CN218488263U - Tool for disassembling guide vane sleeve in water turbine - Google Patents
Tool for disassembling guide vane sleeve in water turbine Download PDFInfo
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- CN218488263U CN218488263U CN202222186580.0U CN202222186580U CN218488263U CN 218488263 U CN218488263 U CN 218488263U CN 202222186580 U CN202222186580 U CN 202222186580U CN 218488263 U CN218488263 U CN 218488263U
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- guide vane
- lead screw
- hole
- jack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Hydraulic Turbines (AREA)
Abstract
The utility model relates to a be arranged in dismantling telescopic instrument of stator in hydraulic turbine, it has solved prior art and has dismantled stator sleeve process operation inconvenient in the hydraulic turbine, it is long to consume time, there is the technical problem of potential safety hazard, it includes first lead screw, the second lead screw, it is dull and stereotyped, first nut, second nut and jack, the flat board is equipped with first through-hole and second through-hole, first lead screw passes dull and stereotyped first through-hole, the second lead screw passes dull and stereotyped second through-hole, first nut is connected with the upper portion of first lead screw, the second nut is connected with the upper portion of second lead screw, first nut is located dull and stereotyped top, the second nut is located dull and stereotyped top, the flat board is movable. The utility model discloses can be used to dismantle stator sleeve in the hydraulic turbine.
Description
Technical Field
The utility model relates to a hydraulic turbine overhauls technical field, particularly, relates to a be arranged in dismantling telescopic instrument of stator in the hydraulic turbine.
Background
The pumped storage power station uses the electric power in the low load valley of the power grid to pump water from the lower reservoir to the upper reservoir for storage, and when the power grid is in the peak load, the water is discharged to the lower reservoir for power generation.
The water turbine is a power machine which converts the energy of water flow into rotary mechanical energy. Water turbines can be divided into impulse turbines and reaction turbines according to the working principle. The runner of the impulse turbine rotates under the impact of water flow, the pressure of the water flow is unchanged in the working process, and the conversion of kinetic energy is mainly carried out; the runner of the reaction type water turbine rotates under the reaction force of water flow in water, and the pressure energy and the kinetic energy of the water flow are changed in the working process, but the pressure energy is mainly converted.
The guide vane sleeve is an important component of the water turbine, and the guide vane sleeve needs to be detached for inspection in the process of overhauling the water turbine. At present, a method for disassembling a guide vane sleeve is to weld a hanging ring on a flange plate of the guide vane sleeve and slowly hoist the guide vane sleeve by adopting hoisting tools such as a bridge crane, and the method has the technical defects of inconvenient operation, long time consumption and potential safety hazard.
Disclosure of Invention
The utility model discloses it is inconvenient exactly to solve prior art and dismantle stator sleeve in the hydraulic turbine process operation, and it is long to consume time, has the technical problem of potential safety hazard, provides a convenient operation, weak point consuming time, the telescopic instrument of stator in being used for of no potential safety hazard dismantles the hydraulic turbine.
The utility model provides a be arranged in dismantling telescopic instrument of stator of hydraulic turbine, including first lead screw, second lead screw, flat board, first nut, second nut and jack, the flat board is equipped with first through-hole and second through-hole, first lead screw passes dull and stereotyped first through-hole, and the second lead screw passes dull and stereotyped second through-hole, and first nut is connected with the upper portion of first lead screw, and the second nut is connected with the upper portion of second lead screw, and first nut is located dull and stereotyped top, and the second nut is located dull and stereotyped top, and the flat board is movable.
Preferably, when the tool for detaching the guide vane sleeve in the water turbine is used, a jack is placed at the top of the guide vane shaft, the lower end of the first screw rod and the lower end of the second screw rod are respectively connected with the two screw holes on the flange of the guide vane sleeve, the jack is positioned below the flat plate, the bottom surface of the flat plate is contacted with the output part of the jack, and the first nut and the second nut are screwed to be contacted with the top surface of the flat plate; and starting the jack, wherein the output part of the jack upwards jacks the flat plate.
The beneficial effects of the utility model are that, it is very convenient to operate, and it is fast to extract, and the time spent is short, and operation process safety does not have the potential safety hazard. In the process of pulling out the guide vane sleeve, the guide vane sleeve is stressed uniformly without jamming, the guide vane sleeve and the guide vane shaft are not damaged, and the sealing part is not damaged. The height of the flat plate is adjusted according to actual conditions.
Drawings
Fig. 1 is a schematic structural view of a tool for disassembling a guide vane sleeve in a water turbine according to the present invention;
FIG. 2 is a view of the vane sleeve flange and vane shaft in the configuration of FIG. 1;
FIG. 3 is a schematic view of a flat plate of the structure shown in FIG. 1;
fig. 4 is a schematic structural diagram of the structure shown in fig. 1, in which the lower end of the screw rod is connected with four holes on the flange of the guide vane sleeve after the screw rod passes through the through hole of the flat plate.
The symbols in the figures illustrate:
1. the guide vane comprises a guide vane sleeve, 1-1 flanges, 1-1-1 screw holes, 1-1-2 screw holes, 2 guide vane shafts, 3 first lead screws, 4 second lead screws, 5 flat plates, 5-1 first through holes, 5-2 second through holes, 6 first nuts, 7 second nuts and 8 jacks.
Detailed Description
The present invention will be described in further detail with reference to the following drawings in which specific embodiments are shown.
As shown in fig. 1-4, the tool for detaching the guide vane sleeve in the water turbine comprises a first screw rod 3, a second screw rod 4, a flat plate 5, a first nut 6, a second nut 7 and a jack 8, wherein the flat plate 5 is provided with a first through hole 5-1 and a second through hole 5-2, the first screw rod 3 passes through the first through hole 5-1, the second screw rod 4 passes through the second through hole 5-2, the first nut 6 is connected with the upper part of the first screw rod 3 through a threaded structure, the second nut 7 is connected with the upper part of the second screw rod 4 through a threaded structure, the first nut 6 is positioned above the flat plate 5, and the second nut 7 is positioned above the flat plate 5. The plate 5 is movable, and when the plate 5 moves upwards, the top surface of the plate 5 is blocked by the first nut 6 and the second nut 7.
The guide vane sleeve 1 is sleeved on the guide vane shaft 2, the guide vane sleeve 1 is provided with a flange 1-1, and the flange 1-1 is provided with a threaded hole 1-1-1 and a threaded hole 1-1-2.
When a tool for disassembling a guide vane sleeve in a water turbine is used, a jack 5 is placed at the top of a guide vane shaft 2, the lower end of a first screw rod 3 is connected with a threaded hole 1-1-1 of a flange 1-1 through a threaded structure, so that the lower end of the first screw rod 3 is fixed with the flange of the guide vane sleeve, and the lower end of a second screw rod 4 is connected with the threaded hole 1-1-2 of the flange 1-1 through the threaded structure, so that the lower end of the second screw rod 4 is fixed with the flange of the guide vane sleeve; the jack 8 is located below the flat plate 5, the flat plate 5 is then moved, the bottom surface of the flat plate 5 is in contact with the output part of the jack 8, the first nut 6 and the second nut 7 are screwed to enable the first nut 6 and the second nut 7 to be in contact with the top surface of the flat plate 5, finally the jack 8 is started, the output part of the jack 8 upwards jacks the flat plate 5, and due to the fact that the first nut 6 and the second nut 7 block the flat plate 5, the flat plate 5 moves upwards to apply upward thrust to the first nut 6 and the second nut 7, the lower end of the first screw rod 3 and the lower end of the second screw rod 4 move upwards, the thrust is transmitted to the flange 1-1, the guide vane sleeve 1 is further pulled out upwards, and the guide vane sleeve 1 is detached. The whole disassembly process is very convenient to operate, the extraction speed is high, the consumed time is short, and the operation process is safe and has no potential safety hazard; in the process of pulling out the guide vane sleeve, the guide vane sleeve is stressed uniformly and cannot be jammed, the guide vane sleeve and the guide vane shaft cannot be damaged, and the sealing part cannot be damaged. The height of the flat plate 5 can be adjusted according to actual conditions (the height of the flat plate 5 can be adjusted by changing the positions of the first nut 6 and the second nut 7) so as to adapt to jacks with different sizes or guide vane sleeves with different sizes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, which may be modified and varied by those skilled in the art.
Claims (2)
1. The utility model provides a telescopic instrument of stator for dismantling in hydraulic turbine, its characterized in that, includes first lead screw, second lead screw, flat board, first nut, second nut and jack, the flat board is equipped with first through-hole and second through-hole, first lead screw passes dull and stereotyped first through-hole, the second lead screw passes dull and stereotyped second through-hole, first nut is connected with the upper portion of first lead screw, the second nut is connected with the upper portion of second lead screw, first nut is located dull and stereotyped top, the second nut is located dull and stereotyped top, the flat board is the activity.
2. The tool for disassembling the guide vane sleeve in the water turbine as claimed in claim 1, wherein when the tool for disassembling the guide vane sleeve in the water turbine is used, a jack is placed at the top of the guide vane shaft, the lower end of the first screw rod and the lower end of the second screw rod are respectively connected with two screw holes on a flange of the guide vane sleeve, the jack is located below the flat plate, the bottom surface of the flat plate is in contact with an output part of the jack, and the first nut and the second nut are screwed to be in contact with the top surface of the flat plate; and starting the jack, wherein the output part of the jack upwards jacks the flat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222186580.0U CN218488263U (en) | 2022-08-19 | 2022-08-19 | Tool for disassembling guide vane sleeve in water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222186580.0U CN218488263U (en) | 2022-08-19 | 2022-08-19 | Tool for disassembling guide vane sleeve in water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218488263U true CN218488263U (en) | 2023-02-17 |
Family
ID=85189136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222186580.0U Active CN218488263U (en) | 2022-08-19 | 2022-08-19 | Tool for disassembling guide vane sleeve in water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218488263U (en) |
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2022
- 2022-08-19 CN CN202222186580.0U patent/CN218488263U/en active Active
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