WO2011142252A1 - Dispositif d'embrayage - Google Patents

Dispositif d'embrayage Download PDF

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Publication number
WO2011142252A1
WO2011142252A1 PCT/JP2011/060126 JP2011060126W WO2011142252A1 WO 2011142252 A1 WO2011142252 A1 WO 2011142252A1 JP 2011060126 W JP2011060126 W JP 2011060126W WO 2011142252 A1 WO2011142252 A1 WO 2011142252A1
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WO
WIPO (PCT)
Prior art keywords
input shaft
shaft
support member
clutch
input
Prior art date
Application number
PCT/JP2011/060126
Other languages
English (en)
Japanese (ja)
Inventor
田中　哲
雄亮 冨田
Original Assignee
株式会社エクセディ
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 株式会社エクセディ filed Critical 株式会社エクセディ
Priority to CN201180022745.2A priority Critical patent/CN102884331B/zh
Priority to DE112011101639T priority patent/DE112011101639T5/de
Publication of WO2011142252A1 publication Critical patent/WO2011142252A1/fr

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    • 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
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • 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

Definitions

  • the present invention relates to a clutch device for transmitting power from a power source such as an engine or a motor to a transmission having a first input shaft and a second input shaft.
  • An automatic transmission is known as a means for automatically shifting a vehicle.
  • a combination of a torque converter, a plurality of planetary gears, and a clutch has become mainstream.
  • an AT for example, a torque converter transmits power via a fluid
  • the power transmission efficiency is lower than that of a manual transmission (MT) that mechanically directly connects the input side and the output side to transmit torque.
  • MT manual transmission
  • the AT has an advantage that the labor of the driver is reduced, but has a disadvantage that the fuel consumption of the vehicle is reduced.
  • an automatic transmission (AMT) has been proposed that aims to eliminate the need for clutch operation while ensuring MT transmission efficiency (see, for example, Patent Document 1).
  • the MT clutch operation and the transmission shift operation can be automated, and the clutch operation can be made unnecessary while ensuring the same transmission efficiency as the conventional MT.
  • the clutch device described in Patent Document 1 mainly includes a cover member including a pair of flywheels, a pair of pressure plates disposed between the pair of flywheels, and a pair of pressure plates that are pressed by the pair of pressure plates, respectively. Has a clutch disk.
  • Such a dual type clutch device transmits power from the engine to the transmission via a shaft for transmitting power to the transmission.
  • the shaft for transmitting power to the transmission is composed of an inner shaft and an outer shaft.
  • the clutch device in a state where the clutch device is mainly supported by the inner shaft, the power from the engine is transmitted to the transmission by rotating around the same axis with the two shafts.
  • the conventional dual type clutch device has its own weight mainly supported by the inner shaft.
  • thrust force is also transmitted to the inner shaft in addition to its own weight.
  • the inner shaft has to have a small shaft diameter due to the configuration, if the inner shaft rotates with the inner shaft supporting the own weight and thrust force of the clutch device, resonance or the like occurs during this rotation. There was a risk of it.
  • the present invention has been made in view of such problems, and an object of the present invention is to provide a clutch device capable of stably transmitting power from an engine to a transmission.
  • the clutch device according to claim 1 is a clutch device for transmitting power from an engine to a transmission having a first input shaft and a second input shaft having a diameter larger than that of the first input shaft.
  • the clutch device includes an input rotator, a first pressure plate, a second pressure plate, a first clutch disk assembly, a second clutch disk assembly, a rotation support mechanism, a support mechanism, and a shaft movement restriction.
  • the input rotator includes a first disk part and a second disk part arranged with a space from the first disk part.
  • the rotation support mechanism is provided between the second input shaft and the input rotator, and supports the input rotator so as to be rotatable with respect to the first input shaft and the second input shaft.
  • the first pressure plate is disposed in the input rotating body, and is disposed so as to be integrally rotatable with respect to the first disk portion and movable in the axial direction.
  • the second pressure plate is disposed in the input rotating body, and is disposed so as to be integrally rotatable with respect to the second disk portion and movable in the axial direction.
  • the first clutch disc assembly has a first friction portion disposed between the first disc portion and the first pressure plate.
  • the second clutch disk assembly has a second friction portion disposed between the second disc portion and the second pressure plate.
  • the support mechanism includes a first support member that connects and supports the first clutch disk assembly to the first input shaft, and a positioning member that positions the first support member on the first input shaft.
  • the shaft movement restriction mechanism includes a second support member that connects and supports the rotation support mechanism and the second clutch disk assembly to the second input shaft, and a shaft movement restriction member that restricts the movement of the rotation support mechanism toward the engine. have.
  • the power of the engine is moved through the first clutch disk assembly and the support mechanism by moving the first pressure plate in the direction of the first disk portion. It is transmitted from the plate portion to the first input shaft.
  • the power of the engine is transferred to the second disk part via the second clutch disk assembly by moving the second pressure plate in the direction of the second disk part. To the second input shaft.
  • the reaction force for pressing the first pressure plate or the second pressure plate is used. Thrust force is generated.
  • This thrust force is input to the rotation support mechanism in which the shaft movement to the engine side is restricted, and is transmitted to the second input shaft.
  • the shaft movement restricting mechanism restricts the shaft movement of the rotation support mechanism to the engine side, this thrust force is transmitted to the second input shaft via the shaft movement restricting mechanism. Is done.
  • the thrust force generated when power is transmitted from the engine to the transmission can be transmitted to the second input shaft having a larger diameter than the first input shaft by the shaft movement restricting mechanism.
  • the thrust force can be received by the second input shaft having higher rigidity than the first input shaft, so that power can be stably transmitted from the engine to the transmission.
  • the first clutch disc assembly is positioned on the engine side with respect to the second clutch disc assembly. Therefore, the positioning that restricts the movement of the clutch device in the axial direction has to be performed on the front end side of the first input shaft that projects the inner peripheral portion of the first clutch disk assembly to the engine side. That is, in the conventional configuration, although the thrust force can be transmitted to the first input shaft, it cannot be transmitted to the second input shaft.
  • the first clutch disk set is moved by the first support member and the positioning member of the support mechanism. A solid can be positioned on the first input shaft.
  • the present invention has a configuration capable of transmitting the thrust force to the second input shaft and a configuration in which the clutch device can be easily mounted on the first input shaft and the second input shaft.
  • the shaft movement restricting member sandwiches the second support member between the stepped portion formed on the second input shaft, The shaft movement of the second support member toward the engine is restricted.
  • the shaft movement of the second support member toward the engine is restricted by sandwiching the second support member between the shaft movement restricting member and the stepped portion of the second input shaft.
  • the thrust force input to the rotation support mechanism can be reliably transmitted to the second input shaft having higher rigidity than the first input shaft. That is, power can be stably transmitted from the engine to the transmission.
  • the first support member has a mounting hole through which the first input shaft can be inserted.
  • Spline shafts are formed on the outer peripheral side of the first input shaft and the outer peripheral side of the first support member.
  • Spline grooves are formed on the inner peripheral side of the first clutch disk assembly and the inner peripheral side of the first support member.
  • the spline groove on the inner peripheral side of the first support member is fitted to the spline shaft on the outer peripheral side of the first input shaft, and the first support member is inserted in the spline groove on the inner peripheral side of the first clutch disc assembly.
  • the outer peripheral side spline shaft is fitted.
  • the first support member is mounted so as not to rotate with respect to the first input shaft between the first clutch disk assembly and the first input shaft.
  • the spline groove on the inner peripheral side of the first support member is fitted to the spline shaft on the outer peripheral side of the first input shaft, and the first support member is inserted into the spline groove on the inner peripheral side of the first clutch disk assembly.
  • the first support member is non-rotatably mounted on the first input shaft between the first clutch disk assembly and the first input shaft by fitting the outer peripheral side spline shaft.
  • the positioning member clamps the first support member between the stepped portion formed on the first input shaft.
  • the first support member is positioned with respect to the first input shaft.
  • the positioning member holds the first support member between the stepped portion formed on the first input shaft, the first support member is separate from the first clutch disk assembly. Also, the first support member is reliably positioned with respect to the first input shaft. Thus, power from the engine can be reliably transmitted from the first clutch disk assembly to the first input shaft.
  • a male screw portion is formed on an outer peripheral portion of the first input shaft.
  • the positioning member is a fastening member having an internal thread portion on the inner peripheral surface.
  • the first support member is positioned on the first input shaft by screwing the female screw portion of the fastening member into the male screw portion of the first input shaft.
  • the first support member in a state where the first support member is mounted on the first input shaft, the first support member is engaged with the first input shaft by screwing the female screw portion of the fastening member with the male screw portion of the first input shaft. Positioned.
  • power from the engine can be reliably transmitted from the first clutch disk assembly to the first input shaft.
  • a concave portion is formed on the outer peripheral portion of the first input shaft between the tip portion and the male screw portion.
  • the tightening member is formed with a protruding portion for preventing loosening. The rotation of the tightening member relative to the first input shaft is restricted by fitting the protruding portion of the tightening member into the recess of the first input shaft.
  • an annular groove is formed in the outer peripheral portion of the first input shaft.
  • the first support member is positioned on the first input shaft by fitting the second positioning member into the groove of the first input shaft.
  • the first support member in a state where the first support member is mounted on the first input shaft, the first support member is positioned on the first input shaft by fitting the second positioning member into the groove portion of the first input shaft.
  • power from the engine can be reliably transmitted from the first clutch disk assembly to the first input shaft.
  • the shaft movement restricting mechanism can transmit the thrust force generated when power is transmitted from the engine to the transmission to the second input shaft having a larger diameter than the first input shaft.
  • the thrust force can be received by the second input shaft having higher rigidity than the first input shaft, so that power can be stably transmitted from the engine to the transmission.
  • the movement of the rotation support mechanism to the engine side is restricted by the shaft movement restriction mechanism of the second clutch disk assembly, and then the first clutch disk assembly is moved by the first support member and the positioning member of the support mechanism.
  • a solid can be positioned on the first input shaft.
  • the present invention has a configuration capable of transmitting the thrust force to the second input shaft and a configuration in which the clutch device can be easily mounted on the first input shaft and the second input shaft.
  • the clutch device 1 is a device for transmitting power from an engine to a first input shaft 91 and a second input shaft 92 of a transmission.
  • a of the drive mechanism 7 C1 is configured.
  • the input clutch 10, the second pressure plate 49, the second clutch disk assembly 6, the second rotation support mechanism 111 of the rotation support mechanism 11, and the second drive mechanism 7B of the drive mechanism 7 constitute a second clutch C2. Yes.
  • the first clutch C1 and the second clutch C2 are so-called normal open type clutches.
  • the first clutch C1 transmits power at the first speed, the third speed, and the fifth speed, and the second clutch C2 transmits power at the second speed and the fourth speed.
  • the first input shaft 91 is formed with a stepped portion 91a, a male threaded portion 91b, a spline shaft 91c, and a locking recess 91d.
  • the spline shaft 91 c is formed in the axial direction on the outer peripheral surface of the first input shaft 91.
  • the step portion 91a is formed on the outer periphery of the spline shaft 91c on the transmission side of the spline shaft 91c.
  • the male screw portion 91 b is formed on the outer peripheral surface on the distal end side of the first input shaft 91.
  • the male thread portion 91b is formed on the outer peripheral surface of the spline shaft 91c on the engine side of the spline shaft 91c.
  • the locking recess 91 d is formed at the tip of the first input shaft 91.
  • a spline shaft 92b, a groove portion 92a, and a stepped portion 92c are formed on the outer peripheral surface on the distal end side of the second input shaft 92.
  • the spline shaft 92 b is formed in the axial direction on the outer peripheral surface of the second input shaft 92.
  • the groove 92a is formed on the outer periphery of the spline shaft 92b on the engine side of the spline shaft 92b.
  • the step portion 92c is formed on the outer periphery of the spline shaft 92b on the transmission side of the spline shaft 92b.
  • the input rotator 10 is a member to which power is transmitted from the engine, and is connected to the crankshaft 99 via the flexible plate 93.
  • the inner peripheral portion of the flexible plate 93 is fixed to the crankshaft 99 by bolts, and the outer peripheral portion of the flexible plate 93 is fixed to the input rotating body 10 by bolts (not shown).
  • a bearing is fixed to the inner periphery of the crankshaft 99, and the tip of the first input shaft 91 is rotatably supported by this bearing.
  • the input rotator 10 mainly includes a first flywheel 3 (first disc portion), a second flywheel 4 (second disc portion), and an intermediate plate 38.
  • the intermediate plate 38 is sandwiched between the first flywheel 3 and the second flywheel 4, and can rotate integrally with the first flywheel 3 and the second flywheel 4.
  • a first pressure plate 39 which will be described later, is integrally rotatable with the intermediate plate 38 and elastically connected in the axial direction via a first strap plate (not shown).
  • a second pressure plate 49 which will be described later, is integrally rotatable with the intermediate plate 38 and elastically connected in the axial direction via a second strap plate (not shown).
  • the first pressure plate 39 is disposed in the input rotator 10 and is disposed so as to be able to rotate integrally with the first flywheel 3 and move in the axial direction.
  • the first pressure plate 39 is disposed so as to face the first flywheel 3 in the axial direction.
  • the first pressure plate 39 is formed with a first support portion 39a protruding outward in the radial direction.
  • the 1st support part 39a is arrange
  • the first pressure plate 39 is provided with a first protrusion (not shown) at a position different from the first support portion 39a with a predetermined interval in the circumferential direction.
  • the first strap plate is fixed to the first pressure plate 39.
  • Second Pressure Plate The second pressure plate 49 is disposed in the input rotary body 10 and is disposed so as to be capable of rotating integrally with the second flywheel 4 and moving in the axial direction.
  • the second pressure plate 49 is disposed so as to face the second flywheel 4 in the axial direction.
  • the second pressure plate 49 is formed with a second support portion 49a that protrudes radially outward.
  • the second support portions 49a are arranged at a predetermined interval in the circumferential direction.
  • the second pressure plate 49 is connected to the second drive support member 79 of the second drive mechanism 7B.
  • the second pressure plate 49 is provided with second projecting portions (not shown) at a position different from the second support portion 49a with a predetermined interval in the circumferential direction.
  • the second strap plate is fixed to the second pressure plate 49.
  • First clutch disk assembly The first clutch disk assembly 5 is an assembly for transmitting power from the input rotating body 10 to the first input shaft 91, and is provided via the support mechanism 13, for example, the first support member 35. One input shaft 91 is connected.
  • the first clutch disk assembly 5 includes a first friction part 57, a first input member 52, a first hub 51, and a plurality of first springs 55.
  • the first friction portion 57 is disposed between the first flywheel 3 and the first pressure plate 39 in the axial direction.
  • the first friction part 57 is slidably provided on the input rotating body 10 and the first pressure plate 39.
  • the first input member 52 is a member to which power is transmitted from the first friction part 57, and is connected to the first friction part 57.
  • a spline groove for connecting to the support mechanism 13 is formed on the inner peripheral surface of the first hub 51.
  • the first hub 51 is connected to the first input shaft 91 via the first support member 35.
  • the first spring 55 is supported by the first input member 52 so as to be elastically deformable, and elastically connects the first input member 52 and the first hub 51 in the rotational direction.
  • the second clutch disc assembly 6 is an assembly for transmitting power from the input rotating body 10 to the second input shaft 92, and is connected to the second input shaft 92.
  • the second clutch disk assembly 6 includes a second friction portion 67, a second input member 62, a second hub 61, and a plurality of second springs 65.
  • the second friction portion 67 is disposed between the second flywheel 4 and the second pressure plate 49 in the axial direction.
  • the second friction part 67 is slidably provided on the input rotating body 10 and the second pressure plate 49.
  • the second input member 62 is a member to which power is transmitted from the second friction portion 67 and is connected to the second friction portion 67.
  • a spline groove for connecting to the shaft movement restricting mechanism 12 is formed on the inner peripheral surface of the second hub 61.
  • the second hub 61 is connected to the second input shaft 92 via the shaft movement restriction mechanism 12.
  • the second spring 65 is supported by the second input member 62 so as to be elastically deformable, and elastically connects the second input member 62 and the second hub 61 in the rotational direction.
  • Drive mechanism The drive mechanism 7 includes a first drive mechanism 7A and a second drive mechanism 7B.
  • the first drive mechanism 7 ⁇ / b> A is a mechanism for operating power transmission of the first clutch C ⁇ b> 1, and transmits an axial pressing force to the first pressure plate 39.
  • the first drive mechanism 7A includes a first drive support member 78 supported by the input rotator 10 and a first drive support member 78 that moves toward the first flywheel 3 with respect to the input rotator 10.
  • the first driving force transmitting portion 71 that transmits the driving force to the driving support member 78 is provided.
  • the second drive mechanism 7 ⁇ / b> B is a mechanism for operating the power transmission of the second clutch C ⁇ b> 2 and transmits an axial pressing force to the second pressure plate 49.
  • the second drive mechanism 7B includes a second drive support member 79 supported by the input rotator 10, and a second drive mechanism 79 so that the second drive support member 79 moves toward the second flywheel 4 with respect to the input rotator 10.
  • the rotation support mechanism 11 includes a first rotation support mechanism 211 and a second rotation support mechanism 111.
  • the first rotation support mechanism 211 is provided between the first input shaft 91 and the input rotator 10 and supports the input rotator 10 so as to be rotatable with respect to the first input shaft 91.
  • the first rotation support mechanism 211 has a first bearing 34.
  • the first bearing 34 is disposed between the first flywheel 3 and the first input shaft 91, and supports the first flywheel 3 to be rotatable with respect to the first input shaft 91.
  • the first bearing 34 is disposed between the first flywheel 3 and the support mechanism 13, and supports the first flywheel 3 so as to be rotatable with respect to the first input shaft 91.
  • the second rotation support mechanism 111 is provided between the second input shaft 92 and the input rotator 10, and supports the input rotator 10 to be rotatable with respect to the second input shaft 92.
  • the second rotation support mechanism 111 has a second bearing 44.
  • the second bearing 44 is disposed between the second flywheel 4 and the second input shaft 92, and supports the second flywheel 4 to be rotatable with respect to the second input shaft 92.
  • the second bearing 44 is disposed between the second flywheel 4 and the shaft movement restriction mechanism 12, and supports the second flywheel 4 to be rotatable with respect to the second input shaft 92. ing.
  • the second bearing 44 is attached to the second flywheel 4.
  • the second bearing 44 is pressed into the transmission side with respect to the second flywheel 4 so that the second bearing 44 becomes the second flywheel. 4 is attached. Further, the second bearing 44 is in contact with the transmission-side end of the spline shaft of the second support member 45, that is, the mechanism restricting portion 45b, so that the movement of the second rotation support mechanism 111 toward the engine is restricted. .
  • Axis Movement Restricting Mechanism The shaft movement restricting mechanism 12 is provided between the second input shaft 92 and the rotation support mechanism 11 such as the second rotation support mechanism 111 so as not to rotate with respect to the second input shaft 92. The shaft movement of the rotation support mechanism 111 toward the engine is restricted.
  • the shaft movement restriction mechanism 12 includes a second support member 45 and a shaft movement restriction member 46.
  • the second support member 45 supports the second rotation support mechanism 111 between the second input shaft 92 and the second rotation support mechanism 111.
  • the second support member 45 supports the second clutch disk assembly 6 between the second input shaft 92 and the second clutch disk assembly 6.
  • a shaft movement restricting member for example, a snap ring 46 for the second input shaft restricts the shaft movement of the second support member 45 toward the engine.
  • the snap ring 46 for the second input shaft is engaged with the second support member 45 and the second input shaft 92 on the engine side of the second support member 45, and the engine side of the second support member 45.
  • the axis movement to is regulated.
  • the snap ring 46 is fitted into the groove portion 92 a of the second input shaft 92 in a state where the snap ring 46 is in contact with the engine-side wall portion of the second support member 45. Accordingly, the second support member 45 is sandwiched between the snap ring 46 and the stepped portion 92c of the second input shaft 92, and the axial movement of the second support member 45 toward the engine is restricted.
  • the second support member 45 is formed in a cylindrical shape.
  • the second support member 45 includes a second disk support portion 45 c that supports the second clutch disk assembly 6, a second rotation support portion 45 a that supports the second rotation support mechanism 111, and an engine of the second rotation support mechanism 111. And a mechanism restricting portion 45b that restricts movement to the side.
  • a spline shaft is formed on the outer peripheral surface of the second support member 45 on the engine side, and this spline shaft corresponds to the second disk support portion 45c.
  • the second rotation support portion 45a is formed on the outer peripheral surface of the second support member 45 on the transmission side, and the second rotation support mechanism 111 can be attached thereto.
  • the mechanism restricting portion 45b is formed at the end of the spline shaft on the transmission side.
  • a spline groove is formed on the inner peripheral surface of the second support member 45 in the axial direction.
  • the second support member 45 is The two input shafts 92 are mounted so as not to rotate.
  • Support mechanism The support mechanism 13 includes a first support member 35 and a positioning member 95.
  • the first support member 35 has a mounting hole through which the first input shaft can be inserted, and a spline groove is formed on the inner peripheral surface of the mounting hole.
  • the first support member 35 cannot rotate with respect to the first input shaft 91 by fitting the spline groove of the first support member 35 to the spline shaft formed on the outer peripheral surface of the first input shaft 91. It is attached to.
  • the first support member 35 includes a first disk support portion 35a that supports the first clutch disk assembly 5, and a second rotation support portion 35b that supports the first rotation support mechanism 211.
  • a spline shaft is formed on the outer peripheral surface of the first support member 35 on the transmission side, and this spline shaft corresponds to the first disk support portion 35a.
  • the first rotation support portion 35 b is formed on the outer peripheral surface of the first support member 35 on the engine side, and the first rotation support mechanism 211 can be attached thereto.
  • the positioning member 95 is a fastening member such as a nut having an internal thread portion on the inner peripheral surface.
  • the nut 95 is formed with a protruding portion 95a protruding outward.
  • the first support member 35 is clamped between the nut 95 and the stepped portion 91a of the first input shaft 92 by screwing the nut 95 into the male thread portion 91b of the first input shaft via a washer. And positioned on the first input shaft 92. Then, in a state where the nut 95 is tightened, the protruding portion 95a of the nut 95 is bent and fitted into the loosening prevention recess 91d of the first input shaft.
  • the snap ring 46 for the second input shaft which is a shaft movement restricting member, is mounted in an annular groove 92 a formed on the outer peripheral surface of the second input shaft 92.
  • the first support member 35 is connected to the step portion 91a of the nut 95 and the first input shaft 91. Is positioned on the first input shaft 91. Then, in a state in which the nut 95 is tightened, the protruding portion 95 a of the nut 95 is bent and fitted into the loosening prevention concave portion 91 d of the first input shaft 91. Thereby, rotation of the nut 95 with respect to the first input shaft 91 is restricted, and loosening of the nut 95 fastened and attached to the first input shaft 91 can be prevented.
  • the clutch apparatus 1 is assembled
  • the operation of the clutch device 1 will be described.
  • the state shown in FIG. 1 is a state in which no pressing force is applied to the first clutch C1 and the second clutch C2 by the drive mechanism 7, and no power is transmitted by the first clutch C1 and the second clutch C2. It is.
  • the first pressure plate 39 is held at the axial position shown in FIG. 1
  • the second pressure plate 49 is also held at the axial position shown in FIG.
  • the input rotator 10 when power is transmitted from the engine to the input rotator 10, the input rotator 10, the first pressure plate 39, the second pressure plate 49, and the drive mechanism 7 rotate integrally.
  • the first input shaft 91 supports the first bearing 34 via the support member 35, and the first bearing 34 supports the first flywheel 3 in a rotatable manner. Further, the second input shaft 92 supports the second bearing 44 via the shaft movement restricting mechanism 12, and the second bearing 44 supports the second flywheel 4 so as to be rotatable. Thereby, the rotation of the input rotating body 10 is stabilized.
  • the first input shaft 91 side of the transmission is switched to the first speed, and the first drive mechanism 7A is pushed to the engine side by the first actuator (not shown). Then, the first drive support member 78 and the first pressure plate 39 move to the engine side. As a result, the first friction portion 57 of the first clutch disc assembly 5 is sandwiched between the first pressure plate 39 and the first flywheel 3, and the first clutch disc assembly 5 is interposed via the first clutch disc assembly 5 and the support mechanism 13. Power is transmitted to one input shaft 91. By these operations, the vehicle starts to start at the first speed.
  • the second input shaft 92 side of the transmission is switched to the second speed.
  • the second clutch C2 is switched to the connected state almost simultaneously with the release of the first clutch C1. Specifically, the driving force applied to the first driving mechanism 7A is released. Then, the state of the first drive mechanism 7A returns to the state shown in FIG. 1, and the power transmission via the first clutch C1 is released.
  • the first input shaft 91 side of the transmission is switched to the third speed.
  • the first clutch C1 is switched to the connected state almost simultaneously with the release of the second clutch C2. Specifically, the driving force applied to the second drive mechanism 7B is released. Then, the state of the second drive mechanism 7B returns to the state shown in FIG. 1, and the power transmission via the second clutch C2 is released.
  • the clutch device 1 when traveling at an odd speed, power is transmitted from the engine to the first input shaft 91 in which an odd number of gears is set. Further, when switching from odd speed to even speed during traveling, even gears are set on the second input shaft 92 in a state where power is transmitted from the engine to the first input shaft 91.
  • the second clutch C2 is switched to the connected state almost simultaneously with the release of the first clutch C1
  • power is transmitted from the engine to the second input shaft 92 in which an even number of gears is set.
  • an odd number of gears is set on the first input shaft 91 in a state where power is transmitted from the engine to the second input shaft 92.
  • the first clutch C1 is switched to the connected state almost simultaneously with the release of the second clutch C2
  • power is transmitted from the engine to the first input shaft 91 in which an odd number of gears is set.
  • the shaft movement restricting mechanism 12 includes a second support member 45 and a snap ring 46 for the second input shaft.
  • the second support member 45 supports the second rotation support mechanism 111 between the second input shaft 92 and the second rotation support mechanism 111.
  • the second input shaft snap ring 46 is brought into contact with the engine-side wall portion of the second support member 45 and fitted into the groove portion 92a of the second input shaft 92, whereby the second support shaft 45 is engaged.
  • the shaft movement of the member 45 toward the engine is restricted. In this way, the shaft movement restricting mechanism 12 is restricted between the second input shaft 92 and the second rotation support mechanism 111 from moving toward the engine side of the second rotation support mechanism 111.
  • the shaft movement of the second rotation support mechanism 111 relative to the second input shaft 92 toward the engine is restricted by the shaft movement restriction mechanism 12, so that power is transmitted from the engine to the transmission.
  • a thrust force generated during transmission can be transmitted to the second input shaft 92 having a larger diameter than the first input shaft 91. That is, in the present clutch device 1, the thrust force generated in the clutch device 1 can be received by the second input shaft 92 having higher rigidity than the first input shaft 91, so that power is stably transmitted from the engine to the transmission. can do.
  • the thrust force can be transmitted to the second input shaft 92, and the clutch device 1 can be easily mounted on the first input shaft 91 and the second input shaft 92 as described above. it can. Thereby, the assembly efficiency of the clutch apparatus 1 can be improved significantly.
  • the clutch device 101 is a device for transmitting power from the engine to the first input shaft 91 and the second input shaft 92 of the transmission.
  • a of the drive mechanism 7 C1 is configured.
  • the input clutch 10, the second pressure plate 49, the second clutch disk assembly 6, the second rotation support mechanism 111 of the rotation support mechanism 11, and the second drive mechanism 7B of the drive mechanism 7 constitute a second clutch C2. Yes.
  • the first clutch C1 and the second clutch C2 are so-called normal open type clutches.
  • the first clutch C1 transmits power at the first speed, the third speed, and the fifth speed, and the second clutch C2 transmits power at the second speed and the fourth speed.
  • the first input shaft 91 is formed with a step portion 91a, an annular groove 91b, and a spline shaft 91c.
  • the spline shaft 91 c is formed in the axial direction on the outer peripheral surface of the first input shaft 91.
  • the step portion 91a is formed on the outer periphery of the spline shaft 91c on the transmission side of the spline shaft 91c.
  • the annular groove 91b is formed on the outer periphery on the engine side of the spline shaft 91c.
  • a spline shaft 92b, a groove portion 92a, and a step portion 92c are formed on the outer peripheral surface on the distal end side of the second input shaft 92.
  • the spline shaft 92 b is formed in the axial direction on the outer peripheral surface of the second input shaft 92.
  • the groove 92a is formed on the outer periphery on the engine side of the spline shaft 92b.
  • the step portion 92c is formed on the outer periphery of the spline shaft 92b on the transmission side of the spline shaft 92b.
  • Input Rotator 10 is a member to which power is transmitted from the engine, and is connected to the crankshaft 99.
  • a bearing is fixed to the inner peripheral portion of the crankshaft 99, and the tip of the first input shaft 91 is rotatably supported by the crankshaft 99 by this bearing.
  • the input rotator 10 mainly includes a first flywheel 3 (first disc portion), a second flywheel 4 (second disc portion), an intermediate plate 38, and a damper mechanism 15. ing.
  • the intermediate plate 38 is sandwiched between the first flywheel 3 and the second flywheel 4, and can rotate integrally with the first flywheel 3 and the second flywheel 4.
  • the first pressure plate 39 is integrally rotatable with the intermediate plate 38 and elastically connected in the axial direction via a first strap plate (not shown).
  • the second pressure plate 49 is integrally rotatable with the intermediate plate 38 and elastically connected in the axial direction via a second strap plate (not shown).
  • the damper mechanism 15 is a mechanism for absorbing engine-side rotation fluctuation, for example, torque fluctuation.
  • the damper mechanism 15 is mounted on the outer peripheral portion of the first flywheel 3 so as to be integrally rotatable via a bolt.
  • the damper mechanism 15 includes a torque input member 15a, a plurality of springs 55, and a torque output member 15b.
  • the torque input member 15a is a member that transmits torque from the engine.
  • the spring 55 is supported between the torque input member 15a and the torque output member 15b so as to be elastically deformable.
  • the torque output member 15b is engaged with a plurality of springs 55, and is attached to the first flywheel 3 at the outer peripheral portion of the first flywheel 3 so as to be integrally rotatable via bolts.
  • the inner peripheral portion of the torque input member 15a is fixed to the crankshaft 99 with bolts, and the torque input member 15a and the torque output member 15b hold the plurality of springs 55 at predetermined intervals in the rotation direction.
  • a bearing is fixed to the inner peripheral portion of the crankshaft 99 to which the torque input member 15a is fixed, and the tip of the first input shaft 91 is rotatably supported with respect to the crankshaft 99 by this bearing.
  • First Pressure Plate The first pressure plate 39 is disposed in the input rotator 10 and is disposed so as to be able to rotate integrally with the first flywheel 3 and move in the axial direction.
  • the first pressure plate 39 is disposed so as to face the first flywheel 3 in the axial direction.
  • the first pressure plate 39 is formed with a first support portion 39a protruding outward in the radial direction.
  • the 1st support part 39a is arrange
  • the first pressure plate 39 is connected to a first drive support member 78 (not shown) of the first drive mechanism 7A.
  • the first pressure plate 39 is provided with a first protrusion (not shown) at a position different from the first support portion 39a with a predetermined interval in the circumferential direction. In the first protrusion, the first strap plate is fixed to the first pressure plate 39.
  • the second pressure plate 49 is disposed in the input rotary body 10 and is disposed so as to be capable of rotating integrally with the second flywheel 4 and moving in the axial direction.
  • the second pressure plate 49 is disposed so as to face the second flywheel 4 in the axial direction.
  • the second pressure plate 49 is formed with a second support portion 49a that protrudes radially outward.
  • the second support portions 49a are arranged at a predetermined interval in the circumferential direction.
  • the second pressure plate 49 is connected to a second drive support member 79 (not shown) of the second drive mechanism 7B.
  • the second pressure plate 49 is provided with second projecting portions (not shown) at a position different from the second support portion 49a with a predetermined interval in the circumferential direction.
  • the first clutch disk assembly 5 is an assembly for transmitting power from the input rotating body 10 to the first input shaft 91, and is provided via the support mechanism 13, for example, the first support member 35. One input shaft 91 is connected.
  • the first clutch disk assembly 5 includes a first friction part 57, a first input member 52, and a first hub 51.
  • the first friction portion 57 is disposed between the first flywheel 3 and the first pressure plate 39 in the axial direction.
  • the first friction part 57 is slidably provided on the input rotating body 10 and the first pressure plate 39.
  • the first input member 52 is a member to which power is transmitted from the first friction part 57, and is connected to the first friction part 57.
  • a spline groove for connecting to the support mechanism 13 is formed on the inner peripheral surface of the first hub 51.
  • the first hub 51 is connected to the first input shaft 91 via the first support member 35.
  • Second Clutch Disc Assembly The second clutch disc assembly 6 is an assembly for transmitting power from the input rotating body 10 to the second input shaft 92, and is connected to the second input shaft 92.
  • the second clutch disk assembly 6 includes a second friction part 67, a second input member 62, and a second hub 61.
  • the second friction portion 67 is disposed between the second flywheel 4 and the second pressure plate 49 in the axial direction.
  • the second friction part 67 is slidably provided on the input rotating body 10 and the second pressure plate 49.
  • the second input member 62 is a member to which power is transmitted from the second friction portion 67 and is connected to the second friction portion 67.
  • a spline groove for connecting to the shaft movement restricting mechanism 12 is formed on the inner peripheral surface of the second hub 61.
  • the second hub 61 is connected to the second input shaft 92 via the shaft movement restriction mechanism 12.
  • Drive mechanism The drive mechanism 7 includes a first drive mechanism 7A and a second drive mechanism 7B.
  • the first drive mechanism 7 ⁇ / b> A is a mechanism for operating power transmission of the first clutch C ⁇ b> 1, and transmits an axial pressing force to the first pressure plate 39.
  • the first drive mechanism 7A includes a first drive support member 78 (not shown) supported by the input rotator 10, and the first drive support member 78 moves toward the first flywheel 3 with respect to the input rotator 10.
  • the first driving force transmitting portion 71 that transmits the driving force to the first driving support member 78 is provided.
  • the second drive mechanism 7 ⁇ / b> B is a mechanism for operating the power transmission of the second clutch C ⁇ b> 2 and transmits an axial pressing force to the second pressure plate 49.
  • the second drive mechanism 7B includes a second drive support member 79 (not shown) supported by the input rotator 10, and the second drive support member 79 moves toward the second flywheel 4 with respect to the input rotator 10.
  • the rotation support mechanism 11 includes a first rotation support mechanism 211 and a second rotation support mechanism 111.
  • the first rotation support mechanism 211 is provided between the first input shaft 91 and the input rotator 10 and supports the input rotator 10 so as to be rotatable with respect to the first input shaft 91.
  • the first rotation support mechanism 211 has a first bearing 34.
  • the first bearing 34 is disposed between the first flywheel 3 and the first input shaft 91, and supports the first flywheel 3 to be rotatable with respect to the first input shaft 91.
  • the first bearing 34 is disposed between the first flywheel 3 and the support mechanism 13, and supports the first flywheel 3 to be rotatable with respect to the first input shaft 91.
  • the second rotation support mechanism 111 is provided between the second input shaft 92 and the input rotator 10, and supports the input rotator 10 to be rotatable with respect to the second input shaft 92.
  • the second rotation support mechanism 111 has a second bearing 44.
  • the second bearing 44 is disposed between the second flywheel 4 and the second input shaft 92, and supports the second flywheel 4 to be rotatable with respect to the second input shaft 92.
  • the second bearing 44 is disposed between the second flywheel 4 and the shaft movement restriction mechanism 12, and supports the second flywheel 4 to be rotatable with respect to the second input shaft 92. ing.
  • the second bearing 44 is engaged with an engaging portion 4 a formed on the second flywheel 4 and is held between the engaging portion 4 a of the second flywheel 4 and the shaft movement restricting mechanism 12. Yes.
  • the second bearing 44 is in contact with the mechanism restricting portion 45b of the second support member 45, whereby the movement of the second rotation support mechanism 111 toward the engine is restricted.
  • Axis Movement Restricting Mechanism The shaft movement restricting mechanism 12 is provided between the second input shaft 92 and the rotation support mechanism 11 such as the second rotation support mechanism 111 so as not to rotate with respect to the second input shaft 92.
  • the shaft movement of the rotation support mechanism 111 toward the engine is restricted.
  • the shaft movement restriction mechanism 12 includes a second support member 45 and a shaft movement restriction member 46.
  • the second support member 45 supports the second rotation support mechanism 111 between the second input shaft 92 and the second rotation support mechanism 111.
  • the second support member 45 supports the second clutch disk assembly 6 between the second input shaft 92 and the second clutch disk assembly 6.
  • a shaft movement restricting member for example, a snap ring 46 for the second input shaft restricts the shaft movement of the second support member 45 toward the engine.
  • the snap ring 46 for the second input shaft is engaged with the second support member 45 and the second input shaft 92 on the engine side of the second support member 45, and the engine side of the second support member 45.
  • the axis movement to is regulated.
  • the snap ring 46 is fitted into the groove portion 92 a of the second input shaft 92 in a state where the snap ring 46 is in contact with the engine-side wall portion of the second support member 45. Accordingly, the second support member 45 is sandwiched between the snap ring 46 and the stepped portion 92c of the second input shaft 92, and the axial movement of the second support member 45 toward the engine is restricted.
  • the second support member 45 is formed in a cylindrical shape.
  • the second support member 45 includes a second rotation support portion 45a that supports the second rotation support mechanism 111, a mechanism restriction portion 45b that restricts the movement of the second rotation support mechanism 111 toward the engine, and a second clutch disk set.
  • the second rotation support portion 45 a is a portion disposed between the second bearing 44 and the second input shaft 92.
  • the 2nd rotation support part 45a is formed in the cylinder shape, and can mount
  • the mechanism restricting portion 45b is a portion that extends in an annular shape radially outward on the engine side of the second rotation support portion 45a.
  • the engine restricting surface of the second bearing 44 contacts the mechanism restricting portion 45b.
  • the second disk support portion 45c is a portion that is formed integrally with the mechanism restricting portion 45b and extends in a cylindrical shape in the axial direction on the transmission side.
  • a spline shaft is formed on the second disk support portion 45c.
  • a spline groove is formed in the axial direction on the inner peripheral surface of the second support member 45, that is, the inner peripheral surface of the second rotation support portion 45 a, and this spline groove is fitted to the spline shaft of the second input shaft 92.
  • the second support member 45 is attached to the second input shaft 92 so as not to rotate.
  • Support mechanism The support mechanism 13 includes a first support member 35 and a positioning member 95.
  • the first support member 35 has a mounting hole through which the first input shaft can be inserted, and a spline groove is formed on the inner peripheral surface of the mounting hole.
  • the first support member 35 cannot rotate with respect to the first input shaft 91 by fitting the spline groove of the first support member 35 to the spline shaft formed on the outer peripheral surface of the first input shaft 91. It is attached to.
  • the first support member 35 includes a first disk support part 35a that supports the first clutch disk assembly 5, a second rotation support part 35b that supports the first rotation support mechanism 211, and a mounting part 35c. ing.
  • the mounting portion 35c is formed in a cylindrical shape, and a spline groove is formed on the inner peripheral surface.
  • the first disk support part 35a is formed integrally with the mounting part 35c, and supports the first clutch disk assembly 5 on the outer side in the radial direction of the mounting part 35c.
  • a spline shaft is formed on the outer peripheral surface of the first disk support portion 35a.
  • the first rotation support part 35b is a part formed integrally with the mounting part 35c and extending from the first disk support part 35a to the axial direction engine side.
  • the first rotation support portion 35b can be fitted with a first rotation support mechanism 211, for example, a first bearing 44.
  • a first rotation support mechanism 211 for example, a first bearing 44.
  • the positioning member 95 is a retaining ring that can be fitted into the annular groove 91b of the first input shaft 91, for example, a snap ring.
  • the snap ring 95 is fitted into the annular groove 91b of the first input shaft 91 in a state where the snap ring 95 is in contact with the engine-side wall portion of the first support member 35, that is, the engine-side wall portion of the mounting portion 35c.
  • the 1st support member 35 is clamped between the snap ring 95 and the level
  • the first support member 35 supports the first bearing 34 of the first rotation support mechanism 211.
  • the snap ring 46 for the second input shaft which is a shaft movement restricting member, is mounted in an annular groove 92 a formed on the outer peripheral surface of the second input shaft 92.
  • the spline groove on the inner peripheral surface of the first support member 35 that is, the spline groove on the inner peripheral surface of the mounting portion 35 c, and the spline shaft formed on the outer peripheral surface of the first input shaft 91 are fitted.
  • the spline shaft of the first disk support portion 35 a in the first support member 35 and the spline groove formed in the inner peripheral portion of the first hub 61 are fitted.
  • the transmission-side wall portion of the first support member 35 comes into contact with a stepped portion 91 a formed on the first input shaft 91.
  • the first support member 35 is located between the snap ring 95 and the step portion 91a of the first input shaft 92. Positioned on the first input shaft 92.
  • the first bearing 34 includes the inner peripheral surface of the first flywheel 3 and the first rotation support portion 35 b of the first support member 35.
  • the first flywheel 3 is supported so as to be rotatable with respect to the first input shaft 91. Then, by attaching the crankshaft 99 and the damper mechanism 15 to the input rotating body 10, the clutch device 1 is assembled to the input shafts 91 and 92 (see FIG. 1).
  • the shaft movement of the second rotation support mechanism 111 relative to the second input shaft 92 to the engine side is restricted by the shaft movement restriction mechanism 12, so that when power is transmitted from the engine to the transmission,
  • the generated thrust force can be transmitted to the second input shaft 92 having a larger diameter than the first input shaft 91. That is, in the present clutch device 1, the thrust force generated in the clutch device 1 can be received by the second input shaft 92 having higher rigidity than the first input shaft 91, so that power is stably transmitted from the engine to the transmission. can do. Further, in the clutch device 1, the thrust force can be transmitted to the second input shaft 92, and the clutch device 1 can be easily mounted on the first input shaft 91 and the second input shaft 92 as described above. it can. Thereby, the assembly efficiency of the clutch apparatus 1 can be improved significantly.
  • the present invention can be used for a clutch device for transmitting power from an engine to a transmission having an input shaft.

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

Abstract

Dispositif d'embrayage capable de transmettre de façon stable la puissance du moteur à la transmission. Un dispositif d'embrayage (1) est équipé d'un corps rotatif d'entrée (10), d'un premier plateau de pression (39), d'un second plateau de pression (49), d'un premier ensemble disque d'embrayage (5), d'un second ensemble disque d'embrayage (6), d'un mécanisme de support de rotation (11), d'un mécanisme de support (13) et d'un mécanisme (12) de limitation du mouvement de l'arbre. Le mécanisme de support (13) relie le premier ensemble disque d'embrayage (5) à un premier arbre d'entrée (91) et supporte le premier ensemble disque d'embrayage (5). Le mécanisme (12) de limitation du mouvement de l'arbre relie le mécanisme de support de rotation (11) et le second ensemble disque d'embrayage (6) à un second arbre d'entrée (92) et supporte le mécanisme de support de rotation (11) et le second ensemble disque d'embrayage (6).
PCT/JP2011/060126 2010-05-13 2011-04-26 Dispositif d'embrayage WO2011142252A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180022745.2A CN102884331B (zh) 2010-05-13 2011-04-26 离合器装置
DE112011101639T DE112011101639T5 (de) 2010-05-13 2011-04-26 Kupplungsvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010111028A JP5460460B2 (ja) 2010-05-13 2010-05-13 クラッチ装置
JP2010-111028 2010-05-13

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WO2011142252A1 true WO2011142252A1 (fr) 2011-11-17

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PCT/JP2011/060126 WO2011142252A1 (fr) 2010-05-13 2011-04-26 Dispositif d'embrayage

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JP (1) JP5460460B2 (fr)
CN (1) CN102884331B (fr)
DE (1) DE112011101639T5 (fr)
WO (1) WO2011142252A1 (fr)

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US10851832B2 (en) * 2019-04-30 2020-12-01 Caterpillar Inc. Rotary gearbox

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04302715A (ja) * 1991-03-29 1992-10-26 Suzuki Motor Corp クラッチ
JP2007255551A (ja) * 2006-03-23 2007-10-04 Jatco Ltd クラッチ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5023372B2 (ja) 2000-11-22 2012-09-12 シェフラー テクノロジーズ アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト クラッチ装置
JP2007025551A (ja) * 2005-07-21 2007-02-01 Murata Mach Ltd 画像形成装置
JP4414996B2 (ja) * 2006-11-21 2010-02-17 株式会社エクセディ 複式クラッチ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04302715A (ja) * 1991-03-29 1992-10-26 Suzuki Motor Corp クラッチ
JP2007255551A (ja) * 2006-03-23 2007-10-04 Jatco Ltd クラッチ

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DE112011101639T5 (de) 2013-02-28
JP5460460B2 (ja) 2014-04-02
JP2011237015A (ja) 2011-11-24
CN102884331B (zh) 2015-08-05
CN102884331A (zh) 2013-01-16

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