CN202573795U - Two-gear drive device for electric car - Google Patents

Two-gear drive device for electric car Download PDF

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Publication number
CN202573795U
CN202573795U CN 201220251579 CN201220251579U CN202573795U CN 202573795 U CN202573795 U CN 202573795U CN 201220251579 CN201220251579 CN 201220251579 CN 201220251579 U CN201220251579 U CN 201220251579U CN 202573795 U CN202573795 U CN 202573795U
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CN
China
Prior art keywords
gear
planet
planet row
sliding sleeve
shift fork
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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.)
Expired - Fee Related
Application number
CN 201220251579
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Chinese (zh)
Inventor
石传龙
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石传龙
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Filing date
Publication date
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Priority to CN 201220251579 priority Critical patent/CN202573795U/en
Application granted granted Critical
Publication of CN202573795U publication Critical patent/CN202573795U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a two-gear drive device for an electric car. The two-gear device comprises a motor, a planet row, a shift-fork sliding-sleeve shift mechanism, a differential device, a half shaft and a hub reduction planet row. The shift-fork sliding-sleeve shift mechanism has a left work position, a middle work position and a right work position so as to achieve a high-gear, a low-gear and a neutral-gear of the drive device. By means of two-gear drive, size is reduced, drive torque is increased, and work efficiency of the motor is improved. The two-gear drive device is convenient to arrange and use on electric cars.

Description

Two grades of actuating devices of a kind of used for electric vehicle
Technical field
The utility model relates to a kind of used for electric vehicle actuating device, and especially a kind of suitable pure electric automobile is with two grades of actuating devices.
Background technology
The actuating device of existing pure electric automobile mostly is on the basis of orthodox car, to remove original driving engine and change-speed box, adds motor and a change-speed box and comes powered vehicle, and main reduction gear originally etc. no longer change.Though less relatively to former car change like this, motor, change-speed box, main reduction gear install independently separately and arrange that volume is bigger, space availability ratio lowers.
Common single planetary row generally can only realize that single speed compares speed change through in fixing its sun wheel, pinion carrier or the external toothing; If such hydraulic clutch, drg realize different speed ratios in the employing automatic transmission with hydraulic torque converter, can cause structure and control complicated, volume increases, and cost raises.
If can raise the efficiency through realizing two grades of transmission systems of single planetary row, increase moment of torsion, reduce volume, be convenient to arrange, improve space availability ratio.
Summary of the invention
The utility model provides a kind of used for electric vehicle two grades of actuating devices, has realized simple, lower-cost speed reduction gearing through shift fork sliding sleeve gearshift.
For solving the problems of the technologies described above, first kind of technical scheme that the utility model is achieved is: two grades of actuating devices of a kind of used for electric vehicle comprise motor, planet row, shift fork sliding sleeve gearshift, diff, semiaxis, hub reduction planet row;
Said planet row wheel and said limit reduction planetary row are all common epicyclic gear train, are made up of sun wheel, pinion carrier, satellite gear, gear ring;
Said hub reduction planet row is used for slowing down to increase turning round, and the vehicle drive shaft left and right wheels respectively has a hub reduction planet row;
Said shift fork sliding sleeve gearshift is made up of fixed gear wheel, planet toothrow circle external gear, planet rows of planetary frame external gear, shift fork, sliding sleeve;
The rotor shaft of said motor connects said planet row's sun wheel; Said planet toothrow circle external gear and said planet row's gear ring connects, and said planet rows of planetary frame external gear is connected with said planet row's pinion carrier, and said planet row's pinion carrier is connected with diff; Said hub reduction planet row's sun wheel is connected with side gears through semiaxis;
Said shift fork sliding sleeve gearshift has three control positioies in left, center, right; Said sliding sleeve often combines through feather key with said planet toothrow circle external gear; Stirring said sliding sleeve when said shift fork slides left; Said planet toothrow circle external gear and said fixed gear wheel are combined; Form the low gear of transmission system, this moment, motor power was through said planet row's sun wheel, said satellite gear, said pinion carrier, said semiaxis, said hub reduction planet row drive wheels; Stirring said sliding sleeve when said shift fork slides to the right; Said star rows of planetary frame external gear and said planet rows of planetary frame external gear are combined; Form the high speed gear of transmission system, this moment, said pinion carrier and said gear ring linked together, and said planet row strikes up partnership; Do not play chronotropic action, said motor power through said planet arrange, said diff, said semiaxis, said hub reduction planet row drive wheels; When said shift fork was stirred said sliding sleeve and mediated, transmission system was a neutral gear, and transmission of power interrupts;
According to concrete design, promote said shift fork sliding sleeve gearshift and realize that the power of three control positioies in left, center, right can be not limited to concrete form from electronic, air pressure, hydraulic efficiency gear.
The beneficial effect of the utility model is:
Device can reduce volume through two grades of transmission systems of shift fork sliding sleeve gearshift realization single planetary row, is convenient to arrange, has increased the practicality of single planetary row, improves space availability ratio, has reduced cost.
Description of drawings
Accompanying drawing is a kind of scheme of two grades of actuating devices of a kind of used for electric vehicle of the utility model:
Among the figure: 1-motor, 2-planet row, 3-shift fork sliding sleeve gearshift, the right hub reduction planet of 4-row, 5-right axle shaft, 6-diff, 7-left half axle, 8-revolver limit reduction planetary row;
The 21-sun wheel, 22-satellite gear, 23-gear ring, 24-pinion carrier;
The 31-fixed gear wheel, 32-shift fork, 33-sliding sleeve, 34-planet rows of planetary frame external gear, 35-planet toothrow circle external gear;
Motor 1 among the figure, planet row 2, fixed gear wheel 31, sliding sleeve 33, planet rows of planetary frame external gear 34, planet toothrow circle external gear 35 are all symmetrical structure, and only having drawn, half is represented.
The specific embodiment
As shown in Figure 1; For the first kind of technical scheme that realizes the utility model implemented: two grades of actuating devices of a kind of used for electric vehicle comprise motor 1, planet row 2; Shift fork sliding sleeve gearshift 3, right hub reduction planet row 4, right axle shaft 5, diff 6, left half axle 7, revolver limit reduction planetary row 8;
Said motor 1; Said planet row 2; Said shift fork sliding sleeve gearshift 3, said right hub reduction planet row 4, said right axle shaft 5, said diff 6, said left half axle 7, said revolver limit reduction planetary row 8 constitutes has two integrated driving devices that drive gears;
Said planet row 2 is common epicyclic gear train, and said planet row is made up of sun wheel 21, satellite gear 22, gear ring 23, pinion carrier 24;
Said shift fork sliding sleeve gearshift 3 is made up of fixed gear wheel 31, shift fork 32, sliding sleeve 33, planet rows of planetary frame external gear 34, planet toothrow circle external gear 35;
The rotor shaft of said motor 1 connects said sun wheel 21; Said planet toothrow circle external gear 35 connects with said gear ring 23, and said planet rows of planetary frame external gear 34 is connected with said institute pinion carrier 24, and said institute pinion carrier 24 is connected with said diff 6; Said sliding sleeve 33 and said planet toothrow circle external gear 34 often combine through feather key;
Said shift fork sliding sleeve gearshift 3 has three control positioies in left, center, right; Stirring said sliding sleeve 33 when said shift fork 32 slides left; Said planet toothrow circle external gear 35 and said fixed gear wheel 31 are combined; Form low gear; Arrive said diff 6 through said motor power through said sun wheel 21, said satellite gear 22, said pinion carrier 23 this moment, is assigned to said right axle shaft 5 and said left half axle 7 through said diff 6 again, drives said right hub reduction planet row 4 and arrange 8 outputting powers with said revolver limit reduction planetary; Stirring said sliding sleeve 33 when said shift fork 32 slides to the right; Said planet toothrow circle external gear 35 and said planet rows of planetary frame external gear 34 are combined; Form high speed gear, this moment, said pinion carrier 24 linked together with said gear ring 23, and said planet row 2 strikes up partnership; Do not play chronotropic action; The power of said motor 1 is delivered to said diff 6 through said planet row 2, is assigned to said right axle shaft 5 and said left half axle 7 through said diff 6 again, drives said right hub reduction planet row 4 and arranges 8 outputting powers with said revolver limit reduction planetary; When said shift fork 32 was stirred said sliding sleeve 33 and mediated, transmission system was a neutral gear, and transmission of power interrupts.
Below schematically the content and the principle of work of the utility model is described, this description does not have restricted, the also example of the embodiment of the utility model just shown in the accompanying drawing, and practical structure is not limited thereto.So, if those skilled in the art is enlightened by it, create under the situation of aim not breaking away from the utility model, adopt other form, design with similar structure of the utility model and embodiment, also belong to the protection domain of the utility model.

Claims (1)

1. two grades of actuating devices of a used for electric vehicle comprise motor, planet row, shift fork sliding sleeve gearshift, diff, semiaxis, hub reduction planet row, it is characterized in that:
Said motor, said planet row, said shift fork sliding sleeve gearshift, said diff, said semiaxis, said hub reduction planet row constitute integrated driving device;
Said planet row wheel and said limit reduction planetary row are all common epicyclic gear train, are made up of sun wheel, pinion carrier, satellite gear, gear ring;
Said planet row wheel is used for two grades of speed changes, and said hub reduction planet row is used for slowing down to increase turning round, and left and right wheels is respectively with a hub reduction planet row;
Said shift fork sliding sleeve gearshift is made up of fixed gear wheel, planet toothrow circle external gear, planet rows of planetary frame external gear, shift fork, sliding sleeve;
The rotor shaft of said motor connects said planet row's sun wheel; Said planet toothrow circle external gear and said planet row's gear ring connects, and said planet rows of planetary frame external gear is connected with said planet row's pinion carrier, and said planet row's pinion carrier is connected with said diff; Said hub reduction planet row's sun wheel is connected with said side gears through said semiaxis;
Said shift fork sliding sleeve gearshift has three control positioies in left, center, right; Said sliding sleeve often combines through feather key with said planet toothrow circle external gear; Stirring said sliding sleeve when said shift fork slides left; Said planet toothrow circle external gear and said fixed gear wheel are combined; Form the low gear of transmission system, this moment, said motor power was through said planet row's sun wheel, said satellite gear, said pinion carrier, said semiaxis, said hub reduction planet row drive wheels; Stirring said sliding sleeve when said shift fork slides to the right; Said star rows of planetary frame external gear and said planet toothrow circle external gear are combined; Form the high speed gear of transmission system, this moment, said pinion carrier and said gear ring linked together, and said planet row strikes up partnership; Do not play chronotropic action, the power of said motor through said planet arrange, said diff, said semiaxis, said hub reduction planet row drive wheels; When said shift fork was stirred said sliding sleeve and mediated, transmission system was a neutral gear, and transmission of power interrupts.
CN 201220251579 2012-05-31 2012-05-31 Two-gear drive device for electric car Expired - Fee Related CN202573795U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220251579 CN202573795U (en) 2012-05-31 2012-05-31 Two-gear drive device for electric car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220251579 CN202573795U (en) 2012-05-31 2012-05-31 Two-gear drive device for electric car

Publications (1)

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CN202573795U true CN202573795U (en) 2012-12-05

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103692907A (en) * 2014-01-03 2014-04-02 合肥工业大学 Power system assembly of electric vehicle
CN103775571A (en) * 2014-02-17 2014-05-07 郑州宇通客车股份有限公司 Speed change mechanism as well as driving system and vehicle using same
CN104827898A (en) * 2015-05-11 2015-08-12 合肥工业大学 Two-gear speed changing power system of electric automobile
CN108883699A (en) * 2016-03-28 2018-11-23 德纳重型车辆系统集团有限责任公司 Monomotor axle shaft with multiple ratios
CN111959267A (en) * 2020-08-19 2020-11-20 吴震洋 Transmission device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103692907A (en) * 2014-01-03 2014-04-02 合肥工业大学 Power system assembly of electric vehicle
CN103692907B (en) * 2014-01-03 2016-01-27 合肥工业大学 A kind of power system assembly of electronlmobil
CN103775571A (en) * 2014-02-17 2014-05-07 郑州宇通客车股份有限公司 Speed change mechanism as well as driving system and vehicle using same
CN103775571B (en) * 2014-02-17 2016-08-17 郑州宇通客车股份有限公司 Gear and use drive system and the vehicle of this gear
CN104827898A (en) * 2015-05-11 2015-08-12 合肥工业大学 Two-gear speed changing power system of electric automobile
CN108883699A (en) * 2016-03-28 2018-11-23 德纳重型车辆系统集团有限责任公司 Monomotor axle shaft with multiple ratios
US11054009B2 (en) 2016-03-28 2021-07-06 Dana Heavy Vehicle Systems Group, Llc Single electric motor drive axle with multiple ratios
CN111959267A (en) * 2020-08-19 2020-11-20 吴震洋 Transmission device

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121205

Termination date: 20150531