Free telescopic bridge wind barrier structure with limiting function

Abstract

The invention relates to a freely-telescopic bridge wind barrier structure with a limiting function. The freely-telescopic bridge wind barrier structure comprises a first wind barrier plate, a universal joint, a fixing base, a limiting type sliding assembly and a second wind barrier plate, and the first connecting end of the universal joint is connected with the end of the first wind barrier plate; the fixed seat is connected with the second connecting end of the universal joint; the limiting type sliding assembly comprises a sliding block and an elastic limiting piece, the first wind barrier plate is sleeved with the sliding block in a penetrating mode, one end of the elastic limiting piece is connected with the first wind barrier plate, and the other end of the elastic limiting piece is connected with the sliding block, so that the sliding block can slide in a limiting mode along the first wind barrier plate; one end of the second wind barrier plate is fixedly connected with the limiting type sliding assembly through a T-shaped plate, and the other end of the second wind barrier plate is close to one side of the original wind barrier. Compared with the prior art, the wind barrier design is simple, convenient, standard and self-adaptive, and compared with a traditional bridge wind barrier, the wind barrier has the advantages of being movable, standard, precise and the like.

Description

technical field [0001] The invention relates to the field of bridge engineering, in particular to a wind barrier structure with limit free expansion and contraction bridge. Background technique [0002] With the continuous development of bridge construction in our country, the number of bridge spans in strong wind areas is increasing, and driving safety under strong winds must be considered. The stability and comfort of cars and trains traveling under the action of strong winds are greatly affected, and there is even the risk of traffic accidents such as sideslips and rollovers. Moreover, driving is prohibited or trains are out of service at a wind speed below a certain limit, which may cause serious accidents. large economic loss. [0003] At present, among the bridges adopting wind barrier structures at home and abroad, the bridge wind barriers are mostly set on the main bridge or on the approach bridge. However, for floating system bridges, since there is a certain gap ...

AI Technical Summary

Problems solved by technology

However, for floating system bridges, since there is a certain gap between the bridge tower and the main girder, the wind barrier set up cannot follow the movement of the bridge tower to fit the position, resulting in a gap between the tower column and the wind barrier Excessively large wind speed around the tower area will cause amplified and sudden changes in wind speed, which will lead to traffic safety problems in the tower area. Therefore, it is necessary to install an additional wind barrier structure between the original wind barrier and the main girder, and the wind barrier structure at this special position How to design is a technical problem that needs to be solved urgently

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