CN109774463B - Integrated electric drive assembly - Google Patents
Integrated electric drive assembly Download PDFInfo
- Publication number
- CN109774463B CN109774463B CN201910198894.2A CN201910198894A CN109774463B CN 109774463 B CN109774463 B CN 109774463B CN 201910198894 A CN201910198894 A CN 201910198894A CN 109774463 B CN109774463 B CN 109774463B
- Authority
- CN
- China
- Prior art keywords
- motor
- oil guide
- oil
- output shaft
- guide hole
- 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
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 239000000498 cooling water Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 abstract description 146
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses an integrated electric drive assembly, which comprises a speed reducer assembly and a motor assembly, wherein an oil tank is positioned in a right shell of the speed reducer, an input shaft is in transmission connection with the right shell of the speed reducer and is provided with a bearing hole, one end of an output shaft of a motor is in transmission connection with the outer shell of the motor, the other end of the output shaft of the motor is in spline connection with the right shell of the speed reducer and extends into the oil tank through the bearing hole, the output shaft of the motor is provided with a first oil guide hole, a second oil guide hole and a third oil guide hole, the first oil guide hole is positioned in an output end of the motor, the second oil guide hole is uniformly distributed in the radial direction of the first oil guide hole, the third oil guide hole is uniformly distributed in the radial direction of the first oil guide hole, the input shaft oil seals the output shaft, the input shaft oil seal is provided with a first groove, and the first groove is communicated with the second oil guide hole, so as to guide lubricating oil in the oil tank to the spline fit position of the output shaft of the speed reducer, and the input shaft of the speed reducer continuously, so as to fully protect the spline and avoid abnormal abrasion.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an integrated electric drive assembly.
Background
In order to alleviate energy and environmental crisis, conventional fuel vehicles have been transformed into hybrid vehicles and electric vehicles. At present, most of electric driving force assemblies of hybrid electric vehicles and pure electric vehicles are formed by transmitting power between a motor output shaft and a speed reducer input shaft in a spline connection mode and are matched with spline Tu Run grease, and in the use process, lubricating grease is prone to be deformed and invalid, so that matched spline wear is caused, and accordingly noise is caused.
Disclosure of Invention
The invention aims to provide an integrated electric drive assembly, which aims to solve the problems that most of electric drive assemblies transmit power through spline connection between an output shaft of a motor and an input shaft of a speed reducer and are matched with spline Tu Run grease, and in the use process, grease is easy to deteriorate and lose efficacy, so that the matched spline is worn, and noise is caused.
In order to achieve the above object, the present invention provides an integrated electric drive assembly, which includes a decelerator assembly and a motor assembly, the decelerator assembly includes a decelerator left housing, a decelerator right housing, an oil tank and an input shaft, the decelerator right housing is in threaded connection with the decelerator left housing and is located at one side of the decelerator left housing, the oil tank is located in the decelerator right housing, and the input shaft is in driving connection with the decelerator right housing and is located at one side far from the decelerator left housing and has a bearing hole;
The motor assembly comprises a motor outer shell, a motor output shaft and an input shaft oil seal, wherein the motor outer shell is integrally formed with a speed reducer right shell and is located at one side far away from the speed reducer left shell, one end of the motor output shaft is in transmission connection with the motor outer shell, the other end of the motor output shaft is in spline connection with the speed reducer right shell and penetrates through the bearing hole to extend into the oil tank, the center line of the motor output shaft coincides with the center line of the bearing hole, the motor output shaft is provided with a first oil guide hole, a second oil guide hole and a third oil guide hole, the first oil guide hole is located at the motor output end and is located at one side of the input shaft far away from the motor outer shell, the number of the second oil guide holes is at least two and is evenly distributed in the radial direction of the first oil guide hole and is located in the oil tank, the number of the third oil guide hole is at least two and evenly distributed in the radial direction of the first oil guide hole and is located at one side far away from the oil tank, the input shaft oil seal is fixedly connected with the output shaft and is located at least one side of the first oil guide groove and is located at the first oil guide groove and is far away from the first groove.
The center line of the second oil guide hole and the center line of the first oil guide hole have a first included angle, and the first included angle is 45-60 degrees.
The center line of the third oil guide hole and the center line of the first oil guide hole have a second included angle, and the second included angle is 60-70 degrees.
The motor output shaft is further provided with a second groove, and the second groove is located in the circumferential direction of the motor output shaft, extends along the direction of the central line of the motor output shaft and is communicated with the third oil guide hole.
The speed reducer assembly further comprises a bearing, wherein the bearing is in transmission connection with the motor output shaft, is fixedly connected with the oil tank, and is located between the oil tank and the input shaft oil seal.
The motor assembly further comprises an inner water jacket, wherein two ends of the inner water jacket are welded with the motor shell and are positioned in the motor shell.
The inner water sleeve is provided with a spiral water tank, and the spiral water tank is positioned in the circumferential direction of the inner water sleeve and is in interference fit with the motor shell to form a closed spiral cooling water channel.
The motor shell is provided with a water inlet hole and a water outlet hole, and the water inlet hole and the water outlet hole are communicated with the spiral cooling water channel.
The motor assembly further comprises a controller component and a motor end cover, wherein the controller component is fixedly connected with the motor shell and is positioned on one side of the motor shell, and the motor end cover is fixedly connected with the motor shell and is positioned between the motor shell and the controller component.
Wherein, the motor end cover has the wire hole.
According to the integrated electric drive assembly, the oil tank is arranged in the right shell of the speed reducer, the input shaft is in transmission connection with the right shell of the speed reducer and is provided with the bearing holes, the outer shell of the motor is integrally formed with the right shell of the speed reducer, one end of the output shaft of the motor is in transmission connection with the outer shell of the motor, the other end of the output shaft of the motor is in spline connection with the right shell of the speed reducer and extends into the oil tank through the bearing holes, the output shaft of the motor is provided with the first oil guide hole, the second oil guide hole and the third oil guide hole, the first oil guide hole is arranged in the output end of the motor and is positioned on one side of the input shaft, far away from the outer shell of the motor, the second oil guide hole is uniformly distributed in the radial direction of the first oil guide hole and is positioned on one side, far away from the oil tank, the input shaft oil is in the output shaft oil seal and is positioned in the oil tank, the input shaft oil seal is provided with the first groove, the first oil guide hole is in the first groove and is in the first oil guide hole and is in the oil guide hole, and is in the oil tank, and is in full contact with the first oil guide hole, and the first oil guide hole is in the oil guide groove, and is in the first oil guide groove is in the oil groove and far away from the first oil guide hole.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an integrated electric drive assembly of the present invention;
FIG. 2 is a schematic diagram of the motor assembly of the present invention;
FIG. 3 is a schematic view of the motor housing of the present invention;
fig. 4 is a cross-sectional view of the input shaft and motor output shaft of the present invention.
In the figure: 100-integrated electric drive assembly, 1-reduction gear assembly, 11-reduction gear left shell, 12-reduction gear right shell, 13-oil tank, 14-input shaft, 15-bearing, 141-bearing hole, 2-motor assembly, 21-motor outer shell, 211-water inlet hole, 212-water outlet hole, 22-motor output shaft, 221-first oil guide hole, 222-second oil guide hole, 223-third oil guide hole, 224-second groove, 23-input shaft oil seal, 231-first groove, 24-inner water jacket, 241-spiral water tank, 25-controller assembly, 26-motor end cover, 261-wire outlet hole, 2212-first included angle, 2213-second included angle.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 4, the present invention provides an integrated electric drive assembly 100, the integrated electric drive assembly 100 includes a reducer assembly 1 and a motor assembly 2, the reducer assembly 1 includes a reducer left housing 11, a reducer right housing 12, an oil tank 13 and an input shaft 14, the reducer right housing 12 is in threaded connection with the reducer left housing 11 and is located at one side of the reducer left housing 11, the oil tank 13 is located in the reducer right housing 12, the input shaft 14 is in driving connection with the reducer right housing 12 and is located at one side far from the reducer left housing 11, and has a bearing hole 141;
The motor assembly 2 comprises a motor outer shell 21, a motor output shaft 22 and an input shaft oil seal 23, wherein the motor outer shell 21 and the right shell 12 of the speed reducer are integrally formed and are positioned at one side far away from the left shell 11 of the speed reducer, one end of the motor output shaft 22 is in transmission connection with the motor outer shell 21, the other end of the motor output shaft is in spline connection with the right shell 12 of the speed reducer and penetrates through the bearing hole 141 to extend into the oil tank 13, the center line of the motor output shaft 22 coincides with the center line of the bearing hole 141, the motor output shaft 22 is provided with a first oil guide hole 221, a second oil guide hole 222 and a third oil guide hole 223, the first oil guide hole 221 is positioned in the motor output end and is positioned at one side far away from the left shell 21 of the input shaft 14, the second oil guide hole 222 is at least two and uniformly distributed in the radial direction of the first oil guide hole 221 and is positioned in the oil tank 13, the third oil guide hole 223 is at least two and uniformly distributed in the radial direction of the first oil guide hole 221 and is positioned in the oil tank 13 and is positioned at one side far away from the first oil guide hole 231 and is fixedly connected with the first oil seal 23, and is positioned at one side far away from the first oil guide hole 231 is positioned at one side far away from the first oil guide groove 13 and is positioned at one side of the input shaft is fixedly connected with the input shaft 23.
In this embodiment, the right casing 12 of the speed reducer is in threaded connection with the left casing 11 of the speed reducer, and is located at one side of the left casing 11 of the speed reducer, and the right casing 12 of the speed reducer and the left casing 11 of the speed reducer can be disassembled by threaded connection, so that the maintenance is convenient. The electronic P gear structure is arranged on the left shell 11 of the speed reducer, so that the speed reducer assembly 1 is conveniently controlled, and parking brake is realized. The oil tank 13 is located in the right casing 12 of the speed reducer, and lubricating oil is stored in the oil tank 13. The input shaft 14 is in driving connection with the right housing 12 of the speed reducer, is located at a side far from the left housing 11 of the speed reducer, and is provided with a bearing hole 141, and the input shaft 14 is used for energy transmission. The motor outer shell 21 and the right shell 12 of the speed reducer are integrally formed and positioned at one side far away from the left shell 11 of the speed reducer; in the conventional electric drive assembly, the motor outer housing 21 and the right casing 12 of the speed reducer are fixedly driven by power through bolting, the axial dimension is large, the size is obviously larger, the weight is heavy, the transmission efficiency is low, meanwhile, the strength and the rigidity of the bolting structure are weaker than those of the integral box body structure, in addition, the motor outer housing 21 and the right casing 12 of the speed reducer are assembled due to installation errors and process errors, the coaxiality of the motor output shaft 22 and the axis of the input shaft 14 of the speed reducer cannot be ensured, and the connecting spline is worn. In the embodiment of the present invention, one end of the motor output shaft 22 is in transmission connection with the motor outer housing 21, the other end is in spline connection with the right housing 12 of the speed reducer, and extends into the oil tank 13 through the bearing hole 141, the center line of the motor output shaft 22 coincides with the center line of the bearing hole 141, the right housing 12 of the speed reducer is provided with an internal spline, the motor output shaft 22 is provided with an external spline, and the spline connection has the following advantages: because more teeth and grooves are directly and uniformly manufactured on the shaft and the hub hole, spline connection stress is more uniform; the number of teeth is more, and the total contact area is larger, so that larger load can be born; the centering of the parts on the shaft and the shaft is good, and the guidance quality is good. The service life of the automobile is prolonged overall, and the stability of the automobile is enhanced; the motor output shaft 22 has a first oil guide hole 221, a second oil guide hole 222 and a third oil guide hole 223, the first oil guide hole 221 is located in the motor output end and is located at one side of the input shaft 14 away from the motor outer shell 21, and the center line of the first oil guide hole 221 coincides with the center line of the motor output shaft 22, so that eccentricity is avoided, and transmission kinetic energy is reduced; the number of the second oil guide holes 222 is at least two, and the second oil guide holes are uniformly distributed in the radial direction of the first oil guide hole 221 and are positioned in the oil tank 13, the number of the third oil guide holes 223 is at least two, and the third oil guide holes are uniformly distributed in the radial direction of the first oil guide hole 221 and are positioned at one side far away from the oil tank 13, and the uniform distribution prevents the weight of each part of the motor output shaft 22 from being different and eccentric, so that the transmission kinetic energy is reduced. Meanwhile, the motor output shaft 22 further has drainage grooves, the number of the drainage grooves is equal to the number of the first groove 231, the first oil guiding hole 221, the second oil guiding hole 222 and the third oil guiding hole 223, the drainage grooves are positioned in the first oil guiding hole 221 and between the second oil guiding hole 222 and the third oil guiding hole 223, the first groove 231, the second oil guiding hole 222, the drainage grooves and the third oil guiding hole 223 are sequentially communicated, the cross section area of the first groove 231 is in a U shape, and the drainage grooves have a transitional effect, so that the resource waste caused by the fact that the lubricating oil in the oil tank 13 directly flows from the second oil guiding hole 222 in a large amount is avoided; the specific working process is as follows; the motor in the motor outer shell 21 drives the motor output shaft 22 to act, and as the motor output shaft 22 is in spline connection with the input shaft 14 of the right shell of the speed reducer body to drive the speed reducer assembly 1 to act, one end of the motor output shaft 22, which is far away from the motor outer shell 21, runs in the oil tank 13, agitates lubricating oil in the oil tank 13 into the first groove 231, and flows through the second oil guide hole 222, the first oil guide hole 221 and the third oil guide hole 223 to the spline matching position of the motor output shaft 22 and the input shaft 14 of the speed reducer to perform continuous lubrication, the spline is fully protected, abnormal abrasion is avoided, and accordingly noise problems are avoided.
The invention relates to an integrated electric drive assembly 100, which is positioned in a right shell 12 of a speed reducer through an oil tank 13, wherein an input shaft 14 is in transmission connection with the right shell 12 of the speed reducer and is provided with a bearing hole 141, a motor shell 21 and the right shell 12 of the speed reducer are integrally formed, one end of a motor output shaft 22 is in transmission connection with the motor shell 21, the other end of the motor output shaft 22 is in spline connection with the right shell 12 of the speed reducer and extends into the oil tank 13 through the bearing hole 141, the motor output shaft 22 is provided with a first oil guide hole 221, a second oil guide hole 222 and a third oil guide hole 223, the first oil guide hole 221 is positioned in the output end of the motor and is positioned on one side of the input shaft 14 away from the outer shell 21 of the motor, the second oil guide hole 222 is uniformly distributed in the radial direction of the first oil guide hole 221, and be located in the oil tank 13, third oil guide hole 223 evenly distributed in the radial direction of first oil guide hole 221, and be located and keep away from one side of oil tank 13, input shaft oil blanket 23 encloses the output shaft, and is located in the oil tank 13, input shaft oil blanket 23 has first recess 231, first recess 231 with second oil guide hole 222 intercommunication is located and is kept away from one side of third oil guide hole 223, is used for guiding lubricating oil in the oil tank 13 to go through first recess 231, first oil guide hole 221, second oil guide hole 222 and third oil guide hole 223 carries out continuous lubrication to the spline fit department of motor output shaft 22 and input shaft 14, fully protects the spline, avoids abnormal wear to avoid bringing the noise problem.
Further, the center line of the second oil guiding hole 222 and the center line of the first oil guiding hole 221 have a first included angle 2212, and the first included angle 2212 is 45 ° -60 °. In this embodiment, the arrangement of the first angle 2212 accelerates the lubricant in the first groove 231 to move into the first oil guiding hole 221, so as to improve the lubrication efficiency, wherein the first angle 2212 is in an optimal state when it is 45 °.
Further, the center line of the third oil guiding hole 223 and the center line of the first oil guiding hole 221 have a second included angle 2213, and the second included angle 2213 is 60 ° -70 °. In this embodiment, the arrangement of the second included angle 2213 makes the lubricating oil smoothly flow to the spline connection position of the motor output shaft 22 and the input shaft 14, so that the spline can be uniformly and continuously lubricated, thereby achieving the purpose of lubrication and saving resources.
Further, the motor output shaft 22 further has a second groove 224, and the second groove 224 is located in the circumferential direction of the motor output shaft 22, extends along the center line direction of the motor output shaft 22, and is in communication with the third oil guide hole 223. In this embodiment, the second groove 224 has a drainage function, and is used for guiding the lubricating oil to flow to the spline fitting position, so as to enhance the lubrication effect.
Further, the reducer assembly 1 further includes a bearing 15, where the bearing 15 is in driving connection with the motor output shaft 22, is fixedly connected with the oil tank 13, and is located between the oil tank 13 and the input shaft oil seal 23. In this embodiment, the bearing 15 is used to support the motor output shaft 22, reduce the friction coefficient during the movement thereof, and ensure the rotation accuracy thereof.
Further, the motor assembly 2 further includes an inner water jacket 24, and both ends of the inner water jacket 24 are welded to and located in the motor housing. The inner water jacket 24 has a spiral water channel 241 which is located in the circumferential direction of the inner water jacket 24 and forms a closed spiral cooling water channel with the motor housing by interference fit. The conventional motor cooling water channel is sealed by adopting an O-ring between the motor outer shell 21 and the inner water jacket 24, and in the use process, the O-ring is easy to age and lose efficacy in a high-temperature environment, so that leakage is caused, the use of the integrated electric drive assembly 100 is affected, and even safety accidents occur. In the embodiment of the invention, the two ends of the inner water jacket 24 are welded with the motor outer shell 21, the middle part is in interference fit with the motor outer shell 21, and a closed spiral cooling water channel is formed between the spiral water channel 241 and the motor outer shell 21 in the circumferential direction, so that the structure strength is good, the sealing performance is strong, the service life is long, and the heat dissipation effect is good.
Further, the motor housing has a water inlet hole 211 and a water outlet hole 212, and the water inlet hole 211 and the water outlet hole 212 are communicated with the spiral cooling water channel. In this embodiment, the motor casing 21 has a cavity structure, and the cooling liquid can enter the cavity of the motor casing 21 and the spiral cooling water channel through the water inlet 211, and flow out through the water outlet 212, so as to perform circulating flow refrigeration, thereby enhancing the heat dissipation effect.
Further, the motor assembly 2 further includes a controller assembly 25 and a motor end cover 26, the controller assembly 25 is fixedly connected with the motor housing and located at one side of the motor housing, and the motor end cover 26 is fixedly connected with the motor housing and located between the motor housing and the controller assembly 25. In the present embodiment, the controller unit 25 is a core control device for controlling the start, operation, advance and retreat, speed, stop of the motor and other electronic devices of the electric vehicle. Meanwhile, the controller assembly 25 is provided with a water inlet and a water outlet, the water inlet is communicated with the water outlet 212 on the motor shell body 21 through a water joint, two O-shaped sealing rings are arranged at two ends of the water joint, and the motor and the controller assembly 25 share a set of cooling system, so that space is saved, and cost is reduced. The motor end cap 26 is used to secure and support the motor shaft.
Further, the motor end cover 26 has a wire outlet 261. In this embodiment, the copper nose of the stator coil of the motor is connected with the copper bar of the controller from the wire outlet 261, thereby reducing the use of high-voltage wires and lowering the cost.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (7)
1. An integrated electric drive assembly, characterized by: the speed reducer comprises a speed reducer left shell, a speed reducer right shell, an oil tank and an input shaft, wherein the speed reducer right shell is in threaded connection with the speed reducer left shell and is positioned on one side of the speed reducer left shell;
The motor assembly comprises a motor outer shell, a motor output shaft and an input shaft oil seal, wherein the motor outer shell and the right shell of the speed reducer are integrally formed and are positioned at one side far away from the left shell of the speed reducer, one end of the motor output shaft is in transmission connection with the motor outer shell, the other end of the motor output shaft is in spline connection with the input shaft in the right shell of the speed reducer and penetrates through the bearing hole to extend into the oil tank, the central line of the motor output shaft coincides with the central line of the bearing hole, the motor output shaft is provided with a first oil guide hole, a second oil guide hole and a third oil guide hole, the first oil guide hole is positioned in the motor output shaft and is positioned at one side of the output shaft far away from the motor outer shell, the number of the second oil guide holes is at least two and is uniformly distributed in the radial direction of the first oil guide hole, the oil tank is internally provided with a first included angle between the center line of the second oil guide hole and the center line of the first oil guide hole, the first included angle is 45-60 degrees, the number of the third oil guide holes is at least two, the third oil guide holes are uniformly distributed in the radial direction of the first oil guide hole and are positioned at one side far away from the oil tank, the center line of the third oil guide holes and the center line of the first oil guide hole are provided with a second included angle, the second included angle is 60-70 degrees, the input shaft oil seal is fixedly connected with the output shaft and surrounds the output shaft and is positioned in the oil tank, the input shaft oil seal is provided with first grooves, the number of the first grooves is at least two, the first grooves are communicated with the second oil guide holes and are positioned at one side far away from the third oil guide holes, the motor output shaft is also provided with second grooves, the second groove is positioned in the circumferential direction of the motor output shaft, extends along the central line direction of the motor output shaft and is communicated with the third oil guide hole.
2. The integrated electric drive assembly of claim 1 wherein said speed reducer assembly further comprises a bearing drivingly connected to said motor output shaft and fixedly connected to said oil tank and positioned between said oil tank and said input shaft oil seal.
3. An integrated electric drive assembly as set forth in claim 1 wherein: the motor assembly also includes an inner water jacket, both ends of which are welded with the motor housing and are located within the motor housing.
4. An integrated electric drive assembly as set forth in claim 3 wherein: the inner water sleeve is provided with a spiral water tank, and the spiral water tank is positioned in the circumferential direction of the inner water sleeve and is in interference fit with the motor shell to form a closed spiral cooling water channel.
5. The integrated electric drive assembly of claim 4, wherein: the motor shell is provided with a water inlet hole and a water outlet hole, and the water inlet hole and the water outlet hole are communicated with the spiral cooling water channel.
6. An integrated electric drive assembly as set forth in claim 1 wherein: the motor assembly further comprises a controller component and a motor end cover, wherein the controller component is fixedly connected with the motor shell and is positioned on one side of the motor shell, and the motor end cover is fixedly connected with the motor shell and is positioned between the motor shell and the controller component.
7. The integrated electric drive assembly of claim 6, wherein: the motor end cover is provided with a wire outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910198894.2A CN109774463B (en) | 2019-03-15 | 2019-03-15 | Integrated electric drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910198894.2A CN109774463B (en) | 2019-03-15 | 2019-03-15 | Integrated electric drive assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109774463A CN109774463A (en) | 2019-05-21 |
| CN109774463B true CN109774463B (en) | 2024-05-07 |
Family
ID=66489391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910198894.2A Active CN109774463B (en) | 2019-03-15 | 2019-03-15 | Integrated electric drive assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109774463B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216165A (en) * | 1988-02-20 | 1989-08-30 | Aisin Aw Co Ltd | Lubricating structure of bearing portion in automatic transmission |
| CN202612575U (en) * | 2012-05-25 | 2012-12-19 | 安徽星瑞齿轮传动有限公司 | Car transmission box |
| WO2016017351A1 (en) * | 2014-08-01 | 2016-02-04 | Ntn株式会社 | Cycloidal speed reducer and in-wheel motor drive device provided with same |
| CN105736557A (en) * | 2016-03-18 | 2016-07-06 | 重庆长安汽车股份有限公司 | Idling matched structure of gear and shaft of manual transmission |
| CN206983728U (en) * | 2017-07-06 | 2018-02-09 | 株洲欧格瑞传动股份有限公司 | A kind of electric drive assembly with high speed shaft lubricating arrangement |
| CN207333661U (en) * | 2017-10-16 | 2018-05-08 | 重庆幻速汽车配件有限公司 | Electric drive assembly lubricating system |
| CN210027038U (en) * | 2019-03-15 | 2020-02-07 | 重庆青山工业有限责任公司 | Integrated electric drive assembly |
-
2019
- 2019-03-15 CN CN201910198894.2A patent/CN109774463B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01216165A (en) * | 1988-02-20 | 1989-08-30 | Aisin Aw Co Ltd | Lubricating structure of bearing portion in automatic transmission |
| CN202612575U (en) * | 2012-05-25 | 2012-12-19 | 安徽星瑞齿轮传动有限公司 | Car transmission box |
| WO2016017351A1 (en) * | 2014-08-01 | 2016-02-04 | Ntn株式会社 | Cycloidal speed reducer and in-wheel motor drive device provided with same |
| CN105736557A (en) * | 2016-03-18 | 2016-07-06 | 重庆长安汽车股份有限公司 | Idling matched structure of gear and shaft of manual transmission |
| CN206983728U (en) * | 2017-07-06 | 2018-02-09 | 株洲欧格瑞传动股份有限公司 | A kind of electric drive assembly with high speed shaft lubricating arrangement |
| CN207333661U (en) * | 2017-10-16 | 2018-05-08 | 重庆幻速汽车配件有限公司 | Electric drive assembly lubricating system |
| CN210027038U (en) * | 2019-03-15 | 2020-02-07 | 重庆青山工业有限责任公司 | Integrated electric drive assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109774463A (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103072476B (en) | The back axle Electronmotive Force actuating device of battery-driven car | |
| CN206180768U (en) | Motor and retarder connection's input shaft structure | |
| CN210733818U (en) | Integrated hub motor assembly and electric vehicle | |
| CN203078306U (en) | Rear axle drive reduction gear of electric car | |
| CN103496321B (en) | Motor and planetary reduction gear integrated dynamic driving system | |
| CN219312511U (en) | Electric drive system and vehicle | |
| US7708893B2 (en) | System and method for providing filtration in a sun pinion bore | |
| CN114776585B (en) | Oil-gas-sand three-phase mixing pump driven by embedded permanent magnet synchronous motor | |
| CN101588117B (en) | Variable-frequency speed-regulating asynchronous traction motor for high-speed AC passenger locomotive | |
| JP2022154481A (en) | motor unit | |
| CN109774463B (en) | Integrated electric drive assembly | |
| CN103762779A (en) | Planetary gear reducer of electric vehicle | |
| CN210027038U (en) | Integrated electric drive assembly | |
| CN210526278U (en) | Drive assembly and vehicle | |
| CN111946801A (en) | Transmission power coupling system and working method thereof | |
| CN105262275A (en) | Integrated speed reduction driving system with circulation cooling device | |
| CN114379352B (en) | Vehicle with a vehicle body having a vehicle body support | |
| CN115214327A (en) | Electric driving device for automobile | |
| WO2018054016A1 (en) | Retarder, power system, straddling rail train and rail transit system | |
| CN209414584U (en) | The lubrication system of bridge case integrated gearbox system | |
| CN210068902U (en) | Electric drive assembly | |
| CN201466874U (en) | Frequency-conversion speed-regulation asynchronous traction motor for high-speed alternating current passenger locomotive | |
| CN212073663U (en) | Mixed-motion drive unit shell, mixed-motion drive unit assembly and automobile | |
| CN210469010U (en) | Electric drive device | |
| KR20210058890A (en) | Rotating electric machine with connecting sleeve with integrated damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |