Inspection trolley for bridge upper chord

• Main Authors: GAO JINGQING, WANG FENGXUE, TIAN JIANDE, ZHANG SHOUSHAN, PENG LANPING, KONG XIAOHONG, LI GUOQIANG, DENG YUNQING, PEI HUIRONG, CAO GUIWEI, JIN LING, YANG XUEFANG, LIU XUANBIN
• Format: Patent
• Language: English
• Published: 10.02.2016
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention relates to the field of bridge inspection, and discloses an inspection trolley for a bridge upper chord. The inspection trolley for the bridge upper chord comprises a connecting corridor and stand columns, the stand columns are fixed to the connecting corridor, walking mechanisms are symmetrically arranged at the two ends of the connecting corridor respectively, and the connecting corridor is movably installed on a bridge through the walking mechanisms. Each walking mechanism comprises a walking beam and a bearing platform, wherein the bearing platform is movably installed on the walking beam, the walking beam is movably installed on the bridge, jack catches are arranged at the bottom of the walking beam, the top of the bearing platform is fixed to the connecting corridor, and the bottom of the bearing platform is provided with a liftable supporting clamp. Multiple connecting pieces are arranged on the bridge, and the jack catches and the supporting clamps can be connected to the connecting pieces on the bridge in a clamped mode. According to the inspection trolley for the bridge upper chord, due to the fact that the walking mechanisms can climb up a hill, it is unnecessary to lay tracks, materials of track laying are saved, and overall bridge cost is low.