CN211340397U

CN211340397U - Anchoring device for bridge expansion joint

Info

Publication number: CN211340397U
Application number: CN201922050471.4U
Authority: CN
Inventors: 王磊; 张同胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-25
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an anchor at bridge expansion joint relates to the road administration field, including first bridge and second bridge, one side of first bridge and second bridge all is provided with the mounting panel, and one side of mounting panel is fixed with the gag lever post, the inside of gag lever post is provided with first cavity, and the inside of first cavity is fixed with first reset spring, first reset spring's end is fixed with flexible post, the slide bar is all installed through the installation piece at the both ends at first bridge and second bridge top. The utility model discloses a set up the gag lever post between two sets of bridges, under first reset spring's effect to the flexible post of cooperation reduces the increase at expansion joint between two sets of bridges, avoids two sets of bridges to take place vertical ascending deformation simultaneously, and the sliding sleeve that sets up simultaneously mutually supports with the slide bar and makes the movable plate when the expansion joint increases, can carry out horizontal deformation, prevents the vertical ascending deformation of bridge simultaneously, increases the anchor effect of device between to two sets of bridges.

Description

Anchoring device for bridge expansion joint

Technical Field

The utility model relates to a road administration field specifically is an anchor of bridge expansion joint.

Background

Along with the rapid development of economy, areas are large-scale civil engineering, in numerous projects, bridges are indispensable during bridge construction, in order to enable bridge deck plates of bridges to be capable of stretching, an expansion joint is arranged between every two adjacent bridge deck plates, and after the expansion joint is arranged between every two adjacent bridge deck plates, an expansion joint device needs to be installed in the expansion joint; an anchoring device for a rubber expansion joint of a bridge installed at the expansion joint is currently available on the market.

But the anchor device at present bridge expansion joint when anchoring two sets of bridges, because the deformation of two sets of bridges leads to anchor device not good to the fixed effect at expansion joint, because the problem of bridge deformation leads to the gap great, and the vehicle is great to the damage of device when passing through the expansion joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor at bridge expansion joint to the anchor that proposes present bridge expansion joint among the solution above-mentioned background art is when anchoring two sets of bridges, because the deformation of two sets of bridges leads to anchor not good to the fixed effect at expansion joint, because the problem of bridge deformation leads to the gap great, the great problem of damage to the device when the vehicle passes through the expansion joint.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anchor at bridge expansion joint, includes first bridge and second bridge, one side of first bridge and second bridge all is provided with the mounting panel, and one side of mounting panel is fixed with the gag lever post, the inside of gag lever post is provided with first cavity, and the inside of first cavity is fixed with first reset spring, first reset spring's end is fixed with flexible post, the slide bar is all installed through the installation piece in the both ends at first bridge and second bridge top, and the top of first bridge and second bridge is provided with the movable plate, the four corners department of movable plate bottom evenly is provided with the sliding sleeve of mutually supporting with the slide bar, and the top of movable plate evenly is provided with damper, the top of movable plate is provided with the backing plate, and the top of backing plate is provided with the rubber slab.

As a further aspect of the present invention: the four corners inside the moving plate are all provided with slots, and the four corners at the bottom of the backing plate are all fixed with inserting columns matched with the slots.

As a further aspect of the present invention: the top of first bridge and second bridge all is provided with the thread groove, the four corners department at rubber slab top all is provided with the bolt with thread groove matched with.

As a further aspect of the present invention: the number of slide bars is two sets ofly, and two sets of the end of slide bar all is provided with the limiting plate, sliding sleeve and movable plate welded connection.

As a further aspect of the present invention: the damping mechanism is characterized in that a second cavity is formed in the damping mechanism, a second return spring is arranged in the second cavity, a connecting column matched with the second cavity is fixed to the top of the second return spring, and the top of the connecting column is arc-shaped.

As a further aspect of the present invention: the number of the limiting rods is multiple, and the tail ends of the telescopic columns are connected with the first bridge and the second bridge in a welded mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through set up the gag lever post between two sets of bridges, under first reset spring's effect to the flexible post of cooperation reduces the increase at expansion joint between two sets of bridges, avoids two sets of bridges to take place the ascending deformation in vertical side simultaneously, and the sliding sleeve that sets up simultaneously mutually supports with the slide bar and makes the movable plate when the expansion joint increases, can carry out horizontal deformation, stops the ascending deformation in vertical side of bridge simultaneously, has increased the device greatly to the anchor effect between two sets of bridges.

2. Through the mutual cooperation of the inserted columns and the slots, the base plate is limited, the base plate is damped under the cooperation of the second reset spring and the connecting columns, the vibration of a vehicle is avoided to be large when the vehicle passes through, and then the damage to the device is reduced.

Drawings

FIG. 1 is an exploded view of an anchoring device for a bridge expansion joint;

FIG. 2 is a schematic view of an internal structure of a limiting rod of an anchoring device for a bridge expansion joint;

fig. 3 is a schematic view of the internal structure of the shock-absorbing structure of the anchoring device for a bridge expansion joint.

In the figure: 1. a first bridge; 2. a second bridge; 3. a slide bar; 4. a limiting rod; 5. mounting a plate; 6. A damping mechanism; 7. a sliding sleeve; 8. moving the plate; 9. a base plate; 10. a rubber plate; 11. a telescopic column; 12. a second cavity; 13. a first cavity; 14. a first return spring; 15. a second return spring; 16. connecting columns.

Detailed Description

Referring to fig. 1-3, in an embodiment of the present invention, an anchoring device for a bridge expansion joint includes a first bridge 1 and a second bridge 2, wherein a mounting plate 5 is disposed on one side of each of the first bridge 1 and the second bridge 2, and one side of the mounting plate 5 is fixed with a limiting rod 4, a first cavity 13 is arranged inside the limiting rod 4, a first return spring 14 is fixed in the first cavity 13, a telescopic column 11 is fixed at the tail end of the first return spring 14, a slide bar 3 is arranged at both ends of the top of the first bridge 1 and the second bridge 2 through mounting blocks, and the top parts of the first bridge 1 and the second bridge 2 are provided with a movable plate 8, four corners of the bottom of the movable plate 8 are uniformly provided with sliding sleeves 7 which are matched with the sliding rods 3, and the top of the moving plate 8 is uniformly provided with a damping mechanism 6, the top of the moving plate 8 is provided with a backing plate 9, and the top of the backing plate 9 is provided with a rubber plate 10.

The utility model discloses a set up gag lever post 4 between two sets of bridges, under first reset spring 14's effect to cooperation flexible post 11 reduces the increase at expansion joint between two sets of bridges, avoids two sets of bridges to take place vertical ascending deformation simultaneously, and the sliding sleeve 7 that sets up simultaneously mutually supports with slide bar 3 and makes movable plate 8 when the expansion joint increases, can carry out horizontal deformation, prevents the vertical ascending deformation of bridge simultaneously, has increased the anchor effect of the device between to two sets of bridges greatly.

Please refer to fig. 1, the four corners inside the moving plate 8 are all provided with slots, and the four corners at the bottom of the backing plate 9 are all fixed with inserting posts matching with the slots.

This kind of anchor at bridge expansion joint mutually supports with inserting the post through the slot that sets up, reciprocates movable plate 8 and carries on spacingly, avoids the phenomenon that takes place the dislocation when movable plate 8 reciprocates.

Please refer to fig. 1, the top of the first bridge 1 and the top of the second bridge 2 are both provided with screw grooves, and the four corners of the top of the rubber plate 10 are both provided with bolts matching with the screw grooves.

This kind of anchor at bridge expansion joint is mutually supported through the spiral groove that sets up and bolt, and the installation and the dismantlement of the rubber slab 10 of being convenient for to be convenient for to the change of rubber slab 10.

Please refer to fig. 1, the number of the sliding rods 3 is two, the ends of the two sliding rods 3 are both provided with a limiting plate, the sliding sleeve 7 is connected with the moving plate 8 by welding, the number of the limiting rods 4 is multiple, and the ends of the telescopic columns 11 are connected with the first bridge 1 and the second bridge 2 by welding.

This kind of anchor at bridge expansion joint mutually supports with the sliding sleeve 7 of welding in the 8 bottoms of movable plate through two sets of slide bars 3 that set up, when the expansion joint increases, keeps 8 fixed of movable plate, and multiunit gag lever post 4 mutually supports the increase that stops the expansion joint, reduces the deformation of two sets of bridges simultaneously.

Please refer to fig. 3, a second cavity 12 is disposed inside the damping mechanism 6, a second return spring 15 is disposed inside the second cavity 12, a connection column 16 matched with the second cavity 12 is fixed on the top of the second return spring 15, and the top of the connection column 16 is arc-shaped.

This kind of anchor at bridge expansion joint is mutually supported through the second reset spring 15 that sets up and spliced pole 16, carries out the shock attenuation to backing plate 9 to reduce the vehicle and pass through the damage of rubber pad to the device.

The utility model discloses a theory of operation is: when the utility model is used, when a vehicle passes through the rubber plate 10, the rubber plate 10 is deformed and pressed downwards to drive the backing plate 9 to move downwards, the backing plate 9 is limited by the matching of the slot and the insert column, meanwhile, the backing plate 9 is damped under the action of the second reset spring 15 and the connecting column 16 to reduce the vibration generated when the vehicle passes, when the expansion joint is enlarged, the first bridge 1 and the second bridge 2 move towards both sides, the movable plate 8 is kept still under the matching of the slide bar 3 and the slide sleeve 7, meanwhile, the expansion column 11 is prevented from moving towards both sides under the action of the first reset spring 14, further, the horizontal deformation of the expansion column 11 is reduced, the limit of the movable plate 8 is matched, the vertical deformation between the first bridge 1 and the second bridge 2 is avoided, and further, the purpose of expansion joint enlarging and anchoring is achieved, avoid because the expansion joint increase, lead to the fixed not good phenomenon of effect of bridge.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anchor at bridge expansion joint, includes first bridge (1) and second bridge (2), its characterized in that: the bridge is characterized in that mounting plates (5) are arranged on one sides of the first bridge (1) and the second bridge (2), a limiting rod (4) is fixed on one side of each mounting plate (5), a first cavity (13) is arranged inside each limiting rod (4), a first reset spring (14) is fixed inside each first cavity (13), a telescopic column (11) is fixed at the tail end of each first reset spring (14), sliding rods (3) are mounted at two ends of the tops of the first bridge (1) and the second bridge (2) through mounting blocks, movable plates (8) are arranged at the tops of the first bridge (1) and the second bridge (2), sliding sleeves (7) matched with the sliding rods (3) are uniformly arranged at four corners of the bottom of each movable plate (8), damping mechanisms (6) are uniformly arranged at the tops of the movable plates (8), and backing plates (9) are arranged at the tops of the movable plates (8), and the top of the backing plate (9) is provided with a rubber plate (10).

2. The anchoring device for a bridge expansion joint according to claim 1, wherein the four corners inside the movable plate (8) are provided with slots, and the four corners at the bottom of the backing plate (9) are fixed with insertion posts matched with the slots.

3. The anchoring device for a bridge expansion joint according to claim 1, wherein the top of the first bridge (1) and the top of the second bridge (2) are both provided with screw grooves, and the four corners of the top of the rubber plate (10) are both provided with bolts matching with the screw grooves.

4. The anchoring device for a bridge expansion joint according to claim 1, wherein the number of the sliding rods (3) is two, the ends of the two sliding rods (3) are provided with limiting plates, and the sliding sleeve (7) is welded with the moving plate (8).

5. The anchoring device for a bridge expansion joint according to claim 1, wherein a second cavity (12) is provided inside the damping mechanism (6), a second return spring (15) is provided inside the second cavity (12), a connecting column (16) matched with the second cavity (12) is fixed on the top of the second return spring (15), and the top of the connecting column (16) is arc-shaped.

6. The anchoring device for a bridge expansion joint according to claim 1, wherein the number of the stop rods (4) is plural, and the ends of the telescopic columns (11) are welded to the first bridge (1) and the second bridge (2).