Reinforcing method of ultra-deep stratum shield breaking-in and breaking-out
A technology for entering and exiting holes and shielding, which is applied in drilling equipment and methods, underground chambers, and earth-moving drilling and mining, etc., and can solve the problems of failure, long construction period, construction difficulty and high construction cost.
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Embodiment 1
[0105] like Figure 7 As shown, when the distribution of grouting holes is relatively sparse, two drilling mechanisms are used for drilling processing, so that the drilling mechanisms are symmetrically distributed on both sides of the drum, so as to ensure the stability of the rotating mechanism during rotation, and at the same time ensure the stability of the two drilling mechanisms. The force of each drilling mechanism is uniform, so that the depth of the two grouting holes drilled each time is consistent, and the drilling efficiency is improved.
Embodiment 2
[0107] like Figure 8 As shown, when the grouting holes are closely distributed, four drilling mechanisms are used for drilling, so that the drilling mechanisms are evenly distributed around the drum, which not only improves the stability and stability of the entire drilling equipment during work. Reliability, and improve the efficiency of drilling. Compared with manual drilling, it greatly shortens the construction period, improves drilling accuracy, and prevents deviation from affecting the quality of the final grouting pipe.
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