Robot chassis

Abstract

The utility model provides a robot chassis which is applied to a freight robot and comprises a frame (1), walking mechanisms (2) and stabilizing mechanisms (3), the walking mechanisms (2) are arranged on the two sides of the frame (1), and the stabilizing mechanisms (3) are symmetrically arranged on the frame (1) and / or the walking mechanisms (2). According to the utility model, the stabilizing mechanism is arranged on the frame and / or the walking mechanism, so that when the freight robot moves, frequent vibration caused by the work of the Mecanum wheels is avoided, and the service life of the robot is prolonged while the freight stability is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to freight robot technical field, in particular to a robot chassis. BACKGROUND

[0002] In the process of freight transportation, the freight robot is one of the commonly used transportation equipment, which mainly includes a top plate, a chassis and a connecting structure, wherein the chassis is mainly used to stabilize the upper structure of the whole robot.

[0003] In the actual use process of the freight robot, it is difficult to design a steering space due to the small space of the chassis. The Mecanum wheel can move in any direction without changing the direction of the wheel itself through its special design, which enables the vehicle equipped with the Mecanum wheel to move flexibly in a small space.

[0004] However, due to the unique design of the Mecanum wheel, the freight robot will vibrate frequently during driving, which will cause the upper structure of the whole robot to vibrate frequently, affecting the freight and reducing the service life of the robot. SUMMARY

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a robot chassis, which solves the frequent vibration caused by the adoption of the Mecanum wheel in the existing freight robot.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A robot chassis is applied to a freight robot, which comprises a vehicle frame, a walking mechanism and a stabilizing mechanism, the walking mechanism is arranged on both sides of the vehicle frame, and the stabilizing mechanism is symmetrically arranged on the vehicle frame and / or the walking mechanism.

[0008] Further, the walking mechanism comprises a Mecanum wheel module and a shock-absorbing suspension module, and the Mecanum wheel module is arranged on both sides of the shock-absorbing suspension module.

[0009] Further, the stabilizing mechanism is arranged on the shock-absorbing suspension module.

[0010] Further, the shock-absorbing suspension module comprises a suspension assembly, a shock-absorbing suspension bracket and a motor cavity, the shock-absorbing suspension bracket is covered on the suspension assembly and the motor cavity, and the suspension assembly is movably arranged on the vehicle frame.

[0011] Further, the Mecanum wheel module comprises a Mecanum wheel, a speed reducer and a driving motor, the driving motor is arranged in the motor cavity, and the driving motor drives the Mecanum wheel through the speed reducer.

[0012] Further, the damping suspension module further comprises a Mecanum wheel mounting plate, and the reducer is connected with the suspension assembly through the Mecanum wheel mounting plate.

[0013] Further, the stabilizing mechanism is a Mecanum wheel.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] The utility model discloses a stabilizing mechanism is arranged on the frame and / or walking mechanism, so that the freight robot does not cause frequent vibration because of the work of the Mecanum wheel when moving, guarantees the stability of freight and increases the service life of the robot. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 It is the structural schematic diagram of the utility model embodiment 1.

[0018] Figure 2 It is the structural schematic diagram of the utility model embodiment 2.

[0019] Figure 3 It is the structural schematic diagram of the damping suspension module mechanism of the utility model.

[0020] Mark explanation:

[0021] 1-frame;

[0022] 2-walking mechanism;

[0023] 21-Mecanum wheel module; 211-Mecanum wheel, 212-reducer, 213-driving motor;

[0024] 22-damping suspension module; 221-suspension assembly, 222-damping suspension support, 223-motor cavity, 224-Mecanum wheel mounting plate;

[0025] 3-stabilizing mechanism. Specific embodiment

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

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Example 1.

[0030] like Figure 1 and Figure 3 As shown, a robot chassis includes a frame 1, a walking mechanism 2, and a stabilizing mechanism 3. The walking mechanism 2 is disposed on both sides of the frame 1, and the stabilizing mechanism 3 is symmetrically disposed on the frame 1 and the walking mechanism 2.

[0031] The walking mechanism 2 includes a Mecanum wheel module 21 and a shock-absorbing suspension module 22, with the Mecanum wheel module 21 disposed on both sides of the shock-absorbing suspension module 22.

[0032] The stabilizing mechanism 3 is mounted on the shock-absorbing suspension module 22.

[0033] The shock-absorbing suspension module 22 includes a suspension assembly 221, a shock-absorbing suspension bracket 222, and a motor cavity 223. The shock-absorbing suspension bracket 222 covers the suspension assembly 221 and the motor cavity 223, and the suspension assembly 221 is movably mounted on the vehicle frame 1.

[0034] The Mecanum wheel module 21 comprises a Mecanum wheel 211, a speed reducer 212 and a driving motor 213, the driving motor 213 is arranged in the motor cavity 223, and the shaft of the driving motor 213 drives the Mecanum wheel 211 through the speed reducer 212.

[0035] The damping suspension module 22 further comprises a Mecanum wheel mounting plate 224, and the speed reducer 212 is connected with the suspension assembly 221 through the Mecanum wheel mounting plate 224.

[0036] The stabilizing mechanism 3 is four universal wheels, which are symmetrically arranged on the vehicle frame 1 and the walking mechanism 2.

[0037] When the freight robot runs, frequent vibration is generated due to the unique design of the Mecanum wheel 211. At this time, due to the symmetric arrangement of the four universal wheels, the vibration generated by the movement of the Mecanum wheel 211 is offset by the universal wheels, thereby greatly reducing the vibration of the robot.

[0038] Embodiment 2.

[0039] As shown in Figure 2 and Figure 3 A robot chassis applied to a freight robot, comprising a vehicle frame 1, a walking mechanism 2 and a stabilizing mechanism 3, the walking mechanism 2 is arranged on both sides of the vehicle frame 1, and the stabilizing mechanism 3 is symmetrically arranged on the vehicle frame 1.

[0040] The walking mechanism 2 comprises a Mecanum wheel module 21 and a damping suspension module 22, and the Mecanum wheel module 21 is arranged on both sides of the damping suspension module 22.

[0041] The damping suspension module 22 comprises a suspension assembly 221, a damping suspension bracket 222 and a motor cavity 223, the damping suspension bracket 222 covers the suspension assembly 221 and the motor cavity 223, and the suspension assembly 221 is movably arranged on the vehicle frame 1.

[0042] The Mecanum wheel module 21 comprises a Mecanum wheel 211, a speed reducer 212 and a driving motor 213, the driving motor 213 is arranged in the motor cavity 223, and the shaft of the driving motor 213 drives the Mecanum wheel 211 through the speed reducer 212.

[0043] The damping suspension module 22 further comprises a Mecanum wheel mounting plate 224, and the speed reducer 212 is connected with the suspension assembly 221 through the Mecanum wheel mounting plate 224.

[0044] The stabilizing mechanism 3 is four universal wheels, which are symmetrically arranged on the vehicle frame 1.

[0045] When the freight robot is running, frequent vibration is generated due to the unique design of the Mecanum wheel 211. At this time, due to the symmetrical arrangement of the four universal wheels, the vibration generated by the Mecanum wheel 211 movement is offset by the universal wheels, thereby greatly reducing the vibration of the robot.

[0046] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and substitutions made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. A robot chassis for use in freight robots, characterized in that, It includes a frame (1), a running mechanism (2) and a stabilizing mechanism (3). The running mechanism (2) is arranged on both sides of the frame (1), and the stabilizing mechanism (3) is symmetrically arranged on the frame (1) and / or the running mechanism (2).

2. The robot chassis as described in claim 1, characterized in that, The walking mechanism (2) includes a Mecanum wheel module (21) and a shock-absorbing suspension module (22), with the Mecanum wheel module (21) located on both sides of the shock-absorbing suspension module (22).

3. The robot chassis as described in claim 2, characterized in that, The stabilizing mechanism (3) is mounted on the shock-absorbing suspension module (22).

4. The robot chassis as described in claim 2, characterized in that, The shock-absorbing suspension module (22) includes a suspension assembly (221), a shock-absorbing suspension bracket (222), and a motor cavity (223). The shock-absorbing suspension bracket (222) covers the suspension assembly (221) and the motor cavity (223). The suspension assembly (221) is movably mounted on the vehicle frame (1).

5. The robot chassis as described in claim 2, characterized in that, The Mecanum wheel module (21) includes a Mecanum wheel (211), a reducer (212) and a drive motor (213). The drive motor (213) is located in the motor cavity (223) and drives the Mecanum wheel (211) through the reducer (212).

6. The robot chassis as described in claim 5, characterized in that, The shock-absorbing suspension module (22) also includes a wheel mounting plate (224), through which the reducer (212) is connected to the suspension assembly (221).

7. The robot chassis as described in claim 1, characterized in that, The stabilizing mechanism (3) is a caster wheel.

Images