CN104074934A - Two-gear automatic speed changing system for electric automobile - Google Patents

Two-gear automatic speed changing system for electric automobile Download PDF

Info

Publication number
CN104074934A
CN104074934A CN201310660221.7A CN201310660221A CN104074934A CN 104074934 A CN104074934 A CN 104074934A CN 201310660221 A CN201310660221 A CN 201310660221A CN 104074934 A CN104074934 A CN 104074934A
Authority
CN
China
Prior art keywords
clutch
gear
brake
speed changing
motor
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
CN201310660221.7A
Other languages
Chinese (zh)
Inventor
罗玉涛
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.)
South China University of Technology SCUT
Original Assignee
South China University of Technology SCUT
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 South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN201310660221.7A priority Critical patent/CN104074934A/en
Publication of CN104074934A publication Critical patent/CN104074934A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/08General details of gearing of gearings with members having orbital motion
    • F16H57/10Braking arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02034Gearboxes combined or connected with electric machines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/08General details of gearing of gearings with members having orbital motion
    • F16H2057/087Arrangement and support of friction devices in planetary gearings, e.g. support of clutch drums, stacked arrangements of friction devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a two-gear automatic speed changing system for an electric automobile. The two-gear automatic speed changing system for the electric automobile is mainly formed by a motor, a planet mechanism, a clutch A, a brake B, a control unit and a speed changing box body, wherein the motor is connected with a motor rotor shaft. The two-gear automatic speed changing system for the electric automobile is characterized in that one end of the clutch is connected with the motor rotor shaft; the other end is connected with a gear ring of the planet mechanism; a sun gear of the planet mechanism which is served as an input end is connected with the motor rotor shaft; a planet frame which is served as an input end of a speed change box is connected with a driving axle; the brake is connected with the gear ring of the planet mechanism; the control unit in signal connection with a clutch driving mechanism, a brake driving mechanism and a motor controller; the clutch driving mechanism, the brake driving mechanism and the motor controller are connected with the clutch, the brake and the motor. The two-gear automatic speed changing system for the electric automobile achieves direct-gear and speed-reducing-gear transmission due to the fact that the planet mechanism, the clutch and the brake are matched in utilization and reverse gear is achieved due to reverse rotation of the motor.

Description

A kind of used for electric vehicle two-gear automatic speed changing system
Technical field
The present invention relates to used for electric vehicle Transmission System, particularly relate to a kind of used for electric vehicle two-gear automatic speed changing system.
Technical background
Because global energy reduces and the aggravation of environmental pollution day by day, electric vehicle becomes the focus that people pay close attention to.Compare with traditional combustion engine, electric vehicle traction electric machine has wider operating range, and during motor low speed when permanent torque and high speed the characteristic of permanent power be more suitable for vehicle operating demand.In recent years, for electric vehicle and can keep the automatic transmission of high efficiency transmission to become study hotspot.The manual gear speed changer (MT) occurring the earliest, realizes the conversion of gear by clutch and manual shift shift fork, this speed changer has simple in structure, compact appearance, and transmission efficiency is high, and reliability is high, and low cost and other advantages is applied comparatively extensive.But because vehicle is in shift process, necessary cut-off clutch, causes power interruption, affected power character and the ride comfort of vehicle, and manual shift has caused driver fatigue frequently.So automatic speed changing is the development trend of transmission for vehicles, the relative manual transmission of automatic transmission has the performances such as higher vehicle security, travelling comfort.
Summary of the invention
The object of the present invention is to provide a kind of for motor-driven electric vehicle two-gear automatic speed changing system, in the advantage that keeps automatic transmission power gear shifting simultaneously, the shortcoming that while overcoming existing automatic transmission transmission of power, power is interrupted.
In order to realize foregoing invention object, the present invention has adopted following technological scheme:
A used for electric vehicle two-gear automatic speed changing system, is mainly comprised of motor, planetary mechanism, clutch A, break B, control unit and gearbox casing; Motor is connected with rotor axis of electric; One end of clutch is connected with rotor axis of electric, and the other end is connected with the gear ring of planetary mechanism; The sun gear of planetary mechanism is connected with rotor axis of electric as input end, and planet carrier is connected with ransaxle as the output terminal of gearbox; Break is connected with the gear ring of planetary mechanism; Control unit is connected with clutch drive, break driving mechanism and electric machine controller signal respectively, and clutch drive, break driving mechanism and electric machine controller are connected with clutch, break and motor respectively.
For further realizing the object of the invention, preferably, described clutch is diaphragm spring clutch, hydraulic frictional lamella clutch or magnetic clutch.
Described break is caliper disc brake, hydraulic frictional chip break or electromagnetic brake.
Described diaphragm spring clutch is mainly comprised of clutch housing, diaphragm spring, platen, friction plate, release bearing and swing arm; Rotor axis of electric is connected with clutch by spline, and clutch housing 4 is screwed on gear ring, and release bearing is movably arranged on rotor axis of electric, and swing arm is flexibly connected with release bearing.
Described caliper disc brake is mainly comprised of brake casing, brake disc, brake calipers and piston; Brake casing and gear box casing are connected, brake disc is connected with gear ring by pin, and brake disc is between two brake caliperss, and two brake caliperss are connected with two-piston respectively, piston is positioned at cylinder body, and the cylinder body of piston is connected with hydraulic drive mechanism, air pressure driving mechanism or motor-driven mechanism.
In the present invention, rotor axis of electric is connected with the sun gear of planetary mechanism and one end of clutch as input end, and the gear ring of planetary mechanism is connected with gearbox casing by break, and planet carrier is connected with ransaxle as output terminal.When clutch combination, break disconnect, planetary mechanism and rotor axis of electric together rotate, and power is exported to ransaxle through planet carrier by 1:1; When clutch disconnects, break in conjunction with time, the gear ring of planetary mechanism is braked, power is exported through planet carrier, reduction speed ratio is by the structures shape of planetary mechanism; When motor reversal, can realize and reversing gear.
With respect to prior art, tool of the present invention has the following advantages:
1) automatic transmission of the present invention power failure-free in power transmission process, no matter clutch is in conjunction with still disconnecting all dynamic transmission.
2) used for electric vehicle two-shift automatic speed variator involved in the present invention is simple in structure, power-interruption free during transmission of power, and without synchronizer.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of embodiment's 1 used for electric vehicle two-gear automatic speed changing system.
Fig. 2 is embodiment 1 used for electric vehicle two-gear automatic speed changing system architecture schematic diagram.
Embodiment
For understanding better the present invention, below in conjunction with drawings and Examples, the present invention is further illustrated, but embodiments of the present invention are not limited to this.
Embodiment 1
As shown in Figure 1, a kind of used for electric vehicle two-gear automatic speed changing system, is mainly comprised of motor 7, planetary mechanism, clutch A, break B, control unit ECU and gearbox casing; Motor 7 is connected with rotor axis of electric 8; One end of clutch A is connected with rotor axis of electric, and the other end is connected with the gear ring 14 of planetary mechanism; The sun gear 17 of planetary mechanism is connected with rotor axis of electric as input end, and planet carrier 15 is connected with ransaxle 19 as the output terminal of gearbox, and ransaxle 19, by semiaxis 20, is connected with two wheels 6 respectively; Break B is connected with the gear ring 14 of planetary mechanism as braking member, with this, controls the element motion of planetary mechanism.Control unit is connected with clutch drive, break driving mechanism and electric machine controller signal respectively, and clutch drive, break driving mechanism and electric machine controller are connected with clutch, break and motor respectively.This used for electric vehicle two-gear automatic speed changing system is used in conjunction with by planetary mechanism, clutch A and break B can realize direct gear, the gear transmission of slowing down, and during motor reversal, can realize and reversing gear.
As shown in Figure 2, the clutch A of used for electric vehicle two-gear automatic speed changing system adopts diaphragm spring clutch, and this diaphragm spring clutch is mainly comprised of clutch housing 4, diaphragm spring 3, platen 2, friction plate 1, release bearing 5 and swing arm 6; Rotor axis of electric 8 is connected with clutch by spline, coaxially rotates together, and clutch housing 4 is screwed on gear ring 14, and release bearing 5 is movably arranged on rotor axis of electric 8, and swing arm 6 is flexibly connected with release bearing 5, and motor 7 is connected with rotor axis of electric 8;
Break B adopts caliper disc brake, mainly brake casing 9, brake disc 10, brake calipers 11 and piston 12, consists of.Caliper disc brake housing and gear box casing 18 are connected, brake disc 10 is connected with gear ring 14 by pin 13, brake disc 10 is between two brake caliperss 11, two brake caliperss 11 are connected with two-piston 12 respectively, piston is positioned at cylinder body, and the cylinder body of piston can be connected with hydraulic drive mechanism, air pressure driving mechanism or motor-driven mechanism.
When motor 7 does not turn round, the large end of diaphragm spring 3 produces impacting force to platen 2, makes clutch in impaction state, clutch and tooth 14 combinations, and break B disconnects.Now, the gear ring 14 in planetary mechanism is rigidly connected by spline 15 with sun gear 16, and the gear ratio of speed changer is 1.
When motor 7 rotates, swing arm 6 drives release bearing 5 to move to right, and release bearing 5 promotes diaphragm spring 3 and moves to right, and platen 2 band movable friction plates 1 are separated with gear ring 14; In break B, control fluid simultaneously and enter in the cylinder body of piston through pipeline, promote brake calipers 11 and compress with brake disc 10, braking gear ring 14, planetary gears gear ring is braked, and sun gear is driving link, and planet carrier is output member.The gear ratio of this used for electric vehicle two-gear automatic speed changing system is relevant to the structure of planetary mechanism, and can make the sun gear number of teeth is z 1, radius is r 1, rotating speed is n 1; The gear ring number of teeth is z 2, radius is r 2, rotating speed is n 2, the rotating speed of planet carrier is n 3.If by single planetary pinion laws of motion n 1+ α n 2-(1+ α) n 3=0, velocity ratio is 1+ α, is gearing down.Suppose time, the reduction speed ratio of used for electric vehicle two-gear automatic speed changing system is 3.
When rotor axis of electric reverses, during cooperation that can be by Clutch and brake, realize and reversing gear.
In the present embodiment, rotor axis of electric is connected with the sun gear of planetary mechanism and one end of clutch as input end, and the gear ring of planetary mechanism is connected with gearbox casing by break, and planet carrier is connected with ransaxle as output terminal.When clutch combination, break disconnect, planetary mechanism and rotor axis of electric together rotate, and power is exported to ransaxle through planet carrier by 1:1; When clutch disconnects, break in conjunction with time, the gear ring of planetary mechanism is braked, power is exported through planet carrier, reduction speed ratio is by the structures shape of planetary mechanism; When motor reversal, can realize and reversing gear.As can be seen here, the present invention is for motor-driven electric vehicle two-gear automatic speed changing system, in the advantage while that keeps automatic transmission power gear shifting, the shortcoming that while overcoming existing automatic transmission transmission of power, power is interrupted.
Embodiment 2
The clutch of used for electric vehicle two-gear automatic speed changing system adopts hydraulic frictional lamella clutch, mainly by housing, piston, steel disc, friction plate, return spring, seal ring and snap ring, formed, the connection layout of remaining part is identical with embodiment 1, and the working principle of the present embodiment is substantially the same manner as Example 1.The operating mechanism of hydraulic frictional lamella clutch adopts hydraulic type, with mechanical type operating mechanism ratio, has that surface friction drag is little, quality is little, in conjunction with the feature such as soft, but in implementation process, relates to the sealing problem of controlling fluid.
Embodiment 3
The clutch of used for electric vehicle two-gear automatic speed changing system adopts magnetic clutch, mainly yoke, armature, flange, rivet and spring sheet, consists of.Magnetic clutch is compared with diaphragm spring clutch to be had response high speed, durability is strong and assembles the easy feature of safeguarding.Yoke is connected with rotor axis of electric by spline, and flange is connected with gear ring by key, produces magnetic flux adhesive armature during coil electricity, thereby produces friction torque, makes secondary part combination.The connection layout of remaining part is identical with embodiment 1, and the working principle of the present embodiment is substantially the same manner as Example 1, is not repeated herein.
Embodiment 4
Used for electric vehicle two-gear automatic speed changing system clutch adopt magnetic clutch, break adopts electromagnetic brake, produces magnetic flux adhesive armature during coil electricity, thereby produces friction torque, make secondary part in conjunction with or braking.During work, needn't consider to control the sealing problem of fluid, the operating mechanism of clutch, break only need be realized switching electricity.The connection layout of remaining part is identical with embodiment 1, and the working principle of the present embodiment is substantially the same manner as Example 1, is not repeated herein.

Claims (5)

1. a used for electric vehicle two-gear automatic speed changing system, is mainly comprised of motor, planetary mechanism, clutch A, break B, control unit and gearbox casing; Motor is connected with rotor axis of electric; It is characterized in that, one end of clutch is connected with rotor axis of electric, and the other end is connected with the gear ring of planetary mechanism; The sun gear of planetary mechanism is connected with rotor axis of electric as input end, and planet carrier is connected with ransaxle as the output terminal of gearbox; Break is connected with the gear ring of planetary mechanism; Control unit is connected with clutch drive, break driving mechanism and electric machine controller signal respectively, and clutch drive, break driving mechanism and electric machine controller are connected with clutch, break and motor respectively.
2. used for electric vehicle two-gear automatic speed changing system according to claim 1, is characterized in that: described clutch is diaphragm spring clutch, hydraulic frictional lamella clutch or magnetic clutch.
3. used for electric vehicle two-gear automatic speed changing system according to claim 1, is characterized in that: described break is caliper disc brake, hydraulic frictional chip break or electromagnetic brake.
4. two-gear automatic speed changing system according to claim 1, is characterized in that: described diaphragm spring clutch is mainly comprised of clutch housing, diaphragm spring, platen, friction plate, release bearing and swing arm; Rotor axis of electric is connected with clutch by spline, and clutch housing 4 is screwed on gear ring, and release bearing is movably arranged on rotor axis of electric, and swing arm is flexibly connected with release bearing.
5. two-gear automatic speed changing system according to claim 1, is characterized in that: described caliper disc brake is mainly comprised of brake casing, brake disc, brake calipers and piston; Brake casing and gear box casing are connected, brake disc is connected with gear ring by pin, and brake disc is between two brake caliperss, and two brake caliperss are connected with two-piston respectively, piston is positioned at cylinder body, and the cylinder body of piston is connected with hydraulic drive mechanism, air pressure driving mechanism or motor-driven mechanism.
CN201310660221.7A 2013-12-09 2013-12-09 Two-gear automatic speed changing system for electric automobile Pending CN104074934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310660221.7A CN104074934A (en) 2013-12-09 2013-12-09 Two-gear automatic speed changing system for electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310660221.7A CN104074934A (en) 2013-12-09 2013-12-09 Two-gear automatic speed changing system for electric automobile

Publications (1)

Publication Number Publication Date
CN104074934A true CN104074934A (en) 2014-10-01

Family

ID=51596429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310660221.7A Pending CN104074934A (en) 2013-12-09 2013-12-09 Two-gear automatic speed changing system for electric automobile

Country Status (1)

Country Link
CN (1) CN104074934A (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103935240A (en) * 2014-04-28 2014-07-23 陈穗 Four-wheel driven active-braking single-clutch electric automobile
CN105150819A (en) * 2015-09-10 2015-12-16 福建万润新能源科技有限公司 Dual-motor power device for electric vehicle
CN105526318A (en) * 2016-01-22 2016-04-27 吉林大学 Electric drive system based on two-gear transmission device
CN106523645A (en) * 2016-12-23 2017-03-22 南京越博动力系统股份有限公司 Transmission system of two-gear automatic transmission of electric automobile
CN106608177A (en) * 2015-10-26 2017-05-03 南京理工大学 Hybrid power electric car driving system based on planetary gear mechanism
CN106882039A (en) * 2017-04-14 2017-06-23 重庆青山工业有限责任公司 A kind of two keep off pure electric vehicle power system
CN106979328A (en) * 2017-05-03 2017-07-25 重庆市綦江源泉机电有限公司 Transmission Mechanism of Planetary Gear System clutch speed changer
CN107054070A (en) * 2017-04-14 2017-08-18 重庆青山工业有限责任公司 A kind of pure electric vehicle power system
CN107763153A (en) * 2016-08-19 2018-03-06 罗伯特·博世有限公司 The shift transmission of planetary gear type two for electric vehicle
CN108223708A (en) * 2016-12-21 2018-06-29 重庆硬核派传动科技有限公司 A kind of three speed compare epicyclic transmission
CN108223705A (en) * 2016-12-21 2018-06-29 重庆硬核派传动科技有限公司 A kind of three speed compare epicyclic transmission
CN108944389A (en) * 2018-05-08 2018-12-07 上海汽车集团股份有限公司 The coaxial electric drive system of multi gear
CN110945267A (en) * 2017-08-14 2020-03-31 罗伯特·博世有限公司 Transmission device
CN110936811A (en) * 2018-09-25 2020-03-31 长城汽车股份有限公司 Electric drive axle and gear shifting method thereof
CN112594369A (en) * 2021-03-04 2021-04-02 盛瑞传动股份有限公司 Reduction gear and car
CN113028001A (en) * 2021-03-04 2021-06-25 盛瑞传动股份有限公司 Reduction gear and car
CN113028000A (en) * 2021-03-04 2021-06-25 盛瑞传动股份有限公司 Hybrid vehicle and driving device thereof
CN113700810A (en) * 2020-03-09 2021-11-26 福建中青汽车技术有限公司 High-reliability automatic speed change device for electric automobile
CN114986276A (en) * 2022-06-23 2022-09-02 无锡市明鑫机床有限公司 Wind power bearing vertical mill processing equipment with self-adjusting station function

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005030430A (en) * 2003-07-07 2005-02-03 Fuji Heavy Ind Ltd Transmission for electric vehicle
CN201240263Y (en) * 2008-07-16 2009-05-20 华南理工大学 Dividing and convergent current type multi-shift automatic gear shift system based on planetary mechanism
KR20120119344A (en) * 2011-04-21 2012-10-31 현대 파워텍 주식회사 Decelerator for electric vehicle
CN202707955U (en) * 2012-06-28 2013-01-30 湖南江麓容大车辆传动股份有限公司 Electromobile, variable speed gear and variable speed gear control system
CN202732865U (en) * 2012-07-30 2013-02-13 上海中科深江电动车辆有限公司 Two-speed automatic transmission used for electric vehicle
CN203082135U (en) * 2013-01-23 2013-07-24 清华大学 Power-keeping-type mechanical car second-gear automatic speed changer
CN103277432A (en) * 2013-05-31 2013-09-04 施国兴 Novel floating caliper disc brake
CN203686013U (en) * 2013-12-09 2014-07-02 华南理工大学 Electric vehicle used two-gear automatic speed variator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005030430A (en) * 2003-07-07 2005-02-03 Fuji Heavy Ind Ltd Transmission for electric vehicle
CN201240263Y (en) * 2008-07-16 2009-05-20 华南理工大学 Dividing and convergent current type multi-shift automatic gear shift system based on planetary mechanism
KR20120119344A (en) * 2011-04-21 2012-10-31 현대 파워텍 주식회사 Decelerator for electric vehicle
CN202707955U (en) * 2012-06-28 2013-01-30 湖南江麓容大车辆传动股份有限公司 Electromobile, variable speed gear and variable speed gear control system
CN202732865U (en) * 2012-07-30 2013-02-13 上海中科深江电动车辆有限公司 Two-speed automatic transmission used for electric vehicle
CN203082135U (en) * 2013-01-23 2013-07-24 清华大学 Power-keeping-type mechanical car second-gear automatic speed changer
CN103277432A (en) * 2013-05-31 2013-09-04 施国兴 Novel floating caliper disc brake
CN203686013U (en) * 2013-12-09 2014-07-02 华南理工大学 Electric vehicle used two-gear automatic speed variator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈家瑞: "《汽车构造第2版(下册)》", 31 May 2006, 机械工业出版社 *

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103935240A (en) * 2014-04-28 2014-07-23 陈穗 Four-wheel driven active-braking single-clutch electric automobile
CN105150819A (en) * 2015-09-10 2015-12-16 福建万润新能源科技有限公司 Dual-motor power device for electric vehicle
CN105150819B (en) * 2015-09-10 2018-11-27 福建万润新能源科技有限公司 A kind of electric car double-motor power device
CN106608177A (en) * 2015-10-26 2017-05-03 南京理工大学 Hybrid power electric car driving system based on planetary gear mechanism
CN105526318B (en) * 2016-01-22 2018-06-05 吉林大学 A kind of power drive system based on two shift transmissions
CN105526318A (en) * 2016-01-22 2016-04-27 吉林大学 Electric drive system based on two-gear transmission device
CN107763153A (en) * 2016-08-19 2018-03-06 罗伯特·博世有限公司 The shift transmission of planetary gear type two for electric vehicle
CN108223708A (en) * 2016-12-21 2018-06-29 重庆硬核派传动科技有限公司 A kind of three speed compare epicyclic transmission
CN108223705A (en) * 2016-12-21 2018-06-29 重庆硬核派传动科技有限公司 A kind of three speed compare epicyclic transmission
CN106523645A (en) * 2016-12-23 2017-03-22 南京越博动力系统股份有限公司 Transmission system of two-gear automatic transmission of electric automobile
CN106523645B (en) * 2016-12-23 2018-08-17 南京越博动力系统股份有限公司 A kind of two speed automatic transmission transmission system of electric vehicle
CN106882039A (en) * 2017-04-14 2017-06-23 重庆青山工业有限责任公司 A kind of two keep off pure electric vehicle power system
CN107054070A (en) * 2017-04-14 2017-08-18 重庆青山工业有限责任公司 A kind of pure electric vehicle power system
CN106979328A (en) * 2017-05-03 2017-07-25 重庆市綦江源泉机电有限公司 Transmission Mechanism of Planetary Gear System clutch speed changer
CN110945267A (en) * 2017-08-14 2020-03-31 罗伯特·博世有限公司 Transmission device
CN110945267B (en) * 2017-08-14 2023-03-24 罗伯特·博世有限公司 Transmission device
CN108944389A (en) * 2018-05-08 2018-12-07 上海汽车集团股份有限公司 The coaxial electric drive system of multi gear
CN108944389B (en) * 2018-05-08 2020-10-30 上海汽车集团股份有限公司 Multi-gear coaxial electric driving system
CN110936811A (en) * 2018-09-25 2020-03-31 长城汽车股份有限公司 Electric drive axle and gear shifting method thereof
CN113700810A (en) * 2020-03-09 2021-11-26 福建中青汽车技术有限公司 High-reliability automatic speed change device for electric automobile
CN112594369A (en) * 2021-03-04 2021-04-02 盛瑞传动股份有限公司 Reduction gear and car
CN113028001A (en) * 2021-03-04 2021-06-25 盛瑞传动股份有限公司 Reduction gear and car
CN113028000A (en) * 2021-03-04 2021-06-25 盛瑞传动股份有限公司 Hybrid vehicle and driving device thereof
CN114986276A (en) * 2022-06-23 2022-09-02 无锡市明鑫机床有限公司 Wind power bearing vertical mill processing equipment with self-adjusting station function
CN114986276B (en) * 2022-06-23 2024-02-20 无锡市明鑫机床有限公司 Wind power bearing vertical mill processing equipment with station self-adjusting function

Similar Documents

Publication Publication Date Title
CN104074934A (en) Two-gear automatic speed changing system for electric automobile
CN103660905B (en) A kind of oily electric hybrid-electric car multi-mode drive system
CN103692907B (en) A kind of power system assembly of electronlmobil
CN201980080U (en) Electric vehicle motive power assembly
EP2855249A1 (en) Planetary gear transmission and electric vehicle
CN202448744U (en) Double-motor combination driving device of electric vehicle
CN108468764B (en) Double-actuator type three-gear transmission for electric automobile
CN204459021U (en) Multiple-speed gear-box
CN203854502U (en) Hybrid power drive system and hybrid power vehicle
CN105526318A (en) Electric drive system based on two-gear transmission device
CN203686013U (en) Electric vehicle used two-gear automatic speed variator
CN103307222B (en) A kind of automotive dynamoelectric machine formula automatic transmission with free wheel device
CN204921864U (en) Electric automobile automatic gearbox is kept off to electronic stylus pin coupling device formula two
CN202901250U (en) Forward gear and reverse gear switching mechanism of continuously variable transmission (CVT) for automobile
CN107327556A (en) A kind of two grades of planetary gears gearbox drive axle system and method
CN109356978A (en) One kind having reverse gear first gear single-direction transmission two-shift automatic variable speed device
CN109723769A (en) The two reduction gear of pure electric vehicle retarder
CN102878269B (en) Gear-type automotive automatic transmission
CN203739618U (en) Multi-mode driving device of fuel-power hybrid electric automobile
CN204921865U (en) Electronic stylus pin coupling device formula third gear electric automobile automatic gearbox
CN203384353U (en) Planetary automatic gear shifting transmission of structure with dry clutch and brake
CN109203953A (en) Bi-motor pure electric vehicle multimode dynamical system and its driving method
CN209320657U (en) Bi-motor pure electric vehicle multimode dynamical system
JP2012225365A (en) Vehicle transmission
CN109630643B (en) Automobile power split type continuously variable transmission

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20141001