CN215366801U - Self-drainage expansion joint device for medium and small bridges - Google Patents

Abstract

The utility model belongs to the technical field of expansion joint devices, and discloses a self-drainage expansion joint device for a medium and small bridge, which comprises a first expansion plate, wherein a first base plate is arranged at the bottom of the first expansion plate in the horizontal direction, an anchoring rib is fixedly connected to one side position outside the first expansion plate, a bridge body is arranged below the anchoring rib, a concrete layer is arranged outside the anchoring rib, and the bottom of the concrete layer is fixedly connected to the bridge body. The working quality of the expansion joint device is improved.

Description

Self-drainage expansion joint device for medium and small bridges

Technical Field

The utility model belongs to the technical field of expansion joint devices, and particularly relates to a self-drainage expansion joint device for a medium and small bridge.

Background

The bridge expansion joint sets up the articulated position between two beam ends or between beam end and the abutment usually, requires the expansion joint can freely stretch out and draw back, and is firm reliable, should be comparatively smooth-going when the vehicle goes, do not have jump suddenly and early born noble son, and the effect of expansion joint is very great, in case the expansion joint suffers destruction, will seriously influence the driving speed, travelling comfort and the security above the bridge, causes driving safety accident even.

Most of the existing middle and small bridge expansion joint devices cannot timely discharge accumulated water in the expansion joint, so that the expansion joint structure and the bridge body are easily corroded and damaged by the accumulated water, and the working structures such as the expansion plate and the base plate are easily stressed by external force after long-time working, so that the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-drainage expansion joint device for medium and small bridges, which aims to solve the problems that the existing expansion joint device for the medium and small bridges is not provided with a drainage system or expansion joint water accumulation caused by limited drainage capacity of a drainage mechanism and the expansion joint structure is not protected by a corresponding damping and buffering device.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a well small bridge is from drainage type expansion joint device, includes first expansion plate, the bottom horizontal direction of first expansion plate is provided with first base plate, the plate body top fixed connection of first base plate is in first expansion plate, outside one side position horizontal direction fixedly connected with anchor muscle of first base plate, the below position of anchor muscle is provided with the bridge body, the outside of anchor muscle is provided with concrete layer, concrete layer's bottom fixed connection is in the bridge body, the anchor muscle passes through concrete layer and bridge body fixed connection.

Preferably, a connecting plate is connected to one side of the outer portion of the first substrate in a sliding mode in the horizontal direction, a second substrate is connected to one end, far away from the first substrate, of the connecting plate in the horizontal direction, and a second expansion plate is fixedly connected to the upper portion of the second substrate in the horizontal direction.

Preferably, the expansion joint is arranged below the middle of the first expansion plate and the second expansion plate, a foam plastic layer is arranged above the inside of the expansion joint body, and a water collecting plate is fixedly connected to the lower position of the foam plastic layer.

Preferably, a sewer pipe is fixedly connected to the middle position of the bottom of the water collecting plate in the vertical direction, a main drainage pipe is fixedly connected to one end, away from the water collecting plate, of the sewer pipe in the horizontal direction, a branch drainage pipe is fixedly connected to one side position outside a pipe body of the main drainage pipe in the horizontal direction, and a water outlet head is arranged at one end, away from the main drainage pipe, of the branch drainage pipe.

Preferably, the supporting seat is fixedly connected to the lower position of the first substrate, the damping bin is arranged below the supporting seat, and the bottom of the bin body of the damping bin is provided with the buffer plate.

Preferably, the vertical direction in top of buffer board is provided with buffer, buffer includes the telescopic link, the bottom fixed connection of telescopic link in buffer board, the top fixed connection of telescopic link in supporting seat, the outside of telescopic link is provided with the spring.

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

(1) the expansion joint device is provided with the water collecting and draining structure, the water collecting plate is arranged below the foam plastic layer in the joint body of the expansion joint, the water falling from the upper part of the expansion joint can be collected and treated, and the water is introduced into the drainage mechanism through the sewer pipe below the water collecting plate, so that the timely drainage treatment of the expansion joint in the small bridge is realized, the bridge body, the expansion joint and other structures in the expansion joint caused by accumulated water are prevented from being damaged, and the working quality of the expansion joint device is improved.

(2) The multi-head drainage pipe structure is arranged, the main drainage pipe and the plurality of branch drainage pipes are connected, the main drainage pipe can disperse main flow water into each branch drainage pipe under the condition that the water is urgent, accumulated water in the expansion joint can be discharged through the water outlet head, the drainage efficiency of the self-drainage expansion joint device for the medium and small bridges is greatly improved, and the structural performance of the expansion joint device is optimized.

(3) The utility model is provided with the damping bin and the buffer device, and can provide certain damping protection for structures such as the expansion plate and the base plate above the expansion device by utilizing the elastic force and the buffer effect provided by the expansion rod in the buffer device and the spring, thereby preventing the expansion joint structure from being damaged due to overlarge pressure above the bridge body and prolonging the service life of the expansion joint device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the expansion plate of the present invention;

FIG. 3 is a top view of the drain pipe of the present invention;

FIG. 4 is an enlarged view of the utility model at A;

in the figure: 1. a first expansion plate; 2. a second expansion plate; 3. a first substrate; 4. a second substrate; 5. a connecting plate; 6. anchoring ribs; 7. a bridge body; 8. a concrete layer; 9. a supporting seat; 10. a damping bin; 11. a buffer plate; 12. a buffer device; 120. a telescopic rod; 121. a spring; 13. an expansion joint; 14. a foam plastic layer; 15. a water collection plate; 16. a sewer pipe; 17. a main drain pipe; 18. water distributing and draining pipes; 180. and a water outlet head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a well small bridge is from drainage type expansion joint device, including first expansion plate 1, the bottom horizontal direction of first expansion plate 1 is provided with first base plate 3, the plate body top fixed connection of first base plate 3 is in first expansion plate 1, outside one side position horizontal direction fixedly connected with anchor muscle 6 of first base plate 3, anchor muscle 6 is provided with a plurality of, plate body horizontal direction evenly distributed along first base plate 3, the below position of anchor muscle 6 is provided with bridge body 7, the outside of anchor muscle 6 is provided with concrete layer 8, concrete layer 8 adopts C50 concrete, tensile strength is greater than 50MPa, concrete layer 8's bottom fixed connection is in bridge body 7, anchor muscle 6 passes through concrete layer 8 and bridge body 7 looks fixed connection.

Furthermore, the horizontal direction of the outside one side position of first base plate 3 is connected with connecting plate 5 in a sliding manner, the horizontal direction of the end of connecting plate 5 far away from first base plate 3 is connected with second base plate 4, the horizontal direction of one side of second base plate 4 far away from connecting plate 5 is also fixedly connected with anchoring rib 6, and first base plate 3 along expansion joint 13 are in a symmetrical state, and the horizontal direction of the top position of second base plate 4 is fixedly connected with second expansion plate 2.

Furthermore, an expansion joint 13 is arranged below the middle of the first expansion plate 1 and the second expansion plate 2, a foam plastic layer 14 is arranged above the inside of the expansion joint 13, the foam plastic layer 14 is made of polystyrene foam plastic and has good buffering performance and mechanical performance, and a water collecting plate 15 is fixedly connected below the foam plastic layer 14.

Specifically, the vertical direction fixedly connected with downcomer 16 of bottom intermediate position of water collection sheet 15, downcomer 16 keeps away from the one end horizontal direction fixedly connected with main drain pipe 17 of water collection sheet 15, the outside horizontal direction fixedly connected with branch drain pipe 18 of one side position of body of main drain pipe 17, branch drain pipe 18 is provided with a plurality of, respectively along main drain pipe 17's body evenly distributed, divide drain pipe 18 to keep away from the one end of main drain pipe 17 and seted up out flood peak 180, ponding discharges to the body outside through flood peak 180.

It is worth to say that, a supporting seat 9 is fixedly connected to a lower position of the first substrate 3, a damping chamber 10 is disposed below the supporting seat 9, a buffer plate 11 is disposed at a bottom of a chamber body of the damping chamber 10, and a damping chamber 10 is also disposed below the second substrate 4.

Further, the vertical direction in top of buffer board 11 is provided with buffer 12, and buffer 12 includes telescopic link 120, and the bottom fixed connection of telescopic link 120 in buffer board 11, the top fixed connection of telescopic link 120 in supporting seat 9, the outside of telescopic link 120 is provided with spring 121, and the bottom fixed connection of corresponding spring 121 in buffer board 11 and top fixed connection in the bottom of supporting seat 9.

The working principle and the using process of the utility model are as follows: when the utility model is used, firstly, the anchoring rib 6 is fixedly connected with the bridge body 7, a concrete layer 8 is poured outside the anchoring rib 6 so as to limit the relative position of the anchoring rib and the bridge body 7, a foam plastic layer 14 and a water collecting plate 15 are fixedly arranged inside an expansion joint 13, in the process of working of the expansion joint device, the first expansion plate 1 and the second expansion plate can move oppositely or change the state of the movement away from each other through the connecting plate 5 at the lower positions of the first expansion plate 1 and the second expansion plate 2 so as to ensure the relative stability of the bridge body 7 by utilizing the deformation of the expansion joint device, when the pressure above the first expansion plate 1 and the second expansion plate 2 is overlarge, the buffer device 12 arranged inside the buffer bin 10 can utilize the expansion link 120 and the spring 121 inside the buffer device to provide certain elasticity and buffer effect to carry out shock absorption protection on the structure above, and prevent the main structure of the device and even the bridge body 7 from being damaged, when the expansion joint 13 is internally provided with accumulated water, the water body flows into the main drainage pipe 17 along the sewer pipe 16 below the plate body under the collecting effect of the water collecting plate 15, and when the flow rate of the water body with more accumulated water is large, the accumulated water body is discharged through the plurality of branch drainage pipes 18 outside the pipe body of the main drainage pipe 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a middle and small bridge is from drainage type expansion joint device, includes first expansion plate (1), its characterized in that: the bottom horizontal direction of first expansion plate (1) is provided with first base plate (3), the plate body top fixed connection of first base plate (3) in first expansion plate (1), outside one side position horizontal direction fixedly connected with anchor muscle (6) of first base plate (3), the below position of anchor muscle (6) is provided with the bridge body (7), the outside of anchor muscle (6) is provided with concrete layer (8), the bottom fixed connection of concrete layer (8) is in bridge body (7), anchor muscle (6) are through concrete layer (8) and bridge body (7) looks fixed connection.

2. The self-drainage expansion joint device for medium and small bridges as claimed in claim 1, wherein: the horizontal direction sliding connection of outside one side position of first base plate (3) has connecting plate (5), the one end horizontal direction that first base plate (3) were kept away from in connecting plate (5) is connected with second base plate (4), the top position horizontal direction fixedly connected with second expansion plate (2) of second base plate (4).

3. The self-drainage expansion joint device for medium and small bridges as claimed in claim 2, wherein: the expansion joint (13) is arranged below the middle of the first expansion plate (1) and the second expansion plate (2), a foam plastic layer (14) is arranged above the inside of the joint body of the expansion joint (13), and a water collecting plate (15) is fixedly connected below the foam plastic layer (14).

4. The self-drainage expansion joint device for medium and small bridges as claimed in claim 3, wherein: the water collecting plate is characterized in that a sewer pipe (16) is fixedly connected to the middle position of the bottom of the water collecting plate (15) in the vertical direction, a main drainage pipe (17) is fixedly connected to one end, away from the water collecting plate (15), of the sewer pipe (16) in the horizontal direction, a branch drainage pipe (18) is fixedly connected to one side position outside a pipe body of the main drainage pipe (17) in the horizontal direction, and a water outlet head (180) is arranged at one end, away from the main drainage pipe (17), of the branch drainage pipe (18).

5. The self-drainage expansion joint device for medium and small bridges as claimed in claim 1, wherein: the supporting seat (9) is fixedly connected to the lower position of the first base plate (3), the damping bin (10) is arranged on the lower position of the supporting seat (9), and the buffer plate (11) is arranged at the bottom of the damping bin body (10).

6. The self-drainage expansion joint device for medium and small bridges as claimed in claim 5, wherein: buffer (12) are arranged in the vertical direction of the top of buffer board (11), buffer (12) includes telescopic link (120), the bottom fixed connection of telescopic link (120) is in buffer board (11), the top fixed connection of telescopic link (120) is in supporting seat (9), the outside of telescopic link (120) is provided with spring (121).

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