CN104896717A - Dust removal device of ventilation system of electric locomotive - Google Patents
Dust removal device of ventilation system of electric locomotive Download PDFInfo
- Publication number
- CN104896717A CN104896717A CN201510320038.1A CN201510320038A CN104896717A CN 104896717 A CN104896717 A CN 104896717A CN 201510320038 A CN201510320038 A CN 201510320038A CN 104896717 A CN104896717 A CN 104896717A
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- China
- Prior art keywords
- ventilation system
- electric locomotive
- rotating disk
- motor
- fan housing
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of locomotive braking, in particular to a dust removal device of a ventilation system of an electric locomotive. The dust removal device of the ventilation system of the electric locomotive is arranged below a fan cover of the ventilation system of the electric locomotive and composed of a support component, a filter component and a cleaning component. The dust removal device of the ventilation system of the electric locomotive is connected with a control system of the locomotive, a manual valve of a dust blowing component is located at a normally open state, the non-sealed end of a high-pressure air pipe is connected with a gas storage tank of the locomotive, when the locomotive runs, the control system starts a motor, the power is transmitted to a rotating spindle through a synchronous belt to drive a turn plate filter screen component to rotate, and meanwhile, an electromagnetic valve is started, the high-pressure air pipe reversely blows sundries on a filter screen plate, and the sundries are taken out through a dust removal air barrel. The post-maintenance includes that controlling a turn plate filter screen bracket to rotate to enable a screen plate viewing port to be corresponding to a screen plate damaged position, opening a screen plate observation door, and taking out the damaged filter screen plate to change. The dust removal device of the ventilation system of the electric locomotive is reasonable in structure, convenient to operate and high in working efficiency, and the labor intensity and running cost are greatly lowered.
Description
One, technical field
The present invention relates to rolling stock braking technology field, particularly relate to a kind of dust arrester of electric locomotive ventilation system.
Two, background technology
Electric locomotive is along with the prolongation of running time, dust, foreign material are assembled gradually in ventilating system, cause the continuous reduction of ventilation, especially catkin district occurred frequently, when temperature raises, the current transformer overtemperature fault caused because of ventilating system blocking will be there is, thus directly threat will be formed to whole locomotive and railway security transport.In actual motion, in order to filter these impurity, usually arrange screen pack, each locomotive depot mainly relies on locomotive to its cleaning and plows in inspection, periodical repair and drop into a large amount of human and material resources and carry out the inspection of ventilating system, flushing, purging work.
In prior art, such as Chinese patent CN 201949706U discloses by screen pack integrally, by the first in command screen pack frame being embedded with screen pack extracted out in slideway or loosen the first bolt by artificial, when compacting part is opened, extract screen pack frame out, come its cleaning or safeguard process; CN 2778368Y discloses air cleaner protecgulum and is connected through the hinge, and air cleaner protecgulum rotates along hinge and just can open and close, replaceable cartridge after air cleaner protecgulum is opened; WO2004101113A1 discloses a kind of filter from removal of impurity in confined space, and it realizes the regeneration of filter by the heating of resistor and recycles.But, when all there is insect etc. that ventilating opening is involved in prior art comparatively bigger material crash through screen pack, for the damage of local, also need to change whole screen pack, maintenance process makes cost higher, and existing working method labour intensity is large, inefficiency, equipment also not relevant at present can pollutant in Automatic clearance ventilating system and facilitate the maintenance of screen pack.
Three, summary of the invention
The object of the invention is: overcome the defect that prior art exists, one is provided to replace manual operation, realize the automatic dust removing of electric locomotive ventilation system and maintain easily, and the electric locomotive ventilation system dust arrester that operating efficiency is high, operating cost is low, practical, labour intensity is low.
The present invention applies under being arranged on the fan housing of electric locomotive ventilation system, and its technical scheme is for comprising support component, filter element and cleaning member, and wherein, support component comprises fan housing gripper shoe, ventilation annular seating, annular brace seat and web plate and observes door; Filter element comprises rotating disk net-filter assembly and gyro black assembly; Cleaning member comprises drifting dust assembly and dedusting assembly.
Rotating disk net-filter assembly comprises rotating disk filter screen bracket, web plate pretension bar, screen pack; Rotating disk filter screen bracket coaxial support on the supporting member, rotating disk filter screen bracket divider is fixed with web plate pretension bar, and screen pack is fixed on web plate pretension bar.Gyro black assembly comprises slew gear, actuating unit and power transmission mechanism, in order to realize the rotation of rotating disk net-filter assembly.
Preferably, screen pack is fan-shaped.
Preferably, web plate pretension bar uniform welding, bonding or be connected on rotating disk filter screen bracket divider.
Preferably, screen pack interlocking, clamping or joggle are on the web plate pretension bar on both sides.
Preferably, on ring-shaped bearing seat, corresponding fan housing shell nozzle end is provided with web plate observation panel, relies on bolt to be provided with web plate and observes door.
Preferably, rotating disk net-filter assembly comprises multi-disc screen pack, and after it rotates to the damage location of the corresponding screen pack of web plate observation panel, web plate is observed door and opens, the screen pack taking out this sheet breakage is changed.
Preferably, described power transmission mechanism can be tape handler, gear drive or chain-drive mechanism.
Preferably, slew gear comprises revolution mandrel, taper roll bearing, sealing shroud, deep groove ball bearing; Actuating unit comprises motor, motor casing, motor cover, motor mounting plate; Power transmission mechanism comprises synchronous pulley and Timing Belt; Wherein, the center superposition of mandrel, taper roll bearing, deep groove ball bearing and annular brace seat, rotating disk filter screen bracket is turned round.
Preferably, revolution mandrel is arranged on by taper roll bearing and deep groove ball bearing in the bearing block of ring-shaped bearing seat, and be separately installed with sealing shroud at the two ends up and down of revolution mandrel, in order to center superposition and the sealing of guarantee revolution mandrel, taper roll bearing, deep groove ball bearing and annular brace seat, rotating disk filter screen bracket;
Motor is arranged in the fan housing gripper shoe in the fan housing housing lower left corner, on fan housing housing, motor external part is provided with the motor casing of motor cover and fan housing body inside, for ensureing the sealing of motor, one end near motor on fan housing has motor mounting plate, facilitate the installation and removal of motor, the output of motor is provided with main synchronous pulley, by Timing Belt connect revolution mandrel bottom from synchronous pulley.
Ring-shaped bearing seat comprises bracing frame and bearing block, and the bracing frame of ring-shaped bearing seat inner ring is fixedly connected with bearing block; Ring-shaped bearing seat is fixedly mounted on the bottom of the fan housing gripper shoe of fan housing body inside, and the ventilation annular seating be fixedly mounted on fan housing with locomotive air inlet place is fixed as one, and rotating disk filter screen bracket coaxial support is on the bearing block of ring-shaped bearing seat.
Preferably, the bracing frame of ring-shaped bearing seat inner ring is " ten " font.
Preferably, drifting dust assembly comprises high-pressure air hose, supporting seat, magnetic valve and hand-operated valve; And control system, for starting and shut electromagnetic valve, thus control startup and the closedown of high-pressure air hose; Hand-operated valve is used under powering-off state, control high-pressure air hose startup and cut out, and regulates the size of high-pressure air hose ventilation.
Preferably, supporting seat is card-type, drifting dust assembly is arranged in fan housing gripper shoe by card-type supporting seat, high-pressure air hose is provided with magnetic valve and hand-operated valve, sealing one end of high-pressure air hose evenly has unidirectional aperture blowing facing on screen pack air intake direction, and the other end connects the air accumulator on locomotive.
Preferably, dedusting assembly comprises dedusting air duct and air duct ribs; Dedusting air duct is fixed on ventilation annular seating inner ring by airduct ribs.
Operationally, electric locomotive ventilation system dust arrester should be connected with the control system of locomotive, and the hand-operated valve of drifting dust assembly is in normally open, and non-tight one end of high-pressure air hose is connected with the air accumulator of electric locomotive simultaneously.Before locomotive operation, by control system starter motor, by Timing Belt, its power is sent on revolution mandrel, drive the rotation of rotating disk net-filter assembly, at this moment control system starts magnetic valve, and high-pressure air hose oppositely blows over the foreign material in sieve plate, and on it, foreign material are taken out of by dedusting air duct; When electric locomotive power-off, according to the practical operation situation of electric locomotive, controlled the work of high-pressure air hose by hand-operated valve; In addition, according to the job requirement of locomotive, also can be set by control system and at set intervals regular dust removal process be carried out to locomotive.Along with the prolongation of running time, the insect etc. be involved in by ventilating opening is when comparatively bigger material crashes through screen pack, it is safeguarded it is that after control rotating disk filter screen bracket rotates to the corresponding web plate damage location of web plate observation panel, web plate is observed door and opens, the screen pack taking out this sheet breakage carries out changing; This apparatus structure is reasonable, easy to operate, operating efficiency is high, significantly reduces labour intensity and operating cost.
Four, accompanying drawing explanation
Fig. 1 is the stereogram of overall structure schematic diagram of the present invention;
Fig. 2 is the top view of overall structure schematic diagram of the present invention;
Fig. 3 is the left view of overall structure schematic diagram of the present invention;
Fig. 4 is the front view of overall structure schematic diagram of the present invention;
Fig. 5 is the A-A sectional view of Fig. 2.
Reference numeral:
Door 1-4 observed by fan housing gripper shoe 1-1, ventilation annular seating 1-2, annular brace seat 1-3, bracing frame 1-3-1, bearing block 1-3-2, web plate;
Rotating disk net-filter assembly 2-1, rotating disk filter screen bracket 2-1-1, web plate pretension bar 2-1-2, screen pack 2-1-3, gyro black assembly 2-2, revolution mandrel 2-2-1, taper roll bearing 2-2-2, deep groove ball bearing 2-2-3, sealing shroud A 2-2-4, sealing shroud B 2-2-5, motor 2-2-6, motor casing 2-2-7, motor cover 2-2-8, motor mounting plate 2-2-9, main synchronous pulley A 2-2-10, from synchronous pulley B 2-2-11, Timing Belt 2-2-12;
Drifting dust assembly 3-1, high-pressure air hose 3-1-1, card-type supporting seat 3-1-2, magnetic valve 3-1-3, hand-operated valve 3-1-4, dedusting assembly 3-2, dedusting air duct 3-2-1, air duct ribs 3-2-2.
Five, detailed description of the invention
Describe implementation process of the present invention by reference to the accompanying drawings in detail, as Figure 1-5.
Apparatus of the present invention are made up of support component, filter element and cleaning member; Support component observes door 1-4 by fan housing gripper shoe 1-1, ventilation annular seating 1-2, annular brace seat 1-3 and web plate to form; Ring-shaped bearing seat 1-3 is made up of bracing frame 1-3-1 and bearing block 1-3-2, and " ten " shaped support frame 1-3-1 of ring-shaped bearing seat 1-3 inner ring is fixedly connected with bearing block 1-3-2.Ring-shaped bearing seat 1-3 is mounted by means of bolts on the bottom of the fan housing gripper shoe 1-1 of fan housing body inside, and the ventilation annular seating 1-2 be mounted by means of bolts on fan housing with locomotive air inlet place connects as one; In addition, on ring-shaped bearing seat 1-3, corresponding fan housing shell nozzle end is provided with web plate observation panel, relies on bolt to be provided with web plate and observes door 1-4.
Filter element is made up of rotating disk net-filter assembly 2-1 and gyro black assembly 2-2; Rotating disk net-filter assembly 2-1 is made up of rotating disk filter screen bracket 2-1-1, web plate pretension bar 2-1-2, screen pack 2-1-3; Rotating disk filter screen bracket 2-1-1 coaxial support is on the bearing block 1-3-2 of ring-shaped bearing seat 1-3, and on rotating disk filter screen bracket 2-1-1 divider, uniform welding has web plate pretension bar 2-1-2, and screen pack 2-1-3 is embedded in the web plate pretension bar 2-1-2 on both sides; Gyro black assembly 2-2 is by revolution mandrel 2-2-1, taper roll bearing 2-2-2, deep groove ball bearing 2-2-3, sealing shroud A 2-2-4, sealing shroud B 2-2-5, motor 2-2-6, motor casing 2-2-7, motor cover 2-2-8, motor mounting plate 2-2-9, main synchronous pulley A 2-2-10, forms from synchronous pulley B 2-2-11 and Timing Belt 2-2-12; Revolution mandrel 2-2-1 is arranged on by taper roll bearing 2-2-2 and deep groove ball bearing 2-2-3 in the bearing block 1-3-2 of ring-shaped bearing seat 1-3, and be separately installed with sealing shroud A 2-2-4 and sealing shroud B 2-2-5 at the two ends up and down of revolution mandrel 2-2-1, ensure revolution mandrel 2-2-1, taper roll bearing 2-2-2, deep groove ball bearing 2-2-3 and annular brace seat 1-3, the center superposition of rotating disk filter screen bracket 2-1-1 and sealing; Motor 2-2-6 is arranged on the fan housing gripper shoe 1-1 in the fan housing housing lower left corner, on fan housing housing, motor 2-2-6 external part is provided with the motor casing 2-2-7 of motor cover 2-2-8 and fan housing body inside, ensure the sealing of motor 2-2-6, one end near motor 2-2-6 on fan housing has motor mounting plate 2-2-9, facilitate the installation and removal of motor 2-2-6, the output of motor 2-2-6 is provided with main synchronous pulley A 2-2-10, by Timing Belt 2-2-12 connect bottom revolution mandrel 2-2-1 from synchronous pulley B 2-2-11.
Cleaning member is made up of drifting dust assembly 3-1 and dedusting assembly 3-2; Drifting dust assembly 3-1 is made up of high-pressure air hose 3-1-1, card-type supporting seat 3-1-2, magnetic valve 3-1-3 and hand-operated valve 3-1-4; Drifting dust assembly 3-1 is arranged on fan housing gripper shoe 1-1 by card-type supporting seat 3-1-2, high-pressure air hose 3-1-1 is provided with magnetic valve 3-1-3 and hand-operated valve 3-1-4, sealing one end of high-pressure air hose 3-1-1 evenly has unidirectional aperture blowing facing on screen pack 2-1-3 (air intake) direction, and the other end connects the air accumulator on locomotive; Dedusting assembly 3-2 is made up of dedusting air duct 3-2-1 and air duct ribs 3-2-2; Dedusting air duct 3-2-1 is weldingly fixed on ventilation annular seating 1-2 inner ring by airduct ribs 3-2-2.
When applying this device, under this device being arranged on the fan housing of electric locomotive ventilation system, and each parts are connected with control system, and the hand-operated valve of dedusting assembly is in normally open, and the unsealed one end of high-pressure air hose is connected with the air accumulator of electric locomotive.Before locomotive operation, control system starter motor 2-2-6, by output main synchronous pulley A 2-2-10 by Timing Belt 2-2-12 power is sent to bottom revolution mandrel 2-2-1 from synchronous pulley B 2-2-11, thus drive the rotation of rotating disk net-filter assembly 2-1, at this moment control system starts the magnetic valve 3-1-3 of drifting dust assembly 3-1, the gas transmitted by electric locomotive air accumulator oppositely blows over the foreign material on sieve plate 2-1-3 by high-pressure air hose 3-1-1, on it, foreign material are taken out of by dedusting air duct 3-2-1; When electric locomotive power-off, according to the practical operation situation of electric locomotive, controlled closedown and the startup of high-pressure air hose 3-1-1 by hand-operated valve 3-1-4, and regulate the size of high-pressure air hose 3-1-1 ventilation; In addition, according to the job requirement of locomotive, also can be set by control system and at set intervals regular dust removal process be carried out to locomotive.In later maintenance, along with the prolongation of running time, the insect etc. be involved in by ventilating opening is when comparatively bigger material crashes through screen pack 2-1-3, it is safeguarded it is after control rotating disk filter screen bracket 2-1-1 rotates to web plate observation panel corresponding screen pack 2-1-3 damage location, web plate is observed door 1-4 to open, the screen pack 2-1-3 taking out this sheet breakage carries out changing.
Apparatus of the present invention are rational in infrastructure, simple to operate, practical, labour intensity is low, and can complete the automated cleaning of electric locomotive cooling system and maintain easily, operating efficiency is high, and operating cost is low, and economic benefit is obvious.
Claims (20)
1. an electric locomotive ventilation system dust arrester, under being arranged on the fan housing of electric locomotive ventilation system, it is characterized by this dust arrester and comprise support component, filter element and cleaning member, wherein, filter element comprises rotating disk net-filter assembly (2-1) and gyro black assembly (2-2).
2. electric locomotive ventilation system dust arrester according to claim 1, is characterized by described rotating disk net-filter assembly (2-1) and comprises rotating disk filter screen bracket (2-1-1), web plate pretension bar (2-1-2), screen pack (2-1-3); Rotating disk filter screen bracket (2-1-1) coaxial support is on support component (1), rotating disk filter screen bracket (2-1-1) divider is fixed with web plate pretension bar (2-1-2), and screen pack (2-1-3) is removably fixed on web plate pretension bar (2-1-2).
3. electric locomotive ventilation system dust arrester according to claim 2, is characterized by screen pack (2-1-3) for fan-shaped.
4. electric locomotive ventilation system dust arrester according to claim 2, is characterized by web plate pretension bar (2-1-2) uniform welding, bonding or be connected on rotating disk filter screen bracket (2-1-1) divider.
5. electric locomotive ventilation system dust arrester according to claim 2, is characterized by screen pack (2-1-3) interlocking, clamping or joggle on the web plate pretension bar (2-1-2) on both sides.
6. electric locomotive ventilation system dust arrester according to claim 2, is characterized by described gyro black assembly (2-2) and comprises slew gear, actuating unit and power transmission mechanism, in order to realize the rotation of rotating disk net-filter assembly (2-1).
7. electric locomotive ventilation system dust arrester according to claim 6, is provided with web plate observation panel at the upper corresponding fan housing shell nozzle end of ring-shaped bearing seat (1-3), relies on bolt to be provided with web plate and observes door (1-4).
8. electric locomotive ventilation system dust arrester according to claim 7, it is characterized by described rotating disk net-filter assembly (2-1) and comprise multi-disc screen pack (2-1-3), after it rotates to the damage location of the corresponding screen pack (2-1-3) of web plate observation panel, web plate is observed door (1-4) to open, the screen pack (2-1-3) taking out this sheet breakage is changed.
9. electric locomotive ventilation system dust arrester according to claim 8, it is characterized by described power transmission mechanism is tape handler, gear drive or chain-drive mechanism.
10. electric locomotive ventilation system dust arrester according to claim 8, is characterized by slew gear and comprises revolution mandrel (2-2-1), taper roll bearing (2-2-2), sealing shroud (2-2-4,2-2-5), deep groove ball bearing (2-2-3); Actuating unit comprises motor (2-2-6), motor casing (2-2-7), motor cover (2-2-8), motor mounting plate (2-2-9); Power transmission mechanism comprises synchronous pulley (2-2-10,2-2-11) and Timing Belt (2-2-12); Wherein, the center superposition of mandrel (2-2-1), taper roll bearing (2-2-2), deep groove ball bearing (2-2-3) and annular brace seat (1-3), rotating disk filter screen bracket (2-1-1) is turned round.
11. electric locomotive ventilation system dust arresters according to claim 10, it is characterized by revolution mandrel (2-2-1) is arranged in the bearing block (1-3-2) of ring-shaped bearing seat (1-3) by taper roll bearing (2-2-2) and deep groove ball bearing (2-2-3), and be separately installed with sealing shroud (2-2-4 at the two ends up and down of revolution mandrel (2-2-1), 2-2-5), in order to ensure revolution mandrel (2-2-1), taper roll bearing (2-2-2), deep groove ball bearing (2-2-3) and annular brace seat (1-3), the center superposition of rotating disk filter screen bracket (2-1-1) and sealing,
Motor (2-2-6) is arranged in the fan housing gripper shoe (1-1) in the fan housing housing lower left corner, on fan housing housing, motor external part is provided with the motor casing (2-2-7) of motor cover (2-2-8) and fan housing body inside, for ensureing the sealing of motor (2-2-6), one end near motor (2-2-6) on fan housing has motor mounting plate (2-2-9), facilitate the installation and removal of motor (2-2-6), the output of motor (2-2-6) is provided with main synchronous pulley (2-2-10), by Timing Belt (2-2-12) connect revolution mandrel (2-2-1) bottom from synchronous pulley (2-2-11).
12. electric locomotive ventilation system dust arresters according to claim 2, is characterized by described support component and comprise fan housing gripper shoe (1-1), ventilation annular seating (1-2), annular brace seat (1-3) and web plate observation door (1-4).
13. electric locomotive ventilation system dust arresters according to claim 12, it is characterized by ring-shaped bearing seat (1-3) and comprise bracing frame (1-3-1) and bearing block (1-3-2), the bracing frame of ring-shaped bearing seat inner ring is fixedly connected with bearing block (1-3-2); Ring-shaped bearing seat (1-3) is fixedly mounted on the bottom of the fan housing gripper shoe (1-1) of fan housing body inside, the ventilation annular seating (1-2) be fixedly mounted on fan housing with locomotive air inlet place is fixed as one, and rotating disk filter screen bracket (2-1-1) coaxial support is on the bearing block (1-3-2) of ring-shaped bearing seat (1-3).
14. electric locomotive ventilation system dust arresters according to claim 13, the bracing frame (1-3-1) that it is characterized by ring-shaped bearing seat (1-3) inner ring is " ten " font.
15. electric locomotive ventilation system dust arresters according to claim 12, is characterized by described cleaning member and comprise drifting dust assembly (3-1) and dedusting assembly (3-2).
16. electric locomotive ventilation system dust arresters according to claim 15, is characterized by described drifting dust assembly (3-1) and comprise high-pressure air hose (3-1-1), supporting seat (3-1-2), magnetic valve (3-1-3) and hand-operated valve (3-1-4); And control system, for starting and shut electromagnetic valve (3-1-3), thus control startup and the closedown of high-pressure air hose (3-1-1); Hand-operated valve (3-1-4) for controlling startup and the cut out of high-pressure air hose (3-1-1) under powering-off state, and regulates the size of high-pressure air hose (3-1-1) ventilation.
17. electric locomotive ventilation system dust arresters according to claim 16, it is characterized by supporting seat (3-1-2) is card-type, drifting dust assembly (3-1) is arranged in fan housing gripper shoe (1-1) by card-type supporting seat (3-1-2), high-pressure air hose (3-1-1) is provided with magnetic valve (3-1-3) and hand-operated valve (3-1-4), sealing one end of high-pressure air hose (3-1-1) evenly has unidirectional aperture blowing facing on screen pack (2-1-3) air intake direction, and the other end connects the air accumulator on locomotive.
18. electric locomotive ventilation system dust arresters according to claim 15, is characterized by described dedusting assembly (3-2) and comprise dedusting air duct (3-2-1) and air duct ribs (3-2-2); Dedusting air duct (3-2-1) is fixed on ventilation annular seating (1-2) inner ring by airduct ribs (3-2-2).
19. 1 kinds be applied to as arbitrary in claim 1-18 as described in electric locomotive ventilation system dust arrester in rotating disk net-filter assembly.
20. 1 kinds be applied to as arbitrary in claim 1-18 as described in electric locomotive ventilation system dust arrester in cleaning member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510320038.1A CN104896717A (en) | 2015-06-11 | 2015-06-11 | Dust removal device of ventilation system of electric locomotive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510320038.1A CN104896717A (en) | 2015-06-11 | 2015-06-11 | Dust removal device of ventilation system of electric locomotive |
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| CN104896717A true CN104896717A (en) | 2015-09-09 |
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| CN201510320038.1A Pending CN104896717A (en) | 2015-06-11 | 2015-06-11 | Dust removal device of ventilation system of electric locomotive |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106066061A (en) * | 2016-07-18 | 2016-11-02 | 珠海格力电器股份有限公司 | Air port device and air pipe machine |
| CN107441843A (en) * | 2017-09-30 | 2017-12-08 | 东方电气风电有限公司 | A kind of wind-driven generator ventilation filter |
| CN116928776A (en) * | 2023-09-18 | 2023-10-24 | 江苏环亚医用科技集团股份有限公司 | Self-maintenance type air delivery pipeline with internal flow direction and flow regulating unit |
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Application publication date: 20150909 |