A terrain-adaptive seedbed conditioner

By designing a terrain-adaptive seedbed tillage machine, and employing a folding mechanism and an adaptive adjustment system, the problem of inconsistent tillage depth on uneven ground was solved, achieving stability and consistency in tillage depth and improving tillage quality.

CN224521707UActive Publication Date: 2026-07-21JILIN ACAD OF AGRI MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JILIN ACAD OF AGRI MACHINERY
Filing Date
2025-07-23
Publication Date
2026-07-21

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  • Figure CN224521707U_ABST
    Figure CN224521707U_ABST
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Abstract

A terrain self-adaptive seedbed preparation machine is provided with a main frame, a folding mechanism and a self-adaptive adjusting system. The folding mechanism comprises left and right folding frames and left and right folding oil cylinders. The two ends of the left folding oil cylinder are hingedly connected with the left folding frame and the main frame respectively, and the two ends of the right folding oil cylinder are hingedly connected with the right folding frame and the main frame respectively. The self-adaptive adjusting system comprises left and right hydraulic energy storage tanks, left and right adjusting hydraulic cylinders and left and right soil crushing and compacting depth limiting mechanisms. The left hydraulic energy storage tank is fixedly connected with the left folding frame, one end of the left adjusting hydraulic cylinder is hingedly connected with the left folding frame, and the other end is hingedly connected with the left soil crushing and compacting depth limiting mechanism. The right hydraulic energy storage tank is fixedly connected with the right folding frame, one end of the right adjusting hydraulic cylinder is hingedly connected with the right folding frame, and the other end is hingedly connected with the right soil crushing and compacting depth limiting mechanism. The machine can automatically adjust the working depth according to the actual working terrain and adjust the working depth in real time.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, and in particular to a terrain-adaptive seedbed tillage machine. Background Technology

[0002] Land preparation is a crucial step in agricultural production, referring to the small-scale disturbance of the topsoil after tillage and before sowing, such as breaking up, loosening, leveling, and compacting the soil. Proper land preparation creates favorable soil conditions for crop seed germination and growth; it is also essential for ensuring efficient, high-quality, and low-energy sowing.

[0003] Existing seedbed tillage machines cannot guarantee consistent tillage depth and stable operational results on uneven farmland, especially in areas with large terrain undulations such as rolling hills, gentle slopes, and hilly areas where corn stalk cover conservation tillage is used. Existing seedbed tillage machines have difficulty completing tillage operations well. Utility Model Content

[0004] In view of the above, in order to overcome the defects of poor consistency of tillage depth and low stability in the existing technology, a terrain-adaptive seedbed tillage machine is proposed. It is applied to corn stalk cover conservation tillage planting areas with large terrain undulations such as gentle hills, gentle slopes and hilly areas in Northeast China. The machine can autonomously level itself according to the actual working terrain and adjust the tillage depth in real time.

[0005] A terrain-adaptive seedbed tillage machine includes a main frame, a folding mechanism, and an adaptive adjustment system. The folding mechanism includes a left folding frame and a right folding frame, respectively hinged to the main frame, as well as a left folding cylinder and a right folding cylinder. The two ends of the left folding cylinder are hinged to the left folding frame and the main frame, respectively, and the two ends of the right folding cylinder are hinged to the right folding frame and the main frame, respectively. The adaptive adjustment system includes a left hydraulic storage tank, a right hydraulic storage tank, a left adjusting hydraulic cylinder, a right adjusting hydraulic cylinder, and a left crusher. The system includes a soil compaction depth limiting mechanism and a right soil compaction depth limiting mechanism. A left hydraulic storage tank is fixed to a left folding frame, with its inlet and outlet ports connected to the inlet and outlet ports of a left adjusting hydraulic cylinder via hydraulic pipes. One end of the left adjusting hydraulic cylinder is hinged to the left folding frame, and the other end is hinged to the left soil compaction depth limiting mechanism. A right hydraulic storage tank is fixed to a right folding frame, with its inlet and outlet ports connected to the inlet and outlet ports of a right adjusting hydraulic cylinder via hydraulic pipes. One end of the right adjusting hydraulic cylinder is hinged to the right folding frame, and the other end is hinged to the right soil compaction depth limiting mechanism.

[0006] According to the present application, a terrain-adaptive seedbed tillage machine also includes a traction frame, a straw and soil chopping, turning and mixing system, a long straw and soil separation system, a walking system and an upper bracing.

[0007] According to the present application, a terrain-adaptive seedbed tillage machine is provided, wherein the traction frame is connected to the main frame by a two-point hinge, and the traction frame is fixed to the main frame by an upper tie rod.

[0008] According to a terrain-adaptive seedbed tillage machine of this application, the straw and soil chopping, turning, and mixing system includes a front row of left front lateral cutting, turning, and mixing units and a rear row of right front lateral cutting, turning, and mixing units. The front row of left front lateral cutting, turning, and mixing units consists of several left front lateral cutting, turning, and mixing units, and the rear row of right front lateral cutting, turning, and mixing units consists of the same number of right front lateral cutting, turning, and mixing units as the left front lateral cutting, turning, and mixing units. The left front lateral cutting, turning, and mixing units and the right front lateral cutting, turning, and mixing units are arranged in a staggered, front-to-back alignment.

[0009] According to a terrain-adaptive seedbed preparation machine of this application, the left front lateral cutting and turning mixing unit is fixed to the front crossbeam of the left folding frame and the right folding frame by two U-bolts, and the right front lateral cutting and turning mixing unit is fixed to the rear crossbeam of the left folding frame and the right folding frame by two U-bolts.

[0010] According to the present application, a terrain-adaptive seedbed preparation machine is provided, wherein the left front lateral cutting and turning mixing unit is composed of a connecting seat, an overload protection spring, a spring fixing seat, a left load crank, a notched ball bearing, and a right-hand bearing seat.

[0011] According to the present application, a terrain-adaptive seedbed tillage machine is provided, wherein the right front lateral cutting and turning mixing unit is composed of a connecting seat, an overload protection spring, a spring fixing seat, a right load crank, a notched ball bearing, and a left-hand bearing seat.

[0012] According to the present application, a terrain-adaptive seedbed tillage machine includes a long straw soil separation system comprising four sets of long straw soil separation components. The first set of separation components is hinged to the rear beam of the left folding frame via a hanging plate. The second set of separation components is hinged to the rear beam of the right folding frame via a hanging plate. The third set of separation components is hinged to the connecting beam of the left soil crushing and compaction depth limiting mechanism via a hanging plate. The fourth set of separation components is hinged to the connecting beam of the right soil crushing and compaction depth limiting mechanism via a hanging plate.

[0013] According to the present application, a terrain-adaptive seedbed tillage machine is provided, wherein each set of long straw soil separation components consists of a hanging plate, a crossbeam, a U-shaped elastic combing unit, and a pressure plate, and the U-shaped elastic combing unit is fixed to the crossbeam by the pressure plate and U-bolts.

[0014] According to the present application, a terrain-adaptive seedbed tillage machine includes a walking system comprising a lifting cylinder, a rotating arm, and walking wheels; the walking wheels are fixed to the rotating arm via a plate, the rotating arm is hinged to the main frame via a pin, one end of the lifting cylinder is hinged to the main frame, and the other end is hinged to the rotating arm.

[0015] After adopting the technology proposed in this utility model, the terrain-adaptive seedbed tillage machine according to the embodiments of this utility model has the following beneficial effects.

[0016] 1) It effectively eliminates the defects of inconsistent and unstable tillage depth caused by uneven ground surface due to the rigid depth limit system of traditional tillage machinery.

[0017] 2) Adaptive to uneven farmland surface: The machine can automatically level itself according to the actual terrain and adjust the tillage depth in real time to ensure the consistency and stability of tillage depth, thus guaranteeing the quality of tillage. Attached Figure Description

[0018] Figure 1 This is a front view of the overall structure according to an embodiment of this application;

[0019] Figure 2 This is a top view of the overall structure according to an embodiment of this application;

[0020] Figure 3 This is a structural diagram of an adaptive adjustment system according to an embodiment of this application;

[0021] Figure 4 This is an isometric view of the overall structure according to an embodiment of this application;

[0022] Figure 5 This is a schematic diagram of the left front lateral cutting and tumbling hybrid monomer structure according to an embodiment of this application;

[0023] Figure 6 This is a schematic diagram of the right front lateral cutting and tumbling hybrid monomer structure according to an embodiment of this application;

[0024] Figure 7 This is a schematic diagram of a long straw and soil separation component according to an embodiment of this application.

[0025] In the picture,

[0026] 1. Traction frame, 2. Main frame, 3. Folding mechanism, 4. Straw and soil chopping, turning and mixing system, 5. Long straw and soil separation system, 6. Walking system, 7. Adaptive adjustment system, 8. Top bracing;

[0027] 31. Left folding frame; 32. Right folding frame; 33. Left folding cylinder; 34. Right folding cylinder;

[0028] 41. Front row left front lateral cutting, turning and mixing unit; 42. Rear row right front lateral cutting, turning and mixing unit;

[0029] 411. Left front lateral cutting and tumbling mixed unit; 4111. Connecting seat; 4112. Overload protection spring; 4113. Spring fixing seat; 4114. Left load crank; 4115. Notched ball bearing plate; 4116. Right rotary bearing housing component.

[0030] 421. Right front lateral cutting and tumbling mixed unit; 4211. Right load crank; 4212. Left rotary bearing housing assembly;

[0031] 51. First group of separation components; 52. Second group of separation components; 53. Third group of separation components; 54. Fourth group of separation components;

[0032] 511. Hanging plate; 512. Crossbeam; 513. U-shaped elastic comb unit; 514. Pressure plate;

[0033] 61. Lift the hydraulic cylinder; 62. Rotate the support arm; 63. Move the ground wheels; 64. Place the plate.

[0034] 71. Hydraulic energy storage tank; 72. Hydraulic cylinder; 73. Soil compaction depth limiting mechanism;

[0035] 711. Left hydraulic storage tank; 712. Right hydraulic storage tank; 721. Left adjusting hydraulic cylinder; 722. Right adjusting hydraulic cylinder; 731. Left soil compaction depth limiting mechanism; 732. Right soil compaction depth limiting mechanism. Detailed Implementation

[0036] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. The following description, with reference to the accompanying drawings, is provided to aid in understanding exemplary embodiments of the present invention as defined by the claims and their equivalents. It includes various specific details to aid understanding, but these are to be considered exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present invention. Furthermore, detailed descriptions of functions and structures well known in the art will be omitted to make the specification clearer and more concise.

[0037] like Figure 1-7 As shown, a terrain-adaptive seedbed tillage machine includes a traction frame 1, a main frame 2, a folding mechanism 3, a straw and soil chopping, turning, and mixing system 4, a long straw and soil separation system 5, a walking system 6, an adaptive adjustment system 7, and an upper tie rod 8.

[0038] The traction frame 1 is connected to the main frame 2 by a two-point hinge, and the traction frame 1 and the main frame 2 are fixedly connected by the upper tie rod 8.

[0039] The folding mechanism 3 includes a left folding frame 31, a right folding frame 32, a left folding cylinder 33, and a right folding cylinder 34. The left folding frame 31 and the right folding frame 32 are respectively hinged to the main frame 2. The two ends of the left folding cylinder 33 are respectively hinged to the left folding frame 31 and the main frame 2. The two ends of the right folding cylinder 34 are respectively hinged to the right folding frame 32 and the main frame 2. The left and right folding frames are adjusted by the left and right folding cylinders.

[0040] The straw and soil chopping, turning, and mixing system 4 includes a front row of left-front lateral cutting, turning, and mixing units 41 and a rear row of right-front lateral cutting, turning, and mixing units 42. The front row of left-front lateral cutting, turning, and mixing units 41 consists of 12-20 left-front lateral cutting, turning, and mixing units 411, and the rear row of right-front lateral cutting, turning, and mixing units 42 consists of the same number of right-front lateral cutting, turning, and mixing units 421 as the left-front lateral cutting, turning, and mixing units 411 and right-front lateral cutting, turning, and mixing units 421 are staggered by one unit and aligned front to back.

[0041] The long straw soil separation system 5 includes four sets of long straw soil separation components; the first set of separation components 51 is hinged to the rear beam of the left folding frame 31 via a hanging plate 511; the second set of separation components 52 is hinged to the rear beam of the right folding frame 32 via a hanging plate 511; the third set of separation components 53 is hinged to the connecting beam of the left soil crushing and compaction depth limiting mechanism 731 via a hanging plate 511; and the fourth set of separation components 54 is hinged to the connecting beam of the right soil crushing and compaction depth limiting mechanism 732 via a hanging plate 511.

[0042] The walking system 6 includes a lifting cylinder 61, a rotating support arm 62, and a walking wheel 63. The walking wheel 63 is fixed to the rotating support arm 62 by a plate 64. The rotating support arm 62 is hinged to the main frame 2 by a pin. One end of the lifting cylinder 61 is hinged to the main frame 2, and the other end is hinged to the rotating support arm 62.

[0043] The adaptive adjustment system 7 includes a hydraulic storage tank 71, an adjusting hydraulic cylinder 72, and a soil compaction depth limiting mechanism 73. The hydraulic storage tank 71 includes a left hydraulic storage tank 711 and a right hydraulic storage tank 712. The adjusting hydraulic cylinder 72 includes a left adjusting hydraulic cylinder 721 and a right adjusting hydraulic cylinder 722. The soil compaction depth limiting mechanism 73 includes a left soil compaction depth limiting mechanism 731 and a right soil compaction depth limiting mechanism 732. The left hydraulic storage tank 711 is fixedly connected to the left folding frame 31, and its inlet and outlet ends are connected to the inlet and outlet ends of the left adjusting hydraulic cylinder 721 via hydraulic pipes. One end of the left adjusting hydraulic cylinder 721 is hinged to the left folding frame 31, and the other end is hinged to the left soil compaction depth limiting mechanism 731. The right hydraulic storage tank 712 is fixedly connected to the right folding frame 32, and the inlet and outlet ends are connected to the inlet and outlet of the right adjusting hydraulic cylinder 722 through hydraulic pipes; one end of the right adjusting hydraulic cylinder 722 is hinged to the right folding frame 32, and the other end is hinged to the right soil compaction depth limiting mechanism 732.

[0044] By preset the pressure values ​​of the left hydraulic energy storage tank 71 and the right hydraulic energy storage tank 72, the machine can adapt to uneven terrain.

[0045] When the pressure from the ground changes on the left soil compaction depth limiting mechanism 731, the hydraulic oil in the left adjusting hydraulic cylinder 721 can flow into or out of the left hydraulic energy storage tank 711 to offset and eliminate the strain caused by the pressure; when the pressure from the ground changes on the right soil compaction depth limiting mechanism 732, the hydraulic oil in the right adjusting hydraulic cylinder 722 can flow into or out of the right hydraulic energy storage tank 712 to offset and eliminate the strain caused by the pressure.

[0046] Furthermore, the left front lateral cutting and turning hybrid unit 411 is fixed to the front crossbeam of the left folding frame 31 and the right folding frame 32 by two U-bolts, and the lateral spacing between the two left front lateral cutting and turning hybrid units 411 is 200-300mm.

[0047] Furthermore, the right front lateral cutting and turning mixed unit 421 is fixed to the rear crossbeam of the left folding frame 31 and the right folding frame 32 by two U-bolts, and the lateral spacing between the two right front lateral cutting and turning mixed units 421 is 200-300mm.

[0048] Furthermore, the distance between the front and rear beams of the left folding frame 31 and the right folding frame 32 is 1000-1150mm.

[0049] Furthermore, the left front lateral cutting and tumbling hybrid unit 411 is composed of a connecting seat 4111, an overload protection spring 4112, a spring fixing seat 4113, a left load crank 4114, a notched ball bearing 4115, and a right-hand bearing seat component 4116.

[0050] Furthermore, the right front lateral cutting and tumbling hybrid unit 421 is composed of a connecting seat 4111, an overload protection spring 4112, a spring fixing seat 4113, a right load crank 4211, a notched ball bearing 4115, and a left-hand bearing seat component 4212.

[0051] Furthermore, each set of long straw soil separation components consists of a hanging plate 511, a crossbeam 512, a U-shaped elastic combing unit 513, and a pressure plate 514. The U-shaped elastic combing unit 513 is fixed to the crossbeam by the pressure plate 514 and U-shaped bolts, and the distance between two adjacent U-shaped units is 70-90mm.

[0052] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0053] 1. It effectively eliminates the defects of inconsistent and unstable tillage depth caused by uneven ground surface due to the rigid depth limit system of traditional tillage machinery.

[0054] 2. Adaptive to uneven farmland surface: The machine can automatically level itself according to the actual terrain and adjust the tillage depth in real time to ensure the consistency and stability of tillage depth, thus guaranteeing the quality of tillage.

[0055] The present invention has been described in detail above. Specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

[0056] Through the above description of the embodiments, those skilled in the art can clearly understand that this utility model is implementable. Of course, the situations listed above are merely examples, and this utility model is not limited thereto. Those skilled in the art should understand that other modifications or simplifications of the technical solutions of this utility model can be appropriately applied to this utility model and should be included within the scope of this utility model.

Claims

1. A terrain-adaptive seedbed tillage machine, characterized in that, The system includes a main frame (2), a folding mechanism (3), and an adaptive adjustment system (7). The folding mechanism (3) includes a left folding frame (31) and a right folding frame (32) respectively hinged to the main frame (2), as well as a left folding cylinder (33) and a right folding cylinder (34). The two ends of the left folding cylinder (33) are respectively hinged to the left folding frame (31) and the main frame (2), and the two ends of the right folding cylinder (34) are respectively hinged to the right folding frame (32) and the main frame (2). The adaptive adjustment system (7) includes a left hydraulic storage tank (711), a right hydraulic storage tank (712), a left adjusting hydraulic cylinder (721), a right adjusting hydraulic cylinder (722), and a left soil crusher. The structure includes a pressure limiting mechanism (731) and a right soil compaction and pressure limiting mechanism (732). A left hydraulic storage tank (711) is fixedly connected to a left folding frame (31), and its inlet and outlet ends are connected to the inlet and outlet ends of a left adjusting hydraulic cylinder (721) via hydraulic pipes. One end of the left adjusting hydraulic cylinder (721) is hinged to the left folding frame (31), and the other end is hinged to the left soil compaction and pressure limiting mechanism (731). A right hydraulic storage tank (712) is fixedly connected to a right folding frame (32), and its inlet and outlet ends are connected to the inlet and outlet ends of a right adjusting hydraulic cylinder (722) via hydraulic pipes. One end of the right adjusting hydraulic cylinder (722) is hinged to the right folding frame (32), and the other end is hinged to the right soil compaction and pressure limiting mechanism (732).

2. The terrain-adaptive seedbed tillage machine according to claim 1, characterized in that, It also includes a traction frame (1), a straw and soil chopping, turning and mixing system (4), a long straw and soil separation system (5), a walking system (6), and an upper bracing (8).

3. The terrain-adaptive seedbed tillage machine according to claim 2, characterized in that, The traction frame (1) is connected to the main frame (2) by a two-point hinge, and the traction frame (1) and the main frame (2) are fixedly connected by the upper tie rod (8).

4. The terrain-adaptive seedbed tillage machine according to claim 2, characterized in that, The straw and soil chopping, turning and mixing system (4) includes a front row left front lateral cutting, turning and mixing unit (41) and a rear row right front lateral cutting, turning and mixing unit (42). The front row left front lateral cutting, turning and mixing unit (41) is composed of several left front lateral cutting, turning and mixing units (411), and the rear row right front lateral cutting, turning and mixing unit (42) is composed of the same number of right front lateral cutting, turning and mixing units (421) as the left front lateral cutting, turning and mixing units (411). The left front lateral cutting, turning and mixing units (411) and the right front lateral cutting, turning and mixing units (421) are staggered and aligned front to back.

5. A terrain-adaptive seedbed tillage machine according to claim 4, characterized in that, The left front lateral cutting and turning hybrid unit (411) is fixed to the front crossbeam of the left folding frame (31) and the right folding frame (32) by two U-bolts, and the right front lateral cutting and turning hybrid unit (421) is fixed to the rear crossbeam of the left folding frame (31) and the right folding frame (32) by two U-bolts.

6. The terrain-adaptive seedbed tillage machine according to claim 4, characterized in that, The left front lateral cutting and tumbling mixed unit (411) is composed of a connecting seat (4111), an overload spring (4112), a spring fixing seat (4113), a left load crank (4114), a notched ball bearing (4115), and a right-hand bearing seat component (4116).

7. A terrain-adaptive seedbed tillage machine according to claim 4, characterized in that, The right front lateral cutting and tumbling hybrid unit (421) is composed of a connecting seat (4111), an overload spring (4112), a spring fixing seat (4113), a right load crank (4211), a notched ball bearing (4115), and a left-hand bearing seat component (4212).

8. A terrain-adaptive seedbed tillage machine according to claim 2, characterized in that, The long straw soil separation system (5) includes four sets of long straw soil separation components. The first set of separation components (51) is hinged to the rear beam of the left folding frame (31) via a hanging plate (511). The second set of separation components (52) is hinged to the rear beam of the right folding frame (32) via a hanging plate (511). The third set of separation components (53) is hinged to the connecting beam of the left soil crushing and compaction depth limiting mechanism (731) via a hanging plate (511). The fourth set of separation components (54) is hinged to the connecting beam of the right soil crushing and compaction depth limiting mechanism (732) via a hanging plate (511).

9. A terrain-adaptive seedbed tillage machine according to claim 8, characterized in that, Each set of long straw soil separation components consists of a hanging plate (511), a crossbeam (512), a U-shaped elastic combing unit (513), and a pressure plate (514). The U-shaped elastic combing unit (513) is fixed to the crossbeam by the pressure plate (514) and U-shaped bolts.

10. A terrain-adaptive seedbed tillage machine according to claim 2, characterized in that, The walking system (6) includes a lifting cylinder (61), a rotating arm (62), and a walking wheel (63); the walking wheel (63) is fixed to the rotating arm (62) by a plate (64), the rotating arm (62) is hinged to the main frame (2) by a pin, one end of the lifting cylinder (61) is hinged to the main frame (2), and the other end is hinged to the rotating arm (62).