CN202978574U - Planet transmission combined motor for electric car - Google Patents
Planet transmission combined motor for electric car Download PDFInfo
- Publication number
- CN202978574U CN202978574U CN2012205913351U CN201220591335U CN202978574U CN 202978574 U CN202978574 U CN 202978574U CN 2012205913351 U CN2012205913351 U CN 2012205913351U CN 201220591335 U CN201220591335 U CN 201220591335U CN 202978574 U CN202978574 U CN 202978574U
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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
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The present utility model relates to a planet transmission combined motor for an electric car, and the motor is suitable for a driving system of the electric car. The motor comprises a planet son motor, a mother motor shell and a planet transmission device; the planet son motor is arranged inside the planet transmission device, the planet transmission device is arranged inside the mother motor shell, the planet son motor is used for driving the mother motor shell through the planet transmission device to output power and torque. The planet son motor comprises a bearing I, a rotating shaft I, a magnetic steel, a rotor, a stator and a sealing ring I; the mother motor shell comprises a sealing ring II, a bearing III, a wheel hub shell, a right end cover and a sealing ring III; and the planet transmission device comprises a stator shell, a middle shaft, a bearing IV, a planet ring gear, a bearing II and a planet wheel. The motor is compact in structure, reasonable in design and low in production costs, the whole motor weight is light compared with the weight of a low speed motor with the same power; 1/3 rare earth magnetic steel materials are saved compared with the low speed motor with the same power; and the motor has good starting characteristic and strong overloading capability; the service life is long, and the transmission noise is low.
Description
Technical field
The utility model relates to a kind of electric vehicle Gear Planet Transmission combination motor, be widely used in the drive system of battery-operated motor cycle, electric automobile, hybrid electric vehicle.
Background technology
The drive motors ubiquity that electric motor car in the market adopts the shortcoming that volume is large, output torque is little, power consumption is high.Motor has improved production cost because volume is large, Heavy Weight makes motor reduce the efficient of assembling due to the impact of weight and volume when producing assembling; Although and volume is little, lightweight motor is easy to assembly, but due to the restriction of motor size, power output is limited, can not satisfy the routine use demand of electric motor car, especially the moment due to output is little, and motor will be weaker than the motor that on market, electric motor car generally adopts aspect grade climbing performance.Simultaneously along with being accompanied by the access system restriction of country to mineral resources, make the rare earth of motor permanent magnetic material, when the river rises the boat goes up for price, also remote-effects the manufacturing cost of motor, so be necessary to design the demand that a kind of motor that can overcome above-mentioned shortcoming comes satisfying the market.
The utility model content
The purpose of this utility model is to provide a kind of electric vehicle Gear Planet Transmission combination motor for above-mentioned weak point, adopt two or more sub-motors to export larger power and moment of torsion by the mode that planetary gear carries out the power combination, had compact conformation, the characteristics that reasonable in design, production cost is low.
Electric vehicle Gear Planet Transmission combination motor takes following technical scheme to realize: electric vehicle Gear Planet Transmission combination motor comprises planet sub-motor, female motor case and planetary driving device; The planet sub-motor is positioned at planetary driving device, and it is inner that planetary driving device is positioned at female motor case, and the planet sub-motor drives female motor case by planetary driving device, power output and moment of torsion;
The planet sub-motor comprises bearing one, rotating shaft one, magnet steel, rotor, stator and sealing ring one; Be expert in the planetesimal motor, be provided with rotating shaft one in the center lumen pore of rotor, the left end of rotating shaft one is set with bearing one, the middle part of rotating shaft one is provided with fitting key, and fitting key is followed successively by sealing ring construction section and planetary gear construction section to right-hand member, is provided with keyway on the planetary gear construction section, the outer wall of rotor is provided with a plurality of all apart from the magnet steel draw-in groove of arranging, in each magnet steel draw-in groove, equal intercalation has magnet steel, and rotor is positioned at the lumen pore of stator, and the sealing ring construction section of rotating shaft one is equipped with sealing ring one;
Female motor case comprises sealing ring two, bearing three, wheel hub casing, left end cap, right end cap and sealing ring three; Center at the left end cap of female motor case is provided with the rotating shaft through hole, the lid limit outer rim of left end cap equidistantly is provided with a plurality of screw mounting holes, the outer end of rotating shaft through hole is provided with sealing ring two, and the inwall of rotating shaft through hole is equipped with bearing three, and left end cap closely is connected with the wheel hub casing by trip bolt;
planetary driving device comprises stator cage, axis, bearing four, planetary annular, bearing two and planetary gear, the inwall of stator cage adopts the equidistant layout designs of two or more equal diameter circle planets, is provided with two or more isodiametric circular tube shaped cavities in inwall, confluce at cavity, the circle centre position that is stator cage is provided with a profile of tooth through hole, assigned axis in the profile of tooth through hole, the high order end of axis is thread segment one, be disposed with axis extension one to the right, the linear gear section, the bottom bracket bearing construction section, axis extension two and thread segment two, the bottom bracket bearing construction section is equipped with bearing four, the linear gear section is sleeved in the profile of tooth through hole of stator cage center, the planet sub-motor is arranged on respectively in cavity, the edge of cavity equidistantly is provided with screw mounting hole, cavity is connected hold-down screw with gland and closely connects, stretch out the planetary gear construction section of bearing one in the circular hole of gland center, sealing ring one and planetary gear are installed on the planetary gear construction section, the inner ring gear engagement of planetary gear and planetary annular, be provided with a plurality of screw mounting holes on planetary annular, planetary annular closely is connected with right end cap by trip bolt, be disposed with sealing ring three on the right of right end cap.
Described planetary gear adopts equidistant planet layout, has guaranteed the synchronous parallel running of a plurality of high-speed electric expreess locomotives.
Described a kind of electric vehicle Gear Planet Transmission combination motor adopts without the Hall controller for electric vehicle, has eliminated the Yin Huoer original paper and has damaged the possibility that causes electrical fault, has improved the reliability and stability of motor.
Planetary gear and the planetary annular of described a kind of electric vehicle Gear Planet Transmission combination motor adopt the gear special use to exempt from lubricant high-strength nylon material.
Thread segment one on described axis and thread segment two are fixedly connected on respectively on the rear chain stay of vehicle frame after electric motor car.
Described bearing two adopts unidirectional needle bearing.
In described stator, stator winding coil is installed.
Described planet sub-motor is provided with 2 at least.
In the utility model, the user is by sending the CRANK PULSES of motor rotation without the Hall controller for electric vehicle, drive all planet sub-motor runnings, the planet sub-motor is sent to power on planetary annular by planetary gear, because the right end cap of planetary annular and female motor case is for being rigidly connected, drive the wheel hub chassis movement by right end cap, power and moment of torsion that the more single planet sub-motor of the output that motor just is able to continuously is larger.
A kind of electric vehicle Gear Planet Transmission combination of the utility model electric machine structure is compact, reasonable in design, production cost is low, and complete machine weight is light with the power slowspeed machine; By the power combination of sub-motor, contrast is used 1/3 rare earth magnetic steel material less with the power slowspeed machine, has saved valuable rare earth resources; The starting characteristic that has simultaneously high-speed electric expreess locomotive is good, the characteristics that overload capacity is strong; Owing to having adopted planetary gear construction to make the mechanical strength of gear and life-span obtain further prolongation, reduced the transmission noise in addition.
Description of drawings:
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is the utility model electric vehicle Gear Planet Transmission combination electric machine structure decomposing schematic representation.
Fig. 2 is the structural representation of the utility model electric vehicle Gear Planet Transmission combination motor upper bearing (metal) one.
Fig. 3 is the structural representation of axis on the utility model electric vehicle Gear Planet Transmission combination motor.
In figure: 1, bearing one, 2, rotating shaft one, 3, magnet steel, 4, rotor, 5, stator, 6, sealing ring one, 7, gland, 8, bearing two, 9, planetary gear, 10, sealing ring two, 11, left end cap, 12, bearing three, 13, wheel hub casing, 14, stator cage, 15, axis, 16, bearing four, 17, planetary annular, 18, right end cap, 19, sealing ring three, 20, stator winding coil;
2-1, fitting key, 2-2, bearing construction section, 2-3, planetary gear construction section, 2-4, keyway;
15-1, thread segment one, 15-2, axis extension one, 15-3, linear gear section, 15-4, bottom bracket bearing construction section, 15-5, axis extension two, 15-6, thread segment two.
Embodiment
With reference to accompanying drawing 1～3, electric vehicle Gear Planet Transmission combination motor comprises planet sub-motor, female motor case and planetary driving device; The planet sub-motor is positioned at planetary driving device, and it is inner that planetary driving device is positioned at female motor case, and the planet sub-motor drives female motor case by planetary driving device, power output and moment of torsion;
The planet sub-motor comprises bearing 1, rotating shaft 1, magnet steel 3, rotor 4, stator 5 and sealing ring 1; Be expert in the planetesimal motor, be provided with rotating shaft 1 in the center lumen pore of rotor 4, the left end of rotating shaft 1 is set with bearing 1, the middle part of rotating shaft 1 is provided with fitting key 2-1, fitting key 2-1 is followed successively by sealing ring construction section 2-2 and planetary gear construction section 2-3 to right-hand member, be provided with keyway 2-4 on planetary gear construction section 2-3, the outer wall of rotor 4 is provided with a plurality of all apart from the magnet steel draw-in groove of arranging, in each magnet steel draw-in groove, equal intercalation has magnet steel 3, rotor 4 is positioned at the lumen pore of stator 5, and the sealing ring construction section of rotating shaft 1 is equipped with sealing ring 1;
Female motor case comprises sealing ring 2 10, left end cap 11, bearing 3 12, wheel hub casing 13, right end cap 18 and sealing ring 3 19; Center at the left end cap 11 of female motor case is provided with the rotating shaft through hole, the lid limit outer rim of left end cap 11 equidistantly is provided with a plurality of screw mounting holes, the outer end of rotating shaft through hole is provided with sealing ring 2 10, the inwall of rotating shaft through hole is equipped with bearing 3 12, and left end cap 11 closely is connected with wheel hub casing 13 by trip bolt;
planetary driving device comprises stator cage 14, axis 15, bearing 4 16, planetary annular 17, bearing 28 and planetary gear 9, the inwall of stator cage 14 adopts the equidistant layout designs of two or more equal diameter circle planets, is provided with two or more isodiametric circular tube shaped cavities in inwall, the confluce of cavity, the circle centre position that is stator cage 14 is provided with a profile of tooth through hole, assigned axis 15 in the profile of tooth through hole, the high order end of axis 15 is thread segment one 15-1, be disposed with axis extension one 15-2 to the right, linear gear section 15-3, bottom bracket bearing construction section 15-4, axis extension two 15-5 and thread segment two 15-6, bottom bracket bearing construction section 15-4 is equipped with bearing 4 16, linear gear section 15-3 is sleeved in stator cage 14 center profile of tooth through holes, the planet sub-motor is arranged on respectively in cavity, the edge of cavity equidistantly is provided with screw mounting hole, cavity is connected with gland and is closely connected by hold-down screw, stretch out the planetary gear construction section of bearing 1 in the circular hole of gland 7 centers, bearing 28 and planetary gear 9 are installed on the planetary gear construction section, planetary gear 9 meshes with the inner ring gear of planetary annular 17, be provided with a plurality of screw mounting holes on planetary annular 17, planetary annular 17 closely is connected with right end cap 18 by trip bolt, be disposed with sealing ring 3 19 on the right of right end cap 18.
Described planetary gear 9 adopts equidistant planet layout, has guaranteed the synchronous parallel running of a plurality of high-speed electric expreess locomotives.
Described a kind of electric vehicle Gear Planet Transmission combination motor adopts without the Hall controller for electric vehicle, has eliminated the Yin Huoer original paper and has damaged the possibility that causes electrical fault, has improved the reliability and stability of motor.
Planetary gear and the planetary annular of described a kind of electric vehicle Gear Planet Transmission combination motor adopt the gear special use to exempt from lubricant high-strength nylon material.
Thread segment one 15-1 on described axis 15 and thread segment two 15-6 are fixedly connected on respectively on the rear chain stay of vehicle frame after electric motor car.
Described bearing 28 adopts unidirectional needle bearing.
In described stator 5, stator winding coil 20 is installed.
Described planet sub-motor is provided with 2 at least.
When electric vehicle Gear Planet Transmission combination motor and electric motor car support the use, be arranged on electromobile frame, by send the CRANK PULSES of motor rotation without the Hall controller for electric vehicle, drive all planet sub-motor runnings, the planet sub-motor is sent to power on planetary annular 17 by planetary gear 9, because the right end cap 18 of planetary annular 17 and female motor case is for being fixedly connected with, by right-hand member 18 cover strip runner hub casing 13 motions, power and moment of torsion that the more single planet sub-motor of the output that motor just is able to continuously is larger drive Vehicle Driving Cycle by transmission mechanism.
A kind of electric vehicle Gear Planet Transmission combination of the utility model electric machine structure is compact, reasonable in design, production cost is low, and complete machine weight is light with the power slowspeed machine; By the power combination of sub-motor, contrast is used 1/3 rare earth magnetic steel material less with the power slowspeed machine, has saved valuable rare earth resources; The starting characteristic that has simultaneously high-speed electric expreess locomotive is good, the characteristics that overload capacity is strong; Owing to having adopted planetary gear construction to make the mechanical strength of gear and life-span obtain further prolongation, reduced the transmission noise in addition.
Claims (6)
1. an electric vehicle Gear Planet Transmission combination motor, is characterized in that: comprise planet sub-motor, female motor case and planetary driving device; The planet sub-motor is arranged in planetary driving device, and it is inner that planetary driving device is arranged on female motor case, and the planet sub-motor drives female motor case rotation, power output and moment of torsion by planetary driving device;
The planet sub-motor comprises bearing one, rotating shaft one, magnet steel, rotor, stator and sealing ring one; Be expert in the planetesimal motor, be provided with rotating shaft one in the center lumen pore of rotor, the left end of rotating shaft one is set with bearing one, the middle part of rotating shaft one is provided with fitting key, and fitting key is followed successively by sealing ring construction section and planetary gear construction section to right-hand member, is provided with keyway on the planetary gear construction section, the outer wall of rotor is provided with a plurality of all apart from the magnet steel draw-in groove of arranging, in each magnet steel draw-in groove, equal intercalation has magnet steel, and rotor is positioned at the lumen pore of stator, and the sealing ring construction section of rotating shaft one is installed sealing ring one;
Female motor case comprises sealing ring two, bearing three, wheel hub casing, right end cap and sealing ring three; Center at the left end cap of female motor case is provided with the rotating shaft through hole, the lid limit outer rim of left end cap equidistantly is provided with a plurality of screw mounting holes, the outer end of rotating shaft through hole is provided with sealing ring two, and the inwall of rotating shaft through hole is equipped with bearing three, and left end cap closely is connected with the wheel hub casing by trip bolt;
planetary driving device comprises stator cage, axis, bearing four, planetary annular, bearing two and planetary gear, the inwall of stator cage adopts the equidistant layout designs of two or more equal diameter circle planets, is provided with two or more isodiametric circular tube shaped cavities in inwall, confluce at cavity, the circle centre position that is stator cage is provided with a profile of tooth through hole, assigned axis in the profile of tooth through hole, the high order end of axis is thread segment one, be disposed with axis extension one to the right, the linear gear section, the bottom bracket bearing construction section, axis extension two and thread segment two, the bottom bracket bearing construction section is equipped with bearing four, the linear gear section is sleeved in the profile of tooth through hole of stator cage center, the planet sub-motor is arranged on respectively in cavity, the edge of cavity equidistantly is provided with screw mounting hole, cavity is connected hold-down screw with gland and closely connects, stretch out the planetary gear construction section of bearing one in the circular hole of gland center, sealing ring one and planetary gear are installed on the planetary gear construction section, the inner ring gear engagement of planetary gear and planetary annular, be provided with a plurality of screw mounting holes on planetary annular, planetary annular closely is connected with right end cap by trip bolt, be disposed with sealing ring three on the right of right end cap.
2. electric vehicle Gear Planet Transmission according to claim 1 makes up motor, it is characterized in that: described planetary gear adopts equidistant planet layout, has guaranteed the synchronous parallel running of a plurality of high-speed electric expreess locomotives.
3. electric vehicle Gear Planet Transmission according to claim 1 combination motor is characterized in that: the thread segment one on described axis and thread segment two are fixedly connected on respectively on the rear chain stay of vehicle frame after electric motor car.
4. electric vehicle Gear Planet Transmission combination motor according to claim 1, is characterized in that: the described bearing two unidirectional needle bearings of employing.
5. electric vehicle Gear Planet Transmission combination motor according to claim 1, is characterized in that: in described stator, stator winding coil is installed.
6. electric vehicle Gear Planet Transmission according to claim 1 makes up motor, and it is characterized in that: described planet sub-motor is provided with 2 at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205913351U CN202978574U (en) | 2012-11-12 | 2012-11-12 | Planet transmission combined motor for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205913351U CN202978574U (en) | 2012-11-12 | 2012-11-12 | Planet transmission combined motor for electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978574U true CN202978574U (en) | 2013-06-05 |
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ID=48519598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205913351U Withdrawn - After Issue CN202978574U (en) | 2012-11-12 | 2012-11-12 | Planet transmission combined motor for electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202978574U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946167A (en) * | 2012-11-12 | 2013-02-27 | 南京纳帝机电技术有限公司 | Planetary transmission combination motor for electric vehicle |
| CN104821685A (en) * | 2015-04-30 | 2015-08-05 | 徐少波 | Cluster motor drive unit |
| CN105314052A (en) * | 2014-06-30 | 2016-02-10 | 德昌电机(深圳)有限公司 | A driving device for electric vehicles |
-
2012
- 2012-11-12 CN CN2012205913351U patent/CN202978574U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946167A (en) * | 2012-11-12 | 2013-02-27 | 南京纳帝机电技术有限公司 | Planetary transmission combination motor for electric vehicle |
| CN105314052A (en) * | 2014-06-30 | 2016-02-10 | 德昌电机(深圳)有限公司 | A driving device for electric vehicles |
| CN105314052B (en) * | 2014-06-30 | 2020-07-07 | 德昌电机(深圳)有限公司 | Drive device for electric vehicle |
| CN104821685A (en) * | 2015-04-30 | 2015-08-05 | 徐少波 | Cluster motor drive unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150121 |
|
| RGAV | Abandon patent right to avoid regrant |