High-voltage centrally-installed switchgear with automatically-controlled drawing-out unit part

Abstract

The invention discloses a high-voltage centrally-installed switchgear with an automatically-controlled drawing-out unit part. The high-voltage centrally-installed switchgear comprises a cabinet body, wherein a bottom plate is arranged inside the cabinet body and is used for placing a drawing-out unit, a cabinet door is further arranged outside the cabinet body, first power-driven telescopic rods are separately and movably arranged at the two inner sides of the cabinet body, an output end of each first power-driven telescopic rod is movably connected with one side of the cabinet door, a sliding rail is arranged at each of the two sides of the bottom plate, four corners at the lower part of the drawing-out unit are separately and movably connected with the sliding rails at the two sides of the bottom plates through a group of sliding blocks, a connection block is further arranged at the middle position of the lower part of the drawing-out unit, a second power-driven telescopic rod is arranged on the inner wall of the cabinet body at the lower rear part of the drawing-out unit, and an output end of the second power-driven telescopic rod is connected with the connection block under the drawing-out unit. The centrally-installed switchgear can be automatically drawn out, the drawing-out unit also can be supported without any external support element, and the repair work of a maintainer is greatly facilitated.

Description

technical field [0001] The invention relates to a power distribution cabinet, in particular to a high-voltage central cabinet with automatic control extraction unit parts. Background technique [0002] The central cabinet is called the metal armored central removable switchgear. It is a high-voltage power distribution device with a maximum working voltage of 3.6 / 7.2 / 12kV. It is an indoor complete power distribution device for a three-phase AC 50Hz single-bus section system or a double-bus section system. It is used to receive and distribute 3.6-12kV network power, and implement control, protection, monitoring and measurement of power circuits. The central switchgear is mainly used in power plants, power transmission of small and medium-sized generators, power reception and power transmission of secondary substations in power systems, power distribution of industrial and mining enterprises, and starting of large high-voltage motors. [0003] When the traditional central cab...

AI Technical Summary

Problems solved by technology

[0003] When the traditional central cabinet is overhauled, it needs to be equipped with an external support trolley, such as figure 1 As shown, when pulling out 100 of a drawer unit, it is necessary to use an external support trolley 200 as the support of the drawer unit. In this way, it is necessary to carry a support troll

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