CN211368776U

CN211368776U - Cable utility tunnel

Info

Publication number: CN211368776U
Application number: CN201921702066.XU
Authority: CN
Inventors: 李蕾; 张春雷; 崔海龙; 尹力文; 杨洋; 余浩; 王燕红
Original assignee: MCC Capital Engineering and Research Incorporation Ltd
Current assignee: MCC Capital Engineering and Research Incorporation Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-08-28
Anticipated expiration: 2029-10-12

Abstract

The utility model provides a cable utility tunnel, it includes a piping lane cabin, is equipped with the bracket component that at least three rows are used for laying the cable in the piping lane cabin, and every row of bracket component sets up along the length direction in piping lane cabin, and at least three rows of bracket component sets up along the width direction in piping lane cabin and just interval side by side, forms the pedestrian passageway between the adjacent two rows of bracket components. The utility model discloses a utility tunnel is single cabin piping lane, through the bracket component that is used for laying the cable that sets up more than the three rows in piping lane cabin inside, increase cable capacity, satisfy the capacity demand of city cable, compare with current single cabin piping lane, the total length of bracket component is longer, cable capacity is bigger, compare with current many cabins piping lane, only need for a piping lane cabin set up ventilation system and drainage system can, need not to set up ventilation system and drainage system respectively for a plurality of piping lane cabins, and the construction cost in single cabin is also lower than the construction cost in many cabins moreover, consequently the utility model discloses can effectively reduce the cost of piping lane.

Description

Cable utility tunnel

Technical Field

The utility model belongs to the technical field of the pipe gallery technique and specifically relates to a cable utility tunnel.

Background

Utility tunnel refers to and builds in the city underground and is used for holding two kinds and above city engineering pipeline's structure and affiliated facilities, mainly includes trunk utility tunnel, branch line utility tunnel and cable piping lane etc..

At present, the power cable and the communication cable are generally brought into the comprehensive pipe gallery, so that the appearance of the city is improved, and the maintenance and the replacement of the power cable and the communication cable are greatly benefited. In recent years, as the demand of users for power cables is gradually increased, the section of the power cable entering the corridor is larger, the required space of a pipe gallery is also larger, the capacity demand of the cables cannot be met by the existing single-cabin pipe gallery, and in consideration of the inconvenience in maintenance caused by increasing the cabin height, a multi-cabin arrangement is generally adopted at present, no matter the single-cabin pipe gallery or the multi-cabin pipe gallery is provided with only two rows of bracket assemblies, and the two rows of bracket assemblies are respectively fixed on two side walls of the pipe gallery, the multi-cabin pipe gallery 200 in fig. 1 comprises two pipe gallery cabins 201, although the multi-cabin pipe gallery can meet the capacity demand of the cables, the multi-cabin pipe gallery has the defects that each pipe gallery 201 needs a ventilation system and a drainage system, two layers of small chambers 202 (as shown in fig. 2) need to be arranged at the air inlet and air outlet nodes of the multi-cabin, and the covering soil for the cable pipe gallery needs to be increased by arranging the two, resulting in a substantial increase in the cost of the piping lane.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cable utility tunnel to solve current single cabin piping lane can't satisfy the capacity demand of cable and the current problem that many cabins piping lane is with high costs.

In order to achieve the above object, the utility model provides a cable utility tunnel, it includes a piping lane cabin, be equipped with the bracket component that at least three rows are used for laying the cable in the piping lane cabin, every row the bracket component is followed the length direction in piping lane cabin sets up, at least three rows the bracket component is followed the width direction in piping lane cabin sets up side by side and the interval, and adjacent two form the pedestrian passageway between the bracket component.

The utility model provides a cable utility tunnel, wherein, at least three rows the bracket component includes a left side bracket component, a right side bracket component and at least middle bracket component of a row, the left side bracket component is installed on the left side wall of piping lane cabin, the right side bracket component is installed on the right side wall of piping lane cabin, middle bracket component is arranged in on the diapire of piping lane cabin, and be located left side bracket component with between the right side bracket component, every row middle bracket component includes the edge sub-bracket component in the middle of the length direction interval arrangement of piping lane cabin, every row adjacent two sections of middle bracket component form between the sub-bracket component and walk the passageway, adjacent two rows the people's bank passageway by walk the passageway intercommunication.

The cable utility tunnel as described above, wherein, the left side bracket component is the cantilever type bracket component, the left side bracket component with built-in fitting fixed connection in the left side wall of piping lane cabin, the right side bracket component is the cantilever type bracket component, the right side bracket component with built-in fitting fixed connection in the right side wall of piping lane cabin.

The utility model provides an above cable utility tunnel, wherein, every section centre sub-bracket component includes one row of horizontal support and follows the width direction interval of piping lane cabin sets up two rows erect and support, horizontal support is located two erect between the support, just the both ends of horizontal support respectively with two rows erect and support fixed connection.

The cable utility tunnel as described above, wherein each column of said bracket assemblies is of a multi-layered construction.

As above cable utility tunnel, wherein, cable utility tunnel still includes the plenum, the plenum is located the side direction of pipe rack cabin, be equipped with on the lateral wall of pipe rack cabin with the ventilation hole of plenum intercommunication, the top of plenum is equipped with the ground vent, the ground vent will the plenum with the outside intercommunication of cable utility tunnel.

The cable utility tunnel as described above, wherein a ventilation device is provided in the ventilation chamber, the ventilation device being installed at the ventilation hole.

As above cable utility tunnel, wherein, the diapire of piping lane cabin is the concave escape canal that is equipped with on, the lower concave sump pit that forms in position of the diapire of piping lane cabin, the sump pit with the escape canal intercommunication, be equipped with the water pump in the sump pit, the water pump passes through drainage pipe and rainwater well intercommunication.

The cable utility tunnel as described above, wherein the drain is disposed proximate a side wall of the tube rack compartment, the drain extending along a length of the tube rack compartment.

As above cable utility tunnel, wherein, drainage pipe follows the direction of height in piping lane cabin passes the piping lane cabin, drainage pipe's one end with the water pump is connected, drainage pipe's the other end with rainwater well connects, be equipped with the valve on the drainage pipe, the valve is located the piping lane under-deck.

The utility model discloses a cable utility tunnel's characteristics and advantage are:

1. the utility model discloses a cable utility tunnel is single cabin piping lane, through set up the bracket component that is used for laying the cable more than three rows in the piping lane cabin, increases cable capacity, satisfies city cable's capacity demand, compares with current single cabin piping lane, the utility model provides a bracket component's total length is longer, and cable capacity is bigger, compares with current many cabins piping lane, the utility model discloses only need for a piping lane cabin set up ventilation system and drainage system can, need not to set up ventilation system and drainage system respectively for a plurality of piping lane cabins, and the construction cost of single cabin is also lower than the construction cost of many cabins, therefore the utility model discloses can effectively reduce the cost of piping lane;

2. the utility model discloses a cable utility tunnel, through setting up the draft chamber in the side direction of piping lane cabin, adopt the side ventilation of piping lane, compared with the many cabins of prior art piping lane and set up two layers of cell, can reduce the buried depth of piping lane, reduce the construction cost of piping lane;

3. the utility model discloses a cable utility tunnel has avoided the conflict of the corridor body and drainage pipe because the earthing degree of depth is less, reduces the section of sinking of the corridor body, further reduces the cost of piping lane, and prior art's many cabins piping lane is because the earthing is darker, has increased the probability of the corridor body with the drainage pipe conflict, and the corridor body need sink in order to avoid drainage pipe, and the construction cost of piping lane is higher.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1 is a schematic cross-sectional view of a tube lane cabin of a multi-cabin tube lane of the prior art;

FIG. 2 is a cross-sectional view of a ventilation node of a multi-deck pipe rack of the prior art;

fig. 3 is a schematic cross-sectional view of a tube rack compartment of the cable utility;

figure 4 is a cross-sectional view of a ventilation node of the cable utility tunnel of the present invention;

figure 5 is a schematic view of the utility model discloses a cable utility tunnel's piping lane cabin and drainage system.

Main element number description:

1. a piping lane cabin;

11. a pedestrian passageway; 12. a drainage ditch; 13. a sump; 14. a water pump; 15. a water discharge pipeline;

2. a left side bracket assembly; 3. a right side bracket assembly;

4. a middle bracket assembly; 41. transversely supporting; 42. vertically supporting;

5. a ventilation chamber; 6. a ground vent; 7. a ventilation device;

100. a catch basin; 200. a multi-compartment pipe gallery; 201. a piping lane cabin; 202. two layers of small chambers;

w, the ground.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Where adjective or adverbial modifiers "horizontal" and "vertical", "upper" and "lower", "longitudinal" and "lateral", "left" and "right", "top" and "bottom", "inner" and "outer" are used merely to facilitate relative reference between groups of terms, and do not describe any particular directional limitation on the modified terms. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 3, the utility model provides a cable utility tunnel, it includes a piping lane cabin 1, be equipped with the bracket component that at least three rows are used for laying the cable in the piping lane cabin 1, be a bracket component in every dotted line frame in fig. 3, every row of bracket component sets up along the length direction in piping lane cabin 1, this at least three rows of bracket component is along the width direction in piping lane cabin 1 and the interval sets up side by side, adjacent two are listed as and form pedestrian passageway 11 between the bracket component, this pedestrian passageway 11 is as the maintenance space, supply the maintainer current.

The utility model discloses a cable utility tunnel is single cabin piping lane, through the bracket component that is used for laying the cable that sets up more than the three rows in 1 inside in piping lane cabin, increases the cable capacity, satisfies the capacity demand of city cable, compares with current single cabin piping lane, the utility model provides a total length of bracket component is longer, and is bigger to the capacity of cable, compares with current many cabins piping lane, the utility model discloses only need set up ventilation system and drainage system for a piping lane cabin can, need not to set up ventilation system and drainage system respectively for a plurality of piping lane cabins, the construction cost in single cabin is also lower than the construction cost in many cabins moreover, consequently the utility model discloses can effectively reduce the cost of piping lane.

Further, the width (the inside clear width of the cabin) of the pipe gallery cabin 1 provided with three rows of bracket assemblies is 4 m-4.5 m, and the width can be continuously increased along with the increase of the number of rows of bracket assemblies under the condition of meeting the structural requirement. The utility model discloses a width of piping lane cabin 1 is greater than the width of the pipe gallery cabin of the single cabin pipe gallery of prior art, and is greater than the width of the single pipe gallery cabin of the many cabins pipe gallery of prior art, for example, the utility model discloses a width of pipe gallery cabin 1 equals the total width of a plurality of pipe gallery cabins of the many cabins pipe gallery of prior art.

As shown in fig. 3, in an embodiment, at least three rows of bracket assemblies include a row of left bracket assembly 2, a row of right bracket assembly 3 and at least one row of middle bracket assembly 4, left bracket assembly 2 is installed on the left side wall of pipe rack cabin 1, right bracket assembly 3 is installed on the right side wall of pipe rack cabin 1, middle bracket assembly 4 is arranged in the bottom wall of pipe rack cabin 1, and is located between left bracket assembly 2 and right bracket assembly 3, each row of middle bracket assembly 4 includes the sub-bracket assembly in the middle of the multistage along the length direction interval arrangement of pipe rack cabin 1, form the passageway of marching between the sub-bracket assembly in the middle of adjacent two sections of each row of middle bracket assembly 4, adjacent two rows of pedestrian passageways 11 are communicated by the passageway of marching, so that the maintainer passes through inside the pipe rack.

Specifically, pedestrian passageway 11 between left side bracket assembly 2 and the leftmost middle bracket assembly 4 is the left side passageway, pedestrian passageway 11 between right side bracket assembly 3 and the rightmost middle bracket assembly 4 is the right side passageway, pedestrian passageway 11 between two adjacent rows of middle bracket assemblies 4 is middle passageway, the left side passageway is used for satisfying the installation and maintenance of pipeline on left side bracket assembly 2 and the pipeline on leftmost middle bracket assembly 4, the right side passageway is used for satisfying the installation and maintenance of pipeline on right side bracket assembly 3 and the pipeline on the rightmost middle bracket assembly 4, middle passageway is used for satisfying the installation and maintenance of the pipeline on two rows of middle bracket assembly 4 that are located its both sides.

In this embodiment, every row of left side bracket assembly 2 also can set up to the multistage left side sub-bracket assembly that includes along the length direction interval arrangement of piping lane cabin 1, and every row of right side bracket assembly 3 also can set up to the multistage right side sub-bracket assembly that includes along the length direction interval arrangement of piping lane cabin 1 to provide convenience for overhauing left side bracket assembly 2 and right side bracket assembly 3.

For example, the length of the middle sub-bracket assembly is 1000 mm-1500 mm, the length of the left sub-bracket assembly is 500 mm-750 mm, and the length of the right sub-bracket assembly is 500 mm-750 mm.

As shown in fig. 3, further, the left side bracket assembly 2 is a cantilever type bracket assembly, the left side bracket assembly 2 is fixedly connected with the embedded part in the left side wall of the pipe rack cabin 1, for example, the left side bracket assembly 2 is welded with the embedded part, the right side bracket assembly 3 is a cantilever type bracket assembly, and the right side bracket assembly 3 is fixedly connected with the embedded part in the right side wall of the pipe rack cabin 1, for example, the right side bracket assembly 3 is welded with the embedded part. However, the present invention is not limited thereto, and the left side bracket assembly 2 and the right side bracket assembly 3 may also be fixed by means of connection with the assembled groove-type embedded parts on the left side wall and the right side wall.

As shown in fig. 3, further, each section of the middle sub-bracket assembly includes a row of horizontal supports 41 and two rows of vertical supports 42 spaced apart from each other in the width direction of the pipe gallery compartment 1, the horizontal supports 41 are located between the two rows of vertical supports 42, and two ends of the horizontal supports 41 are respectively fixedly connected with the two rows of vertical supports 42.

Specifically, each section of middle sub-bracket assembly can be formed by welding traditional steel components, for example, each row of vertical supports comprises a plurality of vertical section steels which are arranged at intervals along the length direction of the pipe rack cabin 1, each vertical section steel is vertically arranged, each vertical section steel of two rows of vertical supports corresponds to one, one row of transverse supports between the two rows of vertical supports comprises a plurality of transverse section steels which are arranged at intervals along the length direction of the pipe rack cabin 1, each transverse section steel is horizontally arranged, and two ends of each transverse section steel are fixedly connected with two corresponding vertical section steels of two rows of vertical supports respectively, but the utility model discloses not limited to this, each section of middle sub-bracket assembly can also adopt the existing assembled finished bracket assembly system;

every left side bracket component 2 and every right side bracket component 3 all include a plurality of along the length direction and the direction of height interval arrangement's of piping lane cabin 1 cantilever type support, each cantilever type support level sets up, and the one end of each cantilever type support is unsettled with the built-in fitting fixed connection and the other end in the lateral wall of piping lane cabin 1.

As shown in fig. 3, further, each row of support assemblies is a multi-layer structure, and a row of cables is placed on each layer of support assembly. The cable is a communication cable, a self-service cable or a high-voltage cable of 110kV and the like.

Further, the top wall of the pipe gallery cabin 1 is provided with an escape opening, and the escape opening can also be used for hoisting pipelines, so the escape opening can also be called as a hoisting opening, for example, one escape opening is arranged above each row of pedestrian passageways, and the escape opening can be flush with the ground or higher than the ground.

As shown in fig. 4, in one embodiment, the cable utility tunnel further includes a ventilation chamber 5, the ventilation chamber 5 is located in the lateral direction of the pipe gallery cabin 1, a ventilation hole for communicating the pipe gallery cabin 1 with the ventilation chamber 5 is formed in the side wall of the pipe gallery cabin 1, a ground ventilation opening 6 is formed in the top of the ventilation chamber, the ventilation chamber 5 is communicated with the outside of the cable utility tunnel (the atmosphere outside the pipe gallery) through the ground ventilation opening 6, so that air circulation between the inside of the utility tunnel and the outside atmosphere is realized, and the ground ventilation opening 6 can be higher than the ground.

This embodiment is through setting up plenum 5 in the side direction of piping lane cabin 1, adopt the ventilation of piping lane side, set up two layers of cells with prior art's many cabins pipe gallery and compare, can reduce the buried depth of piping lane, reduce the construction cost of piping lane, in addition, the conflict of the gallery body with drainage pipe has still been avoided, reduce the section of sinking of the gallery body, further reduce the cost of piping lane, and prior art's many cabins pipe gallery is because the earthing is darker, the probability of the gallery body with the drainage pipe conflict has been increased, the gallery body need sink in order to avoid drainage pipe, the cost of piping lane is higher.

In this embodiment, the burial depth (that is, the earthing depth) of piping lane can reach 500mm at minimum, and the burial depth is very little. Wherein, the burial depth or the soil covering depth refers to the depth of soil covering between the top wall of the pipe gallery cabin 1 and the ground W.

As shown in fig. 4, further, a ventilation device 7 is provided in the ventilation chamber 5, and the ventilation device 7 is installed at the ventilation hole. The ventilation device 7 realizes the standard of the temperature in the cabin, the fire control and the smoke discharge after accidents through mechanical air exhaust. The ventilation device 7 is a conventional ventilation device, and the structure and the operation principle thereof can be referred to the prior art, and therefore, the detailed description thereof is omitted.

As shown in fig. 5, in one embodiment, a drainage ditch 12 is concavely arranged on the bottom wall of the pipe rack chamber 1, a water collection pit 13 is concavely arranged at the lowest position of the bottom wall of the pipe rack chamber 1, the water collection pit 13 is communicated with the drainage ditch 12, a water pump 14 is arranged in the water collection pit 13, the water pump 14 is communicated with a rainwater well 100 through a drainage pipeline 15, and the drainage ditch 12, the water collection pit 13, the water pump 14 and the drainage pipeline 15 form a drainage system.

The utility model discloses only include a piping lane cabin 1, consequently only need for this a piping lane cabin set up one set of drainage system can, need set up one set of drainage system respectively for a plurality of piping lane cabins with prior art's many cabins piping lane and compare, ability piping lane reduce cost.

As shown in fig. 5, further, the drainage ditch 12 is arranged next to the side wall of the pipe rack cabin 1, which facilitates the construction, the drainage ditch 12 extends along the length direction of the pipe rack cabin 1, for example, the drainage ditch 12 is arranged next to the left side wall of the pipe rack cabin 1, the bottom wall of the pipe rack cabin 1 is inclined downwards (height gradually decreases) from the right side wall of the pipe rack cabin 1 to the left side wall, which has a certain gradient, or the drainage ditch 12 is arranged next to the right side wall of the pipe rack cabin 1, the bottom wall of the pipe rack cabin 1 is inclined downwards (height gradually decreases) from the left side wall of the pipe rack cabin 1 to the right side wall, which has a certain gradient, and the drainage effect is good.

As shown in fig. 5, further, the drainage pipeline 15 passes through the pipe gallery cabin 1 along the height direction of the pipe gallery cabin 1, one end of the drainage pipeline 15 is connected with the water pump 14, the other end of the drainage pipeline 15 is connected with the rainwater well 100, water in the water collecting pit 13 is pumped into the drainage pipeline 15 by the water pump 14 and then is conveyed into the rainwater well 100 through the drainage pipeline 15, drainage is achieved, a valve is arranged on the drainage pipeline 15, so that the opening and closing of the drainage pipeline 15 and the flow rate of the water are controlled through the valve, and the valve is located in the pipe gallery cabin 1 to facilitate maintenance.

The utility model discloses satisfying under the prerequisite in pipeline installation and maintenance space, the cable capacity of single cabin cable piping lane is increased to the at utmost, under the requirement of solving cable piping lane ventilation system, reduces the buried depth of cable piping lane, greatly reduced piping lane's cost.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.

Claims

1. The utility model provides a cable utility tunnel, a serial communication port, cable utility tunnel includes a piping lane cabin, be equipped with the bracket component that at least three rows are used for laying the cable in the piping lane cabin, every row the bracket component is followed the length direction of piping lane cabin sets up, at least three rows the bracket component is followed the width direction in piping lane cabin sets up side by side and the interval, and adjacent two form the pedestrian passageway between the bracket component.

2. The cable utility tunnel of claim 1, wherein at least three rows of said rack assemblies include a row of left rack assemblies, a row of right rack assemblies, and at least one row of middle rack assemblies, said left rack assemblies being mounted on a left side wall of said tube rack bay, said right rack assemblies being mounted on a right side wall of said tube rack bay, said middle rack assemblies being disposed on a bottom wall of said tube rack bay and being positioned between said left rack assemblies and said right rack assemblies, each row of said middle rack assemblies including a plurality of sections of middle sub-rack assemblies spaced apart along a length of said tube rack bay, adjacent sections of said middle sub-rack assemblies of each row of said middle rack assemblies forming a walkway channel therebetween, adjacent two rows of said walkway channels being interconnected by said walkway channel.

3. The cable utility tunnel of claim 2, wherein the left leg assembly is a cantilevered leg assembly fixedly attached to an embedment in the left side wall of the tube rack bay, and wherein the right leg assembly is a cantilevered leg assembly fixedly attached to an embedment in the right side wall of the tube rack bay.

4. The cable utility tunnel of claim 2, wherein each section of the intermediate sub-rack assembly includes a row of cross braces and two rows of vertical braces spaced apart along the width of the tunnel cabin, the cross braces are located between the two rows of vertical braces, and both ends of the cross braces are fixedly connected to the two rows of vertical braces, respectively.

5. The cable utility tunnel of any one of claims 1-4, wherein each column of the rack assemblies is of a multi-layered construction.

6. The cable utility tunnel of any one of claims 1 to 4, further comprising a plenum, said plenum being located laterally of said pipe gallery compartment, said pipe gallery compartment being provided with vents in its side walls communicating said pipe gallery compartment with said plenum, said plenum being provided with ground vents in its top portion communicating said plenum with the exterior of said cable utility tunnel.

7. The cable utility tunnel of claim 6, wherein a ventilation device is provided in the ventilation chamber, the ventilation device being mounted at the ventilation hole.

8. The cable utility tunnel according to any one of claims 1 to 4, wherein the bottom wall of the pipe rack compartment is recessed with a drainage ditch, the lowest position of the bottom wall of the pipe rack compartment is recessed with a water collection pit, the water collection pit is communicated with the drainage ditch, and a water pump is arranged in the water collection pit and is communicated with a rainwater well through a drainage pipeline.

9. The cable utility tunnel of claim 8, wherein the gutter is disposed proximate a side wall of the tube rack compartment, the gutter extending along a length of the tube rack compartment.

10. The cable utility tunnel according to claim 8, wherein the drainage pipeline passes through the pipe gallery compartment along the height direction of the pipe gallery compartment, one end of the drainage pipeline is connected with the water pump, the other end of the drainage pipeline is connected with the rainwater well, and the drainage pipeline is provided with a valve which is positioned in the pipe gallery compartment.