Design method for cutter head of laser full fracture surface rock tunnelling machine
A design method and laser disc technology, which is applied to mining equipment, earthwork drilling, tunnels, etc., to achieve the effects of convenient removal, reduced vibration, and improved service life
Active Publication Date: 2017-05-31
DALIAN UNIV OF TECH
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Abstract
The invention belongs to the technical field of tunnelling of full fracture surface rock tunnelling machines and provides a design method for a cutter head of a laser full fracture surface rock tunnelling machine. A combination of a laser and a high-pressure water jet is adopted to break rock, the rock breaking mode of the cutter head is not dependent on the rolling effect of a hob and rock, therefore, a center plate on a traditional cutter head is removed, a laser device and a high-pressure water gun are driven by different shafts correspondingly, after the rock is treated by the laser, the rock surface is immediately sprayed through the high-pressure water gun, and then the remaining rock is treated through an edge scraper, so that the purpose of rock breaking is achieved. The cutter head does not make contact with the rock surface for most of the time, so that compared with the traditional cutter head, the vibration amplitude of the cutter head can be greatly reduced; molten slag and rock slag can be effectively removed and the high temperature caused by the laser can be reduced due to the existence of a high-pressure water flow; and the cutter head is not provided with the center plate, so that the water flow entrained waste slag can be conveniently discharged out of a working area.
Application Domain
Tunnels
Technology Topic
Water jetRock breaking +9
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