JPH08224026A - Harvesting section mechanism in rootcrop harvester - Google Patents

Harvesting section mechanism in rootcrop harvester

Info

Publication number
JPH08224026A
JPH08224026A JP33463295A JP33463295A JPH08224026A JP H08224026 A JPH08224026 A JP H08224026A JP 33463295 A JP33463295 A JP 33463295A JP 33463295 A JP33463295 A JP 33463295A JP H08224026 A JPH08224026 A JP H08224026A
Authority
JP
Japan
Prior art keywords
pair
root
belts
endless rotation
leaf
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
JP33463295A
Other languages
Japanese (ja)
Other versions
JP3261291B2 (en
Inventor
Mikio Ichinose
幹雄 一瀬
Hironobu Azuma
宏信 東
Masaaki Suetsuru
正明 末鶴
Mikio Okada
幹夫 岡田
Yoshihide Kanai
芳秀 金井
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP33463295A priority Critical patent/JP3261291B2/en
Publication of JPH08224026A publication Critical patent/JPH08224026A/en
Application granted granted Critical
Publication of JP3261291B2 publication Critical patent/JP3261291B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Harvesting Machines For Root Crops (AREA)

Abstract

PURPOSE: To provide a rootcrop harvester mechanized to the utmost designed to improve harvesting work by hand, a sort of heavy labor to pull rootcrops off the field in a posture with the body bent down. CONSTITUTION: There are provided a draw section to pull up a rootcrop by gripping the leaves with a pair of the fronts of a conveyer belt risen backward and a conveying device made up of the rear of a pair of conveyer belts 11 and a pair of roller belts 15 under the belts 11 and to convey a rootcrop backward by gripping and conveying the upper part of the leaves through the belts 11 while gripping the lower part of the leaves with rollers 14 and drivenly guiding it, the risen backward angle of the roller belts 15 is made milder than the slope of the conveyer belts; after contact of the upper face of a rootcrop body with the rollers 14, the leaf-gripping force of the pair of the rears of the conveyer belts is set so as to allow the rootcrop to slidingly move downward off the conveyer belts 11.

Description

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

【0001】[0001]

【発明の属する技術分野】本発明は、人参や大根といっ
た根菜類の地中からの堀取り工程から後処理工程に向け
ての搬送工程に至るまでの一連の収穫作業を機械化させ
る技術に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for mechanizing a series of harvesting operations from the step of extracting root vegetables such as carrots and radishes from the ground to the step of transferring them to a post-treatment step. is there.

【0002】[0002]

【従来の技術】従来、根菜類の収穫作業は、圃場に埋ま
っている根菜を1本づつ手で引き抜いてから包丁で葉を
切り落とすという人為作業で賄われていた。
2. Description of the Related Art Conventionally, root crops have been harvested manually by manually pulling out the root crops buried in the field one by one and then cutting off the leaves with a knife.

【0003】[0003]

【発明が解決しようとする課題】[Problems to be Solved by the Invention]

〔構成〕根菜類の人為収穫作業は、腰を曲げた姿勢で根
菜を圃場から引き抜くという重労働になるため、コンバ
インのような機械化された収穫機の実現が望まれてい
た。大規模圃場では切実な課題である。本発明は、根菜
の引抜きから葉部切断に至る手前までの一連の工程が機
械化された根菜類の収穫機を実現して提供するものであ
る。
[Structure] Since the manual harvesting work of root vegetables is a heavy labor of pulling the root vegetables out of the field in a bent posture, it has been desired to realize a mechanized harvester such as a combine harvester. This is a serious problem in large-scale fields. INDUSTRIAL APPLICABILITY The present invention realizes and provides a root vegetable harvester in which a series of steps from root vegetable extraction to leaf cutting is mechanized.

【0004】[0004]

【課題を解決するための手段】上記目的の達成のために
本発明は、後上り傾斜状態で対向配置して駆動される左
右一対の前部無端回動帯により、根菜の葉部を挟持して
該根菜を地中から引き抜きつつ上方に引き上げる引抜き
部と、左右一対の後部無端回動帯とこれの下方に配置さ
れる左右一対のガイド機構とから成り、その葉部の下部
を一対のガイド機構間で誘導案内しながら、葉部の上部
を一対の後部無端回動帯の駆動によって挟持移送するこ
とにより、引抜き部から送られてくる根菜を後方に搬送
する搬送装置とを夫々設け、一対の後部無端回動帯と一
対のガイド機構との上下間隔が、搬送方向下手側に行く
ほど広くなるように、これら後部無端回動帯とガイド機
構とを相対配置するとともに、搬送根菜に所定以上の下
方移動力が作用すると、該根菜の後部無端回動帯からの
下方へのずれ動きが許容されるように、一対の後部無端
回動帯による根菜葉部に対する挟持力を設定し、さらに
ガイド機構を、多数の回動自在なローラを連結して駆動
されるローラベルトで構成し、左右のローラベルトを、
これらの間に位置する根菜葉部が挟持されるように互い
に接当付勢するとともに、その左右のローラベルトで挟
持された根菜葉部の上下移動が許容されるように、ロー
ラの回動軸心の配設方向を設定してあることを特徴構成
とするものである。
In order to achieve the above-mentioned object, the present invention clamps a leaf portion of a root vegetable by a pair of left and right front endless rotation belts which are driven to face each other in a rearwardly inclined state. And a pair of left and right rear endless rotation bands and a pair of left and right guide mechanisms arranged below the left and right rear endless rotation bands, and a lower part of the leaf part of the pair of guides. While guiding and guiding between the mechanisms, a transport device for transporting the root vegetables sent from the pulling section backward by sandwiching and transporting the upper part of the leaf part by driving a pair of rear endless rotation bands is provided, respectively. The rear endless rotation band and the guide mechanism are arranged relative to each other such that the vertical interval between the rear endless rotation band and the pair of guide mechanisms becomes wider toward the lower side in the conveyance direction, and the rear root endless rotation band and the guide mechanism have a predetermined distance or more in the conveyance root vegetable. Downward movement force of And a clamping force with respect to the root vegetable leaf portion by the pair of rear endless rotation bands is set so that the downward movement from the rear endless rotation band of the root vegetable is allowed, and the guide mechanism is set to a large number of times. It consists of a roller belt that is driven by connecting movable rollers, and the left and right roller belts are
The root and leaf portions located between them are pressed against each other so as to be pinched, and the rotation axis of the roller is allowed so that the root and leaf portions held by the left and right roller belts can be moved up and down. A feature is that the arrangement direction of the heart is set.

【0005】〔作用〕引抜き部は、地上に突出している
葉部を挟持することで地中にある根菜を引き抜いて上方
に持ち上げるように機能し、搬送装置は、一対のガイド
機構によって葉部の下部の搬送経路を形成した状態で、
一対の後部無端回動帯による葉部上部を挟持しての搬送
作用を与える機能を発揮する。搬送装置では、ガイド機
構と後部無端回動帯との上下間隔が、搬送方向下手側に
行くほど広くなるように、かつ、一対の後部無端回動帯
では根菜の下方移動が許容されるようにしてあるから、
後方への搬送に従ってガイド機構は葉部の根元に近づ
き、ついには根菜本体上面に接触した状態で搬送される
接触搬送状態になり、それ以後では一対の後部無端回動
帯と葉部とが上下に相対移動して接触搬送状態が維持さ
れるようになる。その結果、この搬送装置の終端では、
どの根菜も接触搬送状態に統一されるようになり、根菜
を一定の姿勢及び位置でもって葉部を切断するカッター
装置等の後処理工程に受渡しできるようになる。また、
駆動されるローラベルト対でガイド機構を構成してある
ので、後部無端回動帯による搬送力に加えて、葉部下部
にも搬送力が作用する。これは、葉部上部だけに搬送力
を作用させる場合に比べて、葉部の切断や搬送姿勢の乱
れのおそれ少なく後方移送できるとともに、ローラによ
って上下移動が抵抗少なくスムーズに行われるようにな
る。
[Operation] The extraction unit functions to extract the root vegetables in the ground and lift them upward by sandwiching the leaves protruding above the ground, and the conveyor device uses a pair of guide mechanisms to remove the leaves. With the lower transport path formed,
The pair of rear endless rotary bands exerts a function of gripping the upper part of the leaf part and giving a conveying action. In the carrying device, the vertical distance between the guide mechanism and the rear endless turning band is widened toward the lower side in the carrying direction, and downward movement of the root vegetables is allowed in the pair of rear endless turning bands. Because there is
The guide mechanism approaches the root of the leaf portion as it is conveyed backward, and finally enters the contact conveyance state in which it is conveyed in contact with the upper surface of the root vegetable body.After that, the pair of rear endless rotation bands and the leaf portion move up and down. The contact movement state is maintained by moving relative to. As a result, at the end of this carrier,
All root vegetables can now be unified in a contact conveyance state, and the root vegetables can be delivered to a post-treatment process such as a cutter device that cuts leaves at a fixed posture and position. Also,
Since the guide mechanism is constituted by the pair of driven roller belts, the conveying force acts on the lower portion of the leaf portion in addition to the conveying force by the rear endless rotation band. As compared with the case where the conveying force is applied only to the upper portion of the leaf portion, this enables the rearward transfer with less risk of cutting of the leaf portion and disturbance of the conveying posture, and the roller allows smooth vertical movement with less resistance.

【0006】〔発明の効果〕従って、根菜の地中からの
引抜きからカッター装置等の後処理の手前までの一連の
工程を機械化できたとともに、後処理に受け渡す根菜を
安定して一定姿勢・位置に揃えられることによる機械化
処理の円滑・安定化が図れ、収穫能率向上に寄与しなが
ら労力を軽減させることができた。
[Advantages of the Invention] Therefore, a series of steps from the extraction of root vegetables from the ground to just before the post-treatment of a cutter device and the like can be mechanized, and the root vegetables handed over to the post-treatment can be stably placed in a fixed posture / By aligning the positions, the mechanization process was smooth and stable, and the labor was reduced while contributing to the improvement of harvest efficiency.

【0007】[0007]

【発明の実施の形態】以下に、本発明の実施の形態を図
面に基づいて説明する。図5に本発明による根菜類用収
穫機が、図4にその前部の平面図が夫々示され、1は引
抜き部、2は搬送装置、3は葉切り装置、4は収穫部、
5はクローラ走行装置、6は操縦部である。引抜き部1
は、左右一対の分草具7,7を先端に備えるとともに、
分草具7の直後部位と葉切り装置3部位とに亘るコンベ
ヤ式の挟持コンベヤ装置9を装備して構成されている。
挟持コンベヤ装置9は、後上り傾斜姿勢で対向配置して
駆動される左右一対の搬送ベルト11,11で構成され
ている。搬送装置2は、前述した左右一対の搬送ベルト
11,11とこれの下方に配置される左右一対のガイド
機構12,12とから構成され、根菜葉部の下部を一対
のガイド機構12,12間で誘導案内しながら、葉部の
上部を一対の搬送ベルト11,11の駆動によって挟持
移送することにより、引抜き部から送られてくる根菜を
後方に搬送する機能を持っている。ガイド機構12は図
1、図2に示すように、チェンリンク13毎に横軸心Y
周りに回動自在なローラ14が装備されたローラベルト
15で構成されている。ローラ14は、バネ16によっ
て外方に向けての付勢力が発生可能な状態でチェンリン
ク13に取付けられ、従って、根菜の葉部は対向する左
右のローラ14,14で挟持されての後方移送力を受け
るのであり、その移送速度は、搬送ベルト11による速
度とほぼ同じである。そして、搬送ベルト11とガイド
機構12との上下間隔を、搬送方向下手側に行くほど広
くなるように、ガイド機構12の後上がり傾斜角度を極
緩いものに設定してある。図3に示すように、左右の搬
送ベルト11,11には、これらを互いの存在方向に押
圧して葉部の挟持力を発生させるための多数の転輪17
が設けられ、前端部からガイド機構12部位までの搬送
ベルト前部11aにおいては、地中の根菜を引き抜きす
るべく強い挟持力が作用するように転輪17のスプリン
グ8の強さを設定し、かつ、それから後側の搬送ベルト
後部11bにおいては葉部の挟持力を搬送ベルト前部1
1aにおけるスプリング8よりも細いスプリング10の
採用によって弱いものに設定してある。ガイド機構12
の後方位置には、回転カッター18で根菜の葉部を切り
落とす葉切り装置3が配置されている。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 5 shows a root vegetable harvester according to the present invention, and FIG. 4 is a plan view of the front portion thereof, in which 1 is a pull-out section, 2 is a conveying device, 3 is a leaf cutting device, 4 is a harvesting unit,
Reference numeral 5 is a crawler traveling device, and 6 is a control section. Pull-out part 1
Is equipped with a pair of left and right weeding tools 7, 7 at the tip,
It comprises a conveyor type sandwiching conveyor device 9 extending immediately after the weeding tool 7 and the site of the leaf cutting device 3.
The sandwiching conveyor device 9 is composed of a pair of left and right conveyor belts 11 and 11 that are driven so as to face each other in a rearwardly inclined posture. The transport device 2 is composed of the above-mentioned pair of left and right transport belts 11 and 11 and a pair of left and right guide mechanisms 12 and 12 disposed below the transport belts 11, and the lower part of the root vegetable leaf portion is provided between the pair of guide mechanisms 12 and 12. By guiding and guiding the upper part of the leaf part by driving the pair of conveyor belts 11 and 11, the root vegetables sent from the pull-out part are conveyed backward. As shown in FIGS. 1 and 2, the guide mechanism 12 has a horizontal axis Y for each chain link 13.
The roller belt 15 is provided with a rotatable roller 14 around the roller belt 15. The roller 14 is attached to the chain link 13 in a state in which an outward biasing force can be generated by a spring 16, so that the root portion of the root vegetables is nipped by the left and right rollers 14 and 14 facing each other and is transferred backward. It receives a force, and its transfer speed is almost the same as the speed of the conveyor belt 11. Further, the rearward inclination angle of the guide mechanism 12 is set to be extremely gentle so that the vertical distance between the conveyor belt 11 and the guide mechanism 12 becomes wider toward the lower side in the conveying direction. As shown in FIG. 3, the left and right conveyor belts 11 and 11 are provided with a large number of rolling wheels 17 for pressing the conveyor belts 11 and 11 in the mutually existing direction to generate a nipping force for the leaves.
In the front part 11a of the conveyor belt from the front end part to the guide mechanism 12 part, the strength of the spring 8 of the wheel 17 is set so that a strong clamping force acts to pull out the root vegetables in the ground. Further, in the rear portion 11b of the conveying belt on the rear side, the clamping force of the leaf portion is applied to the front portion of the conveying belt
The spring 10 is thinner than the spring 8 in 1a, so that it is set to be weak. Guide mechanism 12
A leaf cutting device 3 that cuts off the leaves of the root vegetables with the rotary cutter 18 is disposed at the rear position of.

【0008】収穫作業の主要作用を述べると、搬送ベル
ト前部11aによる強い挟持力でもって葉部を挟持して
後方上方に持ち上げることにより、地中にある根菜を引
き抜き、次いで、搬送ベルト後部11bとガイド機構1
2とによる搬送力で根菜を後方上方に移送するのである
が、ガイド機構12の傾斜が緩いので、次第に根菜本体
の上面がローラ14に接近し、ガイド機構12後部では
ローラ14に根菜本体上面が接当した接触搬送状態にな
る。それから以後では、搬送ベルト後部11bの弱い挟
持力により、後方への搬送力は根菜に伝達しつつ葉部の
下方へのすり抜け移動が許容されることにより、搬送ベ
ルト11の終端では、根菜は必ず接触搬送状態になり、
次に控える葉切り装置3に対する一定姿勢及び位置を維
持するようになるのである。
The main operation of the harvesting work will be described. The root part in the ground is pulled out by gripping the leaves with a strong gripping force by the front part 11a of the conveyor belt and lifting them upward, and then the rear part 11b of the conveyor belt. And guide mechanism 1
The root force is transferred backward and upward by the conveying force of 2. However, since the inclination of the guide mechanism 12 is gentle, the upper surface of the root vegetable body gradually approaches the roller 14, and at the rear portion of the guide mechanism 12, the upper surface of the root vegetable body moves to the roller 14. The contact conveyance state is reached. After that, since the rearward conveying force is transmitted to the root vegetables by the weak clamping force of the rear portion 11b of the conveyor belt and the slipping movement of the leaves downward is allowed, the root vegetables are always indispensable at the end of the conveyor belt 11. Contact transfer state,
Next, a certain posture and position with respect to the leaf cutting device 3 to be withheld are maintained.

【0009】本発明の実施の形態では、一組の搬送ベル
ト前部11aが前部無端回動帯に、かつ、搬送ベルト後
部11bが後部無端回動帯に夫々相当しているが、夫々
別構成の搬送ベルト、または搬送チェンで構成しても良
い。
In the embodiment of the present invention, the pair of conveyor belt front portions 11a correspond to the front endless rotation belt, and the conveyor belt rear portion 11b corresponds to the rear endless rotation belt, respectively. It may be configured by a transport belt having a configuration or a transport chain.

【0010】尚、特許請求の範囲の項に図面との対照を
便利にする為に符号を記すが、該記入により本発明は添
付図面の構成に限定されるものではない。
It should be noted that reference numerals are given in the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.

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

【図1】搬送装置部分の横断面図FIG. 1 is a cross-sectional view of a transfer device portion.

【図2】ローラー付きチェンの構造を示す部分側面図FIG. 2 is a partial side view showing the structure of a chain with rollers.

【図3】搬送装置部分の平面図FIG. 3 is a plan view of a transfer device portion.

【図4】収穫機前部の平面図FIG. 4 is a plan view of the front part of the harvester.

【図5】根菜類用収穫機の側面図[Fig. 5] Side view of a harvester for root vegetables

【符号の説明】[Explanation of symbols]

1 引抜部 2 搬送装置 11a 前部無端回動帯 11b 後部無端回動帯 12 ガイド機構 14 ローラ 15 ローラベルト DESCRIPTION OF SYMBOLS 1 Pull-out part 2 Conveyor device 11a Front endless rotation band 11b Rear endless rotation band 12 Guide mechanism 14 Roller 15 Roller belt

フロントページの続き (72)発明者 岡田 幹夫 大阪府堺市石津北町64番地 株式会社クボ タ堺製造所内 (72)発明者 金井 芳秀 大阪府堺市石津北町64番地 株式会社クボ タ堺製造所内Front page continued (72) Inventor Mikio Okada 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Factory Co., Ltd. (72) Inventor Yoshihide Kanai 64, Ishizukita-machi, Sakai City Osaka Prefecture Kubota Sakai Factory, Ltd.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 後上り傾斜状態で対向配置して駆動され
る左右一対の前部無端回動帯(11a),(11a)に
より、根菜の葉部を挟持して該根菜を地中から引き抜き
つつ上方に引き上げる引抜き部(1)と、左右一対の後
部無端回動帯(11a),(11a)とこれの下方に配
置される左右一対のガイド機構(12),(12)とか
ら成り、その葉部の下部を前記一対のガイド機構(1
2),(12)間で誘導案内しながら、葉部の上部を前
記一対の後部無端回動帯(11b),(11b)の駆動
によって挟持移送することにより、前記引抜き部(1)
から送られてくる根菜を後方に搬送する搬送装置(2)
とを夫々設け、前記一対の後部無端回動帯(11b),
(11b)と前記一対のガイド機構(12),(12)
との上下間隔が、搬送方向下手側に行くほど広くなるよ
うに、これら後部無端回動帯(11b)とガイド機構
(12)とを相対配置するとともに、搬送根菜に所定以
上の下方移動力が作用すると、該根菜の前記後部無端回
動帯(11b)からの下方へのずれ動きが許容されるよ
うに、前記一対の後部無端回動帯(11b),(11
b)による根菜葉部に対する挟持力を設定し、さらに前
記ガイド機構(12)を、多数の回動自在なローラ(1
4)を連結して駆動されるローラベルト(15)で構成
し、左右のローラベルト(15),(15)を、これら
の間に位置する根菜葉部が挟持されるように互いに接当
付勢するとともに、その左右のローラベルト(15),
(15)で挟持された根菜葉部の上下移動が許容される
ように、前記ローラ(14)の回動軸心の配設方向を設
定してある根菜類用収穫機の収穫部構造。
1. A pair of left and right front endless rotation belts (11a), (11a), which are driven to face each other in a rearwardly inclined state, hold the root portion of a root vegetable and pull out the root vegetable from the ground. And a pair of left and right rear endless rotation bands (11a) and (11a), and a pair of left and right guide mechanisms (12) and (12) disposed below the left and right endless rotation bands (11a) and (11a). The lower part of the leaf portion is provided with the pair of guide mechanisms (1
2) and (12) are guided and guided, and the upper part of the leaf part is nip-transferred by driving the pair of rear endless rotation bands (11b) and (11b), whereby the pull-out part (1).
Conveying device that conveys root vegetables sent from the back (2)
And a pair of rear endless rotation bands (11b),
(11b) and the pair of guide mechanisms (12), (12)
The rear endless rotation band (11b) and the guide mechanism (12) are arranged relatively to each other so that the vertical interval between the two becomes wider toward the lower side in the transport direction, and the transport root vegetable has a downward movement force higher than a predetermined value. When operated, the pair of rear endless rotation bands (11b), (11) are allowed to allow downward movement of the root vegetable from the rear endless rotation band (11b).
b) setting the clamping force against the root leaf part, and further setting the guide mechanism (12) to a large number of rotatable rollers (1
4) is composed of a driven roller belt (15), and the left and right roller belts (15), (15) are abutted against each other so that the root leaf portions located between them are sandwiched. While energizing, the left and right roller belts (15),
The harvesting part structure of a root vegetable harvesting machine in which the arrangement direction of the rotation axis of the roller (14) is set so that the root leaf part sandwiched by (15) is allowed to move up and down.
JP33463295A 1995-12-22 1995-12-22 Root crop harvester Expired - Fee Related JP3261291B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33463295A JP3261291B2 (en) 1995-12-22 1995-12-22 Root crop harvester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33463295A JP3261291B2 (en) 1995-12-22 1995-12-22 Root crop harvester

Publications (2)

Publication Number Publication Date
JPH08224026A true JPH08224026A (en) 1996-09-03
JP3261291B2 JP3261291B2 (en) 2002-02-25

Family

ID=18279555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33463295A Expired - Fee Related JP3261291B2 (en) 1995-12-22 1995-12-22 Root crop harvester

Country Status (1)

Country Link
JP (1) JP3261291B2 (en)

Also Published As

Publication number Publication date
JP3261291B2 (en) 2002-02-25

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