CN114852114A - Ventilating device for railway vehicle and using method thereof - Google Patents
Ventilating device for railway vehicle and using method thereof Download PDFInfo
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- CN114852114A CN114852114A CN202210562288.6A CN202210562288A CN114852114A CN 114852114 A CN114852114 A CN 114852114A CN 202210562288 A CN202210562288 A CN 202210562288A CN 114852114 A CN114852114 A CN 114852114A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention relates to the technical field of railway vehicles, in particular to a ventilation device for a railway vehicle, which comprises a ventilation pipe, wherein the inner wall of the ventilation pipe is rotatably connected with a wind outlet blade through a bearing, a cavity is arranged inside the ventilation pipe, one end of the wind outlet blade, which is positioned inside the cavity, is provided with a gear, the inner wall of the cavity is fixedly provided with a first hydraulic cylinder through a bolt, the output end of the first hydraulic cylinder is fixedly provided with a toothed plate through a bolt, the toothed plate is mutually meshed with the gear, the inner wall of the cavity is fixedly provided with a guide plate through a bolt, and the toothed plate is slidably connected to the outside of the guide plate. The invention has the beneficial effects that: start first pneumatic cylinder and drive the pinion rack and remove, can make pinion rack and gear engagement for the gear is beaten the air-out leaf and is turned, can adjust the wind direction of air inlet, has solved and can only directly blow to an orientation and lead to the problem that partial passenger bloied always, and the comfort level is better, and when the motor drove the lead screw and rotates and the slider screw thread, can make the slider drive the brush cleaner removal and clean the otter board.
Description
Technical Field
The invention relates to the technical field of rail vehicles, in particular to a ventilation device for a rail vehicle and a using method of the ventilation device.
Background
The rail vehicle refers to a type of transportation means that an operating vehicle needs to run on a specific rail, the most typical rail vehicle is a traditional train, and with the diversified development of trains and rail technologies, the rail vehicle is in more and more types, not only extends over long-distance land transportation, but also is widely applied to urban public transportation at medium and short distances, common rail vehicles include the traditional train, a subway, a light rail and a tramcar, and the rail vehicle needs to use a ventilation device.
Chinese patent No. CN215981354U provides a rail vehicle's ventilation unit includes first ventilation pipe and connects the second ventilation pipe at first ventilation pipe tip, the tip of first ventilation pipe is provided with a plurality of fixed block, the spout has been seted up between a plurality of fixed block, the tip of second ventilation pipe is provided with a plurality of connecting block, the connecting block can sliding connection in the spout, be provided with a plurality of locating component on the tip lateral wall of first ventilation pipe, locating component includes the shell, the locating lever and the cover that set up in the shell cavity are established at the spring on the locating lever, insert tentatively being connected first ventilation pipe and second ventilation pipe in the spout through the connecting block, the locating lever in the locating component can insert the position of the enterprising further fixed second ventilation pipe of connecting block this moment of rotation second ventilation pipe, and then link together first ventilation pipe and second ventilation pipe.
The existing ventilation device for the rail vehicle does not adjust the wind direction of inlet air, can only blow directly in one direction, so that part of passengers blow air all the time, and cannot clean the screen plate, and dust on the screen plate can influence the ventilation effect.
Disclosure of Invention
The invention aims to provide a ventilation device for a railway vehicle and a using method thereof, which aim to solve the problems that the prior art does not adjust the wind direction of the blown wind and cannot clean a screen plate.
The technical scheme of the invention is as follows: the utility model provides a ventilation unit for rail vehicle, includes the ventilation pipe, rotate through the bearing on the inner wall of ventilation pipe and be connected with out the fan blade, and the inside of ventilation pipe is provided with the cavity, the one end that the air-out fan blade is located the cavity inside is provided with the gear, there is first pneumatic cylinder through the bolt fastening on the inner wall of cavity, and has the pinion rack through the bolt fastening on the output of first pneumatic cylinder, pinion rack and gear intermeshing, there is the deflector through the bolt fastening on the inner wall of cavity, and pinion rack sliding connection is in the outside of deflector.
Furthermore, a top groove is formed in the top of the ventilation pipe, and a screen plate is fixed on the inner wall of the top groove through bolts.
Furthermore, the inner walls of the two sides of the top groove are provided with sliding grooves, the sliding grooves are connected with sliding blocks in a sliding mode, and the outer walls of the two seen sliding blocks are fixedly provided with cleaning brushes through bolts.
Furthermore, a motor is fixed on the inner wall of one of the sliding grooves through bolts, a screw rod is fixed on the output end of the motor through bolts, and the screw thread of the screw rod penetrates through the inside of the sliding block.
Furthermore, a second hydraulic cylinder is fixed on the inner wall of the bottom of the ventilation pipe through bolts, a lifting column is fixed on the output end of the second hydraulic cylinder through bolts, a water baffle is fixed at the top end of the lifting column through bolts, a guide groove is formed in the inner wall of the ventilation pipe, and guide blocks which are connected to the inner portion of the guide groove in a sliding mode are arranged on the outer walls of the two sides of the lifting column.
Further, be provided with sealed the pad on the outer wall at ventilation pipe top, and seted up the seal groove on the outer wall of breakwater bottom, sealed inside at the seal groove of pad joint.
Furthermore, a slot is formed in the outer wall of one side of the ventilation pipe, a filter frame is inserted into the slot, and a filter screen and an activated carbon layer are respectively arranged on the inner wall of the filter frame.
Further, a movable groove is formed in the filtering frame, a fixed block is connected to the inside of the movable groove in a sliding mode, a fixed groove is formed in the inner wall of the inserting groove, the fixed block is inserted into the fixed groove in an inserting mode, a push block is arranged on the outer wall of one side of the fixed block, and a spring connected with the fixed block is arranged on the inner wall of the movable groove.
Furthermore, a blower is fixed on the inner wall of the ventilation pipe close to the fan blade through a bolt, and an exhaust fan is fixed on the inner wall of the ventilation pipe far away from the other side of the air outlet machine through a bolt.
A method of using a ventilation device for a rail vehicle, comprising the steps of:
s1: starting a blower to suck air at the top of the ventilation pipe into the ventilation pipe, and blowing the air into the vehicle through the screen plate, the filter screen and the activated carbon layer;
s2: the first hydraulic cylinder is started to drive the toothed plate to move, so that the toothed plate is meshed with the gear, the gear can drive the fan blades to turn, and the wind direction of inlet wind can be adjusted;
s3: the motor is started to drive the screw rod to rotate and the threads of the sliding block, so that the sliding block can drive the cleaning brush to move to clean dust on the screen plate, and the effect of ventilation influenced by the dust can be avoided;
s4: when raining, the second hydraulic cylinder is started to drive the water baffle to descend until the sealing gasket is completely clamped in the sealing groove, so that water can be prevented from entering the ventilation pipe; s5: the inside of fixed slot is kept away from to the promotion ejector pad drive fixed block, to the outside pulling filter frame of ventilation pipe, can tear the filter frame apart from the inside of ventilation pipe, and the convenience is changed or is cleared up filter screen and activated carbon layer.
S6: the exhaust fan can draw out the wind in the vehicle through the ventilation pipe, and the effect of changing the wind is realized.
The invention provides a ventilating device for a railway vehicle and a using method thereof through improvement, and compared with the prior art, the ventilating device has the following improvement and advantages:
(1) through the play fan blade, cavity, gear, first pneumatic cylinder, pinion rack and the deflector that sets up, start first pneumatic cylinder and drive the pinion rack and remove, can make pinion rack and gear engagement for the gear is beaten the air-out leaf and is turned, can adjust the wind direction of air inlet, has solved and can only directly blow to a direction and lead to the problem that partial passenger always bloied, and the comfort level is better.
(2) Through top groove, otter board, spout, slider, brush cleaner, motor and the lead screw that sets up, when the motor drives the lead screw and rotates and the slider screw thread, can make the slider drive the brush cleaner and remove and clean the otter board, can avoid the dust of otter board to influence the phenomenon of ventilation effect.
(3) Through second pneumatic cylinder, lift post, breakwater, guide way and the guide block that sets up, the second pneumatic cylinder can drive lift post and breakwater decline, and the joint that seals up until can make not have the gap between breakwater and the ventilation pipe in the inside of seal groove, can avoid water to enter into every inside of ventilation pipe, has played waterproof effect.
(4) Through slot, filter frame, filter screen, activated carbon layer, movable slot, fixed block, fixed slot, ejector pad and the spring that sets up, promote the ejector pad and drive the inside that the fixed slot was kept away from to the fixed block, to the outside pulling filter frame of ventilation pipe, can dismantle the filter frame from the inside of ventilation pipe and get off to clear up or change filter screen and activated carbon layer, use convenience very.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an internal view of the present invention;
FIG. 3 is a top view of the air outlet blade of the present invention;
FIG. 4 is a top plan view of the screen cleaning of the present invention;
FIG. 5 is a view showing a structure for fixing a filter frame according to the present invention.
Description of reference numerals:
the device comprises a ventilation pipe 1, a fan blade 2, a cavity 3, a gear 4, a first hydraulic cylinder 5, a toothed plate 6, a guide plate 7, a top groove 8, a screen plate 9, a sliding groove 10, a sliding block 11, a cleaning brush 12, a motor 13, a lead screw 14, a second hydraulic cylinder 15, a lifting column 16, a water baffle 17, a guide groove 18, a guide block 19, a slot 20, a filter frame 21, a filter screen 22, an activated carbon layer 23, a movable groove 24, a fixed block 25, a fixed groove 26, a push block 27, a spring 28, a sealing gasket 29, a sealing groove 30, a blower 31 and an exhaust fan 32.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a fan blade device through improvement, as shown in fig. 1-5, the fan blade device comprises a ventilation pipe 1, a fan blade 2 is rotatably connected to the inner wall of the ventilation pipe 1 through a bearing, a cavity 3 is arranged inside the ventilation pipe 1, a gear 4 is arranged at one end of the fan blade 2 located inside the cavity 3, a first hydraulic cylinder 5 is fixed to the inner wall of the cavity 3 through a bolt, a toothed plate 6 is fixed to the output end of the first hydraulic cylinder 5 through a bolt, the toothed plate 6 is meshed with the gear 4, a guide plate 7 is fixed to the inner wall of the cavity 3 through a bolt, the toothed plate 6 is slidably connected to the outer portion of the guide plate 7, the first hydraulic cylinder 5 drives the toothed plate 6 to move, the toothed plate 6 is meshed with the gear 4, the gear 4 can drive the fan blade 2 to turn, the wind direction of the inlet wind can be adjusted, and the fan blade device is very flexible.
Further, a top groove 8 is formed in the top of the ventilation pipe 1, a screen plate 9 is fixed to the inner wall of the top groove 8 through bolts, and the screen plate 9 can prevent dust from entering the ventilation pipe 1.
Further, all seted up spout 10 on the inner wall of top groove 8 both sides, and the inside sliding connection of spout 10 has slider 11, is fixed with sweeper brush 12 through the bolt on looking the outer wall of two slider 11, can drive sweeper brush 12 and remove when slider 11 removes and clean otter board 9.
Further, a motor 13 is fixed on the inner wall of one of the sliding grooves 10 through a bolt, a screw rod 14 is fixed on the output end of the motor 13 through a bolt, the screw rod 14 penetrates through the inside of the sliding block 11 in a threaded manner, and the motor 13 can drive the screw rod 14 to rotate and the sliding block 11 to enable the sliding block 11 to move.
Further, there is second pneumatic cylinder 15 on the inner wall of ventilation pipe 1 bottom through the bolt fastening, and there is lifting column 16 through the bolt fastening on the output of second pneumatic cylinder 15, there is breakwater 17 on lifting column 16's top through the bolt fastening, guide way 18 has been seted up on ventilation pipe 1's the inner wall, and all be provided with sliding connection at the inside guide block 19 of guide way 18 on the outer wall of lifting column 16 both sides, second pneumatic cylinder 15 can drive lifting column 16 and breakwater 17 and descend, can prevent that water from entering into ventilation pipe 1's inside.
Further, be provided with sealed the pad 29 on the outer wall at ventilation pipe 1 top, and seted up seal groove 30 on the outer wall of breakwater 17 bottom, sealed pad 29 joint is in the inside of seal groove 30, and sealed pad 29 can make and does not have the gap between ventilation pipe 1 and the breakwater 17, has played waterproof effect.
Further, slot 20 has been seted up on the outer wall of ventilation pipe 1 one side, and the inside of slot 20 is pegged graft and is had filter frame 21, is provided with filter screen 22 and activated carbon layer 23 on the inner wall of filter frame 21 respectively, and filter screen 22 and activated carbon layer 23 can filter and adsorb the tiny particle in the air inlet and harmful substance many times.
Further, movable groove 24 has been seted up to filter frame 21's inside, and movable groove 24's inside sliding connection has fixed block 25, fixed slot 26 has been seted up on the inner wall of slot 20, and fixed block 25 pegs graft in fixed slot 26's inside, be provided with ejector pad 27 on the outer wall of fixed block 25 one side, and be provided with the spring 28 that is connected with fixed block 25 on movable groove 24's the inner wall, promote ejector pad 27 and drive fixed block 25 and keep away from the inside of fixed slot 26, outside pulling filter frame 21 to ventilation pipe 1 can be dismantled it from ventilation duct 1.
Further, a blower 31 is fixed on the inner wall, close to the fan blade 2, of the ventilation pipe 1 through bolts, an exhaust fan 32 is fixed on the inner wall, far away from the other side of the fan blade 31, of the ventilation pipe 1 through bolts, and the exhaust fan 32 can suck air into the ventilation pipe 1 from a vehicle, so that the air exchange effect is achieved.
A use method of the ventilation device for the railway vehicle comprises the following steps:
s1: starting a blower 31 to suck wind at the top of the ventilation pipe 1 into the ventilation pipe 1, and blowing the wind into the vehicle through the mesh plate 9, the filter screen 22 and the activated carbon layer 23;
s2: the first hydraulic cylinder 5 is started to drive the toothed plate 6 to move, so that the toothed plate 6 is meshed with the gear 4, the gear 4 can drive the fan blades 2 to turn, and the wind direction of inlet wind can be adjusted;
s3: the motor 13 is started to drive the screw rod 14 to rotate and thread with the sliding block 11, so that the sliding block 11 drives the cleaning brush 12 to move to clean dust on the screen plate 9, and the effect of ventilation influenced by the dust can be avoided;
s4: when raining, the second hydraulic cylinder 15 is started to drive the water baffle 17 to descend until the sealing gasket 29 is completely clamped in the sealing groove 30, so that water can be prevented from entering the ventilation pipe 1; s5: the pushing block 27 is pushed to drive the fixing block 25 to be far away from the inside of the fixing groove 26, the filter frame 21 is pulled towards the outside of the ventilation pipe 1, the filter frame 21 can be detached from the inside of the ventilation pipe 1, and the filter screen 22 and the activated carbon layer 23 are conveniently replaced or cleaned.
S6: the exhaust fan 32 can exhaust the wind in the vehicle through the ventilation pipe 1, so that the effect of air exchange is realized.
The working principle is as follows: when the ventilation device for the rail vehicle is used, the blower 31 is started to suck the air at the top of the ventilation pipe 1 into the ventilation pipe 1, the air is blown into the vehicle through the screen plate 9, the filter screen 22 and the activated carbon layer 23, the air entering the vehicle can be cleaner, the first hydraulic cylinder 5 is started to drive the toothed plate 6 to move, the toothed plate 6 is meshed with the gear 4, the gear 4 can drive the fan blades 2 to turn, the air direction of the inlet air can be adjusted, the phenomenon that part of passengers are always blown by the air is avoided, the starting motor 13 drives the screw rod 14 to rotate and the sliding block 11 to be threaded, the sliding block 11 can drive the cleaning brush 12 to move to clean the dust on the screen plate 9, the effect that the dust affects the ventilation can be avoided, the sliding block 11 can enable the cleaning brush 12 to move in parallel, the stability is improved, and when raining, the second hydraulic cylinder 15 is started to drive the water baffle 17 to descend, until sealed the inside of the complete joint of pad 29 in seal groove 30, can prevent that water from entering into ventilation pipe 1's inside, played waterproof effect, promote ejector pad 27 and drive the inside that fixed block 25 kept away from fixed slot 26, to ventilation pipe 1's outside pulling filter frame 21, can tear filter frame 21 down from ventilation pipe 1's inside, conveniently change or clear up filter screen 22 and activated carbon layer 23, unusual convenience and practicality.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A ventilation device for a rail vehicle, characterized in that: including ventilation pipe (1), be connected with out fan blade (2) through the bearing rotation on the inner wall of ventilation pipe (1), and the inside of ventilation pipe (1) is provided with cavity (3), the one end that goes out fan blade (2) and be located cavity (3) inside is provided with gear (4), be fixed with first pneumatic cylinder (5) through the bolt on the inner wall of cavity (3), and be fixed with pinion rack (6) through the bolt on the output of first pneumatic cylinder (5), pinion rack (6) and gear (4) intermeshing, be fixed with deflector (7) through the bolt on the inner wall of cavity (3), and pinion rack (6) sliding connection is in the outside of deflector (7).
2. A ventilation device for a rail vehicle according to claim 1, characterized in that: a top groove (8) is formed in the top of the ventilation pipe (1), and a screen plate (9) is fixed on the inner wall of the top groove (8) through bolts.
3. A ventilation device for a rail vehicle according to claim 2, characterized in that: sliding grooves (10) are formed in the inner walls of the two sides of the top groove (8), sliding blocks (11) are connected to the inner portions of the sliding grooves (10) in a sliding mode, and cleaning brushes (12) are fixed to the outer walls of the two viewed sliding blocks (11) through bolts.
4. A ventilation device for a rail vehicle according to claim 3, characterized in that: a motor (13) is fixed on the inner wall of one of the sliding grooves (10) through a bolt, a screw rod (14) is fixed on the output end of the motor (13) through a bolt, and the screw rod (14) penetrates through the inside of the sliding block (11) in a threaded mode.
5. A ventilation device for a rail vehicle according to claim 1, characterized in that: the inner wall of the bottom of the ventilation pipe (1) is fixed with a second hydraulic cylinder (15) through a bolt, the output end of the second hydraulic cylinder (15) is fixed with a lifting column (16) through a bolt, the top end of the lifting column (16) is fixed with a water baffle (17) through a bolt, the inner wall of the ventilation pipe (1) is provided with a guide groove (18), and the outer walls of the two sides of the lifting column (16) are provided with guide blocks (19) which are connected inside the guide groove (18) in a sliding mode.
6. A ventilation device for a rail vehicle according to claim 5, characterized in that: be provided with sealed pad (29) on the outer wall at ventilation pipe (1) top, and seted up seal groove (30) on the outer wall of breakwater (17) bottom, sealed pad (29) joint is in the inside of seal groove (30).
7. A ventilation device for a rail vehicle according to claim 1, characterized in that: the ventilating pipe is characterized in that a slot (20) is formed in the outer wall of one side of the ventilating pipe (1), a filter frame (21) is inserted into the slot (20), and a filter screen (22) and an activated carbon layer (23) are arranged on the inner wall of the filter frame (21) respectively.
8. A ventilation device for a rail vehicle according to claim 7, characterized in that: the filter is characterized in that a movable groove (24) is formed in the filter frame (21), a fixed block (25) is connected to the inside of the movable groove (24) in a sliding mode, a fixed groove (26) is formed in the inner wall of the inserting groove (20), the fixed block (25) is inserted into the fixed groove (26), a push block (27) is arranged on the outer wall of one side of the fixed block (25), and a spring (28) connected with the fixed block (25) is arranged on the inner wall of the movable groove (24).
9. A ventilation device for a rail vehicle according to claim 1, characterized in that: the inner wall of the ventilation pipe (1) close to the fan blade (2) is fixedly provided with a blower (31) through a bolt, and the inner wall of the ventilation pipe (1) far away from the other side of the fan blade (31) is fixedly provided with an exhaust fan (32) through a bolt.
10. A method of using a ventilation device for a rail vehicle, comprising a ventilation device for a rail vehicle as claimed in any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1: starting a blower (31) to suck wind at the top of the ventilation pipe (1) into the ventilation pipe (1), and blowing the wind into the vehicle through the mesh plate (9), the filter screen (22) and the activated carbon layer (23);
s2: the first hydraulic cylinder (5) is started to drive the toothed plate (6) to move, so that the toothed plate (6) is meshed with the gear (4), the gear (4) can drive the fan blades (2) to turn, and the wind direction of the inlet wind can be adjusted;
s3: the motor (13) is started to drive the screw rod (14) to rotate and the thread of the sliding block (11), so that the sliding block (11) drives the cleaning brush (12) to move to clean dust on the screen plate (9), and the effect of dust on ventilation can be avoided;
s4: when raining, the second hydraulic cylinder (15) is started to drive the water baffle (17) to descend until the sealing gasket (29) is completely clamped in the sealing groove (30), so that water can be prevented from entering the ventilation pipe (1); s5: the pushing block (27) is pushed to drive the fixing block (25) to be far away from the inside of the fixing groove (26), the filter frame (21) is pulled to the outside of the ventilation pipe (1), the filter frame (21) can be detached from the inside of the ventilation pipe (1), and the filter screen (22) and the activated carbon layer (23) can be replaced or cleaned conveniently;
s6: the exhaust fan (32) can exhaust the wind in the vehicle through the ventilation pipe (1), so that the effect of air exchange is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210562288.6A CN114852114A (en) | 2022-05-23 | 2022-05-23 | Ventilating device for railway vehicle and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210562288.6A CN114852114A (en) | 2022-05-23 | 2022-05-23 | Ventilating device for railway vehicle and using method thereof |
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| CN114852114A true CN114852114A (en) | 2022-08-05 |
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| CN202210562288.6A Pending CN114852114A (en) | 2022-05-23 | 2022-05-23 | Ventilating device for railway vehicle and using method thereof |
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| CN215971504U (en) * | 2021-09-24 | 2022-03-08 | 吴天磊 | Ventilation equipment in track traffic car |
| CN216024106U (en) * | 2021-09-27 | 2022-03-15 | 河南鑫成环保科技有限公司 | High concentration foul smell biological deodorization device |
| CN216481412U (en) * | 2022-01-07 | 2022-05-10 | 中交第四公路工程局有限公司 | Energy-saving efficient ventilation device for basement building |
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