CN219583939U

CN219583939U - Explosion-proof wheel hub running gear of an organic whole motor reducer

Info

Publication number: CN219583939U
Application number: CN202320581179.9U
Authority: CN
Inventors: 于海洋; 刘飞; 张峰; 何政道
Original assignee: Shanghai Donggu Intelligent Technology Co ltd
Current assignee: Shanghai Donggu Intelligent Technology Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-25
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to an explosion-proof wheel hub travelling mechanism of an integrated motor speed reducer, which belongs to the technical field of travelling wheels and comprises a tire assembly and a driving assembly, wherein the tire assembly comprises a solid tire, a wheel hub and a shielding cover, the wheel hub is covered by the solid tire, the driving assembly is arranged on one side of the wheel hub, the shielding cover is arranged on the other side of the wheel hub, the driving assembly comprises a motor assembly, a speed reducer, an explosion-proof heat dissipation shell, an electric loss brake and an encoder, a motor output shaft of the motor assembly is connected with the wheel hub through the speed reducer, the explosion-proof heat dissipation shell covers the motor assembly and the speed reducer, the encoder is arranged on the side wall of the explosion-proof heat dissipation shell, and the encoder is connected with the motor assembly.

Description

Explosion-proof wheel hub running gear of an organic whole motor reducer

Technical Field

The utility model belongs to the technical field of travelling wheels, and particularly relates to an explosion-proof hub travelling mechanism of an integrated motor speed reducer.

Background

Most of the existing wheel hub running structures are in a split assembly mode of a motor and a speed reducer, meanwhile, the existing wheel hub running structures are matched with the existing wheel hub, most of motor explosion-proof grades are II B explosion-proof grades, the higher requirements of existing products cannot be met, the existing wheel hub running structures are large in size and not compact in structure, meanwhile, the power occupied by the overall vehicle due to the fact that the mass and the volume are too heavy is large, and the cruising ability is affected under the same battery capacity. And the speed reduction ratio can not be correspondingly adjusted according to the needs to change the speed.

The hub speed reducer with the application number of CN202221807961.X is a structure combining the speed reducer and the hub tire into a whole, but the structure of the design cannot control the speed reduction ratio, cannot be adjusted according to the requirement, and does not have an explosion-proof function.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the problems that the existing hub speed reducer cannot control the speed reduction ratio, cannot be adjusted according to requirements and does not have explosion protection.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to an explosion-proof wheel hub travelling mechanism of an integrated motor speed reducer, which comprises a tire component and a driving component, wherein the tire component comprises a solid tire, a wheel hub and a shielding cover, the solid tire is coated on the wheel hub, the driving component is arranged on one side of the wheel hub, the shielding cover is arranged on the other side of the wheel hub, the driving component comprises a motor assembly, a speed reducer, an explosion-proof heat dissipation shell, a power-losing brake and an encoder, a motor output shaft of the motor assembly is connected with the wheel hub through the speed reducer, the explosion-proof heat dissipation shell is coated on the motor assembly and the speed reducer, the encoder is arranged on the side wall of the explosion-proof heat dissipation shell, the encoder is connected with the motor assembly, and the power-losing brake is used for carrying out power-losing braking on the tire component.

Preferably, the speed reducer is a cycloidal speed reducer, the speed reducer is arranged on a motor output shaft in the motor assembly through an eccentric bearing, a cycloidal disc is arranged on the speed reducer, and the cycloidal disc is eccentrically connected with the motor output shaft.

Preferably, the solid tyre is provided with a plurality of holes.

Preferably, the motor assembly consists of a stator core, a rotor core, silicon steel sheets, a coil and a shell, wherein the stator core and the coil adopt a double-layer lap winding method.

Preferably, the encoder is an encoder with a resolution of 2500 lines, and the encoder has 5 pairs of poles.

Preferably, the motor assembly is provided with a framework oil seal, and the framework oil seal is arranged on the motor assembly through a deep groove ball bearing.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) The anti-explosion wheel hub travelling mechanism of the integrated motor speed reducer has the advantages that the designed structure integrates power on wheels, has an anti-explosion function, and meanwhile, the whole speed reducer part can be detached and replaced, so that the size of a speed reduction ratio can be controlled, the speed reduction ratio can be adjusted according to the speed requirement, the high torque and the high precision are realized, and the parking performance is realized.

Drawings

FIG. 1 is a schematic structural view of an explosion-proof hub running mechanism of an integrated motor reducer;

FIG. 2 is a cross-sectional view of FIG. 1 of an anti-explosion hub running gear of an integrated motor reducer of the present utility model;

fig. 3 is a schematic perspective view of an explosion-proof hub running mechanism of an integrated motor reducer.

Reference numerals in the schematic drawings illustrate:

100. a tire assembly; 110. a solid tire; 120. a hub; 130. a shielding cover;

200. a drive assembly; 210. a motor assembly; 220. a speed reducer; 230. an explosion-proof heat dissipation housing; 240. an encoder; 250. cycloidal discs; 260. and (5) a framework oil seal.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-3, an integral motor speed reducer anti-explosion wheel hub running mechanism of the present embodiment includes a tire assembly 100 and a driving assembly 200, the tire assembly 100 includes a solid tire 110, a wheel hub 120 and a shielding cover 130, the solid tire 110 covers the wheel hub 120, the driving assembly 200 is installed on one side of the wheel hub 120, the shielding cover 130 is installed on the other side of the wheel hub 120, the driving assembly 200 includes a motor assembly 210, a speed reducer 220, an anti-explosion heat dissipation shell 230, a power-off brake 270 and an encoder 240, a motor output shaft of the motor assembly 210 is connected with the wheel hub 120 through the speed reducer 220, the anti-explosion heat dissipation shell 230 covers the motor assembly 210 and the speed reducer 220, the encoder 240 is installed on a side wall of the anti-explosion heat dissipation shell 230, and the encoder 240 is connected with the motor assembly 210.

The speed reducer 220 of this embodiment is a cycloid speed reducer 220, the speed reducer 220 is mounted on a motor output shaft in the motor assembly 210 through an eccentric bearing, a cycloid disc 250 is arranged on the speed reducer 220, the cycloid disc 250 is eccentrically connected with the motor output shaft, the design structure can change the cycloid disc 250 part according to the requirement, thereby adjusting the speed reduction ratio to adjust the speed, and the speed reducer 220 part can be integrally changed.

The solid tyre 110 of the present embodiment is provided with a plurality of holes, and the design structure ensures the requirement of the minimum weight under the same volume.

The motor assembly 210 of the embodiment is composed of a stator core, a rotor core, silicon steel sheets, a coil and a shell, wherein the stator core and the coil adopt a double-layer lap winding method, the output power, the rotating speed and the torque of the motor assembly 210 are met in a 32-pole circuit mode, and the motor assembly adopts the combination of permanent magnets and the silicon steel sheets and the use of the permanent magnets and the silicon steel sheets to provide overload capability.

The encoder 240 of this embodiment is an encoder 240 with a resolution of 2500 lines, and the encoder 240 has 5 pairs of poles, can configure 1-16 pairs of poles by itself, satisfies the motor with a rotation speed of less than 7200rpm, and can be adapted to various drivers.

The motor assembly 210 of this embodiment is provided with the skeleton oil seal 260, and the skeleton oil seal 260 is installed on the motor assembly 210 through the deep groove ball bearing, so that the skeleton oil seal 260 is increased, and the protection level is improved.

The speed reducer 220 partially utilizes the shell of the motor assembly 210, reduces a part of structural components, adopts a cycloid speed reduction structure with large speed reduction ratio and small volume, and the cycloid disc 250 is eccentrically connected with the motor output shaft, and meanwhile, the needle roller is connected with the shell, and drives the speed reducer 220 to go out of the shaft through the shaft pin to achieve the speed reduction effect. Meanwhile, the corresponding speed adjustment can be performed by replacing the corresponding accessories of the speed reducer 220. The requirements under different working conditions are met rapidly.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. An explosion-proof wheel hub running gear of an integrated motor reducer, its characterized in that: including tire assembly (100) and drive assembly (200), tire assembly (100) include solid tire (110), wheel hub (120) and shelter from lid (130), solid tire (110) cladding wheel hub (120), drive assembly (200) are installed to one side of wheel hub (120), and shelter from lid (130) are installed to the opposite side, drive assembly (200) include motor assembly (210), speed reducer (220), explosion-proof heat dissipation shell (230), electric brake (270) and encoder (240), wheel hub (120) are connected through speed reducer (220) to the motor output shaft of motor assembly (210), explosion-proof heat dissipation shell (230) cladding motor assembly (210) and speed reducer (220), encoder (240) are installed on the lateral wall of explosion-proof heat dissipation shell (230), motor assembly (210) are connected to encoder (240), electric brake (270) are used for carrying out the electric brake that loses to this tire assembly.

2. The explosion-proof hub running gear of an integrated motor reducer according to claim 1, wherein: the speed reducer (220) is a cycloidal speed reducer (220), the speed reducer (220) is arranged on a motor output shaft in the motor assembly (210) through an eccentric bearing, a cycloidal disc (250) is arranged on the speed reducer (220), and the cycloidal disc (250) is eccentrically connected with the motor output shaft.

3. The explosion-proof hub running gear of an integrated motor reducer according to claim 1, wherein: the solid tyre (110) is provided with a plurality of holes.

4. The explosion-proof hub running gear of an integrated motor reducer according to claim 1, wherein: the motor assembly (210) is composed of a stator core, a rotor core, silicon steel sheets, a coil and a shell, wherein the stator core and the coil adopt a double-layer lap winding method.

5. The explosion-proof hub running gear of an integrated motor reducer according to claim 1, wherein: the encoder (240) is an encoder (240) with a resolution of 2500 lines, and the encoder (240) has 5 pairs of poles.

6. The explosion-proof wheel hub running gear of an integrated motor reducer of claim 4, wherein: the motor assembly (210) is provided with a framework oil seal (260), and the framework oil seal (260) is installed on the motor assembly (210) through a deep groove ball bearing.