Mining flame-proof lighting signal comprehensive feed switch

A technology for lighting signals and feed switches, applied in the field of feed switches, can solve the problems of reduced connection strength between the casing and the cover plate, affecting the explosion-proof performance of the feed switch, easy rusting of bolts, etc., achieving convenient disassembly and assembly and improving stability. , good explosion-proof effect

Pending Publication Date: 2022-03-04
浙江浦东矿用设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the shell and cover plate in the existing flameproof mine feeder switch are usually connected by bolts. However, the bolts are prone to rust after being exposed to the humid environment undergroun

Method used

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  • Mining flame-proof lighting signal comprehensive feed switch
  • Mining flame-proof lighting signal comprehensive feed switch
  • Mining flame-proof lighting signal comprehensive feed switch

Examples

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Effect test

Embodiment Construction

[0036] Contraction below Figure 1-3 Further detailed description of the present application.

[0037] The present application example discloses a combined feed switch of a mining explosive illumination signal.

[0038] Refer figure 1 The integrated feeding switch of the mine explosion-proof type lighting signal includes a casing 1 and a cover plate 2, an electrical component is mounted inside the cover 1, and the cover plate 2 is detachably connected to the top of the cover 1 through the four sets of mounting assemblies 3, The four sets of mounting assemblies 3 are located at the four corners of the cover plate 2, and functions to connect the cover plate 2 and the housing 1. The top, bottom, upper, and lower orientation of the above top and below are the aims of reference to the illustration, and is not absolute definitely limited to the structure orientation in this application.

[0039] Refer figure 1 , figure 2Each group of mounting assemblies 3 includes a positioning block 31 ...

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PUM

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Abstract

The invention relates to a mining flame-proof lighting signal comprehensive feed switch, which comprises a housing and a cover plate, and the housing and the cover plate are detachably connected through at least two groups of mounting assemblies. The mounting assembly comprises a positioning block, a connecting rod fixedly arranged on the positioning block, a positioning spring arranged on the outer side of the connecting rod in a sleeving mode, a limiting block arranged on the side wall of the connecting rod in a sliding mode and an elastic piece used for driving the limiting block to move out of the connecting rod, and the positioning spring is connected between the positioning block and the cover plate in an abutting mode. The limiting block abuts against the side, away from the cover plate, of the housing when moving out of the connecting rod. The housing and the cover plate are both provided with receding holes for the connecting rod to penetrate out, the cross section of the receding holes and the cross section of the connecting rod are both circular, and the inner diameter of the receding holes is larger than the diameter of the connecting rod and smaller than the length of the positioning blocks. The connecting structure has the effect that the connecting strength of the housing and the cover plate can be effectively guaranteed.

Description

Technical field [0001] The present application relates to the technical field of feed switches, in particular, relates to a smaller feed switch of mining explosive illumination signals. Background technique [0002] With the continuous improvement of coal mining, the distance between mine roadway is also increasing, and the mining explosive feedstock is one of the indispensable equipment in the coal mine in the coal mine, and is widely used in coal mine downhys. Other surrounding media contains an explosive gas. [0003] At present, the cover and cover of the existing mining explosive feed switch typically use bolt connections, but the bolts are easily rusted after the bolt is in a well-wet environment, causing the connection strength of the housing and the cover to decrease, and even affect the feed. The explosion-proof performance of the electric switch needs to be improved. Inventive content [0004] In order to ensure the connection strength of the cover and the cover, the p...

Claims

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Application Information

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IPC IPC(8): H01H9/02H01H9/04
CPCH01H9/02H01H9/04
Inventor 叶树良赵崇进
Owner 浙江浦东矿用设备有限公司
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