CN210827151U

CN210827151U - Old bridge reforms transform with shallow formula bridge telescoping device that buries

Info

Publication number: CN210827151U
Application number: CN201822082888.4U
Authority: CN
Inventors: 李飞; 姜春磊; 孙庆千
Original assignee: Weihai Highway Survey And Design Institute Co ltd
Current assignee: Weihai Highway Survey And Design Institute Co ltd
Priority date: 2018-12-12
Filing date: 2018-12-12
Publication date: 2020-06-23
Anticipated expiration: 2028-12-12

Abstract

The utility model discloses an old bridge reforms transform with shallow formula bridge telescoping device that buries, including first bridge floor and second bridge floor, be equipped with the expansion joint between first bridge floor and the second bridge floor, the upper end lateral wall of first bridge floor and second bridge floor all is equipped with the mounting groove, two all be equipped with the buffer board in the mounting groove, two all be equipped with buffer between buffer board and the relative mounting groove, two be equipped with a plurality of telescopic machanisms between the buffer board, two be equipped with coupling mechanism between the lateral wall that the buffer board is opposite and the relative mounting groove, coupling mechanism and relative buffer board sliding connection, two all be equipped with the rubber pad between buffer board and the relative mounting groove. The utility model discloses it is rational in infrastructure, not only be convenient for install the bridge telescoping device, shorten the engineering time limit for a project, can protect the bridge telescoping device, also can effectively reduce its noise and be convenient for increase comfortable smooth-going sense when the vehicle goes.

Description

Old bridge reforms transform with shallow formula bridge telescoping device that buries

Technical Field

The utility model relates to a bridge transformation technical field especially relates to an old bridge is reformed transform with shallow formula bridge telescoping device that buries.

Background

Bridge expansion joints: in order to meet the requirement of bridge deck deformation, expansion joints are usually arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of a bridge; the expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the function is as follows: consists in regulating the displacements and couplings between the superstructure caused by the vehicle loads and the bridge construction materials; once the telescopic device of the skew bridge is damaged, the speed, the comfort and the safety of the vehicle are seriously influenced, and even the vehicle safety accident is caused.

At present, in the installation and repair processes of a bridge expansion device, the bridge expansion device is fixed in an expansion joint reserved groove, the existing mode that the bridge expansion device is placed in the expansion joint reserved groove is complex, and the construction period is long; secondly, most of the existing expansion devices slightly protrude out of the ground, the automobile generates large noise through the surface of the automobile, the bearing capacity of the automobile is increased, a good protection measure for the automobile is not provided, and in order to achieve the transformation of an old bridge and the minimum damage to the old bridge, a bridge expansion device which is shallow-buried, low in noise, convenient to construct and maintain and reasonable in manufacturing cost is needed, so that the shallow-buried bridge expansion device for the transformation of the old bridge is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the old bridge that proposes reforms transform with shallow formula bridge telescoping device that buries, it is not only convenient for install the bridge telescoping device, shortens the engineering time limit for a project, can protect the bridge telescoping device, also can effectively reduce its noise and be convenient for increase the comfortable smooth-going sense when the vehicle traveles.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an old bridge reforms transform with shallow formula bridge telescoping device that buries, includes first bridge floor and second bridge floor, be equipped with the expansion joint between first bridge floor and the second bridge floor, the upper end lateral wall of first bridge floor and second bridge floor all is equipped with the mounting groove, two all be equipped with the buffer board in the mounting groove, two all be equipped with buffer, two between buffer board and the relative mounting groove be equipped with a plurality of telescopic machanism, two between the buffer board the lateral wall that the buffer board is opposite all is equipped with coupling mechanism between the relative mounting groove, coupling mechanism and relative buffer board sliding connection, two all be equipped with the rubber pad between buffer board and the relative mounting groove, the rubber pad all is connected with first bridge floor and second bridge floor respectively through first bolt.

Preferably, the distance between the two buffer plates and the distance between the expansion joints are the same and are located right above the expansion joints.

Preferably, buffer includes the connecting plate that sets up in the mounting groove, the connecting plate is connected with the inside wall of mounting groove through a plurality of second bolts, be equipped with a plurality of first springs between connecting plate and the buffer board.

Preferably, telescopic machanism is including setting up the well cavity pole between two buffer boards, be equipped with well cavity in the well cavity pole, well cavity sliding connection has two sliding blocks, two be equipped with a plurality of second springs between the sliding block, two the lateral wall that the sliding block is opposite all is equipped with first connecting block, two first connecting block all runs through the lateral wall of well cavity pole and rather than lateral wall sliding connection, two first connecting block all is connected with relative buffer board through the welded mode.

Preferably, coupling mechanism is including setting up the spacing chamber in the buffer board, spacing intracavity sliding connection has the stopper, the lateral wall of buffer board runs through and is equipped with the intercommunication groove, the side fixedly connected with second connecting block of stopper, the intercommunication groove that runs through of second connecting block, the lateral wall of second connecting block rotates and is connected with the third bolt, the lateral wall threaded connection of third bolt and mounting groove.

Preferably, a plurality of the second bolts are respectively located right below the rubber pads.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the connecting plate, the second bolt, the rubber pad, first bolt, place two connecting plates in the mounting groove and be connected with the mounting groove side inside wall through the second bolt, then rotate the third threaded rod, make it be connected with the inside wall of mounting groove, then lay the rubber pad in the gap between buffer board and mounting groove, be connected with first bridge floor and second bridge floor through first bolt, prevent debris such as rubbish from getting into the expansion joint in, so, realize the installation to bridge telescoping device, mounting structure simple structure and firm.

2. Through buffer board, first spring is compressed and is realized guaranteeing that bridge telescoping device does not bump with the bridge floor to the buffering of two buffer boards, not only effective noise reduction, also can protect it, increases its life.

To sum up, the utility model discloses rational in infrastructure, the installation bridge telescoping device of not only being convenient for shortens the engineering time limit for a project, can protect the bridge telescoping device, also can effectively reduce its noise and be convenient for increase the comfortable smooth-going sense when the vehicle goes.

Drawings

Fig. 1 is a schematic structural view of a shallow-buried bridge expansion device for old bridge reconstruction according to the present invention;

fig. 2 is a top view of a shallow-buried bridge expansion device for old bridge reconstruction according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is an enlarged view of the structure at B in fig. 1.

In the figure: 1 first bridge floor, 2 second bridge floors, 3 mounting grooves, 4 buffer plates, 5 connecting plates, 6 second bolts, 7 first springs, 8 third bolts, 9 first bolts, 10 rubber pads, 11 second connecting blocks, 12 limiting cavities, 13 limiting blocks, 14 communicating grooves, 15 hollow rods, 16 hollow cavities, 17 sliding blocks, 18 second springs and 19 first connecting blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an old bridge reforms transform and buries formula bridge telescoping device with shallow, includes first bridge floor 1 and second bridge floor 2, is equipped with the expansion joint between first bridge floor 1 and the second bridge floor 2, and the upper end lateral wall of first bridge floor 1 and second bridge floor 2 all is equipped with mounting groove 3, all is equipped with buffer board 4 in two mounting grooves 3, and the distance of two buffer boards 4 is the same with the distance at expansion joint and is located directly over the expansion joint, and two buffer boards 4 are cast iron and make.

The buffer devices are arranged between the two buffer plates 4 and the opposite mounting groove 3 and comprise connecting plates 5 arranged in the mounting groove 3, the connecting plates 5 are connected with the inner side wall of the mounting groove 3 through a plurality of second bolts 6, a plurality of first springs 7 are arranged between the connecting plates 5 and the buffer plates 4, and the plurality of first springs 7 are connected with the buffer plates 4 and the connecting plates 5 in a welding mode, so that the connection stability between the buffer plates 4 and the connecting plates 5 is improved; the second bolts 6 are respectively positioned right below the rubber pads 10, so that the connecting plate 5 is convenient to mount and dismount.

Be equipped with a plurality of telescopic machanisms between two buffer boards 4, telescopic machanism is including setting up the well cavity pole 15 between two buffer boards 4, be equipped with well cavity 16 in the well cavity pole 15, sliding connection has two sliding blocks 17 in well cavity 16, be equipped with a plurality of second springs 18 between two sliding blocks 17, two opposite lateral walls of sliding block 17 all are equipped with first connecting block 19, two first connecting block 19 all run through the lateral wall of well cavity pole 15 and rather than lateral wall sliding connection, two first connecting block 19 all are connected with relative buffer board 4 through the welded mode, guarantee the stability of connecting between the two.

A connecting mechanism is arranged between the opposite side walls of the two buffer plates 4 and the opposite mounting grooves 3 and is in sliding connection with the opposite buffer plates 4, the connecting mechanism comprises a limiting cavity 12 arranged in the buffer plates 4, a limiting block 13 is in sliding connection with the limiting cavity 12, a communicating groove 14 is formed in the side wall of each buffer plate 4 in a penetrating mode, a second connecting block 11 is fixedly connected to the side of the limiting block 13, the communicating groove 14 of the second connecting block 11 is formed in the penetrating mode, a third bolt 8 is rotatably connected to the side wall of the second connecting block 11, the third bolt 8 is in threaded connection with the side wall of the mounting groove 3, the buffer plates 4 can move up and down, the pressure on the third bolt 8 is reduced, and the service life of the device is; rubber pads 10 are arranged between the two buffer plates 4 and the opposite mounting grooves 3, the rubber pads 10 are respectively connected with the first bridge floor 1 and the second bridge floor 2 through first bolts 9, and under the action of the rubber pads 10, sundries such as garbage can be effectively prevented from entering the expansion joint.

In the utility model, when the telescopic device is installed, two connecting plates 5 are placed in the mounting groove 3 and connected with the inner side wall of the mounting groove 3 side through the second bolt 6, and then the third threaded rod 8 is rotated to be connected with the inner side wall of the mounting groove 3, and the size of the mounting groove 3 is matched with the size of the device; then lay rubber pad 10 in the gap between buffer board 4 and mounting groove 3, be connected with first bridge floor 1 or second bridge floor 2 through first bolt 9, prevent debris such as rubbish from getting into the expansion joint in, realize the installation to bridge telescoping device, mounting structure simple structure and firm.

When the automobile runs and extrudes at the bridge expansion device, the first spring 7 is compressed to realize the buffering of the two buffer plates 4, so that the bridge expansion device is ensured not to collide with the bridge floor, the noise is effectively reduced, the bridge expansion device can be protected, and the service life of the bridge expansion device is prolonged.

The above, 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. A shallow-buried bridge expansion device for old bridge reconstruction comprises a first bridge deck (1) and a second bridge deck (2) and is characterized in that expansion joints are arranged between the first bridge deck (1) and the second bridge deck (2), mounting grooves (3) are formed in the upper end side walls of the first bridge deck (1) and the second bridge deck (2), buffer plates (4) are arranged in the two mounting grooves (3), a buffer device is arranged between each buffer plate (4) and the corresponding mounting groove (3), a plurality of expansion mechanisms are arranged between the two buffer plates (4), a connecting mechanism is arranged between the opposite side walls of the two buffer plates (4) and the corresponding mounting grooves (3), the connecting mechanism is connected with the corresponding buffer plates (4) in a sliding mode, rubber pads (10) are arranged between the two buffer plates (4) and the corresponding mounting grooves (3), the rubber pads (10) are respectively connected with the first bridge deck (1) and the second bridge deck (2) through first bolts (9).

2. The shallow-buried bridge expansion device for old bridge reconstruction as claimed in claim 1, wherein the distance between two said buffer plates (4) is the same as the distance between the expansion joints and is located right above the expansion joints.

3. The shallow buried bridge expansion device for old bridge reconstruction as claimed in claim 2, wherein said buffer device comprises a connection plate (5) disposed in the installation groove (3), said connection plate (5) is connected with the inner side wall of the installation groove (3) through a plurality of second bolts (6), a plurality of first springs (7) are disposed between said connection plate (5) and the buffer plate (4).

4. The shallow bridge expansion device for old bridge reconstruction of claim 3, characterized in that, said expansion mechanism comprises a hollow rod (15) disposed between two buffer plates (4), said hollow rod (15) is provided with a hollow cavity (16), said hollow cavity (16) is slidably connected with two sliding blocks (17), two second springs (18) are disposed between two said sliding blocks (17), two opposite side walls of said sliding blocks (17) are provided with first connecting blocks (19), two said first connecting blocks (19) are both passed through and slidably connected with the side walls of the hollow rod (15), and two said first connecting blocks (19) are both connected with the opposite buffer plates (4) by welding.

5. The shallow bridge expansion device for old bridge reconstruction according to claim 4, wherein the connecting mechanism comprises a limiting cavity (12) arranged in the buffer plate (4), a limiting block (13) is slidably connected in the limiting cavity (12), a communicating groove (14) is formed in the side wall of the buffer plate (4) in a penetrating mode, a second connecting block (11) is fixedly connected to the side of the limiting block (13), the communicating groove (14) of the second connecting block (11) in a penetrating mode, a third bolt (8) is rotatably connected to the side wall of the second connecting block (11), and the third bolt (8) is in threaded connection with the side wall of the mounting groove (3).

6. The shallow buried bridge expansion device for old bridge reconstruction of claim 3, characterized in that a plurality of said second bolts (6) are respectively located right below the rubber pads (10).