CN107941133A - The convenient survey tool of turbine shafting centering - Google Patents
The convenient survey tool of turbine shafting centering Download PDFInfo
- Publication number
- CN107941133A CN107941133A CN201810065227.2A CN201810065227A CN107941133A CN 107941133 A CN107941133 A CN 107941133A CN 201810065227 A CN201810065227 A CN 201810065227A CN 107941133 A CN107941133 A CN 107941133A
- Authority
- CN
- China
- Prior art keywords
- survey tool
- swelling bar
- leading screw
- turbine shafting
- shafting centering
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
Abstract
The invention discloses a kind of convenient survey tool of turbine shafting centering, including swelling bar, the both ends of swelling bar are respectively penetrated in the coupling bolt hole of body of rod both sides, and are fixed by locking fixture；The side of wherein swelling bar is fixed with dial indicator bracket, and high-precision screw is provided with dial indicator bracket；Swelling bar is the middle taper reducing body of rod thick, small in ends, and the both ends of swelling bar are respectively arranged with positioning leading screw；The left side positioning leading screw of swelling bar passes through the coupling bolt hole on the left side, and is fixed by the left locking location nut positioned at left side positioning leading screw and left lock washer and the shaft coupling on the left side.Present invention may apply to the convenient survey tool of different model turbine shafting centering, the present invention can meet the different diameters of bolt, different rotor to taking turns the shaft coupling alignment demand with bearing block spacing by the adjusting of split expansion set outside diameter from the switching of high-precision screw；Strong operability of the present invention, it is efficient, it is applied widely, it is avoided that all unnecessary errors, ensures the accuracy of measurement data.
Description
Technical field
The present invention relates to the overhaul of the equipments field of tool such as electric power enterprise Turbo-generator Set, specially one kind is practically applicable to various
The convenient survey tool of turbine shafting centering.
Background technology
With the development of society, especially scientific and technical progress, is greatly facilitated the rapid development of social productive forces, especially
It is the popularization and application of electric power, and powerful power support, and electric power are provided for the development of the multiple fields such as informationization, intelligence
Ample supply guarantee, have become big to country, the small important leverage to family.
In power industry, steam turbine is an important generating equipment, and the energy of steam is converted into the rotation of mechanical work
Rotatable dynamic power machine, also known as steam turbine；Prime mover of power generation is mainly used as, can also directly drive various pumps, wind turbine, compression
Machine and propeller for vessels etc..Steam discharge or the intermediate extraction of steam turbine can also be utilized；Steam turbine is bulky, steam turbine equipment
In installation, maintenance process, turbine shafting alignment is an important procedure.The precision quality at rotor axial system center, direct shadow
Ring steamer repair after total quality, and in next maintenance interval unit it is safe for operation.Rotor alignment is typically employed in two
Three pieces of dial gauges of rotor restocking, and be rotated by 360 ° at the same time, the measurement data of each position is recorded respectively, so as to measure, calculate two
The relative position of rotor（Cylindrical deviation and size of dehiscing）.Due to equal installed capacity, the steam turbine generator of different manufacturers
Group turbine rotor is different, and same manufacturer, the Turbo-generator Set turbine rotor of different installed capacitys are different, and steam turbine turns
Son is different from bearing block distance, oil system pipeline arrangement is different in bearing block, so in unit maintenance, it usually needs adopt
With different model, the special frame table instrument of pattern, the huge burden brought for service work, has rewarded work efficiency significantly
And the cost of overhaul.
Therefore it provides a kind of shafting alignment measuring apparatus that can be suitable for different model steam turbine, being one is worth grinding
The problem of studying carefully.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the present invention provides one kind can pass through split expansion set outside diameter
The switching of adjusting and high-precision screw meet that the different diameters of bolt, different rotor look for the shaft coupling of wheel and bearing block spacing
Focal need can be adapted for the convenient survey tool of different model turbine shafting centering.
The object of the present invention is achieved like this：
The convenient survey tool of turbine shafting centering, including swelling bar 1, the both ends of swelling bar 1 are respectively penetrated positioned at body of rod both sides
Coupling bolt hole in, and be fixed by locking fixture；The side of wherein swelling bar 1 is fixed with dial indicator bracket 2,
High-precision screw 9 is provided with dial indicator bracket 2；
The swelling bar 1 is the middle taper reducing body of rod thick, small in ends, and the both ends of swelling bar 1 are respectively arranged with positioning filament
Thick stick 8；
The left side positioning leading screw of the swelling bar 1 passes through the coupling bolt hole on the left side, and by positioning leading screw positioned at left side
Left locking location nut 3 and left lock washer 4 and the shaft coupling on the left side fix；
Split expansion set 5 is provided with the coupling bolt hole on the left side；
The split expansion set 5 is made of the swollen valve of the identical split of pintongs size, shape；
The right side of the swelling bar 1 is provided with right positioning leading screw, right positioning leading screw by the interior coupling bolt hole for wearing the right,
And the fixation of dial indicator bracket 2 and the shaft coupling on the right is realized by right locking locating piece；
The right locking locating piece includes being arranged on the positioning of the right side one lock nut 6 being successively set on right positioning leading screw, the right side
One lock washer 11, dial indicator bracket 2, right two locking washer 10 and right two position and lock nuts 7；
The 2 rectangular shape of dial indicator bracket, be provided with one of right-angle side in wear the elliptical aperture 14 of right positioning leading screw
With the first dial gauge hole 12；The second dial gauge hole 13 is provided with another right-angle side；
High-precision screw 9 is provided with the first dial gauge hole 12 and the second dial gauge hole 13；
The first dial gauge hole 12 and the second dial gauge hole 13 is symmetrical arranged.
Positive beneficial effect：Present invention may apply to the convenient survey tool of different model turbine shafting centering, this hair
It is bright the different diameters of bolt, different rotor to be met from the switching of high-precision screw by the adjusting of split expansion set outside diameter
To taking turns the shaft coupling alignment demand with bearing block spacing；Strong operability of the present invention, it is efficient, it is applied widely, it is avoided that institute
There is unnecessary error, ensure the accuracy of measurement data.
Brief description of the drawings
Fig. 1 is the usage state diagram of the present invention；
Fig. 2 is partial enlarged view at the B of Fig. 1；
Fig. 3 is the structure diagram of swelling bar；
Fig. 4 is the structure chart one of dial indicator bracket；
Fig. 5 is the structure diagram two of dial indicator bracket；
Fig. 6 is the structure diagram three of dial indicator bracket；
Fig. 7 is the half section structure diagram one of split expansion set；
Fig. 8 is the half section structure diagram two of split expansion set；
Fig. 9 is the half section structure diagram three of split expansion set；
Figure 10 is the half section structure diagram four of split expansion set；
It is in figure：Swelling bar 1, dial indicator bracket 2, left locking location nut 3, left lock washer 4, split expansion set 5, the right side one position
Lock nut 6, right two position and lock nuts 7, positioning leading screw 8, high-precision screw 9, a right lock washer 11, the first dial gauge hole
12nd, the second dial gauge hole 13, elliptical aperture 14, dial gauge A.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described further：
As shown in Figs. 1-3, the convenient survey tool of turbine shafting centering, including swelling bar 1, the both ends of swelling bar 1 respectively penetrate
In the coupling bolt hole of body of rod both sides, and it is fixed by locking fixture；The side of wherein swelling bar 1 is fixed with
Dial indicator bracket 2, is provided with high-precision screw 9 on dial indicator bracket 2；
The swelling bar 1 is the middle taper reducing body of rod thick, small in ends, and the both ends of swelling bar 1 are respectively arranged with positioning filament
Thick stick 8；
The left side positioning leading screw of the swelling bar 1 passes through the coupling bolt hole on the left side, and by positioning leading screw positioned at left side
Left locking location nut 3 and left lock washer 4 and the shaft coupling on the left side fix；
Split expansion set 5 is provided with the coupling bolt hole on the left side；
The split expansion set 5 is made of the swollen valve of the identical split of pintongs size, shape；
The right side of the swelling bar 1 is provided with right positioning leading screw, right positioning leading screw by the interior coupling bolt hole for wearing the right,
And the fixation of dial indicator bracket 2 and the shaft coupling on the right is realized by right locking locating piece；
The right locking locating piece includes being arranged on the positioning of the right side one lock nut 6 being successively set on right positioning leading screw, the right side
One lock washer 11, dial indicator bracket 2, right two locking washer 10 and right two position and lock nuts 7；
As shown in Figure 4, Figure 5 and Figure 6, the 2 rectangular shape of dial indicator bracket, be provided with one of right-angle side in wear the right side
Position the 14 and first dial gauge hole 12 of elliptical aperture of leading screw；The second dial gauge hole 13 is provided with another right-angle side；
High-precision screw 9 is provided with the first dial gauge hole 12 and the second dial gauge hole 13；
The first dial gauge hole 12 and the second dial gauge hole 13 is symmetrical arranged.
The present invention includes split expansion set, swelling bar, locking fixture, four part of dial indicator bracket, and swelling bar both ends are fixed
Position screw 8, swelling bar one end is equipped with dial indicator bracket, passes through mobile completion dial gauge branch of the position and lock part on positioning screw rod
Movement and positioning of the frame on swelling bar, the other end are equipped with split expansion set, after split expansion set internal taper coordinates with swelling bar, pass through
Locking fixture locking positioning.
The locking fixture is made of external hexagonal locking nut, lock washer, the locking of position and lock part outer-hexagonal
Nut is by being fixed on the positioning screw rod of swelling boom end, upper and lower, front and back position of the adjustment dial indicator bracket on swelling bar,
Interior positioning locking piece external hexagonal locking nut, which is fixed on the positioning screw rod of swelling boom end, locks dial indicator bracket, locking positioning
Part is fixed on the positioning screw rod of swelling bar opposite side, and split expansion set is fixed on rotor on wheel, the lock washer is located at
Between external hexagonal locking nut and dial indicator bracket, split expansion set.
The both ends band positioning screw rod of the swelling bar, is wherein inside and outside tapered rod in the positioning screw rod of side, swelling bar taper
Part coordinates with split expansion set inner taper split-phase, can be more closely by a kind of convenient survey tool of turbine shafting centering
It is fixed on to taking turns in bolt hole, and bolt hole will not be caused to damage.
As is seen in figs 7-10, the split expansion set is made of the swollen valve of the identical split of pintongs size, shape, can be by adding
Work for taper is constant, swollen valve of different wall adapt to different-diameter to taking turns bolt hole, it does not have to change swelling bar size, is applicable in
Property it is strong, combination is convenient.
The dial indicator bracket is provided simultaneously with circumference, measurement means of dehiscing, and the holding screw of mounting hole can ensure conscientiously
The fastness of survey tool.When shaft coupling and bearing block spacing be not enough to circumference dial gauge by when, clearance gauge, high accuracy can be used
Screw fit measures circular data.
Embodiment 1
As shown in Figs. 1-3, the bolt hole of swelling bar 1 from the shaft coupling of wherein any side is passed through first, wherein on swelling bar
Split expansion set 5 is combined as full circle by the side with taper after corresponding bolt hole penetrates in the bolt hole（It is swollen in split expansion set
Valve is cylindrical and bolt hole in smear newborn lubricating oil）, swelling bar is passed through from split expansion set full circle, a lock washer left side 4 be put into
Afterwards, left locking location nut 3 is tightened.In the opposite side of swelling bar, the rotation adjustment right side one positions lock nut 6, makes dial gauge branch
Frame 2 is put into a right lock washer 11, is put into dial indicator bracket after rotor axial position suitable（2）, adjust dial indicator bracket 2
After position suitable on shaft coupling circumference, right two locking washer 10 are put into, tighten right two position and lock nuts 7.Usually in vapour
During turbine generator group shaft coupling alignment, 3 groups of devices are set up in the screw hole of side shaft coupling, then 2 are dehisced
Dial gauge（It is arranged symmetrically）On the first dial gauge hole 12,1 circumference dial gauge is installed on the second dial gauge hole 13.Peace
After the completion of dress, the centre deviation value that can accurately measure two rotors is rotated by 360 °, so as to meet steam turbine installation, maintenance essence
Degree and quality requirement.The present invention can meet the shaft coupling spiral shell of different-diameter size by split expansion set, completely from shaft coupling
The influence of spacing size, so that the device can be used by ensureing the steam turbine of various models.The present invention can by split expansion set
To meet the shaft coupling spiral shell of different-diameter size, the completely influence from shaft coupling spacing size, so as to ensure various models
Steam turbine can use the device.
Embodiment 2
If shaft coupling and bearing housing spacing are smaller, circumference measurement dial gauge can not normal through when, circumference dial gauge can be removed
Afterwards, high-precision screw 9 is screwed in, the measurement of circular data is completed by high-precision screw, further increases the practicality of the present invention
Property.
Present invention may apply to the convenient survey tool of different model turbine shafting centering, the present invention can pass through split
Expansion set outside diameter is adjusted from the switching of high-precision screw to meet the different diameters of bolt, different rotor between wheel and bearing block
Away from shaft coupling alignment demand；Strong operability of the present invention, it is efficient, it is applied widely, it is avoided that all unnecessary errors,
Ensure the accuracy of measurement data.
Above case study on implementation is merely to illustrate the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, in the knowledge that the field those of ordinary skill possesses, that is made within the spirit and principles in the present invention is any
Modification, equivalent substitute and improvement etc., are regarded as the protection domain of the application.
Claims (10)
1. the convenient survey tool of turbine shafting centering, it is characterised in that：Including swelling bar（1）, swelling bar（1）Both ends difference
Penetrate in the coupling bolt hole of body of rod both sides, and be fixed by locking fixture；Wherein swelling bar（1）Side
It is fixed with dial indicator bracket（2）, dial indicator bracket（2）On be provided with high-precision screw（9）.
2. the convenient survey tool of turbine shafting centering according to claim 1, it is characterised in that：The swelling bar
（1）For the middle taper reducing body of rod thick, small in ends, swelling bar（1）Both ends be respectively arranged with positioning leading screw（8）.
3. the convenient survey tool of turbine shafting centering according to claim 2, it is characterised in that：The swelling bar
（1）Left side positioning leading screw pass through the left side coupling bolt hole, and pass through positioned at left side position leading screw left locking position spiral shell
It is female（3）With left lock washer（4）Fixed with the shaft coupling on the left side.
4. the convenient survey tool of turbine shafting centering according to claim 3, it is characterised in that：The connection on the left side
Split expansion set is provided with axis device bolt hole（5）.
5. the convenient survey tool of turbine shafting centering according to claim 4, it is characterised in that：The split expansion set
5 are made of the swollen valve of the identical split of pintongs size, shape.
6. the convenient survey tool of turbine shafting centering according to claim 1, it is characterised in that：The swelling bar
（1）Right side be provided with right positioning leading screw, right positioning leading screw is and fixed by right locking by the interior coupling bolt hole for wearing the right
Position part realizes dial indicator bracket（2）With the fixation of the shaft coupling on the right.
7. the convenient survey tool of turbine shafting centering according to claim 6, it is characterised in that：The right locking is determined
Position part includes being arranged on the positioning of the right side one lock nut being successively set on right positioning leading screw（6）, a right lock washer（11）, hundred
Divide table stent（2）, right two locking washer（10）With right two position and lock nuts（7）.
8. the convenient survey tool of turbine shafting centering according to claim 7, it is characterised in that：The dial gauge branch
Frame（2）Rectangular shape, be provided with one of right-angle side in wear elliptical aperture (14) and the first dial gauge hole of right positioning leading screw
（12）；The second dial gauge hole is provided with another right-angle side（13）.
9. the convenient survey tool of turbine shafting centering according to claim 7, it is characterised in that：First percentage
Table hole（12）With the second dial gauge hole（13）Inside it is provided with high-precision screw（9）.
10. the convenient survey tool of turbine shafting centering according to claim 8 or claim 9, it is characterised in that：Described first
Dial gauge hole（12）With the second dial gauge hole（13）It is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065227.2A CN107941133A (en) | 2018-01-23 | 2018-01-23 | The convenient survey tool of turbine shafting centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065227.2A CN107941133A (en) | 2018-01-23 | 2018-01-23 | The convenient survey tool of turbine shafting centering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107941133A true CN107941133A (en) | 2018-04-20 |
Family
ID=61937780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810065227.2A Pending CN107941133A (en) | 2018-01-23 | 2018-01-23 | The convenient survey tool of turbine shafting centering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941133A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480330A (en) * | 2019-09-10 | 2019-11-22 | 吕俊杰 | Large machines shaft coupling centering platform |
| WO2024078322A1 (en) * | 2022-10-12 | 2024-04-18 | 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 | Special device for measuring center of connecting shaft of steam turbine |
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|---|---|---|---|---|
| CN202350723U (en) * | 2011-11-11 | 2012-07-25 | 天津电力建设公司 | Fixing support for centre alignment for paired wheels of large steam turbine |
| CN203572431U (en) * | 2013-12-10 | 2014-04-30 | 成都海光核电技术服务有限公司 | Vibration-proof shaft coupling centering device |
| CN205166369U (en) * | 2015-11-27 | 2016-04-20 | 东方电气集团东方汽轮机有限公司 | Well instrument is looked for to rotor shaft coupling |
| CN205642260U (en) * | 2016-05-05 | 2016-10-12 | 广西建工集团第二安装建设有限公司 | Adjustment specialized tool is measured to shaft coupling axiality |
| CN205909772U (en) * | 2016-08-17 | 2017-01-25 | 湖北省电力建设第二工程公司 | Turbine rotor alignment frame table instrument |
| CN206019556U (en) * | 2016-09-20 | 2017-03-15 | 中国能源建设集团广东火电工程有限公司 | A kind of centering coupling device |
| CN207763638U (en) * | 2018-01-23 | 2018-08-24 | 国家电投集团河南电力检修工程有限公司 | The convenient survey tool of turbine shafting centering |
-
2018
- 2018-01-23 CN CN201810065227.2A patent/CN107941133A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202350723U (en) * | 2011-11-11 | 2012-07-25 | 天津电力建设公司 | Fixing support for centre alignment for paired wheels of large steam turbine |
| CN203572431U (en) * | 2013-12-10 | 2014-04-30 | 成都海光核电技术服务有限公司 | Vibration-proof shaft coupling centering device |
| CN205166369U (en) * | 2015-11-27 | 2016-04-20 | 东方电气集团东方汽轮机有限公司 | Well instrument is looked for to rotor shaft coupling |
| CN205642260U (en) * | 2016-05-05 | 2016-10-12 | 广西建工集团第二安装建设有限公司 | Adjustment specialized tool is measured to shaft coupling axiality |
| CN205909772U (en) * | 2016-08-17 | 2017-01-25 | 湖北省电力建设第二工程公司 | Turbine rotor alignment frame table instrument |
| CN206019556U (en) * | 2016-09-20 | 2017-03-15 | 中国能源建设集团广东火电工程有限公司 | A kind of centering coupling device |
| CN207763638U (en) * | 2018-01-23 | 2018-08-24 | 国家电投集团河南电力检修工程有限公司 | The convenient survey tool of turbine shafting centering |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480330A (en) * | 2019-09-10 | 2019-11-22 | 吕俊杰 | Large machines shaft coupling centering platform |
| CN110480330B (en) * | 2019-09-10 | 2020-06-26 | 乐清市芮易经济信息咨询有限公司 | Large-scale machine coupling centering platform |
| WO2024078322A1 (en) * | 2022-10-12 | 2024-04-18 | 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 | Special device for measuring center of connecting shaft of steam turbine |
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