CN215857423U - Highway anticollision buffer - Google Patents
Highway anticollision buffer Download PDFInfo
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- CN215857423U CN215857423U CN202122265704.XU CN202122265704U CN215857423U CN 215857423 U CN215857423 U CN 215857423U CN 202122265704 U CN202122265704 U CN 202122265704U CN 215857423 U CN215857423 U CN 215857423U
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Abstract
The utility model discloses an anti-collision buffer device for a highway, which comprises a plurality of groups of buffer energy-absorbing frames which are arrayed in sequence, wherein each group of buffer energy-absorbing frames comprises two upright posts which are arranged oppositely, the opposite side walls of the two upright posts are connected through a connecting rod, two sides of each upright post are connected with guide groove plates which extend along the horizontal direction, and the guide groove plates are spatially vertical to the connecting rods; the guide groove plates of two adjacent groups of buffering energy-absorbing frames are nested in a sliding mode, the tail ends of the guide groove plates of the buffering energy-absorbing frames at the head end and the tail end are connected with end anchoring structures, the tail ends of the guide groove plates of the buffering energy-absorbing frames at the head end are also connected with buffering energy-absorbing guide collision heads, and the buffering energy-absorbing frames at the head end are the buffering energy-absorbing frames closest to the driving-in direction of the vehicle. The utility model can satisfy the front collision buffer performance and the side collision guide performance of the vehicle.
Description
Technical Field
The utility model belongs to the field of highway traffic safety facilities, and particularly relates to a highway anti-collision buffer device.
Background
The triangular diversion nose end of the expressway and the tunnel entrance and exit are accident high-incidence positions, and protection, buffering and guiding facilities are generally arranged at the triangular end position and the tunnel entrance and exit to ensure the safety of the area. Most of the anti-collision pads on the existing expressway mainly absorb the kinetic energy of vehicles through the crushing of the internal steel energy absorption structure, and provide buffering space and time for vehicle collision, so that the injury of drivers and passengers caused by external force impact is reduced, but the structural steel structure is often too large in rigidity, the stability and the acceleration index are not easy to control, and the structural deformation after an accident happens leads to the incapability of recycling materials, thereby causing waste.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a highway anti-collision buffer device which can meet the requirements of the front collision buffer performance and the side collision guide performance of vehicles.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
a highway anti-collision buffer device comprises a plurality of groups of buffer energy-absorbing frames which are arrayed in sequence, wherein each group of buffer energy-absorbing frames comprises two upright posts which are arranged oppositely, the opposite side walls of the two upright posts are connected through a connecting rod, two sides of each upright post are connected with guide groove plates which extend along the horizontal direction, and the guide groove plates are spatially vertical to the connecting rods; the guide groove plates of two adjacent groups of buffering energy-absorbing frames are nested in a sliding mode, the tail ends of the guide groove plates of the buffering energy-absorbing frames at the head end and the tail end are connected with end anchoring structures, the tail ends of the guide groove plates of the buffering energy-absorbing frames at the head end are also connected with buffering energy-absorbing guide collision heads, and the buffering energy-absorbing frames at the head end are the buffering energy-absorbing frames closest to the driving-in direction of the vehicle.
Furthermore, each upright post of each group of the buffering energy-absorbing frame is further rotatably sleeved with a buffering rotary barrel, and each buffering rotary barrel is located in the middle of the upright post where the buffering rotary barrel is located.
Further, the buffering rotary barrel is made of an EVA (ethylene vinyl acetate) composite material.
Furthermore, two guide rods are connected between the end anchoring structures at the head end and the tail end, a plurality of groups of upright columns which are sequentially arrayed are sleeved on one guide rod in a sliding manner, and a plurality of groups of upright columns which are sequentially arrayed are sleeved on the other guide rod in a sliding manner.
Furthermore, each upright post is provided with a through hole, and the corresponding guide rod penetrates through the corresponding through hole on the upright post.
Furthermore, two sides of each upright post of each group of the buffering and energy absorbing frames, which are close to the upper end, and two sides of each upright post, which are close to the lower end, are connected with guide groove plates extending along the horizontal direction.
Furthermore, the buffering energy-absorbing collision guide head is in a convex arc shape, and the inside of the buffering energy-absorbing collision guide head is of a hollow structure.
Furthermore, the guide groove plates on two sides of each upright post are connected with the corresponding upright post by bolts.
Compared with the prior art, the utility model has at least the following beneficial effects:
the utility model provides an expressway anti-collision buffer device which is arranged at the position of a triangular end of an expressway and the position of a tunnel entrance, when a vehicle is impacted, a buffering energy-absorbing guide head firstly deforms and transmits energy to guide groove plates of a first group of buffering energy-absorbing frames, the guide groove plates of the first group of buffering energy-absorbing frames transmit thrust to stand columns to drive the first group of buffering energy-absorbing frames to integrally move towards the end part, vertical steel plates with grooves formed in the side surfaces of the guide groove plates are broken in the moving process, when the guide groove plates of the first group of buffering energy-absorbing frames stretch into the guide groove plates of the first group of buffering energy-absorbing frames, the rest energy is continuously transmitted to the stand columns of the next buffering energy-absorbing frame, the next buffering energy-absorbing frame is pushed to integrally move towards the end part, and the like, so that the anti-collision buffer device can absorb and resolve collision energy.
Further, still rotate the cover and be equipped with the rotatory bucket of buffering on every stand of every group buffering energy-absorbing frame, every rotatory bucket of buffering is located the intermediate position of its place stand, when the striking takes place, the rotatory bucket of buffering of the rotatory bucket extrusion of first group buffering energy-absorbing frame is down the rotatory bucket of buffering of individual buffering energy-absorbing frame, analogize with this, the rotatory bucket of buffering between the adjacent two sets of buffering energy-absorbing frames extrudes each other and absorbs partial collision energy, and simultaneously, the rotatory bucket of buffering can also play the buffering guide effect to the vehicle of lateral collision.
Furthermore, the buffering rotary barrel is made of EVA composite materials which can be repeatedly used, and the purpose of saving the operation cost of the highway is achieved.
Furthermore, two guide rods are connected between the end anchoring structures at the head end and the tail end, a plurality of groups of upright columns at one side of the buffering and energy-absorbing frames which are sequentially arrayed are slidably sleeved on one guide rod, a plurality of groups of upright columns at the other side of the buffering and energy-absorbing frames which are sequentially arrayed are slidably sleeved on the other guide rod, and the guide rods effectively prevent the anti-collision buffer device from shifting when being collided.
Furthermore, each upright post of each group of buffering energy-absorbing frames is close to both sides of the upper end and both sides of the lower end and is connected with a guide groove plate extending along the horizontal direction, so that the anti-collision buffering effect is better.
Furthermore, the buffering energy-absorbing collision leading head is in a convex arc shape, the inside of the buffering energy-absorbing collision leading head is of a hollow structure, and the energy-absorbing collision-preventing effect is better.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an isometric view from a perspective of a highway crash cushion of the present invention;
FIG. 2 is an isometric view from another perspective of a highway crash cushion of the present invention;
FIG. 3 is an exploded view of a set of energy absorbing and cushioning frames of the highway crash cushion of the present invention.
In the figure: 1-a cushioning energy absorbing frame; 101-a column; 102-a connecting rod; 103-guide groove plate; 104-buffer rotating barrel; 2-an end anchoring structure; 3-buffering the energy-absorbing impact head; 4-guide rod.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As a specific embodiment of the present invention, referring to fig. 1, 2 and 3, a highway crash-proof buffer device includes a plurality of sets of sequentially arrayed energy-absorbing frames 1, specifically, as shown in fig. 3, each set of energy-absorbing frames 1 includes two upright columns 101 disposed opposite to each other, opposite side walls of the two upright columns 101 are connected by a connecting rod 102, and preferably, a connecting rod 102 is connected to a position near the top end and the bottom end of each of the two upright columns 101. Both sides of each upright post 101 are connected with guide groove plates 103 extending along the horizontal direction, and the guide groove plates 103 are spatially perpendicular to the connecting rods 102. Preferably, each pillar 101 of each set of energy-absorbing and buffering frame 1 is connected to a guide groove plate 103 extending along the horizontal direction on both sides near the upper end and both sides near the lower end. The guide groove plates 103 on two sides of each upright 101 are connected with the corresponding upright 101 by bolts.
In a more preferred embodiment, each upright 101 of each group of energy-absorbing and buffering frames 1 is further rotatably sleeved with a buffering rotary barrel 104, and each buffering rotary barrel 104 is located in the middle of the upright 101. In this embodiment, the buffering rotary barrel 104 is made of EVA composite material, and the buffering rotary barrel 104 can rotate to dissipate energy and play a guiding role when it is collided by the side.
The guide groove plates 103 of two adjacent groups of buffering energy-absorbing frames 1 are nested in a sliding mode, the tail ends of the guide groove plates 103 of the buffering energy-absorbing frames 1 at the head end and the tail end are connected with end anchoring structures 2, the tail ends of the guide groove plates 103 of the buffering energy-absorbing frames 1 at the head end are also connected with buffering energy-absorbing collision heads 3, the end anchoring structures 2 are fixed structures fixed on the ground, and the buffering energy-absorbing frames 1 at the head end are the buffering energy-absorbing frames closest to the driving-in direction of the vehicle. Preferably, the buffering energy-absorbing impact head 3 is in a convex arc shape, and the inside of the buffering energy-absorbing impact head is in a hollow structure, in this embodiment, the buffering energy-absorbing impact head 3 is made of an iron sheet, and the buffering energy-absorbing impact head 3 is connected with the guide groove plate 103 in a bolt connection manner.
In a more preferred embodiment, two guide rods 4 are connected between the end anchoring structures 2 at the head and tail ends, and the guide rods 4 are connected with the end anchoring structures 2 through bolt structures. The upright posts 101 on one side of the buffer energy-absorbing frames 1 in the groups of sequential arrays are slidably sleeved on one guide rod 4, and the upright posts 101 on the other side of the buffer energy-absorbing frames 1 in the groups of sequential arrays are slidably sleeved on the other guide rod 4. Specifically, in this embodiment, each upright 101 is provided with a through hole, the corresponding guide rod 4 passes through the through hole on the corresponding upright 101, so as to realize the sliding connection between the upright 101 and the corresponding guide rod 4, and the guide rods 4 effectively prevent the crash cushion from shifting when being collided. After the anti-collision buffer device is impacted, the upright posts 101 on each group of buffering and energy-absorbing frames 1 slide along the guide rods 4 to the impact direction, the guide groove plates 103 of the adjacent buffering and energy-absorbing frames 1 slide and contract mutually, the connecting structure is broken in the sliding process, and part of impact energy is absorbed.
Specifically, when the front of the anti-collision buffer device is collided, the buffer energy-absorbing collision head 3 firstly deforms and transmits energy to the guide groove plates 103 of the first group of buffer energy-absorbing frames 1, the guide groove plates 103 of the first group of buffer energy-absorbing frames 1 transmit thrust to the upright posts 101 to drive the first group of buffer energy-absorbing frames 1 to integrally move towards the end parts, vertical steel plates with grooves formed in the side surfaces of the guide groove plates 103 are broken in the moving process until the buffer rotating barrels 104 extrude the buffer rotating barrels 104 of the next buffer energy-absorbing frame 1, after the buffer rotating barrels 104 absorb part of collision energy, the rest energy is continuously transmitted to the upright posts 101 of the next buffer energy-absorbing frame 1, the next buffer energy-absorbing frame 1 is pushed to integrally move towards the end parts, and the like, so that the anti-collision buffer device can absorb and resolve the collision energy. The front collision buffer performance and the lateral collision guide performance of the vehicle can be met, the EVA composite material buffer rotary barrel after a collision accident can be repeatedly utilized, and the purpose of saving the operation cost of the highway is achieved.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The anti-collision buffer device for the expressway is characterized by comprising a plurality of groups of sequentially arrayed energy-absorbing frames (1), wherein each group of energy-absorbing frames (1) comprises two upright posts (101) which are arranged oppositely, the opposite side walls of the two upright posts (101) are connected through connecting rods (102), two sides of each upright post (101) are connected with guide groove plates (103) extending along the horizontal direction, and the guide groove plates (103) are spatially vertical to the connecting rods (102); the guide groove plates (103) of two adjacent groups of buffering energy-absorbing frames (1) are nested in a sliding mode, the tail ends of the guide groove plates (103) of the buffering energy-absorbing frames (1) at the head end and the tail end are connected with end anchoring structures (2), the tail ends of the guide groove plates (103) of the buffering energy-absorbing frames (1) at the head end are further connected with buffering energy-absorbing collision heads (3), and the buffering energy-absorbing frames (1) at the head end are the buffering energy-absorbing frames closest to the driving-in direction of the vehicle.
2. The anti-collision buffer device for the expressway according to claim 1, wherein each upright post (101) of each group of the energy-absorbing and buffering frames (1) is further rotatably sleeved with a buffering rotary barrel (104), and each buffering rotary barrel (104) is located in the middle of the upright post (101) where the buffering rotary barrel is located.
3. The anti-collision buffer device for the expressway according to claim 2, wherein the buffer rotary barrel (104) is made of an EVA composite material.
4. The anti-collision buffering device for the expressway according to claim 1, wherein two guide rods (4) are connected between the end anchoring structures (2) at the head end and the tail end, a plurality of groups of columns (101) at one side of the energy-absorbing and buffering frame (1) which are arrayed in sequence are slidably sleeved on one guide rod (4), and a plurality of groups of columns (101) at the other side of the energy-absorbing and buffering frame (1) which are arrayed in sequence are slidably sleeved on the other guide rod (4).
5. The anti-collision buffer device for the expressway according to claim 4, wherein each upright post (101) is provided with a through hole, and the corresponding guide rod (4) passes through the corresponding through hole in the upright post (101).
6. The highway crash cushion according to claim 1 wherein each of said columns (101) of each of said energy absorbing frames (1) is connected to a guide channel plate (103) extending in a horizontal direction on both sides of the upper end and both sides of the lower end.
7. The anti-collision buffer device for the expressway according to claim 1, wherein the energy-absorbing impact head (3) is convexly curved and has a hollow structure inside.
8. The highway crash cushion according to claim 1 wherein the guide channel plates (103) on both sides of each upright (101) are connected with the corresponding upright (101) by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122265704.XU CN215857423U (en) | 2021-09-17 | 2021-09-17 | Highway anticollision buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122265704.XU CN215857423U (en) | 2021-09-17 | 2021-09-17 | Highway anticollision buffer |
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| Publication Number | Publication Date |
|---|---|
| CN215857423U true CN215857423U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122265704.XU Active CN215857423U (en) | 2021-09-17 | 2021-09-17 | Highway anticollision buffer |
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| CN (1) | CN215857423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687309A (en) * | 2022-04-08 | 2022-07-01 | 中南大学 | Anti-collision cushion |
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2021
- 2021-09-17 CN CN202122265704.XU patent/CN215857423U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687309A (en) * | 2022-04-08 | 2022-07-01 | 中南大学 | Anti-collision cushion |
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