JP2948187B2 - Combine harvester - Google Patents
Combine harvesterInfo
- Publication number
- JP2948187B2 JP2948187B2 JP2931698A JP2931698A JP2948187B2 JP 2948187 B2 JP2948187 B2 JP 2948187B2 JP 2931698 A JP2931698 A JP 2931698A JP 2931698 A JP2931698 A JP 2931698A JP 2948187 B2 JP2948187 B2 JP 2948187B2
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- transmission shaft
- pipe
- slide
- vertical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Harvester Elements (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、機体前後方向に延出し
た刈取連結パイプ先端に刈取部を機体左右方向にスライ
ド自在に支持させるコンバインの刈取装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine harvester in which a cutting section is supported at the tip of a cutting connection pipe extending in the longitudinal direction of the machine so as to be slidable in the lateral direction of the machine.
【0002】[0002]
【従来の技術】従来、左右刈取フレームと左右伝動ケー
スを両端に保持する横連結パイプを、刈取連結パイプ先
端に機体左右方向にスライド自在に嵌合保持させると共
に、左右伝動ケース間に設ける横伝動軸を刈取連結パイ
プ先端に貫通させて横連結パイプと平行に横架し、刈取
連結パイプ内部を通す縦伝動軸先端を刈取連結パイプ内
部で一対のベベルギヤを介して横伝動軸に駆動連結さ
せ、横伝動軸上のベベルギヤは横伝動軸の摺動を許容し
乍ら横伝動軸と一体回転させることにより、スライドし
ない縦伝動軸からスライドする刈取部の横伝動軸に動力
を伝達する技術があった。2. Description of the Related Art Conventionally, a horizontal connecting pipe which holds a left and right mowing frame and a left and right transmission case at both ends is slidably fitted to the tip of the mowing connecting pipe in the lateral direction of the machine body, and a horizontal transmission provided between the left and right transmitting cases. The shaft is penetrated to the cutting connection pipe tip and laid horizontally in parallel with the horizontal connection pipe, and the vertical transmission shaft tip passing through the cutting connection pipe inside is driven and connected to the horizontal transmission shaft through a pair of bevel gears inside the cutting connection pipe, There is a technology for transmitting power to a horizontal transmission shaft of a cutting section that slides from a vertical transmission shaft that does not slide by rotating the bevel gear on the horizontal transmission shaft integrally with the horizontal transmission shaft while allowing the horizontal transmission shaft to slide. Was.
【0003】[0003]
【発明が解決しようとする課題】前記従来技術は、刈取
部のスライド支点つまり横連結パイプの軸芯に対し偏心
した位置に横伝動軸を設けていたから、横伝動軸のこじ
等が発生すると共に、刈取連結パイプ先端で横連結パイ
プ及び横伝動軸並びに横連結パイプを支点に刈取部が回
動するのを規制するガイドフレーム等が機体左右方向に
横架され、藁屑の巻付きや泥の付着等が発生し、また横
連結パイプ及び横伝動軸ごとに防塵及び防泥対策を施す
必要があった。In the prior art, the lateral transmission shaft is provided at a position eccentric with respect to the slide fulcrum of the mowing part, that is, the axis of the lateral connection pipe. At the end of the cutting connection pipe, a horizontal connection pipe, a horizontal transmission shaft, and a guide frame for restricting the rotation of the cutting section around the horizontal connection pipe are laid horizontally in the lateral direction of the machine body, and winding of straw waste and adhesion of mud. And the like, and it is necessary to take dustproof and mudproof measures for each horizontal connecting pipe and horizontal transmission shaft.
【0004】本発明の目的は、横伝動軸を刈取部のスラ
イド支点部に納め、従来のような問題を発生させること
のないコンバインの刈取装置を提供することにある。[0004] It is an object of the present invention to provide a combine harvesting device in which the lateral power transmission shaft is accommodated in a slide fulcrum portion of the cutting portion and does not cause a problem as in the prior art.
【0005】[0005]
【課題を解決するための手段】然るに本発明のコンバイ
ンの刈取装置は、機体前後方向に延出させた刈取連結パ
イプ先端に刈取部を機体左右方向にスライド自在に支持
させると共に、刈取連結パイプ内部を通す縦伝動軸先端
に一対のベベルギヤを介して駆動連結する横伝動軸を刈
取部に設けたコンバインの刈取装置において、刈取連結
パイプ先端にガイドケースを介して機体左右方向にスラ
イド自在に支持させるスライドパイプを設けると共に、
スライドパイプ中間部の刈取連結パイプ側にスライドパ
イプ軸方向に長い開口を設け、またスライドパイプ内部
に横伝動軸を設け、該開口部で縦伝動軸上のベベルギヤ
と横伝動軸上のベベルギヤを噛合わせることを特徴とす
る。According to the present invention, there is provided a combine harvesting device in which a cutting section is slidably supported in the lateral direction of the machine body at the tip of a cutting connecting pipe extending in the longitudinal direction of the machine body, and the inside of the cutting connecting pipe is provided. In a combine harvester in which a cutting part is provided with a horizontal transmission shaft that is drivingly connected to a tip of a vertical transmission shaft through a pair of bevel gears through a cutting portion, the cutting connection pipe tip is slidably supported in a lateral direction of a machine body via a guide case. In addition to providing a slide pipe,
A long opening in the slide pipe axis direction is provided on the cutting connection pipe side in the middle of the slide pipe, a horizontal transmission shaft is provided inside the slide pipe, and the bevel gear on the vertical transmission shaft and the bevel gear on the horizontal transmission shaft mesh with the opening. It is characterized by matching.
【0006】[0006]
【作 用】従って本発明のコンバインの刈取装置によれ
ば、刈取部のスライド支点であるスライドパイプ内部に
横伝動軸を納めて刈取連結パイプ内部の縦伝動軸と駆動
連結させることができるから、刈取部のスライド支点と
同軸上で横伝動軸が摺動し、軸のこじが発生しないと共
に、藁屑の巻付きや泥の付着等も発生し難くくなり、ま
たスライドパイプが横伝動軸のケースとなり横伝動軸の
防塵及び防泥対策を特別に施す必要がなくなる。According to the combine harvester of the present invention, the horizontal transmission shaft can be housed inside the slide pipe, which is the slide fulcrum of the cutting unit, and can be driven and connected to the vertical transmission shaft inside the cutting connection pipe. The horizontal transmission shaft slides coaxially with the slide fulcrum of the mowing part, preventing the shaft from being twisted, making it difficult for wrapping of straw waste and adhesion of mud, etc. It becomes a case, and there is no need to take special measures against dust and mud on the horizontal transmission shaft.
【0007】[0007]
【実施例】以下本発明の実施例を図面に基づいて詳述す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.
【0008】図1は刈取スライド部の断面説明図、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)は左右走行クローラ(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)を内装している脱穀部、(7)は穀稈縦
搬送装置を備える刈取部、(8)は排藁処理部、(9)
は運転席(10)及び運転操作部(11)を備える運転
台、(12)は脱穀部(4)からの穀粒を揚穀筒(1
3)を介し溜める穀粒タンク、(14)は前記穀粒タン
ク(12)内の穀粒を機外に取出す排出オーガ、(1
5)はコンバインの各部を駆動するエンジンであり、連
続的に刈取り・脱穀作業を行うように構成している。FIG. 1 is a sectional explanatory view of a cutting slide portion, and FIG.
FIG. 3 is a plan view of the combine, and FIG. 3 is a plan view of the combine. A stand, (4) a threshing unit in which a feed chain (5) is stretched on the left side and a handling drum (6) is installed, (7) is a reaping unit equipped with a grain culm vertical conveying device, and (8) is a straw Processing unit, (9)
Is a driver's cab provided with a driver's seat (10) and a driving operation unit (11), and (12) is a kernel (1)
3) a grain tank for storing the grain, (14) a discharge auger for taking out the grains in the grain tank (12) outside the machine, (1)
Reference numeral 5) denotes an engine for driving each part of the combine, which is configured to continuously perform harvesting and threshing work.
【0009】図4及び図5にも示す如く、刈取部(7)
は、分草板(16)を介し取入れられる未刈穀稈を起立
させる引起タイン(17)を有する3条用引起ケース
(18)と、この引起された穀稈の稈元側を掻込むスタ
ーホイル(19)及び掻込ベルト(20)と、この掻込
時稈元側を切断する刈刃(21)と、切断後の右側1条
分の穀稈の稈元側及び穂先側を左斜め後方に搬送する右
稈元搬送チェン(22)及び上下一対の右穂先搬送タイ
ン(23)と、切断後の左側2条分の穀稈の稈元側及び
穂先側を右斜め後方の右稈元搬送チェン(22)の送り
終端位置近傍に合流させる左稈元搬送チェン(24)及
び上下一対の右穂先搬送タイン(25)とを有すると共
に、右稈元搬送チェン(22)の送り終端に合流する3
条分の穀稈の稈元側及び穂先側を前記フィードチェン
(5)の送り始端に搬送受継ぎする縦搬送チェン(2
6)及び縦搬送タイン(27)を備え、刈取られた3条
分の穀稈を刈取部(7)の左右稈元搬送チェン(24)
(22)及び左右穂先搬送タイン(25)(23)と縦
搬送チェン(26)及び縦搬送タイン(27)とで形成
されるY字形穀稈搬送経路を介してフィードチェン
(5)に受継ぎさせて脱穀処理させるように構成してい
る。As shown also in FIGS. 4 and 5, the cutting section (7)
Is a three-section raising case (18) having a raising tine (17) for raising an uncut grain culm which is taken in through a weeding board (16), and a star for scraping the culm base side of the raised grain culm. A foil (19) and a scraping belt (20), a cutting blade (21) for cutting the stem side at the time of scraping, and a diagonally left side of the stem side and the tip side of the grain stem of one right after cutting. A right culm base transfer chain (22) and a pair of upper and lower right spike tines (23) to be conveyed rearward, and a right culm base diagonally rearward on the culm side and spike side of the two left-handed grain culms after cutting. It has a left culm base transfer chain (24) and a pair of upper and lower right ear tip transfer tines (25) that join near the feed end position of the transfer chain (22), and also joins the feed end of the right culm base transfer chain (22). Do 3
A vertical transport chain (2) that transports and receives the culm side and the tip side of the grain culm to the feed start end of the feed chain (5).
6) and a vertical transport tine (27), and the harvested grain culm of three rows is transported by the right and left culms of the cutting unit (7).
(22) and the feed chain (5) via a Y-shaped grain culm transfer path formed by the right and left spike transfer tines (25) and (23), the vertical transfer chain (26) and the vertical transfer tine (27). It is configured to be threshed.
【0010】脱穀部(4)の前側から、機台(3)の前
端に固設する走行ミッション(28)と左走行クローラ
(2)の間を通して、前方斜め下方に延出させる縦伝動
ケースである刈取連結パイプ(29)を備える。A vertical transmission case which extends obliquely downward and forward from a front side of the threshing unit (4) through a traveling mission (28) fixed to the front end of the machine base (3) and a left traveling crawler (2). A cutting connection pipe (29) is provided.
【0011】刈取連結パイプ(29)の上端(走行機体
側)には入力ケース(30)が固設され、入力ケース
(30)の左右側面から刈取部(7)の上下回動支点パ
イプ(31)(32)が同一軸芯上で機体左右方向に突
出固定されている。左右の上下回動支点パイプ(31)
(32)を機台(3)前端に立設固定する左右受台(3
3)(34)に回動自在に支持させ、刈取連結パイプ
(29)と機台(3)間に刈取昇降用油圧シリンダ(3
5)を架設している。An input case (30) is fixedly mounted on the upper end (traveling body side) of the cutting connection pipe (29), and a vertical fulcrum pipe (31) of the cutting section (7) is provided from the left and right side surfaces of the input case (30). And (32) are protruded and fixed in the lateral direction of the machine body on the same axis. Left and right vertical fulcrum fulcrum pipe (31)
The left and right cradle (3) for vertically fixing the (32) to the machine (3) front end
3) A rotatable support at (34) and a hydraulic cylinder (3) for raising and lowering the reaping between the reaping connecting pipe (29) and the machine base (3).
5) is installed.
【0012】刈取連結パイプ(29)の下端にはガイド
ケース(36)が一体連結され、刈取部(7)のスライ
ド支点であるスライドパイプ(37)をガイドケース
(36)に機体左右方向に摺動自在に、且つ、回転自在
に嵌合保持している。A guide case (36) is integrally connected to a lower end of the cutting connection pipe (29), and a slide pipe (37), which is a slide fulcrum of the cutting section (7), slides on the guide case (36) in the lateral direction of the machine body. It is movably and rotatably fitted and held.
【0013】スライドパイプ(37)の左端に引起ケー
ス(18)及び左稈元搬送チェン(24)及び左穂先搬
送タイン(25)へ動力伝達する左伝動ケース(38)
を取付けると共に、スライドパイプ(37)の右端に刈
刃(21)及び右稈元搬送チェン(22)及び右穂先搬
送タイン(23)へ動力伝達する右伝動ケース(39)
を取付け、スライドパイプ(37)を左右伝動ケースに
動力伝達する横伝動ケースとして用いるように構成して
いる。At the left end of the slide pipe (37), a raising case (18), a left transmission case (38) for transmitting power to the left culm base transfer chain (24) and the left ear tip transfer tine (25).
A right transmission case (39) that attaches and transmits power to the cutting blade (21), right culm base transfer chain (22) and right ear tip transfer tine (23) at the right end of the slide pipe (37).
And the slide pipe (37) is used as a lateral transmission case for transmitting power to the left and right transmission cases.
【0014】機体前後方向に平行に延出させる4本の刈
取フレーム(40)を備え、各刈取フレーム(40)の
後端が横連結パイプ(41)で一体連結され、横連結パ
イプ(41)の左右端部を連結フレーム(42)を介し
て左右伝動ケース(38)(39)の外側端部に一体連
結し、ガイドケース(36)の刈取連結パイプ(29)
の連結面と反対側面と右伝動ケース(39)間に刈取ス
ライド用油圧シリンダ(43)を架設し、刈取昇降用油
圧シリンダ(35)の伸縮動作により上下回動支点パイ
プ(31)(32)を支点に刈取部(7)を昇降させ、
また刈取スライド用油圧シリンダ(43)の伸縮動作に
より機体左右方向に刈取部(7)をスライドさせるよう
に構成している。There are provided four cutting frames (40) extending parallel to the longitudinal direction of the machine, and the rear ends of the respective cutting frames (40) are integrally connected by a horizontal connecting pipe (41). The left and right ends are integrally connected to the outer ends of the left and right transmission cases (38) and (39) via a connection frame (42), and the cutting connection pipe (29) of the guide case (36) is connected.
The cutting slide hydraulic cylinder (43) is installed between the side opposite to the connecting surface of the right and the right transmission case (39), and the vertical rotation fulcrum pipes (31) and (32) are extended and contracted by the cutting and lifting hydraulic cylinder (35). The reaping part (7) is raised and lowered with the fulcrum as a fulcrum,
Also, the mowing portion (7) is configured to slide in the lateral direction of the machine body by the expansion and contraction operation of the hydraulic cylinder (43) for mowing slide.
【0015】刈取連結パイプ(29)上端の入力ケース
(30)に上下回動支点パイプ(31)(32)と直角
な縦軸回りに回動自在に取付ける縦搬送用の伝動ケース
(44)を設けると共に、伝動ケース(44)に上下回
動支点パイプ(31)(32)と平行な横軸回りに回動
自在に取付ける縦搬送用の駆動ケース(45)を設け、
縦搬送チェン(26)及び縦搬送タイン(27)の送り
終端側を駆動ケース(45)に支持させ、刈取部(7)
の昇降及びスライドに縦搬送チェン(26)及び縦搬送
タイン(27)を追従移動させ、また縦搬送チェン(2
6)及び縦搬送タイン(27)を単独で昇降させて扱深
さ調節を行えるように構成している。A transmission case (44) for vertical conveyance, which is attached to the input case (30) at the upper end of the cutting connection pipe (29) so as to be rotatable around a vertical axis perpendicular to the vertically pivoting fulcrum pipes (31) and (32). And a drive case (45) for vertical conveyance, which is attached to the transmission case (44) so as to be rotatable about a horizontal axis parallel to the vertical rotation fulcrum pipes (31) and (32),
The feed end side of the vertical transport chain (26) and the vertical transport tine (27) is supported by the drive case (45), and the cutting unit (7)
The vertical transport chain (26) and the vertical transport tine (27) follow the vertical movement of the vertical transport chain (2).
6) and the vertical transport tines (27) are individually raised and lowered to adjust the handling depth.
【0016】図4及び図6に示す如く、刈取フレーム
(40)前端側に一体連結した支持パイプ(46)に各
引起ケース(18)下部を支持させている。左伝動ケー
ス(38)に立設固定する引起伝動パイプ(47)上端
から機体右側に横伝動パイプ(48)を一体延出させる
と共に、横伝動パイプ(48)右端側を最も右側の刈取
フレーム(40)に連結パイプ(図示省略)を介して支
持させ、各引起ケース(18)の上部を横伝動パイプ
(48)に設けるチェンケース(49)に支持させてい
る。As shown in FIGS. 4 and 6, the lower part of each raising case (18) is supported by a support pipe (46) integrally connected to the front end of the cutting frame (40). A horizontal transmission pipe (48) extends integrally from the upper end of the raising transmission pipe (47) standing and fixed to the left transmission case (38) to the right side of the fuselage, and the right end side of the horizontal transmission pipe (48) is the rightmost cutting frame ( 40) via a connecting pipe (not shown), and the upper part of each raising case (18) is supported by a chain case (49) provided on the horizontal transmission pipe (48).
【0017】一端を入力ケース(30)に固設させ、且
つ、他端を刈取連結パイプ(29)中間部に固設させる
刈取上部連結パイプ(50)を備え、運転操作部(1
1)の左側縁に沿って機体前後方向に架設する刈取サイ
ドパネル(51)中間部を刈取上部連結パイプ(50)
上面側に固設すると共に、下端を刈取上部連結パイプ
(50)の前面側に軸支させ、且つ、上端を刈取サイド
パネル(51)の中間部に軸支させる垂直な刈取上部後
支軸(52)を設け、また横伝動パイプ(48)中間部
にブラケット(53)を介して垂直な刈取上部前支軸
(54)を設ける。前後支軸(54)(52)間に張架
する回動フレーム(55)を備え、回動フレーム(5
5)の後端に固設する垂直な後軸受パイプ(56)を後
支軸(52)外側に回動自在に嵌合支持させると共に、
回動フレーム(55)の前端に固設する垂直な前軸受パ
イプ(57)を前支軸(54)外側に回動自在に嵌合支
持させ、刈取部(7)を刈取上部連結パイプ(50)及
び回動フレーム(55)によって保持させ、スライドパ
イプ(37)を支点に刈取部(7)が回動するのを、刈
取上部連結パイプ(50)及び回動フレーム(55)に
より規制し、刈取部(7)のスライドに追従して回動フ
レーム(55)を水平方向に回動させるように構成して
いる。A cutting upper connecting pipe (50) having one end fixed to the input case (30) and the other end fixed to an intermediate portion of the cutting connecting pipe (29) is provided.
1) Cutting side panel (51) erected in the longitudinal direction of the machine along the left side edge of 1).
A vertical cutting upper rear support shaft which is fixed to the upper surface, has a lower end pivotally supported by the front side of the cutting upper connecting pipe (50), and has an upper end pivotally supported by an intermediate portion of the cutting side panel (51). 52), and a vertical cutting upper front support shaft (54) is provided in the middle of the lateral transmission pipe (48) via a bracket (53). A rotating frame (55) extending between the front and rear support shafts (54) and (52);
5) A vertical rear bearing pipe (56) fixed to the rear end is rotatably fitted and supported outside the rear support shaft (52).
A vertical front bearing pipe (57) fixed to the front end of the rotating frame (55) is rotatably fitted to and supported by the outside of the front support shaft (54), and the cutting unit (7) is connected to the cutting upper connecting pipe (50). ) And the rotating frame (55), the rotation of the cutting unit (7) about the slide pipe (37) as a fulcrum is restricted by the cutting upper connecting pipe (50) and the rotating frame (55), The rotating frame (55) is configured to rotate in the horizontal direction following the slide of the mowing part (7).
【0018】図1に示す如く、刈取部(7)の右回動支
点パイプ(32)端部に刈取入力プーリ(58)を設
け、エンジン(15)からの動力を刈取入力プーリ(5
8)に伝達し、右回動支点パイプ(32)、入力ケース
(30)、刈取連結パイプ(29)、スライドパイプ
(37)の各内部を通して刈取部(7)の左右伝動ケー
ス(38)(39)に動力を伝達するもので、入力ケー
ス(30)の刈取入力軸(59)を回動支点パイプ(3
2)の軸芯上に軸架し、回動支点パイプ(32)端部か
ら外側に突出させる刈取入力軸(59)左端に刈取入力
プーリ(58)を設ける。刈取連結パイプ(29)内部
でこの側面視で軸芯上に縦伝動軸(60)を軸架し、入
力ケース(30)内部で刈取入力軸(59)中間部に縦
伝動軸(60)上端を一対のベベルギヤ(61)(6
2)を介して駆動連結する。縦搬送チェン(26)及び
縦搬送タイン(27)の動力は刈取入力軸(59)の右
端から取出される。As shown in FIG. 1, a cutting input pulley (58) is provided at the end of the right turning fulcrum pipe (32) of the cutting section (7), and power from the engine (15) is supplied to the cutting input pulley (5).
8), and the right and left transmission cases (38) and (38) of the cutting unit (7) pass through the inside of the right rotation fulcrum pipe (32), the input case (30), the cutting connection pipe (29), and the slide pipe (37). 39), and the cutting input shaft (59) of the input case (30) is connected to the rotation fulcrum pipe (3).
A cutting input pulley (58) is provided on the left end of the cutting input shaft (59) that is mounted on the shaft center of 2) and protrudes outward from the end of the rotation fulcrum pipe (32). In the cutting connection pipe (29), a vertical transmission shaft (60) is mounted on the shaft core in a side view, and inside the input case (30), a cutting transmission shaft (59) is disposed at a middle portion of the vertical transmission shaft (60). To a pair of bevel gears (61) (6)
Drive connection via 2). The power of the vertical transport chain (26) and the vertical transport tine (27) is taken out from the right end of the cutting input shaft (59).
【0019】スライドパイプ(29)内部でこの軸芯上
に横伝動軸(63)を軸架し、横伝動軸(63)の左端
部を左伝動ケース(38)に挿入させ、左伝動ケース
(38)内部で引起ケース(18)及び左稈元搬送チェ
ン(24)及び左穂先搬送タイン(25)への出力軸
(64)と横伝動軸(63)左端を一対のベベルギヤ
(65)(66)を介して駆動連結すると共に、横伝動
軸(63)の右端部を右伝動ケース(39)に挿入さ
せ、右伝動ケース(38)右側内部で刈刃駆動軸(6
7)と横伝動軸(63)右端を一対のベベルギヤ(6
8)(69)を介して駆動連結する。右稈元搬送チェン
(22)及び右穂先搬送チェン(23)の動力は右伝動
ケース(39)の左側内部の横伝動軸(63)上に設け
た出力スプロケット(30)から取出される。A horizontal transmission shaft (63) is mounted on the shaft core inside the slide pipe (29), and the left end of the horizontal transmission shaft (63) is inserted into the left transmission case (38), and the left transmission case (38) is inserted. 38) Inside, the output shaft (64) and the left end of the horizontal transmission shaft (63) to the raising case (18), the left culm base transfer chain (24) and the left ear tip transfer tine (25) are connected to a pair of bevel gears (65) (66). ), The right end of the horizontal transmission shaft (63) is inserted into the right transmission case (39), and the cutting blade drive shaft (6) is inserted inside the right transmission case (38).
7) and the right end of the lateral transmission shaft (63) to a pair of bevel gears (6).
8) Drive-coupled via (69). The power of the right culm base transfer chain (22) and the right ear tip transfer chain (23) is taken out from an output sprocket (30) provided on a horizontal transmission shaft (63) inside the left side of the right transmission case (39).
【0020】縦伝動軸(60)下端と横伝動軸(63)
との駆動連結は、縦伝動軸(60)上に設けるベベルギ
ヤ(71)と横伝動軸(63)上に設けるベベルギヤ
(72)との噛合いで行うもので、スライドパイプ(3
7)の刈取連結パイプ(29)側に開口(73)を形成
し、ガイドケース(36)の刈取連結パイプ取付部(3
6a)に対する刈取連結パイプ(29)下端の取付フラ
ンジ(74)内面から刈取連結パイプ取付部(36a)
内部に縦伝動軸(60)下端を回転自在に軸支させる軸
受部(75)を一体延出すると共に、取付フランジ(7
4)内面から開口(73)を介してスライドパイプ(3
4)内部に横伝動軸(63)上のベベルギヤ(72)の
ボス部(72a)外周を軸方向の摺動を規制して回転自
在に軸支させる軸受部(76)を一体延出させ、スライ
ドパイプ(37)の開口(73)部に突出させる縦伝動
軸(60)下端に軸方向の摺動を規制してベベルギヤ
(71)を回転自在に軸支させ、縦伝動軸(60)下端
のベベルギヤ(71)と横伝動軸(63)上のベベルギ
ヤ(72)とをスライドパイプ(74)の開口(73)
部で噛合いさせると共に、前記開口(73)は刈取部
(7)の左右スライド時のスライドパイプ(37)の摺
動を許容するようにスライドパイプ(37)の軸方向に
長い長孔に形成し、またベベルギヤ(72)は横伝動軸
(62)の多角形断面の角軸部(63a)或いはスプラ
インで軸方向の摺動を許容し、横伝動軸(63)と一体
回転させるように設け、刈取部(7)の左右伝動ケース
(38)(39)に動力伝達する横伝動軸(63)をス
ライドパイプ(37)に納め、スライドパイプ(37)
の開口(73)を介して刈取連結パイプ(29)内部の
縦伝動軸(60)から横伝動軸(63)に動力伝達する
ように構成している。The lower end of the vertical transmission shaft (60) and the horizontal transmission shaft (63)
And the bevel gear (71) provided on the vertical transmission shaft (60) and the bevel gear (72) provided on the horizontal transmission shaft (63).
An opening (73) is formed on the cutting connection pipe (29) side of (7), and the cutting connection pipe mounting portion (3) of the guide case (36) is formed.
6a) from the inner surface of the mounting flange (74) at the lower end of the cutting connection pipe (29) to the cutting connection pipe mounting portion (36a).
A bearing portion (75) for rotatably supporting the lower end of the vertical transmission shaft (60) is integrally extended therein, and a mounting flange (7) is provided.
4) Slide pipe (3) from the inner surface through opening (73).
4) A bearing portion (76) for internally supporting a boss portion (72a) of the bevel gear (72) on the lateral transmission shaft (63) to rotatably support the outer periphery of the boss portion (72a) by restricting sliding in the axial direction. The lower end of the vertical transmission shaft (60) protruding from the opening (73) of the slide pipe (37) regulates axial sliding at the lower end to rotatably support the bevel gear (71), and the lower end of the vertical transmission shaft (60). The bevel gear (71) and the bevel gear (72) on the horizontal transmission shaft (63) are connected to the opening (73) of the slide pipe (74).
And the opening (73) is formed as a long slot in the axial direction of the slide pipe (37) so as to allow the slide pipe (37) to slide when the cutting part (7) slides left and right. In addition, the bevel gear (72) is provided so as to allow sliding in the axial direction by a polygonal cross-section angular shaft part (63a) or a spline of the lateral transmission shaft (62) and to rotate integrally with the lateral transmission shaft (63). The horizontal transmission shaft (63) for transmitting power to the left and right transmission cases (38) and (39) of the cutting unit (7) is housed in the slide pipe (37), and the slide pipe (37)
Power is transmitted from the vertical transmission shaft (60) inside the cutting connection pipe (29) to the horizontal transmission shaft (63) through the opening (73).
【0021】図7に示す如く、横伝動軸(63)を、縦
伝動軸(60)とベベルギヤ(71)(72)を介して
駆動連結する中央横伝動軸(63a)と、出力軸(6
4)とベベルギヤ(65)(66)を介して駆動連結す
る左横伝動軸(63b)と刈刃駆動軸(67)とベベル
ギヤ(68)(69)を介して駆動連結し、且つ、軸上
に出力スプロケット(70)を設ける右横伝動軸(63
c)とに分割し、中央横伝動軸(63a)中間部を軸方
向の摺動を規制して軸受部(72a)に回転自在に軸支
させると共に、ベベルギヤ(72)を中央横伝動軸(6
3a)中間部に軸方向の摺動を規制して一体回転自在に
嵌合させ、また中央横伝動軸(63a)の中間部より左
側を摺動自在に嵌合させる左筒軸(77)を左横伝動軸
(63b)に一体連結し、左筒軸(77)外面をスライ
ドパイプ(36)左側内部に軸方向の摺動を許容して回
転自在に軸受けし、中央横伝動軸(63a)の中間部よ
り右側を摺動自在に嵌合させる右筒軸(78)を右横伝
動軸(63c)に一体連結し、右筒軸(78)外面をス
ライドパイプ(36)右側内部に軸方向の摺動を許容し
て回転自在に軸受けし、左右筒軸(77)(78)を中
央横伝動軸(63a)にスプラインで連結、或いは、中
央横伝動軸(63a)中央部から左右を断面多角形に形
成し、その断面に対応する摺動自在な多角形の軸孔を設
けた係合部材(79)(80)を左右筒軸(77)(7
8)先端に設け、中央横伝動軸(63a)から左右横伝
動軸(63b)(63c)に回転を伝達するように構成
し、縦伝動軸(60)のベベルギヤ(71)と噛合うベ
ベルギヤ(72)に対して横伝動軸(63)を摺動させ
て、刈取部(7)のスライドに対応するのではなく、中
央横軸(63a)に対する左右筒軸(77)(78)の
嵌合代変化で刈取部(7)のスライド分を吸収し、刈取
部(7)のスライドに対応することが図1に示す構造よ
りもさらに好ましい態様となる。As shown in FIG. 7, a central horizontal transmission shaft (63a) drivingly connecting the horizontal transmission shaft (63) to the vertical transmission shaft (60) via bevel gears (71) and (72), and an output shaft (6).
4) is driven and connected via bevel gears (65) and (66) to the left lateral transmission shaft (63b), is driven and connected to the cutting blade drive shaft (67) via bevel gears (68) and (69), and is on-axis. Right output shaft (63) with output sprocket (70)
c), the intermediate portion of the central horizontal transmission shaft (63a) is restricted to slide in the axial direction and is rotatably supported by the bearing portion (72a), and the bevel gear (72) is connected to the central horizontal transmission shaft (63). 6
3a) A left cylindrical shaft (77), which is fitted to the intermediate portion so as to be rotatable integrally with the axial direction while restricting sliding in the axial direction, and is slidably fitted on the left side of the intermediate portion of the central horizontal transmission shaft (63a). It is integrally connected to the left horizontal transmission shaft (63b), and the outer surface of the left cylindrical shaft (77) is rotatably supported inside the left side of the slide pipe (36) while allowing axial sliding, and the central horizontal transmission shaft (63a). The right cylinder shaft (78), which is slidably fitted on the right side from the middle of the shaft, is integrally connected to the right lateral transmission shaft (63c), and the outer surface of the right cylinder shaft (78) is axially inserted into the right side of the slide pipe (36). The left and right cylindrical shafts (77) and (78) are connected to the central horizontal transmission shaft (63a) by splines, or the right and left cross sections from the center of the central horizontal transmission shaft (63a) are allowed. An engaging member (7) formed in a polygonal shape and provided with a slidable polygonal shaft hole corresponding to its cross section. ) (80) left and right cylinder axis (77) (7
8) The bevel gear (71) of the vertical transmission shaft (60), which is provided at the distal end and is configured to transmit rotation from the central horizontal transmission shaft (63a) to the left and right horizontal transmission shafts (63b) (63c), and mesh with the bevel gear (71) of the vertical transmission shaft (60). The right and left cylindrical shafts (77) and (78) are fitted to the central horizontal shaft (63a) instead of sliding the horizontal transmission shaft (63) with respect to the central horizontal shaft (63a). It is more preferable than the structure shown in FIG. 1 to absorb the slide amount of the mowing part (7) by changing the margin and to cope with the sliding of the mowing part (7).
【0022】[0022]
【発明の効果】以上実施例から明らかなように本発明
は、機体前後方向に延出させた刈取連結パイプ(29)
先端に刈取部(7)を機体左右方向にスライド自在に支
持させると共に、刈取連結パイプ(29)内部を通す縦
伝動軸(60)先端に一対のベベルギヤ(71)(7
2)を介して駆動連結する横伝動軸を刈取部(7)に設
けたコンバインの刈取装置において、刈取連結パイプ
(29)先端にガイドケース(36)を介して機体左右
方向にスライド自在に支持させるスライドパイプ(3
7)を設けると共に、スライドパイプ(37)中間部の
刈取連結パイプ(29)側にスライドパイプ(37)軸
方向に長い開口(73)を設け、またスライドパイプ
(37)内部に横伝動軸(63)を設け、該開口部(7
3)で縦伝動軸(60)上のベベルギヤ(71)と横伝
動軸(63)上のベベルギヤ(72)を噛合わせるもの
で、刈取部(7)のスライド支点であるスライドパイプ
(37)内部に横伝動軸(63)を納めて刈取連結パイ
プ(29)内部の縦伝動軸(60)と駆動連結させるこ
とができるから、刈取部(7)のスライド支点と同軸上
で横伝動軸(63)が摺動し、軸のこじが発生しないと
共に、藁屑の巻付きや泥の付着等も発生し難くくなり、
またスライドパイプ(37)が横伝動軸(63)のケー
スとなり横伝動軸(63)の防塵及び防泥対策を特別に
施す必要がなくなる。従って、スライド式刈取部(7)
への動力伝達構造の簡単化により、コストダウン、軽量
化等を容易に図ることができる顕著な効果を奏するもの
である。As is apparent from the above embodiments, the present invention relates to a cutting connection pipe (29) extending in the longitudinal direction of the machine.
The cutting portion (7) is slidably supported in the machine body left-right direction at the tip, and a pair of bevel gears (71) (7) are provided at the tip of a vertical transmission shaft (60) passing through the inside of the cutting connection pipe (29).
In a combine harvester in which a horizontal transmission shaft, which is drivingly connected via 2), is provided in a cutting section (7), the end of the cutting connection pipe (29) is slidably supported in the lateral direction of the machine via a guide case (36). Slide pipe (3
7), the slide pipe (37) is provided with a long opening (73) in the axial direction on the cutting connection pipe (29) side in the middle of the slide pipe (37), and the horizontal transmission shaft (37) is provided inside the slide pipe (37). 63) and the opening (7
In 3), the bevel gear (71) on the vertical transmission shaft (60) meshes with the bevel gear (72) on the horizontal transmission shaft (63), and the inside of the slide pipe (37), which is the slide fulcrum of the cutting unit (7). Can be driven and connected to the vertical transmission shaft (60) inside the cutting connection pipe (29), so that the horizontal transmission shaft (63) is coaxial with the slide fulcrum of the cutting unit (7). ) Slides to prevent the shaft from being twisted, and it is also unlikely that winding of straw waste or adhesion of mud will occur.
Further, the slide pipe (37) becomes a case of the horizontal transmission shaft (63), so that it is not necessary to take special measures against dust and mud of the horizontal transmission shaft (63). Therefore, the slide type mowing part (7)
With the simplification of the power transmission structure to the motor, there is a remarkable effect that cost reduction and weight reduction can be easily achieved.
【図1】刈取スライド部の断面説明図。FIG. 1 is an explanatory sectional view of a cutting slide portion.
【図2】コンバインの全体側面図。FIG. 2 is an overall side view of the combine.
【図3】コンバインの全体平面図。FIG. 3 is an overall plan view of the combine.
【図4】刈取部の側面図。FIG. 4 is a side view of the reaper.
【図5】刈取部の平面図。FIG. 5 is a plan view of a reaper.
【図6】刈取部の保持構造を示す平面図。FIG. 6 is a plan view showing a holding structure of the mowing unit.
【図7】刈取部への動力伝達の変形例を示す刈取スライ
ド部の断面説明図。FIG. 7 is an explanatory cross-sectional view of a cutting slide unit showing a modified example of power transmission to the cutting unit.
(7) 刈取部 (29) 刈取連結パイプ (36) ガイドケース (37) スライドパイプ (59) 刈取入力軸 (60) 縦伝動軸 (63) 横伝動軸 (71)(72) ベベルギヤ (73) 開口 (7) Cutting part (29) Cutting connection pipe (36) Guide case (37) Slide pipe (59) Cutting input shaft (60) Vertical transmission shaft (63) Horizontal transmission shaft (71) (72) Bevel gear (73) Opening
Claims (3)
プ先端に刈取部を機体左右方向にスライド自在に支持さ
せると共に、刈取連結パイプ内部を通す縦伝動軸先端に
一対のベベルギヤを介して駆動連結する横伝動軸を刈取
部に設けたコンバインの刈取装置において、刈取連結パ
イプ先端にガイドケースを介して機体左右方向にスライ
ド自在に支持させるスライドパイプを設けると共に、ス
ライドパイプ中間部に刈取連結パイプからスライドパイ
プに動力を伝達するための軸方向に長い開口を設け、該
開口部をガイドケースにて覆うことを特徴とするコンバ
インの刈取装置。A cutting section is supported at the tip of a cutting connection pipe extending in the front-rear direction of the machine so as to be slidable in the left-right direction of the machine, and driven by a pair of bevel gears at the tip of a vertical transmission shaft passing through the inside of the cutting connection pipe. In a combine harvester in which a connecting lateral transmission shaft is provided in a cutting section, a slide pipe is provided at a leading end of the cutting connection pipe so as to be slidable in a lateral direction of the machine through a guide case, and a cutting connection pipe is provided in an intermediate portion of the slide pipe. A long opening in the axial direction for transmitting power from the slide pipe to the slide pipe, and the opening is covered with a guide case.
在に嵌合し、スライドパイプの開口部を覆う請求項1記
載のコンバインの刈取装置。2. A combine harvester according to claim 1, wherein the slide pipe is slidably fitted in the guide case to cover the opening of the slide pipe.
を設け、縦伝動軸から左右伝動ケースに動力伝達する横
伝動軸をスライドパイプに納めた請求項1記載のコンバ
インの刈取装置。3. The combine harvester according to claim 1, wherein left and right transmission cases are provided at both ends of the slide pipe, and a horizontal transmission shaft for transmitting power from the vertical transmission shaft to the left and right transmission case is accommodated in the slide pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2931698A JP2948187B2 (en) | 1998-01-26 | 1998-01-26 | Combine harvester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2931698A JP2948187B2 (en) | 1998-01-26 | 1998-01-26 | Combine harvester |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13836394A Division JP2784884B2 (en) | 1994-05-26 | 1994-05-26 | Combine harvester |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10191740A JPH10191740A (en) | 1998-07-28 |
JP2948187B2 true JP2948187B2 (en) | 1999-09-13 |
Family
ID=12272824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2931698A Expired - Fee Related JP2948187B2 (en) | 1998-01-26 | 1998-01-26 | Combine harvester |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2948187B2 (en) |
-
1998
- 1998-01-26 JP JP2931698A patent/JP2948187B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH10191740A (en) | 1998-07-28 |
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