JPS61280207A - Reaper lift apparatus of combine - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 産業上の利用分野 この発明は、コンバインの刈取昇降装置に関する。[Detailed description of the invention] Industrial applications The present invention relates to a reaping lifting device for a combine harvester.

従来技術、および発明が解決しようとする問題点 機体の前部に刈取する殻稈を引起す引起し装置、引起さ
れた殻稈の株元部を切断する刈刃装置、この刈取殻稈を
後部脱穀装置に向けて移送する殻稈移送装置等からなる
刈取装置を装備するコンバインにあっては、一般にこの
刈取装置は１機体に対して油圧シリンダ機構によって昇
降自在に懸架されており、コンバイン作業時における刈
高さ調節あるいは畦越え等の場合に昇降させて安全走行
を行うが、このコンバイン作業中は、該油圧シリンダ機
構の周囲に多量のわら屑や塵埃、及びクローラを有する
走行装置から泥が跳上る等によって、これらが堆積して
昇降作動がスムーズに行い難い。Prior Art and Problems to be Solved by the Invention A pulling device that pulls up the culm to be reaped at the front of the aircraft body, a cutting blade device that cuts the stock base of the pulled up culm, and a device that pulls up the culm to be reaped at the front of the aircraft body, a cutting blade device that cuts the stock base of the culm that has been pulled up, and In a combine harvester equipped with a reaping device consisting of a culm transfer device etc. that transfers the husk toward the threshing device, this reaping device is generally suspended from one unit by a hydraulic cylinder mechanism so that it can be raised and lowered freely, and when the combine is working, The combine harvester is raised and lowered to ensure safe driving when adjusting the cutting height or when going over ridges, but during this work, there is a large amount of straw and dust around the hydraulic cylinder mechanism, as well as mud from the crawler-equipped traveling device. Due to jumping, etc., these particles accumulate, making it difficult to perform the lifting and lowering operations smoothly.

問題点を解決するための手段 この発明は、下面に向けて開溝（１）した断面口状で一
端を機体（２）に対して上下回動自在に枢着しかつ上方
部には昇降自在の刈取装置（３）の殻稈移送装置（４）
を位置させて支持する昇降アーム（５）を、機体（２）
との間で油圧により伸縮される油圧シリンダ（６）機構
に、この昇降アーム（５）下面の開溝（１）部に該油圧
シリンダ（６）機構の上端を嵌合させて連結してなるコ
ンバインの刈取昇降装置の構成とする。Means for Solving the Problems This invention has a cross-sectional opening shaped like a groove (1) opening toward the lower surface, one end of which is pivotally connected to the fuselage (2) so as to be vertically movable, and the upper part is vertically movable. culm transfer device (4) of reaping device (3)
The lifting arm (5) that positions and supports the fuselage (2)
The upper end of the hydraulic cylinder (6) mechanism is fitted into the open groove (1) on the lower surface of the elevating arm (5) and connected to the hydraulic cylinder (6) mechanism which is expanded and contracted by hydraulic pressure between the lift arm (5) and the lift arm (5). This is the configuration of a reaping lifting device for a combine harvester.

発明の作用、および効果 コンバイン作業は、油圧により伸縮される油圧シリンダ
（６）機構によって、上方部に昇降自在の刈取装置（３
）の殻稈移送装置（４）を位置させて支持する昇降アー
ム（５）を介して該刈取装置（３）を昇降させて刈高さ
を設定し、機体（２）の進行につれて該刈取装置（３）
で殻稈を刈取り、殻稈移送装置（４）で後方へ移送しな
がら作業が行わ、れるが、このコンバイン作業中には、
多量のわら屑や塵埃、及び機体（２）の進行によって泥
の跳上り等が生じ、これらが該油圧シリンダ（６）機構
の周囲に堆積するが、該油圧シリンダ（６）４１構の上
端を昇降アーム（５）下面の開溝（１）部に嵌合させて
連結して、これらから該油圧シリンダ（６）機構を保護
し、かつ該昇降アーム（５）の開ＩＩ　（１）部に油圧
シリンダ（６）機構の上端を嵌合させて連結することに
よって昇降作動時の捩れを防止して、刈高さ調節や畦越
え時の昇降作動をスムーズに行うことができる。Functions and Effects of the Invention In the combine harvester operation, a reaping device (3) that can be raised and lowered in the upper part is operated by a hydraulic cylinder (6) mechanism that expands and contracts with hydraulic pressure.
) The reaping device (3) is raised and lowered via the lifting arm (5) that positions and supports the culm transfer device (4) to set the cutting height, and as the machine body (2) advances, the reaping device (3)
The work is carried out while harvesting the shell culm and transporting it backwards using the shell culm transfer device (4). During this combine work,
A large amount of straw and dust, as well as mud jumping up as the aircraft (2) advances, accumulates around the hydraulic cylinder (6) mechanism, but the upper end of the hydraulic cylinder (6) 41 structure is The lifting arm (5) is connected by fitting into the opening groove (1) on the lower surface to protect the hydraulic cylinder (6) mechanism from these, and is connected to the opening II (1) part of the lifting arm (5). By fitting and connecting the upper ends of the hydraulic cylinder (6) mechanisms, twisting during lifting and lowering operations can be prevented, and mowing height adjustment and lifting and lowering operations when crossing ridges can be performed smoothly.

実施例 なお、図例において、コンバイン（７）は、機体（２）
の下部にクローラ（８）を有する走行装置（９）を設け
、上部には脱穀装置（ｌＯ）を載置し２前部には油圧シ
リンダ（６）機構により昇降自在の刈取装置（３）を懸
架した構成としている。Embodiment In the illustrated example, the combine harvester (7) is the fuselage (2).
A traveling device (9) having a crawler (8) is installed at the bottom of the machine, a threshing device (lO) is placed on the top, and a reaping device (3) that can be raised and lowered by a hydraulic cylinder (6) mechanism is installed at the front of the machine. It has a suspended configuration.

該刈取装置（３）は、一端を機体（２）に対して上下動
自在に枢支した上部支持部材（１１）と下面に向けて開
溝（１）した断面口状の昇降アーム（５）との他端に支
持された刈取フレーム（１２）に一体的に支承されると
共に、この昇降アーム（５）と機体（２）との間に油圧
シリンダ（６）を介在させるべく、該油圧シリンダ（６
）ｍ構の基部を機体（２）の前部に枢着し、ピストンロ
ッド端部を該昇降アーム（５）下面の開溝（１）部に嵌
合させてピン（２７）にて回動自在に枢支連結して、該
油圧シリンダ（６）の伸縮によって刈取装置（３）を昇
降させて、殻稈の刈取り高さを調節するように構成して
いる。The reaping device (3) includes an upper support member (11) whose one end is pivotally supported relative to the body (2) so as to be able to move up and down, and an elevating arm (5) having an opening in cross section with a groove (1) opening toward the lower surface. The hydraulic cylinder (6) is integrally supported by the reaping frame (12) supported at the other end of the lift arm (5) and the machine body (2). (6
) The base of the m-structure is pivotally attached to the front part of the fuselage (2), and the piston rod end is fitted into the open groove (1) on the lower surface of the lifting arm (5) and rotated by the pin (27). The reaping device (3) is freely pivoted and connected, and the reaping device (3) is raised and lowered by expansion and contraction of the hydraulic cylinder (6), thereby adjusting the reaping height of the culm.

該刈取フレーム（１２）下端部には、この刈取フレーム
（１２）とＴ字状をなすように一体的に形成された刈取
ギヤーボックス（１３）が設けられ、この刈取ギヤーボ
ックス（１３）には、両端及び中央部から地面へ沿うべ
く前方へ延びる左右分草杆（１４）　　（１５）と中分
草杆（１Ｂ）とを設け、更に該分草杆（１４）　　（１
５）　　（ＩＥＩ）の先端には各々殻稈を分草する分草
体（１７）　　（１７）・・・が設けられ、この分草体
（１７）　　（１７）・・・の後側中間部には後方に傾
斜して殻稈を引起す引起装置（１８）を設け、この引起
装置（１８）の後方下部に殻稈を刈取る刈刃装置（１９
）を設けている。A reaping gear box (13) integrally formed with the reaping frame (12) in a T-shape is provided at the lower end of the reaping frame (12). , right and left grass rods (14) (15) and intermediate grass rods (1B) extending forward from both ends and the center along the ground are provided, and the grass rods (14) (1B) are provided.
5) At the tip of (IEI), a weeding body (17) (17)... for shedding the culm is provided, and at the middle part of the rear side of this shedding body (17) (17)... A pulling device (18) that tilts rearward to pull up the culm is provided, and a cutting blade device (19) that reaps the culm is provided at the lower rear of the pulling device (18).
) has been established.

（２０）は掻込装置で、該刈刃装置（１９）の上方から
前方外側へ向って拡がるようにハ字状をなして配設する
左右一対の掻込ベル）　（２１）　　（２１）、及び刈
取殻稈を後側へ掻込む左右一対の掻込スターホイル（２
２）　　（２２）から構成されている。(20) is a raking device, which is a pair of left and right raking bells disposed in a V-shape so as to spread from above the cutting blade device (19) toward the front and outside) (21) (21); and a pair of left and right scraping star foils (2
2) It is composed of (22).

（２３）は該掻込装置（２０）で掻込まれた力１取殻稈
を受継して後方へ搬送する殻稈搬送装置であり、又この
殻稈搬送装置（２３）上方には殻稈の根元部を挟持して
脱穀装置（１０）のフィートチエンに搬送する株元挟持
搬送体（２４）と刈取殻稈の穂先部を係止してこれを該
株元挟持搬送体（２４）との協動によってほぼ水平姿勢
に変更させる穂先係止体（２５）とからなる殻稈移送装
置（４）が刈取フレーム（１２）に装架されている。(23) is a shell culm conveying device that inherits the force 1 shell culm scraped by the scraping device (20) and conveys it to the rear. The stump clamping conveyor (24), which clamps the root portion and transports it to the foot chain of the threshing device (10), and the stump clamping conveyor (24), which locks the tip of the cut culm and transports it to the foot chain of the threshing device (10). A culm transfer device (4) is mounted on the reaping frame (12) and includes a tip locking body (25) that changes the posture to an approximately horizontal position by cooperation of the following.

（２８）は中分草杆（１Ｂ）に支持され刈取位置へ掻寄
せられる殻稈の根元部を案内する根元ガイドである。(28) is a root guide that is supported by the intermediate grass rod (1B) and guides the root portion of the culm that is being raked to the reaping position.

各部を動力伝動して、昇降アーム（５）を介して油圧シ
リンダ（６）機構の伸縮によって刈取装置（３）を昇降
させて殻稈の刈高さを設定して、分草体（１７）を殻稈
の植付条列に合わせて機体（２）を進行させると、刈取
する殻稈が分草されて銹導路に案内され、この案内され
た殻稈は引起装置（１８）で穂先側を上昇させてほぼ垂
直状態に引起し、この穂先部の引起しと同時に殻稈の根
元部を根元ガイド（２６）に沿わせながら進行すると、
殻稈の根元部は左右の掻込ベルト（２１）によって捕捉
され掻寄せられながら根元ガイド（２Ｂ）に沿って搬送
案内されて、刈刃装置（１９）で切断され、掻込スター
ホイル（２２）　　（２２）で後側へ掻込まれながら中
央部に合流集束されて、殻稈搬送装置（２３）へ引継が
れて後方へ移送されると共に、殻稈移送装置（４）にて
殻稈の根元部と穂先部とを各々挟持並びに係止して上方
へ移送しながらほぼ水平姿勢に変更させて、フィートチ
エンへ受は渡して、このフィートチエンにより脱穀装置
（１０）へ殻稈を移送供給して脱穀選別処理が行われて
、連続的に収穫処理するコンバイン作業が進められる。By transmitting power to each part, the mowing device (3) is raised and lowered by the expansion and contraction of the hydraulic cylinder (6) mechanism via the lifting arm (5), the cutting height of the culm is set, and the weeding body (17) is raised and lowered. When the machine (2) is advanced in line with the row of planting rows of culms, the culms to be harvested are separated and guided to the fertilization path, and the guided culms are raised to the tip side by the pulling device (18). is raised to a nearly vertical position, and at the same time as the tip is raised, the root of the culm is moved along the root guide (26),
The root part of the culm is captured and scraped by the left and right scraping belts (21), conveyed and guided along the root guide (2B), cut by the cutting blade device (19), and then passed through the scraping star foil (22). ) (22), the shell culm is gathered and concentrated in the center while being scraped rearward, and is taken over to the shell culm conveying device (23) and transported to the rear, and the shell culm is collected by the shell culm conveying device (4). The root part and the tip part are each held and locked, and while being transferred upwards, the culm is changed to a nearly horizontal position, and the receiver is passed to the foot chain, and the culm is transferred and supplied to the threshing device (10) by this foot chain. After that, the grain is threshed and sorted, and the combine operation for continuous harvesting is carried out.

このコンバイン作業中には、多量のわら屑や塵埃、及び
機体（２）の進行によって走行装置（９）からの泥の跳
上り等が生じても、該油圧シリンダ（６）機構のピスト
ンロッド端部を昇降アーム（５）下面の開溝（１）部に
嵌合させて連結していて、これらから該油圧シリンダ（
６）機構を保護すると共に、昇降作動時の捩れを防止し
て、刈高さ調節や畦越え時の昇降作動をスムーズに行う
ことができる。During this combine harvester operation, even if a large amount of straw, dust, or mud jumps up from the traveling device (9) due to the movement of the machine (2), the piston rod end of the hydraulic cylinder (6) mechanism The hydraulic cylinder (
6) In addition to protecting the mechanism, it is possible to prevent twisting during lifting and lowering operations, allowing smooth adjustment of cutting height and smooth lifting and lowering operations when crossing ridges.

【図面の簡単な説明】[Brief explanation of the drawing]

図は、この発明の一実施例を示すもので、第１図は一部
破断せる側面図、第２図は一部の正断面図、第３図は一
部の平面図である。 図中、符号（１）は開溝、（２）は機体、（３）は刈取
装置、（４）は殻稈移送装置、（５）は昇降アーム、（
６）は油圧シリンダを示す。The drawings show an embodiment of the present invention; FIG. 1 is a partially cutaway side view, FIG. 2 is a partially cutaway front sectional view, and FIG. 3 is a partially cutaway plan view. In the figure, (1) is the open groove, (2) is the machine body, (3) is the reaping device, (4) is the culm transfer device, (5) is the lifting arm, (
6) indicates a hydraulic cylinder.

Claims (1)

【特許請求の範囲】[Claims] 下面に向けて開溝（１）した断面■状で一端を機体（２
）に対して上下回動自在に枢着しかつ上方部には昇降自
在の刈取装置（３）の殻稈移送装置（４）を位置させて
支持する昇降アーム（５）を、機体（２）との間で油圧
により伸縮される油圧シリンダ（６）機構に、この昇降
アーム（５）下面の開溝（１）部に該油圧シリンダ（６
）機構の上端を嵌合させて連結してなるコンバインの刈
取昇降装置。It has a ■-shaped cross section with an open groove (1) toward the bottom, and one end is attached to the fuselage (2).
), the lifting arm (5) is pivoted to be vertically movable and supports the culm transfer device (4) of the reaping device (3) which can be raised and lowered at the upper part. The hydraulic cylinder (6) mechanism is extended and contracted by hydraulic pressure between the lift arm (5), and the hydraulic cylinder (6)
) A reaping lifting device for a combine harvester, which is formed by fitting and connecting the upper ends of the mechanisms.