Lifting platform for testing electrical insulation performance of dry composite insulation wall-through bushing

Abstract

The utility model relates to a dry-type composite insulating wall-piercing bushing electrical insulation performance test lifting platform, which belongs to the technical field of high-voltage testing in the electric power industry, and in particular relates to a dry-type composite insulating wall-piercing bushing electrical insulation performance test lifting platform. The invention provides a high-efficiency and accurate dry-type composite insulating wall-piercing bushing electrical insulation performance test lifting platform. The invention includes a pressure equalizing cap at the end of a dry-type composite insulating wall bushing, a flange pressure equalizing ring, an insulating outer cylinder and an insulating inner cylinder. On the metal base support plate, a hydraulic pump is arranged on the metal base support plate in the middle of the insulating outer cylinder. The upper end of the hydraulic pump is connected with a hydraulic cylinder. The outlet of the hydraulic pump is connected with the hydraulic oil inlet of the hydraulic cylinder. The middle parts of the transverse connecting arms are connected.

Description

technical field [0001] The invention belongs to the technical field of high-voltage testing in the electric power industry, and in particular relates to a lifting platform for testing electrical insulation performance of a dry-type composite insulating wall-piercing bushing. Background technique [0002] The wall bushing is an important electrical appliance widely used in the power system, which enables the high-voltage wires to pass through the grounded wall safely and connect with other electrical equipment. The working conditions of wall bushings in operation are severe, and often cause power grid accidents due to gradual deterioration or damage. In order to ensure its safe operation, according to the relevant provisions of GB50150-2006 "Electrical Equipment Handover Test Standard for Electrical Installation Engineering" and DL / T596-1996 "Preventive Test Regulations for Electric Equipment", electrical tests must be carried out on it regularly. With the expansion of power...

AI Technical Summary

Problems solved by technology

However, due to the stray capacitance caused by objects such as hooks, slings, leads, and frames used in this method, and the surrounding environment, it is easy to cause interference such as corona, electromagnetic, and noise, which directly affects the accuracy of the data and cannot truly reflect the through-wall sleeve. At the same time, cumbersome links such as hoisting and unloading will easily cause damage to the wall bushing, and also waste huge manpower and material resources.

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