CN218990015U

CN218990015U - Novel road guardrail

Info

Publication number: CN218990015U
Application number: CN202223571033.0U
Authority: CN
Inventors: 杨强; 江坦坦; 赵耿; 李花磊; 张哲�
Original assignee: Shandong Jinqu Design Consulting Group Co ltd
Current assignee: Shandong Jinqu Design Consulting Group Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-09
Anticipated expiration: 2032-12-28

Abstract

The application discloses novel road guardrail, slope section through setting up different slopes at the last flange stand, slope section has good climbing energy dissipation effect, and connect the crossbeam in adjacent slope section's handing-over department through supporting component, the vehicle is out of control if contact collision to the crossbeam when one side strikes the last flange stand, be directed by the crossbeam, warp buffering absorption most collision energy, if the locomotive directly strikes the guardrail, warp the energy-absorbing by the crossbeam, carry out climbing energy dissipation at the contact slope section, thereby reduce the probability that the vehicle striking overturns the guardrail, make the guardrail have sufficient buffer capacity, lower flange stand lower extreme sets up in the concrete surface course and extends to the stratum, go up flange stand connection flange stand down, make the anticollision performance of guardrail increase, make the guardrail have sufficient anticollision level.

Description

Novel road guardrail

Technical Field

The application belongs to the anticollision barrier field, especially relates to a novel road guardrail.

Background

The guardrail is taken as an basic safety facility on the expressway, plays an active and important role in promoting traffic safety, and the anti-collision mechanism of the guardrail is to change the running environment of a collision automobile to control accident conditions, and the guardrail and the automobile are elastically and plastically deformed, rubbed and the automobile body is shifted to absorb the self-damage (deformation) of the automobile so as to prevent more serious injury accidents, prevent the automobile from rushing out of the road and reduce the consequences of the accidents as far as possible.

At present, the highway accidents related to guardrails in the highway safety accidents of China account for about one third, and more than 30% of the highway accidents are caused by vehicles crossing the highway guardrails. The road section is very easy to freeze in winter, the road surface is easy to slip as soon as the tires are frozen, the driver is easy to generate traffic accidents if concentrating no energy or driving fatigue, the road on a plurality of road sections bends and curves, the road is slippery, the vehicle runs away and directly bumps onto the guardrail, the vehicle is on a downhill road section after the vehicle is flushed out or bumps off the guardrail on the road section adopting high-roadbed design, the vehicle speed is obviously increased due to the influence of gravity, the road guardrail is a safety barrier for life, and based on the current situation, the road guardrail is further improved by referring to the highway traffic safety design rule (JTG/D81-2017) and the highway guardrail safety performance evaluation standard (JTG B05-01-2013), the road guardrail is attractive in research form, good in landscape effect, high in anti-collision grade and good in guidance performance, and can block the vehicle and reduce the probability of the vehicle to climb over the guardrail.

Disclosure of Invention

The present utility model provides a new roadway barrier to address at least one of the above-mentioned problems. Through setting up the domatic section of different slopes at last flange stand, domatic section has good climbing energy dissipation effect, and connect the crossbeam in the junction of adjacent domatic section through supporting component, the vehicle is out of control if contact collision to the crossbeam when one side strikes last flange stand, be directed by the crossbeam, it absorbs most collision energy to warp buffering, if the locomotive directly strikes the guardrail, it is energy-absorbing to warp by the crossbeam, carry out climbing energy dissipation at the contact domatic section, thereby reduce the probability that the vehicle striking overturns the guardrail, make the guardrail have sufficient buffer capacity, lower flange stand lower extreme sets up in the concrete surface course and extends to the stratum, go up flange stand connection lower flange stand, make the anticollision performance of guardrail increase, make the guardrail have sufficient anticollision level.

To achieve the above object, the present utility model provides a novel road guardrail comprising: the upper flange stand column, the crossbeam and the lower flange stand column, the upper flange stand column is bent towards the impact face to form a slope section with different slopes, the crossbeam is connected to the junction of adjacent slope sections through the supporting component, the lower end of the lower flange stand column is arranged in the concrete surface layer and extends to the stratum, and the upper flange stand column and the lower flange stand column are detachably connected.

The slope sections with different slopes are arranged on the upper flange upright posts, the slope sections have good climbing energy dissipation effect, the cross beams are connected to the junction of the adjacent slope sections through the supporting components, if one side of each cross beam is in out-of-control collision with the cross beam when the cross beam collides with the upper flange upright posts, the cross beams conduct guiding, deformation buffering and absorbing of most of collision energy, if the front ends directly collide with the guardrails, the cross beams firstly contact with deformation absorbing capacity, then contact with the slope sections to perform climbing energy dissipation, so that the probability of the vehicle striking over the guardrails is reduced, the guardrails have enough buffering capacity, the lower ends of the lower flange upright posts are arranged in the concrete surface layer and extend to the stratum, the upper flange upright posts are connected with the lower flange upright posts, the collision energy is absorbed through deformation of the cross beams, the flange upright posts and the soil foundation, the collision resistance of the guardrails is increased, the guardrails have enough collision resistance grades, and the damaged parts are easy to replace by the detachable connection mode.

In a preferred implementation manner, the upper flange upright is divided into three sections from bottom to top, and the slope of the slope section gradually increases.

The gradient gradually increases, further strengthens the effect of climbing energy dissipation, makes the uncontrolled vehicle that has the guardrail trend of crossing can reduce kinetic energy when lifting or climbing to reduce the trend of continuing the lifting, resume normal condition.

In a preferred embodiment, the upper flange upright faces away from the impact surface to form a curved surface.

The arc-shaped surface has larger bending strength, so that the upper flange upright post is not easy to be impacted and deformed into a plane which is favorable for the out-of-control vehicle to rush out, thereby reducing the probability of the vehicle to climb over the guardrail.

In a preferred implementation mode, an upper flange plate is arranged at the bottom end of the upper flange upright post, a lower flange plate is arranged at the upper end of the lower flange upright post, and the upper flange plate and the lower flange plate are connected through bolts. The detachable connection mode enables the damaged upper flange upright post to be replaced easily.

In a preferred implementation, the upper flange plate is provided with an upper stiffening rib, which is arranged on the side of the upper flange upright column facing away from the collision.

The strength and the rigidity of the guardrail are improved, the local stability of the upper flange upright post is ensured, and the stability of the upper flange upright post is improved.

In a preferred implementation, the lower flange plate is provided with lower stiffeners, which are provided in plurality around the lower flange upright.

The foundation area of the lower flange upright post and the concrete surface layer is increased, so that the lower flange upright post is firmer and not easy to pull out, the stability of the bottom of the guardrail is increased, and the anti-collision performance is improved.

In a preferred implementation mode, the cross beam is a hollow round steel pipe, an installation part is arranged at the joint of the slope sections and is arc-shaped, the installation part is provided with an installation hole, the cross beam is provided with a slotted hole, the support component is a splicing bolt, and the splicing bolt penetrates through the installation hole and the slotted hole to connect the cross beam and the upper flange stand column.

The round steel pipe has good visual guiding effect and landscape effect, and the out-of-control vehicle can smoothly transition after colliding with the round steel pipe, and the out-of-control vehicle can return to the normal running direction with smaller running angle and smaller rebound quantity.

In a preferred implementation, the splicing bolts are connected with the mounting holes and the slotted holes in an inclined mode, so that the contact surface of the cross beam and the vehicle is kept smooth.

The collision contact surface of the crossbeam and the out-of-control vehicle is always kept smooth due to the inclined installation of the round steel pipe, the out-of-control vehicle gradually runs along the round steel pipe in the speed reduction process, the round steel pipe can not contact with the bulges such as the bolts and the like, secondary damage is received, and the design is more reasonable.

In a preferred implementation manner, two side surfaces of the upper flange upright post are provided with horizontal ribs and hollow inside, and the horizontal ribs support the mounting part.

The horizontal rib supports the installation department, increases the holding surface of crossbeam, shares the atress of crossbeam, and can reduce the weight of flange stand, and the design is more reasonable.

In a preferred implementation, the top end of the upper flange upright is provided with the cross beam.

The landscape effect of the guardrail is better by matching with the cross beam at the bottom of the upper flange upright post.

The structure has the following beneficial effects:

1. through setting up the domatic section of different slopes at last flange stand, domatic section has good climbing energy dissipation effect, and pass through supporting component with the crossbeam and connect the junction at adjacent domatic section, the vehicle is out of control if contact collision to the crossbeam when its one side strikes last flange stand, the crossbeam is directed, warp buffering absorption most collision energy, contact earlier and warp absorbing capacity when the locomotive directly strikes the guardrail, contact domatic section again and carry out climbing energy dissipation, thereby reduce the probability that the vehicle striking overturns the guardrail, make the guardrail have sufficient buffer capacity, can reach SB level guardrail standard.

2. The arc surface is formed by the back of the upper flange upright post facing the collision surface, and has larger bending strength, so that the upper flange upright post is not easy to be impacted and deformed into a plane which is beneficial to the out-of-control vehicle to punch out, thereby reducing the probability of the vehicle to cross the guardrail.

3. The upper flange plate is provided with the upper stiffening ribs, the stability of the upper flange upright post is improved, the lower flange plate is provided with the lower stiffening ribs, so that the lower flange upright post is firmer and not easy to be impacted and pulled out, the stability of the bottom of the guardrail is improved, and the anti-collision performance is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the present application and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of an exemplary embodiment of the present utility model;

FIG. 2 is a schematic structural view of an exemplary embodiment of an upper flange post of the present utility model;

FIG. 3 is a schematic diagram of an assembled configuration of an exemplary embodiment of the present utility model;

description of the reference numerals:

1. an upper flange upright post; 10. a slope section; 11. a mounting part; 110. a mounting hole; 12. radian surface; 13. an upper flange plate; 14. an upper stiffening rib; 15. horizontal ribs;

2. a cross beam; 20. a support assembly; 21. a slot hole;

3. a lower flange upright post; 30. a lower flange plate; 31. lower stiffeners.

Detailed Description

In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that a direct connection indicates that two bodies connected together do not form a connection relationship by an excessive structure, but are connected to form a whole by a connection structure. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The description as it relates to "first", "second", etc. in the present utility model is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

As shown in fig. 1-3, the present utility model provides a novel roadway barrier comprising: the upper flange upright 1, the cross beam 2 and the lower flange upright 3 are bent towards an impact face to form slope sections 10 with different slopes, the cross beam 2 is connected to the junction of the adjacent slope sections 10 through a support assembly 20, the lower end of the lower flange upright 3 is arranged in a concrete surface layer and extends to a stratum, and the upper flange upright 1 and the lower flange upright 3 are detachably connected.

The slope sections 10 with different slopes are arranged on the upper flange upright posts 1, the slope sections 10 have good climbing energy dissipation effect, the cross beams 2 are connected to the junction of the adjacent slope sections 10 through the supporting components 20, if one side of a vehicle is out of control and collides with the cross beams 2 when colliding with the upper flange upright posts 1, the cross beams 2 conduct guiding and deformation buffering and absorb most of collision energy, if the vehicle head directly collides with the guardrail, the cross beams 2 firstly contact with the deformation absorbing capacity and then contact with the slope sections 10 to perform climbing energy dissipation, so that the probability of the vehicle striking over the guardrail is reduced, the guardrail has enough buffering capacity, the lower ends of the lower flange upright posts 3 are arranged in a concrete surface layer and extend to a stratum, the upper flange upright posts 1 are connected with the lower flange upright posts 3, the collision energy is absorbed through deformation of the cross beams 2, the flange upright posts and a soil foundation, the anti-collision performance of the guardrail is increased, the guardrail has enough anti-collision grade, and the damaged part is easy to replace in a detachable connection mode.

As a preferred embodiment of the present application, the upper flange upright 1 is divided into three slope sections 10 from bottom to top, and the slope of the slope sections 10 gradually increases.

As a preferred embodiment of the present application, the upper flange upright 1 faces away from the impact surface to form a curved surface 12.

The arc-shaped surface has larger bending strength, and the arc-shaped surface bends towards the direction of the collision face, so that the upper flange upright post 1 is not easy to be impacted and deformed into a plane which is favorable for the out-of-control vehicle to rush out, thereby reducing the probability of the vehicle to cross the guardrail.

As a preferred embodiment of the present application, the bottom end of the upper flange upright 1 is provided with an upper flange plate 13, and the upper end of the lower flange upright 3 is provided with a lower flange plate 30, and the upper flange plate 13 and the lower flange plate 30 are connected by bolts. The detachable connection mode makes the damaged upper flange upright 1 easy to replace.

As a preferred example in this embodiment, the upper flange plate 13 is provided with upper stiffening ribs 14, the upper stiffening ribs 14 being provided on the side of the upper flange column 1 facing away from the impact.

The strength and the rigidity of the guardrail are improved, the local stability of the upper flange upright post 1 is ensured, and the stability of the upper flange upright post 1 is improved.

As another preferred example of the present embodiment, the lower flange plate 30 is provided with lower stiffeners 31, and the lower stiffeners 31 are provided in plurality around the lower flange column 3.

The foundation area of the lower flange upright post 3 and the concrete surface layer is increased, so that the lower flange upright post 3 is firmer and not easy to pull out, the bottom stability of the guardrail is increased, the anti-collision performance is improved, and the upper stiffening rib and the lower stiffening rib of the upper flange upright post and the lower flange upright post are simultaneously provided with further anti-collision performance.

As a preferred embodiment under this embodiment, the cross beam 2 is a hollow circular steel tube, the junction of the slope surface section 10 is provided with an installation part 11, the installation part 11 is provided with an installation hole 110, the cross beam 2 is provided with a slotted hole 21, the support component 20 is a splicing bolt, and the splicing bolt passes through the installation hole 110 and the slotted hole 21 to connect the cross beam 2 and the upper flange upright 1.

As a preferred example in the present embodiment, the splice bolts are connected to the mounting holes 110 and the slots 21 in an inclined manner so that the contact surface between the cross member 2 and the vehicle is kept smooth.

The collision contact surface of the cross beam 2 and the out-of-control vehicle is always kept smooth due to the inclined installation of the round steel pipe, the out-of-control vehicle gradually runs along the round steel pipe in the speed reduction process, the round steel pipe can not contact with the bulges such as the bolts and the like, secondary damage is caused, and the design is more reasonable.

As a preferred example in the present embodiment, the upper flange column 1 is provided with horizontal ribs 155 on both side surfaces thereof and hollow inside, and the horizontal ribs 15 support the mounting portion 11.

The horizontal rib 15 supports the installation department 11, increases the holding surface of crossbeam 2, shares the atress of crossbeam 2, and the inside cavity of upper flange stand can reduce the weight of upper flange stand 1, reduces the steel consumption, practices thrift the cost, and the design is more reasonable.

As a preferred embodiment of the present application, the top end of the upper flange upright 1 is provided with a cross beam 2.

0 cooperate with the bottom cross beam 2 of the upper flange upright 1, so that the landscape effect of the guardrail is better.

The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

5 the foregoing description is only exemplary of the utility model and is not intended to limit the utility model. For the following

Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. A novel roadway barrier, comprising: the upper flange stand column, the crossbeam and the lower flange stand column, the upper flange stand column is bent towards the impact face to form a slope section with different slopes, the crossbeam is connected to the junction of adjacent slope sections through the supporting component, the lower end of the lower flange stand column is arranged in the concrete surface layer and extends to the stratum, and the upper flange stand column and the lower flange stand column are detachably connected.

2. The novel roadway barrier of claim 1, wherein said upper flange upright is divided into three said sloping surface sections from bottom to top, said sloping surface sections having progressively increasing slope.

3. The novel roadway barrier of claim 1, wherein said upper flange post faces away from the impact surface to form a curved surface.

4. The novel road guardrail according to claim 1, wherein the bottom end of the upper flange upright is provided with an upper flange plate, the upper end of the lower flange upright is provided with a lower flange plate, and the upper flange plate and the lower flange plate are connected through bolts.

5. The novel roadway barrier of claim 4, wherein said upper flange plate is provided with upper stiffening ribs disposed on a back-to-back face of said upper flange post.

6. The novel roadway barrier of claim 4, wherein said lower flange plate is provided with lower stiffening ribs, said lower stiffening ribs being provided in plurality around said lower flange posts.

7. The novel road guardrail according to claim 1, wherein the cross beam is a hollow round steel pipe, an installation part is arranged at the joint of the slope sections, the section of the installation part is arc-shaped, the installation part is provided with an installation hole, the cross beam is provided with a slotted hole, the support component is a splicing bolt, and the splicing bolt penetrates through the installation hole and the slotted hole to connect the cross beam and the upper flange upright.

8. The novel roadway barrier of claim 7, wherein said split bolt is angled to connect said mounting hole and said slot to maintain smooth contact between said cross beam and the vehicle.

9. The novel roadway barrier of claim 7, wherein the upper flange upright is hollow and has horizontal ribs on both sides thereof, the horizontal ribs supporting the mounting portion.

10. The novel roadway barrier of claim 1, wherein said cross member is provided at the top end of said upper flanged upright post.