CN107323249B - Wheel motor driving system with independent suspension and automobile - Google Patents

Wheel motor driving system with independent suspension and automobile Download PDF

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Publication number
CN107323249B
CN107323249B CN201710593628.0A CN201710593628A CN107323249B CN 107323249 B CN107323249 B CN 107323249B CN 201710593628 A CN201710593628 A CN 201710593628A CN 107323249 B CN107323249 B CN 107323249B
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China
Prior art keywords
shaft sleeve
swing arm
wheel
independent suspension
motor
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CN201710593628.0A
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CN107323249A (en
Inventor
谷林波
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Hangzhou Dover New Energy Technology Co ltd
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Hangzhou Times Electric Technology Co ltd
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Priority to CN201710593628.0A priority Critical patent/CN107323249B/en
Publication of CN107323249A publication Critical patent/CN107323249A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00Disposition of motor in, or adjacent to, traction wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00Pivoted suspension arms; Accessories thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/12Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention provides a wheel-side motor driving system with an independent suspension and an automobile, which comprise a motor, a half-shaft sleeve, a C-shaped beam, a main speed reducer, a wheel-side speed reducer and a hub assembly, wherein the motor is provided with a motor front end cover which is fixedly connected to the half-shaft sleeve; the hub assembly is rotatably arranged on the half-shaft sleeve, the hub assembly is fixedly connected with the hub reduction gear, the C-shaped beam is fixedly arranged on the half-shaft sleeve, the half-shaft sleeve is of a hollow structure, a sun gear shaft is arranged in the half-shaft sleeve, and the sun gear shaft is respectively connected with the main reduction gear and the hub reduction gear in a power transmission mode; the hub reduction gear is used for transmitting the power of the motor to the hub assembly after the power is subjected to secondary reduction. The independent suspension is adopted to solve the problem of large unsprung weight of the traditional integral wheel motor bridge, and the power is highly integrated.

Description

Wheel motor driving system with independent suspension and automobile
Technical Field
The invention relates to the technical field of automobiles, in particular to a wheel-side motor driving system with an independent suspension and an automobile.
Background
The existing driving system of the new energy automobile is mainly characterized in that an original engine is simply replaced by a motor in a refitting mode, or the motor is integrated on a rear axle to form an integral wheel motor bridge. The refitting mode based on the traditional vehicle has the problems of large occupied space, heavy weight, high cost and the like, and the integral wheel motor bridge has the problems of unsprung weight, influence on comfort and the like.
Disclosure of Invention
In view of the current state of the art, the invention aims to provide a wheel motor driving system with an independent suspension, which solves the problem of large unsprung weight of the traditional integral wheel motor bridge by adopting an independent suspension form, integrates power together highly, and has the advantages of small volume, light weight, high integration level, few parts, low cost and high reliability; by combining different numbers of the wheel side driving systems, new energy automobiles with different driving types can be obtained. In order to achieve the above purpose, the technical scheme of the invention is as follows:
the wheel side motor driving system with the independent suspension comprises a motor, a half shaft sleeve, a C-shaped beam, a main speed reducer, a wheel side speed reducer and a hub assembly, wherein the motor is provided with a motor front end cover, the motor front end cover is fixedly connected to the half shaft sleeve, a gear of the main speed reducer is arranged on the motor front end cover, and the main speed reducer is used for carrying out first speed reduction on the power of the motor; the hub assembly is rotatably mounted on the half-shaft sleeve, the hub assembly is fixedly connected with the wheel-side speed reducer, the C-shaped beam is fixedly mounted on the half-shaft sleeve, the half-shaft sleeve is of a hollow structure, a sun wheel shaft is arranged in the half-shaft sleeve, and the sun wheel shaft is respectively connected with the main speed reducer and the wheel-side speed reducer in a power transmission mode; the hub reduction gear is used for carrying out secondary reduction on the power of the motor and then transmitting the power to the hub assembly.
As a preferable scheme, the half-shaft sleeve is provided with a mounting seat, the mounting seat is arranged on the lower side of the half-shaft sleeve, the C-shaped beam is arranged on the mounting seat, and the C-shaped beam is supported and fixed by the mounting seat.
As a preferable scheme, a first air bag and a first shock absorber are arranged at a first end of the C-shaped beam, a second air bag and a second shock absorber are arranged at a second end of the C-shaped beam, and the first air bag, the first shock absorber, the second air bag and the second shock absorber are used for supporting a vehicle body or a vehicle frame.
As a preferable scheme, the C-shaped beam is provided with an air bag mounting hole and a damper mounting hole, the first air bag and the second air bag are respectively fixed at the air bag mounting hole, and the first damper and the second damper are respectively fixed at the damper mounting hole.
As a preferable scheme, the first air bag and the second air bag are symmetrically arranged on two sides of the half-shaft sleeve, and the first shock absorber and the second shock absorber are symmetrically arranged on two sides of the half-shaft sleeve.
As a preferred scheme, the wheel side motor driving system with the independent suspension further comprises an upper swing arm, the upper swing arm is arranged on the half-shaft sleeve, the upper swing arm is pivoted with the half-shaft sleeve, and the upper swing arm is further pivoted with a vehicle body or a vehicle frame to support the vehicle body or the vehicle frame.
As a preferable scheme, the wheel side motor driving system with the independent suspension further comprises a lower swing arm, the lower swing arm is arranged below the upper swing arm, the lower swing arm is arranged on the half-shaft sleeve, the lower swing arm is pivoted with the half-shaft sleeve, and the lower swing arm is further pivoted with a vehicle body or a vehicle frame to support the vehicle body or the vehicle frame.
As a preferred scheme, the wheel side motor driving system with the independent suspension further comprises a brake assembly, wherein the brake assembly is arranged on the half-shaft sleeve and is used for being matched with a brake disc of the hub assembly to realize a braking function.
According to another aspect of the invention, the invention further provides an automobile, which comprises the wheel side motor driving system with the independent suspension according to any one of the technical schemes.
The beneficial effects of the invention are as follows:
the wheel motor driving system with the independent suspension and the automobile solve the problem of large unsprung weight of the traditional integral wheel motor bridge by adopting the independent suspension form, the power is highly integrated, and the wheel motor driving system has the advantages of small volume, light weight, high integration level, fewer parts, low cost and high reliability; the gear of the main speed reducer is arranged on the front end cover of the motor, and the gear installation matrix does not participate in bearing; the new energy automobiles with different driving types can be obtained by combining different numbers of wheel edge driving systems; the C-shaped beam structure solves the problem of the arrangement space of the double air bags and the double shock absorbers; the C-shaped beam mounting structure solves the strength problem of the upper swing arm and the lower swing arm, and reduces the weight of the assembly; the structure of the double-airbag double-damper solves the problem of low bearing capacity of the traditional independent suspension; the motor, the transmission system, the braking system, the suspension and the like of the new energy automobile are highly integrated, so that the space is reduced, the weight is reduced, and the comfort of the automobile is improved.
Drawings
FIG. 1 is a schematic perspective view of a wheel side motor drive system with independent suspension according to an embodiment of the present invention;
reference numerals illustrate:
1. a motor; 2, a lower swing arm; 3, a front end cover of the motor; 4, a half-shaft sleeve; 5C beam;
6. a first air bladder; 7, a first shock absorber; 8 wheel-side speed reducers; 9, a hub assembly;
10. a second air bladder; a second damper 11; a brake assembly; 13 upper swing arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following describes the wheel side motor driving system with independent suspension and the automobile with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the wheel side motor driving system with independent suspension according to an embodiment of the present invention includes a motor 1, a half shaft sleeve 4, a C-beam 5, a final drive, a wheel side reducer 8, and a hub assembly 9.
The motor 1 is provided with a motor front end cover 3, the motor front end cover 3 is fixedly arranged on the main body of the motor 1, and the motor front end cover 3 is fixedly connected on the half-shaft sleeve 4, so that the main body of the motor 1 is fixedly connected on the half-shaft sleeve 4 through the motor front end cover 3. The gear of the main speed reducer is arranged on the motor front end cover 3, and the main speed reducer is used for carrying out first speed reduction on the power of the motor 1.
The C-shaped beam 5 is fixedly arranged on the half shaft sleeve 4. The installation seat is arranged on the half-shaft sleeve 4, the C-shaped beam 5 is fixedly installed on the half-shaft sleeve 4 through the installation seat, the installation seat is arranged on the lower side of the half-shaft sleeve 4, the C-shaped beam 5 is arranged on the installation seat, and the C-shaped beam 5 is supported and fixed by the installation seat.
The hub assembly 9 is rotatably arranged on the half-shaft sleeve 4, and the hub assembly 9 is fixedly connected with the hub reduction gear 8. The half shaft sleeve 4 is of a hollow structure, a sun gear shaft is arranged in the half shaft sleeve 4, and the sun gear shaft is respectively connected with the main speed reducer and the wheel edge speed reducer 8 in a power transmission mode. The hub reduction gear 8 is used for reducing the power of the motor 1 for the second time and transmitting the power to the hub assembly 9. The hub reduction gear 8 may include a sun gear, a planet gear and a gear ring, where the sun gear is meshed with the planet gear, the planet gear is meshed with the gear ring, the sun gear is connected with an output gear of the main reduction gear through a sun gear shaft, the output gear of the main reduction gear drives the sun gear to rotate through the sun gear shaft, the sun gear drives the planet gear to rotate, the planet gear drives the gear ring to rotate, and the gear ring drives the hub assembly 9 to synchronously rotate. The hub assembly 9 may be bearing mounted on the axle sleeve 4.
Preferably, a brake assembly 12 is also mounted on the axle sleeve 4, the brake assembly 12 being adapted to cooperate with a brake disc of the hub assembly 9 to perform a braking function.
In this embodiment, an upper swing arm 13 is further disposed on the axle sleeve 4, the upper swing arm 13 is pivoted with the axle sleeve 4, and the upper swing arm 13 is further pivoted with a vehicle body or a vehicle frame to support the vehicle body or the vehicle frame. The upper swing arm 13 is Y-shaped, a U-shaped groove is arranged at the bottom of the Y-shaped, two upper oblique sides of the Y-shaped are not in the same plane, and the lengths of the two upper oblique sides of the Y-shaped can be the same or different. The half shaft sleeve 4 is provided with an upper pin hole, the upper swing arm 13 is also provided with a pin hole, and the upper swing arm 13 is pivoted with the half shaft sleeve 4 through a mounting pin shaft or a bushing; the upper swing arm 13 is pivoted with the vehicle body or the vehicle frame through a mounting pin shaft or a bushing. Thus, the stability of the vehicle body or the vehicle frame can be improved.
The lower swing arm 2 is further arranged on the half shaft sleeve 4, the lower swing arm 2 is arranged below the upper swing arm 13, the lower swing arm 2 is arranged on the half shaft sleeve 4, the lower swing arm 2 is pivoted with the half shaft sleeve 4, and the lower swing arm 2 is further pivoted with a vehicle body or a vehicle frame to support the vehicle body or the vehicle frame. The lower swing arm 2 is Y-shaped, a U-shaped groove is arranged at the bottom of the Y-shaped, two upper oblique sides of the Y-shaped are not in the same plane, and the lengths of the two upper oblique sides of the Y-shaped can be the same or different. The half shaft sleeve 4 is provided with a lower pin hole, the lower swing arm 2 is also provided with a pin hole, and the lower swing arm 2 is pivoted with the half shaft sleeve 4 through a mounting pin shaft or a bushing; the lower swing arm 2 is pivoted with the vehicle body or the vehicle frame through a mounting pin shaft or a bushing. Thus, the stability of the vehicle body or the vehicle frame can be further improved.
As an alternative, the first end of the C-beam 5 is provided with a first air bag 6 and a first damper 7, the second end of the C-beam 5 is provided with a second air bag 10 and a second damper 11, and the first air bag 6, the first damper 7, the second air bag 10 and the second damper 11 are used for supporting a vehicle body or frame.
Preferably, the C-beam 5 is provided with an air bag mounting hole and a damper mounting hole, the first air bag 6 and the second air bag 10 are respectively fixed at the air bag mounting hole, and the first damper 7 and the second damper (11) are respectively fixed at the damper mounting hole. The first air bag 6 and the second air bag 10 are symmetrically arranged on two sides of the half-shaft sleeve 4, and the first shock absorber 7 and the second shock absorber 11 are also symmetrically arranged on two sides of the half-shaft sleeve 4.
According to another aspect of the invention, the invention further provides an automobile, which comprises the wheel side motor driving system with the independent suspension according to any one of the technical schemes.
The wheel motor driving system with the independent suspension and the automobile adopt the independent suspension form to solve the problem of large unsprung weight of the traditional integral wheel motor bridge, the power is highly integrated, and the wheel motor driving system has the advantages of small volume, light weight, high integration level, few parts, low cost and high reliability; the gear of the main speed reducer is arranged on the front end cover of the motor, and the gear installation matrix does not participate in bearing; the new energy automobiles with different driving types can be obtained by combining different numbers of wheel edge driving systems; the C-shaped beam structure solves the problem of the arrangement space of the double air bags and the double shock absorbers; the C-shaped beam mounting structure solves the strength problem of the upper swing arm and the lower swing arm, and reduces the weight of the assembly; the structure of the double-airbag double-damper solves the problem of low bearing capacity of the traditional independent suspension; the motor, the transmission system, the braking system, the suspension and the like of the new energy automobile are highly integrated, so that the space is reduced, the weight is reduced, and the comfort of the automobile is improved.
It should be noted that the above embodiments and features in the embodiments may be combined with each other without conflict.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims (9)

1. The wheel motor driving system with the independent suspension is characterized by comprising a motor (1), a half-shaft sleeve (4), a C-shaped beam (5), a main speed reducer, a wheel speed reducer (8) and a hub assembly (9), wherein the motor (1) is provided with a motor front end cover (3), the motor front end cover (3) is fixedly connected to the half-shaft sleeve (4), a gear of the main speed reducer is arranged on the motor front end cover (3), and the main speed reducer is used for reducing the power of the motor (1) for the first time; the novel electric bicycle is characterized in that the hub assembly (9) is rotatably mounted on the half-shaft sleeve (4), the hub assembly (9) is fixedly connected with the wheel-side speed reducer (8), the C-shaped beam (5) is fixedly mounted on the half-shaft sleeve (4), the half-shaft sleeve (4) is of a hollow structure, a sun gear shaft is arranged in the half-shaft sleeve (4), the sun gear shaft is respectively connected with the main speed reducer and the wheel-side speed reducer (8) in a power transmission manner, and the wheel-side speed reducer (8) is used for transmitting power of the motor (1) to the hub assembly (9) after the power is subjected to secondary speed reduction.
2. Wheel side motor drive system with independent suspension according to claim 1, characterized in that the axle sleeve (4) is provided with a mounting seat placed on the underside of the axle sleeve (4), the C-beam (5) being arranged on the mounting seat, the C-beam (5) being supported and fixed by the mounting seat.
3. Wheel side motor drive system with independent suspension according to claim 1, characterized in that the first end of the C-beam (5) is provided with a first air bag (6) and a first damper (7), the second end of the C-beam (5) is provided with a second air bag (10) and a second damper (11), the first air bag (6), the first damper (7), the second air bag (10) and the second damper (11) being for supporting a vehicle body or frame.
4. A wheel side motor driving system with an independent suspension according to claim 3, characterized in that the C-beam (5) is provided with an air bag mounting hole and a damper mounting hole, the first air bag (6) and the second air bag (10) are respectively fixed at the air bag mounting hole, and the first damper (7) and the second damper (11) are respectively fixed at the damper mounting hole.
5. A wheel side motor drive system with independent suspension according to claim 3, characterized in that the first air bladder (6) and the second air bladder (10) are symmetrically arranged on both sides of the axle sleeve (4), and the first shock absorber (7) and the second shock absorber (11) are symmetrically arranged on both sides of the axle sleeve (4).
6. Wheel side motor drive system with independent suspension according to any of claims 1-5, further comprising an upper swing arm (13), said upper swing arm (13) being arranged on said axle sleeve (4), said upper swing arm (13) being pivotally connected to said axle sleeve (4), said upper swing arm (13) being further adapted to be pivotally connected to a vehicle body or frame for supporting said vehicle body or frame.
7. The wheel side motor driving system with the independent suspension according to claim 6, further comprising a lower swing arm (2), wherein the lower swing arm (2) is arranged below the upper swing arm (13), the lower swing arm (2) is arranged on the half shaft sleeve (4), the lower swing arm (2) is pivoted with the half shaft sleeve (4), and the lower swing arm (2) is further pivoted with a vehicle body or a vehicle frame to support the vehicle body or the vehicle frame.
8. Wheel-side motor drive system with independent suspension according to any of claims 1-5, further comprising a brake assembly (12), said brake assembly (12) being mounted on said axle sleeve (4), said brake assembly (12) being adapted to cooperate with a brake disc of said hub assembly (9) for performing a braking function.
9. An automobile comprising the wheel side motor drive system with independent suspension according to any one of claims 1 to 8.
CN201710593628.0A 2017-07-20 2017-07-20 Wheel motor driving system with independent suspension and automobile Active CN107323249B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710593628.0A CN107323249B (en) 2017-07-20 2017-07-20 Wheel motor driving system with independent suspension and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710593628.0A CN107323249B (en) 2017-07-20 2017-07-20 Wheel motor driving system with independent suspension and automobile

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CN107323249A CN107323249A (en) 2017-11-07
CN107323249B true CN107323249B (en) 2023-09-29

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110843440A (en) * 2018-08-21 2020-02-28 东风德纳车桥有限公司 Electric drive axle assembly of suspension integrated automatic gearbox
CN109515161A (en) * 2018-12-17 2019-03-26 上海科曼车辆部件系统股份有限公司 A kind of automobile wheel edge power drive system
CN110001381A (en) * 2019-04-16 2019-07-12 智导灵(苏州)智能科技有限公司 A kind of new-energy automobile wheel side separated type drive assembly
CN111361371A (en) * 2019-07-16 2020-07-03 东风德纳车桥有限公司 Integrated wheel limit motor assembly of independent suspension
CN112440641A (en) * 2019-08-30 2021-03-05 郑州宇通客车股份有限公司 Liftable axle type suspension driving system assembly and multi-axle electric vehicle

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Publication number Priority date Publication date Assignee Title
CN102785565A (en) * 2012-07-30 2012-11-21 同济大学 Macpherson suspension wheel rim electric driving system for steering wheel
WO2014101257A1 (en) * 2012-12-27 2014-07-03 上海瑞尔实业有限公司 Independent suspension structure for drive axle
CN104290721A (en) * 2013-07-16 2015-01-21 简式国际汽车设计(北京)有限公司 Wheel motor drive axle of new energy automobile
CN104908581A (en) * 2015-05-31 2015-09-16 简式国际汽车设计(北京)有限公司 Wheel side motor driving system and wheel side motor driving axle
CN206030979U (en) * 2016-08-31 2017-03-22 厦门威迪思汽车设计服务有限公司 Commercial car wheel driving independent suspension device
CN207449613U (en) * 2017-07-20 2018-06-05 谷林波 A kind of wheel motor drive system and automobile with independent suspension

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102785565A (en) * 2012-07-30 2012-11-21 同济大学 Macpherson suspension wheel rim electric driving system for steering wheel
WO2014101257A1 (en) * 2012-12-27 2014-07-03 上海瑞尔实业有限公司 Independent suspension structure for drive axle
CN104290721A (en) * 2013-07-16 2015-01-21 简式国际汽车设计(北京)有限公司 Wheel motor drive axle of new energy automobile
CN104908581A (en) * 2015-05-31 2015-09-16 简式国际汽车设计(北京)有限公司 Wheel side motor driving system and wheel side motor driving axle
CN206030979U (en) * 2016-08-31 2017-03-22 厦门威迪思汽车设计服务有限公司 Commercial car wheel driving independent suspension device
CN207449613U (en) * 2017-07-20 2018-06-05 谷林波 A kind of wheel motor drive system and automobile with independent suspension

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