扭矩检测装置

By designing a torque detection device that connects the shaft, lever arm assembly, and pressure gauge, the problem of not being able to balance portability and reliability of detection results in existing technologies has been solved, achieving both portability and accuracy in torque detection.

CN224518151UActive Publication Date: 2026-07-17CHONGQING CHANGAN AUTOMOBILE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING CHANGAN AUTOMOBILE CO LTD
Filing Date
2025-08-01
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing torque testing devices cannot balance portability and reliability of test results. Existing portable tools provide inaccurate results, while existing precise tools are complex and inconvenient to carry.

Method used

Design a torque detection device including a connecting shaft, a lever arm assembly, and a pressure gauge. The connecting shaft is fixed coaxially with the rotating shaft, the lever arm assembly is movable with the connecting shaft, and the pressure gauge measuring head contacts the surface of the lever arm. The indirect measurement of torque is achieved by combining bearings and a limiting structure.

Benefits of technology

This invention achieves a balance between portability and reliability of torque detection devices, simplifies the structure, and ensures the accuracy and reliability of torque detection.

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Abstract

本申请涉及一种扭矩检测装置,涉及发动机技术领域。该扭矩检测装置包括连接轴、力臂组件以及压力计;连接轴用于连接发动机的转轴,且连接轴与转轴同轴且在第一方向上与转轴相对固定,第一方向为连接轴的周向;力臂组件包括第一力臂与第二力臂,第一力臂的一端与第二力臂的一端分别连接于连接轴;在第一方向上,第一力臂与连接轴相对活动,第二力臂与连接轴相对固定;压力计的主体固定于第一力臂,压力计的测量头与第二力臂的沿第一方向分布的表面接触。由此,基于简单的整体结构设计,具有良好的便携性,并且结合压力计来间接测量扭矩,可以获得精确的扭矩值,从而可以保证扭矩检测结果的可靠性,以此兼顾了便携性与扭矩检测结果的可靠性。
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