CN205859086U - A kind of electronic automatic gearbox for vehicle - Google Patents

A kind of electronic automatic gearbox for vehicle Download PDF

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Publication number
CN205859086U
CN205859086U CN201620847842.5U CN201620847842U CN205859086U CN 205859086 U CN205859086 U CN 205859086U CN 201620847842 U CN201620847842 U CN 201620847842U CN 205859086 U CN205859086 U CN 205859086U
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CN
China
Prior art keywords
gear
output shaft
vehicle
planet carrier
automatic gearbox
Prior art date
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Active
Application number
CN201620847842.5U
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Chinese (zh)
Inventor
杨加丰
宋文杰
曾泳
王江波
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.)
GIF RESEARCH CENTER(CHINA)CO Ltd
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GIF RESEARCH CENTER(CHINA)CO Ltd
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Priority to CN201620847842.5U priority Critical patent/CN205859086U/en
Application granted granted Critical
Publication of CN205859086U publication Critical patent/CN205859086U/en
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Abstract

The utility model discloses a kind of electronic automatic gearbox for vehicle, including power shaft, output shaft, differential mechanism and planet circular system, described planet circular system includes sun gear, planetary gear, planet carrier and gear ring, also include brake and clutch, described sun gear is fixed on output shaft, planet carrier empty set is on output shaft, the deceleration driving gear being connected with gear ring it is set with on output shaft, it is connected by gear between power shaft with output shaft, it is connected by clutch between described sun gear and planet carrier, it is connected by brake between described planet carrier and gear box casing, described deceleration driving gear is meshed with the reduction driven gear being located on differential mechanism.It can realize the gear shift of electric motor car power failure-free, and transmission efficiency is high, promotes electrical vehicular power performance, and simple in construction, compact, low cost.

Description

A kind of electronic automatic gearbox for vehicle
Technical field
This utility model relates to change speed gear box technical field, especially relates to a kind of electronic automatic gearbox for vehicle.
Background technology
In electric motor car, generally use single-stage speed reducing case, be unfavorable for the raising of normal kinetic and economy;Or minority uses Two shift automatic variable speed casees, but existing two shift automatic variable speed box structures are complicated, and in gearshift procedure, there is power interruption, impact The performance of electric motor car.
Utility model content
Not enough for prior art, technical problem to be solved in the utility model is to provide a kind of electric motor car with automatically becoming Speed case, it can realize the gear shift of power failure-free.
In order to solve above-mentioned technical problem, the technical scheme that this utility model is used is:
This electronic automatic gearbox for vehicle, including power shaft, output shaft, differential mechanism and planet circular system, described planetary gear System includes sun gear, planetary gear, planet carrier and gear ring, also includes that brake and clutch, described sun gear are fixed on output On axle, planet carrier empty set, on output shaft, output shaft is set with the deceleration driving gear being connected with gear ring, power shaft and output It is connected by gear between axle, is connected by clutch between described sun gear and planet carrier, described planet carrier and transmission housing Being connected by brake between body, described deceleration driving gear is meshed with the reduction driven gear being located on differential mechanism.
Further, described power shaft is arranged with output shaft side by side parallel.
Described output shaft is provided with parking wheel.
Described clutch includes piston, thrust bearing and friction plate group, and described piston is located on gear box casing, piston Head by thrust bearing and friction plate group phase separation.
Also include that gear box control unit, described clutch are all connected with gear box control unit with brake.
Described planet carrier, sun gear and deceleration driving gear are arranged side by side.
Described power shaft is provided with input gear, and output shaft is provided with the output gear being meshed with input gear, input Gear forms primary speed-down gear train with output gear.
Deceleration driving gear on described output shaft forms double-reduction gear group with the reduction driven gear on differential mechanism.
Described output shaft is between power shaft and the rotating shaft of differential mechanism.
Friction plate on described planet carrier includes the first friction plate and the second friction plate, the first friction plate and clutch phase Even, the second friction plate is connected with brake.
This utility model compared with prior art, has the advantage that
This automatic gear-box reasonable in design, it can realize the gear shift of electric motor car power failure-free, transmission efficiency height, carry Rise electrical vehicular power performance, and simple in construction, compact, low cost;Clutch connection and reasonable arrangement, can reduce arrangement space, from In clutch, plunger shaft does not rotates, and without the centrifugal force impact on pressure, beneficially Stress control, Clutch Control is more accurate.
Accompanying drawing explanation
Content expressed by width accompanying drawing each to this specification and the labelling in figure are briefly described below:
Fig. 1 is this utility model automatic gear-box structural representation.
In figure: 1. input gear, 2. output gear, 3. parking wheel, 4. sun gear, 5. planetary gear I, 6. planetary gear II, 7. Planet carrier, 8. gear ring, 9. brake, 10. clutch, 11. deceleration driving gears, 12. reduction driven gear, 13. differential mechanisms, 14. power shafts, 15. output shafts.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, detailed description of the invention of the present utility model is made the most in detail Thin explanation.
As it is shown in figure 1, this electronic automatic gearbox for vehicle, including power shaft 14, output shaft 15, planet circular system, differential mechanism 13, parking wheel 3, brake 9, clutch 10 and gear box control unit, wherein, output shaft is positioned at power shaft and differential mechanism Between rotating shaft, the rotating shaft side by side parallel of power shaft and output shaft and differential mechanism is arranged.
Planet circular system includes sun gear 4, planetary gear, planet carrier 7 and gear ring 8, and planetary gear is located on planet carrier, planetary gear Between sun gear and gear ring, planetary gear is two, respectively planetary gear I 5 and planetary gear II 6, and sun gear passes through two row Star-wheel is connected with gear ring.
Sun gear 4 is fixed on output shaft 15, and planet carrier 7 empty set, on output shaft 15, output shaft is set with and gear ring 8 The deceleration driving gear 11 being connected, power shaft 14 is provided with input gear 1, and output shaft 15 is provided with and is meshed with input gear Output gear 2, input gear forms primary speed-down gear train with output gear.
It is connected, by between Clutch Control planet carrier and sun gear by clutch 10 between sun gear 4 and planet carrier Connection or disconnection;It is connected by brake between planet carrier with gear box casing, controls planet carrier and speed change by brake Connection between tank shell or disconnection.
Subtracting gear by master between output shaft 15 with differential mechanism 13 to be connected, the main gear that subtracts includes deceleration driving gear 11 and subtracts Speed driven gear 12, deceleration driving gear empty set on output shaft, deceleration driving gear and the reduction driven being located on differential mechanism Gear is meshed, and deceleration driving gear forms double-reduction gear group with reduction driven gear.
Output shaft 15 be provided with parking wheel 3, wherein, output gear between parking wheel and deceleration driving gear, parking Wheel, output gear and deceleration driving gear are arranged side by side, and planet carrier, sun gear and deceleration driving gear are arranged side by side, structure Compact, it is simple to arrange.
Clutch includes piston, thrust bearing and friction plate group, and described piston is located on gear box casing, the head of piston Portion is by thrust bearing and friction plate group phase separation.In clutch, plunger shaft does not rotates, without the centrifugal force impact on pressure, favorably In Stress control, Clutch Control is more accurate.
Brake is hydraulic control, and its structure can be that clutch is identical.Friction plate on planet carrier includes the first friction Sheet and the second friction plate, the first friction plate is connected with clutch, and the second friction plate is connected with brake, compact conformation, it is simple to cloth Put.
Clutch is all connected with gear box control unit with brake, the judgement of shift points speed and clutch and brake Combination and unclamping all be controlled by gear box control unit, thus realize fluid drive.
Two shift automatic variable speed casees each gear transfer route:
Transfer route when one grade is:
When one grade, brake operation, make planet carrier be fixed on gear box casing, power passes according to the route of lower section Pass:
Power shaft → input gear → output gear → sun gear → gear ring → deceleration driving gear → reduction driven gear → differential mechanism.
Transfer route when two grades is:
When two grades, clutch works, and makes planet carrier connect firmly with sun gear, and power transmits according to the route of lower section:
Power shaft → input gear → output gear → gear ring → deceleration driving gear → reduction driven gear → differential mechanism.
Fluid drive mode:
The starting of one grade of vehicle travels, and brake combines clutch and unclamps, when speed reaches the shift-up point of current motor load During speed, being switched to two grades, releasing of brake, clutch combines;When speed drops to the downshift point speed of current motor load, Being switched to one grade, brake combines clutch and unclamps.
The judgement of shifting points speed and clutch and brake combine and the control unclamped is by transmission control unit control, Realizing the gear shift of two grades of power failure-free of electric motor car, transmission efficiency is high, promotes electrical vehicular power performance, and simple in construction, tight Gather.
Above in conjunction with accompanying drawing, this utility model is exemplarily described, it is clear that this utility model implements and is not subject to The restriction of aforesaid way, as long as have employed design of the present utility model and the improvement of various unsubstantialities that technical scheme is carried out, Or the most improved design of the present utility model and technical scheme are directly applied to other occasion, all guarantor of the present utility model Within the scope of protecting.

Claims (10)

1. an electronic automatic gearbox for vehicle, including power shaft, output shaft, differential mechanism and planet circular system, described planetary gear System includes sun gear, planetary gear, planet carrier and gear ring, it is characterised in that: also include brake and clutch, described sun gear Being fixed on output shaft, planet carrier empty set, on output shaft, output shaft is set with the deceleration driving gear being connected with gear ring, defeated Enter and be connected by gear between axle with output shaft, be connected by clutch between described sun gear and planet carrier, described planet carrier It is connected by brake with between gear box casing, described deceleration driving gear and the reduction driven gear phase being located on differential mechanism Engagement.
Electronic automatic gearbox for vehicle the most as claimed in claim 1, it is characterised in that: described power shaft and output shaft side by side parallel Arrange.
Electronic automatic gearbox for vehicle the most as claimed in claim 1, it is characterised in that: described output shaft is provided with parking wheel.
Electronic automatic gearbox for vehicle the most as claimed in claim 1, it is characterised in that: described clutch includes piston, thrust axis Holding and friction plate group, described piston is located on gear box casing, and the head of piston is made with friction plate group mutually by thrust bearing With.
Electronic automatic gearbox for vehicle the most as claimed in claim 1, it is characterised in that: also include gear box control unit, described Clutch is all connected with gear box control unit with brake.
Electronic automatic gearbox for vehicle the most as claimed in claim 1, it is characterised in that: described planet carrier, sun gear and deceleration Driving gear is arranged side by side.
Electronic automatic gearbox for vehicle the most as claimed in claim 1, it is characterised in that: described power shaft is provided with input gear, Output shaft is provided with the output gear being meshed with input gear, and input gear forms primary speed-down gear train with output gear.
Electronic automatic gearbox for vehicle the most as claimed in claim 1, it is characterised in that: the deceleration driving gear on described output shaft Double-reduction gear group is formed with the reduction driven gear on differential mechanism.
Electronic automatic gearbox for vehicle the most as claimed in claim 1, it is characterised in that: described output shaft is positioned at power shaft and differential Between the rotating shaft of device.
Electronic automatic gearbox for vehicle the most as claimed in claim 4, it is characterised in that: the friction plate on described planet carrier includes First friction plate and the second friction plate, the first friction plate is connected with clutch, and the second friction plate is connected with brake.
CN201620847842.5U 2016-08-08 2016-08-08 A kind of electronic automatic gearbox for vehicle Active CN205859086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620847842.5U CN205859086U (en) 2016-08-08 2016-08-08 A kind of electronic automatic gearbox for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620847842.5U CN205859086U (en) 2016-08-08 2016-08-08 A kind of electronic automatic gearbox for vehicle

Publications (1)

Publication Number Publication Date
CN205859086U true CN205859086U (en) 2017-01-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620847842.5U Active CN205859086U (en) 2016-08-08 2016-08-08 A kind of electronic automatic gearbox for vehicle

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090171A (en) * 2016-08-08 2016-11-09 吉孚动力技术(中国)有限公司 Electronic automatic gearbox for vehicle
CN111734796A (en) * 2020-08-03 2020-10-02 北京航空航天大学 2-gear speed change mechanism for electric vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090171A (en) * 2016-08-08 2016-11-09 吉孚动力技术(中国)有限公司 Electronic automatic gearbox for vehicle
CN111734796A (en) * 2020-08-03 2020-10-02 北京航空航天大学 2-gear speed change mechanism for electric vehicle

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