CN212865594U

CN212865594U - Safety protective guard for bridge

Info

Publication number: CN212865594U
Application number: CN202021464819.0U
Authority: CN
Inventors: 邓少博; 王春森; 王瑞芳; 包太平; 高田仓; 史文彬; 王雷虎
Original assignee: CCCC First Highway Engineering Co Ltd; Third Engineering Co Ltd of Highway Engineering Bureau of CCCC
Current assignee: CCCC First Highway Engineering Co Ltd; Third Engineering Co Ltd of Highway Engineering Bureau of CCCC
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-02
Anticipated expiration: 2030-07-22

Abstract

The application discloses a safety protective guard for a bridge, which relates to the technical field of bridge construction and comprises a plurality of groups of supporting components which are sequentially and fixedly connected, wherein each supporting component comprises two vertical frames which are arranged at intervals and a plurality of cross beams which are fixedly arranged between the two vertical frames; articulated through the articulated shaft on the connecting portion have the fly leaf, and the articulated shaft sets up along vertical direction, and two opposite ends of fly leaf compress tightly the connection, and two opposite ends of fly leaf can realize relative slip under the effect of external force. The method and the device have the effect of reducing the potential safety hazards of drivers and personnel in the vehicle.

Description

Safety protective guard for bridge

Technical Field

The application relates to the technical field of bridge construction, in particular to a safety protective guard for a bridge.

Background

The bridge guardrail aims to prevent an out-of-control vehicle from crossing the bridge and has the functions of preventing the vehicle from breaking through, penetrating downwards and crossing the bridge and beautifying the bridge building.

The utility model discloses a chinese utility model patent that grant bulletin number is CN207828779U discloses a bridge railing, including stand and horizontal bar, two adjacent stands are connected to the horizontal bar, still including decorating the component, decorate the component and contain base connecting rod, base and decorative board, and the decorative board is installed on the base, and the base passes through base connecting rod rigid coupling between two adjacent stands.

The bridge guardrail function structure among the above-mentioned prior art scheme is comparatively single, receives the easy fracture that takes place after strong striking, and after the bridge guardrail actually comes into use, because the bridge is the easy highway section of sending out of car driving accident, in case there is very big potential safety hazard to driver and interior personnel of car in the emergence traffic accident.

SUMMERY OF THE UTILITY MODEL

The application aims at providing a safety protective guard for a bridge, which has the effect of reducing the potential safety hazard of drivers and people in a vehicle.

The above utility model of this application aim at can realize through following technical scheme:

a bridge safety protective guard is characterized in that a plurality of groups of supporting assemblies are sequentially and fixedly connected, each supporting assembly comprises two stand frames arranged at intervals and a plurality of cross beams fixedly arranged between the two stand frames, a buffer mechanism is arranged on each supporting assembly, one side of each stand frame, facing a bridge, is the inner side of each stand frame, each buffer mechanism comprises a connecting part elastically connected to the inner side of each stand frame through an elastic assembly, each connecting part can move towards one side of each stand frame under the action of external force, and each cross beam is fixedly arranged on one side, opposite to each connecting part, of each stand frame;

articulated through the articulated shaft on the connecting portion have the fly leaf, the articulated shaft sets up along vertical direction, two the both ends that the fly leaf is relative compress tightly the connection, two the relative both ends of fly leaf can realize relative slip under the effect of external force.

Through adopting above-mentioned technical scheme, if the car is unexpected in the driving process, when striking to the bridge protection fence, two fly leafs receive the effort of car and break away from each other and rotate to one side towards the crossbeam, simultaneously, connecting portion move to one side towards the crossbeam under the effect of external force, have certain cushioning effect to the striking of car, have reduced the cracked condition of taking place after the bridge protection fence receives strong striking, have reduced driver and interior personnel's potential safety hazard of car.

Preferably, the hinge shaft is arranged on one side of the connecting part, which is back to the stand, the movable plates are arc-shaped elastic plates, and the two movable plates jointly form an arc with an opening facing the outside of the stand.

By adopting the technical scheme, when the automobile collides with the bridge protective guard, the arc-shaped movable plate is arranged to enable the automobile to be preferentially contacted with the movable plate, so that the damage of the automobile to the connecting part and the elastic component caused by the collision is reduced.

Preferably, one of the movable plates is fixedly provided with a clamping block, the other movable plate is provided with a clamping groove, the clamping groove is matched with the clamping block, and the clamping block is tightly pressed and connected in the clamping groove.

Through adopting above-mentioned technical scheme, the joint piece has realized being connected of two fly leafs with the cooperation in joint groove, and when the car clashed into to two fly leafs on, the joint piece slided and finally deviates from in the joint groove for the joint groove, had played the effect of buffering to the striking of car.

Preferably, the elastic assembly comprises a spring arranged along the moving direction of the connecting part, one end of the spring is connected with the stand, and the other end of the spring is fixedly arranged on the connecting part.

Through adopting above-mentioned technical scheme, the elastic connection between connecting portion and the grudging post has been realized to the setting of spring, simple structure, the installation of being convenient for.

Preferably, the supporting tube is coaxially sleeved outside the spring, the supporting tube is detachably connected to the stand, and one end, back to the connecting portion, of the spring is fixedly arranged on the bottom wall of the supporting tube.

Through adopting above-mentioned technical scheme, can dismantle the stay tube of connecting on the grudging post and realized being connected dismantling between spring and the grudging post, take place the striking at the car and cause the damage back to elastic component, the staff of being convenient for pulls down elastic component and maintains or change it.

Preferably, the vertical frame is provided with a holding tank matched with the supporting tube, one end of the supporting tube is embedded into the holding tank, and the end, back to the holding tank, of the supporting tube is detachably connected to the vertical frame through a bolt.

Through adopting above-mentioned technical scheme, the area of contact between stay tube and the grudging post has been increased in setting up of holding tank, and then has increased the stability of being connected between stay tube and the grudging post, realizes dismantling the mode simple structure of connection, the installation and the dismantlement of being convenient for through the bolt.

Preferably, a plurality of rotating barrels are arranged on the movable plate at intervals, and the rotating barrels are rotatably connected to the side wall of the movable plate, back to the cross beam, along the vertical direction.

Through adopting above-mentioned technical scheme, when car and bridge protection fence take place the striking, rotate the bucket and take place to rotate under the effect of car striking, carry out the buffering of certain degree to the striking of car, simultaneously, the vehicle can change the collision direction under the guide of a plurality of rotation buckets when taking place the side collision to play the effect of unloading, reduce the injury that the collision led to the fact personnel in car and the car.

Preferably, the buffer gear further comprises a reinforcing plate fixedly arranged between the two vertical frames, the reinforcing plate is located between the cross beam and the movable plate, and an anti-collision pad is fixedly arranged on one side, facing the movable plate, of the reinforcing plate.

Through adopting above-mentioned technical scheme, the setting of reinforcing plate and crashproof pad has played further additional strengthening, has increased bridge protective guard's security.

To sum up, the beneficial technical effect of this application does:

1. if an accident occurs in the driving process of the automobile, when the automobile impacts the bridge protection fence, the two movable plates are separated from each other under the action force of the automobile and rotate towards one side of the cross beam, meanwhile, the connecting part moves towards one side of the cross beam under the action of the external force, a certain buffering effect is achieved on the impact of the automobile, the situation that the bridge protection fence is broken after being impacted strongly is reduced, and the potential safety hazard of a driver and personnel in the automobile is reduced;

2. when an automobile collides with the bridge guard railing, the arc-shaped movable plate is arranged to enable the automobile to be preferentially contacted with the movable plate, so that damage to the connecting part and the elastic assembly caused by automobile collision is reduced;

3. the cooperation of joint piece and joint groove has realized being connected of two fly leafs, and when the car strikeed to two fly leafs on, the joint piece slided and finally deviates from in the joint groove for the joint groove, has played the effect of buffering to the striking of car.

Drawings

Fig. 1 is a schematic view of the overall structure in the embodiment.

Fig. 2 is a schematic partial sectional view showing the structure of the elastic member, the connecting member, the movable plate, the rotary tub, the connecting member, the reinforcing plate and the crash pad in the embodiment.

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

Fig. 4 is a partial structural view showing a connection structure between two movable plates in the embodiment.

In the figure, 1, a support assembly; 11. erecting a frame; 111. an outer vertical rod; 112. an inner vertical rod; 113. a connecting rod; 12. a cross beam; 2. an elastic component; 21. accommodating grooves; 22. supporting a tube; 221. flanging; 23. a spring; 3. a connecting portion; 31. a slide bar; 311. a limiting sheet; 32. connecting blocks; 4. hinging a shaft; 5. a movable plate; 51. a clamping block; 52. a clamping groove; 6. rotating the barrel; 7. a connecting assembly; 71. connecting the support lug; 72. a rotating shaft; 8. a reinforcing plate; 81. an anti-collision cushion.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Examples

Referring to fig. 1, for this application, a safety protection fence for a bridge is disclosed, which includes a plurality of sets of support assemblies 1 fixedly connected in sequence, where each support assembly 1 includes two vertical frames 11 arranged at intervals along the distribution direction of the support assembly 1, and two adjacent vertical frames 11 in two adjacent sets of support assemblies 1 are welded and fixed.

The side of the vertical frame 11 facing the bridge is the inner side of the vertical frame 11, and the side of the vertical frame 11 facing away from the bridge is the outer side of the vertical frame 11.

The distribution direction of the two vertical frames 11 is the length direction of the supporting component 1, the vertical frames 11 comprise outer vertical rods 111 and inner vertical rods 112 which are arranged at intervals, the outer vertical rods 111 and the inner vertical rods 112 are arranged along the length direction perpendicular to the supporting component 1, and the distribution direction of the outer vertical rods 111 and the distribution direction of the inner vertical rods 112 is the width direction of the supporting component 1. A plurality of connecting rods 113 are welded and fixed between the outer upright stanchions 111 and the inner upright stanchions 112, and a plurality of cross beams 12 are welded and fixed between the two outer upright stanchions 111 in the two upright stands 11.

Referring to fig. 2 and 3, a buffer mechanism is disposed on the support assembly 1, the buffer mechanism includes two sets of elastic assemblies 2 disposed on one side of the inner vertical rod 112 opposite to the outer vertical rod 111, and the two sets of elastic assemblies 2 are disposed at intervals along the vertical direction. The elastic component 2 comprises a receiving groove 21 opened on the side wall of the inner vertical rod 112 facing away from the outer vertical rod 111, and the receiving groove 21 is arranged along the width direction of the supporting component 1. The holding groove 21 is provided with a supporting tube 22 adapted to the holding groove, one end of the supporting tube 22, which is opposite to the holding groove 21, extends outward to form a flange 221, and the flange 221 is detachably connected to the inner vertical rod 112 through a bolt. A spring 23 is coaxially and fixedly arranged in the inner cavity of the supporting tube 22, one end of the spring 23 is fixedly connected to the bottom wall of the inner cavity of the supporting tube 22, and the other end of the spring 23 is positioned in the inner cavity of the supporting tube 22. The support pipe 22 detachably connected to the vertical frame 11 realizes the detachable connection between the spring 23 and the vertical frame 11, and facilitates the detachment and installation of the spring 23.

All be provided with connecting portion 3 on every group elastic component 2, connecting portion 3 includes the coaxial pole 31 that slides that wears to locate on the stay tube 22, and the one end fixedly connected with that the pole 31 that slides stretches into in the stay tube 22 inner chamber is used for preventing that the pole 31 that slides from deviating from in the spacing piece 311 of stay tube 22 inner chamber, and the one end of the pole 31 that slides is dorsad to spacing piece 311 and the one end fixed connection of spring 23 cavity diapire of stay tube 22. One end of the sliding rod 31, which faces away from the support tube 22, is fixedly connected with a connecting block 32.

Two connecting blocks 32 of the two connecting portions 3 are hinged to a movable plate 5 through the same hinge shaft 4, and the hinge shaft 4 is arranged along the vertical direction. The movable plates 5 are arc-shaped elastic plates, and the two movable plates 5 together form an arc opening toward the outside of the cross beam 12. The two opposite ends of the two movable plates 5 are connected in a pressing manner and can slide relatively under the action of external force and are separated from each other.

If an accident occurs during the driving process of the automobile, when the automobile impacts the bridge guard rail, the two movable plates 5 are separated from each other under the action of the automobile and rotate towards one side of the cross beam 12, meanwhile, the connecting part 3 moves towards one side of the elastic component 2 under the action of external force, the spring 23 is applied with the action force, and a certain buffering effect is achieved on the impact of the automobile.

Referring to fig. 4, a plurality of clamping blocks 51 are fixedly connected to a side wall of one of the movable plates 5 facing away from the hinge shaft 4, and the clamping blocks 51 are spaced apart in a vertical direction. The side wall of the other movable plate 5 facing the clamping block 51 is provided with clamping grooves 52 corresponding to the clamping blocks 51 one by one, the clamping grooves 52 are matched with the clamping blocks 51, and the clamping blocks 51 are tightly pressed and connected in the clamping grooves 52. The cooperation of joint piece 51 and joint groove 52 has realized being connected of two fly leaf 5, and when the car striking was gone up to two fly leaf 5, joint piece 51 slided and finally deviates from in joint groove 52 for joint groove 52, has played the effect of buffering to the striking of car.

Referring to fig. 2, a plurality of rotating barrels 6 are arranged on the side wall of the movable plate 5 opposite to the beam 12 at intervals, and the rotating barrels 6 are rotatably connected to the movable plate 5 along the vertical direction. The lateral wall of the movable plate 5 opposite to the cross beam 12 is fixedly provided with a connecting component 7 in one-to-one correspondence with the rotating barrel 6, the connecting component 7 comprises two connecting lugs 71 fixed on the movable plate 5 at intervals, the two connecting lugs 71 are respectively positioned at the upper side and the lower side of the rotating barrel 6, a rotating shaft 72 arranged along the vertical direction is fixedly connected between the two connecting lugs 71, and the rotating barrel 6 is rotatably sleeved outside the rotating shaft 72 to realize the rotating connection with the movable plate 5. When an automobile collides with the bridge protective guard, the rotating barrels 6 rotate under the action of the automobile collision force to buffer the collision of the automobile to a certain degree, and meanwhile, when the automobile collides on the side, the collision direction can be changed under the guidance of the rotating barrels 6, so that the effect of unloading is achieved, and the injury of the collision to the automobile and personnel in the automobile is reduced.

The buffer gear further comprises a reinforcing plate 8 welded and fixed between the two outer vertical rods 111, the reinforcing plate 8 is an arc-shaped plate with an opening facing the cross beam 12, the reinforcing plate 8 is located between the cross beam 12 and the movable plate 5, and the side wall of one side of the reinforcing plate 8, which is back to the cross beam 12, is fixedly connected with an anti-collision pad 81. The reinforcing plate 8 and the anti-collision pad 81 are arranged to further reinforce the bridge protection fence, so that the safety of the bridge protection fence is improved.

The implementation principle of the above embodiment is as follows:

if an accident occurs during the driving process of the automobile, when the automobile impacts the bridge guard railing, the rotating barrels 6 rotate under the action of the impact force of the automobile to buffer the impact of the automobile to a certain degree, and meanwhile, when the automobile impacts on the side surface, the collision direction can be changed under the guidance of the rotating barrels 6, so that the effect of unloading is achieved;

the movable plate 5 rotates around the hinge shaft 4 to one side facing the beam 12 under the action of the automobile, the clamping block 51 slides relative to the clamping groove 52 and finally is released from the clamping groove 52, and meanwhile, the connecting part 3 moves to one side facing the beam 12 under the action of external force, so that the impact of the automobile is further buffered;

after the two movable plates 5 are separated from each other under the impact force of the automobile, if the automobile continues to move forwards, the automobile collides with the anti-collision pad 81 on the reinforcing plate 8, and the safety of the bridge protective guard is further improved.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides a safety protective guard for bridge, includes multiunit fixed connection's supporting component (1) in proper order, supporting component (1) include grudging post (11) that two intervals set up and set firmly a plurality of crossbeams (12) between two grudging posts (11), its characterized in that: the supporting assembly (1) is provided with a buffer mechanism, one side of the vertical frame (11) facing the bridge is the inner side of the vertical frame (11), the buffer mechanism comprises a connecting part (3) elastically connected to the inner side of the vertical frame (11) through an elastic assembly (2), the connecting part (3) can move towards one side of the vertical frame (11) under the action of external force, and the cross beam (12) is fixedly arranged on one side of the vertical frame (11) opposite to the connecting part (3);

articulated through articulated shaft (4) on connecting portion (3) have fly leaf (5), articulated shaft (4) set up along vertical direction, two the both ends that fly leaf (5) are relative compress tightly the connection, two the both ends that fly leaf (5) are relative can realize relative slip under the effect of external force.

2. The safety guard rail for bridges of claim 1, wherein: articulated shaft (4) set up in connecting portion (3) one side dorsad grudging post (11), fly leaf (5) are curved elastic plate, two fly leaf (5) form the arc of opening towards grudging post (11) outside jointly.

3. The safety guard rail for bridges of claim 1, wherein: one of them the fly leaf (5) is gone up and is set firmly joint piece (51), and another the joint groove (52) have been seted up on fly leaf (5), joint groove (52) and joint piece (51) looks adaptation, joint piece (51) compress tightly and connect in joint groove (52).

4. The safety guard rail for bridges of claim 1, wherein: elastic component (2) include spring (23) that set up along the moving direction of connecting portion (3), the one end and the grudging post (11) of spring (23) are connected, the other end of spring (23) sets firmly on connecting portion (3).

5. The safety guard rail for bridges of claim 4, wherein: the supporting pipe (22) is coaxially sleeved on the outer side of the spring (23), the supporting pipe (22) is detachably connected to the vertical frame (11), and one end, back to the connecting portion (3), of the spring (23) is fixedly arranged on the bottom wall of the supporting pipe (22).

6. The safety guard rail for bridges of claim 4, wherein: the vertical frame (11) is provided with an accommodating groove (21) matched with the supporting tube (22), one end of the supporting tube (22) is embedded into the accommodating groove (21), and one end, back to the accommodating groove (21), of the supporting tube (22) is detachably connected to the vertical frame (11) through bolts.

7. The safety guard rail for bridges of claim 1, wherein: a plurality of rotating barrels (6) are arranged on the movable plate (5) at intervals, and the rotating barrels (6) are rotatably connected to the side wall, back to the cross beam (12), of the movable plate (5) along the vertical direction.

8. The safety guard rail for bridges of claim 1, wherein: buffer gear still sets firmly reinforcing plate (8) between two grudging posts (11), reinforcing plate (8) are located crossbeam (12) and fly leaf (5), one side that reinforcing plate (8) are towards fly leaf (5) sets firmly crashproof pad (81).