Generator stator and rotor gap measuring device

By designing a generator stator rotor gap measurement device with M-type support blocks and suction cup solenoids fixed slide bar positions, the problems of inefficient measurement efficiency and large errors in the prior art are solved, and fast and accurate gap measurement is achieved.

CN223216804UActive Publication Date: 2025-08-12JIANGSU HUADIAN YIZHENG THERMOELECTRICITY CO LTD
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Patent Information

Application Number
CN202423030331.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-08-12
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing generator stator rotor gap measurement tools require multiple adjustments to the positioning screw, resulting in inefficient measurement and large errors.

Method used

A measuring device including an M-type support block, a hand-held rod, a slider, a suction cup solenoid and a battery pack is designed. The slider is positioned under the action of a spring and the sliding rod is fixed with a suction cup solenoid, and the gap is measured in combination with a vernier caliper.

Benefits of technology

It realizes rapid and accurate measurement of the stator and rotor gap, simplifies the operation process and reduces human error.

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Abstract

Provided is a generator stator-rotor gap measuring device. An existing measuring tool can determine the actual distance of a gap only by taking out and adjusting a positioning screw for multiple times during measurement, and is low in efficiency and large in measurement error during measurement. The device comprises an M-shaped supporting block, a handheld rod is fixed to the M-shaped supporting block, an operation box is fixed to the end of the handheld rod, semicircular insertion holes are formed in the two ends of the M-shaped supporting block respectively, a sliding rod is inserted into each semicircular insertion hole, the end of each sliding rod is connected with one end of a spring, and the other end of each sliding rod is connected with the other end of the spring. The other end of the spring is inserted into a circular groove in the middle of the M-shaped supporting block and is fixed; the two sides of the front end of the M-shaped supporting block are each provided with an insertion groove, and a suction cup electromagnet is fixed in each insertion groove. The device is used for measuring the stator-rotor gap of the generator.
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