Jet assisted shield tunneling machine for noncircular-section tunneling construction
A shield machine and cross-section technology, which is applied in tunnels, mining equipment, earthwork drilling and mining, etc., can solve the problems of extrusion into the inner wall of the soil bin, high manufacturing and assembly precision requirements, and high cost, so as to simplify the structure of the shield machine and avoid poor versatility , Promote the effect of low power consumption
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[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereby.
[0031] Such as figure 1 As shown, the jet-assisted shield machine for non-circular cross-section excavation construction in this embodiment includes a front shield 1, a plurality of cutter heads 2 and a jet flow assembly 3, and a plurality of cutter heads 2 are arranged on the end face of the front shield 1, and the jet flow The assembly 3 is also arranged on the end face of the front shield 1, and the jet assembly 3 and the cutter head 2 are arranged in a staggered manner. The spray stroke of the jet assembly 3 covers the cutting blind area 21 of the cutter head 2. 5 Strip broken from the formation and discharge. In the present invention, a jet assembly 3 is provided on the end face of the front shield 1, and the jet assembly 3 and the cutter head 2 are arrang...
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