Multifunctional trolley for highway tunnel construction

• Main Authors: DUAN ZHUO, QU CHENG, DONG XUEFENG, HE CHANGSHENG
• Format: Patent
• Language: Chinese; English
• Published: 03.11.2020
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a multifunctional trolley for highway tunnel construction. The invention belongs to the field of tunnel construction equipment. The trolley is characterized by comprising atrolley body, fixing blocks are fixedly connected to the two sides of the lower end of one end face of the trolley body correspondingly, inserting holes are formed in the middles of the upper end faces of the fixing blocks, supporting rods are movably inserted into the inserting holes, and the upper ends and the lower ends of the supporting rods are located on the upper sides and the lower sidesof the fixing blocks correspondingly; a thrust spring movably connected to the outer side of the upper end of the supporting rod in a sleeving mode is arranged between the supporting block and the upper end face of the fixing block, and the upper end of the supporting block is connected with a cam in an attached mode. The supporting rod is movably inserted into the fixing block, the cam is attached to the upper end of the