JPH0434021B2 - - Google Patents
Info
- Publication number
- JPH0434021B2 JPH0434021B2 JP14401984A JP14401984A JPH0434021B2 JP H0434021 B2 JPH0434021 B2 JP H0434021B2 JP 14401984 A JP14401984 A JP 14401984A JP 14401984 A JP14401984 A JP 14401984A JP H0434021 B2 JPH0434021 B2 JP H0434021B2
- Authority
- JP
- Japan
- Prior art keywords
- speed change
- output shaft
- input shaft
- differential device
- axial direction
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/48—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members with members having orbital motion
- F16H15/50—Gearings providing a continuous range of gear ratios
- F16H15/52—Gearings providing a continuous range of gear ratios in which a member of uniform effective diameter mounted on a shaft may co-operate with different parts of another member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Description
【発明の詳細な説明】
Ａ 発明の目的
産業上の利用分野：
主として車両用変速機、特に自動車用変速機の
分野に利用される。DETAILED DESCRIPTION OF THE INVENTION A. Field of industrial application of the invention: Mainly used in the field of vehicle transmissions, particularly automobile transmissions.
従来の技術：
特開昭57−47061号公報に記載される車両用無
段変速機は、出力軸に正負何れの方向の回転も与
え得ると共に、出力軸が入力軸に直結された状態
を作ることができる。このものは、第３図に示す
如く、変速作用部Ｘと遊星車型差動装置Ｙとを組
合せたもので、遊星車型差動装置は、変速作用部
の出力部材に与えられる回転速度の範囲（N1〜
aN1、但し、N1は入力軸の回転速度、ａは１よ
り小さい正の数）を変換して出力軸の回転速度の
範囲をN1〜bN1（但し、ｂは負の数）にする。こ
の変速機の利点は、歯車を使用するリバース系を
必要としない点、出力軸を入力軸に直結させるク
ラツチを必要としない点にある。Conventional technology: The continuously variable transmission for vehicles described in Japanese Patent Application Laid-open No. 57-47061 can provide rotation in both positive and negative directions to the output shaft, and also creates a state in which the output shaft is directly connected to the input shaft. be able to. As shown in FIG. 3, this device is a combination of a speed change acting section X and a planetary wheel type differential device Y. The planetary wheel type differential device has a rotational speed range ( N1 ～
aN 1 , where N 1 is the rotation speed of the input shaft, and a is a positive number smaller than 1), and the range of rotation speed of the output shaft is N 1 to bN 1 (where b is a negative number). do. The advantage of this transmission is that it does not require a reverse system using gears, and it does not require a clutch that connects the output shaft directly to the input shaft.
変速作用部Ｘにおける摩擦係合部に圧接力を発
生させる圧接力発生装置Ｚは遊星車型差動装置Ｙ
には直接の関係をもたないものして設けられる。 The pressing force generating device Z that generates pressing force on the frictional engagement portion in the speed change action portion X is a planetary wheel type differential device Y.
It is set up as something that has no direct relationship to.
発明が解決しようとする問題点：
上記の遊星車型差動装置についてはそれを摩擦
伝動形式のものとして運転が静粛に行われるよう
にすることも考えられるが、その場合には遊星車
型差動装置における摩擦係合部に必要とする圧接
力を発生する圧接力発生装置をどのような態様の
下に設けるかについての問題が生じる。Problems to be Solved by the Invention: Regarding the planetary wheel type differential device described above, it is possible to use a friction transmission type to ensure quiet operation, but in that case, the planetary wheel type differential device A problem arises as to how to provide a pressure-contact force generating device that generates the necessary pressure-contact force to the frictional engagement portion.
本発明は、上記遊星車型差動装置と同様の動作
を行うものを摩擦伝動形式のものとすると共に、
それが変速作用部に対する圧接力発生装置の一部
となつているようにし、それにより、変速作用部
のみならず差動装置も摩擦伝動形式のものとされ
たものを構成が比較的単純なものとして提供する
ことを目的とする。 The present invention provides a friction transmission type differential device that performs the same operation as the planetary wheel type differential device, and
It is made to be a part of the pressing force generating device for the speed change acting part, so that not only the speed change acting part but also the differential device is of a friction transmission type, and the structure is relatively simple. The purpose is to provide it as a.
Ｂ 発明の構成
問題点を解決するための手段：
本発明は、軸線方向に動き得る状態において入
力軸に駆動連結される入力軸側円板と、軸線方向
に動き得る状態において出力軸に駆動連結される
出力側円板と、これらの円板間を複数個配置され
ていて動力の伝達作用と推力の伝達作用とを行う
中間ローラと、中間ローラの支持を行いつつ変速
リングと共に回転するキヤリアと、出力軸側円板
の外側に配置されていて出力軸側円板、中間ロー
ラおよび入力軸側円板を経て変速作用部に推力を
及ぼすカム装置とにより変速作用部に組合される
差動装置を構成するものである。上記変速作用部
は、“円錐形転子の円錐面に摩擦係合する変速リ
ングが出力部材とされ変速リングを軸線方向に動
かすことにより変速リングの回転速度が変えられ
る形式のもの”である。B. Structure of the Invention Means for Solving the Problems: The present invention provides an input shaft-side disc that is drive-coupled to the input shaft in a state where it can move in the axial direction, and a disc that is drive-coupled to the output shaft in a state where it can move in the axial direction. A plurality of intermediate rollers are arranged between these disks and perform a power transmission function and a thrust transmission function, and a carrier rotates together with a speed change ring while supporting the intermediate rollers. , a differential device that is combined with the speed change action section by a cam device that is disposed outside the output shaft side disk and applies thrust to the speed change action section via the output shaft side disk, intermediate roller, and input shaft side disk. It constitutes. The above-mentioned speed change operating section is of a type in which a speed change ring that frictionally engages with a conical surface of a conical trochanter is used as an output member, and the rotational speed of the speed change ring can be changed by moving the speed change ring in the axial direction.
作用：
上記のカム装置、出力軸側および入力軸側円
板、中間ローラおよびキヤリアを含む系は変速作
用部の圧接力発生装置であると共に、それ自体が
摩擦伝動形式の差動装置を構成する。すなわち、
変速作用部の出力部材としての変速リングの回転
変速範囲の変換用差動装置は変速作用部の圧接力
発生装置を利用しつつ摩擦伝動形式のものとされ
ているのである。Function: The system including the above-mentioned cam device, discs on the output shaft side and input shaft side, intermediate rollers, and carrier is a pressure contact force generating device of the speed change action section, and itself constitutes a friction transmission type differential device. . That is,
The differential device for converting the rotational speed change range of the speed change ring as an output member of the speed change action section is of a friction transmission type while utilizing the pressure generating device of the speed change action section.
実施例：
第１図は上記本発明による無段変速機を示す。
この図において、１は入力軸、２は出力軸、３は
円錐形転子、４は円錐形転子３に摩擦係合する変
速リングで、出力部材としての変速リング４の回
転速度は変速ルング４を油圧シリンダ５により軸
線方向に動かすことにより変えられる。６は本発
明により摩擦伝動形式の差動装置で、このものの
要部は第２図に符号を付して示される。Embodiment: FIG. 1 shows the continuously variable transmission according to the present invention.
In this figure, 1 is an input shaft, 2 is an output shaft, 3 is a conical rotor, and 4 is a speed change ring that frictionally engages with the conical rotor 3. The rotational speed of the speed change ring 4 as an output member is determined by the speed change ring. 4 in the axial direction using a hydraulic cylinder 5. Reference numeral 6 denotes a friction transmission type differential device according to the present invention, the main parts of which are shown with reference numerals in FIG.
第２図において、７は入力軸側円板、８出力軸
側円板である。入力軸側円板７は入力軸１により
回転される部材９にスプライン係合させられる。
出力軸側円板８と入力軸１との間には空隙が存在
する。入力軸側円板７と出力軸側円板８とは軸線
方向に移動することができる伝動要素である。入
力軸側円板７と出力軸側円板８との間には複数個
（例えば３個）の中間ローラ１０が配置される。
１１は中間ローラ１０の軸１０ａを支持するキヤ
リアで、このものは変速リング４と共に回転す
る。１２は出力軸側円板８の外側に配置されたカ
ム装置で、出力軸２に加わるトルクの大きさに応
じた大きさの推力を発生する。中間ローラ１０は
動力の伝達作用を行う要素であると共に推力の伝
達作用を行う要素である。カム装置１２と、入力
軸側円板７および出力軸側円板８、中間ローラ１
０と、キヤリア１１とより成る系は差動装置を構
成する。この差動装置は、さきに指摘した特開昭
57−47061号公報に示される“遊星車型差動装置”
と同様の作用を行い、変速作用部がその出力部材
としての変速リング４に与える変速範囲“N1〜
aN1”を変えて“N1〜bN1”の変速範囲が出力軸
２に与えられるようにする。（N1は入力軸の回転
速度、ａ、ｂは１より小さい正数である。）
Ｃ 発明の効果
以上において説明した本発明によるものは変速
作用部と差動装置とが組合された無段変速機の差
動装置を摩擦伝動形式のものとするに当り、変速
作用部に対する圧接力発生装置を兼ねる差動装置
を設けているものである。本発明によるものにお
いて設けられる差動装置の構成要素は単純で作り
易い形状のものである。 In FIG. 2, 7 is a disc on the input shaft side, and 8 is a disc on the output shaft side. The input shaft side disc 7 is splined to a member 9 rotated by the input shaft 1 .
A gap exists between the output shaft side disc 8 and the input shaft 1. The input shaft side disc 7 and the output shaft side disc 8 are transmission elements that can move in the axial direction. A plurality of (for example, three) intermediate rollers 10 are arranged between the input shaft side disc 7 and the output shaft side disc 8.
A carrier 11 supports the shaft 10a of the intermediate roller 10, and this carrier rotates together with the speed change ring 4. Reference numeral 12 denotes a cam device disposed on the outside of the output shaft side disk 8, which generates a thrust of a magnitude corresponding to the magnitude of the torque applied to the output shaft 2. The intermediate roller 10 is an element that transmits power and also transmits thrust. Cam device 12, input shaft side disc 7, output shaft side disc 8, intermediate roller 1
0 and the carrier 11 constitute a differential device. This differential device was developed by the Japanese Patent Laid-Open Publication No.
“Planetary differential device” shown in Publication No. 57-47061
The speed change action section provides the speed change range "N 1 ~" to the speed change ring 4 as its output member
aN 1 ” is changed so that a shift range of “N 1 to bN 1 ” is given to the output shaft 2. (N 1 is the rotational speed of the input shaft, and a and b are positive numbers smaller than 1.) C. Effects of the Invention The present invention described above applies pressure contact force to the speed change action section when the differential device of a continuously variable transmission in which a speed change action section and a differential device are combined is of a friction transmission type. A differential device that also serves as a generator is provided.The components of the differential device provided in the device according to the present invention are simple and easy to manufacture.
本発明による無段変速機は騒音および振動の発
生が抑制され、運転が静粛に行われる。 The continuously variable transmission according to the present invention suppresses the generation of noise and vibration, and operates quietly.
第１図は本発明による無段変速機の縦断側面
図、第２図は第１図の無段変速機の要部を拡大し
て示す縦断側面図、第３図は本発明が改良を意図
する従来の無段変速機を示す縦断側面図である。
１……入力軸、２……出力軸、３……円錐形転
子、４……変速リング、６……差動装置、７……
入力軸側円板、８……出力軸側円板、１０……中
間ローラ、１１……キヤリア、１２……カム装
置。
Fig. 1 is a longitudinal side view of a continuously variable transmission according to the present invention, Fig. 2 is an enlarged longitudinal side view of the main parts of the continuously variable transmission of Fig. 1, and Fig. 3 is an improvement intended by the present invention. FIG. 2 is a longitudinal sectional side view showing a conventional continuously variable transmission. 1... Input shaft, 2... Output shaft, 3... Conical trochanter, 4... Speed change ring, 6... Differential device, 7...
Input shaft side disc, 8... Output shaft side disc, 10... Intermediate roller, 11... Carrier, 12... Cam device.
Claims (1)
グが出力部材とされ変速リングを軸線方向に動か
すことにより速度リングの回転変速が変えられる
形式をとる無段変速機の変速作用部に差動装置が
組合されていて変速作用部の変速範囲が差動装置
により変更され、変更された変速範囲が出力軸の
変速範囲とされるものにおいて、軸線方向に動き
得る状態において入力軸に駆動連結された入力軸
側円板と、軸線方向に動き得る状態において出力
軸に駆動連結された出力軸側円板と、これらの円
板間に複数個配置されていて動力の伝達作用と推
力の伝達作用とを行う中間ローラと、中間ローラ
の支持を行いつつ変速リングと共に回転するキヤ
リアと、出力軸側円板の外側に配置されていて出
力軸側円板、中間ローラおよび入力軸側円板を経
て変速作用部に摩擦係合用推力を及ぼすカム装置
とにより上記差動装置を摩擦伝動形式のものとし
て構成したことを特徴とする、無段変速機。1. A variable speed change action part of a continuously variable transmission in which a speed change ring that frictionally engages with the conical surface of a conical trochanter is used as an output member, and the rotational speed of the speed ring is changed by moving the speed change ring in the axial direction. When the transmission device is combined with a differential device, the speed change range of the speed change action part is changed by a differential device, and the changed speed change range is the speed change range of the output shaft, the driving connection is made to the input shaft in a state where it can move in the axial direction. A disc on the input shaft side is connected to the input shaft, a disc on the output shaft side is drivingly connected to the output shaft in a state where it can move in the axial direction, and a plurality of discs are arranged between these discs to transmit power and thrust. an intermediate roller that performs the functions of A continuously variable transmission characterized in that the differential device is configured as a friction transmission type device by a cam device which exerts a thrust for frictional engagement on the speed change acting portion through the cam device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14401984A JPS6124871A (en) | 1984-07-11 | 1984-07-11 | Stepless speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14401984A JPS6124871A (en) | 1984-07-11 | 1984-07-11 | Stepless speed changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6124871A JPS6124871A (en) | 1986-02-03 |
| JPH0434021B2 true JPH0434021B2 (en) | 1992-06-04 |
Family
ID=15352432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14401984A Granted JPS6124871A (en) | 1984-07-11 | 1984-07-11 | Stepless speed changer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6124871A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH077646Y2 (en) * | 1987-12-17 | 1995-02-22 | セイレイ工業株式会社 | Cone-type continuously variable transmission gear shifting operation device |
| JP2698194B2 (en) * | 1989-12-02 | 1998-01-19 | 株式会社クボタ | Friction type continuously variable transmission |
-
1984
- 1984-07-11 JP JP14401984A patent/JPS6124871A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6124871A (en) | 1986-02-03 |
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