Steel strand lifting and clamping device and lifting method

• Main Authors: ZHANG YONGYI, HU FUSHEN, ZHOU WUQIANG, LIU JIANTING, WANG GUILIANG, LIU WEILING
• Format: Patent
• Language: Chinese; English
• Published: 24.09.2014
• Subjects: HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The invention discloses a steel strand lifting and clamping device, and belongs to the field of construction. The steel strand lifting and clamping device comprises a hydraulic lifting jack and a clamping self-locking guide lifting device, and is characterized in that the clamping self-locking guide lifting device comprises two clamping claws, a guide limiter and a lifting lug plate, wherein the two clamping claws are connected through a bolt, and both provided with clamping grooves, and the guide limiter is connected with the lifting lug plate; the lifting lug plate is welded with one of the clamping claws; the guide limiter comprises a lock hook, a spring, a nut and a positioning board; the lock hook comprises a hook rod and a hook head which are integrated in structure, a thread is formed in the end of the hook rod, the hook head is bent into an arc shape, a spring is arranged on the hook rod, and the nut and a washer are arranged on the thread in the end of the hook rod, and can prevent the spring on the