Circulating self-moving type roadway advanced-support hydraulic support

Abstract

The invention discloses a circulating self-moving type roadway advanced-support hydraulic support. The circulating self-moving type roadway advanced-support hydraulic support comprises auxiliary suspension frames, face-end supports and a retractable supporting and protecting assemblies, wherein the auxiliary suspension frames and the face-end supports are arranged oppositely, and the retractable supporting and protecting assemblies are arranged side by side with the auxiliary suspension frames and the face-end supports; the circulating self-moving type roadway advanced-support hydraulic support further comprises flexible gearings which are used for moving the retractable supporting and protecting assemblies, and the flexible gearings comprise flexible tracks, driving wheels and driven wheels for driving the flexible tracks; the retractable supporting and protecting assemblies comprise bases, supporting beams for supporting a top plate and upright posts for lifting the supporting beams,wherein the upright posts are arranged on the bases and hinged to the supporting beams; and the supporting beams are provided with lifting lugs matched with the flexible tracks, and the driving wheels and the driven wheels are both provided with grooves matched with the lifting lugs for conveying the retractable supporting and protecting assemblies. The circulating self-moving type roadway advanced-support hydraulic support has fast moving speed and convenient operation, a roof of a roadway cannot be repeatedly supported, the actual use needs of the roadway can be met, and the safe and efficient production of a coalface is facilitated.

Description

technical field [0001] The invention relates to comprehensive mechanized coal mining roadway support equipment in coal mines, in particular to a circulating self-moving roadway advance support hydraulic support. Background technique [0002] The support along the channel of the modern mechanized coal mining face is very important, which directly affects the coal mining operation, ventilation and safety of the working face. The geological conditions of the roadway are complex, and the horizontal stress and vertical stress distribution of the rock formation are different. The mining vibration of the working face of the tunnel roadway will increase the stress of the roadway, the roof will sink or fall off, and the two sides of the roadway will also shrink inward, which directly affects the coal mining operation. and personnel safety, especially about 20 meters in front of the fully mechanized mining face, affected by the stress concentration in front of the fully mechanized min...

AI Technical Summary

Problems solved by technology

[0003] In view of this, the purpose of the present invention is to provide an advanced support hydraulic support capable of cyclic self-moving, which solves the problem of repeated support of the roadway support bracket to the roadway roof in the prior art, slow moving speed, complicated operation, etc. problem, specifically through the following technical solutions:

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