Trenchless directional drilling pipe laying construction method and equipment
A technology for directional drilling and construction equipment, applied in drilling equipment, directional drilling, drilling pipes, etc., which can solve the problems of low equipment automation, inability to automatically oil and lubricate, inability to automatically assemble and disassemble drill pipes, etc., to achieve the degree of automation High efficiency, convenient operation and high efficiency
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[0024] refer to figure 1 , figure 2 and image 3 , a non-excavation directional drilling pipe-laying construction method and equipment, comprising the following steps:
[0025] A. Pre-construction preparation; Excavate the entrance pit and exit pit according to the guide track in the design data, and place the construction equipment near the entrance pit;
[0026] B. Automatic extension drilling: start drilling from the entrance pit position through the construction equipment, and automatically assemble and extend the drill pipe step by step through the automatic disassembly mechanism 3 and the automatic oiling mechanism 4, and then drill the drill pipes into the soil layer one by one, and Move to the exit pit along the design guide track;
[0027] C. Back-drag automatic disassembly; After connecting the pipeline with the back-tower and the guide rod of the drill pipe, the construction equipment adopts the rotating back-drag method to lay the pipeline, and during the back-...
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