CN103511558A - Drive device and vehicle with same - Google Patents
Drive device and vehicle with same Download PDFInfo
- Publication number
- CN103511558A CN103511558A CN201210214886.0A CN201210214886A CN103511558A CN 103511558 A CN103511558 A CN 103511558A CN 201210214886 A CN201210214886 A CN 201210214886A CN 103511558 A CN103511558 A CN 103511558A
- Authority
- CN
- China
- Prior art keywords
- input
- speed reducer
- drive unit
- gear axle
- input gear
- 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
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02013—Extension units for gearboxes, e.g. additional units attached to a main gear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Rolling Contact Bearings (AREA)
- General Details Of Gearings (AREA)
Abstract
A drive device comprises a first input motor, a second input motor and a gearbox, wherein the gearbox comprises a gearbox shell, an output shaft, a first input gear shaft, a second input gear shaft, a first conical roller bearing, a cylindrical roller bearing and a transmission gear, the first input gear shaft and the second input gear shaft are arranged on the two sides of the output shaft, and the output shaft is sleeved with the transmission gear. The transmission gear is connected with the first input gear shaft and the second input gear shaft respectively. A first input motor transmission shaft on the first input motor is connected with the first input gear shaft, a second input motor transmission shaft on the second input motor is connected with the second input gear shaft, one end of the output shaft is supported on the gearbox shell through the first conical roller bearing, and the other end of the output shaft is supported on the gearbox shell through the cylindrical roller bearing. The invention provides the drive device and a vehicle with the drive device, so that large torque output is achieved, and the layout inside the gearbox is more reasonable.
Description
Technical field
The present invention relates to a kind of drive unit and comprise the vehicle of this drive unit.
Background technique
The double-motor power mixing driving device of prior art, the gear on its output shaft and output shaft is that interference press-fit connects into monolithic construction, the output shaft of this form is difficult to bear the torsion of high pulling torque.Meanwhile, this double-motor power mixing driving device, its output shaft is to be supported in casing by two deep groove ball bearings, because deep groove ball bearing cannot bear large axial force, therefore this device is difficult to bear larger axial force and radial force.In sum, this double-motor power synthesis device is difficult to export large moment of torsion.
Summary of the invention
The problem that is difficult to export large moment of torsion for solving existing drive unit, the vehicle that the invention provides a kind of drive unit and comprise this drive unit, can high pulling torque output.
Technological scheme of the present invention is:
A kind of drive unit, comprise the first input motor, the second input motor and speed reducer, wherein, described speed reducer comprises reduction box casing, output shaft, be arranged on the first input gear axle and the second input gear axle of described output shaft both sides, the first tapered roller bearing, roller bearing and be sleeved on the driving gear on described output shaft, described driving gear respectively with described the first input gear axle, described the second input gear axle is meshed, the first input motor transmission shaft on described the first input motor is connected with described the first input gear axle, the second input motor transmission shaft on described the second input motor is connected with described the second input gear axle, one end of described output shaft is supported on described reduction box casing by described the first tapered roller bearing, the other end is supported on described reduction box casing by described roller bearing.
As the preferred structure of the present invention, described the first input gear axle is supported on described reduction box casing by the first deep groove ball bearing and the second deep groove ball bearing, and described the second input gear axle is supported on described reduction box casing by the 3rd deep groove ball bearing and the 4th deep groove ball bearing.
Described speed reducer also comprises the second tapered roller bearing, and described the first tapered roller bearing and described the second tapered roller bearing biserial support one end of described output shaft side by side.
As preferred structure, described speed reducer also comprises output flange, and described output flange is connected with described output shaft.
As preferred structure, between described speed reducer and output flange, pass through oil sealing sealing.
As preferred structure, described speed reducer also comprises the first sealing door and the second sealing door, described the first sealing door be fixed on described reduction box casing and by described the first input gear shaft sealing in described speed reducer, described the second sealing door is fixed on described reduction box casing also described the second input gear shaft sealing in described speed reducer.
As preferred structure, at described the first input motor transmission shaft, be arranged with the first firmware outward, described the first firmware supports described the first input motor transmission shaft and respectively described speed reducer and described the first input motor seam is located; At described the second input motor transmission shaft, be arranged with the second firmware outward, described the second firmware supports described the second input motor transmission shaft and respectively described speed reducer and described the second input motor seam is located.
As preferred structure, between described the first firmware and described the first input motor transmission shaft, be provided with the first firmware oil sealing, between described the second firmware and described the second input motor transmission shaft, be provided with the second firmware oil sealing.
As preferred structure, described driving gear and described output shaft spline joint, described the first input motor transmission shaft and described the first input gear axle spline joint, described the second input motor transmission shaft and described the second input gear axle spline joint.
, described vehicle comprises above-mentioned drive unit.
The present invention has the following advantages: the output shaft of drive unit is supported on reduction box casing by tapered roller bearing and roller bearing, can bear large axial force, thereby realizes high pulling torque output, can make in addition speed reducer interior layout more reasonable.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of the drive unit of one embodiment of the present invention.
Embodiment
In order to make technical problem solved by the invention, technological scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with accompanying drawing, the present invention is done to further detailed description:
As shown in Figure 1, the drive unit of one embodiment of the present invention, comprise the first input motor 1, the second input motor 2 and speed reducer 3, wherein, described speed reducer 3 comprises reduction box casing 4, output shaft 10, be arranged on the first input gear axle 7 and the second input gear axle 8 of described output shaft 10 both sides, the first tapered roller bearing 16, roller bearing 15 and be sleeved on the driving gear 9 on described output shaft 10, described driving gear 9 respectively with described the first input gear axle 7, described the second input gear axle 8 is meshed, the first input motor transmission shaft 5 on described the first input motor 1 is connected with described the first input gear axle 7, the second input motor transmission shaft 6 on described the second input motor 2 is connected with described the second input gear axle 8, described output shaft 10 one end is supported on described reduction box casing 4 by described the first tapered roller bearing 16, the other end is supported on described reduction box casing 4 by described roller bearing 15.
At this, it should be noted that: the high rotating speed of described the first input motor 1 and described the second input motor 2 is respectively by described the first input motor transmission shaft 5 and the described speed reducer 3 of described the second input motor transmission shaft 6 input.Described the first input gear axle 7 spline joints in described the first input motor transmission shaft 5 and described speed reducer 3 also drive described the first input gear axle 7 to run up; Described the second input gear axle 8 spline joints in described the second input motor transmission shaft 6 and described speed reducer 3 also drive described the second input gear axle 8 to run up.
In force, described driving gear (9) can carry out spline joint with described output shaft (10), and described driving gear (9) also carries out spline joint with described the first input gear axle (7), described the second input gear axle (8) respectively.
As shown in Figure 1, described the first input gear axle 7 is supported on described reduction box casing 4 by the first deep groove ball bearing 11 and the second deep groove ball bearing 12, and described the second input gear axle 8 is supported on described reduction box casing 4 by the 3rd deep groove ball bearing 13 and the 4th deep groove ball bearing 14.
At this, it should be noted that: described the first deep groove ball bearing 11, the second deep groove ball bearing 12, the 3rd deep groove ball bearing 13 and the 4th deep groove ball bearing 14 are supported on high-revolving described the first input gear axle 7 on described speed reducer 3 with described the second input gear axle 8, sturdy and durable in running up, Maintenance free, deep groove ball bearing is except bearing radial load, also bear two-way axial load, bear high rotating speed input.
In concrete enforcement, described speed reducer 3 also comprises the second tapered roller bearing 17, described the first tapered roller bearing 16 and described the second tapered roller bearing 17 biserials are matched side by side and are supported described output shaft 10 one end, and the other end of described output shaft 10 is supported on described reduction box casing by roller bearing 15.
At this, it should be noted that: described the first tapered roller bearing 16 in described speed reducer 3 and described the second tapered roller bearing 17 are biserial tapered roller bearing side by side, double row bearing can bear radial load and bi-directional axial load, can bear heavy load and impact load, described the first tapered roller bearing 16 and described the second tapered roller bearing 17 outer ring and its inner assembly are separable, be convenient to mounting or dismounting, can bear high pulling torque output.
The tapered roller of tapered roller bearing is line with raceway and contacts, and can bear heavy load.
As shown in Figure 1, described speed reducer 3 also comprises output flange 18, and described output flange 18 is connected with described output shaft 10.
At this, it should be noted that: described output shaft 10 can be connected with transferring power with transmission shaft by described output flange 18.
In concrete enforcement, 18 of described speed reducer 3 and output flanges seal by oil sealing 19.
Described speed reducer 3 also comprises the first sealing door 20 and the second sealing door 21, described the first sealing door 20 is fixed on described reduction box casing 4 and described the first input gear axle 7 is sealed in described speed reducer 3, and described the second sealing door 21 is fixed on described reduction box casing 4 and described the second input gear axle 8 is sealed in described speed reducer 3.
It should be noted that: for the ease of described driving gear 9 is installed, described the first sealing door 20 and described the second sealing door 21 are set on described speed reducer 3.
In concrete enforcement: input outside motor transmission shaft 5 and be arranged with the first firmware 22 described first, described the first firmware 22 supports described the first input motor transmission shaft 5 and respectively described speed reducer 3 and described the first input motor 1 seam located; Outside described the second input motor transmission shaft 6, be arranged with the second firmware 23, described the second firmware 23 supports described the second input motor transmission shaft 6 and respectively described speed reducer 3 and described second is inputted to motor 2 seam location.
At this, it should be noted that: described the first firmware 22 supports described the first input motor transmission shaft 5, and by described the first firmware 22 and described first input the first firmware oil sealing 24 between motor transmission shaft 5 by seal oil in described speed reducer 3; Described the second firmware 23 supports described the second input motor transmission shaft 6, and by described the second firmware 23 and described second input the second firmware oil sealing 25 between motor transmission shaft 6 by seal oil in described speed reducer 3.Speed reducer 3 stated by 22 pairs, described the first firmware and described the first input motor 1 is carried out sealing seam location; 23 pairs of described speed reduceres 3 of described the second firmware and described the second input motor 2 are carried out sealing seam location.
Use the Power Drive Unit of dual-motor structure, when needs power assembly output high pulling torque, by two motors, worked simultaneously, make a concerted effort to export high pulling torque; When power assembly does not need to export high pulling torque, can make a machine operation, another motor stops, when meeting the requirement of car load drive performance, reduced the difficulty of motor manufacturing, reduce manufacturing cost, the working life that simultaneously makes motor also improve motivational drive assembly in effectively energy-conservation.
The present invention also provides a kind of vehicle, and described vehicle comprises drive unit, and described drive unit is above-mentioned drive unit.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a drive unit, comprise the first input motor (1), the second input motor (2) and speed reducer (3), it is characterized in that: described speed reducer (3) comprises reduction box casing (4), output shaft (10), be arranged on the first input gear axle (7) and the second input gear axle (8) of described output shaft (10) both sides, the first tapered roller bearing (16), roller bearing (15) and be sleeved on the driving gear (9) on described output shaft (10), described driving gear (9) respectively with described the first input gear axle (7), described the second input gear axle (8) is meshed, the first input motor transmission shaft (5) on described the first input motor (1) is connected with described the first input gear axle (7), the second input motor transmission shaft (6) on described the second input motor (2) is connected with described the second input gear axle (8), one end of described output shaft (10) is supported on described reduction box casing (4) by described the first tapered roller bearing (16), the other end is supported on described reduction box casing (4) by described roller bearing (15).
2. drive unit as claimed in claim 1, it is characterized in that, it is upper that described the first input gear axle (7) is supported on described reduction box casing (4) by the first deep groove ball bearing (11) and the second deep groove ball bearing (12), and described the second input gear axle (8) is supported on described reduction box casing (4) by the 3rd deep groove ball bearing (13) and the 4th deep groove ball bearing (14).
3. drive unit as claimed in claim 1, it is characterized in that, described speed reducer (3) also comprises the second tapered roller bearing (17), and described the first tapered roller bearing (16) and described the second tapered roller bearing (17) biserial support one end of described output shaft (10) side by side.
4. drive unit as claimed in claim 1, is characterized in that, described speed reducer (3) also comprises output flange (18), and described output flange (18) is connected with described output shaft (10).
5. drive unit as claimed in claim 4, is characterized in that, between described speed reducer (3) and output flange (18), by oil sealing (19), seals.
6. drive unit as claimed in claim 1, it is characterized in that, described speed reducer (3) also comprises the first sealing door (20) and the second sealing door (21), described the first sealing door (20) is fixed on that described reduction box casing (4) go up and described the first input gear axle (7) is sealed in described speed reducer (3), and described second seals door (21) is fixed on that described reduction box casing (4) is gone up and described the second input gear axle (8) is sealed in described speed reducer (3).
7. drive unit as claimed in claim 1, it is characterized in that, outside described the first input motor transmission shaft (5), be arranged with the first firmware (22), described the first firmware (22) supports described the first input motor transmission shaft (5) and respectively described speed reducer (3) and described first is inputted to motor (1) seam location; Outside described the second input motor transmission shaft (6), be arranged with the second firmware (23), described the second firmware (23) supports described the second input motor transmission shaft (6) and respectively described speed reducer (3) and described second is inputted to motor (2) seam location.
8. drive unit as claimed in claim 7, it is characterized in that, between described the first firmware (22) and described the first input motor transmission shaft (5), be provided with the first firmware oil sealing (24), between described the second firmware (23) and described the second input motor transmission shaft (6), be provided with the second firmware oil sealing (25).
9. drive unit as claimed in claim 1, it is characterized in that, described driving gear (9) and described output shaft (10) spline joint, described the first input motor transmission shaft (5) and described the first input gear axle (7) spline joint, described the second input motor transmission shaft (6) and described the second input gear axle (8) spline joint.
10. a vehicle, described vehicle comprises drive unit, it is characterized in that, described drive unit is the drive unit described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214886.0A CN103511558A (en) | 2012-06-27 | 2012-06-27 | Drive device and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214886.0A CN103511558A (en) | 2012-06-27 | 2012-06-27 | Drive device and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103511558A true CN103511558A (en) | 2014-01-15 |
Family
ID=49894788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210214886.0A Pending CN103511558A (en) | 2012-06-27 | 2012-06-27 | Drive device and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103511558A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500657A (en) * | 2014-12-26 | 2015-04-08 | 哈尔滨固泰电子有限责任公司 | Twin-engine parallel operation automobile gearbox and transmission method |
| CN108644362A (en) * | 2018-07-05 | 2018-10-12 | 江苏华光双顺机械制造有限公司 | Vertical radial extrusion pipe-making machine special gear box |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619829Y (en) * | 2003-04-30 | 2004-06-09 | 杭州火烈鸟绿色动力研究所 | Double motor input speed reducer for electric vehicle |
| CN2850996Y (en) * | 2005-11-23 | 2006-12-27 | 王春富 | Fuel motor and parallel double-motor hybrid drive electric vehicle |
| CN101503054A (en) * | 2008-12-15 | 2009-08-12 | 同济大学 | Double-motor power mixing driving device |
| CN201354008Y (en) * | 2009-02-25 | 2009-12-02 | 华融万源客车制造有限公司 | Double-motor input reducer for electric vehicle |
| CN201800514U (en) * | 2010-09-01 | 2011-04-20 | 安徽欧霖机电有限公司 | Dual-motor driving assembly for electric vehicle |
| CN202040277U (en) * | 2011-03-02 | 2011-11-16 | 江苏省金象减速机有限公司 | High-power double-input axial rolling speed reducer for ring rolling machine |
| DE102010053890A1 (en) * | 2010-12-09 | 2012-06-14 | Audi Ag | Drive e.g. bi-motor-drive for motor vehicle, has synchronous or positive locking clutch which is provided for coupling drive unit with output shaft |
| CN202707938U (en) * | 2012-06-27 | 2013-01-30 | 比亚迪股份有限公司 | Driving device and vehicle comprising same |
-
2012
- 2012-06-27 CN CN201210214886.0A patent/CN103511558A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619829Y (en) * | 2003-04-30 | 2004-06-09 | 杭州火烈鸟绿色动力研究所 | Double motor input speed reducer for electric vehicle |
| CN2850996Y (en) * | 2005-11-23 | 2006-12-27 | 王春富 | Fuel motor and parallel double-motor hybrid drive electric vehicle |
| CN101503054A (en) * | 2008-12-15 | 2009-08-12 | 同济大学 | Double-motor power mixing driving device |
| CN201354008Y (en) * | 2009-02-25 | 2009-12-02 | 华融万源客车制造有限公司 | Double-motor input reducer for electric vehicle |
| CN201800514U (en) * | 2010-09-01 | 2011-04-20 | 安徽欧霖机电有限公司 | Dual-motor driving assembly for electric vehicle |
| DE102010053890A1 (en) * | 2010-12-09 | 2012-06-14 | Audi Ag | Drive e.g. bi-motor-drive for motor vehicle, has synchronous or positive locking clutch which is provided for coupling drive unit with output shaft |
| CN202040277U (en) * | 2011-03-02 | 2011-11-16 | 江苏省金象减速机有限公司 | High-power double-input axial rolling speed reducer for ring rolling machine |
| CN202707938U (en) * | 2012-06-27 | 2013-01-30 | 比亚迪股份有限公司 | Driving device and vehicle comprising same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500657A (en) * | 2014-12-26 | 2015-04-08 | 哈尔滨固泰电子有限责任公司 | Twin-engine parallel operation automobile gearbox and transmission method |
| CN108644362A (en) * | 2018-07-05 | 2018-10-12 | 江苏华光双顺机械制造有限公司 | Vertical radial extrusion pipe-making machine special gear box |
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| PB01 | Publication | ||
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Application publication date: 20140115 |