CN217231932U

CN217231932U - Utility tunnel electric power cabin

Info

Publication number: CN217231932U
Application number: CN202123072844.1U
Authority: CN
Inventors: 王雅娟; 熊小明; 杨进新; 史文彪; 许光义; 张志伟; 李恒义; 何奇峰; 于心悦; 赵生成; 侯治; 李大可; 褚伟鹏
Original assignee: BEIJING INSTITUTE OF WATER
Current assignee: BEIJING INSTITUTE OF WATER
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-19
Anticipated expiration: 2031-12-08

Abstract

The utility model relates to a construction technical field discloses a utility tunnel electric power cabin, including setting up in inside shell (10) of mountain and partition wall (20) of vertical setting in shell (10), shell (10) enclose into the passageway, partition wall (20) are piled up by building block (21) and are formed, partition wall (20) will the passageway is separated for a plurality of subchannels side by side. Utilize the partition wall that the building block superposes each other and constitute, both made things convenient for constructor to carry out the construction operation in the major structure by boring to explode, shallowly bury secretly dig or the TBM method is under construction, reduced the operation degree of difficulty, can also reduce the construction cycle and the time cost of partition wall.

Description

Utility tunnel electric power cabin

Technical Field

The utility model relates to a construction technical field specifically relates to a utility tunnel electric power cabin.

Background

The cabin that holds the electric power pipeline among the utility tunnel is called electric power cabin or electric cabin, and the dangerous category of electric cabin conflagration is third class, and the piping lane main structure body should be the incombustible structure that limit of fire is not less than 3.0h, should adopt the incombustible structure that limit of fire is not less than 3.0h to separate between the different cabins in the piping lane.

The prior comprehensive pipe gallery is mostly built at 1.5-2 m underground urban main roads or green belts, the buried depth is shallow, the pipe gallery main body and the cabin partition wall adopt cast-in-place and prefabricated reinforced concrete structures, the electric power cabin support is anchored by bolts, and the construction is convenient and rapid.

However lie in the inside mountain area of mountain portion and bury utility tunnel deeply, the piping lane buries deeply greatly, piping lane reinforced concrete major structure adopts to bore to explode more, shallowly bury undercut or TBM method construction, the cabin division wall can't be under construction with the piping lane major structure is synchronous, need treat that the piping lane major structure completion and reach the design strength rear can carry out formwork erection to the cabin division wall and pour, because of the piping lane inner space is less, the construction working face is little, nearly not possess the construction operation condition, and construction and concrete maintenance time limit for a project are longer, therefore cost and time cost are higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a utility tunnel electric power cabin in order to overcome the inside utility tunnel electric power cabin construction difficulty of mountain body that prior art exists, the too high problem of cost provides a utility tunnel electric power cabin.

In order to achieve the above object, the utility model provides an aspect provides a utility tunnel electric power cabin, including setting up in the inside shell of massif and the partition wall of vertical setting in the shell, the shell encloses into the passageway, the partition wall is piled up by the building block and is formed, the partition wall will the passageway is separated for a plurality of subchannels side by side.

Optionally, the utility tunnel power cabin further comprises a bearing column which divides the partition wall into multiple sections along the extending direction of the channel.

Optionally, the heights of the two ends of the shell are different, and the bearing columns are vertically arranged.

Optionally, the reinforcing steel bars of the bearing column extend out of the top and the bottom of the bearing column and are embedded in the shell.

Optionally, utility tunnel electric power cabin still includes along partition wall extending direction set up in the logical long drawknot muscle in the partition wall.

Optionally, the through long tie bars are arranged in plurality at intervals along the wall height direction of the partition wall.

Optionally, utility tunnel power compartment still includes cable holder subassembly, cable holder subassembly include the support column and install in cable holder on the support column, cable holder is including the cable testing bridge that can place the cable, the support column is vertical set up in the subchannel, the top and the bottom of support column respectively with the inner wall rigid coupling of shell.

Optionally, embedded pre-buried steel sheet is equipped with in the shell, the support column passes through pre-buried steel sheet rigid coupling in the shell inner wall.

Optionally, the cable bracket assemblies are arranged at intervals along the extending direction of the partition wall.

Optionally, an escape opening is arranged at the bottom of each sub-channel.

Through above-mentioned technical scheme, utilize the partition wall that the building block superposes each other and constitutes, both made things convenient for constructor to carry out the construction operation in the major structure that is out of by boring to explode, shallowly bury secretly dig or the TBM method is under construction, reduced the operation degree of difficulty, can also reduce the construction cycle and the time cost of partition wall.

Drawings

Fig. 1 is a cross-sectional structural view of an embodiment of the utility tunnel power bay according to the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the partition wall according to the present invention.

Description of the reference numerals

10-shell, 20-partition wall, 21-building block, 22-bearing column, 221-reinforcing steel bar, 23-through long tie bar, 31-support column, 32-embedded steel plate and 33-cable support.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the description herein is provided for illustration and explanation of the invention and is not intended to limit the invention.

In the present invention, unless otherwise specified, the use of the terms "upper", "lower", "top" and "bottom" generally refer to the orientation of the device or apparatus in use. It should be noted that this is only for the convenience of describing the present invention, and should not be construed as a limitation of the present invention.

Furthermore, the terms "first", "second", etc. 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.

In the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

An aspect of the utility model provides a utility tunnel electric power cabin, including setting up in the inside shell 10 of massif and the partition wall 20 of vertical setting in shell 10, shell 10 encloses into the passageway, partition wall 20 piles up the formation by building block 21, partition wall 20 will the passageway is separated for a plurality of subchannels side by side.

It should be noted that the utility tunnel generally refers to an underground city pipeline utility corridor, i.e. a tunnel space is built underground, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage are integrated, a special service hole, a lifting hole and a monitoring system are provided, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'life line' for guaranteeing city operation. The utility tunnel may include a passageway (which may be generally referred to as a power bay) capable of receiving power lines, the power bay being disposed on an upper portion of the utility tunnel and being relatively separate from other passageways or bays.

Set up in the utility tunnel of mountain insidely usually through boring to explode, shallow burial undercut or the construction of TBM method, and the buried depth of mountain area utility tunnel is great, do not possess the condition of excavation construction, therefore, the division wall of inside cabin or passageway can't be under construction with the pipe gallery major structure is synchronous, need treat that pipe gallery major structure is that shell 10 is done all can and reach the design strength rear and can pour the division wall, because of the utility tunnel inner space is less, the construction operation face is little, it is extremely difficult to lead to the construction operation, hardly possess the construction conditions, construction and concrete maintenance time limit for a project are longer simultaneously, cost and time cost are higher.

The utility model provides a shell 10 indicate utility tunnel structure that comprises the concrete, the passageway in space is formed at its center, cable or communication cable can pass these passageways and carry out electric power or communication information's transmission, in order to prevent when leading to the conflagration to take place because of partial circuit trouble, the conflagration spreads, lead to whole circuit damage, the optional cable or the communication cable subdivision setting with the different grade type, in order to reach above-mentioned purpose, the accessible is provided with partition wall 20 and separates the passageway into a plurality of subchannels, can be provided with partial power pipeline or communication pipeline in the subchannel respectively, as shown in figure 1, can set up the subchannel on the left side into the telecommunications cabin, two subchannels on the right side set up into the power cabin.

In this application the fire endurance requirement of electric power cabin needs to be satisfied to building block 21, and the fire-resistant time requirement is 3.0h usually, as a specific implementation mode, building block 21 can select aerated concrete block, pile up the partition wall 20 that forms by above-mentioned building block 21, on the one hand convenient construction, compare the concrete partition wall of traditional mode preparation, building block 21 transports easily relatively, the work progress does not need the large-scale equipment to participate in, constructor construction operation is simpler, can be under construction in the less utility tunnel in relative space, the feasibility of construction is provided, the preliminary work of preparation in earlier stage of construction has been reduced, construction period and time cost, thereby construction cost has been reduced. On the other hand, the fire resistance of the building blocks 21 is utilized to enable the partition wall 20 to meet the fire resistance requirement in design and reach the design index.

Further, as shown in fig. 2, the utility tunnel power compartment may further include a force bearing column 22 dividing the partition wall 20 into a plurality of segments in the channel extending direction. The upper end and the lower end of the bearing column are respectively fixedly connected with the shell 10, namely the bearing column 22 can assist the bearing of the building block 21, and the bearing column 22 can be made of reinforced concrete, so that the bearing column has higher structural integrity and structural strength, and can be connected with the shell 10 more tightly. In particular, the outrigger 22 may be perpendicular to the vertical direction of the partition 20 at that location, i.e., perpendicular to the floor or central axis of the utility tunnel, or may be disposed at other angles to increase the resistance performance of the outrigger 22. In order to facilitate the fitting installation of the bearing column 22 and the building block 21, the bearing column can be provided with a concave-convex side structure so as to be directly connected with a wall body stacked with the building block 21 conveniently, the building block 21 does not need to be damaged to form a smooth side, and meanwhile, the construction can be facilitated.

And the utility tunnel that general mountain area set up sets up in the mountain body, and can set up along with the mountain trend slope, and has building block 21 can be because the action of gravity along the incline direction, extrudees downwards, therefore the building block 21 that is located the lower position is very easily broken under too big pressure, and then leads to the partition wall 20 that building block 21 constitutes to take place to damage or even reduce life. To further reinforce the strength of the partition wall 20, as shown in fig. 2, when the heights of the two ends of the outer shell 10 are different, that is, the channels or sub-channels are arranged obliquely, the force-bearing columns 22 are arranged vertically, so that the pressure applied to each section of the partition wall 20 is effectively borne, and the pressure is transmitted to the outer shell 10 through the force-bearing columns 22.

In order to further improve the connectivity between the bearing column 22 and the shell 10, as shown in fig. 2, the reinforcing steel bars 221 of the bearing column 22 extend out from the top and the bottom of the bearing column 22 and are embedded in the shell 10.

As shown in fig. 2, the utility tunnel power cabin further includes a through long tie bar 23 disposed in the partition wall 20 along the extending direction of the partition wall 20. The tie bars are reinforcing bars which are used for tying the partition wall 20 formed by the building blocks 21 and concrete structures such as the bearing columns 22 and the like together in a connection mode of embedding, binding or welding and the like, and are arranged along the length 20 of the partition wall, so that the structural strength of the wall body is enhanced.

In order to further enhance the structural strength of the wall body, as shown in fig. 2, the through long tie bars 23 are provided in plurality at intervals along the wall height direction of the partition wall 20. As a specific embodiment, the spacing distance of the full length lacing wires 23 can be set to 500 mm.

Because partition wall 20 wall is piled up by building block 21 and is formed, consequently, it no longer possesses the wall and punches the back condition of installing traditional cable support additional, for solving this problem, as shown in fig. 1, utility tunnel power compartment still includes cable support assembly, cable support assembly include support column 31 and install in cable support 33 on the support column 31, cable support 33 is including the cable testing bridge that can place the cable, support column 31 vertical set up in the subchannel, the top and the bottom of support column 31 respectively with the inner wall rigid coupling of shell 10. Can avoid punching the installation on partition wall 20 through above-mentioned cable holder subassembly, solve cable holder installation problem, can also satisfy cable holder 33's installation requirement. The support column 31 can be made of hot rolled section steel such as channel steel, I-shaped steel and the like, is low in manufacturing cost and can meet the requirement of design strength. More specifically, the support column 31 reserves bolt holes along the height direction according to the number of cables in the sub-channel and the range of bolts of the cable bridge, and the cable support is connected with the channel steel upright column through bolts. As shown in fig. 1, the support columns 31 of the cable support assembly can be arranged near the partition wall 20, the distance between the support columns can be set to 150mm, and also as shown in the figures, the cable support assembly can be arranged near the housing 20, and the arrangement mode can leave a space for the walking of the person.

In order to improve the installation strength of the supporting column 31, as a specific implementation manner, as shown in fig. 1, an embedded steel plate 32 is embedded in the housing 10, and the supporting column 31 is fixedly connected to the inner wall of the housing through the embedded steel plate 32. The installation mode is convenient and simple, the manufacturing cost is low, and the installation requirement can be met.

Generally, the cables are arranged along the extending direction of the passage or sub-passage with an extremely long span, and therefore, the cable support assemblies are arranged in a plurality at intervals along the extending direction of the partition wall 20. The set distance may be determined according to the number of cable sets and the cable weight or diameter.

Generally, a plurality of channels are arranged in the comprehensive pipe rack and are respectively provided with a liquid pipeline or a power pipeline, the liquid pipeline channels can be arranged at the bottom of the comprehensive pipe rack, the power pipeline channels can be arranged at the upper part of the comprehensive pipe rack, as an optional implementation mode, an escape opening is formed in the bottom of each sub-channel, the power pipeline channels are made to pass through the escape openings and the liquid pipeline channels, the escape openings can be provided with a plurality of escape openings, and people can conveniently select the nearest escape openings to escape when escaping.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. However, these simple modifications and combinations should also be considered as disclosed in the present invention, and all fall within the scope of protection of the present invention.

Claims

1. The utility model provides a utility tunnel electric power cabin which characterized in that, including can set up in inside shell (10) of mountain and the partition wall (20) of vertical setting in shell (10), shell (10) enclose into the passageway, partition wall (20) are piled up by building block (21) and are formed, partition wall (20) will the passageway is separated for a plurality of subchannels side by side.

2. The utility power bay of claim 1, further comprising a force-bearing column (22) separating the partition wall (20) into sections along the direction of channel extension.

3. The utility power bay of claim 2, wherein the ends of the outer shell (10) have different heights and the messenger posts (22) are vertically disposed.

4. The utility tunnel power bay according to claim 2, wherein the reinforcement (221) of the messenger column (22) protrudes through the top and bottom of the messenger column (22) and is embedded within the outer shell (10).

5. The utility power bay of claim 1, further comprising through-length tie bars (23) disposed within the partition (20) in the direction of extension of the partition (20).

6. The utility tunnel power bay according to claim 5, wherein the through tie bars (23) are provided in plurality at intervals in the direction of the wall height of the partition wall (20).

7. The utility tunnel power bay of claim 1, further comprising a cable tray assembly, wherein the cable tray assembly comprises a support column (31) and a cable tray (33) mounted on the support column (31), wherein the cable tray (33) comprises a cable tray capable of holding a cable, wherein the support column (31) is vertically disposed within the sub-channel, and wherein the top end and the bottom end of the support column (31) are respectively fixedly connected to the inner wall of the housing (10).

8. The utility tunnel power compartment of claim 7, wherein embedded steel plates (32) are installed in the housing (10), and the supporting columns (31) are fixedly connected to the inner wall of the housing through the embedded steel plates (32).

9. The utility tunnel power bay of claim 8, wherein the cable bracket assemblies are spaced apart in a plurality along the extension of the partition wall (20).

10. The utility tunnel power bay of claim 1, wherein an escape opening is provided at the bottom of each sub-passageway.