27-05-2015 дата публикации
Номер: CN104653178A
Принадлежит:
The invention relates to a tunneling drilling locating guiding device and a drilling method. The tunneling drilling locating guiding device comprises a fine steel tube, a locating device, guiding pipes, a guiding disc centered bolt, a guiding device, guiding rings, a sliding groove, a guiding disc, a bottom nut, a gasket and a locking nut, wherein the sliding groove is formed at one side of the locating device, the fine steel tube is connected at the lower end of the locating device, an adjustable guiding device is connected at the upper end of the locating device, the guiding rings are connected at two ends of the adjustable guiding device, the guiding pipes are arranged in the guiding rings, a through hole is formed at the center position of the adjustable guiding device, the guiding disc is disc-like integrally, the guiding disc centered bolt is arranged at the center position of the guiding disc, the guiding disc centered bolt can slide up and down in the sliding groove, and the bottom ...
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