CN211815808U

CN211815808U - Novel highway guardrail energy-absorbing box device

Info

Publication number: CN211815808U
Application number: CN201921832340.5U
Authority: CN
Inventors: 尚民旺; 朱凯
Original assignee: Bazhou Yitesi Hardware Products Co ltd
Current assignee: Bazhou Yitesi Hardware Products Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-10-30
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a novel highway guardrail energy-absorbing box device, comprises a box bod, the inside of box body is provided with first buffer board, the inside wall sliding connection of first buffer board and box body, the top of first buffer board is close to the equal fixedly connected with telescopic link in position at both ends, the one end fixedly connected with stripper plate of first buffer board is kept away from to the telescopic link, the bottom of stripper plate is close to the first link block of the equal fixedly connected with in position of both sides, the surface of first link block rotates and is connected with first connecting rod. The utility model discloses in, can realize hierarchical when taking place the proruption incident, absorb the energy that the collision produced in layers, factor of safety is higher, has certain guard action to the human body, has improved the security performance of guardrail greatly, has also played certain guard action to highway guardrail itself, and simple structure can have certain practicality.

Description

Novel highway guardrail energy-absorbing box device

Technical Field

The utility model belongs to the technical field of protective apparatus, especially, relate to a novel highway guardrail energy-absorbing box-packed putting.

Background

The highway crash barrier is the most important traffic infrastructure, and the highway in China is developed from the 80 th generation, and plays an important role in influencing the development of national economy and society. Is an important maintenance and safety guarantee facility for the expressway. The road guardrail net is the most common one in the series products of guardrail nets, is formed by weaving and welding domestic high-quality low-carbon steel wires and aluminum-magnesium alloy wires, and has the characteristics of flexible assembly, firmness and durability. The permanent guardrail net wall can be manufactured to be used, and can also be used as a temporary separation net, the permanent guardrail net wall can be realized only by adopting different upright post fixing modes in use, and the highway guardrails are widely used on a plurality of domestic highways.

The conventional road guardrail basically has no energy absorption box, can play a certain protection role when a small traffic accident occurs, is not so effective when a large traffic accident occurs, and even can threaten the life safety of passengers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel highway guardrail energy-absorbing box device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel highway guardrail energy-absorbing box device comprises a box body, wherein a first buffer plate is arranged inside the box body and is in sliding connection with the inner side wall of the box body, telescopic rods are fixedly connected at positions, close to two ends, of the top of the first buffer plate, one end, far away from the first buffer plate, of each telescopic rod is fixedly connected with an extrusion plate, first connecting blocks are fixedly connected at positions, close to two sides, of the bottom of each extrusion plate, the outer surface of each first connecting block is rotatably connected with a first connecting rod, a first energy-absorbing box is fixedly installed at the top of each first buffer plate, one end, far away from the first connecting blocks, of each first connecting rod penetrates through the side wall of the corresponding first energy-absorbing box and extends into the corresponding first energy-absorbing box and is fixedly connected with a second piston, two baffle plates are fixedly connected to the inner side wall of the corresponding first energy-absorbing box, the second piston is in sliding connection with the side wall of each baffle plate, the utility model discloses a box body, including first baffle plate, second baffle plate, dead lever, lateral wall, first connecting block, second baffle plate, the inside wall sliding connection of second baffle plate and box body, the below of second baffle plate is provided with the second energy-absorbing case, the bottom fixedly connected with dead lever of second baffle plate, the lateral wall that the dead lever runs through the second energy-absorbing case extends to its inside and fixedly connected with second connecting block, the surface of second connecting block rotates and is connected with two second connecting rods, the one end that the second connecting block was kept away from to the second connecting rod rotates and is connected with the third connecting block, the first piston of lateral wall fixedly connected with of third connecting block, the inside wall sliding connection of.

As a further description of the above technical solution:

the both sides of first buffer board and second buffer board all have the arch, the inside wall of box body is seted up and is had the spout corresponding with the arch

As a further description of the above technical solution:

the lateral wall fixedly connected with of first energy-absorbing case and the corresponding rubber buffer of third connecting rod, the third connecting rod runs through the rubber buffer and rather than sliding connection, the top fixedly connected with of second energy-absorbing case and the corresponding rubber buffer of dead lever, the dead lever runs through the rubber buffer and rather than sliding connection.

As a further description of the above technical solution:

a plurality of first damping springs are arranged between the first buffer plate and the second buffer plate, and two second damping springs are arranged between the second buffer plate and the top of the second energy absorption box.

As a further description of the above technical solution:

the outer surface cover of telescopic link is equipped with third damping spring, third damping spring's both ends respectively with the bottom of stripper plate and the top fixed connection of first buffer board, two the relative one side of second piston is provided with fourth damping spring.

As a further description of the above technical solution:

the baffle, the first piston, the second piston and the second buffer plate are all provided with openings.

The utility model discloses following beneficial effect has:

1. this novel highway guardrail energy-absorbing box-packed putting when using, through stripper plate, telescopic link, third damping spring, fourth damping spring, first connecting block, first energy-absorbing case, first connecting rod, second piston, the first buffer board that sets up, can realize first heavy energy-absorbing when taking place the proruption incident, has certain guard action to the human body.

2. This novel highway guardrail energy-absorbing box device, through second buffer board, second damping spring, second energy-absorbing case, dead lever, second connecting block, the first piston that sets up, can be further with the unabsorbed energy continuation absorption in top, improved the security performance of guardrail greatly, also played certain guard action to highway guardrail itself.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B of fig. 2 according to the present invention.

Illustration of the drawings:

1. a box body; 2. a pressing plate; 3. a telescopic rod; 4. a first link; 5. a first connection block; 6. a first energy absorption tank; 7. a first buffer plate; 8. a first damping spring; 9. a second link; 10. a second buffer plate; 11. A second damping spring; 12. fixing the rod; 13. a third damping spring; 14. a first piston; 15. a second energy-absorbing box; 16. a second connecting block; 17. a baffle plate; 18. a third connecting block; 19. a third link; 20. a second piston; 21. and a fourth damping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a novel highway guardrail energy-absorbing box device comprises a box body 1, wherein a first buffer plate 7 is arranged inside the box body 1, the first buffer plate 7 is in sliding connection with the inner side wall of the box body 1, telescopic rods 3 are fixedly connected at positions, close to two ends, of the top of the first buffer plate 7, one ends, far away from the first buffer plate 7, of the telescopic rods 3 are fixedly connected with extrusion plates 2, first connecting blocks 5 are fixedly connected at positions, close to two sides, of the bottom of the extrusion plates 2, first connecting rods 4 are rotatably connected to the outer surfaces of the first connecting blocks 5, a first energy-absorbing box 6 is fixedly installed at the top of the first buffer plate 7, one ends, far away from the first connecting blocks 5, of the first connecting rods 4 penetrate through the side wall of the first energy-absorbing box 6 to extend into the interior of the first energy-absorbing box and are fixedly connected with second pistons 20, two baffle plates 17 are fixedly connected to the inner side wall of the, the below of first buffer board 7 is provided with second buffer board 10, the inside wall sliding connection of second buffer board 10 and box body 1, the below of second buffer board 10 is provided with second energy-absorbing case 15, the bottom fixedly connected with dead lever 12 of second buffer board 10, dead lever 12 runs through the lateral wall of second energy-absorbing case 15 and extends to its inside and fixedly connected with second connecting block 16, the surface of second connecting block 16 rotates and is connected with two second connecting rods 9, the one end rotation that second connecting block 16 was kept away from to second connecting rod 9 is connected with third connecting block 18, the first piston 14 of lateral wall fixedly connected with of third connecting block 18, the inside wall sliding connection of first piston 14 and second energy-absorbing case 15.

The two sides of the first buffer plate 7 and the second buffer plate 10 are both provided with bulges, the inner side wall of the box body 1 is provided with a sliding groove corresponding to the bulges, and certain guiding effect is realized on the movement of the first buffer plate 7 and the second buffer plate 10 when extrusion occurs; the side wall of the first energy absorption box 6 is fixedly connected with a rubber plug corresponding to the third connecting rod 19, the third connecting rod 19 penetrates through the rubber plug and is in sliding connection with the rubber plug, the top of the second energy absorption box 15 is fixedly connected with a rubber plug corresponding to the fixing rod 12, and the fixing rod 12 penetrates through the rubber plug and is in sliding connection with the rubber plug, so that the sealing performance of the first energy absorption box 6 and the second energy absorption box 15 is guaranteed; a plurality of first damping springs 8 are arranged between the first buffer plate 7 and the second buffer plate 10, and two second damping springs 11 are arranged between the second buffer plate 10 and the top of the second energy absorption box 15, so that a certain buffering effect is achieved; a third damping spring 13 is sleeved on the outer surface of the telescopic rod 3, two ends of the third damping spring 13 are fixedly connected with the bottom of the extrusion plate 2 and the top of the first buffer plate 7 respectively, and a fourth damping spring 21 is arranged on one side opposite to the two second pistons 20 and can play a certain protection role; openings are formed in the baffle 17, the first piston 14, the second piston 20 and the second buffer plate 10, so that liquid flow energy absorption can be achieved when extrusion occurs.

The working principle is as follows: when the novel highway guardrail energy absorption box device is used, when an emergent event occurs, when the extrusion plate 2 is extruded, the expansion rod 3 fixed at the bottom of the extrusion plate and the third damping spring 13 sleeved on the outer surface of the expansion rod play a role of first re-buffering, the first energy absorption box 6 arranged below the expansion rod plays a role of matching and rotating connection with the first connecting rod 4 and the second piston 20 to realize second re-absorption, when the collision is violent, the generated energy is too late to be absorbed or is not absorbed in a safety range, the energy can be transmitted downwards through the first buffer plate 7, the first damping spring 8 and the second buffer plate 10, when the second buffer plate 10 moves downwards, the fixed rod 12 moves downwards, the two second connecting rods 9 rotationally connected with the second connecting block 16 can push the first piston 14 to move towards opposite directions, and the rest energy can be absorbed through matching with an opening arranged inside the first piston 14, simple structure can be hierarchical, and the energy that the collision produced of layering absorbs, and factor of safety is higher, has certain practicality.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel highway guardrail energy-absorbing box device, includes box body (1), its characterized in that: the box comprises a box body (1), wherein a first buffer plate (7) is arranged in the box body (1), the first buffer plate (7) is connected with the inner side wall of the box body (1) in a sliding manner, telescopic rods (3) are fixedly connected at positions, close to two ends, of the top of the first buffer plate (7), one end, far away from the first buffer plate (7), of each telescopic rod (3) is fixedly connected with an extrusion plate (2), first connecting blocks (5) are fixedly connected at positions, close to two sides, of the bottom of each extrusion plate (2), the outer surfaces of the first connecting blocks (5) are rotatably connected with first connecting rods (4), a first energy absorption box (6) is fixedly installed at the top of the first buffer plate (7), one end, far away from the first connecting blocks (5), of each first connecting rod (4) penetrates through the side wall of the first energy absorption box (6) to extend to the inner side of the first energy absorption box and is fixedly connected with second pistons (20), and two baffle plates (17), the second piston (20) is connected with the side wall of the baffle (17) in a sliding way, a second buffer plate (10) is arranged below the first buffer plate (7), the second buffer plate (10) is connected with the inner side wall of the box body (1) in a sliding way, a second energy absorption box (15) is arranged below the second buffer plate (10), the bottom of the second buffer plate (10) is fixedly connected with a fixed rod (12), the fixed rod (12) penetrates through the side wall of the second energy absorption box (15) to extend to the interior of the second energy absorption box and is fixedly connected with a second connecting block (16), the outer surface of the second connecting block (16) is rotationally connected with two second connecting rods (9), one end of the second connecting rod (9) far away from the second connecting block (16) is rotatably connected with a third connecting block (18), the side wall of the third connecting block (18) is fixedly connected with a first piston (14), the first piston (14) is connected with the inner side wall of the second energy absorption box (15) in a sliding mode.

2. The novel energy absorption box device for the road guardrail as claimed in claim 1, wherein: the both sides of first buffer board (7) and second buffer board (10) all have the arch, the spout corresponding with the arch has been seted up to the inside wall of box body (1).

3. The novel energy absorption box device for the road guardrail as claimed in claim 1, wherein: first lateral wall fixedly connected with of energy-absorbing case (6) and the corresponding rubber buffer of third connecting rod (19), third connecting rod (19) run through the rubber buffer and rather than sliding connection, the top fixedly connected with of second energy-absorbing case (15) and the corresponding rubber buffer of dead lever (12), dead lever (12) run through the rubber buffer and rather than sliding connection.

4. The novel energy absorption box device for the road guardrail as claimed in claim 1, wherein: a plurality of first damping springs (8) are arranged between the first buffer plate (7) and the second buffer plate (10), and two second damping springs (11) are arranged between the second buffer plate (10) and the top of the second energy absorption box (15).

5. The novel energy absorption box device for the road guardrail as claimed in claim 1, wherein: the surface cover of telescopic link (3) is equipped with third damping spring (13), the both ends of third damping spring (13) respectively with the bottom of stripper plate (2) and the top fixed connection of first buffer board (7), two the relative one side of second piston (20) is provided with fourth damping spring (21).

6. The novel energy absorption box device for the road guardrail as claimed in claim 1, wherein: the inner parts of the baffle plate (17), the first piston (14), the second piston (20) and the second buffer plate (10) are all provided with openings.