Ventilation equipment for rail transit

Abstract

The utility model relates to the technical field of rail transit ventilation, in particular to a rail transit ventilation device which comprises a ventilation pipeline, an annular supporting plate and a second filtering plate are fixedly connected in the ventilation pipeline, and the second filtering plate is located at the right end of the annular supporting plate. The first filter plate and the second filter plate are located at the left end and the right end of the ventilation pipeline correspondingly, four evenly-distributed second inserting holes are formed in the left end face of the annular supporting plate, fixing blocks are slidably connected into the multiple second inserting holes, first inserting holes are formed in the front end faces of the fixing blocks, and the inserting assemblies are connected with the fixing blocks through the first inserting holes. Under the action of the inserting assembly, the supporting frame can be conveniently and rapidly detached from the left end of the annular supporting plate, and then the air draft fan and the first filter plate can be conveniently driven to be detached from the ventilation pipeline, so that the air draft fan can be conveniently and independently cleaned in the follow-up process.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation vehicle ventilation, in particular to a ventilation device for rail transportation. Background Art

[0002] Rail transit refers to a type of transportation vehicle or transportation system in which operating vehicles need to travel on specific tracks. The most typical rail transit is a railway system consisting of traditional trains and standard railways. With the diversified development of train and railway technology, rail transit has shown more and more types, not only covering long-distance land transportation, but also widely used in medium and short-distance urban public transportation. With the popularization of urban rail transit platforms and subways, ventilation devices are needed to achieve ventilation of the enclosed environment in subway stations.

[0003] Existing ventilation equipment is fixedly equipped with an exhaust fan, which is used to achieve efficient ventilation. After the exhaust fan has been working for a long time, a large amount of dust and impurities will adhere to its surface. At this time, the exhaust fan needs to be disassembled and cleaned. Since the existing exhaust fan is fixed in the ventilation duct by multiple screws, it is inconvenient for the staff to reach into the ventilation duct and disassemble the exhaust fan for cleaning. Therefore, it is necessary to design a ventilation equipment for rail transit. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a ventilation device for rail transportation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ventilation device for rail transit, comprising a ventilation duct, wherein an annular support plate and a second filter plate are fixedly connected inside the ventilation duct, and the second filter plate is located at the right end of the annular support plate, a plug-in assembly is installed at the right end of the annular support plate, a driving assembly is installed inside the ventilation duct, and the driving assembly is connected to the plug-in assembly, the left end of the annular support plate is detachably connected to a support frame through the plug-in assembly, the left end of the support frame is fixedly connected to an exhaust fan and a connecting rod, a plurality of connecting rods are provided, and are evenly distributed around the exhaust fan, the circumferential surface of the connecting rod is detachably connected to a first filter plate through a connecting assembly, the first filter plate and the second filter plate are respectively located at the left and right ends of the ventilation duct, and the mesh of the first filter plate is larger than the mesh of the second filter plate, the left end surface of the annular support plate is provided with four evenly distributed second plug holes, the interiors of the plurality of second plug holes are all slidably connected with fixed blocks, the plurality of fixed blocks are all fixedly installed at the right end of the support frame, the front end surface of the fixed block is provided with a first plug hole, and the plug-in assembly is connected to the fixed block through the first plug hole;

[0006] The plug-in assembly includes a support plate, a rotating shaft, a disc, a fixed shaft, a connecting rod, an insert block, a fixed frame and a guide rail. The inner wall of the ventilation duct is fixedly connected to the support plate, the interior of the support plate is rotatably connected to the rotating shaft, the left end of the rotating shaft is fixedly connected to the disc, the left end of the disc is fixedly connected to four evenly distributed fixed shafts, the circumferential surface of the fixed shaft is rotatably connected to the connecting rod, the interior of the annular support plate is fixedly connected to the fixed frame, the interior of the fixed frame is fixedly connected to the guide rail, the outer surface of the guide rail is slidably connected to the insert block, the insert block extends into the annular support plate and is slidably connected to the annular support plate, and the insert block is connected to the fixed block through a first socket.

[0007] Furthermore, a mounting plate is fixedly connected to the circumferential surface of the ventilation duct, and a left end surface of the mounting plate is provided with a plurality of threaded holes.

[0008] Furthermore, the connecting assembly includes a nut and a stopper, the circumferential surfaces of the plurality of connecting rods are fixedly connected with the stopper, the circumferential surfaces of the plurality of connecting rods are threadedly connected with the stopper, and the first filter plate is located between the nut and the stopper.

[0009] Furthermore, a handle is fixedly connected to the left end of the first filter plate, and the handle is located at the center of the left side of the first filter plate.

[0010] Furthermore, the driving assembly includes a self-locking motor, a rotating rod, a first bevel gear and a second bevel gear. The self-locking motor is fixedly connected to the circumferential surface of the ventilation duct, and the output shaft end of the self-locking motor is fixedly connected to the rotating rod. The rotating rod extends downward into the ventilation duct and is rotatably connected to the ventilation duct. The bottom end of the rotating rod is fixedly connected to the first bevel gear, and the circumferential surface of the rotating shaft is fixedly connected to the second bevel gear. The second bevel gear is meshed with the first bevel gear, and the right end of the support plate is fixedly connected to the bearing seat. The rotating rod passes through the bearing seat and is rotatably connected to the bearing seat.

[0011] Furthermore, the central axis of the fixed shaft does not coincide with the central axis of the disk, and the fixed shaft is located at the edge of the disk.

[0012] The utility model has the following beneficial effects:

[0013] 1. Compared with the prior art, this kind of ventilation equipment for rail transit can quickly and conveniently detach the support frame from the left end of the annular support plate under the action of the plug-in assembly, thereby conveniently driving the exhaust fan and the first filter plate to be removed from the ventilation duct, so as to facilitate the subsequent separate cleaning of the exhaust fan.

[0014] 2. Compared with the prior art, the ventilation equipment for rail transit can conveniently remove the first filter plate from the connecting rod under the action of the connecting assembly, so that the first filter plate can be cleaned separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a ventilation device for rail transit proposed by the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of a first main partial section of a ventilation device for rail transit proposed by the utility model after the first filter plate, the support frame and the exhaust fan are separated;

[0017] Figure 3 A ventilation device for rail transportation proposed by the utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0018] Figure 4 A ventilation device for rail transportation proposed by the utility model Figure 2 A schematic diagram of the enlarged structure of B;

[0019] Figure 5 It is a structural schematic diagram of a second main partial section of a ventilation device for rail transit proposed by the utility model and after the first filter plate, the support frame and the exhaust fan are separated;

[0020] Figure 6 A ventilation device for rail transportation proposed by the utility model Figure 5 Schematic diagram of the enlarged structure of C in the middle;

[0021] Figure 7 A ventilation device for rail transportation proposed by the utility model Figure 5 Schematic diagram of the enlarged structure of D in the middle;

[0022] Figure 8 This is a schematic diagram of the structure inside the ventilation duct of a ventilation device for rail transit proposed by the utility model;

[0023] Fig. 9 A ventilation device for rail transportation proposed by the utility model Figure 8 Schematic diagram of the enlarged structure of E.

[0024] Legend:

[0025] 1. Ventilation duct; 2. Mounting plate; 3. First plug hole; 4. First filter plate; 5. Exhaust fan; 6. Support frame; 7. Fixed block; 8. Connecting rod; 9. Annular support plate; 10. Self-locking motor; 11. Rotating rod; 12. Support plate; 13. Second filter plate; 14. Second plug hole; 15. Plug block; 16. Guide rail; 17. Fixed frame; 18. Disc; 19. Connecting rod; 20. Fixed shaft; 21. First bevel gear; 22. Second bevel gear; 23. Rotating shaft. DETAILED DESCRIPTION

[0026] Reference Figure 1-9 The utility model provides a ventilation device for rail transit, including a ventilation duct 1, an annular support plate 9 and a second filter plate 13 are fixedly connected inside the ventilation duct 1, and the second filter plate 13 is located at the right end of the annular support plate 9, a plug-in assembly is installed at the right end of the annular support plate 9, a driving assembly is installed inside the ventilation duct 1, and the driving assembly is connected to the plug-in assembly, the left end of the annular support plate 9 is detachably connected to a support frame 6 through a plug-in assembly, the left end of the support frame 6 is fixedly connected to an exhaust fan 5 and a connecting rod 8, a plurality of connecting rods 8 are provided, and are evenly distributed around the exhaust fan 5, the circumferential surface of the connecting rod 8 is detachably connected to a first filter plate 4 through a connecting assembly, the first filter plate 4 and the second filter plate 13 are respectively located at the left and right ends of the ventilation duct 1, and the first filter plate 4 The mesh of the annular support plate 9 is larger than the mesh of the second filter plate 13. The left end surface of the annular support plate 9 is provided with four evenly distributed second plug holes 14. The interiors of the plurality of second plug holes 14 are all slidably connected with fixed blocks 7. The plurality of fixed blocks 7 are fixedly installed on the right end of the support frame 6. The front end surface of the fixed block 7 is provided with a first plug hole 3. The plug-in assembly is connected to the fixed block 7 through the first plug hole 3. When working, the exhaust fan 5 can make the outside air enter the subway along the ventilation duct 1 to achieve efficient ventilation of the subway. During the ventilation operation, the impurities contained in the wind can be preliminarily filtered by the first filter plate 4, and then filtered for the second time by the second filter plate 13. Finally, the wind entering the subway contains less impurities. In addition, under the action of the first filter plate 4, it can also protect the exhaust fan 5.

[0027] The plug-in assembly includes a support plate 12, a rotating shaft 23, a disc 18, a fixed shaft 20, a connecting rod 19, an insert block 15, a fixed frame 17 and a guide rail 16. The inner wall of the ventilation duct 1 is fixedly connected to the support plate 12, the interior of the support plate 12 is rotatably connected to the rotating shaft 23, the left end of the rotating shaft 23 is fixedly connected to the disc 18, the left end of the disc 18 is fixedly connected to four evenly distributed fixed shafts 20, the circumferential surface of the fixed shaft 20 is rotatably connected to the connecting rod 19, the interior of the annular support plate 9 is fixedly connected to the fixed frame 17, the interior of the fixed frame 17 is fixedly connected to the guide rail 16, the outer surface of the guide rail 16 is slidably connected to the insert block 15, the insert block 15 extends into the annular support plate 9 and is slidably connected to the annular support plate 9, and the insert block 15 is connected to the fixed block 7 through the first socket 3. When working, by the action of the plug-in assembly, the support frame 6 can be quickly and conveniently detached from the left end of the annular support plate 9, thereby conveniently driving the exhaust fan 5 and the first filter plate 4 to be removed from the ventilation duct 1, so as to facilitate the subsequent separate cleaning of the exhaust fan 5. In specific operation, the driving assembly can drive the rotating shaft 23 to rotate, thereby driving the disc 18 to rotate. At this time, with the cooperation of the fixed shaft 20, the connecting rod 19 is driven to rotate and move, thereby pulling the plug block 15 along the first plug hole 3 gradually to move away from the fixed block 7, until the plug block 15 is completely separated from the fixed block 7, the first filter plate 4 can be pulled to the left. At this time, with the cooperation of the connecting rod 8, the support frame 6 and the exhaust fan 5 can be driven to move left, so that the fixed block 7 is gradually separated from the second plug hole 14, until the support frame 6 is completely separated from the ventilation duct 1, the disassembly work of the support frame 6 and the exhaust fan 5 is realized, and then the outer surface of the exhaust fan 5 is conveniently cleaned.

[0028] Furthermore, the circumferential surface of the ventilation duct 1 is fixedly connected with a mounting plate 2, and a plurality of threaded holes are provided on the left end surface of the mounting plate 2. During operation, the ventilation duct 1 is conveniently fixedly installed in the subway under the cooperation between the mounting plate 2 and the threaded holes.

[0029] Furthermore, the connection assembly includes a nut and a stopper, the circumferential surfaces of the plurality of connection rods 8 are fixedly connected with the stopper, the circumferential surfaces of the plurality of connection rods 8 are threadedly connected with the stopper, and the first filter plate 4 is located between the nut and the stopper. During operation, after the nut is removed along the connection rod 8, it is convenient to detach the first filter plate 4 from the upper portion of the connection plate, so as to clean the first filter plate 4 separately.

[0030] Furthermore, a handle is fixedly connected to the left end of the first filter plate 4, and the handle is located at the center of the left side of the first filter plate 4. During operation, when the plug block 15 in the plug assembly is separated from the fixed block 7, the handle can be pulled to drive the first filter plate 4 to move away from the ventilation duct 1. At this time, with the cooperation of the connecting rod 8, the support frame 6 and the exhaust fan 5 can be driven to gradually move away from the ventilation duct 1, so as to realize the function of disassembling the exhaust fan 5 and the support frame 6.

[0031] Further, the driving assembly includes a self-locking motor 10, a rotating rod 11, a first bevel gear 21 and a second bevel gear 22. The circumferential surface of the ventilation duct 1 is fixedly connected with the self-locking motor 10, the output shaft end of the self-locking motor 10 is fixedly connected with the rotating rod 11, the rotating rod 11 extends downward into the ventilation duct 1 and is rotatably connected with the ventilation duct 1, the bottom end of the rotating rod 11 is fixedly connected with the first bevel gear 21, the circumferential surface of the rotating shaft 23 is fixedly connected with the second bevel gear 22, the second bevel gear 22 is meshed with the first bevel gear 21, the right end of the support plate 12 is fixedly connected with the bearing seat, the rotating rod 11 passes through the bearing seat and is rotatably connected with the bearing seat. When working, the operation of the self-locking motor 10 can drive the rotating rod 11 to rotate, and then drive the first bevel gear 21 to rotate. At this time, with the cooperation of the second bevel gear 22, the rotating shaft 23 can be driven to rotate, so the driving assembly can provide power for the rotating shaft 23 to rotate.

[0032] Furthermore, the central axis of the fixed shaft 20 does not coincide with the central axis of the disk 18, and the fixed shaft 20 is located at the edge of the disk 18. During operation, as the disk 18 rotates, the fixed shaft 20 and the connecting rod 19 cooperate to drive the plug block 15 to reciprocate along the guide rail 16, so as to realize the connection or separation between the plug block 15 and the fixed block 7.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ventilation device for rail transit, comprising a ventilation duct (1), characterized in that: The ventilation duct (1) is internally fixedly connected with an annular support plate (9) and a second filter plate (13), and the second filter plate (13) is located at the right end of the annular support plate (9). The right end of the annular support plate (9) is installed with a plug assembly. The ventilation duct (1) is internally installed with a drive assembly, and the drive assembly is connected to the plug assembly. The left end of the annular support plate (9) is detachably connected with a support frame (6) through the plug assembly. The left end of the support frame (6) is fixedly connected with an exhaust fan (5) and a connecting rod (8). A plurality of connecting rods (8) are provided and are evenly distributed around the exhaust fan (5). The circumference of the connecting rod (8) is The peripheral surface is detachably connected with a first filter plate (4) through a connecting assembly, the first filter plate (4) and the second filter plate (13) are respectively located at the left and right ends of the ventilation duct (1), and the mesh of the first filter plate (4) is larger than the mesh of the second filter plate (13), the left end surface of the annular support plate (9) is provided with four evenly distributed second plug holes (14), the interiors of the plurality of second plug holes (14) are all slidably connected with a fixed block (7), the plurality of fixed blocks (7) are all fixedly installed on the right end of the support frame (6), the front end surface of the fixed block (7) is provided with a first plug hole (3), and the plug-in assembly is connected to the fixed block (7) through the first plug hole (3); The plug-in assembly comprises a support plate (12), a rotating shaft (23), a disc (18), a fixed shaft (20), a connecting rod (19), an insert block (15), a fixed frame (17) and a guide rail (16); the inner wall of the ventilation duct (1) is fixedly connected to the support plate (12); the interior of the support plate (12) is rotatably connected to the rotating shaft (23); the left end of the rotating shaft (23) is fixedly connected to the disc (18); the left end of the disc (18) is fixedly connected to four evenly distributed fixed shafts ( 20), the circumferential surface of the fixed shaft (20) is rotatably connected to a connecting rod (19), the interior of the annular support plate (9) is fixedly connected to a fixing frame (17), the interior of the fixing frame (17) is fixedly connected to a guide rail (16), the outer surface of the guide rail (16) is slidably connected to an insert block (15), the insert block (15) extends into the annular support plate (9) and is slidably connected to the annular support plate (9), and the insert block (15) is connected to the fixing block (7) through a first plug hole (3).

2. A rail transit ventilation device according to claim 1, characterized in that: A mounting plate (2) is fixedly connected to the circumferential surface of the ventilation duct (1), and a plurality of threaded holes are provided on the left end surface of the mounting plate (2).

3. A rail transit ventilation device according to claim 1, characterized in that: The connection assembly comprises a nut and a stopper, the circumferential surfaces of the plurality of connection rods (8) are fixedly connected to the stopper, the circumferential surfaces of the plurality of connection rods (8) are threadedly connected to the stopper, and the first filter plate (4) is located between the nut and the stopper.

4. A rail transit ventilation device according to claim 1, characterized in that: A handle is fixedly connected to the left end of the first filter plate (4), and the handle is located at the center of the left side of the first filter plate (4).

5. The rail transit ventilation device according to claim 1, characterized in that: The driving assembly comprises a self-locking motor (10), a rotating rod (11), a first bevel gear (21) and a second bevel gear (22); the self-locking motor (10) is fixedly connected to the circumferential surface of the ventilation duct (1); the output shaft end of the self-locking motor (10) is fixedly connected to the rotating rod (11); the rotating rod (11) extends downward into the ventilation duct (1) and is rotatably connected to the ventilation duct (1); the bottom end of the rotating rod (11) is fixedly connected to the first bevel gear (21); the circumferential surface of the rotating shaft (23) is fixedly connected to the second bevel gear (22); the second bevel gear (22) meshes with the first bevel gear (21); the right end of the support plate (12) is fixedly connected to a bearing seat; the rotating rod (11) passes through the bearing seat and is rotatably connected to the bearing seat.

6. A rail transit ventilation device according to claim 5, characterized in that: The central axis of the fixed shaft (20) does not coincide with the central axis of the disk (18), and the fixed shaft (20) is located at the edge of the disk (18).

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