CN105979766A - Granular Body Feeding Device And Granular Body Spraying Device - Google Patents

Abstract

A seed feeding device (9) provided in a direct seeding device is provided with a feeding case (21). The feeding case (21) is disposed below a hopper that accommodates seeds, and seeds are supplied to the case. A feeding roll that feeds a prescribed amount of seeds at each time is provided inside the feeding case (21). The feeding case (21) has a driven gear support unit (left side wall (33)) and a drive gear support unit (49). The driven gear support unit (left side wall (33)) supports a driven gear (30) that rotates as a unit with the feeding roll. The drive gear support unit (49) supports a drive gear (31) that meshes with the driven gear (30).

Description

Granule drawing mechanism and granule dissemination apparatus

Technical field

The invention mainly relates in granule drawing mechanism for driving force is delivered to discharging portion The supporting construction of gear.

Background technology

Seed (solids of granule shape) is the most gradually sent and sowed in field Directly sowing apparatus (granule dissemination apparatus) is the most known.Directly sowing apparatus possesses dress Put hopper and the seed drawing mechanism (granule drawing mechanism) of seed.Seed drawing mechanism has Standby be arranged in below this hopper go out magazine.It is provided with in going out magazine, side face is formed out The discharging cylinder in material hole.By driving this discharging cylinder to rotate, the seed in hopper is by marginally It is sent after gradually taking in input and output material hole and is released on the ground in field.

In these direct sowing apparatus and seed drawing mechanism, as the rotation of discharging cylinder The discharging axle of axle is supported on out on magazine.Further, fixed driven gear on this discharging axle. This structure is such as described in patent documentation 1.

In patent documentation 1, it is provided with the driving gear to driven gear input driving force.From The power of electromotor is imported in the rotary shaft (sowing drive shaft) of this driving gear.Base Structure in this patent documentation 1, it is possible to be used for the power drive each discharging cylinder from electromotor.

Described in the embodiment 2 of patent documentation 2 the discharging cylinder of slip roll-type.That is, this Discharging cylinder possesses main body cylinder and chimeric cylinder, and chimeric cylinder is configured to relative main body Roll slides.Further, it is fitted together to the cylinder position relative to main body cylinder by regulation, it is possible to change The width of discharge opening (transport hole), it is thus possible to the load of regulation granule.

In the embodiment 2 of patent documentation 2, it is provided with the position for regulating described chimeric cylinder Regulation rotating disk.Make chimeric roll slides by this regulation rotating disk is carried out rotation process, come The load of regulation granule.

It addition, as the one of above-mentioned granule dissemination apparatus, it is known to it is located at the car of rice transplanter Fertilizer applicator on body.This fertilizer applicator is that the fertilizer of solid particle body shape is spread to ground machine Device.The standby hopper as the container putting fertilizer of fertilizing equipment.This fertilizer applicator is such as remembered It is loaded in patent documentation 3.

Patent document 3 discloses that and a kind of the top fertilizer applicator possessing hopper can be made to rotate upward Structure.Fertilizer applicator disclosed in patent documentation 3 has the first top fertilizer applicator and the second top Fertilizer applicator, and be configured to, it is possible to make about the first top fertilizer applicator and the second top fertilizer applicator Rotate the most upward.Therefore, in patent documentation 3, can be easily by the first top fertilising Fertilizer in machine and the second top fertilizer applicator is discharged, so, easily carry out the fertilising of this first top The attended operations such as the cleaning in machine and the second top fertilizer applicator.

In the structure of patent documentation 3, defeated by clutch from the driving force of electromotor Enter to the first top fertilizer applicator.It addition, patent documentation 3 possess for by power from the first top Fertilizer applicator is delivered to the link mechanism of the second top fertilizer applicator.

It addition, as described in patent documentation 4, transplanting equipment is ready for use on storing and to be inserted into The rice shoot placement platform of the rice shoot in field.In general car type rice transplanter, above-mentioned rice shoot is put Platform is configured in the rear of driver's seat.

The rice shoot put in rice shoot placement platform is time there is not much left, and operator supplements seedling as desired Seedling.In the rice transplanter of general blanket appearance seedling formula, it is supplied to the rice shoot of rice shoot placement platform for being formed Blanket appearance seedling for blanket.When rice shoot placement platform supply blanket appearance seedling, needs are supplied by operator The blanket appearance seedling given is placed in rice shoot withdrawing plate (also referred to as Seedling fishes for plate, seedlings taking board etc.), While noting keeping the shape invariance of this blanket appearance seedling, it is transported to rice shoot placement platform Nearby.Then, operator is by making rice shoot withdrawing plate tilt, and makes in this rice shoot withdrawing plate Blanket appearance seedling is slipped in rice shoot placement platform.Thus, blanket appearance seedling is supplied to rice shoot placement platform.

In the structure of patent documentation 1, the rotary shaft (discharging axle) of driven gear is propped up by going out magazine Support.On the other hand, drive the rotary shaft (sowing drive shaft) of gear by bracket support.And And, go out magazine be fastened by bolts and be installed in be arranged on this bracket by square tube material structure On the first supporting member become.

In the structure of such patent documentation 1, it is subject to out magazine peace on the first supporting member Dress precision, go out the shadow of the assembly precision etc. of the formed precision of magazine, bracket and the first supporting member Ringing, (sowing drives for the rotary shaft (discharging axle) of driven gear and the rotary shaft driving gear Axle) between interval (interval, axle center) can be uneven.Its result, driven gear and driving tooth Engagement between wheel is deteriorated sometimes.

[patent documentation 1]: Japanese Unexamined Patent Publication 2013-132235 publication

[patent documentation 2]: Japanese Unexamined Patent Publication 2007-37495 publication

[patent documentation 3]: Japanese Unexamined Patent Publication 2010-130932 publication

[patent documentation 4]: No. 4764239 publications of Japanese Patent No.

Summary of the invention

To this, present invention is primarily targeted at, to granule drawing mechanism, it is provided that a kind of tool There is the driven gear that can suppress to drive discharging cylinder and drive interval, the axle center inequality between gear Even, improve this driven gear granule drawing mechanism of structure with the accuracy of mesh driving gear.

But, patent documentation 1 has been recorded a kind of four seed discharging machines possessing and being arranged side-by-side The seeding apparatus of structure.Each seed discharging mechanism has seed discharging cylinder.That is, patent documentation The seeding apparatus of 1 possesses four seed discharging cylinders.

For example, it is possible to the seeding apparatus of patent documentation 1 is used the cunning described in patent documentation 2 The discharging cylinder of action roller formula.But, owing to the seeding apparatus of patent documentation 1 possesses four dischargings Cylinder, it is therefore desirable to individually carry out the regulation of load to these four discharging cylinders.Cause , there is this problem of operation cost time of adjusting discharge capacity in this.

To this, it may be considered that the structure of the load of multiple discharging cylinder can be regulated together.Example As, replace the regulation rotating disk of patent documentation 2, and be provided as the regulation gear that spur gear is constituted, The operation gear engaged with this regulation gear is set simultaneously.Further, by multiple operation gears along axle To arrangement, link with connection shaft.So, by connection shaft is carried out rotation process, just can make Multiple operation gears rotate together, thus, it is possible to carry out the regulation of multiple discharging cylinder together. Thus, the trouble that multiple discharging cylinders are individually carried out load regulation can be saved.

But, in said structure, only need when adjusting discharge capacity to regulate gear and operation gear Engagement, in the case of remaining, it is not necessary to regulation gear engages with operation gear.And, from preventing From the viewpoint of regulating gear and the abrasion of operation gear or breakage, at the tune not carrying out load During joint, preferably, engaging between regulation gear with operation gear is released.

A kind of load can be carried out simply to this end, it is an object of the invention to provide Regulation, can prevent from again producing abrasion and the structure of breakage because of regulation.

It addition, in fertilizer applicator disclosed in patent documentation 3, make on the first top fertilizer applicator or second When portion's fertilizer applicator rotates, the described link linking mechanism be released.It addition, patent documentation 3 Structure in, in order to make the first top fertilizer applicator rotate, except releasing coupling member, in addition it is also necessary to Release the operation of the link of clutch.

To this end, the operation in the structure of patent documentation 3, needed for making the first top fertilizer applicator rotate Become complicated, await enabling this first top fertilizer applicator easily to rotate.It addition, make When one top fertilizer applicator rotates, in the case of forgetting to cut off clutch, linking mechanism, should be from Clutch or link mechanism likely can be damaged.

Further, in the structure of patent documentation 3, due to needs clutch and link mechanism, institute With, the structure of fertilizer applicator becomes complicated and causes cost to raise.

It addition, in patent documentation 3, possess and apply fertilizer to by the first top fertilizer applicator and the second top The fertilising transport portion that the fertilizer that machine is sent guides.Fertilising transport portion has can connect transporting tube Connecting tube.Connecting tube is the component of the approximation tubular that length direction configures with becoming fore-and-aft direction.

In the fertilising transport portion of this structure, the inside of connecting tube piles up attachment sometimes, from And cause fertilizer to block in this connecting tube.Accordingly, it would be desirable to connecting tube inside is carried out the most clear Sweep etc. and to safeguard.

In this, patent documentation 3 uses, by making the first top fertilizer applicator and Two top fertilizer applicators rotate upward, it is possible to easily carry out this first top fertilizer applicator and second The structure that cleaning in the fertilizer applicator of top etc. are safeguarded, but fertilizer transport portion be configured to can not be upwards Side rotates.Therefore, in the structure of patent documentation 3, await the cleaning etc. made within connecting tube Maintenance can easily be carried out.

To this, it is an object of the invention to provide a kind of supply that can make supply granule The granule dissemination apparatus that portion easily rotates.It addition, other purpose of the present invention is to provide A kind of structure that can easily the inside of the connecting tube possessing transport portion be cleaned.

It addition, as disclosed in patent documentation 4 in rice transplanter, owing to being placed with blanket seedling The rice shoot withdrawing plate of Seedling has constant weight, so this blanket appearance seedling is supplied to rice shoot placement platform Operation be heavy work, bear bigger for operator.

Particularly, the rice transplanter described in patent documentation 4 is configured to, at driver's seat and rice shoot The hopper of fertilizer apparatus is had between placement platform.In the rice transplanter having a structure in which, carry out by Blanket appearance seedling is supplied to fertilizer hopper during the operation of rice shoot placement platform and can be in the way, thus this operation is more Add difficulty.

To this, it is an object of the invention to provide one can easily supply blanket appearance seedling It is given to the rice transplanter of rice shoot placement platform.

The technical problem to be solved is as it has been described above, following, to being used for solving this technology Technical scheme and the effect thereof of problem illustrate.

The first viewpoint based on the present invention, it is provided that there is the granule drawing mechanism of following structure. That is, this granule drawing mechanism possesses the discharging of the lower section being configured in the hopper putting granule Box, described granule is fed into this and goes out magazine.Described go out to be provided with, by described granule in magazine The discharging portion that body is gradually sent by ormal weight.Described go out magazine there is driven gear supporting part and driving Moving gear supporting part.Described driven gear supporting part pair and described discharging portion rotate integratedly from Moving gear is supported.The driving that described driving gear supporting portion pair engages with described driven gear Gear is supported.

Thus, two sides of driven gear and driving gear, this driven tooth are supported by using magazine Interval, the axle center (axle interval each other) of wheel and driving gear is solely dependent upon out the essence of magazine Degree.Thereby, it is possible to the interval, axle center of suppression driven gear and driving gear is uneven, make gear The accuracy of mesh improve.

In above-mentioned granule drawing mechanism, preferably, described driven gear supporting part and described Gear supporting portion is driven to be formed one.

So, by driven gear supporting part and driving gear supporting portion are formed as one, should The position of driven gear supporting part and driving gear supporting portion is solely dependent upon out the molding essence of magazine Degree.Therefore, the interval, axle center of driven gear and driving gear is not affected by assembly precision.By This, it is possible to make the accuracy of mesh of gear improve further.

In above-mentioned granule drawing mechanism, preferably use following structure.That is, this granule Drawing mechanism possess multiple described in go out magazine.Respectively going out magazine and possess driving power transmission shaft, this driving passes It is consistent with described driving gear that moving axis is configured to axis, for driving to the transmission of described driving gear Power.It is separately provided with described driving power transmission shaft to going out magazine described in each.Further, granule Drawing mechanism possesses the linking part that the described driving power transmission shaft going out magazine that will abut against is connected to each other.

So, due to each go out magazine be separately provided driving power transmission shaft, thus it is possible to will Go out magazine and driving power transmission shaft is together as a unit and processes.Further, by with link The driving power transmission shaft of what portion will abut against go out magazine is connected to each other, it is possible to transmit drive force to own Driving power transmission shaft.

In above-mentioned granule drawing mechanism, preferably, respectively go out in magazine, pass described driving Clutch mechanism is had between moving axis and described driving gear.

So, to each go out magazine be separately provided with drive power transmission shaft, add each discharging Box arranges clutch mechanism, just by driving power transmission shaft, clutch mechanism and can go out magazine and closes It is used as a unit to process.

In above-mentioned granule drawing mechanism, preferably use following structure.That is, described discharging Portion has the governor motion of the load that can regulate described granule.Described go out magazine possess regulation Gear and operation gear supporting portion.Described regulation gear is fixed on the tune of described governor motion On nodal axisn.Described operation gear supporting portion is to entering with the operation gear that described regulation gear engages Row supports.

So, by using magazine support operation gear, this operation gear and the axle regulating gear Heart septum is solely dependent upon out the precision of magazine.Thereby, it is possible to suppression regulation gear and operation gear Axle center interval uneven so that this regulation gear and operation gear the accuracy of mesh improve.

In above-mentioned granule drawing mechanism, preferably, by making the rotation of described operation gear Axially close to or leave the direction of described regulation axle and move, it is achieved described regulation gear and described behaviour The switching of the state being meshed as gear and the non-state engaged.

The rotary shaft (regulation axle) of regulation gear is left by the rotary shaft so making operation gear, Division operation gear and engaging of regulating gear can be solved.Thus, in the regulation not carrying out load Time can make operation gear with regulation gear separate, it is thus possible to prevent this operation gear and regulate tooth The abrasion of wheel or breakage.It addition, about solving division operation gear and engaging of regulating gear, it is possible to Itself and the knot engaged of regulation gear is released to be considered as making operation gear to slide axially Structure.In the case, in order to make operation gear can engage again with regulation gear, need at two Corner cut is formed on the end face of the gear teeth of gear.But, even if defining corner cut, because of operation gear And the phase relation between regulation gear, the gear teeth of two gears can occur each other in the axial direction sometimes Conflict, in the case, it is impossible to make this two gear be engaged with each other.Particularly, be provided with multiple In the case of operation gear and regulation gear, it is impossible to the probability of engagement is bigger.It addition, gear Be be formed from a resin in the case of can produce and hang, thus be more difficult to engage.It addition, in order to Form corner cut, need the gear teeth making gear wider, thus the fee of material of not only gear can be brought to increase Add, and the width big such problem of change that device is overall.In this, as mentioned above that Sample, uses the structure that the axle making gear is closer to each other or leaves, it is possible to do not nibble to corner cut Close such that it is able to prevent cost from raising.

In above-mentioned granule drawing mechanism, preferably use following structure.That is, possess along one Individual direction arrangement multiple go out magazine, and, with the plurality of go out magazine be respectively correspondingly provided with Described regulation gear and described operation gear.The rotary shaft of each operation gear is interconnected.

So, by the rotary shaft of multiple operation gears is linked, it is possible to carry out multiple behaviour together Make the rotation process of gear.Thus, it is possible to regulate the load of the discharging portion respectively going out magazine together. Further, since respectively the rotary shaft of operation gear is connected, so, multiple operation gears can one Rise carry out with regulation the engaging of gear with presence or absence of switching.

In above-mentioned granule drawing mechanism, preferably, the rotary shaft of described operation gear is entered The operation gear supporting portion that row supports goes out on magazine described in being fixedly installed on.

So, utilize the operation gear supporting portion being fixedly installed on box body to operation gear Rotary shaft is supported, thus it is possible to realize operation gear with good precision relatively go out magazine Location.Thereby, it is possible to suppress the axle center of this operation gear and regulation gear to be spaced uneven, So that the accuracy of mesh of two gears improves.

In above-mentioned granule drawing mechanism, preferably use following structure.That is, this granule Drawing mechanism possesses the coupling member that can contact with the rotary shaft of described operation gear.Described Connection member rotates around join operation axle, makes the axial rotary of described operation gear be toward or away from institute The direction stating regulation axle is moved.

Thus, by join operation axle is carried out rotation process, it is possible to make operation gear with tune Move between position and the position releasing engagement of joint gear engagement.

In above-mentioned granule drawing mechanism, preferably, to described regulation axle close to time described in The moving direction of the rotary shaft of operation gear is towards the position deviateing described regulation Zhou Zhou center.

Thus, operation gear from tilted direction close to regulation gear, thus, the gear teeth each other will not be from Frontal collisions.Therefore, it is possible to while making the gear teeth engage the most definitely, moreover it is possible to prevent the gear teeth Collide with each other and damaged.

The second viewpoint based on the present invention, it is provided that there is the granule dissemination apparatus of following structure. That is, this granule dissemination apparatus possesses, described granule drawing mechanism, described hopper, driving Output gear and transport portion.Described driving output gear is carried out the drive force in self-driven source And rotate.The described granule sent by described granule drawing mechanism is transported by described transport portion To ground.The supply unit supplying described granule includes described hopper and described granule discharging dress Put.Described supply unit possesses described discharging portion and drives input gear.For driving described discharging The driving force in portion is imported into described driving input gear.Described supply unit is configured to, it is possible to Can to described transport portion supply described granule job position with leave opening of described transport portion Put and move between position.Described supply unit when described job position, described driving output gear It is meshed with described driving input gear.By making described supply unit from described job position to institute Stating release position to move, described driving input gear leaves described driving output gear.

So, achieve the driving from driving source to discharging portion by the engagement of gear and transmit, with Time, when supply unit moves to release position, gear is away from each other.Thus, supply unit is moved During to release position, it is not necessary to by clutch operating etc. release this supply unit and driving source it Between link.Further, since not this clutch, thus do not worry can because of forget cut-out from Clutch and there is breakage.

In above-mentioned granule dissemination apparatus, preferably use following structure.That is, this granule Dissemination apparatus possesses multiple described supply unit.The described driving input gear that each supply unit is possessed Can be meshed with described driving output gear.

So, owing to multiple supply units being respectively provided with from driving output gear to accept driving The driving input gear of power, thus it is possible to drive output gear to transmit to each supply unit from one Driving force.Therefore, there is no need to the link mechanism for transmitting driving force between multiple supply units. It addition, also without the operation of this link mechanism of releasing, thus do not worry that meeting is because forgetting releasing This link mechanism and produce breakage.

Accompanying drawing explanation

Fig. 1 is the overall knot spreading Operation Van involved by the first embodiment representing the present invention The side view of structure.

Fig. 2 is the front view of direct sowing apparatus.

Fig. 3 is the axonometric chart magazine.

Fig. 4 is hopper and the side view going out magazine.

Fig. 5 is hopper and the side cross-sectional views going out magazine.

Fig. 6 is the back side sectional view magazine.

Fig. 7 is the back side sectional view of discharging cylinder.

Fig. 8 is the axonometric chart of discharging cylinder.

Fig. 9 is the assembling stereogram of clutch mechanism.

Figure 10 is to represent operation gear and the side view regulating the situation that gear is meshed.

Figure 11 is the side-looking engaging the situation after being released from representing operation gear with regulation gear Figure.

Figure 12 is the side view of the moving direction in the main rotary shaft portion representing operation gear.

Figure 13 is the axonometric chart going out magazine involved by the variation of the first embodiment.

Figure 14 is the overall structure representing the rice transplanter involved by second embodiment of the present invention Side view.

Figure 15 is the rearview of fertilizer applicator.

Figure 16 is the top view of fertilizer applicator.

Figure 17 is the rearview representing the situation after making supply unit rotate.

Figure 18 is the side view of fertilizer applicator.

Figure 19 is the side cross-sectional views of fertilizer applicator.

Figure 20 is the side view representing and making situation that discharging portion leaves transport portion.

Figure 21 is the side cross-sectional views representing and making situation that discharging portion leaves transport portion.

Figure 22 is the side cross-sectional views of the variation representing the second embodiment.

Figure 23 is the overall structure representing the rice transplanter involved by third embodiment of the present invention Side view.

Figure 24 is the top view of rice transplanter.

Figure 25 is the side view of fertilizer hopper.

Figure 26 is the rearview of fertilizer hopper.

Figure 27 is the side cross-sectional views of the situation representing that the cap of fertilizer hopper opens.

Figure 28 is the side cross-sectional views representing and making the postrotational situation in rain cover portion.

Figure 29 is the side view representing the situation having put rice shoot withdrawing plate on fertilizer hopper.

Figure 30 is the side view representing the situation making rice shoot withdrawing plate rotate.

Figure 31 is the side view of the fertilizer hopper involved by variation representing the 3rd embodiment.

Figure 32 is the rearview of the fertilizer hopper of variation.

Figure 33 is the situation representing and having put rice shoot withdrawing plate on the fertilizer hopper of variation Side view.

Figure 34 is the side view representing the situation making rice shoot withdrawing plate rotate in variation.

Figure 35 is the side view of the fertilizer hopper representing the 4th embodiment.

Figure 36 is to represent to have put rice shoot withdrawing plate on the fertilizer hopper of the 4th embodiment The side view of situation.

Figure 37 represents in the 4th embodiment makes rice shoot withdrawing plate rotate together with lid component The side view of situation.

Figure 38 is the side view of the fertilizer hopper involved by variation representing the 4th embodiment.

Figure 39 is the side view of the rice transplanter involved by the 5th embodiment of the present invention.

Figure 40 is the side view representing the situation making rear portion preparation rice shoot platform takeoff.

Figure 41 is to represent to make rice shoot withdrawing plate prepare rice shoot platform one with rear portion in the 5th embodiment Act the figure of the situation rotated.

Figure 42 is the axonometric chart of the seedling box of the rice shoot taking-up component being denoted as variation.

Description of reference numerals

1 spreads Operation Van's (work car)

1x rice transplanter (work car)

2 car bodies

3 direct sowing apparatus

8 direct sowing apparatus (granule dissemination apparatus)

8x fertilizer applicator (granule dissemination apparatus)

9 seed drawing mechanisms (granule drawing mechanism)

9x fertilizer drawing mechanism (granule drawing mechanism)

20 hoppers

21 go out magazine

28 discharging cylinders (discharging portion)

30 driven gears

31 drive gear

32 drive power transmission shaft

33 left side walls (driven gear supporting part)

49 drive gear supporting portion

Detailed description of the invention

Below, referring to the drawings embodiments of the present invention are illustrated.Fig. 1 is the present invention The side view of the agricultural distribution Operation Van 1 involved by the first embodiment.

Spread Operation Van 1 and directly sowed dress by car body 2 and the rear being arranged in this car body 2 Put (granule dissemination apparatus) 8 to constitute.

Car body 2 possesses the paired front-wheel in left and right 4 and trailing wheel 5 and as this front-wheel 4 and trailing wheel 5 Drive source electromotor 10.It addition, before and after car body 2 front-wheel 4 on direction and trailing wheel On position between 5, it is provided with the driver's seat 6 taken for operator.In the front of driver's seat 6, It is configured with the steering wheel 7 that for operator, car body 2 is carried out steering operation.

At the rear of car body 2, it is configured with described direct sowing apparatus 8.Directly sowing apparatus 8 By being installed on car body 2 as the lifting coupling mechanism 12 linking mechanism.Lifting couples Mechanism 12 is configured to the parallel coupling mechanism making direct sowing apparatus 8 lift.Thus, energy Enough regulate the upper-lower position of direct sowing apparatus 8.It addition, at the rear portion of car body 2, be configured with For the driving force of electromotor 10 is exported to the power output shaft 13 of direct sowing apparatus 8.

It addition, the car body 2 of present embodiment uses and electromotor 10 is arranged in front-wheel 4 and trailing wheel So-called middle layout between the axletree of 5.It addition, electromotor 10 be nearby configured with omission The fuel tank of diagram.But, the configuration of electromotor 10 and fuel tank is not limited to this.Such as, Electromotor 10 can be only fitted in the bonnet of Vehicular body front, it is also possible to is arranged in rear vehicle. Fuel tank too, in can be only fitted to the bonnet of Vehicular body front or any position such as rear vehicle Put.

Directly sowing apparatus 8 is configured to, and is the most gradually spread by seed (rice paddy seed) On ground.Spread Operation Van 1 by drive direct sowing apparatus 8 while travelling, energy Enough the most at regular intervals seed is broadcast on the ground.

It addition, the car body 2 of present embodiment is configured to agricultural many purposes Operation Van, Ke Yiqu For direct sowing apparatus 8, the working machine of other kind is installed.That is, for the lifting of car body 2 Coupling mechanism 12, the direct sowing apparatus 8 of present embodiment can freely load and unload.Further, rising On fall coupling mechanism 12, it is possible to the agricultural working machine beyond direct sowing apparatus 8 is installed (such as, Plantation portion 3 rice transplanting equipment such as grade shown in second embodiment described later, weeder etc.).

Directly sowing apparatus 8 possesses, bracket 29, seed drawing mechanism (granule drawing mechanism) 9 and hopper 20.Seed drawing mechanism 9 possesses magazine 21.

Bracket 29 is connected on aforementioned lifting coupling mechanism 12.Bracket 29 e.g. square tube type structure Part, as shown in dashed line in figure 2 like that along the left and right directions configuration of car body 2.Go out magazine 21 Arrange in left-right direction and be equally spaced arranged on bracket 29.It addition, about going out magazine 21 Installation on bracket 29, can be in the way of using bolt fastening etc. suitable.

What seed drawing mechanism 9 was possessed go out magazine 21 is configured to, by seed the most gradually Send and be discharged on ground.Wherein, the detailed construction going out magazine 21 will be described later.This enforcement The direct sowing apparatus 8 of mode is as in figure 2 it is shown, possess six seeds arranged in left-right direction Drawing mechanism 9 (going out magazine 21), to realize spreading six row seeds simultaneously.

Hopper 20 is the container for placing the seed (granule) being multicast in field.Hopper The opened upper end of 20, can put into seed inside it from its top opened wide.It addition, material Bucket 20 possesses the cap 22 for covering its top opened wide.Hopper 20 is fixed on out magazine On 21.

The bottom of hopper 20 becomes channel part 23, and this channel part 23 is formed under it The funnel-form that end is the narrowest.Due to the lower open of channel part 23, thus it is possible to make hopper Seed in 20 flows to the seed drawing mechanism 9 below hopper 20 via channel part 23.Separately Outward, the hopper 20 of present embodiment is configured to put the seed broadcast needed for two row.Therefore, As in figure 2 it is shown, the bottom of each hopper 20 is divided into Liang Ge branch, a hopper 20 is formed There are two channel parts 23.Further, in the bottom of each channel part 23 fixed go out magazine 21. As in figure 2 it is shown, the direct sowing apparatus 8 of present embodiment possesses arrange in left-right direction six Individual go out magazine 21, corresponding, three hoppers 20 arrange in left-right direction.

It follows that the structure going out magazine 21 is described in detail.

It is resinous for going out magazine 21, is configured to approximate box like.As it is shown on figure 3, go out magazine The opened upper end of 21 and become peristome 21A.Go out peristome 21A and the hopper 20 of magazine 21 Channel part 23 connect.Thus, as it is shown in figure 5, the seed in hopper 20 is via peristome 21A and be fed into out in magazine 21.

As it is shown in figure 5, going out magazine 21 inside and the lower section for peristome 21A, it is provided with Discharging cylinder (discharging portion) 28.As shown in Figure 8, discharging cylinder 28 is configured to generally a cylindrical The component of shape.As shown in Figure 6, discharging cylinder 28 is configured to, its axis 28C and car body 2 Left and right directions parallel.It addition, discharging cylinder 28 is configured to, it is possible to around this axis 28C Rotate.As shown in Fig. 5 to Fig. 8, the side face at discharging cylinder 28 is formed with discharge opening 28A. That is, the circumferential direction at discharging cylinder 28 is equally spaced formed with multiple discharge opening 28A.

As shown in Figure 6, the outside going out magazine 21 is provided with driven gear 30.Driven gear 30 are configured to, and its axis is consistent with the axis 28C of discharging cylinder 28.Driven gear 30 With discharging cylinder 28 can not link in the way of rotating against.Thus, driven gear 30 with go out Feed roller 28 rotates integratedly.It addition, as shown in Figures 3 and 4, going out outside magazine 21 Side, is provided with the driving gear 31 being meshed and rotate with driven gear 30.

It addition, drive power transmission shaft 32 and car body left and right directions to be arranged in out abreast on magazine 21. This driving power transmission shaft 32 is configured to, and its axis is consistent with the axis driving gear 31.Drive Dynamic power transmission shaft 32 can pass through the clutch mechanism 50 shown in Fig. 2 (in detail with driving gear 31 Structure will be described later) and couple.Therefore, connect under the state having clutch mechanism 50, drive Power is imported on driving power transmission shaft 32, thus drives gear 31 to be driven and rotate about the axis.

Directly sowing apparatus 8 possesses driving output unit (omitting diagram), and this driving output unit will be from The rotary driving force of the electromotor 10 of described power output shaft 13 output is converted into intermittent rotary fortune Move and export.The intermittent rotary motion driving output unit to be exported is imported into driving input gear On 70, thus it is passed on described driving power transmission shaft 32, makes driving gear 31 rotate.Logical Cross and so make driving gear 31 rotate, the driven gear 30 being meshed with this driving gear 31 Rotate, so that the discharging cylinder 28 gone out in magazine 21 rotates.

Based on above structure, it is possible to drive and respectively go out the discharging cylinder 28 in magazine 21 to a side To by fixing speed intermittent rotary.Wherein, the driving force driving output unit to be exported is delivered to The structure driving gear 31 will be described later.

Respectively go out in magazine 21, hopper 20 seed that supplies is as it is shown in figure 5, (every by ormal weight Number of times grain ground) gradually it is taken into the inside of discharge opening 28A.Here, taken by discharge opening 28A The amount of the seed entered is also referred to as " load ".Shape in seed is taken into discharge opening 28A Drive discharging cylinder 28 to rotate to a direction under state, just can will be taken into described discharge opening Seed in 28A is transported to lower section.Discharge opening 28A downward time, by discharge opening 28A The seed being taken into is discharged downwards by this discharge opening 28A.

Go out in magazine 21, the opened downward of discharging cylinder 28.Therefore, put from discharge opening 28A The seed gone out is fallen out in magazine 21 as shown in the block arrow of Fig. 5.Go out magazine 21 times Portion is sowing guiding 37.Sowing guides 37 and is configured to approximate tubular, and seed can be therein Pass through up and down.It is the liberation port 38 opened wide down that sowing guides the bottom of 37.Liberation port 38 are configured to close to ground.Therefore, the seed sent by discharging cylinder 28 is fallen sowing and is led In 37, fall to the ground via liberation port 38.

Magazine 21 is gone out, it is possible to by the seed in hopper 20 by regulation based on constitute like that above Load gradually send and spread on ground.It addition, as described above, dress is directly sowed Put 8 to be configured to, it is possible to drive six to go out magazine 21 respective discharging cylinder 28 and rotate together. Therefore, the direct sowing apparatus 8 of present embodiment can spread six row seeds simultaneously.

It follows that the characteristic structural of the direct sowing apparatus 8 of present embodiment is illustrated.

As described above, going out in magazine 21 of present embodiment is provided with, driven gear 30 and The driving gear 31 being meshed with this driven gear 30 and rotate.

Driven gear 30 is by the sidewall (being left side wall 33 in present embodiment) going out magazine 21 Support.

Hereinafter, the supporting construction of driven gear 30 is carried out more specific description.Such as Fig. 6 and figure Shown in 7, driven gear 30 is fixedly installed, is formed axis and this driven gear 30 The consistent cylindric cylindrical portion 45 of rotary shaft.It addition, in present embodiment, cylindrical portion 45 It is configured to one with driven gear 30.

As it is shown in fig. 7, be formed on the left side wall 33 go out magazine 21, it is possible to allow described circle The insertion hole 46 that post portion 45 inserts.Insert hole 46 and be configured to circular hole, its diameter and described circle The external diameter in post portion 45 is roughly the same.It addition, be inserted in described insertion hole 46 in described cylindrical portion 45 In state under, this cylindrical portion 45 can rotate about the axis.

In above structure, by the insertion hole 46 formed on the left side wall 33 go out magazine 21 The cylindrical portion 45 that middle insertion and driven gear 30 form as one, this driven gear 30 is rotatable Ground is support by the left side wall 33 going out magazine 21.Alternatively, it is also possible in the inner circumferential inserting hole 46 Bearing (such as sliding bearing) is set between the outer peripheral face of face and cylindrical portion 45.

So, owing to driven gear 30 is pivotably supported by the left side wall 33 going out magazine 21, So, it is also possible to this left side wall 33 is referred to as " driven gear supporting part ".

As it is shown on figure 3, going out to be fixedly installed on magazine 21 driving gear supporting portion 49.Drive Moving gear supporting part 49 is the position of the raised line shape highlighted forward from the front going out magazine 21. It addition, in present embodiment, (driven gear props up with left side wall 33 to drive gear supporting portion 49 Support part) it is integrally constituted.Gear 31 is driven to be driven gear supporting portion 49 to support.

Hereinafter, the supporting construction driving gear 31 is specifically described.As it is shown in figure 9, drive It is fixedly installed on moving gear 31, is formed the rotary shaft one of axis and this driving gear 31 The cylindric cylindrical portion 47 caused.It addition, in present embodiment, cylindrical portion 47 and driving tooth Wheel 31 forms as one.

Drive and be formed on gear supporting portion 49, it is possible to allow described cylindrical portion 47 in left-right direction The insertion hole (omitting diagram) inserted.This insertion hole is configured to circular hole, its diameter and described circle The external diameter in cylinder portion 47 is roughly the same.It addition, insert in the hole described in described cylindrical portion 47 State under, this cylindrical portion 47 can rotate about the axis.

In above structure, by driving the insertion that inserts in the hole formed on gear supporting portion 49 With the cylindrical portion 45 driving gear 31 to form as one, this driving gear 31 is rotatably driven Moving gear supporting part 49 supports.It addition, driving the described of formation on gear supporting portion 49 to insert Between inner peripheral surface and the outer peripheral face of cylindrical portion 45 of hand-hole, bearing (such as sliding axle can also be set Hold).

Further, drive gear 31 by drive gear supporting portion 49 support, driven gear 30 Under the state supported by the left side wall 33 (driven gear supporting part) going out magazine 21, this driving Gear 31 is meshed (state of Fig. 3 and Fig. 4) with driven gear 30.

But, as described above, drive gear supporting portion 49 to be arranged on out on magazine 21. Accordingly it is also possible to say that driving gear 31 is gone out magazine 21 and supports.Further, since driven gear 30 are supported by the left side wall 33 going out magazine 21, so, it may also be said to this driven gear 30 quilt Go out magazine 21 to support.

So, the direct sowing apparatus 8 of present embodiment is, drives gear 31 and driven gear Gone out magazine 21 both 30 to support.Therefore, gear 30,31 engagement each other is stable.

Such as in patent documentation 1, driven gear is supported by going out magazine, drives gear by bracket Support.Therefore, affected by going out the installation accuracy of magazine opposing brackets, driven gear with drive When the interval (interval, axle center) of moving gear is uneven, may result in driven gear and drive tooth The bad situation that engages between wheel occurs.

To this, in present embodiment, owing to driving gear 31 and driven gear 30 both Gone out magazine 21 to support, so, the interval, axle center of gear 30,31 is solely dependent upon out magazine 21 Precision.Uneven it is suppressed to Min. such that it is able to anti-thereby, it is possible to be spaced in axle center The situation that only gear 30,31 engagement each other is bad occurs.

Particularly, in present embodiment, driven gear supporting part (goes out the left side wall of magazine 21) Form as one with driving gear supporting portion 49.Therefore, the interval, axle center of gear 30,31 is only Depend on the formed precision of magazine 21, and do not affected by assembly precision.Therefore, it is possible to make Drive gear 31 more stable with engaging between driven gear 30.

It follows that the driving power transmission shaft 32 of present embodiment is illustrated.

In the direct sowing apparatus 8 of present embodiment, to each go out magazine 21 be separately provided with driving Dynamic power transmission shaft 32.It addition, the direct sowing apparatus 8 of present embodiment possesses six goes out magazine 21, Therefore, possess the six roots of sensation and drive power transmission shaft 32.

Directly sowing apparatus 8 possesses the linking part that the driving power transmission shaft 32 that will abut against is connected to each other. The linking part of present embodiment is made up of connection shaft 68 and coupling member 69.

As it is shown on figure 3, the end of the end of driving power transmission shaft 32 and connection shaft 68 is by linking structure Part 69 links.Driving power transmission shaft 32 and the end of connection shaft 68, be suitably formed respectively Otch (so-called D-shaped otch) 71 etc..Described coupling member 69 is configured to and described otch 71 are fitted together to.Thus, by coupling member 69, drive power transmission shaft 32 and the connection shaft 68 can be by Connect to rotate against.

As in figure 2 it is shown, go out magazine 21 to be each configured with connection shaft 68 each other.This enforcement In the direct sowing apparatus 8 of mode, based on above structure, the adjacent driving going out magazine 21 passes Moving axis 32 links each other by linking part (connection shaft 68 and coupling member 69).It addition, The direct sowing apparatus 8 of present embodiment possesses six and goes out magazine 21, so, altogether possess five Root connection shaft 68.As it is shown on figure 3, connection shaft 68 is attached at is driven by coupling member 69 The end of dynamic power transmission shaft 32.Based on above structure, the six roots of sensation that direct sowing apparatus 8 is possessed is driven Dynamic power transmission shaft 32 is interconnected by connection shaft 68 (and coupling member 69).

On in five connection shafts 68 that direct sowing apparatus 8 is possessed any one fixed Drive input gear 70.As in figure 2 it is shown, in present embodiment, in five connection shafts 68 Fixed driving input gear 70 on middle connection shaft 68.

The driving force that aforesaid driving output unit is exported is imported into driving input gear 70.By It is imported into driving input gear 70 in described driving force, so, drive input gear 70 quilt Drive and rotate.So, by making driving input gear 70 rotate, it is possible to drive and directly sow The six roots of sensation that device 8 is possessed drives power transmission shaft 32 to rotate.

Based on above structure, it is possible to drive six to go out the driving biography that magazine 21 is each had together Moving axis 32 rotates.

Carry out it follows that present embodiment to be gone out the clutch mechanism 50 that magazine 21 possessed Explanation.Clutch mechanism 50 is for driving power transmission shaft 32 and driving the disconnection between gear 31 / connection switches over.

As it is shown on figure 3, clutch mechanism 50 possesses clutch member 53.As it is shown in figure 9, The axial middle part driving power transmission shaft 32 is that cross section is hexagonal hexagonal axis portion 52. Described clutch member 53 is installed in hexagonal axis portion 52 can not hexagonal axis portion 52 relatively Rotate.It addition, this clutch member 53 can be along parallel with the axis driving power transmission shaft 32 Slide in direction (direction shown in the block arrow of Fig. 9).

It is circular pole shape that two ends driving power transmission shaft 32 are formed cross section.Such as Fig. 3 And shown in Fig. 9, be provided with in the end (part of pole shape) of the side driving power transmission shaft 32 Described driving gear 31.Gear 31 is driven to be configured to relatively drive power transmission shaft 32 around axle Line rotates.

As it is shown in figure 9, form the prominent clutch of oriented driving gear 31 on clutch member 53 Holding section, device side 54.It addition, as it is shown in figure 9, the circle formed as one with driving gear 31 In cylinder portion 47, it is formed and described clutch side card in the one side of clutch member 53 side The gear side holding section 55 of conjunction portion 54 engaging.

Owing to holding section, clutch side 54 engages with gear side holding section 55, drive gear 31 It is joined into can not rotate against with clutch member 53.As described above, due to clutch structure Part 53 can not rotate relative to driving power transmission shaft 32, so, by holding section, clutch side 54 Engage with gear side holding section 55, driving power transmission shaft 32 can be made to be joined into driving gear 31 Can not rotate against.Therefore, it is possible to by driving force from driving power transmission shaft 32 to be delivered to drive gear 31。

As described above, clutch member 53 can be sliding along the axis direction driving power transmission shaft 32 Dynamic.By making clutch member 53 slide to leaving the direction driving gear 31, it is possible to release Holding section, clutch side 54 and the engaging between gear side holding section 55.Drive thereby, it is possible to release Moving gear 31 and the link driving power transmission shaft 32.Thus, driving force just cannot be from driving transmission Axle 32 is delivered to drive gear 31.

In the clutch mechanism 50 constituted as described above, by making clutch member 53 sliding Dynamic, it is possible to realize driving gear 31 and the state driving power transmission shaft 32 to link and driving gear 31 and drive power transmission shaft 32 the state that is released from of link between switching.As described above, by Can be driven in driving power transmission shaft 32 and be rotated, so, by this driving power transmission shaft 32 Link and drive gear 31, it is possible to drive this driving gear 31 to rotate.As long as this can be driven to drive Moving gear 31 rotates, then the driven gear 30 (Fig. 4) engaged also is driven and rotates, Thus, it is possible to drive the discharging cylinder 28 being linked to rotate relative to this driven gear 30 (Fig. 6) rotate.Thereby, it is possible to drive out the discharging cylinder 28 in magazine 21 to rotate.

In present embodiment, as described above, by with linking part (connection shaft 68 and link structure Part 69) power transmission shaft 32 will be driven connected to each other, it is possible to drive together respectively to go out magazine 21 and had Driving power transmission shaft 32 rotate.Therefore, respectively go out in the clutch mechanism 50 of magazine 21, pass through Make driving gear 31 and link with driving power transmission shaft 32, it is possible to drive together and respectively go out going out of magazine 21 Feed roller 28.Accordingly, it is capable to possessed six of enough direct sowing apparatus 8 go out magazine 21 1 Act the distribution carrying out seed.

On the other hand, release driving gear 31 by making clutch member 53 slide and drive The link of power transmission shaft 32, it is possible to make the rotation of this driving gear 31 stop.Thereby, it is possible to make The rotation going out the discharging cylinder 28 in magazine 21 stops.The direct sowing apparatus of present embodiment In 8, owing to above-mentioned clutch mechanism 50 is arranged on respectively to go out on magazine 21, thus it is possible to right Each go out magazine 21 carry out switching with presence or absence of the driving of discharging cylinder 28.Therefore, it is possible to it is the most right A part goes out magazine 21 and stops the driving of discharging cylinder 28, to stop the distribution of seed.

It addition, on the bracket 29 that direct sowing apparatus 8 is possessed, be provided with and make described clutch Device component 53 is along the control member (omitting diagram) driving the axis direction of power transmission shaft 32 to move. This control member is arranged corresponding to respectively going out magazine 21.This control member can be by riding on driver's seat Operator arbitrarily operate.Therefore, operator can to each go out magazine 21 do not carry out discharging Switch with presence or absence of the driving of cylinder 28.

It follows that the supporting construction driving power transmission shaft 32 in present embodiment is illustrated. As it is shown on figure 3, be provided with drive in the end (end in left side) of the side driving power transmission shaft 32 Moving gear 31.As described above, drive gear 31 to be gone out magazine 21 to support.Therefore, it can Say that the end in the left side driving power transmission shaft 32 is by driving gear 31 to be gone out magazine 21 and support.

As it is shown on figure 3, be provided integrally with on magazine 21 going out, for driving power transmission shaft The power transmission shaft supporting part 48 that the end (end on right side) of the opposite side of 32 is supported.Transmission Shaft supporting part 48 supports the end on the right side driving power transmission shaft 32 by bearing.As mentioned above Like that, drive the two ends of power transmission shaft 32 to be gone out magazine 21 to support.

As described above, clutch member 53 is installed on driving power transmission shaft 32.Therefore, It may be said that clutch member 53 is by driving power transmission shaft 32 to be gone out magazine 21 and support.So, The clutch mechanism 50 of present embodiment is gone out magazine 21 and is supported.

As described above, in present embodiment, to each go out magazine 21 be separately provided driving Power transmission shaft 32, clutch mechanism 50 and drive gear 31, and use magazine 21 and support these Component supports.Thereby, it is possible to power transmission shaft 32, clutch mechanism 50 will be driven, will drive gear 31 and go out magazine 21 and add up to and process as a unit.Therefore, this embodiment party is assembled During the direct sowing apparatus 8 of formula, as long as power transmission shaft 32, clutch mechanism 50 will be driven in advance And drive gear 31 etc. to be assembled into out on magazine 21, thereafter, this is gone out magazine 21 and is arranged on torr On frame 29.Thereby, it is possible to make the assembling of direct sowing apparatus 8 become simple.

It follows that in the direct sowing apparatus 8 of present embodiment, utilize discharging cylinder 28 The structure being adjusted the load (dispersion volume of seed) of seed illustrates.

The discharging cylinder 28 of present embodiment is configured to, it is possible to the appearance of regulation discharge opening 28A The slip roll-type discharge roller cylinder of amount.I.e., as shown in Figure 6 to 8, discharging cylinder 28 is to pass through Main body cylinder 57 is combined with chimeric cylinder 58 and constitutes.Chimeric cylinder 58 relative main body rolling Cylinder 57, it is possible to slide along the direction being parallel to axis 28C.

As shown in Figure 8, main body cylinder 57 and chimeric cylinder 58 are configured to approximate cylinder respectively Shape.The side face of main body cylinder 57 is formed aforesaid discharge opening 28A.Discharge opening 28A It is configured to, the groove portion formed along the direction parallel with axis 28C.At chimeric cylinder 58 On be formed, be configured to the protuberance 60 prominent to the direction being parallel to axis 28C.With master The described discharge opening 28A of body cylinder 57 is formed with this protuberance 60 multiple accordingly.It addition, As shown in Figure 8, the protuberance 60 of chimeric cylinder 58 is configured to, it is possible to along being parallel to axis The direction of 28C is inserted inside the discharge opening 28A of main body cylinder 57.In discharge opening 28A, insert The part entering to have protuberance 60 is blocked by this protuberance 60.Therefore, by change protuberance 60 Insertion to discharge opening 28A, it is possible to change the capacity of this discharge opening 28A.

In above structure, by making the chimeric relative main body cylinder 57 of cylinder 58 to being parallel to axle The direction of line 28C is moved, it is possible to the capacity of change discharge opening 28A.Thereby, it is possible to regulation is used The amount (load) of the seed that discharge opening 28A sends.

As it is shown in fig. 7, going out on the discharging cylinder 28 that magazine 21 is possessed, be provided with for The feed screw mechanism of the position of chimeric cylinder 58 it is adjusted up in the side being parallel to axis 28C (governor motion) 40.

Feed screw mechanism 40 has, and is configured to consistent with the axis 28C of discharging cylinder 28 Screw shaft (regulation axle) 41.That is, screw shaft 41 is configured to parallel with car body left and right directions. It is formed with external screw thread on the periphery of screw shaft 41.On the other hand, chimeric cylinder 58 is formed The female thread being screwed with described external screw thread.In this structure, by making screw shaft 41 rotate, and Make chimeric cylinder 58 move along the direction being parallel to axis 28C, just can change discharge opening 28A Capacity.

As it is shown in fig. 7, in the outside going out magazine 21, be provided with for making described screw thread feeding machine The regulation gear 61 of structure 40 action.This regulation gear 61 is configured to spur gear, is configured to Axis is consistent with described screw shaft 41, and is fixed on this screw shaft 41.It addition, such as figure Shown in 3 and Figure 10, in the outside going out magazine 21, it is provided with and can be meshed with regulation gear 61 Operation gear 62.This operation gear 62 is configured to spur gear, and its axis is along being parallel to Direction (left and right directions) configuration of described screw shaft 41.

When making operation gear 62 engage with regulation gear 61, by this operation tooth Wheel 62 carries out rotation process, makes screw shaft 41 be rotated by described regulation gear 61, just may be used Made chimeric cylinder 58 along the direction being parallel to axis 28C by described feed screw mechanism 40 Mobile.Thus, just can change the capacity of discharge opening 28A, regulate this discharge opening 28A and send kind The amount (load) of son.

As it is shown in fig. 7, be provided with flange part 42 in the end of screw shaft 41.At this flange part 42 And it is provided with arrestment mechanism 43 between main body cylinder 57.This arrestment mechanism 43 is for rolling main body Cylinder 57 connects to rotate against with screw shaft 41.Thereby, it is possible to prevent chimeric cylinder 58 Rotate against with screw shaft 41 and make the position of chimeric cylinder 58 move along axis 28C direction without authorization Dynamic situation occurs.

It addition, arrestment mechanism 43 is configured to, when the torque being applied in more than setting, Allow to rotate against between main body cylinder 57 and screw shaft 41.Therefore, by described regulation tooth The torque of wheel 61 input regulation, it is possible to make screw shaft 41 rotate against with chimeric cylinder 58, from And make feed screw mechanism 40 action.

It follows that the supporting construction of operation gear 62 is illustrated.

That is, aforesaid operations gear 62 can also by other component gone out beyond magazine 21 (such as Bracket 29) support.It is assumed, however, that in the case of supporting operation gear 62 with bracket 29, Owing to going out the impact of the installation accuracy of magazine 21 opposing brackets 29, operation gear 62 and regulation tooth The interval, axle center of wheel 61 can be uneven.Therefore, operation gear 62 and engaging of regulating gear 61 Likely can be bad.

To this, in the direct sowing apparatus 8 of present embodiment, use magazine 21 and support operation tooth Wheel 62.Specifically, as it is shown on figure 3, in the front going out magazine 21, be provided with towards front The operation gear supporting portion 73 that side is prominent in raised line shape.Operation gear supporting portion 73 is configured to, Operation gear 62 is pivotably supported.It addition, the operation gear supporting portion of present embodiment 73 form as one with going out magazine 21.

So, in present embodiment, support operation gear 62 owing to using magazine 21, so, Interval, axle center between this operation gear 62 and regulation gear 61 is solely dependent upon out the essence of magazine 21 Degree.Accordingly, because regulation gear 61 is stable with engaging of operation gear 62, thus it is possible to Stably carry out the regulation of seed load based on discharge opening 28A.

It addition, directly possessed six of sowing apparatus 8 go out and are separately provided on magazine 21 Change discharge opening 28A capacity mechanism (above-mentioned feed screw mechanism 40, regulation gear 61, Operation gear 62, arrestment mechanism 43 etc.).Therefore, the direct sowing apparatus 8 of present embodiment There are six operation gears 62.As in figure 2 it is shown, the adjacent operation gear 62 going out magazine 21 Link each other by the connection shaft 63 configured along car body left and right directions.

Specifically, as described below.That is, as it is shown on figure 3, operating on gear 62, Gu Surely the cylindric rotary shaft portion 65 that axis as one man configures it is provided with this operation gear 62.Separately Outward, in present embodiment, operation gear 62 is formed one with rotary shaft portion 65.Operation Gear 62 and rotary shaft portion 65 are configured to, it is possible to insert described connection shaft 63 at its axle center. Further, rotary shaft portion 65 is fixed to rotate against by the most described connection shaft 63.

In the direct sowing apparatus 8 of present embodiment, only possesses a connection shaft 63.Further, Six operation gears 62 are fixed on this connection shaft 63 respectively.Thus, direct sowing apparatus 8 Possessed six operation gears 62 are joined into axis unanimously and can not by connection shaft 63 Rotate against.Therefore, it is possible to together six operation gears 62 are carried out rotation process.

As in figure 2 it is shown, in the end that six are operated gear 62 connection shaft 63 connected to each other, It is provided with operation handle 64.Operator is by carrying out rotation process, energy to this operation handle 64 Enough rotation process carrying out six operation gears 62 going out magazine 21 together.Based on above structure, Six can be gone out the capacity change that magazine 21 carries out the discharge opening 28A of discharging cylinder 28 together. I.e., it is possible to change the load of six row together.Thereby, it is possible to carry out the change of load simply More.

As described above, between main body cylinder 57 and screw shaft 41, arrestment mechanism 43 it is provided with. Therefore, discharging cylinder 28 links for can not at will rotate against with screw shaft 41.Therefore, with The rotation discharging cylinder 28 drives, screw shaft 41 (and regulation gear 61 fixed thereon) Can be driven and be rotated.Now, if engage operation gear 62 on this regulation gear 61, then Operation gear 62 also can be driven and be rotated.So, regulation gear 61 and operation gear 62 Driven when keeping engagement and rotated, then this operation gear 62 and regulation gear 61 Abrasion likely can deepen, it is possible to become damaged reason.

In fact, only needs when the capacity carrying out discharge opening 28A changes (regulation of load) Operation gear 62 with regulation gear 61 engage, in addition in the case of, operation gear 62 There is no need to engage with regulation gear 61.

Then, in present embodiment, employing can be as desired to operation gear 62 and regulation tooth Being engaged with without the structure that switches over of wheel 61.

Go out on magazine 21 at embodiment, as shown in Fig. 3 and Fig. 5 etc., be fixedly installed from This goes out the operation gear supporting portion 73 highlighted with just face toward front raised line shape of magazine 21.Separately Outward, the operation gear supporting portion 73 of present embodiment forms as one with going out magazine 21.

As shown in Fig. 3 and Fig. 5 etc., operation gear supporting portion 73 is formed with elongated hole 72. This elongated hole 72 is formed, and the axis direction (left and right directions) at operation gear 62 runs through behaviour Make gear supporting portion 73.It addition, the width of this elongated hole 72 and the rotary shaft portion operating gear 62 The diameter of 65 is identical, or more slightly larger than this diameter.Therefore, it is possible to by edge, described rotary shaft portion 65 Its axis direction (left and right directions) inserts in elongated hole 72 (state of Fig. 3).So, pass through The rotary shaft portion 65 making operation gear 62 inserts in elongated hole 72, operates gear supporting portion 73 energy This operation gear 62 is supported.

It addition, rotary shaft portion 65 can be when inserting in elongated hole 72, at this elongated hole 72 Length direction on move.As it is shown in figure 5, at the axis direction (left and right directions) of screw shaft 41 When seeing, the end 72A of the side of the length direction of elongated hole 72 is positioned at the end 72b than opposite side Position closer to screw shaft 41.Therefore, it is inserted under the state in elongated hole 72 by making Rotary shaft portion 65 moves between 72A and 72b of end, it is possible to make this rotary shaft portion 65 along connecing Near or the rotary shaft (screw shaft 41) of leaving regulation gear 61 direction is moved.

With reference to Figure 10 and Figure 11, to operating the rotary shaft portion 65 of gear 62 in elongated hole 72 The situation that portion moves illustrates.It addition, in Figure 10 and Figure 11, in order to make rotary shaft portion 65 Diagram easy to understand, with two chain-dotted lines represent operation gear 62.

As shown in Figures 10 and 11, in the end of the length direction of elongated hole 72, will be close to spiral shell The side of bar axle 41 side is as close to side end 72A.That is, in the inside of elongated hole 72, as long as Make rotary shaft portion 65 move to greatest extent towards screw shaft 41, then this rotary shaft portion 65 with connect Proximal end 72A contact (state of Figure 10).Under this state, as shown in Figure 10, operation Gear 62 engages with regulation gear 61.

As shown in Figures 10 and 11, in the end of the length direction of elongated hole 72, will be with close The end of the side that side end 72A is contrary is as leaving side end 72b.That is, at elongated hole 72 Inside, as long as making rotary shaft portion 65 move to greatest extent away from the direction of screw shaft 41 Dynamic, then this rotary shaft portion 65 contacts (state of Figure 11) with leaving side end 72b.This state Under, as shown in figure 11, operation gear 62 is released from engaging of gear 61 of regulation.

As described above, structure based on present embodiment, it is possible to make operation gear 62 with Regulation gear 61 engagement position (Figure 10) and with regulation gear 61 engage the position being released from Put and move between (Figure 11).Thereby, it is possible to realize between operation gear 62 and regulation gear 61 Engagement with presence or absence of switch.

It addition, in present embodiment, as described above, use the rotation making operation gear 62 The structure that axle portion 65 moves in the inside of elongated hole 72, so, the moving range in rotary shaft portion 65 Limited by the end of the length direction of elongated hole 72.That is, rotary shaft portion 65 cannot from elongated hole The state (state of Figure 10) close to side end 72A contact of 72 is further to screw shaft 41.It addition, rotary shaft portion 65 cannot from elongated hole 72 leave the shape that side end 72b contacts State (state of Figure 11) is further away from screw shaft 41.

So, in present embodiment, owing to can limit the rotation of operation gear 62 with elongated hole 72 The moving range of shaft 65, gets too close to or excessively thus it is possible to prevent operating gear 62 Leave regulation gear 61.

It addition, in present embodiment, as described above, be formed with the operation gear of elongated hole 72 Supporting part 73 forms as one with going out magazine 21.Therefore, the position of elongated hole 72 and the essence of shape Degree is solely dependent upon out the formed precision of magazine 21, is not affected by assembly precision etc..Thus, energy Enough relatively going out magazine 21 configures elongated hole 72 accurately.

Therefore, by making rotary shaft portion 65 contact (scheming close to side end 72A of this elongated hole 72 The state of 10), it is possible to make this relative screw shaft 41 in rotary shaft portion 65 position accurately.By This, it is possible to the rotary shaft (rotary shaft portion 65) of suppression operation gear 62 and regulation gear 61 Distance (interval, axle center) between rotary shaft (screw shaft 41) is uneven.Therefore, based on this reality Execute the structure of mode, it is possible to make operation gear 62 stably engage with regulation gear 61.

It addition, as described above, possessed six of the direct sowing apparatus 8 of present embodiment The rotary shaft portion 65 of operation gear 62 is linked by connection shaft 63.Therefore, this rotary shaft portion is made In the case of 65 move towards the direction being toward or away from screw shaft 41, it is possible to make directly to sow Six operation gears 62 that device 8 is possessed move together.Namely be based on the knot of present embodiment Structure, it is possible to six are gone out magazine 21 and carries out together operating nibbling between gear 62 and regulation gear 61 Switch with presence or absence of conjunction.

But, as changing method with presence or absence of gear engagement to each other, except such as this embodiment party Formula makes like that, beyond the method that the axle of gear moves towards the direction being toward or away from each other, to be also had By making gear displacement in the axial direction carry out the side of switching with presence or absence of the engagement each other of this gear Method.But, use make gear displacement in the axial direction be engaged with presence or absence of switching method In the case of, in order to make gear again engage, need to set on the gear teeth end face of the gear of two sides Put corner cut, thus have the problem that cost raises.

In this, in present embodiment, as described above, by making operation gear 62 Rotary shaft portion 65 to the side of rotary shaft (screw shaft 41) being toward or away from regulation gear 61 To movement, carry out operating and switch, just with presence or absence of engaging between gear 62 with regulation gear 61 Need not the corner cut for making operation gear 62 engage with regulation gear 61.Thereby, it is possible to Constitute operation gear 62 and regulation gear 61 at a low price such that it is able to make direct sowing apparatus 8 whole The expense of body reduces.

It follows that explanation for carry out operate gear 62 and regulation gear 61 between be engaged with nothing The structure of handover operation.In the direct sowing apparatus of present embodiment, use by with connection Mechanism makes operation gear 62 move, and carries out nibbling between this operation gear 62 and regulation gear 61 The structure of switching with presence or absence of conjunction.As shown in Figures 10 and 11, the coupling mechanism of present embodiment It is made up of interval change coupling member, axle center (coupling member) 75 and join operation axle 76.

Join operation axle 76 is along direction (left and right directions) configuration being parallel to screw shaft 41 Round rod member.As shown in Figure 4, etc., going out on magazine 21, be formed and be inserted into coupling The circular hole 77 of operation axle 76.Join operation axle 76 is inserted in described circular hole 77, thus quilt Go out magazine 21 to be pivotably supported.It addition, as in figure 2 it is shown, join operation axle 76 is configured For, cross over multiple (they being six in the case of present embodiment) that direct sowing apparatus 8 is possessed Go out magazine 21.

As in figure 2 it is shown, in the end of join operation axle 76, be fixedly installed operation pull bar 81. Operator is by carrying out rotation process to operation pull bar 81, it is possible to make join operation axle 76 rotate.

On join operation axle 76, interval, fixed described axle center change coupling member 75.Axle Heart septum change coupling member 75 is the approximation plate generally perpendicularly configured with join operation axle 76 The component of shape.By making join operation axle 76 rotate about the axis, it is possible to make this join operation axle Interval, axle center change coupling member 75 fixing on 76 is (left at the axis direction with screw shaft 41 Right direction) rotate in vertical plane (plane parallel with paper in Figure 10 and Figure 11). It addition, in present embodiment, and respectively go out magazine 21 and be provided with interval, axle center change connection accordingly Connection member 75.

As shown in Figures 10 and 11, in the leading section of interval, axle center change coupling member 75, shape Become and have the protuberance 79,80 prominent towards the side substantially opposite with join operation axle 76.As Shown in Figure 10 and Figure 11, protuberance 79,80 is configured to, in the axis side of screw shaft 41 When (left and right directions) is seen, can be overlapping with elongated hole 72.It addition, as shown in Figures 10 and 11, When the axis direction (left and right directions) of screw shaft 41 is seen, protuberance 79, the length side of 80 Length direction to (projected direction) with elongated hole 72 generally perpendicularly configures.Two protuberances 79, the interval of 80 is set to, with the diameter substantially phase in the rotary shaft portion 65 of operation gear 62 With.Thus, as shown in Figures 10 and 11, the rotary shaft being inserted under the state in elongated hole 72 Portion 65 can be embedded between two protuberances 79,80.

So, two protuberances 79,80 of interval, axle center change coupling member 75 are configured to, Can contact with the rotary shaft portion 65 under the state being inserted in elongated hole 72.Further, by making Change coupling member 75 in interval, this axle center rotates around join operation axle 76, it is possible to make described rotation Axle portion 65 moves along the length direction of this elongated hole 72 in the inside of elongated hole 72.

Change coupling member 75 in interval, axle center is configured to, it is possible to make rotary shaft portion 65 with long Hole 72 close to side end 72A contact state (state of Figure 10) and make rotary shaft portion 65 rotate between the state (state of Figure 11) that side end 72b contacts with leaving of elongated hole 72. Therefore, by making change coupling member 75 in interval, axle center rotate around join operation axle 76, it is possible to Operation gear 62 is made to be released from position (Figure 10) and the engagement engaged with regulation gear 61 Position (Figure 11) between move.

As described above, at the join operation axle of interval, fixed axle center change coupling member 75 On 76, it is fixedly installed operation pull bar 81.Therefore, operator is by entering operation pull bar 81 Row rotation process, it is possible to make change coupling member 75 in interval, axle center rotate around join operation axle 76. Here, under the state (state of Figure 10) that operation gear 62 is meshed with regulation gear 61 Operation pull bar 81 position as primary importance.It addition, will operation gear 62 and regulation tooth The position of the operation pull bar 81 under the state (state of Figure 11) that the engagement between wheel 61 is released from As the second position.That is, operation pull bar 81 is turned to primary importance by operation by operator, Just operation gear 62 can be made to engage with regulation gear 61.It addition, operator will behaviour by operation Make pull bar 81 and turn to the second position, just can be by nibbling between operation gear 62 and regulation gear 61 Close and release.

It follows that the shape of elongated hole 72 is described in detail.As shown in figure 12, this enforcement In mode, when the axis direction of screw shaft 41 is seen, elongated hole 72 is formed, and makes to couple Imaginary circles C1 centered by the axle center of operation axle 76 is along the length direction along elongated hole 72.Therefore, The rotary shaft portion 65 being inserted under the state in this elongated hole 72 can be along imaginary circles C1 (figure Shown in a chain-dotted line in 12), centered by join operation axle 76, do circular motion.

White arrow A1 in Figure 12 represents that rotary shaft portion 65 is to the direction close to screw shaft 41 Moving direction time mobile.As described above, arrow A1 along along with join operation axle 76 Imaginary circles C1 centered by axle center.

As shown in figure 12, when the axis direction of screw shaft 41 is seen, arrow A1 is directed away from The direction of the axle center P1 of screw shaft 41.That is, rotary shaft portion 65 is to close to screw shaft 41 When direction is moved, the axle center P1 not being towards screw shaft 41 moves as the crow flies, and is towards The position of off-axis center P1 is moved.

Based on above structure, the gear teeth of operation gear 62 are from tilted direction close regulation gear 61 The gear teeth.Therefore, when regulation gear 61 contacts with each other with the gear teeth operating gear 62, due to behaviour Make the gear teeth gear teeth from tilted direction pressure regulation gear 61 of gear 62, thus, two gears are certainly So rotating, gear can engage each other.Thus, gear can engage each other exactly.

In addition, it is assumed that make rotary shaft portion 65 move as the crow flies towards the axle center P1 of screw shaft 41 Dynamic (in the case of the axle center P1 of arrow A1 sensing screw shaft 41), then operation gear 62 With the gear teeth of regulation gear 61, frontal collisions can occur each other.In the case, do not simply fail to make The gear teeth are engaged with each other, it is also possible to cause the gear teeth damaged.In this, based on this embodiment party The structure of formula, as described above, due to operation gear 62 and regulation gear 61 the gear teeth from Tilted direction contacts, so, the gear teeth will not occur frontal collisions each other, it is possible to prevents the gear teeth damaged.

It addition, in present embodiment, as shown in Figure 10, be provided with for keeping operation gear The maintaining part 82 of the position of 62.This maintaining part 82 possesses the first lock part 83 and the second lock part 84.First lock part 83 and the second lock part 84 are configured to operation pull bar 81 locking (card Live) fixing.

As shown in Figure 10, the first lock part 83 is configured to, by making this first lock part 83 Locking (blocking) operation pull bar 81, it is possible to this operation pull bar 81 is fixed on primary importance.

Therefore, when the load of the seed of discharging cylinder 28 is adjusted by operator, as long as making First lock part 83 locking operation pull bar 81.Thereby, it is possible to operation gear 62 is kept On the position (Figure 10) engaged with regulation gear 61.Thus, operator is by this shape State carries out rotation process to operation handle 64, it is possible to make regulation gear by operation gear 62 61 rotate, thus it is possible to make feed screw mechanism 40 action to change going out of discharging cylinder 28 The capacity of material hole 28A.Thereby, it is possible to adjusting discharge capacity.

It addition, as shown in figure 11, the second lock part 84 is configured to, by making this second lock Stop 84 locking (blocking) operation pull bar 81, it is possible to this operation pull bar 81 is fixed on second Position.

Therefore, operator is not when carrying out load regulation, as long as making the second lock part 84 locking Operation pull bar 81.Thereby, it is possible to operation gear 62 is maintained at not with regulation gear 61 The position (Figure 11) of engagement.So, in addition to if desired, operation gear 62 can be made and adjust Joint gear 61 does not engages, thus, it is possible to prevent the mill of this operation gear 62 and regulation gear 61 Damage, breakage.

As described above excessively, the seed that the direct sowing apparatus 8 of present embodiment is possessed Drawing mechanism 9 possess be arranged in the hopper 20 putting seed lower section go out magazine 21, described Seed is fed into out in magazine 21.Be provided with in going out magazine 21 by seed by ormal weight by The discharging cylinder 28 gradually sent.Go out magazine 21 to have, rotate integratedly with discharging cylinder 28 Driven gear 30 be supported driven gear supporting part (going out the left side wall 33 of magazine 21), And support engaging the driving gear driving gear 31 to be supported with described driven gear 30 Portion 49.

So, support driven gear 30 by using magazine 21 and drive two sides of gear 31, The interval, axle center of this driven gear 30 and driving gear 31 is solely dependent upon out the precision of magazine 21. Therefore, it is possible to the interval, axle center of suppression driven gear 30 and driving gear 31 is uneven, make tooth The accuracy of mesh of wheel 30,31 improves.

It addition, as described above excessively, in the seed drawing mechanism 9 of present embodiment, from Moving gear supporting part (going out the left side wall 33 of magazine 21) is formed with driving gear supporting portion 49 It is integrated.

So, by driven gear supporting part is formed as one with driving gear supporting portion 49, This driven gear supporting part is solely dependent upon out becoming of magazine with the position driving gear supporting portion 49 Type precision.Therefore, the axle center of driven gear 30 and driving gear 31 is spaced not by assembly precision Impact.Thus, it is possible to make the accuracy of mesh of gear 30,31 improve further.

It addition, as described above, the seed drawing mechanism 9 of present embodiment possess multiple go out Magazine 21.Respectively go out magazine 21 to possess, be configured to axis with drive gear 31 consistent and general Driving force passes to the driving power transmission shaft 32 of this driving gear 31.To each go out magazine 21 independent It is provided with driving power transmission shaft 32.Respectively go out magazine 21 to possess driving power transmission shaft 32 to be supported Power transmission shaft supporting part 48.Further, seed drawing mechanism 9 possess will abut against go out magazine 21 Drive the connection shaft 68 that power transmission shaft 32 is connected to each other.

So, due to each go out magazine 21 be separately provided driving power transmission shaft 32, so, can Magazine 21 will be gone out and be together as a unit process with driving power transmission shaft 32.Further, logical Cross the driving power transmission shaft 32 going out magazine 21 that will abut against with connection shaft 68 connected to each other, it is possible to will Driving force passes to all of driving power transmission shaft 32.

It addition, as described above, the seed drawing mechanism 9 of present embodiment is excessively, Respectively go out in magazine 21, drive, between power transmission shaft 32 and driving gear 31, there is clutch mechanism 50。

That is, in present embodiment, due to each go out magazine 21 be separately provided with drive power transmission shaft 32, if add to each go out magazine 21 clutch mechanism 50 is set, then can will drive transmission Axle 32, clutch mechanism 50, go out magazine 21 and be together as a unit and process.

It addition, as described above excessively, in the seed drawing mechanism 9 of present embodiment, go out Feed roller 28 has the feed screw mechanism 40 can being adjusted the amount sending seed.Go out Magazine 21 possesses, the regulation gear being fixed on the screw shaft 41 of feed screw mechanism 40 61 and to engaging and operate, with regulation gear 61, the operation gear that gear 62 is supported Supporting part 73.

So, support operation gear 62 by using magazine 21, this operation gear 62 and regulation The interval, axle center of gear 61 is solely dependent upon out the precision of magazine 21.Therefore, it is possible to suppression regulation The interval, axle center of gear 61 and operation gear 62 is uneven, makes this regulation gear 61 and operation tooth The accuracy of mesh of wheel 62 improves.

It addition, as described above excessively, the seed drawing mechanism 9 of present embodiment is configured For, by making the rotary shaft portion 65 of described operation gear 62 to being toward or away from screw shaft 41 Direction move, it is possible to be adjusted gear 61 and the operation state that engages of gear 62 and non-nibble The switching of the state closed.

By making the rotary shaft portion 65 of operation gear 62 leave the rotary shaft (spiral shell of regulation gear 61 Bar axle 41), it is possible to solve division operation gear 62 and engaging of regulating gear 61.Thus, not When carrying out the regulation of load, it is possible to make operation gear 62 separate with regulation gear 61, thus It is prevented from this operation gear 62 and the abrasion of regulation gear 61 or breakage.It addition, like this It is configured to make the axle of gear closer to each other or leaves, then engaging with need not corner cut, it is thus possible to Enough prevent cost from raising.

It addition, as described above excessively, the direct sowing apparatus 8 of present embodiment possesses On one direction arrangement multiple go out magazine 21, and, with the plurality of go out magazine 21 the most right It is provided with regulation gear 61 and operation gear 62 with answering.Each rotary shaft portion 65 operating gear 62 Interconnected.

So, by linking the rotary shaft portion 65 of multiple operation gears 62, it is possible to multiple behaviour Make gear 62 and carry out rotation process together.Going out of magazine 21 is respectively gone out thereby, it is possible to regulate together The load of feed roller 28.Further, since respectively the rotary shaft portion 65 of operation gear 62 is connected, Thus it is possible to carry out together multiple operation gears 62 and regulate being engaged with nothing between gear 61 Switching.

It addition, as described above excessively, in the direct sowing apparatus 8 of present embodiment, will The operation gear supporting portion 73 being supported the rotary shaft portion 65 of operation gear 62 is fixedly installed Going out on magazine 21.

So, owing to utilizing the operation gear supporting portion 73 being fixedly installed on out on magazine 21 right The rotary shaft portion 65 of operation gear 62 is supported, thus it is possible to make operation gear 62 relatively go out Magazine 21 positions accurately.Thereby, it is possible to suppress this operation gear 62 and regulation gear 61 Axle center interval uneven, make the accuracy of mesh of two gears improve.

It addition, as described above excessively, in the direct sowing apparatus of present embodiment, behaviour Make to be formed with on gear supporting portion 73 elongated hole 72.Rotary shaft portion 65 is inserted in the interior of elongated hole 72 Portion, and can move along this elongated hole 72.

So, the elongated hole 72 that the rotary shaft portion 65 of operation gear 62 inserts, energy are made by setting Enough limit the moving range in this rotary shaft portion 65.Thereby, it is possible to prevent from operating gear 62 and adjusting Joint gear 61 is the most close.

It addition, as described above excessively, the direct sowing apparatus 8 of present embodiment possesses energy Interval, the axle center change coupling member 75 that enough and operation gear 62 rotary shaft portion 65 contacts.And And, change coupling member 75 in interval, axle center rotates around join operation axle 76 so that rotary shaft portion 65 move to the direction being toward or away from screw shaft 41.

Based on above structure, by join operation axle 76 is carried out rotation process, it is possible to make operation Gear 62 moves between the position engaged with relieving in the position being meshed with regulation gear 61.

It addition, as described above excessively, in the direct sowing apparatus 8 of present embodiment, to Screw shaft 41 close to time the moving direction in rotary shaft portion 65 (in Figure 11 shown in arrow A1 Direction) towards the position of axle center P1 of deviation screw shaft 41.

Thus, operation gear 62 can from tilted direction close to regulation gear 61, thus, the gear teeth Each other will not be from frontal collisions.Thus, it is possible to make the gear teeth engage the most exactly, meanwhile, energy Enough prevent the gear teeth from colliding with each other and damaged.

It addition, the distribution Operation Van 1 of present embodiment possesses above-mentioned seed drawing mechanism 9 and The car body 2 that this seed drawing mechanism 9 travels can be carried.

Owing to driven gear 30 is improved with the accuracy of mesh driving gear 31, so, should Spread Operation Van 1 and can be stably driven with discharging cylinder 28 while travelling.Thereby, it is possible to Send seed accurately and stably on one side while travelling.

Above first embodiment of the present invention is illustrated, but to said structure the most also Following change can be carried out.

In above-mentioned embodiment, driven gear supporting part (going out the left side wall of magazine 21) and driving Gear supporting portion 49 forms as one, but may be not necessarily limited to this.Drive for example, it is also possible to use Moving gear supporting part 49 is independently of out the component of magazine 21, and by this driving gear supporting portion 49 are fixed on out the structure on magazine 21.

In above-mentioned embodiment, discharging cylinder 28 is the slip that can change discharge opening 28A capacity Roll shape, but it is not limited to this, it would however also be possible to employ the type conduct of discharge opening 28A capacity can not be changed Discharging cylinder.

In above-mentioned embodiment, cut driving the power transmission shaft 32 end with connection shaft 68 to be formed Mouth (D-cuts), by making coupling member 69 be entrenched in this part, it is possible to realizes driving power transmission shaft 32 structures that can not link with the relative rotation with connection shaft 68.But, drive power transmission shaft 32 with The connecting structure of connection shaft 68 is not limited to this.For example, it is also possible to replacement otch, and driving Power transmission shaft 32 forms keyway with the end of connection shaft 68, makes coupling member 69 be entrenched in this part. It addition, driving power transmission shaft 32 and connection shaft 68 such as can also be made chimeric and link by spline (in this case, it is possible to omitting coupling member 69).Other, as drive power transmission shaft 32 with The structure that connection shaft 68 links, can use known suitable connecting structure.Can consider To, the driving power transmission shaft 32 that such as will abut against with coupling member 69 links directly with one another. In the case, it is possible to omit connection shaft 68.

In above-mentioned embodiment, it is provided with interval, axle center change connection structure corresponding to respectively going out magazine 21 Part 75, but the number of countershaft heart septum change coupling member 75 is not particularly limited, as long as setting Put interval, more than one axle center change coupling member 75.

In above-mentioned embodiment, have employed the rotary shaft portion 65 of each operation gear 62 by connection shaft 63 link, it is thus possible to multiple operation gears 62 carry out the structure of rotation process together.But, It is not limited to this, it would however also be possible to employ each operation gear 62 is individually carried out the structure of rotation process.

In above-mentioned embodiment, have employed the rotary shaft portion 65 of operation gear 62 and couple behaviour Make axle 76 respectively by going out the structure that magazine 21 supports, but be not limited to this, it would however also be possible to employ by going out Component beyond magazine 21 supports rotary shaft portion 65 and the one party of join operation axle 76 or two The structure of side.

As described above, in time carrying out load regulation in addition to, operation gear 62 and regulation Gear 61 there is no need engagement but it also may uses omission to be used for changing regulation gear 61 and behaviour Make the structure that the axle center between gear 62 is spaced, and as shown in Figure 13, use and make regulation tooth The structure that wheel 61 engages with operation gear 62 always.

In above-mentioned embodiment, have employed by direct sowing apparatus 8 (granule dissemination apparatus), Seed drawing mechanism 9 is arranged in the structure at car body 2 rear.But, granule dissemination apparatus Configuration may be not necessarily limited to this, such as can also be in car body middle part or the configuration of car body front Plastochondria dissemination apparatus.

The structure of above-mentioned embodiment is not limited to seed drawing mechanism or direct sowing apparatus, it is possible to To be widely used in sending the device of granule (the most granular fertilizer etc.) or to spread Device.

Below, second embodiment of the present invention is illustrated.It addition, embodiment party described later In the explanation of formula and variation, have for the same or similar components such as aforesaid embodiment, Mark identical labelling situation about omitting the description in the accompanying drawings.Figure 14 is as the present invention The side view of the rice transplanter 1x of the work car involved by the second embodiment.

As shown in figure 14, rice transplanter 1x possesses car body 2, is arranged in the kind at this car body 2 rear Plant portion 3 and fertilizer applicator (granule dissemination apparatus) 8x.

In the left and right of steering wheel 7, it is provided with preparation rice shoot platform 111.Energy on preparation rice shoot platform 111 Enough seedling box carrying the blanket appearance seedling putting preparation.

Described plantation portion 3 is attached at the rear of car body 2 by lifting coupling mechanism 12.It addition, At the rear portion of car body 2, it is configured with for the driving force of electromotor 10 is exported plantation portion 3 Power output shaft 13, for carry out plantation portion 3 lifting drive lift cylinders 14 etc..

It is parallel that lifting coupling mechanism 12 is made up of top connection 18, lower end connection 19 etc. Access node structure is constituted.Described lift cylinders 14 is linked on 19 it addition, couple in lower end.By making Lift cylinders 14 expanding-contracting action, it is possible to make the overall oscilaltion in plantation portion 3.

Plantation portion 3 possesses rice shoot placement platform 17, multiple planter units 90 and multiple floating structure Part 16.

Each planter units 90 is configured to, and rotates the rotation possessing two plantation pawls 92 on box body 91 Rotatable planting unit.By the driving force of described power output shaft 13 input, rotate box body 91 Driven and rotated, thus carried out the plantation of rice shoot.It addition, the rice transplanter quilt of present embodiment It is configured to plant the rice transplanter of four row, there is the plantation of four row arranged along car body left and right directions Unit 90.

Rice shoot placement platform 17 is arranged in the top of planter units 90, is configured to put blanket Shape rice shoot.It addition, the rice transplanter of present embodiment is owing to being plantation four row, so, rice shoot is put Put platform 17 to be configured to, it is possible to put the blanket seedling of four row arranged along car body left and right directions Seedling.

Rice shoot placement platform 17 possesses, and described blanket appearance seedling is supplied to each planter units 90 Conveyer (known longitudinal feed mechanism and transverse feed mechanism).Thereby, it is possible to various Plant unit 90 and supply rice shoot successively, so, each planter units 90 can carry out the plantation of rice shoot.

Floating member (floating) 16 is arranged on the bottom in plantation portion 3, and is configured to its bottom surface Ground can be contacted.

Fertilizer applicator (granule dissemination apparatus) 8 be for by the fertilizer of solid particle body shape ( Plastochondria) spread to the device in field.Fertilizer applicator 8x possesses, and fertilizer hopper 27x, fertilizer go out Material device 9x, transport portion 36, blower 93 and air supply pipe 94.

As shown in figure 14, driver's seat 6 during fertilizer hopper 27x is configured in car body fore-and-aft direction And on the position between rice shoot placement platform 17.As shown in figure 15, fertilizer hopper 27x possesses, Hopper main body 87 and cap 88.Hopper main body 87 is configured to, and its top is unlimited container, Fertilizer has been put in the inside of this hopper main body 87.Cap 88 is configured to hopper main body 87 Top opened portion cover.

As shown in figure 15, the bottom of hopper main body 87 is, is formed the thinnest leakage Bucket-shaped channel part 89.The lower open of channel part 89.Therefore, in hopper main body 87 Fertilizer flows out downwards via channel part 89.

Below, fertilizer drawing mechanism 9x is illustrated.Fertilizer drawing mechanism 9x is arranged in fertilizer The lower section of material hopper 27x.Fertilizer drawing mechanism 9x is configured, and is supplied by fertilizer hopper 27x Fertilizer the most gradually deliver to lower section.

Fertilizer drawing mechanism 9x possesses magazine 21x.Go out magazine 21x and be configured to hollow form Box body.This goes out magazine 21x and is configured to, it is possible to be installed in the passage of described hopper main body 87 The bottom in portion 89.As shown in figure 19, go out magazine 21x and there is fertilizer inflow space therein 25.Fertilizer inflow space 25 connects with described channel part 89.Therefore, by fertilizer hopper 27x The fertilizer of supply flows into fertilizer inflow space 25.

As shown in figure 19, in the inside going out magazine 21x, described fertilizer inflow space 25 times Portion is configured with discharge port plate (discharging portion) 28x.Discharge port plate 28x is formed as approximate circle tabular Component.The axle center of discharge port plate 28x is fixedly installed rotary shaft 45x.

As shown in figure 19, in rotary shaft 45x of discharge port plate 28x, it is fixedly installed slave end Bevel gear (driven gear) 34.It addition, going out on magazine 21x, drive shaft 26 is rotatable Support.In drive shaft 26, it is fixedly installed driving side cone tooth as shown in Figure 19 Wheel (driving gear) 35.Driving side bevel gear 35 is configured to, with described slave end bevel gear 34 are meshed.Going out on magazine 21x, the supporting walls that slave end bevel gear 34 is supported (driven gear supporting part) (drives tooth with the supporting walls being supported driving side bevel gear 35 Wheel supporting part) form as one.

The driving force exported as the electro-motor 95 in the source of driving is imported into drive shaft 26 (in detail Details condition will be described later).This driving force is passed to rotary shaft 45x by bevel gear 34,35. Thus, discharge port plate 28x is driven and is rotated around rotary shaft 45x.

It addition, on discharge port plate 28x, be formed multiple by this discharge port plate 28x in its thickness side The discharge opening 28b extended upward through.This discharge opening 28b is formed with and can put ormal weight (1 Grain is to several) the size of fertilizer.Thus, ormal weight pressed by the fertilizer in fertilizer inflow space 25 Gradually it is taken in discharge opening 28b.So the fertilizer of ormal weight is being taken into discharge opening 28b Under interior state, by driving this discharge port plate 28x to rotate, going out under the state being taken into fertilizer Material hole 28b moves round rotary shaft 45x.Then, when position and the regulation of discharge opening 28b Unloading position consistent time, the described fertilizer being taken in this discharge opening 28b is released to down Side.Based on above structure, it is possible to the fertilizer in fertilizer hopper 27x is pressed ormal weight, and (1 extremely Several) gradually deliver to lower section.

It follows that air supply pipe 94 and blower 93 are illustrated.Air supply pipe 94 It is the component of approximation tubulose, configures along car body left and right directions as shown in Figure 15.Air supplies The end (being the end on right side in the case of present embodiment) of the side of pipe 94 is closed, separately It is connected to blower 93 on the end (being the end in left side in the case of present embodiment) of side. Can not be moved relative to car body 2 it addition, air supply pipe 94 is fixedly installed into.Blower 93 It is configured to, air is sent into the inside of described air supply pipe 94.

It follows that transport portion 36 is illustrated.Transport portion 36 possesses introduction part 106, connects Connect road 107, transporting tube 108 and spread mouth 109.

Introduction part 106 is arranged in out the lower section of magazine 21x.As shown in Figure 21 etc., introduction part The opened upper end of 106, and is connected with the bottom going out magazine 21x.It addition, introduction part 106 It is formed, the funnel-form that the most past downside more attenuates.

Interface channel 107 is arranged in the lower section of introduction part 106.As shown in Figure 19 etc., connect logical Road 107 is configured to circular tube shaped, configures approximately along direction before and after car body 2.Interface channel Before and after 107, the mid portion in direction is connected to the bottom of described introduction part 106.Thus, The inner space of interface channel 107 connects with introduction part 106.Therefore, by fertilizer drawing mechanism The fertilizer that 9x sends is directed in interface channel 107 via introduction part 106.It addition, this In embodiment, introduction part 106 forms as one with interface channel 107.

It is connected to air supply pipe 94 in the end of the front side of interface channel 107.Thus, described Produced by blower 93, air-flow is fed into interface channel 107 via air supply pipe 94 In.This air-flow flows towards rear in interface channel 107.Therefore, it is directed to connect lead to Fertilizer in road 107 takes advantage of described air-flow to be transported to rear.It addition, interface channel 107 is not Can be fixedly arranged on movably on car body 2 by relative atmospheric supply pipe 94.

It is connected to transporting tube 108 in the end of the rear side of interface channel 107.Transporting tube 108 is There is the tubular element of retractility.The side contrary with interface channel 107 at transporting tube 108 End, be provided with distribution mouth (liberation port) 109 (Figure 14).As shown in figure 14, mouth is spread 109 are disposed proximate to ground.Therefore, described fertilizer is taken advantage of produced by blower 93 described Air-flow is transported to spread mouth 109 in transporting tube 108, and is released from this distribution mouth 109 On ground.

Based on fertilizer applicator 8x configured as described above, it is possible to incite somebody to action utilizing fertilizer drawing mechanism 9x While fertilizer in fertilizer hopper 27x is gradually sent by ormal weight, utilize transport portion 36 by it Transport and spread on ground.

It addition, the rice transplanter of present embodiment is four row plantations, thus, executing of present embodiment Fertile machine 8x, in the way of can spreading four row fertilizer, is provided with respectively in the left and right of car body 2 simultaneously Four the fertilizer drawing mechanism 9x arranged on direction and four transport portion 36 (with reference to Figure 15).

It addition, the fertilizer hopper 27x of present embodiment is configured to put the fertilizer of two row Material.I.e., as shown in figure 15, the bottom of hopper main body 87 is divided into Liang Ge branch, forms two Channel part 89.Further, each channel part 89 is connected with fertilizer drawing mechanism 9x.Thereby, it is possible to By a fertilizer hopper 27x, two fertilizer drawing mechanism 9x are supplied fertilizer.Then, this enforcement In the fertilizer applicator 8x of mode, two fertilizer hopper 27x are configured to arrange along car body left and right directions, It is thus possible to put the fertilizer of four row.Here, the fertilizer hopper 27x in left side is referred to as left hopper 27L；The fertilizer hopper 27x on right side is referred to as right hopper 27R.

As described above, fertilizer applicator 8x has for the discharge port plate 28x to fertilizer drawing mechanism 9x Carry out rotating the drive shaft 26 driven.In present embodiment, use and driven by a drive shaft 26 The structure of the fertilizer drawing mechanism 9x of dynamic two row.Therefore, the fertilizer applicator 8x of present embodiment There are two drive shafts 26.Specifically, as shown in figure 15, fertilizer applicator 8x possesses the left side Drive shaft 26L and drive shaft 26R on the right.It addition, drive shaft 26L on the left side and the right Drive shaft 26R is separate.

As shown in figure 15, drive shaft 26L on the left side is configured to, and is coupled across left hopper Two fertilizer drawing mechanism 9x on 27L.By drive shaft 26L on the left side is inputted driving force, The said two fertilizer drawing mechanism 9x being connected on left hopper 27L can be simultaneously driven.

It addition, as shown in figure 15, drive shaft 26R on the right is configured to, and is coupled across Two fertilizer drawing mechanism 9x on right hopper 27R.By defeated to drive shaft 26R on the right Enter driving force, it is possible to simultaneously drive the said two fertilizer discharging dress being connected on right hopper 27R Put 9x.

It follows that the rotating mechanism of fertilizer hopper 27x is illustrated.

That is, the fertilizer applicator 8x of present embodiment is configured to, in making fertilizer hopper 27x Fertilizer can be discharged to outside, and enables this fertilizer hopper 27x to rotate.That is, such as Figure 17 As shown in, when pulling down cap 88 from hopper main body 87, by making this hopper master Body 87 rotates and makes the open section on top face down (state of Figure 17), just can be by this hopper Fertilizer in main body 87 is discharged.Further, since hopper main body 87 can be made as described above Rotate, thus it is possible to the cleaning easily carried out in this hopper main body 87 etc. are safeguarded.

Hereinafter, it is described in detail to realizing the structure that fertilizer hopper 27x can rotate.That is, The fertilizer applicator 8x of present embodiment possesses rotary shaft 78, rotates stay 85 and support stay 86. It addition, as described above, the fertilizer applicator 8x of present embodiment has and arranges along car body left and right directions Two fertilizer hopper 27x (left hopper 27L and right hopper 27R) of row.Then, this embodiment party In formula, as shown in figure 15, be respectively equipped with on the left side of fertilizer applicator 8x and right side rotary shaft 78, Rotate stay 85 and support stay 86.In the following description and accompanying drawing, with " L " after labelling Time represent left side structure；The structure on right side is represented time after labelling with " R ".

Air supply pipe 94 is fixedly installed support stay 86.That is, stay 86 phase is supported Car body 2 is fixedly installed.The support stay 86L on the left side is configured in air supply pipe 94 Left side end near.The support stay 86R on the right is configured in air supply pipe 94 Near the end on right side.

Rotary shaft 78 is supported on described support stay 86.Rotary shaft 78 is configured to parallel In car body fore-and-aft direction.Rotary shaft 78L on the left side is supported by the support stay 86L on the left side；Right Rotary shaft 78R on limit is supported by the support stay 86R on the right.

As shown in figure 15, rotate stay 85 to configure approximately along above-below direction.Rotate stay 85 Downside end by rotary shaft 78 be supported on support stay 86 on.Thus, support is rotated Bar 85 can rotate around rotary shaft 78 by relative support stay 86.The rotation stay 85L on the left side It is supported on the support stay 86L on the left side by rotary shaft 78L on the left side.The rotation on the right Stay 85R is supported on the support stay 86R on the right by rotary shaft 78R on the right.

The end of the upside rotating stay 85 is fixed in hopper main body 87.Thus, can make Fertilizer hopper 27x rotates around rotary shaft 78.Specifically, the rotation stay 85L on the left side The end of upside is fixed on the left surface of the hopper main body 87 of left hopper 27L.Thus, energy Left hopper 27L rotary shaft 78L around the left side is made to rotate (the thick arrow with reference to Figure 17 towards upper left side Head A).It addition, the end of the upside of the rotation stay 85R on the right is fixed on right hopper 27R The right flank of hopper main body 87.Thereby, it is possible to make the right hopper 27R rotary shaft around the right 78R rotates (with reference to block arrow B of Figure 17) towards upper right side.

It addition, in present embodiment, as shown in two chain-dotted lines in Figure 16, employing can make air-supply The structure that device 93 is kept out of the way to the direction leaving left hopper 27L.Its reason is, as shown in figure 15 Like that, owing to this blower 93 is configured to be close to left hopper 27L in left side, this left hopper 27L can interfere with the position of blower 93 when rotating.Then, as described above, by making Blower 93 can avoid left hopper 27L, and left hopper 27L can be made not hinder this blower 93 ground Rotate upward.

As shown in figure 16, the fertilizer hopper 27x with left and right is respectively correspondingly provided with handle 98. Handle 98 is fixedly installed on fertilizer hopper 27x.Therefore, operator is by grasping hands Handle 98 is lifted up, and fertilizer hopper 27x just can be made to rotate upward centered by rotary shaft 78. It addition, as shown in figure 16, the handle 98 of present embodiment is configured to, from fertilizer hopper 27x Forwards extend (towards driver's seat 6 side).Thus, operator can hold from driver's seat 6 side Change places and fertilizer hopper 27x is carried out rotating operation.

It addition, in present embodiment, fertilizer hopper 27x, when rotary shaft 78 rotates, and is connected Two fertilizer drawing mechanism 9x on this fertilizer hopper 27x rotate (with reference to Figure 17) integratedly. Therefore, when making fertilizer hopper 27x rotate, it is not necessary to carry out making this fertilizer hopper 27x and fertilizer The operation that drawing mechanism 9x separates.

It addition, in order to enable fertilizer hopper 27x and fertilizer drawing mechanism 9x around rotary shaft 78 Rotate integratedly, need this fertilizer drawing mechanism 9x can leave transport portion 36.Then, such as figure As shown in the of 21, fertilizer drawing mechanism 9x is configured to, it is possible to upwardly away from transport portion 36 Introduction part 106.

It addition, as described above, drive shaft 26 is supported on the discharging of fertilizer drawing mechanism 9x On box 21x, accordingly it is also possible to make fertilizer hopper 27x rotate integratedly with drive shaft 26.Tool For body, drive shaft 26L on left side rotary shaft 78L around the left side is with left hopper 27L integratedly Rotate.It addition, rotary shaft 78R that drive shaft 26R on the right is around the right and right hopper 27R Rotate integratedly.

As described above, in the fertilizer applicator 8x of present embodiment, fertilizer hopper 27x, this fertilizer Expect two the fertilizer drawing mechanism 9x installed on hopper 27x and cross over this two fertilizer dischargings dresses The drive shaft 26 putting 9x configuration can rotate integratedly around rotary shaft 78.Here, fertilizer hopper 27x, fertilizer drawing mechanism 9x and drive shaft 26 are for supplying fertilizer to transport portion 36.Cause This, in the following description, in the composition part that fertilizer applicator 8x is possessed around rotary shaft 78 The part rotated is referred to as " supply unit ".

More specifically, two the fertilizer dischargings left hopper 27L, this left hopper 27L installed Drive shaft 26L on device 9x and the left side can rotate integratedly around rotary shaft 78L on the left side (with reference to block arrow A of Figure 17).Here, they to be referred to as " supply unit on the left side ".It addition, Two the fertilizer drawing mechanism 9x installed on right hopper 27R, this right hopper 27R and the right Drive shaft 26R can rotate (the thick arrow with reference to Figure 17 integratedly around rotary shaft 78R on the right Head B).Here, they to be referred to as " supply unit on the right ".

As described above, in the fertilizer applicator 8x of present embodiment, the supply unit of left and right energy respectively Enough rotate around rotary shaft 78.Therefore, the supply unit of left and right is able at job position (figure 15, Figure 16) and release position (Figure 17) between move.

Here, " job position " of supply unit refers to, this supply unit is in can be to transport portion 36 Supply the position during state of fertilizer.Specifically, two fertilizer possessed by supply unit go out Material device 9x is connected the shape of the upper end of the introduction part 106 of corresponding transport portion 36 respectively State (state shown in Figure 15, Figure 18 and Figure 19) is as " job position " of this supply unit. Under this state, input driving force by the drive shaft 26 possessed to supply unit, and to this supply The discharge port plate 28x of two fertilizer drawing mechanism 9x that portion is possessed carries out rotating driving respectively, will The fertilizer of two row is gradually sent by ormal weight, and this fertilizer just can be supplied to corresponding transport Portion 36.

By making the supply unit being positioned at " job position " rotate upward around rotary shaft 78, it is possible to make This supply unit leaves transport portion 36 (state of such as Figure 17).Position by the supply unit of this state Put referred to as " release position ".It addition, the supply unit of this state can not supply fertilizer to transport portion 36.

It follows that the feature structure of present embodiment is illustrated.

As shown in figure 15, when the supply unit on the left side is " job position ", drive shaft 26L on the left side It is configured to almost parallel with car body left and right directions.It addition, the supply unit on the left side has, on a left side The driving input gear 56L on the left side being fixedly installed in drive shaft 26L on limit.Driving of this left side Dynamic input gear 56L is configured in, the close right side in two ends of drive shaft 26L on the left side Near the end (end on right side) of the supply unit side on limit.It addition, the driving on this left side Input gear 56L is spur gear (spur gear).

It addition, as shown in figure 15, when the supply unit on the right is " job position ", the driving on the right Axle 26R is configured to almost parallel with car body left and right directions.It addition, the supply unit on the right has, The driving input gear 56R on the right being fixedly installed in drive shaft 26R on the right.On the right of this Driving input gear 56R be configured in, leaning in two ends of drive shaft 26R on the right Near the end (end in left side) of the supply unit side on the nearly left side.It addition, on the right of this Driving input gear 56R is spur gear (spur gear).

As shown in Figure 15 and Figure 16, when the supply unit of left and right is all " job position ", this left side Drive shaft 26L, drive shaft 26R on the right be configured to make drive shaft 26L on the left side with right The axis of drive shaft 26R on limit is consistent.Now, the driving input gear 56L on the left side, the right Driving input gear 56R be configured to the most adjacently arrange.

On car body 2, as shown in Figure 15 waits, it is provided with the driving source as fertilizer applicator 8x Electro-motor 95.Electro-motor 95 by fixed configurations is, it is impossible to move relative to car body 2. The output shaft of electro-motor 95 is arranged to, almost parallel with the left and right directions of car body 2.This is defeated Driving output gear 51 it is fixedly installed on shaft.It addition, this driving output gear 51 is just Gear (spur gear).

As shown in Figure 15 and Figure 16, when the supply unit on the left side is " job position ", driving of the left side Dynamic input gear 56L is configured to be meshed with driving output gear 51.In this state, logical Overdriving electro-motor 95, rotary driving force can be via driving output gear 51 and the left side Input gear 56L is driven to be passed in drive shaft 26L on the left side.Thereby, it is possible to a left side Two fertilizer drawing mechanism 9x that the supply unit on limit is possessed are driven.

It addition, as shown in Figure 15 and Figure 16, when the supply unit on the right is " job position ", right The driving input gear 56R on limit is configured to be meshed with driving output gear 51.At this shape State, by driving electro-motor 95, rotary driving force can be via driving output gear 51 He The drivings input gear 56R on the right and in drive shaft 26R on the right of being passed to.Thus, energy Enough two fertilizer drawing mechanism 9x being possessed the supply unit on the right are driven.

Further, as shown in Figure 15 and Figure 16, the driving input gear 56L on the left side, the right Drive input gear 56R to be configured to, it is possible to drive output gear 51 phase to nibble with one simultaneously Close.Based on above structure, it is possible to by one drive output gear 51 to drive shaft 26L on the left side, Drive shaft 26R on the right transmits driving force respectively.

It addition, in aforesaid patent documentation 3, owing to using only drive shaft to the right The structure of (the first power shaft) input driving force, so, in order to the drive shaft (second on the left side Power shaft) transmission driving force, need the link mechanism drive shaft of left and right linked.At this On point, in present embodiment, use and driven the output gear 51 driving to the left side by one Axle 26L, drive shaft 26R on the right transmit the structure of driving force respectively, thus, it is not necessary that Driving force is transmitted from drive shaft 26R on the right to drive shaft 26L on the left side.Thus, this enforcement In the fertilizer applicator 8x of mode, do not have drive shaft 26L on the left side, drive shaft 26R on the right The link mechanism linked.Accordingly, it is capable to make the simple in construction of fertilizer applicator 8x.

As shown in figure 18, (driving in the case of Figure 18 being the right is defeated to drive input gear 56 Enter gear 56R) axle center drive shaft 26R of the right (in the case of Figure 18 be) be configured At ratio on the higher position, axle center driving output gear 51.In other words, input gear is driven The 56 driving input gear 56R of the right (in the case of Figure 18 are) are configured to, from top with Output gear 51 is driven to be meshed.

Therefore, as shown in figure 20, driving input gear 56 (is the right in the case of Figure 20 Drive input gear 56R) by being moved upward, it is possible to release and drive output gear 51 Between engagement, and leave this driving output gear 51 (with reference to the block arrow of Figure 20).With this phase Instead, by making driving input gear 56 from top close to driving output gear 51, it is possible to this Output gear 51 is driven to be meshed.

Therefore, as shown in figure 17, by making the supply unit on the left side move to " open from " job position " Put position ", it is possible to make the driving input gear 56L on the left side leave upward driving output gear Wheel 51 (with reference to block arrow A of Figure 17).Thus, the output shaft into electro-motor 95 is become And the state that the link between drive shaft 26L on the left side is released from.On the contrary, by making the left side Supply unit moves to " job position " from " release position ", it is possible to make the driving input gear on the left side 56L is meshed (state of Figure 15) with driving output gear 51.Thus, become as electronic horse Reach the state being connected between the output shaft of 95 and drive shaft 26L on the left side.

So, structure based on present embodiment, by making the supply unit on the left side around the left side Rotary shaft 78L moves, it is possible to make the output shaft of electro-motor 95 and drive shaft 26L on the left side Between link or separate.Further, this link and separation are the driving input gears by making the left side 56L and driving leave between output gear 51 or close to and realize.Therefore, there is no need to for Realize the clutch etc. of this link and separation.Therefore, in present embodiment, electro-motor 95 Output shaft and drive shaft 26L on the left side between there is no clutch.

It addition, similarly, by making the supply unit on the right move to " open stance from " job position " Put ", it is possible to make the driving input gear 56R on the right leave upward driving output gear 51 (with reference to block arrow B of Figure 17).Thus, the output shaft into electro-motor 95 and the right are become Drive shaft 26R between the state that is released from of link.On the contrary, by making the supply unit on the right Move to " job position " from " release position ", it is possible to make the right driving input gear 56R with Output gear 51 is driven to be meshed (state of Figure 15).Thus, become as electro-motor 95 Output shaft and drive shaft 26R on the right between the state that is connected.

So, structure based on present embodiment, by making the supply unit on the right around the right Rotary shaft 78R moves, it is possible to make the output shaft of electro-motor 95 and drive shaft 26R on the right Between link or separate.Further, this link and separation are the driving input gears by making the right 56R with drive output gear 51 leave or close to and realize.Therefore, there is no need to for realizing This link and the clutch etc. of separation.Therefore, in present embodiment, the output of electro-motor 95 Clutch is not had between axle and drive shaft 26R on the right.

It addition, in aforesaid patent documentation 3, when making supply unit (top fertilizer applicator) rotate, Need clutch and the operation of link organizational separation.Therefore, when making supply unit rotate, if forgetting Remembered carry out by clutch or link organizational separation operation, it is likely that make described clutch or Link mechanism damaged.

In this, in the fertilizer applicator 8x of present embodiment, as described above, owing to not having There is clutch and link mechanism, so, this clutch will not be produced and link mechanism's breakage so Problem.It addition, make supply unit around rotary shaft 78 move time, owing to there is no need clutch Device, link mechanism operate, thus it is possible to make supply unit around rotation with shirtsleeve operation Axle 78 moves.

But, the clutch of patent documentation 3 is, to electromotor and supply unit (top fertilizer applicator) Between link turn off/connect control.In the structure of patent documentation 3, it is assumed that eliminate from Clutch, then cannot make supply unit disconnect with electromotor and link, thus this supply unit cannot be made to stop. Therefore, in the structure of patent documentation 3, link to make supply unit disconnect with electromotor and stop, Clutch also becomes required composition part.

To this, in the rice transplanter 1x of present embodiment, as the special driving driving supply unit Source, is provided with electro-motor 95.Owing to electro-motor 95 can be by individually relative to electromotor 10 Control, so, in order to stop supply unit, only electro-motor 95 need to be stopped.So, In the fertilizer applicator 8x of present embodiment, owing to the driving source special as supply unit is provided with electronic Motor 95, so, it is not necessary to for making this supply unit disconnect, with electromotor, the clutch linked. Therefore, as mentioned above, it is possible to omit clutch.

In the rice transplanter 1x of present embodiment, it is assumed that using electromotor 10 as the driving of supply unit Source, then be necessary to be provided for being delivered to drive output gear 51 from this electromotor 10 by driving Drive transmission mechanism.Accordingly, because the layout restriction of this drive transmission mechanism, it is difficult at car The middle part configuration driven output gear 51 of body left and right directions.It will be as a result, it is difficult to will drive defeated Going out that gear 51 is arranged in can be with the driving input gear 56L on the left side, the driving input gear on the right On the position that 56R is meshed.

In this, owing to electro-motor 95 can be arranged on car body than relatively freely, so, By the most tired for the middle part of the left and right directions driving output gear 51 to be arranged in car body 2 Difficult.In present embodiment, as shown in Figure 15 and Figure 16, owing to output gear 51 will be driven It is arranged in the middle part of the left and right directions of car body 2, so, the driving input gear 56L on the left side, The driving input gear 56R on the right can be meshed with this driving output gear 51.

Described in patent documentation 3 carry out releasing the operation structure of the operation of above-mentioned link mechanism Part.In patent documentation 3, control member is arranged near handle (the second grip part).Cause This, operator is by gripping control member together with handle (the second grip part), it is possible to will The link linking mechanism releases.Here, link mechanism owing to control member is necessary to be arranged in Nearby, so, handle (the second grip part) is also necessary to be arranged near link mechanism. So, in the structure of patent documentation 3, the position of handle is restricted.

In this, in the fertilizer applicator 8x of present embodiment, as described above, owing to not having There is clutch and link mechanism, so, it is not necessary to operate this clutch or link the behaviour of mechanism Make component.Therefore, the most not existing must be such at the nearby configuration handle 98 of this control member Limit.So, structure based on present embodiment, it is possible to freely configuration handle 98.Therefore, Can be at the position configuration handle 98 that operator easily grips, so easily carrying out gripping this handle 98 make the operation that supply unit moves.

It follows that the maintenance to transport portion 36 illustrates.

As described above, in the fertilizer applicator 8x of present embodiment, by making supply unit upward Rotate, it is possible to make this supply unit leave the introduction part 106 of transport portion 36.Thus, such as Figure 21 Shown in, it is possible to make the inner space of introduction part 106 expose.Therefore, based on said structure, also Can obtain and easily carry out these effects such as cleaning within introduction part 106.

But, as described above, even if making supply unit rotate upward, as shown in figure 21 Like that, the inside of interface channel 107 is not almost exposed.Therefore, interface channel 107 is cleaned Internal relatively difficult.Then, in present embodiment, in order to the inside of interface channel 107 cleans Easily carry out, and be provided with cleaning component 101 in the inside of this interface channel 107.

As long as this cleaning component 101 can clean at least on the length direction of interface channel 107, Fertilizer the part of process.Then, as shown in Figure 19 etc., the cleaning structure of present embodiment Part 101 is arranged on, and the position being connected to introduction part 106 from interface channel 107 is to this In region till the end in the downstream (rear side) of interface channel 107.This cleaning component 101 It is configured to, in the inside of interface channel 107, it is possible to the axis around this interface channel 107 revolves Turn.So, by making cleaning component 101 rotate in interface channel 107, it is possible to by this even Connect the attachment piled up on the inner circumferential wall in road 107 to cut.Therefore, it is possible to prevent fertilizer from hindering Plug.

Here, such as it is also contemplated that above-mentioned cleaning component 101 to be configured to the component of brush class. It is assumed, however, that be configured with the component of brush class in interface channel 107, then fertilizer leads to from this connection Can be hindered when the inside in road 107 is passed through.

Then, in present embodiment, constitute with wire rod (tinsel) and clean component 101.More Specifically, the cleaning component 101 of present embodiment is by being bent aptly by wire rod, with Form the diameter coiled type corresponding with the internal diameter of interface channel 107 (rattan is wound around shape) and constitute 's.

So, it is made up of wire rod owing to cleaning component 101, so, at interface channel 107 Inside, the space that cleaning component 101 is occupied is the least.Thus, can make interface channel 107 Interior fertilizer transports the harmful effect brought and is reduced to Min..Particularly, this embodiment party In formula, due to will clean component 101 as coiled type, so fertilizer can from its axle centrally through. Therefore, the fertilizer in interface channel 107 transports the obstruction that will not be subject to clean component 101.

As shown in figure 19, in present embodiment, it is provided with and forwards extends from cleaning component 101 Extension 102.Extension 102 is that the axis with interface channel 107 consistently configures Wire rod (tinsel), forms as one with cleaning component 101.As shown in figure 19, extension 102 are configured to, and stretch out from the end of the front side of interface channel 107, supply from air further Pass through to the inside of pipe 94.On the perisporium of air supply pipe 94, it is formed described in making and prolongs Extending portion 102 pass through forwards, backwards through hole.Thus, extension 102 is configured to, from air Supply pipe 94 stretches out towards front.

Further, the end in the front side of extension 102 is provided with operating portion 103.Operating portion 103 Be fixedly installed on extension 102, and be configured to operator can drawing with finger manipulation Shaft-like.Operator can carry out rotation process to operating portion 103, so that it is with extension 102 Length direction be axis rotate.Thus, what operator can make within interface channel 107 is clear Sweep component 101 and rotate around the axis of this interface channel 107.Thus, it is possible to this interface channel The inside of 107 cleans.

It addition, as described above, operating portion 103 is arranged on the front of air supply pipe 94. That is, operating portion 103 is configured in driver's seat 6 side.Therefore, operator can be from driver's seat Operating portion 103 is operated by 6 sides.So, can be easily due to the operation of operating portion 103 Ground carry out, thus it is possible to simply with cleaning component 101 be attached in passage 107 clear Sweep.

As described above excessively, the fertilizer applicator 8x of present embodiment possesses fertilizer drawing mechanism 9x, hopper 20, driving output gear 51 and transport portion 36.Output gear 51 is driven Rotate from the drive force of the electro-motor 95 as the source of driving.Transport portion 36 will be from fertilizer The fertilizer that material drawing mechanism 9x sends is transported to ground.The supply unit of supply fertilizer includes hopper 20 and fertilizer drawing mechanism 9x.This supply unit possesses discharge port plate 28x and drives input gear 56. For driving the driving force of discharge port plate 28x to be imported into driving input gear 56.Supply unit is by structure Become, transport portion 36 can supplied the job position (Figure 15) of fertilizer and from transport portion 36 Can move between release position (Figure 17) after leaving.Supply unit, when job position, drives Dynamic output gear 51 is meshed with driving input gear 56.It addition, by making supply unit from work Industry position is moved to release position, drives input gear 56 to leave driving output gear 51.

So, the engagement utilizing gear achieves from the electro-motor 95 as the source of driving to fertilizer Drawing mechanism 9x driving transmission, and, when making supply unit move to release position, gear that This is separately.Thus, when making supply unit move to release position, it is not necessary to for by this supply unit And the clutch operating etc. linking releasing between electro-motor 95.Further, since should be from Clutch, so breakage will not be caused because forgetting cut-off clutch.

It addition, as described above excessively, the fertilizer applicator 8x of present embodiment possesses two in left and right Individual supply unit.The driving input gear 56 that each supply unit is possessed can be with driving output gear 51 It is meshed.

Two supply units are separately provided for the driving force accepting to carry out self-driven output gear 51 Driving input gear 56, thus, it is possible to from one drive output gear 51 to each supply unit Transmission driving force.Therefore, there is no need to the link for transmitting driving force between multiple supply units Mechanism.It addition, also without the operation of this link mechanism of releasing, from without because forgetting releasing This link mechanism and cause breakage.

It addition, as described above, in the fertilizer applicator 8x of present embodiment, drive output gear The driving source of 51 is electro-motor 95.

For example, it is also possible to the driving force of consideration electromotor drives fertilizer applicator 8x, but in these feelings Under condition, need to arrange the transmission machine that driving force is delivered to drive output gear 51 from this electromotor Structure, thus, reduce the configuration degree of freedom of this driving output gear 51.In this, as Upper the most described, by using electro-motor 95 as the driving source of fertilizer applicator 8x, with electromotor Compare, it is possible to this driving is derived from by configuring, drive output gear 51 thus it is possible to improve Configuration degree of freedom.

It addition, as described above excessively, the fertilizer applicator 8x of present embodiment has following structure. That is, transport portion 36 possesses, and approximates funnelform introduction part 106, is configured to approximate tubulose Interface channel 107, transporting tube 108 and cleaning component 101.Fertilizer from supply unit is supplied It is given to introduction part 106.Interface channel 107 is connected the bottom of introduction part 106.Transport Pipe 108 is connected with interface channel 107, is transported on ground by fertilizer.Clean component 101 quilt It is configured to, can rotate around the axis of this interface channel 107 in the inside of interface channel 107.

As it has been described above, by arranging cleaning component 101, it is possible to the inside to interface channel 107 Clean, thus, it is possible to pile up attachment in preventing this interface channel 107.

It addition, as described above excessively, in the fertilizer applicator 8x of present embodiment, clean component 101 are made up of wire rod.

So, it is made up of wire rod owing to cleaning component 101, so, clean component 101 even The space occupied in connecting road 107 is the least.Therefore, in this interface channel 107, fertilizer is transported During material, cleaning component 101 will not be in the way.

Below, with reference to Figure 22, the variation of above-mentioned embodiment is illustrated.

Variation shown in Figure 22 (A) is configured to, and makes the cleaning component 101 can be along connection The axis direction of passage 107 moves back and forth.So, by making cleaning component 101 logical in connection In road 107 back and forth, it is possible to clean in interface channel 107.

In the variation of Figure 22 (A), use and make the operating portion 103 can be along interface channel 107 The structure slided of axis direction (fore-and-aft direction).Thus, operator is by by operating portion 103 Move forwards, backwards, it is possible to make the cleaning component 101 in interface channel 107 along this interface channel 107 Axis move back and forth.It addition, in the variation of Figure 22 (A), at operating portion 103 with empty Between gas supply pipe 94, it is configured with the force application component 104 being configured to collapse coil spring.By This, operating portion 103 has been applied in the power it pushed away toward front (left side of Figure 22).Therefore, Operator, by rearward (right side of Figure 22) bulldozing operation portion 103, then releases this pushing, Just cleaning component 101 can be made to move back and forth in the inside of interface channel 107.

Variation shown in Figure 22 (b) is, utilizes wind produced by blower 93 to make connection lead to Road 107 rotates automatically.Specifically, as shown in Figure 22 (b), extension 102 sets It is equipped with portion 105 windward.Portion 105 is configured in the inside of air supply pipe 94 windward.Portion windward 105 have and can meet by the shape of the air of flowing in air supply pipe 94, and are fixed on and prolong In extending portion 102.Air-flow produced by blower 93 is fed into air supply pipe 94, This airflow function is in portion 105 windward, it is possible to make extension 102 rotate about the axis.

Thus, the effect of air-flow produced by blower 93 is utilized, it is possible to make cleaning component 101 Rotate in interface channel 107.During blower 93 supplies air-flow, clean component 101 Persistently rotate.That is, can automatically and continuously clean due to cleaning component 101, so, Cleaning can be always maintained at such that it is able to conscientiously prevent this interface channel 107 in interface channel 107 Middle accumulation attachment.Further, in the variation of this Figure 22 (b), in order to make cleaning component 101 Rotate and make use of the wind of blower 93, accordingly, it is not necessary to separately set for making cleaning component 101 The driving source rotated such that it is able to simplify the structure of fertilizer applicator 8x.

Above, the second embodiment and variation are illustrated, but such as to said structure Can also change as follows.

In above-mentioned embodiment, fertilizer drawing mechanism 9x is configured to, at discoideus discharge port plate The most through multiple discharge opening 28b it is provided with, to this discharge port plate 28x on 28x It is driven and makes it rotate around rotary shaft 45x configured approximately along vertical direction.But, fertile The structure of material drawing mechanism 9x is not limited to this, as long as fertilizer is gradually sent by ormal weight Structure.Such as, fertilizer drawing mechanism 9x can also be configured to, in columned discharging Cylinder arranges multiple discharge opening, is driven making it around approximately along level to this discharging cylinder The rotary shaft of direction configuration rotates.

In above-mentioned embodiment, when the supply unit of left and right is " job state " (Figure 15 and Figure 16), The driving input gear 56L on the left side, the driving input gear 56R on the right are configured at axis Adjoin side by side on direction, but may be not necessarily limited to this.Mainly, the driving input gear on the left side 56L, the driving input gear 56R on the right can drive output gear 51 phase to nibble with one simultaneously Close, it is not necessary to the driving input gear 56L on the necessary left side and the driving input gear on the right 56R axis is consistent.

The fertilizer applicator 8x of above-mentioned embodiment is for spreading the fertilizer of four row, the supply unit of left and right It is configured to, is supplied respectively to the fertilizer of two row, but is not limited to this.Such as, as distribution The fertilizer applicator 8x of the fertilizer of six row, the supply unit of left and right can also be configured to, be supplied respectively to The fertilizer of three row.And, the supply unit of left and right there is no need to supply the fertilizer of same number of rows. Such as, the fertilizer applicator 8 of the fertilizer spreading six row can be configured to, the supply unit supply on the left side The fertilizer of four row；The supply unit on the right supplies the fertilizer of two row.

The structure of the present invention is not limited to fertilizer applicator, it is possible to be widely used in granule (granule The solids of shape) spread to ground granule dissemination apparatus.

Below, third embodiment of the present invention is illustrated.Figure 23 is the 3 of the present invention The side view of the rice transplanter 1x involved by embodiment.As shown in figure 23, rice transplanter 1x is by car Body 2 and be arranged in the plantation portion 3 at this car body 2 rear and constitute.

The rice transplanter 1x of present embodiment is configured to plant the rice transplanter of four row, such as Figure 24 institute Show possess the planter units 90 of four row of arrangement on car body left and right directions.

Rice shoot placement platform 17 has the storing face 17b that can put blanket appearance seedling.Storing face 17b Towards oblique back upper place.It addition, the upper end 17A of rice shoot placement platform 17 is towards oblique front upper place.

It addition, be provided with the fertilizer applicator 8x for being spread to by fertilizer on field on car body 2. Fertilizer applicator 8x mainly includes, puts the fertilizer hopper 27x of the fertilizer of solid particle body shape, general Fertilizer drawing mechanism 9x that fertilizer in fertilizer hopper 27x is gradually sent by ormal weight and will be by The fertilizer sent is transported to ground transporting tube 108.

Fertilizer hopper 27x as shown in Figure 23 and Figure 24, be configured in car body fore-and-aft direction, On position between driver's seat 6 and rice shoot placement platform 17.As shown in figure 25, fertilizer hopper 27x Possess hopper main body 87 and cap 88.Hopper main body 87 is configured to the appearance of its opened upper end Device, fertilizer can be put in the inside of this hopper main body 87.

Cap 88 is configured to be covered with the opened portion on hopper main body 87 top.It addition, at lid The upper surface in portion 88 and be the middle part 88A of car body fore-and-aft direction, posts and such as recites Remarks explanation joint strip (omitting diagram) of the control method etc. of the fertilizer dispersion volume of fertilizer applicator 8x.

As shown in figure 25, cap 88 is linked with hopper main body 87 by hinge 115.Lid Portion 88 can rotate centered by hinge 115.This hinge 115 is arranged on hopper main body On wall on rear side of in the of 87.By making cap 88 side rotation backward centered by hinge 115, The opened portion that can make hopper main body 87 becomes opening-wide state (state of Figure 27).

As shown in figure 25, the bottom of hopper main body 87 becomes, and is formed the thinnest Funnelform channel part 89.Further, the bottom of this channel part 89 is connected to fertilizer discharging dress Put the top of 9x.It addition, in present embodiment, a fertilizer hopper 27x is configured to Put the fertilizer of two row.As shown in figure 26, the bottom of hopper main body 87 is divided into Liang Ge branch, Form two channel parts 89.Further, each channel part 89 is connected to fertilizer drawing mechanism 9x.By This, it is possible to supply fertilizer with a fertilizer hopper 27x to two fertilizer drawing mechanism 9x.It addition, The rice transplanter of present embodiment is four row plantations, thus, fertilizer applicator 8x possesses can spread four row use Four fertilizer drawing mechanism 9x of fertilizer.Therefore, the fertilizer applicator 8x of present embodiment possesses As shown in figure 26, two fertilizer hopper 27x of arrangement on car body left and right directions.

Fertilizer drawing mechanism 9x is configured to, and will supply via channel part 89 from fertilizer hopper 27x The fertilizer given the most gradually is sent and is supplied to transporting tube 108.Transporting tube 108 is to have to stretch The tubular element of contracting, its front end is formed with distribution mouth 109.As shown in figure 23, mouth 109 is spread It is arranged to close with ground.

Based on above structure, the fertilizer in fertilizer hopper 27x by fertilizer drawing mechanism 9x by regulation After amount is gradually sent, transporting tube 108 it is transported to spread mouth 109, and is released on ground.

But, generally, fertilizer is that the state being installed in bag with fertilizer is fed into city On field.Therefore, by time in fertilizers input to fertilizer hopper 27x, carried out following operation in the past. I.e., first, operator is punching equipped with on the bag with fertilizer of fertilizer.It follows that operator will open The bag with fertilizer of the state in hole lifts the higher position of peristome than fertilizer hopper 27x.Then, Above-mentioned bag with fertilizer is tilted by operator, by aforesaid hole by fertilizers input to fertilizer hopper 27x In.But, owing to bag with fertilizer is heavier, so the operation to fertilizer hopper 27x supply fertilizer is Heavy work, bears bigger for operator.Further it is necessary to opened the shape in hole at bag with fertilizer Under state, this bag with fertilizer is lifted, so there will be the situation that fertilizer scatters.

Then, in present embodiment, as shown in figure 27, in the inside of hopper main body 87 It is provided with the bag with fertilizer platform 116 substantially horizontally configured.Bag with fertilizer platform 116 is configured to Make the fertilizer of solid particle body shape down through lattice-shaped.Based on this structure, to fertilizer hopper When 27x supplies fertilizer, bag with fertilizer 117 can be placed on bag with fertilizer platform 116 (figure by operator The state of 27).Thus, by time in the fertilizers input in bag with fertilizer 117 to hopper main body 87, Operator just need not support bag with fertilizer 117.Fertilizer supply operation is carried out therefore, it is possible to alleviate Time operator burden.

Further, the fertilizer hopper 27x of present embodiment is provided with, at bag with fertilizer platform The mechanism that punches punched on the bag with fertilizer 117 put on 116.In present embodiment, hole-making machine Structure is the thin seam 118 being located on the wall of hopper main body 87.This carefully stitches 118 and is formed, right The adjacent bottom portions of the bag with fertilizer put on bag with fertilizer platform 116.Then, by outside hopper Cutter 110 grade is inserted in thin seam 118 (Figure 28) by side, just can be seated in bag with fertilizer platform 116 On bag with fertilizer 117 on punch.So, it is configured in fertilizer hopper 27x at bag with fertilizer 117 Inside state (being seated in the state on bag with fertilizer platform 116) under, at this bag with fertilizer 117 On punch, just can prevent fertilizer from scattering.

It addition, in the fertilizer hopper 27x of present embodiment, above-mentioned thin seam 118 be formed on by On the containment member 119 that rubber is made.So, in thin seam 118, it is not inserted into cutter 110 grade Under state, because of the elastic force of rubber, described thin seam 118 is closed mode.Thereby, it is possible to prevent Fertilizer in fertilizer hopper 27x is drained to the situation of outside and occurs by described thin seam 118.

It follows that the rain cover portion 145 being possessed the fertilizer hopper 27x of present embodiment is carried out Explanation.

When supplying fertilizer in fertilizer hopper 27x, it is necessary to cap 88 is opened (by hopper master The peristome on body 87 top opens wide).Therefore, when carrying out fertilizer supply rainy day, rainwater has can Can invade in fertilizer hopper 27x.If rainwater invades in fertilizer hopper 27x, then can go out Now the fertilizer in this fertilizer hopper 27x dissolves and hardens, thus cannot spread this fertilizer Such problem.

To this, the fertilizer hopper 27x of present embodiment possesses rain cover portion 145.Rain cover portion 145 It is the component of the approximate slab shape with a certain degree of rigidity, the material of impermeable rainwater (closes Resin etc.) constitute.As shown in figure 25, rain cover portion 145 be attached at cap 88 and The end of the side that hinge 115 is contrary.

As shown in figure 25, when car body left and right directions is seen, big between rain cover portion 145 and cap 88 Cause at right angles to connect.Therefore, (make cap 88 generally upstanding in the state opening cap 88 State, the state of Figure 27) under, described rain cover portion 145 becomes substantially horizontally towards front The state stretched out.Thus, when opening cap 88, rain cover portion 145 is configured to facing to hopper The peristome of main body 87.

By rain cover portion 145 provided as described above, opening state (Figure 27 of cap 88 State) under, rain cover portion 145 becomes the shape of the top of the peristome being covered with hopper main body 87 State.Thus, even if opening cap 88 on rainy day, it is also possible to catch rainwater with rain cover portion 145, Thus it is possible to prevent this rainwater from falling in hopper main body 87.Therefore, also be able on rainy day right Fertilizer hopper 27x carries out fertilizer supply.

On the other hand, when cap 88 is closed, rain cover portion 145 becomes along hopper master The state (state of Figure 25) of the front surface configuration of body 87.Therefore, as long as cap 88 quilt The state closed, would not be in the way in rain cover portion 145.

It addition, in the case of non-rainfall, rain cover portion 145 when fertilizer hopper 27x supplies fertilizer It is in the way sometimes.It is therefore advantageous to be, rain cover portion 145 can be disassembled maybe can keep out of the way.Such as Figure 27 Shown in, the rain cover portion 145 of present embodiment is linked with cap 88 by hinge 147.So, When opening cap 88, by making rain cover portion 145 centered by described hinge 147 Rotate, it is possible to make this rain cover portion 145 swing to rear (state of Figure 28).So, do not dropping In the case of rain, rain cover portion 145 can be made to keep out of the way, so that it has no relations when fertilizer supplies.

It addition, in present embodiment, be provided with the gap between cap 88 and rain cover portion 145 The containment member 148 covered.Containment member 148 e.g. has the plastic thin of retractility Sheet element, the end being configured to hinge 147 side from rain cover portion 145 is cross over cap 88 The end of hinge 147 side.It is arranged such containment member 148, rainwater just can be prevented from lid Gap between portion 88 and rain cover portion 145 invades.

It follows that the rice shoot supply assisted parts 121 being possessed the rice transplanter of present embodiment enters Row explanation.

In the case of the blanket appearance seedling put in rice shoot placement platform 17 is remaining few, operator will be by The preparation blanket appearance seedling put in the seedling box (omitting diagram) put on preparation rice shoot platform 111 It is supplied to rice shoot placement platform 17.Now, operator needs in seedling box by rice shoot withdrawing plate Preparation blanket appearance seedling gets and is transported in rice shoot placement platform 17.But, owing to being placed with this The rice shoot withdrawing plate of blanket appearance seedling is heavier, so, for operator, this rice shoot is taken out The operation burden that plate is transported in rice shoot placement platform 17 is bigger.

Then, in the rice transplanter 1x of present embodiment, as shown in Figure 23 waits, at car body Before and after 2 on position between driver's seat 6 and the rice shoot placement platform 17 in direction, being provided with can Temporarily put the rice shoot supply assisted parts 121 of (temporarily placing) rice shoot withdrawing plate.

By so arranging rice shoot supply assisted parts 121, rice shoot withdrawing plate is being carried by operator In the way of rice shoot placement platform 17, it is possible to this rice shoot withdrawing plate is temporarily placed at driver's seat 6 And between rice shoot placement platform 17.Thus, operator's energy in the operation way of carrying rice shoot withdrawing plate Enough timeouts are for a moment such that it is able to alleviate the burden of operator.

Below, the most specifically illustrate.In present embodiment, rice shoot supply assisted parts 121 are made up of cap 88 and the protuberance 122 (aftermentioned) of fertilizer hopper 27x.Further, The rice shoot supply assisted parts 121 of present embodiment is configured to as shown in figure 29, fertilizer material The upper surface of the cap 88 of bucket 27x can put the rice shoot withdrawing plate 99 being loaded with blanket appearance seedling 112.

As described above, fertilizer hopper 27x is between driver's seat 6 and rice shoot placement platform 17. Therefore, by as described above, make to put rice shoot withdrawing plate 99 on fertilizer hopper 27x, This rice shoot withdrawing plate 99 can be temporarily placed in driver's seat 6 and rice shoot placement platform 17 and between.

So, the rice shoot supply assisted parts 121 of present embodiment is configured to, at fertilizer hopper The upper surface of the cap 88 of 27x puts rice shoot withdrawing plate 99, therefore, it is not necessary to additionally arrange For the interim platform placing this rice shoot withdrawing plate 99.Thereby, it is possible to simplify rice shoot supply assisted parts The structure of 121, prevents the cost of rice transplanter 1x from rising.

It addition, in conventional rice transplanter, the cap 88 of fertilizer hopper 27x is placed rice shoot and takes Ejecting plate 99 is not impossible.But, as shown in figure 27, the cap 88 of fertilizer hopper 27x Upper surface be not necessarily plane, but bending.Therefore, it cannot be said that fertilizer hopper 27x The upper surface of cap 88 is suitable for putting the place of rice shoot withdrawing plate 99.

Therefore, in conventional rice transplanter, even if rice shoot withdrawing plate 99 is placed on fertilizer hopper Also being unstable on the cap 88 of 27x, this rice shoot withdrawing plate 99 likely can fall.Separately Outward, as described above, the middle part 88A of the upper surface of the cap 88 of fertilizer hopper 27x Post remarks explanation joint strip (omitting diagram).Thus, it is supposed that the upper surface at cap 88 is direct Placing rice shoot withdrawing plate 99, the most described remarks explanation joint strip can be scratched or be peeled off, thus be occurred The problem that cannot read described remarks record.

To this, the rice shoot supply assisted parts 121 of present embodiment is on the top of fertilizer hopper 27x There is the protuberance 122 raised up.As shown in figure 25, the upper end of protuberance 122 is formed For, the upper surface projection more up of the cap 88 than fertilizer hopper 27x.It addition, such as Figure 27 Shown in Deng, in present embodiment, protuberance 122 forms as one with the upper surface of cap 88.

It addition, protuberance 122 is formed on, before and after fertilizer hopper 27x on direction, lean on After position on.As shown in figure 25, when car body left and right directions is seen, the front end of protuberance 122 (upper end) is in circular shape.It addition, as shown in figure 25, when car body left and right directions is seen, prominent This cap is not disturbed in the common wiring 123 going out the upper surface in portion 122 and the upper surface of cap 88 The middle part 88A in direction before and after the upper surface of 88.

It addition, as shown in Figure 24 and Figure 26, protuberance 122 is formed as along car body left and right directions Elongate.It addition, as shown in figure 26, protuberance 122 is formed, and occupies cap 88 The most whole width of car body left and right directions.

As described above, owing to being provided with prominent at the upper surface of the cap 88 of fertilizer hopper 27x Portion 122, so, when rice shoot withdrawing plate 99 being seated on this cap 88, cap 88 upper The upper surface of surface and protuberance 122 bottom surface with rice shoot withdrawing plate 99 respectively contacts (Figure 29). Thereby, it is possible to utilize the upper surface of cap 88 and the upper surface of protuberance 122 to support seedling from below Seedling withdrawing plate 99.Therefore, it is possible to using cap 88 and protuberance 122 as supporting part.

As shown in figure 29, in terms of car body left and right directions, the upper table of the cap 88 of present embodiment Towards bending with protruding above.Therefore, the upper surface of cap 88 and the bottom surface of rice shoot withdrawing plate 99 Can only contact at car body fore-and-aft direction a position.Therefore, without protuberance 122 If, the rice shoot withdrawing plate 99 that the upper surface of cap 88 is put is only at one of fore-and-aft direction Position is supported, can be highly unstable, it is possible to can fall from cap 88.

In this, in the rice shoot of present embodiment supply assisted parts 121, as mentioned above that Sample, is provided with the protuberance 122 highlighted from the upper surface of cap 88, thus, it is possible to use cap The upper surface of 88 and the upper surface of protuberance 122 support rice shoot from the two of fore-and-aft direction positions and take Ejecting plate 99.More specifically, the upper surface of the front side partes tegmentalis 88 of rice shoot withdrawing plate 99 supports； The rear side of rice shoot withdrawing plate 99 is supported by the upper surface of protuberance 122.So, due to front and back Two positions in direction stably support rice shoot withdrawing plate 99, thus it is possible to prevent this rice shoot Withdrawing plate 99 falls from cap 88.

It addition, as described above, in the rice shoot supply assisted parts 121 of present embodiment, by The middle part 88A of cap 88 is not disturbed in aforesaid wiring 123, so, rice shoot withdrawing plate 99 when being seated on cap 88, as shown in figure 29, becomes this rice shoot withdrawing plate 99 The state that bottom surface floats from the middle part 88A of cap 88.Thus, rice shoot withdrawing plate 99 is not The remarks explanation joint strip posted on the middle part 88A of the upper surface of contact cap 88 (omits Diagram), thus, it is possible to prevent these remarks explanation joint strip from being scratched or peeling off.

It follows that to the state after as described above rice shoot withdrawing plate 99 temporarily being placed, The operation that blanket appearance seedling 112 is supplied to rice shoot placement platform 17 is illustrated.

After rice shoot withdrawing plate 99 being temporarily placed on fertilizer hopper 27x, by blanket appearance seedling During 112 supply rice shoot placement platform 17, operator as shown in figure 30, lifts described rice shoot The leading section of withdrawing plate 99.Thus, as shown in the arrow of Figure 30, rice shoot withdrawing plate 99 Rotate centered by protuberance 122.So, protuberance 122 can become and makes rice shoot withdrawing plate Fulcrum during 99 rotation.Therefore, the protuberance 122 of present embodiment can also be treated as rotating Fulcrum.

Especially, in present embodiment, pivot point portion (protuberance 122) is arranged in fertilizer Before and after the cap 88 of material hopper 27x on direction on rearward position.Therefore, rice shoot is made to take out When plate 99 rotates centered by protuberance 122, the front end 99A of this rice shoot withdrawing plate 99 forwards to The rear side (rice shoot placement platform 17 side) (Figure 30) of fertilizer hopper 27x.So, based on this reality Execute the structure of mode, it is possible to make rice shoot withdrawing plate 99 stride across fertilizer hopper 27x and move.Thus, Operator can cross fertilizer hopper 27x, simply to rice shoot placement platform 17 from driver's seat 6 side Supply blanket appearance seedling 112.

It addition, while operator makes rice shoot withdrawing plate 99 rotate as described above, it is possible to make This rice shoot withdrawing plate 99 is slided along car body fore-and-aft direction (left and right directions of Figure 30).It addition, Under the state (state of Figure 30) lifted the leading section of rice shoot withdrawing plate 99, this rice shoot takes Ejecting plate 99 becomes the state only supported by the upper surface of protuberance 122.Due to protuberance 122 Upper surface be circular arc, so, be " line " between this protuberance 122 and rice shoot withdrawing plate 99 Contact, contact area between the two is less.Therefore, rubbing when making rice shoot withdrawing plate 99 slide Wiping resistance diminishes.Therefore, operator can make rice shoot withdrawing plate 99 smooth along car body fore-and-aft direction Ground slides.

As described above, operator is by making rice shoot withdrawing plate 99 centered by protuberance 122 Rotate, and slide forwards, backwards, it is possible to make the front end 99A of this rice shoot withdrawing plate 99 be directed at rice shoot The position of the upper end 17A of placement platform 17.

So, the structure of rice shoot based on embodiment supply assisted parts 121, operator can While support the weight of rice shoot withdrawing plate 99 with protuberance 122, make this rice shoot withdrawing plate The position of 99 alignment rice shoot placement platforms 17.Thus, operator can carry out upper rheme simply Put alignment, and the burden of operator can be alleviated.

Further, operator is by the front end 99A of rice shoot withdrawing plate 99 and rice shoot placement platform 17 Upper end 17A targeted by under the state (the such as state shown in Figure 30) of position aptly, will The blanket appearance seedling 112 that this rice shoot withdrawing plate 99 is loaded with is supplied to rice shoot placement platform 17.So, Owing to being when rice shoot withdrawing plate 99 targeted by position with rice shoot placement platform 17, to this Rice shoot placement platform 17 supplies blanket appearance seedling 112, thus it is possible to supply exactly.

It addition, as described above, plantation portion 3 can the oscilaltion by driving.Then, entering Row, when rice shoot placement platform 17 supplies the operation of blanket appearance seedling 112, preferably, makes rice shoot put The upper end 17A of platform 17 is positioned at the position (figure lower than the upper end of protuberance (supporting part) 52 The state of 29) like that, it is pre-adjusted the upper-lower position in plantation portion 3.Thus, rice shoot withdrawing plate When the front end 99A of the 99 and upper end 17A of rice shoot placement platform 17 targeted by position, rice shoot takes out The front end 99A of plate 99 is state (state shown in Figure 30) down.Therefore, it is possible to from This state, makes the blanket appearance seedling 112 that this rice shoot withdrawing plate 99 is loaded with to rice shoot placement platform 17 Landing.Thereby, it is possible to simply blanket appearance seedling 112 is supplied to rice shoot placement platform 17.

As described above excessively, the rice transplanter 1x of present embodiment possesses car body 2, plantation portion 3 and rice shoot supply assisted parts 121.Car body 2 possesses driver's seat 6.Plantation portion 3 have for Put the rice shoot placement platform 17 of blanket appearance seedling 112, be positioned at the rear of car body 2.Rice shoot supply is auxiliary Help the position between driver's seat 6 and the rice shoot placement platform 17 in direction before and after car body 2, portion 121 Put, it is possible to put the rice shoot withdrawing plate 99 of the approximation tabular being loaded with blanket appearance seedling 112.Rice shoot supplies Protuberance 122 is possessed to assisted parts.Protuberance 122 has as the seedling carried from lower support The function of the supporting part of Seedling withdrawing plate 99.Make by this protuberance it addition, protuberance 122 has both Rice shoot withdrawing plate 99 under 122 states supported becomes the merit in the pivot point portion of fulcrum when rotating Energy.

So, by making put between driver's seat 6 and rice shoot placement platform 17 rice shoot withdrawing plate 99, the burden of the operator carrying out blanket appearance seedling 112 supply can be alleviated.Further, by making Rice shoot withdrawing plate 99 under the state supported by protuberance 122 rotates, it is possible to make this rice shoot take out Plate 99 tilts towards rice shoot placement platform 17, thus, it is possible to easily to this rice shoot placement platform 17 Supply blanket appearance seedling 112.

It addition, as described above excessively, in the rice transplanter 1x of present embodiment, plantation portion 3 It is configured to, can the oscilaltion by driving.Thereby, it is possible to by the upper end of rice shoot placement platform 17 17A is reduced to the position lower than the upper surface of protuberance 122.

So, by rice shoot placement platform 17 is reduced to the position lower than protuberance 122, energy Make blanket appearance seedling 112 towards this rice shoot placement platform 17 landing.Thereby, it is possible to simply to rice shoot Placement platform 17 supplies blanket appearance seedling 112.

It addition, as described above excessively, in the rice transplanter 1x of present embodiment, rice shoot supply Assisted parts 121 possesses the protuberance 122 raised up.Further, protuberance 122 doubles as institute State supporting part and described pivot point portion.

So, while rice shoot withdrawing plate 99 being supported with the protuberance 122 raised up, also Rice shoot withdrawing plate 99 can be made to rotate with the front end of this protuberance 122 for fulcrum.Thereby, it is possible to Simple structure realizes rice shoot supply assisted parts 121.

It addition, as described above excessively, the rice transplanter 1x of present embodiment is at driver's seat 6 And possess the fertilizer hopper 27x putting fertilizer between rice shoot placement platform 17.Protuberance 122 upper End is arranged in the higher position of upper surface of the cap 88 than fertilizer hopper 27x.About car body When direction is seen, the common wiring 123 of the upper surface of the upper surface of protuberance 122 and cap 88 Do not disturb the middle part 88A in direction before and after the upper surface of this cap 88.Rice shoot supply auxiliary Portion 121 is taken out from lower support rice shoot by the upper surface of protuberance 122 and the upper surface of cap 88 Plate 99.

Based on this structure, the rice shoot withdrawing plate 99 pars intermedia from the upper surface of cap 88 can be made Rice shoot withdrawing plate 99 is stably supported under the state that position 88A floats.

It addition, as described above excessively, in the rice transplanter 1x of present embodiment, protuberance 122 centres being located at before and after car body 2 cap 88 on direction than described fertilizer hopper 27x Position 88A position more posteriorly.

Therefore, it is possible to easily cross fertilizer hopper 27x by blanket appearance seedling 112 from driver's seat 6 side It is supplied to rice shoot placement platform 17.

It addition, as described above excessively, in the rice transplanter 1x of present embodiment, fertilizer hopper The rearward end of the cap 88 of 27x is rotatably connected to hopper main body 87 by hinge 115 On.It is provided with on the leading section of cap 88, under the state that this cap 88 is closed, is covered with material The rain cover portion 145 of the front surface of bucket main body 87.

By so arranging rain cover portion 145, when opening cap 88, rain cover portion 145 become from Top is covered with the state of the peristome of hopper main body 87.Thus, even if opening cap in the rainy day 88, it is also possible to prevent rainwater from falling in hopper main body 87.It addition, after cap 88 is closed Under state, owing to rain cover portion 145 becomes the state of the front surface being covered with hopper main body 87, institute With, will not be in the way in this rain cover portion 145.

It addition, as described above excessively, in the rice transplanter 1x of present embodiment, rain cover portion 145 can rotate relative to cap 88.

By making rain cover portion 145 rotate, it is possible to make rain cover portion 145 keep out of the way out of the way position. Thus, when carrying out operation during non-rainfall, will not be in the way in rain cover portion 145.

It follows that with reference to Figure 31 to Figure 34, the variation of the 3rd embodiment is illustrated.

In this variation, rice shoot supply assisted parts 121 has roller member 124, above-mentioned to replace The protuberance 122 of the 3rd embodiment.

This roller member 124 as shown in figure 31, is arranged in the upper surface of cap 88.Roller portion Part 124 is configured to, it is possible to revolve centered by the rotary shaft 125 being parallel to car body left and right directions Turn.It addition, this rotary shaft 125 is supported by cap 88.It addition, rotary shaft 125 is formed on Before and after fertilizer hopper 27x on direction on rearward position.As shown in figure 31, about car body When direction is seen, the common wiring of the upper surface of the upside of the side face of roller member 124 and cap 88 The middle part 88A in direction before and after 123 upper surfaces not disturbing this cap 88.

As described above, in this variation, replace protuberance 122, and at fertilizer hopper 27x The upper surface of cap 88 be provided with roller member 124.In this variation, on fertilizer hopper 27x It also is able to put rice shoot withdrawing plate 99.This situation is as shown in figure 33.I.e., as shown in figure 33 that Sample, the side face of roller member 124 and the upper surface of cap 88 can be from lower support rice shoot withdrawing plates 99.Therefore, in this variation, roller member 124 and cap 88 can become supporting part.

Figure 34 illustrates that the state from Figure 33 lifts the situation of the leading section of rice shoot withdrawing plate 99.As Shown in Figure 34, rice shoot withdrawing plate 99 is when by roller member 124 from lower support, with this Rotate centered by the rotary shaft 125 of roller member 124.So, in this variation, due to roller portion Part 124 can rotate, thus it is possible to make the rice shoot withdrawing plate 99 supported by this roller member 124 Easily rotate centered by rotary shaft 125.Therefore, in present embodiment, roller member 124 Rotary shaft 125 can become pivot point portion.

It addition, in this variation, owing to supporting rice shoot withdrawing plate with rotatable roller member 124 99, thus it is possible to make this rice shoot withdrawing plate 99 along the car body fore-and-aft direction (right and left of Figure 34 To) successfully slide.

As described above, in this variation, it is possible to rotatable roller member 124 Support rice shoot withdrawing plate 99, makes this rice shoot withdrawing plate 99 rotate and slide.Thereby, it is possible to Successfully carry out between the front end 99A of rice shoot withdrawing plate 99 and the upper end 17A of rice shoot placement platform 17 Position alignment.

As described above excessively, in above-mentioned variation, have can for rice shoot supply assisted parts 121 The roller member 124 rotated.The side face of this roller member 124 plays the function of supporting part.It addition, The rotary shaft 125 of roller member 124 plays the function in pivot point portion.

So, it is also possible to support rice shoot withdrawing plate 99 with the side face of roller member 124.It addition, The rice shoot withdrawing plate 99 supported by this roller member 124 can be made to revolve centered by rotary shaft 125 Turn.Further, since roller member 124 is rotatable, thus it is possible to make simply by this roller member 124 The rice shoot withdrawing plate 99 supported is slided.

It follows that with reference to Figure 35 to Figure 37, the 4th embodiment of the present invention is illustrated.

The 4th embodiment shown in Figure 35 is, is provided with lid component on fertilizer hopper 27x 132。

Lid component 132 is configured to, and is covered with the upper surface of cap 88.Lid component 132 is to have The thin plate-like member of certain rigidity, for example, it is possible to constitute with metallic plate.Lid component 132 is by structure Become, gapless state can be close to into the upper surface of cap 88.It addition, such as the above-mentioned 3rd Embodiment illustrating, the upper surface of cap 88 bends protruding upwardly like that.To this, as As shown in Figure 35, lid component 132 is formed, protruding upward along the upper surface of cap 88 Ground bending.Thereby, it is possible to make the upper surface of lid component 132 and cap 88 be close to.

Lid component 132 is installed in hopper master by rotary shaft (lid component rotary shaft) 133 On body 87.This rotary shaft 133 is configured in the back side (face backwards) of hopper main body 87.Separately Outward, this rotary shaft 133 is arranged to parallel with car body left and right directions.Lid component 132 is configured For, it is possible to rotate around above-mentioned rotary shaft 133.By make lid component 132 around rotary shaft 133 to Rear rotates, it is possible to make the upper surface of cap 88 expose.

It follows that the effect after lid component 132 provided as described above is illustrated.

I.e., as described above, the upper surface at the cap 88 of fertilizer hopper 27x posts remarks and says Bright joint strip (omits diagram).But, these remarks explanation joint strip is likely stained with mud etc. and is dirty Or peel off.Therefore, after rice transplanter 1x persistently uses, remarks explanation joint strip becomes to be difficult to read gradually Look at.

To this, the rice transplanter of the 4th embodiment as described above, is provided with cap 88 Upper surface cover lid component 132.Thus, the upper surface of cap 88 just will not be dirty, Or by scraped finish such that it is able to prevent remarks explanation joint strip to be dirty or peel off.Therefore, it is possible to often Maintain the state of remarks explanation joint strip readability year.

It addition, in present embodiment, as described above, lid component 132 is formed as, energy Enough it is close to the upper surface of cap 88.Therefore, muddy water, dust be just not easy to invade cap 88 with Between lid component 132.Thus, the upper surface of cap 88 is more difficult to be dirty.

It addition, when fertilizer hopper 27x supplies fertilizer, it is necessary to open cap 88.In these feelings Under condition, operator makes lid component 132 make cap 88 expose it around rotary shaft 133 back rotation After, this cap 88 is opened.Further, after the supply of fertilizer terminates, by inciting somebody to action While cap 88 is closed, lid component 132 is made to return to original position, and with this lid component Cap 88 is covered by 132.It addition, in the remarks explanation confirming that the upper surface of cap 88 posts During joint strip (omitting diagram), operator makes lid component 132 rearward rotate and make cap 88 Upper surface expose.Then, after confirming complete note explanation joint strip, operator is by making Lid component 132 returns to original position, and is covered by cap 88 with this lid component 132.

So, owing to lid component 132 to be configured to rotate around rotary shaft 133, so, Make this lid component 132 rotate just and can easily expose cap 88.Thereby, it is possible to the most when needed Make cap 88 expose, and cover this cap 88 with lid component 132 At All Other Times, thus, energy Conscientiously the upper surface preventing cap 88 is dirty.

It follows that the structure that the rice shoot in the 4th embodiment supplies assisted parts 131 is carried out Explanation.

The rice shoot supply assisted parts 131 of the 4th embodiment has aforesaid lid component 132.And And, the rice shoot supply assisted parts 131 of the 4th embodiment is configured to, energy on lid component 132 Enough place rice shoot withdrawing plate 99 (Figure 36).

It addition, as described above, the lid component 132 of present embodiment is formed to raise up Bending.Therefore, even if directly placing rice shoot on this forniciform lid component 132 and taking out Plate 99, can not stably support this rice shoot withdrawing plate 99.Then, the seedling of the 4th embodiment In Seedling supply assisted parts 131, the upper surface at lid component 132 is provided with the protuberance raised up 134。

This protuberance 134, as the protuberance 122 of the 3rd embodiment, is formed at fertilizer material Before and after bucket 27x on the rearward position in direction.As shown in figure 35, see at car body left and right directions Time, the front end (upper end) of protuberance 122 is in circular shape.It addition, protuberance 134 and As the protuberance 122 of three embodiments, be formed as elongate along car body left and right directions and (omit Diagram).It addition, protuberance 134 is formed, occupy left and right directions several of lid component 132 Whole width (omits diagram).It addition, the protuberance 134 of present embodiment and lid component 132 form as one.

In the rice shoot supply assisted parts 131 of the 4th embodiment constituted as described above, as Shown in Figure 36, it is possible to the upper surface of use protuberance 134 and the upper surface of lid component 132 are from lower Support rice shoot withdrawing plate 99.Therefore, in the 4th embodiment, protuberance 134 and lid component 132 Supporting part can be become.

It addition, in the 4th embodiment, also as the 3rd embodiment, can be by from figure The anterior end of rice shoot withdrawing plate 99 is lifted by the state of 36, and make this rice shoot withdrawing plate 99 with Protuberance 134 rotates (omitting diagram) for fulcrum.In the case, protuberance 134 can become For pivot point portion.

It addition, in present embodiment, owing to lid component 132 is configured to, can be with rotary shaft 133 Centered by rotate, so, rice shoot withdrawing plate 99 is placed into lid component 132 (and protuberance 134) Time upper, as shown in figure 37, it is possible to make rice shoot withdrawing plate 99 and lid component 132 (and prominent Go out portion 134) rotate together.So, owing to rice shoot withdrawing plate 99 can be made to be placed on lid component Rotate under state on 132, thus, this rice shoot withdrawing plate 99 can be made in the state of stable posture Lower rotation.In the case, rice shoot withdrawing plate 99 can be around the rotary shaft 133 of lid component 132 Rotate.Therefore, in the case, the rotary shaft 133 of lid component 132 can become rotation Point portion.

As described above, in the rice shoot of present embodiment supply assisted parts 131, due to can be Rice shoot withdrawing plate 99, institute is placed on the lid component 132 of the cap 88 covering fertilizer hopper 27x With, rice shoot withdrawing plate 99 will not directly contact the upper surface of cap 88.Thus, cap 88 Upper surface will not contact with rice shoot withdrawing plate 99 and by scraped finish.Thereby, it is possible to conscientiously prevent this The remarks explanation joint strip posted on the upper surface of cap 88 is dirty or peels off.

As described above excessively, the rice transplanter of present embodiment has following structure.That is, should Rice transplanter possesses the fertilizer hopper putting fertilizer between driver's seat 6 and rice shoot placement platform 17 27x.Rice shoot supply assisted parts 131 possess lid component 132, this lid component 132 be configured to by The upper surface of the cap 88 of fertilizer hopper 27x covers, and it is left to be configured to be parallel to car body Rotate centered by the rotary shaft 133 of right direction.Protuberance 134 as supporting part is arranged on lid On the upper surface of component 132.Further, the rotary shaft 133 of lid component 132 plays pivot point The function in portion.

So, by arranging the lid component 132 covered by the upper surface of cap 88, it is possible to conscientiously Prevent the upper surface damaged of cap 88 or be dirty.It addition, the upper of lid component 132 can be used The protuberance 134 that surface is provided with is to support rice shoot withdrawing plate 99.Further, by making lid component 132 rotate centered by rotary shaft 133, it is possible to make the rice shoot supported by protuberance 134 take out Plate 99 tilts towards rice shoot placement platform 17.Thereby, it is possible to easily to rice shoot placement platform 17 Supply blanket appearance seedling 112.

It follows that with reference to Figure 38, the variation of above-mentioned 4th embodiment is illustrated.Figure Variation shown in 38 is, replaces the protuberance 134 of above-mentioned 4th embodiment and is provided with roller The example of parts 135.

Roller member 135 is arranged in the upper surface of lid component 132.This roller member 135 is configured to, Can rotate centered by the rotary shaft 136 being parallel to car body left and right directions.Roller member 135 Rotary shaft 136 is formed on before and after fertilizer hopper 27x on the rearward position in direction.This rotation Rotating shaft 136 is supported by lid component 132.

So, it is also possible to replace protuberance 134, and roller is set at the upper surface of lid component 132 Parts 135.Thus, as the variation (Figure 31 to Figure 34) of the 3rd embodiment, energy Enough roller members 135 support rice shoot withdrawing plate 99.Therefore, in this variation, roller member 135 Supporting part can be become.Further, since be configured to roller member 135 rotate, so, The rice shoot withdrawing plate 99 supported by this roller member 135 can be made successfully to slide.

It follows that the 5th embodiment of the present invention is illustrated.

The rice shoot supply assisted parts of above-mentioned 3rd embodiment and the 4th embodiment is configured to, The cap 88 of fertilizer hopper 27x is placed rice shoot withdrawing plate 99.But, it is not limited to seedling Seedling withdrawing plate 99 is placed on the cap 88 of fertilizer hopper 27x.Except fertilizer hopper 27x with Outward, rice shoot supply assisted parts can also have the platform class A of geometric unitA for placing rice shoot withdrawing plate 99.

Then, the 5th embodiment is configured to as shown in figure 39, after driver's seat 6 Side and the front for rice shoot placement platform 17 arrange rear portion preparation rice shoot platform 113.Prepare at this rear portion On rice shoot platform 113, it is possible to place the rice shoot withdrawing plate 99 of the blanket appearance seedling being loaded with preparation.In order to Can stably place rice shoot withdrawing plate 99, the upper surface of rear portion preparation rice shoot platform 113 is configured to Approximately horizontal plane.Can make and the row of rice transplanter 1x it addition, this rear portion preparation rice shoot platform 113 has Rice shoot withdrawing plate 99 width of degree placed side by side on car body left and right directions of the corresponding number of number Degree.Owing to the rice transplanter of present embodiment is 4 row plantations, so, above-mentioned rear portion preparation rice shoot Platform 113 has can make four rice shoot withdrawing plates 99 journey placed side by side on the left and right directions of car body 2 The width of degree.

As described above, the rice transplanter 1x of present embodiment in front of rice shoot placement platform 17 just There is the rear portion preparation rice shoot platform 113 that can place rice shoot withdrawing plate 99.Therefore, operator need by The distance that rice shoot withdrawing plate 99 is transported to rice shoot placement platform 17 is more real than the 3rd embodiment and the 4th Execute mode shorter.Therefore, it is possible to make to supply the supply of blanket appearance seedling 112 to rice shoot placement platform 17 Operation is more laborsaving.

So, the rear portion preparation rice shoot platform 113 of present embodiment can be put with rice shoot at driver's seat 6 Put carrying rice shoot withdrawing plate 99 between platform 17, thus, this rear portion preparation rice shoot platform 113 can Become rice shoot supply assisted parts.

It addition, rear portion preparation rice shoot platform 113 can be with its upper surface from lower support rice shoot withdrawing plate 99.Therefore, the upper surface of rear portion preparation rice shoot platform 113 can become supporting part.

As shown in figure 39, preparation rice shoot platform 113 in rear portion is configured in the top of fertilizer hopper 27x. Thereby, it is possible to effectively utilize the space above fertilizer hopper 27x, put rice shoot withdrawing plate 99.But, rear portion preparation rice shoot platform 113 is positioned at the top of fertilizer hopper 27x, then cannot beat Open the cap 88 of this fertilizer hopper 27x.

To this, rear portion preparation rice shoot platform 113 is configured to, it is possible to rotary shaft (preparation rice shoot Platform rotary shaft) rotate (Figure 40) with takeofing upward centered by 114.This rotary shaft 114 is joined It is set to parallel with car body left and right directions, and is arranged on the rearward end of rear portion preparation rice shoot platform 113 Nearby.So, by making rear portion preparation rice shoot platform 113 takeoff ground centered by rotary shaft 114 Rotate, it is possible to make cap 88 open above of fertilizer hopper 27x.Thereby, it is possible to open fertilizer The cap 88 (Figure 40) of material hopper 27x.

It follows that explanation placed seedling from the rear portion of present embodiment preparation rice shoot platform 113 The state of Seedling withdrawing plate 99, is supplied to the situation of rice shoot placement platform 17 by blanket appearance seedling 112.

In the case, as shown in figure 41, make to be loaded with the state of rice shoot withdrawing plate 99 Rear portion preparation rice shoot platform 113 rotates with takeofing upward centered by rotary shaft 114.Thus, Make the rice shoot withdrawing plate 99 placed on this rear portion preparation rice shoot platform 113 tilt, just can make this rice shoot The front end 99A of withdrawing plate 99 is directed at position with the upper end 17A of rice shoot placement platform 17.Then, When so targeted by position, make the blanket appearance seedling 112 placed in rice shoot withdrawing plate 99 To rice shoot placement platform 17 landing.

As described above, in present embodiment, preparation rice shoot platform 113 in rear portion is placed with Under the state of rice shoot withdrawing plate 99, it is possible to make this rice shoot withdrawing plate 99 prepare rice shoot platform with rear portion 113 rotate together.In the case, rice shoot withdrawing plate 99 is around rear portion preparation rice shoot platform 113 Rotary shaft 114 rotates.Therefore, in the case, the rotary shaft of rear portion preparation rice shoot platform 113 114 can become pivot point portion.

As described above excessively, in present embodiment, rice shoot supply assisted parts be to place The rear portion preparation rice shoot platform 113 of multiple rice shoot withdrawing plates 99.This rear portion preparation rice shoot platform 113 quilt It is configured to, it is possible to rotate centered by the rotary shaft 114 being parallel to car body left and right directions.Therefore, Described rotary shaft 114 plays the function in pivot point portion.

So, as long as arranging preparation rice shoot platform in rear portion between driver's seat 6 and rice shoot placement platform 17 113, just can place rice shoot withdrawing plate 99 on this rear portion preparation rice shoot platform 113.Then, logical Cross and make rear portion preparation rice shoot platform 113 rotate, it is possible to make to place on this rear portion preparation rice shoot platform 113 Rice shoot withdrawing plate 99 tilt to rice shoot placement platform 17.Thereby, it is possible to easily put to rice shoot Put platform 17 and supply blanket appearance seedling 112.

It addition, relevant 3rd embodiment is to the 5th embodiment, such as can be to said structure Change as follows.

In 3rd embodiment (or its variation), protuberance 122 (or roller member 124) quilt It is arranged on the upper surface of the cap 88 of fertilizer hopper 27x.But it is not limited to this, it is also possible at lid Protuberance 122 (or roller member 124) is separately set beyond portion 88.That is, protuberance 122 (or roller portion Part 124) as long as fertilizer hopper can need not be arranged on from lower support rice shoot withdrawing plate 99 The cap 88 of 27x.

In the 3rd embodiment to the 5th embodiment, it is also possible to omit fertilizer applicator 8x.

In the 5th embodiment, the upper surface of rear portion preparation rice shoot platform 113 is configured to approximation Horizontal plane.But it is not limited to this, it is also possible in the upper surface configuration of rear portion preparation rice shoot platform 113 The jut crossed shown in the 3rd embodiment and the 4th embodiment or roller member.Thus, Can make to be placed on rear portion and prepare the rice shoot withdrawing plate 99 on the upper surface of rice shoot platform 113 successfully Slide.

In the present invention, " rice shoot taking-up component " is extensively containing the approximation plate that can place and carry blanket appearance seedling The component of shape.Therefore, rice shoot rice shoot supply assisted parts put takes out component and is not limited to seedling Seedling withdrawing plate 99.

Such as, as shown in figure 42, the seedling box 140 putting blanket appearance seedling has for putting Put the base plate 142 of blanket appearance seedling.It is therefore contemplated that seedling box 140 is also that " rice shoot takes out structure Part " one.Thus it is possible to replace rice shoot withdrawing plate 99, seedling box 140 is placed on seedling On Seedling supply assisted parts.In the case, seedling box as shown in figure 42 140 like that, at this In the wall in the four directions of seedling box 140, remove a wall preferable as opened portion 140A.So, By making opened portion 140A make seedling box 140 tilt down, it is possible to make to be housed in this seedling Blanket appearance seedling (omitting diagram) in seedling box 140 is from base plate 142 landing.Thus, just can be from Seedling box 140 directly supplies blanket appearance seedling to rice shoot placement platform 17.

In above-mentioned 3rd embodiment, rain cover portion 145 is configured to rotate relative to cap 88, But be not limited to this, for example, it is also possible to rain cover portion 145 is formed as one with cap 88.

Claims (12)

1. a granule drawing mechanism, it is characterised in that:

Possess be configured in the hopper putting granule lower section go out magazine, described granule quilt It is supplied to this and goes out magazine,

Described go out to be provided with in magazine, the discharging portion gradually sent by ormal weight by described granule,

Described go out magazine have,

The driven gear being supported the driven gear rotated integratedly with described discharging portion supports Portion；And

To the driving gear supporting portion driving gear to be supported engaged with described driven gear.

2. granule drawing mechanism as claimed in claim 1, it is characterised in that:

Described driven gear supporting part and described driving gear supporting portion are formed one.

3. granule drawing mechanism as claimed in claim 1, it is characterised in that:

Possess multiple described in go out magazine,

Respectively going out magazine and possess driving power transmission shaft, this driving power transmission shaft is configured to axis and drives with described Moving gear is consistent, for transmitting driving force to described driving gear,

It is separately provided with described driving power transmission shaft to going out magazine described in each,

Possesses the linking part that the described driving power transmission shaft going out magazine for will abut against is connected to each other.

4. granule drawing mechanism as claimed in claim 3, it is characterised in that:

Respectively go out in magazine, between described driving power transmission shaft and described driving gear, have clutch machine Structure.

5. granule drawing mechanism as claimed in claim 1, it is characterised in that:

Described discharging portion has the governor motion of the load that can regulate described granule,

Described go out magazine possess,

It is fixed on the regulation gear on the regulation axle of described governor motion, and

The operation gear support that gear is supported is operated to engaging with described regulation gear Portion.

6. granule drawing mechanism as claimed in claim 5, it is characterised in that:

It is configured to, by making the axial rotary of described operation gear be toward or away from described regulation The direction of axle is moved, it is achieved the state that described regulation gear is meshed with described operation gear is with non- The switching of the state of engagement.

7. granule drawing mechanism as claimed in claim 6, it is characterised in that:

Possess arrange in one direction multiple go out magazine, and, with the plurality of go out magazine respectively It is correspondingly provided with described regulation gear and described operation gear,

The rotary shaft of each operation gear is interconnected.

8. granule drawing mechanism as claimed in claim 6, it is characterised in that:

The operation gear supporting portion being supported the rotary shaft of described operation gear is fixedly installed Described go out on magazine.

9. granule drawing mechanism as claimed in claim 6, it is characterised in that:

Possess the coupling member that can contact with the rotary shaft of described operation gear,

Described coupling member rotates around join operation axle, makes the axial rotary of described operation gear connect Near or leave the direction of described regulation axle and move.

10. granule drawing mechanism as claimed in claim 6, it is characterised in that:

To described regulation axle close to time the moving direction of rotary shaft of described operation gear towards partially Position from described regulation Zhou Zhou center.

11. 1 kinds of granule dissemination apparatus, it is characterised in that:

Possess

Granule drawing mechanism described in claim 1；

Described hopper；

The driving output gear being carried out the drive force in self-driven source and rotate；And

The described granule sent by described granule drawing mechanism is transported to the transport on ground Portion,

The supply unit supplying described granule includes, described hopper and described granule discharging dress Put,

Described supply unit possesses, described discharging portion and driving input gear,

For driving the driving force of described discharging portion to be imported into described driving input gear,

Described supply unit is configured to, it is possible to can supply described granule to described transport portion Move between job position and the release position leaving described transport portion,

Described supply unit is when described job position, and described driving output gear is defeated with described driving Enter gear to be meshed,

By making described supply unit move to described release position from described job position, described in drive Dynamic input gear leaves described driving output gear.

12. granule dissemination apparatus as claimed in claim 11, it is characterised in that:

Possess multiple described supply unit,

The described driving input gear that each supply unit is possessed can be with described driving output gear phase Engagement.