Damaged air duct repair sticker

Abstract

The invention relates to a mining air duct, in particular to a damaged air duct repair sticker. The repair sticker comprises a cloth sticker and binding bands; the cloth sticker comprises an upper cloth sticker body and a lower cloth sticker body; the binding bands are fixed to the edge of the upper cloth sticker body, the upper cloth sticker body and the lower cloth sticker body are sewn into a whole and are the same in shape, the area of the upper cloth sticker body is greater than the area of the lower cloth sticker body, and the center of the upper cloth sticker body and the center of thelower cloth sticker body mutually correspond; a protecting layer is stuck to the upper surface of the upper cloth sticker body, and nylon hook bands A and nylon hook bands B are arranged on the part,not covered with the lower cloth sticker body, of the lower surface of the upper cloth sticker body; the nylon hook bands A are closely next to the lower cloth sticker body, the nylon hook bands B arelocated at the edge of the upper cloth sticker body, skirt edges are arranged at the edge of the lower cloth sticker body, nylon velvet bands A are arranged on the upper surfaces of the skirt edges,and the nylon velvet bands A are mutually matched with the nylon hook bands A; and nylon velvet bands B are arranged corresponding to the nylon hook bands B, and the nylon velvet bands B are mutuallymatched with the nylon hook bands B. The damaged air duct repair sticker is simple in structure, a damaged air duct can be quickly repaired, the time and labor are saved, a lot of cost is saved, and the damaged air duct repair sticker is used at any time.

Description

technical field [0001] The invention relates to a mine air duct, in particular to a repair subsidy for a damaged air duct. Background technique [0002] When the downhole air duct is close to the working face or arranged in the transportation alley, the air volume entering the working face is reduced and the effective air volume entering the working face is reduced due to blasting or equipment tearing back and forth. Poor ventilation of the working surface is caused, which is easy to cause accidents, but the cost of replacing a new air duct every time is high. Contents of the invention [0003] In view of the above deficiencies in the prior art, the technical problem to be solved by the present invention is: to provide a damaged air duct repair subsidy, which has a simple structure, can quickly repair the damaged air duct, saves time and effort, saves a lot of cost, can be used at any time, and can also Replace anytime. [0004] The technical solution adopted by the pres...

AI Technical Summary

Problems solved by technology

[0002] The downhole air duct is close to the working face or arranged in the transportation lane, often due to blasting or equipment tearing back and forth, the air volume entering the working face is reduced, and the effective air volume entering the working face is reduced

Poor ventilation on the working surface is likely to cause accidents, but the cost of replacing the new air duct every time is high

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