CN211368370U

CN211368370U - Rail guard is used in bridge construction

Info

Publication number: CN211368370U
Application number: CN201921308816.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: 李�杰
Current assignee: Zhanjiang highway engineering team of Guangdong Province
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-08-28
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a rail guard for bridge construction, including the fence body, the both sides of the fence body are passed through cable fixed connection, and mounting panel fixed connection is passed through to one side that the fence body is relative, and sealed chamber has all been seted up to the inside of two mounting panels, and the rear side fixedly connected with gasbag of sealed intracavity wall, locating lever fixed connection is passed through to the side around the sealed intracavity wall, and the surface at the both ends of locating lever all is fixed the cup joint has the spring, this rail guard for bridge construction, when the traffic accident takes place in the driving, when the automobile body contacts to by the cylinder on, the cylinder takes place to roll under the exogenic action. When the transverse impact force is too large, the roller is impacted, so that the rotating rod fixedly connected with the roller drives the movable box to slide in the sealing cavity inside the mounting plate, at the moment, the sliding block compresses the spring to the maximum deformation position, the elastic force fails, the movable box impacts the air bag, the air bag explodes, the sealing cavity enables the gas exploded out instantly to have no position to disperse, certain rebound occurs, and a certain buffering effect can be achieved.

Description

Rail guard is used in bridge construction

Technical Field

The utility model relates to a rail guard technical field specifically is a rail guard is used in bridge construction.

Background

The guard rail is an important traffic infrastructure for guaranteeing the driving safety of people, most of the existing bridge guard rails are made of a combination of a cement base and a steel guard rail, when a traffic accident happens, an automobile can collide against the guard rail, but the existing guard rails are too high in hardness, insufficient in elasticity and small in impact alleviation capacity, and the dangerous situations of the automobile and personnel on the automobile can be aggravated. In addition, in order to ensure the safety of road driving at night, warning signs are required to be arranged on guard rails of roads and bridges.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rail guard is used in bridge construction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a protective guard for bridge construction comprises a guard body, wherein two sides of the guard body are fixedly connected through an iron cable, one side of the fence body opposite to the fence body is fixedly connected through mounting plates, the insides of the two mounting plates are both provided with a sealing cavity, the rear side of the inner wall of the sealing cavity is fixedly connected with an air bag, the front side and the rear side of the inner wall of the sealing cavity are fixedly connected through a positioning rod, the surfaces of the two ends of the positioning rod are fixedly sleeved with springs, the two sides of the inner wall of the sealing cavity are fixedly connected with rectangular slide rails, the interior of each rectangular slide rail is connected with a slide block in a sliding manner, and the opposite sides of the two sliding blocks are fixedly connected through a movable box, a rotating groove is arranged in the movable box, the inside of the rotating groove is movably connected with a rotating rod, the surface of the rotating rod is fixedly sleeved with an annular absorption layer, the surface of the annular absorption layer is fixedly sleeved with a hard shockproof layer, and the surface of the hard shockproof layer is fixedly sleeved with a roller.

Preferably, the annular absorption layer is made of plastic, and a plurality of honeycomb-shaped through holes are formed in the annular absorption layer.

Preferably, the number of the air cells is five, and the five air cells are arranged in a line on the rear side of the inner wall of the sealing chamber.

Preferably, the shape of the rotating groove is a convex shape.

Preferably, the part of the outer side of the roller protrudes out of the fence body.

Preferably, the surface of the drum is coated with a photoluminescent material.

Compared with the prior art, the beneficial effects of the utility model are that: when a traffic accident happens during driving, a vehicle collides against the protective guard, when a vehicle body contacts the roller, the roller rolls under the action of external force, the transverse impact force of the vehicle body is converted into forward force, the force unloading effect is generated, and meanwhile, the anti-collision layer and the plastic honeycomb annular absorption layer in the roller absorb a part of transverse impact force to generate the cushioning effect. When the transverse impact force is too large, the roller is impacted, so that the rotating rod fixedly connected with the roller drives the movable box to slide in the sealing cavity inside the mounting plate, at the moment, the sliding block compresses the spring, the spring absorbs partial impact force in the contraction process and plays a certain buffering role, when the spring is extruded to the maximum deformation position, the elastic force fails, the movable box can impact the air bag, the air bag explodes, the sealing cavity enables the gas generated by explosion to be dispersed without position, certain instant rebound occurs, and a certain buffering effect can be played. In addition, the photoluminescence material coated on the surface of the roller can emit light at night, so that people are guided to drive at night, and the safety of driving at night is guaranteed. The guard rail has the advantages of simple structure, quick response and wide implementation range.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the mounting plate of the present invention;

FIG. 3 is a sectional view of the mounting plate of the present invention;

fig. 4 is a sectional view of the drum of the present invention.

In the figure: 1 hurdle body, 2 iron cables, 3 mounting plates, 4 sealing cavities, 5 air bags, 6 positioning rods, 7 springs, 8 rectangular sliding rails, 9 sliding blocks, 10 movable boxes, 11 rotating grooves, 12 rotating rods, 13 annular absorption layers, 14 hard anti-collision layers and 15 rollers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a protective guard for bridge construction comprises a guard body 1, two sides of the guard body 1 are fixedly connected through iron cables 2, the iron cables 2 play a fixing role, and meanwhile people or vehicles are prevented from turning over the protective guard, one opposite side of the guard body 1 is fixedly connected through mounting plates 3, two sealing cavities 4 are formed in the mounting plates 3, air bags 5 are fixedly connected to the rear sides of the inner walls of the sealing cavities 4, the number of the air bags 5 is five, the five air bags 5 are arranged on the rear sides of the inner walls of the sealing cavities 4 in a straight line, the air bags 5 explode in the sealing cavities 4 after being collided, exploded gas can disperse due to no part to form instant recoil, a certain buffering effect is achieved, the front side and the rear side of the inner walls of the sealing cavities 4 are fixedly connected through positioning rods 6, springs 7 are fixedly sleeved on the surfaces of two ends of the positioning rods 6, the positioning rods 6 penetrate through sliding blocks 9 and the springs 7 at the same time, play certain limiting action, prevent to shake in the sliding process, spring 7 absorbs some impact force in the compression process, also can play the cushioning effect of the small part, both sides of the inner wall of the sealed chamber 4 are fixedly connected with the rectangular slide rail 8, the inside of the rectangular slide rail 8 is connected with the slide block 9 in a sliding way, the slide block 9 ensures that the reaction process is quicker when the collision happens, can compress the spring 7 and the air bag 5 in a short time, and one side opposite to the two slide blocks 9 is fixedly connected through the movable box 10, the inside of the movable box 10 is provided with the rotating groove 11, the shape of the rotating groove 11 is in a shape of 'convex', which not only ensures that the rotating rod 12 rotates in the inside, but also plays a limiting action, prevents the rotating rod 12 from changing the movement track due to the overlarge impact force, the inside of the rotating groove 11 is movably connected with the rotating rod 12, the surface of the rotating rod 12 is fixedly sleeved with the annular absorption layer 13, annular absorbed layer 13 is the plastics material, and has seted up a plurality of honeycomb through-holes on the annular absorbed layer 13, and honeycomb through-hole extrudees gas when accepting the collision, plays certain cushioning effect, the fixed cover in surface of annular absorbed layer 13 has connect stereoplasm anticollision layer 14, the fixed surface of stereoplasm anticollision layer 14 has cup jointed cylinder 15, and the part in the cylinder 15 outside is outstanding in fence body 1, and what guarantee the car at first contacted when hitting the rail guard is cylinder 15, and cylinder 15 takes place to rotate when receiving the striking, changes the automobile body direction of force, plays the effect of certain power of unloading, and the surface of cylinder 15 scribbles photoluminescence material, and this material can absorb sunshine on daytime, gives night luminous, can give the people's direction of driving at night, ensures people's safety at night driving.

The working principle is as follows: when a guardrail for bridge construction is impacted by an automobile, an automobile body firstly impacts a roller 15, the roller 15 rotates and deforms, partial transverse impact force is converted into forward force by the rotation of the roller 15, a certain-degree force unloading effect is achieved, a hard anti-collision layer 14 fixedly connected inside the roller 15 buffers impact of a certain degree, and an annular absorption layer 13 absorbs a part of impact force through honeycomb-shaped through holes formed in the annular absorption layer to extrude gas, so that the buffering effect is achieved. When the horizontal impact force is too big, cylinder 15 is strikeed, make the bull stick 12 with cylinder 15 fixed connection drive activity box 10 and take place to slide in the sealed chamber 4 of mounting panel 3 inside, at this moment, slider 9 compression spring 7 with activity box 10 fixed connection, spring 7 has absorbed partial impact force at the shrink in-process, play certain cushioning effect, when spring 7 is compressed to the biggest deformation department also when having lost elasticity, activity box 10 can strike gasbag 5, gasbag 5 explodes, sealed chamber 4 makes the gas that the explosion comes out in the twinkling of an eye nowhere can scatter, thereby take place certain bounce-back, just can play certain cushioning effect. In addition, the photoluminescence material coated on the surface of the roller 15 can absorb sunlight in the daytime and emit light at night, so that people can be guided to drive at night, and the safety of driving at night is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rail guard is used in bridge construction, includes hurdle body (1), its characterized in that: the two sides of the fence body (1) are fixedly connected through an iron cable (2), one opposite side of the fence body (1) is fixedly connected through a mounting plate (3), two sealing cavities (4) are formed in the two mounting plates (3), an air bag (5) is fixedly connected to the rear side of the inner wall of each sealing cavity (4), the front side and the rear side of the inner wall of each sealing cavity (4) are fixedly connected through a positioning rod (6), springs (7) are fixedly sleeved on the surfaces of the two ends of each positioning rod (6), rectangular sliding rails (8) are fixedly connected to the two sides of the inner wall of each sealing cavity (4), sliders (9) are slidably connected to the inner portions of the rectangular sliding rails (8), one opposite side of each slider (9) is fixedly connected through a movable box (10), a rotating groove (11) is formed in each movable box (10), and a rotating rod (12) is movably connected to the inner portion of each rotating groove (11), the surface of the rotating rod (12) is fixedly sleeved with an annular absorption layer (13), the surface of the annular absorption layer (13) is fixedly sleeved with a hard anti-collision layer (14), and the surface of the hard anti-collision layer (14) is fixedly sleeved with a roller (15).

2. The protective guard for bridge construction according to claim 1, wherein: the annular absorption layer (13) is made of plastic materials, and a plurality of honeycomb-shaped through holes are formed in the annular absorption layer (13).

3. The protective guard for bridge construction according to claim 1, wherein: the number of the air bags (5) is five, and the five air bags (5) are arranged at the rear side of the inner wall of the sealing cavity (4) in a line.

4. The protective guard for bridge construction according to claim 1, wherein: the shape of the rotating groove (11) is in a convex shape.

5. The protective guard for bridge construction according to claim 1, wherein: the part of the outer side of the roller (15) protrudes out of the hurdle body (1).

6. The protective guard for bridge construction according to claim 1, wherein: the surface of the drum (15) is coated with a photoluminescent material.