CN108278991A - Adjustable bridge gauge for turbomachinery bearing shell level measurement - Google Patents
Adjustable bridge gauge for turbomachinery bearing shell level measurement Download PDFInfo
- Publication number
- CN108278991A CN108278991A CN201711408731.XA CN201711408731A CN108278991A CN 108278991 A CN108278991 A CN 108278991A CN 201711408731 A CN201711408731 A CN 201711408731A CN 108278991 A CN108278991 A CN 108278991A
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- CN
- China
- Prior art keywords
- gauge
- bridge gauge
- bridge
- screw rod
- measurement
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Abstract
On the left of a kind of adjustable bridge gauge for turbomachinery bearing shell level measurement, including bridge gauge（1）, bridge gauge middle part（2）, bridge gauge right side（3）, gauge block（4）, the bridge gauge left side（1）With bridge gauge right side（3）It is respectively provided with the both ends being distributed by default angle, the bridge gauge left side（1）With the lower end extended downwards by default angle and the horizontal upper end extended to the right, the bridge gauge right side（3）With the lower end extended downwards by default angle and the horizontal upper end extended to the left, the bridge gauge left side（1）Upper end and the bridge gauge in the middle part of（2）Left end connects, on the right side of bridge gauge（3）Upper end and the bridge gauge in the middle part of（2）Right end connects.The bridge gauge, which can operate with horizontal span and vertical height both direction, to be had in the measurement of different size tested devices, and versatility is very strong, easy to operate, it can be achieved that batch production, saves a large amount of designs and production cost, facilitate enterprise and user management.
Description
Technical field
The present invention relates to turbine rotating machinery measuring devices, are especially used for the measuring device of rotor radial journal bearing.
Background technology
Turbomachinery is mainly made of components such as several rotors, stators, and wherein rotor is by being mounted on two ends of rotor axle journal
Radial journal bearing support.It need to be measured with specific purpose tool bridge gauge in first installation and record the absolute altitude at rotor journal, in unit
Needed when each overhaul after operation again with bridge gauge measure rotor journal at absolute altitude, and combine installation when rotor journal mark
Height determines the wear extent of radial journal bearing bearing shell.If Fig. 1 is now widely used monoblock type bridge gauge, radial journal bearing bearing shell is measured
It is both needed to each radial journal bearing when wear extent and uses dedicated bridge gauge, can not use with.And due to needing to be supported on axis when bridge gauge measurement
It holds on the horizontal flange of case, when the bearing block size difference of each bearing, the span of bridge gauge is also different, and due to rotor
Journal size is had nothing in common with each other, and gauge block has also needed different height at the top of each bridge gauge.Lead to so monoblock type bridge gauge shown in FIG. 1 does not have
With property, it need to be usually directed to the bridge gauge of each bearing journal design production different specification size, to the pipe of design, manufacture and user
Reason etc. is made troubles.
Invention content
Monoblock type bridge gauge used by order to overcome traditional turbine rotary mechanical bearing height mark to measure can not adjust bridge gauge across
Away from and gauge block height defect, the present invention provides a kind of adjustable bridge gauges.
The specific technical solution of the present invention is as follows：
On the left of the adjustable bridge gauge of turbomachinery bearing shell level measurement, including bridge gauge, in the middle part of bridge gauge, on the right side of bridge gauge, gauge block,
The both ends being distributed by default angle are respectively provided with bridge gauge right side on the left of the bridge gauge, are had by default on the left of the bridge gauge
The lower end that angle extends downwards and the upper end extended to the right by default angle level, the bridge gauge right side have by default angle
The lower end extended downwards and the upper end extended to the left by default angle level, on the left of the bridge gauge lower end on the right side of bridge gauge under
End is respectively arranged with protrusion, and the lower face of the protrusion is horizontal plane, and on the left of bridge gauge the lower face of lower end protrusion with
The lower face of lower end protrusion is in same level on the right side of bridge gauge, and the lower face of the protrusion is as positioning surface and measured axis
The contact of case horizontal flange is held, is the horizontal straight beam of cylindricality in the middle part of the bridge gauge, in the upper end and the bridge gauge on the left of the bridge gauge
Portion's left end connects, and the upper end on the right side of bridge gauge is connect with right end in the middle part of the bridge gauge, in the middle part of the bridge gauge and bridge gauge left side, the bridge gauge right side
Side connects composition arch bridge gauge in a manner described；
Center is provided with the through hole of vertical direction in the middle part of the bridge gauge, and the gauge reaches tested across the through hole and turns
Son measures.
Further, the bridge gauge left side 1 is equal with the default angle at 3 respective both ends on the right side of the bridge gauge and is greater than or equal to
90 °, be less than or equal to 135 °.
Further, left and right ends are provided with sliding slot in the middle part of the bridge gauge, and upper end is provided with sliding block and and bridge on the left of bridge gauge
Rule middle part left end sliding slot is fixed together with merging, and upper end is provided with sliding block and coordinates with right end sliding slot in the middle part of bridge gauge on the right side of bridge gauge
And it is fixed together.
Further, the downward seam allowance in end face is offered in the through hole in the middle part of bridge gauge, the gauge block, which has, to be surveyed
End and screw rod end are measured, the cross sectional dimensions of the measurement end is more than and the cross sectional dimensions at screw rod end, and measurement end has and is tested
The bottom of rotor contact and the top for connecting the screw rod end are additionally provided with when gauge block works between measurement end top and seam allowance
At least one cushion block, screw rod end is extended across through hole in the middle part of bridge gauge from bottom in the middle part of bridge gauge, in bridge gauge middle top surface by nut
It connect and fixes with screw rod end.
Beneficial effects of the present invention：
Due to using combined type bridge gauge structure, bridge can be adjusted by specific connection type and locking mechanism by forming each section of bridge gauge
The measurement span of rule adjusts gauge block 4 by the cooperation of seam allowance 10 in the cushion block 13 and bridge gauge through hole 5 of various different sizes
Measure height, this bridge gauge span and the adjustability for measuring height so that the adjustable bridge gauge can operate with horizontal span and hang down
Straight height both direction has in the measurement of various sizes of bearing dynamical height, compared with the nonadjustable bridge gauge of traditional monoblock type, greatly
Bridge gauge use scope is extended greatly, versatility is very strong, easy to operate, it can be achieved that batch production, saving are largely designed and are produced into
This, facilitates enterprise and user management.
Description of the drawings
Fig. 1 is traditional monoblock type bridge gauge schematic diagram
Fig. 2 is this adjustable bridge gauge structure expanded schematic diagram
Fig. 3 is this adjustable bridge gauge assembling and instrumentation plan
Figure label indicates：1,2, bridge gauge middle part 3, bridge gauge right side 4, gauge block 5, through hole 6, protrusion on the left of bridge gauge
Portion 7, sliding slot 8, sliding block 9, screw 10, seam allowance 11, measurement end 12, screw rod end 13, cushion block 14, nut.
Specific implementation mode
Technical solution for a better understanding of the present invention is described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 2, adjustable bridge gauge main body rack is made of 3 segment structures, i.e., 1 on the left of bridge gauge, 2 in the middle part of bridge gauge, bridge gauge is right
Side 3.1 is respectively provided with the both ends being distributed by default angle on the right side of bridge gauge 3 on the left of bridge gauge：1 has by default angle on the left of bridge gauge
The lower end and the horizontal upper end extended to the right extended downwards, bridge gauge right side 3 has the lower end extended downwards by default angle
The upper end extended to the left with level.1 lower end is respectively arranged with protrusion 6, protrusion 6 with 3 lower ends on the right side of bridge gauge on the left of the bridge gauge
Lower face be horizontal plane, and on the left of bridge gauge on the right side of lower face and the bridge gauge of 1 lower end protrusion 63 lower end protrusions 6 lower face
In same level, when bridge gauge works, the lower face of the protrusion 6 connects as positioning surface and measured bearing case horizontal flange
It touches.2 be the horizontal straight beam of cylindricality in the middle part of bridge gauge, and 2 centers of bridge gauge middle part are provided with the through hole 5 of vertical direction, and gauge block 4 is passed through and passed through
Through-hole 5 arrives at measured rotor.1 upper end is connect with 2 left ends in the middle part of bridge gauge on the left of bridge gauge, and 3 upper ends and bridge gauge middle part 2 are right on the right side of bridge gauge
End connection composition arch bridge gauge main body.
In view of preferably measuring stability, bridge gauge left side 1 is preferably equal with the default angle at 3 respective both ends on the right side of bridge gauge
And it is greater than or equal to 90 °, is less than or equal to 135 °.
Based on the design feature of adjustable bridge gauge provided by the invention, different size Turbomachine Rotors can be completed and supported
The measurement of bearing bush wear extent is below illustrated the adjustability of bridge gauge of the present invention with embodiment：
As shown in figure 3, the distance between 1, bridge gauge right side, 3 lower end protrusions 6 on the left of bridge gauge（Hereinafter referred to as bridge gauge span）Size
It can be adjusted in due course according to measured bearing case size.In the present embodiment, bridge gauge middle part 2 and 1, bridge gauge on the left of bridge gauge
What middle part 2 was linked together by two pairs of sliding slots 7 and sliding block 8 respectively on the right side of bridge gauge 3, sliding block 8 is located at the upper of bridge gauge left side 1
3 upper end on the right side of end and bridge gauge, and coordinate respectively with the sliding slot 7 positioned at 2 left and right ends in the middle part of bridge gauge, according to practical measured bearing
After split span size calculating sliding block 8 enters the depth of sliding slot 7, sliding block 8 and sliding slot 7 are fixed together with screw 9, to
Realize the adjustment of bridge gauge span size.
As shown in Figure 2,3, the downward seam allowance 10 in end face is offered in the middle part of bridge gauge 2 through hole 5, gauge block 4 has
The cross sectional dimensions at measurement end 11 and screw rod end 12, the measurement end 11 is more than and the cross sectional dimensions at screw rod end 12, measurement end
11 have the top of the bottom and connecting screw end 12 that are contacted with measured rotor top surface, between 11 top of measurement end and seam allowance 10 also
It is provided at least one cushion block 13, selected cushion block 13 is passed through from screw rod end 12 and be stacked in 11 top of measurement end, then will be matched
Set the measurement end 11 of cushion block 13 downward, screw rod end 12 upward, from bridge gauge in the middle part of 2 bottoms extended in bridge gauge by through hole 5
Portion 2 contacts 11 bottom of measurement end with measured rotor cover, and cushion block 13 is adjacent to seam allowance 10, and 2 top surfaces are by nut in the middle part of bridge gauge
14 connect and fix with screw rod end 12.
It is specific measuring and operating method below：When turbine rotor is installed for the first time, when gauge block 4 is arrived at across through hole 5
When rotor surface, the distance between 11 top of measurement end and seam allowance 10 are substantially calculated, and according to the distance constantly adjustment, selection
The specification and quantity of cushion block 13, until one or more selected cushion blocks 13 overlay 11 top of measurement end through nut 14 and screw rod
It can be measured when being bonded with 10 end face of seam allowance after 12 connection of end and to record measurement result spare.Each overhaul etc. after unit operation
In the case of need to repeat the above steps again and measure and record measurement result, above-mentioned from identical measured bearing measures twice
As a result difference can calculate the variation size of bearing dynamical height, and then determine the wear extent of radial journal bearing bearing shell.
Above-described embodiment is only used for that same domain technical staff is helped to understand invention, does not have any limit to the content of present invention
System, it should be appreciated that：
（1）, in this embodiment in the middle part of bridge gauge 2 with 2 cross section has been respectively adopted on the right side of bridge gauge 3 in the middle part of 1, bridge gauge on the left of bridge gauge
Coordinate for rectangular sliding block 8 and sliding slot 7, when practice is also not excluded for be designed to other shapes of cross section, matches logarithm
Amount is also not necessarily limited to two pairs；
（2）, 2 in the middle part of bridge gauge used by cylindricality straight beam cross section can be rectangular, can also be round or other shapes；
（3）, sliding block 8 and sliding slot 7 be also not necessarily limited to the mode being screwed.
（4）, the shape of through hole 5 and the cross-sectional shape of measurement end 11 be identical, round, rectangular or six sides can be selected
Shape etc..
Technical solution involved by above-mentioned 4 points is in consideration manufacturing process, functional effect, the factors such as whether installing and dismounting facilitates
On the basis of, it can be carried out simply deducing and replacing by same domain technical staff.
Claims (4)
1. a kind of adjustable bridge gauge for turbomachinery bearing shell level measurement, which is characterized in that including on the left of bridge gauge（1）, bridge
Rule middle part（2）, bridge gauge right side（3）, gauge block（4）, the bridge gauge left side（1）With bridge gauge right side（3）It is respectively provided with by default
The both ends of angle distribution, the bridge gauge left side（1）Extend to the right with the lower end and level extended downwards by default angle
Upper end, the bridge gauge right side（3）With the lower end extended downwards by default angle and the horizontal upper end extended to the left, described
On the left of bridge gauge（1）Lower end and bridge gauge right side（3）Lower end is respectively arranged with protrusion（6）, the protrusion（6）Lower face be water
Plane, and on the left of bridge gauge（1）Lower end protrusion（6）Lower face and bridge gauge on the right side of（3）Lower end protrusion（6）Lower face be in
Same level, the protrusion（6）Lower face contacted with measured bearing case horizontal flange as positioning surface, the bridge gauge
Middle part（2）For the horizontal straight beam of cylindricality, the bridge gauge left side（1）Upper end and the bridge gauge in the middle part of（2）Left end connects, on the right side of bridge gauge
（3）Upper end and the bridge gauge in the middle part of（2）Right end connects, in the middle part of the bridge gauge（2）With bridge gauge left side（1）, on the right side of bridge gauge（3）It presses
Aforesaid way connection composition arch bridge gauge；
In the middle part of the bridge gauge（2）Center is provided with the through hole of vertical direction（5）, the gauge（4）Across the through hole
（5）Reach measured rotor to measure.
2. adjustable bridge gauge as described in claim 1, which is characterized in that on the left of the bridge gauge（1）With bridge gauge right side（3）
The default angle at respective both ends is equal and is greater than or equal to 90 °, is less than or equal to 135 °.
3. adjustable bridge gauge as described in claim 1, which is characterized in that in the middle part of the bridge gauge（2）Left and right ends are provided with sliding slot
（7）, bridge gauge left side（1）Upper end is provided with sliding block（8）And with bridge gauge in the middle part of（2）Left end sliding slot（7）It is fixed together with merging, bridge
Rule right side（3）Upper end is provided with sliding block（8）And with bridge gauge in the middle part of（2）Right end sliding slot（7）It is fixed together with merging.
4. adjustable bridge gauge as claimed any one in claims 1 to 3, which is characterized in that be located in the middle part of bridge gauge（2）Perforation
Hole（5）In offer the downward seam allowance in end face（10）, the gauge block（4）With measurement end（11）With screw rod end（12）, the survey
Measure end（11）Cross sectional dimensions be more than and screw rod end（12）Cross sectional dimensions, the measurement end（11）Have and measured rotor
The bottom and the connection screw rod end of contact（12）Top, gauge block（4）When work, the measurement end（11）Top and seam allowance
（10）Between be additionally provided at least one cushion block（13）, the screw rod end（12）In the middle part of from bridge gauge（2）Bottom passes through through hole（5）
Extend in the middle part of bridge gauge（2）, in the middle part of bridge gauge（2）Top surface is by nut（14）With screw rod end（12）It connects and fixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408731.XA CN108278991A (en) | 2017-12-22 | 2017-12-22 | Adjustable bridge gauge for turbomachinery bearing shell level measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408731.XA CN108278991A (en) | 2017-12-22 | 2017-12-22 | Adjustable bridge gauge for turbomachinery bearing shell level measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108278991A true CN108278991A (en) | 2018-07-13 |
Family
ID=62802093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408731.XA Withdrawn CN108278991A (en) | 2017-12-22 | 2017-12-22 | Adjustable bridge gauge for turbomachinery bearing shell level measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108278991A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1470802A (en) * | 1920-01-22 | 1923-10-16 | Pratt & Whitney Co | Gauge |
| DD264977A1 (en) * | 1987-11-23 | 1989-02-15 | Leipzig Werkstoffpruefmasch | PRECISION probe |
| CN2214437Y (en) * | 1995-03-21 | 1995-12-06 | 怀化铁路总公司吉首工务段 | Adjustable switch pulling lever |
| WO2000070295A1 (en) * | 1999-05-12 | 2000-11-23 | Mats Lindh | Measuring device for assessing slaughter maturity |
| CN2415341Y (en) * | 2000-03-23 | 2001-01-17 | 上海宝钢集团公司 | Connecting flange centring device for coupling |
| CN201212804Y (en) * | 2008-06-25 | 2009-03-25 | 天津三五二二工厂 | Axle keyway depth measuring ruler |
| CN201780089U (en) * | 2010-07-15 | 2011-03-30 | 浙江永力达数控机床有限公司 | Measuring instrument for measuring roundness of workpieces |
| CN203011294U (en) * | 2012-12-11 | 2013-06-19 | 哈尔滨奥瑞德蓝宝石制品有限公司 | Device for accurate dimension measurement |
| CN203928986U (en) * | 2014-06-13 | 2014-11-05 | 中核核电运行管理有限公司 | Turbine bearing pad level measurement specific purpose tool |
| CN104457515A (en) * | 2014-11-11 | 2015-03-25 | 常州煜尔锐精密工具有限公司 | Special measuring tool |
| CN205119971U (en) * | 2015-10-20 | 2016-03-30 | 大连冶金轴承股份有限公司 | Measure large -scale tapered roller bearing's bridge type dipperstick |
| CN206504679U (en) * | 2017-02-24 | 2017-09-19 | 广西防城港核电有限公司 | Bridge gauge for measuring bearing neck dipping inclination value |
-
2017
- 2017-12-22 CN CN201711408731.XA patent/CN108278991A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1470802A (en) * | 1920-01-22 | 1923-10-16 | Pratt & Whitney Co | Gauge |
| DD264977A1 (en) * | 1987-11-23 | 1989-02-15 | Leipzig Werkstoffpruefmasch | PRECISION probe |
| CN2214437Y (en) * | 1995-03-21 | 1995-12-06 | 怀化铁路总公司吉首工务段 | Adjustable switch pulling lever |
| WO2000070295A1 (en) * | 1999-05-12 | 2000-11-23 | Mats Lindh | Measuring device for assessing slaughter maturity |
| CN2415341Y (en) * | 2000-03-23 | 2001-01-17 | 上海宝钢集团公司 | Connecting flange centring device for coupling |
| CN201212804Y (en) * | 2008-06-25 | 2009-03-25 | 天津三五二二工厂 | Axle keyway depth measuring ruler |
| CN201780089U (en) * | 2010-07-15 | 2011-03-30 | 浙江永力达数控机床有限公司 | Measuring instrument for measuring roundness of workpieces |
| CN203011294U (en) * | 2012-12-11 | 2013-06-19 | 哈尔滨奥瑞德蓝宝石制品有限公司 | Device for accurate dimension measurement |
| CN203928986U (en) * | 2014-06-13 | 2014-11-05 | 中核核电运行管理有限公司 | Turbine bearing pad level measurement specific purpose tool |
| CN104457515A (en) * | 2014-11-11 | 2015-03-25 | 常州煜尔锐精密工具有限公司 | Special measuring tool |
| CN205119971U (en) * | 2015-10-20 | 2016-03-30 | 大连冶金轴承股份有限公司 | Measure large -scale tapered roller bearing's bridge type dipperstick |
| CN206504679U (en) * | 2017-02-24 | 2017-09-19 | 广西防城港核电有限公司 | Bridge gauge for measuring bearing neck dipping inclination value |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180713 |