WO2018126593A1 - 无刷线控离心球臂接合装置的电磁离合器 - Google Patents

无刷线控离心球臂接合装置的电磁离合器 Download PDF

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Publication number
WO2018126593A1
WO2018126593A1 PCT/CN2017/085318 CN2017085318W WO2018126593A1 WO 2018126593 A1 WO2018126593 A1 WO 2018126593A1 CN 2017085318 W CN2017085318 W CN 2017085318W WO 2018126593 A1 WO2018126593 A1 WO 2018126593A1
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WO
WIPO (PCT)
Prior art keywords
centrifugal ball
centrifugal
ball arm
disk
brushless
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PCT/CN2017/085318
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English (en)
French (fr)
Inventor
曲金玉
任传波
郭政斌
张攀
齐臣
吕娜娜
Original Assignee
山东理工大学
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Publication date
Application filed by 山东理工大学 filed Critical 山东理工大学
Priority to JP2018552153A priority Critical patent/JP6643500B2/ja
Priority to KR1020197022690A priority patent/KR102160887B1/ko
Priority to EP17877379.2A priority patent/EP3388703B1/en
Priority to US15/772,408 priority patent/US10830289B2/en
Publication of WO2018126593A1 publication Critical patent/WO2018126593A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/06—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like
    • F16D43/08—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces
    • F16D43/10—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces the centrifugal masses acting directly on the pressure ring, no other actuating mechanism for the pressure ring being provided
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
    • F16D27/04—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
    • F16D27/04—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces
    • F16D27/08—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces with friction surfaces arranged externally to the flux
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/004—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets combined with electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
    • F16D27/108—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
    • F16D27/112—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
    • F16D27/108—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
    • F16D27/112—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
    • F16D27/115—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/14—Details

Definitions

  • the present invention relates to a clutch, and more particularly to an electromagnetic clutch for a brushless wire-controlled centrifugal ball arm engagement device.
  • the existing electromagnetic clutch can be divided into: a friction plate type electromagnetic clutch, a jaw type electromagnetic clutch, a magnetic powder clutch, a slip type electromagnetic clutch and the like.
  • a friction plate type electromagnetic clutch When the friction plate type electromagnetic clutch is engaged, the electromagnetic force generated by the energization of the electromagnetic coil presses the frictional force generated by the active friction plate and the driven friction plate to transmit the torque.
  • the radial size of the input disk and the driven disk When transmitting the large torque, the radial size of the input disk and the driven disk must be increased.
  • the large electromagnetic coil energizes the current, increases the number of active friction plates and the driven friction plates, so there are disadvantages such as large volume, low rotation speed and large power consumption; the jaw-mounted electromagnetic clutch has a large transmission torque, and the rotation speed is required to be low when engaged.
  • the magnetic powder clutch has a fast response, and the precision can be finely adjusted according to the current magnitude, but there are disadvantages such as large power consumption, large temperature increase, high cost, etc.; when the differential electromagnetic clutch is working, The main and driven parts must have a certain speed difference for torque transmission, and the eddy current in the rotor generates heat, which is proportional to the difference in rotational speed.
  • the object of the present invention is to overcome the deficiencies of the prior art electromagnetic clutch and to provide an electromagnetic clutch for a brushless wire-controlled centrifugal ball-arm engagement device having a large transmission torque, a high rotational speed, and a low power consumption.
  • An electromagnetic clutch for a brushless wire-controlled centrifugal ball joint device includes an input shaft, an output shaft, an output shaft lands, and a brushless electromagnet.
  • It also includes a brushless wire-controlled centrifugal ball joint.
  • the brushless wire-controlled centrifugal ball arm engagement device comprises a thrust platen, a driven internal spline hub, a wire drive disc, a preload spring, a centrifugal ball arm hollow disc, a centrifugal ball arm pin, a centrifugal ball arm, a centrifugal ball , magnetic transmission force plate, centrifugal ball socket, drive shaft.
  • the hollow wheel is provided at its other end away from the input shaft, and is provided with a plurality of circumferentially distributed centrifugal ball arm supports, and a centrifugal ball arm pin is fixedly mounted on each of the
  • One end surface of the thrust platen is a smooth surface; each of the centrifugal balls abuts against a smooth surface of the thrust platen; and the outer circumferential surface of the thrust platen is further provided with an outer spline groove, the thrust pressure
  • An outer spline groove of the disk is axially slidably engaged with an inner spline groove of the driven inner spline hub; an end surface of the driven inner spline hub remote from the input shaft is fixedly coupled with the output shaft connecting plate, the output shaft
  • the connection plate is fixedly mounted on the output shaft.
  • the magnetically permeable force transmitting disk is fixedly mounted on the journal of the driving shaft through a central inner bearing hole of the magnetic permeable force transmitting disk; the magnetic permeable force transmitting disk is provided with a magnetically permeable force transmitting disk outer disk, and the magnetic conductive force is transmitted
  • An end face of the outer disk adjacent to the friction drive end face maintains a certain air gap with the friction drive end face under the action of the pre-pressure spring, and the other end face of the outer disk of the magnetically permeable force plate and the magnetic pole face of the brushless electromagnet are always maintained.
  • a certain air gap is provided.
  • the invention has the following advantages:
  • centrifugal force is generated in each centrifugal ball arm and the centrifugal ball during high-speed operation, and each centrifugal ball arm and the centrifugal ball are driven by centrifugal force around the centrifugal ball arm pin.
  • the smooth surface of the pressure plate is circularly moved outwardly, and the centrifugal force pushes the thrust platen along the central axis direction of the hollow wheel of the centrifugal ball arm to press the outer spline groove steel sheets and the inner spline groove friction plates to each other.
  • the clutch is engaged, the clutch is engaged smoothly, without impact, suitable for high-speed operation, high transmission torque, and the use of brushless electromagnet is beneficial to improve its working life.
  • FIG. 1 is a schematic view showing the structure of an electromagnetic clutch of a brushless wire-controlled centrifugal ball joint device according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing the structure of an electromagnetic clutch energized engagement state of a brushless wire-controlled centrifugal ball joint device according to an embodiment of the present invention.
  • the electromagnetic clutch of the brushless wire-controlled centrifugal ball joint device of the present invention comprises an input shaft 11, an output shaft 21, an output shaft lands 21P, a brushless electromagnet 1WT, and a brushless wire-controlled centrifugal ball arm.
  • Engagement device 10 comprises an input shaft 11, an output shaft 21, an output shaft lands 21P, a brushless electromagnet 1WT, and a brushless wire-controlled centrifugal ball arm.
  • the brushless wire-controlled centrifugal ball joint device 10 includes an inner spline groove friction plate 10a, an outer spline groove steel plate 10b, a thrust platen 10c, a driven inner spline hub 10d, and a driven inner spline hub end cover 10e. , stop plate 10f, wire drive disc 10g, preload spring 10i, centrifugal ball hollow wheel 10j, centrifugal ball arm pin 10k, centrifugal ball arm 10l, centrifugal ball 10m, centrifugal ball arm return spring 10p, magnetic conduction The force transmission plate 10q, the centrifugal ball socket 10r, and the drive shaft 10Z.
  • the inner spline groove friction plate 10a is fitted on the outer spline groove of the drive shaft 10Z through its inner spline groove; one end of the drive shaft 10Z is fixedly connected to the input shaft 11 through a spline, and the other end passes through the bearing and the front shaft of the output shaft 21
  • the neck joint; the centrifugal ball arm hollow wheel 10j is mounted on the intermediate journal of the drive shaft 10Z via a bearing support, and the centrifugal ball hollow wheel disc 10j is provided with a centrifugal ball arm hollow wheel on its outer circumferential surface near one end of the input shaft 11.
  • the outer spline groove 10ja, the wire drive disc 10g is set on the outer spline groove 10ja of the centrifugal ball arm hollow wheel through the inner spline groove; the centrifugal ball hollow wheel 10j is provided at the other end away from the input shaft 11 Evenly distributed along the circumference a spherical arm support, a centrifugal ball arm pin 10k is fixedly mounted on each centrifugal ball arm support; one end of the centrifugal ball arm 10l is set on the intermediate journal of the centrifugal ball arm pin 10k through its smooth bearing hole, and the centrifugal ball arm is 10l can be freely rotated around the centrifugal ball arm pin 10k, and the other end of the centrifugal ball arm 10l is provided with a centrifugal ball socket 10r, and each centrifugal ball socket 10r is equipped with a centrifugal ball 10m, each centrifugal ball 10m in the centrifugal ball socket 10r
  • One end of the shaft 11 is fixedly connected to the driven inner spline hub end cover 10e by bolts, and one end away from the input shaft 11 is fixedly connected with the output shaft connecting plate 21P, and the outer spline groove steel plate 10b is set in the driven by the outer spline groove thereof.
  • the inner spline groove of the spline hub 10d; the output shaft connecting plate 21P is solid Mounted on the output shaft 21; the stop plate 10f, the brushless electromagnet 1WT are fixedly mounted on the clutch housing by a non-magnetic material, the wire drive disc 10g is located between the stop plate 10f and the brushless electromagnet 1WT;
  • the wire drive drive plate 10g is further provided with a friction drive end face 10ga at an end face thereof close to the input shaft 11;
  • the magnetic force transmission force plate 10q is fixedly mounted on the journal of the drive shaft 10Z through a hole of the center of the magnetic force transmission disk center inner hub 10qa
  • the magnetic transmission force transmission plate 10q is provided with a magnetic transmission force plate outer disk 10qb, and an end surface of the magnetic transmission force plate outer disk 10qb close to the friction drive end surface 10ga maintains a certain air gap with the friction drive end surface 10ga under the action of the preload spring 10i.
  • the electromagnetic clutch of the brushless wire-controlled centrifugal ball arm engagement device When the electromagnetic clutch of the brushless wire-controlled centrifugal ball arm engagement device is in the disengaged state, as shown in FIG. 1, the electromagnetic coil is not energized, and under the elastic force of the pre-pressure spring 10i, the wire drive disc 10g and the stop disc 10f are caused.
  • the retaining disk 10f is fixedly fixed on the clutch housing, so the friction between the wire drive disc 10g and the retaining disc 10f causes the remote control disc 10g together with the centrifugal ball hollow disc 10j
  • the rotation speed is zero, and under the torsion action of the centrifugal ball return spring 10p, the centrifugal ball arm 10l is gathered inward together with the centrifugal ball 10m, so that the brushless wire-controlled rocker arm engagement device 10 does not transmit power, and the clutch is in a separated state;
  • the electricity is The magnetic coil is energized, and the brushless wire-controlled centrifugal ball arm engagement device 10 works.
  • the electromagnetic coil of the brushless electromagnet 1WT is energized, the electromagnetic attraction generated by the brushless electromagnet 1WT is transmitted to the remote control drive disk via the magnetic transmission force transmission plate 10q. 10g, the wire drive disc 10g is moved toward the brushless electromagnet 1WT against the elastic force of the preload spring 10i, so that the friction drive end surface 10ga of the remote drive disc 10g is engaged with one end surface of the magnetic force transmission disc 10q.
  • centrifugal ball hollow wheel 10j Under the action of the friction generated by the joint, the centrifugal ball hollow wheel 10j is rotated, and the centrifugal ball hollow wheel 10j drives the centrifugal ball 10l to rotate. At the same time, under the action of centrifugal force, each centrifugal ball 10l is centrifuged.
  • the ball pin 10k is flared outward, so that the end of the centrifugal ball socket 10r drives the centrifugal ball 10m to move circularly outward along the smooth surface 10ca of the thrust platen 10c, so that the centrifugal ball 10l and the centrifugal ball 10m generate centrifugal force.
  • the centrifugal force pushes the thrust platen 10c along the central axis direction of the centrifugal ball hollow wheel disc 10j to generate axial movement away from the centrifugal ball inner ring wheel 10j, so that the thrust platen 10c will have each outer spline groove steel piece.
  • 10b and The inner spline groove friction plates 10a are pressed against each other, and the driven inner spline hub 10d is synchronously rotated with the input shaft 11 by the friction between the outer spline groove steel sheets 10b and the inner spline groove friction plates 10a. Thereby the engagement of the clutch is completed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)

Abstract

一种无刷线控离心球臂接合装置的电磁离合器，其包括无刷电磁铁（1WT）、推力压盘（10c）、从动内花键毂（10d）、线控驱动盘（10g）、离心球臂空心轮盘（10j）、离心球臂销（10k）、离心球臂（10l）、离心球（10m）、导磁传力盘（10q）、主动轴（10Z）；在高速运转时，无刷电磁铁（1WT）通电后，各离心球臂（10l）和离心球（10m）产生离心力，各离心球臂（10l）和离心球（10m）在离心力的作用下绕离心球臂销（10k）沿推力压盘（10c）的光滑面向外作圆周运动，该离心力沿离心球臂空心轮盘（10j）的中心轴方向的分力推动推力压盘（10c）将各带外花键槽钢片（10b）与各带内花键槽摩擦片（10a）相互压紧，实现离合器的接合，离合器接合平稳、无冲击，适合高速运转、传递扭矩大。

Description

无刷线控离心球臂接合装置的电磁离合器 技术领域
本发明涉及一种离合器，更确切的说是一种无刷线控离心球臂接合装置的电磁离合器。
背景技术
现有的电磁离合器可分为：摩擦片式电磁离合器、牙嵌式电磁离合器、磁粉离合器、转差式电磁离合器等。摩擦片式电磁离合器接合时通过电磁线圈通电产生的电磁力压紧主动摩擦片和从动摩擦片产生的摩擦力传递扭矩，传递大扭矩时必须增大输入盘和从动盘的径向尺寸、增大电磁线圈通电电流、增加主动摩擦片和从动摩擦片的片数，因此存在体积大、转速低和耗电功率大等缺点；牙嵌式电磁离合器传输扭矩大，接合时要求转速差低，存在耗电功率较大的缺点；磁粉离合器响应快，可根据电流大小实现精度的微调，但存在耗电功率大、较大滑差时温升高、成本高等缺点；转差式电磁离合器工作时，主、从动部分必须存在某一转速差才有转矩传递，而且转子中的涡流会产生热量，该热量与转速差成正比。
发明内容
本发明的目的在于克服现有电磁离合器的不足，提供一种传递扭矩大、转速高和耗电功率小、新型结构的无刷线控离心球臂接合装置的电磁离合器。
本发明的技术方案如下：
一种无刷线控离心球臂接合装置的电磁离合器，包括输入轴、输出轴、输出轴连接盘、无刷电磁铁。
它还包括无刷线控离心球臂接合装置。
所述无刷线控离心球臂接合装置包括推力压盘、从动内花键毂、线控驱动盘、预压弹簧、离心球臂空心轮盘、离心球臂销、离心球臂、离心球、导磁传力盘、离心球窝、主动轴。
所述主动轴的一端与输入轴的一端固定连接；所述离心球臂空心轮盘通过轴承支撑安装在主动轴的中间轴颈上，所述离心球臂空心轮盘在其靠 近输入轴一端的外圆周面上设有离心球臂空心轮盘外花键槽；所述线控驱动盘通过其内花键槽套装在离心球臂空心轮盘外花键槽上，所述预压弹簧设置在离心球臂空心轮盘外花键槽的末端与线控驱动盘的内侧端面之间；所述线控驱动盘在其靠近输入轴的一端面还设有摩擦驱动端面；所述离心球臂空心轮盘在其远离输入轴的另一端设有多个沿周向均匀分布的离心球臂支座，所述每个离心球臂支座上固定安装一个离心球臂销；所述离心球臂的一端通过其光滑承孔套装在离心球臂销的中间轴颈上，所述离心球臂可绕离心球臂销自由转动；所述离心球臂的另一端设有一个离心球窝，所述每个离心球窝内安装有一个离心球，所述每个离心球在离心球窝内可自由滚动。
所述推力压盘的一端面为光滑面；所述每个离心球抵靠在推力压盘的光滑面上；所述推力压盘的外圆周面上还设有外花键槽，所述推力压盘的外花键槽与从动内花键毂的内花键槽二者轴向滑动接合；所述从动内花键毂的远离输入轴的一端面与输出轴连接盘固定连接，所述输出轴连接盘固定安装在输出轴上。
所述导磁传力盘通过导磁传力盘中心内毂承孔固定安装在主动轴的轴颈上；所述导磁传力盘设有导磁传力盘外盘，所述导磁传力盘外盘其靠近摩擦驱动端面的一端面在预压弹簧的作用下与摩擦驱动端面保持一定的空气隙，所述导磁传力盘外盘的另一端面与无刷电磁铁的磁极端面始终保持一定的空气隙。
本发明与现有技术相比，其优点是：
本发明的无刷线控离心球臂接合装置的电磁离合器，在高速运转时，各离心球臂和离心球产生离心力，各离心球臂和离心球在离心力的作用下绕离心球臂销沿推力压盘的光滑面向外作圆周运动，该离心力沿离心球臂空心轮盘的中心轴方向的分力推动推力压盘将各带外花键槽钢片与各带内花键槽摩擦片相互压紧，实现离合器的接合，离合器接合平稳、无冲击，适合高速运转、传递扭矩大，且采用无刷电磁铁有利于提高其工作寿命。
附图说明
图1是本发明实施例无刷线控离心球臂接合装置的电磁离合器结构示意图。
图2是本发明实施例无刷线控离心球臂接合装置的电磁离合器通电接合状态结构示意图。
图中：1WT.无刷电磁铁 1WTa.磁极端面 11.输入轴 21.输出轴 21P.输出轴连接盘 10.无刷线控离心球臂式接合装置 10a.带内花键槽摩擦片 10b.带外花键槽钢片 10c.推力压盘 10ca.光滑面 10d.从动内花键毂 10e.从动内花键毂端盖 10f.止动盘 10g.线控驱动盘 10ga.摩擦驱动端面 10i.预压弹簧 10j.离心球臂空心轮盘 10ja.离心球臂空心轮盘外花键槽 10k.离心球臂销 10l.离心球臂 10m.离心球 10p.离心球臂回位弹簧 10q.导磁传力盘 10qa.导磁传力盘中心内毂 10qb.导磁传力盘外盘 10r.离心球窝 10Z.主动轴。
具体实施方式
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。
如图1所示，本发明的无刷线控离心球臂接合装置的电磁离合器，包括输入轴11、输出轴21、输出轴连接盘21P、无刷电磁铁1WT、无刷线控离心球臂接合装置10。
无刷线控离心球臂式接合装置10包括带内花键槽摩擦片10a、带外花键槽钢片10b、推力压盘10c、从动内花键毂10d、从动内花键毂端盖10e、止动盘10f、线控驱动盘10g、预压弹簧10i、离心球臂空心轮盘10j、离心球臂销10k、离心球臂10l、离心球10m、离心球臂回位弹簧10p、导磁传力盘10q、离心球窝10r、主动轴10Z。
带内花键槽摩擦片10a通过其内花键槽套装在主动轴10Z的外花键槽上；主动轴10Z的一端通过花键与输入轴11固定连接，另一端通过轴承与输出轴21的前部轴颈连接；离心球臂空心轮盘10j通过轴承支撑安装在主动轴10Z的中间轴颈上，离心球臂空心轮盘10j在其靠近输入轴11一端的外圆周面上设有离心球臂空心轮盘外花键槽10ja，线控驱动盘10g通过其内花键槽套装在离心球臂空心轮盘外花键槽10ja上；离心球臂空心轮盘10j在其远离输入轴11的另一端设有多个沿周向均匀分布的离 心球臂支座，每个离心球臂支座上固定安装一个离心球臂销10k；离心球臂10l的一端通过其光滑承孔套装在离心球臂销10k的中间轴颈上，离心球臂10l可绕离心球臂销10k自由转动，离心球臂10l的另一端设有一个离心球窝10r，每个离心球窝10r内安装有一个离心球10m，每个离心球10m在离心球窝10r内可自由滚动；推力压盘10c的一端面为光滑面10ca，推力压盘10c的另一端面为粗糙摩擦面，每个离心球10m抵靠在推力压盘10c的光滑面10ca上；推力压盘10c的外圆周面上还设有外花键槽，推力压盘10c的外花键槽与从动内花键毂10d的内花键槽二者轴向滑动接合；从动内花键毂10d靠近输入轴11的一端通过螺栓固定连接从动内花键毂端盖10e，远离输入轴11的一端与输出轴连接盘21P固定连接，带外花键槽钢片10b通过其外花键槽套装在从动内花键毂10d的内花键槽上；输出轴连接盘21P固定安装在输出轴21上；止动盘10f、无刷电磁铁1WT均通过非导磁材料固定安装在离合器壳体上，线控驱动盘10g位于止动盘10f与无刷电磁铁1WT之间；线控驱动盘10g在其靠近输入轴11的一端面还设有摩擦驱动端面10ga；导磁传力盘10q通过导磁传力盘中心内毂10qa承孔固定安装在主动轴10Z的轴颈上；导磁传力盘10q设有导磁传力盘外盘10qb，导磁传力盘外盘10qb靠近摩擦驱动端面10ga的一端面在预压弹簧10i的作用下与摩擦驱动端面10ga保持一定的空气隙，导磁传力盘外盘10qb的另一端面与无刷电磁铁1WT的磁极端面1WTa始终保持一定的空气隙。
下面结合图1和图2进一步说明本发明实施例的无刷线控离心球臂接合装置的电磁离合器的工作原理：
当无刷线控离心球臂接合装置的电磁离合器处于分离状态时，如图1所示，电磁线圈不通电，在预压弹簧10i的弹力作用下，使线控驱动盘10g与止动盘10f接合，止动盘10f固定在离合器壳体上固定不动，因此线控驱动盘10g与止动盘10f接合后二者之间的摩擦力使线控驱动盘10g连同离心球臂空心轮盘10j的转速为零，在离心球臂回位弹簧10p的扭转作用下，使离心球臂10l连同离心球10m向内收拢，这样无刷线控摇臂接合装置10不传递动力，离合器处于分离状态；
当无刷线控离心球臂接合装置的电磁离合器接合时，如图2所示，电 磁线圈通电，无刷线控离心球臂接合装置10工作，在无刷电磁铁1WT的电磁线圈通电后，无刷电磁铁1WT产生的电磁吸力经导磁传力盘10q传递给线控驱动盘10g，使线控驱动盘10g克服预压弹簧10i的弹力作用向无刷电磁铁1WT方向移动，从而使线控驱动盘10g的摩擦驱动端面10ga与导磁传力盘10q的一端面接合，在二者接合产生的摩擦力的作用下带动离心球臂空心轮盘10j旋转，离心球臂空心轮盘10j带动各离心球臂10l旋转，同时，在离心力的作用下，各离心球臂10l绕离心球臂销10k向外张开，使设有离心球窝10r的一端带动离心球10m沿推力压盘10c的光滑面10ca向外作圆周运动，从而使离心球臂10l连同离心球10m产生离心力，该离心力沿离心球臂空心轮盘10j的中心轴方向的分力推动推力压盘10c产生远离离心球臂空心轮盘10j的轴向移动，从而使推力压盘10c将各带外花键槽钢片10b与各带内花键槽摩擦片10a相互压紧，依靠各带外花键槽钢片10b与各带内花键槽摩擦片10a之间的摩擦力实现从动内花键毂10d连同输入轴11同步旋转，从而完成离合器的接合。
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。

Claims (1)

  1. 一种无刷线控离心球臂接合装置的电磁离合器，包括输入轴(11)、输出轴(21)、输出轴连接盘(21P)、无刷电磁铁(1WT)；其特征在于：
    它还包括无刷线控离心球臂接合装置(10)；
    所述无刷线控离心球臂接合装置(10)包括推力压盘(10c)、从动内花键毂(10d)、线控驱动盘(10g)、预压弹簧(10i)、离心球臂空心轮盘(10j)、离心球臂销(10k)、离心球臂(10l)、离心球(10m)、导磁传力盘(10q)、离心球窝(10r)、主动轴(10Z)；
    所述主动轴(10Z)的一端与输入轴(11)的一端固定连接；所述离心球臂空心轮盘(10j)通过轴承支撑安装在主动轴(10Z)的中间轴颈上，所述离心球臂空心轮盘(10j)在其靠近输入轴(11)一端的外圆周面上设有离心球臂空心轮盘外花键槽(10ja)；所述线控驱动盘(10g)通过其内花键槽套装在离心球臂空心轮盘外花键槽(10ja)上，所述预压弹簧(10i)设置在离心球臂空心轮盘外花键槽(10ja)的末端与线控驱动盘(10g)的内侧端面之间；所述线控驱动盘(10g)在其靠近输入轴(11)的一端面还设有摩擦驱动端面(10ga)；所述离心球臂空心轮盘(10j)在其远离输入轴(11)的另一端设有多个沿周向均匀分布的离心球臂支座，所述每个离心球臂支座上固定安装一个离心球臂销(10k)；所述离心球臂(10l)的一端通过其光滑承孔套装在离心球臂销(10k)的中间轴颈上，所述离心球臂(10l)可绕离心球臂销(10k)自由转动；所述离心球臂(10l)的另一端设有一个离心球窝(10r)，所述每个离心球窝(10r)内安装有一个离心球(10m)，所述每个离心球(10m)在离心球窝(10r)内可自由滚动；
    所述推力压盘(10c)的一端面为光滑面(10ca)；所述每个离心球(10m)抵靠在推力压盘(10c)的光滑面(10ca)上；所述推力压盘(10c)的外圆周面上还设有外花键槽，所述推力压盘(10c)的外花键槽与从动内花键毂(10d)的内花键槽二者轴向滑动接合；所述从动内花键毂(10d)的远离输入轴(11)的一端面与输出轴连接盘(21P)固定连接，所述输出轴连接盘(21P)固定安装在输出轴(21)上；
    所述导磁传力盘(10q)通过导磁传力盘中心内毂(10qa)承孔固定安装在主动轴(10Z)的轴颈上；所述导磁传力盘(10q)设有导磁传力盘外盘 (10qb)，所述导磁传力盘外盘(10qb)其靠近摩擦驱动端面(10ga)的一端面在预压弹簧(10i)的作用下与摩擦驱动端面(10ga)保持一定的空气隙，所述导磁传力盘外盘(10qb)的另一端面与无刷电磁铁(1WT)的磁极端面(1WTa)始终保持一定的空气隙。
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