Coal mine roadway supporting device

Abstract

The invention discloses a coal mine roadway supporting device. The coal mine roadway supporting device comprises a bottom plate, wherein a first roadway supporting plate and a second roadway supporting plate are symmetrically mounted at the upper end of the bottom plate, a groove is formed in one side of the first roadway supporting plate, a controller is arranged in the groove, and supporting sleeves are fixedly mounted at the upper ends of the first roadway supporting plate and the second roadway supporting plate correspondingly. A rocking handle rotates to drive a first driving bevel gear and a first driven bevel gear to rotate, a one-way screw rod is driven to rotate, the one-way screw rod rotates to drive a lifting pipe to rise, a first sliding groove and a first sliding block are matched to limit the lifting pipe during rising and falling, a roadway top supporting plate is lifted through rising and falling of the lifting pipe, a T-shaped rod rotates to drive a second driving bevel gear and a second driven bevel gear to rotate, the second driven bevel gear rotates to drive a two-way screw rod to rotate, the two-way screw rod stretches out and draws back through a telescopic pipe connected with the two-way screw rod in a sleeving mode through a second internal thread, and the two sides of the inner wall of the roadway top supporting plate are supported.

Description

technical field [0001] The invention belongs to the technical field of roadway support equipment, in particular to a coal mine roadway support device. Background technique [0002] As a traditional energy source, coal has always occupied a large proportion in my country's national economy. With the construction of modern mines, it is a major focus of safety issues to ensure the safety and smoothness of roadways when dealing with various geological environments underground. Coal mines There are various roadways with many names, such as main alley, return air alley, transportation level alley, auxiliary alley, etc. Among them, the main function of the main alley is for ventilation and transportation, and the return air alley is used for excavation, development, and coal mining. The return air of the working face, the transport level roadway is used as the level roadway for transportation, and the auxiliary roadway is used as the auxiliary roadway in the mining area. These roadwa...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a coal mine roadway support device to solve the problem that the existing coal mine roadway support device proposed in the above background technology has different heights at the top of the roadway, so it is difficult to provide good support for the top of the roadway. The support position of the roadway support device cannot be adjusted according to the height of the roadway top

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