Wing-wall-free buffering and energy-absorbing type road guardrail
By introducing components such as wave-shaped crash barriers, buffer pads, crash wheels, and dampers into highway guardrails, the problem of energy not being effectively dissipated during collisions in existing guardrails has been solved, achieving higher safety and terrain adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-20
AI Technical Summary
Existing highway guardrails cannot effectively dissipate collision energy during vehicle collisions, resulting in poor safety.
It adopts components such as wave-shaped anti-collision plates, buffer pads, anti-collision wheels, first and second springs, and dampers. The anti-collision wheels are driven to rotate by the vehicle's inertia. The wave-shaped anti-collision plates and buffer pads consume the impact force, while the springs and dampers absorb the collision energy.
It improves the impact resistance of the guardrail, reduces the impact force of vehicles, enhances safety, and can be height adjusted according to the terrain.
Smart Images
Figure CN224016203U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to highway guardrail technical field, concretely is a kind of wing wall-free buffer energy-absorbing highway guardrail. BACKGROUND
[0002] Highway guardrail is a kind of guardrail which is not easy to be crashed by vehicle, and can protect vehicle and driver and passenger, and most of concrete wing walls are used to transit between highway guardrail and bridge section guardrail and roadbed section guardrail, which is directly connected to wall, can effectively save space, and provide simple appearance effect, so it is widely used.
[0003] The existing highway guardrail is used, when vehicle collision occurs, the collision energy is absorbed by the deformation of the guardrail, and then the vehicle is blocked to avoid sliding out.
[0004] But the existing highway guardrail is used, when vehicle collision occurs, the guardrail can effectively avoid the sliding out of vehicle, but the collision energy is large, it is inconvenient to guide and consume the collision energy of vehicle, and further leads to poor safety, to solve the above problems, a wing wall-free buffer energy-absorbing highway guardrail is provided. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a wing wall-free buffer energy-absorbing highway guardrail, which solves the problem of large collision energy in the background art, and is inconvenient to guide and consume the collision energy of vehicle, and further leads to poor safety.
[0006] To achieve the above object, the utility model provides the following technical scheme: a wing wall-free buffer energy-absorbing highway guardrail, including concrete guardrail, the concrete guardrail one side is provided with highway guardrail, the highway guardrail rear side is fixedly connected with wave anti-collision plate, the wave anti-collision plate one side is provided with evenly distributed buffer pad, the highway guardrail front side is fixedly connected with evenly distributed first connecting plate, the first connecting plate bottom is fixedly connected with adjusting plate, the adjusting plate outer wall one side is fixedly connected with two housings, adjacent two housings one side are fixedly connected with fixed plate, adjacent two fixed plates one side are fixedly connected with U-shaped rod, the U-shaped rod both ends are fixedly connected with connecting rod, two connecting rods outer circle are sleeved with two first springs, two connecting rods one end are fixedly connected with second connecting plate, adjacent two housings inner circle one side are provided with damper, the U-shaped rod outer circle is rotatably connected with anti-collision wheel, the adjusting plate inner wall is provided with adjusting assembly.
[0007] When the vehicle collides with the anti-collision wheel, the anti-collision wheel is stressed, the connecting rod slides, the first spring is pressed, then the second connecting plate presses the damper, the collision force is absorbed, and at the same time, the vehicle drives the anti-collision wheel to rotate due to inertia, slides on the wave anti-collision plate, and the wave anti-collision plate and the buffer pad consume the impact force.
[0008] As a further description of the above technical solution: the adjusting assembly comprises a support column, the support column is in sliding connection with the adjusting plate, the outer wall of the adjusting plate is provided with uniformly distributed limiting holes on the left and right sides, the support column is provided with limiting grooves on the left and right sides, a fixed ring is penetrated through and fixedly connected to one side of the inner wall of each of the two limiting grooves, a support rod is slidingly connected to one side of the inner circle of each of the two limiting grooves, a second spring is sleeved on the outer circle of each of the two support rods, and a clamping block is fixedly connected to the opposite end of each of the two support rods.
[0009] By adopting the above technical solution, the adjusting assembly is convenient for height adjustment according to the terrain.
[0010] As a further description of the above technical solution: the damper is provided with a second connecting plate on one side, and the second connecting plate is in sliding connection with the inner circle of the shell.
[0011] By adopting the above technical solution, the second connecting plate slides in the shell when stressed.
[0012] As a further description of the above technical solution: the first connecting plate is fixedly connected with a reinforcing rib on one side.
[0013] By adopting the above technical solution, the first connecting plate is used to connect the adjusting plate.
[0014] As a further description of the above technical solution: two reinforcing plates are fixedly connected to the front side of the outer circle of the adjusting plate, and a reinforcing rib is fixedly connected to the top of the outer wall of the adjusting plate.
[0015] By adopting the above technical solution, the reinforcing rib and the reinforcing plate increase the firmness of the guardrail.
[0016] As a further description of the above technical solution: the limiting groove is slidingly connected with a clamping block, and the clamping block is clamped between the limiting holes.
[0017] By adopting the above technical solution, the limiting holes and the clamping block are clamped, and the adjusted height is fixed.
[0018] As a further description of the above technical solution: the outer circle of each of the two support rods is fixedly connected with a connecting ring.
[0019] By adopting the above technical solution, the connecting ring is fixed on the support rod, and the second spring is conveniently limited.
[0020] As a further description of the above technical solutions: the buffer pad is fixedly connected with the highway guardrail on one side.
[0021] By adopting the above technical scheme, the buffer pad reduces the impact force.
[0022] Compared with the prior art, the utility model has the advantages that:
[0023] 1. The wing wall-free buffer energy-absorbing highway guardrail provided by the utility model, when a vehicle collides with the anti-collision wheel, the anti-collision wheel is stressed, the connecting rod slides, the first spring is extruded, then the second connecting plate extrudes the damper, the impact force is absorbed, at the same time, the vehicle drives the anti-collision wheel to rotate on the wave-shaped anti-collision plate due to inertia, the wave-shaped anti-collision plate and the buffer pad consume the impact force, and the anti-collision effect is effectively improved.
[0024] 2. The wing wall-free buffer energy-absorbing highway guardrail provided by the utility model, by means of the adjusting plate, the support column, the clamping block and the supporting rod, the two clamping blocks are pinched and pressed, the supporting rod can be driven to slide on the fixed ring and extrude the second spring, then the support column slides in the adjusting plate, the height of the support column is adjusted, the clamping block is clamped into the appropriate limiting hole for fixation, and the adjustment according to the uneven ground is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is an overall structure perspective view of the utility model;
[0026] Figure 2 It is an overall structure rear view of the utility model;
[0027] Figure 3 It is an overall structure front view of the utility model;
[0028] Figure 4 It is an U-shaped rod structure explosion view of the utility model;
[0029] Figure 5 It is an adjusting plate structure explosion view of the utility model;
[0030] Figure 6 It is a support column structure sectional view of the utility model.
[0031] In the drawing: 1, concrete guardrail; 2, highway guardrail; 3, wave-shaped anti-collision plate; 4, buffer pad; 5, adjusting plate; 6, support column; 7, shell; 8, U-shaped rod; 9, anti-collision wheel; 10, fixed plate; 11, first spring; 12, second connecting plate; 13, damper; 14, limiting hole; 15, clamping block; 16, supporting rod; 17, fixed ring; 18, limiting groove; 19, first connecting plate; 20, reinforcing rib; 21, reinforcing plate; 22, connecting ring; 23, second spring; 24, connecting rod. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0033] In order to further understand the content of the present application, the present application will be described in detail with reference to the drawings.
[0034] In combination with Figure 1 The wing-free wall buffering energy-absorbing type highway guardrail of the present application comprises a concrete guardrail 1, a highway guardrail 2 is arranged on one side of the concrete guardrail 1, the concrete guardrail 1 and the highway guardrail 2 jointly play a protective effect, a reinforcing rib 20 is fixedly connected to one side of a first connecting plate 19, the reinforcing rib 20 and the first connecting plate 19 increase the stability of the guardrail, two reinforcing plates 21 are fixedly connected to the front side of the outer circle of an adjusting plate 5, the reinforcing plates 21 are distributed below the adjusting plate 5, so that the small vehicles can be prevented from rushing out of the guardrail, the reinforcing rib 20 is fixedly connected to the top of the outer wall of the adjusting plate 5, a clamping block 15 is slidingly connected to the inner wall of a limiting groove 18, the clamping block 15 can be adjusted in position according to the terrain, is clamped into a corresponding limiting hole 14, and is clamped between the clamping block 15 and the limiting hole 14, a connecting ring 22 is fixedly connected to one side of the outer circle of each of two supporting rods 16, a buffer pad 4 can reduce the impact force, and the highway guardrail 2 is fixedly connected to one side of the buffer pad 4.
[0035] In combination with Figures 2-4The wave crash barrier plate 3 can guide the vehicle out, reduce the impact force, and the wave crash barrier plate 3 is provided with uniformly distributed buffer pads 4 on one side. The highway guardrail 2 is fixedly connected with uniformly distributed first connecting plates 19 on the front side, and the first connecting plates 19 are fixedly connected with adjusting plates 5 at the bottom. The adjusting plates 5 are fixedly connected with two housings 7 on one side of the outer wall, and the adjacent two housings 7 are fixedly connected with fixing plates 10 on one side. When the crash wheel 9 is stressed, the connecting rod 24 will slide in the U-shaped rod 8, compress the first spring 11, and then cooperate with the damper 13 to buffer. The adjacent two fixing plates 10 are fixedly connected with U-shaped rods 8 on one side, and the U-shaped rods 8 are fixedly connected with connecting rods 24 at both ends. The two connecting rods 24 are provided with two first springs 11 outside the circle, and the two connecting rods 24 are fixedly connected with second connecting plates 12 at one end. The adjacent two housings 7 are provided with dampers 13 on one side of the inner circle, and the U-shaped rod 8 is rotatably connected with the crash wheel 9 outside the circle. The crash wheel 9 can be made of soft material to reduce the impact force. When the vehicle collides with the crash wheel 9, it can drive the rotation. The adjusting plate 5 is provided with an adjusting assembly on the inner wall, and the damper 13 is provided with a second connecting plate 12 on one side. The second connecting plate 12 is slidably connected with the housing 7 inside the circle.
[0036] In combination Figure 5 And Figure 6 The adjusting assembly comprises a strut 6 slidably connected between the adjusting plate 5 and the strut 6. The strut 6 can slide in the adjusting plate 5 to adjust the height. The adjusting plate 5 is provided with uniformly distributed limiting holes 14 on the left and right sides of the outer wall. When the clamping block 15 is clamped into the limiting hole 14, the height after adjustment can be fixed. The strut 6 is provided with a limiting slot 18 on the left and right sides. The two limiting slots 18 are fixedly connected with a fixed ring 17 on one side of the inner wall. Press two clamping blocks 15 to move the strut 16 and compress the second spring 23 to move the strut 6. The two limiting slots 18 are slidably connected with a strut 16 on one side of the inner circle. The two struts 16 are provided with a second spring 23 outside the circle. The two struts 16 are fixedly connected with clamping blocks 15 at opposite ends.
[0037] Working principle: in use, when the vehicle hits the anti-collision wheel 9, the U-shaped rod 8 extrudes 24, 24 slides, the first spring 11 is extruded, then the damper 13 works, absorbs the impact force, buffers, at the same time, the vehicle moves due to inertia, so as to drive the anti-collision wheel 9 to rotate, so that the vehicle can slide on the wave-shaped anti-collision plate 3, cooperate with the buffer pad 4, reduce the impact force, thereby increasing the anti-collision effect, then a plurality of first connecting plates 19 and reinforcing ribs 20 are arranged on one side of the highway guardrail 2, the stability of the structure is increased, the reinforcing plate 21 arranged below also reinforces the guardrail, improves the safety and anti-collision property, then when installing, press two clamping blocks 15, make the clamping block 15 move into the limiting groove 18, then the supporting rod 16 slides in the fixed ring 17, and the second spring 23 is compressed, so that the supporting column 6 can slide in the adjusting plate 5, adjust the height of the supporting column 6, then make the clamping block 15 move to the corresponding limiting hole 14, release the pressing force, the clamping block 15 is clamped in the limiting hole 14, fixed, convenient for adjusting according to the uneven ground, improve the use effect.
[0038] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply that these entities or actions have any such actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A wing-wall-free buffer energy-absorbing highway guardrail, comprising a concrete guardrail (1), characterized in that: A highway guardrail (2) is provided on one side of the concrete guardrail (1). A corrugated anti-collision plate (3) is fixedly connected to the rear side of the highway guardrail (2). A buffer pad (4) is evenly distributed on one side of the corrugated anti-collision plate (3). A first connecting plate (19) is evenly distributed on the front side of the highway guardrail (2). An adjusting plate (5) is fixedly connected to the bottom of each of the first connecting plates (19). Two outer shells (7) are fixedly connected to one side of the outer wall of each adjusting plate (5). A fixing plate (10) is fixedly connected to one side of each of the two adjacent outer shells (7). A U-shaped rod (8) is fixedly connected to one side of each of the two adjacent fixed plates (10). A connecting rod (24) is slidably connected to both ends of the U-shaped rod (8). Two first springs (11) are sleeved on the outer ring of each of the two connecting rods (24). A second connecting plate (12) is fixedly connected to one end of each of the two connecting rods (24). A damper (13) is provided on one side of the inner ring of each of the two adjacent outer shells (7). A collision wheel (9) is rotatably connected to the outer ring of the U-shaped rod (8). An adjustment component is provided on the inner wall of each adjustment plate (5).
2. The wing-wall-free buffer energy-absorbing highway guardrail according to claim 1, characterized in that: The adjustment assembly includes a support column (6), which is slidably connected to the adjustment plate (5). The adjustment plate (5) has uniformly distributed limiting holes (14) on both the left and right sides of its outer wall. The support column (6) has limiting grooves (18) on both the left and right sides. A fixing ring (17) is connected through and fixedly connected to one side of the inner wall of each of the two limiting grooves (18). A support rod (16) is slidably connected to one side of the inner ring of each of the two limiting grooves (18). A second spring (23) is sleeved on the outer ring of each of the two support rods (16). A locking block (15) is fixedly connected to the opposite end of each of the two support rods (16).
3. The wing-wall-free buffer energy-absorbing highway guardrail according to claim 1, characterized in that: A second connecting plate (12) is provided on one side of the damper (13), and the second connecting plate (12) is slidably connected to the inner ring of the outer shell (7).
4. The wing-wall-free buffer energy-absorbing highway guardrail according to claim 1, characterized in that: A reinforcing rib (20) is fixedly connected to one side of the first connecting plate (19).
5. The wing-wall-free buffer energy-absorbing highway guardrail according to claim 1, characterized in that: Two reinforcing plates (21) are fixedly connected to the front side of the outer ring of the adjusting plate (5), and a reinforcing rib (20) is fixedly connected to the top of the outer wall of the adjusting plate (5).
6. A wing-wall-free buffer energy-absorbing highway guardrail according to claim 2, characterized in that: The inner wall of the limiting groove (18) is slidably connected to a locking block (15), which engages with the limiting hole (14).
7. A wing-wall-free buffer energy-absorbing highway guardrail according to claim 2, characterized in that: Each of the two support rods (16) has a connecting ring (22) fixedly connected to one side of its outer ring.
8. A wing-wall-free buffer energy-absorbing highway guardrail according to claim 1, characterized in that: The buffer pad (4) is fixedly connected to a highway guardrail (2) on one side.