【０００１】
【産業上の利用分野】
本発明は、コンバインの引継搬送装置に係るものである。
【０００２】
【従来技術】
従来、複数の分草体および引起装置の後側に刈刃を設け、刈刃の後側に左右の前記分草体からの複数の搬送通路を通る穀稈を夫々搬送する根元搬送装置を設けて刈取部を構成し、前記各根元搬送装置の終端に、脱穀装置に穀稈を供給する穀稈供給搬送装置の始端部に穀稈を引き継ぐ引継搬送装置の始端部を臨ませ、この引継搬送装置の始端部に縦軸回転の掻込体を設けた構成は、公知である（例えば、特許文献１参照）。
。
【０００３】
【特許文献１】
特開平９−１６８３２５号公報（段落［０００７］、図２参照）
【０００４】
【発明が解決しようとする課題】
前記公知のものは、穂先引継搬送装置の始端部に掻込体を設け、株元引継搬送装置の始端部は掻込体の噛み合い部より搬送方向下手側に位置しているので、掻込体により掻込まれた穀稈の株元引継搬送装置による引継が円滑でないという課題がある。
本願は、刈取部の搬送装置と引継搬送装置との引継の確実性を向上させたものである。
【０００５】
【発明の目的】
穀稈の搬送・供給・引継の確実化。
【０００６】
【課題を解決するための手段】
本発明は、複数の分草体１０および引起装置１１の後側に刈刃１５を設け、該刈刃１５の後側に左右の前記分草体１０からの複数の搬送通路Ｈを通る穀稈を夫々搬送する根元搬送装置１４を設けて刈取部５を構成し、前記各根元搬送装置１４の終端に、脱穀装置３に穀稈を供給する穀稈供給搬送装置３０の始端部に穀稈を引き継ぐ株元引継搬送装置３１の始端部を臨ませたコンバインにおいて、前記各根元搬送装置１４が搬送する複数の搬送通路が合流する合流部近傍に、縦軸回転の一対の穀稈掻込体５０の掻込爪５２と穀稈掻込体５１の掻込爪５３との噛合部５４を設け、前記株元引継搬送装置３１は引継搬送チエン３３と引継挾扼杆３４とにより構成し、前記引継挾扼杆３４の始端部は、前記噛合部５４よりも搬送上手側に位置させたコンバインの引継搬送装置としたものであり、走行装置２により前進すると、各分草体１０により分草し、分草体１０により分草された穀稈は引起装置１１により引起され、スターホイル１３により後方に掻込まれ、刈刃１５により切断され、切断された穀稈は各根元搬送装置１４により搬送通路を搬送される。
根元搬送装置１４の終端まで搬送された穀稈は合流して株元引継搬送装置３１と穂先引継搬送装置３２に引継がれて引継搬送通路を搬送され、株元引継搬送装置３１と穂先引継搬送装置３２により搬送された穀稈は脱穀装置３に穀稈を供給する穀稈供給搬送装置３０に引継がれ、脱穀される。
そして、根元搬送装置１４により搬送通路まで搬送され、株元引継搬送装置３１と穂先引継搬送装置３２に引継がれて引継搬送通路に合流する穀稈は、穀稈掻込体５０と穀稈掻込体５１により掻き込まれる前に、株元引継搬送装置３１の引継挾扼杆３４により案内され、搬送姿勢が安定し、稈こぼれが防止されて、引継が良好になる。
本発明は、複数の分草体１０および引起装置１１の後側に刈刃１５を設け、該刈刃１５の後側に左右の前記分草体１０からの複数の搬送通路Ｈを通る穀稈を夫々搬送する根元搬送装置１４を設けて刈取部５を構成し、前記各根元搬送装置１４の終端に、脱穀装置３に穀稈を供給する穀稈供給搬送装置３０の始端部に穀稈を引き継ぐ株元引継搬送装置３１の始端部を臨ませたコンバインにおいて、前記各根元搬送装置１４が搬送する複数の搬送通路が合流する合流部近傍に、縦軸回転の一対の穀稈掻込体５０の掻込爪５２と穀稈掻込体５１の掻込爪５３との噛合部５４を設け、前記株元引継搬送装置３１の上方には穂先引継搬送装置３２を設け、前記穂先引継搬送装置３２のケースフレーム４５は、その搬送通路側の形状を、前記駆動穀稈掻込体５０を設けた前後中間部分より始端部に至るに従い搬送通路に対して離れて位置するように傾斜して形成したコンバインの引継搬送装置としたものであり、穂先引継搬送装置３２の引継搬送ラグ４９はケースフレーム４５の始端部より駆動穀稈掻込体５０に向かって移動する。この穂先引継搬送装置３２のケースフレーム４５は引継搬送ラグ４９の作用側面の始端側の搬送通路を広くし、これにより、作用域の駆動穀稈掻込体５０の駆動掻込爪５２をケースフレーム４５より搬送通路中心に向かって露出させているので、搬送通路を拡大して駆動穀稈掻込体５０による掻込性能を向上させつつ、駆動穀稈掻込体５０の中心部分の上方はケースフレーム４５により包囲するので駆動穀稈掻込体５０への藁屑の巻き付き、溜りを防止する。
【０００７】
【発明の効果】
請求項１の場合、穂先引継搬送装置３２に合流する穀稈の搬送および掻込を前記噛合部５４よりも搬送上手側に位置する引継挾扼杆３４の始端部で案内でき、搬送姿勢が安定し、稈こぼれを防止できて、引継が良好になる。
請求項２の場合、引継搬送通路を拡大し、引継が良好になる。
【０００８】
【発明の実施の形態】
本発明の実施例を図により説明すると、１は機体フレーム、２は走行装置、３は走行装置２の上方位置に設けた脱穀装置、４は該脱穀装置３の前側一側位置に設けた操縦部、５は前記脱穀装置３および前記操縦部４の前方位置に設けた刈取部である。
刈取部５は、前後方向の縦支持フレーム６の先端に設け、縦支持フレーム６の基部に基部横伝動ケース７を設け、基部横伝動ケース７は前記機体フレーム１の支持台に回動自在に取付ける。縦支持フレーム６の中間部には刈取上下シリンダ９の一端を取付け、刈取上下シリンダ９の他端を機体側に取付け、刈取上下シリンダ９により刈取部５を上下させる。
１０は前記刈取部５に設けた分草体、１１は各分草体１０の後方の引起装置、１２は引起装置１１の後方のラグ式掻込装置、１３はラグ式掻込装置１２の基部側下方位置に設けたスターホイル、１４は左右のスターホイル１３の上方に設けた根元搬送装置、１５は刈刃である。
【０００９】
また、１８は縦支持フレーム６の先端に設けた下部横伝動ケースであり、刈取入力プーリ１９に伝達されたエンジンの回転が縦支持フレーム６内の伝動軸により伝達される。２０は下部横伝動ケース１８の左右側に設けた左右側部伝動ケース、２１は中間伝動ケースであり、前記左右の側部伝動ケース２０および中間伝動ケース２１の夫々に前記引起装置１１の上部を取付けて回転を伝達する。前記左右の側部伝動ケース２０の上下中間部には中間伝動ケース２２の基部を取付け、中間伝動ケース２２の先端に伝動軸２３、２４を設け、伝動軸２３、２４によりスターホイル１３および根元搬送装置１４に回転を伝達している。２５は刈刃１５に回転を伝達する伝達軸である。
左右の根元搬送装置１４の搬送通路の後側には、搬送された穀稈を前記脱穀装置３に供給する穀稈供給搬送装置３０に引継ぐ株元引継搬送装置３１を設ける。株元引継搬送装置３１は、引継搬送チエン３３と引継挾扼杆３４とを有し（なお、図４では引継挾扼杆３４を斜線を付して図示しているが、理解を容易にするためのものであり、これにより構成は限定されない）、引継搬送チエン３３は駆動スプロケット３５と従動スプロケット３６とに掛け回すが、駆動スプロケット３５と従動スプロケット３６は任意の手段により機体側に取付ける。一例を示すと、基部横伝動ケース７に設けた伝動フレーム３７の回転軸３８に前記駆動スプロケット３５を固定し、伝動フレーム３７に設けたフレーム３９に前記従動スプロケット３６を回転軸４０により取付ける。
【００１０】
前記引継挾扼杆３４は、機体側に基部を固定した逆Ｕ型支持フレーム４１の先端に設けた取付台４２に対し弾力的に出入自在に取付け、引継搬送チエン３３に対して遠近に移動して搬送中の穀稈に弾接する。
株元引継搬送装置３１の始端部は、根元搬送装置１４の終端部に側面視重合させ、根元搬送装置１４により搬送された穀稈の受渡しを確実にしている。また、株元引継搬送装置３１は、伝動フレーム３７を基部横伝動ケース７に対して回転自在に取付けることにより、株元引継搬送装置３１の始端部を上下位置調節自在に構成し、扱深さ調節装置として兼用している。
前記株元引継搬送装置３１の上方位置には前記穂先引継搬送装置３２を設ける。穂先引継搬送装置３２は、機体側に取付けたケースフレーム４５に設けた駆動スプロケット４６と、ケースフレーム４５の先端側に設けた従動スプロケット４７とにラグ付き搬送チエン４８を掛け回わし、ラグ付き搬送チエン４８に引継搬送ラグ４９を所定間隔を置いて起伏自在に取付けて構成する。実施例では、ケースフレーム４５は伝動フレーム３７側に取付け、株元引継搬送装置３１の始端部の上下動に連動して穂先引継搬送装置３２の始端部が上下するように構成している。図示は省略するが、ケースフレーム４５には、引継搬送ラグ４９を起立状態に保持する起立ガイドと、引継搬送ラグ４９を格納させるために倒伏させる倒伏ガイドをそれぞれ所定位置に設けている。
【００１１】
しかして、左右に複数並設した分草体１０により分草されて引起装置１１により引起された穀稈は、並行状態のまま刈刃１５により根元が切断され、そのまま複数並設された各分草体１０から続く搬送通路Ｈを根元搬送装置１４により搬送され、この夫々の搬送通路Ｈを搬送された穀稈は合流して、株元引継搬送装置３１と穂先引継搬送装置３２に引継がれる。
この各搬送通路Ｈを通って合流した穀稈が搬送される引継搬送通路Ｇには、一対の穀稈掻込体（スターホイル）５０、５１を設ける。穀稈掻込体５０、５１は、円板形状に形成し、周縁に掻込爪５２、５３を所定間隔を置いて複数夫々形成し、夫々の穀稈掻込体５０、５１の掻込爪５２、５３は互いに噛み合わせ、掻込爪５２と掻込爪５３とが噛み合うことで穀稈を掻き込む。
駆動穀稈掻込体５０は前記回転軸４０の上端に取付ける。回転軸４０の下部は支持部材５５に軸装され、支持部材５５の下部は前記回転軸４０を軸装したフレーム３９に固定し、引継搬送チエン３３の回転が回転軸４０を介して駆動穀稈掻込体５０に伝達されて駆動回転する。
【００１２】
この場合、駆動穀稈掻込体５０の上面には座グリ加工して取付ボルト５６を嵌合させる嵌合凹部５７を形成し、取付ボルト５６を嵌合凹部５７内に嵌合させて取付け、駆動穀稈掻込体５０を取付けたときその上面が平面となるように構成する。これにより取付ボルト５６等に穀稈が巻き付くのを防止し、藁溜りの発生を防止する。
また、駆動穀稈掻込体５０を合成樹脂により形成した場合、中央に肉のぬすみと呼ばれる凹部を形成しないで平面形状に形成し、ぬすみ部分に藁溜りや穀稈の引っ掛かりが発生するのを防止する。
また、従動穀稈掻込体５１は駆動穀稈掻込体５０に噛み合うことで回転し、駆動穀稈掻込体５０に噛合う前記従動穀稈掻込体５１は、取付フレーム５８の先端に軸装し、取付フレーム５８の基部は前記逆Ｕ型支持フレーム４１に設けた取付台４２に取付けている。
この駆動穀稈掻込体５０と従動穀稈掻込体５１の駆動掻込爪５２と従動掻込爪５３の噛合部５４は各搬送通路Ｈが合流する引継搬送通路Ｇに設け、各搬送通路Ｈから搬送された穀稈の合流を円滑にしている。
【００１３】
即ち、駆動穀稈掻込体５０と従動穀稈掻込体５１は複数の搬送通路Ｈが合流する引継搬送通路Ｇの搬送方向の左右両側に夫々位置し、駆動掻込爪５２と従動掻込爪５３が搬送方向上手側から下手側に互いに回転して穀稈を掻き込み、駆動穀稈掻込体５０と従動穀稈掻込体５１は搬送通路Ｈからの合流と引継搬送通路Ｇの搬送の双方に作用し、特に搬送通路Ｈの合流部分での掻き込み作用により穀稈の挟み込みや噛込みなどの不具合を防止し、詰まり発生を防止でき、各搬送通路Ｈからの合流および引継搬送通路Ｇにおける搬送を円滑、確実にする。
この場合、駆動掻込爪５２と従動掻込爪５３の噛合部５４部分は搬送方向の一点ではなく前後に所定長さを有しており、同様に、引継搬送通路Ｇも搬送方向に所定の長さを有しているので、噛合部５４も搬送通路Ｈの合流部分の何れもただの一か所を指すものではなく、所定の長さ（幅あるいは範囲）を有し、この範囲内に噛合部５４を配置することで、搬送通路Ｈから搬送された穀稈の合流を円滑にするようにすればよい。
【００１４】
換言すると、実施例では、左右に根元搬送装置１４を設け、根元搬送装置１４の根元搬送チエン５８が互いに接近する場所が引継搬送通路Ｇの始端部となり、この引継搬送通路Ｇの始端部近傍に噛合部５４を位置させると、左右の搬送通路Ｈからの合流する搬送穀稈を駆動穀稈掻込体５０と従動穀稈掻込体５１により円滑に掻き込んで搬送して、好適である。
なお、図１の根元搬送装置１４は、その左側は根元搬送チエン５９に変えて根元搬送ラグ５９ａに形成し、騒音発生を抑制している。
また、駆動穀稈掻込体５０と従動穀稈掻込体５１の夫々の駆動掻込爪５２と従動掻込爪５３の先端軌跡（搬送上手側）は、引継搬送通路Ｇの始端部あるいは根元搬送装置１４の根元搬送チエン５９（根元搬送ラグ５９ａ）が互いに接近する場所よりも搬送方向上手側に位置するようにすると、一層、根元搬送装置１４による穀稈搬送の受渡が円滑確実になって、搬送（受け渡し）姿勢が安定して良好になり、稈こぼれも抑制防止でき、好適である。即ち、噛合部５４を引継搬送通路Ｇ内に位置させても、駆動掻込爪５２と従動掻込爪５３の先端軌跡は各搬送通路Ｈの終端とラップさせることで、掻き込み性能を向上させられる。
【００１５】
引継搬送通路Ｇの正面から見たとき、穂先引継搬送装置３２の引継搬送ラグ４９が通過する移動路内に駆動穀稈掻込体５０と従動穀稈掻込体５１の噛合部５４を位置させると、搬送姿勢が安定し、稈こぼれを防止できて、好適である。
即ち、引継搬送ラグ４９の作用域の移動路の下方に駆動穀稈掻込体５０と従動穀稈掻込体５１の噛合部５４を位置させることで、穂先搬送中の穀稈の株元が駆動穀稈掻込体５０と従動穀稈掻込体５１により確実に挟持されて、搬送案内（掻込）作用も向上する。
また、引継搬送通路Ｇの正面から見たとき、駆動穀稈掻込体５０と従動穀稈掻込体５１の噛合部５４に対して穂先引継搬送装置３２の引継搬送ラグ４９先端の移動軌跡は、反ケースフレーム４５側に突き出すように位置させると、搬送通路が広くなって搬送姿勢が安定し、穂先側の搬送案内も良好になって、稈こぼれを防止できて、好適である。
【００１６】
また、穂先引継搬送装置３２の引継搬送ラグ４９のピッチに対して駆動穀稈掻込体５０の駆動掻込爪５２および従動穀稈掻込体５１の従動掻込爪５３のピッチを小に構成する。この場合、引継搬送ラグ４９も駆動掻込爪５２も回転軸４０から同じ回転数が伝達されるが、駆動穀稈掻込体５０の駆動掻込爪５２および従動穀稈掻込体５１の従動掻込爪５３のピッチを小にすることで、穀稈に対する各掻込爪５２、５３の接触（掻込）回数が、引継搬送ラグ４９より多くなって、掻込性能が向上し、穀稈の挟持力も向上し、搬送姿勢が安定し、稈こぼれを防止できて、好適である。
しかして、従動穀稈掻込体５１は駆動穀稈掻込体５０よりも大径に形成すると共に、従動穀稈掻込体５１の従動掻込爪５３は駆動掻込爪５２よりも前方に位置させる。
即ち、駆動穀稈掻込体５０と従動穀稈掻込体５１は株元引継搬送装置３１の搬送通路に対しては略交差方向に左右両側に配置されるが、従動穀稈掻込体５１の従動掻込爪５３は駆動掻込爪５２よりも前方に位置させ、従動穀稈掻込体５１を大径に形成することにより、機体進行方向の右側からの穀稈の掻込性能を向上させる。
【００１７】
特に、従動穀稈掻込体５１を大径に形成することにより、機体進行方向の右側の引起装置１１からの穀稈（２条）を掻き込めるから、搬送機構を省略できて、コストダウンと軽量化が図れる。
即ち、従来の刈取部５の構成では、引起装置１１と株元引継搬送装置３１および穂先引継搬送装置３２との間に設けられている根元搬送装置１４の上方に、穂先搬送装置を設けていたが、本願では、左右の根元搬送装置１４の搬送通路の合流部に穀稈掻込体５０と穀稈掻込体５１を設けているので、株元引継搬送装置３１および穂先引継搬送装置３２の始端部を根元搬送装置１４の終端部近傍に配置することで、根元搬送装置１４の上方に穂先搬送装置を設けなくてすみ、その分、引起装置１１と株元引継搬送装置３１および穂先引継搬送装置３２との間隔も短くでき、機体全長を短くできる。
このようにしたときに、従動穀稈掻込体５１を大径に形成することにより、従動穀稈掻込体５１と引起装置１１との間の間隔を一層短くでき、穀稈掻込体５０と穀稈掻込体５１により引起装置１１からの穂先搬送機構を兼用する構成にして、コストダウンと軽量化が図りつつ、搬送も良好にする。
【００１８】
また、駆動穀稈掻込体５０に対して従動穀稈掻込体５１の肉厚（板厚）が厚くなるように構成すると、軸心方向の噛み合い範囲を広くでき、取付および組立てを容易にし、また、従動穀稈掻込体５１の従動掻込爪５３の穀稈に当たる面積が大きくなって、穀稈の損傷を防止でき、好適である。
しかして、駆動穀稈掻込体５０と従動穀稈掻込体５１の内、何れか一方または両方の掻込爪の非作用側は切欠いて切欠後退面部６１を設け、後続の掻込爪の作用面部６２との間に噛み合ったときにも空間部６３を形成するように構成し、掻込爪の噛合部５４における穀稈が掻き込まれる容積（空間）を確保して搬送量の増加に対応できるように構成し、また、穀稈の挟み込みや噛込みなどの不具合を防止し、詰まり発生を防止する。
即ち、搬送通路Ｈから引継搬送通路Ｇに合流して量の増えた穀稈を掻き込みに際して、駆動穀稈掻込体５０と従動穀稈掻込体５１の噛合部５４に空間部６３を形成するので、穀稈の挟み込みや噛込みなどの不具合を防止し、詰まり発生を防止する。
また、駆動掻込爪５２と従動掻込爪５３のうち切欠後退面部６１を設けた掻込爪は、切欠後退面部６１を設けた分面積が減少するので、歯面への藁屑の滞留も減少させられる。
【００１９】
しかして、駆動穀稈掻込体５０および従動穀稈掻込体５１は株元引継搬送装置３１の搬送チエン３３より上方で、穂先引継搬送装置３２の引継搬送ラグ４９より下方の上下中間位置に位置して、株元引継搬送装置３１と穂先引継搬送装置３２により搬送される穀稈の上下中間部分を掻き込むことで、搬送姿勢を良好にしている。
この場合、駆動穀稈掻込体５０は、その少なくとも回転軸４０より非作用側部分が、穂先引継搬送装置３２のケースフレーム４５の下方に位置するように構成する。これにより駆動穀稈掻込体５０への藁屑の巻き付き、溜りを防止し、また、安全面においても効果がある。
しかして、株元引継搬送装置３１の引継挾扼杆３４の始端部は、前記駆動穀稈掻込体５０と従動穀稈掻込体５１との噛合部５４よりも搬送上手側に位置させる。
即ち、搬送通路Ｈからの合流部近傍に駆動穀稈掻込体５０および従動穀稈掻込体５１の噛合部５４を位置させ、株元引継搬送装置３１の引継挾扼杆３４の始端部は噛合部５４よりも搬送上手側に位置させる。
したがって、引継挾扼杆３４は噛合部５４よりも搬送上手側から穀稈を引継搬送チエン３３に案内し、引継を良好にする。
この場合、株元引継搬送装置３１の引継挾扼杆３４の始端部は従動穀稈掻込体５１の下方に位置して噛合部５４へ向けて案内するので、引継を良好にしている。
【００２０】
しかして、前記穂先引継搬送装置３２のケースフレーム４５は、平面視、駆動穀稈掻込体５０を設けた部分よりケースフレーム４５の始端部に至るに従い搬送通路に対して外側（操縦部４側）に位置させる。
即ち、ケースフレーム４５の引継搬送ラグ４９の作用側面が、平面視駆動穀稈掻込体５０を設けた部分を「く」の字形状となるように形成し、搬送通路を拡大し、また、搬送穀稈を引き継ぐときの取り込み角度を拡大させている。
この場合、駆動穀稈掻込体５０の中心を基準にくの字に曲げることにより、作用域の駆動穀稈掻込体５０の駆動掻込爪５２をケースフレーム４５より露出させ、搬送通路を拡大して駆動穀稈掻込体５０による掻込性能を向上させる。また、引起装置１１からの取り込み角度が増して、搬送が一層円滑になる。一方で、駆動穀稈掻込体５０の中心部分の上方はケースフレーム４５により包囲するので駆動穀稈掻込体５０への藁屑の巻き付き、溜りを防止し、また、安全面においても効果がある。
【００２１】
しかして、ケースフレーム４５の上面側にはガイドカバー６５を設け、ガイドカバー６５は株元引継搬送装置３１と穂先引継搬送装置３２の始端部が最高高さに上動したとき、操縦部４の操作パネル６６の一部と重合するように構成する。
即ち、株元引継搬送装置３１の始端部が根元搬送装置１４の終端部に側面視重合していること、また、株元引継搬送装置３１と穂先引継搬送装置３２を取付けた伝動フレーム３７が基部横伝動ケース７に対して回転自在に取付けられ、株元引継搬送装置３１の始端部を上下位置調節自在に構成することで、扱深さ調節装置として兼用しており、そのため、株元引継搬送装置３１の始端部の上下位置調節に連動して穂先引継搬送装置３２の始端部が上動する。
そのため、ガイドカバー６５を操縦部４の操作パネル６６の一部と重合を許容する分、機体を小型にし、しかも、搬送穀稈の穂先が操作パネル６６に寄りかかるのを防止する。
【００２２】
しかして、従動穀稈掻込体５１の上面側には、包囲カバー７０を設ける。包囲カバー７０は前側は従動掻込爪５３を軸装する取付軸７１の軸心方向と略並行に起立する起立壁７２および前記起立壁７２の上側周縁に連設した天板７３とにより形成し、起立壁７２は従動穀稈掻込体５１の前側の従動掻込爪５３の溝底よりも回転中心側に寄った位置に円弧形状に形成すると共に、そのまま従動穀稈掻込体５１の側方の搬送通路側を包囲するように位置し、天板７３の後側は従動穀稈掻込体５１の後部の非作用域まで包囲するようにし、天板７３の裏面を取付フレーム５８に設けたステー７４に当接させて、ボルトで固定している。
したがって、従動穀稈掻込体５１の掻込作用に影響することなく、起立壁７２と天板７３により取付軸７１に穀稈が絡み付くのを防止できる。
この場合、従動穀稈掻込体５１の軸心方向は、駆動穀稈掻込体５０から離れたるに従い低く、且つ、機体の水平方向（線Ｌ）に対しても傾斜させ、これに対応させて天板７３も傾斜させると、天板７３上に藁屑や塵埃等が溜るのを防止でき、好適である。
また、搬送通路側の起立壁７２は搬送通路と略平行に形成しているが、搬送通路の搬送方向上手側が広くなるように傾斜させてもよい。
なお、前記した各実施例は、理解を容易にするために、個別または混在させて、図示あるいは説明しているが、これらは夫々種々組合せ可能であり、これらの表現によって、構成・作用等が限定されるものではなく、また、相乗効果を奏する場合も勿論存在する。
【図面の簡単な説明】
【図１】コンバインの側面図。
【図２】同平面図。
【図３】刈取部のフレームの斜視図。
【図４】引継搬送装置の平面図。
【図５】同背面図。
【図６】刈取部の概略平面図。
【図７】引継搬送装置の背面図。
【図８】刈取部の搬送通路説明図。
【図９】引継搬送装置の回動状態側面図。
【図１０】引継搬送装置の正面図。
【図１１】同平面図。
【図１２】引継搬送装置が上方回動した状態の平面図。
【図１３】引継搬送装置が上方回動した状態の正面図。
【図１４】穀稈掻込体にカバーを設けた実施例の平面図。
【図１５】穀稈掻込体にカバーを設けた実施例の平面図。
【図１６】穀稈掻込体にカバーを設けた実施例の正面図。
【符号の説明】
１…機体、２…走行装置、３…脱穀装置、４…操縦部、５…刈取部、７…基部横伝動ケース、８…支持台、９…刈取上下シリンダ、１０…分草体、１１…引起装置、１２…ラグ式掻込装置、１３…スターホイル、１４…根元搬送装置、１５…刈刃、１８…下部横伝動ケース、１９…刈取入力プーリ、２０…側部伝動ケース、２１…中間伝動ケース、２２…中間伝動ケース、２３…伝動軸、２４…伝動軸、２５…伝達軸、３０…穀稈供給搬送装置、３１…株元引継搬送装置、３２…穂先引継搬送装置、３３…引継搬送チエン、３４…引継挾扼杆、３５…駆動スプロケット、３６…スプロケット、３７…伝動フレーム、３８…回転軸、３９…フレーム、４０…回転軸、４１…逆Ｕ型支持フレーム、４２…取付台、４６…駆動スプロケット、４７…スプロケット、４８…ラグ付き搬送チエン、４９…引継搬送ラグ、５０…穀稈掻込体、５１…穀稈掻込体、５２…掻込爪、５３…掻込爪、５４…噛合部、５５…支持部材、５６…取付ボルト、５７…嵌合凹部、５８…取付フレーム、５９…根元搬送チエン、５９ａ…根元搬送ラグ、６１…切欠後退面部、６２…作用面部、６３…空間部、６５…ガイドカバー、６６…操作パネル、７０…包囲カバー、７１…取付軸、７２…起立壁、７３…天板。[0001]
[Industrial applications]
The present invention relates to a takeover transfer device for a combine.
[0002]
[Prior art]
Conventionally, a cutting blade is provided on the rear side of a plurality of weeds and a raising device, and a root conveying device is provided behind the cutting blade to convey grain stems passing through a plurality of conveying passages from the left and right herbs, respectively. Constituting a part, at the end of each of the root conveyors, facing the start end of the transfer conveyor that takes over the grain culm to the start end of the grain stalk supply conveyor that supplies the cereals to the threshing device, A configuration in which a vertical-axis rotating scraping body is provided at the start end is known (for example, see Patent Document 1).
.
[0003]
[Patent Document 1]
JP-A-9-168325 (paragraph [0007], see FIG. 2)
[0004]
[Problems to be solved by the invention]
In the known device, a scraping body is provided at the start end of the tip takeover transfer device, and the starting end of the stock takeover transfer device is located on the lower side in the transport direction from the engagement portion of the scraped body. There is a problem that the transfer of the grain stalks scraped by the strainer by the stock transfer system is not smooth.
The present application improves the certainty of the transfer between the transfer device and the transfer device of the mowing unit.
[0005]
[Object of the invention]
Ensuring the transportation, supply and transfer of grain culms.
[0006]
[Means for Solving the Problems]
In the present invention, a cutting blade 15 is provided on the rear side of the plurality of weeds 10 and the raising device 11, and the grain stalk passing through the plurality of transport passages H from the left and right weeds 10 is provided on the rear side of the cutting blade 15. A root transporting device 14 for transport is provided to constitute the mowing unit 5, and at the end of each root transporting device 14, a cereal culm is transferred to a starting end of a cereal culm supply transporting device 30 that supplies cereal culm to the threshing device 3. In the combine facing the starting end of the original transfer device 31, near the junction where the plurality of transport passages transported by the respective root transport devices 14 are joined, the pair of grain stem scraping bodies 50 that are rotated in the vertical axis are scraped. An interlocking portion 54 is provided between the catching claw 52 and the raked claw 53 of the grain stalk raking body 51. The stock transfer handover device 31 is constituted by a handover transfer chain 33 and a handover clasping rod 34. The starting end of the rod 34 is located closer to the transport side than the engagement portion 54. When the traveling device 2 moves forward, the vines are weeded by each weed body 10, and the culm stalks weeded by the weed body 10 are raised by the raising device 11 and rearward by the star wheel 13. , And cut by the cutting blade 15, and the cut cereal stem is conveyed through the conveying passage by each root conveying device 14.
The grain culm transported to the end of the root transport device 14 is merged, taken over by the stock takeover transport device 31 and the head takeover transport device 32, and transported through the takeover transport path, and the stock base takeover transport device 31 and the head takeover transport device The cereal stalk transported by the stalk 32 is taken over by the cereal stalk supply and transport device 30 that supplies the cereal stalk to the threshing device 3 and threshed.
The cereal culm which is conveyed to the conveyance passage by the root conveyance device 14 and is taken over by the stock takeover conveyance device 31 and the tip handover conveyance device 32 and merges into the transfer conveyance passage is the grain culm scraping body 50 and the grain culm scraping. Before being scraped by the body 51, it is guided by the take-over pinching rod 34 of the stock take-over transfer device 31, and the transfer posture is stabilized, spilling of the culm is prevented, and the transfer is improved.
In the present invention, a cutting blade 15 is provided on the rear side of the plurality of weeds 10 and the raising device 11, and the grain stalk passing through the plurality of transport passages H from the left and right weeds 10 is provided on the rear side of the cutting blade 15. A root transporting device 14 for transport is provided to constitute the mowing unit 5, and at the end of each root transporting device 14, a cereal culm is transferred to a starting end of a cereal culm supply transporting device 30 that supplies cereal culm to the threshing device 3. In the combine facing the starting end of the original transfer device 31, near the junction where the plurality of transport passages transported by the respective root transport devices 14 are joined, the pair of grain stem scraping bodies 50 that are rotated in the vertical axis are scraped. An engaging portion 54 is provided between the claw 52 and the raking claw 53 of the grain stalk raking body 51, and a head transfer device 32 is provided above the stock transfer device 31. A case of the tip transfer device 32 is provided. The shape of the frame 45 on the side of the conveying passage is squeezed by the driving grain stem. A transfer take-off transfer device of a combine formed so as to be inclined away from the transfer path from the front-rear intermediate portion provided with 50 to the start end portion. Moves from the starting end of the case frame 45 toward the driving grain stem raking body 50. The case frame 45 of the tip transfer device 32 widens the transfer passage on the start end side of the working side surface of the transfer transfer lug 49, whereby the drive scraping claw 52 of the drive grain stem scraping body 50 in the working area is connected to the case frame. Since it is exposed from 45 toward the center of the conveying passage, the conveying passage is enlarged to improve the scraping performance of the driving grain stalk raking body 50, and the upper part of the center portion of the driving grain stalk raking body 50 is a case. Since it is surrounded by the frame 45, it is possible to prevent the swarf from being wound around the driven grain stalk raking body 50 and to be accumulated.
[0007]
【The invention's effect】
In the case of the first aspect, the transfer and scraping of the grain culm that joins the tip transfer device 32 can be guided by the starting end of the transfer clamping rod 34 located on the upper side of the transfer from the engagement portion 54, and the transfer posture is stable. In addition, the culm can be prevented from spilling, and the takeover can be improved.
In the case of claim 2, the takeover transport path is enlarged, and the takeover is improved.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. 1 is an airframe, 2 is a traveling device, 3 is a threshing device provided at a position above the traveling device 2, and 4 is a maneuver provided at one front position of the threshing device 3. Reference numeral 5 denotes a mowing unit provided at a position in front of the threshing device 3 and the control unit 4.
The mowing part 5 is provided at the front end of the vertical support frame 6 in the front-rear direction, and a base horizontal transmission case 7 is provided at the base of the vertical support frame 6, and the base horizontal transmission case 7 is rotatably mounted on the support base of the body frame 1. Attach. One end of a cutting vertical cylinder 9 is attached to an intermediate portion of the vertical support frame 6, the other end of the cutting vertical cylinder 9 is mounted on the machine body side, and the cutting vertical section 9 is moved up and down by the cutting vertical cylinder 9.
Reference numeral 10 denotes a weeding body provided in the cutting unit 5, 11 denotes a raising device behind each weeding body 10, 12 denotes a rag-type scraping device behind the raising device 11, and 13 denotes a lower part of the base of the rag-type scraping device 12. A star wheel provided at the position, 14 is a root conveying device provided above the left and right star wheels 13, and 15 is a cutting blade.
[0009]
Reference numeral 18 denotes a lower horizontal transmission case provided at the tip of the vertical support frame 6. The rotation of the engine transmitted to the cutting input pulley 19 is transmitted by a transmission shaft in the vertical support frame 6. Reference numeral 20 denotes a left and right side transmission case provided on the left and right sides of the lower horizontal transmission case 18, and reference numeral 21 denotes an intermediate transmission case, and the left and right side transmission cases 20 and the intermediate transmission case 21 are provided with the upper part of the raising device 11 respectively. Install and transmit rotation. The base of an intermediate transmission case 22 is attached to the upper and lower intermediate portions of the left and right side transmission cases 20, and transmission shafts 23 and 24 are provided at the end of the intermediate transmission case 22. The rotation is transmitted to the device 14. 25 is a transmission shaft for transmitting rotation to the cutting blade 15.
On the rear side of the transport path of the left and right root transporters 14, a stock transfer carrier device 31 for transferring the transported grain culm to the grain culm supply transport device 30 that supplies the grain culm to the threshing device 3 is provided. The stock transfer handover device 31 has a handover transfer chain 33 and a handover pinching rod 34 (note that the handover pinching rod 34 is shown with diagonal lines in FIG. 4 for easy understanding. The transfer chain 33 is wound around the driving sprocket 35 and the driven sprocket 36, and the driving sprocket 35 and the driven sprocket 36 are attached to the machine body by any means. As an example, the drive sprocket 35 is fixed to a rotation shaft 38 of a transmission frame 37 provided in the base horizontal transmission case 7, and the driven sprocket 36 is mounted to a frame 39 provided in the transmission frame 37 by a rotation shaft 40.
[0010]
The take-over clamping rod 34 is elastically attached to a mount 42 provided at the tip of an inverted U-shaped support frame 41 having a base fixed to the fuselage side, and moves toward and away from the take-over transport chain 33. To make contact with the grain during transport.
The starting end of the stock transfer device 31 is overlapped with the terminal portion of the root transfer device 14 in a side view to ensure the delivery of the cereal stems transferred by the root transfer device 14. In addition, the stock transfer device 31 is configured such that the transmission frame 37 is rotatably mounted on the base horizontal transmission case 7 so that the starting end of the stock transfer device 31 can be adjusted vertically so that the handling depth can be adjusted. Also serves as an adjustment device.
The tip takeover transport device 32 is provided above the stock source takeover transport device 31. The tip takeover transport device 32 is configured to hang a transport chain 48 with lugs around a drive sprocket 46 provided on a case frame 45 attached to the machine body side and a driven sprocket 47 provided on the distal end side of the case frame 45 to transport the lugs. A transfer lug 49 is attached to the chain 48 at predetermined intervals so as to be able to undulate. In the embodiment, the case frame 45 is mounted on the transmission frame 37 side, and the start end of the tip takeover transfer device 32 moves up and down in conjunction with the vertical movement of the start end of the stock transfer device 31. Although not shown, the case frame 45 is provided with a standing guide that holds the take-over transport lug 49 in an upright state and a fall-down guide that falls down to store the take-over transport lug 49 at predetermined positions.
[0011]
Thus, the roots of the grain stalks that have been weeded by the plurality of weed bodies 10 arranged side by side and raised by the raising device 11 are cut off by the cutting blade 15 in a parallel state, and the plurality of weed bodies arranged side by side as it is The grain culm conveyed in the conveying path H continuing from 10 by the root conveying apparatus 14 and conveyed in the respective conveying paths H is merged and taken over by the stock takeover conveying apparatus 31 and the tip handover conveying apparatus 32.
A pair of grain stalk scraping bodies (star wheels) 50 and 51 are provided in the transfer conveyance path G where the culms joined through the respective conveyance paths H are conveyed. The grain stalk scraping bodies 50 and 51 are formed in a disk shape, and a plurality of scraping claws 52 and 53 are formed on the periphery at predetermined intervals, respectively. 52 and 53 are engaged with each other, and the raked nails 52 and 53 are engaged with each other to rake the grain stem.
The driven grain stem scraping body 50 is attached to the upper end of the rotating shaft 40. The lower portion of the rotating shaft 40 is mounted on a support member 55, and the lower portion of the supporting member 55 is fixed to a frame 39 on which the rotating shaft 40 is mounted. It is transmitted to the scraping body 50 and is driven to rotate.
[0012]
In this case, a fitting recess 57 is formed on the upper surface of the driving grain stem scraping body 50 by counterboring to fit the mounting bolt 56, and the mounting bolt 56 is fitted into the fitting recess 57 for mounting. When the drive grain stem scraping body 50 is attached, the upper surface thereof is configured to be flat. This prevents the cereal stem from being wound around the mounting bolts 56 and the like, and prevents the occurrence of straw accumulation.
Further, when the driving grain stem scraping body 50 is formed of a synthetic resin, it is formed in a planar shape without forming a concave portion called a meat sneak in the center, and it is possible to prevent a straw pool and a grain stalk from being caught in a sunk portion. To prevent.
Further, the driven grain stalk scraping body 51 rotates by meshing with the driving grain stalk scraping body 50, and the driven grain stalk scraping body 51 meshing with the driving grain stalk scraping body 50 is attached to the tip of the mounting frame 58. The base of the mounting frame 58 is mounted on a mounting table 42 provided on the inverted U-shaped support frame 41.
The meshing portion 54 of the driven stalk scraping body 50 and the driven stalk claw 53 of the driven stalk squeezing body 51 and the driven stalk claw 53 is provided in the transfer conveyance path G where the respective conveyance paths H join. The convergence of the cereal stems transported from H is smooth.
[0013]
In other words, the driven grain squeezed body 50 and the driven grain squeezed body 51 are respectively located on the left and right sides in the transport direction of the takeover transport path G where the plurality of transport paths H join, and the drive rake claw 52 and the driven scrape 52 are driven. The claws 53 rotate from the upper side to the lower side in the conveying direction to scrape the cereal stems, and the driven cereal stalk scraping body 50 and the driven cereal stalk scraping bodies 51 join from the transport passage H and are transported in the takeover transport passage G. In particular, the scraping action at the confluence of the transport passages H prevents problems such as pinching or biting of the grain stalks, and prevents the occurrence of clogging. Smooth and secure transport in G.
In this case, the meshing portion 54 of the driving raking claw 52 and the driven raking claw 53 has not a single point in the transport direction but a predetermined length before and after, and similarly, the takeover transport path G also has a predetermined length in the transport direction. Since it has a length, neither the engagement portion 54 nor the confluence portion of the transport passage H indicates a single location, but has a predetermined length (width or range). By arranging the meshing portion 54, the merging of the cereal stems conveyed from the conveying passage H may be smoothly performed.
[0014]
In other words, in the embodiment, the root transport devices 14 are provided on the left and right, and the locations where the root transport chains 58 of the root transport devices 14 approach each other are the start ends of the takeover transport passages G, and near the start ends of the takeover transport passages G. When the meshing portion 54 is located, the transported grain culm from the right and left transport paths H is smoothly scraped and transported by the driven grain stalk scraping body 50 and the driven grain stalk scraping body 51, which is preferable.
Note that the root transport device 14 in FIG. 1 is formed on the root transport lug 59a on the left side instead of the root transport chain 59 to suppress noise generation.
Also, the leading end trajectory (on the upper side of the conveyance) of the driving rake claw 52 and the driven rake claw 53 of the driven cereal squeezed body 50 and the driven cereal squeezed body 51 is the starting end or the root of the transfer conveyance path G. When the root transport chains 59 (the root transport lugs 59a) of the transport device 14 are located on the upstream side in the transport direction from the places where they approach each other, the delivery of the grain culm transport by the root transport device 14 is further smoothly performed. This is preferable because the transport (delivery) posture is stable and good, and spilling of the culm can be prevented and suppressed. In other words, even if the meshing portion 54 is located in the transfer conveyance path G, the tip trajectory of the driving raking claw 52 and the driven raking claw 53 wraps with the end of each conveying path H to improve the raking performance. Can be
[0015]
When viewed from the front of the transfer conveyance path G, the meshing portion 54 of the driven grain culm scraping body 50 and the driven grain culm scraping body 51 is positioned in the moving path through which the transfer conveyance lug 49 of the tip transfer mechanism 32 passes. This is preferable because the transport posture is stable and spilling of the culm can be prevented.
That is, by positioning the meshing portion 54 of the driven grain stalk scraping body 50 and the driven grain stalk scraping body 51 below the moving path of the working area of the transfer lag 49, the root of the grain stalk during the tip transport is moved. The driven grain stalk scraping body 50 and the driven grain stalk scraping body 51 are securely sandwiched, and the conveyance guide (scraping) action is also improved.
In addition, when viewed from the front of the transfer conveyance path G, the movement trajectory of the tip of the transfer conveyance lug 49 of the tip transfer mechanism 32 with respect to the meshing portion 54 of the driven grain stalk scraping body 50 and the driven grain stalk scraping body 51 is When it is positioned so as to protrude toward the side opposite to the case frame 45, the conveyance path is widened, the conveyance posture is stable, the conveyance guide on the tip side is also good, and the culm spill can be prevented, which is preferable.
[0016]
In addition, the pitch of the driven raking claw 52 of the driving grain culm scraping body 50 and the pitch of the driven raking claw 53 of the driven grain culling scraping body 51 are made smaller with respect to the pitch of the succeeding transport lug 49 of the head tip transporting device 32. I do. In this case, the same number of rotations is transmitted from the rotating shaft 40 to both the transfer conveying lug 49 and the drive raking claw 52, but the driven raking claw 52 of the driving grain rame raking body 50 and the follower of the driven grain ramus raking body 51 are driven. By reducing the pitch of the raking claws 53, the number of times of contact (raising) of the raking claws 52, 53 with the cereal culm becomes larger than that of the transfer lag 49, and the raking performance is improved, and This is preferable because the pinching force of the stalk is also improved, the transport posture is stabilized, and spilling of the culm can be prevented.
Thus, the driven grain stalk scraping body 51 is formed to have a larger diameter than the driving grain stalk scraping body 50, and the driven grain claws 53 of the driven grain stalk scraping body 51 are located forward of the driving grain stalk 52. Position.
In other words, the driven grain stalk scraping body 50 and the driven grain stalk scraping body 51 are arranged on the left and right sides in a direction substantially intersecting with the transport path of the stock transfer system 31, The driven rake claw 53 is positioned forward of the drive rake claw 52, and the driven cereal crushed body 51 is formed to have a large diameter, thereby improving the rake performance of the cereal culm from the right side in the machine body traveling direction. Let it.
[0017]
In particular, by forming the driven grain stalk scraping body 51 to have a large diameter, the grain stalks (two rows) from the pulling device 11 on the right side in the machine body traveling direction can be scraped, so that the transport mechanism can be omitted, and the cost can be reduced. The weight can be reduced.
That is, in the configuration of the conventional mowing unit 5, the head transport device is provided above the root transport device 14 provided between the raising device 11, the stock takeover transport device 31, and the head takeover transport device 32. However, in the present application, since the grain stalk scraping body 50 and the grain stalk scraping body 51 are provided at the confluence of the transport passages of the left and right root transport devices 14, the stock takeover transport device 31 and the head tip transport device 32 By arranging the start end near the end of the base transfer device 14, it is not necessary to provide a head transfer device above the base transfer device 14, and accordingly, the raising device 11, the stock transfer transfer device 31, and the head transfer transfer. The distance from the device 32 can be shortened, and the overall length of the aircraft can be shortened.
In this case, by forming the driven grain stalk scraping body 51 to have a large diameter, the distance between the driven grain stalk scraping body 51 and the raising device 11 can be further shortened, and the grain stalk scraping body 50 is formed. The structure also serves as a head transfer mechanism from the raising device 11 by the stalk squeezing body 51, so that the cost is reduced and the weight is reduced, and the transfer is also improved.
[0018]
Further, when the driven grain stalk raking body 51 is configured to be thicker (plate thickness) than the driving grain stalk raking body 50, the meshing range in the axial direction can be widened, and the mounting and assembly can be facilitated. Further, the area of the driven scraping claw 53 of the driven grain stalk raking body 51 that hits the grain stalk is increased, and damage to the grain stalk can be prevented, which is preferable.
Thus, the non-working side of one or both of the driven grain stalk scraping body 50 and the driven grain stalk scraping body 51 is cut out to provide a notched retreating surface portion 61, and the subsequent scraping nail is formed. The space portion 63 is formed even when meshed with the action surface portion 62, and a volume (space) where the grain stalk is scraped in the meshing portion 54 of the raking claw is secured to increase the transport amount. It is configured to be able to cope with it, and also prevents problems such as pinching or biting of cereal stems, and prevents occurrence of clogging.
That is, at the time of raked the increased amount of grain culm from the transport path H into the transfer transport path G, a space 63 is formed in the meshing portion 54 of the driven grain stalk scraped body 50 and the driven grain stalk scraped body 51. Therefore, problems such as pinching or biting of the cereal stem are prevented and clogging is prevented.
Further, of the driving raking claw 52 and the driven raking claw 53, the raking claw provided with the notch retreating surface portion 61 has a reduced area by the provision of the notch retreating surface portion 61. Be reduced.
[0019]
Thus, the driven grain stalk scraping body 50 and the driven grain stalk scraping body 51 are located at an upper and lower intermediate position below the transfer chain 33 of the stock transfer mechanism 31 and below the transfer rug 49 of the tip transfer mechanism 32. In the position, by scraping the upper and lower middle portions of the grain stalks conveyed by the stock transfer system 31 and the head transfer system 32, the conveyance posture is improved.
In this case, the driving grain stem scraping body 50 is configured such that at least a non-working side portion of the rotating shaft 40 is located below the case frame 45 of the tip takeover transfer device 32. As a result, it is possible to prevent the winding and accumulation of the straw waste around the driven grain stalk raking body 50, and it is also effective in terms of safety.
Thus, the starting end of the take-over clamping rod 34 of the stock transfer system 31 is located on the more upstream side of the meshing portion 54 between the driving grain stalk scraping body 50 and the driven grain stalk scraping body 51.
That is, the engaging portion 54 of the driven grain stalk scraping body 50 and the driven grain stalk scraping body 51 is located near the confluence from the transport passage H, and the starting end of the take-over clamping rod 34 of the stock-based take-over transport device 31 is It is located closer to the conveyance side than the engagement portion 54.
Therefore, the transfer pinching rod 34 guides the cereal stem to the transfer conveyor chain 33 from the upper side of the transfer than the meshing portion 54 to improve transfer.
In this case, the starting end of the take-over clamping rod 34 of the stock-taking-over transfer device 31 is located below the driven grain squeezing body 51 and is guided toward the meshing portion 54, so that the take-over is good.
[0020]
Thus, the case frame 45 of the spike take-over transfer device 32 is located outside the transfer passage (from the control section 4 side) in a plan view, from the portion where the driving grain squeezing body 50 is provided to the start end of the case frame 45. ).
That is, the action side surface of the transfer conveyance lug 49 of the case frame 45 is formed so that the portion where the driving grain squeezing body 50 is provided in a plan view is formed in a “<” shape, and the conveyance passage is enlarged. The take-up angle when taking over the transported grain culm is expanded.
In this case, by bending the driving grain stalk raking body 50 into a C-shape based on the center thereof, the driving raking claws 52 of the driving grain stalk raking body 50 in the working area are exposed from the case frame 45, and the transport passage is formed. It is enlarged to improve the scraping performance of the driven grain stem scraping body 50. Further, the take-in angle from the raising device 11 is increased, and the conveyance becomes smoother. On the other hand, since the upper part of the center portion of the driven grain stalk raking body 50 is surrounded by the case frame 45, it is possible to prevent the winding and accumulation of the straw dust around the driven grain stalk raking body 50, and it is also effective in terms of safety. is there.
[0021]
Thus, a guide cover 65 is provided on the upper surface side of the case frame 45, and the guide cover 65 is provided when the start ends of the stock takeover transfer device 31 and the tip transfer device 32 move up to the maximum height. It is configured to overlap with a part of the operation panel 66.
That is, the starting end of the stock transfer device 31 is overlapped with the end portion of the root transfer device 14 in a side view, and the transmission frame 37 to which the stock transfer device 31 and the tip transfer device 32 are attached is a base. It is rotatably attached to the horizontal transmission case 7 and the start end of the stock transfer device 31 is configured to be adjustable vertically so that it can also be used as a handling depth adjustment device. The start end of the tip takeover transport device 32 moves upward in conjunction with the vertical position adjustment of the start end of the device 31.
Therefore, the size of the machine body is reduced by allowing the guide cover 65 and a part of the operation panel 66 of the control unit 4 to overlap, and the tip of the transported cereal stem is prevented from leaning on the operation panel 66.
[0022]
Thus, the surrounding cover 70 is provided on the upper surface side of the driven grain stalk raking body 51. The surrounding cover 70 is formed on the front side by an upright wall 72 that rises substantially in parallel with the axial direction of a mounting shaft 71 on which the driven raking claw 53 is mounted, and a top plate 73 that is connected to the upper peripheral edge of the upright wall 72. The upright wall 72 is formed in an arc shape at a position closer to the rotation center side than the groove bottom of the driven raking claw 53 on the front side of the driven cereal pudding raking body 51, and the side of the driven cereal pudding raking body 51 as it is. So that the rear side of the top plate 73 surrounds the non-working area at the rear of the driven grain stalk raking body 51, and the back surface of the top plate 73 is provided on the mounting frame 58. And is fixed by bolts.
Therefore, it is possible to prevent the cereal stem from being entangled with the mounting shaft 71 by the upright wall 72 and the top plate 73 without affecting the scraping action of the driven grain stalk raking body 51.
In this case, the axial direction of the driven grain stalk raking body 51 becomes lower as it moves away from the driving grain stalk raking body 50, and is also inclined with respect to the horizontal direction (line L) of the machine body. If the top plate 73 is also inclined, it is possible to prevent the accumulation of straw chips and dust on the top plate 73, which is preferable.
In addition, the upright wall 72 on the side of the transport passage is formed substantially parallel to the transport passage, but may be inclined so that the upstream side of the transport passage in the transport direction is widened.
In addition, although each of the above-described embodiments is illustrated or described individually or mixedly for easy understanding, these can be variously combined with each other. The present invention is not limited to this, and there is a case where a synergistic effect is produced.
[Brief description of the drawings]
FIG. 1 is a side view of a combine.
FIG. 2 is a plan view of the same.
FIG. 3 is a perspective view of a frame of a reaper.
FIG. 4 is a plan view of the transfer conveyance device.
FIG. 5 is a rear view of the same.
FIG. 6 is a schematic plan view of a reaper.
FIG. 7 is a rear view of the transfer device.
FIG. 8 is an explanatory view of a transport path of the reaper.
FIG. 9 is a side view of the takeover transport device in a rotating state.
FIG. 10 is a front view of the transfer device.
FIG. 11 is a plan view of the same.
FIG. 12 is a plan view showing a state in which the takeover transport device is rotated upward.
FIG. 13 is a front view of the state in which the takeover transport device is rotated upward.
FIG. 14 is a plan view of an embodiment in which a cover is provided on the grain stem scraping body.
FIG. 15 is a plan view of the embodiment in which a cover is provided on the grain stem scraping body.
FIG. 16 is a front view of the embodiment in which a cover is provided on the grain stem scraping body.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Body, 2 ... Traveling device, 3 ... Threshing device, 4 ... Steering part, 5 ... Cutting part, 7 ... Base horizontal transmission case, 8 ... Support base, 9 ... Cutting vertical cylinder, 10 ... Weeding body, 11 ... Raising Device, 12: lug type scraping device, 13: star wheel, 14: root conveying device, 15: cutting blade, 18: lower horizontal transmission case, 19: cutting input pulley, 20: side transmission case, 21: intermediate transmission Case, 22: Intermediate transmission case, 23: Transmission shaft, 24: Transmission shaft, 25: Transmission shaft, 30: Grain stalk supply / transport device, 31: Stake-over transfer device, 32: Head-end transfer device, 33: Transfer device Chain, 34: take-over clamping rod, 35: drive sprocket, 36: sprocket, 37: transmission frame, 38: rotary shaft, 39: frame, 40: rotary shaft, 41: inverted U-shaped support frame, 42: mounting base, 46 ... drive sprocket, 47 ... Proket, 48: transport chain with lug, 49: takeover transport lug, 50: grain stalk scraping body, 51: grain stalk scraping body, 52 ... scraping nail, 53 ... scraping nail, 54 ... meshing part, 55 ... Support member, 56 mounting bolt, 57 fitting recess, 58 mounting frame, 59 root transport chain, 59a root transport lug, 61 notch retreating surface portion, 62 operating surface portion, 63 space portion, 65 guide Cover, 66: operation panel, 70: surrounding cover, 71: mounting shaft, 72: standing wall, 73: top plate.
