Wrench for mechanical maintenance of mining equipment

By designing a wrench for the mechanical maintenance of mining equipment, the problem of existing wrenches being unable to change hexagonal heads and adjust torque was solved, achieving the effects of quick replacement and labor saving, and reducing labor intensity.

CN223834420UActive Publication Date: 2026-01-27SHANXI ZHENHUIXIANG IND & TRADE CO LTD
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Patent Information

Application Number
CN202520415353.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-27
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing hex wrenches cannot be fitted with different sizes of hex heads and the torque cannot be adjusted, resulting in inconvenience and high labor intensity.

Method used

A wrench for mechanical maintenance of mining equipment was designed. The connection between the internal hexagonal wrench head and the wrench cylinder is achieved by inserting a connecting sleeve and a positioning connecting post. It is equipped with a bolt adjustment post and an adjustment handle for easy replacement. An extension rod is installed on the torque arm to adjust the length of the torque arm, thereby achieving a labor-saving effect.

Benefits of technology

It enables quick disassembly and installation of the hex wrench, facilitates the replacement of fastening bolts of different models and specifications, and reduces labor intensity by extending the connecting rod, thus achieving a labor-saving effect.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model provides a mining equipment machinery maintenance wrench, which comprises a wrench cylinder and an inner hexagonal wrench head, one end of the wrench cylinder is embedded with an insertion connecting sleeve, one end of the inner hexagonal wrench head is provided with a positioning connecting column, and the positioning connecting column is inserted into the insertion connecting sleeve so that the inner hexagonal wrench head is connected with the wrench cylinder. A bolt adjusting column is installed on the side portion of the wrench cylinder column, an adjusting handle is installed at one end of the bolt adjusting column, and a threaded connecting hole is formed in the side portion of the positioning connecting column. The positioning connecting column is inserted into the inserting connecting sleeve so that the inner hexagonal wrench head can be connected with the wrench cylinder, the bolt adjusting column is installed on the side portion of the wrench cylinder, the threaded connecting hole is formed in the side portion of the positioning connecting column, and the other end of the bolt adjusting column is connected with the threaded connecting hole. And the tightness of the bolt adjusting column is conveniently adjusted through the adjusting handle, so that the inner hexagonal wrench head is quickly disassembled, mounted and replaced, and the operation is very convenient.
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