CN217078445U

CN217078445U - Vibration damper in splicing construction of highway bridge

Info

Publication number: CN217078445U
Application number: CN202220555152.8U
Authority: CN
Inventors: 肖强; 刘志伟; 余少华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-07-29
Anticipated expiration: 2032-03-15

Abstract

The utility model discloses a vibration damper in splicing construction of highway bridges, which comprises a bridge pier, wherein two bridges are arranged on the top surface of the bridge pier, two groups of clamping mechanisms are arranged above the bridge pier, and the two groups of clamping mechanisms are respectively clamped at the edges of two sides of the two bridges; the utility model discloses a set up clamping mechanism, through blocking clamping mechanism on two bridges, then rotate the dwang, drive a screw thread section of thick bamboo rotatory, and then drive the rotation of other screw thread section of thick bamboos through sprocket and chain, and then make a plurality of threaded rods drive the punch holder and move down, and then make punch holder and lower plate cooperate and press from both sides the side of two bridges tightly, thereby link together two bridges, make it form resonance, reduce the influence that the bridge vibration caused to the concrete of newly pouring; just the utility model discloses when using, can not cause the harm to the bridge, also be convenient for demolish after the construction is accomplished.

Description

Vibration damper in splicing construction of highway bridge

Technical Field

The utility model relates to a bridge construction field especially relates to a damping device in highway bridge concatenation construction.

Background

The highway bridge is mostly in a splicing structure, when a certain section of bridge is damaged, the bridge needs to be replaced, wet joint concrete pouring initial stages are arranged at splicing positions in splicing construction processes of new and old bridges, and due to the fact that the wet joint concrete is low in strength, vibration of the old bridge is caused by vehicles passing through the bridge surface of the old bridge, and hidden quality hazards of the wet joint concrete are easily caused when the new bridge does not vibrate.

However, the vibration damping device in the splicing construction of the existing highway bridge has the following defects in use:

firstly, resonance cannot be formed between the new bridge and the old bridge;

secondly, the existing damping device has poor integrity and is easy to fall off due to bridge vibration;

thirdly, the vibration damper is difficult to remove after construction is finished.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a damping device in highway bridge concatenation construction to solve above-mentioned at least one technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

a vibration damper in splicing construction of a highway bridge comprises a bridge pier, wherein two bridges are installed on the top surface of the bridge pier, two groups of clamping mechanisms are arranged above the bridge pier and are respectively clamped at the edges of two sides of the two bridges; the clamping mechanism comprises an upper clamping plate, a lower clamping plate, a connecting plate and a plurality of chains, the upper clamping plate and the lower clamping plate are respectively contacted with the top surface and the bottom surface of the bridge, a plurality of threaded cylinders penetrate through the lower clamping plate and are rotatably connected with the lower clamping plate, two chain wheels are fixedly sleeved on the plurality of threaded cylinders, and every two adjacent threaded cylinders are connected through the chain wheels and the chains; the bottom surface of the connecting plate is fixedly provided with a plurality of threaded rods, the lower ends of the threaded rods sequentially penetrate through the upper clamping plate and the threaded cylinders, the threaded rods are inserted into the upper clamping plate and connected with the threaded cylinders in a threaded manner, and a rotating rod is arranged on any one of the threaded cylinders; and a plurality of connecting rods are arranged between the two groups of clamping mechanisms.

Preferably, the fixed cover is equipped with the antiskid cover on the dwang, the antiskid cover is the rubber material.

Preferably, the bottom surface of the upper clamping plate and the top surface of the lower clamping plate are provided with non-slip pads, and the non-slip pads are made of rubber.

Preferably, two all install a plurality of sockets on the relative one side of punch holder, the both ends of connecting rod are the cardboard that fixedly connected with and socket match, the connecting rod is pegged graft through two cardboards and two sockets.

Preferably, an access board is arranged between the two groups of clamping mechanisms, the access board is placed on the two bridges, and the connecting rods are located below the access board.

Preferably, a plurality of support columns are installed on the bottom surface of the butt strap, and the lower ends of the support columns are placed on the bridge.

The utility model has the advantages that:

1. the utility model discloses a set up clamping mechanism, through blocking clamping mechanism on two bridges, then rotate the dwang, drive a screw thread section of thick bamboo rotatory, and then drive the rotation of other screw thread section of thick bamboos through sprocket and chain, and then make a plurality of threaded rods drive the punch holder and move down, and then make punch holder and lower plate cooperate and press from both sides the side of two bridges tightly, thereby link together two bridges, make it form resonance, reduce the influence that the bridge vibration caused to the concrete of newly pouring; just the utility model discloses when using, can not cause the harm to the bridge, also be convenient for demolish after the construction is accomplished.

2. The utility model discloses connecting rod, cardboard, socket through pegging graft connecting rod, cardboard on two relative sockets, make a plurality ofly link together two punch holders with the connecting rod to increased two clamping mechanism's wholeness, avoided clamping mechanism to drop from the bridge.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

fig. 3 is a left side view of the clamping mechanism of the present invention;

FIG. 4 is a top view of the present invention without a strap;

FIG. 5 is an enlarged view of the portion B of FIG. 4 according to the present invention;

FIG. 6 is a top view of the present invention with access panels;

FIG. 7 is a schematic structural view of the butt strap and the support pillar of the present invention;

reference numerals: 1. a bridge pier; 2. a bridge; 3. an upper splint; 4. a lower splint; 5. a threaded barrel; 6. a connecting plate; 7. a threaded rod; 8. a sprocket; 9. a chain; 10. rotating the rod; 11. an anti-slip sleeve; 12. a connecting rod; 13. a socket; 14. clamping a plate; 15. a butt strap; 16. a support pillar; 17. a non-slip mat.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-7, a vibration damper for splicing construction of a highway bridge comprises a bridge pier 1, two bridge girders 2 are installed on the top surface of the bridge pier 1, two groups of clamping mechanisms are arranged above the bridge pier 1, and the two groups of clamping mechanisms are respectively clamped at the edges of two sides of the two bridge girders 2; the clamping mechanism comprises an upper clamping plate 3, a lower clamping plate 4, a connecting plate 6 and a plurality of chains 9, wherein the upper clamping plate 3 and the lower clamping plate 4 are respectively contacted with the top surface and the bottom surface of the bridge 2, a plurality of threaded cylinders 5 are arranged on the lower clamping plate 4 in a penetrating manner, the plurality of threaded cylinders 5 are all rotatably connected with the lower clamping plate 4, two chain wheels 8 are fixedly sleeved on the plurality of threaded cylinders 5, and two adjacent threaded cylinders 5 are connected through the chain wheels 8 and the chains 9; a plurality of threaded rods 7 are fixedly arranged on the bottom surface of the connecting plate 6, the lower ends of the threaded rods 7 sequentially penetrate through the upper clamping plate 3 and the threaded cylinders 5, the threaded rods 7 are inserted into the upper clamping plate 3, the threaded rods 7 are in threaded connection with the threaded cylinders 5, and a rotating rod 10 is arranged on any one of the threaded cylinders 5; a plurality of connecting rods 12 are mounted between the two sets of clamping mechanisms.

In this embodiment, specifically, the rotating rod 10 is fixedly sleeved with the anti-slip sleeve 11, and the anti-slip sleeve 11 is made of rubber; by arranging the anti-slip sleeve 11, the friction force between the palm and the rotating rod 10 is increased, thereby facilitating the rotation of the rotating rod 10.

In this embodiment, specifically, the bottom surface of the upper splint 3 and the top surface of the lower splint 4 are provided with anti-slip pads 17, and the anti-slip pads 17 are made of rubber; through setting up slipmat 17, increased the frictional force between punch holder 3, lower plate 4 and the bridge 2, increased the stability of being connected between punch holder 3, lower plate 4 and the bridge 2.

In this embodiment, specifically, a plurality of sockets 13 are installed on the opposite sides of the two upper clamping plates 3, two ends of the connecting rod 12 are fixedly connected with clamping plates 14 matched with the sockets 13, and the connecting rod 12 is inserted into the two sockets 13 through the two clamping plates 14; through the arrangement of the sockets 13 and the clamping plates 14, the connecting rod 12 can be conveniently connected with the two sockets 13, and the connecting rod 12 can be conveniently detached from the two sockets 13 at a later stage.

In this embodiment, specifically, an access board 15 is disposed between the two sets of clamping mechanisms, the access board 15 is disposed on the two bridges 2, and the plurality of connecting rods 12 are all located below the access board 15; by providing the strap 15, the vehicle is prevented from contacting the tie bar 12, protecting the tie bar 12.

In this embodiment, specifically, a plurality of support columns 16 are installed on the bottom surface of the access board 15, and the lower ends of the plurality of support columns 16 are all placed on the bridge 2; through setting up support column 16, supported access board 15, increased access board 15's compressive capacity.

The working principle is as follows: concrete is poured at the splicing part of the two bridges 2, then the two clamping mechanisms are clamped on the two bridges 2, then one threaded cylinder 5 is driven to rotate by rotating the rotating rod 10, and then the rest threaded cylinders 5 are driven to rotate by the chain wheel 8 and the chain 9, when the threaded cylinders 5 rotate simultaneously, the threaded rods 7 can move downwards simultaneously, so that the upper clamping plate 3 moves downwards, and the upper clamping plate 3 and the lower clamping plate 4 are matched to clamp the side edges of the two bridges 2, so that the two bridges 2 are connected together to form resonance, and the influence of the vibration of the bridges 2 on the newly poured concrete is reduced;

then, the connecting rods 12 and the clamping plates 14 are inserted into the two opposite sockets 13, so that the connecting rods 12 and the two upper clamping plates 3 are connected together, the integrity of the two clamping mechanisms is improved, and the clamping mechanisms are prevented from falling off from the bridge 2;

finally, the straps 15 are placed on the two bridges 2 such that the straps 15 cover the plurality of tie bars 12 to prevent the vehicle from crushing the tie bars 12.

After the concrete strength of the splicing parts of the two bridges 2 meets the requirement, the connecting rods 12 and the clamping plates 14 are taken out of the sockets 13 by removing the butt straps 15, so that the two upper clamping plates 3 are separated; then through the antiport dwang 10, make a plurality of screw thread section of thick bamboo 5 antiport, and then make a plurality of threaded rods 7 move up, and then make punch holder 3, lower plate 4 not pressing from both sides tight bridge 2 to be convenient for take off clamping mechanism from bridge 2, thereby be convenient for clamping mechanism's used repeatedly.

Wherein, through setting up slipmat 17, increased the frictional force between punch holder 3, lower plate 4 and the bridge 2 to consolidate being connected between punch holder 3, lower plate 4 and the bridge 2.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a damping device in highway bridge concatenation construction, includes pier (1), its characterized in that: two bridges (2) are installed on the top surface of the pier (1), two groups of clamping mechanisms are arranged above the pier (1), and the two groups of clamping mechanisms are respectively clamped at the edges of two sides of the two bridges (2); the clamping mechanism comprises an upper clamping plate (3), a lower clamping plate (4), a connecting plate (6) and a plurality of chains (9), wherein the upper clamping plate (3) and the lower clamping plate (4) are respectively contacted with the top surface and the bottom surface of the bridge (2), a plurality of thread cylinders (5) are arranged on the lower clamping plate (4) in a penetrating mode, the thread cylinders (5) are all rotatably connected with the lower clamping plate (4), two chain wheels (8) are fixedly sleeved on the thread cylinders (5), and every two adjacent thread cylinders (5) are connected through the chain wheels (8) and the chains (9); a plurality of threaded rods (7) are fixedly arranged on the bottom surface of the connecting plate (6), the lower ends of the threaded rods (7) sequentially penetrate through the upper clamping plate (3) and the threaded cylinders (5), the threaded rods (7) are inserted into the upper clamping plate (3), the threaded rods (7) are in threaded connection with the threaded cylinders (5), and a rotating rod (10) is arranged on any one of the threaded cylinders (5); a plurality of connecting rods (12) are arranged between the two groups of clamping mechanisms.

2. The vibration damping device in the splicing construction of the highway bridge according to claim 1, which is characterized in that: the fixed cover is equipped with anti-skidding cover (11) on dwang (10), anti-skidding cover (11) are the rubber material.

3. The vibration damping device in the splicing construction of the highway bridge according to claim 1, which is characterized in that: and the bottom surface of the upper clamping plate (3) and the top surface of the lower clamping plate (4) are provided with anti-slip pads (17), and the anti-slip pads (17) are made of rubber.

4. The vibration damping device in the splicing construction of the highway bridge according to claim 1, which is characterized in that: two all install a plurality of sockets (13) on the relative one side of punch holder (3), the both ends of connecting rod (12) are all fixedly connected with cardboard (14) that match with socket (13), connecting rod (12) are pegged graft with two sockets (13) through two cardboard (14).

5. The vibration damping device in the splicing construction of the highway bridge according to claim 4, wherein: two sets of be provided with attachment strap (15) between the clamping mechanism, attachment strap (15) are placed on two bridges (2), and are a plurality of connecting rod (12) all are located attachment strap (15) below.

6. The vibration damping device in the splicing construction of the highway bridge according to claim 5, wherein: install a plurality of support columns (16) on the bottom surface of attachment strap (15), it is a plurality of on bridge (2) all placed to the lower extreme of support column (16).