CN115574418A - Ventilation device for rail transit tunnel - Google Patents

Abstract

The invention discloses a ventilation device for a rail transit tunnel, which comprises a tunnel main body, wherein filter bins are arranged on two sides of the top of the tunnel main body, filter pipes are arranged on one sides, which are far away from the tops of the two groups of filter bins, filter screens are arranged on the tops of the inner sides of the two groups of filter pipes, air inlet pipes communicated with the filter bins are arranged on the tops of two sides of the inner side of the tunnel main body, and exhaust pipes are arranged in the middle of the top of the inner side of the tunnel main body; according to the invention, through the mutual matching of the rotary rod, the gear, the rack, the piston, the push rod, the alarm, the electric contact block, the spring, the brush and the sleeve, when the filter screen is blocked, the internal airflow can form negative pressure to drive the piston to move towards one side so as to control the brush to automatically rotate to clean and dredge the filter screen, under the condition that additional driving force is not consumed, the automatic cleaning of the filter screen is realized, and the convenience in use of the device is improved.

Description

A ventilation device for rail transit tunnels

technical field

The invention relates to the technical field of tunnel ventilation, in particular to a ventilation device for rail transit tunnels.

Background technique

With the development of society and economy, rail transit has become popular in major cities. It is a common modern transportation system, which improves the speed and convenience of people's travel. In rail transit, tunnels are indispensable. The internal ventilation device, It is the necessary equipment to ensure the driving in the tunnel;

There are some problems in the existing ventilation device: 1. After the ventilation device is used for a certain period of time, the filter screen will be clogged. It is difficult for the existing device to automatically clean the filter screen when it is blocked, and it is not convenient to remind the staff to reduce In order to improve the convenience of use; 2. When the subway is running in the tunnel, it will drive the airflow to flow forward. When passing through the ventilation device, it will change the flow direction of the airflow in the exhaust pipe, so that the exhaust fan is in a negative pressure state, causing damage to it and affecting 3. Since the tunnel is usually located underground, the inside of the tunnel has high humidity, and the dehumidification effect of the device on the tunnel is poor, resulting in heavy moisture in the tunnel.

Contents of the invention

The purpose of the present invention is to provide a ventilation device for rail transit tunnels, to solve the existing problems in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a ventilation device for rail transit tunnels, including a tunnel body, filter bins are arranged on both sides of the top of the tunnel body, and two groups of filter bin tops are far away from each other. Filter pipes are arranged on the side, and filter screens are arranged on the inner tops of the two groups of filter pipes. The tops on both sides of the inner sides of the tunnel body are provided with air inlet pipes communicating with the filter chambers. The middle part of the inner top of the tunnel body is An exhaust pipe is provided, and the inside top of the tunnel main body is provided with adjusting pipes connected with the exhaust pipe on both sides near the exhaust pipe. The middle part of the top of the tunnel main body is provided with an exhaust assembly. The top of the tunnel is provided with a moisture-absorbing board, and the two groups of moisture-absorbing boards are evenly provided with multiple sets of arc-shaped air guide grooves on the side away from each other. The bottom of one side is provided with an automatic cleaning component.

Preferably, the exhaust assembly bevel gear A, motor, bevel gear B, rotating rod, rotating shaft, exhaust fan and exhaust fan, the motor is located in the middle of the top of the tunnel main body, the output end of the motor is provided with a rotating shaft, and the rotating shaft The bottom of the bottom extends to the inside of the exhaust pipe and is provided with an exhaust fan. The top of the outer side of the rotating shaft is provided with a bevel gear A. The two groups of filter bins are equipped with rotating rods on the side close to each other, and the rotating rods of the two groups are far away from each other. An exhaust fan is arranged on one side, and a bevel gear B meshed with the bevel gear A is arranged on the side close to the two groups of rotating rods, which can simultaneously control the operation of the exhaust fan and the exhaust fan.

Preferably, the intelligent detector, fan blade, electric push rod and baffle of the protective assembly, the intelligent detector is located on one side of the inner top of the tunnel main body, and the bottom of the inner side of the two groups of adjustment tubes is provided with Electric push rods, the output ends of the two groups of electric push rods are provided with baffles that match the exhaust pipes, and the outer sides of the output ends of the two groups of electric push rods are provided with two sets of fan blades, which can be used when the subway arrives. Automatically closes the exhaust duct.

Preferably, the automatic cleaning assembly rotary rod, gear, rack, piston, push rod, alarm, electric contact block, spring, brush and sleeve, the sleeve is located on the side away from the two groups of filter chambers At the bottom, a push rod is set in the middle of the two sets of sleeves on the side far away from each other, and a piston matching the sleeve is set on the side close to the two sets of push rods. The side sleeve is provided with a rotating rod, the top of the two groups of rotating rods is provided with a brush that matches the filter screen, the bottom of the outer side of the two groups of rotating rods is provided with a gear, and the two groups of pistons are provided on one side close to each other. A rack meshed with a gear, an alarm is provided on the side away from the two groups of push rods, a spring is sheathed on the outside of the two groups of push rods, and the sleeve and the top of the electric contact block are close to each other Equipped with a matching electric contact block, it can automatically clean the filter screen.

Preferably, an installation groove is provided on the outside of the filter tube, and a collection box is arranged at the bottom inside the installation groove, so as to facilitate centralized collection of dust.

Preferably, the bottom of one side of the regulating tube is provided with a storage groove matching with the fan blade, the electric push rod is located inside the storage groove, and one side of the baffle is provided with a baffle matching with the storage groove , the fan blades can be retracted to prevent the air from being affected by the device.

Preferably, the adjacent sides of the two groups of baffles are respectively provided with slots and blocks, so as to improve the sealing performance after the baffles are engaged.

Preferably, the filter screen is made of a spherical structure, the brush is made of an arc-shaped structure, and the brush is attached to the filter screen to guide the dust to the outside to facilitate cleaning of the filter screen.

Compared with the prior art, the beneficial effects of the present invention are: the ventilation device for rail transit tunnels;

1. Through the mutual cooperation between the rotary rod, gear, rack, piston, push rod, alarm, electric contact block, spring, brush and sleeve, the internal air flow of the device can form a negative pressure when the filter is blocked , to drive the piston to move to one side to control the automatic rotation of the brush to clean and dredge the filter screen. Without consuming extra driving force, the automatic cleaning of the filter screen is realized, and the convenience of the device is improved. If When the filter cannot be dredged, the alarm can be automatically activated to give an alarm to remind the staff, which improves the convenience of the staff when maintaining the equipment;

2. Through the mutual cooperation between the intelligent detector, the fan blade, the electric push rod and the baffle, the device can detect the subway through the intelligent detector. When the subway is about to pass the device, the exhaust pipe can be automatically closed to come Protecting the exhaust fan can prevent the airflow from damaging it. At the same time, the regulating tube can be connected to the main body of the tunnel. At this time, the airflow driven by the subway can draw the outside air into the main body of the tunnel to improve the ventilation effect of the device;

3. Through the mutual cooperation between the moisture-absorbing board and the arc-shaped air guide groove, the device can absorb the moisture in the tunnel body through the moisture-absorbing board. When the airflow enters the tunnel body, it can blow to the surface of the moisture-absorbing board. The circulation in the air guide groove takes away the moisture absorbed by the moisture-absorbing board, so that it can be kept in a dry state, and the dehumidification effect on the main body of the tunnel is improved.

Description of drawings

Fig. 1 is a front sectional view of the present invention;

Fig. 2 is the enlarged schematic diagram of the structure at A place of Fig. 1 of the present invention;

Fig. 3 is the enlarged schematic diagram of the structure at B place of Fig. 1 of the present invention;

FIG. 4 is an enlarged schematic diagram of the structure at C in FIG. 1 of the present invention.

In the figure: 1. Tunnel main body; 2. Hygroscopic board; 3. Air inlet pipe; 4. Filter chamber; 5. Exhaust pipe; 6. Bevel gear A; 7. Motor; 8. Bevel gear B; 9. Rotary rod 10, rotating shaft; 11, exhaust fan; 12, exhaust fan; 13, rotary rod; 14, gear; 15, rack; 16, piston; 17, push rod; 18, siren; 19, electric contact block; 20, Spring; 21, filter tube; 22, brush; 23, filter screen; 24, intelligent detector; 25, arc-shaped air guide groove; 26, fan blade; 27, electric push rod; Plate; 30, sleeve.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-4, the embodiment provided by the present invention: a kind of ventilation device that is used for rail transit tunnel, comprises tunnel main body 1, and the two sides of the top of tunnel main body 1 are provided with filter chamber 4, and two groups of filter chamber 4 tops are far away from each other A filter tube 21 is arranged on one side of the filter tube 21, and an installation groove is arranged on the outside of the filter tube 21, and a collection box is arranged at the bottom inside the installation groove, so as to facilitate centralized collection of dust. , the filter screen 23 is made of a spherical structure, and the brush 22 is made of an arc-shaped structure, and the brush 22 is attached to the filter screen 23, which can guide the dust to the outside and facilitate the cleaning of the filter screen 23. The top of the inner side of the main body 1 is provided with an air inlet pipe 3 connected with the filter chamber 4, the middle part of the inner top of the tunnel main body 1 is provided with an exhaust pipe 5, and the inner top of the tunnel main body 1 is arranged on both sides of the exhaust pipe 5 There is a regulating pipe 28 connected with the exhaust pipe 5, the bottom of one side of the regulating pipe 28 is provided with a storage groove matched with the fan blade 26, the electric push rod 27 is located inside the storage groove, and one side of the baffle plate 29 is provided with The baffle matched with the storage slot can store the fan blades 26 to prevent the air from being affected by the device. The middle part of the top of the tunnel main body 1 is provided with an exhaust assembly;

The exhaust assembly bevel gear A6, motor 7, bevel gear B8, rotating rod 9, rotating shaft 10, exhaust fan 11 and exhaust fan 12, the motor 7 is located in the middle of the top of the tunnel main body 1, the output end of the motor 7 is provided with a rotating shaft 10, and the rotating shaft 10 The bottom extends to the inner side of the exhaust pipe 5 and is provided with an exhaust fan 11, the top of the outer side of the rotating shaft 10 is provided with a bevel gear A6, and the two groups of filter chambers 4 are provided with a rotating rod 9 on one side close to each other, and the two groups of rotating rods 9 are far away from one side. An exhaust fan 12 is arranged on the side, and a bevel gear B8 meshing with the bevel gear A6 is arranged on one side of the two groups of rotating rods 9, which can simultaneously control the operation of the exhaust fan 11 and the exhaust fan 12. The moisture-absorbing board 2, two groups of moisture-absorbing boards 2 are evenly provided with multiple groups of arc-shaped air guide grooves 25 on the side away from each other, and the side of the inner top of the tunnel main body 1 is provided with a protective component;

Protective components intelligent detector 24, fan blade 26, electric push rod 27 and baffle plate 29, intelligent detector 24 is located on the side of the inner top of the tunnel main body 1, and the bottom of the inner side of the two groups of adjustment tubes 28 is provided with an electric push rod. Rod 27, the output end of two groups of electric push rods 27 is provided with the baffle plate 29 that cooperates with exhaust pipe 5, and two groups of baffle plates 29 are provided with card groove and block respectively on the side close to each other, and the lifting baffle plate 29 engages To improve the sealing performance, two sets of fan blades 26 are set on the outer sides of the output ends of the two sets of electric push rods 27. When the subway arrives, the exhaust pipe 5 can be automatically closed. Automatic cleaning of components;

Automatic cleaning assembly rotary rod 13, gear 14, rack 15, piston 16, push rod 17, alarm 18, electric contact block 19, spring 20, brush 22 and sleeve 30, the sleeve 30 is located in two groups of filter bins 4 The bottom of the two sets of sleeves 30 are set with push rods 17 in the middle of the side far away from each other. The side of the two sets of push rods 17 close to each other is provided with pistons 16 that match the sleeves 30. The two sets of filter chambers 4 One side of the inner bottom is provided with a rotary rod 13, the top of the two groups of rotary rods 13 is provided with a brush 22 matched with the filter screen 23, the bottom of the outer side of the two groups of rotary rods 13 is provided with a gear 14, and two groups of pistons 16 A rack 15 meshing with the gear 14 is arranged on the side close to it, and an alarm 18 is arranged on the far side of the two groups of push rods 17, and the outer sides of the two groups of push rods 17 are provided with springs 20, sleeves 30 and electric contacts. A matching electric contact block 19 is provided on the top of one side of the block 19, which can automatically clean the filter screen 23.

Working principle: when the device is in use, the motor 7 is first started, and the motor 7 can drive the rotating shaft 10 to rotate to control the rotation of the exhaust fan 11, and the air in the tunnel main body 1 is directed outward by the exhaust pipe 5 and the regulating pipe 28 At the same time, the rotating shaft 10 can drive the meshing bevel gear B8 to rotate through the bevel gear A6, and then the bevel gear B8 drives the rotating rod 9 to control the rotation of the exhaust fan 12, and the outside air is filtered by the filter screen 23 and then passed through the air intake. The diversion of the pipe 3 enters the tunnel main body 1 to complete the ventilation of the tunnel. The moisture in the tunnel main body 1 can be absorbed by the moisture-absorbing board 2. When the air enters the tunnel main body 1 through the air inlet pipe 3, it can be blown to the moisture-absorbing board. 2, and through the guide of the arc-shaped air guide groove 25, the airflow can circulate inside the moisture-absorbing panel 2, fully take away the moisture absorbed by the moisture-absorbing panel 2, and ensure that the moisture-absorbing panel 2 can continue to absorb moisture;

When the filter screen 23 was clogged, because the exhaust fan 12 continuously pumped air, the filter chamber 4 could be in a negative pressure state. When moving, the gear 14 is driven by the rack 15 to rotate, and then the gear 14 is used to drive the rotary rod 13 to control the brush 22 to brush the surface of the filter screen 23 to remove dust, so that the filter screen 23 is dredged and brushed. The dust can fall into the collection box for collection, which is convenient for centralized cleaning. When the filter screen 23 is dredged, the elastic restoring force of the spring 20 can be used to move the piston 16 to reset, and when the filter screen 23 fails to be dredged, the push rod 17 can drive The alarm 18 not only moves to one side, but when the two sets of electric contact blocks 19 are in contact, the alarm 18 can be automatically activated to give an alarm and remind the staff;

When the intelligent detector 24 detects that the subway is about to pass through the device, it can automatically start the electric push rod 27, and the motor 7 is closed, and the electric push rod 27 can promote the baffle plate 29 to stretch into the exhaust pipe 5, so that two groups of baffle plates 29 are spliced together to block the exhaust pipe 5. At this time, the fan blade 26 can be stretched into the regulating pipe 28. When the subway passes under the device, the air flow driven by the regulating pipe 28 can draw the outside air. into the tunnel main body 1 to improve the ventilation effect, and when the airflow enters, it can drive the fan blades 26 to rotate to increase the flow speed of the airflow. After the subway passes by, the baffle 29 can be controlled to open, and the motor 7 can be started to run, which improves the performance of the device. protective effect.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" , "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be A mechanical connection can also be an electrical connection; it can be a direct connection or an indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Claims (8)

1. A ventilation device for rail transit tunnels, comprising a tunnel body (1), characterized in that: the tunnel comprises a tunnel main body (1) and is characterized in that filter bins (4) are arranged on two sides of the top of the tunnel main body (1), two filter pipes (21) are arranged on one side, away from the top of each filter bin (4), two filter screens (23) are arranged on the top of the inner side of each filter pipe (21), air inlet pipes (3) communicated with the filter bins (4) are arranged on the tops of the inner sides of the tunnel main body (1), exhaust pipes (5) are arranged in the middle of the inner side of the tunnel main body (1), adjusting pipes (28) communicated with the exhaust pipes (5) are arranged on two sides, close to the exhaust pipes (5), of the inner side of the tunnel main body (1), air draft assemblies are arranged in the middle of the top of the tunnel main body (1), moisture absorption plates (2) are arranged on the tops of the inner side of the tunnel main body (1), a plurality of arc-shaped air guide grooves (25) are uniformly arranged on one side, a protection assembly is arranged on one side, and two automatic cleaning assemblies are arranged on the bottoms, away from one side of the filter bins (4).

2. A ventilation device for a rail transit tunnel according to claim 1, characterized in that: convulsions subassembly bevel gear A (6), motor (7), bevel gear B (8), bull stick (9), pivot (10), exhaust fan (11) and suction fan (12), motor (7) are located the middle part at tunnel main part (1) top, the output of motor (7) is provided with pivot (10), the bottom of pivot (10) extends to the inboard of exhaust pipe (5) and is provided with exhaust fan (11), the top in pivot (10) outside is provided with bevel gear A (6), and is two sets of it is equipped with bull stick (9) to cross filter storehouse (4) and be close to one side cover mutually, and is two sets of one side is kept away from mutually in bull stick (9) is provided with suction fan (12), and is two sets of bull stick (9) are close to one side mutually and are provided with bevel gear B (8) with bevel gear A (6) looks meshing.

3. A ventilation device for a rail transit tunnel according to claim 1, characterized in that: protection component intellectual detection system ware (24), flabellum (26), electric putter (27) and baffle (29), intellectual detection system ware (24) are located one side at tunnel main part (1) inboard top, and are two sets of the bottom of keeping away from one side mutually of regulating duct (28) inboard is provided with electric putter (27), and is two sets of electric putter's (27) output is provided with baffle (29) with exhaust pipe (5) matched with, and is two sets of the outside cover of electric putter (27) output is equipped with two sets of flabellums (26).

4. A ventilation device for a rail transit tunnel according to claim 1, characterized in that: automatic clearance subassembly swing arm (13), gear (14), rack (15), piston (16), push rod (17), siren (18), electric touch multitouch (19), spring (20), brush (22) and sleeve (30), sleeve (30) are located two sets of filtration storehouse (4) and keep away from the bottom of one side mutually, and are two sets of sleeve (30) keep away from the middle part cover of one side mutually and are equipped with push rod (17), and are two sets of push rod (17) are close to one side mutually and are provided with sleeve (30) matched with piston (16), and are two sets of one side cover of filtering storehouse (4) inside bottom is equipped with swing arm (13), and is two sets of the top of swing arm (13) is provided with brush (22) with filter screen (23) matched with, and is two sets of the bottom in the swing arm (13) outside is provided with gear (14), and is two sets of piston (16) are close to one side mutually and are provided with gear (14) engaged with rack (15), and are two sets of one side is provided with siren (18) are kept away from push rod (17) mutually, and are two sets of push rod (17) keep away from one side mutually and are equipped with siren (18), and are two sets of the outside cover of push rod (17) is equipped with spring (20), sleeve (30) and electric touch multitouch (19) are close to one side mutually.

5. A ventilation device for a rail transit tunnel according to claim 1, characterized in that: the outside of filter tube (21) is provided with the mounting groove, and the inboard bottom of mounting groove is provided with collects the box.

6. A ventilation device for a rail transit tunnel according to claim 3, characterized in that: the bottom of adjusting pipe (28) one side is provided with and accomodates the groove with flabellum (26) matched with, electric putter (27) are located the inboard of accomodating the groove, one side of baffle (29) is provided with and accomodates groove matched with baffle.

7. A ventilation device for a rail transit tunnel according to claim 3, characterized in that: and clamping grooves and clamping blocks are respectively arranged on one sides, close to the two groups of baffles (29).

8. A ventilation device for a rail transit tunnel according to claim 4, characterized in that: the filter screen (23) is made by the sphere shape structure, brush (22) is made by the arc structure, and brush (22) and filter screen (23) laminate mutually.

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