CN114411806B - Comprehensive pipe rack cable shaft - Google Patents
Comprehensive pipe rack cable shaft Download PDFInfo
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- CN114411806B CN114411806B CN202111611792.2A CN202111611792A CN114411806B CN 114411806 B CN114411806 B CN 114411806B CN 202111611792 A CN202111611792 A CN 202111611792A CN 114411806 B CN114411806 B CN 114411806B
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- electric
- cabinet
- utility tunnel
- cabin
- cat ladder
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ventilation (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the field of comprehensive pipe racks and discloses a comprehensive pipe rack cable shaft. The cable shaft comprises a shaft body, wherein the interior of the shaft body is at least provided with an electric cabin which is used for being communicated with an electric cabin of a utility tunnel, the electric cabin is provided with a ventilation opening which is used for being communicated with the outside, the interior of the electric cabin is provided with a plurality of support platforms and a ladder stand, the support platforms are arranged at intervals along the vertical direction so as to divide the interior of the electric cabin into a plurality of chambers, the inner wall of each chamber is provided with a wire binding frame which is used for binding cables, each support platform is respectively provided with a through hole which is used for the cables to pass through along the vertical direction, each support platform is provided with a ventilation channel which is used for ventilation, and the cross section area of each support platform is smaller than that of the electric cabin; the cat ladder sets up on the inner wall of electric cabinet along vertical direction, and the cat ladder is close to supporting platform setting, and the bottom sprag of cat ladder is in the bottom of electric cabinet, and the supporting platform at top is in to upwards stretching out in the top of cat ladder.
Description
Technical Field
The invention relates to the field of utility tunnel, in particular to a utility tunnel cable shaft.
Background
The utility tunnel is an important component of municipal infrastructure and is a passage of important pipelines for urban water supply, power supply, heat supply, fuel gas, communication, water drainage and the like. The utility tunnel is an underground engineering, and all functions of the utility tunnel can meet the requirements of building use specifications, including ventilation, fire protection, power supply, maintenance and the like. The cables in the utility tunnel electric power cabin need to be led out from the vertical shaft, and in the process of crossing the vertical shaft, the distance between pedestrian passages is required to be ensured, and the operation and detection requirements of an electric power part are met. In order to meet the requirements, the traditional cable shaft has larger space, but in some scenes with limited occupied area, the design requirements cannot be met; or when a new electric power vertical shaft platform is additionally arranged by utilizing the existing vertical shaft structure, the centralized examples of the standard diagram are difficult to meet the requirements, and a new design technology is needed for supplementing.
Disclosure of Invention
In order to solve the technical problems, the invention provides a comprehensive pipe rack cable shaft.
The invention provides a utility tunnel cable shaft, which comprises a shaft body, wherein at least one electric cabin which is used for being communicated with an electric cabin of the utility tunnel is arranged in the shaft body, a vent which is used for being communicated with the outside is arranged on the electric cabin, and the electric cabin is internally provided with:
the plurality of support platforms are arranged at intervals along the vertical direction so as to divide the interior of the electric cabinet into a plurality of chambers, binding wire frames for binding cables are arranged on the inner walls of the chambers, through holes for the cables to pass through are respectively arranged at the corresponding positions of each support platform along the vertical direction, ventilation channels for ventilation are arranged on the support platforms, and the cross section area of the support platforms is smaller than that of the electric cabinet;
the cat ladder, the cat ladder sets up along vertical direction on the inner wall of electric cabinet, the cat ladder is close to supporting platform sets up, the bottom support of cat ladder is in the bottom of electric cabinet, the top of cat ladder upwards stretches out and is in the top supporting platform.
Optionally, the electric cabin comprises a first cabin and a second cabin communicated with one side of the first cabin, the first cabin is perpendicular to the second cabin, the supporting platform is arranged in the first cabin, and the ladder stand is arranged on the inner wall of the second cabin and is close to the supporting platform.
Optionally, a first guardrail is arranged at a position of the supporting platform corresponding to the second cabin, and an avoidance opening is arranged at a position of the first guardrail corresponding to the crawling ladder.
Optionally, a second guardrail is arranged on the periphery of the through hole.
Optionally, the support platform is a grating plate, and the ventilation channels are formed between rods of the grating plate.
Optionally, be equipped with the bounding wall on the inner wall of cabin, the inside interval of bounding wall is equipped with many secondary beams, supporting platform sets up the bounding wall with the top of secondary beam.
Optionally, a protective cage is arranged at the position of the crawling ladder close to the top of the crawling ladder.
Optionally, the number of the electric cabins is two, and the two electric cabins are respectively communicated with the first electric cabin and the second electric cabin of the utility tunnel.
Optionally, a communication cabin for communicating with the communication cabin of the utility tunnel is further arranged in the vertical shaft body.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following advantages:
according to the invention, the vertical length of the electric cabin is larger, the electric cabin is divided into a plurality of chambers through the plurality of support platform bodies, during installation, the cable is led into the uppermost chamber, and is led down through the through holes on the support platform, so that the cable can pass through each chamber, and part of the cable is led out from the different chambers according to design requirements, thereby being convenient for the arrangement of the cable, and simultaneously reducing the transverse occupied area of the electric cabin. In addition, the adjacent chambers are communicated through the ventilation channels and are ventilated through the ventilation openings, so that ventilation requirements are met. The inside in the electric cabinet is equipped with the cat ladder, and staff in the utility tunnel can enter into in the cavity to climb to the bottom in electric cabinet through the cat ladder, realize the function of fleing, ensure staff's safe construction.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a plan view of an arrangement of chambers in an upper layer according to an embodiment of the present invention;
FIG. 2 is a plan view of an arrangement of chambers in an underlying layer according to an embodiment of the present invention;
FIG. 3 is a vertical cross-section of an electric compartment according to an embodiment of the invention;
fig. 4 is a schematic view of an arrangement mode of a ladder according to an embodiment of the invention.
Description of the reference numerals
1. A shaft body; 2. an electric compartment; 21. a first compartment; 22. a second compartment; 23. a chamber; 3. a support platform; 4. a binding frame; 5. a through hole; 6. a vent passage; 7. a ladder stand; 71. a protective cage; 8. a first guardrail; 81. a second guardrail; 9. a main beam; 91. a secondary beam; 10. a cabin.
Detailed Description
In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be made. The embodiments of the present invention and the features in the embodiments may be combined with each other without collision.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced otherwise than as described herein; it is apparent that the embodiments in the specification are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1 to 4, the utility tunnel cable shaft provided by the embodiment of the invention comprises a shaft body 1, wherein at least one electric cabin 2 for communicating with the electric cabin of the utility tunnel is arranged in the shaft body 1, and a ventilation opening for communicating with the outside is arranged on the electric cabin 2. Preferably, the ventilation openings are provided at the top of the electric compartment 2 or the side walls of the electric compartment 2 near the top thereof, ensuring that the ventilation requirements are met. The inside of the electric cabinet 2 is provided with a cat ladder 7 and a plurality of supporting platforms 3, and the supporting platforms 3 are used for stepping on by staff, so that the staff can escape conveniently and the cable can be maintained on the supporting platforms 3.
As shown in fig. 1 to 3, the support platforms 3 are disposed along a horizontal direction, and the plurality of support platforms 3 are disposed at intervals along a vertical direction to divide the inside of the electric compartment 2 into a plurality of chambers 23. The inner wall of the cavity 23 is provided with a plurality of binding wire frames 4 for binding cables, the binding wire frames 4 are arranged on the inner wall of the cavity 23 at intervals along the horizontal direction, and the arrangement effect of the cables is ensured. Through holes 5 for the cables to pass through are respectively arranged at the corresponding positions of each supporting platform 3 along the vertical direction, and the cables at the top can be smoothly extended into the lower-layer cavity 23 through the through holes 5, so that the cables are reasonably distributed in the electric cabinet 2. The support platform 3 is provided with a ventilation channel 6 for ventilation, and ventilation needs to be ensured between two adjacent chambers 23 because the cross-sectional area of the electric cabinet 2 is smaller, so that ventilation holes are formed in the support platform 3 to meet ventilation requirements. Furthermore, the cross-sectional area of the support platform 3 is smaller than the cross-sectional area of the electric compartment 2, facilitating the arrangement of the ladder 7.
The cat ladder 7 sets up on the inner wall of electric cabinet 2 along vertical direction, and cat ladder 7 is close to supporting platform 3 setting, and the bottom sprag of cat ladder 7 is in the bottom of electric cabinet 2, and the supporting platform 3 at the top is in upwards stretching out at the top of cat ladder 7, the staff of being convenient for scrambles. Further optimally, the position of the cat ladder 7 close to the top of the cat ladder is provided with a protection cage 71, so that workers are prevented from falling down, and the safety of the workers is ensured. Preferably, the top-lying chamber 23 of the present invention communicates with the utility tunnel's electrical compartment, thereby allowing cables to pass from above and below within the compartment 2.
The electric cabinet 2 is large in vertical length, the electric cabinet 2 is divided into a plurality of chambers 23 through the bodies of the plurality of support platforms 3, during installation, cables are led into the uppermost chamber 23, the cables are led down through the through holes 5 on the support platforms 3, so that the cables can pass through the chambers 23, part of the cables are led out from the different chambers 23 according to design requirements, the arrangement of the cables is facilitated, and meanwhile, the transverse occupied area of the electric cabinet 2 is reduced. In addition, the adjacent chambers 23 are communicated through the ventilation channels 6 and are ventilated through ventilation openings, so that ventilation requirements are met. The inside of the electric cabinet 2 is provided with the cat ladder 7, and staff in the utility tunnel can enter the cavity 23 and climb to the bottom of the electric cabinet 2 through the cat ladder 7, so that the escape function is realized, and the safety construction of the staff is ensured. Therefore, the cable shaft provided by the invention has small occupied space, and can meet the requirements of electric power operation and detection, ventilation, escape and the like. In addition, the pipeline installation of cable shaft, the quantity of supporting platform 3, trompil position, the operation space size all can design after according to shaft functional analysis. And the size of the supporting platform 3 and the size and the position of the reserved holes are required to meet the requirements of operation and inspection.
In some embodiments, as shown in connection with fig. 1 and 2, the electric compartment 2 comprises a first compartment 21 and a second compartment 22 communicating with one side of the first compartment 21, wherein the cross section of the first compartment 21 and the second compartment 22 is preferably rectangular, and the first compartment 21 is perpendicular to the second compartment 22, so that the cross section of the electric compartment 2 forms an L-shape, reducing space occupation. The support platform 3 is arranged in the first compartment 21, preferably the area of the support platform 3 is the same as the cross-sectional area of the first compartment 21, so that the support platform 3 occupies the whole first compartment 21, resulting in a more compact overall structure. The cat ladder 7 is arranged on the inner wall of the second cabin 22 and is close to the position of the supporting platform 3, so that a worker on the supporting platform 3 can climb to the cat ladder 7 and then climb to a designated position through the cat ladder 7.
In order to ensure the safety of the staff, the position of the supporting platform 3 corresponding to the second cabin 22 is provided with a first guardrail 8, the position of the first guardrail 8 corresponding to the cat ladder 7 is provided with an avoidance opening, and the staff can climb up the cat ladder 7 while falling down the stairs is avoided. In addition, the periphery of the through hole 5 is provided with a second guardrail 81 to prevent workers from falling from the through hole 5.
In order to ensure the supporting effect, the supporting platform 3 of the present invention is preferably of steel structure, and in particular, the supporting platform 3 may be a steel grating plate or a steel plate provided with ventilation channels 6. When the support platform 3 is a grid plate, ventilation channels 6 are formed between the bars of the grid plate. In addition, under humid environment, supporting platform 3 can adopt stainless steel material to increase supporting platform 3's life, and consider electric power maintenance platform fortune to examine the demand, can spray insulating, fire prevention or rust-resistant material on supporting platform 3 and shaft body 1's inner wall, can also increase shaft body 1's life and promote its result of use.
As shown in fig. 1 and 2, the enclosure plate is provided on the inner wall of the electric cabinet 2, a plurality of sub-beams 91 are provided at intervals inside the enclosure plate, and the support platform 3 is provided on top of the enclosure plate and the sub-beams 91. Specifically, be equipped with a plurality of girders 9 on the inner wall of cabin 2, girder 9 encloses into the bounding wall, and shaft body 1 when pouring, pre-buried steel sheet in the position that needs mounting support platform 3, and the steel sheet is used for being connected with girder 9, ensures the supporting effect. The load of the embedded steel plate can be 3kN/m 2 Or load considerations determined by design.
The section type of the comprehensive pipe rack is single-hole round or single-hole city door opening, and the comprehensive pipe rack is divided into an upper layer and a lower layer in a standard cross section, and four cabins are arranged in total. The upper three cabins are respectively a telecommunication cabin and two electric cabins, and for convenience of description, the two electric cabins are respectively called a first electric cabin and a second electric cabin, and the lower cabin is a water cabin. Correspondingly, the electric cabins 2 of the utility tunnel are two, and two electric cabins 2 are respectively communicated with the first electric cabin and the second electric cabin of the utility tunnel, and the inside of the vertical shaft body 1 is also provided with a communication cabin 10 which is used for being communicated with the communication cabin of the utility tunnel. Preferably, as shown in fig. 1 and fig. 2, the cross section of the shaft body 1 is rectangular, the two electric cabins 2 are all in the L shape, specifically, two L-shaped partition boards are arranged at intervals inside the shaft body 1, one electric cabin 2 is formed between the L-shaped partition board with larger length and the inner wall of the shaft body 1, another electric cabin 2 is formed between the two L-shaped partition boards, and a signal cabin 10 is formed between the L-shaped partition board with smaller length and the inner wall of the shaft body 1.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility tunnel cable shaft, its characterized in that, the cable shaft includes shaft body (1), the inside of shaft body (1) is equipped with at least one electric cabinet (2) that are used for with utility tunnel's electric cabinet intercommunication, be equipped with on electric cabinet (2) and be used for the vent with outside intercommunication, the inside of electric cabinet (2) is equipped with:
the device comprises a plurality of support platforms (3), wherein the support platforms (3) are arranged at intervals along the vertical direction so as to divide the interior of the electric cabinet (2) into a plurality of chambers (23), binding wire frames (4) for binding cables are arranged on the inner walls of the chambers (23), through holes (5) for passing through the cables are respectively arranged at positions corresponding to the support platforms (3) along the vertical direction, ventilation channels (6) for ventilation are arranged on the support platforms (3), and the cross section area of the support platforms (3) is smaller than that of the electric cabinet (2);
the cat ladder (7), the cat ladder (7) is arranged on the inner wall of the electric cabinet (2) along the vertical direction, the cat ladder (7) is arranged close to the supporting platform (3), the bottom of the cat ladder (7) is supported at the bottom of the electric cabinet (2), and the top of the cat ladder (7) upwards extends out of the supporting platform (3) at the top;
the electric cabinet (2) comprises a first cabinet (21) and a second cabinet (22) communicated with one side of the first cabinet (21), the first cabinet (21) is perpendicular to the second cabinet (22), the supporting platform (3) is arranged in the first cabinet (21), and the climbing ladder (7) is arranged on the inner wall of the second cabinet (22) and is close to the supporting platform (3).
2. The utility tunnel cable shaft according to claim 1, characterized in that a first guardrail (8) is provided at a position of the support platform (3) corresponding to the second cabin (22), and a avoidance opening is provided at a position of the first guardrail (8) corresponding to the ladder stand (7).
3. Utility tunnel cable shaft according to claim 1, characterized in that the periphery of the through hole (5) is provided with a second railing (81).
4. Utility tunnel cable shaft according to claim 1, characterized in that the support platform (3) is a grating plate, between the bars of which the ventilation channels (6) are formed.
5. The utility tunnel cable shaft according to claim 1, characterized in that the inner wall of the electric cabin (2) is provided with a coaming, the inner space of the coaming is provided with a plurality of secondary beams (91), and the supporting platform (3) is arranged at the top of the coaming and the secondary beams (91).
6. The utility tunnel cable shaft according to claim 1, characterized in that the ladder (7) is provided with a cage (71) near its top position.
7. Utility tunnel cable shaft according to any one of claims 1 to 6, characterized in that the number of electric cabins (2) is two, two electric cabins (2) being in communication with the first and second electric cabins of the utility tunnel, respectively.
8. Utility tunnel cable shaft according to claim 7, characterized in that the interior of the shaft body (1) is further provided with a communication cabin (10) for communication with the cabin of the utility tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611792.2A CN114411806B (en) | 2021-12-27 | 2021-12-27 | Comprehensive pipe rack cable shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611792.2A CN114411806B (en) | 2021-12-27 | 2021-12-27 | Comprehensive pipe rack cable shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114411806A CN114411806A (en) | 2022-04-29 |
| CN114411806B true CN114411806B (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111611792.2A Active CN114411806B (en) | 2021-12-27 | 2021-12-27 | Comprehensive pipe rack cable shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN114411806B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209368879U (en) * | 2018-12-03 | 2019-09-10 | 中国市政工程华北设计研究总院有限公司 | A kind of double-deck pipe gallery with multi-functional vertical shaft |
| CN209323565U (en) * | 2018-12-13 | 2019-08-30 | 中冶京诚工程技术有限公司 | A kind of integration node of underground pipe gallery |
| CN110206061B (en) * | 2019-04-19 | 2024-02-06 | 中冶京诚工程技术有限公司 | Multi-cabin cable duct corridor with ventilation and leading-out integrated node structure |
| CN213597033U (en) * | 2020-12-09 | 2021-07-02 | 北京市水利规划设计研究院 | Deep buried comprehensive pipe gallery |
| CN113090269A (en) * | 2021-04-14 | 2021-07-09 | 国网重庆市电力公司经济技术研究院 | Comprehensive hidden excavation cable channel shaft |
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2021
- 2021-12-27 CN CN202111611792.2A patent/CN114411806B/en active Active
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| Publication number | Publication date |
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| CN114411806A (en) | 2022-04-29 |
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