JPS63125854A - Automatic transmission for vehicle - Google Patents
Automatic transmission for vehicleInfo
- Publication number
- JPS63125854A JPS63125854A JP61272707A JP27270786A JPS63125854A JP S63125854 A JPS63125854 A JP S63125854A JP 61272707 A JP61272707 A JP 61272707A JP 27270786 A JP27270786 A JP 27270786A JP S63125854 A JPS63125854 A JP S63125854A
- Authority
- JP
- Japan
- Prior art keywords
- speed change
- change ring
- transmission
- rotation
- spring
- 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
- 230000005540 biological transmission Effects 0.000 title claims description 52
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Friction Gearing (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野： 本発明は小形車両に特に好適なものと して使用される自動変速装置に関する。[Detailed description of the invention] Industrial applications: The present invention is particularly suitable for small vehicles. The present invention relates to an automatic transmission device used as an automatic transmission device.
４、従来の技術：
特公昭５７−１３２２１号公報には、変速リングの内周
面に摩擦係合する円錐面と、入力軸上の小径伝動車に摩
擦係合する伝動面と、入力軸の中心軸線に一致する中心
軸線をもつ大径伝動車に摩擦係合する伝動面とをもつ複
数の円錐形転子が伝動系上に設けられ、変速リングの回
転が拘束されるか大径伝動車の回転が拘束されるかに従
い、大径伝動車の回転または変速リングの回転が出力軸
に伝達される形式の摩擦無段変速機が示さ件る。4. Prior art: Japanese Patent Publication No. 57-13221 discloses a conical surface that frictionally engages with the inner peripheral surface of a speed change ring, a transmission surface that frictionally engages with a small diameter transmission wheel on an input shaft, and a transmission surface that frictionally engages with a small diameter transmission wheel on an input shaft. A plurality of conical rotors with transmission surfaces that frictionally engage with a large-diameter transmission wheel whose center axis coincides with the central axis are provided on the transmission system, and the rotation of the speed change ring is restrained or the rotation of the large-diameter transmission wheel is A continuously variable friction transmission is disclosed in which the rotation of a large-diameter transmission wheel or the rotation of a speed change ring is transmitted to an output shaft depending on whether the rotation of the transmission ring is restricted.
以下においては、表現を簡単にするため、この形式のも
のを単にＩｔ型変速機と呼ぶこととする。Ｒ型変速機は
、出力軸のものを回転速度をＯとする点を変速範囲に含
むと共に、出力軸の回転速度の低下に伴い発生し得るト
ルクが増大すると云う特性をもつので、その用途は極め
て広く、特開昭５９−１５１６５６号公報および特開昭
５９−１６６７５４号公報に示す如く、変速リングに走
行抵抗が加わることを利用して車両の自動変速装置を構
成するのに利用することができる。Ｒ型変速機を使用し
た車両は発進用クラッチを設ける必要がないばかりでな
く、登板力も高い。In the following, to simplify the expression, this type of transmission will simply be referred to as an It-type transmission. The R type transmission has the characteristic that the speed change range includes the point where the rotational speed of the output shaft is O, and the torque that can be generated increases as the rotational speed of the output shaft decreases. As shown in Japanese Patent Laid-Open No. 59-151656 and Japanese Patent Laid-open No. 59-166754, it can be widely used to construct an automatic transmission system for a vehicle by utilizing the running resistance applied to the speed change ring. can. Vehicles using R-type transmissions not only do not require a starting clutch, but also have high climbing power.
発明が解決しようとする問題点：
上記の公開公報に示される自動変速装置は、現在実用さ
れる自動変速装置に比較すれば、構成が遥かに単純なも
のであるが、現段階においては価格の関係よりして自動
変速装置を備えていない軽車両にそれを設置しようとす
ると、油圧作動の制御装置の設置が可なり大きな負担と
なる。Problems to be solved by the invention: The automatic transmission shown in the above publication has a much simpler structure than automatic transmissions currently in use, but at present the price is low. For this reason, if an attempt is made to install it in a light vehicle that is not equipped with an automatic transmission, the installation of a hydraulically operated control device will be a considerable burden.
問題点を解決するための手段：
本発明は、軽車両に対してＲ型変速機を使用する自動変
速装置を設けようとする場合に起こる製造価格上の問題
点の解決を意図するしので、変速リングの内周面に摩擦
係合する円錐面と、入力軸りの小径伝動（１（に摩擦係
合する伝動面と、入力軸の中心軸線に一致する中心軸線
をもつ大径伝動車に摩擦係合する伝動面とをもつ複数の
円錐形転子が伝動系上に設けられ、変速リングの回転が
拘束されるか大径伝動車の回転が拘束されるかに従い、
大径伝動車の回転または変速リングの回転が出力軸に伝
達される形式の摩擦無段変速機を経由して内燃機関の動
力が車軸に伝達され、変速リングに加わるトルクの大き
さに応じる大きさの推力を発生するカム装置が負荷トル
クの検出手段として設けられ、加速ペダルによる内燃機
関の制御とカム装置による負荷トルクの検出とを関連さ
せることにより自動変速が行われるものにおいて、加速
ペダルの踏込み量に対応する量の中心線方向移動を行う
杆体」−にばね受座を設け、このばね受座と変速リング
支持材との間にＥ記カム装置が発生ずる推力を受けるば
ねを介在させたことを特徴とする。 作用：
加速ペダルを踏み込むと、」−記のばね受座、ばねおよ
び変速リング支持材が、加速ペダルの側よりばね受座に
加えられる力により軸線方向に移動移動させら、れる。Means for Solving the Problems: The present invention is intended to solve the manufacturing cost problems that occur when installing an automatic transmission using an R-type transmission in a light vehicle. A large-diameter transmission wheel with a conical surface that frictionally engages with the inner peripheral surface of the speed change ring, a transmission surface that frictionally engages with the small-diameter transmission (1) around the input shaft, and a center axis that coincides with the center axis of the input shaft. A plurality of conical rotors having frictionally engaging transmission surfaces are provided on the transmission system, and depending on whether the rotation of the speed change ring or the large diameter transmission wheel is restrained,
The power of the internal combustion engine is transmitted to the axle via a continuously variable friction transmission in which the rotation of a large-diameter transmission wheel or the rotation of a speed change ring is transmitted to the output shaft, and the torque is adjusted according to the magnitude of the torque applied to the speed change ring. A cam device that generates a thrust of 200 m is provided as a load torque detection means, and automatic gear shifting is performed by linking the control of the internal combustion engine by the accelerator pedal and the detection of the load torque by the cam device. A spring seat is provided on the rod that moves in the direction of the center line by an amount corresponding to the amount of depression, and a spring that receives the thrust generated by the E cam device is interposed between the spring seat and the speed change ring support member. It is characterized by: Action: When the accelerator pedal is depressed, the spring seat, the spring, and the speed change ring supporting member are moved in the axial direction by the force applied to the spring seat from the accelerator pedal side.
この移動は、変速リングを高速側に向って動かそうとす
るものであるが、変速リングの移動量は上記カム装置が
発生する推力の大きさによって毀なる。平地走行時には
カム装置の発生推力が小さいのでばね受座の移動量が変
速リングの移動量に近く、従って高速側に向かう変速リ
ングの移動量が大きいのであるが、登板走行時にはカム
装置の発生推力が大きいのでばね受座の移動量に比較し
て変速リングの移動量が遥かに少なく、場合によっては
゛この移動量（よ０または負の量となる。 ばね受座を
上記態様の下に移動させつつ行う制御は、路面の状態に
応じた最適の変速比の下の走行が行われ得るようにする
。This movement attempts to move the speed change ring toward the high speed side, but the amount of movement of the speed change ring is affected by the magnitude of the thrust generated by the cam device. When driving on flat ground, the thrust generated by the cam device is small, so the amount of movement of the spring seat is close to the amount of movement of the speed change ring, and therefore the amount of movement of the speed change ring toward the high speed side is large, but when driving on a hill, the thrust generated by the cam device is small. Since this is large, the amount of movement of the speed change ring is much smaller than the amount of movement of the spring catch, and in some cases, this amount of movement (becomes 0 or a negative amount.) This control is performed so that the vehicle can travel under the optimum gear ratio depending on the road surface condition.
実施例：
第１図および第２図は本発明による自動変速装置の１例
を示す縦断側面図で、これらの図において、■は入力軸
、２は出力軸、３は円錐形転子である。円錐形転子３は
、変速リング４の内周面に摩擦係合する円錐面と、入力
軸Ｉ上の小径伝動車５に摩擦係合する伝動面と、入力軸
Ｉの中心軸線に一致する中心軸線をもつ大径伝動車６に
摩擦係合する伝動面とをもつ。入力軸ｌより出力軸２に
至る伝動系は変速リング４の回転が［変速リング４に設
けられたカム作用面７と、出力軸２−ヒのアーム８によ
り支持されていてカム作用面７に係合するローラとより
成るカム装置ＩＯ」を経て出力軸に伝達されるリング回
転型のものである。カム装置ＩＯは負荷トルクの検出手
段として作用する。 １１は加速ペダルで、加速ペダ
ル１１の踏込ｎ１に応じる大きさの動きが連動機構を経
て軸線方向に移動し得る杆体１２に伝えられる。Ｉ３は
杆体１２上に設けられたばね受座、１４は回転を許容す
る状態において変速リング４を支持する変速リング支持
材で、ばね受座１３と変速リング支持材１４との間にば
ばねＩ５が介在させられる。Embodiment: Figures 1 and 2 are longitudinal sectional side views showing an example of an automatic transmission according to the present invention. In these figures, ■ is an input shaft, 2 is an output shaft, and 3 is a conical trochanter. . The conical rotor 3 has a conical surface that frictionally engages with the inner circumferential surface of the speed change ring 4, a transmission surface that frictionally engages with the small diameter transmission wheel 5 on the input shaft I, and a center axis of the input shaft I. It has a transmission surface that frictionally engages with a large-diameter transmission wheel 6 having a central axis. The transmission system from the input shaft l to the output shaft 2 is such that the rotation of the speed change ring 4 is supported by a cam action surface 7 provided on the speed change ring 4 and an arm 8 of the output shaft 2, This is a ring rotation type device in which the rotation is transmitted to the output shaft via a cam device IO consisting of engaging rollers. The cam device IO acts as a load torque detection means. Reference numeral 11 denotes an accelerator pedal, and a movement corresponding to the depression n1 of the accelerator pedal 11 is transmitted via an interlocking mechanism to a rod 12 that can move in the axial direction. I3 is a spring seat provided on the rod 12, 14 is a speed change ring support member that supports the speed change ring 4 in a state where rotation is allowed, and a spring I5 is installed between the spring seat 13 and the speed change ring support member 14. be intervened.
実線で示す加速ペダル１１の位置およびこの位置におい
てばね受座１３がとっている図示の位置は踏込：１１が
Ｏのときのもので、そのとき、変速すング４は出力軸の
回転速度を０とする位置（この位置は円錐面の底の近く
に存在する。）にある。The position of the accelerator pedal 11 shown by the solid line and the illustrated position of the spring seat 13 in this position are when the pedal is depressed: 11 is O, and at that time, the gear change ring 4 changes the rotational speed of the output shaft to 0. (This position is near the bottom of the conical surface.)
加速ペダルＩＩを鎖線で示す如く踏込むと、ばね受座１
３により左端を受けられているばね１５を介して変速リ
ング支持材１４が右方に移動させられる。変速比Ｒ＝（
出力軸の回転数／入力軸の回転数）は変速リングが４円
錐形転子３の円錐面の頂点に向かって動かされるときに
増大し底に向か′ つて動かされるときに減少するの
で、変速リング支持材１４の上記右方移動は変速リング
４の高速側への移動であるが、移動量はそのときのばね
１５の長さく圧縮状態）により異なる。登板走行のよう
に、走行抵抗が大きく変速リング４に加わる負荷トルク
が大きいときにはカム装置１０が発生する推力が大きい
ので、ばねＩ５の長さが小さく、逆に、平地走行のよう
に、走行抵抗が小さく変速リング４に加わる負荷トルク
が小さいときには力Ｊ１装置ＩＯが発生する推力が小さ
いので、ばね１５の長さが大きい。走行抵抗の大きさに
応じるばねＩ５の長さの変化を伴いつつ行なわれる加速
ペダルによる一ヒ記制御は路面の状態および勾配が考慮
に入れられた変速比の下に小山の運転が行なわれるよう
にする。When accelerator pedal II is depressed as shown by the chain line, spring seat 1
The speed change ring support member 14 is moved to the right via the spring 15 whose left end is received by the lever 3. Gear ratio R=(
The rotation speed of the output shaft/the rotation speed of the input shaft) increases when the speed change ring is moved toward the top of the conical surface of the four-conical rotor 3 and decreases when it is moved toward the bottom. The rightward movement of the speed change ring support member 14 is a movement of the speed change ring 4 toward the high speed side, but the amount of movement differs depending on the length and compressed state of the spring 15 at that time. When the running resistance is large and the load torque applied to the gear change ring 4 is large, such as when running on a hill, the thrust generated by the cam device 10 is large, so the length of the spring I5 is small. When the load torque applied to the speed change ring 4 is small, the thrust generated by the force J1 device IO is small, so the length of the spring 15 is large. The above control by the accelerator pedal is carried out while changing the length of the spring I5 according to the magnitude of the running resistance, so that driving on a small hill is carried out under a gear ratio that takes into account the condition of the road surface and the slope. Make it.
発明の効果：
現在実用されている自動変速装置は制御系が極めて複雑
な構造のものとされ製作費が嵩むことよりして軽車両に
は殆ど設置されていない。本発明は、この点を改心し、
製造費の顕著な増大を伴うことなく軽車両に対し自動変
速装置が設置され得るようにする効果をもたらす者であ
る。Effects of the Invention: Automatic transmissions currently in practical use have extremely complicated control systems and are expensive to manufacture, so they are rarely installed in light vehicles. The present invention changes this point,
This has the effect of allowing automatic transmissions to be installed in light vehicles without a significant increase in manufacturing costs.
第１図は本発明による自動変速装置の１例を示す縦断側
面図、第２図は第１図の自動変速装置におけるカム装置
の作用面の輪郭表示を伴わせた第１図と同様の図面であ
る。
第１図
円（鯖払壬
１０７７ム装置FIG. 1 is a longitudinal sectional side view showing one example of an automatic transmission according to the present invention, and FIG. 2 is a drawing similar to FIG. It is. Figure 1 Circle (Sabafutsumi 1077mm device)
Claims (1)
の小径伝動車に摩擦係合する伝動面と、入力軸の中心軸
線に一致する中心軸線をもつ大径伝動車に摩擦係合する
伝動面とをもつ複数の円錐形転子が伝動系上に設けられ
、変速リングの回転が拘束されるか大径伝動車の回転が
拘束されるかに従い、大径伝動車の回転または変速リン
グの回転が出力軸に伝達される形式の摩擦無段変速機を
経由して内燃機関の動力が車軸に伝達され、変速リング
に加わるトルクの大きさに応じる大きさの推力を発生す
るカム装置が負荷トルクの検出手段として設けられ、加
速ペダルによる内燃機関の制御とカム装置による負荷ト
ルクの検出とを関連させることにより自動変速が行われ
るものにおいて、加速ペダルの踏込み量に対応する量の
中心線方向移動を行う杆体上にばね受座を設け、このば
ね受座と変速リング支持材との間に上記カム装置が発生
する推力を受けるばねを介在させたことを特徴とする、
車両の自動変速装置。A conical surface that frictionally engages the inner peripheral surface of the speed change ring, a transmission surface that frictionally engages the small diameter transmission wheel on the input shaft, and a transmission surface that frictionally engages the large diameter transmission wheel whose center axis coincides with the center axis of the input shaft. A plurality of conical rotors with matching transmission surfaces are provided on the transmission system, and depending on whether the rotation of the speed change ring or the rotation of the large diameter transmission wheel is restrained, the rotation of the large diameter transmission wheel or the rotation of the large diameter transmission wheel is controlled. The power of the internal combustion engine is transmitted to the axle via a continuously variable friction transmission in which the rotation of the speed change ring is transmitted to the output shaft, and a cam generates a thrust corresponding to the amount of torque applied to the speed change ring. A device is provided as a means for detecting load torque, and automatic gear shifting is performed by linking control of the internal combustion engine by an accelerator pedal and detection of load torque by a cam device, in which an amount corresponding to the amount of depression of the accelerator pedal is detected. A spring seat is provided on the rod that moves in the centerline direction, and a spring that receives the thrust generated by the cam device is interposed between the spring seat and the speed change ring support member.
Vehicle automatic transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61272707A JPH0776582B2 (en) | 1986-11-15 | 1986-11-15 | Vehicle automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61272707A JPH0776582B2 (en) | 1986-11-15 | 1986-11-15 | Vehicle automatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63125854A true JPS63125854A (en) | 1988-05-30 |
| JPH0776582B2 JPH0776582B2 (en) | 1995-08-16 |
Family
ID=17517664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61272707A Expired - Lifetime JPH0776582B2 (en) | 1986-11-15 | 1986-11-15 | Vehicle automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0776582B2 (en) |
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-
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- 1986-11-15 JP JP61272707A patent/JPH0776582B2/en not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| JPH0776582B2 (en) | 1995-08-16 |
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