CN210262854U

CN210262854U - Flexible guardrail of crashproof energy dissipation

Info

Publication number: CN210262854U
Application number: CN201920826989.XU
Authority: CN
Inventors: 张保林; 张建伟; 张建成; 管建越
Original assignee: Jiangsu Xinrui Traffic Construction Group Co ltd
Current assignee: Jiangsu Xinrui Traffic Construction Group Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-07
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a flexible guardrail with anti-collision and energy dissipation, which comprises an end post, a reinforcing post welded at one end of the end post, a flexible rope and a fixed end rod, wherein the reinforcing post and the end post are triangular; spacing upright posts are arranged in the middle of the flexible rope at intervals of fixed distance; every interval stand inboard is equipped with two fore-and-aft installation wings, is equipped with the mounting hole on the installation wing, and adjacent interval stand support is equipped with the rectangle buffering bag, and the both sides of buffering bag are equipped with the mounting panel, are equipped with the mounting hole on the mounting panel, and the mounting panel passes through the fastener with the installation wing on the interval stand to be connected, and the buffering bag is located the one end of flexible rope towards the road, is equipped with the packing material in the buffering bag. The utility model discloses can show the ability that improves the gentle impact of anticollision of whole guardrail and hit the power, overcome traditional rope guardrail and block the defect that increases the rescue difficulty with the vehicle easily to it is convenient to be under construction, and the life cycle is long, and required material is easy, and the low price is compared in steel and concrete material more green, and the benefit is showing.

Description

Flexible guardrail of crashproof energy dissipation

Technical Field

The utility model belongs to the technical field of highway guardrail, concretely relates to flexible guardrail of crashproof energy dissipation.

Background

Compared with the traditional guard plate type rigid guard bar, the flexible guard bar is also called a rope guard bar, so that a better buffer effect can be achieved after a vehicle impacts the flexible guard bar, and casualties of the vehicle and personnel are reduced; however, the rigid guardrail has the advantage that the vehicle can smoothly transit to return to the normal driving direction after the vehicle slightly collides with the guardrail, and the flexible guardrail does not have the function. After the vehicle collides with the flexible guardrail, the vehicle body is easily clamped in the rope, so that inconvenience is brought to rescue work of the vehicle and personnel.

SUMMERY OF THE UTILITY MODEL

The purpose of the invention is as follows: not enough to prior art exists, the utility model aims at providing a simple structure, it is convenient to be under construction, low cost's flexible guardrail.

The technical scheme is as follows: in order to achieve the above purpose, the technical solution adopted by the present invention is as follows:

a flexible guardrail with anti-collision and energy dissipation functions comprises an end post, a reinforcing post welded at one end of the end post, flexible ropes and a fixed end rod, wherein the reinforcing post and the end post are triangular; the end post and the reinforcing post are provided with through holes, one end of the fixed end rod passes through the through holes and is fixed on the outer side of the end post through a fixing piece, and the other end of the fixed end rod is connected with the flexible rope through a connecting piece; spacing upright posts are arranged in the middle of the flexible rope at intervals of fixed distance; every interval stand inboard is equipped with two fore-and-aft installation wings, is equipped with the mounting hole on the installation wing, is equipped with the rectangle buffering bag between the adjacent interval stand, and the both sides of buffering bag are equipped with the mounting panel, are equipped with the mounting hole on the mounting panel, and the mounting panel passes through the fastener with the installation wing on the interval stand to be connected, and the buffering bag is located the one end of flexible rope towards the road, is equipped with the filling material in the buffering bag.

Preferably, the distance between the adjacent spaced columns is 1-2 meters.

Preferably, the filler material is bentonite, plastic granules or a mixture of bentonite and sand.

Preferably, the buffer bag is a gunny bag, a geotextile bag or a polytetrafluoroethylene bag.

Preferably, the lower parts of the end columns, the reinforcing columns and the spacing columns are embedded in concrete, or the lower ends of the end columns, the reinforcing columns and the spacing columns are provided with connecting devices which are connected with the connecting devices of the corresponding embedded parts.

Preferably, the outer side of the spacing upright post is provided with a short base plate and a fixing fastener, the short base plate is welded or is installed on the outer side of the spacing upright post through the fastener, the fixing fastener is welded on the short base plate, and the flexible rope penetrates through the fixing fastener and is installed on the spacing upright post.

Preferably, the back of the buffer bag is provided with a vertical support plate, the support plate is provided with a hook or a tying belt, and the hook or the tying belt is fixed on a flexible rope on the back of the buffer bag.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the buffer bag is arranged on the basis of the original rope guardrail, so that on one hand, the anti-collision capacity of the guardrail can be increased, the impact force of an automobile is well dispersed by soft fillers of the buffer bag, and the damage to an automobile body is less;

on the other hand, due to the blocking of the buffer bag, the vehicle cannot be clamped in the flexible rope, the rescue difficulty of the vehicle which is collided with the vehicle is reduced, the rescue time is saved, the traffic blocking time caused by accidents is reduced, and the transportation efficiency of the road is improved;

and the buffer bag is filled with the filler to form a three-dimensional barrier plate, so that when a vehicle slightly impacts the guardrail, the vehicle can be smoothly transited to return to the normal running direction, and the buffer bag has the same function as the rigid guardrail.

The buffer bag and the filler in the buffer bag are easy to obtain, the price is low, the buffer bag is more environment-friendly than steel and concrete materials, the construction is convenient, the service cycle is long, the maintenance is convenient, the buffer bag is suitable for being applied to the construction of guardrails on roads, expressways and bridges in various terrains and environments, the buffer bag is worthy of being popularized and applied, and the social benefit is good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a structural schematic diagram of the inward and outward two-side expansion of the spacing upright post.

Detailed Description

The invention will be further elucidated with reference to the drawing.

As shown in fig. 1 and 2, the flexible guardrail for collision avoidance and energy dissipation comprises an end post 1, a reinforcing post 2 welded at one end of the end post 1, a flexible rope 3 and a fixed end rod 4, wherein the reinforcing post 2 and the end post 1 are triangular; the end post 1 and the reinforcing post 2 are provided with through holes 5, one end of a fixed end rod 4 passes through the through holes 5 and is fixed on the outer side of the end post 1 through a fixing piece 6, and the other end of the fixed end rod is connected with the flexible rope 3 through a connecting piece 7; the middle of the flexible rope 3 is provided with a spacing upright post 8 at a fixed distance; every 8 inboards in interval are equipped with two fore-and-aft installation wings 9, are equipped with the mounting hole on the installation wing 9, and adjacent 8 supports in interval are equipped with rectangle buffering bag 11, and the both sides of buffering bag 11 are equipped with mounting panel 12, are equipped with the mounting hole on mounting panel 12, and mounting panel 12 passes through the fastener with the installation wing 9 on the interval stand 8 to be connected, and buffering bag 11 is located the one end of flexible rope 3 towards the road, is equipped with the filling material in the buffering bag 11.

The filling material can be selected from bentonite, recycled plastic particles or a mixture of bentonite and sand, and the like, and has the characteristics of easy acquisition and low price, and compared with solidified concrete and steel plates, the filling material has low hardness and strong buffering capacity. The buffer bag 11 is made of hemp bags, geotextile bags, polytetrafluoroethylene bags and the like with good elasticity and corrosion resistance, and has the characteristics of low price, good corrosion resistance and strong tear resistance, the buffer bag 11 is filled with buffer materials and arranged on one side of the flexible rope 3 close to a road, so that the buffer bag can play a role in collision prevention and energy dissipation, when an automobile collides with the flexible guardrail, the buffer bag 11 and fillers in the buffer bag can play a role in buffering in advance, the impact force of the automobile can be well dispersed by the flexible texture of the fillers, the damage to the automobile body is less, in addition, the buffer bag 11 is blocked, the automobile cannot be clamped in the flexible rope 3, the rescue difficulty is reduced, the rescue time is saved, the blocking time caused by accidents to the traffic is reduced, and the transportation efficiency of the road is improved; furthermore, the cushion bag 11 is filled with filler to form a three-dimensional barrier plate, so that when a vehicle slightly collides with the guardrail, the vehicle can smoothly return to the normal running direction, and the function of the guardrail is the same as that of a rigid guardrail.

When the end post 1, the reinforcing post 2 and the spacing upright post 8 are installed, the lower parts of the end post 1, the reinforcing post 2 and the spacing upright post 8 are embedded into concrete, or the structure that the lower ends of the end post 1, the reinforcing post 2 and the spacing upright post 8 are provided with connecting devices can correspond to an embedded part arranged in the road repairing construction process, the connecting devices of the ends of the embedded part exposed out of the ground correspond to the connecting devices at the lower ends of the upright posts for stable connection, and the installation of the guardrail after the road construction is finished and the maintenance of the guardrail after the guardrail.

8 outsides of interval stand are equipped with short base plate 14, fixed buckle spare 13 is constituteed, and short base plate 14 welds or installs in the outside of interval stand 8 through the fastener, and fixed buckle spare 13 welds on short base plate 14, and flexible rope 3 passes fixed buckle spare 13 and installs on interval stand 8, and interval stand 8 plays the supporting role to flexible rope 3, the utility model provides an interval stand 8 still regards as the bearing structure of cushion bag 11, so the distance between the adjacent interval stand 8 should not be too big, preferably between 1-2 meters, and cushion bag 11's bottom can strengthen holistic bearing capacity with ground contact.

In order to increase the supporting force of the buffer bag 11, a vertical supporting plate 15 is arranged on the back of the buffer bag 11, a hook or a tying belt 16 is arranged on the supporting plate 15, and the hook or the tying belt 16 is fixed on the flexible rope 3 on the back of the buffer bag 11 to strengthen the supporting effect on the buffer bag 11.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a flexible guardrail of crashproof energy dissipation which characterized in that: the reinforcing device comprises an end post (1), a reinforcing post (2) welded at one end of the end post (1), a flexible rope (3) and a fixed end rod (4), wherein the reinforcing post (2) and the end post (1) are triangular; the end post (1) and the reinforcing post (2) are provided with through holes (5), one end of the fixed end rod (4) penetrates through the through holes (5) and is fixed on the outer side of the end post (1) through a fixing piece (6), and the other end of the fixed end rod is connected with the flexible rope (3) through a connecting piece (7); spacing upright posts (8) are arranged in the middle of the flexible rope (3) at fixed intervals; every interval stand (8) inboard is equipped with two fore-and-aft installation wings (9), be equipped with the mounting hole on installation wing (9), be equipped with rectangle buffer bag (11) between adjacent interval stand (8), the both sides of buffer bag (11) are equipped with mounting panel (12), be equipped with the mounting hole on mounting panel (12), mounting panel (12) are connected through the fastener with installation wing (9) on interval stand (8), buffer bag (11) are located flexible rope (3) towards the one end on road, be equipped with the filling material in buffer bag (11).

2. The crash-deadening flexible barrier of claim 1, wherein: the distance between the adjacent spaced upright columns is 1-2 m.

3. The crash-deadening flexible barrier of claim 1, wherein: the filling material is bentonite, plastic particles or a mixture of bentonite and sand.

4. The crash-deadening flexible barrier of claim 1, wherein: the buffer bag (11) is a gunny bag, a geotextile bag or a polytetrafluoroethylene bag.

5. The crash-deadening flexible barrier of claim 1, wherein: the lower parts of the end columns (1), the reinforcing columns (2) and the spacing columns (8) are embedded into concrete or the lower ends of the end columns (1), the reinforcing columns (2) and the spacing columns (8) are provided with connecting devices which are connected with the connecting devices of the corresponding embedded parts.

6. The crash-deadening flexible barrier of claim 1, wherein: the outer side of the interval upright post (8) is provided with a short base plate (14) and a fixing fastener (13) to form, the short base plate (14) is welded or is installed on the outer side of the interval upright post (8) through a fastener, the fixing fastener (13) is welded on the short base plate (14), and the flexible rope (3) penetrates through the fixing fastener (13) to be installed on the interval upright post (8).

7. The crash-deadening flexible barrier of claim 1, wherein: the back of the buffer bag (11) is provided with a vertical support plate (15), the support plate (15) is provided with a hook or a lace (16), and the hook or the lace (16) is fixed on the flexible rope (3) on the back of the buffer bag (11).