CN201569660U - Overspeed testing platform - Google Patents
Overspeed testing platform Download PDFInfo
- Publication number
- CN201569660U CN201569660U CN2009202881709U CN200920288170U CN201569660U CN 201569660 U CN201569660 U CN 201569660U CN 2009202881709 U CN2009202881709 U CN 2009202881709U CN 200920288170 U CN200920288170 U CN 200920288170U CN 201569660 U CN201569660 U CN 201569660U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- frequency
- testing platform
- overspeed
- changing motor
- 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.)
- Expired - Fee Related
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Control Of Turbines (AREA)
Abstract
The utility model provides an overspeed testing platform. The problem to be solved is as follows: the testing platform comprises a direct current motor, a rectifier control cabinet and the like. When the rotation speed of the action of an emergency breaker impacting body is detected, the rising rate can be adjusted only manually, thus being difficult to ensure the stability of the rising rate and having great difference compared with the practical working condition of a power plant; secondarily, the electrical apparatus elements in a control box are seriously aged and eliminated, thus being difficult to be maintained. In the utility model, the key point is characterized by comprising a transmission shaft, a bearing bush, a lubricant station, and a frequency-changing motor; and the frequency-changing motor shaft is rigidly connected with the transmission shaft. During the test process, the sample to be tested, such as the emergency breaker impacting body, is arranged on the transmission shaft, the frequency-changing motor is controlled by a frequency-changing motor control cabinet. The overspeed testing platform has the purpose of detecting the rotating speed of the action of the emergency breaker impacting body in the overspeed of a steam turbine.
Description
Technical field
The utility model relates to a kind of testing table that detects parts-emergency governor, overspeed governor knockson action rotating speed of most important, the most critical of turbine over.
Background technology
Present testing table is made up of direct current generator and rectification switch board, transmission shaft and bearing shell thereof, lubricating oil station etc.When detecting emergency governor, overspeed governor knockson action rotating speed, can only be generally ± 15 revolutions per seconds owing to adopting manual adjustments raising speed rate.Because the speed regulating control shakiness, be difficult to guarantee that raising speed is stable, big with power plant actual condition difference, the action rotating speed deviation when causing testing result and real work is bigger; Secondly, electric elements serious aging in this rectification control box, the speed regulating control shakiness often breaks down, and these electrical equipments are eliminated, is difficult to buy spare part, maintenance difficult.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of overspeed test platform.
The purpose of this utility model is achieved in that it comprises transmission shaft and bearing shell thereof, lubricating oil station, and it is characterized in that: it also has variable-frequency motor, and variable-frequency motor axle and transmission shaft are rigidly connected.To treat during test that trial target such as emergency governor, overspeed governor knockson are installed on the transmission shaft,, detect emergency governor, overspeed governor knockson action rotating speed by variable-frequency motor switch board control of conversion motor.
Compared with prior art, the beneficial effects of the utility model are: variable-frequency motor raising speed rate has been cancelled the human intervention error by switch board programmed logic (default finishing) control, reaches 1 revolutions per second, and test findings and user feedback value deviation reduce.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing.
Accompanying drawing is a planimetric map of the present utility model.
Embodiment
It comprises transmission shaft 4 and bearing shell 3 thereof, lubricating oil station 6, and it also has variable-frequency motor 2, and variable-frequency motor axle and transmission shaft are rigidly connected.To treat during test that trial target such as emergency governor, overspeed governor knockson 5 are installed on the transmission shaft,, detect emergency governor, overspeed governor knockson action rotating speed by variable-frequency motor switch board 1 control of conversion motor.The lubricating oil station supplies lubricating oil between bearing shell and transmission shaft.
Claims (1)
1. overspeed test platform, it comprises transmission shaft and bearing shell thereof, lubricating oil station, and it is characterized in that: it also has variable-frequency motor, and variable-frequency motor axle and transmission shaft are rigidly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202881709U CN201569660U (en) | 2009-12-18 | 2009-12-18 | Overspeed testing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202881709U CN201569660U (en) | 2009-12-18 | 2009-12-18 | Overspeed testing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201569660U true CN201569660U (en) | 2010-09-01 |
Family
ID=42661954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202881709U Expired - Fee Related CN201569660U (en) | 2009-12-18 | 2009-12-18 | Overspeed testing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201569660U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852259A (en) * | 2012-12-06 | 2014-06-11 | 中核核电运行管理有限公司 | Mechanical overspeed protective device verification system of nuclear power emergency meeting diesel engine |
| CN104458232A (en) * | 2014-12-01 | 2015-03-25 | 四川成发航空科技股份有限公司 | TRT emergency governor testing device |
| CN105424368A (en) * | 2015-12-12 | 2016-03-23 | 浙江杰特优动力机械有限公司 | Fly ball test apparatus and test method thereof |
| CN105928709A (en) * | 2016-04-22 | 2016-09-07 | 大唐东北电力试验研究所有限公司 | Steam turbine set emergency governor test device |
| CN108729961A (en) * | 2018-03-26 | 2018-11-02 | 国家能源投资集团有限责任公司 | Control method, device, storage medium and the processor of steam turbine |
| CN112268705A (en) * | 2020-10-23 | 2021-01-26 | 湛江海滨船厂 | Dynamic inspection equipment for mechanical overspeed protection device of engine |
-
2009
- 2009-12-18 CN CN2009202881709U patent/CN201569660U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852259A (en) * | 2012-12-06 | 2014-06-11 | 中核核电运行管理有限公司 | Mechanical overspeed protective device verification system of nuclear power emergency meeting diesel engine |
| CN103852259B (en) * | 2012-12-06 | 2017-02-22 | 中核核电运行管理有限公司 | Mechanical overspeed protective device verification system of nuclear power emergency meeting diesel engine |
| CN104458232A (en) * | 2014-12-01 | 2015-03-25 | 四川成发航空科技股份有限公司 | TRT emergency governor testing device |
| CN105424368A (en) * | 2015-12-12 | 2016-03-23 | 浙江杰特优动力机械有限公司 | Fly ball test apparatus and test method thereof |
| CN105424368B (en) * | 2015-12-12 | 2018-07-10 | 浙江杰特优动力机械有限公司 | A kind of flyball experimental rig and its test method |
| CN105928709A (en) * | 2016-04-22 | 2016-09-07 | 大唐东北电力试验研究所有限公司 | Steam turbine set emergency governor test device |
| CN108729961A (en) * | 2018-03-26 | 2018-11-02 | 国家能源投资集团有限责任公司 | Control method, device, storage medium and the processor of steam turbine |
| CN112268705A (en) * | 2020-10-23 | 2021-01-26 | 湛江海滨船厂 | Dynamic inspection equipment for mechanical overspeed protection device of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20131218 |