Mining explosion-proof wireless antenna leading-in device and installation method thereof

Abstract

The invention discloses a mining explosion-proof wireless antenna leading-in device and an installation method thereof. The device comprises an explosion-proof sleeve and a sealing pressing piece, a radio frequency cable passes through the sealing pressing piece, an explosion-proof shell and the explosion-proof sleeve, the explosion-proof sleeve comprises an explosion-proof outer sleeve and an explosion-proof inner sleeve, and the explosion-proof inner sleeve and the explosion-proof outer sleeve are in explosion-proof threaded connection; the sealing pressing piece comprises a pressing disc, asealing cylinder and a sealing gasket, wherein the pressing disc, the sealing cylinder and the sealing gasket all extend into the explosion-proof shell; the radio frequency cable sequentially penetrates through the pressing disc, the sealing cylinder, the sealing gasket, the explosion-proof shell and the explosion-proof inner sleeve, and the space between the radio frequency cable and the explosion-proof inner sleeve is filled with epoxy resin; the method comprises the following steps: 1, testing the explosion-proof outer sleeve and the explosion-proof inner sleeve; 2, testing a sealing pressing piece; 3, testing the explosion-proof shell; 4, mounting an explosion-proof sleeve, a sealing pressing piece and a radio frequency cable; 5, testing the wireless antenna leading-in device. According to the invention, wireless operation is safe and reliable, and the device can be applied to mining explosion-proof equipment.

Description

technical field [0001] The invention belongs to the technical field of explosion-proof equipment, and in particular relates to a mine flameproof wireless antenna introduction device and an installation method thereof. Background technique [0002] With the development of coal mining equipment, in order to improve the reliability and safety of mining equipment, more and more coal mining equipment uses wireless control devices to realize wireless control functions and remote measurement of coal mining machinery operating parameters and fault status. The environment is complex and there are many emergencies. Operators need to receive various working parameters of coal mine equipment in time, find faults and hidden dangers in time, and take corresponding measures for coal mine equipment. A mine with high reliability and high sensitivity is required. Transmitting (receiving) means with a device. [0003] At present, the following two signal transmitting (receiving) devices are g...

AI Technical Summary

Problems solved by technology

[0003] At present, the following two signal transmitting (receiving) devices are generally used: one is to place the signal transmitting and receiving antenna on the inner wall of the flameproof shell. Shielding effect, the signal strength attenuation of the transmitting and receiving antenna is very serious, which greatly shortens the maneuverable distance

The other is to transmit signals through the through-wall terminal connected between the mine flameproof shell and the wiring cavity. Because there are other control lines in the through-wall terminal, it is easy to affect the wireless signal of the transceiver antenna.

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