JP4080654B2

JP4080654B2 - Grounding section of transplanter

Info

Publication number: JP4080654B2
Application number: JP30101899A
Authority: JP
Inventors: 芳夫石飛; 哲男芝田
Original assignee: MITSUBISHI NOUKI KABUSHIKI KAISHA
Current assignee: MITSUBISHI NOUKI KABUSHIKI KAISHA
Priority date: 1999-10-22
Filing date: 1999-10-22
Publication date: 2008-04-23
Anticipated expiration: 2019-10-22
Also published as: JP2001120020A

Description

【０００１】
【発明の属する技術分野】
本発明は、植付装置と代掻装置等の対地作業部を備えた移植機の対地作業部の改良に関する。
【０００２】
【従来の技術】
従来、図１に示す如く走行機体に８条植え等の多条植えを行なう植付装置２と、この植付装置２の前方で植付条の全巾にわたって代掻を行なう対地作業用のカゴ型のロータ３を備えた代掻装置２を装着した移植機Ａは、代掻同時植付作業を能率よく行なうことができる反面、機体巾が著しく大きいため、トラック等による荷積運搬が困難であり、特開平１０−３３０３２号公報に示される構造が採用されている。
【０００３】
即ち、植付装置２の苗載台２１は、両側の部分を折りたたみ機構を介して内側の苗載台２１の上方に重ねた格納姿勢にするとともに、ロータ３は、両側のロータを内側のロータから取外して別な所へ格納収容することにより機体巾を小さくして上記のような荷積運搬や納屋等への機体格納を行なうことができるように構成している。
【０００４】
【発明が解決しようとする課題】
しかし、上記公報に示されるような移植の対地作業部は、作業姿勢から格納姿勢にする際に、内外のロータ（固定ロータ）に対して外側のロータ（着脱ロータ）を取付ピン或いは取付ネジを介して取外したのち、単独で運搬又は格納するようにしており、外したロータの格納保管が面倒であるとともに、このロータの再取付けが面倒である等の欠点がある。
【０００５】
【課題を解決するための手段】
請求項１に係る発明は、従来技術の問題点を解決するためになされたものであって、走行機体１に複数条分の植付装置２を装着するとともに、該植付装置２の前方で地表の代掻作業等を行う対地作業部を備えた対地作業機３を設けた移植機において、前記対地作業部を内側の対地作業部６ａと、外側の対地作業部６とに分割して構成するとともに、外側の対地作業部６を内側の対地作業部６ａに連接させた作業姿勢から、苗載台２１の裏側に形成される空間部内に、内側の対地作業部６ａと外側の対地作業部６が苗載台の傾斜姿勢に沿って並列した略並行状の格納姿勢になるように設けた切換軸７６を介して植付装置２に外側の対地作業部６を支持したことを特徴としている。
【０００７】
請求項２に係る発明は、走行機体１に複数条分の植付装置２を装着するとともに、該植付装置２の前方で地表の代掻作業等を行う対地作業部を備えた対地作業機３を設けた移植機において、前記対地作業部を内側の対地作業部６ａと、外側の対地作業部６とに分割して構成するとともに、外側の対地作業部６を内側の対地作業部６ａに連接させた作業姿勢から苗載台２１の裏側において、該苗載台２１の傾斜姿勢に沿って起立姿勢になり、更に、苗載台２１の裏側に形成される空間部内に、内側の対地作業部６ａと外側の対地作業部６が苗載台２１の傾斜姿勢に沿って並列した略並行状の格納姿勢になるように設けた切換軸７６を介して植付装置２に外側の対地作業部６を支持したことを特徴としている。
【０００８】
【発明の実施の形態】
次に、図面を参照して本発明の一実施形態を説明する。
【０００９】
図１におけるＡは乗用型の移植機であり、前輪１ａと後輪１ｂに支持された機体（走行機体）１の上部に前方からエンジンと操縦ハンドル及び座席シート等からなる運転席を備え、その機体１の後部で植付け深さ自動制御動作される油圧シリンダ、トップリンク、ロアリンク等からなる昇降機構１０に植付装置２を昇降可能に設け、この昇降機構１０と連結される植付装置２の機体フレーム２０には苗の植付条をあらかじめ掻均す、本発明に係る代掻装置３を装着して代掻同時植付作業を行なうことができるようにしている。
【００１０】
上記植付装置２は、この実施形態では８条分の苗を植付けることができるように、従来の装置と同様な構成を有しており、上記機体フレーム２０に前傾状に支持される苗載台２１は、８枚のマット苗を平行して載置可能とし、またその下方には機体フレーム２０から後方にそれぞれ滑走体としてのフロート２３を備えた４本の植付ケース２２を延設し、この植付ケース２２の後端両側に苗載台２１からそれぞれ対応するマット苗を掻取って苗の植付けを行なう植付爪２５を設けた構成にしている。
【００１１】
そして、上記苗載台２１は左右両外側に位置する各２条分の側部苗載台２１ａを屈折リンク機構等からなる格納機構２６を介して、中央部の４条分の中部苗載台２１ｂに対して図１に示すように側面視で一連の８条分の苗載台２１の作業姿勢と、図２に示すように上段に重ねた格納姿勢となるように切換操作可能に構成している。
【００１２】
また前記代掻装置３とフロート２３を有する左右両外側に位置する植付ケース２２は、図２に示すように内側の植付ケース２２の後部上方に立設した取付腕２２ａに、前傾させて設けた支軸２２ｂに、図１で示す作業姿勢と図２で示す格納姿勢とに切換操作可能に構成している。
【００１３】
そしてこの切換操作にあたり、上記外側の植付ケース２２は、機体フレーム２０に一体的に横設した支持フレーム２７に固定しているとともに、この支持フレーム２７の端に外側の植付ケース２２を固定している可動支持フレーム２８を係脱可能に取付固定することができるようにしている。
【００１４】
次に図２〜図４を参照して代掻装置３の構成及び前記側部ロータ６の連結構造について説明する。
【００１５】
この代掻装置３は従来の装置と同様な構成で、機体１側から伝動軸３０及び伝動ケース３１を介して回転駆動されるロータ軸３２に、所定の支持間隔をもってカゴ型のロータ６ａ（内側の対地作業部）と側部ロータ６（外側の対地作業部）を複数個軸着し、各ロータ６ａ，６によって植付条の地面を掻均すことができるようにしており、このロータ軸３２の両端には側部ロータ６を軸着する外側ロータ軸３３を後述する連結構造によって着脱可能に固定している。
【００１６】
また、ロータ軸３２はその両端を機体フレーム２０に枢支した軸支杆７によって吊り下げ状態で軸支し、この軸支杆７に止着したカバー７０で上方を覆うとともに、外側ロータ軸３３は分割形成された側部ロータ６間で前記支持フレーム２７側から両側に向けて突設した支持腕７５に切換軸７６を介して回動可能に垂設した軸支杆７１によって軸支し、この軸支杆７１に固定したカバー７２で上方を覆っている。
【００１７】
次に図３及び図４を参照して外側ロータ軸３３の連結構造について説明する。
【００１８】
上記連結構造は六角中空筒の外側ロータ軸３３に内装される先端部にネジ部８０ａを形成したネジ杆８０の外側に、把持部８１を有する取付具８を、側部ロータ６の作業姿勢（図３）において六角中空筒のロータ軸３２外端に形成した雌ネジ部３５に螺合することにより、図３に示すように外側ロータ軸３３を軸支杆７，７で安定支持されているロータ軸３２の端部に簡単且つ強固に締着させるようにしている。
【００１９】
本実施形態によれば、取付具８を緩めてネジ杆８０を雌ネジ部３５から離脱すると、図４に示すように側部ロータ６を格納姿勢に切換可能な自由状態にすることができる。
【００２０】
即ち、側部ロータ６は図４で示すように、切換軸７６を支点に上方に略９０°回動させると、この側部ロータ６は図２に鎖線で示すようにカゴ型のドラム長を苗載台２１の裏側で、その傾斜姿勢に沿って屈折した起立姿勢に切換軸７６を中心に回動するように構成している。
【００２１】
また、上記側部ロータ６を起立姿勢から切換軸７６を支点にさらに略９０°程度上方に回動させると、この側部ロータ６は苗載台２１の裏側に形成されている空間部内に略水平姿勢に変姿させて、格納固定をすることができるようにしている。
【００２２】
以上のように構成した移植機Ａは、植付装置２と代掻装置３の作業姿勢において、耕起されたのち湛水させている圃場において、フロート２３を滑走させながら代掻装置３がロータ６ａと側部ロータ６の矢印方向（図２）の回動によって地表を掻均し、その直後に植付装置２が苗の植付けを所定の植付条に行なうものである。
【００２３】
そして代掻同時植付け作業が完了し、路上走行やトラック上への荷積運搬や格納を行なう場合には、側部ロータ６は苗載台２１の裏側の空間部内で苗載台の傾斜に沿って回動されて機外に突出することなく、コンパクトな格納姿勢になる。また、側部ロータ６は中央のロータ６ａと略平行状に格納固定されるので、この側部ロータ６の格納スペースを要することなく機体内において簡単な構成により、安定した状態で格納することができる等の利点がある。
【００２４】
なお、本実施形態の対地作業部としてカゴ型ロータを使用した代掻装置３を示したが、本発明はこれに限ることなく、例えば、ロータ軸３２に耕起用の爪を取着した耕土装置にしてもよいものである。
【００２５】
上記のように、本発明の移植機の対地作業部によれば、内側の対地作業部に対して外側の配置作業部を、上方に向けて折りたたんで対地作業部を格納姿勢に切換えるように構成したので、移植機の機体幅を小さくすることができ、この移植機の運搬や格納などを良好に行うことができる。また、作業時には前記と逆に元の状態におきさせればよいので、この作業を簡単に行うことができる。
【００２６】
また、外側の対地作業部を植付装置２の苗載台２１の背面の傾斜に沿わせた折り畳み姿勢にすることにより、走行機体と植付装置の間の空間を利用して対地作業部の格納姿勢と作業姿勢との切換作業を能率よく簡単に行なうと共に、移植機の全長を可及的に短く構成することができる。
【００２７】
そして外側の対地作業部を屈折回動させて苗載台２１の裏側で、内側の対地作業部と略平行状に折りたたむことで、外側の対地作業部を機外へ突出させることなく苗載台２１の裏側の空間部（懐部分）を利用してコンパクトで安定した状態に格納することができる。
【図面の簡単な説明】
【図１】移植機の側面図である。
【図２】植付装置の苗載台の格納姿勢と代掻装置の構成を示す側面図である。
【図３】代掻装置の構成を示す断面図である。
【図４】代掻装置の格納姿勢の態様を示す断面図である。
【符号の説明】
Ａ移植機（代掻同時移植機）１機体（走行機体）２植付装置
３代掻装置（対地作業部）６側部ロータ（外側の対地作業部）
６ａロータ（内側の対地作業部）３２ロータ軸
７１軸支杆７５支持腕７６切換軸[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement of a ground working unit of a transplanting machine including a ground working unit such as a planting device and a cutting device.
[0002]
[Prior art]
Conventionally, as shown in FIG. 1, a planting device 2 that performs multi-row planting such as 8-row planting on a traveling machine, and a groundworking basket that performs cutting over the entire width of the planting strip in front of the planting device 2. The transplanting machine A equipped with the shaving device 2 equipped with the type rotor 3 can efficiently carry out the shaving simultaneous planting work, but has a remarkably large body width, so it is difficult to carry and load the cargo by a truck or the like. Yes, the structure disclosed in Japanese Patent Laid-Open No. 10-33032 is adopted.
[0003]
That is, the seedling stage 21 of the planting device 2 is in a retracted posture in which both side portions are stacked above the inner seedling stage 21 via a folding mechanism, and the rotor 3 is configured so that the rotors on both sides are the inner rotors. It is configured so that the machine body can be stored in another place by reducing the width of the machine body and reducing the width of the machine body and storing the machine body in a barn or the like as described above.
[0004]
[Problems to be solved by the invention]
However, when the transplanted ground working unit as shown in the above publication is changed from the working posture to the retracted posture, the outer rotor (fixed rotor) is attached to the outer rotor (detachable rotor) with a mounting pin or mounting screw. After being removed, the rotor is transported or stored alone. Storage and storage of the removed rotor is troublesome, and reattachment of the rotor is troublesome.
[0005]
[Means for Solving the Problems]
Invention was made to solve the problems of the slave coming technology, with mounting the planting device 2 of plural rows worth the traveling machine body 1, the front of the plant with device 2 according to claim 1 In the transplanting machine provided with the ground working machine 3 provided with the ground working part for performing ground cutting work, etc., the ground working part is divided into an inner ground working part 6 a and an outer ground working part 6. The outer ground working unit 6 is connected to the inner ground working unit 6a from the working posture , and the inner ground working unit 6a and the outer ground working are formed in a space formed on the back side of the seedling stage 21. The outer ground working unit 6 is supported on the planting device 2 via a switching shaft 76 provided so that the unit 6 has a substantially parallel storage posture parallel to the tilting posture of the seedling stage. Yes.
[0007]
The invention according to claim 2 is a ground working machine equipped with a ground working unit for mounting a plurality of strips of the planting device 2 on the traveling machine body 1 and performing ground cutting work or the like in front of the planting device 2. 3, the ground working unit is divided into an inner ground working unit 6 a and an outer ground working unit 6, and the outer ground working unit 6 is used as an inner ground working unit 6 a. From the connected work posture, on the back side of the seedling table 21, it becomes a standing posture along the inclined posture of the seedling table 21. The outer ground work section is connected to the planting device 2 via a switching shaft 76 provided so that the part 6a and the outer ground work section 6 are in a substantially parallel storage posture in parallel with the inclination posture of the seedling stage 21. 6 is supported.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings.
[0009]
A in FIG. 1 is a passenger-type transplanter, which has a driver's seat composed of an engine, a steering handle, a seat, and the like from the front at the upper part of a body (running body) 1 supported by front wheels 1a and rear wheels 1b. A planting device 2 is provided in a lifting mechanism 10 composed of a hydraulic cylinder, a top link, a lower link, etc., which is automatically controlled at the rear part of the machine body 1 so as to be able to move up and down, and a planting device 2 connected to the lifting mechanism 10. The machine body frame 20 is equipped with a shaving device 3 according to the present invention, which is used to stir the seedling planting strips in advance so that simultaneous planting work can be performed.
[0010]
In this embodiment, the planting device 2 has a configuration similar to that of a conventional device so that it can plant seedlings for eight strips, and is supported by the machine body frame 20 in a tilted manner. The seedling mounting table 21 allows eight mat seedlings to be mounted in parallel, and below the four frame cases 22 each having a float 23 as a sliding body extending backward from the body frame 20. The planting claw 25 is provided on both sides of the rear end of the planting case 22 to scrape the corresponding mat seedlings from the seedling mount 21 to plant seedlings.
[0011]
And the said seedling mounting stand 21 is the middle part seedling mounting part for four strips of the center part through the storage mechanism 26 which consists of the refraction | linkage link mechanism etc. for the side part seedling mounting part 21a for two each located in the right and left both sides As shown in FIG. 1, the switch 21 is configured to be switchable so as to have a working posture of a series of eight seedling platforms 21 in a side view as shown in FIG. ing.
[0012]
In addition, the planting case 22 located on both the left and right outer sides having the scraping device 3 and the float 23 is tilted forward to a mounting arm 22a erected above the rear part of the inner planting case 22 as shown in FIG. The support shaft 22b provided can be switched between a working posture shown in FIG. 1 and a retracted posture shown in FIG.
[0013]
In this switching operation, the outer planting case 22 is fixed to a support frame 27 that is integrally provided in the body frame 20, and the outer planting case 22 is fixed to the end of the support frame 27. The movable support frame 28 can be attached and fixed in a detachable manner.
[0014]
Next, with reference to FIGS. 2-4, the structure of the scraping apparatus 3 and the connection structure of the said side part rotor 6 are demonstrated.
[0015]
This scraping device 3 has the same configuration as a conventional device, and a cage-type rotor 6a (inner side) with a predetermined support interval is provided on a rotor shaft 32 that is rotationally driven from the machine body 1 via a transmission shaft 30 and a transmission case 31. A plurality of side working parts) and side rotors 6 (outer ground working parts) are pivotally attached so that the grounds of the planting strips can be leveled by the rotors 6a and 6. An outer rotor shaft 33 that pivotally attaches the side rotor 6 is fixed to both ends of the detachable member 32 by a connecting structure described later.
[0016]
The rotor shaft 32 is pivotally supported by a shaft support 7 pivoted on the body frame 20 at both ends. The rotor shaft 32 is covered with a cover 70 fixed to the shaft support 7 and covered with the outer rotor shaft 33. Is supported by a shaft support rod 71 that is pivotably supported via a switching shaft 76 on a support arm 75 projecting from the side of the support frame 27 toward both sides between the side rotors 6 formed in a divided manner. A cover 72 fixed to the shaft support 71 covers the upper part.
[0017]
Next, the connection structure of the outer rotor shaft 33 will be described with reference to FIGS.
[0018]
In the above connecting structure, the fixture 8 having the gripping portion 81 is provided on the outer side of the screw rod 80 in which the screw portion 80a is formed at the tip portion housed in the outer rotor shaft 33 of the hexagonal hollow cylinder, and the working posture of the side rotor 6 ( 3), the outer rotor shaft 33 is stably supported by the shaft support rods 7 and 7 as shown in FIG. 3 by screwing into a female screw portion 35 formed at the outer end of the rotor shaft 32 of the hexagonal hollow cylinder. The end of the rotor shaft 32 is simply and firmly fastened.
[0019]
According to the present embodiment, when the fixture 8 is loosened and the screw rod 80 is detached from the female screw portion 35, the side rotor 6 can be brought into a free state that can be switched to the retracted posture as shown in FIG.
[0020]
That is, as shown in FIG. 4, when the side rotor 6 is rotated approximately 90 ° upward with the switching shaft 76 as a fulcrum, the side rotor 6 has a cage-shaped drum length as shown by a chain line in FIG. On the back side of the seedling stage 21, it is configured to rotate around a switching shaft 76 to a standing posture refracted along the inclined posture.
[0021]
Further, when the side rotor 6 is further rotated about 90 degrees upward from the standing posture with the switching shaft 76 as a fulcrum, the side rotor 6 is substantially within a space formed on the back side of the seedling stage 21. It is transformed into a horizontal posture so that it can be stored and fixed.
[0022]
In the transplanting machine A configured as described above, in the working posture of the planting device 2 and the shaving device 3, the shaving device 3 is rotated by the rotor 23 while sliding the float 23 in a field that is cultivated and then submerged. The ground surface is leveled by the rotation of 6a and the side rotor 6 in the direction of the arrow (FIG. 2). Immediately after that, the planting apparatus 2 performs seedling planting on a predetermined planting line.
[0023]
Then, when the planting operation is completed, and when traveling on the road or carrying and storing the load on the truck, the side rotor 6 follows the inclination of the seedling stage in the space on the back side of the seedling stage 21. So that it can be retracted without projecting out of the machine. Further, since the side rotor 6 is stored and fixed substantially parallel to the central rotor 6a, the side rotor 6 can be stored in a stable state with a simple configuration in the body without requiring a storage space for the side rotor 6. There are advantages such as being able to.
[0024]
In addition, although the scraping device 3 which uses the cage type rotor as the ground working part of this embodiment was shown, this invention is not restricted to this, For example, the cultivation soil device which attached the nail | claw for tillage to the rotor axis | shaft 32 It may be.
[0025]
As described above, according to the ground working section of the transplanter of the present invention, the outer placement working section is folded upward with respect to the inner ground working section, and the ground working section is switched to the retracted posture. Therefore, the body width of the transplanter can be reduced , and the transplanter can be transported and stored well. Moreover, since it is only necessary to leave it in the original state at the time of work, this work can be easily performed.
[0026]
Moreover, by making the outer ground working part into a folding posture along the inclination of the back surface of the seedling platform 21 of the planting device 2, the space between the traveling machine body and the planting device can be used. The switching operation between the retracted posture and the working posture can be performed efficiently and easily, and the total length of the transplanter can be made as short as possible.
[0027]
Then, the outer ground working unit is refracted and folded on the back side of the seedling stage 21 so as to be substantially parallel to the inner ground working unit, so that the outer ground working unit does not protrude outside the machine. 21 can be stored in a compact and stable state by utilizing the space (back portion) on the back side of 21.
[Brief description of the drawings]
FIG. 1 is a side view of a transplanter.
FIG. 2 is a side view showing a storing posture of a seedling stage of a planting device and a configuration of a cutting device.
FIG. 3 is a cross-sectional view showing a configuration of a substitution device.
FIG. 4 is a cross-sectional view showing an aspect of the storage posture of the substitution device.
[Explanation of symbols]
A transplanting machine (simultaneous grafting machine) 1 Airframe (running machine) 2 Planting device 3 Curing device (ground working part) 6 Side rotor (outside ground working part)
6a Rotor (inner ground working part) 32 Rotor shaft 71 Shaft support 75 Support arm 76 Switching shaft

Claims

In the transplanting machine provided with the ground working machine 3 provided with the ground working unit that performs the ground cutting work and the like in front of the planting equipment 2 while mounting the planting equipment 2 for a plurality of strips on the traveling machine body 1, a ground working portion 6a of the inner said ground working portion, as well as configuration is divided into the outer ground work part 6, a working posture that is connected outside the ground work part 6 on the inner side of the ground working portion 6a, seedlings In the space portion formed on the back side of the mounting table 21, the inner ground working unit 6 a and the outer ground working unit 6 are provided so as to have a substantially parallel storage posture in parallel along the tilting posture of the seedling mounting table. A ground working unit for a transplanter , wherein the outside ground working unit 6 is supported on the planting device 2 via a switching shaft 76 .

In the transplanting machine provided with the ground working machine 3 provided with the ground working unit that performs the ground cutting work and the like in front of the planting equipment 2 while mounting the planting equipment 2 for a plurality of strips on the traveling machine body 1, The ground working unit is divided into an inner ground working unit 6a and an outer ground working unit 6 and is constructed from a working posture in which the outer ground working unit 6 is connected to the inner ground working unit 6a. On the back side of the stand 21, it is in a standing posture along the inclined posture of the seedling stand 21. Further, in the space formed on the back side of the seedling stand 21, the inner ground working portion 6 a and the outer ground working portion. The outer ground working unit 6 is supported on the planting device 2 via a switching shaft 76 provided so that 6 has a substantially parallel storage posture parallel to the inclined posture of the seedling stage 21. The ground working section of the transplanter.