Four-column and double-swing-beam type gangue filling hydraulic support

Abstract

The invention relates to a four-column and double-swing-beam type gangue filling hydraulic support, comprising a front top beam, a Y-shaped upper connecting rod, a rear top beam hinged with the front top beam, columns, a balance jack, a swing beam, a swing beam jack, a rear connecting rod, a front connecting rod, a base, a pushing frame, a pushing jack, an upper swing beam jack and an upper swing beam, wherein the columns are supported between the front top beam and the base and between the rear top beam and the base; the upper end of the Y-shaped upper connecting rod is hinged on a hinged point of the front top beam and the rear top beam; the Y-shaped upper connecting rod, the front connecting rod, the rear connecting rod and the base are hinged in pairs to form a four-connecting-rod structure; the upper part and the lower part of the swing beam jack are hinged with the rear top beam and the swing beam respectively so as to regulate the swing beam; one end of the upper swing beam jack is hinged with a lug at the rear end of the rear top beam, and the other end of the upper swing beam jack is hinged with the upper swing beam. According to the four-column and double-swing-beam type gangue filling hydraulic support, not only a top plate is supported during the coal mining, but also a mined-out area is filled, so that the supporting operation and the filling operation are integrated.

Description

technical field [0001] The invention relates to supporting equipment for a comprehensive mechanized coal mining face in a coal mine, in particular to a new hydraulic support integrated with supporting and filling for goaf filling. Background technique [0002] my country is rich in coal resources, fully mechanized mining equipment is mature, and coal mining technology is becoming more and more perfect. To solve the problem, my country has liberated the "three lower" coal pressing and improved the coal recovery rate by adopting traditional strip mining, relocating villages, filling mining and other technical measures. However, with the increase of mining depth, the increase of village relocation cost and the improvement of filling technology, the filling mining technology has become a trend of vigorous development. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a four-column double pendulum beam type gangue filling hydraulic support, w...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a four-column double-swing beam gangue-filled hydraulic support, which effectively solves the problem of insufficient safety and integration of goaf filling support

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