CN219260721U

CN219260721U - Anti-drop net structure for central separation belt of bridge

Info

Publication number: CN219260721U
Application number: CN202320011330.5U
Authority: CN
Inventors: 周涛; 朱倩; 葛浩
Original assignee: Changjiang Institute of Survey Planning Design and Research Co Ltd
Current assignee: Changjiang Institute of Survey Planning Design and Research Co Ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-06-27
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses a drop-preventing net structure for a central dividing belt of a bridge, which is arranged in the middle of the central dividing belt of the bridge and comprises a drop-preventing net and embedded parts, wherein the drop-preventing net is horizontally arranged on anti-collision guardrails on the left side and the right side of the central dividing belt, the left side and the right side of the drop-preventing net are fixedly connected with the anti-collision guardrails through the embedded parts, and the drop-preventing net is arranged close to the upper ends of the anti-collision guardrails. The drop-preventing net structure can greatly reduce investment, has good landscape effect, does not influence the driving sight, can adapt to the deformation requirements of two bridges, and increases the durability of the drop-preventing net; the utility model has wide application range and strong practicability, and can generate good economic and engineering benefits.

Description

Anti-drop net structure for central separation belt of bridge

Technical Field

The utility model relates to the technical field of bridge structures, in particular to an anti-drop net structure for a central dividing strip of a bridge.

Background

The drop-proof net is mainly used for protecting and protecting two sides of a bridge, and can also be used for isolating and protecting nets for roads, railways, airports, industrial parks, agricultural development areas and demonstration projects. Anti-drop nets have been fully utilized by people in various applications in life.

Along with the development of urban traffic construction, the overline bridge and the viaduct arranged in a framing way are more and more, so that potential safety hazards are caused to pedestrians and vehicles under the bridge for preventing objects on the bridge from falling, and the traditional mode is to generally arrange a vertical drop preventing net (see figure 1) outside a central separation zone of the bridge, but the vertical drop preventing net is high in structural height, high in investment and capable of affecting driving vision and landscapes.

Based on the above, the utility model develops the drop-preventing net structure for the central dividing strip of the bridge so as to overcome the defects and the drawbacks of the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a drop-preventing net structure for a central dividing strip of a bridge. The drop-preventing net structure can greatly reduce investment, has good landscape effect, does not influence the driving sight, can adapt to the deformation requirements of two bridges, and increases the durability of the drop-preventing net; the utility model has wide application range and strong practicability, and can generate good economic and engineering benefits.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

a prevent net structure that falls for bridge central authorities ' dividing strip, prevent net structure that falls sets up in the middle of the central authorities ' dividing strip of bridge, prevent net structure that falls including preventing net and built-in fitting, prevent the net level that falls set up in on the anticollision barrier of central authorities ' dividing strip left and right sides, prevent that both sides limit of net all pass through the built-in fitting with anticollision barrier fixed connection, prevent that the net that falls is close to the upper end setting of anticollision barrier.

Preferably, the net surface of the drop-proof net is parallel to the deck of the bridge.

Preferably, the embedded part is fixed on the anti-collision guardrail, and the anti-falling net is connected with the embedded part through a fastening bolt.

Further, the embedded part comprises an embedded bolt and angle steel, one side edge of the angle steel is fixed on the anti-collision guardrail through the embedded bolt, and the other side edge of the angle steel is fixedly connected with the anti-drop net through the fastening bolt.

Preferably, the drop preventing net is composed of a plurality of drop preventing net units, and the drop preventing net units are horizontally arranged along the extending direction of the bridge.

Preferably, the drop-preventing net consists of a steel structure frame and a steel wire net, wherein the steel wire net is formed by weaving and welding low-carbon steel wires or aluminum-magnesium alloy wires.

Compared with the prior art, the utility model has the following remarkable advantages:

compared with the traditional drop-preventing net with the vertical arrangement of the central dividing strips of the framing bridge, the drop-preventing net has the advantages that the drop-preventing net engineering quantity can be saved, the influence on the driving vision is reduced, and meanwhile, the view effect is good. In general, the structure has wide application range and strong practicability, and can generate good economic and engineering benefits.

Drawings

FIG. 1 is a schematic diagram of a conventional drop net structure arrangement;

FIG. 2 is a schematic view of the arrangement of the drop net structure of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2A;

fig. 4 is a schematic top view of fig. 2.

In the figure: 1-preventing net falling; 11-a drop-preventing net unit; 2-an embedded part; 21-embedding bolts; 22-angle steel; 3-anti-collision guardrails; 4-bridge deck; 5-a cast-in-situ layer; 6-a bridge girder; 7-central separator.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; some well known structures in the drawings and omission of the description thereof will be understood by those skilled in the art. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

As shown in fig. 2-4, the utility model discloses a drop-preventing net structure for a central partition belt of a bridge, wherein the upper structure of the bridge comprises a bridge girder 6, a cast-in-situ layer 5, a bridge deck 4 and an anti-collision guardrail 3, the drop-preventing net 1 structure is arranged in the middle of the central partition belt 7 of the bridge, the drop-preventing net 1 structure comprises a drop-preventing net 1 and embedded parts 2, the drop-preventing net 1 is horizontally arranged on the anti-collision guardrails 3 on the left side and the right side of the central partition belt 7, and the left side and the right side of the drop-preventing net 1 are fixedly connected with the anti-collision guardrail 3 through the embedded parts 2, and the drop-preventing net 1 is arranged near the upper end of the anti-collision guardrail 3.

In this embodiment, the net surface of the drop preventing net 1 is parallel to the deck 4 of the bridge. The drop-proof net 1 is horizontally arranged, so that investment can be greatly reduced, the landscape effect is good, and the driving sight is not influenced.

In this embodiment, the built-in fitting 2 is fixed in on the anticollision barrier 3, prevents falling between net 1 and the built-in fitting 2 through fastening bolted connection, can satisfy the structure and because the flexible deformation that the temperature influence caused, adaptable two bridge's deformation requirement has increased the durability of preventing falling net 1.

In this embodiment, the embedded part 2 includes an embedded bolt 21 and an angle steel 22, one side of the angle steel 22 is fixed on the crash barrier 3 through the embedded bolt 21, and the other side of the angle steel 22 is fixedly connected with the anti-drop net 1 through a fastening bolt. The embedded bolts 21 are made of high-strength steel, and the angle steel 22 is made of steel.

In this embodiment, the drop net 1 is composed of a plurality of drop net units 11, and the plurality of drop net units 11 are horizontally arranged along the extending direction of the bridge. The anti-drop net 1 is divided into a plurality of units for construction, so that the installation and the later maintenance are convenient.

In this embodiment, the drop preventing net 1 is composed of a steel structure frame and a steel wire net, and the steel wire net is formed by weaving and welding low-carbon steel wires or aluminum-magnesium alloy wires. The steel wire mesh has the characteristics of corrosion resistance, ageing resistance, sun resistance, weather resistance and the like, has good reusability, can be used for redistributing environment-friendly products according to the requirements, and can be recycled finally.

The drop-preventing net structure can greatly reduce investment, has good landscape effect, does not influence the driving sight, can adapt to the deformation requirements of two bridges, and increases the durability of the drop-preventing net; the utility model has wide application range and strong practicability, and can generate good economic and engineering benefits.

The falling net structure for the central partition of the bridge according to the present utility model can be easily manufactured or used by those skilled in the art from the description of the present utility model together with the accompanying drawings, and can produce the positive effects described in the present utility model.

Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional relationship indicated is based on the positional relationship indicated in the drawings, and is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the present utility model are merely for exemplary illustration and should not be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meaning of the above terms in conjunction with the drawings and according to the specific circumstances.

Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.

Claims

1. A prevent net structure that falls for bridge central authorities ' dividing strip, its characterized in that, prevent net (1) structure setting in the middle of central authorities ' dividing strip (7) of bridge, prevent net (1) structure including preventing net (1) and built-in fitting (2) that falls, prevent net (1) level set up in on anticollision barrier (3) of central authorities ' dividing strip (7) left and right sides, prevent both sides limit of net (1) all through built-in fitting (2) with anticollision barrier (3) fixed connection, prevent net (1) be close to the upper end setting of anticollision barrier (3).

2. The drop net structure for a central partition of a bridge according to claim 1, wherein: the net surface of the drop-proof net (1) is parallel to the bridge deck (4) of the bridge.

3. The drop net structure for a central partition of a bridge according to claim 1, wherein: the embedded part (2) is fixed on the anti-collision guardrail (3), and the anti-falling net (1) is connected with the embedded part (2) through a fastening bolt.

4. A drop net structure for a central dividing strip of a bridge according to claim 3, wherein: the embedded part (2) comprises an embedded bolt (21) and angle steel (22), one side edge of the angle steel (22) is fixed on the anti-collision guardrail (3) through the embedded bolt (21), and the other side edge of the angle steel (22) is fixedly connected with the anti-falling net (1) through the fastening bolt.

5. The drop net structure for a central partition of a bridge according to claim 1, wherein: the anti-drop net (1) is composed of a plurality of anti-drop net units (11), and the plurality of anti-drop net units (11) are horizontally arranged along the extending direction of the bridge.

6. The drop net structure for a central partition of a bridge according to claim 1, wherein: the drop-proof net (1) is composed of a steel structure frame and a steel wire net, wherein the steel wire net is formed by weaving and welding low-carbon steel wires or aluminum-magnesium alloy wires.