JP2964526B2 - Farm work machine - Google Patents
Farm work machineInfo
- Publication number
- JP2964526B2 JP2964526B2 JP5588290A JP5588290A JP2964526B2 JP 2964526 B2 JP2964526 B2 JP 2964526B2 JP 5588290 A JP5588290 A JP 5588290A JP 5588290 A JP5588290 A JP 5588290A JP 2964526 B2 JP2964526 B2 JP 2964526B2
- Authority
- JP
- Japan
- Prior art keywords
- transmission case
- front wheel
- transmission
- wheel differential
- 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.)
- Expired - Fee Related
Links
Landscapes
- Arrangement Of Transmissions (AREA)
- Motor Power Transmission Devices (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、苗植装置等の作業装置を車体後方に装着
する農作業機に関する。Description: BACKGROUND OF THE INVENTION [0001] The present invention relates to an agricultural work machine in which a work device such as a seedling plant is mounted behind a vehicle body.
この種の農作業機にあっては、車体後方に作業装置を
装着するため、車体前部寄りが重くなるようにして、機
体全体の前後バランスを向上させ、機体の軽量化を図る
課題がある。In this type of agricultural working machine, there is a problem in that the working device is mounted on the rear side of the vehicle body, so that the front part of the vehicle body becomes heavier, the front-rear balance of the entire body is improved, and the weight of the body is reduced.
この発明は、上記課題を解決するために、伝動ケース
８を車体前側に配置し、作業装置を車体後方に装着し、
車体の左右に前車輪１と後車輪６とを設けた農作業機に
おいて、左右の前車輪１への動力を伝動ケース８内の前
輪差動装置２を介して該前輪差動装置２の左右両外側方
に伝動する構成とし、前記前輪差動装置２より機体前方
側の伝動ケース８の左右一側部からエンジン４からの動
力を伝動ケース８内に入力し、前記前輪差動装置２より
機体前方側で伝動ケース８内への前記動力入力部側とは
左右反対側から作業装置への動力を伝動ケース８外に取
り出す構成としたことを特徴とする農作業機としたもの
である。In order to solve the above problems, the present invention arranges the transmission case 8 on the front side of the vehicle body, mounts the working device on the rear side of the vehicle body,
In an agricultural work machine having a front wheel 1 and a rear wheel 6 provided on the left and right sides of a vehicle body, power to the left and right front wheels 1 is transmitted to both left and right sides of the front wheel differential 2 via a front wheel differential 2 in a transmission case 8. The power is transmitted to the outside, and power from the engine 4 is input into the transmission case 8 from one of the left and right sides of the transmission case 8 on the front side of the body with respect to the front wheel differential 2. The agricultural work machine is characterized in that the power to the working device is taken out of the transmission case 8 from the side opposite to the power input unit side into the transmission case 8 on the front side.
この発明の農作業機は、上記構成としたものであるか
ら、伝動ケース８をコンパクトに構成しつつ、伝動ケー
ス８内の入力軸から前車輪への変速伝動部と伝動ケース
８内の入力軸から作業装置への変速伝動部とを伝動ケー
ス８の前輪差動装置２から車体前方側に配置できて、機
体全体の前後バランスの向上が図れ、機体の軽量化が図
れる。Since the agricultural working machine of the present invention has the above-described configuration, the transmission case 8 can be made compact while the transmission transmission portion from the input shaft in the transmission case 8 to the front wheels and the input shaft in the transmission case 8 can be used. The transmission for transmission to the working device can be arranged on the front side of the vehicle body from the front wheel differential device 2 of the transmission case 8, so that the front-rear balance of the entire body can be improved and the weight of the body can be reduced.
図例第１図、第２図において、トラクタ車体９の前端
部には、ハンドル10、及びハンドル軸11等を支持するハ
ンドルポスト12を設け、この後部に伝動ケース８を設
け、後部にエンジン４、及び後車輪６を有する後輪支枠
13等を設けている。又、車体の後端部には、油圧によっ
て伸縮されるリフトシリンダ14によって上下回動される
リフトリンク15を設け、このリフトリンク15の後端に苗
植装置等の作業装置を連結する。前車輪１は、伝動ケー
ス８の後部から左右両側方へ突出するフロントアクスル
ハウジング16の両端部において、キングピン回りに操向
自在に軸装され、上記ハンドル10によって操作される。
この前車輪１は、フロントアクスルハウジング16内のフ
ロントアクスル17によって伝動される。又、後車輪６の
伝動は、後輪支枠13の両端に取付けた後輪伝動ケース18
に内装の伝動装置を、伝動ケース８の後端部に突出の出
力軸19から、自在継手や伸縮継手等を有する伝動軸20を
介して伝動する構成としている。1 and 2, a handle post 12 for supporting a handle 10, a handle shaft 11 and the like is provided at a front end of a tractor vehicle body 9, a transmission case 8 is provided at a rear portion thereof, and an engine 4 is provided at a rear portion. , And a rear wheel supporting frame having a rear wheel 6
13 mags are provided. At the rear end of the vehicle body, there is provided a lift link 15 which is turned up and down by a lift cylinder 14 which is expanded and contracted by hydraulic pressure. The front wheel 1 is mounted on the front axle housing 16 at both ends protruding left and right from the rear of the transmission case 8 so as to be steerable around a kingpin, and is operated by the handle 10.
The front wheel 1 is transmitted by a front axle 17 in a front axle housing 16. The transmission of the rear wheel 6 is performed by a rear wheel transmission case 18 attached to both ends of the rear wheel support frame 13.
The transmission is internally transmitted from an output shaft 19 protruding from the rear end of the transmission case 8 via a transmission shaft 20 having a universal joint, an expansion joint and the like.
エンジン４は伝動ケース８の後方に設けられ、この伝
動ケース８の後部上に軸装した中間軸21へベルト22伝動
し、この中間軸21から伝動ケース８前部の入力軸５へ、
ベルトテンションプーリによって変速しうる変速ベルト
23,24によって伝動する。The engine 4 is provided behind the transmission case 8 and transmits a belt 22 to an intermediate shaft 21 mounted on the rear of the transmission case 8, and from the intermediate shaft 21 to the input shaft 5 at the front of the transmission case 8.
A variable speed belt that can be shifted by a belt tension pulley
Powered by 23,24.
伝動ケース８内の伝動装置について、第３図〜第５図
では、伝動ケース８の下部には、中央部の前輪差動装置
２から左両側方のフロントアクスルハウジング16へ向け
てフロントアクスル17を軸装している。この前輪差動装
置２の前位には、前記入力軸５を設けると共に、この入
力軸５上の変速ギヤ25によって伝動されるギヤ26を有し
た中間軸27を設け、この中間軸27からは、前記前輪差動
装置２をギヤ47噛合で連動すると共に、ベベルギヤ28の
噛合によって伝動される縦軸29を、該前輪差動装置２上
側を経て後側に亘り、この前輪差動装置２の後側で、ギ
ヤ30伝動で左右一対の後輪出力軸19を回転する構成とし
ている。この左右の後輪出力軸19は、縦軸19と平行状
で、前記のように伝動軸20で各後車輪６を伝動する。サ
イドブレーキ７は、この各後輪出力軸19上において、サ
イドクラッチ31と共に設けられ、クラッチ体32をシフタ
ー操作で前側へ移動するとサイドクラッチ31が入りにな
り、後側へ移動するとサイドクラッチ31が切りになり、
更に後側へ移動すると、サイドブレーキ７を押圧してこ
の後輸出力軸19に制動する構成としている。3 to 5, a front axle 17 is provided at a lower portion of the transmission case 8 from the front front wheel differential 2 toward the front axle housings 16 on both left sides. It is axis mounted. At the front of the front wheel differential 2, the input shaft 5 is provided, and an intermediate shaft 27 having a gear 26 transmitted by a transmission gear 25 on the input shaft 5 is provided. The front wheel differential 2 is interlocked with the gear 47 by meshing, and the longitudinal axis 29 transmitted by the meshing of the bevel gear 28 extends over the front wheel differential 2 to the rear side. On the rear side, a pair of left and right rear wheel output shafts 19 are rotated by transmission of the gear 30. The left and right rear wheel output shafts 19 are parallel to the longitudinal axis 19 and transmit each rear wheel 6 by the transmission shaft 20 as described above. The side brake 7 is provided on each of the rear wheel output shafts 19 together with the side clutch 31. When the clutch body 32 is moved forward by a shifter operation, the side clutch 31 is engaged, and when the clutch body 32 is moved rearward, the side clutch 31 is engaged. Cut off,
When the vehicle further moves rearward, the side brake 7 is pressed to brake the export power shaft 19 thereafter.
又、伝動ケース８の前端部には、入力軸５上の変速ギ
ヤ33と噛合するギヤ34を有した中間軸35を設け、この中
間軸35の横端から、伝動ケース８の一側に伝動ケース40
で取付ける作業出力軸36を、ギヤ機構37を経て連動構成
する。この作業出力軸36は、伝動軸38を介してリフトリ
ンク15に連結する作業装置の入力軸を連動するものであ
る。39はこの作業出力軸36の伝動ケース40内において軸
方向へ移動操作されるカムクラッチで、ギヤ機構37から
作業出力軸36への伝動を入り切りするものである。At the front end of the transmission case 8, there is provided an intermediate shaft 35 having a gear 34 that meshes with the transmission gear 33 on the input shaft 5, and from the lateral end of the intermediate shaft 35 to one side of the transmission case 8. Case 40
The work output shaft 36 to be mounted by means of the gear mechanism 37 is interlocked via a gear mechanism 37. The work output shaft 36 works in conjunction with an input shaft of a work device connected to the lift link 15 via the transmission shaft 38. Reference numeral 39 denotes a cam clutch which is operated to move in the axial direction in the transmission case 40 of the work output shaft 36, and turns on and off the transmission from the gear mechanism 37 to the work output shaft 36.
なお、フロントアクスル17の外側端部には、ベベルギ
ヤ41を介してキングピンに沿う上下方向の立軸42を連動
し、この立軸42の下端部からベベルギヤ43を介して前車
輪１の車軸44を連動する。45はナックルアームである。An outer end of the front axle 17 is interlocked with a vertical shaft 42 along a kingpin via a bevel gear 41, and an axle 44 of the front wheel 1 is interlocked from a lower end of the vertical shaft 42 via a bevel gear 43. . 45 is a knuckle arm.
第６図、第７図で上例と異なる点は、後輪出力軸19の
伝動を、前輪差動装置２と一体に回転するベベルギヤ46
を経て、この後部の縦軸29へ連動することによって行う
構成で、縦軸29が前輪差動装置２の上側を通らないため
に、伝動ケース８の高さを低く構成できる。6 and 7 is different from the above example in that the transmission of the rear wheel output shaft 19 is transmitted to the bevel gear 46 which rotates integrally with the front wheel differential 2.
In this configuration, the height of the transmission case 8 can be reduced because the vertical axis 29 does not pass over the front wheel differential 2.
そして、特に、この農作業機は、図面に明らかなよう
に、伝動ケース８を車体前側に配置し、作業装置を車体
後方に装着し、車体の左右に前車輪１と後車輪６とを設
けた農作業機において、左右の前車輪１への動力を伝動
ケース８内の前輪差動装置２を介して該前輪差動装置２
の左右両外側方に伝動する構成とし、前記前輪差動装置
２より機体前方側の伝動ケース８の左右一側部からエン
ジン４からの動力を伝動ケース８内に入力し、前記前輪
差動装置２より機体前方側で伝動ケース８内への前記動
力入力部側とは左右反対側から作業装置への動力を伝動
ケース８外に取り出す構成としたものであるから、伝動
ケース８をコンパクトに構成しつつ、伝動ケース８内の
入力軸から前車輪への変速伝動部と伝動ケース８内の入
力軸から作業装置への変速伝動部とを伝動ケース８の前
輪差動装置２から車体前方側に配置できて、機体全体の
前後バランスの向上が図れ、機体の軽量化が図れる。In particular, in this agricultural work machine, as is apparent from the drawing, the transmission case 8 is disposed on the front side of the vehicle body, the work device is mounted on the rear side of the vehicle body, and the front wheel 1 and the rear wheel 6 are provided on the left and right sides of the vehicle body. In the agricultural work machine, the power to the left and right front wheels 1 is transmitted to the front wheel differential 2 through the front wheel differential 2 in the transmission case 8.
The power from the engine 4 is input into the transmission case 8 from one of the left and right sides of the transmission case 8 on the front side of the fuselage with respect to the front wheel differential 2, and the front wheel differential is transmitted. 2, the power to the working device is taken out of the transmission case 8 from the right and left opposite sides of the power input unit side into the transmission case 8 at the front side of the fuselage, so that the transmission case 8 is made compact. The transmission gear from the input shaft in the transmission case 8 to the front wheels and the transmission from the input shaft in the transmission case 8 to the working device are moved from the front wheel differential 2 of the transmission case 8 toward the front of the vehicle body. The arrangement can improve the front-rear balance of the entire body, and the weight of the body can be reduced.
図はこの発明の実施例を示すもので、第１図は平面図、
第２図は側面図、第３図はその一部の側断面図、第４図
はその平断面図、第５図は一部の正断面図、第６図は一
部別実施例を示す側断面図、第７図はその平断面図であ
る。 （符号の説明） １……前車輪 ２……前輪差動装置 ３……変速伝動装置 ４……エンジン ５……入力軸 ６……後車輪 ７……サイドブレーキ ８……伝動ケース1 shows an embodiment of the present invention. FIG. 1 is a plan view,
2 is a side view, FIG. 3 is a partial side sectional view, FIG. 4 is a plan sectional view, FIG. 5 is a partial front sectional view, and FIG. 6 is a partial alternative embodiment. FIG. 7 is a side sectional view, and FIG. (Explanation of reference numerals) 1... Front wheel 2... Front wheel differential device 3... Speed change transmission device 4... Engine 5... Input shaft 6.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 神谷 寿 愛媛県伊予郡砥部町八倉１番地 井関農 機株式会社技術部内 審査官 亀丸 広司 (56)参考文献 特開 昭61−125923（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) B60K 17/04 - 17/08 B60K 17/28 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor, Hisashi Kamiya 1-Yachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Inspector, Iseki Agricultural Machinery Co., Ltd. Examiner Hiroshi Kamemaru (56) References JP-A-61-125923 (JP, A) (58) Fields surveyed (Int. Cl. 6 , DB name) B60K 17/04-17/08 B60K 17/28
Claims (1)
置を車体後方に装着し、車体の左右に前車輪１と後車輪
６とを設けた農作業機において、左右の前車輪１への動
力を伝動ケース８内の前輪差動装置２を介して該前輪差
動装置２の左右両外側方に伝動する構成とし、前記前輪
差動装置２より機体前方側の伝動ケース８の左右一側部
からエンジン４からの動力を伝動ケース８内に入力し、
前記前輪差動装置２より機体前方側で伝動ケース８内へ
の前記動力入力部側とは左右反対側から作業装置への動
力を伝動ケース８外に取り出す構成としたことを特徴と
する農作業機。1. An agricultural work machine in which a transmission case 8 is arranged on the front side of a vehicle body, a working device is mounted on the rear side of the vehicle body, and front wheels 1 and rear wheels 6 are provided on the left and right sides of the vehicle body. Power is transmitted to the left and right outer sides of the front wheel differential 2 via the front wheel differential 2 in the transmission case 8, and one side of the transmission case 8 on the front side of the fuselage with respect to the front wheel differential 2. Input the power from the engine 4 into the transmission case 8 from the
An agricultural work machine wherein power to the working device is taken out of the transmission case 8 from a side opposite to the power input portion side into the transmission case 8 on the front side of the body of the front wheel differential device 2 and outside the transmission case 8. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5588290A JP2964526B2 (en) | 1990-03-06 | 1990-03-06 | Farm work machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5588290A JP2964526B2 (en) | 1990-03-06 | 1990-03-06 | Farm work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03258615A JPH03258615A (en) | 1991-11-18 |
| JP2964526B2 true JP2964526B2 (en) | 1999-10-18 |
Family
ID=13011471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5588290A Expired - Fee Related JP2964526B2 (en) | 1990-03-06 | 1990-03-06 | Farm work machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2964526B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013203359A (en) * | 2012-03-29 | 2013-10-07 | Kubota Corp | Rice field working machine |
-
1990
- 1990-03-06 JP JP5588290A patent/JP2964526B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03258615A (en) | 1991-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090813 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |