JP3595330B2 - Combine - Google Patents

Description

本発明は例えば刈取部で刈取った穀稈を脱穀処理するコンバインに関する。   The present invention relates to a combine for threshing a grain stalk that has been cut, for example, at a cutting section.

従来、脱穀部の側方を開放させて扱室及び扱胴の保守点検や受網の交換などを行う場合、支点軸を中心に側部カバーを移動させて脱穀部側面を開放させる技術がある。（例えば、特許文献１参照）   Conventionally, when maintenance and inspection of a handling room and a handling cylinder and replacement of a receiving net are performed by opening a side of a threshing unit, there is a technology of moving a side cover around a fulcrum shaft to open a side of the threshing unit. . (For example, see Patent Document 1)

特開昭６１−１２２１３号公報JP-A-61-12213

前記従来技術は、側部カバーを取外す面倒な作業手間を省けるが、脱穀部側面外方側に側部カバーを水平に倒伏させて開放させるから、扱胴の保守点検または受網の交換などを側部カバー上方空間から行う必要があり、作業者が脱穀部内側に側部カバー越しに接近して作業を行う面倒があると共に、作業終了時に側部カバーを持上げて元の位置に戻す必要があり、またフィードチェンが自重降下するのを防ぐ固定手段が必要であり、取扱い操作の簡略化並びにメンテナンス等の作業性向上などを容易に図り得ない等の問題がある。そこで、側部カバーまたはフィードチェンを取外して受網を交換することも行えるが、受網の交換を容易に行い得ない問題がある。   The conventional technique can save troublesome work of removing the side cover, but since the side cover is horizontally laid down and opened on the outer side of the threshing section, maintenance and inspection of the handling cylinder or replacement of the receiving net can be performed. It is necessary to perform from the space above the side cover, it is troublesome for the operator to approach through the side cover inside the threshing part, and it is necessary to lift the side cover and return it to the original position at the end of work. In addition, a fixing means for preventing the feed chain from falling by its own weight is required, and there is a problem that simplification of handling operation and improvement of workability such as maintenance cannot be easily achieved. Therefore, the receiving network can be replaced by removing the side cover or the feed chain, but there is a problem that the receiving network cannot be easily replaced.

然るに、本発明は、請求項１の如く、扱胴（６）の前後長よりも長尺な側面フレーム（２８）に、フィードチェン（５）と側部カバー（３８）を設け、フィードチェン（５）の駆動スプロケット（２６）と、側方回動用の支点軸（３３）とを前記側面フレーム（２８）に設けるとともに、フィードチェン（５）への駆動力の伝動部との連動結合が行われる側とは反対側を支点にして回動変位し得るようにフィードチェン（５）を装設し、前記連動結合を断った状態で扱胴（６）から大きく退避移行させ得るように構成してあるあることを特徴とする。 Therefore, according to the present invention, the feed chain (5) and the side cover (38) are provided on the side frame (28) which is longer than the front-rear length of the handling cylinder (6). and 5) of the drive sprocket (26), is provided on the a fulcrum shaft for lateral pivoting (33) the side frames (28), interlocking coupling with the driving force of the transmission portion of the feed chain (5) line The feed chain (5) is provided so as to be capable of rotating and displacing with the fulcrum on the side opposite to the side to be joined, and is configured to be able to largely retreat from the handling cylinder (6) in a state where the interlocking connection is cut off. It is characterized by having.

請求項１に係る発明は、扱胴（６）の前後長よりも長尺な側面フレーム（２８）に、フィードチェン（５）と側部カバー（３８）を設け、フィードチェン（５）の駆動スプロケット（２６）と、側方回動用の支点軸（３３）とを前記側面フレーム（２８）に設けるとともに、フィードチェン（５）への駆動力の伝動部との連動結合が行われる側とは反対側を支点にして回動変位し得るようにフィードチェン（５）を装設し、前記連動結合を断った状態で扱胴（６）から大きく退避移行させ得るように構成してあるもので、フィードチェン（５）及び側部カバー（３８）を側方に回動させて脱穀部（４）側面を大きく開放させることができ、脱穀部（４）側面に対しフィードチェン（５）及び側部カバー（３８）を離反または接合させる操作を従来よりも軽々と行うことができ、脱穀部（４）の側面部での作業者の行動がフィードチェン（５）及び側部カバー（３８）によって規制される不具合をなくすことができ、また前記側部カバー（３８）の前後の一方に側面フレーム（２８）を突出させて前記支点軸（３３）を設けることができ、側部カバー（３８）などに規制されることなく、該カバー（３８）の前後幅の外側で前記支点軸（３３）を機体の高剛性部に設置させることができ、しかも、フィードチェン（５）への駆動力の伝動部との連動結合が行われる側とは反対側を支点にして回動変位し得るようにフィードチェン（５）を装設しているから、フィードチェン（５）への伝動が必ず断たれて不測に作動するなどの事態が起きない安全状態のもとで、大きな開放空間から容易に扱室内の掃除や点検整備作業を行うことができ、駆動スプロケット（２６）取付部の係脱操作の軽減並びに駆動構造の簡略化などを図ることができるものである。 According to the first aspect of the present invention, a feed chain (5) and a side cover (38) are provided on a side frame (28) that is longer than the front-rear length of the handling cylinder (6), and the feed chain (5) is driven. a sprocket (26), is provided on the a fulcrum shaft for lateral pivoting (33) the side frames (28), the side where the interlocking coupling with the transmission portion of the driving force to the feed chain (5) is performed A feed chain (5) is provided so as to be capable of rotating and displacing with the opposite side as a fulcrum, and is configured to be able to largely retreat from the handling cylinder (6) in a state where the interlocking connection is cut off. By rotating the feed chain (5) and the side cover (38) to the side, the side of the threshing unit (4) can be largely opened, and the feed chain (5) and the side with respect to the side of the threshing unit (4). Operation to separate or join the part cover (38) It is possible to perform the operation lightly than before, and it is possible to eliminate the problem that the action of the worker on the side surface of the threshing unit (4) is restricted by the feed chain (5) and the side cover (38). The fulcrum shaft (33) can be provided by protruding the side frame (28) on one of the front and rear sides of the side cover (38), and the cover (38) can be provided without being restricted by the side cover (38). ), The fulcrum shaft (33) can be installed on the highly rigid portion of the fuselage outside the front-rear width, and the side on which the interlocking connection with the transmission portion of the driving force to the feed chain (5) is performed. Since the feed chain (5) is installed so that it can be rotated and displaced on the opposite side as a fulcrum, the transmission to the feed chain (5) is always cut off, so that accidental operation does not occur. Under the condition, from a large open space To be able to perform cleaning and servicing operations in threshing chamber, in which it is possible to such simplification alleviation and driving structure of engaging and disengaging operation of the drive sprocket (26) mounting portions.

以下、本発明の実施例を図面に基づいて詳述する。図１はフィードチェン部の側面説明図、図２はコンバインの全体側面図、図３は同平面図であり、図中（１）は走行クローラ（２）を装設するトラックフレーム、（３）は前記トラックフレーム（１）上に架設する機台、（４）はフィードチェン（５）を左側に張架し扱胴（６）及び処理胴（７）を内蔵している脱穀部、（８）は刈刃及び穀稈搬送機構などを備える刈取部、（９）は排藁チェン（１０）終端を臨ませる排藁処理部、（１１）は運転席（１２）及び運転操作部（１３）を備える運転台、（１４）は機台（３）の右側後部に配備してエンジン（１５）を内設するエンジン部、（１６）は前記エンジン部（１４）前方に配設して脱穀部（４）からの穀粒を溜める穀粒タンク、（１７）は前記穀粒タンク（１６）内の穀粒を外側に取出す排出オーガであり、連続的に刈取り・脱穀作業を行うように構成している。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is an explanatory side view of a feed chain portion, FIG. 2 is an overall side view of a combine, and FIG. 3 is a plan view of the same, where (1) is a track frame on which a traveling crawler (2) is mounted, and (3) Is a machine frame installed on the truck frame (1), (4) is a threshing unit in which a feed chain (5) is stretched to the left side and a handling cylinder (6) and a processing cylinder (7) are built in, (8). ) Is a mowing section provided with a cutting blade and a grain culm transport mechanism, (9) is a straw processing section facing the end of a straw chain (10), (11) is a driver's seat (12) and a driving operation section (13). A driver's cab, (14) an engine section provided at the rear right side of the machine stand (3) and an engine (15) provided therein, and (16) a threshing section provided at the front of the engine section (14). (4) a grain tank for storing the grains from (4), and (17) taking the grains in the grain tank (16) outward. It is to discharge auger, are configured to perform a continuously reaping-threshing work.

図４乃至図６に示す如く、前記脱穀部（４）の上側壁カバー（１８）を上方に開放自在に設けると共に、前記フィードチェン（５）を脱穀部（４）左側方に開放自在に設けるもので、前記カバー（１８）の支柱（１９）にフレーム（２０）を介して挾扼杆（２１）を連結支持させ、前記カバー（１８）の基端を脱穀本体側の固定ブラケット（２２）に支点軸（２３）を介して開閉自在に支持させている。なお、（２４）は挾扼杆（２１）の外側を覆う挾扼杆カバー、（２５）は前記カバー（１８）を閉封保持するロック部材である。   As shown in FIGS. 4 to 6, the upper wall cover (18) of the threshing unit (4) is provided to be openable upward, and the feed chain (5) is provided to be openable to the left side of the threshing unit (4). The support rod (21) of the cover (18) is connected to and supported by a clamping rod (21) via a frame (20), and the base end of the cover (18) is fixed to a fixing bracket (22) on the threshing body side. Are supported to be openable and closable via a fulcrum shaft (23). In addition, (24) is a clamping rod cover which covers the outside of the clamping rod (21), and (25) is a lock member for closing and holding the cover (18).

また、前部回転体である駆動スプロケット（２６）を下部チェンレール（２７）前端に備えると共に、下部及び上部チェンレール（２７）（２８）の後端に固設する巻付防止板である上部枢着板（２９）に後部回転体である従動スプロケット（３０）を備え、各スプロケット（２６）（３０）にフィードチェン（５）を張設させるもので、前記枢着板（２９）と、該枢着板（２９）下方に支柱（３１）を介して連結固定する下部枢着板（３２）とに、上下の水平回動支点軸（３３）（３４）をそれぞれ固設し、脱穀本体側の固定ブラケット（３５）（３６）に前記支点軸（３３）（３４）を介してフィードチェン（５）を側方に開放可能に支持するように構成している。   In addition, a drive sprocket (26) as a front rotating body is provided at the front end of the lower chain rail (27), and an upper part as an anti-winding plate fixed to the rear ends of the lower and upper chain rails (27) and (28). The pivot plate (29) is provided with a driven sprocket (30) as a rear rotating body, and the feed chain (5) is stretched on each sprocket (26) (30). Upper and lower horizontal pivot shafts (33) and (34) are fixed to a lower pivot plate (32) which is connected and fixed below the pivot plate (29) via a column (31), respectively. The feed chain (5) is configured to be openably laterally open to the side fixed brackets (35) and (36) via the fulcrum shafts (33) and (34).

さらに、前記扱胴（６）下部のクリンプ網（３７）の外方側端部（３７ａ）に下端部を圧接させる扱胴側部カバー（３８）を、前記チェンレール（２７）（２８）に取付フレーム（３９）（４０）を介して一体連結すると共に、前記フィードチェン（５）のテンションローラ（４１）及びスプロケット（４２）をガイド板（４２ａ）などを介して前記チェンレール（２７）に取付け、前記フィードチェン（５）を側方開放時、側部カバー（３８）・テンションローラ（４１）・スプロケット（４２）も側方に一体的に回動させるように構成している。   Further, a handle cylinder side cover (38) for pressing the lower end thereof against the outer end (37a) of the crimping net (37) below the handle cylinder (6) is attached to the chain rails (27) and (28). Together with the attachment rails (39) and (40), the tension roller (41) and the sprocket (42) of the feed chain (5) are connected to the chain rail (27) via a guide plate (42a) and the like. When the feed chain (5) is opened to the side, the side cover (38), the tension roller (41), and the sprocket (42) are also integrally rotated to the side.

そして、前記フィードチェン（５）を閉動作時、前記側部カバー（３８）の前側板（３８ａ）の係止ピン（４３）を脱穀前側板（４４）にロック板（４５）を介し係合保持させるもので、前側板（４４）に支軸（４６）・ストッパピン（４７）及びバネ（４８）を介してロック板（４５）が位置保持され、側部カバー（３８）が閉封されるとき、ロック板（４５）に固設するガイドレバー（４９）に前記ピン（４３）が当接し、バネ（４８）に抗してロック板（４５）を下方に押し下げ、ロック板（４５）のピン係合溝（５０）に前記ピン（４３）が係合し、側部カバー（３８）及びフィードチェン（５）を閉位置に固定保持するように構成している。   When the feed chain (5) is closed, the locking pin (43) of the front plate (38a) of the side cover (38) is engaged with the threshing front side plate (44) via the lock plate (45). The lock plate (45) is held on the front side plate (44) via the support shaft (46), the stopper pin (47) and the spring (48), and the side cover (38) is closed. When the pin (43) comes into contact with the guide lever (49) fixed to the lock plate (45), the lock plate (45) is pushed downward against the spring (48), and the lock plate (45) is pressed. The pin (43) is engaged with the pin engaging groove (50), and the side cover (38) and the feed chain (5) are fixedly held in the closed position.

また、前記脱穀部（４）本体側に固設する駆動ケース（５１）に、前記フィードチェン（５）を駆動する駆動軸（５２）を備えるもので、該駆動軸（５２）を入力軸（５３）にギヤ（５４）を介し連結すると共に、前記駆動スプロケット（２６）のスプロケット軸（５５）にリミットクラッチ（５６）を介して継断自在に前記駆動軸（５２）を結合連結させ、リミットクラッチ（５６）のクラッチ爪による駆動伝達方式とすることにより、従来のピン結合方式に比べ、部品点数を削減させ耐久性向上を図るもので、脱穀用穀稈を搬送するフィードチェン（５）を脱穀部（４）側方に開放可能に設け、フィードチェン（５）を縦軸である水平回動支点軸（３３）（３４）回りに回転自在に脱穀部（４）の側部に設けると共に、本機側の駆動部である駆動軸（５２）に着脱自在に連結させる伝動接続部であるスプロケット軸（５５）を前記水平回動支点軸（３３）（３４）と離れた側に設けている。   A drive case (51) fixed to the threshing unit (4) body has a drive shaft (52) for driving the feed chain (5), and the drive shaft (52) is connected to the input shaft ( 53) via a gear (54) and a sprocket shaft (55) of the driving sprocket (26) by means of a limit clutch (56). By adopting a drive transmission system using clutch claws of the clutch (56), the number of parts is reduced and durability is improved as compared with the conventional pin connection system. A feed chain (5) is provided on the side of the threshing unit (4) so as to be rotatable about a horizontal rotation fulcrum shaft (33) (34) which is a vertical axis. , On the drive unit That are provided sprocket axis is transmission connection portion for detachably connecting (55) to said the far side horizontal rotation fulcrum shaft (33) (34) to the drive shaft (52).

さらに、前記フィードチェン（５）の後端側を支持する前記支点軸（３３）（３４）は、前記従動スプロケット（３０）のスプロケット軸（５７）より寸法（ｔ）後部位置で、フィードチェン（５）より脱穀本体側寄りに配設していて、フィードチェン（５）を開放時、該チェン（５）の最後端部である枢着板（２９）（３２）の脱穀本体側への入り込み代を最小限にし、機体左右全巾を一定寸法内に抑制しながら脱穀本体とフィードチェン（５）の干渉を防止するように構成するもので、脱穀用穀稈を搬送するフィードチェン（５）を脱穀部（４）側方に開放可能に設ける構造において、脱穀部（４）側方に開放するフィードチェン（５）の水平回動支点軸（３３）（３４）を、フィードチェン（５）の端部を支持する前記スプロケット（３０）のスプロケット軸（５７）よりもさらに端部外方位置でフィードチェン（５）よりも脱穀本体寄りに設けている。   Further, the fulcrum shafts (33) and (34) supporting the rear end side of the feed chain (5) are located at a position rearward from the sprocket shaft (57) of the driven sprocket (30) by a dimension (t), and the feed chain ( 5) It is arranged closer to the threshing body side, and when the feed chain (5) is opened, the pivoting plates (29) (32), which are the rearmost ends of the chain (5), enter the threshing body side. The feed chain (5) that conveys threshing grain stems while minimizing the margin and preventing interference between the threshing main body and the feed chain (5) while keeping the overall width of the machine right and left within certain dimensions. In the structure provided so as to be openable to the side of the threshing unit (4), the horizontal rotation fulcrum shafts (33) and (34) of the feed chain (5) opening to the side of the threshing unit (4) are connected to the feed chain (5). The sprocket supporting the end of the It is provided on the threshing body nearer the feed chain (5) in addition the end portion outer side position than the sprocket axis (57) of 0).

上記のように、供給搬送チェンであるフィードチェン（５）と挾扼杆（２１）とによって、穀稈を挾持搬送しながら脱穀処理する脱穀部（４）を備えたコンバインにおいて、該脱穀部（４）の上部カバーである上側壁カバー（１８）と前記挾扼杆（２１）とを一体的に上方へ移動可能に構成するとともに、前記フィードチェン（５）を、脱穀部（４）に内設させる扱胴（６）側部を覆う側部カバー（３８）と共に、前記脱穀部（４）の側部から移動可能に構成し、側部カバー（３８）を取り外さなくても、フィードチェン（５）を脱穀部（４）の側部から移動させて脱穀部（４）の側面を開放させ、メンテナンス作業の効率を向上させると共に、フィードチェン（５）と挾扼杆（２１）とによって、穀稈を挾持搬送しながら脱穀処理する脱穀部（４）を備えたコンバインにおいて、該脱穀部（４）の上側壁カバー（１８）と前記挾扼杆（２１）とを一体的に上方へ移動可能に構成するとともに、前記フィードチェン（５）を、脱穀部（４）に内設させる扱胴（６）側部を覆う側部カバー（３８）と共に、縦軸である支点軸（３３）を中心として外側方へ回動可能に構成し、側部カバー（３８）を取り外さなくても、フィードチェン（５）を外側方へ回動させて脱穀部（４）の側面を開放させ、メンテナンス作業の効率を向上させる。   As described above, in a combine provided with a threshing unit (4) for threshing while holding and transporting a grain stalk by a feed chain (5), which is a supply and transport chain, and a clamping rod (21), the threshing unit ( The upper side cover (18), which is the upper cover of (4), and the clamping rod (21) are configured to be integrally movable upward, and the feed chain (5) is inserted into the threshing unit (4). The feed chain (38) is configured to be movable from the side of the threshing unit (4) together with the side cover (38) covering the side of the handling cylinder (6) to be installed, and the feed chain (38) can be removed without removing the side cover (38). 5) is moved from the side of the threshing unit (4) to open the side surface of the threshing unit (4) to improve the efficiency of maintenance work, and by the feed chain (5) and the clamping rod (21), Threshing in which threshing is performed while holding and transporting the culm In the combine provided with (4), the upper wall cover (18) of the threshing section (4) and the clamping rod (21) are configured to be integrally movable upward and the feed chain (5). Together with a side cover (38) that covers the side of the handling cylinder (6) provided inside the threshing unit (4), is configured to be rotatable outward around a fulcrum shaft (33) that is a vertical axis, Even without removing the side cover (38), the feed chain (5) is turned outward to open the side surface of the threshing unit (4), thereby improving the efficiency of maintenance work.

また、刈取部（８）及び脱穀部（４）を装設させて連続的に穀稈を刈取って脱穀すると共に、脱穀部（４）に内設させる扱胴（６）の一側方でフィードチェン（５）を張設させる側面を側部カバー（３８）によって開閉自在に閉塞させるコンバインにおいて、支点軸（３３）（３４）回りに前記側部カバー（３８）を横方向に回動自在に設け、扱胴（６）下側の受網であるクリンプ網（３７）の一側部でフィードチェン（５）を張設する側面と側部カバー（３８）の間に作業空間を形成可能に構成し、側部カバー（３８）を横方向に回動させて脱穀部（４）側面を開放させ、従来のように側部カバー（３８）を下げ上げ操作したり脱着する負担がなく、脱穀部（４）側面に対し側部カバー（３８）を離反または接合させる操作を従来よりも軽々と行うと共に、従来のように側部カバー（３８）越しにクリンプ網（３７）交換などを行う面倒がなく、脱穀部（４）側面部での作業者の行動が側部カバー（３８）によって規制される不具合をなくし、脱穀部（４）側面でのクリンプ網（３７）脱着などの作業を作業者によって容易に行い、取扱い操作の簡略化などを容易に図る。   In addition, a cutting section (8) and a threshing section (4) are provided to continuously mow and thresh grain culm, and at one side of a handling drum (6) provided inside the threshing section (4). In a combine in which a side surface on which the feed chain (5) is stretched is opened and closed by a side cover (38), the side cover (38) is rotatable in a lateral direction about fulcrum shafts (33) and (34). And a work space can be formed between the side surface on which the feed chain (5) is stretched and the side cover (38) on one side of the crimping net (37), which is the receiving net below the handle cylinder (6). The side cover (38) is turned laterally to open the side of the threshing unit (4), so that there is no burden to lower and raise the side cover (38) as in the conventional case, and to attach and detach it. Operation for separating or joining the side cover (38) to the side of the threshing unit (4) is lighter than before. In addition, there is no need to replace the crimping net (37) over the side cover (38) as in the related art, and the action of the worker on the side of the threshing unit (4) is controlled by the side cover (38). Eliminating the troubles that are regulated, the work such as the crimping net (37) attachment / detachment on the side of the threshing unit (4) is easily performed by an operator, and the handling operation is simplified.

また、前後方向に張設させるフィードチェン（５）を移動可能な支点軸（３３）を介して脱穀部（４）側面に取付け、脱穀部（４）側面にフィードチェン（５）側を係脱可能なフックであるロック板（４５）によって連結させ、ロック板（４５）に操作レバーであるガイドレバー（４９）を連結させ、フィードチェン（５）の支点軸（３３）回りの回動方向にガイドレバー（４９）を作動させて係脱させる前記ロック板（４５）とピン（４３）を脱穀部（４）側とフィードチェン（５）側に対向配設させ、脱穀部（４）の上側壁カバー（１８）と前記挾扼杆（２１）とを一体的に上方へ移動可能に構成するとともに、前記フィードチェン（５）を、扱胴（６）側部を覆う側部カバー（３８）と共に、支点軸（３３）を中心として外側方へ回動可能に構成する。そして、フィードチェン（５）を水平方向に回動させて脱穀部（４）側面を大きく開放させるから、従来のようにフィードチェン（５）を下げ上げ操作して脱着する負担がなく、脱穀部（４）側面に対しフィードチェン（５）を離反または接合させる操作を従来よりも軽々と行うと共に、従来のようにフィードチェン（５）越しにクリンプ網（３７）交換などを行う面倒がなく、脱穀部（４）側面部での作業者の行動がフィードチェン（５）によって規制される不具合をなくし、また前記ロック板（４５）の係脱操作だけでフィードチェン（５）の回動操作を行い、フィードチェン（５）の脱穀部（４）側面との脱着並びに回動の各操作を作業者によって容易に行い、取扱い操作の簡略化などを容易に図り、さらにロック板（４５）とピン（４３）を脱穀部（４）側とフィードチェン（５）側に対向配設させるから、回動自在なフィードチェン（５）の係止固定構造をピン（４３）とロック板（４５）によって容易に構成し、支点軸（３３）（３４）とピン（４３）及びロック板（４５）によってフィードチェン（５）側を強固に支持し、フィードチェン（５）側の振動騒音発生並びに変形損傷などの低減並びに係合機能の向上などを図る。   Also, a feed chain (5) stretched in the front-rear direction is attached to the side of the threshing unit (4) via a movable fulcrum shaft (33), and the feed chain (5) side is disengaged from the side of the threshing unit (4). A connection is made by a lock plate (45), which is a possible hook, and a guide lever (49), which is an operation lever, is connected to the lock plate (45), so that the feed chain (5) rotates in the direction of rotation about the fulcrum shaft (33). The lock plate (45) and the pin (43), which are engaged and disengaged by operating the guide lever (49), are disposed opposite to the threshing unit (4) side and the feed chain (5) side. A side cover (38) that integrally moves the side wall cover (18) and the clamping rod (21) upward and covers the feed chain (5) on the side of the cylinder (6). At the same time, pivot outward about the fulcrum shaft (33) Make up to capacity. Since the side of the threshing unit (4) is largely opened by rotating the feed chain (5) in the horizontal direction, there is no burden of lowering and raising the feed chain (5) as in the related art, and there is no burden to detach. (4) The operation of separating or joining the feed chain (5) to the side surface is performed lighter than in the past, and there is no trouble of replacing the crimp net (37) through the feed chain (5) as in the conventional case. The problem that the action of the worker on the side of the threshing unit (4) is restricted by the feed chain (5) is eliminated, and the rotation operation of the feed chain (5) is performed only by engaging and disengaging the lock plate (45). The operator easily performs the operations of attaching and detaching the feed chain (5) to and from the side of the threshing unit (4) and rotating the feed chain (5), thereby simplifying the handling operation and the like. ( Since 3) is disposed opposite to the threshing unit (4) side and the feed chain (5) side, the locking and fixing structure of the rotatable feed chain (5) is facilitated by the pin (43) and the lock plate (45). The feed chain (5) side is firmly supported by the fulcrum shafts (33) and (34), the pin (43) and the lock plate (45), and the feed chain (5) side generates vibration noise and deformation damage. Reduction and improvement of the engagement function.

また、脱穀部（４）一側で前後方向にフィードチェン（５）を張設させるコンバインにおいて、支点軸（３３）（３４）回りにフィードチェン（５）を移動自在に設けると共に、前記支点軸（３３）（３４）に連結させるフレームであるチェンレール（２７）にフィードチェン（５）の駆動スプロケット（２６）を軸支させ、また扱胴（６）一側方に設ける側部カバー（３８）をチェンレール（２７）を介して支点軸（３３）に取付け、該脱穀部（４）の上側壁カバー（１８）と前記挾扼杆（２１）とを一体的に上方へ移動可能に構成するとともに、前記フィードチェン（５）の後部を、脱穀部（４）後側に立設した支持部材である支柱（３１）に支点軸（３３）を介して外側方へ回動可能に支持する一方、前記フィードチェン（５）の前部を、脱穀部（４）側にロック装置であるガイドレバー（４９）を介して係合離脱可能に構成する。そして、従来のようにフィードチェン（５）及び側部カバー（３８）を脱着する負担がなく、脱穀部（４）側面に対しフィードチェン（５）及び側部カバー（３８）を離反または接合させる操作を従来よりも軽々と行うと共に、従来のようにフィードチェン（５）及び側部カバー（３８）越しにクリンプ網（３７）交換を行う面倒がなく、脱穀部（４）側面部での作業者の行動がフィードチェン（５）及び側部カバー（３８）によって規制される不具合をなくし、また支点軸（３３）（３４）に連結させるチェンレール（２７）（２８）に駆動スプロケット（２６）を設けるから、フィードチェン（５）と駆動スプロケット（２６）を脱着させることなくフィードチェン（５）の回動を行い、フィードチェン（５）を回動させて行う作業性の向上並びにフィードチェン（５）に対する駆動スプロケット（２６）取付け精度の維持などを容易に図ると共に、側部カバー（３８）の回動によってクリンプ網（３７）交換などの作業スペースを容易に確保させ、かつ支点軸（３３）（３４）及び駆動スプロケット（２６）を側部カバー（３８）の前後に配置させて伝動機構並びに支点軸（３３）（３４）などの取付け構造の簡略化及び支持強度向上などを図る。   Further, in a combine in which a feed chain (5) is stretched in the front-rear direction on one side of the threshing unit (4), the feed chain (5) is movably provided around fulcrum shafts (33) and (34), and the fulcrum shaft is provided. (33) The chain sprocket (26) of the feed chain (5) is supported by a chain rail (27), which is a frame connected to the frame (34), and a side cover (38) provided on one side of the handling cylinder (6). ) Is attached to a fulcrum shaft (33) via a chain rail (27) so that the upper wall cover (18) of the threshing unit (4) and the clamping rod (21) can be integrally moved upward. At the same time, the rear portion of the feed chain (5) is rotatably supported to the outside via a fulcrum shaft (33) on a support (31), which is a support member erected on the rear side of the threshing unit (4). Meanwhile, the front part of the feed chain (5) It is configured to be engaged disengaged via a locking device guide lever threshing section (4) side (49). The feed chain (5) and the side cover (38) are separated from or joined to the side of the threshing unit (4) without the burden of attaching and detaching the feed chain (5) and the side cover (38) as in the related art. The operation is performed lighter than before, and there is no need to replace the crimp net (37) through the feed chain (5) and the side cover (38) as in the conventional case. Eliminates the problem that the action of the user is restricted by the feed chain (5) and the side cover (38), and furthermore, the driving sprocket (26) is attached to the chain rails (27) (28) connected to the fulcrum shafts (33) (34). Is provided, the feed chain (5) is rotated without detaching the feed chain (5) and the drive sprocket (26), and the workability of rotating the feed chain (5) is improved. It is easy to maintain the mounting accuracy of the drive sprocket (26) on the top and the feed chain (5), and the working space such as the exchange of the crimp net (37) is easily secured by the rotation of the side cover (38). In addition, the fulcrum shafts (33) and (34) and the drive sprocket (26) are arranged before and after the side cover (38) to simplify the transmission mechanism and the mounting structure of the fulcrum shafts (33) and (34) and improve the support strength. And so on.

また、脱穀部（４）外側面に固定させる軸受部材である固定ブラケット（３５）（３６）を機外側に突出させ、水平回動支点軸（３３）（３４）を前記固定ブラケット（３５）（３６）に上下方向に抜差し可能に連結させ、フィードチェン及び扱胴側部カバー（３８）の着脱操作性向上などを図り、さらに脱穀部（４）側面に前記固定ブラケット（３５）（３６）を水平に突設させて開放位置のフィードチェン（５）と脱穀部（４）側面との離間距離を確保し、かつ固定ブラケット（３５）（３６）の水平突設によって水平回動支点軸（３３）（３４）取付け位置が限定されることなく脱穀部（４）の高剛性位置に支持させるものである。   Further, fixing brackets (35) and (36), which are bearing members fixed to the outer surface of the threshing unit (4), are protruded to the outside of the machine, and the horizontal rotation fulcrum shafts (33) and (34) are fixed to the fixing brackets (35) and (34). 36) so that it can be inserted and removed in the vertical direction to improve the attachment and detachment operability of the feed chain and the handling cylinder side cover (38). Further, the fixing brackets (35) and (36) are attached to the side of the threshing unit (4). The feed chain (5) is horizontally protruded to secure a separation distance between the feed chain (5) in the open position and the side of the threshing unit (4), and the horizontal bracket (33) is horizontally protruded by the fixed brackets (35) and (36). (34) The mounting position is not limited, and is supported at the high rigidity position of the threshing unit (4).

上記のように、脱穀部（４）一側で前後方向にフィードチェン（５）を張設させ、支点軸（３３）を中心としてフィードチェン（５）を側方に回動自在に設け、また脱穀部（４）に内設させる扱胴（６）側部を覆う側部カバー（３８）をフィードチェン（５）側に取付け、前記フィードチェン（５）と側部カバー（３８）を、前記支点軸（３３）を中心として側方に回動させるコンバインにおいて、前記フィードチェン（５）及び側部カバー（３８）を設ける側面フレームであるチェンレール（２８）を、扱胴（６）または側部カバー（３８）の前後幅よりも長尺に形成すると共に、前記側部カバー（３８）から突出させる前記のチェンレール（２８）の前後側の一方に前記支点軸（３３）を設け、前記フィードチェン（５）及び側部カバー（３８）を作業位置に支持させる係止具である係止ピン（４３）を、前記支点軸（３３）と反対側のチェンレール（２８）のもう一方の側部に設ける。そして、フィードチェン（５）の前側及び側部カバー（３８）を外側方向に移動させて脱穀部（４）側面と刈取部（８）の後部側面を大きく開放させ、従来のようにフィードチェン（５）及び側部カバー（３８）を脱着する負担がなく、脱穀部（４）側面に対しフィードチェン（５）及び側部カバー（３８）を離反または接合させる操作を従来よりも軽々と行うと共に、従来のようにフィードチェン（５）及び側部カバー（３８）越しに受網であるクリンプ網（３７）交換を行う面倒がなく、脱穀部（４）と刈取部（８）の側面部での作業者の行動がフィードチェン（５）及び側部カバー（３８）によって規制される不具合をなくす。また、前記側部カバー（３８）の前後の一方にチェンレール（２８）を突出させて前記支点軸（３３）を設け、側部カバー（３８）などに規制されることなく、該カバー（３８）の前後幅の外側で前記支点軸（３３）を機体の高剛性部に設置させると共に、チェンレール（２８）の前後に支点軸（３３）と係止ピン（４３）を離間させ、係止ピン（４３）の係脱操作力の軽減並びに係止構造の簡略化などを図る。   As described above, the feed chain (5) is extended in the front-rear direction on one side of the threshing unit (4), and the feed chain (5) is provided to be rotatable laterally around the fulcrum shaft (33); A side cover (38) for covering the side of the handling cylinder (6) provided inside the threshing unit (4) is attached to the feed chain (5) side, and the feed chain (5) and the side cover (38) are attached to the feed chain (5). In a combine which rotates sideways around a fulcrum shaft (33), a chain rail (28), which is a side frame on which the feed chain (5) and the side cover (38) are provided, is attached to the handle cylinder (6) or the side. The fulcrum shaft (33) is provided on one of the front and rear sides of the chain rail (28) that is formed longer than the front and rear width of the section cover (38) and protrudes from the side cover (38). Feed chain (5) and side cover 38) is a locking tool that is supported by the working position the locking pin (43), provided on the other side of the fulcrum shaft (33) opposite the chain rail (28). Then, the front side and the side cover (38) of the feed chain (5) are moved outward so that the side of the threshing unit (4) and the rear side of the cutting unit (8) are greatly opened, and the feed chain ( 5) There is no burden of attaching and detaching the side cover (38), and the operation of separating or joining the feed chain (5) and the side cover (38) to the side of the threshing unit (4) is performed more lightly than before. Unlike the conventional case, there is no need to replace the crimping net (37) as the receiving net over the feed chain (5) and the side cover (38), and the side surfaces of the threshing unit (4) and the reaping unit (8) can be used. The problem that the behavior of the worker is restricted by the feed chain (5) and the side cover (38) is eliminated. Further, the fulcrum shaft (33) is provided by protruding the chain rail (28) at one of the front and rear sides of the side cover (38), and the cover (38) is not restricted by the side cover (38) or the like. ), The fulcrum shaft (33) is installed on the highly rigid portion of the fuselage, and the fulcrum shaft (33) and the locking pin (43) are separated from each other before and after the chain rail (28). The force for engaging and disengaging the pin (43) is reduced, and the locking structure is simplified.

また、扱胴（６）の前後長よりも長尺な側面フレームであるチェンレール（２８）に、フィードチェン（５）と側部カバー（３８）を設け、フィードチェン（５）の駆動スプロケット（２６）と、側方回動用の支点軸（３３）とを前記側面フレームであるチェンレール（２８）に設けるとともに、フィードチェン（５）への駆動力の伝動部との連動結合が行われる側とは反対側を支点にして回動変位し得るようにフィードチェン（５）を装設し、前記連動結合を断った状態で扱胴（６）から大きく退避移行させ得るように構成し、フィードチェンへの伝動が必ず断たれて不測に作動するなどの事態が起きない安全状態のもとで、大きな開放空間から容易に扱室内の掃除や点検整備作業を行うことができる。 Further, a feed chain (5) and a side cover (38) are provided on a chain rail (28) which is a side frame longer than the front-rear length of the handling cylinder (6), and a drive sprocket (5) of the feed chain (5) is provided. and 26), the side provided with the pivot shaft for lateral pivoting (33) Chen rails (28 a, which is the side frame), the interlocking coupling with the transmission portion of the driving force to the feed chain (5) is carried out The feed chain (5) is provided so as to be capable of rotating and displacing with the opposite side as a fulcrum, and is configured to be able to largely retreat from the handling cylinder (6) in a state where the interlocking connection is cut off. Under a safe condition in which the transmission to the chain is always cut off and accidental operation does not occur, it is possible to easily clean and inspect the maintenance room from a large open space.

本実施例は上記の如く構成するものにして、前記フィードチェン（５）を開放自在に支持する回動支点軸（３３）（３４）を、前記従動スプロケット（３０）のスプロケット軸（５７）より寸法（ｔ）後部位置で、フィードチェン（５）より脱穀本体側寄りに配設するものであるから、前記フィードチェン（５）を開放時に最後端となる枢着板（２９）（３２）後端の脱穀本体側への入り込み代が最小となり、フィードチェン（５）を脱穀本体外方に張出させることなく機体全巾を一定寸法内に抑制した状態で干渉など不都合のない安全な開放作業を行える。   This embodiment is configured as described above, and the pivot shafts (33) and (34) for supporting the feed chain (5) in an openable manner are separated from the sprocket shaft (57) of the driven sprocket (30). Since the feed chain (5) is disposed closer to the threshing body side than the feed chain (5) at the rear position of the dimension (t), the feed chain (5) is located at the rearmost position after the pivot plates (29) and (32). Safe opening work without inconvenience such as interference while keeping the entire width of the machine within a certain size without extending the feed chain (5) to the outside of the threshing body, minimizing the margin of entry of the end into the threshing body side Can be performed.

また、前記フィードチェン（５）を回動開放時、前記駆動スプロケット（２６）にフィードチェン（５）が巻回された状態でチェンレール（２７）（２８）などと一体的に開放されるものであるから、フィードチェン（５）開放操作を容易に行えて作業能率に秀れ、しかもフィードチェン（５）開放時、前記扱胴側部カバー（３８）も同時に外方に引出され、脱穀部（４）側面が開放状態となり、扱室内の点検保守やクリンプ網（３７）の交換作業を至便に行えるものである。   Further, when the feed chain (5) is rotated and opened, the feed chain (5) is opened integrally with the chain rails (27) and (28) while the feed chain (5) is wound around the driving sprocket (26). Therefore, the feed chain (5) opening operation can be easily performed and the work efficiency is excellent, and when the feed chain (5) is opened, the handle body side cover (38) is also pulled out at the same time, and the threshing unit (4) The side surface is opened, so that inspection and maintenance of the handling room and replacement work of the crimp net (37) can be conveniently performed.

フィードチェン部の側面説明図。FIG. コンバインの全体側面図。The whole side view of a combine. 同平面図。FIG. 脱穀部の断面説明図。Sectional explanatory drawing of a threshing part. フィードチェン部の平面説明図。FIG. 同部分説明図。FIG.

符号の説明Explanation of reference numerals

（５） フィードチェン
（６） 扱胴
（２６） 駆動スプロケット
（２８） チェンレール（側面フレーム）
（３３） 支点軸
（３８） 側部カバー (5) Feed chain (6) Handling cylinder (26) Drive sprocket (28) Chain rail (side frame)
(33) Support shaft (38) Side cover

Claims (1)

扱胴（６）の前後長よりも長尺な側面フレーム（２８）に、フィードチェン（５）と側部カバー（３８）を設け、フィードチェン（５）の駆動スプロケット（２６）と、側方回動用の支点軸（３３）とを前記側面フレーム（２８）に設けるとともに、フィードチェン（５）への駆動力の伝動部との連動結合が行われる側とは反対側を支点にして回動変位し得るようにフィードチェン（５）を装設し、前記連動結合を断った状態で扱胴（６）から大きく退避移行させ得るように構成してあることを特徴とするコンバイン。 A feed chain (5) and a side cover (38) are provided on a side frame (28) longer than the front-rear length of the handling cylinder (6), and a drive sprocket (26) of the feed chain (5) is provided on the fulcrum shaft for rotation (33) wherein the side frame (28), the side where the interlocking coupling with the transmission portion of the driving force to the feed chain (5) is performed in the fulcrum opposite rotation A combine which is provided with a feed chain (5) so as to be capable of being displaced, and is configured to be able to largely retreat from the handling cylinder (6) in a state where the interlocking connection is cut off.

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