Bridge girders bottom plate exposes steel strand wires stressing jack strutting arrangement

• Main Authors: LI QICHENG, SHI XIAOQING, LI FUCHENG, LYU XINMING, REN YUNDONG, XU LEI, YANG HONGLIANG, LI SHUXIN, WANG JIANGANG, QIU MINGZHI, HU XUEMING
• Format: Patent
• Language: English
• Published: 28.10.2015
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model discloses a bridge girders bottom plate exposes steel strand wires stressing jack strutting arrangement, jacking jack that the gyro wheel that lie in foot and prop up support with lie in wherein upper portion erect at shelf location, admittedly, adorn the bracket directly over being located the jacking jack at the support top, with the mode cooperation contact that holds up the bracket all the time and carry a bracket when top that the jacking jack has is lifted the pole and is risen or descend, admittedly, adorning on the bracket be located under the bracket and the support lead screw of erectting passes the perforation that the upper portion of support was provided with, the nut of installing on supporting the lead screw sets up the interior screw thread that is equipped with and supports some male threads of lead screw peripheral hardware with pivoted mode movable fit relatively each other in bore a hole top and its, the external conjugate diameter of nut is greater than fenestrate diameter can not follow the top of perforating and pass the perforation downwards so that blockked by the perforation. The utility model discloses the operation is simple and easy, saves manpower and material resources, artifical simple to operate, and the efficiency of construction is high, thoroughly solves the technological problem who hangs and lift stressing jack.