CN112281718B

CN112281718B - TS-level steerable anti-collision pad

Info

Publication number: CN112281718B
Application number: CN202011288119.5A
Authority: CN
Inventors: 陈柯; 王铁军; 刘云友; 王新宇
Original assignee: HEILONGJIANG HIGHWAY SURVEY AND DESIGN INSTITUTE
Current assignee: HEILONGJIANG HIGHWAY SURVEY AND DESIGN INSTITUTE
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2023-08-15
Anticipated expiration: 2040-11-17
Also published as: CN112281718A

Abstract

The application relates to the technical field of guardrails, in particular to a TS-level steerable anti-collision pad, which comprises two opposite wavy plate groups and a plurality of supporting pieces connected between the two wavy plate groups, wherein one end of each wavy plate group is arranged on a road surface through a fixed structure, the other end of each wavy plate group is provided with an arc nose end, the bottom of each supporting piece is provided with a guide rail structure for guiding the supporting piece to move, the bottom of each supporting piece is provided with a see-saw plate structure, the supporting pieces are abutted against the road surface through the see-saw structures, and an energy dissipation structure is arranged between part or all of the supporting pieces and is used for buffering energy dissipation; when a vehicle impacts the nose, the guide rail structure guides the movement direction of the vehicle to prevent the vehicle from being out of control, and the supporting piece slides on the road surface through the rocker structure to reduce the stumbling resistance of the supporting piece on the vehicle; and the three-stage energy dissipation is formed among the supporting pieces which are not provided with the energy dissipation structure and the nose end and are provided with the energy dissipation structure, so that the injury of impact kinetic energy to passengers is effectively avoided.

Description

TS-level steerable anti-collision pad

Technical Field

The application relates to the technical field of guardrails, in particular to a TS-level steerable anti-collision pad.

Background

The anti-collision pad for the highway is applied to the initial end part of a central separation belt of a highway or a main line primary highway, the shunting end parts of a main line and a ramp and the like. And connecting the anti-collision pad with the triangular gradual change end part of the expressway, wherein the axis of the anti-collision pad is overlapped with the central line of the road route crossing angle at two sides. The function of the crash pad is to prevent the serious deformation of the vehicle during the collision, which causes casualties.

A guidable crash pad is disclosed in the prior art (patent publication number: CN 208803415), and specifically discloses a guidable crash pad comprising an outer energy absorbing barrel, at least one energy absorbing unit, a rail, an anchor frame, at least two support frames, and a plurality of connectors to secure the rail to the ground.

Although the steerable crash pad can play a certain role in buffering, it protects vehicles and members, but has the following problems: the energy dissipation function in the horizontal direction is realized by the outer energy absorption barrel, the vertical direction is realized by the opposite energy absorption beams and the supporting frame, the multistage energy dissipation of the impact energy cannot be realized in the horizontal direction, the multistage energy dissipation is realized only through the difference of the energy absorption beams in the vertical direction, the structure is fixed, the grading range is small, and the energy peak value change during the vehicle impact is small.

Disclosure of Invention

The present application is directed to a TS-grade steerable crash pad to solve the above-mentioned problems set forth in the background art.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a TS level steerable crash pad, includes two relative wave shaped plate group and connects a plurality of support piece between two wave shaped plate group, and the one end of wave shaped plate group is installed on the road surface through fixed knot constructs, and the other end is equipped with and is curved nose, the guide rail structure for support piece motion direction is installed to support piece's bottom, the seesaw structure is installed to support piece's bottom, support piece passes through seesaw structure butt road surface, works as when nose, wave shaped plate group are bumped the motion, support piece slides on the road surface through the seesaw structure, part or whole be equipped with the energy dissipation structure between the support piece, the energy dissipation structure is used for buffering energy dissipation.

As a further scheme of the application: the fixing structure comprises a base and a plurality of rib plates arranged on the base.

As still further aspects of the application: the guide rail structure comprises one or more guide rails and a sliding block arranged at the bottom of the supporting piece, and the sliding block is in sliding fit with the guide rails.

As still further aspects of the application: the energy dissipation structure comprises energy dissipation units and cylinders, two opposite energy dissipation units are arranged between adjacent supporting pieces, and a plurality of cylinders are arranged between partial supporting pieces close to one end of the fixing structure.

As still further aspects of the application: an energy dissipation unit is arranged between the nose end and the corrugated plate group, and a cylinder is arranged between the energy dissipation unit and the nose end.

As still further aspects of the application: the energy dissipation unit is omega-shaped.

As still further aspects of the application: and a grid is arranged between the corrugated plate group and the supporting piece.

As still further aspects of the application: and a buffer element is arranged at the joint between the grille and the corrugated plate group.

As still further aspects of the application: the corrugated plate group includes a plurality of corrugated plates connected in sequence, and each of the connected corrugated plates has a degree of freedom in a horizontal direction.

Compared with the prior art, the application has the beneficial effects that: when a vehicle impacts the nose, the guide rail structure guides the movement direction of the vehicle to prevent the vehicle from being out of control, and the supporting piece slides on the road surface through the rocker structure to reduce the stumbling resistance of the supporting piece on the vehicle; and the nose end, the corrugated plate and the supporting piece which are not provided with the energy dissipation structures and the corrugated plate and the supporting piece which are provided with the energy dissipation structures form three-level energy dissipation, so that the impact kinetic energy of the vehicle is reduced and counteracted, and the injury of the impact kinetic energy to passengers is effectively avoided.

Drawings

Fig. 1 is a schematic structural diagram of a TS-stage steerable crash pad in accordance with an embodiment of the application.

Fig. 2 is a schematic top view of a TS-stage steerable crash pad in accordance with an embodiment of the application.

Fig. 3 is a schematic front view of a TS-level steerable crash pad in accordance with an embodiment of the application.

Fig. 4 is a schematic side view of a TS-stage steerable crash pad in accordance with an embodiment of the application.

Fig. 5 is a schematic front view of a first tri-wave plate according to an embodiment of the present application.

Fig. 6 is a schematic side view of a first tri-wave plate in an embodiment of the present application.

Fig. 7 is a schematic front view of a second tri-wave plate according to an embodiment of the present application.

Fig. 8 is a schematic side view of a second tri-wave plate according to an embodiment of the present application.

Fig. 9 is a schematic structural view of a gasket according to an embodiment of the present application.

Fig. 10 is a schematic structural view of a rear fixing end in an embodiment of the present application.

Fig. 11 is a schematic front view of the rear fixing end in the embodiment of the application.

Fig. 12 is a schematic structural diagram of a first energy dissipating unit according to an embodiment of the present application.

Fig. 13 is a schematic front view of a first energy dissipating unit according to an embodiment of the present application.

Fig. 14 is a schematic view of the nose end according to an embodiment of the present application.

Fig. 15 is a schematic structural view of a frame according to an embodiment of the present application.

Fig. 16 is a schematic view of a rocker structure according to an embodiment of the present application.

Fig. 17 is a schematic structural view of a front fixing end in an embodiment of the present application.

Fig. 18 is a front view schematically illustrating a front fixing end in an embodiment of the application.

Fig. 19 is a schematic view of a structure of a guide rail according to an embodiment of the present application.

Fig. 20 is a schematic structural diagram of a second energy dissipating unit according to an embodiment of the present application.

Fig. 21 is a schematic front view of a cylinder according to an embodiment of the present application.

In the accompanying drawings: 1. nose, 2, front fixed end, 3, three wave board one, 4, frame, 5, guide rail, 6, three wave board two, 7, back fixed end, 8, drum, 9, energy dissipation unit one, 10, energy dissipation unit two, 11, connecting hole I,12, connecting hole II,13, gasket, 14, guide rail hole, 15, rib plate, 16, wane, 17, ground connection screw hole, 18, connecting seat, 19, fixing base, 20, pinhole.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present embodiments disclosed herein as detailed in the accompanying claims.

Referring to fig. 1-4, in an embodiment of the present application, a TS-level steerable crash pad includes two opposite wave-shaped plate groups and a plurality of supporting members connected between the two wave-shaped plate groups, one end of each wave-shaped plate group is installed on a road surface through a fixing structure, the other end of each wave-shaped plate group is provided with an arc nose end, a guide rail structure for guiding movement of the supporting member is installed at the bottom of each supporting member, a see-saw plate structure is installed at the bottom of each supporting member, each supporting member is abutted to the road surface through a see-saw plate structure, when the nose end 1 and the wave-shaped plate group are bumped, each supporting member slides on the road surface through the see-saw plate structure, and an energy dissipation structure is arranged between part or all of the supporting members and is used for buffering energy dissipation.

Specifically, a TS-level guidable anti-collision pad is connected with the triangular gradual change end part of the expressway, and the axis of the anti-collision pad is overlapped with the central line of the intersection angle of the road routes at two sides; the nose consists of a 4mm thick steel plate and a circular tube, the total number of the anti-collision cushion is 6, the installation height is 850mm, the installation width is 950mm, and the installation total length is 5825mm; as shown in fig. 15, the support member is a frame 4 formed by splicing profiles, and a guide rail hole 14 matched with a guide rail is arranged at the bottom of the frame;

when a vehicle impacts the nose end 1, the guide rail structure guides the movement direction of the vehicle, namely, guides the vehicle to safely slow down and simultaneously guides the vehicle to a safe area, so that the vehicle is prevented from being out of control; in the moving process, the supporting piece slides on the road surface through the rocker structure, as shown in fig. 16, the rocker structure is formed by folding steel plates to form rockers 16 with two tilted ends, and the rockers 16 are welded at the bottom of the supporting piece, so that friction between the supporting piece and the road surface can be reduced, and the phenomenon of stumbling of the supporting piece on a vehicle in the collision process can be reduced; and the nose end, the corrugated plate and the supporting piece which are not provided with the energy dissipation structures, and the corrugated plate and the supporting piece which are provided with the energy dissipation structures form three-level energy dissipation, so that the impact kinetic energy of the vehicle is reduced and counteracted in a step manner, and the injury of the impact kinetic energy to passengers is effectively avoided while the energy dissipation is continuous through the deformation of the energy dissipation structures.

In addition, part of the structure is produced and assembled by adopting cold-resistant materials, so that the road can be suitable for roads in high latitude, low altitude and season frozen areas, and convenience is brought to the durability and maintenance of products.

Referring to fig. 1-3, in another embodiment of the present application, the rail structure includes a plurality of rails 5 and a slider mounted on the bottom of the support, the slider slidably engaging the rails.

In particular, as shown in fig. 10-11, the securing structure includes a base and a plurality of ribs 15 mounted in an aligned arrangement on the base. The base is provided with a ground connection threaded hole 17, the base is installed at the triangle gradual change position of the expressway through a bolt and the ground connection threaded hole 17 to form a rear fixed end 7, a steel plate is welded at the side end part of the rib plate 15, a guide rail hole for connecting the guide rail 5 is formed in the middle lower part of the steel plate, the guide rail 5 sequentially penetrates through the guide rail hole 14 formed in the bottom of the supporting piece to extend away from the rear fixed end 7 and is fixed through the front fixed end 2, as shown in fig. 9-10 and 17-19, one end of the guide rail 5 is provided with a pin hole 20, the other end of the guide rail 5 is provided with a fixed seat 19, the fixed seat 19 is abutted to the rear fixed end 7, and the pin hole 20 is connected with a connecting seat 18 formed in the front fixed end 2 and is fixed through a bolt or a bolt.

In some applications, the number of guide rails by which the movement of the support is guided may also be one; or the number of the guide rails can be three, the movement of the support piece is guided by the three guide rails, and the number of the guide rails is set according to actual requirements.

Referring to fig. 1-3, in another embodiment of the present application, the energy dissipating structure includes an energy dissipating unit and a cylinder 8, two opposite energy dissipating units are disposed between adjacent supporting members, and a plurality of the cylinders 8 are installed between a portion of the supporting members near one end of the fixed structure.

Specifically, as shown in fig. 20-21, the energy dissipation units are omega-shaped, the energy dissipation units arranged between the adjacent supporting pieces are second energy dissipation units 10 made of 5mm thick steel plates, the second energy dissipation units 10 are oppositely arranged, space utilization can be maximized, when the corrugated plate group and the supporting pieces are collided by vehicles, the collision of the vehicles is effectively relieved by compressing the second energy dissipation units 10, the effect of buffering and dissipating the energy is achieved, and meanwhile, the vehicles are guided to safely slow down and simultaneously guided to a safe area by sliding forwards along the guide rails. And, the cylinder 8 between the partial supports near one end of the fixed structure also has the function of buffering and dissipating energy.

Further, as shown in fig. 12-14, the nose end 1 is made of an arc-shaped plate, the arc-shaped plate is connected with a connecting hole I of a corrugated plate one 3 in the corrugated plate group, an energy dissipation unit is installed between the arc-shaped plate and the corrugated plate group, and a cylinder is installed between the energy dissipation unit and the nose end. The energy dissipation unit between the nose end and the corrugated plate group is used as an energy dissipation unit I9, two rows of through holes are formed in the energy dissipation unit I9, and two cylinders 8 are installed on the through holes through bolts and fixed.

In another embodiment of the present application, the energy dissipating structure includes an energy dissipating unit and a cylinder, two opposite energy dissipating units are disposed between adjacent supporting members, and a plurality of cylinders are installed between the supporting members.

Specifically, the specifications of two opposite energy dissipation units in each group are different, the radian of one energy dissipation unit is larger than that of the other energy dissipation unit, and the energy dissipation units with different specifications are arranged to realize the diversified arrangement of buffering energy dissipation.

In another embodiment of the present application, the corrugated plate group includes a plurality of corrugated plates connected in sequence, the corrugated plates of the corrugated plate group connected with the arcuate plates are three-corrugated plates one 3, as shown in fig. 5-6, the three-corrugated plates one 3 are provided with connecting holes I11 connected with the arcuate plates and connecting holes II12 connected with other corrugated plates; as shown in fig. 7-8, the other corrugated plates are used as a second three-wave plate 6, and the second three-wave plate 6 is provided with connecting holes II12 connected with each other; the second three-wave plate 6 is sequentially connected with the screw through a connecting hole II12;

referring to fig. 1, in another embodiment of the present application, a grid is installed between the corrugated plate set and the supporting member.

As shown in fig. 9, a buffer element is arranged at the connection between the grille and the corrugated plate set, and the buffer element comprises a gasket 13, and the gasket is installed on the buffer element. And a certain elastic supporting effect is achieved between the grille and the corrugated plate group. When the corrugated plate is stressed, the stressed force is transferred to the frame, and the force is transferred to the corrugated plate on the other side through the frame.

Further, each of the connected corrugated plates has a degree of freedom in the horizontal direction.

Specifically, the connecting hole II12 at one end of the second tri-wave plate 6 is expanded into a key slot, so that each second tri-wave plate 6 has a certain distance to move, the degree of freedom in the horizontal direction is maintained, the rigid acting force of the nose and the second tri-wave plate 6 is reduced, and the effect of buffering and releasing kinetic energy is achieved to a certain extent.

The working principle of the application is as follows: when the vehicle impacts the nose, the guide rail structure guides the movement direction of the vehicle, namely, guides the vehicle to safely slow down and simultaneously guides the vehicle to a safe area, so that the vehicle is prevented from being out of control; in the moving process, the supporting piece slides on the road surface through the rocker structure, the rocker structure is formed by folding steel plates to form rockers with two ends tilted, and the rockers are welded at the bottom of the supporting piece, so that friction between the supporting piece and the road surface can be reduced, and the phenomenon of stumbling of the supporting piece on a vehicle in the collision process is reduced; and the nose end, the corrugated plate and the supporting piece which are not provided with the energy dissipation structures, and the corrugated plate and the supporting piece which are provided with the energy dissipation structures form three-level energy dissipation, so that the impact kinetic energy of the vehicle is reduced and counteracted in a step manner, and the injury of the impact kinetic energy to passengers is effectively avoided while the energy dissipation is continuous through the deformation of the energy dissipation structures.

Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The TS-level guidable anti-collision pad comprises two opposite wavy plate groups and a plurality of supporting pieces connected between the two wavy plate groups, wherein one end of each wavy plate group is installed on a road surface through a fixed structure, the other end of each wavy plate group is provided with an arc-shaped nose end, and the bottom of each supporting piece is provided with a guide rail structure for guiding the movement of each supporting piece;

the energy dissipation structure comprises energy dissipation units and cylinders, two opposite energy dissipation units are arranged between adjacent supporting pieces, and a plurality of cylinders are arranged between partial supporting pieces close to one end of the fixed structure; an energy dissipation unit is arranged between the nose end and the corrugated plate group, a cylinder is arranged between the energy dissipation unit and the nose end, and the energy dissipation unit is omega-shaped.

2. The TS grade steerable crash pad of claim 1 wherein the securing structure comprises a base and a plurality of ribs mounted in an array on the base.

3. The TS grade steerable crash pad of claim 1 wherein the rail structure comprises one or more rails and a slider mounted to the bottom of the support member, the slider being in sliding engagement with the rails.

4. The TS grade steerable crash pad of claim 1 wherein a grille is mounted between the set of corrugated plates and the support.

5. The TS grade steerable crash pad of claim 4 wherein a cushioning element is provided at the junction between the grille and the set of corrugated plates.

6. The TS grade steerable crash pad of any of claims 1-5 wherein the set of corrugated plates comprises a plurality of corrugated plates connected in sequence.