CN210395187U

CN210395187U - Anti-collision guardrail

Info

Publication number: CN210395187U
Application number: CN201920741263.6U
Authority: CN
Inventors: 鞠拓; 吴鼎新; 夏晶晶; 蒋慧雨; 曹佳逸
Original assignee: Huaiyin Institute of Technology
Current assignee: Huaiyin Institute of Technology
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-04-24
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an anti-collision guardrail, which comprises a ground foot, a vertical column, a rotary barrel and a cable rope; the upright post is fixedly connected to the ground leg, and the upper end and the lower end of the upright post are respectively provided with at least two through holes; the cable respectively passes through the through holes on the upper part and the lower part of the upright post, and two ends of the cable are detachably and fixedly connected to the two upright posts on the outermost side; the cross section of the rotary barrel is polygonal, and the rotary barrel is rotatably connected to the outer wall of the upright post; the anchor is provided with a connecting hole and is fixedly connected to the road surface through a fastener, and the joint of the stand column and the anchor is of a concave arc structure. The utility model discloses an anticollision barrier, when vehicle and guardrail collided, the impact can be earlier absorbed by the cable of atress deformation, and secondly rotatory kinetic energy is changed the impact to rotatory bucket, and the cable takes place the interact power reduction between elastic deformation and the vehicle, and in addition the effect of rotatory bucket unloading, the injury greatly reduced that the vehicle received.

Description

Anti-collision guardrail

Technical Field

The utility model relates to a road safety equipment technical field especially relates to an anticollision barrier.

Background

Highways, especially expressways, have established their importance in national economy due to their high speed, high efficiency, safety, comfort, etc. The development of the automobile industry and the construction of high-grade roads create necessary carrying tools and infrastructure for realizing rapid and convenient traffic, improve the life quality of people, and even greatly change the life style of people. However, with the development of automobiles and road construction, people have to face increasingly serious environmental and road traffic safety problems. Road traffic accidents will become the sixth largest "killer", a significant "fatal disease" for humans worldwide leading to direct deaths. It seriously affects the living environment and the safety of people's life and property, and traffic accidents bring disastrous consequences to countless families.

The highway anti-collision guardrail is an important traffic infrastructure and is also an important maintenance and safety guarantee facility for the highway. At present, the guardrail used on the highway is mainly of a continuous structure formed by welding upright posts and flat steel, and the traditional guardrail has the biggest defect that the traditional guardrail does not have the function of buffering impact force, namely, the shock absorption and energy absorption effects are poor, so that the guardrail and a vehicle can be damaged, and the life safety of personnel in the vehicle can be threatened.

Therefore, there is a need for a new crash barrier that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticollision barrier, the shock attenuation energy-absorbing is effectual to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-collision guardrail comprises ground feet, upright posts, a rotary barrel and a cable; the upright post is fixedly connected to the ground leg, and the upper end and the lower end of the upright post are respectively provided with at least two through holes; the cable respectively passes through the through holes on the upper part and the lower part of the upright post, and two ends of the cable are detachably and fixedly connected to the two upright posts on the outermost side; the cross section of the rotary barrel is polygonal, and the rotary barrel is rotatably connected to the outer wall of the upright post.

The utility model discloses a further improvement is, be equipped with the connecting hole on the lower margin, and the lower margin passes through fastener fixed connection in the road surface, and the junction of stand and lower margin is concave arc type structure.

The utility model discloses a further improvement is, the stand is the cylinder structure, the fixed dog of fixedly connected with on the outer wall of stand bottom, the bottom of rotatory bucket and the last surface contact of fixed dog are equipped with the external screw thread on the stand of rotatory bucket top, and lock nut a fixed connection is in stand external screw thread department, and leaves the clearance between lock nut a's lower surface and the top of rotatory bucket.

The utility model discloses a further improvement is, rotatory bucket adopts the aluminum alloy material, and rotatory bucket is equipped with the centre bore through the middle part, and the upper and lower both ends of centre bore are equipped with the ladder groove, and the bearing inlays and locates in the ladder groove, and rotatory bucket passes through the bearing and rotates to be connected in the stand.

The utility model discloses a further improvement is, the outside of rotatory bucket is hollow bucket chamber, and the cross section in bucket chamber uses the centre bore to be equipped with six regular hexagons of equipartition as the center, and a limit of regular hexagon aligns with an limit of adjacent regular hexagon, and six regular hexagon's the outside summit is located same circle.

The utility model discloses a further improvement scheme is, the top in bucket chamber is equipped with the sprue, and the bucket intracavity portion is equipped with the filler.

The utility model discloses a further improvement scheme is, the filler is concrete or grout material.

The utility model has the further improvement that the two ends of the cable are fixedly connected with the joints, and the two outer end faces of the joints are fixedly connected with the screw rods; the screw rods are inserted into the through holes of the two stand columns on the outermost side and fixedly connected into the through holes through the locking nuts b.

The utility model discloses a further improvement scheme is, the external diameter size that connects is less than the internal diameter size of through-hole.

The utility model discloses a further improvement scheme is, the both sides fixedly connected with reflector lamp at stand top.

The utility model has the advantages that:

one, the utility model discloses an anticollision barrier, when vehicle and guardrail collided, the impact can be earlier absorbed by the cable of atress deformation, and secondly rotatory kinetic energy is changed the impact to rotatory bucket, and the cable takes place the interact power reduction between elastic deformation and the vehicle, and in addition the effect of rotatory bucket unloading, the injury greatly reduced that the vehicle received.

Two, the utility model discloses an anticollision barrier, the polygon staving stable in structure that a plurality of hexagons are constituteed, and easy emergence stress concentration in angle point department, especially every hexagonal left and right sides angle point position internal force is great, and the impact force absorbing effect is better atress and deformability all better when the vehicle striking, can also practice thrift the concrete material quantity in addition.

Thirdly, the utility model discloses an anticollision barrier, the junction of stand and lower margin is concave arc type structure, can guarantee the intensity of being connected between stand and the lower margin like this, prevents to split between stand and the lower margin.

Fourth, the utility model discloses an anticollision barrier, rotatory bucket pass through the bearing and rotate to be connected in the stand, can guarantee like this that rotatory bucket can the free rotation, and energy-absorbing performance is more superior.

Fifthly, the utility model discloses an anticollision barrier adopts the components of a whole that can function independently structure, and the dismouting is simple, and when the guardrail was strikeed, only need maintain or change impaired part can to the cost of use has been reduced.

Sixth, the utility model discloses an anticollision barrier, rotatory bucket adopt the aluminum alloy material, and its anticorrosion is effectual, can prolong the life of rotatory bucket.

Seventhly, the utility model discloses an anticollision barrier, the both ends detachable fixed connection of cable is convenient for the dismouting change or maintain on the guardrail.

Eighthly, the utility model discloses an anticollision barrier, the both sides fixedly connected with reflector lamp at stand top can play fine indicative function.

Drawings

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

Fig. 2 is a top view of the rotary tub of the present invention.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

In the figure: 1-anchor, 2-upright, 3-rotary barrel, 4-cable, 5-stop, 6-locking nut a, 7-central hole, 8-step groove, 9-bearing, 10-barrel cavity, 11-filler, 12-joint, 13-screw, 14-locking nut b, 15-reflector lamp and 16-filling port.

Detailed Description

The present invention will be further clarified by the following detailed description, which is to be understood as being given only for the purpose of illustration and not for the purpose of limiting the scope of the invention, and modifications of various equivalent forms of the invention which are obvious to those skilled in the art after reading the present invention, all falling within the scope of the appended claims.

Example 1: as shown in fig. 1-3, an anti-collision guardrail comprises ground feet 1, a vertical column 2, a rotary barrel 3 and a cable 4; the upright post 2 is welded on the ground foot 1, and the upper end and the lower end of the upright post 2 are respectively provided with at least two through holes; the cable 4 respectively passes through the through holes on the upper part and the lower part of the upright post 2; in this embodiment, two cables 4 are provided at the upper and lower parts; two ends of the cable 4 are detachably and fixedly connected to the two upright posts 2 at the outermost side; the cross section of the rotary barrel 3 is polygonal, and the rotary barrel 3 is rotatably connected to the outer wall of the upright post 2.

Be equipped with the connecting hole on the lower margin 1, and lower margin 1 passes through inflation screw fixed connection in the road surface, and the junction of stand 2 and lower margin 1 is concave arc type structure.

Stand 2 is the cylinder structure, and the welding has fixed dog 5 on the outer wall of stand 2 bottom, and the bottom of rotatory bucket 3 and the upper surface contact of fixed dog 5 are equipped with the external screw thread on the stand 2 of rotatory bucket 3 top, and lock nut a6 spiro union is in stand 2 external screw thread department, and leaves the clearance between the lower surface of lock nut a6 and the top of rotatory bucket 3.

Rotatory bucket 3 is equipped with centre bore 7 through the middle part, and the upper and lower both ends of centre bore 7 are equipped with ladder groove 8, and bearing 9 inlays and locates in ladder groove 8, and rotatory bucket 3 rotates through bearing 9 to be connected in stand 2.

The outer side of the rotary barrel 3 is a hollow barrel cavity 10, six uniformly distributed regular hexagons are arranged on the cross section of the barrel cavity 10 by taking the central hole 7 as the center, one side of each regular hexagon is aligned with one side of an adjacent regular hexagon, and the outermost vertexes of the six regular hexagons are positioned on the same circle; in this embodiment, the rotating drum 3 is made of aluminum alloy, and the surface thereof is painted with white baking varnish or coated with yellow reflective paint.

The top of the barrel cavity 10 is provided with a filling port 16, and the interior of the barrel cavity 10 is provided with a filler 11; the filler 11 is concrete or grouting material; in this embodiment, the filler 11 is concrete.

Two ends of the cable 4 are pressed with connectors 12, and two outer end faces of the connectors 12 are welded with screws 13; the screw rods 13 are inserted into the through holes of the two outermost upright posts 2, and the screw rods 13 are fixedly connected into the through holes through locking nuts b 14; in the present embodiment, a hot-dip galvanized a-type cable 4 is used as the cable 4.

The outer diameter of the connector 12 is smaller than the inner diameter of the through hole, so that the connector 12 can freely pass through the through hole.

And the two sides of the top of the upright post 2 are fixedly connected with reflector lamps 15 through bolts.

The specific working principle of the embodiment is as follows: when the device is installed, the ground feet 1 are positioned on the road surface, then the rotary barrel 3 is sleeved on the upright post 2 and knocked downwards by using a leather hammer until the rotary barrel 3 is contacted with the stop block 5; the locking nut a6 is screwed on the external thread of the upright post 2, thereby playing a role of limiting; the joint 12 at one end of the cable 4 is passed through each through hole, and finally two screws 13 are positioned in the through holes of the two outermost uprights 2, and tightened and adjusted to the optimum tightness by means of the lock nut b 14; after the installation is completed, concrete can be sequentially injected into the barrel cavity 10 through the injection port 16.

When the vehicle collides with the guardrail, the impact force can be absorbed by the cable 4 of atress deformation earlier, and secondly rotatory barrel 3 changes the rotatory kinetic energy of impact force, and the interaction reduces between cable 4 emergence elastic deformation and the vehicle, and in addition the effect of rotatory barrel 3 discharge forces, the injury greatly reduced that the vehicle received.

Claims

1. The utility model provides a crash barrier which characterized in that: comprises ground feet (1), a vertical column (2), a rotary barrel (3) and a cable (4); the upright post (2) is fixedly connected to the ground foot (1), and the upper end and the lower end of the upright post (2) are respectively provided with at least two through holes; the cable (4) respectively penetrates through the through holes at the upper part and the lower part of the upright posts (2), and two ends of the cable (4) are detachably and fixedly connected to the two upright posts (2) at the outermost side; the cross section of the rotary barrel (3) is polygonal, and the rotary barrel (3) is rotatably connected to the outer wall of the upright post (2).

2. A crash barrier according to claim 1, wherein: be equipped with the connecting hole on lower margin (1), and lower margin (1) passes through fastener fixed connection in the road surface, and the junction of stand (2) and lower margin (1) is the concave arc type structure.

3. A crash barrier according to claim 1, wherein: the utility model discloses a rotary drum, including stand (2), fixed dog (5) of fixedly connected with on the outer wall of stand (2) bottom, the upper surface contact of the bottom of rotatory bucket (3) and fixed dog (5), be equipped with the external screw thread on stand (2) of rotatory bucket (3) top, lock nut a (6) fixed connection is in stand (2) external screw thread department, and leaves the clearance between the lower surface of lock nut a (6) and the top of rotatory bucket (3).

4. A crash barrier according to claim 3, wherein: rotatory bucket (3) adopt the aluminum alloy material, and rotatory bucket (3) are equipped with centre bore (7) through the middle part, and the upper and lower both ends of centre bore (7) are equipped with ladder groove (8), and during bearing (9) inlayed and locate ladder groove (8), rotatory bucket (3) rotate through bearing (9) and connect in stand (2).

5. A crash barrier according to claim 4, wherein: the outer side of the rotary barrel (3) is a hollow barrel cavity (10), six uniformly distributed regular hexagons are arranged on the cross section of the barrel cavity (10) by taking the central hole (7) as the center, one side of each regular hexagon is aligned with one side of the adjacent regular hexagon, and the outermost vertexes of the six regular hexagons are located on the same circle.

6. A crash barrier according to claim 5, wherein: the top of barrel chamber (10) is equipped with sprue (16), and barrel chamber (10) inside is equipped with filler (11).

7. A crash barrier according to claim 6, wherein: the filler (11) is concrete or grouting material.

8. A crash barrier according to claim 1, wherein: two ends of the cable (4) are fixedly connected with connectors (12), and two outer end faces of the connectors (12) are fixedly connected with screws (13); the screw rods (13) are inserted into the through holes of the two columns (2) at the outermost side, and the screw rods (13) are fixedly connected into the through holes through locking nuts b (14).

9. A crash barrier according to claim 8, wherein: the outer diameter of the joint (12) is smaller than the inner diameter of the through hole.

10. A crash barrier according to any one of claims 2-9, wherein: and the two sides of the top of the upright post (2) are fixedly connected with reflector lamps (15).