Highway guardrail with buffer structure

Abstract

The utility model discloses a road guardrail with a buffer structure, and relates to the field of road guardrails. The highway guardrail with the buffer structure comprises a support, and supporting rods are installed at the top and the bottom of the inner side of the support. According to the road guardrail with the buffer structure, the support is fixed through the base and the mounting plate, the base and a road can be fixed through external mounting screws, and when a vehicle or a pedestrian on the road collides with the protection plate, the protection plate transmits the received acting force to the buffer plate, so that the buffer plate can buffer the vehicle or the pedestrian. The buffer plate drives the sliding block to be in sliding connection in an inner cavity of the sliding groove, the situation that the buffer plate shakes when moving can be effectively prevented, the buffer plate sequentially transmits the action to the buffer spring and the composite spring, and the composite spring has the advantages of being higher in loading capacity and large in deformation, better in damping and noise reduction effect, stable in work, short in resonance interval and the like. And the acting force applied in the front is counteracted and absorbed again.

Description

Technical Field

[0001] The utility model relates to the field of highway guardrails, in particular to a highway guardrail with a buffer structure. Background Art

[0002] Guardrails are mainly used for the protection and protection of personal safety and equipment facilities in residential areas, highways, commercial areas, public places and other places. Guardrails can be seen everywhere in our lives. The price per meter of guardrails varies according to the height. Highway guardrails are divided into three types: rigid guardrails, semi-rigid guardrails, and flexible guardrails. Rigid guardrails are generally represented by cast highway guardrails, semi-rigid guardrails are generally represented by corrugated guardrails, and flexible guardrails are generally represented by cable guardrails.

[0003] The existing highway guardrails do not have a buffer structure. Direct collisions will cause damage to the guardrails, which cannot meet the use requirements and will also affect the service life of the guardrails.

[0004] Therefore, it is necessary to provide a highway guardrail with a buffer structure to solve the above-mentioned technical problems. The disclosure of the information in this background technology section is only intended to increase the understanding of the overall background of the invention, and is not necessarily regarded as an admission or suggestion in any form that the information constitutes the prior art that is already known to the general technicians in the field. Utility Model Content

[0005] The utility model provides a highway guardrail with a buffer structure, which solves the technical problem that the existing highway guardrail has no buffer structure, a direct collision may cause damage to the guardrail, cannot meet the use requirements, and also affects the service life of the guardrail.

[0006] In order to solve the above technical problems, the utility model provides a highway guardrail with a buffer structure, including a bracket, support rods are installed on the top and bottom of the inner side of the bracket, pillars are welded on the inner side of the support rods from left to right, a guardrail frame is arranged on the front of the support rod, a buffer assembly is arranged in the inner cavity of the guardrail frame, a protective plate is arranged in the inner cavity of the guardrail frame, the front of the protective plate passes through the front of the guardrail frame, a buffer pad is arranged on the front of the protective plate, and the buffer pad is made of rubber;

[0007] The buffer assembly includes a buffer spring, a composite spring and a buffer block. There are two buffer springs, which are symmetrically arranged on the left and right. The rear side of the buffer spring is fixed to the front side of the buffer block, and the rear side of the buffer block is fixed to the rear side of the inner cavity of the guardrail frame. The rear side of the composite spring is equipped with a mounting block, and the rear side of the mounting block is fixed to the rear side of the inner cavity of the guardrail frame. The front side of the composite spring is equipped with a buffer plate, and the rear side of the buffer plate is fixed to the front side of the buffer spring.

[0008] Preferably, there are two guardrail frames, and the two are symmetrically arranged up and down.

[0009] Preferably, the number of the composite springs is three, and the three are evenly distributed on the rear side of the inner cavity of the guardrail frame.

[0010] Preferably, sliding grooves are provided on the front sides of both sides of the inner cavity of the guardrail frame, and the inner cavity of the sliding groove is slidably connected with a sliding block, and the inner side of the sliding block is fixed to both sides of the buffer plate.

[0011] Preferably, screw pins are sequentially arranged on the rear side of the support rod from left to right, and the front side of the screw pins penetrates the front side of the support rod and is threadedly fixed to the rear side of the guardrail frame.

[0012] Preferably, a mounting plate is installed at the bottom of the bracket, and a base is installed at the bottom of the mounting plate.

[0013] Preferably, a top cover is provided on the top of the bracket, and the bottom of the top cover is fixed to the top of the bracket by welding.

[0014] Preferably, the number of the brackets is two, and the two brackets are symmetrically arranged on the left and right.

[0015] Compared with the related art, the highway guardrail with a buffer structure provided by the utility model has the following beneficial effects:

[0016] The utility model provides a highway guardrail with a buffer structure, which plays a role of fixing a bracket through a base and a mounting plate, and the base can be fixed to the highway through an external mounting screw. When a vehicle or pedestrian on the road collides with the guardrail, the guardrail transmits the received force to the buffer plate, and the buffer plate drives the sliding block to slide and connect in the inner cavity of the sliding groove, so that shaking of the buffer plate can be effectively prevented from occurring when the buffer plate moves. The buffer plate transmits the action to the buffer spring and the composite spring in turn. The composite spring has the advantages of higher load capacity and large deformation, better shock absorption and noise reduction effect, stable operation, short resonance range, etc., and the action force applied from the front is offset and absorbed again. The generated telescopic tension can make it possible to quickly pull the buffer plate back to its original position after the collision. The buffer spring reduces or eliminates the periodic vibration or instantaneous impact caused by the collision equipment or other factors according to the shock absorption, the bending stiffness of the torsion spring and the initial action force of the torsion spring, and can weaken and reduce the impact force from the top, thereby solving the technical problems that the existing highway guardrail does not have a buffer structure, direct collision will cause damage to the guardrail, cannot meet the use requirements, and also affects the service life of the guardrail.

[0017] The utility model provides a highway guardrail with a buffer structure, which adopts the setting of screw pins to fix the guardrail frame and the pillars, so that the guardrail frame and the pillars are more effective when in use, avoiding the guardrail frame and the pillars from shaking when in use, and also making it convenient for people to disassemble or replace the guardrail frame and the pillars. Through the setting of the buffer pad, it can play a good protective role when a car or pedestrian collides, preventing the car or pedestrian from directly colliding with the protective plate and being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a preferred embodiment of a highway guardrail with a buffer structure provided by the utility model;

[0019] Figure 2 This is a top view of the guardrail frame structure of the utility model;

[0020] Figure 3 This is a top view of the guardrail frame and buffer component structure of the utility model.

[0021] Numbers in the figure: 1. bracket; 2. support rod; 3. pillar; 4. guardrail frame; 5. buffer assembly; 510. buffer spring; 520. composite spring; 530. buffer block; 6. buffer plate; 7. protective plate; 8. mounting block; 9. sliding groove; 10. sliding block; 11. screw; 12. base. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] See also Figure 1-3 The utility model provides a technical solution: a highway guardrail with a buffer structure, comprising a bracket 1, a support rod 2 is installed on the top and bottom of the inner side of the bracket 1, pillars 3 are welded on the inner side of the support rod 2 from left to right, a guardrail frame 4 is arranged on the front of the support rod 2, a buffer component 5 is arranged in the inner cavity of the guardrail frame 4, a protective plate 7 is arranged in the inner cavity of the guardrail frame 4, the front of the protective plate 7 passes through the front of the guardrail frame 4, a buffer pad is arranged on the front of the protective plate 7, and the buffer pad is made of rubber;

[0025] The buffer assembly 5 includes a buffer spring 510, a composite spring 520 and a buffer block 530. There are two buffer springs 510, and the two are symmetrically arranged on the left and right. The rear side of the buffer spring 510 is fixed to the front side of the buffer block 530, and the rear side of the buffer block 530 is fixed to the rear side of the inner cavity of the guardrail frame 4. The rear side of the composite spring 520 is installed with a mounting block 8, and the rear side of the mounting block 8 is fixed to the rear side of the inner cavity of the guardrail frame 4. The front side of the composite spring 520 is installed with a buffer plate 6, and the rear side of the buffer plate 6 is fixed to the front side of the buffer spring 510.

[0026] In this embodiment, the bracket 1 is fixed by the base 12 and the mounting plate, and the base 12 can be fixed to the road by external mounting screws. When a vehicle or pedestrian on the road collides with the protective plate 7, the protective plate 7 transmits the received force to the buffer plate 6, and the buffer plate 6 drives the sliding block 10 to slide in the inner cavity of the sliding groove 9, which can effectively prevent the buffer plate 6 from shaking when it moves. The buffer plate 6 transmits the action to the buffer spring 510 and the composite spring 520 in turn. The composite spring 520 has a higher load capacity and a large deformation, and has a shock-absorbing and noise-reducing effect. The advantages of better, stable operation, short resonance range, etc., are to offset and absorb the force applied from the front again, and the generated telescopic tension can quickly pull the buffer plate 6 back to its original position after the impact. The buffer spring 510 reduces or eliminates the periodic vibration or instantaneous impact caused by the collision equipment or other factors according to the shock absorber, the bending stiffness of the torsion spring and the initial force of the torsion spring, and can weaken and reduce the impact force from above, solving the technical problem that the existing highway guardrail has no buffer structure, direct collision will cause damage to the guardrail, cannot meet the use requirements, and will also affect the service life of the guardrail.

[0027] Embodiment 2:

[0028] See also Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: the number of guardrail frames 4 is two, and the two are symmetrically arranged up and down, the number of composite springs 520 is three, and the three are evenly distributed on the rear side of the inner cavity of the guardrail frame 4, and the front sides of both sides of the inner cavity of the guardrail frame 4 are provided with sliding grooves 9, and the inner cavity of the sliding grooves 9 is slidably connected with sliding blocks 10, and the inner sides of the sliding blocks 10 are fixed to the two sides of the buffer plate 6, and the rear sides of the support rod 2 are provided with screw pins 11 from left to right, and the front side of the screw pins 11 penetrates the front side of the support rod 2 and is threadedly fixed to the rear side of the guardrail frame 4, a mounting plate is installed at the bottom of the bracket 1, and a base 12 is installed at the bottom of the mounting plate, a top cover is provided at the top of the bracket 1, and the bottom of the top cover is fixed to the top of the bracket 1 by welding, and the number of brackets 1 is two, and the two are symmetrically arranged.

[0029] In the present embodiment, the screw pin 11 is used to fix the guardrail frame 4 and the pillar 3, so that the guardrail frame 4 and the pillar 3 are more effective when in use, avoiding the shaking of the guardrail frame 4 and the pillar 3 when in use, and also making it convenient for people to disassemble or replace the guardrail frame 4 and the pillar 3. The buffer pad can provide good protection when a car or pedestrian collides with the guardrail frame 4 or the pillar 3, preventing the car or pedestrian from being damaged by direct collision with the protective plate 7.

[0030] The working principle of a highway guardrail with a buffer structure provided by the utility model is as follows:

[0031] The first step to implement the innovation point:

[0032] Step 1: The bracket 1 is fixed by the base 12 and the mounting plate. The base 12 can be fixed to the road by external mounting screws. When a vehicle or pedestrian on the road collides with the guard plate 7, the guard plate 7 transmits the received force to the buffer plate 6;

[0033] Step 2: The buffer plate 6 drives the sliding block 10 to slide and connect in the inner cavity of the sliding groove 9, which can effectively prevent the buffer plate 6 from shaking when moving. The buffer plate 6 transmits the action to the buffer spring 510 and the composite spring 520 in turn. The composite spring 520 has the advantages of higher load capacity and large deformation, better shock absorption and noise reduction effect, stable operation, short resonance range, etc. The force applied from the front is offset and absorbed again, and the generated telescopic tension can quickly pull the buffer plate 6 back to its original position after the impact;

[0034] Step 3: The buffer spring 510 reduces or eliminates the periodic vibration or instantaneous impact caused by collision equipment or other factors according to the bending stiffness of the shock absorber and torsion spring and the initial force of the torsion spring. It can weaken and reduce the impact force from above, and solves the technical problem that the existing highway guardrail has no buffer structure, direct collision will cause damage to the guardrail, cannot meet the use requirements, and will also affect the service life of the guardrail.

[0035] The second innovation point implementation steps:

[0036] The first step: adopting the setting of the screw pin 11 to fix the guardrail frame 4 and the pillar 3, so that the guardrail frame 4 and the pillar 3 are better in use, avoiding the shaking of the guardrail frame 4 and the pillar 3 when in use, and also facilitating people to disassemble or replace the guardrail frame 4 and the pillar 3;

[0037] Step 2: By setting the buffer pad, a good protective effect can be played when a car or pedestrian collides, preventing the car or pedestrian from directly colliding with the protective plate 7 and being damaged.

[0038] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model no longer explains the control method and circuit connection in detail. The peripheral controller mentioned in the specification can control the electrical components mentioned in this article, and the peripheral controller is a conventional known device.

[0039] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0040] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above are only preferred implementation methods of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the utility model, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A highway guardrail with a buffer structure, comprising a bracket (1), characterized in that: A support rod (2) is installed at the top and bottom of the inner side of the bracket (1), and pillars (3) are welded to the inner side of the support rod (2) from left to right in sequence. A guardrail frame (4) is arranged on the front side of the support rod (2), and a buffer component (5) is arranged in the inner cavity of the guardrail frame (4). A protective plate (7) is arranged in the inner cavity of the guardrail frame (4), and the front side of the protective plate (7) passes through the front side of the guardrail frame (4). A buffer pad is arranged on the front side of the protective plate (7), and the buffer pad is made of rubber material; The buffer assembly (5) comprises a buffer spring (510), a composite spring (520) and a buffer block (530). The number of the buffer springs (510) is two, and the two are symmetrically arranged. The rear side of the buffer spring (510) is fixed to the front side of the buffer block (530), and the rear side of the buffer block (530) is fixed to the rear side of the inner cavity of the guardrail frame (4). The rear side of the composite spring (520) is installed with a mounting block (8), and the rear side of the mounting block (8) is fixed to the rear side of the inner cavity of the guardrail frame (4). The front side of the composite spring (520) is installed with a buffer plate (6), and the rear side of the buffer plate (6) is fixed to the front side of the buffer spring (510).

2. A highway guardrail with a buffer structure according to claim 1, characterized in that: The number of the guardrail frames (4) is two, and the two are symmetrically arranged up and down.

3. The highway guardrail with a buffer structure according to claim 1, characterized in that: The number of the composite springs (520) is three, and the three are evenly distributed on the rear side of the inner cavity of the guardrail frame (4).

4. The highway guardrail with a buffer structure according to claim 1, characterized in that: The front sides of both sides of the inner cavity of the guardrail frame (4) are provided with sliding grooves (9), the inner cavity of the sliding grooves (9) is slidably connected with sliding blocks (10), and the inner sides of the sliding blocks (10) are fixed to the two sides of the buffer plate (6).

5. The highway guardrail with a buffer structure according to claim 1, characterized in that: Screw pins (11) are arranged in sequence from left to right on the rear side of the support rod (2); the front side of the screw pins (11) penetrates the front side of the support rod (2) and is threadedly fixed to the rear side of the guardrail frame (4).

6. The highway guardrail with a buffer structure according to claim 1, characterized in that: A mounting plate is installed at the bottom of the bracket (1), and a base (12) is installed at the bottom of the mounting plate.

7. The highway guardrail with a buffer structure according to claim 1, characterized in that: A top cover is provided on the top of the bracket (1), and the bottom of the top cover is fixed to the top of the bracket (1) by welding.

8. The highway guardrail with a buffer structure according to claim 1, characterized in that: The number of the brackets (1) is two, and the two are arranged symmetrically on the left and right.

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