DE681665C - Device for the axial displacement of shafts - Google Patents
Device for the axial displacement of shaftsInfo
- Publication number
- DE681665C DE681665C DET47804D DET0047804D DE681665C DE 681665 C DE681665 C DE 681665C DE T47804 D DET47804 D DE T47804D DE T0047804 D DET0047804 D DE T0047804D DE 681665 C DE681665 C DE 681665C
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- shafts
- axial displacement
- rollers
- steel ring
- 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.)
- Expired
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
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/025—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a friction shaft
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Description
Die Erfindung bezieht sich auf eine Vorrichtung zum axialen Verschieben von Wellen. The invention relates to a device for axially displacing shafts.
Erfindungsgemäß wird diese Wellenver-Schiebung durch ein Walzengetriebe erreicht, dessen äußerer Laufring stillsteht, geschlitzt ist und durch Verspannen des Schlitzabstandes eine mehr oder weniger konische Gestalt aufweist. Infolge der verschiedenen Ablauf durchmesser stellen sich die Rollen schräg, wälzen sich auf der Welle scheibenförmig ab und schieben diese axial weiter.According to the invention, this shaft displacement is achieved by a roller gear, whose outer race is stationary, is slotted and by tightening the slot spacing has a more or less conical shape. As a result of the different drainage diameters If the rollers are inclined, they roll off the shaft in the shape of a disk and push them further axially.
Die Erfindung ist beispielsweise als Feinverschiebevorrichtung an Bohrmaschinen'verwendbar. The invention can be used, for example, as a fine displacement device on drilling machines.
In der Zeichnung ist eine solche Vorrichtung beispielsweise dargestellt. Sie besteht aus einem gehärteten und zweckmäßig schräg aufgeschnittenen Stahlring a, der in entspanntem Zustand in der Bohrung genau zylindrisch und an den Seiten winkelrecht und plan parallel geschliffen ist. Der Stahlring α kann durch eine Schraubet im Durchmesser zusammengezogen und durch eine Schraube c verwunden werden. In der Bohrung des Stahlringes α sind eine Anzahl zylindrische, gehärtete Stahlrollen d derart angeordnet, daß diese ohne Spiel sowohl in dem Stahlring a als auch auf der gehärteten und geschliffenen Welle e rollen. Die Rollen d und der Stahlring α sind seitlich durch je einen gehärteten und plan geschliffenen Stahlring / abgedeckt und durch Schrauben g zusammengehalten. Die gesamte Vorschubeinrichtung ist in beliebiger Weise an einem Lager h seitlich befestigt.Such a device is shown, for example, in the drawing. It consists of a hardened steel ring a which is appropriately cut open at an angle, which in the relaxed state is precisely cylindrical in the bore and ground at right angles and plane parallel on the sides. The steel ring α can be pulled together in diameter by a screw and twisted by a screw c. In the bore of the steel ring α a number of cylindrical, hardened steel rollers d are arranged in such a way that they roll without play both in the steel ring a and on the hardened and ground shaft e. The rollers d and the steel ring α are laterally covered by a hardened and flat-ground steel ring / and held together by screws g . The entire feed device is attached to the side of a bearing h in any desired manner.
Die Vorrichtung wirkt in folgender Weise: Wenn die Welle e in Umdrehungen versetzt wird und die Rollen d lose auf der Welle e und in dem Stahlring α kreisen und abrollen, entsteht keine seitliche Verschiebung der Welle e. Mit Hilfe der Schraube c wird der Stahlringß verwunden, so daß die Rollen*/ beim Abrollen auf den verschieden großen Außendurchmessern des konischen Ringes sich um ein gewisses Maß schief zu der Achse der Wellen stellen. Mit Hilfe der Schraubeb wird der Stahlring α zusammengezogen, so daß zwischen dessen Bohrung, den Rollen d und der Wellen eine Pressung vorhanden ist. Infolge ihrer Schrägstellung laufen die Rollen auf der Welle schraubenförmig ab und verschieben diese axial. Infolge der seitlichen Begrenzungsscheiben können die Rollern nicht axial aus dem konischen Ring auswandern.The device works in the following way: When the shaft e is set in rotation and the rollers d loosely circle and roll on the shaft e and in the steel ring α , there is no lateral displacement of the shaft e. With the help of the screw c the steel ring is twisted so that the rollers * / when rolling on the different large outer diameters of the conical ring are askew to the axis of the shafts by a certain amount. With the help of the screw b the steel ring α is pulled together so that there is a pressure between its bore, the rollers d and the shafts. As a result of their inclination, the rollers run helically on the shaft and move it axially. As a result of the lateral limiting discs, the rollers cannot migrate axially out of the conical ring.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET47804D DE681665C (en) | 1936-11-22 | 1936-11-22 | Device for the axial displacement of shafts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET47804D DE681665C (en) | 1936-11-22 | 1936-11-22 | Device for the axial displacement of shafts |
Publications (1)
Publication Number | Publication Date |
---|---|
DE681665C true DE681665C (en) | 1939-09-28 |
Family
ID=7562704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DET47804D Expired DE681665C (en) | 1936-11-22 | 1936-11-22 | Device for the axial displacement of shafts |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE681665C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2199835A5 (en) * | 1972-09-14 | 1974-04-12 | Elkem Spigerverket As |
-
1936
- 1936-11-22 DE DET47804D patent/DE681665C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2199835A5 (en) * | 1972-09-14 | 1974-04-12 | Elkem Spigerverket As |
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