Pre-rotating pier anti-collision device

Abstract

The invention discloses a pre-rotating pier anti-collision device, whichbelongs to the technical field of traffic safetyand aims at solving the problem thatwhen an existing pier anti-collision deviceis impacted by a ship, the impact force borne by a pier is too large. The anti-collision device comprises an inner anti-collision assembly, a rotating assembly and an outer anti-collision assembly which are sequentially and coaxially arranged from inside to outside. The outer anti-collision assembly and the inner anti-collision assembly are connected in a relatively rotating mode through therotating assembly. The pier is sleeved with the inner anti-collision assembly. Two pairs of grooves are formed in the outer wall of the lower part of the outer anti-collision assembly; the two pairs of grooves are distributed in a mirror image manner relative to the central axis of the outer anti-collision assembly; a pilot assembly is further arranged outside the pier. The pilot assembly comprises a support and two pairs of right-angle tamping rods, each right-angle tamping rod is of an L-shaped structure, one end of each right-angle tamping rod is fixedly connected with a ball, the support is fixedly arranged on a pier on the lower portion of the outer anti-collision assembly, and the two pairs of right-angle tamping rods are oppositely arranged in a rectangular shape and arranged on the lowerportion of the outer anti-collision assembly in a sliding mode.

Description

technical field [0001] The invention relates to a bridge pier anti-collision device, in particular to a pre-rotated bridge pier anti-collision device, which belongs to the technical field of traffic safety. Background technique [0002] The prior art is not thorough enough to protect the piers of bridges crossing seas and rivers. When a ship hits a pier, the pier is likely to collapse, thereby causing great damage to the bridge and affecting the normal use of the bridge. [0003] The utility model patent with the application number 201721367294.7 discloses a bridge pier with a rotating anti-collision protection device, which absorbs the energy generated by the impact through a shock-absorbing spring, a buffer layer and a shock absorber, and forces the hull to change direction by rolling the rotating shaft, improving the pier and the bridge. Safety performance of the hull. However, the protection device on each pier in this patent requires several shock absorbers, which make...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the existing bridge pier anti-collision device is hit by a ship, and the impact force on the bridge pier is too large, and further provides a pre-rotated bridge pier anti-collision device

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