WO2019137043A1 - Système de transmission à engrenage magnétique planétaire sans bague d'engrenage - Google Patents

Système de transmission à engrenage magnétique planétaire sans bague d'engrenage Download PDF

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Publication number
WO2019137043A1
WO2019137043A1 PCT/CN2018/108530 CN2018108530W WO2019137043A1 WO 2019137043 A1 WO2019137043 A1 WO 2019137043A1 CN 2018108530 W CN2018108530 W CN 2018108530W WO 2019137043 A1 WO2019137043 A1 WO 2019137043A1
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WO
WIPO (PCT)
Prior art keywords
planetary
gear
magnetic
gears
magnetic gears
Prior art date
Application number
PCT/CN2018/108530
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English (en)
Chinese (zh)
Inventor
杨富春
王亚飞
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山东大学
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Filing date
Publication date
Application filed by 山东大学 filed Critical 山东大学
Publication of WO2019137043A1 publication Critical patent/WO2019137043A1/fr

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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
    • 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
    • F16H—GEARING
    • F16H49/00—Other gearings
    • F16H49/005—Magnetic gearings with physical contact between gears
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • 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
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/32—Gear shift yokes, e.g. shift forks

Definitions

  • the invention relates to a gearless planetary magnetic gear shifting system.
  • the transmission is a mechanism used to vary the speed and torque from the input, which changes the output shaft to input shaft ratio.
  • Conventional transmissions usually use gear transmission, and there are certain deficiencies.
  • ordinary gear transmissions will generate vibration, noise, wear and heat due to their transmission characteristics, and dust, powder, etc. will affect the lubrication performance.
  • ordinary gear transmission has certain deficiencies in terms of load carrying capacity, output torque, output efficiency, and reliability. The design of the present invention aims to improve these drawbacks of the transmission.
  • Planetary gears are widely used to improve load carrying capacity, output torque, and output efficiency. Planetary gears have some outstanding advantages compared to ordinary gear sets, such as compact structure, small size, high load carrying capacity, high gear ratio movement, high transmission efficiency, etc. With these advantages, planetary gears can effectively improve shifting instead of ordinary gears. Box performance. Planetary gears usually use 2K-H planetary transmission technology. The most typical components include several main structures such as sun gear, planetary gears, ring gear and planet carrier. In this configuration, the ring gear is an internal gear that functions to mesh with the internal gear. However, the error of the ring gear is an important factor causing the error of the planetary gear. In order to ensure the accuracy of the planetary gear operation, the inner ring gear is usually required to have higher machining precision, which increases the difficulty of production and processing.
  • the magnetic gear is a new type of gear technology. As shown in Figure 1, the movement between the drive gear and the load gear is achieved by the principle of magnet attraction. There is no mechanical contact between the magnetic gears, which reduces the vibration and noise of the transmission mechanism; the magnetic gear transmits the motion and power through the magnetic field of the magnetic material to the closed space, which increases the flexibility of the design; the magnetic gear does not need to consider the contact friction. No lubrication, no environmental protection, energy saving, and reduced maintenance costs; magnetic gears will not damage the gears when overloaded, with overload self-protection function; permanent magnet surface does not require fine mechanical processing, reducing the requirements of the production process; There will be no obvious impact during the process.
  • the invention proposes a design scheme of the gearless planetary magnetic gear shifting system, which is of great significance for the development of the planetary gear, the magnetic gear and the development of the shifting system.
  • a ringless planetary magnetic gear shifting system includes an input shaft on which an input end carrier and a plurality of sun magnetic gears are mounted, each sun magnetic gear meshing with a plurality of planetary magnetic gears and forming a a group gear set, the centers of the plurality of planetary magnetic gears in different groups and in the same direction are connected to the same planetary shaft I on the same straight line, and the planetary shaft I is connected to the output planet carrier,
  • the input planet carrier is connected to the planetary wheel shaft II, and the planetary wheel shaft II is eccentrically connected with a plurality of planetary magnetic gears located in different groups and in the same direction, and the plurality of solar magnetic gears pass through a synchronizer and
  • the lever controls its connection to the input shaft to achieve different speed outputs.
  • one end of the input shaft is mounted on the frame through a bearing, and the other end of the input shaft is mounted on the output planet carrier through a bearing.
  • the output shaft end of the output planet carrier is also mounted on the frame through a bearing.
  • two synchronizers and one lever are installed between every two solar magnetic gears, and the lever is located between the two synchronizers, and two synchronous magnetic devices are controlled by the lever to realize two solar magnetic gears. Control of the connection relationship with the input shaft.
  • the present invention enables four different gear ratio outputs, and the shifting portion is controlled by a lever and a synchronizer.
  • each set of solar magnetic gears has the same center distance as the planetary magnetic gears.
  • the number of the planetary shafts I and the planetary shafts II is the same as the number of the planetary magnetic gears in each of the gear sets.
  • a plurality of planetary gear shafts I are connected to the same output planet carrier, and a plurality of planetary gear shafts II are connected to the same input planet carrier.
  • the plurality of planetary magnetic gears are evenly distributed in the circumferential direction of their corresponding solar magnetic gears.
  • the magnetic gear portion is a magnetic gear which is uniformly alternated between N and S grades by using a permanent magnet, and is formed into an input gear and an output gear having different pairs of transmission ratios and the same center distance. Since the processing of the magnetic gear does not need to consider the modulus requirement, the appropriate number of magnetic poles (ie, the number of teeth) can be processed according to the design requirements.
  • the shifting section enables a plurality of different gear ratio outputs, and the shifting section is controlled by a lever and a synchronizer.
  • the shifting part adopts a plurality of sets of solar magnetic gears and planetary magnetic gears with different gear ratios but the same center distance, and the solar magnetic gears are not directly connected to the input shaft.
  • a plurality of shift levers of the shifting portion control the movement of the synchronizer, and the synchronizer functions to connect and disconnect the center wheel and the input shaft.
  • the lever drive synchronizer is working, the corresponding sun magnetic gear is connected to the input shaft, thereby realizing the function of outputting different gear ratios on the output planet carrier.
  • the ring gearless planetary gear maintains the original compact structure of the planetary gear, small volume, and can achieve a large transmission ratio and the like;
  • the magnetic gear does not need lubrication, avoiding the pollution of lubricating oil, clean and environmentally friendly;
  • the surface of the permanent magnet does not require fine mechanical processing, which reduces the requirements for the production process
  • Figure 1 is a structural view of a magnetic gear in the present invention
  • Figure 2 is a schematic diagram of the design of the present invention.
  • Figure 3 is a schematic view showing the structure of the present invention.
  • Figure 4 is a side view
  • the planetary magnetic gear and the central magnetic gear described in the present invention are magnetic gears which are uniformly alternated between N and S grades by using permanent magnets, as shown in FIG.
  • the prior art planetary gears usually adopt 2K-H planetary transmission technology, and the most typical components include several main structures such as a solar magnetic gear, a planetary gear, a ring gear, and a carrier.
  • the ring gear is an internal gear that functions to mesh with the internal gear.
  • the error of the ring gear is an important factor causing the error of the planetary gear.
  • the inner ring gear is usually required to have higher machining precision, which increases the difficulty of production and processing, in order to solve the above technical problems.
  • This application proposes a gearless planetary magnetic gear shifting system.
  • the present invention four pairs of input gears and output gears having different gear ratios and the same center-to-center distance are formed. Since the processing of the magnetic gear does not need to consider the modulus requirement, the appropriate number of magnetic poles (ie, the number of teeth) can be processed according to the design requirements.
  • the number of magnetic poles of the four input gears is 8, 12, 16, and 16, respectively, and the number of magnetic poles of the corresponding output gear is 16, 16, 16, and 8.
  • the gear ratio of the corresponding input gear and the output gear is 1:2, 3: 4, 1:1, 2:1.
  • the ring gearless planetary gear portion of the present invention is designed to replace the conventional 2K-H planetary gear design with a double planet carrier.
  • the principle of the ringless planetary gear is shown in Figure 2.
  • the gear S is a sun gear
  • the gear P is a planetary gear
  • K1 and K2 are two planet carriers.
  • the planetary wheel P is machined with two mounting holes for connecting the two planet carriers.
  • K1 and K2 are driven
  • K2 is used as an output planet carrier as an output
  • K1 is a support for the input planet carrier, and no external force is applied.
  • the two mounting holes of the planetary gear P are used to mount the output carrier K2, and the other is eccentric with the carrier for mounting the input carrier K1. Due to the eccentricity of the mounting hole, the center of rotation of K1 is not concentric with the sun gear S, and the eccentricity of the two is equal to the distance between the two mounting holes of the planetary gear P.
  • each sun gear needs to engage three planet wheels spaced 120 degrees apart to ensure smooth motion, that is, the planet carrier is also connected to the three planet wheels at the same time. Therefore, a hollow circle is machined at the center of the input end carrier K1 to accommodate the eccentricity during the movement and avoid interference with the input shaft.
  • the output planet carrier K2 is connected to the central position mounting hole, so K2 is the same as the input shaft rotation center.
  • Figure 3 is a view showing the positional relationship of four sets of solar magnetic gears and a planetary magnetic gear meshed therewith.
  • the solar magnetic gears are not directly connected to the input shaft, but are connected by a synchronizer.
  • the scheme controls the movement of the synchronizers a, b, c, d by the control of the lever I and the lever II, so that the four solar magnetic gears are respectively connected to the input shaft, and then the input shaft inputs a certain rotational speed through the solar magnetic field.
  • the different gear ratios of the gear and the planetary magnetic gear that it meshes with, the speed of the output carrier changes accordingly, and the speed change of the five gears is realized to implement the function of the transmission.
  • the three planetary magnetic gears in the present invention are distributed at intervals of 120 degrees to ensure the stability of motion.
  • the number of the planetary rotating shaft I10 and the planetary rotating shaft II5 is the same as the number of the planetary magnetic gears in each of the gear sets.
  • the planetary rotating shaft I and the planetary rotating shaft II each include three, and the three planetary rotating shafts I and Connected to the same output planet carrier, the three planetary axles II are connected to the same input planet carrier.
  • the lever I20 of the present invention can move left and right.
  • the synchronizer a When moving to the left, the synchronizer a is pushed to connect the sun magnetic gear A with the input shaft; when moving to the right, the synchronizer b is pushed to make the solar magnetic gear B Connected to the input shaft; in the intermediate position, synchronizers a and b automatically open and stop working.
  • the lever II16 enables control of the synchronizers c and d.
  • the center is machined with a circle for preventing interference, and the planet carrier is prevented from interfering with the input shaft.
  • the invention comprises an input shaft 1 on which an input end carrier 4 and a solar magnetic gear A21, a solar magnetic gear B18, a solar magnetic gear C17, a solar magnetic gear D14, each solar magnetic gear and three are mounted on the input shaft 1.
  • the planetary magnetic gears mesh and form a set of gear sets, four planetary magnetic gears in different groups and in the same direction (planetary magnetic gear E 6, planetary magnetic gear F 7, planetary magnetic gear G 8, planetary magnetic gear H The center of 9) is connected to the same planetary rotating shaft I10 on the same straight line.
  • the planetary rotating shaft I10 includes a total of three.
  • the three planetary rotating shafts I10 are connected to the output planetary carrier 11, and the input planetary carrier is connected to three planetary rotating shafts.
  • three planetary wheel shafts II5 are eccentric with four planetary magnetic gears (planetary magnetic gear E 6, planetary magnetic gear F 7, planetary magnetic gear G 8, planetary magnetic gear H 9) located in different groups and in the same direction
  • the connection between the plurality of solar magnetic gears A21, the solar magnetic gears B18, the solar magnetic gears C17, and the solar magnetic gears D14 is controlled by a synchronizer and a lever to control the connection with the input shaft, thereby achieving output at different speeds.
  • one end of the input shaft 1 is mounted on the frame 3 through a pair of frame bearings 2, and the other end of the input shaft is mounted on the output end carrier 11 via a bearing 12.
  • the output shaft end of the output end carrier 11 is also mounted on the frame 13 via the bearing 14; the output shaft of the output end carrier 11 is provided with a key for connection with other components.
  • two synchronizers and one lever are installed between every two solar magnetic gears, and the lever is located between the two synchronizers, and two synchronous magnetic devices are controlled by the lever to realize two solar magnetic gears.
  • Control of the connection relationship with the input shaft; the present invention includes four synchronizers and two levers.
  • the present invention enables four different gear ratio outputs, and the shifting portion is controlled by a lever and a synchronizer.
  • each set of solar magnetic gears has the same center distance as the planetary magnetic gears.
  • First gear When the transmission is in the first gear state, the toggle lever I moves to the left, and the synchronizer a is driven to connect the input shaft to the sun magnetic gear A, and the lever II is in the middle position and does not work.
  • the solar magnetic gear A drives the planetary magnetic gear E to move, and the gear ratio of the solar magnetic gear A to the planetary magnetic gear E is 1:2, and the output carrier realizes a lower speed output.
  • Second gear When the transmission is in the second gear state, the toggle lever I moves to the right, and the synchronizer b is driven to connect the input shaft to the solar magnetic gear B.
  • the lever II is in the middle position and does not work.
  • the solar magnetic gear B drives the planetary magnetic gear F to move, and the gear ratio of the solar magnetic gear B to the planetary magnetic gear F is 3:4.
  • the output speed of the second-speed output planet carrier is improved relative to the first gear.
  • Third gear When the transmission is in the third gear state, the lever I is not working in the middle position, the toggle lever II is moved to the left, and the synchronizer c is driven to connect the input shaft with the solar magnetic gear C.
  • the solar magnetic gear C drives the planet.
  • the magnetic gear G moves, and the gear ratio of the solar magnetic gear C to the planetary magnetic gear G is 1:1.
  • the output speed of the third-speed output carrier is further increased relative to the second gear.
  • the transmission realizes different transmission ratio changes through the five-speed control, and can further expand the transmission ratio change by assembling different proportions of input magnetic gears and output magnetic gears.

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

Abstract

La présente invention concerne un système de transmission à engrenage magnétique planétaire sans bague d'engrenage, comprenant une partie engrenage planétaire sans bague d'engrenage, une partie engrenage magnétique et une partie de transmission. La partie engrenage planétaire sans bague d'engrenage comprend un support planétaire d'extrémité d'entrée (4), un support planétaire d'extrémité de sortie (11), ainsi que quatre ensembles d'engrenages magnétiques solaires (E6, F7, G8, H9) et d'engrenages magnétiques planétaires (A21, B18, C17, D14), de manière à obtenir une transmission par engrenage planétaire sans bague d'engrenage ; la partie engrenage magnétique est constituée d'aimants permanents et des pôles magnétiques sont répartis de manière uniforme, de manière à obtenir une transmission par engrenage magnétique par effet d'attraction des opposés ; le système de transmission comprend des leviers (I20, II16), des synchroniseurs (a, b, c, d), un arbre d'entrée (1), et les engrenages magnétiques solaires, de telle sorte que les leviers peuvent commander le fonctionnement des synchroniseurs et l'arbre d'entrée est raccordé séparément aux quatre engrenages magnétiques solaires pour générer des rapports de transmission différents. Le système de transmission présente les avantages de permettre une protection contre les surcharges, d'être propre et écologique, d'avoir une faible exigence de traitement, un grand rapport de transmission, un procédé de transmission simple, une grande plage de transmission et des grandes possibilités d'application.
PCT/CN2018/108530 2018-01-10 2018-09-29 Système de transmission à engrenage magnétique planétaire sans bague d'engrenage WO2019137043A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810022135.6A CN108591415B (zh) 2018-01-10 2018-01-10 一种无齿圈行星磁齿轮变速系统
CN201810022135.6 2018-01-10

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WO2019137043A1 true WO2019137043A1 (fr) 2019-07-18

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WO (1) WO2019137043A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108206622B (zh) * 2018-01-10 2019-08-23 山东大学 一种电磁混合无齿圈行星齿轮变速系统

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CN205896052U (zh) * 2016-08-23 2017-01-18 合肥工业大学 弹性无回差3z行星减速器
EP3147538A1 (fr) * 2015-09-23 2017-03-29 Inovacor Ab Dispositif d'engrenage planétaire composé et ensemble chaîne de transmission
CN106949018A (zh) * 2017-04-12 2017-07-14 河海大学 一种风力机机械电磁复合主传动系统
CN108206622A (zh) * 2018-01-10 2018-06-26 山东大学 一种电磁混合无齿圈行星齿轮变速系统
CN108223722A (zh) * 2018-01-10 2018-06-29 山东大学 一种无齿圈行星轮变速系统及变速方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204041890U (zh) * 2014-09-18 2014-12-24 北京太富力传动机器有限责任公司 一种行星少齿差减速器
EP3147538A1 (fr) * 2015-09-23 2017-03-29 Inovacor Ab Dispositif d'engrenage planétaire composé et ensemble chaîne de transmission
CN205896052U (zh) * 2016-08-23 2017-01-18 合肥工业大学 弹性无回差3z行星减速器
CN106949018A (zh) * 2017-04-12 2017-07-14 河海大学 一种风力机机械电磁复合主传动系统
CN108206622A (zh) * 2018-01-10 2018-06-26 山东大学 一种电磁混合无齿圈行星齿轮变速系统
CN108223722A (zh) * 2018-01-10 2018-06-29 山东大学 一种无齿圈行星轮变速系统及变速方法

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LU101226B1 (en) 2019-11-07
LU101226A1 (en) 2019-09-30
CN108591415B (zh) 2020-01-21
CN108591415A (zh) 2018-09-28

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