JP3377300B2 - Seedling plant for Tajo rice transplanter - Google Patents
Seedling plant for Tajo rice transplanterInfo
- Publication number
- JP3377300B2 JP3377300B2 JP14386994A JP14386994A JP3377300B2 JP 3377300 B2 JP3377300 B2 JP 3377300B2 JP 14386994 A JP14386994 A JP 14386994A JP 14386994 A JP14386994 A JP 14386994A JP 3377300 B2 JP3377300 B2 JP 3377300B2
- Authority
- JP
- Japan
- Prior art keywords
- seedling
- seedling placing
- movable
- fixed
- folded
- 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
- Transplanting Machines (AREA)
Description
【発明の詳細な説明】
【０００１】
【産業上の利用分野】この発明は、複数の苗載せ部を横
方向に配置した多条田植機の苗載せ装置に係り、詳しく
は展開および折畳可能な苗載せ台に関するものである。
【０００２】
【従来の技術】従来の多条田植機の苗載せ装置の一例と
して実公昭６０−２７２７号公報に示されたものがあ
る。この多条田植機は、苗を載置した複数の苗載せ部を
横方向に並列配置して苗載せ台を形成し、最外側に位置
する可動苗載せ部とそれの内側に隣接位置する固定苗載
せ部とを、これら両苗載せ部の表面側に突設する苗葉押
え杆を蝶番により連結し、この蝶番を回動支点として前
記可動苗載せ部を、前記固定苗載せ部に対して、横方向
に並列位置させた展開姿勢からそれに重ね合わせた折畳
姿勢に切替えるようにしたものである。
【０００３】このような苗載せ装置は、前記苗載せ台の
横方向最外側に位置する可動苗載せ部を、それの内側に
隣接する固定苗載せ部に、苗載せ面を互いに合わせるよ
うに重合させて折畳配置し、また可動苗載せ部と固定苗
載せ部とを同一平面に横方向に並列させて展開配置する
ものである。
【０００４】また、田植機の苗載せ装置の他例として実
開平４−１１３５２３号公報に示されたものがある。こ
の田植機は、苗載せ台の背面に配置されたアクチュエー
タを備えており、このアクチュエータは、苗載せ台の左
右最外側に位置する折畳部を作業位置と折畳位置とに切
替え作動し、前記折畳部は、中央の固定苗載せ部に対し
て直角に起立した状態で折畳まれるものである。
【０００５】
【発明が解決しようとする課題】このような従来の多条
田植機において、前者のものは、前記苗載せ台を折畳ん
だ状態では、可動苗載せ部の苗葉押え杆が、固定苗載せ
部の苗葉押え杆に重合することになるので、折畳状態で
は苗載せ台の厚さが厚くなるばかりか、苗を載置した状
態で可動苗載せ部を、固定苗載せ部に折畳むことができ
ないという問題がある。また、運転席の後方に粒状施肥
機などの作業機が接続されている場合は、可動苗載せ部
を折畳むことができないという問題がある。
【０００６】後者のものは、左右最外側の折畳部を、中
央の固定苗載せ部に対して直角に倒して折畳むようにし
ているので、左右最外側の折畳部に苗を載せたまま、こ
れを折畳むことはできず、また折畳状態においては左右
最外側の折畳部が地面に接触しないようにするために、
固定苗載せ部を上昇位置に保持する必要があり、構造が
複雑化してしまうと共に上昇位置に保持させる信頼性に
問題がある。
【０００７】そこで、本出願人は、可動苗載せ部と固定
苗載せ部とを揺動アームにより連結し、両苗載せ部の同
じ面を同一方向に向けて重合配置するようにした関連の
多条田植機の苗載せ装置を発明するに至ったが、この苗
載せ装置は、可動苗載せ部を固定苗載せ部に対して開閉
させる際に、揺動アームの一端が苗載せ部に沿って摺動
するように構成されているために、この苗載せ部に泥土
などが付着した場合に、揺動アームが摺動ができなくな
り、可動苗載せ部の折畳および展開が不可能になってし
まうという問題がある。
【０００８】この発明は、上記のような課題を解消する
ためになされたもので、固定苗載せ部に対する可動苗載
せ部の折畳および展開が確実にできるようにし、折畳ん
だ状態の苗載せ台の厚さを極力薄くするようにすると共
に、可動苗載せ部を折畳んだ状態で、固定苗載せ部を上
昇位置に保持する必要がないようにし、また苗を載せた
状態でも可動苗載せ部の折畳および展開を可能とし、さ
らに田植機の走行ができるようにした多条田植機の苗載
せ装置を提供することを目的とする。
【０００９】
【課題を解決するための手段】そこで、上記目的を達成
するため、この発明に係る多条田植機の苗載せ装置で
は、苗を載置した苗載せ部を横方向に複数配置して苗載
せ台（１２）を形成し、展開状態において少なくとも横
方向最外側に位置する可動苗載せ部（１３ｂ）を固定苗
載せ部（１３ａ）に重合して前記苗載せ台（１２）を折
畳可能としたものであって、前記固定苗載せ部（１３
ａ）の背面に回動自在に連結された揺動アーム（１９）
と前記可動苗載せ部（１３ｂ）の背面に回動自在に連結
された連結リンク（２０）との先端どうしを互いに回動
自在に連結すると共に、 前記固定苗載せ部（１３ａ）の
表面に起立部材（２７）を立設し、折畳状態の前記可動
苗載せ部（１３ｂ）を前記起立部材（２７）に支持させ
る支持部材（２５）を、前記可動苗載せ部（１３ｂ）の
背面に備え、前記揺動アーム（１９）を起立させた折畳
状態では前記可動苗載せ部（１３ｂ）と前記固定苗載せ
台（１３ａ）との同じ面を同一方向に向けて重合配置し
てなる、ことを特徴とする。
【００１０】
【００１１】
【作用】以上の構成に基づき、苗載せ台（１２）の展開
状態では、固定苗載せ部（１３ａ）の外側に可動苗載せ
部（１３ｂ）を隣接配置する。そして、折畳状態では起
立部材（２７）に支持部材（２５）を支持させて揺動ア
ーム（１９）と起立部材（２７）とにより固定苗載せ部
（１３ａ）に対して可動苗載せ部（１３ｂ）を、それぞ
れの同じ面を同一方向に向けて重合配置する。また、可
動苗載せ部（１３ｂ）を固定苗載せ部（１３ａ）に対し
て重合配置する場合または隣接配置する場合は、揺動ア
ーム（１９）と連結リンク（２０）とを連結した距離を
半径として可動苗載せ部（１３ｂ）を回動させる。
【００１２】なお、上述の括弧内の符号は、図面を対照
するためのものであるが、この発明の構成を何ら限定す
るものではない。
【００１３】
【実施例】以下、この発明の実施例を図面に基づいて詳
細に説明する。
【００１４】図１乃至図４は、この発明の苗載せ装置を
装着した乗用の多条田植機を示すもので、乗用田植機１
はその前側が走行車２となっており、その後側に苗載せ
装置３が昇降リンク機構５を介して装着・支持されてい
る。
【００１５】前記走行車２は、前輪６および後輪７によ
り支持されている走行機体８を有しており、この走行機
体８の前輪６より前方にエンジン部９が搭載されてい
る。また、前記苗載せ装置３は、その下部にフロート１
０が配置され、このフロート１０の上方に植付け装置１
１が配置されると共に、この植付け装置１１の上方には
苗載せ台１２が、斜め前方に向けて傾斜して配設されて
いる。
【００１６】この苗載せ台１２は、図３乃至図５に示す
ように複数状の苗を載置する固定苗載せ部１３ａと、同
様に複数状の苗を載置する可動苗載せ部１３ｂと、これ
ら固定苗載せ部１３ａおよび可動苗載せ部１３ｂを載置
・摺動するエプロン１５ａ，１５ｂとからなる。そし
て、左右両端のエプロン１５ｂは、固定苗載せ部１３ａ
側のエプロン１５ａに対して折曲自在に取付けられてい
る。前記固定苗載せ部１３ａは、横方向に複数配置さ
れ、この固定苗載せ部１３ａの横方向のさらに外側に前
記可動苗載せ部１３ｂが配置されている。可動苗載せ部
１３ｂの横方向内側端には、図６乃至図９に示すように
係止突起１６が突設されると共に、この係止突起１６と
対向する固定苗載せ部１３ａの外側端には、係止突起１
６の挿入が可能な係止溝１７が設けられている。前記固
定苗載せ部１３ａと可動苗載せ部１３ｂとの背面は、図
６乃至図９に示すように連結部材によって連結され、こ
の連結部材は苗載せ台１２の上下２箇所に設けられてい
る。この連結部材はコ字状の揺動アーム１９および連結
リンク２０を連結したものである。すなわち、前記連結
部材は、図１０に示すように前記固定苗載せ部１３ａの
背面の外側端に突設されたブラケット２１に前記揺動ア
ーム１９の一端を回動自在に支持し、この揺動アーム１
９の他端に連結リンク２０の一端を回動自在に支持し、
さらにこの連結リンク２０の他端を可動苗載せ部１３ｂ
の背面側に突設されたブラケット２３に回動自在に支持
して連結されたもので、揺動アーム１９側から順に各連
結部分が、連結支点２２ａ，２２ｂ，２２ｃとなってい
る。
【００１７】また、前記可動苗載せ部１３ｂの背面に
は、図５乃至図９に示すように展開状態の可動苗載せ部
１３ｂと固定苗載せ部１３ａとを連結する支持部材２５
が設けられている。この支持部材２５は連結杆２５ａ
と、ナット部２５ｂとからなり、連結杆２５ａは、前記
可動苗載せ部１３ｂの横方向両端部に突設された軸受ブ
ロック２６を貫通して設けられ、先端にねじが形成さ
れ、手元側にハンドルが形成ている。またナット部２５
ｂは、前記固定苗載せ部１３ａの横方向最外側端のブラ
ケット２１に挿着されている。そして、前記可動苗載せ
部１３ｂを展開状態に配置する時には、連結杆２５ａの
先端をナット部２５ｂに螺着させる。
【００１８】さらに、前記可動苗載せ部１３ｂに隣接す
る前記固定苗載せ部１３ａの表面内側には、図６乃至図
９に示すように起立部材２７が立設されている。そし
て、この起立部材２７には可動苗載せ部１３ｂを折畳状
態に配置する時に、前記係止突起１６が挿入する係止孔
２７ａが穿設されると共に、支持部材２５の連結杆２５
ａが螺合する螺孔２７ｂが形成されている。前記苗載せ
台１２の折畳状態では、固定苗載せ部１３ａと可動苗載
せ部１３ｂとの同じ面を同一方向に向けて図９に示すよ
うに重合配置することになり、この場合、可動苗載せ部
１３ｂの係止突起１６が係止孔２７ａに挿入支持され、
かつ連結杆２５ａが螺孔２７ｂに螺着されることにな
る。
【００１９】前記固定苗載せ部１３ａおよび可動苗載せ
部１３ｂには、図５に示すようにそれぞれ植付け装置１
１に苗を送るコンベヤベルトからなる苗搬送部２９ａ，
２９ｂが装着されている。固定苗載せ部１３ａの苗搬送
部２９ａは図１１乃至図１３に示すように駆動軸３０ａ
によって駆動され、可動苗載せ部１３ｂの苗搬送部２９
ｂは図１１乃至図１３に示すように駆動軸３０ｂによっ
て駆動される。そして、固定苗載せ部１３ａの駆動軸３
０ａの連結端にはスプリング３１ａを介してカップリン
グ部材３１が装着されている。前記可動苗載せ部１３ｂ
の駆動軸３０ｂには前記カップリング部材３１の係合溝
３１ｂに係合するピン３２が貫通し、係合溝３１ｂにピ
ン３２を係合させて両駆動軸３０ａ，３０ｂを連結させ
ている。なお、可動苗載せ部１３ｂおよび固定苗載せ部
１３ａのそれぞれの苗載置面には苗葉押え杆３３が装着
されている。
【００２０】次に、作用について説明する。
【００２１】植付け作業を行う場合は、可動苗載せ部１
３ａの係止突起１６を固定苗載せ部１３ａの係止溝１７
に挿入し、かつカップリング部材３１の係合溝３１ｂに
ピン３２を係合させて、固定苗載せ部１３ａの駆動軸３
０ａと可動苗載せ部１３ｂの駆動軸３０ｂとを連結する
と共に、連結杆２５ａをナット部２５ｂに螺着させて固
定苗載せ部１３ａと可動苗載せ部１３ｂとを展開状態で
連結する。そして、前記駆動軸３０ａ，３０ｂを走行車
２からの動力によって駆動し、固定苗載せ部１３ａおよ
び可動苗載せ部１３ｂ上に載置されている苗を苗搬送部
２９ａ，２９ｂによって搬送し、各植付け装置１１によ
り苗を挟持して圃場に植付ける。
【００２２】また、乗用田植機１を走行移動させる際に
は、図６に示すように展開状態にある可動苗載せ部１３
ｂを図９に示すように折畳んで固定苗載せ部１３ａ上に
重合配置する。すなわち、支持部材２５の連結杆２５ａ
とナット部２５ｂとの螺合を外すと共に、固定苗載せ部
１３ａの駆動軸３０ａと可動苗載せ部１３ｂの駆動軸３
０ｂとの連結を外す。そして、固定苗載せ部１３ａから
可動苗載せ部１３ｂを引き離し、係止突起１６を係止溝
１７から抜き去る（図７）。これにより固定苗載せ部１
３ａと可動苗載せ部１３ｂとを連結している揺動アーム
１９および連結リンク２０を、連結支点２２ａから連結
支点２２ｃまでの直線距離を半径として、かつ連結支点
２２ａを中心に図８に示すように回動させる。この場
合、固定苗載せ部１３ａおよび可動苗載せ部１３ｂの苗
載置面を同一方向に向けながら、連結部材を回動させ
る。そして、揺動アーム１９を略々直角状態に起立配置
させ、次いで、連結支点２２ｂを中心に可動苗載せ部１
３ｂを回動させて、連結リンク２０を可動苗載せ部１３
ｂの背面に沿って配置させる。その後、前記連結杆２５
ａの先端を螺孔２７ｂに螺着すると共に、係止突起１６
を係止孔２７ａに挿入する。これにより固定苗載せ部１
３ａと可動苗載せ部１３ｂとの同じ面を同一方向に向け
た折畳状態に重合配置することができる。
【００２３】上述のように固定苗載せ部１３ａと可動苗
載せ部１３ｂとを揺動アーム１９および連結リンク２０
により連結し、固定苗載せ部１３ａの苗載置面と可動苗
載せ部１３ｂの苗載置面とを同一方向に向けながら、可
動苗載せ部１３ｂを回動できるようにしたので、可動苗
載せ部１３ｂに苗を載せたまま苗載せ台１２を展開させ
たり折畳んだりすることができる。また、可動苗載せ部
１３ｂの苗載置面と固定苗載せ部１３ａの苗載置面とを
同一方向に重ねるようにしたので、苗載せ台１２を重合
配置した折畳状態において、可動苗載せ部１３ｂの苗葉
押え杆３３と固定苗載せ部１３ａの苗葉押え杆３３とが
干渉せず、折畳状態においての苗載せ台１２の厚さを最
小限にすることができる。また、可動苗載せ部１３ｂを
折畳んでもこれが地面に接触せず、よって苗載せ台１２
を上昇位置に保持する必要がない。そして、可動苗載せ
部１３ｂに苗を載せたままで乗用田植機１を走行させる
ことができる。
【００２４】なお、上記実施例では、固定苗載せ部１３
ａの駆動軸３０ａと可動苗載せ部１３ｂの駆動軸３０ｂ
とを連結するカップリング部材３１を、係合溝３１ｂに
ピン３２を係合させる構成としているが、図１４および
図１５に示すようにクラッチ板３５ａ，３５ｂおよびス
プリング３５ｃによってカップリング部材３５を構成す
るようにしてもよい。
【００２５】
【発明の効果】以上の説明から明らかなようにこの発明
によれば、固定苗載せ部と可動苗載せ部とを揺動アーム
および連結リンクによって連結すると共に、それぞれの
連結部分を回動自在に支持し、かつ固定苗載せ部の表面
に起立部材を立設し、折畳状態の可動苗載せ部を起立部
材に支持させる支持部材を可動苗載せ部の背面に備え、
苗載せ台の展開状態では、固定苗載せ部の外側に可動苗
載せ部を隣接配置すると共に、揺動アームを起立させた
苗載せ台の折畳状態では、可動苗載せ部と固定苗載せ部
との同じ面を同一方向に向けて重合配置するようにした
ので、折畳状態において可動苗載せ部と固定苗載せ部と
が干渉せず、苗載せ台の厚さを最小限にすることができ
る。また、可動苗載せ部を折畳んでもこれが地面に接触
せず、さらに可動苗載せ部に苗を載せたままで折畳むこ
とができ、よって可動苗載せ部に苗を載せたまま田植機
を走行させることができる。また、固定苗載せ部および
可動苗載せ部に苗を載せたまま苗載せ台の折畳および展
開ができるので、作業能率を向上できる。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling placing apparatus for a multi-row rice transplanter in which a plurality of seedling placing sections are arranged in a horizontal direction, and more specifically, to a deployable and foldable type. It is about a nursery stand. 2. Description of the Related Art An example of a conventional seedling placing apparatus for a multi-row rice transplanter is disclosed in Japanese Utility Model Publication No. Sho 60-2727. In this multi-row rice transplanter, a plurality of seedling mounting portions on which seedlings are mounted are arranged in parallel in the horizontal direction to form a seedling mounting table, and the outermost movable seedling mounting portion and a fixed adjacently located inside the movable seedling mounting portion. The seedling placing part is connected to a seedling holding rod projecting from the front side of both seedling placing parts by a hinge, and the movable seedling placing part is fixed to the fixed seedling placing part by using the hinge as a pivot point. , Is switched from the unfolded posture arranged in the lateral direction to the folded posture superimposed on the unfolded posture. [0003] In such a seedling mounting device, a movable seedling mounting portion located on the outermost side in the lateral direction of the seedling mounting base is superimposed on a fixed seedling mounting portion adjacent to the inside thereof so that the seedling mounting surfaces are aligned with each other. The movable seedling placing part and the fixed seedling placing part are deployed and arranged side by side in the same plane in the horizontal direction. Another example of a seedling placing device for a rice transplanter is disclosed in Japanese Utility Model Laid-Open No. 4-113523. This rice transplanter is provided with an actuator arranged on the back of the seedling mounting table, the actuator switches the folding portion located on the left and right outermost sides of the seedling mounting table to a working position and a folding position, and operates. The folding section is folded in a state of standing upright at a right angle to the central fixed seedling placing section. [0005] In such a conventional multi-row rice transplanter, in the former one, when the seedling mounting table is folded, the seedling holding rod of the movable seedling mounting section is in the form of: Since the seedling holding rod in the fixed seedling mounting part will overlap with the seedling holding rod, not only the thickness of the seedling mounting base becomes thick in the folded state, but also the movable seedling mounting part with the seedling mounted, the fixed seedling mounting part There is a problem that cannot be folded. Further, when a working machine such as a granular fertilizer is connected behind the driver's seat, there is a problem that the movable seedling placing portion cannot be folded. In the latter, the left and right outermost folded portions are folded at right angles to the central fixed seedling placing portion, so that the seedlings are placed on the left and right outermost folded portions. This can not be folded, and in the folded state, so that the left and right outermost folds do not touch the ground,
It is necessary to hold the fixed seedling mounting portion at the raised position, which complicates the structure and has a problem in reliability of holding the fixed seedling mounting portion at the raised position. In view of this, the present applicant has proposed a related art in which a movable seedling placing portion and a fixed seedling placing portion are connected by a swing arm, and the same surfaces of both seedling placing portions are overlapped so as to face in the same direction. The inventor of the seedling placing device of the row rice planting machine has come to invent, but this seedling placing device, when opening and closing the movable seedling placing portion with respect to the fixed seedling placing portion, one end of the swing arm along the seedling placing portion. Because of the sliding configuration, when mud or the like adheres to the seedling placing portion, the swing arm cannot slide, and the movable seedling placing portion cannot be folded and unfolded. Problem. SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is intended to reliably fold and unfold a movable seedling placing part with respect to a fixed seedling placing part, so that a folded seedling placing part is provided. The thickness of the stand should be made as thin as possible, and it is not necessary to hold the fixed seedling mounting part in the raised position when the movable seedling mounting part is folded, and the movable seedling is mounted even when the seedling is mounted. It is an object of the present invention to provide a seedling placing device for a multi-row rice transplanter, which enables folding and unfolding of the section and further allows the rice transplanter to run. Therefore, in order to achieve the above object, a seedling placing apparatus for a multi-row rice transplanter according to the present invention has a plurality of seedling placing portions on which seedlings are placed, which are arranged in a lateral direction. And a movable seedling mounting portion (13b) located at least on the outermost side in the horizontal direction in the unfolded state is overlapped with the fixed seedling mounting portion (13a) to fold the seedling mounting base (12). The fixed seedling placing part (13
Swing arm (19) rotatably connected to the back of a)
The ends of a connecting link (20) rotatably connected to the back surface of the movable seedling mounting portion (13b) are rotatably connected to each other , and the fixed seedling mounting portion (13a) is
An upright member (27) is erected on the surface, and the movable member is folded.
The seedling placing portion (13b) is supported by the upright member (27).
The supporting member (25) of the movable seedling placing portion (13b).
Folding with the swing arm (19) standing upright, provided on the back
In the state, the movable seedling mounting part (13b) and the fixed seedling mounting
The same surface as the table (13a) is superposed and arranged in the same direction.
It is characterized by that. Based on the above configuration, the movable seedling mounting portion (13b) is arranged adjacent to the outside of the fixed seedling mounting portion (13a) when the seedling mounting base (12) is deployed. In the folded state, the supporting member (25) is supported by the upright member (27), and the movable seedling placing portion (13a) is moved relative to the fixed seedling placing portion (13a) by the swing arm (19) and the standing member (27). 13b) are superposed and arranged with the same surfaces facing in the same direction. Further, when the movable seedling placing portion (13b) is arranged to overlap or be adjacent to the fixed seedling placing portion (13a), the distance between the swing arm (19) and the connecting link (20) is determined by the radius. The movable seedling placing part (13b) is rotated. Note that the reference numerals in parentheses described above are for comparing the drawings, but do not limit the configuration of the present invention. Embodiments of the present invention will be described below in detail with reference to the drawings. FIGS. 1 to 4 show a riding multi-row rice transplanter equipped with the seedling placing apparatus of the present invention.
The front side is a traveling vehicle 2, and a seedling placing device 3 is mounted and supported on the rear side via a lifting link mechanism 5. The traveling vehicle 2 has a traveling body 8 supported by a front wheel 6 and a rear wheel 7, and an engine section 9 is mounted on the traveling body 8 in front of the front wheels 6. The seedling placing device 3 has a float 1 at its lower part.
0, and the planting device 1 is disposed above the float 10.
1, and a seedling mounting table 12 is provided above the planting device 11 so as to be inclined obliquely forward. As shown in FIGS. 3 to 5, the seedling mounting table 12 includes a fixed seedling mounting section 13a for mounting a plurality of seedlings, and a movable seedling mounting section 13b for mounting a plurality of seedlings. Aprons 15a and 15b on which the fixed seedling placing portion 13a and the movable seedling placing portion 13b are placed and slid. The left and right aprons 15b are fixed fixed seedling placing portions 13a.
It is attached to the side apron 15a so as to be freely bent. A plurality of the fixed seedling placing portions 13a are arranged in the lateral direction, and the movable seedling placing portion 13b is arranged further outside in the horizontal direction of the fixed seedling placing portion 13a. At the laterally inner end of the movable seedling placing portion 13b, a locking projection 16 is projected as shown in FIGS. 6 to 9, and at the outer end of the fixed seedling placing portion 13a opposed to the locking projection 16. Is the locking projection 1
6 is provided with a locking groove 17 into which the 6 can be inserted. The rear surfaces of the fixed seedling placing part 13a and the movable seedling placing part 13b are connected by connecting members as shown in FIGS. 6 to 9, and these connecting members are provided at two upper and lower positions of the seedling placing base 12. This connecting member connects the U-shaped swing arm 19 and the connecting link 20. That is, as shown in FIG. 10, the connecting member rotatably supports one end of the swing arm 19 on a bracket 21 protruding from the outer end of the back surface of the fixed seedling placing portion 13a. Arm 1
9, one end of the connecting link 20 is rotatably supported at the other end,
Further, the other end of the connecting link 20 is connected to the movable seedling placing portion 13b.
, Which are rotatably supported and connected to a bracket 23 protruding from the rear side of the oscillating arm 19, and each connecting portion serves as connecting fulcrums 22 a, 22 b, and 22 c in order from the swing arm 19 side. A support member 25 for connecting the movable seedling mounting portion 13b and the fixed seedling mounting portion 13a in the unfolded state is provided on the back surface of the movable seedling mounting portion 13b as shown in FIGS.
Is provided. This support member 25 is connected to a connecting rod 25a.
And a nut portion 25b, and the connecting rod 25a is provided through a bearing block 26 protruding from both lateral ends of the movable seedling placing portion 13b. A handle is formed. Also nut part 25
b is inserted into the bracket 21 at the outermost side in the lateral direction of the fixed seedling placing portion 13a. When disposing the movable seedling placing portion 13b in the deployed state, the tip of the connecting rod 25a is screwed to the nut portion 25b. Further, an upright member 27 is erected on the inner side of the surface of the fixed seedling placing portion 13a adjacent to the movable seedling placing portion 13b, as shown in FIGS. When the movable seedling placing portion 13b is arranged in the folded state, the upright member 27 is provided with a locking hole 27a into which the locking projection 16 is inserted.
A screw hole 27b into which a is screwed is formed. In the folded state of the seedling placing table 12, the same surface of the fixed seedling placing portion 13a and the movable seedling placing portion 13b is oriented in the same direction as shown in FIG. The locking projection 16 of the mounting portion 13b is inserted and supported in the locking hole 27a,
In addition, the connecting rod 25a is screwed into the screw hole 27b. As shown in FIG. 5, each of the fixed seedling placing part 13a and the movable seedling placing part 13b
1, a seedling transport section 29a comprising a conveyor belt for sending seedlings to
29b is mounted. The seedling transport section 29a of the fixed seedling placing section 13a has a drive shaft 30a as shown in FIGS.
The seedling transport section 29 of the movable seedling placing section 13b is driven by the
b is driven by a drive shaft 30b as shown in FIGS. Then, the drive shaft 3 of the fixed seedling placing portion 13a
A coupling member 31 is attached to a connection end of the connection member 0a via a spring 31a. The movable seedling mounting part 13b
A pin 32 that engages with the engagement groove 31b of the coupling member 31 penetrates the drive shaft 30b, and the drive shaft 30a and 30b are connected by engaging the pin 32 with the engagement groove 31b. Note that a seedling holding rod 33 is attached to each of the seedling placing surfaces of the movable seedling placing portion 13b and the fixed seedling placing portion 13a. Next, the operation will be described. When the planting operation is performed, the movable seedling placing portion 1
The locking projection 16 of 3a is fixed to the locking groove 17 of the fixed seedling placing portion 13a.
And the pin 32 is engaged with the engagement groove 31b of the coupling member 31, and the drive shaft 3 of the fixed seedling placing portion 13a is
0a and the drive shaft 30b of the movable seedling placing portion 13b, and the connecting rod 25a is screwed into the nut portion 25b to connect the fixed seedling placing portion 13a and the movable seedling placing portion 13b in an expanded state. Then, the drive shafts 30a and 30b are driven by the power from the traveling vehicle 2, and the seedlings placed on the fixed seedling placing portion 13a and the movable seedling placing portion 13b are transported by the seedling transporting portions 29a and 29b. The seedling is held by the planting device 11 and planted in the field. When the riding rice transplanter 1 is moved, the movable seedling placing portion 13 in the unfolded state as shown in FIG.
b is folded and overlapped on the fixed seedling placing portion 13a as shown in FIG. That is, the connecting rod 25a of the support member 25
Of the fixed seedling placing part 13a and the drive shaft 3 of the movable seedling placing part 13b.
Disconnect the connection with 0b. Then, the movable seedling placing part 13b is separated from the fixed seedling placing part 13a, and the locking projection 16 is pulled out from the locking groove 17 (FIG. 7). With this, fixed seedling placing part 1
As shown in FIG. 8, the swing arm 19 and the connecting link 20 connecting the movable seedling 3a and the movable seedling placing part 13b are formed by using the linear distance from the connecting fulcrum 22a to the connecting fulcrum 22c as a radius and centering on the connecting fulcrum 22a. To rotate. In this case, the connecting member is rotated while the seedling placing surfaces of the fixed seedling placing portion 13a and the movable seedling placing portion 13b are oriented in the same direction. Then, the swing arm 19 is placed upright at a substantially right angle, and then the movable seedling placing part 1 is pivoted about the connecting fulcrum 22b.
3b, the connecting link 20 is moved to the movable
b. Then, the connecting rod 25
a into the screw hole 27b and the locking projection 16
Into the locking hole 27a. With this, fixed seedling placing part 1
3a and the movable seedling placing part 13b can be arranged in a folded state with the same surface facing the same direction. As described above, the fixed seedling placing portion 13a and the movable seedling placing portion 13b are connected to the swing arm 19 and the connecting link 20.
The movable seedling mounting portion 13b can be rotated while the seedling mounting surface of the fixed seedling mounting portion 13a and the seedling mounting surface of the movable seedling mounting portion 13b are oriented in the same direction. The seedling mounting table 12 can be expanded or folded while the seedlings are placed on the portion 13b. In addition, since the seedling placing surface of the movable seedling placing portion 13b and the seedling placing surface of the fixed seedling placing portion 13a are overlapped in the same direction, the movable seedling placing portion 12 is placed in a folded state in which the seedling placing stand 12 is overlapped. The seedling holding rod 33 of the portion 13b and the seedling holding rod 33 of the fixed seedling placing portion 13a do not interfere with each other, and the thickness of the seedling placing stand 12 in the folded state can be minimized. Moreover, even if the movable seedling mounting portion 13b is folded, it does not contact the ground, and thus
Need not be held in the raised position. Then, the riding rice transplanter 1 can be run with the seedlings placed on the movable seedling placing portion 13b. In the above embodiment, the fixed seedling placing portion 13
a of the movable seedling mounting portion 13b
And the coupling member 31 for coupling the pin 32 to the engagement groove 31b, but as shown in FIGS. 14 and 15, the coupling member 35 is constituted by the clutch plates 35a and 35b and the spring 35c. You may make it. As is apparent from the above description, according to the present invention, the fixed seedling placing portion and the movable seedling placing portion are connected by the swing arm and the connecting link, and each connecting portion is turned. The surface of the fixed seedling mounting part that is movably supported
An erecting member is erected on the movable seedling mounting part in the folded state.
A support member to be supported by the material is provided on the back of the movable seedling placing part,
In the unfolded state of the seedling mounting table, the movable seedling mounting section is arranged adjacent to the outside of the fixed seedling mounting section, and the swinging arm is erected. Since the same surface as the fixed seedling mounting part is arranged in the same direction and overlapped, the movable seedling mounting part and the fixed seedling mounting part do not interfere with each other in the folded state, and the thickness of the seedling mounting base is minimized. Can be Also, even if the movable seedling placing part is folded, it does not contact the ground, and furthermore, it can be folded while the seedling is placed on the movable seedling placing part, so that the rice transplanter is run with the seedling placed on the movable seedling placing part. be able to. In addition, since the seedling placing table can be folded and unfolded while the seedlings are placed on the fixed seedling placing section and the movable seedling placing section, work efficiency can be improved.
【図面の簡単な説明】
【図１】この発明に係る多条田植機の苗載せ装置の折畳
んだ状態の一実施例を示す側面図である。
【図２】同上の展開状態の側面図である。
【図３】同じく苗載せ装置を折畳んだ状態を示す平面図
である。
【図４】同上の展開状態の平面図である。
【図５】同上の苗載せ台を展開した状態を示す背面図で
ある。
【図６】同上の苗載せ台の展開状態にある揺動アーム部
分を示す側面図である。
【図７】同上の苗載せ台を折畳状態に移行させる動作を
説明する側面図である。
【図８】同じく動作説明の側面図である。
【図９】同上の折畳状態の苗載せ台を示す側面図であ
る。
【図１０】可動苗載せ部に支承された部分を示す断面図
である。
【図１１】可動苗載せ部と固定苗載せ部とを連結した場
合の苗搬送部分を示す断面図である。
【図１２】図１１の駆動軸の連結を解除した状態を示す
断面図である。
【図１３】同じく駆動軸の連結状態を示す断面図であ
る。
【図１４】苗搬送部分の他の実施例を示す側面図であ
る。
【図１５】同上の連結状態を示す側面図である。
【符号の説明】
１２ 苗載せ台
１３ａ 固定苗載せ部
１３ｂ 可動苗載せ部
１９ 揺動アーム
２０ 連結リンク
２５ 支持部材
２７ 起立部材（ブラケット）BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view showing one embodiment of a folded state of a seedling placing device of a multi-row rice transplanter according to the present invention. FIG. 2 is a side view of the same deployed state. FIG. 3 is a plan view showing a state where the seedling placing device is folded. FIG. 4 is a plan view of the same expanded state. FIG. 5 is a rear view showing a state where the seedling mounting table is unfolded. FIG. 6 is a side view showing a swing arm portion in a deployed state of the seedling mounting table. FIG. 7 is a side view for explaining an operation of shifting the seedling mounting table to a folded state. FIG. 8 is a side view of the same operation. FIG. 9 is a side view showing the folded seedling mounting table. FIG. 10 is a cross-sectional view showing a portion supported by a movable seedling mounting portion. FIG. 11 is a cross-sectional view showing a seedling transport portion when a movable seedling placing portion and a fixed seedling placing portion are connected. FIG. 12 is a cross-sectional view showing a state where the connection of the drive shaft of FIG. 11 is released. FIG. 13 is a sectional view showing a connection state of the drive shafts. FIG. 14 is a side view showing another embodiment of the seedling transport portion. FIG. 15 is a side view showing the connection state of the above. [Description of Signs] 12 Seedling stand 13a Fixed seedling placing part 13b Movable seedling placing part 19 Swing arm 20 Connecting link 25 Support member 27 Standing member (bracket)
フロントページの続き (56)参考文献 特開 平７−255227（ＪＰ，Ａ) 特開 平６−296407（ＪＰ，Ａ) 実開 平４−113523（ＪＰ，Ｕ) 実開 昭52−52519（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) A01C 11/02 Continuation of front page (56) References JP-A-7-255227 (JP, A) JP-A-6-296407 (JP, A) JP-A 4-113523 (JP, U) JP-A 52-52519 (JP) , U) (58) Field surveyed (Int. Cl. 7 , DB name) A01C 11/02
Claims (1)
置して苗載せ台を形成し、展開状態において少なくとも
横方向最外側に位置する可動苗載せ部を固定苗載せ部に
重合して前記苗載せ台を折畳可能とした多条田植機の苗
載せ装置において、 前記固定苗載せ部の背面に回動自在に連結された揺動ア
ームと前記可動苗載せ部の背面に回動自在に連結された
連結リンクとの先端どうしを互いに回動自在に連結する
と共に、 前記固定苗載せ部の表面に起立部材を立設し、折畳状態
の前記可動苗載せ部を前記起立部材に支持させる支持部
材を前記可動苗載せ部の背面に備え、 前記揺動アームを起立させた折畳状態では、前記可動苗
載せ部と前記固定苗載せ台との同じ面を同一方向に向け
て重合配置してなる、 ことを特徴とする多条田植機の苗載せ装置。(57) [Claims] 1. A plurality of seedling placing portions on which seedlings are placed are arranged in a lateral direction.
To form a seedling rest, at least in the unfolded state.
The movable seedling placing part located on the outermost side in the horizontal direction is used as the fixed seedling placing part.
Seedlings of Tajo rice transplanter that can be folded up by superimposing the seedling rest
In the loading device, A swinging arm rotatably connected to the back of the fixed seedling placing portion.
Rotatably connected to the rear of the movable seedling mounting part
The ends of the connecting links are connected to each other so that they can rotate freely.Do
Along with An upright member is erected on the surface of the fixed seedling placing portion, and the member is folded.
A supporting portion for supporting the movable seedling mounting portion of the upright member
A material is provided on the back of the movable seedling placing part, In the folded state in which the swing arm is raised, the movable seedling is
Place the mounting part and the fixed seedling mounting base on the same side in the same direction.
It is arranged by polymerization, A seedling placement device for a Tajo rice planting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14386994A JP3377300B2 (en) | 1994-06-02 | 1994-06-02 | Seedling plant for Tajo rice transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14386994A JP3377300B2 (en) | 1994-06-02 | 1994-06-02 | Seedling plant for Tajo rice transplanter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07322728A JPH07322728A (en) | 1995-12-12 |
| JP3377300B2 true JP3377300B2 (en) | 2003-02-17 |
Family
ID=15348892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14386994A Expired - Fee Related JP3377300B2 (en) | 1994-06-02 | 1994-06-02 | Seedling plant for Tajo rice transplanter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3377300B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6253510B2 (en) * | 2014-05-22 | 2017-12-27 | 株式会社クボタ | Seedling planting equipment |
| JP7050537B2 (en) * | 2018-03-13 | 2022-04-08 | 株式会社クボタ | Seedling planting device |
-
1994
- 1994-06-02 JP JP14386994A patent/JP3377300B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07322728A (en) | 1995-12-12 |
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