20kV cable accessory test detection platform and detection method

By designing a 20kV cable accessory testing platform, and utilizing the cooperation of hydraulic cylinders and guide rings, precise observation of the wire lug crimping point can be achieved, solving the problem of insufficient accuracy in the stability testing of the connection between the wire lug and the conductor, and improving testing efficiency and safety.

CN122468520APending Publication Date: 2026-07-28HUBEI DELE ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN202610670537.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-15
Publication Date
2026-07-28

AI Technical Summary

Technical Problem

In existing technologies, the accuracy of testing the connection stability between the wire lug and the conductor is insufficient, especially since tiny cracks are difficult to observe with the naked eye, affecting the accuracy of pull-out tests.

Method used

A 20kV cable accessory testing platform was designed. A hydraulic cylinder drives a tension sensor to perform pull-out tests. Combined with an adjustable guide ring and an embedded magnifying glass, it enables precise observation of the wire lug crimping point. Side plates and transparent plates protect the testing personnel. Positioning components and arc-shaped guide rails are set up to ensure stable positioning of the conductor and convenient observation.

Benefits of technology

It improves the accuracy of wire lug pull-out testing, ensures the safety of testing personnel, prevents metal debris from flying, simplifies the observation process, and improves testing efficiency and accuracy.

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Abstract

The invention provides a 20kV cable accessory test detection platform and detection method, and belongs to the technical field of cable accessory detection. Comprising a working table and further comprises a detection mechanism, the detection mechanism comprises a hydraulic oil cylinder fixed to the top of the working table through a support, a tension sensor is fixed to the telescopic end of the hydraulic oil cylinder, and flat tongs are rotationally connected to the top of the working table and the bottom of the tension sensor. According to the invention, the guide ring and the magnifying lens are arranged, and the magnifying lens is embedded in the adjustable guide ring on the side plate, so that the magnifying observation of the crimping part of the wire nose after the drawing test is realized, and a detector can accurately judge whether micro cracks are generated at the crimping part, and the guide ring can vertically move along the side plate; according to the utility model, the wire nose can rotate in the horizontal direction, so that the crimping parts at different heights can be observed, and meanwhile, the wire nose can rotate in the horizontal direction, so that different positions of the crimping parts can be effectively observed in the horizontal direction, and the detection accuracy of a wire nose drawing test is greatly improved.
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