CN202661034U - Absolute elevation variation monitoring device for steam turbine generator unit bearing - Google Patents
Absolute elevation variation monitoring device for steam turbine generator unit bearing Download PDFInfo
- Publication number
- CN202661034U CN202661034U CN 201220276406 CN201220276406U CN202661034U CN 202661034 U CN202661034 U CN 202661034U CN 201220276406 CN201220276406 CN 201220276406 CN 201220276406 U CN201220276406 U CN 201220276406U CN 202661034 U CN202661034 U CN 202661034U
- Authority
- CN
- China
- Prior art keywords
- bearing
- proving installation
- monitoring device
- cup
- absolute altitude
- 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 - Lifetime
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses an absolute elevation variation monitoring device for a steam turbine generator unit bearing, which comprises a first testing device, a second testing device, a communication pipe and a data acquisition device; one testing device is fixedly arranged on a bearing pedestal to be tested; the other testing device is fixedly arranged on a triangular support; the triangular support is fixedly arranged on a foundation platform; the two testing devices are connected by the communication pipe; and the test signal output ends of the two testing devices are connected with the input end of the data acquisition device. The absolute elevation variation monitoring device for the steam turbine generator unit bearing is convenient for testing, and has an important meaning for the safe operation of a large steam turbine generator unit.
Description
Technical field
The utility model relates to the monitoring of bearing of turbo generator set absolute altitude, relates in particular to the monitoring device that a kind of bearing of turbo generator set absolute altitude changes.
Background technology
At present, the large turbo-type generator group is owing to be subject to the impact of the factors such as thermal expansion, condenser vacuum, immerge, larger variation can occur in each bearing dynamical height under cold conditions operating mode and the hot operating mode, thereby change the bearing kinematic behavior, can cause the vibration faults such as bearing temperature height, oil whip, sound friction when serious, directly affect safe, the stable and reliability service of unit.A large amount of engineering practices show that the bearing elevation adjustment is the effective means that unit vibration is administered, and the monitoring bearing absolute altitude changes, and instructs the adjustment of unit bearing dynamical height, and are significant to the safe operation of large turbo-type generator group.
The utility model content
The purpose of this utility model provides the monitoring device that a kind of bearing of turbo generator set absolute altitude changes, and it is convenient to measure.
The utility model adopts following technical proposals: the monitoring device that a kind of bearing of turbo generator set absolute altitude changes, it is characterized in that: comprise the first proving installation, the second proving installation, communicating pipe, data collector, the first proving installation is fixed on the measured axis bearing, the second proving installation is fixed on the tripod, tripod is fixed on the basic platform, two proving installations connected by communicating pipe, and the test signal output terminal of two proving installations all is connected with the input end of data collector.
Described the first proving installation and the second proving installation include cup, bottom of cups platform, eddy current sensor and base, cup is arranged on the bottom of cups platform, be provided with liquid medium in the cup, be placed with float on the liquid level of liquid medium, the cup top is connected with the cup top cover, and eddy current sensor passes the cup top cover, and the signal output part of eddy current sensor is connected with the signal input part of data collector, the bottom of cups platform is connected with base by screw rod, and bottom of cups connects pipe; The base of the first proving installation is connected with magnetic support, and magnetic support is connected by strong magnetic with the measured axis bearing; The base of the second proving installation is connected with tripod.
Described float is circular light sheet, and the float bottom is stained with foamed material.
The described float outside evenly is provided with the prominent point of three arcs.
Be provided with pore on the described cup top cover.
The utility model is connected first of two proving installations with the measured axis bearing, second is connected with tripod, tripod is fixed on the basic platform, with the reference point of second proving installation as the absolute altitude monitoring, measure the absolute altitude of measured bearing, convenient test, measuring accuracy is high, can satisfy the needs of modern various large turbo-type generator group bearing absolute altitude monitorings, have broad application prospects.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of cup top cover in the utility model;
Fig. 3 is the main TV structure synoptic diagram of cup and bottom of cups platform in the utility model;
Fig. 4 is the plan structure synoptic diagram of cup and bottom of cups platform in the utility model;
Fig. 5 is the structural representation of float in the utility model.
Embodiment
As shown in Figure 1 and Figure 2, the monitoring device that the utility model bearing of turbo generator set absolute altitude changes, comprise the device that the first proving installation, the second proving installation, communicating pipe 14, data collector 8(gather and calculate for the data to the proving installation test, formed by high-speed a/d capture card, processing computing chip and signal condition and software for calculation), the first proving installation is fixed on the measured axis bearing, the second proving installation is fixed on the tripod 15, tripod 15 is fixed on the basic platform 1, and two proving installations connected by communicating pipe 14.Described the first proving installation and the second proving installation include cup 4, bottom of cups platform 3, eddy current sensor 6 and base 11, cup 4 is arranged on the bottom of cups platform 3, be provided with liquid medium in the cup 4, be placed with float 9 on the liquid level of liquid medium, cup 4 tops are connected with cup top cover 5 by screw thread 51, can open cup top cover filling liquid in the cup; Eddy current sensor 6 passes cup top cover 5 by the threaded hole 52 that arranges on the cup top cover 5, and the signal output part of eddy current sensor 6 is connected with the signal input part of data collector 8, is provided with pore 53 on the described cup top cover 5.As shown in Figure 3, Figure 4, be provided with three screw holes 32,33,34 on the bottom of cups platform 3, bottom of cups platform 3 is connected by three screw rods with base 11, cup 4 is connected with communicating pipe 14 by the threaded hole 31 that the bottom arranges, base 11 is connected with magnetic support 12, and magnetic support 12 is connected by strong magnetic with measured axis bearing 13; The base 11 of the second proving installation is connected by screw 10 with tripod 15.As shown in Figure 5, float 9 is circular light sheet, and float 9 bottoms are stained with foamed material, guarantees that float can float on the liquid level forever.Float 9 outsides evenly are provided with the prominent point 91,92,93 of three arcs, guarantee that float 9 and cup inwall are in a contact condition all the time, can solve the bite problem of float 9 well.
The first proving installation of the present utility model and the second test dress form a test cell, one is fixed on the measured axis bearing 13, another is fixed on the tripod 15, tripod 15 is fixed with basic platform 1 usefulness glue, very convenient, the height of tripod 15 can be regulated by screw 10, can raise or reduce as required.The working temperature of gene basis platform 1 and environment temperature approach, and the impact that in the short time foundation elevation is changed is less.It is little that we think under the cold and hot that this absolute altitude changes, and can be used as the reference point of absolute altitude monitoring, and take the absolute altitude of this reference point as each bearing of locating tab assembly, engineering used actual value.During measurement, liquid after a period of time, reaches balance interior flowing of communicating pipes 14, and proving installation cup 4 interior float height can change, the test data of data collector 8 collecting test devices, and the absolute altitude that can obtain measuring point changes, and measuring accuracy is high.
Claims (5)
1. bearing of turbo generator set absolute altitude change monitoring device, it is characterized in that: comprise the first proving installation, the second proving installation, communicating pipe, data collector, the first proving installation is fixed on the measured axis bearing, the second proving installation is fixed on the tripod, tripod is fixed on the basic platform, two proving installations connected by communicating pipe, and the test signal output terminal of two proving installations all is connected with the input end of data collector.
2. bearing of turbo generator set absolute altitude change monitoring device according to claim 1, it is characterized in that: described the first proving installation and the second proving installation include cup, the bottom of cups platform, eddy current sensor and base, cup is arranged on the bottom of cups platform, be provided with liquid medium in the cup, be placed with float on the liquid level of liquid medium, the cup top is connected with the cup top cover, eddy current sensor passes the cup top cover, the signal output part of eddy current sensor is connected with the signal input part of data collector, the bottom of cups platform is connected with base by screw rod, and bottom of cups connects pipe; The base of the first proving installation is connected with magnetic support, and magnetic support is connected by strong magnetic with the measured axis bearing; The base of the second proving installation is connected with tripod.
3. bearing of turbo generator set absolute altitude change monitoring device according to claim 2, it is characterized in that: described float is circular light sheet, the float bottom is stained with foamed material.
4. bearing of turbo generator set absolute altitude change monitoring device according to claim 3 is characterized in that: evenly be provided with the prominent point of three arcs outside the described float.
5. bearing of turbo generator set absolute altitude change monitoring device according to claim 4 is characterized in that: be provided with pore on the described cup top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276406 CN202661034U (en) | 2012-06-13 | 2012-06-13 | Absolute elevation variation monitoring device for steam turbine generator unit bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276406 CN202661034U (en) | 2012-06-13 | 2012-06-13 | Absolute elevation variation monitoring device for steam turbine generator unit bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661034U true CN202661034U (en) | 2013-01-09 |
Family
ID=47455937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220276406 Expired - Lifetime CN202661034U (en) | 2012-06-13 | 2012-06-13 | Absolute elevation variation monitoring device for steam turbine generator unit bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469219A (en) * | 2018-03-06 | 2018-08-31 | 东南大学 | A kind of rotor of turbogenerator set degree of raising measuring device and measuring method |
| CN110284930A (en) * | 2019-05-17 | 2019-09-27 | 浙江浙能技术研究院有限公司 | A kind of Siemens 9F combustion engine combined cycle unit perseverance exhaust casing temperature clutch engagement control method |
-
2012
- 2012-06-13 CN CN 201220276406 patent/CN202661034U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469219A (en) * | 2018-03-06 | 2018-08-31 | 东南大学 | A kind of rotor of turbogenerator set degree of raising measuring device and measuring method |
| CN110284930A (en) * | 2019-05-17 | 2019-09-27 | 浙江浙能技术研究院有限公司 | A kind of Siemens 9F combustion engine combined cycle unit perseverance exhaust casing temperature clutch engagement control method |
| CN110284930B (en) * | 2019-05-17 | 2021-11-19 | 浙江浙能技术研究院有限公司 | Siemens 9F gas turbine combined cycle unit constant exhaust cylinder temperature clutch engagement control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102620925B (en) | Device and method for measurement testing of load of valve rocker of engine valve mechanism | |
| CN103344489A (en) | Material creep property testing device | |
| CN202661034U (en) | Absolute elevation variation monitoring device for steam turbine generator unit bearing | |
| CN103512466A (en) | Serialized method for measuring groove diameters of inner and outer rings of noncircular-channel bearing | |
| CN103398793A (en) | Temperature measuring device based on thermocouple cold end compensation technology | |
| CN201688942U (en) | Axial force measuring sensor calibration device | |
| CN103063421A (en) | Automatic comprehensive detection device and detection method for inclined ring spring property | |
| CN103900752A (en) | Range-adjustable device for measuring small pushing force of engine | |
| CN204177548U (en) | A kind of pipeline liquid discharge characteristic proving installation | |
| CN111811539B (en) | Hydraulic hydrostatic level precision test experiment platform | |
| Lihua et al. | Study of anemometer for wind power generation | |
| CN101718537A (en) | Device and method suitable for monitoring elevation change of bearing of turbo generator set | |
| CN203688369U (en) | Stress-control type direct shear apparatus | |
| CN103196525B (en) | Liquid level detecting method for liquefied natural gas in storage tank | |
| CN206192927U (en) | A heat sink that is used for high low temperature experiment test system | |
| CN206638118U (en) | One kind is used to measure angular contact ball bearing bulge quantity frock | |
| CN201568086U (en) | Device applicable to monitoring of changes of turbo-generator unit bearing elevation | |
| CN204008535U (en) | The test macro of the critical freeze injury temperature of one Plants | |
| CN203324014U (en) | Taper bearing testing tool | |
| CN202994256U (en) | Comprehensive performance test device for ultrasound water flow transducer | |
| CN203550850U (en) | Air valve deflection detecting tool | |
| CN208937175U (en) | A kind of power transmission tower vibration monitoring device | |
| CN205209383U (en) | Interior outer fissure hole position measuring instrument | |
| CN203299055U (en) | Test device for creep properties of materials | |
| CN103604400B (en) | Valve deflection detects frock and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450052 Songshan South Road, Henan, No. 85, No. Patentee after: STATE GRID HENAN ELECTRIC POWER CORPORATION ELECTRIC POWER SCIENCE Research Institute Patentee after: State Grid Corporation of China Address before: 450052 Songshan South Road, Henan, No. 85, No. Patentee before: Henan Electric Power Corporation Electric Power Science Research Institute Patentee before: State Grid Corporation of China |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20151014 Address after: 450052 Songshan South Road, Henan, No. 85, No. Patentee after: STATE GRID HENAN ELECTRIC POWER CORPORATION ELECTRIC POWER SCIENCE Research Institute Patentee after: State Grid Corporation of China Patentee after: HENAN ENPAI HIGH-TECH GROUP Co.,Ltd. Address before: 450052 Songshan South Road, Henan, No. 85, No. Patentee before: STATE GRID HENAN ELECTRIC POWER CORPORATION ELECTRIC POWER SCIENCE Research Institute Patentee before: State Grid Corporation of China |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
|
| CX01 | Expiry of patent term |