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
  • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L50/00—Electric propulsion with power supplied within the vehicle
  • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
  • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
  • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
• • 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
  • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
  • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
  • F16B21/02—Releasable fastening devices locking by rotation
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
  • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
  • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
  • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
• • 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
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02E60/10—Energy storage using batteries
• • 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
  • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
• • 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
  • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• • 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
  • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02T90/10—Technologies relating to charging of electric vehicles
  • Y02T90/12—Electric charging stations
• • 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
  • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02T90/10—Technologies relating to charging of electric vehicles
  • Y02T90/14—Plug-in electric vehicles
• • 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
  • Y10T29/49815—Disassembling
  • Y10T29/49822—Disassembling by applying force
  • Y10T29/49824—Disassembling by applying force to elastically deform work part or connector
• • 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
  • Y10T29/49863—Assembling or joining with prestressing of part
  • Y10T29/4987—Elastic joining of parts
• • 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
  • Y10T29/53—Means to assemble or disassemble
  • Y10T29/53796—Puller or pusher means, contained force multiplying operator

Definitions

• the present invention relates to a method of fixing a battery on a motor vehicle and to a method of removing the battery of the motor vehicle. It also relates to a chassis of a motor vehicle having means suitable for implementing the methods. It also relates to an electric battery having means suitable for implementing the process method. It also relates to a device having means suitable for implementing the methods. Finally, it relates to an assembly, such as a motor vehicle, comprising such a chassis and / or such an electric battery. It also relates to a tool for mounting an electric battery on a chassis and a dismantling tool for an electric battery of a chassis. Some motor vehicles, such as electric or hybrid vehicles, include a battery pack for an electric drive motor.
• Document JP 2000 85375 discloses a device for attaching an electric power supply battery for a drive motor of an electric vehicle to a chassis of this electric vehicle.
• WO2008 / 128991 discloses a system for fixing a battene of a motor vehicle, comprising a quarter-turn fastening means on the battery which comprises a lock to be positioned in a hole of the vehicle and then turned by a quarter turn to secure the battery on the vehicle.
• the object of the invention is to provide a method of fixing a battery on a vehicle and a method of removing the vehicle battery that are compatible with the constraints mentioned above.
• the invention provides a simple method of fixing / removal, reliable and robust for disassembly and reassembly easy and fast battery.
• the device for fixing a removable electric battery to a chassis of a motor vehicle is characterized in that it comprises a first quarter-turn fixing means intended to be integral with the chassis of the motor vehicle and a second quarter-turn fixing means intended to be integral with the electric battery, the first and second quarter-turn fastening means being intended to cooperate to secure the electric battery to the chassis of the motor vehicle.
• the first fixing means may comprise a shaft intended to be integral with the chassis of the motor vehicle, in particular a shaft comprising flats and / or notches.
• This feature makes it possible to carry the clutch function of the battery essentially by the vehicle, which reduces the cost of battery manufacturing, at the expense of a small increase in the cost of manufacturing the vehicle, however preferable for a manufacturer of electric vehicles when the batteries of these vehicles are also managed by him.
• the first fixing means may comprise a force recovery means.
• This means of recovery forces can lock an electric battery, several hundred kilograms, on an electric vehicle, without it being lifted or the user does not feel a significant jolt, when the battery is positioned under the vehicle for locking. Indeed a very important tension must be exerted on the chassis of the vehicle in order to be able to lock the battery.
• the second fixing means may comprise a locking element intended to be mounted rotatably with respect to the battery and intended to cooperate with the first fixing means.
• the locking member may comprise an elongate opening, for example rectangular or oblong.
• the locking element can be rotatably mounted on a bell intended to be secured to the battery.
• the first fixing means and / or the second fixing means may comprise an elastic means intended to exert a force recalling the first and second fixing means and / or the frame and the battery in a relative rest position.
• This elastic means consists for example of rubber studs, cheaper than the use of "Belleville" washers.
• the chassis of a motor vehicle is characterized in that it comprises a first quarter-turn fastening means intended to cooperate with a second quarter-turn fastening means provided on an electric battery for fixing the electric battery to the chassis of the motor vehicle.
• the first fixing means may comprise a shaft integral with the chassis of the motor vehicle.
• the first fixing means may comprise an elastic means intended to exert a force recalling the first and second fixing means and / or the frame and the battery in a relative position of rest.
• the electric power supply battery of an electric motor drive motor vehicle is characterized in that it comprises a second quarter-turn fastening means for cooperating with a first quarter fixing means turn to attach the electric battery to the chassis of the motor vehicle.
• the second fixing means may comprise a locking element mounted to rotate with respect to the battery and intended to cooperate with the first fixing means.
• the locking element can be rotatably mounted on a bell integral with the battery.
• the second fixing means may comprise an elastic means for exerting a force recalling the first and second fixing means and / or the frame and the battery in a relative position of rest.
• the method of removing an electric battery from a chassis of a motor vehicle is characterized in that it comprises the following steps:
• the method of fixing an electric battery to a chassis of a motor vehicle is characterized in that it comprises the following steps:
• the assembly in particular a motor vehicle and in particular an electric motor vehicle, comprises an electric battery defined above and a previously defined chassis.
• the tool for attaching and / or removing an electric battery defined above relative to a previously defined chassis is characterized in that it comprises means for applying a force approximation force to the battery electrical and chassis and / or a means of moving a locking element and / or a means of recovery of the force of approximation of the electric battery and the frame.
• the electric battery, the frame, the methods, the assembly and the fixing tool according to the invention have advantages similar to those of the device according to the invention as presented above.
• the appended drawing represents, by way of example, one embodiment of a removal method according to the invention and means, in particular a removable fixing device, an electric battery, a motor vehicle chassis, enabling implement such a method.
• Figures 1, 3, 4, 6, 7, 8, 9 and 10 are schematic views illustrating the main steps of an embodiment of the dispensing method according to the invention.
• Figures 2 and 5 are cross-sectional views of a fastening device according to the invention.
• Figure 1 1 is a longitudinal sectional view of a first battery carrier variant.
• Figure 12 is a top view of a battery according to the invention.
• Figure 13 is a top view of a bell and a locking member of a battery according to the first variant.
• Figures 14 and 15 are longitudinal sectional views of a second alternative battery carrier, in two different configurations.
• Figures 16 and 17 are side views of a shaft used in the fixing device according to the invention.
• elastic means means any means elastically deforming under the effect of a force.
• quarter-turn fastening is meant any fastening means of which two parts can be removably assembled by a first action of translation of one of the parts relative to the other, then by a rotation action of the one of the parts relative to the other, preferably a quarter-turn rotation.
• the rotation action may nevertheless have an amplitude other than a quarter turn, in particular a half-turn or three-quarter turn.
• At least substantially quarter turn means “a quarter turn” or “substantially a quarter turn”.
• the motor vehicle 100 mainly comprises a chassis 2 and an electric battery support 6 (not shown), in particular an electric power supply battery.
• a driving motor of the motor vehicle mainly comprises a chassis 2 and an electric battery support 6 (not shown), in particular an electric power supply battery.
• the electric battery is intended to be fixed to the chassis.
• the battery can be attached under the chassis. It can be located in a housing accessible from below the chassis of the motor vehicle. Therefore, after setting up the battery in its housing, a lower portion of the battery remains accessible from below the vehicle, in particular from below the chassis.
• the motor vehicle 100 comprises in particular a device 1 for detachably attaching a battery holder 6 to the chassis 2 of the motor vehicle.
• the electrical energy storage element of the battery is secured to the support 6.
• the removable fixing device comprises a first quarter-turn fastening means 4 provided on the chassis of the motor vehicle and a second quarter fixing means 8, 9 turn provided on the electric battery.
• the first and second quarter turn fasteners are intended to cooperate to secure the electric battery to the chassis of the motor vehicle.
• the first quarter-turn fixing means comprises for example a shaft 4 having an axis 50 and integral with the chassis 2 of the motor vehicle, in particular integral with a plate 3 fixed to the frame.
• this shaft comprises a first section 15 of square or circular shape at the plane of the section 11-11 of Figure 1 and a second section 13 of rectangular shape below this plane. Other forms of section are possible to provide the quarter turn fastening which is described in more detail later.
• the shaft comprises a means 70 such as a first shoulder for taking up the forces applied by a tool on the battery or on a support integral with the battery when assembly and disassembly.
• the shaft also comprises a means 71 as a second shoulder for cooperating with the second fixing means.
• this tree has a global shape of revolution on which have been made symmetrically, two flats (visible in Figure 16, represented by crosses).
• the second quarter-turn fixing means comprises a locking element 9 rotatably mounted relative to the battery and intended to cooperate with the first fixing means.
• this locking element is rotatable relative to the battery about an axis 60 coincides with the axis 50 of the shaft 4 when the battery is placed on the chassis of the motor vehicle.
• the locking element can be made by means of a washer having an opening 14 in which the first section 15 of the shaft 4 can rotate about the axis 50 and in which the second section 13 of the shaft 4 can translate along the axis 50 without it being able to rotate by a given amount around this axis.
• the section of the opening 14 is defined as the union of a circle and a rectangle.
• the locking element 9 allows, with the shaft 4, quarter-turn fixing as follows:
• the locking element 9 is oriented and displaced in a first direction along the axis 50 along a shaft portion 4 having the second section 13,
• the locking member is rotated about the axis 50 relative to the shaft 4, preferably at least substantially a quarter of a turn.
• the opening 14 may simply have an elongated shape, for example rectangular or oblong.
• the locking member 9 is rotatably mounted on a bell 8 integral with a plate 7 and forming with it the battery holder.
• the locking element can be mounted at the bottom 81 of the bell.
• the bottom of the bell has grooves 25 for guiding and limiting the movement of the locking member 9 relative to the bell. These grooves are intended to cooperate with fingers 26 provided on the locking element and acting on a detection means, for example a switch, for determining the "unlocked" or "locked” state of the battery on the chassis.
• the grooves may also have indexing means 40 for indexing in position, at the ends of the grooves, these extreme positions corresponding to two "locked" and “unlocked” states of the first and second quarter-turn fixing means.
• the indexing means may for example comprise small bosses 40 in the aforementioned grooves. Alternatively, they may comprise bosses and holes designed to cooperate with each other on faces facing parts 8 and 9.
• the locking element 9 is rotatably mounted in a bell 8 'integral with the plate 7 and forming, with it, the battery holder 6.
• a segment 205 placed in the bell stops in translation the element of This segment 205 comprises elastic elements 206 pressing on the locking element to recall it in contact with the bottom of the bell.
• the locking element is traversed by one or more pins 202.
• a first end 203 of a pin allows the rotation of the locking element by a tool and a second end 204 of a pin allows indexing in position of the locking element relative to the bell.
• This second end is shaped boss constituting a projection on the face of the locking member at the bottom of the bell.
• This second end shaped boss cooperates with one or more holes 201, including one or more blind holes, provided in the bottom of the bell.
• Pieces and holes are indexing means.
• the locking member and the bell are shown in an indexed position, two ends 204 of pins being engaged in the holes in the bottom of the bell.
• the locking member and the bell are shown in a non-indexed position, the ends 204 of the pins not being engaged in the holes in the bottom of the bell.
• the locking element may have a finger passing through the bottom of the bell and cooperating with a detection means to determine the "locked" or "unlocked” configuration of the fixing device.
• means for guiding and / or limiting the movement of the locking element in the bell may be provided.
• the means for guiding and / or limiting the movement may have a finger integral with the locking element and passing through the bottom of the bell in a groove.
• Double-acting elastic elements 29 and / or single-acting elastic elements 29 make it possible to elastically center the bell in the opening 82 and to press it against the first face.
• the elastic elements are fixed to the bell via lugs 23 fitted into holes made on the bell.
• the double-acting elastic elements 29 comprise first elastic lamellae 21 bearing on the bell on the one hand, and on the walls of the opening 82 on the other hand, to ensure an elastic centering and comprise second elastic lamellae 22 bearing on a second face of the plate to ensure the elastic plating of the first face of the plate on the shoulder 83.
• the single-acting elastic elements 29 comprise first elastic strips 21 resting on the bell on the one hand, and on walls of the opening 82 on the other hand, to ensure an elastic centering.
• the bell can be displaced relative to the plate along the longitudinal axes X and transverse Y (perpendicular to the axis 50) of a limited amplitude, for example from 5 mm to 10 mm and typically 6 mm.
• the removable fixing device comprises an elastic means 5 disposed at the chassis-electric battery interface and intended to exert a return force of removal of the first and second fixing means and / or the first and second fixing means .
• the elastic means may comprise one or more pads 5 of elastomeric material.
• any elastic means may be suitable, in particular a spring.
• the elastic means can comprise first means integral with the chassis of the motor vehicle and second means integral with the battery. The elastic means makes it possible to apply a stressing force between the frame and the battery so as to immobilize the latter, relative to one another, in translation along the X and Y axes by means of friction phenomena at the battery - chassis interface.
• the battery 6 is fixed on the motor vehicle 100.
• the tool is approached from the battery.
• the first main element 12 of the tool is coupled first quarter-turn fastening means 4.
• this coupling is also produced by a quarter-turn connection as shown in FIG.
• the first main element of the tool comprises a third quarter-turn fixing means intended to cooperate with the fourth quarter-turn fixing means secured to the chassis.
• the third fastening means has an opening 18 in which a third section 31 of the shaft 4 (for example identical to the first section 15) can rotate about the axis 50 and in which a fourth section 30 of the shaft 4 (for example identical to the second section 15) can translate along the axis 50 without it being able to rotate a given amount about this axis.
• the section of the opening 18 is defined as the union of a circle and a rectangle.
• the first main tool element allows with the shaft 4 quarter-turn fixing as follows:
• the first main element 12 of the tool is oriented and displaced in a first direction along the axis 50 along a shaft portion 4 having the fourth section 30,
• the locking member is rotated about the axis 50 relative to the shaft 4, preferably at least substantially a quarter of a turn.
• the function of the first main element of the tool is to take up the forces along the axis 50 (in particular the vertical forces directed upwards) which will subsequently be applied to the battery and, consequently, to the motor vehicle, so that these efforts have no consequences elsewhere on the motor vehicle.
• a third step shown in Figure 6 it brings a second main element 10 of the tool in contact with the battery holder 6, including a plate 7 of the battery holder or in contact with the battery.
• This second main element has the function of exerting on the battery a force F1 along the axis 50 (in particular a vertical force directed upwards) to compress the elastic means 5 and, thus, to cancel the contact existing between the first means in particular, to cancel the contact of the locking element 9 with a shoulder of the shaft 4.
• the recovery of this effort or part of this effort is ensured, as mentioned above. by the first main element of the tool which exerts a force F2 opposed to the force F1.
• a third main element 1 1 of the tool is brought into contact with the locking element and, by virtue of this third element, a displacement of rotation about the axis 50 is applied. of the locking member with respect to the battery and with respect to the first quarter turn fixing means.
• the rotational displacement is at least substantially a rotational movement of a quarter turn.
• the third main element of the tool comprises for example holes 28 for receiving pins 24 provided on the locking element.
• the first main element 12 of the tool is disengaged from the first quarter-turn fixing means 4 and away from it, for example in a translational movement.
• the second main element 10 of the tool is also moved down while maintaining the battery. Thus, the battery is away from the motor vehicle.
• the sixth and seventh steps can be performed simultaneously.
• the battery In an initial state, the battery is separated from the motor vehicle.
• the assembly is carried out thanks to the tool described above.
• the battery is approached from the chassis of the motor vehicle.
• the first main element 12 of the tool is coupled to the first quarter-turn fixing means 4 as in the removal process.
• the second main element 10 of the tool is brought into contact with the battery and the battery is applied against the chassis of the motor vehicle by exerting on it, or on a support thereof, a force F1 along the axis 50 (in particular a vertical force directed upwards) to compress the elastic means 5.
• a force F1 along the axis 50 in particular a vertical force directed upwards
• a fourth step bringing the third main element 1 1 of the tool into contact with the locking element and applying, thanks to this third element, a rotational movement about the axis 50 of the element of locking relative to the battery and relative to the first quarter-turn fastening means.
• the rotational displacement is at least substantially a rotational movement of a quarter turn.
• the battery is fixed to the chassis of the motor vehicle.
• the third main element of the tool is disengaged from the locking element and away from it.
• a sixth step the force applied by the second main element of the tool on the battery is canceled and the first main element of the tool is disconnected from the first quarter-turn fastening means 4.
• the first and second main elements of the tool are remote from the battery.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Mechanical Engineering (AREA)
• General Chemical & Material Sciences (AREA)
• Transportation (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Electrochemistry (AREA)
• Power Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Aviation & Aerospace Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Combustion & Propulsion (AREA)
• Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
• Battery Mounting, Suspending (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=42028189

Family Applications (1)

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Family Cites Families (13)

• 2009
  • 2009-12-21 FR FR0959271A patent/FR2954593B1/fr not_active Expired - Fee Related
• 2010
  • 2010-11-22 JP JP2012545371A patent/JP2013514939A/ja not_active Withdrawn
  • 2010-11-22 EP EP10799089A patent/EP2517280A1/fr not_active Withdrawn
  • 2010-11-22 KR KR1020127019351A patent/KR20120123364A/ko not_active Application Discontinuation
  • 2010-11-22 US US13/517,205 patent/US20120305323A1/en not_active Abandoned
  • 2010-11-22 CN CN2010800642836A patent/CN102763240A/zh active Pending
  • 2010-11-22 WO PCT/FR2010/052475 patent/WO2011083219A1/fr active Application Filing

Non-Patent Citations (1)

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