CN111236066A

CN111236066A - Anti-collision energy-consumption fence for viaduct

Info

Publication number: CN111236066A
Application number: CN202010224704.2A
Authority: CN
Inventors: 张延年; 胡博夫; 吴献
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-06-05

Abstract

The invention discloses an anti-collision energy-consumption fence for a viaduct, which comprises a viaduct bridge floor, a built-in steel plate, a threaded steel bar, a reserved threaded hole, an elastic anti-collision plate A, an elastic anti-collision plate B, a steel bar groove, a damping piece, a steel sheet, an energy-consumption spring, a fixing rib, a rectangular connecting groove, a rubber cushion layer, a U-shaped fence shell, a self-tapping screw, a high-strength bolt and a reserved bolt hole; the invention is arranged at two sides of the viaduct, replaces a reinforced concrete structure, adopts an elastic material, is internally provided with a rubber layer and an energy dissipation spring, and is used for dissipating energy and preventing collision, the whole structure is fixed on a reinforcing steel bar, the reinforcing steel bar is fixed with an internally provided steel plate of a bridge floor, the structure connection is reliable, the safety performance is high, and when collision occurs, the whole structure generates a section of displacement under the action of the energy dissipation spring and the rubber and also buffers the energy generated by the collision to damage vehicles and human bodies; the invention has convenient connection, safety and reliability, and is suitable for the technical field of bridges, in particular to the integrated development of bridge fences.

Description

Anti-collision energy-consumption fence for viaduct

Technical Field

The invention relates to a fence, in particular to an anti-collision energy-consumption fence for a viaduct.

Background

The guardrail is visible everywhere, plays protection, isolation effect, the overpass is widely used by the city because the convenience of its use, and the safety measure on the overpass is the focus problem that we should pay attention to all the time, the maintenance facility of vehicle on the overpass is more important when bumping into, traditional steel reinforced concrete rail structure though can guarantee that the vehicle makes it can not drop under the bridge and take place bigger incident on the bridge, but comparatively serious to the loss of vehicle, great collision more can bring life threat to people, so research a antidetonation power consumption's rail device can further solve this problem.

Disclosure of Invention

The invention aims to provide an anti-collision energy-consumption fence for a viaduct, which has a simple structure, can effectively consume energy generated during vehicle collision, and reduces the damage to vehicles and people.

In order to solve the problems in the prior art, the invention adopts the technical scheme that:

an anti-collision energy-consumption fence for a viaduct comprises a viaduct deck, an elastic anti-collision plate A, an elastic anti-collision plate B, a damping piece, a steel sheet, an energy-consumption spring, a rubber cushion layer, a U-shaped fence shell and self-tapping screws; the built-in steel plates are arranged in the interior of the viaduct deck, reserved threaded holes with the same position are correspondingly arranged on the viaduct deck and the built-in steel plates, the reserved threaded holes are arranged in the crossing mode on the viaduct deck and the built-in steel plates, and each corresponding reserved threaded hole is screwed with a threaded steel bar to be arranged into two rows of threaded steel bars; reinforcing steel bar grooves are arranged on the reserved threaded holes and the elastic anti-collision plate A and are matched with the threaded steel bars, so that the elastic anti-collision plate A and the elastic anti-collision plate B are arranged on the two rows of threaded steel bars, and the elastic anti-collision plate A and the elastic anti-collision plate B are correspondingly arranged on one side close to the vehicle and one side far away from the vehicle respectively; the four damping pieces are uniformly arranged, the steel sheet and the energy dissipation spring are arranged in each damping piece, the fixing ribs are arranged on two sides of the bottom of each damping piece, the fixing ribs on two sides are fixed on the elastic anti-collision plate A through self-tapping screws, and three self-tapping screws are arranged on the fixing ribs on each side in the vertical direction and connected with the elastic anti-collision plate A; a rectangular connecting groove is arranged in the middle of the other side of the damping piece; three reserved bolt holes are uniformly arranged on the surface of the steel sheet, and the energy dissipation spring is arranged between the steel sheet and the other side of the damping piece; be provided with the rubber cushion layer between the adjacent shock attenuation piece, U type rail shell upper surface correspond the rectangular spread groove position on the shock attenuation piece and evenly arrange and reserve the bolt hole, make the reservation bolt hole between U type rail shell and the inside steel sheet of shock attenuation piece correspond each other.

Further, the arrangement position of the shock absorbing pieces corresponds to the first row of the threaded steel bars.

Furthermore, the position of the first row of the threaded steel bars corresponds to the central position between two adjacent threaded steel bars of the second row and corresponds to the middle position of the elastic anti-collision plate B.

Further, the U-shaped enclosure is of a concrete structure.

The invention has the advantages and beneficial effects that:

the anti-collision energy-consumption fence for the viaduct is arranged on two sides of the viaduct, replaces a reinforced concrete structure, adopts an elastic material, is internally provided with a rubber layer and an energy-consumption spring, and is used for energy consumption and anti-collision, the whole structure is fixed on a steel bar, the steel bar is fixed with an internally-arranged steel plate of a bridge floor, the structure is simple in structure, the structural connection is reliable, the safety performance is high, when collision occurs, the whole structure generates a section of displacement under the action of the energy-consumption spring and the rubber and also buffers the damage of the energy generated by the collision to vehicles and human bodies, and a large amount of energy generated by the collision can; the three-layer damping energy dissipation device is convenient and fast to connect, high in safety performance, firm in structure and free of damage to the bridge deck, the three layers of damping energy dissipation devices can be matched with each other to play a role, the original shape can be automatically recovered after deformation occurs, meanwhile, a steel-concrete structure is replaced, and a large amount of materials can be saved.

Drawings

Fig. 1 is a front view of an anti-collision energy-consuming fence for a viaduct of the present invention;

fig. 2 is a front view structural diagram of an anti-collision energy-consuming fence for a viaduct;

fig. 3 is a front view structural view of the built-in steel plate (2) and the twisted steel bar (3);

FIG. 4 is a top view of an elevated deck (1);

FIG. 5 is a cross-sectional view of the structure of FIG. 2A-A;

fig. 6 is a left side view of an anti-collision energy-consuming fence for a viaduct of the present invention;

FIG. 7 is a top view of the shock absorbing member (8) attached to the surrounding structure;

FIG. 8 is a top view of the shock absorbing member (8);

FIG. 9 is a side view of the shock absorbing member (8);

fig. 10 is a plan view of the elastic impact plate B (6).

In the figure: the steel plate type high-strength steel bridge comprises an elevated bridge floor 1, a built-in steel plate 2, a threaded steel bar 3, a reserved threaded hole 4, an elastic anti-collision plate A5, an elastic anti-collision plate B6, a steel bar groove 7, a damping piece 8, a steel sheet 9, an energy dissipation spring 10, a fixing rib 11, a rectangular connecting groove 12, a rubber cushion layer 13, a U-shaped fence shell 14, a self-tapping screw 15, a high-strength bolt 16 and a reserved bolt hole 17.

Detailed Description

In order to further illustrate the present invention, the following detailed description of the present invention is given with reference to the accompanying drawings and examples, which should not be construed as limiting the scope of the present invention.

As shown in fig. 1 and 2, the anti-collision energy-consumption fence for the viaduct of the invention comprises a shock absorption structure and two layers of elastic anti-collision plates, and has multiple shock absorption effects. The anti-collision device comprises an elevated bridge deck 1, an elastic anti-collision plate A5, an elastic anti-collision plate B6, a shock absorption piece 8, a steel sheet 9, an energy dissipation spring 10, a rubber cushion layer 13, a U-shaped enclosure shell 14 and a self-tapping screw 15. As shown in fig. 3 and 4, a pre-buried built-in steel plate 2 is arranged inside the elevated bridge deck 1, reserved threaded holes 4 with the same position are correspondingly arranged on the elevated bridge deck 1 and the built-in steel plate 2, the reserved threaded holes 4 are arranged in a crossed manner on the elevated bridge deck 1 and the built-in steel plate 2, and a threaded steel bar 3 is screwed into each corresponding reserved threaded hole 4 and arranged into two rows of threaded steel bars 3. As shown in fig. 5 and 10, the steel bar groove 7 is arranged on each of the reserved threaded hole 4 and the elastic impact preventing plate a5, the steel bar groove 7 is engaged with the threaded steel bar 3, so that the elastic impact preventing plate a5 and the elastic impact preventing plate B6 are arranged on two rows of threaded steel bars 3, and the elastic impact preventing plate a5 and the elastic impact preventing plate B6 are respectively arranged on the side close to the vehicle and the side far from the vehicle. As shown in fig. 5, 7, 8 and 9, the number of the shock absorbing members is four, the shock absorbing members are uniformly arranged, the steel sheet 9 and the dissipative spring 10 are arranged inside the shock absorbing member 8, the fixing ribs 11 are arranged on two sides of the bottom of the shock absorbing member 8, the fixing ribs 11 on two sides are fixed on the elastic crash-proof plate a5 by the self-tapping screws 15, and three self-tapping screws 15 are arranged on the fixing rib on each side in the vertical direction to be connected with the elastic crash-proof plate a 5; a rectangular connecting groove 12 is arranged in the middle of the other side of the damping piece 8; three reserved bolt holes 17 are uniformly arranged on the surface of the steel sheet, and the energy dissipation spring 10 is arranged between the steel sheet 9 and the other side of the damping piece 8; be provided with rubber cushion layer 13 between the adjacent damper, damper 8 is located the same layer with rubber cushion layer 13, and damper inside arranges power consumption spring 10 and rubber cushion layer 13 can carry out the displacement in coordination when taking place the striking, plays the effect of consuming energy for the first time.

As shown in fig. 6, the U-shaped enclosure 14 is made of concrete and is disposed outside the whole damping structure to provide rigidity to the whole enclosure, so as to protect the internal damping structure. Reserved bolt holes 17 are uniformly arranged at positions, corresponding to the rectangular connecting grooves 12 on the shock absorbing member 8, of the upper surface of the U-shaped fence shell 14, the reserved bolt holes 17 between the steel sheets 9 inside the shock absorbing member 8 correspond to each other, and therefore high-strength bolts 16 can be used for connection conveniently.

The arrangement position of the shock absorption part 8 corresponds to a first row of threaded steel bars 3, and the first row of threaded steel bars 3 cooperate with the elastic anti-collision plate A5 to exert a secondary shock absorption and anti-collision effect. First 3 positions of a row of twisted steel correspond to the central position between two adjacent twisted steel 3 of second row, correspond to elasticity anticollision board B6 middle part position, can link two twisted steel of second row and play third time shock attenuation anticollision effect together.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a viaduct anticollision power consumption rail which characterized in that: comprises an elevated bridge deck (1), an elastic anti-collision plate A (5), an elastic anti-collision plate B (6), a shock absorption piece (8), a steel sheet (9), an energy dissipation spring (10), a rubber cushion layer (13), a U-shaped enclosure shell (14) and a self-tapping screw (15); the steel plate type bridge is characterized in that a pre-buried built-in steel plate (2) is arranged inside the elevated bridge deck (1), reserved threaded holes (4) with the same position are correspondingly arranged on the elevated bridge deck (1) and the built-in steel plate (2), the reserved threaded holes (4) are arranged in the elevated bridge deck (1) and the built-in steel plate (2) in a crossed manner, and each corresponding reserved threaded hole (4) is screwed with a threaded steel bar (3) to be arranged into two rows of threaded steel bars (3); reinforcing steel bar grooves (7) are arranged on the reserved threaded holes (4) and the elastic anti-collision plates A (5), the reinforcing steel bar grooves (7) are matched with the threaded steel bars (3), so that the elastic anti-collision plates A (5) and the elastic anti-collision plates B (6) are arranged on the two rows of threaded steel bars (3), and the elastic anti-collision plates A (5) and the elastic anti-collision plates B (6) are respectively and correspondingly arranged on one side close to the vehicle and one side far away from the vehicle; the four damping parts are uniformly arranged, the steel sheet (9) and the energy dissipation spring (10) are arranged in each damping part (8), the fixing ribs (11) are arranged on two sides of the bottom of each damping part (8), the fixing ribs (11) on two sides are fixed on the elastic anti-collision plate A (5) through the self-tapping screws (15), and the three self-tapping screws (15) are arranged on the fixing rib on each side in the vertical direction and are connected with the elastic anti-collision plate A (5); a rectangular connecting groove (12) is arranged in the middle of the other side of the damping piece (8); three reserved bolt holes (17) are uniformly formed in the surface of the steel sheet, and the energy dissipation spring (10) is arranged between the steel sheet (9) and the other side of the damping piece (8); be provided with rubber cushion (13) between the adjacent damper, U type rail shell (14) upper surface correspond rectangular spread groove (12) on damper (8) position department even arrangement reserve bolt hole (17), make reserve bolt hole (17) between U type rail shell (14) and the inside steel sheet (9) of damper (8) correspond each other.

2. The viaduct anti-collision energy-consumption fence as claimed in claim 1, wherein: the arrangement position of the shock absorption piece (8) corresponds to the arrangement position of the first row of the threaded steel bars (3).

3. The viaduct anti-collision energy-consumption fence as claimed in claim 1, wherein: the position of the first row of the threaded steel bars (3) corresponds to the middle position between two adjacent threaded steel bars (3) of the second row and corresponds to the middle position of the elastic anti-collision plate B (6).

4. The viaduct anti-collision energy-consumption fence as claimed in claim 1, wherein: the U-shaped enclosure shell (14) is of a concrete structure.