CN108749554A - With the matched electric automobile hub power drive system of independent suspension - Google Patents
With the matched electric automobile hub power drive system of independent suspension Download PDFInfo
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- CN108749554A CN108749554A CN201810346062.6A CN201810346062A CN108749554A CN 108749554 A CN108749554 A CN 108749554A CN 201810346062 A CN201810346062 A CN 201810346062A CN 108749554 A CN108749554 A CN 108749554A
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- 239000000725 suspension Substances 0.000 title claims abstract description 63
- 230000035939 shock Effects 0.000 claims abstract description 41
- 230000005611 electricity Effects 0.000 claims 1
- 239000006096 absorbing agent Substances 0.000 abstract description 33
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
- B60G3/24—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid a rigid arm being formed by the live axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
- B60G2200/14—Independent suspensions with lateral arms
- B60G2200/142—Independent suspensions with lateral arms with a single lateral arm, e.g. MacPherson type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/422—Driving wheels or live axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/44—Indexing codes relating to the wheels in the suspensions steerable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
本发明公开与独立悬架匹配的电动汽车轮毂电驱动系统，涉及汽车技术领域，主要结构包括轮毂电机，轮毂电机的壳体与轮毂固定连接，转子与壳体固定连接，电机轴与转向节以过盈配合的方式固定连接，使轮毂电机转动时轮毂随轮毂电机同步转动；轮毂电机和制动系统通过转向节与麦弗逊独立悬架相连接，连接稳定、可靠，连接结构简单；车轮所受到的侧向力大部分通过转向节由悬架下摆臂承受，其余部分由悬架减震器承受，大大减少了滑动摩擦和磨损。
The invention discloses an electric vehicle hub electric drive system matched with an independent suspension, which relates to the field of automobile technology. The interference fit is fixedly connected, so that the hub rotates synchronously with the hub motor when the hub motor rotates; the hub motor and the braking system are connected with the McPherson independent suspension through the steering knuckle, the connection is stable and reliable, and the connection structure is simple; Most of the lateral force received is borne by the lower swing arm of the suspension through the steering knuckle, and the rest is borne by the suspension shock absorber, which greatly reduces sliding friction and wear.
Description
技术领域technical field
本发明涉及汽车技术领域，特别是涉及与独立悬架匹配的电动汽车轮毂电驱动系统。The invention relates to the technical field of automobiles, in particular to an electric vehicle hub electric drive system matched with an independent suspension.
背景技术Background technique
新能源汽车能够有效缓解日益突出的能源、环境问题，其中，轮毂电机驱动电动汽车，由于其传动链短、效率高、空间布置灵活、易于实现底盘模块化和主动控制等优点，成为新能源汽车的主要发展方向之一，尤其适用于城市工况，因此小型轻量化的电动汽车深受消费者青睐，也是电动汽车的重要发展方向之一。New energy vehicles can effectively alleviate the increasingly prominent energy and environmental problems. Among them, in-wheel motor-driven electric vehicles have become new energy vehicles due to their advantages such as short drive chain, high efficiency, flexible space layout, and easy realization of chassis modularization and active control. One of the main development directions of electric vehicles, especially suitable for urban working conditions, so small and lightweight electric vehicles are favored by consumers, and it is also one of the important development directions of electric vehicles.
轮毂电机驱动系统的核心部件是轮毂电机，它能将动力、传动、制动系统整合到轮毂内，省略了传统汽车的机械式离合器、变速器、差速器、换挡装置等，大大简化了车辆的机械结构，并提高了传动效率，为全新构型底盘设计和多样化驱动模式提供了可行性。汽车悬架分为独立式和整体式，其中独立悬架具有舒适性较高、减小簧下质量等优点，得到了广泛的市场应用，尤其是轿车的转向轮，普遍采用了独立悬架。The core component of the hub motor drive system is the hub motor, which can integrate the power, transmission, and braking systems into the hub, omitting the mechanical clutch, transmission, differential, shifting device, etc. of a traditional car, which greatly simplifies the vehicle. The mechanical structure is improved, and the transmission efficiency is improved, which provides feasibility for a new chassis design and diversified drive modes. Automobile suspension is divided into independent type and integral type, among which independent suspension has the advantages of high comfort and reduced unsprung mass, and has been widely used in the market, especially the steering wheels of cars, which generally use independent suspension.
而现有技术中，悬架与电驱动系统的连接方式结构较为复杂，从而影响连接的稳定性与可靠性。However, in the prior art, the structure of the connection mode between the suspension and the electric drive system is relatively complicated, thus affecting the stability and reliability of the connection.
发明内容Contents of the invention
为解决以上技术问题，本发明提供与独立悬架匹配的电动汽车轮毂电驱动系统，以实现悬架与电驱动系统的连接稳定、牢靠，并增强减震效果。In order to solve the above technical problems, the present invention provides an electric vehicle hub electric drive system matched with an independent suspension, so as to realize stable and reliable connection between the suspension and the electric drive system, and enhance the shock absorption effect.
为实现上述目的，本发明提供了如下方案：To achieve the above object, the present invention provides the following scheme:
本发明提供与独立悬架匹配的电动汽车轮毂电驱动系统，包括轮毂电机；所述轮毂电机与轮毂同轴固定连接，所述轮毂电机与悬架减震器的低端相连接，所述悬架减震器的高端连接独立悬架；所述轮毂电机包括电机壳体、转子、定子、旋变转子、电机轴和定子支架，所述定子与定子支架为一体式结构，所述定子支架与所述电机轴固定连接，所述电机轴与所述电机壳体之间设置有第一轴承，所述转子固定设置于所述电机壳体内壁上，所述旋变转子设置于所述转子与所述定子之间，所述电机壳体与所述轮毂固定连接，所述电机轴与转向节固定连接。The invention provides an electric vehicle hub electric drive system matched with an independent suspension, including a hub motor; The high-end of the shock absorber is connected to the independent suspension; the hub motor includes a motor housing, a rotor, a stator, a resolver rotor, a motor shaft and a stator bracket, and the stator and the stator bracket are of an integrated structure, and the stator bracket It is fixedly connected with the motor shaft, a first bearing is arranged between the motor shaft and the motor casing, the rotor is fixedly arranged on the inner wall of the motor casing, and the resolver rotor is arranged on the Between the rotor and the stator, the motor housing is fixedly connected to the hub, and the motor shaft is fixedly connected to the steering knuckle.
可选的，所述电机壳体包括主体和端盖，所述端盖与所述主体固定连接，所述第一轴承设置于所述电机轴与所述主体之间，所述端盖与所述电机轴之间设置有第二轴承。Optionally, the motor housing includes a main body and an end cover, the end cover is fixedly connected to the main body, the first bearing is arranged between the motor shaft and the main body, and the end cover is connected to the main body. A second bearing is arranged between the motor shafts.
可选的，所述悬架减震器包括减震柱、螺旋弹簧、U型悬架减震器支架、减震器连接板、第一连接板和第二连接板；所述减震器连接板用于连接车体，所述减震柱设置于所述减震器连接板与所述U型悬架减震器支架之间，所述螺旋弹簧套设于所述减震柱上，所述第一连接板和所述第二连接板均设置于所述U型悬架减震器支架下部侧面；所述第一连接板和所述第二连接板与所述转向节相连接，所述转向节与所述悬架下摆臂相连接，所述悬架下摆臂与副车架相连接。Optionally, the suspension shock absorber includes a shock absorber column, a coil spring, a U-shaped suspension shock absorber bracket, a shock absorber connecting plate, a first connecting plate and a second connecting plate; the shock absorber is connected The plate is used to connect the vehicle body, the shock absorber column is arranged between the shock absorber connecting plate and the shock absorber bracket of the U-shaped suspension, and the coil spring is sleeved on the shock absorber column. The first connecting plate and the second connecting plate are both arranged on the lower side of the U-shaped suspension shock absorber bracket; the first connecting plate and the second connecting plate are connected to the steering knuckle, so The steering knuckle is connected with the suspension lower arm, and the suspension lower arm is connected with the sub-frame.
可选的，还包括制动系统，所述制动系统包括制动盘，所述制动盘与所述电机壳体固定连接。Optionally, a brake system is also included, the brake system includes a brake disc, and the brake disc is fixedly connected with the motor housing.
可选的，所述第一连接板和所述第二连接板平行设置。Optionally, the first connecting plate and the second connecting plate are arranged in parallel.
可选的，所述第一连接板和所述第二连接板均通过第一螺栓与所述转向节连接。Optionally, both the first connecting plate and the second connecting plate are connected to the steering knuckle through first bolts.
可选的，所述制动系统还包括制动钳，所述制动钳与所述轮毂电机通过第二螺栓连接。Optionally, the brake system further includes a brake caliper, and the brake caliper is connected to the hub motor through a second bolt.
可选的，所述轮毂与所述轮毂电机通过多个第三螺栓固定连接。Optionally, the hub is fixedly connected to the hub motor through a plurality of third bolts.
本发明相对于现有技术取得了以下技术效果：Compared with the prior art, the present invention has achieved the following technical effects:
本发明中的与独立悬架匹配的电动汽车轮毂电驱动系统主要结构包括轮毂电机，轮毂电机的壳体与轮毂固定连接，转子与壳体固定连接，电机轴与转向节以过盈配合的方式固定连接，使轮毂电机转动时轮毂随轮毂电机同步转动；轮毂电机和制动系统通过转向节与麦弗逊独立悬架相连接，连接稳定、可靠，连接结构简单；车轮所受到的侧向力大部分通过转向节由悬架下摆臂承受，其余部分由悬架减震器承受，大大减少了滑动摩擦和磨损。The main structure of the wheel hub electric drive system of the electric vehicle matched with the independent suspension in the present invention includes the hub motor, the housing of the hub motor is fixedly connected to the hub, the rotor is fixedly connected to the housing, and the motor shaft and the steering knuckle are in an interference fit manner. Fixed connection, so that the hub rotates synchronously with the hub motor when the hub motor rotates; the hub motor and the braking system are connected with the McPherson independent suspension through the steering knuckle, the connection is stable, reliable, and the connection structure is simple; the lateral force on the wheel Most of it is borne by the suspension lower arm through the steering knuckle, and the rest is borne by the suspension shock absorber, which greatly reduces sliding friction and wear.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without paying creative labor.
图1为本发明与独立悬架匹配的电动汽车轮毂电驱动系统的结构分解示意图；Fig. 1 is the exploded schematic view of the structure of the electric vehicle hub electric drive system matched with the independent suspension of the present invention;
图2为本发明与独立悬架匹配的电动汽车轮毂电驱动系统的结构示意图；Fig. 2 is the structural representation of the electric vehicle hub electric drive system that the present invention matches with independent suspension;
图3为本发明与独立悬架匹配的电动汽车轮毂电驱动系统的结构剖视示意图；Fig. 3 is the schematic sectional view of the structure of the electric vehicle wheel hub electric drive system matched with the independent suspension of the present invention;
图4为本发明与独立悬架匹配的电动汽车轮毂电驱动系统的安装结构示意图。Fig. 4 is a schematic diagram of the installation structure of the electric vehicle hub electric drive system matched with the independent suspension according to the present invention.
附图标记说明：1、轮毂；2、轮毂电机；2-1、主体；2-2、端盖；2-3、电机轴；2-4、第二轴承；2-5、转子；2-6、定子支架；2-7、第一轴承；2-8、旋变转子；2-9、定子；3、制动系统；3-1、制动盘；3-2、制动钳；4、转向节；5、悬架减震器；5-1、减震器连接板；5-2、减震柱；5-3、螺旋弹簧；5-4、U型悬架减震器支架；5-5、第一连接板；5-6、第二连接板；6、悬架下摆臂；7、副车架。Explanation of reference signs: 1. hub; 2. hub motor; 2-1. main body; 2-2. end cover; 2-3. motor shaft; 2-4. second bearing; 2-5. rotor; 2- 6. Stator bracket; 2-7, first bearing; 2-8, resolver rotor; 2-9, stator; 3, brake system; 3-1, brake disc; 3-2, brake caliper; 4 , steering knuckle; 5, suspension shock absorber; 5-1, shock absorber connecting plate; 5-2, shock absorber column; 5-3, coil spring; 5-4, U-shaped suspension shock absorber bracket; 5-5, the first connecting plate; 5-6, the second connecting plate; 6, the lower swing arm of the suspension; 7, the auxiliary frame.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
实施例一：Embodiment one:
如图1所示，本实施例提供与独立悬架匹配的电动汽车轮毂电驱动系统，包括轮毂电机2；所述轮毂电机2与轮毂1同轴固定连接，所述轮毂电机2与悬架减震器5的低端相连接，所述悬架减震器5的高端连接独立悬架；所述轮毂电机2包括电机壳体、转子2-5、定子2-9、旋变转子2-8、电机轴2-3和定子支架2-6，所述定子2-9与定子支架2-6为一体式结构，所述定子支架2-6与所述电机轴2-3固定连接，所述电机轴2-3与所述电机壳体之间设置有第一轴承2-7，所述转子2-5固定设置于所述电机壳体内壁上，所述旋变转子2-8设置于所述转子2-5与所述定子2-9之间，所述电机壳体与所述轮毂1固定连接，所述电机轴2-3与转向节4固定连接。As shown in Figure 1, this embodiment provides an electric vehicle hub electric drive system matched with an independent suspension, including a hub motor 2; The low end of the shock absorber 5 is connected, and the high end of the suspension shock absorber 5 is connected to the independent suspension; the hub motor 2 includes a motor housing, a rotor 2-5, a stator 2-9, a resolver rotor 2- 8. The motor shaft 2-3 and the stator bracket 2-6, the stator 2-9 and the stator bracket 2-6 are of an integrated structure, the stator bracket 2-6 is fixedly connected to the motor shaft 2-3, the A first bearing 2-7 is arranged between the motor shaft 2-3 and the motor housing, the rotor 2-5 is fixedly arranged on the inner wall of the motor housing, and the resolver rotor 2-8 It is arranged between the rotor 2-5 and the stator 2-9, the motor housing is fixedly connected to the hub 1, and the motor shaft 2-3 is fixedly connected to the steering knuckle 4.
电机轴2-3与定子2-9固定不动，转子2-5带动电机壳体转动，电机壳体带动轮毂1转动，从而完成对车辆的驱动；电机轴2-3与转向节4固定连接，转向节4再与悬架下摆臂6及悬架减震器5连接，再通过悬架减震器5与车体的连接以及悬架下摆臂6与副车架7的连接完成转向节4与车体的连接，从而完成轮毂1与车体的连接，即车轮与车体的连接。这种连接方式连接稳定、牢靠，并能够起到较好的减震作用。转向节4的下端通过球头销与悬架下摆臂6相铰接，转向节4能够绕球头销的轴线偏摆。The motor shaft 2-3 and the stator 2-9 are fixed, the rotor 2-5 drives the motor housing to rotate, and the motor housing drives the hub 1 to rotate, thereby completing the driving of the vehicle; the motor shaft 2-3 and the steering knuckle 4 Fixed connection, the steering knuckle 4 is connected with the suspension lower arm 6 and the suspension shock absorber 5, and then the steering is completed through the connection of the suspension shock absorber 5 with the vehicle body and the connection of the suspension lower arm 6 and the sub-frame 7 The joint 4 is connected with the vehicle body, thereby completing the connection between the wheel hub 1 and the vehicle body, that is, the connection between the wheel and the vehicle body. This connection method is stable and reliable, and can play a better role in shock absorption. The lower end of the steering knuckle 4 is hinged with the suspension lower arm 6 through a ball stud, and the steering knuckle 4 can swing around the axis of the ball stud.
于本具体实施例中，如图1和2所示，所述电机壳体包括主体2-1和端盖2-2，所述端盖2-2与所述主体2-1固定连接，所述第一轴承2-7设置于所述电机轴2-3与所述主体2-1之间，所述端盖2-2与所述电机轴2-3之间设置有第二轴承2-4。In this specific embodiment, as shown in Figures 1 and 2, the motor housing includes a main body 2-1 and an end cover 2-2, the end cover 2-2 is fixedly connected to the main body 2-1, The first bearing 2-7 is arranged between the motor shaft 2-3 and the main body 2-1, and the second bearing 2 is arranged between the end cover 2-2 and the motor shaft 2-3 -4.
所述悬架减震器5包括减震柱5-2、螺旋弹簧5-3、U型悬架减震器支架5-4、减震器连接板5-1、第一连接板5-5和第二连接板5-6；所述减震器连接板5-1用于连接车体，所述减震柱5-2设置于所述减震器连接板5-1与所述U型悬架减震器支架5-4之间，所述螺旋弹簧5-3套设于所述减震柱5-2上，所述第一连接板5-5和所述第二连接板5-6均设置于所述U型悬架减震器支架5-4下部侧面；所述第一连接板5-5和所述第二连接板5-6平行设置，所述第一连接板5-5和所述第二连接板5-6均通过第一螺栓与所述转向节4连接，所述第一连接板5-5和所述第二连接板5-6与所述转向节4相连接，所述转向节4与所述悬架下摆臂6相连接，所述悬架下摆臂6与副车架7相连接。减震器连接板5-1与减震柱5-2之间还设置有一定位螺母，用于调整减震器连接板5-1与减震柱5-2之间的相对位置以调整螺旋弹簧5-3的变形量，以调整减震效果。The suspension shock absorber 5 includes a shock absorber column 5-2, a coil spring 5-3, a U-shaped suspension shock absorber bracket 5-4, a shock absorber connecting plate 5-1, and a first connecting plate 5-5 and the second connecting plate 5-6; the shock absorber connecting plate 5-1 is used to connect the vehicle body, and the shock absorber column 5-2 is arranged between the shock absorber connecting plate 5-1 and the U-shaped Between the suspension shock absorber brackets 5-4, the coil spring 5-3 is sleeved on the shock absorber column 5-2, the first connecting plate 5-5 and the second connecting plate 5- 6 are all arranged on the lower side of the U-shaped suspension shock absorber bracket 5-4; the first connecting plate 5-5 and the second connecting plate 5-6 are arranged in parallel, and the first connecting plate 5- 5 and the second connecting plate 5-6 are connected to the steering knuckle 4 through first bolts, and the first connecting plate 5-5 and the second connecting plate 5-6 are connected to the steering knuckle 4 connected, the steering knuckle 4 is connected with the suspension lower arm 6 , and the suspension lower arm 6 is connected with the subframe 7 . A positioning nut is also arranged between the shock absorber connecting plate 5-1 and the shock absorbing column 5-2, which is used to adjust the relative position between the shock absorber connecting plate 5-1 and the shock absorbing column 5-2 to adjust the coil spring 5-3 deformation amount to adjust the shock absorption effect.
本实施例中的与独立悬架匹配的电动汽车轮毂电驱动系统还包括制动系统3，所述制动系统3包括制动盘3-1，所述制动盘3-1与所述电机壳体固定连接。The electric vehicle wheel hub electric drive system matched with the independent suspension in this embodiment also includes a brake system 3, and the brake system 3 includes a brake disc 3-1, and the brake disc 3-1 is connected to the electric drive system. The casing is fixedly connected.
所述制动系统3还包括制动钳3-2，所述制动钳3-2与所述轮毂电机2通过第二螺栓连接，由于没有传动结构，因此，机械效率高，故障率低，可靠性高。The brake system 3 also includes a brake caliper 3-2, the brake caliper 3-2 is connected to the hub motor 2 through a second bolt, and since there is no transmission structure, the mechanical efficiency is high and the failure rate is low. High reliability.
所述轮毂1与所述轮毂电机2通过多个第三螺栓固定连接。轮毂电机2与轮毂1之间通过第三螺栓固定连接，便于轮毂1的拆卸与安装，便于车辆使用时对轮胎及轮毂1的维护及更换工作。The hub 1 is fixedly connected to the hub motor 2 through a plurality of third bolts. The in-wheel motor 2 and the wheel hub 1 are fixedly connected by a third bolt, which facilitates the disassembly and installation of the wheel hub 1, and facilitates the maintenance and replacement of the tires and the wheel hub 1 when the vehicle is in use.
本实施例中的轮毂电机2具有结构简单、轴向尺寸小、转矩控制范围宽、响应速度快且无需减速机等优点，能够显著提高效率，提高能源利用率，进而增加车辆的续航里程；且轮毂电机2结构简单紧凑，没有复杂的传动装置，机械效率高，故障率低，可靠性高。The in-wheel motor 2 in this embodiment has the advantages of simple structure, small axial size, wide torque control range, fast response speed and no need for a reducer, etc., which can significantly improve efficiency, improve energy utilization, and further increase the cruising range of the vehicle; In addition, the in-wheel motor 2 has a simple and compact structure, no complicated transmission device, high mechanical efficiency, low failure rate, and high reliability.
本说明书中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处。综上所述，本说明书内容不应理解为对本发明的限制。In this description, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the method and core idea of the present invention; meanwhile, for those of ordinary skill in the art, according to this The idea of the invention will have changes in the specific implementation and scope of application. In summary, the contents of this specification should not be construed as limiting the present invention.
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