JP3416808B2 - Seedling transplanter - Google Patents

Seedling transplanter

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Publication number
JP3416808B2
JP3416808B2 JP09562994A JP9562994A JP3416808B2 JP 3416808 B2 JP3416808 B2 JP 3416808B2 JP 09562994 A JP09562994 A JP 09562994A JP 9562994 A JP9562994 A JP 9562994A JP 3416808 B2 JP3416808 B2 JP 3416808B2
Authority
JP
Japan
Prior art keywords
seedling
roller
mounting table
rail
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 - Fee Related
Application number
JP09562994A
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Japanese (ja)
Other versions
JPH07274640A (en
Inventor
藤 忠 司 近
島 英 夫 中
古 忠 之 新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanma Agricultural Equipment Co Ltd
Original Assignee
Yanma Agricultural Equipment Co Ltd
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Publication date
Application filed by Yanma Agricultural Equipment Co Ltd filed Critical Yanma Agricultural Equipment Co Ltd
Priority to JP09562994A priority Critical patent/JP3416808B2/en
Publication of JPH07274640A publication Critical patent/JPH07274640A/en
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Publication of JP3416808B2 publication Critical patent/JP3416808B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【発明の詳細な説明】 【0001】 【産業上の利用分野】本発明は左右或いは前後方向に往
復移動させる苗載台の苗トレイより、苗取出爪により苗
を取出し苗植付爪に受継いで苗の移植を行う多条用の苗
移植機に関する。 【0002】 【従来の技術】この種苗載台を本体側のガイドレールや
ガイドシャフトに嵌合或いは嵌挿支持させて、左右に往
復移動させるようにした手段がある。 【0003】 【発明が解決しようとする課題】しかし乍らこのような
従来手段の場合、本体側のガイドレールやガイドシャフ
トに対し苗載台を着脱させるとき、ガイドレールに嵌合
させる苗載台側のガイドシュー或いはガイドローラなど
をその都度取外したり、本体側のガイドシャフト或いは
該シャフトに嵌挿させる苗載側の嵌挿部材を取外しする
などの手間の煩わしさがあり、容易に苗載台の着脱作業
が行えないという問題があった。また苗載台を本体側の
ガイドシャフトに嵌挿、或いは苗載台のガイドシューを
本体側のガイドレールに嵌合支持させる手段にあって
は、これら支持系の歪みやこじれの影響を受易く、円滑
で安定した往復移動が損われるという問題があった。 【0004】 【課題を解決するための手段】したがって本発明は、苗
載台の上部及び下部を本体側の上下苗台レールに、水平
方向にそれぞれ摺動自在に支持する複数の上部ローラ及
び下部ローラを備え、前記上部ローラを苗載台に上下位
置変更部材を介して上下位置変更自在に取付ける苗移植
機において、前記上苗台レールを断面冂形に形成し、枠
フレームに上苗台レールを固定させ、苗載台に固設する
枢着板に調節ボルトを介して上下位置変更部材を上下位
置調節自在に固設させ、上下位置変更部材に上部ローラ
を支持し、上苗台レールに上部ローラを離脱可能に嵌合
させるもので、苗載台の着脱時、前記変更部材によって
上部ローラを通常の取付位置より下位側に変更させるこ
とによって、苗載台の上部が上苗台レールに対し自由
なり、苗載台の着脱作業の容易化が図れ組立性及びメ
ンテナンス性を向上させることができる。 【0005】 【0006】 【実施例】以下、本発明の実施例を図面に基づいて詳述
する。図1は苗載台部の説明図、図2は全体側面説明
図、図3は同平面説明図、図4は同背面説明図である。
図中(1)は作業者が搭乗する走行車であるトラクタで
あり、走行ミッションケース(2)両側に左右リヤアク
スルケース(3)(3)を介して左右後輪(4)(4)
を設け、前記ミッションケース(2)上側に運転席
(5)を取付け、運転席(5)下面のミッションケース
(2)上面に油圧昇降シリンダ(6)を配設させ、該シ
リンダ(6)によって揺動させる左右リフトアーム
(7)(7)を支点軸(8)に回転自在に軸支させると
共に、前記運転席(5)前方に操向ハンドル(9)を設
け、該ハンドル(9)前側のボンネット(図示省略)両
側に補充苗載せ用の左右予備苗台(10)(10)を配
設させる。なお、従来のトラクタと同様に、前記ボンネ
ットにエンジンを内設させ、ボンネット両側下方に左右
前輪を装設し、前輪及び後輪(4)をエンジンによって
駆動して前後進させると共に、操向ハンドル(5)によ
って前輪を方向転換させて走行進路を変更するように構
成している。また左右一対の走行クローラを装設させた
車体によって走行車を構成してもよいと共に、走行進路
を自動的に検出する操向センサと、前輪を方向転換させ
るアクチュエータと、操向センサの検出結果に基づきア
クチュエータを作動させるコントローラを設け、操向セ
ンサによって検出する畦などに沿って自動的に走行させ
る自動操向機能を持たせることも行える。 【0007】また、前記ミッションケース(2)両側に
左右一対の支点板(11)(11)前端側をボルト止め
固定させ、支点板(11)後端側に支点軸(12)を介
して左右一対の昇降リンク(13)(13)を上下揺動
自在に連結させ、T形のギヤケース(14)を昇降リン
ク(13)(13)後端間に連結させると共に、ギヤケ
ース(14)にフック形下端部を係止させる左右一対の
リフトリンク(15)(15)上端と前記リフトアーム
(7)先端とをピン(16)を介して連結させ、前記昇
降シリンダ(6)の伸縮動作でもってギヤケース(1
4)を昇降するように構成している。 【0008】さらに、前記昇降リンク(13)の中間下
側縁に固設する左右後輪(4)(4)間で略水平の四角
筒形のツールバー(17)に、2条植え用の左右一対の
植付ユニット(18)(18)からなる対地作業機であ
る野菜苗の移植機(19)を装設するもので、植付ユニ
ットフレーム(20)と、該フレーム(20)に上下苗
台レール(21)(22)を介して前後方向に往復摺動
させる苗載台(23)と、苗載台(23)上面の苗トレ
イ(24)から1株分のポット苗を取出す箸形苗取出爪
(25)と、該取出爪(25)からポット苗を受取って
圃場面に植付けるホッパ形植付爪(26)と、植付爪
(26)の苗植付部前方の圃場面を鎮圧する均平ローラ
(27)と、植付爪(26)の苗植付部に相当する位置
のマルチフィルム(移植作業前に敷設)を切開するマル
チカッタ(28)と、植付爪(26)によって植付けら
れたポット苗の覆土を行う左右一対の培土ローラ(2
9)(29)と、植付ミッションケース(30)と、植
付爪駆動ケース(31)(32)(33)と、取出爪駆
動ケース(34)と、苗載台駆動ケース(35)を、前
記各植付ユニット(18)(18)にそれぞれ備えてい
る。 【0009】そして、前記植付ミッションケース(3
0)から各駆動ケース(31)〜(35)に駆動力を伝
え、取出爪(25)及び植付爪(26)を所定軌跡上で
苗取出及び苗植付の各動作をそれぞれ行わせると共に、
苗載台(23)の前後方向往復移動による苗横送り並び
に苗載台(23)傾斜下端側への苗トレイ(24)移動
による苗縦送りの各動作をそれぞれ行わせ、所定植付け
間隔でポット苗を圃場面に連続的に植付けるように構成
している。 【0010】さらに、前記ツールバー(17)に締結板
(36)及び調節ボルト(37)(37)を介して左右
の植付ユニット(18)(18)を条間調節可能に装着
させると共に、締結板(36)に支持する植付ミッショ
ンケース(30)の横駆動軸(38)回りに植付ユニッ
ト(18)(18)の前端側を上下揺動自在に支持さ
せ、前記ミッションケース(2)後面に突出させるPT
O軸(39)に自在継手軸(40)及びギヤケース(1
4)の入力軸(41)を介して前記駆動軸(38)を連
動連結させて、各植付ユニット(18)(18)の駆動
を行うように構成している。 【0011】図5乃至図9に示す如く前記苗載台(2
3)は、弾性状苗トレイ(24)を略鉛直状で且つ縦長
手方向に搭載して機体の前後方向に横送りするように設
けたもので、植付ユニット(18)(18)の本体ユニ
ットフレーム(20)と一体の前後側フレーム(20
a)(20b)に固設する上下苗台レール(21)(2
2)に、苗載台(23)背面側の上下略中間及び下部に
それぞれ設ける複数の上部ローラ(42)及び下部ロー
ラ(43a)(43b)を摺動自在に支持させると共
に、前記駆動ケース(35)の横送りネジ軸(44)に
苗載台(23)背面側の冂形の取付枠(45)に固設す
る台移動子(46)を結合させて、前記ネジ軸(44)
の回転でもって苗載台(23)の前後往復の横送りを行
うように構成している。 【0012】また、前記苗載台(23)は苗トレイ(2
4)の底部を案内支持する下部及び上部案内板(47)
(48)を有し、下部案内板(47)を略垂直で、上部
案内板(48)を中間で屈折させて上端側程緩傾斜に設
けると共に、上部案内板(48)の案内面両側に設ける
仕切板(49)の上端に内側折返縁(49a)を形成し
て、該折返縁(49a)でもって上部案内板(48)上
の苗トレイ(24)の縁を押えるように構成している。
さらに前記折返縁(49a)は上端の一定長さ分のみ、
上端側に向って案内板(48)より高さを大に傾斜させ
るトレイ導入部(49b)に設け、該導入部(49b)
以外を案内板(48)と略平行に設けて、案内板(4
8)に対する苗トレイ(24)の供給を容易とさせると
共に、上部案内板(48)の屈折部(48a)によっ
て、積載状態でのトレイ(24)の剛性を向上させてト
レイ巾方向の波打ちなどを防止するように構成してい
る。またさらに図8及び図11に示す如く、前記折返縁
(49a)の下端を仕切板(49)の下端より一定寸法
(L)上部位置で途切れる状態に形成して、下部案内板
(47)のトレイ押え(50)との受継部間にトレイ取
出隙間(C)を設けて、作業終了時などにあって下部案
内板(48)に残ったトレイ(24)を逆方向に引出す
とき上部案内板(48)の上端まで引上げることなく、
この隙間(C)より引出し可能とさせるように構成して
いる。 【0013】また、前記下部案内板(47)のトレイ押
え(50)は、下部案内板(47)前後両側の断面四角
形状の枠体(51)に基端を固設する上下2つの門形フ
レーム(52a)(52b)に調節ボルト(53)を介
して、苗トレイ(24)の送り方向に平行な板状の複数
のトレイ押え(50)を上下位置及び上下傾斜角調節自
在に支持するもので、フレーム(52a)(52b)側
に固設する固定片(54)にトレイ押え(50)側の取
付片(50a)の長孔(55)を調節ボルト(53)を
介して調節自在に固定支持させている。なお調節ボルト
(53)と長孔(55)に換え、高さ調節用の多段溝と
これに係合させる軸の組合せ、或いは角度調節用の支点
軸と軸孔の組合せでも良く、トレイ押え(50)も板状
以外に棒状のものでも良い。 【0014】図12にも示す如く、前記上部案内板(4
8)の上端延長状に延長苗台(56)を収納自在に設け
るもので、案内板(48)上端両側の固定取付板(5
7)に、延長苗台(56)基端両側の枢着板(58)を
枢支軸(59)及びロックボルト(60)を介して固着
させ、ロックボルト(60)の取外し操作時に同図仮想
線に示す如く、枢支軸(59)を支点として延長苗台
(56)を下方に折畳んで収納するように構成してい
る。 【0015】また前記下部案内板(47)の下端側に
は、苗トレイ(24)の縦送り方向に揺動して沈み込む
苗継ぎセンサ(61)を設けていて、該センサ(61)
位置から上部案内板(48)の上端までの長さをトレイ
(24)2つ分を供給可能とするように設けている。 【0016】そして前記苗載台(23)は、枠体(5
1)を一体形成する下部案内板(47)の前側板(6
2)と後側板(63)の上下間に縦送り駆動及び遊動ス
プロケット軸(64)(65)を介して縦送り駆動及び
遊動スプロケット(66)(67)を設けて、これらス
プロケット(66)(67)間に苗トレイ(24)の各
セル(24a)外底陥没部に掛合させる縦送りピン(6
8)を有する縦送りチェン(69)を張架させて、苗載
台(23)の前後横送り終端時前記ネジ軸(44)に連
動する縦送り駆動軸(70)の縦送りカム(71)によ
り前側面(62)或いは後側板(63)の外側面に配置
する縦送り駆動機構(72)を動作させ、スプロケット
(66)を一定量回転させて苗トレイ(24)の縦送り
を行うように構成している。なお前記取付枠(45)は
冂形の基端を前後側板(62)(63)にボルト(45
a)を介し取外し自在に固定させたものである。 【0017】前記上苗台レール(21)は断面冂形に、
下苗台レール(22)は断面円形に形成して、前後枠フ
レーム(20a)(20b)に固設する上及び下枢着板
(73a)(73b)・(74a)(74b)に各レー
ル(21)(22)の両端を着脱自在に固定させる一
方、前記上部ローラ(42)は上部案内板(48)の両
側下端に固設する前後枢着板(75a)(75b)の長
孔(76)に調節ボルト(77)を介して上下位置変更
部材である前後ローラ調節板(78)を上下位置調節自
在に固設させ、前後ローラ調節板(78)間に架設する
角パイプ(79)上面に縦ボルト軸(80)を介して一
定間隔を有して2つのローラ(42)を着脱自在に支持
して、レール(21)(22)にローラ(42)を離脱
可能に嵌合させるように構成している。 【0018】また前記下部ローラ(43a)(43b)
は、前後の枠体(51)下端間に架設する角パイプ(8
0)下面の前後両端に、軸受(81)及びボルト軸(8
1a)を介して取外し自在に支持して丸棒状のレール
(22)上面に転接させる2つの上側ローラ(43a)
と、これら2つのローラ(43a)間で角パイプ(8
0)下面の冂形の固定ブラケット(82)にボルト(8
3)を介し取外し自在に固定する軸受板(84)に、ボ
ルト軸(84a)を介して取外し自在に支持してレール
(22)下面に転接させる中央1つの下側ローラ(43
b)とを備え、ボルト(83)による下側ローラ(43
b)の取外しによって苗載台(23)をレール(22)
上方側に離脱可能とさせるように構成している。 【0019】そして、上部ローラ(42)を縦送り駆動
機構(72)より上方に、また下部ローラ(43a)
(43b)を苗取出爪(25)の苗トレイ進入部(A)
より下側に配設して、苗載台(23)をこれらローラ
(42)・(43a)(43b)で安定支持すると共
に、苗取出爪(25)と苗載台(23)など関係位置の
精度の安定維持を図って、性能を向上させるように構成
したものである。 【0020】前記の左右ユニットフレーム(20)は苗
載台(23)を支持する側フレーム(20a)(20
b)より植付中心線上となる上部を低く設けて、側フレ
ーム(20a)(20b)の前後上部間に凹部(B)を
形成させて、前記植付ミッションケース(30)の株間
調整機構(85)をリンク機構(86)を介して調節操
作する株間調節レバー(87)のレバーボックス(8
8)を、前記凹部(B)前面側に配設して、運転席
(5)及び移植機(9)後方の何れからの株間調節レバ
ー(87)の操作を容易とさせるばかりでなく、後方か
らの苗載台(23)に苗を補給する場合の作業や、苗載
台(23)及び苗取出爪(25)などのメンテナンスを
容易とさせ、また運転席(5)後方の視認性や苗取出爪
(25)の運動軌跡となる空間への視覚を良好とさせて
作業能率を向上させるように構成している。 【0021】さらに、図14に示す如く、前記ユニット
フレーム(20)の前部下側に支点軸(89)を介して
植深センサアーム(90)前端を回転自在に軸支させ、
前記センサアーム(90)の後端側に軸(91)を介し
て前記均平ローラ(27)を回転自在に設け、ユニット
フレーム(20)に対して均平ローラ(27)を昇降自
在に取付けると共に、前記センサアーム(90)に結合
バー(92)の一端を溶接固定させ、ユニットフレーム
(20)にアウタ受け(93)を介して設ける植深セン
サワイヤ(94)の一端を前記結合バー(92)他端の
複数の孔(95)…のいずれかに連結させる。前記セン
サワイヤ(94)を連結させる孔(95)を代えること
により、均平ローラ(27)の昇降量に対するセンサワ
イヤ(94)の押引量を変化させ、均平ローラ(27)
の昇降量に基づくセンサワイヤ(94)の植深変化の検
出感度を切換えるように構成している。 【0022】また、前記昇降シリンダ(6)を作動させ
る油圧切換昇降バルブ(96)を設け、前記昇降バルブ
(96)に連動連結するポジョンコントロールアーム
(97)に前記ワイヤ(94)の他端を連結させて、運
転席(5)右側の昇降レバー(98)でもって移植機
(9)を最下げ位置とするとき、平地、畦、傾斜地の如
何にかかわらず均平ローラ(27)の昇降量変化に基づ
く自動植深制御を行うように構成している。 【0023】また図13に示す如く、左右ユニットフレ
ーム(20)後部に培土ローラ(29)の取付高さ位置
を調節する植深レバー(99)を設けるもので、左右ユ
ニットフレーム(20)の後部側板(100)に固設す
るローラホルダー(101)に培土ローラ(29)の上
下スライド軸(102)を上下動自在に保持させると共
に、該スライド軸(102)に結合させるネジ軸(10
3)を、左右ユニットフレーム(20)最後端のハンド
ル取付板(104)に支持する植深レバー(99)基端
のハンドル軸(105)に、ホルダー(101)上端の
ベベルケース(106)内のベベルギヤ(106a)を
介して側面視略直角状に連動連結させて、左右ユニット
フレーム(20)後方より苗の植付深さを見ながら植付
深さの調節を可能とするように構成している。 【0024】なお、(107)は前記植付ミッションケ
ース(30)の苗台出力軸(30a)に連動連結して駆
動出力を取出爪駆動ケース(34)の入力軸(34a)
及び苗載台駆動ケース(35)の入力軸(35a)に伝
達する中間伝達軸である。 【0025】本実施例は上記の如く構成するものにし
て、苗載台(23)を左右ユニットフレーム(20)の
側フレーム(20a)に複数の上部及び下部ローラ(4
2)・(43a)(43b)でもって回転支持する構造
のため、横送り駆動系(間欠駆動でしかも増速のため苗
載台支持系のこじれなどの影響を受ける)に無理な負荷
がかかることなく、円滑に作動し性能の安定維持が図れ
る。 【0026】また、苗載台(23)の主要部分(上部に
縦送り駆動機構(72)、下部に苗取出爪(25)の苗
トレイ進入部(A))を挾んで上側及び下側を上部及び
下部ローラ(42)・(43a)(43b)で支持する
構造のため、苗載台(23)が安定支持されると共に、
苗取出爪(25)と苗載台(23)の関係位置の精度も
良好とさせることができて、性能を向上させることがで
きる。 【0027】さらに、苗載台(23)の重量は前記ロー
ラ(42)・(43a)(43b)に支持されて、苗載
台(23)の往復駆動部となる取付枠(45)・移動子
(46)・ネジ軸(44)などには横方向のスラスト荷
重のみかかり、往復駆動機能が安定保持される。 【0028】またさらに、苗載台(23)の苗トレイ
(24)縦送り時の反力を下側ローラ(43b)で受け
るため、縦送りカム(71)による縦送り動作時のスト
ローク損失も少なく性能が安定する。また下側ローラ
(43b)は必要最小限の1つの配置として、レール
(22)を過度に拘束してこじれさすなどの不都合を防
止する。 【0029】また、前記ローラ(42)・(43a)
(43b)は各ボルト軸(80)・(81a)(84
a)の取外し操作によってこれらローラ(42)・(4
3a)(43b)の交換などを容易とさせると共に、苗
載台(23)を着脱するとき、前記長孔(76)によっ
て調節板(79)を相手レール(21)より下方にずら
し、装着時にあっては、下部ローラ(43a)(43
b)が相手レール(22)に正しく嵌込まれた後に再び
上部ローラ(42)を上方の元位置に戻して固定させ、
また苗載台(23)の取外し時には下側ローラ(43
b)を軸受板(84)と一体に取除くことによって、こ
の着脱も容易に可能とさせて組立性及びメンテナンス性
を良好とさせることができる。 【0030】図15は延長苗台(56)を折畳み式に換
え、スライド式に設けたもので、延長苗台(56)を平
面視略冂形に折曲げたロッド(108)で形成し、上部
案内板(48)の案内面上にトレイ送り方向に平行に固
設する筒状のロッドガイド(109)にロッド(10
8)の開脚基端をスライド自在に挿入保持させて、案内
板(48)に沿う直線開脚部(108a)でトレイ(2
4)の裏面側を摺接支持すると共に、中央の下側に屈曲
させる開脚連結部(108b)をトレイ(24)最底部
より下方に臨ませて、トレイ(24)最底部との引掛り
を防止するように設けて、簡素な構成でコンパクトに収
納可能とさせたものである。 【0031】図16は上部ローラ(42)の苗台レール
(21)に対するワンタッチ操作による嵌合及び嵌合解
除を可能とさせるようにした構成例を示すもので、同図
(1)のものは枢着板(73a)(73b)の上下取付
板(110)(111)に上部ローラ(42)の取付軸
(112)を上下摺動自在に支持させ、下取付板(11
1)と取付軸(112)の固定バネ座(113)間に圧
縮バネ(114)を介設すると共に、枢着板(73a)
(73b)の枢軸(115)に基端を揺動自在に支持す
る操作レバー(116)の中間をピン(117)を介し
て取付軸(112)に係合連結させて、苗載台(23)
の装着時にあってはレール(21)にローラ(42)を
バネ(114)力で嵌合させて保持する一方、取外し時
には操作レバー(116)をバネ(114)力に抗し下
動操作してレール(21)よりローラ(42)を離脱さ
せるもので、苗載台(23)の着脱作業を一層容易なも
のとさせることができる。 【0032】また図16(2)のものは、上部ローラ
(42)を支持する調節板(78a)を枢着板(73
a)(73b)に上下動自在に摺接させ、枢着板(73
a)(73b)に固設するピン取付座(118)と、該
ピン取付座(118)に進退自在に係合保持するロック
ピン(119)との間にロックバネ(120)を介設さ
せて、前記ピン(119)に係合する調節板(78a)
のピン孔(121)を変更操作することによって、レー
ル(21)に対するローラ(42)の嵌合及び嵌合解除
を行うように構成したものである。 【0033】 【発明の効果】以上実施例から明らかなように本発明
は、苗載台(23)の上部及び下部を本体側の上下苗台
レール(21)(22)に、水平方向にそれぞれ摺動自
在に支持する複数の上部ローラ(42)及び下部ローラ
(43a)(43b)を備え、前記上部ローラ(42)
を苗載台(23)に上下位置変更部材(78)を介して
上下位置変更自在に取付ける苗移植機において、前記上
苗台レール(21)を断面冂形に形成し、枠フレーム
(20a)(20b)に上苗台レール(21)を固定さ
せ、苗載台(23)に固設する枢着板(75a)(75
b)に調節ボルト(77)を介して上下位置変更部材
(78)を上下位置調節自在に固設させ、上下位置変更
部材(78)に上部ローラ(42)を支持し、上苗台レ
ール(21)に上部ローラ(42)を離脱可能に嵌合さ
せるもので、苗載台(23)の着脱時、前記変更部材
(78)によって上部ローラ(42)を通常の取付位置
より下位側に変更させることによって、苗載台(23)
の上部が上苗台レール(21)に対し自由になり、苗載
台(23)の着脱作業の容易化が図れ組立性及びメン
テナンス性を向上させることができる。 【0034】
Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for picking up seedlings from a seedling tray of a seedling table which is reciprocally moved in the left-right or front-to-rear direction, by picking up seedlings, and transferring the picked-up seedlings. The present invention relates to a multi-row seedling transplanter for transplanting seedlings. 2. Description of the Related Art There is a means for fitting or supporting a seedling mounting table on a guide rail or a guide shaft of a main body so as to reciprocate right and left. [0003] However, in the case of such conventional means, when the seedling mounting table is attached to and detached from the guide rail or the guide shaft on the main body side, the seedling mounting table fitted to the guide rail is used. There is troublesome work such as removing the guide shoe or guide roller on the side each time, or removing the guide shaft on the main body side or the seeding insertion member to be inserted into the shaft. There is a problem that the work of attaching and detaching cannot be performed. The means for inserting the seedling mounting table into the guide shaft on the main body side or fitting and supporting the guide shoe of the seedling mounting table on the guide rail on the main body side is susceptible to distortion and kinking of these support systems. However, there is a problem that smooth and stable reciprocating movement is impaired. SUMMARY OF THE INVENTION Accordingly, the present invention provides a plurality of upper rollers and a lower roller for horizontally supporting the upper and lower portions of a seedling mounting table on upper and lower seedling rails on the main body side, respectively. provided with rollers, the vertical position change freely install them seedling transplantation via the vertical position changing member said upper roller Naeno stand
In the machine, the upper seedling rail is formed to have a cross-sectional shape of a zigzag,
Fix the upper seedling stand rail to the frame and fix it to the seedling stand
Upper and lower position changing members on the pivot plate via adjustment bolts
The upper roller is fixed to the position adjustment member
And the upper roller is detachably fitted to the upper seedling rail
Those causing, during seedling placing stand removable by Rukoto is changed to a lower side of the mounting position of the normal upper roller by said changing member, freely seedling placing stand top to upper seedling stand rails
Therefore, the work of attaching and detaching the seedling mounting table can be facilitated, and the assemblability and the maintainability can be improved. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is an explanatory view of a seedling mounting portion, FIG. 2 is an overall side view, FIG. 3 is a plan view, and FIG. 4 is a rear view.
In the drawing, reference numeral (1) denotes a tractor which is a traveling vehicle on which an operator rides, and left and right rear wheels (4) (4) via left and right rear axle cases (3) (3) on both sides of a traveling transmission case (2).
A driver's seat (5) is mounted on the upper side of the transmission case (2), and a hydraulic lifting cylinder (6) is disposed on the upper surface of the transmission case (2) below the driver's seat (5). The swinging left and right lift arms (7) and (7) are rotatably supported on a fulcrum shaft (8), and a steering handle (9) is provided in front of the driver's seat (5). Left and right spare seedling stands (10) and (10) for placing supplementary seedlings are disposed on both sides of the hood (not shown). As in the case of the conventional tractor, an engine is installed inside the bonnet, front left and right wheels are mounted below both sides of the hood, and the front and rear wheels (4) are driven by the engine to move forward and backward, and a steering handle is provided. According to (5), the driving direction is changed by changing the direction of the front wheels. The traveling vehicle may be constituted by a vehicle body provided with a pair of left and right traveling crawlers, and a steering sensor for automatically detecting a traveling course, an actuator for turning a front wheel, and a detection result of the steering sensor. A controller that activates the actuator based on the above can be provided with an automatic steering function of automatically traveling along a ridge detected by a steering sensor. Further, a pair of left and right fulcrum plates (11) and (11) front end sides are fixed by bolts on both sides of the transmission case (2), and left and right via fulcrum shafts (12) on the rear end side of the fulcrum plate (11). A pair of lifting links (13) and (13) are vertically swingably connected, a T-shaped gear case (14) is connected between the rear ends of the lifting links (13) and (13), and a hook type is connected to the gear case (14). A pair of left and right lift links (15) and (15) for locking the lower end and the upper end of the lift arm (7) are connected to each other via a pin (16). (1
4) is configured to move up and down. Further, a left and right rear wheel (4) (4) fixed to the middle lower edge of the elevating link (13) is provided on a substantially horizontal square cylindrical toolbar (17) between the left and right rear wheels (4). A vegetable seedling transplanter (19), which is a ground working machine comprising a pair of planting units (18) and (18), is installed. The planting unit frame (20) and upper and lower seedlings are mounted on the frame (20). A seedling stand (23) reciprocatingly slid in the front-rear direction via stand rails (21) and (22), and a chopstick shape for taking out one pot of seedlings from a seedling tray (24) on the upper surface of the seedling stand (23). Seedling picking nail (25), a hopper-shaped planting nail (26) for receiving a pot seedling from the picking nail (25) and planting it in a field scene, and a field scene in front of the seedling planting part of the planting nail (26) Roller (27) for crushing and a multi-film (27) at a position corresponding to the planting portion of the planting claws (26). Multi cutter (28) for incising the laying) before planting work, a pair of left and right soil rollers performing soil covering the seedlings were planted by the planting claw (26) (2
9) (29), the planting mission case (30), the planting claw drive cases (31), (32), (33), the extraction claw drive case (34), and the seedling mounting base drive case (35). , And each of the planting units (18), (18). The planting mission case (3)
0) to the driving cases (31) to (35) to transmit the driving force to the extraction claw (25) and the planting claw (26) to perform the respective operations of seedling extraction and planting on a predetermined locus. ,
The seedling traverse movement by the reciprocating movement of the seedling mounting table (23) and the seedling vertical movement by moving the seedling tray (24) to the lower end side of the seedling mounting table (23) are performed. The seedlings are configured to be continuously planted in the field scene. Further, the left and right planting units (18) and (18) are mounted on the toolbar (17) via a fastening plate (36) and adjustment bolts (37) and (37) so as to be capable of adjusting a gap between the planting units. A front end side of the planting units (18) (18) is supported so as to be vertically swingable around a lateral drive shaft (38) of the planting mission case (30) supported on the plate (36), and the transmission case (2) is provided. PT projecting to the rear
The universal joint shaft (40) and the gear case (1) are attached to the O shaft (39).
The drive shaft (38) is interlockingly connected via the input shaft (41) of 4) to drive each planting unit (18) (18). As shown in FIGS. 5 to 9, the seedling table (2)
3) The elastic seedling tray (24) is mounted in a substantially vertical and longitudinal direction so as to be fed laterally in the longitudinal direction of the body, and the main body of the planting units (18) and (18) is provided. The front and rear frames (20) integrated with the unit frame (20)
a) Upper and lower seedling stand rails (21) (2) fixed to (20b)
2) a plurality of upper rollers (42) and lower rollers (43a) (43b) provided at substantially the middle and lower portions of the rear side of the seedling mounting table (23) in a slidable manner; 35) a pedestal mover (46) fixedly mounted on a zigzag mounting frame (45) on the back side of the seedling mounting table (23) is connected to the lateral feed screw shaft (44).
The seedling mounting table (23) is configured to be reciprocated in the forward and backward directions by the rotation of. The seedling mounting table (23) is provided with a seedling tray (2).
Lower and upper guide plates (47) for guiding and supporting the bottom of 4).
(48), the lower guide plate (47) is substantially vertical, the upper guide plate (48) is bent in the middle, and is provided at a gentle inclination toward the upper end, and is provided on both sides of the guide surface of the upper guide plate (48). An inner folded edge (49a) is formed at the upper end of the partition plate (49) provided, and the folded edge (49a) is configured to press the edge of the seedling tray (24) on the upper guide plate (48). I have.
Further, the folded edge (49a) is only for a certain length at the upper end,
A tray introduction part (49b) is provided which is inclined at a height higher than the guide plate (48) toward the upper end side, and the introduction part (49b)
Are provided substantially parallel to the guide plate (48), and the guide plate (4
8) The seedling tray (24) can be easily supplied to the tray (8), and the stiffness of the tray (24) in the loaded state can be improved by the bending portion (48a) of the upper guide plate (48), and the tray can be wavy in the width direction. It is configured to prevent Further, as shown in FIGS. 8 and 11, the lower end of the folded edge (49a) is formed so as to be interrupted at a position higher than the lower end of the partition plate (49) by a predetermined distance (L), so that the lower guide plate (47) A tray take-out gap (C) is provided between the receiving portion and the tray retainer (50), and the upper guide plate is used to pull out the tray (24) remaining in the lower guide plate (48) in the reverse direction at the end of work or the like. Without pulling up to the top of (48)
It is configured to be able to be pulled out from this gap (C). The tray guide (50) of the lower guide plate (47) is composed of two upper and lower gates whose base ends are fixed to a frame (51) having a rectangular cross section on both front and rear sides of the lower guide plate (47). A plurality of plate-like tray holders (50) parallel to the feeding direction of the seedling tray (24) are supported on the frames (52a) and (52b) via adjustment bolts (53) so that the vertical position and the vertical tilt angle can be adjusted. The slot (55) of the mounting piece (50a) on the tray holder (50) side can be adjusted via the adjusting bolt (53) to the fixing piece (54) fixedly mounted on the frame (52a) (52b) side. Is fixedly supported. Instead of the adjusting bolt (53) and the long hole (55), a combination of a multistage groove for height adjustment and a shaft to be engaged therewith, or a combination of a fulcrum shaft and a shaft hole for angle adjustment may be used. 50) may be a rod-shaped member instead of a plate-shaped member. As shown in FIG. 12, the upper guide plate (4
An extension seedling stand (56) is provided so as to be able to be stored in the upper end extension of the guide plate (48).
7), the pivot plates (58) on both sides of the proximal end of the extension seedling (56) are fixed via the pivot shaft (59) and the lock bolt (60), and the same figure is used when the lock bolt (60) is removed. As shown by the phantom line, the extended seedling stand (56) is folded downward and stored with the pivot shaft (59) as a fulcrum. At the lower end of the lower guide plate (47), there is provided a seedling splicing sensor (61) which swings and sinks in the vertical feeding direction of the seedling tray (24).
The length from the position to the upper end of the upper guide plate (48) is provided so that two trays (24) can be supplied. The seedling mount (23) is provided with a frame (5).
The front side plate (6) of the lower guide plate (47) integrally forming 1).
A vertical feed drive and idle sprocket (66) (67) is provided between the upper and lower sides of the rear plate (63) and a vertical feed drive and idle sprocket shaft (64) (65), and these sprockets (66) (66) 67), the vertical feed pin (6) to be engaged with the outer bottom depression of each cell (24a) of the seedling tray (24).
The vertical feed chain (69) having the vertical feed drive shaft (70) interlocking with the screw shaft (44) at the end of the front and rear horizontal feed of the seedling mounting table (23). ), The vertical feed drive mechanism (72) arranged on the front side (62) or the outer side of the rear side plate (63) is operated, and the sprocket (66) is rotated by a fixed amount to feed the seedling tray (24) vertically. It is configured as follows. In addition, the mounting frame (45) has bolts (45) attached to the front and rear side plates (62) and (63) by attaching the base end of the zong shape.
It is detachably fixed via a). The upper seedling rail (21) is shaped like a cross section.
The lower seedling rail (22) is formed to have a circular cross section, and the upper and lower pivoting plates (73a) (73b) and (74a) (74b) are fixed to the front and rear frame frames (20a) (20b). (21) While both ends of (22) are detachably fixed, the upper roller (42) is fixed to the lower ends on both sides of the upper guide plate (48). A front and rear roller adjusting plate (78), which is a vertical position changing member, is fixedly mounted on the front and rear roller adjusting plate (78) via an adjusting bolt (77), and a square pipe (79) installed between the front and rear roller adjusting plates (78). Two rollers (42) are detachably supported on the upper surface via a vertical bolt shaft (80) at regular intervals, and the rollers (42) are detachably fitted to the rails (21) and (22). It is configured as follows. The lower rollers (43a) and (43b)
Is a square pipe (8) installed between the lower ends of the front and rear frames (51).
0) Bearing (81) and bolt shaft (8)
Two upper rollers (43a) that are detachably supported via 1a) and rolled on the upper surface of the round bar-shaped rail (22)
And a square pipe (8) between these two rollers (43a).
0) Attach the bolts (8
A central lower roller (43) that is removably supported via a bolt shaft (84a) on a bearing plate (84) that is removably fixed via 3) and rolls on the lower surface of the rail (22).
b), and a lower roller (43) with a bolt (83).
By removing the b), the seedling table (23) is moved to the rail (22).
It is configured to be detachable upward. Then, the upper roller (42) is raised above the vertical feed drive mechanism (72), and the lower roller (43a)
(43b) The seedling tray entry part (A) of the seedling removal nail (25)
The seedling mounting table (23) is stably supported by these rollers (42), (43a) and (43b), and the relative positions such as the seedling removal claw (25) and the seedling mounting table (23) are disposed below. The configuration is such that the accuracy is maintained stably and the performance is improved. The left and right unit frames (20) are side frames (20a) (20) for supporting the seedling mounting table (23).
b) An upper portion on the planting center line is provided lower, and a recess (B) is formed between the front and rear upper portions of the side frames (20a) and (20b). 85) through a link mechanism (86) to operate the lever box (8) of the inter-cell adjusting lever (87).
8) is arranged on the front side of the concave portion (B) to facilitate the operation of the inter-strain adjusting lever (87) from either the driver's seat (5) or the rear of the transplanter (9), as well as to the rear. Work for replenishing seedlings (23) with seedlings, and maintenance of the seedlings stand (23) and the seedling removal claw (25), etc., is easy, and visibility and visibility behind the driver's seat (5) are improved. The working efficiency is improved by improving the visual perception of the space that is the locus of movement of the seedling removal nail (25). Further, as shown in FIG. 14, the front end of the planting depth sensor arm (90) is rotatably supported below the front part of the unit frame (20) via a fulcrum shaft (89).
The leveling roller (27) is rotatably provided on the rear end side of the sensor arm (90) via a shaft (91), and the leveling roller (27) is attached to the unit frame (20) so as to be movable up and down. At the same time, one end of a connecting bar (92) is fixedly welded to the sensor arm (90), and one end of a planting depth sensor wire (94) provided on a unit frame (20) via an outer receiver (93) is connected to the connecting bar (92). 92) Connect to any of the plurality of holes (95) at the other end. By changing the hole (95) for connecting the sensor wire (94), the amount of pushing and pulling of the sensor wire (94) with respect to the amount of elevation of the leveling roller (27) is changed, and the leveling roller (27) is changed.
It is configured to switch the detection sensitivity of the change in planting depth of the sensor wire (94) based on the amount of elevation of the sensor wire (94). Further, a hydraulic switching elevating valve (96) for operating the elevating cylinder (6) is provided, and the other end of the wire (94) is connected to a position control arm (97) interlockingly connected to the elevating valve (96). When the transplanter (9) is lowered to the lowest position by the lifting lever (98) on the right side of the driver's seat (5), the amount of elevation of the leveling roller (27) regardless of the level ground, ridges, and slopes It is configured to perform automatic planting depth control based on the change. As shown in FIG. 13, a planting lever (99) for adjusting the mounting height position of the cultivation roller (29) is provided at the rear of the left and right unit frames (20). A roller holder (101) fixed to the side plate (100) holds a vertical slide shaft (102) of the cultivation roller (29) in a vertically movable manner, and a screw shaft (10) coupled to the slide shaft (102).
3) is mounted on the handle shaft (105) at the base end of the planting lever (99) supporting the handle mounting plate (104) at the rearmost end of the left and right unit frame (20), and inside the bevel case (106) at the upper end of the holder (101). The bevel gear (106a) is connected in a substantially right-angled manner when viewed from the side so that the planting depth can be adjusted while observing the planting depth of the seedling from the rear of the left and right unit frames (20). ing. Reference numeral (107) denotes a drive output in conjunction with a seedling stand output shaft (30a) of the planting mission case (30) to take out a drive output and an input shaft (34a) of the claw drive case (34).
And an intermediate transmission shaft for transmitting to the input shaft (35a) of the seedling mounting drive case (35). In this embodiment, the seedling mounting table (23) is mounted on the side frames (20a) of the left and right unit frames (20) with a plurality of upper and lower rollers (4).
2) Because of the structure of rotating support by (43a) and (43b), an excessive load is applied to the lateral feed drive system (intermittent drive and the speed increase is affected by the twisting of the seedling support system). Without any trouble, it can operate smoothly and maintain stable performance. The upper and lower sides of the main part of the seedling mounting table (23) (vertical feed drive mechanism (72) at the upper part, seedling tray entry part (A) of the seedling removal claw (25) at the lower part) are sandwiched. Because of the structure supported by the upper and lower rollers (42), (43a) and (43b), the seedling mounting table (23) is stably supported,
The accuracy of the relative position between the seedling removal nail (25) and the seedling mounting table (23) can be improved, and the performance can be improved. Further, the weight of the seedling mounting table (23) is supported by the rollers (42), (43a) and (43b), and the weight of the mounting frame (45) serving as a reciprocating drive unit of the seedling mounting table (23) moves. Only the lateral thrust load is applied to the child (46) and the screw shaft (44), and the reciprocating drive function is stably maintained. Furthermore, since the lower roller (43b) receives the reaction force at the time of vertical feeding of the seedling tray (24) of the seedling mounting table (23), the stroke loss at the time of vertical feeding operation by the vertical feeding cam (71) is also reduced. Less stable performance. In addition, the lower roller (43b) is provided as one of the minimum necessary arrangements to prevent inconvenience such as excessively restraining the rail (22) and twisting it. The rollers (42) and (43a)
(43b) is each bolt shaft (80), (81a) (84)
The rollers (42) and (4) are removed by the removal operation of a).
3a) When exchanging (43b) and the like, and when attaching / detaching the seedling mounting table (23), the adjusting plate (79) is shifted downward from the opposing rail (21) by the slot (76) so that it can be attached and detached. If so, the lower roller (43a) (43
After b) is correctly fitted to the other rail (22), the upper roller (42) is returned to the upper original position and fixed again,
When removing the seedling mounting table (23), the lower rollers (43
By removing b) integrally with the bearing plate (84), this attachment / detachment can be easily performed, and the assembling property and the maintenance property can be improved. FIG. 15 shows an extension nursery stand (56) which is replaced with a folding type and is provided in a sliding manner. The extension nursery stand (56) is formed by a rod (108) which is bent in a substantially zigzag shape in plan view. The rod (10) is inserted into a cylindrical rod guide (109) fixed on the guide surface of the upper guide plate (48) in parallel with the tray feeding direction.
8) The base end of the open leg is slidably inserted and held, and the tray (2) is opened by the straight open leg (108a) along the guide plate (48).
4) The back side of the tray (24) is slidably supported, and the open leg connecting portion (108b), which is bent downward at the center, faces downward from the bottom of the tray (24). Is provided so as to prevent the above problem, so that it can be stored compactly with a simple configuration. FIG. 16 shows an example of a structure in which the upper roller (42) can be fitted to and released from the seedling stand rail (21) by one-touch operation. The upper and lower mounting plates (110) and (111) of the pivot plates (73a) and (73b) support the mounting shaft (112) of the upper roller (42) slidably up and down, and the lower mounting plate (11).
A compression spring (114) is provided between the fixed spring seat (113) of the mounting shaft (112) and the mounting shaft (112), and a pivot plate (73a) is provided.
An intermediate portion of an operation lever (116) for pivotally supporting a base end of the pivot (115) of the (73b) is engaged and connected to a mounting shaft (112) via a pin (117), and the seedling mounting table (23) is connected. )
At the time of mounting, the roller (42) is fitted to and held by the rail (21) with the force of the spring (114), and at the time of removal, the operating lever (116) is moved downward against the force of the spring (114). The roller (42) is detached from the rail (21), and the work of attaching and detaching the seedling mounting table (23) can be further facilitated. In FIG. 16 (2), an adjusting plate (78a) for supporting the upper roller (42) is pivotally attached to a plate (73).
a) The slider 73 is slidably and vertically slidably in contact with (73b).
a) A lock spring (120) is interposed between a pin mounting seat (118) fixedly mounted on (73b) and a lock pin (119) engaged and retained on the pin mounting seat (118) so as to be able to move forward and backward. Adjusting plate (78a) engaged with the pin (119)
By changing the pin hole (121), the roller (42) is fitted and released from the rail (21). As can be seen from the above embodiment, the present invention is characterized in that the upper part and the lower part of the seedling mounting table (23) are respectively connected to the upper and lower seedling mounting rails (21) and (22) on the main body side. The upper roller (42) includes a plurality of upper rollers (42) and lower rollers (43a) (43b) slidably supported.
In the Naeno board (23) in the vertical position changing member vertical position change freely install them seedling transplanter through (78), the upper
The nursery stand rail (21) is formed in a cross section of the shape of a frame.
(20a) The upper seedling stand rail (21) is fixed to (20b).
And a pivot plate (75a) (75) fixed to the seedling mounting table (23).
b) a vertical position changing member via an adjustment bolt (77)
(78) is fixed so that the vertical position can be adjusted freely, and the vertical position can be changed.
The upper roller (42) is supported by the member (78),
The upper roller (42) is detachably fitted to the roller (21).
One which, when detaching the seedling mounting table (23), by Rukoto is changed to a lower side of the mounting position of the normal upper roller (42) by the change member (78), seedling mounting table (23)
The upper part is free with respect to the upper seedling stand rail (21), facilitating the attachment / detachment work of the seedling mounting stand (23) , and the assembling property and the maintenance property can be improved. [0034]

【図面の簡単な説明】 【図1】苗載台部の説明図である。 【図2】移植機全体の側面図である。 【図3】移植機全体の平面図である。 【図4】移植機全体の背面図である。 【図5】苗載台部の正面説明図である。 【図6】苗載台部の正面説明図である。 【図7】苗載台部の拡大説明図である。 【図8】苗載台部の拡大説明図である。 【図9】苗載台部の斜視説明図である。 【図10】上部ローラ部の説明図である。 【図11】苗押え部の説明図である。 【図12】延長苗台の説明図である。 【図13】植深レバー部の説明図である。 【図14】均平ローラ部の説明図である。 【図15】延長苗台の他の変形構造例を示す説明図であ
る。 【図16】上部ローラの他の取付構造例を示す説明図で
ある。 【符号の説明】 (21)(22) 苗台レール (23) 苗載台 (42) ローラ (43a)(43b) ローラ (78) 調節板(変更部材)
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory diagram of a seedling mounting portion. FIG. 2 is a side view of the entire transplanter. FIG. 3 is a plan view of the entire transplanter. FIG. 4 is a rear view of the entire transplanter. FIG. 5 is an explanatory front view of a seedling mounting portion. FIG. 6 is an explanatory front view of a seedling mounting portion. FIG. 7 is an enlarged explanatory view of a seedling mounting portion. FIG. 8 is an enlarged explanatory view of a seedling mounting portion. FIG. 9 is an explanatory perspective view of a seedling mounting portion. FIG. 10 is an explanatory diagram of an upper roller unit. FIG. 11 is an explanatory diagram of a seedling holding section. FIG. 12 is an explanatory diagram of an extended seedling stand. FIG. 13 is an explanatory diagram of a planting lever portion. FIG. 14 is an explanatory diagram of a leveling roller unit. FIG. 15 is an explanatory view showing another modified example of the extended seedling stand. FIG. 16 is an explanatory view showing another example of the mounting structure of the upper roller. [Description of Signs] (21) (22) Seedling stand rail (23) Seedling stand (42) Roller (43a) (43b) Roller (78) Adjustment plate (change member)

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−87060(JP,A) 特開 昭63−194998(JP,A) 実開 昭56−85521(JP,U) 実開 平2−62080(JP,U) (58)調査した分野(Int.Cl.7,DB名) A01C 11/02 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-87060 (JP, A) JP-A-63-194998 (JP, A) JP-A-56-85521 (JP, U) JP-A-86-85521 62080 (JP, U) (58) Fields surveyed (Int. Cl. 7 , DB name) A01C 11/02

Claims (1)

(57)【特許請求の範囲】 【請求項1】 苗載台(23)の上部及び下部を本体側
の上下苗台レール(21)(22)に、水平方向にそれ
ぞれ摺動自在に支持する複数の上部ローラ(42)及び
下部ローラ(43a)(43b)を備え、前記上部ロー
ラ(42)を苗載台(23)に上下位置変更部材(7
8)を介して上下位置変更自在に取付ける苗移植機にお
いて、前記上苗台レール(21)を断面冂形に形成し、
枠フレーム(20a)(20b)に上苗台レール(2
1)を固定させ、苗載台(23)に固設する枢着板(7
5a)(75b)に調節ボルト(77)を介して上下位
置変更部材(78)を上下位置調節自在に固設させ、上
下位置変更部材(78)に上部ローラ(42)を支持
し、上苗台レール(21)に上部ローラ(42)を離脱
可能に嵌合させることを特徴とする苗移植機。
(1) An upper part and a lower part of a seedling mounting table (23) are slidably supported in horizontal directions on upper and lower seedling mounting rails (21) and (22) on the main body side. A plurality of upper rollers (42) and lower rollers (43a) (43b) are provided, and the upper roller (42) is attached to the seedling mounting table (23) by a vertical position changing member (7).
All up and down position change freely install them seedling transplanting machine through 8)
And the upper seedling rail (21) is formed in a zori cross section,
The upper seedling rail (2) is mounted on the frame (20a) (20b).
1) is fixed, and a pivoting plate (7) is fixed to the seedling mounting table (23).
5a) Upper and lower positions on (75b) via adjustment bolt (77)
The position change member (78) is fixed so that the vertical position can be adjusted
The upper roller (42) is supported by the lower position changing member (78).
And the upper roller (42) is detached from the upper seedling stand rail (21).
A seedling transplanter characterized by being fitted as possible .
JP09562994A 1994-04-07 1994-04-07 Seedling transplanter Expired - Fee Related JP3416808B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP09562994A JP3416808B2 (en) 1994-04-07 1994-04-07 Seedling transplanter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09562994A JP3416808B2 (en) 1994-04-07 1994-04-07 Seedling transplanter

Publications (2)

Publication Number Publication Date
JPH07274640A JPH07274640A (en) 1995-10-24
JP3416808B2 true JP3416808B2 (en) 2003-06-16

Family

ID=14142822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP09562994A Expired - Fee Related JP3416808B2 (en) 1994-04-07 1994-04-07 Seedling transplanter

Country Status (1)

Country Link
JP (1) JP3416808B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5727179B2 (en) * 2010-09-15 2015-06-03 ヤンマー株式会社 Seedling transplanter
JP5727178B2 (en) * 2010-09-15 2015-06-03 ヤンマー株式会社 Seedling transplanter

Also Published As

Publication number Publication date
JPH07274640A (en) 1995-10-24

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