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WO2007011212A1 - Embrayage utilisable dans un système d’entraînement pour véhicule, et système d’entraînement pourvu de l’embrayage - Google Patents

Embrayage utilisable dans un système d’entraînement pour véhicule, et système d’entraînement pourvu de l’embrayage Download PDF

Info

Publication number
WO2007011212A1
WO2007011212A1 PCT/NL2006/000373 NL2006000373W WO2007011212A1 WO 2007011212 A1 WO2007011212 A1 WO 2007011212A1 NL 2006000373 W NL2006000373 W NL 2006000373W WO 2007011212 A1 WO2007011212 A1 WO 2007011212A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
drive source
drive
bush
plate
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.)
Ceased
Application number
PCT/NL2006/000373
Other languages
English (en)
Inventor
Roëll Marie VAN DRUTEN
Bas Gerard Vroemen
Alexander Franciscus Anita Serrarens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DTI Group BV
Original Assignee
DTI Group BV
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
Priority claimed from NL1029838A external-priority patent/NL1029838C2/nl
Application filed by DTI Group BV filed Critical DTI Group BV
Publication of WO2007011212A1 publication Critical patent/WO2007011212A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/46—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which two axially-movable members, of which one is attached to the driving side and the other to the driven side, are pressed from one side towards an axially-located member
    • F16D13/48—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which two axially-movable members, of which one is attached to the driving side and the other to the driven side, are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member
    • F16D13/50—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which two axially-movable members, of which one is attached to the driving side and the other to the driven side, are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only

Definitions

  • Clutch usable in a vehicle drive, as well as a drive provided with the clutch
  • the invention relates to a clutch usable in a vehicle drive, comprising a first clutch part, which can be connected to and disconnected from a crankshaft of a drive source (i.e. is disconnectably connected), and a second clutch part that can be disconnectably connected to a gearbox input shaft.
  • a gearbox is here defined as a continuously variable transmission or a gearbox that comprises at least one connectable gear wheel transmission, for example because one of the gear wheels can be connected to the shaft to which it is connected on bearings by engaging a synchromesh clutch.
  • Such a clutch is generally known in the vehicle profession and is usually used in a vehicle drive.
  • the drive source crankshaft and the gearbox input shaft in a vehicle must be accurately aligned to make it possible for a clutch to be connected to both shafts.
  • An objective of the invention is to provide a clutch of the sort described in the preamble in which less high requirements need to be stipulated for the alignment accuracy of a drive source and a vehicle gearbox with respect to each other.
  • the clutch according to the invention is characterised in that the clutch comprises a first bush provided with splines, which is fastened to the first clutch part.
  • the splines allow both bushes to be at a slight angle to each other. This means a slight axial distance and/or a slight angular difference is permissible between a drive source crankshaft and a gearbox input shaft of the vehicle drive, and less high requirements can be accepted for the alignment accuracy of the drive source and vehicle gearbox with respect to each other.
  • the first bush is preferably provided with external splines.
  • the clutch preferably comprises a second bush provided with splines, which is connected to the first bush and, when used in a drive, which is connected on bearings in a housing of the gearbox or the drive source.
  • the second bush is preferably provided with internal splines.
  • the second clutch part preferably comprises only one dry clutch plate.
  • both clutch parts can align accurately with respect to each other, so that only one clutch plate is needed.
  • An embodiment of the clutch according to the invention is characterised in that the first clutch part comprises a ring-shaped engine flywheel, which can be connected via a flexible body to a drive source crankshaft.
  • This flexible body means that the engine flywheel does not have to lie completely at right angles to the drive source crankshaft of the vehicle drive.
  • a further embodiment of the clutch according to the invention is characterised in that the flexible body is formed by a flexible plate, which can be tilted and is rigid in a tangential and radial direction.
  • the clutch also comprises an axial supporting plate with which the ring-shaped engine flywheel can be connected to the drive source crankshaft, so that the flexible plate can move in an axial direction and the supporting plate is rigid in an axial direction.
  • the clutch also comprises an axial supporting plate with which the ring-shaped engine flywheel can be connected to a gearbox input shaft, so that the flexible plate can move in an axial direction and the supporting plate is rigid in an axial direction.
  • the supporting plate is preferably movable in a radial direction with respect to the crankshaft.
  • the supporting plate is preferably provided in the middle with an adj ustment screw, which is in contact with an end of the crankshaft.
  • the pre-tension of the flexible plate can be adjusted with this adjustment screw.
  • the supporting plate is preferably provided in the middle with a spherical body that, when connected to a drive source, is in contact with an end of a drive source crankshaft.
  • the second clutch part comprises a clutch plate and the first clutch part comprises a clutch housing, as well as an axially movable ring in the clutch housing, which can press against the clutch plate, which ring can be moved by an activation element that can be moved in an axial direction via a tiltable lever connected to the clutch housing, which lever comprises a first arm that extends between the fulcrum and the contact point with the ring, and a second arm that extends between the fulcrum and the contact point with the activation element, in which the length of the second arm is at least twice that of the first arm.
  • the activation element has to be moved less to disconnect the ring from the clutch plate in this lever action, which is smaller than in the known conventional dry-plate clutches.
  • the lever is preferably formed by a membrane, in which the first arm of the lever is formed by an outermost part of the membrane and the second arm by the innermost part of the membrane.
  • the outermost part of the membrane also acts as a pressure spring, which presses the ring against the clutch plate and thus keeps the clutch engaged when it is not activated.
  • the activation element preferably comprises a third bush, which is movable in an axial direction and which is radially centred in the first bush and can move freely in an axial direction in the first bush. There is no speed difference in the rotation direction between the third and first bush so that no high requirements need to be stipulated for this centring and guiding process.
  • Still a further embodiment of the clutch according to the invention is characterised in that the clutch plate is provided with splines via which the clutch plate is connected to a gearbox input shaft, and in that the clutch plate comprises a coupling ring, as well as a torsion damper, which connects the coupling ring to the splines.
  • a further embodiment of the clutch according to the invention is characterised in that there is a torsion spring between the first clutch part and the ring- shaped engine flywheel.
  • the clutch comprises a torsion spring, which is fastened to the first clutch part and can be connected to a drive source crankshaft.
  • the first clutch part comprises two engine flywheels between which there is a torsion spring.
  • the invention also relates to a vehicle drive comprising a drive source, as well as a gearbox connected to it, and a clutch according to the invention between the drive source and the gearbox, of which a first clutch part is disconnectably connected to a drive source crankshaft and the second clutch part is disconnectably connected to a gearbox input shaft.
  • An embodiment of the drive according to the invention is characterised in that the drive also comprises a differential, of which a gear wheel engages a first gear wheel on a gearbox output shaft, as well as a gear module that is suitable for changing the gear transmission without interrupting the drive, which gear module comprises a bypass transmission with three rotation bodies, of which a first rotation body is connected to a second gear wheel that engages the first gear wheel, a second rotation body is connected to supporting devices, and the third rotation body is connected to the second bush.
  • the supporting devices can for example be a brake or a flywheel or can comprise both.
  • Figure 1 shows a layout of a first embodiment of the drive according to the invention
  • Figure 2 is a diagram of a concrete embodiment of the drive shown in figure 1;
  • Figure 3 is a diagram of a concrete embodiment of a second embodiment of the drive according to the invention.
  • Figure 4 shows a concrete embodiment of the drive shown in figure 3;
  • Figures 5-11 show different embodiments of the connection between the first bush and the clutch housing;
  • FIGS 12-15 show different embodiments of the clutch between the engine flywheel and the crankshaft.
  • FIGS 16-19 show different embodiments of the connection between the flexible plate and the crankshaft.
  • FIGS 1 and 2 are diagrams of a first embodiment of the drive according to the invention as used in a vehicle.
  • the drive 1 has a drive source 3 and a gearbox 5 connected to it.
  • the clutch 7 has a first clutch part 7a, which is connected to a drive source crankshaft 9, for example by means of a bolt connection, and a second clutch part 7b, which is connected via splines S 1 to a gearbox input shaft 11.
  • the first clutch part 7a see figure 2, has an engine flywheel 13 and a clutch housing 15, which is connected to the engine flywheel on one side.
  • the first clutch part 7a also has a flexible plate 17, which is fastened on the circumference to the engine flywheel
  • the clutch housing has a first bush 19 on the other side, which is provided with external splines S 4 .
  • This first bush is present in a second bush 21, which is provided with internal splines S 4 and is connected on bearings in a gearbox housing 5.
  • the second clutch part 7b is formed by a clutch plate, which is on the gearbox input shaft.
  • the clutch plate has a coupling ring 23, which is connected via a torsion damper 25 to the splines S 1 .
  • the torsion damper suppresses vibrations in the drive line that originate from the drive source.
  • the first clutch part 7a also has an axially movable ring 27a in the clutch housing, which presses against the clutch plate.
  • This ring can be moved by an activation element 31 that is movable in an axial direction via a lever 29, which is made as a membrane.
  • the membrane also acts as a pressure spring, which presses the ring 27 against the clutch plate and keeps the clutch engaged when it is not activated.
  • the lever 29 can be turned about a fulcrum 33 on the inside of the clutch housing, and has a first arm 35, which extends between the fulcrum 33 and the contact point with the ring 27, and a second arm 37, which extends between the fulcrum 33 and the contact point with the activation element 31.
  • the length of the second arm 37 is approximately twice the length of the first arm 35.
  • the activation element 31 has a third bush 39 that can be moved in the axial direction, which is centred in the first bush 19 and is guided in the axial direction by the first bush.
  • This third bush 39 is connected via a pivot bearing 41 to a hydraulic cylinder 42, which is concentric around the input shaft 11 and is fastened to a gearbox housing.
  • the drive 1 also has a differential 43, see figure 1 , which is connected to the vehicle wheels 45.
  • the differential 43 has a gear wheel 47, which engages a first gear wheel 51 on a gearbox output shaft 49.
  • the drive 1 also has a gear module 53 to change the gear transmission without interrupting the drive.
  • the gear module 53 has a brake 55, which forms supporting devices to support torque, and a bypass transmission, which is here a planetary gear 57 with three rotation bodies s, c and a, of which a first rotation body, formed by a planet carrier c, is connected to a second gear wheel 59 that engages the first gear wheel 51, the second rotation body, formed by an annulus a, is connected to the brake 55, and the third rotation body, formed by a sun wheel s, is connected via the second bush 21 to the first bush 19 of the first clutch part 7a.
  • the connections of the rotation bodies s, c and a to the stated parts 59, 55 and 7a of the drive are here splines s 2 , s 3 and S 4 .
  • FIG. 3 shows a second embodiment of a vehicle drive 61 provided with the gear module according to the invention. All parts that are equal to those of the first embodiment are indicated by the same reference numbers.
  • the flexible plate 63 can here be moved in the axial direction and the engine flywheel 13 is also connected via an axial supporting plate 65 to the crankshaft 9.
  • This supporting plate 65 is rigid in the axial direction in order to cope with the force exercised by the activation element 31 and to support it against the crankshaft 9.
  • the supporting plate 65 is freely movable in the radial direction with respect to the crankshaft 9.
  • FIG 4 is diagram of a concrete embodiment of the drive 61 shown as a diagram in figure 3.
  • the rigid supporting plate 65 is provided in the middle with an adjustment screw 67, which presses against a ball 69 in the crankshaft 9.
  • the pre-tension of the flexible plate 63 can be adjusted with this adjustment screw 67.
  • the shape of the supporting plate 65 of the engine flywheel 13 and of the flexible plate 63 is such that the supporting plate with the flexible plate needs no or in any event as little extra room as possible in the axial direction.
  • the axial measurement of the cam 27a on the ring 27 against which the lever 29 presses is kept as small as possible, and the coupling ring 23 is fastened on the left-hand side of the torsion damper 25 instead of on the right-hand side.
  • the brake plate 55a of the brake 55 is connected via the splines S 3 to the annulus (a) of the planetary gear 57, so that it can be moved in an axial direction with respect to the annulus.
  • the internal splines S 1 by which the torsion damper 25 is connected to the coupling ring 23 is found in a clutch adapter 71, which extends in an axial direction beyond the end of the gearbox input shaft 11, in order again to reduce the axial incorporation room needed.
  • Figures 5-11 show different embodiments of the connection between the first bush 19 and the clutch housing 15.
  • Figure 5 shows the connection in figure 4 between the first bush and the clutch housing in detail.
  • the first bush 19 is fastened via bolt connections 73 to the clutch housing 15.
  • the wire spring 75 (see figure 4) can also be attached around the tubular nuts 77.
  • the first bush 19 is fastened to the clutch housing 15 with rivets 79.
  • the wire spring 75 (see figure 4) can here also be placed around the rivets 79.
  • the first bush 19 is fastened via a weld connection 81 to the clutch housing 15. There are extra bushes 83 here around which the wire spring 75 (see figure 4) can be placed.
  • the first bush 19 is connected via splines 85 to the clutch housing 15 and in the embodiment shown in figures 10 and 11 the first bush 19 is connected via an insert connection 87 to the clutch housing 15.
  • Figures 12-15 show different embodiments of the clutch between the engine flywheel and the crankshaft 9.
  • the supporting plate 65 is connected on bearings via a ball bearing 95 to a pin 97, which is connected to the gearbox input shaft 11.
  • the supporting plate 65 is provided in the middle with an adjustment screw 99, which is in contact with a ball 103 in a notch 101 in the crankshaft 9. Moreover, in this embodiment the middle section 65b of the supporting plate is enclosed in a radial direction in a further notch 105 in the crankshaft 9. Finally, in the embodiment shown in figure 15 the supporting plate 65 is connected on bearings via a slide bearing 107 to a pin 109, which is connected to the gearbox input shaft 11.
  • Figures 16-19 show different embodiments of the connection between the flexible plate 63 and the crankshaft 9.
  • FIG 16 there are holes 111 in the flexible plate 63 through which the heads of bolts 13 fastened to the crankshaft 9 protrude, in which there are flexible ring-shaped elements 115 between the bolt heads 113 and the limiting wall of the holes 111.
  • Figure 17 shows in front elevation the crankshaft 9 with the bolts 113 fastened thereon and around which there are flexible elements 115.
  • Figure 18 there are lengthwise slotted holes 117 in the flexible plate 63 through which the reversed lips 119 of a plate 121 that is fastened to the crankshaft 9 protrude, in which there are again flexible ring-shaped elements 123 between the lips 119 and the limiting wall of the holes 117.
  • Figure 19 shows in front elevation the crankshaft, with the plate 121 fastened to it, provided with protruding lips 119 around which there are flexible elements 123.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L’invention concerne un entraînement (1) ayant une source d’entraînement (3) et une boîte de vitesses (5) connectée à celle-ci. Un embrayage (7) est installé entre la source d’entraînement et la boîte de vitesses. L’embrayage (7) possède une première partie d’embrayage (7a), qui est connectée à un vilebrequin de source d’entraînement (9) et une seconde partie d’embrayage (7b), qui est connectée à un arbre d’entrée de boîte de vitesses (11). La première partie d’embrayage (7) possède un volant moteur (13) et un logement d’embrayage (15), qui est connecté au volant moteur d’un côté. Le volant moteur (13) est connecté au vilebrequin (9) par le biais d’une plaque flexible (17). La plaque flexible est rigide dans une direction tangentielle et radiale et flexible dans une direction axiale, de sorte qu’elle peut compenser un alignement imparfait du vilebrequin (9) et de l’arbre d’entrée de boîte de vitesses (11). Le logement d’embrayage possède une première douille (19) sur l’autre côté, qui est connectée par le biais de cannelures à une seconde douille (21) pourvue de cannelures internes, qui est connectée sur des paliers dans un logement de boîte de vitesses (5).
PCT/NL2006/000373 2005-07-18 2006-07-18 Embrayage utilisable dans un système d’entraînement pour véhicule, et système d’entraînement pourvu de l’embrayage Ceased WO2007011212A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
NL1029551 2005-07-18
NLNL1029551 2005-07-18
NLNL1029838 2005-08-31
NL1029838A NL1029838C2 (nl) 2005-08-31 2005-08-31 Aandrijving, alsmede transmissiemodule toepasbaar in de aandrijving.
NLNL1030342 2005-11-03
NL1030342 2005-11-03
NLNL1031526 2006-04-06
NL1031526 2006-04-06

Publications (1)

Publication Number Publication Date
WO2007011212A1 true WO2007011212A1 (fr) 2007-01-25

Family

ID=37045058

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2006/000373 Ceased WO2007011212A1 (fr) 2005-07-18 2006-07-18 Embrayage utilisable dans un système d’entraînement pour véhicule, et système d’entraînement pourvu de l’embrayage

Country Status (1)

Country Link
WO (1) WO2007011212A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010151113A1 (fr) * 2009-06-22 2010-12-29 Dti Group B.V. Module de transmission pour camion
EP2530356A2 (fr) 2011-05-30 2012-12-05 Aisin Seiki Kabushiki Kaisha Système de commande de véhicule
CN104314659A (zh) * 2014-10-21 2015-01-28 无锡华源凯马发动机有限公司 一种单缸水冷柴油机冷却水泵的布置结构

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1434261A (en) * 1973-11-17 1976-05-05 British Leyland Uk Ltd Clutch assemblies
WO1981002047A1 (fr) * 1980-01-17 1981-07-23 H Rowen Dispositif a embrayage auto-reglable
DE4402257A1 (de) * 1993-01-27 1994-07-28 Daikin Mfg Co Ltd Schwungradausbildung
DE19506157A1 (de) * 1994-02-25 1995-08-31 Daikin Mfg Co Ltd Schwungradeinheit mit flexibler, einen Dämpfungsmechanismus aufweisender Eingangsseite für einen Antriebsstrang
US5511446A (en) * 1991-09-04 1996-04-30 Kabushiki Kaisha Daikin Seisakusho Flywheel assembly
US5901825A (en) * 1996-07-10 1999-05-11 Exedy Corporation Modular clutch
DE10115454A1 (de) * 2001-01-25 2002-08-08 Zf Sachs Ag Mehrfach-Kupplungseinrichtung, ggf. in Kombination mit einer Torsionsschwingungsdämpferanordnung oder/und einer Elektromaschine
WO2003047898A1 (fr) * 2001-12-06 2003-06-12 Van Druten Roell Marie Systeme de transmission et procede de propulsion de vehicule

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1434261A (en) * 1973-11-17 1976-05-05 British Leyland Uk Ltd Clutch assemblies
WO1981002047A1 (fr) * 1980-01-17 1981-07-23 H Rowen Dispositif a embrayage auto-reglable
US5511446A (en) * 1991-09-04 1996-04-30 Kabushiki Kaisha Daikin Seisakusho Flywheel assembly
DE4402257A1 (de) * 1993-01-27 1994-07-28 Daikin Mfg Co Ltd Schwungradausbildung
DE19506157A1 (de) * 1994-02-25 1995-08-31 Daikin Mfg Co Ltd Schwungradeinheit mit flexibler, einen Dämpfungsmechanismus aufweisender Eingangsseite für einen Antriebsstrang
US5901825A (en) * 1996-07-10 1999-05-11 Exedy Corporation Modular clutch
DE10115454A1 (de) * 2001-01-25 2002-08-08 Zf Sachs Ag Mehrfach-Kupplungseinrichtung, ggf. in Kombination mit einer Torsionsschwingungsdämpferanordnung oder/und einer Elektromaschine
WO2003047898A1 (fr) * 2001-12-06 2003-06-12 Van Druten Roell Marie Systeme de transmission et procede de propulsion de vehicule

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010151113A1 (fr) * 2009-06-22 2010-12-29 Dti Group B.V. Module de transmission pour camion
CN102648363A (zh) * 2009-06-22 2012-08-22 Dti集团有限公司 卡车的变速器模块
US8882625B2 (en) 2009-06-22 2014-11-11 Dti Group, B.V. Transmission module for a lorry
CN102648363B (zh) * 2009-06-22 2016-01-20 Dti集团有限公司 卡车的变速器模块
EP2530356A2 (fr) 2011-05-30 2012-12-05 Aisin Seiki Kabushiki Kaisha Système de commande de véhicule
US8635923B2 (en) 2011-05-30 2014-01-28 Aisin Seiki Kabushiki Kaisha Vehicle drive system
CN104314659A (zh) * 2014-10-21 2015-01-28 无锡华源凯马发动机有限公司 一种单缸水冷柴油机冷却水泵的布置结构
CN104314659B (zh) * 2014-10-21 2016-08-31 无锡华源凯马发动机有限公司 一种单缸水冷柴油机冷却水泵的布置结构

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