JPH0461223B2 - - Google Patents
Info
- Publication number
- JPH0461223B2 JPH0461223B2 JP23549883A JP23549883A JPH0461223B2 JP H0461223 B2 JPH0461223 B2 JP H0461223B2 JP 23549883 A JP23549883 A JP 23549883A JP 23549883 A JP23549883 A JP 23549883A JP H0461223 B2 JPH0461223 B2 JP H0461223B2
- Authority
- JP
- Japan
- Prior art keywords
- speed change
- change ring
- speed
- ring
- output member
- 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 21
- 238000013459 approach Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000001105 regulatory effect Effects 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
- 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)
- Pulleys (AREA)
- Friction Gearing (AREA)
- Control Of Transmission Device (AREA)
Description
【発明の詳細な説明】
出力軸の回転速度を０とする点を変速範囲に含
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 speed change ring that includes a point where the rotational speed of the output shaft is 0 in the speed change range and is moved in the axial direction so as to change the effective radius of the conical rotor on the friction transmission system. Frictionally continuously variable transmissions of the type in which the rotational speed of the output shaft is reduced as it approaches the conical bottom of the cone are known in the art. It is said to exhibit high performance suitable for a variety of 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、パイロツト
モータ等を含む制御系を設けることなく、調車に
加わるトルクに応ずる位置を変速リングにとらす
装置を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 the pulley body. Rather, a device for setting the speed change ring to a position corresponding to the torque applied to the pulley is implemented by a simple mechanism that is allowed to be installed within the space within the pulley body.
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付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
つ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し
変速リングを低速側に向つて動かそうとする推力
を及ぼすカム装置とより成つていて変速リングに
加わるトルクの大きさに応ず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。上記摩擦無段変速機は変速リングが回転する
リング回転型と変速リングが回転しないリング非
回転型のものとがあるが、本発明による摩擦無段
変速調車において設けられるのは上記摩擦無段変
速機のうちのリング回転型のものである。 The continuously variable speed pulley device according to the present invention includes the point where the rotational speed of the output member is 0 in the speed change range, and the conical rotor is moved in the axial direction so as to change the effective radius of the conical rotor on the friction transmission system. The output member of the friction continuously variable transmission is provided as a pulley body, and the output member 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 moved by the speed change ring approaches the conical bottom of the conical rotor, and the output member is disposed on one side of the speed change ring. There is a spring device placed on the other side of the speed change ring that tries to move the speed change ring toward the high speed side, and a thrust force that tries to move the speed change ring toward the low speed side against the force exerted by the spring device located on the other side of the speed change ring. The present invention is characterized in that an automatic actuating device is provided which causes 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 friction 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.The friction continuously variable transmission according to the present invention is provided with the above-mentioned friction continuously variable transmission. This is a ring-rotating type of transmission.
第１図において、１は駆動軸、２は調車本体で
ある。３は円錐形転子で、変速リング４の軸線方
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０となる。第２図
は円錐面３ａの有効半径ａと摩擦伝動面３ｃの有
効半径ｂ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
なつた状態を示す。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 a drive shaft, and 2 is a pulley body. 3 is a conical rotor, in addition to a conical surface 3a whose effective radius can be changed by moving the speed change ring 4 in the axial direction, a transmission surface 3b with an arcuate cross section that frictionally engages with the transmission wheel 5 on the drive shaft 1; It has a flat friction transmission surface 3c that frictionally engages with the rotational orbit ring 6. The rotational speed of the pulley body 2 as an output element decreases and eventually reaches zero 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 3a, the effective radius b of the friction transmission surface 3c, the effective radius c of the speed change ring 4, and the transmission wheel 6.
This shows a state in which the relationship a:b=c:d is established between the effective radius d of the pulley body 2 and the rotational speed of the pulley body 2 shown in FIG. 1 becomes zero. Note that the arrow S in this figure
is the direction in which the speed change ring is moved so as to reduce the rotational speed of the pulley body 2.
７は変速リング４の一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３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
態を示す。ばね装置７のばね９は変速リング４を
高速側に向つて動かそうとする力を及ぼし、一
方、カム装置８はばね９の及ぼす力に抗して変速
リング４を低速側に向つて動かそうとする力を及
ぼす。カム装置８は変速リング４の側のカム面１
０と調車本体の側のカム面１１とこれらカム面１
０，１１間に介在されたローラ１２とより成る。
変速リング４に作用するトルクは該トルクの大き
さに応ず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に応ずる量
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７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（従つて調車本体
２に加わるトルクの関数）である。上記の如く作
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上における変速リング４の位
置を調車本体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３個以上に設けられ
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３である。 7 is a spring device arranged on one 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, FIGS. 3 and 4 show the state when the speed change ring 4 is in the high speed position, and FIGS. 5 and 6 show the state when the speed change ring 4 is in the middle speed position. . The spring 9 of the spring device 7 exerts a force that tends to move the speed change ring 4 toward the high speed side, while the cam device 8 tends to move the speed change ring 4 toward the low speed side against the force exerted by the spring 9. exert the power to The cam device 8 has a cam surface 1 on the side of the speed change ring 4.
0, the cam surface 11 on the side of the pulley body, and these cam surfaces 1
It consists of a roller 12 interposed between rollers 0 and 11.
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 is moved to the low speed side while the spring 9 is compressed. The speed change ring 4 automatically finds a position where the thrust from the spring device 7 side and the thrust from the cam device 8 side are balanced, and remains at the balanced position. The position taken by the speed change ring 4 is a function of the torque applied to it (and thus of the torque applied to the pulley body 2). The spring device 7 and the cam device 8 that operate as described above work together to automatically determine the position of the speed change ring 4 on the conical rotor 3 in accordance with the magnitude of the torque applied to the pulley body 2. Configure the device. This automatic actuating device can be housed in the pulley body 2 because the spring device 6 and the cam device 8 as its components are extremely simple, and they are located close to the inner wall of the pulley body. By being given. Spring device 7
Three or more cam devices 8 are provided. The number of spring devices 7 is 6-12 and the number of cam devices is often 3.
なお、第３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、１４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、また第１図において、１５は自動調圧カム
装置、１６は軌道リング６の回転を阻止するため
に軸受ハウジング１７上にあけられたノツクピン
孔である。 In addition, in FIGS. 3 to 6, 2a, 2b
1 is a member integrated into the pulley body, 13 is a spring seat on the side of the speed change ring 4, and 14 is a bearing ball interposed between the speed change ring 4 and the spring seat 13. , 15 is an automatic pressure regulating cam device, and 16 is a dowel pin hole drilled on the bearing housing 17 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を
０とする点を変速範囲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３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、１０，１１…カム面、１２…ローラ、１３…
ばね受座、１４…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 shows the point where the continuously variable transmission employed in the one shown in FIG. 1 makes the rotational speed of the output member zero. Explanatory diagram of including in the shifting range, 3rd
Figures 6 to 6 are explanatory diagrams of the automatic actuating device provided in the pulley body in the one shown in Figure 1, and Figures 3 and 4 are longitudinal sections showing the state when the speed change ring is in the high speed position. FIG. 5 and FIG. 6 are a vertical 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 change ring, 5... Transmission wheel on drive shaft, 6... Orbit ring, 7... Spring device, 8... Cam device, 9... Spring, 10, 11... Cam surface, 12... Roller, 13...
Spring catch, 14...Bearing ball.
Claims (1)
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
つて移動させようとする推力を及ぼすばね装置と
変速リングの他側に配置されていてばね装置の及
ぼす力に抗し変速リングを低速側に向つて移動さ
せようとする推力を及ぼすカム装置とより成つて
いて変速リングに加わるトルクの大きさに応ずる
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。1 As the speed change ring, which is moved in the axial direction so as to include the point at which the rotational speed of the output member is 0 in the speed change range and change the effective radius of the conical rotor on the friction transmission system, approaches the conical bottom of the conical rotor. The output member of a friction continuously variable transmission of the type in which the rotational speed of the output member is reduced is provided as a pulley body, and the thrust force that is placed on one side of the speed change ring and tends to move the speed change ring toward the high speed side. It consists of a spring device that exerts a force on the speed change ring, and a cam device that is placed on the other side of the speed change ring and that exerts a thrust that moves the speed change ring toward the low speed side against the force exerted by the spring device. A continuously variable speed pulley device, characterized in that it is equipped with an automatic actuation device that sets a speed change ring to a position corresponding to the magnitude of applied torque.
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 JPS60129461A (en) | 1985-07-10 |
| JPH0461223B2 true 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63129764U (en) * | 1987-02-19 | 1988-08-24 | ||
| JP2714822B2 (en) * | 1988-07-23 | 1998-02-16 | シンポ工業株式会社 | Friction continuously variable transmission |
-
1983
- 1983-12-14 JP JP23549883A patent/JPS60129461A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60129461A (en) | 1985-07-10 |
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