CN108799179A - The experimental rig and its test method of the motor-driven regulating mechanism of air inducing - Google Patents
The experimental rig and its test method of the motor-driven regulating mechanism of air inducing Download PDFInfo
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- CN108799179A CN108799179A CN201810818035.4A CN201810818035A CN108799179A CN 108799179 A CN108799179 A CN 108799179A CN 201810818035 A CN201810818035 A CN 201810818035A CN 108799179 A CN108799179 A CN 108799179A
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- air inducing
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- 230000001939 inductive effect Effects 0.000 title claims abstract description 45
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 42
- 238000010998 test method Methods 0.000 title claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 238000010338 mechanical breakdown Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000007864 suspending Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to dynamic fluid machineries, more particularly to a kind of experimental rig and its test method of the motor-driven regulating mechanism of air inducing, air inducing motor-driven regulating mechanism is installed on test-bed, it is equipped with motor fixing frame above the motor-driven regulating mechanism of air inducing, motor is mounted on motor fixing frame, and the output shaft of motor is sequentially connected big rotating cylinder, cylinder barrel；The dynamic piston shaft for adjusting hydraulic cylinder is connected by the axle journal of spindle flange, Rotary tray and journal bearing, and the bearing block of journal bearing is fixed in the counterbore of test-bed panel；Clearance seal between flow cylinder and piston shaft lower end；It is also opened on flow cylinder there are three hydraulic fluid port, two oil circuit holes respectively lead to two chambers above and below in the dynamic cylinder barrel for adjusting hydraulic cylinder, and hydraulic pressure oil supply cylinder and oil extraction are adjusted to be dynamic.The experimental rig and its test method of the motor-driven regulating mechanism of the air inducing can realize that controlled blade of forced-draft-fan mechanism is completed at the same time axial movement high-speed rotating, can preferably simulate actual condition, complete test requirements document, reach test objective.
Description
Technical field
The present invention relates to the experimental rigs and its experiment side of dynamic fluid machinery more particularly to a kind of motor-driven regulating mechanism of air inducing
Method.
Background technology
Air-introduced machine is a kind of driven fluid machinery as one of most important ancillary equipment of heat power plant boiler.It is led
Gas pressure and dispatch gas are improved by mechanical energy, to achieve the purpose that ventilation, air inducing.Large electric power plant machine in recent years
Organize the axle induced-draft fan based on generally using in a manner of hydraulic cylinder.Change blade angle by hydraulic system to change wind turbine tune
Save characteristic curve.Processing and manufacturing required precision is higher, and structure is relative complex, but it is sensitive with adjusting, power consumption is low and operation
The features such as efficient.Service wear and the vibration of wind turbine are alleviated to a certain extent.Therefore, the adjusting based on hydraulic regulation
Mode by be the control of following air-introduced machine developing direction, but in the actual motion of thermal power plant, air-introduced machine connects for a long time due to being in
Continuous working condition, running environment is severe, and failure rate is higher, movable vane piece regulating device failure be the common failure of axial id fan it
One.
Axial id fan is so that the performance curve (a series of operating point) of wind turbine is moved using the established angle for adjusting movable vane piece
Position.Changing movable vane established angle is performed by movable vane controlling mechanism, performance curve and different movable vane established angles and air duct
Performance curve is related, and if desired flow and pressure head increase, and only need to increase movable vane established angle；Otherwise only it need to reduce movable vane established angle.
It before the manufacture of dynamic regulating mechanism, needs to do experiment, simulates actual condition, can dispatch from the factory into in-site installation ring after reaching actual requirement
Section.
Invention content
In order to solve the above technical problems, the present invention provides a kind of experimental rig of the motor-driven regulating mechanism of air inducing and its experiment sides
Method, in the industrial production, the device can realize that controlled blade of forced-draft-fan mechanism is completed at the same time axial movement high-speed rotating, can be preferable
Actual condition is simulated, test requirements document is completed, reaches test objective.The experimental rig and its test method of the motor-driven regulating mechanism of the air inducing
Have the characteristics that response is rapid, reliability is high, assembly is simple, economical and practical.
The experimental rig of the motor-driven regulating mechanism of air inducing, including test-bed are equipped with the motor-driven regulating mechanism of air inducing on test-bed,
Motor fixing frame is equipped with above the motor-driven regulating mechanism of air inducing, motor is mounted on motor fixing frame, and is connected with the motor-driven regulating mechanism of air inducing
It connects；
The motor-driven regulating mechanism of air inducing includes dynamic tune hydraulic cylinder and flow cylinder two parts, the dynamic tune hydraulic cylinder packet
Cylinder barrel is included, piston and piston shaft are equipped in cylinder barrel, the piston is fixedly connected with piston shaft upper end, moves the cylinder barrel for adjusting hydraulic cylinder
It is moved up and down on piston, piston axial position is fixed；Cylinder barrel cavity is divided into two chambers up and down by piston；
The test-bed includes panel, important actor and base board；Base board tiles on the ground；Important actor lower end and base board
It is connected, upper end is connected with panel；The center of panel is opened there are one counterbore, and counterbore is interior to install journal bearing, the motor-driven tune of air inducing
The flow cylinder of mechanism passes through journal bearing；
The output shaft of motor connects big rotating cylinder by key block, and big rotating cylinder is driven to be rotated along Pivot Point Center line, big rotating cylinder
It is fixedly connected by ring flange coaxial inner conductor with the dynamic cylinder barrel for adjusting hydraulic cylinder；The peace of coaxial inner conductor on the dynamic piston shaft for adjusting hydraulic cylinder
There are one spindle flange, spindle flanges to be fixedly connected with Rotary tray coaxial inner conductor for dress, the axle journal of Rotary tray and journal bearing
The bearing block of interference fit, journal bearing is fixed in the counterbore of test-bed panel；The dynamic piston and piston shaft adjusted in hydraulic cylinder
It is rotated with cylinder barrel；
Clearance seal between the flow cylinder and the dynamic piston shaft lower end for adjusting hydraulic cylinder, flow cylinder not with piston
Axis transfer；It is also opened on flow cylinder there are three hydraulic fluid port, respectively hydraulic fluid port A, hydraulic fluid port B and unloading port P, hydraulic fluid port A and hydraulic fluid port B distinguish
It is connected with two oil circuit holes in piston shaft, two oil circuit holes respectively lead to two chambers above and below in the dynamic cylinder barrel for adjusting hydraulic cylinder, respectively
For the rodless cavity on top and the rod chamber of lower part, hydraulic pressure oil supply cylinder and oil extraction are adjusted to be dynamic.
Further, motor fixing frame includes cylinder hollow cylinder, anti-rotation guide rod and holder；Cylinder hollow jacket casing is in motor
Outside, and both sides are provided with closed guide groove；Cylinder hollow cylinder is fixed by four bracket-suspendings, and one end of holder and cylinder are empty
Heart cylinder is fixed, and the other end is fixed on the panel of test-bed；One end of anti-rotation guide rod is fixed with motor housing, other end
Across guide groove, fixed motor housing.
The motor-driven regulating mechanism of air inducing is mounted on experimental rig by the test method of the experimental rig of the motor-driven regulating mechanism of air inducing,
Motor drives the dynamic cylinder barrel for adjusting hydraulic cylinder of the motor-driven regulating mechanism of air inducing to rotate by cylinder hollow cylinder；And the dynamic piston for adjusting hydraulic cylinder and
Piston shaft is rotated with cylinder barrel；Speed governing is until reach the rotating speed required by actual condition step by step；After slow-roll stabilization, control is watched
Valve is taken to the hydraulic fluid port A of flow cylinder for high pressure oil, high pressure oil enters the dynamic nothing for adjusting hydraulic cylinder by the oil circuit hole in piston shaft
Rod cavity；Piston is fixed on piston shaft one, piston shaft on the panel of test-bed, and piston cannot move up and down, and is moved and is adjusted liquid
Cylinder pressure cylinder barrel stretches out upwards under the action of high pressure oil；Motor is under the action of anti-rotation guide rod with dynamic tune Barrel of Hydraulic Cylinders one
It rises and is moved up in cylinder hollow cylinder；
When it is dynamic adjust Barrel of Hydraulic Cylinders to extend out to highest order when, by control servo valve to flow cylinder hydraulic fluid port B for height
Pressure oil, high pressure oil enter the dynamic rod chamber for adjusting hydraulic cylinder by the oil circuit hole on piston shaft；Under the action of high pressure oil, moves and adjust
Barrel of Hydraulic Cylinders moves down；Check for during the test oil leak, whether there is or not mechanical breakdown and record the motor-driven regulating mechanism of air inducing
Property indices, carry out the housekeeping of test result.
The beneficial effects of the present invention are：
1, the experimental rig of the motor-driven regulating mechanism of the air inducing and test method can simulate the motor-driven regulating mechanism of air inducing in practice
The operating mode that high speed can also move axially while rotation provides the quality assurance before manufacture for product；Experimental rig knot
Structure is simple, and reliability improves, at low cost, is conducive to marketing；
2, the design of motor fixing frame changes the common fixed form of motor；Cylinder hollow cylinder is supported with holder
Get up, motor is placed in cylinder hollow cylinder, recycles anti-rotation guide rod to be connected between motor housing and rack, make motor
Radial position is relatively fixed, but can be realized and be moved up and down；To realize the motor-driven regulating mechanism of air inducing while high speed rotation also
The working condition requirement that can be moved axially；
3, using journal bearing is installed on test-bed, so that the axle journal of bearing is passed through interference fit with Rotary tray and be connected
It connects, the dynamic spindle flange adjusted on hydraulic cylinder piston axis is bolted with Rotary tray again；The bearing block of journal bearing is fixed
In the counterbore of test-bed panel；Entire dynamic regulating mechanism can either be supported by this structure, and can make to adjust liquid
Piston and piston shaft in cylinder pressure are rotated with cylinder barrel, additionally it is possible to reach by rotary part (the dynamic cylinder barrel for adjusting hydraulic cylinder, plug and
Piston shaft) with purpose that rotary part (flow cylinder) does not separate.
Description of the drawings
Fig. 1 is the experimental rig structural schematic diagram of the present invention
Specific implementation mode
Below in conjunction with attached drawing detailed description of the present invention specific embodiment.
As shown in Figure 1, the experimental rig of the motor-driven regulating mechanism of air inducing, it is characterised in that：Including test-bed 11, test-bed
The motor-driven regulating mechanism of air inducing is installed on 11, is equipped with motor fixing frame above the motor-driven regulating mechanism of air inducing, motor 3 is fixed mounted on motor
On frame, and it is connect with the motor-driven regulating mechanism of air inducing；
The motor-driven regulating mechanism of air inducing includes dynamic tune hydraulic cylinder and 10 two parts of flow cylinder, the dynamic tune hydraulic cylinder
Including cylinder barrel, it is equipped with piston 7 and piston shaft 12 in cylinder barrel, the piston 7 is fixedly connected with 12 upper end of piston shaft, is moved and is adjusted hydraulic pressure
The cylinder barrel of cylinder moves up and down on piston 7, and 7 axial position of piston is fixed；Cylinder barrel cavity is divided to by piston 7 for upper and lower two chamber；
The test-bed 11 includes panel, important actor and base board；Base board tiles on the ground；Important actor lower end and pedestal
Plate is connected, and upper end is connected with panel；The center of panel is opened there are one counterbore, and counterbore is interior to install journal bearing 9, and air inducing is motor-driven
The flow cylinder 10 of regulating mechanism passes through journal bearing 9；
The output shaft of motor 3 connects big rotating cylinder 5 by key block, and big rotating cylinder 5 is driven to be rotated along Pivot Point Center line, big to turn
Cylinder 5 is fixedly connected with the dynamic cylinder barrel for adjusting hydraulic cylinder by 6 coaxial inner conductor of ring flange；It is concentric on the dynamic piston shaft 12 for adjusting hydraulic cylinder
There are one spindle flange 13, spindle flanges 13 to be fixedly connected with 8 coaxial inner conductor of Rotary tray for the installation of line, Rotary tray 8 and diameter
It is interference fitted to the axle journal 91 of bearing 9, the bearing block 92 of journal bearing 9 is fixed in the counterbore of 11 panel of test-bed；It is dynamic to adjust liquid
Piston 7 and piston shaft 12 in cylinder pressure are rotated with cylinder barrel；
When motor 3 rotates, the output shaft of motor 3 drives big rotating cylinder 5 to rotate together, and big rotating cylinder 5 adjusts hydraulic cylinder with dynamic
Cylinder barrel is bolted, to be rotated together with moveable cylinder；The dynamic piston shaft 12 for adjusting hydraulic cylinder passes through spindle flange 13, rotation
Pallet 8 and the axle journal 91 of journal bearing 9 are interference fitted, so the dynamic piston 7 adjusted in hydraulic cylinder and piston shaft 12 can be with cylinder barrels
It rotates together.The experimental rig and test method can meet the cylinder barrel of the dynamic tune hydraulic cylinder of the motor-driven regulating mechanism of air inducing, piston and
The operating mode that piston shaft rotates together.
Clearance seal between the flow cylinder 10 and dynamic 12 lower end of piston shaft for adjusting hydraulic cylinder, flow cylinder 10 is not
With 12 transfer of piston shaft；Hydraulic fluid port there are three also being opened on flow cylinder 10, respectively hydraulic fluid port A, hydraulic fluid port B and unloading port P, hydraulic fluid port A
It is connected respectively with two oil circuit holes in piston shaft 12 with hydraulic fluid port B, two oil circuit holes are respectively led in the dynamic cylinder barrel for adjusting hydraulic cylinder
Upper and lower two chamber, the respectively rod chamber of the rodless cavity on top and lower part adjust hydraulic pressure oil supply cylinder and oil extraction to be dynamic；
Motor fixing frame includes cylinder hollow cylinder 1, anti-rotation guide rod 2 and holder 4；Cylinder hollow cylinder 1 is sleeved on outside motor 3
Face, and both sides are provided with closed guide groove；Cylinder hollow cylinder 1 is suspended vacantly by four holders 4, one end of holder 4 and cylinder
Hollow cylinder 1 is fixed, and the other end is fixed on the panel of test-bed 11；One end of anti-rotation guide rod 2 is fixed with 3 shell of motor,
Other end passes through guide groove, and fixed motor housing, motor housing does not revolve and then the shaft of guarantee motor 3 together when rotated
Turn, while ensureing dynamic tune hydraulic cylinder when upper and lower flexible, motor 3 can move up and down together therewith.
The motor-driven regulating mechanism of air inducing is mounted on experimental rig by the test method of the experimental rig of the motor-driven regulating mechanism of air inducing,
Motor 3 drives the dynamic cylinder barrel for adjusting hydraulic cylinder of the motor-driven regulating mechanism of air inducing to rotate by cylinder hollow cylinder 1；And the dynamic piston for adjusting hydraulic cylinder
7 and piston shaft 12 rotated with cylinder barrel；Speed governing is until reach the rotating speed required by actual condition step by step；After slow-roll stabilization,
Servo valve is controlled to the hydraulic fluid port A of flow cylinder 10 for high pressure oil, high pressure oil enters dynamic adjust by the oil circuit hole in piston shaft 12
The rodless cavity of hydraulic cylinder；Piston 7 is fixed on 12 one of piston shaft, piston shaft 12 on the panel of test-bed 11, and piston 7 is not
It can move up and down, it is dynamic that Barrel of Hydraulic Cylinders is adjusted to be stretched out upwards under the action of high pressure oil；Motor 3 is under the action of anti-rotation guide rod 2
As dynamic tune Barrel of Hydraulic Cylinders moves up in cylinder hollow cylinder 1 together；
When dynamic tune Barrel of Hydraulic Cylinders extend out to highest order, supplied to the hydraulic fluid port B of flow cylinder 10 by controlling servo valve
High pressure oil, high pressure oil enter the dynamic rod chamber for adjusting hydraulic cylinder by the oil circuit hole on piston shaft 12；Under the action of high pressure oil,
It is dynamic that Barrel of Hydraulic Cylinders is adjusted to move down；Check for during the test oil leak, whether there is or not mechanical breakdown and record the motor-driven tune of air inducing
The property indices of mechanism carry out the housekeeping of test result.
Claims (3)
1. the experimental rig of the motor-driven regulating mechanism of air inducing, the motor-driven regulating mechanism of air inducing includes dynamic tune hydraulic cylinder and flow cylinder
(10) two parts, the dynamic tune hydraulic cylinder include cylinder barrel, and piston (7) and piston shaft (12), the piston are equipped in cylinder barrel
(7) it is fixedly connected with piston shaft (12) upper end, the dynamic cylinder barrel for adjusting hydraulic cylinder moves up and down on piston (7), piston (7) axial direction position
Set fixation；Cylinder barrel cavity is divided into two chambers up and down by piston (7)；
It is characterised in that it includes test-bed (11), the motor-driven regulating mechanism of air inducing is mounted on test-bed (11), the motor-driven tune of air inducing
Motor fixing frame is equipped with above mechanism, motor (3) is mounted on motor fixing frame, and is connect with the motor-driven regulating mechanism of air inducing；
The test-bed (11) includes panel, important actor and base board；Base board tiles on the ground；Important actor lower end and base board
It is connected, upper end is connected with panel；The center of panel is opened there are one counterbore, and counterbore is interior to install journal bearing (9), and air inducing is motor-driven
The flow cylinder (10) of regulating mechanism passes through journal bearing (9)；
The output shaft of motor (3) connects big rotating cylinder (5) by key block, and big rotating cylinder (5) is driven to be rotated along Pivot Point Center line, greatly
Rotating cylinder (5) is fixedly connected with the dynamic cylinder barrel for adjusting hydraulic cylinder by ring flange (6) coaxial inner conductor；The dynamic piston shaft (12) for adjusting hydraulic cylinder
There are one spindle flange (13), spindle flanges (13) to be fixedly connected with Rotary tray (8) coaxial inner conductor for the installation of upper coaxial inner conductor,
Rotary tray (8) and the axle journal (91) of journal bearing (9) are interference fitted, and the bearing block (92) of journal bearing (9) fixes testing stand
In the counterbore of frame (11) panel；The dynamic piston (7) adjusted in hydraulic cylinder and piston shaft (12) are rotated with cylinder barrel；
Clearance seal between the flow cylinder (10) and dynamic piston shaft (12) lower end for adjusting hydraulic cylinder, flow cylinder (10)
Not with piston shaft (12) transfer；It is also opened on flow cylinder (10) there are three hydraulic fluid port, respectively hydraulic fluid port A, hydraulic fluid port B and unloading port P,
Hydraulic fluid port A and hydraulic fluid port B is connected with two oil circuit holes in piston shaft (12) respectively, and two oil circuit holes respectively lead to dynamic tune hydraulic cylinder
Two chambers above and below in cylinder barrel, the respectively rod chamber of the rodless cavity on top and lower part adjust hydraulic pressure oil supply cylinder and oil extraction to be dynamic.
2. the experimental rig of the motor-driven regulating mechanism of air inducing according to claim 1, which is characterized in that the motor fixing frame
Including cylinder hollow cylinder (1), anti-rotation guide rod (2) and holder (4)；Cylinder hollow cylinder (1) is sleeved on outside motor (3), and both sides
It is provided with closed guide groove；Cylinder hollow cylinder (1) is suspended vacantly by four holders (4), one end of holder (4) and cylinder hollow
Cylinder (1) is fixed, and the other end is fixed on the panel of test-bed (11)；One end of anti-rotation guide rod (2) and motor (3) shell are solid
Fixed, other end passes through guide groove, fixed motor housing.
3. the test method of the experimental rig of the motor-driven regulating mechanism of air inducing according to claim 1 or 2, which is characterized in that packet
Include following steps：
The motor-driven regulating mechanism of air inducing is mounted on experimental rig, motor (3) drives the motor-driven tune machine of air inducing by cylinder hollow cylinder (1)
The dynamic cylinder barrel rotation for adjusting hydraulic cylinder of structure；And the piston (7) and piston shaft (12) of dynamic tune hydraulic cylinder are rotated with cylinder barrel；It adjusts step by step
Speed is until reach the rotating speed required by actual condition；After slow-roll stabilization, hydraulic fluid port A of the control servo valve to flow cylinder (10)
For high pressure oil, high pressure oil enters the dynamic rodless cavity for adjusting hydraulic cylinder by the oil circuit hole in piston shaft (12)；Piston (7) is with piston shaft
(12) one, piston shaft (12) are fixed on the panel of test-bed (11), and piston (7) cannot move up and down, and are moved and are adjusted hydraulic pressure
Cylinder cylinder barrel stretches out upwards under the action of high pressure oil；Motor (3) is moved upwardly together with dynamic tune Barrel of Hydraulic Cylinders；
When it is dynamic adjust Barrel of Hydraulic Cylinders to extend out to highest order when, by control servo valve to flow cylinder (10) hydraulic fluid port B for height
Pressure oil, high pressure oil enter the dynamic rod chamber for adjusting hydraulic cylinder by the oil circuit hole on piston shaft (12)；Under the action of high pressure oil,
It is dynamic that Barrel of Hydraulic Cylinders is adjusted to move down；Check for during the test oil leak, whether there is or not mechanical breakdown and record the motor-driven tune of air inducing
The property indices of mechanism carry out the housekeeping of test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818035.4A CN108799179B (en) | 2018-07-24 | 2018-07-24 | Test device and test method for induced draft motor adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818035.4A CN108799179B (en) | 2018-07-24 | 2018-07-24 | Test device and test method for induced draft motor adjusting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108799179A true CN108799179A (en) | 2018-11-13 |
| CN108799179B CN108799179B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810818035.4A Active CN108799179B (en) | 2018-07-24 | 2018-07-24 | Test device and test method for induced draft motor adjusting mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN108799179B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6481388B1 (en) * | 1999-04-22 | 2002-11-19 | Komatsu Ltd. | Cooling fan drive control device |
| CN204386932U (en) * | 2015-01-07 | 2015-06-10 | 黄正堃 | Axial-flow blower adjusting rotor blade device |
| CN107762972A (en) * | 2017-12-05 | 2018-03-06 | 武汉思亘远电控设备有限公司 | A kind of self-saturation type axle induced-draft fan movable vane piece adjustment mechanism and its method of work |
| CN207513879U (en) * | 2017-10-09 | 2018-06-19 | 诺文科风机(北京)有限公司 | A kind of ventilating system for adjusting fan improvement mining counter rotating wind turbine is moved with external motor type |
| CN207598578U (en) * | 2017-12-05 | 2018-07-10 | 武汉思亘远电控设备有限公司 | A kind of self-saturation type axle induced-draft fan movable vane piece adjustment mechanism |
-
2018
- 2018-07-24 CN CN201810818035.4A patent/CN108799179B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6481388B1 (en) * | 1999-04-22 | 2002-11-19 | Komatsu Ltd. | Cooling fan drive control device |
| CN204386932U (en) * | 2015-01-07 | 2015-06-10 | 黄正堃 | Axial-flow blower adjusting rotor blade device |
| CN207513879U (en) * | 2017-10-09 | 2018-06-19 | 诺文科风机(北京)有限公司 | A kind of ventilating system for adjusting fan improvement mining counter rotating wind turbine is moved with external motor type |
| CN107762972A (en) * | 2017-12-05 | 2018-03-06 | 武汉思亘远电控设备有限公司 | A kind of self-saturation type axle induced-draft fan movable vane piece adjustment mechanism and its method of work |
| CN207598578U (en) * | 2017-12-05 | 2018-07-10 | 武汉思亘远电控设备有限公司 | A kind of self-saturation type axle induced-draft fan movable vane piece adjustment mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108799179B (en) | 2024-05-03 |
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Effective date of registration: 20240402 Address after: Room 113, Plant 3, No. 32, the Pearl River Road, Development Zone, Yantai Area, China (Shandong) Pilot Free Trade Zone, Yantai City, Shandong Province, 264000 Applicant after: SHANDONG BORUI ROBOT TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 430081 Dongxing Tiandi C-6-2406, Qingshan District, Wuhan City, Hubei Province Applicant before: WUHAN SIGENYUAN ELECTRIC CONTROL EQUIPMENT CO.,LTD. Country or region before: China |
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