WO2013011639A1 - 歯車装置 - Google Patents
歯車装置 Download PDFInfo
- Publication number
- WO2013011639A1 WO2013011639A1 PCT/JP2012/004190 JP2012004190W WO2013011639A1 WO 2013011639 A1 WO2013011639 A1 WO 2013011639A1 JP 2012004190 W JP2012004190 W JP 2012004190W WO 2013011639 A1 WO2013011639 A1 WO 2013011639A1
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- WIPO (PCT)
- Prior art keywords
- carrier
- gear
- outer cylinder
- pin
- gear device
- Prior art date
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Classifications
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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
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/08—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and oscillating motion
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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
- 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
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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
- 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
- F16H2001/323—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 comprising eccentric crankshafts driving or driven by a gearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
- Y10T74/188—Reciprocating or oscillating to or from alternating rotary including spur gear
Definitions
- the present invention relates to a gear device having an internal pin and an external gear.
- a gear device incorporating a main bearing for supporting an external load applied to a robot member is conventionally known as an eccentric oscillating gear device for driving a member constituting a robot, that is, a robot member or the like.
- a carrier is rotatably mounted inside a cylindrical case via a pair of main bearings.
- the plurality of pin teeth are provided on the inner peripheral surface of the cylindrical case.
- the pin teeth are sandwiched between a pair of main bearings arranged in the axial direction to restrict movement in the axial direction.
- the pin teeth are pin-shaped members.
- An internal gear is comprised by arrange
- An object of the present invention is to provide a gear device that can eliminate problems such as abnormal wear caused by relative displacement between an internal tooth pin and an external gear, and can suppress an increase in the number of parts.
- a gear device is a gear device for transmitting a rotational force at a predetermined reduction ratio between a pair of counterpart members that are connected to each other so as to be relatively rotatable via a main bearing, and is one counterpart.
- An outer cylinder that can be fixed to the side member, a plurality of internal tooth pins attached along the axial direction of the outer cylinder on the inner peripheral surface of the outer cylinder, and the other counterpart member housed in the outer cylinder
- a carrier that can be fixed to the carrier, a crankshaft that is rotatably supported by the carrier, and a carrier that is supported by the carrier so as to swing in association with the rotation of the crankshaft, and can be engaged with the inner tooth pin.
- a plurality of pin grooves extending in the axial direction of the outer cylinder, and the inner tooth pins are fitted into the pin grooves.
- the pin groove has a length of the pin groove of the internal pin. Is formed to be longer than of the carrier, the inside is configured to restrict the axial movement of the gear pins and the rocking gear, characterized in that.
- FIG. 2 is an enlarged cross-sectional view showing a state in which the internal tooth pins and the swing gear of FIG. 1 are restricted from moving in the axial direction by a carrier-side pressing member.
- FIG. 3 is an enlarged cross-sectional view showing a state where the carrier-side pressing member in FIG. 1 prevents the outer cylinder from coming off. It is a section explanatory view showing a state where an outer cylinder comes off from a carrier when a retaining part is omitted from a pressing member.
- FIG. drawing shows the gear apparatus provided with the retaining ring which controls the axial direction movement of the conventional internal tooth pin which is a comparative example of this invention.
- the gear device 1 As shown in FIG. 1, the gear device 1 according to the present embodiment generates a rotational force at a predetermined reduction ratio between a base 50 and a revolving body 52 that are connected to each other so as to be relatively rotatable via a main bearing 51.
- the gear device 1 does not include the main bearing 51, and the main bearing 51 is provided between the base 50 and the swivel body 52 outside the gear device 1.
- the base 50 is included in the concept of one counterpart member, and the swivel body 52 is included in the concept of the other counterpart member.
- the gear device 1 includes an outer cylinder 2, an internal tooth pin 3, a carrier 4, a crankshaft 5, a swing gear 6, a cylinder body 8, a crankshaft gear 9, and a central gear member 10. And.
- the outer cylinder 2 is a substantially cylindrical member and functions as a case constituting the outer surface of the gear device 1.
- the outer cylinder 2 is fastened to the base 50 of the robot with bolts 22.
- a plurality of pin grooves 13 (see FIGS. 2 to 3) extending in the axial direction of the outer cylinder 2 are formed at equal intervals along the inner peripheral surface of the outer cylinder 2 on the inner peripheral surface of the outer cylinder 2. .
- Each pin groove 13 is fitted with an internal tooth pin 3.
- the internal tooth pin 3 functions as an internal tooth with which a swing gear 6 made of an external gear meshes.
- the pin groove 13 is formed such that its length L1 is longer than the length L2 of the internal tooth pin 3 (about 2 to 4 mm). Therefore, the internal pin 3 can move within the pin groove 13 within a certain play amount range (about 1 to 2 mm in the front and rear directions) inside the pin groove 13 (see FIGS. 2 to 3).
- the carrier 4 is accommodated in the outer cylinder 2 in a state of being arranged coaxially with the outer cylinder 2.
- the carrier 4 can rotate relative to the outer cylinder 2 around the same axis.
- the carrier 4 is fastened to the swivel body 52 by a plurality of bolts 21.
- the swing body 52 can swing relative to the base 50.
- the carrier 4 of the present embodiment includes a carrier body 15 and a pair of pressing members 7.
- the carrier body 15 includes a base portion 11 and an end plate portion 12.
- a housing space 33 is formed between the base 11 and the end plate 12 to house the swinging gear 6 that transmits the rotational force between the outer cylinder 2 and the carrier 4.
- the accommodation space 33 communicates with the through hole 4 a of the carrier body 15.
- the base portion 11 has a shaft portion 4 b extending in the axial direction toward the end plate portion 12.
- the shaft portion 4 b is fastened to the end plate portion 12 by a bolt 23.
- the base portion 11 and the end plate portion 12 are made of cast iron or the like.
- the pair of pressing members 7 are ring-shaped members as shown in FIGS. 1 and 2, and are respectively fitted in the recesses 15 a on the outer peripheral side surface of the carrier body 15.
- Each of the pair of pressing members 7 includes a main body portion 7a and a step portion 7b.
- the main body 7 a has a pressing surface 7 c that comes into contact with the internal tooth pin 3 and the swing gear 6.
- the pressing surfaces 7c of the pair of pressing members 7 are disposed so as to face each other.
- the pressing surface 7c abuts against the end surfaces of the internal tooth pin 3 and the swing gear 6 facing in the axial direction, so that the press surface 7c restricts the movement of the internal tooth pin 3 and the swing gear 6 in the axial direction. Is possible.
- the step portion 7 b is a portion protruding in the radial direction of the presser member 7 from the main body portion 7 a toward the outer tube 2 in order to prevent the outer tube 2 from coming off.
- the surface 7d where the stepped portions 7b face each other is disposed at a position shifted in a direction away from the internal tooth pin 3 with respect to the adjacent pressing surface 7c.
- a convex portion 2 a that protrudes inward from the inner peripheral surface of the outer cylinder 2 is inserted into a gap sandwiched between the step portions 7 b of the pair of pressing members 7.
- the inner diameter R ⁇ b> 1 of the pressing member 7 is smaller than the minimum value R ⁇ b> 2 min of the distance from the bottom 6 e of the external tooth 6 a of the swing gear 6 to the center O of the pressing member 7.
- the minimum value R2 min of the distance from the tooth bottom 6e of the external teeth 6a and the center O of the pressing member 7 of the swing gear 6, the swing gear 6 in conjunction with the rotation of the crank shaft 5 swing In this case, the distance from the tooth bottom 6e of the external tooth 6a of the rocking gear 6 to the center O of the pressing member 7 when the rocking gear 6 comes to the innermost side.
- the presser member 7 of the present embodiment is manufactured from a material that has higher finishing accuracy than the material of the carrier body 15 (such as cast iron), such as a steel material. As a result, it is possible to finish the pressing surface 7c contacting the internal tooth pin 3 and the swing gear 6 with high finishing accuracy.
- a central gear member 10 is rotatably connected to the carrier 4 through a bearing 20 inside the through hole 4 a of the carrier 4. Further, an insertion hole penetrating in the axial direction is provided in the center of the central gear member 10, and the cylindrical body 8 is inserted through the insertion hole.
- the cylinder 8 is inserted through the through hole 4 a of the carrier 4.
- the cylinder 8 extends linearly in the direction of the central axis of the carrier 4.
- a wiring cable or the like is inserted into the cylindrical body 8.
- the cylindrical body 8 prevents contact between the cable and each gear in the gear device, and prevents the lubricating oil and the like from entering the inside thereof.
- the cylinder 8 is connected to the base 50 by a bolt 27.
- a plurality of crankshafts 5 are arranged around the cylinder 8 at equal intervals.
- a crankshaft gear 9 is attached to the end of each crankshaft 5.
- Each crankshaft gear 9 meshes with the central gear member 10.
- One of the plurality of crankshaft gears 9 meshes with a drive gear D that is driven by a motor M that is a drive source.
- the other crankshaft gear 9 can receive the rotational driving force of the motor M via the central gear member 10.
- each crankshaft gear 9 can transmit the rotational driving force of the motor M to the crankshaft 5.
- Each crankshaft 5 is rotatably supported by the carrier 4 via a pair of crank bearings 16 and 19.
- the crankshaft 5 has a plurality (two in this embodiment) of eccentric portions 5a.
- the plurality of eccentric portions 5 a are arranged so as to be aligned in the axial direction at a position between the pair of crank bearings 16 and 19.
- Each eccentric portion 5a is formed in a cylindrical shape that is eccentric from the axis of the crankshaft 5 by a predetermined amount of eccentricity.
- each eccentric part 5a is formed in the crankshaft 5 so that it may have a phase difference of a predetermined angle mutually.
- each oscillating gear 6 includes an external tooth 6a that can mesh with the internal tooth pin 3, a central through hole 6b, a plurality of eccentric portion insertion holes 6c, and a plurality of eccentric teeth 6a. Shaft portion insertion hole 6d.
- the cylindrical body 8 is inserted in a state having play in the central through hole 6b.
- the number of teeth of the oscillating gear 6 (the number of external teeth 6 a) is slightly smaller than the number of internal tooth pins 3.
- the eccentric portion insertion holes 6 c are provided at equal intervals in the circumferential direction around the central through hole 6 b in the swing gear 6.
- the eccentric portions 5a of the crankshafts 5 are inserted into the eccentric portion insertion holes 6c with the roller bearings 17 and 18 interposed therebetween.
- the shaft portion insertion holes 6d are provided at equal intervals in the circumferential direction around the central through hole 6b in the swing gear 6. Each shaft portion insertion hole 6d is disposed at a position between the eccentric portion insertion holes 6c in the circumferential direction. Each shaft portion 4b of the carrier 4 is inserted into each shaft portion insertion hole 6d with play.
- the main bearing 51 is fitted to the inner peripheral surface of the base 50 and fixed by a ring-shaped lid 53 so as not to come out of the base 50.
- the lid 53 is screwed to the upper surface of the base 50 with bolts 25.
- the inner movable portion 51 a of the main bearing 51 is connected to the outer peripheral flange portion 52 b of the swing body 52 by the bolt 24.
- the base 50 and the revolving structure 52 are connected to each other via the main bearing 51 so as to be relatively rotatable.
- the eccentric portion 5a of the crankshaft 5 rotates eccentrically.
- the swing gear 6 swings and rotates while meshing with the inner tooth pin 3 on the inner surface of the outer cylinder 2 in conjunction with the eccentric rotation of the eccentric portion 5a.
- the swing rotation of the swing gear 6 is transmitted to the carrier 4 through each crankshaft 5.
- the carrier 4 and the swivel body 52 thereby rotate with respect to the outer cylinder 2 and the base 50 at a rotational speed decelerated from the input rotation. Relative rotation is possible.
- the pin groove 13 is formed such that the length L1 of the pin groove 13 formed on the inner peripheral surface of the outer cylinder 2 is longer than the length L2 of the internal tooth pin 3. .
- the carrier 4 is configured to restrict the axial movement of the internal tooth pin 3 and the swing gear 6. Specifically, both the movement of the internal tooth pin 3 and the swing gear 6 in the axial direction are restricted by the pressing surface 7c of the pressing member 7 provided on the carrier 4 side. As a result, the relative axial displacement between the internal tooth pin 3 and the swing gear 6 can be reliably prevented, and early damage due to abnormal wear or the like can be reliably prevented.
- a gear device 101 including a pair of retaining rings 107 that restrict the axial movement of the internal tooth pin 103 shown in FIGS. 5 to 7 will be described in more detail.
- Such a gear device 101 transmits a rotational force at a predetermined reduction ratio between a base 150 and a revolving body 152 that are connected to each other via a main bearing 151 so as to be relatively rotatable.
- the carrier 4 includes a carrier body 15 and a pressing member 7 disposed on the outer peripheral side surface of the carrier body 15.
- the pressing member 7 has a pressing surface 7 c that abuts on the internal tooth pin 3 and the swing gear 6 and restricts the axial movement of the internal tooth pin 3 and the swing gear 6.
- a pressing member 7 having a pressing surface 7 c that restricts the axial movement of the internal tooth pin 3 and the swing gear 6 is disposed on the outer peripheral surface of the carrier body 15. For this reason, it is easy to arrange the pressing surface 7c in contact with the internal tooth pin 3 and the rocking gear 6, and the axial displacement of the internal tooth pin 3 and the rocking gear 6 can be reliably prevented.
- the carrier 4 has a stepped portion 7 b that can restrict the outer cylinder 2 from moving in the axial direction relative to the carrier 4.
- a convex portion 2a capable of coming into contact with the stepped portion 7b is formed.
- the step 4 b (step 7 b for retaining the outer cylinder 2) formed on the holding member 7 of the carrier 4 abuts on the convex portion 2 a on the inner peripheral surface of the outer cylinder 2, so that the carrier 4 It is possible to regulate the relative axial movement of the outer cylinder 2 with respect to. Therefore, it is possible to prevent the outer cylinder 2 from falling off with a small number of parts.
- a stepped portion 7b for preventing the outer cylinder 2 from being detached is formed on the pressing member 7, but the present invention is limited to this. Instead, the retaining step 7b may be omitted. In that case, the outer cylinder 2 may be prevented from coming off by an oil seal (not shown) or the like provided on the outer peripheral surface of the carrier 4.
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Abstract
Description
(1)
本実施形態の歯車装置1では、外筒2の内周面に形成されたピン溝13の長さL1が内歯ピン3の長さL2よりも長くなるようにピン溝13が形成されている。その結果、内歯ピン3がピン溝13の内部において軸方向へ移動可能な遊びが確保され、部品の寸法誤差などによって発生する外部の主軸受51の組み付け幅のばらつきを吸収できる。また、内歯ピン3がピン溝13の軸方向端部からはみ出るおそれがないので、内歯ピン3の異常磨耗等を確実に防止することが可能である。
本実施形態の歯車装置1では、キャリア4は、キャリア本体15と、当該キャリア本体15の外周側面に配置された押え部材7とを備えている。押え部材7は、内歯ピン3および揺動歯車6に当接して当該内歯ピン3および当該揺動歯車6の軸方向の移動を規制する押え面7cを有している。この構成では、内歯ピン3および揺動歯車6の軸方向の移動を規制する押え面7cを有する押え部材7がキャリア本体15の外周面に配置された構成である。このため、押え面7cを内歯ピン3および揺動歯車6に当接して配置することが容易であり、内歯ピン3および揺動歯車6の軸方向のズレを確実に防止できる。しかも、押え部材7を変更するだけで、仕様の異なる歯車装置1にもキャリア本体15を適用することが可能であるので、キャリア本体15の共通化が可能になる。さらに、キャリア本体15と押え部材7とが個別に構成されているので、キャリア本体15の材料の選定や加工と独立して、押え部材7の材料の選定や加工が可能になる。したがって、押え面7cの面粗度の改善が容易になる。
本実施形態の歯車装置1では、キャリア4は、外筒2が当該キャリア4に対して相対的に軸方向へ移動することを規制することが可能な段部7bを有している。外筒2の内周面には、前記段部7bに当接することが可能な凸部2aが形成されている。この構成では、キャリア4の押え部材7に形成された段部7b(外筒2の抜け止め用の段部7b)が外筒2の内周面の凸部2aに当接することによって、キャリア4に対する外筒2の相対的な軸方向の移動を規制することが可能になる。そのため、少ない部品点数で外筒2の脱落を防止することが可能である。
本実施形態の歯車装置1では、図2に示されるように、押え部材7がリング状であり、しかも、押え部材7の内径R1が揺動歯車6の外歯6aの歯底6eから当該押え部材7の中心Oまでの距離の最小値R2minよりも小さくなるように設定されているので、揺動歯車6の外歯6aが押え部材7の内側角部7eに干渉する不具合を避けることが可能である。
(A)
上記実施形態の歯車装置1では、キャリア4を構成するキャリア本体15と押え部材7とが別体に構成されているが、本発明はこれに限定されるものではなく、キャリア本体15と押え部材7とを一体成形してもよい。その場合、さらに部品点数の増加を抑えることが可能である。
本実施形態の歯車装置1では、図2~3に示されるように、外筒2の抜け止め用の段部7bが押え部材7に形成されているが、本発明はこれに限定されるものではなく、抜け止め用の段部7bを省略してもよい。その場合、キャリア4の外周面に設けられたオイルシール(図示せず)などにより、外筒2の抜け止めを行うようにすればよい。
本実施形態では、図1~3に示されるように、2枚の揺動歯車6を備えた歯車装置1を例に挙げて説明しているが、本発明はこれに限定されるものではなく、揺動歯車6を1枚のみ備えた構造や3枚以上備えた構造であっても、本発明を適用することが可能である。
2 外筒
3 内歯ピン
4 キャリア
5 クランク軸
5a 偏心部
6 揺動歯車
6a 外歯
6e 歯底
7 押え部材
7b 段部
7c 押え面
13 ピン溝
50 ベース
51 主軸受
52 旋回体
Claims (4)
- 主軸受を介して相対的に回転可能に互いに連結された一対の相手側部材間で所定の減速比で回転力を伝達するための歯車装置であって、
一方の相手側部材に固定可能な外筒と、
前記外筒の内周面において当該外筒の軸方向に沿って取り付けられた複数の内歯ピンと、
前記外筒の内部に収納され、他方の相手側部材に固定可能なキャリアと、
前記キャリアに回転自在に支持されたクランク軸と、
前記クランク軸の回転に連動して揺動するように前記キャリアに支持され、前記内歯ピンと噛み合うことが可能な外歯を有する揺動歯車と、
を備え、
前記外筒の内周面には、当該外筒の軸方向に延びる複数のピン溝が形成され、前記内歯ピンは、前記ピン溝に嵌合しており、
前記ピン溝は、当該ピン溝の長さが前記内歯ピンの長さよりも長くなるように形成されており、
前記キャリアは、前記内歯ピンおよび前記揺動歯車の軸方向の移動を規制するように構成されている、
ことを特徴とする歯車装置。 - 前記キャリアは、キャリア本体と、当該キャリア本体の外周側面に配置された押え部材とを備えており、
前記押え部材は、前記内歯ピンおよび前記揺動歯車に当接して当該内歯ピンおよび当該揺動歯車の軸方向の移動を規制する押え面を有する、
請求項1に記載の歯車装置。 - 前記キャリアは、前記外筒が前記キャリアに対して相対的に軸方向へ移動することを規制することが可能な当該外筒の抜け止め用の段部を有しており、
前記外筒の内周面には、前記段部に当接することが可能な凸部が形成されている、
請求項1または2に記載の歯車装置。 - 前記押え部材は、リング状であり、
前記 押え部材の内径は、前記揺動歯車の外歯の歯底から当該押え部材の中心までの距離の最小値よりも小さくなるように設定されている、
請求項2又は3に記載の歯車装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020147003616A KR101958041B1 (ko) | 2011-07-15 | 2012-06-28 | 기어 장치 |
US14/232,036 US8900084B2 (en) | 2011-07-15 | 2012-06-28 | Gear device |
CN201280035215.6A CN103649587B (zh) | 2011-07-15 | 2012-06-28 | 齿轮装置 |
EP12815279.0A EP2733383B1 (en) | 2011-07-15 | 2012-06-28 | Gear device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011156634A JP5782321B2 (ja) | 2011-07-15 | 2011-07-15 | 歯車装置 |
JP2011-156634 | 2011-07-15 |
Publications (1)
Publication Number | Publication Date |
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WO2013011639A1 true WO2013011639A1 (ja) | 2013-01-24 |
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PCT/JP2012/004190 WO2013011639A1 (ja) | 2011-07-15 | 2012-06-28 | 歯車装置 |
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US (1) | US8900084B2 (ja) |
EP (1) | EP2733383B1 (ja) |
JP (1) | JP5782321B2 (ja) |
KR (1) | KR101958041B1 (ja) |
CN (1) | CN103649587B (ja) |
WO (1) | WO2013011639A1 (ja) |
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JP5966532B2 (ja) * | 2012-04-02 | 2016-08-10 | セイコーエプソン株式会社 | ロボット |
JP6271343B2 (ja) * | 2014-05-30 | 2018-01-31 | ナブテスコ株式会社 | 歯車装置 |
JP6376964B2 (ja) * | 2014-12-09 | 2018-08-22 | 住友重機械工業株式会社 | 減速装置のシリーズ、減速装置のシリーズの製造方法、減速装置 |
JP6542534B2 (ja) * | 2015-01-27 | 2019-07-10 | ナブテスコ株式会社 | 偏心揺動型歯車装置 |
JP6380361B2 (ja) * | 2015-12-10 | 2018-08-29 | トヨタ自動車株式会社 | 車両の動力伝達装置 |
JP6859039B2 (ja) * | 2016-07-12 | 2021-04-14 | ナブテスコ株式会社 | 歯車装置 |
KR102656380B1 (ko) * | 2021-11-29 | 2024-04-12 | 나부테스코 가부시키가이샤 | 회전 기기 |
JP7506697B2 (ja) * | 2022-01-06 | 2024-06-26 | 美的集団股▲フン▼有限公司 | 内接噛合遊星歯車装置及びロボット用関節装置 |
Citations (6)
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Publication number | Publication date |
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CN103649587B (zh) | 2016-07-06 |
JP5782321B2 (ja) | 2015-09-24 |
JP2013024258A (ja) | 2013-02-04 |
KR101958041B1 (ko) | 2019-03-13 |
US20140196554A1 (en) | 2014-07-17 |
EP2733383B1 (en) | 2017-08-09 |
EP2733383A4 (en) | 2015-04-29 |
US8900084B2 (en) | 2014-12-02 |
KR20140048255A (ko) | 2014-04-23 |
EP2733383A1 (en) | 2014-05-21 |
CN103649587A (zh) | 2014-03-19 |
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