CN216077186U - Prefabricated rail top wind channel of subway station tunnel concatenation formula - Google Patents
Prefabricated rail top wind channel of subway station tunnel concatenation formula Download PDFInfo
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- CN216077186U CN216077186U CN202121819945.8U CN202121819945U CN216077186U CN 216077186 U CN216077186 U CN 216077186U CN 202121819945 U CN202121819945 U CN 202121819945U CN 216077186 U CN216077186 U CN 216077186U
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- air duct
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- wind channel
- prefabricated rail
- rail top
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Abstract
The utility model discloses a splicing type prefabricated rail top air duct of a tunnel of a subway station, which comprises square air duct plates and annular rib beams, wherein the four square air duct plates are mutually and laterally connected to form a square air duct pipe assembly, the annular rib beams are sleeved and buckled on the periphery of the square air duct pipe assembly to form a rail top air duct unit, the rail top air duct unit is mutually connected to form an extended rail top air duct, the prefabricated rail top air duct is formed by splicing the square air duct plates and the annular rib beams and is connected through connecting holes and bolts, the installation and the disassembly are very convenient, the construction site can be greatly simplified, the construction efficiency is improved, the square air duct plates and the annular rib beams are of an integrated structure, the mass processing in a factory is facilitated, the quality management is convenient, the cost is saved, and the application value is very high.
Description
Technical Field
The utility model belongs to the field of assembly type buildings, and particularly relates to a tunnel splicing type prefabricated rail top air duct of a subway station.
Background
At present, a platform public area of a domestic urban rail transit subway station is provided with a shielding door, the shielding door system separates a platform waiting area from a driving tunnel, meanwhile, the shielding door also divides a ventilation air-conditioning system into a station ventilation air-conditioning system and a tunnel ventilation system, the tunnel ventilation system is divided into a station tunnel ventilation system and an interval tunnel ventilation system according to the difference of service areas, and in order to ensure the normal operation of a vehicle-mounted air conditioner and remove the brake heat productivity of a train when the train is parked, a rail top and a lower exhaust duct of a platform plate are arranged in the station tunnel.
The rail top wind channel in traditional station tunnel adopts cast in situ concrete wind channel or prefabricated wind channel, and generally not pour simultaneously with the station main part, its construction, the installation has the site operation procedure many, use the labour many, the construction is complicated, equipment is complicated, engineering cycle is long, cause the construction operation confusion easily, the operational environment is poor, personnel safety scheduling problem, and the construction cost is high, area occupied is big, therefore design a intensity height, the simple prefabricated rail top wind channel of concatenation formula of installation has important realistic meaning.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model discloses a tunnel splicing type prefabricated rail top air duct of a subway station, which adopts the technical scheme that:
the utility model provides a prefabricated rail top wind channel of subway station tunnel concatenation formula, prefabricated rail top wind channel includes square wind channel board and annular rib roof beam, four the mutual side direction of square wind channel board is connected and is constituted square wind channel pipe assembly, annular rib roof beam cover is detained the peripheral prefabricated rail top wind channel unit of constituting of square wind channel pipe assembly, prefabricated rail top wind channel unit interconnect constitutes the extension prefabricated rail top wind channel, prefabricated rail top wind channel unit junction is equipped with annular rubber strip and annular rubber recess.
Furthermore, the mutual lateral connection part of the square air duct plates is provided with a strip-shaped adhesive tape, the strip-shaped adhesive tape is provided with an air duct board clamping groove, and the square air duct plates are laterally connected with each other through the strip-shaped adhesive tape.
Furthermore, connecting holes are reserved in the square air duct plate and the annular rib beam, and the square air duct plate and the annular rib beam are connected with each other through bolts and the connecting holes.
Further, a sealing layer between plates is arranged at the joint between the rail top air duct units, and the sealing layer between plates comprises weather-resistant glue.
Furthermore, rib beam sealing layers are arranged at the joints of the annular rib beams and the square air duct plates, and the rib beam sealing layers are formed by pouring ultrahigh-strength concrete.
Furthermore, the square air duct plate is an integrated structure formed by pouring ultrahigh-strength concrete, and the annular rib beam is an integrated structure formed by pouring ultrahigh-strength concrete.
The utility model has the following beneficial effects:
according to the tunnel splicing type prefabricated rail top air duct of the subway station, disclosed by the utility model, the square air duct plate and the annular rib beam are respectively poured by a high-performance concrete works, so that the tunnel splicing type prefabricated rail top air duct has the characteristics of high strength, stable structure and the like, and is longer in service life; the arrangement of the annular rubber strips, the annular rubber grooves, the strip-shaped rubber strips, the inter-plate sealing layers and the rib beam sealing layers enables the connection of the top air duct of the prefabricated rail to be tighter, the sealing performance is better, and the air guiding performance is stronger; the square air duct plate and the annular rib beam are flexibly spliced through the connecting holes and the bolts, so that the prefabricated rail top air duct is convenient to mount and dismount, and the construction efficiency can be effectively improved; in addition, the square air duct plate and the annular rib beam are suitable for batch production in factories as splicing assemblies, the quality is guaranteed, the cost is low, the construction site is simplified, and the construction efficiency is further improved.
Description of the drawings:
FIG. 1 is a schematic view of a square duct assembly according to the present invention;
FIG. 2 is a schematic structural view of a rail-top duct unit according to the present invention;
the reference numbers in the figures are: square air duct plate-1, annular rib beam-2, strip-shaped rubber strip-3, connecting hole-4 and air duct-5.
The specific implementation mode is as follows:
for better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
As shown in fig. 1, the structural schematic diagram of the square air duct pipe assembly of the utility model is a spliced type prefabricated rail top air duct for a tunnel of a subway station, the prefabricated rail top air duct comprises square air duct plates 1 and annular rib beams 2, four square air duct plates 1 are mutually and laterally connected to form a square air duct pipe assembly, the annular rib beams 2 are sleeved and buckled on the periphery of the square air duct pipe assembly to form a prefabricated rail top air duct unit, the prefabricated rail top air duct units are mutually connected to form an extended prefabricated rail top air duct, the structure of the prefabricated rail top air duct unit is shown in fig. 2, and the joint of the prefabricated rail top air duct unit is provided with an annular rubber strip and an annular rubber groove; a strip-shaped adhesive tape 3 is arranged at the mutual lateral connecting position of the square air duct plates 1, the strip-shaped adhesive tape 3 is provided with an air duct plate connecting groove, and the square air duct plates 1 are mutually laterally connected through the strip-shaped adhesive tape 3; a connecting hole 4 is reserved on the square air duct plate 1 and the annular rib beam, and the square air duct plate 1 and the annular rib beam are connected with each other through a bolt and the connecting hole 4; an inter-plate sealing layer is arranged at the joint between the rail top air duct units and comprises weather-resistant glue; a rib beam sealing layer is arranged at the joint of the annular rib beam 2 and the square air duct plate 1, and the rib beam sealing layer is formed by pouring ultrahigh-strength concrete; the square air duct plate 1 is an integrated structure formed by pouring ultrahigh-strength concrete, and the annular rib beam 2 is an integrated structure formed by pouring ultrahigh-strength concrete.
During actual construction, the square air duct plates are spliced into the square air duct pipe assembly, the side connecting ends between the square air duct plates are connected in a clamped mode through the strip-shaped rubber strips, the clamping position is filled and sealed through weather-resistant rubber, the annular rib beam is sleeved on the square air duct pipe assembly, the connecting holes in the air duct plates and the annular rib beam are used for being fixedly connected through bolts, ultrahigh-performance concrete is poured at the connecting position for sealing, a rail top air duct unit is obtained, then the rail top air duct unit is longitudinally connected through the annular rubber strips and the annular rubber grooves and is fixed through the preformed holes in the annular rib beam and the bolts, a prefabricated rail top air duct with required length is formed, the prefabricated rail top air duct not only improves construction efficiency, but also increases structural stability, saves materials such as templates and the like, can effectively reduce construction cost and simplify a construction site.
The embodiments of the present invention are further explained above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is to be accorded the broadest interpretation so as to encompass all such modifications and alterations as is within the broadest scope of the appended claims.
Claims (6)
1. The utility model provides a prefabricated rail top wind channel of subway station tunnel concatenation formula, a serial communication port, prefabricated rail top wind channel includes square wind channel board and annular rib roof beam, four the mutual side direction of square wind channel board is connected and is constituted square wind channel pipe assembly, annular rib roof beam cover is detained the peripheral prefabricated rail top wind channel unit of constituting of square wind channel pipe assembly, prefabricated rail top wind channel unit interconnect constitutes the extension prefabricated rail top wind channel, prefabricated rail top wind channel unit junction is equipped with annular rubber strip and annular rubber recess.
2. The tunnel splicing type prefabricated rail-top air duct of the subway station as claimed in claim 1, wherein a strip-shaped adhesive tape is arranged at the mutual lateral connecting position of the square air duct plates, the strip-shaped adhesive tape is provided with an air duct plate clamping groove, and the square air duct plates are mutually laterally connected through the strip-shaped adhesive tape.
3. The tunnel-spliced prefabricated rail-top air duct of the subway station as claimed in claim 1, wherein said square air duct plates and said annular rib beams are reserved with connection holes, and said square air duct plates and said annular rib beams are connected with each other through bolts and said connection holes.
4. The tunnel splicing type prefabricated rail-top air duct for the subway station as claimed in claim 1, wherein an inter-plate sealing layer is arranged at the joint between the prefabricated rail-top air duct units, and the inter-plate sealing layer comprises weather-resistant glue.
5. The spliced precast rail-supported air duct of the subway station tunnel according to claim 1, wherein a rib beam sealing layer is arranged at the joint of the annular rib beam and the square air duct plate, and the rib beam sealing layer is formed by pouring ultrahigh-strength concrete.
6. The tunnel splicing type prefabricated rail-roof air duct of the subway station as claimed in claim 1, wherein said square air duct plate is an integrated structure formed by pouring ultra-high-strength concrete, and said annular rib beam is an integrated structure formed by pouring ultra-high-strength concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121819945.8U CN216077186U (en) | 2021-08-05 | 2021-08-05 | Prefabricated rail top wind channel of subway station tunnel concatenation formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121819945.8U CN216077186U (en) | 2021-08-05 | 2021-08-05 | Prefabricated rail top wind channel of subway station tunnel concatenation formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077186U true CN216077186U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121819945.8U Active CN216077186U (en) | 2021-08-05 | 2021-08-05 | Prefabricated rail top wind channel of subway station tunnel concatenation formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077186U (en) |
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2021
- 2021-08-05 CN CN202121819945.8U patent/CN216077186U/en active Active
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