CN213869888U - Transformer substation outgoing cable tunnel - Google Patents
Transformer substation outgoing cable tunnel Download PDFInfo
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- CN213869888U CN213869888U CN202021172538.8U CN202021172538U CN213869888U CN 213869888 U CN213869888 U CN 213869888U CN 202021172538 U CN202021172538 U CN 202021172538U CN 213869888 U CN213869888 U CN 213869888U
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- tunnel
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- dry powder
- cable
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Abstract
The utility model discloses a transformer substation is qualified for next round of competitions cable tunnel, include: the tunnel main body is formed by pouring concrete; the manholes are arranged at the tops of two ends of the tunnel main body; the water collecting well is arranged at the bottom of the tunnel main body; the lifting hook is arranged on the top surface of the tunnel body; the dry powder extinguishing device is hung on the lifting hook; the first bracket is fixed at the top of the tunnel main body; the distribution box is hung on the first support; the ceiling is arranged at the top of the tunnel main body; the tunnel main body is cast by concrete in the outgoing line area of the transformer substation, the sealing performance and the safety are high, the sleeves are respectively embedded at the two ends of the tunnel main body, the top parts of the two ends of the tunnel main body are provided with manholes for workers to go in and out, the drainage, fire protection and illumination configuration is further arranged in the tunnel main body, and the engineering constructors can perform cable chopping in the tunnel main body.
Description
Technical Field
The utility model relates to a power transmission and transformation capital construction technical field, in particular to cable tunnel is qualified for next round of competitions of transformer substation.
Background
In the outgoing cable corridor of the transformer substation, a cable trench or a calandria open well is arranged in the traditional mode, but in the two modes, when initial construction and maintenance are carried out, cable chopping and other work need to be carried out on the ground, the road occupation time is long, the space is small, and the improvement of the construction efficiency and the construction feasibility are not facilitated. In addition, the cable trench and the pipe racking open well are insufficient in strength and sealing performance, sand and soil easily flows into gaps between well cover plates, the pressure resistance is weak, the problems of pipe racking deformation, trench wall foundation collapse and the like easily occur, and operation and maintenance personnel are influenced to check the operation condition of the cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a transformer substation's cable tunnel of being qualified for the next round of competitions, leakproofness and security are good, and construction and fortune dimension are convenient.
The embodiment of the utility model provides a transformer substation cable tunnel of being qualified for next round of competitions, include:
the tunnel main body is formed by pouring concrete, and sleeves for cables to penetrate through are pre-buried at two ends of the tunnel main body respectively;
manholes which are arranged at the tops of two ends of the tunnel main body and used for people to enter and exit;
the water collecting well is arranged at the bottom of the tunnel main body and used for collecting accumulated water;
a hook disposed on a top surface of the tunnel body;
the dry powder extinguishing device is hung on the lifting hook;
the first bracket is fixed at the top of the tunnel main body;
the distribution box is hung on the first support;
and the ceiling of the lighting lamp is arranged at the top of the tunnel main body and is electrically connected with the distribution box.
According to the utility model discloses transformer substation cable tunnel of being qualified for the next round of competitions has following beneficial effect at least: the tunnel main body is cast by concrete in the outgoing line area of the transformer substation, the sealing performance and the safety are high, the sleeves are respectively embedded at the two ends of the tunnel main body, the top parts of the two ends of the tunnel main body are provided with manholes for workers to go in and out, the drainage, fire protection and illumination configuration is further arranged in the tunnel main body, and the engineering constructors can perform cable chopping in the tunnel main body. Wherein, first support is fixed in the top of tunnel main part, and the block terminal hoist and mount are on first support for the mounted position of block terminal is higher, is difficult for soaking, and is safer.
According to some embodiments of the utility model, still including setting up the cable support of the inside both sides of tunnel main part, both sides the cable support dislocation set each other. The cable support on the two sides in the tunnel main body is used for supporting the cable, the problem that the cable is accumulated to cause overhigh operation temperature and cause the reduction of current-carrying capacity is avoided, and the possibility of smoke generation caused by overhigh cable temperature is reduced.
According to some embodiments of the utility model, the sump pit is provided with two, is located respectively the below of manhole, the well head department of sump pit is provided with the iron grate.
According to some embodiments of the utility model, the middle part that the transformer substation is qualified for the next round of competitions cable tunnel is provided with the escape canal, the escape canal with 0.5% slope value slope to the sump pit, the groove face in escape canal is provided with the iron grate. The drainage ditch is arranged and slopes towards the water collecting well at a certain gradient, so that water in the tunnel main body can be conveniently collected in the water collecting well.
According to the utility model discloses a some embodiments still include the socket, set up and be in the inside and electricity of tunnel main part connect the block terminal. The socket is arranged to facilitate the power taking of the electric tool during construction.
According to some embodiments of the utility model, dry powder extinguishing device includes rings, stores pressure formula dry powder extinguishing device container, glass ball shower nozzle and pressure indicator, rings connect store the top of pressure formula dry powder extinguishing device container, store the export of pressure formula dry powder extinguishing device container and be located the below, the glass ball shower nozzle is connected store the export of pressure formula dry powder extinguishing device container, pressure indicator installs store the exit of pressure formula dry powder extinguishing device container.
According to some embodiments of the utility model, the dry powder extinguishing device is provided with a plurality ofly, evenly arranges the top of tunnel main part. The arrangement of a plurality of dry powder extinguishing devices enables the safety of the fire fighting arrangement to be higher.
According to the utility model discloses a some embodiments still include forced draught blower and exhaust fan, the forced draught blower place in stretch into the blast pipe on the manhole of tunnel main part one end and from the manhole, the exhaust fan place in stretch into the exhaust pipe on the manhole of the tunnel main part other end and from the manhole.
According to some embodiments of the utility model, be provided with water level monitoring record appearance in the sump pit. When the water level in the water collecting well is detected to be overhigh, the person on duty at ordinary times is convenient to be informed to drain water by using the movable drainage pump.
According to some embodiments of the utility model, manhole department is provided with waterproof apron. After the construction and operation and maintenance are finished, the manhole is sealed by the waterproof cover plate, so that the sealing performance of the outgoing cable tunnel of the transformer substation is improved.
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 present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic plan structure view of a transformer substation outgoing cable tunnel provided in an embodiment of the present invention;
fig. 2 is a schematic view of a vertical structure of a cable tunnel for outgoing cables of a transformer substation provided in an embodiment of the present invention;
fig. 3 is a manhole rough view of a cable tunnel outgoing from a transformer substation provided by the embodiment of the present invention;
fig. 4 is a cable support layout diagram of a transformer substation outgoing cable tunnel provided in the embodiment of the present invention;
fig. 5 is a schematic view of a hook of a cable tunnel outgoing from a transformer substation provided in an embodiment of the present invention;
fig. 6 is a schematic view of a waterproof cover plate of a cable tunnel for outgoing lines of a transformer substation provided by an embodiment of the present invention;
fig. 7 is a drainage and fire-fighting plan view of the outgoing cable tunnel of the transformer substation provided by the embodiment of the present invention;
fig. 8 is a drainage and fire control elevation view of the outgoing cable tunnel of the transformer substation provided by the embodiment of the utility model
Fig. 9 is a structure diagram of a dry powder fire extinguishing apparatus for a transformer substation outgoing cable tunnel provided by the embodiment of the present invention;
fig. 10 is a schematic view of a water collecting well of a transformer substation outgoing cable tunnel provided in the embodiment of the present invention;
fig. 11 is a plan view of a lighting device of a cable tunnel for outgoing cables from a transformer substation provided in an embodiment of the present invention;
fig. 12 is a distribution box and socket layout diagram of the outgoing cable tunnel of the transformer substation provided by the embodiment of the present invention;
fig. 13 is a ventilation elevation view of the outgoing cable tunnel of the transformer substation provided by the embodiment of the present invention.
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 description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to 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 description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, fig. 2, fig. 5, fig. 7, fig. 8, fig. 11 and fig. 12, an embodiment of the present invention provides a transformer substation outgoing cable tunnel, including:
the tunnel main body 100 is formed by pouring concrete, and sleeves 110 for cables to penetrate through are pre-buried at two ends of the tunnel main body;
a sump 300 provided at the bottom of the tunnel body 100 for collecting accumulated water;
a hook 400 disposed on the top surface of the tunnel body 100;
the dry powder extinguishing device 500 is hung on the lifting hook 400;
a first bracket 600 fixed to the top of the tunnel body 100;
the distribution box 700 is hung on the first bracket 600;
the lighting fixture 800 is attached to the top of the tunnel body 100 and electrically connected to the distribution box 700.
According to the utility model discloses transformer substation cable tunnel of being qualified for the next round of competitions, through being qualified for the next round of competitions at the transformer substation area with concrete placement tunnel main part 100, leakproofness and security are higher, and there is sleeve pipe 110 at both ends pre-buried respectively, tunnel main part 100 both ends top is provided with manhole 200, can supply the workman of executing to pass in and out, tunnel main part 100 is inside still to be provided with the drainage, fire control and illumination configuration, engineering constructor can carry out the cable cutover in tunnel main part 100 is inside, with traditional cable cutover the ground and cut over the relative ratio, reduce the time of reporting road and occuping, construction efficiency and construction feasibility are improved. Wherein, first support 600 is fixed in the top of tunnel main part 100, and block terminal 700 hoists on first support 600 for block terminal 700's mounted position is higher, is difficult for soaking, and is safer.
Referring to fig. 4, in some embodiments of the present invention, the tunnel further includes cable holders 120 disposed at two sides inside the tunnel main body 100, and the cable holders 120 at two sides are disposed to be offset from each other. The cable holders 120 on two sides inside the tunnel main body 100 are used for supporting cables, so that the problem that the current-carrying capacity is reduced due to overhigh operation temperature caused by cable accumulation is avoided, and the possibility of smoke generation caused by overhigh cable temperature is reduced.
Referring to fig. 1 and 2, in some embodiments of the present invention, two water collecting wells 300 are provided, and are respectively located below the manhole 200, and an iron grate is provided at a wellhead of the water collecting well 300.
Referring to fig. 7, 8 and 10, in some embodiments of the present invention, a drainage ditch 310 is provided in the middle of the outgoing cable tunnel of the substation, the drainage ditch 310 slopes to the sump 300 with a slope value of 0.5%, and an iron grate is provided on the surface of the drainage ditch 310. A drainage ditch 310 is provided and slopes toward the sump 300 at a certain slope so that water inside the tunnel body 100 is collected into the sump 300.
Referring to fig. 12, in some embodiments of the present invention, a socket 710 is further included, which is disposed inside the tunnel main body 100 and electrically connects the distribution box 700. The socket 710 is provided to facilitate power supply of the electric tool during construction.
Referring to fig. 9, in some embodiments of the present invention, the dry powder fire extinguisher 500 comprises a hanging ring 510, a pressure storage type dry powder fire extinguisher container 520, a glass ball nozzle 530 and a pressure indicator 540, the hanging ring 510 is connected to the top of the pressure storage type dry powder fire extinguisher container 520, the outlet of the pressure storage type dry powder fire extinguisher container 520 is located below, the glass ball nozzle 530 is connected to the outlet of the pressure storage type dry powder fire extinguisher container 520, and the pressure indicator 540 is installed at the outlet of the pressure storage type dry powder fire extinguisher container 520.
Referring to fig. 7 and 8, in some embodiments of the present invention, a plurality of dry powder extinguishing devices 500 are provided, and are uniformly arranged on the top of the tunnel main body 100. The provision of a plurality of dry powder extinguishing devices 500 allows for a higher safety fire fighting arrangement.
Referring to fig. 13, in some embodiments of the present invention, a blower 910 and an exhaust fan 920 are further included, the blower 910 is placed on the manhole 200 at one end of the tunnel body 100 and extends into the blast pipe 911 from the manhole 200, and the exhaust fan 920 is placed on the manhole 200 at the other end of the tunnel body 100 and extends into the exhaust pipe 921 from the manhole 200.
Referring to fig. 7, in some embodiments of the present invention, a water level monitoring recorder 320 is disposed in the water collecting well 300. When the water level in the water collecting well 300 is detected to be too high, the person on duty at ordinary times can be informed to drain water by using the movable drainage pump.
Referring to fig. 3 and 6, in some embodiments of the present invention, a waterproof cover plate 210 is provided at the manhole 200. After the construction and operation and maintenance are completed, the manhole 200 is sealed by the waterproof cover plate 210, so that the sealing performance of the outgoing cable tunnel of the transformer substation is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (10)
1. The utility model provides a transformer substation cable tunnel that is qualified for next round of competitions which characterized in that includes:
the tunnel main body is formed by pouring concrete, and sleeves for cables to penetrate through are pre-buried at two ends of the tunnel main body respectively;
manholes which are arranged at the tops of two ends of the tunnel main body and used for people to enter and exit;
the water collecting well is arranged at the bottom of the tunnel main body and used for collecting accumulated water;
a hook disposed on a top surface of the tunnel body;
the dry powder extinguishing device is hung on the lifting hook;
the first bracket is fixed at the top of the tunnel main body;
the distribution box is hung on the first support;
and the ceiling of the lighting lamp is arranged at the top of the tunnel main body and is electrically connected with the distribution box.
2. The substation outgoing cable tunnel according to claim 1, further comprising cable brackets arranged on two sides inside the tunnel main body, wherein the cable brackets on two sides are arranged in a staggered manner.
3. The substation outgoing cable tunnel according to claim 1, wherein two water collecting wells are arranged and located below the manhole respectively, and an iron grate is arranged at a wellhead of each water collecting well.
4. The substation outlet cable tunnel according to claim 3, wherein a drainage ditch is arranged in the middle of the substation outlet cable tunnel, the drainage ditch is inclined to the water collecting well at a gradient value of 0.5%, and an iron grate is arranged on the surface of the drainage ditch.
5. The substation outlet cable tunnel of claim 1, further comprising a socket disposed inside the tunnel body and electrically connected to the distribution box.
6. The substation outgoing cable tunnel according to claim 1, wherein the dry powder fire extinguishing device comprises a hanging ring, a pressure storage type dry powder fire extinguishing device container, a glass ball nozzle and a pressure indicator, the hanging ring is connected with the top of the pressure storage type dry powder fire extinguishing device container, an outlet of the pressure storage type dry powder fire extinguishing device container is located below the hanging ring, the glass ball nozzle is connected with an outlet of the pressure storage type dry powder fire extinguishing device container, and the pressure indicator is installed at the outlet of the pressure storage type dry powder fire extinguishing device container.
7. A substation outlet cable tunnel according to claim 1, wherein the dry powder fire extinguishing device is provided in plurality and evenly arranged on the top of the tunnel main body.
8. A substation outlet cable tunnel according to claim 1, further comprising a blower and an exhaust fan, wherein the blower is placed on the manhole at one end of the tunnel body and extends into the blast pipe from the manhole, and the exhaust fan is placed on the manhole at the other end of the tunnel body and extends into the exhaust pipe from the manhole.
9. A substation outlet cable tunnel according to claim 1, wherein a water level monitoring recorder is arranged in the water collecting well.
10. A substation outlet cable tunnel according to claim 1, wherein a waterproof cover plate is arranged at the manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021172538.8U CN213869888U (en) | 2020-06-22 | 2020-06-22 | Transformer substation outgoing cable tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021172538.8U CN213869888U (en) | 2020-06-22 | 2020-06-22 | Transformer substation outgoing cable tunnel |
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| Publication Number | Publication Date |
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| CN213869888U true CN213869888U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021172538.8U Active CN213869888U (en) | 2020-06-22 | 2020-06-22 | Transformer substation outgoing cable tunnel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142471A (en) * | 2022-07-29 | 2022-10-04 | 中铁一局集团建筑安装工程有限公司 | Lightweight assembly type cable tunnel self-balancing top plate and method |
-
2020
- 2020-06-22 CN CN202021172538.8U patent/CN213869888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142471A (en) * | 2022-07-29 | 2022-10-04 | 中铁一局集团建筑安装工程有限公司 | Lightweight assembly type cable tunnel self-balancing top plate and method |
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