Mask for mine tunnel and lens surface treatment method thereof

Abstract

The invention discloses a mask for a mine tunnel. The mask includes a fixing part used for being worn by a user and a lens arranged in front of the eyes of the user, the surface of the lens is polished, a silica gel film is attached to the outer surface of the lens, a frame used for fixing is arranged at the joint of the lens and the fixing part, and a scraping rod used for wiping the outer surface of the lens is arranged at the bottom of the lens; the invention further discloses a surface treatment method for the mask lens. The surface of the lens is subjected to polishing and film attachingtreatment; through adoption of the technical scheme, the sight of a commander and a fighter is clear after the commander and the fighter wear the mask, the service life of the lenses is prolonged, andthe mask replacement cost is reduced.

Description

technical field [0001] The invention belongs to the field of coal mining, and more specifically, the invention relates to a surface treatment method for face mask lenses. Background technique [0002] In the process of coal mining, due to reasons such as the service life and the use environment, the 243 commanders and fighters of the whole brigade generally had blurred full-face mask lenses of different severity; the prevalence of blurring caused the commanders and fighters of the whole brigade to replace the masks accordingly. The lens has a low rate of replacement and cannot be replaced one by one. The frequency of contact between the lens and the outside world is high. Even if every team member is replaced, the damage rate will be high during use. It causes the commanders and fighters to lose their sight, which affects their psychological and technical capabilities in emergency rescue and disaster relief operations. The cost of each face mask safety film is 400 yuan. If e...

AI Technical Summary

Problems solved by technology

[0002] In the process of coal mining, due to reasons such as the service life and the use environment, the 243 commanders and fighters of the whole brigade generally had blurred full-face mask lenses of different severity; the prevalence of blurring caused the commanders and fighters of the whole brigade to replace the masks accordingly. The lens has a low rate of replacement and cannot be replaced one by one. The frequency of contact between the lens and the outside world is high. Even if every team member is replaced, the damage rate will be very high during use.

Causes commanders and fighters to lose sight, affecting their psychological and technical capabilities in emergency rescue and disaster relief operations; each face mask cost 400 yuan, if each commander replaces it every time, the cost of each replacement is high

Images