WO2007119471A1 - 動力伝達装置およびその組立方法 - Google Patents
動力伝達装置およびその組立方法 Download PDFInfo
- Publication number
- WO2007119471A1 WO2007119471A1 PCT/JP2007/055822 JP2007055822W WO2007119471A1 WO 2007119471 A1 WO2007119471 A1 WO 2007119471A1 JP 2007055822 W JP2007055822 W JP 2007055822W WO 2007119471 A1 WO2007119471 A1 WO 2007119471A1
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- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- stator
- power transmission
- transmission device
- guide sleeve
- Prior art date
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Classifications
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- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
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- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49879—Spaced wall tube or receptacle
Definitions
- the present invention relates to a power transmission device having a transmission mechanism such as a transmission and an electric motor that increases or decreases torque input to or output from the transmission mechanism, and a method for assembling the power transmission device. is there.
- a power device for a vehicle As a power device for a vehicle, a device combining an internal combustion engine and an electric motor, a device using an electric motor as a power source, and the like are known. Even in a vehicle using this type of power unit, a transmission is also mounted for controlling the driving torque and the rotational speed of the internal combustion engine or the electric motor.
- a transmission is also mounted for controlling the driving torque and the rotational speed of the internal combustion engine or the electric motor.
- Japanese Patent Application Laid-Open No. 2003-127681 The device described in Japanese Patent Application Laid-Open No. 2003-127681 is a drive device for a hybrid vehicle.
- An internal combustion engine is connected to a carrier of a planetary gear mechanism, and a first gear is connected to a sun gear of the planetary gear mechanism.
- a motor generator is connected.
- a ring gear is connected to the input side member of the stepped automatic transmission.
- a member on the output side of the automatic transmission is connected to a propeller shaft, and a second motor generator is connected to the propeller shaft via a gear pair. Therefore, in the device disclosed in Japanese Patent Laid-Open No. 2003-127681, the planetary gear mechanism constitutes a distribution mechanism that distributes the power output from the internal combustion engine to the first motor generator and the output side. In the process of transmitting power to the automatic transmission, torque is added or absorbed by the second motor generator.
- JP 2003-127681 discloses a configuration in which an automatic transmission is disposed between a second motor generator and a propeller shaft, and the second motor generator is attached to an input shaft of the automatic transmission. It has been.
- a motor stator is attached to the inside of a housing, and an input shaft of a transmission is arranged on the same axis as the motor stator.
- a structure in which a revolving motor rotor is attached to the input shaft is disclosed.
- the present invention has been made paying attention to the above technical problem, and has as its object to improve the assembly of the rotor in the power transmission device having the electric motor and the transmission mechanism.
- the present invention provides a power provided with an electric motor having a rotor arranged concentrically with respect to the stator on the inner peripheral side of the stator, and a transmission mechanism for transmitting power.
- a part of the predetermined constituent member in the transmission mechanism protrudes on the stator or rotor side in a state where the stator or rotor and the central axis coincide with each other, and the rotor is disposed on the outer peripheral side of the protruding portion.
- a gap is provided between the outer peripheral surface of the projecting portion and the inner peripheral surface of the rotor so that a guide sleeve can be inserted to move the rotor in the axial direction while being loosely fitted.
- the outer peripheral surface of the projecting portion closer to the base end side than the tip end portion thereof is a guide portion that fits with the guide sleeve being in close contact with each other. This is a power transmission device.
- the projecting portion may be the transmission.
- a power transmission device comprising a shaft for transmitting power to the structure, and a connecting member for connecting the shaft and the rotor so as to transmit torque is interposed between the shaft and the rotor. is there.
- the present invention is the power transmission device according to any one of the above inventions, wherein the rotor is centered with respect to the stator by the sleeve.
- the present invention relates to a method for assembling a power transmission device including an electric motor having a rotor arranged concentrically with the stator on the inner peripheral side of the stator, and a transmission mechanism for transmitting power.
- the transmission mechanism is assembled in a state in which a part of predetermined components in the transmission mechanism protrudes on the stator or rotor side in a state where the stator or rotor and the central axis coincide with each other.
- a guide sleeve is fitted on the outer peripheral side of the guide sleeve, the rotor is fitted on the outer peripheral side of the guide sleeve, and the rotor is moved along the guide sleeve in the axial direction to rotate the rotor on the same axis as the stator.
- the guide sleeve is assembled freely, and then the guide sleeve is removed from the protruding portion.
- both end portions in the axial direction of the rotor are rotatably held by a case of the power transmission device or a member integral with the case, and then the guide A method of assembling a power transmission device, wherein a sleeve is extracted from the protruding portion.
- the guide sleeve is fitted to the portion protruding from the transmission mechanism toward the electric motor, and the rotor is moved in the axial direction along the outer peripheral surface of the guide sleeve and assembled.
- the rotor can be held and assembled on the same axis with respect to the stator. Therefore, the rotor can be prevented from interfering with the stator, and the assembly work can be easily performed.
- the rotor is sufficiently separated from the projecting portion on the center side thereof, so that friction between the rotor and the projecting portion and seizure due to the rotor are prevented. Can do.
- the guide fitted to the proximal end portion of the protruding portion can be constituted by the sleeve, so that the assembling workability of the rotor is improved.
- the guide sleeve can be fitted to the shaft protruding from the transmission mechanism, and the rotor can be assembled by moving the rotor in the axial direction along the outer peripheral surface of the guide sleeve. Since the rotor can be easily assembled and the shaft and the rotor are connected via a connecting member, the rotor is separated from the shaft and can be rotated independently when the rotor is assembled. This makes it possible to test and adjust the motor by operating it alone during assembly of the power transmission device.
- the rotor can be disposed and held at a position corresponding to the center axis of the stator by the protruding portion or the guide sleeve inserted into the gap between the shaft and the rotor, Therefore, the assembly
- the guide sleeve is fitted into a portion protruding from the transmission mechanism toward the electric motor in a state where the transmission mechanism is assembled, and the rotor is axially moved along the guide sleeve. Assemble the rotor. Therefore, the rotor in the assembly process can be assembled by the guide sleeve while being maintained on the same axis as the stator, so that the operation can be easily performed. After the rotor is assembled, the guide sleeve is pulled out, so that the rotor can be maintained in a state of being separated from the protruding portion, so that the electric motor can be operated independently for inspection and adjustment.
- the assembled rotor is rotatably supported by the case or a member integral therewith, even if the guide sleeve is removed, the rotor remains on the same axis with respect to the stator. Can be held in. Since a sufficient gap is maintained between the projecting portion and the projecting force, the motor can be inspected and adjusted without causing burning of the rotor and the projecting portion.
- FIG. 1 is a cross-sectional view showing an example of the present invention.
- FIG. 2 is a skeleton diagram schematically showing a drive system of a hybrid vehicle including a power transmission device to which the present invention is applied.
- FIG. 3 is a chart showing an engagement operation table of the mechanical transmission unit.
- FIG. 4 is a diagram schematically showing a process of assembling a rotor using a guide sleeve.
- FIG. 5 is a view showing an example of a mechanism provided in a guide sleeve for rotor centering.
- FIG. 1 is a cross-sectional view showing a part of a power transmission device that is an object of the present invention.
- the power transmission device shown here includes a mechanical transmission unit 1 and an electric motor 2.
- the transmission unit 1 and the electric motor 2 are housed inside the case 3.
- This case 3 has a structure in which one end side (left side in FIG. 1) is wide open, and the other end side (right side in FIG. 1) is small enough to pass through an output shaft (not shown). It is divided into two storage chambers 5 and 6 by a partition wall 4 attached to the container.
- the transmission unit 1 is arranged in the accommodation chamber 5 on the right side of FIG. 1, and the electric motor 2 is arranged in the accommodation chamber 6 on the left side of FIG.
- the transmission unit 1 includes a stepped gear transmission mechanism or a continuously variable transmission mechanism such as a belt type or a toroidal type. In short, the transmission ratio is changed by changing a power transmission path. It is configured as follows. An example of the stepped transmission unit 1 composed mainly of a planetary gear mechanism will be described later.
- the transmission unit 1 also includes an input shaft 7 corresponding to the protruding portion of the present invention, and the input shaft 7 passes through the partition wall 4 and protrudes toward the housing chamber 6 side of the electric motor 2.
- the partition wall portion 4 is a plate-like member having a boss portion 8 on the center side.
- the partition wall portion 4 is fitted and centered in a spigot portion 9 formed on the inner peripheral portion of the case 3, and is bolted. It is fixed to Case 3 by 10.
- the input shaft 7 passes through the partition wall portion 4 along the central axis of the boss portion 8 of the partition wall portion 4, and can be rotated by the partition wall portion 4 via a bearing 11 fitted to the outer peripheral side thereof. Is held in.
- the electric motor 2 includes a stator (stator) 12 and a rotor (rotor) 13 arranged concentrically on the inner peripheral side thereof.
- a stator (stator) 12 and a rotor (rotor) 13 arranged concentrically on the inner peripheral side thereof.
- an appropriate type can be used, and for example, a permanent magnet type synchronous motor can be used.
- a coil 14 is provided on the stator 12, and a permanent magnet 15 is attached to the rotor 13.
- This rotor 13 A cylindrical portion 16 having a length close to the axial length of the coil 14 is provided on the peripheral portion.
- the input shaft 7 protrudes to a length from the end of the rotor 13 on the partition wall 4 side to the end on the opposite side.
- a spline 17 is formed on the outer peripheral surface of the tip of the input shaft 7.
- the cylindrical portion 16 of the rotor 13 is loosely fitted on the outer peripheral side of the input shaft 7 closer to the base end side than the spline 17.
- the minimum inner diameter of the cylindrical portion 16 is set to be sufficiently larger than the maximum outer diameter of the protruding portion of the input shaft 7 from the partition wall portion 4, and the inner peripheral surface of the cylindrical portion 16 A clearance (clearance) C is formed between the outer peripheral surface of the input shaft 7. This gap C is for inserting a guide sleeve Sg described later.
- the inner diameter of the portion of the inner peripheral surface of the cylindrical portion 16 facing the spline 17 of the input shaft 7 is larger than the outer diameter of the spline 17, and the spline of the input shaft 7 is placed in that portion.
- a spline 18 is formed that is spaced from 1 7.
- the storage chamber 6 in which the electric motor 2 is stored is partitioned by another partition wall 19 attached to the inner periphery of the case 3 so as to face the partition wall 4.
- the rotor 13 is rotatably supported by the partition walls 4 and 19 via bearings 20 and 21 fitted to both ends of the cylindrical portion 16. As described above, the rotor 13 is loosely fitted to the input shaft 7 and the splines 17 and 18 are not squeezed together. Therefore, when the rotor 13 is assembled and supported by the bearings 20 and 21, the rotor 13 is Can be rotated alone.
- a rotor 23 of a resolver 22 is attached to an end of the cylindrical portion 16 on the other partition wall portion 19 side, and a stator 24 is disposed on the outer peripheral side thereof so as to face each other in the radial direction.
- the stator 24 is fixed to the inner surface of the other partition wall 19.
- the other partition wall 19 is formed with a boss portion 25 in which the input shaft 7 and the central axis coincide with each other, and the output shaft 27 of the power distribution mechanism 26 is inserted into the boss portion 25.
- the output shaft 27 is a shaft for transmitting the power from the power distribution mechanism 26 to the electric motor 2 and the transmission unit 1, and its tip can be inserted into the inner peripheral side of the cylindrical unit 16 and It is formed in a cylindrical shape so that it can be fitted to the outer peripheral side of the input shaft 7.
- Splines are formed on both the inner and outer surfaces of the cylindrical portion, and the splines are fitted to the splines 18 in the rotor 13 and the splines 17 in the input shaft 7. Therefore, the rotor 13 and the input shaft 7 are indirectly connected so that power can be transmitted via the output shaft 27 corresponding to the connecting member in the present invention. Connected.
- the power distribution mechanism 26 will be described later.
- the oil passages 28 and 29 for supplying or discharging the lubricating oil or the hydraulic pressure to the transmission unit 1 and the power distribution mechanism 26 or the bearings 11, 20, and 21 include the partition portions described above. 4 and 19 are formed through.
- a hydraulic control circuit (not shown) for supplying and discharging hydraulic pressure through these oil passages 28 and 29 is attached to the lower part of the case 3, and an oil pan (not shown) It is attached to the bottom of Case 3 with the control circuit housed.
- the power transmission device shown in FIG. 1 can be mounted on a hybrid vehicle, and an example of such a configuration is shown in a skeleton diagram in FIG.
- the example shown here is an example configured as a so-called two-motor hybrid drive device, particularly an example configured to be mounted in the front-rear direction of the vehicle.
- the gear ratio of forward fourth speed and reverse first speed can be set by two sets of planetary gear mechanisms 30, 31.
- These planetary gear mechanisms 30, 31 may be either a single pinion type or a double pinion type, but in the example shown in FIG. 2, a single pinion type planetary gear mechanism is employed.
- each planetary gear mechanism 30, 31 includes sun gears SI and S2 which are external gears, ring gears Rl and R2 which are internal gears arranged concentrically on the outer periphery thereof, and these sun gears SI,
- the carrier CA1 and CA2 holding the pinion gears disposed between S2 and the ring gears Rl and R2 are configured to perform a differential action.
- the carrier CA1 in the first planetary gear mechanism 30 is connected to the ring gear R2 in the second planetary gear mechanism 31, and the ring gear R1 and the second planetary gear in the first planetary gear mechanism 30 are connected.
- the carrier CA2 of the mechanism 31 is connected, and thus these planetary gear mechanisms 30, 31 are configured as a so-called CR-CR combined compound planetary gear mechanism.
- Three clutch mechanisms CI, C2, and C3 are provided for selectively transmitting power to the compound planetary gear mechanism. These clutch mechanisms CI, C2, C3 are, for example, hydraulic friction engagement devices, and the first clutch mechanism C1 is disposed between the input shaft 7 and the sun gear S2 of the second planetary gear mechanism 31 described above. A second clutch mechanism C2 is disposed between the carrier CA1 of the first planetary gear mechanism 30 and the input shaft 7, and the first planetary gear machine A third clutch mechanism C3 is arranged between the sun gear SI and the input shaft 7 in the structure 30.
- a first brake mechanism B1 that selectively fixes the sun gear S1 in the first planetary gear mechanism 30 and a second gear that selectively fixes the ring gear R2 in the second planetary gear mechanism 31.
- Brake mechanism B2 is provided. As these brake mechanisms Bl and B2, hydraulic multi-plate brakes and band brakes can be adopted.
- a one-way clutch F1 is provided in parallel with the second brake mechanism B2. The one-way clutch F 1 is engaged when the carrier CA1 in the first planetary gear mechanism 30 and the ring gear R2 in the second planetary gear mechanism 31 try to rotate in the opposite direction to the input shaft 7. It is configured to stop its rotation.
- the output shaft 32 is connected to the carrier CA2 in the second planetary gear mechanism 31. The output shaft 32 is disposed on the same axis as the input shaft 7 described above, and protrudes from the case 3.
- the power distribution mechanism 26 distributes the power output from the internal combustion engine (engine) 33 to the motor / generator (M 1) 34 and the transmission unit 1.
- the mechanism is a planetary gear mechanism.
- As the planetary gear mechanism a single pinion type double pinion type or the like may be used as long as it has a differential action by three rotating elements. In the example shown in FIG. A Ngonne pinion type planetary gear mechanism is adopted. This planetary gear mechanism is configured as a so-called speed increasing mechanism.
- the internal combustion engine 33 is connected to the carrier CA0, the motor 'generator 34 is connected to the sun gear SO, and the output shaft 27 is connected to the ring gear R 0. It is connected to.
- the output shaft 27 of the power distribution mechanism 26 is coupled to the input shaft 7 of the transmission unit 1, and the rotor 13 of the electric motor (M2) 2 is coupled to the output shaft 27 and the input shaft 7.
- the motor generator 34 may be a generator, and the motor 2 may be a motor generator having a power generation function.
- the motor generator 34 and the electric motor 2 are connected to a battery via a controller such as an inverter (not shown), and further, the inverter is controlled by an electronic control unit, thereby driving torque, power generation torque, power generation The amount is controlled.
- the transmission unit 1 mainly composed of the above two sets of planetary gear mechanisms 30, 31 includes the clutch mechanisms CI, C2, C3, the brake mechanisms Bl, B2, and the one-way clutch F1 in FIG. It is configured to set forward 4th speed and reverse 1st speed by engaging or releasing as shown.
- Fig. 3 is a chart showing the engagement operation table. The symbol ⁇ indicates the engaged state, the blank indicates the released state, and the bracket ⁇ indicates the power source brake (or engine brake). Indicates engagement for effect.
- the clutch mechanism Cl, C2, C3 and the brake mechanism Bl, B2 are controlled to be engaged and released by the hydraulic pressure output from the hydraulic control circuit described above.
- the assembly procedure (method) of the power transmission device described above will be described.
- the components of the transmission unit 1 are sequentially inserted from the large opening side (the internal combustion engine 33 side in the mounted state) into the case 3 before mounting the partition walls 4 and 19 described above, Attach to the inside of case 3.
- the input shaft 7 of the transmission 1 is inserted into the boss 8 of the partition 4, and the partition 4 is fitted to the spigot 9 formed on the inner periphery of the case 3 and fixed by the bolt 10. To do.
- the accommodation chamber 5 that accommodates the transmission 1 is closed, and the input shaft 7 is rotatably supported by the boss 8 via the bearing 11.
- the guide sleeve Sg is a cylindrical member made of a material having a high surface hardness such as metal, and the inner diameter is substantially equal to the maximum outer diameter of the input shaft 7 and the outer diameter is the inner diameter of the cylindrical portion 16. Is set to be approximately equal. In other words, it is a cylindrical body having a thickness substantially equal to the width of the gap C.
- the maximum outer diameter portion of the input shaft 7 is a portion on the rear side (base end side) from the tip end portion where the spline 17 is formed. Therefore, the base end portion of the input shaft 7 is more proximal than the tip end portion.
- the outer peripheral portion of the side portion is the guide portion of the present invention.
- the rotor 13 is supported at both ends even if one end side of the housing chamber 6 that houses the electric motor 2 is closed by the partition wall portion 4 or the transmission portion 1. It can be easily assembled in the same state as the state.
- the rotor 13 is supported by the guide sleeve Sg because the rotor 13 is supported by the guide sleeve Sg fitted in close contact with the input shaft 7 protruding along the central axis of the stator 12. So-called centering is performed. Therefore, when attaching the other partition wall portion 19, the end portion of the rotor 13 can be easily fitted into the bearing 21, so that the other partition wall portion 19 can be easily assembled. Further, at this time, the interference with the rotor 13 force S stator 12 can be avoided.
- the guide sleeve Sg is removed from the input shaft 7.
- the rotor 13 is supported by the partition portions 4 and 19 on both ends thereof, and the load is hardly applied to the guide sleeve Sg. Therefore, the force S can be easily extracted. Even if the guide sleeve Sg is pulled out, the rotor 13 is held at a position on the same axis with respect to the stator 12 by the bearings 20 and 21. That is, the rotor 13 does not interfere with the stator 12 even when the guide sleeve Sg is removed.
- the guide sleeve Sg has a function of centering and holding the rotor 13.
- Figure 5 shows an example of a configuration that performs this function more actively.
- the present invention is not limited to the example shown in FIG. 5, but the example shown in FIG. 5 is an example in which a so-called inner diameter chuck is provided on the guide sleeve Sg. That is, the rear end portion of the guide sleeve Sg is closed, and a screw shaft 51 that passes through the center portion of the end plate portion 50 and is rotatably held is provided.
- the tip end of the screw shaft 51 is rotatably supported by a support plate 52 attached to the inside of the guide sleeve Sg. Therefore, the screw shaft 51 is disposed along the central axis of the guide sleeve Sg.
- a tapered cone 53 having an outer peripheral surface formed in a tapered shape is attached to the screw shaft 51 so as not to rotate. That is, by rotating the screw shaft 51, the tapered cone 53 moves back and forth in the axial direction.
- a plurality of chuck claws 54 are radially arranged on the outer peripheral side of the tapered cone 53. These chuck claws 54 are inertially pressed toward the center of the guide sleeve Sg so as to contact the outer peripheral surface of the tapered cone 53.
- each chuck claw 54 is bound by an elastic ring or band (not shown).
- Each chuck claw 54 is held by a guide 55 so that it can move in the radial direction of the guide sleeve Sg and protrude from the outer peripheral surface of the guide sleeve Sg.
- the transmission mechanism in the present invention is not limited to the planetary gear type stepped transmission mechanism described above, and may be a transmission mechanism having no transmission function.
- the electric motor of the present invention is not limited to a permanent magnet type electric motor, but may be another appropriate type of electric motor.
- the connecting member that connects the input shaft and the rotor so as to be able to transmit torque is not limited to the output shaft 27 of the power distribution mechanism 26 described above, and is any other appropriate interposed member.
- the means for transmitting the torque is not limited to the spline, and may be a means such as a selection or a slide key that engages with each other in the rotational direction.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- General Details Of Gearings (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007000684T DE112007000684T5 (de) | 2006-03-24 | 2007-03-22 | Leistungsübertragungseinheit und Montageverfahren für diese |
CN2007800105618A CN101410264B (zh) | 2006-03-24 | 2007-03-22 | 动力传递装置及其装配方法 |
US12/293,902 US7884515B2 (en) | 2006-03-24 | 2007-03-22 | Power transmission device and method of assembling the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006082709A JP4059276B2 (ja) | 2006-03-24 | 2006-03-24 | 動力伝達装置およびその組立方法 |
JP2006-082709 | 2006-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007119471A1 true WO2007119471A1 (ja) | 2007-10-25 |
Family
ID=38609255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/055822 WO2007119471A1 (ja) | 2006-03-24 | 2007-03-22 | 動力伝達装置およびその組立方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7884515B2 (ja) |
JP (1) | JP4059276B2 (ja) |
CN (1) | CN101410264B (ja) |
DE (1) | DE112007000684T5 (ja) |
WO (1) | WO2007119471A1 (ja) |
Cited By (1)
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US8593140B2 (en) | 2007-11-02 | 2013-11-26 | Schlumberger Technology Corporation | Formation testing and evaluation using localized injection |
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JP4584171B2 (ja) * | 2006-03-23 | 2010-11-17 | トヨタ自動車株式会社 | 動力伝達装置およびその組立方法 |
JP5639750B2 (ja) * | 2009-08-31 | 2014-12-10 | 株式会社オティックス | ロータシャフト |
EP2529991B1 (en) * | 2010-01-29 | 2019-10-30 | Toyota Jidosha Kabushiki Kaisha | Power transmission device |
DE102010007638B4 (de) * | 2010-02-05 | 2022-03-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Antriebsstrang |
JP2013123287A (ja) * | 2011-12-09 | 2013-06-20 | Honda Motor Co Ltd | モータ |
US9227501B2 (en) * | 2012-10-22 | 2016-01-05 | GM Global Technology Operations LLC | Transmission for a vehicle and a method of assembling a modular motor assembly in the transmission |
US9791001B2 (en) | 2012-12-27 | 2017-10-17 | Toyota Jidosha Kabushiki Kaisha | Power transmitting apparatus for vehicle |
EP3033548A2 (en) * | 2013-08-16 | 2016-06-22 | Thomson Industries, Inc. | Injection molded blank for lead screw, rotor-blank assembly and method for producing same |
JP6020401B2 (ja) * | 2013-09-26 | 2016-11-02 | アイシン・エィ・ダブリュ株式会社 | ハイブリッド駆動装置 |
JP6528703B2 (ja) * | 2016-03-08 | 2019-06-12 | トヨタ自動車株式会社 | 車両用動力伝達装置 |
CN106257099B (zh) * | 2016-08-25 | 2019-03-01 | 深圳市奇诺动力科技有限公司 | 一种动力模组 |
CN206968956U (zh) * | 2017-05-05 | 2018-02-06 | 天津深之蓝海洋设备科技有限公司 | 水下推进器以及潜水器 |
CN117175879B (zh) * | 2023-11-02 | 2024-01-30 | 小米汽车科技有限公司 | 驱动电机的定转子合装机和驱动电机的定转子合装方法 |
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Also Published As
Publication number | Publication date |
---|---|
US20090115263A1 (en) | 2009-05-07 |
JP2007253857A (ja) | 2007-10-04 |
DE112007000684T5 (de) | 2009-04-23 |
CN101410264A (zh) | 2009-04-15 |
CN101410264B (zh) | 2012-02-08 |
JP4059276B2 (ja) | 2008-03-12 |
US7884515B2 (en) | 2011-02-08 |
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