CN213952057U

CN213952057U - Safety device for bridge

Info

Publication number: CN213952057U
Application number: CN202022857948.2U
Authority: CN
Inventors: 杨平
Original assignee: China Changjiang Construction Investment Corp Ltd
Current assignee: China Changjiang Construction Investment Corp Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-13
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a safety protection device for a bridge, which comprises an inner ring, an outer ring and a roller, wherein the inner ring is fixedly connected with the bridge pier in a laminating way around the bridge pier; the roller is arranged between the inner ring and the outer ring, and the outer ring rotates relative to the inner ring through the roller; the outer ring outside is provided with flexible curved surface buffer board, the outer end fixedly connected with guard plate of flexible curved surface buffer board, the guard plate can rotate around the pier when receiving non-radial striking. The utility model provides a protector can effectively change the rammer and remove the orbit of traveling when receiving the striking, reduces economic loss, prolongs its life.

Description

Safety device for bridge

Technical Field

The utility model relates to a bridge safety protection facility technical field particularly, relates to a safety device for bridge.

Background

The anti-collision bridge pier is a very common road bridge or sea traffic safety measure, when a ship passes between two bridge piers, the ship can touch and impact the bridge piers to damage the bridge piers due to the torrential water flow, or the truck runs out of control under the viaduct and accidents happen, so that the bridge pier can be damaged when the truck collides with the bridge pier to form potential safety hazards, most of the prior anti-collision devices are elastic deformation anti-collision facilities and crush deformation anti-collision facilities, the basic principle is that energy is absorbed by utilizing the deformation of elastic materials generated by the contact of the anti-collision device and a ship body, the damage of steel plates and other bone materials and the like, so as to play a role of buffering to protect a bridge, after the collision, the kinetic energy of the vehicle or the ship is respectively absorbed by the protective device or the vehicle, thereby not only damaging the vehicle or the ship, meanwhile, the protection device can also become irreparable and fail, the service life is short, and the economic loss is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety device for bridge makes the pier can change the removal orbit of rammer through the direction when receiving the striking, thereby reduces the impaired degree of energy absorption reduction car and pier, reduces economic loss.

The embodiment of the utility model discloses a realize through following technical scheme: a safety protection device for a bridge comprises an inner ring, an outer ring and a roller, wherein the inner ring is used for being attached and fixedly connected with a pier around the pier; the roller is arranged between the inner ring and the outer ring, and the outer ring rotates relative to the inner ring through the roller; the outer ring outside is provided with flexible curved surface buffer board, the outer end fixedly connected with guard plate of flexible curved surface buffer board, the guard plate can rotate around the pier when receiving non-radial striking.

Preferably, the surface round of guard plate is fretwork formula structure, wherein is provided with a plurality of rotatory anti-collision barrel and distributes around the guard plate surface, just rotatory anti-collision barrel is followed stretch out in the guard plate, the both ends of rotatory anti-collision barrel are connected with shock attenuation buffer.

Preferably, the damping and buffering device comprises an installation cylinder, a compression bar and a spring arranged in the installation cylinder, two ends of the rotary anti-collision cylinder are rotatably connected with the compression bar, and the other end of the compression bar moves back and forth in the installation cylinder through the extrusion spring.

Preferably, the two flexible curved surface buffer plates are uniformly distributed around the outer surface of the outer ring, are fixedly attached to one side, which is in contact with the outer ring, and are welded with the outer ring into a whole, and the thickness of the flexible curved surface buffer plates is gradually reduced from the inside to the outside of the outer ring.

Preferably, the flexible curved buffer plate is made of a steel plate material.

Preferably, the axial section of the gap between the outer ring and the inner ring is conical, and the roller is a conical cylinder with a large upper part and a small lower part.

Preferably, a wheel and a track for the wheel to roll are arranged below the outer ring or the protection plate.

The technical scheme of the embodiment of the utility model has following advantage and beneficial effect at least: the utility model discloses a when the guard plate that bridge safety device set up received the striking again, along with the operating personnel control of car or ship makes with it extrusion contact, the outer loop that the guard plate drove flexible curved surface buffer board and connects passes through cylinder and inner ring extrusion and around the pier rotation, thereby the striking removal track of car ship has been changed, flexible curved surface buffer board extrusion produces elastic deformation and absorbs the kinetic energy of striking simultaneously, the striking damage degree of car or ship has been reduced, protector also can used repeatedly many times simultaneously, elastic deformation that protector received is restorable also to very big degree, life is more permanent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a safety device for a bridge according to embodiment 1 of the present invention;

FIG. 2 is a front view of a rotating crash tube on a fender panel of the present invention;

fig. 3 is a schematic cross-sectional structure view of the safety protection device for a bridge according to the present invention;

fig. 4 is a schematic structural view of the shock absorbing and buffering device of the present invention.

Icon: 1-inner ring, 2-outer ring, 3-roller, 4-flexible curved buffer plate, 5-protective plate, 6-rotary anti-collision barrel, 7-damping buffer device, 71-compression bar, 72-installation barrel, 73-spring, 8-wheel, 9-rail and 10-pier.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 4, embodiment 1 is a safety protection device for a bridge, including an inner ring 1, an outer ring 2 and a roller 3, where the inner ring 1 is configured to be attached and fixed to and connected with a pier 10 around the pier; the roller 3 is arranged between the inner ring 1 and the outer ring 2, and the outer ring 2 rotates relative to the inner ring 1 through the roller 3; the outer side of the outer ring 2 is provided with a flexible curved buffer plate 4, the outer end of the flexible curved buffer plate 4 is fixedly connected with a protective plate 5, the protective plate 5 can rotate around a pier 10 when being impacted in a non-radial direction, the protective plate 5 of the safety protection device for the bridge is impacted in a lateral direction or a vehicle or a ship is impacted in the radial direction to the pier 10, the force is controlled by an operator to turn to the side surface, the protective plate 5 is further extruded to drive the flexible curved buffer plate 4 and the outer ring 2 to rotate around the pier 10 under the action of the roller 3, so that the moving track of an impacting object is changed, the flexible curved buffer plate 4 generates elastic deformation to convert partial kinetic energy into potential energy when being extruded, the phenomenon that the generated impact energy is absorbed by the flexible curved buffer plate 4 to generate irreversible deformation easily to damage the protective device to fail is prevented, and the loss caused by the damage of the vehicle or the ship is smaller, the service life of the protective device is relatively longer.

The outer surface round of guard plate 5 is fretwork formula structure, it distributes around 5 outer surfaces of guard plate to be provided with a plurality of rotatory anti-collision barrel 6 wherein, and rotatory anti-collision barrel 6 stretches out from guard plate 5, the both ends of rotatory anti-collision barrel 6 are connected with shock attenuation buffer 7, when guard plate 5 receives the striking, it moves the orbit and can change to move it under the different rotations of rotatory anti-collision barrel 6, shock attenuation buffer 7 inwards caves in and cushions a part of potential energy simultaneously, in case the extrusion contact again the restorable keep its normal function.

The damping and buffering device 7 comprises an installation barrel 72, a pressure rod 71 and a spring 73 arranged in the installation barrel 72, two ends of the rotary anti-collision barrel 6 are rotatably connected with the pressure rod 71, the other end of the pressure rod 71 moves back and forth in the installation barrel 72 through an extrusion spring 73, one end of the installation barrel 72 is fixed on the inner wall of the protection plate 5, pressure applied to the rotary anti-collision barrel 6 is used for storing energy along the pressure rod 71 and extruding the spring 73 to convert kinetic energy into potential energy for storage, and after contact between an impactor and the rotary anti-collision barrel 6 is released, the spring 73 releases the energy and restores the original state.

Flexible curved surface buffer board 4 adopts two to be a pair of surface evenly distributed around outer loop 2, and it contacts one side fixed laminating with outer loop 2, and weld as an organic wholely with outer loop 2, the thickness of flexible curved surface buffer board 4 reduces from outer loop 2 from inside to outside gradually, make the striking of pier 10 receivable any direction through this kind of structure setting, receive the striking and when extrudeing guard plate 5, flexible curved surface buffer board 4 also is the increase at double because of the produced elasticity counter-force of its board thickness step-by-step bodiness along with the gradual increase of pressure, shock attenuation shock-absorbing cushioning performance is more outstanding.

The flexible curved buffer plate 4 is made of steel plate materials, so that the cost is low, and the flexible curved buffer plate is economical and practical.

The axial section of the gap between the outer ring 2 and the inner ring 1 is conical, and the roller 3 is a conical cylinder with a large upper part and a small lower part, so that the roller 3 is prevented from falling out from the gap between the two rings when the outer ring 2 rotates around the inner ring 1.

The wheels 8 and the tracks 9 for the wheels 8 to roll are arranged below the outer ring 2 or the protection plate 5, the tracks 9 are made of concrete at the bottoms of the piers 10, and the wheels 8 assist the outer ring 2 to rotate, so that the process of changing the running track of the impact object by the whole protection device is smoother and smoother.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a safety device for bridge which characterized in that: the bridge pier comprises an inner ring (1), an outer ring (2) and a roller (3), wherein the inner ring (1) is used for being attached and fixedly connected with a bridge pier (10) in a surrounding manner;

the roller (3) is arranged between the inner ring (1) and the outer ring (2), and the outer ring (2) rotates relative to the inner ring (1) through the roller (3);

the outer ring (2) outside is provided with flexible curved surface buffer board (4), the outer end fixedly connected with guard plate (5) of flexible curved surface buffer board (4), can rotate around pier (10) when guard plate (5) receive non-radial striking.

2. The safety shield apparatus for a bridge of claim 1, wherein: the outer surface round of guard plate (5) is fretwork formula structure, wherein is provided with a plurality of rotatory anti-collision barrel (6) and distributes around guard plate (5) surface, just rotatory anti-collision barrel (6) are followed stretch out in guard plate (5).

3. The safety shield apparatus for a bridge of claim 2, wherein: and two ends of the rotary anti-collision barrel (6) are connected with damping and buffering devices (7).

4. The safety shield apparatus for a bridge of claim 3, wherein: shock attenuation buffer (7) are including installation section of thick bamboo (72), depression bar (71) and locate spring (73) in the installation section of thick bamboo (72), the both ends of rotatory crashproof section of thick bamboo (6) with depression bar (71) rotate to be connected, the other end of depression bar (71) is in through extrusion spring (73) round trip movement in installation section of thick bamboo (72).

5. The safety shield apparatus for a bridge of claim 1, wherein: the flexible curved surface buffer plate (4) adopts two to be a pair of surface evenly distributed around outer ring (2), and its with outer ring (2) contact one side fixed laminating to weld as an organic whole with outer ring (2).

6. The safety shield apparatus for a bridge of claim 5, wherein: the thickness of the flexible curved buffer plate (4) is gradually reduced from the inner side to the outer side of the outer ring (2).

7. The safety shield apparatus for a bridge of claim 1, wherein: the flexible curved buffer plate (4) is made of a steel plate material.

8. The safety shield apparatus for a bridge of claim 1, wherein: the axial section of a gap between the outer ring (2) and the inner ring (1) is conical, and the roller (3) is a conical cylinder with a large upper part and a small lower part.

9. The safety shield apparatus for a bridge of claim 1, wherein: and wheels (8) and a track (9) for the wheels (8) to roll are arranged below the outer ring (2) or the protection plate (5).