JP2004344130A - Reaping transporting apparatus of combine harvester - Google Patents

Reaping transporting apparatus of combine harvester Download PDF

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Publication number
JP2004344130A
JP2004344130A JP2003147848A JP2003147848A JP2004344130A JP 2004344130 A JP2004344130 A JP 2004344130A JP 2003147848 A JP2003147848 A JP 2003147848A JP 2003147848 A JP2003147848 A JP 2003147848A JP 2004344130 A JP2004344130 A JP 2004344130A
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Japan
Prior art keywords
transmission
transmission cases
transfer
center
cases
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JP2003147848A
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Japanese (ja)
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JP4218419B2 (en
Inventor
Kiyoshi Iiizumi
清 飲泉
Kazuharu Kiyasu
一春 喜安
Takeshi Takekata
毅 武方
Masayuki Anami
雅之 阿波
Manabu Saito
学 齋藤
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Priority to JP2003147848A priority Critical patent/JP4218419B2/en
Publication of JP2004344130A publication Critical patent/JP2004344130A/en
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  • Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
  • Harvester Elements (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To simplify constitution and transmission of a raking in transporting apparatus of a combine harvester. <P>SOLUTION: A reaping frame 12 is freely liftably and lowerably installed in the front side part of a traveling machine body and a front transmission case part 12c in which a transmission shaft is internally installed in the left and right directions is provided in the front side part of the reaping frame 12. Left/right transportation transmission cases 24 and 24 are extended from the lower parts of left/right raising up transmission cases 16 and 16 stood up from both left and right ends of the front transmission case part 12c toward the center. Left/right root transporting apparatuses 27 and 27 are provided under the ends toward the center of the left/right transportation transmission cases 24 and 24. Left/right raking in transporting apparatuses 34 and 34 are provided on the ends toward the center of the left/right transportation transmission cases 24 and 24. Power is transmitted through the transmission case part 12c, the left/right raising up transmission cases 16 and 16 and a transmission apparatus internally installed in the left/right transportation transmission cases 24 and 24 to the left/right root transporting apparatuses 27 and 27 and the left/right raking in transporting apparatuses 34 and 34. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
この発明は、コンバインの刈取搬送装置に関するものである。
【0002】
【従来の技術】
コンバインの刈取搬送装置において、刈取フレームの前側部に伝動軸の内装されている左右方向に沿った左右伝動ケースを設け、この左右伝動ケースの左右両端部から立ち上げた左・右引越し伝動ケースの上端部に左・右穀稈引越装置を取り付け、左右方向に沿った左右伝動ケースの中央部から立ち上げた左右の搬送伝動ケースに左・右根元搬送装置及び左・右掻込ホイールを設けたものは公知である。
【0003】
【特許文献1】
特開平11−266652号公報(第2〜3頁、第2図)
【0004】
【発明が解決しようとする課題】
従来技術は、伝動軸の内装されている左右方向に沿った左右伝動ケースの左右両端部から左・右引越し伝動ケースを立ち上げて左・右穀稈引越装置を駆動し、左右伝動ケースの中央部から立ち上げた左右の搬送伝動ケースにより左・右根元搬送装置及び左・右掻込ホイールを駆動する構成で、刈取搬送部の伝動構成が複雑化しコストアップになる不具合が発生していた。そこで、この発明は、このような不具合を解消しようとするものである。
【0005】
【課題を解決するための手段】
この発明は、前記課題を解決するために、次のような技術的手段を講じるものである。
請求項1の発明は、走行機体の前側部に刈取フレーム12を昇降自在に設け、該刈取フレーム12の前側部に伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、該前伝動ケース12cの左右両端部から左・右引越し伝動ケース16,16を立ち上げ、該左・右引越し伝動ケース16,16の下部から左・右搬送伝動ケース24,24を中央寄りに向けて延出し、該左・右搬送伝動ケース24,24の中央寄り端部には左・右根元搬送装置27,27を設け、前記前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24の内部に設けられた伝動装置を経由して前記左・右根元搬送装置27,27に動力を伝達するように構成したことを特徴とする。
【0006】
前記構成によると、走行機体の前側部に昇降自在に設けられている刈取フレーム12の前側部には伝動軸の内装されている左右方向に沿った前伝動ケース12cが設けられていて、この前伝動ケース12cの左右両端部から立ち上げた左・右引越し伝動ケース16,16には左・右穀稈引越装置20,20が設けられていて、前伝動ケース12c及び左・右引越し伝動ケース16,16内の伝動装置を経て左・右穀稈引越装置20,20に動力が伝達される。また、左・右引越し伝動ケース16,16の下部から中央寄りに向けて延出している左・右搬送伝動ケース24,24の中央寄り端部には左・右根元搬送装置27,27が設けられていて、前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24の内部の伝動装置を経由して左・右根元搬送装置27,27に動力が伝達される。
【0007】
請求項2の発明は、走行機体の前側部に刈取フレーム12を昇降自在に設け、該刈取フレーム12の前側部に伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、該前伝動ケース12cの左右両端部から左・右引越し伝動ケース16,16を立ち上げ、該左・右引越し伝動ケース16,16の下部から左・右搬送伝動ケース24,24を中央寄りに向けて延出し、該左・右搬送伝動ケース24,24の中央寄り端部下方にはチエン型搬送無端帯からなる左・右根元搬送装置27,27を設け、前記左・右搬送伝動ケース24,24の中央寄り端部上方にはラグ付無端帯からなる左・右掻込搬送装置34,34を設け、前記前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24に内装した伝動装置を経由して前記左・右根元搬送装置27,27及び左・右掻込搬送装置34,34に動力を伝達するように構成したことを特徴とする。
【0008】
前記構成によると、走行機体の前側部に昇降自在に設けられている刈取フレーム12の前側部には伝動軸の内装されている左右方向に沿った前伝動ケース12cが設けられていて、この前伝動ケース12cの左右両端部から立ち上げた左・右引越し伝動ケース16,16には左・右穀稈引越装置20,20が設けられていて、前伝動ケース12c及び左・右引越し伝動ケース16,16内の伝動装置を経て左・右穀稈引越装置20,20に動力が伝達される。また、左・右引越し伝動ケース16,16の下部から中央寄りに向けて延出している左・右搬送伝動ケース24,24の中央寄り端部の下方にはチエン型搬送無端帯の左・右根元搬送装置27,27が設けられ、左・右搬送伝動ケース24,24の中央寄り端部の上方にはラグ付き掻込無端帯の左・右掻込搬送装置34,34が設けられていて、前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24の内部に設けた伝動装置を経由して左・右根元搬送装置27,2及び左・右掻込搬送装置34,34に動力が伝達される。
【0009】
請求項3の発明は、走行機体の前側部に刈取フレーム12を昇降自在に設け、該刈取フレーム12の前側部に伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、該前伝動ケース12cの左右両端部から左・右引越し伝動ケース16,16を立ち上げ、該左・右引越し伝動ケース16,16の下部から左・右搬送伝動ケース24,24を中央寄りに向けて延出し、該左・右搬送伝動ケース24,24の中央寄り端部下方には、チエン型搬送無端帯からなる左・右根元搬送装置27,27を設けると共に、その下方に左・右掻込ホイール39,39を設け、該左・右搬送伝動ケース24,24の中央寄り端部上方にはラグ付無端帯からなる左・右掻込搬送装置34,34を設け、前記前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24に内装した伝動装置を経由して前記左・右根元搬送装置27,27、左・右掻込搬送装置34,34及び左・右掻込ホイール39,39を駆動するように構成したことを特徴とする。
【0010】
前記構成によると、走行機体の前側部に昇降自在に設けられている刈取フレーム12の前側部には伝動軸の内装されている左右方向に沿った前伝動ケース12cが設けられていて、この前伝動ケース12cの左右両端部から立ち上げた左・右引越し伝動ケース16,16には左・右穀稈引越装置20,20が設けられていて、前伝動ケース12c及び左・右引越し伝動ケース16,16内の伝動装置を経て左・右穀稈引越装置20,20に動力が伝達される。また、左・右引越し伝動ケース16,16の下部から中央寄りに向けて延出している左・右搬送伝動ケース24,24の中央寄り端部の下方にはチエン型搬送無端帯の左・右根元搬送装置27,27が設けられ、左・右根元搬送装置27,27の下方に左・右掻込ホイール39,39が設けられていて、左・右搬送伝動ケース24,24の中央寄り端部の上方にはラグ付き掻込無端帯の左・右掻込搬送装置34,34が設けられていて、前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24の内部に設けられている伝動装置を経由して左・右根元搬送装置27,27、左・右掻込ホイール39,39及び左・右掻込搬送装置34,34に動力が伝達される。
【0011】
【発明の効果】
請求項1の発明は、走行機体の前側部に昇降自在に設けられている刈取フレーム12の前側部には伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、この前伝動ケース12cの左右両側部から立ち上げている左・右引越し伝動ケース16,16から中央寄りに向けて延出している左・右搬送伝動ケース24,24の中央寄り端部に左・右根元搬送装置27,27を設けたので、左・右根元搬送装置27,27の支持構成及び伝動構成を簡素化することができる。
【0012】
請求項2の発明は、走行機体の前側部に昇降自在に設けられている刈取フレーム12の前側部には伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、この前伝動ケース12cの左右両側部から立ち上げている左・右引越し伝動ケース16,16から中央寄りに向けて延出している左・右搬送伝動ケース24,24の中央寄り端部下方位置に左・右根元搬送装置27,27を設けたので、左・右根元搬送装置27,27の下方に空間部を形成できて、左・右搬送伝動ケース24,24への藁屑類の詰まりを少なくし穀稈を円滑に搬送することができる。
【0013】
請求項3の発明は、走行機体の前側部に昇降自在に設けられている刈取フレーム12の前側部には伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、この前伝動ケース12cの左右両側部から立ち上げている左・右引越し伝動ケース16,16から中央寄りに向けて延出している左・右搬送伝動ケース24,24の中央寄り端部上方には左・右掻込搬送装置34,34を設け、左・右搬送伝動ケース24,24の下方に左・右根元搬送装置27,27及び左・右掻込ホイール39,39を設けたので、藁屑類の詰まりを少なくし穀稈の掻込搬送性能を向上させることができる。
【0014】
【発明の実施の形態】
以下、図面に示すこの発明の実施例の形態について説明する。
まず、図1〜図3に基づきコンバインの全体構成について説明する。コンバインの走行車体1はクローラ走行装置2,2により走行し、走行車体1上には、操縦席3、脱穀部4、グレンタンク5、排稾処理装置6等を搭載し、脱穀部4の前方には後部の支点回りに上下回動して昇降する刈取搬送部7が設けられている。
【0015】
しかして、植立穀稈は刈取搬送部7の穀稈引越装置により引き起こされて刈刃装置で刈り取られ、刈取穀稈は掻込搬送されて後側の穀稈搬送装置10に受け継がれて揚上搬送され、脱穀部4のフィードチエン11に供給される。次いで、フィードチエン11により扱室内に送り込まれた穀稈は扱胴(図示省略)の回転により脱穀され、受け網を通過した穀粒・藁屑類は揺動選別棚(図示省略)に落下供給され、揺動選別棚の篩作用により穀粒と藁屑類に分離されながら下方の選別風路(図示省略)に移行し風選れる。風選された穀粒は一番揚穀機(図示省略)によりグレンタンク5に揚穀され収納される。また、選別風路の終端側に流れた藁屑類は脱穀部4の後部から機外に排出され、また、フィードチエン11により後方に搬送された脱穀済の排稾は排稾処理装置6により、例えば細断されて機外に排出される。
【0016】
次に、図4〜図7に基づき刈取搬送部7について説明する。
刈取フレーム12は、前後方向に沿う縦伝動ケース12aと、縦伝動ケース12aの後端部に設けられている動力入力ケース12bと、縦伝動ケース12aの前端に左右方向に沿うように設けられている前伝動ケース12cにより構成されていて、動力入力ケース12b内に軸架されている刈取入力軸13にはエンジン(図示省略)から動力が伝達される。また、縦伝動ケース12a、前伝動ケース12c内には刈取縦伝動軸14、刈取横伝動軸15が夫れ夫れ軸架されていて、刈取入力軸13に伝達された動力がベベルギヤを経て刈取縦伝動軸14に、次いでベベルギヤを経て刈取横伝動軸15に伝達されるように構成されている。
【0017】
刈取フレーム12の前伝動ケース12cの左右両側部から左・右引越し伝動ケース16,16を立ち上げ、この左・右引越し伝動ケース16,16の上部を内側に屈折している。この左・右引越し伝動ケース16,16内には左・右引越し伝動軸17,17を設けて、前記刈取横伝動軸15の両端部からベベルギヤを介して左・右引越し伝動軸17,17に動力を伝達するように構成している。また、前伝動ケース12cの中間部から中央引越し伝動ケース18を延出している。この中央引越し伝動ケース18は、下部側を前側に突出し、次いで後斜め上方に傾斜して延出する上側部で側面視屈折状に構成している。中央引越し伝動ケース18内には中央引越し伝動軸19を設けて、前記刈取横伝動軸15の右側中途部からベベルギヤ群を介して中央引越し伝動軸19に動力を伝達するように構成している。
【0018】
そして、左・右引越し伝動ケース16,16及び中央引越し伝動ケース18の上端部に、斜後方に急傾斜した左・右穀稈引越装置20,20及び中央穀稈引越装置21を夫れ夫れ取り付けている。また、前伝動ケース12cの両側から左・右分草杆21,21を前方に突出し、中央引越し伝動ケース18の下部から中央分草杆22,22を前方に突出し、これら分草杆21,21,22,22の先端部に分草ガイド体23を取り付けている。この左・右穀稈引越装置20,20及び中央穀稈引越装置21は左・右分草杆21,21の内側上方に所定間隔隔てて配置されていて、分草杆21,21,22,22の分草ガイド体23,…により引き起こされた穀稈が左・右穀稈引越装置20,20及び中央穀稈引越装置21の下端部前側に案内される構成である。
【0019】
なお、左・右穀稈引越装置20,20及び中央穀稈引越装置21は、穀稈引越しケースと、穀稈引越しケース内に回動するように巻き掛けられている引越しチエン(図示省略)と、引越しチエンに起伏自在に取り付けられている引越しラグ等により構成されていて、左・右引越し伝動ケース16,16及び中央引越し伝動ケース18内の左・右引越し伝動軸17,17、中央引越し伝動軸19を経て引越しチエン(図示省略)に動力が伝動される構成である。
【0020】
また、左・右引越し伝動ケース16,16の下側部から中央寄り斜め前方に向けて左・右搬送伝動ケース24,24を突出し、左・右搬送伝動ケース24,24内には伝動軸、ベベルギヤ、ウォーム、ウォームホイールからなる左・右搬送伝動装置25,25を内装し、左・右搬送伝動ケース24,24の先端側の左・右伝動軸26,26に動力を伝達している。
【0021】
左・右搬送伝動ケース24,24の先端部下側には、左・右根元搬送装置27,27を中央寄り斜め後方に向けて延出するように設け、左・右根元搬送装置27,27の搬送部始端側を平面視ハ字状に後側を狭くなるように構成している。この左・右根元搬送装置27,27は、左・右伝動軸26,26に取り付けられている駆動スプロケット27a、チエンレール27b、チエンレール27bに軸架されている遊動スプロケット27c、テンションアーム27dに軸架されているテンションスプロケット27e、バネ27f、チエン型搬送無端帯27gにより構成されている。
【0022】
また、左根元搬送装置27を構成するにあたり、図8に示すように、左側のチエンレール27bの前側部を左側から中央寄りに斜め後方に向けて延出し、後側部を中央から左側に向けて斜め後側に向けて延出し、その後側端部に遊動スプロケット27cを軸架し(あるいは後側端部を円弧状に構成し)、搬送部を中途部から屈曲するように構成している。
【0023】
そして、テンションアーム27dをL型に屈折して構成し、遊動スプロケット27cを軸支している軸を介してテンションアーム27dの中途部の屈折部を軸支する構成としている。従って、遊動スプロケット27c及びテンションアーム27dの軸支構成を共用化して構成を簡素化しながら、搬送無端帯27gの張り調節代を大きくして張り効果を高めることができ、また、テンションアーム27dを左外側に配置できて、調節ボルト28の調節操作を容易にすることができる。
【0024】
また、左引越し伝動ケース16から支持フレーム29を延出し、この支持フレーム29の基部側を中央寄り斜め後側に向けて延出し、その先端部を中央寄りに斜め前側に向けて延出して屈折状に構成している。そして、支持フレーム29の先端部に前記チエンレール27bの中間部をブラケットを介して取り付けている。しかして、図8に示すように、左搬送伝動ケース24、支持フレーム29及びチエンレール27bにより平面視四辺形状が構成され、その中央部に空間部31が形成される。従って、右側のチエンレール27bの強度アップを図りながら、その空間部31から藁屑類を落下させて詰まりを防止できる。また、支持フレーム29によりチエンレール27bの中途部を支持できて構成を簡素化することができる。
【0025】
なお、図8に示すように、左搬送伝動ケース24、支持フレーム29及びチエンレール27bにより四辺形状に構成し、左搬送伝動ケース24と支持フレーム29の先端部との間をステー32により連結することにより、チエンレール27bの撓みを防止し、チエン型搬送無端帯27gの撓みを防止し搬送性能を安定させることができる。
【0026】
また、左根元搬送装置27は、図8に示すように、前側の駆動スプロケット27a、後側の遊動スプロケット27c及びテンションスプロケット27eに搬送無端帯27gを巻き掛けて構成し、テンションスプロケット27eはテンションアーム27dに軸支されていて、調節ボルト28及びバネ27fにより弾圧支持されている。
【0027】
また、図9に示すように、左搬送伝動ケース24から延出した前記支持フレーム29にカバー33を取り付け、カバー33により前記バネ27fは上方を被覆している。そして、カバー33をその中央部から左右両側に下り傾斜に屈折し、藁屑類をカバー33の左右両側に案内して落下させ、バネ27fへの藁屑類の引っ掛かりを防止ししている。
【0028】
また、図10に示すように、左・右伝動軸26,26における左・右搬送伝動ケース24,24の下方部位には、駆動スプロケット27a,27aを取り付けて、左・右根元搬送装置27,27の搬送無端帯27g,27gを駆動するように構成している。
【0029】
また、図10に示すように、前記左・右搬送伝動ケース24,24の内側端部には上下方向の左・右伝動軸26,26を軸支し、この左・右伝動軸26,26における左・右根元搬送装置27,27の下方部位に左・右掻込ホイール39,39を取り付けている。
【0030】
前記のように、左・右引越し伝動ケース16,16から左・右搬送伝動ケース24,24を前側中央寄りに向けて延出し、この左・右搬送伝動ケース24,24の下方位置に左・右根元搬送装置27,27を吊り下げ状に配置したので、左・右根元搬送装置27,27の下方には広い空間を形成できて、藁屑類の停滞を少なくし穀稈の搬送を円滑に行なうことができる。
【0031】
左・右搬送伝動ケース24,24の左・右根元搬送装置27,27の上側には左・右掻込搬送装置34,34を設けている。この左・右掻込搬送装置34,34は、左・右伝動軸26,26に取り付けられている左・右駆動プーリ34a、左・右伝動軸26,26に基部側が取り付けられている掻込フレーム34b、掻込フレーム34bの先端部に軸支されている左・右プーリ34c、左・右駆動プーリ34aと左・右プーリ34c,34cに巻き掛けているラグ付きの掻込ベルト34d,34dにより構成されている。
【0032】
そして、この左・右掻込搬送装置34,34の基部側を左・右根元搬送装置27,27の搬送部の前部上方に対応配置し、その前側部を左右両側に向けての斜め前側に延出し、穀稈の根元部に掻込ベベル34d,34dのラグが作用して左右両側部から中央寄りに穀稈を集め、左・右根元搬送装置27,27の始端部に掻込搬送するように構成している。
【0033】
また、図4に示すように、前伝動ケース12cの両側から前方に延出している左・右分草杆21,21から、中央寄り後側に向けてステー35,35を延出し、そのステー35,35の先端部に左・右掻込搬送装置34,34の掻込フレーム34b,34bの先端側を支持している。
【0034】
また、図7及び図9に示すように、左引越し伝動ケース16から左斜め後方に向けてステー36を延出し、そのステー36に左掻込搬送装置34におけるテンションスプロケット27e調節用の調節ボルト28を支持している。そして、そのステー36に左側の刈取サイドカバー37の後側部を支持すると共に、左側の刈取サイドカバー37の前側部を左穀稈引越装置20のケースに取り付けている。
【0035】
また、図4に示すように、右側の刈取サイドカバー37の後側部を右引越し伝動ケース16から右後側に向けて延出しステー38に取り付け、右側の刈取サイドカバー37の前側部を右側分草杆21にボルト・ナットで取り付けている。
しかして、左根元搬送装置27のテンションスプロケット27e調整用の調節ボルト28を支持するステー36を利用して、左側の刈取サイドカバー37を取り付けているので、左側の刈取サイドカバー37の支持構成を簡素化することができる。また、左側の刈取サイドカバー37をステー36に支持した状態では、ステー36の支持強度がアップし、左根元搬送装置27のテンションスプロケット27eのテンションを確実にきかすことができる。
【0036】
また、図10及び図11に示すように、左・右搬送伝動ケース24,24の先端部に軸架されている左・右伝動軸26,26には、左・右搬送伝動ケース24,24の下側に左・右掻込ホイール39,39及び駆動スプロケット27a,27aを設けてボルト・ナットで連結して一体回転するように構成し、左・右伝動軸26,26における左・右搬送伝動ケース24,24の上側には左・右掻込搬送装置34,34の左・右駆動プーリ34a,34aを設け、前記左・右駆動プーリ34a,34aと駆動スプロケット27a,27aとの間に、巻付防止カラー40,40を配設する構成としてもよい。
【0037】
このように構成することにより、左・右搬送伝動ケース24,24の左・右伝動軸26,26により、左・右掻込搬送装置34,34及び左・右根元搬送装置27,27を駆動するものでありながら、巻付防止カラー40,40により左・右伝動軸26,26への藁屑類の巻付を少なくして、左・右搬送伝動ケース24,24を保護することができ、左・右搬送伝動ケース24,24をアルミ製としても摩耗を防止し耐久性を高めることができる。
【0038】
刈取搬送部7の後部には穀稈搬送装置10及び穂先搬送装置63を設け、左・右根元搬送装置27,27により左右両側から中央部に搬送される穀稈を穀稈搬送装置10及び穂先搬送装置63に引継ぎ脱穀部4に搬送するように構成している。この穀稈搬送装置10及び穂先搬送装置63をその後部を上下及び左右に回動自在に構成されていて、機体後部の脱穀部4に扱ぎ深さ調節可能に穀稈を供給するように構成している。そして、図12に示すように、この穀稈搬送装置10及び穂先搬送装置63の前端部を中央穀稈引越装置21の後側に接近するように延設し、穂先搬送装置63の前端部に対向するように穂先掻込ホイール65を配置し、モータ(図示省略)で駆動するように構成している。そして、中央穀稈引越装置21の引越しケースの後側には、上下方向中間部から上方にかけて平面視で変形三角形状の穂先ガイド板41を後側に突出するように設けている。
【0039】
しかして、左穀稈引越装置20及び中央穀稈引越装置21で引き起こされた穀稈穂先部は、穂先掻込ホイール65及び穂先ガイド板41の左側面により後方に案内されて穂先搬送装置63の中途部に合流し、また、右穀稈引越装置20で引き起こされた穀稈の穂先部は、穂先ガイド板41の右側面に案内されて穂先搬送装置63の始端部に合流し、これらは穂先搬送装置63の中途部で合流して終端側に搬送される。
【0040】
従って、左・右穀稈引越装置20,20及び中央穀稈引越装置21により引き起こされた穀稈の穂先部は穂先ガイド板41を経て穂先搬送装置63及び穂先掻込ホイール65に円滑に引き継がれ、短い穀稈のこぼれを防止し掻込搬送性能を高めることができる。
【0041】
なお、中央穀稈引越装置21の穀稈引越しケースにおける下部後側面の左側部には、弾性材で構成されている左ガイド杆42を取り付け、この左ガイド杆42を前記左掻込ホイール39の外周部における右側部前側に沿わせている。また、中央穀稈引越装置21の穀稈引越しケースにおける下部後側面の右側部には、弾性材で構成されている中央ガイド杆43を取り、この中央ガイド杆43を前記右根元搬送装置27の搬送中途部に沿わせている。
【0042】
図4、図13に示すように、中央分草杆22のフレーム部から左掻込ホイール39に向けて支持部材44を延出し、支持部材44の先端部に軸受を介して左遊転掻込ホイール45を支持し、左遊転掻込ホイール45の掻込凸部を前記右掻込ホイール39の掻込凸部とを係合し、右掻込ホイール39を介して左遊転ホイール45を駆動するように構成している。
【0043】
そして、支持部材44の先端部には、補助掻込搬送装置46を前記左左掻込搬送装置34及び左根元搬送装置27に対して前後方向直線に左右対称状に設けている。なお、補助掻込搬送装置46は、左遊転掻込ホイール45と一体的に回転する遊転軸に取り付けられている駆動プーリ、遊転軸に基部側が取り付けられている掻込フレーム、掻込フレームの先端部に軸支されているプーリ、駆動プーリとプーリに巻き掛けているラグ付きの掻込ベルトにより構成されていてる。しかして、補助掻込搬送装置46は左遊転掻込ホイール45により駆動される。
【0044】
また、図4に示すように、中央分草杆22から弾性材からなる遊動掻込ホイールガイド杆47を後方に向けて延出し、この遊転掻込ホイールガイド杆47の中途部を屈曲して、その後側部を左遊転掻込ホイール45の掻込凸部上方に沿わせて配置し、また、中央分草杆22から弾性材からなる掻込ホイールガイド杆48を左斜め後方に向けて延出し、この掻込ホイールガイド杆48の中途部を屈曲して、その後側部を左掻込ホイール39の掻込凸部の上方に沿わせて配置している。
【0045】
また、中央分草杆22から左・右掻込搬送ガイド杆49,50を左右後方に向けて延出し、左・右掻込搬送ガイド杆49,50の前側部を左右両側に向けて斜め後方に延出し、その中途部を屈曲して終端部を内側に向けて斜め後方に延出し、その終端部を左掻込搬送装置34、補助掻込搬送装置46のラグに平面視でオーバーラップするように対向して位置させ穀稈を案内するように構成している。
【0046】
図13について説明する。中央引越し伝動ケース18にはブラケットを介して右根元穀稈ガイド杆(前側)58を取り付け、この右根元穀稈ガイド杆(前側)58を右掻込ホイール39及び右根元搬送装置27の搬送部始端側に対向して設けている。そして、この右根元穀稈ガイド杆(前側)58は、始端側部58a及び終端側部58bによりL字型に屈曲して構成されていて、右掻込ホイール39の前側部と始端側部58aとの間が平面視で前側ほど幅広に形成して掻込穀稈の受入れを円滑にするように構成し、終端側部58bを右根元搬送装置27の中途搬送部に沿わせて弾圧している。また、中央引越し伝動ケース18にブラケットを介して右根元穀稈ガイド杆(後)59を取り付け、この右根元穀稈ガイド杆(後)59を右根元穀稈ガイド杆(前側)58の後側に沿わせて後側に延出して右根元搬送装置27の搬送終端部に弾圧して対向配置している。
【0047】
右根元搬送装置27の搬送始端側には右根元穀稈ガイド杆(前側)58を配置し、搬送終端側には右根元穀稈ガイド杆(後)59を対向配置し、夫れ夫れ短い搬送経路の穀稈を挟持するようにしたので、案内挟持性能を高め搬送穀稈のずれやこぼれを少なくすることができる。
【0048】
また、図14に示すように、中央引越し伝動ケース18から左掻込ホイール39に向けて支持部材44を延出し、この支持部材44の先端部に軸受52を介して左遊転掻込ホイール45を支持し、左遊転掻込ホイール45の掻込凸部を前記左掻込ホイール39の掻込凸部とを係合し、左掻込ホイール39を介して左遊転掻込ホイール45を駆動するように構成している。
【0049】
そして、前記支持部材44には左根元穀稈ガイド杆54を取り付け、この左根元穀稈ガイド杆54の始端側を左遊転掻込ホイール45の掻込凸部の基部上方を経由して左根元搬送装置27の搬送部の中途部に圧接するように延出している。また、支持部材44先端の軸受52には補助穀稈ガイド杆55の先端リング部を嵌合支持し、補助穀稈ガイド杆55を左根元穀稈ガイド杆54の後側に沿わせて後方に延出し、補助穀稈ガイド杆55の終端部を左根元搬送装置27の終端部に圧接している。また、支持部材44には遊動掻込ホイールガイド杆53を左遊動掻込ホイール45の掻込凸部の基部上方に沿わせて延出し、遊動掻込ホイールガイド杆53の終端部を左根元搬送装置27の中途搬送部に所定間隔隔てて配置し、遊動掻込ホイールガイド杆53の終端部を補助穀稈ガイド杆55の基部に支持している。
【0050】
前記のように構成したので、左遊転掻込ホイール45への穀稈の巻き込みを防止して円滑に穀稈を掻き込むことができ、また、左根元搬送装置27の左斜め後方に向けて屈曲した終端搬送部で搬送中の穀稈を確実に挟持して搬送することができる。また、左遊転掻込ホイール45を支持する支持部材44を介して左根元穀稈ガイド杆54及び補助穀稈ガイド杆55を支持するので、支持構成を簡素化することができる。
【0051】
また、図15〜図17に示すように、刈取フレーム12の縦伝動ケース12a下部から右斜め上方に向けて支持筒56を延出し、右根元搬送装置27のチエンレール27b後側位置で、且つ、搬送無端帯27gの内周部位を支持筒56の上端部で支持し、支持筒56におけるチエンレール27bの上側位置には、テンションアーム27dの一端を軸架し、テンションアーム27dの他端側を右斜め前方に向けて延出して搬送無端帯27gの非搬送側中途部に位置させ、そのテンションアーム27dの他端部にテンションスプロケット27eを取り付けている。そして、テンションアーム27dの他端部におけるテンションスプロケット27eの外側位置に支持部57を設け、支持部57に調整自在に取り付けた調節ボルト28及びバネ27fにより、テンションスプロケット27eをチエン型搬送無端帯27gに圧接するように構成してもよい。
【0052】
前記のように構成すると、刈取フレーム12から延出した支持筒56及び右引越し伝動ケース16によりチエンレール27bを支持することとなり、右根元搬送装置27を強固なものとすることができ、また、支持筒56を介してテンションアーム27dを軸架したので構成を簡素化することができる。また、テンションスプロケット27e調整用のバネ27fを左・右根元搬送装置27,27の終端側の合流部から離れた所に位置させることができ、テンションスプロケット27e及びバネ27fに藁屑類の落下付着を少なくし、テンション性能を向上させることができる。
【0053】
しかして、刈取搬送部7の回転各部を駆動し機体を前進させると、左・右分草杆14,14、中央分草杆15の分草ガイド体16の先端部で倒伏穀稈が掬い上げられながら左・右穀稈引越装置20,20及び中央穀稈引越装置21の下端部に案内され、次いで、穀稈は左・右穀稈引越装置20,20及び中央穀稈引越装置21の起立した引越しラグに引き継がれ、引越しラグの上方への移動により左・右穀稈引越装置20,20及び中央穀稈引越装置21に沿って引き起こされ、刈刃装置61(図1に示す)により刈り取られる。
【0054】
次いで、引き起こされた穀稈の根元部は左・右掻込搬送装置34,34,補助掻込搬送装置46、左・右掻込ホイール39,39,左遊転掻込ホイール45及び左・右根元搬送装置27,27により、左右両側から中央部に集められながら後方に搬送されて、後方に搬送される穀稈は中央部に集められて左・右根元搬送装置27,27の終端部で合流し、次いで穀稈搬送装置10に引き継がれて揚上搬送され、脱穀部4のフィードチエン11に引き継がれる。
【図面の簡単な説明】
【図1】全体の側面図
【図2】全体の平面図
【図3】全体の正面図
【図4】要部の平面図
【図5】要部の斜視図
【図6】伝動経路を示す斜視図
【図7】要部の側面図、斜視図
【図8】要部の平面図
【図9】要部の平面図
【図10】要部の切断正面図
【図11】要部の平面図
【図12】要部の切断平面図
【図13】要部の平面図
【図14】要部の平面図
【図15】要部の平面図
【図16】要部の平面図
【図17】要部の平面図、切断側面図
【符号の説明】
1 走行車体
2 クローラ走行装置
3 操縦席
4 脱穀部
5 グレンタンク
6 排稾処理装置
12 刈取フレーム
12c 前伝動ケース
16 左・右引越し伝動ケース
24 左・右搬送伝動ケース
27 左・右根元搬送装置
34 左・右掻込搬送装置
39 左・右掻込ホイール
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a combine harvesting and transporting device.
[0002]
[Prior art]
In the combine harvester and transfer device, a left and right moving case is provided on the front side of the harvesting frame, and a left and right moving case is provided from the left and right ends of the right and left moving case. The left and right grain culm moving devices were attached to the upper end, and the left and right root transfer devices and the left and right scraping wheels were installed in the left and right transfer transmission cases that were set up from the center of the left and right transmission cases along the left and right directions. Those are known.
[0003]
[Patent Document 1]
JP-A-11-266652 (pages 2-3, FIG. 2)
[0004]
[Problems to be solved by the invention]
In the prior art, the left and right moving transmission cases are set up from both left and right end portions of the left and right transmission case along the left and right direction in which the transmission shaft is installed, and the left and right grain culm moving devices are driven, and the center of the left and right transmission case is When the left and right root transfer devices and the left and right scraping wheels are driven by the left and right transfer transmission cases that are set up from the sections, the transmission configuration of the reaping transfer unit becomes complicated, resulting in an increase in cost. Therefore, the present invention is to solve such a problem.
[0005]
[Means for Solving the Problems]
The present invention takes the following technical means in order to solve the above problems.
According to the first aspect of the present invention, a mowing frame 12 is provided on the front side of the traveling body so as to be able to move up and down, and a front transmission case 12c is provided on the front side of the mowing frame 12 along a left and right direction in which a transmission shaft is provided. The left and right moving transmission cases 16, 16 are set up from both left and right ends of the front transmission case 12c, and the left and right transfer transmission cases 24, 24 are directed toward the center from the lower part of the left and right moving transmission cases 16, 16. The left and right transport transmission cases 24, 24 are provided with left and right root transport devices 27, 27 at the ends near the center, and the front transmission case 12c, the left and right moving transmission cases 16, 16, and the left and right transport transmission cases 16, 16 are provided. Power is transmitted to the left and right root transfer devices 27, 27 via a transmission device provided inside the right transfer transmission case 24, 24.
[0006]
According to the said structure, the front transmission part 12c along the left-right direction in which the transmission shaft was installed is provided in the front side part of the mowing frame 12 provided in the front side part of the traveling body so that it can freely move up and down. The left and right moving transmission cases 16, 16 raised from both left and right end portions of the transmission case 12 c are provided with left and right grain culm moving devices 20, 20, respectively. The front transmission case 12 c and the left and right moving transmission case 16 are provided. , 16 are transmitted to the left and right grain stem moving devices 20, 20. Further, left and right base transfer devices 27, 27 are provided at the ends of the left and right transfer transmission cases 24, 24 extending toward the center from the lower portions of the left and right transfer transmission cases 16, 16 toward the center. Power is transmitted to the left and right root conveying devices 27 and 27 via the transmission devices inside the front transmission case 12c, the left and right moving transmission cases 16 and 16, and the left and right conveyance transmission cases 24 and 24. Is done.
[0007]
According to the second aspect of the present invention, a mowing frame 12 is provided on the front side of the traveling body so as to be able to move up and down, and a front transmission case 12c is provided on the front side of the mowing frame 12. The left and right moving transmission cases 16, 16 are set up from both left and right ends of the front transmission case 12c, and the left and right transfer transmission cases 24, 24 are directed toward the center from the lower part of the left and right moving transmission cases 16, 16. Extending below the left and right transport transmission cases 24, 24, there are provided left and right root transport devices 27, 27 each comprising a chain-type transport endless belt below the center end, and the left and right transport transmission cases 24, 24 are provided. The left and right scraping and conveying devices 34 and 34, which are endless belts with lugs, are provided above the end near the center, and the front transmission case 12c, the left and right moving transmission cases 16, 16 and the left and right conveyance transmission case 24 are provided. , 24 interior It was via a transmission device characterized by being configured to transmit power to the left and right base conveyor device 27, 27 and the left and right scraping conveyor device 34.
[0008]
According to the said structure, the front transmission part 12c along the left-right direction in which the transmission shaft was installed is provided in the front side part of the mowing frame 12 provided in the front side part of the traveling body so that it can freely move up and down. The left and right moving transmission cases 16, 16 raised from both left and right end portions of the transmission case 12 c are provided with left and right grain culm moving devices 20, 20, respectively. The front transmission case 12 c and the left and right moving transmission case 16 are provided. , 16 are transmitted to the left and right grain stem moving devices 20, 20. Also, below the left and right transfer transmission cases 24, 24 extending toward the center from the lower portions of the left and right moving transmission cases 16, 16 are the left and right endless belts of the chain-type transfer endless belt. Root transport devices 27, 27 are provided, and left and right scraping transport devices 34, 34 of a rugged endless belt with a lug are provided above the ends near the center of the left and right transport transmission cases 24, 24. , The left and right root transfer devices 27, 2 and the left and right clutches via transmission devices provided inside the front transmission case 12c, the left and right moving transmission cases 16, 16 and the left and right conveyance transmission cases 24, 24. Power is transmitted to the transfer devices 34 and 34.
[0009]
According to the invention of claim 3, a mowing frame 12 is provided on the front side of the traveling body so as to be able to move up and down, and a front transmission case 12c along the left and right direction, in which a transmission shaft is provided, is provided at the front side of the mowing frame 12. The left and right moving transmission cases 16, 16 are set up from both left and right ends of the front transmission case 12c, and the left and right transfer transmission cases 24, 24 are directed toward the center from the lower part of the left and right moving transmission cases 16, 16. The left and right transport transmission cases 24, 24 are provided with left and right root transport devices 27, 27 each composed of a chain-type endless belt below the center end portions of the lower and right transport transmission cases 24, 24, and the left and right scraping devices are provided below them. Wheels 39, 39 are provided, and left and right scraping transfer devices 34, 34 each formed of an endless band with a lug are provided above an end near the center of the left and right transfer transmission cases 24, 24, and the front transmission case 12c, Left and right moving drive The right and left root transfer devices 27, 27, the left and right rake transfer devices 34, 34 and the left and right rakes via transmissions 16 and 16 and transmission devices provided in the left and right transfer transmission cases 24 and 24. It is characterized in that the wheels 39, 39 are configured to be driven.
[0010]
According to the said structure, the front transmission part 12c along the left-right direction in which the transmission shaft was installed is provided in the front side part of the mowing frame 12 provided in the front side part of the traveling body so that it can freely move up and down. The left and right moving transmission cases 16, 16 raised from both left and right end portions of the transmission case 12 c are provided with left and right grain culm moving devices 20, 20, respectively. The front transmission case 12 c and the left and right moving transmission case 16 are provided. , 16 are transmitted to the left and right grain stem moving devices 20, 20. Also, below the left and right transfer transmission cases 24, 24 extending toward the center from the lower portions of the left and right moving transmission cases 16, 16 are the left and right endless belts of the chain-type transfer endless belt. Root conveyors 27, 27 are provided, and left and right scraping wheels 39, 39 are provided below the left and right root conveyors 27, 27. Above the part, there are provided left and right rubbed endless belt transfer devices 34, 34 with a rugged endless belt. The front transmission case 12c, the left and right moving transmission cases 16, 16 and the left and right conveyance transmission case 24 are provided. Power is transmitted to the left and right root transfer devices 27, 27, the left and right scraping wheels 39, 39, and the left and right scrape transfer devices 34, 34 via a transmission device provided inside the, 24. You.
[0011]
【The invention's effect】
According to the first aspect of the present invention, a front transmission case 12c is provided on a front side portion of a mowing frame 12 provided on a front side portion of the traveling body so as to be able to move up and down. Left and right transport cases 24, 24 extending from the left and right moving transmission cases 16, 16 rising from the left and right sides of the case 12c toward the center. Since the devices 27 and 27 are provided, the support configuration and the transmission configuration of the left and right root conveying devices 27 and 27 can be simplified.
[0012]
According to a second aspect of the present invention, a front transmission case 12c is provided on the front side of the mowing frame 12 provided on the front side of the traveling body so as to be able to move up and down. Left and right transfer transmission cases 24 extending from the left and right moving transmission cases 16, 16 rising from both left and right sides of the case 12 c toward the center. Since the root conveying devices 27, 27 are provided, a space can be formed below the left and right root conveying devices 27, 27, and clogging of the left and right conveying transmission cases 24, 24 with straw waste can be reduced. The culm can be transported smoothly.
[0013]
According to a third aspect of the present invention, a front transmission case 12c is provided on the front side of the mowing frame 12 provided on the front side of the traveling body so as to be able to move up and down. Left and right transfer transmission cases 24 extending from the left and right moving transmission cases 16 and 16 rising from both right and left sides of the case 12c toward the center. Since the scraping transfer devices 34, 34 are provided, and the left and right root transfer devices 27, 27 and the left and right scraping wheels 39, 39 are provided below the left and right transfer transmission cases 24, 24, It is possible to reduce clogging and improve the performance of scraping and transporting grain culm.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention shown in the drawings will be described.
First, the overall configuration of the combine will be described with reference to FIGS. The traveling vehicle body 1 of the combine travels by the crawler traveling devices 2 and 2, and a cockpit 3, a threshing unit 4, a Glen tank 5, a drainage processing device 6, and the like are mounted on the traveling vehicle body 1, and are provided in front of the threshing unit 4. Is provided with a reaping and conveying section 7 which rotates up and down around a rear fulcrum.
[0015]
Thus, the planted grain culm is raised by the grain culm moving device of the harvesting and transporting unit 7 and cut by the cutting blade device, and the harvested grain culm is squeezed and transported and is transferred to the rear grain culm transporting device 10 and lifted. It is transported upward and supplied to the feed chain 11 of the threshing unit 4. Next, the cereals sent into the handling room by the feed chain 11 are threshed by rotation of the handling drum (not shown), and the grains and straw wastes that have passed through the receiving net are dropped and supplied to a swing sorting shelf (not shown). Then, while being separated into grains and straw debris by the sieving action of the swinging sorting shelf, it moves to a lower sorting air passage (not shown) and can be wind-selected. The grains selected by wind are fried and stored in the Glen tank 5 by the first fryer (not shown). In addition, the straw waste that has flowed to the end side of the sorting wind path is discharged outside the machine from the rear part of the threshing unit 4, and the threshed waste conveyed backward by the feed chain 11 is discharged by the waste treatment device 6. For example, it is shredded and discharged outside the machine.
[0016]
Next, the reaper transport section 7 will be described with reference to FIGS.
The reaping frame 12 is provided so as to extend in the left-right direction at a front end of the vertical transmission case 12a, a power input case 12b provided at a rear end of the vertical transmission case 12a, and a front end of the vertical transmission case 12a. Power is transmitted from an engine (not shown) to a reaping input shaft 13 which is constituted by a front transmission case 12c and is mounted in the power input case 12b. Also, a cutting vertical transmission shaft 14 and a cutting horizontal transmission shaft 15 are respectively mounted in the vertical transmission case 12a and the front transmission case 12c, and the power transmitted to the cutting input shaft 13 is cut via a bevel gear. It is configured to be transmitted to the vertical transmission shaft 14 and then to the cutting horizontal transmission shaft 15 via a bevel gear.
[0017]
The left and right moving transmission cases 16, 16 are raised from both left and right sides of the front transmission case 12c of the mowing frame 12, and the upper portions of the left and right moving transmission cases 16, 16 are bent inward. Left and right moving transmission shafts 17 and 17 are provided in the left and right moving transmission cases 16 and 16, and the left and right moving transmission shafts 17 and 17 are provided from both ends of the cutting horizontal transmission shaft 15 via bevel gears. It is configured to transmit power. Further, a central moving transmission case 18 extends from an intermediate portion of the front transmission case 12c. The center moving transmission case 18 has a lower side protruding forward, and then has an upper portion extending obliquely rearward and obliquely upward to be bent in a side view. A central moving transmission shaft 19 is provided in the central moving transmission case 18 so as to transmit power to the central moving transmission shaft 19 from a middle part on the right side of the cutting horizontal transmission shaft 15 via a group of bevel gears.
[0018]
At the upper ends of the left and right moving transmission cases 16 and 16 and the central moving transmission case 18, left and right cereal culm moving devices 20 and 20 and a central cereal culm moving device 21 which are steeply inclined obliquely rearward, respectively. Attached. Also, the left and right weeding rods 21 and 21 project forward from both sides of the front transmission case 12c, and the center weeding rods 22 and 22 project forward from the lower part of the central moving transmission case 18, and these weeding rods 21 and 21 are projected. , 22 and 22 are attached with weeding guide bodies 23. The left and right grain culm moving devices 20 and 20 and the central grain culm moving device 21 are arranged at predetermined intervals above and inside the left and right weeding rods 21 and 21, respectively. The cereal stems caused by the 22 weeding guide bodies 23,... Are guided to the front of the lower ends of the left and right cereal stem moving devices 20, 20 and the central cereal stem moving device 21.
[0019]
The left and right grain culm moving devices 20 and 20 and the central grain culm moving device 21 are composed of a cereal culm moving case and a moving chain (not shown) that is wound around the cereal culm moving case so as to rotate. And left and right moving transmission shafts 17 and 17 in the left and right moving transmission cases 16 and 16 and the central moving transmission case 18 and the center moving transmission. Power is transmitted to a moving chain (not shown) via a shaft 19.
[0020]
Also, the left and right transfer transmission cases 24, 24 project from the lower portions of the left and right transfer transfer cases 16, 16 obliquely forward toward the center toward the center. Left and right transfer transmissions 25, 25 each including a bevel gear, a worm, and a worm wheel are provided, and power is transmitted to left and right transfer shafts 26, 26 at the distal ends of the left and right transfer transmission cases 24, 24.
[0021]
Left and right base transfer devices 27, 27 are provided below the left and right transfer transmission cases 24, 24 so as to extend obliquely rearward toward the center. It is configured such that the start end side of the transport section is formed in a C shape in plan view and the rear side is narrowed. The left and right root conveyors 27, 27 are mounted on a drive sprocket 27a mounted on the left and right transmission shafts 26, 26, a chain rail 27b, a floating sprocket 27c mounted on the chain rail 27b, and a tension arm 27d. Tension sprocket 27e, a spring 27f, and a chain-type transport endless belt 27g.
[0022]
In configuring the left root conveying device 27, as shown in FIG. 8, the front side of the left chain rail 27b extends obliquely rearward from the left toward the center, and the rear side extends from the center to the left. It extends obliquely rearward, and a floating sprocket 27c is shaft-mounted on the rear end thereof (or the rear end is formed in an arc shape), and the transport unit is configured to bend from the middle.
[0023]
The tension arm 27d is bent in an L-shape and is configured to pivotally support an intermediate bending portion of the tension arm 27d via a shaft that pivotally supports the floating sprocket 27c. Accordingly, while the configuration of the floating sprocket 27c and the tension arm 27d is shared to simplify the configuration, the tension adjustment allowance of the transport endless belt 27g can be increased to enhance the tension effect, and the tension arm 27d can be moved to the left. It can be arranged outside to facilitate the adjustment operation of the adjustment bolt 28.
[0024]
The support frame 29 extends from the left moving transmission case 16, the base side of the support frame 29 extends obliquely rearward toward the center, and the distal end extends obliquely forward toward the center. It is configured in a shape. The intermediate portion of the chain rail 27b is attached to the tip of the support frame 29 via a bracket. Thus, as shown in FIG. 8, the left transport transmission case 24, the support frame 29, and the chain rail 27b form a quadrilateral in plan view, and a space 31 is formed in the center thereof. Therefore, while increasing the strength of the right chain rail 27b, it is possible to prevent the waste from dropping from the space 31 and prevent clogging. In addition, the support frame 29 can support the middle part of the chain rail 27b, thereby simplifying the configuration.
[0025]
As shown in FIG. 8, the left transport transmission case 24, the support frame 29, and the chain rail 27b form a quadrilateral shape, and the left transport transmission case 24 and the front end of the support frame 29 are connected by a stay 32. Accordingly, it is possible to prevent the chain rail 27b from bending, prevent the chain-type transfer endless band 27g from bending, and stabilize the transfer performance.
[0026]
As shown in FIG. 8, the left root transfer device 27 is configured by winding a transfer endless belt 27g around a front drive sprocket 27a, a rear floating sprocket 27c, and a tension sprocket 27e. The tension sprocket 27e is 27d, and is elastically supported by an adjustment bolt 28 and a spring 27f.
[0027]
As shown in FIG. 9, a cover 33 is attached to the support frame 29 extending from the left transfer transmission case 24, and the cover 33 covers the upper part of the spring 27f. Then, the cover 33 is bent downward from the center to the left and right sides so as to incline, and the straw is guided to the left and right sides of the cover 33 to be dropped, thereby preventing the spring 27f from being caught by the spring.
[0028]
As shown in FIG. 10, drive sprockets 27a, 27a are attached to the left and right transmission shafts 26, 26 below the left and right transport transmission cases 24, 24, and the left and right root transport devices 27, 26 are mounted. It is configured to drive 27 transport endless belts 27g, 27g.
[0029]
As shown in FIG. 10, left and right transmission shafts 26 are vertically supported on the inner ends of the left and right transfer transmission cases 24, 24. , Left and right scraping wheels 39, 39 are mounted below the left and right root transfer devices 27, 27.
[0030]
As described above, the left and right transfer transmission cases 16 and 16 extend the left and right transfer transmission cases 24 and 24 toward the front center, and the left and right transfer transmission cases 24 and 24 are positioned below the left and right transfer transmission cases 24 and 24. Since the right root conveying devices 27, 27 are arranged in a hanging manner, a wide space can be formed below the left and right root conveying devices 27, 27, the stagnation of straw wastes is reduced, and the transportation of grain stems is smooth. Can be performed.
[0031]
Left and right scraping transfer devices 34, 34 are provided above the left and right root transfer devices 27, 27 of the left and right transfer transmission cases 24, 24. The left / right rake transfer devices 34, 34 include a left / right drive pulley 34a attached to the left / right transmission shafts 26, 26, and a rake provided with base portions attached to the left / right transmission shafts 26, 26. The frame 34b, the left and right pulleys 34c pivotally supported at the distal end of the raking frame 34b, the lug raking belts 34d, 34d wound around the left and right driving pulleys 34a, and the left and right pulleys 34c, 34c. It consists of.
[0032]
Then, the base sides of the left and right scraping transfer devices 34, 34 are arranged above the front portions of the transfer portions of the left and right root transfer devices 27, 27, and the front sides are obliquely frontward with the left and right sides directed toward both sides. And the rugs of the bevels 34d, 34d act on the roots of the grain stalks to collect the grain stalks from the left and right sides toward the center, and squeeze and transport them to the start ends of the left and right root transfer devices 27, 27. It is configured to
[0033]
As shown in FIG. 4, stays 35, 35 are extended from the left and right weeding rods 21, 21 extending forward from both sides of the front transmission case 12c toward the rear toward the center. The leading ends of the left and right scraping transfer devices 34, 34 support the leading ends of the scraping frames 34b, 34b at the leading ends of the 35, 35.
[0034]
As shown in FIGS. 7 and 9, a stay 36 extends from the left moving transmission case 16 to the left and diagonally rearward, and the stay 36 has an adjustment bolt 28 for adjusting the tension sprocket 27 e in the left scraping transfer device 34. I support. The stay 36 supports the rear side of the left cutting side cover 37, and the front side of the left cutting side cover 37 is attached to the case of the left culm moving device 20.
[0035]
Also, as shown in FIG. 4, the rear side of the right cutting side cover 37 extends from the right moving transmission case 16 toward the right rear side and is attached to a stay 38, and the front side of the right cutting side cover 37 is moved to the right side. It is attached to the weeding rod 21 with bolts and nuts.
Since the left cutting side cover 37 is attached by using the stay 36 which supports the adjusting bolt 28 for adjusting the tension sprocket 27e of the left root conveying device 27, the support structure of the left cutting side cover 37 is not necessary. It can be simplified. Further, in a state in which the left mowing side cover 37 is supported by the stay 36, the supporting strength of the stay 36 is increased, and the tension of the tension sprocket 27e of the left root conveying device 27 can be reliably swaged.
[0036]
As shown in FIGS. 10 and 11, left and right transfer transmission cases 24, 24 are mounted on left and right transfer transmission shafts 26, 26 which are mounted on the distal ends of the left and right transfer transmission cases 24, 24. The left and right scraping wheels 39, 39 and the driving sprockets 27a, 27a are provided below and are connected by bolts and nuts so as to rotate integrally. The left and right drive pulleys 34a, 34a of the left and right rake transfer devices 34, 34 are provided above the transmission cases 24, 24, and are provided between the left and right drive pulleys 34a, 34a and the drive sprockets 27a, 27a. Alternatively, the winding prevention collars 40, 40 may be provided.
[0037]
With such a configuration, the left / right transfer shafts 26, 26 of the left / right transfer transmission cases 24, 24 drive the left / right scraping transfer devices 34, 34 and the left / right root transfer devices 27, 27. However, the winding prevention collars 40, 40 can reduce the amount of straw waste wound around the left and right transmission shafts 26, 26 and protect the left and right transport transmission cases 24, 24. Even if the left and right transfer transmission cases 24, 24 are made of aluminum, wear can be prevented and durability can be increased.
[0038]
At the rear of the reaping and conveying section 7, a cereal culm conveying device 10 and an ear tip conveying device 63 are provided, and the cereal culm conveyed to the center from both left and right sides by the left and right root conveying devices 27, 27 is transferred to the cereal culm conveying device 10 and the ear tip. It is configured to be transferred to the transfer device 63 and transferred to the threshing unit 4. The grain culm transport device 10 and the ear tip transport device 63 are configured to be rotatable in the rear part up and down and left and right, and are configured to be supplied to the threshing unit 4 at the rear of the fuselage so that the grain culm can be supplied with adjustable depth. are doing. Then, as shown in FIG. 12, the front ends of the grain culm transport device 10 and the ear tip transport device 63 are extended so as to approach the rear side of the central grain culm moving device 21, and are attached to the front end portion of the ear tip transport device 63. The tip scraping wheel 65 is arranged so as to face, and is driven by a motor (not shown). On the rear side of the moving case of the central cereal stem moving device 21, a deformed triangular tip guide plate 41 is provided so as to protrude rearward from the middle part in the vertical direction to the upper part in plan view.
[0039]
Thus, the grain culm tip caused by the left grain culm moving device 20 and the central grain culm moving device 21 is guided rearward by the tip rake wheel 65 and the left side surface of the tip guide plate 41, and the spike transport device 63 The spike portion of the cereal stem caused by the right cereal stem moving device 20 is guided to the right side of the spike guide plate 41 and merges with the start end of the spike transport device 63. At the middle of the transfer device 63, they are merged and transferred to the terminal side.
[0040]
Therefore, the spike portion of the grain stem caused by the left and right grain stem moving devices 20 and 20 and the central grain stem moving device 21 is smoothly transferred to the spike conveying device 63 and the spike scraping wheel 65 via the spike guide plate 41. In addition, it is possible to prevent short stalks from spilling and improve the scraping and conveying performance.
[0041]
A left guide rod 42 made of an elastic material is attached to the left side of the lower rear side of the cereal culm moving case of the central cereal culm moving device 21. Along the right front part of the outer peripheral part. In addition, a central guide rod 43 made of an elastic material is provided on the right side of the lower rear side of the cereal stem moving case of the central cereal stem moving device 21, and this central guide rod 43 is attached to the right root conveying device 27. It is along the middle of transportation.
[0042]
As shown in FIGS. 4 and 13, the support member 44 extends from the frame portion of the central weeding rod 22 toward the left scraping wheel 39, and the left idle rotation scraping is performed at the tip of the support member 44 via a bearing. The wheel 45 is supported, and the squeezing convex portion of the left idler sweeping wheel 45 is engaged with the squeezing convex portion of the right scraping wheel 39, and the left idler wheel 45 is moved through the right scraping wheel 39. It is configured to be driven.
[0043]
At the tip of the support member 44, an auxiliary scraping and conveying device 46 is provided symmetrically in the front-rear straight line with respect to the left and left scraping and conveying device 34 and the left root conveying device 27. The auxiliary scraping and conveying device 46 includes a driving pulley attached to an idler shaft rotating integrally with the left idler scraping wheel 45, a scraping frame having a base portion attached to the idler shaft, It consists of a pulley that is pivotally supported at the tip of the frame, a drive pulley, and a rubbed scraping belt that is wound around the pulley. Thus, the auxiliary scraping transfer device 46 is driven by the left idle rotation scraping wheel 45.
[0044]
Further, as shown in FIG. 4, a floating scraping wheel guide rod 47 made of an elastic material extends rearward from the central weeding rod 22, and a middle portion of the floating scraping wheel guide rod 47 is bent. The rear side portion is arranged along the upper side of the squeezing protrusion of the left idler squeezing wheel 45, and the squeezing wheel guide rod 48 made of an elastic material from the central weeding rod 22 is directed obliquely to the left rearward. The scraping wheel guide rod 48 is extended, and a middle portion thereof is bent, and the rear side portion thereof is arranged above the scraping protrusion of the left scraping wheel 39.
[0045]
Further, the left and right scraping and conveying guide rods 49 and 50 extend from the center weeding rod 22 toward the left and right and rearward, and the front sides of the left and right scraping and conveying guide rods 49 and 50 diagonally toward the left and right sides. And the middle part thereof is bent and the end part extends obliquely rearward with the end part inward, and the end part overlaps the lug of the left scraping transfer device 34 and the auxiliary scraping transfer device 46 in plan view. It is configured so as to face the cereal stem in such a way as to oppose.
[0046]
FIG. 13 will be described. A right root grain culm guide rod (front side) 58 is attached to the center moving transmission case 18 via a bracket, and the right root grain culm guide rod (front side) 58 is transported by the right scraping wheel 39 and the transport section of the right root transport device 27. It is provided facing the start end side. The right root grain culm guide rod (front side) 58 is configured to be bent in an L shape by a start end side portion 58a and an end end side portion 58b, and the front side portion and the start end side portion 58a of the right scraping wheel 39. Is formed so as to be wider toward the front side in a plan view so as to facilitate the reception of the puddled grain culm, and the terminal side portion 58b is resiliently pressed along the intermediate conveying portion of the right root conveying device 27. I have. A right root grain culm guide rod (rear) 59 is attached to the center moving transmission case 18 via a bracket, and the right root grain culm guide rod (rear) 59 is attached to the rear side of the right root grain culm guide rod (front side) 58. , And is elastically pressed against the transfer end of the right root transfer device 27 so as to face the transfer end.
[0047]
A right root grain culm guide rod (front side) 58 is disposed on the transport start end side of the right root transport apparatus 27, and a right root grain culm guide rod (rear) 59 is disposed opposite to the transport end side, each of which is short. Since the grain culm in the transport route is pinched, the guide pinching performance is enhanced, and the shift and spillage of the grain culm can be reduced.
[0048]
As shown in FIG. 14, a support member 44 extends from the central moving transmission case 18 toward the left scraping wheel 39, and a left idle scraping wheel 45 is attached to a tip end of the support member 44 via a bearing 52. And engages the squeezing convex portion of the left idler sweeping wheel 45 with the squeezing convexity of the left sweeping wheel 39 to move the left idler sweeping wheel 45 through the left sweeping wheel 39. It is configured to be driven.
[0049]
A left root grain culm guide rod 54 is attached to the support member 44, and the starting end side of the left root grain culm guide rod 54 is left via the upper portion of the raking protrusion of the left idler raking wheel 45. It extends so as to be pressed against a middle part of the transport section of the root transport device 27. Further, the tip ring portion of the auxiliary grain culm guide rod 55 is fitted and supported on the bearing 52 at the tip of the support member 44, and the auxiliary grain culm guide rod 55 is moved rearward along the rear side of the left root grain culm guide rod 54. The extension of the auxiliary culm guide rod 55 is pressed against the end of the left root conveying device 27. The floating raking wheel guide rod 53 extends to the support member 44 along the base of the raking protrusion of the left floating raking wheel 45, and the terminal end of the floating raking wheel guide rod 53 is conveyed to the left root. The trailing end of the floating raking wheel guide rod 53 is supported on the base of the auxiliary grain culm guide rod 55 by being arranged at a predetermined interval in the intermediate conveyance section of the device 27.
[0050]
With the configuration as described above, it is possible to prevent the grain stalks from being caught in the left idler scraping wheel 45 and smoothly scrape the grain stalks. Grain culm being conveyed can be reliably conveyed by the bent terminal conveying section and conveyed. In addition, since the left root grain culm guide rod 54 and the auxiliary grain culm guide rod 55 are supported via the support member 44 that supports the left idler scraping wheel 45, the support configuration can be simplified.
[0051]
Further, as shown in FIGS. 15 to 17, the support cylinder 56 extends obliquely upward to the right from the lower part of the vertical transmission case 12 a of the mowing frame 12, and at a rear position of the chain rail 27 b of the right root conveying device 27, and The inner peripheral portion of the transfer endless belt 27g is supported by the upper end of the support cylinder 56, and one end of a tension arm 27d is mounted on the support cylinder 56 at a position above the chain rail 27b, and the other end of the tension arm 27d is moved to the right. It extends obliquely forward and is positioned in the middle of the non-transport side of the transport endless belt 27g, and a tension sprocket 27e is attached to the other end of the tension arm 27d. A support portion 57 is provided at the other end of the tension arm 27d at a position outside the tension sprocket 27e, and the tension sprocket 27e is attached to the support portion 57 so as to be adjustable by the adjustment bolt 28 and the spring 27f. May be configured so as to be pressed against.
[0052]
With the above-described configuration, the chain rail 27b is supported by the support cylinder 56 extending from the mowing frame 12 and the right moving transmission case 16, so that the right root conveying device 27 can be made strong. Since the tension arm 27d is mounted on the shaft via the cylinder 56, the configuration can be simplified. In addition, the spring 27f for adjusting the tension sprocket 27e can be located at a position away from the confluence on the terminal side of the left and right root conveying devices 27, 27, so that the debris adheres to the tension sprocket 27e and the spring 27f. And the tension performance can be improved.
[0053]
Thus, when the rotating units of the reaping and conveying unit 7 are driven to move the machine forward, the lodging culm is scooped up at the tip of the weeding guide body 16 of the left and right weeding rods 14, 14 and the center weeding rod 15. The left and right grain culm moving devices 20 and 20 and the central grain culm moving device 21 are guided to the lower ends thereof, and then the cereals are raised by the left and right cereal culm moving devices 20 and 20 and the central cereal culm moving device 21. Is moved along the left and right grain culm moving devices 20, 20 and the central grain culm moving device 21 by the upward movement of the moving rug, and is cut by the cutting blade device 61 (shown in FIG. 1). It is.
[0054]
Next, the root portions of the raised cereal stems are left and right scraping transport devices 34, 34, auxiliary scraping transport device 46, left and right scraping wheels 39, 39, left idle scraping wheel 45 and left and right. Grain culms which are conveyed backward while being collected at the center from both left and right sides by the root conveyance devices 27, 27 and conveyed rearward are collected at the center, and at the end portions of the left and right root conveyance devices 27, 27. It is then taken over by the grain culm conveying device 10 and lifted and conveyed, and is taken over by the feed chain 11 of the threshing unit 4.
[Brief description of the drawings]
FIG. 1 is an overall side view.
FIG. 2 is an overall plan view.
FIG. 3 is an overall front view.
FIG. 4 is a plan view of a main part.
FIG. 5 is a perspective view of a main part.
FIG. 6 is a perspective view showing a transmission path.
FIG. 7 is a side view and a perspective view of a main part.
FIG. 8 is a plan view of a main part.
FIG. 9 is a plan view of a main part.
FIG. 10 is a cut front view of a main part.
FIG. 11 is a plan view of a main part.
FIG. 12 is a cutaway plan view of a main part.
FIG. 13 is a plan view of a main part.
FIG. 14 is a plan view of a main part.
FIG. 15 is a plan view of a main part.
FIG. 16 is a plan view of a main part.
FIG. 17 is a plan view and a cut side view of a main part.
[Explanation of symbols]
1 Running body
2 Crawler traveling device
3 cockpit
4 Threshing section
5 Glen tank
6 Drainage processing equipment
12 Cutting frame
12c front transmission case
16 Left and right moving transmission case
24 Left and right transfer transmission case
27 Left and right root conveyor
34 Left / Right transfer device
39 Left and right scraping wheels

Claims (3)

走行機体の前側部に刈取フレーム12を昇降自在に設け、該刈取フレーム12の前側部に伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、該前伝動ケース12cの左右両端部から左・右引越し伝動ケース16,16を立ち上げ、該左・右引越し伝動ケース16,16の下部から左・右搬送伝動ケース24,24を中央寄りに向けて延出し、該左・右搬送伝動ケース24,24の中央寄り端部には左・右根元搬送装置27,27を設け、前記前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24の内部に設けられた伝動装置を経由して前記左・右根元搬送装置27,27に動力を伝達するように構成したことを特徴とするコンバインの刈取搬送装置。A mowing frame 12 is provided on the front side of the traveling body so as to be able to move up and down. The left and right moving transmission cases 16 and 16 are set up from the section, and the left and right conveying transmission cases 24 and 24 are extended from the lower part of the left and right moving transmission cases 16 and 16 toward the center, and the left and right moving transmission cases 16 and 16 are extended toward the center. Left and right root transfer devices 27, 27 are provided at the center end portions of the transfer transmission cases 24, 24, and the front transmission case 12c, the left and right moving transmission cases 16, 16, and the left and right transfer transmission cases 24, 24 are provided. Characterized in that power is transmitted to the left and right root conveying devices 27, 27 via a transmission device provided inside the combine harvesting and conveying device. 走行機体の前側部に刈取フレーム12を昇降自在に設け、該刈取フレーム12の前側部に伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、該前伝動ケース12cの左右両端部から左・右引越し伝動ケース16,16を立ち上げ、該左・右引越し伝動ケース16,16の下部から左・右搬送伝動ケース24,24を中央寄りに向けて延出し、該左・右搬送伝動ケース24,24の中央寄り端部下方にはチエン型搬送無端帯からなる左・右根元搬送装置27,27を設け、前記左・右搬送伝動ケース24,24の中央寄り端部上方にはラグ付無端帯からなる左・右掻込搬送装置34,34を設け、前記前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24に内装した伝動装置を経由して前記左・右根元搬送装置27,27及び左・右掻込搬送装置34,34に動力を伝達するように構成したことを特徴とするコンバインの刈取搬送装置。A mowing frame 12 is provided on the front side of the traveling body so as to be able to move up and down, and a front transmitting case 12c is provided on the front side of the mowing frame 12 along which a transmission shaft is installed. The left and right ends of the front transmitting case 12c are provided. The left and right moving transmission cases 16 and 16 are set up from the section, and the left and right conveying transmission cases 24 and 24 are extended from the lower part of the left and right moving transmission cases 16 and 16 toward the center, and the left and right moving transmission cases 16 and 16 are extended toward the center. Left and right root conveying devices 27, 27 each comprising a chain-type endless belt are provided below the center end portions of the transfer transmission cases 24, 24, and above the center end portions of the left and right transfer transmission cases 24, 24. Are provided with left and right squeeze transfer devices 34, 34 each formed of an endless belt with lugs, and transmission devices provided in the front transmission case 12c, the left and right transfer transmission cases 16, 16, and the left and right transfer transmission cases 24, 24. Via Combine, characterized by being configured to transmit power to the left and right base conveyor device 27, 27 and the left and right scraping conveying device 34 Te cutting conveying device. 走行機体の前側部に刈取フレーム12を昇降自在に設け、該刈取フレーム12の前側部に伝動軸の内装されている左右方向に沿った前伝動ケース12cを設け、該前伝動ケース12cの左右両端部から左・右引越し伝動ケース16,16を立ち上げ、該左・右引越し伝動ケース16,16の下部から左・右搬送伝動ケース24,24を中央寄りに向けて延出し、該左・右搬送伝動ケース24,24の中央寄り端部下方には、チエン型搬送無端帯からなる左・右根元搬送装置27,27を設けると共に、その下方に左・右掻込ホイール39,39を設け、該左・右搬送伝動ケース24,24の中央寄り端部上方にはラグ付無端帯からなる左・右掻込搬送装置34,34を設け、前記前伝動ケース12c、左・右引越し伝動ケース16,16及び左・右搬送伝動ケース24,24に内装した伝動装置を経由して前記左・右根元搬送装置27,27、左・右掻込搬送装置34,34及び左・右掻込ホイール39,39を駆動するように構成したことを特徴とするコンバインの刈取搬送装置。A mowing frame 12 is provided on the front side of the traveling body so as to be able to move up and down. The left and right moving transmission cases 16 and 16 are set up from the section, and the left and right conveying transmission cases 24 and 24 are extended from the lower part of the left and right moving transmission cases 16 and 16 toward the center, and the left and right moving transmission cases 16 and 16 are extended toward the center. Left and right root transfer devices 27, 27 each composed of a chain-type endless belt are provided below the end portions near the center of the transfer transmission cases 24, 24, and left and right scraping wheels 39, 39 are provided thereunder. Above the ends near the center of the left and right transfer transmission cases 24, 24, left and right scraping transfer devices 34, 34 each composed of an endless band with a lug are provided, and the front transmission case 12c, the left and right transfer transmission case 16 are provided. , 16 and -The left and right root transfer devices 27, 27, the left and right scraping transfer devices 34, 34, and the left and right scraping wheels 39, 39 are driven via the transmission devices provided in the right transfer transmission cases 24, 24. And a combine harvester and transport device.
JP2003147848A 2003-05-26 2003-05-26 Combine harvester conveyor Expired - Fee Related JP4218419B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007228805A (en) * 2006-02-27 2007-09-13 Iseki & Co Ltd Combine harvester
JP2022100104A (en) * 2020-12-23 2022-07-05 株式会社クボタ Combine-harvester

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007228805A (en) * 2006-02-27 2007-09-13 Iseki & Co Ltd Combine harvester
JP2022100104A (en) * 2020-12-23 2022-07-05 株式会社クボタ Combine-harvester
JP7442434B2 (en) 2020-12-23 2024-03-04 株式会社クボタ combine

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