JP7089369B2 - 保持器付きころおよび遊星歯車支持構造 - Google Patents
保持器付きころおよび遊星歯車支持構造 Download PDFInfo
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- JP7089369B2 JP7089369B2 JP2018001389A JP2018001389A JP7089369B2 JP 7089369 B2 JP7089369 B2 JP 7089369B2 JP 2018001389 A JP2018001389 A JP 2018001389A JP 2018001389 A JP2018001389 A JP 2018001389A JP 7089369 B2 JP7089369 B2 JP 7089369B2
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- Prior art keywords
- roller
- cage
- pillar
- planetary gear
- rollers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/463—Needle bearings with one row or needles consisting of needle rollers held in a cage, i.e. subunit without race rings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the rollers
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- 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
-
- 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
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H2057/085—Bearings for orbital gears
Description
はじめに、図1を参照して、本実施の形態に係る保持器付きころ1が用いられる遊星歯車機構(プラネタリギア)100の概要について説明する。
次に、図2~図4を参照して、本実施の形態に係る保持器付きころ1について説明する。保持器付きころ1は、複数のころ2と、当該ころ2を保持する金属製の保持器3とを備える。本実施の形態のころ2は、針状ころである。保持器3は、複数の環状部30と、複数の環状部30を互いに連結する複数の柱部31とを有する。複数の環状部30は、同軸状に配置されている。複数の環状部30と柱部31とは、柱部31の周方向長さよりも細いくびれ部11によって連結されている。隣り合う柱部31の間には、ころ2を収容するためのポケット40が設けられている。ポケット40は、周方向に間隔をあけて複数設けられる。なお、以下の説明では、保持器付きころ1の中心軸に沿った方向を「軸方向」、中心軸に対して直交する方向を「径方向」、中心軸周りの円周方向を「周方向」と呼ぶ。
図9,図10を参照して、実施の形態2に係る保持器付きころ1Aについて説明する。実施の形態2に係る保持器付きころ1Aは、実施の形態1の保持器付きころ1と基本的には同様の構成を備えているが、突出部35Aおよび溝部38Aの形状において主に異なっている。また、保持器3Aに保持されるころ2Aの形状も異なっている。
図13,図14を参照して、実施の形態2に係る保持器付きころ1Bについて説明する。実施の形態2と同様に、実施の形態3に係る保持器付きころ1Bもまた、実施の形態1の保持器付きころ1と基本的には同様の構成を備えているが、突出部35Bおよび溝部38Bの形状において主に異なっている。また、保持器3Bに保持されるころ2Aの形状は、実施の形態2と同様である。
Claims (6)
- ころと、保持器と、を備える保持器付きころにおいて、
前記保持器は、複数の環状部と、前記複数の環状部を連結する複数の柱部と、隣り合う前記柱部の間に形成されたポケットと、を有し、
前記柱部は、軸方向中央部領域で相対的に径方向内側に位置する柱中央部と、軸方向端部領域で相対的に径方向外側に位置する一対の柱端部と、前記柱中央部および前記一対の柱端部の間に位置する一対の柱傾斜部とを含み、
前記一対の柱端部は、前記ポケットを構成する側壁面から前記ポケット側へと突出して前記ころと接触する突出部を含み、
前記突出部のうち前記ころと周方向に対向して前記ころを案内するころ案内面は、第1の面と、前記第1の面に連なる第2の面とを有し、
前記第1の面は、平面であり、
前記第2の面は、曲面、または、前記第1の面に対して傾斜している平面である、保持器付きころ。 - 前記第1の面と前記第2の面とが交わる境界部は、滑らかな円弧状である、請求項1に記載の保持器付きころ。
- 前記柱端部の外径面には、潤滑油を前記突出部に導くための溝部が形成されている、請求項1または2に記載の保持器付きころ。
- 前記突出部の外径面側端部と前記溝部とは、交差する位置関係となっている、請求項3に記載の保持器付きころ。
- 前記ころには、その軸方向両端部にクラウニング部が形成されており、
前記突出部は、軸方向に間隔をあけて設けられており、
前記クラウニング部は、前記第1の面または前記第2の面の傾斜平面で保持されている、請求項1~4のいずれか1項に記載の保持器付きころ。 - 内歯歯車と、前記内歯歯車の中心に配置された太陽歯車と、前記内歯歯車と前記太陽歯車に噛合する複数の遊星歯車と、前記遊星歯車を支持するキャリアとを備え、前記遊星歯車が前記キャリアに設けられたピニオン軸に転がり軸受を介して回転自在に支持された遊星歯車機構の遊星歯車支持構造において、
前記転がり軸受は、請求項1~5のいずれか1項に記載の保持器付きころである、遊星歯車支持構造。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018001389A JP7089369B2 (ja) | 2018-01-09 | 2018-01-09 | 保持器付きころおよび遊星歯車支持構造 |
KR1020207018770A KR20200105478A (ko) | 2018-01-09 | 2018-12-28 | 유지기 부착 롤러 및 유성치차 지지 구조 |
PCT/JP2018/048474 WO2019138937A1 (ja) | 2018-01-09 | 2018-12-28 | 保持器付きころおよび遊星歯車支持構造 |
US16/954,624 US11137023B2 (en) | 2018-01-09 | 2018-12-28 | Roller and cage assembly and planetary gear support structure |
CN201880085555.7A CN111566367B (zh) | 2018-01-09 | 2018-12-28 | 带有保持架的滚子及行星齿轮支承结构 |
DE112018006801.3T DE112018006801T5 (de) | 2018-01-09 | 2018-12-28 | Rollen-und-Käfig-Anordnung und Planetengetriebe-Stützstruktur |
Applications Claiming Priority (1)
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JP2018001389A JP7089369B2 (ja) | 2018-01-09 | 2018-01-09 | 保持器付きころおよび遊星歯車支持構造 |
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JP2019120353A JP2019120353A (ja) | 2019-07-22 |
JP7089369B2 true JP7089369B2 (ja) | 2022-06-22 |
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JP2018001389A Active JP7089369B2 (ja) | 2018-01-09 | 2018-01-09 | 保持器付きころおよび遊星歯車支持構造 |
Country Status (6)
Country | Link |
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US (1) | US11137023B2 (ja) |
JP (1) | JP7089369B2 (ja) |
KR (1) | KR20200105478A (ja) |
CN (1) | CN111566367B (ja) |
DE (1) | DE112018006801T5 (ja) |
WO (1) | WO2019138937A1 (ja) |
Families Citing this family (1)
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JP2023013047A (ja) * | 2021-07-15 | 2023-01-26 | Ntn株式会社 | ころ軸受用保持器およびころ軸受 |
Citations (3)
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JP2006046391A (ja) | 2004-08-02 | 2006-02-16 | Nsk Ltd | 回転支持装置 |
JP2013053698A (ja) | 2011-09-05 | 2013-03-21 | Ntn Corp | ころ軸受用保持器及びころ軸受 |
JP2014149076A (ja) | 2013-01-10 | 2014-08-21 | Nsk Ltd | ラジアルニードル軸受用保持器及びその製造方法 |
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US3494684A (en) * | 1967-04-26 | 1970-02-10 | Torrington Co | Retainer |
US3582165A (en) * | 1969-11-24 | 1971-06-01 | Roller Bearing Co Of America | Cage-and-roller combination |
JP3357735B2 (ja) * | 1993-12-15 | 2002-12-16 | 日本トムソン株式会社 | 保持器付きころ |
JPH08270658A (ja) * | 1995-01-30 | 1996-10-15 | Koyo Seiko Co Ltd | 針状ころ軸受用の保持器および針状ころ軸受 |
JP3609487B2 (ja) * | 1995-05-16 | 2005-01-12 | Ntn株式会社 | 針状ころ軸受用保持器 |
DE10126217A1 (de) * | 2001-05-30 | 2002-12-05 | Ina Schaeffler Kg | Wälzlagerkäfig |
DE10326418A1 (de) * | 2002-07-02 | 2004-01-22 | Ina-Schaeffler Kg | Wälzlagerkäfig |
JP2005214391A (ja) * | 2004-02-02 | 2005-08-11 | Nsk Ltd | ニードル軸受及び遊星歯車機構 |
JP2006207729A (ja) * | 2005-01-28 | 2006-08-10 | Ntn Corp | 無段変速機の回転軸支持構造 |
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JP6497833B2 (ja) * | 2012-10-05 | 2019-04-10 | Ntn株式会社 | 保持器付き針状ころ |
JP2015083861A (ja) * | 2013-10-25 | 2015-04-30 | 日本精工株式会社 | 針状ころ軸受用保持器及び針状ころ軸受 |
-
2018
- 2018-01-09 JP JP2018001389A patent/JP7089369B2/ja active Active
- 2018-12-28 US US16/954,624 patent/US11137023B2/en active Active
- 2018-12-28 KR KR1020207018770A patent/KR20200105478A/ko not_active Application Discontinuation
- 2018-12-28 WO PCT/JP2018/048474 patent/WO2019138937A1/ja active Application Filing
- 2018-12-28 DE DE112018006801.3T patent/DE112018006801T5/de active Pending
- 2018-12-28 CN CN201880085555.7A patent/CN111566367B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006046391A (ja) | 2004-08-02 | 2006-02-16 | Nsk Ltd | 回転支持装置 |
JP2013053698A (ja) | 2011-09-05 | 2013-03-21 | Ntn Corp | ころ軸受用保持器及びころ軸受 |
JP2014149076A (ja) | 2013-01-10 | 2014-08-21 | Nsk Ltd | ラジアルニードル軸受用保持器及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20200105478A (ko) | 2020-09-07 |
US11137023B2 (en) | 2021-10-05 |
US20200362911A1 (en) | 2020-11-19 |
DE112018006801T5 (de) | 2020-09-17 |
JP2019120353A (ja) | 2019-07-22 |
CN111566367A (zh) | 2020-08-21 |
CN111566367B (zh) | 2022-08-19 |
WO2019138937A1 (ja) | 2019-07-18 |
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