JP3672074B2 - Rice transplanter - Google Patents

Rice transplanter Download PDF

Info

Publication number
JP3672074B2
JP3672074B2 JP21455599A JP21455599A JP3672074B2 JP 3672074 B2 JP3672074 B2 JP 3672074B2 JP 21455599 A JP21455599 A JP 21455599A JP 21455599 A JP21455599 A JP 21455599A JP 3672074 B2 JP3672074 B2 JP 3672074B2
Authority
JP
Japan
Prior art keywords
feeding
shaft
cases
fertilizer
air tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP21455599A
Other languages
Japanese (ja)
Other versions
JP2000037112A (en
Inventor
裕一 竹田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanma Agricultural Equipment Co Ltd
Original Assignee
Yanma Agricultural Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yanma Agricultural Equipment Co Ltd filed Critical Yanma Agricultural Equipment Co Ltd
Priority to JP21455599A priority Critical patent/JP3672074B2/en
Publication of JP2000037112A publication Critical patent/JP2000037112A/en
Application granted granted Critical
Publication of JP3672074B2 publication Critical patent/JP3672074B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Fertilizing (AREA)
  • Transplanting Machines (AREA)

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及び側条施肥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、特開平5−276818号公報に示す如く、複数組のホッパ及び繰出ケースを左右方向に並設させ、かつエアタンクを左右方向に延設させる技術があるが、運搬用トラック荷台から機外側のホッパが突出し易く、植付部及び施肥部の多条大型化によって容易に運搬し得ない不具合がある。そこで、特開平5−304805号公報に示す如く、機外側のホッパを回動自在に取付けて機体内方に収納させる技術もあるが、繰出ケース及びエアタンクが突出した状態となって運搬時に衝突損傷させ易い等の問題がある。
【0003】
【課題を解決するための手段】
請求項1に係る発明は、複数組のホッパ及び繰出ケースを左右方向に並設させ、かつ複数組のエアタンクを左右方向に延設させる施肥部を走行車に設け、前記走行車の車体カバーの両側に左右補助ステップを配設させてなる田植機において、前記中央のエアタンクの 両側に左右エアタンクを第1支点軸を介して回動可能に連結させ、前記左右のうち一方のタンクの機外側端に送風機を固設し、前記支点軸を中心に前記左右エアタンクを略水平に回転させて前記左右補助ステップ上方に移行させるように構成し、前記中央の繰出ケースの両側に左右繰出ケースを、前記第1支点軸とは異なる位置の第2支点軸を介して回動可能に連結させ、前記左右繰出ケースを前記第2支点軸回りに略水平方向に回転させ、前記左右繰出ケースを前記左右補助ステップ上方に移行させるように構成し、前記左右のホッパ及び左右の繰出ケースを施肥作業位置または折畳み収納位置に回転させる前記第2支点軸と、前記送風機及び前記左右のエアタンクを施肥作業位置または折畳み収納位置に回転させる前記第1支点軸を、前記走行車の運転席両側で左右に張出す前記左右補助ステップの左右設置幅内に設け、前記中央と左右のエアタンクの連結部に配置した前記第1支点軸よりも機外側に前記補助ステップの機外側を突設し、また前記中央と左右の繰出ケースの接合部に配置した前記第2支点軸よりも機外側に前記補助ステップの機外側部を突設し前記左右の繰出ケース並びに左右のエアタンクを前記補助ステップの左右設置幅内で上方に収納させるように構成したもので、機外側のホッパ及び繰出ケース及びエアタンクを走行車機内側に折畳んで左右幅を縮少し得、施肥部を取外すことなく走行車を運搬し得ると共に、機外側のホッパ及び繰出ケース及びエアタンクを施肥作業位置または折畳み収納位置に容易に移行させ得、トラック荷台などを用いた運搬作業性の向上などを容易に図り得るものである。
【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と左右の施肥ホッパ(37)(371)(372)と、肥料を定量供給する肥料繰出ケース(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。
【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ケース底部である底蓋(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)にロール駆動軸である繰出軸(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15乃至図18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(124)に補助ステップ(125)を設け、車体カバー(12)後部両側に左右補助ステップ(125)(125)を配設させると共に、前記エアタンク(42)両側に同一形状の左右エアタンク(421)(422)を連設させ、第1支点軸(126)によって回転自在に連結させる蝶番形フランジ(127)(128)の一方をエアタンク(42)両端に一体固定させ、前記フランジ(127)(128)のもう一方を左右エアタンク(421)(422)端部に一体固定させ、各フランジ(127)(128)をロックボルト(129)と位置決めピン(130)によって開閉自在に連結させる。そして、右エアタンク(422)端部に前記送風機(41)を固設させ、送風機(41)から各タンク(422)(42)(421)内に空気を圧送し、施肥作業を行うと共に、トラック荷台に走行車(1)を積んで運搬するとき、前記ロックボルト(129)を外し、第1支点軸(126)を中心に左右エアタンク(421)(422)を略水平に回転させて左右補助ステップ(125)(125)上方に移行させ、左右エアタンク(421)(422)のロックブラケット(131)を補助ステップ(125)にロックボルト(129)を用いて固定させ、エアタンク(42)(421)(422)の左右全幅を縮少させるように構成している。
【0022】
さらに、図17乃至図21に示す如く、前記サイドフレーム(123)にロックボルト(132)(132)を介して左右フレーム(133)(133)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(134)(135)を左右フレーム(133)(133)と外側フレーム(136)(136)の間に一体固定させ、分割フレーム(134)(135)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)端部を左右繰出ケース(381)(382)の繰出軸(137)(137)にドグクラッチ形爪体(138)(139)を介して着脱自在に連結させ、クラッチ軸(109)から爪体(138)(139)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】
また、前フレーム(53)端部に固定ブラケット(140)を一体固定させ、分割フレーム(134)に可動ブラケット(141)を一体固定させ、第2支点軸(142)と長孔(143)を介して回転自在及び摺動自在に各ブラケット(140)(141)を連結させる。そして、図19及び図20のように施肥作業位置に左右繰出ケース(381)(382)を連結支持させているとき、ロックボルト(132)を取外し、左右繰出ケース(381)(381)を長孔(143)の案内によって機外側方向に摺動させると共に、左右繰出ケース(381)(382)を第2支点軸(142)回りに略水平方向に回転させ、左右繰出ケース(381)(382)を補助ステップ(125)上方に移行させ、補助ステップ(125)の起伏自在なロックアーム(144)を起立させてロックボルト(145)により左右フレーム(133)(133)に固定させ、左右繰出ケース(381)(382)と左右ホッパ(371)(372)を車体カバー(12)上に折畳んで左右幅を縮少させ、トラック荷台に走行車(1)を積んで運搬するように構成している。
【0024】
なお、左右繰出ケース(381)(382)を折畳むとき、昇降操作によって繰出ケース(38)(382)をジョイント(69)から分離させると共に、搬送ホース(40)をジョイント(69)から分離させ、左右エアタンク(421)(422)にジョイント(69)を取付けた状態で左右エアタンク(421)(422)を折畳むように構成している。
【0025】
上記から明らかなように、複数組のホッパ(37)(371)(372)及び繰出ケース(38)(381)(382)を左右方向に並設させる施肥部(36)を走行車(1)に設ける田植機において、左右機外側のホッパ(371)(372)及び繰出ケース(381)(382)を垂直軸芯回りに回動自在に取付け、左右機外側のホッパ(371)(372)及び繰出ケース(381)(382)を走行車(1)機内側に折畳んで左右幅を縮少させ、施肥部(36)を取外すことなく走行車(1)を運搬でき、しかも左右機外側のホッパ(371)(372)及び繰出ケース(381)(382)を施肥作業位置または折畳み収納位置に容易に移行させることができると共に、左右機外側のホッパ(371)(372)及び繰出ケース(381)(382)を左右機外側方向に摺動自在に取付け、左右機外側の繰出ケース(381)(382)駆動部構造の簡略化並びに繰出ケース駆動部の分離及び結合操作性の向上などを容易に行える。また、左右機外側の繰出ケース(381)(382)に設ける繰出軸(137)を固定側軸であるクラッチ軸(109)に対して着脱自在に噛合連結させ、前記繰出軸(137)と固定側クラッチ軸(109)の噛合いによって各軸(137)(109)の剛性を確保でき、また固定側の繰出ケース(38)と機外側の繰出ケース(381)(382)の側面視を一致させ、取付け部品の共用化を図り、かつ繰出軸(137)と固定側クラッチ軸(109)の回転を常に同期させて施肥量を全条均一に保つと共に、軸芯方向にテーパを形成したドグクラッチ形爪体(138)(139)によって繰出軸(137)と固定側クラッチ軸(109)を連結させたもので、テーパのくさび作用によって繰出軸(137)を固定側クラッチ軸(109)に爪体(138)(139)を介して一体的に連結させ、前記各軸(109)(137)が回転方向にずれて騒音が生じるのを防ぐ。また、固定側クラッチ軸(109)端部を固定側ホッパ(37)の左右幅内に取付け、機外側のホッパ(371)(372)を折畳んだときに固定側のホッパ(37)の機内側に固定側クラッチ軸(109)が支持され、固定側クラッチ軸(109)端部が衝突などによって損傷するのを防ぐように構成している。
【0026】
さらに、図17に示す如く、左右繰出ケース(381)(382)に条止めクラッチケース(114)を固定させ、該クラッチケース(114)に内設させる条止めクラッチ(図示省略)を入切させるクラッチアーム(119)を設け、前記ユニットクラッチレバー(120)にクラッチワイヤ(146)を介してクラッチアーム(119)を連結させ、前記レバー(120)操作によりワイヤ(146)を引張ってクラッチアーム(119)を入位置に支持させ、左右繰出ケース(381)(382)に繰出駆動力を入力させると共に、前記クラッチアーム(119)を切位置に保持させるリターンバネ(147)を設け、前記レバー(120)の条止め操作によってワイヤ(146)が緩んだとき、リターンバネ(147)によってクラッチアーム(119)を切位置に戻し、条止めクラッチを切保持するように構成している。また、前記クラッチワイヤ(146)端部をクラッチアーム(119)に着脱自在に連結させ、クラッチアーム(119)を入位置に保持し乍らワイヤ(146)を緩めることによってワイヤ(146)をクラッチアーム(119)から外すことができるもので、左右機外側の繰出ケース(381)(382)に設ける条止めクラッチを入切操作するクラッチワイヤ(146)のアウタ受(146a)を固定側に設け、条止めクラッチのクラッチアーム(119)からクラッチワイヤ(146)を外すだけで機外側の繰出ケース(381)(382)の折畳み操作を行え、クラッチワイヤ(146)などの操作系の脱着操作の簡略化を行えるように構成している。
【0027】
さらに、図22に示す如く、前記ホッパ(37)の上面開口に蓋(148)を開閉自在に設けると共に、軟質透明ビニール製のカバー(149)を蓋(148)に着脱自在に設け、蓋(148)を開放させたとき、ホッパ(37)上面をカバー(149)により閉塞し、雨水がホッパ(37)内部に入るのを防止し、また1条分または2条もしくは3条ユニット毎にカバー(149)を分割形成し、ホッパ(37)のカバー(149)を部分的に開けて肥料を補給するもので、蓋(148)を開ける動作でホッパ(37)がカバー(149)によって自動的に閉塞され、蓋(148)を閉じることによって運転席(13)との間にカバー(149)が収納され、また不要なとき、マジックテープにより着脱するカバー(149)だけを取外して作業を行えるように構成している。
【0028】
【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、複数組のホッパ(37)(371)(372)及び繰出ケース(38)(381)(382)を左右方向に並設させ、かつ複数組のエアタンク(42)(421)(422)を左右方向に延設させる施肥部(36)を走行車(1)に設け、前記走行車(1)の車体カバー(12)の両側に左右補助ステップ(125)を配設させてなる田植機において、前記中央のエアタンク(42)の両側に左右エアタンク(421)(422)を第1支点軸(126)を介して回動可能に 連結させ、前記左右のうち一方のタンク(422)の機外側端に送風機(41)を固設し、前記支点軸(126)を中心に前記左右エアタンク(421)(422)を略水平に回転させて前記左右補助ステップ(125)上方に移行させるように構成し、前記中央の繰出ケース(38)の両側に左右繰出ケース(381)(382)を、前記第1支点軸(126)とは異なる位置の第2支点軸(142)を介して回動可能に連結させ、前記左右繰出ケース(381)(382)を前記第2支点軸(142)回りに略水平方向に回転させ、前記左右繰出ケース(381)(382)を前記左右補助ステップ(125)上方に移行させるように構成し、前記左右のホッパ(371)(372)及び左右の繰出ケース(381)(382)を施肥作業位置または折畳み収納位置に回転させる前記第2支点軸(142)と、前記送風機(41)及び前記左右のエアタンク(421)(422)を施肥作業位置または折畳み収納位置に回転させる前記第1支点軸(126)を、前記走行車(1)の運転席(13)両側で左右に張出す前記左右補助ステップ(125)の左右設置幅内に設け、前記中央と左右のエアタンク(42)(421)(422)の連結部に配置した前記第1支点軸(126)よりも機外側に前記補助ステップ(125)の機外側を突設し、また前記中央と左右の繰出ケース(38)(381)(382)の接合部に配置した前記第2支点軸(142)よりも機外側に前記補助ステップ(125)の機外側部を突設し前記左右の繰出ケース(381)(382)並びに左右のエアタンク(421)(422)を前記補助ステップ(125)の左右設置幅内で上方に収納させるように構成したもので、機外側のホッパ(371)(372)及び繰出ケース(381)(382)及びエアタンク(421)(422)を走行車(1)機内側に折畳んで左右幅を縮少でき、施肥部(36)を取外すことなく走行車(1)の左右幅を容易に変更できると共に、機外側のホッパ(371)(372)及び繰出ケース(381)(382)及びエアタンク(421)(422)を施肥作業位置または折畳み収納位置に容易に移行させることができ、トラック荷台などを用いた運搬作業性の向上などを容易に図ることができるものである。
【図面の簡単な説明】
【図1】全体の側面図である。
【図2】同平面図である。
【図3】施肥部の平面図である。
【図4】同背面図である。
【図5】同側面説明図である。
【図6】昇降レール部側面説明図である。
【図7】肥料繰出ケース部の側面説明図である。
【図8】肥料繰出ケース部の平面説明図である。
【図9】ベースフレーム部の背面説明図である。
【図10】肥料繰出ケース部の背面説明図である。
【図11】繰出駆動入力部の同側面説明図である。
【図12】肥料繰出ケースの断面側面説明図である。
【図13】施肥部右側の平面図である。
【図14】施肥部左側の平面図である。
【図15】エアタンク右側の平面図である。
【図16】エアタンク左側の平面図である。
【図17】施肥部右側の背面図である。
【図18】施肥部右側の右側面図である。
【図19】右繰出ケース部の平面図である。
【図20】左繰出ケース部の平面図である。
【図21】図19の拡大図である。
【図22】ホッパ蓋開放側面図である。
【符号の説明】
(1)走行車
(12)車体カバー
(13)運転席
(36)施肥部
(37)(371)(372)ホッパ
(38)(381)(382)繰出ケース
(41)送風機
(42)(421)(422)エアタンク
(125)補助ステップ
(126)第1支点軸
(142)第2支点軸
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a rice transplanter that includes, for example, a seedling stage and a planting claw and performs seedling planting work and lateral strip fertilization work continuously.
[0002]
[Problems to be solved by the invention]
Conventionally, as shown in Japanese Patent Laid-Open No. 5-276818, there is a technique in which a plurality of sets of hoppers and feeding cases are juxtaposed in the left-right direction and the air tank is extended in the left-right direction. There is a problem that the hopper easily protrudes and cannot be easily transported due to the large size of the planting part and the fertilizer part. Therefore, as shown in Japanese Patent Application Laid-Open No. 5-304805, there is a technique in which a hopper on the outside of the machine is rotatably mounted and stored inside the machine, but the delivery case and the air tank protrude to cause collision damage during transportation. There is a problem such as easy to make.
[0003]
[Means for Solving the Problems]
The invention according to claim 1 provides a traveling vehicle with a fertilizer section in which a plurality of sets of hoppers and feeding cases are juxtaposed in the left-right direction, and a plurality of sets of air tanks extend in the left-right direction . in rice transplanter sides ing by disposing the left and right auxiliary step, the central on both sides to the left and right air tank air tank necessarily rotatably connected via a first pivot shaft, outboard of one tank of the right and left An air blower is fixed to the end, and the left and right air tanks are rotated substantially horizontally around the fulcrum shaft so that the left and right auxiliary steps are moved upward, and left and right feeding cases are provided on both sides of the central feeding case. The second fulcrum shaft is pivotally connected via a second fulcrum shaft at a position different from the first fulcrum shaft, the left and right feeding case is rotated in a substantially horizontal direction around the second fulcrum shaft, and the left and right feeding case is auxiliary And configured to shift to step upward, and the second pivot shaft for rotating the right and left of the hopper and the left and right feeding cases fertilization working position or folded storage position, fertilizer working position or folding the blower and the left and right air tank and said first pivot shaft for rotating the storage position, provided on the left and right installation within the width of the left and right auxiliary step overhangs left by the driver's seat on both sides of the vehicle, is arranged to the connecting portion of the central and left and right air tank the the outboard portion of the auxiliary step outboard than the first pivot axis collision set, also the central and left and right feeding the auxiliary step of the machine the outboard than the second pivot shaft disposed in the joint portion of the case in which the outer portion and impact set constituted the feeding case and left and right air tank of the right and left so as to accommodated upward in lateral installation width of the auxiliary step, outboard of the hopper及Feeding give case and lateral width folded inboard side of the vehicle the air tank scaled down, with can carry vehicle without removing the fertilizing unit, the outboard of the hopper and the feeding case and an air tank fertilizer working position or folding It is possible to easily shift to the storage position, and it is possible to easily improve transportation workability using a truck bed.
[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., 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).
[0005]
Further, in the figure, (15) is a planting part comprising a seedling stand (16) for planting eight rows 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.
[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, the center and the left and right fertilizer hoppers (37) (371) (372) that are fertilizer tanks, a fertilizer feeding case (38) for supplying a fixed amount of fertilizer, and a float ( 34) A turbo blower blower (41) for discharging fertilizer to the lateral groove grooving device (39) of (35) via a flexible conveying hose (40) and a cylindrical air tank (42) are used as the fertilizer. The air blower (41) is attached to the right end of the air tank (42), and eight sets of fertilizer feed cases (38)... For 8 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. 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.
[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) are fixed by welding to the left and right bearing plates (51) and (51), and left and right lock levers (56) and (56) are rotatably supported via support shafts (55) and (55). 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, so that two sets of two feed cases (38) are arranged side by side as two pairs, and left and right feed cases (381) and (382) are arranged side by side on the outer sides of the left and right machines. It is set up.
[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]
A bottom cover (66), which is the bottom of the case, is detachably fixed to the lower surface of the feeding case (38) through a closing lever, and an outlet (67) is formed on the lower surface of the hard synthetic resin bottom cover (66). It is formed with a joint pipe (68) made of soft synthetic resin that fits the front end portion into the air tank (42), and a hose joint (69) made of hard synthetic resin is attached to the rear end of the pipe (68). The transfer hose (40) is fitted to the rear end of the joint (69), and the blower (41) is blown from the air tank (42) to the pipes (68)... And the hose (40). In the joint (69) that forms a T-shaped flange, and moves fertilizer that falls from the outlet (67) of the bottom lid (66) to the middle of the joint (69) to the transport hose (40). The inlet (70) is formed to open upward, the fitting cap (71) is fixed to the outlet (67) of the bottom lid (66), and the cap (71) is detachable from the outer wall of the inlet (70). The outlet (67) is connected to the inlet (70), and the mounting plate (72) is integrally fixed to the air tank (42), and the joint (69) is bolted to the mounting plate (72). ing.
[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). And a feeding shaft (80), which is a roll drive shaft, is supported on the feeding case (38) so as to be rotatable substantially vertically, and the feeding shaft is provided at the center of each plate (75) (77) (79). (80) The lower end side is penetrated, the spring (81) is elastically pressed from the lower side to the lower surface of the outlet plate (79), and the plates (75), (77), (79) can be pulled out downward to the feeding shaft (80). Each plate (75) (77) (79) is supported by the closing lever, and the feeding case (38) and the bottom lid (6) ), The inlet plate (75) and the outlet plate (79) are locked to the feeding case (38), and the feeding shaft (80) is rotated with respect to each plate (75) (79). At the same time, the feeding plate (77) is pivotally supported by the feeding shaft (80), the feeding plate (77) is forcibly rotated by the feeding shaft (80), and the intake port (73) to the feeding port (76). The fertilizer that has entered is moved to the outlet (78) and dropped in the direction of the outlet (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 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).
[0017]
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). It is configured to transmit the driving force to.
[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) through a wire.
[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 welded and fixed, and both ends of the front frame (53) and the rear frame (93) are fixed integrally by the left and right side frames (123) and (123), and the fertilizer feed case (38 on both sides) ) (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 of the square frames (53), (93) and (123) is attached. 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).
[0021]
Further, as shown in FIGS. 15 to 18, an auxiliary step (125) is provided on the step frame (124) for mounting the step (11), and left and right auxiliary steps (125) (125) are provided on both sides of the rear portion of the vehicle body cover (12). Hinged flanges (127) and (128) that are arranged and connected to the left and right air tanks (421) and (422) of the same shape on both sides of the air tank (42) and are rotatably connected by the first fulcrum shaft (126). One side of the air tank (42) is integrally fixed to both ends of the air tank (42), the other side of the flange (127) (128) is integrally fixed to the ends of the left and right air tanks (421) (422), and the flanges (127) (128) are locked. The bolt (129) and the positioning pin (130) are connected to be freely opened and closed. Then, the blower (41) is fixed to the end of the right air tank (422), air is pumped from the blower (41) into each tank (422) (42) (421), and fertilization work is performed. When the traveling vehicle (1) is loaded on the carrier and transported, the lock bolt (129) is removed, and the left and right air tanks (421) and (422) are rotated substantially horizontally around the first fulcrum shaft (126) to assist left and right. Steps (125) and (125) are moved upward, and the lock bracket (131) of the left and right air tanks (421) and (422) is fixed to the auxiliary step (125) using the lock bolt (129), and the air tanks (42) (421) ) (422) is configured to reduce the entire left and right width.
[0022]
Further, as shown in FIGS. 17 to 21, left and right frames (133) and (133) are detachably connected to the side frame (123) via lock bolts (132) and (132), and the front frame (53) and A divided frame (134) (135) having substantially the same shape as the rear frame (93) is integrally fixed between the left and right frames (133) (133) and the outer frames (136) (136), and the divided frames (134) (135) are fixed. The left and right feeding cases (381) and (382) are fixed to the left and right ends, and the end of the fixed side clutch shaft (109) is fixed to the feeding shafts (137) and (137) of the left and right feeding cases (381) and (382). ) (139) are detachably connected to each other, and the left and right extension cases (381) (3) are connected from the clutch shaft (109) via the claws (138) (139). It is configured to communicate the feeding driving force in 2).
[0023]
Further, the fixed bracket (140) is integrally fixed to the end portion of the front frame (53), the movable bracket (141) is integrally fixed to the divided frame (134), and the second fulcrum shaft (142) and the long hole (143) are formed. The brackets (140) and (141) are connected to each other in a rotatable and slidable manner. When the left and right paying cases (381) and (382) are connected and supported at the fertilization work position as shown in FIGS. 19 and 20, the lock bolt (132) is removed, and the left and right paying cases (381) and (381) are long. The left and right paying cases (381) and (382) are rotated in the substantially horizontal direction around the second fulcrum shaft (142) while being slid in the machine outer direction by the guide of the hole (143). ) Is moved upward in the auxiliary step (125), and the lock arm (144) that can be raised and lowered in the auxiliary step (125) is erected and fixed to the left and right frames (133) and (133) by the lock bolt (145). The case (381) (382) and the left and right hoppers (371) (372) are folded on the vehicle body cover (12) to reduce the left and right widths, and the vehicle travels on the truck bed. It is configured to carry loaded with 1).
[0024]
When folding the left and right feeding cases (381) and (382), the feeding case (38) and (382) are separated from the joint (69) by the lifting operation, and the conveying hose (40) is separated from the joint (69). The left and right air tanks (421) and (422) are folded with the joint (69) attached to the left and right air tanks (421) and (422).
[0025]
As is clear from the above, a fertilizer section (36) in which a plurality of sets of hoppers (37) (371) (372) and feeding cases (38) (381) (382) are juxtaposed in the left-right direction is provided as a traveling vehicle (1). In the rice transplanter provided in the left and right machine, the outer hoppers (371) and (372) and the feeding case (381) and (382) are rotatably mounted around the vertical axis, and the left and right machine outer hoppers (371) and (372) and Folding cases (381) and (382) are folded inside the traveling vehicle (1) to reduce the left and right width, and the traveling vehicle (1) can be transported without removing the fertilizer (36). The hopper (371) (372) and the feeding case (381) (382) can be easily transferred to the fertilization work position or the folding storage position, and the hopper (371) (372) and the feeding case ( 81) (382) is slidably mounted in the left and right machine outside direction, and the feeding case (381) (382) outside the left and right machines is simplified, the feeding case driving part is separated and the coupling operability is improved. Easy to do. Further, the feeding shaft (137) provided in the feeding case (381) (382) outside the left and right machines is detachably engaged with the clutch shaft (109) which is a fixed side shaft, and is fixed to the feeding shaft (137). The rigidity of the shafts (137) and (109) can be ensured by the engagement of the side clutch shaft (109), and the side view of the fixed-side feeding case (38) and the feeding case (381) (382) on the outside of the machine are the same. The dog clutch is designed to share mounting parts and keep the fertilizer applied uniformly by synchronizing the rotation of the feeding shaft (137) and the stationary clutch shaft (109) and forming a taper in the axial direction. The feeding shaft (137) and the stationary clutch shaft (109) are connected by the claws (138) and (139). The feeding shaft (137) is connected to the stationary clutch shaft (109) by a taper wedge action. The pawl (138) integrally be linked via (139), wherein each shaft (109) (137) prevents the noise offset in the rotational direction is generated. In addition, the end of the fixed clutch shaft (109) is mounted within the left and right widths of the fixed hopper (37), and the machine of the fixed hopper (37) is folded when the outer hopper (371) (372) is folded. The fixed clutch shaft (109) is supported on the inner side, and the end of the fixed clutch shaft (109) is prevented from being damaged by a collision or the like.
[0026]
Further, as shown in FIG. 17, the latching clutch case (114) is fixed to the left and right feeding cases (381) and (382), and the latching clutch (not shown) provided inside the clutch case (114) is turned on and off. A clutch arm (119) is provided, the clutch arm (119) is connected to the unit clutch lever (120) via a clutch wire (146), and the wire (146) is pulled by operating the lever (120) to pull the clutch arm ( 119) is supported at the on position, and a return spring (147) is provided to input the feeding driving force to the left and right feeding cases (381) and (382) and hold the clutch arm (119) at the cut position. 120), when the wire (146) is loosened, the return spring (147) Return Chiamu a (119) to the switching position, and configured to switch hold strip stop clutch. Further, the end of the clutch wire (146) is detachably connected to the clutch arm (119), and the wire (146) is clutched by loosening the wire (146) while holding the clutch arm (119) in the on position. An outer support (146a) of a clutch wire (146) that can be detached from the arm (119) and that is used to turn on and off the strut clutch provided on the feeding case (381) (382) outside the left and right machines is provided on the fixed side. By simply removing the clutch wire (146) from the clutch arm (119) of the hooking clutch, the feeding case (381) (382) on the outside of the machine can be folded, and the operation system such as the clutch wire (146) can be detached. It is configured so that it can be simplified.
[0027]
Furthermore, as shown in FIG. 22, a lid (148) is provided in the upper surface opening of the hopper (37) so that it can be opened and closed, and a cover (149) made of soft transparent vinyl is detachably provided on the lid (148). 148) is opened, the top surface of the hopper (37) is closed by the cover (149), preventing rainwater from entering the hopper (37), and covering one or two or three units. (149) is divided and the cover (149) of the hopper (37) is partially opened to replenish fertilizer. The hopper (37) is automatically moved by the cover (149) by opening the lid (148). By closing the lid (148), the cover (149) is accommodated between the driver's seat (13), and when unnecessary, only the cover (149) to be attached / detached with the velcro is removed. It is configured so as to perform the work.
[0028]
【The invention's effect】
As is apparent from the above-described embodiments, the invention according to claim 1 includes a plurality of sets of hoppers (37) (371) (372) and feeding cases (38) (381) (382) arranged side by side in the left-right direction. In addition, a fertilizer section (36) for extending a plurality of sets of air tanks (42), (421), and (422) in the left-right direction is provided in the traveling vehicle (1), on both sides of the vehicle body cover (12) of the traveling vehicle (1). in the left and right auxiliary step (125) rice transplanter ing by disposing the central air tank left and right sides of (42) air tank (421) (422) rotatably through the first pivot axis (126) Connected, a blower (41) is fixed to the outer end of one of the left and right tanks (422), and the left and right air tanks (421) and (422) rotate approximately horizontally around the fulcrum shaft (126). Let the left and right auxiliary step 125) A second fulcrum shaft that is configured to move upward and has left and right feeding cases (381) and (382) on both sides of the central feeding case (38) at a position different from the first fulcrum shaft (126). The left and right feeding cases (381) and (382) are rotated in a substantially horizontal direction around the second fulcrum shaft (142), and the left and right feeding cases (381) and (382) are rotated. ) Is moved to the upper side of the left and right auxiliary step (125), and the left and right hoppers (371) (372) and the left and right feeding cases (381) (382) are rotated to the fertilization work position or the folding storage position. said second pivot axis (142), the blower (41) and said right and left air tank (421) (422) said first pivot shaft for rotating the fertilizer working position or folded storage position 126) and, provided on the vehicle (1) of the driver's seat (13) lateral installation within the width of the left and right auxiliary step out to the left and right both sides Zhang (125), the central and left and right air tank (42) (421) outboard portion by collision set and also the central and left and right feeding casing (38) of the the outboard than the first pivot shaft disposed in the connecting portion (126) an auxiliary step (125) of (422) (381 ) (above collision set the outboard portion of the auxiliary step (125) to the outboard than the second pivot shaft disposed in the joint portion (142) of 382), the right and left of the feeding case (381) (382) and in the left and right air tank to 421 (422) which is configured so as to accommodated upward in lateral installation width of the auxiliary step (125), outboard of the hopper (371) (372) and feeding casing (381) ( 382) and And the air tanks (421) and (422) can be folded to the inside of the traveling vehicle (1) to reduce the lateral width, and the lateral width of the traveling vehicle (1) can be easily changed without removing the fertilizer (36). At the same time, the hoppers (371) and (372), the feeding cases (381) and (382), and the air tanks (421) and (422) on the outside of the machine can be easily transferred to the fertilization work position or the folding storage position. It is possible to easily improve the transportation workability used.
[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 side view of the same.
FIG. 6 is an explanatory side view of an elevating 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 view of the fertilizer feeding case portion.
FIG. 11 is an explanatory side view of the feeding drive input unit.
FIG. 12 is a cross-sectional side view of a fertilizer feeding case.
FIG. 13 is a plan view of the fertilizer application portion on the right side.
FIG. 14 is a plan view of the left side of the fertilizer application part.
FIG. 15 is a plan view of the right side of the air tank.
FIG. 16 is a plan view of the left side of the air tank.
FIG. 17 is a rear view on the right side of the fertilizer application part.
FIG. 18 is a right side view of the right side of the fertilizer section.
FIG. 19 is a plan view of a right feeding case portion.
FIG. 20 is a plan view of a left feeding case part.
FIG. 21 is an enlarged view of FIG. 19;
FIG. 22 is a side view of a hopper lid opening.
[Explanation of symbols]
(1) Traveling vehicle (12) Car body cover (13) Driver's seat (36) Fertilizer (37) (371) (372) Hopper (38) (381) (382) Feeding case (41) Blower (42) (421 ) (422) Air tank (125) Auxiliary step (126) First fulcrum shaft (142) Second fulcrum shaft

Claims (1)

複数組のホッパ(37)(371)(372)及び繰出ケース(38)(381)(382)を左右方向に並設させ、かつ複数組のエアタンク(42)(421)(422)を左右方向に延設させる施肥部(36)を走行車(1)に設け、前記走行車(1)の車体カバー(12)の両側に左右補助ステップ(125)を配設させてなる田植機において、
前記中央のエアタンク(42)の両側に左右エアタンク(421)(422)を第1支点軸(126)を介して回動可能に連結させ、前記左右のうち一方のタンク(422)の機外側端に送風機(41)を固設し、
前記支点軸(126)を中心に前記左右エアタンク(421)(422)を略水平に回転させて前記左右補助ステップ(125)上方に移行させるように構成し、
前記中央の繰出ケース(38)の両側に左右繰出ケース(381)(382)を、前記第1支点軸(126)とは異なる位置の第2支点軸(142)を介して回動可能に連結させ、
前記左右繰出ケース(381)(382)を前記第2支点軸(142)回りに略水平方向に回転させ、前記左右繰出ケース(381)(382)を前記左右補助ステップ(125)上方に移行させるように構成し、
前記左右のホッパ(371)(372)及び左右の繰出ケース(381)(382)を施肥作業位置または折畳み収納位置に回転させる前記第2支点軸(142)と、前記送風機(41)及び前記左右のエアタンク(421)(422)を施肥作業位置または折畳み収納位置に回転させる前記第1支点軸(126)を、前記走行車(1)の運転席(13)両側で左右に張出す前記左右補助ステップ(125)の左右設置幅内に設け、
前記中央と左右のエアタンク(42)(421)(422)の連結部に配置した前記第1支点軸(126)よりも機外側に前記補助ステップ(125)の機外側を突設し
また前記中央と左右の繰出ケース(38)(381)(382)の接合部に配置した前記第2支点軸(142)よりも機外側に前記補助ステップ(125)の機外側部を突設し
前記左右の繰出ケース(381)(382)並びに左右のエアタンク(421)(422)を前記補助ステップ(125)の左右設置幅内で上方に収納させるように構成したことを特徴とする田植機。
Plural sets of hoppers (37) (371) (372) and feeding cases (38) (381) (382) are juxtaposed in the left-right direction, and plural sets of air tanks (42) (421) (422) are arranged in the left-right direction. fertilization portion to extend (36) provided on the vehicle (1), in the vehicle (1) rice transplanter ing by disposing the left and right auxiliary step (125) on both sides of the body cover (12) of the,
Left and right air tanks (421) and (422) are rotatably connected to both sides of the central air tank (42) via a first fulcrum shaft (126), and the outside end of one of the left and right tanks (422) is connected. The blower (41) is fixed to the
The left and right air tanks (421) and (422) are rotated substantially horizontally around the fulcrum shaft (126) so as to move upward in the left and right auxiliary step (125),
Left and right paying cases (381) and (382) are connected to both sides of the central paying case (38) via a second fulcrum shaft (142) at a position different from the first fulcrum shaft (126). Let
The left and right paying cases (381) and (382) are rotated in a substantially horizontal direction around the second fulcrum shaft (142), and the left and right paying cases (381) and (382) are moved above the left and right auxiliary steps (125). Configured as
And the right and left of the hopper (371) (372) and the left and right feeding casing (381) (382) said second pivot shaft for rotating the fertilizer working position or folded storage position (142), the blower (41) and the right and left air tank (421) (422) said first pivot shaft for rotating the fertilizer working position or folded storage position (126) and a driver's seat (13) the right to issue the left and right sides Zhang said vehicle (1) Provided within the left and right installation width of the auxiliary step (125),
Above collision set the outboard portion of the auxiliary step (125) to the outboard than the first pivot shaft disposed in the connecting portion (126) of the central and left and right air tank (42) (421) (422),
The above collision set the outboard portion of the auxiliary step (125) to the outboard than the second pivot shaft disposed in the joint portion (142) of the central and left and right feeding cases (38) (381) (382) ,
Rice transplanter, characterized by being configured so as to housed above the left and right feeding casing (381) (382) as well as right and left air tank (421) (422) in a lateral installation width of the auxiliary step (125).
JP21455599A 1999-07-29 1999-07-29 Rice transplanter Expired - Fee Related JP3672074B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21455599A JP3672074B2 (en) 1999-07-29 1999-07-29 Rice transplanter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21455599A JP3672074B2 (en) 1999-07-29 1999-07-29 Rice transplanter

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP05239996A Division JP3628419B2 (en) 1996-02-14 1996-02-14 Rice transplanter

Publications (2)

Publication Number Publication Date
JP2000037112A JP2000037112A (en) 2000-02-08
JP3672074B2 true JP3672074B2 (en) 2005-07-13

Family

ID=16657673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21455599A Expired - Fee Related JP3672074B2 (en) 1999-07-29 1999-07-29 Rice transplanter

Country Status (1)

Country Link
JP (1) JP3672074B2 (en)

Also Published As

Publication number Publication date
JP2000037112A (en) 2000-02-08

Similar Documents

Publication Publication Date Title
JP3672074B2 (en) Rice transplanter
JP3628420B2 (en) Rice transplanter
JP3628419B2 (en) Rice transplanter
JP3628421B2 (en) Rice transplanter
JP3670087B2 (en) Rice transplanter fertilizer
JP3328776B2 (en) Rice transplanter
JP3602662B2 (en) Rice transplanter fertilizer
JP3328774B2 (en) Rice transplanter
JP3489769B2 (en) Rice transplanter fertilizer
JP3628474B2 (en) Rice transplanter fertilizer
JP3328775B2 (en) Rice transplanter
JP3141131B2 (en) Rice transplanter
JP3409152B2 (en) Rice transplanter
JP3907060B2 (en) Rice transplanter fertilizer
JP3640038B2 (en) Agricultural hopper equipment
JP3521040B2 (en) Rice transplanter
JP3314293B2 (en) Rice transplanter
JP3700826B2 (en) Rice transplanter
JP3998866B2 (en) Fertilizer
JP3668236B2 (en) Rice transplanter fertilizer
JP3328777B2 (en) Rice transplanter
JP3700825B2 (en) Rice transplanter
JP3259173B2 (en) Rice transplanter
JP3668237B2 (en) Rice transplanter fertilizer
JP3628481B2 (en) Rice transplanter

Legal Events

Date Code Title Description
RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20040531

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20040709

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20040709

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050217

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20050413

LAPS Cancellation because of no payment of annual fees