Depth-limiting wheel with shock-absorbing function

Abstract

The utility model discloses a depth limiting wheel with shock attenuation function, including depth limiting wheel clamping plate, be equipped with steering axle, baffle iron pivot sleeve, torsional spring axle, baffle ring sleeve on depth limiting wheel clamping plate, the steering axle is equipped with pivot seat, and the pivot seat is rotatory and is equipped with depth limiting wheel pivot in, pivot stopper is fixedly equipped on pivot seat, baffle iron pivot sleeve is fixedly equipped with pivot baffle, baffle ring and baffle limit angle, pivot stopper and pivot baffle abut, pivot baffle is fixedly equipped with ring chain handle on, and a plurality of ring chains are equipped on ring chain handle, and ring chain is connected with depth limiting wheel support arm, and depth limiting wheel support arm is installed on depth limiting wheel pivot, and the elastic component is equipped between ring chain. Through above-mentioned technical scheme, buffering spring can play the role of buffering when depth limiting wheel overturns, prevents gravity and directly pulls ring chain and produces deformation, effectively prolongs the service life of ring chain.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, and in particular to a depth-limiting wheel with shock absorption function. Background Technology

[0002] In the working mechanism of a reversible plow, the depth limiter is a key component, its main function being to precisely control the tillage depth and support the weight of the plow body. Traditional reversible plow depth limiter mechanisms, in some classic designs, often employ a chain suspension structure. This structure typically uses chains to suspend the depth limiter assembly (wheels, brackets, etc.) near the main beam of the plow frame or the reversing cylinder. While the structure is relatively simple, this design has a significant drawback: at the moment the plow body reverses, due to the large-angle, rapid rotation of the plow frame and the plow body's own enormous inertia, the depth limiter assembly is subjected to a strong impact force or swing. At this moment, the chain connecting the depth limiter is highly susceptible to being violently snapped due to instantaneous overload, causing the depth limiter to detach and fail. This not only damages the equipment and interrupts operations but also increases maintenance costs and creates safety hazards. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model discloses a depth-limiting wheel with shock absorption function, comprising a depth-limiting wheel clamp plate, a steering shaft, a stop iron shaft sleeve, a torsion spring shaft, and a stop ring sleeve mounted on the clamp plate. A shaft seat is fitted onto the steering shaft, and a depth-limiting wheel shaft is rotatably mounted within the shaft seat. A shaft limiting block is fixedly mounted on the shaft seat. A shaft stop iron, a stop iron collar, and a stop iron limiting angle are fixedly mounted on the stop iron shaft sleeve. The shaft limiting block and the shaft stop iron abut against each other. A chain handle is fixedly mounted on the shaft stop iron, and multiple chains are mounted on the chain handle. The chains are connected to the depth-limiting wheel support arm, which is mounted on the depth-limiting wheel shaft. Elastic components are installed between the chains. Through this technical solution, the buffer spring can buffer the movement of the depth-limiting wheel when it rotates, preventing direct deformation of the chains due to gravity, and effectively extending the service life of the chains.

[0004] Furthermore, the elastic component includes a buffer spring, with one end connected to the chain and the second end connected to the chain handle. This technical solution allows the two ends of the buffer spring to be directly connected to the chain, making installation convenient and safer.

[0005] Furthermore, the depth limiting wheel support arm is equipped with a lower adjustment seat, which is fixedly connected to the depth limiting wheel support arm by a locking plate bolt. A locking plate is fixedly installed on the lower adjustment seat, and a locking plate chain hole is provided on the locking plate, which is connected to the chain.

[0006] Furthermore, the locking plate is bent, with a locking plate chain hole at the first end and multiple locking plate adjustment holes at the second end. The locking plate bolt passes through the locking plate adjustment holes to fix the locking plate and the lower adjustment seat.

[0007] Furthermore, a short-spaced sleeve is fitted onto the locking bolt, and the locking plate adjustment hole is fitted onto the short-spaced sleeve, the thickness of which is greater than the thickness of the locking plate. Through this technical solution, the locking plate provides multiple locking plate adjustment holes for the hooked chain. Different lengths can be adjusted by connecting the locking plate adjustment holes at different positions, and the adjustment length is relatively small. When adding or removing one chain link cannot meet the length requirement, control can be achieved by adjusting different locking plate adjustment holes.

[0008] Furthermore, the depth-limiting wheel support arm is equipped with a lower adjusting seat, and connecting ears are fixedly installed on both sides of the lower adjusting seat. An adjusting chain is fixedly installed between the two connecting ears, and the ring chain is sleeved on the adjusting chain, moving along the adjusting chain. Through the above technical solution, when the depth-limiting wheel rotates, the ring chain slides on the adjusting chain to cooperate, which can reduce the number of ring chains used and reduce costs.

[0009] Furthermore, a limiting plate is fixedly installed on the depth-limiting wheel support arm, a retaining ring shaft is fixedly installed on the retaining ring sleeve, a limiting retaining ring is rotatably mounted on the retaining ring shaft, and a retaining ring is installed on the retaining ring shaft to limit the position of the limiting retaining ring. The limiting retaining ring is frustum-shaped, and the diameter of the limiting retaining ring near the retaining ring is smaller than the diameter away from the retaining ring.

[0010] Furthermore, adjusting chain one and adjusting chain two are installed between the multiple chain links. Adjusting flanges are fixedly installed on adjusting chain one and adjusting chain two, and the adjusting flanges are fixed together by adjusting bolts. With the above technical solution, when the limiting plate hits the limiting retaining ring, since the limiting retaining ring is frustum-shaped, the limiting retaining ring will move closer to the torsion spring shaft, preventing the limiting retaining ring from tilting and cutting the retaining spring.

[0011] The advantages of this utility model compared with the prior art are:

[0012] (1) Through the technical solution of this utility model, the buffer spring can play a buffering role when the depth limiting wheel flips, preventing the gravity from directly pulling the chain and causing deformation, thus effectively extending the service life of the chain.

[0013] (2) Through the technical solution of this utility model, the two ends of the buffer spring are directly connected to the chain, which is convenient to install and safer.

[0014] (3) Through the technical solution of this utility model, the lock plate provides multiple lock plate adjustment holes for the hook chain. Different lengths can be adjusted by connecting the lock plate adjustment holes at different positions, and the adjustment length is small. When adding or removing one chain cannot meet the length requirement, the length can be controlled by adjusting different lock plate adjustment holes.

[0015] (4) Through the technical solution of this utility model, when the depth limiting wheel is flipped, the ring chain slides on the adjusting chain to cooperate, which can reduce the number of ring chains used and reduce costs.

[0016] (5) Through the technical solution of this utility model, when the limiting plate hits the limiting retaining ring, since the limiting retaining ring is truncated cone-shaped, the limiting retaining ring will move closer to the torsion spring shaft to prevent the limiting retaining ring from tilting and cutting the retaining ring. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this utility model.

[0018] Figure 2 This is a schematic diagram of the internal structure of Embodiment 1 of the present utility model.

[0019] Figure 3 This is a partial structural schematic diagram of Embodiment 1 of the present utility model.

[0020] Figure 4 This is a schematic diagram of the ring chain structure of Embodiment 1 of this utility model.

[0021] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0022] Figure 6 This is a schematic diagram of the adjustment chain in Embodiment 1 of this utility model.

[0023] Figure 7 This is a schematic diagram of the overall structure of Embodiment 2 of this utility model.

[0024] Figure 8 for Figure 7 A magnified structural diagram at point B in the middle.

[0025] Part Numbers: 1-Depth Limiting Wheel Shaft; 2-Shaft Seat; 3-Steering Shaft; 4-Shaft Limiting Block; 5-Shaft Limiting Shaft; 6-Shaft Stop; 7-Stop Shaft Sleeve; 8-Stop Shaft Ring; 9-Tension Spring Shaft; 10-Small Tension Spring; 11-Long Spacer Sleeve; 12-Depth Limiting Wheel Clamp; 13-Chain Handle; 14-Stop Limiting Angle; 15-Torsion Spring Shaft; 16-Stop Ring Sleeve; 17-Limiting Stop Ring; 18-Stop Ring Shaft; 19-Torsion spring; 20-Ring chain; 21-Buffer spring; 22-Locking bolt; 23-Depth limiting wheel support arm; 24-Lower adjusting seat; 25-Locking plate; 26-Locking plate adjusting hole; 27-Short spacer sleeve; 28-Locking plate ring chain hole; 29-Adjusting seat plate; 30-Depth limiting wheel; 31-Connecting ear; 32-Adjusting chain one; 33-Adjusting bolt; 34-Adjusting flange; 35-Adjusting chain two; 36-Limiting plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1: As Figures 1-6 As shown, a depth-limiting wheel with shock absorption function includes a depth-limiting wheel clamp 12, with two clamps 12 arranged at the top and bottom. One side of the depth-limiting wheel clamp 12 is connected to the main beam of the reversing plow. Multiple long-spaced sleeves 11 are installed between the two depth-limiting wheel clamps 12. The depth-limiting wheel clamp 12 is also equipped with a steering shaft 3, a shaft limiting shaft 5, a stop shaft sleeve 7, a tension spring shaft 9, a torsion spring shaft 15, and a retaining ring sleeve 16. A shaft seat 2 is sleeved on the steering shaft 3. A depth-limiting wheel shaft 1 is rotatably mounted inside the shaft seat 2. A depth-limiting wheel support arm 23 is installed at the lower end of the depth-limiting wheel shaft 1. A depth-limiting wheel 30 is mounted on the depth-limiting wheel support arm 23. The depth-limiting wheel 30 provides support and performs the function of limiting the depth. A shaft limiting block 4 is fixedly mounted on the shaft seat 2. A shaft stop 6, a stop ring 8, and a stop limiting angle are fixedly mounted on the stop shaft sleeve 7. 14. The pivot limit block 4 and the pivot stop 6 abut against each other. A ring chain handle 13 is fixedly installed on the pivot stop 6. Multiple ring chains 20 are installed on the ring chain handle 13. The ring chains 20 are connected to the depth limiting wheel support arm 23. The depth limiting wheel support arm 23 is installed on the depth limiting wheel pivot 1. A small tension spring 10 is sleeved on the tension spring shaft 9. One end of the small tension spring 10 is sleeved on the stop ring 8. The stop ring 8 is fixedly connected to the stop pivot shaft sleeve 7 by welding. A torsion spring 19 is installed between the two depth limiting wheel clamps 12. One end of the torsion spring 19 is sleeved on the torsion spring shaft 15. The other end of the torsion spring 19 abuts against the pivot limit block 4. In the natural state, the small tension spring 10 pulls the stop pivot shaft sleeve 7 to rotate the pivot stop 6 closer to the steering shaft 3. Then the pivot limit block 4 abuts against the side of the pivot stop 6. An elastic component is installed between the ring chains 20. The elastic component can be a spring, a cylinder, or any other part that can provide shock absorption. Specifically, in this embodiment, it is a buffer spring 21. The buffer spring 21 can buffer the movement when the depth limiting wheel 30 flips, preventing the gravity from directly pulling the chain 20 and causing deformation, thus effectively extending the service life of the chain 20.

[0028] In this embodiment, the elastic component includes a buffer spring 21. The first end of the buffer spring 21 is connected to the chain 20, and the second end of the buffer spring 21 is connected to the chain handle 13. Chains 20 of other shapes can also be used for connection, with multiple chains 20 nested together to form a long chain. The buffer spring 21 can be positioned anywhere on the long chain. In this embodiment, it is located in the middle of the long chain, with the two ends of the chain 20 connected to the chain handle 13 and the depth-limiting wheel support arm 23, respectively. During the flipping process, the long chain can pull the depth-limiting wheel support arm 23 to rotate from a fixed position and begin rotating at a specific position. Through the above technical solution, the two ends of the buffer spring 21 are directly connected to the chain 20, making installation convenient and safer.

[0029] In this embodiment, a lower adjusting seat 24 is mounted on the depth-limiting wheel support arm 23. The lower adjusting seat 24 is fixedly connected to the depth-limiting wheel support arm 23 by a locking plate bolt 22. A locking plate 25 is fixedly mounted on the lower adjusting seat 24. The locking plate 25 is provided with a locking plate chain hole 28, which is connected to a chain 20. The locking plate 25 is bent, with a locking plate chain hole 28 at the first end and multiple locking plate adjusting holes 26 at the second end. The locking plate bolt 22 passes through the locking plate adjusting holes 26 to fix the locking plate 25 and the lower adjusting seat 24. A short spacer sleeve 27 is fitted on the locking plate bolt 22, and the locking plate adjusting holes 26 are fitted on the short spacer sleeve 27. The thickness of the short spacer sleeve 27 is greater than the thickness of the locking plate 25. Through the above technical solution, the locking plate 25 provides multiple locking plate adjustment holes 26 for the hook chain 20. By connecting the locking plate adjustment holes 26 at different positions, different lengths can be adjusted, and the adjustment length is small. When adding or removing one chain 20 cannot meet the length requirements, the length can be controlled by adjusting different locking plate adjustment holes 26.

[0030] A limiting plate 36 is fixedly installed on the depth limiting wheel support arm 23, and a retaining ring shaft 18 is fixedly installed on the retaining ring sleeve 16. A limiting retaining ring 17 is rotatably mounted on the retaining ring shaft 18. A retaining ring is installed on the retaining ring shaft 18 to limit the position of the limiting retaining ring 17. The limiting retaining ring 17 is frustum shaped, and the diameter of the limiting retaining ring 17 near the retaining ring is smaller than the diameter away from the retaining ring.

[0031] Multiple chain links 20 are connected by an adjusting chain 1 32 and an adjusting chain 2 35. Adjusting flanges 34 are fixedly mounted on the adjusting chain 1 32 and the adjusting chain 2 35, and are secured together by adjusting bolts 33. With this technical solution, when the limiting plate 36 impacts the limiting retaining ring 17, because the limiting retaining ring 17 is frustum-shaped, it will move closer to the torsion spring shaft 15, preventing the limiting retaining ring 17 from tilting and cutting off the retaining ring.

[0032] Working principle: First, the chain 20 is hooked onto the chain handle 13 and also onto the locking plate 25. Buffer springs 21 are installed between different chains 20. One chain 20 is replaced with a combination of adjusting chain one 32 and adjusting chain two 35. Adjusting chain one 32 and adjusting chain two 35 are connected to different chains 20 respectively. Then, the two adjusting flanges 34 are connected together using adjusting bolts 33. Then, the bolts are gradually tightened to bring adjusting chain one 32 and adjusting chain two 35 closer together, tightening the long chain and lifting the depth limiting wheel support arm 23 and the depth limiting wheel 30, so that the buffer spring 21 is in a stretched state.

[0033] Then it begins to flip, and the entire depth limiting wheel flips along with it. The gravity depth limiting wheel support arm 23 pulls the chain handle 13 and the shaft stop 6, and then leaves the shaft limit block 4. The shaft seat 2 begins to rotate, and the depth limiting wheel support arm 23 avoids the limit stop ring 17 and begins to flip. Then it falls rapidly under the action of gravity. At this time, it will pull the buffer spring 21 to continue to buffer and protect the long chain, and also prevent the chain 20 from pulling the depth limiting wheel clamp 12, and also avoid the deformation of the depth limiting wheel clamp 12.

[0034] Example 2: Figure 7 , Figure 8 As shown, unlike Embodiment 1, the connection method between the long chain and the depth-limiting wheel support arm 23 is different. The depth-limiting wheel support arm 23 is equipped with a lower adjusting seat 24, and connecting ears 31 are fixedly mounted on both sides of the lower adjusting seat 24. An adjusting chain 32 is fixedly mounted between the two connecting ears 31, and the chain 20 is sleeved on the adjusting chain 32, moving along it. When the depth-limiting wheel rotates, the chain 20 slides on the adjusting chain 32 to engage, reducing the number of chains 20 used and lowering costs.

Claims

1. A depth-limiting wheel with shock absorption function, comprising a depth-limiting wheel clamp (12), wherein a steering shaft (3), a stop iron rotating shaft sleeve (7), a torsion spring shaft (15), and a retaining ring sleeve (16) are mounted on the depth-limiting wheel clamp (12), a rotating shaft seat (2) is sleeved on the steering shaft (3), a depth-limiting wheel rotating shaft (1) is rotatably mounted inside the rotating shaft seat (2), a rotating shaft limiting block (4) is fixedly mounted on the rotating shaft seat (2), a rotating shaft stop iron (6), a stop iron collar (8), and a stop iron limiting angle (14) are fixedly mounted on the stop iron rotating shaft sleeve (7), the rotating shaft limiting block (4) and the rotating shaft stop iron (6) abut against each other, a ring chain handle (13) is fixedly mounted on the rotating shaft stop iron (6), a plurality of ring chains (20) are mounted on the ring chain handle (13), the ring chains (20) are connected to the depth-limiting wheel support arm (23), and the depth-limiting wheel support arm (23) is mounted on the depth-limiting wheel rotating shaft (1), characterized in that, Elastic components are installed between the ring chains (20).

2. A depth-limiting wheel with shock absorption function according to claim 1, characterized in that, The elastic component includes a buffer spring (21), the first end of which is connected to the chain (20), and the second end of which is connected to the chain handle (13).

3. A depth-limiting wheel with shock absorption function according to claim 2, characterized in that, The depth limiting wheel support arm (23) is equipped with a lower adjustment seat (24), which is fixedly connected to the depth limiting wheel support arm (23) by a locking plate bolt (22). A locking plate (25) is fixedly installed on the lower adjustment seat (24), and a locking plate chain hole (28) is provided on the locking plate (25). The locking plate chain hole (28) is connected to the chain (20).

4. A depth-limiting wheel with shock absorption function according to claim 3, characterized in that, The locking plate (25) is bent, with a locking plate chain hole (28) at the first end and multiple locking plate adjustment holes (26) at the second end. The locking plate bolt (22) passes through the locking plate adjustment holes (26) to fix the locking plate (25) and the lower adjustment seat (24).

5. A depth-limiting wheel with shock absorption function according to claim 4, characterized in that, A short-slotted sleeve (27) is fitted onto the locking bolt (22), and the locking adjustment hole (26) is fitted onto the short-slotted sleeve (27). The thickness of the short-slotted sleeve (27) is greater than the thickness of the locking piece (25).

6. A depth-limiting wheel with shock absorption function according to claim 2, characterized in that, The depth-limiting wheel support arm (23) is equipped with a lower adjustment seat (24), and connecting ears (31) are fixedly installed on both sides of the lower adjustment seat (24). An adjustment chain (32) is fixedly installed between the two connecting ears (31). The ring chain (20) is sleeved on the adjustment chain (32), and the ring chain (20) moves on the adjustment chain (32).

7. A depth-limiting wheel with shock absorption function according to claim 1, characterized in that, A limiting plate (36) is fixedly installed on the depth limiting wheel support arm (23), and a retaining ring shaft (18) is fixedly installed on the retaining ring sleeve (16). A limiting retaining ring (17) is rotatably mounted on the retaining ring shaft (18). A retaining ring is installed on the retaining ring shaft (18) to limit the position of the limiting retaining ring (17). The limiting retaining ring (17) is frustum shaped, and the diameter of the limiting retaining ring (17) near the retaining ring is smaller than the diameter away from the retaining ring.

8. A depth-limiting wheel with shock absorption function according to claim 2, characterized in that, Adjusting chain one (32) and adjusting chain two (35) are installed between the multiple ring chains (20). Adjusting flanges (34) are fixedly installed on adjusting chain one (32) and adjusting chain two (35), and the adjusting flanges (34) are fixed together by adjusting bolts (33).

Images