CN114481877A - Freely-telescopic bridge windbreak structure with limiting function - Google Patents

Abstract

The invention relates to a freely telescopic bridge wind barrier structure with a limit function, which comprises a first wind barrier plate, a universal joint, a fixed seat, a limit type sliding assembly and a second wind barrier plate, wherein a first connecting end of the universal joint is connected with the end part of the first wind barrier plate; the fixed seat is connected with a second connecting end of the universal joint; the limiting type sliding assembly comprises a sliding block and an elastic limiting piece, the sliding block is sleeved on the first air barrier plate in a penetrating mode, one end of the elastic limiting piece is connected with the first air barrier plate, and the other end of the elastic limiting piece is connected with the sliding block, so that the sliding block can perform a limiting type sliding process along the first air barrier plate; one end of the second wind baffle plate is fixedly connected with the limiting sliding assembly through the T-shaped plate, and the other end of the second wind baffle plate is close to one side of the original wind barrier. Compared with the prior art, the invention provides a simple, convenient, standardized and self-adaptive wind barrier design, and has the advantages of mobility, standardization, precision and the like compared with the traditional bridge wind barrier.

Description

A wind-barrier structure of a free-retractable bridge with limit

technical field

The invention relates to the field of bridge engineering, in particular to a wind barrier structure of a freely retractable bridge with a limit.

Background technique

With the continuous development of bridge construction in my country, the number of bridge spans in strong wind areas is increasing, and the safety of driving under strong wind is an issue that must be considered. The stability and comfort of cars and trains running under the action of strong winds are greatly affected, and there is even the danger of side-slip, rollover and other traffic accidents, and the prohibition of driving or the suspension of trains under the wind speed below a certain limit may cause serious damage. large economic losses.

At present, among the bridges using 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 a floating system bridge, since there is a certain gap between the pylon and the main girder, the established wind barrier cannot follow the movement of the pylon to fit the position, resulting in a gap between the pylon and the wind barrier. The wind speed around the tower area is enlarged and abruptly caused by the excessively large wind speed, which will bring about the safety problem of driving in windy weather in the tower area. Therefore, it is necessary to set up an additional wind barrier structure between the original wind barrier and the main beam, and the wind barrier structure at this special position How to design is a technical problem that needs to be solved urgently.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a free-retractable bridge wind barrier structure with limit in order to overcome the above-mentioned defects of the prior art, and to provide a simple, standardized and self-adaptive wind barrier design, compared with the traditional bridge wind barrier It has the advantages of mobility, standardization and precision, which ensures the safety of the bridge structure.

The object of the present invention can be realized through the following technical solutions:

The purpose of the present invention is to protect a wind barrier structure of a freely retractable bridge with a limit, comprising a first wind baffle, a universal joint, a fixed seat, a limit sliding assembly, and a second wind baffle, wherein specifically:

the first connection end of the universal joint is connected with the end of the first wind baffle;

the fixed seat is connected with the second connection end of the universal joint;

The limit type sliding assembly includes a sliding block and an elastic limiting piece, the sliding block is sleeved on the first wind baffle, one end of the elastic limiting piece is connected with the first wind baffle, and the other end is connected with the first wind baffle. One end is connected with the sliding block, so that the sliding block can perform a limited sliding process along the first wind baffle;

One end of the second wind baffle is fixedly connected to the limiting sliding assembly through a T-shaped plate, and the other end of the second wind baffle is close to one side of the original wind baffle.

Further, a through hole is formed on the sliding block, and the first air baffle is arranged through the through hole.

Further, an elastic limiting member is provided in the through hole, one end of the elastic limiting member is connected with the first air baffle, and the other end is fixedly connected to the inner wall of the through hole.

Further, the fixing base is provided with a plurality of positioning holes, and the fixing base passes through the positioning holes through fasteners and is fixed on the bridge tower.

Further, the elastic limiting member is a spring, one end of the spring is welded on the first air baffle plate, and the other end of the spring is welded on the inner wall of the through hole.

Further, a connecting plate is provided between the first wind baffle and the first connecting end of the universal joint.

Further, the T-shaped plate includes a vertically connected horizontal plate and a vertical plate, the lower surface of the horizontal plate is fixedly connected to the sliding block, and the vertical plate is fixedly connected to the end of the second wind baffle. .

Further, the end of the second wind baffle plate close to the original wind barrier is provided with a flexible end cap.

Further, the flexible end cap is a rubber cap sleeved on the second wind baffle.

Further, the first air baffle and the second air baffle are elliptical cylindrical or cylindrical panel structures.

Further, the first air baffle plate and the second air baffle plate are both metal materials or polymer materials.

Compared with the prior art, the present invention has the following technical advantages:

1) The present invention realizes the transverse bridge direction between the first wind baffle and the second wind baffle when the bridge tower is displaced by the limit structure between the first wind baffle and the second wind baffle by the limit sliding assembly. And the position adjustment along the bridge direction to ensure that the wind barrier can achieve adaptive adjustment in the transverse bridge direction plane and the bridge direction plane; through the limit sliding structure between the movable windshield and the fixed windshield, It realizes the free sliding of the movable windshield along the bridge direction, and ensures the adaptive adjustment of the wind barrier in the direction along the bridge direction, so as to realize the all-round wind barrier following adaptive adjustment function.

2) The present invention provides a simple, standardized and self-adapting wind barrier design, which has the advantages of being movable, standardized and precise compared with the traditional bridge wind barrier, and ensures the safety of the bridge structure. In addition, the wind barrier design can be used not only for new bridges, but also for the reinforcement of existing bridge wind barriers, providing an effective solution for the reinforcement of existing wind barriers.

Description of drawings

FIG. 1 is a schematic diagram of the wind barrier structure of the freely retractable bridge with limit in the technical solution.

In the picture: 1. Fixed seat, 2. Universal joint, 3. Connecting plate, 4. First wind baffle, 5. Slide block, 6. Horizontal plate, 7. Longitudinal plate, 8. Second wind baffle.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Features such as component models, material names, connection structures, and control methods that are not explicitly described in this technical solution are regarded as common technical features disclosed in the prior art.

The wind barrier structure of the freely retractable bridge with limit in the present invention includes a first wind barrier 4, a universal joint 2, a fixed seat 1, a limit type sliding component, and a second wind barrier 8, which specifically refer to FIG. 1 . Compared with the traditional bridge wind barrier, it has the advantages of being movable, standardized and precise, which ensures the safety of the bridge structure. In addition, the wind barrier design can be used not only for new bridges, but also for the reinforcement of existing bridge wind barriers, providing an effective solution for the reinforcement of existing wind barriers.

The first connection end of the universal joint 2 is connected with the end of the first wind baffle 4, and the fixing base 1 is connected with the second connection end of the universal joint 2. The universal joint 2 can be selected as a flexible universal joint. to provide more self-adaptability to the wind barrier structure of the freely retractable bridge.

In specific implementation, the limit-type sliding assembly includes a sliding block 5 and an elastic limiting member, the sliding block 5 is sleeved on the first wind baffle 4 , and one end of the elastic limiting member is connected to the first air baffle 4 . A wind baffle 4 is connected, and the other end is connected with the sliding block 5 , so that the sliding block 5 can perform a limited sliding process along the first wind baffle 4 .

In a specific implementation, one end of the second wind baffle 8 is fixedly connected to the position-limiting sliding assembly through a T-shaped plate, and the other end of the second wind baffle 8 is close to one side of the original wind baffle. The T-shaped plate includes a horizontal plate 6 and a vertical plate 7 that are vertically connected. The lower surface of the horizontal plate 6 is fixedly connected to the sliding block 5 , and the vertical plate 7 is fixed to the end of the second wind baffle plate 8 . connect.

In specific implementation, the sliding block 5 is provided with a through hole, and the first air baffle 4 is disposed through the through hole. An elastic limiting member is arranged in the through hole, one end of the elastic limiting member is connected to the first air baffle 4, and the other end is fixedly connected to the inner wall of the through hole. In this way, a limited sliding structure is formed, which facilitates the limited relative displacement of the second wind baffle 8 (ie, the free plate) relative to the first wind baffle 4 (ie, the fixed plate).

During specific implementation, the fixing base 1 is provided with a plurality of positioning holes, and the fixing base 1 passes through the positioning holes through fasteners and is fixed on the bridge tower. The elastic limiting member is a spring, one end of the spring is welded to the first air baffle 4 , and the other end of the spring is welded to the inner wall of the through hole.

During the specific implementation, the limit structure between the first wind baffle 4 and the second wind baffle 8 is set by the limit sliding assembly, so that the distance between the first wind baffle 4 and the second wind baffle 8 can be realized when the bridge tower is displaced. The position adjustment between the transverse bridge direction and the downstream bridge direction ensures that the wind barrier can realize the adaptive adjustment in the transverse bridge direction plane and the bridge direction plane; through the limit between the movable wind deflector and the fixed wind deflector The sliding structure realizes the free sliding of the movable windshield along the bridge direction and ensures the adaptive adjustment of the wind barrier in the direction along the bridge direction, so as to realize the all-round wind barrier following adaptive adjustment function.

During specific implementation, a connecting plate 3 is provided between the first air baffle 4 and the first connecting end of the universal joint 2 . One end of the second wind baffle 8 close to the original wind barrier is provided with a flexible end cap. The flexible end cap is a rubber cap sleeved on the second wind baffle plate 8 so as to reduce the impact on the original wind baffle structure. The first wind baffle 4 and the second wind baffle 8 are elliptical cylindrical or cylindrical panel structures. The first wind baffle 4 and the second wind baffle 8 are both metal materials or polymer materials.

The foregoing description of the embodiments is provided to facilitate understanding and use of the invention by those of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications to these embodiments can be readily made, and the generic principles described herein can be applied to other embodiments without inventive step. Therefore, the present invention is not limited to the above-mentioned embodiments, and improvements and modifications made by those skilled in the art according to the disclosure of the present invention without departing from the scope of the present invention should all fall within the protection scope of the present invention.

Claims (10)

1. a wind barrier structure of a free-retractable bridge with a limit, is characterized in that, comprises: a first wind baffle (4); a universal joint (2), the first connection end of the universal joint (2) is connected with the end of the first wind baffle (4); a fixing seat (1), the fixing seat (1) is connected with the second connecting end of the universal joint (2); A limit-type sliding assembly includes a sliding block (5) and an elastic limiting piece, the sliding block (5) is sleeved on the first wind baffle (4), and one end of the elastic limiting piece is connected to the elastic limiting piece. The first wind baffle (4) is connected, and the other end is connected with the sliding block (5), so that the sliding block (5) can perform a limited sliding process along the first wind baffle (4); A second wind baffle (8), one end of the second wind baffle (8) is fixedly connected to the limit sliding assembly through a T-shaped plate, and the other end of the second wind baffle (8) is close to the side of the original windshield. 2 . The wind barrier structure of a freely retractable bridge with a limit according to claim 1 , wherein the sliding block ( 5 ) is provided with a through hole, and the first wind barrier ( 4 ) penetrates through the through-hole arrangement. 3 . The wind barrier structure of a freely retractable bridge with a limit according to claim 2 , wherein an elastic limiter is arranged in the through hole, and one end of the elastic limiter is connected to the first The wind baffle (4) is connected, and the other end is fixedly connected to the inner wall of the through hole. 4 . The wind barrier structure of a freely retractable bridge with a limit according to claim 1 , wherein the fixing seat ( 1 ) is provided with a plurality of positioning holes, and the fixing seat ( 1 ) is tightened by fastening 4 . The piece passes through the positioning hole and is fixed on the bridge tower. 5 . The wind barrier structure of a freely retractable bridge with a limit according to claim 3 , wherein the elastic limiting member is a spring, and one end of the spring is welded to the first wind barrier (4 . ), the other end of the spring is welded on the inner wall of the through hole; A connecting plate (3) is arranged between the first wind baffle plate (4) and the first connecting end of the universal joint (2). 6 . The wind barrier structure of a freely retractable bridge with a limit according to claim 1 , wherein the T-shaped plate comprises a transverse plate ( 6 ) and a longitudinal plate ( 7 ) that are vertically connected, and the transverse plate The lower surface of (6) is fixedly connected to the sliding block (5), and the vertical plate (7) is fixedly connected to the end of the second wind baffle plate (8). 7 . The wind barrier structure of a freely retractable bridge with a limit according to claim 1 , wherein a flexible end cap is provided at one end of the second wind barrier plate ( 8 ) close to the original wind barrier. 8 . 8 . The wind barrier structure of a freely retractable bridge with a limit according to claim 7 , wherein the flexible end cap is a rubber cap sleeved on the second wind barrier ( 8 ). 9 . 9 . The wind barrier structure of a freely retractable bridge with a limit according to claim 1 , wherein the first wind barrier ( 4 ) and the second wind barrier ( 8 ) are elliptical cylinders or cylinders. 10 . Panel type structure. 10 . The wind barrier structure of a freely retractable bridge with a limit according to claim 1 , wherein the first wind barrier ( 4 ) and the second wind barrier ( 8 ) are both metal materials or high molecular materials.

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