CN108958299A - A kind of intelligent support device and method of real-time adjustment rotor center height - Google Patents
A kind of intelligent support device and method of real-time adjustment rotor center height Download PDFInfo
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- CN108958299A CN108958299A CN201810764057.7A CN201810764057A CN108958299A CN 108958299 A CN108958299 A CN 108958299A CN 201810764057 A CN201810764057 A CN 201810764057A CN 108958299 A CN108958299 A CN 108958299A
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- rotor
- intelligent
- bearing
- adjustment
- center height
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of intelligent support devices of rotor center height of adjustment in real time, the adjustable support construction of absolute altitude including being symmetrically connected on rotor, one end of rotor is connected to variable-frequency motor by shaft coupling, the adjustable support construction of absolute altitude includes the mobile bearing being connected on rotor and the bearing block for fixing mobile bearing, the both ends of rotor are connected with displacement sensor, displacement sensor is connected to intelligent controller by digital analog converter, the output end of intelligent controller is connected to mobile bearing by digital analog converter, and the intelligent controller can keep two displacement sensor institute detection datas identical by controlling mobile bearing.The operation stability of rotating machinery not only can be improved in the present invention, is also beneficial to modern rotating technology and develops to automation, high revolving speed and high efficiency direction.
Description
Technical field
The present invention relates to the centering problems of large rotor system axle journal, and in particular to a kind of adjustment rotor center height in real time
Intelligent support device and method, be particularly suitable for what the rotor center as caused by processing, installation or thermal deformation misaligned
Radially slide support.
Background technique
Rotor misalignment problem is the common fault type of high-speed rotating machine.Since rotating machinery working condition is complicated,
Fretting wear, thermal deformation or axle journal deflection deformation etc. may occur at work for rotor, and it is not right that these can be such that rotor occurs
Middle problem.Rotating machinery misaligning for major part and rotor of breaking down is related.The failure that misaligns of rotor mainly includes bearing
It misaligns and coupling misalignment.Its middle (center) bearing misaligns and is divided into bearing block absolute altitude and misaligns and misaligns with drift angle.Shaft coupling
It misaligns and Parallel misalignment can be divided into, angle misaligns and misaligns three kinds of situations with angle in parallel.It is not right when there is bearing
When middle, the equilbrium position of rotor-support-foundation system changes, and the load change that bearing is born, excessive misaligns, and will cause rotor production
It is raw to touch the even Oil Film Instability that rubs.When there is coupling misalignment, rotor generates additional bending moment and shearing force, this meeting in junction
Shaft strength situation is caused to change, the amplitude of axle journal increases, and operation can seriously affect rotating machinery under such conditions for a long time
Safe and stable operation.Rotating machinery is generally using fixed support system at present, in the process of running due to installation error or
When thermal deformation causes generation bearing to misalign, fixed supporting seat can not adjust the centre-height of rotor, can not be according to rotor reality
The operating status on border makes adjusting operation, and at this moment rotor is in misalign and run under operating condition, it is possible that axle journal vibration is excessive,
The grave dangers accident such as damage of the bearing or rotor deflection deformation.
Summary of the invention
The purpose of the present invention is to provide the intelligent support devices and method of a kind of rotor center height of adjustment in real time, with solution
Certainly due to the rotor misalignment problem occurred in processing, installation error or operating, the present invention be may be implemented in continuous operation item
Part lowers the centre-height of turn over, and the security and stability of rotor-support-foundation system is maintained to run.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of intelligent support device of real-time adjustment rotor center height, the absolute altitude including being symmetrically connected on rotor is adjustable
Support construction, one end of rotor is connected to variable-frequency motor by shaft coupling, and the adjustable support construction of absolute altitude includes connection
The both ends of mobile bearing on rotor and the bearing block for fixing mobile bearing, rotor are connected with displacement sensing
Device, displacement sensor are connected to intelligent controller by digital analog converter, and the output end of intelligent controller passes through digital analog converter
It is connected to mobile bearing, and the intelligent controller can be such that two displacement sensors are detected by controlling mobile bearing
Data are identical.
Further, mass block is connected in the middle part of rotor.
Further, the side of rotor Yu mobile bearing link position is arranged in institute's displacement sensors.
Further, the mobile bearing includes the removable bearing shell being connected on rotor and is connected to movable axle
Wedge block watt between bearing block, by wedge block move horizontally be able to drive removable bearing shell in bearing block on
Lower slider, and then rotor is driven to move up and down.
Further, it is connected on wedge block for controlling its control motor moved horizontally, the control motor is logical
Digital analog converter is crossed to be connected with the output end of intelligent controller.
Further, the control motor is servo motor.
It is a kind of it is real-time adjustment rotor center height intelligent method for supporting, when rotor in the process of running, displacement sensor
The position signal of rotor is acquired, and passes to intelligent controller after signal is converted by digital analog converter, intelligent controller is logical
That crosses calculating analytical judgment rotor misaligns operating condition, then issues control instruction, control mobile bearing slides up and down, final to adjust
The absolute altitude of bearings seat is adjusted by the mutual cooperation of bearings at both ends seat, adjusts the situation that misaligns of rotor, and adjustment process is completed
Afterwards, displacement sensor continues to monitor the position signal of rotor, if rotor is not up to centering requirement, intelligent controller continues to correct axis
The absolute altitude for holding seat, until meeting working condition requirement.
Further, the mobile bearing includes the removable bearing shell being connected on rotor and is connected to movable axle
Wedge block watt between bearing block, by wedge block move horizontally be able to drive removable bearing shell in bearing block on
Lower slider, and then rotor is driven to move up and down.
Further, it is connected on wedge block for controlling its control motor moved horizontally, the control motor is logical
Digital analog converter is crossed to be connected with the output end of intelligent controller.
Further, intelligent controller misaligns operating condition by calculating analytical judgment rotor, then issues control instruction,
Make to control the horizontal sliding that motor rotates and then drives wedge block, wedge block pushes removable bearing shell to slide up and down, finally
Adjust the absolute altitude of bearing block.
Compared with prior art, the invention has the following beneficial technical effects:
For apparatus of the present invention during rotor operation, displacement sensor acquires the position signal of rotor, and signal is passed through
Intelligent controller is passed to after digital analog converter conversion, intelligent controller misaligns operating condition by calculating analytical judgment rotor,
Then control instruction is issued, control mobile bearing slides up and down, and the final absolute altitude for adjusting bearing block passes through bearings at both ends seat
It cooperates and adjusts, adjust the situation that misaligns of rotor, after the completion of adjustment process, displacement sensor continues to monitor the position of rotor
Signal, if rotor is not up to centering requirement, intelligent controller continues to correct the absolute altitude of bearing block, is until meeting working condition requirement
Only, the present invention can adjust the absolute altitude of bearing block under the conditions of continuously running, and be cooperated by two absolute altitude adjustable bearing bases,
Improve rotor center misaligns situation, misaligns situation by intelligent controller real-time monitoring rotor center, obtains in time
The position signal of rotor, in addition has the function of Intelligence Feedback, judges rotor centering situation by calculating, constantly amendment absolute altitude,
Reach job requirement.
Further, mobile bearing includes removable bearing shell and wedge block, connection control motor, intelligence on wedge block
It can control device and operating condition misaligned by calculating analytical judgment rotor, then issue control instruction, make to control motor rotation in turn
The horizontal sliding of wedge block is driven, wedge block pushes removable bearing shell to slide up and down, the final absolute altitude for adjusting bearing block, this
The absolute altitude of sample bearing block just changes, and the centering situation of rotor is improved.
Further, the quality disk installed among rotor can be used to the load of model rotor system.By adjusting quality
The weight of disk changes the critical speed of rotor-support-foundation system, simulates the kinetic characteristics of different loads lower rotor part system.
Further, displacement sensor is mounted near two bearing blocks, and bearing block is mounted on the both ends of rotor.Displacement passes
Sensor is mounted on the position signal that precise acquisition rotor is capable of in this position, when rotor occurs misaligning situation, displacement sensing
Device can accurate measurements to rotor misalign situation.
The operation stability of rotating machinery not only can be improved by adjustment rotor center height in real time in the method for the present invention,
Modern rotating technology is also beneficial to develop to automation, high revolving speed and high efficiency direction.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is mobile bearing structural schematic diagram.
Wherein: 1, displacement sensor；2, bearing block；3, mobile bearing；4, quality disk；5, rotor；6, shaft coupling；7, become
Frequency motor；8, bearing shell is moved；9, intelligent controller；10, wedge block；11, motor is controlled.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing:
Referring to Fig. 1 and Fig. 2, a kind of intelligent support device of real-time adjustment rotor center height, which includes that absolute altitude can
The support construction and intelligent control circuit two parts of tune, the adjustable support construction of absolute altitude are divided into mobile bearing 3 and bearing block 2,
Mobile bearing 3 is mounted on inside bearing block 2, realizes the effect for changing 2 absolute altitude of bearing block；In intelligent control circuit, two
Displacement sensor 1 is separately mounted to 5 both ends of rotor, and displacement sensor 1 is mounted near bearing block 3, and with intelligent controller 9
It is connected, for acquiring the height at 5 both ends center of rotor, judges the centering situation of rotor 5, intelligent controller 9 can be according to reception
Position signal judge the situation that misaligns of rotor 5, then issue control instruction, make to control motor 11 and turn an angle drive
The horizontal sliding of wedge block 10, wedge block 10 push removable bearing shell 8 to slide up and down, and final realize adjusts two ends of rotor axis
Hold the absolute altitude of seat 2.The centering situation of rotor can be monitored in real time in the device, can be with when the working condition of rotor changes
The absolute altitude of bearings seat is lowered in continuous duty, achievees the purpose that rotor centering.
Mobile bearing 3 includes moving bearing shell 8 and wedge block 10, can by the drive that moves horizontally of wedge block 10
Mobile bearing shell 8 slides up and down inside bearing block 2, and two displacement sensors 1 are separately mounted near bearing block 2, can be acquired
The position signal of rotor 5, intelligent controller 9 have operation arbitration functions, by controlling to adjust the absolute altitude of two bearing blocks 2, change
What kind rotor 5 occurred in the operating condition misaligns problem.
In apparatus of the present invention, if due to processing, installation error or there is rotor 5 in the process of running and misaligning,
The displacement sensor 1 at 5 both ends of rotor can acquire the position signal of rotor 5, and signal is transferred to intelligent control by measure loop
Device 9, intelligent controller 9 by operation judge rotor whether centering, if it is judged that misaligning, intelligent controller 9 issues control
System instructs and issues alarm signal.Intelligent controller 9 adjusts 2 inside mobile bearing 3 of bearing block by machine driven system
Highly, the absolute altitude of such bearing block just changes, and the centering situation of rotor 5 is improved.If after adjusting absolute altitude, rotor 5
Also be not up to the requirement of centering, intelligent controller 9 will continue to be judged according to 5 position signal of rotor rotor 5 whether centering, then into
One successive step bearing block absolute altitude, until reaching centering working condition requirement.
Operating process of the invention is described in detail below:
It is a kind of it is real-time adjustment rotor center height intelligent support device, the device include the adjustable support construction of absolute altitude and
Intelligent control circuit two parts；Wherein the adjustable support construction of absolute altitude is divided into mobile bearing 3 and bearing block 2, mobile bearing 3
Including removable bearing shell 8 and wedge block 10, removable bearing shell 8 be may be implemented by moving horizontally for wedge block 10 in bearing
It is slided up and down inside seat 2；In intelligent control circuit, displacement sensor 1 is mounted on the both ends of rotor 5, and with intelligent controller 9
It is connected.Intelligent controller 9 can control servo motor rotation, and rotary motion is then converted into horizontal movement by lead screw, lead to
Moving horizontally for wedge block 10 is crossed, it is final to drive sliding up and down for mobile bearing 3.Rotor 5 in the process of running, due to peace
Dress, mismachining tolerance or thermal deformation cause rotor center to misalign, and are believed by the position that displacement sensor 1 acquires rotor
Number, and signal is passed to intelligent controller 9, intelligent controller 9 makes intelligent decision according to signal, controls two bearing blocks 2
Mutual cooperation adjusting elevation, improve rotor bearing misaligns problem.The centering of rotor center can be monitored in real time in the device
Situation misaligns once receiving signal discovery rotor, adjusts the absolute altitude of bearing block at once, it is ensured that rotating machinery is steady safely
Fixed operation.
Absolute altitude adjustable intelligent support device is by adjusting the high method of 5 bearings at both ends coordinate of rotor, not to rotor center
Centering situation is adjusted, and can reduce misaligned as caused by processing, installation error or thermal deformation to a certain extent
Problem.In addition intelligent controller 9 has automatic regulation function, passes through the position signal of real-time monitoring rotor, constantly adjustment rotor
Center optimizes the operating status of rotor-support-foundation system, improves the reliability and stability of rotating machinery.
As shown in Figure 1, adjustable two bearing blocks 2 of absolute altitude are separately mounted to the both ends of rotor 5, have inside bearing block 2
Mobile bearing 3, mobile bearing 3 include removable bearing shell 8 and wedge block 10, move bearing shell 8 and pass through wedge block 10
Move horizontally and may be implemented to slide up and down inside bearing block 2；Displacement sensor 1 is separately mounted near bearing block 2, in real time
Acquire the position signal of rotor 5.When rotor 5 in the process of running, due to thermal deformation or deflection deformation etc. occur it is not right
When middle situation, displacement sensor 1 acquires the position signal of rotor 5, and signal is passed to intelligent controller 9, intelligent controller 9
It analyzes and determines that rotor misaligns operating condition by calculating, then issues control instruction, control servo motor turns an angle band
The horizontal sliding of dynamic wedge block 10, wedge block 10 push removable bearing shell 8 to slide up and down and then move mobile bearing 3
Dynamic, the final absolute altitude for adjusting bearing block 2 is adjusted by the mutual cooperation of bearings at both ends seat, and improve rotor misaligns situation.It adjusts
After the completion of section process, displacement sensor 1 continues to monitor the position signal of rotor 5, if rotor is not up to centering requirement, intelligence is controlled
Device 9 processed continues to correct the absolute altitude of bearing block, until meeting working condition requirement.
Claims (10)
1. a kind of intelligent support device of the rotor center height of adjustment in real time, which is characterized in that including being symmetrically connected to rotor (5)
On the adjustable support construction of absolute altitude, one end of rotor (5) is connected to variable-frequency motor (7) by shaft coupling (6), and the absolute altitude can
The support construction of tune includes being connected to the mobile bearing (3) on rotor (5) and the bearing for fixing mobile bearing (3)
Seat (2), the both ends of rotor (5) are connected with displacement sensor (1), and displacement sensor (1) is connected to intelligence by digital analog converter
The output end of controller (9), intelligent controller (9) is connected to mobile bearing (3) by digital analog converter, and the intelligence control
Device (9) processed can keep two displacement sensor (1) institute detection datas identical by controlling mobile bearing (3).
2. a kind of intelligent support device of rotor center height of adjustment in real time according to claim 1, which is characterized in that turn
Mass block (4) are connected in the middle part of sub (5).
3. a kind of intelligent support device of rotor center height of adjustment in real time according to claim 1, which is characterized in that institute
Displacement sensors are arranged on the side of rotor (5) and mobile bearing (3) link position.
4. a kind of intelligent support device of rotor center height of adjustment in real time according to claim 1, which is characterized in that institute
Mobile bearing (3) are stated to include the removable bearing shell (8) being connected on rotor (5) and be connected to removable bearing shell (8) and axis
The wedge block (10) between seat (2) is held, removable bearing shell (8) is able to drive in axis by moving horizontally for wedge block (10)
It holds in seat (2) and slides up and down, and then rotor (5) is driven to move up and down.
5. a kind of intelligent support device of rotor center height of adjustment in real time according to claim 4, which is characterized in that wedge
It is connected on shape sliding block (10) for controlling its control motor (11) moved horizontally, the control motor (11) is turned by digital-to-analogue
Parallel operation is connected with the output end of intelligent controller (9).
6. a kind of intelligent support device of rotor center height of adjustment in real time according to claim 5, which is characterized in that institute
Stating control motor (11) is servo motor.
7. a kind of intelligent method for supporting of the rotor center height of adjustment in real time, using real-time adjustment rotor described in claim 1
The intelligent support device of centre-height, which is characterized in that when rotor (5) in the process of running, displacement sensor (1) acquire rotor
(5) position signal, and passed to intelligent controller (9) after signal is converted by digital analog converter, intelligent controller (9) is logical
That crosses calculating analytical judgment rotor (5) misaligns operating condition, then issues control instruction, and control mobile bearing (3) slides up and down,
The final absolute altitude for adjusting bearing block (2) is adjusted by the mutual cooperation of bearings at both ends seat (2), and adjust rotor misaligns situation,
After the completion of adjustment process, displacement sensor (1) continues to monitor the position signal of rotor (5), if rotor (5) is not up to centering and wants
It asks, intelligent controller (9) continues to correct the absolute altitude of bearing block (2), until meeting working condition requirement.
8. a kind of intelligent method for supporting of rotor center height of adjustment in real time according to claim 7, which is characterized in that institute
Mobile bearing (3) are stated to include the removable bearing shell (8) being connected on rotor (5) and be connected to removable bearing shell (8) and axis
The wedge block (10) between seat (2) is held, removable bearing shell (8) is able to drive in axis by moving horizontally for wedge block (10)
It holds in seat (2) and slides up and down, and then rotor (5) is driven to move up and down.
9. a kind of intelligent method for supporting of rotor center height of adjustment in real time according to claim 8, which is characterized in that wedge
It is connected on shape sliding block (10) for controlling its control motor (11) moved horizontally, the control motor (11) is turned by digital-to-analogue
Parallel operation is connected with the output end of intelligent controller (9).
10. a kind of intelligent method for supporting of rotor center height of adjustment in real time according to claim 9, which is characterized in that
Intelligent controller (9) misaligns operating condition by calculating analytical judgment rotor (5), then issues control instruction, makes to control motor
(11) the horizontal sliding of wedge block (10) is rotated and then drives, wedge block (10) pushes removable bearing shell (8) to slide up and down,
The final absolute altitude for adjusting bearing block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764057.7A CN108958299A (en) | 2018-07-12 | 2018-07-12 | A kind of intelligent support device and method of real-time adjustment rotor center height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764057.7A CN108958299A (en) | 2018-07-12 | 2018-07-12 | A kind of intelligent support device and method of real-time adjustment rotor center height |
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| Publication Number | Publication Date |
|---|---|
| CN108958299A true CN108958299A (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810764057.7A Pending CN108958299A (en) | 2018-07-12 | 2018-07-12 | A kind of intelligent support device and method of real-time adjustment rotor center height |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542558A (en) * | 2019-09-03 | 2019-12-06 | 宁波达尔机械科技有限公司 | Rotor detection device and detection method thereof |
| CN112325754A (en) * | 2020-11-03 | 2021-02-05 | 杭州集智机电股份有限公司 | Mechanical centering measuring device for high-speed balancing machine swing frame |
| CN113029560A (en) * | 2021-03-09 | 2021-06-25 | 安徽工程大学 | Adaptive high-precision RV reducer performance testing device and control method thereof |
| CN114039468A (en) * | 2021-11-05 | 2022-02-11 | 中国能源建设集团江苏省电力建设第一工程有限公司 | Dynamic feedback system for rotor mounting position of large generator set |
| CN116337332A (en) * | 2023-05-26 | 2023-06-27 | 哈尔滨电机厂有限责任公司 | Measure turbo generator rotor dynamic balance equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110542558A (en) * | 2019-09-03 | 2019-12-06 | 宁波达尔机械科技有限公司 | Rotor detection device and detection method thereof |
| CN112325754A (en) * | 2020-11-03 | 2021-02-05 | 杭州集智机电股份有限公司 | Mechanical centering measuring device for high-speed balancing machine swing frame |
| CN113029560A (en) * | 2021-03-09 | 2021-06-25 | 安徽工程大学 | Adaptive high-precision RV reducer performance testing device and control method thereof |
| CN114039468A (en) * | 2021-11-05 | 2022-02-11 | 中国能源建设集团江苏省电力建设第一工程有限公司 | Dynamic feedback system for rotor mounting position of large generator set |
| CN116337332A (en) * | 2023-05-26 | 2023-06-27 | 哈尔滨电机厂有限责任公司 | Measure turbo generator rotor dynamic balance equipment |
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Application publication date: 20181207 |
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