CN216342280U

CN216342280U - Subway shaft ventilation unit

Info

Publication number: CN216342280U
Application number: CN202122833127.XU
Authority: CN
Inventors: 王娇龙; 杨义; 吴金威; 卢海宁; 彭炫; 周泓; 刘凯; 张兴海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-19
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a ventilation device for a subway vertical shaft, and relates to the technical field of ventilation devices. The utility model provides a subway shaft ventilation unit, including the mounting panel, the inside that is located the left side mounting groove is provided with axial fan for the air supply, and the inside that is located the right side mounting groove is provided with axial fan for convulsions, second holding tank and first holding tank have all been seted up to the inside of every mounting groove, the even fixed mounting in inboard of first holding tank has a plurality of springs, the first connecting plate of the common fixedly connected with of one end of a plurality of springs, the equal fixed mounting in both sides of mounting panel has two electric telescopic handle with second holding tank intercommunication, the common fixedly connected with second connecting plate of output of two electric telescopic handle, the equal symmetrical fixed mounting of opposite face of second connecting plate and first connecting plate has the clamp. The utility model provides a ventilation device for a subway vertical shaft, which solves the technical problems that an over-the-ground axial flow fan is adopted to supply air downwards in the conventional ventilation device for the subway vertical shaft, the function is single, and the practicability is poor.

Description

Subway shaft ventilation unit

Technical Field

The utility model relates to the technical field of ventilation devices, in particular to a ventilation device for a subway vertical shaft.

Background

The shaft, the shaft-like pipe with vertical wall, is called shaft and is actually a kind of collapse funnel. The plane outline is square, long strip or irregular round. The strips develop along one set of joints, and the squares or circles develop along two sets of joints. The well wall is steep and nearly vertical, and the water surface of the underground river can be seen from the vertical shaft downwards sometimes.

The conventional subway vertical shaft ventilation device usually adopts an aboveground axial flow fan to supply air downwards, and has single function and poor practicability; and current subway shaft ventilation unit lacks filter equipment when using, and the axial fan is easily polluted to the dust, pollutes the outside air. Therefore, there is a need to provide a ventilation device for a subway shaft to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ventilation device for a subway vertical shaft, which solves the problems that the conventional ventilation device for the subway vertical shaft usually adopts an aboveground axial flow fan to supply air downwards, has single function and poor practicability; and current subway shaft ventilation unit lacks filter equipment when using, and the axial fan is easily polluted to the dust, pollutes the technical problem of outside air.

In order to solve the technical problem, the ventilation device for the subway shaft comprises a mounting plate, wherein mounting grooves are symmetrically formed in the upper surface of the mounting plate, an axial flow fan for air supply is arranged inside the mounting groove on the left side, an axial flow fan for air suction is arranged inside the mounting groove on the right side, a second accommodating groove and a first accommodating groove are formed in each mounting groove, a plurality of springs are uniformly and fixedly mounted on the inner side of the first accommodating groove, one ends of the springs are fixedly connected with a first connecting plate together, two electric telescopic rods communicated with the second accommodating grooves are fixedly mounted on the two sides of the mounting plate respectively, second connecting plates are fixedly connected to the output ends of the two electric telescopic rods together, and clamps are symmetrically and fixedly mounted on opposite surfaces of the second connecting plates and the first connecting plates.

Preferably, the axial flow fan for convulsions and the axial flow fan for the air supply all are located the inside of clamp, the clamp is the arc structure.

Preferably, the spread groove has all been seted up to the both sides of mounting panel, just the apron has been placed to the upper surface of mounting panel, the lower surface symmetry fixed mounting of apron has the connecting block of pegging graft with the spread groove.

Preferably, the bottom of mounting panel fixedly connected with respectively and mounting groove intercommunication air-supply line and play tuber pipe, the air-supply line is located the below of axial fan for the air supply, it is located the below of axial fan for convulsions to go out the tuber pipe.

Preferably, the outer side of the air outlet pipe is rotatably connected with a shell, the inner sides of the shell and the air outlet pipe are provided with grooves, and the inner parts of the two grooves are provided with filter screens together.

Preferably, the outside fixed mounting of air-out pipe has the plug ring, the outside fixed mounting of casing has the fixed block, the rear surface fixed mounting of fixed block has the plug connector that runs through the plug ring.

Preferably, the plug connector is of an L-shaped structure, and is made of an elastic steel sheet.

Compared with the related art, the subway vertical shaft ventilation device provided by the utility model has the following beneficial effects:

1. the utility model provides a ventilation device for a subway shaft, which is provided with an axial flow fan for air draft and an axial flow fan for air supply, so that circulation is formed, the practicability is improved, and meanwhile, the axial flow fan for air draft and the axial flow fan for air supply are fixed under the matching action of a spring, a first connecting plate, a second connecting plate, an electric telescopic rod and a clamp, so that the axial flow fan for air draft and the axial flow fan for air supply are convenient to disassemble and assemble, the maintenance is convenient, and the problems that the existing ventilation device for the subway shaft adopts an on-board axial flow fan to supply air downwards, the function is single, and the practicability is poor are solved.

2. The utility model provides a ventilation device for a subway vertical shaft, which is provided with a filter screen, wherein the filter screen is elastically bent by pulling a plug connector, so that the filter screen is drawn out from the inside of a plug ring, a shell is opened, the filter screen is convenient to detach and detach for cleaning, the ventilation effect is not influenced, and the problems that an existing ventilation device for the subway vertical shaft is lack of a filter device, dust easily pollutes an axial flow fan and external air are polluted are solved.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a ventilation apparatus for a subway shaft according to the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the connection structure of the housing and the air outlet pipe according to the present invention;

FIG. 4 is a top view of the second web of the present invention connected to a clamp.

Reference numbers in the figures: 1. mounting a plate; 2. a cover plate; 3. connecting grooves; 4. connecting blocks; 5. an electric telescopic rod; 6. an air inlet pipe; 7. a first connecting plate; 8. an air outlet pipe; 9. a housing; 10. a fixed block; 11. mounting grooves; 12. a second accommodating groove; 13. clamping a hoop; 14. an axial flow fan for air draft; 15. a first accommodating groove; 16. a spring; 17. an axial flow fan for air supply; 18. a second connecting plate; 19. a groove; 20. a filter screen; 21. a plug-in ring; 22. and (7) a plug connector.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, the present invention provides a technical solution: a subway shaft ventilation device comprises a mounting plate 1, wherein the upper surface of the mounting plate 1 is symmetrically provided with a mounting groove 11, an air supply axial flow fan 17 is arranged inside the mounting groove 11 on the left side, an air draft axial flow fan 14 is arranged inside the mounting groove 11 on the right side, a second accommodating groove 12 and a first accommodating groove 15 are arranged inside each mounting groove 11, a plurality of springs 16 are uniformly and fixedly arranged inside the first accommodating grooves 15, one ends of the springs 16 are fixedly connected with a first connecting plate 7 together, two electric telescopic rods 5 communicated with the second accommodating grooves 12 are fixedly arranged on both sides of the mounting plate 1, the output ends of the two electric telescopic rods 5 are fixedly connected with a second connecting plate 18 together, the opposite surfaces of the second connecting plate 18 and the first connecting plate 7 are symmetrically and fixedly provided with clamping hoops 13, and the air draft axial flow fan 14 and the air supply axial flow fan 17 are positioned inside the clamping hoops 13, the clamp 13 is the arc structure, and spread groove 3 has all been seted up to the both sides of mounting panel 1, and the upper surface of mounting panel 1 has placed apron 2, and the lower surface symmetry fixed mounting of apron 2 has connecting block 4 with 3 pegs graft of spread groove.

In this embodiment, be provided with axial fan 14 for convulsions and axial fan 17 for the air supply, the formation circulation, improve the practicality, axial fan 14 for convulsions simultaneously and axial fan 17 for the air supply are all fixed under spring 16, first connecting plate 7, second connecting plate 18, electric telescopic handle 5 and clamp 13's mating reaction, thereby make things convenient for axial fan 14 for the convulsions of dismouting and axial fan 17 for the air supply, easy access has solved current subway shaft ventilation unit and has adopted axial fan down to supply air on the well usually, the function is single, the relatively poor problem of practicality.

Example two:

referring to fig. 1-4, on the basis of the first embodiment, the present invention provides a technical solution: the bottom of mounting panel 1 is fixedly connected with air-supply line 6 and the play tuber pipe 8 with mounting groove 11 intercommunication respectively, air-supply line 6 is located the below of axial fan 17 for the air supply, it is located the below of axial fan 14 for convulsions to go out tuber pipe 8, the outside of going out tuber pipe 8 is rotated and is connected with casing 9, casing 9 all sets up fluted 19 with the inboard of going out tuber pipe 8, two inside of recess 19 are provided with filter screen 20 jointly, the outside fixed mounting that goes out tuber pipe 8 has plug ring 21, casing 9's outside fixed mounting has fixed block 10, the rear surface fixed mounting of fixed block 10 has the plug connector 22 that runs through plug ring 21, plug connector 22 is "L" type structure, and plug connector 22 is made by the elasticity steel sheet.

In this embodiment, be provided with filter screen 20 to through pulling plug connector 22, make it take place elastic bending, realize taking it out from the inside of plug ring 21, and then open casing 9, be convenient for dismantle filter screen 20 down clean, can not influence ventilation effect, solved current subway shaft ventilation unit when using, lack filter equipment, the dust easily pollutes axial fan, pollutes the problem of outside air.

The working principle of the ventilation device for the vertical shaft of the subway provided by the utility model is as follows:

during the use, at first take off apron 2, the inside of spread groove 3 is broken away from to connecting block 4 rather than being connected, then start axial fan 14 for convulsions and axial fan 17 for the air supply, axial fan 17 for the air supply supplies air to the pit through air-supply line 6, and axial fan 14 carries out convulsions work through going out tuber pipe 8 for convulsions simultaneously, and filter screen 20 can filter the dust, avoids polluting axial fan 14 or contaminated air for the convulsions. When the axial flow fan 14 for air draft or the axial flow fan 17 for air supply needs to be detached, the electric telescopic rod 5 is firstly adjusted to drive the second connecting plate 18 connected with the electric telescopic rod to move to the inside of the second accommodating groove 12, then the first connecting plate 7 is pulled to compress the spring 16, and finally the axial flow fan 14 for air draft or the axial flow fan 17 for air supply is taken out from the inside of the hoop 13. When the filter screen 20 needs to be removed, the plug 22 is first pulled to be elastically bent, then the plug is pulled out from the inside of the plug ring 21, the housing 9 is opened, and finally the filter screen 20 is taken out from the inside of the groove 19.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A subway shaft ventilation unit, includes mounting panel (1), its characterized in that: the upper surface of the mounting plate (1) is symmetrically provided with mounting grooves (11), an axial flow fan (17) for air supply is arranged inside the mounting groove (11) on the left side, an axial flow fan (14) for air draft is arranged inside the mounting groove (11) on the right side, a second holding groove (12) and a first holding groove (15) are arranged inside each mounting groove (11), a plurality of springs (16) are uniformly and fixedly arranged on the inner side of the first accommodating groove (15), one end of each spring (16) is fixedly connected with a first connecting plate (7) together, two electric telescopic rods (5) communicated with the second accommodating groove (12) are fixedly arranged on both sides of the mounting plate (1), the output ends of the two electric telescopic rods (5) are fixedly connected with a second connecting plate (18) together, the opposite surfaces of the second connecting plate (18) and the first connecting plate (7) are symmetrically and fixedly provided with clamping hoops (13).

2. A shaft ventilation device for a subway according to claim 1, characterized in that said axial fan (14) for air draft and said axial fan (17) for air blast are both located inside a collar (13), said collar (13) being of an arc-shaped configuration.

3. A ventilation device for a subway shaft as claimed in claim 1, wherein said mounting plate (1) is provided with connecting slots (3) on both sides, and a cover plate (2) is placed on the upper surface of said mounting plate (1), and said cover plate (2) is symmetrically and fixedly provided with connecting blocks (4) inserted into said connecting slots (3) on the lower surface.

4. A subway shaft ventilation unit as claimed in claim 1, wherein the bottom of said mounting plate (1) is fixedly connected with an air inlet pipe (6) and an air outlet pipe (8) respectively, said air inlet pipe (6) being located under the axial fan (17) for blowing air, said air outlet pipe (8) being located under the axial fan (14) for draft.

5. A subway shaft ventilation device as claimed in claim 4, characterized in that the outside of said air outlet pipe (8) is rotatably connected with a casing (9), the insides of said casing (9) and air outlet pipe (8) are both provided with grooves (19), and the insides of both said grooves (19) are provided with a filter screen (20) together.

6. A subway shaft ventilation unit as claimed in claim 5, characterized in that said air outlet pipe (8) is fixedly mounted with an insertion ring (21) on the outside, said housing (9) is fixedly mounted with a fixed block (10) on the outside, said fixed block (10) is fixedly mounted with an insertion member (22) penetrating through the insertion ring (21) on the rear surface.

7. A subway shaft ventilation device as claimed in claim 6, characterized in that said plug (22) is of "L" type construction and said plug (22) is made of resilient steel sheet.