JP3862194B2 - Normal combine - Google Patents

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Publication number
JP3862194B2
JP3862194B2 JP20717098A JP20717098A JP3862194B2 JP 3862194 B2 JP3862194 B2 JP 3862194B2 JP 20717098 A JP20717098 A JP 20717098A JP 20717098 A JP20717098 A JP 20717098A JP 3862194 B2 JP3862194 B2 JP 3862194B2
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threshing
shaft
crawlers
cylinders
horizontal
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JP20717098A
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JP2000014229A (en
Inventor
瀬 知 義 広
田 茂 樹 村
野 潤 一 正
本 宗 徳 宮
原 康 一 梶
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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】
本発明は脱穀部などを有するコンバイン機体を左右走行クローラによって走行させる普通形コンバインに関する。
【0002】
【発明が解決しようとする課題】
この種コンバインの走行作業中、クローラに付着した泥などが上方に撥ね上がった場合、クローラ上方の脱穀部外面に装着する伝達ベルト或いは油圧ホース類を泥で汚したり、脱穀部外面の開口より脱穀部内特に唐箕内部へ泥を侵入させて、これらの機能を煩わせるなどした不都合があった。
【0003】
また、機体を水平制御する左右水平シリンダを装備させた構造のものにおいては、左右水平シリンダは通常脱穀機枠内に設けられているが、走行部の着脱作業時や保守点検作業時にはこれらの作業が容易には行えないという不都合があった。
【0005】
【課題を解決するための手段】
したがって本発明は、走行クローラを駆動して機体を走行させる普通形コンバインにおいて、走行クローラの上方に泥除けカバーを配設して、作業中走行クローラに付着した泥などが上に撥ね上がるのを泥除けカバーで防止し、この上方に配設される伝達ベルト及び油圧ホースに泥が付着したり脱穀部内特に唐箕内部に泥が侵入するなどとした不都合を解消させて、これらの機能の安定保持を図るものである。
【0006】
また、左右水平シリンダによって左右走行クローラによる左右機台の支持高さを変化させて機台を水平維持する普通形コンバインにおいて、脱穀機体外側と左右走行クローラ間に左右水平シリンダを配設して、左右水平シリンダを脱穀部内に配設した場合の選別盤や唐箕と干渉するなどの不都合を防止して、選別盤などを下位とさせた省スペースな配置を可能とさせると共に、左右水平シリンダや該シリンダとトラックフレーム間を連結する昇降リンク機構も機体外側に簡潔に配設させて、組立性及びメンテナンス性を向上させるものである。
【0008】
【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はコンバインの全体側面図、図2は同平面図、図3は同正面図であり、図中(1)は左右の走行クローラ(2a)(2b)を左右のトラックフレーム(3a)(3b)に装備する機台、(4)は機体の進行方向に対し軸芯を直交させる大径及び小径2つのスクリュ形第1及び第2扱胴(5)(6)や選別部である揺動選別盤(7)などを備える脱穀部、(8)は脱穀部(4)の後部上方に配備して揚穀筒(9)を介して取出す脱穀部(4)の穀粒を貯留する穀物タンク、(10)は穀物タンク(8)内の穀粒を取出す上部搬出オーガ、(11)は穀物タンク(8)の後方に配備してエンジン(12)を内設するエンジンルーム、(13)は運転席(14)及び操向ハンドル(15)などを運転台(16)に備えて脱穀部(4)の前部上方に配設する運転操作部、(17)は運転台(16)の左右両側に配備する左右の作業者乗降用ステップ、(18)は脱穀部(4)の下部前方に油圧昇降シリンダ(19)を介し昇降可能に装備する刈取部である。
【0009】
前記刈取部(18)は、未刈り穀稈を取入れる穀物刈取ヘッダー(20)と、該ヘッダー(20)の後部略中央に連結させて刈取穀稈を脱穀部(4)に送給するフィーダハウス(21)によって構成すると共に、未刈り穀稈掻込み用リール(22)と、往復駆動型刈刃(23)と、穀稈掻込オーが(24)とを前記穀物ヘッダー(20)に備え、前記フィーダハウス(21)を運転台(16)の下方で運転台(16)中央の運転席(14)より左側に偏位して配設させ、前記ヘッダー(20)に取込まれる刈取穀稈をフィーダハウス(21)に内設する供給チェンコンベア(25)を介し脱穀部(4)の左側に送り込んで脱穀処理するように構成している。
【0010】
図4及び図5に示す如く、前記脱穀部(4)の前部上方に左右幅の広い扱室(26)を形成し、該扱室(26)の前後に同一軸芯高さで左右幅略一杯に大径及び小径のスクリュ形第1及び第2扱胴(5)(6)の扱胴軸(27)(28)を進行方向に対し直交させて支持させ、前記フィーダハウス(21)からの刈取穀稈を扱室(26)左側の扱口(29)より扱室(26)内に全量投入するように構成している。
【0011】
そして第1扱胴(5)では扱口(29)からの穀稈を右方向に横送り中に脱穀すると共に、右横送り終端の連通樋(26a)では第1扱胴(5)から第2扱胴(6)に穀稈を受継ぎ、第2扱胴(6)で左方向に横送り中にさらに脱穀し、左横送り終端で後方に穀稈を排出させるように構成している。
【0012】
また、前記第1及び第2扱胴(5)(6)の下側に第1及び第2受網(30)(31)を張設すると共に、これら受網(30)(31)の下方に揺動選別盤(7)を備えるもので、第1受網(30)の下方に位置させる第1フィードパン(32)と、該フィードパン(32)の後端に設ける篩い線(33)と、篩い線(33)下方に設ける第2フィードパン(34)と、第2フィードパン(34)後方に連設するチャフシーブ(35)と、チャフシーブ(35)の前部下方に張設するグレンシーブ(36)と、一番及び二番流穀板(37)(38)とを揺動選別盤(7)に備え、前側を前揺動アーム(39)と駆動アーム(40)に後側を後揺動アーム(41)に連結支持させて、前後方向に選別盤(7)を揺動駆動するように構成している。
【0013】
さらに、前記第1フィードパン(32)の下方に配設してチャフシーブ(35)及びグレンシーブ(36)方向に選別風を送給する唐箕(42)と、グレンシーブ(36)からの穀粒を受取って揚穀筒(9)に送出する一番樋(43)及び一番コンベア(44)と、二番流穀板(41)からの還元物を二番還元装置である二番還元筒(45)に送出する二番樋(46)及び二番コンベア(47)と、揺動選別盤(7)の後端を臨ませる三番口(48)とを備え、一番樋(43)の穀粒をタンク(8)に、また二番樋(46)の還元物を第1フィードパン(32)に送出するように構成している。
【0014】
図6乃至図10に示す如く、左右の前記走行クローラ(2a)(2b)は機台(3)側のミッションケース(49)に取付く駆動輪である駆動スプロケット(50)と、前記トラックフレーム(3a)(3b)に取付く複数のトラックローラ(51)及び遊動輪(52)とで支持すると共に、前記トラックフレーム(3a)(3b)を前後横枢支軸(53)(54)及び前後ベルクランクリンク(55)(56)を介して上下昇降自在に機台(1)に支持させている。前記クランクリンク(55)(56)は機台(1)下部の逆門形状の前後連結横フレーム(57)(58)に前後軸受板(59)(60)及び支軸(61)(62)を介して中間をそれぞれ揺動自在に支持させ、前記枢支軸(53)(54)を該リンク(55)(56)の一端側に可回動に支持すると共に、前後クランクリンク(55)(56)の他端側間を軸(63)(64)及びロッド(65)を介し相互に連動連結させ、機台(1)にブラケット(66)を介し基端を枢支する左右の油圧水平シリンダ(67)(68)のピストンロッド(67a)(68a)先端に前記前クランクリンク(55)の他端を枢軸(69)を介して連結させて、左右走行クローラ(2a)(2b)にそれぞれ備える前記シリンダ(67)(68)のピストンロッド(67a)(68a)を適宜伸縮動作させることにより機台(1)に対し左右のトラックフレーム(3a)(3b)を各別に上下動させて、左右走行クローラ(2a)(2b)による機台(1)の支持高さつまり車高(H)を可変させるように構成している。
【0015】
また、前記車高(H)を検出する左右の車高センサ(69a)(69b)を脱穀部(4)の後側に内設するもので、左右側板(4a)(4b)に固設する取付板(70)に調節ボルト(71)を介し左右調節自在にセンサ台(72)を取付け、左右の後クランクリンク(56)他端に固設する後突片(73)に、ボルト(74)を介し取外し自在にリンク連結板(75)を固定させ、貫通長孔(76)を介し左右側板(4a)(4b)内側に臨ませる連結板(75)の他端折曲部(75a)と、前記センサ台(72)に回動支点軸(77)を介し回動自在に支持する回動アーム(78)との先端間を、軸(79)(80)及びロッド(81)を介し連動連結させると共に、前記センサ台(72)に固設するポテンショメータ(82)のメータアーム(83)に回動アーム(78)の軸(80)を係合連結させて、左右の油圧水平シリンダ(67)(68)で動作する左右の後クランクリンク(56)の回動変化量をポテンショメータ(82)で検出して、左右走行クローラ(2a)(2b)による機台(1)の支持高さ(車高(H))を検知するように構成している。
【0016】
このように、油圧水平シリンダ(67)(68)・クランクリンク(55)(56)・ロッド(65)などで構成する左右の昇降リンク機構(84)を脱穀部(4)の左右側板(4a)(4b)外方に設けて、保守点検作業などを容易とさせると共に、水平シリンダ(67)(68)を走行クローラ(2a)(2b)より上方に設けて、該シリンダ(67)(68)やシリンダ(67)(68)とクランクリンク(55)間に泥などの付着や抱き込みのない良好な機台(1)の車高制御を可能とさせるように構成している。
【0017】
また、車高センサ(69a)(69b)を構成するポテンショメータ(82)を、脱穀部(4)の左右側板(4a)(4b)間の後側開口部で、ミッションケース(49)と駆動スプロケット(50)間の後アクスルケース(85)より上方に配設して、ポテンショメータ(82)に対する泥などの下からの付着を防止すると共に、脱穀部(4)の後外側よりのポテンショメータ(82)の調整や保守点検作業などを容易とさせるように構成している。
【0018】
また、前記クランクリンク(55)(56)を支持する前後支軸(61)は、後支軸(62)より前支軸(61)の取付高さを小に形成し、且つ左右の前支軸(61)を左右各別に軸受板(59)に支持させて、左右の前支軸(61)間に一定巾の空間域を形成し、前支軸(61)による泥押しなど解消させると共に、左右後支軸(62)間を中間軸(86)を介し一体連結させて、左右トラックフレーム(3a)(3b)の前後位置ズレを防止して、水平制御動作時の左右走行クローラ(2a)(2b)の前後位置を常に一致させるように構成している。
【0019】
さらに、前記走行クローラ(2a)(2b)の接地長部の略中央位置(機体重心)近傍に、クローラ外れ防止ガイド(87)を設けるもので、走行クローラ(2a)(2b)内周面の左右係合突起(88)間にガイド(87)の下部ソリ体(89)を摺接させると共に、ソリ体(89)の底面中央を凹状の陥没部(90)に形成し、該ガイド(87)の上部取付板(91)を前後のトラックローラ(51)間巾の大きな左右トラックフレーム(3a)(3b)略中央下面にボルト(92)を介し取外し自在に固定させて、畦などの凸部乗り越え時にはガイド(87)の陥没部(90)にクローラ(2a)(2b)を入り込む状態に撓ませて、クローラ(2a)(2b)がスプロケット(50)及び遊動輪(52)などから外れるのを防止すると共に、機体が凸部で浮上ったり大きな衝撃を受けるのを防止するように構成している。
【0020】
なお、前記支軸(61)(62)を支持する軸受板(59)(60)は、基端枢着板(93)(94)を横フレーム(57)(58)にボルト(95)を介し左右取付位置調節自在に固定させている。
【0021】
図13乃至図14に示す如く、前記左側板(4a)外側に突出させる第1及び第2扱胴軸(27)(28)間をプーリ(96)(97)及びベルト(98)を介し連動連結させ、エンジン(12)の出力軸(12a)と第2扱胴軸(28)間に配設するカウンタ軸(99)に、プーリ(100)(101)及びベルト(102)を介し出力軸(12a)を左側板(4a)外側で連動連結させると共に、前記第2扱胴軸(28)にプーリ(101)(103)及びベルト(104)を介しカウンタ軸(99)を連動連結させて、第1及び第2扱胴(5)(6)を図4に示す如く側面視反時計方向(同一方向)に回転させるように構成している。
【0022】
また、前記揺動選別盤(7)の揺動駆動軸(105)に第1扱胴軸(27)をベルト(106a)を有するベルト伝動機構(106)を介し、また前記供給チェンコンベア(25)の駆動軸(107)にベルト伝動機構(108)を介し第1扱胴軸(27)をそれぞれ左側板(4a)外側で連動連結して、選別盤(7)の駆動と、コンベア(25)及びコンベア(25)を介し刈取部(18)の駆動を行うように構成している。
【0023】
また、前記右側板(4b)外側に突出させる第2扱胴軸(28)に、一番及び二番コンベア(44)(47)のコンベア軸(44a)(47a)間に配設するカウンタ軸(109)をベルト伝動機構(110)を介し連動連結させ、前記唐箕(42)の唐箕駆動軸(42a)にベルト(111a)を有するベルト伝動機構(111)を介しカウンタ軸(109)を連動連結させると共に、前記コンベア軸(44a)(47a)にベルト(112a)を有するベルト伝動機構(112)を介しカウンタ軸(109)を連動連結させて、右側板(4b)の外側で唐箕(42)と一番及び二番コンベア(44)(47)の各駆動を行うように構成している。
【0024】
さらに、前記揺動選別盤(7)の後端下方のミッションケース(49)の入力軸(113)にベルト伝動機構(114)を介し、また前記穀物タンク(8)の底部排出オーガ(115)の駆動軸(116)にベルト伝動機構(117)を介しエンジン(12)の出力軸(12a)を左側板(4a)外側で連動連結させて走行と穀物タンク(8)内の穀粒排出を行うように構成している。
【0025】
そして前記一番及び二番コンベア(44)(47)に連動連結する揚穀筒(9)及び二番還元筒(45)を左側板(4a)外側に配設すると共に、前記底部排出オーガ(115)と上部排出オーガ(10)間に介設する縦排出オーガ(118)を右側板(4b)外側に配設して、機体の左右バランスの安定と駆動系の簡素化を図るように構成している。
【0026】
図6、図7、図15に示す如く、左右走行クローラ(2a)(2b)の上方を覆う泥除けカバー(119)を前記水平シリンダ(67)(68)の上方で左右側板(4a)(4b)の前端と一番コンベア(44)間に設けるもので、該カバー(119)の前後端上面に固設するヨーク(120)をボルト(121)を介し取外し自在に左右側板(4a)(4b)の外側面に固定させて、クローラ(2a)(2b)に付着した泥が撥ね上がるのを防止して、この上方に配設されるベルト伝動機構(106)(111)や油圧ホースなどを泥より保護するように構成している。特に側板(4a)に開設する唐箕(42)の空気取入口(122)より唐箕(42)内部に泥が侵入するをカバー(119)で防止して、選別機能を安定維持させるように構成したものである。
【0027】
なお、前記泥除けカバー(119)は図6の仮想線に示す如く、側板(4a)(4b)の前端から後端までの前後巾一杯に設けることが望ましく、この上方の駆動系や油圧ホース類をより良好に保護できるものである。
【0028】
図15乃至図17に示す如く、脱穀部(4)を構成する左右側板(4a)(4b)間に穀物タンク(8)やエンジンルーム(11)を形成するもので、脱穀部(4)の後側上方に穀物タンク(8)を、またタンク(8)後方にエンジンルーム(11)を一体的に形成している。
【0029】
そして、前記カウンタ軸(99)及びオーガ駆動軸(116)をカウンタケース(123)及びケース取付部材(124)を介し一体的に左側板(4a)に取付けるもので、左側板(4a)にカウンタケース(123)を取付けるケース取付部材(124)は、軸(99)(116)を中心とした側板(4a)の前後位置に上下縦長で平行に設けると共に、穀物タンク(8)上側の左側面膨出部(4c)と下側の左側面(4a)とを取付部材(124)で補強するように設けて、取付部材(124)をカウンタケース(123)の取付と穀物タンク(8)の補強の両方に用いることによって、部品点数を削減させて機体重量の軽減化とコストダウン化を図るように構成している。
【0030】
【発明の効果】
以上実施例から明らかなように本発明は、走行クローラ(2a)(2b)を駆動して機体を走行させる普通形コンバインにおいて、走行クローラ(2a)(2b)の上方に泥除けカバー(119)を配設したものであるから、作業中走行クローラ(2a)(2b)に付着した泥などが上に撥ね上がるのを泥除けカバー(119)で防止し、この上方に配設される伝達ベルト(106a)(111a)及び油圧ホースに泥が付着したり脱穀部内特に唐箕(42)内部に泥が侵入するなどとした不都合を解消させて、これらの機能の安定保持を図ることができるものである。
【0031】
また、左右水平シリンダ(67)(68)によって左右走行クローラによる左右機台の支持高さを変化させて機台(1)を水平維持する普通形コンバインにおいて、脱穀機体外側と左右走行クローラ(2a)(2b)間に左右水平シリンダ(67)(68)を配設したものであるから、左右水平シリンダ(67)(68)を脱穀部内に配設した場合の選別盤(7)や唐箕(42)と干渉するなどの不都合を防止して、選別盤(7)などを下位とさせた省スペースな配置を可能とさせると共に、左右水平シリンダ(67)(68)や該シリンダ(67)(68)とトラックフレーム(3)間を連結する昇降リンク機構(84)も機体外側に簡潔に配設させて、組立性及びメンテナンス性を向上させることができるものである。
【図面の簡単な説明】
【図1】コンバインの全体側面図である。
【図2】コンバインの全体平面図である。
【図3】コンバインの全体正面図である。
【図4】脱穀部の断面側面図である。
【図5】脱穀部の断面平面図である。
【図6】走行クローラ部の側面図である。
【図7】走行クローラ部の正面図である。
【図8】走行クローラ部の平面図である。
【図9】走行クローラ部の平面説明図である。
【図10】走行クローラ部の正面説明図である。
【図11】車高センサ部の平面説明図である。
【図12】車高センサ部の側面説明図である。
【図13】脱穀駆動系の左側面説明図である。
【図14】脱穀駆動系の右側面説明図である。
【図15】脱穀左側板の説明図である。
【図16】カウンタケース取付部の側面説明図である。
【図17】カウンタケース取付部の背面説明図である。
【符号の説明】
(1) 機台
(2a)(2b) 走行クローラ
(4a) 側板
(8) 穀物タンク
(67)(68) 昇降シリンダ
(101) カウンタプーリ
(119) 泥除けカバー
(123) カウンタケース
(124) 取付部材
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an ordinary combine that causes a combine machine having a threshing section or the like to travel by a left and right traveling crawler.
[0002]
[Problems to be solved by the invention]
If mud or the like adhering to the crawler rises upward during the traveling of this type of combine, the transmission belt or hydraulic hoses attached to the outer surface of the threshing unit above the crawler are soiled with mud, or threshing from the opening on the outer surface of the threshing unit There were inconveniences such as intruding mud into the inside of the club, especially the tang, and bothering these functions.
[0003]
In addition, in the structure equipped with left and right horizontal cylinders that control the machine horizontally, the left and right horizontal cylinders are usually installed in the threshing machine frame. However, there was an inconvenience that it cannot be easily performed.
[0005]
[Means for Solving the Problems]
Therefore, according to the present invention, in a normal combine that drives the traveling crawler to travel the airframe, a mudguard cover is disposed above the traveling crawler to prevent mud and the like adhering to the traveling crawler from splashing upward during work. This function prevents the inconvenience such as mud adhering to the transmission belt and hydraulic hose arranged above the cover, and mud intruding into the threshing section, especially inside the tang. Is.
[0006]
Further, in a normal combine that changes the support height of the left and right machine stands by the left and right horizontal crawlers by the left and right horizontal cylinders and keeps the machine stand horizontal, the left and right horizontal cylinders are arranged between the threshing machine body outside and the left and right running crawlers, When the left and right horizontal cylinders are arranged in the threshing section, it prevents inconveniences such as interference with the sorting board and the red pepper, and enables a space-saving arrangement with the sorting board etc. in the lower position, An elevating link mechanism for connecting the cylinder and the track frame is also simply arranged on the outside of the machine body to improve assemblability and maintainability.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is an overall side view of the combine, FIG. 2 is a plan view thereof, and FIG. 3 is a front view thereof. In FIG. 1, (1) shows left and right traveling crawlers (2a) and (2b) as left and right track frames (3a) ( 3b) the machine base, (4) the two large and small diameter screw-type first and second barrels (5), (6), and the rocking part which is the sorting part. A threshing section provided with a dynamic sorter (7) and the like, (8) is a grain which stores grains of the threshing section (4) which is arranged above the rear part of the threshing section (4) and is taken out through the milling cylinder (9). A tank, (10) an upper carry-out auger for taking out the grains in the grain tank (8), (11) an engine room in which an engine (12) is installed behind the grain tank (8), (13) Is equipped with a driver's seat (14), a steering handle (15), etc. in the cab (16) and above the front of the threshing section (4) A driving operation unit to be arranged, (17) is a step for getting on and off the left and right workers to be placed on both left and right sides of the cab (16), and (18) is a hydraulic lifting cylinder (19) in front of the lower part of the threshing unit (4). This is a cutting part that can be moved up and down.
[0009]
The harvesting part (18) is connected to the grain harvesting header (20) for taking in the uncut grain culm and the rear center of the header (20), and feeds the harvested cereal meal to the threshing part (4). Constructed by the house (21), the reel (22) for picking the uncut grain chopsticks, the reciprocating drive type cutting blade (23), and the chopstick picking oh (24) in the grain header (20). The feeder house (21) is disposed below the cab (16) and shifted to the left from the driver seat (14) in the center of the cab (16), and is cut into the header (20). The cereals are sent to the left side of the threshing section (4) via the supply chain conveyor (25) installed in the feeder house (21) and threshing is performed.
[0010]
As shown in FIGS. 4 and 5, a wide left and right handling chamber (26) is formed above the front portion of the threshing section (4), and the left and right widths are the same axial height before and after the handling chamber (26). The feeder house (21) is supported substantially perpendicularly with the handle shafts (27) and (28) of the first and second screw cylinders (5) and (6) having large and small diameters being orthogonal to the traveling direction. The whole amount of the harvested cereal cereal is fed into the handling chamber (26) from the handling port (29) on the left side of the handling chamber (26).
[0011]
In the first handling cylinder (5), the cereal from the handling opening (29) is threshed while being laterally fed in the right direction, and the communication rod (26a) at the right lateral feeding terminal is threshed from the first handling cylinder (5). 2 The cedar is inherited to the handling cylinder (6), and further threshing is performed during the lateral feed in the left direction by the second handling cylinder (6), and the cereal is discharged backward at the left lateral feed end. .
[0012]
Further, first and second receiving nets (30) and (31) are stretched under the first and second handling cylinders (5) and (6), and below these receiving nets (30) and (31). The first feed pan (32) positioned below the first receiving net (30) and the sieve wire (33) provided at the rear end of the feed pan (32). A second feed pan (34) provided below the sieving line (33), a chaff sheave (35) provided continuously at the rear of the second feed pan (34), and a grain sheave provided below the front portion of the chaff sheave (35) (36) and the first and second-class cereal plates (37) and (38) are provided on the swing sorter (7), the front side is the front swing arm (39) and the drive arm (40) is the rear side. The sorting board (7) is driven to swing in the front-rear direction by being connected to and supported by the rear swing arm (41).
[0013]
Further, a tang (42) which is arranged below the first feed pan (32) and feeds the sorting air in the direction of the chaff sheave (35) and the Glen sheave (36), and receives grains from the Glen sheave (36). The second reduction cylinder (45) which is the second reduction device for the reduced product from the first basket (43) and the first conveyor (44) and the second-class cereal board (41) to be sent to the lifting kernel (9). ) And the second conveyor (47) to be fed to the rear and the third mouth (48) facing the rear end of the swing sorter (7). The grains are sent to the tank (8) and the reduced product of the second basket (46) is sent to the first feed pan (32).
[0014]
As shown in FIGS. 6 to 10, the left and right traveling crawlers (2a) and (2b) are a drive sprocket (50) which is a drive wheel attached to a transmission case (49) on the machine base (3) side, and the track frame. (3a) and (3b) are supported by a plurality of track rollers (51) and idler wheels (52), and the track frame (3a) (3b) is supported by front and rear lateral pivot shafts (53) (54) and It is supported on the machine base (1) through the front and rear bell crank links (55) and (56) so as to be vertically movable. The crank links (55) and (56) are connected to the front and rear bearing plates (59) and (60) and the support shafts (61) and (62) on the reverse gate-shaped front and rear connecting horizontal frames (57) and (58) at the bottom of the machine base (1). The pivots (53) (54) are rotatably supported on one end side of the links (55) (56), and the front and rear crank links (55) The left and right hydraulic pressures (56) are connected to each other through the shafts (63), (64) and the rod (65) so that the other end sides of the (56) are linked to each other, and the base end is pivotally supported by the machine base (1) via the bracket (66). The other end of the front crank link (55) is connected to the tip of the piston rod (67a) (68a) of the horizontal cylinder (67) (68) via the pivot (69), and the left and right traveling crawlers (2a) (2b) Pistons of the cylinders (67) and (68) respectively provided for The left and right track frames (3a) and (3b) are moved up and down separately by moving the rods (67a) and (68a) appropriately to move the left and right track frames (3a) and (3b). The support height of the base (1), that is, the vehicle height (H) is made variable.
[0015]
Further, left and right vehicle height sensors (69a) and (69b) for detecting the vehicle height (H) are installed on the rear side of the threshing portion (4), and are fixed to the left and right side plates (4a) and (4b). A sensor base (72) is attached to the mounting plate (70) via an adjustment bolt (71) so that it can be adjusted left and right. A bolt (74) is attached to a rear projecting piece (73) fixed to the other end of the left and right rear crank links (56). The link connecting plate (75) is removably fixed via the through-hole (76) and the other end bent portion (75a) of the connecting plate (75) facing the inside of the left and right side plates (4a) (4b) through the through-hole (76). And the tip of the rotation arm (78) rotatably supported by the sensor base (72) via the rotation fulcrum shaft (77) via the shaft (79) (80) and the rod (81). The meter of the potentiometer (82) fixed to the sensor base (72) while being interlockedly connected. The shaft (80) of the rotating arm (78) is engaged and connected to the shaft (83), and the rotational change of the left and right rear crank links (56) operated by the left and right hydraulic horizontal cylinders (67) (68). The amount is detected by a potentiometer (82), and the support height (vehicle height (H)) of the machine base (1) by the left and right traveling crawlers (2a) and (2b) is detected.
[0016]
Thus, the left and right lifting link mechanisms (84) constituted by the hydraulic horizontal cylinders (67) (68), the crank links (55) (56), the rods (65), etc. are replaced with the left and right side plates (4a) of the threshing part (4). ) (4b) Provided outside to facilitate maintenance and inspection work, etc., and horizontal cylinders (67), (68) are provided above the traveling crawlers (2a), (2b) to provide the cylinders (67), (68). ), Cylinders (67) and (68) and the crank link (55) are configured so as to enable good vehicle height control of the machine base (1) without adhesion of mud or the like and holding-in.
[0017]
Further, the potentiometer (82) constituting the vehicle height sensors (69a) (69b) is arranged at the rear opening between the left and right side plates (4a) (4b) of the threshing portion (4), and the transmission case (49) and the drive sprocket. (50) is arranged above the rear axle case (85) to prevent adhesion of mud or the like to the potentiometer (82), and the potentiometer (82) from the rear outer side of the threshing part (4). It is configured to facilitate adjustment and maintenance inspection work.
[0018]
The front and rear support shafts (61) that support the crank links (55) and (56) are formed such that the mounting height of the front support shaft (61) is smaller than the rear support shaft (62), and the left and right front support shafts. The shaft (61) is supported on the left and right bearing plates (59) separately to form a space with a certain width between the left and right front support shafts (61), and the mud pushing by the front support shaft (61) is eliminated. The left and right rear support shafts (62) are integrally connected via the intermediate shaft (86) to prevent the left and right track frames (3a) and (3b) from being displaced forward and backward, and the left and right traveling crawlers (2a) during the horizontal control operation. ) The front and rear positions of (2b) are always matched.
[0019]
Further, a crawler disengagement prevention guide (87) is provided in the vicinity of a substantially center position (machine center of gravity) of the contact length of the traveling crawlers (2a) and (2b), and an inner peripheral surface of the traveling crawler (2a) (2b) is provided. The lower sled body (89) of the guide (87) is slidably contacted between the left and right engaging protrusions (88), and the center of the bottom surface of the sled body (89) is formed as a concave depression (90). The upper mounting plate (91) of the left and right track rollers (51) has a large width between the left and right track frames (3a) and (3b), and is fixed to the lower surface of the center with a bolt (92) so that it can be removed. When overcoming the crawler, the crawlers (2a) and (2b) are bent into the recessed portion (90) of the guide (87) so that the crawlers (2a) and (2b) are disengaged from the sprocket (50) and the idler wheel (52). Prevent Both are configured to prevent a body is subjected to large impact or Tsu floats protrusion.
[0020]
The bearing plates (59) and (60) for supporting the support shafts (61) and (62) have base end pivot plates (93) and (94), and horizontal frames (57) and (58) with bolts (95). Via the left and right mounting positions.
[0021]
As shown in FIGS. 13 to 14, the first and second cylinder shafts (27) and (28) projecting outward from the left side plate (4a) are interlocked via pulleys (96) and (97) and a belt (98). Connected to the counter shaft (99) disposed between the output shaft (12a) of the engine (12) and the second barrel shaft (28), the output shaft via the pulleys (100) (101) and the belt (102). (12a) is linked to the outside of the left side plate (4a), and the counter shaft (99) is linked to the second handle cylinder shaft (28) via pulleys (101) (103) and a belt (104). The first and second handling cylinders (5) and (6) are configured to rotate counterclockwise (in the same direction) as viewed from the side as shown in FIG.
[0022]
Further, the swinging shaft (105) of the swing sorter (7) is connected to the first handle cylinder shaft (27) via a belt transmission mechanism (106) having a belt (106a), and the supply chain conveyor (25). ) To the drive shaft (107) via the belt transmission mechanism (108), the first handling cylinder shaft (27) is interlocked on the outside of the left side plate (4a) to drive the sorting plate (7) and conveyer (25). ) And the conveyor (25) to drive the cutting unit (18).
[0023]
A counter shaft disposed between the conveyor shafts (44a) and (47a) of the first and second conveyors (44) and (47) on the second handling cylinder shaft (28) protruding outward from the right side plate (4b). (109) is interlocked and connected via a belt transmission mechanism (110), and the counter shaft (109) is interlocked via a belt transmission mechanism (111) having a belt (111a) on the Karatsu drive shaft (42a) of the Karatsu (42). The counter shaft (109) is interlocked and connected to the conveyor shafts (44a) and (47a) via a belt transmission mechanism (112) having a belt (112a), and the outer side of the right side plate (4b) ) And the first and second conveyors (44) and (47).
[0024]
Further, a belt transmission mechanism (114) is connected to the input shaft (113) of the transmission case (49) below the rear end of the swing sorter (7), and the bottom discharge auger (115) of the grain tank (8). The output shaft (12a) of the engine (12) is interlocked and connected to the drive shaft (116) of the left side plate (4a) via the belt transmission mechanism (117) to drive and discharge the grain in the grain tank (8). Configured to do.
[0025]
Then, the cereal cylinder (9) and the second reduction cylinder (45) interlockingly connected to the first and second conveyors (44) and (47) are disposed outside the left side plate (4a), and the bottom discharge auger ( 115) and a vertical discharge auger (118) interposed between the upper discharge auger (10) and arranged on the outside of the right side plate (4b) to stabilize the left and right balance of the machine body and simplify the drive system. is doing.
[0026]
As shown in FIGS. 6, 7 and 15, the mudguard cover (119) covering the upper part of the left and right traveling crawlers (2a) (2b) is provided above the horizontal cylinders (67) (68) and the left and right side plates (4a) (4b). ) Between the front end of the cover (119) and the first conveyor (44). The yoke (120) fixed to the upper surface of the front and rear ends of the cover (119) is detachable via bolts (121). ) To prevent the mud adhering to the crawlers (2a) and (2b) from splashing, and the belt transmission mechanism (106) (111) and hydraulic hose disposed above this It is configured to protect against mud. In particular, the cover (119) prevents mud from entering the Karatsu (42) from the air intake (122) of the Karatsu (42) opened on the side plate (4a), and the sorting function is stably maintained. Is.
[0027]
The mudguard cover (119) is preferably provided in the full width in the front-rear direction from the front end to the rear end of the side plates (4a) (4b) as shown by the phantom lines in FIG. Can be better protected.
[0028]
As shown in FIGS. 15 to 17, a grain tank (8) and an engine room (11) are formed between the left and right side plates (4a) (4b) constituting the threshing part (4). A grain tank (8) is integrally formed on the rear upper side, and an engine room (11) is integrally formed on the rear side of the tank (8).
[0029]
The counter shaft (99) and the auger drive shaft (116) are integrally attached to the left side plate (4a) via the counter case (123) and the case attaching member (124). The case mounting member (124) for attaching the case (123) is provided in the front and rear positions of the side plate (4a) with the shafts (99) and (116) as the center in a vertically long and parallel manner, and on the upper left side of the grain tank (8). The bulging portion (4c) and the lower left side surface (4a) are provided so as to be reinforced by the attachment member (124), and the attachment member (124) is attached to the counter case (123) and the grain tank (8). By using it for both reinforcement, the number of parts is reduced to reduce the weight of the fuselage and reduce the cost.
[0030]
【The invention's effect】
As apparent from the above embodiments, the present invention provides a mudguard cover (119) above the traveling crawlers (2a) and (2b) in a normal combine that drives the traveling crawlers (2a) and (2b). Since it is disposed, mud or the like adhering to the traveling crawlers (2a) (2b) during work is prevented from splashing upward by the mudguard cover (119), and the transmission belt (106a) disposed above this is prevented. ) (111a) and the hydraulic hose can eliminate the inconveniences such as mud adhering to the threshing part, especially the inside of the tang (42), so that these functions can be stably maintained.
[0031]
Further, in a normal combine that keeps the machine stand (1) horizontal by changing the support height of the left and right machine stands by the left and right running crawlers by the left and right horizontal cylinders (67) and (68), the outside of the threshing machine body and the left and right running crawlers (2a) ) (2b) Since the left and right horizontal cylinders (67) and (68) are arranged between the sorting boards (7) and tang (when the left and right horizontal cylinders (67) and (68) are arranged in the threshing section) 42) to prevent inconvenience such as interference with the sorting panel (7) and the like, and to enable a space-saving arrangement with the sorting panel (7) or the like positioned in the lower position, and to the left and right horizontal cylinders (67) (68) and the cylinder (67) ( 68) and the lift link mechanism (84) for connecting the track frame (3) can be simply arranged on the outside of the machine body to improve assemblability and maintenance.
[Brief description of the drawings]
FIG. 1 is an overall side view of a combine.
FIG. 2 is an overall plan view of the combine.
FIG. 3 is an overall front view of the combine.
FIG. 4 is a cross-sectional side view of a threshing portion.
FIG. 5 is a cross-sectional plan view of a threshing portion.
FIG. 6 is a side view of a traveling crawler unit.
FIG. 7 is a front view of a traveling crawler unit.
FIG. 8 is a plan view of a traveling crawler unit.
FIG. 9 is an explanatory plan view of a traveling crawler unit.
FIG. 10 is a front explanatory view of a traveling crawler unit.
FIG. 11 is an explanatory plan view of a vehicle height sensor unit.
FIG. 12 is an explanatory side view of a vehicle height sensor unit.
FIG. 13 is a left side explanatory view of a threshing drive system.
FIG. 14 is an explanatory diagram on the right side of the threshing drive system.
FIG. 15 is an explanatory view of a threshing left side plate.
FIG. 16 is an explanatory side view of a counter case mounting portion.
FIG. 17 is a rear view of the counter case mounting portion.
[Explanation of symbols]
(1) Machine stand (2a) (2b) Traveling crawler (4a) Side plate (8) Grain tank (67) (68) Lifting cylinder (101) Counter pulley (119) Mudguard cover (123) Counter case (124) Mounting member

Claims (2)

左右水平シリンダによって左右走行クローラによる左右機台の支持高さを変化させて機台を水平維持する普通形コンバインにおいて、扱胴や選別部である揺動選別盤などを備える脱穀部の左右側板外方であって、脱穀部の左右側板と左右走行クローラ間に左右水平シリンダ、クランクリンク、ロッドなどで構成する左右の昇降リンク機構を配設したことを特徴とする普通形コンバイン。The left and right side plates of the threshing section with a handling cylinder and a swinging sorter that is a sorting part in a normal combine that keeps the machine stand horizontal by changing the support height of the left and right machine stands by the left and right horizontal crawlers by the left and right horizontal cylinders A normal combine which is characterized in that left and right lifting link mechanisms composed of left and right horizontal cylinders , crank links, rods and the like are disposed between the left and right side plates of the threshing portion and the left and right traveling crawlers. 前記左右走行クローラの上方に、該上方を覆う泥除けカバーを配設するとともに、前記泥除けカバーを前記左右水平シリンダの上方で脱穀部の左右側板の前端と一番コンベア間に設けることを特徴とする請求項1に記載の普通形コンバイン。A mudguard cover that covers the upper side of the left and right traveling crawlers is provided, and the mudguard cover is provided between the front ends of the left and right side plates of the threshing unit and the first conveyor above the left and right horizontal cylinders. The ordinary combine according to claim 1.
JP20717098A 1998-07-06 1998-07-06 Normal combine Expired - Fee Related JP3862194B2 (en)

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