Thin coal seam unmanned automated mining mode

Abstract

The invention discloses a drum-coal-mining-machine-based thin coal seam unmanned automated mining technology. The technology has the characteristics that: persons do not exist on an operating surface; operators know about conditions of the operating surface through video in a control center far from the operating surface and simultaneously complete various kinds of operation; video signals and control instructions are transmitted through a wireless switch; a coal mining machine has a function of memory cutting and is provided with a position monitoring device and an infrared transmitter at the same time, coal is automatically cut according to a preprogram, and operation parameters such as positions, directions and the like are sent out at any time; a bracket controller receives the parameters, automatically drives an electric hydraulic control valve to do actions of column lowering, frame moving, pushing, column erecting and the like according to the preprogram, and a hydraulic bracket is pushed to move forward along with the coal mining machine, so that the unmanned automated mining on the operating surface is realized; and when the thickness of coal seams, and top and bottom boards are changed, the operators regulate operation programs and the parameters in the control center and perform manual intervention on the coal mining machine and the hydraulic bracket, so that the remote-control unmanned automated mining on the operating surface is realized.

Description

technical field [0001] The invention relates to a quasi-unmanned automatic coal mining mode for a thin coal seam, in particular to a quasi-unmanned automatic coal mining method for a working face with a coal seam thickness of 0.8-1.3m. Background technique [0002] A thin coal seam refers to a coal seam with a thickness of 0.8-1.3m. my country's thin coal seam resources are abundant and widely distributed. Among the proven mining areas, 84.2% of the mining areas have thin coal seams, and the recoverable reserves of thin coal seams are 6.15 billion tons, accounting for about 19% of the total recoverable reserves, of which 0.8-1.3m gently inclined thin coal seams account for about 73.4%. Due to the narrow working space of thin coal seam mining, coal mining, coal loading, coal transportation, and equipment installation and operation are extremely difficult, and the problems of low equipment, small size, high power, and high automation required for high production and high effi...

AI Technical Summary

Problems solved by technology

Due to the narrow working space of thin coal seam mining, coal mining, coal loading, coal transportation, and equipment installation and operation are extremely difficult, and the problems of short equipment, small size, high power, and high automation required for high production and high efficiency have always been difficult to solve

For a long time, domestic thin coal seams have mostly been mined by blasting or low-power units, which has high labor intensity, poor safety, low efficiency, and poor benefits. Many mining areas have abandoned thin coal seams, and the output of thin coal seams only accounts for 6-6% of the total coal production in the country. 7%, serious waste of resources

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