DE812619C - V-belt pulley transmission - Google Patents
V-belt pulley transmissionInfo
- Publication number
- DE812619C DE812619C DESCH165A DESC000165A DE812619C DE 812619 C DE812619 C DE 812619C DE SCH165 A DESCH165 A DE SCH165A DE SC000165 A DESC000165 A DE SC000165A DE 812619 C DE812619 C DE 812619C
- Authority
- DE
- Germany
- Prior art keywords
- halves
- wedges
- belt pulley
- belt
- belts
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
-
- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
-
- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H2009/163—Arrangements of two or more belt gearings mounted in parallel, e.g. for increasing transmittable torque
-
- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H2009/166—Arrangements of two or more belt gearings mounted in series, e.g. for increasing ratio coverage
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Description
Die Erfindung bezieht sich auf ein verstellbares Keilriemenscheibengetriebe, bei dem die Kraft durch zwei oder mehrere parallel laufende Keilriemen übertragen wird und bei dem für jeden Keilriemen in den Riemenscheiben eine im Querschnitt keilförmige Riemenbahn vorgesehen ist, deren Durchmesser durch gegenseitige Verschiebung der die Riemenbahn bildenden kegeligen Scheibenhälften geändert werden kann. Durch die Veränderung des Durchmessers der Riemenbahn wird eine stufenlose Übersetzung erreicht. Dabei ist es wichtig, daß die Scheibenhälften jeder vorhandenen Scheibe gleichzeitig und mit gleichen Abständen verschoben werden, so daß sich die Riemen dauernd in denselben Ebenen befinden und so einem ungleichmäßigen Verschleiß entgehen. Ein derartiges Getriebe mit mehreren, aus je zwei konischen Hälften bestehenden, Keilriemenscheiben ist bekannt, bei dem der Durchmesser der Riemenbahnen dadurch verändert werden kann, daß die Scheibenhälften an Keilen befestigt sind, wobei die eine Hälfte jeder Riemenscheibe an einem Keil und die andere Hälfte derselben Riemenscheibe an einem anderen Keil befestigt ist, derart, daß die Hälften jeder Riemenscheibe gegeneinander verschoben werden können, wenn die Keile in entgegengesetzten Richtungen bewegt werden. Bei dieser bekannten Vorrichtung sind die Scheibenhälften an den Keilen durch Schrauben befestigt, und die für die Schrauben in den Keilen erforderlichen Gewindelöcher schwächen die Keile in nachteiliger Weise.The invention relates to an adjustable V-belt pulley transmission, in which the power is transmitted through two or more parallel V-belts and for each V-belt in the pulleys one in cross-section wedge-shaped belt track is provided, the diameter of which by mutual displacement the conical pulley halves forming the belt path can be changed. By the change in the diameter of the belt track becomes a stepless translation achieved. It is important that the slice halves of each existing slice be moved at the same time and at equal intervals so that the belts are permanently in the same planes and thus avoid uneven wear. Such a transmission with several, each consisting of two conical halves, V-belt pulleys are known in which the diameter of the belt tracks thereby can be changed that the disc halves are attached to wedges, the one half of each pulley on a key and the other half on the same pulley attached to another wedge such that the halves of each pulley can be moved against each other if the wedges are in opposite directions be moved. In this known device, the disc halves are on the Wedges fixed by screws, and those required for the screws in the wedges Threaded holes disadvantageously weaken the wedges.
Der Erfindungsgegenstand schließt diese Nachteile aus und stellt eine Ausführungsform dar, die billiger herzustellen ist. Erfindungsgemäß sind die Keile mit querverlaufenden Ausschnitten für die Scheibenhälften versehen, wobei die in gleicher Richtung verschiebbaren Hälften in die Ausschnitte des einen Keiles eingreifen, aber gleitend auf dem Keil sind, in welchen die anderen Hälften eingreifen.The subject matter of the invention eliminates these disadvantages and provides one Embodiment that is cheaper to manufacture. According to the invention are the wedges provided with transverse cutouts for the slice halves, whereby the in the same direction slidable halves engage in the cutouts of one wedge, but are sliding on the wedge into which the other halves engage.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung schematisch dargestellt.An embodiment of the invention is shown schematically in the drawing shown.
Fig. i zeigt ein Keilriemengetriebe mit zwei Wellen mit je einem Satz von Keilriemen, teilweise im Schnitt gezeichnet; Fig. 2 ist eine Seitenansicht.Fig. I shows a V-belt drive with two shafts, each with a set of V-belts, partly drawn in section; Fig. 2 is a side view.
Auf einer Welle i ist eine Büchse 2 drehbar gelagert, die an ihrer Außenseite mit beispielsweise sechs Längsnuten versehen ist, in denen drei Keile 3 und drei Keile 4 verschiebbar gelagert sind. Diese Keile sind stabförmig von rechteckigem Querschnitt, überragen die Längsnuten und sind auf ihren außerhalb der Büchse liegenden Teilen mit Ausschnitten versehen, in welche die inneren Kanten einer Anzahl auf der Büchse axial verschiebbar gelagerter konischer Scheibenhälften 7 bzw. 8 derart eingreifen, daß die Hälften 7 zusammen mit den Keilen 3 und die Hälften 8 zusammen mit den Keilen 4 zwangsläufig verschoben werden können.On a shaft i a sleeve 2 is rotatably mounted on her The outside is provided with, for example, six longitudinal grooves in which three wedges 3 and three wedges 4 are slidably mounted. These wedges are rod-shaped by rectangular Cross-section, protrude beyond the longitudinal grooves and are located on their outside of the sleeve Parts provided with cutouts in which the inner edges of a number the sleeve axially displaceably mounted conical disc halves 7 and 8 in this way engage that the halves 7 together with the wedges 3 and the halves 8 together can inevitably be moved with the wedges 4.
Die sich berührenden Scheibenhälften 7 und 8 sind je für sich hergestellt, wie die Zeichnung zeigt, und sind einander gleich; sie körnen aber auch aus einem Stück bestehen.The touching disc halves 7 and 8 are each made for themselves, as the drawing shows, and are equal to each other; but they can also come from one Piece.
Über die von den gezeigten verstellbaren Riemenscheiben auf der einen Welle gebildeten sechs Riemenbahnen sind einerseits drei Keilriemen 9 geführt, die zu einem Satz nicht gezeigter, treibender Keilriemen gehen; andererseits drei Keilriemen io, die über einen Satz von verstellbaren Riemenscheiben ii auf der anderen Welle des Getriebes geführt werden. Von den Riemenscheiben ii, die den oben beschriebenen Scheiben 7, 8 gleich sind, führen drei Keilriemen 6 zu einem Satz nicht gezeigter, getriebener Riemenscheiben. Die zwei Wellen i sind durch Seitenteile 5 miteinander verbunden, die gleichzeitig die maximale Axialverschiebung der Keile 3 und 4 begrenzen.Via the adjustable pulleys shown on the one hand Shaft formed six belt tracks are on the one hand three V-belts 9 out, the go to a set of driving V-belts not shown; on the other hand three V-belts io that has a set of adjustable pulleys ii on the other shaft of the transmission. From the pulleys ii that are those described above Pulleys 7, 8 are the same, three V-belts 6 lead to a set not shown, driven pulleys. The two shafts i are connected to one another by side parts 5 connected, which limit the maximum axial displacement of the wedges 3 and 4 at the same time.
Eine Veränderung der Übersetzung kann einfach dadurch erzielt werden, daß man das gezeigte Keilriemengetriebe als Ganzes im Verhältnis zu den nicht gezeigten treibenden und getriebenen, ortsfest gelagerten Wellen verschiebt, wobei der eine Satz von Keilriemen 6 bzw. 9 angespannt, der andere schlaff wird, so daß sich die konischen Scheibenhälften zusammen mit ihren Keilen selbsttätig verschieben. Die Durchmesser sämtlicher Riemenbahnen ändern sich dabei bis das Gleichgewicht, d. h. gleichmäßige Spannung aller Keilriemen, wieder erreicht ist.A change in the translation can be achieved simply by that the V-belt drive shown as a whole in relation to the not shown moving and driven, stationary shafts, one Set of V-belts 6 or 9 tensioned, the other is slack, so that the move the conical washer halves together with their wedges automatically. the The diameters of all belt tracks change until equilibrium is reached, i.e. H. uniform tension of all V-belts is achieved again.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK812619X | 1948-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE812619C true DE812619C (en) | 1951-09-03 |
Family
ID=8152963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DESCH165A Expired DE812619C (en) | 1948-10-22 | 1949-10-23 | V-belt pulley transmission |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE812619C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29503393U1 (en) * | 1995-03-01 | 1995-08-17 | CANICO Außenhandelsgesellschaft mbH, 28195 Bremen | Multi-stage gear |
-
1949
- 1949-10-23 DE DESCH165A patent/DE812619C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29503393U1 (en) * | 1995-03-01 | 1995-08-17 | CANICO Außenhandelsgesellschaft mbH, 28195 Bremen | Multi-stage gear |
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