Method for constructing cross-over chambers with full-coal outsize cross section under host lane ceaseless transportation condition

Abstract

The invention discloses a method for constructing cross-over chambers with a full-coal outsize cross section under a host lane ceaseless transportation condition. The method comprises the steps of: construction for lap joint between a panel adhesive tape machine head and a camber, construction for lap joint between a working face belt lane and a chamber and maintenance for the working face belt lane, and specifically comprises the steps of: (1) performing the lap joint construction on the panel adhesive tape machine head and the arc part of the chamber, (2) maintaining the working face belt lane and protecting auxiliary facilities and cables, (3) performing lap joint construction between the working face belt lane and the arc part of the chamber, (4) penetrating through the chamber in lap joint with the panel adhesive tape machine head and the chamber in lap joint with the working face belt lane, (5) performing wall part construction on the chamber in lap joint with the panel adhesive tape machine head and performing large brushing construction on the chamber in lap joint with the working face belt lane, (6) performing arch building on the chamber in lap joint with the panel adhesive tape machine head and the chamber in lap joint with the working face belt lane, and (7) performing arch building on a cross-over point between the chamber in lap joint with the panel adhesive tape machine head and the chamber in lap joint with the working face belt lane. According to the invention, the transportation of the working face belt lane is not influenced during construction, and the difficult in performing chamber construction under a full-coal-seal geological condition is eliminated.

Description

technical field [0001] The invention relates to a construction method for an underground chamber in a coal mine, in particular to a construction method for an all-coal extra-large cross-section cross chamber under the condition of uninterrupted transportation in a main roadway. Background technique [0002] In coal mine production, it is often necessary to arrange new panels near existing panels, and the working faces of adjacent panels are produced simultaneously. In order to facilitate production, transportation or avoid accidents, sometimes it is necessary to overlap the belt of the new panel with the belt of the working face of another panel that undertakes the transportation task to form a panel transportation system, so it is necessary to construct a crossing chamber ( The panel overlapping chamber and the working face overlapping chamber) connect the panel belt alley with the working face belt alley. [0003] During coal mining, if the thickness of the coal se...

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Problems solved by technology

[0004] During the construction of the cross chamber, if the normal construction is carried out, the production of the belt lane of the existing working face will inevitably be stopped, thus affecting the production of the whole mine. Lane and its facilities, as well as the safety of construction workers to protect

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