Rock burst flexible protective net device

Abstract

The invention relates to a rock burst flexible protective net device, and belongs to the technical field of rock burst. The rock burst flexible protective net device comprises a frame body and a support, wherein the frame body is defined by a supporting edge and a reinforcing edge, a protective net is fixed inside the frame body through the supporting edge and the reinforcing edge, and the protective net is a flexible protective net; hinge holes are formed in the two ends of the supporting edge, and the support is hinged to the tail end of the frame body through the hinge hole in the tail end of the supporting edge; a piston rod of a gas spring is hinged to the front end of the frame body through the hinge hole in the front end of the supporting edge; a boss is welded to the middle of the support, and the tail end of a gas spring rod is hinged to the boss; and a manual valve is installed at an air outlet hole in the tail end of the gas spring rod. According to the rock burst flexible protective net device, after a rock burst accident of rock cracking occurs, broken stones can be buffered and borne, and the lifting of the protective net at one end can be manually realized, so that the broken stones on the protective net are slowly released, the cleaning mode of the broken stones is simple and effective, and as a result, safety accidents during broken stone cleaning can be avoided.

Description

technical field [0001] The invention belongs to the technical field of rock burst, in particular to a flexible protection net device for rock burst. Background technique [0002] Rock burst is a phenomenon in which the elastic variable energy accumulated in a rock mass is suddenly and violently released under certain conditions, causing the rock to burst and be ejected. Rockburst often causes serious damage to the excavation face, equipment damage, and casualties. Currently, rockburst is one of the main hidden dangers faced by deep mines, and has become a worldwide problem in the field of rock underground engineering and rock mechanics. At present, in order to deal with the damage caused by rock burst, supporting devices are installed in the roadway to support and protect the roadway. However, the support device can only provide one support for the roadway as a whole, but there may still be rock bursts in the gaps between the support devices, and the burst rocks will threat...

AI Technical Summary

Problems solved by technology

However, the support device can only provide one support for the roadway as a whole, but there may still be rock bursts in the gaps between the support devices, and the burst rocks will pose a threat to the staff and equipment

[0003]Based on the above reasons, now many support devices are supplemented with protective nets on the top, which can block the bursting rocks to a certain extent, but currently these protective net structures can only Cover the rocks to prevent them from harming the staff and equipment below, but the rocks on the protective net are difficult to collect. Usually, the protective net needs to be disassembled to release the rocks on it

In the process of dismantling the protective net, it is also prone to safety accidents where gravel pours down.

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