CN217556789U

CN217556789U - Barrier protection guardrail

Info

Publication number: CN217556789U
Application number: CN202122867991.1U
Authority: CN
Inventors: 廖红玲; 尤良春; 邹雄林; 雷齐筝; 梁振; 刘敬红; 王永泉; 白彩霞; 杨碧原
Original assignee: Shenzhen Sureway Traffic Industrial Co ltd
Current assignee: Shenzhen Sureway Traffic Industrial Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-10-11
Anticipated expiration: 2031-11-22

Abstract

The utility model relates to an obstacle protection guardrail, including the body: the body comprises a protection core section and two sections of gradual transition sections, wherein the two sections of gradual transition sections are respectively arranged at two ends of the protection core section; the protection core section comprises a plurality of high upright columns, and the high upright columns are sequentially provided with a plurality of friction beams, a three-wave-shaped protection guardrail plate and a plurality of cross beams from bottom to top; the high stand is kept away from three wave form protection guardrail board one side still is provided with a plurality of low stands, low stand passes through bracing and high stand fixed connection. The utility model provides an obstacle protection guardrail, guardrail main part adopt high-strength steel material and conventional material to combine together, can reach the effect of just soft and economic, have structural strength height, the deflection is little and the effectual characteristics of energy-absorbing.

Description

Barrier protection guardrail

Technical Field

The utility model relates to a highway safety protection technical field, in particular to barrier protection guardrail.

Background

With the rapid development of economy in China, the demand for transportation is increasing. The existing old road has poor traffic capacity and is easy to cause traffic jam; the old traffic facilities have insufficient protection capability; these problems have greatly hindered the development of economy. In order to solve the problems, china always strives to build a new road and rebuild an old road in recent years, adopts a plurality of new measures to solve the problems of traffic congestion and confusion, and obtains better results. Upgrading and modifying of roads are absolutely necessary, but upgrading and updating of traffic safety facilities cannot be ignored. At present, a plurality of old roads and newly-built roads have the problem of insufficient net area width due to various factors, although the sections with insufficient net area width are upgraded and modified, various vehicle type flow proportions of the sections and the actual effective protection range of the guardrails are not considered, great holes still exist in the protection of obstacles, the situation has great potential safety hazards, and serious safety accidents and great economic losses are easily caused. The disadvantage of the standard guardrail is mainly that the protection capability can not meet the protection requirement of a special road section, although the waveform guardrail and the concrete guardrail in the standard form meet the requirement of an anti-collision grade, the maximum lateral dynamic displacement extension value of the guardrail of the waveform guardrail and the maximum dynamic camber value of a vehicle are larger, the maximum dynamic camber value of the vehicle of the concrete guardrail is also larger, the energy absorption effect is poor, the maximum dynamic camber value of the vehicle is generally more than 1 meter, and the protection of obstacles (mainly viaduct piers, mark upright posts, ETC door frames and the like) in the road section with smaller clear area width can not meet the use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low barrier protection guardrail that warp of high strength type, the utility model discloses the rail guard is to the barrier guardrail in the less highway section of clean district width, reforms transform on the basis of current traditional waveform guardrail, can greatly reduce the epitaxial value of the biggest horizontal dynamic displacement of guardrail of waveform guardrail and the biggest dynamic camber value of vehicle, promotes the protective capacities of waveform guardrail, reduces the incidence of secondary accident.

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

an obstacle guard fence comprising a body: the body comprises a protection core section and two sections of transition sections, wherein the two sections of transition sections are respectively arranged at two ends of the protection core section;

the protection core section comprises a plurality of high upright posts 113, and the plurality of high upright posts 113 are sequentially provided with a plurality of friction beams, a three-wave-shaped protection guardrail plate and a plurality of cross beams from bottom to top; a plurality of low upright posts 204 are further arranged on one side of the high upright post 113 away from the three-wave-shaped protective guardrail plate, and the low upright posts 204 are fixedly connected with the high upright post 113 through inclined struts 203;

the gradual transition section comprises a plurality of high upright columns 113, a plurality of middle upright columns 112 and a plurality of middle and low upright columns 110, the high upright columns 113 are arranged close to the protection core section, the middle and low upright columns 110 are arranged at two ends of the body, and the middle upright columns 112 are arranged between the middle and low upright columns 110 and the high upright columns 113; the three-wave-shaped protection guardrail plate is fixed on the high upright column 113, the middle upright column 112 and the middle-low upright column 110, and the tail end of the friction beam and the tail end of the cross beam are connected with the middle-low upright column 110.

Preferably, the protective core section is at least provided with 3 high columns 113, at least 2 low columns 204 and at least 2 inclined struts 203, and the low columns 204 are respectively fixedly connected with the high columns 113 through the inclined struts 203; the rest of the high upright posts 113 are respectively arranged between the two adjacent low upright posts 204; the high upright column 113 is sequentially provided with a core section friction beam 115, a core section three-wave-shaped protection guardrail plate 105, a first cross beam 102 and a second cross beam 104 from bottom to top;

each section of the gradual transition section is sequentially provided with at least 1 high upright column 113, at least 1 middle upright column 112 and at least 2 middle-low upright columns 110 from the part close to the protection core section to the part far away from the protection core section; the low upright post 110 at the tail end of the gradual transition section is connected with the tail end of the transition section three-wave-shaped protective guardrail plate 101, and the tail end of the transition section friction beam 111 is connected with the low upright post 110 close to the gradual transition section of the middle upright post; the tail end of the first beam 102 is connected with a low upright 110 close to the gradual transition section of the middle upright, gradual transition beams 103 are arranged at two ends of the second beam 104, and the second beam 104 is connected with the first beam 102 through the gradual transition beams 103.

Preferably, the high upright 113 and the low upright 204 are both formed by drilling a rectangular tube, and the inclined strut 203 is formed by welding a rectangular tube and a steel plate.

Preferably, the high upright posts 113 of the protective core section and the gradual transition section are respectively provided with a first block 202, a first bracket 107 and a second bracket 106;

the gradual change transition cross beam 103 is respectively fixed on the first cross beam 102 and the first bracket 107 through bolts, one end of the gradual change transition cross beam 103 is fixed on the first cross beam 102, and the other end is fixedly connected with the second cross beam 104;

the first anti-blocking block 202 and the second bracket 106 are both manufactured by bending steel plates, and the first bracket 107 is manufactured by bending and welding steel plates;

the first bracket 107 is arranged on the high upright 113 not only for fixing the second beam 104, but also for covering the top end of the high upright 113 and serving as a cap;

the second beam 104 is fixed to the first bracket 107 and the second bracket 106 by bolts, and the second beam 104 is formed by drilling a rectangular tube.

Preferably, the core section friction beam 115 is directly fixed on the high upright 113 through bolts, and the core section friction beam 115 is manufactured by drilling a rectangular tube.

Preferably, the center pillar 112 is provided with a second bracket 106, a third bracket 109 and a first anti-blocking block 202; the first beam 102 is fixed on the second bracket 106, the third bracket 109 and the middle and low upright post 110 through bolts;

the middle and low upright post 110 is provided with a second anti-blocking block 201, the transition section three-wave-shaped protective guardrail plate 101 is fixed on the first anti-blocking block 202 and the second anti-blocking block 201 through bolts, and the transition section three-wave-shaped protective guardrail plate 101 is manufactured through steel plate rolling and profiling processing.

Preferably, the transition section friction beam 111 is fixed on the middle and low upright 110, the middle upright 112 and the high upright 113 in sequence through bolts.

Preferably, the first beam 102, the second beam 104 and the transition beam 103 are integrally connected by plugging a beam connector 108 and bolts into the connection between the first beam 102, the second beam 104 and the transition beam 103.

Through implementing above technical scheme, have following technological effect: the utility model provides an obstacle protection guardrail, guardrail main part adopt the steel material of excelling in to combine together with conventional material (Q235 material or the steel of Q345 material), can reach the effect of just soft and economic, have structural strength height, the deformation is little and the effectual characteristics of energy-absorbing. The utility model discloses a stand, friction roof beam, crossbeam, bracing and wave plate adopt high strength steel material, can minimize the deflection that wave plate and crossbeam produced when the collision, can reduce as far as possible with the steel volume under the prerequisite that satisfies the operation requirement. The block is made of conventional materials, the conventional materials have better ductility, can generate plastic deformation energy absorption during collision, and has buffering and energy absorption effects on vehicles. The utility model discloses guardrail main part component adopts bolted connection, and every component can all be changed after damaging. The utility model discloses the guardrail mainly comprises friction roof beam, crossbeam, wave plate, stand and bracing, increases bracing and stand in barrier protection core region, and nuclear region both sides stand reduces gradually, and the guardrail takes two crossbeam structures, improves the whole height of guardrail, and the reinforcing resists the ability of vehicle camber. The gradual change section is done at crossbeam both ends, can be connected to the wave form guardrail of a low grade smoothly, avoids the guardrail that different protection grades and different cross section structures formed because the gradual change is unreasonable or the transition is not smooth and easy problem, leads to the vehicle to produce when colliding the gradual change changeover portion and hinders and trip and can not derive smoothly, can cause serious harm to the car and take advantage of personnel, also threatens the safe condition of barrier that is protected. The utility model discloses the rail guard has increased the friction beam structure than traditional wave form guardrail, not only can strengthen rail guard overall structure intensity, can avoid minibus to bore into the guardrail bottom when the collision and form and hinder or pass through the guardrail moreover. The guardrail is arranged not by taking the barrier as a center, the two sides of the barrier are arranged asymmetrically, and the upstream protection length of the guardrail is slightly longer than the downstream protection length, so that the arrangement of the guardrail is more in line with practical application, the total length of the guardrail can be reduced as much as possible, and the installation and maintenance cost is reduced. The utility model discloses the guardrail has that connected mode is simple, can easily install fast, and the collision deflection is little, later stage maintenance characteristics such as with low costs.

Drawings

Fig. 1 is a schematic structural view (perspective view 1) of the barrier guard rail provided by the present invention;

fig. 2 is a schematic structural view (perspective view 2) of the barrier guard rail provided by the present invention;

fig. 3 is a schematic structural view (front view) of the barrier guard rail provided by the present invention;

fig. 4 is a schematic structural view (left side view) of the barrier guard rail provided by the present invention;

fig. 5-1 is a schematic structural view of the diagonal brace 203 of the barrier protection fence provided by the utility model;

fig. 5-2 is a schematic structural view of a first anti-blocking block 202 of the barrier guard rail provided by the present invention;

fig. 5-3 are schematic structural views of a second block 201 of the barrier guard fence according to the present invention;

fig. 5-4 are schematic structural views of the first bracket 107 of the barrier guard provided by the present invention;

fig. 5-5 are schematic structural views of the second bracket 106 of the barrier guard provided by the present invention;

fig. 5-6 are schematic structural views of a third bracket 109 of the barrier guard rail provided by the present invention;

fig. 5-7 are schematic structural views of the cross beam connector 108 of the barrier guard rail provided by the present invention;

fig. 5-8 are schematic structural views of the friction beam connector 114 of the barrier guard rail according to the present invention.

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.

An obstacle guard rail, as shown in fig. 1-2, comprising a body: the body comprises a protection core section and two gradual transition sections, wherein the two gradual transition sections are respectively arranged at two ends of the protection core section; the protection core section comprises a plurality of high upright columns 113, and the plurality of high upright columns 113 are sequentially provided with a plurality of friction beams, a three-wave-shaped protection guardrail plate and a plurality of cross beams from bottom to top; a plurality of low upright columns 204 are further arranged on one side of the high upright column 113 far away from the three-wave-shaped protective guardrail plate, and the low upright columns 204 are fixedly connected with the high upright column 113 through inclined struts 203; the gradual transition section comprises a plurality of high upright columns 113, a plurality of middle upright columns 112 and a plurality of middle and low upright columns 110, the high upright columns 113 are arranged close to the protection core section, the middle and low upright columns 110 are arranged at two ends of the body, and the middle upright columns 112 are arranged between the middle and low upright columns 110 and the high upright columns 113; the three-wave-shaped protective guardrail plate is fixed on the high upright column 113, the middle upright column 112 and the middle and low upright columns 110, and the tail ends of the friction beam and the tail ends of the cross beams are connected with the middle and low upright columns 110.

On the basis of the above embodiment, further, the protective core section is at least provided with 3 high columns 113, at least 2 low columns 204 and at least 2 inclined struts 203, and the low columns 204 are respectively and fixedly connected with the high columns 113 through the inclined struts 203; the rest of the high upright posts 113 are respectively arranged between the two adjacent low upright posts 204; the high upright column 113 is sequentially provided with a core section friction beam 115, a core section three-wave-shaped protection guardrail plate 105, a first cross beam 102 and a second cross beam 104 from bottom to top; each section of the gradual transition section is sequentially provided with at least 1 high upright column 113, at least 1 middle upright column 112 and at least 2 middle-low upright columns 110 from the part close to the protection core section to the part far away from the protection core section. On the basis of the above embodiments, as shown in fig. 1 to 4, in other embodiments, further, 11 Gao Lizhu, 6 low columns 204, and 6 braces 203 are provided in the protective core section, and the 6 low columns 204 are respectively fixedly connected to 6 of the high columns 113 through the 6 braces 203; the remaining 5 high vertical columns 113 are respectively arranged between the two adjacent low vertical columns 204; the high upright column 113 is sequentially provided with a core section friction beam 115, a core section three-wave-shaped protection guardrail plate 105, a first cross beam 102 and a second cross beam 104 from bottom to top; the two sections of the gradual transition sections are provided with 2 high upright columns 113, 2 middle upright columns 112 and 4 middle and low upright columns 110; each section of the gradual transition section is sequentially provided with 1 high upright column 113, 1 middle upright column 112 and 2 middle-low upright columns 110 from the part close to the protection core section to the part far away from the protection core section; the low upright post 110 at the tail end of the gradual transition section is connected with the tail end of the transition section three-wave-shaped protective guardrail plate 101, and the tail end of the transition section friction beam 111 is connected with the low upright post 110 close to the gradual transition section of the middle upright post; the tail end of the first beam 102 is connected with a low upright 110 close to the gradual transition section of the middle upright, gradual transition beams 103 are arranged at two ends of the second beam 104, and the second beam 104 is connected with the first beam 102 through the gradual transition beams 103. In this embodiment, the friction beam, the three-wave-shaped protection guardrail plate and the cross beam may be an integral component, or may be formed by connecting multiple sections of friction beams, multiple sections of three-wave-shaped protection guardrails and multiple sections of cross beams. In this embodiment, the friction beams are connected integrally by inserting the friction beam connectors 114 (the specific structure is shown in fig. 5 to 8) therebetween and then fixing the friction beams by bolts.

On the basis of the above embodiments, in other embodiments, preferably, the high upright 113 and the low upright 204 are both formed by drilling rectangular pipes, and as shown in fig. 5-1, the inclined strut 203 is formed by welding rectangular pipes and steel plates. Preferably, the high upright posts 113 of the protective core section and the gradual transition section are respectively provided with a first block 202, a first bracket 107 and a second bracket 106; the specific structure of the first anti-blocking block 202, the first bracket 107 and the second bracket 106 is shown in fig. 5-2, 5-4 and 5-5.

The gradual change transition cross beam 103 is respectively fixed on the first cross beam 102 and the first bracket 107 through bolts, one end of the transition cross beam 103 is fixed on the first cross beam 102, and the other end is fixedly connected with the second cross beam 104. As shown in fig. 5, the first anti-blocking block 202 and the second bracket 106 are both made by a steel plate bending process, and the first bracket 107 is made by a steel plate bending and welding process; the first bracket 107 is arranged on the high upright 113 not only for fixing the second beam 104, but also for covering the top end of the high upright 113 and serving as a cap; the second beam 104 is fixed to the first bracket 107 and the second bracket 106 by bolts, and the second beam 104 is formed by drilling a rectangular tube. Preferably, the core section friction beam 115 is directly fixed on the high upright 113 through bolts, and the core section friction beam 115 is manufactured by drilling a rectangular tube.

On the basis of the above embodiment, furthermore, the center pillar 112 is provided with the second bracket 106, the third bracket 109 and the first anti-blocking block 202, and the specific structures of the second bracket 106, the third bracket 109 and the first anti-blocking block 202 are shown in fig. 5-5, fig. 5-6 and fig. 5-3; the first beam 102 is fixed on the second bracket 106, the third bracket 109 and the middle and low upright post 110 through bolts; the middle and low upright post 110 is provided with a second anti-blocking block 201, the transition section three-wave-shaped protective guardrail plate 101 is fixed on the first anti-blocking block 202 and the second anti-blocking block 201 through bolts, and the transition section three-wave-shaped protective guardrail plate 101 is manufactured through steel plate rolling and profiling processing. Preferably, the transition section friction beam 111 is fixed on the middle and low upright 110, the middle upright 112 and the high upright 113 in sequence through bolts. Preferably, the first beam 102, the second beam 104 and the transition beam 103 are integrally connected by plugging a beam connector 108 (the specific structure is shown in fig. 5-7) and bolts at the connection position between the first beam 102, the second beam 104 and the transition beam 103.

It introduces in detail above the barrier protection guardrail that the embodiment of the present invention provides, to the general technical personnel in this field, according to the utility model discloses the thought, all have the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.

Claims

1. An obstacle guard rail, comprising a body: the body comprises a protection core section and two gradual transition sections, wherein the two gradual transition sections are respectively arranged at two ends of the protection core section;

the protection core section comprises a plurality of high upright columns (113), and the high upright columns (113) are sequentially provided with a plurality of friction beams, a three-wave-shaped protection guardrail plate and a plurality of cross beams from bottom to top; a plurality of low upright columns (204) are further arranged on one sides of the high upright columns (113) far away from the three-wave-shaped protective guardrail plate, and the low upright columns (204) are fixedly connected with the high upright columns (113) through inclined struts (203);

the gradual transition section comprises a plurality of high upright columns (113), a plurality of middle upright columns (112) and a plurality of middle and low upright columns (110), the high upright columns (113) are arranged close to the protection core section, the middle and low upright columns (110) are arranged at two ends of the body, and the middle upright columns (112) are arranged between the middle and low upright columns (110) and the high upright columns (113); the three-wave-shaped protective guardrail plate is fixed on the high upright post (113), the middle upright post (112) and the middle and low upright posts (110), and the tail ends of the friction beam and the cross beam are connected with the middle and low upright posts (110).

2. The barrier protection fence according to claim 1, characterized in that the protection core section is provided with at least 3 high uprights (113), at least 2 low uprights (204) and at least 2 braces (203), the low uprights (204) being fixedly connected with the high uprights (113) respectively by means of the braces (203); the rest of the high upright columns (113) are respectively arranged between the two adjacent low upright columns (204); the high upright post (113) is sequentially provided with a core section friction beam (115), a core section three-wave-shaped protection guardrail plate (105), a first cross beam (102) and a second cross beam (104) from bottom to top;

each section of the gradual transition section is sequentially provided with at least 1 high upright post (113), at least 1 middle upright post (112) and at least 2 middle-low upright posts (110) from the part close to the protection core section to the part far away from the protection core section; the low upright post (110) at the tail end of the gradual transition section is connected with the tail end of the transition section three-wave-shaped protective guardrail plate (101), and the tail end of the transition section friction beam (111) is connected with the low upright post (110) of the gradual transition section close to the middle upright post; the tail end of the first cross beam (102) is connected with a low upright (110) close to the gradual transition section of the middle upright, gradual transition cross beams (103) are arranged at two ends of the second cross beam (104), and the second cross beam (104) is connected with the first cross beam (102) through the gradual transition cross beams (103).

3. The barrier fence according to claim 1 or 2, wherein the high upright (113) and the low upright (204) are both machined by rectangular tube drilling, and the diagonal brace (203) is machined by rectangular tube and steel plate welding.

4. The barrier protection fence of claim 2, wherein the protective core section and the transition section Gao Lizhu (113) are provided with a first block prevention (202), a first bracket (107) and a second bracket (106), respectively;

the gradual change transition cross beam (103) is respectively fixed on the first cross beam (102) and the first bracket (107) through bolts, one end of the gradual change transition cross beam (103) is fixed on the first cross beam (102), and the other end of the gradual change transition cross beam is fixedly connected with the second cross beam (104); the second cross member (104) is fixed to the first bracket (107) and the second bracket (106) by bolts.

5. The barrier guard fence of claim 2, characterized in that the core section friction beam (115) is directly fixed to the high column (113) by bolts, the core section friction beam (115) being machined from a rectangular tube bore.

6. The barrier guard rail according to claim 2, characterized in that the center pillar (112) is provided with a second bracket (106), a third bracket (109) and a first block (202); the first cross beam (102) is fixed on a second bracket (106), a third bracket (109) and the middle-low upright post (110) through bolts;

the middle and low upright post (110) is provided with a second anti-blocking block (201), the transition section three-wave-shaped protective guardrail plate (101) is fixed on the first anti-blocking block (202) and the second anti-blocking block (201) through bolts, and the transition section three-wave-shaped protective guardrail plate (101) is manufactured through steel plate rolling and profiling processing.

7. The barrier guard fence as claimed in claim 2, wherein the transition section friction beam (111) is fixed to the mid-low upright (110), the mid-high upright (112) and the high upright (113) in sequence by bolts.

8. The barrier protection fence according to claim 2, characterized in that the first beam (102), the second beam (104) and the transition beam (103) are integrally connected by plugging in a beam connector (108) and bolts at the connection between the first beam (102), the second beam (104) and the transition beam (103).