CN106321504B - A method of it takes into account to neutralization fastener shaft stream impeller of pump and it is monitored in real time - Google Patents
A method of it takes into account to neutralization fastener shaft stream impeller of pump and it is monitored in real time Download PDFInfo
- Publication number
- CN106321504B CN106321504B CN201610844928.7A CN201610844928A CN106321504B CN 106321504 B CN106321504 B CN 106321504B CN 201610844928 A CN201610844928 A CN 201610844928A CN 106321504 B CN106321504 B CN 106321504B
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- China
- Prior art keywords
- impeller
- laser
- pump
- blade wheel
- wheel chamber
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
-
- 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
Abstract
It takes into account the present invention relates to a kind of to the method for neutralizing fastener shaft stream impeller of pump and being monitored in real time to it, including positioning pin, blade wheel chamber, pump shaft, bearing column and the impeller being mounted on pump shaft, the impeller hub of the impeller is equipped with tapered hole, tapered hole is small in the hole of pump shaft side, and the hole in impeller hub side is big；Positioning pin and tapered hole taper having the same, are inserted in tapered hole by positioning pin, fasten impeller hub and pump shaft；The bearing column is equipped with gland axis push-pull screw；The laser emitter that a dismountable beam diameter is 10 um is equipped among the positioning pin, the impeller is indoor to be equipped with laser pickoff, and laser pickoff is connect with signal processing system, and laser pickoff feeds back receiving data rate onto monitoring host computer.Through the invention, the centering of axial-flow pump impeller and blade wheel chamber can accurately be accomplished to the method for neutralizing fastening using this patent axial-flow pump impeller.
Description
Technical field
It takes into account the present invention relates to a kind of to neutralization fastener shaft stream impeller of pump and to the method that it is monitored in real time, belongs to water
Sharp engineering, power engineering technology field.
Background technique
Axial-flow pump impeller outer diameter and concentric, the same diameter of blade wheel chamber's center spherical surface requirement, but impeller outer diameter and blade wheel chamber center
Spherical surface can not just be installed later with diameter, so usually impeller outer diameter turning tens small (1 millimeter=100) is pacified again
Dress, will encounter difficulties during installation, and whether with blade wheel chamber spherical surface concentric, often through right if can not accurately determine impeller center
Claim frontier fortress's equal thickness ruler to determine, be difficult to accomplish the higher centering of precision by the empirically determined centering of installer, but in this way,
If impeller is not or not blade wheel chamber center, the operational efficiency of water pump assembly can not only have a greatly reduced quality, waste of resource, and will cause and set
The offset of enumeration, impeller internal fluidised form is bad, phenomena such as vortex, Secondary Flow occurs, increases vibration, noise, the abrasion of unit, shadow
Efficient, the safe and stable operation of entire pump installation is rung, so accurate impeller centering is most important to axial-flow pump device.Simultaneously
Water can be flow backwards when axial-flow pump compressor emergency shutdown, and impeller can invert, easily cause in this way impeller fall off or impeller center it is inclined
It moves, is also necessary so increasing clamp device.A method of it takes into account to fastener shaft stream impeller of pump is neutralized, makes axial-flow pump leaf
Wheel centering effect is good more to be fastened again, the bad operation conditions of water pump caused by reducing because of installation.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems in the prior art, provide one kind to take into account to neutralization fastener shaft stream impeller of pump simultaneously
The method that it is monitored in real time.
The object of the present invention is achieved like this, and one kind is taken into account to neutralization fastener shaft stream impeller of pump and supervised in real time to it
The method of control, it is characterized in that: including positioning pin, blade wheel chamber, pump shaft, bearing column and the impeller being mounted on pump shaft, the leaf
The impeller hub of wheel is equipped with tapered hole, and tapered hole is small in the hole of pump shaft side, and the hole in impeller hub side is big；Positioning pin with
Tapered hole taper having the same, is inserted in tapered hole by positioning pin, fastens impeller hub and pump shaft；It is set in the bearing column
There is gland axis push-pull screw；
The laser emitter that a dismountable beam diameter is 10 um, the blade wheel chamber are equipped among the positioning pin
Interior is equipped with laser pickoff, and laser pickoff is connect with signal processing system, and laser pickoff arrives receiving data rate feedback
On monitoring host computer；
When carrying out blade wheel chamber's assembling, pump shaft and impeller relative position have been fixed, and open the Laser emission in positioning pin
Device carries out judging centering effect, such as by laser receptance received by laser pickoff that laser transmitter projects go out
Fruit does not receive the either smaller gland axis push-pull screw that can be adjusted in the bearing column of axial-flow pump device of receiving data rate,
It can make impeller and pump shaft while carry out axial movement, until laser pickoff swashing of receiving that laser emitter launched
Light data rate is good, then it is assumed that impeller center is overlapped with blade wheel chamber's sphere centre.
The blade wheel chamber is equipped with blade wheel chamber's pin, and laser pickoff is set in blade wheel chamber's pin.
The gland axis push-pull screw includes the first gland axis push-pull screw, the second gland axis push-pull screw.
The power supply line of the laser emitter can be also built-in by pump spindle center access, and the power supply of laser pickoff can
With external also built-in outside blade wheel chamber.
Referring in the present invention in, blade wheel chamber's sphere centre and impeller center were overlapped.
Structure of the invention is reasonable, manufacture is easy to use, and the invention patent is led to after impeller is mounted on an axle fixed position
Drilling machine is crossed, the zero graduation line position on impeller hub opens up the hole with certain taper, which is pump shaft side opening
Small, wheel hub side opening is big, the positioning pin of simultaneous processing one same taper, fastens impeller hub and pump shaft, interior among positioning pin
It sets a dismountable beam diameter and is the laser emitter of 10 um, while marking its sphere centre when processing blade wheel chamber
One aperture laser pickoff as small as possible is installed simultaneously out, laser pickoff is connect with signal processor, data transfer rate
It feeds back on monitoring host computer, when carrying out blade wheel chamber's assembling, axis and impeller relative position have been fixed, and need to only be opened in positioning pin
Laser emitter, by laser transmitter projects go out laser receptance received by laser pickoff carry out judgement pair
Middle effect, if not receiving the smaller gland axis push-and-pull that can be adjusted in the bearing column of axial-flow pump device of either data transfer rate
Screw rod can make impeller and axis while carry out axial movement, until laser pickoff receives laser emitter and launched
Laser data rate it is good, then it is assumed that impeller center is overlapped with blade wheel chamber's sphere centre, it is subsequent be completed after, water pump assembly
Axial-flow pump impeller center and blade wheel chamber's sphere centre position can also be monitored in real time by this method when being operated,
It finds the problem timely to be handled.The power supply line of laser emitter can be also built-in by pump spindle center access, swashs
The power supply of optical receiver can be external also built-in outside blade wheel chamber, and process is simple, easy to operate.
The utility model has the advantages that can accurately accomplish axial-flow pump leaf to the method for neutralizing fastening using this patent axial-flow pump impeller
The centering of wheel and blade wheel chamber, while to the fastening effect of impeller, and can be by computer to the axial-flow pump being currently running
It takes turns the centering with blade wheel chamber to be monitored in real time, the pump efficiency caused by misaligning because of impeller with blade wheel chamber can be eliminated in this way
It is low, noise can also be reduced, the cost of maintenance and replacement is reduced, improves the economy and security and stability of pumping station operation.
To sum up, through the invention, the method that (1) devises a kind of axial-flow pump impeller and blade wheel chamber's centering, has filled up the country
Outside to the blank of this research.(2) a kind of reasonable axial-flow pump impeller fastening method is devised.(3) a kind of easily behaviour is devised
The method of the axial-flow pump impeller of work and blade wheel chamber's centering monitoring.
The invention patent have found it is a kind of take into account to neutralizing fastener shaft stream impeller of pump and the method that is monitored in real time to it,
So that axial-flow pump impeller not only centering but also blade wheel chamber center can be stabilized in, has filled up both at home and abroad to the blank of this research, applicable surface
Extensively, it can guarantee the operation of water pump assembly efficiently, stable, safe.
With the implementation of construction and the national large pumping station technological transformation of South-to-North Water Transfer Project, large quantities of pumping plants need
It is updated transformation, in transformation process, water pump vane and blade wheel chamber will certainly be replaced, need to carry out impeller and blade wheel chamber during this
Accurate centering, therefore the application and implementation of this patent, it will bring huge economic and social benefit.
Detailed description of the invention
Fig. 1 is the device of the invention overall schematic.
Fig. 2 is part impeller schematic diagram of the invention.
Fig. 3 is positioning pin and laser emitter partial schematic diagram of the invention.
Fig. 4 is blade wheel chamber's pin and laser pickoff partial schematic diagram of the invention.
Fig. 5 is signal processing system schematic diagram of the invention.
In figure: 1 positioning pin, 2 laser emitters, 3 blade wheel chamber's pins, 4 laser pickoffs, 5 blade wheel chamber, 6 impellers, 7 impellers
Wheel hub, 8 pump shafts, 9 bearing columns, 10 first gland axis push-pull screws, 11 second gland axis push-pull screws.
Specific embodiment
Below in conjunction with attached drawing and Detailed description of the invention, the present invention is further illustrated.
An inner small and outside big tapered hole is opened up at 7 center of axial-flow pump impeller wheel hub, simultaneous processing one is therewith
The matched pin (positioning pin 1) with taper, and a beam diameter is set as the laser emitter 2 of 10 um, equally wherein interior
Method also open up an inner small and outside big tapered hole in 5 sphere centre of blade wheel chamber, the matching band cone of processing one
The pin (blade wheel chamber's pin 3) of degree sets a laser pickoff 4 wherein interior.All processing components require to add on numerical control bed
Work completes, reduction error as far as possible, accomplishes accurately impeller 6 and 5 centering of blade wheel chamber.
Specifically: a method of it takes into account to neutralization fastener shaft stream impeller of pump and it is monitored in real time, including positioning
Cone is arranged in pin 1, blade wheel chamber 5, pump shaft 8, bearing column 9 and the impeller 6 being mounted on pump shaft 8 on the impeller hub 7 of impeller 6
Hole is spent, tapered hole is small in the hole of 8 side of pump shaft, and the hole in 7 side of impeller hub is big；Positioning pin 1 and tapered hole are having the same
Taper is inserted in tapered hole by positioning pin 1, fastens impeller hub 7 and pump shaft 8；The bearing column 9 is pushed and pulled equipped with gland axis
Screw rod；Gland axis push-pull screw includes the first gland axis push-pull screw 10, the second gland axis push-pull screw 11.
The laser emitter 2 that one dismountable beam diameter is 10 um is set among positioning pin 1, in blade wheel chamber 5
Setting laser pickoff 4, blade wheel chamber's pin 3 specially is set in blade wheel chamber 5, laser pickoff 4 is set to blade wheel chamber's pin 3
It is interior.Laser pickoff 4 is connect with signal processing system, and laser pickoff 4 feeds back receiving data rate onto monitoring host computer；
When carrying out the assembling of blade wheel chamber 5, pump shaft 8 and 6 relative position of impeller have been fixed, and open the laser in positioning pin 1
Transmitter 2, the laser receptance received by laser pickoff 4 launched by laser emitter 2 carry out judgement centering
Effect, if not receiving the gland axis in the either smaller bearing column 9 that can adjust axial-flow pump device of receiving data rate
Push-pull screw (including first gland axis push-pull screw 10, the second gland axis push-pull screw 11) can make impeller 6 and pump shaft 8 same
The movement of Shi Jinhang axial direction, until to receive the laser data rate that laser emitter 2 is launched good for laser pickoff 4, then
Think that 6 center of impeller is overlapped with blade wheel chamber 5 sphere centre.
The power supply line of the laser emitter 2 can access also built-in, the electricity of laser pickoff 4 by 8 center of pump shaft
It source can be external also built-in outside blade wheel chamber 5.
Claims (3)
1. a kind of take into account to the method for neutralizing fastener shaft stream impeller of pump and being monitored in real time to it, it is characterized in that: including positioning
(1), blade wheel chamber (5), pump shaft (8), bearing column (9) and the impeller (6) being mounted on pump shaft (8) are sold, the impeller (6)
Impeller hub (7) is equipped with tapered hole, and tapered hole is small in the hole of pump shaft (8) side, and the hole in impeller hub (7) side is big；It is fixed
Position pin (1) and tapered hole taper having the same, are inserted in tapered hole by positioning pin (1), fasten impeller hub (7) and pump shaft
(8)；The bearing column (9) is equipped with gland axis push-pull screw；
The laser emitter (2) that a dismountable beam diameter is 10 um, the impeller are equipped among the positioning pin (1)
Laser pickoff (4) are equipped in room (5)；The laser emitter (2) in the positioning pin (1) and perpendicular to pump shaft (8) axis,
The extended line of laser emitter (2) center line passes through impeller (6) center；The blade wheel chamber (5) is equipped with blade wheel chamber's pin (3), swashs
Optical receiver (4) is set in blade wheel chamber's pin (3) and perpendicular to pump shaft (8) axis, the extension of laser pickoff (4) center line
Line passes through impeller (6) center；The laser pick-off of laser emitter (2) the laser emission port center face laser pickoff (4)
Hole center, laser emitter (2) are located at impeller hub (7) center, and laser pickoff (4) is located at blade wheel chamber (5) sphere centre, swash
Optical receiver (4) is connect with signal processing system, and laser pickoff (4) feeds back receiving data rate onto monitoring host computer；
When carrying out blade wheel chamber (5) assembling, pump shaft (8) and impeller (6) relative position have been fixed, and are opened in positioning pin (1)
Laser emitter (2), the laser receptance received by laser pickoff (4) launched by laser emitter (2) into
Whether row judges centering, if not receiving the either smaller bearing column that can adjust axial-flow pump device of receiving data rate
(9) the gland axis push-pull screw on can make impeller (6) and pump shaft (8) while carry out axial movement, until laser pickoff
(4) it is good to receive the laser data rate that laser emitter (2) is launched, then it is assumed that impeller (6) center and blade wheel chamber (5) ball
Face center is overlapped.
It a kind of is taken into account to neutralizing fastener shaft stream impeller of pump and the side that is monitored in real time to it 2. according to claim 1
Method, it is characterized in that: the gland axis push-pull screw includes the first gland axis push-pull screw (10), the second gland axis push-pull screw
(11).
It a kind of is taken into account to neutralizing fastener shaft stream impeller of pump and the side that is monitored in real time to it 3. according to claim 1
Method, it is characterized in that: the power supply line of the laser emitter (2) can access also built-in, laser pick-off by pump shaft (8) center
The power supply of device (4) can be external also built-in outside blade wheel chamber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844928.7A CN106321504B (en) | 2016-09-23 | 2016-09-23 | A method of it takes into account to neutralization fastener shaft stream impeller of pump and it is monitored in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844928.7A CN106321504B (en) | 2016-09-23 | 2016-09-23 | A method of it takes into account to neutralization fastener shaft stream impeller of pump and it is monitored in real time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321504A CN106321504A (en) | 2017-01-11 |
| CN106321504B true CN106321504B (en) | 2019-03-05 |
Family
ID=57819919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610844928.7A Active CN106321504B (en) | 2016-09-23 | 2016-09-23 | A method of it takes into account to neutralization fastener shaft stream impeller of pump and it is monitored in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321504B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0016643A1 (en) * | 1979-03-21 | 1980-10-01 | McQUAY-PERFEX INC. | Impeller and shaft assembly for high speed gas compression |
| DE19814485A1 (en) * | 1998-04-01 | 1999-10-07 | Gwj Engineering Gbr Dipl Ing G | Multistage turbofan for a carbon dioxide laser |
| CN202402338U (en) * | 2011-12-08 | 2012-08-29 | 上海邦浦实业集团有限公司 | Novel positioning structure of double suction pump impeller |
| CN202937462U (en) * | 2012-12-11 | 2013-05-15 | 上海水泵制造有限公司 | Dive mixed-flow pump with axial position capable of being adjusted and fixed |
| RU2487272C1 (en) * | 2011-12-09 | 2013-07-10 | Общество с ограниченной ответственностью "Нефтекамский машиностроительный завод" (ООО "НКМЗ") | Rotary pump with gap-free attachment of impeller and end seals to rotor shaft and method of improving pump performances |
| CN104179643A (en) * | 2014-08-14 | 2014-12-03 | 江苏新誉重工科技有限公司 | Automatic centering control device and centering method thereof |
| CN105414777A (en) * | 2014-09-16 | 2016-03-23 | 霍尼韦尔国际公司 | Turbocharger shaft and wheel assembly |
-
2016
- 2016-09-23 CN CN201610844928.7A patent/CN106321504B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0016643A1 (en) * | 1979-03-21 | 1980-10-01 | McQUAY-PERFEX INC. | Impeller and shaft assembly for high speed gas compression |
| DE19814485A1 (en) * | 1998-04-01 | 1999-10-07 | Gwj Engineering Gbr Dipl Ing G | Multistage turbofan for a carbon dioxide laser |
| CN202402338U (en) * | 2011-12-08 | 2012-08-29 | 上海邦浦实业集团有限公司 | Novel positioning structure of double suction pump impeller |
| RU2487272C1 (en) * | 2011-12-09 | 2013-07-10 | Общество с ограниченной ответственностью "Нефтекамский машиностроительный завод" (ООО "НКМЗ") | Rotary pump with gap-free attachment of impeller and end seals to rotor shaft and method of improving pump performances |
| CN202937462U (en) * | 2012-12-11 | 2013-05-15 | 上海水泵制造有限公司 | Dive mixed-flow pump with axial position capable of being adjusted and fixed |
| CN104179643A (en) * | 2014-08-14 | 2014-12-03 | 江苏新誉重工科技有限公司 | Automatic centering control device and centering method thereof |
| CN105414777A (en) * | 2014-09-16 | 2016-03-23 | 霍尼韦尔国际公司 | Turbocharger shaft and wheel assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106321504A (en) | 2017-01-11 |
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