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Mine wiring device

A technology for wiring devices and mines, applied in electrical components and other directions, can solve the problems of sealing failure of junction boxes, detachment of shells when electrified, and detonable environmental safety threats, and achieve the effect of preventing wrong opening when electrified.

Inactive Publication Date: 2014-10-22
SICHUAN TIANWEI ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the fact that the junction box in the above-mentioned prior art is likely to be charged and detached from the casing due to illegal operation in actual use, that is, the junction box seal fails, so that the junction head is directly exposed to the atmospheric environment, causing extreme damage to the explosive environment that is prone to occur in coal mines. It is a big security threat and is extremely unfavorable to safe production. The invention provides a mine wiring device

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0026] Such as Figure 1 to Figure 5 , a mine wiring device, including a groove-shaped base 1 and an upper cover 4 connected with the base 1 by bolts or screws, a wiring cavity 11 is formed between the base 1 and the upper cover 4, and the side of the base 1 is also At least one threading pipe 3 is fixed, and a wiring part 2 is also arranged in the wiring cavity 11, and the wiring part 2 includes an incoming line side 21, an outgoing line side 22 and a conducting bar 6, and the incoming line side 21 and the outgoing line side 22 are provided with at least one contact 24, and the contacts 24 on the incoming side 21 and the contacts 24 on the outgoing side 22 are symmetrically arranged in pairs;

[0027] Also be fixed with guide bar 7 on described loam cake 4, be also provided with the screw rod 9 that becomes screw connection with it on the loam cake 4, described screw rod 9 is parallel with the axis of guide bar 7, conducting bar 6 comprises insulating matrix and is arranged o...

Embodiment 2

[0030] The present embodiment is further limited on the basis of embodiment 1, as Figure 1 to Figure 5 , because the base 1 and the upper cover 4 are mostly made of plastic materials in the prior art, no matter for safety considerations or material saving considerations. Failure, the base 1 is fixed with a plurality of threaded seats 12 for connecting the base 1 and the upper cover 4 with bolts or screws, and the threaded seats 12 are all internal threaded metal sleeves embedded in the base 1. In this embodiment The threaded seat 12 is a copper sleeve provided with internal threads.

Embodiment 3

[0032] The present embodiment is further limited on the basis of embodiment 1, as Figure 1 to Figure 5 , in order to ensure the sealing performance between the base 1 and the upper cover 4 , a housing sealing ring is also provided between the connecting end faces of the base 1 and the upper cover 4 .

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Abstract

The invention discloses a mine wiring device. The mine wiring device comprises a base and an upper cover; the base is provided with a conduit; a wiring unit is arranged in a wiring chamber; the wiring unit comprises a wire inlet side, a wire outlet side and a conducting strip; the wire inlet side and the wire outlet side are both provided with contact terminals; a guide rod and a screw are fixed to the upper cover; the conducting strip comprises an insulating substrate and a metal bar; the screw is provided with a lock nut; a seal ring is arranged between the lock nut and the upper cover. The mine wiring device is good in explosion-proof performance and can prevent wiring contactors from being exposed outside to work in the hazardous environment.

Description

technical field [0001] The invention relates to a wire and cable protection device, in particular to a mine wiring device. Background technique [0002] The underground environment of coal mines is special, and there are flammable gases and dusts. Once the above-mentioned gases and dusts reach the explosion limit and encounter any electric sparks, it is very easy to cause serious production safety accidents. Therefore, all kinds of communication, monitoring, instrumentation and automation in mines It is particularly important for system equipment such as explosion-proof function. [0003] Underground coal mines have many lighting facilities and power equipment, and junction boxes are indispensable equipment in the process of zero-time long line and cable wiring. In actual use, the above junction box is prone to electrification and detachment due to illegal operation, that is, the junction box seal fails, so that the junction head is directly exposed to the atmospheric envir...

Claims

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Application Information

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IPC IPC(8): H02G3/08H02G3/16H02G3/14
Inventor 杨海燕陈和兵黄成国汪小婷
Owner SICHUAN TIANWEI ELECTRONICS
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