CN218479044U

CN218479044U - Anti-collision guardrail for highway bridge

Info

Publication number: CN218479044U
Application number: CN202222836938.XU
Authority: CN
Inventors: 李忠泉; 崔菲; 谢从明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-14
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a public road bridge is anticollision barrier for roof beam, including the stand, the inside of stand is provided with stem in the absorbing buffering, and the connecting rod is installed to the joint between the stand, and the inside of connecting rod is provided with the buffering area of anticollision usefulness. The utility model discloses can solve present rail guard and be individual layer face structure usually, the face easily produces large area deformation behind the direct striking of vehicle, the cracked condition of face appears in the serious person, leads to the vehicle directly to hit way (bridge) face, and the crashproof effect is relatively poor, and the security performance is not enough, and present rail guard is mostly the structure of an organic whole, need whole change when changing it usually, the higher scheduling problem of maintenance cost.

Description

Anti-collision guardrail for highway bridge

[ technical field ] A method for producing a semiconductor device

The utility model relates to a public road bridge roof beam protective apparatus technical field, in particular to public road bridge roof beam is with anticollision barrier.

[ background of the invention ]

The highway bridge engineering refers to the whole work of planning, designing, constructing, maintaining, repairing and the like of structures of a highway across water areas, valleys and all traffic channels. The bridge guardrail is a guardrail arranged on a bridge, and aims to prevent an out-of-control vehicle from crossing the bridge, so that the guardrail is indispensable when a bridge is built on a highway.

Present rail guard is single-deck face structure usually, and the face easily produces large area deformation after the vehicle directly strikes, and the cracked condition of face appears in serious person, leads to the vehicle to directly strike out road (bridge) face, and the crashproof effect is relatively poor, and the security performance is not enough, and present rail guard is mostly the structure of an organic whole, need whole change when changing it, and maintenance cost is higher.

[ Utility model ] content

The utility model provides a highway is anticollision barrier for bridge, possess the beneficial effect of multiple interception, it is individual layer face structure usually to have solved present rail guard mentioned among the above-mentioned background art, the face easily produces large area deformation after the direct striking of vehicle, the cracked condition of face appears in the serious person, lead to the vehicle directly to hit way (bridge) face, the anticollision effect is relatively poor, the security performance is not enough, and present rail guard is mostly the structure of an organic whole, generally need whole change when changing it, the higher problem of maintenance cost.

The utility model provides a following technical scheme: the utility model provides a public road bridge is anticollision barrier for roof beam, includes the stand, and the inside of stand is provided with the interior stem of absorbing buffering, and the connecting rod is installed to the joint between the stand, and the inside of connecting rod is provided with the buffering area of anticollision usefulness.

Buffering inner core post includes built-in post, and the outside parcel of built-in post has the rubber sleeve, has seted up the cushion chamber on the rubber sleeve, and the cushion chamber pours into there is the buffer solution, and the rubber sleeve cover is equipped with the metal thin layer, and the setting of metal thin layer is to the outside damage prevention effect that plays of rubber sleeve, probably leads to rubber sleeve surface local wear because of the striking speed is too fast when the foreign object directly strikes the rubber sleeve, and the condition of rubber sleeve surface wear has been avoided in the setting of metal thin layer.

The buffer zone includes the fender rod, and the slip is provided with the fender rod around between the joint piece, and the inside intermediate layer of fender rod is provided with the steel wire and weaves the banded wire net that forms, and the setting of banded wire net has avoided the fender rod directly to be hit into the condition of two sections, has guaranteed that even serious fender rod warp, banded wire net intercept all the time to the foreign object that the striking comes, is connected with the built-in spring of reset action between the rear end of fender rod and the elastic webbing, and the elastic webbing is installed inside the connecting rod.

Preferably, the stand includes hollow post, and the buffering inner core post agrees with the embedding in the inside of hollow post, and the base is installed to the lower extreme of hollow post, through connecting piece fixed connection between base and the ground, and the handrail is installed to the upper end of hollow post, and the joint groove is installed from last symmetry down in both ends about the hollow post.

Preferably, hollow column includes rear side parcel frame, and the front end embedding of rear side parcel frame has the arc frame, and the two is releasable connection, and the convenience is taken out buffering inner core post, and the rubber layer has been laid to the preceding terminal surface of arc frame, plays the effect of certain buffering.

Preferably, the rear end of the arc-shaped frame is provided with an embedding block, and the embedding block made of rubber is embedded into an embedding groove formed in the front end of the rear side wrapping frame, so that the tight engagement degree of the clamping connection between the embedding block and the rubber is improved.

Preferably, through holes for fixed mounting are uniformly formed in the edge of the chassis at the lower end of the base along the circumferential direction of the chassis, and the handrail is of a spherical structure.

Preferably, the connecting rod includes U type metal frame, and the joint piece is installed at both ends about U type metal frame, installs the elastic webbing between the joint piece middle part, and the elastic webbing plays the effect of certain interception to the foreign object that hits, and joint piece joint is on the joint groove, and the two is removable joint connection, damages when stand or one of connecting rod, can pull down it alone.

As the buffer layer has been laid to the front end of fender rod, posts yellow warning strip on the buffer layer for warn pedestrian and vehicle of passing by.

The utility model discloses possess following beneficial effect:

1. the utility model relates to a highway is anticollision barrier for bridge adopts removable connected mode each other, has reduced the cost of maintenance in later stage, to the anticollision problem, adopts the interception mode of rigid interception, the integration of buffering formula interception to deal with the striking of foreign object, compares in the single-layer face structure of current list thin, and the anticollision effect promotes, has reduced the broken condition of face that leads to of foreign object striking greatly;

2. the utility model relates to a highway is anticollision barrier for bridge, the inside embedding of stand is provided with the interior stem of buffering, when maintaining original hard interception, adds the flexible characteristic of rubber sleeve, buffer solution and carries out buffering formula protection, has improved the interception effect;

3. a highway is anticollision barrier for bridge, the inside buffering area that adds of connecting rod to constitute multilayer buffer structure, and the inside banding wire net that sets up has avoided the direct cracked condition of fender rod, has avoided the condition that the vehicle hit out way (bridge) face.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the steel strip mesh of the present invention;

fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 2 according to the present invention.

In the figure: 1. a column; 11. a hollow column; 12. a base; 13. a handrail; 14. a clamping groove; 111. a rear wrapping frame; 112. an arc-shaped frame; 113. a rubber layer; 2. buffering the inner core column; 21. a built-in column; 22. a rubber sleeve; 23. a buffer chamber; 24. a thin metal layer; 3. a connecting rod; 31. a U-shaped metal frame; 32. a clamping block; 4. a buffer zone; 41. a guard bar; 42. a strip-shaped steel wire mesh; 43. an elastic band; 44. a built-in spring.

[ detailed description ] A

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

Referring to fig. 1-4, an anti-collision guardrail for a highway bridge comprises upright columns 1, a damping buffering inner core column 2 is arranged inside the upright columns 1, connecting rods 3 are clamped between the upright columns 1, and a buffering belt 4 for collision prevention is arranged inside the connecting rods 3.

Stand 1 includes hollow post 11, and 2 agrees with the embedding of buffering inner core post in hollow post 11's inside, and base 12 is installed to the lower extreme of hollow post 11, through connecting piece fixed connection between base 12 and the ground, handrail 13 is installed to the upper end of hollow post 11, and joint groove 14 is installed from last down symmetry in both ends about hollow post 11, the through-hole that is used for fixed mounting is evenly offered along its circumference in the lower extreme chassis edge of base 12, and handrail 13 is the spheroid structure.

Hollow post 11 includes rear side parcel frame 111, and the embedding of the front end of rear side parcel frame 111 has arc frame 112, and the two is releasable connection, conveniently takes out stem 2 in the buffering, and rubber layer 113 has been laid to the preceding terminal surface of arc frame 112, plays the effect of certain buffering, the rear end of arc frame 112 is provided with embedding piece 114, and the insertible piece 114 of rubber material has improved the inseparable degree of agreeing with of the two joint in the embedded groove of rear side parcel frame 111 front end seting up.

The utility model discloses a buffer inner core post 2 is including built-in post 21, the outside parcel of built-in post 21 has rubber sleeve 22, cushion chamber 23 has been seted up on the rubber sleeve 22, cushion chamber 23 pours into there is the buffer solution, rubber sleeve 22 cover is equipped with metal lamella 24, the setting of metal lamella 24 is to the outside damage prevention effect that plays of rubber sleeve 22, probably lead to rubber sleeve 22 surface local wear because of the striking speed is too fast when the foreign object directly strikes rubber sleeve 22, and the condition of rubber sleeve 22 surface wear has been avoided in the setting of metal lamella 24, concrete during operation, after the foreign object strikes on stand 1, after 11 front end parts of hollow post hit the bits of broken glass or warp, rubber sleeve 22 in the inner core post 2 through the buffering, the flexible characteristic of buffer solution carries out buffering formula speed reduction to the foreign object.

The connecting rod 3 comprises a U-shaped metal frame 31, clamping blocks 32 are installed at the left end and the right end of the U-shaped metal frame 31, an elastic belt 43 is installed between the middle parts of the clamping blocks 32, the elastic belt 43 plays a certain role in intercepting impacted foreign objects, the clamping blocks (32) are clamped on the clamping grooves 14, the clamping blocks and the clamping grooves are detachably clamped and connected, and when one of the upright posts or the connecting rod is damaged, the upright post or the connecting rod can be detached independently.

The buffer zone 4 comprises a protection rod 41, the protection rod 41 is arranged between the clamping blocks 32 in a sliding mode back and forth, an inner interlayer of the protection rod 41 is provided with a strip-shaped steel wire mesh 42 formed by weaving steel wires, the strip-shaped steel wire mesh 42 is arranged, the situation that the protection rod 41 is directly impacted into two sections is avoided, even if the protection rod 41 is seriously deformed, the strip-shaped steel wire mesh 42 always intercepts impacted foreign matters, a built-in spring 44 with a resetting effect is connected between the rear end of the protection rod 41 and the elastic band 43, the elastic band 43 is installed inside the connecting rod 3, a buffer layer is laid at the front end of the protection rod 41, a yellow warning strip is pasted on the buffer layer and used for warning passing pedestrians and vehicles, during specific work, the foreign matter impact is intercepted in a first-resisting mode through the protection rod 41 and the connecting rod 3, and after the protection rod 41 and the connecting rod 3 are deformed, the impact force is further counteracted by the internally arranged elastic band 43 and the built-in spring 44, and the effect of secondary elastic interception is achieved.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but is described in the embodiments and the description only to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a public road bridge is with anticollision barrier, includes stand (1), its characterized in that: a damping buffering inner core column (2) is arranged inside the upright columns (1), connecting rods (3) are clamped and mounted between the upright columns (1), and a buffering belt (4) for collision prevention is arranged inside the connecting rods (3);

the buffer inner core column (2) comprises a built-in column (21), a rubber sleeve (22) wraps the outside of the built-in column (21), a buffer cavity (23) is formed in the rubber sleeve (22), buffer solution is injected into the buffer cavity (23), and a metal thin layer (24) is sleeved on the rubber sleeve (22);

buffer band (4) are including fender rod (41), and the front and back slip is provided with fender rod (41) between joint piece (32), and the inside intermediate layer of fender rod (41) is provided with banded wire net (42) that the steel wire was woven and is formed, is connected with built-in spring (44) of reset effect between the rear end of fender rod (41) and elastic webbing (43), and elastic webbing (43) are installed inside connecting rod (3).

2. The anti-collision guardrail for the road bridge as claimed in claim 1, wherein: stand (1) including hollow post (11), buffering inner core post (2) agree with the embedding in the inside of hollow post (11), and base (12) are installed to the lower extreme of hollow post (11), and handrail (13) are installed to the upper end of hollow post (11), and joint groove (14) are installed from last down symmetry in both ends about hollow post (11), and joint piece (32) joint is on joint groove (14).

3. The anti-collision guardrail for the road and bridge as claimed in claim 2, wherein: the hollow column (11) comprises a rear wrapping frame (111), an arc-shaped frame (112) is embedded into the front end of the rear wrapping frame (111), and a rubber layer (113) is laid on the front end face of the arc-shaped frame (112).

4. The anti-collision guardrail for the road and bridge as claimed in claim 3, wherein: the rear end of the arc-shaped frame (112) is provided with an embedded block (114), and the embedded block (114) made of rubber is embedded into an embedded groove formed in the front end of the rear wrapping frame (111).

5. The anti-collision guardrail for the road bridge as claimed in claim 2, wherein: through holes for fixed installation are uniformly formed in the edge of the lower end chassis of the base (12) along the circumferential direction of the lower end chassis, and the handrail (13) is of a spherical structure.

6. The anti-collision guardrail for the road bridge as claimed in claim 1, wherein: connecting rod (3) include U type metal frame (31), and joint piece (32) are installed at both ends about U type metal frame (31), and joint piece (32) joint is installed elastic webbing (43) on the lateral wall of stand (1) between joint piece (32) middle part.

7. The anti-collision guardrail for the road and bridge as claimed in claim 1, wherein: a buffer layer is laid at the front end of the protection rod (41), and a yellow warning strip is pasted on the buffer layer.