Robot chassis with high stability

By setting the slide chute, counterweight block and inclination sensor in the robot chassis to adjust the center of gravity, as well as the shock absorption mechanism shock absorption spring, the problem of unstable movement of the robot chassis on slopes or inclined surfaces is solved, and overall stability is achieved and Improved stability of the wheel system.

CN222347186UActive Publication Date: 2025-01-14SHENZHEN POLYTECHNIC
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Patent Information

Application Number
CN202420812134.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-18
Publication Date
2025-01-14
Estimated Expiration
2034-04-18

AI Technical Summary

Technical Problem

Existing robot chassis is difficult to ensure stable movement on slopes or cut surfaces, resulting in unstable movement and possible rollover.

Method used

A robot chassis including a main mechanism, a stabilization mechanism and a shock absorbing mechanism are designed. The stabilization mechanism adjusts the center of gravity during arc surface or climbing through the slide chute, counterweight block and inclination sensor. The shock absorbing mechanism passes through the slot and the snap plate. The shock absorbing springs absorb shocks in bumpy sections to ensure the stability of the front and rear wheels.

Benefits of technology

The stability of the robot chassis and the movement stability of the front and rear wheels on slopes or cut surfaces are achieved, avoiding instability caused by rollover and bumps.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of robots, and discloses a robot chassis with strong stability, which comprises a main body mechanism, a stabilizing mechanism and a damping mechanism, the stabilizing mechanism is located in the main body mechanism, the damping mechanism is located in the main body mechanism, and the main body mechanism comprises a robot chassis. A first rotating rod is arranged on the surface of the robot chassis, a protective sleeve is fixedly connected to the surface of the first rotating rod, and front wheels are rotationally connected to the two ends of the first rotating rod. The sliding groove, the balancing weight and the tilt angle sensor are arranged in the chassis of the robot, when the robot enters an arc-shaped surface or climbs a slope, the weight of the front portion and the rear portion of the robot can be changed, it is guaranteed that the gravity center is stabilized in the center during moving, and the overall stability is guaranteed; and by arranging a clamping groove and a clamping plate, when the robot moves, the second rotating rod can be damped when encountering a bumpy road section, so that the moving stability of the rear wheels is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of robots, in particular to a robot chassis with strong stability. Background Art

[0002] With the development of science and technology, the application scope of robots has been greatly expanded. They are not only widely used in industries such as industry, agriculture, medical care, and services, but also in harmful and dangerous occasions such as urban security, national defense, and space exploration. Ground mobile robots achieve various functions by installing components with various functions on the chassis structure, and driving the mobile robot to move on the ground through the chassis structure.

[0003] However, due to the limitations of current technology and material levels, the stability performance of the robot chassis does not meet the expected requirements. Although it can be stable when moving on flat ground, it is difficult to ensure stable movement on large-angle slopes and inclined planes. Therefore, a robot chassis that can ensure stable movement on slopes is needed. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a robot chassis with strong stability.

[0005] The utility model is implemented by the following technical solutions: a robot chassis with strong stability, including a main body mechanism, a stabilizing mechanism and a shock absorbing mechanism, wherein the stabilizing mechanism is located inside the main body mechanism, and the shock absorbing mechanism is located inside the main body mechanism;

[0006] The main mechanism includes a robot chassis, a first rotating rod is provided on the surface of the robot chassis, a protective sleeve is fixedly connected to the surface of the first rotating rod, front wheels are rotatably connected at both ends of the first rotating rod, a second rotating rod is provided on the surface of the robot chassis, rear wheels are rotatably connected at both ends of the second rotating rod, a top cover is clamped on the top of the robot chassis, the stabilizing mechanism includes a mounting plate, a slide groove is provided inside the mounting plate, a slider is slidably connected inside the slide groove, a counterweight is fixedly connected to the inner surface of the slider, an electric hydraulic telescopic rod is fixedly connected to the surface of the counterweight, a signal receiver is fixedly connected to the top of the electric hydraulic telescopic rod, an inclination sensor is fixedly connected to the inner surface of the robot chassis, two mounting plates are provided, and the two mounting plates are symmetrically evenly distributed on both sides with respect to the center of the inner surface of the robot chassis, two slide grooves are provided, and the two slide grooves are symmetrically evenly distributed on both sides of the inner surface of the mounting plate with respect to the center of the surface of the mounting plate, two inclination sensors are provided, and the two inclination sensors are symmetrically evenly distributed on both sides with respect to the center of the robot chassis, and the inclination sensor is arranged on the right side of the mounting plate near the edge of the robot chassis.

[0007] Through the above technical solution, by setting a slide, a counterweight and an inclination sensor inside the robot chassis, when the robot enters a curved surface or climbs a slope, the weight of the front and rear can be changed to ensure that the center of gravity is stable in the center during movement, thereby ensuring the overall stability.

[0008] As a further improvement of the above scheme, the first rotating rod is arranged at the front side of the robot chassis, the first rotating rod passes through the robot chassis, two protective covers are provided, and the two protective covers are symmetrically and evenly distributed on both sides with the center of the first rotating rod, and the second rotating rod passes through the robot chassis.

[0009] Through the above technical solution, the protective cover is provided to protect the front wheel when it is running.

[0010] As a further improvement of the above scheme, the shock absorbing mechanism includes a shock absorbing box, a card slot is opened inside the shock absorbing box, an arc-shaped connecting plate is fixedly connected to the top surface of the shock absorbing box, a shock absorbing plate is arranged inside the card slot, and a shock absorbing spring is fixedly connected to the inner surface of the shock absorbing box.

[0011] As a further improvement of the above scheme, the surface of the rotating rod is connected to the surface of the arc-shaped clamping plate on the shock-absorbing box, and two clamping slots are provided, and the two clamping slots are symmetrically and evenly distributed on both sides of the center of the shock-absorbing box, and eight shock-absorbing springs are provided, and the eight shock-absorbing springs are symmetrically and evenly distributed on both sides of the bottom center of the shock-absorbing box.

[0012] Through the above technical solution, by providing the card slot and the card plate, when the robot encounters a bumpy road section during movement, the second rotating rod can be damped to ensure the movement stability of the rear wheel.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model arranges a slide groove, a counterweight block and an inclination sensor inside the robot chassis, and when the robot enters a curved surface or climbs a slope, the weight of the front and rear sides thereof can be changed to ensure that the center of gravity is stabilized in the center during movement, thereby ensuring the overall stability.

[0015] The utility model provides the card slot and the card plate so that when the robot moves, the second rotating rod can be damped when encountering a bumpy road section, so as to ensure the movement stability of the rear wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall internal structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the internal structure of the shock absorbing mechanism of the utility model.

[0020] Description of main symbols:

[0021] 1. Main body; 101. Robot chassis; 102. First rotating rod; 103. Protective cover; 104. Front wheel; 105. Second rotating rod; 106. Rear wheel; 107. Top cover; 2. Stabilizing mechanism; 201. Mounting plate; 202. Slide groove; 203. Sliding block; 204. Counterweight; 205. Electric hydraulic telescopic rod; 206. Signal receiver; 207. Tilt sensor; 3. Shock-absorbing mechanism; 301. Shock-absorbing box; 302. Slot; 303. Arc-shaped connecting plate; 304. Shock-absorbing plate; 305. Shock-absorbing spring. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0023] Embodiment 1:

[0024] Please combine Figure 1-4 In this embodiment, a robot chassis with strong stability includes a main body mechanism 1, a stabilizing mechanism 2 and a shock absorbing mechanism 3, wherein the stabilizing mechanism 2 is located inside the main body mechanism 1, and the shock absorbing mechanism 3 is located inside the main body mechanism 1;

[0025] The main mechanism 1 includes a robot chassis 101, a first rotating rod 102 is provided on the surface of the robot chassis 101, a protective cover 103 is fixedly connected to the surface of the first rotating rod 102, front wheels 104 are rotatably connected at both ends of the first rotating rod 102, a second rotating rod 105 is provided on the surface of the robot chassis 101, rear wheels 106 are rotatably connected at both ends of the second rotating rod 105, a top cover 107 is clamped on the top of the robot chassis 101, and the stabilizing mechanism 2 includes a mounting plate 201, a slide groove 202 is provided inside the mounting plate 201, a slider 203 is slidably connected inside the slide groove 202, a counterweight block 204 is fixedly connected to the inner surface of the slider 203, and an electric hydraulic Telescopic rod 205, the top of the electric hydraulic telescopic rod 205 is fixedly connected to a signal receiver 206, the inner surface of the robot chassis 101 is fixedly connected to an inclination sensor 207, two mounting plates 201 are provided, and the two mounting plates 201 are symmetrically evenly distributed on both sides with the center of the inner surface of the robot chassis 101, two slide grooves 202 are provided, and the two slide grooves 202 are symmetrically evenly distributed on both sides of the inside of the mounting plate 201 with the center of the surface of the mounting plate 201, two inclination sensors 207 are provided, and the two inclination sensors 207 are symmetrically evenly distributed on both sides with the center of the robot chassis 101, and the inclination sensor 207 is arranged on the right side of the mounting plate 201 near the edge of the robot chassis 101.

[0026] The first rotating rod 102 is arranged at the front side of the robot chassis 101 , and the first rotating rod 102 passes through the robot chassis 101 . Two protective covers 103 are arranged, and the two protective covers 103 are evenly distributed on both sides symmetrically with respect to the center of the first rotating rod 102 . The second rotating rod 105 passes through the robot chassis 101 .

[0027] The shock absorbing mechanism 3 comprises a shock absorbing box 301 , a slot 302 is provided inside the shock absorbing box 301 , an arc-shaped connecting plate 303 is fixedly connected to the top surface of the shock absorbing box 301 , a shock absorbing plate 304 is arranged inside the slot 302 , and a shock absorbing spring 305 is fixedly connected to the inner surface of the shock absorbing box 301 .

[0028] The surface of the second rotating rod 105 is connected to the surface of the arc-shaped card plate on the shock-absorbing box 301. Two card slots 302 are provided, and the two card slots 302 are symmetrically evenly distributed on both sides with the center of the shock-absorbing box 301. Eight shock-absorbing springs 305 are provided, and the eight shock-absorbing springs 305 are symmetrically evenly distributed on both sides with the bottom center of the shock-absorbing box 301.

[0029] A robot chassis with strong stability in the embodiment of the present application is: when the robot is moving, the protective cover 103 protects the front wheel 104 on a smooth road section to ensure smooth operation; when the robot needs to climb a slope or move on an inclined surface, the inclination sensor 207 can observe the existing inclination angle of the robot, and when it is received that the robot is tilting and moving, the signal receiver 206 receives a signal. After receiving the signal, the electric hydraulic telescopic rod 205 is started to drive the counterweight block 204 to move closer to the slide 202, thereby ensuring that the center of gravity of the robot is kept in the center position and preventing the robot from tipping over due to cutting.

[0030] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A robot chassis with strong stability, characterized by: It comprises a main body mechanism (1), a stabilizing mechanism (2) and a shock absorbing mechanism (3), wherein the stabilizing mechanism (2) is located inside the main body mechanism (1), and the shock absorbing mechanism (3) is located inside the main body mechanism (1); The main body mechanism (1) comprises a robot chassis (101), a first rotating rod (102) is arranged on the surface of the robot chassis (101), a protective cover (103) is fixedly connected to the surface of the first rotating rod (102), front wheels (104) are rotatably connected at both ends of the first rotating rod (102), a second rotating rod (105) is arranged on the surface of the robot chassis (101), rear wheels (106) are rotatably connected at both ends of the second rotating rod (105), a top cover (107) is clamped on the top of the robot chassis (101), and the stabilizing mechanism (2) comprises a mounting plate (201), a sliding groove (202) is provided inside the mounting plate (201), a slider (203) is slidably connected inside the sliding groove (202), a counterweight (204) is fixedly connected to the inner surface of the slider (203), and the surface of the counterweight (204) is fixedly connected to the outer surface of the slider (203). An electric hydraulic telescopic rod (205) is fixedly connected, a signal receiver (206) is fixedly connected to the top of the electric hydraulic telescopic rod (205), an inclination sensor (207) is fixedly connected to the inner surface of the robot chassis (101), two mounting plates (201) are provided, and the two mounting plates (201) are symmetrically evenly distributed on both sides with the center of the inner surface of the robot chassis (101), two slide grooves (202) are provided, and the two slide grooves (202) are symmetrically evenly distributed on both sides of the inside of the mounting plate (201) with the center of the surface of the mounting plate (201), two inclination sensors (207) are provided, and the two inclination sensors (207) are symmetrically evenly distributed on both sides with the center of the robot chassis (101), and the inclination sensor (207) is arranged on the right side of the mounting plate (201) close to the edge of the robot chassis (101).

2. A robot chassis with strong stability as claimed in claim 1, characterized in that: The first rotating rod (102) is arranged at the front side of the robot chassis (101), and the first rotating rod (102) passes through the robot chassis (101). Two protective covers (103) are provided, and the two protective covers (103) are symmetrically and evenly distributed on both sides with the center of the first rotating rod (102). The second rotating rod (105) passes through the robot chassis (101).

3. A robot chassis with strong stability as claimed in claim 1, characterized in that: The shock absorbing mechanism (3) comprises a shock absorbing box (301), a slot (302) is provided inside the shock absorbing box (301), an arc-shaped connecting plate (303) is fixedly connected to the top surface of the shock absorbing box (301), a shock absorbing plate (304) is provided inside the slot (302), and a shock absorbing spring (305) is fixedly connected to the inner surface of the shock absorbing box (301).

4. A robot chassis with strong stability as claimed in claim 3, characterized in that: The surface of the second rotating rod (105) is connected to the surface of the arc-shaped card plate on the shock-absorbing box (301); two card slots (302) are provided, and the two card slots (302) are symmetrically evenly distributed on both sides with respect to the center of the shock-absorbing box (301); eight shock-absorbing springs (305) are provided, and the eight shock-absorbing springs (305) are symmetrically evenly distributed on both sides with respect to the bottom center of the shock-absorbing box (301).