CN215165026U

CN215165026U - Mid-zone semi-rigid guardrail reinforcing structure

Info

Publication number: CN215165026U
Application number: CN202120711804.8U
Authority: CN
Inventors: 杨福宇; 闫书明; 李双祥; 黄志明; 刘慧庭; 刘思源; 马晴; 王新; 邓宝; 于文泽; 刘景霞; 辛国树
Original assignee: Weifang Kunyu Transportation Technology Co ltd; Beijing Hualuan Traffic Technology Co ltd
Current assignee: Weifang Kunyu Transportation Technology Co ltd; Beijing Hualuan Traffic Technology Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-14
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a median strip semi-rigid guardrail additional strengthening, including horizontal support, diagonal bracing, connecting piece, semi-rigid guardrail includes the stand, the stand sets up for double longitudinal separation, horizontal support and diagonal bracing both ends are passed through the connecting piece setting on the relative back of two stands, and the horizontal support and the diagonal bracing of the direction of meeting a car are fixed in the top of stand, and the horizontal support of the direction of carrying a car is fixed in the bottom of stand, and the direction of carrying a car diagonal bracing also sets up the top at the stand, horizontal support and diagonal bracing are according to the vertical crisscross setting of median strip both sides lane direction, and semi-rigid guardrail still is including preventing hindering piece and crossbeam. The structure is added on the basis of unchanged original structure, so that the safety performance of the guardrail is improved; when a vehicle impacts the guardrail, the inclined strut has the function of upwards jacking the upright post facing the impact surface to prevent the guardrail from toppling; the possibility of secondary accident damage caused by the fact that the vehicle passes through the median zone is reduced to a certain degree; the installation is convenient and fast, and the engineering construction time is saved.

Description

Mid-zone semi-rigid guardrail reinforcing structure

Technical Field

The utility model relates to a beam column type guardrail in highway safety protection field especially to a median zone semi-rigid guardrail additional strengthening.

Background

The highway guardrail is an important traffic safety protection facility, and the reasonable arrangement of the guardrail can play an important role in reducing the injury degree of accidents and saving the lives of passengers when traffic accidents occur.

The semi-rigid guardrail is a road guardrail structure which is most commonly applied in China, has certain rigidity and toughness, mainly absorbs collision energy through deformation of a wave-shaped cross beam, a blocking prevention block, a stand column and a soil foundation, is easy to replace damaged parts, has certain sight induction effect and has the advantage of attractive appearance; however, in the accident investigation, the safety function of the existing semi-rigid guardrail is insufficient for large-sized vehicles, the potential problem of crossing the median strip exists, and the serious secondary accident is caused, wherein the main reason is that the semi-rigid guardrail is easy to stretch and deform after being collided by the vehicles, the height of the guardrail is reduced after the upright posts fall down, the vehicles climb along the median strip and cross, and therefore the falling resistance of the upright posts in the semi-rigid guardrail plays an important role in crossing the median strip.

In addition, a part of road sections with high requirements on the protective capacity at the present stage are subjected to lifting transformation after the guardrail is dismantled, but the material quantity is greatly increased, the resource recycling and the economy are extremely unfavorable, and the construction concept of green traffic and safe traffic is not met.

According to the situation, the mid-zone semi-rigid guardrail reinforcing structure is provided, only independent installation components are added on the basis that the original structure is not changed, conversion is actively sought from the aspects of materials, economy and safety, the material utilization rate is improved, and the installation is simple and convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a median zone semi-rigid guardrail additional strengthening to overcome the above-mentioned not enough that present wave form beam slab guardrail exists.

Will realize through following technical scheme the utility model discloses:

a middle belt semi-rigid guardrail reinforcing structure comprises a transverse support, an oblique support and a connecting piece. The semi-rigid guardrail comprises upright columns, the upright columns are arranged in a double-row longitudinal interval mode, two ends of a transverse support and an oblique support are arranged on the opposite back faces of the two upright columns through connecting pieces, the directions of lanes on two sides of a median strip are opposite, the transverse support and the oblique support in the vehicle-facing direction are fixed above the upright columns, the transverse support in the vehicle-backing direction is fixed at the bottoms of the upright columns, the oblique support in the vehicle-backing direction is also arranged above the upright columns, the transverse support and the oblique support are longitudinally staggered in the lane directions on two sides of the median strip, the semi-rigid guardrail further comprises a resistance block and a cross beam, and the resistance block and the cross beam are arranged in front of the vehicle-facing direction of the upright columns and are connected and fixed through bolts;

the transverse supports are arranged in a staggered mode, namely the back parts of two upright columns in the first row at the starting end are provided with the transverse supports, the left sides of the transverse supports are connected at the tops of the upright columns, and the right sides of the transverse supports are connected at the bottoms of the upright columns; the back of the second row of upright columns is provided with an oblique support next, one end of the oblique support is arranged above the first row of upright columns with the bottoms connected with the transverse support, and the other end of the oblique support is arranged above the second row of upright columns on the left side; the left sides of the second row of transverse supports are connected at the bottom of the upright post, and the right sides of the transverse supports are connected above the upright post; the back of the third row of upright columns is provided with an oblique support, one end of the oblique support is arranged above the fourth row of upright columns with the bottoms connected with the transverse support, the other end of the oblique support is arranged above the third row of upright columns on the right side, and the rest is done in the following process.

Further, the connecting piece includes flange board and U type bolt for upper portion is connected or the bottom is connected, horizontal support and stand link position welding flange board, diagonal bracing and stand link position welding flange board, the laminating of flange board is at the stand back, and U type bolt cover is in stand the place ahead and pass the bolt hole on the flange board and form the connection.

Furthermore, the connecting piece also comprises a hoop used for connecting the bottoms, the hoop is in a three-way form, a vertically through hole is sleeved outside the bottom of the upright post, and the connecting end of the transverse support and the bottom of the upright post is inserted into the residual hole of the hoop.

Further, the cross-sectional shapes of the transverse support, the oblique support and the upright post are circular or rectangular.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

(1) the structure is added on the basis of unchanged original structure, so that the safety performance of the guardrail is improved;

(2) when a vehicle impacts the guardrail, the inclined strut has the function of jacking the upright post facing the impact surface upwards and preventing the guardrail from toppling;

(3) the possibility of secondary accident damage caused by the fact that the vehicle passes through the median zone is reduced to a certain degree;

(4) the installation is convenient and fast, and the engineering construction time is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic side view of an embodiment of the present invention;

fig. 2 is a schematic plan view of an embodiment of the present invention;

FIG. 3 is a schematic side view of a lateral support according to an embodiment of the present invention;

fig. 4 is a schematic plan view of a lateral support and a column mounting according to an embodiment of the present invention;

fig. 5 is a schematic side view of the diagonal support according to the embodiment of the present invention;

fig. 6 is a schematic side view of the hoop according to the embodiment of the present invention.

The figures are labeled as follows:

1. transversely supporting; 2. obliquely supporting; 3. a connecting member; 4. a column; 5. the direction of vehicle-facing; 6. a back-to-back direction; 7. an anti-blocking block; 8. a cross beam; 9. a flange plate; 10. a U-shaped bolt; 11. and (5) hooping.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1-2, the embodiment of the present invention is schematically illustrated. Comprises a transverse support 1, an oblique support 2, a connecting piece 3 and upright posts 4, wherein the two ends of the transverse support 1 and the oblique support 2 are arranged on the opposite back surfaces of the two upright posts 4 through the connecting piece 3, the directions of traffic lanes on the two sides of a median strip are opposite, the arrows in the figure show the driving direction, a transverse support 1 and an oblique support 2 in the direction of vehicle head-on 5 are fixed above a vertical column 4, a transverse support 1 in the direction of vehicle back 6 is fixed at the bottom of the vertical column 4, and is embedded under the road surface, the inclined supports 2 in the back-up direction 6 are also arranged above the upright posts 4, the upright posts 4 are longitudinally arranged at intervals, the transverse supports 1 and the oblique supports 2 are longitudinally staggered in the direction of the lanes at the two sides of the median strip, the semi-rigid guardrail also comprises a block 7 and a beam 8, the front of the upright post 4 in the direction 5 facing the vehicle is provided with a block 7 and a cross beam 8 which are fixedly connected through bolts;

the transverse supports 1 are arranged in a staggered mode, namely the back parts of two upright columns 4 in the first row at the starting end are provided with the transverse supports 1, the left sides of the transverse supports 1 are connected at the tops of the upright columns 4, and the right sides of the transverse supports 1 are connected at the bottoms of the upright columns 4; the back of the second row of upright columns 4 is provided with an oblique support 2 next to the back, one end of the oblique support 2 is arranged above the right upright column 4 of the first row which is connected with the transverse support 1 at the bottom, and the other end of the oblique support 2 is arranged above the left upright column 4 of the second row; the left sides of the second row of transverse supports 1 are connected at the bottom of the upright post 4, and the right sides of the transverse supports 1 are connected above the upright post 4; the back of the third row of upright columns 4 is provided with the diagonal bracing 2, one end of the diagonal bracing 2 is arranged above the left upright column 4 which is connected with the transverse bracing 1 at the bottom of the fourth row, the other end of the diagonal bracing 2 is arranged above the right upright column 4 of the third row, and the rest can be done in the same way, and the upright columns 4 can be arranged at intervals.

As shown in fig. 3-4, it is a schematic view of the horizontal support and the installation of the upright according to the embodiment of the present invention. The connecting piece 3 comprises a flange plate 9 and U-shaped bolts 10 and is used for upper connection or bottom connection, the flange plate 9 is welded at the connecting end position of the transverse support 1 and the upright post 4, the flange plate is attached to the back of the upright post 4, and the U-shaped bolts 10 are sleeved in the front of the upright post 4 and penetrate through bolt holes in the flange plate 9 to form connection. The connecting piece 3 further comprises a hoop 11 used for connecting the bottoms, the hoop 11 is in a three-way form, a vertically through hole is sleeved on the outer side of the bottom of the upright post 4, and the connecting end of the transverse support 1 and the bottom of the upright post 4 is inserted into the residual hole of the hoop 11.

As shown in fig. 5, it is a schematic view of the oblique support according to the embodiment of the present invention. The connecting piece 3 comprises a flange plate 9 and U-shaped bolts 10 and is used for upper portion connection or bottom connection, the oblique support 2 and the stand column 4 are connected, the flange plate 9 is welded at two end positions, the flange plate is attached to the back of the stand column 4, and the U-shaped bolts 10 are sleeved in the front of the stand column 4 and penetrate through bolt holes in the flange plate 9 to form connection.

As shown in fig. 6, it is a schematic diagram of the hoop according to the embodiment of the present invention. The hoop 11 is in a three-way form, a pre-tightening bolt of the hoop 11 is arranged at the back of the upright post 4 to prevent the vehicle from being stumbled, a vertically through hole is sleeved at the outer side of the bottom of the upright post 4, and the connecting end of the transverse support 1 and the bottom of the upright post 4 is inserted into the residual hole of the hoop 11.

As shown in fig. 7, it is a schematic view of the installation of the antiglare shield of the embodiment of the present invention. The inclined support 2 is provided with bolt holes, the inclined support 2 is a pipe horizontally arranged in the middle of the upright post 4, the inclined support 2 is longitudinally and completely long and provided with a flat plate, and the anti-dazzle plate can be fixed on the flat plate through bolt connection.

The cross sections of the transverse support 1, the oblique support 2 and the upright post 4 are circular or rectangular.

The longitudinal arrangement distance of the upright posts 4 can be 4m or 2 m.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mid-zone semi-rigid guardrail additional strengthening, includes transverse support (1), diagonal bracing (2), connecting piece (3), its characterized in that: the semi-rigid guardrail comprises columns (4), the columns (4) are arranged at double rows at longitudinal intervals, two ends of transverse supports (1) and inclined supports (2) are arranged on the opposite back faces of the two columns (4) through connecting pieces (3), the directions of the central belt two-side lanes are opposite, the transverse supports (1) and the inclined supports (2) in the vehicle-facing direction (5) are fixed above the columns (4), the transverse supports (1) in the vehicle-backing direction (6) are fixed at the bottom of the columns (4), the inclined supports (2) in the vehicle-backing direction (6) are also arranged above the columns (4), the transverse supports (1) and the inclined supports (2) are longitudinally staggered in the directions of the central belt two-side lanes, the semi-rigid guardrail further comprises resistance blocks (7) and cross beams (8), the resistance blocks (7) and the cross beams (8) are arranged in front of the vehicle-facing direction (5) of the columns (4), and is fixed by bolt connection;

the horizontal supports (1) are arranged in a staggered mode, namely the back parts of two upright columns (4) in the first row at the starting end are provided with the horizontal supports (1), the left sides of the horizontal supports (1) are connected with the tops of the upright columns (4), and the right sides of the horizontal supports (1) are connected with the bottoms of the upright columns (4); the back of the second row of upright columns (4) is provided with an inclined support (2) next to the back, one end of the inclined support (2) is arranged above the right upright column (4) of the first row which is connected with the transverse support (1) at the bottom, and the other end of the inclined support (2) is arranged above the left upright column (4) of the second row; the left sides of the second row of transverse supports (1) are connected at the bottom of the upright post (4), and the right sides of the transverse supports (1) are connected above the upright post (4); the back of the third row of upright columns (4) is provided with the inclined support (2) next to the back, one end of the inclined support (2) is arranged above the left upright column (4) which is connected with the transverse support (1) at the bottom of the fourth row, the other end of the inclined support (2) is arranged above the right upright column (4) of the third row, and the rest is done in the same way.

2. The mid-span semi-rigid guardrail reinforcing structure of claim 1, wherein: connecting piece (3) are including flange board (9) and U type bolt (10) for upper portion is connected or the bottom is connected, horizontal support (1) and stand (4) link position welding flange board (9), inclined support (2) and stand (4) link position welding flange board (9), the laminating of flange board is at the stand (4) back, and U type bolt (10) cover is in stand (4) the place ahead and pass the bolt hole formation on flange board (9) and be connected.

3. The mid-span semi-rigid guardrail reinforcing structure of claim 1, wherein: the connecting piece (3) further comprises a hoop (11) for bottom connection, the hoop (11) is in a three-way form, a vertically through hole is sleeved on the outer side of the bottom of the upright post (4), and the connecting end of the transverse support (1) and the bottom of the upright post (4) is inserted into the residual hole of the hoop (11).

4. The mid-span semi-rigid guardrail reinforcing structure of claim 1, wherein: the cross sections of the transverse support (1), the oblique support (2) and the upright post (4) are circular or rectangular.