Gravel pile length auxiliary control device

The utility model discloses a gravel pile length auxiliary control device which comprises a limiting feeler lever and a limiting instrument. The bottom of a pile machine vibratory hammer is connectedwith the upper end of a vertical pile machine immersed tube. The limiting instrument comprises a warn...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GENG GUOYING, MU YONGSHUANG, WAN LUBIAO, JIA JIANYE, ZHU YOUZHI, ZHANG SEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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