CN212583867U - Take drainage function's francis turbine runner structure - Google Patents
Take drainage function's francis turbine runner structure Download PDFInfo
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- CN212583867U CN212583867U CN202020585291.6U CN202020585291U CN212583867U CN 212583867 U CN212583867 U CN 212583867U CN 202020585291 U CN202020585291 U CN 202020585291U CN 212583867 U CN212583867 U CN 212583867U
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- water
- hydraulic turbine
- water wheel
- turbine base
- rotating shaft
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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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Abstract
The utility model relates to a take drainage function's francis turbine runner structure, the hydraulic turbine equipment technical field of affiliated, including the hydraulic turbine base, the hydraulic turbine base in be equipped with water wheel shaft, water wheel shaft and hydraulic turbine base between be equipped with hydraulic turbine casing, water wheel shaft lower extreme be equipped with water wheel shaft flange formula bolted connection's runner subassembly, runner subassembly and hydraulic turbine base between be equipped with the spiral case that cup joints mutually with the hydraulic turbine base, spiral case and runner subassembly between be equipped with top cap, bottom ring, the bottom ring lower extreme be equipped with and be linked together and with the hydraulic turbine base nested draft tube mutually. The water drainage device has the characteristics of simple structure, high water drainage efficiency, good safety and stability and long service life. The problem of ponding appear in the top cap is solved.
Description
Technical Field
The utility model relates to a hydraulic turbine equipment technical field, concretely relates to take drainage function's francis turbine runner structure.
Background
When the hydroelectric generating set operates, water flow can enter the upper end of the rotating wheel through the gap between the upper crown of the rotating wheel and the top cover. If the water is discharged in time, the water flow enters the top cover to cause water accumulation on the top cover, so that the serious consequence of submerging the oil groove of the water guide bearing is caused. Long-term top cap ponding can cause the operational environment humidity, corrodes unit spare part to shorten the operating life of unit.
Disclosure of Invention
The utility model discloses mainly solve and have easy ponding, the poor and short not enough of life of safety stability among the prior art, provide a take drainage function's francis turbine runner structure, it has simple structure, the efficient, the good and long service life's of safety stability characteristics of drainage. The problem of ponding appear in the top cap is solved.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a take drainage function's mixed-flow turbine runner structure, includes the hydraulic turbine base, the hydraulic turbine base in be equipped with water wheel pivot, water wheel pivot and hydraulic turbine base between be equipped with hydraulic turbine casing, water wheel pivot lower extreme be equipped with water wheel pivot looks flange bolted connection's runner subassembly, runner subassembly and hydraulic turbine base between be equipped with the spiral case that cup joints mutually with the hydraulic turbine base, spiral case and runner subassembly between be equipped with top cap, bottom ring, the bottom ring lower extreme be equipped with and be linked together and with the hydraulic turbine base nested draft tube mutually.
Preferably, the rotating wheel assembly comprises an upper crown, a lower ring sleeved with the upper crown is arranged at the lower end of the upper crown, a plurality of annular blades distributed at equal intervals are arranged between the lower ring and the upper crown, and the blades, the upper crown and the lower ring are in an integrated welding structure.
Preferably, the upper crown is provided with a top plate, a plurality of pump plates integrally welded with the upper crown are arranged between the top plate and the upper crown, and the top plate is provided with a plurality of screws which are annularly and equidistantly distributed and are in threaded sleeve joint with the pump plates.
Preferably, the lower part of the water wheel rotating shaft is provided with a plurality of drainage inclined holes which are distributed in an annular shape at equal intervals and communicated with the upper crown.
Preferably, a guide vane adjusting frame is arranged between the water wheel rotating shaft and the water turbine shell, a plurality of guide vanes are arranged between the rotating wheel assembly and the top cover and between the rotating wheel assembly and the bottom ring, and guide vane shafts are arranged between the guide vanes and the guide vane adjusting frame.
Preferably, the upper parts of the guide vane adjusting frame and the water wheel rotating shaft are provided with upper sealing shaft sleeves which are hermetically sleeved with the water wheel rotating shaft, the lower parts of the guide vane adjusting frame and the water wheel rotating shaft are provided with lower roller shaft sleeves which are hermetically sleeved with the water wheel rotating shaft, and a lubricating oil shaft sleeve which is hermetically sleeved with the water wheel rotating shaft is arranged between the lower roller shaft sleeves and the upper sealing shaft sleeves.
Preferably, a water conduit is arranged between the water turbine base and the rotating wheel assembly.
The utility model discloses can reach following effect:
the utility model provides a take drainage function's francis turbine runner structure compares with prior art, has simple structure, drainage efficiency height, the good and long service life's of safety and stability characteristics. The problem of ponding appear in the top cap is solved.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a structural sectional view of a wheel assembly according to the present invention.
In the figure: the water turbine comprises a water turbine base 1, a water turbine shell 2, a water conduit 3, a guide vane adjusting frame 4, a water turbine rotating shaft 5, an upper sealing shaft sleeve 6, a lubricating oil shaft sleeve 7, a lower roller shaft sleeve 8, a rotating wheel assembly 9, a guide vane shaft 10, a guide vane 11, a volute 12, a top cover 13, a bottom ring 14, a drainage inclined hole 15, a draft tube 16, a top plate 17, a screw 18, a pump plate 19, an upper crown 20, blades 21 and a lower ring 22.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1 and 2, a francis turbine runner structure with a water discharge function includes a turbine base 1, a turbine shaft 5 is provided in the turbine base 1, and 4 water discharge inclined holes 15 are provided at the lower part of the turbine shaft 5, and are distributed in an equidistant annular shape and communicated with an upper crown 20. A water turbine shell 2 is arranged between the water wheel rotating shaft 5 and the water turbine base 1, a guide vane adjusting frame 4 is arranged between the water wheel rotating shaft 5 and the water turbine shell 2, an upper sealing shaft sleeve 6 which is hermetically sleeved with the water wheel rotating shaft 5 is arranged on the upper portions of the guide vane adjusting frame 4 and the water wheel rotating shaft 5, a lower roller shaft sleeve 8 which is hermetically sleeved with the water wheel rotating shaft 5 is arranged on the lower portions of the guide vane adjusting frame 4 and the water wheel rotating shaft 5, and a lubricating oil shaft sleeve 7 which is hermetically sleeved with the water wheel rotating shaft 5 is arranged between the lower roller shaft sleeve 8 and. 16 guide vanes 11 are arranged between the rotating wheel assembly 9 and the top cover 13 and between the rotating wheel assembly and the bottom ring 14, and guide vane shafts 10 are arranged between the guide vanes 11 and the guide vane adjusting frame 4. The lower end of the water wheel rotating shaft 5 is provided with a rotating wheel component 9 connected with the water wheel rotating shaft 5 through a flange type bolt, and a water conduit 3 is arranged between the water turbine base 1 and the rotating wheel component 9. The rotating wheel assembly 9 comprises an upper crown 20, a top plate 17 is arranged at the upper end of the upper crown 20, 8 pump plates 19 which are integrally welded with the upper crown 20 are arranged between the top plate 17 and the upper crown 20, and 8 pairs of screws 18 which are annularly distributed at equal intervals and are in threaded sleeve joint with the pump plates 19 are arranged on the top plate 17. The lower end of the upper crown 20 is provided with a lower ring 22 sleeved with the upper crown 20, 16 annular blades 21 distributed at equal intervals are arranged between the lower ring 22 and the upper crown 20, and the blades 21, the upper crown 20 and the lower ring 22 are in an integrated welding structure. A volute 12 sleeved with the water turbine base 1 is arranged between the rotating wheel assembly 9 and the water turbine base 1, a top cover 13 and a bottom ring 14 are arranged between the volute 12 and the rotating wheel assembly 9, and a draft tube 16 communicated with the water turbine base 1 and nested with the water turbine base 1 is arranged at the lower end of the bottom ring 14.
In conclusion, the mixed-flow water turbine runner structure with the drainage function has the characteristics of simple structure, high drainage efficiency, good safety and stability and long service life. The problem of ponding appear in the top cap is solved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (7)
1. The utility model provides a take drainage function's francis turbine runner structure which characterized in that: including hydraulic turbine base (1), hydraulic turbine base (1) in be equipped with water wheel pivot (5), water wheel pivot (5) and hydraulic turbine base (1) between be equipped with water turbine casing (2), water wheel pivot (5) lower extreme be equipped with runner assembly (9) with water wheel pivot (5) looks flange formula bolted connection, runner assembly (9) and hydraulic turbine base (1) between be equipped with spiral case (12) that cup joint mutually with hydraulic turbine base (1), spiral case (12) and runner assembly (9) between be equipped with top cap (13), bottom ring (14) lower extreme be equipped with and be linked together with hydraulic turbine base (1) and with hydraulic turbine base (1) nested draft tube (16) mutually.
2. The francis turbine runner structure with a water discharge function according to claim 1, wherein: the rotating wheel assembly (9) comprises an upper crown (20), a lower ring (22) sleeved with the upper crown (20) is arranged at the lower end of the upper crown (20), a plurality of blades (21) distributed in an annular and equidistant mode are arranged between the lower ring (22) and the upper crown (20), and the blades (21), the upper crown (20) and the lower ring (22) are of an integrated welding structure.
3. The francis turbine runner structure with a water discharge function according to claim 2, wherein: go up crown (20) upper end be equipped with roof (17), roof (17) and last crown (20) between be equipped with a plurality of pump plates (19) that are the integration welding with last crown (20), roof (17) on be equipped with a plurality of be annular equidistant distribution and with pump plate (19) looks screw thread formula screw (18) of cup jointing.
4. The francis turbine runner structure with a water discharge function according to claim 2, wherein: the lower part of the water wheel rotating shaft (5) is provided with a plurality of drainage inclined holes (15) which are distributed in an annular shape at equal intervals and are communicated with the upper crown (20).
5. The francis turbine runner structure with a water discharge function according to claim 1, wherein: water wheel pivot (5) and hydraulic turbine casing (2) between be equipped with stator alignment jig (4), runner subassembly (9) and top cap (13), bottom ring (14) between be equipped with a plurality of stator (11), stator (11) and stator alignment jig (4) between all be equipped with guide vane axle (10).
6. The francis turbine runner structure with a water discharge function according to claim 5, wherein: the guide vane adjusting frame (4) and the upper part of the water wheel rotating shaft (5) are provided with an upper sealing shaft sleeve (6) which is hermetically sleeved with the water wheel rotating shaft (5), the lower parts of the guide vane adjusting frame (4) and the water wheel rotating shaft (5) are provided with a lower roller shaft sleeve (8) which is hermetically sleeved with the water wheel rotating shaft (5), and a lubricating oil shaft sleeve (7) which is hermetically sleeved with the water wheel rotating shaft (5) is arranged between the lower roller shaft sleeve (8) and the upper sealing shaft sleeve (6).
7. The francis turbine runner structure with a water discharge function according to claim 1, wherein: a water conduit (3) is arranged between the water turbine base (1) and the rotating wheel assembly (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585291.6U CN212583867U (en) | 2020-04-20 | 2020-04-20 | Take drainage function's francis turbine runner structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020585291.6U CN212583867U (en) | 2020-04-20 | 2020-04-20 | Take drainage function's francis turbine runner structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212583867U true CN212583867U (en) | 2021-02-23 |
Family
ID=74649190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020585291.6U Active CN212583867U (en) | 2020-04-20 | 2020-04-20 | Take drainage function's francis turbine runner structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212583867U (en) |
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2020
- 2020-04-20 CN CN202020585291.6U patent/CN212583867U/en active Active
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