A device for detecting the torque of a ball joint pin of a control arm of a vehicle

By designing modular support components and an integrated rotary measuring mechanism, the automated continuous detection of ball joint pin torque in automotive control arms is achieved, solving the problems of low detection efficiency and insufficient accuracy in existing technologies. It is adaptable to ball joint pins of different specifications and meets the high-precision detection requirements of automotive parts.

CN224365677UActive Publication Date: 2026-06-16HETIAN AUTOMOTIVE IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HETIAN AUTOMOTIVE IND CO LTD
Filing Date
2025-06-25
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing technologies struggle to simultaneously meet the combined testing requirements of lateral swing torque and rotational torque when detecting the torque of ball joint pins in automotive control arms. Furthermore, different specifications of ball joint pins require different equipment, resulting in low testing efficiency and large errors.

Method used

A torque detection device for the ball joint pin of an automotive control arm was designed. It adopts a modular support component and an integrated rotary and mobile measuring mechanism to realize the automated and continuous detection of the ball joint pin's swing torque and rotation torque. Combined with mechanical positioning and servo control, it ensures measurement accuracy and efficiency.

Benefits of technology

It significantly improves detection efficiency, achieves measurement accuracy of ±1.5%, meets the precision detection requirements of automotive parts, and is adaptable to control arms with different structures, thus reducing equipment costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of automobile control arm ball head pin torque detection device, it is related to magnetic ball head pin torque detection technical field, including detection workbench bearing detection device;Supporting assembly is used to adapt the control arm positioning of different structure;Protective cover, located the other side of the detection workbench;Supporting column is fixed in the protective cover;Lifting cylinder is used to drive rotary measuring mechanism to move up and down;Rotary measuring mechanism is connected to the bottom of the lifting cylinder, for applying rotary torque to ball head pin and measuring its value;Pin head support component is used to fix the pin head end of ball head pin;Mobile measuring mechanism, symmetrically set in the pin head support component both sides, can be adjusted along horizontal direction sliding, for detecting the swing torque of ball head pin, to solve the swing torque swing arm positioning of current traditional method measurement ball head pin is not stable and is easy to introduce error, and it is difficult to meet the composite detection demand of left and right swing torque and rotary torque simultaneously;And the technical problem of higher equipment cost.
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