CN219992300U

CN219992300U - Road bridge anticollision barrier

Info

Publication number: CN219992300U
Application number: CN202320620803.1U
Authority: CN
Inventors: 尤青松; 徐辉; 李兰银; 王浪
Original assignee: Wuhan Xindaya Road And Bridge Technology Co ltd
Current assignee: Wuhan Xindaya Road And Bridge Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-11-10
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to a road and bridge anti-collision guardrail, which comprises a guardrail body and a connecting rod, wherein the guardrail body comprises an upright post and a shell, the shell is a hollow cylinder with a cavity inside, a fixed plate is arranged at the bottom of the shell, a plurality of mounting holes are uniformly formed in the fixed plate, a circle of fracture inducing grooves are formed in the outer side of the bottom end of the shell, the upright post is vertically arranged, the lower half part of the upright post is buried underground, the upper half part of the upright post penetrates through the fixed plate and extends into the cavity, and flexible fillers are filled in the cavity; a plurality of connecting rods are arranged between the adjacent guardrail bodies from top to bottom, and the end parts of the connecting rods are arranged on the outer shells on the corresponding sides. The utility model has good anti-collision effect and can well absorb the impact generated when the automobile is impacted.

Description

Road bridge anticollision barrier

Technical Field

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

Background

The guardrails are important components of the road and bridge, are usually arranged on two sides of the road and bridge or between two-way lanes, can play a role in protection and isolation, increase the overall safety coefficient of the road and bridge, and can reduce the occurrence probability of dangerous accidents;

the traditional guardrail is of a metal guardrail rod type, but after a vehicle collides with the guardrail, the situation that the vehicle and the guardrail are deformed and damaged simultaneously is easily caused due to high rigidity, the impact cannot be well absorbed, the collision force between the vehicle and the guardrail cannot be reduced while the vehicle and the guardrail are protected, and the application range of the protection is narrowed;

the existing guardrail for shock absorption protection through the springs only achieves optimal shock absorption effect when the guardrail needs to be impacted at a specific angle (namely parallel to the axis of the springs), and the shock absorption effect is poor and cannot be well absorbed.

Disclosure of Invention

Aiming at the defects, the utility model provides the road and bridge anti-collision guardrail which has good anti-collision effect and can well absorb the impact generated when the road and bridge anti-collision guardrail is impacted.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a road bridge anticollision barrier, includes guardrail body and connecting rod, the guardrail body includes stand and shell, the shell is the hollow cylinder that the cavity was seted up to inside, the bottom of shell is provided with the fixed plate, evenly set up a plurality of mounting holes on the fixed plate, the round fracture induced groove has been seted up in the bottom outside of shell, the stand is vertical to be set up and the latter half buries underground, and the latter half of stand runs through the fixed plate and stretches into in the cavity, the cavity intussuseption is filled with flexible filler;

a plurality of connecting rods are arranged between the adjacent guardrail bodies from top to bottom, and the end parts of the connecting rods are arranged on the outer shells on the corresponding sides.

Further, a circle of barrier strips are arranged above the fracture inducing grooves at the bottom of the cavity of the shell, a bottom plate is arranged at the top of the barrier strips, the bottom plate is horizontally arranged on the outer side of the upright post, the upper surface of the shell is open, a top cover is arranged at the top of the shell and used for sealing the upper surface of the shell, and flexible fillers are arranged in gaps between the bottom plate and the top cover.

Further, the flexible filler is a plurality of filler blocks, and the filler blocks are made of one of EVA, PE, CR, PU foam or PORON.

Further, a plurality of connecting seats matched with the connecting rods are arranged on two sides of the shell from top to bottom, the connecting rods penetrate through the connecting seats and extend into the cavities, limiting blocks are arranged at the ends of the connecting rods, and buffering cushions are arranged between the limiting blocks and the connecting seats and outside the connecting rods.

Further, the top and the bottom of one end of the fixing seat, which is positioned in the cavity, are both provided with reinforcing ribs.

Further, the lower half part of the upright post is provided with a plurality of annular grooves from top to bottom.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

according to the utility model, the connection part of the bottom of the shell and the fixed plate is provided with the fracture inducing groove, when the guardrail is impacted at any angle, the fracture inducing groove is broken, so that the shell is separated from the fixed plate and deforms, the flexible filler in the cavity is compressed, the impact is absorbed through the deformation of the shell and the flexible filler, the anti-collision effect is achieved, the upright post is directly fixed under the ground, the shell is supported through the upright post after the guardrail is impacted, the connecting rod can exert a pulling force in the left-right direction on the shell, meanwhile, the buffer pad can play a certain buffering role, the upright post and the connecting rod are arranged to prevent transverse displacement, so that the impact is separated from a road bridge to cause larger loss, if the connecting rod is impacted, the connecting rod can pull the shells at two sides to deform through the limiting block, so that the flexible filler and the buffer pad are compressed to absorb the impact, and the anti-collision effect can be achieved.

The utility model will now be described in detail with reference to the drawings and examples.

Drawings

FIG. 1 is a schematic view of a structure in which two guardrail bodies of the present utility model are connected by a connecting rod;

FIG. 2 is a schematic perspective view of the guardrail body of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

fig. 4 is an enlarged view at a of fig. 3.

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

1. a guardrail body; 11. a column; 111. an annular groove; 12. a housing; 121. a fracture inducing groove; 122. a barrier strip; 123. a connecting seat; 124. reinforcing ribs; 13. a fixing plate; 131. a mounting hole; 14. a top cover; 2. a connecting rod; 21. a limiting block; 3. a flexible filler; 4. a bottom plate; 5. and a cushion pad.

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.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 and fig. 2, a road and bridge crash barrier comprises a barrier body 1 and a connecting rod 2, wherein the barrier body 1 comprises an upright post 11 and a shell 12, the shell 12 is a hollow cylinder with a cavity formed in the shell, a fixed plate 13 is arranged at the bottom of the shell 12, a plurality of mounting holes 131 are uniformly formed in the fixed plate 13, a circle of fracture inducing grooves 121 are formed in the outer side of the bottom end of the shell 12, the upright post 11 is vertically arranged, the lower half part of the upright post is buried underground, the upper half part of the upright post 11 penetrates through the fixed plate 13 and stretches into the cavity, and flexible fillers 3 are filled in the cavity;

a plurality of connecting rods 2 are arranged between the adjacent guardrail bodies 1 from top to bottom, and the end parts of the connecting rods 2 are arranged on the outer shells 12 on the corresponding sides.

As shown in fig. 3 and 4, as an embodiment, a circle of barrier ribs 122 is disposed above the fracture inducing slot 121 at the bottom of the cavity of the housing 12, a bottom plate 4 is disposed at the top of the barrier ribs 122, the bottom plate 4 is horizontally disposed at the outer side of the upright 11, the upper surface of the housing 12 is open, a top cover 14 is disposed at the top of the housing 12, the top cover 14 is used for closing the upper surface of the housing 12, and the flexible filler 3 is disposed in the gap between the bottom plate 4 and the top cover 14.

As an embodiment, the flexible filler 3 is a plurality of filler blocks, and the filler blocks are made of one of EVA, PE, CR, PU foam or PORON.

As shown in fig. 3, as an embodiment, a plurality of connection seats 123 matched with the connection rods 2 are disposed on two sides of the housing 12 from top to bottom, the connection rods 2 penetrate through the connection seats 123 and extend into the cavities, the end portions of the connection rods 2 are provided with limiting blocks 21, and a buffer cushion 5 is disposed between the limiting blocks 21 and the connection seats 123 on the outer side of the connection rods 2.

As an embodiment, the top and bottom of the end of the fixing base 123 located in the cavity are provided with reinforcing ribs 124, and the reinforcing ribs 124 are used for reinforcing the connection between the connecting base 123 and the housing 12, so as to prevent the connecting base 123 from being separated from the housing 12 after the housing is impacted.

As an embodiment, the lower half portion of the upright 11 is provided with a plurality of annular grooves 111 from top to bottom.

The working principle of the utility model is as follows:

and (2) mounting: the guardrail body 1 is evenly paved on the outer side of a road along the direction of the road, three connecting rods 2 are evenly arranged between the adjacent guardrail bodies 1 from top to bottom, before the guardrail body 1 is installed, the end part of each connecting rod 2 needs to be fixed in the shell 12 (one end of each connecting rod 2 can be penetrated through the corresponding connecting seat 123, the outer side of each end is sleeved with the corresponding buffer cushion 5, the limiting block 21 is fixed on the end part of each connecting rod 2 through the corresponding screw nut), when the guardrail body 1 is installed, the lower half part of each upright post 11 is buried underground firstly, in the embodiment, concrete is poured outside the lower half part of each upright post 11 underground, a plurality of chemical anchor bolts matched with the corresponding mounting holes 131 are buried at the top of the concrete, the shell 12 is sleeved outside the upper half part of each upright post 11 from top to bottom, the corresponding mounting holes 131 are penetrated through the chemical anchor bolts, the fixing plate 13 and the shell 12 are fixed on the ground through the nuts, the bottom plate 4 is arranged at the bottom of the cavity through the corresponding barrier bars 122, the flexible filler 3 is filled in the cavity, after the guardrail body 1 is filled, the top cover 14 is placed on the shell 12 (the top of the shell can be welded through the corresponding screw nuts or the corresponding nuts), and the surface of the shell 1 is welded, and the surface of the rivet is completely welded.

The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.

Claims

1. The utility model provides a road bridge anticollision barrier, its characterized in that includes guardrail body (1) and connecting rod (2), guardrail body (1) includes stand (11) and shell (12), shell (12) are the hollow cylinder that the cavity was seted up to inside, the bottom of shell (12) is provided with fixed plate (13), evenly set up a plurality of mounting holes (131) on fixed plate (13), round fracture induction groove (121) have been seted up in the bottom outside of shell (12), stand (11) vertical setting and lower half buries underground, and the upper half of stand (11) runs through fixed plate (13) and stretches into in the cavity, the cavity intussuseption is filled with flexible filler (3);

a plurality of connecting rods (2) are arranged between the adjacent guardrail bodies (1) from top to bottom, and the end parts of the connecting rods (2) are arranged on the outer shells (12) on the corresponding sides.

2. Road and bridge crash barrier according to claim 1, characterized in that the bottom of the cavity of the housing (12) is provided with a ring of barrier strips (122) above the fracture inducing groove (121), the top of the barrier strips (122) is provided with a bottom plate (4), the bottom plate (4) is horizontally arranged on the outer side of the upright post (11), the upper surface of the housing (12) is open, and the top of the housing (12) is provided with a top cover (14), the top cover (14) is used for closing the upper surface of the housing (12), and the flexible filler (3) is arranged in the cavity between the bottom plate (4) and the top cover (14).

3. The road bridge crash barrier according to claim 1, characterized in that the flexible filler (3) is a plurality of filler blocks made of one of EVA, PE, CR, PU foam or PORON.

4. The road bridge crash barrier according to claim 1, characterized in that a plurality of connecting seats (123) matched with the connecting rods (2) are arranged on two sides of the shell (12) from top to bottom, the connecting rods (2) penetrate through the connecting seats (123) and extend into the cavities, limiting blocks (21) are arranged at the end parts of the connecting rods (2), and buffer pads (5) are arranged between the limiting blocks (21) and the connecting seats (123) on the outer sides of the connecting rods (2).

5. The road and bridge crash barrier of claim 4 wherein the top and bottom of one end of the anchor block (123) within the cavity are each provided with a stiffening rib (124).

6. The road bridge crash barrier according to claim 1, characterized in that the lower half of the upright (11) is provided with a plurality of annular grooves (111) from top to bottom.