Coupler torsional rigidity test bench

By setting up stress sensing elements and test strips on the coupling torsion stiffness test bench, the problem that the existing test bench cannot judge the coupling uniform load performance, and the accurate analysis of the uniform load performance and the improvement of the overall machine performance are achieved.

CN119756742AInactive Publication Date: 2025-04-04NO 703 RES INST OF CHINA SHIPBUILDING IND CORP
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Patent Information

Application Number
CN202510202813.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-04-04
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing coupling torsion stiffness test bench can only test the torsion stiffness of the coupling, and cannot judge its uniform load performance, which makes it difficult to make targeted improvements to components with poor load performance, thereby limiting the improvement of the performance of the entire machine.

Method used

A coupling torsion stiffness test bench is designed. By setting a stress sensing element and a test strip on the elastic torsion transmission element of the coupling, the load-match performance of the coupling is judged and analyzed by the change in resistance value of the stress sensing element and the deformation of the test strip.

Benefits of technology

Accurate judgment and analysis of the load performance of the coupling is achieved, providing a basis for targeted improvement, thereby improving the performance of the entire machine.

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Abstract

A coupler torsional rigidity test bench relates to the technical field of couplings. The problems that an existing coupler torsional rigidity test bench can only test the torsional rigidity of a coupler, the uniform load performance of the coupler cannot be judged, and targeted improvement on parts poor in uniform load performance is inconvenient are solved. The device comprises a coupler, a driving part, and a first support, a second support and a third support which are mounted on a bottom plate, an output shaft of the coupler is fixedly mounted on the first support, the driving part applies torque to an input shaft, an angular displacement sensor and a tension-compression sensor respectively measure angular displacement and tension-compression force corresponding to each measuring point, and the first support, the second support and the third support are mounted on the bottom plate. The torsion rigidity of the coupler can be obtained through the stress sensing element, after the coupler is subjected to the torque effect, the uniform load performance can be judged through the resistance value change of the stress sensing element, stress analysis can be carried out on the deformation condition of the test strip, targeted improvement can be accurately carried out on parts with poor uniform load performance through stress-strain analysis, and therefore the performance of the whole machine is improved.
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