Supporting leg changing and steering device of water well drilling rig

The utility model relates to the field of water well drilling rig machinery, in particular to a water well drilling rig supporting leg changing and steering device. One side of each supporting leg rotating seat is fixedly connected with a supporting leg connecting plate, the supporting leg connectin...

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Bibliographische Detailangaben
Hauptverfasser:	YU HAIZHOU, JIA QIUYU, CAO LILI, OU XIUQUN, WANG YONGLU, XIE XIAOMIN, ZHANG PINGDE, LI AISHENG, WANG XUEWEN, XU YAN, WANG YONGFU, WANG YONGSHENG, XIE XIUXIANG, REN LONG
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 relates to the field of water well drilling rig machinery, in particular to a water well drilling rig supporting leg changing and steering device. One side of each supporting leg rotating seat is fixedly connected with a supporting leg connecting plate, the supporting leg connecting plate is fixedly connected with a corresponding water well drilling rig supporting leg, the other side of the corresponding supporting leg rotating seat is rotationally connected with a rack fixing seat, and a rack connecting plate fixedly connected with a water well drilling rig rack is fixed to the other side of the rack fixing seat; a fixing bolt is arranged on the lower surface of the supporting leg rotating seat, a plurality of steering positioning sleeves are correspondingly arranged on the lower surface of the machine frame fixing seat, and the steering positioning sleeves are arranged at intervals along the annular outer side of the central rotating shaft with the axis of the central rotating shaft as the