Composite bridge head bumping prevention and control expansion joint device

Abstract

This utility model belongs to the field of road engineering technology, and in particular to a composite bridge approach slab slab prevention expansion joint device. It includes a roadbed and an mounting plate installed on the surface of the roadbed. One side of the mounting plate is connected to an expansion module via a longitudinal guide strip. The surface of the expansion module is connected to one end of a contour post. A ramp plate is also connected to one side of the expansion module. The ramp plate, near the roadbed, is connected to a slider. Through the connection between the expansion module, the mounting plate, and the ramp plate, this device enables the expansion module to simultaneously perform lateral expansion and contraction and longitudinal movement. When a height difference occurs on the bridge, the expansion module can cause the ramp plate to tilt, thereby mitigating the change in height difference and forming a gentle slope to buffer vehicles. This effectively prevents slab ...

Images