Fine adjustment mechanism for leveling pavement slab

• Main Authors: XU SHUNLI, SHI XUEJIAO, ZHANG GUANGYUAN, ZUO ZHUANLING, CUI RUNBING, ZHAI CHAOJIE, ZHANG HAN, LYU FUXING, WANG TIANLONG, DONG BO, LIU CHAO, MENG ZHUO
• Format: Patent
• Language: Chinese; English
• Published: 14.10.2022
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; PERMANENT WAY; PERMANENT-WAY TOOLS

The utility model discloses a fine adjustment mechanism for leveling a pavement slab, which comprises an adjusting seat, a knob piece arranged in the adjusting seat and used for turning an adjusting screw rod and a driving motor driving the knob piece to rotate, the knob piece is arranged in the adjusting seat through a rotating piece, and a universal joint is arranged between the knob piece and the rotating piece. And the knob piece is in transmission connection with the driving motor through the universal joint and the rotating piece. According to the utility model, the structure design is reasonable, the automatic rotation of the knob piece can be effectively realized, the rotation accuracy of the knob piece can be effectively ensured, the knob piece can be suitable for adjusting screw rods with different angles, and the problem that the knob piece cannot be matched with the adjusting screw rod due to the inclination of the adjusting screw rod caused by the construction accuracy problem of a pavement slab