CN206905783U - Hydropower Unit stability test sensor fastening device - Google Patents
Hydropower Unit stability test sensor fastening device Download PDFInfo
- Publication number
- CN206905783U CN206905783U CN201720414095.0U CN201720414095U CN206905783U CN 206905783 U CN206905783 U CN 206905783U CN 201720414095 U CN201720414095 U CN 201720414095U CN 206905783 U CN206905783 U CN 206905783U
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- CN
- China
- Prior art keywords
- sets
- holes
- stability test
- hydropower unit
- fastening device
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- 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.)
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Abstract
The utility model discloses a kind of Hydropower Unit stability test sensor fastening device, including fixed cover, multiple wing bolts and multiple bushings, the first sets of holes and the second sets of holes are provided with the fixed cover, at least two screws are provided with the side wall of the fixed cover, the screw is connected with first sets of holes or second sets of holes respectively；Each wing bolt is engaged with a screw respectively；The bushing is separately positioned in first sets of holes and second sets of holes, screw described in the surface face of the bushing.The Hydropower Unit stability test sensor fastening device, can be such that eddy current displacement sensor is fixed on dial gauge Magnetic gauge stand, so as to greatly increase the quality of Hydropower Unit stability test.
Description
Technical field
A kind of fixing device is the utility model is related to, is consolidated more particularly to a kind of Hydropower Unit stability test with sensor
Determine device.
Background technology
At present, set steady experiment has turned into the routinely experiment before and after Hydropower Plant overhaul, is to examine unit to shake
Dynamic horizontal, analysis vibration fault source, the main method for determining unit vibration region and studying other vibrations aspect problem, and try
It is the basic and crucial of all analyses to test the validity of data processing and high efficiency.Although Hydropower Unit stability test is gradual
Maturation, but at the scene test when still have some problems influence test data accurate measurement and test procedure simplification.With
Exemplified by Bulb Turbine Units, when measuring throw, it is necessary to which eddy current displacement sensor is firmly secured at measuring point, to
Improve the measurement accuracy during experiment.It is by eddy current displacement sensor first with insulating tape in testing at the scene at present
It is pasted together with dial gauge Magnetic gauge stand, is then adsorbed gauge stand at measuring point by the magnetic force of dial gauge Magnetic gauge stand, but
Be qualification based on testing crew and insulating tape viscosity it is strong and weak, eddy current displacement sensor can not ensure completely
It is securely seated between on dial gauge Magnetic gauge stand, can thus influences the measurement accuracy of test data.Therefore, it is solution hydroelectric machine
The problem of group stability test and difficult point, improved test instrument, outfit aid, raising test mass turn into field test
Eager demand.
Utility model content
To solve the above problems, the utility model provides a kind of Hydropower Unit stability test sensor fastening device,
Eddy current displacement sensor can be allow preferably to stablize on dial gauge Magnetic gauge stand.
In order to achieve the above object, the utility model is achieved using following technical scheme.
A kind of Hydropower Unit stability test sensor fastening device, including fixed cover, multiple wing bolts and multiple
Bushing, the first sets of holes and the second sets of holes are provided with the fixed cover, at least two spiral shells are provided with the side wall of the fixed cover
Hole, the screw are connected with first sets of holes or second sets of holes respectively；Each wing bolt respectively with one
The screw is engaged；The bushing is separately positioned in first sets of holes and second sets of holes, the surface of the bushing
Screw described in face.
According to Hydropower Unit stability test sensor fastening device of the present utility model, first in the first sets of holes during installation
With a bushing is placed in the second sets of holes respectively, then one end of eddy current displacement sensor is stretched into a bushing, percentage
Table bar on table Magnetic gauge stand stretches into another bushing and adjusts eddy current displacement sensor between dial gauge Magnetic gauge stand
Relative position, treat relative position regulation after tighten wing bolt, make one end and the dial gauge of eddy current displacement sensor
Table bar on Magnetic gauge stand is clamped by corresponding bushing respectively, and eddy current displacement sensor can be fixed on table bar after clamping,
Dial gauge Magnetic gauge stand is adsorbed during experiment and can stably be tested in test point eddy current displacement sensor, so as to significantly
Ground improves the quality of Hydropower Unit stability test.
As preferable, the end set of the wing bolt has rubber cap.
According to Hydropower Unit stability test sensor fastening device of the present utility model, set in the end of wing bolt
One layer of rubber cap is put, can prevent that its end causes to damage to bushing when wing bolt from tightening.
As preferable, the bushing includes two cross sections close to semicircular arc-like sheet.
According to Hydropower Unit stability test sensor fastening device of the present utility model, each bushing is respectively by two
Cross section is formed close to semicircular arc-like sheet, and the table bar of eddy current displacement sensor and dial gauge Magnetic gauge stand is respectively placed in pair
Between two arc-like sheets answered, the table bar of eddy current displacement sensor and dial gauge Magnetic gauge stand can be right when wing nut is tightened
Two arc-like sheets answered clamp, so that it is guaranteed that eddy current displacement sensor is fixed on table bar
As preferable, the bushing it is cylindrical, axially extending open seam is provided with the side wall of the bushing.
According to Hydropower Unit stability test sensor fastening device of the present utility model, wing nut is pressed closer in bushing
When upper, the open seam on bushing can tend to close, and make position eddy current displacement sensor in the inner and dial gauge Magnetic gauge stand
Table bar is clamped.
As preferable, the fixed cover includes chain intermittent weld first sleeve together and the second sleeve pipe, and described first
Sets of holes are located in the first sleeve, and second sets of holes are located in second sleeve pipe, in the first sleeve and described the
A screw is respectively arranged with the side wall at its both ends on two sleeve pipes, a butterfly spiral shell is equipped with each screw
Bolt.
According to Hydropower Unit stability test sensor fastening device of the present utility model, fixed cover includes first sleeve
With the second sleeve pipe, first sleeve and second set of tube side-by-side weld together, and not only reduce processing cost, and also reduce solid
Surely the weight covered；Wherein the first sets of holes are arranged in first sleeve, and the second sets of holes are arranged in the second sleeve pipe, and current vortex displacement passes
The table bar of sensor and dial gauge Magnetic gauge stand is clamped in first sleeve and the second sleeve pipe by corresponding bushing respectively.
Brief description of the drawings
Fig. 1 is the structure of the first embodiment of the utility model Hydropower Unit stability test biography sensor fixing device
Schematic diagram；
Fig. 2 is the structure of second of embodiment of the utility model Hydropower Unit stability test biography sensor fixing device
Schematic diagram；
Fig. 3 is Fig. 1 and Fig. 2 side structure schematic diagram.
In figure：1 first sleeve；2 wing bolts；3 bushings；4 second sleeve pipes.
Embodiment
As shown in figures 1 and 3, the implementation that the stability test of the utility model Hydropower Unit is provided with sensor fastening device
Example, including fixed cover, multiple wing bolts 2 and multiple bushings 3, the first sets of holes and the second sets of holes is provided with fixed cover, it is fixed
At least two screws are provided with the side wall of set, two screws are connected with the first sets of holes or the second sets of holes respectively；Each butterfly
Bolt 2 is engaged with a screw respectively；Bushing 3 is separately positioned in the first sets of holes and the second sets of holes, the surface face of bushing 3
Screw.
In the embodiment above, first place a bushing 3 during installation respectively in the first sets of holes and the second sets of holes, then will
One end of eddy current displacement sensor is stretched into a bushing 3, and the table bar on dial gauge Magnetic gauge stand is stretched into another bushing 3
And the relative position between eddy current displacement sensor and dial gauge Magnetic gauge stand is adjusted, treat to tighten after relative position regulation
Wing bolt 2 makes the table bar on one end and dial gauge Magnetic gauge stand of eddy current displacement sensor be pressed from both sides respectively by corresponding bushing 3
Tightly, eddy current displacement sensor can be fixed on table bar after clamping, and the absorption of dial gauge Magnetic gauge stand is in test point electricity during experiment
Eddy displacement sensor can be tested stably, so as to greatly increase the quality of Hydropower Unit stability test.
As shown in figure 1, according to one embodiment of the present utility model, the end set of wing bolt 2 has rubber cap.
In the embodiment above, in one layer of rubber cap of end set of wing bolt 2, when can prevent that wing bolt 2 from tightening
Bushing 3 is damaged in its end.
As shown in figure 1, according to one embodiment of the present utility model, bushing 3 includes two cross sections close to semicircular
Arc-like sheet.
In the embodiment above, each bushing 3 is made up of two cross sections close to semicircular arc-like sheet respectively, current vortex
The table bar of displacement transducer and dial gauge Magnetic gauge stand is respectively placed between corresponding two arc-like sheets, when wing nut 2 is tightened
The table bar of eddy current displacement sensor and dial gauge Magnetic gauge stand can be clamped by corresponding two arc-like sheets, so that it is guaranteed that current vortex
Displacement transducer is fixed on table bar.
As shown in Fig. 2 according to one embodiment of the present utility model, bushing 3 it is cylindrical, set in the side wall of bushing 3
It is equipped with axially extending open seam.
In the embodiment above, wing nut 2 is pressed closer when on bushing 3, and the open seam on bushing 3 can tend to close, and make
The table bar of position eddy current displacement sensor in the inner and dial gauge Magnetic gauge stand is clamped.
As shown in figure 3, according to one embodiment of the present utility model, fixed cover includes first set chain intermittent weld together
The sleeve pipe 4 of pipe 1 and second, in first sleeve 1, the second sets of holes are located in the second sleeve pipe 4 first set hole position, in first sleeve 1 and
A screw is respectively arranged with the side wall at its both ends on second sleeve pipe 4, a wing bolt is equipped with each screw
2。
In any of the above embodiment, fixed cover includes the sleeve pipe 4 of first sleeve 1 and second, the sleeve pipe of first sleeve 1 and second
4 weld together side by side, not only reduce processing cost, and also reduce the weight of fixed cover；Wherein the first sets of holes are set
In first sleeve 1, the second sets of holes are arranged in the second sleeve pipe 4, the table of eddy current displacement sensor and dial gauge Magnetic gauge stand
Bar is clamped in the sleeve pipe 4 of first sleeve 1 and second by corresponding bushing 3 respectively.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if it is of the present utility model these change and modification belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model also comprising these change and modification including.
Claims (5)
- A kind of 1. Hydropower Unit stability test sensor fastening device, it is characterised in that including：Fixed cover, the first sets of holes and the second sets of holes are provided with the fixed cover, are provided with least in the side wall of the fixed cover Two screws, two screws are connected with first sets of holes or second sets of holes respectively；Multiple wing bolts (2), each wing bolt (2) are engaged with a screw respectively；Multiple bushings (3), the bushing (3) are separately positioned in first sets of holes and second sets of holes, the bushing (3) Surface face described in screw.
- 2. Hydropower Unit stability test sensor fastening device according to claim 1, it is characterised in that the butterfly The end set of shape bolt (2) has rubber cap.
- 3. Hydropower Unit stability test sensor fastening device according to claim 1, it is characterised in that the lining Cover (3) and include two cross sections close to semicircular arc-like sheet.
- 4. Hydropower Unit stability test sensor fastening device according to claim 1, it is characterised in that the lining The cylindrical of (3) is covered, axially extending open seam is provided with the side wall of the bushing (3).
- 5. Hydropower Unit stability test sensor fastening device according to any one of claim 1 to 4, its feature Be, the fixed cover includes chain intermittent weld first sleeve (1) together and the second sleeve pipe (4), the first set hole position in In the first sleeve, second sets of holes are located in second sleeve pipe, on the first sleeve (1) and second sleeve pipe (4) screw is respectively arranged with the side wall at its both ends on, a wing bolt is equipped with each screw (2)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720414095.0U CN206905783U (en) | 2017-04-19 | 2017-04-19 | Hydropower Unit stability test sensor fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720414095.0U CN206905783U (en) | 2017-04-19 | 2017-04-19 | Hydropower Unit stability test sensor fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206905783U true CN206905783U (en) | 2018-01-19 |
Family
ID=61291057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720414095.0U Expired - Fee Related CN206905783U (en) | 2017-04-19 | 2017-04-19 | Hydropower Unit stability test sensor fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206905783U (en) |
-
2017
- 2017-04-19 CN CN201720414095.0U patent/CN206905783U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180119 Termination date: 20180419 |