A motor back electromotive force test fixture

By designing the first and second lifting mechanisms of the motor back EMF test fixture, the automated rotation and testing of the motor are realized, solving the problem of low testing efficiency of motor back EMF, adapting to motors of different models and sizes, and improving testing efficiency.

CN224328161UActive Publication Date: 2026-06-05SHENZHEN JINMINJIANG RIVER MECHANICAL & ELECTRICAL EQUIP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN JINMINJIANG RIVER MECHANICAL & ELECTRICAL EQUIP
Filing Date
2025-06-05
Publication Date
2026-06-05

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    Figure CN224328161U_ABST
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Abstract

The application relates to the technical field of automatic production lines, and provides a motor counter electromotive force test clamp, which comprises a first jacking mechanism arranged on a production line and capable of driving a motor carrier to move up and down, a fixing assembly arranged on the motor carrier and used for fixing a motor, and a second jacking mechanism, the second jacking mechanism comprises a second jacking cylinder arranged below the motor carrier and a lifting assembly driven by the second jacking cylinder, a jacking rod assembly capable of driving the fixing assembly to lift twice and pass through the motor carrier is arranged on the lifting assembly, and a connecting shaft capable of passing through the fixing assembly and being fixed with the motor is arranged on the lifting assembly, one end of the connecting shaft away from the motor is connected with a rotating assembly, the rotating assembly drives the connecting shaft to rotate to drive the motor to rotate, and the motor is subjected to counter electromotive force test. The application solves the technical problems of low efficiency and inconvenient use of different motors in counter electromotive force test in the prior art.
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