WO2014064906A1 - 偏心揺動型歯車装置 - Google Patents
偏心揺動型歯車装置 Download PDFInfo
- Publication number
- WO2014064906A1 WO2014064906A1 PCT/JP2013/006149 JP2013006149W WO2014064906A1 WO 2014064906 A1 WO2014064906 A1 WO 2014064906A1 JP 2013006149 W JP2013006149 W JP 2013006149W WO 2014064906 A1 WO2014064906 A1 WO 2014064906A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- eccentric
- oil seal
- gear device
- seal cap
- outer cylinder
- Prior art date
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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
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
-
- 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
-
- 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
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
Definitions
- the present invention relates to an eccentric oscillating gear device.
- the eccentric oscillating gear device includes an outer cylinder fixed to one counterpart member, and a carrier disposed in the outer cylinder and fixed to the other counterpart member.
- the carrier has a substrate portion in which a shaft portion is integrally formed, and an end plate portion formed separately from the substrate portion.
- a swing gear attached to the eccentric part of the crankshaft is sandwiched between the substrate part and the end plate part, and in this state, the shaft part and the end plate part are fastened to each other by bolts. Then, when the swing gear rotates with the crankshaft rotating while meshing with the inner teeth of the outer cylinder, the carrier and the outer cylinder rotate relative to each other.
- the eccentric oscillating gear device uses bearings and gears, a lubricant is enclosed.
- Metal wear powder may be generated from bearings and gears, and metal foreign matter (iron, for example, industrial robots, machine tools, etc.) on the other side to which the eccentric oscillating gear device is attached Powder, wear powder, etc.) may enter the eccentric oscillating gear device. These wear powders and foreign matters may damage the bearings and gears, and in some cases, may lead to early breakage.
- An object of the present invention is to prevent damage to the eccentric oscillating gear device due to metal powder.
- An eccentric oscillating gear device is a gear device that transmits a driving force by converting a rotational speed at a predetermined rotational speed ratio between a first member and a second member, An eccentric part, a swinging gear having an insertion hole into which the eccentric part is inserted and having a tooth part, and being configured to be attachable to one of the first member and the second member, An outer cylinder having an inner tooth meshing with the tooth portion, a carrier configured to be attachable to the other of the first member and the second member, and an oil seal cap.
- a closed space for accommodating the oscillating gear is formed by the carrier and the outer cylinder.
- a communication hole communicating with the closed space is formed in one of the carrier and the outer cylinder.
- the oil seal cap is disposed in the communication hole and has ferromagnetism capable of adsorbing metal powder.
- An eccentric oscillating gear device (hereinafter referred to as a gear device) 1 is applied as a speed reducer to, for example, a revolving part of a revolving trunk or arm joint of a robot, a revolving part of various machine tools, or the like. is there.
- the gear device 1 is configured to rotate the oscillating gears 14 and 16 by rotating the eccentric portions 10a and 10b of the crankshaft 10, thereby obtaining an output rotation decelerated from the input rotation.
- relative rotation can be caused between the base of the robot (one counterpart member) and the swing drum (the other counterpart member).
- a base is illustrated as a 1st member, for example, a turning body is illustrated as a 2nd member.
- the gear device 1 includes an outer cylinder 2, a carrier 4, a plurality of (for example, three) crankshafts 10, and oscillating gears (first oscillating gear 14, second oscillating gear).
- a gear 16 a plurality of (for example, three) transmission gears 20, and an oil seal cap 30.
- the outer cylinder 2 constitutes the outer surface of the gear device 1 and has a substantially cylindrical shape.
- a large number of pin grooves 2 b are formed on the inner peripheral surface of the outer cylinder 2.
- Each pin groove 2b is disposed so as to extend in the axial direction of the outer cylinder 2, and has a semicircular cross-sectional shape in a cross section orthogonal to the axial direction.
- These pin grooves 2 b are arranged on the inner peripheral surface of the outer cylinder 2 at equal intervals in the circumferential direction.
- the outer cylinder 2 has a large number of internal tooth pins 3.
- Each internal tooth pin 3 is attached to a pin groove 2b.
- each internal tooth pin 3 is fitted in the corresponding pin groove 2 b and is arranged in a posture extending in the axial direction of the outer cylinder 2.
- the many internal tooth pins 3 are arranged at equal intervals along the circumferential direction of the outer cylinder 2.
- the first external teeth 14 a of the first oscillating gear 14 and the second external teeth 16 a of the second oscillating gear 16 are engaged with these internal tooth pins 3.
- the outer cylinder 2 is provided with a flange portion, and the flange portion is formed with an insertion hole 2a for inserting a fastener (bolt) for fixing to the base of the robot, for example.
- a fastener bolt
- 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 rotates relative to the outer cylinder 2 around the same axis.
- the carrier 4 is arranged on the radially inner side of the outer cylinder 2, and in this state, the carrier 4 can be rotated relative to the outer cylinder 2 by a pair of main bearings 6 provided to be separated from each other in the axial direction. It is supported by.
- An annular seal member 25 is provided between the outer cylinder 2 and the carrier 4.
- the carrier 4 includes a base portion 5 having a substrate portion 4a and a plurality of (for example, three) shaft portions 4c, and an end plate portion 7 formed separately from the base portion 5.
- the substrate portion 4a is disposed in the outer cylinder 2 in the vicinity of one end portion in the axial direction.
- a circular through hole 4d is provided in the central portion in the radial direction of the substrate portion 4a.
- a plurality of (for example, three) crankshaft mounting holes 4e (hereinafter simply referred to as mounting holes 4e) are provided at equal intervals in the circumferential direction (see FIG. 2).
- a fastening hole 4g for fastening an unillustrated fastener (bolt) for fixing the carrier 4 to, for example, a rotating drum of the robot is formed in the substrate portion 4a.
- the end plate portion 7 is provided to be separated from the substrate portion 4a in the axial direction, and is disposed in the outer cylinder 2 in the vicinity of the other end portion in the axial direction.
- a through hole 7 a is provided at the radial center of the end plate portion 7.
- a plurality of (for example, three) crankshaft mounting holes 7b (hereinafter simply referred to as mounting holes 7b) are provided at positions corresponding to the plurality of mounting holes 4e of the substrate portion 4a.
- a closed space S surrounded by both inner surfaces of the end plate part 7 and the substrate part 4 a facing each other and the inner peripheral surface of the outer cylinder 2 is formed. That is, the closed space S is formed by the outer cylinder 2 and the carrier 4.
- the through holes 4d and 7a and the mounting holes 4e and 7b are communication holes that allow communication between the outside and the closed space S.
- the plurality of shaft portions 4c are provided integrally with the substrate portion 4a, and linearly extend from one main surface (inner surface) of the substrate portion 4a to the end plate portion 7 side.
- the plurality of shaft portions 4c are arranged at equal intervals in the circumferential direction.
- Each shaft portion 4 c is fastened to the end plate portion 7 by a bolt 9. That is, a bolt insertion hole 7c is formed in the end plate portion 7, and a fastening hole 4f is formed in the shaft portion 4c (base portion 5) so as to extend in the axial direction from the distal end surface.
- a bolt 9 is inserted into the bolt insertion hole 7 c of the end plate portion 7 from the side opposite to the base portion 4.
- the bolt 9 is screwed into the fastening hole 4f of the shaft portion 4c.
- substrate part 4a, the shaft part 4c, and the end plate part 7 are integrated.
- the base portion 5 and the end plate portion 7 are positioned with respect to each other by a positioning pin 11.
- crankshafts 10 are arranged at equal intervals around the central through holes 4d and 7a in the outer cylinder 2.
- Each crankshaft 10 is supported by a pair of crank bearings 12a and 12b so as to be rotatable about the axis with respect to the carrier 4.
- a first crank bearing 12a is attached to one axial end portion of each crankshaft 10, and the first crank bearing 12a is attached to the attachment hole 4e of the substrate portion 4a.
- a second crank bearing 12 b is attached to a portion on the other end side in the axial direction of each crankshaft 10, and the second crank bearing 12 b is attached to the attachment hole 7 b of the end plate portion 7.
- the crankshaft 10 is rotatably supported by the board
- Each crankshaft 10 has a shaft body 10c and eccentric parts 10a and 10b formed integrally with the shaft body 10c.
- the 1st eccentric part 10a and the 2nd eccentric part 10b are arrange
- Each of the first eccentric portion 10a and the second eccentric portion 10b has a columnar shape, and both of the first eccentric portion 10a and the second eccentric portion 10b protrude radially outward from the shaft body 10c in a state of being eccentric with respect to the shaft center of the shaft body 10c.
- the first eccentric portion 10a and the second eccentric portion 10b are each eccentric from the shaft center by a predetermined eccentric amount, and are disposed so as to have a phase difference of a predetermined angle.
- the first oscillating gear 14 is disposed in the closed space S in the outer cylinder 2 and is attached to the first eccentric portion 10a of each crankshaft 10 via the first roller bearing 18a.
- the first swing gear 14 swings and rotates while meshing with the internal tooth pin 3 in conjunction with the eccentric rotation of the first eccentric portion 10a.
- the first oscillating gear 14 has a size slightly smaller than the inner diameter of the outer cylinder 2.
- the first swing gear 14 includes a first external tooth 14a, a central through hole 14b, a plurality (for example, three) of first eccentric portion insertion holes 14c, and a plurality (for example, three) of shaft portion insertion holes 14d. And have.
- the first external teeth 14 a have a wave shape that is smoothly continuous over the entire circumferential direction of the oscillating gear 14.
- the central through hole 14b is provided in the central portion in the radial direction of the first oscillating gear 14.
- the plurality of first eccentric portion insertion holes 14 c are provided at equal intervals in the circumferential direction around the central through hole 14 b in the first swing gear 14.
- the first eccentric portions 10a of the respective crankshafts 10 are inserted into the first eccentric portion insertion holes 14c with the first roller bearings 18a interposed therebetween.
- the plurality of shaft portion insertion holes 14d are provided at equal intervals in the circumferential direction around the central through hole 14b in the first swing gear 14. Each shaft portion insertion hole 14d is disposed at a position between adjacent first eccentric portion insertion holes 14c in the circumferential direction. The corresponding shaft portion 4c is inserted into each shaft portion insertion hole 14d with play.
- the second rocking gear 16 is disposed in the closed space S in the outer cylinder 2 and is attached to the second eccentric portion 10b of each crankshaft 10 via the second roller bearing 18b.
- the first oscillating gear 14 and the second oscillating gear 16 are provided side by side in the axial direction corresponding to the positions of the first eccentric portion 10a and the second eccentric portion 10b.
- the second swing gear 16 swings and rotates while meshing with the internal tooth pin 3 in conjunction with the eccentric rotation of the second eccentric portion 10b.
- the second oscillating gear 16 has a size slightly smaller than the inner diameter of the outer cylinder 2 and has the same configuration as the first oscillating gear 14. That is, the second oscillating gear 16 includes a second external tooth 16a, a central through hole 16b, a plurality of (for example, three) second eccentric portion insertion holes 16c, and a plurality of (for example, three) shaft portion insertion holes 16d. Have. These have the same structure as the first external teeth 14a, the central through hole 14b, the plurality of first eccentric portion insertion holes 14c, and the plurality of shaft portion insertion holes 14d of the first swing gear 14. The second eccentric portion 10b of the crankshaft 10 is inserted into each second eccentric portion insertion hole 16c with the second roller bearing 18b interposed therebetween.
- a transmission gear 20 is attached to one end portion of each crankshaft 10 (that is, the portion on the axially outer side of the portion attached in the attachment hole 7b of the end plate portion 7).
- Each transmission gear 20 has external teeth 20a that mesh with an input gear (not shown).
- the input gear functions as an input unit to which rotational driving force is input from a drive motor (not shown).
- Each transmission gear 20 rotates integrally with the crankshaft 10 around the same axis as the corresponding rotation axis of the crankshaft 10, and transmits the rotation of the input gear to the crankshaft 10.
- the swing gears 14 and 16 attached to the eccentric portions 10a and 10b swing while meshing with the internal tooth pin 3 as the eccentric portions 10a and 10b rotate.
- the outer cylinder 2 rotates relatively to each other.
- the oil seal cap 30 is used to enclose lubricating oil as a lubricant in the closed space S, and is a communication hole formed in the carrier 4, that is, a through hole that allows communication between the outside and the closed space S. Is arranged. Specifically, the oil seal cap 30 is fitted into the through hole 4d and the crankshaft mounting hole 4e of the substrate portion 4a.
- the oil seal cap 30 includes a disc-shaped bottom plate portion 30a and an annular cylindrical portion 30b protruding from the outer peripheral portion of the bottom plate portion 30a.
- the cylindrical portion 30b is in close contact with the inner peripheral surface of the through hole 4d or the crankshaft mounting hole 4e. Thereby, the lubricating oil sealed in the carrier 4 is prevented from leaking.
- the oil seal cap 30 has a metal rigid member 30c. For this reason, the cylindrical portion 30b is pressed against the inner peripheral surface of the through hole 4d or the crankshaft mounting hole 4e by its rigidity.
- the rigid member 30c is made of a magnetic material such as iron and magnetized. Since the rigid member 30c is magnetized, the oil seal cap 30 has ferromagnetism capable of adsorbing metal powder with magnetic force.
- the lubricant can be sealed in the closed space S by the oil seal cap 30.
- the oil seal cap 30 is configured to be capable of adsorbing the metal powder with a magnetic force. For this reason, when metal powder such as wear powder enters the through hole 4d or the crankshaft mounting hole 4e, the oil seal cap 30 can adsorb the metal powder. Therefore, it is possible to prevent the metal powder from being caught in the meshing portions of the oscillating gears 14 and 16 and from being caught in the bearing portions such as the crank bearings 12a and 12b and the roller bearings 18a and 18b. Thereby, it can prevent that the gear apparatus 1 is damaged.
- the rigid member 30c built in the oil seal cap 30 has a magnetic configuration, so that the oil seal cap 30 has a magnetic attraction function without attaching a magnet. be able to.
- the rigid member 30c incorporated in the oil seal cap 30 is magnetized.
- the oil seal cap 30 includes a cap body 30f having a shape that closes the communication hole, and an adsorbing portion 30g attached to the cap body 30f.
- the cap main body 30f has a bottom plate portion 30h and a cylindrical portion 30i.
- the cap body 30f includes a rigid member 30c made of a metal material such as iron.
- the attracting part 30g is composed of a magnet and is attached to the cap body 30f.
- the adsorption part 30g may be attached to the cap body 30f by its magnetic force, or may be attached to the cap body 30f by an adhesive or the like. In this embodiment, even if the cap body 30f is not processed, it can function as a cap that plugs the communication hole as it is. Further, since the oil seal cap 30 has a configuration in which an adsorption portion 30g made of a magnet is attached to the cap body 30f, it can have a magnetic attraction function without special processing.
- the rigid member 30c is ferromagnetic in any of the oil seal caps 30 disposed in the through hole 4d and the crankshaft mounting hole 4e.
- the present invention is not limited to this.
- only one of the oil seal caps 30 may be configured to be able to adsorb the metal powder with a magnetic force.
- the oil seal cap 30 is disposed in the through hole 4d and the crankshaft mounting hole 4e of the substrate portion 4a.
- the oil seal cap 30 may be disposed in the through hole 7 a of the end plate portion 7.
- the oil seal cap 30 may be disposed in the mounting hole 7b of the end plate portion 7.
- the oil seal cap 30 may be disposed in the communication hole.
- the two oscillating gears 14 and 16 are provided.
- the present invention is not limited to this.
- a configuration in which one oscillating gear is provided or a configuration in which three or more oscillating gears are provided may be employed.
- the plurality of crankshafts 10 are arranged around the central through holes 4d and 7a.
- the present invention is not limited to this.
- a single crankshaft 10 may be a center crank type in which the carrier 4 is disposed in the center in the radial direction.
- the lubricant can be sealed in the closed space by the oil seal cap. Further, since the oil seal cap is configured so that the metal powder can be adsorbed by a magnetic force, the oil seal cap can adsorb the metal powder when the metal powder enters the communication hole. Therefore, it is possible to prevent the metal powder from being caught in the meshing portion of the gear or from being caught in the bearing portion, thereby preventing the eccentric oscillating gear device from being damaged.
- the oil seal cap may include a cap body that closes the communication hole, and a suction portion that is configured of a magnet and attached to the cap body.
- the cap body even if the cap body is not processed, it can function as a cap that plugs the communication hole as it is.
- the oil seal cap has a structure in which a suction part made of a magnet is attached to the cap body. For this reason, a magnetic attraction function can be given without performing special processing.
- the oil seal cap has a metal member, and the metal member may be magnetized.
- the oil seal cap can have a magnetic attraction function without attaching a magnet.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
Claims (3)
- 第1の部材と第2の部材との間で所定の回転数比で回転数を変換して駆動力を伝達する歯車装置であって、
偏心部と、
前記偏心部が挿入される挿通孔を有すると共に歯部を有する揺動歯車と、
前記第1の部材及び前記第2の部材の一方に取り付け可能に構成され、前記揺動歯車の前記歯部と噛み合う内歯を有する外筒と、
前記第1の部材及び前記第2の部材の他方に取り付け可能に構成されるキャリアと、
オイルシールキャップと、を備え、
前記キャリア及び前記外筒により、前記揺動歯車を収容する閉空間が形成され、
前記キャリア及び前記外筒の一方には、前記閉空間に連通する連通孔が形成され、
前記オイルシールキャップは、前記連通孔に配置されるとともに、金属粉を吸着可能な強磁性を有している偏心揺動型歯車装置。 - 請求項1に記載の偏心揺動型歯車装置において、
前記オイルシールキャップは、前記連通孔を塞ぐ形状のキャップ本体と、磁石によって構成され、前記キャップ本体に取り付けられた吸着部とを有する偏心揺動型歯車装置。 - 請求項1に記載の偏心揺動型歯車装置において、
前記オイルシールキャップは、金属部材を有しており、前記金属部材は磁気を帯びている偏心揺動型歯車装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112013005136.2T DE112013005136T5 (de) | 2012-10-24 | 2013-10-16 | Getriebevorrichtung mit exzentrischer Schwingung |
CN201380055725.4A CN104755802A (zh) | 2012-10-24 | 2013-10-16 | 偏心摆动型齿轮装置 |
KR1020157009938A KR20150079607A (ko) | 2012-10-24 | 2013-10-16 | 편심 요동형 기어 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-234764 | 2012-10-24 | ||
JP2012234764A JP2014084951A (ja) | 2012-10-24 | 2012-10-24 | 偏心揺動型歯車装置 |
Publications (1)
Publication Number | Publication Date |
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WO2014064906A1 true WO2014064906A1 (ja) | 2014-05-01 |
Family
ID=50544291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2013/006149 WO2014064906A1 (ja) | 2012-10-24 | 2013-10-16 | 偏心揺動型歯車装置 |
Country Status (5)
Country | Link |
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JP (1) | JP2014084951A (ja) |
KR (1) | KR20150079607A (ja) |
CN (1) | CN104755802A (ja) |
DE (1) | DE112013005136T5 (ja) |
WO (1) | WO2014064906A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160298731A1 (en) * | 2015-04-13 | 2016-10-13 | Nabtesco Corporation | Oil seal cap and eccentric oscillation-type gear device including the same |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6399951B2 (ja) * | 2015-03-05 | 2018-10-03 | 住友重機械工業株式会社 | 駆動装置 |
JP6624938B2 (ja) * | 2016-01-13 | 2019-12-25 | ナブテスコ株式会社 | ギア装置及び出力ギア板 |
JP6758845B2 (ja) * | 2016-02-12 | 2020-09-23 | 住友重機械工業株式会社 | 偏心揺動型の歯車装置 |
JP6767290B2 (ja) * | 2017-03-10 | 2020-10-14 | 住友重機械工業株式会社 | 遊星歯車装置 |
JP7220553B2 (ja) * | 2018-11-30 | 2023-02-10 | ナブテスコ株式会社 | 産業機械の回転機構、減速機、産業機械および駆動装置 |
CN112923019B (zh) * | 2019-12-05 | 2022-10-28 | 上银科技股份有限公司 | 谐波减速机装置 |
CN113700802A (zh) * | 2021-08-16 | 2021-11-26 | 珠海格力电器股份有限公司 | 一种曲柄组件、减速器和机器人 |
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JP2000096617A (ja) * | 1998-09-22 | 2000-04-04 | Hitachi Constr Mach Co Ltd | 減速装置 |
JP2006038085A (ja) * | 2004-07-27 | 2006-02-09 | Nsk Ltd | 密封装置 |
JP2010014177A (ja) * | 2008-07-02 | 2010-01-21 | Nabtesco Corp | 偏心揺動型歯車伝動装置 |
JP2010121701A (ja) * | 2008-11-19 | 2010-06-03 | Ntn Corp | インホイールモータ駆動装置 |
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CN2102405U (zh) * | 1991-04-25 | 1992-04-22 | 郭镇关 | 一种机油润滑的卧式减速箱 |
WO2009081793A1 (ja) * | 2007-12-21 | 2009-07-02 | Sumitomo Heavy Industries, Ltd. | 減速機 |
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2012
- 2012-10-24 JP JP2012234764A patent/JP2014084951A/ja active Pending
-
2013
- 2013-10-16 CN CN201380055725.4A patent/CN104755802A/zh active Pending
- 2013-10-16 DE DE112013005136.2T patent/DE112013005136T5/de not_active Withdrawn
- 2013-10-16 WO PCT/JP2013/006149 patent/WO2014064906A1/ja active Application Filing
- 2013-10-16 KR KR1020157009938A patent/KR20150079607A/ko not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS445843Y1 (ja) * | 1965-03-29 | 1969-03-03 | ||
JPS61198753U (ja) * | 1985-06-03 | 1986-12-12 | ||
JP2000096617A (ja) * | 1998-09-22 | 2000-04-04 | Hitachi Constr Mach Co Ltd | 減速装置 |
JP2006038085A (ja) * | 2004-07-27 | 2006-02-09 | Nsk Ltd | 密封装置 |
JP2010014177A (ja) * | 2008-07-02 | 2010-01-21 | Nabtesco Corp | 偏心揺動型歯車伝動装置 |
JP2010121701A (ja) * | 2008-11-19 | 2010-06-03 | Ntn Corp | インホイールモータ駆動装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160298731A1 (en) * | 2015-04-13 | 2016-10-13 | Nabtesco Corporation | Oil seal cap and eccentric oscillation-type gear device including the same |
US9695911B2 (en) * | 2015-04-13 | 2017-07-04 | Nabtesco Corporation | Oil seal cap and eccentric oscillation-type gear device including the same |
Also Published As
Publication number | Publication date |
---|---|
CN104755802A (zh) | 2015-07-01 |
JP2014084951A (ja) | 2014-05-12 |
KR20150079607A (ko) | 2015-07-08 |
DE112013005136T5 (de) | 2015-07-16 |
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