Novel highway bridge anti-collision guardrail

Through the design of the slider sliding and airbag guide rod system, the new highway bridge crash barrier effectively absorbs and converts impact energy, solving the problems of vehicle damage and passenger injury in the existing technology and improving safety.

CN224047902UActive Publication Date: 2026-03-27沙楚日勒图
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing highway bridge crash barriers can easily cause vehicle damage and passenger injury when vehicles collide with them. The impact force is large, and existing technologies are unable to effectively absorb the impact energy.

Method used

A novel type of highway bridge crash barrier has been designed. By having a slider slide within a slide rail, the connecting plate and buffer barrel move along the direction of the impact force. Combined with an airbag and guide rod system, it absorbs and converts impact energy, reducing the direct impact force.

Benefits of technology

It effectively absorbs some of the impact energy, reduces vehicle and passenger injuries, lowers the severity of accidents, and improves safety, especially performing exceptionally well in high-speed collisions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel highway bridge anti-collision guardrail, and belongs to the technical field of bridge anti-collision guardrails, the novel highway bridge anti-collision guardrail comprises a bottom plate and mounting holes, the inner part of the bottom plate is symmetrically provided with a plurality of mounting holes, the upper surface of the bottom plate is provided with a buffer assembly, and the outer surface of the buffer assembly is provided with an auxiliary assembly; the sliding block slides in the first sliding rail, so that the whole connecting plate and the whole buffering barrel can move in the direction of impact force, part of impact energy is effectively absorbed, damage to a vehicle and passengers caused by direct rigid collision is reduced, when collision occurs, the spring is compressed to further absorb energy, the damper controls the springback speed, and the buffering effect is improved. And the position of the buffering barrel is allowed to be flexibly adjusted according to the collision angle through the rotating rod, the collision force is converted into rotating motion, the direction of the impact force is dispersed, damage to a vehicle shell is reduced through the rubber pad, direct impact on a vehicle is reduced, and the severity degree of an accident is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge crash barrier technical field, more specifically, relate to a novel highway bridge crash barrier. BACKGROUND

[0002] Highway bridge refers to the structure built on the highway to cross rivers, valleys, railways, other roads or any other obstacles, it is an important part of highway traffic system, not only connects two places divided by natural or man-made obstacles, but also has important significance to promote regional economic exchanges, social development and people's daily life, at the same time, crash barrier is needed on the bridge to prevent vehicles from running off the bridge due to loss of control.

[0003] The existing highway bridge crash barrier when in use, when the vehicle hits the guardrail, the surface of the guardrail steel or concrete will be deformed or damaged, so as to consume part of the impact energy, thereby reducing the impact force transmitted to the passengers in the car, at the same time, warning signs are installed on the guardrail to remind the driver, thereby reducing the loss of life and property caused by traffic accidents.

[0004] In the actual use process of the prior art, the steel bar or concrete guardrail plays a role in preventing collision, since the vehicle directly hits the steel guardrail, the vehicle is prone to receiving a large impact force, increasing the degree of damage to the vehicle body, at the same time, the passengers in the vehicle are subjected to impact force, increasing the risk of injury, therefore, a novel highway bridge crash barrier is proposed. SUMMARY

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the utility model provides a novel highway bridge crash barrier, which moves the entire connecting plate and buffer barrel along the direction of impact force by sliding the sliding block in the sliding rail I, thereby effectively absorbing part of the impact energy.

[0007] 2. Technical scheme

[0008] In order to solve the above problems, the utility model adopts the following technical scheme.

[0009] The utility model provides a novel highway bridge crash barrier, including bottom plate and mounting hole, the inside symmetry of bottom plate is equipped with a plurality of mounting hole, the upper surface of bottom plate is installed buffer assembly, the outer surface of buffer assembly is installed auxiliary assembly, buffer assembly includes a plurality of slide rail no.

[0010] Further, the outer surface of the buffer barrel is fixedly connected with a rubber pad made of rubber material.

[0011] Further, the side surface of the support plate is connected with the outer surface of the connecting plate, and the outer surfaces of the connecting plate and the support plate are coated with a layer of corrosion-resistant paint.

[0012] Further, the inside of the bottom plate is provided with a groove, and a gas pump is fixedly connected in the groove.

[0013] Further, the outer surface of the gas bag is connected with a non-slip sleeve.

[0014] Further, the slide block and the slide rail are fixedly connected with a spring, and the inside of the slide rail is fixedly connected with a plurality of dampers.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The sliding of the slide block in the slide rail allows the connecting plate and the buffer barrel to move along the direction of the impact force, effectively absorbing part of the impact energy and reducing the damage to the vehicle and passengers caused by direct rigid collision. When a collision occurs, the spring is compressed to further absorb energy, the damper controls the rebound speed to prevent secondary injury, and the remaining energy is smoothly consumed.

[0018] (2) The rotating rod allows the buffer barrel to adjust the position flexibly according to the impact angle, converts the impact force into rotational motion, disperses the direction of the impact force, and reduces the damage to the vehicle shell, thereby guiding the vehicle back to the correct driving direction, reducing the direct impact on the vehicle, reducing the severity of the accident, and protecting the safety of the passengers in the vehicle.

[0019] (3) support plate with the movement of the slider extrusion air bag, the gas through the branch pipe and connecting pipe to the next air bag, forming a dynamic energy absorption chain, thereby enhancing the buffer capacity of the guardrail, especially in high-speed impact is particularly important, through the cooperation of the guide disc and guide rod can be converted into a guide force impact force, further absorb the impact, and provide additional buffer area for the vehicle, while through the air pump can be through the connecting pipe and branch pipe to each air bag injection gas, to ensure that the air bag is always in the best working condition, simplifying the maintenance process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall structure of the utility model schematic diagram;

[0021] Figure 2 is the overall structure of the utility model side view;

[0022] Figure 3 is the overall structure of the utility model partial structure section view;

[0023] Figure 4 is the overall structure of the utility model Figure 3 enlarged view of A.

[0024] Reference numerals in the drawing:

[0025] 1, bottom plate;101, mounting hole;2, buffer assembly;201, slide rail one;202, slide rail two;203, slider;204, connecting plate;205, spring;206, damper;207, rotating rod;208, buffer bucket;209, rubber pad;3, auxiliary assembly;301, support plate;302, buffer groove;303, guide rod;304, guide disc;305, air bag;306, connecting pipe;307, branch pipe;308, air pump. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "set with", "sleeve / interface", "connection" and so on, should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0029] Embodiment 1

[0030] Refer to Figure 1 、 Figure 2 、 Figure 3 With Figure 4 , the first embodiment of the utility model, the embodiment provides a novel highway bridge crash barrier, including bottom plate 1 and mounting hole 101, the inside of bottom plate 1 is symmetrically provided with a plurality of mounting holes 101, the upper surface of bottom plate 1 is provided with buffer assembly 2.

[0031] Specifically, buffer assembly 2 includes a plurality of slide rails one 201 and slide rails two 202 installed on the upper surface of bottom plate 1, the inside of slide rail one 201 is slidably connected with slide block 203, the upper surface of slide block 203 is fixedly connected with connecting plate 204, connecting plate 204 is rotatably connected with rotating rod 207, the outer surface of rotating rod 207 is fixedly connected with buffer barrel 208, the outer surface of buffer barrel 208 is fixedly connected with rubber pad 209, rubber pad 209 is made of rubber material, the side surface of support plate 301 is connected with the outer surface of connecting plate 204, the outer surface of connecting plate 204 and support plate 301 is coated with a layer of corrosion-resistant paint, spring 205 is fixedly connected between slide block 203 and slide rail one 201, a plurality of dampers 206 are fixedly connected in the inside of slide rail one 201.

[0032] Further, when the vehicle hits the buffer barrel 208, the sliding block 203 moves along the slide rail one 201, driving the connecting plate 204 and the buffer barrel 208 to move backward along the direction of the impact force, and at the same time, when the vehicle hits the buffer barrel 208, the sliding block 203 moves along the slide rail one 201, driving the support plate 301 to move along the slide rail two 202, and the sliding block 203 compresses the spring 205 during the movement, and when the sliding block 203 continues to move and contacts the damper 206, it helps to smoothly consume the remaining energy and prevent secondary injury caused by the rebound of the vehicle.

[0033] Embodiment 2

[0034] With reference to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , the second embodiment of the utility model, this embodiment is based on the last embodiment, the outer surface of the buffer assembly 2 is provided with an auxiliary assembly 3.

[0035] Specifically, the auxiliary assembly 3 includes a support plate 301 slidingly connected inside the slide rail two 202, the slide rail one 201 and the slide rail two 202 are provided with a plurality of buffer grooves 302 inside, the buffer grooves 302 are rotatably connected with guide rods 303 inside, the guide rods 303 are fixedly connected with guide discs 304 on the outer surfaces, the guide discs 304 are fixedly connected with air bags 305 on the outer surfaces, a recess is formed in the bottom plate 1, the recess is fixedly connected with an air pump 308 inside, one end of the air pump 308 is connected with a connecting pipe 306, one end of the connecting pipe 306 is connected with a plurality of branch pipes 307 respectively, the branch pipes 307 are connected with the air bags 305, and the air bags 305 are connected with anti-skid sleeves.

[0036] Further, when the vehicle hits the buffer barrel 208, the sliding block 203 moves along the slide rail one 201, driving the support plate 301 to move along the slide rail two 202, when it contacts the air bag 305, it extrudes the gas and delivers it to the next air bag 305 through the branch pipe 307 and the connecting pipe 306, forming a dynamic energy absorption chain, and through the cooperation of the guide disc 304 and the guide rod 303, the impact force can be converted into a guide force, further absorbing the impact, and providing an additional buffer area for the vehicle, and regularly starting the air pump 308 to inject gas into each air bag 305 through the connecting pipe 306 and the branch pipe 307, ensuring that the air bag is always in the best working condition.

[0037] Working principle: in use, when the vehicle hits the buffer bucket 208, the slider 203 moves along the slide rail one 201, the connecting plate 204 and the buffer bucket 208 move backward along the direction of impact force, this movement can absorb part of the impact energy, and reduce the damage caused by direct rigid collision, at the same time, when the vehicle hits the buffer bucket 208, the slider 203 moves along the slide rail one 201, at the same time, the support plate 301 moves along the slide rail two 202, when it contacts the air bag 305, it extrudes the gas and sends it to the next air bag 305 through the branch pipe 307 and the connecting pipe 306, forming a dynamic energy absorption chain, at the same time, through the cooperation of the guide disc 304 and the guide rod 303, the impact force can be converted into guide force, further absorbing the impact, and providing additional buffer area for the vehicle, regularly starting the air pump 308, injecting gas into each air bag 305 through the connecting pipe 306 and the branch pipe 307.

[0038] The slider 203 will compress the spring 205 during movement, further absorbing impact energy, reducing impact degree, when the slider 203 continues to move and contacts the damper 206, the damper 206 starts to work, helping to smoothly consume the remaining energy, preventing secondary injury caused by vehicle rebound, at the same time, also helping to smoothly consume the remaining energy, through the cooperation of the rotating rod 207 and the buffer bucket 208, the impact force can be converted by rotating movement to change the direction of impact force, the rubber pad 209 on the surface of the buffer bucket 208 helps to guide the vehicle back to the correct driving direction.

[0039] The above is only the preferred specific implementation of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A novel highway bridge crash barrier, comprising a bottom plate (1) and mounting holes (101), a plurality of mounting holes (101) are symmetrically arranged in the inside of the bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is provided with a buffer assembly (2), and the outer surface of the buffer assembly (2) is provided with an auxiliary assembly (3); The buffer assembly (2) comprises a plurality of slide rails one (201) and slide rails two (202) mounted on the upper surface of the bottom plate (1), the inner part of the slide rails one (201) is slidably connected with a sliding block (203), the upper surface of the sliding block (203) is fixedly connected with a connecting plate (204), the connecting plate (204) is rotatably connected with a rotating rod (207), and the outer surface of the rotating rod (207) is fixedly connected with a buffer barrel (208); The auxiliary assembly (3) comprises a support plate (301) slidably connected in the inner part of the slide rails two (202), a plurality of buffer grooves (302) are formed in the inner part of the slide rails one (201) and the slide rails two (202), the inner part of the buffer grooves (302) is rotatably connected with a guide rod (303), the outer surface of the guide rod (303) is fixedly connected with a guide disc (304), and the outer surface of the guide disc (304) is fixedly connected with an air bag (305).

2. A new type of highway bridge crash barrier according to claim 1, characterized in that: The outer surface of the buffer barrel (208) is fixedly connected with a rubber pad (209), and the rubber pad (209) is made of rubber material.

3. A new type of highway bridge crash barrier according to claim 1, characterized in that: The side surface of the support plate (301) is connected with the outer surface of the connecting plate (204), and the outer surfaces of the connecting plate (204) and the support plate (301) are coated with a layer of corrosion-resistant paint.

4. A new type of highway bridge crash barrier according to claim 1, characterized in that: The inner part of the bottom plate (1) is provided with a recess, and the inner part of the recess is fixedly connected with an air pump (308), one end of the air pump (308) is connected with a connecting pipe (306), one end of the connecting pipe (306) is connected with a plurality of branch pipes (307), and the branch pipes (307) are connected with the air bag (305).

5. A new type of highway bridge crash barrier according to claim 1, characterized in that: The outer surface of the air bag (305) is sleeved with an anti-skid sleeve.

6. A new type of highway bridge crash barrier according to claim 1, characterized in that: The sliding block (203) and the slide rails one (201) are fixedly connected with a spring (205), and the inner part of the slide rails one (201) is fixedly connected with a plurality of dampers (206).