CN103369954A - Standard combine - Google Patents

Abstract

The standard combine of the invention of this application comprises: a traveling machine body (1) having mounted thereon an engine (7) as the power source; a harvesting device (3) having harvesting blades (15); and a threshing device (9) having a handling drum (21). The engine (7) is disposed on the traveling machine body (1) at a position at one side of the rear part of the threshing device (9), and a radiator (172) which water-cools the engine and a cooling fan (170) which air-cools the engine (7) and the radiator (172) are disposed in front of the engine (7). A cooling air duct for the engine (7) is formed by a cover duct body (173) covering a region which extends from the other side of the threshing device (9) from the engine (7) to a position in front of both the radiator (172) and the cooling fan (170).

Description

Ordinary combine harvester

Technical field

The present invention relates to a kind of ordinary combine harvester, it has carried the farmland has not been cut the reaping apparatus that grain straw gathers in and the sheller unit that the grain that is cut grain straw is carried out threshing.

Background technology

In the past, known a kind of technology comprised in ordinary combine harvester: the body that travels with the section of travelling and driver's seat; Reaping apparatus; Sheller unit; Supply with the supply chamber that is cut grain straw from reaping apparatus to sheller unit; Engine as each several part and the power source that each installs; The grain sorting mechanism of the threshing object of screening sheller unit; With the grain storehouse of the grain of collecting sheller unit, can gather in continuously not cutting grain straw and it being carried out threshing (with reference to patent documentation 1) of farmland.Known a kind of technology also, one side disposes cooling fan and radiator about the engine on body is being travelled in lift-launch, dispose the lid pipe in the right outside side that more keeps left than cooling fan and radiator, the rotary actuation by cooling fan is taken into outer gas (cooling air) cooling radiator (with reference to patent documentation 2) via the lid pipe.

In described prior art, lid pipe is disposed at opposed to each other by vibrationproof is bearing in engine on the body that travels, thereby being taken into mouth, the outer gas of lid pipe is positioned at the height and position nearer apart from the farmland.In addition, the lid pipe is configured in and the opposed side of the output shaft of engine, and is less thereby outer gas is taken into the aperture area of mouth.Owing to these reasons, the gas suction pressure of getting the porch cooling air uprises easily outside, follows being taken into of cooling air, and the dust of stalk bits etc. is attached to this outer gas and is taken into mouth, if dust is piled up, then outer gas is taken into mouth and blocks sometimes.This point is in described patent documentation 2, the blade of employing by switching cooling fan towards and wind direction be altered to outer gas be taken into the technology that direction and outer gas are discharged direction, set wind direction for outer gas and discharge direction, blow to fly to remove and be attached to the dust that outer gas is taken into mouthful.

The prior art document

Patent documentation

Patent documentation 1: TOHKEMY 2008-263865 communique

Patent documentation 2: TOHKEMY 2004-204827 communique

Summary of the invention

The problem that invention will solve

But, in for the situation that prevents from blocking the technology that has adopted described patent documentation 2, arrange the blade that switches cooling fan towards structure, and arrange the handover operation blade towards operative configuration, thereby what cause constructing is complicated, cost of parts raises, and has the such problem of requirement that is unsuitable for growing in recent years cost.

Therefore, technical task of the present invention is that the above-mentioned present situation of research provides the ordinary combine harvester of having implemented improvement.

Be used for solving the means of problem

The ordinary combine harvester of the invention of technical scheme 1 comprises: carried the body that travels as the engine of power source, reaping apparatus with cutting blade, with the sheller unit with threshing cylinder, wherein, rear portion one side of the described sheller unit in the described body that travels disposes described engine, dispose for the radiator of described engine water-cooling with for described engine and the air cooled cooling fan of described radiator in the place ahead of described engine, form the cooling air duct of described engine by covering body, above-mentioned lid body covers the opposite side of the side opposite with described sheller unit from described engine to the zone in the place ahead of described radiator and described cooling fan.

The invention of technical scheme 2 is in the ordinary combine harvester of technical scheme 1 record, described lid body is made of the sidepiece pipe of the opposite side that is positioned at described engine and the anterior pipe that is positioned at the place ahead of described radiator and described cooling fan, the height and position of described sidepiece pipe is set highlyer than the height and position of described anterior pipe, the side in the machine outside in described sidepiece pipe is formed with outer gas and is taken into mouth, the below of described sidepiece pipe forms the opening that exposes for the bottom of the opposite side in the described engine, and described opening is covered by sidepiece lid that can dismounting.

The invention of technical scheme 3 is in the ordinary combine harvester of technical scheme 1 or 2 records, disposes the hydraulic pressure pump case between the described sheller unit in the described body that travels and the described engine.

The effect of invention

Invention according to technical scheme 1, comprise the body that travels that has carried as the engine of power source, reaping apparatus with cutting blade, with the sheller unit with threshing cylinder, in such ordinary combine harvester, rear portion one side of the described sheller unit in the described body that travels disposes described engine, dispose the radiator for described engine water-cooling in the place ahead of described engine, and for described engine and the air cooled cooling fan of described radiator, opposite side by covering the side opposite with described sheller unit from described engine is to the lid body in the zone in the place ahead of described radiator and described cooling fan, form the cooling air duct of described engine, thereby can in the other side of the described lid body parallel with the output shaft of described engine, form the large outer gas of aperture area and be taken into mouth.Thus, can fully guarantee to be taken into the cooling air quantity of cooling air duct, and can suppress its suction pressure, the dust that can reduce stalk bits etc. is followed being taken into of cooling air and is adhered to.In addition, do not need to switch described cooling fan blade towards removing the such complicated structure of dust, also help cost.

Invention according to technical scheme 2, described lid body is made of with the anterior pipe that is positioned at the place ahead of described radiator and described cooling fan the sidepiece pipe of the opposite side that is positioned at described engine, the height and position of described sidepiece pipe is set highlyer than the height and position of described anterior pipe, the side in machine in the described sidepiece pipe outside is formed with outer gas and is taken into mouth, thereby the amount that can leave from the farmland with the height and position of described sidepiece pipe is correspondingly brought into play the high effect that prevents that the dust such as stalk bits from adhering to.And, the below of described sidepiece pipe forms the opening that exposes for the bottom of the opposite side in the described engine, described opening is covered by sidepiece lid that can dismounting, thereby can effectively utilize in addition because of the different described openings that form of height and position, by pulling down described sidepiece lid the opposite side bottom of described engine is exposed, carry out like a cork the advantage of such upkeep operation such as cleaning, the maintenance of described engine etc.

According to the invention of technical scheme 3, dispose the hydraulic pressure pump case between the described sheller unit in the described body that travels and the described engine, thereby can also utilize the cooling air that leads to described engine to cool off in the lump described hydraulic pressure pump case.Owing to do not need the cooling construction of described hydraulic pressure pump case special use, so help cost when stabilized driving that can the maintenance medium pressing system.

Description of drawings

Fig. 1 is the left side view of the ordinary combine harvester of embodiment.

Fig. 2 is the right side view of ordinary combine harvester.

Fig. 3 is the vertical view of ordinary combine harvester.

Fig. 4 is the left surface cutaway view of sheller unit.

Fig. 5 is the drive system figure of ordinary combine harvester.

Fig. 6 is the left side view of the drive division of sheller unit.

Fig. 7 is the stereogram of observing the drive division of sheller unit from the rear.

Fig. 8 is the hydraulic circuit diagram of ordinary combine harvester.

Fig. 9 is the rearview of the drive division of ordinary combine harvester.

Figure 10 is the end view of the drive division that travels of ordinary combine harvester.

Figure 11 is from the travel stereogram of drive division of forward observation.

Figure 12 is the rear perspective illustration of the top rear cover body of expression open mode.

Figure 13 is the enlarged front view of the relation of the expression top rear cover body of open mode and each movable part.

Figure 14 is the biopsy cavity marker devices amplification rearview of sheller unit.

Figure 15 is the rear perspective illustration of the structure of expression threshing cylinder.

Figure 16 is the front section view of sheller unit.

Figure 17 is the stereogram of the binding structure in expression step frame, engine bin framework and grain storehouse.

Figure 18 is the left side view of the binding structure in expression step frame, engine bin framework and grain storehouse.

Figure 19 is the vertical view of engine bin framework.

Figure 20 is the front section view of the position relationship of expression grain storehouse and sheller unit.

Figure 21 is the in-built vertical view that body is covered in expression.

Figure 22 is the biopsy cavity marker devices left side view of the connection structure of expression sidepiece pipe and anterior pipe.

Figure 23 is the front section view of the connection structure of expression sidepiece pipe and anterior pipe.

Embodiment

Below, the embodiment of the present invention having been specialized based on the description of drawings that is applicable to ordinary combine harvester (being designated hereinafter simply as combine).In addition, in the following description, with the left side when the direction of advance of the body 1 that travels referred to as the left side, similarly with the right side when direction of advance referred to as the right side.

The summary structure of combine at first, is described referring to figs. 1 through Fig. 3.As shown in Figure 1 to Figure 3, the combine of embodiment has the body 1 that travels that is supported by pair of right and left crawler belt 2 made of iron as the section of travelling.In the front portion of travelling body 1, the reaping apparatus that does not cut grain straw 3 that can rising-falling tone saves land and harvesting is installed and is taken into rice (or wheat or soybean or corn) etc. with hydraulic cylinder 4 by single-acting lifting.

At the bridge 5 of the front portion of the body 1 that travels lift-launch as the Drive Section of taking for the operator.The grain storehouse 6 of the grain after the configuration of the rear of bridge 5 is used for the storage threshing.Dispose the engine 7 as power source at the rear in grain storehouse 6.Grain can be set to cycle on the right side, rear portion in grain storehouse 6 discharge screw feeder 8.Grain in the grain storehouse 6 is sent such as the microscope carrier of truck or container etc. from the throwing mouth of a valley 8a that discharges screw feeder 8 front ends.In the opposite side of body 1 that travels (left side in embodiment), be equipped with for the quilt of supplying with from reaping apparatus 3 is cut grain straw and carry out the sheller unit 9 that threshing is processed.Dispose be used to the grain sorting mechanism 10 that swings the choosing of screening and pneumatic jig in the bottom of sheller unit 9.

Reaping apparatus 3 has: the supply chamber 11 that is communicated with the threshing mouth 9a of sheller unit 9 front portions; The cereal header 12 of the hopper shape of growing crosswise that arranges continuously with the front end of supply chamber 11.To hug collection screw feeder 13 can rotate the earth's axis and be bearing in the cereal header 12.Dispose band pull bar rake cylinder 14 in the front upper of hugging collection screw feeder 13.Dispose the cutting blade 15 of hairclipper type in the front portion of cereal header 12.The outstanding minute cursive script 16 that is provided with in the left and right sides of cereal header 12 front portions.In supply chamber 11, be provided with and supply with conveyer belt 17.Being provided with grain straw between the feeding terminal of supplying with conveyer belt 17 and threshing mouth 9a accepts with beater 18.In addition, the leading section of the lower face of supply chamber 11 and the body 1 that travels is bonded with hydraulic cylinder 4 by lifting, and reaping apparatus 3 is used hydraulic cylinder 4 and lifting moving by lifting.

In said structure, about the fringe point side of not cutting grain straw of 16 of minute cursive script hugged collection by rake cylinder 14, the stalk side of not cutting grain straw is cut blade 15 harvestings, by hugging the rotary actuation of collection screw feeder 13, is collected near the central portion of left and right sides width of cereal header 12.Whole amounts that the quilt of cereal header 12 cuts grain straw are transferred by supplying with conveyer belt 17, and are put into the threshing mouth 9a of sheller unit 9 by beater 18.In addition, has the level control hydraulic cylinder 19 that cereal header 12 is rotated around level control fulcrum shaft 19a, by the inclination of level control with the left and right directions of hydraulic cylinder 19 adjusting cereal headers 12, with respect to ground level ground, farmland supporting cereal header 12, cutting blade 15 and rake cylinder 14.

As shown in Figure 1 to Figure 3, threshing cylinder 21 can be arranged in the threshing chamber of sheller unit 9 rotatably.Threshing cylinder 21 axles are bearing on the cylinder shaft 20 that follows the fore-and-aft direction extension of sailing body 1.Below threshing cylinder 21, be provided with and make recessed of the block 24(that grain leaks down).Blade 25 is arranged on threshing cylinder 21 front portions highlightedly to radial outside the outer peripheral face that is taken into helical form (helical-blade sheet).

In said structure, the quilt that drops into from threshing mouth 9a cuts the rotation of grain straw by threshing cylinder 21 and is transferred towards the rear of the body 1 that travels, and in threshing cylinder 21 and block mixed between 24 and threshing.The threshing object of the grain less than block 24 mesh etc. 24 leaks down from blocking.The dust-exhausting port from the conveying effect by threshing cylinder 21 such as the 24 stalk bits that leak down of blocking from sheller unit 9 rear portions is not discharged to the farmland.

In addition, at the upper side of threshing cylinder 21, can be articulated with rotationally a plurality of dust-discharging valves (omitting diagram) for the transporting velocity of regulating the threshing object in the threshing chamber.By the angle adjustment of described dust-discharging valve, can be according to the transporting velocity (holdup time) of the threshing object in the kind of being cut grain straw or the proterties adjusting threshing chamber.

On the other hand, as the grain sorting mechanism 10 of the below that is configured in sheller unit 9, employing has the swing screening plate 26 that is used for the proportion screening of cereal dish, chaff sieve, cereal sieve and stalk sieve etc.In addition, grain sorting mechanism 10 has the Rice winnowing fan 29 of supplying with screening wind.By threshing cylinder 21 by threshing and from 24 threshing objects that leaked down of blocking by swinging screening plate 26 proportion screening effect and the pneumatic jig choosing of Rice winnowing fan 29, be screened into the seconds of primes, band branch stalk grain etc. of grain (smart grain etc.) and stalk bits etc.

Below swing screening plate 26, have one-level conveyer mechanism 30 and secondary conveyer mechanism 31 as grain sorting mechanism 10.By swinging the screening of screening plate 26 and Rice winnowing fan 29, be collected into a storehouse 6 from the primes that swings grain that screening plate 26 falls etc. by one-level conveyer mechanism 30 and the conveyer belt 32 of winnowing.The seconds of band branch stalk grain etc. returns the screening top side that swings screening plate 26 by secondary conveyer mechanism 31 and second-stage reduction conveyer belt 33 etc., and is screened again by swinging screening plate 26.Stalk bits etc. are discharged to the farmland from the dust-exhausting port 34 at body 1 rear portion of travelling.

And, as shown in Figure 1 to Figure 3, the driver seat 42 that disposes steering column 41 and take for the operator at bridge 5.Dispose at steering column 41: be used for change travel the progress path of body 1 or change translational speed as the gear lever 43,44 about control stick; Be used for making reaping apparatus 3 to topple over also lifting or make rake cylinder 14 topple over the also harvesting posture bar 45 of lifting along left and right directions along fore-and-aft direction; The accelerator rod 46 of the rotation of control engine 7; Discharge bar 47 with the grain that makes grain discharge screw feeder 8 work.Although omitted diagram, also disposed the operation clutch lever etc. of the transmission of power of handover operation reaping apparatus 3 or sheller unit 9.In addition, the upper side at bridge 5 is equipped with the ceiling 49 that sunshade is used by pillar 48.

As shown in Figures 1 and 2, the track frame 50 about side disposes below the body 1 that travels.Be provided with at track frame 50: the drive sprocket 51 that the transmission of power of engine 7 is arrived crawler belt 2; Keep the idler roller 52 of the tensioning of crawler belt 2; The ground connection side of crawler belt 2 is held in a plurality of crawler belt rollers 53 of ground state; The intermediate calender rolls 54 that the ungrounded side of crawler belt 2 is kept.By the rear side of drive sprocket 51 supporting crawler belts 2, by the front side of idler roller 52 supporting crawler belts 2, by the ground connection side of crawler belt roller 53 supporting crawler belts 2, by the ungrounded side of intermediate calender rolls 54 supporting crawler belts 2.

In addition, have: the end transport conveyer belt 60 that is configured in the bottom in a storehouse 6; Be configured in the vertical transport conveyer belt 61 at the rear portion in a storehouse 6.About end transport conveyer belt 60 extend along fore-and-aft direction in the bottom in grain storehouse 6, carry the grain of grain 6 bottoms, storehouse towards the lower end side of the vertical transport conveyer belt 61 that arranges vertically.Vertical transport conveyer belt 61 extends along the vertical direction at the rear portion in grain storehouse 6, and discharges the conveying top side of screw feeder 8 towards the grain that is in 6 right sides, a storehouse, carries grain from vertical transport conveyer belt 61 upper end side.Grain in the grain storehouse 6 is transported to the throwing mouth of a valley 8a that grain is discharged screw feeder 8 front ends (feeding terminal side).

Grain is discharged the upper end side that screw feeder 8 can be supported in up and down vertical transport conveyer belt 61 rotationally, and can consist of up and down grain and discharge the feeding terminal side of screw feeder 8 and namely throw mouth of a valley 8a side.In addition, around the conveyor shaft core (horizontal direction) of vertical transport conveyer belt 61, can consist of movably the throwing mouth of a valley 8a side of grain discharge screw feeder 8.That is, make and throw the travel underside of forward of body 1 of mouth of a valley 8a side direction and move, take in grain in the right side in bridge 5 and grain storehouse 6 by screw feeder frame 8b and discharge screw feeder 8.On the other hand, the feeding terminal side that makes grain discharge screw feeder 8 is namely thrown mouth of a valley 8a side and is risen, and make the side of the body 1 that travels or rear to throwing mouth of a valley 8a side shifting, making grain discharge screw feeder 8 gives prominence to side or the rear of the body 1 that travels, make the microscope carrier of throwing mouth of a valley 8a and truck or container etc. relative, thus, the grain in the grain storehouse 6 are sent the microscope carrier of truck or container etc.

Below, the structure of sheller unit 9 is described with reference to Fig. 4.As shown in Figure 4, sheller unit 9 has: the threshing cylinder 21 that the grain straw threshing is used; The swing screening plate 26 that the threshing object that drops in the below of subtend threshing cylinder 21 screens; With Rice winnowing fan 29.The toe lateral of threshing cylinder 21 is towards the threshing mouth 9a that is communicated with supply chamber 11, and the rear side of threshing cylinder 21 is to the dust-exhausting port 34 at sheller unit 9 rear portions.That is, the rear portion side of threshing cylinder 21 is more outstanding than the rear end of the block 24 that grain is leaked down.The rear portion downside of threshing cylinder 21 (do not block 24 opening portion) becomes dust-exhausting port 34.In addition, the rotating shaft heart yearn of threshing cylinder 21 follows direct of travel (fore-and-aft direction) extension of sailing body 1.The inner surface side of the left and right sides wall body front portion in sheller unit 9 is provided with the hang plate 119 that tilts below tiltedly towards left and right sides center side.The threshing object that has made by threshing cylinder 21 threshings by this hang plate 119 relies on the left and right sides center side that swings screening plate 26.Cut grain straw from reaping apparatus 3 via supply chamber 11 and beater 18 whole quilts that are put into the threshing mouth 9a of sheller unit with measuring pass through threshing cylinder 21 by threshing.

Be positioned at the swing screening plate 26 of block 24 belows by swing connecting bar 35 can forwards tiltedly below and oblique upper reciprocally swinging ground, rear consist of.Have at swing screening plate 26: the cereal dish 36 that is positioned at the lower front of block 24; Regulate grain leak down the movable chaff sieve 37 of amount and fixedly chaff sieve 38; Be configured in the cereal sieve 39 between movable chaff sieve 37 and the one-level conveyer mechanism 30; And the stalk sieve 40 that arranges continuously with the rear end side of fixing chaff sieve 38.By threshing and drop to from 24 threshing objects that are scattered of blocking on the cereal dish 36 of swing screening plate 26 of reciprocally swinging, and be sent to the chaff sieve 37,38 at rear by threshing cylinder 21.Threshing object on the chaff sieve 37,38 utilizes this chaff sieve 37,38 self to carry out the proportion screening, and is subject to the screening wind that rearward flows from Rice winnowing fan 29, is separated into grain and stalk bits.

Remove dust wherein and be collected into one-level conveyer mechanism 30 by the screening wind of Rice winnowing fan 29 from movable chaff sieve 37 and cereal sieve 39 grain that fall (primes).The grain that takes out from one-level conveyer mechanism 30 is admitted to, is collected in the storehouse 6 by the conveyer belt 32 of winnowing.Seconds that can not be by movable chaff sieve 37 and cereal sieve 39 or sieve the secondary conveyer mechanism 31 that 38 seconds that fall are collected into one-level conveyer mechanism 30 rears from fixing chaff.The seconds that is collected into secondary conveyer mechanism 31 is screened again by the upper surface side that second-stage reduction conveyer belt 33 returns swing screening plate 26.Heavier stalk bits on the chaff sieve 37,38 are through being discharged to outside the machine from dust-exhausting port 34 on the stalk sieve 40.

Below, illustrate that with reference to Fig. 5 to Fig. 7 the driving of combine is constructed.As shown in Figure 5, comprise the hydraulic pressure pump case 66 that the speed change of travelling of the ridden in left or right direction hydraulic pump 65 with a pair of swash plate changeable type is used.Engine 7 is carried in the right side rear upper surface of body 1 of travelling, and hydraulic pressure pump case 66 is configured in body 1 upper surface that travels in engine 7 left sides.In addition, about the rearward end of track frame 50 reduction gear box 63 about being provided with respectively.About reduction gear box 63 on dispose respectively the hydraulic motor 69 that travels.Link the output shaft 67 that travels and drive power shaft 64 and rearward give prominence to from engine 7 of rearward giving prominence to from hydraulic pressure pump case 66 by engine output belt 231.Body 1 upper surface side of travelling in sheller unit 9 rear portion side is provided with engine 7 and hydraulic pressure pump case 66, and disposes hydraulic pressure pump case 66 between engine 7 and sheller unit 9.

In addition, the driving lifting also is arranged on the same axis 64 with the hydraulic pump 65 that travels with the slippage pump 68 of hydraulic cylinder 4 grades.In addition, will lifting be configured on the engine 7 with hydraulic pump 70 with the operation of hydraulic cylinder 4 or level control with work such as hydraulic cylinders 19, and with travel hydraulic pump 65 similarly, by engine 7 driving slippage pumps 68 and operation usefulness hydraulic pump 70.

By said structure, the driver output of engine 7 is passed to ridden in left or right direction hydraulic pump 65 via output shaft 67.Drive independently respectively ridden in left or right direction hydraulic motor 69 by ridden in left or right direction hydraulic pump 65, by ridden in left or right direction hydraulic motor 69 the crawler belt 2 positive and negative forward-reverses of transferring in the left and right sides are moved.In addition, the rotary speed of control ridden in left or right direction hydraulic motor 69, make the rotary speed of the left and right sides crawler belt 2 that drives by ridden in left or right direction hydraulic motor 69 different, and the travel moving direction (travel path travels) of body 1 of change, carry out direction conversion on the ground ridge in farmland etc.

That is, pair of right and left is travelled on the hydraulic pump 65 that travels of hydraulic motor 69 about being connected via closed loop hydraulic circuit.Drive left and right sides crawler belt 2 by drive sprocket 51 along direction of advance or direction of retreat by ridden in left or right direction hydraulic motor 69.Gear lever 43,44 about the operator handles, the swash plate angle (speed Control) of the hydraulic pump 65 that travels about regulating respectively, thus, rotating speed or the direction of rotation of the hydraulic motor 69 that travels about changing respectively, about crawler belt 2 driven independently of each other, thereby the body 1 that travels advances mobile or retreats movement.

Such as Fig. 5～shown in Figure 7, has the threshing cylinder driving box 71 of axle supporting threshing power shaft 72.Threshing power shaft 72 is driven belt 232 via threshing to be attached on the driving power shaft 64 that travels.Via and used the threshing clutch 233 of idler roller and threshing to drive belt 232, the power of engine 7 is driven power shaft 64 from travelling is delivered to threshing power shaft 72.In addition, by operator's bar operation threshing clutch 233 is carried out switching controls.In addition, threshing power shaft 72 drives one distolateral (rear end side) that belt 234 is attached at cylinder shaft 20 via threshing cylinder.By the handover operation of threshing clutch 233, drive control threshing cylinders 21 via threshing power shaft 72, the grain straw that has dropped into from beater 18 is by continuously threshing of threshing cylinder 21.

And, be provided with harvesting screening input magazine 73 at the front wall of sheller unit 9.To gather in screening power shaft 74 axles is bearing on the harvesting screening input magazine 73.To gather in another distolateral (front) that one distolateral (right-hand end) of screening power shaft 74 is attached at cylinder shaft 20 via bevel gear 75.Drive belt 238 via beater and will gather in the left end that another distolateral (left end) of screening power shaft 74 is attached at the beater axle 82 of axle supporting beater 18.The left end of beater axle 82 is attached at the left end of the selection by winnowing arbor 76 of axle supporting Rice winnowing fan 29 via screening input belt 235.Selection by winnowing arbor 76 is attached at the left end of the secondary conveyor shaft 78 of the left end of one-level conveyor shaft 77 of one-level conveyer mechanism 30 and secondary conveyer mechanism 31 via belt-driven belt 237.Be attached at the left end that axle supports the wobble drive axle 79 of the bent axle shape that swings screening plate 26 rear portions via swinging the left end of screening belt 236 with secondary conveyor shaft 78.

In addition, drive the conveyer belt 32 of winnowing by one-level conveyor shaft 77, the one-level screening grain of one-level conveyer mechanism 30 is collected in the storehouse 6.In addition, drive second-stage reduction conveyer belt 33 by secondary conveyor shaft 78, the secondary screening grain that is mixed with the stalk bits of secondary conveyer mechanism 31 returns the upper surface side that swings screening plate 26.Screening input belt 235, swing are screened the combination of belt 236 and belt-driven belt 237 and drive belt to the screening that grain sorting mechanism 10 transferring power are used suitable.

On the other hand, drive belt 241 by harvesting and gather in the left end that clutch 242 is attached at the left end of the harvesting power shaft 89 of the feeding terminal side of axle supporting supply conveyer belt 17 on beater axle 82.The right-hand end that to gather in power shaft 89 by header drive chain 90 is attached on the header driving shaft 91 that is arranged at cereal header 12.Header driving shaft 91 is attached at axle supporting hugs hugging on the collection axle 93 of collection screw feeder 13 by hugging collection drive chain 92.By jackshaft 95 and drum driven chain 96,97 header driving shaft 91 is attached on the drum shaft 94 of axle supporting rake cylinder 14.In addition, by cutting blade driving crank mechanism 98 cutting blade 15 is attached at the right-hand end of header driving shaft 91.By the handover operation of harvesting clutch 242, drive control and supply with conveyer belt 17, hug collection screw feeder 13, rake cylinder 14 and cutting blade 15, gather in continuously the fringe point side of not cutting grain straw in farmland.

Such as Fig. 1, Fig. 5 and shown in Figure 6, comprising reaping apparatus 3, sheller unit 9 and the body 1 that travels with driver seat 42 with threshing cylinder 21, supply with the ordinary combine harvester of grain straw to sheller unit 9 by supply chamber 11 and beater 18 from reaping apparatus 3, engine 7 is carried at the rear portion of travelling body 1, the transmission of power of engine 7 is supported the rear end side of the cylinder shaft 20 of threshing cylinder 21 to axle, on the other hand, from the front of cylinder shaft 20 with the transmission of power of engine 7 to reaping apparatus 3 and beater 18, drive beater 18 by cylinder shaft 20, and by beater 18 driving reaping apparatuses 3, thereby by engine 7 being configured in the rear portion of the body 1 that travels, the wide large-scale reaping apparatus 3 of harvesting width can be supported with having good stability, and the anterior-posterior balance of the body 1 that travels can be improved.That is, can improve harvest operation in paddy field etc. or the mobility in the poor road.In addition, utilize cylinder shaft 20 with the transmission of power of engine 7 to beater 18 and reaping apparatus 3, thereby even reaping apparatus 3 and engine 7 are set discretely, also can consist of simply from engine 7 to beater 18 or the drive path of reaping apparatus 3.That is, can improve the upkeep operation etc. of the driving structure of reaping apparatus 3 or sheller unit 9 etc.

And, as shown in Figure 5, discharge the rearward end that clutch 245 is attached at the rear end side of the end transport conveyer belt axle 103 of end transport conveyer belt 60 the driving power shaft 64 that travels by grain discharge belt 244 and grain.By the distolateral rearward end that be attached at end transport conveyer belt axle 103 of vertical feed drive chain 104 with bottom jackshaft 105.By bevel gear mechanism 107 another distolateral lower end side that is attached at the vertical transport conveyer belt axle 106 of vertical transport conveyer belt 61 with jackshaft 105.By the distolateral upper end side that be attached at vertical transport conveyer belt axle 106 of bevel gear mechanism 108 with top jackshaft 109.It is distolateral to discharge distolateral another of top jackshaft 109 of being attached at that drive chain 110 discharges axle 111 with grain by grain.The conveying top side of grain being discharged the discharge screw conveyor shaft 112 of screw feeder 8 by bevel gear mechanism 113 is attached at grain, and to discharge another of axle 111 distolateral.By the handover operation of grain discharge clutch 245, drive control end transport conveyer belt 60, vertical transport conveyer belt 61 and grain and discharge screw feeder 8, the grain in the storehouse 6 are discharged to truck microscope carrier or container etc.

In addition, as shown in Figure 2, be provided with the grain outlet 221,222 of front and back in the bottom in grain storehouse 6.In addition, body 1 upper surface side of travelling below grain outlet 221,222 can dispose rice adapting table 223 with passing in and out.Support under the state of rice adapting table 223 at the work posture with level, the operator beyond the operator of driver seat 42 takes at rice adapting table 223, the rice bag is installed in not shown rice accepts rod, and the grain in the grain storehouse 6 are discharged to this rice bag.The rice bag of having filled grain tumbles farmland and recovery from rice adapting table 223.

Utilize said structure, by discharge the grain in the grain storehouse 6 from grain outlet 221,222, can not interrupt gathering in the grain in the discharge grain storehouse, threshing operations ground 6.That is, compare with the operation of discharging the grain in the grain storehouses 6 from grain discharge screw feeder 8, need hardly to interrupt gathering in threshing operations, thereby in harvest operation, can shorten the time of interrupting the harvesting threshing operations, and can improve the harvest operation energy rate.

Below, the hydraulic construction of combine is described and travels the driving structure with reference to Fig. 8 to Figure 11.As shown in Figure 8, have as hydraulic actuating mechanism: described harvesting lifting hydraulic cylinder 4; Described level control hydraulic cylinder 19; Can support up and down rake cylinder 14 about the cylinder lifting with hydraulic cylinder 251; Can support up and down grain and discharge the screw feeder lifting hydraulic cylinder 252 of screw feeder 8.By controlling with electromagnetic hydraulic valve 253 by the level of level control quilt control work with the operation of switch 254, operation is arrived level control hydraulic cylinder 19 with hydraulic pump 70 hydraulic connectings.Operator's operant level is controlled with switch 254, makes level control with hydraulic cylinder 19 work, thus, the tilting of body 1 of travelling is maintained in level or arbitrarily inclination.In addition, details is not shown, but is provided with level control switch in the upper end of harvesting posture bar 45.

In addition, with hand-operated hydraulic valve 255 operation is arrived harvesting lifting hydraulic cylinder 4 with hydraulic pump 70 hydraulic connectings by gathering in lifting.By the operation that harvesting posture bar 45 is toppled over along fore-and-aft direction, the harvesting lifting is worked with hydraulic cylinder 4, the operator makes reaping apparatus 3 lifting moving arrive arbitrarily height (such as harvesting height or non-operation height etc.).On the other hand, use hydraulic pump 70 hydraulic connectings to cylinder lifting hydraulic cylinder 251 operation by the cylinder lifting with hand-operated hydraulic valve 256.By the operation that harvesting posture bar 45 is toppled over along left and right directions, the cylinder lifting is worked with hydraulic cylinder 251, the operator makes rake cylinder 14 lifting moving to highly gathering in arbitrarily the grain straw that do not cut in farmland.

On the other hand, use hydraulic pump 70 hydraulic connectings to screw feeder lifting hydraulic cylinder 252 operation by the screw feeder lifting with hand-operated hydraulic valve 257.By making grain discharge the operation that bar 47 is toppled over along fore-and-aft direction, the screw feeder lifting is worked with hydraulic cylinder 252, the throwing mouth of a valley 8a lifting moving that the operator makes grain discharge screw feeder 8 arrives arbitrarily height.In addition, make grain discharge screw feeder 8 along continuous straight runs by electro-motor (omitting diagram) and rotate, make and throw mouth of a valley 8a along transverse shifting.That is, make and throw the top that mouth of a valley 8a is positioned at truck microscope carrier or container, and the grain in the grain storehouse 6 is discharged in truck microscope carrier or the container.

And, as shown in Figure 8, by about close hydraulic circuit 261 respectively with about travel hydraulic motor 69 hydraulic connectings to about the hydraulic pump 65 that travels.By servo valve mechanism 262 respectively with about the output of the travel hydraulic pump 65 of gear lever 43,44 about being attached to regulate and use swash plate 65a, with about gear lever 43, the angle of inclination of 44 fore-and-aft direction change pro rata the supporting angle that usefulness swash plate 65a is regulated in output.Namely, by about the travel hydraulic motor 69 of the hydraulic pump 65 that travels about driving respectively, about the reduction gear 263 of driving force by reduction gear box 63 of the hydraulic motor 69 that the travels crawler belt 2 about being passed to respectively, about crawler belt 2 forward direction or direction of retreat driven.

In said structure, topple over to body the place ahead by the gear lever 43 about making, 44, can with about gear lever 43,44 the proportional speed of a motor vehicle in angle of inclination that body 1 forward direction of travelling is kept straight on is mobile.Topple over to the body rear by the gear lever 43 about making, 44, with about gear lever 43,44 the proportional speed of a motor vehicle in angle of inclination (reversing) direction of drawing back keep straight on mobile.On the other hand, gear lever 43 about making, 44 is in the different situation in the angle of inclination in body the place ahead, gear lever 43 about making, 44 is in the different situation in the angle of inclination at body rear, or the gear lever about making 43,44 any one party topple over and make to body the place ahead in the situation of toppling at other direction body rear, the travel travel path of body 1 of to the left and right adjustment in direction.

In other words, in the different situation of gear lever 43 about making, 44 operational ton or direction of operating, can with about gear lever 43,44 the proportional speed of a motor vehicle in angle of inclination and with about gear lever 43, the proportional turning radius of difference at 44 angle of inclination, the to the left and right direction cycle of body 1 of travelling is moved.In addition, by oil cooler 264 and line filter 265 with about the hydraulic oil that hydraulic circuit 261 is connected to slippage pump 68 that closes discharge side, to the left and right close working oil in hydraulic circuit 261 make-up tanks 266.Body 1 upper surface that travels in the left side of the fuel tank 267 of engine 7 is equipped with fuel tank 266, disposes driver seat 42 at the upper side of fuel tank 267 by seat support 268.

And, extremely shown in Figure 11 such as Fig. 9, at the engine 7 on the right side upper surface that carries body 1 rear portion of travelling with carry between the right side wall body of the sheller unit 9 on the left side upper surface of the body 1 that travelling, the hydraulic pressure pump case 66 of the hydraulic pump 65 that travels about being built-in with is fixedly installed on the upper surface side of the body 1 that travels by anterior supporting mass 271 and rear support body 272.The U font pars intermedia of anterior supporting mass 271 is fastened on the upper surface of the body 1 that travels by bolt 273.The left and right side of hydraulic pressure pump case 66 is fastened on the U font both ends of anterior supporting mass 271 by bolt 274.That is hydraulic pressure pump case 66 front portions that, dispose slippage pump 68 are supported on the body 1 that travels by anterior supporting mass 271.

Such as Figure 10 and shown in Figure 11, be fastened on the erecting bed 275 of body 1 upper surface side of travelling by the bottom surface side of bolt 276 with rear support body 272.The back side of hydraulic pressure pump case 66 is fastened on the front face side of rear support body 272 by bolt 277.Extend towards the rear from the back of rear support body 272 supporting arm body 272a is set, the lower end side of rear bearings body 278 is fastened on the rearward end of supporting arm body 272a by bolt 279.

In addition, the rear end side that making travels drives power shaft 64 is outstanding towards the rear from the back of hydraulic pressure pump case 66, making the driving power shaft 64 that travels run through rear support body 272 and rear bearings body 278.Drive on the power shaft 64 travelling between described rear support body 272 and the rear bearings body 278, the axle supporting is wound with engine and exports the engine output transmission belt wheel 280 of belt 231 and be wound with the threshing output transmission belt wheel 281 that threshing drives belt 232.With the grain that is wound with grain and discharges belt 244 discharge driving pulley 282 axles be bearing in from rear bearings body 278 rearward outstanding travelling drive the rearward end of power shaft 64.That is, will export transmission belt wheel 280, threshing output transmission belt wheel 281 and grain discharge driving pulley 282 axles as the engine of relative belt wheel be bearing on the driving power shaft 64 that travels of the relative axle of conduct.

And, engine output pulley 283 axles are bearing on the output shaft 67 of engine 7, engine is exported belt 231 be wound between engine output transmission belt wheel 280 and the engine output pulley 283.The threshing of large footpath side input belt wheel 284 axles are bearing in the distolateral of threshing power shaft 72, threshing are driven belt 232 be wound on threshing output and transmit between the threshing input belt wheel 284 of belt wheel 281 and large footpath side.It is distolateral that the threshing of path side input belt wheel 285 axles are bearing in another of threshing power shaft 72, and threshing cylinder is driven between the threshing input belt wheel 285 that belt 234 is wound on threshing cylinder input belt wheel 286 on the cylinder shaft 20 and path side.In addition, grain is discharged the rear end side that belt wheel 287 axles are bearing in end transport conveyer belt axle 103, grain is discharged belt 244 be wound between grain discharge driving pulley 282 and the grain discharge belt wheel 287.That is, the engine output pulley 283 on the output shaft 67 of engine 7, relatively the threshing input belt wheel 284 of the relative belt wheel 280～282 on the axle 64 and sheller unit 9 can transmission of power ground by centralized configuration in the rear portion side of body 1 of travelling.

In said structure, the driving force of exporting from engine 7 is branched and transmits by driving power shaft 64 as travelling of relative axle.That is, the output of engine 7 drives the hydraulic pump 65 that travels about power shaft 64 is passed to from travelling.In addition, the output of engine 7 is transmitted belt wheel 281 from the threshing output on the driving power shaft 64 that travels and is driven the cylinder shaft 20 that belt 234 is passed to sheller unit 9 via threshing driving belt 232 and threshing cylinder.On the other hand, the output of engine 7 is passed to grain discharge screw feeder 8 from the grain discharge driving pulley 282 on the driving power shaft 64 that travels via grain discharge belt 244.

Such as Fig. 1, Fig. 5, Fig. 7 and shown in Figure 9, rear portion at the body 1 that travels is equipped with engine 7, be provided with sheller unit 9 and grain storehouse 6 at the body 1 that travels, dispose reaping apparatus 3 in the place ahead of sheller unit 9, in such combine, parallel with the output shaft 67 of engine 7 and be provided with the driving power shaft 64 that travels as relative axle in the sustained height position, with the engine output pulley 283 on the output shaft 67, the threshing input belt wheel 284 of the relative belt wheel 280～282 on the axle 64 and sheller unit 9 disposes (centralized configuration) in the rear surface of travelling body 1 with flushing relatively, is assembled into compactly the back side of engine 7 or the back side of sheller unit 9 thereby the threshing of 9 transferring power from engine 7 to sheller unit can be driven belt 232 grades.That is, can so that be used for from engine 7 to sheller unit 9 or the belt drives structure of grain storehouse 6 transferring power compact and simplify.In addition, the engine output that is wound with output belt 231 of engine 7 can be transmitted the relative belt wheel of belt wheel 280() be configured in the position that the vibration of engine 7 reduces.

And, by the rear portion of the open body 1 that travels, can carry out simply from the rear side of the body 1 that travels replacing or the upkeep operation of the output belt 231 of engine 7 or the threshing driving belt 232 of sheller unit 9 etc.That is, can simplify the transmission of power structure of engine 7, and improve processing operation.And, can utilize in addition the back side in a storehouse 6 to assemble simply the advantage that grain is discharged the such accessory of the prefilter of the vertical transport conveyer belt 61 of screw feeder 8, engine 7 and muffler.

Such as Fig. 5, Fig. 7 and shown in Figure 9, about having travel hydraulic pump 65 and about the hydraulic motor 69 that travels, by about travel hydraulic motor 69 work of the hydraulic pump 65 that travels about making, crawler belt 2 about driving, in such structure, since with about the hydraulic pump 65 that travels be configured in to travel and drive on the power shaft 64, so can be adjacent to the hydraulic pump 65 that travels is arranged in the engine bin compactly with engine 7.In addition, can carry out the air cooling to the hydraulic pump 65 that travels simply by the cooling air of engine 7.About can simplifying travel hydraulic pump 65 and about the hydraulic piping structure etc. of the hydraulic motor 69 that travels, and improve the drive efficiency of crawler belt 2.

Such as Fig. 5, Fig. 7 and shown in Figure 9, engine 7 is carried on the body 1 that travels of grain storehouse 6 lower rear, the grain in grain storehouse 6 is discharged the back that belt wheel 287 and described each belt wheel 280,281,282 are configured in the body 1 that travels with flushing, thereby by the rear portion of the open body 1 that travels, can carry out simply from the rear side of the body 1 that travels replacing or the upkeep operation of the grain discharge belt 244 in a storehouse 6.Can simplify the transmission of power structure to grain storehouse 6, and improve processing operation.

Below, the lid structure of the left side wall body in the sheller unit 9 is described with reference to Fig. 1, Fig. 6 and Figure 12～Figure 14.Shown in Fig. 6 waits, below the harvesting screening power shaft 74 of giving prominence to the left and right from the harvesting screening input magazine 73 of sheller unit 9 front portions, dispose beater 18 and the beater axle 82 that grain straw is accepted usefulness.By beater drive belt 238 from harvesting screening power shaft 74 with transmission of power to beater axle 82.Be delivered to the power of beater axle 82 towards reaping apparatus 3 and grain sorting mechanism 10, distributed by front and back on the left side wall side of sheller unit 9.Namely, drive belt 241 via harvesting and gather in clutch 242 with the harvesting power shaft 89 of transmission of power to the feeding terminal side of axle supporting supply conveyer belt 17 from beater axle 82, and via screening input belt 235 transmission of power is arrived winnower winnowing machine (Tang's dustpan) axle 76.In this situation, harvesting power shaft 89 and selection by winnowing arbor 76 are positioned at than beater axle 82 position more on the lower.

Such as Fig. 1 and shown in Figure 6, the outer surface side of the left side wall body in the sheller unit 9 is covered along reaching up and down tandem 4 lids 121～124 totally.These lids 121～124 are basically for the protection of the movable part (belt wheel and belt etc.) in the left side that is in combine.Bottom front cover body 123 blocks the movable part of harvesting power shaft 89, selection by winnowing arbor 76, bottom rear cover body 124 block in the grain sorting mechanism 10 than selection by winnowing arbor 76 more by the movable part at rear.Top front cover body 121 blocks the movable part of harvesting screening power shaft 74 and beater axle 82, the left side of blocking threshing cylinder 21 as the top rear cover body 122 of horizontal side plate.The front and back lid 123 of bottom, 124 and top front cover body 121 can be installed in removably the outer surface side of the left side wall body in the sheller unit 9.

Top rear cover body 122 can be take the longitudinal axis 125 that is in its toe lateral as rotating fulcrum be set up rotationally along horizontal switching.That is, namely the front of a pair of crossing frame 126 is more outstanding than the front end face of top rear cover body 122 up and down for the reinforcement of top rear cover body 122.The outstanding end of each crossing frame 126 can be articulated in the cradle portion 127 at up and down two places of the forward outer surface side that is arranged on the left side wall body in the sheller unit 9 rotationally by the longitudinal axis 125.As shown in figure 12, the upper side of the left side wall body in sheller unit 9 is formed with the rectangular aperture section 128 towards threshing cylinder 21.If close top rear cover body 122, then the rectangular aperture section 128 of sheller unit 9 is plugged, if open top rear cover body 122, then threshing cylinder 21 or the right block 24b(of the section details towards rectangular aperture section 128 illustrates in the back) expose.

Such as Fig. 6 and shown in Figure 12, the movable part of the movable part of harvesting screening power shaft 74 and beater axle 82, harvesting power shaft 89 and the movable part of grain sorting mechanism 10 be positioned at top rear cover body 122 around, and arrange round at top rear cover body 122.Therefore, although described each movable part and top rear cover body 122 all are in the left side wall side of sheller unit 9, the switching around the longitudinal axis 125 of top rear cover body 122 is rotated and also can not interfered with described each movable part.

On the other hand, the block 24 of embodiment is to form latticed up concave type structure, and constituting by a pair of block 24a of section, the 24b that can cut apart along left and right directions.Be near the right side wall body of sheller unit 9 the right block 24b of section and be fixed on the front wall of sheller unit 9 or right side wall body etc.Be in the inner surface side that near the top rear cover body 122 left block 24a of section are fixed on top rear cover body 122, with top rear cover body 122 unitary rotation.Under the state of closing top rear cover body 122, the docking of the lower surface of the left and right sides center side among two 24a of block section, the 24b also overlaps, and surrounds the Lower Half of threshing cylinder 21 by a pair of block 24a of section, 24b.

Such as Figure 12 and shown in Figure 14, the outer surface side of the back wall body in sheller unit 9, the fastening shank 129 of lengthwise before and after being provided with.On the other hand, in the rear portion side of top rear cover body 122, can be provided with rotating operation and can break away from the shank 130 that the ground hook engages with fastening shank 129 combinations on back face wall side.Shank 130 is stretched spring 131 all the time to the direction application of force that engages with fastening shank 129 hooks.When closing top rear cover body 122, shank 130 engages with fastening shank 129 hooks on back face wall side, and thus, top rear cover body 122 is maintained at closed condition.In addition, in the rear portion side of top rear cover body 122, offer the handle hole 132 that the handle axial region for shank 130 runs through.

When opening top rear cover body 122, pull down in advance top front cover body 121, again shank 130 is removed the direction rotating operation to engaging, make top rear cover body 122 open to the left rotation and get final product.Like this, around vertical axes, threshing cylinder 21, the right block 24b of section in the sheller unit 9 expose top rear cover body 122 with the left block 24a of section.When closing top rear cover body 122, the free end side of top rear cover body 122 is pressed to sheller unit, making it close rotation to right can realize.

According to above structure, comprising the reaping apparatus 3 with cutting blade 15, with have threshing cylinder 21 and 24 the sheller unit 9 of blocking, cut the ordinary combine harvester of grain straw to described sheller unit 9 supplies by supply chamber 11 and beater 18 from described reaping apparatus 3, the grain storehouse 6 be configured in described sheller unit 9 about a side, be provided with and open and close the horizontal side plate 122 that rotates around the longitudinal axis 125 in the other side, the left and right sides of described sheller unit 9, the rotation of opening by described horizontal side plate 122, described threshing cylinder 21 and described block 24 in the described sheller unit 9 are exposed, and the setting height(from bottom) ground that can change hardly described horizontal side plate 122 opens and closes described horizontal side plate 122.Thus, height of operator etc. no matter can both easily be carried out the opening and closing operations of described horizontal side plate 122, does not have the inconvenience of the such opening and closing operations of above-mentioned prior art.In addition, described horizontal side plate 122 opens and closes around the longitudinal axis 125 and rotates, and, has adopted the structure that horizontally rotates that is, thereby even without the executing agency of the such cylinder of above-mentioned prior art etc., also described horizontal side plate 122 can be maintained open mode.Thus, do not need to guarantee the configuration space of executing agency, can also cut down the part number, help the inhibition of manufacturing cost.

In addition, described block 24 is constituted by a pair of block 24a of section, the 24b's that can cut apart along left and right directions, the inner surface side that is installed in described horizontal side plate 122 near the described left block 24a of section of described horizontal side plate 122 with described horizontal side plate 122 unitary rotation, if thereby open described horizontal side plate 122, then the described left block 24a of section also opens rotation with described horizontal side plate 122 around the described longitudinal axis 125.Thus, can significantly open described threshing cylinder 21 in the described sheller unit 9 and the side space of described block 24 peripheries, it is easy that cleaning work, upkeep operation become.

Especially in embodiment, the described horizontal side plate 122 of ratio in described sheller unit 9 has grain sorting mechanism 10 in the position more on the lower, between described supply chamber 11 and described sheller unit 9, described beater 18 is configured in the front position more on the lower of cylinder shaft 20 of supporting the front and back lengthwise of described threshing cylinder 21 than axle, be passed to described beater 18 at the power of the engine 7 at the rear portion of the body 1 that travels via described cylinder shaft 20 by lift-launch, be passed to the power of described beater 18 towards described reaping apparatus 3 and described grain sorting mechanism 10, opposite side at described sheller unit 9 is separately distributed by front and back, although the power-transmission system to described reaping apparatus 3 and described grain sorting mechanism 10, all be in the opposite side of described sheller unit 9 with described horizontal side plate 122 both sides, but dispose round at described horizontal side plate 122 places to the power-transmission system of described reaping apparatus 3 and described grain sorting mechanism 10.Thus, the opposition side that side can be set from grain storehouse 6 is carried out the upkeep operation of described threshing cylinder 21 or described block 24 and simply for the upkeep operation both sides to the power-transmission system of described reaping apparatus 3 and described grain sorting mechanism 10, upkeep operation raising.In addition, when carrying out the switching of described horizontal side plate 122, do not need to pull down the power-transmission system (such as various belts etc.) to described reaping apparatus 3 and described grain sorting mechanism 10, good thereby the opening and closing operations of described horizontal side plate 122 also becomes.

Below, the detailed structure of threshing cylinder 21 is described with reference to Figure 15 and Figure 16.Such as Figure 15 and shown in Figure 16, the threshing cylinder 21 of embodiment is by the supporting mass 140 that forms discoid front and back multi-disc and circumferentially arranging the many skeletons 145 that ground arranges with appropriate intervals and form roughly cage shape along them.Supporting mass 140 is made of front support body 141, rear support body 142 and 2 intermediate support bodies 143.Cylinder shaft 20 runs through each supporting mass 140(141～143 to wear the string shape) central portion, each supporting mass 140(141～143) be fixed rotatably with cylinder shaft 20 one.Be provided with the threshing oralia 144 of truncated cone shape in the front face side of front support plate 141.Be taken into blade 25 outstanding being provided with of the outer circumferential side of threshing oralia 144.

Each skeleton 145 extends abreast with cylinder shaft 20, and is bonded rotatably with cylinder shaft 20 one by each supporting mass 140.Skeleton 145 is bars of section polygon.The skeleton 145 of embodiment consists of (with reference to Figure 16) by rectangle pipe material.When threshing is processed, cut grain straw to enter in the inner space of cage shape of threshing cylinder 21.Thus, be transported in the sheller unit 9 even a large amount of quilts cuts grain straw, also can in described inner space, accommodate temporarily and be cut grain straw and carry out the threshing processing, can prevent that the urgency of threshing load from increasing.On each skeleton 145, to the outstanding bar-shaped threshing tooth 146 of radial outside at spread configuration in large quantities on the length direction of cylinder shaft 20.In embodiment, adopt the bar-shaped threshing tooth 146 of pole shape (cross section is circular).

As shown in figure 16, when observing from the axis direction of cylinder shaft 20, the side of the length direction one side 145a(radial outside of each skeleton 145) along the rolling tangential direction of threshing cylinder 21.Be provided with bar-shaped threshing tooth 146 in that this length direction one side 145a is vertical.When threshing is processed, 2 bights by the radial outside on the skeleton 145 and promote to be cut the flailing action of grain straw with the opposed side of the direction of rotation of threshing cylinder 21.According to the interaction of each bar-shaped threshing tooth 146 and each skeleton 145, can be efficiently from being cut the grain straw separation or being laid grain.

Cylinder shaft 20 in intermediate support body 143 run through part around, a plurality of through holes 147 surround cylinder shafts 20 ground and form.These each through holes 147 are for forming 143 lightweights of intermediate support body, but the leak performance function of also cutting grain straw as the quilt of the inner space of the cage shape that enters threshing cylinder 21.Thus, can shorten the holdup time that the quilt that enters described inner space cuts grain straw, the expulsion efficiency that helps to be cut grain straw (row's stalk) by the quilt that threshing has been processed improves.That is, can realize the reduction of the stalk bits treating capacity in the grain sorting mechanism 10, and realize the reduction of threshing load and the raising of threshing and screenability.

According to above structure, comprising the reaping apparatus 3 with cutting blade 15, with the sheller unit 9 with threshing cylinder 21, cut the ordinary combine harvester of grain straw to described sheller unit 9 supplies by supply chamber 11 from described reaping apparatus 3, described threshing cylinder 21 has and extends abreast with cylinder shaft 20 and along the many skeletons 145 of the section polygon of the circumferential array of described threshing cylinder 21, and the outside outstanding a plurality of bar-shaped threshing tooth 146 that is arranged on the described skeleton 145, by support plate 140 described each skeleton 145 is bearing on the described cylinder shaft 20, thereby described each bar-shaped threshing tooth 146 not only also has described each skeleton 145 of section polygon to promote to be cut the flailing action of grain straw.Because described each skeleton 145 be section polygon, so for being resultful from cutting the grain straw separation or laying grain.Compare with above-mentioned prior art, described each skeleton 145 is further brought into play function as the accessory that is used for the threshing processing.Therefore, can realize simultaneously that simplifying the cost degradation and the threshing efficiency that bring by structure improves.

In addition, in embodiment, described each skeleton 145 is made of rectangle pipe material, make the length direction one side 145a of described each skeleton 145 along the rolling tangential direction of described threshing cylinder 21, thereby when carrying out threshing and processing, 2 bights by the radial outside on the described skeleton 145, promote to be cut the flailing action of grain straw with the opposed side of the direction of rotation of described threshing cylinder 21.By the interaction of described each bar-shaped threshing tooth 146 and described each skeleton 145, can be efficiently from being cut the grain straw separation or being laid grain.And, because described length direction one side 145a is along the rolling tangential direction of described threshing cylinder 21, so can implement simply in addition described bar-shaped threshing tooth 146 is found the advantage of establishing orthogonally with respect to the direction of rotation of described threshing cylinder 21.

And, in embodiment, the described cylinder shaft 20 on the described supporting mass 143 run through the part around, a plurality of through holes 147 surround described cylinder shaft 20 ground and form, thereby described through hole 147 is not only realized the lightweight of described supporting mass 143, can also cut as the quilt of the inner space that enters the cage shape in the described threshing cylinder 21 the leak performance function of grain straw.Thus, can shorten the holdup time that the quilt that enters described inner space cuts grain straw, and the expulsion efficiency that helps to be cut grain straw (row's stalk) by the quilt that threshing is processed improves.

Below, the supporting construction in a storehouse 6 is described with reference to Figure 17～Figure 20.Had to overlook to be by the body 1 that travels of pair of right and left crawler belt 2 supporting and link the organism frame 150 that many frameworks form latticedly.Be provided with the step frame 151 that the combination box-frame forms in the front portion of organism frame 150 side.In embodiment, a pair of truss 152 of keeping right in the organism frame 150 extends forward, at the vertical step frame 151 that is provided with of the protuberance forward of these truss 152.Dispose bridge 5 at step frame 151.

Rear portion one side of the sheller unit 9 in the body 1 that travels, that is, and the right side, rear portion of organism frame 150 (rear of step frame 151), the vertical engine bin framework 153 that is provided with the box-frame shape.Engine 7 is bearing in the inside of engine bin framework 153 by vibrationproof.In embodiment, the lower end side that consists of the left vertical framework in rear portion of engine bin framework 153 is fixed on the upper surface side of the rear support body 272 on the erecting bed 275 that is anchored on organism frame 150 rear portions.Rear support body 272 is also brought into play function as the inscape of engine bin framework 153.From the position of rear support body 272 as can be known, hydraulic pressure pump case 66 is arranged in the body 1(organism frame 150 that travels) sheller unit 9 and engine 7 between.

Step frame 151 and engine bin framework 153 can not yaw ground, the left and right sides right side wall body of supporting sheller unit 9.In this situation, the left comer section of step frame 151 is attached at the right side wall body of sheller unit 9 by web 154.The anterior right corner portion of engine bin framework 153 is attached at the right side wall body of sheller unit 9 by support arm 155.And the middle part of the upper right beam framework in the engine bin framework 153 is attached at the right side wall body of sheller unit 9 by connecting block 156.

On the other hand, the lower end side in grain storehouse 6 by about hang plate 6a, 6b form and narrow shape.The end transport conveyer belt 60 of lengthwise before and after the bottom of narrowing in grain storehouse 6 disposes.The rear end side of end transport conveyer belt is outstanding backward from the back in grain storehouse 6, and is housed in the rear basifacial input case 157 that is arranged at a storehouse 6.End transport conveyer belt axle 103 runs through the back side that drops into case 157.The rear outstanding distolateral grain that is provided with at end transport conveyer belt axle 103 is discharged belt wheel 287.Input case 154 is connected the lower end side of the vertical transport conveyer belt 61 of the back side that is arranged at a storehouse 6 communicatively.In addition, the end transport conveyer belt 60 in grain storehouse 6 above be provided with mountain, cross section type before and after the eaves body 158 of lengthwise.Because of the existence of eaves body 158, the grain self in the grain storehouse 6 compresses end transport conveyer belt 60 and prevents from becoming the obstacle that grain is carried.

Such as Figure 17, Figure 18 and shown in Figure 20, the step frame 151 of front portion one side by being in organism frame 150 and the engine bin framework 153 of rear portion one side that is in organism frame 150 are from a supporting grain storehouse 6, below.In this situation, the anterior top rail framework in the rear portion of step frame 151 top rail framework and engine bin framework 153 and the central portion of rear portion top rail framework are provided with the installation bracket 161～163 for the bottom in the fixing grain of mounting storehouse 6.The bottom of the front and back lengthwise in these installation brackets 161～163 and the grain storehouse 6 is arranged in row accordingly.On the installation bracket 161 of step frame 151 sides, there is the lower end in a storehouse 6 anterior by bolted.The lower end middle part that a storehouse 6 is arranged by bolted on the anterior installation bracket 162 of engine bin framework 153.The input case 157 that the back side that is arranged on a storehouse 6 is arranged by bolted on the rear portion of engine bin framework 153 installation bracket 163.

As shown in figure 20, the part in grain storehouse 6 is that left-leaning swash plate 6a side stacks from covering sheller unit 9 ground, top.The left and right side section in grain storehouse 6 is positioned at respectively the top of corresponding track frame 50.The left and right sides width in grain storehouse 6 converges in the left and right sides width of organism frame 150.Therefore, grain storehouse 6 and sheller unit 9 both sides converge in the left and right sides width of organism frame 150.

At the body 1(organism frame 150 that travels) in step frame 151 and engine bin framework 153 between separate can operation the space.Utilize grain outlet 221 before and after arranging of the Right deviation swash plate 6b in its machine outside in grain storehouse 6,222(with reference to Fig. 2 and Figure 20).And, at the body 1(organism frame 150 that travels) in step frame 151 and engine bin framework 153 between dispose the rice adapting table 223 that can pass in and out.Between the lower face side (grain outlet 221,222) and organism frame in grain storehouse 6, separate degree that the operation that the rice bag can be installed fully and fill grain is arranged between the upper and lower every.

Such as Fig. 2 and shown in Figure 20, the outer surface side of the right side wall body in sheller unit 9, vertical establishing is supported with and will be concentrated in the conveyer belt 32 of winnowing of primes 6 lengthwises of carrying to the grain storehouse of one-level conveyer mechanism 30.The conveyer belt 32 of winnowing runs through the left-leaning swash plate 6a in a storehouse 6 from bottom to top.The lengthwise middle part of conveyer belt 32 of winnowing is attached at the left-leaning swash plate 6a in a storehouse 6 by fixed head 164.The part plate 164 that is fixed that runs through of conveyer belt 32 of winnowing is blocked.Therefore, winnow conveyer belt 32 and step frame 151, engine bin framework 153 similarly also as the reinforcement performance function from supporting grain storehouse 6, below.

In addition, in embodiment, in the upper end side of conveyer belt 32 of winnowing, can transferring power and the auxiliary conveyer belt 165 of winnowing can be installed removably.Under the state that the auxiliary conveyer belt 165 of winnowing has been installed, the upper end side of the auxiliary conveyer belt 165 of winnowing is outstanding upward from the upper surface open in grain storehouse 6.The height of winnowing when guaranteeing harvest operation because of the existence of the auxiliary conveyer belt 165 of winnowing, grain is released in the storehouse 6 dispersedly.Overall height when ordinary combine harvester is carried is by pulling down auxiliary conveyer belt 165 and the step-down of winnowing.

According to above structure, comprise the body 1 that travels that has carried as the engine 7 of power source, reaping apparatus 3 with cutting blade 15, sheller unit 9 with threshing cylinder 21, grain storehouse 6 with the grain of storage after the threshing, in such ordinary combine harvester, rear portion one side of the described sheller unit 9 in the described body 1 that travels, be provided with the engine bin framework 153 that surrounds described engine 7, the step frame 151 and the described engine bin framework 153 that support by the Drive Section 5 to the front portion that is in the described body 1 that travels, from the described grain of supporting storehouse 6, below, make the part in described grain storehouse 6 overlay the top of described sheller unit 9, thereby suppress the overall height of ordinary combine harvester lower and can guarantee fully the capacity in described grain storehouse 6, described sheller unit 9 and described grain storehouse 6 left and right sides balances can also be configured in well the described body 1(organism frame 150 that travels on this basis) left and right sides width in.Thus, performance improves the gravity balance (realizing centre of gravity) of ordinary combine harvester integral body and realizes improving the such effect of riding stability.In addition, because the left and right sides weight balancing of the described body 1 that travels is stable, so can suppress in addition the advantage of swing of the left and right sides width of the described body 1 that travels.

Especially in embodiment, opposite side at described sheller unit 9, be provided with the conveyer belt 32 of winnowing from described sheller unit 9 to described grain storehouse 6 that carry primes from, the described conveyer belt 32 of winnowing is linked described grain storehouse 6 and the described conveyer belt 32 of winnowing through described grain storehouse 6 from bottom to top, thereby the described conveyer belt 32 of winnowing is as the reinforcement performance function from the described grain of supporting storehouse 6, below.Therefore, can stably support described grain storehouse 6 by described step frame 151, described engine bin framework 153 and the described conveyer belt 32 of winnowing.And, because the described conveyer belt 32 of winnowing runs through described grain storehouse 6, so because of the existence of the described conveyer belt 32 of winnowing, can further reduce the swing of left and right sides width in the described grain storehouse 6 of left and right sides width, and then reduce the swing of the left and right sides width of the described body 1 that travels.

Below, illustrate that with reference to Figure 19, Figure 21～Figure 23 the cooling air duct of engine 7 is constructed.As mentioned above, engine 7 by vibrationproof be bearing in the private side of the engine bin framework 153 on the vertical right side, rear portion of being located at organism frame 150.The output shaft 67 of engine 7 is outstanding from the two sides, front and back of engine 7 respectively.Engine output pulley 283 is bearing in the rear protuberance of output shaft 67 by axle.Cooling fan 170 is arranged on the place ahead protuberance of output shaft 67.In the place ahead of cooling fan 170, dispose radiator 172 for engine water-cooling by fan shade 171.In engine 7, cover from the regional tegmentum body 173 of opposite side (the machine outside is the right side) towards the place ahead of radiator 172 and cooling fan 170 of a side opposite with sheller unit 9.Lid body 173 is as the cooling air duct performance function of engine 7.Via lid body 173(cooling air duct) and radiator 172, utilize cooling fan 170 to be taken into outside air, thus, aforesaid radiator 172, engine 7 and the hydraulic pressure pump case 66 that is positioned at the one side are cooled off by air.

Lid body 173 is by the sidepiece pipe 174 of the hollow frame shaped that is positioned at engine 7 right sides and be positioned at radiator 172 and the front portion of the hollow frame shaped in the place ahead of cooling fan 171 pipe 175 constitutes to overlook and is roughly L font.Lid body 173(sidepiece pipe 174 and anterior pipe 175) be bonded on the engine bin framework 153 that is bearing in encirclement engine 7.As shown in figure 22, the height and position of sidepiece pipe 174 is set highlyer than the height and position of anterior pipe 175.The right flank in machine in sidepiece pipe 174 outside is formed with a plurality of outer gas, and to be taken into mouthful 176(be 4 in embodiment).Gas is taken into mouthful 176 places and is provided with membrane filter 177 outside each.The back side opening of anterior pipe 175.Make radiator 172 in the face of this opening.

Right side anterior and anterior pipe 175, the left side of sidepiece pipe 174 is communicated with.As mentioned above, owing to make the height and position of sidepiece pipe 174 different with the height and position of anterior pipe 175, so, underside of forward at sidepiece pipe 174 is formed with the inclined lead part 178 that forwards tiltedly has a down dip, and is taken into and cooling air that lower side sidepiece pipe 175 in flows guides to the bottom surface side of front portion pipe 175 being taken into mouthfuls 176 from outer gas.In addition, forwardly manage 175 upper right and be provided with the inclined lead part 179 that tiltedly has a down dip to left, with cooling air that the upper side in sidepiece pipe 175 is flowed to 175 guiding of front portion pipe.Inclined lead part 179 on the anterior pipe 175 is extended along the Right deviation swash plate 6b in grain storehouse 6.Because these two inclined lead part 178,179 existence, no matter whether make the height and position of sidepiece pipe 174 different with the height and position of anterior pipe 175, can both obtain significantly along the vertical direction the connected entrance 180 of sidepiece pipe 174 and anterior pipe 175, can send into anterior pipe 175 from sidepiece pipe 174 swimmingly be taken into mouthfuls 176 cooling airs that have been taken into from outer gas.

Dispose the shield 181 with punching above the inclined lead part 178 in sidepiece pipe 174, restriction is taken into mouth 176 cooling airs that are taken into from 2 outer gas of the toe lateral that is in sidepiece pipe 174 right flanks.When this position configuration shield 181, the suction pressure that is taken into mouthfuls 176 cooling air from 2 outer gas of front side is suppressed, can be taken into from the outer gas of whole 4 positions mouth 176 and be taken into cooling air as much as possible, guarantee sufficient cooling air quantity when can suppress wind speed.

As can be seen from Figure 22, the below of sidepiece pipe 174 becomes the opening 182 that exposes for the lower right side of engine 7.This opening 182 is covered by sidepiece lid 183 that can dismounting.Therefore, if pull down sidepiece lid 183, the bottom, right side side of engine 7 is exposed, can carry out like a cork cleaning, the such upkeep operation of maintenance of engine 7 grades.

In addition, the shape relation between the inclined lead part 179 from the front portion pipe 175 and the Right deviation swash plate 6b in grain storehouse 6 as can be known, the upper side of engine 7 is covered by grain storehouse 6.Certainly, the state that covered by sheller unit 9 of the left side of engine 7 and hydraulic pressure pump case 66.

Such as Figure 19 and shown in Figure 21, the rear side of engine 7 and hydraulic pressure pump case 66 is covered by 3 tabular back side lids 185～187 of lengthwise.Central authorities' back side lid 185 constitutes to open and close by hinge 189 levels on the central support bar 188 that is arranged on engine bin framework 153 rear portion side and rotates.Central back side lid 185 is opened when rotating, and engine output pulley 283, grain are discharged belt wheel 287, various relative belt wheels 280～282 etc. and are exposed.Left back side lid 186 constitutes to open and close by hinge 191 levels on the left cramp bar 190 that is arranged on engine bin framework 153 rear portion side and rotates.Left back side lid 186 is opened when rotating, and expose the side of threshing input belt wheel 284,285, various relative belt wheels 280～282 etc.Right back side lid 187 is fixed on the right cramp bar 192 of engine bin framework 153 rear portion side.

Central and left back side lid 185,186 is respectively arranged with the outer gas outlet 193,194 of a plurality of band filters.Blowing to radiator 172, engine 7 and hydraulic pressure pump case 66 heating installation afterwards discharges from the outer gas outlet 193,194 of below, central authorities and the left back side lid 186 of organism frame 150.

According to above structure, comprising the body 1 that travels that is equipped with as the engine 7 of power source, reaping apparatus 3 with cutting blade 15, in the ordinary combine harvester of the sheller unit 9 with threshing cylinder 21, rear portion one side of the described sheller unit 9 in the described body 1 that travels disposes described engine 7, dispose the radiator 172 for described engine water-cooling in the place ahead of described engine 7, and for described engine 7 and described radiator 172 air cooled cooling fans 170, on the other hand, lid body 173 covers the opposite side of the side opposite with described sheller unit 9 from described engine 7 to the zone in the place ahead of described radiator 172 and described cooling fan 170, formed the cooling air duct of described engine 7 by this lid body 173, thereby in the other side of the described lid body 173 parallel with the output shaft 67 of described engine 7, can form the large outer gas of aperture area and be taken into mouthfuls 176.Thus, can fully guarantee to be taken into the cooling air quantity of cooling air duct, and can suppress its suction pressure, and the dust that can reduce stalk bits etc. is followed being taken into of cooling air and adhered to.In addition, do not need to switch described cooling fan 170 blade towards removing the such complicated structure of dust, also help cost.

In addition, described lid body 173 is made of the sidepiece pipe 174 of the opposite side that is positioned at described engine 7 and the front portion pipe 175 that is positioned at the place ahead of described radiator 172 and described cooling fan 170, the height and position of described sidepiece pipe 174 is set highlyer than the height and position of described anterior pipe 175, the side in the machine outside in described sidepiece pipe 174 is formed with outer gas and is taken into mouth 176, thereby the amount that can leave from the farmland with the height and position of described sidepiece pipe 174 correspondingly, brings into play the effect that the high dust that prevents stalk bits etc. adheres to.And, the below of described sidepiece pipe 174 forms the opening 182 that exposes for the bottom of the opposite side in the described engine 7, described opening 182 is covered by sidepiece lid 183 that can dismounting, thereby can effectively utilize in addition because of the different described openings 182 that form of height and position, by pulling down described sidepiece lid 183 the opposite side bottom of described engine 7 is exposed, carry out like a cork the cleaning of described engine 7 grades, the advantage of keeping in repair such upkeep operation.

Especially in embodiment, owing to dispose hydraulic pressure pump case 66 between the described sheller unit 9 in the described body 1 that travels and the described engine 7, so can also utilize the cooling air cooling fluid press pump shell 66 in the lump that leads to described engine 7.Owing to do not need the cooling construction of described hydraulic pressure pump case 66 special uses, so stabilized driving that can the maintenance medium pressing system and help cost.

The explanation of Reference numeral

1 body that travels

3 reaping apparatuses

6 storehouses

The left-leaning swash plate of 6a

6b Right deviation swash plate

7 engines

9 sheller units

10 grain sorting mechanisms

15 cutting blades

21 threshing cylinders

170 cooling fans

172 radiators

173 lid bodys

174 sidepiece pipes

175 anterior pipes

176 outer gas are taken into mouth

182 openings

183 sidepieces lid

Claims (3)

1. ordinary combine harvester, it comprises: has carried the body that travels as the engine of power source, had the reaping apparatus of cutting blade and has had the sheller unit of threshing cylinder, it is characterized in that,

Rear portion one side of the described sheller unit in the described body that travels disposes described engine, disposes in the place ahead of described engine for the radiator of described engine water-cooling with for described engine and the air cooled cooling fan of described radiator,

Form the cooling air duct of described engine by covering body, described lid body covers the opposite side of the side opposite with described sheller unit from described engine to the zone in the place ahead of described radiator and described cooling fan.

2. ordinary combine harvester as claimed in claim 1 is characterized in that,

Described lid body is made of the sidepiece pipe of the opposite side that is positioned at described engine and the anterior pipe that is positioned at the place ahead of described radiator and described cooling fan,

The height and position of described sidepiece pipe is set highlyer than the height and position of described anterior pipe, and the side in the machine outside in described sidepiece pipe is formed with outer gas and is taken into mouth,

The below of described sidepiece pipe forms the opening that exposes for the bottom of the opposite side in the described engine, and described opening is covered by sidepiece lid that can dismounting.

3. ordinary combine harvester as claimed in claim 1 or 2 disposes the hydraulic pressure pump case between described sheller unit in the described body that travels and the described engine.

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