JPH03112409A - Cutting blade apparatus of combine or the like - Google Patents
Cutting blade apparatus of combine or the likeInfo
- Publication number
- JPH03112409A JPH03112409A JP25305589A JP25305589A JPH03112409A JP H03112409 A JPH03112409 A JP H03112409A JP 25305589 A JP25305589 A JP 25305589A JP 25305589 A JP25305589 A JP 25305589A JP H03112409 A JPH03112409 A JP H03112409A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- swing
- reciprocatively
- cutting blade
- link metal
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 15
- 208000019300 CLIPPERS Diseases 0.000 claims abstract description 7
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 claims abstract description 7
- 238000005299 abrasion Methods 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 244000025254 Cannabis sativa Species 0.000 description 2
- 238000009333 weeding Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Landscapes
- Harvester Elements (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
この発明は、コンバイン等の刈刃装置に関するもので、
コンバインやバインダに利用できる。[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a cutting blade device such as a combine harvester.
Can be used for combiners and binders.
(従来の技術、及び発明が解決しようとする課題)回動
軸回りに往復回動する一対の揺動アームによって、バリ
カン形態刈刃の下刃と上刃とを相互に反対方向へ往復揺
動させる構成のコンバイン等の刈刃装置において、これ
ら一対の揺動アーム間を長孔部とこの長孔部に係合する
ピーン軸とによって連動すべく連結する形態にあっては
、この長孔部のため回動時において騒音が発生したり、
又、摩耗を起しやすく長期に亘って安定した性能が維持
し難い。(Prior art and problem to be solved by the invention) A pair of swinging arms that reciprocate around a rotation axis reciprocate the lower and upper blades of the clipper-shaped cutting blade in opposite directions. In a cutting blade device such as a combine harvester having a structure of This may cause noise when rotating,
Furthermore, it is prone to wear and it is difficult to maintain stable performance over a long period of time.
そこでこの発明は、上記のような課題を解消して騒音の
少ない長期に亘って安定した精度及び性能を維持しよう
とするものである。Therefore, the present invention aims to solve the above-mentioned problems and maintain stable accuracy and performance over a long period of time with little noise.
(課題を解決するための手段)
この発明は、回動軸1,2回りに往復回動してバリカン
形態刈刃の下刃3と上刃4とを相互に反対方向へ往復揺
動する一対の揺動アーム5,6間を、リンクメタル7で
回動のみ許す軸連結としてなるコンバイン等の刈刃装置
の構成とする。(Means for Solving the Problems) This invention provides a pair of lower blades 3 and upper blades 4 of clipper-shaped cutting blades that reciprocate around rotation shafts 1 and 2 and reciprocate in opposite directions. A cutting blade device such as a combine harvester is configured such that a link metal 7 connects the swinging arms 5 and 6 with a shaft that only allows rotation.
(発明の作用、及び効果)
一方の揺動アーム5が回動軸1回りに往復回動されると
、この揺動アーム5とリンクメタル7で軸連結された他
方の揺動アーム6は、回動軸2回りに往復回動される。(Operations and Effects of the Invention) When one swing arm 5 is reciprocated around the rotation shaft 1, the other swing arm 6, which is axially connected to this swing arm 5 by a link metal 7, It is rotated back and forth around two rotation axes.
これら一対の揺動アーム5゜6の往復回動によって、バ
リカン形態刈刃の下刃3と上刃4とは相互に反対方向へ
往復揺動する。By reciprocating the pair of swinging arms 5.degree.6, the lower blade 3 and upper blade 4 of the clipper-shaped cutting blade reciprocate in opposite directions.
これら一対の揺動アーム5,6間をリンクメタルアで回
動のみ許す軸連結とし、従来技術のように長孔とピン軸
との連動連結の構成としないから、騒音の発生も少なく
、又、摩耗も少なく、長期に亘って精度を維持すること
ができ、性能の安定化を図ることができる。Since the pair of swinging arms 5 and 6 are connected by a link metal axle that only allows rotation, and the structure is not an interlocking connection between an elongated hole and a pin shaft as in the prior art, there is less noise generation. , there is less wear, accuracy can be maintained over a long period of time, and performance can be stabilized.
又、一対の揺動アーム5,6の間をリンクメタル7で軸
連結することによって下刃3と上刃4どの位相を合わせ
ることができるから、この位相合わせのための調整が不
要となり1組立を容易化することができる。In addition, by connecting the pair of swinging arms 5 and 6 with the link metal 7, the phases of the lower blade 3 and the upper blade 4 can be matched, which eliminates the need for adjustment for this phase matching, and only one assembly is required. can be facilitated.
(実施例)
なお、回倒において、刈取装置8は刈取フレーム9の下
端にギヤーケース10を左右方向にT字状に設け、この
ギヤーケース10の下側に刈取枠11を設けて、この刈
取枠11の前フレーム12に殻稈を分草する複数の分草
杆13を前方へ突出して設けている。(Example) In the rotation, the reaping device 8 is provided with a gear case 10 in a T-shape in the left-right direction at the lower end of the reaping frame 9, and a reaping frame 11 provided on the lower side of the gear case 10. A plurality of weeding rods 13 for weeding the culm are provided on the front frame 12 of the frame 11 so as to protrude forward.
前フレーム12の分草杆13取付位置に、前方へ突出す
る取付板14が設けられ、この取付板14に側面からみ
てL字状の刈刃台15を左右外側の分草杆13の間に亘
って設け、この刈刃台15上にバリカン形態刈刃を装着
している。A mounting plate 14 protruding forward is provided at the mounting position of the grass dividing rod 13 on the front frame 12, and an L-shaped cutting blade stand 15 is mounted on this mounting plate 14 between the left and right outer grass dividing rods 13. A clipper-shaped cutting blade is mounted on the cutting blade stand 15.
バリカン形態刈刃は、下刃3と上刃4とを互いに摺動自
在に重合させた構成で、下刃3は山形状の複数の刈刃を
下側方パー上にリベットで固着して連設した形状で、こ
の下側方バーの下側に下側方ヘッド16を後方へ突出さ
せて一体的に設けている。上刃4は、山形状の複数の刈
刃を上刈刃バーの下面にリベットで固着して連設した形
状で、この上刈刃バーの上側に上刈刃ヘッド17を後方
へ突出させて一体的に設けている。下側方ヘッド16は
上方へ弯曲させて後端部は上刈刃ヘッド17と同一高さ
位置としている。そしてこれら下側方ヘッド16と上刈
刃ヘッド17とは、下刃3と上刃4との左右−側寄りの
位置に左右並設している。18は刃押えで、下刃3と上
刃4とを摺動自在に圧接するよう適宜間隔に複数個設け
ている。The clipper-shaped cutting blade has a structure in which a lower blade 3 and an upper blade 4 are slidably overlapped with each other. In this shape, a lower head 16 is integrally provided on the lower side of the lower side bar and projects rearward. The upper blade 4 has a shape in which a plurality of chevron-shaped cutting blades are fixed to the lower surface of the upper cutting blade bar with rivets and arranged in series, and an upper cutting blade head 17 is made to protrude rearward from the upper side of the upper cutting blade bar. It is integrated. The lower side head 16 is curved upward so that its rear end is at the same height as the upper cutting blade head 17. The lower side head 16 and the upper cutting blade head 17 are arranged side by side on the left and right sides of the lower blade 3 and the upper blade 4. A plurality of blade holders 18 are provided at appropriate intervals so as to press the lower blade 3 and the upper blade 4 into slidable contact with each other.
前記刈取枠11の左右−側には、前フレーム12とこの
刈取枠11の前後方向の部材19とに亘って該前フレー
ム12の後部に支持板20を設けている。Support plates 20 are provided on the left and right sides of the reaping frame 11 at the rear of the front frame 12, extending between the front frame 12 and the member 19 in the front-rear direction of the reaping frame 11.
支持板20には、この支持板20の回動軸1゜2回りに
回動自在の一対の揺動アーム5,6を設けている。The support plate 20 is provided with a pair of swing arms 5 and 6 that are rotatable around the rotation axis of the support plate 20 at 1°2.
これら一対の揺動アーム5,6のうち刈取枠11の前後
方向の部材19側寄りに設けられる揺動アーム6の先端
下部に、ローラ21を回転自在に設け、このローラ21
は上刈刃ヘッド17の切欠部に回転自在に嵌入させてい
る。そしてこの揺動アーム6の横側に並設する揺動アー
ム5の先端下部に、ローラ22を回転自在に設け、この
ローラ22は下側方ヘッド16の切欠部に回転自在に嵌
入させている。A roller 21 is rotatably provided at the lower end of the swinging arm 6, which is provided closer to the member 19 side in the longitudinal direction of the reaping frame 11, of the pair of swinging arms 5 and 6.
is rotatably fitted into the notch of the upper cutting blade head 17. A roller 22 is rotatably provided at the lower end of the swing arm 5 which is arranged side by side with the swing arm 6, and the roller 22 is rotatably fitted into a notch in the lower head 16. .
これら一対の揺動アーム5,6の間において、これらの
揺動アーム5,6からアーム5a、6aを各々突出させ
て設け、これらアーム5a、6aの先端に軸5b、6b
を設けている。これらアーム5a、6aは前後方向に並
設して、該軸5b。Between these pair of swinging arms 5, 6, arms 5a, 6a are provided to protrude from these swinging arms 5, 6, respectively, and shafts 5b, 6b are provided at the tips of these arms 5a, 6a.
has been established. These arms 5a and 6a are arranged in parallel in the front-rear direction and form the shaft 5b.
6bに回動自在に嵌入するリンクメタル7によって、一
対の揺動アーム5,6の間を回動のみ許す軸連結とした
構成としている。A link metal 7 rotatably fitted into the arm 6b provides a shaft connection that allows only rotation between the pair of swing arms 5 and 6.
該リンクメタル7の下方には泥土抜用の開口部23を支
持板20に設けている。An opening 23 for removing mud is provided in the support plate 20 below the link metal 7.
刈取フレーム9内装の伝動軸から伝動されるギヤーケー
ス10下部の駆動アーム24と、一方の揺動アーム6の
後端とは駆動ロッド25で連動連結し、該駆動アーム7
24の回動によってリンクメタル7を介して一対の揺動
アーム5,6が回動軸1.2回りに往復回動して、これ
ら一対の揺動アーム5,6によって下刃3と上刃4とが
相互に反対方向へ往復揺動するように連動構成している
。A drive arm 24 at the lower part of the gear case 10, which receives power from a transmission shaft inside the reaping frame 9, is interlocked with the rear end of one of the swing arms 6 through a drive rod 25, and the drive arm 7
Due to the rotation of 24, the pair of swinging arms 5 and 6 reciprocate around the rotation axis 1.2 via the link metal 7, and the lower blade 3 and the upper blade are rotated by the pair of swinging arms 5 and 6. 4 are interlocked so that they swing back and forth in opposite directions.
この駆動ロッド25は左右刈取幅方向に向けて設け、刈
取殻稈を脱穀部へ合流集送する搬送チェノ26のライン
よりも該駆動ロッド25を駆動する駆動アーム24を後
方に位置させると共に、この駆動ロッド25は搬送チェ
ノ26とほぼ平行状態で後方位置に設けている。This drive rod 25 is provided facing in the right and left reaping width direction, and the drive arm 24 that drives the drive rod 25 is located rearward of the line of the conveyor chino 26 that collects and collects the harvested husk to the threshing section. The drive rod 25 is provided at a rear position substantially parallel to the conveyor chino 26.
駆動アーム24が伝動回動されると、駆動ロッド25が
連動されて一方の揺動アーム6が回動軸2回りに往復回
動され、前端のローラ21によって上剥刃ヘッド17を
介して上刃4が左右往復揺動する。When the drive arm 24 is transmitted and rotated, the drive rod 25 is interlocked to cause one of the swing arms 6 to reciprocate around the rotation shaft 2, and the roller 21 at the front end passes the upper stripping head 17 to the upper end. The blade 4 swings back and forth left and right.
この揺動アーム6の往復回動によってリンクメタル7を
介して他方の揺動アーム5が回動軸1回りに往復回動さ
れ、前端のローラ22によって、下列刃ヘッド16を介
して下刃3が上刃4に対して相互に左右反対方向へ往復
揺動するように連動される。This reciprocating rotation of the swing arm 6 causes the other swing arm 5 to reciprocate around the rotation axis 1 via the link metal 7, and the lower blade 3 is moved by the roller 22 at the front end through the lower row blade head 16. are interlocked with respect to the upper blade 4 so as to swing back and forth in left and right opposite directions.
これら一対の揺動アーム5,6間は、リンクメタル7を
一対の揺動アーム5,6のピン5b、6bに回転自在に
嵌合して、回動のみ許す軸連結としたから、往復回動時
において遊びがなく、精度高く円滑に刈刃を揺動させる
ことができる。The link metal 7 is rotatably fitted to the pins 5b and 6b of the pair of swinging arms 5 and 6 to form an axial connection between the pair of swinging arms 5 and 6, which allows only rotation, so that the two swinging arms 5 and 6 can rotate reciprocatingly. There is no play during movement, and the cutting blade can be swung precisely and smoothly.
又、リンクメタル7で一対の揺動アーム5.6を軸連結
することによって、上刃4と下刃3どの位相を決めるこ
とができるから調整の必要がなく。Furthermore, by connecting the pair of swinging arms 5.6 with the link metal 7, the phase of the upper blade 4 and lower blade 3 can be determined, eliminating the need for adjustment.
長期に亘って安定した性能を維持することができる。Stable performance can be maintained over a long period of time.
なお、一対の揺動アーム5,6を往復回動する駆動ロッ
ド25は搬送チェノ26のラインより後方へ位置させて
設けたから、この搬送チェノ26によって搬送される雑
草やわら屑等が堆積することがない。In addition, since the drive rod 25 for reciprocating the pair of swinging arms 5 and 6 is positioned rearward from the line of the conveyor cheno 26, weeds, straw debris, etc. conveyed by the conveyor chino 26 do not accumulate. There is no.
図はこの発明の一実施例を示すもので、第1図は平面図
、第2図はその一部の拡大側断面図、第3図は側面図で
ある。
図中、符号1,2は回動軸、3は下刃、4は上刃、5,
6は揺動アーム、7はリンクメタルを示す。The drawings show an embodiment of the present invention; FIG. 1 is a plan view, FIG. 2 is an enlarged side sectional view of a portion thereof, and FIG. 3 is a side view. In the figure, numerals 1 and 2 are rotation axes, 3 is a lower blade, 4 is an upper blade, 5,
6 indicates a swing arm, and 7 indicates a link metal.
Claims (1)
刃3と上刃4とを相互に反対方向へ往復揺動する一対の
揺動アーム5、6間を、リンクメタル7で回動のみ許す
軸連結としてなるコンバイン等の刈刃装置。A link metal 7 is connected between a pair of swinging arms 5 and 6 that reciprocate around the rotation shafts 1 and 2 to swing the lower blade 3 and upper blade 4 of the clipper-shaped cutting blade back and forth in opposite directions. A cutting blade device such as a combine harvester that has a shaft connection that only allows rotation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25305589A JP2897278B2 (en) | 1989-09-27 | 1989-09-27 | Cutting blade device such as combine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25305589A JP2897278B2 (en) | 1989-09-27 | 1989-09-27 | Cutting blade device such as combine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03112409A true JPH03112409A (en) | 1991-05-14 |
JP2897278B2 JP2897278B2 (en) | 1999-05-31 |
Family
ID=17245857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25305589A Expired - Lifetime JP2897278B2 (en) | 1989-09-27 | 1989-09-27 | Cutting blade device such as combine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2897278B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010530311A (en) * | 2007-06-20 | 2010-09-09 | グレンツェバッハ・マシーネンバウ・ゲーエムベーハー | Separation device for production line |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10568259B2 (en) | 2018-01-09 | 2020-02-25 | Cnh Industrial America Llc | Center link knife drive for a header of an agricultural harvester |
-
1989
- 1989-09-27 JP JP25305589A patent/JP2897278B2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010530311A (en) * | 2007-06-20 | 2010-09-09 | グレンツェバッハ・マシーネンバウ・ゲーエムベーハー | Separation device for production line |
US8978531B2 (en) | 2007-06-20 | 2015-03-17 | Grenzebach Maschinenbau Gmbh | Separating device for an assembly line type production line |
Also Published As
Publication number | Publication date |
---|---|
JP2897278B2 (en) | 1999-05-31 |
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