A structure-optimized tension jack magnetostrictive displacement sensor mounting device

By employing a magnetostrictive displacement sensor and optical axis assembly in a tension jack, the problem of decreased accuracy of traditional rope sensors in marine engineering has been solved, achieving high-precision and high-reliability displacement measurement and improving the accuracy and safety of construction.

CN224499377UActive Publication Date: 2026-07-14LIUZHOU OVM MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIUZHOU OVM MASCH CO LTD
Filing Date
2025-07-02
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing tension jacks in marine engineering suffer from reduced measurement accuracy due to factors such as wind, seawater buoyancy, and corrosion, making them unable to meet the requirements for high stability and high precision in detection.

Method used

By employing a magnetostrictive displacement sensor, combined with an optical axis assembly and a linear bearing, the position change of the sensing block is measured non-contactly, and limit detection is performed in conjunction with a proximity switch, achieving high-precision and high-reliability displacement measurement.

Benefits of technology

It improves the measurement accuracy and reliability of tension jacks in marine engineering, adapts to harsh working conditions, ensures the accuracy and safety of construction, and has a compact structure that is easy to install and maintain.

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Abstract

The utility model discloses a structure optimization's tensile jack magnetostrictive displacement sensor mounting device, including upper connecting plate and lower connecting plate, and set up between upper and lower connecting plate's proximity switch, magnetostrictive displacement sensor, optical axis subassembly, the linear bearing of optical axis subassembly cover setting, the inductive block, the inductive board and the linkage board are fixedly arranged on the linear bearing, and the linkage board is connected with the jack, so that the inductive block, the inductive board reciprocate with the jack main jack piston synchronous movement, the inductive area of magnetostrictive displacement sensor covers the operation range of inductive block, and the inductive block is measured the stroke of jack with magnetostrictive displacement sensor cooperation, and the inductive board enters the proximity switch inductive area in reciprocating stroke, and the proximity switch is limited to the jack main jack stroke limit. The utility model discloses based on magnetostrictive displacement sensor, is applicable to the integrated layout of big tonnage tensile jack cluster hydraulic synchronous system, can be popularized and applied to marine engineering and heavy load synchronous jacking etc. scene.
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