Equipment for testing bending and torsion resisting performances of electrical insulator

Abstract

The invention relates to equipment for testing the bending and torsion resisting performances of an electrical insulator. The equipment is characterized in that: the equipment comprises a slewing worktable, an upright post, a cross beam assembly and a lifting driving mechanism; the upright post is vertically fixed above the slewing worktable; the lifting driving mechanism arranged at the top end of the upright post comprises a screw rod, a speed reducer and a lifting coder; the screw rod is connected with a screw rod nut in the upright post, the top part of the screw rod is connected with the speed reducer, a linear guide rail is arranged on the side wall of the upright post, and the cross beam assembly is connected with the upright post by the linear guide rail in a sliding manner; a bending pressure head, a bending load sensor, a bending displacement coder and a torsion block are arranged on the cross beam assembly; a bending oil cylinder is connected at the rear of the bending pressure head, the bending displacement coder is arranged on the bending oil cylinder, a torsion load sensor is arranged on the torsion block, and the position of a groove of the torsion block is corresponding to that of a test piece fixing seat on the slewing worktable. With the characteristics of saving space and being convenient for use, the equipment can accurately detect the bending and torsion resisting performances of the electrical insulator.

Description

technical field [0001] The invention relates to a device for testing the bending and torsional performance of insulator products in a laboratory or production process, and in particular provides a device for testing the bending and torsional performance of power insulators. Background technique [0002] The post insulators used in the original electric power are mainly ceramics, and the tests are also based on the performance of ceramics. Since the deformation of ceramic post insulators is small, it is not necessary to accurately test their bending and torsional performance. However, with the development of composite insulators With popular use, the allowable deformation of insulators is also increasing, and the structure and working mode of the original testing equipment cannot meet the requirements for accurate testing of the performance of composite insulators; moreover, the testing functions of existing testing equipment are usually single, Or it can only detect the bend...

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Problems solved by technology

[0002] The post insulators used in the original electric power are mainly ceramics, and the tests are also based on the performance of ceramics. Since the deformation of ceramic post insulators is small, it is not necessary to accurately test their bending and torsional performance. However, with the development of composite insulators With popular use, the allowable deformation of insulators is also increasing, and the structure and working mode of the original testing equipment cannot meet the requirements for accurate testing of the performance of composite insulators; moreover, the testing functions of existing testing equipment are usually single, Or it can only detect the bending performance, or it can only detect the torsional performance. If two kinds of performances are to be tested, two kinds of testing equipment, bending and torsion, are required, which occupy space and cost

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