Highway bridge safety anti-collision guardrail
By setting up connection tongue and groove, connecting tenon and fixing bolts, and buffer mechanisms in the highway bridge safety anti-collision guardrail, the problem of lack of connection structure between multiple guardrails is solved, and a more stable and safe guardrail structure is achieved, which can effectively withstand vehicle impacts and reduce the risk of accidents.
Patent Information
- Application Number
- CN202421538857.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing highway bridge safety anti-collision guardrail device lacks a connecting structure between multiple guardrails and cannot form a whole, resulting in the inability to effectively bear the impact force during impact, increasing the possibility of vehicles rushing out of the road.
By setting up a connecting tongue and groove, a connecting tongue and head and fixing bolt to cooperate, multiple anti-collision guardrails can form a continuous structural system, and the impact of the anti-collision plate is buffered by setting up a buffer mechanism, including a damping rod and a spring.
The stable connection between multiple guardrails is achieved, which improves the overall stability and rigidity, can more effectively withstand the impact force of the vehicle, reduces the risk of the guardrails moving or disintegrating alone, reduces the possibility of the vehicle rushing out of the road, and improves the overall safety of the road edge.
Smart Images

Figure CN222758714U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of highway bridge safety, and in particular relates to a highway bridge safety anti-collision guardrail. Background Art
[0002] Highway bridge engineering refers to the design, construction and maintenance of various bridge structures on highways. They play a key role in the modern transportation network. In order to prevent cars from rushing off highway bridges in the event of an accident, safety guardrails are usually installed on highway bridges. The material of the guardrails is usually stainless steel, round steel pipes, square steel pipes or corrugated steel plates. Guardrails are mainly used to protect and safeguard personal safety in highway bridge situations.
[0003] A highway bridge safety anti-collision guardrail device with a patent announcement number of CN214363130U in the prior art includes a fixed pile, a first guardrail and a first screw. The outer surface of the fixed pile is fixedly connected to a support rod, the bottom of the fixed pile is fixedly connected to a pile angle, the outer surface of the support rod is fixedly connected to a second screw, the fixed pile and the support rod are fixedly connected by the second screw, the first screw is fixedly connected to the outer surface of the fixed pile, the outer surface of the first screw is fixedly connected to a nut, the first guardrail passes through the interior of the fixed pile and is fixedly connected by a first explosive wire, the outer surface of the support rod is fixedly connected to a fixing nail, and the interior of the fixed pile is fixedly connected to a second guardrail. The device is convenient to install and connect. When a collision occurs, the shock absorption effect is good, the vehicle and passengers are well protected, and the loss of traffic accidents is further reduced; but in actual use, there are still the following deficiencies: from a practical point of view, when the device is in use, there is a lack of connection structure between multiple guardrails, and they cannot become a whole. When a collision occurs, they cannot effectively bear the impact force together, which increases the possibility of vehicles running out of the road in an accident.
[0004] Therefore, a highway bridge safety anti-collision guardrail is needed to solve the problem that multiple guardrails in the prior art lack a connecting mechanism and cannot form a whole. Utility Model Content
[0005] The utility model aims to provide a highway bridge safety anti-collision guardrail to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a highway bridge safety anti-collision guardrail, comprising a first column and a second column, an anti-collision plate is fixedly connected between the first column and the second column near the bottom position, a support plate is fixedly connected between the first column and the second column near the top position, a plurality of evenly distributed support columns are fixedly connected between the top of the anti-collision plate and the bottom of the support plate, a rear end of the first column and the rear end of the second column are both fixedly connected with a reinforcement support plate, a buffer mechanism is provided at the front end of the anti-collision plate, two connecting tenons are provided on the outer side of the first column, two connecting tenons corresponding to the connecting tenons are fixedly connected to the outer side of the second column, and two fixing bolts are rotatably connected to the front end of the first column.
[0007] It should be noted in the solution that mounting holes are provided at the bottom of the first column, the bottom of the second column and the bottom of the reinforcement support plate.
[0008] It is further worth explaining that the buffer mechanism includes a plurality of damping rods fixedly connected to the front end of the anti-collision plate and two brackets fixedly connected to the front end of the anti-collision plate, a plurality of the damping rods are equipped with a buffer seat at the front end, a plurality of the damping rods are sleeved with a first spring on the outer walls, a plurality of the buffer seats are fixedly connected to the front end with a buffer plate, a round rod is fixedly connected between the two brackets, two pipe sleeves are slidably connected to the outer wall of the round rod, a second spring is fixedly connected between the two pipe sleeves, the two pipe sleeves are fixedly connected to the first connecting ears at the front ends, the two first connecting ears are rotatably connected to the front ends with connecting rods, and the two connecting rods are rotatably connected to the second connecting ears fixedly connected to the buffer plate at the front ends.
[0009] It should be further explained that the first spring is fixedly connected between the front end of the damping rod and the rear end of the buffer seat.
[0010] As a preferred implementation, the second spring is sleeved on the outer wall of the round rod.
[0011] As a preferred embodiment, the inner wall of the connecting tenon groove fits tightly with the outer wall of the connecting tenon.
[0012] As a preferred embodiment, a thread groove corresponding to the fixing bolt is formed on the surface of the connecting tenon.
[0013] Compared with the prior art, the highway bridge safety anti-collision guardrail provided by the utility model has at least the following beneficial effects:
[0014] (1) By setting a connecting groove, a connecting tenon and a fixing bolt, the connecting tenon is inserted into the inner wall of the connecting groove and fixed by the fixing bolt, so that the first column and the second column can be detachably installed, so that multiple anti-collision guardrails can form a continuous structural system, which improves the overall stability. When a vehicle collides, the connected structures can jointly withstand the impact force, reducing the risk of a single guardrail detaching or moving, effectively reducing the possibility of a vehicle running off the road during a collision, and protecting pedestrians and vehicles from the danger of the edge of the road.
[0015] (2) By setting up a buffer mechanism, the damping rod and the first spring cooperate with each other, and the second spring and the connecting rod cooperate with each other, so as to buffer the collision impact on the anti-collision plate, so that the performance and protection ability of the anti-collision guardrail can be maintained for a long time, thereby improving the overall safety of the road edge, and at the same time helping to reduce the damage to the vehicle structure itself caused by the collision, thereby protecting the vehicle occupants. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;
[0017] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;
[0018] Figure 3 This is a schematic diagram of the structure of the utility model from a third viewing angle;
[0019] Figure 4 It is a structural schematic diagram of the buffer mechanism of the utility model.
[0020] In the figure: 1. first column; 2. second column; 3. anti-collision plate; 4. support plate; 5. support column; 6. reinforcement support plate; 7. buffer mechanism; 701. damping rod; 702. buffer seat; 703. first spring; 704. buffer plate; 705. bracket; 706. round rod; 707. pipe sleeve; 708. second spring; 709. first connecting ear; 710. connecting rod; 711. second connecting ear; 8. connecting mortise and tenon; 9. connecting tenon; 10. fixing bolt. DETAILED DESCRIPTION
[0021] The present invention will be further described below in conjunction with the embodiments.
[0022] See also Figure 1-4The utility model provides a highway bridge safety anti-collision guardrail, including a first column 1 and a second column 2, an anti-collision plate 3 is fixedly connected between the first column 1 and the second column 2 near the bottom position, a support plate 4 is fixedly connected between the first column 1 and the second column 2 near the top position, a plurality of evenly distributed support columns 5 are fixedly connected between the top of the anti-collision plate 3 and the bottom of the support plate 4, a rear end of the first column 1 and a rear end of the second column 2 are both fixedly connected with a reinforcement support plate 6, a buffer mechanism 7 is arranged at the front end of the anti-collision plate 3, two connecting tenons 8 are provided on the outer side of the first column 1, two connecting tenons 9 corresponding to the connecting tenons 8 are fixedly connected to the outer side of the second column 2, and two fixing bolts 10 are rotatably connected to the front end of the first column 1.
[0023] Further Figure 1 , Figure 2 and Figure 3 As shown, it is worth mentioning that mounting holes are provided at the bottom of the first column 1, the bottom of the second column 2 and the bottom of the reinforcement support plate 6. The presence of the mounting holes makes the installation of the anti-collision guardrail more flexible and convenient. These holes can be used to install bolts or other fasteners, so that the guardrail can be quickly and firmly installed in the desired position to adapt to different terrains and site requirements. At the same time, the hole design also helps with subsequent maintenance and replacement work. If part of the guardrail needs to be repaired or replaced, the reserved holes can simplify the work process and reduce maintenance time and cost.
[0024] Further Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that the inner wall of the connecting groove 8 is tightly fitted with the outer wall of the connecting tenon 9, and the tightly fitted connecting groove 8 and connecting tenon 9 can form a tight structural connection, so that multiple anti-collision guardrails form a whole. This overall performance enhances the stability and rigidity of the guardrail, can more effectively withstand the impact force of the vehicle, and reduces the risk of the guardrail moving alone or disintegrating in an accident.
[0025] Further Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that a threaded groove corresponding to the fixing bolt 10 is opened on the surface of the connecting tenon 9, and the connecting tenon 9 is inserted into the inner wall of the connecting tenon groove 8 and fixed by the fixing bolt 10, so that the first column 1 and the second column 2 can be detachably installed.
[0026] According to the above working process, it can be known that: by setting the connecting tenon 8, the connecting tenon 9 and the fixing bolt 10, the connecting tenon 9 is inserted into the inner wall of the connecting tenon 8 and fixed by the fixing bolt 10, so that the first column 1 and the second column 2 can be detachably installed, so that multiple anti-collision guardrails can form a continuous structural system, which improves the overall stability. When a vehicle collides, the connected structures can jointly withstand the impact force, reducing the risk of a single guardrail detaching or moving, effectively reducing the possibility of the vehicle running off the road during a collision, and protecting pedestrians and vehicles from the danger of the edge of the road.
[0027] Further Figure 4 As shown, it is worth specifically explaining that the buffer mechanism 7 includes a plurality of damping rods 701 fixedly connected to the front end of the anti-collision plate 3 and two brackets 705 fixedly connected to the front end of the anti-collision plate 3, a plurality of damping rods 701 are installed with a buffer seat 702 at the front end, a plurality of damping rods 701 are sleeved with a first spring 703 on the outer wall, a plurality of buffer seats 702 are fixedly connected with a buffer plate 704 at the front end, a round rod 706 is fixedly connected between the two brackets 705, two pipe sleeves 707 are slidably connected to the outer wall of the round rod 706, and a second pipe sleeve 707 is fixedly connected between the two pipe sleeves 707. Spring 708, the front ends of the two pipe sleeves 707 are fixedly connected with the first connecting ears 709, the front ends of the two first connecting ears 709 are rotatably connected with the connecting rods 710, and the front ends of the two connecting rods 710 are rotatably connected with the second connecting ears 711 fixedly connected to the buffer plate 704. By setting the buffer mechanism 7, the collision impact of the anti-collision plate 3 can be buffered, so that the performance and protection ability of the anti-collision guardrail can be maintained for a long time, thereby improving the overall safety of the road edge, and at the same time helping to reduce the damage to the vehicle structure itself caused by the collision, and protecting the vehicle occupants.
[0028] Further Figure 4 As shown, it is worth explaining in detail that the first spring 703 is fixedly connected between the front end of the damping rod 701 and the rear end of the buffer seat 702, and the damping rod 701 and the first spring 703 cooperate to buffer the impact on the anti-collision plate 3.
[0029] Further Figure 4 As shown, it is worth to explain in detail that the second spring 708 is sleeved on the outer wall of the round rod 706, and the two sleeves 707 and the second spring 708 cooperate with each other to further buffer the impact force on the anti-collision plate 3.
[0030] This solution has the following working process: in actual use, the connecting tenon 9 is inserted into the inner wall of the connecting tenon groove 8 and fixed by the fixing bolt 10, so that the first column 1 and the second column 2 are detachably installed, so that multiple anti-collision guardrails can form a continuous structural system, thereby improving the overall stability. When impacted, the damping rod 701 and the first spring 703 cooperate, and the second spring 708 and the connecting rod 710 cooperate to buffer the collision impact on the anti-collision plate 3.
[0031] In summary: by providing the connection groove 8, the connection tenon 9 and the fixing bolt 10, when the vehicle collides, the connected structure can jointly withstand the impact force, reducing the risk of a single guardrail detaching or moving, effectively reducing the possibility of the vehicle running off the road during a collision, and protecting pedestrians and vehicles from the danger of the edge of the road; by providing the buffer mechanism 7, the collision impact of the anti-collision plate 3 can be buffered, so that the performance and protection ability of the anti-collision guardrail can be maintained for a long time, thereby improving the overall safety of the road edge, and at the same time helping to reduce the damage to the vehicle structure itself caused by the collision, and protecting the vehicle occupants.
Claims
1. A highway bridge safety anti-collision guardrail, comprising a first column (1) and a second column (2), characterized in that: An anti-collision plate (3) is fixedly connected between the first column (1) and the second column (2) near the bottom, a support plate (4) is fixedly connected between the first column (1) and the second column (2) near the top, a plurality of evenly distributed support columns (5) are fixedly connected between the top of the anti-collision plate (3) and the bottom of the support plate (4), a rear end of the first column (1) and a rear end of the second column (2) are fixedly connected with a reinforcing support plate (6), a buffer mechanism (7) is arranged at the front end of the anti-collision plate (3), two connecting tenons (8) are provided on the outer side of the first column (1), two connecting tenons (9) corresponding to the connecting tenons (8) are fixedly connected to the outer side of the second column (2), and two fixing bolts (10) are rotatably connected to the front end of the first column (1).
2. A highway bridge safety anti-collision guardrail according to claim 1, characterized in that: The bottom of the first column (1), the bottom of the second column (2) and the bottom of the reinforcement support plate (6) are all provided with mounting holes.
3. A highway bridge safety anti-collision guardrail according to claim 1, characterized in that: The buffer mechanism (7) comprises a plurality of damping rods (701) fixedly connected to the front end of the anti-collision plate (3) and two brackets (705) fixedly connected to the front end of the anti-collision plate (3); a buffer seat (702) is installed at the front end of each of the plurality of damping rods (701); a first spring (703) is sleeved on the outer wall of each of the plurality of damping rods (701); a buffer plate (704) is fixedly connected to the front end of each of the plurality of buffer seats (702); a round rod (704) is fixedly connected between the two brackets (705); (706), the outer wall of the round rod (706) is slidably connected to two pipe sleeves (707), a second spring (708) is fixedly connected between the two pipe sleeves (707), the front ends of the two pipe sleeves (707) are fixedly connected to the first connecting ears (709), the front ends of the two first connecting ears (709) are rotatably connected to the connecting rods (710), and the front ends of the two connecting rods (710) are rotatably connected to the second connecting ears (711) fixedly connected to the buffer plate (704).
4. A highway bridge safety anti-collision guardrail according to claim 3, characterized in that: The first spring (703) is fixedly connected between the front end of the damping rod (701) and the rear end of the buffer seat (702).
5. A highway bridge safety anti-collision guardrail according to claim 3, characterized in that: The second spring (708) is sleeved on the outer wall of the round rod (706).
6. A highway bridge safety anti-collision guardrail according to claim 1, characterized in that: The inner wall of the connecting tenon groove (8) is tightly fitted with the outer wall of the connecting tenon (9).
7. A highway bridge safety anti-collision guardrail according to claim 1, characterized in that: The surface of the connecting tenon (9) is provided with a thread groove corresponding to the fixing bolt (10).