JP2009148198A - Combine harvester - Google Patents

Combine harvester Download PDF

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JP2009148198A
JP2009148198A JP2007329040A JP2007329040A JP2009148198A JP 2009148198 A JP2009148198 A JP 2009148198A JP 2007329040 A JP2007329040 A JP 2007329040A JP 2007329040 A JP2007329040 A JP 2007329040A JP 2009148198 A JP2009148198 A JP 2009148198A
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speed
conveying
conveyance
chain
cereal
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JP5319106B2 (en
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Toshinori Kirihata
俊紀 桐畑
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Yanmar Co Ltd
ヤンマー株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine harvester which can prevent the falling or clogging of grain straws in a grain straw transfer portion or the like on the conveyance final end side of a grain straw-conveying means 34 (grain and straw conveyer) and can improve the conveying performance of the grain straw-conveying means 34. <P>SOLUTION: This combine harvester having a travel machine frame equipped with a travel portion 2 operated with an engine 14, a cutting blade device 222 for cutting the foot portions of the grain straws planted in a field, and the grain straw-conveying means 34 for conveying the grain straws having the foot portions cut with the cutting blade device 222 is characterized by having a conveyance-driving electric motor 92 for operating the grain straw-conveying means 34 and a reaping finish sensor 287 for detecting the reaping finish of the grain straws, and operating the grain straw-conveying means 34 at a high speed, when the reaping finish of the grain straws is detected. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、圃場に植立した穀稈を刈取って穀粒を収集するコンバイン、又は飼料用穀稈を刈取って飼料として収集する飼料コンバイン等のコンバインに係り、より詳しくは、刈刃装置によって株元が切断される穀稈又は飼料用穀稈を搬送するための穀稈搬送手段を電動モータにて作動するようにしたコンバインに関するものである。   The present invention relates to a combine harvester that harvests cereals planted in a field and collects grains, or a combine such as feed combine that harvests cereals for feed and collects it as feed, and more particularly, a cutting blade device It is related with the combine which act | operated by the electric motor the corn straw conveyance means for conveying the grain mash from which a stock origin is cut | disconnected by this.
従来、コンバインは、圃場に植立した未刈り穀稈の株元を刈刃装置によって切断し、穀稈搬送手段としての穀稈搬送装置によって脱穀装置にその穀稈を搬送し、脱穀装置によってその穀稈を脱穀して、穀粒を収集するように構成している。特許文献1に示されるように、エンジンからの駆動力によって刈取装置が作動するように構成されている。また、電動モータによって刈刃装置を駆動する構成(例えば、特許文献2参照)や、電動モータによって穀稈搬送装置(スクレーパ)を駆動する構成(例えば、特許文献3参照)も公知である。
特開2004−97038号公報 特開昭63−258510号公報 特開平7−177813号公報
Conventionally, a combiner cuts a stock of uncut cereal planted in a field with a cutting blade device, conveys the cereal to a threshing device by a cereal conveying device as a cereal conveying means, and The cereal is threshed and the grains are collected. As shown in Patent Document 1, the reaping device is configured to operate by the driving force from the engine. Further, a configuration in which a cutting blade device is driven by an electric motor (for example, see Patent Document 2) and a configuration in which a cereal conveying device (scraper) is driven by an electric motor (for example, see Patent Document 3) are also known.
JP 2004-97038 A JP-A 63-258510 Japanese Patent Laid-Open No. 7-177813
前記従来技術は、特許文献1に示されるように、エンジンによって穀稈搬送装置を作動させた場合、走行機体の移動速度(車速)に同調した速度で刈刃装置及び穀稈搬送装置を作動できるが、前記穀稈の刈取が終了する刈り終いのときに、前記穀稈の刈取り量が少なくなることによって、穀稈搬送装置によって搬送する穀稈量も少なくなる。したがって、穀稈搬送装置の穀稈搬送作用が弱くなり、前記穀稈の搬送姿勢が乱れる等の問題がある。特に、フィードチェンによって株元が挟持された穀稈の穂先側を脱穀装置に供給するコンバインでは、前記穀稈の刈取が終了する刈り終いのときに、穀稈搬送装置によって搬送する穀稈量が少なくなることによって、穀稈搬送装置からフィードチェンに穀稈が不適正に受け渡され、穀稈搬送装置とフィードチェンの間の穀稈受継部で稈こぼれ又は稈詰りが発生し易い等の問題がある。また、刈り終いのときに、穀稈搬送装置の収納操作をオペレータが忘れた場合、圃場間の移動又は路上走行のときに、機体外側方に突出した穀稈搬送装置が、土手や周辺の障害物等に衝突し易い等の問題がある。   As shown in Patent Document 1, the prior art can operate the cutting blade device and the culm transport device at a speed synchronized with the moving speed (vehicle speed) of the traveling machine body when the culm transport device is operated by the engine. However, when the harvesting of the cereals is finished, the amount of cereals to be conveyed is reduced by reducing the amount of harvested cereals. Therefore, there is a problem that the cereal conveying action of the cereal conveying device is weakened and the conveying posture of the cereal is disturbed. In particular, in a combine that supplies a threshing tip to the threshing device, where the stock is sandwiched by a feed chain, the amount of corn that is conveyed by the culm conveying device when the reaping of the cereal is finished As a result, the cereals are improperly transferred from the cereal conveyor to the feed chain, and spillage or clogging is likely to occur at the cereal transfer part between the cereal conveyor and the feed chain. There's a problem. In addition, when the operator forgets the storing operation of the grain transporter at the end of cutting, the grain transporter that protrudes outward from the body when moving between fields or traveling on the road is There is a problem such as easy collision with obstacles.
なお、特許文献3に示されるように、電動モータによって穀稈搬送装置(スクレーパ)を駆動する場合、車速に同期した車速同調速度で穀稈搬送装置が作動しないから、穀稈搬送装置によって搬送する途中で穀稈の搬送姿勢が乱れたり、穀稈が詰る等の問題がある。   In addition, as shown in Patent Document 3, when driving the cereal conveying device (scraper) by an electric motor, the cereal conveying device does not operate at a vehicle speed synchronization speed synchronized with the vehicle speed, so that the cereal conveying device conveys it. There is a problem that the conveying posture of the cereal is disturbed or the cereal is clogged.
本発明の目的は、刈り終いのときに、穀稈搬送手段(穀稈搬送装置)の搬送終端側の穀稈受継部等で稈こぼれ又は稈詰りが発生するのを防止でき、穀稈搬送手段の搬送性能を向上できるようにしたコンバインを提供するものである。   An object of the present invention is to prevent spillage or clogging from occurring in a grain culm inheriting part or the like on the conveyance terminal side of the corn straw transporting means (grain straw transporting apparatus) when cutting is finished. The present invention provides a combine that can improve the conveying performance of the means.
前記目的を達成するため、請求項1に係る発明のコンバインは、エンジンによって作動する走行部を備えた走行機体と、圃場に植立した穀稈の株元を切断する刈刃装置と、前記刈刃装置によって株元が切断された前記穀稈を搬送する穀稈搬送手段とを備えてなるコンバインにおいて、前記穀稈搬送手段を作動する搬送駆動用電動モータと、前記穀稈の刈り終いを検出する刈り終いセンサとを備え、前記穀稈の刈り終いが検出されたときに、前記穀稈搬送手段を高速で作動するように構成したものである。   In order to achieve the above object, a combine of an invention according to claim 1 includes a traveling machine body having a traveling unit that is operated by an engine, a cutting blade device that cuts a stock of cereals planted in a field, and the cutting In a combine comprising a corn straw transporting means for transporting the corn straw whose stock has been cut by a blade device, an electric motor for transport driving that operates the corn straw conveying means, and the end of harvesting of the corn straw And a sensor for detecting the end of cutting, and when the end of cutting of the culm is detected, the culm conveying means is configured to operate at high speed.
請求項2に記載の発明は、請求項1に記載のコンバインにおいて、前記穀稈搬送手段を機体の内外に出入させる扱深さ調節手段を備え、前記穀稈の刈り終い時に、前記穀稈搬送手段を高速で作動して一定時間が経過したときに、前記穀稈搬送手段が収納されるように構成したものである。   The invention according to claim 2 is the combine according to claim 1, further comprising a handling depth adjusting means for moving the grain transporting means in and out of the machine body, and when the grain straw has been cut, the grain straw When the conveying means is operated at a high speed and a certain time has elapsed, the cereal conveying means is stored.
請求項3に記載の発明は、請求項1に記載のコンバインにおいて、前記穀稈搬送手段から前記穀稈を受継いで搬送する補助搬送手段を備え、前記穀稈の刈り終い時に、前記穀稈搬送手段の高速作動と関連させて、前記補助搬送手段を高速で作動させるように構成したものである。   A third aspect of the present invention is the combine according to the first aspect, further comprising auxiliary conveying means that inherits and conveys the cereal from the cereal conveying means, and at the end of cutting the cereal, the cereal In connection with the high-speed operation of the bag transport means, the auxiliary transport means is configured to operate at a high speed.
請求項1に係る発明によれば、エンジンによって作動する走行部を備えた走行機体と、圃場に植立した穀稈の株元を切断する刈刃装置と、前記刈刃装置によって株元が切断された前記穀稈を搬送する穀稈搬送手段とを備えてなるコンバインにおいて、前記穀稈搬送手段を作動する搬送駆動用電動モータと、前記穀稈の刈り終いを検出する刈り終いセンサとを備え、前記穀稈の刈り終いが検出されたときに、前記穀稈搬送手段を高速で作動するように構成したものであるから、前記穀稈搬送手段によって搬送する穀稈量が少なくなる刈り終いのときに、前記穀稈搬送手段の高速作動によって、前記穀稈搬送手段の穀稈搬送作用を適正に維持でき、前記穀稈搬送手段の搬送終端側(穀稈受継部)等で稈こぼれ又は稈詰りが発生するのを防止でき、前記穀稈搬送手段の搬送性能を向上できるものである。   According to the first aspect of the present invention, the traveling machine body including the traveling unit that is operated by the engine, the cutting blade device that cuts the stock of the cereal planted in the field, and the stock is cut by the cutting blade device. A combiner comprising a cereal transporting means for transporting the cereal culm, and an electric motor for transporting driving the cereal transporting means, and an end-of-cutting sensor for detecting the end of cutting of the cereal And when the end of harvesting of the corn straw is detected, the corn straw conveying means is configured to operate at a high speed, so that the amount of corn straw conveyed by the corn straw conveying means is reduced. At the end of cutting, the cereal conveyance means can maintain the cereal conveyance action properly by high-speed operation of the cereal conveyance means. Can prevent spillage or clogging, Those capable of improving conveyance performance of KiKoku 稈搬 feeding means.
請求項2に係る発明によれば、前記穀稈搬送手段を機体の内外に出入させる扱深さ調節手段を備え、前記穀稈の刈り終い時に、前記穀稈搬送手段を高速で作動して一定時間が経過したときに、前記穀稈搬送手段が収納されるように構成したものであるから、刈り終いのときに、前記穀稈搬送手段の搬送終端側の穀稈受継部等で稈こぼれ又は稈詰りが発生するのを防止できるものでありながら、前記穀稈搬送手段が機体の内側方に収納されてから、走行機体の方向転換等が実行される。したがって、オペレータが前記穀稈搬送手段を収納操作する必要がないから、圃場間の移動又は路上走行のときに、土手や周辺の障害物等に前記穀稈搬送手段が衝突するのを防止できるものである。   According to the invention which concerns on Claim 2, it is provided with the handling depth adjustment means which makes the said grain straw transport means go in and out of the body, and when the grain straw is finished cutting, the said grain straw transport means is operated at high speed. Since the cereal conveying means is configured to be stored when a certain time has elapsed, when the cutting is finished, the Although the occurrence of spillage or clogging can be prevented, the direction change of the traveling machine body is performed after the culm transporting means is stored inside the machine body. Accordingly, since the operator does not need to store and operate the cereal conveying means, the cereal conveying means can be prevented from colliding with a bank or an obstacle around the bank when moving between fields or traveling on the road. It is.
請求項3に係る発明によれば、前記穀稈搬送手段から前記穀稈を受継いで搬送する補助搬送手段を備え、前記穀稈の刈り終い時に、前記穀稈搬送手段の高速作動と関連させて、前記補助搬送手段を高速で作動させるように構成したものであるから、刈り終いのときに、前記穀稈搬送手段と前記補助搬送手段の高速作動によって、前記穀稈搬送手段と前記補助搬送手段の穀稈搬送作用を適正に維持でき、前記穀稈搬送手段の搬送終端側(穀稈受継部)等で稈こぼれ又は稈詰りが発生するのを防止でき、前記穀稈搬送手段の搬送性能を向上できるものである。   According to the invention which concerns on Claim 3, it has the auxiliary | assistant conveyance means which inherits and conveys the said corn straw from the said corn straw conveyance means, and is related with the high-speed operation | movement of the said corn straw conveyance means at the time of the cutting of the said corn straw Since the auxiliary conveying means is configured to operate at a high speed, when the cutting is finished, the corn straw conveying means and the auxiliary conveying means are operated at high speed by the high speed operation of the corn straw conveying means and the auxiliary conveying means. It is possible to properly maintain the cereal conveying action of the auxiliary conveying means, prevent occurrence of spillage or clogging on the conveying terminal side (cereal cease inheriting part) of the cereal conveying means, The conveyance performance can be improved.
以下に、本発明を具体化した実施形態を図面に基づいて説明する。図1はコンバインの左側面図、図2はコンバインの平面図、図3は刈刃装置及び穀稈搬送装置の側面説明図、図4は刈刃装置及び穀稈搬送装置の平面説明図、図5はコンバインの駆動系統図、図6はミッションケース及びカウンタケース等の駆動系統図、図7は穀稈搬送手段(縦搬送チェン)の制御回路の機能ブロック図である。図1及び図2を参照しながら、コンバインの全体構造について説明する。なお、以下の説明では、走行機体1の進行方向に向かって左側を単に左側と称し、同じく進行方向に向かって右側を単に右側と称する。   DESCRIPTION OF EMBODIMENTS Embodiments embodying the present invention will be described below with reference to the drawings. FIG. 1 is a left side view of the combine, FIG. 2 is a plan view of the combine, FIG. 3 is a side view of the cutting blade device and the culm conveying device, and FIG. 5 is a drive system diagram of the combine, FIG. 6 is a drive system diagram of the mission case, the counter case, etc., and FIG. 7 is a functional block diagram of a control circuit of the cereal transport means (vertical transport chain). The overall structure of the combine will be described with reference to FIGS. 1 and 2. In the following description, the left side in the traveling direction of the traveling machine body 1 is simply referred to as the left side, and the right side in the traveling direction is also simply referred to as the right side.
本実施形態のコンバインは、走行部としての左右一対の走行クローラ2にて支持された走行機体1を備えている。走行機体1の前部には、穀稈を刈り取りながら取り込む6条刈り用の刈取装置3が、単動式の昇降用油圧シリンダ4によって刈取回動支点軸4a回りに昇降調節可能に装着されている。走行機体1には、フィードチェン6を有する脱穀装置5と、該脱穀装置5から取出された穀粒を貯留する穀粒タンク7とが横並び状に搭載されている。本実施形態では、脱穀装置5が走行機体1の進行方向左側に、穀粒タンク7が走行機体1の進行方向右側に配置されている。走行機体1の後部に旋回可能な排出オーガ8が設けられ、穀粒タンク7の内部の穀粒が、排出オーガ8の籾投げ口9からトラックの荷台またはコンテナ等に排出されるように構成されている。刈取装置3の右側方で、穀粒タンク7の前側方には、運転キャビン10が設けられている。   The combine according to the present embodiment includes a traveling machine body 1 supported by a pair of left and right traveling crawlers 2 as traveling portions. At the front part of the traveling machine body 1, a six-row mowing device 3 that takes in while harvesting cereals is mounted by a single-acting lifting hydraulic cylinder 4 so as to be movable up and down around the mowing rotation fulcrum shaft 4a. Yes. A threshing device 5 having a feed chain 6 and a grain tank 7 for storing grains taken out from the threshing device 5 are mounted on the traveling machine body 1 side by side. In this embodiment, the threshing device 5 is disposed on the left side in the traveling direction of the traveling machine body 1, and the grain tank 7 is disposed on the right side in the traveling direction of the traveling machine body 1. A swivelable discharge auger 8 is provided at the rear part of the traveling machine body 1, and the grains inside the grain tank 7 are discharged from the throat throw 9 of the discharge auger 8 to a truck bed or a container. ing. An operation cabin 10 is provided on the right side of the reaping device 3 and on the front side of the grain tank 7.
運転キャビン10内には、操縦ハンドル11と、運転座席12と、主変速レバー42と、副変速レバー43と、脱穀クラッチ及び刈取クラッチを入り切りする作業クラッチレバー44とを配置している。なお、図示しないが、運転キャビン10には、オペレータが搭乗するステップと、操縦ハンドル11を設けたハンドルコラムと、前記各レバー42,43,44等を設けたレバーコラムとが配置されている。運転座席12の下方の走行機体1には、動力源としてのエンジン14が配置されている。   In the driving cabin 10, there are disposed a steering handle 11, a driving seat 12, a main transmission lever 42, a sub transmission lever 43, and a work clutch lever 44 for turning on and off the threshing clutch and the mowing clutch. Although not shown, the driving cabin 10 is provided with a step on which an operator gets on, a handle column provided with the steering handle 11, and a lever column provided with the levers 42, 43, 44 and the like. An engine 14 as a power source is disposed in the traveling machine body 1 below the driver seat 12.
図1乃至図4に示されるように、走行機体1の下面側に左右のトラックフレーム21を配置している。トラックフレーム21には、走行クローラ2にエンジン14の動力を伝える駆動スプロケット22と、走行クローラ2のテンションを維持するテンションローラ23と、走行クローラ2の接地側を接地状態に保持する複数のトラックローラ24と、走行クローラ2の非接地側を保持する中間ローラ25とを設けている。駆動スプロケット22によって走行クローラ2の前側を支持し、テンションローラ23によって走行クローラ2の後側を支持し、トラックローラ24によって走行クローラ2の接地側を支持し、中間ローラ25によって走行クローラ2の非接地側を支持することになる。   As shown in FIGS. 1 to 4, left and right track frames 21 are arranged on the lower surface side of the traveling machine body 1. The track frame 21 includes a drive sprocket 22 that transmits the power of the engine 14 to the traveling crawler 2, a tension roller 23 that maintains the tension of the traveling crawler 2, and a plurality of track rollers that hold the ground side of the traveling crawler 2 in a grounded state. 24 and an intermediate roller 25 that holds the non-grounded side of the traveling crawler 2 are provided. The driving sprocket 22 supports the front side of the traveling crawler 2, the tension roller 23 supports the rear side of the traveling crawler 2, the track roller 24 supports the grounding side of the traveling crawler 2, and the intermediate roller 25 supports the non-traveling crawler 2. The ground side will be supported.
刈取装置3の刈取回動支点軸4aに連結した刈取フレーム221の下方には、圃場に植立した未刈り穀稈(穀稈)の株元を切断するバリカン式の刈刃装置222が設けられている。刈取フレーム221の前方には、圃場に植立した未刈り穀稈を引起す6条分の穀稈引起装置223が配置されている。穀稈引起装置223とフィードチェン6の前端部(送り始端側)との間には、刈刃装置222によって刈取られた刈取り穀稈を搬送する穀稈搬送装置224が配置されている。なお、穀稈引起装置223の下部前方には、圃場に植立した未刈り穀稈を分草する6条分の分草体225が突設されている。エンジン14にて走行クローラ2を駆動して圃場内を移動しながら、刈取装置3によって圃場に植立した未刈り穀稈を連続的に刈取ることになる。   A clipper-type cutting blade device 222 is provided below the cutting frame 221 connected to the cutting rotation fulcrum shaft 4a of the cutting device 3 so as to cut the stock of uncut grain cereal (cereal culm) planted in the field. ing. In front of the mowing frame 221, a stalk raising apparatus 223 for six stalks that raises an uncut cereal cultivated in the field is disposed. Between the culm pulling device 223 and the front end (feed start side) of the feed chain 6, a culm conveying device 224 that conveys the chopped culm harvested by the cutting blade device 222 is arranged. In addition, in front of the lower part of the grain raising apparatus 223, a weeding body 225 corresponding to six strips for weeding the uncut grain rice planted in the field is provided. While the traveling crawler 2 is driven by the engine 14 and moved in the field, the uncut grain culms planted in the field are continuously harvested by the harvesting device 3.
次に、図3及び図4を参照して刈取装置3の構造を説明する。図3及び図4に示すように、刈取フレーム221は、走行機体1の前端側の軸受台15に回動可能に支持した刈取入力ケース16と、刈取入力ケース16から前方に向けて延長する縦伝動ケース18と、縦伝動ケース18の前端側で左右方向に向けて延長する横伝動ケース19と、横伝動ケース19に連結する6条分の分草フレーム20とによって形成されている。分草フレーム20の前端側に支持する6条分の分草体225とが配置されている。機体左右方向に水平に横架した刈取入力ケース16内には、エンジン14からの動力が伝達される刈取り穀稈用の刈取り入力軸17を組込んでいる。   Next, the structure of the reaping device 3 will be described with reference to FIGS. 3 and 4. As shown in FIGS. 3 and 4, the cutting frame 221 includes a cutting input case 16 that is rotatably supported by the bearing stand 15 on the front end side of the traveling machine body 1, and a vertical extension that extends forward from the cutting input case 16. A transmission case 18, a horizontal transmission case 19 extending in the left-right direction on the front end side of the vertical transmission case 18, and a weeding frame 20 for six strips connected to the horizontal transmission case 19 are formed. A six-part weed body 225 supported on the front end side of the weed frame 20 is disposed. A cutting input shaft 17 for a cutting culm to which power from the engine 14 is transmitted is incorporated in a cutting input case 16 that is horizontally mounted in the horizontal direction of the machine body.
穀稈引起装置223は、分草板225によって分草された未刈穀稈を起立させる複数の引起タイン28を有する6条分の引起ケース29を有する。穀稈搬送装置224は、右側2条分の引起ケース29から導入される右側2条分の穀稈の株元側を掻込む左右の右スターホイル30R及び左右の右掻込ベルト31Rと、左側2つの引起ケース29から導入される左側2条分の穀稈の株元側を掻込む左右の左スターホイル30L及び左右の左掻込ベルト31Lと、中央2つの引起ケース29から導入される中央2条分の穀稈の株元側を掻込む左右の中央スターホイル30C及び左右の中央掻込ベルト31Cとを有する。   The grain raising device 223 has a pulling case 29 for six strips having a plurality of raising tines 28 for raising an uncut grained rice chopped by the weed board 225. The grain feeder 224 includes left and right right star wheels 30R and left and right right scooping belts 31R that squeeze the stock side of the two right-side grains introduced from the pulling case 29 for the two right-hand sides, and the left side Left and right left star wheels 30L and left and right left scooping belts 31L that scrape the stock side of the left two cereal grains introduced from the two pulling cases 29, and the center introduced from the two pulling cases 29 in the center It has left and right central star wheels 30C and left and right central rake belts 31C that rake up the stock side of the cereals for two strips.
刈刃装置222は、右スターホイル30R及び左右の右掻込ベルト31R、左スターホイル30L及び左右の左掻込ベルト31L、中央スターホイル30C及び左右の中央掻込ベルト31Cによって掻込まれた6条分の穀稈の株元を切断するバリカン形の左右の刈刃32を有する。   The cutting blade device 222 is scraped by the right star wheel 30R and the left and right right take-up belts 31R, the left star wheel 30L and the left and right left take-up belts 31L, the center star wheel 30C, and the left and right center take-up belts 31C. It has clipper-shaped left and right cutting blades 32 for cutting the stocks of the cereal grains.
また、穀稈搬送装置224は、右側2条分のスターホイル30R及び掻込ベルト31Rによって掻込まれた右側2条分の刈取穀稈の株元側を後方に搬送する右株元搬送チェン33Rと、左側2条分のスターホイル30L及び掻込ベルト31Lによって掻込まれた左側2条分の刈取穀稈の株元側を右株元搬送チェン33Rの搬送終端部に合流させる左株元搬送チェン33Lと、中央2条分のスターホイル30C及び掻込ベルト31Cによって掻込まれた中央2条分の刈取穀稈の株元側を後方に搬送して右株元搬送チェン33Rの搬送途中に合流させる中央株元搬送チェン33Cとを有する。左右及び中央の株元搬送チェン33R,33L,33Cによって、右株元搬送チェン33Rの搬送終端部に、6条分の刈取穀稈の株元側を合流させることになる。   In addition, the cereal carrying device 224 is configured to carry the right stock former transport chain 33R that feeds back the stock side of the right two reaped harvested rice straw that has been raked by the right two star wheels 30R and the take-up belt 31R. And left stock transport that joins the stock side of the left two strips of harvested cereal that has been raked by the left two star foils 30L and the scraping belt 31L to the transport end of the right stock transport chain 33R In the middle of transporting the right stock transport chain 33R by transporting the stock side of the chain 33L, the central two portions of the star foil 30C and the central two strips of the harvested cereal rice bran 31C. A central stock transport chain 33C to be merged. By the left and right and center stock transport chains 33R, 33L, and 33C, the stock side of the harvested cereal grains for 6 lines is joined to the transport end of the right stock transport chain 33R.
穀稈搬送装置224は、右株元搬送チェン33Rから6条分の刈取穀稈の株元側を受継ぐ穀稈搬送手段としての縦搬送チェン34と、縦搬送チェン34の搬送終端部からフィードチェン6の搬送始端部に6条分の刈取穀稈の株元側を搬送する補助搬送手段としての補助株元搬送チェン35,36とを有する。縦搬送チェン34から、補助株元搬送チェン35,36を介して、フィードチェン6の搬送始端部に、6条分の刈取穀稈の株元側を搬送することになる。   The grain feeders 224 are fed from a right conveying base chain 33R, a vertical conveying chain 34 that serves as a grain conveying means that inherits the stock side of the harvested cereals for six strips, and fed from the conveying terminal end of the vertical conveying chain 34. Auxiliary stock source transport chains 35 and 36 as auxiliary transport means for transporting the stock source side of the harvested cereals for six strips are provided at the transport start end of the chain 6. From the vertical conveyance chain 34, the stock side of the harvested cereals for 6 ridges is conveyed to the conveyance start end portion of the feed chain 6 through the auxiliary stock source conveyance chains 35 and 36.
穀稈搬送装置224は、右株元搬送チェン33Rにて搬送される右側2条分の刈取穀稈の穂先側を搬送する右穂先搬送タイン37Rと、左株元搬送チェン33Lにて搬送される左側2条分の刈取穀稈の穂先側を搬送する左穂先搬送タイン37Lと、中央株元搬送チェン33Cにて搬送される中央2条分の刈取穀稈の穂先側を搬送する中央穂先搬送タイン37Cと、縦搬送チェン34にて搬送される6条分の刈取穀稈の穂先側を搬送する後穂先搬送タイン38とを有する。脱穀装置5の扱胴226室内に、刈取装置3で刈取った6条分の刈取穀稈の穂先側を搬送することになる。   The grain culm transporting device 224 is transported by the right stalk transporting tine 37R that transports the head of the harvested stalks for the two right-hand ridges transported by the right stock transporting chain 33R and the left stock transporting chain 33L. Left tip transport tine 37L that transports the tip of the harvested cereals for the left two strands, and central tip transport tine that transports the tip of the harvested cereals for the central two strips transported by the central stock transport chain 33C 37C and a rear tip transporting tine 38 that transports the tip side of the cut grain cereals for six strips transported by the vertical transport chain 34. The tip side of the harvested cereal cocoons for the six strips harvested by the reaping device 3 is transported into the handle barrel 226 of the threshing device 5.
次に、図5を参照して引起し駆動構造を説明する。図5に示すように、刈取り入力軸17に、後述する縦伝動軸40及び横伝動軸41及び左搬送駆動軸69を介して、引起横伝動軸48を連結する。引起横伝動軸48は、6条分の各引起ケース29の引起タイン駆動軸45にそれぞれ連結している。分草体225の後方で分草フレーム20の上方に引起ケース29が立設され、引起ケース29の上端側の背面から引起タイン駆動軸45を突出している。引起タイン駆動軸45及び引起横伝動軸48を介して、複数の引起タイン28を設けた引起タインチェン28aが駆動されることになる。   Next, the drive structure will be described with reference to FIG. As shown in FIG. 5, a pulling lateral transmission shaft 48 is connected to the cutting input shaft 17 via a longitudinal transmission shaft 40, a lateral transmission shaft 41, and a left conveying drive shaft 69 which will be described later. The pulling lateral transmission shaft 48 is connected to the pulling tine drive shaft 45 of each pulling case 29 for six lines. A pulling case 29 is erected on the rear side of the weeding body 225 and above the weeding frame 20, and the pulling tine drive shaft 45 projects from the rear surface on the upper end side of the pulling case 29. The pulling tine chain 28 a provided with a plurality of pulling tines 28 is driven via the pulling tine drive shaft 45 and the pulling lateral transmission shaft 48.
図5に示すように、横伝動軸41に左右のクランク軸52a,52bを介して左右の刈刃32を連結する。横伝動軸41を介して左右の刈刃32を同期させて駆動するように構成している。なお、刈刃装置222は、6条分の刈幅の中央部で分割して左右の刈刃32を形成し、左右の刈刃32を相反する方向に往復移動させ、往復移動によって発生する左右の刈刃32の振動(慣性力)を相殺可能に構成している。   As shown in FIG. 5, the left and right cutting blades 32 are connected to the lateral transmission shaft 41 via the left and right crankshafts 52a and 52b. The left and right cutting blades 32 are configured to be driven synchronously via the lateral transmission shaft 41. The cutting blade device 222 is divided at the central portion of the cutting width for six lines to form the left and right cutting blades 32, and the left and right cutting blades 32 are reciprocated in opposite directions, and left and right generated by the reciprocating movement. The vibration (inertial force) of the cutting blade 32 can be offset.
図5に示すように、刈取り入力軸17に縦伝動ケース18内の縦伝動軸40の一端側を連結する。縦伝動軸40の他端側に横伝動ケース19内の横伝動軸41の一端側を連結する。縦伝動軸40及び横伝動軸41から穀稈搬送装置224の各駆動部に刈取り入力軸17の回転力を伝えることになる。   As shown in FIG. 5, one end of the vertical transmission shaft 40 in the vertical transmission case 18 is connected to the cutting input shaft 17. One end side of the lateral transmission shaft 41 in the lateral transmission case 19 is connected to the other end side of the longitudinal transmission shaft 40. The rotational force of the cutting input shaft 17 is transmitted from the vertical transmission shaft 40 and the horizontal transmission shaft 41 to each drive unit of the cereal conveyance device 224.
即ち、縦伝動軸40には、右搬送駆動軸62を連結している。縦伝動軸40及び右搬送駆動軸62を介して、右株元搬送チェン33R及び右穂先搬送タイン37Rと、右スターホイル30R及び右掻込ベルト31Rとを駆動するように構成している。また、補助穀稈搬送手段としての補助株元搬送チェン35,36及び後穂先搬送タイン38を正逆回転切換可能に駆動する補助搬送駆動用電動モータ93を設ける。補助搬送駆動用電動モータ93によって、後搬送駆動軸54を介して、補助株元搬送チェン35,36及び後穂先搬送タイン38を駆動するように構成している。   That is, the right conveyance drive shaft 62 is connected to the vertical transmission shaft 40. Via the vertical transmission shaft 40 and the right transport drive shaft 62, the right stock former transport chain 33R and the right tip transport tine 37R, the right star wheel 30R and the right take-up belt 31R are driven. In addition, an auxiliary transport driving electric motor 93 is provided for driving the auxiliary stock former transport chains 35 and 36 and the rear tip transport tine 38 as auxiliary grain feeders so as to be able to switch between forward and reverse rotation. The auxiliary stock drive chain 35 and 36 and the back tip transport tine 38 are driven by the auxiliary transport drive electric motor 93 via the rear transport drive shaft 54.
図5に示すように、穀稈搬送手段としての縦搬送チェン34を正逆回転切換可能に駆動する縦搬送駆動用電動モータ92を備え、縦搬送駆動用電動モータ92によって、縦搬送伝動軸63を介して、縦搬送チェン34を駆動するように構成している。   As shown in FIG. 5, a vertical conveyance drive electric motor 92 that drives a vertical conveyance chain 34 as a cereal conveyance means so as to be able to switch between forward and reverse rotations is provided. The vertical conveyance drive shaft 63 is driven by the vertical conveyance drive electric motor 92. The vertical conveying chain 34 is driven via the.
また、横伝動軸41の左端側に左搬送駆動軸69を連結している。左搬送駆動軸69を介して、左株元搬送チェン33L及び左穂先搬送タイン37Lと、左スターホイル30L及び左掻込ベルト31Lとを駆動するように構成している。また、横伝動軸41に中央搬送駆動軸75を連結し、中央搬送駆動軸75を介して、中央株元搬送チェン33C及び中央穂先搬送タイン37Cと、中央スターホイル30C及び中央掻込ベルト31Cとを駆動するように構成している。   Further, a left transport drive shaft 69 is connected to the left end side of the lateral transmission shaft 41. The left stock former transfer chain 33L and the left tip transfer tine 37L, the left star wheel 30L, and the left take-up belt 31L are driven via the left transfer drive shaft 69. Further, the central transmission drive shaft 75 is connected to the lateral transmission shaft 41, and the central stock transport chain 33C and the central tip transport tine 37C, the central star wheel 30C, and the central scraping belt 31C are connected via the central transport drive shaft 75. Is configured to be driven.
次に、図1及び図2を参照して、脱穀装置5の構造を説明する。図1及び図2に示されるように、脱穀装置5には、穀稈脱穀用の扱胴226と、扱胴226の下方に落下する脱粒物を選別する揺動選別盤227及び唐箕ファン228と、扱胴226の後部から取出される脱穀排出物を再処理する処理胴229と、揺動選別盤227の後部の排塵を排出する排塵ファン230とが備えられている。なお、扱胴226の回転軸芯線は、フィードチェン6による穀稈の搬送方向(換言すると走行機体1の進行方向)に沿って延びている。刈取装置3から穀稈搬送装置224によって搬送された穀稈の株元側は、フィードチェン6に受け継がれて挟持搬送される。そして、この穀稈の穂先側が脱穀装置5の扱室内に搬入されて扱胴226にて脱穀されることになる。   Next, with reference to FIG.1 and FIG.2, the structure of the threshing apparatus 5 is demonstrated. As shown in FIG. 1 and FIG. 2, the threshing device 5 includes a handling cylinder 226 for threshing threshing, a rocking sorter 227 that sorts the shed matter falling below the handling cylinder 226, and a tang fan 228. A processing cylinder 229 that reprocesses the threshing waste taken out from the rear part of the handling cylinder 226 and a dust exhaust fan 230 that discharges dust at the rear part of the swing sorter 227 are provided. In addition, the rotating shaft core line of the handling cylinder 226 extends along the conveying direction of the cereal by the feed chain 6 (in other words, the traveling direction of the traveling machine body 1). The stock source side of the corn straw conveyed from the reaping device 3 by the corn straw conveying device 224 is inherited by the feed chain 6 and is nipped and conveyed. Then, the tip side of the cereal cocoon is carried into the handling chamber of the threshing device 5 and threshed by the handling drum 226.
揺動選別盤227の下方側には、揺動選別盤227にて選別された穀粒(一番物)を取出す一番コンベヤ231と、枝梗付き穀粒等の二番物を取出す二番コンベヤ232とが設けられている。本実施形態の両コンベヤ231,232は、走行機体1の進行方向前側から一番コンベヤ231、二番コンベヤ232の順で、側面視において走行クローラ2の後部上方の走行機体1の上面側に横設されている。   On the lower side of the swing sorter 227, a first conveyor 231 that takes out the grain (first thing) sorted by the swing sorter 227, and a second that takes out a second thing such as a grain with a branch raft. A conveyor 232 is provided. The two conveyors 231 and 232 of this embodiment are arranged in the order from the front side in the traveling direction of the traveling machine body 1 to the upper surface side of the traveling machine body 1 above the rear part of the traveling crawler 2 in a side view in order of the first conveyor 231 and the second conveyor 232. It is installed.
揺動選別盤227は、扱胴226の下方に張設された受網237から漏下した脱穀物が、フィードパン238及びチャフシーブ239によって搖動選別(比重選別)されるように構成している。揺動選別盤227から落下した穀粒は、その穀粒中の粉塵が唐箕ファン228からの選別風によって除去され、一番コンベヤ231に落下することになる。一番コンベヤ231のうち脱穀装置5における穀粒タンク7寄りの一側壁(実施形態では右側壁)から外向きに突出した終端部には、上下方向に延びる揚穀コンベヤ233が連通接続されている。一番コンベヤ231から取出された穀粒は、揚穀コンベヤ233を介して穀粒タンク7に搬入され、穀粒タンク7に収集されることになる。なお、穀粒タンク7の後面の傾斜に沿わせて、揚穀コンベヤ233の上端側が後方に傾斜する後傾姿勢で、穀粒タンク7の後方に揚穀コンベヤ233が立設されている。   The swing sorter 227 is configured such that the cereals that have leaked from the receiving net 237 stretched below the handling cylinder 226 are peristally sorted (specific gravity sorting) by the feed pan 238 and the chaff sheave 239. The grains falling from the rocking sorter 227 are removed by the sorting air from the red pepper fan 228, and fall first on the conveyor 231. A cereal conveyor 233 extending in the vertical direction is connected to a terminal portion of the first conveyor 231 that protrudes outward from one side wall (right side wall in the embodiment) of the threshing device 5 near the grain tank 7. . The grain taken out first from the conveyor 231 is carried into the grain tank 7 via the cereal conveyor 233 and collected in the grain tank 7. In addition, along the inclination of the rear surface of the grain tank 7, the raising conveyor 233 is erected on the rear side of the grain tank 7 in a backward inclined posture in which the upper end side of the raising conveyor 233 is inclined backward.
また、揺動選別盤227は、搖動選別(比重選別)によってチャフシーブ239から枝梗付き穀粒等の二番物を二番コンベヤ232に落下させるように構成している。チャフシーブ239の下方に落下する二番物を風選する選別ファン241を備える。チャフシーブ239から落下した二番物は、その穀粒中の粉塵及び藁屑が選別ファン241からの選別風によって除去され、二番コンベヤ232に落下することになる。二番コンベヤ232のうち脱穀装置5における穀粒タンク7寄りの一側壁から外向きに突出した終端部は、揚穀コンベヤ233と交差して前後方向に延びる還元コンベヤ236を介して、フィードパン238の上面側に連通接続され、二番物をフィードパン238の上面側に戻して再選別するように構成している。   Further, the swing sorter 227 is configured to drop a second thing such as a grain with a branch infarction from the chaff sheave 239 onto the second conveyor 232 by peristaltic sorting (specific gravity sorting). A sorting fan 241 for wind-selecting the second thing falling below the chaff sheave 239 is provided. As for the second thing that has fallen from the chaff sheave 239, dust and swarf in the grain are removed by the sorting air from the sorting fan 241 and dropped onto the second conveyor 232. The terminal portion of the second conveyor 232 that protrudes outward from one side wall near the grain tank 7 in the threshing device 5 crosses the cereal conveyor 233 and extends in the front-rear direction through the feed conveyor 238. The second item is returned to the upper surface side of the feed pan 238 and re-sorted.
一方、フィードチェン6の後端側(送り終端側)には、排藁チェン234が配置されている。フィードチェン6の後端側から排藁チェン234に受け継がれた排藁(穀粒が脱粒された稈)は、長い状態で走行機体1の後方に排出されるか、又は脱穀装置5の後方側に設けた排藁カッタ235にて適宜長さに短く切断されたのち、走行機体1の後方下方に排出されることになる。   On the other hand, a waste chain 234 is disposed on the rear end side (feed end side) of the feed chain 6. The slag passed from the rear end side of the feed chain 6 to the sewage chain 234 (the slag from which the grain has been threshed) is discharged to the rear of the traveling machine body 1 in a long state, or the rear side of the threshing device 5 After being cut to a suitable length by the waste cutter 235 provided on the rear, the machine is discharged to the lower rear side of the traveling machine body 1.
次に、図5及び図6を参照しながら、刈取装置3、脱穀装置5、フィードチェン6、排藁チェン234、排藁カッタ235等の駆動構造について説明する。図5及び図6に示されるように、エンジン14の前側及び後側にその出力軸70を突出する。エンジン14の前側の出力軸70に自在継手83を介してミッションケース71の走行入力軸84を連結し、エンジン14の回転駆動力が、前側の出力軸70からミッションケース71に伝達されて変速された後、左右の車軸72を介して左右の走行クローラ2に伝達され、左右の走行クローラ2がエンジン14の回転力によって駆動されるように構成している。   Next, the drive structure of the reaping device 3, the threshing device 5, the feed chain 6, the waste chain 234, the waste cutter 235, etc. will be described with reference to FIGS. As shown in FIGS. 5 and 6, the output shaft 70 projects from the front side and the rear side of the engine 14. The traveling input shaft 84 of the transmission case 71 is connected to the output shaft 70 on the front side of the engine 14 via a universal joint 83, and the rotational driving force of the engine 14 is transmitted from the front output shaft 70 to the transmission case 71 for shifting. After that, the left and right traveling crawlers 2 are transmitted to the left and right traveling crawlers 2 via the left and right axles 72, and the left and right traveling crawlers 2 are driven by the rotational force of the engine 14.
図5に示されるように、エンジン14を冷却するためのラジエータ用の冷却ファン73と、上述した電動モータ92等を作動させるための電源を供給する発電機89とを備える。エンジン14の後側の出力軸70に、冷却ファン73を軸支したファン駆動軸88が連結されている。ファン駆動軸88には、発電機89の入力軸が連結されている。エンジン14の回転駆動力によって、冷却ファン73及び発電機89が駆動されるように構成している。また、エンジン14の後側の出力軸70に排出オーガ駆動軸76を連結し、エンジン21からの回転駆動力によって排出オーガ駆動軸76を介して排出オーガ8が駆動され、穀粒タンク7内の穀粒がコンテナ等に排出されるように構成している。   As shown in FIG. 5, a radiator cooling fan 73 for cooling the engine 14 and a generator 89 for supplying power for operating the above-described electric motor 92 and the like are provided. A fan drive shaft 88 that supports a cooling fan 73 is connected to the output shaft 70 on the rear side of the engine 14. The fan drive shaft 88 is connected to the input shaft of the generator 89. The cooling fan 73 and the generator 89 are driven by the rotational driving force of the engine 14. In addition, a discharge auger drive shaft 76 is connected to the output shaft 70 on the rear side of the engine 14, and the discharge auger 8 is driven via the discharge auger drive shaft 76 by the rotational drive force from the engine 21, The grain is configured to be discharged into a container or the like.
また、扱胴226及び処理胴230にエンジン14からの回転駆動力を伝える脱穀駆動軸77を備える。エンジン14の後側の出力軸70には、テンションローラ形脱穀クラッチ78及び脱穀駆動ベルト79を介して、脱穀駆動軸77が連結されている。脱穀駆動軸77には、扱胴226を軸支した扱胴軸80と、処理胴230を軸支した処理胴軸81とが連結されている。エンジン14の略一定回転数の回転力によって、扱胴226及び処理胴230が略一定回転数で回転するように構成している。また、脱穀駆動軸77に選別入力軸82が連結されている。エンジン14の略一定回転数の回転力によって、選別入力軸82を介して、揺動選別盤227、唐箕ファン228、一番コンベヤ231、二番コンベヤ232、選別ファン241、排塵ファン230が略一定回転数で回転するように構成している。   Further, a threshing drive shaft 77 that transmits the rotational driving force from the engine 14 to the handling cylinder 226 and the processing cylinder 230 is provided. A threshing drive shaft 77 is connected to the output shaft 70 on the rear side of the engine 14 via a tension roller type threshing clutch 78 and a threshing drive belt 79. The threshing drive shaft 77 is connected to a handling cylinder shaft 80 that supports the processing cylinder 226 and a processing cylinder shaft 81 that supports the processing cylinder 230. The handling cylinder 226 and the processing cylinder 230 are configured to rotate at a substantially constant rotational speed by the rotational force of the engine 14 at a substantially constant rotational speed. A sorting input shaft 82 is connected to the threshing drive shaft 77. Due to the rotational force of the engine 14 at a substantially constant rotational speed, the swinging sorter 227, the Kara fan 228, the first conveyor 231, the second conveyor 232, the sorting fan 241, and the dust exhaust fan 230 are substantially passed through the sorting input shaft 82. It is configured to rotate at a constant rotational speed.
図6に示す如く、ミッションケース71内に、1対の走行油圧ポンプ及び走行油圧モータを有する走行主変速用の油圧式無段変速機構96と、1対の旋回油圧ポンプ及び旋回油圧モータを有する旋回用の油圧式無段変速機構97とを設けている。走行主変速用の油圧式無段変速機構96の走行油圧ポンプと、旋回用の油圧式無段変速機構97の旋回油圧ポンプとは、ミッションケース71の走行入力軸84に連結させてそれぞれ駆動するように構成している。ミッションケース71にPTO軸98を配置する。PTO軸98は、走行主変速用の油圧式無段変速機構96の走行油圧モータによって駆動される。ミッションケース71からこの左外側にPTO軸98の一端側を突設させている。   As shown in FIG. 6, the transmission case 71 has a hydraulic continuously variable transmission mechanism 96 for traveling main transmission having a pair of traveling hydraulic pumps and traveling hydraulic motors, and a pair of swing hydraulic pumps and swing hydraulic motors. A hydraulic continuously variable transmission mechanism 97 for turning is provided. The traveling hydraulic pump of the hydraulic continuously variable transmission mechanism 96 for traveling main transmission and the swing hydraulic pump of the swinging hydraulic continuously variable transmission mechanism 97 are connected to the traveling input shaft 84 of the transmission case 71 and driven. It is configured as follows. A PTO shaft 98 is disposed on the mission case 71. The PTO shaft 98 is driven by a traveling hydraulic motor of a hydraulic continuously variable transmission mechanism 96 for traveling main transmission. One end side of the PTO shaft 98 protrudes from the transmission case 71 to the left outer side.
図6に示す如く、エンジン14の左側方で、脱穀装置5の前側方の走行機体1上に、カウンタギヤケース99を設けている。カウンタギヤケース99には、上述した脱穀駆動軸77と、脱穀駆動軸77に連結する選別入力軸82と、PTO軸98に連結する車速同調軸100と、選別入力軸82又は車速同調軸100に連結する刈取伝動軸101と、刈取り入力軸17に連結する刈取駆動軸102と、フィードチェン6を駆動するフィードチェン駆動軸103とを配置している。   As shown in FIG. 6, on the left side of the engine 14, a counter gear case 99 is provided on the traveling machine body 1 on the front side of the threshing device 5. The counter gear case 99 is connected to the threshing drive shaft 77, the selection input shaft 82 connected to the threshing drive shaft 77, the vehicle speed tuning shaft 100 connected to the PTO shaft 98, and the selection input shaft 82 or the vehicle speed tuning shaft 100. A mowing transmission shaft 101, a mowing driving shaft 102 connected to the mowing input shaft 17, and a feed chain driving shaft 103 that drives the feed chain 6 are arranged.
図6に示す如く、カウンタギヤケース99内の車速同調軸100上に、車速同調軸100の車速同調回転力を伝える一方向クラッチ105を設ける。車速同調軸100に、刈取変速機構108と一方向クラッチ105とを介して、刈取伝動軸101を連結する。刈取変速機構108は、低速側変速ギヤ106と高速側変速ギヤ107とを有する。低速及び中立(零回転)及び高速の各刈取変速を行う刈取変速操作手段(図示省略)によって低速側変速ギヤ106又は高速側変速ギヤ107を刈取伝動軸101に択一的に係合させ、車速同調軸100から刈取変速機構108を介して刈取伝動軸101に刈取変速出力を伝えるように構成している。   As shown in FIG. 6, a one-way clutch 105 that transmits the vehicle speed tuning rotational force of the vehicle speed tuning shaft 100 is provided on the vehicle speed tuning shaft 100 in the counter gear case 99. A cutting transmission shaft 101 is coupled to the vehicle speed tuning shaft 100 via a cutting transmission mechanism 108 and a one-way clutch 105. The cutting transmission mechanism 108 includes a low speed side transmission gear 106 and a high speed side transmission gear 107. The low speed side transmission gear 106 or the high speed side transmission gear 107 is selectively engaged with the cutting transmission shaft 101 by a cutting speed change operation means (not shown) for performing low speed, neutral (zero rotation) and high speed cutting speed changes. The tuning shaft 100 is configured to transmit a cutting shift output to the cutting transmission shaft 101 via the cutting transmission mechanism 108.
図6に示す如く、選別入力軸82に一定回転機構111を介して刈取伝動軸101を連結する。一定回転機構111は、低速側一定回転ギヤ109と高速側一定回転ギヤ110とを有する。刈取伝動軸101にトルクリミッタ104を介して刈取駆動軸102を連結する。刈取作業の維持に必要な一定回転数の回転出力が低速側一定回転ギヤ109を介して選別入力軸82から刈取伝動軸101に伝達されることになる。したがって、走行機体1の移動速度に関係なく、低速側一定回転ギヤ109からの一定回転数で刈取り入力軸17を作動させて刈取作業を維持でき、圃場の枕地での方向転換作業性等を向上できる。   As shown in FIG. 6, the cutting transmission shaft 101 is connected to the selection input shaft 82 via the constant rotation mechanism 111. The constant rotation mechanism 111 includes a low speed side constant rotation gear 109 and a high speed side constant rotation gear 110. A cutting drive shaft 102 is connected to the cutting transmission shaft 101 via a torque limiter 104. A rotation output at a constant rotational speed necessary for maintaining the cutting operation is transmitted from the sorting input shaft 82 to the cutting transmission shaft 101 through the low-speed constant rotation gear 109. Therefore, the cutting input shaft 17 can be operated at a constant rotational speed from the low-speed constant rotating gear 109 regardless of the moving speed of the traveling machine body 1 to maintain the cutting operation, and the direction change workability on the headland in the field can be improved. It can be improved.
また、車速同調軸100及び高速側変速ギヤ107からの車速同調出力の最高速よりも早い一定回転数の回転出力が高速側一定回転ギヤ110を介して選別入力軸82から刈取伝動軸101に伝達されることになる。したがって、車速同調出力の最高速よりも早い高速側一定回転ギヤ110からの一定回転数で刈取り入力軸17を作動でき、倒伏穀稈の刈取り作業性等を向上できる。なお、トルクリミッタ104によって設定したトルク以下の回転力で刈取り入力軸17が作動して、刈刃32等が損傷するのを防止している。   Further, a rotation output at a constant rotational speed that is faster than the maximum speed of the vehicle speed synchronization output from the vehicle speed tuning shaft 100 and the high speed side transmission gear 107 is transmitted from the sorting input shaft 82 to the cutting transmission shaft 101 via the high speed side constant rotation gear 110. Will be. Therefore, the cutting input shaft 17 can be operated at a constant rotational speed from the high-speed side constant rotating gear 110 that is faster than the maximum speed of the vehicle speed synchronization output, and the efficiency of cutting the fallen cedar can be improved. It is to be noted that the cutting input shaft 17 is actuated by a rotational force equal to or less than the torque set by the torque limiter 104 to prevent the cutting blade 32 and the like from being damaged.
カウンタギヤケース99には、選別入力軸82にフィードチェン駆動軸103を連結する遊星ギヤ形変速構造のフィードチェン同調機構112が設けられている。選別入力軸82の回転出力が、フィードチェン同調機構112によって刈取伝動軸101の回転数に比例して変速されて、フィードチェン駆動軸103に伝達されることになる。即ち、フィードチェン同調機構112を介してフィードチェン6を作動することによって、穀稈の搬送に必要な最低回転数(低速側一定回転ギヤ109からの一定回転数)を確保し乍ら、フィードチェン6の穀稈搬送速度を車速と同調させて変更可能に構成している。   The counter gear case 99 is provided with a feed chain tuning mechanism 112 having a planetary gear type transmission structure that connects the feed chain drive shaft 103 to the selection input shaft 82. The rotational output of the sorting input shaft 82 is shifted in proportion to the rotational speed of the cutting transmission shaft 101 by the feed chain tuning mechanism 112 and transmitted to the feed chain drive shaft 103. That is, by operating the feed chain 6 via the feed chain tuning mechanism 112, the feed chain is secured while ensuring the minimum rotational speed (constant rotational speed from the low-speed constant rotational gear 109) necessary for conveying the cereal. The cereal conveyance speed of 6 can be changed in synchronization with the vehicle speed.
次に、本実施形態の穀稈搬送手段としての縦搬送チェン34の搬送速度制御について説明する。図7は、縦搬送チェン34の搬送速度制御手段の機能ブロック図であり、制御プログラムを記憶したROMと各種データを記憶したRAMとを有するマイクロコンピュータ等の作業コントローラ282を備えている。図7に示されるように、マイクロコンピュータで構成する作業コントローラ282の入力側には、脱穀装置5の駆動等を検出する作業スイッチ273と、穀稈引起装置223の穀稈(未刈リ穀稈)又は穀稈搬送装置224の穀稈(刈取穀稈)を検出する穀稈センサ287と、走行機体1の移動速度を検出する車速センサ285と、刈取り入力軸17の回転数を検出する刈取り回転センサ288と、縦搬送駆動用電動モータ92の出力回転数(縦搬送チェン34の作動速度)を無段階に調節する搬送速度設定ダイヤル262と、縦搬送駆動用電動モータ92の最低出力回転数(縦搬送チェン34の最低作動速度)を設定する最低回転数設定器としての低速回転設定器266と、縦搬送駆動用電動モータ92の最高出力回転数(縦搬送チェン34の最高作動速度)を設定する最高回転数設定器としての高速回転設定器267と、縦搬送駆動用電動モータ92の出力回転数を検出する縦搬送回転センサ312と、補助搬送駆動用電動モータ93の出力回転数を検出する補助搬送回転センサ313とを接続している。   Next, the conveyance speed control of the vertical conveyance chain 34 as the cereal conveyance means of this embodiment will be described. FIG. 7 is a functional block diagram of the conveyance speed control means of the vertical conveyance chain 34, and includes a work controller 282 such as a microcomputer having a ROM storing a control program and a RAM storing various data. As shown in FIG. 7, on the input side of the work controller 282 configured by a microcomputer, a work switch 273 that detects the driving of the threshing device 5 and the like, and the cereal of the culm pulling device 223 ) Or the culm sensor 287 for detecting the culm (harvested culm) of the culm transporting device 224, the vehicle speed sensor 285 for detecting the moving speed of the traveling machine body 1, and the mowing rotation for detecting the rotational speed of the mowing input shaft 17. Sensor 288, conveyance speed setting dial 262 that adjusts the output rotation speed of the vertical conveyance drive electric motor 92 (operation speed of the vertical conveyance chain 34) steplessly, and the minimum output rotation speed of the vertical conveyance drive electric motor 92 ( A low speed rotation setting device 266 as a minimum rotation number setting device for setting a minimum operation speed of the vertical conveyance chain 34, and a maximum output rotation number (vertical conveyance chain 34) of the electric motor 92 for vertical conveyance driving. A high-speed rotation setting device 267 as a maximum rotation number setting device for setting the maximum operation speed), a vertical conveyance rotation sensor 312 for detecting an output rotation number of the vertical conveyance driving electric motor 92, and an auxiliary conveyance driving electric motor 93. An auxiliary conveyance rotation sensor 313 that detects the output rotation speed is connected.
図7に示す如く、作業コントローラ282の出力側には、縦搬送駆動用電動モータ92を作動する縦搬送ドライバ302と、補助搬送駆動用電動モータ93を作動する補助搬送ドライバ303とを接続している。エンジン14によって駆動する発電機89に、縦搬送駆動用電動モータ92及び縦搬送ドライバ302を接続させ、発電機89を電源として、縦搬送駆動用電動モータ92を作動可能に構成している。また、補助搬送駆動用電動モータ93及び補助搬送ドライバ303を発電機89に接続させ、発電機89を電源として、補助搬送駆動用電動モータ93を作動可能に構成している。   As shown in FIG. 7, on the output side of the work controller 282, a vertical conveyance driver 302 for operating the vertical conveyance drive electric motor 92 and an auxiliary conveyance driver 303 for operating the auxiliary conveyance drive electric motor 93 are connected. Yes. An electric motor 92 for vertical conveyance driving and a vertical conveyance driver 302 are connected to a generator 89 driven by the engine 14, and the electric motor 92 for vertical conveyance driving is configured to be operable by using the generator 89 as a power source. Further, the auxiliary transport driving electric motor 93 and the auxiliary transport driver 303 are connected to the generator 89, and the auxiliary transport driving electric motor 93 is configured to be operable by using the generator 89 as a power source.
即ち、刈取り回転センサ288の検出結果と、搬送速度設定ダイヤル262の設定値とに基づき、縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93の出力回転数がそれぞれ自動制御される。その縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93の出力回転数を自動制御中、オペレータが搬送速度設定ダイヤル262を手動操作し、縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93の出力回転数をそれぞれ変更して、縦搬送チェン34の搬送速度や補助株元搬送チェン35,36の搬送速度を調整可能に構成している。前記自動制御は、低速回転設定器266によって設定された最低回転数と、高速回転設定器267によって設定された最高回転数との間で、縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93の出力回転数をそれぞれ関連させて変更可能に構成している。したがって、縦搬送駆動用電動モータ92の出力回転数と、補助搬送駆動用電動モータ93の出力回転数とは、同調して変更されることになる。   That is, based on the detection result of the cutting rotation sensor 288 and the set value of the conveyance speed setting dial 262, the output rotation speeds of the vertical conveyance driving electric motor 92 and the auxiliary conveyance driving electric motor 93 are automatically controlled. While the output rotation speeds of the vertical transport driving electric motor 92 and the auxiliary transport driving electric motor 93 are automatically controlled, the operator manually operates the transport speed setting dial 262 so that the vertical transport driving electric motor 92 and the auxiliary transport driving electric motor are operated. By changing the output rotation speed of the motor 93, the conveyance speed of the vertical conveyance chain 34 and the conveyance speed of the auxiliary stock former conveyance chains 35 and 36 can be adjusted. The automatic control is performed between the minimum rotation speed set by the low speed rotation setting device 266 and the maximum rotation speed set by the high speed rotation setting device 267, and the vertical conveyance driving electric motor 92 and the auxiliary conveyance driving electric motor. The output rotation speeds of 93 are associated with each other and can be changed. Therefore, the output rotational speed of the vertical transport driving electric motor 92 and the output rotational speed of the auxiliary transport driving electric motor 93 are changed in synchronization.
また、図7に示されるように、縦搬送チェン34や補助株元搬送チェン35,36を介して脱穀装置5に供給される穀稈の稈長を検出する稈長センサ289が、作業コントローラ282の入力側に接続されている。縦搬送チェン34の姿勢を変更する扱深さ調節モータ94が、作業コントローラ282の出力側に接続されている。即ち、縦搬送チェン34の送り終端側と、フィードチェン6の送り始端側との間の穀稈受継部において、稈長センサ289の長短稈検出結果に基づき扱深さ調節モータ94が正転又は逆転作動し、扱深さ調節モータ94によって縦搬送チェン34の送り終端側を、穀稈の稈長方向に移動させ、脱穀装置5に内挿する穀稈の穂先側の長さを一定に維持する扱深さ制御が実行される(図4参照)。その扱深さ制御によって、縦搬送チェン34の送り終端側が左右方向に移動して、走行機体1の内外に出入することになる。縦搬送チェン34の送り終端側は、穀稈が長稈のときに走行機体1の外側方に向けて突出し、穀稈が短稈のときに走行機体1の内側方に退入する。   Further, as shown in FIG. 7, a culm length sensor 289 that detects the culm length of the culm supplied to the threshing device 5 through the vertical transport chain 34 and the auxiliary stock former transport chains 35 and 36 is input to the work controller 282. Connected to the side. A handling depth adjustment motor 94 that changes the posture of the vertical conveyance chain 34 is connected to the output side of the work controller 282. That is, at the grain culm inheriting portion between the feed end side of the vertical conveying chain 34 and the feed start end side of the feed chain 6, the handling depth adjusting motor 94 is rotated forward or reverse based on the detection result of the cocoon length sensor 289. Operates and moves the feed end side of the vertical conveying chain 34 by the handling depth adjusting motor 94 in the cocoon length direction of the cereal and maintains the length of the tip side of the culm inserted in the threshing device 5 at a constant level. Depth control is performed (see FIG. 4). With the handling depth control, the feed end side of the vertical conveyance chain 34 moves in the left-right direction, and enters and leaves the traveling machine body 1. The feed end side of the vertical conveying chain 34 protrudes toward the outside of the traveling machine body 1 when the culm is long and retreats toward the inside of the traveling machine 1 when the culm is short.
なお、一定回転数で常に駆動して脱穀・選別性能を維持する必要がある脱穀装置5を備えた構造、換言すると、エンジン14からの一定回転数の出力が脱穀装置5に伝達される伝動構造において、最高出力状態で略一定回転数を維持するようにエンジン14が運転されるから、そのエンジン14からの出力によって発電機89を最適な回転数で駆動できる。即ち、縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93の作動に必要な発電機89の適正出力が確実に維持されることによって、圃場に植立した穀稈の株元の切断に適した一定回転数で縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93を作動できる。   In addition, the structure provided with the threshing device 5 which needs to be always driven at a constant rotational speed to maintain the threshing / sorting performance, in other words, the transmission structure in which the output of the constant rotational speed from the engine 14 is transmitted to the threshing device 5. Therefore, since the engine 14 is operated so as to maintain a substantially constant rotational speed at the maximum output state, the generator 89 can be driven at an optimal rotational speed by the output from the engine 14. That is, the proper output of the generator 89 necessary for the operation of the vertical transfer driving electric motor 92 and the auxiliary transfer driving electric motor 93 is reliably maintained, thereby cutting the stock of the cereal planted in the field. The electric motor 92 for longitudinal conveyance driving and the electric motor 93 for auxiliary conveyance driving can be operated at a suitable constant rotational speed.
次に、図8は搬送速度制御のフローチャートである。図8を参照して、縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93を作動する刈取穀稈の搬送作業を説明する。作業スイッチ273がオンで(S1yes)、穀稈センサ287がオンのときに(S2yes)、車速センサ285の検出値と、刈取り回転センサ288の検出値と、搬送速度設定ダイヤル262の設定値とが読み込まれる(S3)。車速センサ285の検出値と、刈取り回転センサ288の検出値と、搬送速度設定ダイヤル262の設定値とから縦搬送チェン34の搬送速度(車速同調速度)が演算される(S4)。したがって、オペレータが搬送速度設定ダイヤル262を手動操作して、縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93の回転数を任意に変更できる。例えば圃場に倒伏している穀稈の刈取り作業等の特別な条件下の刈取り作業であっても、それに適応した速度で縦搬送チェン34及び補助搬送チェン35,36(後穂先搬送タイン38)を作動できる。   Next, FIG. 8 is a flowchart of the conveyance speed control. With reference to FIG. 8, the conveying operation | work of the harvested grain mash which operates the electric motor 92 for a vertical conveyance drive and the electric motor 93 for an auxiliary conveyance drive is demonstrated. When the work switch 273 is on (S1yes) and the grain sensor 287 is on (S2yes), the detected value of the vehicle speed sensor 285, the detected value of the cutting rotation sensor 288, and the set value of the conveyance speed setting dial 262 are Read (S3). The conveyance speed (vehicle speed synchronization speed) of the vertical conveyance chain 34 is calculated from the detection value of the vehicle speed sensor 285, the detection value of the cutting rotation sensor 288, and the setting value of the conveyance speed setting dial 262 (S4). Therefore, the operator can manually change the conveyance speed setting dial 262 to arbitrarily change the rotation speeds of the vertical conveyance drive electric motor 92 and the auxiliary conveyance drive electric motor 93. For example, even in a cutting operation under special conditions such as a cutting operation of cereals lying in the field, the vertical transfer chain 34 and the auxiliary transfer chains 35 and 36 (the rear tip transfer tine 38) are moved at a speed adapted to the cutting operation. Can operate.
また、圃場に植立した穀稈を刈取る刈取作業中、走行機体1の移動速度が加速されることによって、刈取り回転センサ288によって検出される刈取り入力軸17の回転数が増大する。その場合、縦搬送回転センサ312によって検出される縦搬送駆動用電動モータ92の出力回転数、又は補助搬送回転センサ313によって検出される補助搬送駆動用電動モータ93の出力回転数が、刈取り入力軸17の回転数よりも相対的に低くなり、縦搬送チェン34及び補助搬送チェン35,36によって搬送される穀稈の株元側が遅れてその穂先側が先行した搬送姿勢になる。逆に、走行機体1の移動速度が減速されることによって、縦搬送駆動用電動モータ92又は補助搬送駆動用電動モータ93の出力回転数が、刈取り入力軸17の回転数よりも相対的に高くなった場合、縦搬送チェン34及び補助搬送チェン35,36によって搬送される穀稈の株元側が先行してその穂先側が遅れる搬送姿勢になる。   Further, during the harvesting operation for harvesting the cereals planted in the farm field, the rotational speed of the harvesting input shaft 17 detected by the harvesting rotation sensor 288 increases as the moving speed of the traveling machine body 1 is accelerated. In this case, the output rotation speed of the vertical conveyance driving electric motor 92 detected by the vertical conveyance rotation sensor 312 or the output rotation speed of the auxiliary conveyance driving electric motor 93 detected by the auxiliary conveyance rotation sensor 313 is determined by the cutting input shaft. It becomes relatively lower than the number of revolutions of 17, and the stock side of the grain straw transported by the vertical transport chain 34 and the auxiliary transport chains 35 and 36 is delayed, and the tip side is in a transport posture leading. On the contrary, when the traveling speed of the traveling machine body 1 is reduced, the output rotational speed of the vertical transport driving electric motor 92 or the auxiliary transport driving electric motor 93 is relatively higher than the rotational speed of the cutting input shaft 17. When it becomes, it will be in the conveyance attitude | position which the stock side of the grain straw conveyed by the vertical conveyance chain 34 and the auxiliary conveyance chains 35 and 36 precedes, and the tip side delays.
縦搬送回転センサ312(及び補助搬送回転センサ313)の検出値を読み込み(S5)、ステップ4で演算された縦搬送チェン34(及び補助搬送チェン35,36)の搬送速度と、縦搬送回転センサ312(補助搬送回転センサ313)の検出値(実際の搬送速度)とを比較して、縦搬送チェン34の搬送速度を増速作動すべきか(S6)、縦搬送チェン34の搬送速度を減速作動すべきか(S11)を判断する。縦搬送チェン34及び補助搬送チェン35,36の搬送速度を増速作動すべきと判断されたときに(S6yes)、縦搬送チェン34及び補助搬送チェン35,36の搬送速度を増速作動する増速制御が実行される(S7)。その結果、走行機体1の移動速度に比例して縦搬送チェン34及び補助搬送チェン35,36の搬送速度が加速され、車速と同調した速度で縦搬送チェン34及び補助搬送チェン35,36を作動でき、走行機体1の移動速度に比べて縦搬送チェン34及び補助搬送チェン35,36の搬送速度が遅くなりすぎることがなく、縦搬送チェン34及び補助搬送チェン35,36によって搬送される穀稈の姿勢が、株元側が遅れて穂先側が先行することがなく、搬送途中での穀稈の詰り又は搬送中の穀稈の搬送姿勢の乱れ等を防止でき、縦搬送チェン34及び補助搬送チェン35,36の搬送性能を向上できる。   The detection value of the vertical conveyance rotation sensor 312 (and auxiliary conveyance rotation sensor 313) is read (S5), the conveyance speed of the vertical conveyance chain 34 (and auxiliary conveyance chains 35 and 36) calculated in step 4 and the vertical conveyance rotation sensor. Whether the conveyance speed of the vertical conveyance chain 34 should be increased (S6) by comparing with the detected value (actual conveyance speed) of the 312 (auxiliary conveyance rotation sensor 313), or the conveyance speed of the vertical conveyance chain 34 is decelerated. Judgment is made (S11). When it is determined that the transport speed of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 should be increased (S6yes), the transport speed of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 is increased. Speed control is executed (S7). As a result, the transport speed of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 is accelerated in proportion to the moving speed of the traveling machine 1, and the vertical transport chain 34 and the auxiliary transport chains 35 and 36 are operated at a speed synchronized with the vehicle speed. In addition, the transport speed of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 does not become too slow compared with the moving speed of the traveling machine body 1, and the cereals transported by the vertical transport chain 34 and the auxiliary transport chains 35 and 36 Therefore, the stocker side is not delayed and the tip side is not preceded, so that clogging of the cereals in the middle of transportation or disturbance of the transportation posture of the cereals during transportation can be prevented, and the vertical transportation chain 34 and the auxiliary transportation chain 35 are prevented. , 36 can be improved.
上述の増速制御(S7)によって縦搬送チェン34及び補助搬送チェン35,36の搬送速度が増速された場合、高速回転設定器267の縦搬送チェン34及び補助搬送チェン35,36の最高作動速度設定値を読み込む(S8)。縦搬送チェン34及び補助搬送チェン35,36の搬送速度が高速回転設定器267の最高作動速度設定値と一致して、縦搬送チェン34及び補助搬送チェン35,36が高速作動していると判断されたときに(S9yes)、縦搬送チェン34及び補助搬送チェン35,36の一定回転制御が実行される(S10)。走行機体1の移動速度(車速)がさらに増速されても、縦搬送チェン34及び補助搬送チェン35,36の一定回転制御(S10)によって、高速回転設定器267の設定値に縦搬送チェン34及び補助搬送チェン35,36の搬送速度が維持される。即ち、高速回転設定器267によって設定された回転数以下の速度で縦搬送チェン34及び補助搬送チェン35,36を作動するように構成したものであるから、走行機体1の移動速度(車速)が極めて高速のときにも、縦搬送チェン34及び補助搬送チェン35,36の搬送速度が速くなりすぎることがなく、縦搬送チェン34(縦搬送駆動用電動モータ92)及び補助搬送チェン35,36(補助搬送駆動用電動モータ93)が過負荷の状態で作動するのを防止でき、穀稈の搬送姿勢の乱れ又は縦搬送チェン34及び補助搬送チェン35,36の損傷等を低減できる。   When the transport speed of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 is increased by the speed increasing control (S7), the maximum operation of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 of the high-speed rotation setting device 267 is achieved. The speed set value is read (S8). It is determined that the vertical transfer chain 34 and the auxiliary transfer chains 35 and 36 are operating at high speed because the transfer speeds of the vertical transfer chain 34 and the auxiliary transfer chains 35 and 36 coincide with the maximum operating speed set value of the high-speed rotation setting device 267. When this is done (S9yes), constant rotation control of the vertical transfer chain 34 and the auxiliary transfer chains 35, 36 is executed (S10). Even if the traveling speed (vehicle speed) of the traveling machine body 1 is further increased, the vertical conveyance chain 34 is set to the set value of the high-speed rotation setting device 267 by the constant rotation control (S10) of the vertical conveyance chain 34 and the auxiliary conveyance chains 35 and 36. In addition, the conveyance speed of the auxiliary conveyance chains 35 and 36 is maintained. That is, since the vertical conveyance chain 34 and the auxiliary conveyance chains 35 and 36 are operated at a speed equal to or lower than the rotation speed set by the high-speed rotation setting device 267, the traveling speed (vehicle speed) of the traveling machine body 1 is increased. Even at an extremely high speed, the transport speed of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 does not become too high, and the vertical transport chain 34 (vertical transport driving electric motor 92) and the auxiliary transport chains 35 and 36 ( It is possible to prevent the auxiliary transport driving electric motor 93) from operating in an overloaded state, and to reduce disturbances in the transport posture of the cereal or damage to the vertical transport chain 34 and the auxiliary transport chains 35 and 36.
一方、圃場に植立した穀稈を刈取る刈取作業中、走行機体1の移動速度が減速されることによって、刈取り回転センサ288によって検出される刈取り入力軸17の回転数が減少する。その場合、縦搬送回転センサ312(補助搬送回転センサ313)によって検出される縦搬送駆動用電動モータ92(補助搬送駆動用電動モータ93)の出力回転数が刈取り入力軸17の回転数よりも高くなり、縦搬送チェン34及び補助搬送チェン35,36によって搬送される穀稈の株元側が先行してその穂先側が遅れた搬送姿勢になる。   On the other hand, during the harvesting operation for harvesting the cereals planted in the field, the rotational speed of the harvesting input shaft 17 detected by the harvesting rotation sensor 288 is reduced by reducing the moving speed of the traveling machine body 1. In this case, the output rotational speed of the vertical transport driving electric motor 92 (auxiliary transport driving electric motor 93) detected by the vertical transport rotation sensor 312 (auxiliary transport rotation sensor 313) is higher than the rotational speed of the cutting input shaft 17. Thus, the stock posture side of the grain straw transported by the vertical transport chain 34 and the auxiliary transport chains 35 and 36 is preceded, and the tip side is delayed.
刈取り入力軸17の回転数と縦搬送駆動用電動モータ92又は補助搬送駆動用電動モータ93の出力回転数とを比較して、縦搬送駆動用電動モータ92又は補助搬送駆動用電動モータ93を減速作動させる必要があると判断されたときに(S11yes)、縦搬送ドライバ302を減速制御して縦搬送チェン34又は補助搬送駆動用電動モータ93の搬送速度を減速作動する減速制御が実行される(S12)。その結果、その減速制御(S12)によって走行機体1の移動速度(車速)に比例して縦搬送チェン34の搬送速度が減速され、車速と同調した速度で縦搬送チェン34を作動でき、走行機体1の移動速度に比べて縦搬送チェン34又は補助搬送チェン35,36の搬送速度が速くなりすぎることがなく、縦搬送チェン34又は補助搬送チェン35,36によって搬送される穀稈の姿勢が、株元側が先行して穂先側が遅れることがなく、搬送途中での穀稈の詰り又は搬送中の穀稈の搬送姿勢の乱れ等を防止でき、縦搬送チェン34及び補助搬送チェン35,36の搬送性能を向上できる。   The rotational speed of the cutting input shaft 17 is compared with the output rotational speed of the vertical transport driving electric motor 92 or the auxiliary transport driving electric motor 93, and the vertical transport driving electric motor 92 or the auxiliary transport driving electric motor 93 is decelerated. When it is determined that it is necessary to operate (S11yes), the vertical conveyance driver 302 is subjected to deceleration control, and deceleration control is performed to decelerate the conveyance speed of the vertical conveyance chain 34 or the auxiliary conveyance driving electric motor 93 ( S12). As a result, the decelerating control (S12) reduces the conveying speed of the vertical conveying chain 34 in proportion to the moving speed (vehicle speed) of the traveling machine body 1, and can operate the vertical conveying chain 34 at a speed synchronized with the vehicle speed. The conveying speed of the vertical conveying chain 34 or the auxiliary conveying chains 35, 36 does not become too fast compared to the moving speed of 1, and the posture of the cereals conveyed by the vertical conveying chain 34 or the auxiliary conveying chains 35, 36 is It is possible to prevent clogging of the cereals in the middle of transportation or disturbance of the transportation posture of the cereals during transportation, and the like, and the transportation of the vertical transportation chain 34 and the auxiliary transportation chains 35 and 36 without leading the head side and delaying the tip side. Performance can be improved.
上述の減速制御(S12)によって縦搬送チェン34及び補助搬送チェン35,36の搬送速度が減速された場合、低速回転設定器266の縦搬送チェン34及び補助搬送チェン35,36の最低作動速度設定値を読み込む(S13)。縦搬送チェン34及び補助搬送チェン35,36が低速作動して、縦搬送チェン34及び補助搬送チェン35,36の搬送速度が低速回転設定器266の最低作動速度設定値と一致して、縦搬送チェン34及び補助搬送チェン35,36が低速作動していると判断されたときに(S14yes)、縦搬送チェン34及び補助搬送チェン35,36の一定回転制御(S10)が実行される。したがって、走行機体1の移動速度(車速)がさらに減速されても、縦搬送チェン34及び補助搬送チェン35,36の一定回転制御(S10)によって、低速回転設定器266の設定値に縦搬送チェン34及び補助搬送チェン35,36の搬送速度が維持される。即ち、最低回転数設定器266によって設定された回転数以上の速度で縦搬送チェン34及び補助搬送チェン35,36を作動できるから、走行機体1の移動速度(車速)等が極めて微速のときにも、縦搬送チェン34及び補助搬送チェン35,36の搬送速度が遅くなりすぎることがなく、搬送途中の穀稈が詰るのを防止でき、縦搬送チェン34及び補助搬送チェン35,36の搬送性能を維持できる。   When the transport speeds of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 are decelerated by the above-described deceleration control (S12), the minimum operation speed setting of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 of the low-speed rotation setting device 266 is set. A value is read (S13). The vertical transport chain 34 and the auxiliary transport chains 35 and 36 operate at a low speed, and the transport speeds of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 coincide with the minimum operating speed set value of the low speed rotation setting device 266 to perform the vertical transport. When it is determined that the chain 34 and the auxiliary transport chains 35 and 36 are operating at a low speed (S14yes), constant rotation control (S10) of the vertical transport chain 34 and the auxiliary transport chains 35 and 36 is executed. Therefore, even if the moving speed (vehicle speed) of the traveling machine body 1 is further reduced, the vertical conveyance chain is set to the set value of the low-speed rotation setting device 266 by the constant rotation control (S10) of the vertical conveyance chain 34 and the auxiliary conveyance chains 35 and 36. 34 and the conveyance speed of the auxiliary conveyance chains 35 and 36 are maintained. That is, since the vertical transfer chain 34 and the auxiliary transfer chains 35 and 36 can be operated at a speed higher than the rotation speed set by the minimum rotation speed setting device 266, the traveling speed (vehicle speed) of the traveling machine body 1 is extremely low. However, the conveyance speed of the vertical conveyance chain 34 and the auxiliary conveyance chains 35 and 36 can be prevented from becoming too slow, and clogging of the grains during conveyance can be prevented, and the conveyance performance of the vertical conveyance chain 34 and the auxiliary conveyance chains 35 and 36 can be prevented. Can be maintained.
さらに、上述の増速制御(S7)、一定回転制御(S10)、減速制御(S12)が実行される刈取作業中、走行機体1が圃場の枕地(畦際)等に到達して、圃場に植立した穀稈を刈取る刈取作業が終了し、穀稈センサ287がオンでなくなったとき、換言すると、最後に刈取られた少量の穀稈が縦搬送チェン34の搬送途中に残っているときに(S15yes)、縦搬送駆動用電動モータ92及び補助搬送駆動用電動モータ93を高速で作動させる高速制御が、初期設定時間(例えば約10秒間)だけ実行される(S16)。高速回転設定器267の設定値に縦搬送チェン34及び補助搬送チェン35,36の搬送速度が維持される一定回転制御(S10)よりも高速で、縦搬送チェン34及び補助搬送チェン35,36が作動される。   Furthermore, during the cutting operation in which the above-described acceleration control (S7), constant rotation control (S10), and deceleration control (S12) are performed, the traveling machine body 1 reaches the headland (bump) of the field and the field When the harvesting operation for cutting the grain culm planted in the plant ends and the grain culm sensor 287 is not turned on, in other words, a small amount of culm harvested last remains in the middle of the conveyance of the vertical conveying chain 34. Sometimes (S15yes), high-speed control for operating the vertical conveyance drive electric motor 92 and the auxiliary conveyance drive electric motor 93 at high speed is executed for an initial setting time (for example, about 10 seconds) (S16). The set value of the high-speed rotation setting device 267 is higher than the constant rotation control (S10) in which the transfer speed of the vertical transfer chain 34 and the auxiliary transfer chains 35 and 36 is maintained. Actuated.
したがって、縦搬送チェン34及び補助搬送チェン35,36によって搬送する穀稈量が少なくなる刈り終いのときに、縦搬送チェン34の高速作動や補助搬送チェン35,36の高速作動によって、縦搬送チェン34の穀稈搬送作用や補助搬送チェン35,36の穀稈搬送作用を適正に維持でき、縦搬送チェン34(又は補助搬送チェン35,36)の搬送終端側(穀稈受継部)等で稈こぼれ又は稈詰りが発生するのを防止できる。なお、高速制御(S16)が実行される初期設定時間(例えば約10秒間)は、縦搬送チェン34の搬送途中に残っている穀稈が、補助搬送チェン35,36の搬送終端側に搬送されて、フィードチェン6に受継がれるのに必要な時間が望ましい。   Therefore, at the end of cutting when the amount of cereals transported by the vertical transport chain 34 and the auxiliary transport chains 35 and 36 is reduced, the vertical transport chain 34 and the auxiliary transport chains 35 and 36 operate at high speeds. It is possible to properly maintain the grain haul conveying action of the chain 34 and the grain haul conveying action of the auxiliary conveying chains 35, 36, such as on the conveying terminal side (the grain haul inheriting part) of the vertical conveying chain 34 (or the auxiliary conveying chains 35, 36). It is possible to prevent spillage or clogging. In addition, during the initial setting time (for example, about 10 seconds) in which the high speed control (S16) is executed, the cereal residue remaining in the middle of the conveyance of the vertical conveyance chain 34 is conveyed to the conveyance end side of the auxiliary conveyance chains 35 and 36. Thus, the time required to be inherited by the feed chain 6 is desirable.
上記のように、高速制御(S16)が実行されて、一定時間(例えば約10秒間)が経過したときに(S17yes)、稈長センサ289の検出結果に関係なく、扱深さ調節モータ94が深扱ぎ側に作動して、走行機体1の内側方に縦搬送チェン34を収納する収納制御が実行される(S18)。したがって、刈り終い時、縦搬送チェン34及び補助搬送チェン35,36が高速で一定時間作動することによって、走行機体1の内側方に縦搬送チェン34が自動的に収納されて、次行程に向けて方向転換したり、又は圃場間を移動したり、又は路上走行することになる。その結果、刈り終い時、縦搬送チェン34を収納するオペレータの操作が不要になる。また、土手や周辺の障害物に縦搬送チェン34が衝突するのを防止できる。   As described above, when the high-speed control (S16) is executed and a certain time (for example, about 10 seconds) has elapsed (S17 yes), the handling depth adjustment motor 94 is set to the depth regardless of the detection result of the saddle length sensor 289. Actuating to the handling side, storage control for storing the vertical conveyance chain 34 inside the traveling machine body 1 is executed (S18). Therefore, when the cutting is finished, the vertical transfer chain 34 and the auxiliary transfer chains 35 and 36 operate at a high speed for a certain period of time, so that the vertical transfer chain 34 is automatically housed inside the traveling machine body 1 for the next stroke. It changes direction, moves between fields, or runs on the road. As a result, when the cutting is finished, the operator's operation for storing the vertical conveyance chain 34 becomes unnecessary. Further, it is possible to prevent the vertical transfer chain 34 from colliding with the bank or an obstacle around the bank.
上述したように、縦搬送チェン34を作動する縦搬送駆動用電動モータ92と、刈刃装置222等への入力回転数を検出する刈取り回転センサ288と、縦搬送駆動用電動モータ92の回転数を変更可能な搬送速度設定ダイヤル262とを備え、刈取り回転センサ288の検出結果に基づき縦搬送駆動用電動モータ92の回転数を制御中、オペレータが搬送速度設定ダイヤル262を手動操作し、縦搬送駆動用電動モータ92の出力回転数を変更して縦搬送チェン34の搬送速度を調整可能に構成したものであるから、圃場に植立した穀稈の性状等に適応した速度で縦搬送チェン34を作動でき、縦搬送チェン34の搬送性能を向上できる。例えば、圃場に倒伏している穀稈の刈取り作業等の特別な条件下の刈取り作業であっても、倒伏している穀稈の刈取り作業に適した速度に縦搬送チェン34の搬送速度を調整できる。また、例えばフィードチェン6によって穀稈の株元を挟持搬送して脱穀装置5に供給するコンバインにおいて、穀稈の穂先側が遅れて搬送されるのを防止できるから、脱穀装置5の所要動力又は脱穀損失等を低減できる。   As described above, the vertical conveyance drive electric motor 92 that operates the vertical conveyance chain 34, the cutting rotation sensor 288 that detects the input rotation speed to the cutting blade device 222, and the rotation speed of the vertical conveyance drive electric motor 92. And a conveyance speed setting dial 262 capable of changing the speed, and the operator manually operates the conveyance speed setting dial 262 while controlling the number of rotations of the electric motor 92 for vertical conveyance drive based on the detection result of the cutting rotation sensor 288. Since the output rotation speed of the driving electric motor 92 is changed to adjust the conveying speed of the vertical conveying chain 34, the vertical conveying chain 34 is adjusted at a speed suitable for the characteristics of the cereal planted in the field. And the conveyance performance of the vertical conveyance chain 34 can be improved. For example, even if the harvesting work is performed under special conditions such as the harvesting operation of the grain straw lying on the field, the transport speed of the vertical transport chain 34 is adjusted to a speed suitable for the harvesting work of the lying grain straw. it can. Further, for example, in a combine that sandwiches and conveys the cereal stock by the feed chain 6 and supplies it to the threshing device 5, it is possible to prevent the cereal head side from being delayed and conveyed, so the required power of the threshing device 5 or threshing Loss etc. can be reduced.
また、縦搬送駆動用電動モータ92の最低回転数を設定する最低回転数設定器としての低速回転設定器266と、縦搬送駆動用電動モータ92の最高回転数を設定する最高回転数設定器としての高速回転設定器267とを備え、低速回転設定器266によって設定された最低回転数と、高速回転設定器267によって設定された最高回転数との間で、縦搬送駆動用電動モータ92の出力回転数を変更可能に構成したものであるから、走行機体1の移動速度(車速)等が極めて微速のときにも、縦搬送チェン34の搬送速度が遅くなりすぎることがなく、搬送途中で穀稈が詰るのを防止できる。また、走行機体1の移動速度(車速)が極めて高速のときにも、縦搬送チェン34の搬送速度が速くなりすぎることがなく、搬送中の穀稈の搬送姿勢が乱れるのを防止できる。   Further, as a low speed rotation setting device 266 as a minimum rotation number setting device for setting the minimum rotation number of the electric motor 92 for vertical conveyance driving, and as a maximum rotation number setting device for setting the maximum rotation number of the electric motor 92 for vertical conveyance driving. The high-speed rotation setting device 267 is provided, and the output of the electric motor 92 for vertical conveyance drive between the minimum rotation number set by the low-speed rotation setting device 266 and the maximum rotation number set by the high-speed rotation setting device 267. Since the rotational speed can be changed, even when the traveling speed (vehicle speed) of the traveling machine body 1 is extremely low, the transport speed of the vertical transport chain 34 is not too slow, and the Can prevent clogging. Further, even when the traveling speed (vehicle speed) of the traveling machine body 1 is extremely high, the transport speed of the vertical transport chain 34 does not become too fast, and it is possible to prevent the transport posture of the cereals being transported from being disturbed.
上記の記載及び図1、図6、図7から明らかなように、エンジン14によって作動する走行部としての走行クローラ2を備えた走行機体1と、圃場に植立した穀稈の株元を切断する刈刃装置222と、前記刈刃装置222によって株元が切断された前記穀稈を搬送する穀稈搬送手段としての縦搬送チェン34とを備えてなるコンバインにおいて、縦搬送チェン34を作動する縦搬送駆動用電動モータ92と、前記穀稈の刈り終いを検出する刈り終いセンサとしての穀稈センサ287とを備え、前記穀稈の刈り終いが検出されたときに、縦搬送チェン34を高速で作動するように構成したものであるから、縦搬送チェン34によって搬送する穀稈量が少なくなる刈り終いのときに、縦搬送チェン34の高速作動によって、縦搬送チェン34の穀稈搬送作用を適正に維持でき、縦搬送チェン34の搬送終端側(穀稈受継部)等で稈こぼれ又は稈詰りが発生するのを防止でき、縦搬送チェン34の搬送性能を向上できる。   As apparent from the above description and FIGS. 1, 6, and 7, the traveling machine body 1 provided with the traveling crawler 2 as the traveling portion that is operated by the engine 14 and the root of the cereal planted in the field are cut. The vertical conveying chain 34 is operated in a combine comprising a cutting blade device 222 and a vertical conveying chain 34 as a cereal conveying means for conveying the cereals whose stock has been cut by the cutting blade device 222. A vertical conveyance drive electric motor 92 and a culm sensor 287 as an end-of-cutting sensor for detecting the end of chopping of the cereal, when the end of chopping of the cereal is detected, 34 is configured to operate at a high speed, so that the grain of the vertical transport chain 34 is increased by the high speed operation of the vertical transport chain 34 at the end of cutting when the amount of cereals transported by the vertical transport chain 34 is reduced. Appropriately to maintain the conveying action, transfer terminal end side of the vertical conveying chain 34 (grain 稈受 joints), etc. In prevents culms spillage or 稈詰Ri occurs, it is possible to improve the conveyance performance of the vertical conveying chain 34.
上記の記載及び図4、図6、図7から明らかなように、縦搬送チェン34を機体の内外に出入させる扱深さ調節手段としての扱深さ調節モータ94を備え、前記穀稈の刈り終い時に、縦搬送チェン34を高速で作動して一定時間が経過したときに、縦搬送チェン34が収納されるように構成したものであるから、刈り終いのときに、縦搬送チェン34の搬送終端側の穀稈受継部等で稈こぼれ又は稈詰りが発生するのを防止できるものでありながら、縦搬送チェン34が機体の内側方に収納されてから、走行機体1の方向転換等が実行される。したがって、オペレータが縦搬送チェン34を収納操作する必要がないから、圃場間の移動又は路上走行のときに、土手や周辺の障害物等に縦搬送チェン34が衝突するのを防止できる。   As is apparent from the above description and FIGS. 4, 6 and 7, the grain depth adjusting motor 94 is provided as a handling depth adjusting means for moving the vertical conveying chain 34 in and out of the machine body. At the end, the vertical transfer chain 34 is accommodated when the vertical transfer chain 34 is operated at a high speed and a predetermined time has elapsed. Therefore, when the cutting is finished, the vertical transfer chain 34 is stored. While the vertical transfer chain 34 is stored inside the machine body, it is possible to prevent the spillage or clogging from occurring at the grain cease transfer part or the like on the conveyance terminal side of the machine. Is executed. Therefore, it is not necessary for the operator to store the vertical conveyance chain 34, so that it is possible to prevent the vertical conveyance chain 34 from colliding with the bank or an obstacle around the bank when moving between fields or traveling on the road.
上記の記載及び図4、図6、図7から明らかなように、縦搬送チェン34から前記穀稈を受継いで搬送する補助搬送手段としての補助株元搬送チェン35,36を備え、前記穀稈の刈り終い時に、縦搬送チェン34の高速作動と関連させて、前記補助搬送手段を高速で作動させるように構成したものであるから、刈り終いのときに、縦搬送チェン34と前記補助搬送手段の高速作動によって、縦搬送チェン34と前記補助搬送手段の穀稈搬送作用を適正に維持でき、縦搬送チェン34の搬送終端側(穀稈受継部)等で稈こぼれ又は稈詰りが発生するのを防止でき、縦搬送チェン34の搬送性能を向上できる。   As is apparent from the above description and FIGS. 4, 6, and 7, auxiliary stock source transport chains 35 and 36 serving as auxiliary transport means for inheriting and transporting the cereal straw from the vertical transport chain 34, Since the auxiliary conveying means is configured to operate at a high speed in association with the high speed operation of the vertical conveying chain 34 at the end of cutting of the reed, the vertical conveying chain 34 and the By the high-speed operation of the auxiliary conveying means, the vertical conveying chain 34 and the auxiliary conveying means can properly maintain the cereal conveying action, and spillage or clogging occurs at the conveying terminal side (the cereal inheriting part) of the vertical conveying chain 34 or the like. Occurrence can be prevented, and the conveyance performance of the vertical conveyance chain 34 can be improved.
本発明の第1実施形態の6条刈り用コンバインの側面図である。It is a side view of the combine for 6-saw cutting of 1st Embodiment of this invention. 同平面図である。It is the same top view. 刈刃装置及び穀稈搬送装置の側面説明図である。It is side surface explanatory drawing of a cutting blade apparatus and a grain haul conveying apparatus. 刈刃装置及び穀稈搬送装置の平面説明図である。It is a plane explanatory view of a cutting blade device and a cereal conveyance device. コンバインの駆動系統図である。It is a drive system diagram of a combine. ミッションケース及びカウンタケース等の駆動系統図である。It is drive system diagrams, such as a mission case and a counter case. 穀稈搬送手段(縦搬送チェン)の制御回路の機能ブロック図である。It is a functional block diagram of the control circuit of a grain ridge conveyance means (vertical conveyance chain). 穀稈搬送手段の搬送速度制御のフローチャートである。It is a flowchart of the conveyance speed control of a cereal conveyance means.
符号の説明Explanation of symbols
1 走行機体
2 走行クローラ(走行部)
14 エンジン
34 縦搬送チェン(穀稈搬送手段)
35,36 補助株元搬送チェン(補助搬送手段)
92 縦搬送駆動用電動モータ
94 扱深さ調節モータ(扱深さ調節手段)
222 刈刃装置
287 穀稈センサ(刈り終いセンサ)
1 traveling machine body 2 traveling crawler (traveling section)
14 Engine 34 Vertical transfer chain
35,36 Auxiliary stock former transport chain (auxiliary transport means)
92 Electric motor for vertical conveyance drive 94 Handling depth adjustment motor (Handling depth adjustment means)
222 Cutting blade device 287 Grain sensor (cutting end sensor)

Claims (3)

  1. エンジンによって作動する走行部を備えた走行機体と、圃場に植立した穀稈の株元を切断する刈刃装置と、前記刈刃装置によって株元が切断された前記穀稈を搬送する穀稈搬送手段とを備えてなるコンバインにおいて、
    前記穀稈搬送手段を作動する搬送駆動用電動モータと、前記穀稈の刈り終いを検出する刈り終いセンサとを備え、前記穀稈の刈り終いが検出されたときに、前記穀稈搬送手段を高速で作動するように構成したことを特徴とするコンバイン。
    A traveling machine body provided with a traveling unit that is operated by an engine, a cutting blade device that cuts a stock of a cereal planted in a field, and a cereal that conveys the cereal that has been cut by the cutting blade device. In a combine comprising transport means,
    An electric motor for driving and driving the cereal conveying means, and a cutting end sensor for detecting the end of reaping of the cereal, and when the end of reaping of the cereal is detected, A combine characterized in that the conveying means is configured to operate at high speed.
  2. 前記穀稈搬送手段を機体の内外に出入させる扱深さ調節手段を備え、前記穀稈の刈り終い時に、前記穀稈搬送手段を高速で作動して一定時間が経過したときに、前記穀稈搬送手段が収納されるように構成したことを特徴とする請求項1に記載のコンバイン。   A handling depth adjusting means for moving the grain haul conveying means in and out of the machine body, and when the cereal hauling means is operated at a high speed and a certain time has elapsed at the end of harvesting The combine according to claim 1, wherein the combiner is configured to receive the straw transporting means.
  3. 前記穀稈搬送手段から前記穀稈を受継いで搬送する補助搬送手段を備え、前記穀稈の刈り終い時に、前記穀稈搬送手段の高速作動と関連させて、前記補助搬送手段を高速で作動させるように構成したことを特徴とする請求項1に記載のコンバイン。   An auxiliary conveying means that inherits and conveys the cereal from the cereal conveying means, and at the end of cutting the cereal, the auxiliary conveying means is operated at high speed in association with the high-speed operation of the cereal conveying means. The combine according to claim 1, wherein the combine is configured to operate.
JP2007329040A 2007-12-20 2007-12-20 Combine Expired - Fee Related JP5319106B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012095538A (en) * 2010-10-29 2012-05-24 Yanmar Co Ltd Electric combine harvester

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62215312A (en) * 1986-03-13 1987-09-22 Yanmar Agricult Equip Vertical feed automatic receiving mechanism in combine
JPS62275613A (en) * 1986-05-22 1987-11-30 Yanmar Agricult Equip Waste straw bundling apparatus
JP2004016111A (en) * 2002-06-17 2004-01-22 Iseki & Co Ltd Combine harvester
JP2004242558A (en) * 2003-02-13 2004-09-02 Iseki & Co Ltd Self-propelled type agricultural working machine
JP2005040108A (en) * 2003-07-25 2005-02-17 Mitsubishi Agricult Mach Co Ltd Combine harvester
JP2005137279A (en) * 2003-11-06 2005-06-02 Kubota Corp Structure for conveying reaped grain culm for combine harvester
JP2007244329A (en) * 2006-03-17 2007-09-27 Yanmar Co Ltd Combine harvester

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62215312A (en) * 1986-03-13 1987-09-22 Yanmar Agricult Equip Vertical feed automatic receiving mechanism in combine
JPS62275613A (en) * 1986-05-22 1987-11-30 Yanmar Agricult Equip Waste straw bundling apparatus
JP2004016111A (en) * 2002-06-17 2004-01-22 Iseki & Co Ltd Combine harvester
JP2004242558A (en) * 2003-02-13 2004-09-02 Iseki & Co Ltd Self-propelled type agricultural working machine
JP2005040108A (en) * 2003-07-25 2005-02-17 Mitsubishi Agricult Mach Co Ltd Combine harvester
JP2005137279A (en) * 2003-11-06 2005-06-02 Kubota Corp Structure for conveying reaped grain culm for combine harvester
JP2007244329A (en) * 2006-03-17 2007-09-27 Yanmar Co Ltd Combine harvester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012095538A (en) * 2010-10-29 2012-05-24 Yanmar Co Ltd Electric combine harvester

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