CN206683527U - Steam turbine low-lying area nest dimension measuring device - Google Patents
Steam turbine low-lying area nest dimension measuring device Download PDFInfo
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- CN206683527U CN206683527U CN201720369509.2U CN201720369509U CN206683527U CN 206683527 U CN206683527 U CN 206683527U CN 201720369509 U CN201720369509 U CN 201720369509U CN 206683527 U CN206683527 U CN 206683527U
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- insulating sleeve
- steam turbine
- fixed bolt
- tight fixed
- spring
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Abstract
The utility model discloses a kind of steam turbine low-lying area nest dimension measuring device, including insulating sleeve, upper connector located at insulating sleeve upper end, lower connector located at insulating sleeve lower end, battery tray in insulating sleeve, the spring on battery tray and the rechargeable battery between spring and upper connector；Upper connector and spring are electrically connected with rechargeable battery respectively, and spring, battery tray, lower connector are sequentially connected electrically.The utility model also includes earphone, and insulating sleeve is provided with the first tight fixed bolt, and the first tight fixed bolt bottom electrically connects with battery tray, is electrically connected at the top of the first tight fixed bolt with the positive pole of earphone.Lower connector is provided with the second tight fixed bolt, is electrically connected at the top of the second tight fixed bolt with the negative pole of earphone.The utility model has the characteristics of simple in construction, easy to use and measurement is accurate.
Description
Technical field
Steam turbine installation and repairing technical field is the utility model is related to, more particularly, to a kind of simple in construction, easy to use
With the accurate steam turbine low-lying area nest dimension measuring device of measurement.
Background technology
Steam turbine low-lying area nest center is the significant data that steam turbine must measure in installation and maintenance, can monitor analysis vapour
Deformation, the displacement of cylinder, and partition position is adjusted.When actually measuring, using simulation of the steel wire as turbine rotor
Axial line, steel wire is using turbine rotor bearings at both ends center as positioning datum, shaft seal housing, partition component periphery to steam turbine
Measure, above-mentioned part be adjusted according to measurement data, the circle center of each part is in claimed range, it is ensured that
Steam turbine sound part, which does not produce, touches mill.The hollow nest size between steel wire and cylinder dividing plate is being measured with inside micrometer
When, it is necessary to measure size of left and right, lower three positions for steel wire of per pass dividing plate reference plane.Because steel wire has flexibility, surveying
It is also easy to produce during amount and rocks and offset, after miking head touches steel wire, different people or different contact dynamics can causes
Measure the error of size.
For some above-mentioned problems, Chinese patent notification number is CN202522188U, on November 7th, 2012, is disclosed
The utility model discloses a kind of partition board of steam turbine low-lying area nest centering apparatus, dial gauge fixed block is fixed on base, dial gauge is fixed
The bottom of block is provided with the first groove being engaged with push-and-pull block, and push-and-pull block passes through the first groove of dial gauge fixed block bottom, pushed away
Pulling block is placed on base, and dial gauge jacking block is fixed on the side of push-and-pull block, and push-and-pull block can be under the promotion of dial gauge jacking block, edge
Base is slided, and dial gauge is fixed on dial gauge fixed block, and the gauge rod of dial gauge contacts with dial gauge jacking block.The utility model
Advantage is, simple in construction, by promoting dial gauge jacking block, can measure the distance between vertical bar and rotor of pushing block, calculates
Dividing plate centre deviation value is drawn, easy to operate, efficiency high, during the nest alignment of partition board of steam turbine low-lying area, uses actual rotor
In looking for, dummy shaft can be eliminated or draw steel wire to look for middle error, improved dividing plate low-lying area nest and look for middle precision, and eliminate dummy shaft transport, maintenance expense
It is cumbersome with being calculated with drawing steel wire.But its weak point is：Although the utility model can accurately find out dividing plate low-lying area nest center,
Hollow nest size can not be measured, when people need to measure the size of hollow nest, the utility model can not just complete associative operation.
Utility model content
The utility model be in order to overcome in the prior art, when measuring steam turbine low-lying area nest size due to steel wire rock and
The problem of skew causes to produce measurement error, there is provided a kind of simple in construction, the easy to use and accurate steam turbine low-lying area nest chi of measurement
Very little measurement apparatus.
To achieve the above object, the utility model uses following technical scheme：
A kind of steam turbine low-lying area nest dimension measuring device, including insulating sleeve, the upper connector located at insulating sleeve upper end, if
Lower connector in insulating sleeve lower end, the battery tray in insulating sleeve, spring on battery tray and located at spring
Rechargeable battery between upper connector；Upper connector and spring electrically connect with rechargeable battery respectively, spring, battery tray, lower company
Fitting is sequentially connected electrically.
Insulating sleeve in the utility model plays a part of carrier and protection inner body, and upper connector is used to connect thousand
Divide chi measurement head, lower connector is used to connect miking bar, and spring and battery tray are used for spacing rechargeable battery.This practicality is new
Type makes the structure of measurement steam turbine low-lying area nest size device simpler, more accurate using more facilitating, measuring.
Preferably, upper connector includes miking head interface, upper connector section is in convex shape.Upper connector master
Be used to connecting miking head, miking head is used to contact with steel wire, and upper connector section be in convex shape, it is convenient and
Insulating sleeve is fixedly connected.
Preferably, steam turbine low-lying area nest dimension measuring device also includes earphone, insulating sleeve is provided with the first tight fixed bolt,
First tight fixed bolt bottom electrically connects with battery tray, is electrically connected at the top of the first tight fixed bolt with the positive pole of earphone.Above-mentioned connection side
Formula so that electric current can return to GND after passing sequentially through earphone, the first tight fixed bolt, battery tray and spring.
Preferably, lower connector includes miking bar interface, lower connector is provided with the second tight fixed bolt, second
Electrically connected at the top of tight fixed bolt with the negative pole of earphone.Lower connector is mainly used in connecting miking bar, miking bar
One is close to cylinder block dividing plate.In addition, above-mentioned connected mode so that after electric current is by lower connector and earphone, can return to
GND.
Preferably, the mode that upper connector and lower connector are connected through a screw thread is fixedly connected with insulating sleeve respectively.
The mode of threaded connection causes the utility model easily disassembled and installed, and facilitates staff to detect and repair.
Therefore, the utility model has the advantages that：（1）It is simple in construction；（2）It is easy to use；（3）Measurement is accurate.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
In figure：Insulating sleeve 1, upper connector 2, lower connector 3, battery tray 4, spring 5, rechargeable battery 6, the first clamp screw
Bolt 7, the second tight fixed bolt 8, miking head interface 9, miking bar interface 10.
Embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings：
A kind of steam turbine low-lying area nest dimension measuring device as shown in Figure 1, including insulating sleeve 1, located at insulating sleeve upper end
Upper connector 2, the lower connector 3 located at insulating sleeve lower end, the battery tray 4 in insulating sleeve, on battery tray
Spring 5 and the rechargeable battery 6 between spring and upper connector；Upper connector and spring are electrically connected with rechargeable battery respectively
Connect, spring, battery tray, lower connector are sequentially connected electrically.
Upper connector includes miking head interface 9, and upper connector section is in convex shape, and upper connector is mainly used in connecting
Miking head is connect, miking head is used to contact with steel wire.Steam turbine low-lying area nest dimension measuring device also includes earphone, absolutely
Edge sleeve pipe is provided with the first tight fixed bolt 7, and the first tight fixed bolt bottom electrically connects with battery tray, the first tight fixed bolt top and ear
The positive pole electrical connection of machine.Lower connector includes miking bar interface 10, and lower connector is provided with the second tight fixed bolt 8, the
Electrically connected at the top of two tight fixed bolts with the negative pole of earphone, lower connector is mainly used in connecting miking bar, miking
One, bar is close to cylinder block dividing plate.Electric current passes sequentially through upper connector, miking after the outflow of rechargeable battery positive pole
After head, steel wire, cylinder, miking bar, lower connector, earphone, battery tray and spring, negative electrode of chargeable battery is returned to.
The mode that upper connector and lower connector are connected through a screw thread is fixedly connected with insulating sleeve respectively.Threaded connection
Mode causes the utility model easily disassembled and installed, and facilitates staff to detect and repair.
Application method of the present utility model is as follows：
According to the size of measured position, suitable inside micrometer measurement bar is selected, connects the utility model.By thousand
Point chi measurement bar one is close to cylinder block dividing plate, adjusts miking head, until miking head touches steel wire, this
When complete current loop form, electric current sound can be sent in earphone, according to the now quarter on miking bar and measurement head
Reading is spent, draws measurement data.
Using this method, can effectively avoid the shortcomings that steel wire is easily rocked and offset during measurement, different operating personnel and
Measurement custom, measured data result do not produce measured deviation, and measurement accuracy rate is high, and measurement efficiency is enhanced about more than once.
It should be understood that the present embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.In addition
It should be understood that after the content of the utility model instruction has been read, those skilled in the art can make various to the utility model
Change or modification, these equivalent form of values equally fall within the application appended claims limited range.
Claims (5)
1. a kind of steam turbine low-lying area nest dimension measuring device, it is characterized in that, including insulating sleeve（1）, located at insulating sleeve upper end
Upper connector（2）, the lower connector located at insulating sleeve lower end（3）, the battery tray in insulating sleeve（4）, located at battery
Spring on seat（5）And the rechargeable battery between spring and upper connector（6）；Upper connector and spring are electric with charging respectively
Pond is electrically connected, and spring, battery tray, lower connector are sequentially connected electrically.
2. steam turbine low-lying area nest dimension measuring device according to claim 1, it is characterized in that, upper connector is surveyed including micrometer
Measure head interface（9）, upper connector section is in convex shape.
3. steam turbine low-lying area nest dimension measuring device according to claim 1, it is characterized in that, in addition to earphone, insulating sleeve
It is provided with the first tight fixed bolt（7）, the first tight fixed bolt bottom electrically connects with battery tray, at the top of the first tight fixed bolt with earphone
Positive pole electrically connects.
4. steam turbine low-lying area nest dimension measuring device according to claim 3, it is characterized in that, lower connector is surveyed including micrometer
Gauge rod interface（10）, lower connector is provided with the second tight fixed bolt（8）, the second tight fixed bolt top and the negative pole of earphone are electrically connected
Connect.
5. the steam turbine low-lying area nest dimension measuring device according to claim 1 or 2 or 3 or 4, it is characterized in that, upper connector and
The mode that lower connector is connected through a screw thread is fixedly connected with insulating sleeve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720369509.2U CN206683527U (en) | 2017-04-10 | 2017-04-10 | Steam turbine low-lying area nest dimension measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720369509.2U CN206683527U (en) | 2017-04-10 | 2017-04-10 | Steam turbine low-lying area nest dimension measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206683527U true CN206683527U (en) | 2017-11-28 |
Family
ID=60399727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720369509.2U Active CN206683527U (en) | 2017-04-10 | 2017-04-10 | Steam turbine low-lying area nest dimension measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206683527U (en) |
-
2017
- 2017-04-10 CN CN201720369509.2U patent/CN206683527U/en active Active
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