JP3853435B2 - Rice transplanter - Google Patents

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Publication number
JP3853435B2
JP3853435B2 JP21926096A JP21926096A JP3853435B2 JP 3853435 B2 JP3853435 B2 JP 3853435B2 JP 21926096 A JP21926096 A JP 21926096A JP 21926096 A JP21926096 A JP 21926096A JP 3853435 B2 JP3853435 B2 JP 3853435B2
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Prior art keywords
fertilizer
clutch
fixed
shaft
frame
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JP21926096A
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JPH1042633A (en
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田 裕 一 竹
藤 祐 一 加
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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関する。
【0002】
【発明が解決しようとする課題】
従来、肥料繰出部を有する複数組の施肥ホッパなどを左右方向に配設させる施肥装置を備えた田植機における、苗載台に設けるユニットクラッチレバーと、本機側の施肥部に設ける条止めクラッチとをクラッチワイヤで連動連結する手段にあって、植付部の脱着を行う場合に、クラッチワイヤはインナワイヤのみでなくアウタチューブまでも取外しする必要があり、アウタチューブがネジ止めの場合、脱着の都度再調節を必要とするなどの手間の煩わしさがあった
【0003】
【課題を解決するための手段】
然るに本発明は、植付部の苗載台(16)の上側背面部に設けた植付け条止め用のユニットクラッチレバー(120)と本機側車体フレーム(3)後端上部の施肥部に横架させた後面フレーム(93)に設けた肥料繰出ケース(38)の条止めクラッチとを施肥クラッチワイヤ(158)を介し連動連結した田植機において、
前記クラッチワイヤ(158)のアウタチューブ(160)をユニットクラッチレバー(120)のレバーボックス(161)と前記後面フレーム(93)に取付けるアウタ受け(162)との間に設け、後面フレーム(93)に固設したワンタッチ取付体である多角筒体(163)に対してアウタ受け(162)の多角軸部(162a)を取外し自在に固定させて、植付部の脱着時にはワンタッチ操作によって前記クラッチワイヤのアウタ受けごと取外し或いは取付けを行って再調節の必要のない、植付部の容易な脱着を可能とさせるものである。
【0004】
【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。
【0005】
また、図中(15)は8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。
【0006】
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8条用の側条施肥部である。
【0007】
さらに、図3、図4に示す如く、肥料を入れる肥料タンクである中央の固定側施肥ホッパ(37)及び左右の収納側施肥ホッパ(371)(372)と、肥料を定量供給する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、前記施肥部(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、8条分の8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。
【0008】
さらに、図5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)を介して施肥部(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)を介して施肥部(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部(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)に施肥部(36)重量を支持させるもので、図8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。
【0009】
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、施肥部(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、施肥部(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。
【0010】
さらに、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、施肥部(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)を取付け、軸受板(51)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、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。
【0011】
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6条分3ユニットの繰出ケース(38)…を左右に並設させ、さらに左右機外側に左右の収納側繰出ケース(381)(382)を並設させている。
【0012】
さらに、図12に示す如く、前記繰出ケース(38)(381)(382)の上面前側の取入口(61)に前記ホッパ(37)(371)(372)の下部出口(62)を嵌着させると共に、前記繰出ケース(38)(381)(382)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、このときに施肥部(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。
【0013】
また、前記繰出ケース(38)下面に閉塞レバーを介して底蓋(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)の外壁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。
【0014】
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)…を有する繰出ロールである繰出板(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、出口板(79)下面に下方側からバネ(81)を弾圧させ、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。
【0015】
さらに、図6、図9、図11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。
【0016】
また、前記左の軸受板(51)にブラケット(94)及び軸(95)を介して単一の調量部材である繰出量調節レバー(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。
【0017】
また、前記後面フレーム(93)に軸受板(103)を介して施肥動力伝達系繰出駆動軸(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)に駆動力を伝えるように構成している。
【0018】
さらに、図8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。
【0019】
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(116)を介してクラッチ軸(109)を常時連結させるもので、繰出軸(80)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)に条止め用の施肥クラッチワイヤを介して前記クラッチアーム(119)を連結させる。
【0020】
さらに、図8、図13、図14に示す如く、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)の左右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。
【0021】
さらに、図13乃至図21に示す如く、前記ステップ(11)を取付けるステップフレームを介して受面である補助ステップ(124)を設け、車体カバー(12)後部両側に左右補助ステップ(124)(124)を配設させると共に、中央の固定側エアタンク(42)両側に左右略同一形状の収納側エアタンク(421)(422)を連設させ、固定側エアタンク(42)端部に固定ブラケット(125)を一体固定させ、収納側エアタンク(421)(422)に可動ブラケット(126)を一体固定させ、固定ブラケット(125)の長孔(127)に回動及び摺動自在に挿通させる支点部材である水平回動支点軸(128)を可動ブラケット(126)に回転自在に取付け、前記支点軸(128)回りに収納側エアタンク(421)(422)を水平回転させかつ長孔(127)の案内によって収納側エアタンク(421)(422)を水平移動させ、補助ステップ(124)上面に収納側エアタンク(421)(422)を折畳み自在に構成している。また、右の収納側エアタンク(422)端部に前記送風機(41)を取付け、送風機(41)から各タンク(422)(42)(421)内に空気を圧送し、該空気によって肥料を搬出する施肥作業を行うように構成している。
【0022】
さらに、前記サイドフレーム(123)にロックピン(129)(129)及びパッチン錠(130)(130)を介して左右フレーム(131)(131)を着脱自在に連結させ、前フレーム(53)及び後面フレーム(93)と略同形の分割フレーム(132)(133)を左右フレーム(131)(131)と外側フレーム(134)(134)の間に一体固定させ、分割フレーム(132)(133)に左右繰出ケース(381)(382)を固定させると共に、固定側クラッチ軸(109)端部の係合部材であるクラッチ板(136)に左右繰出ケース(381)(382)の繰出軸(135)(135)の係合部材である爪体(137)をバネ(138)を介して着脱自在に連結させ、クラッチ軸(109)からクラッチ板(136)及び爪体(137)を介して左右繰出ケース(381)(382)に繰出し駆動力を伝えるように構成している。
【0023】
さらに、前記収納側エアタンク(421)(422)に係合筒(139)(139)を一体固定させ、左右フレーム(131)(131)及び外側フレーム(134)(134)に固定ピン(140)(140)を一体固定させ、該固定ピン(140)(140)を前記係合筒(139)(139)に出入自在に上方側から遊嵌挿入させ、固定ピン(140)(140)を係合筒(139)(139)に差込むと共に、補助ステップ(124)上面に当接させる脚フレーム(141)を収納側エアタンク(421)(422)に一体固定させ、左右フレーム(131)(131)に固定用ステー(142)上端側を一体固定させ、前記ステー(142)下端側を脚フレーム(141)上面に当接させ、上下に重ねた前記ステー(142)及び脚フレーム(141)をノブボルト(143)によって補助ステップ(124)上面に着脱自在に固定させると共に、前記ノブボルト(143)を取外して左右フレーム(131)(131)及び外側フレーム(132)(132)を上方に持上げ、係合筒(139)からピン(140)を抜出し、収納側ホッパ(371)(372)及び繰出ケース(381)(382)を収納側エアタンク(421)(422)に対して分離させるように構成している。
【0024】
また、前記固定ブラケット(125)に収納固定板(144)を一体形成し、前記脚フレーム(141)及び固定用ステー(142)をネジ部材であるノブボルト(143)によって補助ステップ(124)に固定させたとき、前記収納固定板(144)に可動ブラケット(126)をノブボルト(145)によって固定させ、補助ステップ(124)上面に2本のノブボルト(143)(145)によって収納側エアタンク(421)(422)を固定させ、収納側施肥ホッパ(371)(372)及び繰出ケース(381)(382)を収納側エアタンク(421)(422)に支持させるように構成している。
【0025】
このように、前記施肥部(36)を中央の固定側ホッパ(37)及び繰出ケース(38)及びエアタンク(42)と、左右最外側の収納側ホッパ(371)(372)及び繰出ケース(381)(382)及びエアタンク(421)(422)によって形成し、これら収納側ホッパ(371)(372)及び繰出ケース(381)(382)及びエアタンク(421)(422)を収納自在に設けて、収納時には走行車機体である補助ステップ(124)に固定させるもので、収納位置の収納側ホッパ(371)(372)及び繰出ケース(381)(382)及びエアタンク(421)(422)を支持させる部材を施肥部(36)側から突設させる必要がなく、また収納位置の収納側ホッパ(371)(372)及び繰出ケース(381)(382)及びエアタンク(421)(422)の支持強度を容易に確保するように構成している。
【0026】
さらに、前記固定側エアタンク(42)両端にフランジ(146)(146)を一体固定させ、前記収納側エアタンク(421)(422)にフランジ(147)(147)を一体固定させ、ノブボルト(143)によって対向する各フランジ(146)(147)を締付け固定し、各フランジ(146)(147)を直接当接させ、固定側エアタンク(42)両端に収納側エアタンク(421)(422)を固定させると共に、収納側エアタンク(421)(422)の弾性ゴム製の空気もれ防止パッキン(148)に輪形突条(149)を形成し、固定側エアタンク(42)の弾性ゴム製の空気もれ防止パッキン(150)に前記突条(149)を圧着させ、前記突条(149)の圧着変形によって前記各パッキン(148)(150)を密着させるもので、前記各フランジ(146)(147)を直接当接させて固定することにより、収納側エアタンク(421)(422)側の重量によって収納側エアタンク(421)(422)が固定側エアタンク(42)との接合部分で下方に折曲がるのを防止し、各パッキン(148)(150)接合部の下方側が必要
以上に圧縮されたり上方側が離反する不具合をなくすように構成している。
【0027】
図15乃至図19に示す如く、前記ロックピン(129)(129)はサイドフレーム(123)のクラッチ(109)を挾んだ上下2箇所位置に突設させ、該ロックピン(129)(129)に係合するピン孔(129a)(129a)を左右フレーム(131)(131)に開設させると共に、前記パッチン錠(130)(130)はピン孔(129a)(129a)に直交する左右フレーム(131)(131)の2箇所の前後折曲部(131a)(131b)に設け、該錠(130)(130)の係合するフック部(123a)(123b)を左右フレーム(123)(123)の対向位置に設けて、収納側繰出ケース(381)(382)を作業位置に拡張時にロックピン(129)(129)でもって位置決めを行うと共に、パッチン錠(130)(130)によって本体側の繰出ケース(38)(38)に確実に固定するように構成している。
【0028】
図4及び図22にも示す如く、前記繰出軸(80)に駆動力を伝達する繰出駆動軸(104)は固定側施肥部(36)の全横幅(W)内に配置させると共に、駆動軸(104)の回転割合を変化させて肥料繰出量を調節する単一の繰出量調節レバー(96)を固定側施肥部(36)に設けて、左右施肥部(361)の折畳み収納時にその都度駆動軸(104)の左右両端側や調節レバー(96)のリンク(98)(99)及びアーム(102)(105)及びロッド(106)などの操作リンク系(151)の一部を取外す必要なく、全横幅(W)内にこれら駆動軸(104)やリンク系(151)を常に安定保持させた状態で折畳みを可能とさせて、左右施肥部(361)の折畳み及び拡張時には前記クラッチ板(136)と爪体(137)の接合及び接合解除によってこの駆動の連結及び連結解除を自動的に行うように構成している。
【0029】
図19及び図23に示す如く、前記クラッチ板(136)は固定側クラッチ軸(109)の端部に固設して、円形外周部に等間隔の4つの切欠き係合溝(136a)を形成すると共に、前記爪体(137)は収納側繰出軸(135)の4角軸部(135a)に摺動自在に嵌合して、前記係合溝(136a)に係入する4つの係合爪(137a)を爪体端面に形成し、常時は圧縮バネ(138)でクラッチ板(136)側へのバネ力を付勢され、左右施肥部(361)の折畳み時には、左右フレーム(131)にボルト止めするストッパ(152)と、爪体(137)外周面に形成する外周溝(153)との係合によって、繰出軸(135)より爪体(137)が脱落するのを防止している。
【0030】
また、前記クラッチ軸(109)の軸端に先端をテーパ面(154a)とするガイド部である突状ガイド(154)を一体形成すると共に、前記繰出軸(135)の軸端に陥没穴を形成して、該穴に防錆製のガイド部であるブッシュ(155)を埋設して、前記クラッチ板(136)と爪体(137)の一体接合に際しては、前記ガイド(154)とブッシュ(155)とを先に係合させてクラッチ軸(109)と繰出軸(135)との間に多少のズレがある場合でも自動的にこれら軸(109)(135)の芯合せを行ってクラッチ板(136)と爪体(137)のスムーズな一体接合を可能とさせるように構成している。
【0031】
さらに、図24及び図22に示す如く、植付爪(17)及び肥料繰出ケース(47)を2条1ユニットとして各ユニット毎にオンオフ操作するユニットクラッチレバー(120)…を苗載台(16)の裏面上方に配設させ、多条植え用の植付爪(17)の一部を停止させて苗の植付条数を減少させるユニットクラッチレバー(120)操作により、多条施肥用の肥料繰出ケース(38)の一部も同時に停止させると共に、苗縦送部材(図示省略)をオンオフさせる縦送クラッチワイヤ(156)、並びに植付爪(17)をオンオフさせる植付爪クラッチワイヤ(157)をユニットクラッチレバー(120)の下方向に取付けると共に、肥料繰出ケース(48)をオンオフさせる施肥クラッチワイヤ(158)をユニットクラッチレバー(120)の横方向に取付け、1ユニット2条分のクラッチアーム(119)にワイヤ止め(159)を介して着脱自在にクラッチワイヤ(158)の他端側を連結させて、ユニットクラッチレバー(120)のオンオフ操作時に肥料繰出ケース(48)の条止めクラッチも略同時にオンオフするように構成している。
【0032】
また、前記クラッチワイヤ(158)のアウタチューブ(160)をクラッチレバー(120)のレバーボックス(161)と後面フレーム(93)に取付けるアウタ受け(162)との間に設けるもので、後面フレーム(93)に固設するワンタッチ式取付体である4角形など多角筒体(163)に対してアウタ受け(162)の多角軸部(162a)を挿入してピン(164)でもってその位置を固定させ、植付部(15)取外し時などにおける施肥クラッチワイヤ(158)の取外し時には、アウタ受け(162)ごとワンタッチ操作でもって多角筒体(163)より取外して、植付部(15)の装着の都度アウタチューブ(160)の調節を必要とすることのない取付けを可能とさせるように構成している。
【0033】
図26及び図27に示すものは、左右最外側の各2条分のホッパ(373)及び繰出ケース(383)及びエアタンク(423)を4条分の固定側ホッパ(37)及び繰出ケース(38)及びエアタンク(42)前方位置の左右両側に折畳み可能に設けたもので、固定側のエアタンク(42)及び前フレーム(53)に固設するブラケット(165)に収納側のエアタンク(423)及び分割フレーム(132)に固設するブラケット(166)を回動支点軸(128)を介して折畳み自在に連結させ、繰出駆動軸(104)を固定側の中央駆動軸(104a)と収納側の左右駆動軸(104b)とに分割し、繰出量調節レバー(96)を固定側の中央駆動軸(104a)に設け、該中央駆動軸(104a)の両端に左右駆動軸(104b)を摺動継手(167)を介し接離自在に連結させている。
【0034】
前記継手(167)は各駆動軸(104a)(104b)端の4角形など多角軸部(104c)(104d)に摺動自在に嵌合し、左右エアタンク(423)を折畳んだ分離時は中央駆動軸(104a)側の軸部(104c)にR形の係止ピン(168)で位置保持されると共に、左右エアタンク(423)を使用位置に拡張させた接合時には左右駆動軸(104b)の多角軸部(104d)まで継手(167)を摺動して該軸部(104d)のピン孔(169)に係止ピン(168)を挿入して、この継手(167)でもって駆動軸(104a)(104b)の連結を図るように構成したものである。
【0035】
図28乃至図30のものは、従来の固定側施肥部(36)の前端横ライン(L)より後方に折畳み長さを大に収納側の左右施肥部(361)を折畳みして、作業者乗降用のステップ(11)上方に収納側の左右施肥部が折畳みされることを回避させて、ステップ(11)を有効使用する構成例を示すもので、図28のものは左右最外側1条分のホッパ(371)(372)及び繰出ケース(381)(382)及びエアタンク(421)(422)など施肥部(361)を、中央固定側の施肥部(36)より後方に折畳み収納するように設けたものである。
【0036】
また、図29のものは左右外側の各3条分の施肥部(363)を固定側の2条分の施肥部(36)に対し、左右両側で前後長手状にそれぞれ折畳みするもので、前記横ライン(L)より収納側の施肥部(363)の略1条分を前方に、また略2条分を後方に位置させる状態に折畳みして、これら全施肥部(36)の折畳み時の全横幅の縮小と前後バランスの安定化を図るように設けたものである。
【0037】
さらに図30及び図31のものは、8条分の施肥部(36)を中央で分割して左右各4条分の施肥部(364)を運転席(13)後方の左右両側に前後長手状に折畳みすると共に、苗載台(16)及び植付ケース(20)など植付部(15)も中央で分割して、左右各4条分の植付部(15a)を左右両側で前後長手状に折畳みするように設けたもので、各施肥部(364)のうち略1条分を使用時の施肥部(36)の前端横ライン(L)より前方に、また略3条分をライン(L)より後方に位置させる状態に折畳んで、植付部(15)と施肥部(36)両方のコンパクトな折畳みを行うように構成している。また折畳みされた左右各4条分の施肥部(364)は、該施肥部(364)のエアタンク(424)の前部をステー(170)を介し本機側の車体フレーム(3)に、またエアタンク(424)の後部をステー(171)を介し折畳みされた苗載台(16)のリブ(16a)に支持して、片持ちとさせることなく本機と苗載台(16)との2点で施肥部(364)を安定且つ確実に支持して、路上走行(特に悪路)などでの破損を防止するように構成している。
【0038】
またこのような施肥部(364)が本機と苗載台(16)との2点で支持される折畳み時にあっては、植付部(15)の昇降をロックをして昇降による植付部(15)や施肥部(364)の破損を防止するもので、図32に示す如く前記昇降シリンダ(28)とエンジン(2)によって駆動する油圧ポンプ(172)との昇降油圧回路(173)に、昇降シリンダ(28)を昇降操作するソレノイド式上昇及び下降バルブ(174)(175)を有する昇降バルブユニット(176)と、昇降油圧ロック装置であるソレノイド式2位置切換弁(177)とを設けて、左右施肥部(364)の折畳みを折畳検出スイッチ(178)で検出するとき、前記切換弁(177)を切換えて植付部(15)の昇降を停止させて位置保持するように構成している。
【0039】
【発明の効果】
以上実施例から明らかなように本発明は、植付部の苗載台(16)の上側背面部に設けた植付け条止め用のユニットクラッチレバー(120)と本機側車体フレーム(3)後端上部の施肥部に横架させた後面フレーム(93)に設けた肥料繰出ケース(38)の条止めクラッチとを施肥クラッチワイヤ(158)を介し連動連結した田植機において、
前記クラッチワイヤ(158)のアウタチューブ(160)をユニットクラッチレバー(120)のレバーボックス(161)と前記後面フレーム(93)に取付けるアウタ受け(162)との間に設け、後面フレーム(93)に固設したワンタッチ取付体である多角筒体(163)に対してアウタ受け(162)の多角軸部(162a)を取外し自在に固定させたものであるから、植付部(15)の脱着時にはワンタッチ操作によって前記クラッチワイヤ(158)のアウタ受け(162)ごと取外し或いは取付けを行って、都度アウタチューブ(160)の再調節の必要のない、植付部の容易な脱着を可能とさせることができるものである。
【図面の簡単な説明】
【図1】全体の側面図。
【図2】同平面図。
【図3】施肥部の平面図。
【図4】同背面図。
【図5】同側面説明図。
【図6】昇降レール部側面説明図。
【図7】肥料繰出ケース部の側面説明図。
【図8】肥料繰出ケース部の平面説明図。
【図9】ベースフレーム部の背面説明図。
【図10】肥料繰出ケース部の背面説明図。
【図11】繰出駆動入力部の同側面説明図。
【図12】肥料繰出ケースの断面側面説明図。
【図13】施肥部右側の平面図。
【図14】施肥部左側の平面図。
【図15】施肥部右側の折畳み説明図。
【図16】施肥部左側の折畳み説明図。
【図17】施肥部右側の拡大平面図。
【図18】施肥部左側の拡大平面図。
【図19】左繰出ケース連結部の背面図。
【図20】左エアタンク連結部の平面図。
【図21】図20の拡大図。
【図22】施肥部の平面説明図。
【図23】クラッチ板と爪体の説明図。
【図24】ユニットクラッチレバー部の説明図。
【図25】アウタ受け部の説明図。
【図26】施肥部の折畳み説明図。
【図27】繰出駆動軸の継手部の説明図。
【図28】施肥部の折畳みの変形構造例を示す平面説明図。
【図29】施肥部の折畳みの変形構造例を示す平面説明図。
【図30】施肥部の折畳みの変形構造例を示す側面説明図。
【図31】施肥部の折畳みの変形構造例を示す平面説明図。
【図32】油圧回路図。
【符号の説明】
(1) 走行車
(36)(361) 施肥部
(38) 繰出ケース(繰出部)
(96) 調節レバー(調量部材)
(104) 繰出駆動軸(施肥動力伝達系)
(120) ユニットクラッチレバー
(136) クラッチ板(係合部材)
(137) 爪体(係合部材)
(154) 突状ガイド(ガイド部)
(155) ブッシュ(ガイド部)
(158) クラッチワイヤ
(162) アウタ受け
(163) 筒体(取付体)
[0001]
BACKGROUND OF THE INVENTION
The present invention includes, for example, a seedling stage and a planting claw, and continuously performs seedling planting work.Rice transplanterAbout.
[0002]
[Problems to be solved by the invention]
Conventionally, a rice transplanter equipped with a fertilizer application device that arranges multiple sets of fertilizer hoppers with fertilizer feed-out portions in the left-right directionCanIn the means for interlockingly connecting the unit clutch lever provided on the seedling stand and the streak clutch provided on the fertilizer section on the machine side with a clutch wireIsWhen attaching and detaching the planting part, it is necessary to remove not only the inner wire but also the outer tube, and if the outer tube is screwed, it is necessary to readjust each time it is attached or detached. Sagathere were.
[0003]
[Means for Solving the Problems]
However, the present inventionA rear frame horizontally mounted on a fertilizer at the rear end upper portion of a plant clutch body unit frame (3) and a unit clutch lever (120) for planting strips provided on the upper rear surface of the seedling mount (16) of the planting unit In the rice transplanter in which the fertilizer feeding case (38) provided in (93) is linked and interlocked via the fertilizer clutch wire (158),
The outer tube (160) of the clutch wire (158) is provided between the lever box (161) of the unit clutch lever (120) and the outer receiver (162) attached to the rear frame (93), and the rear frame (93). The polygonal shaft portion (162a) of the outer receiver (162) is detachably fixed to the polygonal cylinder (163) which is a one-touch attachment body fixed to theOne-touch operation when removing and attaching the planting partSaidBy removing or attaching the outer receiver of the clutch wire, it is possible to easily remove and attach the planting portion without the need for readjustment.
[0004]
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 passenger rice transplanter, and FIG. 2 is a plan view thereof. In FIG. 1, (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) for supporting the front wheel (6) for paddy field travel in front of the transmission case (4), and a rear axle case (7) connected to the rear of the gear transmission case (4), Paddy field traveling rear wheels (8) are supported on the rear axle case (7). 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., and a driver's seat (13) is attached to the upper part of the vehicle body cover (12).
A steering handle (14) is provided at the rear of the net (9).
[0005]
In the figure, (15) is a planting section equipped with a seedling stand (16) for planting eight rows and a plurality of planting claws (17), etc. A rotary case (21) that supports the seedling stage (16) on the planting case (20) through the lower rail (18) and the guide rail (19) so as to be slidable in the left-right reciprocating manner and is rotated 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), and the claw case (22) ( 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.
[0006]
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 strip fertilizer for eight strips.
[0007]
Further, as shown in FIG. 3 and FIG. 4, a fixed fertilizer hopper (37) at the center, which is a fertilizer tank into which fertilizer is to be placed, and left and right storage-side fertilizer hoppers (371) (372), A certain fertilizer feeding case (38), a turbo blower type blower (41) for discharging fertilizer to a side grooved device (39) of a float (34) (35) via a flexible conveying hose (40), and a cylinder The air tank (42) having a shape is provided in the fertilizer (36), and air
A blower (41) is attached to the right end of the tank (42), and eight sets of fertilizer feed cases (38) for eight strips are arranged on the upper side of the air tank (42).
[0008]
Further, as shown in FIGS. 5 to 11, left and right base frames (45) and (45) are attached to both sides of a horizontal frame (44) that lies horizontally between the upper ends of the left and right columns (43) at the rear end of the body frame (3), A fertilizer section (36) is provided through 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) through 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 section (36) is attached to be movable up and down via the four lifting rails (48), (48), (49), and (49) in a pair of left and right pairs. Two The fertilizer portion (36) is attached to the rear spring case (7) to be disposed at the rear end portion of the vehicle body frame (3), and the weight of the fertilizer portion (36) is supported by the springs (50) and (50). As shown in FIG. 8, a bearing plate (51) is provided so as to oppose the front and rear elevating 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.
[0009]
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 a gas spring (50) is connected to the position of the center of gravity in the front-rear width direction of the fertilizer section (36), and the stretch is substantially equal to or slightly smaller than the weight of the fertilizer section (36). The gas spring (50) is configured to have a force.
[0010]
Further, the left and right bearing plates (51) (51) are integrally fixed by a round pipe-shaped front frame (53), and the handle (54) gripped by the operator when lifting the fertilizer (36) is attached to the front frame ( 53) is fixed by welding to the left and right bearing plates (51) and (51) via the support shafts (55) and (55), and the left and right lock levers (56) and (56) are rotatably supported. The front portions of the left and right bearing plates (51) and (51) are locked to the lift rails (48) and (48) via the left and right lock levers (56) and (56), and the rear left and right lift rails (49) and (49) The left and right lock pins (57) and (57) are attached to the bearing plate (51), and the lock pin (57) is detachably engaged with the left and right lifting rails (49) and (49). 51) (51) The rear part is inserted into the left and right lock pins (57) (57). Te is engaged to fix the front and rear of the lifting rail front and rear bearing plate (51) (48) lock lever (49) (56) and locking pin (57). Further, the vertical rails (48) are formed with upper and lower engaging holes (58) (59), and the lock levers (56) are engaged with the respective engaging holes (58) (59) to thereby apply the fertilizer applicator (36). An operator holds the handle (54) which is fixedly supported in the raised position or the lowered position, and extends the lock lever (56) to the lower side of the handle (54) and protrudes to the driver's seat (13) side. In addition, the lock lever (56) is operated so that the lock lever (56) can be detached from the engagement holes (58) (59).
[0011]
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). ) And (38) are arranged, respectively, and two sets of six feeding units (38) are arranged side by side in parallel, and the left and right storage side feeding cases (381) (382) ).
[0012]
Furthermore, as shown in FIG. 12, the lower outlet (62) of the hoppers (37) (371) (372) is fitted to the intake port (61) on the upper front side of the feeding case (38) (381) (382). In addition, an outlet (63) is formed on the lower side of the front surface of the feeding case (38) (381) (382), 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 (36) is moved up and down the 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.
[0013]
The bottom cover (66) is detachably fixed to the lower surface of the feeding case (38) via a closing lever, and the outlet (67) is formed on the lower surface of the bottom cover (66) made of hard synthetic resin. A soft synthetic resin joining pipe (68) for fitting the front end portion to the air tank (42), and the front end of the hard synthetic resin hose joint (69) is detachably fitted to the rear end of the pipe (68). And the fitting hose (40) is fitted to the rear end of the joint (69), and the blower of the blower (41) is blown from the air tank (42) to each pipe (68)... And the hose (40). The fertilizer that falls from the outlet (67) of the bottom lid (66) to the middle of the joint (69) is moved to the conveying hose (40), and the inlet (70) is inserted into the middle of the joint (69) forming the T-shaped flange. The fitting cap (71) is fixed to the outlet (67) of the bottom lid (66), and the cap (71) is detachably fitted to the outer wall of the inlet (70). 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.
[0014]
Also, an inlet plate (75) having an inlet (73) and a blower outlet (74), and a feeding plate (77) which is a feeding roll having a plurality of substantially square outlets (76) on the same circumference. And an outlet plate (79) having a discharge port (78), and each plate (75) (77) (79) made of a substantially circular flat plate is formed in a multilayer shape between the feeding case (38) and the bottom lid (66). The feeding shaft (80) is pivotally supported in the feeding case (38) so as to be substantially vertically rotatable, and the lower side of the feeding shaft (80) at the center of each plate (75) (77) (79). The spring (81) is elastically pressed from the lower side to the lower surface of the outlet plate (79), and the plates (75), (77), and (79) are supported on the feeding shaft (80) so that they can be pulled out downward and closed. Each plate (75) (77) (79) is elastically pressed between the feeding case (38) and the bottom lid (66) by the lever. Therefore, 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). ) On 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 it is configured to drop in the direction of the exit (67).
[0015]
Further, as shown in FIGS. 6, 9, and 11, the PTO shaft (86) that transmits the output of the engine (2) to the planting part (15) extends backward 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.
[0016]
The left bearing plate (51) is pivotally supported by a feed amount adjusting lever (96) as a single metering member via a bracket (94) and a shaft (95), and the left bearing plate (51 ) Is provided with an adjustment link (98) and a fulcrum link (99) via a support shaft (97), and the adjustment link (98) is connected to the threaded portion (100) of the lever (96), thereby supporting the fulcrum link (99). The adjustment fulcrum (101) is attached to the fulcrum (101), and the drive arm (102) is pivotally supported on the fulcrum (101).
[0017]
Further, a fertilization power transmission system 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). And connecting one end of the telescopic rod (106) whose length is adjustable to the drive arm (102), and connecting the other end of the telescopic rod (106) to the swing arm (105), The crank plate (91) is connected to the drive arm (102) via the input rod (107), and is driven out 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 shaft (104).
[0018]
Further, as shown in FIG. 8, a clutch shaft (109) is pivotally supported on the rear frame (93) via 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).
[0019]
The fastening clutch case (114) is fixed to the feeding case (38), and the clutch shaft (109) is always connected to the upper end side of the feeding shaft (80) via a bevel gear (116). A hooking clutch (not shown) for connecting the shaft (80) to the clutch shaft (109) is connected to the clutch case (114), and the hooking clutch of the case (114) is cut off. A planting bar clamp provided on the rear back part of the seedling mounting stage (16) of the planting part (15) by disposing the clutch lever (118) and the clutch arm (119) to be operated in a distributed manner before and after the clutch case (114). The clutch arm (119) is connected to the unit clutch lever (120) via a fertilizing clutch wire for stopping the strip.
[0020]
Further, as shown in FIGS. 8, 13, and 14, the left and right bearing plates (51) are attached to the front frame (53) and the rear frame (93) outside the attachment position of the fertilizer feed case (38) (38) for the two central strips. ) (51) is fixed by welding, and both left and right ends of the front frame (53) and the rear frame (93) are fixed integrally by the left and right side frames (123) (123). 38) and (38) are 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) in the form of a square frame. Is divided into three equal parts in the left-right direction by the bearing plate (51), and the fertilizer feeding case (38) for six strips is spanned and supported between the front and rear frames (53), (93).
[0021]
Further, as shown in FIGS. 13 to 21, an auxiliary step (124) as a receiving surface is provided through a step frame for attaching the step (11), and left and right auxiliary steps (124) ( 124), storage side air tanks (421) and (422) having substantially the same shape on the left and right sides are provided on both sides of the central fixed side air tank (42), and a fixed bracket (125) is provided at the end of the fixed side air tank (42). ) Is integrally fixed, the movable bracket (126) is integrally fixed to the storage-side air tanks (421) and (422), and the fulcrum member is rotatably inserted into the elongated hole (127) of the fixed bracket (125). A horizontal rotation fulcrum shaft (128) is rotatably attached to the movable bracket (126), and a storage-side air tank (421) around the fulcrum shaft (128). (422) is rotated horizontally and the storage side air tank (421) (422) is moved horizontally by the guide of the long hole (127) so that the storage side air tank (421) (422) can be folded on the upper surface of the auxiliary step (124). It is composed. The blower (41) is attached to the end of the right storage-side air tank (422), air is pumped from the blower (41) into the tanks (422) (42) (421), and fertilizer is carried out by the air. It is configured to perform fertilizing work.
[0022]
Further, the left and right frames (131) and (131) are detachably connected to the side frame (123) through lock pins (129) and (129) and patch locks (130) and (130), and the front frame (53) and A divided frame (132) (133) having substantially the same shape as the rear frame (93) is fixed integrally between the left and right frames (131) (131) and the outer frames (134) (134), and the divided frames (132) (133) The left and right paying cases (381) and (382) are fixed to the clutch plate (136) which is an engagement member at the end of the fixed clutch shaft (109). ) (135), which is an engaging member, is detachably connected via a spring (138) to the clutch plate (1) from the clutch shaft (1). 6) and lateral feeding case through the pawl (137) (381) (382) is configured to communicate the feeding driving force.
[0023]
Further, the engaging cylinders (139) and (139) are integrally fixed to the storage-side air tanks (421) and (422), and fixing pins (140) are attached to the left and right frames (131) and (131) and the outer frames (134) and (134). (140) is integrally fixed, and the fixing pins (140) and (140) are loosely inserted from above into the engaging cylinders (139) and (139) so as to be freely inserted and removed, and the fixing pins (140) and (140) are engaged. A leg frame (141) that is inserted into the joint tube (139) (139) and abutted on the upper surface of the auxiliary step (124) is integrally fixed to the storage side air tank (421) (422), and the left and right frames (131) (131) are fixed. ) With the upper end side of the fixing stay (142) integrally fixed, the lower end side of the stay (142) is brought into contact with the upper surface of the leg frame (141), and the stay (142) stacked vertically The frame (141) is detachably fixed to the upper surface of the auxiliary step (124) by the knob bolt (143), and the left and right frames (131) (131) and the outer frames (132) (132) are removed by removing the knob bolt (143). Lifting upward, pulling out the pin (140) from the engaging cylinder (139), separating the storage side hopper (371) (372) and the feeding case (381) (382) from the storage side air tank (421) (422). It is configured to make it.
[0024]
Further, a storage fixing plate (144) is formed integrally with the fixing bracket (125), and the leg frame (141) and the fixing stay (142) are fixed to the auxiliary step (124) by a knob bolt (143) which is a screw member. Then, the movable bracket (126) is fixed to the storage fixing plate (144) by the knob bolt (145), and the storage side air tank (421) is fixed to the upper surface of the auxiliary step (124) by the two knob bolts (143) (145). (422) is fixed, and the storage-side fertilizer hoppers (371) (372) and the feeding cases (381) (382) are supported by the storage-side air tanks (421) (422).
[0025]
As described above, the fertilizer (36) is divided into a central fixed hopper (37), a feeding case (38) and an air tank (42), and the left and right outermost storage hoppers (371) (372) and a feeding case (381). ) (382) and air tanks (421) (422), and these storage side hoppers (371) (372), feeding cases (381) (382), and air tanks (421) (422) are storable, It is fixed to the auxiliary step (124) which is a traveling vehicle body during storage, and the storage side hopper (371) (372), the feeding case (381) (382) and the air tank (421) (422) at the storage position are supported. There is no need to project the member from the fertilizer section (36) side, and the storage side hopper (371) (372) and the feeding case (381) at the storage position The support strength of the (382) and the air tank (421) (422) are configured to be easily secured.
[0026]
Further, flanges (146) and (146) are integrally fixed to both ends of the fixed side air tank (42), flanges (147) and (147) are fixed to the storage side air tank (421) and 422, and a knob bolt (143) is fixed. The flanges (146) and (147) that face each other are tightened and fixed by, and the flanges (146) and (147) are brought into direct contact with each other, and the storage-side air tanks (421) and (422) are fixed to both ends of the fixed-side air tank (42). In addition, a ring-shaped protrusion (149) is formed in the elastic rubber air leakage prevention packing (148) of the storage side air tank (421) (422) to prevent the elastic rubber air leakage of the stationary side air tank (42). The protrusions (149) are pressure-bonded to the packing (150), and the packings (148) (150) are formed by pressure-bonding deformation of the protrusions (149). When the flanges (146) and (147) are directly brought into contact with each other and fixed, the storage-side air tanks (421) and (422) are fixed to the fixed-side by the weight of the storage-side air tanks (421) and (422). Prevents downward bending at the joint with the air tank (42) and requires the lower side of each packing (148) (150) joint
It is configured so as to eliminate the problem that it is compressed or the upper side is separated.
[0027]
As shown in FIG. 15 to FIG. 19, the lock pins (129) and (129) are projected at two positions on the side frame (123) sandwiching the clutch (109), and the lock pins (129) and (129) are inserted. Pin holes (129a) and (129a) that engage with the left and right frames (131) and (131), and the patch locks (130) and (130) are orthogonal to the pin holes (129a) and (129a). (131) (131) are provided at the two front and rear bent portions (131a) (131b), and the hook portions (123a) (123b) with which the locks (130) (130) are engaged are connected to the left and right frames (123) ( 123), the storage side feeding case (381) (382) is positioned with the lock pins (129) (129) when extended to the working position, It is configured to be securely fixed to the main body of the feeding case (38) (38) by Chin Tablets (130) (130).
[0028]
4 and 22, the feeding drive shaft (104) for transmitting the driving force to the feeding shaft (80) is disposed within the entire lateral width (W) of the fixed fertilizer (36), and the drive shaft A single feed amount adjustment lever (96) for adjusting the fertilizer feed amount by changing the rotation rate of (104) is provided in the fixed fertilizer (36), and each time the left and right fertilizer (361) is folded and stored. It is necessary to remove a part of the operation link system (151) such as the left and right ends of the drive shaft (104) and the links (98) (99) and the arms (102) (105) and the rod (106) of the adjusting lever (96). The clutch plate can be folded when the left and right fertilizer portions (361) are folded and expanded by allowing the drive shaft (104) and the link system (151) to be stably held within the entire width (W). (136) and nail body (137 By bonding and bonding cancellation are configured to perform coupling and uncoupling of the drive automatically.
[0029]
As shown in FIGS. 19 and 23, the clutch plate (136) is fixed to the end of the fixed clutch shaft (109), and four notched engagement grooves (136a) are formed at equal intervals on the circular outer periphery. In addition, the claw body (137) is slidably fitted to the square shaft portion (135a) of the storage-side feeding shaft (135), and is engaged with the engagement groove (136a). The claw (137a) is formed on the end surface of the claw body, and the spring force toward the clutch plate (136) is normally urged by the compression spring (138), and when the left and right fertilizer (361) is folded, the left and right frames (131 ) And the outer peripheral groove (153) formed on the outer peripheral surface of the claw body (137) to prevent the claw body (137) from falling off the feeding shaft (135). ing.
[0030]
Further, a projecting guide (154), which is a guide portion having a tapered surface (154a) at the tip, is integrally formed at the shaft end of the clutch shaft (109), and a recessed hole is formed at the shaft end of the feeding shaft (135). The bush (155), which is a rust-proof guide portion, is embedded in the hole, and when the clutch plate (136) and the claw body (137) are integrally joined, the guide (154) and the bush ( 155) is engaged first, and even if there is a slight deviation between the clutch shaft (109) and the feeding shaft (135), these shafts (109) (135) are automatically aligned and the clutch The plate (136) and the claw body (137) are configured to be smoothly integrated.
[0031]
Further, as shown in FIGS. 24 and 22, the planting claw (17) and the fertilizer feeding case (47) are set as two 1 unit, and unit clutch levers (120) that are turned on and off for each unit are set on the seedling stage (16 ), And the unit clutch lever (120) that reduces the number of seedlings by stopping a part of the planting claws (17) for multi-row planting, A part of the fertilizer feeding case (38) is also stopped at the same time, and a vertical feeding clutch wire (156) for turning on and off a seedling vertical feeding member (not shown) and a planting claw clutch wire for turning on and off a planting claw (17) ( 157) is attached to the lower side of the unit clutch lever (120) and the fertilizer clutch wire (158) for turning on and off the fertilizer feeding case (48) is attached to the unit clutch lever (1). 0) is mounted in the lateral direction, and the other end of the clutch wire (158) is detachably connected to the clutch arm (119) for two strips of one unit via a wire stopper (159), and the unit clutch lever (120 ) Is configured to be turned on and off at substantially the same time as the fertilizer feeding case (48).
[0032]
Further, the outer tube (160) of the clutch wire (158) is provided between the lever box (161) of the clutch lever (120) and the outer receiver (162) attached to the rear frame (93). 93) is a one-touch type mounting body fixed toofPolygonal cylinder (163)forInsert the polygonal shaft part (162a) of the outer receiver (162), fix the position with the pin (164), and remove the planting part (15).FertilizationWhen removing the clutch wire (158), use the one-touch operation with the outer receiver (162).DiversifiedIt removes from a cylinder (163), and it is comprised so that the attachment which does not require adjustment of an outer tube (160) every time the planting part (15) is mounted | worn is enabled.
[0033]
26 and FIG. 27, the right and left outermost two hoppers (373) and feeding case (383) and the air tank (423) are divided into four fixed hoppers (37) and feeding case (38). ) And the air tank (42) are provided so as to be foldable on the left and right sides of the front position. The air tank (423) on the storage side and the bracket (165) fixed to the fixed air tank (42) and the front frame (53) A bracket (166) fixed to the divided frame (132) is foldably connected via a rotation fulcrum shaft (128), and the feeding drive shaft (104) is connected to the center drive shaft (104a) on the fixed side and the storage side. It is divided into a left and right drive shaft (104b), and a feed amount adjusting lever (96) is provided on the central drive shaft (104a) on the fixed side, and left and right drive shafts (104b) are provided at both ends of the central drive shaft (104a). Via a sliding joint (167) are separable freely ligated.
[0034]
At the time of separation, the joint (167) is slidably fitted to a polygonal shaft portion (104c) (104d) such as a quadrangle at the end of each drive shaft (104a) (104b), and the left and right air tanks (423) are folded. The shaft (104c) on the side of the central drive shaft (104a) is held in position by an R-shaped locking pin (168), and the left and right drive shafts (104b) are joined when the left and right air tanks (423) are extended to the use position. The joint (167) is slid to the polygonal shaft portion (104d) of the shaft, and the locking pin (168) is inserted into the pin hole (169) of the shaft portion (104d), and the drive shaft is driven by the joint (167). (104a) (104b) is configured to be connected.
[0035]
28 to 30, the left and right fertilizers (361) on the storage side are folded to the rear from the front end horizontal line (L) of the conventional fixed fertilizer (36), and the operator is folded. FIG. 28 shows a configuration example in which step (11) is effectively used by avoiding folding of the left and right fertilizers on the storage side above step (11) for getting on and off. The fertilizer portion (361) such as the minute hopper (371) (372), the feeding case (381) (382) and the air tank (421) (422) is folded and stored rearward from the fertilizer portion (36) on the center fixed side. Is provided.
[0036]
Further, in FIG. 29, the fertilized portion (363) for each of the three left and right outer sides is folded in the longitudinal direction on both the left and right sides with respect to the fertilized portion (36) for the two strips on the fixed side. Fold approximately 1 section of the fertilizer section (363) on the storage side from the horizontal line (L) forward and approximately 2 sections rearward, and when all the fertilizer sections (36) are folded It is provided to reduce the overall width and stabilize the front-rear balance.
[0037]
30 and 31, the fertilizer portion (36) for 8 strips is divided at the center, and the fertilizer portion (364) for each of the 4 strips on the left and right is formed longitudinally on the left and right sides behind the driver seat (13). The planting part (15) such as the seedling stage (16) and the planting case (20) is also divided at the center, and the planting part (15a) for each of the four left and right strips is longitudinally elongated on both the left and right sides. It is provided so that it can be folded into a shape, and approximately 1 portion of each fertilizer portion (364) is lined forward from the front end horizontal line (L) of the fertilizer portion (36) when used, and approximately 3 portions are lined. (L) It folds to the state located back, and it is comprised so that both the planting part (15) and the fertilizer part (36) may perform compact folding. Further, the folded fertilizer portion (364) for each of the four left and right strips has a front portion of the air tank (424) of the fertilizer portion (364) via the stay (170) to the body frame (3) on the machine side. The rear part of the air tank (424) is supported by the rib (16a) of the seedling mounting base (16) folded via the stay (171), and the machine and the seedling mounting base (16) 2 can be supported without being cantilevered. In this respect, the fertilizer application part (364) is supported stably and reliably, and is prevented from being damaged when traveling on the road (especially a bad road).
[0038]
In addition, when the fertilizer (364) is folded at the two points supported by the machine and the seedling stand (16), the planting unit (15) is locked for raising and lowering and planting by raising and lowering. As shown in FIG. 32, the lifting / lowering hydraulic circuit (173) of the lifting / lowering cylinder (28) and the hydraulic pump (172) driven by the engine (2) prevents the breakage of the part (15) and the fertilizer (364). In addition, a lifting / lowering valve unit (176) having a solenoid-type raising and lowering valve (174) (175) for raising / lowering the lifting / lowering cylinder (28) and a solenoid-type two-position switching valve (177) which is a lifting / lowering hydraulic lock device are provided. When the folding of the left and right fertilizer (364) is detected by the fold detection switch (178), the switching valve (177) is switched to stop the raising and lowering of the planting part (15) and hold the position. Configure There.
[0039]
【The invention's effect】
As apparent from the above examples, the present inventionA rear frame horizontally mounted on a fertilizer at the rear end upper portion of a plant clutch body unit frame (3) and a unit clutch lever (120) for planting strips provided on the upper rear surface of the seedling mount (16) of the planting unit In the rice transplanter in which the fertilizer feeding case (38) provided in (93) is linked and interlocked via the fertilizer clutch wire (158),
The outer tube (160) of the clutch wire (158) is provided between the lever box (161) of the unit clutch lever (120) and the outer receiver (162) attached to the rear frame (93), and the rear frame (93). Since the polygonal shaft portion (162a) of the outer receiver (162) is detachably fixed to the polygonal cylinder (163) which is a one-touch attachment body fixed to theOne-touch operation when removing and attaching the planting part (15)SaidBy removing or attaching the outer receiver (162) of the clutch wire (158), it is possible to easily attach and detach the planting part without the need for readjustment of the outer tube (160) each time. .
[Brief description of the drawings]
FIG. 1 is an overall side view.
FIG. 2 is a plan view of the same.
FIG. 3 is a plan view of a fertilizer application part.
FIG. 4 is a rear view of the same.
FIG. 5 is an explanatory view of the same side.
FIG. 6 is an explanatory side view of a lifting rail part.
FIG. 7 is an explanatory side view of a fertilizer feeding case part.
FIG. 8 is an explanatory plan view of a fertilizer feeding case part.
FIG. 9 is a rear view of the base frame portion.
FIG. 10 is a rear explanatory view of a fertilizer feeding case part.
FIG. 11 is an explanatory side view of the feeding drive input unit.
FIG. 12 is a sectional side view of a fertilizer feeding case.
FIG. 13 is a plan view on the right side of the fertilizer application part.
FIG. 14 is a plan view of the left side of the fertilizer application part.
FIG. 15 is an explanatory diagram of folding on the right side of the fertilizer application part.
FIG. 16 is an explanatory diagram of folding on the left side of the fertilizer application part.
FIG. 17 is an enlarged plan view on the right side of the fertilizer application part.
FIG. 18 is an enlarged plan view of the left side of the fertilizer section.
FIG. 19 is a rear view of the left feeding case connecting portion.
FIG. 20 is a plan view of a left air tank connecting portion.
FIG. 21 is an enlarged view of FIG. 20;
FIG. 22 is an explanatory plan view of a fertilizer application part.
FIG. 23 is an explanatory diagram of a clutch plate and a claw body.
FIG. 24 is an explanatory diagram of a unit clutch lever portion.
FIG. 25 is an explanatory diagram of an outer receiving portion.
FIG. 26 is a diagram illustrating folding of the fertilizer application part.
FIG. 27 is an explanatory view of a joint portion of the pay-out drive shaft.
FIG. 28 is an explanatory plan view showing an example of a modified structure of folding of the fertilizer section.
FIG. 29 is an explanatory plan view showing a modified structure example of folding of the fertilizer application portion.
FIG. 30 is an explanatory side view showing a modified structure example of folding of the fertilizer application part.
FIG. 31 is an explanatory plan view showing a modified structure example of folding of a fertilizer application part.
FIG. 32 is a hydraulic circuit diagram.
[Explanation of symbols]
(1) Traveling vehicle
(36) (361) Fertilizer
(38) Feeding case (feeding part)
(96) Adjustment lever (metering member)
(104) Feeding drive shaft (fertilization power transmission system)
(120) Unit clutch lever
(136) Clutch plate (engagement member)
(137) Claw body (engaging member)
(154) Projection guide (guide part)
(155) Bush (guide part)
(158) Clutch wire
(162) Outer receptacle
(163) Cylindrical body (mounting body)

Claims (1)

植付部の苗載台(16)の上側背面部に設けた植付け条止め用のユニットクラッチレバー(120)と本機側車体フレーム(3)後端上部の施肥部に横架させた後面フレーム(93)に設けた肥料繰出ケース(38)の条止めクラッチとを施肥クラッチワイヤ(158)を介し連動連結した田植機において、
前記クラッチワイヤ(158)のアウタチューブ(160)をユニットクラッチレバー(120)のレバーボックス(161)と前記後面フレーム(93)に取付けるアウタ受け(162)との間に設け、後面フレーム(93)に固設したワンタッチ取付体である多角筒体(163)に対してアウタ受け(162)の多角軸部(162a)を取外し自在に固定させたことを特徴とする田植機
A rear frame horizontally mounted on a fertilizer at the rear end upper portion of a plant clutch body unit frame (3) and a unit clutch lever (120) for planting strips provided on the upper rear surface of the seedling mount (16) of the planting unit In the rice transplanter in which the fertilizer feeding case (38) provided in (93) is linked and interlocked via the fertilizer clutch wire (158),
The outer tube (160) of the clutch wire (158) is provided between the lever box (161) of the unit clutch lever (120) and the outer receiver (162) attached to the rear frame (93), and the rear frame (93). A rice transplanter characterized in that a polygonal shaft portion (162a) of an outer support (162) is detachably fixed to a polygonal cylindrical body (163) which is a one-touch attachment body fixed to the pad.
JP21926096A 1996-07-31 1996-07-31 Rice transplanter Expired - Fee Related JP3853435B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21926096A JP3853435B2 (en) 1996-07-31 1996-07-31 Rice transplanter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21926096A JP3853435B2 (en) 1996-07-31 1996-07-31 Rice transplanter

Publications (2)

Publication Number Publication Date
JPH1042633A JPH1042633A (en) 1998-02-17
JP3853435B2 true JP3853435B2 (en) 2006-12-06

Family

ID=16732744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21926096A Expired - Fee Related JP3853435B2 (en) 1996-07-31 1996-07-31 Rice transplanter

Country Status (1)

Country Link
JP (1) JP3853435B2 (en)

Also Published As

Publication number Publication date
JPH1042633A (en) 1998-02-17

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