A portable bolt fastening device for vibration testing

By designing a portable bolt fastening device for vibration testing with a planetary gear structure and torque sensor, the problems of difficult operation in confined spaces and uncontrollable preload torque are solved, achieving efficient and safe fastening results and adapting to various testing needs.

CN224509540UActive Publication Date: 2026-07-17XIAN XICE ELECTRONICS TECH SERVICE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIAN XICE ELECTRONICS TECH SERVICE
Filing Date
2025-08-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing portable bolt fastening devices for vibration testing are hampered in confined spaces, have difficulty controlling preload torque, and are cumbersome to install and disassemble, posing safety hazards.

Method used

A fastening device comprising an input rod, a gear set, and an output rod was designed. It employs a planetary gear structure and a torque sensor, and increases torque and monitors preload through gear set transmission. The device is compact and adjustable, adapting to different scenario requirements.

Benefits of technology

It improves the operability of the device in confined spaces and the controllability of the pre-tightening torque, reduces the risk of loosening and falling off, enhances the stability and safety of the test, and simplifies the installation and disassembly process.

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Abstract

The utility model discloses a portable bolt fastening device of vibration test, including input rod, gear set, output rod and support assembly, the support assembly is used for supporting gear set, the input rod is connected with output rod through gear set, the output rod is connected through the thread with the outer hexagonal screw rod or sleeve. The utility model discloses the transmission of gear set, changes the direction of output rod simultaneously, increases the torque, and the compact structure is convenient for operating in the narrow space.
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