JPS5523438A - Supervisory method for vibration of rotation axis - Google Patents
Supervisory method for vibration of rotation axisInfo
- Publication number
- JPS5523438A JPS5523438A JP9613278A JP9613278A JPS5523438A JP S5523438 A JPS5523438 A JP S5523438A JP 9613278 A JP9613278 A JP 9613278A JP 9613278 A JP9613278 A JP 9613278A JP S5523438 A JPS5523438 A JP S5523438A
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- measurement
- amplitude
- measurement positions
- display unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
PURPOSE: To make it possible to supervise the state of each measurement position and the state of all measurement positions by simultaneously displaying information on either vibration amplitude or amplitude variation rate, which surpasses its preset normal value, at the constant position of a display unit as to all measurement positions.
CONSTITUTION: Axis vibrations of bearing 5 of turbine rotors 1, 2 and 3 and generator rotor 4 are detected by vibration pickups 6-1 to 6-8 and digitized by A/D converter 9 by way of vibration signal amplifier 7 and multiplex data input unit 8 before being inputted to operation comparator 10. By vibration signals and rotational-frequency signals at pick-up point of them, operational comparator 10 calculates the vibration amplitude and variation rate as to data of all measurement points. Calculation results are compared with a normal value stored previously in memory unit 11 and then displayed on display unit 13 via controller 12 corresponding to patterns of table 1. In this way, vibration states of each measurement position and all measurement positions can simultaneously be supervised.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9613278A JPS5523438A (en) | 1978-08-09 | 1978-08-09 | Supervisory method for vibration of rotation axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9613278A JPS5523438A (en) | 1978-08-09 | 1978-08-09 | Supervisory method for vibration of rotation axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5523438A true JPS5523438A (en) | 1980-02-19 |
Family
ID=14156856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9613278A Pending JPS5523438A (en) | 1978-08-09 | 1978-08-09 | Supervisory method for vibration of rotation axis |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5523438A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52103739A (en) * | 1976-02-26 | 1977-08-31 | Matsushita Electric Ind Co Ltd | Power source of electronic range |
| JPS56147022A (en) * | 1980-04-17 | 1981-11-14 | Hitachi Ltd | Method and device for discrimination of vibration of revolving shaft |
| JP2017066983A (en) * | 2015-09-30 | 2017-04-06 | 三菱重工業株式会社 | Turbine control device, turbine, and method for reducing vibration value of turbine shaft |
-
1978
- 1978-08-09 JP JP9613278A patent/JPS5523438A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52103739A (en) * | 1976-02-26 | 1977-08-31 | Matsushita Electric Ind Co Ltd | Power source of electronic range |
| JPS56147022A (en) * | 1980-04-17 | 1981-11-14 | Hitachi Ltd | Method and device for discrimination of vibration of revolving shaft |
| JP2017066983A (en) * | 2015-09-30 | 2017-04-06 | 三菱重工業株式会社 | Turbine control device, turbine, and method for reducing vibration value of turbine shaft |
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