CN113090269A - Comprehensive hidden excavation cable channel shaft - Google Patents
Comprehensive hidden excavation cable channel shaft Download PDFInfo
- Publication number
- CN113090269A CN113090269A CN202110401718.1A CN202110401718A CN113090269A CN 113090269 A CN113090269 A CN 113090269A CN 202110401718 A CN202110401718 A CN 202110401718A CN 113090269 A CN113090269 A CN 113090269A
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- channel
- cable
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- cable channel
- shaft
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 33
- 238000005192 partition Methods 0.000 claims abstract description 38
- 238000012423 maintenance Methods 0.000 claims description 37
- 230000008439 repair process Effects 0.000 claims description 9
- 239000000779 smoke Substances 0.000 abstract description 6
- 230000004083 survival effect Effects 0.000 abstract description 5
- 241000282326 Felis catus Species 0.000 abstract description 4
- 230000037361 pathway Effects 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Mechanical Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a comprehensive type concealed excavation cable channel vertical shaft which comprises a cable channel and an overhaul channel, wherein the cable channel and the overhaul channel are vertically arranged underground, horizontal cable outlets are respectively arranged on the upper end side and the lower end side of the cable channel, the cable channel and the overhaul channel are arranged side by side and are separated by a vertical partition wall, a plurality of horizontal rest platforms are sequentially arranged in the overhaul channel at intervals along the vertical direction, overhaul platforms are respectively arranged at the positions, corresponding to the rest platforms, at the same height in the cable channel, fireproof doors are respectively arranged on the rest platforms at the same height and the partition wall between the overhaul platforms, and adjacent rest platforms are connected through inclined walking ladders. Can greatly reduce smoke and hot air entering the overhaul channel and guarantee the survival time and possibility of people refuge in the staircase. The mode that vertical cat ladder was straight from top to bottom in the past is changed, and is good to the maintainer operation, increases personnel's evacuation speed, promotes the security.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a comprehensive type cable channel shaft for hidden excavation.
Background
With the development of cities changing day by day, overhead transmission lines occupying overground space originally develop to underground space, and cable tunnels with voltage levels of 110kV and above become new normality and main force for urban power grid construction. Especially in areas such as main city areas of Chongqing, which are built along mountains, the construction of cable tunnels needs to cross mountains and cross mountains. The cable tunnel needs a section of vertical shaft to communicate the cable tunnel of the underground excavation section and the open excavation section so as to facilitate the laying and the overhaul of the cable.
At present, in a cable shaft, various pipelines such as weak current, control, communication, water supply and drainage, heating and ventilation and the like are mixed with a high-voltage operation cable, and maintainers need to work up and down in the shaft through a vertical ladder, so that the operation risk is high, and the requirement on physical strength is high. In the channel, when cables and other pipelines are newly added or replaced in the later period, the difficulty is higher, even the pipelines cannot be released or drawn out due to disorder in the channel, so that the whole channel is wasted and is newly built or expanded, and the economic cost, the time cost, the social resources, the environmental protection and the like are irrevocable. Moreover, once one of the pipelines fails, the other pipelines are damaged probably; if a fire disaster occurs, the whole channel does not have complete facilities, the personnel escape probability is extremely low, the personal casualty accident is very easy to occur, and the work difficulty of later-stage fire rescue, post-disaster repair and the like is serious.
Therefore, how to provide a comprehensive type of hidden excavation cable passage shaft which overcomes the above problems is a technical problem which needs to be solved currently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a comprehensive hidden excavation cable channel vertical shaft which isolates a cable channel from an overhaul channel, the use spaces of all functions are independent and do not interfere with each other, the overhaul channel forms an independent smoke-proof staircase, smoke and hot gas entering the overhaul channel can be greatly reduced, and the length and the possibility of survival of people refuge in the staircase are guaranteed.
In order to solve the technical problems, the invention provides a comprehensive type concealed excavation cable channel vertical shaft which comprises a cable channel and an overhaul channel, wherein the cable channel and the overhaul channel are vertically arranged underground, horizontal cable outlets are respectively arranged on the side surface of the upper end and the side surface of the lower end of the cable channel, the cable channel and the overhaul channel are arranged in parallel and are separated by a vertical partition wall, a plurality of horizontal rest platforms are sequentially arranged in the overhaul channel at intervals along the vertical direction, overhaul platforms are respectively arranged at the positions, corresponding to the rest platforms, at the same height in the cable channel, fireproof doors are respectively arranged on the partition walls between the rest platforms at the same height and the overhaul platforms, and adjacent rest platforms are connected through inclined walking ladders.
Preferably, the cable device also comprises an air supply channel vertically arranged underground, and the air supply channel and the cable channel are arranged in parallel and are communicated with each other.
Preferably, the fence comprises a fence body extending in the vertical direction, the horizontal section of the fence body is a square frame, the partition wall is arranged in the middle of the fence body, two ends of the partition wall are respectively connected with the middle parts of two opposite sides of the fence body, the maintenance channel is arranged on one side of the partition wall, and the cable channel and the air supply channel are arranged on the other side of the partition wall.
Preferably, prevent fire door set up in the one end of partition wall, the air supply passageway is close to in the other end of partition wall, it is separated that the maintenance platform is the T type cable channel with the air supply passageway.
Preferably, a plurality of the rest platforms are arranged in a staggered mode in the service passage, and a plurality of the walking ladders are arranged in a zigzag mode in a staggered mode.
Preferably, guardrails are provided at the access platform and the step edges.
Preferably, the maintenance platform further comprises a maintenance room arranged on the ground, the maintenance room is positioned above the cable channel and the maintenance channel, an access door is arranged on a wall on one side of the maintenance room, and the access door is connected with the uppermost maintenance platform through the walking ladder which inclines downwards.
Preferably, a partition board is arranged in the overhaul room, an overhaul room is arranged on one side of the partition board, an equipment room is arranged on the other side of the partition board, an air supply well and a fan are arranged in the equipment room, and a feeding well is arranged in the overhaul room.
Preferably, an equipment door is arranged on the other side wall of the maintenance room and communicated with the equipment room.
Preferably, a plurality of windows are arranged on the wall of the repair room.
The invention provides a comprehensive type concealed excavation cable channel vertical shaft which comprises a cable channel and an overhaul channel, wherein the cable channel and the overhaul channel are vertically arranged underground, horizontal cable outlets are respectively arranged on the upper end side and the lower end side of the cable channel, the cable channel and the overhaul channel are arranged side by side and are separated by a vertical partition wall, a plurality of horizontal rest platforms are sequentially arranged in the overhaul channel at intervals along the vertical direction, overhaul platforms are respectively arranged at the positions, corresponding to the rest platforms, at the same height in the cable channel, fireproof doors are respectively arranged on the rest platforms at the same height and the partition wall between the overhaul platforms, and adjacent rest platforms are connected through inclined walking ladders.
Keep apart cable channel and maintenance passageway, each function usage space is independent mutually noninterference, and maintenance passageway forms independent smoke protection stairwell from top to bottom through the walking ladder, can greatly reduce the cigarette and the steam that get into maintenance passageway, and guarantee personnel are when long and the possibility of surviving taking refuge in the stairwell. The mode that vertical cat ladder was straight from top to bottom in the past is changed, and is good to the maintainer operation, increases personnel's evacuation speed, promotes the security.
Drawings
Fig. 1 is a front sectional view of a cable channel in one embodiment of the comprehensive type concealed excavation cable channel shaft provided by the present invention;
fig. 2 is a front sectional view of a repair tunnel in one embodiment of the comprehensive type concealed excavation cable tunnel shaft provided by the present invention;
fig. 3 is a side sectional view of one embodiment of the integrated type concealed excavation cable pathway shaft provided by the present invention;
fig. 4 is a top cross-sectional view of one embodiment of the generalized type of blind excavated cable tunnel riser provided in accordance with the present invention;
FIG. 5 is a rear view of a repair room in one embodiment of the present invention providing a generalized type of a blind excavated cable pathway shaft;
fig. 6 is a top sectional view of a repair room in one embodiment of the comprehensive type concealed excavation cable channel shaft provided by the invention.
Detailed Description
The core of the invention is to provide a comprehensive type cable channel shaft for hidden excavation, which isolates a cable channel and an overhaul channel, the use spaces of all functions are independent and do not interfere with each other, the overhaul channel forms an independent smoke-proof staircase, smoke and hot gas entering the overhaul channel can be greatly reduced, and the length and the possibility of survival of people refuge in the staircase are ensured.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, fig. 1 is a front sectional view of a cable channel in an embodiment of a comprehensive type concealed excavation cable channel shaft provided by the present invention; fig. 2 is a front sectional view of a repair tunnel in one embodiment of the comprehensive type concealed excavation cable tunnel shaft provided by the present invention; fig. 3 is a side sectional view of one embodiment of the integrated type concealed excavation cable pathway shaft provided by the present invention; fig. 4 is a top sectional view of one embodiment of the comprehensive type concealed excavation cable channel shaft provided by the invention.
The invention provides a comprehensive type concealed excavation cable channel vertical shaft, which comprises a cable channel 1 and an overhaul channel 2, wherein the cable channel 1 and the overhaul channel 2 are both vertically arranged underground, horizontal cable outlets 3 are respectively arranged on the side surface of the upper end and the side surface of the lower end of the cable channel 1 so as to be convenient for cables 19 to enter and exit, the two cable outlets 3 are positioned on two different sides of the cable channel 1, the cables 19 enter from the cable outlet 3 on one side and extend out from the cable outlet 3 on the other side after passing through the cable channel 1, and the cables 19 are in a letter Z shape.
The cable channel 1 and the overhaul channel 2 are arranged in parallel and are separated by a vertical partition wall 4 to form two non-communicated channels, the cable channel 1 penetrates through a cable 19, and personnel in the overhaul channel 2 pass through. Inside being provided with a plurality of horizontally rest platform 5 at access way 2, a plurality of rest platform 5 are arranged along vertical direction interval in proper order, link up through the walking ladder 8 of slope between the adjacent rest platform 5. Meanwhile, the cable channel 1 is correspondingly provided with a plurality of horizontal maintenance platforms 6, the corresponding rest platforms 5 and the corresponding maintenance platforms 6 are located at the same height position, and fire doors 7 are arranged on the rest platforms 5 and partition walls 4 between the maintenance platforms 6. The whole shaft is arranged in layers, each layer is provided with a rest platform 5, an overhaul platform 6 and a fireproof door 7, the walking ladder 8 moves between the layers, the fireproof door 7 enters the layer to be operated and interacted, and the work content of overhauling, newly laying, replacing cables and the like is completed. Each fireproof door 7 can be arranged on the same side in the shaft, and can be adjusted in position according to conditions and arranged on different sides in the shaft.
Through setting up partition wall 4 and keeping apart cable channel 1 and maintenance passageway 2, each function use the independent mutual noninterference in space, maintenance passageway 2 forms independent smoke-proof stairwell from top to bottom through walking ladder 8, can greatly reduce the cigarette and the steam that get into maintenance passageway 2, personnel access way is completely independent, be difficult to in time to escape under the condition can regard as temporary refuge room when the conflagration takes place, guarantee personnel when the stairwell refuge survival time and possibility. The mode that vertical cat ladder was straight from top to bottom in the past is changed, and to the maintainer well operation, especially the shaft that the degree of depth is greater than more than 20m, the vertical cat ladder is very examined personnel physical power, can provide rest space for the personnel through rest platform 5, increases personnel evacuation speed, promotes the security. Further, 1-2 layers of rest platforms 5 below the earth surface can be provided with digital control facilities such as lighting, drainage, communication, comprehensive monitoring and the like on the side walls.
In the comprehensive type cable channel shaft with the hidden excavation provided by the embodiment of the invention, the shaft also comprises an air supply channel 9 which is also vertically arranged underground, and the air supply channel 9 and the cable channel 1 are arranged in parallel and are communicated with each other so as to meet the heat dissipation requirement of the cable 19.
Specifically, the enclosure comprises an enclosure wall 10 extending in the vertical direction, the horizontal section of the enclosure wall 10 is a square frame to form a vertical shaft structure, a partition wall 4 is arranged in the middle of the enclosure wall 10, two ends of the partition wall 4 are respectively connected with the middle of two opposite sides of the enclosure wall 10, one side of the partition wall 4 is an overhaul channel 2, and the other side of the partition wall 4 is a cable channel 1 and an air supply channel 9, namely the cable channel 1 and the air supply channel 9 are integrally arranged, and the shape of the enclosure wall and the arrangement mode of each channel can be adjusted according to conditions, and the enclosure wall is within the protection scope of the invention.
Further, prevent that fire door 7 sets up in the one end of partition wall 4, and air supply channel 9 is close to the other end in partition wall 4, and the centre is cable 19, prevents that fire door 7 and air supply channel 9 are located cable 19's both sides respectively promptly, arranges in cable channel 1's space in proper order, overhauls platform 6 and is the T type, and the horizontal part of T type is close to preventing fire door, and cable channel 1 and air supply channel 9 are separated to the longitudinal part of T type.
In the comprehensive type cable channel shaft for the hidden excavation provided by the embodiment of the invention, in order to improve the use convenience, a plurality of rest platforms 5 can be arranged in the overhaul channel 2 in a staggered manner, so that a plurality of walking ladders 8 can be arranged in a zigzag staggered manner, namely the walking ladders 8 inclined left and right are arranged in a staggered manner, the reciprocating rising is realized, and the walking ladders 8 can be arranged in a spiral manner under the condition of sufficient space. When a fire disaster is considered, a fireman enters the vertical shaft, and can hang the water belt upwards by utilizing the gap between the two ladder sections and the handrail in the staircase, so that the rescue operation is quickly expanded, and the head loss is reduced. Furthermore, the edges of the maintenance platform 6 and the walking ladder 8 are provided with guardrails to protect the safety of personnel.
Referring to fig. 5 and 6, fig. 5 is a rear view of a repair room in an embodiment of the invention; fig. 6 is a top sectional view of a repair room in one embodiment of the comprehensive type concealed excavation cable channel shaft provided by the invention.
On the basis of the comprehensive type hidden excavation cable channel shaft that each above-mentioned embodiment provided, still including setting up in the maintenance room 11 on the ground, maintenance room 11 is located cable channel 1 and maintenance channel 2 top, is provided with access door 12 on 11 side walls in maintenance room, and access door 12 links up the maintenance platform 6 that is located the top through the walking ladder 8 of downward sloping, and personnel can pass in and out through access door 12 promptly to get into and withdraw from maintenance channel 2, and personnel can directly withdraw from to outdoor ground.
Further, a partition plate 13 is arranged in the overhaul room 11, one side of the partition plate 13 is an overhaul room, the other side of the partition plate 13 is an equipment room, an air supply well 14 and a fan 15 are arranged in the equipment room, and a feeding well 16 is arranged in the overhaul room. And an equipment door 17 is arranged on the wall on the other side of the maintenance room 11, the equipment door 17 is communicated with the equipment room, and a plurality of windows 18 for ventilation and feeding are arranged on the wall of the maintenance room 11. The equipment room for installing the fan 15 is independently arranged, and can independently enter from the earth surface and be isolated from the overhaul channel 2 and the cable channel 2, so that the times of cross operation are reduced. A feeding inlet window is arranged on the wall and is close to the feeding well 16 so as to meet the ground surface operation requirement when the cable 19 is released and replaced. Because the blast well 14 and the cable channel 1 are independent of the maintenance channel 2, smoke and hot air can quickly rise along the blast channel 9, the blast well 14 and the cable channel 1 due to chimney effect in case of fire and are dissipated to the atmosphere from the feeding inlet window and the window, smoke and hot air entering the smoke-proof stairway are reduced, and the time and possibility of people taking refuge and survival in the stairway are guaranteed. In particular, the window 18 is provided with rain-proof louvers.
The comprehensive type concealed excavation cable channel vertical shaft provided by the invention is described in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A comprehensive type hidden excavation cable channel vertical shaft is characterized by comprising a cable channel (1) and an overhaul channel (2) which are vertically arranged underground, the lateral surface of the upper end and the lateral surface of the lower end of the cable channel (1) are both provided with a horizontal cable outlet (3), the cable channel (1) and the overhaul channel (2) are arranged in parallel and are separated by a vertical partition wall (4), a plurality of horizontal rest platforms (5) are sequentially arranged in the overhaul channel (2) at intervals along the vertical direction, the cable channel (1) is internally provided with an overhaul platform (6) corresponding to the same height position of each rest platform (5), the rest platforms (5) and partition walls (4) between the overhaul platforms (6) are provided with fireproof doors (7) at the same height, and adjacent rest platforms (5) are connected through inclined walking ladders (8).
2. The integrated type blind excavation cable channel shaft of claim 1, further comprising an air supply channel (9) vertically disposed underground, the air supply channel (9) being juxtaposed and communicating with the cable channel (1).
3. The comprehensive type underground excavation cable channel shaft of claim 2, characterized by comprising an enclosing wall (10) extending in the vertical direction, wherein the horizontal section of the enclosing wall (10) is a square frame, the partition wall (4) is arranged in the middle of the enclosing wall (10), two ends of the partition wall (4) are respectively connected with the middle parts of two opposite sides of the enclosing wall (10), one side of the partition wall (4) is the maintenance channel (2), and the other side of the partition wall (4) is the cable channel (1) and the air supply channel (9).
4. The generalized type blind-excavation cable passage shaft according to claim 3, characterized in that the fire door (7) is provided at one end of the partition wall (4), the air supply passage (9) is close to the other end of the partition wall (4), and the service platform (6) separates the cable passage (1) and the air supply passage (9) in a T-shape.
5. The shaft according to claim 1, characterized in that a plurality of said rest platforms (5) are staggered within said access shaft (2) and a plurality of said walking ladders (8) are staggered in a zigzag pattern.
6. The generalized type concealed excavation cable channel shaft of claim 1, characterized in that guardrails are provided at edges of the service platform (6) and the walking ladder (8).
7. The shaft of any one of claims 2 to 6, further comprising a maintenance room (11) disposed above the ground, wherein the maintenance room (11) is located above the cable passageway (1) and the maintenance passageway (2), an access door (12) is disposed on a side wall of the maintenance room (11), and the access door (12) is engaged with the maintenance platform (6) located at the uppermost position by the walking ladder (8) inclined downward.
8. The comprehensive type cable shaft for the blind excavation of claim 7, wherein a partition plate (13) is arranged in the maintenance room (11), one side of the partition plate (13) is a maintenance room, the other side of the partition plate (13) is an equipment room, an air supply well (14) and a fan (15) are arranged in the equipment room, and a feeding well (16) is arranged in the maintenance room.
9. The integrated type blind excavation cable channel shaft of claim 8, wherein an equipment door (17) is provided on the other side wall of the overhaul room (11), and the equipment door (17) is communicated with the equipment room.
10. The comprehensive type closed excavation cable shaft of claim 9, characterized in that a plurality of windows (18) are provided on the wall of the repair room (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401718.1A CN113090269A (en) | 2021-04-14 | 2021-04-14 | Comprehensive hidden excavation cable channel shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401718.1A CN113090269A (en) | 2021-04-14 | 2021-04-14 | Comprehensive hidden excavation cable channel shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113090269A true CN113090269A (en) | 2021-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110401718.1A Pending CN113090269A (en) | 2021-04-14 | 2021-04-14 | Comprehensive hidden excavation cable channel shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN113090269A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411806A (en) * | 2021-12-27 | 2022-04-29 | 北京市水利规划设计研究院 | Comprehensive pipe gallery cable shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118174Y (en) * | 2007-11-26 | 2008-09-17 | 上海电力设计院有限公司 | Outlet cable shaft and out-station tunnel connecting structure |
| JP2012144853A (en) * | 2011-01-07 | 2012-08-02 | Sekisui Chem Co Ltd | Component for construction of vertical shaft and vertical shaft structure |
| CN105178565A (en) * | 2015-08-11 | 2015-12-23 | 中国电建集团华东勘测设计研究院有限公司 | Vertical shaft with cable output feeders doubling as safe evacuation passages in underground powerhouse |
| CN205677200U (en) * | 2016-01-12 | 2016-11-09 | 中国电建集团华东勘测设计研究院有限公司 | A kind of hydroelectric project shaft structure |
| CN110374070A (en) * | 2019-07-30 | 2019-10-25 | 浙江省水利水电勘测设计院 | One kind setting shaft structure of marking time |
-
2021
- 2021-04-14 CN CN202110401718.1A patent/CN113090269A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118174Y (en) * | 2007-11-26 | 2008-09-17 | 上海电力设计院有限公司 | Outlet cable shaft and out-station tunnel connecting structure |
| JP2012144853A (en) * | 2011-01-07 | 2012-08-02 | Sekisui Chem Co Ltd | Component for construction of vertical shaft and vertical shaft structure |
| CN105178565A (en) * | 2015-08-11 | 2015-12-23 | 中国电建集团华东勘测设计研究院有限公司 | Vertical shaft with cable output feeders doubling as safe evacuation passages in underground powerhouse |
| CN205677200U (en) * | 2016-01-12 | 2016-11-09 | 中国电建集团华东勘测设计研究院有限公司 | A kind of hydroelectric project shaft structure |
| CN110374070A (en) * | 2019-07-30 | 2019-10-25 | 浙江省水利水电勘测设计院 | One kind setting shaft structure of marking time |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411806A (en) * | 2021-12-27 | 2022-04-29 | 北京市水利规划设计研究院 | Comprehensive pipe gallery cable shaft |
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