CN106678289A - Brushless x-by-wire two-gear automatic transmission of electric vehicle - Google Patents

Brushless x-by-wire two-gear automatic transmission of electric vehicle Download PDF

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CN106678289A
CN106678289A CN201710014000.0A CN201710014000A CN106678289A CN 106678289 A CN106678289 A CN 106678289A CN 201710014000 A CN201710014000 A CN 201710014000A CN 106678289 A CN106678289 A CN 106678289A
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gear
centrifugal ball
input
spline
grade
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CN106678289B (en
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曲金玉
邵金菊
任传波
张攀
郭政斌
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Shandong University of Technology
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Shandong University of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • F16H3/097Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts the input and output shafts being aligned on the same axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

本发明公开了一种电动汽车无刷线控二档自动变速器。输入齿轮安装在输入轴上,输入齿轮与一档输入齿轮常啮合;一档输入齿轮与一档带侧齿内花键毂固定连接;通过控制一档线控摩擦与啮合传动接合装置和二档无刷线控离心球臂接合装置的接合与分离,实现电动汽车无刷线控二档自动变速器的换档控制。本发明具有传递扭矩大、转速高、接合过程无冲击、换档平顺、运行能耗低等优点。

The invention discloses a brushless wire-controlled second-gear automatic transmission for an electric vehicle. The input gear is installed on the input shaft, and the input gear is constantly meshed with the input gear of the first gear; the input gear of the first gear is fixedly connected with the inner spline hub with side teeth of the first gear; by controlling the friction and meshing transmission engagement device of the first gear and the second gear The engagement and separation of the brushless wire-controlled centrifugal ball arm joint device realizes the shift control of the brushless wire-controlled second-speed automatic transmission of electric vehicles. The invention has the advantages of large transmission torque, high rotational speed, no impact in the joining process, smooth shifting, low energy consumption in operation and the like.

Description

电动汽车无刷线控二档自动变速器Brushless wire-controlled two-speed automatic transmission for electric vehicles

技术领域technical field

本发明属于电动汽车传动技术领域,涉及一种电动汽车自动变速器,更确切的说是一种电动汽车无刷线控二档自动变速器。The invention belongs to the technical field of electric vehicle transmission, and relates to an electric vehicle automatic transmission, more precisely, a brushless wire-controlled second-speed automatic transmission for an electric vehicle.

背景技术Background technique

自动变速器被广泛应用于汽车、电动汽车、工程机械等各种车辆。现有自动变速器主要有液力机械式自动变速器(AT)、金属带式无级自动变速器(CVT)、机械式自动变速器(AMT)、双离合器式自动变速器(DCT)四大类型。上述四类自动变速器的换档过程控制均采用电控液压伺服装置实现,液压伺服装置由液压泵、多个液压阀、多个液压离合器、多个液压制动器等组成,结构复杂、成本高,运行过程能耗高。Automatic transmissions are widely used in various vehicles such as automobiles, electric vehicles, and construction machinery. The existing automatic transmissions mainly include hydromechanical automatic transmission (AT), metal belt continuously variable automatic transmission (CVT), mechanical automatic transmission (AMT) and dual clutch automatic transmission (DCT). The shifting process control of the above four types of automatic transmissions are all realized by electronically controlled hydraulic servo devices. The hydraulic servo devices are composed of hydraulic pumps, multiple hydraulic valves, multiple hydraulic clutches, multiple hydraulic brakes, etc., with complex structures and high costs. Process energy consumption is high.

随着汽车电子技术、自动控制技术和汽车网络通信技术的广泛应用,汽车线控技术已成为汽车未来的发展趋势。汽车线控(X-By-Wire)技术是由电线、电子控制器和线控执行器来代替机械和液压系统,将驾驶员的操纵动作经过传感器变成电信号,输入到电控单元,由电控单元产生控制信号驱动线控执行器进行所需操作。因此,开发新型的线控自动变速器,有利于减少其零部件的数量、降低成本和降低运行能耗,提高传动效率。With the wide application of automotive electronic technology, automatic control technology and automotive network communication technology, automotive wire control technology has become the future development trend of automobiles. The car X-By-Wire technology is to replace the mechanical and hydraulic systems by wires, electronic controllers and wire-controlled actuators, and convert the driver's manipulation actions into electrical signals through sensors, which are input to the electronic control unit, and are controlled by the electronic control unit. The electronic control unit generates control signals to drive the wire-controlled actuators to perform required operations. Therefore, the development of a new type of automatic transmission by wire is conducive to reducing the number of its components, reducing costs and energy consumption, and improving transmission efficiency.

2015年1月21日,中国专利公布了申请号为 CN201410469568.8的多档环形布置式线控自动变速器专利和申请号为CN201410468564.8的双级线控多档自动变速器专利;2015年3月4日,中国专利公布了申请号为CN201410469720.2的电动汽车三档线控自动变速器专利和申请号为CN201410471726.3的电动汽车多档线控自动变速器等专利;2015年10月28日,中国专利公布了申请号为CN201520311494.5的多档线控自动变速器专利。上述公布的各专利中,各档传动齿轮常啮合,无液压换档元件,各档传动路线上分别设置电磁离合器,电控单元控制各档电磁离合器的接合和分离实现线控换档过程。但是,上述各专利技术中,实现线控换档过程所采用的电磁离合器体积大、转速低,且电磁离合器所需要的耗电功率大,因此使线控自动变速器体积大、转速低且运行能耗较大。On January 21, 2015, China Patent announced the patent of multi-speed ring-arranged wire-controlled automatic transmission with application number CN201410469568.8 and the patent of two-stage wire-controlled multi-speed automatic transmission with application number CN201410468564.8; March 2015 On the 4th, China Patent announced the patent of electric vehicle three-speed wire-controlled automatic transmission with application number CN201410469720.2 and the patent of electric vehicle multi-speed wire-controlled automatic transmission with application number CN201410471726.3; October 28, 2015, China The patent announced the patent of multi-speed wire-controlled automatic transmission with application number CN201520311494.5. In the above-mentioned published patents, the transmission gears of each gear are constantly meshing, there is no hydraulic shifting element, electromagnetic clutches are respectively arranged on the transmission lines of each gear, and the electronic control unit controls the engagement and separation of the electromagnetic clutches of each gear to realize the wire-controlled shifting process. However, in the above-mentioned patented technologies, the electromagnetic clutch used to realize the shift-by-wire process is large in size and low in speed, and the power consumption required by the electromagnetic clutch is large, so the automatic transmission by wire has a large volume, low speed and low operating performance. consumes more.

发明内容Contents of the invention

本发明的目的在于克服现有各种自动变速器技术的不足,提供一种既能实现动力换档,又具有结构简单、成本低和运行能耗低的新型电动汽车无刷线控二档自动变速器。The purpose of the present invention is to overcome the deficiencies of various existing automatic transmission technologies, and provide a new type of brushless wire-controlled second-speed automatic transmission for electric vehicles that can realize power shifting and has simple structure, low cost and low energy consumption in operation .

本发明的技术方案如下:Technical scheme of the present invention is as follows:

一种电动汽车无刷线控二档自动变速器,包括输入轴、输出轴、输入齿轮、一档输入齿轮、一档主动齿轮、一档从动齿轮;所述输入齿轮固定安装在输入轴上;所述输入齿轮与一档输入齿轮常啮合;所述一档输入齿轮固定安装在一档输入轴上;所述一档主动齿轮与一档从动齿轮常啮合;所述一档主动齿轮固定安装在一档轴上;所述一档从动齿轮固定安装在输出轴上。A brushless wire-controlled second-gear automatic transmission for an electric vehicle, comprising an input shaft, an output shaft, an input gear, a first-gear input gear, a first-gear driving gear, and a first-gear driven gear; the input gear is fixedly mounted on the input shaft; The input gear is constantly meshed with the first-gear input gear; the first-gear input gear is fixedly installed on the first-gear input shaft; the first-gear driving gear is constantly meshed with the first-gear driven gear; the first-gear driving gear is fixedly installed On the first gear shaft; the first gear driven gear is fixedly installed on the output shaft.

其特征在于:它还包括一档无刷线控摩擦与啮合传动接合装置和二档无刷线控离心球臂接合装置。It is characterized in that it also includes a first-speed brushless wire-controlled friction and meshing transmission joint device and a second-speed brushless wire-controlled centrifugal ball arm joint device.

所述一档无刷线控摩擦与啮合传动接合装置设置在一档输入齿轮和一档主动齿轮之间;所述一档无刷线控摩擦与啮合传动接合装置包括一档带侧齿内花键毂、一档带侧齿花键接合套、一档衔铁、一档花键套、一档电磁铁、一档回位弹簧。The first-gear brushless wire-controlled friction and meshing transmission engaging device is arranged between the first-gear input gear and the first-gear driving gear; the first-gear brushless wire-controlled friction and meshing transmission engaging device includes a first-gear internal flower with side teeth The key hub, the first gear spline joint sleeve with side teeth, the first gear armature, the first gear spline sleeve, the first gear electromagnet, and the first gear return spring.

所述一档带侧齿内花键毂的一端固定连接到一档输入齿轮的一端面,所述一档带侧齿内花键毂的另一端的内侧端面上设有一档带侧齿内花键毂的侧齿;所述一档带侧齿花键接合套通过其内花键槽套装在一档花键套的外花键槽上,所述一档带侧齿花键接合套在其靠近一档带侧齿内花键毂的侧齿的侧端面上设有一档带侧齿花键接合套侧齿。One end of the first-gear internal spline hub with side teeth is fixedly connected to one end face of the first-gear input gear, and the other end of the first-gear internal spline hub with side teeth is provided with a first-gear internal spline hub with side teeth The side teeth of the key hub; the spline engagement sleeve with side teeth of the first gear is sleeved on the outer spline groove of the spline sleeve of the first gear through its inner spline groove, and the spline engagement sleeve with side teeth of the first gear is close to the first gear On the side end surface of the side teeth of the inner spline hub of the gear belt side teeth, there is a gear belt side teeth spline engagement sleeve side teeth.

所述一档花键套通过其内花键槽套装在一档轴的外花键槽上;所述一档花键套在其远离一档输入齿轮的一外端面上固定连接有一档衔铁;所述一档电磁铁通过轴承支撑安装在一档轴上并用非导磁材料固定安装在变速器壳体上,所述一档电磁铁的磁极端面正对一档衔铁远离输入齿轮的一端面,所述一档电磁铁与一档花键套之间设有一档回位弹簧。The first gear spline sleeve is sleeved on the outer spline groove of the first gear shaft through its inner spline groove; the first gear spline sleeve is fixedly connected with a gear armature on an outer end surface far away from the first gear input gear; The first gear electromagnet is installed on the first gear shaft through bearing support and is fixedly installed on the transmission housing with a non-magnetic material. The magnetic end face of the first gear electromagnet is facing the end face of the first gear armature away from the input gear. A first-grade return spring is arranged between the first-grade electromagnet and the first-grade spline sleeve.

所述二档无刷线控离心球臂接合装置设置在输入齿轮和一档从动齿轮之间;所述二档无刷线控离心球臂接合装置包括二档推力压盘、二档从动内花键毂、二档线控驱动盘、二档电磁铁、二档离心球臂空心轮盘、二档离心球臂销、二档离心球臂、二档离心球、二档导磁传力盘、二档离心球窝、二档主动轴。The second-gear brushless wire-controlled centrifugal ball-arm engaging device is arranged between the input gear and the first-gear driven gear; the second-gear brushless wire-controlled centrifugal ball-arm engaging device includes a second-gear thrust pressure plate, a second-gear driven Inner spline hub, second-gear wire-controlled drive plate, second-gear electromagnet, second-gear centrifugal ball arm hollow wheel, second-gear centrifugal ball arm pin, second-gear centrifugal ball arm, second-gear centrifugal ball, second-gear magnetic transmission force Disc, second gear centrifugal ball socket, second gear driving shaft.

所述二档主动轴的一端固定连接在输入轴的一端,所述二档离心球臂空心轮盘通过轴承支撑安装在二档主动轴的中间轴颈上,所述二档离心球臂空心轮盘在其靠近输入齿轮一端的外圆周面上设有二档离心球臂空心轮盘外花键槽,所述二档线控驱动盘通过其内花键槽套装在二档离心球臂空心轮盘外花键槽上;所述二档离心球臂空心轮盘的远离输入齿轮的另一端设有多个沿周向均匀分布的二档离心球臂支座,所述每个二档离心球臂支座上固定安装一个二档离心球臂销;所述二档离心球臂的一端通过其光滑承孔套装在二档离心球臂销的中间轴颈上,所述二档离心球臂的另一端可绕二档离心球臂销自由转动,所述二档离心球臂的另一端设有一个二档离心球窝,所述每个二档离心球窝内安装有一个二档离心球,所述每个二档离心球在二档离心球窝内可自由滚动。One end of the second-gear drive shaft is fixedly connected to one end of the input shaft, and the second-gear centrifugal ball-arm hollow wheel is mounted on the middle journal of the second-gear drive shaft through bearing support, and the second-gear centrifugal ball-arm hollow wheel The disk is provided with a second-speed centrifugal ball-arm hollow wheel outer spline groove on the outer peripheral surface of the end close to the input gear, and the second-speed wire-controlled drive disk is sleeved outside the second-speed centrifugal ball arm hollow wheel through its inner spline groove. On the spline groove; the other end of the second-gear centrifugal ball arm hollow wheel disc away from the input gear is provided with a plurality of second-gear centrifugal ball arm supports evenly distributed along the circumferential direction, and each second-gear centrifugal ball arm support A second-grade centrifugal ball arm pin is fixedly installed on the top; one end of the second-grade centrifugal ball arm is sleeved on the intermediate journal of the second-grade centrifugal ball arm pin through its smooth bearing hole, and the other end of the second-grade centrifugal ball arm can be Rotate freely around the pin of the second-grade centrifugal ball arm. The other end of the second-grade centrifugal ball arm is provided with a second-grade centrifugal ball socket. A second-grade centrifugal ball is installed in each second-grade centrifugal ball socket. A second-grade centrifugal ball can roll freely in the second-grade centrifugal ball socket.

所述二档推力压盘的一端面为二档光滑面;所述每个二档离心球抵靠在二档推力压盘的二档光滑面上;所述二档推力压盘的外圆周面上还设有外花键槽,所述二档推力压盘的外花键槽与二档从动内花键毂的内花键槽二者轴向滑动接合;所述二档从动内花键毂的远离输入齿轮的一端面与一档从动齿轮固定连接。One end surface of the second-stage thrust platen is a second-stage smooth surface; each of the second-stage centrifugal balls abuts against the second-stage smooth surface of the second-stage thrust platen; the outer circumferential surface of the second-stage thrust platen is An external spline groove is also provided on the upper part, and the external spline groove of the second gear thrust pressure plate is axially slidably engaged with the inner spline groove of the second gear driven inner spline hub; One end face away from the input gear is fixedly connected with the first gear driven gear.

所述二档导磁传力盘通过二档导磁传力盘中心内毂承孔固定安装在二档主动轴的轴颈上,所述二档导磁传力盘还设有二档导磁传力盘外盘,所述二档导磁传力盘外盘与输入齿轮之间设有二档电磁铁,所述二档电磁铁用非导磁材料固定安装在变速器壳体上,所述二档电磁铁的磁极端面正对二档导磁传力盘外盘的一端面,所述二档导磁传力盘外盘的一端面与二档电磁铁的磁极端面始终保持一定的空气隙。The second-gear magnetic transmission disk is fixedly installed on the journal of the second-speed driving shaft through the inner hub bearing hole in the center of the second-speed magnetic transmission disk, and the second-speed magnetic transmission disk is also provided with a second-speed magnetic transmission. The outer disc of the power transmission disc, the second gear electromagnet is arranged between the second gear magnetic conduction power transmission disc outer disc and the input gear, the second gear electromagnet is fixedly installed on the transmission housing with a non-magnetic material, the second gear The magnetic end face of the electromagnet faces an end face of the outer disc of the second gear magnetic conduction force transmission disc, and a certain air gap is always maintained between the end face of the second gear magnetic conduction force transfer disc outer disc and the magnetic end face of the second gear electromagnet.

所述二档线控驱动盘的靠近输入齿轮的一端面还设有二档摩擦驱动端面,所述二档摩擦驱动端面正对二档导磁传力盘外盘的另一个端面。The end face of the second-gear drive-by-wire drive disc close to the input gear is also provided with a second-gear friction drive end face, and the second-gear friction drive end face faces the other end face of the second-gear magnetic transmission disc outer disc.

本发明与现有技术相比,其优点是:Compared with the prior art, the present invention has the advantages of:

(1)本发明的电动汽车无刷线控二档自动变速器取消了传统自动变速器的液压系统和换档机构,采用了带无刷线控离心球臂接合装置,由电控单元采用线控方式控制二档无刷离心球臂接合装置的电磁线圈的电流的通断实现换档,结构简单,成本低,且运行过程的能耗低;(1) The brushless wire-controlled second-speed automatic transmission for electric vehicles of the present invention cancels the hydraulic system and shifting mechanism of the traditional automatic transmission, and adopts a brushless wire-controlled centrifugal ball arm joint device, and the electronic control unit adopts wire-controlled mode Controlling the current on and off of the electromagnetic coil of the second-speed brushless centrifugal ball arm joint device realizes gear shifting, with simple structure, low cost, and low energy consumption during operation;

(2)本发明所采用的一档无刷线控摩擦与啮合传动接合装置通过带侧齿内花键毂与带侧齿花键接合套啮合传动将带侧齿内花键毂输入的扭矩传递至一档轴,低速运行传递扭矩大、传动效率高;(2) The first-speed brushless wire-controlled friction and meshing transmission joint device adopted in the present invention transmits the torque input from the internal spline hub with side teeth through the meshing transmission between the internal spline hub with side teeth and the spline engagement sleeve with side teeth To the first gear shaft, the transmission torque is large and the transmission efficiency is high at low speed;

(3)本发明所采用的二档无刷线控离心球臂接合装置,利用高速运行时其二档离心球臂产生的巨大离心力推动摩擦片与钢片的摩擦接合,传递扭矩大、转速高,接合过程无冲击,换档平顺。(3) The second-gear brushless wire-controlled centrifugal ball arm joint device used in the present invention uses the huge centrifugal force generated by the second-gear centrifugal ball arm during high-speed operation to promote the frictional engagement between the friction plate and the steel plate, with large transmission torque and high speed , There is no impact during the engagement process, and the shifting is smooth.

附图说明Description of drawings

图1是本发明实施例的电动汽车无刷线控二档自动变速器的结构示意图。FIG. 1 is a schematic structural view of a brushless wire-controlled two-speed automatic transmission for an electric vehicle according to an embodiment of the present invention.

图中:1.输入轴 2.输出轴 3.一档输入轴 4.一档轴 5.输入齿轮 6.一档输入齿轮 7.一档主动齿轮 8.一档从动齿轮 10.一档线控摩擦与啮合传动接合装置 10a.一档带侧齿内花键毂 10a1.一档带侧齿内花键毂的侧齿 10b.一档带外花键槽摩擦片 10c.一档带内花键槽钢片 10d.一档带侧齿花键接合套 10d1.一档带侧齿花键接合套侧齿 10e.一档衔铁 10f.一档花键套 10g.一档电磁铁 10i.一档回位弹簧 10j.一档啮合弹簧 20.二档线控离心球臂接合装置 20a.二档带内花键槽摩擦片 20b.二档带外花键槽钢片 20c.二档推力压盘 20ca.二档光滑面 20d.二档从动内花键毂 20e.二档从动内花键毂端盖 20f.二档止动盘 20g.二档线控驱动盘 20ga.二档摩擦驱动端面 20h.二档电磁铁 20i.二档预压弹簧 20j.二档离心球臂空心轮盘 20ja.二档离心球臂空心轮盘外花键槽 20k.二档离心球臂销 20l.二档离心球臂 20m.二档离心球 20p.二档离心球臂回位弹簧 20q.二档导磁传力盘 20qa.二档导磁传力盘中心内毂 20qb.二档导磁传力盘外盘 20r.二档离心球窝20Z.二档主动轴。In the figure: 1. Input shaft 2. Output shaft 3. First gear input shaft 4. First gear shaft 5. Input gear 6. First gear input gear 7. First gear driving gear 8. First gear driven gear 10. First gear line Friction control and meshing transmission engagement device 10a. First gear with inner spline hub with side teeth 10a1. First gear with side teeth of inner spline hub with side teeth 10b. First gear with outer spline groove friction plate 10c. First gear with inner spline groove Steel sheet 10d. First gear with side teeth spline joint sleeve 10d1. First gear with side teeth spline joint sleeve side teeth 10e. First gear armature 10f. First gear spline sleeve 10g. First gear electromagnet 10i. First gear return Spring 10j. First gear meshing spring 20. Second gear wire-controlled centrifugal ball arm joint device 20a. Second gear friction plate with inner spline groove 20b. Second gear steel plate with outer spline groove 20c. Second gear thrust pressure plate 20ca. Second gear smooth Surface 20d. Second gear driven inner spline hub 20e. Second gear driven inner spline hub end cover 20f. Second gear stop disc 20g. Second gear wire control drive disc 20ga. Second gear friction drive end surface 20h. Second gear electromagnetic Iron 20i. Second gear preload spring 20j. Second gear centrifugal ball arm hollow wheel disc 20ja. Second gear centrifugal ball arm hollow wheel disc outer spline groove 20k. Second gear centrifugal ball arm pin 20l. Second gear centrifugal ball arm 20m. Second gear Centrifugal ball 20p. Second gear centrifugal ball arm return spring 20q. Second gear magnetic transmission disc 20qa. Second gear magnetic transmission disc center inner hub 20qb. Second gear magnetic transmission disc outer disc 20r. Second gear centrifugal ball socket 20Z. Second gear driving shaft.

具体实施方式detailed description

下面结合本发明实施例中的附图,对本发明实施例中技术方案进行详细的描述,显然,所描述的实施例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。Below in conjunction with the drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention are described in detail. Obviously, the described embodiments are only part of the embodiments of the present invention, not all embodiments; based on the present invention Embodiments, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

如图1所示,本发明的一种电动汽车无刷线控二档自动变速器,包括输入轴1、输入齿轮5、一档输入齿轮6、一档主动齿轮7、一档从动齿轮8、一档线控摩擦与啮合传动接合装置10、二档线控离心球臂接合装置20;输入齿轮5固定安装在输入轴1上;输入齿轮5与一档输入齿轮6常啮合;一档输入齿轮6固定安装在一档输入轴3上;一档主动齿轮7与一档从动齿轮8常啮合;一档主动齿轮7固定安装在一档轴4上;一档从动齿轮8固定安装在输出轴2上。As shown in Fig. 1, a kind of brushless wire-controlled second-gear automatic transmission for electric vehicles of the present invention comprises an input shaft 1, an input gear 5, a first-gear input gear 6, a first-gear driving gear 7, a first-gear driven gear 8, The first-speed wire-controlled friction and meshing transmission joint device 10, the second-speed wire-controlled centrifugal ball arm joint device 20; the input gear 5 is fixedly installed on the input shaft 1; the input gear 5 is constantly meshed with the first-speed input gear 6; the first-speed input gear 6 is fixedly installed on the first gear input shaft 3; the first gear driving gear 7 is in constant mesh with the first gear driven gear 8; the first gear driving gear 7 is fixedly installed on the first gear shaft 4; the first gear driven gear 8 is fixedly installed on the output on axis 2.

一档无刷线控摩擦与啮合传动接合装置10设置在一档输入齿轮6和一档主动齿轮7之间;一档无刷线控摩擦与啮合传动接合装置10包括一档带侧齿内花键毂10a、一档带外花键槽摩擦片10b、一档带内花键槽钢片10c、一档带侧齿花键接合套10d、一档衔铁10e、一档花键套10f、一档电磁铁10g、一档回位弹簧10i、一档啮合弹簧10j。The first-gear brushless wire-controlled friction and meshing transmission engagement device 10 is arranged between the first-gear input gear 6 and the first-gear driving gear 7; Key hub 10a, first gear with external spline groove friction plate 10b, first gear with inner spline groove steel plate 10c, first gear with side tooth spline joint sleeve 10d, first gear armature 10e, first gear spline sleeve 10f, first gear electromagnetic Iron 10g, first gear return spring 10i, first gear engagement spring 10j.

一档带侧齿内花键毂10a的一端固定连接到一档输入齿轮6的一端面,一档带侧齿内花键毂10a的另一端的内侧端面上设有一档带侧齿内花键毂的侧齿10a1;一档带外花键槽摩擦片10b通过其外花键槽套装在一档带侧齿内花键毂10a的内花键槽上;一档带内花键槽钢片10c通过其内花键槽套装在一档花键套10f的外花键槽上;一档带侧齿花键接合套10d通过其内花键槽套装在一档花键套10f的外花键槽上,一档带侧齿花键接合套10d在其靠近一档带侧齿内花键毂的侧齿10a1的侧端面上设有一档带侧齿花键接合套侧齿10d1。One end of the first-gear internal spline hub 10a with side teeth is fixedly connected to one end surface of the first-gear input gear 6, and the inner end surface of the other end of the first-gear internal spline hub 10a with side teeth is provided with a first-gear internal spline with side teeth The side teeth 10a1 of the hub; the friction plate 10b with the outer spline groove of the first gear is set on the inner spline groove of the inner spline hub 10a of the first gear with side teeth through the outer spline groove; the steel plate 10c of the first gear with the inner spline groove passes through the inner spline groove The spline groove is set on the outer spline groove of the spline sleeve 10f of the first gear; the spline engaging sleeve 10d of the first gear with side teeth is set on the outer spline groove of the spline sleeve 10f of the first gear through its inner spline groove; The splined sleeve 10d is provided with a side tooth 10d1 of the first-gear side tooth spline sleeve on its side end surface close to the side teeth 10a1 of the first-gear side tooth inner spline hub.

一档花键套10f通过其内花键槽套装在一档轴4的外花键槽上;一档花键套10f在其远离一档输入齿轮6的一外端面上固定连接有一档衔铁10e;一档电磁铁10g通过轴承支撑安装在一档轴4上并用非导磁材料固定安装在变速器壳体上,使一档电磁铁10g的磁极端面正对一档衔铁10e远离输入齿轮6的一端面,一档电磁铁10g与一档花键套10f之间设有一档回位弹簧10i。The first gear spline sleeve 10f is set on the outer spline groove of the first gear shaft 4 through its inner spline groove; the first gear spline sleeve 10f is fixedly connected with a gear armature 10e on an outer end surface far away from the first gear input gear 6; The gear electromagnet 10g is installed on the first gear shaft 4 through bearing support and is fixedly installed on the transmission housing with a non-magnetic material, so that the magnetic end face of the first gear electromagnet 10g faces the first gear armature 10e away from the end face of the input gear 6 , There is a first-grade return spring 10i between the first-grade electromagnet 10g and the first-grade spline sleeve 10f.

在一档电磁铁10g不通电的状态下,一档衔铁10e远离一档输入齿轮6的一端面与一档电磁铁10g的磁极端面,在一档回位弹簧10i的弹力作用下保持一定的空气隙。When the first-gear electromagnet 10g is not powered, the first-gear armature 10e is far away from the end face of the first-gear input gear 6 and the magnetic end face of the first-gear electromagnet 10g, and maintains a certain distance under the elastic force of the first-gear return spring 10i. air gap.

二档无刷线控离心球臂接合装置20设置在输入齿轮5和一档从动齿轮8之间;二档无刷线控离心球臂接合装置20包括二档带内花键槽摩擦片20a、二档带外花键槽钢片20b、二档推力压盘20c、二档从动内花键毂20d、二档从动内花键毂端盖20e、二档止动盘20f、二档线控驱动盘20g、二档电磁铁20h、二档预压弹簧20i、二档离心球臂空心轮盘20j、二档离心球臂销20k、二档离心球臂销20l、二档离心球20m、二档离心摇臂回位弹簧20p、二档导磁传力盘20q、二档离心球窝20r、二档主动轴20Z。The second-gear brushless wire-controlled centrifugal ball arm joint device 20 is arranged between the input gear 5 and the first-gear driven gear 8; the second-gear brushless wire-controlled centrifugal ball-arm joint device 20 includes the second gear with internal spline groove friction plate 20a, 2nd gear with outer spline channel steel sheet 20b, 2nd gear thrust pressure plate 20c, 2nd gear driven inner spline hub 20d, 2nd gear driven inner spline hub end cover 20e, 2nd gear stop disc 20f, 2nd gear wire control Drive plate 20g, second-gear electromagnet 20h, second-gear preload spring 20i, second-gear centrifugal ball arm hollow wheel disc 20j, second-gear centrifugal ball arm pin 20k, second-gear centrifugal ball arm pin 20l, second-gear centrifugal ball 20m, second gear Gear centrifugal rocker return spring 20p, second gear magnetic conduction force transmission plate 20q, second gear centrifugal ball socket 20r, second gear driving shaft 20Z.

如图1所示,二档带内花键槽摩擦片20a通过其内花键槽套装二档主动轴20Z上的外花键槽上;二档主动轴20Z的一端通过花键与输入轴1固定连接,另一端通过轴承与输出轴2的前部轴颈连接;二档带外花键槽钢片20b通过外花键槽套装在二档内花键毂20d的内花键槽上;二档离心球臂空心轮盘20j通过轴承支撑安装在二档主动轴20Z的中间轴颈上,二档离心球臂空心轮盘20j在其靠近输入齿轮5一端的外圆周面上设有二档离心球臂空心轮盘外花键槽20ja,二档线控驱动盘20g通过其内花键槽套装在二档离心球臂空心轮盘外花键槽20ja上;二档止动盘20f用非导磁材料固定在变速器壳体上;二档离心球臂空心轮盘20j的远离输入齿轮5的另一端设有多个沿周向均匀分布的二档离心球臂支座,在每个二档离心球臂支座上固定安装一个二档离心球臂销20k;二档离心球臂20l的一端通过其光滑承孔套装在二档离心球臂销20k的中间轴颈上,二档离心球臂20l可绕二档离心球臂销20k自由转动,二档离心球臂20l的另一端设有一个二档离心球窝20r,每个二档离心球窝20r内安装有一个二档离心球20m,每个二档离心球20m在二档离心球窝20r内可自由滚动。As shown in Fig. 1, the second-speed friction plate 20a with an inner spline groove fits on the outer spline groove on the second-speed driving shaft 20Z through its inner spline groove; one end of the second-speed driving shaft 20Z is fixedly connected to the input shaft 1 through a spline, The other end is connected to the front journal of the output shaft 2 through a bearing; the steel sheet 20b with the outer spline groove of the second gear is set on the inner spline groove of the inner spline hub 20d of the second gear through the outer spline groove; the centrifugal ball arm hollow wheel of the second gear The disk 20j is installed on the intermediate journal of the second-speed driving shaft 20Z through bearing support, and the second-speed centrifugal ball-arm hollow wheel disk 20j is provided with a second-speed centrifugal ball-arm hollow wheel disk on the outer circumferential surface near the end of the input gear 5. The spline groove 20ja, the second gear by-wire drive disc 20g is set on the outer spline groove 20ja of the second gear centrifugal ball arm hollow wheel disc through its inner spline groove; the second gear stop disc 20f is fixed on the transmission housing with a non-magnetic material; The other end of the second gear centrifugal ball arm hollow disc 20j away from the input gear 5 is provided with a plurality of second gear centrifugal ball arm bearings evenly distributed along the circumferential direction, and a second gear centrifugal ball arm bearing is fixedly installed on each second gear centrifugal ball arm bearing. The first gear centrifugal ball arm pin 20k; one end of the second gear centrifugal ball arm 20l is set on the intermediate journal of the second gear centrifugal ball arm pin 20k through its smooth bearing hole, and the second gear centrifugal ball arm 20l can be wound around the second gear centrifugal ball arm pin 20k Free rotation, the other end of the second-grade centrifugal ball arm 20l is provided with a second-grade centrifugal ball socket 20r, and a second-grade centrifugal ball 20m is installed in each second-grade centrifugal ball socket 20r, and each second-grade centrifugal ball 20m is in the second-grade The centrifugal ball socket 20r can roll freely.

二档推力压盘20c的一端面为二档光滑面20ca;二档推力压盘20c的另一端面为粗糙摩擦面;每个二档离心球20m抵靠在二档推力压盘20c的二档光滑面20ca上;二档推力压盘20c的外圆周面上还设有外花键槽,二档推力压盘20c的外花键槽与二档从动内花键毂20d的内花键槽二者轴向滑动接合;二档从动内花键毂20d靠近输入齿轮5的一端通过螺栓固定连接二档从动内花键毂端盖20e,远离输入齿轮5的一端与一档从动齿轮8固定连接。One end face of the second gear thrust pressure plate 20c is the second gear smooth surface 20ca; the other end surface of the second gear thrust pressure plate 20c is a rough friction surface; each second gear centrifugal ball 20m leans against the second gear of the second gear thrust pressure plate 20c On the smooth surface 20ca; the outer peripheral surface of the second gear thrust pressure plate 20c is also provided with an external spline groove, the outer spline groove of the second gear thrust pressure plate 20c and the inner spline groove of the second gear driven inner spline hub 20d One end of the second-speed driven inner spline hub 20d close to the input gear 5 is fixedly connected to the end cover 20e of the second-speed driven inner spline hub 20e by bolts, and the end away from the input gear 5 is fixedly connected to the first-speed driven gear 8 .

二档导磁传力盘20q通过二档导磁传力盘中心内毂20qa承孔固定安装在二档主动轴20Z的轴颈上,二档导磁传力盘20q还设有二档导磁传力盘外盘20qb,二档导磁传力盘外盘20qb与输入齿轮5之间设有二档电磁铁20h,二档电磁铁20h用非导磁材料固定安装在变速器壳体上,二档电磁铁20h的磁极端面正对二档导磁传力盘外盘20qb的一端面,二档导磁传力盘外盘20qb的一端面与二档电磁铁20h的磁极端面始终保持一定的空气隙。The second gear magnetic transmission plate 20q is fixedly installed on the journal of the second gear driving shaft 20Z through the inner hub 20qa bearing hole of the second gear magnetic transmission disc center, and the second gear magnetic transmission power plate 20q is also provided with a second gear magnetic transmission The second-gear electromagnet 20h is arranged between the second-gear magnetic conduction power-transfer outer disc 20qb and the input gear 5. The second-gear electromagnet 20h is fixedly installed on the transmission case with non-magnetic materials. The second-gear electromagnetic The magnetic end face of iron 20h faces an end face of the second gear magnetic conduction force transmission disc outer disc 20qb, and an end face of the second gear magnetic conduction force transfer disc outer disc 20qb keeps a certain air gap with the magnetic end face of the second gear electromagnet 20h all the time.

二档线控驱动盘20g的靠近输入齿轮5的一端面还设有二档摩擦驱动端面20ga,二档摩擦驱动端面20ga正对二档导磁传力盘外盘20qb的另一个端面。The end face of the second gear by-wire drive disc 20g close to the input gear 5 is also provided with a second gear friction drive end face 20ga, and the second gear friction drive end face 20ga is facing the other end face of the second gear magnetic transmission disc outer disc 20qb.

在二档电磁铁20h不通电的状态下,二档摩擦驱动端面20ga与二档导磁传力盘外盘20qb的一端面在二档预压弹簧20i的弹力作用下保持一定的空气隙;在二档电磁铁20h通电的状态下,二档摩擦驱动端面20ga与二档导磁传力盘外盘20qb的一端面接合在一起。In the state where the second gear electromagnet 20h is not energized, a certain air gap is maintained between the second gear friction drive end face 20ga and the second gear magnetic conduction force transmission disc outer disc 20qb under the elastic force of the second gear preload spring 20i; When the gear electromagnet 20h is energized, the friction driving end surface 20ga of the second gear is joined with one end surface of the outer disc 20qb of the second gear magnetic transmission disc.

下面结合实施例进一步说明电动汽车无刷线控二档自动变速器的工作原理的工作原理:The working principle of the working principle of the brushless wire-controlled second-gear automatic transmission for electric vehicles is further described below in conjunction with the embodiments:

一档传动时,一档电磁铁10g的电磁线圈通电,一档无刷线控摩擦与啮合传动接合装置10工作,同时,二档电磁铁20h的电磁线圈断电;一档电磁铁10g产生的电磁力吸引一档衔铁10e带动一档花键套10f克服一档回位弹簧10i的弹力作用向一档主动齿轮7方向移动,一档花键套10f带动一档带内花键钢片10c与一档带外花键槽摩擦片10b接合,二者接合产生的摩擦力使一档带侧齿内花键毂10a与一档花键套10f的转速同步,二者转速同步以后,一档啮合弹簧10j进一步推动一档带侧齿花键接合套10d靠近一档带侧齿内花键毂10a的一端面,使一档带侧齿内花键毂的侧齿10a1与一档带侧齿花键接合套侧齿10d1啮合,使一档带侧齿内花键毂10a与一档花键套10f同步旋转,一档花键套10f通过其内花键驱动一档轴4同步传动,从而实现一档传动;During the first gear transmission, the electromagnetic coil of the first gear electromagnet 10g is energized, the first gear brushless wire-controlled friction and meshing transmission joint device 10 works, and at the same time, the electromagnetic coil of the second gear electromagnet 20h is powered off; the first gear electromagnet 10g produces The electromagnetic force attracts the first gear armature 10e to drive the first gear spline sleeve 10f to overcome the elastic force of the first gear return spring 10i to move in the direction of the first gear driving gear 7, and the first gear spline sleeve 10f drives the first gear with internal spline steel sheet 10c to The friction plate 10b with the outer spline groove of the first gear is engaged, and the friction force generated by the engagement of the two makes the rotation speed of the inner spline hub 10a with side teeth of the first gear and the spline sleeve 10f of the first gear synchronized. After the two speeds are synchronized, the engagement spring of the first gear 10j further pushes the first gear with side teeth spline engagement sleeve 10d close to one end surface of the first gear with side teeth inner spline hub 10a, so that the side teeth 10a1 of the first gear inner spline hub with side teeth and the first gear with side teeth spline The side teeth 10d1 of the adapter sleeve are meshed, so that the internal spline hub 10a with side teeth of the first gear and the spline sleeve 10f of the first gear rotate synchronously, and the spline sleeve 10f of the first gear drives the shaft 4 of the first gear through its internal splines for synchronous transmission, thereby realizing a Gear transmission;

在二档电磁铁20h的电磁线圈断电后,在二档预压弹簧20i的弹力作用下,使二档线控驱动盘20g与二档止动盘20f接合,二档止动盘20f固定在壳体上固定不动,因此二档线控驱动盘20g与二档止动盘20f接合后二者之间的摩擦力使二档线控驱动盘20g连同二档离心球臂空心轮盘20j的转速为零,在二档线控二档离心球臂回位弹簧20p的扭转作用下,使二档离心球臂20l连同二档离心球20m向内收拢,这样二档线控摇臂接合装置20不传递动力。After the electromagnetic coil of the second-gear electromagnet 20h is powered off, under the elastic force of the second-gear preload spring 20i, the second-gear wire-controlled drive disc 20g is engaged with the second-gear stop disc 20f, and the second-gear stop disc 20f is fixed on the The casing is fixed, so the friction force between the second gear by-wire drive disc 20g and the second gear stopper disc 20f makes the second gear by-wire drive disc 20g together with the second gear centrifugal ball arm hollow wheel disc 20j The rotation speed is zero, and under the twisting action of the return spring 20p of the second-gear centrifugal ball arm of the second-gear wire control, the second-gear centrifugal ball arm 20l and the second-gear centrifugal ball 20m are retracted inwardly, so that the second-gear wire-controlled rocker arm joint device 20 Does not transmit power.

二档传动时,二档电磁铁20h的电磁线圈通电,二档无刷线控离心球臂接合装置20工作,同时,一档电磁铁10g的电磁线圈断电;在二档电磁铁20h的电磁线圈通电后,二档电磁铁20h产生的电磁吸力经二档导磁传力盘20q传递给二档线控驱动盘20g,使二档线控驱动盘20g克服二档预压弹簧20i的弹力作用向二档电磁铁20h方向移动,从而使二档线控驱动盘20g的二档摩擦驱动端面20ga与二档导磁传力盘20q的一端面接合,在二者接合产生的摩擦力的作用下带动二档离心球臂空心轮盘20j旋转,二档离心球臂空心轮盘20j带动各二档离心球臂20l旋转,同时,在离心力的作用下,各二档离心球臂20l绕二档离心球臂销20k向外张开,使设有二档离心球窝20r的一端带动二档离心球20m沿二档推力压盘20c的二档光滑面20ca向外作圆周运动,从而使二档离心球臂20l连同二档离心球20m产生离心力,该离心力沿二档离心球臂空心轮盘20j的中心轴方向的分力推动二档推力压盘20c产生远离二档离心球臂空心轮盘20j的轴向移动,从而使二档推力压盘20c将各二档带外花键槽钢片20b与各二档带内花键槽摩擦片20a相互压紧,依靠各二档带外花键槽钢片20b与各二档带内花键槽摩擦片20a之间的摩擦力实现二档从动内花键毂20d连同二档主动轴20Z同步旋转,使二档主动轴20Z与输出轴2的同步旋转,从而实现二档传动;During the second gear transmission, the electromagnetic coil of the second gear electromagnet 20h is energized, and the second gear brushless wire-controlled centrifugal ball arm joint device 20 works. At the same time, the electromagnetic coil of the first gear electromagnet 10g is powered off; After the coil is energized, the electromagnetic attraction generated by the second-gear electromagnet 20h is transmitted to the second-gear wire-controlled drive plate 20g through the second-gear magnetic transmission plate 20q, so that the second-gear wire-controlled drive plate 20g overcomes the elastic force of the second-gear preload spring 20i Move toward the direction of the second-gear electromagnet 20h, so that the second-gear friction drive end surface 20ga of the second-gear wire-controlled drive disc 20g is engaged with one end face of the second-gear magnetic transmission disc 20q, under the action of the friction force generated by the engagement of the two Drive the second gear centrifugal ball arm hollow wheel 20j to rotate, the second gear centrifugal ball arm hollow wheel 20j drives each second gear centrifugal ball arm 20l to rotate, and at the same time, under the action of centrifugal force, each second gear centrifugal ball arm 20l rotates around the second gear centrifugal The ball arm pin 20k is opened outwards, so that one end provided with the second-grade centrifugal ball socket 20r drives the second-grade centrifugal ball 20m to make a circular motion outward along the second-grade smooth surface 20ca of the second-grade thrust pressure plate 20c, so that the second-grade centrifugal The ball arm 20l and the second gear centrifugal ball 20m generate centrifugal force, and the centrifugal force pushes the second gear thrust pressure plate 20c along the direction of the central axis of the second gear centrifugal ball arm hollow wheel disc 20j to generate a distance away from the second gear centrifugal ball arm hollow wheel disc 20j. Axial movement, so that the second gear thrust pressure plate 20c presses each second gear with outer spline groove steel sheet 20b and each second gear with inner spline groove friction plate 20a, relying on each second gear with outer spline groove steel sheet 20b and each second gear with outer spline groove steel sheet 20b and The frictional force between the friction plates 20a of the inner spline grooves of each second gear realizes the synchronous rotation of the second gear driven inner spline hub 20d together with the second gear drive shaft 20Z, so that the second gear drive shaft 20Z and the output shaft 2 rotate synchronously, thereby realizing second gear transmission;

在一档电磁铁10g的电磁线圈断电后,一档花键套10f连同一档衔铁10e在一档回位弹簧10i的弹力作用下带动一档带内花键钢片10c与一档带外花键槽摩擦片10b二者分离,一档带侧齿内花键毂的侧齿10a1与一档带侧齿花键接合套侧齿10d1脱离啮合,使一档线控摩擦与啮合传动接合装置10不传递动力。After the electromagnetic coil of the first gear electromagnet 10g is powered off, the first gear spline sleeve 10f together with the first gear armature 10e drives the first gear inner spline steel sheet 10c and the first gear outer belt under the elastic force of the first gear return spring 10i. The spline groove friction plate 10b is separated from the two, and the side teeth 10a1 of the inner spline hub with side teeth of the first gear are disengaged from the side teeth 10d1 of the spline coupling sleeve of the first gear with side teeth, so that the friction and meshing transmission joint device 10 of the first gear is controlled by wire. Does not transmit power.

二档电磁铁20h被固定在壳体上,二档电磁铁20h与二档导磁传力盘20q始终保持固定的空气隙,因此上述二档传动过程可实现无刷线控传动。同时,由于二档电磁铁20h的电磁线圈通电后所产生的电磁力经二档导磁传力盘20q、二档线控驱动盘20g只控制驱动二档离心球臂空心轮盘20j转动,二档电磁铁20h耗电功率小,因此降低了二档无刷线控离心球臂接合装置20的运行能耗。The second-gear electromagnet 20h is fixed on the housing, and the second-gear electromagnet 20h and the second-gear magnetic transmission disk 20q always maintain a fixed air gap, so the above-mentioned second-gear transmission process can realize brushless wire-controlled transmission. Simultaneously, because the electromagnetic force produced after the electromagnetic coil of the second gear electromagnet 20h is energized is only controlled to drive the second gear centrifugal ball arm hollow wheel disc 20j to rotate through the second gear magnetic conduction force transmission disc 20q and the second gear wire-controlled drive disc 20g. The power consumption of the gear electromagnet 20h is small, so the operating energy consumption of the second gear brushless wire-controlled centrifugal ball arm joint device 20 is reduced.

一档的传动路线为:一档无刷线控摩擦与啮合传动接合装置10通电接合,电动机的扭矩通过输入轴1传递给输入齿轮5,输入齿轮5将该扭矩进一步传递给一档输入齿轮6,再通过接合的一档无刷线控摩擦与啮合传动接合装置10传递给一档轴4,再由一档主动齿轮7和一档从动齿轮8的啮合将动力传递至输出轴2,实现一档减速传动。The transmission route of the first gear is as follows: the brushless wire-controlled friction of the first gear is electrically engaged with the meshing transmission joint device 10, the torque of the motor is transmitted to the input gear 5 through the input shaft 1, and the input gear 5 further transmits the torque to the first gear input gear 6 , and then transmitted to the first gear shaft 4 through the engaged first gear brushless wire-controlled friction and meshing transmission joint device 10, and then the power is transmitted to the output shaft 2 by the meshing of the first gear driving gear 7 and the first gear driven gear 8 to realize First gear reduction transmission.

二档的传动路线为:二档无刷线控离心球臂接合装置20通电接合,电动机的扭矩通过输入轴1传递给二档主动轴20Z,通过接合的二档无刷线控离心球臂接合装置20将动力传递至一档从动齿轮8,再通过输出轴2向外输出动力,实现二档传动。The transmission route of the second gear is: the second gear brushless wire-controlled centrifugal ball arm joint device 20 is energized and engaged, the torque of the motor is transmitted to the second gear driving shaft 20Z through the input shaft 1, and the second gear brushless wire-controlled centrifugal ball arm engaged The device 20 transmits the power to the driven gear 8 of the first gear, and then outputs the power through the output shaft 2 to realize the transmission of the second gear.

倒档的传动路线为:电动机反转,一档无刷线控摩擦与啮合传动接合装置10通电接合,电动机的扭矩通过输入轴1传递给输入齿轮5,输入齿轮5将该扭矩进一步传递给一档输入齿轮6,再通过接合的一档无刷线控摩擦与啮合传动接合装置10传递给二档轴4,再由一档主动齿轮7和一档从动齿轮8的啮合将动力传递至输出轴2,实现倒档减速传动。The transmission route of the reverse gear is as follows: the motor reverses, the brushless wire control friction of the first gear is electrically engaged with the meshing transmission joint device 10, the torque of the motor is transmitted to the input gear 5 through the input shaft 1, and the input gear 5 further transmits the torque to a The gear input gear 6 is then transmitted to the second gear shaft 4 through the engaged first gear brushless wire-controlled friction and meshing transmission joint device 10, and then the power is transmitted to the output by the meshing of the first gear driving gear 7 and the first gear driven gear 8 Axis 2 realizes reverse gear reduction transmission.

空档:一档无刷线控摩擦与啮合传动接合装置10、二档无刷线控离心球臂接合装置20均处于断电不工作状态,实现空档。Neutral gear: the first gear brushless wire-controlled friction and meshing transmission joint device 10, and the second gear brushless wire-controlled centrifugal ball arm joint device 20 are all in the power-off and non-working state, realizing neutral gear.

上面结合附图对本发明的实施方式作了详细说明,但是本发明并不限于上述实施方式,在所属技术领域普通技术人员所具备的知识范围内,还可以在不脱离本发明宗旨的前提下作出各种变化。The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and can also be made without departing from the gist of the present invention within the scope of knowledge possessed by those of ordinary skill in the art. Variations.

Claims (1)

1.一种电动汽车无刷线控二档自动变速器,包括输入轴(1)、输出轴(2)、输入齿轮(5)、一档输入齿轮(6)、一档主动齿轮(7)、一档从动齿轮(8);所述输入齿轮(5)固定安装在输入轴(1)上;所述输入齿轮(5)与一档输入齿轮(6)常啮合;所述一档输入齿轮(6)固定安装在一档输入轴(3)上;所述一档主动齿轮(7)与一档从动齿轮(8)常啮合;所述一档主动齿轮(7)固定安装在一档轴(4)上;所述一档从动齿轮(8)固定安装在输出轴(2)上;其特征在于:1. A brushless wire-controlled second-gear automatic transmission for an electric vehicle, comprising an input shaft (1), an output shaft (2), an input gear (5), a first-gear input gear (6), a first-gear driving gear (7), First gear driven gear (8); said input gear (5) is fixedly installed on the input shaft (1); said input gear (5) is in constant mesh with first gear input gear (6); said first gear input gear (6) fixedly installed on the first gear input shaft (3); the first gear driving gear (7) is in constant mesh with the first gear driven gear (8); the first gear driving gear (7) is fixedly installed on the first gear on the shaft (4); the first gear driven gear (8) is fixedly installed on the output shaft (2); it is characterized in that: 它还包括一档无刷线控摩擦与啮合传动接合装置(10)和二档无刷线控离心球臂接合装置(20);It also includes a first-grade brushless wire-controlled friction and meshing transmission engaging device (10) and a second-grade brushless wire-controlled centrifugal ball arm engaging device (20); 所述一档无刷线控摩擦与啮合传动接合装置(10)设置在一档输入齿轮(6)和一档主动齿轮(7)之间;所述一档无刷线控摩擦与啮合传动接合装置(10)包括一档带侧齿内花键毂(10a)、一档带侧齿花键接合套(10d)、一档衔铁(10e)、一档花键套(10f)、一档电磁铁(10g)、一档回位弹簧(10i);The first-gear brushless wire-controlled friction and meshing transmission engaging device (10) is arranged between the first-gear input gear (6) and the first-gear driving gear (7); the first-gear brushless wire-controlled friction and meshing transmission is engaged The device (10) includes a first-gear internal spline hub (10a) with side teeth, a first-gear spline sleeve (10d) with side teeth, a first-gear armature (10e), a first-gear spline sleeve (10f), a first-gear electromagnetic Iron (10g), first gear return spring (10i); 所述一档带侧齿内花键毂(10a)的一端固定连接到一档输入齿轮(6)的一端面,所述一档带侧齿内花键毂(10a)的另一端的内侧端面上设有一档带侧齿内花键毂的侧齿(10a1);所述一档带侧齿花键接合套(10d)通过其内花键槽套装在一档花键套(10f)的外花键槽上,所述一档带侧齿花键接合套(10d)在其靠近一档带侧齿内花键毂的侧齿(10a1)的侧端面上设有一档带侧齿花键接合套侧齿(10d1);One end of the first-speed internal spline hub (10a) with side teeth is fixedly connected to one end surface of the first-speed input gear (6), and the inner end surface of the other end of the first-speed internal spline hub (10a) with side teeth The side teeth (10a1) of the inner spline hub of the first gear with side teeth are arranged on the top; the spline engagement sleeve (10d) of the first gear with side teeth is sleeved on the outer spline sleeve (10f) of the first gear through its inner spline groove. On the keyway, the first gear side tooth spline engagement sleeve (10d) is provided with a first gear side tooth spline engagement sleeve side surface on its side end surface close to the side teeth (10a1) of the first gear side tooth inner spline hub. teeth(10d1); 所述一档花键套(10f)通过其内花键槽套装在一档轴(4)的外花键槽上;所述一档花键套(10f)在其远离一档输入齿轮(6)的一外端面上固定连接有一档衔铁(10e);所述一档电磁铁(10g)通过轴承支撑安装在一档轴(4)上并用非导磁材料固定安装在变速器壳体上,所述一档电磁铁(10g)的磁极端面正对一档衔铁(10e)远离输入齿轮(6)的一端面,所述一档电磁铁(10g)与一档花键套(10f)之间设有一档回位弹簧(10i);The first gear spline sleeve (10f) is sleeved on the outer spline groove of the first gear shaft (4) through its inner spline groove; the first gear spline sleeve (10f) is far away from the first gear input gear (6) A gear armature (10e) is fixedly connected to an outer end surface; the first gear electromagnet (10g) is mounted on a gear shaft (4) through a bearing support and is fixedly mounted on the transmission housing with a non-magnetic material. The magnetic end face of the gear electromagnet (10g) faces the end face of the first gear armature (10e) away from the input gear (6), and a gear is arranged between the first gear electromagnet (10g) and the first gear spline sleeve (10f). gear return spring (10i); 所述二档无刷线控离心球臂接合装置(20)设置在输入齿轮(5)和一档从动齿轮(8)之间;所述二档无刷线控离心球臂接合装置(20)包括二档推力压盘(20c)、二档从动内花键毂(20d)、二档线控驱动盘(20g)、二档电磁铁(20h)、二档离心球臂空心轮盘(20j)、二档离心球臂销(20k)、二档离心球臂(20l)、二档离心球(20m)、二档导磁传力盘(20q)、二档离心球窝(20r)、二档主动轴(20Z);The second-gear brushless wire-controlled centrifugal ball arm engaging device (20) is arranged between the input gear (5) and the first-gear driven gear (8); the second-gear brushless wire-controlled centrifugal ball arm engaging device (20 ) includes the second gear thrust pressure plate (20c), the second gear driven internal spline hub (20d), the second gear wire control drive disc (20g), the second gear electromagnet (20h), the second gear centrifugal ball arm hollow wheel ( 20j), the second gear centrifugal ball arm pin (20k), the second gear centrifugal ball arm (20l), the second gear centrifugal ball (20m), the second gear magnetic transmission plate (20q), the second gear centrifugal ball socket (20r), Second gear driving shaft (20Z); 所述二档主动轴(20Z)的一端固定连接在输入轴(1)的一端,所述二档离心球臂空心轮盘(20j)通过轴承支撑安装在二档主动轴(20Z)的中间轴颈上,所述二档离心球臂空心轮盘(20j)在其靠近输入齿轮(5)一端的外圆周面上设有二档离心球臂空心轮盘外花键槽(20ja),所述二档线控驱动盘(20g)通过其内花键槽套装在二档离心球臂空心轮盘外花键槽(20ja)上;所述二档离心球臂空心轮盘(20j)的远离输入齿轮(5)的另一端设有多个沿周向均匀分布的二档离心球臂支座,所述每个二档离心球臂支座上固定安装一个二档离心球臂销(20k);所述二档离心球臂(20l)的一端通过其光滑承孔套装在二档离心球臂销(20k)的中间轴颈上,所述二档离心球臂(20l)可绕二档离心球臂销(20k)自由转动,所述二档离心球臂(20l)的另一端设有一个二档离心球窝(20r),所述每个二档离心球窝(20r)内安装有一个二档离心球(20m),所述每个二档离心球(20m)在二档离心球窝(20r)内可自由滚动;One end of the second-gear driving shaft (20Z) is fixedly connected to one end of the input shaft (1), and the second-gear centrifugal ball-arm hollow disc (20j) is installed on the intermediate shaft of the second-gear driving shaft (20Z) through bearing support. On the neck, the second-speed centrifugal ball-arm hollow wheel (20j) is provided with a second-speed centrifugal ball-arm hollow wheel outer spline groove (20ja) on the outer circumferential surface near the end of the input gear (5). The gear line control drive plate (20g) is set on the outer spline groove (20ja) of the second gear centrifugal ball arm hollow wheel disc (20ja) through its inner spline groove; the second gear centrifugal ball arm hollow wheel disc (20j) is far away from the input gear (5 The other end of ) is provided with a plurality of second-grade centrifugal ball arm supports evenly distributed along the circumferential direction, and a second-grade centrifugal ball arm pin (20k) is fixedly installed on each second-grade centrifugal ball arm support; the two One end of the gear centrifugal ball arm (20l) is sleeved on the intermediate journal of the second gear centrifugal ball arm pin (20k) through its smooth bearing hole, and the second gear centrifugal ball arm (20l) can be wound around the second gear centrifugal ball arm pin ( 20k) to rotate freely, the other end of the second-grade centrifugal ball arm (20l) is provided with a second-grade centrifugal ball socket (20r), and a second-grade centrifugal ball socket (20r) is installed in each second-grade centrifugal ball socket (20m), each second-grade centrifugal ball (20m) can roll freely in the second-grade centrifugal ball socket (20r); 所述二档推力压盘(20c)的一端面为二档光滑面(20ca);所述每个二档离心球(20m)抵靠在二档推力压盘(20c)的二档光滑面(20ca)上;所述二档推力压盘(20c)的外圆周面上还设有外花键槽,所述二档推力压盘(20c)的外花键槽与二档从动内花键毂(20d)的内花键槽二者轴向滑动接合;所述二档从动内花键毂(20d)的远离输入齿轮(5)的一端面与一档从动齿轮(8)固定连接;One end face of the second-grade thrust platen (20c) is a second-grade smooth surface (20ca); each second-grade centrifugal ball (20m) leans against the second-grade smooth surface (20c) of the second-grade thrust pressure plate (20c) 20ca); the outer peripheral surface of the second gear thrust pressure plate (20c) is also provided with an external spline groove, and the outer spline groove of the second gear thrust pressure plate (20c) is connected with the second gear driven inner spline hub ( The two internal spline grooves of 20d) are axially slidingly engaged; one end surface of the second-speed driven inner spline hub (20d) away from the input gear (5) is fixedly connected with the first-speed driven gear (8); 所述二档导磁传力盘(20q)通过二档导磁传力盘中心内毂(20qa)承孔固定安装在二档主动轴(20Z)的轴颈上,所述二档导磁传力盘(20q)还设有二档导磁传力盘外盘(20qb),所述二档导磁传力盘外盘(20qb)与输入齿轮(5)之间设有二档电磁铁(20h),所述二档电磁铁(20h)用非导磁材料固定安装在变速器壳体上,所述二档电磁铁(20h)的磁极端面正对二档导磁传力盘外盘(20qb)的一端面,所述二档导磁传力盘外盘(20qb)的一端面与二档电磁铁(20h)的磁极端面始终保持一定的空气隙;The second gear magnetic transmission disk (20q) is fixedly installed on the journal of the second gear driving shaft (20Z) through the inner hub (20qa) bearing hole of the second gear magnetic transmission disk center, and the second gear magnetic transmission The force plate (20q) is also provided with a second-gear magnetic conduction force transmission disc outer disc (20qb), and a second-gear electromagnet (20h) is arranged between the second-gear magnetic conduction force transfer disc outer disc (20qb) and the input gear (5) , the second-gear electromagnet (20h) is fixedly installed on the transmission housing with a non-magnetic material, and the magnetic end face of the second-gear electromagnet (20h) is facing the outer disk (20qb) of the second-gear magnetic transmission disk One end surface, the one end surface of the second gear magnetic conduction force transmission disk outer disk (20qb) and the magnetic end surface of the second gear electromagnet (20h) always maintain a certain air gap; 所述二档线控驱动盘(20g)的靠近输入齿轮(5)的一端面还设有二档摩擦驱动端面(20ga),所述二档摩擦驱动端面(20ga)正对二档导磁传力盘外盘(20qb)的另一个端面。The end face of the second-gear wire-controlled drive plate (20g) close to the input gear (5) is also provided with a second-gear friction drive end face (20ga), and the second-gear friction drive end face (20ga) is facing the second-gear magnetic transmission The other end face of the force plate outer disc (20qb).
CN201710014000.0A 2017-01-09 2017-01-09 Electric car is brushless two gear automatic speed variator of line traffic control Expired - Fee Related CN106678289B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907433A (en) * 1955-09-17 1959-10-06 Ferodo Sa Centrifugal clutches
FR2531166A1 (en) * 1982-07-29 1984-02-03 Duport Guy Electro-centrifugal clutch.
CN2239527Y (en) * 1995-06-20 1996-11-06 钱晓阳 Electrical control clutch
CN204921864U (en) * 2015-07-23 2015-12-30 山东理工大学 Electric automobile automatic gearbox is kept off to electronic stylus pin coupling device formula two

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907433A (en) * 1955-09-17 1959-10-06 Ferodo Sa Centrifugal clutches
FR2531166A1 (en) * 1982-07-29 1984-02-03 Duport Guy Electro-centrifugal clutch.
CN2239527Y (en) * 1995-06-20 1996-11-06 钱晓阳 Electrical control clutch
CN204921864U (en) * 2015-07-23 2015-12-30 山东理工大学 Electric automobile automatic gearbox is kept off to electronic stylus pin coupling device formula two

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