JP3743201B2

JP3743201B2 - Root crop harvesting machine

Info

Publication number: JP3743201B2
Application number: JP08126199A
Authority: JP
Inventors: 典弘矢野; 高木　　真吾; 清明水津
Original assignee: Iseki and Co Ltd
Current assignee: Iseki and Co Ltd
Priority date: 1999-03-25
Filing date: 1999-03-25
Publication date: 2006-02-08
Anticipated expiration: 2019-03-25
Also published as: JP2000270645A

Description

【０００１】
【発明の属する技術分野】
本発明は、ニンジンなどの根菜類用収穫機に関する。
【０００２】
【従来の技術】
根菜としてニンジンを例にして従来の根菜類用収穫機の一例を以下説明する。従来のニンジン収穫機は、圃場においてニンジンの茎葉を引起した後、互いに逆回転する一対の無端ベルトからなる挟持搬送ベルトで挟持した状態で掘り取り、その後、前記挟持搬送ベルトで収穫機後方に搬送する過程で茎葉を切断し、さらに後方に搬送してニンジンを収納箱に収納する機械である。
【０００３】
【発明が解決しようとする課題】
上記従来技術のニンジン収穫機では掘り取ったニンジンは、葉部と直根を切断した後、収納箱に収納していた。しかし、掘り取ったニンジンには、泥が付着していて挟持搬送ベルトは泥の付いたままのニンジンを把持し搬送する。ニンジンの先端部にある直根の切断は、搬送中に行われるため、泥が付着したままではニンジンの位置決めが不正確となり、直根の切断が完全には行われなかった。また、ニンジンに泥が付いたまま収納されるため、収納後の泥落としのために人手による多大な作業を必要としていた。
【０００４】
本発明の課題は掘り取ったニンジンに付着する泥を落として正確に把持搬送し、かつ直根を安定かつ完全に切断することを自動的に行いうる根菜類用収穫機を提供することである。
【０００５】
【課題を解決するための手段】
本発明の上記課題は次の構成によって達成される。すなわち、根菜の茎葉を挟持して引き抜き、後方へ挟持して搬送する根菜搬送装置（６）と、該根菜搬送装置（６）で搬送される根菜を引継ぎ搬送するタッピング移送装置（３４）と、タッピング移送装置（３４）で搬送される根菜を根部と茎葉部とに分離する葉切断装置（１２）とを有する根菜類用収穫機において、前記根菜搬送装置（６）の搬送上手から、根菜の泥落とし用ブラシ毛（４６ｂ）を有する回転ブラシ手段（４６）と、該回転ブラシ手段（４６）を通過した後の根菜の直根を切断するカッタ手段（４７）とを順に設け、前記回転ブラシ手段（４６）は、その回転軸（４６ａ）を根菜搬送装置（６）の挟持搬送方向に対して直角方向に配置し、ブラシ毛（４６ｂ）の回転軸（４６ａ）方向の中央部分に凹部を設け、ブラシ毛（４６ｂ）はカッタ手段（４７）の回転方向及び根菜搬送装置（６）の根菜の搬送方向とは反対方向に回転させ、カッタ手段（４７）は、その高さを調節可能な構成からなる根菜類用収穫機である。
【０００６】
【発明の効果】
本発明によれば、回転ブラシ手段の回転で根菜類から効果的に泥落としを行うことができ、また直根カッター手段の回転で安定的に直根を切断するとができる。
【０００７】
【発明の実施の形態】
本発明の実施の形態を図面とともに説明する。しかし、本発明は下記の実施の形態によって制限されるものではない。図１に本発明の実施の形態の根菜類用収穫機の作業状態の一部切り欠き側面図を示し、図２に本発明の実施の形態の根菜類用収穫機の非作業状態の側面図を示し、図３に本発明の実施の形態の根菜類用収穫機の上面図を示す。
【０００８】
本発明の実施の形態の根菜類用収穫機により、根菜野菜（イ）として、ニンジン（イ）を収穫する場合について説明する。図１ないし図３に示す根菜類用収穫機１は、ニンジン（イ）を圃場から掘起し、この掘起したニンジン（イ）を移送しながら泥を落とし、葉部、及び葉部の反対側の下部の所定位置から直根を切断して、コンテナ等の収納箱１５に一次貯留等を行う。
【０００９】
前記根菜類用収穫機１は、その走行車両２の左側の側部外側に収穫用作業装置３を設け、この収穫用作業装置３は前部の引起装置４、掘起装置５及び後部の根菜搬送装置６等よりなる構成である。
【００１０】
前記走行車両２は、車体７の下側の左右両側にクローラ８を張設し、該車体７上部の右前方側に走行操作及び収穫操作等を行う操作装置９及び作業者が搭乗して各種操作を行う操縦席１０等を設け、この操縦席１０の下部には原動機（エンジン）１１等を設けている。この原動機１１から走行ケース１１ａ内の伝動機構１１ｂを介して上記クローラ８を駆動する。
【００１１】
前記車体７の後部の上側には、後述する葉切断装置１２でニンジン（イ）の葉部の所定位置が切断され、葉部切断済み、及び葉部の反対側の下部の所定位置を切断済みニンジン（イ）の供給を受けて、操縦席１０側の横方向へ向けて移送する第１移送コンベア１３及び第２移送コンベア１４を設け、これら第１、第２移送コンベア１３、１４は移送終端部へ向けて下り傾斜させて設けている。この第２移送コンベア１４の移送終端部の下側で、該車体７の上側には、この第２移送コンベア１４から葉部切断済みニンジン（イ）の供給を受けて、収納して一次貯留する収納箱１５が載置されている。
【００１２】
前記車体７の後部の左側には、上方へ突出するコ字形状の支持板１６を設け、この支持板１６の上部には、伝動機構１７ａを内装した伝動ケース１７を回動自在に設けている。この伝動ケース１７には前方下部へ突出する支持板１８を設け、この支持板１８の前端部には左右両側に前方下部へ突出する受板１９ａを固着した取付板１９ｂを装着して設けると共に、この受板１９ａ、１９ａの前端部には、前方下部へ突出する補助受板１９ｃを固着している。
【００１３】
前記左右両側の引起装置４は、上部を伝動ケース１７から前方へ突出する伝動機構２０ｃを内装する上受杆２０ａで支持すると共に、回転駆動させる構成であり、下部を補助受板１９ｃから前方へ突出する下受杆２０ｂで支持させている。
【００１４】
前記引起装置４は、根菜搬送装置６の前部の左右両側に設け、該引起装置４には左右両側の引起ケース２１、２２に内装して回転自在な引起チェン２２ａを設け、引起チェン２２ａの引起ラグ２２ｂは引起チェン２２ａが前方下端部から前方上端部にある間は、該引起ケース２１、２２間から突出してニンジン（イ）の葉部を引起す作用部とし、又、後方部は引起さない不作用部となる。
【００１５】
前記引起ケース２１の下部外側面には、ニンジン（イ）の葉部を分離する分草具２３を前方へ突出させて設け、図１で示すように圃場の凸凹を検出する凸凹センサ２４をニンジン（イ）を掘起す条とこの条に隣接する隣接条との間に設けている。この凸凹センサ２４は、該引起ケース２１の外側面に回動自在に設けた支持板２５ａに接地プレート２５ｂを接着すると共に、該支持板２５ａの上端部とポテンショメータ２５ｃとを連結する連結ロッド２５ｄより構成されている。
【００１６】
前記接地プレート２５ｂが圃場の凸凹を検出して上下回動し、この回動が該ポテンショメータ２５ｃで検出され、この検出によって左右両側の引起装置４、後述する掘起装置５及び根菜搬送装置６等が、伝動ケース１７の上下回動中心２６位置を中心に上下シリンダ２６ａの作動により、上下回動制御する。接地プレート２５ｂの後端部は根菜搬送装置６の引抜搬送装置２８の下部前端位置より前方に位置させて検出性能の向上を図っている。
【００１７】
前記掘起装置５は、左右両側の補助受板１９ｃに設置され、手動または自動によって上下回動調節可能に自在な構成としている。この掘起装置５は、前方下部へ突出する支持杆２７ａの前端部にナイフ状の掘起板２７ｂでソイラー２７を形成したもので、根菜類収穫機１の前進走行により左右両側の掘起装置５のソイラー２７でニンジン（イ）の左右両側を掘起すことができる。
【００１８】
車体７の支持板１６の前部には前支持板１６ａを設け、この前支持板１６ａには、その前方へ突出させた支持杆１６ｂを設け、この支持杆１６ｂの前端部には、Ｌ字形状の回動板１６ｃを回動自在に装着して設け、この回動板１６ｃの一方側の下端部と、上下シリンダ２６ａの前端部とを連接させ、回動板１６ｃの他方側の前端部には支持杆１６ｄの一方側の端部を装着して設け、この支持杆１６ｄの他方側の端部と受板１９ａの前端の近傍部とを連接させている。
【００１９】
上下シリンダ２６ａの作動により、伝動ケース１７の上下回動中心２６位置を回動中心として、回動板１６ｃ、支持杆１６ｄ、受板１９ａ、補助受板１９ｃ及び後述する連結板２９等を介して、引起装置４、掘起装置５、及び根菜搬送装置６等を自動で一斉に上下回動制御することができる。図２は根菜類用収穫機の非作業状態で、引起装置４などを上昇した状態を示している。
【００２０】
引起装置４の後部の左右両側には、根菜搬送装置６の引抜搬送装置２８を設け、この引抜搬送装置２８の上端部の移送終端部は、伝動ケース１７の後側に、連結板２９を介して設けた伝動機構３０ａを内装した伝動ケース３０に前方上部へ突出する伝動機構３１ａを内装した支持杆３１の上側に設けた伝動ケース３２に内装した伝動機構３２ａで支持すると共に、回転駆動する構成である。この伝動ケース３０は伝動ケース１７の上下回動によって、該連結板２９を介して同時に上下回動することができる。
【００２１】
引抜搬送装置２８は前方から後方に向けて上昇傾斜していて、その上・下端部に回転自在に軸支して設けた上・下プーリ２８ｂ、２８ｃに引抜挟持ベルト２８ａ、２８ａを掛け渡している。掘起装置５で掘起したニンジン（イ）の葉部は、この引抜搬送装置２８の引抜挟持ベルト２８ａ、２８ａ間に挟持され、上部後方へ向けて移送され、この移送途中で後述する回転ブラシ４６および直根カッター４７を通過し、その後に後述する首揃移送装置３３へ引継することができる。
【００２２】
根菜搬送装置６の首揃移送装置３３、タッピング移送装置３４、葉部移送装置３５、及び葉切断装置１２は、ニンジン（イ）の収穫作業状態時には、圃場面に略平行状態に設けている（図１）。
首揃移送装置３３は引抜搬送装置２８の後側で移送終端部から所定距離下方に配置され、平面視で左右両側に設けている。この首揃移送装置３３の移送終端部は上伝動ケース３８に内装した伝動機構３８ａで支持さると共に、回転駆動される。また上伝動ケース３８は伝動ケース３０に上方へ向けて突出させて設けた伝動機構３７ａを内装した下支持ケース３７上側に設けられている。
【００２３】
また、首揃移送装置３３は支持プレート３９の前・後端部に回転自在に軸支される前・後プーリ３９ａ、３９ｂを設けると共に、これら前・後プーリ３９ａ、３９ｂ間には、複数個のＶ字形状の支持板とテンションローラを設け、これら前・後プーリ３９ａ、３９ｂ及び各テンションローラに首揃移送ベルト３９ｃを掛け渡している。平面視で左右両側に設けられた、これら首揃移送ベルト３９ｃ、３９ｃ間には、所定の隙間を設け、これら首揃移送ベルト３９ｃ、３９ｃ間にニンジン（イ）の葉部を挟持するが、この挟持力は引抜搬送装置２８の引抜挟持ベルト２８ａ、２８ａの挟持力より弱くなるように構成している。
【００２４】
引抜搬送装置２８の引抜挟持ベルト２８ａ、２８ａにニンジン（イ）の葉部を挟持して上部へ移送する途中で、首揃移送装置３３の首揃移送ベルト３９ｃ，３９ｃにもニンジン（イ）の葉部下部を挟持させているので、ニンジン（イ）の葉部を両者で挟持しながら、引抜挟持ベルト２８ａ、２８ａにより更に上部へ移送されることにより、ニンジン（イ）の胴部側の上端部（肩部）が首揃移送ベルト３９ｃ，３９ｃの下端部位置まで引き上げられて、ニンジン（イ）の首揃えが行われる。
【００２５】
タッピング移送装置３４の移送終端部は、上伝動ケース３８に上下に突出させて設けた上支持ケース４１に内装した伝動機構４１ａの下部側で支持すると共に、回転駆動する構成である。このタッピング移送装置３４は、首揃移送装置３３の上側に側面視所定間隔を設けて平行状態に設けると共に、移送始端部は首揃移送装置３３の前後方向略中央部に位置させ、前・後端部に回転自在に軸支して設けた前・後プーリ４２ａ、４２ｂにタッピング移送ベルト４２ｃを掛け渡した構成であり、平面視左右両側の該タッピング移送ベルト４２ｃ、４２ｃの間に、ニンジン（イ）の葉部を挟持する構成である。ニンジン（イ）の葉部は、引継のはじめには、引抜挟持ベルト２８ａ、２８ａ、首揃移送ベルト３９ｃ、３９ｃおよびタッピング移送ベルト４２ｃ、４２ｃの三者で挟持し、所定位置から後方では首揃移送ベルト３９ｃ、３９ｃと、タッピング移送ベルト４２ｃ、４２ｃとの両者で挟持し移送する。
【００２６】
葉部移送装置３５の移送終端部は上支持ケース４１に内装した伝動機構４１ａの上部側で支持すると共に回転駆動する構成である。この葉部移送装置３５は、タッピング移送装置３４の上側に側面視で所定間隔を設けて平行状態に設けると共に、移送始端部は該タッピング移送装置３４の移送始端部より、所定距離後方に位置させ、前・後端部に回転自在に軸支して設けた前・後プーリ４３ａ、４３ｂに葉部移送ベルト４３ｃを掛け渡し、平面視左右両側の該葉部移送ベルト４３ｃ、４３ｃの間にニンジン（イ）の葉部を挟持する構成である。引継のはじめは、ニンジン（イ）の葉部を、首揃移送ベルト３９ｃ、３９ｃ、タッピング移送ベルト４２ｃ、４２ｃおよび葉部移送ベルト４３ｃ、４３ｃの三者で挟持し、首揃移送ベルト３９ｃ、３９ｃの後端部から後方では、タッピング移送ベルト４２ｃ、４２ｃと葉部移送ベルト４３ｃ、４３ｃとの両者で挟持し、かつ後述する葉切断装置１２の後部からは、この葉切断装置１２で切断された切断葉のみを移送し、これらタッピング移送装置３４、及び葉部移送装置３５の両者の移送終端部から切断葉を圃場へ排出することができる。
【００２７】
葉切断装置１２は上伝動ケース３８から垂直下方へ突出させて設けた回転軸５５の軸端部に水平面内で回転する切断刃５５ａを装着しており、この葉切断装置１２は上下回動中心２６位置にある伝動ケース１７の近傍に設けると共に、首揃移送装置３３の移送終端部にも近接させている。切断刃５５ａはタッピング移送装置３４の下側で、首揃移送装置３３の所定位置下位に位置させており、切断刃５５ａにより、前記タッピング移送装置３４と葉部移送装置３５との両者により、ニンジン（イ）の葉部を挟持して移送する首揃したニンジン（イ）の葉部の所定位置を切断することができる。
【００２８】
車体７の後部には、図１に示すように補助車台４９を設け、この補助車台４９の上側には、収穫したニンジンを一時貯留する収納箱１５や、切断済みの切断葉を一時貯留する葉収納箱を載置できる。
【００２９】
図４ないし図６により本発明のニンジン収穫機の回転ブラシ手段および直根カッター手段に関する特徴について説明する。図４は回転ブラシ４６および直根カッター４７付近の側面図であり、図５は図４のＡ−Ａ線矢視展開断面図であり、図６は本実施例の変形例の回転ブラシの断面図である。
【００３０】
図１、図４および図５に示すように、引抜搬送装置２８の中間部の下方で、首揃移送装置３３よりも前方の受板１９ａ、１９ａにサイドプレート４６ｅ、４６ｅを取り付け、該サイドプレート４６ｅ、４６ｅに回転ブラシ４６、直根カッター４７および根部案内ガイド４８を架設する。
【００３１】
回転ブラシ４６は円筒形のボス４６ａの外周にブラシ毛４６ｂを植設してブラシ外周の包絡線形状をほぼ円筒形に形成し、ボス４６ａの中心に軸４６ｃを軸着し、軸４６ｃはサイドプレート４６ｅ、４６ｅに固設した軸受４６ｄ、４６ｄにて回転自在に軸支する。軸４６ｃは水平方向かつ引抜搬送装置２８の移送方向（図４の矢印Ｂ方向）に対して直角方向をなす。
【００３２】
直根カッター４７は、上述の回転ブラシ４６の近傍であって、その後方に、回転ブラシ４６の軸４６ｃと同様な水平方向かつ引抜搬送装置２８の移送方向（図４の矢印Ｂ方向）に対して直角方向をなす軸４７ａに複数本（図１、図４では３本）の腕を持つ回転アーム４７ｂを軸着し、該回転アーム４７ｂのそれぞれの先端部に刃先が軸４７ａに並行な方向に向けられたカッターブレード４７ｃを固設し、軸４７ａはサイドプレート４６ｅ、４６ｅに固設した軸受４７ｄ、４７ｄにより回転自在に軸支する。
【００３３】
根部案内ガイド４８は受け板１９ａ、１９ａの内側に、直根カッター４７を挟むように設けられている。案内板４８ａは側面視で上向きに凸の半円環状であり、平面視では直根カッター４７の軸４７ａを中心軸とする円錐面をなし、２枚の案内板４８ａ、４８ａの円錐面を向かい合わせて谷間状案内面を形成し、移送されてきた根菜の茎部の左右方向が、根部案内ガイド４８の上記谷間状案内面により規制されて位置決めされる構成である。
【００３４】
案内板４８ａ、４８ａの前後方向両端下方にタイロッド４８ｂ、４８ｂおよびスペーサ４８ｃ、４８ｃを固着して根部案内ガイド４８の固定と平面視方向の位置決めをしている。上記タイロッド４８ｂ、４８ｂはサイドプレート４６ｅ、４６ｅにより支持され、前方のタイロッド４８ｂはサイドプレート４６ｅ、４６ｅ上の回動中心４８ｆ、４８ｆで回動自在に支承されている。後方のタイロッド４８ｂの両端には雄ねじが設けられていて調整用のノブボルト４８ｄ、４８ｄとし、タイロッド４８ｂの両端はサイドプレート４６ｅ、４６ｅに設けた上下方向の長穴４６ｆ、４６ｆに遊嵌されて外側に突出し、該突出部の雄ねじに調整ナット４８ｅ、４８ｅを螺合する。該調整ナット４８ｅ、４８ｅをネジ締めすることにより後方のタイロッド４８ｂをサイドプレート４６ｅ、４６ｅに掛けて、根部案内ガイド４８の上下方向の位置決めをしている。調整ナット４８ｅ、４８ｅを緩めて後方のタイロッド４８ｂを上下に移動すれば、根部案内ガイド４８は長穴４６ｆの範囲内で上下方向の任意の位置に調節できる。
【００３５】
エンジン１１の動力は伝動軸１１ｃに軸着した駆動プーリ１１ｄから駆動ベルト１１ｅを経て被動プーリ１７ｃに伝動され、被動プーリ１７ｃを軸着する回転軸１７ｂを回転させる。回転軸１７ｂは引起装置４、掘起装置５及び根菜搬送装置６などを駆動する他、上記回転ブラシ４６および直根カッター４７を駆動する。すなわち、回転軸１７ｂに軸着した伝動プーリ１７ｄに掛けたベルト１７ｅは軸受１７ｈにより回転自在に支承される軸１７ｇに軸着したプーリ１７ｆを駆動し、該軸１７ｇに軸着するスプロケット歯車１７ｋ、スプロケットチェン１７ｌ及びスプロケット歯車１７ｍを駆動する。該スプロケット歯車１７ｍは回転ブラシ４６の軸４６ｃに軸着しているので回転ブラシ４６は図４の矢印Ｃ方向に回転する。
【００３６】
軸１７ｇには歯車１７ｉが軸着し、該歯車１７ｉは直根カッター４７の軸４７ａに軸着する歯車１７ｊに噛み合って回転を伝動するので、直根カッター４７は回転ブラシ４６とは反対方向で根菜類の搬送方向と同じ方向の図４の矢印Ｄ方向に回転する。
【００３７】
上記構成による作用を次に説明する。
根菜類用収穫機１の前進走行にともない引起装置４で引起こされ、掘起装置５で掘起こされ、根菜搬送装置６の引抜挟持ベルト２８ａ、２８ａに葉部を挟持されたニンジン（イ）は、図４の矢印Ｂ方向に上昇しつつ後方に搬送される。ニンジン（イ）の茎根部は、矢印Ｃ方向に回転する回転ブラシ４６のブラシ毛４６ｂに接触して付着する泥などを除去される。ニンジン（イ）の進行するＢ方向と、ブラシ毛４６ｂが回転するＣ方向とは反対方向であるからより効果的な泥の除去、清掃が行われる。泥を除去されたニンジン（イ）は、根部案内ガイド４８により、正確に案内されて直根カッター４７により直根（ニンジンの尻尾部）を切断されるが、直根カッター４７は図４の矢印Ｄ方向に回転するので、矢印Ｂ方向に進行するニンジン（イ）に強い衝撃を与えることなく、安定かつ適正に直根を切断することができる。直根の長さおよび形状はニンジン（イ）の品種、収穫時期、成育状況により変化するが、調整ノブボルト４８ｄの調整ナット４８ｅを緩めて直根カッター４７の高さを上下に調節することにより、安定的に適正位置で切断することができる。
【００３８】
また、上記回転ブラシ４６のボス４６ａに植設するブラシ毛４６ｂの外周形状を、上述したほぼ円筒形にするのではなく、図６の回転ブラシ断面図に示すように、ブラシ毛４６ｂの中央部分をＶ形あるいはＵ形などの凹部を設ける形状に構成とすれば、根菜（イ）の根部に対するブラシ毛４６ｂの接触表面積が大きくなり、根菜（イ）の下部だけでなく根部上部にも広く接触して効果的に泥を落とすことができる。
【００３９】
図７の側面図に示す根菜類用収穫機の例は、従来の根菜類用収穫機において、根菜搬送装置６の引抜搬送装置２８からタッピング移送装置３４、葉部移送装置３５に引き継ぎする際に、移送する根菜の茎葉の姿勢が乱れ、根部の姿勢が傾斜するために、茎葉の切断面が傾いて収穫根菜の商品価値を低下させることがあったので、その課題を解決しようとするものである。
【００４０】
圃場に植生するニンジン（イ）は、根菜類用収穫機１の前進走行にともない引起装置４の引起ラグ２２ｂで引き起こされ、掘起装置５のソイラー２７ｂで掘り起こされ、根菜搬送装置６の引抜搬送装置２８の引抜挟持ベルト２８ａ、２８ａに葉部を挟持され、図７に示すように矢印Ｂ方向に上昇しつつ後方に移送される。引抜挟持ベルト２８ａの移送速度はベクトル矢印で示すＶ１である。ニンジン（イ）の葉部は、引抜搬送装置２８の引抜挟持ベルト２８ａ、２８ａに挟持されたまま、まず首揃移送装置３３の首揃移送ベルト３９ｃ、３９ｃに挟持されて矢印Ｅ方向に移送されながら首揃移送ベルト３９ｃ、３９ｃの下端にニンジン（イ）の首部を当接するように揃えて、ついでタッピング移送装置３４のタッピング移送ベルト４２ｃ、４２ｃに挟持されて矢印Ｆ方向に移送され、さらに、葉部移送装置３５の葉部移送ベルト４３ｃ、４３ｃに挟持されて矢印Ｇ方向に移送される。
【００４１】
従来例においては、引抜搬送装置２８の引抜挟持ベルト２８ａの移送速度と、タッピング移送装置３４のタッピング移送ベルト４２ｃの移送速度と、葉部移送装置３５の葉部移送ベルト４３ｃの移送速度とはいずれも等しい速度Ｖ１としていた。このように従来はＶ１＝Ｖ２としていたためにＶ１ｘ＜Ｖ２となっていて、引抜搬送装置２８の引抜挟持ベルト２８ａからタッピング移送ベルト４２ｃへニンジン（イ）を引き継ぐ際に移送速度が増速し、葉部の挟持状態の乱れと、胴部の姿勢の傾きを生じ、その結果、葉切断装置１２における茎葉切断面に傾きが発生していた。
【００４２】
しかし、図７に示す構成では引抜搬送装置２８の引抜挟持ベルト２８ａの移送速度Ｖ１をタッピング移送ベルト４２ｃの移送速度Ｖ２よりも大に設定し、引抜挟持ベルト２８ａの移送速度Ｖ１のｘ方向分速度Ｖ１ｘと前記移送速度Ｖ２の関係を
Ｖ１ｘ≧Ｖ２
となるように各移送速度を設定する。こうして、引抜挟持ベルト２８ａからタッピング移送ベルト４２ｃへニンジン（イ）を引き継ぐ際に移送速度が等しいか、少なくとも増速することがなく、引き継ぎタイミングの狂いがなくなり、葉部の挟持状態の乱れと胴部姿勢の傾きを発生することなく、その結果、葉切断装置１２における茎葉切断面安定して正常状態が維持できて、収穫したニンジン（イ）の商品価値が向上する。
【００４３】
図８ないし図１１には、根菜類用収穫機の変形例を示す。図８は引抜搬送装置２８の終端部の側面断面図であり、図９は図８のＨ−Ｈ線矢視の上面図であり、またこれを変形した例である図１０は根菜類用収穫機のタッピング移送装置３４の側面断面図であり、図１１は図１０のＩ−Ｉ線矢視の上面図である。
【００４４】
本例により、根菜類用収穫機の引抜搬送装置２８の終端部において駆動プーリ２８ｂ付近に根菜類の葉部が巻き込まれて詰まり、後続の根菜の搬送を阻害して根菜の姿勢を乱れさせることを防止することができ、また根菜類用収穫機のタッピング移送装置３４の駆動プーリ４２ｂ付近に根菜類の葉部が巻き込まれて詰まり、後続の葉部の搬送が阻害されて葉部が排出されないような事態の発生を防止することができる。
【００４５】
図８および図９に示す根菜類用収穫機の引抜搬送装置２８は、駆動側の上プーリ２８ｂと図示しない下プーリ２８ｃとの間に無端帯状ベルトからなる引抜挟持ベルト２８ａを掛け、引抜挟持ベルト２８ａは左右一対に配置して、一対のベルト２８ａ、２８ａの間に根菜を挟持する構成であり、一対のベルトの間隔を保持し、かつ挟持力を付与するために多数のテンションローラ２８ｄ、２８ｄ・・・を配置している。
【００４６】
本例では、引抜搬送装置２８の終端部で、挟持して搬送したニンジン（イ）の葉部を後続するタッピング移送装置３４に引き継ぐと、引抜挟持ベルト２８ａは上プーリ２８ｂに接触するが、このときベルト２８ａとプーリ２８ｂとの間の空間に葉部などが巻き込まれやすいことに着目して、該空間付近のベルト２８ａとプーリ２８ｂの上端面を覆う巻込防止用カバー２８ｅを設ける構成とした。
【００４７】
また、図１０および図１１に示す変形例の根菜類用収穫機のタッピング移送装置３４は、前プーリ４２ａと駆動側の後プーリ４２ｂとの間に無端帯状ベルトからなるタッピング移送ベルト４２ｃを掛け、タッピング移送ベルト４２ｃは左右一対に配置して、一対のベルト４２ｃ、４２ｃの間にニンジン（イ）の葉部を挟持する構成であり、一対のベルトの間隔を保持し、かつ挟持力を付与するために多数のテンションローラ４２ｄ、４２ｄ・・・を配置している。
【００４８】
図１０および図１１に示す例では、タッピング移送装置３４の終端部で、挟持して移送したニンジン（イ）の葉部を放出すると、タッピング移送ベルト４２ｃは後プーリ４２ｂに接触するが、このときベルト４２ｃとプーリ４２ｂとの間の空間に葉部などが巻き込まれやすいことに着目して、該空間付近のベルト４２ｃとプーリ４２ｂの上端面を覆う巻込防止用カバー４２ｅを設ける構成とした。
【００４９】
図８〜図１１に示す例では引抜搬送装置２８およびタッピング輸送装置３４のそれぞれの終端部のベルトとプーリの上端面を覆う巻込防止用カバーを設ける構成としたので茎葉の巻込が起こらないため、切断するニンジン（イ）の姿勢が安定して、切断性能、搬送性能ならびに作業能率を向上する。
【００５０】
引抜搬送装置２８およびタッピング移送装置３４近傍の別の変形例を図１２および図１３に示す。これは、駆動機構、プーリ、ベルトなどからなる首揃移送装置を設けることなく、簡単な構成で根菜類の葉部切断前の首揃えを行うための構成であり、図１２は根菜搬送装置６の引抜搬送装置２８、タッピング移送装置３４、葉切断装置１２付近の一部断面側面図であり、図１３は首揃ガイドの上面図である。
【００５１】
図１２および図１３に示すように、首揃ガイド５０は可撓性の金属板または合成樹脂板などで作られた一対の細長い平板状のガイド板５０ａ、５０ａを長手方向を根菜類収穫機の前後方向にして、平面視で狭い透き間を空けて平行に揃え、側面視前端部を引抜搬送装置２８の中間部下部に平行に、後端部を葉部切断装置１２の前方でタッピング移送装置３４の中間部下方に平行に設置し、ガイド板５０ａは前端部から後端部にかけて緩やかな曲線状に形成する。それぞれのガイド板５０ａ，５０ａの前端部は、ピン５０ｂにより引抜搬送装置２８のフレームに支承させ、後端部近くに長穴付きブラケット５０ｃを設け、調節ボルト５０ｄを挿入し、伝動ケース３８の一部に調節自在に締結する。
【００５２】
本例によれば、ニンジン（イ）は引抜搬送装置２８の引抜挟持ベルト２８ａ、２８ａに挟持されて図１２の矢印Ｂ方向に搬送され、ガイド板５０ａ、５０ａの先端部に到達すると、ニンジン（イ）の葉部がガイド板５０ａ、５０ａの平行な隙間部に挿入され、さらに引抜挟持ベルト２８ａ、２８ａに挟持されたまま矢印Ｂ方向に搬送されるのでニンジン（イ）が上昇して、ニンジン（イ）の肩部がガイド板５０ａ、５０ａの下面に接触して案内作用を受け、ニンジン（イ）の葉部は引抜挟持ベルト２８ａ、２８ａに挟持されたまま、ニンジン（イ）の肩部がガイド板５０ａの下面に沿って移送される。
【００５３】
ガイド板５０ａ、５０ａの終端部の下面の位置は、ブラケット５０ｃの長孔と調節ボルト５０ｄにより葉部切断装置１２に対して適切な位置に調節でき、かつ調節ボルト５０ｄはガイド板５０ａの終端部に接近して設けるので上記位置調節が極めて容易であり、葉切断装置１２によりニンジン（イ）の葉部を適切な個所で切断することができ、簡単な構成でニンジン（イ）の首揃えを行うことができる。
【００５４】
図１４ないし図１６に示す根菜類用収穫機では夜間にも操縦席後部の収穫物収納コンテナの収納作業を容易にすることができる。
図１４は根菜類用収穫機の斜視図であり、図１５は根菜類用収穫機の上面図であり、図１６は根菜類用収穫機の作業灯を示す斜視図である。
【００５５】
本例は図１４ないし図１６に示すように根菜類用収穫機１の操縦席１０の後方で燃料タンク１１ｆの側方に、作業灯５１を設置する構成である。作業灯５１は適切な照度を持つ照明ランプ５１ａと伸縮可能なステム５１ｂからなり、ステム５１ｂの下部は下部回転ジョイント５１ｃにより根菜類用収穫機１に取り付けられ、ステム５１ｂの上部は上部回転ジョイント５１ｄにより照明ランプ５１ａを支持する。
【００５６】
本例によれば、作業灯５１を使用しない場合には図１４および図１６の参考線に示す位置に収納して作業の支障を来さないようにすると共に夜間など作業灯５１を点灯して照明に使用する場合には、ステム５１ｂを矢印Ｊ方向に引き出して、かつ矢印Ｍ方向に伸縮し、さらに照明ランプ５１ａを照明を必要とする方向に、矢印Ｋのように水平回転し、また矢印Ｌのように上下方向に回転して、図１５の参考線で示す照明範囲を照明する。
【００５７】
したがって、根菜類用収穫機１の走行運転時など非収穫作業時および収穫作業時でも昼間など照明を必要としないときには、作業灯５１を収納して他の作業に支障を来すことなく、また夜間作業など照明を必要とするときには、従来照明されなかった操縦席後方および側方を広範囲に照明できて、収穫物のコンテナ収納作業など、根菜類用収穫機による収穫作業を極めて能率的に行うことができる。なお、上述の作業灯５１の点滅用に操作装置９に専用スイッチを設けることもできるが、従来から設置されている前照灯１０ａの点滅切換スイッチがハイビーム、ロービームおよび消灯の３位切換スイッチであることを利用して、たとえばハイビームで作業灯５１が点灯、ロービームで前照灯１０ａが点灯、消灯で全消灯とするように配線すれば、１個の既設スイッチだけで作業灯５１と前照灯１０ａの点滅操作を行うことができ、スイッチ、リレーなどの電装品の節減、作業灯５１と前照灯１０ａの同時点灯を防止することによる発電器、蓄電器の容量の削減などの効果が得られる。
【００５８】
図１７および図１８には操縦席１０に搭乗したオペレータの操縦操作を容易にするための構成を示す。図１７は操作装置９の俯瞰図であり、図１８は操作装置９に設ける堀取ロックスイッチの上面図である。
【００５９】
図１７に示すように、操縦装置９の主操作パネル５２を操縦装置９の左前方に配置し、主操作パネル５２には掘取自動制御スイッチ５２ａ、掘取高さ調整ダイアル５２ｂ、掘取上下スイッチ５２ｃなど、収穫作業中の掘取制御に必要な操作スイッチ、調整ダイアルを設置する。
【００６０】
すなわち、図３の根菜類用収穫機１の上面図に示すように、根菜類用収穫機１の左前方の先端部には、分草具２３、引起装置４の引起ケース２１、２２、引起ラグ２２ｂ、掘起装置５などが配置されているので、操縦席１０に着座したオペレータは、収穫作業中、左側前方を注視していることが多い。
【００６１】
図１７および図１８に示す操縦装置９の主操作パネル５２を操縦装置９の左前方に配置し、該主操作パネル５２には掘取自動制御スイッチ５２ａ、掘取高さ調整ダイアル５２ｂ及び掘取上下スイッチ５２ｃなど、掘取制御に必要な操作スイッチ、調整ダイアルを設置したので、オペレータが収穫作業の操縦中に根菜類用収穫機１の左側前方先端部を注視していても、オペレータの視野の中に主操作パネル５２が入り、掘取制御に必要な操作を容易に行い得るので、根菜類用収穫機１の操作性を良くすることができる。
【００６２】
なお、図１７および図１８に示すように、操作装置９に掘取ロックスイッチ５３を設けて、運搬走行時など非掘取作業時に掘取ロックスイッチ５３をロック側に設定できるようにし、ロック側設定状態では図示しない電磁油圧制御弁の電気回路を切断して、上下シリンダ２６ａ（図１、図２）を上昇状態としたまま保持するようにすることにより、誤ってメイン電源スイッチを入れ、掘取上下スイッチ５２ｃを操作しても、掘起装置５などが下降することがない。
【図面の簡単な説明】
【図１】本発明の実施の形態の根菜類用収穫機（作業状態）の一部切り欠き側面図を示す。
【図２】図１の根菜類用収穫機（非作業状態）の側面図を示す。
【図３】図１の根菜類用収穫機の上面図を示す。
【図４】図１の根菜類用収穫機の回転ブラシおよび直根カッター付近の側面図である。
【図５】図４のＡ−Ａ線矢視展開断面図である。
【図６】図１の根菜類用収穫機の回転ブラシの断面図である。
【図７】本発明の実施の形態の根菜類用収穫機の側面図である。
【図８】図７の根菜類用収穫機の引抜搬送装置の終端部付近の側面断面図である。
【図９】図８のＨ−Ｈ線矢視の上面図である。
【図１０】図７の根菜類用収穫機の変形例のタッピング移送装置の側面断面図である。
【図１１】図１０のＩ−Ｉ線矢視の上面図である。
【図１２】図７の根菜類用収穫機の別の変形例の引抜搬送装置、タッピング移送装置、葉切断装置付近の一部断面側面図である。
【図１３】図７の根菜類用収穫機の別の変形例の首揃ガイドの上面図である。
【図１４】本発明の実施の形態の根菜類用収穫機の斜視図である。
【図１５】図１４の根菜類用収穫機の上面図である。
【図１６】図１４の根菜類用収穫機の作業灯の斜視図である。
【図１７】本発明の実施の形態の根菜類用収穫機の操作装置の俯瞰図である。
【図１８】図１７の根菜類用収穫機の操作装置に設ける掘取ロックスイッチの上面図である。
【符号の説明】
１根菜類用収穫機２走行車両
３収穫用作業装置４引起装置
５掘起装置６根菜搬送装置
７車体８クローラ
９操作装置９ａ走行レバー
９ｂコンビネーションメータ９ｃコンビネーションスイッチ
１０操縦席１０ａ前照灯
１１原動機（エンジン）１１ａ走行ケース
１１ｂ伝動機構１１ｃ伝動軸
１１ｄ駆動プーリ１１ｅ駆動ベルト
１１ｆ燃料タンク１２葉切断装置
１３第１移送コンベア１４第２移送コンベア
１５収納箱１６支持板
１６ａ前支持板１６ｂ支持杆
１６ｃＬ字形状の回動板１６ｄ支持杆
１７伝動ケース１７ａ伝動機構
１７ｂ回転軸１７ｃ被動プーリ
１７ｄ伝動プーリ１７ｅベルト
１７ｆプーリ１７ｇ軸
１７ｈ軸受１７ｉ歯車
１７ｊ歯車１７ｋスプロケット歯車
１７ｌスプロケットチェン１７ｍスプロケット歯車
１８支持板１９ａ受板
１９ｂ取付板１９ｃ補助受板
２０ａ上受杆２０ｂ下受杆
２０ｃ伝動機構２１、２２引起ケース
２２ａ引起チェン２２ｂ引起ラグ
２３分草具２４凸凹センサ
２５ａ支持板２５ｂ接地プレート
２５ｃポテンショメータ２５ｄ連結ロッド
２６上下回動中心２６ａ上下シリンダ
２７ソイラー２７ａ支持杆
２７ｂ掘起板２８引抜搬送装置
２８ａ、２８ａ引抜挟持ベルト２８ｂ、２８ｃ上・下プーリ
２８ｄテンションローラ２８ｅ巻込防止用カバー
２９連結板３０伝動ケース
３０ａ伝動機構３１支持杆
３１ａ伝動機構３２伝動ケース
３２ａ伝動機構３３首揃移送装置
３４タッピング移送装置３５葉部移送装置
３７下支持ケース３７ａ伝動機構
３８上伝動ケース３８ａ伝動機構
３９支持プレート３９ａ、３９ｂ前・後プーリ
３９ｃ、３９ｃ首揃移送ベルト３９ｄスプリング板
４０支持板４０ａ、４０ａテンションローラ
４０ｂ、４０ｂ支持ピン４１上支持ケース
４１ａ伝動機構４２ａ、４２ｂ前・後プーリ
４２ｃ、４２ｃタッピング移送ベルト
４２ｄテンションローラ４２ｅ巻込防止用カバー
４３ａ、４３ｂ前・後プーリ４３ｃ、４３ｃ葉部移送ベルト
４４テンションローラ４５連結プレート
４５ａ連結ボルト４６回転ブラシ
４６ａボス４６ｂブラシ毛
４６ｃ軸４６ｄ軸受
４６ｅサイドプレート４６ｆ長孔
４７直根カッター４７ａ軸
４７ｂ回転アーム４７ｃカッターブレード
４７ｄ軸受４８根部案内ガイド
４８ａ案内板４８ｂタイロッド
４８ｃスペーサ４８ｄ調整ノブボルト
４８ｅ調整ナット４８ｆ回動中心
４９補助車台５０首揃ガイド
５０ａガイド板５０ｂピン
５０ｃ長穴付きブラケット５０ｄ調整ボルト
５１作業灯５１ａ照明ランプ
５１ｂステム５１ｃ下部回転ジョイント
５１ｄ上部回転ジョイント５２主操作パネル
５２ａ掘取自動制御スイッチ５２ｂ掘取高さ調整ダイアル
５２ｃ掘取上下スイッチ５３掘取ロックスイッチ
５５回転軸５５ａ切断刃[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a harvester for root vegetables such as carrots.
[0002]
[Prior art]
An example of a conventional harvester for root vegetables will be described below by taking carrot as an example of root vegetables. A conventional carrot harvester, after raising carrot foliage in a field, digging in a state of being sandwiched by a sandwich conveyor belt consisting of a pair of endless belts rotating in reverse, and then transporting the rear of the harvester by the sandwich conveyor belt It is a machine that cuts the foliage in the process and transports it back to store the carrots in the storage box.
[0003]
[Problems to be solved by the invention]
The carrot harvester of the prior art described above has been stored in a storage box after cutting the leaf portion and the straight root. However, mud is attached to the carrot that has been dug, and the nipping and conveying belt grips and conveys the carrot with mud. Since the cutting of the straight root at the tip of the carrot is performed during conveyance, positioning of the carrot becomes inaccurate with the mud attached, and the cutting of the straight root is not performed completely. In addition, since the carrot is stored with mud, a large amount of manual work is required to remove the mud after storage.
[0004]
An object of the present invention is to provide a harvester for root vegetables that can remove mud adhering to a carrot that has been dug out, accurately grip and convey, and automatically cut a straight root stably and completely. .
[0005]
[Means for Solving the Problems]
The above object of the present invention is achieved by the following configuration. That is, a root vegetable transporting device (6) that sandwiches and pulls root vegetables and leaves and transports them backward, and a tapping transfer device (34) that takes over and transports the root vegetables transported by the root vegetable transport device (6). Leaf cutting device (12) for separating the root vegetables conveyed by the tapping transfer device (34) into roots and stems and leaves And In the root vegetable harvesting machine, the root vegetables are removed from the root vegetable transport device (6). Has brush hair (46b) A rotating brush means (46) and a cutter means (47) for cutting the roots of the root vegetables after passing through the rotating brush means (46) are provided in order, and the rotating brush means (46) Is that The rotating shaft (46a) is arranged in a direction perpendicular to the nipping and conveying direction of the root vegetable conveying device (6). The brush hair (46b) is provided with a recess in the central portion in the direction of the rotation axis (46a), and the brush hair (46b) is opposite to the rotation direction of the cutter means (47) and the root vegetable transporting direction of the root vegetable transporting device (6). The cutter means (47) is configured so that its height can be adjusted. It is a harvester for root vegetables.
[0006]
【The invention's effect】
According to the present invention , Times The rotating brush means can effectively remove mud from root vegetables. Straight The straight root can be stably cut by the rotation of the root cutter means.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described with reference to the drawings. However, the present invention is not limited by the following embodiments. FIG. 1 shows a partially cutaway side view of the working state of the root vegetable harvesting machine of the embodiment of the present invention, and FIG. 2 shows a side view of the root vegetable harvesting machine of the embodiment of the present invention in a non-working state. FIG. 3 is a top view of the harvester for root vegetables according to the embodiment of the present invention.
[0008]
A case where carrots (I) are harvested as root vegetables (I) by the root vegetables harvester according to the embodiment of the present invention will be described. The root vegetable harvesting machine 1 shown in FIGS. 1 to 3 excavates carrots (I) from the field, drops mud while transporting the excavated carrots (I), leaves, and the opposite of the leaves A straight root is cut from a predetermined position on the lower side, and primary storage or the like is performed in a storage box 15 such as a container.
[0009]
The harvester 1 for root vegetables is provided with a harvesting work device 3 on the outer side of the left side of the traveling vehicle 2, and the harvesting work device 3 includes a front pulling device 4, a dug device 5 and a rear root vegetable. It is the structure which consists of the conveying apparatus 6 grade | etc.,.
[0010]
In the traveling vehicle 2, a crawler 8 is stretched on both the left and right sides of the lower side of the vehicle body 7. A cockpit 10 for operation is provided, and a motor (engine) 11 is provided below the cockpit 10. The crawler 8 is driven from the prime mover 11 through the transmission mechanism 11b in the traveling case 11a.
[0011]
On the upper side of the rear part of the vehicle body 7, a predetermined position of the carrot (I) leaf part is cut by a leaf cutting device 12 to be described later, the leaf part has been cut, and a predetermined position on the lower side opposite to the leaf part has been cut. A first transfer conveyor 13 and a second transfer conveyor 14 that receive the supply of carrot (a) and transfer in the lateral direction on the cockpit 10 side are provided, and these first and second transfer conveyors 13 and 14 are at the end of transfer. It is provided to be inclined downward toward the part. Under the transfer end portion of the second transfer conveyor 14 and on the upper side of the vehicle body 7, the supply of carrots (I) having been cut off from the leaf portion is received from the second transfer conveyor 14, and stored and primarily stored. A storage box 15 is placed.
[0012]
A U-shaped support plate 16 protruding upward is provided on the left side of the rear portion of the vehicle body 7, and a transmission case 17 having a transmission mechanism 17 a is rotatably provided above the support plate 16. . The transmission case 17 is provided with a support plate 18 that protrudes to the lower front, and the front end of the support plate 18 is provided with mounting plates 19b that are fixed to the left and right sides with receiving plates 19a that protrude to the lower front. An auxiliary receiving plate 19c protruding to the lower front side is fixed to the front end portions of the receiving plates 19a, 19a.
[0013]
The pulling devices 4 on both the left and right sides are configured such that the upper part is supported by an upper receiving rod 20a having a transmission mechanism 20c protruding forward from the transmission case 17 and is driven to rotate, and the lower part is forwarded from the auxiliary receiving plate 19c. It is supported by the protruding lower receiving rod 20b.
[0014]
The pulling device 4 is provided on both the left and right sides of the front part of the root vegetable transfer device 6. The pulling device 4 is provided with pulling chains 22a that are rotatably mounted in the pulling cases 21 and 22 on both the left and right sides. The pulling lug 22b protrudes between the pulling cases 21 and 22 while the pulling chain 22a is located at the front upper end from the front lower end, and serves as an action part for raising the carrot (I) leaf part, and the rear part is raised. It becomes a non-working part.
[0015]
On the lower outer surface of the pulling case 21, a weeding tool 23 for separating the carrot (I) leaves is provided so as to protrude forward, and the uneven sensor 24 for detecting the unevenness of the field as shown in FIG. It is provided between the line that digs up (a) and the adjacent line adjacent to this line. The unevenness sensor 24 has a grounding plate 25b bonded to a support plate 25a rotatably provided on the outer surface of the pulling case 21, and a connecting rod 25d that connects the upper end of the support plate 25a and a potentiometer 25c. It is configured.
[0016]
The grounding plate 25b detects ups and downs in the field and rotates up and down, and this rotation is detected by the potentiometer 25c. By this detection, the pulling device 4 on both the left and right sides, the digging device 5 and the root vegetable transfer device 6 described later, etc. However, the vertical rotation is controlled by the operation of the vertical cylinder 26a around the vertical rotation center 26 position of the transmission case 17. The rear end portion of the ground plate 25b is positioned in front of the lower front end position of the pulling and conveying device 28 of the root vegetable conveying device 6 to improve detection performance.
[0017]
The digging device 5 is installed on the auxiliary receiving plates 19c on both the left and right sides, and is configured to be freely adjustable up and down manually or automatically. This digging device 5 is formed by forming a soiler 27 with a knife-like digging plate 27b at the front end portion of a support rod 27a projecting to the lower front side. The left and right sides of the carrot (I) can be dug with the 5 soiler 27.
[0018]
A front support plate 16a is provided at the front portion of the support plate 16 of the vehicle body 7. The front support plate 16a is provided with a support rod 16b protruding forward, and an L-shape is provided at the front end of the support rod 16b. A rotating plate 16c having a shape is rotatably mounted, a lower end portion on one side of the rotating plate 16c is connected to a front end portion of the upper and lower cylinders 26a, and a front end portion on the other side of the rotating plate 16c is connected. Is provided with an end on one side of the support rod 16d, and the end on the other side of the support rod 16d is connected to the vicinity of the front end of the receiving plate 19a.
[0019]
By the operation of the upper and lower cylinders 26a, with the vertical rotation center 26 position of the transmission case 17 as the rotation center, the rotation plate 16c, the support rod 16d, the receiving plate 19a, the auxiliary receiving plate 19c, the connecting plate 29 described later, and the like. The pulling device 4, the digging device 5, the root vegetable transfer device 6 and the like can be automatically and vertically controlled simultaneously. FIG. 2 shows a state in which the pulling device 4 and the like are raised in a non-working state of the root vegetable harvesting machine.
[0020]
On both the left and right sides of the rear portion of the pulling device 4, there are provided a pulling and conveying device 28 of the root vegetable conveying device 6. The transmission mechanism 30a is provided with a transmission mechanism 30a that is supported on the transmission case 32 provided on the transmission case 32 provided on the upper side of the support rod 31 provided with the transmission mechanism 31a that protrudes upward in the transmission case 30 provided with the transmission mechanism 30a. It is. The transmission case 30 can be simultaneously rotated up and down via the connecting plate 29 by the vertical rotation of the transmission case 17.
[0021]
The drawing / conveying device 28 is inclined upward from the front to the rear, and the drawing / clamping belts 28a and 28a are stretched around upper and lower pulleys 28b and 28c that are rotatably supported at upper and lower ends of the drawing / conveying device 28. Yes. The leaf portion of carrot (I) dug by the dug device 5 is pinched between the draw pinch belts 28a, 28a of the draw carrier device 28 and transferred toward the upper rear. 46 and the straight root cutter 47, and then can be handed over to the neck aligner 33 described later.
[0022]
The neck alignment transfer device 33, the tapping transfer device 34, the leaf portion transfer device 35, and the leaf cutting device 12 of the root vegetable transfer device 6 are provided in a substantially parallel state to the field scene during the carrot (I) harvesting operation state ( FIG. 1).
The neck aligning transfer device 33 is disposed at a predetermined distance below the transfer end portion on the rear side of the pulling and conveying device 28, and is provided on both the left and right sides in a plan view. The transfer terminal portion of the neck aligning transfer device 33 is supported by a transmission mechanism 38a built in the upper transmission case 38 and is rotationally driven. The upper transmission case 38 is provided on the upper side of the lower support case 37 in which a transmission mechanism 37a provided to protrude upward from the transmission case 30 is provided.
[0023]
The neck aligning / transferring device 33 is provided with front and rear pulleys 39a and 39b rotatably supported at the front and rear end portions of the support plate 39, and a plurality of the front and rear pulleys 39a and 39b are provided between the front and rear pulleys 39a and 39b. A V-shaped support plate and a tension roller are provided, and the front and rear pulleys 39a and 39b and the tension rollers are stretched over a neck-alignment transfer belt 39c. A predetermined gap is provided between the neck alignment transfer belts 39c and 39c provided on the left and right sides in a plan view, and the leaf portion of the carrot (I) is sandwiched between the neck alignment transfer belts 39c and 39c. This clamping force is configured to be weaker than the clamping force of the drawing and clamping belts 28a and 28a of the drawing and conveying apparatus 28.
[0024]
In the middle of transporting the leaf portion of the carrot (I) to the upper part of the pulling and holding belt 28a, 28a of the pulling and conveying device 28 and transferring it to the upper part, the carrot (I) is also transferred to the neck aligning belts 39c and 39c of the neck aligning device 33. Since the lower part of the leaf part is clamped, the upper part of the carrot (I) on the body part side is transferred by being further moved upward by the pulling and clamping belts 28a, 28a while holding the leaf part of the carrot (I) between them. The part (shoulder part) is pulled up to the position of the lower end part of the neck alignment transfer belts 39c, 39c, and the neck alignment of the carrot (I) is performed.
[0025]
The transfer terminal portion of the tapping transfer device 34 is configured to be supported by the lower side of the transmission mechanism 41a built in the upper support case 41 provided so as to protrude upward and downward from the upper transmission case 38 and to be driven to rotate. The tapping transfer device 34 is provided in a parallel state with a predetermined interval in a side view on the upper side of the neck aligning transfer device 33, and the transfer start end portion is positioned at a substantially central portion in the front-rear direction of the neck aligning transfer device 33. A tapping transfer belt 42c is stretched around front and rear pulleys 42a and 42b that are rotatably supported at the ends, and carrots (between the tapping transfer belts 42c and 42c on the left and right sides in plan view). B) A configuration in which the leaf portion is sandwiched. At the beginning of the takeover, the leaf of the carrot (a) is clamped by three members: the pulling and clamping belts 28a and 28a, the neck aligning belts 39c and 39c, and the tapping transport belts 42c and 42c. The belt 39c, 39c and the tapping transfer belt 42c, 42c are nipped and transferred.
[0026]
The transfer end portion of the leaf portion transfer device 35 is configured to be supported and rotated by the upper side of the transmission mechanism 41 a built in the upper support case 41. The leaf portion transfer device 35 is provided in parallel with a predetermined interval in a side view on the upper side of the tapping transfer device 34, and the transfer start end portion is positioned behind the transfer start end portion of the tapping transfer device 34 by a predetermined distance. The leaf portion transfer belt 43c is stretched over front and rear pulleys 43a and 43b which are rotatably supported at the front and rear end portions, and the carrots between the leaf portion transfer belts 43c and 43c on the left and right sides in plan view. (B) A configuration in which the leaf portion is sandwiched. At the beginning of the takeover, the leaf part of the carrot (I) is sandwiched between the three parts of the neck transfer belts 39c, 39c, the tapping transfer belts 42c, 42c and the leaf transfer belts 43c, 43c. From the rear end to the rear, it is sandwiched by both the tapping transfer belts 42c and 42c and the leaf transfer belts 43c and 43c, and is cut by the leaf cutting device 12 from the rear of the leaf cutting device 12 described later. Only the cut leaves can be transferred, and the cut leaves can be discharged from the transfer terminal portions of both the tapping transfer device 34 and the leaf portion transfer device 35 to the field.
[0027]
In the leaf cutting device 12, a cutting blade 55a that rotates in a horizontal plane is attached to the shaft end portion of the rotating shaft 55 provided so as to protrude vertically downward from the upper transmission case 38. It is provided in the vicinity of the transmission case 17 at the 26 position and is also brought close to the transfer terminal portion of the neck aligning transfer device 33. The cutting blade 55a is positioned below the tapping transfer device 33 below the tapping transfer device 34, and the cutting blade 55a causes the carrot by both the tapping transfer device 34 and the leaf portion transfer device 35. (A) A predetermined position of the leaf part of the carrot (a) that is transported while pinching the leaf part can be cut.
[0028]
As shown in FIG. 1, an auxiliary chassis 49 is provided at the rear part of the vehicle body 7. On the upper side of the auxiliary chassis 49, a storage box 15 for temporarily storing harvested carrots and a leaf for temporarily storing cut cut leaves are temporarily stored. A storage box can be placed.
[0029]
Features relating to the rotating brush means and the straight root cutter means of the carrot harvester of the present invention will be described with reference to FIGS. 4 is a side view of the vicinity of the rotating brush 46 and the straight root cutter 47, FIG. 5 is a developed sectional view taken along line AA in FIG. 4, and FIG. 6 is a sectional view of a rotating brush according to a modification of this embodiment. FIG.
[0030]
As shown in FIGS. 1, 4 and 5, side plates 46e, 46e are attached to the receiving plates 19a, 19a in front of the neck aligning transfer device 33 below the intermediate portion of the pulling and conveying device 28. A rotating brush 46, a straight root cutter 47, and a root guide guide 48 are installed on 46e, 46e.
[0031]
The rotating brush 46 has brush bristles 46b implanted on the outer periphery of a cylindrical boss 46a to form an envelope shape of the outer periphery of the brush in a substantially cylindrical shape. A shaft 46c is attached to the center of the boss 46a. The bearings 46d and 46d fixed to the plates 46e and 46e are rotatably supported. The shaft 46c is perpendicular to the horizontal direction and the transfer direction of the drawing / conveying device 28 (the direction of arrow B in FIG. 4).
[0032]
The straight root cutter 47 is in the vicinity of the above-described rotary brush 46 and behind it in the horizontal direction similar to the shaft 46c of the rotary brush 46 and in the transfer direction of the drawing and conveying device 28 (in the direction of arrow B in FIG. 4). A rotating arm 47b having a plurality of arms (three in FIG. 1 and FIG. 4) is attached to a shaft 47a that is perpendicular to each other, and the cutting edge is parallel to the shaft 47a at the tip of each rotating arm 47b. The shaft 47a is rotatably supported by bearings 47d and 47d fixed to the side plates 46e and 46e.
[0033]
The root guide guide 48 is provided inside the receiving plates 19a, 19a so as to sandwich the straight root cutter 47. The guide plate 48a is a semicircular ring that protrudes upward in a side view, and forms a conical surface with the shaft 47a of the straight root cutter 47 as a central axis in a plan view, and faces the conical surfaces of the two guide plates 48a and 48a. In addition, a valley-shaped guide surface is formed, and the lateral direction of the stem portion of the root vegetable that has been transferred is regulated and positioned by the valley-shaped guide surface of the root guide guide 48.
[0034]
The tie rods 48b and 48b and the spacers 48c and 48c are fixed below the both ends of the guide plates 48a and 48a in the front-rear direction to fix the root guide guide 48 and position it in the plan view direction. The tie rods 48b and 48b are supported by side plates 46e and 46e, and the front tie rods 48b are rotatably supported at rotation centers 48f and 48f on the side plates 46e and 46e. Male screws are provided at both ends of the rear tie rod 48b to provide knob bolts 48d and 48d for adjustment, and both ends of the tie rod 48b are loosely fitted into vertical slots 46f and 46f provided in the side plates 46e and 46e. The adjustment nuts 48e and 48e are screwed onto the male threads of the protrusions. By screwing the adjusting nuts 48e and 48e, the rear tie rod 48b is hung on the side plates 46e and 46e, and the root guide guide 48 is positioned in the vertical direction. If the adjustment nuts 48e, 48e are loosened and the rear tie rod 48b is moved up and down, the root guide guide 48 can be adjusted to any position in the vertical direction within the range of the long hole 46f.
[0035]
The power of the engine 11 is transmitted from the drive pulley 11d attached to the transmission shaft 11c to the driven pulley 17c via the drive belt 11e, and rotates the rotating shaft 17b that attaches the driven pulley 17c. The rotary shaft 17b drives the pulling device 4, the digging device 5, the root vegetable transfer device 6 and the like, and also drives the rotary brush 46 and the straight root cutter 47. That is, the belt 17e hung on the transmission pulley 17d attached to the rotating shaft 17b drives the pulley 17f attached to the shaft 17g rotatably supported by the bearing 17h, and the sprocket gear 17k attached to the shaft 17g. The sprocket chain 17l and the sprocket gear 17m are driven. Since the sprocket gear 17m is attached to the shaft 46c of the rotating brush 46, the rotating brush 46 rotates in the direction of arrow C in FIG.
[0036]
A gear 17i is attached to the shaft 17g, and the gear 17i is engaged with a gear 17j that is attached to the shaft 47a of the straight root cutter 47 to transmit the rotation, so that the straight root cutter 47 is in a direction opposite to the rotating brush 46. It rotates in the direction of arrow D in FIG. 4 in the same direction as the direction of transporting root vegetables.
[0037]
The operation of the above configuration will be described next.
Carrot (I) which is raised by the pulling device 4 as the root vegetable harvesting machine 1 travels forward, is dug by the digging device 5, and the leaf portion is pinched by the pulling and holding belts 28a and 28a of the root vegetable transporting device 6. Is conveyed backward while rising in the direction of arrow B in FIG. The root of the carrot (I) is removed from mud and the like that comes into contact with the bristles 46b of the rotating brush 46 rotating in the direction of arrow C. Since the B direction in which the carrot (I) travels and the C direction in which the brush bristles 46b rotate are more effective, removal of mud and cleaning are performed more effectively. The carrot (I) from which the mud has been removed is accurately guided by the root guide guide 48 and cuts the root (carrot tail) by the straight root cutter 47. The straight root cutter 47 is shown in FIG. Since it rotates in the D direction, the root can be cut stably and properly without giving a strong impact to the carrot (A) traveling in the arrow B direction. The length and shape of the straight root vary depending on the carrot (I) varieties, harvest time, and growth situation, but by loosening the adjustment nut 48e of the adjustment knob bolt 48d and adjusting the height of the straight root cutter 47 up and down, It is possible to stably cut at an appropriate position.
[0038]
Further, the outer peripheral shape of the brush bristles 46b implanted in the bosses 46a of the rotating brush 46 is not the substantially cylindrical shape described above, but as shown in the sectional view of the rotating brush in FIG. If it is configured to have a V-shaped or U-shaped recess, the surface area of contact of the brush hair 46b with the root part of the root vegetable (I) will increase, and it will contact not only the lower part of the root vegetable (I) but also the upper part of the root part. And can effectively remove mud.
[0039]
The example of the root vegetable harvesting machine shown in the side view of FIG. 7 is a conventional root vegetable harvesting machine in the case of taking over from the pulling and conveying device 28 of the root vegetable conveying device 6 to the tapping conveying device 34 and the leaf portion conveying device 35. In order to solve the problem, the posture of the root vegetables to be transported is disturbed, and the posture of the root part is inclined, so that the cut surface of the stems and leaves is inclined to reduce the commercial value of the harvested root vegetables. is there.
[0040]
The carrot (I) vegetated in the field is caused by the pulling lug 22b of the pulling device 4 as the root vegetable harvesting machine 1 travels forward, and is dug up by the soiler 27b of the excavating device 5 and pulled out by the root vegetable transfer device 6. The leaf portion is sandwiched between the pulling and sandwiching belts 28a and 28a of the device 28, and as shown in FIG. The transfer speed of the drawing / clamping belt 28a is V1 indicated by a vector arrow. The leaf portion of the carrot (a) is first sandwiched between the necking transport belts 39c and 39c of the neck transporting device 33 and transported in the direction of arrow E while being sandwiched between the pulling and gripping belts 28a and 28a of the pulling and transporting device 28. However, the neck of the carrot (I) is aligned with the lower ends of the neck alignment transfer belts 39c, 39c, and is then sandwiched between the tapping transfer belts 42c, 42c of the tapping transfer device 34 and transferred in the direction of arrow F. It is clamped by the leaf portion transfer belts 43c, 43c of the leaf portion transfer device 35 and transferred in the direction of arrow G.
[0041]
In the conventional example, any of the transfer speed of the pulling and holding belt 28a of the pulling and conveying apparatus 28, the transfer speed of the tapping transfer belt 42c of the tapping transfer apparatus 34, and the transfer speed of the leaf transfer belt 43c of the leaf transfer apparatus 35 Were set to the same speed V1. Thus, since V1 = V2 in the past, V1x <V2, and when the carrot (i) is handed over from the pulling and holding belt 28a of the pulling and conveying device 28 to the tapping transfer belt 42c, the transfer speed is increased. The disruption of the sandwiched state of the leaf part and the inclination of the posture of the trunk part occurred, and as a result, the stem and leaf cutting surface of the leaf cutting device 12 was inclined.
[0042]
However, in the configuration shown in FIG. 7, the transfer speed V1 of the pulling and holding belt 28a of the pulling and conveying apparatus 28 is set to be higher than the transfer speed V2 of the tapping transfer belt 42c, and the transfer speed V1 of the pulling and holding belt 28a is the speed in the x direction. The relationship between V1x and the transfer speed V2
V1x ≧ V2
Each transfer speed is set so that Thus, when the carrot (I) is handed over from the pulling / clamping belt 28a to the tapping transfer belt 42c, the transfer speed is the same or at least does not increase, and there is no deviation in the takeover timing. As a result, the stem and leaf cut surface of the leaf cutting device 12 can be stably maintained in a normal state without causing the inclination of the head posture, and the commercial value of the harvested carrot (I) is improved.
[0043]
8 to 11 show modified examples of the root vegetable harvesting machine. 8 is a side cross-sectional view of the end portion of the pulling and conveying apparatus 28, FIG. 9 is a top view taken along the line H-H in FIG. 8, and FIG. 10 is a modified example of FIG. FIG. 11 is a side sectional view of the tapping transfer device 34 of the machine, and FIG. 11 is a top view taken along the line I-I in FIG.
[0044]
According to this example, the leaf portion of the root vegetable is caught and clogged in the vicinity of the drive pulley 28b at the end portion of the pulling and conveying device 28 of the root vegetable harvesting machine, and the posture of the root vegetable is disturbed by inhibiting the conveyance of the subsequent root vegetable. In addition, the leaf portion of the root vegetable is caught and clogged in the vicinity of the drive pulley 42b of the tapping transfer device 34 of the root vegetable harvesting machine 34, and the conveyance of the subsequent leaf portion is hindered and the leaf portion is not discharged. Such a situation can be prevented.
[0045]
8 and 9, the pulling and conveying device 28 of the root vegetable harvesting machine hangs a pulling and holding belt 28a made of an endless belt between an upper pulley 28b on the driving side and a lower pulley 28c (not shown). 28a is a configuration in which a pair of belts 28a, 28a are sandwiched between a pair of left and right belts, and a plurality of tension rollers 28d, 28d are provided to maintain a gap between the pair of belts and to provide a clamping force. ... are arranged.
[0046]
In this example, when the leaf portion of the carrot (I) nipped and conveyed at the terminal end of the pulling and conveying device 28 is handed over to the subsequent tapping transfer device 34, the pulling and holding belt 28a contacts the upper pulley 28b. Attention is paid to the fact that leaves or the like are easily caught in the space between the belt 28a and the pulley 28b, and a wrap-around prevention cover 28e that covers the upper end surfaces of the belt 28a and the pulley 28b in the vicinity of the space is provided. .
[0047]
Further, the tapping transfer device 34 of the root vegetable harvesting machine of the modified example shown in FIGS. 10 and 11 hangs a tapping transfer belt 42c formed of an endless belt between the front pulley 42a and the drive-side rear pulley 42b, The tapping transfer belt 42c is arranged in a pair on the left and right sides, and the leaf portion of the carrot (I) is sandwiched between the pair of belts 42c, 42c, and the gap between the pair of belts is maintained and a clamping force is applied. For this purpose, a large number of tension rollers 42d, 42d,.
[0048]
In the example shown in FIGS. 10 and 11, when the leaf portion of the carrot (I) that has been nipped and transferred at the end portion of the tapping transfer device 34 is released, the tapping transfer belt 42 c comes into contact with the rear pulley 42 b. Focusing on the fact that leafs and the like are easily caught in the space between the belt 42c and the pulley 42b, a structure 42e for preventing the winding is provided to cover the belt 42c and the upper end surface of the pulley 42b in the vicinity of the space.
[0049]
In the example shown in FIGS. 8 to 11, since the wrapping prevention cover that covers the belts and the upper end surfaces of the pulleys at the end portions of the pulling and conveying device 28 and the tapping transport device 34 is provided, no entanglement of the foliage occurs. Therefore, the posture of the carrot (I) to be cut is stabilized, and cutting performance, conveyance performance and work efficiency are improved.
[0050]
FIG. 12 and FIG. 13 show another modified example in the vicinity of the drawing / conveying device 28 and the tapping transfer device 34. This is a configuration for performing neck alignment before cutting the root parts of root vegetables with a simple configuration without providing a neck alignment transfer device including a drive mechanism, a pulley, a belt, and the like. FIG. FIG. 13 is a partial cross-sectional side view of the drawing conveying device 28, the tapping transfer device 34, and the leaf cutting device 12 in the vicinity, and FIG. 13 is a top view of the neck alignment guide.
[0051]
As shown in FIGS. 12 and 13, the neck alignment guide 50 is composed of a pair of elongated flat plate-shaped guide plates 50 a and 50 a made of a flexible metal plate or a synthetic resin plate in the longitudinal direction of the root vegetable harvester. In the front-rear direction, a narrow gap in plan view is provided and aligned in parallel, the front end in side view is parallel to the lower part of the middle part of the pulling and conveying device 28, and the tapping transfer device 34 is in front of the leaf cutting device 12 at the rear end. The guide plate 50a is formed in a gently curved shape from the front end portion to the rear end portion. The front end of each guide plate 50a, 50a is supported on the frame of the drawing / conveying device 28 by a pin 50b, a bracket 50c with a long hole is provided near the rear end, an adjustment bolt 50d is inserted, and one of the transmission cases 38 is inserted. Fastened to the part in an adjustable manner.
[0052]
According to this example, the carrot (I) is sandwiched between the pulling and holding belts 28a and 28a of the pulling and conveying device 28, conveyed in the direction of arrow B in FIG. 12, and when the carrots (a) reach the leading ends of the guide plates 50a and 50a, B) The leaf portion is inserted into the parallel gap between the guide plates 50a and 50a, and is further conveyed in the direction of arrow B while being pinched by the pulling and holding belts 28a and 28a. The shoulder part of (a) contacts the lower surface of the guide plates 50a, 50a to receive a guiding action, and the leaf part of the carrot (a) is held by the pulling and holding belts 28a, 28a, while the shoulder part of the carrot (a) Is transferred along the lower surface of the guide plate 50a.
[0053]
The positions of the lower surfaces of the terminal portions of the guide plates 50a and 50a can be adjusted to an appropriate position with respect to the leaf cutting device 12 by the elongated holes of the bracket 50c and the adjusting bolt 50d, and the adjusting bolt 50d can be adjusted to the terminal portion of the guide plate 50a. The position adjustment is extremely easy, and the leaf cutting device 12 can cut the leaf portion of the carrot (I) at an appropriate location. It can be carried out.
[0054]
The root crop harvester shown in FIGS. 14 to 16 can facilitate the storage operation of the harvest storage container at the rear of the cockpit even at night.
FIG. 14 is a perspective view of a root vegetable harvester, FIG. 15 is a top view of the root vegetable harvester, and FIG. 16 is a perspective view showing a work light of the root vegetable harvester.
[0055]
In this example, as shown in FIGS. 14 to 16, a work light 51 is installed behind the cockpit 10 of the root vegetable harvesting machine 1 and on the side of the fuel tank 11f. The work lamp 51 includes an illumination lamp 51a having appropriate illuminance and an extendable stem 51b. The lower portion of the stem 51b is attached to the root vegetable harvester 1 by a lower rotary joint 51c, and the upper portion of the stem 51b is an upper rotary joint 51d. Thus, the illumination lamp 51a is supported.
[0056]
According to this example, when the work light 51 is not used, the work light 51 is stored at the position indicated by the reference line in FIG. 14 and FIG. When used for illumination, the stem 51b is pulled out in the direction of the arrow J and expanded and contracted in the direction of the arrow M, and the illumination lamp 51a is horizontally rotated in the direction that requires illumination as indicated by the arrow K. It rotates up and down like L, and illuminates the illumination range shown by the reference line of FIG.
[0057]
Therefore, when lighting is not required, such as during daytime, even during non-harvesting work and during harvesting operations such as during the running operation of the root vegetable harvesting machine 1, the work light 51 is accommodated so that other work is not hindered. When lighting such as night work is necessary, the rear and side of the cockpit, which was not illuminated in the past, can be illuminated in a wide range, and harvesting work using a root vegetable harvester such as container storage work of harvested crops can be performed very efficiently. be able to. Note that a dedicated switch can be provided in the operating device 9 for blinking the work lamp 51 described above, but the blinking changeover switch of the headlamp 10a that has been conventionally installed is a high-position, low-beam, and extinguished third-position changeover switch. For example, if wiring is performed such that the work light 51 is turned on with a high beam, the headlight 10a is turned on with a low beam, and is turned off with a light beam off, the work light 51 and the headlight can be connected with only one existing switch. The flashing operation of the lamp 10a can be performed, and effects such as saving of electrical components such as a switch and a relay, and reducing the capacity of the generator and the condenser by preventing the work lamp 51 and the headlamp 10a from being turned on simultaneously can be obtained. It is done.
[0058]
17 and 18 show a configuration for facilitating the steering operation of an operator who has boarded the cockpit 10. FIG. 17 is an overhead view of the operating device 9, and FIG. 18 is a top view of a digging lock switch provided in the operating device 9.
[0059]
As shown in FIG. 17, the main operation panel 52 of the control device 9 is arranged on the left front side of the control device 9, and the main operation panel 52 has a digging automatic control switch 52a, a digging height adjustment dial 52b, a digging up and down direction. Operation switches and adjustment dials necessary for excavation control during harvesting work such as the switch 52c are installed.
[0060]
That is, as shown in the top view of the root vegetable harvester 1 in FIG. 3, at the front left end of the root vegetable harvester 1, the weeding tool 23, the pulling cases 21 and 22 of the pulling device 4, the pulling Since the lug 22b, the excavating device 5 and the like are arranged, the operator seated on the cockpit 10 often watches the left front during the harvesting operation.
[0061]
A main operation panel 52 of the control device 9 shown in FIGS. 17 and 18 is arranged on the left front side of the control device 9, and the main operation panel 52 includes a digging automatic control switch 52a, a digging height adjustment dial 52b, and a digging. Since the operation switch and adjustment dial necessary for excavation control, such as the up / down switch 52c, are installed, even if the operator is gazing at the left front tip of the root vegetable harvester 1 during the harvesting operation, the operator's field of view Since the main operation panel 52 enters and the operations necessary for the excavation control can be easily performed, the operability of the root vegetable harvesting machine 1 can be improved.
[0062]
As shown in FIGS. 17 and 18, the excavation lock switch 53 is provided in the operating device 9 so that the excavation lock switch 53 can be set to the lock side during non-digging work such as during transportation. In the set state, the electric circuit of the electromagnetic hydraulic control valve (not shown) is cut to hold the upper and lower cylinders 26a (FIGS. 1 and 2) in the raised state. Even if the take-up / down switch 52c is operated, the excavating device 5 or the like does not descend.
[Brief description of the drawings]
FIG. 1 shows a partially cutaway side view of a root vegetable harvester (working state) according to an embodiment of the present invention.
2 shows a side view of the root vegetable harvester (non-working state) of FIG. 1. FIG.
FIG. 3 shows a top view of the root vegetable harvester of FIG. 1;
4 is a side view of the vicinity of a rotating brush and a straight root cutter of the root vegetable harvesting machine of FIG. 1. FIG.
5 is a developed cross-sectional view taken along line AA in FIG.
6 is a cross-sectional view of a rotating brush of the root vegetable harvesting machine of FIG. 1. FIG.
FIG. 7 is a side view of the harvester for root vegetables according to the embodiment of the present invention.
8 is a side cross-sectional view of the vicinity of a terminal portion of the drawing and conveying apparatus of the root vegetable harvesting machine of FIG.
FIG. 9 is a top view taken along line HH in FIG. 8;
10 is a side cross-sectional view of a tapping transfer device of a modification of the root vegetable harvester of FIG.
11 is a top view taken along the line I-I in FIG.
12 is a partial cross-sectional side view of the vicinity of a drawing conveyance device, a tapping transfer device, and a leaf cutting device of another modified example of the root vegetable harvesting machine of FIG. 7. FIG.
13 is a top view of a neck alignment guide of another modification of the root vegetable harvesting machine of FIG. 7. FIG.
FIG. 14 is a perspective view of a harvester for root vegetables according to an embodiment of the present invention.
15 is a top view of the root vegetable harvester of FIG. 14. FIG.
16 is a perspective view of a work lamp of the root vegetable harvester shown in FIG. 14. FIG.
FIG. 17 is an overhead view of the operating device of the root vegetable harvesting machine according to the embodiment of the present invention.
18 is a top view of a digging lock switch provided in the operating device of the root crop harvesting machine of FIG. 17. FIG.
[Explanation of symbols]
1 Harvester for root vegetables 2 Traveling vehicle
3 Working device for harvesting 4 Pulling device
5 Digging device 6 Root vegetable conveying device
7 Body 8 Crawler
9 Operating device 9a Travel lever
9b Combination meter 9c Combination switch
10 Pilot seat 10a Headlight
11 prime mover (engine) 11a traveling case
11b Transmission mechanism 11c Transmission shaft
11d Drive pulley 11e Drive belt
11f Fuel tank 12 Leaf cutting device
13 First transfer conveyor 14 Second transfer conveyor
15 Storage box 16 Support plate
16a Front support plate 16b Support rod
16c L-shaped rotating plate 16d Support rod
17 Transmission case 17a Transmission mechanism
17b Rotating shaft 17c Driven pulley
17d Transmission pulley 17e Belt
17f pulley 17g shaft
17h Bearing 17i Gear
17j gear 17k sprocket gear
17l sprocket chain 17m sprocket gear
18 Support plate 19a Receptacle plate
19b Mounting plate 19c Auxiliary receiving plate
20a upper receiving 20b lower receiving
20c Transmission mechanism 21, 22 Pulling case
22a Pulling chain 22b Pulling lug
23 Weeding tool 24 Unevenness sensor
25a Support plate 25b Ground plate
25c Potentiometer 25d Connecting rod
26 Vertical rotation center 26a Vertical cylinder
27 Soiler 27a Support rod
27b Excavation plate 28 Pull-out conveying device
28a, 28a Pulling and clamping belt 28b, 28c Upper / lower pulleys
28d Tension roller 28e Covering prevention cover
29 Connecting plate 30 Transmission case
30a Transmission mechanism 31 Support rod
31a Transmission mechanism 32 Transmission case
32a Transmission mechanism 33 Neck alignment transfer device
34 Tapping transfer device 35 Leaf transfer device
37 Lower support case 37a Transmission mechanism
38 Upper transmission case 38a Transmission mechanism
39 Support plate 39a, 39b Front / rear pulley
39c, 39c Neck transfer belt 39d Spring plate
40 Support plate 40a, 40a Tension roller
40b, 40b Support pin 41 Upper support case
41a Transmission mechanism 42a, 42b Front / rear pulley
42c, 42c Tapping transfer belt
42d Tension roller 42e Roll-in prevention cover
43a, 43b Front / rear pulley 43c, 43c Leaf transfer belt
44 Tension roller 45 Connecting plate
45a Connecting bolt 46 Rotating brush
46a boss 46b brush hair
46c shaft 46d bearing
46e Side plate 46f Long hole
47 straight root cutter 47a shaft
47b Rotating arm 47c Cutter blade
47d Bearing 48 Root guide
48a Guide plate 48b Tie rod
48c Spacer 48d Adjustment knob bolt
48e Adjustment nut 48f Center of rotation
49 Auxiliary chassis 50 Neck alignment guide
50a Guide plate 50b Pin
50c Bracket with slot 50d Adjustment bolt
51 Work light 51a Illumination lamp
51b Stem 51c Lower rotary joint
51d Upper rotary joint 52 Main operation panel
52a digging automatic control switch 52b digging height adjustment dial
52c digging up / down switch 53 digging lock switch
55 Rotating shaft 55a Cutting blade

Claims

A root vegetable conveying device (6) for nipping and pulling root vegetable stems and leaves, a rear vegetable vegetable conveying device (6), a tapping transfer device (34) for taking over and conveying the root vegetables conveyed by the root vegetable conveying device (6), and a tapping transfer the device (34) leaves the cutting device for separating into a root and foliage of root crops to be conveyed (12) and the root crop harvester having,
Cutting the root root of the root vegetable after passing through the rotating brush means (46) and the rotating brush means ( 46b) having brush hairs (46b) for removing root vegetables from the root vegetable transport device (6). And cutter means (47) for sequentially providing
The rotating brush means (46) has its rotating shaft (46a) arranged in a direction perpendicular to the nipping and conveying direction of the root vegetable conveying device (6), and the central portion of the brush hair (46b) in the rotating shaft (46a) direction. The brush hair (46b) is rotated in the direction opposite to the rotation direction of the cutter means (47) and the root vegetable transport direction of the root vegetable transport device (6),
The cutter means (47) is a root crop harvesting machine characterized in that the height of the cutter means (47) can be adjusted .