JPS59100019A - Tractor - Google Patents
TractorInfo
- Publication number
- JPS59100019A JPS59100019A JP21003382A JP21003382A JPS59100019A JP S59100019 A JPS59100019 A JP S59100019A JP 21003382 A JP21003382 A JP 21003382A JP 21003382 A JP21003382 A JP 21003382A JP S59100019 A JPS59100019 A JP S59100019A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- cushion rubber
- mounting frame
- transmission belt
- vehicle body
- 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
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、車体前部に、クランク軸を車体前後方向に向
けるエンジンを、車体前後方向複数個所でクッションゴ
ムを介して支持すると共に、車体旧邸の下ａ部に位置さ
せる動力取出軸を、前記クランク軸の前端部に伝動ベル
トを介して連動連結させたトラクタに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention supports an engine in which the crankshaft is directed in the longitudinal direction of the vehicle at a plurality of locations in the longitudinal direction of the vehicle through cushion rubber, and supports the engine in the lower a part of the former residence of the vehicle. The present invention relates to a tractor in which a positioned power take-off shaft is operatively connected to the front end of the crankshaft via a transmission belt.
かかるトラクタにおりて、従来では、クッションゴムに
支持させるためのエンジン取付枠を、エンジンの横側壁
に横側方へ突出させる状態で取付けるようにしているが
、この場合、クッションゴムのうちの車体前方側のクッ
ションゴムが伝動ベルトから車体後方側に大きく離れて
位置するため、伝動ベルトによりクランク軸前端部が下
方に引張られるに伴いクッションゴムが弾性変形すると
、エンジンｌ￥ｔＪｉが大きく下降動する結果、防振作
用を充分に発揮させるようにクッションゴムの弾性係数
を小にすると、エンジン前部の下降動により伝動ベルト
か不測にスリップを起すものとなり、動力取出軸にて大
きな動力を要する作業装置を駆動することができない、
あるいは、伝動ベルトが焼付き損傷し易いものとｉる不
都合があった。Conventionally, in such tractors, the engine mounting frame for supporting the cushion rubber is attached to the side wall of the engine in such a manner that it protrudes laterally, but in this case, the vehicle body of the cushion rubber Since the cushion rubber on the front side is located far away from the transmission belt toward the rear of the vehicle body, when the cushion rubber elastically deforms as the front end of the crankshaft is pulled downward by the transmission belt, the engine l\tJi moves significantly downward. As a result, if the elastic modulus of the cushion rubber is made small in order to sufficiently exhibit its vibration-proofing effect, the downward motion of the front of the engine will cause the transmission belt to slip unexpectedly, making it difficult to perform operations that require large amounts of power at the power extraction shaft. unable to drive the device,
Another disadvantage is that the transmission belt is likely to be damaged by seizure.
本発明の目的は、クッションゴム（Ｃて充分な防振作用
を発揮させながらもエンジン前部が不必要に大きく下降
動されるととを抑制し、し、かも、そのための構造を、
本来構成を有効利用した簡素な構成にする点にある。The object of the present invention is to provide a structure for suppressing unnecessary large downward movement of the front part of the engine while exerting a sufficient vibration damping effect using cushion rubber (C).
The point is to create a simple configuration that makes effective use of the original configuration.
本発明の特徴構成は、冒記トラクタにおいて、前記クッ
ションゴムのうちの車体前方側のクッションゴムを、前
記伝動ベルトに対して車体前後方向において近接位置さ
せると共に、そのクッションゴムに支持させるためのエ
ンジン取付枠を、前記エンジンの前端面に当て付ける状
態で取付けたセルモータ支持用板状体に、車体前方に突
出する状態で取付けた点にある。A characteristic configuration of the present invention is that, in the above-mentioned tractor, the cushion rubber on the front side of the vehicle body among the cushion rubbers is located close to the transmission belt in the longitudinal direction of the vehicle body, and the engine is supported by the cushion rubber. The mounting frame is attached to the starter motor supporting plate-shaped body that is attached to the front end surface of the engine so as to protrude toward the front of the vehicle body.
次に、不発明特徴構成による作用効果を述べる０
すなわち、エンジンの前端側をクッションゴムに支持さ
せるためのエンジン取付枠を、伝動ベルトに対する爪体
前後方向近くにおいてクッションゴムに支持させるよう
にして、伝動ベルトによりクランク軸が下方に引張られ
るに伴いクッションゴムが弾性変形しても、その弾性変
形に伴いエンジンが下降動する量を極力小さくすること
ができるようにしであるから、充分な防振作用を発揮さ
せるようにクッションゴムの弾性係数を小にしても、エ
ンジン前部が不必要に大きく下降動することを効果的に
抑制して、伝動ベルトの焼付き損傷を回避させながら大
きな動力を要する作業装置をも良好に駆動させることが
できるようになった０
そして、特に本発明によれば、エンジンにおいてセルモ
ータ支持のために本来的に備えさせることになるセルモ
ータ支持用板状体を、エンジンの前端面に当て付ける状
態で取付け、それに、エンジン取付枠を車体前方に突出
する状態で取付けるようにしであるから、例えばエンジ
ン取付枠を、エンジン横側壁に、車体前方に突出する状
態で取付けるに較べて、取付枠を小型で製作容易なもの
にすることができる利点や取付枠をセルモータ支持板と
一体的にエンジンに取付けることができるものとなって
、組付作挙の容易化を図る利点を得ることができるもの
である。Next, we will describe the functions and effects of the uninvented characteristic configuration. That is, the engine mounting frame for supporting the front end side of the engine on the cushion rubber is supported by the cushion rubber near the front and rear direction of the pawl relative to the transmission belt, Even if the cushion rubber is elastically deformed as the crankshaft is pulled downward by the transmission belt, the amount by which the engine moves downward due to the elastic deformation can be minimized, providing sufficient vibration isolation. Even if the elastic modulus of the cushion rubber is made small in order to maximize the performance, it effectively suppresses the unnecessary large downward movement of the front part of the engine, which requires a large amount of power while avoiding seizure damage to the transmission belt. In particular, according to the present invention, the plate-shaped body for supporting the starter motor, which is originally provided in the engine to support the starter motor, can be moved smoothly. It is installed so that it is against the front end surface, and the engine mounting frame is installed with it protruding toward the front of the vehicle body, compared to, for example, installing the engine mounting frame on the side wall of the engine with it protruding toward the front of the vehicle body. This has the advantage that the mounting frame can be made small and easy to manufacture, and the mounting frame can be attached to the engine integrally with the starter motor support plate, making the assembly process easier. It is something that can be obtained.
もって、全体として、使用面、及び、製作面のいずれに
おいても有利な実用上の利点大なるトラクタを得るに至
った。As a whole, a tractor with great practical advantages has been obtained both in terms of use and production.
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 based on the drawings.
第１図に示すように、向き変更操作可能な左右一対の前
輪（／ａ入（］４）を備えた左右−・対のメインフレー
ム（２）の後部に、左右後輪（Ｔｏ入くｌθのｆフヶー
ス（３）を連結支持すると共に、車体ω■部に、クラン
ク軸（４） ′ｆｃｉ体前後体向後方向てエンジン（５
）を搭載し、そして、車体前部の下腹部に位置させるモ
ーブー駆動用動力取出軸（６）を、伝動ベルト（７）を
介して前記クランク軸（４）の前端部に駆動回転される
よう連動連結すると共に、車体後部に位置させる走行駆
動用油圧式無段変速装Ｍ（８）を、伝動軸（９）を介し
てクランク軸（４）の後端部に駆動回転されるよう連動
連結し、さらに、車体後部に運転席αＱを設けて、モー
アー装着用のトラクタを構成しである。As shown in Fig. 1, left and right rear wheels (To enter lθ The crankshaft (4) is attached to the ω part of the vehicle body in the front and rear direction of the engine (5).
), and a movu drive power take-off shaft (6) located in the lower abdomen at the front of the vehicle body is driven and rotated by the front end of the crankshaft (4) via a transmission belt (7). The hydraulic continuously variable transmission M (8) for traveling drive, located at the rear of the vehicle body, is interlocked and connected to the rear end of the crankshaft (4) via a transmission shaft (9) so as to be driven and rotated. Furthermore, a driver's seat αQ is provided at the rear of the vehicle body to constitute a tractor to which a mower is attached.
そして、接地遊転輪αυを備えるロータリモーアー（６
）を、前後一対の上下揺動リンクα３ 、 （１３を介
ｌ〜て昇降自在に連結すると共ド、前記動力取出軸（６
）の動力をモーアー（６）に伝達する屈伸及び伸縮自在
な伝動軸＜１４１を設け、もって、芝刈等草刈作業を行
なえるように構成しである。A rotary mower (6
) are connected so that they can be raised and lowered via a pair of front and rear vertically swinging links α3 and (13), and the power take-off shaft (6
) is provided with a bendable and extendable power transmission shaft <141 that transmits the power of the mower (6) to the mower (6), so that mowing work such as mowing the lawn can be performed.
前記エンジン（５）を、前記クランク軸（４）の両端部
のうち７ライホ・イールＱ斥を取付ｔ−ｙる大径側端部
が車体前方側に位置するように配置して、その出力に見
合った大型のモーアー申やを駆動することができるよう
に構成すると共に、前記動力取出軸（６）に対する伝動
用グーリ０１を、前記フライホイールＯＦ９に接続して
、クランク軸（４）を特別に改造することなく、伝動用
プーリＱ＋９を装着できるようにしである。The engine (5) is arranged such that the large diameter end of the crankshaft (4) to which the 7 Liho Eel Q is attached is located on the front side of the vehicle body. The crankshaft (4) is configured to be able to drive a large mower shaft commensurate with the above-mentioned power output shaft (6), and the transmission googly 01 for the power take-off shaft (6) is connected to the flywheel OF9. This allows the transmission pulley Q+9 to be installed without modification.
前記エンジン（５）の後部に、エンジン冷却用ラジェー
タ０ηを配設すると共に、クランク軸後端部に連動連結
されるラジェータ用ファン（的を、車体後方から前方に
向って冷却風を送風するように設け、そして、エンジン
搭載部を覆うカバー０１の後壁！（１９ａ）を、冷却風
導入のために網状に形成し、もって、ラジェータθ０の
冷却風をゴミの少ない運転搭乗部から導入させることに
よって、ラジェータ０りにゴミが付着することを抑制さ
せ、且つ、冷却後の排風が搭乗作業者にふり掛らないよ
うにしである。An engine cooling radiator 0η is installed at the rear of the engine (5), and a radiator fan (targeted at blowing cooling air from the rear of the vehicle toward the front) is connected to the rear end of the crankshaft. The rear wall (19a) of the cover 01 covering the engine mounting part is formed into a net shape for introducing cooling air, so that the cooling air of the radiator θ0 is introduced from the operating passenger area where there is less dust. This prevents dust from adhering to the radiator and prevents the exhaust air after cooling from blowing onto the operator.
前記動力取出軸（６）について詳述すると、珂・２図及
び第３図に示すように、左右メインフレーム（２）の下
部に溶接した側面視形状逆Ｕ字状の枠体（１）に、動力
取出軸（６）の支持ケースＱ０を、貫通させた状態でボ
ルト固定しである。又、左右前輪（１）、（１）を支持
する前輪取付用長尺状部材（２）の中央部を、前記動力
取出軸支持ケースＱＪ）に、上下揺動自在に外嵌し、も
って、動力取出軸（６）の支持構造を前輪取付構造に兼
用させるようにしである。 さらに、前記動力取出軸駆
動用の伝動ヘルド（７）に対するテンションアーム（ト
）ヲ、運転席（ＩＩの前部に位置させた揺動レバー（財
）にて、ワイヤを用いて揺動操作可能に設け、もって、
動力取出軸（６）の駆＠全断続操作できるようにしであ
る。To explain the power take-off shaft (6) in detail, as shown in Fig. 2 and Fig. 3, it is attached to a frame body (1) having an inverted U-shape in side view and welded to the lower part of the left and right main frames (2). , the support case Q0 of the power take-off shaft (6) is fixed with bolts passing through it. Further, the central part of the front wheel mounting elongated member (2) that supports the left and right front wheels (1), (1) is externally fitted into the power take-off shaft support case QJ) so as to be able to swing vertically. The support structure for the power take-off shaft (6) is also used as the front wheel mounting structure. Furthermore, the tension arm (7) for the transmission heald (7) for driving the power take-off shaft can be swung by a swing lever located at the front of the driver's seat (II) using a wire. Established in
The drive of the power take-off shaft (6) is designed to be fully intermittent.
次に、エンジン（５）の支持構造につい”Ｃ説明すれば
、前記左右メインフレーム（２） 、 （２）の夫々に
対してエンジン（５）を支持する前後一対のクツショア
ゴム（２５ａ ） 、 （２５ｂ ）を、前方のゴ／Ａ
（２５ａ）を伝動ベルト（７）に対して単体前後方向
において近接位置させる状態で設けである。 そして、
後方のクッションゴム（２５ｂ）に支持させるだめのエ
ンジン取付枠（２６ｂ）を、エンジン（５）の横側壁に
ボルトによって取付けると共に、前方のクッションゴム
（２５ａ）に支持させるためのエンジン取付枠（２６ａ
）を、エンジン（５）の前端面に当て付ける状態でボル
ト固定されるセルモータ支持用板状体に）に、単体前方
に突出状態で溶接によって取付けるようにしである。
要するに、クッションゴム（２５ａ ）、（２５ｈ）に
よる振動吸収作用によってエンジン振動が車体に伝わる
ことを抑制し、しかも、前方側のクッションゴム（２５
ａ） 全伝動ベルト（７）の近く拠位置させることによ
って、伝動ベルト（７）によってエンジン（５）が下方
に引張られるに伴いクッションゴム（２５ａ）が弾性変
形しても、それによりエンジン前部が大きく下降するこ
とを抑制することができるようにし、そのうえ、前方側
のクッションゴム（２５ａ）に支持させるためのエンジ
ン取付枠（２６ａ ）を、セルモータ支持用板状体動に
取付けることによって、小型化を図ると共に組付のＷ
Ｂ化を図るようにしである。 但し、図中（八４１１、
フライホイールａ１に咬合するセルモータであな。Next, to explain the support structure for the engine (5), a pair of front and rear cushion rubbers (25a) and (25b) support the engine (5) with respect to the left and right main frames (2), (2), respectively. ), forward Go/A
(25a) is positioned close to the power transmission belt (7) in the longitudinal direction of the unit. and,
The engine mounting frame (26b) to be supported by the rear cushion rubber (25b) is attached to the side wall of the engine (5) with bolts, and the engine mounting frame (26a) is to be supported by the front cushion rubber (25a).
) is attached by welding to the starter motor supporting plate member ) which is bolted to the front end surface of the engine (5) and protrudes forward.
In short, the vibration absorption effect of the cushion rubber (25a) and (25h) suppresses engine vibration from being transmitted to the vehicle body, and moreover, the cushion rubber (25h) on the front side suppresses engine vibration from being transmitted to the vehicle body.
a) By locating the entire transmission belt near the transmission belt (7), even if the cushion rubber (25a) is elastically deformed as the engine (5) is pulled downward by the transmission belt (7), the front part of the engine is In addition, by attaching the engine mounting frame (26a) for supporting the cushion rubber (25a) on the front side to the plate-like body movement for supporting the starter motor, W of assembly as well as
I'm trying to make it a B. However, in the diagram (8411,
It's a starter motor that engages the flywheel A1.
又、前記枠体（１）の上面との接当によりエンジン（５
）の下降範囲を規制するためのストッパーとシテのボル
ト（ト）を、セルモータ支持用板状体動の下部に付設の
部材翰に螺合させると共に、ボルト（ハ）の対枠体当り
面に、緩衝用ゴム（至）を付設し、もって、動力取出軸
（６）に突発的に多大な負荷が作用した場合において、
エンジン（５）の最大下降範囲をボルト（ホ）により規
制して、クッションゴム（２５ａ）が早期損傷すること
を抑制させるようにし、しかも、緩衝ゴム（１）によっ
て、＠音発生を抑制させるようにしである。Also, the engine (5) is brought into contact with the upper surface of the frame (1).
) are screwed together with the bolts (G) of the stopper and shite for regulating the descending range of the starter motor, and are screwed into the member ridge attached to the lower part of the plate-shaped body movement for supporting the starter motor, and the bolts (C) are attached to the contact surface of the bolt (C) against the frame body. By adding a cushioning rubber (to), when a large load is suddenly applied to the power take-off shaft (6),
The maximum descending range of the engine (5) is regulated by the bolt (E) to prevent early damage to the cushion rubber (25a), and the cushion rubber (1) is designed to suppress the generation of noise. It's Nishide.
不発明を実施するに、クッションゴム（２５ａ″）ｅ
（２５＋１）を、前後方向に８個以上並設させるように
してもよく、又、エンジン取付枠（２６ａ）をセルモー
タ支持用板状体Ｑｂにボルト接続させるようにしてもよ
ＩＡ□
又、不発明のトラクタは、モーアー装着に用いるの−７
＋−人らず、各種作票製置の装着に用いることができる
ものである。To carry out the invention, cushion rubber (25a'') e
(25+1) may be arranged in parallel in the longitudinal direction, or the engine mounting frame (26a) may be bolted to the starter motor support plate Qb. The tractor of the invention is used for mounting a mower.-7
+- It can be used for attaching various forms for production without people.
例示し、不１図はトラクタの一部破断側卯図、完２図は
エンジン搭載部の正面図、第８図は動力散出軸の装着部
の切欠き側面図である。For illustration, Figure 1 is a partially cutaway side view of the tractor, Figure 2 is a front view of the engine mounting part, and Figure 8 is a cutaway side view of the mounting part of the power dissipation shaft.
Claims (1)
けるエンジン（５）を、車体前後方向複数個所でクッシ
ョンゴム（２５ａ）、（２５ｈ）を介して支持すると共
に、車体前部の下腹部に位置させる動力取出軸（６）を
、前記クランク軸（４）の前端部に伝動ベルト（７）を
介して連動連結させたトラクタであって、前記クッショ
ンゴム（２５ａ ）、 （２５ｂ）のうちの車体前方側
のクッションゴム（２５ａ）を、前記伝動ベルト（７）
に対して車体前後方向において近接位置させると共に、
そのクッションゴム（２５ａ）に支持させるだめのエン
ジン取付枠（２６ａ）を、前記エンジン（５）の前端面
に当て付ける状態で取付けたセルモータ支持用板状体動
に、車体前方に突出する状態で取付けであることを特徴
とするトラクタ。 ■ 前記板状体（イ）の下部に、前記エンジン（５）の
下降範囲を規制するストッパー■を備えさせると共に、
そのストッパー（ハ）の対固足枠当シ面に、緩衝用ゴム
（至）を付設しであることを特徴とする特許請求の範囲
オ■項に記載のトラクタ。[Claims] ■ An engine (5) whose crankshaft (4) is oriented in the front-rear direction of the car body is supported at multiple locations in the front-rear direction of the car body via cushion rubber (25a) and (25h). , a tractor in which a power take-off shaft (6) located in the lower abdomen of the front part of the vehicle body is interlocked and connected to the front end of the crankshaft (4) via a transmission belt (7), the cushion rubber (25a ) and (25b), the cushion rubber (25a) on the front side of the vehicle body is connected to the transmission belt (7).
In addition to being located close to the vehicle body in the longitudinal direction,
The engine mounting frame (26a), which is to be supported by the cushion rubber (25a), is attached to the plate-shaped body for supporting the starter motor, which is attached to the front end surface of the engine (5), in a state that projects toward the front of the vehicle body. A tractor characterized in that it is mounted. ■ A stopper ■ is provided at the lower part of the plate-shaped body (A) for regulating the descending range of the engine (5), and
A tractor according to claim 5, characterized in that a cushioning rubber (2) is attached to a surface of the stopper (3) that is in contact with the fixed foot frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21003382A JPS59100019A (en) | 1982-11-30 | 1982-11-30 | Tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21003382A JPS59100019A (en) | 1982-11-30 | 1982-11-30 | Tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59100019A true JPS59100019A (en) | 1984-06-09 |
Family
ID=16582692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21003382A Pending JPS59100019A (en) | 1982-11-30 | 1982-11-30 | Tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59100019A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181816A (en) * | 1984-09-05 | 1986-04-25 | Honda Motor Co Ltd | Engine mount structure for riding type working machine |
| JPS61166733A (en) * | 1985-01-17 | 1986-07-28 | Yanmar Diesel Engine Co Ltd | Front pto device for agricultural tractor |
| DE3901333A1 (en) * | 1988-01-20 | 1989-08-03 | Iseki Agricult Mach | VIBRATION-RESISTANT ENGINE MOUNT |
| JPH0747861A (en) * | 1994-04-22 | 1995-02-21 | Yanmar Diesel Engine Co Ltd | Front pto device for agricultural tractor |
| JP2013504489A (en) * | 2009-09-15 | 2013-02-07 | ケーピーアイティ カミンズ インフォシステムズ リミテッド | How to convert a vehicle to a hybrid vehicle |
-
1982
- 1982-11-30 JP JP21003382A patent/JPS59100019A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181816A (en) * | 1984-09-05 | 1986-04-25 | Honda Motor Co Ltd | Engine mount structure for riding type working machine |
| JPS61166733A (en) * | 1985-01-17 | 1986-07-28 | Yanmar Diesel Engine Co Ltd | Front pto device for agricultural tractor |
| JPH0522613B2 (en) * | 1985-01-17 | 1993-03-30 | Yanmar Diesel Engine Co | |
| DE3901333A1 (en) * | 1988-01-20 | 1989-08-03 | Iseki Agricult Mach | VIBRATION-RESISTANT ENGINE MOUNT |
| JPH0747861A (en) * | 1994-04-22 | 1995-02-21 | Yanmar Diesel Engine Co Ltd | Front pto device for agricultural tractor |
| JP2013504489A (en) * | 2009-09-15 | 2013-02-07 | ケーピーアイティ カミンズ インフォシステムズ リミテッド | How to convert a vehicle to a hybrid vehicle |
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