JP2511479B2 - Transmission structure of agricultural tractor - Google Patents
Transmission structure of agricultural tractorInfo
- Publication number
- JP2511479B2 JP2511479B2 JP62278803A JP27880387A JP2511479B2 JP 2511479 B2 JP2511479 B2 JP 2511479B2 JP 62278803 A JP62278803 A JP 62278803A JP 27880387 A JP27880387 A JP 27880387A JP 2511479 B2 JP2511479 B2 JP 2511479B2
- Authority
- JP
- Japan
- Prior art keywords
- mission case
- shaft
- input shaft
- engine
- output shaft
- 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 - Lifetime
Links
Landscapes
- Arrangement Of Transmissions (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、運転部の前方にエンジンを配置し、後方に
ミッションケースを配置し、エンジンから後方へ突出さ
せた出力軸とミッションケースから前方へ突出させた入
力軸とをプロペラシャフトを介して連結してある農用ト
ラクタの伝動構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention has an engine arranged in front of a driving part, a mission case arranged in the rear, and an output shaft projecting rearward from the engine and the front of the mission case. The present invention relates to a transmission structure for an agricultural tractor, in which an input shaft that is protruded to the front is connected via a propeller shaft.
かかる農用トラクタの伝動構造では、実開昭61−1104
28号公報に開示されているように、出力軸と入力軸の高
さが等しく、これら両軸を水平姿勢のプロペラシャフト
を介して連動連結してある。そして、このような伝動構
造を有した農用トラクタでは、運転部のデッキの中央を
山形に膨出形成し、その膨出部の内側にプロペラシャフ
トを通してあった。In the transmission structure of such an agricultural tractor,
As disclosed in Japanese Patent No. 28, the output shaft and the input shaft have the same height, and both of these shafts are interlockingly connected via a propeller shaft in a horizontal posture. Then, in the agricultural tractor having such a transmission structure, the center of the deck of the operating portion is formed to bulge into a mountain shape, and the propeller shaft is passed inside the bulging portion.
従って、このような農用トラクタを運転する場合、運
転者は膨出部を跨いでその両側のデッキに足を置かなけ
ればならず、窮屈な運転姿勢を強いられることになる。Therefore, when driving such an agricultural tractor, the driver must straddle the bulging portion and place his feet on the decks on both sides of the bulging portion, forcing a cramped driving posture.
そこで、運転姿勢を少しでも楽にするために、第４図
に示すように、ミッションを改造して入力軸を下げ、プ
ロペラシャフト（８）を後下がり傾斜姿勢に架設するこ
とでデッキ（13）中央の膨出部（13a）を小さくし、広
い足場を得られるようにしたものが提案されていた。Therefore, in order to make the driving posture a little easier, by modifying the mission and lowering the input shaft and installing the propeller shaft (8) in a rearward and downward inclined posture as shown in FIG. 4, the deck (13) is centered. It has been proposed that the bulging part (13a) of the above is made small so that a wide scaffold can be obtained.
しかしながら、この構成によると入力軸（７）が出力
軸（６）に対して大きく下がるためジョイント屈折角
（α）が大きくなり、伝動効率が低下するばかりか、騒
音が大きくなり摩耗も激しくなる難点があった。However, according to this structure, since the input shaft (7) is largely lowered with respect to the output shaft (6), the joint refraction angle (α) is increased, which not only lowers the transmission efficiency but also increases the noise and the wear. was there.
本発明は、このような実情に着目して創案されたもの
で、その目的は、運転部での姿勢を楽にするように、運
転部デッキのフラット化を図りながらも、プロペラシャ
フトを介して行われる出力軸から入力軸への伝動を効率
良く且つ円滑に行えるようにすることにある。The present invention was devised with this situation in mind, and the purpose thereof is to make the driver's deck flat while facilitating the posture in the driver's part, and to operate it via the propeller shaft. It is to enable efficient and smooth power transmission from the output shaft to the input shaft.
本発明の特徴構成は、ミッションケースの入力軸を、
ミッションケースに対して下部側に設けるとともに、そ
のミッションケースを前上がり姿勢に傾けて、前記入力
軸が車体フレームの上縁近くに位置するように搭載する
とともに、前記エンジンを後下がり姿勢に傾けてその出
力軸が車体フレームの上縁近傍に位置するように搭載
し、前記出力軸を前記ミッションケースの入力軸へ向け
てある点にあり、その作用・効果は次の通りである。The characteristic configuration of the present invention is that the input shaft of the mission case is
It is installed on the lower side with respect to the mission case, the mission case is tilted to the forward rising posture, the input shaft is mounted near the upper edge of the body frame, and the engine is tilted to the rear lowering posture. The output shaft is mounted so that it is located near the upper edge of the vehicle body frame, and the output shaft is directed toward the input shaft of the mission case. Its actions and effects are as follows.
つまり、第１図及び第３図に示すように、ミッション
ケース（Ｍ）の入力軸（７）を、ミッションケース
（Ｍ）に対して下部側に設けて、プロペラシャフト
（８）を後下がり傾斜姿勢に架設することでデッキ（1
3）中央の膨出部（13a）を小さくするとともに、エンジ
ン（Ｅ）の出力軸（６）を車体フレーム（１）の上縁近
傍に配置して、より一層、デッキ（13）中央の膨出部
（13a）を小さくし、さらに、エンジン（Ｅ）を傾けて
出力軸（６）を入力軸（７）へ向けるとともに、ミッシ
ョンケース（Ｍ）を傾けて入力軸（７）を出力軸へ向け
ることで、エンジン（Ｅ）及びミッションケース（Ｍ）
を大きく上下させないで出力軸（６）と入力軸（７）の
高低差を少なくすることができ、これによってジョイン
ト屈折角（β）が小さく（望ましくは零）なる。That is, as shown in FIGS. 1 and 3, the input shaft (7) of the mission case (M) is provided on the lower side with respect to the mission case (M), and the propeller shaft (8) is inclined rearward and downward. The deck (1
3) The central bulge (13a) is made smaller, and the output shaft (6) of the engine (E) is arranged near the upper edge of the vehicle body frame (1) to further expand the center of the deck (13). The output part (13a) is made smaller and the engine (E) is tilted to direct the output shaft (6) to the input shaft (7), and the mission case (M) is tilted to move the input shaft (7) to the output shaft. By pointing, engine (E) and mission case (M)
It is possible to reduce the height difference between the output shaft (6) and the input shaft (7) without significantly moving up and down, thereby reducing the joint refraction angle (β) (preferably zero).
その結果、後下がり傾斜姿勢のプロペラシャフトによ
りデッキ中央の膨出部を小さくでき、さらに、エンジン
の出力軸を車体フレームの上縁近傍に配置することで、
より一層、デッキ中央の膨出部を小さくでき、運転者が
楽な姿勢で運転できるようになる。しかも、エンジンと
ミッションケースの傾斜によりプロペラシャフト介して
行われる出力軸から入力軸への伝動をジョイントに無理
のない状態で効率良く行え、騒音が小さくて摩耗の少な
い状態で行えるようになる。As a result, the swelling part in the center of the deck can be made smaller by the propeller shaft in the rearward-declining posture, and further, by disposing the output shaft of the engine near the upper edge of the body frame,
The bulging part in the center of the deck can be further reduced, and the driver can drive in a comfortable posture. Moreover, due to the inclination of the engine and the transmission case, the transmission from the output shaft to the input shaft via the propeller shaft can be efficiently performed without any stress on the joint, and the noise can be reduced and the wear can be reduced.
以下、本発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図に示すように、車体フレーム（１）の前部にエ
ンジン（Ｅ）を、後部にミッションケース（Ｍ）を搭載
し、これらエンジン（Ｅ）とミッションケース（Ｍ）と
の間に運転部（Ａ）を配置するとともに、これらを左右
一対ずつの前後車輪（２），（３）に支持させて、農用
トラクタの概略を構成してある。As shown in FIG. 1, the engine (E) is mounted on the front part of the body frame (1) and the mission case (M) is mounted on the rear part of the vehicle body frame (1), and the engine (E) and the mission case (M) are driven. The part (A) is arranged, and the front and rear wheels (2) and (3) are supported by a pair of left and right wheels to form an outline of the agricultural tractor.
また、前記エンジン（Ｅ）の後部に主クラッチハウジ
ング（４）を連設する一方、ミッションケース（Ｍ）の
前部に静油圧式の無段変速装置（５）を設け、この主ク
ラッチハウジング（４）から突出する出力軸（６）と、
無段変速装置（５）の前端下方から突出する入力軸
（７）とに亘ってプロペラシャフト（８）を一対のジョ
イント（９），（10）を介して架設してある。Further, a main clutch housing (4) is connected to the rear part of the engine (E), and a hydrostatic continuously variable transmission (5) is provided to the front part of the transmission case (M). An output shaft (6) protruding from 4),
A propeller shaft (8) is installed via a pair of joints (9) and (10) across an input shaft (7) projecting from the lower front end of the continuously variable transmission (5).
尚、第２図に示すように、前記無段変速装置（５）の
入力軸（ポンプ軸）（７）と、ミッションケース（Ｍ）
への出力軸（モータ軸）（11）とを左右へ変位して配置
することで、無段変速装置（５）の高さは従来のものよ
りも低くなっている。Incidentally, as shown in FIG. 2, the input shaft (pump shaft) (7) of the continuously variable transmission (5) and the transmission case (M).
By arranging the output shaft (motor shaft) (11) to the left and right so as to be displaced left and right, the height of the continuously variable transmission (5) is lower than that of the conventional one.
そして、前記エンジン（Ｅ）は、出力軸（６）が車体
フレーム（１）の上面近傍に位置するように、且つ、出
力軸（６）が入力軸（７）へ向うように後下がり姿勢に
傾けて搭載してあり、そして、前記無段変速装置（５）
とミッションケース（Ｍ）は、ミッションケース（Ｍ）
の下部側に設けた入力軸（７）が車体フレーム（１）の
上面よるやや下方に位置するように、且つ、入力軸
（７）が出力軸（６）へ向うように前上がり姿勢に傾け
て搭載してある。そうすることで、プロペラシャフト
（８）と車体フレーム（１）との相対高さの差を小さく
し、且つ、入力軸（７）と出力軸（６）との高低差を少
なくしてジョイント屈折角を可及的に小さくし、もっ
て、効率良く低騒音で、且つ、摩耗の少ない状態でエン
ジン（Ｅ）から無段変速装置（５）への動力伝達が行わ
れるようにしてある。The engine (E) is in a rearward-down posture so that the output shaft (6) is located near the upper surface of the vehicle body frame (1) and the output shaft (6) faces the input shaft (7). Mounted at an inclination, and the continuously variable transmission (5)
And Mission Case (M) are the Mission Case (M)
The input shaft (7) provided on the lower side of the vehicle is tilted in a forward rising posture so that the input shaft (7) is located slightly below the upper surface of the vehicle body frame (1) and the input shaft (7) is directed toward the output shaft (6). It is installed. By doing so, the difference in relative height between the propeller shaft (8) and the vehicle body frame (1) is reduced, and the height difference between the input shaft (7) and the output shaft (6) is reduced to reduce the joint refraction. The angle is made as small as possible, so that the power is efficiently transmitted from the engine (E) to the continuously variable transmission (5) in a state of low noise and less wear.
前記プロペラシャフト（８）は、運転部（Ａ）のデッ
キ（13）の中央のうち、前方側の一部を山形に膨出形成
し、その膨出部（13a）の内側を通してある。そして、
座席（14）に座った運転者が膨出部（13a）の両側のデ
ッキ（13）に足を置いた姿勢で運転するようになってい
る。但し、プロペラシャフト（８）を後下がり傾斜させ
てある分だけ膨出部（13a）の後部は盛り上がりが低
く、デッキ（13）の後部は左右に亘って扁平になってい
る。The propeller shaft (8) is formed by bulging a part of the front side of the center of the deck (13) of the driving section (A) into a mountain shape, and passes through the inside of the bulging portion (13a). And
The driver sitting in the seat (14) operates with the feet placed on the decks (13) on both sides of the bulging portion (13a). However, since the propeller shaft (8) is inclined rearward and downward, the rear portion of the bulging portion (13a) is less raised, and the rear portion of the deck (13) is flat across the left and right.
尚、特許請求の範囲の項に図面との対照を便利にする
為に符号を記すが、該記入により本発明は添付図面の構
造に限定されるものではない。It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.
図面は本発明に係る農用トラクタの伝動構造の実施例を
示し、第１図は農用トラクタの側面図、第２図は無段変
速装置の正面図、第３図は概略構成を示す側面図、第４
図は従来構造の概略を示す側面図である。 （１）……車体フレーム、（６）……出力軸、（７）…
…入力軸、（８）……プロペラシャフト、（Ａ）……運
転部、（Ｅ）……エンジン、（Ｍ）……ミッションケー
ス。The drawings show an embodiment of a transmission structure for an agricultural tractor according to the present invention. Fig. 1 is a side view of the agricultural tractor, Fig. 2 is a front view of a continuously variable transmission, and Fig. 3 is a side view showing a schematic configuration. Fourth
The figure is a side view showing an outline of a conventional structure. (1) …… Body frame, (6) …… Output shaft, (7)…
Input shaft, (8) propeller shaft, (A) operating section, (E) engine, (M) mission case.
Claims (1)
置し、後方にミッションケース（Ｍ）を配置し、エンジ
ン（Ｅ）から後方へ突出させた出力軸（６）とミッショ
ンケース（Ｍ）から前方へ突出させた入力軸（７）とを
プロペラシャフト（８）を介して連結してある農用トラ
クタの伝動構造であって、ミッションケース（Ｍ）の入
力軸（７）を、ミッションケース（Ｍ）に対して下部側
に設けるとともに、そのミッションケース（Ｍ）を前上
がり姿勢に傾けて、前記入力軸（７）が車体フレーム
（１）の上縁近くに位置するように搭載するとともに、
前記エンジン（Ｅ）を後下がり姿勢に傾けてその出力軸
（６）が車体フレーム（１）の上縁近傍に位置するよう
に搭載し、前記出力軸（６）を前記ミッションケース
（Ｍ）の入力軸（７）へ向けてある農用トラクタの伝動
構造。1. An engine (E) is arranged in front of a driving section (A), a mission case (M) is arranged in the rear, and an output shaft (6) and a mission case projected rearward from the engine (E). A transmission structure for an agricultural tractor, in which an input shaft (7) protruding forward from (M) is connected via a propeller shaft (8), and the input shaft (7) of a mission case (M) is The mission case (M) is provided on the lower side, and the mission case (M) is tilted to the front rising posture so that the input shaft (7) is located near the upper edge of the vehicle body frame (1). Along with
The engine (E) is mounted so that the output shaft (6) of the engine (E) is tilted rearward and downward and the output shaft (6) is located near the upper edge of the vehicle body frame (1), and the output shaft (6) of the mission case (M) is mounted. Transmission structure for agricultural tractors facing the input shaft (7).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62278803A JP2511479B2 (en) | 1987-11-04 | 1987-11-04 | Transmission structure of agricultural tractor |
| KR1019880014448A KR910008036B1 (en) | 1987-11-04 | 1988-11-03 | Propeller shaft transmission structures for a tractor |
| FR888814467A FR2622516B1 (en) | 1987-11-04 | 1988-11-04 | LONGITUDINAL TRANSMISSION SHAFT DEVICE FOR AN AGRICULTURAL TRACTOR |
| US07/267,013 US4947709A (en) | 1987-11-04 | 1988-11-04 | Propeller shaft transmission structure for a tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62278803A JP2511479B2 (en) | 1987-11-04 | 1987-11-04 | Transmission structure of agricultural tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01122727A JPH01122727A (en) | 1989-05-16 |
| JP2511479B2 true JP2511479B2 (en) | 1996-06-26 |
Family
ID=17602392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62278803A Expired - Lifetime JP2511479B2 (en) | 1987-11-04 | 1987-11-04 | Transmission structure of agricultural tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511479B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2053930C (en) * | 1991-07-17 | 1997-01-07 | Robert Emmet Kirby | Bodyside cover for an absorbent article |
| CA2054029C (en) * | 1991-07-17 | 1998-05-19 | Louise Cynthia Ellis Coe | Absorbent article exhibiting improved fluid management |
| JP3083662B2 (en) * | 1991-11-11 | 2000-09-04 | ザ、プロクター、エンド、ギャンブル、カンパニー | Absorbent article with topsheet showing rapid liquid permeability and comfort |
| AU2005339199A1 (en) * | 2005-12-16 | 2007-06-21 | Sca Hygiene Products Ab | Absorbent product |
| AU2005339201A1 (en) * | 2005-12-16 | 2007-06-21 | Sca Hygiene Products Ab | Absorbent product |
| KR101651675B1 (en) | 2009-10-30 | 2016-08-29 | 유한킴벌리 주식회사 | Absorbent article with annular absorbent member |
| RU2605893C2 (en) | 2012-04-25 | 2016-12-27 | Кимберли-Кларк Ворлдвайд, Инк. | Personal hygiene absorbent product having longitudinally oriented layers with separate sections |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181819A (en) * | 1984-09-14 | 1986-04-25 | Honda Motor Co Ltd | Power transmission system for riding type working machine |
-
1987
- 1987-11-04 JP JP62278803A patent/JP2511479B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01122727A (en) | 1989-05-16 |
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