CN103609250A - Threshing structure of L-shaped horizontal and longitudinal axial flow full-feeding combine harvester - Google Patents
Threshing structure of L-shaped horizontal and longitudinal axial flow full-feeding combine harvester Download PDFInfo
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- CN103609250A CN103609250A CN201310602335.6A CN201310602335A CN103609250A CN 103609250 A CN103609250 A CN 103609250A CN 201310602335 A CN201310602335 A CN 201310602335A CN 103609250 A CN103609250 A CN 103609250A
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Abstract
The invention relates to the technical field of agricultural machinery, in particular to a threshing structure of an L-shaped horizontal and longitudinal axial flow full-feeding combine harvester. The threshing structure comprises a threshing rack, a vibrating screen arranged on the threshing rack, an air blower and a middle conveyor connected on the upper portion of the front end of the threshing rack, a threshing drum communicated with the rear end of the middle conveyor is arranged on the threshing rack and comprises a horizontal axial flow drum and a longitudinal axial flow drum which are in communicated connection and perpendicular to each other to be L-shaped, two ends of the horizontal axial flow drum are connected with the middle conveyor and the longitudinal axial flow drum respectively, and the middle conveyor and the longitudinal axial flow drum are arranged on two sides of the horizontal axial flow drum respectively. The threshing structure is large in feeding quantity and high in operating efficiency during harvesting, connection of a threshing, cleaning and selecting drum and a discharging port of the middle conveyor is smooth and small in loss, crops in the horizontal axial flow drum are good in threshing, cleaning and selecting effect, and a notch board screen is large in separating area.
Description
Technical field
The present invention relates to agricultural machinery technological field, be specifically related to the threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester.
Background technology
At present domestic common crawler-type harvester threshing and cleaning structure mainly contains two kinds: the first list horizontal axial drum structure, at threshing position, arrange a transverse rollers, and this is the most old-fashioned threshing mode.The second list longitudinal axial flow roller structure, drum length is long.
The pluses and minuses of above-mentioned two kinds of structures are as follows:
The advantage of structure one, single horizontal axial drum is simple in structure, easily manufactured, and cost is low, and shortcoming can only meet basic threshing function; Threshing with clean the width that effect is limited by the ceding of Taiwan, process relatively difficulty of entrainment loss.Now, along with the improving constantly of the output of crops, user is increasing to the expectation of agricultural machinery harvesting efficiency, and this threshing mode is washed in a pan just gradually.
Structure two, longitudinal axial flow are arranged a longitudinal cylinder at threshing position, middle crop of carrying feeding mouth to serve enters cylinder by longitudinal cylinder taper screw feeder and carries out threshing and cleaning; Approximate 2 meters long of longitudinal axial flow roller, threshing with clean effectively, entrainment loss is few, is not limited by the width of the ceding of Taiwan.Shortcoming be feed quantity generally all below 4kg/s, middle conveying with the loss of threshing feeding mouth is difficult to control, whole machine length is oversize, field radius of turn is large, line-haul cost is higher.This type originates in Japanese Kubo field company, and present domestic south is more prevailing, and market capacity is in continuous rising.
Summary of the invention
The object of the invention is to provide for the problems referred to above the threshing structure of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester, under the higher feed quantity of maintenance, high performance index prerequisite, make full use of available engine power, keep high effect operation.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
The threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester; comprise threshing frame, be arranged at vibratory sieve, the fan blower in threshing frame and be connected in the middle of threshing frame upper front end and carry; in described threshing frame, be also provided with the threshing cylinder being connected with conveying rear end, centre; described threshing cylinder comprises horizontal axial drum and the longitudinal axial flow roller being connected, and described horizontal axial drum is mutually vertical L-shaped with longitudinal axial flow roller.
As preferably, in the middle of connecting respectively, described horizontal axial drum two ends carry and longitudinal axial flow roller, and middle carry and longitudinal axial flow roller is arranged at respectively the both sides of horizontal axial drum.Middle conveying is connected by discharge gate and the transverse axis notes cylinder of rear end.Horizontal axial drum is connected by discharge gate and longitudinal axial flow roller.
As preferably, in the middle of connecting respectively, the two ends of described longitudinal axial flow roller carry and horizontal axial drum.
The present invention can adopt first horizontal axial drum and middle carry is connected clean, threshing again horizontal axial drum be connected in longitudinal axial flow roller with longitudinal axial flow roller clean, the mode of threshing, also can adopt centre conveying to be first connected again with longitudinal axial flow roller the mode that longitudinal axial flow roller is connected with horizontal axial drum.
As preferably, described horizontal axial drum comprises concave grate one and is arranged at the top cover one on concave grate one, in described horizontal axial drum, along horizontal axial drum length direction, be provided with cylindric braces one, described cylindric braces one comprises at the rotating disk one at cylindric braces one two ends and is arranged at the some ratch one between two rotating disks one, on described ratch one, be placed with spike-tooth one, described rotating disk one center is connected with the rotating shaft one that drives rotating disk one to rotate, described longitudinal axial flow roller comprises concave grate two and is arranged at the top cover two on concave grate two, in described longitudinal axial flow roller, along longitudinal axial flow roller length direction, be provided with cylindric braces two, described cylindric braces two comprises at the rotating disk two at cylindric braces two two ends and is arranged at the some ratch two between two rotating disks two, on described ratch two, be placed with spike-tooth two, described rotating disk two centers are connected with the rotating shaft two that drives rotating disk two to rotate, described vibratory sieve is arranged at described concave grate one and concave grate two belows.
Fan blower is arranged at skew back below before vibratory sieve, and fan blower is from bottom to top by the air blast of forward-backward algorithm vibratory sieve, and the stalk that threshing is fallen is discharged to outside under vibratory sieve and drum wind action, and air blast simultaneously can also blow quarter butt or the dust on the paddy rice that threshing falls off
As preferably, in described top cover one, be provided with some arc deflectors that are obliquely installed, in described top cover two, be provided with some arc deflectors that are obliquely installed two.
As preferably, described arc deflector one comprise by near middle delivery end to some transmission deflectors one of arranging successively near longitudinal axial flow roller end be arranged near longitudinal axial flow roller one end and the steering diversion plate contrary with transmitting deflector one incline direction, described arc deflector two comprises some transmission deflectors two of arranging successively.
As preferably, on described cylindric braces two, between the rotating disk two of close horizontal axial drum one end and ratch two, be also provided with taper guide cylinder, on described taper guide cylinder, be provided with some helical blades.
As preferably, between described helical blade and taper guide cylinder and be positioned at helical blade and be provided with reinforcement flow deflector towards a side of described horizontal axial drum.
The setting of taper guide cylinder and helical blade is led in longitudinal axial flow roller crop swimmingly, and transmission efficiency height has reduced loss simultaneously, and prevents stuck equipment when crop turns to, and has improved the performance of equipment.
Helical blade is strengthened flow deflector both can play the effect that effect of strengthening helical blade and taper guide cylinder bonding strength is similar to reinforcement, can get up the crop sending from horizontal axial drum is pushed to the effect in longitudinal axial flow roller again.
As preferably, on described ratch one near one end of longitudinal axial flow roller and be provided with some plate teeth along ratch one length direction.Under the acting in conjunction of the ratch one of plate tooth, steering diversion plate and high speed rotating, by also staying crop in horizontal axial drum, be sent to and in longitudinal axial flow roller, proceed threshing and cleaning efficiently.
As preferably, described transmission deflector one comprises the middle deflector of carrying first deflector of one end and being positioned at top cover one middle part near middle, described the first deflector is 25-45 degree to the projection on the horizontal plane at rotating shaft one axial line place and the angle between rotating shaft one axial line, in the middle of described, deflector is two that be arranged in parallel, in the middle of described, deflector and steering diversion plate are respectively 45-80 degree and 100-135 degree to the projection on the horizontal plane at rotating shaft one axial line place and the angle between rotating shaft one axial line, the length of described horizontal axial drum is 1000-1500 mm, the length of described longitudinal axial flow roller is 1000-1800mm.
The angle setting of above-mentioned each deflector makes threshing and cleaning and transfer rate coordinate to reach best, angle too inclination can to cause transmitting fastoperation threshing clean not, angle not inclination can cause crop transfer rate in cylinder to cross the slow operating efficiency that reduced.The setting of the first deflector has also guaranteed that horizontal axial drum is smooth and easy with middle discharge gate handing-over of carrying, and loses little.
In sum, the present invention has following beneficial effect:
1, horizontal axial drum is arranged on the front portion of threshing frame, carries the rear portion of discharge gate in the middle of being positioned at.In middle conveying, be provided with cylinder, crop is thrown toward horizontal axial drum from discharge gate under the centrifugal action of middle conveying cylinder, simultaneously under the rotation of horizontal axial drum, in the middle of capturing, carry get rid of into crop.Crop carries out threshing under the kneading action between drum ratch one strike effect and ratch one and concave grate one, and the grain of taking off and quarter butt fall down on the vibratory sieve of concave grate one bottom, under air blast and vibratory sieve effect, cleans.The crop of staying continuation threshing in horizontal axial drum transmits under deflector one effect on ratch one strike and top cover one, and threshing limit, limit is sent into end by crop and moved to other end discharge gate.When crop is sent to discharge gate position, longitudinal axial flow roller place, about 60% ~ 70% crop is by threshing and separating, and the remaining crop getting off is the stirring of horizontal axial drum spike-tooth one, plate tooth and ratch one, centrifugal and rotate under the blasting action producing by discharged to longitudinal axial flow roller.Taper guide cylinder and helical blade by longitudinal axial flow roller front end are grabbed effect into and get rid of into longitudinal axial flow roller, then under the effect by the arc deflector two on spike-tooth two, ratch two and top cover two, rearward move on threshing limit, limit.Rubbing under double action of two strikes of longitudinal axial flow roller ratch and concave grate two, crop in longitudinal axial flow roller again threshing with separated, the grain of taking off in more than assorted and quarter butt drop on concave grate two bottom vibratory sieves to be cleaned, during to concave grate two afterbody, all threshing completes, stalk is thrown away outside rear body by ratch two, completes thus the threshing course of work of whole L font transverse and longitudinal axial flow.Horizontal axial drum is main threshing cylinder, and longitudinal axial flow roller is multiple de-and assorted remaining separation barrel.
When 2, threshing structure of the present invention gathers in, feed quantity is large, and operating efficiency is high.
3, threshing and cleaning cylinder carries discharge gate handing-over smooth and easy with middle, loses little.
4, crop threshing in horizontal axial drum, clean effectively, concave grate separating area is large.
5, it is short that longitudinal axial flow roller can be designed to relative horizontal axial drum.Whole machine construction is compact, turns to, takes action flexibly.
6, this structure causes sorting screen area large, cleans effectively, loses little.、
7, this is simple in structure, firm, and cost is low, and equipment performance is good, long service life, and maintenance rate is low.
Accompanying drawing explanation
Fig. 1 is threshing structure schematic diagram one;
Fig. 2 is threshing structure schematic diagram two;
Fig. 3 is cylindric braces one structural representation one;
Fig. 4 is cylindric braces one structural representation two;
Fig. 5 is cylindric braces two structural representations one;
Fig. 6 is cylindric braces two structural representations two.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this specification, but as long as within the scope of claim of the present invention, are all subject to the protection of Patent Law.
Embodiment mono-:
The threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester; comprise threshing frame, be arranged at vibratory sieve 10, the fan blower 7 in threshing frame and be connected in the middle of threshing frame upper front end and carry 1; in threshing frame, be also provided with the threshing cylinder of carrying 1 rear end to be connected with centre; described threshing cylinder comprises horizontal axial drum 2 and the longitudinal axial flow roller 3 being connected, and described horizontal axial drum 2 is mutually vertical L-shaped with longitudinal axial flow roller 3.Fan blower 7 is arranged at the front skew back of vibratory sieve below, and fan blower 7 is from bottom to top by the air blast of forward-backward algorithm vibratory sieve.
In the middle of horizontal axial drum 2 two ends connect respectively, carry 1 and longitudinal axial flow roller 3, and middle carry 1 and longitudinal axial flow roller 3 be arranged at respectively the both sides of horizontal axial drum 2.Middle 1 discharge gate by rear end and the horizontal axial drum carried is connected.Horizontal axial drum is connected by discharge gate and longitudinal axial flow roller.
Horizontal axial drum 2 comprises concave grate 1 and is arranged at the top cover 1 on concave grate 1, described horizontal axial drum 2 is interior is provided with cylindric braces one along horizontal axial drum 2 length directions, described cylindric braces one comprises at the rotating disk 1 at cylindric braces one two ends and is arranged at the some ratch 1 between two rotating disks 1, on described ratch 1, be placed with spike-tooth 1, described rotating disk Yi41 center is connected with the rotating shaft 1 that drives rotating disk 1 to rotate, ratch one middle part is provided with the stiffening ring 8 that is vertically connected at each ratch one, described longitudinal axial flow roller 3 comprises concave grate 2 31 and is arranged at the top cover 2 32 on concave grate 2 31, described longitudinal axial flow roller 3 is interior is provided with cylindric braces two along longitudinal axial flow roller 3 length directions, described cylindric braces two comprises at the rotating disk 2 51 at cylindric braces two two ends and is arranged at the some ratch 2 52 between two rotating disks 2 51, on described ratch 2 52, be placed with spike-tooth 2 53, described rotating disk Er51 center is connected with the rotating shaft 2 54 that drives rotating disk 2 51 to rotate, described vibratory sieve 10 is arranged at described concave grate 1 and concave grate 2 31 belows.
In top cover 1, be provided with some arc deflectors that are obliquely installed, in top cover 2 32, be provided with some arc deflectors that are obliquely installed two.Arc deflector one comprises by transmitting deflector 1 and be arranged near longitudinal axial flow roller 3 one end and the steering diversion plate 62 contrary with transmitting deflector one 61 incline directions to 3 that arrange successively near longitudinal axial flow roller 3 ends near middle 1 end of carrying, arc deflector two comprises some transmission deflectors 2 63 of arranging successively, transmits deflector two parallel and be furnished with 3-5 bar in the present embodiment.
On cylindric braces two, between the rotating disk 2 51 of close horizontal axial drum 2 one end and ratch 2 52, be also provided with taper guide cylinder 55, taper guide cylinder is narrower than near ratch 2 52 one end near rotating disk 2 51 one end, is provided with some helical blades 56 on taper guide cylinder 55.Between helical blade 56 and taper guide cylinder 55 and be positioned at helical blade 56 and be provided with and strengthen flow deflector 57 towards a side of horizontal axial drum 2, on each helical blade, be provided with 2-5 sheet and strengthen flow deflector 57.
On ratch 1 near one end of longitudinal axial flow roller 3 and be provided with some plate teeth 45 along ratch one 42 length directions.Plate tooth is connected on adjacent spike-tooth.
Embodiment bis-:
Be in different from above-described embodiment connects respectively middle conveying 1 and horizontal axial drum 2 in the two ends of longitudinal axial flow roller 3.The length of described horizontal axial drum (2) is 1500 mm, and the length of described longitudinal axial flow roller (3) is 1800mm.
Embodiment tri-:
Projections be in described first deflector to the horizontal plane at rotating shaft one 44 axial line places on different from above-described embodiment and the angle between rotating shaft one 44 axial lines are 25 degree, in the middle of described, deflector is two that be arranged in parallel, in the middle of described, deflector and steering diversion plate 62 are respectively 45 degree and 135 degree to projection and the angle between rotating shaft one 44 axial lines on the horizontal plane at rotating shaft one 44 axial line places, the length of described horizontal axial drum 2 is 1300mm, and the length of longitudinal axial flow roller 3 is 1500mm.
Embodiment tetra-:
Projections be in described first deflector to the horizontal plane at rotating shaft one 44 axial line places on different from above-described embodiment and the angle between rotating shaft one 44 axial lines are 45 degree, in the middle of described, deflector is two that be arranged in parallel, in the middle of described, deflector and steering diversion plate 62 are respectively 60 degree and 120 degree to projection and the angle between rotating shaft one 44 axial lines on the horizontal plane at rotating shaft one 44 axial line places, the length of described horizontal axial drum 2 is 1000mm, and the length of longitudinal axial flow roller 3 is 1000mm.
Crop, in centre is carried and to be fed in horizontal axial drum, carries out threshing under the strike of ratch one and the kneading action of ratch one and concave grate one, and the grain of taking off and quarter butt drop on the vibratory sieve of bottom and clean.Under the effect of the deflector of remaining crop on top cover one by moving to longitudinal axial flow roller direction, finally to other end discharge gate place in horizontal axial drum.Under the crawl effect of the rotation air blast of ratch one in main horizontal axial drum, centrifugal action and longitudinal axial flow roller front end taper guide cylinder and helical blade, assorted remaining crop enters into longitudinal axial flow roller, under the strike of longitudinal axial flow roller ratch two and the kneading action of concave grate two, carry out threshing, the grain of taking off and quarter butt drop on the vibratory sieve of bottom and clean, the crop staying is under the effect of the deflector of top cover two, move to rear portion on threshing limit, limit, during to concave grate two afterbody, all threshing completes, and stalk is thrown away outside rear body by ratch two.
During threshing structure harvesting of the present invention, feed quantity is large, and operating efficiency is high.Threshing and cleaning cylinder carries discharge gate handing-over smooth and easy with middle, loses little.Crop threshing in horizontal axial drum, clean effectively, concave grate separating area is large.Whole machine construction is compact, turns to, takes action flexibly.
Claims (10)
1. the threshing structure of a L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester; comprise threshing frame, be arranged at vibratory sieve (10), the fan blower (7) in threshing frame and be connected in threshing frame upper front end in the middle of carry (1); it is characterized in that: in described threshing frame, be also provided with the threshing cylinder of carrying (1) rear end to be connected with centre; described threshing cylinder comprises horizontal axial drum (2) and the longitudinal axial flow roller (3) being connected, and described horizontal axial drum (2) is mutually vertical L-shaped with longitudinal axial flow roller (3).
2. the threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester according to claim 1, it is characterized in that: in the middle of connecting respectively, described horizontal axial drum (2) two ends carry (1) and longitudinal axial flow roller (3), and middle both sides of carrying (1) and longitudinal axial flow roller (3) to be arranged at respectively horizontal axial drum (2).
3. the threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester according to claim 1, is characterized in that: in the middle of the two ends of described longitudinal axial flow roller (3) connect respectively, carry (1) and horizontal axial drum (2).
4. a kind of L shaped horizontal stroke according to claim 2, the threshing structure of longitudinal axial flow whole-feeding combine harvester, it is characterized in that: described horizontal axial drum (2) comprises concave grate one (21) and is arranged at the top cover one (22) on concave grate one (21), in described horizontal axial drum (2), along horizontal axial drum (2) length direction, be provided with cylindric braces one, described cylindric braces one comprises and is positioned at the rotating disk one (41) at cylindric braces one two ends and is arranged at the some ratch one (42) between two rotating disks one (41), on described ratch one (42), be placed with spike-tooth one (43), described rotating disk one (41) center is connected with the rotating shaft one (44) that drives rotating disk one (41) to rotate, described longitudinal axial flow roller (3) comprises concave grate two (31) and is arranged at the top cover two (32) on concave grate two (31), in described longitudinal axial flow roller (3), along longitudinal axial flow roller (3) length direction, be provided with cylindric braces two, described cylindric braces two comprises and is positioned at the rotating disk two (51) at cylindric braces two two ends and is arranged at the some ratch two (52) between two rotating disks two (51), on described ratch two (52), be placed with spike-tooth two (53), described rotating disk two (51) centers are connected with the rotating shaft two (54) that drives rotating disk two (51) to rotate, described vibratory sieve (10) is arranged at described concave grate one (21) and concave grate two (31) belows.
5. the threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester according to claim 4, it is characterized in that: in described top cover one (22), be provided with some arc deflectors that are obliquely installed, in described top cover two (32), be provided with some arc deflectors that are obliquely installed two.
6. the threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester according to claim 5, it is characterized in that: described arc deflector one comprises that described arc deflector two comprises some transmission deflectors of arranging successively two (63) by carrying (1) end to some transmission deflectors one (61) of arranging successively near longitudinal axial flow roller (3) end and be arranged near longitudinal axial flow roller (3) one end and the steering diversion plate (62) contrary with transmitting deflector one (61) incline direction near middle.
7. the threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester according to claim 4, it is characterized in that: on described cylindric braces two, between the rotating disk two (51) of close horizontal axial drum (2) one end and ratch two (52), be also provided with taper guide cylinder (55), taper guide cylinder (55) is narrower than near ratch two (52) one end near rotating disk two (51) one end, is provided with some helical blades (56) on described taper guide cylinder (55).
8. the threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester according to claim 7, is characterized in that: between described helical blade (56) and taper guide cylinder (55) and be positioned at helical blade (56) and be provided with and strengthen flow deflector (57) towards a side of described horizontal axial drum (2).
9. the threshing structure of a kind of L shaped horizontal stroke, longitudinal axial flow whole-feeding combine harvester according to claim 6, is characterized in that: the upper one end near longitudinal axial flow roller (3) of described ratch one (42) is also provided with some plate teeth (45) along ratch one (42) length direction.
10. according to claim 6 L shaped horizontal stroke, the threshing structure of longitudinal axial flow whole-feeding combine harvester, it is characterized in that: described transmission deflector one (61) comprises the middle deflector of carrying first deflector of (1) one end and being positioned at top cover one (22) middle part near middle, described the first deflector is 25-45 degree to the projection on the horizontal plane at rotating shaft one (44) axial line place and the angle between rotating shaft one (44) axial line, in the middle of described, deflector is two that be arranged in parallel, in the middle of described, deflector and steering diversion plate (62) are respectively 45-80 degree and 100-135 degree to the projection on the horizontal plane at rotating shaft one (44) axial line place and the angle between rotating shaft one (44) axial line, the length of described horizontal axial drum (2) is 1000-1500 mm, the length of described longitudinal axial flow roller (3) is 1000-1800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310602335.6A CN103609250B (en) | 2013-11-26 | 2013-11-26 | A kind of L shape is horizontal, the threshing structure of longitudinal axial flow whole-feeding combine harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310602335.6A CN103609250B (en) | 2013-11-26 | 2013-11-26 | A kind of L shape is horizontal, the threshing structure of longitudinal axial flow whole-feeding combine harvester |
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| CN103609250A true CN103609250A (en) | 2014-03-05 |
| CN103609250B CN103609250B (en) | 2016-04-06 |
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| CN201310602335.6A Expired - Fee Related CN103609250B (en) | 2013-11-26 | 2013-11-26 | A kind of L shape is horizontal, the threshing structure of longitudinal axial flow whole-feeding combine harvester |
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| CN107278530A (en) * | 2017-07-25 | 2017-10-24 | 李严 | A kind of axial-flow type drum on harvester |
| CN108029350A (en) * | 2017-12-29 | 2018-05-15 | 十堰市双兴净化器有限公司 | A kind of full-feeding combine harvester sheller unit |
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| CN203575096U (en) * | 2013-11-26 | 2014-05-07 | 浙江亿森机械有限公司 | Threshing structure of L-shaped transverse longitudinal axial flow total-feed combined harvester |
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| CN108029350A (en) * | 2017-12-29 | 2018-05-15 | 十堰市双兴净化器有限公司 | A kind of full-feeding combine harvester sheller unit |
| CN108029350B (en) * | 2017-12-29 | 2023-07-18 | 湖北双兴智能装备有限公司 | Threshing device of full-feeding combine harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103609250B (en) | 2016-04-06 |
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