JP3647578B2 - Agricultural hopper equipment - Google Patents

Agricultural hopper equipment Download PDF

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Publication number
JP3647578B2
JP3647578B2 JP30731996A JP30731996A JP3647578B2 JP 3647578 B2 JP3647578 B2 JP 3647578B2 JP 30731996 A JP30731996 A JP 30731996A JP 30731996 A JP30731996 A JP 30731996A JP 3647578 B2 JP3647578 B2 JP 3647578B2
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Prior art keywords
hopper
lid
fertilizer
stand
shaft
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JP30731996A
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JPH10127125A (en
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田 裕 一 竹
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Yanma Agricultural Equipment Co Ltd
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Yanma Agricultural Equipment Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は例えば苗載台及び植付爪を備えて連続的に苗植作業を行う田植機にあって、植付条の側方に施肥を行う施肥機などの農用ホッパ装置に関する。
【0002】
【発明が解決しようとする課題】
この種農用ホッパ装置のホッパ蓋にあったは、その開放角度は常に一定のため、雨天時の肥料補給時などにおいてはホッパ内に雨水がもろに侵入するという不都合があった。
【0003】
【課題を解決するための手段】
請求項1に係る発明は、肥料及び薬剤を貯留する施肥ホッパに、前記施肥ホッパの上方開口部開閉自在に閉塞するためのホッパ蓋を回動自在に連結し前記ホッパ蓋を任意開放位置に固定保持するスタンドを備えてなるホッパ装置において、前記施肥ホッパの外側壁に軸を介して前記スタンドの基端側を回動自在に取付け、前記施肥ホッパの外側壁とホッパ蓋の側部との間の隙間に前記スタンドを配置し、前記ホッパ蓋の側部内面に複数の突状係合部を形成し、前記スタンド先端側の挿入部を突状係合部の係合孔に嵌合するように構成した。したがって、前記ホッパ蓋を90度以内または90度以上に開放して肥料補給などの作業を行い、ホッパ内に雨水が侵入するのを最小に抑えて、施肥作業の安定向上を図ることができる。
【0004】
請求項2に係る発明は、前記ホッパ蓋を前記施肥ホッパに支点ピンを介して回動可能に連結し、前記スタンドの挿入部を前記支点ピンより最大離れた位置の前記係合部の係合孔に嵌合するとき、前記ホッパ蓋を最小開放角度で保持する一方、前記支点ピンに最接近する前記係合部の係合孔に前記スタンドの挿入部を嵌合するとき、前記ホッパ蓋を90度以上の開放角度で保持するように構成したものであるから、施肥作業の安定向上を図ることができる。
請求項3に係る発明は、前記ホッパ蓋の開放側前面部に、庇体を取付けたものであるから、雨天時の肥料補給時など、ホッパ蓋と庇体とで施肥ホッパ開口部の上方側を覆い、施肥ホッパ内に雨水が侵入するのを防止できる
【0005】
【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はホッパの側面説明図、図2は乗用田植機の側面図、図3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、前記ギヤ変速ケース(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、ステップ(11)を介して作業者が搭乗する車体カバー(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。
【0006】
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。
【0007】
また、図中(29)は走行変速レバー、(30)は植付昇降兼作業走行変速用副変速レバー、(31)は植付け感度調節レバー、(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条用の側条施肥機である。
【0008】
さらに、図4、図5にも示す如く、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ケース(38)と、施肥部であるフロート(34)(35)の側条作溝器(39)にフレキシブル形搬送ホース(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、円筒形のエアタンク(42)とを、前記施肥機(36)に備えると共に、エアタンク(42)右側端に送風機(41)を取付け、6条分の6組の肥料繰出ケース(38)…をエアタンク(42)上側に配設させている。
【0009】
さらに、図6乃至図11に示す如く、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)を介して施肥機(36)を設けると共に、左右ベースフレーム(45)(45)にブラケット(46)(46)を介してエアタンク(42)をボルト止め固定させるもので、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(47)を連結させ、ベースフレーム(45)前後側に前後昇降レール(48)(49)…を立設させ、前後一組左右二対の4本の該昇降レール(48)(48)(49)(49)を介して施肥機(36)を昇降自在に取付けると共に、左右一対の2本のガススプリング(50)(50)によって昇降自在に施肥機(36)を取付け、車体フレーム(3)後端部に配置させるリヤアクスルケース(7)に施肥機(36)重量を支持させるもので、図12にも示す如く、前後昇降レール(48)(49)に対向させる軸受板(51)を設け、前記レール(48)(49)に転動自在に嵌込むベアリングローラ(52)…を軸受板(51)に回転自在に軸支させ、前後2本のレール(48)(49)を左右対称に2組設け、1本のレール(48)(49)に対して上下2個のローラ(52)(52)を取付け、左右一対の軸受板(51)(51)を4本のレール(48)(49)と8個のローラ(52)…によってベースフレーム(45)に昇降自在に支持させている。
【0010】
また、前記ガススプリング(50)の下端を前記車体フレーム(3)に連結させ、前記軸受板(51)にガススプリング(50)上端を連結させ、前記レール(48)(49)とガススプリング(50)を略平行に立設させると共に、施肥機(36)の前後幅方向の重心位置にガススプリング(50)を連結させるもので、施肥機(36)の重量と略等しいかまたは若干小さい伸張力をガススプリング(50)が有するように構成している。
【0011】
さらに、図12乃至図15に示す如く、左右の軸受板(51)(51)を丸パイプ形の前フレーム(53)によって一体固定させ、施肥機(36)を持上げるときに作業者が握る取手(54)を前記前フレーム(53)に溶接固定させ、左右の前記軸受板(51)(51)に支軸(55)(55)を介して左右ロックレバー(56)(56)を回転自在に軸支させ、前側の左右昇降レール(48)(48)に左右ロックレバー(56)(56)を介して左右軸受板(51)(51)前部を係止させると共に、後側の左右昇降レール(49)(49)に左右ロックピン(57)(57)を摺動自在に取付け、図12に示す軸受板(51)の係合孔(58)にロックピン(57)を係脱自在に係入させ、後側の左右昇降レール(49)(49)に左右軸受板(51)(51)後部を左右ロックピン(57)(57)を介して係止させ、軸受板(51)の前部と後部を前後の昇降レール(48)(49)にロックレバー(56)とロックピン(57)により固定させる。また図15に示す如く、前記昇降レール(48)に上下係合孔(58)(59)を形成させ、各係合孔(58)(59)にロックレバー(56)を係入させて施肥機(36)を上昇位置または下降位置で固定支持させるもので、ロックレバー(56)を前記取手(54)の下側に延出させ、運転席(13)側に突設させる取手(54)を作業者が握り乍らロックレバー(56)を操作し、ロックレバー(56)を係合孔(58)(59)から離脱させることができるように構成している。
【0012】
また、前記前フレーム(53)にケース前ブラケット(60)を溶接固定させ、該ケース前ブラケット(60)に前記繰出ケース(38)前側をボルト止め固定させるもので、1ユニットとして構成する中央2条分の繰出ケース(38)(38)を左右の昇降レール(48)(49)間に配設させ、昇降レール(48)(49)の機外側に左右各2条分の繰出ケース(38)(38)を夫々配設させ、2条1組として3ユニットの繰出ケース(38)…を左右に並設させている。
【0013】
さらに、図16乃至図18に示す如く、前記繰出ケース(38)の上面前側の取入口(61)に前記ホッパ(37)の下部出口(62)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(63)を形成し、着脱自在なキャップ(64)によって取出口(63)を閉塞している。前記キャップ(64)を取外して取出口(63)を開放し、ホッパ(37)内部の肥料を前側下方に流下させるもので、このときに施肥機(36)を昇降レール(48)(49)の上昇位置に支持させ、取出口(63)と下方のエアタンク(42)の間隔を拡大させ、肥料を入れる容器を前記取出口(63)下方に容易に差し入れることができ、残留肥料の取出しを容易に行えるように構成している。
【0014】
また、前記繰出ケース(38)下面に閉塞レバー(65)を介して底蓋(66)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(66)下面に出口(67)を形成するもので、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(68)を備え、該パイプ(68)後端に硬質合成樹脂製のホースジョイント(69)前端を着脱自在に嵌着させると共に、前記ジョイント(69)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)から各パイプ(68)…及びホース(40)に吹出させ、底蓋(66)の出口(67)からジョイント(69)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(69)中間に入口(70)を上向き開放に形成し、底蓋(66)の出口(67)に嵌合キャップ(71)を固定させ、該キャップ(71)を前記入口(70)に着脱自在に嵌着させ、出口(67)を入口(70)に接続させると共に、前記エアタンク(42)に取付板(72)を一体固定させ、取付板(72)に前記ジョイント(69)をボルト止め固定させている。
【0015】
また、取入口(73)及び吹出口(74)を有する入口板(75)と、同一円周上に略四角形の複数の繰出口(76)…を有する繰出板(77)と、排出口(78)を有する出口板(79)を備え、略円形平板製の前記各板(75)(77)(79)を繰出ケース(38)と底蓋(66)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(80)を略垂直に回転自在に軸支させ、各板(75)(77)(79)の中央部に繰出軸(80)下端側を貫通させ、繰出軸(80)下端にゴム輪(81)を着脱自在に係止させ、各板(75)(77)(79)を下方に抜出し自在に繰出軸(80)に支持させ、かつ閉塞レバー(65)によって各板(75)(77)(79)を繰出ケース(38)と底蓋(66)間に弾圧させるもので、入口板(75)と出口板(79)を繰出ケース(38)に係止させ、各板(75)(79)に対して繰出軸(80)を遊転させると共に、繰出板(77)を繰出軸(80)に係合軸支させ、繰出軸(80)によって繰出板(77)を強制的に回転させ、取入口(73)から繰出口(76)に入った肥料を排出口(78)に移動させて出口(67)方向に落下させるように構成している。
【0016】
また、前記取入口(73)端部で繰出口(76)上面の余分な肥料を取除くブラシ(82)を備え、高さ調節する撮(83)を介して前記ブラシ(82)を繰出ケース(38)に高さ調節自在に取付け、繰出板(77)上面に対するブラシ(82)下端の高さ調節を繰出ケース(38)外部から行い、繰出口(76)の肥料送出量を調節するように構成している。
【0017】
また、前記入口板(75)の吹出口(74)に対向させる圧風取入口(84)を繰出ケース(38)に形成し、前記エアタンク(42)の中空部と前記圧風取入口(84)を分流パイプ(85)によって連通させ、前記パイプ(85)及び取入口(84)を介して送風機(41)及びエアタンク(42)からの送風を吹出口(74)に供給し、排出口(78)位置に移動した繰出口(76)に吹出口(74)から送風し、該送風によって繰出口(76)の肥料を下方に強制的に落下させ、粒形の肥料またはこの粉が繰出口(76)内に残るのを防ぐように構成している。
【0018】
さらに、図7、図10、図15にも示す如く、前記エンジン(2)出力を植付部(15)に伝達させるPTO軸(86)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(87)を溶接固定させ、軸受ケース(87)の入力軸(88)を前記PTO軸(86)中間にチェン(89)を介して連動連結させ、軸受ケース(87)の出力軸(90)後端部にクランク板(91)をボールロック構造により着脱自在に固定させる。また、前記軸受板(51)及びケース後ブラケット(92)を一体固定させる四角パイプ形後面フレーム(93)を備え、エアタンク(42)及び前フレーム(53)と略平行に後面フレーム(93)を横架させ、ケース後ブラケット(92)に前記繰出ケース(38)後側をボルト止め固定させる。
【0019】
また、前記左の軸受板(51)にブラケット(94)及び軸(95)を介して繰出量調節レバー(96)を軸支させると共に、左の軸受板(51)に支軸(97)を介して調節
リンク(98)及び支点リンク(99)を設け、前記レバー(96)のネジ部(100)に調節リンク(98)を連結させ、支点リンク(99)に調節支点(101)を取付け、該支点(101)に駆動アーム(102)を軸支させる。そして、運転席(13)方向に突出させる前記レバー(96)の回転操作によってネジ部(100)を回転させることにより、前記各リンク(98)(99)が一体的に回転し、前記調節支点(101)位置を変更させるもので、運転席(13)の作業者によって前記レバー(102)の繰出量調節操作が行えるように構成している。
【0021】
また、前記後面フレーム(93)に軸受板(103)を介して繰出駆動軸(104)を回転自在に軸支させ、該駆動軸(104)に揺動アーム(105)を固定させ、前記駆動アーム(102)に長さ調節自在な伸縮ロッド(106)一端側を連結させ、かつ前記揺動アーム(105)に前記伸縮ロッド(106)の他端側を連結させると共に、前記クランク板(91)を駆動アーム(102)に入力ロッド(107)を介して連結させ、植付駆動用のPTO軸(86)から入力ロッド(107)及び駆動アーム(102)を介して繰出駆動軸(104)に駆動力を伝え、図示しない植付クラッチの入切によって植付部(15)と施肥機(36)を同時に作動させたり停止させる操作を行い、また前記出力軸(90)に対してクランク板(91)を取外して駆動部を切離して施肥機(36)の上昇部を持上げる操作を行うもので、前記レバー(96)操作により調節支点(101)を位置変更させ、伸縮ロッド(106)の往復ストロークを無段階に変更させて肥料繰出量の無段調節を行うように構成している。
【0020】
さらに、図9に示す如く、前記後面フレーム(93)に連れ回り防止一方向クラッチ(108)を介してクラッチ軸(109)を軸支させ、該クラッチ軸(109)に一方向クラッチ(110)を介して入力リンク(111)を設けると共に、前記繰出駆動軸(104)に揺動リンク(112)を固定させ、該リンク(112)を前記入力リンク(111)に連係ロッド(113)を介して連結させ、入力リンク(111)を揺動させてクラッチ軸(109)を一方向に間欠的に回転させるように構成している。
【0021】
また、前記繰出ケース(38)に条止めクラッチケース(114)を固定させると共に、前記繰出軸(80)上端側にベベルギヤ(115)(116)を介して入力軸(117)を常時連結させるもので、入力軸(117)を前記クラッチ軸(109)に継断自在に連結させる条止めクラッチ(図示省略)を前記クラッチケース(114)に内設させると共に、前記ケース(114)の条止めクラッチを継断操作するクラッチレバー(118)とクラッチアーム(119)を前記クラッチケース(114)の前後に振分け配設させ、前記植付部(15)の苗載台(16)上側背面部に設ける植付け条止め用ユニットクラッチレバー(120)に、後面フレーム(98)のアウタ受(121)により張設させる条止めワイヤ(122)を介して、前記クラッチアーム(119)を連結させる。そして、前記植付け条止めユニットクラッチレバー(120)操作によって6条植え用の各植付爪(17)…のいずれかを停止させたとき、停止させた植付爪(17)に対応する前記ケース(114)の条止めクラッチを切断動作させて施肥動作を中止させ、植付爪(17)によって苗を植付ける条にだけ施肥を行うように構成している。
【0022】
さらに、図12乃至図14にも示す如く、中央2条分の肥料繰出ケース(38)(38)取付位置外側で前フレーム(53)と後面フレーム(93)に左右の軸受板(51)(51)を溶接固定させると共に、前フレーム(53)と後面フレーム(93)の両端部を左右のサイドフレーム(123)(123)によって一体固定させ、両側2条分の肥料繰出ケース(38)(38)を軸受板(51)とサイドフレーム(123)間の前フレーム(53)及び後面フレーム(93)に取付けるもので、四角枠形の各フレーム(53)(93)(123)を軸受板(51)によって左右方向に三等分に区切り、前後のフレーム(53)(93)間に6条分の肥料繰出ケース(38)を掛け渡し支持させる。
【0023】
図13、図16、図18にも示す如く、前記繰出ケース(38)と前フレーム(53)間に設けるブラケット(60)には横方向に長径の覗穴(124)を開設していて、繰出ケース(38)に底蓋(66)を組付ける際、苗載台(16)側に回り込むことなく正面側より容易に位相などの確認を行って、これら組付けの取扱い性を向上させるように構成している。
【0024】
さらに、図19乃至図22に示す如く、透明プラスチックで形成する前記施肥ホッパ(37)の底面傾斜部最上方位置の四方に4本のピン(125)…を一体形成により立設させ、プラスチック製漉網板(126)を前記ピン(125)に上方から着脱自在に係止させてホッパ(37)の底面傾斜部最上方位置に漉網板(126)を横架させ、前記ホッパ(37)の最広幅部の水平方向断面と略同一大きさに漉網板(126)を形成し、漉網板(126)をピン(125)によって確実に固定支持し、また漉網板(126)の着脱によって異物の除去を容易に可能とすると共に、漉網板(126)部の肥料の流下をスムーズに行わせ、肥料がブリッジを形成する不具合を解消させるように構成している。
【0025】
また、1条1体に独立して成形した6条分6体の施肥ホッパ(37)…を左右方向に連設させ、隣接させる各ホッパ(37)(37)の上面開口縁を端面逆U形の縁フレーム(127)によって挾込んでボルト(128)…止め固定させ、縁フレーム(127)によって連結する各ホッパ(37)(37)の側面高さを前後面高さよりも低く形成し、漉網板(126)上面側で縁フレーム(127)上側を介して6条分の各ホッパ(37)…内部を連通させるもので、縁フレーム(127)上側を介して隣のホッパ(37)に肥料を移動させて均すように構成している。
【0026】
さらに、肥料を入れる6条分の各施肥ホッパ(37)…上面開口部に開閉自在に設ける単一のホッパ蓋(129)を備え、前記ホッパ(37)上面開口を閉塞する中央部の中央蓋部材(130)と、該中央蓋部材(130)の左右両側に連結させる左右側蓋部材(131)(131)とに、前記蓋(129)を3分割形成するもので、施肥ホッパ(37)内部を外側から透視可能な透明プラスチックによって中央蓋部材(130)を形成すると共に、割れにくくて粘りがあり耐衝撃性を有する着色プラスチックによって左右側蓋部材(131)(131)を形成し、透明プラスチックによって施肥ホッパ(37)上面開口を閉塞して肥料残量の目視確認を行える構造であり乍ら、左右側蓋部材(131)(131)によって蓋(129)の強度確保を行える構造とし、従来の透明機能を損なうことなく従来よりも破損しにくい大面積の蓋(129)を構成している。
【0027】
また、前記側蓋部材(131)に一体形成するボス(132)に外側から支点ピン(133)を貫挿させ、支点ピン(133)先端を施肥ホッパ(37)側面に着脱自在に係止させ、蓋(129)の両側を施肥ホッパ(37)に支持させるヒンジ(134)を形成し、支点ピン(133)を中心に蓋(129)を回転させて開閉させると共に、施肥ホッパ(37)前面側にプラスチック製突起(135)を固定させ、該突起(135)に着脱自在に係止させるプラスチック製フック(136)を中央蓋部材(130)に固設させ、突起(135)とフック(136)の係合によって蓋(129)を閉塞位置に固定させる。
【0028】
また、前記中央蓋部材(130)の下面(内面)側で左右全幅に複数のリブ(137a)(137)…を平行に形成すると共に、前記中央蓋部材(130)の支点ピン(133)支持近くの後側下面で左右全幅に遮閉部材(138)を形成している。前記リブ(137a)(137)と遮閉部材(138)を中央蓋部材(130)に一体形成して略平行に延設させると共に、中央蓋部材(130)の端面及びリブ(137a)(137)及び遮閉部材(138)の端部を嵌入させる溝(139)及び(140a)(140)及び(141)を側蓋部材(131)に形成し、中央蓋部材(130)及びリブ(137a)(137)…及び遮閉部材(138)の両側端を左右側蓋部材(131)(131)の各溝(139)及び(140a)(140)及び(141)…に嵌入させ、中央蓋部材(130)両側に左右側蓋部材(131)(131)を接着固定させる。
【0029】
さらに、前記遮閉部材(138)の下端側をフック形に後方に折曲げ、図1及び図19仮想線に示す如く、前記支点ピン(133)を中心に蓋(129)を開放させたとき、ホッパ(37)開口縁と中央蓋部材(130)との隙間(142)を遮閉部材(138)で閉塞し、施肥ホッパ(37)の一側に起立させる蓋(129)によって他側から投入する肥料が反対側に飛散するのを防ぎ、また蓋(129)に衝突した肥料が蓋(129)と施肥ホッパ(37)間の隙間(142)から下方に落下するのを防ぐと共に、遮閉部材(138)上面に留った肥料を、蓋(129)を閉塞するときにホッパ(37)内部に落下させるように構成している。
【0030】
図1・図23・図24に示す如く、前記蓋(129)は90度以上に最大開放すると共に、90度の鉛直開放位置より閉じ方向の任意位置で位置保持可能に設けるもので、ホッパ(37)の左右最外側壁に軸(143)を介しロッド状のスタンド(144)の基端側を回動自在に取付けると共に、蓋(129)の左右外壁である側蓋部材(131)内面に前記スタンド(144)先端の折曲挿入部(144a)を係合孔(145)に挿入する複数の突状係合部(146a)(146b)(146c)を一体形成し、ホッパ(37)の左右最外側壁と蓋(129)の側蓋部材(131)間の隙間(147)に前記スタンド(144)を配備させている。そしてスタンド(144)の折曲部(144a)を支点ピン(133)より最大離れた位置の係合部(146a)の係合孔(145)に挿入するとき、蓋(129)を最小開放角度で保持し、支点ピン(133)に近い位置の係合部(146b)(146c)の係合孔(145)に挿入する程90度以内でその開放角度を大とし、支点ピン(133)に最接近する係合部(146d)の係合孔(145)に挿入するとき、蓋(129)を90度以上の最大開放角度で保持するように構成している。而して雨天以外の肥料補給時には蓋(129)を最大開放角度に全面開放して蓋(129)の影響を受けることのない良好な補給作業を行う一方、雨天時には降雨状態に応じてその開放角度を小とさせて雨水がホッパ(37)内に侵入するのを最大防止しながら補給作業を行うものである。なお前記蓋(129)に直接的に係合孔(145)を開放してスタンド(144)の挿入部(144a)を挿入する構成でも良い。
【0031】
また図1、図21、図24に示す如く、前記蓋(129)の開放側前面部(130a)に側面視への字形の庇体(148)を設けて、雨天作業時に蓋(129)を開放しても、ホッパ(37)の開放部上方を庇体(148)で覆って、雨水がホッパ(37)内に侵入するのを防止するもので、該庇体(148)は蓋前面部(130a)に回動軸(149)を介し1条毎或いは2条、3条のユニット毎に回動自在に設けて、肥料補給を行う1条或いはユニットのホッパ(37)の庇体(148)のみを上方に回動させて、この庇体(148)を補給の邪魔とさせることなく良好な雨天での肥料補給作業を行うように構成している。
【0032】
図4、図6、図25、図26に示す如く、2本の搬送ホース(40)をハンドジョイント(150)によって束ねて、ホース(40)が作業の障害となったり損傷するのを防止するもので、隣接の2本のホース(40)をそれぞれに縛るホースバンド(151)を、四角筒状のジョイント(150)の係合孔(152)に背中合せ状に挿入させ、表側のノッチ面(151a)を係合孔(152)一端のノッチ係止部(152a)に係合させて、2本のホース(40)を各1組として結束し、ホース(40)の交換などで片側1本のホース(40)を取外したときにも、このバンド(151)を他方のホース(40)側に残すことによって、このバンド(151)の粉末を防止し、ホース(40)の元の位置への止着を容易とさせるように構成している。なおバンドジョイント(150)は3本のホースバンド(151)を一体的に係合保持する構成でも良い。
【0033】
また、図27乃至図29に示すものは、蓋(129)開放時に風の影響を受けない蓋構造を示すもので、図27は前記蓋(129)の最大開放時に、前記ホッパ(37)と蓋(129)間を連結するスタンド(144A)を設けて、風が吹いても蓋(129)が倒れることのない構造例を示したものである。
【0034】
また図28はホッパ(37)の左右最外壁(37a)上端を球状レール部(153)に形成すると共に、このホッパ蓋(129)の内側面にレール部(153)に嵌合するレール嵌合部(154)を一体形成して、ホッパ(37)にこれらレール部(153)及び嵌合部(154)を介してホッパ蓋(129)を前後方向にスライド自在に嵌着させて、ホッパ蓋(129)のスライドでその開閉を行い、風の影響を受けることのない蓋(129)の開放を行うように構成したものである。
【0035】
さらに図30に示すものは、ホッパ(37)の開口部を覆うホッパ蓋(129A)を半円形に形成すると共に、ホッパ(37)の支持部材(155)を介して略90度ホッパ(37)の外壁に沿わせて回動させるとき、蓋(129A)を最大開放状態とさせて、風の影響を受けることのない蓋(129A)の開放を行うように構成したものである。
【0036】
【発明の効果】
以上実施例から明らかなように、請求項1に係る発明は、肥料及び薬剤を貯留する施肥ホッパ(37)に、前記施肥ホッパの上方開口部開閉自在に閉塞するためのホッパ蓋(129)を回動可能に連結し、前記ホッパ蓋(129)を任意開放位置に固定保持するスタンド(144)を備えてなるホッパ装置において、前記施肥ホッパ(37)の最外側壁に軸(143)を介して前記スタンド(144)の基端側を回動自在に取付け、前記施肥ホッパ(37)の外側壁とホッパ蓋(129)の側部との間の隙間(147)に前記スタンド(144)を配置し、前記ホッパ蓋(129)の側部内面に複数の突状係合部(146a)(146b)(146c)(146d)を形成し、前記スタンド(144)先端側の挿入部(144a)を突状係合部(146a)(146b)(146c)(146d)の係合孔(145)に嵌合するように構成した。したがって、前記ホッパ蓋(129)を90度以内または90度以上に開放して肥料補給などの作業を行い、施肥ホッパ(37)内に雨水が侵入するのを最小に抑えて、施肥作業の安定向上を図ることができる。
【0037】
また、請求項2に係る発明は、前記ホッパ蓋を前記ホッパに支点ピン(133)を介して回動可能に連結し、前記スタンド(144)の挿入部(144a)を前記支点ピン(133)より最大離れた位置の前記係合部(146a)の係合孔(145)に嵌合するとき、前記ホッパ蓋(129)を最小開放角度で保持する一方、前記支点ピン(133)に最接近する前記係合部(146d)の係合孔(145)に前記スタンド(144)の挿入部(144a)を嵌合するとき、前記ホッパ蓋(129)を90度以上の開放角度で保持するように構成したものであるから、施肥作業の安定向上を図ることができる。
【0038】
さらに、請求項3に係る発明は、ホッパ蓋(129)の開放側前面部(130a)に、庇体(148)を取付けたものであるから、雨天時の肥料補給時などにおいても、ホッパ蓋(129)と庇体(148)とでホッパ開口部の上方を覆い、施肥ホッパ(37)内に雨水が侵入するのを防止できる。
【図面の簡単な説明】
【図1】ホッパの側面説明図である。
【図2】全体の側面図である。
【図3】同平面図である。
【図4】施肥機部の平面図である。
【図5】同背面図である。
【図6】同側面説明図である。
【図7】昇降レール部側面説明図である。
【図8】肥料繰出ケース部の側面説明図である。
【図9】肥料繰出ケース部の平面説明図である。
【図10】ベースフレーム部の背面説明図である。
【図11】肥料繰出ケース部の背面説明図である。
【図12】軸受板部の側面説明図である。
【図13】取手部の平面説明図である。
【図14】同背面説明図である。
【図15】同側面説明図である。
【図16】肥料繰出ケースの断面側面説明図である。
【図17】同断面背面説明図である。
【図18】同断面平面説明図である。
【図19】ホッパの断面側面説明図である。
【図20】ホッパの断面背面説明図である。
【図21】ホッパ蓋の平面説明図である。
【図22】ホッパ蓋の平面説明図である。
【図23】スタンドの説明図である。
【図24】庇体の回動説明図である。
【図25】ホースバンドの説明図である。
【図26】バンドジョイントの説明図である。
【図27】最大開放用スタンドの説明図である。
【図28】スライド用ホッパ蓋の説明図である。
【図29】回動用ホッパ蓋の説明図である。
【符号の説明】
(37)ホッパ
(129)ホッパ蓋
(130a)前面部
(133)支点ピン
(143)軸
(144)スタンド
(144a)スタンドの挿入部
(145)係合孔
(146a)〜(146d)係合部
(147)隙間
(148)庇体
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an agricultural hopper device such as a fertilizer applicator that performs fertilization on the side of a planting strip, for example, in a rice transplanter that includes a seedling stage and a planting claw and performs seedling planting work continuously.
[0002]
[Problems to be solved by the invention]
Since the opening angle of the hopper lid of this kind of agricultural hopper device is always constant, there is a disadvantage that rainwater penetrates into the hopper when fertilizer is replenished in rainy weather.
[0003]
[Means for Solving the Problems]
Invention, the fertilizer hopper for storing a fertilizer and agents, the hopper lid for closing the upper opening of the fertilizer hopper openably and pivotally connected, any open position the hopper lid according to claim 1 In a hopper device comprising a stand that is fixedly held on a base, a base end side of the stand is rotatably attached to an outer wall of the fertilizer hopper via a shaft, and an outer wall of the fertilizer hopper and a side portion of a hopper lid are provided. The stand is disposed in the gap between the plurality of protrusions, and a plurality of protruding engagement portions are formed on the inner surface of the side portion of the hopper lid, and the insertion portion on the distal end side of the stand is fitted into the engagement hole of the protrusion engagement portion. Configured to do. Therefore, the hopper lid can be opened within 90 degrees or more than 90 degrees to perform operations such as fertilizer replenishment , minimizing the intrusion of rainwater into the hopper, and improving the stability of the fertilization operation.
[0004]
According to a second aspect of the present invention, the hopper lid is rotatably connected to the fertilizer application hopper via a fulcrum pin, and the insertion portion of the stand is engaged with the engagement portion at a position farthest from the fulcrum pin. When fitting into the hole, the hopper lid is held at a minimum opening angle, while when the insertion portion of the stand is fitted into the engagement hole of the engagement portion closest to the fulcrum pin, the hopper lid is Since it is configured to be held at an opening angle of 90 degrees or more, it is possible to improve the stability of fertilization work.
Invention, the open side front portion of the hopper lid, since those fitted with eaves member, such as during fertilizer supply in the rain, the upper fertilization hopper opening at the hopper lid and Hisashitai according to claim 3 Covers the sides and prevents rainwater from entering the fertilizer hopper.
[0005]
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 hopper, FIG. 2 is a side view of a riding rice transplanter, FIG. 3 is a plan view thereof, (1) is a traveling vehicle on which an operator is boarded, and an engine (2) is mounted on the vehicle body. The frame (3) is mounted above the front part, the front case (5) is supported on the front of the transmission case (4) through the front axle case (5), and the rear axle is mounted on the rear part of the gear transmission case (4). A case (7) is continuously provided, and the rear axle case (7) supports the paddy wheel traveling rear wheel (8). The spare seedling stage (10) is attached to both sides of the bonnet (9) covering the engine (2) and the like, and the mission case (4) is provided by a vehicle body cover (12) on which an operator boardes through the step (11). Etc., a driver's seat (13) is attached to the upper part of the vehicle body cover (12), and a steering handle (14) is provided at the rear of the bonnet (9) in front of the driver's seat (13).
[0006]
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.
[0007]
In the figure, (29) is a traveling speed change lever, (30) is a sub-shifting lever for planting lifting and working traveling speed change, (31) is a planting sensitivity adjusting lever, (32) is a main clutch pedal, and (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 side fertilizer for six strips.
[0008]
Further, as shown in FIGS. 4 and 5, a fertilizer hopper (37) for containing fertilizer, a fertilizer feeding case (38) for supplying a fixed amount of fertilizer, and a side crop of a float (34) (35) as a fertilizer section. The fertilizer applicator (36) includes a turbo blower type blower (41) for discharging fertilizer to the groove device (39) via the flexible conveying hose (40), and a cylindrical air tank (42). (42) A blower (41) is attached to the right end, and six sets of fertilizer feed cases (38) for six strips are arranged on the upper side of the air tank (42).
[0009]
Further, as shown in FIGS. 6 to 11, left and right base frames (45) and (45) are attached to both sides of a horizontal frame (44) which is placed between the upper ends of the left and right columns (43) at the rear end of the body frame (3), A fertilizer applicator (36) is provided via the base frame (45) that is horizontally mounted in the front-rear direction, and an air tank (42) is attached to the left and right base frames (45) (45) via brackets (46) (46). ) Are fastened with bolts. A side stay (47) is connected between the rear end of the base frame (45) and the vehicle body frame (3), and the front and rear elevating rails (48) (49 ), And the fertilizer applicator (36) is mounted so as to be movable up and down via the four lifting rails (48), (48), (49), and (49) in a pair of front and rear. Two The fertilizer (36) is attached so as to be movable up and down by the springs (50) and (50), and the weight of the fertilizer (36) is supported by the rear axle case (7) disposed at the rear end of the vehicle body frame (3). As shown in FIG. 12, a bearing plate (51) is provided to face the front and rear lifting rails (48) and (49), and bearing rollers (52). (51) is rotatably supported, and two sets of two front and rear rails (48) and (49) are provided symmetrically, and two upper and lower rollers (52 are provided for one rail (48) and (49). ) (52) is attached, and a pair of left and right bearing plates (51) (51) is supported on the base frame (45) by four rails (48) (49) and eight rollers (52). ing.
[0010]
Further, the lower end of the gas spring (50) is connected to the vehicle body frame (3), the upper end of the gas spring (50) is connected to the bearing plate (51), and the rails (48) (49) and the gas spring ( 50) is erected substantially in parallel, and the gas spring (50) is connected to the position of the center of gravity in the front-rear width direction of the fertilizer applicator (36), and the stretch is substantially equal to or slightly smaller than the weight of the fertilizer applicator (36). The gas spring (50) is configured to have a force.
[0011]
Further, as shown in FIGS. 12 to 15, the left and right bearing plates (51) (51) are integrally fixed by a round pipe-shaped front frame (53), and the operator grips when lifting the fertilizer applicator (36). The handle (54) is fixed to the front frame (53) by welding, and the left and right bearing plates (51) (51) are rotated by the left and right lock levers (56) (56) via the support shafts (55) (55). The front left and right lifting rails (48) and (48) are engaged with the front left and right bearing plates (51) and (51) via the left and right lock levers (56) and (56), and the rear side Left and right lock pins (57) and (57) are slidably attached to the left and right lifting rails (49) and (49), and the lock pin (57) is engaged with the engagement hole (58) of the bearing plate (51) shown in FIG. Removably engage the rear left and right lifting rails (49) (49) The rear part of the right bearing plate (51) (51) is locked via the left and right lock pins (57) (57), and the front part and the rear part of the bearing plate (51) are locked to the front and rear lifting rails (48) (49). It is fixed by the lever (56) and the lock pin (57). Further, as shown in FIG. 15, the vertical rails (48) are formed with upper and lower engagement holes (58) (59), and a lock lever (56) is engaged with each of the engagement holes (58) (59) to apply fertilizer. The machine (36) is fixedly supported in the raised position or the lowered position, and the handle (54) is provided so that the lock lever (56) extends below the handle (54) and protrudes toward the driver's seat (13). The operator can operate the lock lever (56) while gripping it so that the lock lever (56) can be disengaged from the engagement holes (58) (59).
[0012]
Further, a case front bracket (60) is fixed to the front frame (53) by welding, and the front side of the feeding case (38) is fixed to the front case bracket (60) by bolting. The feed cases (38), (38) for the strips are disposed between the left and right lifting rails (48), (49), and the feeding cases for the two strips on the left and right sides of the lifting rails (48, 49) (38). ) (38) are arranged, respectively, and 3 units of feeding cases (38)...
[0013]
Further, as shown in FIGS. 16 to 18, the lower outlet (62) of the hopper (37) is fitted to the inlet (61) on the upper front side of the feeding case (38), and the feeding case (38). An outlet (63) is formed on the lower front side, and the outlet (63) is closed by a detachable cap (64). The cap (64) is removed, the outlet (63) is opened, and the fertilizer in the hopper (37) is allowed to flow downward on the front side. At this time, the fertilizer applicator (36) is moved up and down rails (48) (49). It is supported at the raised position, the interval between the take-out port (63) and the lower air tank (42) is expanded, and the container for fertilizer can be easily inserted under the take-out port (63), and the residual fertilizer can be taken out. It is configured so that it can be easily performed.
[0014]
A bottom cover (66) is detachably fixed to the lower surface of the feeding case (38) via a closing lever (65), and an outlet (67) is formed on the lower surface of the hard synthetic resin bottom cover (66). It has a joint pipe (68) made of soft synthetic resin that fits the front end portion into the air tank (42), and the front end of the hard synthetic resin hose joint (69) is detachable at the rear end of the pipe (68). The conveying hose (40) is fitted to the rear end of the joint (69), and the air blower (41) is blown from the air tank (42) to each pipe (68) ... and the hose (40). The fertilizer that is blown out and moves from the outlet (67) of the bottom lid (66) to the middle of the joint (69) is moved to the conveying hose (40), and is introduced into the middle of the joint (69) forming a T-shaped flange. 70) is formed to open upward, the fitting cap (71) is fixed to the outlet (67) of the bottom lid (66), the cap (71) is detachably fitted to the inlet (70), and the outlet (67) is connected to the inlet (70), the mounting plate (72) is integrally fixed to the air tank (42), and the joint (69) is fixed to the mounting plate (72) with bolts.
[0015]
Further, an inlet plate (75) having an intake port (73) and a blower outlet (74), a feeding plate (77) having a plurality of substantially rectangular outlets (76) on the same circumference, and a discharge port ( 78) having an outlet plate (79), and each plate (75) (77) (79) made of a substantially circular flat plate is arranged in a multilayer between the feeding case (38) and the bottom lid (66). At the same time, the feeding shaft (80) is pivotally supported in the feeding case (38) so as to be substantially vertically rotatable, and the lower end side of the feeding shaft (80) is passed through the central portion of each plate (75) (77) (79). A rubber ring (81) is detachably locked to the lower end of the feeding shaft (80), the plates (75), (77), and (79) are supported on the feeding shaft (80) so as to be able to be pulled out downward, and a closing lever ( 65) the plates (75), (77) and (79) are elastically pressed between the feeding case (38) and the bottom cover (66). The inlet plate (75) and the outlet plate (79) are locked to the feeding case (38), and the feeding shaft (80) is rotated freely with respect to each plate (75) (79), and the feeding plate (77) is The feed shaft (80) is engaged with the feed shaft (80), the feed plate (77) is forcibly rotated by the feed shaft (80), and the fertilizer that has entered the feed port (76) from the intake port (73) is discharged into the discharge port (78 ) And dropped in the direction of the exit (67).
[0016]
In addition, the brush (82) is provided through a photograph (83) that is provided with a brush (82) that removes excess fertilizer on the upper surface of the feed outlet (76) at the end of the intake (73) and adjusts the height. It is attached to (38) so that the height can be adjusted, and the height of the lower end of the brush (82) with respect to the upper surface of the feeding plate (77) is adjusted from the outside of the feeding case (38) to adjust the fertilizer delivery amount of the feeding outlet (76). It is configured.
[0017]
Further, a compressed air intake (84) that faces the air outlet (74) of the inlet plate (75) is formed in the feeding case (38), and the hollow portion of the air tank (42) and the compressed air intake (84) are formed. ) Are communicated by the diversion pipe (85), and the air blown from the blower (41) and the air tank (42) is supplied to the blowout port (74) through the pipe (85) and the intake port (84). 78) The blower outlet (76) moved to the position is blown from the blower outlet (74), and the fertilizer at the outlet (76) is forcibly dropped downward by the blown air, so that the granular fertilizer or this powder is fed into the outlet. (76) It is configured to prevent it from remaining in the area.
[0018]
Further, as shown in FIGS. 7, 10, and 15, the PTO shaft (86) that transmits the output of the engine (2) to the planting part (15) extends rearward from the mission case (4), and A bearing case (87) is welded and fixed to the left column (43), and an input shaft (88) of the bearing case (87) is interlocked and connected to the middle of the PTO shaft (86) via a chain (89). A crank plate (91) is detachably fixed to the rear end portion of the output shaft (90) of (87) by a ball lock structure. The bearing plate (51) and the case rear bracket (92) are provided with a square pipe-shaped rear frame (93), and the rear frame (93) is substantially parallel to the air tank (42) and the front frame (53). Horizontally, the rear side of the feeding case (38) is fixed to the rear bracket (92) with bolts.
[0019]
The left bearing plate (51) is pivotally supported by a feed amount adjustment lever (96) via a bracket (94) and a shaft (95), and the left bearing plate (51) is pivotally supported by a support shaft (97). The adjustment link (98) and the fulcrum link (99) are provided, the adjustment link (98) is connected to the screw portion (100) of the lever (96), and the adjustment fulcrum (101) is attached to the fulcrum link (99). The drive arm (102) is pivotally supported on the fulcrum (101). Then, by rotating the screw part (100) by rotating the lever (96) that protrudes in the direction of the driver's seat (13), the links (98) (99) rotate integrally, and the adjustment fulcrum (101) The position is changed, and an operator of the driver's seat (13) can perform a feed amount adjustment operation of the lever (102).
[0021]
Further, a feeding drive shaft (104) is rotatably supported on the rear frame (93) via a bearing plate (103), and a swing arm (105) is fixed to the drive shaft (104) to thereby drive the drive. One end of the telescopic rod (106) whose length is adjustable is connected to the arm (102), the other end of the telescopic rod (106) is connected to the swing arm (105), and the crank plate (91 ) To the drive arm (102) via the input rod (107), and the feeding drive shaft (104) from the PTO shaft (86) for planting drive via the input rod (107) and the drive arm (102). The driving force is transmitted to the plant, and a planting part (15) and a fertilizer applicator (36) are operated simultaneously and stopped by turning on and off a planting clutch (not shown), and the crank plate is connected to the output shaft (90). (9 ) To remove the drive part and lift the ascending part of the fertilizer applicator (36). The lever (96) is operated to change the position of the adjustment fulcrum (101), and the telescopic rod (106) is reciprocated. The stroke is changed steplessly and the fertilizer feed amount is continuously adjusted.
[0020]
Further, as shown in FIG. 9, a clutch shaft (109) is pivotally supported on the rear frame (93) through a one-way clutch (108) for preventing rotation, and the one-way clutch (110) is supported on the clutch shaft (109). An input link (111) is provided via the link, and a swing link (112) is fixed to the feeding drive shaft (104), and the link (112) is connected to the input link (111) via a linkage rod (113). The clutch shaft (109) is intermittently rotated in one direction by swinging the input link (111).
[0021]
Further, the fastening clutch case (114) is fixed to the feeding case (38), and the input shaft (117) is always connected to the upper end side of the feeding shaft (80) via bevel gears (115) (116). Then, a latching clutch (not shown) for connecting the input shaft (117) to the clutch shaft (109) is connected to the clutch case (114), and the latching clutch of the case (114) is provided. The clutch lever (118) and the clutch arm (119) for performing the on / off operation are distributed to the front and rear of the clutch case (114), and are provided on the rear rear part of the seedling stage (16) of the planting part (15). Via a stopper wire (122) which is stretched by the outer receiver (121) of the rear frame (98) to the planting stopper unit clutch lever (120) Wherein linking the clutch arm (119). When the planting claw stopping unit clutch lever (120) is operated to stop any of the 6 planting claws (17), the case corresponding to the planting claw (17) stopped. The fertilization operation is stopped by cutting the streak clutch of (114), and fertilization is performed only on the strip where the seedling is planted by the planting claws (17).
[0022]
Further, as shown in FIGS. 12 to 14, the left and right bearing plates (51) (on the front frame (53) and the rear frame (93) on the outer side of the attachment position of the fertilizer feed cases (38) (38) for the central two strips 51) is fixed by welding, and both ends of the front frame (53) and the rear frame (93) are integrally fixed by the left and right side frames (123) and (123), and the fertilizer feeding case (38) (38) ( 38) is attached to the front frame (53) and the rear frame (93) between the bearing plate (51) and the side frame (123), and each frame (53), (93), (123) of the square frame shape is attached to the bearing plate. (51) is divided into three equal parts in the left-right direction, and the fertilizer feeding case (38) for six strips is spanned and supported between the front and rear frames (53), (93).
[0023]
As shown in FIGS. 13, 16, and 18, the bracket (60) provided between the feeding case (38) and the front frame (53) has a long-diameter viewing hole (124) in the lateral direction. When assembling the bottom cover (66) to the feeding case (38), the phase and the like can be easily confirmed from the front side without going around the seedling mount (16) side, so as to improve the handleability of the assembling. It is configured.
[0024]
Further, as shown in FIG. 19 to FIG. 22, four pins (125) are erected and integrally formed in four directions at the uppermost position of the bottom inclined portion of the fertilizer hopper (37) formed of transparent plastic. The mesh screen (126) is detachably locked to the pin (125) from above, and the mesh screen (126) is horizontally mounted at the uppermost position of the bottom inclined portion of the hopper (37). The mesh screen (126) is formed to be approximately the same size as the horizontal cross section of the widest portion of the mesh, and the mesh screen (126) is securely fixed and supported by the pins (125). It is configured so that foreign matter can be easily removed by attaching and detaching, and the fertilizer can smoothly flow down the net (126) to eliminate the problem that the fertilizer forms a bridge.
[0025]
In addition, six fertilizer hoppers (37)... Which are independently molded into one body are connected in the left-right direction, and the upper surface opening edges of the adjacent hoppers (37) and (37) are end-face inverted U. Formed by the edge frame (127) in the form of bolts (128) ... fixed and fixed, the side height of each hopper (37) (37) connected by the edge frame (127) is made lower than the front and rear surface height, Each of the hoppers (37) for the six strips on the upper surface side of the mesh screen (126) through the upper side of the edge frame (127)... Communicates with the inside, and the adjacent hopper (37) through the upper side of the edge frame (127) It is configured to move the fertilizer to level.
[0026]
Furthermore, each fertilizer hopper (37) for the six strips into which fertilizer is put is provided with a single hopper lid (129) provided to be openable and closable at the upper surface opening, and the central lid at the central portion that closes the upper surface opening of the hopper (37) The lid (129) is formed in three parts on a member (130) and left and right lid members (131) (131) connected to the left and right sides of the central lid member (130), and a fertilizer hopper (37) The central lid member (130) is made of transparent plastic that can be seen through from the outside, and the left and right lid members (131) (131) are made of colored plastic that is hard to break, is sticky, and has impact resistance, and is transparent. Although the structure is such that the upper surface opening of the fertilizer hopper (37) is closed by plastic so that the fertilizer remaining amount can be visually confirmed, the lid (129) is strengthened by the left and right side lid members (131) (131). A structure that allows the securing and constitutes a lid (129) of a large area difficult to break than conventional without impairing the conventional transparent functional.
[0027]
Further, a fulcrum pin (133) is inserted from the outside into a boss (132) formed integrally with the side lid member (131), and the tip of the fulcrum pin (133) is detachably locked to the side surface of the fertilizer hopper (37). A hinge (134) is formed to support the fertilizer hopper (37) on both sides of the lid (129), and the lid (129) is rotated around the fulcrum pin (133) to open and close, and the fertilizer hopper (37) front surface A plastic protrusion (135) is fixed to the side, and a plastic hook (136) that is detachably engaged with the protrusion (135) is fixed to the central lid member (130), and the protrusion (135) and the hook (136) are fixed. ) To fix the lid (129) in the closed position.
[0028]
Further, a plurality of ribs (137a), (137),... Are formed in parallel on the lower surface (inner surface) side of the central lid member (130) in the left and right widths, and the fulcrum pin (133) of the central lid member (130) is supported. A blocking member (138) is formed in the full width across the rear lower surface. The ribs (137a) and (137) and the blocking member (138) are integrally formed with the central lid member (130) so as to extend substantially in parallel, and the end surface of the central lid member (130) and the ribs (137a) (137). ) And grooves (139) and (140a) (140) and (141) for fitting the end portions of the shielding member (138) are formed in the side lid member (131), and the central lid member (130) and the rib (137a) are formed. ) (137)... And both ends of the shielding member (138) are fitted into the grooves (139) and (140a) (140) and (141). The left and right lid members (131) and (131) are bonded and fixed to both sides of the member (130).
[0029]
Further, when the lower end side of the shielding member (138) is bent back into a hook shape and the lid (129) is opened around the fulcrum pin (133) as shown in phantom lines in FIGS. The gap (142) between the opening edge of the hopper (37) and the central lid member (130) is closed by the blocking member (138), and the lid (129) is erected on one side of the fertilizer hopper (37) from the other side. The fertilizer to be thrown in is prevented from splashing to the opposite side, and the fertilizer that has collided with the lid (129) is prevented from falling downward from the gap (142) between the lid (129) and the fertilizer hopper (37), and is blocked. The fertilizer remaining on the upper surface of the closing member (138) is configured to fall into the hopper (37) when the lid (129) is closed.
[0030]
As shown in FIGS. 1, 23, and 24, the lid (129) is provided so that it can be opened to a maximum of 90 degrees or more and can be held at an arbitrary position in the closing direction from the 90 degrees vertical open position. 37) The base end side of the rod-shaped stand (144) is rotatably attached to the left and right outermost walls of the lid (129) via the shaft (143), and the inner surface of the side lid member (131) which is the left and right outer walls of the lid (129). A plurality of protruding engaging portions (146a) (146b) (146c) for inserting the bent insertion portion (144a) at the tip of the stand (144) into the engaging hole (145) are integrally formed, and the hopper (37) The stand (144) is disposed in the gap (147) between the left and right outermost walls and the side lid member (131) of the lid (129). When the bent portion (144a) of the stand (144) is inserted into the engagement hole (145) of the engagement portion (146a) at the maximum distance from the fulcrum pin (133), the lid (129) is at the minimum opening angle. The opening angle is increased within 90 degrees so that it is inserted into the engagement hole (145) of the engagement portion (146b) (146c) located near the fulcrum pin (133). When inserted into the engaging hole (145) of the closest engaging portion (146d), the lid (129) is held at a maximum opening angle of 90 degrees or more. Thus, when supplying fertilizer other than rainy weather, the lid (129) is fully opened to the maximum opening angle to perform good replenishment work without being affected by the lid (129). The replenishment work is performed while preventing the rainwater from entering the hopper (37) by making the angle small. In addition, the structure which opens an engagement hole (145) directly to the said lid | cover (129), and inserts the insertion part (144a) of a stand (144) may be sufficient.
[0031]
Further, as shown in FIGS. 1, 21 and 24, the lid (129) is provided with a character-shaped casing (148) in a side view on the front side (130a) on the open side, and the lid (129) is attached during rainy weather work. Even when the hopper (37) is opened, the upper part of the hopper (37) is covered with a casing (148) to prevent rainwater from entering the hopper (37). (130a) is pivotally provided for each one or two or three units via a pivot shaft (149), and is provided with a casing (148) for the hopper (37) of the one or unit for supplying fertilizer. ) Is rotated upward so that the fertilizer replenishment work can be performed in good rain without disturbing the replenishment (148).
[0032]
As shown in FIGS. 4, 6, 25, and 26, the two transfer hoses (40) are bundled by the hand joint (150) to prevent the hose (40) from being obstructed or damaged. The hose band (151) that binds the adjacent two hoses (40) to each other is inserted back-to-back into the engagement hole (152) of the rectangular tubular joint (150), and the notch surface on the front side ( 151a) is engaged with the notch locking portion (152a) at one end of the engagement hole (152), and the two hoses (40) are bundled as one set, and one hose (40) is replaced by one on one side. Even when the hose (40) is removed, by leaving the band (151) on the other hose (40) side, powder of the band (151) is prevented and the hose (40) is returned to its original position. Configured to make it easy to fasten To have. The band joint (150) may be configured to integrally hold the three hose bands (151).
[0033]
27 to 29 show a lid structure that is not affected by wind when the lid (129) is opened. FIG. 27 shows the hopper (37) when the lid (129) is fully opened. A stand (144A) for connecting between the lids (129) is provided, and a structure example in which the lid (129) does not fall down even when wind blows is shown.
[0034]
FIG. 28 shows a rail fitting in which the upper ends of the left and right outermost walls (37a) of the hopper (37) are formed in the spherical rail portion (153), and the rail portion (153) is fitted to the inner side surface of the hopper lid (129). The part (154) is formed integrally, and the hopper lid (129) is slidably fitted to the hopper (37) through the rail part (153) and the fitting part (154) so as to be slidable in the front-rear direction. The slide (129) is opened and closed, and the lid (129) is opened without being affected by the wind.
[0035]
Further, in FIG. 30, the hopper lid (129A) that covers the opening of the hopper (37) is formed in a semicircular shape, and the hopper (37) is approximately 90 degrees through the support member (155) of the hopper (37). When rotating along the outer wall, the lid (129A) is set to the maximum open state, and the lid (129A) that is not affected by the wind is opened.
[0036]
【The invention's effect】
As is apparent from the above embodiments, the invention according to claim 1 is a hopper lid (129) for closing an upper opening of the fertilizer hopper so as to be openable and closable in a fertilizer hopper (37) for storing fertilizer and chemicals. In a hopper device comprising a stand (144) for fixing and holding the hopper lid (129) in an arbitrarily open position , a shaft (143) is attached to the outermost wall of the fertilizer hopper (37). The base end side of the stand (144) is rotatably attached to the stand (144) in the gap (147) between the outer wall of the fertilizer application hopper (37) and the side portion of the hopper lid (129). A plurality of protruding engagement portions (146a) (146b) (146c) (146d) are formed on the inner surface of the side portion of the hopper lid (129), and the insertion portion (144a) on the distal end side of the stand (144) is formed. ) And configured to fit section (146a) (146b) (146c ) engaging holes of (146d) (145). Therefore, the hopper lid (129) is opened to within 90 degrees or more than 90 degrees to perform fertilizer replenishment, etc., and the infiltration of rainwater into the fertilizer hopper (37) is minimized to stabilize the fertilization work. Improvements can be made.
[0037]
Further, in the invention according to claim 2, the hopper lid is rotatably connected to the hopper via a fulcrum pin (133), and the insertion portion (144a) of the stand (144) is connected to the fulcrum pin (133). When fitting into the engagement hole (145) of the engagement portion (146a) at a position farthest away, the hopper lid (129) is held at the minimum opening angle, while being closest to the fulcrum pin (133). When the insertion portion (144a) of the stand (144) is fitted into the engagement hole (145) of the engagement portion (146d), the hopper lid (129) is held at an opening angle of 90 degrees or more. Therefore, it is possible to improve the stability of the fertilization work.
[0038]
Furthermore, the invention according to claim 3 is such that the housing (148) is attached to the open-side front surface portion (130a) of the hopper lid (129). (129) and the housing (148) cover the top of the hopper opening, and can prevent rainwater from entering the fertilizer hopper (37) .
[Brief description of the drawings]
FIG. 1 is a side view of a hopper.
FIG. 2 is a side view of the whole.
FIG. 3 is a plan view of the same.
FIG. 4 is a plan view of a fertilizer applicator unit.
FIG. 5 is a rear view of the same.
FIG. 6 is an explanatory view of the same side.
FIG. 7 is an explanatory side view of an elevating rail part.
FIG. 8 is a side explanatory view of a fertilizer feeding case part.
FIG. 9 is an explanatory plan view of a fertilizer feeding case portion.
FIG. 10 is a rear view of the base frame portion.
FIG. 11 is a rear view of the fertilizer feeding case portion.
FIG. 12 is an explanatory side view of the bearing plate portion.
FIG. 13 is an explanatory plan view of a handle part.
FIG. 14 is an explanatory view of the back side.
FIG. 15 is an explanatory side view of the same.
FIG. 16 is a sectional side view of a fertilizer feeding case.
FIG. 17 is an explanatory rear sectional view of the same section.
FIG. 18 is an explanatory plan view of the same section.
FIG. 19 is a cross-sectional side view of a hopper.
FIG. 20 is a cross-sectional rear view of the hopper.
FIG. 21 is an explanatory plan view of a hopper lid.
FIG. 22 is an explanatory plan view of a hopper lid.
FIG. 23 is an explanatory diagram of a stand.
FIG. 24 is an explanatory view of the rotation of the housing.
FIG. 25 is an explanatory diagram of a hose band.
FIG. 26 is an explanatory diagram of a band joint.
FIG. 27 is an explanatory diagram of a maximum opening stand.
FIG. 28 is an explanatory diagram of a sliding hopper lid.
FIG. 29 is an explanatory diagram of a rotating hopper lid.
[Explanation of symbols]
(37) Hopper (129) Hopper lid (130a) Front surface part (133) Support pin (143) Shaft (144) Stand (144a) Stand insertion part (145) Engagement holes (146a) to (146d) Engagement part (147) Gap (148) Housing

Claims (3)

肥料及び薬剤を貯留する施肥ホッパに、前記施肥ホッパの上方開口部開閉自在に閉塞するためのホッパ蓋を回動自在に連結し前記ホッパ蓋を任意開放位置に固定保持するスタンドを備えてなるホッパ装置において、
前記施肥ホッパの外側壁に軸を介して前記スタンドの基端側を回動自在に取付け、前記施肥ホッパの外側壁とホッパ蓋の側部との間の隙間に前記スタンドを配置し、前記ホッパ蓋の側部内面に複数の突状係合部を形成し、前記スタンド先端側の挿入部を突状係合部の係合孔に嵌合するように構成したことを特徴とする農用ホッパ装置。
Fertilization hopper for storing a fertilizer and agents, provided with a stand, wherein the hopper lid for closing freely open and close the upper opening of the fertilizer hopper rotatably connected, fixed and held the hopper lid optionally open position In the hopper device
A base end side of the stand is rotatably attached to an outer wall of the fertilizer hopper via a shaft, the stand is disposed in a gap between an outer wall of the fertilizer hopper and a side portion of a hopper lid, and the hopper Agricultural hopper device characterized in that a plurality of projecting engaging portions are formed on the inner surface of the side portion of the lid, and the insertion portion on the stand tip side is fitted into the engaging hole of the projecting engaging portion. .
前記ホッパ蓋を前記施肥ホッパに支点ピンを介して回動可能に連結し、前記スタンドの挿入部を前記支点ピンより最大離れた位置の前記係合部の係合孔に嵌合するとき、前記ホッパ蓋を最小開放角度で保持する一方、前記支点ピンに最接近する前記係合部の係合孔に前記スタンドの挿入部を嵌合するとき、前記ホッパ蓋を90度以上の開放角度で保持するように構成したことを特徴とする請求項1に記載の農用ホッパ装置。 When the hopper lid is rotatably connected to the fertilizer hopper via a fulcrum pin, and the insertion portion of the stand is fitted into the engagement hole of the engagement portion at a position farthest from the fulcrum pin, While holding the hopper lid at a minimum opening angle, the hopper lid is held at an opening angle of 90 degrees or more when the insertion portion of the stand is fitted into the engagement hole of the engagement portion closest to the fulcrum pin. The agricultural hopper device according to claim 1, wherein the agricultural hopper device is configured as described above. 前記ホッパ蓋の開放側前面部に、庇体を取付けたことを特徴とする請求項1又は2に記載の農用ホッパ装置。  The agricultural hopper device according to claim 1 or 2, wherein a housing is attached to the open front portion of the hopper lid.
JP30731996A 1996-10-31 1996-10-31 Agricultural hopper equipment Expired - Fee Related JP3647578B2 (en)

Priority Applications (1)

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JP30731996A JP3647578B2 (en) 1996-10-31 1996-10-31 Agricultural hopper equipment

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Application Number Priority Date Filing Date Title
JP30731996A JP3647578B2 (en) 1996-10-31 1996-10-31 Agricultural hopper equipment

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JPH10127125A JPH10127125A (en) 1998-05-19
JP3647578B2 true JP3647578B2 (en) 2005-05-11

Family

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JP30731996A Expired - Fee Related JP3647578B2 (en) 1996-10-31 1996-10-31 Agricultural hopper equipment

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Publication number Priority date Publication date Assignee Title
JP4002281B2 (en) * 2005-09-08 2007-10-31 ヤンマー農機株式会社 Passenger rice transplanter
JP2006217920A (en) * 2006-04-12 2006-08-24 Yanmar Agricult Equip Co Ltd Rice transplanter

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