CN218955665U - Turbine shaft coupling center inspection tool - Google Patents
Turbine shaft coupling center inspection tool Download PDFInfo
- Publication number
- CN218955665U CN218955665U CN202320010292.1U CN202320010292U CN218955665U CN 218955665 U CN218955665 U CN 218955665U CN 202320010292 U CN202320010292 U CN 202320010292U CN 218955665 U CN218955665 U CN 218955665U
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- dial indicator
- locking
- gasket
- support
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Abstract
The utility model relates to the technical field of turbine coupling installation and correction auxiliary tools, and particularly provides a turbine coupling center checking tool, which comprises a dial indicator support, a dial indicator support fixing assembly and a dial indicator, wherein the dial indicator support is L-shaped and comprises a horizontal frame and a vertical frame, the dial indicator support fixing assembly comprises a cushion block, a locking bolt, a gasket and a locking nut, a support locking strip hole is formed in the horizontal frame, the locking bolt sequentially penetrates through the cushion block, the support locking strip hole, the gasket and the locking nut from bottom to top, and the dial indicator is detachably and vertically connected to the horizontal frame and/or the vertical frame. The utility model can flexibly adjust the position of the dial indicator according to the size difference of each coupler in the process of checking the coupler center, and simultaneously, the dial indicator and the bracket are connected into a whole, thereby improving the stability of the whole structure and protecting the dial indicator from being damaged. The tool is simple to install and detach, and the construction efficiency can be improved.
Description
Technical Field
The utility model relates to the technical field of turbine coupling installation and correction auxiliary tools, and particularly provides a turbine coupling center checking tool.
Background
In the installation process of the turbo generator set, as the set shafting has higher installation precision and strict process quality requirements, the high, medium and low pressure of the turbine and the rotor of the generator need to be inspected at the center of each coupling after initial centering, after full actual cylinder, before secondary grouting and before reaming connection (the radial shaking degree deviation is usually less than or equal to 0.02mm and the axial ladle deviation is less than or equal to 0.02 mm), so the adjustment and detection workload of the turbine body shafting is large and the operation precision requirement is high:
the magnetic dial indicator is generally erected at the axial and radial positions of the turbine rotor, the radial dial indicator points to the radial center line, the axial dial indicator is parallel to the shaft center, so that the center deviation of the two rotor couplings is checked, the installation is complicated, the flexibility is insufficient, the dial indicator is very easy to damage in the use process, the production cost is improved, the construction efficiency is reduced, and if the turbine rotor center checking process is used for increasing the whole checking working process due to poor tools, the time consumption is long, and the labor is wasted.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a turbine coupling center checking tool.
The utility model is realized in this way, and provides a turbine coupling center checking tool, which comprises a dial indicator support, a dial indicator support fixing component and a dial indicator, wherein the dial indicator support is L-shaped and comprises a horizontal frame and a vertical frame, the dial indicator support fixing component comprises a cushion block, a locking bolt, a gasket and a locking nut, a support locking strip hole is formed in the horizontal frame, the locking bolt sequentially penetrates through the cushion block, the support locking strip hole, the gasket and the locking nut from bottom to top, and the dial indicator is detachably and vertically connected to the horizontal frame and/or the vertical frame.
Preferably, radial dial indicator connecting holes are formed in the horizontal frame in the vertical direction, and radial dial indicator locking holes communicated with the radial dial indicator connecting holes are formed in the radial dial indicator connecting holes in the horizontal direction; an axial dial indicator connecting hole is formed in the vertical frame along the horizontal direction, and an axial dial indicator locking hole is formed in the position of the axial dial indicator connecting hole and in the direction perpendicular to the axial dial indicator connecting hole; locking threaded pins are connected in the radial dial indicator locking holes and the axial dial indicator locking holes.
Further preferably, the gasket is a strip gasket, and holes are formed at two ends of the strip gasket.
Compared with the prior art, the utility model has the advantages that:
the utility model can flexibly adjust the position of the dial indicator according to the size difference of each coupler in the process of checking the coupler center, and simultaneously, the dial indicator and the bracket are connected into a whole, thereby improving the stability of the whole structure and protecting the dial indicator from being damaged. The tool is simple to install and detach, and the construction efficiency can be improved.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and embodiments:
FIG. 1 is a schematic front view of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the overall structure of the present utility model (without a dial indicator installed);
FIG. 3 is a front view of the dial indicator bracket;
FIG. 4 is a front view of a spacer;
fig. 5 is a top view of the gasket.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 5, the utility model provides a turbine coupling center checking tool, which comprises a dial indicator support 1, a dial indicator support fixing assembly and a dial indicator 6, wherein the dial indicator support 1 is L-shaped and comprises a horizontal frame 101 and a vertical frame 102, the dial indicator support fixing assembly comprises a cushion block 2, a locking bolt 3, a gasket 4 and a locking nut 5, a support locking strip hole is formed in the horizontal frame 101, the locking bolt 3 sequentially penetrates through the cushion block 2, the support locking strip hole, the gasket 4 and the locking nut 5 from bottom to top, and the dial indicator 6 is detachably and vertically connected to the horizontal frame 101 and/or the vertical frame 102.
In the detection process, the horizontal frame 101 of the dial indicator bracket 1 is placed above two steam turbine rotor couplings, the vertical frame 102 is positioned on the side face of one steam turbine rotor coupling, the large end of the locking bolt 3 is arranged in the balance chute of the steam turbine coupling from the opening of the balance chute of the coupling, the position of the dial indicator 6 on the horizontal frame 101 and/or the vertical frame 102 is adjusted, after the adjustment, the locking nut 5 is screwed, the radial deviation of the two steam turbine rotor couplings can be checked by using the dial indicator 6 on the horizontal frame 101, and the axial deviation is checked by using the dial indicator on the vertical frame 102. When radial deviation is checked, whether the indication numbers between the two rotor couplings are consistent is detected through the dial indicator, and when axial deviation is checked, whether the indication numbers change is detected in the rotation process of the rotor couplings.
As a specific implementation mode of the detachable and adjustable position of the dial indicator, a radial dial indicator connecting hole is arranged on the horizontal frame 101 along the vertical direction, and a radial dial indicator locking hole communicated with the radial dial indicator connecting hole is arranged at the radial dial indicator connecting hole along the horizontal direction; an axial dial indicator connecting hole is formed in the vertical frame 102 along the horizontal direction, and an axial dial indicator locking hole is formed in the position of the axial dial indicator connecting hole and in the direction perpendicular to the axial dial indicator connecting hole; locking threaded pins 7 are connected in the radial dial indicator locking holes and the axial dial indicator locking holes.
When the dial indicator 6 is connected to the horizontal frame 101, a connecting rod at the lower end of the dial indicator 6 is inserted into a radial dial indicator connecting hole, the upper and lower positions are adjusted, and the position of the dial indicator 6 is locked by the locking threaded pin 7 to perform radial measurement; when the dial indicator 6 is connected to the vertical frame 102, the dial indicator 6 is inserted into the axial dial indicator connecting hole, the left and right positions are adjusted, and the position of the dial indicator 6 is locked by the locking threaded pin 7, so that axial measurement can be performed.
Preferably, the gasket 4 is a long-strip gasket, and holes are formed at two ends of the long-strip gasket. So that the device is convenient to take, disassemble and the like.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (3)
1. The utility model provides a steam turbine shaft coupling center inspection tool, a serial communication port, including percentage table support (1), percentage table support fixed subassembly and percentage table (6), percentage table support (1) are the L type, including horizontal stand (101) and vertical frame (102), percentage table support fixed subassembly includes cushion (2), locking bolt (3), gasket (4) and lock nut (5), be equipped with the rectangular hole of support locking on horizontal stand (101), locking bolt (3) are from bottom to top pass cushion (2), the rectangular hole of support locking, gasket (4) and lock nut (5) in proper order, the detachable perpendicular connection of percentage table (6) is on horizontal stand (101) and/or vertical frame (102).
2. The tool for checking the center of the coupling of the steam turbine according to claim 1, wherein radial dial indicator connecting holes are formed in the horizontal frame (101) in the vertical direction, and radial dial indicator locking holes which are communicated with the radial dial indicator connecting holes are formed in the horizontal direction at the positions of the radial dial indicator connecting holes; an axial dial indicator connecting hole is formed in the vertical frame (102) along the horizontal direction, and an axial dial indicator locking hole is formed in the position of the axial dial indicator connecting hole and in the direction perpendicular to the axial dial indicator connecting hole; locking threaded pins (7) are connected in the radial dial indicator locking holes and the axial dial indicator locking holes.
3. The tool for checking the center of a steam turbine coupling according to claim 1, wherein the gasket (4) is a long-strip gasket, and holes are formed at both ends of the long-strip gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320010292.1U CN218955665U (en) | 2023-01-04 | 2023-01-04 | Turbine shaft coupling center inspection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320010292.1U CN218955665U (en) | 2023-01-04 | 2023-01-04 | Turbine shaft coupling center inspection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218955665U true CN218955665U (en) | 2023-05-02 |
Family
ID=86109342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320010292.1U Active CN218955665U (en) | 2023-01-04 | 2023-01-04 | Turbine shaft coupling center inspection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218955665U (en) |
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2023
- 2023-01-04 CN CN202320010292.1U patent/CN218955665U/en active Active
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