CN219951689U - Public road bridge roof beam anticollision barrier - Google Patents

Abstract

The utility model discloses a highway bridge anti-collision guardrail, which comprises a bottom plate, wherein the upper surface of the bottom plate is provided with a plurality of movable grooves, sliding strips are connected in the plurality of movable grooves in a sliding manner, the end parts of the movable grooves are provided with elastic components for driving the sliding strips to move towards one end, and a buffer wheel carrier is arranged above the sliding strips. The locomotive constantly contacts with a plurality of solitary buffer rollers and leads, reduces the vehicle speed, finally makes the vehicle that runs away stop, when later replacement, will receive the buffer wheel carrier of striking to take off from the draw runner through supporting the connecting piece and change alone, whole change process is swift convenient, can change alone to the buffer roller of damage simultaneously, and through the mode of a plurality of buffer rollers one by one with the automobile body contact, fine impact force of having alleviateed the vehicle has avoided causing the buffer roller to damage together with the bottom plate because of impact force, very big reduction replacement cost.

Description

Public road bridge roof beam anticollision barrier

Technical Field

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

Background

Road and bridge construction is also rapidly developing, but the following road and traffic safety accidents are increasingly prominent, in order to prevent automobiles from rushing out of the road surface in case of accidents, anti-collision guardrails are usually arranged on two sides of the road surface, the existing road and bridge guardrails are usually reinforced concrete anti-collision guardrails, the guardrail parts are rigidly connected, and the guardrail parts do not have any buffer function.

The patent with the bulletin number of CN218643270U discloses a public road bridge beam crash barrier, which comprises a base and a frame, the frame activity sets up the upper end of base, the base with the cooperation is provided with one-level buffer gear between the frame, in this device, when the car bumps with frame or leading wheel, makes the frame atress slide on the base, and connecting block extrusion spring simultaneously to buffer protection reduces car and crashproof board impaired, improves the practicality.

When the guardrail is impacted, the frame is stressed to slide backwards on the base, and meanwhile, the connecting block at the bottom is driven to slide on the limiting rod in the mounting groove and squeeze the spring, so that collision damage of the vehicle and the frame or the guide wheel is reduced, a buffering and damping effect is achieved, the frame slides backwards and simultaneously squeezes the sliding block, the sliding block slides on the limiting plate and simultaneously squeezes the telescopic rod at the inner side, the frame provides supporting force for sliding backwards, and the buffering effect is further improved.

All the guide wheels are fixedly and rotatably connected in the frame, when a vehicle collides with the guide wheels, the contact between the vehicle corner and a certain guide wheels occurs, and when the contact occurs, the guide wheels are relatively fixed with the frame, so that the frame and the guide wheels are required to be detached completely when the anti-collision guardrail is replaced subsequently, the replacement cost is definitely increased, and when the contact occurs, the frame is impacted and stressed on one side, and the rear side of the frame is supported by only one support rod, so that the base and the support rods are extremely easy to damage, and the replacement cost is further increased.

Disclosure of Invention

The present utility model aims to solve the above problems and provide a highway bridge crash barrier, which is described in detail below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a highway bridge anti-collision guardrail, which comprises a bottom plate, wherein the upper surface of the bottom plate is provided with a plurality of movable grooves, sliding strips are connected in the plurality of movable grooves in a sliding manner, the end parts of the movable grooves are provided with elastic components for driving the sliding strips to move towards one end, a buffer wheel carrier is arranged above the sliding strips, the section of the buffer wheel carrier is -shaped, the bottom surface of the buffer wheel carrier is detachably connected with the surface of the sliding strips through a supporting connecting piece, and buffer rollers are rotationally connected between the upper side wall and the lower side wall of the buffer wheel carrier.

Adopt above-mentioned public road bridge roof beam anticollision barrier, when taking place the striking, locomotive one corner and some buffer roller contact, along with the rotation of buffer roller is led the automobile body, receive the buffer roller of striking simultaneously to drive the draw runner and remove in the movable groove, extrude elastic component, cushion the impact through elastic component's elasticity, along with locomotive constantly with a plurality of buffer roller contact direction, reduce vehicle speed, finally make the vehicle stop out of control, when later replacement, will receive the buffer wheel carrier of striking to take off from the draw runner through the support connecting piece and change alone.

Preferably, the elastic component comprises a sliding rod fixedly connected in the movable groove, a sliding rod hole sleeved with the sliding rod is formed in the middle of the sliding rod, a spring is connected between the end part of the sliding rod and the end wall of the movable groove, and the spring is sleeved outside the sliding rod.

Preferably, the bottom surface of the movable groove is an inclined surface, the lower end of the movable groove is provided with a drain hole, and the sliding strip is square and is in clearance fit with the movable groove.

Preferably, the support connecting piece comprises a triangle fixedly connected to the lower end of the side wall of the buffer wheel frame, a T-shaped clamping block is fixedly connected to the bottom surface of the buffer wheel frame, a T-shaped clamping groove which is clamped with the T-shaped clamping block is formed in the surface of the sliding strip, and a bolt connecting piece used for fixing the position of the triangle is arranged at the end part of the triangle.

Preferably, the bolt connecting piece comprises two sleeves fixedly connected to the end parts of the triangular plates, bolts are inserted into the two sleeves, and two bolt holes in threaded connection with the bolts are formed in the surface of the sliding strip.

Preferably, friction pads are fixedly connected to opposite surfaces of the buffer wheel frame, and the two friction pads are respectively abutted to two ends of the buffer roller.

Preferably, a buffer rubber pad is fixedly connected to the outer side of the buffer roller.

Preferably, the four corners of the bottom plate are fixedly connected with mounting lug plates.

The beneficial effects are that:

1. the locomotive constantly contacts with a plurality of solitary buffer rollers and leads, reduces the vehicle speed, finally makes the vehicle that runs away stop, when later replacement, will receive the buffer wheel carrier of striking to take off from the draw runner through supporting the connecting piece and change alone, whole change process is swift convenient, can change alone to the buffer roller of damage simultaneously, and through the mode of a plurality of buffer rollers one by one with the automobile body contact, fine impact force of having alleviateed the vehicle has avoided causing the buffer roller to damage together with the bottom plate because of impact force, very big reduction replacement cost.

2. By setting the bottom surface of the movable groove as an inclined surface, rainwater can flow down along the inclined surface and flow out of the drain hole, so that spring oxidation caused by rainwater accumulation in the movable groove is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a first perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

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

fig. 4 is an exploded perspective view of the support connector of the present utility model.

The reference numerals are explained as follows:

1. a bottom plate; 2. a movable groove; 3. an elastic component; 3a, sliding bars; 3b, a slide bar hole; 3c, a spring; 4. a support connection; 4a, a triangle; 4b, a T-shaped clamping block; 4c, T-shaped clamping grooves; 5. a bolt connection; 5a, inserting sleeve; 5b, a bolt; 5c, bolt holes; 6. a slide bar; 7. a buffer wheel frame; 8. a buffer roller; 9. buffering rubber cushion; 10. installing an ear plate; 11. a drain hole; 12. friction pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1-4, the utility model provides a highway bridge crash barrier, which comprises a bottom plate 1, wherein the upper surface of the bottom plate 1 is provided with a plurality of movable grooves 2, sliding strips 6 are connected in the plurality of movable grooves 2 in a sliding manner, the end parts of the movable grooves 2 are provided with elastic components 3 for driving the sliding strips 6 to move towards one end, a buffer wheel frame 7 is arranged above the sliding strips 6, the section of the buffer wheel frame 7 is -shaped, the bottom surface of the buffer wheel frame 7 is detachably connected with the surface of the sliding strips 6 through a supporting connecting piece 4, and buffer rollers 8 are rotatably connected between the upper side wall and the lower side wall of the buffer wheel frame 7.

Referring to fig. 3, the elastic component 3 includes a sliding rod 3a fixedly connected in the movable slot 2, a sliding rod hole 3b sleeved with the sliding rod 3a is provided in the middle of the sliding rod 6, a spring 3c is connected between the end of the sliding rod 6 and the end wall of the movable slot 2, the spring 3c is sleeved outside the sliding rod 3a, after the buffer roller 8 receives impact, the sliding rod 6 is driven to move in the movable slot 2, and meanwhile, the spring 3c is extruded, so that the impact force is buffered under the action of the elastic force of the spring 3 c.

Specifically, the bottom surface of the movable groove 2 is an inclined plane, the lower end of the movable groove is provided with a drain hole 11, the sliding strip 6 is square and is in clearance fit with the movable groove 2, so that rainwater can flow down along the inclined plane and flow out of the drain hole 11, and the spring 3c is prevented from being oxidized due to rainwater accumulation in the movable groove 2.

Referring to fig. 4, the support connector 4 includes a triangle 4a fixedly connected to the lower end of the side wall of the buffer wheel frame 7, a T-shaped clamping block 4b is fixedly connected to the bottom surface of the buffer wheel frame 7, a T-shaped clamping groove 4c clamped with the T-shaped clamping block 4b is formed in the surface of the slide bar 6, a bolt connector 5 for fixing the position of the triangle 4a is arranged at the end of the triangle 4a, the bolt connector 5 includes two sleeves 5a fixedly connected to the end of the triangle 4a, bolts 5b are inserted into the two sleeves 5a, two bolt holes 5c in threaded connection with the bolts 5b are formed in the surface of the slide bar 6, when the buffer wheel frame 7 is installed, the T-shaped clamping block 4b is inserted into the T-shaped clamping groove 4c to move, the T-shaped clamping block 4b is limited, after the buffer wheel frame 7 moves, the sleeves 5a and the bolt holes 5c are located on the same axis, and then the bolts 5b pass through the sleeves 5a to rotate in the bolt holes 5c, so that the triangle 4a is fixed, meanwhile, the triangle 4a is reinforced, the triangle 4a and the strength of the buffer wheel frame 6 is well replaced, and the triangle is a schematic diagram is convenient to realize, and the practical and the actual regulation.

Specifically, all fixedly connected with friction pad 12 on the opposite face of buffering wheel carrier 7, and two friction pads 12 respectively with the both ends butt of buffering roller 8, the setting of friction pad 12 can increase buffering roller 8's rotation resistance, makes the vehicle when rather than contacting, carries out the speed reduction by the frictional force of both to a certain extent, improves the buffering effect.

Further, the outside fixedly connected with buffering cushion 9 of buffering roller 8, the setting of buffering cushion 9, the accessible is its elastic characteristic and is cushioned the vehicle, and the great degree of simultaneously avoids vehicle and buffering roller 8 contact to lead to the large tracts of land fish tail of car lacquer.

Specifically, the four corners of the bottom plate 1 are fixedly connected with mounting lugs 10, so that the bottom plate 1 can be fixedly mounted with the ground.

By adopting the structure, when the collision occurs, one corner of the headstock is contacted with a plurality of buffer rollers 8, the car body is guided along with the rotation of the buffer rollers 8, meanwhile, the buffer rollers 8 which are impacted drive the slide bar 6 to move in the movable groove 2, the elastic component 3 is extruded, the collision force is buffered through the elastic force of the elastic component 3, the speed of the car is reduced along with the continuous contact and guiding of the headstock and the plurality of buffer rollers 8, the car is finally stopped, and the buffer wheel frames 7 which are impacted are taken down from the slide bar 6 through the supporting connecting pieces 4 for separate replacement during later replacement.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a public road bridge roof beam anticollision barrier which characterized in that: including bottom plate (1), a plurality of movable grooves (2) have been seted up to the upper surface of bottom plate (1), equal sliding connection has draw runner (6) in a plurality of these movable grooves (2), the tip of movable groove (2) is provided with and is used for driving draw runner (6) to elastic component (3) that one end removed, the top of draw runner (6) is equipped with buffering wheel carrier (7), and the cross-section of this buffering wheel carrier (7) is shape, the bottom surface of buffering wheel carrier (7) can dismantle with the surface of draw runner (6) through supporting connection piece (4), rotate between the lateral wall about buffering wheel carrier (7) and be connected with buffering roller (8).

2. A highway bridge crash barrier according to claim 1 wherein: the elastic component (3) is including slide bar (3 a) of fixed connection in movable groove (2), slide bar hole (3 b) of establishing with slide bar (3 a) cover is seted up at the middle part of draw runner (6), be connected with spring (3 c) between the tip of draw runner (6) and the end wall of movable groove (2), and spring (3 c) cover is established in the slide bar (3 a) outside.

3. A highway bridge crash barrier according to claim 1 wherein: the bottom surface of the movable groove (2) is an inclined plane, the lower end of the movable groove is provided with a drain hole (11), and the sliding strip (6) is square and is in clearance fit with the movable groove (2).

4. A highway bridge crash barrier according to claim 1 wherein: the support connecting piece (4) comprises a triangular plate (4 a) fixedly connected to the lower end of the side wall of the buffer wheel frame (7), a T-shaped clamping block (4 b) is fixedly connected to the bottom surface of the buffer wheel frame (7), a T-shaped clamping groove (4 c) clamped with the T-shaped clamping block (4 b) is formed in the surface of the sliding strip (6), and a bolt connecting piece (5) used for fixing the position of the triangular plate is arranged at the end of the triangular plate (4 a).

5. The highway bridge crash barrier of claim 4 wherein: the bolt connecting piece (5) comprises two plug sleeves (5 a) fixedly connected to the end parts of the triangular plates (4 a), bolts (5 b) are inserted into the two plug sleeves (5 a), and two bolt holes (5 c) in threaded connection with the bolts (5 b) are formed in the surface of the sliding strip (6).

6. A highway bridge crash barrier according to claim 1 wherein: friction pads (12) are fixedly connected to opposite surfaces of the buffer wheel frame (7), and the two friction pads (12) are respectively abutted to two ends of the buffer roller (8).

7. A highway bridge crash barrier according to claim 1 wherein: the outside of buffer roller (8) fixedly connected with buffering cushion (9).

8. A highway bridge crash barrier according to claim 1 wherein: four corners of the bottom plate (1) are fixedly connected with mounting lug plates (10).