CN217976305U

CN217976305U - Tunnel drainage system

Info

Publication number: CN217976305U
Application number: CN202221097406.2U
Authority: CN
Inventors: 刘达; 罗兆龙; 冼彩红; 刘元基; 马永福
Original assignee: Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Current assignee: Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-12-06
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a tunnel drainage system, including the elasticity road surface layer, the air duct with be used for collecting the catch basin of tunnel ponding, the below of elasticity road surface layer is equipped with gaseous collection device, the bottom of catch basin is equipped with the pressure cell, the inlet end of air duct links to each other with gaseous collection device, the end of giving vent to anger of air duct stretches into the inside of pressure cell, be equipped with first check valve on the air duct, under the vehicle state of rolling, elastic deformation takes place for the elasticity road surface layer, pass through the air duct gas among the gaseous collection device inside the pressure cell of impressing, be equipped with the water inlet that is linked together with the catch basin on the pressure cell, be equipped with the switch that is used for opening or closing the water inlet on the pressure cell, be equipped with the outlet pipe that is used for discharging ponding in the pressure cell on the pressure cell, this tunnel drainage system simple structure, the pressure that utilizes pressure cell and vehicle to go produces a small amount of a lot of ponding to press to rainwater inspection well, thereby need not frequent the water pump of opening and clear away ponding, play energy-concerving and environment-concerving effects.

Description

Tunnel drainage system

Technical Field

The utility model is used for tunnel drainage technical field especially relates to a tunnel drainage system.

Background

Because municipal tunnel undercut section's road surface elevation is lower, the rainwater collects the minimum in tunnel and unable gravity flow is from arranging during rainy, at present, in order to avoid tunnel ponding, the side of tunnel minimum sets up rainwater pump house and catch basin usually, utilizes the immersible pump to promote the rainwater pressure flow and arranges peripheral rainwater well, and the start-up of pump station all needs a large amount of electric energy of consumption at every turn, belongs to not energy-conserving measure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a tunnel drainage system, it can be with the ponding discharge in the tunnel, and energy-concerving and environment-protective.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a tunnel drainage system, includes elasticity road surface layer, air duct and the catch basin that is used for collecting tunnel ponding, the below of elasticity road surface layer is equipped with gaseous collection device, the bottom of catch basin is equipped with the pressure cell, the inlet end of air duct with gaseous collection device links to each other, the end of giving vent to anger of air duct stretches into the inside of pressure cell, be equipped with first check valve on the air duct, under the vehicle state of rolling, elasticity road surface layer takes place elastic deformation, will gaseous among the gaseous collection device passes through the air duct is impressed inside the pressure cell, be equipped with on the pressure cell with the water inlet that the catch basin is linked together, be equipped with on the pressure cell and be used for opening or closing the switch of water inlet, be equipped with on the pressure cell and be used for discharging the outlet pipe of ponding in the pressure cell.

Preferably, the water inlet end of the water outlet pipe is connected with the side face of the pressure tank, the water outlet end of the water outlet pipe extends into the rainwater inspection well, and the water outlet pipe is provided with a second check valve.

Preferably, the water inlet is arranged at the top of the pressure tank, and the switch comprises a baffle plate for blocking the water inlet, and the baffle plate is positioned inside the water collecting tank.

Preferably, a spring is arranged between the pressure cell and the baffle plate, one end of the spring is arranged on the periphery of the water inlet, and the other end of the spring is connected with the baffle plate.

Preferably, the side of elasticity road surface layer is equipped with the escape canal, the escape canal with the catch basin is linked together, the elasticity road surface layer has horizontal slope and slope to the escape canal.

Preferably, the gas collecting device comprises a wrapping layer used for wrapping the lower part of the elastic pavement layer, and the gas inlet end of the gas guide tube is communicated with the lower part of the elastic pavement layer through the wrapping layer.

Preferably, the water collecting device further comprises a water discharging pipe, the water inlet end of the water discharging pipe extends into the bottom of the water collecting tank, and the water outlet end of the water discharging pipe extends towards the outside of the water collecting tank.

Preferably, the drain pipe is provided with a water pump, and the water pump is positioned at the bottom of the water collecting tank.

Preferably, a water pump room is arranged above the water collecting tank, and the water outlet end of the drain pipe extends into the rainwater inspection well through the water pump room.

Preferably, a third water stop valve is arranged on the drain pipe and is positioned in the water pump room.

One of the above technical solutions has at least one of the following advantages or beneficial effects: the tunnel drainage system is characterized in that a gas collecting device is arranged below an elastic pavement layer, a pressure pool is arranged at the bottom of a water collecting pool, so that the elastic pavement layer is elastically deformed in a vehicle rolling state, gas in the gas collecting device is pressed into the pressure pool through a gas guide pipe, a water inlet and a switch are arranged on the pressure pool, so that the purpose that accumulated water in the pressure pool is discharged into a rainwater inspection well through a water outlet pipe in the vehicle rolling state by the switch, the pressure pool is filled with rainwater in the water collecting pool through the water inlet in the non-vehicle rolling state, the accumulated water in the water collecting pool can be discharged in a small amount and multiple batches without consuming energy is achieved, the tunnel drainage system is simple in structure, under the conditions of low rainfall intensity and short duration, partial accumulated water is pressed into the rainwater inspection well through the pressure generated by the pressure pool and vehicle running in a small amount and multiple times, the accumulated water does not need of frequent turning on of a water pump to clear away the accumulated water, the turning-on frequency and the intensity of the water pump are greatly reduced, and the energy-saving and environmental protection effects are achieved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the utility model, the meaning of "several" is one or more, the meaning of "a plurality of" is more than two, "greater than", "less than", "exceed" and so on are understood as not including the number; "above", "below", "within" and the like are understood to include the present numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features is implicitly indicated or that the precedence of the indicated technical features is implicitly indicated.

In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically connected, may be electrically connected or may be capable of communicating with each other; either internal to the two elements or in an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

The embodiment of the utility model provides a tunnel drainage system, refer to fig. 1, including elastic pavement layer 100, air duct 200 and catch basin 300 for collecting tunnel ponding, the below of elastic pavement layer 100 is equipped with gas collecting device 110, the bottom of catch basin 300 is equipped with pressure tank 310, the inlet end of air duct 200 links to each other with gas collecting device 110, the outlet end of air duct 200 stretches into the inside of pressure tank 310, be equipped with first check valve 210 on air duct 200, first check valve 210 can avoid rainwater to flow back to elastic pavement layer 100, guarantee that gas constantly gets into the inside pressure that produces of pressure tank 310, under the vehicle state of rolling, elastic pavement layer 100 takes place elastic deformation, push the gas in gas collecting device 110 into the inside of pressure tank 310 through air duct 200, be equipped with the water inlet 320 that is linked with catch basin 300 on the pressure tank 310, be equipped with the switch 330 that is used for opening or closing water inlet 320 on pressure tank 310, the tunnel drainage system has a simple structure, and can utilize the pressure generated by the pressure tank 310 and the running vehicle to press part of accumulated water into the rainwater inspection well 400 for a plurality of times in the case of low rainfall intensity and short duration to realize the purpose of draining the accumulated water without consuming energy by utilizing the pressure generated by the pressure tank 310 and the running vehicle to press part of the accumulated water into the rainwater inspection well 400 for a plurality of times, therefore, the water pump 510 does not need to be frequently started to remove accumulated water, the starting frequency and the strength of the water pump 510 are greatly reduced, and the effects of energy conservation and environmental protection are achieved.

Preferably, the elastic pavement layer 100 is disposed at the lowest point of the tunnel, and the elastic pavement layer 100 has relatively large elasticity and sufficient clearance, so as to effectively transmit the air pressure caused by the compression of the elastic pavement layer 100 into the pressure tank 310.

It will be appreciated that the pressure cell 310 is much smaller in volume than the sump 300 to facilitate more sensitive conductive gas pressures.

Preferably, referring to fig. 1, the water inlet end of the water outlet pipe 340 is connected to the side surface of the pressure cell 310, the water outlet end of the water outlet pipe 340 extends into the rainwater manhole 400, the water outlet pipe 340 is provided with a second check valve 341, and the second check valve 341 can facilitate the water in the pressure cell 310 to flow out, so as to prevent the water in the rainwater manhole 400 from flowing back into the pressure cell 310.

In some embodiments, referring to fig. 2, the water inlet 320 is disposed at the top of the pressure tank 310, the switch 330 includes a baffle 331 for blocking the water inlet 320, the baffle 331 is disposed inside the water tank 300, under the condition that the road surface is not rolled, the baffle 331 sags under the action of gravity, the water inlet 320 is opened, the water in the water tank 300 enters the pressure tank 310 through the water inlet 320, under the rolling condition of the vehicle, the gas enters the pressure tank 310 through the air duct 200, under the rolling condition of the vehicle, the baffle 331 floats upwards to block the water inlet 320, the pressure in the pressure tank 310 is increased, the accumulated water in the pressure tank 310 is discharged to the rainwater inspection well 400 through the water outlet pipe 340, after the vehicle passes through the elastic pavement 100, the pressure in the pressure tank 310 is reduced due to the reduction of the water amount, the baffle 331 is opened downwards again, the rainwater flows from the water tank 300 to the pressure tank 310 again, the pressure tank 310 is filled with rainwater, and the circulation is performed, so that the accumulated water is pressed into the rainwater inspection well 400 in small amount and in multiple batches.

Preferably, referring to fig. 2, a spring 332 is disposed between the pressure cell 310 and the baffle 331, one end of the spring 332 is disposed at the periphery of the water inlet 320, and the other end of the spring 332 is connected to the baffle 331, the spring 332 connects the pressure cell 310 and the baffle 331, so as to ensure that the baffle 331 can effectively block the water inlet 320 and prevent the baffle 331 from displacing, and the baffle 331 has a buffering function, so as to prevent the baffle 331 and the pressure cell 310 from being damaged under the pressure.

It is understood that in some embodiments, the switch 330 may also be composed of a pressure sensor and a valve, when the pressure in the pressure tank 310 is low, the valve is kept open, so that the water in the water collecting tank 300 enters the pressure tank 310 through the water inlet 320, when the pressure in the pressure tank 310 is high, the valve is kept closed, so that the accumulated water in the pressure tank 310 is discharged to the rainwater inspection well 400 through the water outlet pipe 340.

Preferably, referring to fig. 1, the side of the elastic road surface layer 100 is provided with a drainage ditch, the drainage ditch is communicated with the water collecting tank 300, and the elastic road surface layer 100 has a lateral slope and a sloping drainage ditch, so that rainwater in the tunnel can flow into the water collecting tank 300 through the drainage ditch under the action of gravity.

In some embodiments, referring to fig. 1, the gas collecting means 110 comprises a wrapping layer for wrapping the lower portion of the elastic pavement layer 100, and the gas inlet end of the gas guiding tube 200 is communicated with the lower portion of the elastic pavement layer 100 through the wrapping layer to improve the sensitivity, so that the air pressure caused by the extrusion of the elastic pavement layer 100 is effectively transmitted to the pressure tank 310.

Referring to fig. 1, the tunnel drainage system further includes a drainage pipe 500, a water inlet end of the drainage pipe 500 extends into the bottom of the sump 300, and a water outlet end of the drainage pipe 500 extends toward the outside of the sump 300 to drain water from the sump 300.

Referring to fig. 1, a water pump 510 is installed on the drain pipe 500, and the water pump 510 is located at the bottom of the sump 300 to facilitate the emptying of the water in the sump 300.

Referring to fig. 1, a water pump room 600 is arranged above the water collecting tank 300, the water outlet end of the drain pipe 500 extends into the rainwater inspection well 400 through a water pump 510 room, and the water pump room 600 is convenient for controlling the working state of the water pump 510.

As a preferred embodiment of the present invention, referring to fig. 1, the drain pipe 500 is provided with a third water stop valve 520, and the third water stop valve 520 is located in the water pump room 600 to prevent water in the rainwater inspection well 400 from flowing back to the water collecting tank 300.

In the description of the present specification, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.

Claims

1. A tunnel drainage system is characterized in that: including elasticity road surface layer, air duct and the catch basin that is used for collecting tunnel ponding, the below of elasticity road surface layer is equipped with gaseous collection device, the bottom of catch basin is equipped with the pressure cell, the inlet end of air duct with gaseous collection device links to each other, the end of giving vent to anger of air duct stretches into the inside of pressure cell, be equipped with first check valve on the air duct, under the vehicle state of rolling, elastic deformation takes place for elasticity road surface layer, will gaseous among the gaseous collection device passes through the air duct is impressed inside the pressure cell, be equipped with on the pressure cell with the water inlet that the catch basin is linked together, be equipped with on the pressure cell and be used for opening or closing the switch of water inlet, be equipped with on the pressure cell and be used for discharging the outlet pipe of ponding in the pressure cell.

2. The tunnel drainage system of claim 1, wherein: the water inlet end of the water outlet pipe is connected with the side face of the pressure tank, the water outlet end of the water outlet pipe extends into the rainwater inspection well, and the water outlet pipe is provided with a second check valve.

3. The tunnel drainage system of claim 1, wherein: the water inlet is arranged at the top of the pressure tank, the switch comprises a baffle plate for blocking the water inlet, and the baffle plate is positioned inside the water collecting tank.

4. The tunnel drainage system of claim 3, wherein: a spring is arranged between the pressure cell and the baffle plate, one end of the spring is arranged on the periphery of the water inlet, and the other end of the spring is connected with the baffle plate.

5. The tunnel drainage system of claim 1, wherein: the side of elasticity road surface layer is equipped with the escape canal, the escape canal with the catch basin is linked together, elasticity road surface layer has horizontal slope and slope to the escape canal.

6. The tunnel drainage system of claim 1, wherein: the gas collecting device comprises a wrapping layer used for wrapping the lower part of the elastic pavement layer, and the gas inlet end of the gas guide tube is communicated with the lower part of the elastic pavement layer through the wrapping layer.

7. The tunnel drainage system of claim 1, wherein: the water inlet end of the drain pipe extends into the bottom of the water collecting tank, and the water outlet end of the drain pipe extends towards the outside of the water collecting tank.

8. The tunnel drainage system of claim 7, wherein: and the water drainage pipe is provided with a water pump which is positioned at the bottom of the water collecting tank.

9. The tunnel drainage system of claim 7, wherein: the rainwater inspection system is characterized in that a water pump room is arranged above the water collecting tank, and the water outlet end of the drain pipe extends into the rainwater inspection well through the water pump room.

10. The tunnel drainage system of claim 9, wherein: and a third water stop valve is arranged on the drain pipe and is positioned in the water pump room.