Cast-in-place box girder prestressed tendon tensioning jack hoisting device

• Main Authors: HE JIAN, TONG XINRAN, XIONG XUEQIN, YAO ZHONGWEN, CHEN XIAOFENG, DU JIELI, XIA YOUHUI, LI JIALONG, WANG WEIQIN, WU CHANGSHENG, LONG MEIRUI
• Format: Patent
• Language: Chinese; English
• Published: 24.11.2020
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; CAPSTANS; CRANES; FIXED CONSTRUCTIONS; FORMS; HANDLING BUILDING MATERIALS ON THE SITE; HAULING; HOISTING; HOISTS; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING; TACKLES, e.g. PULLEY BLOCKS; TRANSPORTING; WINCHES

The utility model discloses a cast-in-place box girder prestressed tendon tensioning jack hoisting device. The jack hoisting device comprises a jack hoisting device body, a push-pull handrail and a balance weight device placing frame are arranged at the non-working end of the jack hoisting device body, guide rails are symmetrically installed at the top of the jack hoisting device body, and the working ends of the guide rails extend out of one side of the jack hoisting device body; a guide device with rollers is installed between the two guide rails, a lifting component is installed on the guide device with the rollers, the lifting component is connected with a jack, and the jack is electrically connected with tensioning equipment. And a plurality of moving devices are mounted at the bottomof the jack hoisting device body. According to the utility model, the problem that the cast-in-place box girder prestressed tendons or T-shaped girder prestressed tendons need to be hoisted by heavyjacks during tensioning is