CN203925868U - A kind of water turbine machinery is overrun and is flown to put checking apparatus - Google Patents
A kind of water turbine machinery is overrun and is flown to put checking apparatus Download PDFInfo
- Publication number
- CN203925868U CN203925868U CN201420358759.2U CN201420358759U CN203925868U CN 203925868 U CN203925868 U CN 203925868U CN 201420358759 U CN201420358759 U CN 201420358759U CN 203925868 U CN203925868 U CN 203925868U
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- China
- Prior art keywords
- overrun
- crossbeam
- water turbine
- motor
- flown
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000013459 approach Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000012795 verification Methods 0.000 abstract description 16
- 238000012360 testing method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- 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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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a kind of water turbine machinery and overrun and fly to put checking apparatus, comprise motor (1), working platform (2) and motor control assembly; Motor (1) is fixed on working platform (2) by bolt assembly; Wherein, speed measuring fluted disc (6) and crossbeam (7) are installed in the rotating shaft of motor (1); The length of crossbeam (7) equates with water turbine major axial diameter; Near on the working platform (2) of speed measuring fluted disc (6) external diameter, be provided with approach switch II (5); In the rotation outer radius near crossbeam (7), be provided with approach switch I (3); Described motor control assembly comprises air-break switch QF, frequency variator (9), speed measurement device (10) and auxiliary reclay KA.The utility model is simple and practical, and effectively having solved overruns in hydroelectric power station flies the problem that pendulum cannot verification, has guaranteed the safe and reliable operation of hydroelectric power unit.
Description
Technical field
The utility model belongs to electric power system hydroelectric power unit turbine technology field, has related in particular to a kind ofly for water turbine machinery, to overrun and fly that pendulum is difficult to the problem of verification and the water turbine machinery that proposes is overrun flies to put checking apparatus.
Background technique
Water turbine machinery is overrun and is flown pendulum and be last one overspeed protection of the electric overspeed protection of water wheels unit after malfunctioning, most important to the protection of water turbine.Machinery is overrun, and real machine test is general only to be carried out when unit operation, therefore whether operating machinery is overrun and flown pendulum device and move and normally just need to check to realize by device.Therefore, people have designed some and for overrunning, have flown to put the device of verification, if Chinese Patent Application No. is 201320084473.5 to disclose a kind of water wheels unit umbellate form machinery and fly pendulum-type overspeed protection device verification platform, comprise base, motor and control gear, motor is arranged on base, the rotating speed of motor is adjustable, base is provided with support, support is provided with mounting structure, in the rotating shaft of motor, be also provided with drive mechanism, on motor, be also provided with for measuring the rotating coder of the rotating speed of motor, the output terminal of rotating coder is electrically connected to the input end of control gear, the input end of control gear can be electrically connected to the step switch that is flown pendulum-type overspeed protection device by the machinery of verification.This technological scheme preferably resolves the problem that umbellate form machinery flies to put overspeed protection verification, still, its restricted application, and the well Simulated Water wheel unit action of overrunning, the result of verification is not necessarily applicable to various water turbine machinery and overruns and fly to swing work.
Therefore, be still badly in need of in the market being a kind ofly applicable to various water turbine machinery and overrunning and fly checking apparatus that swing to do, thereby realize, to overrunning, fly the object that pendulum carries out verification.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of machinery that adapts to the large shaft size of our factory's water turbine to overrun and flies to put checking apparatus, thereby fly pendulum to overrunning, carries out verification.
To achieve these goals, the utility model has adopted following technological scheme:
Water turbine machinery is overrun and is flown to put a checking apparatus, comprises motor, working platform and motor control assembly; Described motor is fixed on working platform by bolt assembly; Speed measuring fluted disc and crossbeam are installed in the rotating shaft of described motor; The length of described crossbeam equates with water turbine major axial diameter; Near on the working platform of speed measuring fluted disc external diameter, be provided with approach switch II; In the rotation outer radius near crossbeam, be provided with approach switch I; Described motor control assembly comprises air-break switch QF, frequency variator, speed measurement device and auxiliary reclay KA; Described motor is electrically connected to electrical source of power through frequency variator, air-break switch QF; Described speed measurement device is electrically connected to air-break switch QF; After connecting with approach switch I, described auxiliary reclay KA is electrically connected to air-break switch QF; Described approach switch II is connected with the signals collecting end of speed measurement device.
The utility model is by adopting Frequency Converter Control motor to rotate, drive speed measuring fluted disc and crossbeam-rotating, the length of crossbeam equates with our factory's water turbine major axial diameter, one end of crossbeam is installed to overrun and is flown pendulum, the other end is installed one and is flown to put equiponderant balancing weight with overrunning, adopt approach switch to measure respectively and fly the action that rotation is fast and fly to put, directly on frequency-changer operation panel, control the rotating speed of motor.In the utility model, the said equipment centralized arrangement, in laboratory, has met in hydroelectric power station water turbine machinery and has overrun and fly to put verification requirement; Package unit is simple and practical, and effectively having solved overruns in hydroelectric power station flies the problem that pendulum cannot verification, has guaranteed the safe and reliable operation of hydroelectric power unit.
As of the present utility model, further illustrate, described crossbeam is fixedly mounted in the rotating shaft of motor by coupling shaft.By coupling shaft, install, be convenient to different length crossbeam to be arranged in the rotating shaft of motor, make this device there is better applicability.
As of the present utility model, further illustrate, described speed measuring fluted disc is fixed by welding on coupling shaft.Adopt welding manner, can guarantee that the rotating speed of speed measuring fluted disc and crossbeam are consistent, can collect accurately overruns flies to swing the rotary speed data of doing.
As of the present utility model, further illustrate, one end installation machinery of described crossbeam is overrun and is flown pendulum device, and the other end is installed with machinery and overrun and flies the equiponderant balancing weight of pendulum device.Guarantee that the two ends of crossbeam are in state of equilibrium, guarantee the reliability of verification test.
In the utility model, the assembling part such as motor, air-break switch, approach switch, frequency variator, auxiliary reclay and speed measurement device all can be by buying on market, and its model is not particularly limited, as long as can realize corresponding function.
In the utility model, be arranged on the approach switch I near the rotation outer radius of crossbeam, can adopt the installation carriers such as standing tree or riser or body of wall to install, be not specifically limited, as long as approach switch I can be arranged on, can respond to that to fly to put the variation of spool just passable.
Working procedure of the present utility model (working principle):
The machinery that needs verification is overrun and flown the two ends that pendulum device and balancing weight are arranged on respectively crossbeam, can switch on power, by driven by motor speed measuring fluted disc and crossbeam-rotating; Then by the operation panel of frequency variator, control the rotating speed of motor, when rise of rotational speed flies the working value of pendulum to overrunning, flying to put spool protrudes, being arranged near crossbeam-rotating circumference approach switch I senses and flies to put the variation of spool and move, it opens junction closure, auxiliary reclay action on loop, sends and flies to put actuating signal.Meanwhile, approach switch II to speed measurement device, makes the rotating speed that speed measurement device can real time record motor by the rotating speed Real-time Collection of speed measuring fluted disc.
Compared with prior art, the beneficial effect that the utility model possesses:
1. in the utility model; adopted a crossbeam equating with water turbine major axial diameter to overrun and fly the mounting mechanism of pendulum device as machinery; Simulated Water turbine machinery that can be more true to nature is overrun and is flown pendulum; adopt approach switch I to obtain to overrun the actuating signal that flies pendulum simultaneously; make the result of verification more accurately and reliably, further verified the overrun reliability of electic protection of water turbine units.
2. on the coupling shaft of crossbeam, weld a speed measuring fluted disc, adopt approach switch II to test the speed simultaneously, can know and fly accurately to swing the rotating speed of doing, for checking experiment provides more laboratory data.
3. the utility model is simple in structure, safe and reliable, and equipment investment cost is low, has very large practical application promotional value.
Accompanying drawing explanation
Fig. 1 is the structural representation of related mechanical part in the utility model one embodiment.
Fig. 2 is the circuit theory diagrams of related control section in the utility model one embodiment.
Reference character: 1-motor, 2-working platform, 3-approach switch I, 4-machinery is overrun and is flown pendulum device, 5-approach switch II, 6-speed measuring fluted disc, 7-crossbeam, 8-balancing weight, 9-frequency variator, 10-speed measurement device; QF-air-break switch, KA-auxiliary reclay.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated, but protection domain of the present utility model is not only confined to following examples.
Embodiment:
Water turbine machinery is overrun and is flown to put a checking apparatus, comprises motor 1, working platform 2 and motor control assembly; Described motor 1 is fixed on working platform 2 by bolt assembly; Wherein: speed measuring fluted disc 6 and crossbeam 7 are installed in the rotating shaft of described motor 1; The length of described crossbeam 7 equates with water turbine major axial diameter; Near on the working platform 2 of speed measuring fluted disc 6 external diameters, be provided with approach switch II 5; In the rotation outer radius near crossbeam 7, be provided with approach switch I 3; Described motor control assembly comprises air-break switch QF, frequency variator 9, speed measurement device 10 and auxiliary reclay KA; Described motor 1 is electrically connected to electrical source of power through frequency variator 9, air-break switch QF; Described speed measurement device 10 is electrically connected to air-break switch QF; After connecting with approach switch I 3, described auxiliary reclay KA is electrically connected to air-break switch QF; Described approach switch II 5 is connected with the signals collecting end of speed measurement device 10.
In the present embodiment, described crossbeam 7 is fixedly mounted in the rotating shaft of motor 1 by coupling shaft.Described speed measuring fluted disc 6 is fixed by welding on coupling shaft.One end installation machinery of described crossbeam 7 is overrun and is flown pendulum device 4, and the other end is installed with machinery and overrun and flies the equiponderant balancing weight 8 of pendulum device 4.
The water turbine machinery of the present embodiment is overrun and is flown to put checking apparatus centralized arrangement in laboratory, has met in hydroelectric power station water turbine machinery and has overrun and fly to put verification requirement; And package unit is simple and practical, effectively having solved overruns in hydroelectric power station flies the problem that pendulum cannot verification, has guaranteed the safe and reliable operation of hydroelectric power unit.
Claims (4)
1. water turbine machinery is overrun and is flown to put a checking apparatus, comprises motor (1), working platform (2) and motor control assembly; Described motor (1) is fixed on working platform (2) by bolt assembly; It is characterized in that: speed measuring fluted disc (6) and crossbeam (7) are installed in the rotating shaft of described motor (1); The length of described crossbeam (7) equates with water turbine major axial diameter; Near on the working platform (2) of speed measuring fluted disc (6) external diameter, be provided with approach switch II (5); In the rotation outer radius near crossbeam (7), be provided with approach switch I (3); Described motor control assembly comprises air-break switch QF, frequency variator (9), speed measurement device (10) and auxiliary reclay KA; Described motor (1) is electrically connected to electrical source of power through frequency variator (9), air-break switch QF; Described speed measurement device (10) is electrically connected to air-break switch QF; After connecting with approach switch I (3), described auxiliary reclay KA is electrically connected to air-break switch QF; Described approach switch II (5) is connected with the signals collecting end of speed measurement device (10).
2. water turbine machinery according to claim 1 is overrun and is flown to put checking apparatus, it is characterized in that: described crossbeam (7) is fixedly mounted in the rotating shaft of motor (1) by coupling shaft.
3. water turbine machinery according to claim 2 is overrun and is flown to put checking apparatus, it is characterized in that: described speed measuring fluted disc (6) is fixed by welding on coupling shaft.
4. water turbine machinery according to claim 1 is overrun and is flown to put checking apparatus, it is characterized in that: one end installation machinery of described crossbeam (7) is overrun and flown pendulum device (4), and the other end is installed with machinery and overrun and flies the equiponderant balancing weight of pendulum device (4) (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358759.2U CN203925868U (en) | 2014-06-30 | 2014-06-30 | A kind of water turbine machinery is overrun and is flown to put checking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358759.2U CN203925868U (en) | 2014-06-30 | 2014-06-30 | A kind of water turbine machinery is overrun and is flown to put checking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925868U true CN203925868U (en) | 2014-11-05 |
Family
ID=51821689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358759.2U Expired - Fee Related CN203925868U (en) | 2014-06-30 | 2014-06-30 | A kind of water turbine machinery is overrun and is flown to put checking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483621A (en) * | 2021-06-06 | 2021-10-08 | 中国长江电力股份有限公司 | Device and method for accurately adjusting mechanical over-speed flying motion value of hydroelectric generating set |
-
2014
- 2014-06-30 CN CN201420358759.2U patent/CN203925868U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483621A (en) * | 2021-06-06 | 2021-10-08 | 中国长江电力股份有限公司 | Device and method for accurately adjusting mechanical over-speed flying motion value of hydroelectric generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |