Rock burst protection device for coal mine

Abstract

The invention relates to the technical field of coal mining, in particular to a coal mine rock burst protection device which comprises position adjusting assemblies, protection assemblies and stretching assemblies, the protection assemblies are arranged above the position adjusting assemblies, and the stretching assemblies located below the protection assemblies are arranged between the position adjusting assemblies; the protective assembly comprises two protective plates which are mutually inserted and connected and can be stretched, two supporting tables which can move relatively are arranged below the protective plates, four position adjusting assemblies which are distributed in an array mode are arranged below the supporting tables, moving plates are arranged at the bottoms of the position adjusting assemblies, pulleys are arranged at the bottoms of the moving plates, and the supporting tables are arranged on the supporting tables. The position adjusting assembly comprises a stand column fixedly connected with the bottom end face of the supporting table, a bottom rod fixedly connected with the upper surface of the bottom plate, an adjusting plate and an adjusting block, according to the rock burst protection device for the coal mine, the coping property of the protection device in different use environments can be effectively improved, the use range is widened, and the device can be widely popularized.

Description

technical field [0001] The invention relates to the technical field of coal mining, in particular to a rock burst protection device for coal mines. Background technique [0002] Coal mines are areas where human beings exploit coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far away from the surface, it is generally selected to excavate the coal by digging the roadway underground, which is an underground coal mine. When the distance between the coal seam and the surface is very short, it is generally chosen to directly strip the surface soil layer to excavate coal, which is an open-pit coal mine. The vast majority of coal mines in my country are underground coal mines. Coal mines include large areas above and below ground and associated facilities. A coal mine is a reasonable space excavated by humans when excavating geological layers rich in coal, usually including roadways, sha...

AI Technical Summary

Problems solved by technology

[0003] At present, during the mining process of existing coal mines, protective devices need to be used to protect underground safety. However, most of the existing protective devices have fixed structures, and the underground environment is complex. A single use function will limit the protection, and the safety cannot be achieved. Meet the needs of use

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