CN210827564U

CN210827564U - City utility tunnel

Info

Publication number: CN210827564U
Application number: CN201921251087.4U
Authority: CN
Inventors: 宗金宇; 林金坤; 刘鸿飞; 康健; 张天元
Original assignee: China Railway Fifth Survey and Design Institute Group Co Ltd
Current assignee: China Railway Fifth Survey and Design Institute Group Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-06-23
Anticipated expiration: 2029-08-05

Abstract

The embodiment of the application provides a city utility tunnel, include: a receiving chamber for receiving the construction pipeline, formed below the sidewalk; an equipment compartment formed below the sidewalk and located above the accommodation compartment; the bottom wall of the equipment cabin is provided with an equipment cabin ventilation opening communicated with the accommodating cabin; a ventilation cabin formed below the sidewalk and above the equipment cabin; a ventilation cabin vent used for being communicated with the equipment cabin is arranged on the side wall of the ventilation cabin, the bottom end of the ventilation cabin vent is higher than the bottom end of the side wall of the ventilation cabin, and a drainage structure is arranged in the ventilation cabin; the ventilation cabin is also communicated with a ground ventilation opening arranged on the ground of the sidewalk; the grating cover plate is covered on the ground ventilation opening; the top surface of the grating cover plate is flush with the pavement ground. The utility model provides a problem that ventilation kiosk protrusion is in ground and be difficult to settle among the correlation technique can be solved to city utility tunnel that this application embodiment provided.

Description

City utility tunnel

Technical Field

The application relates to city utility tunnel technique especially relates to a city utility tunnel.

Background

The urban comprehensive pipe gallery is a structure for accommodating more than two types of urban engineering pipelines and is an important infrastructure for guaranteeing urban operation. The utility tunnel is usually arranged underground in a city, a tunnel space is built underground, and engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are arranged in the tunnel space. The tunnel space is also provided with a special personnel access, a lifting port and a ventilation opening, each engineering pipeline enters the tunnel space through the lifting port, an operator enters the tunnel space through the personnel access to overhaul and maintain, and the personnel access is also used as an emergency escape opening for the operator to escape emergently. The ventilation opening is used for enabling the tunnel space to be in a ventilation state and enabling gas exchange with the external natural environment.

Fig. 1 is a schematic structural view of a ventilation opening of a city pipe gallery arranged in a green belt between a roadway and a sidewalk in the related art. As shown in fig. 1, at present, most urban pipe corridors are provided with ventilation kiosks protruding from the ground at the tops, and ventilation openings are formed in the tops or side walls of the ventilation kiosks. Ventilation kiosk all sets up in the greenbelt of road usually, but the overall arrangement and the size of greenbelt can influence ventilation kiosk's arrangement, if ventilation kiosk settles not well, will influence city piping lane's normal use.

Disclosure of Invention

The embodiment of the application provides a city utility tunnel, can solve among the relevant art ventilation pavilion protrusion in ground and be difficult to the problem of settling.

The embodiment of the application provides a city utility tunnel, include:

a receiving chamber for receiving the construction pipeline, formed below the sidewalk;

an equipment compartment formed below the sidewalk and located above the accommodation compartment; the bottom wall of the equipment cabin is provided with an equipment cabin ventilation opening communicated with the accommodating cabin;

a ventilation cabin formed below the sidewalk and above the equipment cabin; a ventilation cabin vent used for being communicated with the equipment cabin is arranged on the side wall of the ventilation cabin, the bottom end of the ventilation cabin vent is higher than the bottom end of the side wall of the ventilation cabin, and a drainage structure is arranged in the ventilation cabin; the ventilation cabin is also communicated with a ground ventilation opening arranged on the ground of the sidewalk;

the grating cover plate is covered on the ground ventilation opening; the top surface of the grating cover plate is flush with the pavement ground.

The city utility tunnel as described above, the drainage structure includes:

the waterproof shutter is arranged at the ventilation opening of the ventilation cabin;

and the ventilation cabin water drainage hole is arranged on the bottom surface of the ventilation cabin and is used for being connected with an underground drainage pipeline.

According to the urban comprehensive pipe gallery, the ventilation cabin is of a closed annular structure, and the ventilation opening of the ventilation cabin is formed in the side wall of the inner ring of the ventilation cabin; the grid cover plate is a closed annular cover plate and is covered above the ventilation cabin; city utility tunnel still includes:

the top cover plate is covered above a space enclosed by the annular side wall in the ventilation cabin; the top surface of the top cover plate is flush with the pavement ground.

As for the urban comprehensive pipe gallery, the horizontal section of the ventilation cabin is in a square frame shape, the grating cover plate is in a square frame shape, and the top cover plate is in a rectangular shape.

According to the urban comprehensive pipe gallery, the top wall of the containing cabin is provided with the containing cabin escape opening, and the containing cabin ladder stand is arranged below the containing cabin escape opening;

the sidewalk ground is also provided with a ground escape opening and an escape opening cover plate covering the ground escape opening, an equipment compartment ladder stand is arranged below the ground escape opening, and the equipment compartment ladder stand extends to the bottom wall of the equipment compartment from the ground escape opening; the escape opening cover plate is flush with the pavement ground.

The city utility tunnel as above, still include:

a ventilation device disposed within the device compartment; the air inlet of the ventilation equipment faces the ventilation opening of the equipment compartment, and the air outlet of the ventilation equipment faces the direction of the ventilation opening of the ventilation compartment.

According to the urban comprehensive pipe gallery, the bottom wall of the equipment cabin is provided with the annular water retaining ridge, and the water retaining ridge is positioned below the inner ring side wall of the ventilation cabin;

and an equipment cabin drain hole is also formed in the area surrounded by the water retaining ridge and is connected with an underground drainage pipeline through an equipment cabin drain pipe.

The city utility tunnel as above, still include:

and the top cover plate locking device is used for locking the top cover plate on the pavement ground in a normal state and unlocking the top cover plate in a maintenance state.

The city utility tunnel as above, still include:

and the escape hatch cover plate locking device is used for locking the escape hatch cover plate on the ground of the sidewalk in a normal state and unlocking the escape hatch cover plate in an emergency state.

The city utility tunnel as above, still include:

a controller for controlling the waterproof louver to be closed in rainy and snowy weather and to be opened in non-rainy and snowy weather.

According to the technical scheme provided by the embodiment of the application, the urban comprehensive pipe gallery comprising the three-layer structure of the containing cabin, the equipment cabin and the ventilation cabin which are sequentially arranged from bottom to top is arranged below a sidewalk, the containing cabin and the equipment cabin are kept to be ventilated through an equipment cabin ventilation opening formed in the bottom wall of the equipment cabin, the equipment cabin and the ventilation cabin are kept to be ventilated through a ventilation cabin ventilation opening formed in the side wall of the ventilation cabin, and the ventilation cabin is kept to be ventilated with the external environment through a bottom surface ventilation opening formed in the ground of the sidewalk, so that the three-layer structure is kept to be ventilated with the external environment; and, still set up the grid apron in ground vent department, the top surface of grid apron flushes with pavement ground, does not influence the normal use of pavement, and whole city utility tunnel is whole to be located the below of pavement moreover, has also improved the pleasing to the eye degree in city. In addition, the ventilation cabin vent bottom highly is higher than the lateral wall bottom in ventilation cabin, and sets up drainage structures at the diapire in ventilation cabin to avoid passing through the water reentrant equipment under-deck in that the grid apron got into the ventilation cabin, reach better water-proof effects, thereby carry out water-proof protection to equipment under-deck and the equipment that holds in the cabin, improve the security.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of a ventilation opening of a city pipe gallery arranged between a roadway and a sidewalk in the related art;

fig. 2 is a side view of a vertical road direction section of a city pipe gallery arranged below a sidewalk according to an embodiment of the present application;

fig. 3 is a side view of a parallel road direction section of a city pipe gallery arranged below a sidewalk according to an embodiment of the present application;

fig. 4 is a top view of a top layer of a city pipe gallery provided in an embodiment of the present application;

fig. 5 is a top view of an equipment floor in a city pipe gallery according to an embodiment of the present application.

Reference numerals:

01-a ventilation kiosk; 02-roadway; 03-sidewalk; 04-green belt; 05-city comprehensive pipe gallery; 06-a vent; 07-an underground drainage pipeline;

10-a containment compartment; 11-accommodating cabin escape opening; 12-a containment vessel ladder;

20-equipment compartment; 21-equipment compartment vents; 22-a fan; 23-equipment cabin climbing ladder; 24-water retaining ridge; 25-equipment compartment drain holes; 26-equipment cabin drain pipe;

30-a ventilation cabin; 31-ventilation cabin side wall; 32-a ventilation chamber vent; 33-waterproof blinds; 34-a floor drain;

40-a grid cover plate;

50-a top cover plate;

60-escape hatch cover plate.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Example one

This embodiment provides an urban comprehensive pipe gallery, sets up in the below on pavement, does not influence pedestrian's normal walking on the one hand, and on the other hand possesses better waterproof and drainage function, and on the one hand again, the setting of convenient ventilation structure no longer receives urban green belt's influence, still is favorable to improving the pleasing to the eye degree in city.

Fig. 2 is a side view of a perpendicular road direction cross section of a city pipe gallery arranged below a sidewalk according to an embodiment of the present application, fig. 3 is a side view of a parallel road direction cross section of a city pipe gallery arranged below a sidewalk according to an embodiment of the present application, fig. 4 is a top view of a top layer of the city pipe gallery according to an embodiment of the present application, and fig. 5 is a top view of an equipment layer in the city pipe gallery according to an embodiment of the present application. Fig. 2 is a view of a section a-a in fig. 4, and fig. 3 is a view of a section B-B in fig. 4. Fig. 5 is a top view of the ventilation module 30 of fig. 4 taken away.

As shown in fig. 2 to 4, the city utility tunnel that this embodiment provided includes three layer construction, follows from supreme being in proper order: the accommodation compartment 10, the equipment compartment 20 and the ventilation compartment 30, all of which are formed below the sidewalk 03 in a three-layer structure. Ground vents are provided in the ground of the walkway 03 to keep the three-layer structure ventilated from the outside environment. The grid cover plate 40 is adopted to cover the ground vent, the top surface of the grid cover plate 40 is flush with the ground of the sidewalk, and the grid cover plate 40 has certain strength and can support the load of the sidewalk, so that the normal use of the sidewalk is not influenced, and the ventilation inside the urban comprehensive pipe gallery is ensured.

In particular, the containment tank 10 is positioned lowermost for containing the engineering lines, for example: water pipe, gas pipeline, heat supply pipeline, communication cable, power cable etc..

The equipment compartment 20 is located above the accommodating compartment 10, the bottom wall of the equipment compartment 20 is provided with an equipment compartment ventilation opening 21, and ventilation between the equipment compartment 20 and the accommodating compartment 10 is realized through the equipment compartment ventilation opening 21.

The ventilation compartment 30 is located above the equipment compartment 20. The ventilation chamber 30 has a ventilation chamber side wall 31 extending in the vertical direction, the ventilation chamber side wall 31 is provided with a ventilation chamber vent 32, and ventilation is maintained between the ventilation chamber 30 and the equipment chamber 20 through the ventilation chamber vent 32.

The grille cover 40 covers the floor vents and is positioned above the ventilation module 30. The grille cover 40 is provided with holes to allow the ventilation compartment 30 to be ventilated through the grille cover 40 to the outside environment.

In addition, as for the ventilation chamber vent 32 provided on the ventilation chamber side wall 31, the bottom end thereof is higher than the bottom end of the ventilation chamber side wall 31, water entering the ventilation chamber 30 from the hole of the grille cover 40 is blocked by the ventilation chamber side wall 31 and does not enter the equipment chamber 20 from the ventilation chamber vent 32. Furthermore, a drainage structure is arranged in the ventilation cabin 30, so that water entering the ventilation cabin 30 is drained to an underground drainage pipeline, and the phenomenon that the water enters the equipment cabin 20 after being increased and further damages and influences equipment in the equipment cabin 20 is avoided.

According to the technical scheme provided by the embodiment, the urban comprehensive pipe gallery comprising the three-layer structure of the containing cabin, the equipment cabin and the ventilation cabin which are sequentially arranged from bottom to top is arranged below the sidewalk, the containing cabin and the equipment cabin are kept ventilated through the ventilation opening of the equipment cabin arranged on the bottom wall of the equipment cabin, the equipment cabin and the ventilation cabin are kept ventilated through the ventilation opening of the ventilation cabin arranged on the side wall of the ventilation cabin, and the ventilation cabin is kept ventilated with the external environment through the bottom ventilation opening arranged on the ground of the sidewalk, so that the three-layer structure is kept ventilated with the external environment; and, still set up the grid apron in ground vent department, the top surface of grid apron flushes with pavement ground, does not influence the normal use of pavement, and whole city utility tunnel is whole to be located the below of pavement moreover, has also improved the pleasing to the eye degree in city. In addition, the ventilation cabin vent bottom highly is higher than the lateral wall bottom in ventilation cabin, and sets up drainage structures at the diapire in ventilation cabin to avoid passing through the water reentrant equipment under-deck in that the grid apron got into the ventilation cabin, reach better water-proof effects, thereby carry out water-proof protection to equipment under-deck and the equipment that holds in the cabin, improve the security.

Various solutions can be adopted for the above-described drainage structure provided in the ventilation chamber 30. The embodiment provides an implementation manner: a waterproof louver 33 is provided at the ventilation chamber vent 32, and when the waterproof louver 33 is in an open or half-open state, ventilation can be achieved and a part of splashed water can be blocked from entering the equipment room 20 through the ventilation chamber vent 32; when the precipitation is large, the waterproof shutter can be completely closed, and water can be completely prevented from entering the equipment room 20 through the ventilation room ventilation opening 32. The waterproof shutter can be a structure adjusted manually or a structure controlled by a controller and an actuator. In the rainy and snowy weather with large precipitation, the controller controls the actuator to act and drives the waterproof shutter 33 to close; in the weather without rain or snow, the controller controls the actuator to act, and drives the waterproof louver 33 to be in the open state.

In the case of a small amount of water entering the ventilation chamber 30, the water evaporates naturally after a period of time. In the case of a large water inflow of the ventilation module 30, a ventilation module water drainage hole (not shown) may be formed in the bottom wall of the ventilation module 30 and communicate with the underground drainage pipe to drain water in the ventilation module 30 to the underground drainage pipe 07. A floor drain 34 is arranged in a drain hole of the ventilation cabin, so that sundries can be prevented from entering the underground drainage pipeline 07. It should be noted that the floor drain 34 in fig. 2 and 3 is only used to indicate the position of the floor drain 34 or the ventilation cabin drain hole, and in practice the ventilation cabin drain hole is arranged on the bottom wall of the ventilation cabin 30, and the floor drain 34 is located in the ventilation cabin drain hole.

The aforementioned accommodation compartment 10 and the equipment compartment 20 may be ventilated by an equipment compartment ventilation opening 21. In order to increase the air circulation speed, a ventilation device is arranged in the device compartment 20, and the ventilation device is provided with an air inlet and an air outlet, wherein the air inlet faces to a ventilation opening of the device compartment, and the air outlet faces to the ventilation opening of the ventilation compartment. The ventilation device is a device capable of promoting the orderly circulation of air and can be made by adopting various principles. In this embodiment, the blower 22 is used as a ventilation device, and the blower 22 is fixed above the device compartment ventilation opening 21. The air inlet of the fan 22 is at the bottom, facing the equipment compartment ventilation opening 21, and the air outlet of the fan 22 is facing the ventilation compartment 30, in particular the ventilation compartment ventilation opening 32. The fan blades in the blower 22 rotate to force air in the holding compartment 10 from the equipment compartment vents 21 into the blower 22 and out of the air outlet and out into the external environment through the equipment compartment vents 32 and the floor vents.

For the part of the ventilation chamber 30 connected with the ground, the embodiment provides a specific implementation manner:

the ventilation chamber 30 is provided as a closed loop structure, for example: circular, square, elliptical, etc. In the present embodiment, taking a square frame shape as an example, the ventilation chamber 30 has an inner ring side wall with a rectangular horizontal cross section and an outer ring side wall with a rectangular horizontal cross section, and the inner ring side wall, the outer ring side wall and the bottom wall enclose the ventilation chamber 30 in a square frame shape. The ventilation chamber ventilation openings 32 are arranged on the inner ring side wall, and the middle area enclosed by the inner ring side wall is communicated with the equipment chamber 20 below.

The grille cover 40 is a closed annular cover, specifically a square frame cover, which is disposed over the square frame ventilation chamber 30. In addition, a top cover plate 50 is used to cover the inner ring side walls in the central area surrounded by the grille cover plate 40. The top cover plate 50 is a rectangular solid cover plate with no holes. The top surface of the top cover plate 50 is flush with the pavement ground, and the top cover plate 50 has certain strength, can support objects above, bears the load of the pavement, and does not influence the normal use of the pavement.

In the drawings of the present embodiment, the number of the fans 22 is two, and the air outlet of each fan 22 faces the area enclosed by the inner ring side wall, so that the air exhausted from the fan 22 directly enters the ventilation chamber 30 through the ventilation chamber vent 32.

As shown in fig. 4, the grill cover 40 is provided around the periphery of the top cover 50, and the ventilation module 30 is provided below the grill cover 40. The grill cover 40 and the top cover 50 may be placed on the sidewalk to avoid the blind sidewalk. A pedestrian may step over the top deck 50.

Still be provided with personnel's entry, personnel's export, emergency escape exit and emergency escape equipment in the city utility tunnel. Personnel entry and personnel exit can be according to the conventional setting in the place that makes things convenient for personnel to come in and go out. This embodiment describes the emergency exit and the apparatus in detail:

a containing cabin escape opening 11 is provided in the ceiling wall of the containing cabin 10, and a containing cabin ladder 12 is provided below the containing cabin escape opening 11. The top end of the holding cabin ladder stand 12 extends to the holding cabin escape opening 11, the bottom end extends downwards to the bottom wall of the holding cabin 10, or the distance between the bottom end of the holding cabin ladder stand 12 and the bottom wall of the holding cabin 10 is less than 1 meter, so that an operator can climb up along the holding cabin ladder stand 12 into the equipment cabin 20.

The sidewalk ground is also provided with a ground escape opening, and an escape opening cover plate 60 is covered on the ground escape opening. The equipment compartment 20 is upwards directly communicated to the ground escape opening, the equipment compartment ladder 23 is arranged below the ground escape opening, the top end of the equipment compartment ladder 23 extends to the ground escape opening, the bottom end of the equipment compartment ladder 23 extends to the bottom wall of the equipment compartment 20, or the distance between the bottom end of the equipment compartment ladder 23 and the bottom wall of the equipment compartment is smaller than 1 m, so that an operator can climb upwards through the equipment compartment ladder 23 until climbing out of the ground from the ground escape opening. The distance between the equipment compartment ladder 23 and the accommodation compartment escape opening 11 is as small as possible so that the operator can escape through the accommodation compartment ladder 12 and the equipment compartment ladder 11 in this order in the shortest time in the event of an emergency.

The top surface of the escape hatch cover plate 60 is flush with the pavement ground; alternatively, the escape cover 60 may be raised slightly above the ground for conspicuously informing the pedestrian not to put a heavy object on the escape cover 60. And the edge of the escape hatch cover 60 is set to be an inclined surface so that there is no obvious step between the escape hatch cover 60 and the sidewalk ground to prevent the pedestrian from tripping over.

The accommodation compartment ladder 12 and the equipment compartment ladder 23 may be separate ladders, fixed vertically or diagonally to the side walls. Or, also can set up a plurality of climbing poles of arranging in proper order along vertical direction on the lateral wall, every climbing pole is the tubular structure of horizontal extension, and the climbing pole supplies operating personnel to hand or step on.

Further, a waterproof structure is required to be provided in the equipment compartment 20 to discharge water entering the equipment compartment 20 into the underground drainage pipe 07. Specifically, a closed annular water blocking sill 24 is arranged on the bottom wall of the equipment compartment 20, and the water blocking sill 24 is located below the inner ring side wall of the ventilation compartment 30, so that water entering the equipment compartment 20 from the ventilation compartment 32 is concentrated in the area surrounded by the water blocking sill 24 and does not flow outside the water blocking sill 24. The size of the water retaining ridge 24 can be larger than that of the side wall of the inner ring, and the collection range is enlarged.

And an equipment cabin drainage hole 25 is arranged in the area enclosed by the water retaining bank 24, and the equipment cabin drainage hole 25 is connected with an underground drainage pipeline through an equipment cabin drainage pipe 26 to drain water in the area enclosed by the water retaining bank 24. A floor drain can be arranged in the drain hole 25 of the equipment compartment and used for preventing other sundries from entering the drain pipe. In the area enclosed by the water weir 24, the equipment compartment drain hole 25 is located lowest to allow water to flow toward the equipment compartment drain hole 25.

The number of the accommodating cabin 10 may be multiple, and a cabin door may be disposed on a sidewall of the accommodating cabin 10 for an operator to enter and exit. The top wall of the accommodation compartment 10 may be provided with an accommodation compartment escape opening 11 and an accommodation compartment ladder 12 below. City pipelines may be disposed in the accommodation compartment 10, for example: the gas line has a certain risk, needs to be separately placed in one accommodation compartment 10, and a fire-resistant insulation structure can be laid in the accommodation compartment 10. The power lines are relatively waterproof and need to be individually housed in a single containment vessel 10. The thermal and water supply lines can be placed in the same containment compartment 10.

On the basis of the above technical solution, a top cover locking device may also be used for locking the top cover 50 on the sidewalk ground in a normal state and unlocking the top cover 50 in a maintenance state. The top cover 50 can only be opened from the inside and cannot be opened from the ground. The top cover 50 may be opened when maintenance of the fan 22 is required. Or, the top cover plate locking device is an intelligent lock and is connected with the electronic terminal through a wireless network, only a user of the electronic terminal can unlock the top cover plate locking device to open the top cover plate 50 from the outside, and other people cannot open the top cover plate 50 from the outside, so that the anti-theft function is realized.

The escape cover locking means is used for locking the escape cover 60 on the sidewalk ground in a normal state and unlocking the escape cover 60 in an emergency state. The escape hatch 60 can be opened only from the inside and cannot be opened on the ground. Or, the escape hatch cover plate locking device can also adopt an intelligent lock, is connected with the electronic terminal through a wireless network, and only the user of the electronic terminal can control the escape hatch cover plate locking device to unlock so as to open the escape hatch cover plate outside, and other people can not open the escape hatch cover plate from the outside, thereby realizing the anti-theft function.

The ground escape opening can be only used as an escape passage and can also be used as a normal access passage for operators. When the ground escape opening is only used as an escape passage, an entrance is required to be arranged at other places.

Sealing materials are required to be arranged in gaps between the cover plates and the ground, so that the sealing and waterproof effects are improved, and water is prevented from entering the pipe gallery from the gaps between the cover plates and the ground.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. The utility model provides a city utility tunnel which characterized in that includes:

2. The urban utility tunnel according to claim 1, wherein the drainage structure comprises:

3. The urban utility tunnel according to claim 2, wherein the ventilation cabin is of a closed ring structure, and the ventilation cabin vents are arranged on the inner ring side wall of the ventilation cabin; the grid cover plate is a closed annular cover plate and is covered above the ventilation cabin; city utility tunnel still includes:

4. The urban utility tunnel according to claim 3, wherein the horizontal cross section of the ventilation trunk is a square frame shape, the grille cover plate is a square frame shape, and the top cover plate is a rectangle.

5. The urban comprehensive pipe gallery according to any one of claims 1 to 4, wherein a containing cabin escape opening is formed in the top wall of the containing cabin, and a containing cabin ladder stand is arranged below the containing cabin escape opening;

6. The urban comprehensive pipe gallery according to any one of claims 1 to 4, further comprising:

7. The urban comprehensive pipe gallery according to claim 4, wherein the bottom wall of the equipment cabin is provided with an annular water retaining ridge, and the water retaining ridge is positioned below the inner ring side wall of the ventilation cabin;

8. The urban utility tunnel according to claim 4, further comprising:

9. The urban utility tunnel according to claim 5, further comprising:

10. The urban utility tunnel according to claim 2, further comprising: