JPH09163846A - Driving device for reaping blade in combine harvester - Google Patents

Driving device for reaping blade in combine harvester

Info

Publication number
JPH09163846A
JPH09163846A JP27147296A JP27147296A JPH09163846A JP H09163846 A JPH09163846 A JP H09163846A JP 27147296 A JP27147296 A JP 27147296A JP 27147296 A JP27147296 A JP 27147296A JP H09163846 A JPH09163846 A JP H09163846A
Authority
JP
Japan
Prior art keywords
blades
blade
driving
reaping
lower blade
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.)
Granted
Application number
JP27147296A
Other languages
Japanese (ja)
Other versions
JP2935978B2 (en
Inventor
Hirotaka Otsuka
弘隆 大塚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanmar Co Ltd
Original Assignee
Yanmar Agricultural Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yanmar Agricultural Equipment Co Ltd filed Critical Yanmar Agricultural Equipment Co Ltd
Priority to JP27147296A priority Critical patent/JP2935978B2/en
Publication of JPH09163846A publication Critical patent/JPH09163846A/en
Application granted granted Critical
Publication of JP2935978B2 publication Critical patent/JP2935978B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a driving device for reaping blades aiming at the reduction of a vibrating noise caused by the driving of the reaping blades and driving the blades so as not to obstruct the conveyance of cereal culms. SOLUTION: This driving device of reaping blades in a combine harvester constituted by installing each of raking wheels 3 in parallel at the upper side of hair clipper-type reaping blades consisting of freely shuttle movable upper blades 1 and lower blades 2, is provided by forming the upper and lower blades long so that the width of the blades is wider than the width W of a passage, where the cereal culms raked in by each of the raking wheels 3 are to be passed through, and continuously installing knife heads 4, 5 for driving, respectively having U-shaped recessed parts 4a, 5a at their rear portions and driven from the rear direction of the upper blades 1 and lower blades 2 at the end part sides of the upper blades 1 and lower blades 2, which are located in the outer direction of the passage width W and also in the rear direction sides of the outermost side raising up cases.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、穀稈を刈り取る往復動
自在の上刃と下刃とをそれぞれ駆動することができるコ
ンバインの刈刃駆動装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine cutting blade drive device capable of driving an upper blade and a lower blade capable of reciprocating for cutting grain culms.

【0002】[0002]

【従来の技術】従来、例えば実開昭58−170925
号公報、実開昭54−10839号公報,実開昭56−
131843号公報等に見られるように、バリカン型の
刈刃の下刃を固定し上刃を往復摺動するように構成して
いた。
2. Description of the Related Art Conventionally, for example, Japanese Utility Model Laid-Open No. 58-170925.
Publication No. 54-10839, JP 56-10839
As can be seen in Japanese Patent No. 131843, the lower blade of a clipper-type cutting blade is fixed and the upper blade is slid back and forth.

【0003】[0003]

【発明が解決しようとする課題】そのため機械を大型化
して多条刈を可能にしようとするものにおいては刈幅が
大きくなるので、従来のコンバインの刈刃構造では、振
動が大きくなったりそれによりこじれ等が発生するとい
う不具合があった。また、刈刃駆動による振動等の低減
を沿るため、上刃と下刃とを相互に反対方向に駆動する
ことが考えられるが、そうした場合、ナイフヘッド等の
刈刃駆動部材を複数個設けなければならず、穀稈の搬送
の障害となるという不具合があった。
Therefore, since the cutting width becomes large in a machine for enlarging a machine to enable multi-row cutting, the conventional combine cutting blade structure causes large vibration and There was a problem that twisting etc. occurred. Moreover, in order to reduce vibrations and the like due to driving of the cutting blade, it is possible to drive the upper blade and the lower blade in mutually opposite directions. In such a case, a plurality of cutting blade driving members such as knife heads are provided. There was a problem that it had to be an obstacle to the transportation of grain culms.

【0004】[0004]

【課題を解決するための手段】本発明は、そのような不
具合を解決し、穀稈がナイフヘッドにあたらないように
して上刃と下刃を良好に駆動できるようにしたものであ
り、そのため、往復動自在の上刃1と下刃2とからなる
バリカン形刈刃の上方側に各掻込輪3を並設して構成す
る収穫機の刈取部において、前記上刃1と下刃2とを、
前記各掻込輪3によって掻込まれる穀稈が通過すること
になる通路幅Wより幅広となるように長く形成し、前記
通路幅Wの外方位でかつ最外側の引起しケースの後方側
となる前記上刃1と下刃2の端部側には、上刃1下刃2
の後方位より駆動されることになって後部にU状凹部4
a,5aを有する駆動用のナイフヘッド4,5をそれぞ
れ連設して構成したものである。
DISCLOSURE OF THE INVENTION The present invention solves such a problem and enables the upper blade and the lower blade to be driven well without the grain stem hitting the knife head. In a mowing part of a harvester, in which each scraping wheel 3 is arranged in parallel on the upper side of a clipper-shaped cutting blade composed of an upper blade 1 and a lower blade 2 which can reciprocate, the upper blade 1 and the lower blade 2 are provided. And
It is formed so as to be wider than the passage width W through which the grain stalks scraped by each of the scraping wheels 3 pass, and the outer side of the passage width W and the rear side of the outermost raising case. The upper blade 1 and the lower blade 2 are provided on the end side of the upper blade 1 and the lower blade 2.
It will be driven from the rear direction and the U-shaped recess 4 in the rear
Drive knife heads 4 and 5 having a and 5a are respectively connected in series.

【0005】[0005]

【作用】したがって、上刃と下刃は、掻込まれる穀稈が
あたらないようにしてそれぞれのナイフヘッドにより一
端側から良好に駆動できることになる。
Therefore, the upper blade and the lower blade can be favorably driven from one end side by their respective knife heads without hitting the grain culms to be scratched.

【0006】[0006]

【実施例】次に、図面に示す実施例について説明する。
第1図ないし第4図において、第3図はコンバインの刈
取部の一部を示し、前後方向に延出する6本の刈取りフ
レーム6の下方には上刃1と下刃2とからなるバリカン
形刈刃を横設し、前部には5個の引起しケース7を並設
し、刈刃の上方側にはそれぞれ斜前方に掻込ベルト8を
延出する5個の掻込輪3を並設するとともに、左右およ
び中央の掻込輪3から後方へ搬送チェン9,10,11
をそれぞれ延設し、多条刈りができるようにして従来形
構造同様に構成する。
Next, an embodiment shown in the drawings will be described.
1 to 4, FIG. 3 shows a part of a combine harvester, and a clipper consisting of an upper blade 1 and a lower blade 2 is provided below six harvesting frames 6 extending in the front-rear direction. Shaped cutting blades are installed side by side, five raising cases 7 are installed in parallel in the front part, and five scraping wheels 3 extend the scraping belt 8 obliquely forward on the upper side of the cutting blades. Side by side, and the transfer chains 9, 10, 11 from the left and right and the center scraping wheels 3 to the rear.
Each is extended to enable multi-row cutting, and is constructed in the same manner as the conventional structure.

【0007】上記刈刃の上刃1と下刃2とは上下に重合
するとともに6個のナイフ押さえ12により支持するよ
うにして従来形構造同様に架設するが、前記上刃1と下
刃2とを、各掻込輪3によって掻込まれる穀稈の通路幅
Wより幅広となるように長く形成し、その通路幅Wの外
方位でかつ最外側の引起しケースの後方側となる前記上
刃1の一端側後部には、後方上部へ延出するナイフヘッ
ド4を連設するとともに、前記上刃1の他端側下方とな
って前記通路幅Wの他端側外方位でかつ最外側の引起し
ケースの後方側となる前記下刃2の一端後方部には、後
方上部へ延出するナイフヘッド5を連設して構成する。
また、両ナイフヘッド4,5の後部にはU状凹部4a,
5aをそれぞれ形成し、支持枠13a,13bに枢支し
た前記上刃1の上方位となるベルクランク14a,14
bの先端に軸支するローラ15a,15bを前記U状凹
部4a,5aにそれぞれ嵌合し、後方の伝動ケース16
a,16bより駆動されて前方へ延出する揺動ロッド1
7a,17bの前端部を前記ベルクランク14a,14
bの他端にそれぞれ伝動連繋して構成する。
The upper blade 1 and the lower blade 2 of the cutting blade are vertically installed and supported by six knife holders 12, and are erected in the same manner as the conventional structure. Are formed so as to be wider than the passage width W of the grain stalks scraped by the respective scraping wheels 3, and the outer direction of the passage width W and the rear side of the outermost raising case are provided. A knife head 4 extending rearward and upward is continuously provided at a rear portion on one end side of the blade 1, and is located below the other end side of the upper blade 1 and is on the other end side of the passage width W and on the outermost side. On the rear side of the lower blade 2 on the rear side of the raising case, a knife head 5 extending to the upper rear side is continuously provided.
Further, U-shaped recesses 4a,
Bell cranks 14a, 14 which are in the upper direction of the upper blade 1 pivotally supported by the support frames 13a, 13b, respectively.
Rollers 15a and 15b axially supported at the tip of b are fitted into the U-shaped recesses 4a and 5a, respectively, and the rear transmission case 16
Swing rod 1 driven by a and 16b to extend forward
The front end portions of 7a and 17b are connected to the bell cranks 14a and 14b.
The other end of b is connected to each other by transmission.

【0008】したがって、上刃1と下刃2はそれぞれの
一端側からナイフヘッド4,5によりそれぞれ駆動され
ることになり、相互に反対方向に上刃1と下刃2が可動
しながら、振動が発生しないようにして、しかも切れ味
が良く、穀稈を刈り取ることができることになる。その
状態で、上刃下刃のナイフヘッドは、それぞれ穀稈通路
幅の外方位置でかつ最外側の引起しケースの後方側に配
置されているので、各掻込輪3により掻き込まれる穀稈
は両端側のナイフヘッド4,5に当たらないことになっ
て、整然と掻き込まれて搬送されることになる。
Therefore, the upper blade 1 and the lower blade 2 are respectively driven by the knife heads 4 and 5 from one end side thereof, and the upper blade 1 and the lower blade 2 move in opposite directions while vibrating. It is possible to mow the grain culms by preventing the occurrence of the above and having a good sharpness. In that state, since the knife heads of the upper blade and the lower blade are arranged at the outer positions of the grain culvert passage width and on the rear side of the outermost raising case, the grain scraped by the respective scraping wheels 3 is used. The culm will not hit the knife heads 4 and 5 on both ends, and will be scraped in order and conveyed.

【0009】なお、第5図は他の例を示し、前記実施例
とは同一符号で示すように略同様に構成するが、両ナイ
フヘッド4,5を一端側に接近させるとともに、ナイフ
ヘッド4より低くなるナイフヘッド5を穀稈通路側に接
近させて取り付けたものであり、穀稈がナイフヘッド5
により株元を払われないようにして掻き込まれるように
構成したものである。
FIG. 5 shows another example, which has substantially the same structure as that of the above-described embodiment as indicated by the same reference numeral, except that both knife heads 4 and 5 are brought closer to one end side, and the knife head 4 is provided. The lower knife head 5 is attached closer to the grain culvert passage side.
It is configured so that the stock is not paid and is scraped.

【0010】[0010]

【発明の効果】このように本発明は、端部のナイフヘッ
ド4,5により、振動が発生しないで切れ味が良好とな
るよう、上刃1と下刃2を相互に反対方向に良好に駆動
できることになり、その状態で、上刃下刃のナイフヘッ
ドは、それぞれ穀稈通路幅の外方位置でから最外側の引
起しケースの後方側に配置されているので、掻込輪3に
より掻込まれる穀稈はナイフヘッド4,5にあたること
なく良好に掻込まれることになって、乱れることなく整
然と搬送することができることになり、両ナイフヘッド
4,5はその後部のU状凹部4a,5aが上刃1の上方
位より効率良く駆動されて有効に駆動されることにな
り、簡単な構造にして好適に実施できる特長を有する。
As described above, according to the present invention, by the knife heads 4 and 5 at the ends, the upper blade 1 and the lower blade 2 are favorably driven in mutually opposite directions so that the sharpness can be improved without generating vibration. In this state, the knife heads of the upper and lower blades are arranged on the rear side of the outermost pulling case from the outer position of the width of the grain passage, so that the scraping wheel 3 scrapes them. The grain culms to be inserted are satisfactorily scraped without hitting the knife heads 4 and 5, and can be conveyed in an orderly manner without being disturbed, and both knife heads 4 and 5 have U-shaped recesses 4a at their rear portions. 5a is driven more efficiently than the upper azimuth of the upper blade 1 and is effectively driven, and has a characteristic that it can be suitably implemented with a simple structure.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施例である刈刃の平面図FIG. 1 is a plan view of a cutting blade that is an embodiment of the present invention.

【図2】その一部の正面図[Figure 2] Partial front view

【図3】コンバインの刈取部の一部を示す。FIG. 3 shows a part of a combine harvester.

【図4】第3図の一部の拡大図FIG. 4 is an enlarged view of a part of FIG.

【図5】他の例を示す。FIG. 5 shows another example.

【符号の説明】[Explanation of symbols]

1 上刃 2 下刃 3 掻込輪 W 通路幅 4,5 ナイフヘッド 1 Upper blade 2 Lower blade 3 Scraping wheel W Passage width 4,5 Knife head

─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成8年10月17日[Submission date] October 17, 1996

【手続補正1】[Procedure amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】全文[Correction target item name] Full text

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【書類名】 明細書[Document Name] Statement

【発明の名称】 コンバインの刈刃駆動装置Patent application title: Combine cutting blade drive

【発明請求の範囲】[Claims]

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、穀稈を刈り取る往復動
自在の上刃と下刃とをそれぞれ駆動することができるコ
ンバインの刈刃駆動装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine cutting blade drive device capable of driving an upper blade and a lower blade capable of reciprocating for cutting grain culms.

【0002】[0002]

【従来の技術】従来、例えば実開昭58−170925
号公報、実開昭54−10839号公報,実開昭56−
131843号公報等に見られるように、バリカン型の
刈刃の下刃を固定し上刃を往復摺動するように構成して
いた。
2. Description of the Related Art Conventionally, for example, Japanese Utility Model Laid-Open No. 58-170925.
Publication No. 54-10839, JP 56-10839
As can be seen in Japanese Patent No. 131843, the lower blade of a clipper-type cutting blade is fixed and the upper blade is slid back and forth.

【0003】[0003]

【発明が解決しようとする課題】そのため機械を大型化
して多条刈を可能にしようとするものにおいては刈幅が
大きくなるので、従来のコンバインの刈刃構造では、振
動が大きくなったりそれによりこじれ等が発生するとい
う不具合があった。また、刈刃駆動による振動等の低減
を沿るため、上刃と下刃とを相互に反対方向に駆動する
ことが考えられるが、そうした場合、刈刃駆動部材を複
数個設けなければならず、穀稈の搬送の障害となるとい
う不具合があった。
Therefore, since the cutting width becomes large in a machine for enlarging a machine to enable multi-row cutting, the conventional combine cutting blade structure causes large vibration and There was a problem that twisting etc. occurred. Further, in order to reduce vibrations and the like due to driving of the cutting blade, it is possible to drive the upper blade and the lower blade in mutually opposite directions, but in such a case, it is necessary to provide a plurality of cutting blade driving members. However, there was a problem that it interfered with the transportation of grain culms.

【0004】[0004]

【課題を解決するための手段】本発明は、そのような不
具合を解決し、穀稈が刈刃の駆動機にあたらないよう
に、かつ刈刃の駆動機構が地面に突込むことがないよう
に上刃と下刃を良好に駆動できるようにしたものであ
り、往復動自在の上刃1と下刃2とからなるバリカン形
刈刃の上方側に各掻込輪3を並設して構成する収穫機の
刈取部において、前記上刃1と下刃2とを、前記各掻込
輪3によって掻込まれる穀稈が通過することになる通路
幅Wより幅広となるように長く形成し、前記通路幅Wの
外方位となる前記上刃1と下刃2の端部側には、上刃1
下刃2の後方位より駆動されることになって後部にU状
凹部4a,5aを有する駆動用のナイフヘッド4,5を
それぞれ連設して構成するとともに、上刃1の上方位と
なるベルクランク14a、14bの先端に軸支するロー
ラ15a、15bを前記U状凹部4a、5aにそれぞれ
嵌合し、後方の伝動ケース16a、16bより駆動され
て前方へ延出する揺動ロッド17a、17bの前端部を
前記ベルクランク14a、14bの他端にそれぞれ伝動
連繁する刈刃駆動機構を最外側の引起ケースの後方側に
設けて構成したものである。
SUMMARY OF THE INVENTION The present invention solves such a problem so that the grain stalk does not hit the cutting blade driving machine and the cutting blade driving mechanism does not plunge into the ground. The upper blade and the lower blade can be driven well, and the scraping wheels 3 are provided in parallel on the upper side of the clipper-shaped cutting blade composed of the reciprocating upper blade 1 and the lower blade 2. In the reaping part of the harvester to be configured, the upper blade 1 and the lower blade 2 are formed to be longer than the passage width W through which the grain culms to be scraped by the scraping wheels 3 pass. On the end side of the upper blade 1 and the lower blade 2 which are in the outer direction of the passage width W, the upper blade 1
Driven from the rearward direction of the lower blade 2, the driving knife heads 4 and 5 having U-shaped recesses 4a and 5a are connected in series at the rear side, and the upper blade 1 is in the upward direction. Rollers 15a and 15b axially supported on the tips of the bell cranks 14a and 14b are fitted in the U-shaped recesses 4a and 5a, respectively, and swing rods 17a are driven by rear transmission cases 16a and 16b to extend forward. A cutting blade drive mechanism in which the front end of 17b is transmitted to the other ends of the bell cranks 14a and 14b is provided on the rear side of the outermost pulling case.

【0005】[0005]

【実施例】次に、図面に示す実施例について説明する。
第1図ないし第4図において、第3図はコンバインの刈
取部の一部を示し、前後方向に延出する6本の刈取りフ
レーム6の下方には上刃1と下刃2とからなるバリカン
形刈刃を横設し、前部には5個の引起しケース7を並設
し、刈刃の上方側にはそれぞれ斜前方に掻込ベルト8を
延出する5個の掻込輪3を並設するとともに、左右およ
び中央の掻込輪3から後方へ搬送チェン9,10,11
をそれぞれ延設し、多条刈りができるようにして従来形
構造同様に構成する。
Next, an embodiment shown in the drawings will be described.
1 to 4, FIG. 3 shows a part of a combine harvester, and a clipper consisting of an upper blade 1 and a lower blade 2 is provided below six harvesting frames 6 extending in the front-rear direction. Shaped cutting blades are installed side by side, five raising cases 7 are installed in parallel in the front part, and five scraping wheels 3 extend the scraping belt 8 obliquely forward on the upper side of the cutting blades. Side by side, and the transfer chains 9, 10, 11 from the left and right and the center scraping wheels 3 to the rear.
Each is extended to enable multi-row cutting, and is constructed in the same manner as the conventional structure.

【0006】上記刈刃の上刃1と下刃2とは上下に重合
するとともに6個のナイフ押さえ12により支持するよ
うにして従来形構造同様に架設するが、前記上刃1と下
刃2とを、各掻込輪3によって掻込まれる穀稈の通路幅
Wより幅広となるように長く形成し、その通路幅Wの外
方位でかつ最外側の引起しケースの後方側となる前記上
刃1の一端側後部には、後方上部へ延出するナイフヘッ
ド4を連設するとともに、前記上刃1の他端側下方とな
って前記通路幅Wの他端側外方位でかつ最外側の引起し
ケースの後方側となる前記下刃2の一端後方部には、後
方上部へ延出するナイフヘッド5を連設して構成する。
また、両ナイフヘッド4,5の後部にはU状凹部4a,
5aをそれぞれ形成し、支持枠13a,13bに枢支し
た前記上刃1の上方位となるベルクランク14a,14
bの先端に軸支するローラ15a,15bを前記U状凹
部4a,5aにそれぞれ嵌合し、後方の伝動ケース16
a,16bより駆動されて前方へ延出する揺動ロッド1
7a,17bの前端部を前記ベルクランク14a,14
bの他端にそれぞれ伝動連繋して構成する。
The upper blade 1 and the lower blade 2 of the cutting blade are vertically constructed so as to be supported by six knife holders 12 and are erected in the same manner as in the conventional structure. Are formed so as to be wider than the passage width W of the grain stalks scraped by the respective scraping wheels 3, and the outer direction of the passage width W and the rear side of the outermost raising case are provided. A knife head 4 extending rearward and upward is continuously provided at a rear portion on one end side of the blade 1, and is located below the other end side of the upper blade 1 and is on the other end side of the passage width W and on the outermost side. On the rear side of the lower blade 2 on the rear side of the raising case, a knife head 5 extending to the upper rear side is continuously provided.
Further, U-shaped recesses 4a,
Bell cranks 14a, 14 which are in the upper direction of the upper blade 1 pivotally supported by the support frames 13a, 13b, respectively.
Rollers 15a and 15b axially supported at the tip of b are fitted into the U-shaped recesses 4a and 5a, respectively, and the rear transmission case 16
Swing rod 1 driven by a and 16b to extend forward
The front end portions of 7a and 17b are connected to the bell cranks 14a and 14b.
The other end of b is connected to each other by transmission.

【0007】したがって、上刃1と下刃2はそれぞれの
一端側からナイフヘッド4,5によりそれぞれ駆動され
ることになり、相互に反対方向に上刃1と下刃2が可動
しながら、振動が発生しないようにして、しかも切れ味
が良く、穀稈を刈り取ることができることになる。その
状態で、上刃下刃のナイフヘッドは、それぞれ穀稈通路
幅の外方位置でかつ最外側の引起しケースの後方側に配
置されているので、各掻込輪3により掻き込まれる穀稈
は両端側のナイフヘッド4,5に当たらないことになっ
て、整然と掻き込まれて搬送されることになる。
Therefore, the upper blade 1 and the lower blade 2 are respectively driven by the knife heads 4 and 5 from one end side thereof, and the upper blade 1 and the lower blade 2 move in opposite directions while vibrating. It is possible to mow the grain culms by preventing the occurrence of the above and having a good sharpness. In that state, since the knife heads of the upper blade and the lower blade are arranged at the outer positions of the grain culvert passage width and on the rear side of the outermost raising case, the grain scraped by the respective scraping wheels 3 is used. The culm will not hit the knife heads 4 and 5 on both ends, and will be scraped in order and conveyed.

【0008】なお、第5図は他の例を示し、前記実施例
とは同一符号で示すように略同様に構成するが、両ナイ
フヘッド4,5を一端側に接近させるとともに、ナイフ
ヘッド4より低くなるナイフヘッド5を穀稈通路側に接
近させて取り付けたものであり、穀稈がナイフヘッド5
により株元を払われないようにして掻き込まれるように
構成したものである。
FIG. 5 shows another example, which has substantially the same structure as that of the above-described embodiment as indicated by the same reference numeral, except that both knife heads 4 and 5 are brought closer to one end side, and the knife head 4 is provided. The lower knife head 5 is attached closer to the grain culvert passage side.
It is configured so that the stock is not paid and is scraped.

【0009】[0009]

【発明の作用・効果】このように本発明は、端部のナイ
フヘッド4,5により、振動が発生しないで切れ味が良
好となるよう、上刃1と下刃2を相互に反対方向に良好
に駆動できることになり、その状態で、上刃下刃のナイ
フヘッドは、それぞれ穀稈通路幅の外方位置でから最外
側の引起しケースの後方側に配置されているので、掻込
輪3により掻込まれる穀稈はナイフヘッド4,5ベルク
ランク14a,14b及び揺動ロッド17a,17b等
の刈刃駆動機構にあたることなく良好に掻込まれること
になって、乱れることなく整然と搬送することができる
ことになる。また、両ナイフヘッド4,5はその後部の
U状凹部4a,5aが上刃1の上方位より効率良く駆動
されているので、刈刃駆動機構が下刃より下方に位置し
ないので刈刃駆動機構が地面に突込んだり等の地面から
の影響を少なくすることができ、簡単な構造にして好適
に実施できる特長を有する。
As described above, according to the present invention, by the knife heads 4 and 5 at the ends, the upper blade 1 and the lower blade 2 are favorably moved in opposite directions so that the sharpness is good without vibration. In this state, the knife heads of the upper and lower blades are arranged on the rear side of the outermost pulling case from the positions outside the width of the grain culvert passage. The grain culm that is scratched by is satisfactorily scraped without hitting the cutting blade drive mechanism such as the knife heads 4 and 5 bell cranks 14a and 14b and the swing rods 17a and 17b, so that it can be conveyed in an orderly manner without being disturbed. You will be able to Further, since the U-shaped recesses 4a and 5a at the rear portions of both knife heads 4 and 5 are driven more efficiently than the upward direction of the upper blade 1, the cutting blade drive mechanism is not located below the lower blade, so the cutting blade drive The mechanism has a feature that it is possible to reduce the influence of the mechanism from plunging into the ground and the like, and it is possible to suitably implement it with a simple structure.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施例である刈刃の平面図FIG. 1 is a plan view of a cutting blade that is an embodiment of the present invention.

【図2】その一部の正面図[Figure 2] Partial front view

【図3】コンバインの刈取部の一部を示す。FIG. 3 shows a part of a combine harvester.

【図4】第3図の一部の拡大図FIG. 4 is an enlarged view of a part of FIG.

【図5】他の例を示す。FIG. 5 shows another example.

【符号の説明】 1 上刃 2 下刃 3 掻込輪 W 通路幅 4,5 ナイフヘッド[Explanation of symbols] 1 upper blade 2 lower blade 3 scraping wheel W passage width 4,5 knife head

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 往復動自在の上刃1と下刃2とからなる
バリカン形刈刃の上方側に各掻込輪3を並設して構成す
る収穫機の刈取部において、前記上刃1と下刃2とを、
前記各掻込輪3によって掻込まれる穀稈が通過すること
になる通路幅Wより幅広となるように長く形成し、前記
通路幅Wの外方位でかつ最外側の引起しケースの後方側
となる前記上刃1と下刃2の端部側には、上刃1下刃2
の後方位より駆動されることになって後部にU状凹部4
a,5aを有する駆動用のナイフヘッド4,5をそれぞ
れ連設して構成したことを特徴とするコンバインの刈刃
駆動装置。
1. A harvesting section of a harvester, wherein each scraping wheel 3 is arranged in parallel on the upper side of a clipper-shaped cutting blade composed of an upper blade 1 and a lower blade 2 which can be reciprocally moved. And lower blade 2,
It is formed so as to be wider than the passage width W through which the grain stalks scraped by each of the scraping wheels 3 pass, and the outer side of the passage width W and the rear side of the outermost raising case. The upper blade 1 and the lower blade 2 are provided on the end side of the upper blade 1 and the lower blade 2.
It will be driven from the rear direction and the U-shaped recess 4 in the rear
A combine cutting blade drive device comprising drive knife heads 4 and 5 having a and 5a, respectively.
JP27147296A 1996-09-19 1996-09-19 Combine blade drive Expired - Fee Related JP2935978B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27147296A JP2935978B2 (en) 1996-09-19 1996-09-19 Combine blade drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27147296A JP2935978B2 (en) 1996-09-19 1996-09-19 Combine blade drive

Publications (2)

Publication Number Publication Date
JPH09163846A true JPH09163846A (en) 1997-06-24
JP2935978B2 JP2935978B2 (en) 1999-08-16

Family

ID=17500518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27147296A Expired - Fee Related JP2935978B2 (en) 1996-09-19 1996-09-19 Combine blade drive

Country Status (1)

Country Link
JP (1) JP2935978B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100711583B1 (en) * 2005-10-19 2007-04-27 국제종합기계 주식회사 Apparatus for operating cutting blade of combine

Also Published As

Publication number Publication date
JP2935978B2 (en) 1999-08-16

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