WO2012171613A1 - Ensemble de liaison entre un arbre articulé et une transmission - Google Patents

Ensemble de liaison entre un arbre articulé et une transmission Download PDF

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Publication number
WO2012171613A1
WO2012171613A1 PCT/EP2012/002282 EP2012002282W WO2012171613A1 WO 2012171613 A1 WO2012171613 A1 WO 2012171613A1 EP 2012002282 W EP2012002282 W EP 2012002282W WO 2012171613 A1 WO2012171613 A1 WO 2012171613A1
Authority
WO
WIPO (PCT)
Prior art keywords
joint
transmission
securing means
connection part
arrangement according
Prior art date
Application number
PCT/EP2012/002282
Other languages
German (de)
English (en)
Inventor
Oliver Clemm
Daniel Guitart González
Walter Knittel
Gregor Schaaf
Original Assignee
Volkswagen Aktiengesellschaft
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2012171613A1 publication Critical patent/WO2012171613A1/fr

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
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • 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
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
    • F16D1/116—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts
    • 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
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/22326—Attachments to the outer joint member, i.e. attachments to the exterior of the outer joint member or to the shaft of the outer joint member

Definitions

  • the invention relates to a connection arrangement between a propeller shaft and a transmission, wherein the transmission side, a transmission connection part and joint shaft side are provided a joint, wherein the transmission connection part and joint are in rotationally fixed engagement with each other, and wherein transmission connection part and joint are axially secured via a securing means.
  • connection arrangement between a propeller shaft and a transmission wherein the transmission side as the first torque transmitting means, a transmission flange is used. Pivot shaft side is as a second torque transmitting means a
  • the outer joint part is with several
  • the transmission flange is in the transmission and seals the transmission, so that the transmission can be filled in the factory already with oil. This is particularly advantageous if the oil filling of the transmission can not take place decentralized in the vehicle assembly. Otherwise, a filling station would have to be provided for each assembly line. But screws and washers must be mounted by hand, the screws are tightened torque controlled and the process must be monitored, which is disadvantageous.
  • Torque transmission means is formed a pin for connection to the transmission.
  • Transmission side is the first torque transmitting means a shaft with a
  • the gearbox is internally sealed in this case, whereby the construction of the transmission is more expensive.
  • Torque transmission between the gear and the propeller shaft is positively over the intended teeth.
  • axial securing means is a snap ring. Achieving a minimum extraction force and thus the control of whether the snap ring has opened in the groove, z. B. be checked by means of a buckling wrench.
  • Torque transmission means an externally toothed pin is provided.
  • the transmission is open, wherein the externally toothed pin seals the transmission.
  • Propeller shaft side is a correspondingly internally toothed joint second
  • Torque transmission means provided. By sealing the gearbox by means of the pin a central oil filling remains possible in the factory.
  • connecting arrangement is so axially between the transmission and the propeller shaft, so that the connection assembly builds comparatively long.
  • the pivot point of the transmission-side joint of the propeller shaft is close to the wheel, whereby in operation
  • Torque transmission means is a connection part of a transmission shaft.
  • the connecting part also has an end face, wherein the end face of the outer joint part on the
  • connection part rests.
  • Torque transmission means is provided a clamping means as securing means, wherein the clamping means in the region of the end faces of the outer joint part and the connecting part.
  • the outer joint part and the connector part have facing away conical outer surfaces, on which rests a U-shaped strap.
  • connection arrangement between a propeller shaft and a transmission is known.
  • the connection arrangement forms a screwless
  • the constant velocity joint has an outer joint part. On the transmission side, a flange is provided, which is in contact with the outer joint part. The outer joint part and the flange are connected to each other for torque transmission. The outer joint part and the flange serve as each
  • Torque transmission means As a securing means an annular collar is provided, wherein the annular collar with the flange and the outer joint part is in contact and in the axial direction of the Flange and the outer joint part secured together. The collar is screwed onto the flange and the outer joint part. Additional locking screws are not provided. On the outer surface of the outer joint part and the flange a plurality of threads are provided, wherein the annular collar engages with corresponding threads on the outer surface of the flange and the outer joint part.
  • Torque transmission means provided. Gelenkwellenine an outer joint part is provided as a torque transmitting means, wherein a securing means
  • Axial screws provided that pass through the outer joint part and are screwed into the connection flange. Since the sleeve is used for torque transmission, the
  • Axial screws are kept free from the torque transmission.
  • the sleeve itself serve, in which a press fit between the sleeve on the one hand and on the other hand, in each case to the connecting flange and the outer joint part is made.
  • connection arrangements known in the prior art are not yet optimally designed.
  • the known connection arrangements are very expensive to assemble.
  • operations are very expensive and therefore very expensive.
  • the invention is therefore based on the object, such a connection arrangement and further develop, so that a high production and assembly costs are avoided and the associated costs are reduced.
  • Transmission connection part and / or joint have a latching region, wherein the Securing means can be latched by mating of transmission connection part and joint at the at least one latching area.
  • the gearbox is initially sealed “oil-tight" and already in the gear-building plant and this decentralized filling in the vehicle-building plant is no longer necessary, which in turn reduces the costs.
  • the drive shaft itself can then in the vehicle factory “be plugged”, the joint shaft side joint can be connected to the transmission-side transmission connector by plugging, which in turn reduces the assembly time.
  • the securing means snaps during mating of transmission connection part and joint on a transmission-side and / or a joint-side locking area. This has the advantage that the securing means is particularly easy to assemble and the axial securing already takes place by mating of the transmission connecting part and joint.
  • the securing means may be formed in particular as a clasp.
  • the latching areas are preferably formed as grooves.
  • the clip may in particular be arranged in the groove of the joint prior to assembly of the connection arrangement.
  • the joint preferably has an outer profile, for example an outer toothing, and can be correspondingly inserted into a receptacle of the transmission connecting part with a corresponding inner profile. But it is also possible to use other profile shapes as teeth for the connection of propeller shaft and gearbox, for example polygonal profiles, cleat profiles or other known profiles.
  • the geared connection part is preferably flange-shaped, ie with a tubular receiving portion.
  • the transmission connection part has a guide surface, preferably a chamfer.
  • the clasp is temporarily deformed radially inwards via the guide surface, namely in particular via the chamfer on the transmission connecting part.
  • the clip is pushed back through this guide surface into the groove of the joint.
  • the clip is of such a form-elastic design that the clip, upon reaching the correct axial position of the gearbox connection part and joint, ie when leaving the guide surfaces, jumps radially outward and thus comes to rest on the gear-side latching region.
  • the gearbox side Detent area is formed in particular as a groove.
  • the serving as securing means clasp therefore engages in the assembled state of the connection arrangement on the one hand in the groove on the hinge and on the other in the groove on the transmission connection part.
  • the two grooves in the same axial position are arranged radially opposite each other.
  • the clip preferably has a bracket, wherein the securing means on the bracket in such a way, in particular radially outward, is removable from the gearbox connection part and joint, that the latching connection of the joint and gearbox connection part is detachable.
  • a screwdriver or other tool can be threaded to abhebein the clasp can. The tool can work on
  • Gear terminal part are supported, so that large forces can be exerted on the securing means or on the clip that the securing means, that is, the clip is deformed so that it dissolves from the two grooves and is pulled out.
  • the clip can be designed such that the clip can be clamped with a suitable tool, for example a pair of pliers. At the free end of the clip corresponding eyelets or radially outwardly facing free ends may be formed, which can be grasped with the pliers. As a result, the clip is pulled into the inner groove of the joint, whereby joint and
  • Transmission connection part can be pulled apart again.
  • the clip is elastically deformable, so that it is reusable.
  • the torque transmission takes place positively via the outer profile on the joint and the inner profile on the
  • the transmission connection part preferably seals the transmission oil-tight.
  • the gearbox connection part can already be mounted during gearbox production.
  • External profile of the joint or transmission connecting part can be made by pressing.
  • the profiles are slightly conical, so that these profiles are easier to plug into each other during assembly.
  • the conicity also reduces the game when mating, so that load change noises are avoided while driving.
  • the joints of the propeller shaft facing the transmission can in particular be designed to be axially short so that the point of rotation of the transmission-side joint lies close to the transmission.
  • the fact that the pivot point is located relatively close to the transmission, resulting in low flexion angle, which in terms of efficiency, space, weight and the life of the joint, for example a constant velocity joint, is advantageous.
  • the raceways can be cleared in the outer joint part, so that the corresponding advantages associated with the production are maintained. The disadvantages mentioned above are therefore avoided and achieved corresponding advantages.
  • FIG. 1 in a schematic, perspective view of a
  • Fig. 2 in a schematic, partially sectional view of the
  • FIG. 3 in a schematic, partially sectional view of the
  • Fig. 4 in a schematic, cross-sectional view of the
  • connection arrangement in the unassembled state
  • Fig. 6 in a schematic, partially sectional view of the
  • Fig. 7 in a schematic, partially sectional view of the
  • connection arrangement 1 is clearly visible.
  • Connecting arrangement 1 is used to connect a propeller shaft and a transmission (not shown).
  • the connection assembly 1 is in particular for a propeller shaft of a
  • connection assembly 1 has a transmission connection part 3 on the transmission side, which has a bell portion 4 for connection to the propeller shaft and a shaft portion 5 for connection to the transmission.
  • the transmission connection part 3 is already at
  • closed gearbox is that already in the gear-building plant the
  • the propeller shaft is not shown in its entirety, it is only a joint 7 partially shown.
  • the joint 7 is designed for example as a ball constant velocity joint.
  • the hinge 7 has an outer joint part 8 and a Gelenkinnentei / (not shown in detail).
  • the outer joint part 8 has on its inside ball raceways 8a (see Fig. 4), wherein the inner joint part has corresponding ball raceways on its outer side.
  • Ball raceways 8a and the ball raceways of the inner joint part, not shown, are opposite each other in pairs and each take a not shown,
  • the balls are held by a cage, not shown, in a common plane.
  • the inner joint part has an insertion opening for receiving a unspecified connection shaft, which extends to a joint, not shown, of the propeller shaft.
  • the joint 7 has a cover 9 and a cap 10.
  • the cap 10 is designed in particular as a Faltenbaigkappe.
  • the cap 10 and the lid 9 are attached on both sides to the substantially disc-shaped annular outer part 8 in order to seal it.
  • the transmission connecting part 3 engages with the bell portion 4 at least partially the joint 7 of the propeller shaft, in particular the outer joint part 8.
  • Das Getriebean gleichteil 3 has a receptacle 11 in the region of the bell section 4.
  • an inner profile 12 is provided, for example in the form of an internal toothing.
  • the joint 7 has a
  • gearbox connection part 3 and joint 7 are connected to each other when they are inserted into each other, in a rotationally fixed engagement.
  • the joint could also have the receptacle and the transmission connection part can in this recording positively to
  • the inner profile 12 and the outer profile 13 are preferably conical. As a result, the inner profile 12 and the outer profile 13 during assembly are simply plugged into each other. The conicity reduces the game when mating, so that
  • any other form-fitting connections can also be used, for example by using polygonal profiles, stud profiles or other known profiles.
  • connection arrangement 1 in which the transmission connection part 3 has the receptacle 1 1, is particularly advantageous, since thus the pivot point (unspecified) of the joint 7 is arranged particularly close to the transmission or can be arranged.
  • the two torque transmission means namely transmission connection part 3 and joint 7, are axially secured by a securing means 14.
  • Locking means 14 engages when mating of joint 7 and gearbox connection part 3 at a gear-side and / or a joint-side locking portion 16 and 15 a. This has the advantage that the securing means 14 is particularly easy to assemble and the axial securing is already done by mating of joint 7 and gearbox connection part 3.
  • the securing means 14 is prior to the mating of joint 7 and
  • Securing means 14 are deformed radially inwardly over the guide surface 17 on the transmission connector part 3 and jump back into the latching region 16 of the transmission flange 3 when the correct axial position is reached.
  • the securing means 14 is advantageously accessible even after assembly, in particular visible. After correct assembly, the securing means 14 is at least partially visible after assembly. In this way it can be checked whether the securing means 14 rotatable after engagement, d. H. whether the securing means 14 has reached the locking position and is properly installed accordingly.
  • the securing means 14 is rotatable after assembly.
  • only one of the torque-transmitting means, joint 7 or gearbox connection part 3, one of the latching areas 15, 16 have.
  • the securing means 14 is fastened in such a configuration either on the joint 7 or on the transmission connection part 3 and engages by mating of the joint 7 and the transmission connection part 3 to the respective other component (transmission connection part 3 or joint 7).
  • both the joint 7 and the transmission connection part 3 have a latching region 15 or 16.
  • the latching region 16 is assigned to the geared connection part 3 and the latching region 15 is assigned to the joint 7, in particular to the outer joint part 8.
  • the two latching areas 16 and 15 are preferably formed as grooves 18, 19.
  • the securing means 14 is designed as a clasp 20 which engages both in the groove 18 and in the groove 19 in the assembled state.
  • the grooves 18, 19 may be formed as groove sections.
  • the grooves 18, 19 preferably extend in the circumferential direction.
  • the groove 18 is the
  • the groove 19 is provided on the outside (unspecified) of the outer joint part 8.
  • the latching region 16, here the groove 18 is at several, in particular two protruding
  • Holding areas 22, 23 is formed.
  • the holding regions 22, 23 extend in particular in the axial direction and in the circumferential direction on the transmission connection part 3.
  • the holding regions 22, 23 are formed on the bell section 4.
  • the holding regions 22, 23 have a guide surface 17 on their inner circumferential surfaces. This guide surface 17 is designed, in particular, as a chamfer which extends obliquely inwards.
  • the securing means 14 is designed in particular as a clasp 20.
  • the clasp 20 has two free ends 20a, 20b. The clasp 20 can before mounting the
  • Connecting arrangement 1 are pushed onto the hinge 7 (see Fig. 5).
  • the clasp 20 may be arranged in particular in the groove 19 of the joint 7.
  • the clasp 20 is spread elastically at the free ends 20a, 20b.
  • the transmission connection part 3 has the guide surface 17.
  • the clasp 20 is through this.
  • Guide surface 17 is pushed back into the groove 19 of the joint 7.
  • the clip 20 is of such a form-elastic design that the clip 20, upon reaching the correct axial position, that is, when leaving the guide surfaces 17, jumps radially outward and thus comes to rest on the gear-side latching region 16.
  • the gear-side latching region 16 is formed in particular as a groove 18.
  • the groove 18 on the transmission connecting part 3 now serves to receive the clip 20 as soon as it has been compressed at the particular obliquely inwardly extending guide surface 17 and then springs back into the groove 18.
  • the securing means 14 engages in the assembled state of
  • the securing means 14 can be dismantled non-destructively in the embodiment shown.
  • the free ends 20a, 20b of the clasp 20 are formed so that the free ends can be gripped with a tool.
  • the free ends 20a, 20b can be gripped in particular with a pair of pliers.
  • the free ends 20a, 20b have in particular eyelets or the like, in which the tines of the pliers can engage.
  • the clasp 20 is pulled into the inner groove 9, the hinge 7 can be withdrawn.
  • the Connecting arrangement 1 is then axially removable. Since the clasp 20 is only elastically deformed, it can be reused.
  • the securing means 14 is conceivable, wherein the free ends 20a, 20b have no eyelets.
  • the thus formed securing means can then be dismantled in a further manner, but the securing means is destroyed.
  • the securing means on a bracket wherein the securing means on the bracket in such a way from the hinge 7 and the transmission connector part 3 is removable, so that the latching connection of the joint 7 and transmission connector part 3 is detachable.
  • the temple is between the two
  • the clip has for ease of disassembly between the free ends preferably on the bracket on which the clip can be removed in particular radially outward.
  • the bracket protrudes in the radial direction of such hinge 7 and
  • Gear attachment part 3 so that the clip on the bracket with a tool is tangible. Disassembly of the clasp is then e.g. possible by the clasp is removed radially outward, in the z. B. a screwdriver or other tool can be threaded to abhebein the clasp can. The tool can, for example, then on
  • Transmission terminal part 3 are supported, so that large forces on the securing means are exercisable. In particular, so great forces can be exerted that the
  • Securing means i. the clasp is deformed so that it releases from the two grooves and is pulled out.
  • Transmission connection part 3 only solvable when the fuse element 14 is in particular elastically deformed, is removed and / or destroyed.
  • the inner profile 12 and the outer profile 13 are formed radially outside of the joint 7. Because this connection is not arranged axially between the transmission and the joint, but radially outside of the joint 7, a larger distance between the wheel-side joint and the transmission-side joint 7 of the propeller shaft is made possible, whereby smaller deflection angles are realized.
  • the securing means 14 is from the center of
  • the grease used in the region of the toothing is preferably held in the receptacle 11 by a sealing means.
  • a sealing means or a sealing element is provided, which protects the joint 7 and the transmission connection part 3 from ingress of water and dirt, as well as from loss of the lubricant in the receptacle 11.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Power Transmission Devices (AREA)
  • General Details Of Gearings (AREA)

Abstract

L'invention concerne un ensemble de liaison (1) entre un arbre articulé et une transmission, un élément de raccordement de transmission (3) étant agencé côté transmission et une articulation (7) étant agencée côté arbre articulé. L'élément de raccordement de transmission (3) et l'articulation (7) sont mis en prise l'un avec l'autre de manière solidaire en rotation et sont bloqués axialement par l'intermédiaire d'un moyen de blocage (14). L'invention vise à éviter une fabrication et un montage complexes. A cet effet, l'élément de raccordement de transmission (3) et/ou l'articulation (7) comportent une zone d'encliquetage (15, 16), le moyen de blocage (14) pouvant être encliqueté dans la ou les zones d'encliquetage (15, 16) par l'emboîtement de l'élément de raccordement de transmission (3) et de l'articulation (7).
PCT/EP2012/002282 2011-06-11 2012-05-30 Ensemble de liaison entre un arbre articulé et une transmission WO2012171613A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011104058.0 2011-06-11
DE102011104058.0A DE102011104058B4 (de) 2011-06-11 2011-06-11 Verbindungsanordnung zwischen einer Gelenkwelle und einem Getriebe

Publications (1)

Publication Number Publication Date
WO2012171613A1 true WO2012171613A1 (fr) 2012-12-20

Family

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Application Number Title Priority Date Filing Date
PCT/EP2012/002282 WO2012171613A1 (fr) 2011-06-11 2012-05-30 Ensemble de liaison entre un arbre articulé et une transmission

Country Status (2)

Country Link
DE (1) DE102011104058B4 (fr)
WO (1) WO2012171613A1 (fr)

Cited By (1)

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CN117686341A (zh) * 2024-02-04 2024-03-12 洛阳双瑞精铸钛业有限公司 一种深海通信用钛合金万向节的强度检测工装及检测方法

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DE19645880A1 (de) 1995-11-16 1997-05-22 Volkswagen Ag Vorrichtung zur Verbindung eines Gleichlaufgelenkes mit einer Getriebewelle
DE19715852A1 (de) * 1996-04-25 1997-10-30 Volkswagen Ag Vorrichtung zur Verbindung einer Welle mit einem Gleichlaufgelenk
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CN117686341B (zh) * 2024-02-04 2024-05-10 洛阳双瑞精铸钛业有限公司 一种深海通信用钛合金万向节的强度检测工装及检测方法

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