CN107336601A - A kind of drive axle for electric vehicle - Google Patents

A kind of drive axle for electric vehicle Download PDF

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Publication number
CN107336601A
CN107336601A CN201710413245.0A CN201710413245A CN107336601A CN 107336601 A CN107336601 A CN 107336601A CN 201710413245 A CN201710413245 A CN 201710413245A CN 107336601 A CN107336601 A CN 107336601A
Authority
CN
China
Prior art keywords
driving
central gear
hollow shaft
protruding block
axletree
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.)
Pending
Application number
CN201710413245.0A
Other languages
Chinese (zh)
Inventor
钱明奎
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.)
Jiashan Rui Yi Electronic Science And Technology Co Ltd
Original Assignee
Jiashan Rui Yi Electronic Science And Technology 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 Jiashan Rui Yi Electronic Science And Technology Co Ltd filed Critical Jiashan Rui Yi Electronic Science And Technology Co Ltd
Priority to CN201710413245.0A priority Critical patent/CN107336601A/en
Publication of CN107336601A publication Critical patent/CN107336601A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • B60K17/046Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • B60B35/121Power-transmission from drive shaft to hub
    • B60B35/122Power-transmission from drive shaft to hub using gearings
    • B60B35/125Power-transmission from drive shaft to hub using gearings of the planetary type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • B60B35/16Axle housings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/12Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Retarders (AREA)

Abstract

The invention discloses a kind of drive axle for electric vehicle, including driving axle housing, motor, hollow shaft, connecting shaft, central gear, planetary stage, differential gearing, left half axletree, right half axletree and driving body, motor Driven by Coaxial hollow shaft, hollow shaft is rotatably connected with central gear and can slid axially, connecting shaft includes inner edge profile and outer margin contour, driving body is located at the periphery of central gear and axially arranged with inner edge profile, driving body is in accommodating chamber, the side of driving body is provided with annular construction member, planetary stage is connected with central gear transmission, differential gearing is connected with planetary stage transmission, left half axletree and right half axletree are connected with the both ends of differential gearing respectively, the support shaft at the both ends of driving axle housing is detachably connected with driving axle housing.The present invention is simple in construction, and assembly and disassembly are convenient, inefficent loss and will not increase abrasion, solves the problems, such as that conventional ADS driving bridge is axially supporting well.

Description

A kind of drive axle for electric vehicle
Technical field
The present invention relates to drive axle field, is related specifically to a kind of drive axle for electric industrial vehicle.
Background technology
Drive axle is to change rotating speed and torque from speed changer positioned at power train end, and passes them to driving The mechanism of wheel.In the prior art, electric industrial vehicle is (such as:Fork truck) drive axle mainly include motor, planetary gear and Drive shaft, motor are coaxially disposed with drive shaft and drive drive shaft turns, and two decelerations for passing through corresponding output end Device and planetary stage combination transmission output shaft.But traditional drive axle is made an uproar in high vehicle speeds by being inevitably generated Sound, particularly it is particularly acute in the driving startup stage of drive shaft.It is traditional by the way of pressure rings, planetary helical teeth A part for the axial force of wheel will be consumed in pressure rings, substantially reduce drive efficiency;Meanwhile pressure rings are produced with circumferential component Raw friction, considerably increases the abrasion of drive axle part, reduces the service life of drive axle.
The content of the invention
It is an object of the invention to for deficiency of the prior art, there is provided a kind of drive axle for electric vehicle, with Solve the above problems.
Technical problem solved by the invention can be realized using following technical scheme:
A kind of drive axle for electric vehicle, including driving axle housing and motor, sky in driving axle housing Mandrel, connecting shaft, central gear, planetary stage, differential gearing, left half axletree, right half axletree and at least two driving bodies, driving Motor coaxle driving hollow shaft forms drive shaft, and hollow shaft is rotatably connected with central gear, and can be along the axial direction of central gear Slide, connecting shaft is located between hollow shaft and central gear, and connecting shaft includes the inner edge profile of close hollow shaft side and leaned on The outer margin contour of nearly central gear side, driving body is located at the periphery of central gear and, hollow shaft axially arranged with inner edge profile With offered respectively on the opposite face of central gear with the shape of driving body be adapted aperture and groove, aperture and groove it is relative Setting forms accommodating chamber, and in accommodating chamber, the side of driving body is provided with to be used to prevent driving body from from intracavitary is accommodated falling driving body The annular construction member gone out, planetary stage are connected with central gear transmission, and differential gearing is driven located at the lower end of planetary stage and with planetary stage It is connected, left half axletree and right half axletree are connected with the both ends of differential gearing respectively, and left half axletree is arranged in hollow shaft, drive axle The both ends of shell are respectively equipped with support shaft, and support shaft is detachably connected with driving axle housing.
Further, the motor, hollow shaft and planetary stage at least have one respectively, and at least one planetary stage is used In driving moment.
Further, the driving body is spheroid, and the corresponding accommodating chamber is the spherical cavity being adapted with spheroid form Body, spheroid fit in accommodating chamber and with the inwall of accommodating chamber.
Further, the driving body is cylindrical roller, and the corresponding accommodating chamber is and cylindrical roller shape phase The cavity of the cylinder shape of adaptation, cylindrical roller in the accommodating chamber, the curved wall of cylindrical roller respectively with aperture and recessed Groove fits, and the axial direction of cylindrical roller and the axial direction of connecting shaft are perpendicular.
Further, in addition to controller, First Speed sensor and the are respectively equipped with left half axletree and right half axletree Two velocity sensors, controller electrically connect with First Speed sensor, second speed sensor and motor respectively.
Further, the hollow shaft is provided with the circlip for axial restraint annular construction member;Annular construction member is along driving body Periphery set, and be sheathed in hollow shaft.
Further, the driving axle housing includes left end shell, enclosure body and the right-hand member shell set gradually, left end shell and the right side End housing is detachably connected by locking screw spigot with enclosure body respectively.
Further, the first protruding block and are respectively equipped with the enclosure body with the junction of left end shell and right-hand member shell Two protruding blocks, the first protruding block and the second protruding block are set along the raised axially outward of left half axletree, on left end shell and right-hand member shell It is respectively equipped with first projecting slot and second projecting slot adaptable with the first protruding block and the second protruding block, the first projecting slot and the Two projecting slots cover on the first protruding block and the second protruding block respectively, are offered respectively in the first protruding block and the first projecting slot First perforate, locking screw spigot include the first locking screw spigot and the second locking screw spigot, and the first locking screw spigot is arranged in In one perforate and the first protruding block and the first projecting slot are locked and are connected, the setting direction of the first locking screw spigot and left half axletree Axial direction it is perpendicular;The second perforate is offered on second protruding block and the second projecting slot respectively, the second locking screw spigot is arranged in In second perforate and the second protruding block and the second projecting slot are locked and are connected, the setting direction of the second locking screw spigot and left half car The axial direction of axle is perpendicular.
Compared with prior art, beneficial effects of the present invention are as follows:
The present invention by driving body along central gear be radially arranged and it is axially arranged with inner edge profile, driving body is located at aperture In the accommodating chamber of groove composition, make driving body axially directed on the driving shaft or drive central gear.Hollow shaft and sun tooth Wheel is rotatable to be connected, and can sliding axially along central gear, being rotated by spheroid or cylindrical roller in accommodating chamber makes sky Reliably it is driven between mandrel, connecting shaft, central gear and planetary stage, the axial force in transmission process will not be consumed and will not be produced Abrasion, effectively prevent the loss that the responsive to axial force inside traditional drive axle causes energy in pressure rings.Present invention knot Structure is simple, and support shaft is detachably connected with driving axle housing can be such that drive axle internal component is carried out again to driving axle housing after assembling Installation, assembly and disassembly are convenient, inefficent loss and will not increase abrasion, solve drive axle well in axial branch The problem of holding, noise is small, and drive efficiency is high and service life is grown.It is engaged using locking screw parent part with protruding block and projecting slot Mode connect, will not also cause even if when locking screw parent part loosens between left/right end housing and enclosure body occur pine It is dynamic to cause to connect unreliable, greatly enhance the security used.
Brief description of the drawings
Fig. 1 is the structural representation of the drive axle of the present invention for electric vehicle.
Fig. 2 is Fig. 1 of the present invention partial enlarged drawing.
Fig. 3 is partial enlarged drawing of the drive axle of the present invention for electric vehicle using optimization connected mode.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to Embodiment, the present invention is expanded on further.
Referring to Fig. 1~Fig. 3, a kind of drive axle for electric vehicle of the present invention, including driving axle housing and set In the motor 20 in driving axle housing, hollow shaft 30, connecting shaft 40, central gear 50, planetary stage 60, differential gearing 70, a left side Half axletree 81, right half axletree 82 and at least two driving bodies 90.The Driven by Coaxial hollow shaft 30 of motor 20 forms drive shaft. The driving torque of motor 20 is transferred to connecting shaft 40 via hollow shaft 30, is then transferred to central gear 50 and planetary stage 60.Hollow shaft 30 is rotatably connected with central gear 50, and can sliding axially along central gear 50, pass through the He of outer margin contour 41 Inner edge profile 42 realizes the radial clearance balance of load.Rotation between central gear 50 and drive shaft is fixed, but passes through connection The outer margin contour 41 of axle 40 makes central gear 50 and drive shaft be movably connected, and can move to axial.Connecting shaft 40 is located at sky Between mandrel 30 and central gear 50, connecting shaft 40 is included close to the inner edge profile 42 of the side of hollow shaft 30 and close to sun tooth Take turns the outer margin contour 41 of 50 sides.Driving body 90 is located at the periphery of central gear 50 and axially arranged with inner edge profile 42.It is hollow The aperture 31 being adapted with the shape of driving body 90 and groove 51, hole are offered on the opposite face of axle 30 and central gear 50 respectively Mouth 31 and groove 51 are oppositely arranged to form accommodating chamber, and driving body 90 is in accommodating chamber.The side of driving body 90, which is provided with, to be used to prevent The annular construction member 91 that only driving body 90 drops out from receiving intracavitary.Planetary stage 60 is connected with the transmission of central gear 50.Differential gearing 70 It is connected located at the lower end of planetary stage 60 and with the transmission of planetary stage 60.Left half axletree 81 and half axletree 82 of the right side respectively with differential gearing 70 Both ends be connected, left half axletree 81 is arranged in hollow shaft 30.The both ends of driving axle housing are respectively equipped with support shaft 15, support shaft 15 Detachably it is connected with driving axle housing.
Motor 20, hollow shaft 30 and planetary stage 60 at least have one respectively, the spiral row of wherein at least one The driving torque of star 60 rotates driving wheel of vehicle.Hollow shaft 30 is driven by motor 20 and rotated, and passes through connecting shaft 40 coordinate operating with central gear 50, have end-play between hollow shaft 30 and central gear 50.Central gear 50 and driving Axle is detachably connected.Connecting shaft 40 transmits torque of the hollow shaft 30 to planetary stage 60 by central gear 50, and has enough Radial clearance, planetary stage 60 and its ambient compensation tolerance of surrounding and deformation are compensated by the compensation campaign of central gear 50. The torque of planetary stage 60 is passed to differential gearing 70, and the torque of the axletree 81 of a left side half and right half axletree 82 is assigned to driving car Wheel.
Drive axle also includes controller, and First Speed sensor and the are respectively equipped with the axletree 81 of a left side half and right half axletree 82 Two velocity sensors, controller electrically connect with First Speed sensor, second speed sensor and motor 20 respectively.Pass through First Speed sensor, second speed sensor detection axletree rotating speed and signal is passed into controller, the letter in controller Number comparison module sends the control signal to motor 20 after being carried out to two tach signals, so as to effective regulation speed.
For the axial force of central gear 50 caused by helical gear of the absorption in planetary stage 60, the present invention uses Central gear 50 and hollow shaft 30 are arranged to detachably be connected with support shaft 15.Driving body 90 can be spheroid, or Cylindrical roller.When driving body 90 is using cylindrical roller supporting axial force, aperture 31 and the shape and cylinder of groove 51 The profile of roller is adapted, and the axial direction of cylindrical roller and the axial direction of connecting shaft 40 are perpendicular, hollow shaft 30, connecting shaft 40th, central gear 50 and planetary stage 60 cylindrical roller during transmission can rotate but without absorption in accommodating chamber Axial force in transmission process.
Driving body 90 is made up of the small material of coefficient of friction.Driving body 90 can be spheroid, and the corresponding accommodating chamber is The spherical cavity being adapted with spheroid form, spheroid fit in accommodating chamber and with the inwall of accommodating chamber.
Driving body 90 can be cylindrical roller, and the corresponding accommodating chamber is the post being adapted with cylindrical roller shape The cavity of the bodily form, cylindrical roller in the accommodating chamber, the curved wall of cylindrical roller respectively with aperture 31 and the phase of groove 51 Fitting, the axial direction and the axial direction of connecting shaft 40 of cylindrical roller are perpendicular.
Aperture 31 is radial hole or transverse holes.Aperture 31 is opened in hollow shaft 30, when driving body 90 is spheroid, each Aperture 31 and the shape of spheroid are adapted.In the periphery of central gear 50 at least provided with two or more spheroids.Central gear 50 On open up the groove 51 of a circumferential.Groove 51 is located at towards on the periphery of the hollow shaft 30 of central gear 50, central gear It is axial arranged between 50 groove 51 and the inner edge profile 42 of connecting shaft 40.After central gear 50 and hollow shaft 30 assemble, spheroid It is inserted into accommodating chamber, spherical part is located at the aperture 31 of hollow shaft, and part is in the groove 51 of central gear 50.Ball Body can freely rotate in accommodating chamber, can transmit the axial direction of central gear 50 and hollow shaft 30 in the two directions by spheroid Power.The size of groove 51 and spheroid on central gear 50 is adapted, and spheroid is diametrically played a role, so that hollow shaft 30 and the radial motion power of central gear 50 be compensated.
In order to prevent spheroid from being dropped out from aperture 31, can be pushed away by annular construction member 91 or the like via hollow shaft 30 Pressure, the radial direction of accommodating chamber is sealed by annular construction member 91, so that the radially movable of spheroid is protected.Hollow shaft 30, which is provided with, to be used In the circlip 92 of axial restraint annular construction member 91.Circlip 92 is arranged in hollow shaft 30, so as to solid well on axial direction Determine annular construction member 91, well prevent the axial displacement of annular construction member 91 under assembled state.Annular construction member 91 is along driving body 90 periphery is set, and is sheathed in hollow shaft 30.
Driving axle housing includes left end shell 11, enclosure body 12 and the right-hand member shell 13 set gradually, left end shell 11 and right-hand member shell 13 are detachably connected by locking screw spigot 14 with enclosure body 12 respectively.
Traditional connection side can be used by locking screw spigot 14 between left end shell 11, enclosure body 12 and right-hand member shell 13 Formula is joined directly together, i.e., locking screw spigot 14 is each passed through into left end shell 11 and enclosure body 12 along the axial direction of left half axletree 81 respectively And it is locked between enclosure body 12 and right-hand member shell 13.But this sample loading mode is used to be used when drive axle to a timing Between after locking screw spigot 14 will inevitably loosen.Once locking screw spigot 14 loosens, i.e., it can make left end shell 11 Axial play occurs for the connection between enclosure body 12 or enclosure body 12 and right-hand member shell 13, so that in driving axle housing Part produce loosening make to be connected between each part it is unreliable, cause the normal works of all parts in driving axle housing by Serious influence.
Therefore, optimization connected mode will be used to make to be reliably connected between left end shell 11, enclosure body 12 and right-hand member shell 13.It is excellent Changing connected mode includes:The first protruding block 121 is respectively equipped with enclosure body 12 with the junction of left end shell 11 and right-hand member shell 13 With the second protruding block, the first protruding block 121 and the second protruding block are set along the raised axially outward of left half axletree 81, left end shell 11 It is convex with the first projecting slot 111 and second for being respectively equipped with adaptable with the first protruding block 121 and the second protruding block on right-hand member shell 13 Grooving, the first projecting slot 111 and the second projecting slot cover on the first protruding block 121 and the second protruding block respectively, and first is raised The first perforate is offered in the projecting slot 111 of block 121 and first respectively, locking screw spigot 14 includes the He of the first locking screw spigot 141 Second locking screw spigot, the first locking screw spigot 141 are arranged in the first perforate and by the first protruding block 121 and the first projecting slots 111 lockings are connected, and the setting direction of the first locking screw spigot 141 and the axial direction of left half axletree 81 are perpendicular.Second protruding block and Offer the second perforate in second projecting slot respectively, the second locking screw spigot be arranged in the second perforate and by the second protruding block and The locking of second projecting slot is connected, and the setting direction of the second locking screw spigot and the axial direction of left half axletree 81 are perpendicular.Using so Mode will be connected between left end shell 11 and enclosure body 12 and enclosure body 12 and right-hand member shell 13, even if when the first clamping screw The locking screw spigot of part 141 or second loosens, and does not also interfere with the normal work of drive axle.With the first locking screw spigot 141 Exemplified by loosening, when the first locking screw spigot 141 loosens, the first bolt part 141 will be in the first perforate along vertical Relatively moved in the direction of the first protruding block 121 or the first projecting slot 111, due to the locking side of the first locking nut 141 To perpendicular with the closure of left end shell 11 and enclosure body 12, therefore left end shell 11, enclosure body 12 can't be caused to send out It is unreliable that raw loosening causes to connect, and greatly enhances the security used.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (8)

  1. A kind of 1. drive axle for electric vehicle, it is characterised in that:Drive including driving axle housing and in driving axle housing Dynamic motor, hollow shaft, connecting shaft, central gear, planetary stage, differential gearing, left half axletree, right half axletree and at least two drive Kinetoplast, motor Driven by Coaxial hollow shaft form drive shaft, and hollow shaft is rotatably connected with central gear, and can be along sun tooth Wheel is slid axially, and connecting shaft is located between hollow shaft and central gear, and connecting shaft includes taking turns close to the inner edge of hollow shaft side Outer margin contour wide and close to central gear side, driving body are axially set located at the periphery of central gear and with inner edge profile Put, offer the aperture being adapted with the shape of driving body and groove, aperture on the opposite face of hollow shaft and central gear respectively Be oppositely arranged to form accommodating chamber with groove, driving body in the accommodating chamber, the side of driving body be provided be used to preventing driving body from The annular construction member dropped out in accommodating chamber, the transmission of planetary stage and central gear are connected, differential gearing be located at the lower end of planetary stage and with Planetary stage transmission is connected, and left half axletree and right half axletree are connected with the both ends of differential gearing respectively, and left half axletree is arranged in hollow In axle, the both ends of driving axle housing are respectively equipped with support shaft, and support shaft is detachably connected with driving axle housing.
  2. 2. the drive axle according to claim 1 for electric vehicle, it is characterised in that:The motor, hollow shaft At least there is one respectively with planetary stage, at least one planetary stage is used for driving moment.
  3. 3. the drive axle according to claim 1 for electric vehicle, it is characterised in that:The driving body is spheroid, phase The accommodating chamber answered is the spherical cavity being adapted with spheroid form, spheroid in the accommodating chamber and with the inwall phase of accommodating chamber Fitting.
  4. 4. the drive axle according to claim 1 for electric vehicle, it is characterised in that:The driving body is cylindrical roller Son, the corresponding accommodating chamber are the cavity for the cylinder shape being adapted with cylindrical roller shape, and cylindrical roller is located at receiving Intracavitary, the curved wall of cylindrical roller fit with aperture and groove respectively, the axial direction of cylindrical roller and the axle of connecting shaft To perpendicular.
  5. 5. the drive axle according to claim 1 for electric vehicle, it is characterised in that:Also include controller, Zuo Banche First Speed sensor and second speed sensor are respectively equipped with axle and right half axletree, controller senses with First Speed respectively Device, second speed sensor and motor electrical connection.
  6. 6. the drive axle according to claim 1 for electric vehicle, it is characterised in that:The hollow shaft, which is provided with, to be used for The circlip of axial restraint annular construction member;Periphery of the annular construction member along driving body is set, and is sheathed in hollow shaft.
  7. 7. the drive axle according to claim 1 for electric vehicle, it is characterised in that:The driving axle housing is included successively Left end shell, enclosure body and the right-hand member shell of setting, left end shell and right-hand member shell are removable by locking screw spigot and enclosure body respectively Unload connected.
  8. 8. the drive axle according to claim 7 for electric vehicle, it is characterised in that:In the enclosure body with left end The junction of shell and right-hand member shell is respectively equipped with the first protruding block and the second protruding block, the first protruding block and the second protruding block edge left half The raised axially outward of axletree is set, and is respectively equipped with left end shell and right-hand member shell and is adapted with the first protruding block and the second protruding block The first projecting slot and the second projecting slot, the first projecting slot and the second projecting slot cover at the first protruding block and second raised respectively On block, the first perforate is offered on the first protruding block and the first projecting slot respectively, locking screw spigot includes the first locking screw spigot With the second locking screw spigot, the first locking screw spigot is arranged in the first perforate and locks the first protruding block and the first projecting slot It is connected, the setting direction of the first locking screw spigot and the axial direction of left half axletree are perpendicular;On second protruding block and the second projecting slot Offer the second perforate respectively, the second locking screw spigot is arranged in the second perforate and by the second protruding block and the second raised slot lock Tight to be connected, the setting direction of the second locking screw spigot and the axial direction of left half axletree are perpendicular.
CN201710413245.0A 2017-06-05 2017-06-05 A kind of drive axle for electric vehicle Pending CN107336601A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710413245.0A CN107336601A (en) 2017-06-05 2017-06-05 A kind of drive axle for electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710413245.0A CN107336601A (en) 2017-06-05 2017-06-05 A kind of drive axle for electric vehicle

Publications (1)

Publication Number Publication Date
CN107336601A true CN107336601A (en) 2017-11-10

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ID=60221374

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710413245.0A Pending CN107336601A (en) 2017-06-05 2017-06-05 A kind of drive axle for electric vehicle

Country Status (1)

Country Link
CN (1) CN107336601A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101348075A (en) * 2008-07-30 2009-01-21 无锡开普动力有限公司 Drive axle of motor drive
DE102010040738A1 (en) * 2010-09-14 2012-03-15 Zf Friedrichshafen Ag Drive axle for electrical propelled vehicle e.g. forklift, has drive shaft connected with sun gear via shaft-hub connection, and non-destructive detachable connection for axial force support provided between sun gear and drive shaft
CN204149860U (en) * 2014-09-24 2015-02-11 杭叉集团股份有限公司 Motor drives the drive axle of fork truck
CN204278937U (en) * 2014-10-31 2015-04-22 安徽合力股份有限公司 A kind of drive axle for fork truck
CN104890505A (en) * 2015-05-25 2015-09-09 浙江美科斯叉车有限公司 Forklift driving axle wheel hub speed reducing structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101348075A (en) * 2008-07-30 2009-01-21 无锡开普动力有限公司 Drive axle of motor drive
DE102010040738A1 (en) * 2010-09-14 2012-03-15 Zf Friedrichshafen Ag Drive axle for electrical propelled vehicle e.g. forklift, has drive shaft connected with sun gear via shaft-hub connection, and non-destructive detachable connection for axial force support provided between sun gear and drive shaft
CN204149860U (en) * 2014-09-24 2015-02-11 杭叉集团股份有限公司 Motor drives the drive axle of fork truck
CN204278937U (en) * 2014-10-31 2015-04-22 安徽合力股份有限公司 A kind of drive axle for fork truck
CN104890505A (en) * 2015-05-25 2015-09-09 浙江美科斯叉车有限公司 Forklift driving axle wheel hub speed reducing structure

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Application publication date: 20171110

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