JP2005180640A - 等速自在継手 - Google Patents
等速自在継手 Download PDFInfo
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- JP2005180640A JP2005180640A JP2003425109A JP2003425109A JP2005180640A JP 2005180640 A JP2005180640 A JP 2005180640A JP 2003425109 A JP2003425109 A JP 2003425109A JP 2003425109 A JP2003425109 A JP 2003425109A JP 2005180640 A JP2005180640 A JP 2005180640A
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- Prior art keywords
- roller
- joint member
- axial
- constant velocity
- outer roller
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/202—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
- F16D3/205—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
- F16D3/2055—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part having three pins, i.e. true tripod joints
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/202—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
- F16D3/205—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints the pins extending radially outwardly from the coupling part
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/202—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
- F16D2003/2023—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints with linear rolling bearings between raceway and trunnion mounted shoes
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/202—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints
- F16D2003/2026—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members one coupling part having radially projecting pins, e.g. tripod joints with trunnion rings, i.e. with tripod joints having rollers supported by a ring on the trunnion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Steering Controls (AREA)
- Prostheses (AREA)
Abstract
【解決手段】 ダブルローラタイプのローラユニット15を備えた等速自在継手10において、アウタローラ18の径方向外側面に円筒面18aを形成し、外側継手部材12のガイド溝24に上記円筒面18aと係合する平側面24aを形成し、円筒面18aを下記式1、2を満たすようにする。
(式1)W1>PCR(1−cosθ)/2+μ3R3+μ2R1
(式2)W2>3PCR(1−cosθ)/2−μ3R3+μ2R1
W1、W2は、円筒面18aの中心から軸方両端部までの長さ、PCRは、内側継手部材14の軸心から脚軸30の凸球面30aの中心までの距離、θは要求される最大ジョイント角度、R1は円筒面18aの半径、R3は凹球面16aの半径、μ2はインナローラ16とニードルローラ32との間の摩擦係数、μ3は凸球面30aと凹球面16aとの間の摩擦係数
【選択図】 図1
Description
である。
(式3) スラスト力=−(Rk+Ra+Rb)
(式4) My=Rk・d1−(Ra+Rb)・d2=0
d1、d2は、X軸方向におけるインナローラの軸心からK点、A点(B点)までの長さ
(式1)W1>PCR(1−cosθ)/2+μ3R3+μ2R1
(式2)W2>3PCR(1−cosθ)/2−μ3R3+μ2R1
W1は、円筒面の軸方向中心から外側継手部材外周側端部までの軸方向長さ、W2は、円筒面の軸方向中心から外側継手部材中心側端部までの軸方向長さ、PCRは、内側継手部材の軸心から脚軸の凸球面の中心までの距離、θは要求される最大ジョイント角度、R1はアウタローラの円筒面の半径、R3はインナローラの凹球面の半径、μ2はインナローラがアウタローラに対して軸心方向に相対移動する際の摩擦係数、μ3は脚軸の凸球面とインナローラの凹球面との間の摩擦係数
(式1)W1>PCR(1−cosθ)/2+μ3R3+μ2R1
(式2)W2>3PCR(1−cosθ)/2−μ3R3+μ2R1
ここで、W1は、円筒面18aの軸方向中心から外側継手部材外周側端部までの軸方向長さ、W2は、円筒面18aの軸方向中心から外側継手部材中心側端部までの軸方向長さ、PCRは、内側継手部材14の軸心から脚軸30の凸球面30aの中心までの距離、θは要求される最大ジョイント角度、R1はアウタローラ18の円筒面18aの半径、R3はインナローラ16の凹球面16aの半径、μ2はインナローラ16とニードルローラ32との間の摩擦係数、μ3は脚軸30の凸球面30aとインナローラ16の凹球面16aとの間の摩擦係数
(式5) D(θ)+L+S
(式6) D(θ)=PCR(1−cosθ)/2
(式7) L=R3・sinγ
式7において、R3はインナローラ16の凹球面16aの半径である。
また、γは非常に小さいことから、sinγ≒tanγと考えることができ、tanγは、接点CにおけるY軸方向の力の釣り合いを示す式8から求めることができる。
(式8) F・tanγ=fv・cosγ+fi
式8において、Fは脚軸30が回転させられることによって脚軸30からインナローラ16に加えられる荷重、fvは接点Cの移動により生じる摩擦力、fiはニードルローラ32とインナローラ16との間の摩擦力である。
インナローラ16とニードルローラ32との間の摩擦係数をμ2、脚軸30の凸球面30aとインナローラ16の凹球面16aとの間の摩擦係数をμ3とすると、fv、fiは、それぞれ、式9、式10のように表される。
(式9) fv=μ3・F/cosγ
(式10) fi=μ2・F
この式9、式10を式8に代入して変形すると、式11が得られる。
(式11) tanγ(≒sinγ)=μ3+μ2
従って、脚軸接点移動量Lは、式12のように表すことができる。
(式12) L=R3・sinγ=R3(μ3+μ2)
(式13)
Mz=−(R1−R3)×(F・tanγ−fv・cosγ)+F×S=0
図4から式14が示されるので、式13は式15のように変形することができる。
(式14) F・tanγ−fv・cosγ=fi
(式15) −(R1−R3)×(fi)+F×S=0
さらに、式15に前記式10を代入すると式16が得られる。
(式16) −(R1−R3)×μ2・F+F×S=0
式16を変形することにより式17が得られる。
(式17) S=μ2(R1−R3)
(式18) PCR(1−cosθ)/2+μ3R3+μ2R1
(式19) D(θ)−L+S
(式20) D(θ)=3PCR(1−cosθ)/2
(式7) L=R3・sinγ
また、γは非常に小さいことから、sinγ≒tanγと考えることができ、tanγは、接点CにおけるY軸方向の力の釣り合いを示す式21から求めることができる。
(式21) F・tanγ=fv・cosγ−fi
式21に前記式9、式10を代入して変形すると、式22が得られる。
(式22) tanγ(≒sinγ)=μ3−μ2
従って、脚軸接点移動量Lは、式23のように表すことができる。
(式23) L=R3・sinγ=R3(μ3−μ2)
(式24)
Mz=−(R1−R3)×(F・tanγ−fv・cosγ)−F×S=0
前記式14を用いると、この式24は式25のように変形することができる。
(式25) −(R1−R3)×(−fi)−F×S=0
さらに、式25に前記式10を代入すると式26が得られる。
(式26) (R1−R3)×μ2・F+F×S=0
式26を変形することにより式27が得られる。
(式27) S=μ2(R1−R3)
(式28) 3PCR(1−cosθ)/2−μ3R3+μ2R1
Claims (4)
- 内周面に軸方向のガイド溝が複数形成されるとともに、第1の軸に結合された中空の外側継手部材と、
第2の軸に結合されるとともに、該外側継手部材に収容される内側継手部材と、
該内側継手部材に設けられ、前記第2の軸の径方向に突き出し、先端部に凸球面が形成されている複数の脚軸と、
内周面に該脚軸の凸球面と係合する凹球面が形成されたインナローラと、前記外側継手部材のガイド溝に摺動可能に収容されるアウタローラとが転動体を介して互いに軸心方向に相対移動可能とされたローラユニットとを備え、
前記脚軸と前記インナローラとが互いに揺動可能とされている等速自在継手であって、
前記アウタローラの径方向外側面に円筒面が形成され、
前記外側継手部材のガイド溝の側面において該アウタローラの円筒面と係合する係合面が平面に形成され、
該アウタローラの円筒面が、以下の2式を満たすことを特徴とする等速自在継手。
(式1)W1>PCR(1−cosθ)/2+μ3R3+μ2R1
(式2)W2>3PCR(1−cosθ)/2−μ3R3+μ2R1
W1は、円筒面の軸方向中心から外側継手部材外周側端部までの軸方向長さ、W2は、円筒面の軸方向中心から外側継手部材中心側端部までの軸方向長さ、PCRは、内側継手部材の軸心から脚軸の凸球面の中心までの距離、θは要求される最大ジョイント角度、R1はアウタローラの円筒面の半径、R3はインナローラの凹球面の半径、μ2はインナローラがアウタローラに対して軸心方向に相対移動する際の摩擦係数、μ3は脚軸の凸球面とインナローラの凹球面との間の摩擦係数 - 前記アウタローラの円筒面の軸方向両側に、端部に向かって縮径するテーパ面が形成され、
前記ガイド溝の側面において、該アウタローラのテーパ面に対向する部分にも該アウタローラの軸方向両側に向かうほどアウタローラの軸心と外側継手部材の軸心とを含む平面に近づくテーパ面が形成されていることを特徴とする請求項1の等速自在継手。 - 前記アウタローラの円筒面の軸方向両側に曲面状の面取りが形成され、
前記ガイド溝の側面において該アウタローラの面取りに対向する部分に、凹曲面が形成されていることを特徴とする請求項1の等速自在継手。 - 前記アウタローラの円筒面の軸方向両側に、端部に向かって縮径するテーパ面が形成され、
前記ガイド溝の側面において該アウタローラのテーパ面に対向する部分に、外側継手部材内側に突き出す凸曲面が形成されていることを特徴とする請求項1の等速自在継手。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003425109A JP4147179B2 (ja) | 2003-12-22 | 2003-12-22 | 等速自在継手 |
PCT/IB2004/004048 WO2005064175A1 (en) | 2003-12-22 | 2004-12-09 | Constant velocity universal joint |
DE602004012607T DE602004012607T2 (de) | 2003-12-22 | 2004-12-09 | Homokinetisches kreuzgelenk |
EP04806323A EP1697649B1 (en) | 2003-12-22 | 2004-12-09 | Constant velocity universal joint |
US10/549,565 US20070066405A1 (en) | 2003-12-22 | 2004-12-09 | Constant velocity universal joint |
CNB2004800092366A CN100395461C (zh) | 2003-12-22 | 2004-12-09 | 等速万向节 |
US12/277,993 US8029372B2 (en) | 2003-12-22 | 2008-11-25 | Constant velocity universal joint |
US12/340,264 US20090197687A1 (en) | 2003-12-22 | 2008-12-19 | Constant velocity universal joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003425109A JP4147179B2 (ja) | 2003-12-22 | 2003-12-22 | 等速自在継手 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005180640A true JP2005180640A (ja) | 2005-07-07 |
JP4147179B2 JP4147179B2 (ja) | 2008-09-10 |
Family
ID=34736234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003425109A Expired - Fee Related JP4147179B2 (ja) | 2003-12-22 | 2003-12-22 | 等速自在継手 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070066405A1 (ja) |
EP (1) | EP1697649B1 (ja) |
JP (1) | JP4147179B2 (ja) |
CN (1) | CN100395461C (ja) |
DE (1) | DE602004012607T2 (ja) |
WO (1) | WO2005064175A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019059204A1 (ja) * | 2017-09-19 | 2019-03-28 | Ntn株式会社 | トリポード型等速自在継手 |
JP2019052744A (ja) * | 2017-09-19 | 2019-04-04 | Ntn株式会社 | トリポード型等速自在継手 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7819752B2 (en) * | 2007-05-17 | 2010-10-26 | Hyundai Wia Corporation | Constant velocity joint of tripod type |
US7878914B2 (en) * | 2007-05-17 | 2011-02-01 | Hyundai Wia Corporation | Constant velocity joint of tripod type |
US8025575B2 (en) * | 2007-05-17 | 2011-09-27 | Hyundai Wia Corporation | Constant velocity joint of tripod type |
US8251827B2 (en) * | 2007-11-29 | 2012-08-28 | Hyundai Wia Corporation | Constant velocity joint of tripod type |
GB0919202D0 (en) * | 2009-11-03 | 2009-12-16 | Rolls Royce Plc | A male or female element for a conic coupling |
DE102010053480A1 (de) * | 2010-12-04 | 2012-06-06 | Volkswagen Ag | Tripode-Rollelement mit Federring |
CN102128214B (zh) * | 2010-12-31 | 2012-12-19 | 温州市冠盛汽车零部件集团股份有限公司 | 双联式可轴向滑移万向节 |
CN103335028A (zh) * | 2013-05-31 | 2013-10-02 | 浙江嘉盛汽车部件制造有限公司 | 三球销总成 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5256107A (en) * | 1990-02-08 | 1993-10-26 | Toyota Jidosha Kabushiki Kaisha | Sliding type constant velocity universal joint having regulating device for maintaining position of roller constant |
US5171185A (en) * | 1991-07-23 | 1992-12-15 | Gkn Automotive, Inc. | Telescopic tripod universal joint |
GB9513575D0 (en) * | 1995-07-04 | 1995-09-06 | Gkn Technology Ltd | Tripode type constant velocity ratio universal joints |
DE19544174C2 (de) * | 1995-11-14 | 2003-04-17 | Ina Schaeffler Kg | Tripode-Gleichlaufdrehgelenk |
JP4097240B2 (ja) * | 1998-10-26 | 2008-06-11 | 株式会社バンダイナムコゲームス | ゲームシステム及び情報記憶媒体 |
FR2785342B1 (fr) * | 1998-11-02 | 2002-05-10 | Ntn Toyo Bearing Co Ltd | Joint homocinetique universel |
AU2001230378A1 (en) * | 2000-02-04 | 2001-08-14 | Gkn Technology Limited | Tripode constant velocity joint |
JP4109425B2 (ja) * | 2001-01-19 | 2008-07-02 | 本田技研工業株式会社 | 等速ジョイント |
-
2003
- 2003-12-22 JP JP2003425109A patent/JP4147179B2/ja not_active Expired - Fee Related
-
2004
- 2004-12-09 CN CNB2004800092366A patent/CN100395461C/zh not_active Expired - Fee Related
- 2004-12-09 WO PCT/IB2004/004048 patent/WO2005064175A1/en active IP Right Grant
- 2004-12-09 US US10/549,565 patent/US20070066405A1/en not_active Abandoned
- 2004-12-09 EP EP04806323A patent/EP1697649B1/en not_active Not-in-force
- 2004-12-09 DE DE602004012607T patent/DE602004012607T2/de active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019059204A1 (ja) * | 2017-09-19 | 2019-03-28 | Ntn株式会社 | トリポード型等速自在継手 |
JP2019052744A (ja) * | 2017-09-19 | 2019-04-04 | Ntn株式会社 | トリポード型等速自在継手 |
Also Published As
Publication number | Publication date |
---|---|
WO2005064175A1 (en) | 2005-07-14 |
DE602004012607T2 (de) | 2009-04-23 |
CN100395461C (zh) | 2008-06-18 |
EP1697649B1 (en) | 2008-03-19 |
US20070066405A1 (en) | 2007-03-22 |
CN1768210A (zh) | 2006-05-03 |
DE602004012607D1 (de) | 2008-04-30 |
EP1697649A1 (en) | 2006-09-06 |
JP4147179B2 (ja) | 2008-09-10 |
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