CN207123265U - Sound and light measurement instrument for the installation of turbine-generator units central shaft - Google Patents
Sound and light measurement instrument for the installation of turbine-generator units central shaft Download PDFInfo
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- CN207123265U CN207123265U CN201721027752.2U CN201721027752U CN207123265U CN 207123265 U CN207123265 U CN 207123265U CN 201721027752 U CN201721027752 U CN 201721027752U CN 207123265 U CN207123265 U CN 207123265U
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- hollow stem
- sound
- turbine
- central shaft
- buzzer
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Abstract
The utility model discloses a kind of sound and light measurement instrument for the installation of turbine-generator units central shaft, sound and light measurement instrument includes：First hollow stem, through hole is offered on its bar wall；Battery, in the first hollow stem, an electrode of battery electrically connects with the first hollow stem；Buzzer, it is electrically connected in the first hollow stem and close to the through hole of the first hollow stem, an electrode of buzzer with another electrode of battery；Insulated hollow bar, its one end couple with one end of the first hollow stem；Second hollow stem, its one end couple with the other end of insulated hollow bar, and the second hollow stem and the first hollow stem circuit isolation, the second hollow stem are electrically connected with another electrode of buzzer；Micrometer microdrum, its housing couple and are electrically connected with the second hollow stem；Micrometer couples and is electrically connected with the other end of the first hollow stem to extension bar, its one end.The utility model has the beneficial effect that measurement accuracy is high, easy to use, operating efficiency is high.
Description
Technical field
A kind of sound and light measurement instrument and its measuring method for the installation of turbine-generator units central shaft is the utility model is related to,
Belong to detection field, and in particular to the unit concentricity of power station power-equipment turbine-generator units, stator assembling, main shaft are coaxial
A kind of measuring instrument of the Precision measurements of great part such as degree
Background technology
In current hydraulic turbine equipment manufacturing and power station assembled in situ, because detection object is larger, detection device is limited,
Installation accuracy requires high, when carrying out axiality, concentricity measurement, is used as benchmark by messenger wire plus suspension taper weight, then
Object of reference is found by measurement, constructed according to object of reference.Because the precision of measurement is difficult to control, the precision of reference position
Also it is just not high, have influence on installation accuracy.
Utility model content
The utility model is according to the above deficiency, provide a kind of sound and light measurement for the installation of turbine-generator units central shaft
Instrument and its measuring method.0.01 millimeter of installation accuracy can be obtained by the measuring instrument.
The technical solution of the utility model is：
A kind of sound and light measurement instrument for the installation of turbine-generator units central shaft, it is characterized in that, including：
First hollow stem, through hole is offered on its bar wall；
Battery, in the first hollow stem, an electrode of battery electrically connects with the first hollow stem；
Buzzer, in the first hollow stem and close to the through hole of the first hollow stem, the sound of buzzer can be from through hole
Interior submitting, an electrode of buzzer are electrically connected with another electrode of battery；
Insulated hollow bar, its one end couple with one end of the first hollow stem；
Second hollow stem, its one end couple with the other end of insulated hollow bar, the second hollow stem and the first hollow stem circuit
Insulation, the second hollow stem are electrically connected with another electrode of buzzer；
Micrometer microdrum, its housing couple and are electrically connected with the second hollow stem, and the measurement head of micrometer microdrum is hanging；
Micrometer couples and is electrically connected with the other end of the first hollow stem to extension bar, its one end, and its other end is hanging；
When the first hollow stem and the second hollow stem connect through outer lead, buzzer energization sounding.
It should be noted that because the size of turbine-generator units central shaft varies, micrometer docking pole-footing is not according to
Same size can use different length, and micrometer microdrum is mainly that high-acruracy survey is conveniently to adjust, it is clear that micrometer
The precision of microdrum is exactly the precision of the utility model measurement.
In order to be worked under noisy environment, in addition to LED, LED are arranged in first hollow stem and close
The through hole of first hollow stem, the through hole can be used to observe LED, and LED is connected with described buzzer.By acousto-optic simultaneously its
Suggesting effect.
In order to change conveniently, second hollow stem passes through thread connection with the micrometer microdrum.
First hollow stem passes through thread connection with micrometer to extension bar.
Preferably, also including long fixed jackscrew, one end of long fixed jackscrew electrically connects with second hollow stem, long solid
The other end for determining jackscrew electrically connects with the LED.
Also include short fixed jackscrew, one end of short fixed jackscrew electrically connects with the battery, the other end of short fixed jackscrew
Electrically connected with first hollow stem.
The invention also discloses a kind of measurement side of the sound and light measurement instrument for the installation of turbine-generator units central shaft
Method, including the described sound and light measurement instrument for being used for the installation of turbine-generator units central shaft, it is characterized in that, as follows：
Step A, under the center upper lifting metal wire of preparation installation turbine-generator units central shaft, metal wire
Side's suspension taper weight；
Step B, centered on taper weight, circular arc line is drawn, multiple metal objects of reference are set on circular arc line；
Step C, metal object of reference is electrically connected with metal wire by wire；
Step D, the both ends horizontal of sound and light measurement instrument is placed between metal object of reference and metal wire；
Step E, by adjusting micrometer microdrum, the distance between metal object of reference and metal wire are measured, it is final mobile
The position of metal object of reference, when sound and light measurement instrument, which just reaches foot, sends sound and light, the length of sound and light measurement instrument is exactly metal reference
Length between thing and metal wire；
Step F so that multiple metal objects of reference are equal to the distance between metal wire, so as to pass through multiple metal objects of reference
It can determine that the center line below turbine-generator units central shaft；
Step G, multiple metal objects of reference above turbine-generator units central shaft are determined by same method；
Step H, removes metal wire, fixed metal object of reference, and metal object of reference can be used for turbine-generator units central shaft peace
The benchmark of dress.
Preferably, the multiple metal object of reference is shaped as arc-shaped, the described metal wire of circular arc concave surface alignment.
Preferably, the metal object of reference is provided with more than four.
Preferably, the metal wire is piano wire.
The utility model has the beneficial effect that simple in construction, cost is low, measurement accuracy is high, easy to use, operating efficiency is high
Fruit.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Embodiment
The utility model is further described in conjunction with accompanying drawing：
As illustrated, a kind of sound and light measurement instrument for the installation of turbine-generator units central shaft, including：
First hollow stem 11, through hole 6 is offered on its bar wall；
Battery 3, in the first hollow stem 11, an electrode of battery 3 electrically connects with the first hollow stem 11；Battery 3
Rechargeable battery can be selected；
Buzzer 4, in the first hollow stem 11 and close to the through hole 6 of the first hollow stem 11, the sound energy of buzzer 4
Sent out out of through hole, an electrode of buzzer 4 is electrically connected with another electrode of battery 3；Buzzer 4 can be selected commercially available active
Buzzer；
Insulated hollow bar 7, its one end couple with one end of the first hollow stem 11；
Second hollow stem 12, its one end couple with the other end of insulated hollow bar 7, the second hollow stem 12 and the first hollow stem
11 circuit isolations, the second hollow stem 12 are electrically connected with another electrode of buzzer 4；
Micrometer microdrum 81, its housing couple and are electrically connected with the second hollow stem 12, the measurement of micrometer microdrum 81
Head is hanging；
Micrometer couples and is electrically connected with the other end of the first hollow stem 11 to extension bar 82, its one end, and its other end is hanging；
When the first hollow stem 11 connects with the second hollow stem 12 through outer lead, the energization sounding of buzzer 3.
Also include LED 5, LED 5 is arranged in the first hollow stem 11 and close to the through hole 6 of the first hollow stem 11, this is logical
Hole 6 can be used to observe LED 5, and LED 5 is connected with buzzer 4.
Second hollow stem 12 passes through thread connection with micrometer microdrum 81.
First hollow stem 11 passes through thread connection with micrometer to extension bar 82.
Also include long fixed jackscrew 22, one end of long fixed jackscrew 22 electrically connects with the second hollow stem 12, long fixed jackscrew
22 other end electrically connects with LED 5.
Also include short fixed jackscrew 21, one end of short fixed jackscrew 21 electrically connects with battery 3, short fixed jackscrew 21 it is another
End electrically connects with the first hollow stem 11.
0.01mm, range 25mm can be selected in the precision of this micrometer microdrum, rotates clockwise rotating cylinder to increase, the inverse time
Pin, which rotates to be, to be subtracted, and often rotates lattice reading change 0.01mm.The metering system of microdrum：According to screw principle, work as differential
Cylinder（Also known as movable mark cylinder）When rotating a circle, micrometric screw advances or one 0.5 millimeter of pitch of retrogressing.So, microdrum is worked as
After one indexing of rotation, it has turned over 1/50 week, and at this moment screw rod moves 1/50 × 0.5 millimeter=0.01 millimeter along axis, because
This, 0.01 millimeter of numerical value can be accurately read using micrometer.
A kind of measuring method of sound and light measurement instrument for the installation of turbine-generator units central shaft, including for hydraulic generator
The sound and light measurement instrument of unit centre axle installation, as follows：
Step A, under the center upper lifting metal wire of preparation installation turbine-generator units central shaft, metal wire
Side's suspension taper weight；
Step B, centered on taper weight, circular arc line is drawn, multiple metal objects of reference are set on circular arc line；
Step C, metal object of reference is electrically connected with metal wire by wire；
Step D, the both ends horizontal of sound and light measurement instrument is placed between metal object of reference and metal wire；
Step E, by adjusting micrometer microdrum, the distance between metal object of reference and metal wire are measured, it is final mobile
The position of metal object of reference, when sound and light measurement instrument, which just reaches foot, sends sound and light, the length of sound and light measurement instrument is exactly metal reference
Length between thing and metal wire；
Step F so that multiple metal objects of reference are equal to the distance between metal wire, so as to pass through multiple metal objects of reference
It can determine that the center line below turbine-generator units central shaft；
Step G, multiple metal objects of reference above turbine-generator units central shaft are determined by same method；
Step H, removes metal wire, fixed metal object of reference, and metal object of reference can be used for turbine-generator units central shaft peace
The benchmark of dress.
Multiple metal objects of reference are shaped as arc-shaped, circular arc concave surface alignment metal wire.
Metal object of reference is provided with more than four.
Metal wire is piano wire.
Claims (6)
1. a kind of sound and light measurement instrument for the installation of turbine-generator units central shaft, it is characterized in that, including：
First hollow stem, through hole is offered on its bar wall；
Battery, in the first hollow stem, an electrode of battery electrically connects with the first hollow stem；
Buzzer, it can be sent in the first hollow stem and close to the through hole of the first hollow stem, the sound of buzzer out of through hole
Go out, an electrode of buzzer is electrically connected with another electrode of battery；
Insulated hollow bar, its one end couple with one end of the first hollow stem；
Second hollow stem, its one end couple with the other end of insulated hollow bar, the second hollow stem and the first hollow stem circuit isolation,
Second hollow stem is electrically connected with another electrode of buzzer；
Micrometer microdrum, its housing couple and are electrically connected with the second hollow stem, and the measurement head of micrometer microdrum is hanging；
Micrometer couples and is electrically connected with the other end of the first hollow stem to extension bar, its one end, and its other end is hanging；
When the first hollow stem and the second hollow stem connect through outer lead, buzzer energization sounding.
2. a kind of sound and light measurement instrument for the installation of turbine-generator units central shaft as claimed in claim 1, it is characterized in that, also
Including LED, LED is arranged in first hollow stem and can be used to observe close to the through hole of the first hollow stem, the through hole
LED, LED are connected with described buzzer.
3. a kind of sound and light measurement instrument for the installation of turbine-generator units central shaft as claimed in claim 1, it is characterized in that, institute
State the second hollow stem and pass through thread connection with the micrometer microdrum.
4. a kind of sound and light measurement instrument for the installation of turbine-generator units central shaft as claimed in claim 1, it is characterized in that, institute
State the first hollow stem and thread connection is passed through to extension bar with micrometer.
5. a kind of sound and light measurement instrument for the installation of turbine-generator units central shaft as claimed in claim 2, it is characterized in that, also
Including long fixed jackscrew, one end of long fixed jackscrew electrically connects with second hollow stem, the other end of long fixed jackscrew and institute
State LED electrical connection.
6. a kind of sound and light measurement instrument for the installation of turbine-generator units central shaft as claimed in claim 1, it is characterized in that, also
Including short fixed jackscrew, one end of short fixed jackscrew electrically connects with the battery, the other end of short fixed jackscrew and described first
Hollow stem electrically connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027752.2U CN207123265U (en) | 2017-08-16 | 2017-08-16 | Sound and light measurement instrument for the installation of turbine-generator units central shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027752.2U CN207123265U (en) | 2017-08-16 | 2017-08-16 | Sound and light measurement instrument for the installation of turbine-generator units central shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207123265U true CN207123265U (en) | 2018-03-20 |
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ID=61602441
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721027752.2U Active CN207123265U (en) | 2017-08-16 | 2017-08-16 | Sound and light measurement instrument for the installation of turbine-generator units central shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389004A (en) * | 2017-08-16 | 2017-11-24 | 浙江富春江水电设备有限公司 | Sound and light measurement instrument and its measuring method for the installation of turbine-generator units central shaft |
-
2017
- 2017-08-16 CN CN201721027752.2U patent/CN207123265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389004A (en) * | 2017-08-16 | 2017-11-24 | 浙江富春江水电设备有限公司 | Sound and light measurement instrument and its measuring method for the installation of turbine-generator units central shaft |
| CN107389004B (en) * | 2017-08-16 | 2023-09-26 | 浙江富春江水电设备有限公司 | Acousto-optic measuring instrument for central shaft installation of hydroelectric generating set and measuring method thereof |
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