JP3998866B2

JP3998866B2 - Fertilizer

Info

Publication number: JP3998866B2
Application number: JP19515799A
Authority: JP
Inventors: 裕一竹田; 雄一小川
Original assignee: Yanma Agricultural Equipment Co Ltd
Current assignee: Yanma Agricultural Equipment Co Ltd
Priority date: 1999-07-09
Filing date: 1999-07-09
Publication date: 2007-10-31
Anticipated expiration: 2019-07-09
Also published as: JP2001016934A

Description

【０００１】
【発明の属する技術分野】
本発明は苗載台及び植付爪を備えて連続的に苗植作業を行うと共に、植付条の側方に施肥を行う田植機などの施肥装置に関する。
【０００２】
【発明が解決しようとする課題】
従来、施肥ホッパ内の肥料を送風機の空気送給管からの送風によって搬送して施肥を行う技術がある。前記従来技術は、施肥ホッパ上面の蓋を開放して肥料袋の肥料を投入しているから、作業者が肥料袋を持上げる必要があり、またホッパ外側に肥料が飛散したり、雨天作業時に雨水がホッパ内に入る不具合があり、肥料補給作業の省力化並びに肥料補給作業性の向上などを容易に図り得ない等の問題がある。
【０００３】
【課題を解決するための手段】
請求項１に係る発明は、肥料を入れる施肥ホッパと、施肥ホッパから肥料を繰出す肥料繰出部と、送風機及びエアタンクとを備え、前記送風機及び前記エアタンクからの送風によって前記肥料繰出部から繰出された肥料を搬送させるように構成してなる施肥装置において、前記施肥ホッパに一端側を接続する吸引ホースと、前記エアタンク一側の施肥作業位置または前記施肥ホッパ上面の肥料補給位置に前記送風機を移動可能に支持させる平行リンクとを備え、前記送風機の吸込口に連通する接続口を、前記施肥ホッパの上面側に形成し、前記平行リンクに支持した前記送風機を前記施肥ホッパの上面側に移動させて、前記送風機によって前記接続口から前記施肥ホッパ内の空気を吸取ることによって、肥料袋内の肥料を前記吸引ホースを介して前記施肥ホッパ内に吸込ませるように構成したから、作業者が肥料袋を持上げて施肥ホッパに肥料を投入する必要がなく、また補給する肥料が施肥ホッパ外部に飛散する不具合、並びに雨天作業時に施肥ホッパ内部に雨水が入る不具合などをなくし、肥料補給作業の省力化並びに肥料補給作業性の向上などを図れるものである。
【０００４】
【０００５】
【０００６】
【０００７】
【発明の実施の形態】
以下、本発明の実施例を図面に基づいて詳述する。図１は乗用田植機の側面図、図２は同平面図を示し、図中（１）は作業者が搭乗する走行車であり、エンジン（２）を車体フレーム（３）前部上方に搭載させ、ミッションケース（４）前方にフロントアクスルケース（５）を介して水田走行用前輪（６）を支持させると共に、前記ミッションケース（４）の後部にリヤアクスルケース（７）を連設し、前記リヤアクスルケース（７）に水田走行用後輪（８）を支持させる。そして前記エンジン（２）等を覆うボンネット（９）両側に予備苗載台（１０）を取付けると共に、足掛台（１１）を介して作業者が搭乗するステップである車体カバー（１２）によって前記ミッションケース（４）等を覆い、前記車体カバー（１２）上部に運転席（１３）を取付け、その運転席（１３）の前方で前記ボンネット（９）後部に操向ハンドル（１４）を設ける。
【０００８】
また、図中（１５）は６条植え用の苗載台（１６）並びに複数の植付爪（１７）などを具備する植付部であり、前高後低の合成樹脂製の前傾式苗載台（１６）を下部レール（１８）及びガイドレール（１９）を介して植付ケース（２０）に左右往復摺動自在に支持させると共に、一方向に等速回転させるロータリケース（２１）を前記植付ケース（２０）に支持させ、該ケース（２１）の回転軸芯を中心に対称位置に一対の爪ケース（２２）（２２）を配設し、その爪ケース（２２）（２２）先端に植付爪（１７）（１７）を取付ける。また前記植付ケース（２０）の前側にローリング支点軸（２３）を介して支持フレーム（２４）を設け、トップリンク（２５）及びロワーリンク（２６）を含むリンク機構（２７）を介して走行車（１）後側に支持フレーム（２４）を連結させ、前記リンク機構（２７）を介して植付部（１５）を昇降させる昇降シリンダ（２８）をロワーリンク（２６）に連結させ、前記前後輪（６）（８）を走行駆動して移動すると同時に、左右に往復摺動させる苗載台（１６）から一株分の苗を植付爪（１７）によって取出し、連続的に苗植え作業を行うように構成する。
【０００９】
また、図中（２９）は主変速レバー、（３０）は植付昇降兼作業走行変速用副変速レバー、（３１）は植付け感度設定器、（３２）は主クラッチペダル、（３３）（３３）は左右ブレーキペダル、（３４）は２条分均平用センターフロート、（３５）は２条分均平用サイドフロート、（３６）は６条用の施肥機である。
【００１０】
さらに、図３、図４、図５、図６に示す如く、肥料を入れる施肥ホッパ（３７）と、肥料を定量供給する肥料繰出部である肥料繰出ケース（３８）と、フロート（３４）（３５）の側条作溝器（３９）にフレキシブルパイプ製搬送ホース（４０）を介して肥料を排出させるターボブロワー型送風機（４１）と、中空パイプ形の肥料搬送空気送給用エアタンク（４２）とを、前記施肥部（３６）に備えると共に、肥料繰出ケース（３８）前側にエアタンク（４２）を取付け、６条分６組の肥料繰出ケース（３８）…にエアタンク（４２）を接続させている。
【００１１】
また、前記車体フレーム（３）後端の左右支柱（４３）上端間に横架する水平フレーム（４４）両側に左右ベースフレーム（４５）（４５）を取付け、前後方向に略水平に横架させる前記ベースフレーム（４５）を介して施肥部（３６）を設けると共に、ベースフレーム（４５）後端部と車体フレーム（３）間にサイドステー（４６）を連結させ、左右ベースフレーム（４５）（４５）に縦フレーム（４７）を立設させて中央の受板（４８）と左右の受板（４９）を支持させるもので、中央及び左右受板（４８）（４９）の上部前側を丸パイプ形の前フレーム（５０）で、また上部後側を四角パイプ形の後フレーム（５１）で一体固定させて、前後フレーム（５０）（５１）に６組の繰出ケース（３８）を固定支持させる。
【００１２】
さらに、前記繰出ケース（３８）の上面前側の取入口（５２）に前記ホッパ（３７）の下部出口（５３）を嵌着させると共に、前記繰出ケース（３８）前面下側に取出口（５４）を形成し、着脱自在なキャップ（５５）によって取出口（５４）を閉塞している。
【００１３】
また、前記繰出ケース（３８）下面に底蓋（５６）を着脱自在に固定させると共に、硬質合成樹脂製の前記底蓋（５６）下面に出口（５７）を形成するもので、前記エアタンク（４２）に前端部を嵌着させる軟質合成樹脂製の接合パイプ（５８）を備え、該パイプ（５８）後端に硬質合成樹脂製のホースジョイント（５９）前端を着脱自在に嵌着させると共に、前記ジョイント（５９）後端に前記搬送ホース（４０）を嵌着させ、前記送風機（４１）の送風をエアタンク（４２）からホースジョイント（５９）及びホース（４０）に吹出させ、底蓋（５６）の出口（５７）からジョイント（５９）中間に落下する肥料を搬送ホース（４０）に移動させるもので、Ｔ字形フランジを形成する前記ジョイント（５９）中間に入口（６０）を上向き開放に形成し、底蓋（５６）の出口（５７）に嵌合キャップ（６１）を固定させ、該キャップ（６１）を前記入口（６０）の外壁に着脱自在に嵌着させ、出口（５７）を入口（６０）に接続させている。
【００１４】
また、硬質樹脂ローラ（６３ａ）の外周にスポンジ状可撓性軟質ローラ（６３ｂ）を二重構造に設けた二組のローラ（６３ａ）（６３ｂ）を前記取入口（５２）に回転自在に軸支させ、回転速度及び回転方向を異ならせて二組のローラ（６３ａ）（６３ｂ）を回転駆動し、二組のローラ（６３ａ）（６３ｂ）間に施肥ホッパ（３７）からの肥料を通過させ、複数の粒が接着した肥料塊を分粒させるもので、二重構造のローラ（６３ａ）（６３ｂ）の分粒により、肥粒の粒状表面を損傷させることなく分粒でき、ローラ（６３ａ）（６３ｂ）の摩擦によって肥粒が粉砕されるのを防止でき、繰出施肥量を安定させ、かつ肥料詰りを防止できる。
【００１５】
さらに、取入口（６２）を有する入口板（６４）と、同一円周上に略四角形の複数の繰出口（６５）…を有する繰出ロールである繰出板（６６）と、排出口（６７）を有する出口板（６８）を備え、略円形平板製の前記各板（６４）（６６）（６８）を繰出ケース（３８）と底蓋（５６）の間に多層状に配設させると共に、繰出ケース（３８）に繰出軸（６９）を略垂直に回転自在に軸支させ、各板（６４）（６６）（６８）の中央部に繰出軸（６９）下端側を貫通させ、各板（６４）（６６）（６８）を下方に抜出し自在に繰出軸（６９）に支持させ、各板（６４）（６６）（６８）を繰出ケース（３８）と底蓋（５６）間に弾圧させるもので、入口板（６４）と出口板（６８）を繰出ケース（３８）に係止させ、各板（６４）（６８）に対して繰出軸（６９）を遊転させると共に、繰出板（６６）を繰出軸（６９）に係合軸支させ、繰出軸（６９）によって繰出板（６６）を強制的に回転させ、取入口（６２）から繰出口（６５）に入った肥料を排出口（６７）に移動させて出口（５７）方向に落下させるように構成している。また、前記繰出軸（６９）にバネ製掻落し棒（７０）を固定させ、底蓋（５６）及び出口（５７）の肥料を落下させる。
【００１６】
さらに、前記エンジン（２）出力を植付部（１５）に伝達させるＰＴＯ軸（７１）をミッションケース（４）から後方に延出させると共に、前記左支柱（４３）に軸受ケース（７２）を溶接またはボルト止め固定させ、軸受ケース（７２）の入力軸（７３）を前記ＰＴＯ軸（７１）中間にチェン（７４）を介して連動連結させ、軸受ケース（７２）の出力軸（７５）後端部に１対のベベルギヤ（７６）を介して繰出用駆動部材である縦駆動軸（７７）を略垂直に連動連結させている。また、背面視で左側から２組目と３組目の繰出ケース（３８）間に縦駆動軸（７７）上端を臨ませ、前記繰出軸（６９）に１対のベベルギヤ（７８）を介し連動連結する左右方向に長手状の繰出入力軸（７９）に、前記縦駆動軸（７７）の上端を１対のベベルギヤ（８０）を介して連動連結させる。そして、前記ＰＴＯ軸（７１）の回転によって入力軸（７９）を介して繰出軸（６９）を回転させて肥料の繰出しを行うように構成している。また、前記縦駆動軸（７７）の中間に無段変速機構であるリングコーン無段変速機（８１）を介設させ、前記繰出軸（６９）の回転を無段変速させ、繰出ケース（３８）から繰出される肥料の繰出量を調節するように構成している。
【００１７】
さらに、図２、図４、図５、図６、図８、図９に示す如く、送風ファンケース（８２）に電動送風モータ（８３）を取付けて前記送風機（４１）を構成すると共に、下向き開口させる四角形の吸込口（８４）と、前記エアタンク（４２）一端に接続させる円形吐出口（８５）を送風ファンケース（８２）に形成し、右受板（４９）に接合板（８６）をノブボルト（８７）によって着脱自在に固定させて送風機（４１）をエアタンク（４２）右側に固定させ、エアタンク（４２）に吐出口（８５）を接続させるもので、支点軸（８８）回りに回転させる平行リンク（８９）に送風機（４１）を取付け、前記エアタンク（４２）右側の施肥作業位置または施肥ホッパ（３７）上面の肥料補給位置に送風機（４１）を移動自在に二組の前後平行リンク（８９）によって支持させる。
【００１８】
また、前記吸込口（８４）の下向き開口と略同一大きさのゴムパッキン製接続口（９０）を施肥タンク（３７）上面に上向き開口させ、接続口（９０）を開閉自在な蓋（９１）で閉塞すると共に、伸縮及び折曲げ自在な吸引ホース（９２）の一端側を施肥タンク（３７）上面に接続固定させ、吸引ホース（９２）の他端を着脱自在なキャップ（９３）で閉塞している。
【００１９】
そして、図５、図８に示す如く、前記送風機（４１）をエアタンク（４２）右側にノブボルト（８７）によって固定させ、送風機（４１）からエアタンク（４２）に空気を送給させ、肥料繰出ケース（３８）から繰出される肥料をエアタンク（４２）からの空気によって搬送ホース（４０）を介して植付け田面に搬送し、側条施肥を行う。また、図６、図９に示す如く、前記ノブボルト（８７）を外して平行リンク（８９）を上方に回動させ、送風機（４１）を施肥ホッパ（３７）上方に持上げて吸込口（８４）を接続口（９０）に連通させ、送風機（４１）によって施肥ホッパ（３７）内の空気を吸取って該ホッパ（３７）内部を負圧に保つと共に、車体カバー（１２）上面に置いた肥料袋（９４）内部に、キャップ（９３）を外して伸長させた吸引ホース（９２）先端を突込み、肥料袋（９４）内の粒状肥料を吸引させて施肥ホッパ（３７）内に吸込ませ、施肥ホッパ（３７）に肥料を補給する。また、キャップ（９３）の嵌着によって閉塞した吸引ホース（９２）を縮少させて施肥ホッパ（３７）上面に収納し、施肥作業を行う。
【００２０】
上記から明らかなように、肥料を入れる複数個の施肥ホッパ（３７）と、施肥ホッパ（３７）から肥料を繰出す肥料繰出部である肥料繰出ケース（３８）を備える施肥装置において、前記施肥ホッパ（３７）に肥料を補給する吸込み機構である送風機（４１）と肥料吸引部材である吸引ホース（９２）を設け、作業者が肥料袋（９４）を持上げて施肥ホッパ（３７）に肥料を投入する必要がなく、また補給する肥料が施肥ホッパ（３７）外部に飛散する不具合、並びに雨天作業時に施肥ホッパ（３７）内部に雨水が入る不具合などをなくし、肥料補給作業の省力化並びに肥料補給作業性の向上などを図る。
【００２１】
また、肥料繰出ケース（３８）から繰出された肥料を搬送させる送風機（４１）によって吸込み機構を構成し、前記送風機（４１）を兼用して施肥構造の簡略化及び軽量化並びに製造コストの低減などを図ると共に、施肥ホッパ（３７）上方に送風機（４１）を移動させて送風機（４１）の吸込口（８４）を施肥ホッパ（３７）内部に連通させ、前記送風機（４１）の排気によって施肥ホッパ（３７）内部を負圧にして肥料を吸込ませて補給し、かつ施肥ホッパ（３７）上面に送風機（４１）を移動させる操作だけで下向き開口させる吸込口（８４）を施肥ホッパ（３７）に接続し、肥料補給操作性の向上並びに肥料補給構造の簡略化などを図る。また、肥料吸引部材をホース（９２）によって構成し、前記ホース（９２）の伸長及び折曲げによってホース（９２）を使用位置に取出して施肥ホッパ（３７）に肥料袋（９４）を接続し、かつ前記ホース（９２）の縮少及び先端開口部の閉塞によって非使用位置にホース（９２）を収納し、肥料補給作業の簡略化並びに取扱い操作性の向上などを図る。
【００２２】
さらに、図１０乃至図１４に示す如く、前記ボンネット（９）両側の車体カバー（１２）上面に通路（９５）を形成し、該通路（９５）の外側に苗台支柱（９６）を立設させ、支柱（９６）下端部に横フレーム（９７）を一体固定させて車体フレーム（３）に連結させると共に、前記支柱（９６）の外側に複数の予備苗載台（１０）を上下多段に取付け、機体前部に左右一対の二組の予備苗載台（１０）を取付ける。また、機体右側の苗台支柱（９６）の上端部機内側に予備苗掬い板保管用補助道具ケース（９８）を固定させ、予備苗を入れる掬い板並びに空の予備苗箱などの田植作業に使用する手動農具を前記ケース（９８）に保管すると共に、前記の機体右側の前後２本の苗台支柱（９６）の支軸（９７）に平行リンク形の前後の吊下アーム（９８）上端部を回転自在に軸支させ、肥料袋（９４）を入れる予備肥料台（９９）を前記吊下アーム（９８）下端部にベアリング軸受（１００）を介して回転自在に連結させ、ボンネット（９）右側の通路（９５）上方に予備肥料台（９９）を前後方向に移動自在に取付ける。
【００２３】
さらに、前記予備肥料台（９９）後方の運転席（１３）側から作業者から手で握って後方に引張る引レバー（１０１）と、予備肥料台（９９）前方の車体カバー（１２）前端前方から作業者が手で握って後方に押す押レバー（１０２）を、予備肥料台（９９）下面にレバーガイド（１０３）（１０４）を介して前後方向移動自在に取付けると共に、予備肥料台（９９）下面に支軸（１０５）を介してＬ形リンク（１０６）の中間部を回転自在に軸支させ、リンク（１０６）の一端側に前記レバー（１０１）（１０２）を連結させ、前記リンク（１０６）の他端側にロックピン（１０７）を連結させる。また、前記苗台支柱（９６）にガイドフレーム（１０８）を固定させ、前記ロックピン（１０７）を係脱自在に係入させる前後ロック孔（１０９）（１１０）をガイドフレーム（１０８）に開設させる。
【００２４】
そして、前記ロックピン（１０７）を前ロック孔（１０９）に係入させて予備肥料台（９９）を前方移動させて固定させ、機体前方の畦から予備肥料台（９９）に作業者が肥料袋（９４）を積込むと共に、作業者が運転席（１３）側から予備肥料台（９９）を後方移動させ、ロックピン（１０７）を後ロック孔（１１０）に係入させて予備肥料台（９９）をボンネット（９）後方に移動させて固定させ、予備肥料台（９９）上の肥料袋（９４）を作業者が後方の施肥機（３６）位置に持運び、施肥ホッパ（３７）に肥料を補給する。また、右側の通路（９５）上方にだけ予備肥料台（９９）を設けて左側の通路（９５）から作業者が乗降する構成としたが、左側の通路（９５）上方にも予備肥料台（９９）を設けて機体の左右重量バランスを保つ構成にすることも行えるもので、作業者が重い肥料袋（９４）を持って狭い通路（９５）を歩く必要がなく、予備苗載台（１０）などに肥料袋（９４）を引掛けて袋（９４）が破れる等の不具合をなくすことができ、肥料補給労力の軽減並びに肥料補給作業性向上などを図ることができる。
【００２５】
【発明の効果】
以上実施例から明らかなように本発明は、肥料を入れる施肥ホッパ（３７）と、施肥ホッパ（３７）から肥料を繰出す肥料繰出部（３８）と、送風機及びエアタンク（４２）とを備え、送風機（４１）及びエアタンク（４２）からの送風によって肥料繰出部（３８）から繰出された肥料を搬送させるように構成してなる施肥装置において、施肥ホッパ（３７）に一端側を接続する吸引ホース（９２）と、エアタンク（４２）一側の施肥作業位置または施肥ホッパ（３７）上面の肥料補給位置に送風機（４１）を移動可能に支持させる平行リンク（８９）とを備え、送風機（４１）の吸込口（８４）に連通する接続口（９０）を、施肥ホッパ（３７）の上面側に形成し、平行リンク（８９）に支持した送風機（４１）を施肥ホッパ（３７）の上面側に移動させて、送風機（４１）によって接続口（９０）から施肥ホッパ（３７）内の空気を吸取ることによって、肥料袋（９４）内の肥料を吸引ホース（９２）を介して施肥ホッパ（３７）内に吸込ませるように構成したから、作業者が肥料袋（９４）を持上げて施肥ホッパ（３７）に肥料を投入する必要がなく、また補給する肥料が施肥ホッパ（３７）外部に飛散する不具合、並びに雨天作業時に施肥ホッパ（３７）内部に雨水が入る不具合などをなくし、肥料補給作業の省力化並びに肥料補給作業性の向上などを図れる。
【００２６】
【００２８】
【図面の簡単な説明】
【図１】乗用田植機の全体側面図である。
【図２】乗用田植機の全体平面図である。
【図３】植付部の側面図である。
【図４】施肥部の平面図である。
【図５】施肥部の背面図である。
【図６】図５の作用説明図である。
【図７】施肥部の断面側面図である。
【図８】送風機の側面図である。
【図９】図８の作用説明図である。
【図１０】予備苗載台の正面図である。
【図１１】同拡大図である。
【図１２】同側面図である。
【図１３】同側面拡大図である。
【図１４】同拡大平面図である。
【符号の説明】
（３７）施肥ホッパ
（３８）肥料繰出ケース（肥料繰出部）
（４１）送風機
（４２）エアタンク
（８４）送風機の吸込口
（８９）平行リンク
（９０）接続口
（９２）吸引ホース
（９４）肥料袋 [0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fertilizer application device such as a rice transplanter that includes a seedling stage and a planting claw and continuously performs seedling planting work and fertilizes the side of a planting strip.
[0002]
[Problems to be solved by the invention]
Conventionally, there is a technique for applying fertilizer by conveying fertilizer in a fertilizer hopper by blowing air from an air supply pipe of a blower. In the prior art, the lid on the top of the fertilizer hopper is opened and the fertilizer in the fertilizer bag is put in. Therefore, it is necessary for the operator to lift the fertilizer bag. There is a problem that rainwater enters the hopper, and there is a problem that labor saving of fertilizer supply work and improvement of fertilizer supply workability cannot be easily achieved.
[0003]
[Means for Solving the Problems]
The invention which concerns on Claim 1 is provided with the fertilizer feeding hopper which puts a fertilizer, the fertilizer delivery part which feeds a fertilizer from a fertilizer hopper , a fan and an air tank, and is fed from the said fertilizer feeding part by the ventilation from the said fan and the said air tank. and the Ru fertilizing device name configured so as to transport the manure, and a suction hose connecting one end to the fertilizer hopper, the blower fertilizer supply position fertilization working position or the fertilization hopper upper surface of the air tank one side A connection link communicating with the suction port of the blower is formed on the upper surface side of the fertilizer hopper, and the blower supported by the parallel link is moved to the upper surface side of the fertilizer hopper The fertilizer in the fertilizer bag is passed through the suction hose by sucking the air in the fertilizer hopper from the connection port by the blower. Because was configured to sucked into the fertilizer hopper Te, it is not necessary to the operator turns on the fertilizer fertilization hopper lift fertilizer bag, also failure of fertilizer to replenish scatters the fertilizer hopper outside, as well as during rainy weather working fertilization hopper inside eliminate such disadvantage that rainwater enters, in which attained and labor saving as well as fertilizers supplying work improvement of fertilizer supplying work.
[0004]
[0005]
[0006]
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view of a riding rice transplanter, and FIG. 2 is a plan view thereof. In the figure, (1) is a traveling vehicle on which an operator is boarded, and an engine (2) is mounted on the upper part of the front of the body frame (3) A front axle case (5) is supported in front of the transmission case (4) via a front axle case (5), and a rear axle case (7) is connected to the rear of the transmission case (4). The rear wheel case (7) is supported by the rear axle case (7). The bonnet (9) covering the engine (2) and the like is attached to the spare seedling stage (10) on both sides, and the vehicle body cover (12) is a step in which an operator gets on the footrest (11). A mission case (4) and the like are covered, a driver's seat (13) is attached to the upper part of the vehicle body cover (12), and a steering handle (14) is provided in front of the driver's seat (13) at the rear of the bonnet (9).
[0008]
Further, in the figure, (15) is a planting part having a seedling mount (16) for six-row planting and a plurality of planting claws (17), etc. A rotary case (21) for supporting the seedling stage (16) on the planting case (20) through the lower rail (18) and the guide rail (19) so as to be slidable to the left and right and rotating at a constant speed in one direction. Is supported by the planting case (20), and a pair of claw cases (22) and (22) are arranged at symmetrical positions around the rotational axis of the case (21). The claw cases (22) and (22) ) Attach the planting claws (17) and (17) to the tip. A support frame (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and travels via a link mechanism (27) including a top link (25) and a lower link (26). A support frame (24) is connected to the rear side of the vehicle (1), and an elevating cylinder (28) for raising and lowering the planting part (15) via the link mechanism (27) is connected to the lower link (26), At the same time as the front and rear wheels (6) and (8) are driven to move, the seedlings are taken out from the seedling mount (16) that slides back and forth to the left and right with the planting claws (17), and seedlings are planted continuously. Configure to do work.
[0009]
In the figure, (29) is a main shift lever, (30) is a sub-shift lever for planting raising / lowering and working travel shifting, (31) is a planting sensitivity setting device, (32) is a main clutch pedal, (33) (33 ) Is a left and right brake pedal, (34) is a center float for leveling two strips, (35) is a side float for leveling two strips, and (36) is a fertilizer for six strips.
[0010]
Furthermore, as shown in FIG. 3, FIG. 4, FIG. 5, FIG. 6, a fertilizer feeding hopper (37) for putting fertilizer, a fertilizer feeding case (38) which is a fertilizer feeding section for supplying a fixed amount of fertilizer, and a float (34) ( 35) A turbo blower blower (41) for discharging fertilizer to the side groove grooving device (39) via a flexible pipe transport hose (40), and a hollow pipe fertilizer transport air supply air tank (42) Are provided in the fertilizer application part (36), and an air tank (42) is attached to the front side of the fertilizer feeding case (38), and the air tank (42) is connected to six fertilizer feeding cases (38) for six strips. Yes.
[0011]
In addition, left and right base frames (45) and (45) are attached to both sides of the horizontal frame (44) that is horizontally mounted between the upper ends of the left and right support columns (43) at the rear end of the vehicle body frame (3), and horizontally mounted in the front-rear direction. A fertilizer (36) is provided via the base frame (45), and a side stay (46) is connected between the rear end of the base frame (45) and the vehicle body frame (3), so that the left and right base frames (45) ( The vertical frame (47) is erected on 45) to support the center receiving plate (48) and the left and right receiving plates (49). The center and the upper front side of the left and right receiving plates (48) (49) are rounded. The pipe-shaped front frame (50) and the upper rear side are integrally fixed with a square pipe-shaped rear frame (51), and six sets of feeding cases (38) are fixedly supported on the front and rear frames (50) (51). Let
[0012]
Further, the lower outlet (53) of the hopper (37) is fitted into the inlet (52) on the upper front side of the feeding case (38), and the outlet (54) is placed below the front surface of the feeding case (38). The outlet (54) is closed by a detachable cap (55).
[0013]
A bottom cover (56) is detachably fixed to the lower surface of the feeding case (38), and an outlet (57) is formed on the lower surface of the bottom cover (56) made of hard synthetic resin. The air tank (42 ) Is provided with a soft synthetic resin joining pipe (58) to which the front end portion is fitted, and a hard synthetic resin hose joint (59) front end is detachably fitted to the rear end of the pipe (58). The transfer hose (40) is fitted to the rear end of the joint (59), and the air blown from the blower (41) is blown from the air tank (42) to the hose joint (59) and the hose (40), and the bottom cover (56) The fertilizer that falls from the outlet (57) to the middle of the joint (59) is moved to the conveying hose (40), and the inlet (60) is directed upward to the middle of the joint (59) forming the T-shaped flange. The fitting cap (61) is fixed to the outlet (57) of the bottom lid (56), the cap (61) is detachably fitted to the outer wall of the inlet (60), and the outlet (57 ) Is connected to the inlet (60).
[0014]
Further, two sets of rollers (63a) and (63b) in which a sponge-like flexible soft roller (63b) is provided in a double structure on the outer periphery of the hard resin roller (63a) are rotatably mounted on the intake port (52). The two rollers (63a) and (63b) are rotationally driven at different rotational speeds and directions, and the fertilizer from the fertilizer hopper (37) is allowed to pass between the two rollers (63a) and (63b). The fertilizer lump to which a plurality of grains are bonded is sized, and by the sizing of the rollers (63a) and (63b) having a double structure, the particles can be sized without damaging the granular surface of the fertilizer, and the rollers (63a) Fertilization can be prevented from being pulverized by the friction of (63b), the amount of applied fertilizer can be stabilized, and fertilizer clogging can be prevented.
[0015]
Furthermore, an inlet plate (64) having an intake port (62), a feeding plate (66) which is a feeding roll having a plurality of substantially square outlets (65) on the same circumference, and an outlet (67) An outlet plate (68) having a substantially circular flat plate, the plates (64), (66), (68) being arranged in a multilayer between the feeding case (38) and the bottom cover (56), A feeding shaft (69) is pivotally supported on the feeding case (38) so as to be substantially vertically rotatable, and the lower end side of the feeding shaft (69) is passed through the center of each plate (64) (66) (68). (64) (66) (68) is supported on the feeding shaft (69) so that it can be pulled out downward, and each plate (64) (66) (68) is elastically pressed between the feeding case (38) and the bottom lid (56). The inlet plate (64) and the outlet plate (68) are locked to the feeding case (38), and each plate (64) (68) Then, the feeding shaft (69) is rotated freely, the feeding plate (66) is engaged with the feeding shaft (69) and the feeding plate (66) is forcibly rotated by the feeding shaft (69). The fertilizer that has entered the feeding outlet (65) from the inlet (62) is moved to the outlet (67) and dropped in the direction of the outlet (57). Further, the spring scraper bar (70) is fixed to the feeding shaft (69), and the fertilizer at the bottom lid (56) and the outlet (57) is dropped.
[0016]
Further, the PTO shaft (71) for transmitting the output of the engine (2) to the planting part (15) is extended rearward from the transmission case (4), and the bearing case (72) is attached to the left column (43). After fixing by welding or bolting, the input shaft (73) of the bearing case (72) is linked to the PTO shaft (71) in the middle via the chain (74), and after the output shaft (75) of the bearing case (72). A vertical drive shaft (77), which is a drive member for feeding, is interlocked and connected to the end portion through a pair of bevel gears (76) substantially vertically. In addition, when viewed from the rear, the upper end of the longitudinal drive shaft (77) faces between the second and third feeding cases (38) from the left side, and is linked to the feeding shaft (69) via a pair of bevel gears (78). The upper end of the vertical drive shaft (77) is interlocked and connected to a feed input shaft (79) that is elongated in the left-right direction via a pair of bevel gears (80). The fertilizer is fed by rotating the feeding shaft (69) via the input shaft (79) by the rotation of the PTO shaft (71). Further, a ring cone continuously variable transmission (81), which is a continuously variable transmission mechanism, is interposed in the middle of the vertical drive shaft (77), and the rotation of the supply shaft (69) is continuously variable, so that a supply case (38 ) Is adjusted so that the amount of fertilizer paid out is adjusted.
[0017]
Furthermore, as shown in FIG. 2, FIG. 4, FIG. 5, FIG. 6, FIG. 8, and FIG. 9, the electric blower motor (83) is attached to the blower fan case (82) to constitute the blower (41), and downward A rectangular suction port (84) to be opened and a circular discharge port (85) to be connected to one end of the air tank (42) are formed in the blower fan case (82), and a joining plate (86) is formed on the right receiving plate (49). The blower (41) is fixed to the right side of the air tank (42) by being detachably fixed by the knob bolt (87), and the discharge port (85) is connected to the air tank (42), and is rotated around the fulcrum shaft (88). A blower (41) is attached to the parallel link (89), and the blower (41) can be moved freely to a fertilizer application position on the right side of the air tank (42) or a fertilizer replenishment position on the top surface of the fertilizer hopper (37). (89) by is supported.
[0018]
Further, a rubber packing connection port (90) having the same size as the downward opening of the suction port (84) is opened upward on the upper surface of the fertilizer tank (37), and the connection port (90) can be opened and closed freely (91). At the same time, one end of the suction hose (92) that can be expanded and contracted and bent is connected and fixed to the upper surface of the fertilizer tank (37), and the other end of the suction hose (92) is closed with a removable cap (93). ing.
[0019]
5 and 8, the blower (41) is fixed to the right side of the air tank (42) by a knob bolt (87), and air is fed from the blower (41) to the air tank (42), so that a fertilizer feeding case is obtained. The fertilizer fed out from (38) is conveyed to the planting field surface by the air from the air tank (42) via the conveying hose (40), and side strip fertilization is performed. 6 and 9, the knob bolt (87) is removed, the parallel link (89) is rotated upward, the blower (41) is lifted above the fertilizer hopper (37), and the suction port (84). Is communicated with the connection port (90), the air in the fertilizer hopper (37) is sucked by the blower (41) to keep the inside of the hopper (37) at a negative pressure, and the fertilizer placed on the upper surface of the vehicle body cover (12) The tip of the suction hose (92) extended by removing the cap (93) is inserted into the bag (94), the granular fertilizer in the fertilizer bag (94) is sucked into the fertilizer hopper (37) and fertilized. Replenish the hopper (37) with fertilizer. Further, the suction hose (92) closed by the fitting of the cap (93) is reduced and stored on the upper surface of the fertilizer hopper (37), and fertilization work is performed.
[0020]
As apparent from the above, in the fertilizer application apparatus comprising a plurality of fertilizer hoppers (37) for putting fertilizers and a fertilizer feeding case (38) which is a fertilizer feeding part for feeding fertilizers from the fertilizer hoppers (37), (37) is provided with a blower (41) that is a suction mechanism for supplying fertilizer and a suction hose (92) that is a fertilizer suction member, and an operator lifts the fertilizer bag (94) and puts the fertilizer into the fertilizer hopper (37) This eliminates the problem of the fertilizer to be replenished outside the fertilizer hopper (37) and the problem of rainwater entering the fertilizer hopper (37) during rainy weather work, saving labor in the fertilizer replenishment work and fertilizer replenishment work To improve performance.
[0021]
Moreover, a suction mechanism is comprised by the air blower (41) which conveys the fertilizer delivered from the fertilizer supply case (38), and simplification of a fertilization structure and weight reduction and reduction of manufacturing cost etc. which share the said air blower (41), etc. The blower (41) is moved above the fertilizer hopper (37) to connect the suction port (84) of the blower (41) to the fertilizer hopper (37), and the fertilizer hopper is exhausted by the exhaust of the blower (41). (37) The fertilizer hopper (37) is provided with a suction port (84) that is opened downward by only the operation of moving the blower (41) to the upper surface of the fertilizer hopper (37) by supplying the fertilizer with negative pressure inside. Connect to improve manure replenishment operability and simplify fertilizer replenishment structure. Further, the fertilizer suction member is constituted by a hose (92), the hose (92) is taken out to the use position by extension and bending of the hose (92), and the fertilizer bag (94) is connected to the fertilizer hopper (37), In addition, the hose (92) is accommodated in a non-use position by reducing the hose (92) and closing the tip opening, thereby simplifying the fertilizer supply operation and improving handling operability.
[0022]
Further, as shown in FIGS. 10 to 14, a passage (95) is formed on the upper surface of the body cover (12) on both sides of the bonnet (9), and a seedling support (96) is erected outside the passage (95). The horizontal frame (97) is integrally fixed to the lower end portion of the support column (96) and connected to the vehicle body frame (3), and a plurality of preliminary seedling platforms (10) are arranged on the outer side of the support column (96) in upper and lower stages. Attach and attach two pairs of left and right spare seedling platforms (10) to the front of the machine. In addition, the auxiliary tool case (98) for storing the spare seedling board is fixed to the inside of the upper end portion of the seedling support (96) on the right side of the machine body, and used for rice transplanting work such as a scooping board for storing the spare seedling and an empty spare seedling box. The manual farm tools to be used are stored in the case (98), and the upper ends of the front and rear suspension arms (98) in the form of parallel links on the support shaft (97) of the two seedling support posts (96) on the right and left sides of the machine body. The auxiliary fertilizer stand (99) for inserting the fertilizer bag (94) is rotatably connected to the lower end of the suspension arm (98) via a bearing (100), and the bonnet (9 ) A preliminary fertilizer stand (99) is attached to the upper side of the right passage (95) so as to be movable in the front-rear direction.
[0023]
Further, a pull lever (101) that is gripped by an operator from the driver's seat (13) side behind the reserve fertilizer stand (99) and pulled backward, and a front cover of the vehicle body (12) in front of the reserve fertilizer stand (99) The operator pushes the push lever (102), which is held by the hand and pushed backward, to the lower surface of the preliminary fertilizer stand (99) via the lever guides (103) (104) so as to be movable in the front-rear direction, and the preliminary fertilizer stand (99 ) An intermediate portion of the L-shaped link (106) is rotatably supported on the lower surface via a support shaft (105), and the lever (101) (102) is connected to one end side of the link (106), and the link A lock pin (107) is connected to the other end of (106). Further, the guide frame (108) is fixed to the seedling support column (96), and the front and rear lock holes (109) (110) for removably engaging the lock pin (107) are opened in the guide frame (108). Let
[0024]
Then, the lock pin (107) is engaged with the front lock hole (109), and the preliminary fertilizer stand (99) is moved forward and fixed, so that the operator can fertilize the fertilizer from the rod in front of the machine body to the preliminary fertilizer stand (99). While loading the bag (94), the operator moves the reserve fertilizer stand (99) backward from the driver's seat (13) side and engages the lock pin (107) into the rear lock hole (110) to reserve the fertilizer stand. (99) is moved to the rear of the bonnet (9) and fixed, and the operator carries the fertilizer bag (94) on the reserve fertilizer stand (99) to the position of the rear fertilizer machine (36), and the fertilizer hopper (37) Replenish fertilizer. In addition, although a reserve fertilizer stand (99) is provided only above the right passage (95) and the worker gets on and off from the left passage (95), the reserve fertilizer stand ( 99) to maintain the right and left weight balance of the machine body, and it is not necessary for the operator to walk along the narrow passage (95) with a heavy fertilizer bag (94). ) And the like can be hooked on the fertilizer bag (94) to break the bag (94), and the manure replenishment labor can be reduced and the manure replenishment workability can be improved.
[0025]
【The invention's effect】
As apparent from the above examples, the present invention comprises a fertilizer hopper (37) for putting fertilizer, a fertilizer feed section (38) for feeding fertilizer from the fertilizer hopper (37) , a blower and an air tank (42) , in Ru fertilizing device name and configured to convey the Repetitive out fertilizer from fertilizer and feed unit (38) by air blown from the blower (41) and the air tank (42), the suction connecting one end to the fertilization hopper (37) A hose (92), and a parallel link (89) for movably supporting the blower (41) at a fertilizer application position on one side of the air tank (42) or a fertilizer supply position on the upper surface of the fertilizer hopper (37). ) Is formed on the upper surface side of the fertilizer hopper (37), and the blower (41) supported by the parallel link (89) is mounted on the fertilizer hopper (37). The fertilizer in the fertilizer bag (94) is sucked through the suction hose (92) by sucking the air in the fertilizer hopper (37) from the connection port (90) by the blower (41). (37) Since it is configured to be sucked into the fertilizer hopper (37) , the operator does not need to lift the fertilizer bag (94) and put the fertilizer into the fertilizer hopper (37). The problem of scattering and the problem of rainwater entering the fertilizer hopper (37) during rainy weather work can be eliminated, and labor saving of fertilizer supply work and improvement of fertilizer supply workability can be achieved .
[0026]
[0028]
[Brief description of the drawings]
FIG. 1 is an overall side view of a riding rice transplanter.
FIG. 2 is an overall plan view of the riding rice transplanter.
FIG. 3 is a side view of a planting part.
FIG. 4 is a plan view of a fertilizer application part.
FIG. 5 is a rear view of a fertilizer application part.
6 is an explanatory diagram of the operation of FIG.
FIG. 7 is a cross-sectional side view of a fertilizer application portion.
FIG. 8 is a side view of the blower.
9 is an explanatory diagram of the operation of FIG.
FIG. 10 is a front view of a preliminary seedling stage.
FIG. 11 is an enlarged view of the same.
FIG. 12 is a side view of the same.
FIG. 13 is an enlarged side view of the same.
FIG. 14 is an enlarged plan view of the same.
[Explanation of symbols]
(37) Fertilizer hopper (38) Fertilizer feed case (fertilizer feed part)
(41) Blower
(42) Air tank (84) Blower inlet
(89) Parallel link
(90) Connection port (92) Suction hose
(94) Fertilizer bag

Claims

A fertilizer feeding hopper for putting fertilizer, a fertilizer feeding section for feeding fertilizer from the fertilizer hopper , a blower and an air tank, and configured to convey the fertilizer fed from the fertilizer feeding section by blowing from the blower and the air tank in Ru fertilization system name and,
A suction hose that connects one end side to the fertilizer hopper, and a parallel link that movably supports the blower at a fertilizer operation position on one side of the air tank or a fertilizer replenishment position on the upper surface of the fertilizer hopper,
A connection port communicating with the suction port of the blower is formed on the upper surface side of the fertilizer hopper,
The blower supported by the parallel link is moved to the upper surface side of the fertilizer hopper, and the air in the fertilizer hopper is sucked from the connection port by the blower, whereby the fertilizer in the fertilizer bag is passed through the suction hose. A fertilizer application device configured to be sucked into the fertilizer hopper .