CN215725653U - Special centering and aligning tool for centrifugal compressor unit coupler - Google Patents
Special centering and aligning tool for centrifugal compressor unit coupler Download PDFInfo
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- CN215725653U CN215725653U CN202122062202.7U CN202122062202U CN215725653U CN 215725653 U CN215725653 U CN 215725653U CN 202122062202 U CN202122062202 U CN 202122062202U CN 215725653 U CN215725653 U CN 215725653U
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- 238000010168 coupling process Methods 0.000 claims abstract description 32
- 238000005859 coupling reaction Methods 0.000 claims abstract description 32
- 230000008878 coupling Effects 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a special centering and aligning tool for a centrifugal compressor unit coupler, which comprises a positioning disc and a measuring table, wherein the positioning disc is fastened on one surface of a lower half coupler of a centrifugal compressor unit, which is close to an upper half coupler of the centrifugal compressor unit, through a screw; the measuring table is fixed on one surface of the upper half coupling close to the lower half coupling of the centrifugal compressor unit, a plurality of measuring gauge heads are arranged at the top of the measuring table, gauge needles of the measuring gauge heads are in contact with the positioning disc, and data measurement and feedback are carried out; the utility model is simple and practical, is easy to install, can directly fix the positioning disk and the measuring table through the existing threads of the coupler, can measure monitoring data in real time through the measuring gauge outfit on the measuring table, and can visually observe the eccentric amount of the shaft heads at two ends, and the measurement of a plurality of measuring gauge outfits can eliminate the influence of axial displacement when the rotor rotates, thereby obviously improving the accuracy of the alignment compared with the single gauge.
Description
Technical Field
The utility model mainly relates to the field of centrifugal compressors, in particular to a special tool for centering and aligning a coupler of a centrifugal compressor unit.
Background
The coupling centering of the centrifugal compressor unit is a guarantee condition for stable operation of the unit, when the driving machine and the compressor are installed on the chassis, the unit is in a cold state, and when the driving machine and the compressor actually operate, the unit is in a hot state. Due to the influences of rotor disturbance, thermal expansion of a machine caused by medium temperature rise, oil film thickness of a bearing and the like, the position changes of the driving machine shaft head and the compressor shaft head are different in a hot state, and in order to ensure that the position deviation of the two end shaft heads is close to zero in the hot state, the eccentricity of the two end shaft heads needs to be adjusted in a cold state according to given calculation data, namely, cold centering and aligning of a coupler of the unit are carried out.
At present, a better alignment method is not available, only multiple single-point measurements can be carried out, and the measurement result is inaccurate while the operation is complicated.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a special tool for centering and aligning a centrifugal compressor unit coupling, which comprises a positioning disc 2 and a measuring table, wherein:
the positioning disc 2 is fastened on one surface of a lower half coupling 12 of the centrifugal compressor unit, which is close to an upper half coupling 11 of the centrifugal compressor unit, through screws;
the measuring table is fixed on one surface of the upper half coupling 11 close to the lower half coupling 12 of the centrifugal compressor unit, a plurality of measuring gauge heads are installed at the top, gauge needles of the measuring gauge heads are in contact with the positioning disk 2, and data measurement and feedback are carried out.
Preferably, the measuring table consists of a connecting disc 8, a sleeve 3 and a measuring disc 1, wherein the connecting disc 8 is fixed on the upper half coupling 11 through a screw and is connected with the measuring disc 1 through the sleeve 3.
Preferably, the sleeve 3 is divided into an inner sleeve 31 and an outer sleeve 32, and is fixed by the adjusting fitting 4, the inner sleeve 31 is fixedly connected with the connecting plate 8 by welding, and the outer sleeve 32 is fixedly connected with the measuring disc 1 by welding.
Preferably, the adjustment fitting 4 is an adjustment screw.
Preferably, the measuring gauge head is divided into an axial dial indicator 6 and a radial dial indicator 5, and the axial dial indicator 6 is positioned at two sides of the measuring disc 1 and symmetrically provided with two axial dial indicators; the radial dial indicator 5 is positioned on the side wall of the measuring disc 1, the pointer of the axial dial indicator 6 is in contact with the surface of the positioning disc 2, real-time data are measured, parallelism feedback is carried out, the pointer of the radial dial indicator 5 is in contact with the side wall of the positioning disc 2, real-time data are measured, and deflection feedback is carried out.
Preferably, the top of the measuring disc 1 is provided with a detection area, and the size of the detection area is larger than that of the positioning disc 2.
Preferably, the measuring gauge head is fixed by a screw 7 after passing through the measuring table.
Preferably, the diameter of the positioning disc 2 is 300mm, the upper surface and the lower surface are parallel, the surface of one surface close to the measuring table is smooth, and the roughness grade is Ra6.3.
Preferably, the top and the bottom of the measuring table are parallel, one surface close to the positioning disc 2 is parallel to the surface of the positioning disc 2, and the roughness grade is Ra6.3.
Preferably, the flatness of the surface of the positioning plate 2 close to the measuring table is less than 0.05mm, and the flatness of the surface of the measuring table close to the positioning plate 2 is less than 0.05 mm.
The utility model has the beneficial effects that: simple and practical, easily installation, through the existing screw thread of shaft coupling, can directly fixed positioning disk and measuring table to through the measurement gauge outfit on the measuring table, real-time measurement monitoring data, the eccentric quantity of audio-visual observation both ends spindle nose, the influence of the axial displacement quantity when the rotor rotates can be eliminated in the measurement of a plurality of measurement gauge outfits, compare the accuracy of list looking for right time, there is apparent improvement.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of a second embodiment of the present invention;
FIG. 3 is a diagram of a third structure according to an embodiment of the present invention;
FIG. 4 is a diagram of a fourth embodiment of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a measuring table; 2. positioning a plate; 3. a sleeve; 4. an adjusting screw; 5. a radial dial indicator; 6. an axial dial indicator; 7. a screw; 8. a connecting disc; 11. an upper half coupling; 12. a lower half coupling; 31. an inner sleeve; 32. an outer sleeve.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the utility model only and are not intended to limit the scope of the utility model.
The first embodiment is as follows: as shown in fig. 1, the present invention includes: positioning plate 2 and measuring station, wherein:
the positioning disc 2 is fastened on one surface of a lower half coupling 12 of the centrifugal compressor unit, which is close to an upper half coupling 11 of the centrifugal compressor unit, through screws;
the measuring table is fixed on one surface of the upper half coupling 11 close to the lower half coupling 12 of the centrifugal compressor unit, a plurality of measuring gauge heads are installed at the top, gauge needles of the measuring gauge heads are in contact with the positioning disk 2, and data measurement and feedback are carried out.
In use, the positioning disc 2 is fixed on the lower half coupling 12 and used as a carrier to be measured, so that the gauge needle is prevented from being in direct contact with the coupling and being abraded. The measuring table is installed on the upper half coupling 11, data measurement can be carried out through a plurality of measuring gauge heads on the top, and the eccentric amount of the coupling is adjusted manually.
Example two: as shown in fig. 2, the measuring table is composed of a connecting disc 8, a sleeve 3 and a measuring disc 1, wherein the connecting disc 8 is fixed on the upper coupling half 11 through a screw and is connected with the measuring disc 1 through the sleeve 3.
In the present embodiment, the sleeve 3 is preferably divided into two parts, i.e., an inner sleeve 31 and an outer sleeve 32, and is fixed by the adjustment fitting 4, the inner sleeve 31 is fixedly connected to the connection plate 8 by welding, and the outer sleeve 32 is fixedly connected to the measuring dial 1 by welding.
In the present embodiment, the adjusting fitting 4 is preferably an adjusting screw.
With the above structure, the sleeve 3 is composed of the inner sleeve 31 and the outer sleeve 32, so that the position of the measuring disc 1 can be conveniently adjusted, and the connecting disc 8 is used for fixing the upper half coupling 11. The adjusting part 4 adopts an adjusting screw, so that the cost is reduced, and the replacement after the stress deformation is convenient.
Example three: as shown in fig. 3, the measuring gauge head is divided into an axial dial indicator 6 and a radial dial indicator 5, and the axial dial indicator 6 is positioned at two sides of the measuring disc 1 and symmetrically provided with two axial dial indicators; the radial dial indicator 5 is positioned on the side wall of the measuring disc 1, the pointer of the axial dial indicator 6 is in contact with the surface of the positioning disc 2, real-time data are measured, parallelism feedback is carried out, the pointer of the radial dial indicator 5 is in contact with the side wall of the positioning disc 2, real-time data are measured, and deflection feedback is carried out.
In this embodiment, it is preferable that the measuring disc 1 has a detecting area on the top, and the size of the detecting area is larger than that of the positioning disc 2.
In this embodiment, the gauge head is preferably fixed by a screw 7 after passing through the measuring table.
With the structure, the axial dial indicator 6 is used for measuring the deflection degree between the upper half coupling 11 and the lower half coupling 12, and the radial dial indicator 5 is used for measuring the concentricity between the upper half coupling 11 and the lower half coupling 12.
The use of the two axial dial indicators 6 can eliminate the influence of axial play when the rotor rotates, provide more accurate measurement data and improve the precision after final alignment.
All the measuring gauge heads are fixed by screws 7, so that the measuring gauge heads can be conveniently mounted, dismounted and replaced.
Example four: as shown in FIG. 4, the diameter of the positioning plate 2 is 300mm, the upper surface and the lower surface are parallel, the surface of the surface close to the measuring table is smooth, and the roughness grade is Ra6.3.
In the present embodiment, preferably, the top and the bottom of the measuring table are parallel, and the surface close to the positioning disk 2 is parallel to the surface of the positioning disk 2, and the roughness grade is ra 6.3.
In this embodiment, the flatness of the surface of the positioning plate 2 close to the measuring table is preferably less than 0.05mm, and the flatness of the surface of the measuring table close to the positioning plate 2 is preferably less than 0.05 mm.
With the above structure, the positioning plate 2 has a diameter of 300mm, is a measurement position of the radial gauge, is the same as the assumed diameter of the cold centering calculation data, facilitates the theoretical calculation of the actual deviation data, and reduces the error between the arrangement of each parallel plane and the actual measurement.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (10)
1. The utility model provides a special frock of centrifugal compressor unit shaft coupling centering alignment which characterized in that includes: positioning plate (2) and measuring station, wherein:
the positioning disc (2) is fastened on one surface, close to the upper half coupling (11) of the centrifugal compressor unit, of the lower half coupling (12) of the centrifugal compressor unit through screws;
the measuring table is fixed on one surface of an upper half coupling (11) close to a lower half coupling (12) of the centrifugal compressor unit, a plurality of measuring gauge outfits are installed at the top of the measuring table, gauge needles of the measuring gauge outfits are in contact with the positioning disc (2), and data measurement and feedback are carried out.
2. The special centering tool for the centrifugal compressor unit coupler according to claim 1, characterized in that: the measuring table is composed of a connecting disc (8), a sleeve (3) and a measuring disc (1), wherein the connecting disc (8) is fixed on the upper half-coupling (11) through a screw and is connected with the measuring disc (1) through the sleeve (3).
3. The special centering tool for the centrifugal compressor unit coupler according to claim 2, characterized in that: the measuring device is characterized in that the sleeve (3) is divided into an inner sleeve (31) and an outer sleeve (32) which are fixed through an adjusting fitting (4), the inner sleeve (31) is fixedly connected with the connecting disc (8) through welding, and the outer sleeve (32) is fixedly connected with the measuring disc (1) through welding.
4. The special centering tool for the centrifugal compressor unit coupler according to claim 3, wherein the special centering tool comprises: the adjusting fitting (4) is an axially telescopic adjusting screw.
5. The special centering tool for the centrifugal compressor unit coupler according to claim 2, characterized in that: the measuring gauge head is divided into an axial dial indicator (6) and a radial dial indicator (5), and the axial dial indicator (6) is positioned at the outermost side close to the measuring disc (1) for measurement and symmetrically provided with two axial dial indicators; the radial dial indicator (5) is located on the side wall of the measuring disc (1), the pointer of the axial dial indicator (6) is in contact with the surface of the positioning disc (2) and measures real-time data for parallelism feedback, and the pointer of the radial dial indicator (5) is in contact with the side wall of the positioning disc (2) and measures real-time data for deflection feedback.
6. The special centering tool for the centrifugal compressor unit coupler according to claim 5, wherein the special centering tool comprises: the top of the measuring disc (1) is provided with a detection area, and the size of the detection area is larger than that of the positioning disc (2).
7. The special centering tool for the centrifugal compressor unit coupler according to claim 5, wherein the special centering tool comprises: the measuring gauge head is fixed by a screw (7) after passing through the measuring table.
8. The special centering tool for the centrifugal compressor unit coupler according to claim 1, characterized in that: the diameter of the positioning disc (2) is 300mm, the upper surface and the lower surface of the positioning disc are parallel, the surface of one surface close to the measuring table is smooth, and the roughness grade is Ra6.3.
9. The special centering tool for the centrifugal compressor unit coupler according to claim 8, wherein the special centering tool comprises: the top of the measuring table is parallel to two surfaces of the bottom of the measuring table, one surface close to the positioning disc (2) is parallel to the surface of the positioning disc (2), and the roughness grade is Ra6.3.
10. The special centering tool for the centrifugal compressor unit coupler according to claim 8, wherein the special centering tool comprises: the flatness of one side of positioning disk (2) close to the measuring table is less than 0.05mm, and the flatness of one side of measuring table close to positioning disk (2) is less than 0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122062202.7U CN215725653U (en) | 2021-08-30 | 2021-08-30 | Special centering and aligning tool for centrifugal compressor unit coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122062202.7U CN215725653U (en) | 2021-08-30 | 2021-08-30 | Special centering and aligning tool for centrifugal compressor unit coupler |
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| Publication Number | Publication Date |
|---|---|
| CN215725653U true CN215725653U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122062202.7U Active CN215725653U (en) | 2021-08-30 | 2021-08-30 | Special centering and aligning tool for centrifugal compressor unit coupler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115058908A (en) * | 2022-08-05 | 2022-09-16 | 江苏福尔特金属制品有限公司 | Steel wire stranding device, coaxiality assembling and adjusting test tool and use method thereof |
-
2021
- 2021-08-30 CN CN202122062202.7U patent/CN215725653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115058908A (en) * | 2022-08-05 | 2022-09-16 | 江苏福尔特金属制品有限公司 | Steel wire stranding device, coaxiality assembling and adjusting test tool and use method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310000 No. 18, 22nd Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Hangzhou Zhongneng Turbine Machinery Equipment Co.,Ltd. Country or region after: China Address before: 310000 No. 18, 22nd Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: HANGZHOU CHINEN STEAM TURBINE POWER CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |