CN216809560U

CN216809560U - Anti-collision telescopic device for highway bridge

Info

Publication number: CN216809560U
Application number: CN202220195787.1U
Authority: CN
Inventors: 王浩宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-24
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses an anti-collision telescopic device for a highway bridge, which relates to the technical field of highway bridge construction and comprises a base disc, wherein the base disc is hollow, a circular through hole is formed in one surface of the base disc, a sliding block is movably arranged in the base disc, the side wall of the sliding block and the side wall in the base disc are connected with a plurality of first springs, the first springs are distributed around the central axis of the base disc at equal intervals, one end of the sliding block is provided with a connecting column, one end of the connecting column penetrates through the circular through hole, the distance between the side wall of the connecting column and the circular through hole is equal to the distance between the side wall of the sliding block and the inner wall of the base disc, one end of the connecting column, which is far away from the sliding block, is connected with a telescopic mechanism, the sliding block slides in the base disc, and the side wall of the sliding block extrudes the first springs when the sliding block slides. The utility model relates to an anti-collision telescopic device for a highway bridge, which has a better anti-collision effect when a vehicle collides under a certain angle.

Description

Anti-collision telescopic device for highway bridge

Technical Field

The utility model relates to the technical field of highway bridge construction, in particular to an anti-collision telescopic device for a highway bridge.

Background

The highway bridge engineering refers to the whole works of planning, designing, constructing, maintaining and repairing structures of a highway crossing water area, a valley and all traffic channels, and a high-water-level bridge capable of safely discharging expected maximum flood is generally arranged on a bridge crossing a river. In streams with seasonal currents, if the traffic volume is small, low-level bridges (also called overflow bridges) or water passing pavements are sometimes arranged for saving investment. The floating bridge can be erected on the lake surface with wide water depth and the river surface which is not easy to build the bridge for a while. The bridge is built on the navigation river channel, if the two banks are flat, when the bridge deck is not easy to lift, movable bridges capable of moving or rising are often adopted. When roads and railways or roads cross each other, overpasses can be constructed in order to avoid plane crossings. The overpass may be overpass or underpass when the primary road passes through the secondary road. When strideing across highway, busy highway of traffic and street, for pedestrian's safe current, can construct pedestrian's bridge, highway bridge variety is various, often highway bridge edge can erect the guardrail, for reducing the loss that collides and bring in the traffic accident, often sets up the crashproof telescoping device on the guardrail of highway bridge.

However, in the conventional telescopic anti-collision device, only the buffer spring is arranged to prevent collision, so that a better anti-collision effect is usually provided for the collision behavior of front-to-front collision, but once a road and a bridge have an accident, the generated collision often has an included angle, and when the front collision cannot be performed, the conventional anti-collision telescopic device is poor in anti-collision using effect and often damages the anti-collision device, so that a new solution is necessary to be provided.

The existing anti-collision telescopic device has the defect of poor anti-collision effect when facing vehicle collision under a certain angle, and therefore the anti-collision telescopic device for the highway bridge is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an anti-collision telescopic device for a highway bridge, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a public road bridge roof beam is with scour protection hits telescoping device, includes the bed plate, the inside cavity of bed plate, and a surface has seted up circular through-hole, the inside activity of bed plate is equipped with the sliding block, the sliding block lateral wall with the inside lateral wall of bed plate is connected with a plurality of first springs, and is a plurality of first spring centers on the equidistant distribution of bed plate axis, sliding block one end is equipped with the spliced pole, spliced pole one end is passed circular through-hole, distance between spliced pole lateral wall and the circular through-hole with the sliding block lateral wall with distance between the bed plate inner wall equals, the spliced pole is kept away from sliding block one end is connected with telescopic machanism, the sliding block slides in the bed plate is inside, and the first spring of sliding block lateral wall extrusion when gliding.

Preferably, telescopic machanism includes the connection pad of being connected with the spliced pole, vertex angle position department is equipped with first flexible subassembly and second flexible subassembly on the connection pad, further improves the effect of crashproof through setting up first flexible subassembly and second flexible subassembly.

Preferably, the first telescopic assembly and the second telescopic assembly are far away from one end of the connecting disc is connected with a fixing plate, an anti-collision plate is installed on the fixing plate, and the anti-collision plate collides with an external collision vehicle firstly.

Preferably, first flexible subassembly is including setting up fixed column on the connection pad, the inside activity of fixed column is equipped with the telescopic link, telescopic link one end with be connected with the second spring between the inside surface of fixed column, the telescopic link other end with a fixed plate surface connection, the telescopic link slides in the fixed column is inside, and the telescopic link extrudees the second spring in the gliding, and the second spring provides a reaction force, realizes flexible crashproof.

Preferably, the flexible subassembly of second is including setting up cylinder on the connection pad, the cylinder internalization is equipped with the piston piece, piston piece one end is connected with flexible post, flexible post other end with a fixed plate surface is connected, the cover is equipped with the third spring on the flexible post, and flexible post slides in the cylinder, and in the gliding, flexible post drives piston piece extrusion cylinder inside air, and cylinder inside air pressure increases, gives an outside gas pressure of piston piece, and this gas pressure is used in flexible post, realizes flexible crashproof, extrudeing the third spring simultaneously, and the third spring provides a reaction force again, further realizes flexible crashproof.

Preferably, the corners of the anti-collision plate are subjected to arc treatment, so that the loss of the corners of the anti-collision plate to the vehicle in collision is reduced.

Preferably, a surface of the base plate is provided with mounting legs, the mounting legs are arranged around the central axis of the base plate at equal intervals, mounting through holes are formed in the mounting legs, and the mounting legs are provided with mounting through holes which are matched with bolts to install equipment on guardrails of highway bridges.

Compared with the prior art, the utility model has the following beneficial effects:

in the utility model, when a vehicle is collided and the collision direction of the vehicle is different from the normal direction of the anti-collision plate, the vehicle firstly collides with the anti-collision plate to generate an impact force on the anti-collision plate, the impact force direction is different from the normal direction of the anti-collision plate to decompose the impact force into a component force which is the same as the normal direction of the anti-collision plate and a component force which is vertical to the normal direction of the anti-collision plate, the component force which is the same as the normal direction of the anti-collision plate acts on the first telescopic assembly and the second telescopic assembly, during the collision, the telescopic rod slides in the fixed column, the telescopic rod extrudes the second spring while sliding, the second spring provides a reaction force to realize telescopic collision prevention, the telescopic column drives the piston block to extrude air in the cylinder, the air pressure in the cylinder is increased, an outward gas pressure is provided for the piston block, and the gas pressure acts on the telescopic column, realize flexible crashproof, extrude the third spring simultaneously, the third spring provides a reaction force again, further realizes flexible crashproof, drives the spliced pole with crashproof board normal direction vertically component and slides, and then drives the sliding block and slide, the sliding block slides in the base plate is inside, and the first spring of sliding block lateral wall extrusion during the gliding, first spring provide a reaction force, realize flexible crashproof, finally realize when the vehicle under the certain angle collides, improve the crashproof effect.

Drawings

FIG. 1 is a schematic view of the overall structure of an anti-collision telescopic device for a highway bridge, which is disclosed by the utility model;

FIG. 2 is a schematic structural diagram of a front view of an anti-collision telescopic device for a highway bridge, according to the present invention;

FIG. 3 is a schematic cross-sectional view taken at A-A of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic structural diagram of a second telescopic assembly in the anti-collision telescopic device for a highway bridge according to the present invention;

FIG. 6 is a schematic cross-sectional view at C-C of FIG. 2 according to the present invention;

fig. 7 is a schematic front view of a first telescopic assembly in the anti-collision telescopic device for a highway bridge of the present invention.

In the figure: 1. a base plate; 2. a circular through hole; 3. a slider; 4. a first spring; 5. connecting columns; 6. A connecting disc; 7. a fixing plate; 8. an anti-collision plate; 9. fixing a column; 10. a telescopic rod; 11. a cylinder; 12. A piston block; 13. a telescopic column; 14. a second spring; 15. a third spring; 16. and (7) mounting the legs.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the utility model relates to an anti-collision telescopic device for a road bridge, which comprises a base disc 1, wherein the base disc 1 is hollow, a circular through hole 2 is formed in one surface of the base disc 1, a sliding block 3 is movably arranged in the base disc 1, the side wall of the sliding block 3 and the side wall of the base disc 1 are connected with a plurality of first springs 4, the plurality of first springs 4 are distributed around the central axis of the base disc 1 at equal intervals, one end of the sliding block 3 is provided with a connecting column 5, one end of the connecting column 5 penetrates through the circular through hole 2, the distance between the side wall of the connecting column 5 and the circular through hole 2 is equal to the distance between the side wall of the sliding block 3 and the inner wall of the base disc 1, one end of the connecting column 5, which is far away from the sliding block 3, is connected with a telescopic mechanism, the sliding block 3 slides in the base disc 1, and the side wall of the sliding block 3 extrudes the first springs 4.

The telescopic mechanism comprises a connecting disc 6 connected with the connecting column 5, a first telescopic assembly and a second telescopic assembly are arranged at the position of a vertex angle on the connecting disc 6, and the anti-collision effect is further improved by arranging the first telescopic assembly and the second telescopic assembly.

Wherein, the first flexible subassembly and the flexible subassembly of second keep away from connection pad 6 one end and are connected with fixed plate 7, install crashproof board 8 on the fixed plate 7, and crashproof board 8 collides with external collision vehicle earlier.

Wherein, first flexible subassembly is including setting up fixed column 9 on connection pad 6, and the inside activity of fixed column 9 is equipped with telescopic link 10, is connected with second spring 14 between 10 one ends of telescopic link and the inside surface of fixed column 9, and the 10 other ends of telescopic link and 7 surface connections of fixed plate, telescopic link 10 are at the inside slip of fixed column 9, and telescopic link 10 extrudees second spring 14 in the gliding, and second spring 14 provides a reaction force, realizes flexible crashproof.

Wherein, the flexible subassembly of second is including setting up cylinder 11 on

connection pad

6, 11 internalization of cylinder is equipped with

piston block

12, 12 one end of piston block is connected with flexible post 13, the flexible post 13 other end is connected with 7 surface connections of fixed plate, the cover is equipped with third spring 15 on the flexible post 13, flexible post 13 slides in cylinder 11, when gliding, flexible post 13 drives 12 extrusion cylinder 11 inside air of

piston block

12, 11 inside air pressure increases of cylinder, give 12 outside gas pressure of piston block, this gas pressure is used in flexible post 13, realize flexible crashproof, extrude third spring 15 simultaneously, third spring 15 provides a reaction force again, further realize flexible crashproof.

Wherein, the corner of the anti-collision plate 8 is processed by arc, so that the loss of the corner of the anti-collision plate 8 to the collided vehicle is reduced.

Wherein, a surface of the base plate 1 is provided with mounting legs 16, a plurality of mounting legs 16 are distributed around the central axis of the base plate 1 at equal intervals, and the mounting legs 16 are provided with mounting through holes, and the mounting through holes are arranged on the mounting legs 16 to cooperate with bolts to install the equipment on the guardrail of the highway bridge.

The working principle of the utility model is as follows: referring to fig. 1-7, the present invention is an anti-collision telescopic device for highway bridges, which is characterized in that a mounting leg 16 is provided with a mounting through hole, and a bolt is used to mount equipment on a guardrail of a highway bridge, when a vehicle collides, and the collision direction of the vehicle is different from the normal direction of an anti-collision plate 8, the vehicle firstly collides with the anti-collision plate 8 to generate an impact force on the anti-collision plate 8, and the impact force is decomposed into a component force which is the same as the normal direction of the anti-collision plate 8 and a component force which is perpendicular to the normal direction of the anti-collision plate 8, and the component force which is the same as the normal direction of the anti-collision plate 8 acts on a first telescopic assembly and a second telescopic assembly, during the collision, a telescopic rod 10 slides in a fixed column 9, and the telescopic rod 10 presses a second spring 14 while sliding, the second spring 14 provides a reaction force, realize flexible crashproof, flexible post 13 drives piston block 12 extrusion cylinder 11 inside air, the inside air pressure increase of cylinder 11, give piston block 12 an outside gas pressure, this gas pressure is used in flexible post 13, realize flexible crashproof, extrude third spring 15 simultaneously, third spring 15 provides a reaction force again, further realize flexible crashproof, component force perpendicular with crashproof board 8 normal direction drives spliced pole 5 and slides, and then drive sliding block 3 and slide, sliding block 3 slides in base plate 1 inside, the gliding while sliding 3 lateral walls of sliding block extrude first spring 4, first spring 4 provides a reaction force, realize flexible crashproof, when finally realizing the vehicle that faces under certain angle and clash, improve the anticollision effect.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a public road bridge roof beam is with scour protection collision telescoping device which characterized in that: including base plate (1), base plate (1) inside cavity, and circular through-hole (2) have been seted up on one surface, base plate (1) inside activity is equipped with sliding block (3), sliding block (3) lateral wall with base plate (1) inside lateral wall is connected with a plurality of first spring (4), and is a plurality of first spring (4) center on base plate (1) axis equidistant distribution, sliding block (3) one end is equipped with spliced pole (5), spliced pole (5) one end is passed circular through-hole (2), distance between spliced pole (5) lateral wall and circular through-hole (2) with sliding block (3) lateral wall with distance between base plate (1) inner wall equals, spliced pole (5) are kept away from sliding block (3) one end is connected with telescopic machanism.

2. The anti-collision telescopic device for the road bridge as claimed in claim 1, wherein: the telescopic mechanism comprises a connecting disc (6) connected with the connecting column (5), and a first telescopic assembly and a second telescopic assembly are arranged at the position of a vertex angle on the connecting disc (6).

3. The anti-collision telescopic device for the road bridge as claimed in claim 2, wherein: the first telescopic assembly and the second telescopic assembly are far away from one end of the connecting disc (6) and are connected with a fixing plate (7), and an anti-collision plate (8) is installed on the fixing plate (7).

4. The anti-collision telescopic device for the road bridge as claimed in claim 3, wherein: the first telescopic assembly comprises a fixing column (9) arranged on the connecting disc (6), a telescopic rod (10) is movably arranged inside the fixing column (9), a second spring (14) is connected between one end of the telescopic rod (10) and one surface inside the fixing column (9), and the other end of the telescopic rod (10) is connected with one surface of the fixing plate (7).

5. The anti-collision telescopic device for the road bridge as claimed in claim 3, wherein: the flexible subassembly of second is including setting up cylinder (11) on connection pad (6), cylinder (11) internalization is equipped with piston block (12), piston block (12) one end is connected with flexible post (13), flexible post (13) other end with a fixed plate (7) surface is connected, the cover is equipped with third spring (15) on flexible post (13).

6. The anti-collision telescopic device for the road bridge as claimed in claim 3, wherein: and arc treatment is carried out on the corners of the anti-collision plate (8).

7. The anti-collision telescopic device for the road bridge as claimed in claim 1, wherein: the base plate (1) one surface is equipped with installation leg (16), and is a plurality of installation leg (16) center on base plate (1) axis is equidistant to be distributed, just be equipped with the mounting through-hole on installation leg (16).