Swelling and pressing rock breaking equipment and tunnel swelling and pressing rock breaking construction method

Abstract

The invention provides swelling and pressing rock breaking equipment and a tunnel swelling and pressing rock breaking construction method. The swelling and pressing rock breaking equipment comprises a rock breaking vehicle body (9), a mechanical arm (24) and a hydraulic swelling and breaking device (11) which are sequentially arranged; the mechanical arm (24) can make the hydraulic swelling and breaking device (11) move up and down; the hydraulic swelling and breaking device (11) comprises an outer shell (16); and piston rods (17) are arranged on the left side and the right side or the two sides of the outer shell (16) and can stretch and retract in the left-right direction. The tunnel swelling and pressing rock breaking construction method comprises the steps that firstly, a vertical groove and an annular groove are dug in a tunnel face; secondly, the swelling and pressing rock breaking equipment acts on a formed cutting groove, a rock ridge is swelled and broken through hydraulic extrusion, and rock slag falls off from the tunnel face; and finally, the rock slag is cleared out of a tunnel through a forklift and a slag conveying vehicle, and excavation of the whole tunnel can be completed through repeated actions. Abrasion of metal cutters can be reduced, and the construction efficiency can be improved.

Description

technical field [0001] The invention relates to the field of tunnel excavation construction, in particular to an expansion-pressure rock-breaking equipment and a tunnel expansion-pressure rock-breaking construction method. Background technique [0002] With the country’s increasing development of infrastructure such as road traffic, water conservancy and hydropower, the construction of underground spaces such as tunnels has received more and more attention. The tunnel construction devices and construction methods have been unable to meet the needs of modern tunnel construction. Construction has become a subject of constant breakthroughs in the field of tunnel construction. [0003] The traditional drilling and blasting method is slow in construction efficiency and has a great impact on the surrounding environment, so it is not suitable for modern tunnel construction. Shield tunneling and TBM construction methods have high construction efficiency, but they are generally limi...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the cutter of the cantilever roadheader is easy to wear in the construction of hard rock tunnels, the present invention provides a rock-breaking equipment and a rock-breaking construction method for tunnel expansion and pressure. The rock-breaking construction method for tunnel expansion and pressure is as follows: Dig vertical grooves and annular grooves on the face of the face, and then use expansion and pressure rock breaking equipment to act on the formed grooves, squeeze the ridges through hydraulic pressure, and the rock slag will fall off from the face of the face, and finally pass through the forklift and the slag truck to clean the rock slag out of the tunnel, repeating the action can complete the excavation of the entire tunnel

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