CN208428960U - A kind of integration electric drive power assembly - Google Patents
A kind of integration electric drive power assembly Download PDFInfo
- Publication number
- CN208428960U CN208428960U CN201820906595.0U CN201820906595U CN208428960U CN 208428960 U CN208428960 U CN 208428960U CN 201820906595 U CN201820906595 U CN 201820906595U CN 208428960 U CN208428960 U CN 208428960U
- Authority
- CN
- China
- Prior art keywords
- gear
- gearbox
- power assembly
- bearing
- main shaft
- 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.)
- Active
Links
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a kind of integrated electric drive power assembly, solve the problems, such as that electric drive power assembly axial dimension is larger in the prior art, heavier-weight.The power assembly includes motor and gearbox, and the output shaft of the motor and the input shaft of the gearbox are made into integration, and constitute the main shaft of power assembly, and parking gear is provided in the gearbox, and the parking gear is fixedly mounted on the main shaft.The utility model significantly reduces the axial dimension of power assembly, is conducive to the lightweight and arrangement in the car of power assembly.
Description
Technical field
The utility model relates to a kind of integrated electric drive power assemblies, connect with vehicle bridge, for driving vehicle.
Background technique
Current pure electric vehicle or hybrid power new-energy automobile, is provided with electric drive power assembly, electric drive power
Assembly includes motor and retarder, the output shaft (or shaft) of motor and the input axis connection transmission force square of retarder.
The output shaft (or shaft) of motor and the input shaft of retarder are usually to be coupled by shaft coupling, and part is more, ties
Structure is complicated, precision is low, noise is high, and increases the axial dimension of retarder and motor, is unfavorable for the light of electric drive power assembly
Quantization and arrangement in the car.
In existing retarder, brake is stayed when some setting parking gears stop for vehicle with preventing car slipping (P grades)
Skiving wheel can prevent running part from rotating when being locked up.Parking gear is typically located on jackshaft or output differential,
It is arranged at the two positions, the parking torque of parking gear is larger, and the axial dimension of parking gear will be designed bigger,
It also will increase the axial dimension of retarder in this way.
Utility model content
For the above-mentioned problems in the prior art, it is total that the utility model provides a kind of integrated electric drive power
At can reduce the axial dimension of power assembly.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of integrated electric drive power assembly, including motor and gearbox, the motor it is defeated
The input shaft of shaft and the gearbox is made into integration, and is constituted the main shaft of power assembly, is provided with park tooth in the gearbox
Wheel, the parking gear are fixedly mounted on the main shaft.
Optionally, the rear end cap of the motor and the preceding cabinet of the gearbox are made into integration, and are arranged on the preceding cabinet
There is axis hole, the main shaft passes through the axis hole and enters in the gearbox.
Optionally, intermediate bearing and oil sealing are installed, the intermediate bearing supports the main shaft, the oil at the axis hole
It is sealed the gap between the main shaft and the axis hole, the gearbox and the motor seal are isolated.
Optionally, the main shaft both ends are respectively arranged with left end bearing and right end bearing, and the left end bearing is fixedly mounted
On the rear box of the gearbox, bearing block is correspondingly arranged on the rear box, the right end bearing is fixedly mounted on institute
It states on the drive end bearing bracket of motor, is correspondingly arranged on bearing block on the drive end bearing bracket.
Optionally, several grades of driving gear pairs are provided in the gearbox, described in the one-stage gear pair connection of the rightmost side
Main shaft and adjacent with the motor, the parking gear is located at the left side of the one-stage gear pair.
Optionally, jackshaft is provided in the gearbox, the one-stage gear pair includes the first gear of engaged transmission
And second gear, the first gear are connect with the main shaft by spline, the second gear and the jackshaft pass through flower
Key connection, the right side of the wheel hub of the first gear compress the inner ring of the intermediate bearing, in the inner hole of left end setting bushing with
The main shaft interference fit is to the fixed first gear.
Optionally, the parking gear is connect with the main shaft by spline, the right side of the wheel hub of the parking gear
The bushing is compressed, left side is compressed by the inner ring of the left end bearing.
Optionally, the left end setting locking nut of the main shaft compresses the inner ring of the left end bearing.
Optionally, two-stage driving gear pair is provided in the gearbox, the one-stage gear pair of the rightmost side is close to the electricity
Machine, secondary gear wheel set are located at the left side of the one-stage gear pair, the secondary gear wheel set include engaged transmission third gear and
4th gear, the third gear are made into integration with the jackshaft, and the 4th gear is fixedly mounted on differential mechanism, described
Differential mechanism is connect with vehicle bridge.
Optionally, the jackshaft both ends are provided with bearing, cooperate on the preceding cabinet and rear box of the gearbox and set
It is equipped with bearing block.
Optionally, the preceding cabinet of the gearbox is provided with bearing block and seal groove, the seal groove at the axis hole
On the right side of the bearing block, the intermediate bearing is mounted in the bearing block, and the oil sealing is mounted in the seal groove,
First step is provided between the bearing block and seal groove, the first step limits the right side of the intermediate bearing, institute
It states and is provided with second step on the right side of seal groove, the second step limits the right side of the oil sealing, on the left of the axis hole
It is bolted on end face and the outer ring progress axial limiting that pressing plate compresses the intermediate bearing is installed.
The power assembly being arranged using the above structure has the advantage that
Motor shaft and gearbox (retarder) input shaft are a whole axle construction in the utility model, eliminate existing skill
Shaft coupling in art, structure is simplified, structure precision improves, and reduces running noise, significantly reduces the axial ruler of power assembly
It is very little, be conducive to the lightweight and arrangement in the car of power assembly.
Parking gear is arranged on gearbox (retarder) input shaft in the utility model, by gearbox (retarder)
Torque transmitting influences, and parking torque is smaller herein, and the axial dimension of parking gear can be designed smaller, to reduce
The weight of the axial dimension of power assembly, parking gear is mitigated, and the weight of power assembly is also just mitigated.
The power assembly of the utility model, reduces axial dimension, reduces manufacturing cost, and arrangement form is simple, occupies
Space is small, compact-sized, light-weight, meets lightweight and electrified development trend.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the integrated electric drive power assembly of the utility model embodiment 1.
In figure: 1. shells；2. stator；Cabinet before 3.；4. bushing；5. parking gear；6. locking nut；7. rear box；8.
Left end bearing；9. first gear；10. jackshaft；11. third gear；12. the 4th gear；13. differential mechanism；14. second gear；
15. intermediate bearing；16. oil sealing；17. rotor；18. main shaft；19. drive end bearing bracket；20. right end bearing.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the utility model will
More fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Attached drawing is only this
The schematic illustrations of utility model are not necessarily drawn to scale.Identical appended drawing reference indicates same or similar in figure
Part, thus repetition thereof will be omitted.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In mode.In the following description, many details are provided to provide the abundant reason to the embodiments of the present invention
Solution.It will be appreciated, however, by one skilled in the art that the technical solution of the utility model can be practiced and omit the specific detail
In it is one or more, or can be using other methods, constituent element, device, step etc..In other cases, do not show in detail
Out or description known features, method, apparatus, realization, material or operation are to avoid a presumptuous guest usurps the role of the host and makes the utility model
Various aspects thicken.
The spatially relative terms such as "upper", "lower", "left", "right" can be used herein for ease of explanation, be used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device can also be positioned in other ways, such as rotation 90
Degree is located at other orientation, can be interpreted accordingly used herein of the opposite explanation in space.
Embodiment 1
It is as shown in Figure 1 the utility model embodiment 1, in this embodiment, integrated electric drive power assembly includes electricity
Machine and gearbox (usually retarder), the output shaft of motor and the input shaft of gearbox are made into integration, and constitute power assembly
Main shaft 18 is provided with parking gear 5 in gearbox, and parking gear 5 is fixedly mounted on main shaft, that is, is installed on the spindle 18.
Torque by gearbox (retarder), which is transmitted, to be influenced, and parking torque is smaller on main shaft, the axial ruler of parking gear 5
Very little to be designed smaller, to reduce the axial dimension of power assembly, the weight of parking gear 5 is mitigated, power
The weight of assembly is also just mitigated.
Motor uses magneto or excitation electromotor, including rotor 17 and stator 2.It include shaft in rotor 17,
Shaft is also a part of main shaft 18.Motor further includes shell 1, and rear end cap is arranged on the left of shell 1, and drive end bearing bracket 19 is arranged in right side.
Other settings of motor can refer to the prior art, no longer be described in detail herein.
In order to simplify structure, the rear end cap of motor and the preceding cabinet 3 of gearbox are made into integration, and are provided with axis on preceding cabinet 3
Hole, main shaft 18 pass through axis hole and enter in gearbox.Design can also effectively reduce the axial dimension of power assembly, Er Qiejian in this way
The structure of power assembly is changed.
The shell 1 of motor and preceding cabinet 3 can by flange, be bolted and combine, in junction, necessary sealing is set
Structure.
Intermediate bearing 15 and oil sealing 16,15 supports main shaft 18 of intermediate bearing are installed, oil sealing 16 seals main shaft 18 at axis hole
Gap between axis hole is isolated gearbox and motor seal, prevents the lubricating oil in gearbox from entering in motor.
18 both ends of main shaft are respectively arranged with left end bearing 8 and right end bearing 20, and left end bearing 8 is fixedly mounted on gearbox
On rear box 7, bearing block is correspondingly arranged on rear box 7, right end bearing 20 is fixedly mounted on the drive end bearing bracket 19 of motor, front end
Bearing block is correspondingly arranged on lid 19.
The one-stage gear connecting in the prior art with transmission input shaft is typically remote from motor side, and the gear pair needs
Biggish bearing support (bearing support is the transmission shaft penetrated in gear), weight is larger, and the present embodiment specially improves this
Structure.
Several grades of driving gear pairs, the one-stage gear pair connection main shaft 18 and and motor of the rightmost side are provided in gearbox
Adjacent, parking gear 5 is located at the left side of one-stage gear pair.One-stage gear pair is gear pair nearest apart from motor in gearbox.
Specifically, as shown in Figure 1, being provided with jackshaft 10 in gearbox, jackshaft 10 is parallel with the axis of main shaft 18, and one
Grade gear pair includes the first gear 9 and second gear 14 of engaged transmission, and first gear 9 is connect with main shaft 18 by spline, the
Two gears 14 are connect with jackshaft 10 by spline, and the right side of the wheel hub of first gear 9 compresses the inner ring of intermediate bearing 15, left
Setting bushing 4 and the interference fit of main shaft 18 in inner hole is held to play radial positioning to fixed first gear 9 to first gear 9 and make
With.
Parking gear 5 is connect with main shaft 18 by spline, and the right side of the wheel hub of parking gear 5 compresses bushing 4, left side
It is compressed by the inner ring of left end bearing 8.
The left end setting locking nut 6 of main shaft 18 compresses the inner ring of left end bearing 8.
The position that first gear 9 is connect with main shaft 18 is arranged external splines on main shaft 18, internal spline is arranged in first gear 9.
The position that second gear 14 is connect with jackshaft 10 external splines is arranged on main shaft 18, in second gear 14 in setting
Spline.
The position that parking gear 5 is connect with main shaft 18 is arranged external splines on main shaft 18, internal spline is arranged on parking gear 5.
In the present embodiment, be provided with two-stage driving gear pair in gearbox, the one-stage gear pair of the rightmost side close to motor,
Secondary gear wheel set is located at the left side of one-stage gear pair, and secondary gear wheel set includes the third gear 11 and the 4th gear of engaged transmission
12, third gear 11 can be connect with jackshaft 10 by spline, and the 4th gear 12 is fixedly mounted on differential mechanism 13, differential mechanism
13 connect (not shown) with vehicle bridge.
The position that third gear 11 is connect with jackshaft 10 is arranged external splines on jackshaft 10, is arranged on third gear 11
Internal spline.
As shown in Figure 1,10 both ends of jackshaft are provided with bearing, it is equipped on the preceding cabinet 3 and rear box 7 of gearbox
There is bearing block.
The preceding cabinet 3 of gearbox is provided with bearing block and seal groove at axis hole, and seal groove is located on the right side of bearing block, intermediate
Bearing 15 is mounted in bearing block, and oil sealing 16 is mounted in seal groove, and first step is provided between bearing block and seal groove, should
First step limits the right side of intermediate bearing 15, is provided with second step on the right side of seal groove, the second step is to oil sealing 16
Right side limit, be bolted in axis hole left end face be equipped with pressing plate compress intermediate bearing 15 outer ring carry out it is axial
Limit.
In the embodiments of the present invention, motor shaft and reducer input shaft are a whole axle construction, after motor
The preceding cabinet of end cap and retarder is integrated, and structure is simple, improves structure precision.
Input shaft from motor to retarder only has 3 supports, and 4 supports than in the prior art reduce an axis
It holds, therefore reduces the whole axial dimension of power assembly, and be conducive to vehicle layout, it is compact-sized, it is light-weight.
Parking gear is arranged on the input shaft of retarder, reduces axial dimension and parking gear weight.
One-stage gear pair eliminates spring bearing close to motor in retarder, and the structure can be simplified, and weight is mitigated.
Embodiment 2
The present embodiment makes improvement on the basis of embodiment 1, in the embodiments of the present invention 2, third gear 11
It is made into integration with jackshaft 10, which can be further simplified the structure of power assembly.
The other structures of integrated electric drive power assembly are same as Example 1 in the utility model embodiment 2, herein not
Repeat description.
Finally, it is to be noted that, herein, such as first, second, third and fourth or the like relational terms
It is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these
There are any actual relationship or orders between entity or operation.Moreover, the terms "include", "comprise" or its is any
Other variants are intended to non-exclusive inclusion, so that including the process, method, article or equipment of a series of elements
Include not only those elements, but also including other elements that are not explicitly listed, or further includes for this process, side
Method, article or the intrinsic element of equipment.In the absence of more restrictions, limited by sentence "including a ..."
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.
It is particularly shown and described the illustrative embodiments of the utility model above.It should be appreciated that this is practical
It is novel to be not limited to detailed construction, set-up mode or implementation method described herein；It is included on the contrary, the utility model intention covers
Various modifications and equivalence setting in spirit and scope of the appended claims.
Claims (10)
1. a kind of integration electric drive power assembly, which is characterized in that including motor and gearbox, the output shaft of the motor with
The input shaft of the gearbox is made into integration, and constitutes the main shaft of power assembly, and parking gear is provided in the gearbox, described
Parking gear is fixedly mounted on the main shaft.
2. integration electric drive power assembly according to claim 1, which is characterized in that the rear end cap of the motor and institute
The preceding cabinet for stating gearbox is made into integration, and axis hole is provided on the preceding cabinet, and the main shaft passes through described in axis hole entrance
In gearbox.
3. integration electric drive power assembly according to claim 2, which is characterized in that be equipped with centre at the axis hole
Bearing and oil sealing, the intermediate bearing support the main shaft, the gap described in the oil sealing sealing between main shaft and the axis hole,
The gearbox and the motor seal are isolated.
4. integration electric drive power assembly according to claim 3, which is characterized in that the main shaft both ends are respectively set
There are left end bearing and right end bearing, the left end bearing is fixedly mounted on the rear box of the gearbox, on the rear box
It is correspondingly arranged on bearing block, the right end bearing is fixedly mounted on the drive end bearing bracket of the motor, and correspondence is set on the drive end bearing bracket
It is equipped with bearing block.
5. integration electric drive power assembly according to claim 4, which is characterized in that if being provided in the gearbox
The one-stage gear pair of dry grade driving gear pair, the rightmost side connects the main shaft and, the parking gear adjacent with the motor
Positioned at the left side of the one-stage gear pair.
6. integration electric drive power assembly according to claim 5, which is characterized in that in being provided in the gearbox
Between axis, the one-stage gear pair includes the first gear and second gear of engaged transmission, and the first gear and the main shaft are logical
Spline connection is crossed, the second gear is connect with the jackshaft by spline, the right end face pressure of the wheel hub of the first gear
The inner ring of the tight intermediate bearing, setting bushing and main shaft interference fit are to fixed first tooth in the inner hole of left end
Wheel.
7. integration electric drive power assembly according to claim 6, which is characterized in that the parking gear and the master
Axis is connected by spline, and the right side of the wheel hub of the parking gear compresses the bushing, and left side is by the left end bearing
Inner ring compresses.
8. integration electric drive power assembly according to claim 7, which is characterized in that lock is arranged in the left end of the main shaft
Tight nut compresses the inner ring of the left end bearing.
9. integration electric drive power assembly according to claim 6, which is characterized in that be provided with two in the gearbox
Grade driving gear pair, for the one-stage gear pair of the rightmost side close to the motor, secondary gear wheel set is located at a left side for the one-stage gear pair
Side, the secondary gear wheel set include the third gear and the 4th gear of engaged transmission, the third gear and the jackshaft one
System is at the 4th gear is fixedly mounted on differential mechanism, and the differential mechanism is connect with vehicle bridge.
10. integration electric drive power assembly according to claim 9, which is characterized in that the jackshaft both ends are all provided with
It is equipped with bearing, is equipped with bearing block on the preceding cabinet and rear box of the gearbox；
The preceding cabinet of the gearbox is provided with bearing block and seal groove at the axis hole, and the seal groove is located at the bearing
Seat right side, the intermediate bearing is mounted in the bearing block, and the oil sealing is mounted in the seal groove, the bearing block and
First step is provided between seal groove, the first step limits the right side of the intermediate bearing, the right side of the seal groove
Side is provided with second step, and the second step limits the right side of the oil sealing, passes through spiral shell in the axis hole left end face
Bolt is fixedly installed with the outer ring progress axial limiting that pressing plate compresses the intermediate bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820906595.0U CN208428960U (en) | 2018-06-12 | 2018-06-12 | A kind of integration electric drive power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820906595.0U CN208428960U (en) | 2018-06-12 | 2018-06-12 | A kind of integration electric drive power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208428960U true CN208428960U (en) | 2019-01-25 |
Family
ID=65101136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820906595.0U Active CN208428960U (en) | 2018-06-12 | 2018-06-12 | A kind of integration electric drive power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208428960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674179A (en) * | 2018-06-12 | 2018-10-19 | 精进电动科技股份有限公司 | A kind of integration electric drive power assembly |
-
2018
- 2018-06-12 CN CN201820906595.0U patent/CN208428960U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108674179A (en) * | 2018-06-12 | 2018-10-19 | 精进电动科技股份有限公司 | A kind of integration electric drive power assembly |
| WO2019238042A1 (en) * | 2018-06-12 | 2019-12-19 | 精进电动科技股份有限公司 | Integrated electric drive powertrain |
| US11300193B2 (en) | 2018-06-12 | 2022-04-12 | Jing-Jin Electric Technologies Co., Ltd. | Integrated electric drive power assembly |
| CN108674179B (en) * | 2018-06-12 | 2024-03-26 | 精进电动科技股份有限公司 | Integrated electric drive power assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108674179A (en) | A kind of integration electric drive power assembly | |
| CN206180768U (en) | Motor and retarder connection's input shaft structure | |
| CN103921674A (en) | Gearbox for electric vehicle | |
| CN108146145A (en) | A kind of Electric Motor Wheel and vehicle with big gear ratio planetary reduction gear | |
| US20210039492A1 (en) | An electric axle assembly | |
| CN103692907A (en) | Power system assembly of electric vehicle | |
| CN208428960U (en) | A kind of integration electric drive power assembly | |
| CN103475151B (en) | It is with coaxial planetary switched reluctance machines | |
| CN201415615Y (en) | Powertrain of electrocar | |
| CN109649139A (en) | A kind of coaxial electric car rear axle assy | |
| CN210881654U (en) | Electric drive power assembly | |
| CN105015334A (en) | Double-power coupling rear axle driving system | |
| CN204452025U (en) | A kind of rear driving axle for mating heavy-duty motor Minitype electric automobile | |
| CN209492375U (en) | General electric drive axle | |
| CN103552466A (en) | Wheel-side driving system | |
| CN211493538U (en) | Electric vehicle rear drive axle assembly integrated with motor | |
| CN115923493A (en) | Distributed coaxial electric drive bridge suitable for new energy commercial vehicle | |
| CN205446636U (en) | Automotive speed reducer | |
| CN101746278B (en) | Recreation vehicle actuator and power-assisting method thereof | |
| CN107757356B (en) | Speed reducer with differential lock for vehicle | |
| CN212838329U (en) | Gear pump power transmission device | |
| WO2021135826A1 (en) | Central drive type electric drive system assembly | |
| CN203713553U (en) | Wheel driving device for electric automobile | |
| CN2559162Y (en) | Integral output frame of eddy-current speed slower | |
| CN201597432U (en) | Booster for recreational vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |