CN102067749B - Self-propelled onion mulching film recoverer - Google Patents
Self-propelled onion mulching film recoverer Download PDFInfo
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- CN102067749B CN102067749B CN 201010537341 CN201010537341A CN102067749B CN 102067749 B CN102067749 B CN 102067749B CN 201010537341 CN201010537341 CN 201010537341 CN 201010537341 A CN201010537341 A CN 201010537341A CN 102067749 B CN102067749 B CN 102067749B
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Abstract
The invention relates to a miniature self-propelled onion mulching film recoverer comprising a power device, a speed reducer, a power clutch device, a travelling chassis, a stand, a transmission system, a scarifying and film-lifting device, a soil-clearing device, a film-lifting device, conveying bridges and a film-coiling device. The recoverer adopts a rectangular frame structural form based on a three-wheeled self-propelled chassis, the power device of the whole machine is arranged at the rear-upper part of the machine body, the devices and the mechanisms at all parts of the machine are jointed together through the transmission system, the scarifying and film-lifting device is mounted at the foremost of the machine body, the soil-clearing device is mounted above the scarifying and film-lifting device through bearing seat plates at both ends and arranged at the rear-upper side of the soil-clearing device, the film-lifting device comprising four film-lifting wheels are arranged on the stand, the four groups of conveying bridges which are arranged at a certain inclined angle and close to the rear-upper side of the film-lifting device are fixed in the middle of the stand, and the film-coiling device is mounted at the lower-rear part of the machine body. In the on-site operation, the onion mulching film is lift by a film lifter in the front of the machine, residue soil on the surface of the mulching film is removed by the soil-clearing device, and the four film-lifting wheels of the film-lifting device continuously lift toward the rear-upper side of the machine so that the mulching film enters the conveying bridges, is rolled by a film-pressing mechanism above the conveying bridges and is conveyed toward the film-coiling device at the rear-lower side of the machine, and finally, the mulching film is continuously wound on a film-coiling roller of the film-coiling device so as to finish the recovery operation process of the mulching film.
Description
Affiliated technical field
self-propelled onion mulching film recoverer of the present invention, relate to a kind of small-sized self-walking operation, can will wait for that the mulch film in the onion pond of results carries out the equipment that mechanization is reclaimed, it has adopted and has taken on the three-wheel self-propelled type chassis as the rectangular frame structure form on basis, the power set of complete machine are arranged in the upper back of body, by the transmission tradition, each part device and the mechanism of machine are linked together, loosen the soil and choose the forefront that film device is arranged on body, the bearing plate of clear native device by its two ends is arranged on to loosen the soil chooses the top of film device, be positioned at the back upper place of native clearly device, arrange a film device that is consisted of by four skinning wheels on frame, near the back upper place of playing film device, there are four groups to be the middle part that the conveying gap bridge of installing at certain angle of inclination is fixed on frame, film rolling device is arranged on the lower rear portion of body.Like this, during the machine field operation, the mulch film in the onion pond is chosen film device by loosening the soil of machine the place ahead and is chosen in body, through several procedures of each part device of machine, completes mulch film and reclaims operation process.
Background technology
At present, known domestic residual film to the land for growing field crops crops reclaims take the small suspension type type as representative, its general configuration is by hanger bracket, film-holding device, film-uncovering arm, drive disk assembly, form from full device and volume film roller etc., and this model structure is simple, and the mulch film rate of recovery and operating efficiency are all not high.And the exploitation of the professional type that very mulch film in the onion pond is reclaimed also belongs to space state.
Summary of the invention
Existing type is very strong to property in order to overcome, the equal not high problem of the mulch film rate of recovery and operating efficiency, the invention provides a kind of self-propelled onion mulching film recoverer, mulch film in the onion pond by loosening the soil of machine the place ahead choose film device choose into, remove the soil block particle on mulch film surface through clear native device, again after several skinning wheels that play film device are constantly instigateeed to the back upper place, mulch film enters to carry and passes a bridge, enter film rolling device after carrying the gap bridge transporting, thereby complete the complete mechanical recovery operation process of mulch film.
the technical solution adopted for the present invention to solve the technical problems is: the machine has adopted and has taken on the three-wheel self-propelled type chassis as the rectangular frame structure form on basis, the power set of complete machine are arranged in the upper back of body, by the transmission tradition, each part device and the mechanism of machine are linked together, loosen the soil and choose the forefront that film device is arranged on body, the bearing plate of clear native device by its two ends is arranged on to loosen the soil chooses the top of film device, be positioned at the back upper place of native clearly device, arrange a film device that is consisted of by four skinning wheels on frame, near the back upper place of playing film device, there are four groups to be the middle part that the conveying gap bridge of installing at certain angle of inclination is fixed on frame, film rolling device is arranged on the lower rear portion of body.
Another technical characteristics of the present invention is: implement porter is comprised of driving wheel bridge, deflecting roller, steering arm and road wheel, and the driving wheel bridge is made of a pair of speed-changing chain, central transmission, differential mechanism, driving bridge tube beam and two jack shafts.
the 3rd technical characteristics of the present invention is: be arranged on loosening the soil of front part of a body and choose film device by the member that loosens the soil, choose the film device, connecting rod rotating shaft and crank moving bar form, and the member that loosens the soil is by break shovel, spade and spade tailgate form, choose the film device again by film stir-up tooth, pressing plate, bracket forms, choosing film device integral body is arranged between two spade tailgates of the member that loosens the soil by himself bracket, and can carry out angular adjustment thereon, and the member and to choose the film device another with being connected in the connecting rod rotating shaft by the spade that loosens the soil of loosening the soil, the crank moving bar of pressing connecting rod rotating shaft one end can make both and jointly turn an angle.
The 4th technical characteristics of the present invention is: clear native device is comprised of drive pulley, bearing block, rotating shaft, two groups of helical blades and nylon bristle, and two groups of helical blades are arranged symmetrically on axle, one group of rotary orientation is left, another group rotary orientation is right, and all fixedly is being wound around nylon bristle every group of helical blade outer most edge by its spiral trend.
The 5th technical characteristics of the present invention is: play film device and be comprised of drive sprocket, bearing block, skinning rotating shaft and four skinning wheels, wherein each skinning wheel again by cylinder outer ring, middle axle sleeve, support spoke, elastic claw fixed head and the seam of rubber elastic claw, assemble, wherein six rubber elastic claws are to be separately fixed at above six elastic claw fixed heads of wheel body by bolt.
the 6th technical characteristics of the present invention is: carry and pass a bridge by the active transportation roller assembly, passive conveying roller assembly, wide conveyer belt, narrow conveyer belt, pressing film roller assembly and support form, and wherein, the active transportation roller assembly is again by travelling gear, driving shaft, bearing block, two long conveying rollers and two short conveying rollers consist of, and passive conveying roller assembly is by driven axle, bearing, two long conveying rollers, two short conveying rollers consist of, and its structure of pressing film roller assembly and driven roll are always identical, and, main, passive conveying roller assembly is in when assembling, and wherein separately two long conveying rollers are arranged in the middle of axle, and two short conveying rollers are arranged in the both sides of axle, are leading, passive conveying roller assembly both between, the installation site of two group leader's conveying rollers and two groups of short conveying rollers is luxuriant corresponding, be set with wide conveying flat rubber belting between two group leader's conveying rollers, be set with narrow conveying flat rubber belting between two groups of short conveying rollers, and a whole set of pressing film roller assembly floating ground is arranged between the long chute of support of body both sides, and the outer round surface of its two group leaders pressing film roller and two groups of short press molds contacts accordingly wide, on narrow conveying flat rubber belting top end surface.
The 7th technical characteristics of the present invention is: film rolling device is comprised of dental inlay clutch, drive pulley, bearing block and film rolling tooth assembly, and the film rolling tooth assembly is made of member seam such as a film rolling axis, two circular formers and several grizzly bars, and therein on grizzly bar, along its length direction be evenly arranged, seam has six to grab film point device.
The invention has the beneficial effects as follows: owing to adopting the self-propelled mulch film way of recycling of do mechanization operation fully automatically, the rate of recovery of mulch film in the onion pond is approached absolutely, the while has also greatly been improved operating efficiency.
Description of drawings
Below in conjunction with accompanying drawing, this explanation is described further
Fig. 1 is main apparent structure sketch of the present invention
Fig. 2 is the structure sketch of overlooking of the present invention
Fig. 3 is the structure sketch on walking of the present invention chassis
Fig. 4 is the structure sketch of driving wheel bridge of the present invention
Fig. 5 is that of the present invention loosening the soil chosen the main apparent structure sketch of film device
Fig. 6 is the side-looking structure sketch that loosens the soil and choose film device of the present invention
Fig. 7 is the structure sketch of clear native device of the present invention
Fig. 8 is the structure sketch of of the present invention film device
Fig. 9 is the main apparent structure sketch of the skinning wheel assembly of of the present invention film device
Figure 10 is the side-looking structure sketch of the skinning wheel assembly of of the present invention film device
Figure 11 is the main apparent structure sketch that conveying of the present invention is passed a bridge
Figure 12 is the side-looking structure sketch that conveying of the present invention is passed a bridge
Figure 13 is the structure sketch of the drive roll assembly of conveying gap bridge of the present invention
Figure 14 is the structure sketch of film rolling device of the present invention
1. power set in Fig. 2,2. reductor, 3. power-off device, 4. intermediate propeller shaft, 5. walking chassis, 6. transmission system, 7. loosen the soil and choose film device, 8. clear native device, a 9. film device, 10. frame, 11. carry and pass a bridge, 12. film rolling devices.
13. steering arms in Fig. 3,14. deflecting rollers, 15. road wheels, 16. driving wheel bridges.
17. speed-changing chains in Fig. 4,18. central transmissions, 19. differential mechanisms, 20. drive bridge tube beam, 21. jack shafts.
22. film stir-up tooths in Fig. 5,23. pressing plates, 24. brackets, 25. connecting rod rotating shafts, 26. bearing pins.
27. break shovels in Fig. 6,28. spade tailgates, 29. spades, 6. frame, 30. crank moving bars.
31. bearing blocks in Fig. 7,32. bearing block support plates, 33. left-hand screw vane group, 34. rotating shafts, 35. right-hand screw vane group, 36. nylon bristles, 37. drive pulleys.
38. drive sprockets in Fig. 8,39. bearing blocks, 40. skinning rotating shafts, 41. skinning wheel assemblies.
42. cylinder outer rings in Fig. 9, axle sleeves in the middle of 43., 44. support spokes.
45. rubber elastic claws in Figure 10,46. elastic claw fixed heads.
47. drive roll assemblies in Figure 11,48. driven roll assemblies, 49. wide conveying flat rubber beltings, 50. narrow conveying flat rubber beltings.
6. frames in Figure 12,51. supports, 52. pressing film roller assemblies.
53. travelling gears in Figure 13,54. driving shafts, 55. long conveying rollers, 56. short conveying rollers, 39. bearing blocks.
57. dental inlay clutches in Figure 14,58. drive pulleys, 59. film rolling tooth assemblies, 60. regulating center bearing bases.
Embodiment
in embodiment illustrated in figures 1 and 2, before machinery operation, at first move handle, unclamp the power of controlling transmission of power from a pair of clutch of device (3) to dish, the power set that start the machine (1), after normal operation, make again a pair of clutch of power-off device to the dish combination, power is through reductor (2), intermediate propeller shaft (4), power-off device passes to the chassis (5) of walking, thereby driving complete machine advances forward, and the walking chassis through the transmission system (6) of machine with each functional organization and the system of transmission of power to the machine on installation frame (10), like this, machine is during to field operation, at first the compacting soil block of mulch film two edges and mulch film being chosen in body by the film device of choosing in its place ahead in the loose onion of the break shovel shovel pond of choosing film device (7) of loosening the soil of machine, remove the entrained small clod particle on mulch film surface through clear native device (8), again after four skinning wheels that play film device (9) are constantly instigateeed to the back upper place, mulch film enters carries pass a bridge (11), and the pressing wheel compacting on it, enter film rolling device (12) after transporting, thereby complete the operation process of recovery fully of mulch film.
In the embodiment shown in fig. 3, the walking chassis of complete machine is take the structure of three wheels as the basis, the front portion of the machine installed of two road wheels (15) wherein, be driving wheel, carry out power drive by driving wheel bridge (16), and another deflecting roller (14) is arranged on the afterbody of body, is follower, control the action of deflecting roller by hand control turning-bar (13), thereby control the direct of travel of whole machine.
In the embodiment shown in fig. 4, complete machine is in running or operation process, at first power passes to a pair of speed-changing chain (17) through reductor, drive central transmission (18) running, after its transmission commutation, power is passed to by two driven the differential mechanism (19) that bridge tube beam (20) supports, after the differential mechanism running, driving left and right two jack shafts (21) rotates, rotate thereby drive two driving wheels that are arranged on respectively two ends, the left and right driving semiaxis outside, realize complete machine straightaway or camber line turning function.
in Fig. 5 and embodiment shown in Figure 6, each film stir-up tooth (22) of machine front is fixedly mounted on above bracket (24) by two pressing plates (23), and the side plate of whole bracket by its two ends installed and is connected between two spade tailgates (28), each break shovel (27) is fixedly connected on spade (29) separately, and each spade is fixedly connected by a bearing pin (26) and is in a connecting rod rotating shaft (25) of hinged state in the frame (6) with complete machine, an end in the connecting rod rotating shaft is equipped with crank moving bar (30), integral body is loosened the soil choose film device by it and turn an angle, and be convenient to transport.
in the embodiment shown in fig. 7, one end of rotating shaft (34) spindle nose is equipped with drive pulley (37), bearing block (31) through its two ends is arranged on body between two bearing support plates (32) again, along axially being arranged symmetrically with of rotating shaft, seam has left-hand screw vane group (33) and right-hand screw vane group (35), and at every group of blade radial edge, move towards uniform winding along spiral and nylon bristle (36), like this, when transmission system with transmission of power to drive pulley, drive shaft is rotated, thereby with the left side on moving axis, the right-hand screw vane group is rotated, and each nylon bristle edge spiral trend separately above blade, complete function from the soil block particle to two outsides, mulch film surface that remove.
In the embodiment shown in fig. 8, transmission system by drive sprocket (38) with transmission of power to skinning rotating shaft (40) and make it to rotate, and the bearing block (39) of skinning rotating shaft through its both sides is fixed on above the body frame, between two bearing blocks, axially be equipped with four skinning wheel assemblies (41), drive four skinning wheel assemblies by the skinning rotating shaft like this and rotate, complete to the function of body back upper place instigation, conveying mulch film.
In Fig. 9 and embodiment shown in Figure 10, at first take middle axle sleeve (43) as core, each supports spoke (44) and two cylinder outer rings (42) seam together through the six roots of sensation its two ends, and between the cylindrical bus of two of the parallel overlap joints of six roots of sensation elastic claw seat board (46), seam cylinder outer ring, and be installed with a rubber elastic claw (45) in each elastic claw seat board relevant position with bolt.
in Figure 11 and embodiment shown in Figure 12, drive roll assembly (47) is directly installed on frame (6) by the bearing block at its two ends, back upper place at the drive roll assembly, passive assembly (48) is fixing, be arranged between two supports (51) of integral-rack both sides, leading, the driven roll assembly both between, two wide conveying flat rubber beltings (49) and two narrow conveying flat rubber beltings (50) are installed, pressing film roller assembly (52) floating ground be arranged between two bracket chute that are positioned at driven roll assembly top, rely on Action of Gravity Field, close contact between it and driven roll assembly.
In the embodiment shown in fig. 13, driving shaft (54) is arranged on the complete machine frame through two bearing blocks (39), be furnished with vertically two long conveying rollers (55) and two short conveying rollers (56) between two bearing blocks, left end at axle is equipped with a travelling gear (53), drives the drive roll assembly and rotates in order to carry power that transmission system passes over.
In the embodiment shown in fig. 14, film rolling tooth assembly (59) is fixed, is arranged on the frame of After-Body by two regulating center bearing bases (60), left shaft end head at the film rolling tooth assembly is designed with a cover dental inlay clutch (57), in order to control the clutch of the torsion power that is passed over by drive pulley (58).
Claims (6)
1. self-propelled onion mulching film recoverer, by power set, reductor, power-off device, three-wheel self-propelled type chassis, frame, transmission system, loosen the soil and choose film device, clear native device, play film device, carry and pass a bridge and film rolling device forms, it is characterized in that: described recycling machine has adopted take the rectangular frame structure form of described implement porter as the basis, power set are arranged in the upper back of described recycling machine, by transmission system, each part device and the mechanism of described recycling machine are linked together; Loosen the soil and choose the forefront that film device is arranged on described recycling machine, the bearing block gripper shoe of clear native device by its two ends is arranged on to loosen the soil chooses the top of film device; Be positioned at the back upper place of native clearly device, arrange a film device that is consisted of by four skinning wheels on described frame, near the back upper place of playing film device, there are four groups to be the middle part that the conveying gap bridge of installing at certain angle of inclination is fixed on described frame, film rolling device is arranged on the lower rear portion of described recycling machine; Be arranged on loosening the soil of described recycling machine front portion choose film device by the member that loosens the soil, choose film device, connecting rod rotating shaft and crank moving bar and form, and the member that loosens the soil is comprised of break shovel, spade and spade tailgate, choosing the film device is comprised of film stir-up tooth, pressing plate, bracket again, choosing film device integral body is arranged between two spade tailgates of the member that loosens the soil by himself bracket, and can carry out angular adjustment thereon, and the member and to choose the film device another with fixing, be connected in the connecting rod rotating shaft by spade of loosening the soil, the crank moving bar of pressing connecting rod rotating shaft one end can make both and jointly turn an angle.
2. self-propelled onion mulching film recoverer according to claim 1, it is characterized in that: described implement porter is comprised of driving wheel bridge, deflecting roller, steering arm and road wheel, and the driving wheel bridge is made of a pair of speed-changing chain and central transmission, differential mechanism, driving bridge tube beam and two jack shafts.
3. self-propelled onion mulching film recoverer according to claim 1, it is characterized in that: clear native device is comprised of drive pulley, clutch shaft bearing seat, rotating shaft, two groups of helical blades and nylon bristle, and two groups of helical blades are arranged symmetrically in described rotating shaft, one group of rotary orientation is left, another group rotary orientation is right, and all fixedly is being wound around nylon bristle every group of helical blade outer most edge by its spiral trend.
4. self-propelled onion mulching film recoverer according to claim 1, it is characterized in that: play film device and formed by drive sprocket, the second bearing block, skinning rotating shaft and four skinning wheels, wherein every single skinning wheel again by cylinder outer ring, middle axle sleeve, support spoke, elastic claw fixed head and the seam of rubber elastic claw, assemble, wherein six rubber elastic claws are to be separately fixed at above six elastic claw fixed heads of skinning wheel by bolt.
5. self-propelled onion mulching film recoverer according to claim 1, it is characterized in that: carrying passes a bridge carries flat rubber belting, narrow rubber to carry flat rubber belting, pressing film roller assembly and support to form by active transportation roller assembly, passive conveying roller assembly, wide rubber, wherein, the active transportation roller assembly is made of travelling gear, driving shaft, the 3rd bearing block, two the first long conveying rollers and two the first short conveying rollers again, passive conveying roller assembly is by driven axle, bearing, two the second long conveying rollers, two the second short conveying rollers consist of, wherein leading, during passive conveying roller assembly structure forms mention respectively first, the second long conveying roller is same parts, first, the second short conveying roller is also same parts, and its structure of pressing film roller assembly and passive conveying roller assembly are identical, and, main, passive conveying roller assembly is when assembling, separately two first wherein, the second long conveying roller is arranged in the centre of recycling machine longitudinal axis, and two first, the second short conveying roller is arranged in the both sides of recycling machine longitudinal axis, leading, passive conveying roller assembly both between, two group first, the second long conveying roller and two group first, the installation site of the second short conveying roller is corresponding one by one, at first of two groups of same sizes, be set with wide rubber between the second long conveying roller and carry flat rubber belting, at first of two groups of same sizes, be set with narrow rubber between the second short conveying roller and carry flat rubber belting, and a whole set of pressing film roller assembly floating ground is arranged between the long chute of described support of recycling machine both sides, and the outer round surface of its two group leaders pressing film roller and two groups of short pressing film rollers contacts accordingly at wide, narrow rubber and carries on the flat rubber belting top end surface.
6. self-propelled onion mulching film recoverer according to claim 1, it is characterized in that: film rolling device is comprised of dental inlay clutch, the first drive pulley, the 4th bearing block and film rolling tooth assembly, and the film rolling tooth assembly is made of a film rolling axis, two circular formers and the seam of several grizzly bar member, and therein on grizzly bar member, along its length direction be evenly arranged, seam has six to grab film point device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010537341 CN102067749B (en) | 2010-11-01 | 2010-11-01 | Self-propelled onion mulching film recoverer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010537341 CN102067749B (en) | 2010-11-01 | 2010-11-01 | Self-propelled onion mulching film recoverer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102067749A CN102067749A (en) | 2011-05-25 |
| CN102067749B true CN102067749B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010537341 Expired - Fee Related CN102067749B (en) | 2010-11-01 | 2010-11-01 | Self-propelled onion mulching film recoverer |
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| CN (1) | CN102067749B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823468B (en) * | 2012-08-21 | 2013-09-18 | 山西省农业科学院小麦研究所 | Lightweight mulch recovery machine for wheat field |
| CN102960091B (en) * | 2012-11-26 | 2015-01-28 | 新疆农垦科学院 | Farmland film residue clearing machine |
| CN103125159B (en) * | 2013-03-07 | 2015-07-01 | 中国农业大学 | Picking tooth film-rolling type recycling machine for residual plastic films |
| CN103340124B (en) * | 2013-07-03 | 2015-01-07 | 山东五征集团有限公司 | Full-automatic film removing machine |
| CN104025738A (en) * | 2014-06-26 | 2014-09-10 | 甘肃农业大学 | Mulch recycler |
| CN107135860B (en) * | 2017-05-15 | 2023-04-14 | 洛阳易通电气科技有限公司 | Removing machine and method for lifting/cleaning mulching film of tobacco seedlings |
| CN107094381A (en) * | 2017-06-30 | 2017-08-29 | 中国农业大学 | A kind of horizontal wrap formula topsoil incomplete film-recovering machine |
| CN107371411B (en) * | 2017-08-31 | 2023-09-22 | 新疆农垦科学院 | Follow-up type film rolling and recycling machine |
| CN108243638B (en) * | 2018-01-09 | 2019-11-19 | 中国农业大学 | A kind of colour bar cloth of burying grapevine recycling machine native clearly |
| CN108401758A (en) * | 2018-05-31 | 2018-08-17 | 甘肃洮河拖拉机制造有限公司 | A kind of novel high-efficiency environment friendly film roll picks up machine |
| CN108811549A (en) * | 2018-05-31 | 2018-11-16 | 甘肃洮河拖拉机制造有限公司 | A kind of film roll with frictional synchronizer picks up machine |
| CN108668729B (en) * | 2018-08-20 | 2020-10-27 | 重庆市美琪工业制造有限公司 | Mulching film recovery equipment |
| CN110149819A (en) * | 2019-06-19 | 2019-08-23 | 石河子大学 | A kind of combined working soil incomplete film-recovering machine |
| CN110663425B (en) * | 2019-10-14 | 2022-08-09 | 尧章辉 | Agricultural heat preservation membrane clean-up equipment |
| CN112673734A (en) * | 2020-12-30 | 2021-04-20 | 石河子大学 | Edge film soil and impurity removing device and edge film soil and impurity removing method |
| CN116982506B (en) * | 2023-09-25 | 2023-12-05 | 山西农业大学 | Recycling machine for water-releasing drought-resistant mulching film |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343748Y (en) * | 1998-08-03 | 1999-10-20 | 东北农业大学 | Film rolling machine |
| CN2730082Y (en) * | 2004-07-15 | 2005-10-05 | 李兴文 | Machine for removing mulch film |
| KR100883629B1 (en) * | 2008-05-28 | 2009-02-17 | 정상채 | Treatment apparatus of waste vinyl |
| CN201383921Y (en) * | 2009-02-10 | 2010-01-20 | 东北农业大学 | Multifunctional operating machine for recovering mulching films, cleaning stubbles and preparing soil |
| CN101658087A (en) * | 2009-09-07 | 2010-03-03 | 山东农业大学 | Mini type mulching film recovery machine of tobacco in seedling stage |
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2010
- 2010-11-01 CN CN 201010537341 patent/CN102067749B/en not_active Expired - Fee Related
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Inventor after: Zhang Haikun Inventor after: Li Hongde Inventor after: Ai Hongbin Inventor after: Wang Yu Inventor after: Zhang Boren Inventor after: Zhou Fengbo Inventor before: Zhang Haikun Inventor before: Li Hongde Inventor before: Ai Hongbin Inventor before: Wang Yu Inventor before: Zhang Boren Inventor before: Zhou Fengbo |
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Granted publication date: 20130612 Termination date: 20161101 |