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Interlocking mechanism of switch cabinet

A switchgear and interlocking technology, applied in the field of switchgear, can solve the problems of inconvenient maintenance of equipment in the cabinet, large quantity and large space in the cabinet, etc.

Active Publication Date: 2018-05-04
XINERDE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing chain mechanisms of this type are usually complex in structure, often using parts such as lock plates, retaining rods, and lock pins, which not only have a large number, but also occupy a large space in the cabinet, which brings inconvenience to the maintenance of the equipment in the cabinet.

Method used

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  • Interlocking mechanism of switch cabinet
  • Interlocking mechanism of switch cabinet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 , 2 As shown, an interlocking mechanism of a switch cabinet includes a push switch 2 installed on a cabinet body 1, the push switch 2 drives a short shaft 3, and the short shaft 3 drives the first crank arm 4 so that the first pin shaft 5 Shrinking backward, at this time, the middle door bolt 9 of the middle door 6 of the cabinet body 1 is released on the movement path, and the first crank arm 4 drives the main shaft 14 to move upward, so that the bottom door bolt 10 on the switch cabinet is released on the movement path .

[0020] Preferably, the push switch 2 is a switch of the grounding device inside the cabinet body 1 .

[0021] Preferably, the cabinet body 1 is provided with a middle door 6, a bottom door 7, and a top door 8, and the push switch 2 is located inside the middle door 6, and the middle door 6 is provided with a hole 11, through which the hole 11 can be directly pressed to press switch 2.

[0022] Preferably, both the short shaft 3 ...

Embodiment 2

[0025] An interlocking mechanism of a switch cabinet, including a push switch 2 installed on a cabinet body 1, the push switch 2 drives a short shaft 3, and the short shaft 3 drives a first crank arm 4 so that the first pin shaft 5 shrinks backward Now, the middle door bolt 9 of the middle door 6 of the cabinet body 1 is released on the motion path, and the first crank arm 4 drives the main shaft 14 to move upwards, so that the bottom door bolt 10 on the switch cabinet is released on the motion path.

[0026] Preferably, the push switch 2 is a switch of the grounding device inside the cabinet body 1 .

[0027] Preferably, the cabinet body 1 is provided with a middle door 6, a bottom door 7, and a top door 8, and the push switch 2 is located inside the middle door 6, and the middle door 6 is provided with a hole 11, through which the hole 11 can be directly pressed to press switch 2.

[0028] Preferably, both the short shaft 3 and the first crank arm 4 are located inside the m...

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PUM

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Abstract

The invention provides an interlocking mechanism of a switch cabinet and relates to the field of switch cabinets. The interlocking mechanism comprises a press switch mounted on a cabinet body and drives a short shaft, the short shaft drives a first crank arm to enable a first pin to retract backwards, at the moment, a middle door bolt of a middle door of the cabinet body is released on the motionpath, and the first crank arm drives a main shaft to move upwards, so that a bottom door bolt on the switch cabinet is released on the motion path. The invention provides the interlocking mechanism ofthe switch cabinet, the middle door and a bottom door on the cabinet body can be opened by opening a grounding device firstly via the interlocking mechanism, the safety guarantee of maintenance staffis improved, and the interlocking mechanism is simple in structure, contains few parts, occupies small space in the cabinet and facilitates maintenance of equipment in the cabinet body.

Description

technical field [0001] The invention relates to the field of switch cabinets, in particular to an interlocking mechanism of a switch cabinet. Background technique [0002] In the existing fixed high-voltage switchgear, in order to prevent the staff from accidentally pulling the load, closing the isolating switch by mistake, and entering the live interval by mistake, a mechanical interlock mechanism is usually installed between the circuit breaker and the isolating switch to ensure that only when the circuit breaker is disconnected Only when the isolating switch is closed can the disconnector be pulled down; otherwise, the circuit breaker can only be closed when the isolating switch is closed in advance. Yet existing this type of interlocking mechanism is usually complex in structure, often adopts parts such as lock plate, retaining bar, lock pin, not only quantity is large, and the space in the cabinet is taken up big, brings inconvenience to the maintenance of the equipment...

Claims

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Application Information

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IPC IPC(8): H01H9/22
Inventor 郑逸扬郑文秀
Owner XINERDE TECH