Arch tunnel drivage non-repeated-support self-moving complete equipment

Abstract

The invention belongs to the technical field of the underground coal mine fully-mechanized excavating face temporary support. In order to solve the above problem existing in the current underground coal mine temporary support, the invention provides arch tunnel drivage non-repeated-support self-moving complete equipment. The arch tunnel drivage non-repeated-support self-moving complete equipment comprises a heading machine, a support lifting platform and a plurality of external support devices. The external support devices use an arch support matched with an arch drivage tunnel. The external support devices are mutually parallel, and are installed across the heading machine to form the support to the arch drivage tunnel. The support lifting platform is installed at the top of the heading machine and can be freely ascended and descended to contact with the upper part of the external support devices. The external support devices can be forwards pushed to the front end of the heading machine along a travel line of tunneling along with the support lifting platform after contacting with the support lifting platform. The arch tunnel drivage non-repeated-support self-moving complete equipment is capable of creating reliable and flexible support conditions for the safe and high-efficient mining of a driving working face, realizing the non-repeated-support to a top board, and guaranteeing the integrity of the top board, and has the important significance of completing a mechanical mining technology of the tunneling face, and improving the tunneling speed and production efficiency.

Description

technical field [0001] The invention belongs to the technical field of temporary support for fully mechanized excavation faces in coal mines, and in particular relates to a self-moving device for coal roadway excavation without repeated support. Background technique [0002] Before the rapid excavation temporary support bracket was developed, the temporary supports commonly used in the underground excavation working faces of most coal mines in China were as follows: one is the temporary support of the hanging ring piercing type front probe beam; the other is the airborne temporary support of the roadheader The third is to use multiple rows of single hydraulic props and high-strength I-beam beam support methods. Although these methods have relieved the pressure of the head-on support of the excavation working face to a certain extent and improved the support condition of the working face, there are still many deficiencies in the actual use process, and there are still great h...

AI Technical Summary

Problems solved by technology

[0009] In order to solve the above-mentioned problems existing in the existing underground temporary support of coal mines, the present invention further provides a self-moving complete set of arched roadway excavation without repeated support

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