CN111567160B - Wheel track processing mechanism for tilling and sowing machinery - Google Patents
Wheel track processing mechanism for tilling and sowing machinery Download PDFInfo
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- CN111567160B CN111567160B CN202010512425.6A CN202010512425A CN111567160B CN 111567160 B CN111567160 B CN 111567160B CN 202010512425 A CN202010512425 A CN 202010512425A CN 111567160 B CN111567160 B CN 111567160B
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- auger
- support
- shaft
- traction
- bracket
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B37/00—Devices for loosening soil compacted by wheels or the like
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
- A01B33/021—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools
- A01B33/022—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools with helicoidal tools
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/087—Lifting devices; Depth regulation devices; Mountings
Abstract
The invention discloses a wheel track processing mechanism for a tilling and seeding machine, which comprises a main support, an auger shaft, an auger assembly and a power unit, wherein the auger shaft is arranged on the main support; the auger support is rotatably arranged at the front end of the main support, and the pitch angle of the auger support relative to the main support can be adjusted by an adjusting mechanism; the auger shaft is rotatably arranged on the auger support, and the rotation of the auger shaft is driven by the power unit; the auger assembly is mounted on the auger shaft. According to the wheel rut processing mechanism for the cultivation machine, the adjusting mechanism capable of adjusting the pitching angle of the auger support relative to the main support is arranged, so that the soil penetration depth of the spiral part on the auger assembly can be adjusted, the soil penetration depth of the spiral part can be adjusted according to the soil with different softness degrees, the requirement of the processing wheel rut on the volume of the floating soil is met, and the wheel rut processing quality is ensured.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a wheel track processing mechanism for a cultivation and sowing machine.
Background
Agricultural cultivation machinery is the basis of modernized agriculture, and it can carry out operations such as automatic seeding, fertilization, promotes cultivation efficiency greatly. The sowing and fertilizing process needs to be carried out on the soil to form the seed groove and the fertilizer groove so that seeds or fertilizers can be sowed in the seed groove and the fertilizer groove, so that the seeds can be planted in the soil and the fertilizers are not easy to run off.
The prior agricultural cultivation and seeding machinery is generally operated by traction machinery such as a tractor and the like, and the tractor can generate deeper wheel tracks in the advancing process, and the wheel tracks are not beneficial to the operation of seeding and fertilizing, so that when the tractor pulls the agricultural cultivation and seeding machinery to operate, the agricultural cultivation and seeding machinery needs to process the wheel tracks in time to ensure the quality of the subsequent operation of slotting, seeding and fertilizing. In the existing agricultural cultivation and seeding machinery, the soil leveling mechanism cannot use the soil with different soft degrees, and the processing quality of the wheel tracks is unstable.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the wheel track processing mechanism for the cultivation and sowing machine, which can adapt to different soils and ensure the processing quality.
The technical scheme is as follows: in order to achieve the purpose, the wheel track processing mechanism for the cultivating and seeding machine comprises a main bracket, an auger shaft, an auger assembly and a power unit; the auger support is rotatably arranged at the front end of the main support, and the pitch angle of the auger support relative to the main support can be adjusted by an adjusting mechanism; the auger shaft is rotatably arranged on the auger support, and the rotation of the auger shaft is driven by the power unit; the auger assembly is mounted on the auger shaft.
Furthermore, the adjusting mechanism comprises a handle seat, an adjusting handle and a swivel nut; the handle seat is rotatably arranged on the main bracket, the adjusting handle is rotatably arranged on the handle seat, and the adjusting handle is provided with a screw rod part; the screw sleeve rotating joint is rotatably arranged on the screw conveyor bracket; the screw rod part and the swivel nut are matched in a thread pair mode.
Further, the epaxial symmetry of screw feeder is installed two sets ofly the screw feeder subassembly, and every group the screw feeder subassembly all can be for the axial position is adjusted to the screw feeder axle.
Further, the screw feeder subassembly contains two screw portions that the symmetry set up, and two the spiral direction of screw portion is opposite.
Further, the screw feeder axle is corresponding to every the screw feeder subassembly all is equipped with the square shaft section, the screw feeder subassembly includes well pipe portion, well pipe portion cover is established on the square shaft section, just install on the well pipe portion and be used for the top tightly the tight screw in top of square shaft section outer wall.
Furthermore, the middle pipe part comprises a round pipe part, and two ends of the round pipe part are respectively fixed with an end plate with a square hole in the center; and the square hole in the middle of the end plate is in sliding fit with the square shaft section.
Further, the power unit comprises a hydraulic motor, the hydraulic motor is connected with a proportional valve through an oil pipe, and the proportional valve is connected with a pressure oil source through an oil pipe.
Further, the traction bracket is further included, and the main bracket is connected with the traction bracket through a floating structure.
Has the advantages that: according to the wheel rut processing mechanism for the cultivation machine, the adjusting mechanism capable of adjusting the pitching angle of the auger support relative to the main support is arranged, so that the soil penetration depth of the spiral part on the auger assembly can be adjusted, the soil penetration depth of the spiral part can be adjusted according to the soil with different softness degrees, the requirement of the processing wheel rut on the volume of the floating soil is met, and the wheel rut processing quality is ensured.
Drawings
FIG. 1 is a structural view of a rut treatment mechanism for a farming machine according to a first embodiment;
FIG. 2 is a bottom view of the rut treatment mechanism for a tilling and seeding machine in accordance with the first embodiment;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a block diagram of the auger assembly;
FIG. 5 is a structural view of a rut-disposing mechanism for a farming machine according to a second embodiment;
FIG. 6 is a cross-sectional view of a second embodiment of a rut treatment mechanism for a cultivator;
fig. 7 is a structural view of the softness detector.
In the figure: 1-auger support; 2-auger shaft; 21-square shaft section; 22-a first shaft section; 23-a second shaft section; 3-an auger assembly; 31-a helix; 32-a middle tube part; 321-a round tube part; 322-end plate; 33-tightening the screw; 4-a power unit; 41-a hydraulic motor; 42-a proportional valve; 5-an adjusting mechanism; 51-a handle seat; 52-adjusting handle; 53-swivel nut; 6-traction support; 7-a main support; 8-a floating structure; 81-a first link; 82-a second link; 83-third link; 84-a fourth link; 85-a transition rod; 86-a rotating shaft; 87-a tension spring; 88-a resilient connector; 881-spring cartridge; 882-a pull rod; 883-pressure spring; 9-softness detector; 91-device frame body; 92-a thrust plate; 93-elastic shock absorbers; 94-displacement sensor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The wheel track processing mechanism for the cultivation machine shown in fig. 1 and fig. 2 comprises an auger support 1, an auger shaft 2, an auger assembly 3 and a power unit 4.
Wherein the auger shaft 2 is rotatably mounted relative to the auger support 1, the rotation of which is driven by a power unit 4. The power unit 4 comprises a hydraulic motor 41, the hydraulic motor 41 is connected with a proportional valve 42 through an oil pipe, the proportional valve 42 is connected with a pressure oil source through an oil pipe, and the pressure oil source comprises an oil cylinder and an oil pump. Compared with the traditional motor, the hydraulic motor 41 is more resistant to severe environment, is suitable for the occasion of ploughing and seeding, and has high reliability and low failure rate. The operating speed of the hydraulic motor 41 is adjustable by means of a proportional valve 42.
The auger support 1 is provided with three rotary supporting structures which respectively support two ends and the center of the auger shaft 2. The above-described rotation support structure is provided with a bearing, so that not only can the auger shaft 2 smoothly rotate with respect to the auger support 1, but also the auger shaft 2 is effectively supported, which is not bent due to an excessively long length.
Two groups of auger components 3 are symmetrically arranged on the left side and the right side of the auger shaft 2, and the two groups of auger components 3 are respectively positioned on the two sides of the rotating supporting structure in the middle. As shown in fig. 2, each auger assembly 3 comprises two symmetrically arranged spiral parts 31, and the spiral directions of the two spiral parts 31 are opposite; the two spiral parts 31 have a certain interval therebetween; each set of the auger assembly 3 is adjustable in position in the length direction of the auger shaft 2.
In the structure, the two groups of screw feeder assemblies 3 are respectively used for processing two wheel tracks generated by traction machinery such as a tractor and the like. For the same auger assembly 3, the interval between the two spiral parts 31 is opposite to the wheel of the traction machine when in use, so the wheel track extruded by the wheel of the traction machine is positioned between the two spiral parts 31, because the spiral directions of the two spiral parts 31 are opposite, when the auger shaft 2 rotates, the two spiral parts 31 can respectively push the floating soil on the surface layer of the soil from the left side and the right side and gather the floating soil between the two spiral parts 31 to fill the wheel track, the volume of inputting the floating soil in unit time is effectively improved by pushing the floating soil in two directions, and the wheel track can be effectively filled. In addition, the spiral part 31 is equivalent to scraping the earth surface once while pushing the floating soil to move, and can play a role in primarily leveling the earth. Because the positions of the auger assemblies 3 can be adjusted in the length direction of the auger shaft 2, when the agricultural cultivation machines are pulled by the traction machines of different models, the positions of the two auger assemblies 3 can be adjusted in advance according to the wheel track of the traction machines, so that the middle parts of the auger assemblies 3 are aligned with the wheel track to achieve the best processing effect, the processing effect on the wheel track can be greatly improved, and the auger structure is suitable for the traction machines of different models.
Preferably, auger shaft 2 corresponds to every auger assembly 3 all is equipped with square shaft section 21, auger assembly 3 includes well pipe portion 32, well pipe portion 32 cover is established on the square shaft section 21, just install on the well pipe portion 32 and be used for the top tight screw 33 of square shaft section 21 outer wall. When the position of screw feeder subassembly 3 needs to be adjusted, only need loosen screw 33 and remove screw feeder subassembly 3, after adjusting the position, screw up screw 33 with the top and make its tip withstand square shaft section 21, adjust convenient, simple structure, realization with low costs.
Specifically, as shown in fig. 4, the middle tube part 32 includes a round tube part 321, and end plates 322 having a square hole at the center are fixed at both ends of the round tube part 321; the square hole in the middle of the end plate 322 and the square shaft section 21 are in sliding fit, so that the middle pipe part 32 does not need to be provided with the whole through square hole, and the effect of guiding and transmitting torque can be achieved only by relying on the square holes in the two end plates 322.
In addition, the auger shaft 2 is composed of two shafts, namely a first shaft section 22 and a second shaft section 23, the two shafts are in transmission connection and are respectively arranged at two sides of the rotating support structure in the middle, the first shaft section 22 and the second shaft section 23 are respectively provided with a square shaft section 21, and the two auger assemblies 3 are respectively arranged on the two shafts. Thus, the processing and assembling difficulty of the auger shaft 2 can be reduced.
In a further embodiment, due to different degrees of softness of the soil, the penetration depth of the spiral part 31 needs to be adjusted for different degrees of softness to achieve a better treatment effect. Therefore, the auger structure further comprises a main bracket 7, the auger bracket 1 is rotatably mounted at the front end of the main bracket 7, and the pitch angle of the auger bracket 1 relative to the main bracket 7 can be adjusted by an adjusting mechanism 5.
Specifically, as shown in fig. 3, a handle seat 51 is rotatably mounted on the main bracket 7, an adjusting handle 52 is rotatably mounted on the handle seat 51, and the adjusting handle 52 has a screw portion; the screw feeder support 1 is provided with a screw sleeve rotating joint 53 in a rotating mode, and the screw rod portion is matched with the screw sleeve rotating joint 53 in a thread pair mode. With this structure, by rocking the adjustment handle 52, the screw portion can be rotated, so that the swivel nut 53 is moved close to or away from the rear portion of the adjustment handle 52, thereby achieving adjustment of the pitch angle of the auger support 1. When the soil is softer, the deeper the wheel track extruded by the tractor is, the more the required floating soil is, the lower the auger support 1 needs to be adjusted, and the deeper the soil penetration depth of the spiral part 31 is; conversely, when the soil is harder, the lighter the wheel track extruded by the tractor, the less soil is required, the higher the auger support 1 needs to be adjusted, and the shallower the depth of penetration of the screw 31.
In a further embodiment, since the tractor has a large amplitude of jolt when moving on uneven ground, if the main bracket 7 is rigidly connected to the tractor, one end of the auger bracket 1 will tilt, and thus the auger assembly 3 cannot fully act on the ground. In order to avoid this, in a preferred second embodiment, as shown in fig. 5-6, the auger mechanism further comprises a towing bracket 6, said main bracket 7 being connected to said towing bracket 6 by a floating structure 8, the towing bracket 6 being connected to a towing machine such as a tractor. The floating structure 8 includes a four-bar linkage, an elastic connector 88, and a tension spring 87. The four-bar linkage includes a first link 81, a second link 82, a third link 83, and a fourth link 84, and is a parallelogram link structure. Wherein, the third connecting rod 83 is fixed on the traction bracket 6; the first link 81 and the second link 82 are disposed in parallel, and both ends of the first link and the second link are rotatably connected to a third link 83 and a fourth link 84, respectively. The elastic connector 88 is installed between the first link 81 and the traction bracket 6 so that the first link 81 has a tendency to swing downward. A transition rod 85 is fixedly connected to the fourth connecting rod 84, the middle portion of the main support 7 is hinged to the transition rod 85 through a rotating shaft 86, and a plurality of pairs of tension springs 87 are symmetrically arranged on two sides of the rotating shaft 86.
With the above structure, the transition lever 85 can be elastically floated up and down at the rear side of the traction bracket 6, and the main bracket 7 can elastically swing left and right with respect to the transition lever 85. Therefore, the main bracket 7 can elastically float up and down and elastically swing left and right relative to the traction bracket 6, the main bracket 7 can adapt to terrain to automatically adjust the pose by elasticity of the elastic connector 88 and the tension spring 87, the bumping vibration of the traction machine is filtered, and the auger assembly 3 and other parts (such as a soil leveling plate, a grooving device, a discharging pipe and the like, which are not shown in the figure) arranged on the main bracket 7 are ensured to constantly act on the ground.
The elastic connector 88 includes a spring cylinder 881 and a pull rod 882; the pull rod 882 has a first end disposed within the spring cylinder 881 and a second end that extends out of the first end of the spring cylinder 881. A pressure spring 883 is arranged between the spring cylinder 881 and the pull rod 882, and the pressure spring 883 enables the pull rod 882 to have the movement tendency of retracting into the spring cylinder 881; the second end of the pull rod 882 and the second end of the spring cylinder 881 are rotatably installed on the traction bracket 6 and the main bracket 7, respectively.
Preferably, the traction support 6 is connected with a traction machine through a three-point suspension device, the three-point suspension device is driven by a hydraulic lifting oil cylinder to lift relative to the traction machine, so that the hydraulic lifting oil cylinder can adjust the lifting of the traction support 6, due to the self-weight relation of the main support 7 and the components mounted on the main support 7, when the traction support 6 lifts in a certain range, the main support 7 cannot lift along with the lifting, at the moment, when the traction support 6 is lifted by the hydraulic lifting oil cylinder, the four-bar mechanism deforms to enable the pull rod 882 and the spring cylinder 881 to generate relative displacement, the pre-compression amount of the pressure spring 883 is increased, the rigidity of the pressure spring 883 is increased, and the up-down floating amplitude; when the traction bracket 6 is lowered by the hydraulic lifting cylinder, the four-bar mechanism deforms to enable the pull rod 882 and the spring cylinder 881 to generate relative displacement, the pre-compression amount of the pressure spring 883 is reduced, the rigidity of the pressure spring 883 is reduced, and thus the up-and-down floating amplitude of the transition rod 85 and the main bracket 7 is increased. So, adjust the precompression volume of pressure spring 883 through hydraulic pressure lift cylinder to adjust the floating amplitude of the up-and-down motion of main support 7, make the adaptable soil of different softness of main support 7. When the soil is softer, the hydraulic lifting oil cylinder lowers the traction support 6; when the soil is harder, the hydraulic lifting oil cylinder lifts the traction bracket 6 higher.
Because the elastic floating amplitude of the main support 7 can obtain a better effect only depending on the experience of a user, in order to reduce the influence of the experience of the user on the wheel rut processing quality, an automatic adjusting unit can be arranged to automatically adjust the elastic floating amplitude of the main support 7, specifically, the automatic adjusting unit comprises a controller, the controller is in control connection with a hydraulic lifting oil cylinder, the controller can control the lifting amount of the hydraulic lifting oil cylinder, and in addition, the controller is also connected with a softness detecting device 9 for detecting the softness of soil; the softness detecting device 9 is arranged on the traction main machine, and the softness detecting device 9 is arranged on the side edge of the wheel of the traction main machine; as shown in fig. 7, the looseness detecting device 9 includes a device frame body 91 and a thrust plate 92, the thrust plate 92 is always in contact with the ground, an elastic shock absorber 93 and a displacement sensor 94 are disposed between the device frame body 91 and the thrust plate 92, and the displacement sensor 94 is connected to a controller. By the aid of the softness detecting device 9, when tractors such as tractors move in a field, the tractor is heavy, the depth of a track extruded by the tractor can be detected to serve as an index for measuring soil softness, the softness detecting device 9 is arranged on the side edge of the wheel of the tractors by adopting the structure, the thrust plate 92 can directly press the ground beside the wheel to accurately measure the depth of the track, the thrust plate 92 can press the floating soil to be firmer under the pressure action of the elastic shock absorber 93, the measured depth of the track is more referential, the tractor is possibly skewed in the left and right directions, a group of softness detecting devices 9 can be respectively arranged beside the left and right wheels of the tractor, the controller averages the values of the two collected displacement sensors 94 to obtain the average track depth, and the controller can obtain the soil softness according to a corresponding relation curve of the preset average track depth and the soil softness, and the target displacement of the hydraulic lifting oil cylinder can be obtained according to the preset displacement relation curve of the soil softness and the hydraulic lifting oil cylinder, and the hydraulic lifting oil cylinder is driven to operate according to the target displacement, so that the elastic floating amplitude of the main bracket 7 can be adjusted. Preferably, in the above-mentioned looseness detecting device 9, there are two sets of elastic dampers 93, the two sets of elastic dampers 93 are disposed on the front and rear sides of the thrust plate 92, and the displacement sensor 94 is disposed in the middle of the thrust plate 92.
Similarly, the amount of pretension of the tension spring 87 can be adjusted to adjust the yaw amplitude of the main stand 7.
According to the wheel rut processing mechanism for the cultivation machine, the adjusting mechanism capable of adjusting the pitching angle of the auger support relative to the main support is arranged, so that the soil penetration depth of the spiral part on the auger assembly can be adjusted, the soil penetration depth of the spiral part can be adjusted according to the soil with different softness degrees, the requirement of the processing wheel rut on the volume of the floating soil is met, and the wheel rut processing quality is ensured.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (5)
1. A wheel track processing mechanism for a cultivation machine is characterized by comprising a main support (7), an auger support (1), an auger shaft (2), an auger assembly (3) and a power unit (4); the auger support (1) is rotatably arranged at the front end of the main support (7), and the pitch angle of the auger support relative to the main support (7) can be adjusted by an adjusting mechanism (5); the auger shaft (2) is rotatably mounted on the auger support (1), and the rotation of the auger shaft is driven by the power unit (4); the auger assembly (3) is mounted on the auger shaft (2);
two groups of auger assemblies (3) are symmetrically arranged on the auger shaft (2), and the axial position of each group of auger assemblies (3) can be adjusted relative to the auger shaft (2);
the auger shaft (2) is provided with square shaft sections (21) corresponding to each auger assembly (3), each auger assembly (3) comprises a middle pipe part (32), the middle pipe parts (32) are sleeved on the square shaft sections (21), and jacking screws (33) for jacking the outer walls of the square shaft sections (21) are mounted on the middle pipe parts (32);
the traction bracket (6) is further included, and the main bracket (7) is connected with the traction bracket (6) through a floating structure;
the traction support (6) is connected with traction machinery through a three-point suspension device, and the three-point suspension device is driven by a hydraulic lifting oil cylinder to lift relative to the traction machinery;
the automatic adjusting device also comprises an automatic adjusting unit for automatically adjusting the elastic floating amplitude of the main bracket (7), wherein the automatic adjusting unit comprises a controller which is in control connection with the hydraulic lifting oil cylinder; the controller is also connected with a softness detection device (9) for detecting the softness of the soil; the softness detecting device (9) is arranged on the side edge of the wheel of the traction main machine; the softness detecting device (9) comprises a device frame body (91) and a thrust plate (92), wherein the thrust plate (92) is always in contact with the ground, an elastic shock absorber (93) and a displacement sensor (94) are arranged between the device frame body (91) and the thrust plate (92), and the displacement sensor (94) is connected with a controller.
2. The rut treatment mechanism for a tilling and sowing machine according to claim 1, wherein the adjustment mechanism (5) comprises a handle seat (51), an adjustment handle (52) and a swivel nut (53); the handle seat (51) is rotatably arranged on the main bracket (7), the adjusting handle (52) is rotatably arranged on the handle seat (51), and the adjusting handle (52) is provided with a screw rod part; the screw sleeve rotating joint (53) is rotatably arranged on the screw conveyor bracket (1); the screw rod part is in thread pair fit with the threaded sleeve rotating joint (53).
3. The rut treatment mechanism for tilling and sowing machine according to claim 1, wherein the auger assembly (3) comprises two symmetrically arranged spiral parts (31), and the spiral directions of the two spiral parts (31) are opposite.
4. The rut treatment mechanism for the agricultural machinery as claimed in claim 1, wherein the middle tube part (32) comprises a round tube part (321), and end plates (322) having a square hole at the center are fixed at both ends of the round tube part (321); and a square hole in the middle of the end plate (322) is in sliding fit with the square shaft section (21).
5. A rut treatment mechanism for a tilling and sowing machine according to claim 1, wherein the power unit (4) comprises a hydraulic motor (41), the hydraulic motor (41) being connected to a proportional valve (42) via an oil line, the proportional valve (42) being connected to a pressure oil source via an oil line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010512425.6A CN111567160B (en) | 2020-06-08 | 2020-06-08 | Wheel track processing mechanism for tilling and sowing machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010512425.6A CN111567160B (en) | 2020-06-08 | 2020-06-08 | Wheel track processing mechanism for tilling and sowing machinery |
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| CN111567160A CN111567160A (en) | 2020-08-25 |
| CN111567160B true CN111567160B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010512425.6A Active CN111567160B (en) | 2020-06-08 | 2020-06-08 | Wheel track processing mechanism for tilling and sowing machinery |
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| CN113303042B (en) * | 2021-04-15 | 2023-04-04 | 农业农村部南京农业机械化研究所 | Rut earthing device for agricultural machinery |
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|---|---|---|---|---|
| CN2103880U (en) * | 1991-10-18 | 1992-05-13 | 上海市嘉定县农县研究所 | Paddy field leveling machine |
| CN2371769Y (en) * | 1999-05-19 | 2000-04-05 | 殷志明 | Multifunctional three-shared mounted plough |
| CN203327496U (en) * | 2013-06-13 | 2013-12-11 | 四川农业大学 | Rice planter wheel imprint filling device |
| WO2016145490A1 (en) * | 2015-03-16 | 2016-09-22 | Tynab Pty Ltd | Wheel track renovator and method of use |
| CN205694135U (en) * | 2016-04-29 | 2016-11-23 | 汤本文 | Seeder is with taking off flat spin |
| CN206226934U (en) * | 2016-10-13 | 2017-06-09 | 青海省畜牧兽医科学院 | A kind of tractor bull wheel impression arrester |
| CN207443357U (en) * | 2017-10-20 | 2018-06-05 | 金塔县金农机械制造有限公司 | A kind of novel rotary cultivator |
| CN207476133U (en) * | 2017-11-04 | 2018-06-12 | 郁永田 | A kind of agricultural grader |
| CN208016266U (en) * | 2017-12-22 | 2018-10-30 | 河北锦禾农业机械有限公司 | A kind of rice transplanter rut covers leveling device |
-
2020
- 2020-06-08 CN CN202010512425.6A patent/CN111567160B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2103880U (en) * | 1991-10-18 | 1992-05-13 | 上海市嘉定县农县研究所 | Paddy field leveling machine |
| CN2371769Y (en) * | 1999-05-19 | 2000-04-05 | 殷志明 | Multifunctional three-shared mounted plough |
| CN203327496U (en) * | 2013-06-13 | 2013-12-11 | 四川农业大学 | Rice planter wheel imprint filling device |
| WO2016145490A1 (en) * | 2015-03-16 | 2016-09-22 | Tynab Pty Ltd | Wheel track renovator and method of use |
| CN205694135U (en) * | 2016-04-29 | 2016-11-23 | 汤本文 | Seeder is with taking off flat spin |
| CN206226934U (en) * | 2016-10-13 | 2017-06-09 | 青海省畜牧兽医科学院 | A kind of tractor bull wheel impression arrester |
| CN207443357U (en) * | 2017-10-20 | 2018-06-05 | 金塔县金农机械制造有限公司 | A kind of novel rotary cultivator |
| CN207476133U (en) * | 2017-11-04 | 2018-06-12 | 郁永田 | A kind of agricultural grader |
| CN208016266U (en) * | 2017-12-22 | 2018-10-30 | 河北锦禾农业机械有限公司 | A kind of rice transplanter rut covers leveling device |
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| CN111567160A (en) | 2020-08-25 |
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Effective date of registration: 20221227 Address after: 251199 South, 300m west of the intersection of Qizhong Avenue and Mingjia West Road, Qihe Economic Development Zone, Dezhou, Shandong Patentee after: Shandong younia Agricultural Machinery Co.,Ltd. Address before: No. 100, Liuying, Zhongshan Gate, Xuanwu District, Nanjing, Jiangsu Province, 210000 Patentee before: NANJING Research Institute FOR AGRICULTURAL MECHANIZATION MINISTRY OF AGRICULTURE |