CN221398645U

CN221398645U - Protective fence for road and bridge engineering

Info

Publication number: CN221398645U
Application number: CN202322541243.3U
Authority: CN
Inventors: 李妍妍
Original assignee: Zhecheng County Highway Development Center
Current assignee: Zhecheng County Highway Development Center
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-07-23
Anticipated expiration: 2033-09-19

Abstract

The utility model belongs to the technical field of road and bridge engineering, and particularly discloses a protective fence for road and bridge engineering, which comprises a base, wherein a side column is fixedly connected to the top of the base, a top frame is connected to the inner side of the side column in a sliding manner, a guardrail body is arranged at the bottom of the top frame, a collision background is fixedly connected to the bottom of the guardrail body, a shifting table is connected to the inner side of the collision background in a sliding manner through a buffer protection mechanism, and a lifting mechanism for adjusting the height of the guardrail body is arranged at the top of the base. This road and bridge protection rail for engineering can provide the protection of certain degree to the vehicle when the guardrail is hit to the vehicle through buffering protection mechanism, carries out effective dissipation to the impact energy that the collision produced, reduces the injury that vehicle and passenger received, through absorption and dispersion collision energy, reduces the degree that the vehicle warp and change speed, reduces the risk of passenger injury to provide safer collision environment.

Description

Protective fence for road and bridge engineering

Technical Field

The application relates to the technical field of road and bridge engineering, in particular to a protective fence for road and bridge engineering.

Background

In road and bridge construction, a guard rail is a safety device for protecting traffic lanes and bridges, which is generally installed at edges of the bridges or both sides of the traffic lanes to prevent vehicles from accidentally rushing out of the bridges or roads, and to provide isolation, guidance, and warning functions.

Most of the existing guardrails can prevent the vehicles from rushing out of bridges or roads accidentally, but the rigid instantaneous impact force generated when the vehicles collide with the guardrails is large, the impact energy generated during collision cannot be effectively dissipated and can be directly transmitted to the guardrails, so that the guardrail frames are damaged or deformed, and the guardrails are difficult to provide enough protection, so that the vehicles deform or stop severely, and serious injuries are caused to the vehicles and passengers.

Disclosure of utility model

In view of the above, the present utility model aims to solve the drawbacks of the prior art, and provides a protective fence for road and bridge engineering to solve the problems of the prior art.

In order to achieve the above purpose, the utility model provides a protective fence for road and bridge engineering, which comprises a base, wherein the top of the base is fixedly connected with a side column, the inner side of the side column is slidably connected with a top frame, the bottom of the top frame is provided with a guardrail body, the bottom of the guardrail body is fixedly connected with a collision background, the inner side of the collision background is slidably connected with a displacement table through a buffer protection mechanism, the outer surface of the displacement table is provided with a rubber pad, and the top of the base is provided with a lifting mechanism for adjusting the height of the guardrail body.

Preferably, the buffer protection mechanism comprises a table shaft fixedly connected to the inner side of a collision background, a transverse spring is movably sleeved on the outer surface of the table shaft, a shaft sleeve is sleeved on the outer surface of the table shaft in a sliding manner, and the buffer protection mechanism can effectively buffer and protect vehicles and passengers when the vehicles collide with the guardrails, so that damage to the vehicles and the passengers is reduced.

Preferably, the outer surface of the shaft sleeve is rotationally connected with a swinging strip, and one end of the swinging strip, which is far away from the shaft sleeve, is rotationally connected with the inner side of the shifting table.

Preferably, the inside of collision backstage is fixedly connected with damping section of thick bamboo, the inside of damping section of thick bamboo is provided with the gasbag, the gas pocket has been seted up to the surface of damping section of thick bamboo.

Preferably, the inner surface sliding connection piston of damping section of thick bamboo, the bottom fixedly connected with connecting rod of piston, and the one end that the connecting rod kept away from the piston is fixed connection with the inboard of displacement platform, the surface movable sleeve of damping section of thick bamboo is equipped with vertical spring.

Preferably, the elevating system includes a storage section of thick bamboo of fixed connection at the base top, the interior surface screw thread of storage section of thick bamboo has cup jointed the dwang, the top swing joint of storage section of thick bamboo has the telescopic link, and the top of telescopic link and the bottom fixed connection of roof-rack, a plurality of groups screw has been seted up to the surface of telescopic link, can be to the height-adjusting of protection rail through elevating system.

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

1. This road and bridge protection rail for engineering can provide the protection of certain degree to the vehicle when the guardrail is hit to the vehicle through buffering protection mechanism, carries out effective dissipation to the impact energy that the collision produced, reduces the injury that vehicle and passenger received, through absorption and dispersion collision energy, reduces the degree that the vehicle warp and change speed, reduces the risk of passenger injury to provide safer collision environment.

2. This protection rail for road and bridge engineering can be according to different vehicle types and demand highly the nimble adjustment of guardrail body, through elevating system adjustment guardrail's height promptly, lets the guardrail provide suitable protection under different circumstances, prevents that the vehicle from striking through the space of guardrail to improve traffic safety.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic view of the internal structure of the crash back-up according to the present application;

FIG. 3 is a schematic view of the internal structure of the damper cylinder according to the present application;

fig. 4 is a schematic view of the structure of the joint of the telescopic rod according to the present application.

Wherein: 1. a base; 2. a side column; 3. a top frame; 4. a guardrail body; 5. collision background; 6. a displacement table; 7. a rubber pad; 8. a table shaft; 9. a transverse spring; 10. a shaft sleeve; 11. swinging strips; 12. a damping cylinder; 13. an air bag; 14. air holes; 15. a piston; 16. a connecting rod; 17. a vertical spring; 18. a storage barrel; 19. a rotating rod; 20. a telescopic rod; 21. screw holes.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1-4, a protection fence for road and bridge engineering comprises a base 1, wherein a side column 2 is fixedly connected to the top of the base 1, a top frame 3 is slidably connected to the inner side of the side column 2, a guardrail body 4 is arranged at the bottom of the top frame 3, a collision background 5 is fixedly connected to the bottom of the guardrail body 4, a displacement table 6 is slidably connected to the inner side of the collision background 5 through a buffer protection mechanism, a rubber pad 7 is arranged on the outer surface of the displacement table 6, and a lifting mechanism for adjusting the height of the guardrail body 4 is arranged at the top of the base 1.

Through above-mentioned technical scheme, the device plays the effect of protection separation jointly by guardrail body 4 cooperation jamb 2 when using, and when the vehicle bumps the guardrail, can effectively dispel the impact that the vehicle produced through buffering protection mechanism to reduce the injury that vehicle and passenger received, and can carry out nimble adjustment to the height of guardrail body 4 according to different vehicle types and demand, can ensure to provide appropriate protection under different circumstances, prevent that the vehicle from striking the space through the guardrail, thereby improve traffic safety.

Specifically, the buffer protection mechanism comprises a table shaft 8 fixedly connected to the inner side of the collision background 5, a transverse spring 9 is movably sleeved on the outer surface of the table shaft 8, and a shaft sleeve 10 is sleeved on the outer surface of the table shaft 8 in a sliding manner.

Through the above technical solution, during the horizontal sliding of the two sets of bushings 10 along the table shaft 8, they are mutually far apart and compress the transverse springs 9.

Specifically, the outer surface of the shaft sleeve 10 is rotatably connected with a swinging bar 11, and one end of the swinging bar 11 away from the shaft sleeve 10 is rotatably connected with the inner side of the shift table 6.

Through the technical scheme, after the shifting table 6 is impacted, impact force can be transmitted to the shaft sleeve 10 through the swinging bar 11, so that the impact force is slowly released by matching with the transverse spring 9, and part of impact kinetic energy is converted into internal energy to be consumed.

Specifically, the inside of the collision background 5 is fixedly connected with a damping cylinder 12, an air bag 13 is arranged in the damping cylinder 12, and an air hole 14 is formed in the outer surface of the damping cylinder 12.

Through the above technical solution, the air bag 13 has elasticity, softness and deformability, and can adapt to different impact force and stress requirements, and the design and structure of the air bag are also carefully calculated and optimized to realize the optimal buffering effect.

Specifically, the inner surface of the damping cylinder 12 is slidably connected with the piston 15, the bottom of the piston 15 is fixedly connected with the connecting rod 16, one end of the connecting rod 16 away from the piston 15 is fixedly connected with the inner side of the displacement table 6, and the outer surface of the damping cylinder 12 is movably sleeved with the vertical spring 17.

By the above technical solution, during the process of sliding the piston 15 along the inner wall of the damping cylinder 12 and pressing the air bag 13, the air inside the air bag 13 is compressed, and this compression process consumes part of the impact energy and converts it into the pressure inside the air.

Specifically, elevating system includes a storage tube 18 fixedly connected at base 1 top, and the internal surface screw thread of storage tube 18 has cup jointed dwang 19, and the top swing joint of storage tube 18 has telescopic link 20, and the bottom fixed connection of telescopic link 20 top and roof-rack 3, and a plurality of sets of screw 21 have been seted up to telescopic link 20's surface.

Through above-mentioned technical scheme, through elevating system adjustment guardrail body 4 highly back, can provide suitable protection under different circumstances, prevent that the vehicle from striking through the space of guardrail to improve traffic safety.

Working principle: when the device is used, the guardrail body 4 is matched with the side posts 2 to play a role in separating and protecting vehicles, the vehicles are prevented from rushing out of roads or bridges after being collided with the guardrails, when the vehicles collide with the rubber pads 7 on the guardrails, the rubber pads 7 buffer the speed of the vehicles to a certain extent, after the vehicles are impacted by the rubber pads 7, the shifting table 6 slides along the inner side of the collision rear stage 5, part of impact force is transmitted to the shaft sleeves 10 through the two groups of swinging strips 11, the two groups of shaft sleeves 10 slide away from each other along the table shafts 8, meanwhile, the transverse springs 9 are extruded, the transverse springs 9 are compressed to form reverse buffer elasticity to offset part of impact force, part of impact kinetic energy is converted into internal energy to be consumed, part of impact kinetic energy is transmitted inwards through the connecting rods 16, the connecting rods 16 push the pistons 15 to slide along the damping cylinders 12, meanwhile, the vertical spring 17 is compressed to form reverse buffering force, the piston 15 can press the air bag 13 back and forth in the process, when the impact force presses the air bag 13, the air in the air bag 13 can be compressed, part of impact energy can be consumed in the compression process, and the compression process is converted into pressure in the air, because the air bag 13 has certain elasticity, after the impact force is finished, the air bag 13 can quickly recover, the compressed air is released, the air flow is circulated through the air holes 14, in the releasing process, the pressure of the air pushes the piston 15 connected with the air bag 13, so that the air bag correspondingly moves or absorbs the impact energy, the impact force is dispersed, absorbed and converted into other forms of energy (such as air pressure energy, mechanical kinetic energy and the like), thereby reducing the impact influence of the impact, and finally effectively dissipating the impact energy generated in the collision, let the guardrail provide great protection to the vehicle to reduce the deformation damage of vehicle, increase the protection effect to the passenger in the car, consider the height of different vehicles probably to be different, can be according to the height of different vehicle types and demand to guardrail body 4 and carry out nimble adjustment, unscrew swivel post 19 promptly, upwards raise roof-rack 3 for telescopic link 20 upwards extends along receiving cylinder 18, when the screw 21 screw thread of swivel post 19 and different positions department cup joints, the extension degree of depth of telescopic link 20 obtains the adjustment thereupon, the change of height of linkage guardrail body 4 promptly, thereby can let the guardrail ensure to provide suitable protection under different circumstances, prevent that the vehicle from striking from passing through the space of guardrail, thereby improve traffic safety.

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

Claims

1. The utility model provides a road and bridge protection rail for engineering, includes base (1), its characterized in that: the novel anti-collision guardrail comprises a base (1), wherein a side column (2) is fixedly connected to the top of the base (1), a top frame (3) is slidably connected to the inner side of the side column (2), a guardrail body (4) is arranged at the bottom of the top frame (3), a collision background (5) is fixedly connected to the bottom of the guardrail body (4), a shifting table (6) is slidably connected to the inner side of the collision background (5) through a buffer protection mechanism, a rubber pad (7) is arranged on the outer surface of the shifting table (6), and a lifting mechanism for adjusting the height of the guardrail body (4) is arranged at the top of the base (1).

2. The protective fence for road and bridge engineering according to claim 1, wherein: the buffer protection mechanism comprises a table shaft (8) fixedly connected to the inner side of the collision background (5), a transverse spring (9) is movably sleeved on the outer surface of the table shaft (8), and a shaft sleeve (10) is sleeved on the outer surface of the table shaft (8) in a sliding mode.

3. The protective fence for road and bridge engineering according to claim 2, wherein: the outer surface of the shaft sleeve (10) is rotationally connected with a swinging strip (11), and one end, far away from the shaft sleeve (10), of the swinging strip (11) is rotationally connected with the inner side of the shifting table (6).

4. The protective fence for road and bridge engineering according to claim 1, wherein: the inside fixedly connected with damping section of thick bamboo (12) of collision backstage (5), the inside of damping section of thick bamboo (12) is provided with gasbag (13), gas pocket (14) have been seted up to the surface of damping section of thick bamboo (12).

5. The protective fence for road and bridge engineering according to claim 4, wherein: the inner surface sliding connection piston (15) of damping section of thick bamboo (12), the bottom fixedly connected with connecting rod (16) of piston (15), and the one end that piston (15) was kept away from to connecting rod (16) is fixed connection with the inboard of shifting board (6), the surface movable sleeve of damping section of thick bamboo (12) is equipped with vertical spring (17).

6. The protective fence for road and bridge engineering according to claim 1, wherein: the lifting mechanism comprises a storage barrel (18) fixedly connected to the top of the base (1), a rotating rod (19) is sleeved on the inner surface of the storage barrel (18) through threads, a telescopic rod (20) is movably connected to the top of the storage barrel (18), the top of the telescopic rod (20) is fixedly connected with the bottom of the top frame (3), and a plurality of groups of screw holes (21) are formed in the outer surface of the telescopic rod (20).