Hard rock tunnel boring machine
A tunnel boring machine and hard rock technology, which is applied in tunnels, tunnel linings, shaft linings, etc., can solve the problems of complex ground support in tunnels, achieve rapid excavation, ensure the overall structural strength, and reduce vibration
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[0038] see Figure 1 to Figure 8 , a hard rock tunnel boring machine, this embodiment is applied to the rapid expansion and support of tunnels.
[0039] A hard rock tunnel boring machine, comprising a cutter head 1, a front shield 2, a main drive 3, a connecting bridge 4, a multifunctional assembly machine 5, a main propulsion system 6 and a tension shield 7; the main bearing of the cutter head 1 and The main drive 3 is connected, and the drive motor 3.1 of the main drive 3 provides power to drive the cutter head 1 to excavate the tunnel face. protection; one end of the connecting bridge 4 is connected with the front shield 2, and the other end of the connecting bridge 4 is connected with the saddle frame 7.5 of the brace shield 7; one end of the main propulsion system 6 is connected with the connecting bridge 4, and the The other end of the main propulsion system 6 is connected with the tension shield 7 to provide thrust in the open TBM excavation mode; the connecting bridge...
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