CN216074718U

CN216074718U - Bridge expansion joint drainage device

Info

Publication number: CN216074718U
Application number: CN202121705317.7U
Authority: CN
Inventors: 沙永建
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-03-18
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a drainage device for a bridge expansion joint, which comprises a beam body and anchoring ribs, wherein the anchoring ribs are arranged at the left end and the right end of the beam body, the anchoring ribs are embedded in the beam body, one end of each anchoring rib is provided with a side beam, the inner side of each side beam is provided with a bending steel bar, a first layer of filter screen is arranged, rainwater and gravels on the surface of the bridge can be removed when raining, the blockage of a cast iron gas release pipe is reduced, the surface is easy to clean, meanwhile, the embedding of a welding surface is also adopted, a second layer of filter screen on the surface can discharge fine sand grains and other particles through a pipe cover, the cast iron gas release pipe is made of steel, the conditions of external leakage and the like are not easy to occur during working, the drainage at the bottom is not easy to corrode, the drainage is carried through a lower connecting pipe, the pipeline drains water downwards along a pier column, and the use effect is improved.

Description

Bridge expansion joint drainage device

Technical Field

The utility model relates to the technical field of drainage devices, in particular to a drainage device for a bridge expansion joint.

Background

A bridge expansion joint is defined as an expansion joint between two beam ends, between a beam end and an abutment, or at a hinge joint of a bridge, in order to meet the requirement of deformation of a bridge deck. 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 rainwater and garbage soil can be prevented from infiltration and blocking; installation, inspection, maintenance, elimination filth all will be simple and easy convenient, and setting up expansion joint department, railing and bridge deck pavement all will break off.

The existing expansion joint drainage device is unreasonable in design in many places, can not effectively drain water, and can not filter completely when filtering, so that the water is often blocked, the bridge deck is overflowed by the water, the structure is simple, the steel plate on the surface can not bear the force, the bottom pipeline is easy to corrode, and the expansion joint drainage device is not suitable for long-time use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drainage device for a bridge expansion joint, which aims to solve the problems that the filtration is incomplete during filtration, the blockage is often caused, water overflows a bridge floor, the structure is simple, a steel plate on the surface cannot bear force, and a pipeline at the bottom is easy to corrode.

In order to achieve the purpose, the utility model provides the following technical scheme: a bridge expansion joint drainage device comprises a beam body and anchoring ribs, wherein the anchoring ribs are arranged at the left end and the right end of the beam body and embedded in the beam body, a side beam is arranged at one end of each anchoring rib, a bent steel bar is arranged on the inner side of each side beam and penetrates through the side beams, middle beams are arranged on the left side and the right side of each bent steel bar, the middle beams and the side beams are fixedly connected through the bent steel bars, a first layer of filter screen is arranged at the top of each bent steel bar and embedded between the side beams and the middle beams, a bottom ring beam is arranged at the bottom of each bent steel bar and penetrates through the beam body, a welding surface is arranged below each bottom ring beam and fixedly connected with the middle beams, a box-type sealing strip is arranged below the welding surface and tightly attached to the welding surface, the bottom of the roof beam body is equipped with the pier stud, just pier stud and roof beam body fixed connection, the middle part of box sealing strip is equipped with the disappointing pipe of cast iron, just the disappointing pipe of cast iron runs through the setting in the box sealing strip, the surperficial middle part of the disappointing pipe of cast iron is equipped with the tube cap, just tube cap and the disappointing pipe swing joint of cast iron, the below of tube cap is equipped with the built-in fitting, just the built-in fitting bottom is equipped with down takes over, just take over and built-in fitting fixed connection down, the bottom of taking over is equipped with the outlet down.

Preferably, the top of the center sill is provided with a steel plate, and the steel plate is arranged on the tops of the edge beam and the center sill.

Preferably, the bottom of the bottom ring beam is provided with a second layer of filter screen, and the second layer of filter screen is tightly attached to the welding surface.

Preferably, the steel plate is in a grid shape, and the size of each gap of the steel plate is equal.

Preferably, the bottoms of the embedded parts are embedded by adopting spiral threads, and the spiral threads are uniformly arranged.

Compared with the prior art, the utility model has the beneficial effects that: the bridge expansion joint drainage device is provided with the steel plate which is in a grid-shaped design, the drainage effect is enhanced by discharging rainwater through gaps, the hardness of the steel plate is extremely high, when vehicles such as automobiles pass through the bridge, the stress condition of the steel plate is ensured, the steel plate is not easy to bend, the first layer of filter screen is arranged, when rainwater and gravels on the surface of the bridge rain, can eliminate broken stone residues and the like, reduces the blockage of the cast iron gas leakage pipe, is easy to clean the surface, and simultaneously adopts the embedding of a welding surface, the second layer of filter screen on the surface can discharge fine sand grains and other particles through the pipe cover, and the cast iron gas leakage pipe is made of steel, so that the leakage is not easy to occur during the work, the drainage at the bottom is not corroded easily to through takeover transport down, the pipeline is along pier stud drainage down, has improved the effect of using.

Drawings

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

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is a schematic view of the structure of the cast iron bleeder of the present invention;

in the figure: 1. the pipe comprises a pipe cover, 2, an embedded part, 3, a lower connecting pipe, 4, a pier stud, 5, a beam body, 6, a first layer of filter screen, 7, a cast iron air leakage pipe, 8, a bottom ring beam, 9, a welding surface, 10, a box-type sealing strip, 11, a steel plate, 12, a side beam, 13, a bent steel bar, 14, a water outlet, 15, a second layer of filter screen, 16, a middle beam, 17 and an anchoring rib.

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. 1-3, the present invention provides a technical solution: a bridge expansion joint drainage device comprises a beam body 5 and anchor bars 17, wherein the anchor bars 17 are arranged at the left end and the right end of the beam body 5, the anchor bars 17 are embedded in the beam body 5, a side beam 12 is arranged at one end of each anchor bar 17, a bent steel bar 13 is arranged on the inner side of the side beam 12, the bent steel bars 13 and the side beam 12 are arranged in a penetrating manner, middle beams 16 are arranged at the left side and the right side of each bent steel bar 13, the middle beams 16 and the side beams 12 are fixedly connected through the bent steel bars 13, a first layer of filter screen 6 is arranged at the top of each bent steel bar 13, the first layer of filter screen 6 is embedded between the side beams 12 and the middle beams 16, bottom ring beams 8 are arranged at the bottoms of the bent steel bars 13, the bottom ring beams 8 are arranged in the beam body 5 in a penetrating manner, welding faces 9 are arranged below the bottom ring beams 8, and the welding faces 9 are fixedly connected with the

middle beams

16, 9 below of face of weld are equipped with box sealing strip 10, just box sealing strip 10 closely laminates with face of weld 9, the bottom of the roof beam body 5 is equipped with pier stud 4, just

pier stud

4 and 5 fixed connection of the roof beam body, the middle part of box sealing strip 10 is equipped with the disappointing pipe of cast iron 7, just the disappointing pipe of cast iron 7 runs through the setting in box sealing strip 10, the surperficial middle part of the disappointing pipe of cast iron 7 is equipped with housing 1, just housing 1 and 7 swing joint of the disappointing pipe of cast iron, the below of housing 1 is equipped with built-in fitting 2, just 2 bottoms of built-in fitting are equipped with down and take over 3, just take over 3 and 2 fixed connection of built-in fitting down, the bottom of taking over 3 is equipped with outlet 14 down.

Preferably, the top of the center sill 16 is provided with a steel plate 11, the steel plate 11 is installed on the top of the edge sill 12 and the top of the center sill 16, the steel plate 11 is in a grid-shaped design, rainwater is drained through gaps, the drainage effect is improved, the hardness of the steel plate 11 is extremely high, and the stress condition of the steel plate 11 is guaranteed.

Preferably, the bottom of the bottom ring beam 8 is provided with a second layer of filter screen 15, the second layer of filter screen 15 is tightly attached to the welding surface 9, double-layer filter screens are adopted for filtering, and the grids on the surface of the pipe cover 1 are arranged in a crossed manner, so that fine sludge is effectively removed, and the removing device is not blocked.

Preferably, the steel plate 11 is "net" form, just every size of the gap of steel plate 11 all equals, can effectually pass through the gap drainage, has improved the effect of bridge drainage, increases the device's practicality.

Preferably, the 2 bottoms of built-in fitting have adopted the spiral line embedding, just the spiral line is align to grid, through built-in fitting 2 with lower 3 zonulae occludens of pipe, adopt the spiral line to connect, guaranteed to change the stability of lower pipe 3, be difficult for leading to the hourglass because of long-time work.

The working principle is as follows: for the bridge expansion joint drainage device, firstly, a beam body 5 is erected on a pier stud 4, then, the beam body 5 is arranged in the beam body 5 through embedding of an anchoring rib 17, so that the beam body 5 is stably connected, an edge beam 12 is tightly attached to the beam body 5, meanwhile, a bottom ring beam 8 is adopted for fixing, when the bridge is expanded with heat and contracted with cold, a bending reinforcing steel bar 13 is elastically compressed with a middle beam 16 to ensure the stability of the expansion joint, then, a welding surface 9 is tightly attached to a box-type sealing strip 10, a cast iron gas release pipe 7 is arranged in a penetrating way with the welding surface 9, then, an embedded part 2 is connected with a lower connecting pipe 3, when the bridge enters into the expansion joint, a steel plate 11 can effectively discharge water through gaps, the bridge drainage effect is improved, when a large amount of rainwater enters the expansion joint, a second filter screen 15 can discharge tiny gravel of sand grains through the cast iron pipe 7, and simultaneously can discharge a large amount of water, the pipe cover 1 at the top of the cast iron air escape pipe 7 can remove overlarge sand and stone, so that the blockage of the embedded part 2 is reduced, the normal work of the lower connecting pipe 3 is facilitated, finally, sewage and sand and stone are discharged through the water outlet 14, and the lower connecting pipe 3 can flow downwards along the pier stud 4.

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

1. The utility model provides a bridge expansion joint drainage device, includes the roof beam body (5) and anchor muscle (17), its characterized in that: the beam is characterized in that anchoring ribs (17) are arranged at the left end and the right end of the beam body (5), the anchoring ribs (17) are embedded in the beam body (5), a side beam (12) is arranged at one end of each anchoring rib (17), a bending steel bar (13) is arranged on the inner side of each side beam (12), the bending steel bars (13) and the side beams (12) are arranged in a penetrating mode, middle beams (16) are arranged on the left side and the right side of each bending steel bar (13), the middle beams (16) and the side beams (12) are fixedly connected through the bending steel bars (13), a first layer of filter screen (6) is arranged at the top of each bending steel bar (13), the first layer of filter screen (6) is embedded between the side beams (12) and the middle beams (16), a bottom ring beam (8) is arranged at the bottom of each bending steel bar (13), the bottom ring beam (8) is arranged in the beam body (5) in a penetrating mode, and a welding surface (9) is arranged below the bottom ring beam (8), the welding surface (9) is fixedly connected with the middle beam (16), a box-shaped sealing strip (10) is arranged below the welding surface (9), the box-type sealing strip (10) is tightly attached to the welding surface (9), the bottom of the beam body (5) is provided with a pier stud (4), the pier stud (4) is fixedly connected with the beam body (5), the middle part of the box-shaped sealing strip (10) is provided with a cast iron air release pipe (7), and the cast iron gas leakage pipe (7) is arranged in the box-type sealing strip (10) in a penetrating way, the middle part of the surface of the cast iron gas leakage pipe (7) is provided with a pipe cover (1), the pipe cover (1) is movably connected with the cast iron gas release pipe (7), an embedded part (2) is arranged below the pipe cover (1), and a lower connecting pipe (3) is arranged at the bottom of the embedded part (2), the lower connecting pipe (3) is fixedly connected with the embedded part (2), and a water outlet (14) is arranged at the bottom of the lower connecting pipe (3).

2. The drainage device for bridge expansion joints of claim 1, wherein: the top of the center sill (16) is provided with a steel plate (11), and the steel plate (11) is arranged on the top of the edge beam (12) and the top of the center sill (16).

3. The drainage device for bridge expansion joints of claim 1, wherein: the bottom of the bottom ring beam (8) is provided with a second layer of filter screen (15), and the second layer of filter screen (15) is tightly attached to the welding surface (9).

4. The drainage device for bridge expansion joints of claim 2, wherein: the steel plate (11) is in a grid shape, and the size of each gap of the steel plate (11) is equal.

5. The drainage device for bridge expansion joints of claim 1, wherein: the bottom of the embedded part (2) is embedded by adopting spiral grains, and the spiral grains are uniformly arranged.