JPS6076422A - Transmission mechanism for tractor - Google Patents
Transmission mechanism for tractorInfo
- Publication number
- JPS6076422A JPS6076422A JP18357583A JP18357583A JPS6076422A JP S6076422 A JPS6076422 A JP S6076422A JP 18357583 A JP18357583 A JP 18357583A JP 18357583 A JP18357583 A JP 18357583A JP S6076422 A JPS6076422 A JP S6076422A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- gear
- clutch
- reduction gear
- case
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Transmission Devices (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
Description
【発明の詳細な説明】
この発明はトラクタのミッション機構に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a tractor mission mechanism.
低馬力の小型トラクタでＦｉＳ ホイルベースｔできる
だ汀短かく形成して小廻り性＃Ｉを向上さすることが望
ましいものである。It is desirable to improve maneuverability #I by making the FiS wheelbase as short as possible for a small, low-horsepower tractor.
仁のために、クラッチハウジング６二対してその後方の
ミッションケースｔなるべく接近させる必要があるが、
１万、クラッチのクラッチ軸とミッションケースのミッ
ション機構の入力軸を連結する自在接手軸の位置をでき
るだけ低ぐして乗降動作な答易とすることも大切であり
、又１前記入力軸と出力軸と自在接手軸のなす交角は１
円滑な動力伝達のにめＣ：なるべく小さくしないところ
である。For safety reasons, it is necessary to place the transmission case t behind the clutch housing 6 as close as possible to the clutch housing 62.
10,000 It is also important to lower the position of the universal joint shaft that connects the clutch shaft of the clutch and the input shaft of the transmission mechanism of the transmission case as much as possible to make it easier to get on and off. The intersection angle between and the universal joint axis is 1
Key to smooth power transmission C: Keep it as small as possible.
そこでこの発明ｉｆ、 ！降動作に便利で、クラッチか
らミッションケースへの動力伝達が円滑に行われるよう
に工夫したものであって、この定め。So this invention if! This design is convenient for descending operations and is designed to ensure smooth power transmission from the clutch to the transmission case.
久の技術的手段ｗｅｌｌじに。Long technical means well.
即ち、エンジンＣ３１の出力側に設ＦＴにクラッチハウ
ジング１１） Ｃ減速ギヤケース１２１ヲ設ｒＴ、この
減速ギヤケース【２１に内装される減速ギヤ機構（８）
の出力軸（ｓｌｖ、クラッチ（３１のクラッチ軸（４１
よｐも下位に設Ｖ′Ｔ％後輪デフ機構σＱｔ’ｆ速駆動
するきツション機構に）の入力軸−な後輪デフ機構αＱ
のドライブピニオン軸（ロ）（：略等しい高さく二股ｒ
Ｔ、上記絨速ギヤ機構（８１の出力軸（５１とミッショ
ン機構（ロ）の入力軸−ヲ自在接手軸ｔ１８）ｌ二で連
結したトラクタのミッション機構の構成である。That is, a clutch housing 11) C reduction gear case 121 is installed on the output side of the engine C31, and a reduction gear mechanism (8) installed inside this reduction gear case [21].
output shaft (slv), clutch (31 clutch shaft (41
The rear wheel differential mechanism αQ is the input shaft of the tension mechanism that drives the V'T% rear wheel differential mechanism σQt'f.
Drive pinion shaft (b) (: bifurcated r with approximately equal height)
T. This is the structure of the transmission mechanism of the tractor, which is connected by the output shaft (51 and the input shaft of the transmission mechanism (b) - the universal joint shaft t18) of the above-mentioned gusset gear mechanism (81).
そしてかかる構成の結果、仁の発明は次の技術的効果を
得ることができに。As a result of this configuration, Jin's invention was able to obtain the following technical effects.
即ち、クラッチハウジング（１）の四に減速ギヤ磯４１
１１（８１を設σにので、ミ、ツション機構α４にお汀
る減速ギヤが小形となってミッションケースの前後長さ
も短かくなってホイルベースの短少化に役立つ仁とにな
り、又、クラッチハウジング口１の附近は。That is, the reduction gear 41 is located at the fourth part of the clutch housing (1).
11 (81 is set to σ, the reduction gear that goes to the tension mechanism α4 becomes smaller, the front and rear length of the transmission case becomes shorter, which helps shorten the wheel base, and the clutch housing becomes smaller. Near mouth 1.
ステアリングボストｌの暇付基部の附近となるので、こ
こに減速ギヤ機構（８）ヲ設ｒＴたことによる乗降動作
への支障は殆ど無い。Since it is located near the base of the steering column 1, the installation of the reduction gear mechanism (8) here causes almost no hindrance to the getting on and off movement.
そして、ドライブピニオン軸ＣＩ刀に略等しい高さくニ
ミッション機構閥の入力軸噌を配置し、又、クラッチ（
３１のクラッチ軸（４）よｐも下位Ｃ：緘連速ギヤ機構
８１の出力軸（５１を投げたので、この出力軸（５）と
入力軸ｔｍｖ連結する自在接手軸α鴫の＾さは、クラッ
チのクラッチ軸とミッション機構の最上位の入力軸を連
結している従来の自在接手軸に比べて、低ぐなって１乗
降動作に便利となったのであり％しρ為も、出力軸（５
１と入力＠＋１３１）の双方が共にこの従来ができるの
である。Then, the input shaft of the mission mechanism is arranged at approximately the same height as the drive pinion shaft CI sword, and the clutch (
The clutch shaft (4) of 31 and the lower C: The output shaft of the continuous gear mechanism 81 (51 was thrown, so the size of the universal joint shaft α that connects this output shaft (5) and the input shaft tmv is Compared to the conventional universal joint shaft that connects the clutch shaft of the clutch and the top input shaft of the transmission mechanism, the shaft is lower and convenient for getting on and off. (5
1 and input @+131) can both perform this conventional method.
次（＝この発明の１実施例を図にもとづいて説明する。Next (=One embodiment of this invention will be explained based on the drawings.
第１図に全体側面視を、第２図ｃ二その要部縦断躇面視
を示しにとおシ、クラッチハウジング（１１の後部書二
緘速ギヤケース（２１を砲付１７．クラッチ（３）のク
ラッチ軸【４１ヲ減速ギヤケース（２）内に延設して。Figure 1 shows an overall side view, and Figure 2 shows a vertical cross-sectional view of its main parts. Clutch shaft [41] Extends into the reduction gear case (2).
クラッチ軸（４）の下方（＝出力軸（５１ヲこの減速ギ
ヤケース（２１に軸支し、クラッチ軸（４１に設ｒＴに
小径のギヤ（６）と出力軸（５１に設ｒＴｙ＝大径のギ
ヤ（７１Ｙ ％減速ギヤケース【２１内に噛合せて減速
ギヤ機＃（８１ｔ−形成する。The lower part of the clutch shaft (4) (=output shaft (51) is supported by this reduction gear case (21), the clutch shaft (41 is set up rT) has a small diameter gear (6) and the output shaft (51 is set up Gear (71Y% Reduction gear case [21] to form a reduction gear machine # (81T).
ミッションケース（９１には、後輪デフ機構１１１を駆
動するドライブピニオン軸（５）と同心又は略同心Ｃ：
入力軸□□□を軸支し、上記出力軸（５１とこの入力軸
（抑とを自在接手軸（至）にて連結して、ミッション機
構に）によってドライブピニオン軸（”ｌｋｂ 又、ミ
ッションケース【９１の下部から＠方へその回部を突出
した前輪駆動軸（ロ）を、夫々駆動するものであって。The transmission case (91 includes a drive pinion shaft (5) that drives the rear wheel differential mechanism 111 and a drive pinion shaft (5) that is concentric or approximately concentric C:
The input shaft □□□ is pivotally supported, and the drive pinion shaft ("lkb" is also connected to the transmission case by connecting the output shaft (51 and this input shaft (retainer) with a universal joint shaft to the transmission mechanism). [91] The front wheel drive shafts (b) whose rotating parts protrude in the @ direction from the lower part of the shaft are respectively driven.
例示したミッション機構（−Ｆｉ１第３図に縦断正面を
示したが、入力軸ａ萄とドライブピニオン軸面の上方に
変速軸（至）を軸支し、変速軸−に嵌着したギヤ（ロ）
と入力軸回のギヤ（ト）を噛合せ、ドライブピニオン軸
（６）ｌニカウンタギャ四を１変速軸（至）（二カウン
タギヤ■を、夫々遊嵌して、カウンタギヤ（Ｉｎのギヤ
ぬ）とカウンタギヤーのギヤ隣な噛合せ、変速軸（至）
のスプラインボスＣ二軸方向移動のみ自在にチェンジギ
ヤ轡及びチェンジギヤーを、又、ドライブピニオン軸（
ロ）のスプラインボスＣ：チェンジギヤに）を、夫々嵌
合し、変速軸（至）とドライブピニオン軸（ロ）の四方
Ｃ：てミッションケースＣ９１（二橋架固設しにパック
軸−Ｃ：、カウンタギヤ（至）のギヤーに噛合っている
パックギャーを遊嵌し、チェンジギヤーを力９ンタギャ
ーの大径のギヤ四１＝噛合せれば前進１速Ｃ＝、チェン
ジギヤ關ヲバツクギャーに噛合せれば後進に、チェンジ
ギヤーのギヤーχカウンタギヤ（至）のギヤｗＱ（＝噛
合せれば前進２速４−、チェンジギヤーのギヤａｎｔ’
カウンタギヤーの内歯ギヤ（至）に噛合せれば前進３速
に、夫々変速＠ｂｎ＠が駆動されるように、第１変速機
構（１１が構成さ往ている。The exemplified mission mechanism (-Fi1, shown in the vertical front view in Fig. 3) has a transmission shaft (to) supported above the input shaft a and the drive pinion shaft surface, and a gear (to) fitted to the transmission shaft. )
and input shaft gear (G), drive pinion shaft (6) l, counter gear 4, and 1st gear shift shaft (to) (2 counter gears) are loosely fitted, respectively, and the counter gear (in gear) is engaged. The mesh of the counter gear and the gear next to each other, the gear shift shaft (to)
The spline boss C can freely move the change gear shaft and the change gear in two axial directions, and also the drive pinion shaft (
Fit the spline boss C of (b) to the change gear) respectively, and fit the transmission shaft (to) and drive pinion shaft (b) on all four sides C: , loosely fit the pack gear that meshes with the gear of the counter gear (to), and engage the change gear with the large diameter gear 41 with a force of 9, then forward 1st speed C = and the change gear will mesh with the back gear. For reverse, change gear gear χ Counter gear (to) gear wQ (=If engaged, forward 2nd speed 4-, change gear gear ant'
The first transmission mechanism (11) is configured such that when meshing with the internal gear (to) of the counter gear, the transmission @bn@ is driven to three forward speeds.
チェンジギヤ彌の内歯ギヤ８１ヲギヤ＠珀二噛合せれば
、第２変速機構（ｌは高速に、又、チェンジギヤに）の
ギヤ（ロ）ｔカウンタギヤ■のギヤ＠（二噛合せれば低
速に、ドライブピニオン軸面が駆動されることになる。If the internal gear 81 of the change gear 2 meshes with the gear 81, it will become the gear of the second transmission mechanism (l means high speed, and the change gear). Then, the drive pinion shaft surface is driven.
ドライブピニオン軸（ロ）ζ：嵌着しである前輪駆動ギ
ヤＯ１９を、前輪駆動軸（５）Ｃ二遊嵌しにギヤ（２）
Ｃ＝噛合せ、前輪駆動軸μｓ）のスプラインボスに軸方
向移動のみ自在に嵌合しているクラッチＯＩｔギヤ０力
のクラッチ爪に係合すると、前輪駆動軸（ロ）が駆動さ
ｎｂ自在接手軸Ｃ１１（：Ｊｌ、つて削輸叩が駆動され
ること（二なる。Drive pinion shaft (b) ζ: Front wheel drive gear O19 is fitted, and front wheel drive shaft (5)
C = meshing, clutch OIt is fitted to the spline boss of the front wheel drive shaft μs) for free movement in the axial direction. When the gear engages the clutch pawl of zero force, the front wheel drive shaft (B) is driven. nb Universal joint Axis C11 (:Jl) is used to drive the drum.
変速＠−の後部（二Ｆｉ１図示省略した動力取出変速１
１ＪＩＩを設けている。Rear part of the gearbox @- (2 Fi1 power take-off gearbox 1 not shown)
1JII has been established.
符号ｔ４ｍ）ｔｊステアリングポストであって、減速ギ
ヤケース（２１の附近の機枠にその下部が砲付σらｒＬ
。Code t4m) tj steering post, the lower part of which is attached to the machine frame near the reduction gear case (21).
.
クラッチハウジング１１１．減速ギヤケースＣ２１、自
在接手軸Ｉ坤等の上部を１フロアカバー（６）によって
覆っている。Clutch housing 111. The upper parts of the reduction gear case C21, the universal joint shaft I, etc. are covered by a floor cover (6).
又、符号０３にエンジン、符号（財）はラジェータであ
る。Also, the symbol 03 is the engine, and the symbol 03 is the radiator.
減速ギヤケース（２１の後端開口部は軸受蓋（ハ）にて
塞ぎ、ミッションケース（９）の前端開口部は、軸受蓋
（ハ）にて塞いでいる。The rear end opening of the reduction gear case (21) is closed with a bearing cover (C), and the front end opening of the transmission case (9) is closed with a bearing cover (C).
図はこの発明の１実施例を示すもので、第１図はトラク
タの要部切欠側面図、第２図はその要部縦断側面図％第
３図は第２図の要部縦断正面図である。
符号説明The drawings show one embodiment of the present invention. Fig. 1 is a cutaway side view of the main part of the tractor, and Fig. 2 is a vertical sectional side view of the main part. Figure 3 is a longitudinal sectional front view of the main part of Fig. 2. be. Code explanation
Claims (1)
ギヤケースを設け、− 股罰）この減速ギヤケースシ＝内装さ扛る紘運ギヤ機構
の出力軸を、クラッチのクラッチ軸よりも下位に設ｎ％
後輪デフ機構を変速駆動するミッション機構の入力軸ｔ
’、後輪デフ機構のドライブピニオン軸梓略等しい高さ
に設ｒｒ％上記減速ギヤ機構の出力軸とミッション機構
の入力軸を、自在接手軸にて連結してなるトラクタのミ
ッション機構０[Claims] A clutch housing 4 provided on the output side of the engine is provided with two reduction gear cases, and the output shaft of the reduction gear mechanism is located lower than the clutch shaft of the clutch. set n%
Input shaft t of the mission mechanism that drives the rear wheel differential mechanism
The drive pinion shaft of the rear wheel differential mechanism is set at approximately the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18357583A JPS6076422A (en) | 1983-09-30 | 1983-09-30 | Transmission mechanism for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18357583A JPS6076422A (en) | 1983-09-30 | 1983-09-30 | Transmission mechanism for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6076422A true JPS6076422A (en) | 1985-04-30 |
Family
ID=16138207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18357583A Pending JPS6076422A (en) | 1983-09-30 | 1983-09-30 | Transmission mechanism for tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076422A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61263832A (en) * | 1985-05-17 | 1986-11-21 | Yanmar Diesel Engine Co Ltd | Speed change gear for farm tractor |
| FR2637235A1 (en) * | 1988-09-22 | 1990-04-06 | Kubota Ltd | TRACTOR PROPULSION TRANSMISSION SYSTEM OR THE FRONT WHEEL SPEED CHANGE DEVICE AND THE TRANSMISSION MECHANISM ARE MOUNTED IN THE SAME BOX |
| WO1997046407A1 (en) * | 1996-06-06 | 1997-12-11 | Rover Group Limited | Motor vehicle power train |
| GB2328916A (en) * | 1996-06-06 | 1999-03-10 | Rover Group | Motor vehicle power train |
| JP2007032649A (en) * | 2005-07-25 | 2007-02-08 | Honda Motor Co Ltd | Shift fork for transmission |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5148109U (en) * | 1974-10-07 | 1976-04-10 | ||
| JPS5639965A (en) * | 1979-09-10 | 1981-04-15 | Mitsubishi Agricult Mach Co Ltd | Tractor |
| JPS5818821B2 (en) * | 1979-04-12 | 1983-04-14 | 明星電気株式会社 | PSK signal carrier synchronization method |
-
1983
- 1983-09-30 JP JP18357583A patent/JPS6076422A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5148109U (en) * | 1974-10-07 | 1976-04-10 | ||
| JPS5818821B2 (en) * | 1979-04-12 | 1983-04-14 | 明星電気株式会社 | PSK signal carrier synchronization method |
| JPS5639965A (en) * | 1979-09-10 | 1981-04-15 | Mitsubishi Agricult Mach Co Ltd | Tractor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61263832A (en) * | 1985-05-17 | 1986-11-21 | Yanmar Diesel Engine Co Ltd | Speed change gear for farm tractor |
| FR2637235A1 (en) * | 1988-09-22 | 1990-04-06 | Kubota Ltd | TRACTOR PROPULSION TRANSMISSION SYSTEM OR THE FRONT WHEEL SPEED CHANGE DEVICE AND THE TRANSMISSION MECHANISM ARE MOUNTED IN THE SAME BOX |
| WO1997046407A1 (en) * | 1996-06-06 | 1997-12-11 | Rover Group Limited | Motor vehicle power train |
| GB2328916A (en) * | 1996-06-06 | 1999-03-10 | Rover Group | Motor vehicle power train |
| GB2328916B (en) * | 1996-06-06 | 2000-04-05 | Rover Group | Motor vehicle power train |
| JP2007032649A (en) * | 2005-07-25 | 2007-02-08 | Honda Motor Co Ltd | Shift fork for transmission |
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