CN1492732A

CN1492732A - Riding rice transplanter

Info

Publication number: CN1492732A
Application number: CNA018230601A
Authority: CN
Inventors: 土井邦夫
Original assignee: Yanmar Agricultural Equipment Co Ltd
Current assignee: Yanmar Co Ltd
Priority date: 2001-03-22
Filing date: 2001-09-10
Publication date: 2004-04-28
Anticipated expiration: 2021-09-10
Also published as: JP2002272219A; KR20030087018A; TWI228968B; KR100771935B1; WO2002076179A1; CN1239065C; JP4958340B2

Abstract

This invention relates to a riding rice transplanter. An intermediate boss (160) of a rolling bearing member of a transplanting portion (15) is so mounted on a transverse frame (45) of a transplanting frame (20) in a direction perpendicular to the intermediate boss (160) that at least its portion laps over the transverse frame (45). A hitch bed (161), or a link member for linking the intermediate boss (160) and the transverse frame (45), even if necessary, is reduced in size and moment applied so that the riding rice transplanter can be reduced in weight and lowered in cost by employing the lighter and less expensive hitch bed (161) than those of the prior art.

Description

Sulky rice transplanter

Technical field

The present invention relates to the Sulky rice transplanter that constitutes by driving vehicle and the portion of transplanting seedlings.

Background technology

The portion of transplanting seedlings of Sulky rice transplanter even driving vehicle tilts to the left and right, also can keep level by the rolling controlling organization.This rolling controlling organization can tilt around the rolling fulcrum shaft of fore-and-aft direction (direct of travel) to the left and right for making the portion of transplanting seedlings, and be attached on the driving vehicle, the transplant seedlings detected value of the sensor that tilts of portion of detection, value when making the portion of transplanting seedlings not tilt to become level to the left and right, control makes the right-oblique actuator of the portion of transplanting seedlings left.In addition, for around the rolling fulcrum shaft of fore-and-aft direction (direct of travel), can tilting to the left and right, and be attached at the portion of transplanting seedlings on the driving vehicle, only revise spring, can flexibly keep flat-hand position by rolling.

And the concrete structure of the rolling fulcrum of the latter's the portion of transplanting seedlings is opened shown in the 2000-41429 communique as the spy.Here it is at the rear of driving vehicle, the bottom of the hook of being installed by the lifting connect mechanism, the support of the open side-looking of following side for door shape is installed, front-back at this support, offer the hole of inserting the rolling fulcrum shaft, on the other hand, the assembling seedling carrying base or the pawl etc. of transplanting seedlings, from linking parts and forwards extend out with the transplant seedlings part of rolling fulcrum shaft quadrature of the frame of transplanting seedlings of portion of formation, the rolling supporting part that inserts the sliding sleeve shape of rolling fulcrum shaft is installed in the front end of these binding parts, inboard at support embeds rolling supporting part, make the hole site of the hole site of support and rolling supporting part involutory, by the rolling fulcrum shaft is inserted support and rolling supporting part, the portion of transplanting seedlings can be attached on the driving vehicle to the left and right obliquely around the rolling fulcrum shaft of fore-and-aft direction.

But, as above-mentioned, because rolling supporting part is installed in the position away from the frame of transplanting seedlings, so need to link the binding parts of the rolling supporting part and the frame of transplanting seedlings, on the basis of weight that has improved this part and cost, because by linking parts, with the single-cantilever state, rolling supporting part is installed on the frame of transplanting seedlings, and must be the very high article of intensity that can bear the very big momentum that puts on this so link parts, can cause the raising of further weight and cost.

Therefore, main purpose of the present invention provides a kind of binding parts that do not use meeting as described above to cause weight and cost to improve, and rolling supporting part is installed on the frame of transplanting seedlings, and seeks lightweight and Sulky rice transplanter cheaply.

In addition, with respect to driving vehicle, the portion of transplanting seedlings a position, makes hook and link parts and interfere (contact), and the action (rolling) that tilts of the portion of will transplanting seedlings is limited in a certain scope by only left or certain right inclination attitude when tilting.That is the transplant seedlings rolling restriction of portion.

But if by making hook and linking parts only in the interference (contact) of a position, carry out the rolling restriction of the portion of transplanting seedlings as described above, the power that then is applied to the interference part is very big, has the possibility that makes this interference part depressed deformation.If the interference part depressed deformation, then the portion of transplanting seedlings surmounts the rolling limited field, and inclination is to the left and right linked up with and other component parts of the portion of transplanting seedlings collide, and has the possibility that these parts are sustained damage.In order to prevent such unfavorable condition, originally, must be the high article of intensity that make hook or link the wall thickness thickening etc. of parts, can cause the raising of weight and cost.

Therefore, main purpose of the present invention provides a kind of rolling restriction of carrying out can not causing the portion of transplanting seedlings that weight as described above and cost improve, seeks lightweight and Sulky rice transplanter cheaply.

Summary of the invention

The present invention is with the intervalve 160 as the rolling supporting part of the portion of transplanting seedlings 15, be arranged on as with the crossbeam 45 of the frame 20 of transplanting seedlings of these intervalve 160 orthogonal directions on, under overlooking, make the part of this intervalve 160 and crossbeam 45 overlapping at least, even if be necessary as the hook platform 161 of the binding parts that link intervalve 160 and crossbeam 45, also because the miniaturization of this hook platform 161, minimizing with the momentum that puts on this, and can use with compared originally in light weight, the hook platform 161 that price is low, can reach the lightweight of seeking Sulky rice transplanter, and effect cheaply.

In addition, will be as the intervalve 160 of the rolling supporting part of the portion of transplanting seedlings 15, be arranged on as with the crossbeam 45 of the frame 20 of transplanting seedlings of these intervalve 160 orthogonal directions directly over, even if be necessary as the hook platform 161 of the binding parts that link intervalve 160 and crossbeam 45, also because the miniaturization of this hook platform 161, almost do not have with the momentum that puts on this, and can use with compared originally in light weight, the hook platform 161 that price is low, can reach the lightweight of seeking Sulky rice transplanter, and effect cheaply.

In addition, with the crossbeam 45 of the frame of transplanting seedlings as intervalve 160 orthogonal directions of the rolling supporting part of the portion 15 of transplanting seedlings on, be provided with along the notch 167 of the outside of intervalve 160, intervalve 160 is installed on this notch 167, can be by direct welding means etc., intervalve 160 is installed on the crossbeam 45, can need original such binding parts, just can reach the lightweight of seeking Sulky rice transplanter and effect cheaply.

In addition, be that the portion of transplanting seedlings 15 can tilted around the rolling fulcrum shaft 97 of fore-and-aft direction to the left and right, and be attached in the Sulky rice transplanter on the driving vehicle 1, with respect to driving vehicle 1, the interference part of a plurality of positions is set on the direction that tilts respectively, this interference part is used to make the portion of transplanting seedlings 15 can not surmount a certain scope and tilts, put on each interference part A, B, C, D, power on the E with compared originally little, interference part can use the article low with comparing price in light weight originally, can reach the lightweight of seeking Sulky rice transplanter and effect cheaply.

In addition, be that the portion of transplanting seedlings 15 can tilted around the rolling fulcrum shaft 97 of fore-and-aft direction to the left and right, and be attached in the Sulky rice transplanter on the driving vehicle 1, the hook 24 that will link with driving vehicle 1, with in the frame 20 of transplanting seedlings of the portion of transplanting seedlings 15 as with the crossbeam 45 of rolling fulcrum shaft 97 quadrature components on the intervalve 160 that linked as rolling supporting part, link by rolling fulcrum shaft 97, make hook platform 161 as the binding parts that intervalve 160 is linked in a plurality of positions, transplanting seedlings portion 15 with respect to driving vehicle 1 left or certain right inclination attitude when tilting, interfere with hook 24 in a plurality of positions and constitute, put on each interference part A of hook 24 and hook platform 161, B, C, D, power on the E with compared originally little, hook 24 and link up with platform 161 can use with compared originally in light weight, the article that price is low can reach the lightweight of seeking Sulky rice transplanter and effect cheaply.

Description of drawings

Fig. 1 is all end views of Sulky rice transplanter.

Fig. 2 is all vertical views of Sulky rice transplanter.

Fig. 3 is the end view of the portion of transplanting seedlings.

Fig. 4 is the vertical view of the portion of transplanting seedlings.

Fig. 5 is the key diagram of overlooking of the portion of transplanting seedlings.

Fig. 6 is the outline elevation of the portion of transplanting seedlings.

Fig. 7 is the front view of frame portion of transplanting seedlings.

Fig. 8 is the end view of frame portion of transplanting seedlings.

Fig. 9 is the vertical view cutaway drawing of frame portion of transplanting seedlings.

Figure 10 is the frame left side vertical view of transplanting seedlings.

Figure 11 is the frame right side vertical view of transplanting seedlings.

Figure 12 is that key diagram is analysed and observe in the transplant seedlings left side of frame.

Figure 13 is the perspective illustration of a part of frame of transplanting seedlings.

Figure 14 is a key diagram of getting seedling portion.

Figure 15 is the key diagram of analysing and observe that send seedling case portion.

Figure 16 is the key diagram of speed change axial region.

Figure 17 is the key diagram of switching mechanism.

Figure 18 is the key diagram of pawl unit clutch portion of transplanting seedlings.

Figure 19 is the outward appearance key diagram of pawl unit clutch portion of transplanting seedlings.

Figure 20 is the key diagram of side bumper portion.

Figure 21 is the front view of rolling fulcrum.

Figure 22 is the rearview of analysing and observe of rolling fulcrum.

Figure 23 is the end view of rolling fulcrum.

Figure 24 is the sectional side view of rolling fulcrum.

Figure 25 is the vertical view of rolling fulcrum.

Figure 26 is the decomposition side view of rolling fulcrum.

Figure 27 be expression roll restriction the rolling fulcrum analyse and observe rearview.

Figure 28 is the end view of the rolling fulcrum of expression rolling restriction.

Figure 29 is the stereoscopic figure of rolling fulcrum shaft pivot branch of the portion of the transplanting seedlings side of modified example.

Figure 30 is the sectional side view of rolling fulcrum shaft pivot branch of the portion of the transplanting seedlings side of modified example.

Embodiment

Below, with reference to the accompanying drawings in detail, embodiments of the invention are described in detail.Fig. 1 is the end view of Sulky rice transplanter, Fig. 2 represents same vertical view, 1 is the driving vehicle that the operating personnel takes among the figure, engine 2 is carried on vehicle body frame 3, between front axle housing 5, travelled in the paddy field and be supported on the place ahead of the gearbox 4 of the long hand shape of fore-and-aft direction with front-wheel 6, simultaneously, travelled in the paddy field and be supported on the rear axle housing 7 at gearbox 4 rear portions with trailing wheel 8.So, both sides at the hood 9 of covering engine 2 grades, preparation seedling carrying base 10 is installed, simultaneously, the car body cover 11 by the operating personnel takes covers gearbox 4 etc., on the bridge 12 of car body cover 11 rear sides, driver's seat 13 is installed,, steering wheel 14 is arranged on the rear portion of hood 9 in the place ahead of this driver's seat 13.

In addition, 15 is the portions of transplanting seedlings among the figure, have seedling carrying base 16 and a plurality of pawl 17 etc. of transplanting seedlings that 4 road rice transplantings are used, it constitutes, between lower tracks 18 and guide rail 19, the low plastic FC seedling carrying base 16 in preceding high back can be supported on the frame 20 of transplanting seedlings about freedom slidingly back and forth, simultaneously, unidirectional constant speed rotor rotated case 21 is supported on the frame 20 of transplanting seedlings, the axis of rotation that a pair of pawl case 22 is provided in rotor casing 21 is on the symmetric position at center, the pawl 17 of transplanting seedlings is installed in the front end of this pawl case 22.In addition, make left and right sides curb girder 23 erect the anterior left and right sides both end sides that is arranged on the frame 20 of transplanting seedlings, support seedling carrying base 16, between the lifting connect mechanism 27 that comprises top connecting rod 25 and bottom connecting rod 26, the hook 24 at the center, the frame 20 anterior left and right sides of transplanting seedlings is attached on the driving vehicle 1, make the oil pressure lift cylinders 28 that is arranged on the driving vehicle 1 be attached to bottom connecting rod 26, when oil pressure lift cylinders 28 drives, between lifting connect mechanism 27, make the portion's of transplanting seedlings 15 liftings, simultaneously, when the portion of transplanting seedlings 15 descends, by the pawl 17 of transplanting seedlings, take off the seedling of a strain from the seedling carrying base 16 that reciprocatingly slides to the left and right, carry out rice transplanting operation continuously.

In addition, 29 is main shift levers among the figure, the 30th, and the rice transplanting bar, this rice transplanting bar is certainly operated in the position of taking of body, in the position under body, also can travel stops the operation of grade, the 31st, the elevating lever of transplanting seedlings, the 32nd, the main clutch pedal, the 33rd, left and right sides brake pedal, 34 is all center buoys of flat usefulness of 2 road amounts, 35 is all left and right sides buoys of flat usefulness of 1 road amount, 36 is side line fertilizer distributors that 4 roads are used, the 37th, be configured in the auxiliary wheel in the outside of trailing wheel 8.

Side line fertilizer distributor 36 has the fertilizer hopper 38 of the fertilizer of packing into, fertilizer is sent case 39, the pressure fan 42 of center buoy 34 and turbo-blower shape, this pressure fan 42 transports flexible pipe 41 between flexible shape, and fertilizer is discharged to the side line plough 40 of side buoy 35, also has columnar gas tank 43, simultaneously, right-hand end at gas tank 43 is installed pressure fan 42, makes the fertilizer of 4 groups of 4 road amounts send the upside that case 39 is provided in gas tank 43, and the upper end that makes seedling carrying base 16 is near the rear side that is provided to fertilizer hopper 38.

Extremely shown in Figure 12 as Fig. 3, the double frame 20 of transplanting seedlings of making the transmission case of the portion of transplanting seedlings 15 has the control left-right longeron 44a that each 2 road amount is used, 44b, with binding left-right longeron 44a, control crossbeam 45 between the front end of 44b, make and process formed criss-cross big beam splice (cross pipe) 46 by bulging and be weldingly fixed on each longeron 44a, the rear end of 44b, between rotating shaft 47, rotor casing 21 can be supported on the big beam splice 46 with rotating freely, simultaneously, make by bulging and process formed criss-cross big beam splice (cross pipe) 48a, 48b is weldingly fixed on longeron 44a, on 44b and the crossbeam 45, make these

longerons

44a, 44b and crossbeam 45 one link the font of overlooking to コ for open at the body rear, form the lightweight frame 20 of transplanting seedlings at low cost.

In addition, make the power shaft 49 of transplanting seedlings outstanding from the big beam splice 48b front on the right side of the front end right corner portion that becomes the frame 20 of transplanting seedlings, make driving force from the PTO axle of gearbox 4, between free joint axis 50, be delivered to the power shaft 49 of transplanting seedlings, right-hand member at the driving shaft 51 of transplanting seedlings that is inserted in crossbeam 45, between

bevel gear

49a, 52, the power shaft 49 of transplanting seedlings is linked synchronously, simultaneously, make and be inserted into left-right longeron 44a, the front end of the pawl driving shaft 53 of transplanting seedlings of 44b, between

bevel gear

52,54 and overload clutch 55, be attached to the left and right end portions of the driving shaft 51 of transplanting seedlings, make pawl driving shaft 53 rear ends of transplanting seedlings between bevel gear 56a, the 56b and the pawl unit clutch 57 of transplanting seedlings, be attached to synchronously on the rotating shaft 47, drive the pawl 17 of transplanting seedlings.

Further, carry out the lateral transfer of left and right directions of seedling carrying base 16 and the seedling on the seedling carrying base 16 vertical conveying send seedling axle 58, send seedling case 59 between cast aluminium system, be attached to the left end of the driving shaft 51 of transplanting seedlings synchronously, to send a distolateral flange portion 61 of seedling case 59 to be standing on the welded flange 60 on the left-hand engagement end portion of big beam splice 48a that is arranged at the left side with bolt, the left end that send seedling axle 58 is inserted be supported in another that send seedling case 59 distolateral, the driving shaft 51 and sending between the seedling axle 58 of transplanting seedlings in sending seedling case 59, make 2 groups of conversion gears 62 using by high-low speed change, 63 formed gears 64 are situated between, summary center with respect to the body left and right directions, the left side of sending seedling axle 58 is arranged on vertical sending on the seedling camshaft 65, in addition, right-hand part is arranged on the seedling platform is horizontal to be sent on the thread spindle 66, when the rotation of height 2 speed of sending seedling axle 58 drives, carry out the lateral transfer of seedling carrying base 16 and vertical conveying of the seedling on the seedling carrying base 16.

As Figure 10, shown in Figure 11, the depth adjustment of transplanting seedlings fulcrum shaft 67 ground free to rotate pivots prop up at the front end downside of frame 20 of transplanting seedlings, make above the rear end of center buoy 34 and the support 68 above the rear end of left and

right sides buoy

35,69, between the depth adjustment connecting rod 70 of transplanting seedlings, 71, be attached on the depth adjustment fulcrum shaft 67 of transplanting seedlings, the lifting linking member 72 of the front end by being attached at center buoy 34, detect the variation at buoy angle of inclination (degree of depth of transplanting seedlings), simultaneously, be fixedly installed on the dark adjusting rod 73 of seedling on the depth adjustment fulcrum shaft 67 of transplanting seedlings by cardinal extremity, carry out the transplant seedlings adjusting of the degree of depth of standard.

At the two ends, the left and right sides of transplanting seedlings depth adjustment fulcrum shaft 67,, left and right sides bumper 74 freedom of L shaped shape are provided with foldedly highlightedly to foreign side between installing component 75.

As Fig. 8; Figure 10; shown in Figure 11; freely fold the cardinal extremity of the left and right sides concentrator marker support bar 77 that supports left and right sides rope concentrator marker 76 (fluctuating); be weldingly fixed on big beam splice 48a; above the outside of 48b; concentrator marker support bar 77 forms L type pipe; the vertical support bar 77a of portion of fore-and-aft direction is at big beam splice 48a; the summary central authorities of 48b; contact by line; be weldingly fixed on the slightly contour face of longitudinal direction; make the 77b of cross bar portion at longeron 44a; the place ahead of 44b; close on left and right sides foreign side; on the installation shaft 78 of the 77b of cross bar portion front end; between sign platform 79, fold and freely support rope concentrator marker 76, simultaneously; make the 77b of cross bar portion of the concentrator marker support bar 77 in left side be positioned at the place ahead of sending seedling case 59, make it to have the function of sending the bumper of seedling case 59 as protection.

In addition, as shown in figure 13, left and right sides concentrator marker support bar 77, on the medial surface of its left and right

sides strengthening part

80,81, also weld the fixedly cardinal extremity of the 77a of vertical pole portion, this strengthening part is in

big beam splice

48a, 48b side, the cardinal extremity of left and right sides curb girder 23 is installed, the support strength of these curb girders 23 and concentrator marker support bar 77 is improved.

Also as shown in figure 14; the seedling plate 82 of getting of seedling carrying base 16 lower ends is moved up and down; that regulates seedling taking-up amount gets seedling adjustable plate 83; between guide post 85; can be supported on the guiding parts 84 of the frame 20 of transplanting seedlings with freely moving up and down; with the hook 86 of getting seedling adjustable plate 83 be that what close is that plywood 87 is arranged on the seedling amount of the getting regulating shaft 88 of left and right directions; the operation of the seedling amount of the getting adjusting rod 89 by being attached at the left end side of getting seedling amount regulating shaft 88; carry out the adjusting of the seedling amount of a strain amount that the pawl 17 of transplanting seedlings is taken out; make the left and right sides both end sides of the 88a of transverse axis portion that gets seedling amount regulating shaft 88; can be supported on with rotating freely and be fixedly set on the shaft bearing plate 90 and right strengthening part 81 that send seedling case 59; with the foreign side that send seedling case 59 to compare; forwards crooked slightly 90 degree of the left end side of the 88a of transverse axis portion; form the 88b of longitudinal axis portion of fore-and-aft direction; in the place ahead of sending seedling case 59; the front end of the 88b of longitudinal axis portion is crooked slightly 90 degree in side inwardly; form bar installation portion 88c; by 2 bolts 91; the cardinal extremity of the seedling amount of the getting adjusting rod 89 of L shaped shape is fixed on the bar installation portion 88c; get the front end of seedling amount adjusting rod 89; between rod guidance to the device 92; forwards oblique upper extends setting; be set to close between the trailing wheel 8 and auxiliary wheel 37 thereof in left side; the 88a of transverse axis portion of the left part by getting seedling amount regulating shaft 88; the 88b of longitudinal axis portion; bar installation portion 88c surrounds the front and back and the outside of sending seedling case 59; performance is as the function of the bumper of protecting these; simultaneously; sending seedling case 59 and getting in the gap 93 of seedling amount regulating shaft 88, the flexible pipe 41 that transports of transplanting seedlings of the leftmost side is being positioned.

Hook 24 has the upper and lower strut axle 94 that links top links 25 and

lower link

26,95, the rolling supporting part 160 of the sliding sleeve shape that is provided with at the summary center of the crossbeam 45 of the frame 20 of transplanting seedlings, between rolling fulcrum shaft 97, be attached at the lower end of hook 24 free to rotately, on the mount pad 98 of hook 24 upper end, oil pressure rolling cylinder 99 is installed, the fixed support 101 of curb girder 23 upper ends on the front end of the piston rod 100 of oil pressure rolling cylinder 99 and right side links, back and forth drive the gear pump 102 of dbl act oil pressure rolling cylinder 99, reversible electric motor 103 with positive and negative driving gear pump 102, and fuel tank 104 is wholely set on oil pressure rolling cylinder 99, between the support of holding about receiving plate 105 on be fixedly set in mount pad 98 and seedling carrying base 16 inboard faces, setting up rolls revises spring 106, the swing type roll sensor 108 that on the sensor station 107 of the crossbeam 45 of linking up with 24 left sides, is provided with, when detecting the tilting of the portion of transplanting seedlings 15, the piston rod 100 of advance and retreat control oil pressure rolling cylinder 99, the portion of transplanting seedlings 15 is rocked from side to side (inclination) around rolling fulcrum shaft 97, seek to keep the level of the portion of transplanting seedlings 15.

In addition, right side at hook 24, be arranged on the crossbeam 45 welding fixing send seedling shaft support part 109, send the fixed support 101 of curb girder 23 upper ends on seedling shaft support part 109 and right side, strengthen linking by tilting bar 110, by the structure of light weight, improved the rigidity of the curb girder 23 on right side, guaranteed the rolling characteristics of the portion of transplanting seedlings 15.

Further, by sending seedling shaft support part 109, can be supported in the middle of the summary of sending seedling axle 58 with rotating freely, the shaft bearing plate 111 that on the sign support bar 77 on right side, fixedly installs and sending between the seedling shaft support part 109, between bearing 112, make the seedling platform laterally transport the two end supports of thread spindle 66, between shaft coupling 113, make seedling vertically transport the right-hand member of camshaft 65, the left end that also has seedling vertically to transport camshaft 65 links respectively and is supported in the seedling platform and laterally transports the left end of thread spindle 66 and send on the seedling case 59, cutting apart the seedling that send seedling axle 58 and form about making vertically transports camshaft 65 and seedling platform laterally to transport thread spindle 66 is two support structures, improved support strength, simultaneously, in same axle center, right-hand member and seedling platform that seedling vertically transports camshaft 65 laterally transport thread spindle 66 bindings, have improved seedling and have vertically transported precision.It is iron hollow pipes that seedling vertically transports camshaft 65, in addition, the seedling platform laterally transports thread spindle 66 and is formed by the solid-iron material, in the left side of comparing with the center, the left and right sides of body, on the right side of comparing with the center, the left and right sides of body, separate configuration send seedling case 59 and seedling vertically to transport camshaft 65 and the big seedling platform of weight laterally transports thread spindle 66, obtains the balance of the portion of transplanting seedlings about 15.

In addition, slide block 114 is combined in the seedling platform by screw and laterally transports on the thread spindle 66, slide block 114 is between take-up housing 115, be attached on the seedling carrying base 16, when the seedling platform laterally transports thread spindle 66 unidirectional rotations, seedling carrying base about 16 is moved back and forth, simultaneously, vertically transport on the camshaft 65 at seedling, vertically transport cam 116 about being provided with, when seedling carrying base 16 when move the mobile terminal to the left and right, make and vertically transport cam 116 and contacted,, make and vertically transport roll shaft 119 unidirectional rotations between one-way clutch 118 by moving cam 117, make and vertically transport belt 123 and move to the following extreme direction of a strain amount seedling, this vertically transports belt 123 and reels and go into to be arranged on a pair of roll shaft 119 that vertically transports up and down of seedling carrying base 16 lower end side, 120 vertically transport roller 121, between 122.

Extremely shown in Figure 17 as Figure 15, link the big beam splice 48a that send seedling case 59, be arranged on the engagement end portion left of big beam splice 48a with installing and fixing the welded flange 60 that send seedling case 59, to compare with welded flange 60, chimeric depression fitting portion 124 on the engagement end portion of the big beam splice 48a of outstanding certain-length, be arranged on a side inner face that send seedling case 59, simultaneously, on the outer end of depression fitting portion 124, form the conical surface 125, make O shape ring 126 between between the conical surface 125 and the big beam splice 48a, during bolt 127 bindings by welded flange 60 and flange 61, with simple formation, by means cheaply, carry out big beam splice 48a and send airtight maintenance between the seedling case 59.

Sending on the seedling case 59, driving shaft 51 variable-speed shaft 128 of body in addition is provided with and transplants seedlings, inboard at bevel gear 52 forms splined hole 129, the transplant seedlings left end of driving shaft 51 and the right-hand member of variable-speed shaft 128 is embedded in splined hole 129, make variable-speed shaft 128 one be linked to the driving shaft 51 of transplanting seedlings, pulling down when sending seedling case 59, can easily variable-speed shaft 128 also one be pulled down.

In addition, between big beam splice 48a and bevel gear 52, be situated between and establish bearing 130, bevel gear 52 can be supported on with rotating freely the engagement end portion inboard left of big beam splice 48a, on the outer peripheral face of the big beam splice 48a engagement end portion in the outside of comparing with the position of bearing 130, welding is welded flange 60 fixedly, form the installation portion internal diameter b of welded flange 60, compare with the internal diameter a that send bearing 130 fitting portions in seedling case 59 engagement end portion and to want big (a＜b) at big beam splice 48a, even because the welding of welded flange 60 is crooked, the engagement end portion of sending seedling case 59 that causes big beam splice 48a slightly is out of shape, and also can not bring harmful effect to bearing 130 is installed.

Further, send seedling case 59 to form to have the L shaped shape of vertical case 59a of portion and the horizontal case 59b of portion, on the right-hand member of the horizontal case 59b of portion, form flange portion 61, on the vertical 59a of case portion, be assembled with by conversion gear 62,63 formed gears 64, on the horizontal case 59b of portion, be assembled with speed change switching mechanism 131, conversion gear 62,63 have trip changes the driving side gear 62a that is supported on the variable-speed shaft 128,63a, be fixed in the passive side gear 62b that seedling vertically transports the left end of camshaft 65 with combination, 63b, simultaneously, speed change switching mechanism 131 has in the keyway 132 that is embedded in variable-speed shaft 128, front end is by sitting the power of spring 133, optionally with driving side gear 62a, the keyway 134 of 63a is the shift key 135 that closes and between gearshift ring 136 and shift fork 137, be attached to the selector bar 138 on the shift key 135, the left end operating portion 138a that makes selector bar 138 is to sending the preceding side-prominent of seedling case 59 left side foreign sides, and the conversion of sending seedling speed of height 2 speed is carried out in the push-and-pull operation of the left and right directions by selector bar 138.

In addition,

conversion gear

62,63, by the metal material of iron etc., form with shift key 135 be driving side gear 62a, the 63a that closes side, or, form passive side gear 62b, the 63b of opposite side by resin material, seek the raising of lightweight and durability two aspects.

Also as Figure 18, shown in Figure 19, transplant seedlings frame 20 with

bevel gear

49a, 52,54 are assembled into the big beam splice 48a of front side compactly, in the 48b, simultaneously, with bevel gear 56a, the 56b and the pawl unit clutch 57 of transplanting seedlings are assembled on the big beam splice 46 of rear side compactly, simplification of seeking to construct and low cost, the pawl unit clutch 57 of transplanting seedlings is to change on the bevel gear 56b that supports in rotating shaft 47 upstreams, on the chimeric slide mass 140 of the spline freely of can horizontally slipping on the rotating shaft 47, but form fixed clutch portion 139 and dynamic clutch portion 141 respectively, usually, by clutch spring 142, pushing slide mass 140, but make fixed clutch portion 139 combine (hanging up clutch) with dynamic clutch portion 141, simultaneously, the power of antagonism clutch spring 142, clutch operating parts 143 advance and retreat that slide mass 140 is retreated freely are arranged on the big beam splice 46, make clutch operating parts 143 between bar 144 etc., link with the unit clutch lever (not having diagram) that is configured on seedling carrying base 16 inboards etc., by operating this clutch lever, the combination of the pawl unit clutch 57 of transplanting seedlings.

Shown in (1) (2) of Figure 20; to lead in side-looking be on the installing component 75 of コ shape but the crooked vertical component effect 74a of its bumpers of side bumper 74 easy on and off are inserted movably; this installing component 75 is fixedly installed on the two ends of the depth adjustment fulcrum shaft 67 of transplanting seedlings; between the spring base 145 and installing component 75 of the bumper bending vertical component effect 74a outstanding downwards from installing component 75 beginnings; clamp stage clip 146; simultaneously; make with the position confinement plate 147 of the left side of installing component 75 and the L shaped shape that contacts previously and be fixed on the crooked vertical component effect 74a of bumper; to stop the stopper portions 148 of rearward rotating of position confinement plate 147 to be arranged on the installing component 75; with the left side position contacting of position confinement plate 147 and installing component 75; the bumper bent horizontal 74b of portion is to the outstanding state of the extending direction of the depth adjustment fulcrum shaft 67 of transplanting seedlings; seedling plate 82 etc. is got in protection; on the other hand; promote side bumper 74 upward at opposing stage clip 146; forwards make the bumper bent horizontal 74b of portion rotate slightly 90 degree; when making the bumper reception position that contacts previously of position confinement plate 147 and installing component 75; make the body reduced width, easily carry out being written into or receiving and keeping to the container of light truck in the garage.

The inside transmission mechanism that send seedling case 59 be by seedling vertically transport camshaft 65 and variable-speed shaft 128 these 2 constitute, because be conversion gear 62 with 2 groups, 63 or the simple variable-speed mechanism 64 and the speed change switching mechanism 131 of shift key 135 be assembled into the formation of sending seedling case 59, so by style being controlled the lower low cost in ground, small-sized light weight ground forms and send seedling case 59, simultaneously, sending the box main body side of seedling case 59, between bolt 149, pull down the case lid 150 that makes its fixing left side face, easily carry out

conversion gear

62,63 the replacing or the inspection of inner transmission mechanism etc. have improved maintainability.

In addition, send the horizontal case 59b of portion of seedling case 59 to be the shape of growing up, distance between vertical 59a of case portion and the flange portion 61 is increased, in the operation of assembling-disassembling bolt 127, under the situation of tool using class, the instrument class can be easily inserted into the position of bolt 127, send the dismounting operation of seedling case 59 simply, has improved maintainability.

Formation by each one in the above-mentioned portion 15 of transplanting seedlings, in the lightweight of seeking Sulky rice transplanter and cheaply on the basis, even according to formation as the rolling fulcrum of the portion of transplanting seedlings 15 of purport of the present invention, also can seek the lightweight and the low cost of Sulky rice transplanter, according to Figure 21 to Figure 28, be described in detail the formation of its rolling fulcrum below.

On the center line of the left and right sides of body or on the summary center line about body, the hook 24 of lengthwise is between lifting linking member mechanism 27, be attached at the rear of driving vehicle 1, bottom at this hook 24, by the cross section of direction (body direct of travel) forwards, backwards is circular trunnion axis or trunnion axis slightly, fulcrum shaft 97 promptly rolls, the seedling carrying base 16 or the pawl 17 etc. of transplanting seedlings are installed, in the transplant seedlings front portion of the frame 20 of transplanting seedlings of portion 15 of formation, and make crossbeam 45 left and right sides central portion or about central portion slightly, ground free to rotate pivot props up around rolling fulcrum shaft 97, the left and right sides central portion of this crossbeam 45 or about slightly central portion as with the left and right sides central portion of the frame 20 of transplanting seedlings of rolling fulcrum shaft 97 orthogonal directions or about central portion slightly, in addition, by about rolling correction spring 106, make the portion of transplanting seedlings 15 flexibly keep flat-hand position or summary flat-hand position, is that the center can tilt for making the portion of transplanting seedlings 15 with rolling fulcrum shaft 15, and link with driving vehicle 1, for reaching, the detected value that makes the roll sensor that tilts 108 that detects the portion 15 of transplanting seedlings the portion of transplanting seedlings 15 is not tilted but value during level, control the actuator that the portion of transplanting seedlings 15 is tilted by action, it is oil pressure rolling cylinder 99, even when driving vehicle 1 tilts to the left and right, also can keep the portion's of transplanting seedlings 15 levels or the level of omiting.Promptly constitute the control of rolling.

Hook 24 is a lengthwise, and side-looking is the cone-shaped of bottom wide cut, and the cross section of this hook 24 forms to overlook and is the rearward コ word shape in opening portion.So,, the rolling fulcrum shaft pivot branch 151 of hook 24 sides is set in the bottom of hook 24.This links up with the constituting of rolling fulcrum shaft pivot branch 151 of 24 sides, between the left and right sides sidewall of hook 24 bottoms, welding fixedly opening portion side-looking downwards is the support 152 of door shape shape, bottom at hook 24, form the space 153 that engages with the portion of transplanting seedlings 15, this portion 15 left and right sides left and right sides sidewall sealing of transplanting seedlings by hook 24, and top and front-back is sealed by support 152, open underneath only, simultaneously, on front-back as the support 152 of the front-back of engaging space 153, squarely, to have and make rolling fulcrum shaft 97 insert short front and back pipe (sleeve) 154 of logical columnar axis hole, 155, the axle center as one man connects, make the front portion perforation of the pipe 154 of front side link up with 24 antetheca, make front end outstanding to the front face side of hook 24, the leading section welding of the pipe 154 of front side is fixed to the antetheca of hook 24, make the pars intermedia of the pipe 155 of rear side be weldingly fixed on the back of support 152, pipe 154 before and after making, 155 end is side-prominent in this from the front-back of engaging space 153, from linking up with the place ahead of 24, rolling fulcrum shaft 97 is inserted successively the pipe 154 of front side, the pipe 155 of rear side, run through at rolling fulcrum shaft 97 under the state of engaging space 153, insert the logical bottom that is supported on hook 24.

In addition, at the insertion initiating terminal of rolling fulcrum shaft 97 and oppose on the end of side, be welded with baffle plate 156, from linking up with the place ahead of 24, rolling fulcrum shaft 97 is inserted successively the pipe 154 of front side, the pipe 155 of rear side, run through at rolling fulcrum shaft 97 under the state of engaging space 153, insert logical being supported on when linking up with 24 bottom, baffle plate 156 contacts with the antetheca of hook 24, and rolling fulcrum shaft 97 is inserted restriction, simultaneously, between bolt 157 and nut 158, baffle plate 156 concluded be fixed on hook 24 antetheca, rolling fulcrum shaft 97 is carried out anti-avulsion and stop and constitutes.

On the other hand, the rolling fulcrum shaft pivot branch 159 of portion's 15 sides of transplanting seedlings is being assembled with seedling carrying base 16 or the pawl 17 etc. of transplanting seedlings, constitute the front portion of the frame 20 of transplanting seedlings of the portion 15 of transplanting seedlings, and be arranged on crossbeam 45 left and right sides central portion or about central portion slightly, the left and right sides central portion of this crossbeam 45 or about slightly central portion as with the left and right sides central portion of the frame 20 of transplanting seedlings of rolling fulcrum shaft 97 orthogonal directions or about central portion slightly.The rolling fulcrum shaft pivot branch 159 of these portion's 15 sides of transplanting seedlings is by the intervalve (sleeve) 160 as rolling supporting part, with form as the hook platform 161 that links parts, this hook platform 161 be used for this intervalve 160 one be linked to crossbeam 45 left and right sides central portion or about central portion slightly, a part that makes intervalve 160 overlook overlapping with crossbeam 45 at least down.

Intervalve 160 is between the front and back pipe 154,155 of the engaging space 153 of the rolling fulcrum shaft pivot branch 151 of hook 24 sides, and at fore-and-aft direction, formation can the length that embed in upright arrangement, and has and make rolling fulcrum shaft 97 insert logical columnar axis holes.

Hook platform 161 is with intervalve 160, as with the left and right sides central portion of the crossbeam 45 of the frame 20 of transplanting seedlings of these intervalve 160 orthogonal directions or about slightly central portion directly over, with state of contact, and overlooking is crossing at right angle for intervalve 160 with crossbeam 45 down, with direction level or slightly flat-hand position forwards, backwards, link in a plurality of positions and crossbeam 45.

Promptly, hook platform 161 has front and back link surface 162,163 as a plurality of vertical link surfaces of subtend at the body fore-and-aft direction at least, front and back link surface 162,163 stands vertically from the outside, front side and the rear side outside of crossbeam 45, clamp crossbeam 45, the bottom of link surface 162,163 is in body fore-and-aft direction subtend before and after making, and the top of link surface 162,163 is in the body fore-and-aft direction subtend of the upside of comparing with crossbeam 45 before and after making.In addition, front and back link surface 162,163, the bottom of clamping crossbeam 45 forms than the wide amplitude of banner of linking up with 24, can make the last side-prominent top of comparing to crossbeam 45, embed the engaging space 153 of the rolling fulcrum shaft pivot branch 151 of hook 24 sides, and form banner and height that intervalve 160 is connected, with front and back link surface 162,163 bottom is as the bottom fixed part 162a that is weldingly fixed on crossbeam 45,163a, with front and back link surface 162,163 top is as welding the fixedly top fixed part 162b of intervalve 160,163b, simultaneously, bottom fixed part 162a from wide cut, the left and right sides pars intermedia of 163a begins, one is extended the top fixed part 162b that is provided with in a narrow margin, 163b, bottom fixed part 162a, the left and right sides sidepiece of 163a and top fixed part 162b, 163b compares, stretch out to the left and right, becoming bottom fixed part 162a, 163a and top fixed part 162b, the front and back link surface 162 of the boundary line of 163b, in 163 the pars intermedia left and right sides portion, form end face 162c upwards, 163c, this is to upper surface 162c, 163c forms with the treble height of the outer peripheral face of crossbeam 45 (upside among the vertical line in the axle center by crossbeam 45 and intersects with the outer peripheral face of crossbeam 45 2 any height) identical.So, comparing with crossbeam 45, the front and back link surface 162 that makes progress side-prominent, 163 top fixed part 162b, on the 163b, intervalve 160 is with the bottom surface and crossbeam 45 state of contact of this intervalve 160, the right angle connects, link surface 162 before and after the front and rear part of intervalve 160 is weldingly fixed on, 163 top fixed part 162b, on the 163b, simultaneously, the contact site with crossbeam 45 of intervalve 160 pars intermedias is weldingly fixed on the crossbeam 45, make intervalve 160, as with the left and right sides central portion of the crossbeam 45 of the frame 20 of transplanting seedlings of these intervalve 160 orthogonal directions or about slightly central portion directly over, with state of contact, and overlooking is down that intervalve 160 is crossing at right angle with crossbeam 45, with direction level or slightly flat-hand position forwards, backwards, and (three positions) and crossbeam 45 bindings in a plurality of positions.<BR>

Front and back link surface 162,163 is to match integrally formed for the cross sectional shape with crossbeam 45 a slice black iron plate bending forming as shown in the figure.Promptly, with a slice black iron plate with the identical curvature of outer peripheral face of the crossbeam 45 of cross section circle, bending forming is the U font, making hook platform 161 form side-lookings is the U font, with side-looking be the U font hook platform 161 relatively to front-back, as front and back link surface 162,163.So, making side-looking is that the hook platform 161 of U font is fitted to crossbeam 45 from lower outer, bottom at hook platform 161, to embrace the state of maintenance (clasping state) crossbeam 45, hook platform 161 is clasped to be fixed on the crossbeam 45, contact ora terminalis with respect to the hook platform 161 of crossbeam 45 outer peripheral faces is weldingly fixed on the crossbeam 45, as described above, with front and back link surface 162,163 is vertical with the rear side outside hard upright from the outside, front side of crossbeam 45, clamp crossbeam 45, link surface 162 before and after making, 163 bottom makes front and back link surface 162 in body fore-and-aft direction subtend, 163 top is at the upside of comparing with crossbeam 45, in body fore-and-aft direction subtend.

Front and back link surface 162,163 also body formation in addition, as described above, form hook platform 161 by the parts of clasping of clasping crossbeam 45, by integrally formed front and back link surface 162,163, this front and back link surface 162,163 are used for linking crossbeam 45 and intervalve 160 in a plurality of positions, front and back link surface 162 with other body formation, 163 compare, can carry out front and back link surface 162 simply, 163 formation and assembling, in addition, front and back link surface 162,163 product size error and package size error are also few, the precision excellence, link surface 162 before and after having increased in addition, 163 with the bonding area of crossbeam 45, obtain higher bond strength easily, and then owing to obtained the reason of the higher bond strength etc. of crossbeam 45 and intervalve 160, so be excellent, further, opening portion when being embedded in crossbeam 45 as hook platform 161 outsides of clasping parts, thereafter by intervalve 160 sealings, intervalve 160 and front and back link surface 162,163 with the raising of the bond strength geometry character of crossbeam 45, make the rolling fulcrum shaft pivot branch 159 and crossbeam 45 fully integratedization of the portion's of transplanting seedlings 15 sides, can on intensity, strengthen.Therefore, even constituting the intervalve 160 of the rolling fulcrum shaft pivot branch 159 of portion's 15 sides of transplanting seedlings self is not that intensity is so strong with hook platform 161, also can guarantee the rolling fulcrum shaft pivot branch 159 necessary intensity of the portion's of transplanting seedlings 15 sides, can express lightweight and low cost.

In addition, with the contact-making surface of the crossbeam 45 of the hook platform 161 of U font on, be provided with and extract hole 164, seek to enlarge the bonding area with crossbeam 45, promptly improve bond strength, seek lightweight simultaneously.Enlarge the bonding area with the crossbeam 45 of hook platform 161, promptly improve bond strength, can be clear and definite from figure, also can with the ora terminalis that contacts face of crossbeam 45 on concavo-convex carrying out is set.

Be welded to each other the side of sending seedling shaft support part 109 with hook platform 161 fixing, make the member who send seedling shaft support part 109 and hook platform 161 to become mutual reinforcement, because the raising of self intensity of hook platform 161, add self lightweight and low cost, lightweight and low cost are sought in the raising of the intensity by sending seedling shaft support part 109.

And then, intervalve 160 and front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the portion of transplanting seedlings 15 sides that form as described above, 163 top fixed part 162b, on the 163b, from the top, will be outside chimeric in the engaging space in the rolling fulcrum shaft pivot branch 151 of hook 24 sides that form as described above 153, with intervalve 160 and front and back link surface 162,163 top fixed part 162b, 163b embeds engaging space 153, and intervalve 160 is embedded front and back pipe 154, between 155, with these pipes 154,160,155 arrays are configured in the fore-and-aft direction of body, and make and respectively manage 154,160,155 axle center unanimity, from linking up with the place ahead of 24, rolling fulcrum shaft 97 is inserted the pipe 154 of front side, it then is intervalve 160, be the pipe 155 of rear side at last, baffle plate 156 is contacted with the antetheca of hook 24, the insertion of restriction rolling fulcrum shaft 97, simultaneously, between bolt 157 and nut 158, baffle plate 156 is concluded the antetheca that is fixed on hook 24, carry out anti-avulsion and stop to rolling fulcrum shaft 97, the portion 15 of transplanting seedlings props up between rolling fulcrum shaft 97 pivots and is linked to hook 24 bottom, transplant seedlings portion 15 for being that the center can tilt with rolling fulcrum shaft 15, and be attached on the driving vehicle 1.

In addition, with respect to driving vehicle 1, tilt a plurality of positions of direction of each leisure are provided with the interference part respectively, this interference part is used to make the portion of transplanting seedlings 15 can not surmount a certain scope and tilts, front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the portion's of transplanting seedlings 15 sides, in 163 the pars intermedia left and right sides portion, form end face 162c upwards, 163c, the end face 162c that should make progress, the formation that the treble height of 163c formation and crossbeam 45 outer peripheral faces matches, and the left and right sides side wall lower ends of the hook 24 suitable with the left and right side of engaging space 153 in the rolling fulcrum shaft pivot branch 151 of hook 24 sides, when the portion of transplanting seedlings 15 does not tilt with respect to driving vehicle 1, with respect to front and back link surface 162,163 to upper surface 162c, the highest portion of 163c and crossbeam 45 outer peripheral faces, leave upward, when the portion of transplanting seedlings 15 with respect to driving vehicle 1 to upper left or upper right inclination when deciding angle, for with front and back link surface 162,163 to upper surface 162c, the highest the contact (interference) of 163c and crossbeam 45 outer peripheral faces, the left and right sides side wall lower ends of hook 24 that will be equivalent to the left and right side of the engaging space 153 in the rolling fulcrum shaft pivot branch 151 of hook 24 sides, from linking up with another left and right sides side wall lower ends of 24, by side-looking is the otch 165 of door shape, promote the formation that forms, when the portion of transplanting seedlings 15 with respect to driving vehicle 1, to upper left or upper right inclination when deciding angle, the front side link surface 162 of contact (interferences) to the position of left and right sides side wall lower ends of upper surface 162c with the hook 24 on the base that becomes otch 165, the link surface 163 of rear side to upper surface 163c and become the position of left and right sides side wall lower ends of hook 24 on the base of otch 165, at the highest of crossbeam 45 outer peripheral faces with become the position of left and right sides side wall lower ends of hook 24 on the base of otch 165, setting adds up to the interference part A of 3 positions, B, C, further, front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the portion of transplanting seedlings 15 sides when will not tilt with respect to driving vehicle 1 in the portion of transplanting seedlings 15,163 upper end central portion, be top fixed part 162b, the upper end central portion of 163b, enter axle center with rolling fulcrum shaft 97 and be the inner face above the support 152 of barrel surface in the rolling fulcrum shaft pivot branch 151 of hook 24 sides at center, the inboard of barrel surface S when promptly having the radius that contacts with the end face of engaging space 153, and the front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the portion of transplanting seedlings 15 sides when will not tilt with respect to driving vehicle 1 in the portion of transplanting seedlings 15,163 the left and right sides, upper end sidepiece, be top fixed part 162b, the left and right sides, the upper end sidepiece of 163b, reach axle center with rolling fulcrum shaft 97 and be the inner face above the support 152 of barrel surface in the rolling fulcrum shaft pivot branch 151 of hook 24 sides at center, the outside of barrel surface S when promptly having the radius that contacts with the end face of engaging space 153, when the portion of transplanting seedlings 15 with respect to driving vehicle 1 to upper left or upper right inclination when deciding angle, front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the portion's of transplanting seedlings 15 sides, 163 the left and right sides, upper end sidepiece, be top fixed part 162b, the left and right sides, the upper end sidepiece of 163b, with the hook 24 sides rolling fulcrum shaft pivot branch 151 in support 152 above inner face, it is the end face contact (interference) of engaging space 153, be formed on the front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the portion's of transplanting seedlings 15 sides, 163 top fixed part 162b, the formation of 163b, the portion of transplanting seedlings 15 with respect to driving vehicle 1 to upper left or upper right inclination when deciding angle, contact a position of the end face of the left and right sides, the upper end sidepiece of top fixed part 162b of front side of (interference) and engaging space 153, a position at the end face of the left and right sides, the upper end sidepiece of the top of rear side fixed part 163b and engaging space 153, the interference part D that adds up to 2 positions is set, E, when the portion of transplanting seedlings 15 with respect to driving vehicle 1 to upper left or upper right inclination when deciding angle, the structural member of the rolling fulcrum shaft pivot branch 151 of the structural member of the rolling fulcrum shaft pivot branch 159 of portion's 15 sides of transplanting seedlings and hook 24 sides simultaneously contacts (interference) 5 positions, with the action (rolling) that tilts of the portion of transplanting seedlings 15 be limited in fixed scope and constituting.

In addition, with respect to becoming interference part A, B, front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the side's of C the portion of transplanting seedlings 15 sides, 163 to upper surface 162c, the highest portion of 163c and crossbeam 45 outer peripheral faces, become interference part A, B, the bight, the outside of the left and right sides side wall lower ends of the hook 24 on the base that becomes otch 165 in rolling fulcrum shaft pivot branch 151 of the opposing party's of C hook 24 sides contacts (interference), for preventing interference part A, B, the side of C or two side's depressed deformations, the left and right sides side wall lower ends of the hook 24 on the base that becomes otch 165 in the rolling fulcrum shaft pivot branch 151 of hook 24 sides, form outside reinforcement 166, make the following of this reinforcement 166 and the front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the portion's of transplanting seedlings 15 sides, 163 to upper surface 162c, interference part A is carried out in the highest the contact (interference) of 163c and crossbeam 45 outer peripheral faces between face, B, the interference of C and constituting.In addition, the side of remaining interference part D, E and the opposing party's interference is carried out each other at face.

Get final product clearly from above-mentioned, to be arranged on as the intervalve 160 of the rolling supporting part of the portion of transplanting seedlings 15 as with the crossbeam 45 of the frame 20 of transplanting seedlings of these intervalve 160 orthogonal directions on, at least a part and the crossbeam 45 of this intervalve 160 are overlapping under overlooking, even if be necessary as the hook platform 161 of the binding parts that link intervalve 160 and crossbeam 45, also because the miniaturization of this hook platform 161, minimizing with the momentum that puts on this, thereby can use and compare originally, the hook platform 161 that price in light weight is low, lightweight and the low cost that can seek Sulky rice transplanter.In addition, and compared originally, the portion 15 of transplanting seedlings can closely be configured on the driving vehicle 1, take advantage of seat under the state of the driver's seat 13 of driving vehicle 1, can improve the operability of operation when transplanting seedlings the various action bars of portion's 15 sides, simultaneously, by shortening the total length of body, also can improve rideability.

In addition, will be as the intervalve 160 of the rolling supporting part of the portion of transplanting seedlings 15, be arranged on as with the crossbeam 45 of the frame 20 of transplanting seedlings of these intervalve 160 orthogonal directions directly over, even the hook platform 161 as the binding parts that link intervalve 160 and crossbeam 45 is necessary, also since the miniaturization of this hook platform 161 and the momentum that puts on this almost do not have, thereby can use and compare originally, the hook platform 161 that price in light weight is low, lightweight and the low cost that can seek Sulky rice transplanter.In addition, and compared originally, the portion 15 of transplanting seedlings can the most closely be configured on the driving vehicle 1, take advantage of seat under the state of the driver's seat 13 of driving vehicle 1, can improve the operability of operation when transplanting seedlings the various action bars of portion's 15 sides, simultaneously, by shortening the total length of body, also can improve rideability.

In addition, be that the portion of transplanting seedlings 15 can tilted around the rolling fulcrum shaft 97 of fore-and-aft direction to the left and right, and be attached in the Sulky rice transplanter on the driving vehicle 1, with respect to driving vehicle 1, tilt a plurality of positions of direction of each leisure are provided with the interference part respectively, this interference part is used to make the portion of transplanting seedlings 15 can not surmount a certain scope and tilts, put on each interference part A, B, C, D, the E power with compared originally little, interference part can use the article low with comparing price in light weight originally, can seek the lightweight and the low cost of Sulky rice transplanter.

In addition, be that the portion of transplanting seedlings 15 can tilted around the rolling fulcrum shaft 97 of fore-and-aft direction to the left and right, and be attached in the Sulky rice transplanter on the driving vehicle 1, the hook 24 that will link with driving vehicle 1, with as with the frame 20 of transplanting seedlings of the portion of transplanting seedlings 15 in the crossbeam 45 of rolling fulcrum shaft 97 quadrature components on, the intervalve 160 that is linked as rolling supporting part, link by rolling fulcrum shaft 97, make as on crossbeam 45, make the hook platform 161 of intervalve 160 at the binding parts of a plurality of positions binding, with respect to driving vehicle 1, transplant seedlings portion 15 left or certain right inclination attitude when tilting, interfere with hook 24 in a plurality of positions and constitute, put on each interference part A of hook 24 and hook platform 161, B, C, D, power on the E with compared originally little, hook 24 can use the article low with comparing price in light weight originally with hook platform 161, can seek the lightweight and the low cost of Sulky rice transplanter.

Figure 29, Figure 30 represent the modified example of the rolling fulcrum shaft pivot branch of the portion's of transplanting seedlings 15 sides, the rolling fulcrum shaft pivot 159A of branch of these portion's 15 sides of transplanting seedlings, do not use hook platform 161, intervalve 160 as the rolling supporting part of the portion of transplanting seedlings 15, become with the left and right sides central portion of the crossbeam 45 of the frame 20 of transplanting seedlings of this intervalve 160 orthogonal directions or about central portion slightly, to overlook is intervalve 160 and crossbeam 45 crossing at right angles, and direction links with crossbeam 45 with level or summary flat-hand position forwards, backwards.So, in the binding of intervalve 160 and crossbeam 45, do not use under the situation of hook platform 161, only in making intervalve 160 and crossbeam 45 contacts, only be fixed on the crossbeam 45 its bond strength deficiency intervalve 160 welding of naming a person for a particular job.For this is replenished, on the central portion of the left and right sides of crossbeam 45 or about slightly above the central portion, be provided with along the notch 167 of the outside of intervalve 160, intervalve 160 is engaged with this notch 167 from the top, around notch 167, welding is the outside of intervalve 160 and the outside of crossbeam 45 fixedly, is to obtain bonding area, obtains the bond strength of necessity and constitutes.

Because on crossbeam 45, insert and be connected with the driving shaft 51 of transplanting seedlings, so the degree of depth that the bottom surface of the intervalve 160 of the inside of the degree of depth of notch 167 formation stemple 45 does not contact with the driving shaft 51 of transplanting seedlings.

In addition, among the figure 168, the 169th, the front and back block, stretch out from the front and rear part one of the intervalve 160 among the rolling fulcrum shaft pivot 159A of branch of the portion of transplanting seedlings 15 sides of not linking up with platform 161, becoming interference part D, inner face above the support 152 in the rolling fulcrum shaft pivot branch 151 of the side's of E hook 24 sides, it is the end face of engaging space 153, be and transplant seedlings portion 15 with respect to driving vehicle 1, to upper left or upper right tilt contact the interference part D of (interference) when deciding angle, the opposing party of E, i.e. front and back link surface 162 in the rolling fulcrum shaft pivot branch 159 of the portion's of transplanting seedlings 15 sides, 163 top fixed part 162b, the effect that 163b is identical, this block 168,169 the left and right sides, upper end sidepiece, with respect to driving vehicle 1, the portion 15 of transplanting seedlings decides angle when tilting to upper left or upper right, with the hook 24 sides rolling fulcrum shaft pivot branch 151 in support 152 above inner face, the end face that is engaging space 153 joins (interference), with the action (rolling) that tilts of the portion of transplanting seedlings 15 be limited in fixed scope and constituting.

Can understand from above-mentioned, with the crossbeam 45 of the frame of transplanting seedlings as intervalve 160 orthogonal directions of the rolling supporting part of the portion 15 of transplanting seedlings on, be provided with along the notch 167 of the outside of intervalve 160, intervalve 160 is installed on this notch 167, can be by direct welding means etc., intervalve 160 is installed on the crossbeam 45, can need original such binding parts, lightweight and the low cost that just can seek Sulky rice transplanter.

Claims

1. a Sulky rice transplanter is characterized in that, the rolling supporting part of the portion of transplanting seedlings is arranged on the frame of transplanting seedlings with this rolling supporting part orthogonal direction, and a part that makes this rolling supporting part down at least is overlapping with the frame of transplanting seedlings overlooking.

2. a Sulky rice transplanter is characterized in that, with the rolling supporting part of the portion of transplanting seedlings be arranged on the frame of transplanting seedlings of this rolling supporting part orthogonal direction directly over.

3. a Sulky rice transplanter is characterized in that, with the frame of transplanting seedlings of the rolling supporting part orthogonal direction of the portion of transplanting seedlings on, be provided with along the notch of the outside of rolling supporting part, rolling supporting part is installed on this notch.

4. Sulky rice transplanter, this Sulky rice transplanter is attached on the driving vehicle, the portion of transplanting seedlings can tilted around the rolling fulcrum shaft of fore-and-aft direction to the left and right, it is characterized in that, the interference part of a plurality of positions respectively is set on the direction that tilts respectively, and this interference part is used to make the portion of transplanting seedlings can not surmount a certain scope with respect to driving vehicle and tilts.

5. Sulky rice transplanter, this Sulky rice transplanter is attached on the driving vehicle, the portion of transplanting seedlings can tilted around the rolling fulcrum shaft of fore-and-aft direction to the left and right, it is characterized in that, has following formation: the hook that will link with driving vehicle, with the rolling supporting part that links with the part of rolling fulcrum shaft quadrature in the frame of transplanting seedlings of the portion of transplanting seedlings, link by the rolling fulcrum shaft, make the binding parts that rolling supporting part is linked in a plurality of positions, with respect to driving vehicle, transplant seedlings portion left or certain right inclination attitude when tilting, interfere with hook in a plurality of positions.