CN210104637U

CN210104637U - Flexible collision type road anti-collision guardrail

Info

Publication number: CN210104637U
Application number: CN201920804515.5U
Authority: CN
Inventors: 张明亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-21
Anticipated expiration: 2029-05-30

Abstract

The utility model belongs to the technical field of road traffic engineering, in particular to a flexible collision type road anti-collision guardrail, which comprises a stand column and a interception plate, wherein the stand column comprises a soil burying section, a collision installation section, a roller sleeve and a limiting section, the soil burying section, the collision installation section and the limiting section are sequentially and fixedly connected from bottom to top, the roller sleeve is rotatably installed on the collision installation section, the roller sleeve is provided with a main convex column and two auxiliary convex columns in the axial direction perpendicular to the stand column, the two auxiliary convex columns are respectively arranged at two sides of the main convex column, the main convex column and the two auxiliary convex columns are uniformly distributed in the angle range of 45-150 degrees, the end part of the interception plate is provided with an installation hole matched with the main convex column and the auxiliary convex columns, the interception plate is fixedly connected with the main convex column and the auxiliary convex columns through rivets penetrating through the installation hole, the impact force can be effectively reduced, thereby achieving the effect of absorbing impact energy, effectively reduces the risk that the upright post is impacted to rush out of the ground, and improves the effective interception capability of the automobile.

Description

Flexible collision type road anti-collision guardrail

Technical Field

The utility model belongs to the technical field of road traffic engineering, in particular to flexible collision type road anticollision barrier.

Background

In order to avoid large traffic accidents caused by overspeed driving or faults, a guardrail or a central separation fence is arranged on the edge or the central separation line of a road, while the traditional guardrail fixes a longitudinal concave-convex iron plate on the ground by nailing on a support fence, which can bear slight impact, however, when a vehicle rapidly advances and impacts, the iron plate guardrail can not bear strong impact, is damaged by impact, causes the vehicle to overturn and roll out of the guardrail, even drops from a cliff, and causes serious accidents such as vehicle damage, human life and death and the like.

At present, anticollision barrier mainly adopts steel or reinforced concrete guardrail, and this is "hard" guardrail, and high-speed vehicle hits this kind of "hard" guardrail, though the majority can protect the vehicle not to rush out the guardrail in order to avoid falling into the river, falling the high frame, striking cable body etc. but general all can the car destroy even the casualties. The key point is that the high-speed object is a rigid body, and the energy is completely absorbed by the two impacted objects; occasionally, some anti-collision guardrails adopt steel wire meshes as guardrails, but the anti-collision force is insufficient, the deformation is very large, and the anti-collision guardrail is generally only used for simple guardrails and is not used for anti-collision guardrails of municipal works.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provide a flexible collision type road anticollision barrier, can effectively reduce the striking dynamics to reach the effect of absorbing the striking energy, effectively reduced the stand and suffered to hit the risk of dashing out ground, improved the effective interception ability to the car.

The utility model discloses a following technical scheme realizes:

the utility model provides a flexible collision type road anticollision barrier, includes stand and blocks the board, the stand is including burying soil section, collision installation section, roller shell and spacing section, bury soil section, collision installation section and spacing section and from up linking firmly in proper order down, the roller shell rotates and installs on the collision installation section, be equipped with a main projection and two vice projections on the axis direction of roller shell perpendicular to stand, two vice projections divide the both sides of locating main projection, main projection and two vice projections are at 45 ~ 150 angle within range evenly distributed, the tip of blocking the board be equipped with main projection and vice projection matched with mounting hole, block rivet and main projection and vice projection fixed connection of board through wearing to locate the mounting hole.

The utility model has the advantages that:

the utility model discloses a flexible collision type road anticollision barrier when in actual use, after the car collided the interception board, the roller shell that is located on two stands of interception board both sides rotated for form certain hysteresis effect between interception board and the stand, can effectively reduce the striking dynamics, thereby reach the effect of absorbing the striking energy, effectively reduced the stand and suffered to strike out the risk on ground, improved the effective interception ability to the car.

Drawings

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

Figure 1 is the utility model discloses a flexible collision type road anti-collision guardrail's schematic structure diagram.

Fig. 2 is a schematic view of an installation structure of the roll sleeve and the interception plate of the present invention.

Fig. 3 is a schematic view of another installation structure of the roll shell and the interception plate of the present invention.

In the figure, 1, a column; 11. burying a soil section; 12. a collision mounting section; 13. a roller sleeve; 131. a main convex column; 132. a secondary convex column; 14. a limiting section; 15. a ground grabbing section; 151. connecting columns; 152. grabbing ground nails; 2. a interception plate; 21. a flexible fence; 22. a steel cord; 3. a compression spring; 4. a flexible anti-collision ball.

Detailed Description

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

As shown in fig. 1 to 3, a flexible collision type road anti-collision guardrail comprises an upright post 1 and an interception plate 2, wherein the upright post 1 comprises a soil burying section 11, a collision mounting section 12, a roller sleeve 13 and a limiting section 14, the soil burying section 11, the collision mounting section 12 and the limiting section 14 are fixedly connected from bottom to top in sequence, the roller sleeve 13 is rotatably mounted on the collision mounting section 12, the roller sleeve 13 is provided with a main convex column 131 and two auxiliary convex columns 132 in a direction perpendicular to the axial direction of the upright post 1, the two auxiliary convex columns 132 are respectively arranged at two sides of the main convex column 131, the main convex column 131 and the two auxiliary convex columns 132 are uniformly distributed in an angle range of 45-150 degrees, the end of the interception plate 2 is provided with mounting holes matched with the main convex column 131 and the auxiliary convex columns 132, and the interception plate 2 is fixedly connected with the main convex column 131 and the auxiliary convex columns 132 through rivets penetrating through the mounting holes; the stand 1 is buried in earth or concrete subaerial, after the car collides the interception board 2, is located the roller shell 13 rotation on two stands 1 of interception board 2 both sides for form certain hysteresis effect between interception board 2 and the stand 1, can effectively reduce the striking dynamics, thereby reach the effect of absorbing the striking energy, effectively reduced the risk that stand 1 is strikeed and is dashed ground, improved the effective interception ability to the car.

As shown in fig. 2, in a preferred embodiment, the main protruding pillar 131 is sleeved with a compression spring 3; in another preferred embodiment, as shown in fig. 3, a flexible anti-collision ball 4 is sleeved on the main convex column 131, two ends of the flexible anti-collision ball 4 are respectively abutted with the roller sleeve 13 and the interception plate 2, the flexible anti-collision ball 4 is made of a flexible material or an elastic material, for example, the flexible anti-collision ball 4 can be made of a rubber material, and the compression spring 3 and the flexible anti-collision ball 4 both have the effects of absorbing energy and reducing collision strength; when the flexible anti-collision ball 4 is sleeved on the main convex column 131, as a preferable scheme, a plurality of slotted holes are formed in the thickness of the flexible anti-collision ball 4, the slotted holes are preferably in a cone-shaped structure, such as a pyramid-shaped structure, the small-diameter ends of the slotted holes are arranged towards the center of the flexible anti-collision ball 4, the thickness between any two slotted holes is not less than 1cm, the slotted holes improve the absorption capacity of the flexible anti-collision ball 4 to a certain extent, the impact strength is reduced, the material consumption can be reduced, and the purchase cost of raw materials is reduced.

As shown in fig. 1, in order to improve the connection strength between the upright post 1 and the soil or concrete and improve the fixing effect of the upright post 1 to further ensure that the vehicle cannot rush out of the intercepting range of the flexible collision type road anti-collision guardrail, in a preferred embodiment, a ground grabbing section 15 is fixedly arranged at the bottom of the soil burying section 11, the ground grabbing section 15 comprises a connecting post 151 and a plurality of L-shaped ground grabbing nails 152, one end of a long arm of each ground grabbing nail 152 is fixedly arranged at the bottom end of the connecting post 151, the other end of the long arm is connected with a short arm, and the short arm is arranged along the axial direction of the connecting post 151; in order to further improve the ground-gripping effect, as a preferable scheme, a plurality of ground-gripping nails 152 are distributed along the connecting column 151 in a circumferential array; further preferably, the short arm is disposed downward.

As shown in fig. 1, in this embodiment, the intercepting plate 2 includes a flexible fence 21 and a plurality of steel cables 22, the end of the flexible fence 21 is provided with a mounting hole, a plurality of through holes are formed in a portion between two of the mounting holes of the flexible fence 21, the through holes are arranged in a row, any one row of the through holes is inserted and matched with one of the steel cables 22, and the steel cable 22 conforms to the specification of the general carbon structural steel (GB700-88) about the mechanical performance of Q235; as a specific installation mode, a plurality of row holes for installing the steel cable 22 are arranged on the roller sleeve 13, and the row holes are arranged in a row along the axial direction of the upright post 1; in actual installation, the steel cable 22 can be directly fixedly installed on the row of holes; the steel cable 22 may also sequentially pass through a plurality of the columns 1 to connect the columns 1 in series into a whole for use, and both ends of the steel cable 22 may be respectively and fixedly connected with two columns 1 connected in series into an end of the whole, and the fixed connection may be in a riveting manner or the like.

The present invention is not limited to the above-mentioned examples, and various modifications and changes which can be made by those skilled in the art without creative efforts are protected by the present patent within the scope defined by the claims of the present invention.

Claims

1. The utility model provides a flexible collision type road anticollision barrier which characterized in that: including stand and interception board, the stand is including burying soil section, collision installation section, roller shell and spacing section, bury soil section, collision installation section and spacing section and from up linking firmly in proper order down, the roller shell rotates and installs on collision installation section, be equipped with a main projection and two vice projections on the axis direction of roller shell perpendicular to stand, the both sides of main projection are located to two vice projections branch, main projection and two vice projections evenly distributed at 45 ~ 150 angle within range, the tip of interception board is equipped with the mounting hole with main projection and vice projection matched with, interception board is through wearing to locate the rivet and main projection and vice projection fixed connection of mounting hole.

2. The flexible impact road crash barrier of claim 1 wherein: and a compression spring is sleeved on the main convex column.

3. The flexible impact road crash barrier of claim 1 wherein: the flexible anti-collision ball is sleeved on the main convex column, and two ends of the flexible anti-collision ball are respectively abutted to the roller sleeve and the interception plate.

4. The flexible impact road crash barrier of claim 3 wherein: the thickness of the flexible anti-collision ball is provided with a plurality of slotted holes, and the thickness between any two slotted holes is not less than 1 cm.

5. The flexible impact road crash barrier of claim 3 wherein: the flexible anti-collision ball is made of rubber materials.

6. The flexible impact road crash barrier of claim 1 wherein: bury the bottom of soil section and set firmly and grab the ground section, grab the ground section and include spliced pole and a plurality of L font grab ground nail, every grab the long arm one end and the fixed setting of ground nail in the bottom of spliced pole, the other end is connected with the forearm, the forearm sets up along the axis direction of spliced pole.

7. The flexible impact road crash barrier of claim 6 wherein: the plurality of ground grabbing nails are distributed along the connecting column in a circumferential array.

8. The flexible impact road crash barrier of claim 6 wherein: the short arm is arranged downwards.

9. The flexible impact road crash barrier of claim 1 wherein: the intercepting plate comprises a flexible fence plate and a plurality of steel cables, mounting holes are formed in the end portions of the flexible fence plate, a plurality of through holes and a plurality of through holes are formed in the portions, between the mounting holes, of the flexible fence plates, the through holes are arranged in a row, and the through holes are alternately matched with one of the steel cables in a penetrating mode.

10. The flexible crash barrier as recited in claim 9, wherein: the roller sleeve is provided with a plurality of row holes for installing steel cables, and the row holes are arranged in a row along the axis direction of the stand column.