CN216110804U - Prefabricated rail top air duct for tunnel ventilation - Google Patents
Prefabricated rail top air duct for tunnel ventilation Download PDFInfo
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- CN216110804U CN216110804U CN202121821694.7U CN202121821694U CN216110804U CN 216110804 U CN216110804 U CN 216110804U CN 202121821694 U CN202121821694 U CN 202121821694U CN 216110804 U CN216110804 U CN 216110804U
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- roof beam
- annular rib
- wind channel
- rail top
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Abstract
The utility model discloses a prefabricated rail top air duct for tunnel ventilation, which comprises a rail top air duct standard unit connection, wherein the rail top air duct standard unit comprises a rail top air duct plate and an annular rib beam, a symmetrical bulge structure is arranged on an upper rib beam of the annular rib beam in the middle, a one-way bulge structure is arranged on an upper rib beam of the annular rib beam at the end part, and upward connecting holes are arranged on the symmetrical bulge structure and the one-way bulge structure.
Description
Technical Field
The utility model belongs to the technical field of assembly type buildings, and particularly relates to a prefabricated rail top air duct for tunnel ventilation.
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.
Traditional station tunnel's rail top wind channel adopts the civil engineering formula wind channel of cast-in-place together with the medium plate, its construction, the installation has on-the-spot construction procedure many, use the labour many, the construction is complicated, equipment is complicated, engineering cycle is long, cause the construction operation confusion easily, the operation environment is poor, personnel's safety scheduling problem, and the construction cost is high, and the area occupied is big, therefore, design a prefabricated rail top wind channel that uses under the construction conditions to subway station tunnel ventilation medium plate specially, simplify the process of installation dismantlement, simplify the work progress, reach and improve the efficiency of construction, cost-effective purpose.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model discloses a prefabricated rail top air duct for tunnel ventilation, which adopts the technical scheme that:
the utility model provides a prefabricated rail top wind channel for tunnel ventilation, prefabricated rail top wind channel includes rail top wind channel standard cell and connects, rail top wind channel standard cell includes rail top wind channel board and annular rib roof beam, rail top wind channel board encloses into the wind channel pipe, annular rib roof beam passes through wind channel pipe interconnect, be equipped with latticed reinforcing bar and steel strand wires in annular rib roof beam and the rail top wind channel board, one rail top wind channel standard cell includes three the annular rib roof beam, wherein lie in the wind channel pipe middle part be middle part annular rib roof beam, lie in be tip annular rib roof beam at wind channel pipe both ends, according to the relative position of annular rib roof beam in vertical plane, the annular rib roof beam is divided into upper rib roof beam, lower rib roof beam and both sides rib roof beam, middle part annular rib roof beam be equipped with the protruding structure of symmetry on the upper rib roof beam, tip annular rib roof beam be equipped with one-way protruding structure on the upper rib roof beam, and upward connecting holes are formed in the symmetrical convex structures and the one-way convex structures.
Further, the rail top air duct standard unit is an integrated structure formed by pouring ultrahigh-strength concrete.
Further, the rail top air duct standard unit is connected with a ventilation middle plate in the tunnel through a bolt and the upward connecting hole.
Furthermore, the end annular rib beam is provided with a longitudinal connecting hole, and the rail top air duct standard unit is connected in an extending mode through the longitudinal connecting hole.
And furthermore, lateral connecting holes are formed in the rib beams on the two sides, the rail top air duct standard units are connected side by side through the lateral connecting holes, and the rail top air duct standard units are filled with structural weather-resistant glue.
The utility model has the following beneficial effects:
the utility model discloses a prefabricated rail top air duct for tunnel ventilation, which is used for a prefabricated rail top air duct constructed in a ventilation middle plate of a subway station tunnel and is cast by ultrahigh-performance concrete, has the characteristics of high strength, good waterproof and fireproof performance, stable structure and the like, and has longer service life; in addition, the arrangement of the symmetrical protruding structures and the one-way protruding structures on the annular rib beam enables the connection between the prefabricated rail top air channel and the tunnel ventilation middle plate to be more convenient and reliable, and can be adjusted through bolts to adapt to various constructed environment conditions of different subway station tunnel ventilation middle plates, the application range is wider, the installation and the disassembly of the prefabricated rail top air channel are more convenient, the site construction procedure is simplified, the construction efficiency is improved, and the construction quality is ensured; in addition, as the integrated prefabricated rail top air channel structure, the integrated prefabricated rail top air channel structure is beneficial to batch production in a factory, can further simplify the construction site while ensuring the quality, and has obvious beneficial effects.
Description of the drawings:
FIG. 1 is a schematic side plan view of a standard unit of a rail-top duct according to the present invention;
FIG. 2 is a schematic top plan view of a prefabricated rail-top duct for tunnel ventilation according to the present invention;
FIG. 3 is a schematic cross-sectional view of a prefabricated rail top duct for tunnel ventilation according to the present invention;
the reference numbers in the figures are: the air duct comprises a rail top air duct plate-1, an annular rib beam-2, an air duct pipe-3, a middle annular rib beam-4, an end annular rib beam-5, an upper rib beam-6, a lower rib beam-7, two side rib beams-8, a symmetrical protrusion structure-9, a one-way protrusion structure-10, an upward connecting hole-11, a bolt-12 and an air duct-13.
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, 2 and 3, a prefabricated rail top air duct for tunnel ventilation, a prefabricated rail top air duct for subway station tunnel ventilation middle plate construction, the prefabricated rail top air duct comprises a rail top air duct standard unit connection, the rail top air duct standard unit comprises a rail top air duct plate 1 and annular rib beams 2, the rail top air duct plate is enclosed into an air duct pipe 3, the annular rib beams 2 are connected with each other through the air duct pipe 3, latticed steel bars and steel strands are arranged in the annular rib beams 2 and the rail top air duct plate 1, one rail top air duct standard unit comprises three annular rib beams 2, wherein the annular rib beams are arranged in the middle of the air duct pipe and are middle annular rib beams 4, the annular rib beams 5 arranged at two ends of the air duct pipe are end annular rib beams 5 as shown in fig. 1, and the annular rib beams are divided into an upper beam 6, an upper beam and an annular rib beam according to the relative positions of the annular rib beams 2 in a vertical plane, The lower rib beam 7 and the two side rib beams 8 are shown in figure 3, the upper rib beam 6 of the middle annular rib beam 4 is provided with a symmetrical convex structure 9, the upper rib beam of the end annular rib beam 5 is provided with a one-way convex structure 10, and the symmetrical convex structure 9 and the one-way convex structure 10 are provided with upward connecting holes 11 shown in figure 2; the rail top air duct standard unit is an integrated structure formed by pouring ultrahigh-strength concrete; the rail top air duct standard unit is connected with the ventilation middle plate through a bolt 12 and the upward connecting hole 11, as shown in figure 3; the end annular rib beam 5 is provided with a longitudinal connecting hole, and the rail top air duct standard unit is in extended connection through the longitudinal connecting hole; lateral connecting holes are formed in the rib beams 8 on the two sides, the rail top air duct standard units are connected side by side through the lateral connecting holes, and filling structure weather-resistant glue is filled between the rail top air duct standard units which are connected side by side.
The prefabricated rail top air channel for tunnel ventilation disclosed by the utility model is suitable for the condition that a subway station tunnel ventilation middle plate is constructed, the connection between the prefabricated rail top air channel and the tunnel ventilation middle plate is more convenient due to the arrangement of the symmetrical raised structures and the one-way raised structures on the annular rib beam, the prefabricated rail top air channel can be adjusted through bolts to adapt to various constructed environment conditions of different subway station tunnel ventilation middle plates, the application range is wider, the prefabricated rail top air channel is more convenient to install and disassemble, the field construction procedure can be greatly simplified, the construction efficiency is improved, and the construction quality is ensured.
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 (5)
1. The utility model provides a prefabricated rail top wind channel for tunnel ventilation, prefabricated rail top wind channel includes rail top wind channel standard cell and connects, rail top wind channel standard cell includes rail top wind channel board and annular rib roof beam, rail top wind channel board encloses into the wind channel pipe, annular rib roof beam passes through wind channel pipe interconnect, be equipped with latticed reinforcing bar and steel strand wires in annular rib roof beam and the rail top wind channel board, one rail top wind channel standard cell includes three annular rib roof beam, wherein lie in the wind channel pipe middle part be middle part annular rib roof beam, lie in be tip annular rib roof beam at the wind channel pipe both ends, according to the relative position of annular rib roof beam in vertical plane, annular rib roof beam divides into upper rib roof beam, lower rib roof beam and both sides rib roof beam, its characterized in that, the middle part annular rib roof beam be equipped with symmetrical protruding structure on the upper rib roof beam, the tip annular rib roof beam be equipped with one-way protruding structure, and upward connecting holes are formed in the symmetrical convex structures and the one-way convex structures.
2. The prefabricated rail-top duct for tunnel ventilation according to claim 1, wherein the rail-top duct standard unit is an ultra-high-strength concrete-cast integrated structure.
3. The prefabricated rail-top duct for tunnel ventilation according to claim 1, wherein the rail-top duct standard unit is connected with a ventilation middle plate in a tunnel through bolts and the upward connecting holes.
4. The prefabricated rail-top duct for tunnel ventilation according to claim 1, wherein the end annular rib beam is provided with a longitudinal connecting hole, and the standard unit of the rail-top duct is in extended connection through the longitudinal connecting hole.
5. The prefabricated rail-top air duct for tunnel ventilation according to claim 1, wherein lateral connecting holes are formed in the two side rib beams, the rail-top air duct standard units are connected side by side through the lateral connecting holes, and structural weather-resistant glue is filled between the rail-top air duct standard units connected side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821694.7U CN216110804U (en) | 2021-08-05 | 2021-08-05 | Prefabricated rail top air duct for tunnel ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821694.7U CN216110804U (en) | 2021-08-05 | 2021-08-05 | Prefabricated rail top air duct for tunnel ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216110804U true CN216110804U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121821694.7U Active CN216110804U (en) | 2021-08-05 | 2021-08-05 | Prefabricated rail top air duct for tunnel ventilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216110804U (en) |
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2021
- 2021-08-05 CN CN202121821694.7U patent/CN216110804U/en active Active
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