Lifting device for hoisting precast concrete products

The utility model discloses a precast concrete product hoisting and lifting device which comprises a hoisting and lifting device base plate, supporting columns are fixedly connected to the front face and the back face of the hoisting and lifting device base plate, a first supporting plate is movably...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG XIAOLEI, GENG WEI, LIU YUNGUANG, LIU RUYI, YANG YUN, LI XIANLONG, XU HAO, ZHOU MEIYU, LI LISHUO, NI ZHANWEI, ZHU LUKUAN, YAN TIANZHEN, HAN TING, LIU JUNWEI, DUAN SHUAISHUAI, WANG SONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CRANES HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model discloses a precast concrete product hoisting and lifting device which comprises a hoisting and lifting device base plate, supporting columns are fixedly connected to the front face and the back face of the hoisting and lifting device base plate, a first supporting plate is movably connected to the surface of the front supporting column, and a second supporting plate is movably connected to the surface of the rear supporting column. Limiting sleeves are arranged on the surfaces of the supporting columns, clamping plates are fixedly connected to the outer sides of the first supporting plate and the second supporting plate, friction plates are arranged on the outer sides of the clamping plates, bolts are arranged on the inner sides of the clamping plates, and the inner sides of the bolts penetrate into the friction plates and are in threaded connection with the friction plates; the right side of the top of the first supporting plate and the left side of the top of the second supporting plate a