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Supporting wheel and excavator with same

A technology of supporting rollers and wheel bodies, applied to the parts of tracked vehicles and excavators, to achieve the effects of isolating harmful areas, reducing oil leakage rate, and simple structure

Inactive Publication Date: 2012-11-14
CHANGSHU HUAWEI TRACK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the above-mentioned problems in the prior art, the technical problem to be solved by the present invention is that the supporting wheels of the prior art are easy to pollute the lubricating oil

Method used

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  • Supporting wheel and excavator with same

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Embodiment Construction

[0019] The present invention will be explained in detail below in conjunction with the accompanying drawings.

[0020] Such as figure 1 A supporting wheel according to an embodiment of the present invention shown in , includes a wheel body 1 and a rotating shaft (not shown in the figure) connected to each other. The wheel body 1 includes a left wheel body 11 and a right wheel body 12 , wherein a sealed circular tube 2 is also included. The left wheel body 11 and the right wheel body 12 are connected by friction welding, and an annular working oil chamber 3 is formed in the left wheel body 11 and the right wheel body 12 . The sealing round tube 5 is set in the working oil chamber 3, the sealing round tube 2 is coaxial with the wheel body 1, one end 21 of the sealing round tube 2 is seamlessly connected with the left wheel body 11, and the other end 22 of the sealing round tube 2 is connected with the right wheel body 12 Sealed connection.

[0021] The invention utilizes a s...

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Abstract

The invention provides a supporting wheel which comprises a wheel body (1) and a rotating shaft which are connected with each other, wherein the wheel body (1) comprises a left wheel body (11) and a right wheel body (12); the wheel body further comprises a sealing circular pipe (2); the left wheel body (11) and the right wheel body (12) are welded through friction welding; an annular working oil chamber is formed between the left wheel body (11) and the right wheel body (12); the sealing circular pipe (2) is arranged in the working oil chamber (3); the sealing circular pipe (2) is coaxial with the wheel body (1); one end of the sealing circular pipe (2) is seamlessly connected with the left wheel body (11); the other end of the sealing circular pipe (2) is hermetically connected with the right wheel body (12). An excavator comprises a chassis provided with the supporting wheel. The supporting wheel and the excavator have the advantages of simple structure, convenience, higher efficiency and economic efficiency and improvement in connecting strength of the wheel body, the harmful area is effectively isolated, and the standard cleanliness of lubricating oil is ensured.

Description

technical field [0001] The invention belongs to the field of crawler vehicle manufacture, and relates to parts of a crawler vehicle, in particular to a supporting wheel and an excavator using the supporting wheel. [0002] Background technique [0003] The supporting wheel is one of the four-wheel belts of the excavator and bulldozer chassis. Its main function is to support the weight of the excavator and bulldozer and let the track move along the wheels. Most of the rollers are connected by two half-wheels. [0004] As we all know, the important parts of the chassis of the excavator, the rollers, are filled with lubricating oil inside to meet their normal working needs and effectively ensure their service life. This requires that the track rollers connected by the two half-wheels have good sealing performance, and the intermediate cavity formed by the connection must not leak oil (oil leakage will cause poor lubrication performance and external impurities will enter the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D55/14B62D55/15
Inventor 陆华林高建彭斌
Owner CHANGSHU HUAWEI TRACK
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