CH90138A - Coupling which is flexible on all sides and is suitable for transmitting large forces. - Google Patents
Coupling which is flexible on all sides and is suitable for transmitting large forces.Info
- Publication number
- CH90138A CH90138A CH90138DA CH90138A CH 90138 A CH90138 A CH 90138A CH 90138D A CH90138D A CH 90138DA CH 90138 A CH90138 A CH 90138A
- Authority
- CH
- Switzerland
- Prior art keywords
- coupling
- large forces
- sides
- flexible
- spring
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/72—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Description
Zur Übertragung grosser Kräfte geeignete, allseitig nachgiebige Kupplung. Gegenstand der Erfindung bildet eine Kupplung, die sich zur Übertragung grosser Kräfte eignet und in geringem Masse die gegenseitige Beweglichkeit der zu kuppelnden Wellen nach allen Seiten gestattet. So dürfen die Wellen etwas exzentrisch liegen, ihre Achsen dürfen einen kleinen Winkel mitein ander bilden, Exzentrizität, Achsenwinkel dürfen sich im Betrieb ändern, sei es regel mässig bei jeder Umdrehung, sei es in grösseren Zeitabständen, z. B. durch Lagerabnutzung; ferner ist eine gewisse gegenseitige Längs- verachieblichkeit der Wellen zulässig. Die genannten Eigenschaften besitzt auch die bekannte Federkupplung, bei der zwischen den beiden Wellen eine Schrauben- oder eine Spiralfeder eingebaut ist.
Eine derartige Kupp lung ist aber nicht zur Übertragung grosser Kräfte befähigt und kann ausserdem nicht in beiden Drehrichtungen gleichhoch beansprucht werden.
Nach der Erfindung wird nun eine Feder verwendet, die nicht nur völlig symmetrisch ist und .daher in beiden Drehrichtungen gleiche Festigkeit besitzt, sondern auch zur Übertragung sehr grosser Kräfte sich eignet. Diese Feder besteht aus einem Rohr aus elastischem Metall, das in mehreren quer zur Rohrachse nebeneinanderliegenden Ebenen durch nicht durchgehende, gegeneinander ver setzte Schlitze derart in Lamellen zerlegt isf, dass zwischen je zwei benachbarten La mellen mindestens zwei Verbindungsstücke stehen bleiben.
Eine Ausführungsform der neuen Kupp lung ist in der Zeichnung dargestellt. Zwi schen den beiden Kupplungsflanschen a. und b ist die Feder c befestigt, die, wie aus Fig. 2 ersichtlich; rohrförmigen Querschnitt besitzt. In dieses Rohr sind abwechselnd um 90 versetzte Schlitze d eingefräst, zwischen denen Lamellen e gebildet werden; diese werden durch entsprechend versetzte Verbindungs stücke f zusammengehalten, so dass die ganze Feder aus einem Stück besteht, das eine allseitige, wenn auch begrenzte Beweglich keit besitzt.
Die Feder kann in achsialer Richtung beliebig lang und in der Wandstärke beliebig stark bemessen werden, daher kann ihre Elastizität sowohl, als auch ihr Kraftüber- tragungsvermögen allen vorkommenden V er- hältnissen angepasst werden. Um die Kupp lung elektrisch isolierend zu machen, kann ohne weiteres zwischen die Flanschen a., b und die Feder c ein Isolierstoff eingelegt werden.
Coupling which is flexible on all sides and is suitable for transmitting large forces. The subject matter of the invention is a coupling which is suitable for the transmission of large forces and which allows the shafts to be coupled to move in all directions to a small extent. The shafts can be a little eccentric, their axes can form a small angle with each other, eccentricity, axis angles can change during operation, be it regularly with each revolution, be it at longer time intervals, e.g. B. by bearing wear; a certain mutual longitudinal displacement of the shafts is also permissible. The above-mentioned properties also have the well-known spring clutch, in which a helical or spiral spring is installed between the two shafts.
Such a coupling, however, is not capable of transmitting large forces and, moreover, cannot be stressed equally in both directions of rotation.
According to the invention, a spring is now used which is not only completely symmetrical and .therefore has the same strength in both directions of rotation, but is also suitable for transmitting very large forces. This spring consists of a tube made of elastic metal, which is divided into lamellae in several planes lying next to one another transversely to the axis of the pipe through non-continuous, mutually offset slots in such a way that at least two connecting pieces remain between every two adjacent lamellae.
An embodiment of the new hitch ment is shown in the drawing. Between the two coupling flanges a. and b, the spring c is attached which, as can be seen from FIG. 2; Has tubular cross-section. In this tube, alternately offset by 90 slots d are milled, between which lamellae e are formed; these are held together by appropriately offset connecting pieces f, so that the whole spring consists of one piece that has all-round, albeit limited mobility.
The spring can be dimensioned as long as desired in the axial direction and as large as desired in terms of wall thickness, so both its elasticity and its power transmission capacity can be adapted to all conditions that occur. In order to make the coupling electrically insulating, an insulating material can easily be inserted between the flanges a., B and the spring c.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH90138T | 1920-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH90138A true CH90138A (en) | 1921-08-01 |
Family
ID=4347376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH90138D CH90138A (en) | 1920-06-05 | 1920-06-05 | Coupling which is flexible on all sides and is suitable for transmitting large forces. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH90138A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2595818A (en) * | 1948-04-17 | 1952-05-06 | Chrysler Corp | Overload release coupling |
US2603540A (en) * | 1947-05-22 | 1952-07-15 | Westinghouse Electric Corp | Bearing support |
EP0181625A2 (en) * | 1984-11-10 | 1986-05-21 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Finishing tool for precision bores |
FR2678989A1 (en) * | 1991-07-09 | 1993-01-15 | Aerospatiale | DEVICE FOR MECHANICAL TEMPORARY FIXING IN FLEXIBLE AND WITH TRACTION CALIBRATED RUPTURE, AND A METHOD FOR ITS MANUFACTURE. |
-
1920
- 1920-06-05 CH CH90138D patent/CH90138A/en unknown
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2603540A (en) * | 1947-05-22 | 1952-07-15 | Westinghouse Electric Corp | Bearing support |
US2595818A (en) * | 1948-04-17 | 1952-05-06 | Chrysler Corp | Overload release coupling |
EP0181625A2 (en) * | 1984-11-10 | 1986-05-21 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Finishing tool for precision bores |
EP0181625A3 (en) * | 1984-11-10 | 1987-09-02 | Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Mapal | Finishing tool for precision bores |
FR2678989A1 (en) * | 1991-07-09 | 1993-01-15 | Aerospatiale | DEVICE FOR MECHANICAL TEMPORARY FIXING IN FLEXIBLE AND WITH TRACTION CALIBRATED RUPTURE, AND A METHOD FOR ITS MANUFACTURE. |
EP0524046A1 (en) * | 1991-07-09 | 1993-01-20 | AEROSPATIALE Société Nationale Industrielle | Device for flexible temporary mechanical attachment with calibrated rupture in tension and method for its manufacture |
US5302044A (en) * | 1991-07-09 | 1994-04-12 | Societe Nationale Industrielle Et Aerospatiale | Temporary mechanical attachment device flexible in bending and designed to fracture at a predetermined tensile load, and method of manufacturing it |
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