Hole forming equipment for foundation pit excavation construction

The utility model discloses hole forming equipment for foundation pit excavation construction, and relates to the technical field of foundation pit construction. The output end of the air cylinder is fixedly connected with an output shaft, the lower surface of the output shaft is connected with a mo...

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Bibliographische Detailangaben
Hauptverfasser:	LI ZHILIANG, GAO JINGPING, ZHONG YUEZHEN, ZHENG BIN, HUANG XINDING, LYU PENG, LU SHILONG, JIA QI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The utility model discloses hole forming equipment for foundation pit excavation construction, and relates to the technical field of foundation pit construction. The output end of the air cylinder is fixedly connected with an output shaft, the lower surface of the output shaft is connected with a mounting plate, the lower surface of the mounting plate is connected with a drill bit, one side face of the mounting plate is provided with a buckle, the buckle comprises a button, a pressing spring and a pressing rod, and the button is installed on one side face of the mounting plate; a plurality of pressing springs and pressing rods are installed on one side face of the button, a groove is formed in the mounting plate, an inserting groove is formed in the lower surface of the mounting plate, an inserting rod is connected to the upper surface of the drill bit, a circular groove is formed in one surface of the inserting rod, a transmission spring is installed in the circular groove, and a transmission rod is connecte