DE3445867C2 - Link chain for continuously variable conical pulley belt drives - Google Patents
Link chain for continuously variable conical pulley belt drivesInfo
- Publication number
- DE3445867C2 DE3445867C2 DE19843445867 DE3445867A DE3445867C2 DE 3445867 C2 DE3445867 C2 DE 3445867C2 DE 19843445867 DE19843445867 DE 19843445867 DE 3445867 A DE3445867 A DE 3445867A DE 3445867 C2 DE3445867 C2 DE 3445867C2
- Authority
- DE
- Germany
- Prior art keywords
- links
- conical
- chain
- link chain
- link
- 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
- 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
- F16H9/125—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 characterised by means for controlling the geometrical interrelationship of pulleys and the endless flexible member, e.g. belt alignment or position of the resulting axial pulley force in the plane perpendicular to the pulley axis
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/16—V-belts, i.e. belts of tapered cross-section consisting of several parts
- F16G5/18—V-belts, i.e. belts of tapered cross-section consisting of several parts in the form of links
-
- 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
- F16H9/24—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using chains or toothed belts, belts in the form of links; Chains or belts specially adapted to such gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
Bei einer Laschenkette für stufenlos regelbare Kegelscheiben-Umschlingungsgetriebe mit einer Gruppe von Innenlaschen, die über Schwenkbolzen in gelenkiger Verbindung mit einer Gruppe von Außenlaschen stehen und wobei die Außenlaschen im Querschnitt etwa V-förmige Seitenflanken aufweisen, sind die Außenlaschen an ihren Seitenflanken in Kegelscheiben-Tangentialrichtung ballig konkav und in Kegelscheiben-Mantelrichtung ballig konvex ausgebildet.In the case of a link chain for continuously variable conical pulley belt drives with a group of inner links which are in an articulated connection with a group of outer links via pivot pins and with the outer links having approximately V-shaped side flanks in cross section, the outer links are in the conical pulley tangential direction on their side flanks spherically concave and spherically convex in the direction of the surface of the conical disk.
Description
3 43 4
F i g. 1 gesehen, verläuft in der mittleren Lage des Ket- sich mit ihren Enden in die Längsbohrungen 5 der Vertengliedes KG im Tangentenpunkt Tan der Mantellinie bindungs-Lastglieder 2 soweit erstrecken, daß eine gc- M in einer Schnittlinie, die sich aus einem Schnitt der lenkige Schwenkverbindung erzielt wird. Kegelscheibe KS mit der in Strich-Punkt-Linien ange- Zwischen den einzelnen Verbindungs-Lastglieder 2F i g. 1 seen, runs in the middle position of the Ket- itself with its ends in the longitudinal bores 5 of the vertebral link KG at the tangent point Tan of the surface line binding load links 2 extend so far that a gc- M in a section line that results from a section of the articulated Swivel connection is achieved. Conical pulley KS with the between the individual connecting load links 2
deuteten Schnittebene S ergibt und die in etwa eine 5 sind sich mit ihren Enden an die Enden 3 der Verbin-Hyperbellinie ergibt. Eine solche Hyperbellinie kann dungs-Lastglieder 2 anschmiegende lose Füll-Lastgliedurch einen entsprechenden Krümmungskreis angenä- der 13 angeordnet, die mit seiner Längsbohrung 16 die hert werden. einfachen geraden Innenlaschen 12 umfassen. Die loseninterpreted section plane S results and the approximately 5 are connected with their ends to the ends 3 of the connection hyperbolic line results. Such a hyperbolic line can be caused by the load links 2 clinging loose load links a corresponding circle of curvature approximated 13, which with its longitudinal bore 16 the be hert. simple straight inner plates 12 include. The loose
Die Schar von Pfeilen parallel zur Schnittebene S FOH-Lastglieder 13 weisen in Seitenansicht eine durch stellen weitere Schnittebenen mit der Kegelscheibe KS 10 zwei kreisbogenförmige Ausnehmungen 14 gebildete dar, von denen die oberste die maximal außenliegende Spulenform und in Frontansicht durch kreisbogenförmi- und die unterste die maximal innenliegende Beruh- ge Wölbungen etwa V-förmige Seitenplanken 15 auf. rungslinie zwischen dem Kettenglied KG und der Ke- Durch die F i g. 3 und 4, in denen a) jeweils eine Seigelscheibe KS bilden. Zwischen diesen beiden extremen tenansicht, b) jeweils eine Frontansicht und c) jeweils Schnittebenen ergibt sich eine Schar von parallelen 15 eine Ansicht in Richtung des Radius R darstellt, kann die Schnittebenen, deren angenäherte Krümmungskreise, geometrische Form der entsprechenden Einzelteile der wie durch die Schar von Pfeilen angedeutet, die an der Gliederkette genauer erfaßt werden. Seitenflanfce des Kettengliedes KG ausgebildete Sattel- Die seitliche Fixierung der Gelenkbolzen 9 erfolgtThe family of arrows parallel to the sectional plane S FOH load members 13 show in a side view a through represent further sectional planes with the conical pulley KS 10 two circular-arc-shaped recesses 14, of which the uppermost the maximum outer coil shape and in a front view through circular arc-shaped and the lowest maximum inner resting arches approximately V-shaped side planks 15. tion line between the chain link KG and the Ke- Through the F i g. 3 and 4, in which a) each form a Seigel disc KS . Between these two extreme tenansicht, b) each a front view and c) each cutting planes results in a group of parallel 15 a view in the direction of the radius R , the cutting planes, their approximated circles of curvature, the geometric shape of the corresponding individual parts of the how by the group indicated by arrows, which are recorded more precisely on the link chain. Side flange of the chain link KG formed saddle The lateral fixation of the hinge pin 9 takes place
fläche beschreiben. durch Preßsitz der Gelenkbolzen 9, wahlweise in dendescribe area. by press fit of the hinge pin 9, optionally in the
Nachdem die Sattelfläche an der Seitenflanke des 20 Bohrungen 11 der Innenlaschen 12 or!cr in den Bohrun-Kettengliedes KG der Summe aller Krümmungsradien gen 7 und 8 in den Yerbindungs-Lastgüedern 2, wobei entspricht, ist bei jedem Übersetzungsverhältnis eine der Los- oder Gleitsitz im jeweils anderen Bauteil voroptimale Berührungslinie zwischen dem Kettenglied gesehen wird. KG und der Kegelscheibe KSgewährleistet Die in den F i g. 2 bis 4 erläuterte AusführungsformAfter the saddle surface on the side flank of the 20 bores 11 of the inner link plates 12 or! Cr in the Bohrun chain link KG corresponds to the sum of all radii of curvature in 7 and 8 in the connection load values 2, where, at each transmission ratio there is a loose or sliding fit in the respective other component the pre-optimal line of contact between the chain link is seen. KG and the conical pulley KS ensures the in the F i g. 2 to 4 explained embodiment
Damit bei innerster Stellung des Kettengliedes KG 25 einer Gliederkette ist nicht einschränkend zu betrachan der Kegelscheibe KS, bei der der geringste Krüm- ten, vielmehr sind weitere Ausführungsformen in Vermungsradius wirksam ist, sichergestellt wird, daß die bindung mit der Erfindung möglich, wie sie als Glieder-Kreisabschnittshöhe beim Kettenglied KG bezogen auf ketten bestehend aus Verbindungs-Lastgliedern mit eingleiche Sehnenlänge größer ist als bei der Kegelscheibe seitig oder doppelseitig vorgesehenen gabelförmigen KS, muß eine gewisse Balligkeit der zusammenwirken- 30 Verbindungsenden möglich sind.So that with the innermost position of the chain link KG 25 of a link chain, the conical pulley KS, in which the smallest curvature, rather further embodiments are effective in the measurement radius, is ensured that the connection with the invention is possible, as it is Link circle section height in chain link KG based on chains consisting of connecting load links with the same chord length is greater than with the conical disk on the side or on both sides of the fork-shaped KS, a certain crowning of the interacting connecting ends must be possible.
den Laufflächen vorgesehen werden. Das Kettenglied the running surfaces are provided. The chain link
KG wird daher in Kegelscheiben-Mantelrichtung kon- Hierzu 2 Blatt Zeichnungen KG is therefore designed in the direction of the conical pulley shell. 2 sheets of drawings
vex und die Kegelscheibe KS wird in Kegelscheiben- vex and the conical pulley KS is in conical pulley
Mantelrichtung konkav ausgebildetSheath direction concave
Diese wechselseitige Krümmung reicht aus um eine 35
Zweipunktberührung zwischen der Kegelscheibe KS
und dem Kettenglied KG zu vermeiden und hilft sicherzustellen, daß die Berührung jeweils auf dem vorgesehewen
Krümmungsradius möglich ist.This reciprocal curvature is sufficient for a 35
Two-point contact between the conical pulley KS
and to avoid the chain link KG and helps to ensure that contact is possible in each case on the intended radius of curvature.
In Fi g. 1 is„der maximale Abstand »a«des kleinsten 40
Krümmungsradius des Kettengliedes KG (an der Innenkante)
vom gegenüberliegenden auf der Kegelscheibe
KS liegenden Krümmungsradius bezeichnet und eine
entsprechende Formel angegeben, die sicherstellt, daß
dieser Abstand größer bzw. gleich der Differenz der 45
zugehörigen Kreisabschnitthöhen bezogen auf die gleiehe
durch die Kettengliedlänge vorgegebene Krümmungsradiussehne istIn Fi g. 1 is "the maximum distance " a "of the smallest 40
Radius of curvature of the chain link KG (on the inner edge) from the opposite on the conical pulley
KS lying radius of curvature and a
corresponding formula is given, which ensures that
this distance is greater than or equal to the difference between the 45
associated circle segment heights based on the same curve radius chord given by the chain link length
Die Berührung zwischen dem Kettenglied KG und
der Kegelscheibe KS eriblgt selbstverständlich noch 50
tatsächlich als Linienberührung sondern erfolgt entlang
des vorgesehenen Krümmungsradius mit einer Flächenberührung, die sich in bekannter Weise aus der üblichen
Formel über die Hertzsche Pressung ergibt.The contact between the chain link KG and
Of course, the KS conical pulley still has 50
actually as line contact but takes place along
of the intended radius of curvature with a surface contact, which is in a known manner from the usual
Formula for the Hertzian pressure results.
In Fig. 2 ist der Mittelpunkt Meiner nicht gezeigten 55
Kegelscheibe angedeutet und die Laschenkette 1 ist in
ihrer Lage gezeichnet, die sie einnimmt, wenn sie in
einem Radius R der in Strich-Punkt-Linien angedeutet
ist umgelenkt wird. Die Gliederkette 1 besteht aus Verbindungs-Lastgliedern
2, die in Seitenansicht kreisbo- 60
genförmige Enden 3 und in Frontansicht V-förmig angeordnete Seitenflanken 4 aufweisen. Die Verbindungs-Lastglieder
2 weisen eine Längsbohrung 5 auf, deren
Enden 6 erweitert sind. Die Verbindungs-Lastglieder 2
weisen weiterhin zwsi Querbohrungen 7 und 8 auf, die 6S
zur Aufnahme von Gelenkbolzen 9 vorgesehen sind.In FIG. 2, the center M is a 55 (not shown)
Conical disk indicated and the link chain 1 is in
its position that it occupies when it is in
a radius R indicated in dash-dot lines
is being diverted. The link chain 1 consists of connecting load links 2, which are circular in side view
have gene-shaped ends 3 and side flanks 4 arranged in a V-shape when viewed from the front. The connecting load links 2 have a longitudinal bore 5, whose
Ends 6 are expanded. The connecting load links 2
continue to have two cross bores 7 and 8, the 6S
for receiving hinge pins 9 are provided.
Die Schwenkbolzen » Erstrecken sich durch Querbohrungen 11 in einfachen geraden Innenlaschen 12, dieThe pivot pins »extend through transverse bores 11 in simple straight inner plates 12 that
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843445867 DE3445867C2 (en) | 1984-12-15 | 1984-12-15 | Link chain for continuously variable conical pulley belt drives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843445867 DE3445867C2 (en) | 1984-12-15 | 1984-12-15 | Link chain for continuously variable conical pulley belt drives |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3445867A1 DE3445867A1 (en) | 1986-06-26 |
DE3445867C2 true DE3445867C2 (en) | 1986-11-06 |
Family
ID=6252909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843445867 Expired DE3445867C2 (en) | 1984-12-15 | 1984-12-15 | Link chain for continuously variable conical pulley belt drives |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3445867C2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10235342A1 (en) * | 2002-08-02 | 2004-02-19 | Audi Ag | Wrap contact converter for infinitely variable transmission of vehicle has run-up surfaces of at least one disk pair concave in cross section |
DE10018243B4 (en) * | 1999-04-19 | 2012-04-26 | Schaeffler Technologies Gmbh & Co. Kg | Continuously variable-speed conical-pulley transmission |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA966110B (en) * | 1996-06-24 | 1997-02-03 | Jacobus Pieter Theunis Jonker | Power transmission belt. |
US6997833B2 (en) * | 2003-03-17 | 2006-02-14 | Cvtech R&D Inc. | Double-sided sliding button for use in a continuously variable transmission |
DE102013216262A1 (en) * | 2013-08-16 | 2015-02-19 | Schaeffler Technologies Gmbh & Co. Kg | contact converter |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE318556C (en) * | ||||
US2897682A (en) * | 1956-05-11 | 1959-08-04 | Edmund C Johnson | Variable speed drive |
DE1088294B (en) * | 1958-12-20 | 1960-09-01 | Reimers Getriebe K G | Link chain for frictional force transmission in continuously adjustable conical pulley belt drives |
-
1984
- 1984-12-15 DE DE19843445867 patent/DE3445867C2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10018243B4 (en) * | 1999-04-19 | 2012-04-26 | Schaeffler Technologies Gmbh & Co. Kg | Continuously variable-speed conical-pulley transmission |
DE10235342A1 (en) * | 2002-08-02 | 2004-02-19 | Audi Ag | Wrap contact converter for infinitely variable transmission of vehicle has run-up surfaces of at least one disk pair concave in cross section |
Also Published As
Publication number | Publication date |
---|---|
DE3445867A1 (en) | 1986-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2441569C3 (en) | Endless drive belt | |
DE4312864C2 (en) | Chain link conveyor | |
DE4014868C2 (en) | Chain for a continuously variable transmission | |
DE3640354A1 (en) | DRIVE CHAIN | |
DE10003131B4 (en) | link chain | |
DE2116930B2 (en) | ENDLESS, FLEXIBLE FORCE TRANSFER LINK | |
DE3639784C2 (en) | ||
DE10141333A1 (en) | Tooth chain that can be engaged on both sides | |
DE102008058672A1 (en) | Tab for a cradle link chain | |
DE3704176C2 (en) | ||
DE3819599C1 (en) | ||
EP0396701B1 (en) | Roller chain | |
DE19920025C2 (en) | Crawler track | |
DE4332447A1 (en) | Chain strap | |
EP1977136A2 (en) | Chain | |
DE3445867C2 (en) | Link chain for continuously variable conical pulley belt drives | |
DE2557724B2 (en) | Link V-belt | |
DE10236705B4 (en) | Transport toothed chain with reduced height wear | |
DE3115927A1 (en) | CHAIN WHEEL, ESPECIALLY FOR CHAIN CONVEYORS, CHAIN-DRAWING RECOVERY MACHINES AND THE LIKE | |
DE3844243A1 (en) | ENDLESS TRANSMISSION BELT | |
DE10151863A1 (en) | Conveyor chain link, to travel along curved paths, has a structured joint bolt and joint head with guide surfaces, to allow lateral and vertical swing movements between the links | |
DE2757409C2 (en) | Guide for rollers of an apron conveyor | |
DE4317461C2 (en) | Self-adjusting sprocket | |
DE2907708C2 (en) | Chain conveyor | |
DE1137609B (en) | Link chain for a stepless pulley belt drive |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8330 | Complete disclaimer |