Mobile damping chassis of agricultural robot
By designing adjustment mechanisms and shock absorbing mechanisms in agricultural robots, the problem of insufficient chassis height adjustment and shock absorbing performance is solved, and highly flexible adjustment and bump cushioning are achieved, which improves the adaptability and stability of the robot.
Patent Information
- Application Number
- CN202421278087.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The height of the shock absorption chassis of existing agricultural robots is inconvenient to adjust, resulting in poor adaptability and inability to effectively deal with vibration and bumps in complex agricultural environments.
A moving shock absorbing chassis of an agricultural robot is designed, using a combination of adjustment mechanism, adjustment rod, limit plate, screw, bearing and knob. The screw is driven to rotate through the knob, the adjustment rod moves up and down, and the limit plate slides to achieve the height of the chassis. Flexible adjustment; at the same time, a shock absorbing mechanism is adopted, and the moving wheel drives the buffer plate and oblique rod to move, the compression spring generates elastic force, and cushion the bumping force; the positioning mechanism fixes the robot through an electric telescopic rod and a clamp to ensure stable movement.
It improves the efficiency and adaptability of the chassis, enhances shock absorption performance and stability, and ensures the stable operation of the robot in complex environments.
Smart Images
Figure CN222310779U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural robots, in particular to a mobile shock-absorbing chassis of an agricultural robot. Background Art
[0002] An agricultural robot is a machine that is used in agricultural production. It is a new generation of unmanned automatic machinery that can be controlled by different software programs to adapt to various operations, can sense and adapt to changes in crop types or the environment, and has artificial intelligence such as detection (such as vision) and calculation. It plays an increasingly important role in modern agriculture.
[0003] Patent publication number CN216659496U discloses a shock-absorbing chassis of an agricultural robot, including a supporting base plate, a connecting part 1, a damper 1, a connecting part 2, a damper 2, a damper 3, a damper 4, a shock-absorbing spring 1, a shock-absorbing spring 2, a shock-absorbing spring 3, a shock-absorbing spring 4, a guide groove, a screw, a positive thread, a negative thread, a through hole, a rotating shaft, a driving wheel, a driven wheel, a transmission belt, a moving block, a fixed plate, a hexagon socket and a moving wheel, wherein the shock-absorbing spring 1 is arranged on the damper 1, the shock-absorbing spring 2 is arranged on the damper 2, and the shock-absorbing spring 3 is arranged on the damper 3.
[0004] In order to solve the problem that agricultural production activities take place in a complex environment, where uneven land, stones and foreign objects may cause vibration of agricultural robots, the existing technology uses a damper in combination with a shock-absorbing spring to reduce shock. However, the height of the shock-absorbing chassis is inconvenient to adjust, which leads to poor adaptability of the device. Utility Model Content
[0005] The purpose of the utility model is to provide a mobile shock-absorbing chassis of an agricultural robot to solve the problems raised in the above-mentioned background technology.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] A mobile shock-absorbing chassis of an agricultural robot comprises a chassis body. The chassis body comprises a base and a positioning mechanism. The base is arranged below the positioning mechanism.
[0008] An adjusting mechanism is arranged in the middle of the inner cavity of the base, and shock absorbing mechanisms are arranged at the four corners of the inner cavity of the base.
[0009] The adjustment mechanism includes an adjustment seat fixedly connected to the inner cavity of the base, an adjustment rod is movably sleeved on the top of the inner cavity of the adjustment seat, a screw is threadedly sleeved on the inner cavity of the adjustment rod, and the bottom end of the screw extends to the bottom of the adjustment seat and is fixedly connected to a knob.
[0010] A further improvement of the technical solution of the utility model is that both sides of the bottom end of the adjusting rod are fixedly connected to limit plates, the side surfaces of the limit plates are slidably connected to guide rails, and the guide rails are fixedly connected to the inner cavity of the adjusting seat.
[0011] A further improvement of the technical solution of the utility model is that: a bearing is sleeved outside the screw rod, and the bearing is fixedly connected to the bottom surface of the inner cavity of the adjustment seat.
[0012] A further improvement of the technical solution of the utility model is that the shock absorbing mechanism includes a shock absorbing seat fixedly connected to the inner cavity of the base, the inner cavity of the shock absorbing seat is movably sleeved with a buffer plate, the bottom end of the buffer plate extends to the bottom of the base and is provided with a movable wheel.
[0013] A further improvement of the technical solution of the utility model is that: the top end of the buffer plate is fixedly connected with an inclined rod, one end of the inclined rod is fixedly connected with a pressure block, the inner cavity of the pressure block is movably sleeved with a straight rod, one end of the straight rod is fixedly connected to the top surface of the inner cavity of the shock absorbing seat, a compression spring is arranged between the top surface of the pressure block and the top surface of the inner cavity of the shock absorbing seat, and the compression spring is sleeved on the outside of the straight rod.
[0014] A further improvement of the technical solution of the utility model is that the positioning mechanism includes a top plate fixedly connected to the top of the adjusting rod, the four corners of the bottom surface of the top plate are fixedly connected to lifting rods, the outside of the lifting rod is movably sleeved with a sleeve, and the bottom end of the sleeve is fixedly connected to the top surface of the base.
[0015] A further improvement of the technical solution of the utility model is that: a fixing plate is fixedly connected to the side of the top plate, the number of the fixing plates is two, a guide rod is fixedly connected between the two fixing plates, slides are movably sleeved on both ends of the guide rod, a clamping plate is fixedly connected to the side of the slide, the number of the slides is two, and an electric telescopic rod is fixedly connected between the two slides.
[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0017] The utility model provides a mobile shock-absorbing chassis of an agricultural robot, which adopts the cooperation of an adjusting mechanism, an adjusting seat, an adjusting rod, a limiting plate, a guide rail, a screw, a bearing and a knob. The screw is driven to rotate by turning the knob, and the screw drives the adjusting rod to move up and down. When the adjusting rod moves up and down, the limiting plate slides on the surface of the guide rail to ensure that the adjusting rod moves smoothly. The adjusting rod drives the positioning mechanism to move up and down, thereby adjusting the use height of the robot, avoiding the situation that the use height of the shock-absorbing chassis is inconvenient to adjust, improving the use efficiency of the device, and improving the adaptability.
[0018] The utility model provides a mobile shock-absorbing chassis of an agricultural robot. The shock-absorbing mechanism, a shock-absorbing seat, a buffer plate, a moving wheel, an inclined rod, a pressure block, a compression spring and a straight rod are matched and moved by a moving wheel pair device. When encountering a bumpy force, the moving wheel drives the buffer plate to move, the buffer plate drives the inclined rod to move, the inclined rod drives the pressure block to move on the surface of the straight rod, the pressure block squeezes the compression spring to generate elastic force, and the elastic force of the compression spring is used to buffer the bumpy force, thereby improving the shock-absorbing performance of the chassis and ensuring stable operation of the robot.
[0019] The utility model provides a mobile shock-absorbing chassis for an agricultural robot, which adopts the cooperation of a positioning mechanism, a top plate, a lifting rod, a sleeve, a fixed plate, a guide rod, a slide plate, an electric telescopic rod and a clamping plate. The robot is placed on the top plate, and the electric telescopic rod contracts to drive the slide plate to move on the guide rod, and the slide plate drives the clamping plate to move. The robot is clamped and fixed by two movable clamping plates, which facilitates the stable movement of the robot. The lifting rod is telescopically moved in the sleeve, which facilitates the stable lifting and lowering of the top plate, thereby improving the stability in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the utility model;
[0021] Figure 2 It is a cross-sectional structural schematic diagram of the base of the utility model;
[0022] Figure 3 It is a structural schematic diagram of the adjustment mechanism of the utility model;
[0023] Figure 4 It is a structural schematic diagram of the shock absorbing mechanism of the utility model;
[0024] Figure 5 It is a structural schematic diagram of the positioning mechanism of the utility model.
[0025] In the figure: 1. chassis body; 2. base; 21. shock absorbing mechanism; 211. shock absorbing seat; 212. buffer plate; 213. moving wheel; 214. inclined rod; 215. pressure block; 216. compression spring; 217. straight rod; 22. adjustment mechanism; 221. adjustment seat; 222. adjustment rod; 223. limit plate; 224. guide rail; 225. screw; 226. bearing; 227. knob; 3. positioning mechanism; 31. top plate; 32. lifting rod; 33. sleeve; 34. fixing plate; 35. guide rod; 36. slide plate; 37. electric telescopic rod; 38. splint. DETAILED DESCRIPTION
[0026] The present invention is further described in detail below in conjunction with the embodiments: Example
[0027] like Figure 1-5As shown, the utility model provides a mobile shock-absorbing chassis of an agricultural robot, including a chassis body 1, the chassis body 1 includes a base 2 and a positioning mechanism 3, the base 2 is arranged below the positioning mechanism 3, an adjustment mechanism 22 is arranged in the middle of the inner cavity of the base 2, and shock-absorbing mechanisms 21 are arranged at the four corners of the inner cavity of the base 2, the adjustment mechanism 22 includes an adjustment seat 221 fixedly connected to the inner cavity of the base 2, an adjustment rod 222 is movably sleeved on the top of the inner cavity of the adjustment seat 221, a screw 225 is threadedly sleeved on the inner cavity of the adjustment rod 222, the bottom end of the screw 225 extends to the bottom of the adjustment seat 221 and is fixedly connected with a knob 227, both sides of the bottom end of the adjustment rod 222 are fixedly connected with a limit plate 223, the side of the limit plate 223 is slidably connected with a guide rail 224, the guide rail 224 is fixedly connected to the inner cavity of the adjustment seat 221, and a bearing 226 is sleeved on the outside of the screw 225, and the bearing 226 is fixedly connected to the bottom surface of the inner cavity of the adjustment seat 221.
[0028] In this embodiment, the screw rod 225 is driven to rotate by rotating the knob 227, and the screw rod 225 drives the adjusting rod 222 to move up and down. When the adjusting rod 222 moves up and down, the limit plate 223 slides on the surface of the guide rail 224 to ensure that the adjusting rod 222 moves smoothly. The adjusting rod 222 drives the positioning mechanism 3 to move up and down, thereby adjusting the operating height of the robot. Example
[0029] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the shock absorbing mechanism 21 includes a shock absorbing seat 211 fixedly connected to the inner cavity of the base 2, the inner cavity of the shock absorbing seat 211 is movably sleeved with a buffer plate 212, the bottom end of the buffer plate 212 extends to the bottom of the base 2 and is provided with a moving wheel 213, the top of the buffer plate 212 is fixedly connected with an inclined rod 214, one end of the inclined rod 214 is fixedly connected with a pressure block 215, the inner cavity of the pressure block 215 is movably sleeved with a straight rod 217, one end of the straight rod 217 is fixedly connected to the top surface of the inner cavity of the shock absorbing seat 211, a compression spring 216 is provided between the top surface of the pressure block 215 and the top surface of the inner cavity of the shock absorbing seat 211, and the compression spring 216 is sleeved on the outside of the straight rod 217.
[0030] In this embodiment, the device is moved by the moving wheel 213. When encountering a bumpy force, the moving wheel 213 drives the buffer plate 212 to move, the buffer plate 212 drives the inclined rod 214 to move, the inclined rod 214 drives the pressure block 215 to move on the surface of the straight rod 217, and the pressure block 215 squeezes the compression spring 216 to generate an elastic force. The elastic force of the compression spring 216 is used to buffer the bumpy force, thereby improving the shock absorption performance of the chassis. Example
[0031] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the positioning mechanism 3 includes a top plate 31 fixedly connected to the top end of the adjusting rod 222, the four corners of the bottom surface of the top plate 31 are fixedly connected with a lifting rod 32, the outer part of the lifting rod 32 is movably sleeved with a sleeve 33, the bottom end of the sleeve 33 is fixedly connected to the top surface of the base 2, the side of the top plate 31 is fixedly connected with a fixing plate 34, the number of the fixing plates 34 is two, a guide rod 35 is fixedly connected between the two fixing plates 34, the two ends of the guide rod 35 are movably sleeved with a slide plate 36, the side of the slide plate 36 is fixedly connected with a clamping plate 38, the number of the slide plates 36 is two, and an electric telescopic rod 37 is fixedly connected between the two slide plates 36.
[0032] In this embodiment, the robot is placed on the top plate 31, the electric telescopic rod 37 contracts to drive the slide plate 36 to move on the guide rod, and the slide plate 36 drives the clamp plate 38 to move. The robot is clamped and fixed by two movable clamp plates 38, which facilitates the stable movement of the robot. The lifting rod 32 telescopes and moves in the sleeve 33, which facilitates the stable lifting and lowering of the top plate 31.
[0033] The following is a detailed description of the working principle of the agricultural robot's mobile shock-absorbing chassis.
[0034] like Figure 1-5 As shown, when in use, the robot is placed on the top plate 31, and the electric telescopic rod 37 is contracted to drive the slide plate 36 to move on the guide rod, and the slide plate 36 drives the clamping plate 38 to move. The robot is clamped and fixed by the two movable clamping plates 38, and the device is moved by the moving wheel 213. When encountering a bumpy force, the moving wheel 213 drives the buffer plate 212 to move, and the buffer plate 212 drives the inclined rod 214 to move, and the inclined rod 214 drives the pressure block 215 to move on the surface of the straight rod 217. The pressure block 215 squeezes the compression spring 216 to generate an elastic force, and the elastic force of the compression spring 216 is used to buffer the bumpy force. When the height needs to be adjusted, the knob 227 is turned to drive the screw rod 225 to rotate, and the screw rod 225 drives the adjusting rod 222 to move up and down. When the adjusting rod 222 moves up and down, the limit plate 223 slides on the surface of the guide rail 224 to ensure that the adjusting rod 222 moves smoothly, and the adjusting rod 222 drives the positioning mechanism 3 to move up and down, thereby adjusting the use height of the robot.
[0035] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A mobile shock-absorbing chassis for an agricultural robot, comprising a chassis body (1), characterized in that: The chassis body (1) comprises a base (2) and a positioning mechanism (3), wherein the base (2) is arranged below the positioning mechanism (3); An adjustment mechanism (22) is provided in the middle of the inner cavity of the base (2), and shock absorbing mechanisms (21) are provided at the four corners of the inner cavity of the base (2); The adjustment mechanism (22) comprises an adjustment seat (221) fixedly connected to the inner cavity of the base (2); an adjustment rod (222) is movably sleeved on the top of the inner cavity of the adjustment seat (221); a screw rod (225) is threadedly sleeved on the inner cavity of the adjustment rod (222); and the bottom end of the screw rod (225) extends to the bottom of the adjustment seat (221) and is fixedly connected to a knob (227).
2. The mobile shock-absorbing chassis of an agricultural robot according to claim 1, characterized in that: Both sides of the bottom end of the adjustment rod (222) are fixedly connected to a limit plate (223), and the side of the limit plate (223) is slidably connected to a guide rail (224), and the guide rail (224) is fixedly connected to the inner cavity of the adjustment seat (221).
3. The mobile shock-absorbing chassis of an agricultural robot according to claim 1, characterized in that: The outer sleeve of the screw rod (225) is provided with a bearing (226), and the bearing (226) is fixedly connected to the bottom surface of the inner cavity of the adjustment seat (221).
4. The mobile shock-absorbing chassis of an agricultural robot according to claim 1, characterized in that: The shock absorbing mechanism (21) comprises a shock absorbing seat (211) fixedly connected to the inner cavity of the base (2); the inner cavity of the shock absorbing seat (211) is movably sleeved with a buffer plate (212); the bottom end of the buffer plate (212) extends to the bottom of the base (2) and is provided with a moving wheel (213).
5. The mobile shock-absorbing chassis of an agricultural robot according to claim 4, characterized in that: The top end of the buffer plate (212) is fixedly connected to an inclined rod (214), one end of the inclined rod (214) is fixedly connected to a pressure block (215), the inner cavity of the pressure block (215) is movably sleeved with a straight rod (217), one end of the straight rod (217) is fixedly connected to the inner cavity top surface of the shock absorbing seat (211), a compression spring (216) is arranged between the top surface of the pressure block (215) and the inner cavity top surface of the shock absorbing seat (211), and the compression spring (216) is sleeved on the outside of the straight rod (217).
6. The mobile shock-absorbing chassis of an agricultural robot according to claim 1, characterized in that: The positioning mechanism (3) comprises a top plate (31) fixedly connected to the top end of the adjusting rod (222); the four corners of the bottom surface of the top plate (31) are fixedly connected to lifting rods (32); the outside of the lifting rod (32) is movably sleeved with a sleeve (33); the bottom end of the sleeve (33) is fixedly connected to the top surface of the base (2).
7. The mobile shock-absorbing chassis of an agricultural robot according to claim 6, characterized in that: A fixing plate (34) is fixedly connected to the side of the top plate (31), the number of the fixing plates (34) being two, a guide rod (35) is fixedly connected between the two fixing plates (34), slide plates (36) are movably sleeved at both ends of the guide rod (35), a clamping plate (38) is fixedly connected to the side of the slide plate (36), the number of the slide plates (36) being two, and an electric telescopic rod (37) is fixedly connected between the two slide plates (36).