CN203261777U - Front processing device of combine harvester - Google Patents

Front processing device of combine harvester Download PDF

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Publication number
CN203261777U
CN203261777U CN 201320103437 CN201320103437U CN203261777U CN 203261777 U CN203261777 U CN 203261777U CN 201320103437 CN201320103437 CN 201320103437 CN 201320103437 U CN201320103437 U CN 201320103437U CN 203261777 U CN203261777 U CN 203261777U
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CN
China
Prior art keywords
transmission mechanism
combine
rotation
auger
cross
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CN 201320103437
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Chinese (zh)
Inventor
寺坂贤一
田中佑二
吉田有作
冈田干夫
福冈义刚
熊取刚
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Kubota Corp
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Kubota Corp
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Abstract

The utility model provides a front processing device of a combine harvester, which can transmit power applicable to shifting processing of crop to a rotary grain seedling shifting wheel and can also simplify a transmission structure. A transmission mechanism (66) for a grain seedling shifting wheel transmits power transmitted to an input shaft (63) arranged along a rear side wall (16) of a harvesting head to a rotary grain seedling shifting wheel (21); and the transmission mechanism (66) comprises a first intermediate transmission shaft (84) positioned on the upper side relative to the input shaft (63) along the vehicle body transverse width direction, a second intermediate transmission shaft (85) positioned on the upper side relative to the first intermediate transmission shaft (84) along the vehicle body transverse width direction, a first transmission body (90) for transmitting power to the first intermediate transmission shaft (84) from the input shaft (63), a second transmission body (93) for transmitting power to the second intermediate transmission shaft (85) from the first intermediate transmission shaft (84), and a belt stepless speed change device (94) formed between the second intermediate transmission shaft (85) and a driving shaft (26) of the rotary grain seedling shifting wheel (21).

Description

The pretreating device of combine
Technical field
The utility model relates to a kind of pretreating device of combine, this pretreating device has harvesting head and pay-off, described harvesting head according to the rules harvesting width harvesting crop and with the crop of harvesting to cross-car width pars intermedia lateral transfer and converge, described pay-off will gather in the rearward conveyance of sheller unit that crop that head converged has towards running vehicle body by this, via the power shaft that the rear wall along described harvesting head arranges, the car body side that certainly travels transmits power to described harvesting head.
Background technology
In the pretreating device of this combine, there was following structure: have the rotation rice pulling wheel of gathering up as the crop of harvesting object at the harvesting head, this rotation rice pulling wheel is transmitted the transmission mechanism formation as described below of power in the past.
namely, constitute, the state that is positioned at upper side to compare the described power shaft that is transfused to power from the car body side that travels has the first intermediate transport axle, has the second intermediate transport axle to compare the state that this first intermediate transport axle is positioned at upper side, and, has the 3rd intermediate transport axle between the driving shaft of the second intermediate transport axle and rotation rice pulling wheel, utilize driving-chain to transmit power to the first intermediate transport axle from power shaft, and then utilize belt-type stepless speed control apparatus to transmit power to the second intermediate transport axle from the first intermediate transport axle, and constitute, utilize the power after the belt-type stepless speed control apparatus speed change to be transmitted to the 3rd intermediate transport axle by the second driving-chain from the second intermediate transport beam warp, and then the 3rd intermediate transport beam warp transmits power (for example with reference to patent documentation 1) by driving-belt to the driving shaft that rotates rice pulling wheel certainly.
Patent documentation 1: Japanese kokai publication hei 6-30631 communique
Above-mentioned structure in the past can will be sent to along the power of the power shaft of the rear wall configuration of gathering in head, and utilizing the belt-type stepless speed control apparatus speed change is be suitable for the speed of gathering up processing of crop and transmit to the rotation rice pulling wheel.
But, in above-mentioned structure in the past, constitute, has belt-type stepless speed control apparatus between the first intermediate transport axle and the second intermediate transport axle, and utilize the power after the belt-type stepless speed control apparatus speed change to transmit from axial the 3rd intermediate transport axle of the second intermediate transport, and then transmit power from the driving shaft of the 3rd intermediate transport axial-rotation rice pulling wheel, and be to have the structure of three intermediate transport axles between the driving shaft of power shaft and rotation rice pulling wheel, so exist for such rough sledding that complicates to the drive mechanism that rotates rice pulling wheel transmission power.
The utility model content
The purpose of this utility model is to provide a kind of pretreating device that the power of gathering up processing that is suitable for crop can be sent to the combine of the simplification of rotating rice pulling wheel and can seek drive mechanism.
the pretreating device of combine of the present utility model has harvesting head and pay-off, described harvesting head according to the rules harvesting width harvesting crop and with the crop of harvesting to cross-car width pars intermedia lateral transfer and converge, described pay-off will gather in the rearward conveyance of sheller unit that crop that head converged has towards running vehicle body by this, via the power shaft that arranges along the rear wall of described harvesting head, car body side transmits power to described harvesting head from travelling, the First Characteristic structure of the pretreating device of described combine is, described harvesting head has the rotation rice pulling wheel of gathering up rearward planting vertical paddy stalk, the rice pulling wheel that the power that is sent to described power shaft is transmitted to described rotation rice pulling wheel constitutes with transmission mechanism to have: the first intermediate transport axle that is positioned at upper side to compare described power shaft along the state of cross-car width, be positioned at the second intermediate transport axle of upper side to compare described the first intermediate transport axle along the state of cross-car width, transmit the first transmission body of power to the first intermediate transport axle from described power shaft, transmit the second transmission body of power from axial described the second intermediate transport axle of described the first intermediate transport, and the belt-type stepless speed control apparatus that forms between the driving shaft of described the second intermediate transport axle and described rotation rice pulling wheel.
According to the First Characteristic structure, from the power shaft of rear wall to arrange along the state of cross-car width along the harvesting head, the first intermediate transport axle is positioned at upper side and the second intermediate transport axle of arranging with the state along the cross-car width transmits power to comparing via the first transmission body.Then, be sent to the power of the second intermediate transport axle by be sent to the rotation rice pulling wheel after the belt-type stepless speed control apparatus that forms between the driving shaft of the second intermediate transport axle and rotation rice pulling wheel is by speed change.
Therefore, can will be sent to the rotation rice pulling wheel by the power of gathering up that is suitable for crop after the belt-type stepless speed control apparatus speed change, and, only need get final product by two intermediate transport axles of sandwiched between the driving shaft of power shaft and rotation rice pulling wheel, by reducing the radical of the power transmission shaft that intermediate transport uses, can provide the pretreating device of the combine that can simplify drive mechanism.
Second Characteristic structure of the present utility model is: the state configuration that described the second transmission body connects at position and the described first intermediate transport axle of cross-car width foreign side side to compare described the first intermediate transport axle and sections bracing with connective positional described the first transmission body.
According to the Second Characteristic structure, be constructed as follows structure: the first transmission body is square side and the connection of the first intermediate transport axle in the cross-car width, compare and the sections bracing with connective positional of the first transmission mechanism position in cross-car width foreign side side, the second transmission body and the first intermediate transport axle connect.
If consist of as mentioned above, the first transmission body is positioned at cross-car width side side with respect to the sections bracing with connective positional of power shaft, therefore, even if for example in the situation that formation makes a plurality of devices this structure of power beyond power shaft is assigned to the rotation rice pulling wheel, be positioned at the position of cross-car width foreign side side for the position of easily carrying out making with the connection of the first intermediate transport axle the second transmission body, also can easily avoid power shaft outstanding significantly towards cross-car width foreign side side.
The 3rd feature structure of the present utility model is: described harvesting head constitutes to have: receive the cropping knife of harvested cereal culm and with the grain of the harvesting auger to cross-car width pars intermedia lateral transfer, the power that is sent to described power shaft is sent to described cropping knife via cropping knife with transmission mechanism, and is sent to described auger via auger with transmission mechanism.
According to the 3rd feature structure, the power that is sent to power shaft is sent to cropping knife via cropping knife with transmission mechanism, and is sent to auger via auger with transmission mechanism.That is, consist of power is distributed the cropping knife that is sent to beyond the rotation rice pulling wheel and the structure of auger from power shaft, can transmit power to the each several part in the harvesting head.
The 4th feature structure of the present utility model is: described auger is positioned at the state setting of cross-car width side side with transmission mechanism to compare described cropping knife with transmission mechanism.
For harvesting object crop, size on the cross-car width of cropping knife is compared the harvesting object width and is set slightly largely, therefore, be positioned at cross-car width foreign side side if make auger compare cropping knife with transmission mechanism with transmission mechanism, obtain larger space on the cross-car width.
On the other hand, according to the 4th feature structure, compare cropping knife with transmission mechanism and be positioned at cross-car width side side with transmission mechanism due to auger, therefore, can configure compactly transmission mechanism on the cross-car width.
The 5th feature structure of the present utility model is: described cropping knife is positioned at the state configuration of cross-car width side side with the outer end position on the cross-car width of comparing described belt-type stepless speed control apparatus with transmission mechanism with transmission mechanism and described auger.
According to the 5th feature structure, because belt-type stepless speed control apparatus is in outer end position, therefore, stepless speed change device is carried out the operation of variable speed operation and can easily carry out from foreign side's side.
The 6th feature structure of the present utility model is: described the second transmission body is to see the state configuration between described auger use transmission mechanism and described cropping knife use transmission mechanism from the car body fore-and-aft direction.
According to the 6th feature structure, be configured to see from the car body fore-and-aft direction at auger for the second transmission body that transmits power from axial the second intermediate transport axle of the first intermediate transport and use between transmission mechanism with transmission mechanism and cropping knife, therefore, can configure compactly transmission mechanism along the cross-car width.
The 7th feature structure of the present utility model is: described cropping knife constitutes with transmission mechanism, have being converted to around rotatablely moving of transverse axis core of described power shaft had the rotation status converter section that moves along the reciprocating rotation of the turning cylinder of the axle core of car body fore-and-aft direction, and move to drive described cropping knife by the reciprocating rotation of described turning cylinder.
According to the 7th feature structure, the utilizing the rotation status converter section to be converted into to have along the reciprocating rotation of the turning cylinder of the axle core of car body fore-and-aft direction around rotatablely moving of transverse axis core of power shaft moved, therefore, according to around the reciprocating rotation along the turning cylinder of the axle core of this car body fore-and-aft direction, stroke back and forth drives cropping knife according to the rules.In this case, because the transfer system that transmits power to cropping knife from power shaft does not have frictional drive section, therefore, can carry out exactly the driving of cropping knife under the state that does not have slippage.
The 8th feature structure of the present utility model is: allow torque limiter in relative rotation during torque when described auger is applied setting value with transmission mechanism more than, with the state setting of the cross-car width side side that is positioned at described turning cylinder.
According to the 8th feature structure, for example, if stopping up auger etc. because of crop causes setting value above torque and puts on the auger transmission mechanism, according to the effect of torque limiter, the rotating shaft that auger drives use relatively rotates, thereby can avoid irrational power to put on auger, can prevent damage etc.
In addition, be positioned in order to drive cropping knife the cross-car width side side of the turning cylinder that arranges along the car body fore-and-aft direction due to torque limiter, therefore, even if for example plant vertical crop sometimes near torque limiter, above-mentioned crop is also blocked by the turning cylinder that extends along the car body fore-and-aft direction, thus can easily avoid above-mentioned crop near torque limiter and bitten etc. unfavorable.By the way, if crop is bitten by torque limiter, probably can not carry out well as the action of torque limiter.
The 9th feature structure of the present utility model is: the supporting arm that supports described rotation rice pulling wheel swings around the axle core along the described second intermediate transport axle of cross-car width and is supported on freely described harvesting head, and described rotation rice pulling wheel constitutes with respect to described harvesting head and changes freely relative altitude.
According to the 9th feature structure, swing by making supporting arm, such as can according to the difference as the job statuses such as difference of the growth conditions of the difference of the kind of the crop of harvesting object, crop, changing the rotation rice pulling wheel with respect to the relative altitude of harvesting head.
And, because the axle core of supporting arm around the second intermediate transport axle swings freely, therefore, in the swinging operation that allows supporting arm, the driving shaft of the power of gathering up that is suitable for crop after the second intermediate transport beam warp is by the belt-type stepless speed control apparatus speed change to the rotation rice pulling wheel can be transmitted.
The tenth feature structure of the present utility model is: the position change on the car body fore-and-aft direction of described rotation rice pulling wheel is supported on described supporting arm freely.
According to the tenth feature structure, owing to can changing the rotation rice pulling wheel with respect to the position of supporting arm on the car body fore-and-aft direction, therefore, can be according to the difference of the job statuses such as difference of the growth conditions of the difference of the kind of crop, crop, the position that makes the position of rotation rice pulling wheel on the car body fore-and-aft direction of harvesting head namely gather up effect matches with the position that is suitable for job status.
The 11 feature structure of the present utility model is: the idler roller that the driving-belt in described belt-type stepless speed control apparatus is applied tension force is to allow the position change of described rotation rice pulling wheel on the car body fore-and-aft direction and the state of the variable speed operation of described belt-type stepless speed control apparatus, and the position change is set up freely.
According to the 11 feature structure, if the rotation position of rice pulling wheel on the car body fore-and-aft direction is changed, the tensioning situation of the driving-belt in belt-type stepless speed control apparatus changes.In addition, in the situation that carried out the variable speed operation of belt-type stepless speed control apparatus, the tensioning situation of described driving-belt also changes.Like this, driving-belt is according to the position change of rotation rice pulling wheel on the car body fore-and-aft direction and the variable speed operation of belt-type stepless speed control apparatus, and its tensioning situation changes significantly.
And the idler roller that driving-belt is applied tension force is set up freely according to the change location change of the larger tensioning situation of driving-belt as mentioned above, therefore, can be adjusted to the tensioning situation that is suitable for transmission.
Description of drawings
Fig. 1 is the right view of combine.
Fig. 2 is the left view of combine.
Fig. 3 is the vertical view of combine.
Fig. 4 is the front view of running vehicle body.
Fig. 5 is the end view of harvesting head.
Fig. 6 is the local vertical profile end view of harvesting conveying unit.
Fig. 7 is the local cross-sectional vertical view of harvesting conveying unit.
Fig. 8 is the vertical profile front view of rotation rice pulling wheel.
Fig. 9 is the partial cut-out end view of the support of rotation rice pulling wheel.
Figure 10 is the vertical profile end view of moving tooth installation portion.
Figure 11 is the exploded perspective view of moving tooth installation portion.
Figure 12 is the upward view of harvesting lift cylinders linking part.
Figure 13 is the exploded perspective view of harvesting lift cylinders linking part.
Figure 14 means the rearview that transmits the drive mechanism of power to the harvesting head.
Figure 15 is the vertical profile rearview that torque limiter sets section.
Figure 16 means the vertical profile rearview of the transmission mechanism on the second intermediate transport axle.
Figure 17 means the vertical profile rearview of the transmission mechanism on power shaft.
Figure 18 means the cropping knife front view of transmission mechanism.
Description of reference numerals
3 running vehicle bodies
8 sheller units
11 harvesting heads
12 pay-offs
19 augers
20 cropping knifes
21 rotation rice pulling wheels
25 supporting arms
26 driving shafts
62 rear walls
63 power shafts
64 auger transmission mechanisms
65 cropping knife transmission mechanisms
66 rice pulling wheel transmission mechanisms
72 torque limiters
76 turning cylinders
77 rotation status converter sections
84 first intermediate transport axles
85 second intermediate transport axles
90 first transmission body
93 second transmission body
94 belt-type stepless speed control apparatus
97 driving-belts
103 idler rollers
Embodiment
Below, based on description of drawings combine of the present utility model.
as Fig. 1~shown in Figure 3, combine constitutes, harvesting conveying unit 4 as the harvesting carrying device that gathers in crop and rearward conveyance, utilization is by the harvesting lift cylinders 5 that consists of with the hydraulic cylinder of executing agency as lifting, drive around horizontal fulcrum X1 the front portion that lifting is bearing in the running vehicle body 3 with trailing wheel 2 that front-wheel 1 that pair of right and left can not turn to and pair of right and left can steering operation freely, have on running vehicle body 3: toe lateral is taken Drive Section 7 by what driver's cabin 6 covered, the crop that utilizes 4 harvestings of harvesting conveying unit is carried out the sheller unit 8 that threshing is processed, storage utilizes this sheller unit 8 to carry out that threshing is processed and the grain collecting box 9 of the grain that obtains, and the engine 10 of driving use etc.
The structure of harvesting conveying unit 4 then, is described.
Harvesting conveying unit 4 has as the harvesting harvesting head 11 of handling part and pay-off 12 and consists of, this harvesting head 11 harvesting width according to the rules gathers in planting vertical crop, and the crop of harvesting is brought to the central portion of harvesting width direction, this pay-off 12 will be gathered in and be brought to the crop of central authorities to sheller unit 8 conveyances at body rear.
As shown in Figure 3, the middle position C2 on the cross-car width of pay-off 12 with respect to the middle position C1 of the cross-car width (left and right directions) of harvesting head 11 to as the left displacement of an example of the prescribed direction on the cross-car width state under, harvesting head 11 links with pay-off 12.
As shown in Figure 3, harvesting head 11 constitutes the pair of right and left side plate 14 of the left and right sides that has the conveyance base plate 13 that blocks the harvesting crop field and carry out conveyance, is positioned at conveyance base plate 13 and installs and the reaping part framework 17 of the frame structure of the back part 16 of fixed rear portion side, this back part 16 is formed with the opening 15 of the link use that links with pay-off 12, has minute standing grain spare 18 that crop is divided into harvesting object and non-harvesting object in the front portion of left side plate 14.
Under near the state above conveyance base plate 13 with the crop of harvesting to harvesting width direction pars intermedia lateral transfer and the lateral transfer auger 19 gathered, with the state configuration on the side plate 14 that is crossed on the left and right, and the cropping knife 20 of the root that cuts off crop is arranged along the front-end configuration of conveyance base plate 13.In addition, has the rotation rice pulling wheel 21 of gathering up towards the rear as the fringe tip side of the crop of harvesting object at the front upper position of lateral transfer auger 19.
As Fig. 3, Figure 6 and Figure 7, lateral transfer auger 19 has in the periphery of the auger cylinder 22 in large footpath follows its rotation to carry out the pair of right and left helical blade 23 of lateral transfer to transverse width direction center side towards leading section of pay-off 12 with gathering, and, be arranged on circumferential a plurality of positions at the position of the front end inlet that faces pay-off 12 from the bar-shaped body 24 of gathering up of auger cylinder 22 projections.
Gathering up body 24 is accompanied by the rotation of auger cylinder 22 and rotates and be supported on freely bolster 24A, the position that this bolster 24A has been supported in respect to the rotating shaft core bias of auger cylinder 22 with the position stationary state, be accompanied by the rotation of auger cylinder 22, gather up body 24 and change from the outstanding overhang of the periphery of auger cylinder 22.
As Fig. 3 and shown in Figure 5, cropping knife 20 constitutes the clipper type, and fixed blade 20A and movable sword 20B are with overlapping up and down state setting and movable sword 20B is driven in the horizontal slidingly back and forth according to a determining deviation, plant vertical crop thereby can cut off.
Rotation rice pulling wheel 21 with by from the top of the base end side of reaping part framework 17 forwards extended pair of right and left supporting arm 25 set up the state configuration of supporting.
Namely, as Fig. 2, Fig. 3, Fig. 5 and shown in Figure 8, be bearing in freely the left and right end portions of the driving shaft 26 of a pair of supporting arm 25 leading sections in rotation, the one rotation is disposed freely and is from the side pentagonal pair of right and left rice pulling wheel framework 27, with the state that is located at above-mentioned pair of right and left rice pulling wheel framework 27 and the state of respectively is set at five tops is provided with moving tooth support unit 28, on each moving tooth support unit 28, under the state of arranging along its length direction, a plurality of moving tooth 29(are installed and gather up pawl).
As Fig. 5 and shown in Figure 9, each rice pulling wheel framework 27 constitutes to have: five arm 27B of the metallic plate system that the rice pulling wheel frame body 27A of central portion, this rice pulling wheel frame body 27A have, be arranged on each arm 27B leading section resinous five block 27C and spread all over described five block 27C floor-covering rolls around and utilize and the band plate 27D of the fastening fastening bolt of block 27C with the ring-type of arm link.Each block 27C consists of the installation portion that moving tooth support unit 28 is installed in rotation freely.The band plate 28D of ring-type is by segmentation band plate that obtain consists of the position of each arm 27B is divided.
And the moving tooth 29 that is installed on each moving tooth support unit 28 has the posture maintaining body 30 for the known features that keeps its posture, no matter the rotation that makes rotation rice pulling wheel 21 how, all keeps from moving tooth support unit 28 extended posture downwards.
As shown in Figure 5, the slave body side surface that posture maintaining body 30 has a horizontal outside that is arranged on rotation rice pulling wheel 21 1 sides is seen and is pentagonal auxiliary rotary body 31, be accompanied by the rotation of rotation rice pulling wheel 21, the driving force that makes auxiliary rotary body 31 utilize spinning rice pulling wheel 21 to be transmitted via connecting rod 32 is around the axle core P2 rotation different from the rotating shaft core P1 of rotation rice pulling wheel 21.And, each moving tooth support unit 28 with the state of connecting rod 32 unitary rotation under relatively rotate and be supported on freely rice pulling wheel framework 27, no matter rotate rice pulling wheel 21 and how to rotate, the moving tooth 29 that all keeps making each moving tooth support unit 28 is from moving tooth support unit 28 extended posture downwards.
As shown in Figure 5, link respectively across each supporting arm of a pair of supporting arm 25 and reaping part framework 17 hydraulic cylinder 33 is arranged, utilize above-mentioned pair of hydraulic cylinders 33, a pair of supporting arm 25 around the axle core P3 of its rear portion base end side with respect to reaping part framework 17 operation that swings up and down, thus, consist of the structure that 21 liftings of rotation rice pulling wheel are supported freely.
That is, as shown in figure 14, link the fulcrum shaft 34 of the base end side of a pair of supporting arm 25, rotate around transverse axis core P3 and utilize freely carriage 35 to be supported on reaping part framework 17.
Make the lower end side of rotation rice pulling wheel 21 be positioned at Near Ground if pair of right and left supporting arm 25 carries out step-down operation, rotate the decline job state that rice pulling wheel 21 is in the lower position side.Under this state, if according to the rotation of driving shaft 26, rotation rice pulling wheel 21 is rotated around transverse axis core P1, each moving tooth 29 rotates under the state of extended posture downwards from moving tooth support unit 28 keeping according to the effect of posture maintaining body 30, gathers up supply towards cropping knife when being limited to crop.
As Fig. 8, Figure 10 and shown in Figure 11, described moving tooth support unit 28 is made of metal pipe material, and formation utilizes bolt 36 with the fastening structure that is fixed in this moving tooth support unit 28 of moving tooth 29, but at fastening position, the moving tooth installation position of moving tooth support unit 28 is not to form drum, but as the installed surface 37 of flat pattern and form, become at the 29A of the section that is mounted that makes moving tooth 29 and meet the structure of utilizing bolt to be fixed under the state of this installed surface 37.In addition, moving tooth 29 is constructed as follows structure, namely gathers up service portion 29B and is mounted the 29A of section by the integrally formed structure of metal spring spare.
As Fig. 1, Fig. 2 and shown in Figure 5, it is crooked and be from the side roughly く shape towards the below with respect to rear portion side part 25A that supporting arm 25 forms toe lateral part 25B, thereby consist of the structure that rotation rice pulling wheel 21 is supported the toe lateral part 25B supporting of arm 25.Like this, when avoiding supporting arm 25 and reaping part framework 17 to produce interfering, can make rotation rice pulling wheel 21 be reduced to the operation of gathering up of crop that alap position effectively lodges.
Rotation rice pulling wheel 21 becomes can be with respect to the structure of supporting arm 25 change and adjustment installation site on fore-and-aft direction.Namely, as shown in Figure 9, the bearing portion 38 of the driving shaft 26 of rotation supporting rotation freely rice pulling wheel 21 is supported on fore-and-aft direction sliding freely with respect to supporting arm 25, and, formation can inserted the structure of connecting piece 39 under the state that connect across this bearing portion 38 and supporting arm 25, utilize this connecting piece 39 can rigid bearing the position of fore-and-aft direction of section 38.
Can insert the inserting hole 40 of supporting arm 25 sides of connecting piece 39 to make the different state in position be formed on a plurality of positions (particularly as three positions) on fore-and-aft direction, make the front and back position of bearing portion 38 different, by connecting piece 39 being changed to any inserting hole 40, can change adjusting with respect to the installation site of supporting arm 25 on fore-and-aft direction to rotation rice pulling wheel 21 thereby constitute.In addition, connecting piece 39 utilizes locking pin 41 to prevent from coming off.
As Figure 6 and Figure 7, pay-off 12 locks the conveyance conveying plant 43 of conveyance formula and consists of in the internal configurations of the tote box 42 that forms square tubular.Conveyance conveying plant 43 has vertically to be wound on rotationally around the transverse axis core and rotates the drive sprocket (not shown) that is supported freely and the pair of right and left ring-type swivel-chain 46 on driven wheel body 45, link conveyance bar 47 and consist of with the prescribed distance crossbearer across above-mentioned pair of right and left ring-type swivel-chain 46 ground, by driving a pair of ring-type swivel-chain 46, it is rotated, the crop that utilizes harvesting head 11 lateral transfer utilizes during conveyance bar 47 held together conveyance and be pushed into sheller unit 8 tote box 42 is interior.
As shown in Figure 3, harvesting lift cylinders 5 at the toe lateral position of position and pay-off 12 from the middle position on the cross-car width of pay-off 12 to right-hand (a rightabout example of the prescribed direction on the cross-car width) displacement be connected.
In addition, the substantial middle position of harvesting lift cylinders 5 on the cross-car width of harvesting head 11 is connected with pay-off 12.And, as shown in Figure 3, the cross-car width of transverse width and the running vehicle body 3 of harvesting head 11 is roughly the same, and the position of gathering in the transverse width direction both ends of head 11 is seen from the front and is in the position roughly the same with the position at the transverse width direction both ends of running vehicle body 3.
Therefore, middle position C1 on the cross-car width of harvesting head 11 is in the roughly the same position of middle position C3 on cross-car width with running vehicle body 3, so harvesting lift cylinders 5 is formed in the structure that the substantial middle position on the cross-car width of running vehicle body 3 is connected with the leading section of pay-off 12.
As shown in Figure 1, the rear end pivot of harvesting lift cylinders 5 props up the leading section that is attached at vehicle body frame F, the anterior end of harvesting lift cylinders 5 is connected with the vertical facial 48A of the rear portion side of the support unit 48 of square tubular, and this support unit 48 is with along the state configuration of the cross-car width extension front lower surface side at pay-off 12.
as Fig. 6, Figure 12 and shown in Figure 13, the leading section of the tote box 42 in pay-off 12 consists of to have and consists of rectangle link that the connection that is connected with harvesting head 11 uses peristome 49 with all frames section 50, consist of this link and have frame body 52 with the underside frame section 51 of the lower frame section of all frames section 50, the vertical support unit 48 of tabular a plurality of ribs 53 and square tubular and consisting of, described frame body 52 will be with plate bend to from the side roughly く shape and form, described a plurality of ribs 53 in the zone that is surrounded く shape roughly by this frame body 52 on the transverse width direction across the compartment of terrain link that is fixed.
As shown in figure 12, comprise that the link of rectangle of underside frame section 51 is with all frames section 50, the state that extends to cross-car width foreign side side with the both ends of the cross-car width of comparing the tote box 42 in pay-off 12 forms, can with at tote box 42 and be connected connection that the connecting portion of head 11 forms with peristome 49 be made as with in the roughly the same shape in the crop conveyance path of the inner peripheral surface formation of tote box 42, as shown in Figure 6, constitute and to form level and smooth conveyance path and not form step at the connecting portion that is connected with harvesting head 11.
As Figure 12 and shown in Figure 13, link with the rear end side with a plurality of ribs 53 support unit 48 that fixing state is provided with square tubular.This support unit 48 and frame body 52 are similarly, the state that extends to cross-car width foreign side side with the both ends of the cross-car width of comparing the tote box 42 in pay-off 12 forms, link fixing with the ora terminalis of a plurality of ribs 53 rear sides, and, L shaped ora terminalis links and is supported regularly with being from the side forming of roughly L shaped holding member 54, and described holding member 54 links fixing with the outer surface side of the left and right sidewall 42A of tote box 42.
And the vertical facial 48A of the rear portion side in anterior end and the support unit 48 of harvesting lift cylinders 5 is connected.
If further describe, at the transverse width direction middle position position on the right side of comparing pay-off 12, roughly the link of U-shaped is fixed in support unit 48 with carriage 56 via stiffener 55, the cylinder cap 5A of harvesting lift cylinders 5 entered into should links with the state between carriage 56 under, with the state installation locking pin 57 that interts with carriage 56 and cylinder cap 5A ground across link.
Stiffener 55 is bent to form along vertical facial 48A, the lower surface portion 48B of support unit 48 of the rear portion side of support unit 48 and the bottom surface sections 42B of tote box 42 respectively, and be mounted to link fixing state with above-mentioned vertical facial 48A, lower surface portion 48B and bottom surface sections 42B, position on the vertical facial 48A that is fixed on rear portion side of this stiffener 55 is fixed with to link and uses carriage 56.In addition, conjointly be provided with the fixedly check plate 59 of use on locking pin 57, be fixed on the position on lower surface portion 48B of being fixed on of stiffener 55 by this check plate 59 being utilized screw, prevent that locking pin 57 from coming off.
Like this, for pay-off 12 is connected with harvesting head 11 link that configures with all frames section 50, support unit 48 with the square tubular of state configuration with larger bearing strength, consist of the structure of the anterior end that connects harvesting lift cylinders 5 by this support unit 48, therefore, act on and the connecting portion that gathers in lift cylinders 5 and be connected even if harvesting head 11 weight of being connected with pay-off is concentrated, also can block securely and support with the state that does not produce distortion etc.
As shown in Figure 3, the displacement that (is equivalent to the prescribed direction on the cross-car width) to the left with respect to the middle position C3 on the cross-car width of running vehicle body 3 at the middle position C4 on the cross-car width of sheller unit 8 state under, sheller unit 8 is disposed at running vehicle body 3.Particularly, be under the state of the roughly the same position of middle position C2 on cross-car width with pay-off 12 configuration sheller unit 8 and pay-off 12 at the middle position C4 on the cross-car width of sheller unit 8.
Like this, due to sheller unit 8 with respect to running vehicle body 3, its position to the left displacement state configuration, therefore, utilize the position with respect to running vehicle body 3 pay-off 12 of displacement to the left, supply near the transverse width direction central portion of the threshing chamber (not shown) in sheller unit 8, so, can carry out threshing with the kilter that does not produce delay etc. and process.
Then, the drive mechanism that transmits power to harvesting conveying unit 4 is described.
The power of engine 10, is sent to along the power shaft 63 of rear wall 62 configurations that are positioned at pay-off 12 right sides of harvesting head 11 via opening the input of establishing along a horizontal side of pay-off 12 with driving-chain (not shown) from car body 3 sides of travelling.
Then, as Fig. 5 and shown in Figure 14, consist of power and transmit such transfer system with transmission mechanism 66 to lateral transfer auger 19, cropping knife 20 and rotation rice pulling wheel 21 with transmission mechanism 65 and rice pulling wheel with transmission mechanism 64, cropping knife via auger respectively from power shaft 63.As shown in figure 14, power shaft 63 utilizes parts of bearings 67 to rotate with the side plate 14 that extends along rear wall 62 along the cross-car width and compare the right side to the outstanding state of horizontal foreign side to be supported freely.
As Fig. 5, Figure 14 and shown in Figure 15, auger consists of by the ring-type swivel-chain 71 that coiling auger on drive sprocket 68 and driven sprocket 70 drives use with transmission mechanism 64, described drive sprocket 68 is configured in the position of ratio parts of bearings 67 more outer side's sides of power shaft 63, and described driven sprocket 70 is configured on lateral transfer auger 19 and driving shafts 69 auger cylinder 22 unitary rotation.And, if having the above torque of the setting value of applying with transmission mechanism 64, this auger allows torque limiter 72 in relative rotation.
As shown in figure 15, torque limiter 72 constitutes, driven sprocket 70 relatively rotates the outer driving shaft 69 that is embedded in lateral transfer auger 19 freely, this driven sprocket 70 and and the linkage part 73 of driving shaft 69 unitary rotation between be formed with along the engaging piece 74 of shaft core direction engagement, and the direction that has towards above-mentioned parts engagement pushes the spring 75 of the application of force to driven sprocket 70.
This torque limiter 72 is constructed as follows structure: put on driving shaft 69 if cause setting value above torque at lateral transfer auger 19 because the crop obstruction waits the rotation that makes lateral transfer auger 19 to be obstructed, the active force of engaging piece 74 antagonistic springs 75 dallies, and allows to relatively rotate.
As shown in figure 17, cropping knife has with transmission mechanism 65 being converted to around rotatablely moving of transverse axis core of power shaft 63 is had the rotation status converter section 77 that moves along the reciprocating rotation of the fore-and-aft direction turning cylinder 76 of the axle core of car body fore-and-aft direction, and, move to drive cropping knife 20 by the reciprocating rotation of fore-and-aft direction turning cylinder 76.
Namely, has rotation status converter section 77 near the right-hand member of power shaft 63, this rotation status converter section 77 constitutes, be arranged on the angled head 78 that links with power shaft 63 around inclined projected part that inclination axle center d can rotate 79 idle running outer embedding freely, with fore-and-aft direction turning cylinder 76 via yoke section 81 and a pair of fulcrum pin 80 links in the periphery diagonal position configuration of this inclined projected part 79.
And, by power shaft 63 is rotated around horizontal axle center, the inclination axle center d Direct/Reverse of inclined projected part 79 the work of shaking the head, thereby make the fore-and-aft direction turning cylinder 76 that links via fulcrum pin 80 and yoke section 81 and inclined projected part 79 interlocks with the predetermined angular reciprocating rotation.
As shown in figure 18, fore-and-aft direction turning cylinder 76 forwards extends the below along the lateral surface of the side plate 14 on right side, the swing arm 82 and the movable sword 20B in cropping knife 20 that link with the front end of fore-and-aft direction turning cylinder 76 link via intermediate transport connecting rod 83 interlocks, according to the reciprocating rotation of fore-and-aft direction turning cylinder 76, movable sword 20B is reciprocatingly driven with certain stroke left and right.
Like this, utilize rotation status converter section 77, fore-and-aft direction turning cylinder 76, swing arm 82, intermediate transport connecting rod 83 etc. to consist of cropping knife transmission mechanism 65.
Then, rice pulling wheel transmission mechanism 66 is described.
As Fig. 5 and shown in Figure 14, the first intermediate transport axle 84 to be arranged comparing the state configuration that power shaft 63 is positioned at upper side under the state of cross-car width, and, the second intermediate transport axle 85 to be arranged comparing the state configuration that the first intermediate transport axle 84 is positioned at upper side under the state of cross-car width.
The first intermediate transport axle 84 utilizes parts of bearings 87 to be supported freely around lateral rotation axle core P3 rotation, the supporting that is fixed of the support unit 86 of side plate 14 rear sides of this parts of bearings 87 by being fixed on the right side, the first rice pulling wheel is configured in comparing on the driven sprocket 89 that parts of bearings 87 is configured in interior side side of the drive sprocket 88 of interior side's side and the first intermediate transport axle 84 with the parts of bearings 67 of comparing that ring-type swivel-chain 90 is wound on power shaft 63.
As shown in figure 16, the second intermediate transport axle 85 is configured on the fulcrum shaft 34 that links supporting arm 25 freely rotating on same axle core, and the second rice pulling wheel is wound on comparing on parts of bearings 87 drive sprocket 91 that is configured in the foreign side side and the driven sprocket 92 that is configured on the second intermediate transport axle 85 of the first intermediate transport axle 84 with ring-type swivel-chain 93.
The first rice pulling wheel is constructed as follows respectively structure with ring-type swivel-chain 90 and the second rice pulling wheel with ring-type swivel-chain 93: driven sprocket 89,92 diameter are than drive sprocket 88,91 large, so that the state that rotating speed slows down transmits power.
Driving shaft 26 across the second intermediate transport axle 85 and rotation rice pulling wheel 21 is provided with belt-type stepless speed control apparatus 94.
As shown in Figure 5, across being configured in the driving side belt wheel 95 on the second intermediate transport axle 85 and being configured in the driving-belt 97 that the slave end belt wheel 96 coiling speed changes on driving shaft 26 are used, it is wheeled that driving side belt wheel 95 constitutes assemblage zone.Namely, as shown in figure 16, have with the second intermediate transport axle 85 unitary rotation freely and along slide freely movable pulley body 95a of rotation shaft core direction, thereby consist of the belt-type stepless speed control apparatus 94 that can change gearratio (gear ratio) by the position that changes this movable pulley body 95a.Slave end belt wheel 96 is made of the fixed pulley of tape wrapping constant diameter.
If further describe, have the position limitation parts 98 with respect to the end position of movable pulley body 95a restriction shaft core direction, be provided with the adjustment screw 99 that the end across these position limitation parts 98 and fulcrum shaft 34 screws up, and be provided with from foreign side by manually to this adjustment screw 99 freely the speed change of rotating operation with motion arm 100.The manual operation speed change rotates in order to change the position of movable pulley body 95a along shaft core direction adjustment screw 99 with motion arm 100, thereby can change gearratio (gear ratio).
As shown in Figure 5, the guide reel of the driving-belt 97 of using for speed change is provided with two, a guide reel 101 is bearing on carriage 102 with the position stationary state, another guide reel 103 is supported on swing, and to be bearing in freely the swing of the swing arm 104 on carriage 102 distolateral, and, utilize the spring force of extension spring 105, the driving-belt 97 that speed change is used applies tension force.Therefore, another guide reel 103 works as the idler roller that the driving-belt 97 that speed change is used applies tension force.
Another guide reel 103 is to allow the position change of rotation rice pulling wheel 21 on the car body fore-and-aft direction and the state of the variable speed operation of belt-type stepless speed control apparatus 94, and the position change is set up freely.Namely, the adjustable range of another guide reel 103 is set at following adjustable range, namely can absorb the stroke that is accompanied by the driving-belt 97 that the speed change of utilizing belt-type stepless speed control apparatus 94 to change adjusting uses and be accompanied by rotation rice pulling wheel 21 to be changed the stroke of the driving-belt 97 that the speed change of adjusting uses with respect to the installation site of supporting arm 25 on fore-and-aft direction.
In above-mentioned drive mechanism, as shown in figure 14, cropping knife with transmission mechanism 65 and auger with transmission mechanism 64 with the outer end position on the cross-car width of comparing belt-type stepless speed control apparatus 94, particularly compare speed change and be positioned at the state configuration of cross-car width side side with the outer end position of motion arm 100.In addition, as Figure 14 and shown in Figure 15, auger with the torque limiter 72 in transmission mechanism 64 to be arranged in cropping knife with the state setting of the cross-car width side side of the fore-and-aft direction turning cylinder 76 of transmission mechanism 65.
In addition, constitute, the transmission mechanism that will be arranged in a horizontal side of harvesting head 11 as above by lower side cover body 106, to be cropping knife cover with transmission mechanism 64 and the rice pulling wheel horizontal side foreign side position with the lower portion of transmission mechanism 66 with transmission mechanism 65, auger, and constitute, by upper side cover body 107, the horizontal side foreign side position of rice pulling wheel with the belt-type stepless speed control apparatus that is positioned at upside 94 of transmission mechanism 66 covered.
(other embodiments)
(1) in the above-described embodiment, be constructed as follows structure: auger is positioned at the state setting of cross-car width side side with transmission mechanism 64 to compare cropping knife with transmission mechanism 65, cropping knife with the outer end position cross-car width of the belt-type stepless speed control apparatus 94 of transmission mechanism 66 on is positioned at the state configuration of cross-car width side side with transmission mechanism 64 to compare rice pulling wheel with transmission mechanism 65 and auger, and, the second rice pulling wheel with ring-type swivel-chain 90 to see from the car body fore-and-aft direction at auger with transmission mechanism 64 and cropping knife with the state configuration between transmission mechanism 65, but each transmission mechanism 64, 65, 66, the configuration structure of ring-type swivel-chain 90 is not limited to the structure of above-mentioned embodiment, can change its order on the cross-car width implements.
(2) in the above-described embodiment, constitute, cropping knife has the rotation status converter section 77 that moves along the reciprocating rotation of the turning cylinder 76 of fore-and-aft direction being converted to around rotatablely moving of transverse axis core with transmission mechanism 65, but also can replace structure as above and adopt via tape handler sending power near such structure cropping knife.
(3) in the above-described embodiment, constitute, auger has torque limiter 72 with transmission mechanism 64, but also can adopt the structure with torque limiter 72 as above.
(4) in the above-described embodiment, constitute, the position change on the car body fore-and-aft direction of rotation rice pulling wheel 21 is supported on supporting arm 25 freely, but the structure that also can adopt rotation rice pulling wheel 21 to be supported with the position stationary state at fore-and-aft direction.
(5) in the above-described embodiment, constitute, as the pair of right and left mobile devices, have pair of right and left front-wheel 1 and pair of right and left trailing wheel 2, but also can replace structure as above and adopt the structure with pair of right and left crawler type running device.
Industrial applicibility
The utility model goes for having the harvesting head of harvesting crop and with the combine of the pay-off of rearward conveyance of crop.

Claims (20)

1. the pretreating device of a combine, it is characterized in that, this pretreating device has harvesting head (11) and pay-off (12), described harvesting head according to the rules harvesting width harvesting crop and with the crop of harvesting to cross-car width pars intermedia lateral transfer and converge, the rearward conveyance of sheller unit (8) that described pay-off will have towards running vehicle body (3) by the crop that this harvesting head (11) has converged, via the power shaft (63) that arranges along the rear wall (62) of described harvesting head (11), transmit power from the car body that travels (3) the described harvesting head of side direction (11),
Described harvesting head (11) has the rotation rice pulling wheel (21) that crop is gathered up rearward,
the rice pulling wheel that the power that will be sent to described power shaft (63) transmits to described rotation rice pulling wheel (21) constitutes with transmission mechanism (66) to have: the first intermediate transport axle (84) that is positioned at upper side to compare described power shaft (63) along the state of cross-car width, be positioned at the second intermediate transport axle (85) of upper side to compare described the first intermediate transport axle (84) along the state of cross-car width, transmit first transmission body (90) of power to the first intermediate transport axle (84) from described power shaft (63), transmit second transmission body (93) of power to described the second intermediate transport axle (85) from described the first intermediate transport axle (84), and the belt-type stepless speed control apparatus (94) that forms between the driving shaft (26) of described the second intermediate transport axle (85) and described rotation rice pulling wheel (21).
2. the pretreating device of combine as claimed in claim 1, is characterized in that,
The state configuration that described the second transmission body (93) connects at position and the described first intermediate transport axle (84) of cross-car width foreign side side to compare described the first intermediate transport axle (84) and sections bracing with connective positional described the first transmission body (90).
3. the pretreating device of combine as claimed in claim 1, is characterized in that,
Described harvesting head (11) constitutes to have: the cropping knife (20) of harvesting crop and with the crop of harvesting to the auger (19) of cross-car width pars intermedia lateral transfer,
The power that is sent to described power shaft (63) is sent to described cropping knife (20) via cropping knife with transmission mechanism (65), and is sent to described auger (19) via auger with transmission mechanism (64).
4. the pretreating device of combine as claimed in claim 2, is characterized in that,
Described harvesting head (11) constitutes to have: the cropping knife (20) of harvesting crop and with the crop of harvesting to the auger (19) of cross-car width pars intermedia lateral transfer,
The power that is sent to described power shaft (63) is sent to described cropping knife (20) via cropping knife with transmission mechanism (65), and is sent to described auger (19) via auger with transmission mechanism (64).
5. the pretreating device of combine as claimed in claim 3, is characterized in that,
Described auger is positioned at the state setting of cross-car width side side with transmission mechanism (64) to compare described cropping knife with transmission mechanism (65).
6. the pretreating device of combine as claimed in claim 4, is characterized in that,
Described auger is positioned at the state setting of cross-car width side side with transmission mechanism (64) to compare described cropping knife with transmission mechanism (65).
7. as the pretreating device of the described combine of any one in claim 3~6, it is characterized in that,
Described cropping knife is positioned at the state configuration of cross-car width side side with the outer end position on the cross-car width of comparing described belt-type stepless speed control apparatus (94) with transmission mechanism (64) with transmission mechanism (65) and described auger.
8. as the pretreating device of the described combine of any one in claim 3~6, it is characterized in that,
Described the second transmission body (93) is to see the state configuration that is positioned between described auger use transmission mechanism (64) and described cropping knife use transmission mechanism (65) from the car body fore-and-aft direction.
9. the pretreating device of combine as claimed in claim 7, is characterized in that,
Described the second transmission body (93) is to see the state configuration that is positioned between described auger use transmission mechanism (64) and described cropping knife use transmission mechanism (65) from the car body fore-and-aft direction.
10. as the pretreating device of the described combine of any one in claim 3~6, it is characterized in that,
Described cropping knife constitutes with transmission mechanism (65), have with described power shaft (63) be converted to around rotatablely moving of transverse axis core the rotation status converter section (77) that has along the reciprocating rotation motion of the turning cylinder (76) of the axle core of car body fore-and-aft direction, and move to drive described cropping knife (20) by the reciprocating rotation of described turning cylinder (76).
11. the pretreating device of combine as claimed in claim 7 is characterized in that,
Described cropping knife constitutes with transmission mechanism (65), have with described power shaft (63) be converted to around rotatablely moving of transverse axis core the rotation status converter section (77) that has along the reciprocating rotation motion of the turning cylinder (76) of the axle core of car body fore-and-aft direction, and move to drive described cropping knife (20) by the reciprocating rotation of described turning cylinder (76).
12. the pretreating device of combine as claimed in claim 9 is characterized in that,
Described cropping knife constitutes with transmission mechanism (65), have with described power shaft (63) be converted to around rotatablely moving of transverse axis core the rotation status converter section (77) that has along the reciprocating rotation motion of the turning cylinder (76) of the axle core of car body fore-and-aft direction, and move to drive described cropping knife (20) by the reciprocating rotation of described turning cylinder (76).
13. the pretreating device of combine as claimed in claim 8 is characterized in that,
Described cropping knife constitutes with transmission mechanism (65), have with described power shaft (63) be converted to around rotatablely moving of transverse axis core the rotation status converter section (77) that has along the reciprocating rotation motion of the turning cylinder (76) of the axle core of car body fore-and-aft direction, and move to drive described cropping knife (20) by the reciprocating rotation of described turning cylinder (76).
14. the pretreating device of combine as claimed in claim 10 is characterized in that,
Allow torque limiter (72) in relative rotation during torque when described auger is applied setting value with transmission mechanism (64) more than, with the state setting of the cross-car width side side that is positioned at described turning cylinder (76).
15. the pretreating device of combine as claimed in claim 11 is characterized in that,
Allow torque limiter (72) in relative rotation during torque when described auger is applied setting value with transmission mechanism (64) more than, with the state setting of the cross-car width side side that is positioned at described turning cylinder (76).
16. the pretreating device of combine as claimed in claim 12 is characterized in that,
Allow torque limiter (72) in relative rotation during torque when described auger is applied setting value with transmission mechanism (64) more than, with the state setting of the cross-car width side side that is positioned at described turning cylinder (76).
17. the pretreating device of combine as claimed in claim 13 is characterized in that,
Allow torque limiter (72) in relative rotation during torque when described auger is applied setting value with transmission mechanism (64) more than, with the state setting of the cross-car width side side that is positioned at described turning cylinder (76).
18. the pretreating device as the described combine of any one in claim 1~6 is characterized in that,
The supporting arm (25) that supports described rotation rice pulling wheel (21) swings around the axle core along the described second intermediate transport axle (85) of cross-car width and is supported on freely described harvesting head (11), and described rotation rice pulling wheel (21) constitutes with respect to described harvesting head (11) and changes freely relative altitude.
19. the pretreating device of combine as claimed in claim 18 is characterized in that,
Described rotation rice pulling wheel (21) position change on the car body fore-and-aft direction is supported on described supporting arm (25) freely.
20. the pretreating device of combine as claimed in claim 19 is characterized in that,
The idler roller (103) that driving-belt (97) in described belt-type stepless speed control apparatus (94) is applied tension force is to allow the position change of described rotation rice pulling wheel (21) on the car body fore-and-aft direction and the state of the variable speed operation of described belt-type stepless speed control apparatus (94), and the position change is set up freely.
CN 201320103437 2012-03-07 2013-03-07 Front processing device of combine harvester Expired - Fee Related CN203261777U (en)

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JP2012050794A JP5798065B2 (en) 2012-03-07 2012-03-07 Combine pretreatment equipment

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CN103692975A (en) * 2014-01-16 2014-04-02 常熟市天豪机械有限公司 Four-wheeled agricultural vehicle
JP6754792B2 (en) * 2018-03-15 2020-09-16 株式会社クボタ Harvester
JP7072616B2 (en) * 2020-08-18 2022-05-20 株式会社クボタ Harvester

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Publication number Priority date Publication date Assignee Title
CN103828545A (en) * 2014-03-07 2014-06-04 星光农机股份有限公司 Combine harvester
CN103828545B (en) * 2014-03-07 2016-09-28 星光农机股份有限公司 United reaper

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