JP3640031B2 - Rice transplanter - Google Patents

Rice transplanter Download PDF

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Publication number
JP3640031B2
JP3640031B2 JP29766395A JP29766395A JP3640031B2 JP 3640031 B2 JP3640031 B2 JP 3640031B2 JP 29766395 A JP29766395 A JP 29766395A JP 29766395 A JP29766395 A JP 29766395A JP 3640031 B2 JP3640031 B2 JP 3640031B2
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case
fertilizer
blower
intake
air
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JPH09107753A (en
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井 邦 夫 土
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】
この種送風機にあっては、送風機の吸気口を下向きに設けて、雨水などが送風機に吸込まれて施肥供給部に送られるのを防止する手段などがあるが、送風機の吸込力によって吸気口近辺に付着する水滴などが吸込まれて、肥料が吸湿し施肥供給部内の肥料が詰まるなどの不都合がある。
【0003】
【課題を解決するための手段】
請求項1に係る発明は、肥料を入れる施肥ホッパと、該ホッパの肥料を送出させる多条用の肥料繰出ケースと、前記ケースの肥料送出部に送風を供給するエアタンクと、前記エアタンク一側に設ける送風機とを備え、前記送風機は送風ファンとファンケースとからなる田植機において、吸気口を下向きに開口するための吸気ケースを前記ファンケースの側面に配置し、前記吸気口を覆うための吸気カバーを前記吸気ケースの下端部に取外し自在に取付け、前記吸気ケースの下端部を前記吸気カバーの略中央に連結し、前記吸気カバーの下向き開口縁部の口面積を、前記吸気口の口面積よりも大きく形成し、前記吸気口部の吸込力に比べて前記吸気カバーの開放縁部の吸込力を小さくするように構成したもので、吸気カバーの開放縁部に水滴が付着しても弱い吸込力によって吸気口にこの水滴が吸込まれるのを防いで、吸湿による肥料詰まりなどを解消させるものである。
【0004】
請求項2に係る発明は、前記吸気ケースの下端部を前記吸気カバーの略中央に連結したものであるから、吸気カバーの開放縁部に水滴が付着しても弱い吸込力によって吸気口にこの水滴が吸込まれるのを防止できる。
【0005】
【発明の実施の形態】
以下、本発明の実施例を図面に基づいて詳述する。図1は送風部の背面説明図、図2は乗用田植機の側面図、図3は同平面図を示し、図中(1)は作業者が搭乗する走行車であり、エンジン(2)を車体フレーム(3)前部上方に搭載させ、ミッションケース(4)前方にフロントアクスルケース(5)を介して水田走行用前輪(6)を支持させると共に、前記ギヤ変速ケース(4)の後部にリヤアクスルケース(7)を連設し、前記リヤアクスルケース(7)に水田走行用後輪(8)を支持させる。そして前記エンジン(2)等を覆うボンネット(9)両側に予備苗載台(10)を取付けると共に、ステップ(11)を介して作業者が搭乗する車体カバー(12)によって前記ミッションケース(4)等を覆い、前記車体カバー(12)上部に運転席(13)を取付け、その運転席(13)の前方で前記ボンネット(9)後部に操向ハンドル(14)を設ける。
【0006】
また、図中(15)は6条植え用の苗載台(16)並びに複数の植付爪(17)などを具備する植付部であり、前高後低の合成樹脂製の前傾式苗載台(16)を下部レール(18)及びガイドレール(19)を介して植付ケース(20)に左右往復摺動自在に支持させると共に、一方向に等速回転させるロータリケース(21)を前記植付ケース(20)に支持させ、該ケース(21)の回転軸芯を中心に対称位置に一対の爪ケース(22)(22)を配設し、その爪ケース(22)(22)先端に植付爪(17)(17)を取付ける。また前記植付ケース(20)の前側にローリング支点軸(23)を介して支持フレーム(24)を設け、トップリンク(25)及びロワーリンク(26)を含むリンク機構(27)を介して走行車(1)後側に支持フレーム(24)を連結させ、前記リンク機構(27)を介して植付部(15)を昇降させる昇降シリンダ(28)をロワーリンク(26)に連結させ、前記前後輪(6)(8)を走行駆動して移動すると同時に、左右に往復摺動させる苗載台(16)から一株分の苗を植付爪(17)によって取出し、連続的に苗植え作業を行うように構成する。
【0007】
また、図中(29)は走行変速レバー、(30)は植付昇降兼作業走行変速用副変速レバー、(31)は植付け感度調節レバー、(32)は主クラッチペダル、(33)(33)は左右ブレーキペダル、(34)は2条分均平用センターフロート、(35)は2条分均平用サイドフロート、(36)は6条用の側条施肥機である。
【0008】
さらに、図4、図5にも示す如く、肥料を入れる肥料タンクである施肥ホッパ(37)と、肥料を定量供給する肥料繰出ケース(38)と、施肥部であるフロート(34)(35)の側条作溝器(39)にフレキシブル形搬送ホース(40)を介して肥料を排出させるターボブロワー型送風機(41)と、円筒形のエアタンク(42)とを、前記施肥機(36)に備えると共に、エアタンク(42)右側端に送風機(41)を取付け、6条分の6組の肥料繰出ケース(38)…をエアタンク(42)上側に配設させている。
【0009】
さらに、図6乃至図11に示す如く、前記車体フレーム(3)後端の左右支柱(43)上端間に横架する水平フレーム(44)両側に左右ベースフレーム(45)(45)を取付け、前後方向に略水平に横架させる前記ベースフレーム(45)を介して施肥機(36)を設けると共に、左右ベースフレーム(45)(45)にブラケット(46)(46)を介してエアタンク(42)をボルト止め固定させるもので、ベースフレーム(45)後端部と車体フレーム(3)間にサイドステー(47)を連結させ、ベースフレーム(45)前後側に前後昇降レール(48)(49)…を立設させ、前後一組左右二対の4本の該昇降レール(48)(48)(49)(49)を介して施肥機(36)を昇降自在に取付けると共に、左右一対の2本のガススプリング(50)(50)によって昇降自在に施肥機(36)を取付け、車体フレーム(3)後端部に配置させるリヤアクスルケース(7)に施肥機(36)重量を支持させるもので、図12にも示す如く、前後昇降レール(48)(49)に対向させる軸受板(51)を設け、前記レール(48)(49)に転動自在に嵌込むベアリングローラ(52)…を軸受板(51)に回転自在に軸支させ、前後2本のレール(48)(49)を左右対称に2組設け、1本のレール(48)(49)に対して上下2個のローラ(52)(52)を取付け、左右一対の軸受板(51)(51)を4本のレール(48)(49)と8個のローラ(52)…によってベースフレーム(45)に昇降自在に支持させている。
【0010】
また、前記ガススプリング(50)の下端を前記車体フレーム(3)に連結させ、前記軸受板(51)にガススプリング(50)上端を連結させ、前記レール(48)(49)とガススプリング(50)を略平行に立設させると共に、施肥機(36)の前後幅方向の重心位置にガススプリング(50)を連結させるもので、施肥機(36)の重量と略等しいかまたは若干小さい伸張力をガススプリング(50)が有するように構成している。
【0011】
さらに、図12乃至図15に示す如く、左右の軸受板(51)(51)を丸パイプ形の前フレーム(53)によって一体固定させ、施肥機(36)を持上げるときに作業者が握る取手(54)を前記前フレーム(53)に溶接固定させ、左右の前記軸受板(51)(51)に支軸(55)(55)を介して左右ロックレバー(56)(56)を回転自在に軸支させ、前側の左右昇降レール(48)(48)に左右ロックレバー(56)(56)を介して左右軸受板(51)(51)前部を係止させると共に、後側の左右昇降レール(49)(49)に左右ロックピン(57)(57)を摺動自在に取付け、図12に示す軸受板(51)の係合孔(58)にロックピン(57)を係脱自在に係入させ、後側の左右昇降レール(49)(49)に左右軸受板(51)(51)後部を左右ロックピン(57)(57)を介して係止させ、軸受板(51)の前部と後部を前後の昇降レール(48)(49)にロックレバー(56)とロックピン(57)により固定させる。また図15、図19に示す如く、前記昇降レール(48)に上下係合孔(58)(59)を形成させ、各係合孔(58)(59)にロックレバー(56)を係入させて施肥機(36)を上昇位置または下降位置で固定支持させるもので、ロックレバー(56)を前記取手(54)の下側に延出させ、運転席(13)側に突設させる取手(54)を作業者が握り乍らロックレバー(56)を操作し、ロックレバー(56)を係合孔(58)(59)から離脱させることができるように構成している。
【0012】
また、前記前フレーム(53)にケース前ブラケット(60)を溶接固定させ、該ケース前ブラケット(60)に前記繰出ケース(38)前側をボルト止め固定させるもので、1ユニットとして構成する中央2条分の繰出ケース(38)(38)を左右の昇降レール(48)(49)間に配設させ、昇降レール(48)(49)の機外側に左右各2条分の繰出ケース(38)(38)を夫々配設させ、2条1組として3ユニットの繰出ケース(38)…を左右に並設させている。
【0013】
さらに、図16乃至図18に示す如く、前記繰出ケース(38)の上面前側の取入口(61)に前記ホッパ(37)の下部出口(62)を嵌着させると共に、前記繰出ケース(38)前面下側に取出口(63)を形成し、着脱自在なキャップ(64)によって取出口(63)を閉塞している。前記キャップ(64)を取外して取出口(63)を開放し、ホッパ(37)内部の肥料を前側下方に流下させるもので、このときに施肥機(36)を昇降レール(48)(49)の上昇位置に支持させ、取出口(63)と下方のエアタンク(42)の間隔を拡大させ、肥料を入れる容器を前記取出口(63)下方に容易に差し入れることができ、残留肥料の取出しを容易に行えるように構成している。
【0014】
また、前記繰出ケース(38)下面に閉塞レバー(65)を介して底蓋(66)を着脱自在に固定させると共に、硬質合成樹脂製の前記底蓋(66)下面に出口(67)を形成するもので、エアタンク(42)に前端部を嵌着させる軟質合成樹脂製の接合パイプ(68)を備え、該パイプ(68)後端に硬質合成樹脂製のホースジョイント(69)前端を着脱自在に嵌着させると共に、前記ジョイント(69)後端に前記搬送ホース(40)を嵌着させ、前記送風機(41)の送風をエアタンク(42)から各パイプ(68)…及びホース(40)に吹出させ、底蓋(66)の出口(67)からジョイント(69)中間に落下する肥料を搬送ホース(40)に移動させるもので、T字形フランジを形成する前記ジョイント(69)中間に入口(70)を上向き開放に形成し、底蓋(66)の出口(67)に嵌合キャップ(71)を固定させ、該キャップ(71)を前記入口(70)に着脱自在に嵌着させ、出口(67)を入口(70)に接続させると共に、前記エアタンク(42)に取付板(72)を一体固定させ、取付板(72)に前記ジョイント(69)をボルト止め固定させている。
【0015】
また、取入口(73)及び吹出口(74)を有する入口板(75)と、同一円周上に略四角形の複数の繰出口(76)…を有する繰出板(77)と、排出口(78)を有する出口板(79)を備え、略円形平板製の前記各板(75)(77)(79)を繰出ケース(38)と底蓋(66)の間に多層状に配設させると共に、繰出ケース(38)に繰出軸(80)を略垂直に回転自在に軸支させ、各板(75)(77)(79)の中央部に繰出軸(80)下端側を貫通させ、各板(75)(77)(79)を下方に抜出し自在に繰出軸(80)に支持させ、かつ閉塞レバー(65)によって各板(75)(77)(79)を繰出ケース(38)と底蓋(66)間に弾圧させるもので、入口板(75)と出口板(79)を繰出ケース(38)に係止させ、各板(75)(79)に対して繰出軸(80)を遊転させると共に、繰出板(77)を繰出軸(80)に係合軸支させ、繰出軸(80)によって繰出板(77)を強制的に回転させ、取入口(73)から繰出口(76)に入った肥料を排出口(78)に移動させて出口(67)方向に落下させるように構成している。
【0016】
また、前記取入口(73)端部で繰出口(76)上面の余分な肥料を取除くブラシ(82)を備え、高さ調節する撮(83)を介して前記ブラシ(82)を繰出ケース(38)に高さ調節自在に取付け、繰出板(77)上面に対するブラシ(82)下端の高さ調節を繰出ケース(38)外部から行い、繰出口(76)の肥料送出量を調節するように構成している。
【0017】
また、前記入口板(75)の吹出口(74)に対向させる圧風取入口(84)を繰出ケース(38)に形成し、前記エアタンク(42)の中空部と前記圧風取入口(84)を分流パイプ(85)によって連通させ、前記パイプ(85)及び取入口(84)を介して送風機(41)及びエアタンク(42)からの送風を吹出口(74)に供給し、排出口(78)位置に移動した繰出口(76)に吹出口(74)から送風し、該送風によって繰出口(76)の肥料を下方に強制的に落下させ、粒形の肥料またはこの粉が繰出口(76)内に残るのを防ぐように構成している。
【0018】
さらに、図7、図10、図15にも示す如く、前記エンジン(2)出力を植付部(15)に伝達させるPTO軸(86)をミッションケース(4)から後方に延出させると共に、前記左支柱(43)に軸受ケース(87)を溶接固定させ、軸受ケース(87)の入力軸(88)を前記PTO軸(86)中間にチェン(89)を介して連動連結させ、軸受ケース(87)の出力軸(90)後端部にクランク板(91)をボールロック構造により着脱自在に固定させる。また、前記軸受板(51)及びケース後ブラケット(92)を一体固定させる四角パイプ形後面フレーム(93)を備え、エアタンク(42)及び前フレーム(53)と略平行に後面フレーム(93)を横架させ、ケース後ブラケット(92)に前記繰出ケース(38)後側をボルト止め固定させる。
【0019】
また、前記左の軸受板(51)にブラケット(94)及び軸(95)を介して繰出量調節レバー(96)を軸支させると共に、左の軸受板(51)に支軸(97)を介して調節リンク(98)及び支点リンク(99)を設け、前記レバー(96)のネジ部(100)に調節リンク(98)を連結させ、支点リンク(99)に調節支点(101)を取付け、該支点(101)に駆動アーム(102)を軸支させる。そして、運転席(13)方向に突出させる前記レバー(96)の回転操作によってネジ部(100)を回転させることにより、前記各リンク(98)(99)が一体的に回転し、前記調節支点(101)位置を変更させるもので、運転席(13)の作業者によって前記レバー(102)の繰出量調節操作が行えるように構成している。
【0020】
また、前記後面フレーム(93)に軸受板(103)を介して繰出駆動軸(104)を回転自在に軸支させ、該駆動軸(104)に揺動アーム(105)を固定させ、前記駆動アーム(102)に長さ調節自在な伸縮ロッド(106)一端側を連結させ、かつ前記揺動アーム(105)に前記伸縮ロッド(106)の他端側を連結させると共に、前記クランク板(91)を駆動アーム(102)に入力ロッド(107)を介して連結させ、植付駆動用のPTO軸(86)から入力ロッド(107)及び駆動アーム(102)を介して繰出駆動軸(104)に駆動力を伝え、図示しない植付クラッチの入切によって植付部(15)と施肥機(36)を同時に作動させたり停止させる操作を行い、また前記出力軸(90)に対してクランク板(91)を取外して駆動部を切離して施肥機(36)の上昇部を持上げる操作を行うもので、前記レバー(96)操作により調節支点(101)を位置変更させ、伸縮ロッド(106)の往復ストロークを無段階に変更させて肥料繰出量の無段調節を行うように構成している。
【0021】
さらに、図9に示す如く、前記後面フレーム(93)に連れ回り防止一方向クラッチ(108)を介してクラッチ軸(109)を軸支させ、該クラッチ軸(109)に一方向クラッチ(110)を介して入力リンク(111)を設けると共に、前記繰出駆動軸(104)に揺動リンク(112)を固定させ、該リンク(112)を前記入力リンク(111)に連係ロッド(113)を介して連結させ、入力リンク(111)を揺動させてクラッチ軸(109)を一方向に間欠的に回転させるように構成している。
【0022】
また、前記繰出ケース(38)に条止めクラッチケース(114)を固定させると共に、前記繰出軸(80)上端側にベベルギヤ(115)(116)を介して入力軸(117)を常時連結させるもので、入力軸(117)を前記クラッチ軸(109)に継断自在に連結させる条止めクラッチ(図示省略)を前記クラッチケース(114)に内設させると共に、前記ケース(114)の条止めクラッチを継断操作するクラッチレバー(118)とクラッチアーム(119)を前記クラッチケース(114)の前後に振分け配設させ、前記植付部(15)の苗載台(16)上側背面部に設ける植付け条止め用ユニットクラッチレバー(120)に、後面フレーム(98)のアウタ受(121)により張設させる条止めワイヤ(122)を介して、前記クラッチアーム(119)を連結させる。そして、前記植付け条止めユニットクラッチレバー(120)操作によって6条植え用の各植付爪(17)…のいずれかを停止させたとき、停止させた植付爪(17)に対応する前記ケース(114)の条止めクラッチを切断動作させて施肥動作を中止させ、植付爪(17)によって苗を植付ける条にだけ施肥を行うように構成している。
【0023】
さらに、図12乃至図14にも示す如く、中央2条分の肥料繰出ケース(38)(38)取付位置外側で前フレーム(53)と後面フレーム(93)に左右の軸受板(51)(51)を溶接固定させると共に、前フレーム(53)と後面フレーム(93)の両端部を左右のサイドフレーム(123)(123)によって一体固定させ、両側2条分の肥料繰出ケース(38)(38)を軸受板(51)とサイドフレーム(123)間の前フレーム(53)及び後面フレーム(93)に取付けるもので、四角枠形の各フレーム(53)(93)(123)を軸受板(51)によって左右方向に三等分に区切り、前後のフレーム(53)(93)間に6条分の肥料繰出ケース(38)を掛け渡し支持させる。
【0024】
図13、図16、図18にも示す如く、前記繰出ケース(38)と前フレーム(53)間に設けるブラケット(60)には横方向に長径の覗穴(124)を開設していて、繰出ケース(38)に底蓋(66)を組付ける際、苗載台(16)側に回り込むことなく正面側より容易に位相などの確認を行って、これら組付けの取扱い性を向上させるように構成している。
【0025】
また図16に示す如く、前記ホースジョイント(69)と搬送ホース(40)との接続にあっては、ホースジョイント(69)の出口内径部(69a)に搬送ホース(40)の入口外径部(40a)を、別途ジョイントなどを用いることなく直接的に挿入結合させて、軽量・コンパクトな構成とすると共に着脱操作の容易化を図ってメンテナンス性を向上させるように構成している。
【0026】
図1、図19にも示す如く、送風ファン(125)を内設させる合成樹脂製のファンケース(126)と、該ファンケース(126)に形成する空気吸込口である吸気口(127)及び排気口(128)と、前記送風ファン(125)を回転させる電動ファンモータ(129)を、前記送風機(41)に設け、ファンケース(126)に固定するステー(130)をエアタンク(42)に固定する取付台(131)に支点軸(132)を介し水平回転自在に支持させて、送風機(41)を機内側に収納可能とするように構成している。
【0027】
また、前記ファンケース(126)の吸気口(127)は、該ケース(126)の背面側で下方に一体延設する断面4角形の吸気ケース(126a)の下端に下向きに設けて、雨水・夾雑物・塵などがファンケース(126)内に吸込まれるのを防止すると共に、前記吸気口(127)に複数の線材(133a)を等間隔に並べて形成するガード(133)を張設して、軽量且つ大きな夾雑物や塵などが吸気口(127)付近まで飛来する状態のときにも、ガード(133)によってこれらの吸込みを防止して防塵性を向上させ、また手や衣服が誤って吸気口(127)に差し込まれるのを防止して安全性を向上させ、さらには吸気の際に空気の流れを整え、空気のパワーや騒音を抑制させるなどして吸気性を良好とさせるように構成している。
【0028】
さらに、前記吸気口(127)にはガード(133)と一体に皿形状の吸気カバー(134)をボルト(135)を介し取外し自在に設けるもので、吸気カバー(134)は吸気口(127)に合致させる穴(136)を中央に開放し、周囲折曲縁(134a)の口面積を吸気口(127)の口面積より大に形成して、吸気口(127)より折曲縁(134a)近辺の吸込力を小とさせることによって、折曲縁(134a)に雨水などの水滴が付着しても、水滴を吸気口(127)に吸込むことのないように構成している。
【0029】
また、エアタンク(42)右側端前側の取付台(131)に支点軸(132)を介してステー(130)を垂直軸芯回りに回転自在に連結させて、図1に実線で示す作業位置または仮想線で示す収納位置に送風機(41)を移動自在に取付けるもので、収納位置に送風機(41)を固定させる抜き差し自在なピン(137)を設けると共に、着脱自在にボルト止め固定させる鉄板製の受板(138)及び当板(139)を鉄パイプ製エアタンク(42)右側端と鉄板製ステー(130)に夫々固定させ、作業位置に送風機(41)を受板(138)と当板(139)のボルト(140)止めによって固定させる。なお、取付台(131)及び受板(138)をエアタンク(42)に溶接固定させ、当板(139)をステー(130)にボルト止め固定させている。
【0030】
前記ステー(130)はコ形状に形成し、下側の折曲縁(130a)を、コ形状にタンク(42)に固定する取付台(131)の上側面(131a)に摺接させるように設けたもので、前記取付台(131)には送風機(41)の作業及び収納位置を検出する送風スイッチ(141)と、前記ピン(137)の係合ピン孔(142)を有するピン係合部材(143)とを備えると共に、前記支点軸(132)を取付台(131)に固定させて、該支点軸(132)に前記ステー(130)を上下動自在に嵌合支持させている。
【0031】
そして、前記送風機(41)の作業位置時にあっては、取付台(131)の開口(144)より上方に突出させるスイッチ操作板(145)を下側折曲縁(130a)によって押圧操作して、スイッチ(141)をオンとさせてファン(125)を回転する一方、送風機(41)の収納時にあっては支点軸(132)に沿って一定寸法上動させて該軸(132)を中心に前記ピン孔(142)位置まで回動させるとき、前記上側面(131a)より一定寸法突出させるピン係合部材(143)に、ステー(130)の折曲縁(130a)下面を当接保持させて、それ以上の下動を係合部材(143)に阻止するように構成している。そしてこの場合ピン係合部材(143)の突出長(L)は、スイッチ操作板(45)が上側面(131a)より突出する突出長さより大に形成すると共に、送風機(41)の収納時には前記スイッチ操作板(145)上方を折曲縁(130a)で覆う状態に設けて、ピン係合部材(143)に折曲縁(130a)を当接保持させての収納状態時には、スイッチ(141)をオフ保持してファン(125)の回転を停止維持させ、またスイッチ(141)をオン操作するにも、ステー(130)によって操作不可能とするように構成したものであり、さらに送風機(41)は吸気カバー(134)をその都度取外すことなく装着させたまま収納可能に構成したものである。
【0032】
図23に示す如く、電源リレー(146)のリレースイッチ(147)を介して前記ファンモータ(126)に電源(148)を接続させると共に、前記副変速レバー(30)の植付クラッチ入操作によってオンになる植付スイッチ(149)と、前記送風スイッチ(141)とを電源リレー(146)に直列接続させて、植付クラッチの入で送風スイッチ(141)のオン時に送風機(41)の駆動を行うように構成している。
【0033】
また図24は、前記吸気ケース(126a)の先端に吸気ダクト(150)の一端を接続固定させると共に、該ダクト(150)の他端を車体カバー(12)で覆われる機体内側に臨ませて、吸気カバー(134)にも直接的に雨水などがかかるのを防止して、肥料の一層の吸湿防止を図るように構成したものである。
【0034】
さらに図25は、前記車体フレーム(3)の内部を空気を前端から取入れる給気風路(151)に形成し、該車体フレーム(3)の後端に吸気ダクト(152)を介し吸気ケース(126a)を連通接続させて、肥料のより効果的な吸湿を図るように構成したものである。
【0035】
【発明の効果】
以上実施例から明らかなように、請求項1に係る発明は、肥料を入れる施肥ホッパ(37)と、該ホッパ(37)の肥料を送出させる多条用の肥料繰出ケース(38)と、前記ケース(38)の肥料送出部に送風を供給するエアタンク(42)と、前記エアタンク(42)一側に設ける送風機(41)とを備え、前記送風機(41)は送風ファン(125)とファンケース(126)とからなる田植機において、吸気口(127)を下向きに開口するための吸気ケース(126a)を前記ファンケース(126)の側面に配置し、前記吸気口(127)を覆うための吸気カバー(134)を前記吸気ケース(126a)の下端部に取外し自在に取付け、前記吸気カバー(134)の下向き開口縁(134a)部の口面積を、前記吸気口(127)の口面積よりも大きく形成し、前記吸気口(127)部の吸込力に比べて前記吸気カバー(134)の開放縁(134a)部の吸込力を小さくするように構成したもので、吸気カバー(134)の外周に水滴が付着しても弱い吸込力によって吸気口(127)にこの水滴が吸込まれるのを防いで、吸湿による肥料詰まりなどを有効に解消させることができるものである。
【0036】
また、前記吸気ケース(126a)の下端部を前記吸気カバー(134)の略中央に連結したものであるから、吸気カバー(134)の開放縁(134a)部に水滴が付着しても弱い吸込力によって吸気口(127)にこの水滴が吸込まれるのを防止できる。
【図面の簡単な説明】
【図1】送風部の背面説明図である。
【図2】全体の側面図である。
【図3】同平面図である。
【図4】施肥機部の平面図である。
【図5】同背面図である。
【図6】同側面説明図である。
【図7】昇降レール部側面説明図である。
【図8】肥料繰出ケース部の側面説明図である。
【図9】肥料繰出ケース部の平面説明図である。
【図10】ベースフレーム部の背面説明図である。
【図11】肥料繰出ケース部の背面説明図である。
【図12】軸受板部の側面説明図である。
【図13】取手部の平面説明図である。
【図14】同背面説明図である。
【図15】同側面説明図である。
【図16】肥料繰出ケースの断面側面説明図である。
【図17】同断面背面説明図である。
【図18】同断面平面説明図である。
【図19】送風機の平面説明図である。
【図20】送風機の断面平面説明図である。
【図21】送風機の側面説明図である。
【図22】送風機の回動説明図である。
【図23】回路説明図である。
【図24】吸気ダクトの説明図である。
【図25】給気風路の側面説明図である。
【符号の説明】
(37)施肥ホッパ
(38)繰出ケース
(41)送風機
(42)エアタンク
(125)送風ファン
(126)ファンケース
(126a)吸気ケース
(127)吸気口
(134)吸気カバー
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to, for example, a rice transplanter that includes a seedling stage and a planting claw and performs seedling planting work continuously.
[0002]
[Problems to be solved by the invention]
In this type of blower, there is a means to prevent the rainwater etc. from being sucked into the blower and sent to the fertilizer supply section by providing the blower's air intake port downward, but in the vicinity of the air intake by the blower's suction force Water droplets adhering to the fertilizer are sucked in, so that the fertilizer absorbs moisture and the fertilizer in the fertilizer supply section is clogged.
[0003]
[Means for Solving the Problems]
The invention according to claim 1, a fertilizer hopper cart add fertilizer and fertilizer feeding case for a multi-strip for delivering a fertilizer of the hopper, and the air tank for supplying blowing air to the fertilizer delivery portion of the case, the air tank one side in rice transplanter a blower, the blower comprising a blowing fan and a fan case of providing a suction case for opening the inlet downwardly disposed sides of the fan case, the intake for covering the air inlet A cover is removably attached to the lower end portion of the intake case, the lower end portion of the intake case is connected to the approximate center of the intake cover, and the mouth area of the downward opening edge of the intake cover is defined as the mouth area of the intake port. It is formed to be larger than, those configured so as to reduce the suction force of the open edge of the intake cover than the suction force of the air inlet portion, water droplets in the open edge of the suction cover Prevents the this water droplet is sucked into the intake port by a weak suction force be worn, is intended to eliminate the fertilizer clogging due to moisture absorption.
[0004]
In the invention according to claim 2, since the lower end portion of the intake case is connected to the approximate center of the intake cover, even if water drops adhere to the open edge of the intake cover, Water droplets can be prevented from being sucked.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a rear view of a blower, FIG. 2 is a side view of a riding rice transplanter, FIG. 3 is a plan view thereof, (1) is a traveling vehicle on which an operator is boarded, and an engine (2) The vehicle body frame (3) is mounted above the front part, the front wheel (6) for paddy field traveling is supported via the front axle case (5) in front of the transmission case (4), and at the rear part of the gear transmission case (4). A rear axle case (7) is provided continuously, and the rear axle case (7) supports the rear wheel (8) for paddy field travel. The spare seedling stage (10) is attached to both sides of the bonnet (9) covering the engine (2) and the like, and the mission case (4) is provided by a vehicle body cover (12) on which an operator boardes through the step (11). Etc., a driver's seat (13) is attached to the upper part of the vehicle body cover (12), and a steering handle (14) is provided at the rear of the bonnet (9) in front of the driver's seat (13).
[0006]
Further, in the figure, (15) is a planting part having a seedling mount (16) for six-row planting and a plurality of planting claws (17), etc. A rotary case (21) for supporting the seedling stage (16) on the planting case (20) through the lower rail (18) and the guide rail (19) so as to be slidable to the left and right and rotating at a constant speed in one direction. Is supported by the planting case (20), and a pair of claw cases (22) and (22) are arranged at symmetrical positions around the rotational axis of the case (21). The claw cases (22) and (22) ) Attach the planting claws (17) and (17) to the tip. A support frame (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and travels via a link mechanism (27) including a top link (25) and a lower link (26). A support frame (24) is connected to the rear side of the vehicle (1), and an elevating cylinder (28) for raising and lowering the planting part (15) via the link mechanism (27) is connected to the lower link (26), At the same time as the front and rear wheels (6) and (8) are driven to move, the seedlings are taken out from the seedling mount (16) that slides back and forth to the left and right with the planting claws (17), and seedlings are planted continuously. Configure to do work.
[0007]
In the figure, (29) is a traveling speed change lever, (30) is a sub-shifting lever for planting lifting and working traveling speed change, (31) is a planting sensitivity adjusting lever, (32) is a main clutch pedal, and (33) (33 ) Is a left and right brake pedal, (34) is a center float for leveling two strips, (35) is a side float for leveling two strips, and (36) is a side fertilizer for six strips.
[0008]
Further, as shown in FIGS. 4 and 5, a fertilizer hopper (37) that is a fertilizer tank into which fertilizer is put, a fertilizer feed case (38) that supplies fertilizer in a fixed amount, and a float (34) (35) that is a fertilizer. A turbo blower blower (41) that discharges fertilizer to the side groove grooving device (39) of the side through a flexible conveying hose (40) and a cylindrical air tank (42) are provided to the fertilizer applicator (36). In addition, a blower (41) is attached to the right end of the air tank (42), and six sets of fertilizer feed cases (38) for six strips are arranged on the upper side of the air tank (42).
[0009]
Further, as shown in FIGS. 6 to 11, left and right base frames (45) and (45) are attached to both sides of a horizontal frame (44) which is placed between the upper ends of the left and right columns (43) at the rear end of the body frame (3), A fertilizer applicator (36) is provided via the base frame (45) that is horizontally mounted in the front-rear direction, and an air tank (42) is attached to the left and right base frames (45) (45) via brackets (46) (46). ) Are fastened with bolts. A side stay (47) is connected between the rear end of the base frame (45) and the vehicle body frame (3), and the front and rear elevating rails (48) (49 ), And the fertilizer applicator (36) is mounted so as to be movable up and down via the four lifting rails (48), (48), (49), and (49) in a pair of front and rear. Two The fertilizer (36) is attached so as to be movable up and down by the springs (50) and (50), and the weight of the fertilizer (36) is supported by the rear axle case (7) disposed at the rear end of the vehicle body frame (3). As shown in FIG. 12, a bearing plate (51) is provided to face the front and rear lifting rails (48) and (49), and bearing rollers (52). (51) is rotatably supported, and two sets of two front and rear rails (48) and (49) are provided symmetrically, and two upper and lower rollers (52 are provided for one rail (48) and (49). ) (52) is attached, and a pair of left and right bearing plates (51) (51) is supported on the base frame (45) by four rails (48) (49) and eight rollers (52). ing.
[0010]
Further, the lower end of the gas spring (50) is connected to the vehicle body frame (3), the upper end of the gas spring (50) is connected to the bearing plate (51), and the rails (48) (49) and the gas spring ( 50) is erected substantially in parallel, and the gas spring (50) is connected to the position of the center of gravity in the front-rear width direction of the fertilizer applicator (36), and the stretch is substantially equal to or slightly smaller than the weight of the fertilizer applicator (36). The gas spring (50) is configured to have a force.
[0011]
Further, as shown in FIGS. 12 to 15, the left and right bearing plates (51) (51) are integrally fixed by a round pipe-shaped front frame (53), and the operator grips when lifting the fertilizer applicator (36). The handle (54) is fixed to the front frame (53) by welding, and the left and right bearing plates (51) (51) are rotated by the left and right lock levers (56) (56) via the support shafts (55) (55). The front left and right lifting rails (48) and (48) are engaged with the front left and right bearing plates (51) and (51) via the left and right lock levers (56) and (56), and the rear side Left and right lock pins (57) and (57) are slidably attached to the left and right lifting rails (49) and (49), and the lock pin (57) is engaged with the engagement hole (58) of the bearing plate (51) shown in FIG. Removably engage the rear left and right lifting rails (49) (49) The rear part of the right bearing plate (51) (51) is locked via the left and right lock pins (57) (57), and the front part and the rear part of the bearing plate (51) are locked to the front and rear lifting rails (48) (49). It is fixed by the lever (56) and the lock pin (57). Further, as shown in FIGS. 15 and 19, upper and lower engagement holes (58) and (59) are formed in the elevating rail (48), and a lock lever (56) is engaged in each engagement hole (58) and (59). The fertilizer applicator (36) is fixedly supported at the ascending position or the descending position, and the lock lever (56) extends below the handle (54) and protrudes toward the driver's seat (13). The operator can operate the lock lever (56) while gripping (54) to disengage the lock lever (56) from the engagement holes (58) (59).
[0012]
Further, a case front bracket (60) is fixed to the front frame (53) by welding, and the front side of the feeding case (38) is fixed to the front case bracket (60) by bolting. The feed cases (38), (38) for the strips are disposed between the left and right lifting rails (48), (49), and the feeding cases for the two strips on the left and right sides of the lifting rails (48, 49) (38). ) (38) are arranged, respectively, and 3 units of feeding cases (38)...
[0013]
Further, as shown in FIGS. 16 to 18, the lower outlet (62) of the hopper (37) is fitted to the inlet (61) on the upper front side of the feeding case (38), and the feeding case (38). An outlet (63) is formed on the lower front side, and the outlet (63) is closed by a detachable cap (64). The cap (64) is removed, the outlet (63) is opened, and the fertilizer in the hopper (37) is allowed to flow downward on the front side. At this time, the fertilizer applicator (36) is moved up and down rails (48) (49). It is supported at the raised position, the interval between the take-out port (63) and the lower air tank (42) is expanded, and the container for fertilizer can be easily inserted under the take-out port (63), and the residual fertilizer can be taken out. It is configured so that it can be easily performed.
[0014]
A bottom cover (66) is detachably fixed to the lower surface of the feeding case (38) via a closing lever (65), and an outlet (67) is formed on the lower surface of the hard synthetic resin bottom cover (66). It has a joint pipe (68) made of soft synthetic resin that fits the front end portion into the air tank (42), and the front end of the hard synthetic resin hose joint (69) is detachable at the rear end of the pipe (68). The conveying hose (40) is fitted to the rear end of the joint (69), and the air blower (41) is blown from the air tank (42) to each pipe (68) ... and the hose (40). The fertilizer that is blown out and moves from the outlet (67) of the bottom lid (66) to the middle of the joint (69) is moved to the conveying hose (40), and is introduced into the middle of the joint (69) forming a T-shaped flange. 70) is formed to open upward, the fitting cap (71) is fixed to the outlet (67) of the bottom lid (66), the cap (71) is detachably fitted to the inlet (70), and the outlet (67) is connected to the inlet (70), the mounting plate (72) is integrally fixed to the air tank (42), and the joint (69) is fixed to the mounting plate (72) with bolts.
[0015]
Further, an inlet plate (75) having an intake port (73) and a blower outlet (74), a feeding plate (77) having a plurality of substantially rectangular outlets (76) on the same circumference, and a discharge port ( 78) having an outlet plate (79), and each plate (75) (77) (79) made of a substantially circular flat plate is arranged in a multilayer between the feeding case (38) and the bottom lid (66). At the same time, the feeding shaft (80) is pivotally supported in the feeding case (38) so as to be substantially vertically rotatable, and the lower end side of the feeding shaft (80) is passed through the central portion of each plate (75) (77) (79). Each plate (75) (77) (79) is supported on the feeding shaft (80) so that it can be pulled out downward, and each plate (75) (77) (79) is fed out by the closing lever (65). The bottom plate (66) and the inlet plate (75) and outlet plate (79) are engaged with the feeding case (38). The feeding shaft (80) is rotated freely with respect to the respective plates (75) and (79), and the feeding plate (77) is engaged with the feeding shaft (80) so as to be supported by the feeding shaft (80). (77) is forcibly rotated, and the fertilizer that has entered the feeding port (76) from the intake port (73) is moved to the discharge port (78) and dropped in the direction of the outlet (67).
[0016]
In addition, the brush (82) is provided through a photograph (83) that is provided with a brush (82) that removes excess fertilizer on the upper surface of the feed outlet (76) at the end of the intake (73) and adjusts the height. It is attached to (38) so that the height can be adjusted, and the height of the lower end of the brush (82) with respect to the upper surface of the feeding plate (77) is adjusted from the outside of the feeding case (38) to adjust the fertilizer delivery amount of the feeding outlet (76). It is configured.
[0017]
Further, a compressed air intake (84) that faces the air outlet (74) of the inlet plate (75) is formed in the feeding case (38), and the hollow portion of the air tank (42) and the compressed air intake (84) are formed. ) Are communicated by the diversion pipe (85), and the air blown from the blower (41) and the air tank (42) is supplied to the blowout port (74) through the pipe (85) and the intake port (84). 78) The blower outlet (76) moved to the position is blown from the blower outlet (74), and the fertilizer at the outlet (76) is forcibly dropped downward by the blown air, so that the granular fertilizer or this powder is fed into the outlet. (76) It is configured to prevent it from remaining in the area.
[0018]
Further, as shown in FIGS. 7, 10, and 15, the PTO shaft (86) that transmits the output of the engine (2) to the planting part (15) extends rearward from the mission case (4), and A bearing case (87) is welded and fixed to the left column (43), and an input shaft (88) of the bearing case (87) is interlocked and connected to the middle of the PTO shaft (86) via a chain (89). A crank plate (91) is detachably fixed to the rear end portion of the output shaft (90) of (87) by a ball lock structure. The bearing plate (51) and the case rear bracket (92) are provided with a square pipe-shaped rear frame (93), and the rear frame (93) is substantially parallel to the air tank (42) and the front frame (53). Horizontally, the rear side of the feeding case (38) is fixed to the rear bracket (92) with bolts.
[0019]
The left bearing plate (51) is pivotally supported by a feed amount adjustment lever (96) via a bracket (94) and a shaft (95), and the left bearing plate (51) is pivotally supported by a support shaft (97). The adjustment link (98) and the fulcrum link (99) are provided, the adjustment link (98) is connected to the screw portion (100) of the lever (96), and the adjustment fulcrum (101) is attached to the fulcrum link (99). The drive arm (102) is pivotally supported on the fulcrum (101). Then, by rotating the screw part (100) by rotating the lever (96) that protrudes in the direction of the driver's seat (13), the links (98) (99) rotate integrally, and the adjustment fulcrum (101) The position is changed, and an operator of the driver's seat (13) can perform a feed amount adjustment operation of the lever (102).
[0020]
Further, a feeding drive shaft (104) is rotatably supported on the rear frame (93) via a bearing plate (103), and a swing arm (105) is fixed to the drive shaft (104) to thereby drive the drive. One end of the telescopic rod (106) whose length is adjustable is connected to the arm (102), the other end of the telescopic rod (106) is connected to the swing arm (105), and the crank plate (91 ) To the drive arm (102) via the input rod (107), and the feeding drive shaft (104) from the PTO shaft (86) for planting drive via the input rod (107) and the drive arm (102). The driving force is transmitted to the plant, and a planting part (15) and a fertilizer applicator (36) are operated simultaneously and stopped by turning on and off a planting clutch (not shown), and the crank plate is connected to the output shaft (90). (9 ) To remove the drive part and lift the ascending part of the fertilizer applicator (36). The lever (96) is operated to change the position of the adjustment fulcrum (101), and the telescopic rod (106) is reciprocated. The stroke is changed steplessly and the fertilizer feed amount is continuously adjusted.
[0021]
Further, as shown in FIG. 9, a clutch shaft (109) is pivotally supported on the rear frame (93) through a one-way clutch (108) for preventing rotation, and the one-way clutch (110) is supported on the clutch shaft (109). An input link (111) is provided via the link, and a swing link (112) is fixed to the feeding drive shaft (104), and the link (112) is connected to the input link (111) via a linkage rod (113). The clutch shaft (109) is intermittently rotated in one direction by swinging the input link (111).
[0022]
Further, the fastening clutch case (114) is fixed to the feeding case (38), and the input shaft (117) is always connected to the upper end side of the feeding shaft (80) via bevel gears (115) (116). Then, a latching clutch (not shown) for connecting the input shaft (117) to the clutch shaft (109) is connected to the clutch case (114), and the latching clutch of the case (114) is provided. The clutch lever (118) and the clutch arm (119) for performing the on / off operation are distributed to the front and rear of the clutch case (114), and are provided on the rear rear part of the seedling stage (16) of the planting part (15). Via a stopper wire (122) which is stretched by the outer receiver (121) of the rear frame (98) to the planting stopper unit clutch lever (120) Wherein linking the clutch arm (119). When the planting claw stopping unit clutch lever (120) is operated to stop any of the 6 planting claws (17), the case corresponding to the planting claw (17) stopped. The fertilization operation is stopped by cutting the streak clutch of (114), and fertilization is performed only on the strip where the seedling is planted by the planting claws (17).
[0023]
Further, as shown in FIGS. 12 to 14, the left and right bearing plates (51) (on the front frame (53) and the rear frame (93) on the outer side of the attachment position of the fertilizer feed cases (38) (38) for the central two strips 51) is fixed by welding, and both ends of the front frame (53) and the rear frame (93) are integrally fixed by the left and right side frames (123) and (123), and the fertilizer feeding case (38) (38) ( 38) is attached to the front frame (53) and the rear frame (93) between the bearing plate (51) and the side frame (123), and each frame (53), (93), (123) of the square frame shape is attached to the bearing plate. (51) is divided into three equal parts in the left-right direction, and the fertilizer feeding case (38) for six strips is spanned and supported between the front and rear frames (53), (93).
[0024]
As shown in FIGS. 13, 16, and 18, the bracket (60) provided between the feeding case (38) and the front frame (53) has a long-diameter viewing hole (124) in the lateral direction. When assembling the bottom cover (66) to the feeding case (38), the phase and the like can be easily confirmed from the front side without going around the seedling mount (16) side, so as to improve the handleability of the assembling. It is configured.
[0025]
Further, as shown in FIG. 16, when connecting the hose joint (69) and the transfer hose (40), the outlet outer diameter portion of the transfer hose (40) is connected to the outlet inner diameter portion (69a) of the hose joint (69). (40a) is directly inserted and coupled without using a separate joint or the like, so that a lightweight and compact configuration is achieved, and attachment / detachment operation is facilitated to improve maintenance.
[0026]
As shown in FIGS. 1 and 19, a synthetic resin fan case (126) in which a blower fan (125) is installed, an air inlet (127) that is an air inlet formed in the fan case (126), and An exhaust fan (128) and an electric fan motor (129) for rotating the blower fan (125) are provided in the blower (41), and a stay (130) fixed to the fan case (126) is provided in the air tank (42). The fan (41) is configured to be housed inside the machine by being supported by a fixed mounting base (131) through a fulcrum shaft (132) so as to be horizontally rotatable.
[0027]
The fan case (126) has an air inlet (127) provided downwardly at the lower end of a square air intake case (126a) integrally extending downward on the back side of the case (126). A guard (133) for preventing a foreign object / dust from being sucked into the fan case (126) and arranging a plurality of wires (133a) at equal intervals on the air inlet (127) is stretched. Even when light and large foreign objects and dust fly to the vicinity of the air inlet (127), the guard (133) prevents these suction and improves dustproofness. To improve the safety by preventing it from being inserted into the air intake (127), and to improve air intake by adjusting the air flow during intake and suppressing air power and noise. Configured to .
[0028]
Further, the intake port (127) is provided with a dish-shaped intake cover (134) that is detachable integrally with the guard (133) via a bolt (135). The intake cover (134) is provided with the intake port (127). The hole (136) that matches the opening is opened in the center, and the mouth area of the peripheral bent edge (134a) is formed larger than the mouth area of the inlet (127), and the bent edge (134a) is formed from the inlet (127). ) By reducing the suction force in the vicinity, even if water droplets such as rainwater adhere to the bent edge (134a), the water droplets are not sucked into the intake port (127).
[0029]
Further, the stay (130) is rotatably connected to the mounting base (131) on the front side of the right end of the air tank (42) via the fulcrum shaft (132) so as to be rotatable around the vertical axis, and the working position indicated by the solid line in FIG. The fan (41) is movably attached to the storage position indicated by the phantom line, and is provided with a removable pin (137) for fixing the fan (41) at the storage position, and is made of an iron plate that is detachably bolted and fixed. The support plate (138) and the contact plate (139) are fixed to the right end of the iron pipe air tank (42) and the steel plate stay (130), respectively, and the blower (41) is placed at the work position with the support plate (138) and the contact plate ( 139) with bolts (140). The mounting base (131) and the receiving plate (138) are fixed to the air tank (42) by welding, and the contact plate (139) is fixed to the stay (130) with bolts.
[0030]
The stay (130) is formed in a U shape, and the lower bent edge (130a) is slidably contacted with the upper side surface (131a) of the mounting base (131) fixed to the tank (42) in the U shape. The mounting base (131) is provided with a blower switch (141) for detecting the work and storage position of the blower (41), and a pin engagement having an engagement pin hole (142) for the pin (137). The fulcrum shaft (132) is fixed to the mounting base (131), and the stay (130) is fitted and supported on the fulcrum shaft (132) so as to be movable up and down.
[0031]
When the blower (41) is in the working position, the switch operating plate (145) that protrudes upward from the opening (144) of the mounting base (131) is pressed by the lower bent edge (130a). The switch (141) is turned on to rotate the fan (125), while the blower (41) is housed, it is moved along a fulcrum shaft (132) by a certain dimension to center the shaft (132). When the pin is rotated to the position of the pin hole (142), the lower surface of the bent edge (130a) of the stay (130) is held in contact with the pin engaging member (143) that protrudes from the upper side surface (131a) by a certain dimension. Thus, the engaging member (143) is configured to prevent further downward movement. In this case, the protruding length (L) of the pin engaging member (143) is formed larger than the protruding length that the switch operation plate (45) protrudes from the upper side surface (131a), and when the blower (41) is stored, When the switch operating plate (145) is provided in a state of being covered with the bent edge (130a) and the bent edge (130a) is held in contact with the pin engaging member (143), the switch (141) The fan (125) is stopped and maintained while the switch (141) is turned on, and the stay (130) cannot be operated, and the fan (41 ) Is configured such that the intake cover (134) can be stored without being removed each time.
[0032]
As shown in FIG. 23, a power source (148) is connected to the fan motor (126) via a relay switch (147) of a power relay (146), and a planting clutch engaging operation of the auxiliary transmission lever (30) is performed. The planting switch (149) to be turned on and the blower switch (141) are connected in series to the power relay (146), and the blower (41) is driven when the blower switch (141) is turned on when the planting clutch is engaged. Is configured to do.
[0033]
FIG. 24 also shows that one end of the intake duct (150) is connected and fixed to the tip of the intake case (126a), and the other end of the duct (150) faces the inside of the body covered with the vehicle body cover (12). In addition, the intake cover (134) is prevented from being directly exposed to rainwater and the like so as to further prevent moisture absorption of the fertilizer.
[0034]
Further, FIG. 25 shows that the interior of the vehicle body frame (3) is formed as an air supply passage (151) for taking in air from the front end, and an intake case (via an intake duct (152) at the rear end of the vehicle body frame (3). 126a) is connected to communicate with each other so as to achieve more effective moisture absorption of the fertilizer.
[0035]
【The invention's effect】
As is apparent from the above examples, the invention according to claim 1 includes a fertilizer hopper (37) for adding fertilizer, a multi-strip fertilizer feed case (38) for feeding the fertilizer of the hopper (37), and The air tank (42) which supplies ventilation to the fertilizer delivery part of a case (38), and the air blower (41) provided in the said air tank (42) one side, The said air blower (41) is an air blower fan (125) and a fan case. In the rice transplanter comprising (126) , an air intake case (126a) for opening the air intake port (127) downward is disposed on a side surface of the fan case (126), and covers the air intake port (127) . mounting removably to the lower end of the intake casing intake cover (134) (126a), the mouth area of the downwardly opening edge (134a) of the intake cover (134), said inlet (12 It is formed to be larger than the mouth area of), which was constructed so as to reduce the suction force of the open edge (134a) of the intake cover (134) than the suction force of the suction port (127) section, the intake Even if water droplets adhere to the outer periphery of the cover (134), the water droplets can be prevented from being sucked into the intake port (127) by a weak suction force, so that the fertilizer clogging due to moisture absorption can be effectively eliminated. .
[0036]
Further, since the lower end portion of the intake case (126a) is connected to the approximate center of the intake cover (134), even if water droplets adhere to the open edge (134a) portion of the intake cover (134), weak suction is performed. This water droplet can be prevented from being sucked into the intake port (127) by force.
[Brief description of the drawings]
FIG. 1 is a rear view of a blower unit.
FIG. 2 is a side view of the whole.
FIG. 3 is a plan view of the same.
FIG. 4 is a plan view of a fertilizer applicator unit.
FIG. 5 is a rear view of the same.
FIG. 6 is an explanatory view of the same side.
FIG. 7 is an explanatory side view of an elevating rail part.
FIG. 8 is a side explanatory view of a fertilizer feeding case part.
FIG. 9 is an explanatory plan view of a fertilizer feeding case portion.
FIG. 10 is a rear view of the base frame portion.
FIG. 11 is a rear view of the fertilizer feeding case portion.
FIG. 12 is an explanatory side view of the bearing plate portion.
FIG. 13 is an explanatory plan view of a handle part.
FIG. 14 is an explanatory view of the back side.
FIG. 15 is an explanatory side view of the same.
FIG. 16 is a sectional side view of a fertilizer feeding case.
FIG. 17 is an explanatory rear sectional view of the same section.
FIG. 18 is an explanatory plan view of the same section.
FIG. 19 is an explanatory plan view of the blower.
FIG. 20 is a cross-sectional plan view of the blower.
FIG. 21 is a side view of the blower.
FIG. 22 is an explanatory diagram of rotation of the blower.
FIG. 23 is an explanatory diagram of a circuit.
FIG. 24 is an explanatory diagram of an intake duct.
FIG. 25 is an explanatory side view of an air supply path.
[Explanation of symbols]
(37) Fertilizer hopper (38) Feeding case (41) Blower (42) Air tank (125) Blower fan (126) Fan case (126a) Intake case (127) Inlet (134) Inlet cover

Claims (2)

肥料を入れる施肥ホッパと、該ホッパの肥料を送出させる多条用の肥料繰出ケースと、前記ケースの肥料送出部に送風を供給するエアタンクと、前記エアタンク一側に設ける送風機とを備え、前記送風機は送風ファンとファンケースとからなる田植機において、吸気口を下向きに開口するための吸気ケースを前記ファンケースの側面に配置し、前記吸気口を覆うための吸気カバーを前記吸気ケースの下端部に取外し自在に取付け、前記吸気カバーの下向き開口縁部の口面積を、前記吸気口の口面積よりも大きく形成し、前記吸気口部の吸込力に比べて前記吸気カバーの開放縁部の吸込力を小さくするように構成したことを特徴とする田植機。Comprising a fertilizer hopper cart add fertilizer and fertilizer feeding case for a multi-strip for delivering a fertilizer of the hopper, and the air tank for supplying blowing air to the fertilizer delivery portion of the case, and a blower provided in the air tank one side, the blower In a rice transplanter comprising a blower fan and a fan case , an air intake case for opening the air intake port downward is disposed on a side surface of the fan case, and an air intake cover for covering the air intake port is provided at a lower end portion of the air intake case. The suction cover has a mouth area of a downward opening edge of the suction cover that is larger than a mouth area of the suction opening, and the suction of the opening edge of the suction cover compared to the suction force of the suction opening. Rice transplanter, which is configured to reduce power . 前記吸気ケースの下端部を前記吸気カバーの略中央に連結したことを特徴とする請求項1に記載の田植機。 The rice transplanter according to claim 1, wherein a lower end portion of the intake case is connected to a substantially center of the intake cover .
JP29766395A 1995-10-20 1995-10-20 Rice transplanter Expired - Fee Related JP3640031B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29766395A JP3640031B2 (en) 1995-10-20 1995-10-20 Rice transplanter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29766395A JP3640031B2 (en) 1995-10-20 1995-10-20 Rice transplanter

Related Child Applications (2)

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JP11213080A Division JP3128695B2 (en) 1999-07-28 1999-07-28 Rice transplanter fertilizer
JP11213081A Division JP3128696B2 (en) 1999-07-28 1999-07-28 Rice transplanter fertilizer

Publications (2)

Publication Number Publication Date
JPH09107753A JPH09107753A (en) 1997-04-28
JP3640031B2 true JP3640031B2 (en) 2005-04-20

Family

ID=17849523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29766395A Expired - Fee Related JP3640031B2 (en) 1995-10-20 1995-10-20 Rice transplanter

Country Status (1)

Country Link
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