CN219099796U

CN219099796U - Closed drainage system for cross-sea bridge

Info

Publication number: CN219099796U
Application number: CN202223086250.0U
Authority: CN
Inventors: 朱双欣; 赵阳阳; 鲜朝辉; 林令强; 陈德利; 任小强; 张乐; 田川
Original assignee: Sinohydro Bureau 5 Co Ltd
Current assignee: Sinohydro Bureau 5 Co Ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-30
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a closed drainage system for a cross-sea bridge, which comprises a plurality of water collecting tanks arranged between adjacent bridges, wherein downpipes are arranged below the water collecting tanks, one ends of the downpipes, which are far away from the water collecting tanks, are connected with drainage pipes, and the closed drainage system also comprises an oil-water separation device which is arranged on the drainage pipes in series. By adopting the technical scheme, through being provided with a plurality of water catch basins on the bridge, the water catch basin below is connected to the drain pipe through the downpipe, realizes collecting the rainwater that collects from the bridge floor in the drain pipe through the downpipe, and the oil-water separation device of establishing ties setting on the drain pipe can carry out oil-water separation with waste water, discharges the clear water that does not contain oily after the separation treatment, avoids environmental pollution.

Description

Closed drainage system for cross-sea bridge

Technical Field

The utility model relates to a bridge drainage system, in particular to a closed drainage system for a cross-sea bridge.

Background

At present, a drainage system structure adopted by a cross-sea bridge is generally characterized in that a drainage hole is formed in a bridge deck, a downpipe which is directly communicated with a water body is arranged below the drainage hole, and after rain, rain sewage on the bridge deck is collected through the drainage hole and then is directly discharged into the water body through a pier downpipe or the downpipe. If special conditions occur on the bridge deck, such as traffic accidents like tank trucks, the leakage of vehicle leaked oil can occur, and in the existing bridge drainage system, the vehicle leaked oil can flow into the water area where the bridge is located along with the drainage port of the bridge, so that water pollution accidents are caused.

Disclosure of Invention

In view of the above, the utility model provides a closed drainage system for a cross-sea bridge, which can effectively avoid oil from directly entering a water area where the bridge is located and avoid water pollution accidents.

The technical scheme adopted by the utility model is as follows: the utility model provides a closed drainage system for striding sea bridge, includes a plurality of water catch bowl that sets up between adjacent bridge, the below of water catch bowl all is provided with the downspout, and the one end that the water catch bowl was kept away from to the downspout is connected with the drain pipe, still includes the oil water separator who establishes ties and set up on the drain pipe.

By adopting the technical scheme, through being provided with a plurality of water catch basins on the bridge, the water catch basin below is connected to the drain pipe through the downpipe, realizes collecting the rainwater that collects from the bridge floor in the drain pipe through the downpipe, and the oil-water separation device of establishing ties setting on the drain pipe can carry out oil-water separation with waste water, discharges the clear water that does not contain oily after the separation treatment, avoids environmental pollution.

In the preferred technical scheme, the slope of 4% -6% is arranged at the periphery of the bottom of the water collecting tank towards the center, a water outlet is reserved at the center of the water collecting tank, and the top end of the downpipe is communicated with the water outlet.

In the preferred technical scheme, the oil-water separation device is an oil-water separation water tank, an inflow pipe and an outflow pipe are arranged on the oil-water separation water tank, the inflow pipe is communicated with a drain pipe, and the outflow pipe is communicated with the sea body.

In the preferred technical scheme, still be provided with vertical fixed subassembly and the horizontal fixed subassembly that is used for fixed drain pipe between the bridge.

Further, the vertical fixed subassembly is including hanging lead screw and first staple bolt, the one end fixed connection who hangs the lead screw is in the downside of bridge deck between the bridge, and the other end and first staple bolt swing joint, first staple bolt cover is established on the drain pipe.

Specifically, be provided with on the first staple bolt with hang lead screw complex internal thread hole, the vertical suspension lead screw of setting is connected with the internal thread hole cooperation.

By adopting the preferable technical scheme, the position of the first anchor ear on the suspension screw rod can be adjusted through the threaded connection structure of the suspension screw rod and the first anchor ear, so that the installation height of the drain pipe is adjusted; the hanging screw rod also has the function of vertical support on the drain pipe.

Further, horizontal fixed subassembly is including setting up antidetonation gallows and second staple bolt between the stand of bridge, antidetonation gallows's both ends and the stand fixed connection of bridge, and the second staple bolt is fixed to be set up in antidetonation gallows's middle part, and the second staple bolt cover is established on the drain pipe.

By adopting the preferable technical scheme, through the structural arrangement of the anti-seismic hanging frame and the second anchor ear, the anti-seismic hanging frame is a cross beam vertically arranged on the T beam web, has certain elasticity, can transversely support the drain pipe and can absorb small-amplitude transverse amplitude of the drain pipe, thereby playing an anti-seismic role.

In the preferred technical scheme, the water collecting tank adopts an integrally formed galvanized steel sheet structural member, and the drainage pipeline is an industry standard product, so that the overall structure is attractive; the hanging hanger has high bearing capacity and is simple to install at the bottom of the beam.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: through being provided with a plurality of water catch basins on the bridge, the water catch basin below is connected to the drain pipe through the downspout, realizes collecting the rainwater of collecting from the bridge floor to the drain pipe through the downspout in, and the oil water separator who establishes ties the setting on the drain pipe can carry out oil water separation with waste water, discharges the clear water that does not contain oily after the separation treatment, avoids environmental pollution.

Drawings

The utility model will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a sump and pipe arrangement in an embodiment of the utility model;

FIG. 3 is a schematic view of a longitudinal fixation assembly installation in an embodiment of the present utility model;

FIG. 4 is a schematic view of a transverse fixation assembly installation in an embodiment of the present utility model;

fig. 5 is an enlarged schematic view of the part a sump structure of fig. 1.

Reference numerals

Bridge-1; a water collecting tank-2; a downpipe-3; a drain pipe-4; an oil-water separation tank 5; an inflow pipe-6; an outflow tube-7; hanging a screw rod-8; the first anchor ear-9; an anti-seismic hanger-10; the second hoop-11; reducing three-way pipe-12; bolt-on assembly-13.

Detailed Description

The embodiment of the utility model discloses a closed drainage system for a cross-sea bridge, which can effectively avoid dangerous chemicals and oil from entering a water area where a bridge 1 is positioned, and can increase the drainage and reduce the blockage of a pipeline.

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1, 2 and 5, the closed drainage system for the cross-sea bridge comprises a plurality of water collecting tanks 2, wherein the water collecting tanks 2 are integrally formed galvanized steel sheet structural members, the water collecting tanks 2 are arranged at the bottoms of beam end flange plates arranged between each two bridges 1 and are arranged along the width direction of the beam ends of the bridge, the cross sections of the water collecting tanks 2 are of trapezoid structures, one ends of the cross sections are fixed, the other ends of the cross sections are free, particularly, one ends of the top ends of the cross sections are fixed with the end faces of the bottom ends of the beam ends through bolt fixing assemblies 13, the other ends of the cross sections are movable, the bottoms of the cross sections are fixedly connected with bridge columns through the bolt fixing assemblies 13 so as to adapt to the change of the drainage width of the beam ends when the bridge 1 slides, 4% -6% gradients are arranged at the periphery of the bottoms of the water collecting tanks 2 towards the center, water outlets are reserved at the center of the water collecting tanks 2, the cross section of delivery port is circular, and the size is phi 110mm, and the preferential 5% slope of delivery port both sides is put the slope to in the rainwater of collecting is followed overflow to the delivery port, downpipe 3 of vertical direction is all installed to the below of water catch bowl 2, and the size of downpipe 3 is preferably phi 110mm, and the upper end water inlet of downpipe 3 is connected with water catch bowl 2 delivery port, still is provided with sealing washer in the junction, in order to guarantee the leakproofness of junction, and the one end that the downpipe 3 was kept away from water catch bowl 2 links drain pipe 4 through reducing tee pipe 12, and a plurality of downpipe 3 is parallelly connected on drain pipe 4 sets up, will collect the rainwater that is followed the bridge floor and is collected in drain pipe 4 through downpipe 3, because the sharp increase of its discharge flow, so set up the size of drain pipe 4 to phi 500mm, conveniently drain after unifying the waste water that will collect.

Further, considering that the bridge deck is special, such as when traffic accident, dangerous chemical substances or vehicle leakage oil can spill the bridge deck and flow into the water area where the bridge 1 is located along with the drainage port of the bridge 1, can possibly have pollutants such as oil in the collected waste water, can not directly discharge the pollutants into the sea water, so in the technical scheme, the drain pipe 4 is further provided with a purification device for further processing the waste water in series, and specifically, the device further comprises an oil-water separation device arranged on the drain pipe 4 in series, the oil-water separation device is arranged on the ground, can separate the waste water from the oil, discharges clear water which does not contain oil after separation into the water area, and avoids environmental pollution.

In a preferred embodiment, the oil-water separation device is an oil-water separation water tank 5, and the oil-water separation water tank 5 is also called an oil-water processor, and is a water treatment device commonly used in industry, and can effectively separate water and oil. The working principle is designed by utilizing the density difference principle, and when water flows through the bottom of the tank body, the density of the water is higher than that of the oil, so that a certain pressure difference is generated, and the water and the oil are separated; and simultaneously, the water surface rises by a certain height under the action of buoyancy and falls to form a negative pressure area. Thus, the purpose of treating the water quality can be achieved. The oil-water separation water tank 5 is provided with an inflow pipe 6 and an outflow pipe 7, the inflow pipe 6 is communicated with the drain pipe 4, the outflow pipe 7 is communicated with the sea body, when the oil-containing wastewater is used, after being collected into the drain pipe 4, the wastewater enters the oil-water separation water tank 5 through the inflow pipe 6, firstly, the wastewater flows into the settling chamber through a water flow channel between the partition plates, and under the action of gravity, larger suspended matters and impurities in the wastewater can be precipitated at the lower part of the settling chamber and then discharged out of the settling chamber through the mud discharging pipe. The lighter substances are trapped between the partition boards, the grease in the wastewater flows into the separating funnel through the overflow groove to be mixed with clear water and flow out, and finally flows out from the water outlet.

It should be noted that, in this technical solution, only the drain pipe 4 is provided with a device capable of separating oil from water, and the corresponding type of the structure of the device itself may be selected with reference to an industrially commonly used oil-water separation tank in the prior art, which is not specifically limited and described in detail in this embodiment, so that a person skilled in the art may perform the function of separating oil from water in this technical solution according to the related description of the oil-water separator in the prior art.

Example two

Based on the technical scheme of the first embodiment, a preferred technical scheme is provided in this embodiment, referring to fig. 3 and fig. 4, specifically, a longitudinal fixing component and a transverse fixing component for fixing the drain pipe 4 are further disposed between the bridges 1, and the position of the drain pipe 4 can be adjusted and fixed through the arrangement of the longitudinal fixing component and the transverse fixing component, so that the drain pipe can resist shaking to a certain extent, and the stability of the whole pipeline structure is ensured.

In specific embodiments, referring to fig. 3, the longitudinal fixing assembly includes a suspension screw rod 8 and a first anchor ear 9, one end of the suspension screw rod 8 is fixedly connected to the underside of the bridge deck between the bridges 1, the other end is movably connected to the first anchor ear 9, the first anchor ear 9 is sleeved on the drain pipe 4, and the suspension screw rod is used for hoisting the first anchor ear 9 connected with the drain pipe 4 below the bridge deck, so as to fix the vertical height of the drain pipe 4.

In further embodiments, the position of the first anchor ear 9 on the hanging screw rod can be adjusted, so that the installation height of the drain pipe 4 is adjusted, and the concrete structure is that the first anchor ear 9 is provided with an internal threaded hole matched with the hanging screw rod 8, the hanging screw rod 8 arranged vertically is matched and connected with the internal threaded hole, the position of the first anchor ear 9 on the hanging screw rod 8 can be adjusted by rotating the first anchor ear 9, and then the first anchor ear 9 and the drain pipe 4 are installed and fixed.

In further embodiments, referring to fig. 4, the horizontal fixing component includes an anti-seismic hanger 10 and a second anchor ear 11 disposed between the columns of the bridge 1, two ends of the anti-seismic hanger 10 are fixedly connected with the columns of the bridge 1, the second anchor ear 11 is fixedly disposed in the middle of the anti-seismic hanger 10, the second anchor ear 11 is sleeved on the drain pipe 4, the anti-seismic hanger 10 is vertically mounted on the cross beam of the T-beam web and has a certain elasticity, so that the drain pipe 4 can be transversely supported, and meanwhile, the horizontal amplitude of the small amplitude of the drain pipe 4 can be absorbed, and an anti-seismic effect is achieved.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A closed drainage system for striding sea bridge, its characterized in that includes water catch bowl (2) of a plurality of setting between adjacent bridge (1), the below of water catch bowl (2) all is provided with downspout (3), and one end that downspout (3) kept away from water catch bowl (2) is connected with drain pipe (4), still includes the oil water separating device of series connection setting on drain pipe (4).

2. The closed drainage system for the cross-sea bridge according to claim 1, wherein the slope of 4% -6% is arranged at the periphery of the bottom of the water collecting tank (2) towards the center, a water outlet is reserved at the center of the water collecting tank (2), and the top end of the downpipe (3) is communicated with the water outlet.

3. The closed drainage system for the cross-sea bridge according to claim 1, wherein the oil-water separation device is an oil-water separation water tank (5), an inflow pipe (6) and an outflow pipe (7) are arranged on the oil-water separation water tank (5), the inflow pipe (6) is communicated with the drainage pipe (4), and the outflow pipe (7) is communicated with the sea.

4. A closed drainage system for a cross-sea bridge according to claim 1, characterized in that the bridge (1) is further provided with a longitudinal fixing assembly and a transverse fixing assembly for fixing the drainage pipe (4).

5. The closed drainage system for a cross-sea bridge according to claim 4, wherein the longitudinal fixing component comprises a hanging screw rod (8) and a first hoop (9), one end of the hanging screw rod (8) is fixedly connected to the lower side of a bridge deck between the bridges (1), the other end of the hanging screw rod is movably connected with the first hoop (9), and the first hoop (9) is sleeved on the drainage pipe (4).

6. The closed drainage system for the cross-sea bridge according to claim 5, wherein the first anchor ear (9) is provided with an internal threaded hole matched with the suspension screw rod (8), and the suspension screw rod (8) arranged vertically is matched and connected with the internal threaded hole.

7. The closed drainage system for a cross-sea bridge according to claim 4, wherein the transverse fixing assembly comprises an anti-seismic hanging frame (10) and a second hoop (11), wherein the anti-seismic hanging frame (10) and the second hoop (11) are arranged between the upright posts of the bridge (1), two ends of the anti-seismic hanging frame (10) are fixedly connected with the upright posts of the bridge (1), the second hoop (11) is fixedly arranged in the middle of the anti-seismic hanging frame (10), and the second hoop (11) is sleeved on the drainage pipe (4).

8. A closed drainage system for cross-sea bridges according to claim 1, characterized in that the water collection trough (2) is made of integrally formed galvanized steel sheet structures.