WO2020220644A1 - 一种磁传动二级变速器 - Google Patents
一种磁传动二级变速器 Download PDFInfo
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- WO2020220644A1 WO2020220644A1 PCT/CN2019/118343 CN2019118343W WO2020220644A1 WO 2020220644 A1 WO2020220644 A1 WO 2020220644A1 CN 2019118343 W CN2019118343 W CN 2019118343W WO 2020220644 A1 WO2020220644 A1 WO 2020220644A1
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- planetary
- wheel
- magnetic
- magnetic wheel
- transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
Definitions
- the invention relates to the field of mechanical manufacturing, in particular to a magnetic drive two-stage transmission.
- the transmission is an independent component composed of gear transmission, worm transmission, and gear-worm transmission enclosed in a rigid shell. It is often used as a reduction transmission device between the original moving part and the working machine. It plays the role of matching the speed and transmitting torque between the prime mover and the working machine or the actuator. It is widely used in modern machinery.
- the purpose of the transmission is to reduce the speed and increase the torque. It has a wide variety of different models, and different types have different uses. There are many types of transmissions.
- the transmission type they can be divided into gear transmissions, worm transmissions and planetary gear transmissions; according to the number of transmission stages, they can be divided into single-stage and multi-stage transmissions; according to gear shapes, they can be divided into cylindrical gear transmissions, bevel gear transmissions and Cone-cylindrical gear transmission; according to the transmission layout, it can be divided into expansion, split and coaxial transmission.
- the technical problem to be solved by the present invention is to provide a magnetic transmission two-stage transmission, which uses permanent magnet transmission to replace the mechanical gear transmission mode of the transmission transmission device in the prior art.
- the overall structure is scientific and reasonable, the production process is simple, the installation is convenient, and the transmission efficiency is high. , Reduced transmission noise, long service life, no environmental pollution, broad market prospects, easy to promote and use.
- the present invention provides a magnetic drive two-stage transmission, including a solar magnetic wheel, a first planetary magnetic wheel, a second planetary magnetic wheel, a fixed magnetic wheel, and a planetary wheel.
- the one planetary magnetic wheel, the second planetary magnetic wheel, and the fixed magnetic wheel all include a central wheel disc.
- the outer circumference of the central wheel disc is evenly embedded with a ring of magnets.
- both sides of the planetary wheel disc are respectively provided with a number of first planetary magnetic wheels, second planetary magnetic wheels, a number of the first planetary magnetic wheels are arranged around the sun magnetic wheel, the first planetary magnetic wheel A gap is left between the ring and the outer ring of the solar magnetic wheel, the plurality of second planetary magnetic wheels are arranged around the fixed magnetic wheel, and the outer ring of the second planetary magnetic wheel and the outer ring of the fixed magnetic wheel Leaving a gap, the first planetary magnetic wheel and the second planetary magnetic wheel are connected for synchronous rotation.
- the present invention further comprises an input shaft and an output shaft, the sun magnetic wheel is fixedly sleeved on the input shaft, the output shaft drives the sun magnetic wheel to rotate, and the planetary wheel is fixed It is sleeved on the output shaft, and the planetary wheel drives the output shaft to rotate.
- the present invention further includes a housing and a gland.
- the sun magnetic wheel, the first planetary magnetic wheel, the second planetary magnetic wheel, the fixed magnetic wheel, the planetary wheel disc, the input shaft and the output shaft are all arranged in
- the housing is provided with a through hole for the input shaft to pass through
- the pressure cover is buckled on the housing
- the pressure cover is provided with a through hole for the output shaft to pass through.
- the first planetary magnetic wheel and the second planetary magnetic wheel are connected by a planetary shaft, both ends of the planetary shaft are provided with shaft connecting plates, and the shaft connecting plates are used for The first planetary magnetic wheel and the second planetary magnetic wheel are respectively connected to the planetary shaft.
- the planetary wheel is provided with a plurality of through holes for the planetary shaft to pass through.
- a plurality of the first planetary magnetic wheels and the second planetary magnetic wheels are evenly and symmetrically arranged on both sides of the planetary wheel disc.
- the gap between each of the first planetary magnet wheels and the sun magnet wheel is equal, and the gap between each of the second planetary magnet wheels and the fixed magnet wheel is equal.
- the magnet is a permanent magnet.
- the present invention uses magnets to replace the mechanical gear transmission mode of the transmission speed change device in the prior art. It uses magnets to design a magnetic force layout with uniformly distributed magnetic lines of force, and utilizes the strong magnetic field coupling effect to make the same two-magnet wheel disks in static magnetic force lines Torque transmission with constant speed ratio is realized under the action of mutual rotation torque.
- the realization of non-contact magnetic transmission eliminates the friction between the existing involute mechanical gears, which is beneficial to increase the effective transmission power, reduce transmission noise, and does not need to add lubricating oil and coolant, which can reduce the transmission device
- the daily maintenance cost can effectively avoid the gear shifting damage caused by impact, the transmission is stable and reliable, and the service life of the equipment is improved.
- the overall structure is scientific and reasonable, the production process is simple, the installation and operation are convenient, the transmission efficiency is high, the production cost is significantly reduced, and it has significant economic and social benefits.
- Figure 1 is a schematic diagram of the explosive structure of the magnetic drive two-stage transmission of the present invention
- Figure 2 is a side sectional view of the magnetic drive two-stage transmission of the present invention
- FIG. 3 is a schematic diagram of the magnet distribution of the sun magnet wheel, the first planetary magnet wheel, the second planetary magnet wheel, and the fixed magnet wheel in the present invention
- Fig. 4 is a schematic diagram of the connection structure of the first planetary magnetic wheel and the second planetary magnetic wheel in the present invention.
- an embodiment of the magnetic drive two-stage transmission of the present invention includes a solar magnetic wheel 1, a first planetary magnetic wheel 2, a second planetary magnetic wheel 3, a fixed magnetic wheel 4, and a planetary wheel disk 5.
- the solar magnetic wheel 1, the first planetary magnetic wheel 2, the second planetary magnetic wheel 3, and the fixed magnetic wheel 4 all include a central roulette, and a ring of magnets 6 are evenly embedded on the outer circumference of the central roulette, two adjacent ones The magnetic poles of the outer surface of the magnet 6 in the radial direction of the central wheel are opposite; the two sides of the planetary wheel 5 are respectively provided with a plurality of first planetary magnetic wheels 2 and a second planetary magnetic wheel 3, a plurality of the first planetary magnetic
- the wheel 2 is arranged around the solar magnetic wheel 1, a gap is left between the outer ring of the first planetary magnetic wheel 2 and the outer ring of the solar magnetic wheel 1, and the plurality of second planetary magnetic wheels 3 surround the stator
- the magnetic wheel 4 is arranged, the outer ring of
- This embodiment also includes an input shaft 7 and an output shaft 8.
- the solar magnetic wheel 1 is fixedly sleeved on the input shaft 7, the output shaft 8 drives the solar magnetic wheel 1 to rotate, and the planetary wheel disc 5 is fixedly sleeved on the output shaft 8, and the planetary wheel disk 5 drives the output shaft 8 to rotate.
- the overall transmission process is: the solar magnetic wheel 1 is fixedly sleeved on the input shaft 7, the rotation of the input shaft 7 drives the solar magnetic wheel 1 to rotate, and the input shaft 7 is connected to the input shaft 7.
- the angular velocity of the rotation of the solar magnetic wheel 1 is the same. Since a number of the first planetary magnetic wheels 2 are arranged around the solar magnetic wheel 1, the solar magnetic wheel 1 rotates continuously, and the solar magnetic wheel 1 The magnetic field is constantly changing, which drives several first planetary magnet wheels 2 to also keep rotating with the solar magnet wheel 1.
- the first planetary magnet wheel 2 and the second planetary magnet wheel 3 are connected to rotate synchronously, so the second planetary magnet wheel 3 Rotating under the drive of the first planetary magnetic wheel 2, the second planetary magnetic wheel 3 and the first planetary magnetic wheel 2 rotate at the same angular velocity, and a number of the second planetary magnetic wheels 3 are arranged around the fixed magnetic wheel 4 ,
- the fixed magnet wheel 4 is fixedly arranged, and the rotation of the second planetary magnet wheel 3 causes the magnetic field outside the second planetary magnet wheel 3 to continuously change.
- a number of the second planetary magnet wheels 3 surround The fixed magnetic wheel 4 rotates, and the second planetary magnetic wheel 3 is arranged on the planetary wheel disk 5, so the second planetary magnetic wheel 3 drives the planetary wheel disk 5 to rotate, and the planetary wheel disk 5 It is fixedly sleeved on the output shaft 8, and the planetary wheel disk 5 drives the output shaft 8 to rotate.
- the transmission ratio between the input shaft 7 and the output shaft 8 is the same as that of the sun magnet wheel 1, the first planetary magnet wheel 2, the second planetary magnet wheel 3, and the magnet 6 provided on the fixed magnet wheel 4.
- the number is related.
- the number of magnets 6 arranged on the outer circumference of the first planetary magnetic wheel 2 and the second planetary magnetic wheel 3 is different to realize the first-stage speed change of the magnetic transmission.
- the first planetary magnetic wheel 2, the second planetary magnetic wheel 3 Synchronous rotation, the angular velocity of rotation is the same, the number of magnets 6 with different outer circumferences of the first planetary magnetic wheel 2 and the second planetary magnetic wheel 3 are set to make the outer diameters of the first planetary magnetic wheel 2 and the second planetary magnetic wheel 3 different.
- Z 1 is the number of magnets 6 outside the sun magnetic wheel 1;
- Z 2 is the number of magnets 6 outside the first planetary magnetic wheel 2;
- Z 3 is the number of magnets 6 outside the second planetary magnetic wheel 3
- Z 4 is the number of magnets 6 outside the fixed magnet wheel 4.
- the number of magnets 6 outside the sun magnet wheel 1 is 20, the number of magnets 6 outside the first planetary magnet wheel 2 is 22, and the number of magnets 6 outside the second planetary magnet wheel 3 is 18.
- the number of magnets 6 outside the magnetic wheel 4 is 20.
- I -2/9.
- I ⁇ 0 means that the rotation direction of the output shaft 8 and the input shaft 7 are opposite
- ⁇ 1 means that the rotation speed of the input shaft 7 is less than the rotation speed of the output shaft 8, that is, the input shaft 7 rotates 2 revolutions, and the output shaft 8 rotates 9 revolutions.
- This embodiment realizes acceleration transmission.
- this embodiment also includes a housing 9 and a gland 10, the solar magnetic wheel 1, the first planetary magnetic wheel 2, the second planetary magnetic wheel 3, the fixed magnetic wheel 4, the planetary wheel disk 5, and the input shaft 7.
- the output shaft 8 are both arranged in the housing 9, the housing 9 is provided with a through hole for the input shaft 7 to pass through, the gland 10 is buckled on the housing 9, the gland 10 is A through hole for the output shaft 8 to pass through is provided.
- the first planetary magnetic wheel 2 and the second planetary magnetic wheel 3 are connected by a planetary shaft 11, both ends of the planetary shaft 11 are provided with a shaft connecting plate 12, the shaft connecting plate 12 It is used to connect the first planetary magnetic wheel 2 and the second planetary magnetic wheel 3 to the planetary shaft 11 respectively.
- the shaft connecting plate 12 is provided with a number of screw through holes.
- a planetary magnetic wheel 2 and a second planetary magnetic wheel 3 are provided with corresponding screw through holes, and a locking bolt is screwed into the screw through holes to connect the planet shaft 11 with the first planetary magnetic wheel 2 and the second planetary magnetic wheel 3 They are respectively fixed on the shaft connecting plate 12.
- the planetary wheel disk 5 is provided with a plurality of through holes for the planetary shaft 11 to pass through, and a plurality of the first planetary magnetic wheels 2 and the second planetary magnetic wheels 3 are uniformly and symmetrically arranged on the planetary wheel disk.
- a number of first planetary magnetic wheels 2 and second planetary magnetic wheels 3 can be set, but in order to ensure balance and stability when the planetary wheel 5 rotates, it is preferable that each first The planetary magnetic wheel 2 and the second planetary magnetic wheel 3 are evenly and symmetrically arranged on both sides of the planetary wheel disc 5.
- the gap between each of the first planetary magnet wheels 2 and the solar magnet wheel 1 is equal, and the gap between each of the second planetary magnet wheels 3 and the fixed magnet wheel 4 is equal, so that during the rotation, Ensure that each first planetary magnet wheel 2 receives the same magnetic field force from the sun magnet wheel 1, and also ensures that each second planetary magnet wheel 3 receives the same magnetic field force from the fixed magnet wheel 4, so that the planetary wheel 5 can rotate at a stable and uniform speed .
- the magnet 6 is a permanent magnet, and the magnetism will not disappear during long-term use.
Abstract
一种磁传动二级变速器，包括太阳磁轮（1）、第一行星磁轮（2）、第二行星磁轮（3）、定磁轮（4）、行星轮盘（5），太阳磁轮（1）、第一行星磁轮（2）、第二行星磁轮（3）、定磁轮（4）均包括中心轮盘，中心轮盘外周均匀嵌设有一圈磁铁（6），相邻两块磁铁（6）沿中心轮盘径向方向上外表面的磁极相反；行星轮盘（5）的两侧分别设置有若干第一行星磁轮（2）、第二行星磁轮（3），若干第一行星磁轮（2）环绕太阳磁轮（1）设置，第一行星磁轮（2）外圈与太阳磁轮（1）的外圈留有间隙，若干第二行星磁轮（3）环绕定磁轮（4）设置，第二行星磁轮（3）外圈与定磁轮（4）的外圈留有间隙，第一行星磁轮（2）和第二行星磁轮（3）连接同步转动。该磁传动二级变速器利用永磁铁传动取代现有技术中传动变速装置的机械齿轮传动方式，提供了一种新型的磁传动二级变速器。
Description
本发明涉及机械制造领域，具体涉及一种磁传动二级变速器。
变速器是一种由封闭在刚性壳体内的齿轮传动、蜗杆传动、齿轮-蜗杆传动所组成的独立部件，常用作原动件与工作机之间的减速传动装置。在原动机和工作机或执行机构之间起匹配转速和传递转矩的作用，在现代机械中应用极为广泛。变速器的目的是降低转速，增加转矩，它的种类繁多，型号各异，不同种类有不同的用途。变速器的种类繁多，按照传动类型可分为齿轮变速器、蜗杆变速器和行星齿轮变速器；按照传动级数不同可分为单级和多级变速器；按照齿轮形状可分为圆柱齿轮变速器、圆锥齿轮变速器和圆锥－圆柱齿轮变速器；按照传动的布置形式又可分为展开式、分流式和同轴式变速器。
现有的传动变速装置一般都采用机械齿轮传动，而齿轮的制造成本较高，特别是渗碳氮淬火的硬齿面工艺复杂；齿轮传动和变速是属于接触磨损传动、噪音较大、传动有效功率较低等；并且齿轮使用一段时间后，容易出现磨损、断齿等问题，其拆卸和更换过程麻烦，严重影响生产效率。
发明内容
本发明要解决的技术问题是提供一种磁传动二级变速器，利用永磁铁传动取代现有技术中传动变速装置的机械齿轮传动方式，整体结构科学合理，制作工艺简单，安装方便，传动效率高，降低了传动噪音，使用寿命长，无环境污染，市场前景广阔，便于推广使用。
为了解决上述技术问题，本发明提供了一种磁传动二级变速器，包括太阳磁轮、第一行星磁轮、第二行星磁轮、定磁轮、行星轮盘，所述太阳磁轮、第一行星磁轮、第二行星磁轮、定磁轮均包括中心轮盘，所述中心轮盘外周均匀嵌设有一圈磁铁，相邻两块磁铁沿中心轮盘径向方向上外表面的磁极相反；所述行星轮盘的两侧分别设置有若干第一行星磁轮、第二行星磁轮，若干所述第一行星磁轮环绕所述太阳磁轮设置，所述第一行星磁轮外圈与所述太阳磁轮的外圈留有间隙，所述若干所述第二行星磁轮环绕所述定磁轮设置，所述第二行星磁轮外圈与所述定磁轮的外圈留有间隙，所述第一行星磁轮和第二行星磁轮连接同步转动。
本发明一个较佳实施例中，进一步包括输入轴和输出轴，所述太阳磁轮固定套设在所述输入轴上，所述输出轴带动所述太阳磁轮转动，所述行星轮盘固定套设在所述输出轴上，所述行星轮盘带动所述输出轴转动。
本发明一个较佳实施例中，进一步包括外壳和压盖，所述太阳磁轮、第一行星磁轮、第二行星磁轮、定磁轮、行星轮盘、输入轴和输出轴均设置在所述外壳内，所述外壳上设置有供输入轴穿过的通孔，所述压盖扣合在所述外壳上，所述压盖上设置有供输出轴穿过的通孔。
本发明一个较佳实施例中，进一步包括所述第一行星磁轮、第二行星磁轮之间通过行星轴连接，所述行星轴的两端设置有轴连接板，所述轴连接板用于将所述第一行星磁轮、第二行星磁轮分别连接在所述行星轴上。
本发明一个较佳实施例中，进一步包括所述行星轮盘上开设有若干供所述行星轴穿过的通孔。
本发明一个较佳实施例中，进一步包括若干所述第一行星磁轮、第二行星磁轮均匀对称设置在所述行星轮盘的两侧。
本发明一个较佳实施例中，进一步包括各所述第一行星磁轮与太阳磁轮之 间的间隙相等，各所述第二行星磁轮与定磁轮之间的间隙相等。
本发明一个较佳实施例中，进一步包括所述磁铁为永磁体。
本发明的有益效果：
其一、本发明采用磁铁，取代现有技术中传动变速装置的机械齿轮传动方式，采用磁铁设计一种磁力线均匀分布的磁力布局，利用强磁场耦合效应，使相同两磁体轮盘在静态的磁力线和相互旋转力矩的作用下实现定速比的扭矩传动。
其二、实现非接触式磁力传动，消除了现有渐开线机械齿轮之间的磨擦力，有利于提高传动有效功率，降低传动噪音，并且无需添加润滑油和冷却剂，能减少传动装置的日常维护费用，能有效避免齿轮变速受冲击造成损坏，传动平稳可靠，提高了设备的使用寿命。
其三、整体结构科学合理，制作工艺简单，安装和操作方便，传动效率高，生产成本显著降低，具有显著的经济效益和社会效益。
图1是本发明的磁传动二级变速器的爆照结构示意图；
图2是本发明的磁传动二级变速器的侧面剖视图；
图3是本发明中太阳磁轮、第一行星磁轮、第二行星磁轮、定磁轮的磁铁分布示意图；
图4是本发明中第一行星磁轮、第二行星磁轮连接的结构示意图。
图中标号说明：1、太阳磁轮；2、第一行星磁轮；3、第二行星磁轮；4、定磁轮；5、行星轮盘；6、磁铁；7、输入轴；8、输出轴；9、外壳；10、压盖；11、行星轴；12、轴连接板。
下面结合附图和具体实施例对本发明作进一步说明，以使本领域的技术人员可以更好地理解本发明并能予以实施，但所举实施例不作为对本发明的限定。
参照图1-3所示，本发明的磁传动二级变速器的一实施例，包括太阳磁轮1、第一行星磁轮2、第二行星磁轮3、定磁轮4、行星轮盘5，所述太阳磁轮1、第一行星磁轮2、第二行星磁轮3、定磁轮4均包括中心轮盘，所述中心轮盘外周均匀嵌设有一圈磁铁6，相邻两块磁铁6沿中心轮盘径向方向上外表面的磁极相反；所述行星轮盘5的两侧分别设置有若干第一行星磁轮2、第二行星磁轮3，若干所述第一行星磁轮2环绕所述太阳磁轮1设置，所述第一行星磁轮2外圈与所述太阳磁轮1的外圈留有间隙，所述若干所述第二行星磁轮3环绕所述定磁轮4设置，所述第二行星磁轮3外圈与所述定磁轮4的外圈留有间隙，所述第一行星磁轮2和第二行星磁轮3连接同步转动。
本实施例中还包括输入轴7和输出轴8，所述太阳磁轮1固定套设在所述输入轴7上，所述输出轴8带动所述太阳磁轮1转动，所述行星轮盘5固定套设在所述输出轴8上，所述行星轮盘5带动所述输出轴8转动。
本实施例中，整体的传动过程为：所述太阳磁轮1固定套设在所述输入轴7上，所述输入轴7转动带动所述太阳磁轮1转动，所述输入轴7与所述太阳磁轮1转动的角速度相同，由于若干所述第一行星磁轮2环绕所述太阳磁轮1设置，所述太阳磁轮1在不停转动的情况下，所述太阳磁轮1外的磁场不断变化，从而带动若干第一行星磁轮2也随着太阳磁轮1不停转动，所述第一行星磁轮2和第二行星磁轮3连接同步转动，所以第二行星磁轮3在第一行星磁轮2的带动下转动，所述第二行星磁轮3与第一行星磁轮2转动的角速度相同，若干所述第二行星磁轮3环绕所述定磁轮4设置，所述定磁轮4固定设置，所述第二行星磁轮3转动使所述第二行星磁轮3外的磁场不断变换，在磁场的作用下，若干所述第二行星磁轮3围绕所述定磁轮4转动，所述第二行星磁轮3 设置在所述行星轮盘5上，所以所述第二行星磁轮3带动所述行星轮盘5转动，所述行星轮盘5固定套设在所述输出轴8上，所述行星轮盘5带动所述输出轴8转动。
本实施例中，所述输入轴7与所述输出轴8的传动比与所述太阳磁轮1、第一行星磁轮2、第二行星磁轮3、定磁轮4上设置的磁铁6数量有关，通过所述第一行星磁轮2、第二行星磁轮3外周设置的磁铁6数量不同，实现磁传动的第一级变速，所述第一行星磁轮2、第二行星磁轮3同步转动，其转动的角速度相同，设置第一行星磁轮2、第二行星磁轮3外周不同的磁铁6数量，使第一行星磁轮2、第二行星磁轮3的外径不同，在角速度相同的时候，外径不同，则其线速度就会不同；再通过设置第一行星磁轮2与太阳磁轮1和第二行星磁轮3与定磁轮4之间的磁铁6数量的不同，实现第二行星磁轮3绕定磁轮4转动相对于第一行星磁轮2绕太阳磁轮1的第二级变速。
综上所述，根据第一级变速效果和第二级变速效果，综合计算推导出输入轴与输出轴的传动比公式为：
其中：Z
1为太阳磁轮1外的磁铁6数量；
Z
2为第一行星磁轮2外的磁铁6数量；
Z
3为第二行星磁轮外3的磁铁6数量
Z
4为定磁轮4外的磁铁6数量。
在实际的使用过程中，根据公式调整太阳磁轮1、第一行星磁轮2、第二行星磁轮3、定磁轮4外周设置的磁铁6数量，能够改变传动比I,当I<0时，表示输入轴7与输出轴8的转动方向相反，当I>0时，表示输入轴7与输出轴8的转动方向相同，当0<|I|<1时，即输入轴7的转动速度小于输出轴8的转动速度，所述磁传动二级变速器加速输出，当|I|>1时，即输入轴7的转动速度 大于输出轴8的转动速度，所述磁传动二级变速器减速输出。
本实施例中，设置太阳磁轮1外的磁铁6数量为20个、第一行星磁轮2外的磁铁6数量为22个、第二行星磁轮3外的磁铁6数量为18个、定磁轮4外的磁铁6数量为20个，根据输出公式计算出I＝-2/9,本实施例中，I<0，表示输出轴8与输入轴7转动方向相反，0<|I|<1，表示输入轴7的转动速度小于输出轴8的转动速度，即输入轴7转动2圈，输出轴8转动9圈，本实施例实现了加速传动。
具体地，本实施例中还包括外壳9和压盖10，所述太阳磁轮1、第一行星磁轮2、第二行星磁轮3、定磁轮4、行星轮盘5、输入轴7和输出轴8均设置在所述外壳9内，所述外壳9上设置有供输入轴7穿过的通孔，所述压盖10扣合在所述外壳9上，所述压盖10上设置有供输出轴8穿过的通孔。
参照图4所示，所述第一行星磁轮2、第二行星磁轮3之间通过行星轴11连接，所述行星轴11的两端设置有轴连接板12，所述轴连接板12用于将所述第一行星磁轮2、第二行星磁轮3分别连接在所述行星轴11上，所述轴连接板12上设置有若干螺钉通孔，所述行星轴11上和第一行星磁轮2、第二行星磁轮3设置有与之对应的螺钉通孔，在螺钉通孔内旋入锁合螺栓将行星轴11和第一行星磁轮2、第二行星磁轮3分别固定在轴连接板12上。
具体地，所述行星轮盘5上开设有若干供所述行星轴11穿过的通孔，若干所述第一行星磁轮2、第二行星磁轮3均匀对称设置在所述行星轮盘5的两侧，根据实际的行星轮盘5的大小，可以设置若干第一行星磁轮2、第二行星磁轮3，但是为了保证行星轮盘5旋转时平衡、稳定，优选地各第一行星磁轮2、第二行星磁轮3均匀对称设置在所述行星轮盘5的两侧。
具体地，各所述第一行星磁轮2与太阳磁轮1之间的间隙相等，各所述第二行星磁轮3与定磁轮4之间的间隙相等，这样在转动的过程中，保证每一个第一行星磁轮2受到太阳磁轮1的磁场力相等，同时也保证每一个第二行星磁 轮3受到定磁轮4的磁场力相等，从而使行星轮盘5能够稳定匀速转动。
具体地，所述磁铁6为永磁体，在长期使用的过程中，磁性不会消失。
以上所述实施例仅是为充分说明本发明而所举的较佳的实施例，本发明的保护范围不限于此。本技术领域的技术人员在本发明基础上所作的等同替代或变换，均在本发明的保护范围之内。本发明的保护范围以权利要求书为准。
Claims (8)
- 一种磁传动二级变速器，其特征在于，包括太阳磁轮、第一行星磁轮、第二行星磁轮、定磁轮、行星轮盘，所述太阳磁轮、第一行星磁轮、第二行星磁轮、定磁轮均包括中心轮盘，所述中心轮盘外周均匀嵌设有一圈磁铁，相邻两块磁铁沿中心轮盘径向方向上外表面的磁极相反；所述行星轮盘的两侧分别设置有若干第一行星磁轮、第二行星磁轮，若干所述第一行星磁轮环绕所述太阳磁轮设置，所述第一行星磁轮外圈与所述太阳磁轮的外圈留有间隙，所述若干所述第二行星磁轮环绕所述定磁轮设置，所述第二行星磁轮外圈与所述定磁轮的外圈留有间隙，所述第一行星磁轮和第二行星磁轮连接同步转动。
- 如权利要求1所述的磁传动二级变速器，其特征在于，还包括输入轴和输出轴，所述太阳磁轮固定套设在所述输入轴上，所述输出轴带动所述太阳磁轮转动，所述行星轮盘固定套设在所述输出轴上，所述行星轮盘带动所述输出轴转动。
- 如权利要求2所述的磁传动二级变速器，其特征在于，还包括外壳和压盖，所述太阳磁轮、第一行星磁轮、第二行星磁轮、定磁轮、行星轮盘、输入轴和输出轴均设置在所述外壳内，所述外壳上设置有供输入轴穿过的通孔，所述压盖扣合在所述外壳上，所述压盖上设置有供输出轴穿过的通孔。
- 如权利要求1所述的磁传动二级变速器，其特征在于，所述第一行星磁轮、第二行星磁轮之间通过行星轴连接，所述行星轴的两端设置有轴连接板，所述轴连接板用于将所述第一行星磁轮、第二行星磁轮分别连接在所述行星轴上。
- 如权利要求4所述的磁传动二级变速器，其特征在于，所述行星轮盘上开设有若干供所述行星轴穿过的通孔。
- 如权利要求1所述的磁传动二级变速器，其特征在于，若干所述第一行 星磁轮、第二行星磁轮均匀对称设置在所述行星轮盘的两侧。
- 如权利要求1所述的磁传动二级变速器，其特征在于，各所述第一行星磁轮与太阳磁轮之间的间隙相等，各所述第二行星磁轮与定磁轮之间的间隙相等。
- 如权利要求1所述的磁传动二级变速器，其特征在于，所述磁铁为永磁体。
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