CN215889486U - Combined structure of evacuation stair and air shaft in subway equipment area - Google Patents
Combined structure of evacuation stair and air shaft in subway equipment area Download PDFInfo
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- CN215889486U CN215889486U CN202121570746.8U CN202121570746U CN215889486U CN 215889486 U CN215889486 U CN 215889486U CN 202121570746 U CN202121570746 U CN 202121570746U CN 215889486 U CN215889486 U CN 215889486U
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Abstract
The utility model belongs to the technical field of design and construction of rail transit stations, and particularly provides a combined structure of evacuation stairs and an air shaft in a subway equipment area, which comprises the following components: the air-conditioning system comprises a fresh air well, a fresh air well interlayer, an evacuation channel, an evacuation staircase and an exhaust well; the horizontal clear distance between the fresh air well tuyere and the exhaust well tuyere is kept at a preset value; the evacuation staircase is arranged between the fresh air shaft and the exhaust air shaft, is close to the fresh air shaft and shares part of vertical wall surfaces with the fresh air shaft, the top end of the evacuation staircase is provided with an entrance connected with the ground, and the bottom end of the evacuation staircase is communicated with the evacuation channel; the fresh air well interlayer is arranged above the evacuation channel, and the top end of the fresh air well interlayer is connected to the bottom of the fresh air well. The upper space of the evacuation channel is fully utilized while the self functions of the air shaft group are met, the maximum utilization of the space functions is realized, the occupied area on the ground of a city is reduced, and the land resources are saved.
Description
Technical Field
The utility model belongs to the field of design and construction of rail transit stations, and particularly relates to a combined structure of evacuation stairs and an air shaft in a subway equipment area.
Background
With the development of cities, ground traffic is more and more crowded, and in order to relieve ground traffic pressure, many cities build subways on a large scale. The subway station is usually located in the central section of a city, the ground-out combination of the direct outdoor safety exit evacuation stairs in the unattended equipment area of the subway station and the low wind pavilion group at present is generally in an arrangement mode that a piston wind shaft, an exhaust wind shaft, a fresh air shaft and an evacuation stair room are sequentially arranged, and when the arrangement mode is adopted by the low wind pavilion group, the ground-out combination is longer, and more urban land is occupied.
Because domestic land resources are more and more tense, how to reasonably save occupied space is very important to finish the design of subway stations in limited space. Therefore, the utility model arranges the new air shaft interlayer at the end of the new air shaft, arranges the evacuation channel below the interlayer, arranges the evacuation stairs between the new air shaft and the exhaust shaft and is arranged close to the new air shaft, so that the total length of the combination of the evacuation stairs and the combination of the new air shaft and the exhaust shaft out of the ground in the low wind pavilion group is reduced by 3 m.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the ground-out parts of the wind pavilion and the evacuation stairway of the underground station occupy more ground area in the prior art.
Therefore, the utility model provides a combined structure of evacuation stairs and an air shaft in a subway equipment area, which comprises the following components: the air-conditioning system comprises a fresh air well, a fresh air well interlayer, an evacuation channel, an evacuation staircase and an exhaust well; the horizontal clear distance between the fresh air well tuyere and the exhaust well tuyere is kept at a preset value; the evacuation staircase is arranged between the fresh air shaft and the exhaust air shaft, is close to the fresh air shaft and shares part of vertical wall surfaces with the fresh air shaft, the top end of the evacuation staircase is provided with an entrance connected with the ground, and the bottom end of the evacuation staircase is communicated with the evacuation channel; the fresh air well interlayer is arranged above the evacuation channel, and the top end of the fresh air well interlayer is connected to the bottom of the fresh air well.
Specifically, the top surfaces of the fresh air shaft and the air exhaust shaft are used as air ports.
Specifically, the preset value of the horizontal clear distance between the fresh air well tuyere and the exhaust well tuyere is more than or equal to 10 m.
Specifically, the preset value of the horizontal clear distance between the exit and the ground, connected with the evacuation stairwell, and the air outlet of the air exhaust well is more than or equal to 5 m.
Specifically, the air ports of the fresh air shaft and the air exhaust shaft are higher than the ground by more than 1.2 m.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the combined structure of the evacuation stairs and the air shaft in the subway equipment area, provided by the utility model, has the advantages that the fresh air shaft interlayer is arranged at the end of the fresh air shaft, the evacuation channel is arranged below the interlayer, the evacuation stairs are arranged between the fresh air shaft and the exhaust shaft and are close to the fresh air shaft, the upper space of the evacuation channel is fully utilized, the total length of the evacuation stairs and the combination of the fresh air shaft and the exhaust shaft out of the ground in the low wind pavilion group is reduced by 3m compared with the total length of the combination of the new air shaft and the exhaust shaft out of the ground in the prior art, the maximum utilization of space functions is realized, the occupied urban land is reduced, the application prospect is wide, and the urban land resources are saved.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a plan layout view of the combined structure of evacuation stairs and air shaft in the subway equipment area.
Fig. 2 is a ground-out surface layout diagram of the evacuation stair and air shaft combined structure of the subway equipment area.
Fig. 3 is a sectional view of the combined structure of the evacuation stairway and the air shaft in the subway equipment area.
Description of reference numerals: 1. a fresh air shaft; 2. a fresh air well interlayer; 3. evacuating the channel; 4. evacuating the staircase; 5. and (4) an air exhaust shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 to 3, the present invention provides a combined structure of evacuation stairs and air shaft in a subway equipment area, comprising: the air-conditioning system comprises a fresh air well 1, a fresh air well interlayer 2, an evacuation channel 3, an evacuation staircase 4 and an exhaust well 5; wherein the horizontal clear distance between the tuyere of the fresh air shaft 1 and the tuyere of the exhaust air shaft 5 keeps a preset value; the evacuation staircase 4 is arranged between the fresh air shaft 1 and the air exhaust shaft 5, is close to the fresh air shaft 1 and shares a part of vertical wall surface with the fresh air shaft 1, the top end of the evacuation staircase 4 is provided with an entrance connected with the ground, and the bottom end of the evacuation staircase is communicated with the evacuation channel 3; fresh air well intermediate layer 2 arranges sparse passageway 3 top, just 2 tops of fresh air well intermediate layer are connected 1 bottoms of fresh air well. The adoption arranges fresh air shaft intermediate layer 2, intermediate layer below arranges evacuation passageway 3 at fresh air shaft 1 extreme, arranges evacuation stairwell 4 between fresh air shaft 1, exhaust shaft 5 and the setting of next-door neighbour fresh air shaft 1, compares prior art arrangement mode, and the total length of going out the ground combination reduces, has practiced thrift urban land, can be applied to in a large number in the subway station have the outdoor safety exit's of people's duty equipment district evacuation stairwell 4 and the low wind pavilion group of the windwell co-equipment.
In order to enable the combined structure of the evacuation stairway and the air shaft in the subway equipment area to meet the actual use requirement, the top surfaces of the parts higher than the ground are used as air ports of the fresh air shaft 1 and the air exhaust shaft 5, the horizontal clear distance between the air port of the fresh air shaft 1 and the air port of the air exhaust shaft 5 is kept to be larger than or equal to 10m, and the distance between the air port of the air exhaust shaft 5 and a safety entrance connected with the ground at the top end of the evacuation stairway 4 is larger than or equal to 5 m.
Specifically, the height from the bottom edge of each air shaft air port in the air shelter group to the ground is required to meet the flood-proof requirement, namely the air ports of the new air shaft 1 and the air exhaust shaft 5 are higher than the ground by more than 1.2m, so that the damage to equipment in the air shaft caused by rainwater flowing into the air shaft along the air ports in heavy rain and water accumulation weather is avoided.
In summary, the combined structure of the evacuation stair and the air shaft in the subway equipment area provided by the utility model has the advantages that the fresh air shaft interlayer is arranged at the end of the fresh air shaft, the evacuation channel is arranged below the interlayer, the evacuation stair is arranged between the fresh air shaft and the exhaust shaft and is close to the fresh air shaft, the self functions of the wind pavilion group are met, meanwhile, the upper space of the evacuation channel is fully utilized, the total length of the evacuation stair and the combination of the new exhaust shaft and the exhaust shaft in the low wind pavilion group, which is out of the ground, is reduced by 3m compared with the total length of the combination of the new exhaust shaft and the exhaust shaft in the prior art, the maximum utilization of space functions is realized, the occupied urban land is reduced, the application prospect is wide, and the urban land resources are saved.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the utility model, which is intended to be covered by the claims and any design similar or equivalent to the scope of the utility model.
Claims (5)
1. The utility model provides a combined structure of subway equipment district evacuation stair and ventilating shaft which characterized in that includes: the air-conditioning system comprises a fresh air well (1), a fresh air well interlayer (2), an evacuation channel (3), an evacuation staircase (4) and an exhaust well (5); wherein the horizontal clear distance between the tuyere of the fresh air shaft (1) and the tuyere of the exhaust air shaft (5) is kept at a preset value; the evacuation staircase (4) is arranged between the fresh air shaft (1) and the air exhaust shaft (5), is close to the fresh air shaft (1) and shares part of vertical wall surfaces with the fresh air shaft (1), the top end of the evacuation staircase (4) is provided with an access connected with the ground, and the bottom end of the evacuation staircase is communicated with the evacuation channel (3); the fresh air well interlayer (2) is arranged above the evacuation channel (3), and the top end of the fresh air well interlayer (2) is connected to the bottom of the fresh air well (1).
2. The combination structure of evacuation stairs and air shaft in subway equipment area as claimed in claim 1, wherein: the fresh air shaft (1) and the air exhaust shaft (5) both adopt top surfaces as air ports.
3. The combination structure of evacuation stairs and air shaft in subway equipment area as claimed in claim 1, wherein: the preset value of the horizontal clear distance between the air inlet of the fresh air shaft (1) and the air inlet of the exhaust air shaft (5) is more than or equal to 10 m.
4. The combination structure of evacuation stairs and air shaft in subway equipment area as claimed in claim 1, wherein: the preset value of the horizontal clear distance between the exit and the entrance of the evacuation staircase (4) connected with the ground and the air inlet of the air exhaust shaft (5) is more than or equal to 5 m.
5. The combination structure of evacuation stairs and air shaft in subway equipment area as claimed in claim 1, wherein: and the air ports of the fresh air shaft (1) and the exhaust air shaft (5) are higher than the ground by more than 1.2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121570746.8U CN215889486U (en) | 2021-07-12 | 2021-07-12 | Combined structure of evacuation stair and air shaft in subway equipment area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121570746.8U CN215889486U (en) | 2021-07-12 | 2021-07-12 | Combined structure of evacuation stair and air shaft in subway equipment area |
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| Publication Number | Publication Date |
|---|---|
| CN215889486U true CN215889486U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121570746.8U Active CN215889486U (en) | 2021-07-12 | 2021-07-12 | Combined structure of evacuation stair and air shaft in subway equipment area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948149A (en) * | 2024-03-27 | 2024-04-30 | 北京城建道桥建设集团有限公司 | Multi-starting-point combined excavation construction method for subway station ventilation system with limited ground |
-
2021
- 2021-07-12 CN CN202121570746.8U patent/CN215889486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948149A (en) * | 2024-03-27 | 2024-04-30 | 北京城建道桥建设集团有限公司 | Multi-starting-point combined excavation construction method for subway station ventilation system with limited ground |
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