Guiding type miniature pipe-jacking construction method

Provided is a guiding type miniature pipe-jacking construction method, comprising the following steps: in an originating well, perforating an operation hole in an inner wall of the originating well with a trepanning apparatus; mounting a laser orientation instrument and a laser guided drill bit, dri...

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Bibliographische Detailangaben
Hauptverfasser:	Xu, Deyi, Li, Yuanwen, An, Guanfeng, Ouyang, Jingda, Zhang, Rong, Hou, Zhaobao, Liu, Tianjun, Wang, Tan, Yu, Haibin
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GALLERIES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LARGE UNDERGROUND CHAMBERS LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING PIPES SHAFTS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TUNNELS WEAPONS
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Beschreibung
Zusammenfassung:	Provided is a guiding type miniature pipe-jacking construction method, comprising the following steps: in an originating well, perforating an operation hole in an inner wall of the originating well with a trepanning apparatus; mounting a laser orientation instrument and a laser guided drill bit, driving a guide bar connected with the laser guided drill bit into the opened operation hole with a thrusting apparatus, and driving the guide bar into a soil mass with the thrusting apparatus; jacking a plurality of mud discharging pipes following the guide bar successively into the soil mass with the thrusting apparatus; jacking a plurality of mud discharging screw rods into the mud discharging pipes with the thrusting apparatus; jacking a pipe-jacking machine head following the mud discharging pipes into the soil mass with the thrusting apparatus, a cutter head on the pipe-jacking machine head rotating to drive the mud discharging screw rods to rotate.