EP3652009A1 - Dispositif monobloc de support d'un groupe motopropulseur integrant un palier relais - Google Patents

Dispositif monobloc de support d'un groupe motopropulseur integrant un palier relais

Info

Publication number
EP3652009A1
EP3652009A1 EP18748971.1A EP18748971A EP3652009A1 EP 3652009 A1 EP3652009 A1 EP 3652009A1 EP 18748971 A EP18748971 A EP 18748971A EP 3652009 A1 EP3652009 A1 EP 3652009A1
Authority
EP
European Patent Office
Prior art keywords
support
arm
intended
relay bearing
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18748971.1A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jean-Luc AGRINIER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault SAS
Nissan Motor Co Ltd
Original Assignee
Renault SAS
Nissan Motor Co Ltd
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 Renault SAS, Nissan Motor Co Ltd filed Critical Renault SAS
Publication of EP3652009A1 publication Critical patent/EP3652009A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
    • B60K17/24—Arrangements of mountings for shafting
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12—Arrangement of engine supports
    • B60K5/1208—Resilient supports
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers

Definitions

  • a powertrain of a motor vehicle generally comprises a motor, a gearbox and / or a geared motor and at least one transmission shaft leaving said gearbox or geared motor. It is known to arrange the powertrain axially, that is to say that the crankshaft is oriented longitudinally in the direction of movement of the vehicle, or transversely, that is to say that the crankshaft is oriented perpendicular to the direction of movement of the vehicle.
  • the invention relates to a monobloc device for supporting a powertrain of a motor vehicle which comprises:
  • a mounting plate which is arranged at a first end of the support arm and which is intended to be rigidly fixed to the power unit;
  • a determined main axis suspension ring which is arranged at a second end of the support arm and which is intended to be fastened to a structural element of the vehicle with the interposition of a damping ring;
  • the relay bearing is formed in an intermediate portion of the arm positioned between the sole and the suspension ring;
  • the relay bearing is formed by an orifice defined by a closed annular wall of determined principal axis
  • the relay bearing is intended to be closed by an attached cap;
  • the main axis of the suspension ring is parallel to the main axis of the relay bearing;
  • the arm comprises stiffening ribs in a plane orthogonal to the axis of the suspension ring which connect the intermediate section and the fastening soleplate.
  • the invention also relates to a motor vehicle equipped with a power unit comprising an electric motor, characterized in that the power unit is fixed to a structural element of the vehicle by means of at least one support device produced according to the teachings of the invention.
  • Figure 1 is a schematic view of a power plant made according to the teachings of the invention.
  • FIG. 2 is a perspective view of a powertrain support device incorporating a relay bearing made according to the teachings of the invention
  • Figure 3 is a side view of the power train equipped with the support device of Figure 2;
  • FIG. 4 is a front view of the power train of FIG. DETAILED DESCRIPTION OF THE FIGURES
  • FIG. 1 shows a transverse powertrain for a motor vehicle (not shown).
  • a powertrain 10 which comprises an electric traction motor 12, a gearbox 14 provided with a differential and a charger 15.
  • gearbox also includes a geared motor without change of gear ratio.
  • the powertrain 10 comprises at least the engine 12 which is coupled to the gearbox 14.
  • the gearbox 14 is capable of driving two wheels 16 and 18 of the vehicle through a shaft 20 transmission 20 and a long transmission shaft 22 which extends partly under the engine 12.
  • Each transmission shaft 20, 22 is driven by the gearbox 14.
  • Each transmission shaft 20, 22 drives the associated wheel 16, 18 via a wheel shaft 24, 26.
  • the transmission shafts 20, 22 are rotatably connected to the wheel shafts 24, 26 via a respective homokinetic joint 28, 30.
  • the powertrain 10 is here arranged so that the long transmission shaft 22 is arranged longitudinally opposite a suspension stud of the structural element 36. As a result, it is not easy to arranging a support device 36 on the wall vis-à-vis the powertrain without interfering with the passage of the shaft 22 long transmission.
  • the invention proposes the support device 40 which is illustrated in FIGS. 2 to 4.
  • the support device 40 also comprises a fastening flange 44 which is arranged at a first end of the support arm 42, here at the front end.
  • the sole plate 44 has the form of a transverse vertical plate whose opposite face to the arm 42 is intended to be plated longitudinally against an associated face of the powertrain 10, as will be explained in more detail later.
  • the sole 44 is intended to be fixed rigidly to the power unit 10.
  • the sole 44 is here crossed by several orifices. 46 fixing, here three in number, which are intended to receive a threaded rod, for example a screw or a stud.
  • a transverse main axis suspension ring 48 "A" which is arranged at a second end, here the rear end, of the support arm 42.
  • the ring is intended to be hooked to a stud (not shown) for suspending the structural element with the interposition of a damping member 50, here a ring comprising elastomeric material.
  • the support device 40 is thus intended to be fixed to the vehicle structural element by interlocking the ring 48 with the associated suspension stud.
  • the support arm 42 comprises a bearing 52 relay which is intended to be traversed by the shaft 22 of long transmission to support it.
  • the relay bearing 52 is designed to house a guide bearing (not shown) of the transmission shaft 22 of the powertrain 10.
  • the relay bearing 52 is formed by an orifice made in an intermediate portion 54 of the arm 42.
  • the orifice is delimited by a closed inner cylindrical wall 56 of main axis "B" which is here transverse.
  • the relay bearing is open radially with an opening large enough to insert the transmission shaft longitudinally. The opening is then intended to be closed by a reported cap.
  • the main axis "A" of the suspension ring 48 is here parallel to the main axis "B" of the relay bearing 52.
  • the intermediate portion 54 is interposed longitudinally between the sole 44 and a longitudinal end section which comprises the suspension ring 48. As is particularly visible in Figure 2, the relay bearing 52 is arranged longitudinally closer to the sole 44 than the ring 48 suspension.
  • the support device 40 has a very high stiffness.
  • the support device 40 must in particular have a high stiffness to bending in a longitudinal vertical plane.
  • the presence of the relay bearing 52 tends to reduce the bending stiffness and / or the breaking strength of this part.
  • the invention proposes to arrange ribs 58A, 58B of stiffening on the arm 42.
  • the support device 40 here comprises two ribs 58A, 58B which extend in a plane orthogonal to the axis "A of the suspension ring 48, here in a longitudinal vertical plane.
  • An upper rib 58A connects the intermediate section 54 to the fixing flange 44, passing above the relay bearing 52.
  • a lower rib 58B connects the intermediate section 54 to the fixing flange 44, passing below. of the relay bearing 52.
  • FIGS. 3 and 4 show the support device 40 incorporating the relay bearing 52 mounted on the power unit 10.
  • the powertrain 10 here comprises a plurality of motor supports 36 which only fulfill a motor support function, and a support device 40 made according to the teachings of the invention integrating the relay bearing 52.
  • the flange 44 for fixing the support device 40 is here pressed against a vertical transverse wall 60 of the motor 12.
  • the flange 44 is here fixed by means of three fixing screws 61 passed through the orifices 46 and screwed into corresponding threads of the wall 60 of the engine 12.
  • the long transmission shaft 22 is arranged along said wall 60, a longitudinal space being reserved between the transmission shaft 22 and the wall 60 to allow rotation of the shaft 22.
  • a guide bearing (not shown) is mounted around the long transmission shaft 22.
  • the long transmission shaft 22 is inserted transversely into the relay bearing 52 in the direction of the differential of the gearbox 14, until the guide bearing is housed in the relay bearing 52.
  • the inner wall 56 of the relay bearing 52 has an annular shoulder 62 against which an outer ring of the guide bearing is intended to abut transversely.
  • An annular cover 64 is then fixed, here by screwing, on the arm 42 of the support device 40 to close the relay bearing 52 and thus prevent the guide rolling out.
  • an accessory here the charger 13 is supported in part by the upper rib 58A of the device 40 support.
  • a lug 66 for supporting the magazine 13 extends vertically downwards from the magazine 13 to a lower end which bears on the upper rib 58A above the sole 44.
  • the support device 40 reduces the size of the engine compartment by reducing the number of parts.
  • the support device 40 also makes it possible to arrange a stud of the structural element in front of the transmission shaft. The freedom of design is thus increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Vibration Prevention Devices (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Power Transmission Devices (AREA)
  • Tires In General (AREA)
  • Body Structure For Vehicles (AREA)
EP18748971.1A 2017-07-10 2018-06-14 Dispositif monobloc de support d'un groupe motopropulseur integrant un palier relais Withdrawn EP3652009A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1756487A FR3068649B1 (fr) 2017-07-10 2017-07-10 Dispositif monobloc de support d'un groupe motopropulseur integrant un palier relais
PCT/FR2018/051401 WO2019012194A1 (fr) 2017-07-10 2018-06-14 Dispositif monobloc de support d'un groupe motopropulseur integrant un palier relais

Publications (1)

Publication Number Publication Date
EP3652009A1 true EP3652009A1 (fr) 2020-05-20

Family

ID=59974592

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18748971.1A Withdrawn EP3652009A1 (fr) 2017-07-10 2018-06-14 Dispositif monobloc de support d'un groupe motopropulseur integrant un palier relais

Country Status (9)

Country Link
US (1) US11186156B2 (ja)
EP (1) EP3652009A1 (ja)
JP (1) JP6939977B2 (ja)
KR (1) KR20200026988A (ja)
CN (1) CN110891811A (ja)
BR (1) BR112020000389A2 (ja)
FR (1) FR3068649B1 (ja)
RU (1) RU2758728C2 (ja)
WO (1) WO2019012194A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3068649B1 (fr) * 2017-07-10 2021-11-26 Renault Sas Dispositif monobloc de support d'un groupe motopropulseur integrant un palier relais
CN111516490A (zh) * 2020-03-27 2020-08-11 浙江合众新能源汽车有限公司 一种驱动轴固定支架
GB202007671D0 (en) * 2020-05-22 2020-07-08 Expro North Sea Ltd Downhole tool deployment
NL2026916B1 (en) * 2020-11-17 2022-07-01 Daf Trucks Nv Rear axle with integrated electric motor

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Also Published As

Publication number Publication date
RU2020105819A3 (ja) 2021-08-30
WO2019012194A1 (fr) 2019-01-17
KR20200026988A (ko) 2020-03-11
US20210078396A1 (en) 2021-03-18
FR3068649A1 (fr) 2019-01-11
RU2758728C2 (ru) 2021-11-01
RU2020105819A (ru) 2021-08-10
BR112020000389A2 (pt) 2020-07-14
JP2020527501A (ja) 2020-09-10
US11186156B2 (en) 2021-11-30
CN110891811A (zh) 2020-03-17
JP6939977B2 (ja) 2021-09-22
FR3068649B1 (fr) 2021-11-26

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