CN219772699U

CN219772699U - Bridge anticollision barrier

Info

Publication number: CN219772699U
Application number: CN202320114057.9U
Authority: CN
Inventors: 于展召; 李梦闯; 马子蔚
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2023-01-26
Filing date: 2023-01-26
Publication date: 2023-09-29
Anticipated expiration: 2033-01-26

Abstract

The utility model discloses a bridge anti-collision guardrail, which comprises two support columns, wherein two first grooves are formed in the two support columns, each two first grooves are symmetrically arranged, a plurality of railings are fixedly connected to the side wall between two connecting plates in each two first grooves, a third protection pipe is sleeved on each railing, the third protection pipe is connected with a second protection pipe through a plurality of buffering devices, a plurality of first springs are fixedly connected to the outer side wall of the second protection pipe, one ends of the first springs are fixedly connected with the first protection pipes, and fixing devices are arranged on the two support columns. The utility model not only can effectively ensure that the guardrail is not damaged, but also can reduce the damage of the vehicle.

Description

Bridge anticollision barrier

Technical Field

The utility model relates to the technical field of bridge guardrails, in particular to a bridge anti-collision guardrail.

Background

The bridge guardrail is also called as a bridge anti-collision guardrail, and is arranged on a bridge, and aims to prevent a vehicle out of control from going out of the bridge, and has the functions of making the vehicle unable to break through, run down, cross the bridge and beautify the bridge construction.

For example, chinese patent application No. 202022630879.1 discloses a bridge crash barrier, which comprises a base, steel stand is installed to the top of base, be equipped with crashproof crossbeam between the steel stand, be connected with the cable between the steel stand top, evenly be equipped with vertical connection on the crashproof crossbeam, vertical connection top is established to arc form and is close to the bridge floor, vertical connection intermediate position is equipped with the energy dissipation cylinder.

However, in the above scheme, the anti-collision capability of the energy dissipation roller is limited, and the energy dissipation roller cannot provide more protection for the guardrail, so that the problems are solved, and a bridge anti-collision guardrail is designed.

Disclosure of Invention

The utility model provides a bridge anti-collision guardrail, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a bridge anticollision barrier, includes two support columns, two all seted up two first recesses on the support column, every two first recess is the symmetry setting, every two be equipped with in the first recess connecting plate two lateral wall fixedly connected with a plurality of rails between the connecting plate, every all overlap on the rail and be equipped with the third protection tube, the third protection tube is connected with the second protection tube through a plurality of buffer, fixedly connected with a plurality of first springs on the lateral wall of second protection tube, a plurality of the one end fixedly connected with first protection tube of first spring, two all be equipped with fixing device on the support column.

As a further improvement scheme of the technical scheme: every buffer includes the second recess, the second recess is seted up on the third protection pipe, set up on the lateral wall of second recess and run through the second recess with through-hole between the third protection pipe, sliding connection has the connecting rod in the second recess, the one end of connecting rod runs through the lateral wall of through-hole and fixed connection are in on the inside wall of second protection pipe, the cover is equipped with the second spring on the connecting rod, the one end fixed connection of second spring is in on the lateral wall of second recess, the other end fixed connection of second spring is in on the lateral wall of connecting rod.

As a further improvement scheme of the technical scheme: each fixing device comprises a gasket, the gasket is fixedly connected to the bottom side wall of the supporting column and ascends, a plurality of bolts are connected to the gasket in a threaded mode, and reinforcing nuts are connected to the bolts in a threaded mode.

As a further improvement scheme of the technical scheme: the first protection tube, the second protection tube and the third protection tube are all made of silica gel.

As a further improvement scheme of the technical scheme: the bottom of each bolt is fixedly connected with a fixing piece.

As a further improvement scheme of the technical scheme: and the inner side wall of the third protection pipe is fixedly connected with a buffer cushion.

As a further improvement scheme of the technical scheme: the upper side walls of the two support columns are fixedly connected with cover plates, and warning strips are arranged on the cover plates.

Compared with the prior art, the utility model has the beneficial effects that:

be provided with first protection pipe, second protection pipe, third protection pipe, after the vehicle strikes crash barrier on, first protection pipe absorbs a small amount of energy earlier, then remaining energy is all absorbed by second protection pipe and third guard plate and buffer, and this device not only can ensure effectively that the guardrail is not damaged, but also can reduce the damage of vehicle.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic diagram of a front cross-sectional structure of a bridge crash barrier according to the present utility model;

FIG. 2 is a schematic view of a partial top cross-sectional structure of a bridge crash barrier according to the present utility model;

FIG. 3 is an enlarged view of a part of the structure of FIG. 1A;

fig. 4 is a partial perspective view of a bridge crash barrier according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a connecting plate; 2. a support column; 3. a first groove; 4. a cover plate; 5. railing; 6. a gasket; 7. a bolt; 8. reinforcing the nut; 9. a fixing piece; 10. a third protective tube; 11. a first protective tube; 12. a cushion pad; 13. a second protective tube; 14. a first spring; 15. a second groove; 16. a connecting rod; 17. a second spring; 18. and a through hole.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, in the embodiment of the utility model, a bridge crash barrier includes two support columns 2, two first grooves 3 are formed on the two support columns 2, each two first grooves 3 are symmetrically arranged, a plurality of rails 5 are fixedly connected to a side wall between the two connection plates 1 of the connection plate 1 are arranged in each two first grooves 3, a third protection tube 10 is sleeved on each rail 5, the third protection tube 10 is connected with a second protection tube 13 through a plurality of buffering devices, a plurality of first springs 14 are fixedly connected to an outer side wall of the second protection tube 13, one ends of the plurality of first springs 14 are fixedly connected with the first protection tube 11, and fixing devices are arranged on the two support columns 2.

Referring to fig. 3, each buffer device includes a second groove 15, the second groove 15 is formed on the third protection tube 10, a through hole 18 penetrating between the second groove 15 and the third protection tube 10 is formed on a side wall of the second groove 15, a connecting rod 16 is slidably connected in the second groove 15, one end of the connecting rod 16 penetrates through a side wall of the through hole 18 and is fixedly connected to an inner side wall of the second protection tube 13, a second spring 17 is sleeved on the connecting rod 16, one end of the second spring 17 is fixedly connected to a side wall of the second groove 15, and the other end of the second spring 17 is fixedly connected to the side wall of the connecting rod 16 to connect the second protection tube 13 and the third protection tube 10 together through the buffer device.

Referring to fig. 1, each fixing device includes a spacer 6, the spacer 6 is fixedly connected to the bottom sidewall of the support column 2, a plurality of bolts 7 are screwed on the spacer 6, and a reinforcing nut 8 is screwed on each bolt 7, so as to increase the fixing effect between the support column 2 and the ground.

Referring to fig. 1, the first protection tube 11, the second protection tube 13 and the third protection tube 10 are made of silica gel, and are made of high-elasticity materials, so that the protection tube has an energy absorption and recovery function.

Referring to fig. 1, the bottom end of each bolt 7 is fixedly connected with a fixing piece 9, so that the connection area with the ground surface is increased, and the connection is more stable.

Referring to fig. 1, a buffer pad 12 is fixedly connected to an inner side wall of the third protection tube 10 to further protect the balustrade 5.

Referring to fig. 1, the upper side walls of the two support columns 2 are fixedly connected with a cover plate 4, and a warning strip is arranged on the cover plate 4, so that a driver is conveniently prompted to make the bridge guardrail and pay attention to safety.

The working principle of the utility model is as follows: when a vehicle collides with the guardrail, the first protection tube 11, the second protection tube 13 and the third protection tube 10 rotate on the guardrail 5, the direction of the vehicle striking the guardrail is changed, the vehicle is guided towards two sides of the guardrail, the problem that the guardrail is directly broken through when the vehicle collides with the guardrail is solved, and meanwhile, when the vehicle strikes the first protection tube 11, the first protection tube 11 absorbs part of energy, the first spring 14 is compressed to absorb energy, then the rest of energy is transferred to the second protection tube 13 and the buffering device to absorb energy so as to counteract the impact force, the rest of energy is absorbed by the third protection tube 10, and after the vehicle breaks away from the first protection tube 11, the second protection tube 13, the third protection tube 10 and the first spring 14 are restored under the action of elasticity of the vehicle, so that the guardrail 5 is not injured, and the damage of the vehicle can be reduced.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a bridge anticollision barrier, includes two support column (2), its characterized in that, two all seted up two first recess (3) on support column (2), every two first recess (3) are the symmetry setting, every two be equipped with connecting plate (1) in first recess (3) lateral wall fixedly connected with a plurality of railing (5) between connecting plate (1), every all overlap on railing (5) and be equipped with third protection tube (10), third protection tube (10) are connected with second protection tube (13) through a plurality of buffer, fixedly connected with a plurality of first springs (14) on the lateral wall of second protection tube (13), a plurality of one end fixedly connected with first protection tube (11) of first spring (14), two all be equipped with fixing device on support column (2).

2. The bridge anti-collision guardrail according to claim 1, characterized in that each buffer device comprises a second groove (15), the second grooves (15) are formed in the third protection tube (10), through holes (18) penetrating through the second grooves (15) and the third protection tube (10) are formed in the side walls of the second grooves (15), connecting rods (16) are connected in the second grooves (15) in a sliding mode, one ends of the connecting rods (16) penetrate through the side walls of the through holes (18) and are fixedly connected to the inner side walls of the second protection tube (13), second springs (17) are sleeved on the connecting rods (16), one ends of the second springs (17) are fixedly connected to the side walls of the second grooves (15), and the other ends of the second springs (17) are fixedly connected to the side walls of the connecting rods (16).

3. A bridge crash barrier as claimed in claim 1 wherein each said securing means comprises a spacer (6), said spacer (6) being fixedly connected to the bottom side wall of said support column (2) and being upwardly movable, said spacer (6) being threadably connected to a plurality of bolts (7), each said bolt (7) being threadably connected to a reinforcing nut (8).

4. A bridge crash barrier according to claim 3, wherein the first protection tube (11), the second protection tube (13) and the third protection tube (10) are all made of silica gel.

5. A bridge crash barrier according to claim 3, wherein the bottom end of each bolt (7) is fixedly connected with a fixing piece (9).

6. The bridge crash barrier according to claim 1, wherein a cushion pad (12) is fixedly connected to the inner side wall of the third protective tube (10).

7. The bridge anti-collision guardrail according to claim 1, wherein the upper side walls of the two support columns (2) are fixedly connected with cover plates (4), and warning strips are arranged on the cover plates (4).