WO2013011892A1 - 減速機付きモータ - Google Patents
減速機付きモータ Download PDFInfo
- Publication number
- WO2013011892A1 WO2013011892A1 PCT/JP2012/067690 JP2012067690W WO2013011892A1 WO 2013011892 A1 WO2013011892 A1 WO 2013011892A1 JP 2012067690 W JP2012067690 W JP 2012067690W WO 2013011892 A1 WO2013011892 A1 WO 2013011892A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- eccentric
- shaft
- eccentric disk
- motor
- speed reducer
- Prior art date
Links
Images
Classifications
-
- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H1/321—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear the orbital gear being nutating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
Definitions
- This invention relates to a motor with a speed reducer that decelerates the rotation of the rotating shaft of an electric motor by a speed reducer and outputs it from an output shaft.
- roller-type speed reducer As a roller-type speed reducer, one described in Patent Document 1 has been conventionally known.
- the input shaft and the output shaft are arranged coaxially so that the shaft end portions face each other, and a plurality of curved inner teeth are provided on the inner circumference by a housing that covers the shaft end portions of both shafts.
- the shaft end of the input shaft is provided with two eccentric discs that are rotatable in the internal gear at an interval in the axial direction
- the shaft end of the output shaft is provided with an internal gear and
- a cage is provided between the bearings press-fitted into the outer diameter surface of the eccentric disc, and the cage is provided with a plurality of pockets smaller in number than the inner teeth at the portions facing each of the two eccentric discs. Formed at equal intervals in the direction, the rolling elements made up of rollers that roll along the outer diameter surface of the bearing and successively mesh with the internal teeth of the internal gear are accommodated in the pockets.
- the rolling element when the input shaft rotates, sequentially meshes with the internal teeth of the internal gear due to the rotation of the eccentric disk, and the rolling element has the internal teeth per one rotation of the input shaft.
- the position is shifted in the circumferential direction by one tooth, and the output shaft decelerates and rotates with respect to the input shaft.
- the tooth profile of the internal teeth is set so that the rotation angle of the output shaft is in a range corresponding to one pitch of the internal gear.
- the output shaft is rotated by the rotation of the eccentric disk.At that time, all of the plurality of rolling elements are formed as a tooth profile with one curve corresponding to the curve outside the rolling element among the curves parallel to the locus drawn by the center of the rolling element. It is made to contact an internal tooth.
- an eccentric disk that sequentially meshes the rolling elements with the internal teeth of the internal gear is integrated with the input shaft and always rotates integrally. Therefore, excessive torque is suddenly applied to the input shaft.
- the rolling element may be locked between the outer surface of the bearing press-fitted into the tooth surface of the inner teeth and the outer surface of the eccentric disc, improving the reliability. The point which should be left was left.
- the first object of the present invention is to reduce the size and size of a motor with a roller speed reducer that decelerates and outputs the rotation of an electric motor with a roller speed reducer.
- the present invention comprises an electric motor and a speed reduction mechanism that decelerates and outputs the rotation of the rotating shaft of the electric motor.
- the speed reduction mechanism includes a housing and the housing.
- An output shaft having a cage rotatable between the internal gear and the eccentric disk at the shaft end, and meshed with the internal teeth of the internal gear held by the cage, and the number of teeth of the internal teeth It consists of different numbers of rolling elements, the rolling elements are sequentially meshed with the inner teeth by the rotation of the eccentric disk, and according to the difference between the number of inner teeth and the number of rolling elements per one rotation of the eccentric disk
- a motor with a speed reducer that rotates the output shaft at a reduced speed The rotating shaft of the electric motor is extended to the speed reduction mechanism side, the eccentric disk for inputting the rotation of the rotating shaft is provided on the extended shaft portion, and the housing of the electric motor and the housing of the speed reduction mechanism are made common. The configuration was adopted.
- the rotary shaft of the electric motor is extended to the speed reduction mechanism side, and the eccentric disc of the speed reducer is provided on the extended shaft portion, so that the rotary shaft of the electric motor and the input shaft of the speed reducer are coupled to each other.
- the axial length can be greatly shortened, and a small and compact motor with a reduction gear can be obtained.
- the number of parts can be reduced and the cost can be reduced.
- the eccentric disc in order to input the rotation of the rotary shaft to the eccentric disc, the eccentric disc is fitted to the rotary shaft to prevent rotation.
- the detent may be by press-fitting or by key attachment. Further, it may be by spline fitting.
- a partition that partitions the internal space of the common housing into a motor housing space and a reduction gear housing space is provided, and a bearing that rotatably supports the rotating shaft within the inner diameter surface of the shaft insertion hole formed in the partition is provided.
- the rotating shaft and the eccentric disk can be rotated with high accuracy without causing a swing.
- the eccentric disk of the motor with a speed reducer according to the first invention is supported rotatably by an input shaft, and the eccentric disk and the input shaft are
- a torque limiter mechanism is provided to transmit the rotation of the input shaft to the eccentric disk and cut off the torque transmission from the input shaft to the eccentric disk when the load torque acting on the eccentric disk exceeds the set torque.
- the eccentric disc is not loaded with a torque exceeding the set torque of the torque limiter mechanism, and the rolling elements are sequentially meshed with the internal teeth of the internal gear to reduce the rotation of the input shaft.
- the locking mechanism does not cause a locking phenomenon.
- Configuration a a configuration in which an eccentric disc is press-fitted into the input shaft with a tightening margin, and when an excessive torque is applied to the eccentric disc, a slip is generated between the press-fit surfaces of the input shaft and the eccentric disc.
- Configuration b An eccentric disc is rotatably fitted to the input shaft, a flange that is axially opposed to the eccentric disc is provided on the input shaft, and the eccentric disc is loaded with a pressing force of an elastic member.
- Configuration c An eccentric disc is rotatably fitted to the input shaft, and a wave-like ring that is waved in the circumferential direction is fitted between the fitting surfaces, and a wave portion continuous in the circumferential direction of the wave-like ring is provided. Elastic contact is made with each of the outer diameter surface of the input shaft and the inner diameter surface of the eccentric disk, and when an excessive torque is applied to the eccentric disk, slippage occurs between the wavy ring and the elastic contact surface of the input shaft or eccentric disk. Consists of such a configuration.
- a wave spring, a disc spring, a coil spring, an elastic plate made of rubber, an elastic plate made of synthetic resin, or the like can be used as the elastic member.
- an elastic member that is partially cut off in the circumferential direction such as a wave spring
- the diameter is expanded by centrifugal force, and the elastic force that presses the eccentric disk changes due to the expanded diameter, resulting in a torque limit.
- the value may change.
- an annular wall that is radially opposed to the outer diameter surface of the elastic member is provided on the contact surface with which the elastic member of the eccentric disk contacts to prevent the elastic member from expanding. It is preferable to do this.
- the rotating shaft of the electric motor is extended to the reduction mechanism side, and the eccentric shaft of the reduction mechanism is provided on the extension shaft portion, thereby achieving a small and compact reduction gear.
- a motor with a machine can be obtained.
- the housing of the electric motor and the housing of the speed reduction mechanism are made common, the number of parts can be reduced and the cost can be reduced.
- the load torque acting on the eccentric disk exceeds the set torque of the torque limiter mechanism. Since the limiter mechanism is activated and transmission of rotational torque from the input shaft to the eccentric disk can be interrupted, it is possible to prevent the occurrence of a lock phenomenon in the speed reduction mechanism that decelerates the rotation of the input shaft. A highly reliable reduction gear can be obtained.
- FIG. 1 shows a first embodiment of a motor with a reduction gear according to the present invention.
- the motor with a speed reducer includes an electric motor A and a speed reducer B that decelerates and outputs the rotation of the electric motor A, and the electric motor A and the speed reducer B share the housing 1. Has been.
- the common housing 1 has a cylindrical shape.
- the housing 1 is divided into two in the axial direction, and a first divided housing 1a and a second divided housing 1b are provided.
- a partition wall 4 is provided for partitioning the inside of the housing 1 into a motor housing space portion 2 and a reduction gear housing space portion 3, and a drive portion of the electric motor A is provided in the motor housing space portion 2.
- the speed reduction mechanism part of the speed reducer B is incorporated in the speed reducer accommodation space 3.
- the drive part of the electric motor A is provided on the stator 11 fixed to the inner diameter surface of the first divided housing 1 a, the rotor 12 that rotates in the stator 11 by energizing the stator 11, and the rotational axis of the rotor 12.
- the rotary shaft 13 rotates integrally with the rotor 12, and the rotary shaft 13 passes through the shaft insertion hole 5 formed in the partition wall 4 and is positioned in the speed reducer housing space 3.
- a bearing 6 for rotatably supporting the rotary shaft 13 is incorporated.
- a bearing with a seal having seals 6 a on both sides in the axial direction is adopted as the bearing 6, and the lubricating oil that lubricates the speed reduction mechanism portion of the speed reducer B in the speed reducer housing space portion 3 is used as the motor housing space. Leaking into the part 2 is prevented.
- the speed reducer B includes an internal gear 21 supported on the inner diameter surface of the housing 1, a pair of eccentric disks 23 that can rotate within the internal gear 21, and an eccentric disk thereof.
- the output shaft 25 is provided on the rotational axis 23.
- the internal gear 21 is integrated into the housing 1 by being incorporated into a large-diameter recess 7 formed across the inner diameter surfaces of the abutting side ends of the first divided housing 1a and the second divided housing 1b.
- a large number of internal teeth 22 are formed on the inner periphery of the internal gear 21.
- the pair of eccentric disks 23 are provided on the rotating shaft 13 of the electric motor A and are prevented from rotating. Here, when the rotation is stopped, the rotary shaft 13 is press-fitted.
- the pair of eccentric disks 23 are arranged so that the centers of the cylindrical outer diameter surfaces are shifted by 180 ° in the circumferential direction, and the bearings 24 are press-fitted into the respective outer diameter surfaces.
- a ball bearing is employed as the bearing 24.
- ⁇ shown in FIG. 2 indicates the amount of eccentricity between the center O 0 of the rotating shaft 13 and the center O 1 of the cylindrical outer diameter surface of the eccentric disk 23.
- the output shaft 25 is rotatably supported by a double row bearing 26 incorporated in the open end of the second divided housing 1b.
- a cage 27 that is rotatable between the internal gear 21 and the eccentric disc 23 is provided at an end of the output shaft 25 that faces the eccentric disc 23.
- the cage 27 is rotatable between the bearing 24 on the eccentric disc 23 and the facing portion of the internal gear 21.
- the cage 27 is cup-shaped and has a closed end, and a bearing 30 that receives the shaft end of the rotary shaft 13 is incorporated in a small-diameter hole 29 formed at the center of the closed end surface 28.
- a plurality of pockets 31 arranged at equal intervals in the circumferential direction are formed in double rows, and the pockets 31 in each row are opposed to the bearings 24 supported by the pair of eccentric disks 23 in the radial direction.
- the plurality of pockets 31 in one row and the plurality of pockets 31 in the other row are shifted by a half pitch position in the circumferential direction.
- the plurality of pockets 31 in each row is less than the number of teeth of the internal teeth 22 formed on the inner periphery of the internal gear 21, and the rolling elements 32 made of one roller are movable in the radial direction for each pocket 31. Contained.
- the rolling element 32 can mesh with the internal teeth 22 of the internal gear 21, and the inner teeth 22 with which the rolling element 32 meshes can be simultaneously contacted by the plurality of rolling elements 32 arranged in the circumferential direction. It is a tooth shape.
- an eccentric disk in which the rotation angle of the output shaft 25 is within a range corresponding to one pitch of the internal teeth 22 of the internal gear 21.
- the output shaft 25 is rotated by the rotation of the rotation shaft 23, and at this time, the tooth profile having one tooth corresponding to the curve outside the rolling element 32 among the curves parallel to the locus drawn by the center of the rolling element 32 is formed.
- the motor with a reduction gear shown in the first embodiment has the above-described configuration.
- the electric motor A When the electric motor A is driven, the rotation of the rotating shaft 13 is transmitted to the eccentric disk 23, and the eccentric disk 23 is rotated by the rotating shaft 13. Rotate with.
- the rolling element 32 sequentially meshes with the inner teeth 22 of the internal gear 21 by the rotation of the eccentric disk 23, and the rolling element 32 moves in the circumferential direction by one tooth of the inner teeth 22 per one rotation of the eccentric disk 23.
- the output shaft 25 rotates at a reduced speed.
- the reduction gear B is lubricated by the lubricating oil put in the reduction gear housing space 3.
- the electric motor A is adversely affected.
- a bearing 6 that rotatably supports the rotary shaft 13 is incorporated in the shaft insertion hole 5 of the partition wall 4 that is partitioned into the motor housing space portion 2 and the reduction gear housing space portion 3, and the bearing 6 is sealed. Since the bearings are provided, there is no inconvenience that the lubricating oil flows into the motor housing space 2.
- the rotary shaft 13 is rotatably supported at both ends sandwiching the eccentric disk 23 by the two bearings of the bearing 6 and the bearing 30 incorporated in the small diameter hole portion 29 of the cage closed end face 28.
- the shaft 13 and the eccentric disk 23 rotate with high accuracy without swinging, and no vibration or noise is generated.
- the eccentric disk 23 of the speed reducer B is provided on the rotating shaft 13 of the electric motor A so as to prevent the rotation, the rotating shaft of the electric motor and the input shaft of the speed reducer are connected by a shaft coupling. Compared to the case of connection, a motor with a reduction gear having a compact axial length can be obtained.
- the housing of the electric motor A and the housing of the speed reducer B are shared, the number of parts can be reduced and the cost can be reduced.
- the eccentric disc 23 is press-fitted into the rotating shaft 13 to prevent the eccentric disc 23 from rotating, but the rotation stop is not limited to press-fitting.
- 4 and 5 show other examples of the rotation prevention of the eccentric disk 23.
- a key groove 33 is formed on the outer diameter surface of the rotating shaft 13 and the inner diameter surface of the eccentric disk 23, and a key 34 is incorporated in the key groove 33 to prevent the eccentric disk 23 from rotating.
- the fitting of the rotating shaft 13 and the eccentric disk 23 is the fitting by the spline 35 and the eccentric disk 23 is prevented from rotating.
- FIG. 6 shows a second embodiment of the motor with a reduction gear according to the present invention.
- This embodiment is shown in the first embodiment in FIG. 1 in that an oil seal 36 is incorporated between the inner diameter surface of the shaft insertion hole 5 formed in the partition wall 4 and the outer diameter surface of the rotary shaft 13. It differs from a motor with a reduction gear. For this reason, the same components as those of the motor with a reduction gear shown in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the lubricating oil in the speed reducer housing space portion 3 is transferred to the motor housing space. Leakage into the part 2 can be prevented more reliably.
- the eccentric disks 23 of the speed reducer B are paired.
- the number of the eccentric disks is arbitrary, and may be one or two or more. Also good.
- roller type speed reducer B in which the number of rolling elements 32 is smaller than the number of inner teeth 22 of the internal gear 21 is shown, but even if the number of rolling elements 32 is larger than the number of inner teeth 22. Good.
- a pair of eccentric disks 23 are press-fitted into the rotating shaft 13 with a predetermined tightening margin, and a function (torque limiter mechanism 40) as a torque limiter is added.
- a function torque limiter mechanism 40
- the eccentric disc 23 is loaded with a torque exceeding the set torque of the torque limiter mechanism 40. Therefore, there is no inconvenience that the rolling element 32 is engaged with the tooth surface of the inner 22 and locked.
- the torque limiter mechanism 40 is shown in which the eccentric disk 23 is press-fitted to the rotating shaft 13 with a margin to cause slippage between the press-fitting surfaces.
- the torque limiter mechanism 40 is shown in FIG. It is not limited.
- FIG. 7 to 13 show other examples of the torque limiter mechanism 40.
- a pair of eccentric discs 23 are rotatably fitted to the rotary shaft 13, and an elastic member 41 is incorporated between opposing surfaces of the pair of eccentric discs 23 to form a pair of eccentricity.
- the disc 23 is urged in a direction away from each other, one eccentric disc 23 is brought into pressure contact with a flange 42 provided integrally with the rotary shaft 13, and the other eccentric disc 23 is fitted to the shaft end portion of the rotary shaft 13.
- the eccentric disk 23 and the flange 44 of the spacer 43 are prevented from moving to the shaft end side by the bearing 30.
- a slip is generated between the pressure contact surfaces of the flanges 42 and 44 so that the rotation transmission from the rotary shaft 13 to the eccentric disk 23 is blocked.
- the elastic member 41 a wave spring, a disc spring, a coil spring, an elastic plate made of rubber, an elastic plate made of synthetic resin, or the like can be adopted.
- a wave spring is employed as the elastic member 41
- a disc spring is used as the elastic member 41.
- an elastic plate made of rubber is employed as the elastic member 41.
- a pair of eccentric disks 23 are rotatably fitted to the rotating shaft 13, and the rotating shaft 13 has a flange 46 disposed between the pair of eccentric disks 23.
- Each of the pair of eccentric disks 23 is brought into pressure contact with the flange 46 by the elastic member 41 incorporated between the bearings 6 and 30, and an excessive torque is applied to each of the pair of eccentric disks 23.
- a slip is generated between the pressure contact surfaces of the eccentric disc 23 and the flange 46 so that the rotation transmission from the rotary shaft 13 to the eccentric disc 23 is blocked.
- a pair of integrated eccentric discs 23 are rotatably fitted to the rotating shaft 13, and between the fitting surfaces, as shown in FIG.
- the corrugated 4 is fitted, and the wave portion 47 a continuous in the circumferential direction of the corrugated ring 47 is brought into elastic contact with the outer diameter surface of the rotating shaft 13 and the inner diameter surface of the eccentric disc 23, respectively.
- slippage is caused on the elastic contact surfaces of the wave ring 47 and the rotary shaft 13 or the eccentric disc 23.
- a Electric motor B Reducer 1 Housing 2 Motor accommodating space 3 Reducer accommodating space 4 Bulkhead 5 Shaft insertion hole 6 Sealed bearing 13 Rotating shaft 21 Internal gear 22 Internal tooth 23 Eccentric disk 24 Bearing 25 Output shaft 27 Cage 32 Rolling element 34 Key 35 Spline 36 Oil seal 40 Torque limiter mechanism 41 Elastic members 42, 44, 46 Flange 45a Annular wall 47 Corrugated ring 47a Wave part
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
構成a;入力軸に偏心円板を締め代をもって圧入し、偏心円板に過大トルクが負荷された際に、入力軸と偏心円板の圧入面間で滑りを生じさせるようにした構成からなるもの。
構成b;入力軸に偏心円板を回転自在に嵌合し、入力軸には偏心円板と軸方向で対向するフランジを設け、上記偏心円板に弾性部材の押圧力を負荷して偏心円板をフランジに圧接させ、その偏心円板に過大トルクが負荷された際に、偏心円板とフランジの圧接面間で滑りを生じさせるようにした構成からなるもの。
構成c;入力軸に偏心円板を回転自在に嵌合し、その嵌合面間に周方向に波状とされた波状リングを嵌合して、その波状リングの周方向に連続する波部を入力軸の外径面および偏心円板の内径面それぞれに弾性接触させ、偏心円板に過大トルクが負荷された際に、波状リングと入力軸または偏心円板の弾性接触面で滑りを生じさせるようにした構成からなるもの。
B 減速機
1 ハウジング
2 モータ収容空間部
3 減速機収容空間部
4 隔壁
5 軸挿入孔
6 シール付き軸受
13 回転軸
21 内歯車
22 内歯
23 偏心円板
24 軸受
25 出力軸
27 ケージ
32 転動体
34 キー
35 スプライン
36 オイルシール
40 トルクリミッタ機構
41 弾性部材
42、44、46 フランジ
45a 環状壁
47 波状リング
47a 波部
Claims (14)
- 電動モータと、その電動モータの回転軸の回転を減速して出力する減速機構とからなり、前記減速機構が、ハウジングと、そのハウジングの内径面に支持された内歯車と、前記電動モータの回転軸の回転が入力されて前記内歯車内で回転可能な偏心円板と、その偏心円板の回転軸心と同軸上に配置され、前記内歯車と前記偏心円板との間で回転可能なケージを軸端部に有する出力軸と、前記ケージに保持されて前記内歯車の内歯に噛合し、その内歯の歯数と相違する数の転動体とからなり、前記偏心円板の回転により転動体を前記内歯に順次噛合させ、偏心円板の1回転当たりに内歯の数と転動体の数の差に応じて出力軸を減速回転させるようにした減速機付きモータにおいて、
前記電動モータの回転軸を前記減速機構側に延長し、その延長軸部上に回転軸の回転が入力される前記偏心円板を設け、前記電動モータのハウジングと前記減速機構のハウジングを共通としたことを特徴とする減速機付きモータ。 - 前記偏心円板が、前記回転軸に対して回り止めされた請求項1に記載の減速機付きモータ。
- 前記偏心円板の回り止めが、圧入による請求項2に記載の減速機付きモータ。
- 前記偏心円板の回り止めが、キーの取付けによる請求項2に記載の減速機付きモータ。
- 前記偏心円板の回り止めが、スプラインの嵌合による請求項2に記載の減速機付きモータ。
- 前記共通ハウジングの内部空間をモータ収容空間部と減速機収容空間部とに仕切る隔壁を設け、その隔壁に形成された軸挿入孔の内径面内に前記回転軸を回転自在に支持する軸受を組み込んだ請求項1乃至5のいずれか1項に記載の減速機付きモータ。
- 前記軸受がシール付き軸受からなる請求項6に記載の減速機付きモータ。
- 前記隔壁に形成された軸挿入孔の内径面と前記回転軸の外径面間にオイルシールを組み込んだ請求項6又は7に記載の減速機付きモータ。
- 前記偏心円板が入力軸に対して回転自在とされ、その偏心円板と入力軸間に、入力軸の回転を偏心円板に伝達し、偏心円板に作用する負荷トルクが設定トルクを超えた際に、入力軸から偏心円板へのトルク伝達を遮断するトルクリミッタ機構が設けられた請求項1に記載の減速装置。
- 前記トルクリミッタ機構が、前記入力軸に前記偏心円板を締め代をもって圧入し、偏心円板に過大トルクが負荷された際に、入力軸と偏心円板の圧入面間で滑りを生じさせるようにした構成からなる請求項9に記載の減速装置。
- 前記トルクリミッタ機構が、前記入力軸に前記偏心円板を回転自在に嵌合し、前記入力軸には前記偏心円板と軸方向で対向するフランジを設け、前記偏心円板に弾性部材の押圧力を負荷して偏心円板を前記フランジに圧接させ、偏心円板に過大トルクが負荷された際に、偏心円板とフランジの圧接面間で滑りを生じさせるようにした構成からなる請求項9に記載の減速装置。
- 前記弾性部材が、波ばね、皿ばね、コイルばね、ゴム製弾性板、合成樹脂製弾性板のうちの一種からなる請求項11に記載の減速装置。
- 前記偏心円板の弾性部材の接触面に、その弾性部材の外径面と径方向で対向する拡径防止用の環状壁を設けた請求項11又は12に記載の減速装置。
- 前記トルクリミッタ機構が、前記入力軸に前記偏心円板を回転自在に嵌合し、その嵌合面間に周方向に波状とされた波状リングを嵌合して、その波状リングの周方向に連続する波部を入力軸の外径面および偏心円板の内径面それぞれに弾性接触させ、偏心円板に過大トルクが負荷された際に、波状リングと入力軸または偏心円板の弾性接触面で滑りを生じさせるようにした構成からなる請求項9に記載の減速装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/232,297 US9005066B2 (en) | 2011-07-19 | 2012-07-11 | Motor assembly with speed reducer |
DE201211003027 DE112012003027T5 (de) | 2011-07-19 | 2012-07-11 | Motoranordnung mit einem Drehzahlminderer |
CN201280035358.7A CN103782491B (zh) | 2011-07-19 | 2012-07-11 | 带减速机的马达 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011158021A JP2013024291A (ja) | 2011-07-19 | 2011-07-19 | 減速装置 |
JP2011-158021 | 2011-07-19 | ||
JP2011-157937 | 2011-07-19 | ||
JP2011157937A JP2013027099A (ja) | 2011-07-19 | 2011-07-19 | 減速機付きモータ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013011892A1 true WO2013011892A1 (ja) | 2013-01-24 |
Family
ID=47558070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/067690 WO2013011892A1 (ja) | 2011-07-19 | 2012-07-11 | 減速機付きモータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US9005066B2 (ja) |
CN (1) | CN103782491B (ja) |
DE (1) | DE112012003027T5 (ja) |
WO (1) | WO2013011892A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104092330A (zh) * | 2014-06-30 | 2014-10-08 | 浙江湖州森富机电有限责任公司 | 带有手动控制装置的管状电机 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6352015B2 (ja) * | 2014-03-27 | 2018-07-04 | Ntn株式会社 | 回転伝達装置 |
CN104022597A (zh) * | 2014-05-29 | 2014-09-03 | 燕山大学 | 机电集成空间环面低速电机 |
CN104767319B (zh) * | 2015-03-11 | 2018-04-03 | 燕山大学 | 一种电磁谐波活齿传动装置 |
JP6877318B2 (ja) * | 2017-11-14 | 2021-05-26 | 住友重機械工業株式会社 | ギヤモータ |
US11815161B2 (en) * | 2018-07-13 | 2023-11-14 | Denso Corporation | Speed reducer and motor with speed reducer |
CN110185748B (zh) * | 2019-06-05 | 2022-02-22 | 南通振康机械有限公司 | 一体式机器人关节结构 |
EP4146958A4 (en) * | 2020-05-06 | 2024-01-03 | Abb Schweiz Ag | GEARBOX HOUSING AND METHOD FOR MANUFACTURING SAME |
DE102021004541A1 (de) * | 2020-09-28 | 2022-03-31 | Sew-Eurodrive Gmbh & Co Kg | Antrieb, aufweisend ein von einem Elektromotor angetriebenes Getriebe |
DE102023000623A1 (de) * | 2022-03-15 | 2023-09-21 | Sew-Eurodrive Gmbh & Co Kg | Antrieb, aufweisend ein von einem Elektromotor angetriebenes Getriebe |
WO2023174656A1 (de) * | 2022-03-15 | 2023-09-21 | Sew-Eurodrive Gmbh & Co. Kg | Antrieb, aufweisend ein von einem elektromotor angetriebenes getriebe |
DE102023000624A1 (de) * | 2022-03-15 | 2023-09-21 | Sew-Eurodrive Gmbh & Co Kg | Antrieb, aufweisend ein von einem Elektromotor angetriebenes Getriebe |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11127556A (ja) * | 1997-10-23 | 1999-05-11 | Sumitomo Heavy Ind Ltd | モータ内蔵タイプのパイプ駆動構造 |
JP2000092782A (ja) * | 1998-09-17 | 2000-03-31 | Tokai Rika Co Ltd | パワーウインド装置用モータ |
JP2002068070A (ja) * | 2000-08-31 | 2002-03-08 | Suzuki Motor Corp | 不整地走行車両の過負荷防止装置 |
JP2004019938A (ja) * | 2002-06-20 | 2004-01-22 | Kitz Corp | バルブ用アクチュエータ |
JP2004104902A (ja) * | 2002-09-09 | 2004-04-02 | Igarashi Denki Seisakusho:Kk | 小型モータ式電動アクチュエータ |
JP2007028700A (ja) * | 2005-07-12 | 2007-02-01 | Hitachi Ltd | 回転電機装置 |
JP2007303561A (ja) * | 2006-05-11 | 2007-11-22 | Sumitomo Heavy Ind Ltd | 内接噛合遊星歯車装置 |
JP2010038362A (ja) * | 2008-07-09 | 2010-02-18 | Ntn Corp | 減速装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6293565A (ja) | 1985-10-18 | 1987-04-30 | Ntn Toyo Bearing Co Ltd | 減速装置 |
US6024549A (en) * | 1999-05-06 | 2000-02-15 | Lee; Charles Matthew | Vane type rotary device |
US6422103B1 (en) * | 2000-06-26 | 2002-07-23 | New Venture Gear, Inc. | Compact front wheel drive six-speed transaxle |
CA2490103C (en) | 2002-06-20 | 2011-04-19 | Kitz Corporation | Actuator for valve |
JP5069975B2 (ja) * | 2007-08-24 | 2012-11-07 | Ntn株式会社 | インホイールモータ駆動装置 |
JP5743770B2 (ja) * | 2011-07-20 | 2015-07-01 | 住友重機械工業株式会社 | 減速機組み込み方法および偏心揺動型の減速機 |
-
2012
- 2012-07-11 CN CN201280035358.7A patent/CN103782491B/zh not_active Expired - Fee Related
- 2012-07-11 US US14/232,297 patent/US9005066B2/en not_active Expired - Fee Related
- 2012-07-11 WO PCT/JP2012/067690 patent/WO2013011892A1/ja active Application Filing
- 2012-07-11 DE DE201211003027 patent/DE112012003027T5/de not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11127556A (ja) * | 1997-10-23 | 1999-05-11 | Sumitomo Heavy Ind Ltd | モータ内蔵タイプのパイプ駆動構造 |
JP2000092782A (ja) * | 1998-09-17 | 2000-03-31 | Tokai Rika Co Ltd | パワーウインド装置用モータ |
JP2002068070A (ja) * | 2000-08-31 | 2002-03-08 | Suzuki Motor Corp | 不整地走行車両の過負荷防止装置 |
JP2004019938A (ja) * | 2002-06-20 | 2004-01-22 | Kitz Corp | バルブ用アクチュエータ |
JP2004104902A (ja) * | 2002-09-09 | 2004-04-02 | Igarashi Denki Seisakusho:Kk | 小型モータ式電動アクチュエータ |
JP2007028700A (ja) * | 2005-07-12 | 2007-02-01 | Hitachi Ltd | 回転電機装置 |
JP2007303561A (ja) * | 2006-05-11 | 2007-11-22 | Sumitomo Heavy Ind Ltd | 内接噛合遊星歯車装置 |
JP2010038362A (ja) * | 2008-07-09 | 2010-02-18 | Ntn Corp | 減速装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104092330A (zh) * | 2014-06-30 | 2014-10-08 | 浙江湖州森富机电有限责任公司 | 带有手动控制装置的管状电机 |
Also Published As
Publication number | Publication date |
---|---|
US9005066B2 (en) | 2015-04-14 |
CN103782491B (zh) | 2016-03-09 |
DE112012003027T5 (de) | 2014-05-08 |
CN103782491A (zh) | 2014-05-07 |
US20140162826A1 (en) | 2014-06-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013011892A1 (ja) | 減速機付きモータ | |
US8545357B2 (en) | Gear transmission | |
US4282777A (en) | Pancake planetary drive | |
EP2808581A1 (en) | Wheel driving apparatus | |
JP2011241974A (ja) | 減速装置 | |
JP6517041B2 (ja) | 減速装置 | |
JP2009250279A (ja) | 減速機 | |
US8460148B2 (en) | Gear set for differential | |
KR102262294B1 (ko) | 기어 전동 장치 | |
WO2018096939A1 (ja) | 電動アクチュエータ | |
JP2009287772A (ja) | 針状ころ軸受 | |
WO2016043114A1 (ja) | 電動式直動アクチュエータおよび電動式ディスクブレーキ装置 | |
JP2013024291A (ja) | 減速装置 | |
JP2013027099A (ja) | 減速機付きモータ | |
JP2017040312A (ja) | 減速装置 | |
WO2017061306A1 (ja) | 逆入力遮断クラッチ | |
JP7442364B2 (ja) | 潤滑性能を向上させた差動減速機 | |
JP2020159463A (ja) | 動力伝達装置 | |
CN217056175U (zh) | 薄型摆线减速机 | |
JP7226674B1 (ja) | ボールねじ装置 | |
JP5882966B2 (ja) | インホイールモータ駆動装置 | |
JP2012241825A (ja) | 電動式直動アクチュエータおよび電動式ディスクブレーキ装置 | |
JP3241152B2 (ja) | 2方向差動クラッチ | |
JP2008215478A (ja) | 摩擦式変速装置 | |
JP2024070029A (ja) | 減速装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201280035358.7 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12815213 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14232297 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112012003027 Country of ref document: DE Ref document number: 1120120030273 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12815213 Country of ref document: EP Kind code of ref document: A1 |