CN211849136U

CN211849136U - Combined reflective energy-absorbing type anti-impact road traffic safety guardrail

Info

Publication number: CN211849136U
Application number: CN202020372139.XU
Authority: CN
Inventors: 钟穗红; 江松明
Original assignee: Guangzhou Xiangtong Traffic Facilities Engineering Co ltd
Current assignee: Guangzhou Xiangtong Traffic Facilities Engineering Co ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2020-11-03
Anticipated expiration: 2030-03-21

Abstract

The utility model relates to a combined reflective energy-absorbing type anti-impact road traffic safety guardrail, which comprises a ground rail and a bracket, wherein the ground rail is fixedly connected with a road bed, and the lower end surface of the horizontal section of the bracket is abutted against the upper end surface of the ground rail; the support is hinged with a vertical beam, and the vertical beam is provided with a transverse bar; a limiting plate is vertically arranged on the upper end face of the tail end of the horizontal section of the bracket; the upper end of the vertical section of the support is provided with a through hole, a core column is connected in the through hole in a sliding mode, a spring part is arranged between the vertical beam and the support on the outer peripheral surface of the core column, two ends of the spring part are respectively fixedly connected with the support and the outer peripheral surface of the core column, and the core column is abutted to the vertical beam. By adopting the technical scheme, the shock resistance of the support is improved, after the vehicle collides with the safety barrier, the probability of safety accidents such as the guardrail is turned over after the vehicle collides with the safety barrier is reduced, and the safety guarantee for personnel is improved.

Description

Combined reflective energy-absorbing type anti-impact road traffic safety guardrail

Technical Field

The utility model belongs to the technical field of the technique of road rail guard and specifically relates to a combination formula reflection of light energy-absorbing type protecting against shock road traffic safety barrier is related to.

Background

In the process of road construction, safety guardrails need to be erected on two sides of a road, particularly for specific regional environments such as a river channel and a cliff on one side of the road, and the arrangement of the safety guardrails has important safety guarantee significance for vehicles running on the road. When vehicle navigating mate leads to the vehicle to drive away from road main road because of reasons such as improper driving or vehicle out of control, safety barrier's setting can block the vehicle, has greatly promoted navigating mate's safety.

The setting of current road both sides safety barrier is mostly fixed to subaerial vertical support, and each support mutual independence, each independent support pass through expansion bolts on fixed road surface, fixed horizontal bar on the support, when the vehicle dashes to the guardrail, the horizontal bar blocks the automobile body, prevents that the automobile body from dashing out the road both sides.

The above prior art solutions have the following drawbacks: in the existing safety guardrails erected on two sides of a road, when a vehicle collides with the safety guardrails, the impact force of the vehicle is completely transmitted to the safety guardrails, and the safety guardrails are displaced towards the outer side of the road, so that higher requirements are provided for the impact resistance of the safety guardrails; if the impact resistance of the safety barrier meets the requirement, the automobile is easy to turn out of the safety barrier under the inertia effect, and the life and property safety of people is threatened. There is room for improvement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a combination formula reflection of light energy-absorbing type protecting against shock road traffic safety barrier has improved safety barrier's shock resistance, has promoted the safety guarantee to personnel.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the combined type light-reflecting energy-absorbing impact-resistant road traffic safety guardrail comprises a ground rail and an L-shaped support arranged at the upper end of the ground rail, wherein the ground rail is fixedly connected with a road bed, and the lower end surface of the horizontal section of the support is abutted against the upper end surface of the ground rail; the upper end surface of the horizontal section of the bracket is hinged with a vertical beam, and the vertical beam is provided with a rail towards the vertical side surface of the main road of the road; a limiting plate is vertically arranged on the upper end face of the tail end of the horizontal section of the bracket; the upper end of the vertical section of the support is provided with a through hole of which the axis is perpendicular to the vertical section of the support, a core column is connected in the through hole in a sliding manner, a spring part is arranged between the vertical beam and the support on the outer peripheral surface of the core column, two ends of the spring part are fixedly connected with the vertical end surface of the support and the outer peripheral surface of the core column respectively, and one end of the core column, which is far away from the support, is abutted against the vertical end surface of the vertical beam, which is far away from the main road.

By adopting the technical scheme, the support is fixed on the ground rail, the vertical beam is hinged on the support, the horizontal rail is fixedly connected on the vertical beam, the vertical beam and the horizontal rail are erected on two sides of a road by the support, and the support becomes a base body of the vertical beam and the horizontal rail; the bracket is provided with a through hole, the core column is connected in the through hole in a sliding manner, one end of the core column is kept to be abutted against the vertical beam by the spring piece on the peripheral surface of the core column, and the core column supports the vertical beam; the support of the vertical beam and the butting of the vertical beam and the limiting plate by the core column enable the vertical beam to be kept vertical, and the vertical beam is limited to one side of the main road of the road. When the vehicle bumps with the rail of this guardrail, because the lower extreme of vertical roof beam is articulated with the support, so the impact of automobile body makes one side of vertical roof beam to the support rotate, stem and vertical roof beam butt support vertical roof beam, the spring body on the stem outer peripheral face cushions vertical roof beam, has absorbed the partial kinetic energy that hits, has reduced the automobile body and to the impact force of support, compares in traditional safety barrier, has reduced the accident degree that automobile body and guardrail strikeed, has promoted personnel's the security of the lives and property.

The present invention may be further configured in a preferred embodiment as: the upper end face of the ground rail is provided with a groove extending along the length direction of the ground rail, two ends of the groove penetrate through the ground rail, the side wall of the groove far away from the main road of the ground rail is provided with a sinking groove, and the sinking groove and the groove bottom of the groove are coplanar; the lower end of the bracket is provided with a T-shaped block, and the T-shaped block is inserted into the sinking groove; and an angle steel cover plate is arranged in the groove, a wing plate at one side of the angle steel cover plate presses one end, far away from the sink groove, of the T-shaped block, and a wing plate at the other side of the angle steel cover plate is connected with the ground rail through bolts.

By adopting the technical scheme, the upper end face of the ground rail is provided with the groove, the side wall of the groove far away from the main road of the road is provided with the sinking groove, the T-shaped block at the lower end of the support is inserted into the sinking groove, and the sinking groove forms limit on the support in the vertical direction; after the support is inserted into the sinking groove, an angle steel cover plate connected with a ground rail bolt is installed in the groove, and the angle steel cover plate presses a T-shaped block at the lower end of the support to limit the support in the vertical direction; through the limit of the sinking groove and the angle steel cover plate, the bracket is fixedly connected with the ground rail, and the bracket is not easy to shift on the road surface; the angle steel cover plate is large in size, one angle steel cover plate compresses tightly a plurality of supports, the stability of the safety barrier on a road bed is improved, and the impact resistance of the safety barrier is improved.

The present invention may be further configured in a preferred embodiment as: first step holes are formed in the bottoms of the grooves, and foundation bolts fixed with a road bed are arranged in the first step holes.

By adopting the technical scheme, the first stepped hole is formed at the bottom of the groove, the foundation bolt is inserted into the first stepped hole to fixedly connect the ground rail with the road bed, and the stability of the safety guardrail is greatly improved by integrally fixing the ground rail and the road bed, so that the integral impact resistance of the safety guardrail is improved; the arrangement of the first stepped hole enables the foundation bolt to be completely sunk into the groove bottom of the groove, so that the groove bottom is smooth, and the installation procedure of the safety guardrail is not influenced.

The present invention may be further configured in a preferred embodiment as: the ground rail is provided with grooves along two vertical side walls in the length direction, and the grooves penetrate through two ends of the ground rail along the length direction of the ground rail.

Through adopting above-mentioned technical scheme, set up the recess on the ground rail lateral wall, when carrying out the ground rail and laying, the trench is seted up to the road roadbed, fills cement mortar in the clearance between trench lateral wall and ground rail lateral wall behind putting the ground rail into the trench inside, and cement mortar fills in the recess, treats cement mortar sclerosis back, has promoted the firm degree of ground rail and road roadbed, and the ground rail is difficult for breaking away from the road roadbed, has promoted safety barrier's shock resistance.

The present invention may be further configured in a preferred embodiment as: the angle steel cover plate presses the upper end face of a wing plate on one side of the T-shaped block to be coplanar with the upper end face of the ground rail.

By adopting the technical scheme, after the angle steel cover plate compresses the T-shaped block of the support, the upper end face of the side wing plate of the angle steel cover plate is coplanar with the upper end face of the ground rail, the flatness of the road surfaces on two sides of the road is guaranteed, and the overall attractiveness of the road is improved.

The present invention may be further configured in a preferred embodiment as: and a rubber pad is arranged on the end face, close to the vertical beam, of the core column.

Through adopting above-mentioned technical scheme, the rubber pad that the stem was close to the one end setting of vertical roof beam has played the effect of buffering to vertical roof beam, keeps apart stem and vertical roof beam simultaneously, has reduced wearing and tearing between the two.

The present invention may be further configured in a preferred embodiment as: a rib plate is arranged between the vertical section and the horizontal section of the support and is triangular.

Through adopting above-mentioned technical scheme, the setting up of floor has promoted the overall structure intensity of support, and then has promoted the support ability of support to vertical roof beam when vertical roof beam suffers the impact, has promoted the stability of support, has promoted the holistic shock resistance of safety barrier.

The present invention may be further configured in a preferred embodiment as: and the vertical end surface of each vertical beam close to the main road of the road is provided with a reflective strip.

Through adopting above-mentioned technical scheme, the setting of reflection of light strip can reflect the light of vehicle, and under the driving condition at night, the car light of vehicle shines on the reflector plate, and the setting of reflector plate has played the effect of warning to navigating mate, has reduced the probability that vehicle and safety barrier bump, has promoted personnel's security.

To sum up, the utility model discloses following beneficial effect has:

1. through the through hole formed in the top end of the vertical section of the support, the core column is connected in the through hole in a sliding mode, the spring part is sleeved on the outer peripheral surface of the core column, when the safety guardrail is impacted by collision of a vehicle, the vertical beam with the lower end hinged to the support rotates to one side of the support, the core column is abutted to the vertical beam under the action of the spring part, the vertical beam is buffered, the impact resistance of the support is further improved, after the vehicle collides with the safety guardrail, the probability of safety accidents such as the fact that the vehicle turns out of the guardrail after colliding with the guardrail is reduced, and safety guarantee for personnel is improved;

2. the support is fixed to the ground rail, the ground rail is fixed with the road bed, after a vehicle impacts a guardrail, the vertical beam topples over towards the support, the stability of the support is improved due to the arrangement of the ground rail, meanwhile, a plurality of supports are fixedly connected to one ground rail, when one support impacts, the adjacent supports can share the impact force suffered by the supports at the impact positions due to the sharing of one ground rail, and the integral impact resistance of the guardrail is improved;

3. through the setting of angle steel apron, one side pterygoid lamina of angle steel apron compresses tightly the T type piece of support lower extreme, and the second step hole is seted up to the opposite side pterygoid lamina of angle steel apron, and the screw is with angle steel apron and ground rail fixed connection, and the setting of angle steel apron has promoted the stability of support on the ground rail, and the support is difficult for breaking away from the ground rail, and then has promoted safety barrier's shock resistance.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a side view of the present embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a partial sectional view of the present embodiment;

FIG. 5 is an enlarged view of portion B of FIG. 4;

fig. 6 is an exploded view of the present embodiment.

Reference numerals: 1. a ground rail; 11. a groove; 12. a trench; 13. sinking a groove; 14. a first stepped bore; 141. anchor bolts; 2. a support; 21. a T-shaped block; 22. a limiting plate; 23. a rib plate; 24. a through hole; 25. a stem; 251. a stem end cap; 252. a rubber pad; 26. a spring member; 3. a vertical beam; 31. a light-reflecting strip; 4. a rail; 5. an angle steel cover plate; 51. a second stepped bore; 52. and (4) screws.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the combined type light-reflecting energy-absorbing impact-proof road traffic safety guardrail disclosed by the utility model comprises a ground rail 1, wherein the ground rail 1 is a cuboid, grooves 11 are respectively arranged at the middle positions of two vertical side surfaces in the length direction of the ground rail 1, and the grooves 11 are communicated with the left end surface and the right end surface of the ground rail 1; the up end of ground rail 1 is equidistant installs many with support 2, and each support 2 is the L type, and terminal surface and ground rail 1's up end butt under support 2's the horizontal segment, and support 2's horizontal segment is close to the main road of road, and support 2's the up end tip vertical fixation of horizontal segment has limiting plate 22. The position that the up end of the horizontal segment of support 2 is close to limiting plate 22 articulates there is vertical roof beam 3, and vertical roof beam 3 is the platelike thing of cuboid, and vertical roof beam 3 is close to limiting plate 22's vertical terminal surface and limiting plate 22 butt, and vertical roof beam 3 is located between limiting plate 22 and the vertical section of support 2. The vertical beams 3 are fixed with rails 4 at the upper and lower ends of the vertical end surface facing the main road, and a reflective strip 31 is mounted on the vertical end surface of each vertical beam 3 between the two rails 4.

Referring to fig. 2 and 3, a through hole 24 is formed at one end of the vertical section of the bracket 2, which is far away from the ground rail 1, and the axis of the through hole 24 is perpendicular to the vertical section of the bracket 2. There is stem 25 in through-hole 24 sliding connection, has cup jointed spring member 26 on the outer peripheral face of stem 25, and the one end that stem 25 is close to vertical roof beam 3 is fixed with stem end cover 251, and the both ends of spring member 26 are close to the terminal surface fixed connection of support 2 in the vertical terminal surface of support 2 and stem end cover 251 respectively. A rubber pad 252 is adhered to the end face of the stem end cap 251 near the vertical beam 3, and the rubber pad 252 abuts against the vertical end face of the vertical beam 3. Ribbed plate 23 is fixed between the vertical section and the horizontal section of support 2, ribbed plate 23 is triangle-shaped, and the plane of ribbed plate 23 is perpendicular to the plane of support 2 horizontal section, and the hypotenuse terminal surface of ribbed plate 23 does not contact with the vertical terminal surface that vertical roof beam 3 kept away from the road main road.

Referring to fig. 4 and 5, a groove 12 is formed in the edge of the vertical section of the upper end surface of the ground rail 1, which is far away from the bracket 2, a sinking groove 13 is formed in the side wall of the groove 12, which is far away from the main road of the road, and the bottom of the sinking groove 13 is coplanar with the bottom of the groove 12; a first stepped hole 14 is formed at the bottom of the groove 12, and an anchor bolt 141 for fixedly connecting the ground rail 1 with a road bed is installed in the first stepped hole 14. A T-shaped block 21 is fixed on the lower end face of the support 2, and the vertical side face, far away from the vertical section of the support 2, of the T-shaped block 21 is coplanar with the vertical side face of the limiting plate 22. The T-shaped block 21 is inserted into the sinking groove 13, the anchor bolt 141 is positioned at the lower end of the T-shaped block 21, and the bottom surface of the T-shaped block 21 is abutted to the groove bottom of the groove 12 and the groove bottom of the sinking groove 13.

Referring to fig. 6, the groove 12 penetrates through the left and right end faces of the ground rail 1; an angle steel cover plate 5 is installed in the groove 12, the angle steel cover plate 5 is inserted into the groove 12, and the upper end face of the angle steel cover plate 5 is coplanar with the upper end face of the ground rail 1 (see fig. 5). A second step hole 51 is formed in one side wing plate of the angle steel cover plate 5, the other side wing plate of the angle steel cover plate 5 presses the T-shaped block 21, and a screw 52 for fixedly connecting the angle steel cover plate 5 with the ground rail 1 is screwed in the second step hole 51.

The implementation principle of the embodiment is as follows:

the road safety protective guard is arranged on two sides of a road in the road construction process, trenches are firstly arranged on two sides of the road before the protective guard is erected, the depth of each trench is larger than the height of each ground rail 1, and the width of each trench is larger than the width of each ground rail 1. Placing the ground rail 1 inside the trench, taking the foundation bolts 141 to fix the ground rail 1 on the road subgrade, pouring cement mortar into a gap between the ground rail 1 and the trench, filling the grooves 11 on two sides of the ground rail 1 with the cement mortar, and fixing the ground rail 1 and the road subgrade after the cement mortar is hardened.

After the installation of the ground rail 1 is completed, the support 2 is placed in a groove 12 provided with a sinking groove 13, a T-shaped block at the lower part of the support 2 is abutted against the side wall of one side of the groove 12 close to the main road of the road, and the bottom surface of the T-shaped block is abutted against the bottom of the groove 12; the bracket 2 is pushed to the inside of the sinking groove 13, the T-shaped block 21 at the lower end of the bracket 2 is inserted into the sinking groove 13, the angle steel cover plate 5 is clamped into the groove 12 on the upper end surface of the ground rail 1, then the screw 52 is inserted into the second step hole 51 on the angle steel cover plate 5, and the screw 52 is screwed down to fixedly connect the angle steel cover plate 5 and the ground rail 1. After the installation of a set of support 2 is to be completed, the vertical beam 3 is taken to be hinged to the support 2, the vertical end face of the vertical beam 3 close to the support 2 is abutted to the rubber pad 252 on the core column end cover 251, the lower end of the vertical end face of the support 2 far away from the vertical beam 3 is abutted to the limiting plate 22, the vertical beam 3 keeps in a vertical state, after the installation of a set of vertical beam 3 is to be completed, the cross fence 4 is taken to be fixed to the vertical end face of the vertical beam 3 facing the main road, and finally the reflective strip 31 is installed on the vertical beam 3 between the cross fences 4.

When a vehicle deviates from a main road and collides with the guardrail, the vehicle body collides against the rail 4, the rail 4 moves towards one side of the support 2, the core column 25 at the upper end of the support 2 supports the vertical beam 3 under the action of the spring part 26 at the moment, and the core column 25 buffers the vertical beam 3, so that the guardrail has the impact resistance.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Modular reflection of light energy-absorbing type protecting against shock road traffic safety barrier, characterized by: the device comprises a ground rail (1) and an L-shaped support (2) arranged at the upper end of the ground rail (1), wherein the ground rail (1) is fixedly connected with a road bed, and the lower end face of the horizontal section of the support (2) is abutted against the upper end face of the ground rail (1); the upper end face of the horizontal section of the bracket (2) is hinged with a vertical beam (3), and a horizontal rail (4) is arranged on the vertical side face of the vertical beam (3) facing the main road of the road; a limiting plate (22) is vertically arranged on the upper end face of the tail end of the horizontal section of the bracket (2); the upper end of the vertical section of the support (2) is provided with a through hole (24) of which the axis is perpendicular to the vertical section of the support (2), a core column (25) is connected in the through hole (24) in a sliding manner, the outer peripheral surface of the core column (25) is arranged on the vertical beam (3) and between the supports (2), spring parts (26) are arranged at two ends of the spring parts (26) and fixedly connected with the vertical end surface of the support (2) and the outer peripheral surface of the core column (25), and one end of the support (2) far away from the core column (25) is abutted to the vertical end surface of the vertical beam (3) far away from the main road.

2. The combined reflective energy-absorbing impact-resistant road traffic safety barrier as claimed in claim 1, wherein: the upper end face of the ground rail (1) is provided with a groove (12) extending along the length direction of the ground rail (1), two ends of the groove (12) penetrate through the ground rail (1), the side wall, away from a road main road, of the groove (12) of the ground rail (1) is provided with a sunken groove (13), and the sunken groove (13) and the groove bottom of the groove (12) are coplanar; the lower end of the bracket (2) is provided with a T-shaped block (21), and the T-shaped block (21) is inserted into the sinking groove (13); an angle steel cover plate (5) is arranged in the groove (12), a wing plate on one side of the angle steel cover plate (5) presses one end, far away from the sink groove (13), of the T-shaped block (21), and a wing plate on the other side of the angle steel cover plate (5) is connected with the ground rail (1) through bolts.

3. The combined reflective energy-absorbing impact-resistant road traffic safety barrier as claimed in claim 2, wherein: first step holes (14) are formed in the bottoms of the grooves (12), and anchor bolts (141) fixed with a road bed are arranged in the first step holes (14).

4. The combined reflective energy-absorbing impact-resistant road traffic safety barrier as claimed in claim 1, wherein: the ground rail (1) is provided with grooves (11) along two vertical side walls in the length direction, and the grooves (11) penetrate through two ends of the ground rail (1) in the length direction of the ground rail (1).

5. The combined reflective energy-absorbing impact-resistant road traffic safety barrier as claimed in claim 2, wherein: the angle steel cover plate (5) presses the upper end face of a wing plate on one side of the T-shaped block (21) to be coplanar with the upper end face of the ground rail (1).

6. The combined reflective energy-absorbing impact-resistant road traffic safety barrier as claimed in claim 1, wherein: and a rubber pad (252) is arranged on the end face, close to the vertical beam (3), of the core column (25).

7. The combined reflective energy-absorbing impact-resistant road traffic safety barrier as claimed in claim 1, wherein: a rib plate (23) is arranged between the vertical section and the horizontal section of the support (2), and the rib plate (23) is triangular.

8. The combined reflective energy-absorbing impact-resistant road traffic safety barrier as claimed in claim 1, wherein: and the vertical end surface of each vertical beam (3) close to the main road of the road is provided with a reflective strip (31).