CN217378563U

CN217378563U - Guardrail device of municipal bridge

Info

Publication number: CN217378563U
Application number: CN202221332970.8U
Authority: CN
Inventors: 张波
Original assignee: Haida Construction Group Co ltd
Current assignee: Haida Construction Group Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-06
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses the application relates to a guardrail device of municipal bridge relates to the technical field of municipal bridge facility. The utility model provides a guardrail device of municipal bridge, includes a plurality of groups guardrail subassembly that connect gradually along bridge length direction, every group the guardrail subassembly all including set up perpendicularly in two foundation columns of bridge floor, set up in the foundation column towards the base plate of a side of way central authorities the base plate perpendicular to bridge floor just connects two the foundation column, set up perpendicularly in the base plate towards a spring assembly, the parallel of a terminal surface of way central authorities the base plate set up in the baffle of the spring assembly other end the baffle can be followed the removal of spring assembly axis direction. The problem of when the car accident collided to bridge railing, the threat that personnel's life safety received in the reduction car is solved.

Description

Guardrail device of municipal bridge

Technical Field

The application relates to the technical field of municipal bridge facilities, in particular to a guardrail device of a municipal bridge.

Background

Nowadays, cities develop rapidly, and in order to facilitate traffic, numerous viaducts for high-speed passing of automobiles are built in urban areas, and guardrails for preventing automobiles from rushing down the bridge are installed at the edges of the viaducts.

The existing bridge guardrail is mostly of a pure rigid structure, if an accident happens, the automobile collides with the guardrail, and the automobile can stop moving completely in a very short time and cannot fall off the bridge floor because the guardrail has the rigid structure with high strength.

However, the acceleration of the pure rigid bridge guardrail when the automobile stops is too large, so that the structure of the automobile is seriously damaged, and the life safety of people in the automobile cannot be ensured.

SUMMERY OF THE UTILITY MODEL

When colliding bridge railing in order to make the car accident, the threat that personnel's life safety received in the car reduces, the utility model discloses an application is guardrail device of municipal bridge.

The application provides a guardrail device of municipal bridge adopts following technical scheme:

the utility model provides a guardrail device of municipal bridge, includes a plurality of groups guardrail subassembly that connect gradually along bridge length direction, every group the guardrail subassembly all including set up perpendicularly in two foundation columns of bridge floor, set up in the foundation column towards the base plate of a side of way central authorities the base plate perpendicular to bridge floor just connects two the foundation column, set up perpendicularly in the base plate towards a spring assembly, the parallel of a terminal surface of way central authorities the base plate set up in the baffle of the spring assembly other end the baffle can be followed the removal of spring assembly axis direction.

By adopting the technical scheme, when the automobile accidentally hits the guardrail, the automobile firstly hits the baffle, then the spring group between the baffle and the base plate is compressed, the kinetic energy of the automobile is converted into the elastic potential energy of the spring, the speed of the automobile is reduced, and finally the rigid base plate and the base column block the automobile to stop moving, so that compared with a pure rigid guardrail, the speed of the automobile when the automobile hits the base plate is reduced by the baffle and the spring group, the probability that the automobile structure is seriously damaged is reduced, and the threat to the life safety of personnel in the automobile is also reduced.

The utility model discloses further set up to, baffle lower extreme and bridge floor contact just can slide for the bridge floor, the base plate with the baffle be close to each other one end in the spring unit upside is provided with a plurality of energy storage wares, the energy storage ware along bridge length direction evenly set up in the baffle with between the base plate.

Through adopting above-mentioned technical scheme, baffle lower extreme and bridge floor contact make the striking take place backplate and bridge floor and produce frictional force, further reduce the speed of car, set up a plurality of energy storages simultaneously between the upper end of base plate and baffle, can prevent that the baffle from producing the slope because of the lower extreme resistance is greater than the upper end, prevent that the car from rushing out the guardrail along the baffle of slope, reduced personnel's in the car life safety risk.

The utility model discloses further set up as, but the base of energy storage ware through horizontal direction pivoted hinged joint in the base plate, but the piston rod of energy storage ware through horizontal direction pivoted hinged joint in the baffle.

Through adopting above-mentioned technical scheme, when the baffle received the striking, except that can produce the displacement that is on a parallel with the base plate simultaneously along spring axis direction, so the total resistance that the baffle provided the car has had bigger displacement, and the resistance does work more, and the speed reduces more when making the car bump into the base plate, reduces the probability of structure destruction, and hinge structure can make the car have bigger displacement along bridge length direction simultaneously, is favorable to the buffering equally, has reduced personnel's in the car life safety risk.

Optionally, the height of the joint of the energy accumulator and the substrate is lower than the height of the joint of the energy accumulator and the baffle.

Through adopting above-mentioned technical scheme, when the baffle received the striking, the energy storage ware shrink of baffle upper end made the baffle use the lower extreme to produce the rotation trend of partial to the base plate as the fulcrum, and the baffle lower extreme can take place to burst and contract deformation when for the bridge floor friction, and the baffle is to the pressure increase on ground, and frictional force also increases, further absorbs more kinetic energy, plays better cushioning effect, has reduced personnel's in the car life safety risk.

The utility model discloses further set up to, the baffle is close to a base plate terminal surface in a plurality of spouts have been seted up to the spring assembly upside, the spout direction is on a parallel with the bridge floor and quantity corresponds with the position the energy storage ware, but be provided with the slider that the level slided in the spout, the piston rod of energy storage ware connect in the slider is close to a base plate terminal surface.

Through adopting above-mentioned technical scheme, through slider and spout, the baffle can produce bigger displacement for the base plate on bridge length direction, absorbs more kinetic energy, and the cushioning effect is better, if spring assembly produces because of the skew compression direction of axis direction collapses, makes the cushioning effect worsen simultaneously, and frictional force between slider and the spout can compensate to this to some extent, has reduced personnel's in the car life safety risk.

The utility model discloses further set up to, still inlay in the spout and be equipped with two compression spring, compression spring follows slider glide direction inlays to be located the slider with between the spout lateral wall, two compression spring is located respectively the slider both sides.

Through adopting above-mentioned technical scheme, inlay in the spout of slider both sides and establish compression spring and can further increase the resistance along bridge length direction, make the cushioning effect better, reduced personnel's in the car life safety risk.

The utility model discloses further set up to, the baffle is provided with a plurality of diversion rollers and support towards a terminal surface in way, the diversion roller rotate through the pivot connect in the support, diversion roller perpendicular to bridge floor just is on a parallel with the baffle.

Through adopting above-mentioned technical scheme, the car can be at first strikeed on the diversion roller when unexpected towards the guardrail, makes the diversion roller rotate and guides the car and advances along bridge length direction, reduces the power of perpendicular to guardrail, more is favorable to the buffering, has reduced personnel's in the car life safety risk.

The utility model discloses it is further set up to, adjacent two sets of the guardrail subassembly the baffle passes through the elastic plate and connects.

Through adopting above-mentioned technical scheme, adjacent baffle passes through the elastic plate and connects, can make the power of striking share for adjacent guardrail subassembly, makes the buffering effect better, has reduced personnel's in the car life safety risk.

The utility model discloses further set up to, turning roller surface cover is equipped with the rubber sleeve.

Through adopting above-mentioned technical scheme, the rubber sleeve makes the car striking better when on the turning roller, and rubber sleeve coefficient of friction is bigger and soft simultaneously, more is favorable to the turning roller guide car to go forward along bridge length direction, makes the buffering effect better, has reduced personnel's in the car life safety risk.

The utility model discloses further set up to, the base plate top extends there is the crooked arc towards way central direction, the arc shelters from along perpendicular bridge floor direction the spring unit.

Through adopting above-mentioned technical scheme, the arc can further block the car and dash out the guardrail from the top, has reduced personnel's in the car life safety risk, can shelter from the rainwater for the spring assembly at ordinary times, is favorable to the device to maintain the maintenance.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the baffle and the spring set reduce the speed of the automobile when the automobile collides with the substrate, so that the probability of serious damage to the automobile structure is reduced, and the threat to the life safety of people in the automobile is also reduced.

2. The energy storage ware can further provide the buffering to prevent that the baffle from producing the slope because of the lower extreme resistance is greater than the upper end, prevent that the car from rushing out the guardrail along the baffle of slope, reduced personnel's in the car life safety risk.

3. The hinge structure and the turning roller can enable the automobile to have larger displacement along the length direction of the bridge, the force perpendicular to the guardrail is reduced, and the life safety risk of personnel in the automobile is reduced.

Drawings

Fig. 1 is a schematic structural view of a guardrail device for a municipal bridge.

Fig. 2 is a right side view of the guardrail apparatus of the municipal bridge according to embodiment 1.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of the connection of the baffle plate and the accumulator in embodiment 1.

Fig. 5 is a partially enlarged view at B in fig. 4.

Figure 6 is a right side view of the barrier device of the municipal bridge of example 2.

Figure 7 is a partial schematic view of the junction of two adjacent barrier assemblies.

Description of reference numerals: 1. a base pillar; 2. a substrate; 3. a spring set; 4. a baffle plate; 41. a chute; 42. a slider; 43. a compression spring; 5. an accumulator; 51. a base; 52. a piston rod; 6. a turning roller; 61. a support; 62. a rubber sleeve; 7. an elastic plate; 8. an arc-shaped plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses guardrail device of municipal bridge.

Example 1:

referring to fig. 2, a guardrail apparatus of a municipal bridge includes a plurality of sets of guardrail assemblies bolted to a bridge floor in sequence along a length direction of the bridge. Each group of guardrail components comprises two foundation columns 1 vertically connected to the bridge floor through bolts, a base plate 2 welded to one side end of the foundation column 1 facing to the center of the road, a spring group 3 vertically welded to one end face of the base plate 2 facing to the center of the road, and a baffle plate 4 welded to the other end of the spring group 3 by the parallel base plate 2. The base plate 2 is perpendicular to the bridge floor and is connected with the two foundation columns 1, the lower end of the baffle plate 4 is in contact with the bridge floor, and the baffle plate 4 can slide relative to the bridge floor along the axial direction of the spring group 3.

Referring to fig. 5, a plurality of energy accumulators 5 which are located between the baffle 4 and the substrate 2 and located on the upper side of the spring assembly 3 are uniformly installed along the length direction of the bridge, a plurality of sliding grooves 41 are formed in the upper side of the spring assembly 3, the baffle 4 is close to one end face of the substrate 2, the direction of the sliding grooves 41 is parallel to the bridge floor, the number of the energy accumulators 5 corresponds to the position of the bridge floor, and sliding blocks 42 which can slide horizontally along the sliding grooves 41 are embedded in the sliding grooves 41. The base 51 of the energy accumulator 5 is connected to the base plate 2 through a hinge capable of rotating in the horizontal direction, the piston rod 52 of the energy accumulator 5 is connected to one end face, close to the base plate 2, of the sliding block 42 through a hinge capable of rotating in the horizontal direction, and the axis of the energy accumulator 5 is parallel to the bridge surface. The energy accumulator 5 can further absorb the kinetic energy of the vehicle.

The sliding groove 41 is further embedded with two compression springs 43, the compression springs 43 are embedded between the sliding block 42 and the side wall of the sliding groove 41 along the sliding direction of the sliding block 42, the two compression springs 43 are respectively located on two sides of the sliding block 42, one end of each compression spring 43 abuts against the side wall of the sliding groove 41, and the other end abuts against one end of the sliding block 42. The compression spring 43 can make the automobile have better buffering effect along the length direction of the bridge.

Referring to fig. 1, a plurality of turning rollers 6 and a support 61 thereof are installed on one end face, far away from the substrate 2, of the baffle 4, the turning rollers 6 are rotatably connected to the support 61 through rotating shafts, the support 61 is welded on the end face, far away from the substrate 2, of the baffle 4, and the turning rollers 6 are perpendicular to the bridge floor and parallel to the baffle 4. After the automobile collides the guardrail, the turning roller 6 rotates to guide the automobile to move along the length direction of the bridge, and the force perpendicular to the guardrail is reduced.

The surface of the turning roller 6 is sleeved with a rubber sleeve 62, and the elastic material enables the turning roller 6 to guide the automobile to turn better.

The top end of the base plate 2 extends to form an arc plate 8 which is bent towards the central direction of the road, the arc plate 8 and the base plate 2 are integrally formed, the spring group 3 is shielded along the direction perpendicular to the bridge floor, and the automobile can be prevented from being rushed out from the upper part of the guardrail.

Referring to fig. 7, the baffle plates 4 of two adjacent sets of guardrail assemblies are connected through the elastic plate 7, and two ends of the elastic plate 7 are respectively bolted to one end surface of the baffle plate 4 of two adjacent sets of guardrail assemblies, which is close to the base plate 2. The elastic plate 7 can enable the forces of two adjacent sets of guardrail components to be shared mutually, and the buffering effect is better.

The implementation principle of the embodiment 1 is as follows:

on the premise that the automobile can not rush out of the guardrails, the resistance borne by the automobile is dispersed and averaged as much as possible, so that the threat on personnel in the automobile can be reduced, when the automobile accidentally rushes to the guardrails, the automobile firstly collides with the direction-changing roller 6, the direction-changing roller 6 is sleeved with the rubber sleeve 62, the rubber sleeve 62 generates buffering action after being collided and triggered, the force is transmitted to the direction-changing roller 6, the direction-changing roller 6 starts to rotate under the action of the force which does not penetrate through the axis of the direction-changing roller 6 and guides the automobile to advance along the length direction of the bridge, then the force is transmitted to the baffle 4 through the bracket 61 by the direction-changing roller 6, the force vertical to the baffle 4 is buffered by the energy accumulator 5, the spring group 3 and the friction between the baffle 4 and the ground, the force parallel to the baffle 4 is buffered by the movement of the sliding block 42 in the chute 41 in the baffle 4, the deformation of the compression spring 43 and the displacement generated by the hinge connection of the baffle 4 to the energy accumulator 5, and meanwhile, the elastic plates 7 are connected between the two adjacent guardrails, impact force is further shared, and finally the automobile stops moving completely without rushing out of the guardrail through the rigid foundation column 1, the base plate 2 and the arc-shaped plate 8 integrally extending on the base plate 2.

Example 2:

the present embodiment differs from embodiment 1 in that the accumulator 5 in the present embodiment is mounted in a different manner:

referring to fig. 6, the shutter 4 is not provided with the slide groove 41, and the slider 42 and the compression spring 43. The base 51 of the energy accumulator 5 is welded on one end face of the base plate 2 close to the baffle plate 4, the piston rod 52 of the energy accumulator 5 is welded on one end face of the baffle plate 4 close to the base plate 2, and the joint of the energy accumulator 5 and the base plate 2 is lower than the joint of the energy accumulator 5 and the baffle plate 4.

The implementation principle of the embodiment 2 is as follows:

when an automobile accidentally collides against the guardrail, the force parallel to the baffle 4 is guided by the turning roller 6 to turn and buffer, the force perpendicular to the baffle 4 is buffered by the spring group 3, the energy accumulator 5 and the friction between the baffle 4 and the ground, meanwhile, because the joint of the energy accumulator 5 and the base plate 2 is lower than the joint of the energy accumulator 5 and the baffle 4, the energy accumulator 5 at the upper end of the baffle 4 contracts, the baffle 4 generates a rotation trend deviated from the base plate 2 by taking the lower end as a fulcrum, the lower end of the baffle 4 can generate crumple deformation while being rubbed relative to the bridge floor, the pressure of the baffle 4 to the ground is increased, the friction is also increased, a better buffering effect is achieved, and the life safety risk of people in the automobile is reduced.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a guardrail device of municipal bridge which characterized in that: including a plurality of groups guardrail subassembly that connect gradually along bridge length direction, every group the guardrail subassembly all including set up perpendicularly in two foundation columns (1) of bridge floor, set up in foundation column (1) towards base plate (2) of a side of way central authorities base plate (2) perpendicular to bridge floor and connect two foundation column (1), set up perpendicularly in base plate (2) towards spring assembly (3), the parallel of a terminal surface of way central authorities base plate (2) set up in baffle (4) of the spring assembly (3) other end baffle (4) can be followed spring assembly (3) axis direction removes.

2. The guardrail apparatus of a municipal bridge according to claim 1, wherein: baffle (4) lower extreme and bridge floor contact just can slide for the bridge floor, base plate (2) with the one end that baffle (4) are close to each other in spring assembly (3) upside is provided with a plurality of energy storage wares (5), energy storage wares (5) along bridge length direction evenly set up in baffle (4) with between base plate (2).

3. The guardrail apparatus of a municipal bridge according to claim 2, wherein: the base (51) of the energy accumulator (5) is connected to the base plate (2) through a hinge capable of rotating in the horizontal direction, and the piston rod (52) of the energy accumulator (5) is connected to the baffle plate (4) through a hinge capable of rotating in the horizontal direction.

4. The guardrail apparatus of a municipal bridge according to claim 2, wherein: the height of the joint of the energy accumulator (5) and the substrate (2) is lower than that of the joint of the energy accumulator (5) and the baffle (4).

5. The guardrail device of the municipal bridge according to claim 3, wherein: baffle (4) are close to base plate (2) an terminal surface in spring assembly (3) upside has seted up a plurality of spouts (41), spout (41) direction is on a parallel with the bridge floor and quantity and position correspond energy storage ware (5), be provided with slider (42) that can horizontally slide in spout (41), piston rod (52) of energy storage ware (5) connect in slider (42) are close to a terminal surface of base plate (2).

6. The guardrail apparatus of a municipal bridge according to claim 5, wherein: still inlay in spout (41) and be equipped with two compression spring (43), compression spring (43) are followed slider (42) slip direction inlays to be located slider (42) with between spout (41) lateral wall, two compression spring (43) are located respectively slider (42) both sides.

7. The guardrail apparatus of a municipal bridge according to claim 1, wherein: baffle (4) are provided with a plurality of diversion rollers (6) and support (61) thereof towards a central authorities terminal surface in way, diversion roller (6) rotate through the pivot connect in support (61), diversion roller (6) perpendicular to bridge floor just is on a parallel with baffle (4).

8. The guardrail apparatus of a municipal bridge according to claim 1, wherein: the baffle plates (4) of two adjacent sets of guardrail components are connected through an elastic plate (7).

9. The guardrail apparatus of a municipal bridge according to claim 7, wherein: the surface of the turning roller (6) is sleeved with a rubber sleeve (62).

10. The guardrail apparatus of a municipal bridge according to claim 1, wherein: the top end of the base plate (2) extends to form an arc-shaped plate (8) which is bent towards the center of the road, and the spring group (3) is shielded by the arc-shaped plate (8) along the direction vertical to the bridge floor.