CN114312263A - Motor drive structure and car - Google Patents
Motor drive structure and car Download PDFInfo
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- CN114312263A CN114312263A CN202011063655.5A CN202011063655A CN114312263A CN 114312263 A CN114312263 A CN 114312263A CN 202011063655 A CN202011063655 A CN 202011063655A CN 114312263 A CN114312263 A CN 114312263A
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- automobile
- speed reducer
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Abstract
The invention relates to the technical field of automobile driving, and discloses a motor driving structure and an automobile, wherein the motor driving structure comprises a motor, a suspension assembly and a speed reducer, wherein the speed reducer is connected with an automobile hub and is hinged with a lower swing arm of an automobile suspension; the speed reducer is driven by the motor to drive the automobile hub to rotate; the motor is hinged to the lower swing arm of the automobile suspension through the suspension assembly, and the lower swing arm of the automobile suspension and the suspension assembly form a force transmission channel between the automobile hub and the motor; when the automobile hub is impacted, the output shaft angle of the motor and the relative displacement between the motor and the automobile hub are adjusted through the force transmission channel. The suspension assembly can drive the motor to change the angle of the output shaft of the motor and the relative displacement between the motor and the automobile hub along with the swing of the lower swing arm of the automobile suspension, so that different movement requirements are met.
Description
Technical Field
The invention relates to the technical field of automobile driving, in particular to a motor driving structure and an automobile.
Background
The motor is as the important part that the drive car traveles, and its drive structure is very important, and the motor drive structure among the prior art, motor pass through trailing arm and reduction gear and directly be connected with wheel hub to drive wheel hub and rotate, wherein, motor and reduction gear snap-on are on the automobile body, and when automobile wheel hub received the impact, the motor was fixed motionless, can't satisfy the motion demand under the different situation. In addition, the motor and the reducer assembly are directly fixed with the vehicle body, and the vibration of the motor cannot be effectively isolated, so that the vibration of the whole vehicle can be caused.
Disclosure of Invention
The embodiment of the invention provides a motor driving structure and an automobile, and solves the problems that the motor driving structure in the prior art cannot meet the motion requirements and the like.
The embodiment of the invention provides a motor driving structure, which comprises a motor, a suspension assembly and a speed reducer, wherein the speed reducer is connected with an automobile hub and is hinged with a lower swing arm of an automobile suspension; the speed reducer is driven by the motor to drive the automobile hub to rotate; the motor is hinged on the lower swing arm of the automobile suspension through the suspension assembly;
the automobile suspension lower swing arm and the suspension assembly form a force transmission channel between an automobile hub and the motor; when the automobile hub is impacted, the angle of the output shaft of the motor and the relative displacement between the motor and the automobile hub are adjusted through the force transmission channel.
Optionally, the suspension assembly comprises a first suspension member; one end of the first suspension piece is installed on a lower swing arm of the automobile suspension, and the other end of the first suspension piece is flexibly connected to the motor.
Optionally, the suspension assembly further comprises a second suspension member; one end of the second suspension piece is installed on an automobile auxiliary frame hinged with a lower swing arm of an automobile suspension, and the other end of the second suspension piece is flexibly connected to the motor.
Optionally, the first suspension member is provided with two; the second suspension member and the two first suspension members constitute a three-point suspension structure for supporting the motor.
Optionally, the first suspension is located on a side of the motor near the speed reducer.
Optionally, the motor driving structure further comprises a first half shaft, one end of the first half shaft is rotatably connected with the speed reducer, and the other end of the first half shaft is rotatably connected with the motor; the motor drives the speed reducer to drive the automobile hub to rotate through the first half shaft.
Optionally, the retarder comprises a housing and a ring gear and a sun gear mounted in the housing; the sun gear is connected with the first half shaft; the gear ring is connected with the input end of the automobile hub; the motor driving structure also comprises a steering knuckle which is rotationally connected with the input end of the automobile hub; the shell is hinged with the lower swing arm of the automobile suspension through the steering knuckle.
Optionally, one end of the first half shaft is connected with the motor through a first spline and a first universal joint, and the other end of the first half shaft is connected with the speed reducer through a second spline and a second universal joint.
Optionally, the motor driving structure further comprises a second half shaft connected with the speed reducer, and the motor is connected with the speed reducer; the speed reducer is driven by the motor to drive the automobile hub to rotate through the second half shaft.
Another embodiment of the present invention further provides an automobile including the above motor driving structure.
The invention provides a motor driving structure and an automobile, which comprise a motor, a suspension assembly and a speed reducer, wherein the speed reducer is connected with an automobile hub and is hinged with a lower swing arm of an automobile suspension; the speed reducer is driven by the motor to drive the automobile hub to rotate; the motor is hinged to the lower swing arm of the automobile suspension through the suspension assembly, and the lower swing arm of the automobile suspension and the suspension assembly form a force transmission channel between an automobile hub and the motor; therefore, when the automobile is subjected to rapid acceleration, rapid deceleration and steering or passes through a rough road surface, the automobile hub is impacted, relative motion can be generated between the automobile hub and the motor under the action of the impact force, at the moment, the output shaft angle of the motor and the relative displacement between the motor and the automobile hub are adjusted through the force transmission channel, at the moment, the lower swing arm of the automobile suspension swings, the suspension assembly drives the motor to follow the swing of the lower swing arm of the automobile suspension, so that the change of the output shaft angle of the motor and the change of the relative displacement between the automobile hub are generated, and different motion requirements are met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a motor driving structure according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a motor; 2. a suspension assembly; 21. a second suspension member; 22. a first suspension member; 3. a speed reducer; 31. a housing; 32. a ring gear; 33. a sun gear; 4. an automobile hub; 5. a lower swing arm of the automobile suspension; 6. an automotive subframe; 7. a first half shaft; 8. a knuckle; 9. and a hub bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a motor 1 driving structure, which comprises a motor 1, a suspension assembly 2 and a speed reducer 3, wherein the speed reducer 3 is connected with an automobile hub 4 and is hinged with an automobile suspension lower swing arm 5; the speed reducer 3 is driven by the motor 1 to drive the automobile hub 4 to rotate; the motor 1 is hinged to a lower swing arm 5 of an automobile suspension through the suspension assembly 2 (understandably, in an embodiment, the speed reducer 3 comprises a shell 31, a gear ring 32 and a sun gear 33 which are installed in the shell 31, the sun gear 33 is connected with the first half shaft 7, the gear ring 32 is connected with an input end of an automobile hub 4, the driving structure of the motor 1 further comprises a steering knuckle 8 which is rotatably connected with the input end of the automobile hub 4, and the shell 31 is hinged to the lower swing arm 5 of the automobile suspension through the steering knuckle 8); the automobile suspension lower swing arm 5 and the suspension assembly 2 form a force transmission channel between an automobile hub 4 and the motor 1; when the automobile hub 4 is impacted, the angle of the output shaft of the motor 1 and the relative displacement between the motor 1 and the automobile hub 4 are adjusted through the force transmission channel.
The motor 1 is hinged to a lower swing arm 5 of an automobile suspension through a suspension assembly 2, and the lower swing arm 5 of the automobile suspension and the suspension assembly 2 form a force transmission channel between an automobile hub 4 and the motor 1; understandably, the lower swing arm 5 of the automobile suspension is connected with a shock absorber (not shown), when the automobile is subjected to rapid acceleration, rapid deceleration, steering or passes through a rough road, the automobile hub 4 is impacted, the shock absorber jumps and the lower swing arm 5 of the automobile suspension swings, relative motion will be generated between the automobile hub 4 and the motor 1 under the action of the impact, at the moment, the angle of the output shaft of the motor 1 and the relative displacement between the motor 1 and the automobile hub 4 are adjusted through the force transmission channel, that is, the motor 1 of the present invention can adaptively change the angle of the output shaft of the motor 1 and the relative displacement between the output shaft of the motor 1 and the automobile hub 4 along with the swing arm angle of the lower swing arm 5 of the automobile suspension under the driving of the suspension assembly 2, so that the motor 1 has a larger motion stroke relative to the automobile hub 4 (compared with a motor 1 driving structure without the force transmission channel, the force transmission channel in the invention can compensate the offset angle and offset displacement of the relative motion between the motor 1 and the automobile hub 4, so that the relative motion between the motor 1 and the automobile hub 4 has a larger motion stroke).
In one embodiment, as shown in fig. 1, the suspension assembly 2 includes a first suspension member 22; one end of the first suspension 22 is mounted on the lower swing arm 5 of the automobile suspension, and the other end of the first suspension 22 is flexibly connected to the motor 1. Understandably, in an embodiment, the first suspension 22 may be provided as one or more, that is, the suspension assembly 2 only includes one or more first suspensions 22 connected between the motor 1 and the lower swing arm 5 of the automobile suspension, the first suspension 22 includes a flexible connection point and a connection piece connected to both ends of the flexible connection point, and the connection piece at both ends of the flexible connection point can relatively rotate and move within a constraint range due to the need of vibration damping, so that the suspension assembly 2 can change the output shaft angle of the motor 1 and the relative displacement between the motor 1 and the automobile hub 4 along with the swing of the lower swing arm 5 of the automobile suspension.
Further, the suspension assembly 2 further comprises a second suspension 21; one end of the second suspension 21 is mounted on the sub-frame 6 hinged to the lower swing arm 5 of the vehicle suspension, and the other end of the second suspension 2 is flexibly connected to the motor 1, in other words, the second suspension 2 is hinged to the lower swing arm 5 of the vehicle suspension through the sub-frame 6 of the vehicle. In the present embodiment, the suspension assembly 2 is provided with a second suspension member 21 in addition to the first suspension member 22; that is, in this embodiment, the second suspension member 21 is connected to the sub-frame 6 of the vehicle, the first suspension member 22 is connected to the lower swing arm 5 of the vehicle suspension, and both the second suspension member 21 and the first suspension member 22 include a flexible connection point and connection members connected to both ends of the flexible connection point, so that the connection members at both ends of the flexible connection point can rotate and move relatively within the constraint range due to the need for vibration damping. When the automobile is accelerated rapidly, decelerated rapidly, turned to or passes through a rough road surface, the automobile hub 4 is impacted, the shock absorber jumps and the swing arm 5 swings under the automobile suspension, the motor 1 can be driven by the second suspension part 21 and the first suspension part 22 and can change the angle of the output shaft of the motor 1 and the relative displacement between the output shaft and the automobile hub 4 along with the swing arm angle of the swing arm 5 swinging under the automobile suspension, and therefore the allowable jumping amount of the shock absorber is increased while different movement requirements are met. Meanwhile, in the embodiment, the motor 1 is independently installed at the position of the auxiliary frame through the suspension assembly 2 (the second suspension part 21 is connected to the auxiliary frame 6 of the automobile, and the first suspension part 22 is connected to the lower swing arm 5 of the automobile suspension frame), compared with a hub motor in which the motor and the speed reducer are both arranged on the wheel hub, partial mass of the motor is borne by the auxiliary frame 6 of the automobile and the lower swing arm 5 of the automobile suspension frame, so that unsprung mass is reduced, and the operation performance of the automobile is improved; meanwhile, the supporting weight of the suspension assembly 2 is reduced, and the durability of the suspension assembly is improved. Understandably, when the electric machine 1 is connected to the subframe 6 of the vehicle via the second suspension 21, both the first suspension 22 and the second suspension 21 belong to the force transmission channel.
Further, the first suspension members 22 in this embodiment are provided in one or more as needed; optionally, there are two of the first suspension members 22; the second suspension member 21 and the two first suspension members 22 constitute a three-point suspension structure for supporting the motor 1. In this embodiment, the motor 1 is stably supported on the vehicle sub frame 6 and the vehicle suspension lower swing arm 5 by a three-point suspension structure, and moves or changes the output shaft angle following the swing of the vehicle suspension lower swing arm 5.
In the embodiment shown in fig. 1, the first suspension 22 is arranged on the side of the motor 1 close to the retarder and the second suspension 21 is arranged on the side of the motor 1 remote from the retarder.
Understandably, in the present invention, since it is necessary to make the suspension assembly 2 follow the change of the output shaft angle of the motor 1 and the relative displacement between the motor 1 and the automobile hub 4 accompanying the swing of the automobile suspension lower swing arm 5, the first suspension member 22 may be provided in one or more number, but the second suspension member 21 is not provided in the suspension assembly 2, that is, the suspension assembly 2 only includes one or more first suspension members 22 connected between the motor 1 and the automobile suspension lower swing arm 5.
In one embodiment, the suspension assembly 2 comprises a third suspension (not shown) and a bionic mechanism (not shown) mounted on the lower swing arm 5 of the automobile suspension; the motor 1 is hinged on the bionic mechanism through the third suspension piece. The third suspension part comprises a flexible connecting point and connecting pieces connected to two ends of the flexible connecting point, and therefore the connecting pieces at two ends of the flexible connecting point can rotate and move relatively within a constraint range due to the requirement of vibration reduction. In the embodiment, the bionic mechanism refers to a bracket or a cage-shaped structure which can support the motor 1 and a third suspension on the lower swing arm 5 of the automobile suspension; the motor 1 is installed on the bionic mechanism through a third suspension part and is hinged with the bionic mechanism. In this embodiment, when the automobile is suddenly accelerated, suddenly decelerated, steered or passes through a rough road, the automobile hub 4 is impacted, the shock absorber jumps and the swing arm 5 under the automobile suspension swings along with the shock absorber to drive the bionic mechanism to move, the motor 1 can be driven by the third suspension part to change the angle of the output shaft of the motor 1 and the relative displacement between the output shaft and the automobile hub 4 in a self-adaptive manner along with the movement of the bionic mechanism, and then the allowable jumping amount of the shock absorber is increased while different movement requirements are met.
Optionally, the bionic mechanism includes a first bionic support (not shown) and a second bionic support (not shown), wherein the number of the first bionic support and the second bionic support can be set according to requirements; the first bionic support piece is connected between the third suspension piece and the lower swing arm 5 of the automobile suspension, and the second bionic support piece is connected between the third suspension piece and the auxiliary frame 6 of the automobile. In this embodiment, the motor 1 and the third suspension are stably supported on the vehicle subframe 6 and the vehicle suspension lower swing arm 5 by the first and second bionic supports, and the motor 1 moves or changes the output shaft angle following the swing of the vehicle suspension lower swing arm 5.
In an embodiment, the driving structure of the motor 1 further includes a first half shaft 7, one end of the first half shaft 7 is rotatably connected to the speed reducer 3, and the other end of the first half shaft 7 is rotatably connected to the motor 1; the motor 1 drives the speed reducer 3 to drive the automobile hub 4 to rotate through the first half shaft 7. Specifically, the first half shaft 7 is connected with an output shaft of the motor, in the embodiment, in the driving process of the automobile, the driving force of the motor 1 is transmitted to the speed reducer 3 through the first half shaft 7, and the automobile is driven to advance through the automobile hub 4; meanwhile, the drive requirement of the whole drive structure of the motor 1 on the motor 1 can be reduced, and larger drive torque can be provided. In the embodiment, the motor 1 and the reducer 3 are respectively arranged at different positions; that is, the speed reducer 3 is located at the position of an automobile hub 4, the motor 1 is mounted on the lower swing arm 5 of the automobile suspension through the suspension assembly 2 (in some embodiments, the motor 1 is mounted on the lower swing arm 5 of the automobile suspension and the auxiliary frame 6 of the automobile through the suspension assembly 2), and the two are connected through the first half shaft 7, so that unsprung mass can be effectively reduced, and the operation performance of the automobile can be improved; the motor 1 of the embodiment has good working environment, the motor 1 has compact driving structure, and the influence on a suspension system is small.
Preferably, one end of the first half shaft 7 is connected to the motor 1 through a first spline (not shown) and a first universal joint, and the other end of the first half shaft 7 is connected to the speed reducer 3 through a second spline (not shown) and a second universal joint. Alternatively, both the first and second universal joints may be set as the center fixed type constant velocity universal joint or the slidable type constant velocity universal joint according to the requirements (determined according to the amount of the swing angle and the amount of the slip of the first half shaft 7). The first spline and the second spline are ball splines. That is, the housing of the speed reducer 3 is fixedly connected to the automobile hub 4, and both the speed reducer 3 and the motor 1 are connected to the first half shaft 7 through a ball spline and a universal joint (a center fixed type constant velocity universal joint or a slidable type constant velocity universal joint).
Understandably, when the automobile is subjected to rapid acceleration, rapid deceleration and steering or passes through a rough road surface, the automobile hub 4 is impacted, the shock absorber jumps and the lower swing arm 5 of the automobile suspension swings along with the shock absorber, and at the moment, the first universal joint and the second universal joint at the two ends of the first half shaft 7 can provide the required offset angle and offset displacement between the automobile hub 4 and the motor 1 according to the impact on the automobile hub 4; meanwhile, through the force transmission channel, the offset angle and offset displacement compensation can be performed on the relative motion between the motor 1 and the automobile hub 4 (namely, the motor 1 can adaptively change the angle of the output shaft of the motor 1 and the relative displacement between the output shaft of the motor 1 and the automobile hub 4 along with the swinging arm angle of the lower swinging arm 5 of the automobile suspension under the driving of the suspension assembly 2), namely, the suspension assembly 2 can supplement and adjust the slip amount and the swing angle amount of the first half shaft 7 relative to the motor 1 and the speed reducer 3, the swing angle amount and the slip amount requirement of the first half shaft 7 can be reduced, the speed reducer 3 is allowed to have a larger motion stroke, and the allowable jumping amount of the shock absorber is increased while different motion requirements are met.
In one embodiment, as shown in fig. 1, the reducer 3 includes a housing 31, and a ring gear 32 and a sun gear 33 mounted in the housing 31; the sun gear 33 is connected with the first half shaft 7; the gear ring 32 is connected with the input end of the automobile hub 4; the driving structure of the motor 1 further comprises a steering knuckle 8 which is rotatably connected with the input end of the automobile hub 4 (the steering knuckle 8 is mounted on the automobile body through a suspension structure, and the suspension structure is not shown in fig. 1); the shell 31 is hinged with the lower swing arm 5 of the automobile suspension through the steering knuckle 8. Specifically, the knuckle 8 is connected with the outer ring of a hub bearing 9 of the automobile hub 4, and the knuckle 8 and the automobile hub 4 can rotate freely relatively. The speed reducer 3 in this embodiment is a planetary gear mechanism, the first half shaft 7 is connected to the speed reducer 3 and the motor 1, and the motor 1 transmits the driving force of the motor 1 to the sun gear 33 (with the sun gear 33 as the input shaft of the speed reducer 3) through the first half shaft 7, and then drives the automobile hub 4 to rotate through the gear ring 32 (with the gear ring 32 as the output shaft of the speed reducer 3).
In one embodiment, the driving structure of the motor 1 further comprises a second half shaft connected with the speed reducer 3, and the motor 1 is connected with the speed reducer 3; the speed reducer 3 is driven by the motor 1 to drive the automobile hub 4 to rotate through the second half shaft. In this embodiment, the motor 1 and the speed reducer 3 in the driving structure of the motor 1 can be directly integrated according to the requirement (two second half shafts are arranged at two ends of the speed reducer 3 and connected to the automobile hub 4), at this time, the speed reducer 3 can be a planetary gear mechanism or a parallel shaft gear mechanism, and the gear of the speed reducer 3 can be one gear or multiple gears. At this time, in some embodiments of the present invention, the suspension assembly 2 directly supports the integrated body of the motor 1 and the decelerator 3, and in other embodiments, the suspension assembly 2 is only used for supporting the motor 1, and the motor 1 driving mechanism further includes a suspension device connected to the decelerator 3, and the suspension device is used for fixedly supporting the decelerator 3 alone.
To facilitate understanding of the above-described embodiments of the present invention, they are specifically described with respect to the embodiment in FIG. 1: an input shaft of a sun gear 33 of the speed reducer 3 is connected with a first half shaft 7, a gear ring 32 of the speed reducer 3 is connected with an automobile hub 4 as an output shaft, the first half shaft 7 rotates under the driving of the motor 1, and the automobile hub 4 is driven to rotate through the speed reducer 3; the knuckle 8 is installed on the automobile body through the suspension structure not shown in fig. 1, and the knuckle 8 is articulated with swing arm 5 under the automobile suspension, rotate through wheel hub bearing 9 between automobile wheel hub 4 and the knuckle 8 and be connected, casing 31 (including the planet carrier) fixed mounting of reduction gear 3 is on the knuckle 8, it is articulated between swing arm 5 under automobile sub vehicle frame 6 and the automobile suspension, finally, automobile wheel hub 4, the knuckle 8 and casing 31 of reduction gear 3 can be translated from top to bottom and simultaneously swing around the pin joint of swing arm 5 under automobile sub vehicle frame 6 and the automobile suspension, automobile wheel hub 4, first half axle 7 and the inside reduction gear of reduction gear 3 rotate.
One end of a second suspension part 21 in the automobile 1 is arranged on an auxiliary frame 6 of the automobile, and the other end of the second suspension part is connected with the motor 1; and one end of the two first suspension parts 22 is arranged on the lower swing arm 5 of the automobile suspension, and the other end is connected with the motor 1. The second suspension member 21 and the first suspension member 22 both include a flexible connection point and connection members connected to both ends of the flexible connection point, so that the connection members at both ends of the flexible connection point can rotate and move relatively within a constraint range due to the need of vibration reduction.
The first half shaft 7 is a rigid shaft with variable length, a first universal joint and a second universal joint are respectively arranged at two ends of the first half shaft 7, the purpose is to transmit torque between two rotating parts with different shafts (the output shaft of the motor 1 and the input shaft of the automobile hub 4 are two rotating parts with different shafts), when the relative position of the automobile hub 4 and the motor 1 is changed, the first half shaft 7 can generate length change (namely slippage) and included angle change (namely swing angle change) with the universal joints, but the length change and included angle change range of the first half shaft 7 are limited; at this time, the motor 1 is installed on the automobile subframe 6 and the automobile suspension lower swing arm 5 through the suspension assembly 2, when the automobile hub 4 is impacted and the position is changed, the swing arm angle of the automobile suspension lower swing arm 5 is also changed, at this time, the motor 1 is also synchronously changed along with the automobile suspension lower swing arm 5 under the driving of the suspension assembly 2 (similar to a parallelogram structure), so that the length change of the first half shaft 7 (namely, the slippage representing the elongation of the first half shaft 7) and the included angle change between the first half shaft and the universal joint (namely, the swing angle) are reduced, namely, the motor 1 can adaptively change the output shaft angle of the motor 1 and the relative displacement between the output shaft and the automobile hub 4 along with the swing arm angle of the automobile suspension lower swing arm 5 under the driving of the second suspension member 21 and the first suspension member 22, and further supplement and adjust the slippage and the swing angle generated by the first half shaft 7 relative to the motor 1 and the speed reducer 3, the requirements of the swing angle and the slippage of the first half shaft 7 can be reduced, so that the speed reducer 3 is allowed to have a larger movement stroke, and the allowable jumping amount of the shock absorber is increased while different movement requirements are met.
The invention also provides an automobile comprising the motor driving structure.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A motor driving structure is characterized by comprising a motor, a suspension assembly and a speed reducer, wherein the speed reducer is connected with an automobile hub and is hinged with a lower swing arm of an automobile suspension; the speed reducer is driven by the motor to drive the automobile hub to rotate; the motor is hinged on the lower swing arm of the automobile suspension through the suspension assembly;
the automobile suspension lower swing arm and the suspension assembly form a force transmission channel between an automobile hub and the motor; when the automobile hub is impacted, the angle of the output shaft of the motor and the relative displacement between the motor and the automobile hub are adjusted through the force transmission channel.
2. The motor drive structure according to claim 1, wherein the suspension assembly includes a first suspension member; one end of the first suspension piece is installed on a lower swing arm of the automobile suspension, and the other end of the first suspension piece is flexibly connected to the motor.
3. The motor drive structure of claim 2, wherein the suspension assembly further comprises a second suspension member; one end of the second suspension piece is installed on an automobile auxiliary frame hinged with a lower swing arm of an automobile suspension, and the other end of the second suspension piece is flexibly connected to the motor.
4. The motor drive structure according to claim 3, wherein there are two of the first suspension members; the second suspension member and the two first suspension members constitute a three-point suspension structure for supporting the motor.
5. The motor drive structure according to claim 4, wherein the first suspension is located on a side of the motor near the speed reducer.
6. The motor drive structure according to any one of claims 1 to 5, further comprising a first half shaft, one end of which is rotatably connected to the speed reducer, and the other end of which is rotatably connected to the motor; the motor drives the speed reducer to drive the automobile hub to rotate through the first half shaft.
7. The motor drive structure according to claim 6, wherein the speed reducer includes a housing, and a ring gear and a sun gear that are mounted in the housing; the sun gear is connected with the first half shaft; the gear ring is connected with the input end of the automobile hub; the motor driving structure also comprises a steering knuckle which is rotationally connected with the input end of the automobile hub; the shell is hinged with the lower swing arm of the automobile suspension through the steering knuckle.
8. The motor drive structure according to claim 6, wherein one end of said first half shaft is connected to said motor through a first spline and a first universal joint, and the other end of said first half shaft is connected to said speed reducer through a second spline and a second universal joint.
9. The motor drive structure according to any one of claims 1 to 5, further comprising a second half shaft to which the speed reducer is connected, the motor being connected to the speed reducer; the speed reducer is driven by the motor to drive the automobile hub to rotate through the second half shaft.
10. An automobile characterized by comprising the motor drive structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063655.5A CN114312263A (en) | 2020-09-30 | 2020-09-30 | Motor drive structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063655.5A CN114312263A (en) | 2020-09-30 | 2020-09-30 | Motor drive structure and car |
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| Publication Number | Publication Date |
|---|---|
| CN114312263A true CN114312263A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011063655.5A Pending CN114312263A (en) | 2020-09-30 | 2020-09-30 | Motor drive structure and car |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1703335A (en) * | 2002-10-02 | 2005-11-30 | 株式会社普利司通 | In-wheel motor system for steering wheel |
| CN102009576A (en) * | 2010-12-01 | 2011-04-13 | 同济大学 | Single trailing arm suspension deceleration type wheel electric drive system |
| CN102887058A (en) * | 2012-10-15 | 2013-01-23 | 同济大学 | Speed reducing type electric drive system in integrated McPherson hanger bracket wheel |
| CN203766484U (en) * | 2014-02-07 | 2014-08-13 | 同济大学 | Integrated Macpherson suspension wheel rim electric driving system for steering wheel |
| CN105882741A (en) * | 2016-05-24 | 2016-08-24 | 辽宁工业大学 | Independent drive and steering type modularized automobile wheel assembly and rear wheel steering control method |
| CN106428195A (en) * | 2016-11-08 | 2017-02-22 | 同济大学 | Integrated linear control independent steering system based on Macpherson suspension |
| CN208962805U (en) * | 2018-09-21 | 2019-06-11 | 吉林大学 | A kind of suspension angle assembly of hub motor driven electric vehicle |
-
2020
- 2020-09-30 CN CN202011063655.5A patent/CN114312263A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1703335A (en) * | 2002-10-02 | 2005-11-30 | 株式会社普利司通 | In-wheel motor system for steering wheel |
| CN102009576A (en) * | 2010-12-01 | 2011-04-13 | 同济大学 | Single trailing arm suspension deceleration type wheel electric drive system |
| CN102887058A (en) * | 2012-10-15 | 2013-01-23 | 同济大学 | Speed reducing type electric drive system in integrated McPherson hanger bracket wheel |
| CN203766484U (en) * | 2014-02-07 | 2014-08-13 | 同济大学 | Integrated Macpherson suspension wheel rim electric driving system for steering wheel |
| CN105882741A (en) * | 2016-05-24 | 2016-08-24 | 辽宁工业大学 | Independent drive and steering type modularized automobile wheel assembly and rear wheel steering control method |
| CN106428195A (en) * | 2016-11-08 | 2017-02-22 | 同济大学 | Integrated linear control independent steering system based on Macpherson suspension |
| CN208962805U (en) * | 2018-09-21 | 2019-06-11 | 吉林大学 | A kind of suspension angle assembly of hub motor driven electric vehicle |
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