WO2005024258A1 - Accouplement d'arbres, son procede d'obtention et de demontage - Google Patents

Accouplement d'arbres, son procede d'obtention et de demontage Download PDF

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Publication number
WO2005024258A1
WO2005024258A1 PCT/EP2004/006447 EP2004006447W WO2005024258A1 WO 2005024258 A1 WO2005024258 A1 WO 2005024258A1 EP 2004006447 W EP2004006447 W EP 2004006447W WO 2005024258 A1 WO2005024258 A1 WO 2005024258A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
force application
application means
axial
shaft connection
Prior art date
Application number
PCT/EP2004/006447
Other languages
German (de)
English (en)
Inventor
Heinzwilli Fuchs
Werner Krude
Original Assignee
Gkn Driveline International Gmbh
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 Gkn Driveline International Gmbh filed Critical Gkn Driveline International Gmbh
Publication of WO2005024258A1 publication Critical patent/WO2005024258A1/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing

Definitions

  • the invention relates to a shaft connection between a hollow shaft, which is provided at one end with an inner shaft toothing, and a stub shaft, which is provided at one end with an outer shaft toothing, with axial securing means between the shafts e.g. are effectively arranged in the form of a snap ring.
  • a preferred application of such a shaft connection is in the area of side shafts or longitudinal drive shafts in drive trains of motor vehicles.
  • the invention relates in particular to the connection of differential-side rotary joints to the tubular shafts of the side shafts or the longitudinal drive shaft.
  • the present invention has for its object to provide a shaft connection of the type mentioned, which is easier to assemble and disassemble, and to propose a method for assembling and disassembling a generic shaft connection.
  • the solution to this lies in a shaft connection between a hollow shaft, which is provided at one end with an inner shaft toothing, and a stub shaft, which is provided at one end with an outer shaft toothing, axial securing means in the form of a snap ring being provided between the shafts, wherein outside on the hollow shaft with an axial distance from the shaft end, first force application means are arranged for axial forces and second force application means for axial forces are arranged on the outside of the stub shaft at a distance from the outer shaft toothing, with an axial distance between the first and second force application means when the shaft connection is installed.
  • Various options are proposed for the configuration of the force application means according to the invention.
  • At least one of the force application means consists of an outer rectangular groove with a rectangular locking ring inserted therein. Another possibility is that at least one of the force application means consists of an open rectangular groove. Finally, another possibility is that at least one of the force application means consists of an outer rectangular collar.
  • the axial length L1 measured over the shaft ends when the shaft connection is installed i. H. the axial coverage of the two shafts is smaller than the axial length L2 measured on the outside via the force application means K1, K2. It is further provided that the axial length L measured outside via the force application means K1, K2 is greater than the sum of the lengths L1 + L2 on the assembled shaft connection before the shaft connection is installed.
  • a method according to the invention comprises the following steps:
  • Axial securing means in the form of a snap ring are provided between the shafts,
  • first force application means K1 for axial forces are arranged on the outside of the hollow shaft at an axial distance from the shaft end,
  • first and second force application means K1, K2 for axial forces are arranged on the outside of the stub shaft at a distance from the outer shaft toothing, an axial distance between the first and second force application means K1, K2 is maintained when the shaft connection is installed,
  • Figure 1 shows a shaft connection according to the invention in the assembled state
  • Figure 2 shows part of a drive train with a shaft connection according to the invention
  • Figure 3 shows a shaft connection according to the invention according to Figure 1 with means for assembly and disassembly in a first embodiment a) disassembled before assembly b) assembled before disassembly;
  • Figure 4 shows a shaft connection according to the invention according to Figure 1 with means for assembly and disassembly in a second embodiment a) disassembled before assembly b) assembled before disassembly;
  • Figure 5 shows a shaft connection according to the invention in a second embodiment
  • Figure 6 shows a shaft connection according to the invention in a third embodiment
  • Figure 7 shows a shaft connection according to the invention in a fourth embodiment
  • Figure 8 shows a shaft connection according to the invention in a fifth embodiment.
  • a shaft connection according to the invention is shown in the assembled configuration.
  • a stub shaft 13 outer shaft toothing 19, cylinder end 20, annular groove 21 and snap ring 22; furthermore rectangular groove 23 and rectangular ring 24.
  • the length L1 is to be the dimension between the end faces of the assembled shafts, that is, the covering of the shafts, and the length L2 is to be the dimension over the outer force application surfaces of the force application means for axial forces with the shaft connection installed.
  • the relationship L2> L1 preferably applies, although not necessary.
  • FIG. 2 shows an axle differential gear 41 of a motor vehicle in a view from behind with two connected side shafts 42, 43.
  • the front differential input side cannot be seen.
  • a servomotor 44 for controlling a differential lock can be seen on the differential gear.
  • On the right-hand side shaft 43 an inner swivel joint 45 and an outer swivel joint 46 can be seen, which are connected to one another via a shaft tube 47.
  • a connecting pin 48 of the internal swivel joint is inserted into the shaft tube.
  • a first force application means K1 is formed on the shaft tube 47 and a second force application means K2 is formed on the connecting pin 48.
  • FIG. 3 shows a shaft connection according to the invention consisting of a hollow shaft 12 and a shaft journal 13 a) disassembled before assembly b) assembled before disassembly
  • the hollow shaft 12 has an inner shaft toothing 14 with run-on bevels 18 at the right end and is provided with a shoulder or a recess 15 at the end of the shaft toothing for securely receiving a snap ring. With a greater axial distance from the end of the hollow shaft 12 than the aforementioned recess 15, there is a rectangular groove 16 on the outside of the hollow shaft, into which a rectangular ring 17 is inserted.
  • the combination of these design features forms the means of attack for axial forces that can be exerted by the tool W1.
  • a shaft toothing 19 is formed which is designed to match the shaft toothing 14, i. H.
  • the shaft toothings 14 and 19 are to be brought into engagement with one another over their entire length, at least by applying axial forces.
  • a cylinder 20 is attached with a circumferential groove 21 into which a circlip 22 with a round cross section is inserted.
  • This snap ring has sufficient radial play in the circumferential groove 21 to compress itself when the stub shaft and hollow shaft slide against one another at the run-up bevels 18 of the shaft toothing 14 in such a way that it can slide onto the tooth heads of the shaft toothing 14 and, after reaching the recess 15, for axial securing the two parts can relax radially against each other and enter the recess 15.
  • a rectangular groove 23 is also carried out at a distance from the shaft toothing 19, in which a rectangular ring 24 is inserted.
  • the structural features mentioned form means of attack for axial forces of the tool W2.
  • the tools W1, W2 preferably form jaws that can be divided over the circumference, so that they can optionally be attached to both sides of the force application means for axial forces.
  • the tools are each placed on the side opposite the shaft toothing, with axial force pairs F1, F2 be exerted on the tools and thus on the shafts 12, 13.
  • the toothings are to be carefully inserted into one another at a low force and then the necessary axial forces for compressing the snap ring 22 on the run-up bevels 18 and the insertion of the shaft toothings into one another, optionally with a press fit.
  • the length L measured outside via the force application means is greater than or equal to the sum of the lengths L1 + L2 according to FIG. 1.
  • the tools W1, W2 when the shaft connection is already installed, are positioned on the inside with respect to the force application means for axial forces.
  • the shafts 12, 13 can be axially disassembled, the forces having to be large enough to radially compress the snap ring 22 and to pull apart the possibly toothed shaft gears 14, 19 - hen.
  • the tools W1, W2 can each be supported individually at an external storage location; it is preferred if the tools W1, W2 z. B. support in the manner of a puller or puller directly to each other, with one of the tools a standing spindle and with the other of the tools spindle nuts are connected.
  • the design of the tools W1, W2 is designed such that they each have pairs of jaws which have an axial distance a1, a1 from one another, this distance being greater than the respective axial thickness of the force application means for the axial forces the shafts 12, 13.
  • the tools can axially enclose the force application means, so that the shafts 12, 13 and the disassembly of the shafts 12, 13 can be dismantled without moving the tools both according to illustration a and illustration b.
  • the pairs of jaws are divided over the circumference. The pairs of jaws can be rigidly supported against each other.
  • FIG. 5 shows a shaft connection according to the invention similar to that shown in FIG. shown in a modified version.
  • the same details are given the same reference numerals as in Figure 3.
  • the first force application means K1 on the shaft 12 are designed as a circumferential groove 26 and the force application means K2 of the shaft 13 as a circumferential groove 33.
  • the lengths L1, L2 are entered in the same meaning as in Figure 1.
  • FIG. 7 shows a shaft connection according to the invention similar to that shown in FIG. 3 in a modified version. The same details are given the same reference numerals as in Figure 3.
  • the ring grooves 16, 23 are not equipped with retaining rings, but serve directly as first and second force application means K1, K2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Abstract

L'invention concerne un accouplement d'arbres, entre un arbre creux (12) muni à une extrémité d'une denture intérieure (14), et un arbre enfichable (13) muni à une extrémité d'une denture extérieure (19), cependant qu'il est prévu entre les arbres (12, 13), des moyens de blocage axial (22) agissant sur ces arbres. L'invention est caractérisée en ce que des premiers moyens (K1) d'application de forces axiales, sont disposés extérieurement, sur l'arbre creux (12), à distance axiale de l'extrémité, et en ce que des seconds moyens (K2) d'application de forces axiales, sont disposés extérieurement, sur l'arbre enfichable (13), à distance de la denture extérieure (19), et en ce que, lorsque l'accouplement est monté, une distance axiale est prévue entre les premiers et les seconds moyens d'application de force (K1, K2).
PCT/EP2004/006447 2003-08-07 2004-06-16 Accouplement d'arbres, son procede d'obtention et de demontage WO2005024258A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003136118 DE10336118B4 (de) 2003-08-07 2003-08-07 Wellenverbindung und Verfahren zur Herstellung und zur Demontage
DE10336118.9 2003-08-07

Publications (1)

Publication Number Publication Date
WO2005024258A1 true WO2005024258A1 (fr) 2005-03-17

Family

ID=34177332

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/006447 WO2005024258A1 (fr) 2003-08-07 2004-06-16 Accouplement d'arbres, son procede d'obtention et de demontage

Country Status (2)

Country Link
DE (1) DE10336118B4 (fr)
WO (1) WO2005024258A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114458699A (zh) * 2022-01-27 2022-05-10 九江市鑫正科技有限公司 一种胀紧活齿联轴器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010031458A1 (de) * 2010-07-16 2012-01-19 Zf Friedrichshafen Ag Antriebsachse für ein elektrisch angetriebenes Fahrzeug
DE102015210641A1 (de) * 2015-06-10 2016-12-15 Baumüller Nürnberg GmbH Antrieb

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124318A (en) * 1978-03-23 1978-11-07 General Motors Corporation Splined assembly with retaining rings
DE19704729A1 (de) * 1997-02-07 1998-08-13 Loehr & Bromkamp Gmbh Seitenwellenzapfen für ein Differentialgetriebe mit einem angepaßten Gelenkbauteil einer Gleichlaufgelenkwelle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335779C1 (de) * 1993-10-20 1995-04-06 Daimler Benz Ag Preßpassung
DE19723038B4 (de) * 1996-06-11 2007-09-13 Volkswagen Ag Steckbare Antriebswelle für ein Kraftfahrzeug
DE20119485U1 (de) * 2001-11-30 2002-02-28 VAF-Voigt-Armaturenfabrikation & Handelsges. mbH, 45883 Gelsenkirchen Rohrverbindungsmuffe und Rohrverbindungsaggregat

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124318A (en) * 1978-03-23 1978-11-07 General Motors Corporation Splined assembly with retaining rings
DE19704729A1 (de) * 1997-02-07 1998-08-13 Loehr & Bromkamp Gmbh Seitenwellenzapfen für ein Differentialgetriebe mit einem angepaßten Gelenkbauteil einer Gleichlaufgelenkwelle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114458699A (zh) * 2022-01-27 2022-05-10 九江市鑫正科技有限公司 一种胀紧活齿联轴器

Also Published As

Publication number Publication date
DE10336118A1 (de) 2005-03-10
DE10336118B4 (de) 2005-09-01

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