CN201548195U - Measuring device for stator locating rib and stator core of hydroelectric plant unit generator - Google Patents
Measuring device for stator locating rib and stator core of hydroelectric plant unit generator Download PDFInfo
- Publication number
- CN201548195U CN201548195U CN2009203114738U CN200920311473U CN201548195U CN 201548195 U CN201548195 U CN 201548195U CN 2009203114738 U CN2009203114738 U CN 2009203114738U CN 200920311473 U CN200920311473 U CN 200920311473U CN 201548195 U CN201548195 U CN 201548195U
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- stator
- stator core
- measurement
- positioning bar
- measuring
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- Expired - Fee Related
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Abstract
The utility model relates to a measuring device for a stator locating rib and a stator core of hydroelectric plant unit generator, belonging to generator technique field. The measuring device is characterized in that it includes a central column, a measuring rack, a measuring rod, an electric eddy current sensor and a display mechanism; the central column is provided with the measuring rack, the measuring rack is provided with the measuring rod, the end part of the measuring rod is provided with a probe of the electric eddy current sensor, the electric eddy current sensor is connected with the display mechanism. The utility model is a method for measuring the interior diameters of the stator locating rib and the stator core by the electric eddy current sensor, is capable of high-speed collecting, processing and calculating measured data, improving assemble efficiency of the hydraulic turbogenerator stator greatly, satisfying accuracy requirement of installing the hydroelectric plant unit stator scientifically, and ensuring assemble quality reliably.
Description
Technical field
The utility model belongs to technical field of generators, particularly relates to a kind of Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism.
Background technology
At present, the installation of Hydropower Unit generator unit stator positioning bar and stator core all adopts milscale to measure and adjust, and its workload is quite big, generally want repeated measurement several thousand times, along with improving constantly of unit capacity, diameter of stator bore is also increasing, and measurement point and measurement quantity also constantly increase.Now, unit is installed and still adopted length micrometer to carry out manual measurement, record, arrangement calculating both at home and abroad, and is consuming time very high, reads the chi error and often takes place.Generally in the stator core installation process, the measurement of internal diameter size occupies 1/3 of whole workload.Because the weight of milscale is bigger, the operation effort, measuring error is many.
Summary of the invention
The utility model provides a kind of Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism for solving the problem that prior art exists.
The utility model purpose provides a kind of simple in structure, and is safe and reliable, superior performance, efficiency of measurement height, the Hydropower Unit generator unit stator positioning bar and the stator core measurement mechanism of characteristics such as measuring error is little.
The utility model Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism adopt following technical scheme:
A kind of Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism are characterized in: measurement mechanism comprises newel, measurement bay, sounding rod, current vortex sensor and indication mechanism; Measurement bay is housed on the newel, sounding rod is housed on the measurement bay, the current vortex sensor probe is equipped with in the sounding rod end, and current vortex sensor connects indication mechanism.
The utility model Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism can also be taked following technical measures:
Described Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism are characterized in: indication mechanism is data acquisition module and touch LCD display screen.
Described Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism are characterized in: be equipped with between measurement bay and newel around the pillar rotating mechanism, under the measurement bay set collar be housed.
Described Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism are characterized in: set collar is the open and close type annulus, and the bolt of a fastening usefulness is arranged.
Described Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism are characterized in: measurement bay even is equipped with balance bob, and balance bob is arranged in the newel endoporus.
Described Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism are characterized in: sounding rod is equipped with adjusted size mechanism.
Adjusting mechanism has solved stator sector piece parking space in the operating process.Measurement bay has regulation fixing apparatus.
Described Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism are characterized in: adjusted size mechanism is a screw rod attaching nut fastening structure.
Advantage that the utlity model has and good effect:
The utility model is owing to adopt above-mentioned brand-new technology scheme, method with electric vortex sensor measuring stator positioning bar and stator core internal diameter, and measurement data carried out high speed acquisition, processing, calculating, the hydraulic generator stator efficiency of assembling is greatly improved, more scientifically satisfy the accuracy requirement that the Hydropower Unit stator is installed, improved business efficiency.
With the method for electric vortex sensor measuring stator positioning bar and stator core internal diameter, and measurement data carried out high speed acquisition, processing, calculating, hydraulic generator stator efficiency of assembling and assembly quality are guaranteed reliably, make and operate hommization more; More scientifically satisfied the technical requirement of stator core part, eliminated traditional handicraft stator positioning bar and the stator core measuring speed is slow, the operation effort, measuring error is big wait not enough.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a sounding rod adjusting mechanism structural representation among Fig. 1;
Fig. 3 is the right TV structure synoptic diagram of Fig. 2;
Fig. 4 is a set collar structural representation among Fig. 1;
Fig. 5 is the left TV structure synoptic diagram of Fig. 4;
Fig. 6 is the broken section structure for amplifying synoptic diagram of Fig. 1.
Among the figure, the 1-measurement bay, the 2-screw rod, the 3-locknut, the 4-balance bob, the 5-set collar, the 6-newel, 7-wins in succession.
Embodiment
For further understanding technology contents of the present utility model, characteristics and effect, enumerate following example now, and be described with reference to the accompanying drawings as follows:
See also accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.
A kind of big-and-middle-sized Hydropower Unit stator positioning bar and stator core internal diameter size measurement mechanism, its structure is:
1. design level orientation measurement frame 1 on the vertical centering control stem, measurement bay 1 can be around newel 6 rotations.
2. measurement bay 1 horizontal direction device has the measurement screw rod 2 of current vortex sensor.
3. measurement bay 1 other end is placed data collector module, power supply and touch LCD display screen.
4. horizontal survey frame 1 has balance bob 4, is arranged in the newel endoporus.Measurement bracket is convenient under the balance bob effect easily to move up and down; Can light, fast adjust the measuring position of measurement bay 1, increase work efficiency.
5. measure screw rod 2 rear ends adjusted size mechanism is housed, make sounding rod end probe be fixed in any position.The turn measurement bay can move horizontally, and probe is in after the preliminary dimension with hold-down nut 3 lockings.
6. set collar 5 is equipped with in measurement bay 1 lower end, and set collar and measurement bay 7 are connected with winning in succession, see also Fig. 6, and the fixation measuring frame is done the circumferential measurement of any height.Set collar 5 adopts the open and close type annulus, and is fastening with a fastening bolt, makes measurement bay 1 be fixed in desired height and carries out the circumference measurement.
When present embodiment is measured: see also Fig. 2 and Fig. 3, after adjusting probe and internal diameter reference point gap, just internal diameter any point or several somes radius sizes be can easily measure, and radius size, out-of-roundness, maximum point, smallest point on the differing heights shown as required fast.
Present embodiment has the sounding rod of current vortex sensor.Can adjust the reset of eddy current sensor data according to an absolute dimension, rotation, lifting measurement bay carry out quick collection, processing, calculating, the printing of each mechanical angle, electrical angle to stator core and positioning bar internal diameter; So that being installed, a stator iron core of hydraulic generator adopt manual measurement about more than 6000 as (recovering genset after the unit earthquake calamity of peaceful post, Sichuan), 3 staff measure, write down, put in order about 10 days, and this invention equipment is measured equally only needs 2 staff can finish in 12 hours.Present embodiment has described good effect and advantage.
Claims (7)
1. Hydropower Unit generator unit stator positioning bar and stator core measurement mechanism, it is characterized in that: measurement mechanism comprises newel, measurement bay, sounding rod, current vortex sensor and indication mechanism; Measurement bay is housed on the newel, sounding rod is housed on the measurement bay, the current vortex sensor probe is equipped with in the sounding rod end, and current vortex sensor connects indication mechanism.
2. Hydropower Unit generator unit stator positioning bar according to claim 1 and stator core measurement mechanism is characterized in that: indication mechanism is data acquisition module and touch LCD display screen.
3. Hydropower Unit generator unit stator positioning bar according to claim 1 and stator core measurement mechanism is characterized in that: be equipped with between measurement bay and newel around the pillar rotating mechanism, under the measurement bay set collar be housed.Set collar is connected with measurement bay by winning in succession.
4. Hydropower Unit generator unit stator positioning bar according to claim 3 and stator core measurement mechanism is characterized in that: set collar is the open and close type annulus, and the bolt of a fastening usefulness is arranged.
5. Hydropower Unit generator unit stator positioning bar according to claim 1 and stator core measurement mechanism is characterized in that: measurement bay even is equipped with balance bob, and balance bob is arranged in the newel endoporus.
6. Hydropower Unit generator unit stator positioning bar according to claim 1 and stator core measurement mechanism is characterized in that: sounding rod is equipped with adjusted size mechanism.
7. Hydropower Unit generator unit stator positioning bar according to claim 6 and stator core measurement mechanism is characterized in that: adjusted size mechanism fastens bit architecture for the screw rod attaching nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203114738U CN201548195U (en) | 2009-09-25 | 2009-09-25 | Measuring device for stator locating rib and stator core of hydroelectric plant unit generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203114738U CN201548195U (en) | 2009-09-25 | 2009-09-25 | Measuring device for stator locating rib and stator core of hydroelectric plant unit generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201548195U true CN201548195U (en) | 2010-08-11 |
Family
ID=42603369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203114738U Expired - Fee Related CN201548195U (en) | 2009-09-25 | 2009-09-25 | Measuring device for stator locating rib and stator core of hydroelectric plant unit generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201548195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104160290A (en) * | 2012-03-06 | 2014-11-19 | 西门子能量股份有限公司 | Device and method for inspection of a stator core of an electrical machine |
-
2009
- 2009-09-25 CN CN2009203114738U patent/CN201548195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104160290A (en) * | 2012-03-06 | 2014-11-19 | 西门子能量股份有限公司 | Device and method for inspection of a stator core of an electrical machine |
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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: 20100811 Termination date: 20120925 |