CN220847281U

CN220847281U - Expressway anti-collision guardrail plate

Info

Publication number: CN220847281U
Application number: CN202322589111.8U
Authority: CN
Inventors: 李占武; 王保民; 李武林; 李占威
Original assignee: Shandong Guanxian Hengliang Pipe Industry Co ltd
Current assignee: Shandong Guanxian Hengliang Pipe Industry Co ltd
Priority date: 2023-09-23
Filing date: 2023-09-23
Publication date: 2024-04-26
Anticipated expiration: 2033-09-23

Abstract

The utility model discloses an anti-collision guardrail plate for a highway, which relates to the technical field of road safety equipment and comprises a lower fixing plate, wherein a plurality of groups of fixing rods are arranged on the inner wall of the lower fixing plate and located at the lower end in a penetrating manner, two groups of rollers are movably connected to the outer side walls of the plurality of groups of fixing rods, limit posts are fixedly connected to the upper ends of the plurality of groups of fixing rods, mounting blocks are arranged at the lower ends of the plurality of groups of limit posts, and connecting lugs are fixedly connected to the two sides of the plurality of groups of mounting blocks. The damper plays a role in thrust direction to the two groups of mounting blocks through extrusion, and buffers impact force, so that the upper end position of the fixed rod can be well stabilized, bending deformation of the fixed rod is prevented, and meanwhile, the second spring, the fixed bolt, the upper and lower groups of movable extrusion plates and the fixed extrusion plates are matched to extrude the fixed rollers, so that the distances among the multiple groups of rollers are kept relatively stable, and the protection effect on an impacting vehicle is further enhanced.

Description

Expressway anti-collision guardrail plate

Technical Field

The utility model relates to the technical field of road safety equipment, in particular to an anti-collision guardrail plate for an expressway.

Background

The high-speed crash barrier is a major form of semi-rigid barrier, which is a continuous structure of corrugated steel barrier plates spliced to one another and supported by main posts. The deformation of soil base, upright post and cross beam is used to absorb collision energy, and the uncontrolled vehicle is forced to change direction and return to normal running direction, so that the vehicle is prevented from rushing out of road, the vehicle and passengers are protected, and the loss caused by accident is reduced. The novel roller type guard rail is made of EVA and polyurethane composite materials, has the characteristics of high elasticity and wear resistance, has enough strength to avoid being broken, can absorb a large amount of impact force again, further improves safety protection capability, effectively protects drivers and vehicles, and further adopts a one-column four-rail mode, and then the performance of the upright posts and the guardrails is enhanced, so that the probability that the automobile rushes out of the guardrails is greatly reduced.

Among the prior art, as chinese patent CN203755206U discloses a highway guardrail board and crash barrier, including first circular arc, second circular arc and connecting plate, the connecting plate is located between first circular arc and the second circular arc, and first circular arc, second circular arc and connecting plate all include outside buffering barrier layer, inboard buffering barrier layer and are located outside buffering barrier layer and the middle buffering barrier layer between the inboard buffering barrier layer.

However, in the prior art, when the roller type guard rail is impacted by a running vehicle, as the connecting force among the plurality of groups of roller reinforcing columns is weaker, the rollers are easy to shift when impacted, and the upper ends of the reinforcing columns are shifted together, so that the reinforcing columns are bent and damaged, and the protection effect on the impacting vehicle is reduced.

Disclosure of utility model

The utility model aims to solve the problems that when a roller type guard rail in the prior art is impacted by a running vehicle, as the connecting force among a plurality of groups of roller reinforcing columns is weak, the rollers are easy to shift when impacted, and the upper ends of the reinforcing columns shift together, so that the reinforcing columns are bent and damaged, and the protection effect on the impacting vehicle is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a highway anticollision guardrail board, includes the fixed plate down, the inner wall of fixed plate just is located the lower extreme and runs through and be provided with multiunit dead lever, multiunit the equal swing joint of lateral wall of dead lever has two sets of cylinders, multiunit the upper end fixedly connected with spacing post of dead lever, multiunit the lower extreme of spacing post all is provided with the installation piece, multiunit the equal fixedly connected with engaging lug in both sides of installation piece, two sets of the intermediate position department of installation piece all is provided with a spring, the inside of a spring is provided with the attenuator, the outside of installation piece is provided with solid fixed ring, go up gu fixed ring's lower extreme and be located one side position department fixedly connected with multiunit fixed extrusion plate, multiunit one side of fixed extrusion plate just is close to upper and lower both ends position department and all runs through and be provided with the mount bolt, multiunit the lateral wall of mount bolt all is provided with No. spring, multiunit No. two spring's one end all is provided with the removal extrusion plate, multiunit the one end of removal extrusion plate has seted up flutedly, go up the lower extreme of solid fixed ring and be located the fixed ring's lower extreme position department and be located the fixed position department of stopper.

Preferably, the two sides of the fixed extrusion plate are respectively contacted with the outer side walls of the four groups of rollers at the positions of the upper end and the lower end, and the two sides of the movable extrusion plate are respectively contacted with the outer side walls of the two groups of rollers.

Preferably, the outer side wall of the mounting bolt is movably connected with the inner wall of the movable extrusion plate at a position close to one end, and the lower end of the fixed extrusion plate is fixedly connected with the upper end of the lower fixed plate at the position of the other side.

Preferably, two ends of the damper are respectively fixed with the inner walls of the two groups of connecting lugs, and two ends of the first spring are respectively fixed with the inner walls of the two groups of connecting lugs.

Preferably, the outer walls of the plurality of groups of limiting blocks are respectively connected with the inner walls of the plurality of groups of movable extrusion plates in a sliding manner through the plurality of groups of grooves.

Preferably, the outer side wall of the fixing rod penetrates through the lower end of the mounting block.

Preferably, the lower ends of the upper fixing rings are contacted with the upper ends of the plurality of groups of rollers, and the upper ends of the lower fixing plates are contacted with the lower ends of the plurality of groups of rollers.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. According to the utility model, the distance between two adjacent groups of rollers is reduced after the rollers are impacted, at the moment, two groups of connecting lugs respectively positioned at one side of the two groups of mounting blocks work together with a spring and a damper, the spring is stressed and compressed, the damper is further promoted to be extruded to play a role in directional thrust and impact force buffering on the two groups of mounting blocks, the connecting effect between the fixing rods is enhanced, the upper end position of the fixing rods can be well stabilized, bending deformation of the fixing rods is prevented, meanwhile, when a plurality of groups of rollers are extruded to deform, the movable extrusion plates slide along the limiting blocks through the grooves, the limiting blocks push the spring II to deform, and meanwhile, the mounting bolts slide in the fixed extrusion plates, so that the upper and lower groups of movable extrusion plates and the fixed extrusion plates cooperate with the fixed extrusion plates to extrude the fixing rollers, the distance between the plurality of groups of rollers is kept relatively stable, and the protection effect on an impacting vehicle is further enhanced.

2. According to the utility model, the lower end of the fixing rod is firmly fixed with the roadbed, when the vehicle side moves to strike the protection plate, the plurality of groups of rollers are matched to rotate when the vehicle side moves, and meanwhile, the side walls of the plurality of groups of impacted rollers generate elastic deformation, so that the kinetic energy of the vehicle striking can be converted into the elastic potential energy of the rollers, the striking force of the vehicle is well buffered, the striking vehicle is better protected, and the risk of injury of personnel in the vehicle is reduced.

Drawings

FIG. 1 is a schematic front perspective view of a highway crash barrier according to the present utility model;

FIG. 2 is a schematic view showing a part of the structure of a highway crash barrier according to the present utility model;

FIG. 3 is a schematic view of a spring and damper of a highway crash barrier according to the present utility model;

Fig. 4 is a schematic view showing a mounting bolt and a second spring of a highway crash barrier according to the present utility model.

Legend description: 1. a limit column; 2. a fixed rod; 3. a mounting block; 4. a limiting block; 5. a roller; 6. a connecting lug; 7. a first spring; 8. a damper; 9. fixing the extrusion plate; 10. a mounting bolt; 11. a second spring; 12. moving the squeeze plate; 13. a groove; 14. an upper fixing ring; 15. and a lower fixing plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

As shown in fig. 1-4, the utility model provides an anti-collision guardrail plate for a highway, which comprises a lower fixing plate 15, wherein a plurality of groups of fixing rods 2 are arranged on the inner wall of the lower fixing plate 15 in a penetrating manner and positioned at the lower end, two groups of rollers 5 are movably connected to the outer side walls of the plurality of groups of fixing rods 2, a limit post 1 is fixedly connected to the upper end of the plurality of groups of fixing rods 2, mounting blocks 3 are arranged at the lower ends of the plurality of groups of limit posts 1, connecting lugs 6 are fixedly connected to the two sides of the plurality of groups of mounting blocks 3, a first spring 7 is arranged at the middle position of the two groups of mounting blocks 3, a damper 8 is arranged in the first spring 7, an upper fixing ring 14 is arranged on the outer side of the mounting blocks 3, a plurality of fixing pressing plates 9 are fixedly connected to the lower end of the upper fixing ring 14 and positioned at one side, mounting bolts 10 are arranged on one side of the plurality of the fixing pressing plates 9 and are arranged at positions close to the upper end and the lower end respectively, a moving plate 12 is arranged at one end of the plurality of the second spring 11, a groove 13 is formed at one end of the plurality of the moving plates 12, a plurality of pressing rings 14 are arranged at the other side of the fixing plates and the lower end of the fixing plates are positioned at the position of the fixing plate 15.

In detail, the specific arrangement and action of this embodiment are described below, the distance between two adjacent groups of rollers 5 after being impacted is reduced, at this time, two groups of connecting lugs 6 respectively located at one side of two groups of installation blocks 3 work in cooperation with a spring 7 and a damper 8, the spring 7 is compressed under force, further the damper 8 is promoted to be extruded to play the direction thrust to the two groups of installation blocks 3, the impact force is buffered, and the connection action between the reinforcing fixing rods 2 is played, the upper end position of the fixing rods 2 can be well stabilized, bending deformation of the fixing rods 2 is prevented, meanwhile, when a plurality of groups of rollers 5 are extruded to generate deformation, the moving extrusion plates 12 slide along the limiting blocks 4 through the grooves 13, the limiting blocks 4 push the spring 11 to generate deformation, meanwhile, the installation bolts 10 slide in the fixing extrusion plates 9, so that the upper group of moving extrusion plates 12 and the lower group of moving extrusion plates 9 cooperate with the fixing extrusion plates 5, the distance between the plurality of groups of rollers 5 is kept relatively stable, and the protection action on impacting vehicles is further enhanced.

Example two

As shown in fig. 1 to 4, the two sides of the fixed extrusion plate 9 are respectively contacted with the outer side walls of the four groups of rollers 5 at the positions of the upper end and the lower end, the two sides of the movable extrusion plate 12 are respectively contacted with the outer side walls of the two groups of rollers 5, the outer side walls of the mounting bolts 10 are movably connected with the inner walls of the movable extrusion plate 12 at the positions close to one end, the lower end of the fixed extrusion plate 9 is fixedly connected with the upper end of the lower fixed plate 15 and the position of the other end, the two ends of the damper 8 are respectively fixed with the inner walls of the two groups of connecting lugs 6, the two ends of the first spring 7 are respectively fixed with the inner walls of the two groups of connecting lugs 6, the outer walls of the groups of the limiting blocks 4 are respectively connected with the inner walls of the groups of the movable extrusion plate 12 in a sliding manner through the groups of grooves 13, the outer side walls of the fixed rod 2 penetrate through the lower ends of the mounting block 3, the lower ends of the upper fixed ring 14 are respectively contacted with the upper ends of the groups of the rollers 5, and the upper ends of the lower fixed plate 15 are respectively contacted with the lower ends of the groups of the rollers 5.

The effect that its whole embodiment reached is, firmly fixed with the road bed through the lower extreme of dead lever 2, when the vehicle side moves and strikes the guard plate, because the vehicle still is moving, so multiunit cylinder 5 cooperates the rotation when the vehicle side moves, and multiunit cylinder 5 lateral wall that receives the striking produces elastic deformation simultaneously, can convert the kinetic energy of car striking into the elastic potential energy of cylinder 5, cushion the impact of vehicle well, better protection striking vehicle reduces the interior personnel injury risk of car.

The application method and the working principle of the device are as follows: through the lower extreme of dead lever 2 firmly fixed with the road bed, when the vehicle side moves the striking and strikes the guard plate, because the vehicle still is moving, so multiunit cylinder 5 cooperates the rotation when the vehicle side moves, receive the multiunit cylinder 5 lateral wall of striking simultaneously and produce elastic deformation, can convert the kinetic energy of car striking into the elastic potential energy of cylinder 5, buffer the striking power of vehicle well, better protection striking vehicle, reduce personnel injury risk in the car, two sets of cylinders 5 receive the striking back distance reduction simultaneously, two sets of engaging lugs 6 that are located two sets of installation piece 3 one side respectively cooperate spring 7 and attenuator 8 work, spring 7 atress compression now, further promote attenuator 8 to receive the extrusion to the effect of direction thrust of two sets of installation piece 3, the influence of buffering striking power, and play the connecting action between the reinforcing dead lever 2, the upper end position of stabilizing the dead lever 2 that can be fine, prevent that dead lever 2 from taking place bending deformation, simultaneously when multiunit cylinder 5 receives the extrusion to produce deformation, moving stripper plate 12 slides along stopper 4 through recess 13, stopper 4 promotes two numbers 11 and produces, simultaneously install 10 in the stripper plate 9 and make the relative motion between two sets of cylinders 9 and the fixed roller 5 are kept the fixed relatively, the fixed distance between the fixed cylinder of fixed roller is fixed to the fixed.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a highway anticollision guardrail board, includes fixed plate (15), its characterized in that: the inner wall and the being located of lower fixed plate (15) are run through and are provided with multiunit dead lever (2), multiunit the equal swing joint of lateral wall of dead lever (2) have two sets of cylinders (5), multiunit the upper end fixedly connected with spacing post (1) of dead lever (2), multiunit the lower extreme of spacing post (1) all is provided with installation piece (3), multiunit the both sides of installation piece (3) are all fixedly connected with engaging lug (6), two sets of intermediate position department of installation piece (3) all is provided with spring (7), the inside of spring (7) is provided with attenuator (8), the outside of installation piece (3) is provided with fixed ring (14), the lower extreme of going up fixed ring (14) just is located one side position department fixedly connected with multiunit fixed extrusion plate (9), multiunit one side of fixed extrusion plate (9) just is close to upper and lower both ends position department all runs through and is provided with mounting bolt (10), multiunit the lateral wall of mounting bolt (10) all is provided with spring (11), the inside of spring (7), the inside of spring (11) is provided with attenuator (12) all is provided with one end of multiunit spring (12), the lower end of the upper fixing ring (14) is positioned at the other side position and the upper end of the lower fixing plate (15) is fixedly connected with a plurality of groups of limiting blocks (4) at the one side position.

2. A highway crash barrier according to claim 1 wherein: the two sides of the fixed extrusion plate (9) are respectively contacted with the outer side walls of the four groups of rollers (5) at the positions of the upper end and the lower end, and the two sides of the movable extrusion plate (12) are respectively contacted with the outer side walls of the two groups of rollers (5).

3. A highway crash barrier according to claim 1 wherein: the outer side wall of the mounting bolt (10) is movably connected with the inner wall of the movable extrusion plate (12) at a position close to one end, and the lower end of the fixed extrusion plate (9) is fixedly connected with the upper end of the lower fixed plate (15) at the position of the other side.

4. A highway crash barrier according to claim 1 wherein: the two ends of the damper (8) are respectively fixed with the inner walls of the two groups of connecting lugs (6), and the two ends of the first spring (7) are respectively fixed with the inner walls of the two groups of connecting lugs (6).

5. A highway crash barrier according to claim 1 wherein: the outer walls of the plurality of groups of limiting blocks (4) are respectively connected with the inner walls of the plurality of groups of movable extrusion plates (12) in a sliding manner through the plurality of groups of grooves (13).

6. A highway crash barrier according to claim 1 wherein: the outer side wall of the fixing rod (2) penetrates through the lower end of the mounting block (3).

7. A highway crash barrier according to claim 1 wherein: the lower ends of the upper fixing rings (14) are contacted with the upper ends of the plurality of groups of rollers (5), and the upper ends of the lower fixing plates (15) are contacted with the lower ends of the plurality of groups of rollers (5).