CN214328662U

CN214328662U - High-strength low-variable guardrail

Info

Publication number: CN214328662U
Application number: CN202022964273.1U
Authority: CN
Inventors: 廖红玲; 尤良春; 雷齐筝; 邹雄林; 刘敬红; 梁振; 王永泉; 马欣
Original assignee: Shenzhen Sureway Traffic Industrial Co ltd
Current assignee: Shenzhen Sureway Traffic Industrial Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-10-01
Anticipated expiration: 2030-12-12

Abstract

The utility model relates to a low variable guardrail excels in, include: reinforcing section guardrail and two piece at least wave plates, the reinforcing section guardrail includes: the flange stand columns are arranged on the first side frames; the corrugated plate is correspondingly arranged, the flange stand columns are vertically fixed with the corrugated plate, the first inclined struts are arranged between a plurality of pairs of flange stand columns, and the crosspiece is vertically arranged between a plurality of pairs of flange stand columns. The utility model provides a low variable guardrail excels in, guardrail wholly adopt high strength steel in order to increase its protective capacities, set up the flange stand of strenghthened type in the guardrail, cooperate original protection basis to install, in addition, strengthen the stand through setting up bracing and crosspiece, strengthen the protection to the barrier.

Description

High-strength low-variable guardrail

Technical Field

The utility model relates to a guardrail technical field, in particular to low variable guardrail excels in.

Background

The central division strip guardrail provided by the prior art has some problems in installation and use, special protection is not performed on special road sections and traffic facilities with special structures in a targeted manner, and therefore, great hidden dangers exist in traffic safety, particularly under the condition that a protective barrier is higher than the guardrail. The traditional waveform guardrail has the defects of low guardrail anti-collision grade and low overall structure height, and can not effectively control the maximum transverse dynamic displacement extension value (W) of the guardrail and the maximum dynamic camber equivalent Value (VIN) of a vehicle. The concrete guardrail has the defects of high rigidity, poor energy absorption effect and low overall height, the control effect on the maximum dynamic camber equivalent Value (VIN) of a large vehicle is extremely poor, and the obstacle arranged in a narrow central division belt cannot be protected, so that the safety of the obstacle can be easily endangered once a traffic accident happens to an obstacle protection section, the obstacle is possibly toppled over on the road surface when the vehicle collides with the obstacle, secondary damage is caused to passing vehicles and personnel, traffic jam is caused, and serious casualties and economic loss are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low variable guardrail excels in has solved the problem that the barrier is not enough to the hindrance and the guardrail protecting effect of guardrail installation.

In order to achieve the above object, the present invention provides the following technical solutions:

a high-strength low-variance guardrail comprising: reinforcing segment guardrail and two piece at least wave plate 1, the reinforcing segment guardrail includes: a plurality of flange upright posts 2, a plurality of first inclined struts 3 and a plurality of crosspieces 4;

the corrugated plate 1 is correspondingly arranged, the flange upright posts 2 are vertically fixed with the corrugated plate 1, the first inclined struts 3 are arranged between the flange upright posts 2, and the crosspiece 4 is vertically arranged between the flange upright posts 2.

Preferably, the bottom of the flange upright post 2 is provided with a flange plate for anchoring on a building foundation.

Preferably, the reinforcement section guardrail is provided with the changeover portion guardrail at both ends, the changeover portion guardrail includes: a plurality of first stands 5 and a plurality of second bracing 6, first stand 5 with wave plate 1 vertical fixation, second bracing 6 sets up between a plurality of pairs of first stands 5.

Preferably, the reinforcing section guardrail and the transition section guardrail also comprise a plurality of cross beams and a plurality of friction beams 7, and the cross beams and the friction beams 7 are respectively arranged above and below the corrugated plate 1 in parallel;

the flange upright post 2 is vertically fixed with the cross beam and the friction beam 7, and the first upright post 5 is vertically fixed with the cross beam and the friction beam 7.

Preferably, two second upright columns 8 are correspondingly arranged at the tail ends of the transition section guardrails, and the second upright columns 8 are vertically fixed with the cross beam, the corrugated plate 1 and the friction beam 7;

and a cross brace is vertically arranged between the pair of second upright posts 8.

Preferably, the cross beams include a first cross beam 91 and a second cross beam 92, and the first cross beam 91 is arranged above the second cross beam 92;

the first beam 91 is gradually bent and combined to the second beam 92 at two ends, and two symmetrical second beams 92 are bent and combined at the second upright post 8.

Preferably, first guardrails are arranged at two ends of the guardrail of the transition section and comprise a plurality of third upright columns 10, and the third upright columns 10 are vertically fixed to the corrugated plate 1 through the anti-blocking blocks.

Preferably, the friction beam 7 is bent from the end of the reinforcement section guardrail and fixed to the first third upright 10 on the first guardrail.

Through implementing above technical scheme, have following technological effect: the utility model provides a low variable guardrail excels in, guardrail wholly adopt high strength steel in order to increase its protective capacities, set up the flange stand of strenghthened type in the guardrail, cooperate original protection basis to install, in addition, strengthen the stand through setting up bracing and crosspiece, strengthen the protection to the barrier.

Drawings

Fig. 1 is a schematic view of a reinforced section guardrail structure of a high-strength low-variable guardrail provided by the utility model;

fig. 2 is a schematic view of a transition section guardrail structure of the high-strength low-variable guardrail provided by the utility model;

fig. 3 is the utility model provides a structural schematic of low variable guardrail excels in.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed description of the embodiments provided in the present invention is provided with reference to the accompanying drawings.

Example one

As shown in fig. 1, it can be understood that the present embodiment provides a high-strength low-variance guardrail, including: reinforcing segment guardrail and two piece at least wave plate 1, the reinforcing segment guardrail includes: a plurality of flange upright posts 2, a plurality of first inclined struts 3 and a plurality of crosspieces 4; the corrugated plate 1 is correspondingly arranged, the flange upright posts 2 are vertically fixed with the corrugated plate 1, the first inclined struts 3 are arranged between the flange upright posts 2, and the crosspiece 4 is vertically arranged between the flange upright posts 2. And a flange plate is arranged at the bottom of the flange upright post 2 and is used for anchoring on a building foundation.

In this embodiment, the reinforced section guardrail is used for protecting obstacles at the installation place of the guardrail, such as: facilities such as ETC portal, lamp pole and sign stand, the flange stand 2 length of strengthening section stand is shorter than other stands, sets up the flange board in its bottom, utilizes the flange board to anchor flange stand 2 on the barrier, and when the guardrail installation, if meet the installation department and be equipped with the barrier promptly, can utilize strengthening section stand protects it, does not hinder the installation of other sections guardrails yet simultaneously. In other embodiments, other means for anchoring may be used for anchoring.

In the present embodiment, taking the ETC portal as an example, as shown in fig. 1 and 3, the reinforced section guardrail portion mainly includes a corrugated plate 1 and flange columns 2, in the present embodiment, the number of the corrugated plates 1 is two, in other embodiments, four, six, etc. may be provided according to actual conditions, the two corrugated plates 1 are correspondingly provided, the flange columns 2 are vertically provided on the inner side of the corrugated plate 1, that is, every two flange columns 2 are also correspondingly provided, and the flange columns 2 are fixed on the corrugated plate 1 through brackets of the corrugated plate 1. In order to strengthen the flange columns 2, a first inclined strut 3 is arranged between the pair of flange columns 2, if the arrangement of obstacles can obstruct the installation of the first inclined strut 3, the first inclined strut 3 is changed into a crosspiece 4, as shown in the figure, a column parallel to the corrugated plate 1 is arranged in the middle of the ETC portal frame, the first inclined strut 3 cannot be arranged, namely the first inclined strut 3 is changed into the crosspiece 4 according to requirements, and in other embodiments, the first inclined strut 3 can be changed according to specific arrangement. The first inclined strut 3 and the crosspiece 4 in the embodiment are connected into a whole by bolts, wherein the flange columns 2 on two sides are connected into a whole.

Example two

As shown in fig. 2 and 3, in the embodiment, a high-strength low-variable guardrail is provided, where transition guardrails are disposed at two ends of the reinforcing section guardrail, and the transition guardrail includes: a plurality of first stands 5 and a plurality of second bracing 6, first stand 5 with wave plate 1 vertical fixation, second bracing 6 sets up between a plurality of pairs of first stands 5. The reinforcing section guardrail and the transition section guardrail also comprise a plurality of cross beams and a plurality of friction beams 7, in the embodiment, the number of the cross beams is four, the number of the friction beams 7 is two, the two friction beams are respectively and symmetrically arranged, and the two cross beams and the friction beam 7 are respectively arranged above and below the corrugated plate 1 in parallel; the flange upright post 2 is vertically fixed with the cross beam and the friction beam 7, and the first upright post 5 is vertically fixed with the cross beam and the friction beam 7.

In this embodiment, after the barrier is protected by arranging the reinforcement section guardrail, the reinforcement section guardrail is connected with other guardrails, transition section guardrails are arranged at two ends of the reinforcement section guardrail, the transition section guardrail and the reinforcement section guardrail part further comprise a cross beam and a friction beam 7 besides the corrugated plate 1, in this embodiment, two cross beams are arranged above the corrugated plate 1 in parallel, one friction beam 7 is arranged below the corrugated plate 1 in parallel, the first upright column 5 is perpendicular to the cross beam, the corrugated plate 1 and the friction beam 7, and the first upright column 5 is connected with the cross beam, the corrugated plate 1 and the friction beam 7 through a cross beam bracket, a corrugated plate bracket and a friction beam bracket respectively. The flange upright post 2 is connected with the cross beam and the friction beam 7 through a cross beam bracket and a friction beam bracket respectively. In this embodiment, a second inclined strut 6 is disposed between a pair of the first columns 5, and the corresponding first columns 5 are connected into a whole through bolts for enhancing the structural strength of the first columns 5.

In this embodiment, two second upright posts 8 are correspondingly arranged at the tail end of the transition section guardrail, and the second upright posts 8 are vertically fixed with the cross beam, the corrugated plate 1 and the friction beam 7; and a cross brace is vertically arranged between the pair of second upright posts 8. The cross beams include a first cross beam 91 and a second cross beam 92, and the first cross beam 91 is arranged above the second cross beam 92; the first beam 91 is gradually bent and combined to the second beam 92 at two ends, and two symmetrical second beams 92 are bent and combined at the second upright post 8.

The upper layer of the high-strength low-variable guardrail adopts a double-beam structure to strengthen the overall structural strength of the guardrail, the middle layer adopts a three-wave plate to absorb energy of a collision vehicle, so that the injury of accident vehicles and personnel is reduced, and the lower layer adopts a friction beam 7 to prevent the vehicle from passing through from the bottom of the guardrail. And a second upright post 8 and a cross brace are arranged at the tail end of the guardrail of the transition section, so that the bent part of the beam at the tail end is reinforced and protected. In this embodiment, the cross beam and the friction beam 7 may be integrated or segmented, and when the overall length is too long and is not beneficial to transportation and installation, the segmented cross beam and the friction beam 7 may be used and connected through a cross beam connecting piece and a friction beam 7 connecting piece during installation.

EXAMPLE III

As shown in fig. 2 and 3, in the high-strength low-variable guardrail provided by this embodiment, first guardrails are arranged at two ends of the transition section guardrail, each first guardrail includes a plurality of third upright posts 10, and the third upright posts 10 are vertically fixed to the corrugated plate 1 through the anti-blocking blocks. The friction beam 7 is bent from the end of the reinforcement section guardrail and is fixed to the first third upright 10 on the first guardrail.

In this embodiment, the reinforcing section guard bar is connected with the first guard bar through a transition section guard bar, the first guard bar mainly comprises a third upright post 10 and a corrugated plate 1, and the third upright post 10 is vertically fixed on the inner side of the corrugated plate 1 through a block.

It is right above the embodiment of the present invention provides a high-strength low-variable guardrail, to the general technical personnel in this field, according to the embodiment of the present invention, there is a change part on the concrete implementation and application scope, to sum up, this description content should not be understood as being right the utility model discloses a restriction.

Claims

1. The utility model provides a high-strength low variable guardrail which characterized in that includes: reinforcing segment guardrail and at least two corrugated plate (1), reinforcing segment guardrail includes: a plurality of flange upright posts (2), a plurality of first inclined struts (3) and a plurality of crosspieces (4);

the corrugated plate (1) is correspondingly arranged, the flange upright columns (2) are vertically fixed with the corrugated plate (1), the first inclined struts (3) are arranged between a plurality of pairs of flange upright columns (2), and the crosspiece (4) is vertically arranged between a plurality of pairs of flange upright columns (2).

2. High-strength low-variable guardrail according to claim 1, characterized in that the flange plate is arranged at the bottom of the flange upright (2) and is used for anchoring on a building foundation.

3. The high-strength low-variance guardrail of claim 1, wherein transition guardrails are arranged at two ends of the reinforcing section guardrail, and the transition guardrails comprise: a plurality of first stands (5) and a plurality of second bracing (6), first stand (5) with wave plate (1) vertical fixation, second bracing (6) set up between a plurality of pairs of first stand (5).

4. The high strength low variation guardrail of claim 3, wherein the reinforcement section guardrail and the transition section guardrail portions further comprise a plurality of cross beams and a plurality of friction beams (7), the cross beams and the friction beams (7) being respectively disposed above and below the corrugated plate (1) in parallel;

the flange upright post (2) is vertically fixed with the cross beam and the friction beam (7), and the first upright post (5) is vertically fixed with the cross beam and the friction beam (7).

5. The guardrail of claim 4, wherein two second upright posts (8) are correspondingly arranged at the tail end of the transition section guardrail, and the second upright posts (8) are vertically fixed with the cross beam, the corrugated plate (1) and the friction beam (7);

and a cross brace is vertically arranged between the pair of second upright posts (8).

6. The high-strength low-variable guardrail of claim 5, wherein the cross beams comprise a first cross beam (91) and a second cross beam (92), the first cross beam (91) being disposed above the second cross beam (92);

the first cross beam (91) is gradually bent and combined to the second cross beam (92) at two ends, and the two symmetrical second cross beams (92) are bent and combined at the second upright post (8).

7. The guardrail of claim 4, wherein the transition section guardrail is provided with first guardrails at two ends, the first guardrails comprise a plurality of third upright posts (10), and the third upright posts (10) are vertically fixed with the corrugated plate (1) through the anti-blocking blocks.

8. A high strength low variation guardrail according to claim 7, wherein the friction beam (7) is bent from the reinforcement section guardrail end and fixed to the first third upright (10) on the first guardrail.