CN212426746U - Novel safety barrier structure for highway bridge - Google Patents

Abstract

The utility model relates to a safety barrier technical field especially relates to a novel safety barrier structure for public road bridge roof beam, include: the guardrail comprises protective piers, upper guardrail plates and lower guardrail plates, wherein the protective piers, the upper guardrail plates and the lower guardrail plates are arranged on the side edges of the highway bridge at intervals, the lower guardrail plates are parallel to the upper guardrail plates at intervals, a plurality of sliding grooves are formed in the inner side surfaces of the upper guardrail plates and the inner side surfaces of the lower guardrail plates at intervals, a supporting groove is formed in the bottom of each sliding groove, a sliding block is arranged in each sliding groove in a sliding mode, an elastic piece is fixedly arranged in each supporting groove, and the elastic pieces are connected and fixed with the sliding; the sliding blocks positioned on the upper guardrail plate and the lower guardrail plate are arranged in a one-to-one corresponding mode, a fixed shaft is arranged between the two corresponding sliding blocks, and the fixed shaft is rotatably provided with a buffer roller. The utility model discloses a but set up relative pivoted fixed axle and buffer roller for safety barrier forms cushioning effect to the vehicle, guarantees personnel's safety in the vehicle to the at utmost, and reduces the impaired degree of vehicle.

Description

Novel safety barrier structure for highway bridge

Technical Field

The utility model relates to a safety barrier technical field especially relates to a novel safety barrier structure for public road bridge roof beam.

Background

The highway bridge is a highway erected in the air, does not occupy the ground for passing, and therefore can fully improve the urban commuting efficiency.

When the vehicle travels, many factors can lead to the vehicle to be unexpected and deviate the track of traveling, in order to avoid the vehicle to deviate the track of traveling and smash down from the air behind rushing out the highway bridge, need set up the safety barrier structure in the both sides of highway bridge, can reduce the impaired degree of vehicle on the one hand, on the other hand can effectively protect pedestrian and the vehicle below the highway bridge.

A highway bridge guard rail disclosed in chinese patent No. CN209760022U, comprising: prevent mound and protection railing, prevent that the mound includes bottom bearing structure and top protects the mound, the whole frame type structure that forms through steel bar welding of bottom bearing structure, the top protects and is equipped with trapezoidal steel sheet in the mound, trapezoidal steel sheet is connected with bottom bearing structure to as an organic whole through concrete placement, trapezoidal steel sheet bottom still is equipped with the horizontal strengthening rib that increases trapezoidal steel sheet and bottom bearing structure and build the back and stabilize, trapezoidal steel sheet front end is equipped with the screw hole, and installs anticollision piece, the side is equipped with the through hole.

However, the existing highway bridge guardrail is of a rigid structure, and when a vehicle collides with the guardrail, the guardrail has no buffer force, so that the vehicle is seriously damaged; therefore, further improvement can be made.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel safety barrier structure for public road bridge roof beam is through setting up relative pivoted fixed axle and buffer roller for safety barrier forms cushioning effect to the vehicle, guarantees personnel's safety in the vehicle to the at utmost to and reduce the impaired degree of vehicle.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a novel highway is safety barrier structure for bridge, includes: the road bridge comprises protection piers arranged on the side edge of a road bridge at intervals, upper guardrail plates and lower guardrail plates which are parallel to the upper guardrail plates and are arranged at intervals, wherein a plurality of sliding grooves arranged at intervals are formed in the inner side surface of each upper guardrail plate and the inner side surface of each lower guardrail plate, a supporting groove is formed in the bottom of each sliding groove, a sliding block is arranged in each sliding groove in a sliding mode, an elastic piece is fixedly arranged in each supporting groove, and the elastic pieces are connected and fixed with the sliding blocks; the sliding blocks positioned on the upper guardrail plate and the sliding blocks positioned on the lower guardrail plate are arranged in a one-to-one corresponding mode, a fixed shaft is arranged between each two corresponding sliding blocks, and a buffer roller is rotatably arranged on each fixed shaft.

By adopting the technical scheme, when a vehicle collides with the safety guardrail structure, the impact force of the vehicle acts on the fixed shaft through the buffer roller, and the fixed shaft can effectively buffer the impact force of the vehicle; in addition, relative rotation between buffer drum and the fixed axle can convert the impact of vehicle into the turning force of buffer drum, furthest guarantees personnel's safety in the vehicle to and reduce the impaired degree of vehicle.

The present invention may be further configured in a preferred embodiment as: the outer side surface of the buffer roller is wrapped with a sponge layer.

Through adopting above-mentioned technical scheme, the sponge layer has certain elastic buffer power for the sponge layer can absorb certain impact, can guarantee personnel's in the vehicle safety to the at utmost, and reduce the impaired degree of vehicle.

The present invention may be further configured in a preferred embodiment as: and a light reflecting layer is arranged on the outer side surface of the sponge layer.

Through adopting above-mentioned technical scheme, the reflector layer can remind vehicle driver to pay attention to the safety barrier in both sides at night driving in-process.

The present invention may be further configured in a preferred embodiment as: the chute is arranged obliquely forward in the vehicle traveling direction.

Through adopting above-mentioned technical scheme, the spout is the slant and arranges and can reduce the sliding friction between slider and the spout.

The present invention may be further configured in a preferred embodiment as: the included angle between the extending direction of the sliding chute and the driving direction of the vehicle is 45 degrees.

Through adopting above-mentioned technical scheme, the contained angle between spout extending direction and the vehicle direction of travel can reduce the sliding friction between slider and the spout when being 45 degrees.

The present invention may be further configured in a preferred embodiment as: the distance between the axis of the fixed shaft and the inner side surface of the upper guardrail plate is smaller than the radius of the buffer roller.

Through adopting above-mentioned technical scheme, buffer roller bulges under conventional state and goes up the medial surface of guardrail board and the medial surface of guardrail board down to when making vehicle and safety barrier bump, the vehicle contacts with buffer roller earlier, avoids the vehicle directly to collide with last guardrail board and lower guardrail board contact.

The present invention may be further configured in a preferred embodiment as: the protection pier is formed by integrally pouring reinforced concrete.

Through adopting above-mentioned technical scheme, the fashioned protection mound of reinforced concrete integrative casting has better stability for safety barrier is more stable.

The present invention may be further configured in a preferred embodiment as: the upper guardrail plate is provided with vehicle distance confirmation notice boards arranged at equal intervals.

By adopting the technical scheme, the vehicle distance confirmation prompt board can assist a vehicle driver to confirm the distance from the front vehicle and reduce the possibility of rear-end collision with the front vehicle.

The utility model adopts the above technical scheme, its beneficial effect lies in:

1. the impact force of the vehicle acts on the fixed shaft through the buffer roller, and the fixed shaft can effectively buffer the impact force of the vehicle;

2. the buffer roller and the fixed shaft rotate relatively, so that the impact force of the vehicle can be converted into the steering force of the buffer roller, the safety of personnel in the vehicle is ensured to the greatest extent, and the damage degree of the vehicle is reduced;

3. the sponge layer has certain elastic buffering power for the sponge layer can absorb certain impact, can guarantee personnel's safety in the vehicle to the at utmost, and reduce the impaired degree of vehicle.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

In the figure, 1, a protective pier; 2. an upper guardrail plate; 3. a lower guardrail plate; 4. a chute; 41. a support groove; 42. a slider; 43. an elastic member; 5. a fixed shaft; 51. a buffer roller; 52. a sponge layer; 53. a light-reflecting layer; 6. vehicle distance confirmation notice board.

Detailed Description

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

Referring to the attached figure 1, a novel safety barrier structure for public road bridge roof beam includes: the protective pier comprises a protective pier 1, an upper guardrail plate 2 and a lower guardrail plate 3 which are integrally cast and formed by reinforced concrete, wherein the protective pier 1 is arranged on the side edge of a highway bridge at equal intervals, and the upper guardrail plate 2 and the lower guardrail plate 3 are arranged in parallel at intervals; go up guardrail board 2 fixed mounting at the top of protection mound 1 inboard, lower guardrail board 3 fixed mounting is in the bottom of protection mound 1 inboard to form the safety barrier structure on the side of highway bridge.

In this embodiment, a plurality of spouts 4 have all been seted up to the medial surface of going up guardrail board 2 and the medial surface of guardrail board 3 down, the extending direction equidistance interval arrangement of spout 4 edge last guardrail board 2 that is located on guardrail board 2, the extending direction equidistance interval arrangement of spout 4 edge lower guardrail board 3 that is located on lower guardrail board 3, and be located spout 4 on last guardrail board 2 and be located the corresponding setting of spout 4 one-to-one on the lower guardrail board 3, namely, two spouts 4 of corresponding setting are located the not co-altitude position department on same vertical line.

Each sliding slot 4 is provided with a sliding block 42, and the outer contour of the sliding block 42 is matched with the inner contour of the sliding slot 4, so that each sliding block 42 can slide in the corresponding sliding slot 4.

Referring to fig. 1 and 2, a supporting groove 41 with a circular cross section is formed at the bottom of each sliding groove 4, an elastic member 43 is arranged in each supporting groove 41, and the elastic member 43 in this embodiment is a compression spring; the bottom end of the elastic piece 43 is connected and fixed with the bottom of the supporting groove 41, the top end of the elastic piece 43 extends to expose out of the supporting groove 41, and the top end of each elastic piece 43 is connected with the sliding block 42 positioned in the same sliding groove 4, so that the sliding block 42 has certain elastic buffering force when sliding in the sliding groove 4.

Because spout 4 on the last guardrail board 2 sets up with spout 4 one-to-one on the guardrail board 3 down for slider 42 that is located on last guardrail board 2 sets up with slider 42 one-to-one on the guardrail board 3 down, in this embodiment, all be equipped with a fixed axle 5 between two sliders 42 that set up correspondingly, fixed axle 5 is vertical arrangement, and the both ends of fixed axle 5 respectively with two sliders 42 welded fastening of corresponding setting, make fixed axle 5 have certain elastic buffer power.

The fixed shaft 5 is provided with a buffer roller 51 made of plastic material, the buffer roller 51 is in a hollow cylindrical structure, and the buffer roller 51 is sleeved on the outer peripheral surface of the fixed shaft 5, so that the buffer roller 51 and the fixed shaft 5 can rotate relatively.

When a vehicle deviates from a running track and collides with a safety guardrail structure positioned at the side edge of a highway bridge, the impact force of the vehicle acts on the fixed shaft 5 through the buffer roller 51, and the fixed shaft 5 has certain elastic buffer force, so that the impact force of the vehicle can be effectively buffered; in addition, because the buffer roller 51 and the fixed shaft 5 can rotate relatively, the impact force of the vehicle can be converted into the steering force of the buffer roller 51, the safety of people in the vehicle can be ensured to the maximum extent, and the damage degree of the vehicle can be reduced.

In this embodiment, the outer side surface of the buffer roller 51 is wrapped by a sponge layer 52, and the sponge layer 52 has certain elastic buffering force, so that the sponge layer 52 can absorb certain impact force, the safety of personnel in the vehicle can be ensured to the greatest extent, and the damage degree of the vehicle is reduced.

In this embodiment, the lateral surface of sponge layer 52 is provided with reflector layer 53 through sticky mode, and reflector layer 53 can remind vehicle driver to drive the in-process at night and notice the safety barrier in both sides.

In the present embodiment, the chute 4 is disposed obliquely in the vehicle traveling direction and in the direction away from the road bridge, and the angle between the extending direction of the chute 4 and the traveling direction of the vehicle is 45 degrees.

In this embodiment, the distance between the axis of the fixed shaft 5 and the inner side surface of the upper guardrail plate 2 is smaller than the radius of the buffer roller 51, so that the buffer roller 51 protrudes out of the inner side surface of the upper guardrail plate 2 and the inner side surface of the lower guardrail plate 3 in a conventional state, and when a vehicle collides with a safety guardrail, the vehicle contacts with the buffer roller 51 first, and the vehicle is prevented from directly contacting and colliding with the upper guardrail plate 2 and the lower guardrail plate 3.

In the present embodiment, the upper guardrail plate 2 is provided with the vehicle distance confirmation notice plates 6 arranged at equal intervals, and the vehicle distance confirmation notice plates 6 can assist the vehicle driver to confirm the distance from the front vehicle, so that the possibility of rear-end collision with the front vehicle is reduced.

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 (8)

1. The utility model provides a novel highway is safety barrier structure for bridge, includes: the road bridge guardrail comprises protective piers (1) arranged on the side edge of a road bridge at intervals, upper guardrail plates (2) and lower guardrail plates (3) arranged in parallel with the upper guardrail plates (2) at intervals, and is characterized in that a plurality of sliding grooves (4) arranged at intervals are formed in the inner side faces of the upper guardrail plates (2) and the inner side faces of the lower guardrail plates (3), a supporting groove (41) is formed in the bottom of each sliding groove (4), a sliding block (42) is arranged in each sliding groove (4) in a sliding manner, an elastic piece (43) is fixedly arranged in each supporting groove (41), and the elastic pieces (43) are connected and fixed with the sliding blocks (42); the sliding blocks (42) on the upper guardrail plate (2) and the sliding blocks (42) on the lower guardrail plate (3) are arranged in a one-to-one corresponding mode, a fixed shaft (5) is arranged between every two corresponding sliding blocks (42), and a buffer roller (51) is rotatably arranged on the fixed shaft (5).

2. The safety fence structure for the highway bridges as claimed in claim 1, wherein the buffer roller (51) is wrapped with a sponge layer (52) on the outer side.

3. The safety barrier structure for the highway bridge according to the claim 2, wherein the sponge layer (52) is provided with a reflective layer (53) on the outer side.

4. The structure of a new road bridge safety barrier according to claim 1, wherein the chute (4) is arranged diagonally forward in the direction of vehicle travel.

5. The safety fence structure for the highway bridge according to claim 4, characterized in that the included angle between the extending direction of the sliding chute (4) and the driving direction of the vehicle is 45 degrees.

6. The safety fence structure for the highway bridges as claimed in claim 1, wherein the distance between the axis of the fixed shaft (5) and the inner side surface of the upper guardrail plate (2) is smaller than the radius of the buffer roller (51).

7. The novel safety barrier structure for the highway bridge according to claim 1, wherein the protective pier (1) is integrally cast and formed by reinforced concrete.

8. The structure of a new road and bridge safety barrier according to claim 1, wherein the upper barrier plate (2) is provided with vehicle distance confirmation notice plates (6) arranged at equal intervals.

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