CH331945A - Sealing device for the guide vanes on water turbines - Google Patents
Sealing device for the guide vanes on water turbinesInfo
- Publication number
- CH331945A CH331945A CH331945DA CH331945A CH 331945 A CH331945 A CH 331945A CH 331945D A CH331945D A CH 331945DA CH 331945 A CH331945 A CH 331945A
- Authority
- CH
- Switzerland
- Prior art keywords
- rail
- guide vanes
- sealing device
- dovetail
- guide
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 6
- 239000002184 metal Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 241000397426 Centroberyx lineatus Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
- F03B3/183—Adjustable vanes, e.g. wicket gates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/57—Seals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Description
Dichtungsvorrichtung für die Leitschaufeln an Wasserturbinen Die vorliegende Erfindung betrifft eine i)iehtung:svorrichtung für die Leitschaufeln :iii Wasserturbinen. Ein Ausführungsbeispiel des 1"rfindungs#)#@egeristandes ist.
auf der bei- Zeichnung veranschaulicht, wobei Pig.l die Aussenansicht einer Leitschaufel. init Nute für die Dichtungsleiste, Fig. 2 den (lrundriss einer Anzahl Leit- s(-iiaiifelti in -eselilossener Stellung und Fig. 3 einen Schnitt durch die Dichtungs- :'ol'l.'iehtlin- zeigt.
L in bei geschlossenen Leitschaufeln gute 1)ielitun",- zu erhalten, wird in die dickere Partie der Leitschaufeln bei --1 eine Gununi- leiste eingelegt, an welcher die Spitze der da- ni,lienlie\;,enden Leitschaufel anliegt. Bis jetzt it-ar die Schwierigkeit darin gelegen, die G-mninileiste so sicher zu befestigen, dass sie iiielit in dem Augenblick, wo der Leitapparat.
iiffnete, durch den Wasserstrom herausgespült wurde.
Das Beispiel bietet grosse Sicherheit gegen das Herausspülen der Dichtung. Die Gummi leiste ? ist in einer l:letallschiene 3 mit sehwa.l- benscInvanzförmigem Querschnitt fest.villkani- siert. Um die Festhaltung der Gummileiste weiter zu sichern, ist diese und die Metall- schiene mit Durchbohrungen und darin Stiften versehen.
Die Schiene 3 liegt in der Leitschaufel in einer Nute, deren eine Kante der Form der Schiene 3 angepasst ist. ;,Ili der andern Kante ist Platz für eine keil förmige Festspannleiste 4, die mit Schrauben 5 befestigt wird und die Schiene 3 in ihrer rage festhält. Die Schiene befindet sich in der von der hintern Nutenwand und der Leiste seitlich begrenzten Ausnehmung mit scliwalbenschwanzförmigem Querschnitt. Um zwischen der Schiene und der Leitschaufel eine Dichtung zu erhalten, ist eine Gummi dichtung 7 eingelegt.
Mit dieser Vorrichtung wird ausser guter Befestigung auch der Vorteil erzielt, da.ss man die Dichtung einsetzen bzw. herausnehmen kann, ohne den Leitapparat abzumontieren, da eine Verschiebung in der Längsrichtung der Dichtung nicht vorzukommen braucht.
Sealing device for the guide vanes on water turbines The present invention relates to a i) sealing device for the guide vanes: iii water turbines. One embodiment of the 1 "rfindungs #) # @ egeristandes is.
illustrated on the at- drawing, Pig.l showing the exterior of a guide vane. with grooves for the sealing strip, Fig. 2 shows the outline of a number of guide s (-iiaiifelti in -esellosener position and Fig. 3 shows a section through the sealing-: 'ol'l.'ichtlin-.
In order to obtain good 1) ielitun ", - with closed guide vanes, a gununite strip is inserted into the thicker part of the guide vanes at -1, on which the tip of the linear end of the guide vane rests now the difficulty lies in securing the G-mini bar so securely that it iiielit at the moment where the guide apparatus.
opened through which the stream of water was flushed out.
The example offers great security against the seal being washed out. The rubber bar? is firmly.villcanized in a l: lethal splint 3 with a sehwa.lbenscInvanz-shaped cross-section. In order to further secure the retention of the rubber strip, this and the metal rail are provided with through-holes and pins in them.
The rail 3 lies in the guide vane in a groove, one edge of which is adapted to the shape of the rail 3. ;, Ili the other edge is space for a wedge-shaped clamping bar 4, which is attached with screws 5 and holds the rail 3 in its rage. The rail is located in the recess, laterally limited by the rear wall of the groove and the bar, with a cross-section in the shape of a swallowtail. In order to obtain a seal between the rail and the guide vane, a rubber seal 7 is inserted.
In addition to good fastening, this device also has the advantage that the seal can be inserted or removed without dismantling the diffuser, since there is no need for a displacement in the longitudinal direction of the seal.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH331945T | 1955-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH331945A true CH331945A (en) | 1958-08-15 |
Family
ID=4502267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH331945D CH331945A (en) | 1955-06-09 | 1955-06-09 | Sealing device for the guide vanes on water turbines |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH331945A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3742046A1 (en) * | 1987-12-11 | 1989-06-29 | Rodenberg Kunststofftech | GUIDE BLADE FOR HYDROPOWER ENGINES |
-
1955
- 1955-06-09 CH CH331945D patent/CH331945A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3742046A1 (en) * | 1987-12-11 | 1989-06-29 | Rodenberg Kunststofftech | GUIDE BLADE FOR HYDROPOWER ENGINES |
| US4946347A (en) * | 1987-12-11 | 1990-08-07 | Kunststofftechnik Rodenberg Gmbh & Co. Kg | Turbine blade for hydroelectric generators |
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