Combined type soil covering stepless adjustment depth-limiting pressing structure
By designing a combined soil-covered unlimited depth-limited suppression structure, the problem of inability to effectively adjust the soil-covered amount and pressure suppression degree in the prior art is solved, and the seed moisture retention effect is improved and the seed sowing efficiency is improved.
Patent Information
- Application Number
- CN202421643628.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing no-till seeding machine for double-seeding soybean and peanut seedling belts cannot effectively adjust the amount of soil covering and pressure relief, which affects the seed moisture retention effect and the seed sowing efficiency of agricultural machinery.
A combined soil-covered unlimited adjustment depth-limit suppression structure is designed, including a frame, a soil-covered wheel and a contoured depth-limited wheel. The amount of soil-covered wheel and the height of the depth-limited wheel are increased and reduced by adjusting the height of the soil-covered wheel and the depth-limited wheel.
It realizes flexible adjustment of soil covering amount and pressure relief, ensures seed moisture retention and improves the seed sowing efficiency of agricultural machinery.
Smart Images
Figure CN222852615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural machinery, in particular to a combined soil covering stepless adjustment depth limiting and suppression structure. Background Art
[0002] At present, most of the soybean and peanut double-seedling strip no-till seeding machines available on the market use a large covering disc plus a depth-limiting roller structure, or a large covering disc plus a narrow V-shaped pressing wheel structure. These structures cannot effectively adjust and control the amount of soil covering and the pressure, which affects the effect of seed moisture retention and reduces the efficiency of agricultural machinery seeding. Summary of the invention
[0003] The purpose of the utility model is to overcome the deficiencies in the above-mentioned prior art and to provide a combined soil covering stepless adjustable depth limiting and suppressing structure which is simple in structure, easy to use, and can increase or decrease the amount of soil covering by adjusting the height of the soil covering wheel, and can increase or decrease the suppressing strength by adjusting the height of the depth limiting and suppressing wheel.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: it comprises a frame, a soil covering wheel and a contour depth limiting wheel arranged on the frame, the frame is a clamping plate frame provided with a hanging frame, two symmetrical movable holes and two wheel arm blocking rods, the hanging frame is provided with a soil covering device, a pressing device is provided between the movable holes, the soil covering device comprises a support respectively provided with a card screw and a connecting frame at both ends, the card screw is sleeved on the hanging frame, two soil covering wheels are symmetrically arranged on the connecting frame, a soil covering wheel height adjustment device is provided between the support and the connecting frame, the connecting frame and the two soil covering wheels A covering wheel spacing adjustment device is provided between them, the suppression device includes two contour-like depth-limiting wheels respectively provided with wheel arms, bolts are respectively provided between the two wheel arms and the frame, a scraper plate and a T-shaped retaining head through-hole corresponding to the movable hole are respectively provided at both ends of each wheel arm, and a contour-like depth-limiting wheel height adjustment device is provided between the two wheel arms and the frame, the connecting frame includes a concave lower plate provided with two transverse openings in a symmetrical manner, a vertical plate provided on the concave lower plate, two connecting plates provided between the vertical plate and the concave lower plate, and the two covering wheels are respectively provided on the corresponding transverse openings.
[0005] The soil covering wheel height adjustment device includes a support with one end arranged between two connecting plates, an upper limit plate provided on the support, a through hole provided on the upper limit plate, a push rod provided in the through hole, a lower limit plate provided at the lower part of the push rod and located between the two connecting plates, bolts respectively provided between the support, the lower limit plate and the two connecting plates, a plurality of fixing holes provided on the push rod, an anti-slip washer located at the upper part of the through hole and sleeved on the push rod, a pin located at the upper part of the anti-slip washer and arranged on the fixing hole, and a spring located between the upper limit plate and the lower limit plate and sleeved on the push rod.
[0006] The soil covering wheel spacing adjustment device includes an L-shaped connecting plate respectively arranged on each soil covering wheel, a soil covering wheel shaft arranged between each soil covering wheel and the L-shaped connecting plate, a longitudinal opening arranged on each L-shaped connecting plate, an outer bolt arranged between each transverse opening and the corresponding L-shaped connecting plate, and an inner bolt arranged between each transverse opening and the corresponding longitudinal opening.
[0007] The height adjustment device of the contoured depth limiting wheel includes an outer sleeve arranged on the frame, an adjustment rod provided in the outer sleeve in a threaded connection manner, a hand crank and a T-shaped retaining head respectively provided at both ends of the adjustment rod, a U-shaped adjustment rod limiter arranged on both ends of the outer sleeve and located above the hand crank, a Z-shaped adjustment rod scale with one end arranged on the T-shaped retaining head, a scale plate located below the other end of the Z-shaped adjustment rod scale and arranged on the outer sleeve, an adjustment rod through hole sleeved on the adjustment rod and arranged on the Z-shaped adjustment rod scale, two ends of the T-shaped retaining head respectively pass through corresponding movable holes and the T-shaped retaining head through holes and are arranged on the outside of the frame, and a wheel arm stop rod is arranged on the frame between the wheel arm and the outer sleeve.
[0008] Due to the adoption of the above technical scheme, the utility model has the following advantages: simple structure, easy to use, and can increase or decrease the amount of soil covering by adjusting the height of the soil covering wheel at any time according to needs, and increase or decrease the pressing force by adjusting the height of the depth limiting pressing wheel, thereby ensuring the effect of seed moisture conservation and effectively improving the sowing efficiency of agricultural machinery. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a structural schematic diagram of the utility model;
[0010] Figure 2 It is a schematic diagram of the structure of the soil covering wheel height adjustment device and the soil covering wheel spacing adjustment device in the utility model;
[0011] Figure 3 It is a schematic diagram of the connection structure between the connection frame and the L-shaped connection plate in the utility model;
[0012] Figure 4 It is a schematic diagram of the structure of the height adjustment device of the contour depth limiting wheel in the utility model;
[0013] Figure 5 yes Figure 4 Bottom view of
[0014] Figure 6 It is a three-dimensional structural schematic diagram of the height adjustment device of the contour depth limiting wheel in the utility model;
[0015] Figure 7 It is a schematic diagram of the structure of the contoured depth limiting wheel in the utility model;
[0016] Figure 8It is a schematic diagram of the connection structure of the support, the upper limit plate and the tappet in the utility model.
[0017] In the figure: 1. bracket; 2. upper limit plate; 3. perforation; 4. screw thread; 5. support; 6. tappet; 7. spring; 8. soil covering wheel; 9. T-shaped retaining head; 10. lower limit plate; 11. Z-shaped adjustment rod scale; 12. adjustment rod; 13. outer sleeve; 14. U-shaped adjustment rod limit piece; 15. retaining hole; 16. hand crank; 17. anti-dropping gasket; 18. scale plate; 19. wheel arm; 20. Contour depth limiting wheel; 21. Bolt; 22. Latch; 23. Mud scraper; 24. L-shaped connecting plate; 25. Soil covering wheel axle; 26. Frame; 27. Movable hole; 28. Wheel arm stop bar; 29. T-shaped retaining head through hole; 30. Horizontal opening; 31. Concave lower plate; 32. Vertical plate; 33. Connecting plate; 34. Longitudinal opening; 35. External bolt; 36. Internal bolt; 37. Adjustment rod through hole. DETAILED DESCRIPTION
[0018] As shown in Figure 1 to Figure 8As shown, the utility model provides a combined soil covering stepless adjustment depth limiting and suppressing structure, which includes a frame 26, a soil covering wheel 8 and a contoured depth limiting wheel 20 provided on the frame 26, wherein the frame 26 is a clamping plate frame provided with a hanging frame 1, two symmetrical movable holes 27 and two wheel arm blocking rods 28, a soil covering device is provided on the hanging frame 1, a suppressing device is provided between the movable holes 27, the soil covering device includes a support 5 with a card screw 4 and a connecting frame at both ends, the card screw 4 is sleeved on the hanging frame 1, two soil covering wheels 8 are symmetrically provided on the connecting frame, a soil covering wheel height adjustment device is provided between the support 5 and the connecting frame, and a soil covering device is provided between the connecting frame and the two soil covering wheels The wheel spacing adjustment device, the suppression device includes two contour-shaped depth-limiting wheels 20 respectively provided with wheel arms 19, bolts 21 are respectively provided between the two wheel arms 19 and the frame 26, and scrapers 23 and T-shaped retaining head through holes 29 corresponding to the movable holes 27 are respectively provided at both ends of each wheel arm 19, and a contour-shaped depth-limiting wheel height adjustment device is provided between the two wheel arms 19 and the frame 26, and the connecting frame includes a concave lower plate 31 provided with two transverse openings 30 in a symmetrical manner, a vertical plate 32 provided on the concave lower plate 31, and two connecting plates 33 provided between the vertical plate 32 and the concave lower plate 31, and two covering wheels 8 are respectively provided on the corresponding transverse openings 30. The soil covering wheel height adjustment device includes a support 5 with one end arranged between two connecting plates 33, an upper limit plate 2 provided on the support 5, a through hole 3 provided on the upper limit plate 2, a push rod 6 provided in the through hole 3, a lower limit plate 10 provided at the lower part of the push rod 6 and located between the two connecting plates 33, bolts respectively provided between the support 5, the lower limit plate 10 and the two connecting plates 33, a plurality of retaining holes 15 provided on the push rod 6, an anti-slip washer 17 located at the upper part of the through hole 3 and sleeved on the push rod 6, a pin 22 located at the upper part of the anti-slip washer 17 and arranged on the retaining hole 15, and a spring 7 located between the upper limit plate 2 and the lower limit plate 10 and sleeved on the push rod 6. The covering wheel spacing adjustment device includes an L-shaped connecting plate 24 respectively arranged on each covering wheel 8, a covering wheel shaft 25 arranged between each covering wheel 8 and the L-shaped connecting plate 24, a longitudinal opening 34 arranged on each L-shaped connecting plate 24, an outer bolt 35 arranged between each transverse opening 30 and the corresponding L-shaped connecting plate 24, and an inner bolt 36 arranged between each transverse opening 30 and the corresponding longitudinal opening 34.The height adjustment device of the contoured depth limiting wheel includes an outer sleeve 13 arranged on the frame 26, an adjustment rod 12 provided in the outer sleeve 13 in a threaded connection manner, a hand crank 16 and a T-shaped retaining head 9 respectively provided at both ends of the adjustment rod 12, a U-shaped adjustment rod limiter 14 arranged on the outer sleeve 13 and located above the hand crank 16 at both ends, a Z-shaped adjustment rod scale 11 arranged on the T-shaped retaining head 9 at one end, a scale plate 18 located below the other end of the Z-shaped adjustment rod scale 11 and arranged on the outer sleeve 13, an adjustment rod through hole 37 sleeved on the adjustment rod 12 and arranged on the Z-shaped adjustment rod scale 11, two ends of the T-shaped retaining head 9 respectively pass through the corresponding movable holes 27 and the T-shaped retaining head through hole 29 and are arranged on the outside of the frame 26, and a wheel arm stop rod 28 is arranged on the frame 26 between the wheel arm 19 and the outer sleeve 13.
[0019] When used specifically, the frame 26 of the utility model is fixed on the seed drill for use. During use, when the amount of soil covering needs to be increased, it can be achieved in the following two ways: one is that the amount of soil covering can be increased by increasing the depth of soil covering wheel 8. First, hold the connecting frame by hand, first pull out the latch 22 on the retaining hole 15, the lower limit plate 10 on the push rod 6 slowly moves downward under the action of the spring 7 and the hand force, and the connecting frame connected to the lower limit plate 10 also moves slowly downward with the bolt 21 as the axis with the soil covering wheel 8. When the upper end of the push rod 6 moves down to a certain position relative to the upper limit plate 2, the latch 22 is inserted into the retaining hole 15 above the anti-slip washer 17 for fixing. At this time, the upper and lower distances between the soil covering wheel 8 and the frame 26 become longer, the depth of soil covering wheel 8 increases, and the bulldozing area of the soil covering wheel 8 increases, thereby achieving the purpose of increasing the amount of soil covering. The second is to increase the amount of soil covering by increasing the eversion degree of the soil covering wheel. The inner bolt 36 is rotated to make it slide at the longitudinal opening 34 and reach the front end of the longitudinal opening 34. At this time, the L-shaped connecting plate 24 drives the covering wheel 8 to turn outward with the outer bolt 35 as the axis. Finally, the inner bolt 36 is tightened to fix the L-shaped connecting plate 24. The front push-up area of the covering wheel 8 turned outward is increased, and the purpose of increasing the covering amount is achieved again. When the covering amount needs to be reduced, it can be achieved by performing the reverse operation of the above two methods.
[0020] When it is necessary to adjust the soil-pressing force, after turning the U-shaped adjustment rod limiter 14 upward, the operator shakes the hand crank 16, and the adjustment rod 12 rotates in the outer sleeve 13 under the action of the hand crank 16, and under the action of the threaded connection, the adjustment rod 12 moves forward or backward relatively in the outer sleeve 13, thereby driving the T-shaped retaining head 9 and the Z-shaped adjustment rod scale 11 provided on the adjustment rod 12 to move forward or backward, and the ends of the T-shaped retaining head 9 are hooked at the movable hole 27. The T-shaped retaining head through hole 29 drives the wheel arm 19 to rotate up and down with the bolt 21 as the axis, and the rotation of the wheel arm 19 drives the contour depth limiting wheel 20 to move up and down relative to the frame 26, thereby realizing the increase or decrease of the pressure of the contour depth limiting wheel 20 on the land. At the same time, when the Z-shaped adjustment rod scale 11 moves forward or backward, the scale on the scale plate 18 can be observed to grasp the pressure of the contoured depth limiting wheel 20 on the land, ensure the effect of seed moisture conservation, and effectively improve the sowing efficiency of agricultural machinery.
Claims
1. A combined soil covering stepless adjustable depth limiting and suppressing structure, comprising a frame, a soil covering wheel and a contoured depth limiting wheel provided on the frame, characterized in that: The two wheels are symmetrically arranged at two ends, and a height adjustment device for adjusting the position of the two wheels is arranged between the two wheels.
2. A combined soil covering infinitely adjustable depth-limited suppression structure according to claim 1, characterized in that: The soil covering wheel height adjustment device includes a support with one end arranged between two connecting plates, an upper limit plate provided on the support, a through hole provided on the upper limit plate, a push rod provided in the through hole, a lower limit plate provided at the lower part of the push rod and located between the two connecting plates, bolts respectively provided between the support, the lower limit plate and the two connecting plates, a plurality of fixing holes provided on the push rod, an anti-slip washer located at the upper part of the through hole and sleeved on the push rod, a pin located at the upper part of the anti-slip washer and arranged on the fixing hole, and a spring located between the upper limit plate and the lower limit plate and sleeved on the push rod.
3. The combined soil-covering steplessly adjustable depth-limiting suppression structure according to claim 1 is characterized in that: The soil covering wheel spacing adjustment device includes an L-shaped connecting plate respectively arranged on each soil covering wheel, a soil covering wheel shaft arranged between each soil covering wheel and the L-shaped connecting plate, a longitudinal opening arranged on each L-shaped connecting plate, an outer bolt arranged between each transverse opening and the corresponding L-shaped connecting plate, and an inner bolt arranged between each transverse opening and the corresponding longitudinal opening.
4. The combined soil-covering steplessly adjustable depth-limiting suppression structure according to claim 1 is characterized in that: The height adjustment device of the contoured depth limiting wheel includes an outer sleeve arranged on the frame, an adjustment rod provided in the outer sleeve in a threaded connection manner, a hand crank and a T-shaped retaining head respectively provided at both ends of the adjustment rod, a U-shaped adjustment rod limiter arranged on both ends of the outer sleeve and located above the hand crank, a Z-shaped adjustment rod scale with one end arranged on the T-shaped retaining head, a scale plate located below the other end of the Z-shaped adjustment rod scale and arranged on the outer sleeve, an adjustment rod through hole sleeved on the adjustment rod and arranged on the Z-shaped adjustment rod scale, two ends of the T-shaped retaining head respectively pass through corresponding movable holes and the T-shaped retaining head through holes and are arranged on the outside of the frame, and a wheel arm stop rod is arranged on the frame between the wheel arm and the outer sleeve.