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Hard rock roadway driving method adopting drill loader

A drilling machine and roadway technology, applied in tunnels, tunnel linings, mining equipment, etc., can solve problems such as low efficiency, slow construction progress, and low safety, and achieve the effects of protecting equipment, saving time, and having a large blasthole diameter

Inactive Publication Date: 2019-01-29
HUAINAN MINING IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a hard rock roadway excavation method that solves the disadvantages of slow construction progress, low efficiency, and low safety in the above-mentioned background technology

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  • Hard rock roadway driving method adopting drill loader

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Embodiment Construction

[0023] The following is a detailed description of the embodiments of the present invention. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0024] like figure 1 As shown, in this embodiment, the present invention discloses a method for excavating a hard rock roadway using a drilling rig, comprising the following steps:

[0025] (1) Preparation before starting, check whether the machine is running normally, start the drilling machine, and then start the scraper conveyor on the drilling machine, cooperate with the shovel and bucket to unload the gangue to the side of the roadway, and then rake it to the belt by the rake machine Transport to the gangue warehouse for gangue extraction;

[0026] (2) After the gangue is completely transported ...

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Abstract

The invention discloses a hard rock roadway driving method adopting a drill loader. The hard rock roadway driving method includes the following steps that the drill loader is started to produce gangue; after the gangue is completely transported out, boreholes are fired, and a drill boom of the drill loader is used for hole drilling; for the hard rock full cross section roadway, boreholes are firedat once, after finishing, the drill loader retreats, and power off and equipment stop are carried out; head-on charging and blasting are carried out, the roadway is supported; and after supporting iscompleted, the step (1) is repeated for the next cycle. The hard rock roadway driving method adopting the drill loader has the beneficial effects that the construction efficiency is higher and higher, the production efficiency of driving single advancement can be improved by 2 to 4 times compared with common blasting driving, the single advancement level and construction safety guarantee level are greatly improved, and great significance for ensuring that normal replacement of mines and achievement of high yield and high efficiency construction goals is achieved.

Description

technical field [0001] The invention relates to a coal mine excavation method, in particular to a hard rock roadway excavation method. Background technique [0002] The contradiction of coal mining replacement has always been one of the main contradictions that are difficult to solve effectively in mines. The total footage of the rock roadway in the Huainan mining area is large (annual average 160,000 meters), and the track roadway on the west wing is -820m horizontal. The design engineering volume is 2888m. The excavation section is: 5700mm×4450mm. Coefficient 7-10), the occurrence of coal (rock) beds in this area is 160~180°∠2~4°, and the average dip angle is 3°. The traditional "drill and blast method", that is, the use of traditional drilling equipment takes a long time to drill holes (it takes about 7 hours to drill a full-section blast hole), the construction progress is slow (the monthly progress is about 40-50 meters), and the manual labor is heavy. Moreover, durin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/00E21D9/12E21D11/00E21D11/10F42D3/04
Inventor 罗红福王军侯伟民苏晓明刘隽张召锋
Owner HUAINAN MINING IND GRP