CN104807539A - Impeller blade vibration detecting device - Google Patents
Impeller blade vibration detecting device Download PDFInfo
- Publication number
- CN104807539A CN104807539A CN201510216756.4A CN201510216756A CN104807539A CN 104807539 A CN104807539 A CN 104807539A CN 201510216756 A CN201510216756 A CN 201510216756A CN 104807539 A CN104807539 A CN 104807539A
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- CN
- China
- Prior art keywords
- motor
- impeller blade
- rotation axis
- rotary shaft
- detecting device
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses an impeller blade vibration detecting device which comprises a base, a motor and a test platform. The motor and the test platform are mounted on the base, the test platform comprises a support and a rotary shaft, the rotary shaft is mounted on the support via bearing blocks, to-be-measured blades are mounted at one end of the rotary shaft, resistance strain gauges are mounted on the blades, a rotary wheel is arranged at the other end of the rotary shaft and is in transmission connection with a flywheel on the motor by a belt, a circuit board is arranged in the middle of the rotary shaft, a wire hole is formed in the middle of the rotary shaft, and the circuit board is connected with external equipment by a wire in the wire hole. The impeller blade vibration detecting device has the advantages that the blades of impellers can be driven by the motor to rotate after the impellers are fixed onto the bearing blocks of the detecting device, corresponding test data are connected to the external test equipment by the resistance strain gauges via the wire and are recorded by the external test equipment after being processed by the aid of the circuit board, the resistance strain gauges are distributed on the blades, accordingly, the impeller blade vibration detecting device is simple in structure, reasonable in design, high in measurement accuracy and wide in application range, and the vibration data of the blades of the impellers can be quickly and effectively detected.
Description
Technical field
The present invention relates to a kind of blade detection apparatus, particularly a kind of impeller blade vibration detection device.
Background technology
In wind power generating set, impeller is made up of wheel hub and blade.Wind is through impeller, and impeller is rotated, thus drive electrical generators rotates, and is electric energy by wind energy transformation.Now, require there is enough large windward side during wheel rotation, to extract abundant energy from wind; Meanwhile, when wind speed is excessive, can automatically adjust blade Windward angle, avoid because of stressed excessive and damage machinery.Blade, in rotation process, also can produce corresponding vibration, if the amplitude of vibration is excessive, the speed of wheel rotation can be affected, also can reduce the serviceable life of impeller blade, therefore simultaneously, after installation blade, need to test through corresponding blade vibration, avoid issuable negative effect.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of impeller blade vibration detection device that can solve the problem.
The present invention in order to the technical scheme solving its technical matters and adopt is: a kind of impeller blade vibration detection device, the motor comprising base and be arranged on base and test platform, described test platform is by support and rotation axis, described rotation axis is rack-mount by bearing seat, tested blade is installed in one end of rotation axis, blade installs resistance strain gage, the other end of rotation axis is provided with rotor wheel, described rotor wheel connects the flywheel on motor by belt gear, the centre of described rotation axis is provided with circuit board and wire guide, circuit board connects external unit by the wire in wire guide.
As a further improvement on the present invention, the end of one end of described rotation axis is also provided with transmitting terminal, and transmitting terminal is by wireless-transmission network connection data processing enter.
As a further improvement on the present invention, described motor is reducing motor.
The invention has the beneficial effects as follows: after on the bearing seat that impeller is fixed on pick-up unit by impeller blade vibration detection device of the present invention, by motor impeller blade rotation, corresponding test data is wired to external test facility record by the resistance strain gage be distributed on blade after circuit board process, structure of the present invention is simple, reasonable in design, measuring accuracy is high, fast and effeciently can detect the vibration data of impeller blade, applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Indicate in figure: 1-base; 2-motor; 3-support; 4-rotation axis; 5-bearing seat; 6-blade; 7-resistance strain gage; 8-rotor wheel; 9-belt; 10-flywheel; 11-circuit board; 12-wire guide; 13-transmitting terminal.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Fig. 1 shows a kind of embodiment of a kind of impeller blade of the present invention vibration detection device, the motor 2 comprising base 1 and be arranged on base 1 and test platform, described test platform is by support 3 and rotation axis 4, described rotation axis 4 is arranged on support 3 by bearing seat 5, tested blade 6 is installed in one end of rotation axis 4, blade 6 is installed resistance strain gage 7, the other end of rotation axis 4 is provided with rotor wheel 8, the flywheel 10 that described rotor wheel 8 is in transmission connection on motor 2 by belt 9, the centre of described rotation axis 4 is provided with circuit board 11 and wire guide 12, circuit board 11 connects external unit by the wire in wire guide 12.The end of one end of described rotation axis 4 is also provided with transmitting terminal 13, and transmitting terminal 13 is by wireless-transmission network connection data processing enter.Described motor 2 is reducing motor.
Claims (3)
1. an impeller blade vibration detection device, it is characterized in that: comprise base (1) and the motor (2) that is arranged on base (1) and test platform, described test platform is by support (3) and rotation axis (4), described rotation axis (4) is arranged on support (3) by bearing seat (5), tested blade (6) is installed in one end of rotation axis (4), blade (6) is installed resistance strain gage (7), the other end of rotation axis (4) is provided with rotor wheel (8), the flywheel (10) that described rotor wheel (8) is in transmission connection on motor (2) by belt (9), the centre of described rotation axis (4) is provided with circuit board (11) and wire guide (12), circuit board (11) connects external unit by the wire in wire guide (12).
2. impeller blade vibration detection device according to claim 1, it is characterized in that: the end of one end of described rotation axis (4) is also provided with transmitting terminal (13), and transmitting terminal (13) is by wireless-transmission network connection data processing enter.
3. impeller blade vibration detection device according to claim 1, is characterized in that: described motor (2) is reducing motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216756.4A CN104807539A (en) | 2015-04-30 | 2015-04-30 | Impeller blade vibration detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216756.4A CN104807539A (en) | 2015-04-30 | 2015-04-30 | Impeller blade vibration detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104807539A true CN104807539A (en) | 2015-07-29 |
Family
ID=53692569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510216756.4A Pending CN104807539A (en) | 2015-04-30 | 2015-04-30 | Impeller blade vibration detecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104807539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928679A (en) * | 2016-04-26 | 2016-09-07 | 沈阳工程学院 | Vibration property measurement experiment device for mistuned bladed-disk system |
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| US6629463B2 (en) * | 2000-10-10 | 2003-10-07 | Snecma Moteurs | Acoustic inspection of one-piece bladed wheels |
| JP2006284331A (en) * | 2005-03-31 | 2006-10-19 | Tokai Rubber Ind Ltd | Rubber sensor and vibration detection method using it |
| CN101122541A (en) * | 2007-08-03 | 2008-02-13 | 东方电气集团东方汽轮机有限公司 | Turbine blade vibration test method and device |
| CN201285276Y (en) * | 2008-10-31 | 2009-08-05 | 广东工业大学 | On-line detection apparatus for rotating vane vibration |
| CN101846547A (en) * | 2010-05-11 | 2010-09-29 | 无锡风电设计研究院有限公司 | Vibration detecting device of wind-driven generator |
| CN102944418A (en) * | 2012-12-11 | 2013-02-27 | 东南大学 | Wind turbine generator group blade fault diagnosis method |
| CN103353383A (en) * | 2013-07-31 | 2013-10-16 | 沈阳工程学院 | Experimental apparatus for testing vibration mode of simulated impeller of turbine |
-
2015
- 2015-04-30 CN CN201510216756.4A patent/CN104807539A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6629463B2 (en) * | 2000-10-10 | 2003-10-07 | Snecma Moteurs | Acoustic inspection of one-piece bladed wheels |
| JP2006284331A (en) * | 2005-03-31 | 2006-10-19 | Tokai Rubber Ind Ltd | Rubber sensor and vibration detection method using it |
| CN101122541A (en) * | 2007-08-03 | 2008-02-13 | 东方电气集团东方汽轮机有限公司 | Turbine blade vibration test method and device |
| CN201285276Y (en) * | 2008-10-31 | 2009-08-05 | 广东工业大学 | On-line detection apparatus for rotating vane vibration |
| CN101846547A (en) * | 2010-05-11 | 2010-09-29 | 无锡风电设计研究院有限公司 | Vibration detecting device of wind-driven generator |
| CN102944418A (en) * | 2012-12-11 | 2013-02-27 | 东南大学 | Wind turbine generator group blade fault diagnosis method |
| CN103353383A (en) * | 2013-07-31 | 2013-10-16 | 沈阳工程学院 | Experimental apparatus for testing vibration mode of simulated impeller of turbine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928679A (en) * | 2016-04-26 | 2016-09-07 | 沈阳工程学院 | Vibration property measurement experiment device for mistuned bladed-disk system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150729 |
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| WD01 | Invention patent application deemed withdrawn after publication |