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Drawer interlocking mechanism of low-voltage load switch box

A technology of low-voltage load and interlocking mechanism, which is applied in the direction of switchgear, pull-out switchgear, electrical components, etc., which can solve problems such as troublesome operation, difficult assembly, and large volume, and achieve convenient operation, reliable structure, and personal safety protection Effect

Active Publication Date: 2015-07-08
QINGYUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, interlocking mechanisms are installed in some switch boxes, but the operation is troublesome, the mechanism design is complicated, the volume is large, and the assembly is difficult

Method used

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  • Drawer interlocking mechanism of low-voltage load switch box
  • Drawer interlocking mechanism of low-voltage load switch box
  • Drawer interlocking mechanism of low-voltage load switch box

Examples

Experimental program
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Embodiment Construction

[0016] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings.

[0017] as attached figure 1 As shown, a drawer interlocking mechanism of a low-voltage load switch box includes a left push rod 21, a right push rod 22 and a lock between the left push rod 21 and the right push rod 22 arranged in the drawer of the low-voltage load switch box. Sheet 3, one end of the locking sheet 3 is movably connected to the mounting part 4 fixed on the upper surface of the drawer bottom plate, and the other end corresponds to the through hole 5 opened on the drawer bottom plate, and the position of the through hole 5 is located on the bottom surface of the drawer bottom plate. The front top of the screw mandrel 18. On the bottom plate of the drawer, a reset member connected with the lock piece 3 is also arranged, and the reset member includes a connector 6 and an extension spring ...

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PUM

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Abstract

The invention provides a drawer interlocking mechanism of a low-voltage load switch box, comprising a left push rod, a right push rod and a locking plate between the left push rod and the right push rod in a drawer on the low-voltage load switch box, wherein one end of the locking plate is movably connected with an installation part which is fixed on the upper surface of a drawer bottom plate, and the other end of the locking plate corresponds to a though hole on the drawer bottom plate; the drawer bottom plate is provided with a reset part connected with the locking plate; the reset part comprises a connecting piece and a tension spring; the connecting piece is fixed on the lower surface of the drawer bottom plate; and one end of the tension spring is arranged on the connecting piece and the other end of the tension spring is connected with the locking plate. The drawer interlocking mechanism is convenient to operate and reliable in structure, can protect operators effectively, and meets requirements in safety specifications.

Description

technical field [0001] The invention relates to a low-voltage load switch box, in particular to a drawer interlocking mechanism of the low-voltage load switch box. Background technique [0002] The low-voltage load switch box is a load control device that works on the low-voltage grid line. Under the current power distribution technology conditions, it is impossible to operate safely when the power grid line is live, otherwise it will easily bring danger to the operator, and even endanger life in severe cases. Therefore, a corresponding interlock mechanism is usually provided in the switch box to disconnect or connect the power supply in the switch box, so as to realize the work of first cutting off the power and then performing line maintenance and repair. At present, interlocking mechanisms are installed in some switch boxes, but the operation is cumbersome, the mechanism design is complicated, the volume is large, and the assembly is difficult. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B11/133H02B11/173
Inventor 刘小平万宇明王齐民陈端欧阳周明
Owner QINGYUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD
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