CN216428112U - Anti-collision energy dissipation end - Google Patents

Abstract

The utility model provides an anti-collision energy dissipation end, relating to the technical field of traffic safety protection facilities; the energy absorption device comprises pre-buried upright columns, guide rails, an end part protection mechanism, first supporting upright columns, energy absorption units and corrugated plates; the guide rail is arranged at the top of the embedded upright post, the end part protection mechanism is arranged at one end of the guide rail in a sliding way, and the plurality of first supporting upright posts are arranged on the guide rail in a sliding way; the corrugated plate is installed on the end protection mechanism and the first support upright. The utility model discloses when receiving the vehicle collision, the wave form board can the deformation energy-absorbing, and because first support post can slide on the guide rail, consequently can utilize compressing step by step of energy-absorbing unit to reach better energy-absorbing buffering effect, ensure the orderly effective release of the impact force of striking, and utilize the guide rail to provide the holding power to whole side direction, the leading-in exact form direction of vehicle out of control, when improving guardrail protection level, can guide the vehicle, avoid taking place the emergence that the guardrail penetrated accidents such as automobile body.

Description

Anti-collision energy dissipation end

Technical Field

The utility model relates to a traffic safety protection facility technical field particularly, relates to an anticollision energy dissipation end.

Background

At highway roadside guardrail initiating terminal, if take place the problem such as driver fatigue driving, distraction driving, surface ponding, vehicle tire burst or direction failure, because the speed of a motor vehicle is too fast, the driver can't make the correct reaction to emergency, and the vehicle bumps into the guardrail initiating terminal.

And because current highway roadside guardrail generally adopts simple forms protection such as guardrail round baotou, guardrail abduction, the pre-buried income of guardrail, its shortcoming is that the protective capacities is not enough, can not absorb the energy of crashing the vehicle, does not have the direction to crashing the vehicle in addition, causes the vehicle to hinder and trip, and the guardrail can have the hidden danger that penetrates the automobile body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticollision energy dissipation end to it is poor to solve current highway roadside guardrail end protective capability, can't carry out good energy-absorbing and direction and lead to the problem of traffic accident to the vehicle.

In order to solve the problem, the utility model provides an anticollision energy dissipation end, include: the embedded upright columns are buried deep in a road surface, and a plurality of embedded upright columns are arranged at intervals along a first horizontal direction; the guide rails are arranged at the tops of the embedded columns; an end guard mechanism slidably mounted at one of the opposite ends of the rail in the first horizontal direction; the first supporting upright columns are arranged on the guide rail at intervals and can slide on the guide rail along the first horizontal direction; one of the energy-absorbing units is connected with the adjacent end protection mechanism and the first supporting upright column respectively, and the rest energy-absorbing units are connected between the adjacent two first supporting upright columns in a one-to-one correspondence manner; and the corrugated plate is positioned on one of two opposite sides of the first supporting upright in the second horizontal direction and is respectively connected with the end protection mechanism and the plurality of first supporting uprights, wherein the second horizontal direction is vertical to the first horizontal direction.

So set up, when receiving the vehicle collision, the wave form board can the deformation energy-absorbing, and because first support post can slide on the guide rail, consequently can utilize compressing step by step of energy-absorbing unit to reach better energy-absorbing buffering effect, ensure the orderly effective release of the impact force of striking, and utilize the guide rail to provide the holding power to whole side direction, with the leading-in exact form direction of vehicle out of control, when improving guardrail protection level, can guide the vehicle, avoid taking place the emergence that the guardrail penetrated accidents such as automobile body.

Further, the guide rail comprises a horizontal guide plate, a support connecting plate and a horizontal support plate which are sequentially connected from top to bottom; the first supporting upright columns are arranged on the horizontal guide plate in a sliding mode; the horizontal supporting plates are fixedly connected with the tops of the embedded columns respectively.

So set up, design into the I-steel structure with the guide rail, the horizontal deflector on it not only can provide the slip track, plays good supporting role to first support post moreover.

Furthermore, the guide rail also comprises an inclined guide plate, and the inclined guide plate is positioned at one end of the guide rail, which is close to the end part protection mechanism, and is respectively connected with one end of the horizontal guide plate, one end of the support connecting plate and one end of the horizontal support plate.

So set up, the slope deflector can guide the vehicle when receiving the vehicle striking for on the vehicle can exert the impact force tip protection machanism, and then plays the buffering effect through the deformation of energy-absorbing unit and the slip of first support post.

Furthermore, the guide rail also comprises a plurality of reinforcing rib plates which are arranged at intervals along the length direction of the guide rail, and the reinforcing rib plates are respectively connected with the horizontal guide plate, the support connecting plate and the horizontal support plate.

So set up, utilize the reinforcing floor to improve the structural strength of guide rail self and to its upper portion structure's support intensity.

Furthermore, a sliding groove is formed in the bottom of the first support upright column and is connected with the horizontal guide plate in a sliding mode.

So set up, set up the spout in the bottom of first support post, the slidable that realizes first support post through the sliding fit of spout and horizontal guide plate, simple structure, easily dismouting.

Furthermore, the end protection mechanism comprises two second support columns, at least one horizontal support rod and an impact plate; the second supporting upright is slidably mounted on the guide rail, and the horizontal supporting rod is respectively connected with the two supporting uprights; the collision plate is arranged on the second supporting upright column close to the end part of the guide rail.

So set up, utilize and meet and hit the board and increase the area of contact of tip protection mechanism and vehicle for the vehicle can exert the impact on meeting and hitting the board, and then realize subsequent buffering energy-absorbing, in addition, through the connection of second support post and horizontal bracing piece, make tip protection mechanism form the frame-type whole, avoid tip protection mechanism deformation, and the operation that will cushion the energy-absorbing is realized by the energy-absorbing unit.

Furthermore, the collision-resisting plate is provided with folded edges along two opposite sides of the second horizontal direction, and the folded edges extend in the direction back to the first supporting upright post.

With the arrangement, the friction force between the end protection mechanism and the collided vehicle is increased by the folded edge facing the collided vehicle direction, so that the vehicle can be correctly collided along the compression energy dissipation direction.

Furthermore, the energy absorption unit comprises a plurality of energy absorption cylinders which are sequentially connected along the first horizontal direction, the upper end and the lower end of each energy absorption cylinder are provided with openings, and the horizontal cross section of each energy absorption cylinder is polygonal.

Due to the arrangement, the polygonal shape has more side walls, and the connecting part between the side walls is a deformation weak point, so that the energy absorption unit can conveniently absorb deformation energy after being impacted.

Further, the corrugated plate includes at least two peaks.

So set up, a plurality of crests can receive the striking to compress the buffering step by step, reach reliable buffering effect, protect vehicle passenger's safety, and simple structure, with low costs, easily realize.

Furthermore, the corrugated plate supporting device further comprises a plurality of connecting upright columns, the connecting upright columns are correspondingly arranged on one side, facing the corrugated plate, of the first supporting upright columns, the corrugated plate is arranged on the connecting upright columns, and the top surfaces of the connecting upright columns are flush with the top surfaces of the corrugated plate.

So set up, utilize and highly keeping level with the wave plate to connect wave plate and first support post, both guaranteed joint strength can ensure the compression stroke is smooth again.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of an anti-collision energy dissipation end provided by an embodiment of the present invention;

figure 2 is a front view of an anti-collision energy dissipation end provided by the embodiment of the utility model;

figure 3 is a top view of an anti-collision energy dissipation end provided by the embodiment of the utility model;

fig. 4 is a schematic structural view of a guide rail of an anti-collision energy dissipation end provided by the embodiment of the invention;

fig. 5 is a schematic structural view of a first support column of an anti-collision energy dissipation end provided in an embodiment of the present invention;

fig. 6 is a schematic structural view of an energy absorbing unit of an anti-collision energy dissipation end provided in an embodiment of the present invention;

figure 7 is the utility model provides an anticollision energy dissipation end's corrugated plate's schematic structure view.

Description of reference numerals:

100-pre-burying the upright post;

200-a guide rail; 210-a horizontal guide plate; 220-supporting the connecting plate; 230-a horizontal support plate; 240-inclined guide plate; 250-a reinforcing rib plate;

300-an end guard mechanism; 310-a second support column; 320-horizontal support bar; 330-collision plate; 331-folding;

400-a first support column; 410-a chute;

500-an energy-absorbing unit; 510-an energy absorbing cylinder;

600-a corrugated plate; 610-wave peak; 620-trough;

700-connecting the upright posts.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

With reference to fig. 1, fig. 2, and fig. 3, the embodiment provides an anti-collision energy dissipation end head, which includes pre-buried columns 100, guide rails 200, an end protection mechanism 300, first supporting columns 400, an energy absorption unit 500, a corrugated plate 600, and other functional structures.

The embedded column 100 of this embodiment is the foundation of the whole anti-collision energy dissipation end, and when being installed, the whole embedded column needs to be embedded deeply into the road surface, the embedding depth can be directly embedded or concrete is poured, the top of the embedded column 100 is provided with a plate-shaped member for being connected with the guide rail 200 on the upper portion, and the connection mode can be a conventional connection mode such as bolt connection.

The guide rail 200 of this embodiment is connected in the top of a plurality of pre-buried stand 100, specifically passes through structural connection such as bolt with foretell plate-like spare, and guide rail 200 plays the guide effect to the structure on it when crashproof energy dissipation end receives the striking, and then can realize energy dissipation unit and wave form board 600 deformation and slip.

The end protection mechanism 300 of the present embodiment is slidably mounted on one of the two opposite ends of the guide rail 200 in the first horizontal direction, and serves to support a vehicle in collision and perform a primary protection function. The number of the first support columns 400 of this embodiment is multiple, a plurality of first support columns 400 are installed on the guide rail 200 at intervals, the interval distance between two adjacent first support columns 400 may be constant or may vary according to design requirements, and each first support column 400 may slide on the guide rail 200 along the first horizontal direction.

The number of the energy absorption units 500 of this embodiment is also multiple, one of the multiple energy absorption units 500 is respectively connected to the adjacent end protection mechanism 300 and the first support pillar 400, and the rest multiple energy absorption units 500 are connected between the adjacent two first support pillars 400 in a one-to-one correspondence manner.

The corrugated plate 600 of this embodiment and the energy absorption unit 500 described above are the main energy absorption deformation structures when the anti-collision energy dissipation end head is impacted, the corrugated plate 600 of this embodiment is located on one of the two opposite sides of the first support pillar 400 in the second horizontal direction, and the end protection mechanism 300 is connected to the plurality of first support pillars 400, respectively, where the second horizontal direction is perpendicular to the first horizontal direction.

When a vehicle is collided in the forward direction, the anti-collision energy dissipation end head bears the impact, then the impact force is transmitted to the energy absorption unit 500 and the corrugated plate 600, when the vehicle is collided in the lateral direction, the corrugated plate 600 bears the impact, and the impact force is transmitted to the energy absorption unit 500 of the energy absorption unit 500, the energy absorption unit 500 and the corrugated plate 600 both deform in the two processes, and the first supporting upright column 400 can slide on the guide rail 200, so that the better energy absorption buffering effect can be achieved by utilizing the step-by-step compression of the energy absorption unit 500, the orderly and effective release of the impact force of the impact can be ensured, the support force is provided for the lateral direction of the whole vehicle by utilizing the guide rail 200, the out-of-control vehicle is guided into the correct form direction, the protection grade of the guardrail can be improved, the vehicle can be guided, and accidents such as the guardrail penetrating into the vehicle body can be avoided.

Referring to fig. 4, in order to ensure the stability of the lower structure, the present embodiment improves the structure of the guide rail 200 in an adaptive manner, and the guide rail 200 is designed to be similar to an i-beam structure, specifically, the guide rail 200 of the present embodiment includes a horizontal guide plate 210, a support connection plate 220, and a horizontal support plate 230, which are connected in sequence from top to bottom; the plurality of first support columns 400 are slidably mounted on the horizontal guide plate 210; the horizontal support plates 230 are respectively fixedly connected with the tops of the embedded columns 100. In this embodiment, the guide rail 200 is designed into an i-steel structure, the horizontal guide plate 210 thereon can not only provide a sliding rail, but also play a good supporting role for the first supporting upright column 400, in addition, the supporting connection plate 220 of this embodiment can also perform certain matching guidance with the following sliding groove 410, thereby improving the sliding stability of the first supporting upright column 400, moreover, the horizontal support plate 230 of this embodiment is not only convenient for punching and is connected with the guide rail 200 below, but also can play a good supporting role for the supporting connection plate 220 and the horizontal guide plate 210.

In order to achieve a better guiding effect, the guide rail 200 of this embodiment further includes an inclined guide plate 240, the inclined guide plate 240 of this embodiment is located at an end of the guide rail 200 close to the end protection mechanism 300 and is respectively connected to one end of the horizontal guide plate 210, one end of the support connection plate 220, and one end of the horizontal support plate 230, and a plate surface direction of the inclined guide plate 240 forms an acute angle with the horizontal plane and is inclined towards the energy absorption unit 500.

The inclined guide plate 240 of the present embodiment can guide a vehicle when the vehicle is collided with, so that the vehicle can apply an impact force to the end guard mechanism 300, thereby achieving a buffering effect by deformation of the energy absorbing unit 500 and sliding of the first support pillar 400.

In addition, the guide rail 200 of the present embodiment further includes a plurality of reinforcing ribs 250 arranged at intervals along the length direction of the guide rail 200, the distance between adjacent reinforcing ribs 250 may not be constant, for example, the distance between the reinforcing ribs 250 may be appropriately reduced in the region below the first support pillar 400, and the reinforcing ribs 250 are respectively connected to the horizontal guide plate 210, the support connection plate 220, and the horizontal support plate 230. The plurality of reinforcement ribs 250 increase the structural strength of the rail 200 itself and the supporting strength of the upper structure thereof.

Referring to fig. 5, in the present embodiment, the sliding groove 410 is disposed at the bottom of the first support pillar 400, the sliding groove 410 has a structure with four side walls, and the bottom side wall has an opening, and the opening size is much smaller than the width of the horizontal guide plate 210 in the second horizontal direction, so that the sliding groove 410 can only slide onto the horizontal guide plate 210 from the first horizontal direction, the stability of the first support pillar 400 in the sliding process is improved, and the sliding fit between the sliding groove 410 and the horizontal guide plate 210 realizes the slidable movement of the first support pillar 400, which is simple in structure and easy to disassemble and assemble.

Referring to fig. 1 again, the end protection mechanism 300 of the present embodiment includes two second supporting columns 310, at least one horizontal supporting rod 320 and an impact plate 330, wherein the structure of the second supporting column 310 may be the same as or similar to that of the first supporting column 400, the second supporting column 310 of the present embodiment is slidably mounted on the guide rail 200, and the sliding structure and the sliding manner are the same as those of the first supporting column 400, which are not repeated herein; the horizontal support bars 320 of this embodiment are respectively connected to two support columns, the number of the horizontal support bars 320 may be two or more, and the striking plate 330 of this embodiment is mounted on the second support column 310 near the end of the guide rail 200.

When the end protection mechanism 300 is impacted, the impact plate 330 of the embodiment can be utilized to increase the contact area between the end protection mechanism 300 and the vehicle, so that the vehicle can apply the impact force to the impact plate 330, and further realize subsequent buffering and energy absorption, and in addition, the end protection mechanism 300 forms a frame type whole through the connection of the second supporting upright 310 and the horizontal supporting rod 320, so that the deformation of the end protection mechanism 300 is avoided, and the operation of buffering and energy absorption is realized by the energy absorption unit 500.

In addition, the structure of the striker plate 330 is further improved in this embodiment, the folded edges 331 are disposed on two opposite sides of the striker plate 330 along the second horizontal direction, the folded edges 331 extend in a direction away from the first support pillar 400, that is, the folded edges 331 face toward the outside vehicle, and the friction between the end protection mechanism 300 and the colliding vehicle is increased by the folded edges 331 facing toward the colliding vehicle, so that the vehicle collides correctly in the compression energy dissipation direction.

Referring to fig. 6, the energy absorption unit 500 of this embodiment includes a plurality of energy absorption cylinders 510 sequentially connected along a first horizontal direction, the upper and lower ends of the energy absorption cylinders 510 are open, and the horizontal cross-sectional shape of the energy absorption cylinders 510 is a polygon, and the polygon shape is a deformation weak point because there are more side walls and the connection between the side walls, so that the energy absorption unit 500 can absorb deformation energy after being impacted.

Optionally, the cross section of the energy-absorbing unit 500 of this embodiment is hexagonal, two opposite sidewalls of the energy-absorbing unit 500 with hexagonal cross section are used for connecting the adjacent energy-absorbing unit 500 or the first support pillar 400, and all sidewalls are obtuse angles between two pairs, so that when being impacted, the two adjacent sidewalls are easy to rotate relatively at the joint, and further the energy-absorbing unit 500 itself is convenient to deform to absorb the impact force, thereby achieving a better buffering effect.

Referring to fig. 7, the wave plate 600 of the present embodiment includes at least two wave crests 610, that is, the wave plate 600 has more than two wave crests 610 and more than one wave trough 620, and with this structure design, the multiple wave crests 610 can be compressed and buffered step by step when being impacted, so as to achieve a reliable buffering effect, protect the safety of the vehicle occupants, and have a simple structure, a low cost, and an easy implementation.

Referring to fig. 3 again, the energy dissipation anti-collision end head of the present embodiment further includes a plurality of connecting columns 700, the cross section of the connecting columns 700 is approximately "C", the connecting columns 700 are correspondingly installed on one side of the first supporting columns 400 facing the corrugated plate 600, the corrugated plate 600 is installed on the connecting columns 700, and the top surfaces of the connecting columns 700 are flush with the top surfaces of the corrugated plate 600. The corrugated plate 600 and the first support columns 400 are butted by using the connection columns 700 which are level with the height of the corrugated plate 600, so that the connection strength is ensured, and the compression stroke is ensured to be smooth.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An anti-collision energy dissipation end head, which is characterized by comprising:

the embedded columns (100) are embedded deeply into a road surface, and a plurality of embedded columns (100) are arranged at intervals along a first horizontal direction;

the guide rails (200) are installed at the tops of the embedded columns (100);

an end guard mechanism (300), the end guard mechanism (300) being slidably mounted at one of the opposite ends of the rail (200) in the first horizontal direction;

the first supporting upright columns (400) are arranged on the guide rail (200) at intervals and can slide on the guide rail (200) along the first horizontal direction;

the energy absorption units (500), one of the energy absorption units (500) is respectively connected with the adjacent end protection mechanism (300) and the first support upright (400), and the rest of the energy absorption units (500) are correspondingly connected between the adjacent first support uprights (400) one by one; and

the corrugated plate (600) is positioned on one of two opposite sides of the first supporting upright (400) in a second horizontal direction, and the end protection mechanism (300) is connected with the first supporting uprights (400) respectively, wherein the second horizontal direction is perpendicular to the first horizontal direction.

2. An anti-collision energy dissipation end head as claimed in claim 1, wherein the guide rail (200) comprises a horizontal guide plate (210), a support connecting plate (220) and a horizontal support plate (230) which are connected in sequence from top to bottom;

the first supporting upright columns (400) are all installed on the horizontal guide plate (210) in a sliding mode;

the horizontal supporting plates (230) are fixedly connected with the tops of the embedded columns (100) respectively.

3. An anti-collision energy dissipation head according to claim 2, characterized in that the guide rail (200) further comprises an inclined guide plate (240), and the inclined guide plate (240) is positioned at one end of the guide rail (200) close to the end protection mechanism (300) and is respectively connected with one end of the horizontal guide plate (210), one end of the support connecting plate (220) and one end of the horizontal support plate (230).

4. An anti-collision energy dissipation end head according to claim 2, characterized in that the guide rail (200) further comprises a plurality of reinforcing ribs (250) arranged at intervals along the length direction of the guide rail (200), and the reinforcing ribs (250) are respectively connected with the horizontal guide plate (210), the support connecting plate (220) and the horizontal support plate (230).

5. An anti-collision energy dissipation end head according to claim 2, characterized in that the bottom of the first support column (400) is provided with a sliding groove (410), and the sliding groove (410) is connected with the horizontal guide plate (210) in a sliding manner.

6. An anti-collision energy-dissipating head according to claim 1, wherein the end guard mechanism (300) comprises two second support columns (310), at least one horizontal support rod (320) and a collision-resisting plate (330);

the second supporting upright (310) is slidably mounted on the guide rail (200), and the horizontal supporting rods (320) are respectively connected with the two supporting uprights;

the striker plate (330) is mounted on the second support pillar (310) near the end of the rail (200).

7. An anti-collision energy dissipation end head according to claim 6, wherein the impact plate (330) is provided with folded edges (331) at two opposite sides along the second horizontal direction, and the folded edges (331) extend in a direction away from the first support column (400).

8. An anti-collision energy dissipation end head according to any one of claims 1 to 7, characterized in that the energy absorption unit (500) comprises a plurality of energy absorption cylinders (510) connected in sequence along the first horizontal direction, the upper and lower ends of the energy absorption cylinders (510) are open, and the horizontal cross-sectional shape of the energy absorption cylinders (510) is polygonal.

9. A collision energy dissipating head according to any one of claims 1 to 7, wherein the corrugated plate (600) comprises at least two wave crests (610).

10. An anti-collision energy dissipation end head according to any one of claims 1 to 7, characterized by further comprising a plurality of connecting columns (700), wherein the connecting columns (700) are arranged on one side of the first supporting column (400) facing the corrugated plate (600), the corrugated plate (600) is arranged on the connecting columns (700), and the top surfaces of the connecting columns (700) are flush with the top surfaces of the corrugated plate (600).

Images