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Caterpillar track section assembly and caterpillar track assembly

A technology of chain rail links and components, which is applied in the directions of crawler vehicles, transportation and packaging, motor vehicles, etc., can solve the problems of damage to the pin shaft and chain rail link, the pin shaft hole becomes larger, the pin shaft escapes, etc., so as to achieve easy disassembly. , to ensure stable connection and efficient disassembly

Pending Publication Date: 2021-04-13
SHANGHAI SANY HEAVY IND
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  • Abstract
  • Description
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Problems solved by technology

[0003] However, excavators are mostly used in field operations without a pin pressing machine. Service engineers usually take out the pin shaft by roasting it over fire. This method often causes the pin shaft hole to become larger and the pin shaft sprang out; or directly smash the pin shaft.
The disadvantage of this disassembly method is that it is laborious, and the second is that it destroys the pin shaft and chain rail joints.

Method used

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  • Caterpillar track section assembly and caterpillar track assembly
  • Caterpillar track section assembly and caterpillar track assembly
  • Caterpillar track section assembly and caterpillar track assembly

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Embodiment Construction

[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0044] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention relates to the technical field of engineering machinery and particularly relates to a caterpillar track section assembly and a caterpillar track assembly. The caterpillar track section assembly comprises a caterpillar track section body and a connecting piece, wherein the caterpillar track section body is provided with a matching notch, and the matching notch penetrates through the side wall connecting pieces defining the pin shaft hole to be connected with the two side walls of the matching notch respectively, so the matching notch has a first state that the matching notch gets close to the pin shaft hole while the pin shaft hole shrinks and a second state that the matching notch keeps away from the pin shaft hole while being opened. The caterpillar track section assembly is advantaged in that the pin shaft can be easily disassembled, and integrity of the pin shaft and a caterpillar track section is guaranteed.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a chain rail link assembly and a crawler belt assembly. Background technique [0002] In the prior art, the pin holes of the track pins and the chain rail joints are interference fit. It is necessary to dismantle the crawler belt when replacing the travel motor or the tensioning device or the guide wheel. At this time, the kingpin shaft needs to be pressed out by means of a pin pressing machine. [0003] However, excavators are mostly used in field operations without a pin pressing machine. Service engineers usually take out the pin shaft by roasting it over fire. This method often causes the pin shaft hole to become larger and the pin shaft sprang out; or directly smash the pin shaft. . The disadvantages of such a dismounting method are effort, and the second is that the bearing pin and the chain rail joint are damaged. Contents of the invention [0004] The p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D55/21B62D55/32
CPCB62D55/21B62D55/32
Inventor 丁菊香
Owner SHANGHAI SANY HEAVY IND
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