CN108799440A - A kind of two grades of electric gear shift(ing)s of integrated form - Google Patents
A kind of two grades of electric gear shift(ing)s of integrated form Download PDFInfo
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- CN108799440A CN108799440A CN201811003328.3A CN201811003328A CN108799440A CN 108799440 A CN108799440 A CN 108799440A CN 201811003328 A CN201811003328 A CN 201811003328A CN 108799440 A CN108799440 A CN 108799440A
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- gear
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- input shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of two grades of electric gear shift(ing)s of integrated form, including sequentially connected driving motor, transmission gear component and differential mechanism, the transmission gear component includes engaging element, input shaft, jackshaft, output shaft, one grade of driving gear, first speed driven gear, two grades of driving gears, two grades of driven gears and main reducing gear driving gear, main reducing gear driven gear, input shaft is connect with driving motor, one grade of driving gear, two grades of driving gears respectively with input axis connection, first speed driven gear, main reducing gear driving gear and two grades of driven gears respectively with intermediate axis connection, main reducing gear driven gear is set to after being connect with differential mechanism on output shaft, engaging element includes left-interface part, right side bonding part and sync section, sync section and input shaft or intermediate axis connection.Compared with prior art, the present invention has many advantages, such as that compact-sized, service life is long.
Description
Technical field
The present invention relates to a kind of electric gear shift(ing)s, more particularly, to a kind of two grades of electric gear shift(ing)s of integrated form.
Background technology
Currently, most of pure electric vehicle speed changers are single speed transmission, although automatically controlled difficulty is small, drivability is good,
Driving motor drive efficiency is easy to be affected under high-speed working condition, and the demand power of motor is excessive, cause motor volume and
Cost is excessively high；Existing two speed gear gear shift can effectively improve the working efficiency of driving motor, and can reduce driving electricity
The maximum power requirement of machine, but its engaging element is general double clutch or bilateral synchronous device structure, using it is double from
Gearshift procedure power may be implemented without interruption gear shift in clutch, but automatically controlled difficulty and structure complexity increase；Using synchronizer system
Although there are gear shift power interruption, automatically controlled difficulty is low, and system complexity reduces, and cost is therefore relatively low, is current cost performance
Higher selection.However, either clutch system or synchronizer system, complexity is comparatively still higher, body
Product and cost are difficult to decrease, and entire speed changer overall volume and weight are larger.In addition, most of transmission system is using distributed
Structure, motor and controller be not integrated into inside case of transmission and its controller in, also result in speed changer knot
Structure is not compact enough.
Based on the above issues, patent CN 105805260A disclose a kind of rear axle of electric automobile driving device, equally adopt
With two grades of forms, engaging element is synchronizer system, and engaging element is located on jackshaft, for opposite input shaft, is increased
Speed changer axial dimension.However the driving motor of the patent is not integrated into inside speed changer, speed changer structure is still not compact enough.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of two grades of electricity of integrated form
Dynamic speed changer.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of two grades of electric gear shift(ing)s of integrated form, including the driving motor, transmission gear component and the differential that are internally integrated
Device, driving motor, transmission gear component, differential mechanism are sequentially connected, and the transmission gear component includes engaging element, defeated
Enter axis, jackshaft, output shaft, intermeshing one grade of driving gear, first speed driven gear, intermeshing two grades of driving tooths
Wheel, two grades of driven gears and main reducing gear driving gear, main reducing gear driven gear, the input shaft connect with driving motor
Connect, one grade of driving gear, two grades of driving gears respectively with input axis connection, first speed driven gear, main reducing gear driving gear and
Two grades of driven gears respectively with intermediate axis connection, the main reducing gear driven gear connect with differential mechanism after be set to output shaft
On, the engaging element includes left-interface part, right side bonding part and sync section, the sync section and input
Axis or intermediate axis connection.
Preferably, when the sync section is with input axis connection, one grade of driving gear, two grades of equal empty sets of driving gear exist
On input shaft, the left-interface part is connected with two grades of driving gears, the right side bonding part and one grade of driving tooth
Wheel is connected, and the sync section is moved along input shaft between engaging element or so, and can be with left-interface part or the right side
Side engagement portion tap is closed.When the sync section is on the left of engaging element, and is engaged with left-interface part, driving electricity
The power of machine is transferred to two grades of driving gears；When sync section is on the right side of engaging element, and is engaged with right side bonding part,
The power of driving motor is transferred to one grade of driving gear.
Preferably, when the sync section is with intermediate axis connection, one grade of driving gear, two grades of driving gears respectively with it is defeated
It is affixed to enter axis, first speed driven gear, two grades of driven gears are placed on jackshaft respectively, and the sync section is along jackshaft
It moves left and right, left side bound fraction is made to be connected or make right side bonding part to be connected with first speed driven gear with two grades of driven gears.
When left-interface part is connected with two grades of driven gears, left-interface part is in engagement state, driving electricity with sync section
The power of machine is transferred to jackshaft by two grades of driven gears；When right side, bound fraction is connected with first speed driven gear, right side
Bonding part is in engagement state with sync section, and the power of driving motor is transferred to jackshaft by first speed driven gear.
Preferably, the engaging element uses gear clutch or synchronizer.
Preferably, the sync section is moved left and right by electronic or Ye Ye executing agencies along input shaft.
Preferably, the transmission gear component further includes the parking ratchet wheel for realizing parking, and the parking ratchet wheel is solid
It is scheduled on jackshaft.
Compared with prior art, the present invention has the following advantages：
1, compact-sized：Driving motor is integrated in inside speed changer by the present invention, electric control controller and speed changer control
Device processed is integrated, further increases the compact of drive system；
2, service life is long：The present invention uses the method for synchronization of gear clutch systematic substitution friction mode, without friction
Material can effectively extend the service life of engaging element；
3, volume weight is small, at low cost：It is simple in structure using gear clutch system engaging element, it can be by gear clutch
Left and right sides bonding part is integrated into corresponding gear internal (close to the part of transmission shaft), can effectively reduce the body of speed changer
Product, weight and cost；
4, shift time is short：Using the faster response characteristic active synchronization principal and subordinate end speed discrepancy of driving motor and outer corner difference,
The Fast synchronization process without speed discrepancy and outer corner difference of realization, while the control difficulty for reducing engaging element itself, improve vehicle
Driving.
Description of the drawings
Fig. 1 is the structural schematic diagram of two grades of electric gear shift(ing)s of integrated form of the first embodiment；
Fig. 2 is the structural schematic diagram of two grades of electric gear shift(ing)s of integrated form of second of embodiment；
Shown in figure label：
1, driving motor, 2, input shaft, 3, one grades of driving gears, 4, right side bonding part, 5, sync section, 6, left side connects
Close part, 7, two grades of driving gears, 8, jackshaft, 9, parking ratchet wheel, 10, two grades of driven gears, 11, main reducing gear driving tooth
Wheel, 12, first speed driven gear, 13, main reducing gear driven gear, 14, differential mechanism, 15, output shaft.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, the present invention relates to a kind of two grades of electric gear shift(ing)s of integrated form, mainly by driving motor 1, speed changer tooth
14 3 wheel assembly, differential mechanism parts form.Driving motor 1 is integrated in the inside of speed changer, electric control controller and speed change
Device controller collection is integral.
The transmission gear component includes 2, one grades of input shaft, 3, two grades of driving gear, 7, one grades of driven tooths of driving gear
Take turns 12, two grades of driven gears 10, engaging element, parking ratchet wheel 9, main reducing gear driving gear 11, main reducing gear driven gear 13,
Jackshaft 8, output shaft 15.Wherein, engaging element includes right side bonding part 4, sync section 5 and left-interface part 6.Gear shift
The preferred gear clutch of element.Gear clutch carries out rotating speed synchronization using non-friction type, does not need clutch system or same
Walk device system friction material.Gear clutch can be unilateral or bilateral clutch.In order to further reduce transmission shaft
To size, the bonding part of left and right sides can be directly integrated into the gear internal connected with it (close to the part of transmission shaft).
Input shaft 2 is directly connected with driving motor 1, and one grade of driving gear 3 and two grades of 7 equal empty sets of driving gear are inputting
On axis 2.Left-interface part 6 is fixed on two grades of driving gears 7, and right side bonding part 4 is fixed on one grade of driving gear 3, synchronous
Part 5 be fixed on input shaft 2 and can by its corresponding electronic or Ye Ye executing agency along input shaft 2 in gear shift
Element moves left and right.First speed driven gear 12, parking ratchet wheel 9, main reducing gear driving gear 11 and two grades of driven gears 10
It is respectively fixedly connected on jackshaft 8, wherein one grade of driving gear 3 is engaged with first speed driven gear 12, two grades of driving gears 7 and two
Shelves driven gear 10 engages.Main reducing gear driven gear 13 is connected with differential mechanism 14 and on output shaft 15, can pass through difference
Fast device 14 outputs power to vehicle.Parking ratchet wheel 9 can (generally electric operator be, it can be achieved that P grades by parking system
Position) realize parking effect.
The operation principle of two grades of electric gear shift(ing)s of integrated form of this structure is：
When sync section 5 is on the left of engaging element, and it is connected with left side bound fraction 6, the power of driving motor 1 can be with
Two grades of driving gears 7 are transferred to, speed changer is in two grades, i.e. high gear at this time；When sync section 5 is in the engaging element right side
Side, and be connected with right side bonding part 4, the power of driving motor 1 can be transferred to one grade of driving gear 3, at this time at speed changer
In one grade, i.e. low gear.Entire gearshift procedure is completed by its electronic or hydraulic actuating mechanism.
For its high gear to low gear or low gear to high speed gear switch process, specific operation process is such as
Under：
1) driving motor 1 unloads first, ensures that engaged engaging element system does not transmit torque；
2) shelves are plucked to engaged gear using the executing agency of engaging element；
3) rotating speed for controlling driving motor 1, principal and subordinate end in target gear engaging element is actively adjusted using driving motor 1
Speed discrepancy and outer corner difference ensure its speed discrepancy and outer corner difference in a certain range (at this point, its angular position may need to pass through
Sensor is obtained), the double-deck tracing control is needed at this time, by controlling the output torque of motor, while ensureing principal and subordinate end rotating speed
Difference and outer corner difference are to target level；
4) target gear is carried out using engaging element executing agency quickly hanging shelves, engages corresponding engaging element principal and subordinate end
Part；
5) according to the torque of current driver's demand torque recovery driving motor 1 to corresponding level.Entire gear switch
Difficulty be speed discrepancy and outer corner difference using driving motor Fast synchronization target gear principal and subordinate end, it is very fast using driving motor
Torque individual features, effectively reduce gearshift procedure power interruption, improve the driving of vehicle.
Embodiment 2
As shown in Fig. 2, the sync section 5 of two grades of electric gear shift(ing)s of the present embodiment integrated form is moved to centre from input shaft 2
On axis 8.One grade of driving gear 3 and two grades of driving gears 7 are fixed on input shaft 2 at this time；First speed driven gear 12
And two grades of driven gears 10 are then placed on jackshaft 8.When left-interface part 6 is connected with two grades of driven gears 10,
Left-interface part 6 and sync section 5 are in engagement state, then the power of driving motor 1 can be passed by 2 grades of driven gears 10
It is delivered to jackshaft 8；When right side bonding part 4 is connected with first speed driven gear 12, at right side bonding part 4 and sync section 5
It can be transferred to jackshaft 8 by first speed driven gear 12 in the power of engagement state, driving motor 1.
Other structures are same as Example 1 in the present embodiment.The work of two grades of electric gear shift(ing)s of integrated form of the present embodiment
Principle is same as Example 1.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The staff for being familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Such as change one grade, two grades of driving gears or one
The similar embodiment that the location of position of shelves, two grades of driven gears, or change engaging element obtain is in the patent
Within protection domain.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of two grades of electric gear shift(ing)s of integrated form, which is characterized in that including driving motor (1), the speed changer tooth being internally integrated
Wheel assembly and differential mechanism (14), driving motor (1), transmission gear component, differential mechanism (14) are sequentially connected, the speed changer
Gear assembly includes engaging element, input shaft (2), jackshaft (8), output shaft (15), intermeshing one grade of driving gear
(3), first speed driven gear (12), intermeshing two grades of driving gears (7), two grades of driven gears (10) and main reducing gear master
Moving gear (11), main reducing gear driven gear (13), the input shaft (2) are connect with driving motor (1), one grade of driving gear
(3), two grades of driving gears (7) connect with input shaft (2) respectively, first speed driven gear (12), main reducing gear driving gear (11)
And two grades of driven gears (10) connect with jackshaft (8) respectively, the main reducing gear driven gear (13) and differential mechanism (14)
It is set on output shaft (15) after connection, the engaging element includes left-interface part (6), right side bonding part (4) and same
Step part (5), the sync section (5) are connect with input shaft (2) or jackshaft (8).
2. two grades of electric gear shift(ing)s of a kind of integrated form according to claim 1, which is characterized in that the sync section
(5) when being connect with input shaft (2), one grade of driving gear (3), two grades of driving gear (7) empty sets are described on input shaft (2)
Left-interface part (6) be connected with two grades of driving gears (7), the right side bonding part (4) and one grade of driving gear (3)
It is connected, the sync section (5) is moved along input shaft (2) between engaging element or so, and can be with left-interface part
(6) or right side bonding part (4) engage.
3. two grades of electric gear shift(ing)s of a kind of integrated form according to claim 2, which is characterized in that when the sync section
(5) when being on the left of engaging element, and being engaged with left-interface portion, the power of driving motor (1) is transferred to two grades of driving gears
(7)；When sync section (5) is on the right side of engaging element, and is engaged with right side bonding part (4), the power of driving motor (1)
It is transferred to one grade of driving gear (3).
4. two grades of electric gear shift(ing)s of a kind of integrated form according to claim 1, which is characterized in that the sync section
(5) when being connect with jackshaft (8), one grade of driving gear (3), two grades of driving gears (7) are affixed with input shaft (2) respectively, one grade
Driven gear (12), two grades of driven gears (10) are placed in respectively on jackshaft (8), and the sync section (5) is along centre
Axis (8) moves left and right, make left side bound fraction and two grades of driven gears (10) be connected or make on the right side of bonding part (4) and one grade from
Moving gear (12) is connected.
5. two grades of electric gear shift(ing)s of a kind of integrated form according to claim 4, which is characterized in that when left-interface part
(6) when being connected with two grades of driven gears (10), left-interface part (6) are in engagement state, driving motor with sync section (5)
(1) power is transferred to jackshaft (8) by two grades of driven gears (10)；When right side bound fraction and first speed driven gear (12)
When being connected, right side bonding part (4) are in engagement state with sync section (5), and the power of driving motor (1) is driven by one grade
Gear (12) is transferred to jackshaft (8).
6. two grades of electric gear shift(ing)s of a kind of integrated form according to claim 1, which is characterized in that the engaging element is adopted
With gear clutch or synchronizer.
7. two grades of electric gear shift(ing)s of a kind of integrated form according to claim 2, which is characterized in that the sync section
(5) it is moved left and right along input shaft (2) by electronic or Ye Ye executing agencies.
8. two grades of electric gear shift(ing)s of a kind of integrated form according to claim 1, which is characterized in that the transmission gear
Component further includes the parking ratchet wheel (9) for realizing parking, which is fixed on jackshaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003328.3A CN108799440A (en) | 2018-08-30 | 2018-08-30 | A kind of two grades of electric gear shift(ing)s of integrated form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003328.3A CN108799440A (en) | 2018-08-30 | 2018-08-30 | A kind of two grades of electric gear shift(ing)s of integrated form |
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| Publication Number | Publication Date |
|---|---|
| CN108799440A true CN108799440A (en) | 2018-11-13 |
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| CN201811003328.3A Pending CN108799440A (en) | 2018-08-30 | 2018-08-30 | A kind of two grades of electric gear shift(ing)s of integrated form |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372960A (en) * | 2018-11-28 | 2019-02-22 | 宁波上中下自动变速器有限公司 | Single motor single planetary gear multistage gear shift transmission and automobile |
| CN110065374A (en) * | 2019-04-25 | 2019-07-30 | 陕西法士特齿轮有限责任公司 | A kind of integrated two grades of electric drive systems |
| CN110395106A (en) * | 2019-08-15 | 2019-11-01 | 苏州格特钠汽车技术有限公司 | A kind of hybrid gearbox for hybrid vehicle |
| CN110549834A (en) * | 2019-08-14 | 2019-12-10 | 上海伊控动力***有限公司 | Single-motor four-wheel drive system for pure electric vehicle |
| WO2021258361A1 (en) * | 2020-06-24 | 2021-12-30 | 华为数字能源技术有限公司 | Transmission and automobile |
| WO2022070912A1 (en) | 2020-09-30 | 2022-04-07 | 株式会社アイシン | Vehicle drive device |
| CN115264020A (en) * | 2022-09-27 | 2022-11-01 | 小米汽车科技有限公司 | Speed reducer, power drive assembly and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782132A (en) * | 2010-03-09 | 2010-07-21 | 泰州科美达汽车科技发展有限公司 | Two-stage automatic gear shift transmission device |
| CN102490595A (en) * | 2011-12-30 | 2012-06-13 | 上海中科深江电动车辆有限公司 | Integrated electric power assembly for electric automobile |
| CN102616134A (en) * | 2012-04-16 | 2012-08-01 | 中国汽车技术研究中心 | Integrated driving device for pure electric vehicle |
| US20170023115A1 (en) * | 2010-01-14 | 2017-01-26 | Michael L. Valesh | Multi ratio drive |
| JP2018510300A (en) * | 2015-03-11 | 2018-04-12 | ジー・ケー・エヌ オートモーティヴ リミテッドＧＫＮ Ａｕｔｏｍｏｔｉｖｅ Ｌｉｍｉｔｅｄ | Transmission assembly and electric drive comprising such a transmission assembly |
-
2018
- 2018-08-30 CN CN201811003328.3A patent/CN108799440A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170023115A1 (en) * | 2010-01-14 | 2017-01-26 | Michael L. Valesh | Multi ratio drive |
| CN101782132A (en) * | 2010-03-09 | 2010-07-21 | 泰州科美达汽车科技发展有限公司 | Two-stage automatic gear shift transmission device |
| CN102490595A (en) * | 2011-12-30 | 2012-06-13 | 上海中科深江电动车辆有限公司 | Integrated electric power assembly for electric automobile |
| CN102616134A (en) * | 2012-04-16 | 2012-08-01 | 中国汽车技术研究中心 | Integrated driving device for pure electric vehicle |
| JP2018510300A (en) * | 2015-03-11 | 2018-04-12 | ジー・ケー・エヌ オートモーティヴ リミテッドＧＫＮ Ａｕｔｏｍｏｔｉｖｅ Ｌｉｍｉｔｅｄ | Transmission assembly and electric drive comprising such a transmission assembly |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372960A (en) * | 2018-11-28 | 2019-02-22 | 宁波上中下自动变速器有限公司 | Single motor single planetary gear multistage gear shift transmission and automobile |
| CN110065374A (en) * | 2019-04-25 | 2019-07-30 | 陕西法士特齿轮有限责任公司 | A kind of integrated two grades of electric drive systems |
| CN110065374B (en) * | 2019-04-25 | 2024-02-06 | 陕西法士特齿轮有限责任公司 | Integrated two-gear electric drive system |
| CN110549834A (en) * | 2019-08-14 | 2019-12-10 | 上海伊控动力***有限公司 | Single-motor four-wheel drive system for pure electric vehicle |
| CN110395106A (en) * | 2019-08-15 | 2019-11-01 | 苏州格特钠汽车技术有限公司 | A kind of hybrid gearbox for hybrid vehicle |
| WO2021258361A1 (en) * | 2020-06-24 | 2021-12-30 | 华为数字能源技术有限公司 | Transmission and automobile |
| CN114096766A (en) * | 2020-06-24 | 2022-02-25 | 华为数字能源技术有限公司 | Transmission and automobile |
| WO2022070912A1 (en) | 2020-09-30 | 2022-04-07 | 株式会社アイシン | Vehicle drive device |
| CN115264020A (en) * | 2022-09-27 | 2022-11-01 | 小米汽车科技有限公司 | Speed reducer, power drive assembly and vehicle |
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Application publication date: 20181113 |