JPS60129461A - Stepless speed change belt pulley device - Google Patents
Stepless speed change belt pulley deviceInfo
- Publication number
- JPS60129461A JPS60129461A JP23549883A JP23549883A JPS60129461A JP S60129461 A JPS60129461 A JP S60129461A JP 23549883 A JP23549883 A JP 23549883A JP 23549883 A JP23549883 A JP 23549883A JP S60129461 A JPS60129461 A JP S60129461A
- Authority
- JP
- Japan
- Prior art keywords
- speed change
- ring
- speed
- belt pulley
- change ring
- 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.)
- Granted
Links
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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
- F16H61/664—Friction gearings
- F16H61/6647—Friction gearings controlling shifting exclusively as a function of torque
-
- 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)
- Control Of Transmission Device (AREA)
- Pulleys (AREA)
- Friction Gearing (AREA)
Abstract
Description
【発明の詳細な説明】
出力軸の回転速度なＯとする点を変速範囲内に含むと共
に摩擦伝動系上の円錐形転子の有効半径を変える如く軸
線方向に動かされる変速リングが円錐形転子の円錐底に
近付くにつれて出力軸の回転速度が低下させられる形式
の摩擦無段変速機は従来公知で、変速リングを手動で動
かし或いは変速リングを所期の如く自動的に動かすよう
にすることにより種々の用途に適応した高い性能を発揮
するものとされる。Detailed Description of the Invention: A conical rotor is a conical rotor in which a speed change ring is moved in the axial direction so as to include the rotational speed O of the output shaft within the speed change range and change the effective radius of the conical rotor on the friction transmission system. Continuously variable friction transmissions of the type in which the rotational speed of the output shaft is reduced as it approaches the bottom of the cone are known in the art, and the speed change ring can be manually moved or the speed change ring can be moved automatically as desired. It is said that it exhibits high performance suitable for various uses.
本発明は、上記形式の摩擦無段変速機の出力軸を調車装
置における調車本体に置換えて考え、且つ、調車本体の
外部にトルク検出器、パイロットモータ等を含む制御系
を設けることなく、調車に加わるトルクに応する位置な
調車本体内の空間が設置を許容する単純な機構により行
わすようにするものである。The present invention considers replacing the output shaft of the friction continuously variable transmission of the above type with the pulley body of the pulley device, and providing a control system including a torque detector, a pilot motor, etc. outside of the pulley body. Rather, this is done using a simple mechanism that allows for installation within the space within the pulley body at a position corresponding to the torque applied to the pulley.
本発明による無段変速調車装置は、「出力部材の回転速
度を０とする点を変速範囲上に含むと共に摩擦伝動系上
の円錐形転子の有効半径を変える如く円錐形転子が軸線
方向に動かされる変速リングが円錐形転子の円錐底に近
ずくにつれて出力部材の回転速度が低下させられる形式
の摩擦無段変速機の出力部制を調車本体として設け、変
速リングの一側に配置されていて変速リングを高速側に
向ッて移動させようとするばね装置と変速リングの他側
に配置されていてばね装置の及ぼす力に抗（７変速リン
グを低速側に向って動かそうとする推力を及はすカム装
置とより成っていて変速リングに加わるトルクの大きさ
に応する位置を変速リングにとらす自動作動装置を設け
た」ことを特徴どする。」−記摩擦無段変速機は変速リ
ングが回転すイ）リング回転型と変速リングが回転しな
いリング非回転型のものどがあるので、本発明による無
段変速調車にもリング回転型とリング非回転型とがある
。図示のものυすリング非回転型のもので、以下に、に
いては図に関連して本発明の説明を行うこととする。The continuously variable speed pulley device according to the present invention is characterized in that the speed change range includes a point where the rotational speed of the output member is 0, and the conical rotor is aligned with the axis so as to change the effective radius of the conical rotor on the friction transmission system. The output part of the friction continuously variable transmission is of a type in which the rotational speed of the output member is reduced as the speed change ring that is moved in the direction approaches the conical bottom of the conical rotor. A spring device is placed on the other side of the speed change ring to move the speed change ring toward the high speed side, and a spring device is placed on the other side of the speed change ring to resist the force exerted by the spring device (7) to move the speed change ring toward the low speed side. The invention is characterized by an automatic actuating device for causing the speed change ring to take a position corresponding to the magnitude of the torque applied to the speed change ring. There are two types of continuously variable transmissions: a ring rotating type in which the speed change ring rotates and a ring non-rotating type in which the speed change ring does not rotate. Therefore, the continuously variable transmission according to the present invention also includes a ring rotating type and a ring non-rotating type. There is. The illustrated embodiment is of the ring non-rotating type, and the invention will be described below with reference to the figures.
第１図において、（１）は駆動軸、（２−は調車本体で
ある。＋３１は円鈴形転子で、変速リング（４）の軸線
力−向移動により有効半径を変えられる円錐面（３ａ）
のほかに、駆動軸（１）上の伝動車（５）に摩擦係合す
る円弧断面形の伝動面（３ｂ）と非回転の軌道リング（
６）に摩擦係合する平坦な摩擦伝動面（３ｃ）とをもつ
。出力要素としての調車本体（２）の回転速度は変速リ
ング（４）が円錐形転子（３）の円錐底に向う方向に動
かされるときに減少し、最終的にはＯとなる。第２図は
円錐面（６ａ）の有効半径ａと摩擦伝動面（３Ｃ）の有
効半径すと変速リング（４）の有効半径Ｃと伝動車（６
）の有効半径ｄとの間にａ：ｂ＝ｃ＋ｄの関係が成立し
て第１図に示す調車本体（２）の回転速度が０となった
状態を示す。なお、この図における矢印Ｓは調車本体（
２）の回転速度を低下させる如く変速リングが動かされ
る方向である。In Fig. 1, (1) is the drive shaft, (2- is the pulley body, +31 is a circular trochanter, and the conical surface whose effective radius can be changed by moving the speed change ring (4) in the axial force direction. (3a)
In addition, a transmission surface (3b) with an arcuate cross section that frictionally engages with the transmission wheel (5) on the drive shaft (1) and a non-rotating raceway ring (
6) and a flat friction transmission surface (3c) that frictionally engages with the shaft. The rotational speed of the pulley body (2) as an output element decreases and eventually reaches 0 when the transmission ring (4) is moved in the direction towards the conical bottom of the conical rotor (3). Figure 2 shows the effective radius a of the conical surface (6a), the effective radius of the friction transmission surface (3C), the effective radius C of the speed change ring (4), and the effective radius C of the transmission wheel (6).
) and the effective radius d of the pulley body (2), the relationship of a:b=c+d is established, and the rotational speed of the pulley body (2) shown in FIG. Note that the arrow S in this figure indicates the pulley body (
2) This is the direction in which the speed change ring is moved so as to reduce the rotational speed.
（７）は変速リング（４）の−側に配置されたばね装置
、（８）は変速リング（４）の他側に配置されたカム装
置である。ばね装置（７）とカム装置（８）とは第３図
乃至第６図にそれらを取出して示される。これらの図の
うち、第６図および第４図は変速リング（４）が高速位
置にあるときの状態を示し、第５図および第６図は変速
リング（４）が中速位置にあるときの状態な示す。ばね
装置（７）のばね（９）は変速リング（４）を高速側に
向って動かそうとする力を及ぼし、一方、カム装置（８
）ばばね（９）の及ぼす力に抗して変速リング（４）を
低速側に向って動かそうとする力を及ぼす。(7) is a spring device arranged on the negative side of the speed change ring (4), and (8) is a cam device arranged on the other side of the speed change ring (4). The spring device (7) and the cam device (8) are shown separately in FIGS. 3-6. Of these figures, Figures 6 and 4 show the state when the speed change ring (4) is in the high speed position, and Figures 5 and 6 show the state when the speed change ring (4) is in the middle speed position. Indicates the condition. The spring (9) of the spring device (7) exerts a force that tends to move the speed change ring (4) towards the high speed side, while the cam device (8)
) A force is exerted to move the speed change ring (4) toward the low speed side against the force exerted by the spring (9).
カム装置（８）は変速リング（４）の側のカム面ｆｉｌ
と調車本体の側のカム面（１１）とこれらのカム面（ｌ
ω（１１）間に介在されたローラｆ＋２１とより成る。The cam device (8) has a cam surface fil on the side of the speed change ring (4).
and the cam surface (11) on the side of the pulley body and these cam surfaces (l
It consists of a roller f+21 interposed between ω(11).
変速リング（４）に作用するトルクは該トルクの大きさ
に応する量のリフトをカム装置（８）に与える。いま、
変速リング（４）に加わるトルクＴがΔＴだけ増大した
とすると、カム装置（８）はΔＴに応する量ΔＬだけリ
フトＬを増し、ばね（９）の圧縮を伴いつつ変速リング
（４）は低速側に動かされる。変速リング（４）はばね
装置（７１の側よりの推力とカム装置（８）の側よりの
推力とが平衡する位置を自動的に見出し、平衡位置に留
る。変速リング（４）がとる位置は該リングに加わるト
ルクの関数（従って調車本体（２）に加、わるトルクの
関数）である。」１記の如く作用するばね装置（７）と
カム装置（８）とは、それらが共働して円錐形転子（３
）上における変、蓮リング（４）の位置な調車本体（２
）に加わるトルクの大きさに応じて定める自動作動装置
を構成する。この自動作動装置が調車本体（２）内に納
められ得るのは、その構成要素としてのばね装置（６）
とカム装置（８）とがきわめて単純なものであると共に
それらが調車本体の内壁に近接して設けられることによ
る。ばね装置（７）およびカム装置（８）はそれぞれ６
個所以上に設けられる。ばね装置（７）の数は６−１２
であり、カム装置の数は多くの場合６である。The torque acting on the speed change ring (4) gives the cam device (8) an amount of lift corresponding to the magnitude of the torque. now,
If the torque T applied to the speed change ring (4) increases by ΔT, the cam device (8) increases the lift L by an amount ΔL corresponding to ΔT, and the speed change ring (4) increases while compressing the spring (9). is moved to the lower speed side. The speed change ring (4) automatically finds a position where the thrust from the spring device (71 side) and the thrust from the cam device (8) side are balanced and remains in the balanced position. The position is a function of the torque applied to the ring (and therefore the torque applied to the pulley body (2)).'' The spring device (7) and the cam device (8), which act as described in 1. work together to form a cone trochanter (3
) on the pulley body (2), the position of the lotus ring (4)
) constitutes an automatic operating device that is determined according to the magnitude of the torque applied to the motor. This automatic actuation device can be housed in the pulley body (2) because of the spring device (6) as its component.
This is due to the fact that the cam device (8) and the cam device (8) are extremely simple and are located close to the inner wall of the pulley body. The spring device (7) and the cam device (8) each have 6
It can be set up in more than one place. The number of spring devices (7) is 6-12
and the number of cam devices is often six.
なお、第６図乃至第６図において、（２ａ）（２ｂ）は
調車本体に一体化された部材、（１３）は変速リング（
４）の側のばね受座、（１４１は変速リング（４）とば
ね受座（１３）との間に介在されたベアリングボールで
あり、１だ第１図において、（１５）は自動調圧力ム装
置、ｉｌ［ｉｌは軌道リング（６）の回転を阻止するた
めに軸受ハウシング０７１ Ｊニにあけちれたノックビ
ン孔である。In addition, in FIGS. 6 and 6, (2a) and (2b) are members integrated into the pulley body, and (13) is a gear change ring (
4) side of the spring seat, (141 is a bearing ball interposed between the speed change ring (4) and the spring seat (13); The mechanism device il is a dowel hole drilled in the bearing housing 071J to prevent rotation of the raceway ring (6).
以上において説明した本発明による無段変速調車装置は
自動変速機構を調車内部に納めているもので、クレーン
、ホイスト等の巻上げ機構、機関の補機駆動部、車両の
先行伝動系等に好適に使用されるもので、その用途は極
めて広い。The continuously variable speed pulley device according to the present invention described above has an automatic speed change mechanism housed inside the pulley, and is used in hoisting mechanisms such as cranes and hoists, auxiliary drive parts of engines, preceding transmission systems of vehicles, etc. It is suitable for use and has an extremely wide range of uses.
第１図は本発明による調車装置の一部を縦断して示す断
面図、第２図は第１図に示すものにおいて採用される無
段変速機が出力部材の回転速度な０とする点を変速範囲
上に含むことの説明図、第３図乃至第６図は第１図に示
すものにおいて調車本体内に設けられ自動作動装置の説
明図で、第６図および第４図は変速リングが高速位置に
あるときの状態を示す縦断面図および平面図、第５図お
よび第６図は変速リングが中速位置にあるときの状態を
示す縦断面図および平面図である。
（１）・・・駆動軸 （２）・・・調車本体 （３）・
・・円錐形転子（４）・・・変速リング （５）・・・
駆動軸上の伝動車 （６）・・・軌道リング （７）・
・・ばね装置 （８）・・・カム装置 （９）・・・ば
ね （１０） １１１１・・・カム面 （１２１・・・
ローラ （１３）・・・ばね受座圓・・・ベアリングボ
ールFIG. 1 is a longitudinal cross-sectional view of a part of the pulley device according to the present invention, and FIG. 2 is a point where the continuously variable transmission employed in the one shown in FIG. 1 sets the rotational speed of the output member to 0. 3 to 6 are explanatory diagrams of the automatic actuating device provided in the pulley body in the one shown in FIG. 1, and FIGS. 6 and 4 are explanatory diagrams showing that A longitudinal sectional view and a plan view showing the state when the ring is in the high speed position, and FIGS. 5 and 6 are a longitudinal sectional view and a plan view showing the state when the speed change ring is in the middle speed position. (1)...Drive shaft (2)...Pulley body (3)・
...Conical trochanter (4)...Speed ring (5)...
Transmission wheel on the drive shaft (6)... Raceway ring (7)
...Spring device (8)...Cam device (9)...Spring (10) 1111...Cam surface (121...
Roller (13)...Spring seat circle...Bearing ball
Claims (1)
共に摩擦伝動系上の円錐形転子の有効半径を変える如く
軸線方向に動かされる変速リングが円錐形転子の円錐底
に近ずくにつれて出力部材の回転速度が低下させられる
形式の摩擦無段変速機の出力部材な調車本体として設け
、変速リングの一側に配置されていて変速リングを高速
側に向って移動させようとする推力を及ばずばね装置と
変速リングの他側に配置されていてばね装置の及ばず力
に・抗し変速リングを低速側に向って移動させようとす
る推力を及ぼすカム装置とより成っていて変速リングに
加わるトルクの大きさに応する位置を変速リングにとら
す自動作動装置を設けたことを特徴とする、無段変速調
車装置。The speed change ring, which is moved in the axial direction to change the effective radius of the conical rotor on the friction transmission system, is close to the conical bottom of the conical rotor on the friction transmission system. The output member of the friction continuously variable transmission is of a type in which the rotational speed of the output member is decreased as the rotation speed decreases as the rotation speed of the output member decreases. It consists of a spring device that exerts a thrust to move the gear ring toward the low speed side, and a cam device that is placed on the other side of the gear ring and exerts a thrust that moves the gear ring toward the lower speed side against the force of the spring device. A continuously variable speed pulley device, characterized in that it is provided with an automatic actuation device that causes the speed change ring to take a position corresponding to the magnitude of the torque applied to the speed change ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23549883A JPS60129461A (en) | 1983-12-14 | 1983-12-14 | Stepless speed change belt pulley device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23549883A JPS60129461A (en) | 1983-12-14 | 1983-12-14 | Stepless speed change belt pulley device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60129461A true JPS60129461A (en) | 1985-07-10 |
| JPH0461223B2 JPH0461223B2 (en) | 1992-09-30 |
Family
ID=16986917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23549883A Granted JPS60129461A (en) | 1983-12-14 | 1983-12-14 | Stepless speed change belt pulley device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60129461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63129764U (en) * | 1987-02-19 | 1988-08-24 | ||
| US4968290A (en) * | 1988-07-23 | 1990-11-06 | Shinpo Kogyo Kabushiki Kaisha | Stepless speed change traction gear |
-
1983
- 1983-12-14 JP JP23549883A patent/JPS60129461A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63129764U (en) * | 1987-02-19 | 1988-08-24 | ||
| US4968290A (en) * | 1988-07-23 | 1990-11-06 | Shinpo Kogyo Kabushiki Kaisha | Stepless speed change traction gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0461223B2 (en) | 1992-09-30 |
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