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Multifunctional trolley of switch cabinet

A multifunctional switchgear technology, which is applied in the direction of pull-out switchgear, switchgear, switchgear grounding device, etc., can solve the problems of increasing the manufacturing cost of the middle-mounted switchgear, achieve simple structure, reduce manufacturing cost, The effect of avoiding waste

Inactive Publication Date: 2012-01-11
JIANGSU ZHENAN ELECTRIC POWER EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structures of these trolleys are not much different, but their functions are different, which increases the manufacturing cost of the central switchgear and causes the trolleys to be idle.

Method used

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  • Multifunctional trolley of switch cabinet
  • Multifunctional trolley of switch cabinet
  • Multifunctional trolley of switch cabinet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Such as Figure 1 ~ Figure 3 As shown, the present invention comprises an L-shaped trolley body 1, three upper contact arms 2 and three lower contact arms 3 which are divided into two rows up and down. The roller 11 that rolls on the inner track of the cabinet cabinet is convenient to the movement of the present invention. The 2 rear ends of each upper contact arm and the 3 rear ends of the lower contact arm are respectively fixed on the inside of the vertical plate 12 of the trolley body 1, and the front ends of each upper contact arm 2 are fixedly connected with the upper moving contact 21 respectively, and each lower contact The front ends of the arms 3 are respectively fixedly connected with the lower moving contacts 31, the front ends of the upper contact arms 2 and the front ends of the lower contact arms 3 are respectively covered with insulating sleeves 4, and the rear ends of each upper contact arm 2 and the rear ends of the lower contact arms 3 are respectivel...

Embodiment 2

[0020] Such as Figure 4 ~ Figure 5 As shown, the radial direction of the operating handle 91 and the disc 92 in this embodiment is connected in a plug-in type. When in use, one end of the operating handle 91 is inserted into the radial side of the disc 92 . The rest of the structure of this embodiment is the same as that of Embodiment 1.

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Abstract

The invention discloses a multifunctional trolley of a switch cabinet. The multifunctional trolley comprises a trolley body, three upper contact arms and three lower contact arms, wherein the rear ends of the upper and the lower contact arms are fixed on the inner side of the trolley box respectively; front ends of the upper contact arms are fixedly connected with upper moving contacts respectively; front ends of the lower contact arms are fixedly connected with lower moving contacts; insulation sleeve boxes are sheathed on the front ends of the upper and the lower contact arms respectively; rear ends of the upper and the lower contact arms are internally provided with a sensor respectively; the external side of the trolley body is provided with a live display and an earthing knifeswitch; the inner side of the trolley body is also provided with an earthing bar of which the upside is hinged with one end of the earthing knifeswtich and the downside of the earthing knifeswitch is connected with the trolley body; and when the earthing knifeswitch is switched on, the other end of the earthing knifeswtich is connected with an upper contact arm connection seat. The multifunctional trolley is simple in structure and low in cost and is convenient to maintain and detect. The multifunctional trolley disclosed by the invention integrates the earthing function and the electricity check function and can serve multiple purposes, thus reducing manufacturing cost and avoiding waste caused by the configuration of multiple trolleys.

Description

technical field [0001] The invention relates to a switch cabinet trolley, in particular to a multifunctional trolley used in a central switch cabinet, and belongs to the technical field of power supply and distribution equipment. Background technique [0002] At present, in the power transformation and distribution of power plants, substations, industrial and mining enterprises, and high-rise buildings, the middle-mounted switchgear is more widely used. The inspection and maintenance of the central switchgear requires the use of various trolleys, such as electric testing trolleys, grounding trolleys, etc. The structures of these trolleys are not much different, but their functions are different, which increases the manufacturing cost of the central switchgear and causes the trolleys to be idle. Contents of the invention [0003] The purpose of the present invention is to provide a combined trolley with simple structure, convenient maintenance, disassembly and detection. ...

Claims

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Application Information

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IPC IPC(8): H02B11/167H02B11/28H01H21/22
Inventor 沈巍叶小松吴振飞邢鸣周宝鸿
Owner JIANGSU ZHENAN ELECTRIC POWER EQUIP
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