No-tillage single body

By using shock absorbers and adjustment components on the press roller, the problem of the press roller being suspended in mid-air was solved, enabling stable soil covering and sowing depth adjustment on different terrains, ensuring smooth sowing and accurate soil covering.

CN223626349UActive Publication Date: 2025-12-05BAODING BANGTIAN MACHINERY MANUFACTURING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520027173.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-05
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The rollers of existing no-till machines are prone to being suspended in the air on different ground shapes, leading to failure in soil covering, especially on uneven terrain or slopes.

Method used

Shock absorbers are used to connect the compaction wheel. The rotational connection between the side seat and the frame allows the frame to deflect according to the ground shape. Combined with the adjustment components, the height of the depth limiting wheel and the position of the covering wheel are adjusted to ensure the stability of the compaction wheel and the accuracy of the covering.

Benefits of technology

It improves the adaptability of the roller and the accuracy of soil covering, avoids the problem of suspension, ensures the sowing depth and the integrity of soil covering, and improves the smoothness of sowing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223626349U_ABST
    Figure CN223626349U_ABST
Patent Text Reader

Abstract

The utility model discloses a no-tillage single body, which relates to the field of agricultural equipment, and comprises a rack, two groups of driving plates are arranged on the rack through two fixed arms, two seed guide pipes are vertically arranged on the rack, and the two seed guide pipes respectively extend into the two groups of driving plates; depth limiting wheels are arranged on one sides of the two groups of driving plates and are used for limiting the seeding depth; a height adjusting assembly is arranged on the machine frame and used for adjusting the height of the two depth limiting wheels. Soil covering wheels are arranged on the two sides of the rack, and an adjusting assembly is arranged on the rack and used for adjusting the positions and angles of the two soil covering wheels. The press wheel has the advantages that the press wheel can fluctuate according to the shape of the ground through the shock absorber, it is ensured that the press wheel can accurately cover soil, the side base is rotationally connected with the rack so that the rack can deflect according to the shape of the ground, the adaptability of the press wheel to the ground is further improved, the side base can be kept relatively stable, and a worker can conveniently control the side base.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural implement technical field, concretely relates to a no-tillage single body. BACKGROUND

[0002] The no-tillage single body mainly includes three parts, the front part is a ditching part, which is used for plowing soil and digging a seeding ditch, the middle part is a seeding part, seeds fall into the seeding ditch along the seed guide pipe, and the rear part is a pressing part, which plays a role of soil covering and soil moisture preservation through the pressing wheel.

[0003] In actual design, the current single seeding machine at least has the following problems:

[0004] The pressing wheels at the rear part of the frame are usually combined in a direct rigid fixed manner, and the pressing wheels at both sides are usually integral, when the terrain of the planting ground is uneven and a slope appears, the pressing wheels will easily be suspended and cause the failure of soil covering. UTILITY MODEL CONTENTS

[0005] The purpose of the utility model is to provide a no-tillage single body to solve the above problems, which is described in detail below.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a no-tillage single body, which comprises a frame, two groups of dials are installed on the frame through two fixed arms, two seed guide pipes are vertically installed on the frame, and the two seed guide pipes respectively extend into the two groups of dials;

[0008] One side of the two groups of dials is provided with a depth limiting wheel for limiting the seeding depth;

[0009] An adjusting assembly is arranged on the frame for adjusting the height of the two depth limiting wheels;

[0010] Earth covering wheels are arranged on both sides of the frame, and an adjusting assembly is arranged on the frame for adjusting the position and angle of the two earth covering wheels;

[0011] A side seat is rotatably connected to the end of the frame, and two pressing wheels are movably installed on the side seat.

[0012] The above-mentioned no-tillage single body can make the pressing wheels rise and fall according to the ground shape through the shock absorber, the frame can deflect according to the ground shape through the rotatable connection between the side seat and the frame, and the side seat can be kept relatively stable, which is convenient for the operator to control the side seat;

[0013] The height of the depth limiting wheel is adjusted by the adjusting assembly, the depth limiting wheel can limit the depth of the dial into the soil, so as to adjust the seeding depth of the device;

[0014] The position and angle of the covering wheel can be adjusted through the adjusting assembly, so that the covering wheel can be adapted to different furrowing and the covering accuracy and completeness are improved.

[0015] The two groups of dials are staggered front and back, avoiding the problem of grass entanglement and mud blockage caused by too close distance between the two groups of dials, and ensuring the smoothness of the furrowing and plowing action.

[0016] As a preferred, the side seat is rotatably connected with two movable arms through two rotating shafts, and a roller is rotatably connected with the movable arms, and a shock absorber is arranged between the movable arms and the side seat.

[0017] As a preferred, a handrail is fixedly connected with the side seat.

[0018] As a preferred, a limiting slot is formed in the movable arm, and two fixed rods are fixedly connected with the handrail and respectively pass through the two limiting slots.

[0019] As a preferred, the adjusting assembly comprises two guide rods I, two guide rods I are fixedly connected with the two sides of the frame, a sliding sleeve I is slidably connected with the guide rod I, a guide rod II is fixedly connected with the sliding sleeve I, a sliding sleeve III is slidably connected with the guide rod II, a sliding sleeve II is fixedly connected with the sliding sleeve III, a guide rod III is slidably connected in the sliding sleeve II, a covering wheel is installed at the lower end of the guide rod III, and locking bolts are threadedly connected with the sliding sleeve I, the sliding sleeve II and the sliding sleeve III.

[0020] As a preferred, the length directions of the guide rods I, II and III are respectively along the X-axis, the Y-axis and the Z-axis.

[0021] As a preferred, the height adjusting assembly comprises two pin shafts, the two pin shafts are rotatably connected with the frame, a connecting plate I and a connecting plate II are fixedly connected with the pin shaft, a depth limiting wheel is rotatably connected with the connecting plate II, a pull rod I is hingedly connected between the two connecting plates I, an arc-shaped plate is fixedly connected with the frame, a handle is rotatably connected with the arc-shaped plate, the handle is hingedly connected with the end of the pull rod I through a pull rod II, a clamping jaw is hingedly connected with the handle, a plurality of teeth arranged in a semicircle are arranged on the arc-shaped plate, the clamping jaw is meshed with the teeth, and a tension spring is arranged between the other side of the clamping jaw and the handle.

[0022] As a preferred, the two ends of the tension spring are fixedly connected with the clamping jaw and the handle, and the handle is rotatably connected with the center of the arc-shaped plate.

[0023] The beneficial effects are:

[0024] 1. The shock absorber allows the compaction wheel to adapt to the undulations of the ground, ensuring accurate soil covering. The side seat is rotatably connected to the frame, allowing the frame to deflect according to the ground shape, further improving the compaction wheel's adaptability to the ground. Meanwhile, the side seat remains relatively stable, making it easier for workers to control the side seat.

[0025] 2. The position and angle of the covering wheel can be adjusted by adjusting the components, so that the covering wheel can be adapted to different trenching methods, thereby improving the accuracy and integrity of the covering.

[0026] 3. The two sets of dials are staggered to avoid problems such as grass tangling and mud blockage caused by the two sets of dials being too close together, thus ensuring the smoothness of the ditching and tilling operation;

[0027] 4. By raising the height of the adjustable depth wheel, the depth of the sowing disc can be limited to the depth of the soil, thereby adjusting the sowing depth of the device to meet different planting needs. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a front view structural diagram of the present invention;

[0030] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0031] Figure 3 This is a three-dimensional structural schematic diagram of the present invention from another perspective;

[0032] Figure 4 This is a schematic diagram of the three-dimensional structure of the arc-shaped plate of this utility model.

[0033] The annotations in the attached figures are explained as follows:

[0034] 1. Frame; 2. Side seat; 3. Handrail; 4. Movable arm; 5. Pressing wheel; 6. Shock absorber; 7. Rotary shaft; 8. Fixed rod; 9. Limiting groove; 10. Height adjustment assembly; 11. Depth limiting wheel; 12. Fixed arm; 13. Dial; 14. Seed guide tube; 15. Soil covering wheel; 16. Adjustment assembly; 17. Guide rod one; 18. Guide rod two; 19. Guide rod three; 20. Sliding sleeve one; 21. Bolt; 22. Sliding sleeve two; 23. Sliding sleeve three; 24. Connecting plate one; 25. Pull rod one; 26. Arc plate; 27. Pull rod two; 28. Connecting plate two; 29. ​​Pin; 30. Claw; 31. Tension spring; 32. Handle. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope protected by the utility model.

[0036] Referring to Figures 1-4 As shown in the figure, the utility model provides a no-tillage unit, including frame 1, two groups of dial 13 are installed to frame 1 through two fixed arms 12, two seed guide tubes 14 are vertically installed on frame 1, and two seed guide tubes 14 respectively extend into two groups of dial 13;

[0037] The side of two groups of dial 13 is provided with depth limiting wheel 11, for limiting seeding depth;

[0038] Height adjusting assembly 10 is arranged on frame 1, for adjusting the height of two depth limiting wheels 11;

[0039] Frame 1 both sides are provided with soil covering wheel 15, and adjusting assembly 16 is arranged on frame 1 for adjusting the position and angle of two soil covering wheels 15;

[0040] Frame 1 end rotationally connected with side seat 2, and two compactors 5 are movably installed on side seat 2.

[0041] Frame 1 can be rotationally connected with side seat 2 by selecting any standard rotating part, and the specific structure of rotating part is not limited, and the existing technology can be used, and the end of frame 1 far away from the end can also be rotationally connected with the tractor by rotating part according to the needs, so that the rigidity connection between frame 1 and the tractor can be avoided, frame 1 also has swing function, so that the adaptability of the device to the ground is further improved.

[0042] As an optional embodiment, side seat 2 is rotationally connected with two movable arms 4 through two rotating shafts 7 respectively, compactor 5 is rotationally connected on movable arm 4, shock absorber 6 is arranged between movable arm 4 and side seat 2, shock absorber 6 is hingedly connected with side seat 2 and movable arm 4 at both ends respectively, shock absorber 6 movably supports compactor 5, so that it can adapt to the undulating road surface.

[0043] The device has multiple purposes, and can be suitable for soybean, corn and peanut.

[0044] Handrail 3 is fixedly connected on side seat 2.

[0045] The movable arm 4 is provided with a limiting groove 9, two fixed rods 8 are fixedly connected to the handrail 3 and pass through the limiting grooves 9, and the fixed rods 8 and the limiting grooves 9 are matched to limit the movable range of the compacting wheel 5 and avoid damaging the shock absorber 6.

[0046] The adjusting assembly 16 comprises two guide rods 17 fixedly connected to the two sides of the rack 1, a sliding sleeve 20 slidably connected to the guide rod 17, a guide rod 18 fixedly connected to the sliding sleeve 20, a sliding sleeve 23 slidably connected to the guide rod 18, a sliding sleeve 22 fixedly connected to the sliding sleeve 23, a guide rod 19 slidably connected to the sliding sleeve 22, and the depth limiting wheel 15 mounted at the lower end of the guide rod 19, and the sliding sleeve 20, the sliding sleeve 22 and the sliding sleeve 23 are all threadedly connected with locking bolts 21.

[0047] The guide rods 17, 18 and 19 enable the adjusting assembly 16 to have three adjusting directions, the sliding sleeves 20, 22 and 23 can be matched to move the depth limiting wheel 15 to the required position, the distance between the two depth limiting wheels 15 can be adjusted, and finally the sliding sleeves 20, 22 and 23 can be fixed by rotating the locking bolts 21.

[0048] The length directions of the guide rods 17, 18 and 19 are respectively along the X-axis, the Y-axis and the Z-axis.

[0049] The height adjusting assembly 10 comprises two pin shafts 29 rotatably connected to the rack 1, a connecting plate 24 and a connecting plate 28 fixedly connected to the pin shaft 29, the depth limiting wheel 11 rotatably connected to the connecting plate 28, the pull rod 25 hingedly connected between the two connecting plates 24, the arc-shaped plate 26 fixedly connected to the rack 1, the handle 32 rotatably connected to the arc-shaped plate 26, the handle 32 hingedly connected to the end of the pull rod 25 through the pull rod 27, the pawl 30 hingedly connected to the handle 32, and a plurality of teeth arranged along a semicircle on the arc-shaped plate 26 and engaged with the pawl 30, and a tension spring 31 arranged between the other side of the pawl 30 and the handle 32.

[0050] Firstly, the pawl 30 is pressed downward to disengage the pawl 30 from the teeth, then the pull rod 27 is pulled through the handle 32 to drive the pull rod 25 to move, the two connecting plates 24 are swung in the same direction through the pull rod 25, the depth limiting wheel 11 is swung through the pin shaft 29 and the connecting plate 28, thereby adjusting the height of the depth limiting wheel 11, and the end of the pawl 30 is pulled upward through the tension spring 31 to enable the pawl 30 to be engaged with the teeth, thereby fixing the position of the depth limiting wheel 11.

[0051] The pull spring 31 is fixedly connected with the claw 30 and the handle 32 at two ends, and the handle 32 is rotationally connected with the center of the arc-shaped plate 26, so that the claw 30 can move along the track of the tooth, and the claw 30 and the tooth can be firmly clamped.

[0052] With the above structure, the compacting wheel 5 can be raised and lowered according to the ground shape by the shock absorber 6, the frame 1 can be deflected according to the ground shape by the rotation connection between the side seat 2 and the frame 1, and the side seat 2 can be kept relatively stable, so that the staff can control the side seat 2.

[0053] By adjusting the height of the limiting depth wheel 11 by the adjusting assembly 10, the depth of the dial 13 entering the soil can be limited by the limiting depth wheel 11, so that the seeding depth of the device can be adjusted.

[0054] The position and angle of the covering wheel 15 can be adjusted by the adjusting assembly 16, so that the covering wheel 15 can be adapted to different furrows, and the covering accuracy and completeness can be improved.

[0055] The two groups of dials 13 are staggered in front and back, so that the problems of grass entanglement and mud blocking caused by too close spacing between the two groups of dials 13 can be avoided, and the smoothness of the furrowing and plowing action can be ensured.

[0056] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A no-till unit, characterized by: Including frame (1), two groups of dial (13) are installed on the frame (1) through two fixed arms (12), two seed guide tubes (14) are vertically installed on the frame (1), and the two seed guide tubes (14) extend into two groups of dial (13) respectively, One side of two groups of dial (13) is provided with depth limiting wheel (11) for limiting seeding depth, Height adjusting assembly (10) is arranged on the frame (1) for adjusting the height of two depth limiting wheels (11), Earth covering wheel (15) is arranged on both sides of the frame (1), and adjusting assembly (16) is arranged on the frame (1) for adjusting the position and angle of two earth covering wheels (15), The end of the frame (1) is rotatably connected with side seat (2), and two compactors (5) are movably installed on the side seat (2).

2. The no-till unit of claim 1, wherein: The side seat (2) is rotatably connected with two movable arms (4) through two rotating shafts (7) respectively, the movable arm (4) is rotatably connected with the compactor (5), and the shock absorber (6) is arranged between the movable arm (4) and the side seat (2), and the shock absorber (6) is hingedly connected with the side seat (2) and the movable arm (4) at both ends.

3. The no-till unit of claim 2, wherein: The side seat (2) is fixedly connected with handrail (3).

4. The no-till unit of claim 3, wherein: The movable arm (4) is provided with limiting groove (9), and the handrail (3) is fixedly connected with two fixed rods (8), and the two fixed rods (8) pass through the two limiting grooves (9) respectively.

5. The no-till unit of claim 1, wherein: The adjusting assembly (16) comprises two guide rods (17) fixedly connected on both sides of the frame (1), the guide rod (17) is slidably connected with the sleeve (20), the sleeve (20) is fixedly connected with the guide rod (18), the guide rod (18) is slidably connected with the sleeve (23), the sleeve (23) is fixedly connected with the sleeve (22), the sleeve (22) is slidably connected with the guide rod (19), the guide rod (19) is connected with the earth covering wheel (15) at the lower end, and the sleeve (20), the sleeve (22) and the sleeve (23) are all threadedly connected with the locking bolt (21).

6. The no-till unit of claim 5, wherein: The length direction of the guide rod (17), the guide rod (18) and the guide rod (19) is respectively arranged along X axis, Y axis and Z axis.

7. The no-till unit of claim 1, wherein: The height adjusting assembly (10) comprises two pin shafts (29) rotatably connected to the frame (1), the pin shafts (29) are fixedly connected with a connecting plate one (24) and a connecting plate two (28), the connecting plate two (28) is rotatably connected with a depth wheel (11), two connecting plate ones (24) are hingedly connected with a pull rod one (25), the frame (1) is fixedly connected with an arc-shaped plate (26), the arc-shaped plate (26) is rotatably connected with a handle (32), the handle (32) is hingedly connected with the end of the pull rod one (25) through a pull rod two (27), the handle (32) is hingedly connected with a pawl (30), the arc-shaped plate (26) is provided with a plurality of teeth arranged along a semicircle, the pawl (30) is meshed with the teeth, and a tension spring (31) is arranged between the other side of the pawl (30) and the handle (32).

8. The no-till unit of claim 7, wherein: The tension spring (31) is fixedly connected with the pawl (30) and the handle (32) at two ends, and the handle (32) is rotatably connected with the center of the arc-shaped plate (26).