Height adjusting device for paddy wheel of rice transplanter

Abstract

The utility model discloses a rice transplanter paddy wheel height adjusting device and relates to the technical field of rice transplanters. The paddy wheel comprises a box body, the top of the box body is fixedly connected with a shell, and paddy wheel bodies are arranged on the two sides of the box body; a motor is fixedly connected to the top of the box and located in an inner cavity of the shell, a first gear is fixedly connected to the output end of the motor, a threaded pipe is movably connected between the box and the shell through a bearing, a threaded rod is in threaded connection with the inner wall of the threaded pipe, and the surface of the threaded pipe is sleeved with a second gear. A user starts a motor, the motor works to drive a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a threaded pipe to rotate, the threaded pipe drives a threaded rod to move downwards, the threaded rod drives a moving plate to move downwards, and the moving plate moves to drive a vertical plate to move downwards. The paddy wheel body is driven to move downwards through transmission of the vertical plate, and the use height of the paddy wheel body is adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of rice transplanters, and particularly relates to a height adjusting device for a paddy field wheel of a rice transplanter. Background Technique

[0002] The rice transplanter has had a profound impact on the social and economic levels. The popularization of the rice transplanter has improved the scale and industrialization level of rice planting, promoted the optimal allocation of agricultural production factors, and played an important role in ensuring the stable growth of farmers' income, promoting the prosperity of rural economy, and ensuring the national food supply by improving production efficiency and reducing production costs. The paddy field wheel of the rice transplanter is an important part of it.

[0003] There are still some defects in the paddy field wheels of the existing rice transplanters during use. For example, although they can assist the rice transplanter to move in the paddy field, they do not have a self-locking height adjustment mechanism and cannot adjust the use height of the paddy field wheels of the rice transplanter according to the use requirements, thus reducing the applicability of the paddy field wheels of the rice transplanter and not meeting the needs of the current market. Therefore, we provide a height adjusting device for the paddy field wheels of a rice transplanter to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a height adjusting device for a paddy field wheel of a rice transplanter, which solves the problem that the paddy field wheel of the existing rice transplanter does not have a self-locking height adjustment mechanism through the cooperation of the paddy field wheel main body, the motor, the first gear, the threaded pipe, the threaded rod, the second gear, the electric telescopic rod and the brake plate.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions.

[0006] The utility model is a height adjusting device for a paddy field wheel of a rice transplanter, which includes a box body. A shell is fixedly connected to the top of the box body. Paddy field wheel main bodies are arranged on both sides of the box body. A motor is fixedly connected to the top of the box body and inside the cavity of the shell. The output end of the motor is fixedly connected with a first gear. A threaded pipe is movably connected between the box body and the shell through a bearing. A threaded rod is threadedly connected to the inner wall of the threaded pipe. A second gear is sleeved on the surface of the threaded pipe. The first gear meshes with the second gear. A moving plate is arranged inside the box body. The moving plate is fixedly connected with the threaded rod. Vertical plates are fixedly connected to both sides of the bottom of the moving plate. A connecting rod is movably connected to the surface of the vertical plate through a bearing. The opposite end of the connecting rod is fixedly connected with the paddy field wheel main body. The relative ends of the connecting rods are fixedly connected with a coupling.

[0007] The utility model is further arranged such that uniformly distributed limiting holes are formed on the surface of the moving plate, and a limiting rod is arranged inside the limiting holes. Both ends of the limiting rod are fixedly connected with the inner wall of the box body.

[0008] The utility model is further configured such that a support plate is fixedly connected between the inner wall of the housing and the box body. An electric telescopic rod is disposed through the surface of the support plate, and a brake plate is fixedly connected to the output end of the electric telescopic rod.

[0009] The utility model is further configured such that first support plates are fixedly connected to both sides of the top of the box body, second support plates are fixedly connected to both sides of the top of the housing, and a mounting plate is fixedly connected to the tops of the first support plates and the second support plates.

[0010] The utility model is further configured such that bolts are disposed through both sides of the bottom of the mounting plate, and nuts are threadedly connected to the threaded ends of the bolts.

[0011] The utility model is further configured such that a groove is formed in the top of the mounting plate, an anti-slip pad is fixedly connected to the inner wall of the groove, and anti-slip lines are provided on the surface of the anti-slip pad.

[0012] The utility model is further configured such that a maintenance plate is provided on the front of the box body, fixing screws are disposed through the surface of the maintenance plate, and the maintenance plate is fixedly connected to the box body through the fixing screws.

[0013] The utility model is further configured such that a receiving groove is formed in one side of the top of the front of the housing, and a nameplate is fixedly connected to the inner wall of the receiving groove.

[0014] The utility model has the following beneficial effects.

[0015] 1. In the utility model, by the user starting the motor, the motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the threaded tube to rotate, the threaded tube drives the threaded rod to move downward, the threaded rod drives the moving plate to move downward, and the moving plate drives the vertical plate to move downward. The main body of the paddy field wheel is driven to move downward through the transmission of the vertical plate, so as to realize the adjustment of the use height of the main body of the paddy field wheel.

[0016] 2. Before the height adjustment of the utility model, by the user starting the electric telescopic rod, the electric telescopic rod drives the brake plate to move to the right during operation, and the brake plate is separated from the threaded tube, so as to realize the release of the limitation on the threaded tube. After the height adjustment, the electric telescopic rod drives the brake plate to reset during operation, and the threaded tube is re-locked by the brake plate to prevent the threaded tube from rotating by itself. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below.

[0018] Figure 1 It is a three-dimensional view of a height adjustment device for a paddy field wheel of a transplanter.

[0019] Figure 2 It is a three-dimensional view of the mounting plate and its related structure in the height adjustment device of the paddy field wheel of a transplanter.

[0020] Figure 3 It is a sectional three-dimensional view of the housing in the height adjustment device of the paddy field wheel of a transplanter.

[0021] Figure 4 It is a three-dimensional view of the paddy field wheel and its related structure in the height adjustment device of the paddy field wheel of a transplanter.

[0022] Figure 5 It is a sectional three-dimensional view of the box body in the height adjustment device of the paddy field wheel of a transplanter.

[0023] In the attached drawings: 1. Box body; 2. Housing; 3. Main body of the paddy field wheel; 4. Motor; 5. First gear; 6. Threaded pipe; 7. Threaded rod; 8. Second gear; 9. Moving plate; 10. Vertical plate; 11. Connecting rod; 12. Coupling; 13. Limiting hole; 14. Limiting rod; 15. Support plate; 16. Electric telescopic rod; 17. Brake plate; 18. First support plate; 19. Second support plate; 20. Mounting plate; 21. Bolt; 22. Nut; 23. Groove; 24. Anti-slip pad; 25. Maintenance plate; 26. Fixing screw; 27. Receiving groove; 28. Nameplate. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present invention will be described with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0025] Embodiment 1, please refer to Figures 1-5 , the present invention is a height adjustment device for the paddy field wheel of a transplanter, including a box body 1. A housing 2 is fixedly connected to the top of the box body 1. Main bodies 3 of the paddy field wheels are arranged on both sides of the box body 1. A motor 4 is fixedly connected to the top of the box body 1 and located inside the housing 2. A first gear 5 is fixedly connected to the output end of the motor 4. A threaded pipe 6 is movably connected between the box body 1 and the housing 2 through a bearing. A threaded rod 7 is threadedly connected to the inner wall of the threaded pipe 6. A second gear 8 is sleeved on the surface of the threaded pipe 6. The first gear 5 meshes with the second gear 8. A moving plate 9 is arranged inside the box body 1. The moving plate 9 is fixedly connected to the threaded rod 7. Vertical plates 10 are fixedly connected to both sides of the bottom of the moving plate 9. Connecting rods 11 are movably connected to the surfaces of the vertical plates 10 through bearings. The opposite ends of the connecting rods 11 are fixedly connected to the main bodies 3 of the paddy field wheels. The opposite ends of the connecting rods 11 are fixedly connected to a coupling 12.

[0026] Specifically: The box body 1 and the housing 2 are used to accommodate and protect the components in their inner cavities. The main body 3 of the paddy field wheel is used for the walking of the transplanter. The motor 4 is used to provide driving force. The first gear 5 and the second gear 8 cooperate to change the transmission ratio. The threaded rod 7 and the threaded tube 6 cooperate to drive the moving plate 9 to move up and down. The moving plate 9 is used for connection and fixation. The vertical rod and the connecting rod 11 cooperate to drive the main body 3 of the paddy field wheel to move up and down, so as to realize the adjustment of the use height of the main body 3 of the paddy field wheel. The connecting rod 11 and the coupling 12 cooperate to connect the driving mechanism of the transplanter, so as to drive the main body 3 of the paddy field wheel to rotate.

[0027] Embodiment 2. Please refer to Figures 1-5 , on the basis of Embodiment 1, the surface of the moving plate 9 is provided with uniformly distributed limiting holes 13. A limiting rod 14 is arranged in the inner cavity of the limiting hole 13. Both ends of the limiting rod 14 are fixedly connected to the inner wall of the box body 1. A support plate 15 is fixedly connected between the inner wall of the housing 2 and the box body 1. An electric telescopic rod 16 is arranged through the surface of the support plate 15. The output end of the electric telescopic rod 16 is fixedly connected with a braking plate 17. Both sides of the top of the box body 1 are fixedly connected with first support plates 18. Both sides of the top of the housing 2 are fixedly connected with second support plates 19. The top of the first support plate 18 and the second support plate 19 are fixedly connected with a mounting plate 20. Both sides of the bottom of the mounting plate 20 are provided with bolts 21 passing through. The threaded end of the bolt 21 is threadedly connected with a nut 22. A groove 23 is opened on the top of the mounting plate 20. The inner wall of the groove 23 is fixedly connected with an anti-slip pad 24. The surface of the anti-slip pad 24 is provided with anti-slip lines. A maintenance plate 25 is arranged on the front of the box body 1. Fixing screws 26 are arranged through the surface of the maintenance plate 25. The maintenance plate 25 and the box body 1 are fixedly connected through the fixing screws 26. A receiving groove 27 is opened on one side of the top of the front of the housing 2. A nameplate 28 is fixedly connected to the inner wall of the receiving groove 27.

[0028] Specifically: when the moving plate 9 moves up and down, the limit hole 13 can cooperate with the limit rod 14 to limit the moving plate 9, which can not only prevent the threaded rod 7 from rotating with the threaded tube 6, but also improve the stability of the moving plate 9 when it moves up and down. The support plate 15 is used to support and fix the electric telescopic rod 16. When the electric telescopic rod 16 is started, the electric telescopic rod 16 works to drive the brake plate 17 to move until the brake plate 17 is in close contact with the threaded tube 6, preventing the threaded tube 6 from rotating by itself after height adjustment. The bottom of the first support plate 18 is fixedly connected to the top of the box body 1 by welding, and the top of the first support plate 18 is fixedly connected to the bottom of the mounting plate 20 by welding. The bottom of the second support plate 19 is fixedly connected to the top of the housing 2 by welding, and the top of the second support plate 19 is fixedly connected to the bottom of the mounting plate 20 by welding. The welding connection method can improve the firmness of the workpiece connection. The first support plate 18 and the second support plate 19 cooperate to fix the mounting plate 20. The mounting plate 20, together with the bolt 21 and the nut 22, can install the height adjustment device of the rice transplanter paddy field wheel on the mounting surface of the rice transplanter. The groove 23 is used to accommodate and fix the anti-slip pad 24. The anti-slip pad 24 can increase the friction force, thereby improving the stability of the height adjustment device of the rice transplanter paddy field wheel after installation. The user can remove the inspection plate 25 by removing the screws with tools, and then the user can inspect the components in the inner cavity of the box body 1 through the housing 2. The receiving groove 27 is used to fix the nameplate 28. The surface of the nameplate 28 is marked with information related to the height adjustment device of the rice transplanter paddy field wheel, which is convenient for the user to understand and use the height adjustment device of the rice transplanter paddy field wheel.

[0029] The working principle of the present utility model is as follows: The mounting plate 20, together with the bolt 21 and the nut 22, can install the height adjustment device of the rice transplanter paddy field wheel on the mounting surface of the rice transplanter. Before height adjustment, by starting the electric telescopic rod 16 by the user, the electric telescopic rod 16 works to drive the brake plate 17 to move to the right, and the brake plate 17 is separated from the threaded tube 6, realizing the release of the limitation on the threaded tube 6. By starting the motor 4 by the user, the motor 4 works to drive the first gear 5 to rotate, the first gear 5 drives the second gear 8 to rotate, the second gear 8 drives the threaded tube 6 to rotate, the threaded tube 6 drives the threaded rod 7 to move downward, and the threaded rod 7 drives the moving plate 9 to move downward. When the moving plate 9 moves up and down, the limit hole 13 can cooperate with the limit rod 14 to limit the moving plate 9, which can not only prevent the threaded rod 7 from rotating with the threaded tube 6, but also improve the stability of the moving plate 9 when it moves up and down. The moving plate 9 moves to drive the vertical plate 10 to move downward, and the vertical plate 10 drives the paddy field wheel main body 3 to move downward through transmission, realizing the adjustment of the use height of the paddy field wheel main body 3. After height adjustment, the electric telescopic rod 16 works to drive the brake plate 17 to reset, and the brake plate 17 re-locks the threaded tube 6 to prevent the threaded tube 6 from rotating by itself.

[0030] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. The present specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the art can well understand and utilize the present utility model.

Claims

1. A height adjustment device for a paddy field wheel of a transplanter, comprising a box body (1), characterized in that: A housing (1) is fixedly connected to the top of a shell (2), and main paddy field wheels (3) are arranged on both sides of the housing (1); a motor (4) is fixedly connected to the top of the housing (1) and inside the cavity of the shell (2). A first gear (5) is fixedly connected to the output end of the motor (4). A threaded pipe (6) is movably connected between the housing (1) and the shell (2) through a bearing. A threaded rod (7) is threadedly connected to the inner wall of the threaded pipe (6). A second gear (8) is sleeved on the surface of the threaded pipe (6). The first gear (5) meshes with the second gear (8); a moving plate (9) is arranged inside the housing (1). The moving plate (9) is fixedly connected to the threaded rod (7). Vertical plates (10) are fixedly connected to both sides of the bottom of the moving plate (9). A connecting rod (11) is movably connected to the surface of the vertical plate (10) through a bearing. The back end of the connecting rod (11) is fixedly connected to the main paddy field wheel (3). A coupling (12) is fixedly connected to the opposite end of the connecting rod (11).

2. The height adjustment device for the paddy field wheel of a transplanter according to claim 1, characterized in that: Limiting holes (13) are evenly distributed on the surface of the moving plate (9). A limiting rod (14) is arranged inside the limiting hole (13). Both ends of the limiting rod (14) are fixedly connected to the inner wall of the housing (1).

3. The height adjustment device for the paddy field wheel of a transplanter according to claim 1, characterized in that: A support plate (15) is fixedly connected between the inner wall of the shell (2) and the housing (1). An electric telescopic rod (16) is arranged through the surface of the support plate (15). A brake plate (17) is fixedly connected to the output end of the electric telescopic rod (16).

4. The height adjustment device for the paddy field wheel of a transplanter according to claim 1, characterized in that: First support plates (18) are fixedly connected to both sides of the top of the housing (1). Second support plates (19) are fixedly connected to both sides of the top of the shell (2). A mounting plate (20) is fixedly connected to the tops of the first support plate (18) and the second support plate (19).

5. The height adjustment device for the paddy field wheel of a transplanter according to claim 4, characterized in that: Bolts (21) are arranged through both sides of the bottom of the mounting plate (20). The threaded ends of the bolts (21) are threadedly connected to nuts (22).

6. The height adjustment device for the paddy field wheel of a transplanter according to claim 4, characterized in that: A groove (23) is formed on the top of the mounting plate (20). An anti-slip pad (24) is fixedly connected to the inner wall of the groove (23). Anti-slip lines are arranged on the surface of the anti-slip pad (24).

7. The height adjustment device for the paddy field wheel of a transplanter according to claim 1, characterized in that: An inspection plate (25) is arranged on the front of the housing (1). Fixing screws (26) are arranged through the surface of the inspection plate (25). The inspection plate (25) is fixedly connected to the housing (1) through the fixing screws (26).

8. The height adjustment device for the paddy field wheel of a rice transplanter according to claim 1, characterized in that: A receiving groove (27) is formed on one side of the top of the front of the shell (2). A nameplate (28) is fixedly connected to the inner wall of the receiving groove (27).

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