DE1157631B - Blade binding in turbo machines - Google Patents
Blade binding in turbo machinesInfo
- Publication number
- DE1157631B DE1157631B DEG26876A DEG0026876A DE1157631B DE 1157631 B DE1157631 B DE 1157631B DE G26876 A DEG26876 A DE G26876A DE G0026876 A DEG0026876 A DE G0026876A DE 1157631 B DE1157631 B DE 1157631B
- Authority
- DE
- Germany
- Prior art keywords
- blade
- binding
- wire
- binding wire
- blades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/24—Blade-to-blade connections, e.g. for damping vibrations using wire or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Schaufelbindung bei Turbomaschinen Die Erfindung betrifft eine Schaufelbindung bei Turbomaschinen mittels hohlen Bindedrahtes, der zwischen den Schaufeln an mindestens einer Stelle seines Profils über das Profil der Schaufelbohrung hinaus bleibend so verformt ist, daß er die Abstände der Schaufeln voneinander durch Formschluß innehält.Blade binding in turbo machines The invention relates to a blade binding in the case of turbo machines by means of a hollow binding wire that is attached between the blades at least one point of its profile remaining beyond the profile of the blade bore is deformed so that it the distances between the blades from each other by positive locking pauses.
Bei bekannten Bindungen dieser Art ist der Bindedraht zwischen den Schaufeln flachgedrückt. Zu dieser Art von Verformung muß das Werkzeug -eine Zange od. ä. - in jede einzelne Schaufellücke eingeführt werden, was bei der üblicherweise großen Zahl von Schaufeln je Schaufelkranz langwierig ist.In known bindings of this type, the binding wire is between the Shovels flattened. For this kind of deformation the tool - a pair of pliers - has to be used od. Ä. - Are introduced into each individual blade gap, which is usually the case large number of blades per blade ring is tedious.
Die Erfindung beruht auf dem Gedanken, die Verformung nicht mechanisch von außen her, sondern von innen her hydraulisch oder pneumatisch zu bewirken, damit der Draht auf seiner ganzen Länge, also an allen Schaufeln, die er bindet, gleichzeitig verformt wird. Sie besteht also darin, daß der hohle Bindedraht von seinem Innern her durch ein flüssiges oder gasförmiges Druckmittel aufgeweitet ist.The invention is based on the idea that the deformation is not mechanical from the outside, but hydraulically or pneumatically from the inside, so the wire along its entire length, i.e. on all the shovels that it binds, at the same time is deformed. So it consists in the hollow binding wire from inside is expanded forth by a liquid or gaseous pressure medium.
Die Erfindung erfordert natürlich, daß der hohle Bindedraht - er wird um der Einfachheit im folgenden Binderohr genannt - während der Aufweitung auch an seinen Enden geschlossen ist. Nach durchgeführter Aufweitung kann das Druckmittel entweder im Rohr verbleiben oder aus ihm entfernt werden.The invention, of course, requires that the hollow binding wire - it will for the sake of simplicity in the following called tie tube - during the expansion also is closed at its ends. After the expansion has been carried out, the pressure medium either remain in the pipe or be removed from it.
Wenn man ein flüssiges Druckmittel benutzt, so empfiehlt es sich, ein solches zu wählen, das nur bei hoher Temperatur flüssig wird, aber bei Betriebstemperatur fest ist. Das ergibt höhere Steifigkeit des Binders und gestattet dünnere Rohrwandstärke des Binders, also niedrigeren Aufweitungsdruck.When using a liquid pressure medium, it is advisable to to choose one that becomes liquid only at high temperature, but at operating temperature is firm. This results in greater rigidity of the tie and allows thinner pipe wall thicknesses of the binder, i.e. lower expansion pressure.
Ferner kann die Aufweitung des Binderohres im Sinne der Erfindung auch durch eine Sprengstoffladung bewirkt werden. Schließlich kann die Wanddicke des Binderohres an den Stellen des zu erwartenden Verschleißes stärker ausgeführt sein.Furthermore, the widening of the tie pipe in the sense of the invention can also be caused by a charge of explosives. Finally, the wall thickness can of the tie pipe at the points of the expected wear and tear be.
Die Zeichnung zeigt in Fig. 1 die Ansicht, in Fig. 2 die Draufsicht einer erfindungsgemäß hergestellten Schaufelbindung und in Fig. 3 eine Teilansicht einer solchen Bindung mit einem Rohr ungleicher Wandstärke. Darin bedeuten 1 die Schaufeln, 2 das Binderohr und 3 ein Rohr mit ungleicher Wandstärke.The drawing shows the view in FIG. 1 and the plan view in FIG. 2 a blade connection produced according to the invention and in FIG. 3 a partial view such a bond with a tube of unequal wall thickness. Here 1 mean the Shovels, 2 the tie pipe and 3 a pipe with unequal wall thickness.
Claims (4)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG26876A DE1157631B (en) | 1959-04-18 | 1959-04-18 | Blade binding in turbo machines |
GB1323960A GB943023A (en) | 1959-04-18 | 1960-04-13 | Improvements in or relating to blade arrangements in turbines and compressors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG26876A DE1157631B (en) | 1959-04-18 | 1959-04-18 | Blade binding in turbo machines |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1157631B true DE1157631B (en) | 1963-11-21 |
Family
ID=7123061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEG26876A Pending DE1157631B (en) | 1959-04-18 | 1959-04-18 | Blade binding in turbo machines |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1157631B (en) |
GB (1) | GB943023A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH622313A5 (en) * | 1977-09-14 | 1981-03-31 | Bbc Brown Boveri & Cie | |
DE3810537A1 (en) * | 1988-03-28 | 1989-10-19 | Semm Tec Computerentwicklung V | VIBRATION DAMPING FOR AXIAL BLADES |
GB9609721D0 (en) * | 1996-05-09 | 1996-07-10 | Rolls Royce Plc | Vibration damping |
US5820348A (en) * | 1996-09-17 | 1998-10-13 | Fricke; J. Robert | Damping system for vibrating members |
IT201900013854A1 (en) * | 2019-08-02 | 2021-02-02 | Ge Avio Srl | TURBINE MOTOR WITH SNAP-IN GASKETS. |
PL431184A1 (en) | 2019-09-17 | 2021-03-22 | General Electric Company Polska Spółka Z Ograniczoną Odpowiedzialnością | Turboshaft engine set |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US919853A (en) * | 1907-10-12 | 1909-04-27 | Westinghouse Machine Co | Elastic-fluid turbine. |
GB381873A (en) * | 1932-04-22 | 1932-10-13 | British Thomson Houston Co Ltd | Improvements in or relating to methods of stiffening turbine blades by means of lacing |
US1953089A (en) * | 1931-05-14 | 1934-04-03 | Lisle F Small | Turbine blade lacing and method of making the same |
US2771240A (en) * | 1952-08-27 | 1956-11-20 | Peter J Gurin | Automatic dynamic balancer |
DE966503C (en) * | 1953-12-12 | 1957-08-14 | Siemens Ag | Blade connection for steam or gas turbines |
-
1959
- 1959-04-18 DE DEG26876A patent/DE1157631B/en active Pending
-
1960
- 1960-04-13 GB GB1323960A patent/GB943023A/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US919853A (en) * | 1907-10-12 | 1909-04-27 | Westinghouse Machine Co | Elastic-fluid turbine. |
US1953089A (en) * | 1931-05-14 | 1934-04-03 | Lisle F Small | Turbine blade lacing and method of making the same |
GB381873A (en) * | 1932-04-22 | 1932-10-13 | British Thomson Houston Co Ltd | Improvements in or relating to methods of stiffening turbine blades by means of lacing |
US2771240A (en) * | 1952-08-27 | 1956-11-20 | Peter J Gurin | Automatic dynamic balancer |
DE966503C (en) * | 1953-12-12 | 1957-08-14 | Siemens Ag | Blade connection for steam or gas turbines |
Also Published As
Publication number | Publication date |
---|---|
GB943023A (en) | 1963-11-27 |
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