JP2001346422A - Onion harvester - Google Patents
Onion harvesterInfo
- Publication number
- JP2001346422A JP2001346422A JP2000170003A JP2000170003A JP2001346422A JP 2001346422 A JP2001346422 A JP 2001346422A JP 2000170003 A JP2000170003 A JP 2000170003A JP 2000170003 A JP2000170003 A JP 2000170003A JP 2001346422 A JP2001346422 A JP 2001346422A
- Authority
- JP
- Japan
- Prior art keywords
- conveyor
- sorting
- onion
- section
- sorting conveyor
- 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.)
- Pending
Links
- 241000234282 Allium Species 0.000 title claims abstract description 66
- 235000002732 Allium cepa var. cepa Nutrition 0.000 title claims abstract description 66
- 238000003306 harvesting Methods 0.000 claims description 12
- 230000002950 deficient Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 13
- 230000001174 ascending effect Effects 0.000 description 10
- 230000003028 elevating effect Effects 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 6
- 239000011324 bead Substances 0.000 description 5
- 238000007790 scraping Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Harvesting Machines For Root Crops (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、玉葱収穫機に関す
るものである。TECHNICAL FIELD The present invention relates to an onion harvester.
【0002】[0002]
【従来の技術】従来、玉葱を圃場から拾上げる拾上げコ
ンベヤを走行装置を有する機台の前方側に装備し、拾上
げた玉葱を機台の後側に搭載するコンテナに持上コンベ
ヤ,茎葉分離コンベヤ,小玉抜コンベヤ,選別コンベヤ
等を介して搬送する過程で、土砂,茎葉,小玉,小石,
傷付き玉,腐敗玉等を除去し、規格玉だけをコンテナに
積込む玉葱収穫機があった。2. Description of the Related Art Conventionally, a pick-up conveyor for picking up onions from a field is provided in front of a machine having a traveling device, and a pick-up conveyor and foliage are mounted on a container which mounts the picked onions on a rear side of the machine. In the process of being transported through a separation conveyor, a small ball removal conveyor, a sorting conveyor, etc., soil, foliage, small beads, small stones,
There is an onion harvesting machine that removes damaged balls, rotten balls, etc., and loads only standardized balls into a container.
【0003】[0003]
【発明が解決しようとする課題】通常、選別コンベヤの
左右外側に搭乗する二人の選別作業者により、選別コン
ベヤ上から傷付き玉及び腐敗玉等が除去されるのである
が、傾斜地等で玉葱が選別コンベヤの一側に片寄って搬
送される場合、選別作業が行い難くなり、また平坦地等
で玉葱が選別コンベヤの一側に片寄らずに搬送される場
合、一人の選別作業者では選別作業が行い難くなる等の
問題があった。Normally, two sorting workers who are on the left and right outer sides of the sorting conveyor remove injured balls and rotten balls from the sorting conveyor. When the onion is conveyed to one side of the sorting conveyor, the sorting operation becomes difficult, and when the onion is conveyed to one side of the sorting conveyor on a flat ground, etc., the sorting operation is performed by one sorting worker. However, there is a problem that it becomes difficult to perform the operation.
【0004】[0004]
【課題を解決するための手段】然るに、本発明は、圃場
から拾上げた玉葱をコンテナに積込む選別コンベヤを設
けた玉葱収穫機において、選別コンベヤの搬送面を形成
する多数の横杆を搬送側直走区間の所定区間でのみ左右
に傾動自在に構成したもので、二人の選別作業者により
選別作業を行っている場合で、傾斜地等で玉葱が選別コ
ンベヤの一側に片寄って搬送され、選別作業が行い難く
なる場合には、横杆を搬送側直走区間の所定区間でのみ
圃場の傾斜と反対に傾動させて水平姿勢に戻し、また一
人の選別作業者により選別作業を行っている場合で、平
坦地等で玉葱が選別コンベヤの一側に片寄らず、選別作
業が行い難くなる場合には、横杆を搬送側直走区間の所
定区間でのみ選別作業者側か低くなるように傾動させて
傾斜姿勢にすることにより、選別作業を行い易くし得、
また選別コンベヤ全体を左右に傾動させないから、選別
コンベヤを機台に固定支持して振動防止及び支持構造の
簡素化等を容易に図り得ると共に、横杆を搬送側直走区
間の中間の所定区間でのみ左右に傾動させることによ
り、選別コンベヤの玉葱受入れ及び放出を一定姿勢で適
正に行い得るものである。SUMMARY OF THE INVENTION In accordance with the present invention, there is provided an onion harvesting machine provided with a sorting conveyor for loading onions picked up from a field into a container, wherein a plurality of horizontal rods forming a transport surface of the sorting conveyor are transported. It is configured to be able to tilt left and right only in the predetermined section of the side straight running section, and when the sorting work is performed by two sorting workers, the onion is conveyed to one side of the sorting conveyor on the slope etc. When it is difficult to perform the sorting operation, the horizontal rod is tilted in the opposite direction to the inclination of the field only in a predetermined section of the transport side straight running section to return to the horizontal position, and the sorting operation is performed by one sorting operator. If the onion is not biased to one side of the sorting conveyor on a flat ground or the like, and the sorting operation is difficult to perform, the horizontal rod should be lowered to the sorting operator side only in a predetermined section of the transport side straight running section. To a leaning position. By, obtained to facilitate the selection work,
Also, since the entire sorting conveyor is not tilted to the left and right, the sorting conveyor is fixedly supported on the machine base to prevent vibration and simplify the support structure, etc., and the horizontal rod is a predetermined section in the middle of the straight section on the transport side. By tilting only the right and left, the onion of the sorting conveyor can be properly received and released in a constant posture.
【0005】また、選別コンベヤのコンベヤ側板を機台
に固定し、搬送側直走区間を移動する横杆の左右端部を
支持する左右の縦杆を複数に分割し、横杆を左右に傾動
させる区間以外の左右の分割縦杆をコンベヤ側板に固定
し、横杆を左右に傾動させる区間の左右の分割縦杆をコ
ンベヤ側板に左右独立して上下動自在に支持するもの
で、上記の新規な選別コンベヤを既存構造を有効利用し
て簡単に安価に得られ、また選別コンベヤの玉葱搬送高
さが選別作業者に対し低い場合には、上下動自在な左右
の分割縦杆を左右同時に上げ、選別コンベヤの玉葱搬送
高さを高くすることにより、楽な姿勢で選別作業を行い
得るものである。[0005] Further, the conveyor side plate of the sorting conveyor is fixed to the machine base, and the left and right vertical rods supporting the left and right ends of the horizontal rod moving in the transport side straight running section are divided into a plurality of parts, and the horizontal rod is tilted left and right. The left and right divided vertical rods other than the section to be fixed are fixed to the conveyor side plate, and the left and right divided vertical rods of the section where the horizontal rod is tilted left and right are supported on the conveyor side plate so that they can move up and down independently left and right. A simple sorting conveyor can be obtained easily and inexpensively by effectively using the existing structure, and when the onion transport height of the sorting conveyor is lower than the sorting operator, the left and right split vertical rods that can move up and down are raised at the same time. By increasing the onion conveying height of the sorting conveyor, the sorting operation can be performed in an easy posture.
【0006】また、コンベヤ側板に左右独立して上下動
自在に支持した左右の分割縦杆のうち、左側の分割縦杆
を操作する操作部材を選別コンベヤの右外側に設け、右
側の分割縦杆を操作する操作部材を選別コンベヤの左外
側に設けるもので、横杆の傾動を操作者側と反対側の横
杆端部を持上げて行うから、搬送側直走区間の所定区間
でのみ横杆を左右に傾動させ得るものである。[0006] An operating member for operating the left divided vertical rod among the left and right divided vertical rods supported on the conveyor side plate so as to be vertically movable independently of each other is provided on the right outside of the sorting conveyor, and the right divided vertical rod is provided. Is provided on the left outside of the sorting conveyor, and the horizontal rod is tilted by lifting the horizontal rod end opposite to the operator side. Can be tilted left and right.
【0007】また、選別コンベヤを後上がり傾斜状態に
設けるもので、圃場の端等では旋回の轍等で地面が掘下
げられているため、収穫済みの畦から未収穫の畦に回行
移動して作業を開始するときの機体姿勢が後下がりとな
る場合があり、この場合でもコンテナ底面を地面に接触
させない高さにコンテナを搭載し得ると共に、選別コン
ベヤが後下がりとなり、玉葱が選別コンベヤ上を転がり
選別を行えなくなるのを防止し得るものである。In addition, the sorting conveyor is provided in an upwardly inclined state, and the ground is dug down by a turning rut or the like at the edge of a field, so that the sorting conveyor is moved from a harvested ridge to an unharvested ridge. In some cases, the attitude of the aircraft at the time of starting the work may fall backward, and even in this case, the container can be mounted at a height that does not contact the bottom of the container with the ground, and the sorting conveyor will fall backward, and the onion will fall on the sorting conveyor. It is possible to prevent the rolling sorting from being disabled.
【0008】また、選別コンベヤの外側部に設ける不良
品投入口に相当する搬送側直走区間で横杆を左右に傾動
させるもので、横杆を左右に傾動させる区間の外側部で
適正に選別作業を行い得るものである。In addition, the horizontal rod is tilted left and right in the straight section on the transport side corresponding to the defective product input port provided on the outer side of the sorting conveyor, and is appropriately selected at the outer side of the section where the horizontal rod is tilted left and right. It can do work.
【0009】また、選別コンベヤの外側部立つ選別作業
者の作業範囲に相当する搬送側直走区間で横杆を左右に
傾動させるもので、横杆を左右に傾動させる区間の外側
部で適正に選別作業を行い得るものである。In addition, the horizontal rod is tilted left and right in the transport-side straight running section corresponding to the work range of the sorting operator standing on the outer side of the sorting conveyor. Sorting work can be performed.
【0010】[0010]
【発明の実施の形態】以下、本発明の実施例を図面に基
づいて詳述する。図1は玉葱収穫機全体の側面図、図2
は同概略平面図、図3は同作業説明図であり、図中
(1)はクローラ走行装置(2)を有する機台、(3)
は機台(1)の前半部に配置してエンジン(4)及びミ
ッション(5)等を内蔵するエンジン部、(6)は機台
(1)の一側に突出配置してエンジン部(3)の左又は
右外側に並設する操縦部、(7)は機台(1)の前方側
からエンジン部(3)の上方にわたって後上がり傾斜状
態に配置して機台(1)に昇降自在に取付ける持上コン
ベヤ、(8)は持上コンベヤ(7)の下端側前方に配置
して掘取刃(9)及び掻込羽根(10a)を有する掻込
コンベヤ(10)及び拾上コンベヤ(11)及び左右の
ゲージ輪(12)を設けるピックアップ部、(13)は
持上コンベヤ(7)の上端部とその下方のエンジン部
(3)の山形のボンネット(14)との間に後下がり傾
斜状態で配置する前送りベルトコンベヤである茎葉分離
コンベヤ、(15)は機台(1)の後側に昇降及び回動
自在に装備するフォークリフト、(16)はフォークリ
フト(15)に搭載する収穫物集積用のコンテナ、(1
7)は機台(1)の後半部に配置されて内部を十字形の
隔壁(18)を介して四つの受箱(19)に仕切る上面
開放の貯留箱、(20)は茎葉分離コンベヤ(13)の
後側から貯留箱(17)の上方を通過してコンテナ(1
6)部に後上がり傾斜状態で張設する選別コンベヤ、
(21)は選別コンベヤ(20)の左右外側部から下方
の後部左右受箱(19)に延設する左右のシュート、
(22)は選別コンベヤ(20)の左右外側に選別作業
者を搭乗させるための左右の選別作業用ステップ、(2
2a)は操縦部(6)側と反対側の選別作業用ステップ
(22)に設けるはしご、(23)は茎葉分離コンベヤ
(13)と選別コンベヤ(20)の間に配置する小玉抜
コンベヤであり、機体を走行移動させながら、掘取刃
(9)と掻込コンベヤ(10)の掻込羽根(10a)を
介して玉葱を圃場から拾上コンベヤ(11)上に拾上
げ、拾上げた玉葱を拾上コンベヤ(11)から持上コン
ベヤ(7),茎葉分離コンベヤ(13),小玉抜コンベ
ヤ(23)を介して選別コンベヤ(20)に搬送し、選
別コンベヤ(20)の後端からコンテナ(16)に積込
むものである。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view of the entire onion harvester, FIG.
FIG. 3 is a schematic plan view of the same, FIG. 3 is an explanatory view of the work, and (1) is a machine base having a crawler traveling device (2);
Is an engine unit which is disposed in the first half of the machine base (1) and incorporates the engine (4) and the transmission (5). (6) is an engine unit (3) which is arranged to protrude from one side of the machine base (1). ), A control section arranged side by side to the left or right outside, and (7) is arranged in a rearwardly inclined state from the front side of the machine (1) to above the engine section (3) and can be moved up and down on the machine (1). The lifting conveyor (8) is disposed in front of the lower end of the lifting conveyor (7), and has a digging blade (9) and a rake blade (10a). 11) and a pickup section provided with left and right gauge wheels (12), (13) is lowered backward between the upper end of the lifting conveyor (7) and the chevron bonnet (14) of the engine section (3) therebelow. (15) A foliage separation conveyor which is a forward belt conveyor arranged in an inclined state. Machine stand (1) forklift equipped vertically movably and rotate on the rear side of (16) is a container for crop integrated to be mounted on a forklift (15), (1
7) is a storage box which is arranged in the rear half of the machine base (1) and has an open top which partitions the inside into four receiving boxes (19) via a cross-shaped partition (18). (20) is a foliage separation conveyor ( 13) From the rear side, pass above the storage box (17) and pass through the container (1).
6) Sorting conveyor that is stretched in the section with a rising slope.
(21) left and right chutes extending from the left and right outer portions of the sorting conveyor (20) to the lower rear left and right receiving boxes (19);
(22) is a left and right sorting operation step for loading a sorting operator on the left and right outer sides of the sorting conveyor (20), (2)
2a) is a ladder provided in the sorting operation step (22) on the side opposite to the control section (6) side, and (23) is a small ball removing conveyor arranged between the foliage separating conveyor (13) and the sorting conveyor (20). While moving the body, the onion is picked up from the field via the excavating blade (9) and the scraping blade (10a) of the scraping conveyor (10), and is picked up on the conveyor (11). Is transported from the pick-up conveyor (11) to the sorting conveyor (20) via the lifting conveyor (7), the foliage separating conveyor (13), and the small ball extracting conveyor (23), and the container from the rear end of the sorting conveyor (20). (16).
【0011】また、圃場の玉葱と一緒に拾上コンベヤ
(11)上に拾上げられる土砂及び茎葉等のうち、土砂
等は拾上コンベヤ(11)及び持上コンベヤ(7)の搬
送中にそのコンベヤ(11)(7)から抜落ち、茎葉等
は持上コンベヤ(7)の上端から玉葱と一緒に茎葉分離
コンベヤ(13)上に落とされ、玉葱が茎葉分離コンベ
ヤ(13)の後下がり傾斜で後方に転がり落ちて小玉抜
コンベヤ(23)に入れられる一方で、茎葉等が茎葉分
離コンベヤ(13)上に止まって前送りされ、その茎葉
分離コンベヤ(13)の前端から下方のボンネット(1
4)の前下がり傾斜面上に落とされ、ボンネット(1
4)の前下がり傾斜面上を滑落させて機台(1)の前側
から圃場に落している。また土砂及び茎葉等が分離除去
された玉葱のうち規格サイズ以下の小玉やその他小石等
は小玉抜コンベヤ(23)で濾過され、下方のボンネッ
ト(14)の後下がり傾斜面上に落とされ、ボンネット
(14)の後下がり傾斜面上を滑落させ、下方の前部左
右受箱(19)に落とされて収集され、規格サイズ以上
の玉葱だけが選別コンベヤ(20)に搬入される。そし
て規格サイズ以上の玉葱を選別コンベヤ(20)で後送
りする過程で、選別作業者により選別コンベヤ(20)
上から傷付玉及び腐敗玉等の不良品が除去され、放出シ
ュート(21)を介して下方の後部左右受箱(19)に
落とされて収集され、規格サイズ以上で傷や腐りのない
玉葱だけが選別コンベヤ(20)の後端からコンテナ
(16)に積込まれるものである。Also, of the earth and sand, foliage and the like picked up on the pick-up conveyor (11) together with the onion in the field, the sand and the like are transported during the transfer of the pick-up conveyor (11) and the lifting conveyor (7). The foliage is dropped from the conveyor (11) (7), the foliage is dropped on the foliage separation conveyor (13) together with the onion from the upper end of the lifting conveyor (7), and the onion is inclined downward after the foliage separation conveyor (13). And fall into the small ball removal conveyor (23), while the foliage and the like stops on the foliage separation conveyor (13) and is fed forward, and the bonnet (1) is lowered from the front end of the foliage separation conveyor (13).
4) Dropped on the front of the slope, the bonnet (1
It slides down on the front downward slope of 4) and falls into the field from the front side of the machine base (1). Also, among the onions from which soil, foliage, etc. are separated and removed, small balls and other small stones smaller than the standard size are filtered by a small ball removing conveyor (23), dropped on the lower sloping surface of the lower bonnet (14), and fall on the bonnet. (14) It slides down on the descending inclined surface, is dropped and collected in the lower front left and right receiving boxes (19), and only the onions of the standard size or more are carried into the sorting conveyor (20). In the process of feeding onions larger than the standard size on the sorting conveyor (20), the sorting worker (20)
Defective products such as damaged balls and rotten balls are removed from the top, dropped and collected in a lower rear left and right receiving box (19) through a discharge chute (21), and are onion of a size larger than a standard size and free from scratches and rot. Is the one that is loaded into the container (16) from the rear end of the sorting conveyor (20).
【0012】図4乃至図6に示す如く、前記フォークリ
フト(15)は、後方に傾けた状態で機台(1)の後端
に立設固定する左右の支柱(24)と、支柱(24)の
上部後面に形成する縦長のガイド孔(25)に回動支点
軸(26)を介して背面側上部を昇降及び回動自在に支
持するフォーク(27)と、機台(1)の後端部とフォ
ーク(27)の背面部との間に張設する左右の油圧シリ
ンダ(28)からなり、シリンダ(28)を伸縮させて
フォーク(27)及びそれに搭載するコンテナ(16)
を昇降及び回動させるもので、図6に示すようにシリン
ダ(28)を縮小させ、フォーク(27)先端部を圃場
に載置されたコンテナ(16)の底面に対し抜差しでき
る高さにフォーク(27)を下降させ、その状態で機体
を前後に移動させることによりコンテナ(16)の積降
しを行う。また空のコンテナ(16)をフォーク(2
7)に搭載した状態でシリンダ(28)を伸長させて行
き、図4の実線に示すようにガイド孔(25)の上端に
回動支点軸(26)が位置する最上昇位置にフォーク
(27)と空のコンテナ(16)を持上げ、図4の仮想
線に示すようにさらにシリンダ(28)を最伸長状態ま
で伸長させて行き、ガイド孔(25)の上端に位置する
回動支点軸(26)を中心にフォーク(27)と空のコ
ンテナ(16)を反時計方向に回動させ、そのコンテナ
(16)の中に選別コンベヤ(20)の後部を入れ込
み、その状態で玉葱の収穫作業を開始し、以後、コンテ
ナ(16)に積込まれた玉葱の量に応じてシリンダ(2
8)を縮小して行き、ガイド孔(25)の上端に位置す
る回動支点軸(26)を中心にフォーク(27)とコン
テナ(16)を時計方向に回動させ、コンテナ(16)
を順次起こして行きながら玉葱の積込みを行い、荷降ろ
しが近ずいたらガイド孔(25)の上端に回動支点軸
(26)が位置する最上昇位置でフォーク(27)とコ
ンテナ(16)を起立状態に戻し(図4の実線状態)、
コンテナ(16)が満杯になるまで玉葱を積込み、コン
テナ(16)が満杯になるとシリンダ(28)をさらに
縮小させ、コンテナ(16)の底面が接地するまでフォ
ーク(27)を下降させ(図6の状態)、満杯状態のコ
ンテナ(16)を圃場に載置し、別の空のコンテナ(1
6)をフォーク(16)に積込むように構成している。As shown in FIGS. 4 to 6, the forklift (15) is provided with left and right columns (24) that are fixed to the rear end of the machine base (1) in a state of being inclined rearward, and columns (24). A fork (27) for vertically moving and rotatably supporting the upper rear side via a pivot shaft (26) in a vertically long guide hole (25) formed in the upper rear surface of the machine; And left and right hydraulic cylinders (28) that are stretched between the section and the back of the fork (27). The cylinder (28) is expanded and contracted to fork (27) and the container (16) mounted on the fork (27).
The cylinder (28) is reduced as shown in FIG. 6, and the tip of the fork (27) is inserted into and removed from the bottom of the container (16) placed in the field. The container (16) is loaded and unloaded by lowering (27) and moving the body back and forth in this state. Replace empty container (16) with fork (2
7), the cylinder (28) is extended and the fork (27) is located at the highest position where the pivot (26) is located at the upper end of the guide hole (25) as shown by the solid line in FIG. ) And the empty container (16), and the cylinder (28) is further extended to the maximum extension state as shown by the phantom line in FIG. 4, and the rotation fulcrum shaft ( 26) The fork (27) and the empty container (16) are rotated counterclockwise around the center, and the rear part of the sorting conveyor (20) is inserted into the container (16). And thereafter, according to the amount of onion loaded in the container (16), the cylinder (2)
8), the fork (27) and the container (16) are rotated clockwise about the rotation fulcrum shaft (26) located at the upper end of the guide hole (25), and the container (16) is rotated.
Is carried out while the onions are being sequentially loaded, and when the unloading is approaching, the fork (27) and the container (16) are placed at the highest position where the rotation fulcrum shaft (26) is located at the upper end of the guide hole (25). Return to the standing state (solid line state in FIG. 4),
The onion is loaded until the container (16) is full, and when the container (16) is full, the cylinder (28) is further reduced, and the fork (27) is lowered until the bottom of the container (16) is in contact with the ground (FIG. 6). ), The full container (16) is placed on the field, and another empty container (1) is placed.
6) is loaded on the fork (16).
【0013】また、前記フォークリフト(15)は、支
柱(24)の中間部後側面に回転自在に軸支するガイド
ローラ(29)とフォーク(27)の背面側に突出固定
するリブ板であるならい板(30)とからなるチルト機
構を設け、フォーク(27)の背面側に最も多く張出す
ならい板(30)の上端部に前記回動支点軸(26)を
横架し、フォーク(27)を時計方向に回り勝手に支柱
(24)に支持させ、ガイドローラ(29)にならい板
(30)の端縁を押当てながらフォーク(27)を最上
昇位置から下降させるもので、ならい板(30)に台形
状の凹部(31)を設け、図4の実線に示すようにフォ
ーク(27)を最上昇位置で位置保持しているとき、凹
部(31)の真下のならい板(30)の下部作用端縁
(32)をガイドローラ(29)に押当てることによ
り、コンテナ(16)の底面に差込むフォーク(27)
先端部を地面と平行状態に保持し、フォーク(27)を
最上昇位置から下降させるとき、ならい板(30)の下
部作用端縁(32)と連続する凹部(31)の下部斜辺
である傾斜状の中間作用端縁(33)から凹部(31)
の底片である上部作用端縁(34)を連続的にガイドロ
ーラ(29)に押当てることにより、フォーク(27)
を順次時計方向に傾動させて行き、図6に示すようにフ
ォーク(27)をコンテナ積降ろし位置に下降させたと
き、フォーク(27)先端部を後下がり傾斜状態に保持
し、この状態でコンテナ(16)の積降ろしを行わせよ
うに構成している。The forklift (15) may be a guide roller (29) rotatably supported on the rear surface of the intermediate portion of the column (24) and a rib plate protruding and fixed to the back side of the fork (27). A tilt mechanism comprising a plate (30) is provided, and the rotation fulcrum shaft (26) is horizontally mounted on an upper end portion of the profile plate (30) which protrudes the most on the back side of the fork (27). The fork (27) is lowered from the highest position while the edge of the plate (30) is pressed against the guide roller (29) by rotating the fork (27) clockwise. 30) is provided with a trapezoidal concave portion (31), and when the fork (27) is held at the highest position as shown by the solid line in FIG. Guide the lower working edge (32) By of pressing in La (29), fork plugged into the bottom of the container (16) (27)
When the tip is held parallel to the ground and the fork (27) is lowered from the highest position, the slope is the lower hypotenuse of the recess (31) that is continuous with the lower working edge (32) of the profiler (30). From the intermediate working edge (33) to the recess (31)
The upper working edge (34), which is the bottom piece of the fork (27), is continuously pressed against the guide roller (29).
Are sequentially tilted clockwise, and when the fork (27) is lowered to the container loading / unloading position as shown in FIG. 6, the tip of the fork (27) is held backward and tilted. It is configured to carry out the loading and unloading of (16).
【0014】上記のように、フォーク(27)を最上昇
位置から下降させながら、チルト機構によりフォーク
(27)先端部を後下がり傾斜状態に傾斜させ、それに
搭載しているコンテナ(16)の底面を後部から順に接
地させることにより、コンテナ(16)を圃場にスムー
ズに載置することができ、またフォーク(27)先端部
を後下がり傾斜状態に保持し、その状態で機体を前後に
移動させてフォーク(27)先端部をコンテナ(16)
の底面に対し抜差しすることにより、コンテナ(16)
の積降ろしがスムーズに行えるものである。As described above, while the fork (27) is lowered from the highest position, the tip of the fork (27) is tilted backward and downward by the tilt mechanism, and the bottom surface of the container (16) mounted thereon is tilted. , The container (16) can be smoothly placed on the field by holding the fork (27) in the downwardly inclined state, and the body is moved back and forth in this state. Tip of fork (27) with container (16)
By inserting and removing the bottom of the container, the container (16)
Can be smoothly loaded and unloaded.
【0015】前記フォーク(27)には、それに搭載し
たコンテナ(16)の左右外側に作業者が立ってコンテ
ナ(16)に積込まれた玉葱の均平作業を行わせるため
の左右の均平作業用ステップ(35)が設けられ、選別
作業中にその作業者が選別作業者用ステップ(22)か
ら均平作業用ステップ(35)に乗移り可能とすると共
に、均平作業用ステップ(35)には、それに圃場から
直接搭乗するためのはしご(36)が設けられている。
さらにフォーク(27)に対するコンテナ(16)の左
右位置決めを左右の均平作業用ステップ(35)で行わ
せ、フォーク(27)にコンテナ(16)が左又は右に
位置ズレした状態で搭載されたり、フォーク(27)に
搭載したコンテナ(16)が左又は右に位置ズレするの
を左右の均平作業用ステップ(35)で防止している。On the fork (27), a worker stands on the left and right outer sides of the container (16) mounted on the fork (27), and a left and right leveling work is performed to level the onions loaded in the container (16). An operation step (35) is provided to enable the worker to move from the selection operator step (22) to the leveling step (35) during the sorting operation, and to perform the leveling step (35). ) Is provided with a ladder (36) for boarding directly from the field.
Further, the left and right positioning of the container (16) with respect to the fork (27) is performed in the left and right leveling work steps (35), and the container (16) is mounted on the fork (27) in a state where the container (16) is shifted left or right. The left and right leveling steps (35) prevent the container (16) mounted on the fork (27) from shifting to the left or right.
【0016】図7及び図8に示す如く、前記ピックアッ
プ部(8)は、拾上コンベヤ(11)のコンベヤ側板
(37)に掘取刃(9)及び掻込コンベヤ(10)及び
左右のゲージ輪(12)を取付けて構成するもので、拾
上コンベヤ(11)をその後部コンベヤ軸(38)を介
して持上コンベヤ(7)の左右のコンベヤ側板(39)
の下端部に上下動自在に枢支し、拾上コンベヤ(11)
をゲージ輪(12)により地面の凹凸に追従して上下動
させると共に、拾上コンベヤ(11)のコンベヤ側板
(37)と持上コンベヤ(7)のコンベヤ側板(39)
との間に左右の油圧シリンダ(40)を張設し、拾上コ
ンベヤ(11)をシリンダ(40)により昇降させるよ
うに構成している。As shown in FIGS. 7 and 8, the pickup section (8) is provided with a digging blade (9), a scraping conveyor (10) and left and right gauges on a conveyor side plate (37) of a pickup conveyor (11). The pickup conveyor (11) is provided with a wheel (12) attached thereto, and the right and left conveyor side plates (39) of the lifting conveyor (7) are connected via a rear conveyor shaft (38).
Picking conveyor (11) pivotably supported on the lower end of the robot
Is moved up and down following the unevenness of the ground by the gauge wheel (12), and the conveyor side plate (37) of the pick-up conveyor (11) and the conveyor side plate (39) of the lifting conveyor (7).
The right and left hydraulic cylinders (40) are stretched between them, and the pickup conveyor (11) is moved up and down by the cylinder (40).
【0017】また、持上コンベヤ(7)のコンベヤ側板
(39)の下端部にリミットスイッチレバー(41)付
きのリミットスイッチ(42)を取付けると共に、リミ
ットスイッチ(42)の操作ピン(43)を拾上コンベ
ヤ(11)のコンベヤ側板(37)に取付け、図8に示
すように拾上コンベヤ(11)をそれが略水平姿勢にな
る設定高さ(H)に上昇させたとき操作ピン(43)と
リミットスイッチレバー(41)を接触させ、拾上コン
ベヤ(11)を設定高さ(H)以上に上昇させたとき操
作ピン(43)でリミットスイッチレバー(41)を押
してリミットスイッチ(42)をオフ保持させ、拾上コ
ンベヤ(11)を設定高さ(H)以下に下降させたとき
操作ピン(43)をリミットスイッチレバー(41)か
ら離してリミットスイッチ(42)をオン保持させ、拾
上コンベヤ(11)の高さが設定高さ(H)以上か以下
かを前記リミットスイッチ(42)で検出するように構
成している。A limit switch (42) with a limit switch lever (41) is attached to the lower end of the conveyor side plate (39) of the lifting conveyor (7), and an operation pin (43) of the limit switch (42) is connected. When the pick-up conveyor (11) is attached to the conveyor side plate (37) of the pick-up conveyor (11) and the pick-up conveyor (11) is raised to a set height (H) at which it becomes substantially horizontal as shown in FIG. ) Is brought into contact with the limit switch lever (41), and when the pick-up conveyor (11) is raised above the set height (H), the limit switch lever (41) is pushed by the operation pin (43) to limit switch (42). When the pickup conveyor (11) is lowered below the set height (H), the operation pin (43) is separated from the limit switch lever (41) to limit the operation. Switch (42) is an on-hold, constitutes or less or Jitsuue conveyor (11) of the height set height (H) above to detect by the limit switch (42).
【0018】また、図9に示すように前記シリンダ(4
0)は単動形で、油圧ポンプ(44)の吐出ポートに上
昇用電磁切換弁(45)を介して接続され、ポンプ(4
4)からシリンダ(40)への流路にチェックバルブ
(46)を設けると共に、シリンダ(40)からオイル
タンク(47)への流路を開閉する下降用電磁弁(4
8)を設けている。また図10に示すようにバッテリ
(49)に上昇用電磁切換弁(45)の上昇切換ソレノ
イド(45a)と下降用電磁弁(48)の下降ソレノイ
ド(48a)を並列に接続させ、上昇切換ソレノイド
(45a)を上昇操作スイッチ(50)を介して短絡さ
せ、下降ソレノイド(48a)を下降操作スイッチ(5
1)を介して短絡させている。そして下降操作スイッチ
(51)がオフで下降ソレノイド(48a)への通電が
遮断された状態で、下降用電磁弁(48)がその復帰バ
ネ(48b)で右側のブロックに切換保持され、その右
側のブロックのチェックバルブ(48c)により、シリ
ンダ(40)からオイルタンク(47)への流路が閉鎖
された状態(図9の状態)で、上昇操作スイッチ(5
0)をオン操作することにより、その間上昇切換ソレノ
イド(45a)に通電し、上昇用電磁切換弁(45)を
右側のブロックに切換え、ポンプ(44)からシリンダ
(40)に圧力油を送り、そのシリンダ(40)を縮小
させ、拾上コンベヤ(11)を上昇させ、且つ、上昇操
作スイッチ(50)をオフにしたときの上昇操作位置で
シリンダ(40)により拾上コンベヤ(11)を位置保
持させる一方、下降操作スイッチ(51)をオン操作す
ることにより、その間下降ソレノイド(48a)に通電
し、下降用電磁弁(48)を左側のブロックに切換え、
シリンダ(40)からオイルタンク(47)への流路を
開放し、シリンダ(40)の圧力を開放し、拾上コンベ
ヤ(11)の重量でシリンダ(40)を伸長させ、拾上
コンベヤ(11)を下降させ、且つ、下降操作スイッチ
(51)をオフにしたときの下降操作位置でシリンダ
(40)により拾上コンベヤ(11)を位置保持させる
ように構成している。Further, as shown in FIG.
0) is a single-acting type, which is connected to a discharge port of a hydraulic pump (44) via an ascending electromagnetic switching valve (45), and is connected to a pump (4).
A check valve (46) is provided in a flow path from the cylinder (40) to the cylinder (40), and a lowering solenoid valve (4) that opens and closes a flow path from the cylinder (40) to the oil tank (47).
8) is provided. Also, as shown in FIG. 10, a battery (49) is connected in parallel with an ascending solenoid (45a) of an ascending electromagnetic switching valve (45) and a descending solenoid (48a) of a descending electromagnetic valve (48). (45a) is short-circuited via the raising operation switch (50), and the lowering solenoid (48a) is moved to the lowering operation switch (5).
Short-circuited via 1). When the lowering operation switch (51) is off and the energization to the lowering solenoid (48a) is cut off, the lowering solenoid valve (48) is switched and held by the return spring (48b) to the right block, When the flow path from the cylinder (40) to the oil tank (47) is closed by the check valve (48c) of the block (FIG. 9), the raising operation switch (5)
By turning on 0), the ascending switching solenoid (45a) is energized during that time, the ascending electromagnetic switching valve (45) is switched to the right block, and pressure oil is sent from the pump (44) to the cylinder (40). The cylinder (40) is contracted, the pick-up conveyor (11) is raised, and the pick-up conveyor (11) is positioned by the cylinder (40) at the raising operation position when the raising operation switch (50) is turned off. On the other hand, by turning on the lowering operation switch (51), the lowering solenoid (48a) is energized during that time, and the lowering solenoid valve (48) is switched to the left block.
The flow path from the cylinder (40) to the oil tank (47) is released, the pressure of the cylinder (40) is released, the cylinder (40) is extended by the weight of the pickup conveyor (11), and the pickup conveyor (11) is opened. ) Is lowered, and the pickup conveyor (11) is held by the cylinder (40) at the lowering operation position when the lowering operation switch (51) is turned off.
【0019】そして、拾上コンベヤ(11)の高さが設
定高さ(H)以上か以下かを検出する前記リミットスイ
ッチ(42)の出力に基づいて、前記下降用電磁弁(4
8)を設定高さ(H)以上のときは昇降操作後「閉」状
態(図9の状態)に、設定高さ(H)以下のときは昇降
操作後「開」状態に切換えるフローティング機構を設け
るもので、図10に示すように前記バッテリ(49)に
フローティングスイッチ(52)を介して接続され、且
つ、前記リミットスイッチ(42)を介して短絡される
リレーコイル(53a)と、前記下降ソレノイド(48
a)と下降操作スイッチ(51)の間に組込まれ、下降
ソレノイド(48a)を下降操作スイッチ(51)を介
して短絡させる回路と直接短絡させる回路に切換えるリ
レースイッチ(53b)とからなるフローティングリレ
ー(53)を設け、フローティングスイッチ(52)が
オン操作された状態で、リミットスイッチ(42)がオ
フ操作されている間、即ち拾上コンベヤ(11)の昇降
範囲中、設定高さ(H)以上の範囲で、フローティング
リレー(53)のリレーコイル(53a)への通電を遮
断し、下降ソレノイド(48a)を下降操作スイッチ
(51)を介して短絡させる回路にリレースイッチ(5
3)を介して切換えることにより、上昇操作スイッチ
(50)及び下降操作スイッチ(51)による拾上コン
ベヤ(11)の昇降操作とその昇降操作位置でのシリン
ダ(40)による拾上コンベヤ(11)の位置保持を可
能とする一方、リミットスイッチ(42)がオン操作さ
れている間、即ち拾上コンベヤ(11)の昇降範囲中、
設定高さ(H)以下の範囲では、フローティングリレー
(53)のリレーコイル(53a)へ通電し、下降ソレ
ノイド(48a)を直接短絡させる回路にリレースイッ
チ(53b)を介して切換えることにより、拾上コンベ
ヤ(11)をゲージ輪(12)が接地するまで下降さ
せ、拾上コンベヤ(11)をゲージ輪(12)により地
面の凹凸に追従して上下動させるように構成している。Then, based on the output of the limit switch (42) for detecting whether the height of the pickup conveyor (11) is equal to or higher than the set height (H), the lowering solenoid valve (4) is detected.
8) A floating mechanism that switches to a “closed” state (the state of FIG. 9) after the elevating operation when the height is equal to or higher than the set height (H), and to an “open” state after the elevating operation when less than the set height (H). A relay coil (53a) connected to the battery (49) via a floating switch (52) and short-circuited via the limit switch (42), as shown in FIG. Solenoid (48
a) A floating relay which is incorporated between the lowering operation switch (51) and comprises a circuit for short-circuiting the lowering solenoid (48a) via the lowering operation switch (51) and a relay switch (53b) for switching directly to a circuit for short-circuiting. (53) is provided, with the floating switch (52) being turned on and the limit switch (42) being turned off, that is, while the pickup conveyor (11) is being moved up and down, the set height (H). Within the above range, the relay switch (5) is connected to a circuit that cuts off the power supply to the relay coil (53a) of the floating relay (53) and short-circuits the descending solenoid (48a) via the descending operation switch (51).
3), the lifting operation of the pickup conveyor (11) by the raising operation switch (50) and the lowering operation switch (51), and the pickup conveyor (11) by the cylinder (40) at the lifting operation position. While the limit switch (42) is being turned on, that is, while the pick-up conveyor (11) is moving up and down,
In the range below the set height (H), the relay coil (53a) of the floating relay (53) is energized and switched to a circuit for directly short-circuiting the descending solenoid (48a) via the relay switch (53b), so as to be picked up. The upper conveyor (11) is lowered until the gauge wheel (12) comes in contact with the ground, and the pick-up conveyor (11) is moved up and down following the unevenness of the ground by the gauge wheel (12).
【0020】また、フローティングスイッチ(52)の
二次側にリレーコイル(54a)とリレースイッチ(5
4b)を並列に接続させる上昇優先リレー(54)を設
け、フローティングスイッチ(52)に上昇優先リレー
(54)のリレースイッチ(54b)を介してフローテ
ィングリレー(53)のリレーコイル(53a)を接続
させ、上昇優先リレー(54)のリレーコイル(54
a)を上昇操作スイッチ(50)を介して短絡させるも
ので、上昇操作スイッチ(50)がオン操作されている
間、上昇優先リレー(54)のリレーコイル(54a)
に通電してリレースイッチ(54b)をオフ保持するこ
とにより、フローティングリレー(53)のリレーコイ
ル(53a)への通電を遮断し、フローティング動作を
中断させるように構成している。A relay coil (54a) and a relay switch (5) are provided on the secondary side of the floating switch (52).
4b) is connected in parallel with the ascending priority relay (54), and the floating switch (52) is connected to the relay coil (53a) of the floating relay (53) via the ascending priority relay (54) relay switch (54b). The relay coil (54) of the ascending priority relay (54).
a) is short-circuited via the raising operation switch (50), and the relay coil (54a) of the raising priority relay (54) while the raising operation switch (50) is turned on.
And the relay switch (54b) is kept off to cut off the power supply to the relay coil (53a) of the floating relay (53) and interrupt the floating operation.
【0021】また、持上コンベヤ(7)及び拾上コンベ
ヤ(11)及び掻込コンベヤ(10)にエンジン(4)
動力を継断自在に伝達するための後述する作業クラッチ
が「入」のときオンになり「切」のときオフになる作業
クラッチスイッチ(55)を設け、その作業クラッチス
イッチ(55)をバッテリ(49)とフローティングス
イッチ(52)の間に組込み、作業クラッチが「入」の
とき、即ち作業時にのみ上記フローティング機構を作動
させるように構成している。An engine (4) is provided for the lifting conveyor (7), the pick-up conveyor (11), and the scraping conveyor (10).
A work clutch switch (55) that is turned on when a work clutch, which will be described later, for transmitting power in an on state and turned off when the work clutch is turned off is provided, and the work clutch switch (55) is connected to a battery ( 49) and the floating switch (52), so that the floating mechanism is operated only when the work clutch is "on", that is, only during work.
【0022】上記から明らかなように、玉葱を圃場から
拾上げる拾上コンベヤ(11)をシリンダ(40)によ
り昇降させる玉葱収穫機において、拾上コンベヤ(1
1)をその昇降範囲中設定高さ(H)以上の範囲で昇降
操作位置にシリンダ(40)により位置保持し、且つ、
前記設定高さ(H)以下の範囲でシリンダ(40)の圧
力を開放してゲージ輪(12)により地面の凹凸に追従
して上下動させるフローティング機構を設けたもので、
拾上コンベヤ(11)をその昇降範囲中設定高さ(H)
以上の範囲で持上げ高さを調節できるから、路上での移
動時等には拾上コンベヤ(11)を最上昇位置に持上げ
て位置保持でき、圃場の端での回行移動時等には拾上コ
ンベヤ(11)を最上昇位置ではなく、設定高さ(H)
より少しだけ高い位置に持上げて位置保持でき、次工程
の作業に素早く取りかかれるものである。またフローテ
ィング機構は、拾上コンベヤ(11)の高さが設定高さ
(H)以上か以下かを検出する検出器であるリミットス
イッチ(42)の出力に基づいて、シリンダ(40)か
らタンク(47)への流路を開閉する電磁弁(48)
を、設定高さ(H)以上のときは昇降操作後「閉」状態
に、設定高さ(H)以下のときは昇降操作後「開」状態
に切換るもので、既存構造を有効利用して簡単に得られ
るから、製造コストの上昇を抑えることができるもので
ある。またフローティング機構を作業クラッチが「入」
のときにのみ作動させる牽制部材である作業クラッチス
イッチ(55)を設けたもので、フローティング機構を
作業時にのみ作動可能とするから、移動時にフローティ
ング機構により拾上コンベヤ(11)を不用意に下降さ
せて破損させる等の誤動作を防止できるものである。ま
た拾上コンベヤ(11)の上昇操作時にフローティング
動作を中断させる上昇優先部材である上昇優先リレー
(54)を設けたもので、拾上コンベヤ(11)を上昇
操作だけでいつでも確実に持上げることができるから、
圃場の端での回行移動時の操作が煩雑になるのを防止で
きると共に、拾上コンベヤ(11)を緊急に持上げるこ
とも行えて作業を安全に行えるものである。As is apparent from the above description, in the onion harvester in which the pick-up conveyor (11) for picking up onions from the field is moved up and down by the cylinder (40), the pick-up conveyor (1) is used.
1) is held by the cylinder (40) at the elevating operation position within a range of not less than the set height (H) in the elevating range, and
A floating mechanism is provided which releases the pressure of the cylinder (40) within the range of the set height (H) or less and moves the gauge wheel (12) up and down following the unevenness of the ground by the gauge wheel (12),
Set the pick-up conveyor (11) to its set height (H) in its lifting range.
Since the lifting height can be adjusted in the above range, the pick-up conveyor (11) can be lifted to the highest position when moving on a road or the like, and can be held at the end of a field, etc. Set the upper conveyor (11) not at the highest position, but at the set height (H).
It can be lifted to a slightly higher position and held in position, so that it can be quickly started to work in the next process. In addition, the floating mechanism is configured to detect whether the height of the pickup conveyor (11) is greater than or equal to a set height (H) or not, based on an output of a limit switch (42) that is a detector. Solenoid valve (48) for opening and closing the flow path to 47)
Is switched to the "closed" state after the elevating operation when the height is equal to or higher than the set height (H), and to the "open" state after the elevating operation when the height is equal to or less than the set height (H). Therefore, it is possible to suppress an increase in manufacturing cost. In addition, the work clutch is "in" the floating mechanism.
A work clutch switch (55), which is a restraining member that is operated only when the vehicle is running, allows the floating mechanism to be operated only during work. Therefore, the pickup conveyor (11) is inadvertently lowered by the floating mechanism when moving. It is possible to prevent malfunctions such as breakage caused by the above. In addition, a lifting priority relay (54), which is a lifting priority member for interrupting the floating operation when the pickup conveyor (11) is raised, is provided so that the lifting conveyor (11) can be reliably lifted at any time only by the lifting operation. Because you can
The operation during the reciprocating movement at the end of the field can be prevented from being complicated, and the pick-up conveyor (11) can be raised urgently to perform the operation safely.
【0023】図7及び図8に示す如く、拾上コンベヤ
(11)のコンベヤ側板(11)に上下動自在に枢支す
る左右の支持フレーム(56)にゲージ輪(12)を取
付け、その支持フレーム(56)間に横杆(57)を回
転自在に横架し、横杆(57)に設けるアーム(58)
を連結杆(59)を介して拾上コンベヤ(11)のコン
ベヤ側板(11)に連結すると共に、アーム(58)と
支持フレーム(56)間に油圧シリンダ(60)を張設
するもので、シリンダ(60)の伸縮によりゲージ輪
(12)を昇降させ、拾上コンベヤ(11)の対地高さ
を調節するように構成している。As shown in FIGS. 7 and 8, a gauge wheel (12) is attached to a left and right support frame (56) pivotally supported on a conveyor side plate (11) of a pick-up conveyor (11) so as to be vertically movable. An arm (58) provided on the horizontal rod (57) so as to freely rotate the horizontal rod (57) between the frames (56).
Is connected to the conveyor side plate (11) of the pick-up conveyor (11) via a connecting rod (59), and a hydraulic cylinder (60) is stretched between the arm (58) and the support frame (56). The gauge wheel (12) is raised and lowered by the expansion and contraction of the cylinder (60), and the height of the pickup conveyor (11) with respect to the ground is adjusted.
【0024】図11及び図12に示す如く、前記持上コ
ンベヤ(7)は、そのコンベヤ側板(39)が上コンベ
ヤ側板(39a)と下コンベヤ側板(39b)とに分割
され、上下のコンベヤ側板(39a)(39b)が中間
軸(61)を介して折曲自在に連結され、コンベヤ側板
(39)の折曲部で折曲がり可能とされるもので、機台
(1)からエンジン部(3)の左右外側に立設固定する
左右のガードフレーム(62)の上に左右の支持フレー
ム(63)を立設固定させ、持上コンベヤ(7)を上コ
ンベヤ側板(39a)の端部に横架する上部コンベヤ軸
(64)を介して支持フレーム(63)の上端部に上下
動自在に枢支させると共に、下コンベヤ側板(39b)
の下端部を左右のリフトアーム(65)を介して機台
(1)に上下動自在に枢支させ、機台(1)とリフトア
ーム(65)間に張設する油圧シリンダ(66)により
持上コンベヤ(7)をコンベヤ側板(39)の折曲部で
折曲げながら昇降させるように構成している。As shown in FIGS. 11 and 12, the lifting conveyor (7) has a conveyor side plate (39) divided into an upper conveyor side plate (39a) and a lower conveyor side plate (39b). (39a) and (39b) are connected to bendable via an intermediate shaft (61) and can be bent at a bent portion of the conveyor side plate (39). 3) The left and right support frames (63) are erected and fixed on the left and right guard frames (62) that are erected and fixed on the left and right outer sides, and the lifting conveyor (7) is attached to the end of the upper conveyor side plate (39a). An upper conveyor shaft (64) that extends horizontally supports a vertically movable upper end of the support frame (63) and a lower conveyor side plate (39b).
The lower end is pivotally supported on the machine base (1) up and down via left and right lift arms (65) so as to be movable up and down, and a hydraulic cylinder (66) stretched between the machine base (1) and the lift arm (65). The lifting conveyor (7) is configured to be raised and lowered while being bent at a bent portion of the conveyor side plate (39).
【0025】また、図7及び図8にも示すように平坦な
圃場で機体が前後に傾いていない状態で、持上コンベヤ
(7)を地面から所定高さ(約100ミリ前後)持上げ
たときの通常作業位置、それ以下に持上コンベヤ(7)
が下降するのを規制する下降規制部材である左右のスト
ッパー(67)とその下降規制を解除する操作部材であ
る操作レバー(68)を設けるもので、ストッパー(6
7)は下コンベヤ側板(39b)の下部外面で、リフト
アーム(65)の上側に前後方向の軸回りで回動自在に
取付けられ、内面が下コンベヤ側板(39b)の外面に
当接して下向き姿勢となる作用位置にコイルバネ(6
9)で常時バネ付勢され、且つ、操縦部(6)側の下コ
ンベヤ側板(39b)の上部外面に傾倒操作自在に取付
けた操作レバー(68)にワイヤー(70)を介して連
動連結され、図7及び図11に示すように持上コンベヤ
(7)をその重量で通常作業位置まで下降させたとき、
作用位置に下向き姿勢で位置保持されているストッパー
(67)をリフトアーム(65)に上方から当接させる
ことにより、持上コンベヤ(7)が通常作業位置以下に
下降するのを規制し、持上コンベヤ(7)を通常作業位
置に位置保持する一方、操縦部(6)のオペレータによ
り操作レバー(68)を操作させ、ストッパー(67)
のワイヤー(70)を引っ張り、図12に示すようにス
トッパー(67)を作用位置から外側に回動変位させて
リフトアーム(65)との係止を解除することにより、
持上コンベヤ(7)を通常作業位置以下に下降可能とす
るように構成している。Also, as shown in FIGS. 7 and 8, when the lifting conveyor (7) is lifted from the ground by a predetermined height (about 100 mm) in a flat field without the body leaning back and forth. Normal working position, below which lifting conveyor (7)
The stopper (6) is provided with left and right stoppers (67), which are lowering restricting members for restricting the lowering, and an operation lever (68), which is an operating member for releasing the lowering restriction.
Reference numeral 7) denotes a lower outer surface of the lower conveyor side plate (39b), which is mounted on the upper side of the lift arm (65) so as to be rotatable around an axis in the front-rear direction, and whose inner surface contacts the outer surface of the lower conveyor side plate (39b) and faces downward. Position the coil spring (6
In 9), a spring is always applied, and is interlockingly connected via a wire (70) to an operation lever (68) which is attached to the upper outer surface of the lower conveyor side plate (39b) on the operation unit (6) side so as to be tiltable. When the lifting conveyor (7) is lowered to its normal working position by its weight, as shown in FIGS.
The stopper (67), which is held in a downward position at the operation position, is brought into contact with the lift arm (65) from above, thereby restricting the lifting conveyor (7) from lowering below the normal working position. While holding the upper conveyor (7) in the normal working position, the operator of the control unit (6) operates the operation lever (68), and stops the stopper (67).
By pulling the wire (70), the stopper (67) is pivotally displaced outward from the operation position as shown in FIG. 12 to release the engagement with the lift arm (65),
The lifting conveyor (7) is configured to be able to descend below the normal working position.
【0026】上記から明らかなように、クローラ走行装
置(2)を有する機台(1)の前方側から上方に亘って
後上がり傾斜状態に持上コンベヤ(7)を配置し、持上
コンベヤ(7)を昇降自在に機台(1)に取付けると共
に、圃場から玉葱を拾上げる拾上コンベヤ(11)を持
上コンベヤ(7)の下端側に取付ける玉葱収穫機におい
て、持上コンベヤ(7)が通常作業位置以下に下降する
のを規制する下降規制部材であるストッパー(67)と
その下降規制を解除する操作部材である操作レバー(6
8)を設けたもので、平坦な圃場では図7及び図11に
示すように持上コンベヤ(7)をストッパー(67)に
より最下降位置より高い通常作業位置に位置保持し、ゲ
ージ輪(12)を接地させた状態で、拾上コンベヤ(1
1)をゲージ輪(12)により地面の凹凸に追従して上
下動させながら作業を行い、圃場の端等では旋回の轍等
で地面が掘下げられているため、収穫済みの畦から未収
穫の畦に回行移動して作業を開始するときの機体姿勢が
後下がりとなり、ゲージ輪(12)及び拾上コンベヤ
(11)が地面から浮上がった状態となって、玉葱を圃
場から拾上げ得ないことが起こる。このような場合に、
図12に示すようにストッパー(67)による持上コン
ベヤ(7)の下降規制を解除して、持上コンベヤ(7)
を通常作業位置以下に下降させることにより、ゲージ輪
(12)を接地させることができて、拾上コンベヤ(1
1)をゲージ輪(12)により地面の凹凸に追従して上
下動させることができ、拾上コンベヤ(11)の拾上げ
高さを適切な高さに調節できるから、玉葱を圃場から確
実に拾上げて拾残しのない収穫作業が行えるものであ
る。また持上コンベヤ(7)のコンベヤ側板(39)を
上下に分割して折曲自在に連結し、持上コンベヤ(7)
を上コンベヤ側板(39a)の端部で機台(1)に立設
固定する支持フレーム(63)に上下動自在に枢支させ
ると共に、下コンベヤ側板(39b)をリフトアーム
(65)を介して機台(1)に上下動自在に枢支させ、
持上コンベヤ(7)をコンベヤ側板(39)の折曲部で
折曲げながら昇降させるもので、持上コンベヤ(7)の
昇降時に、持上コンベヤ(7)の下部は平行移動又は略
平行移動しながら昇降するから、拾上コンベヤ(11)
と持上げコンベヤ(7)間の玉葱の受継姿勢をあまり変
化させることなく安定した受継性能を得られるものであ
る。またストッパー(67)は、下コンベヤ側板(39
b)に回動自在に取付けられて、作用位置に常時バネ付
勢され、且つ、操作レバー(68)と連動連結され、持
上コンベヤ(7)が通常作業位置に下降したときにリフ
トアーム(65)に当接させることにより、持上コンベ
ヤ(7)を通常作業位置に位置保持する一方、操作レバ
ー(68)によりストッパー(67)を非作用位置に回
動させ、リフトアーム(65)との係止を解除すること
により、持上コンベヤ(7)を通常作業位置以下に下降
可能とするもので、簡単な構造で製造コストを抑えなが
ら持上コンベヤ(7)の下降規制及びその解除を行える
ものである。また機台(1)の一側に突出して配置され
る操縦部(6)側の持上コンベヤ(7)のコンベヤ側板
(39)に操作レバー(68)を配置したもので、操縦
部(6)から持上コンベヤ(7)の下降規制解除操作を
他の操作と同時に行え、作業を連続して適正に行えるも
のである。As is apparent from the above description, the lifting conveyor (7) is disposed in a state of being inclined upward and rearward from the front side of the machine base (1) having the crawler traveling device (2). A lifting conveyor (7) in an onion harvesting machine in which 7) is mounted on the machine base (1) so as to be able to move up and down, and a pickup conveyor (11) for picking up onions from a field is attached to the lower end side of the lifting conveyor (7). (67), which is a lowering restricting member that restricts the lowering of the lowering to below the normal working position, and an operating lever (6) that is an operating member for releasing the lowering restriction.
In a flat field, the lifting conveyor (7) is held at a normal working position higher than the lowest position by a stopper (67) as shown in FIGS. ) And the pickup conveyor (1)
The work is performed while moving 1) up and down following the unevenness of the ground by the gauge wheel (12). At the edge of the field, the ground is dug down by a turning rut, etc. The aircraft attitude when moving around to the ridge and starting work is lowered, and the gauge wheel (12) and the pick-up conveyor (11) are lifted off the ground, so that onions can be picked up from the field. Nothing happens. In such a case,
As shown in FIG. 12, the lifting conveyor (7) is released from being lowered by the stopper (67), and the lifting conveyor (7) is released.
The gauge wheel (12) can be brought into contact with the ground by lowering the
The 1) can be moved up and down by following the unevenness of the ground by the gauge wheel (12), and the pickup height of the pickup conveyor (11) can be adjusted to an appropriate height, so that the onions can be reliably removed from the field. It can be harvested without picking up. In addition, the conveyor side plate (39) of the lifting conveyor (7) is vertically divided and connected in a freely bendable manner, and the lifting conveyor (7) is provided.
At the end of the upper conveyor side plate (39a) to a support frame (63) which is erected on the machine base (1) so as to be vertically movable, and the lower conveyor side plate (39b) is moved via a lift arm (65). On the machine base (1) so that it can move up and down freely,
The lifting conveyor (7) is raised and lowered while being bent at the bent portion of the conveyor side plate (39). When the lifting conveyor (7) is raised and lowered, the lower part of the lifting conveyor (7) is translated or substantially translated. Picking up conveyor (11)
Thus, stable inheritance performance can be obtained without significantly changing the attitude of inheriting onions between the conveyor and the lifting conveyor (7). The stopper (67) is provided on the lower conveyor side plate (39).
b), which is rotatably mounted, is always spring-biased to the operating position, and is interlocked with the operating lever (68), so that when the lifting conveyor (7) is lowered to the normal working position, the lift arm ( 65), the lifting conveyor (7) is held in the normal working position, while the stopper (67) is turned to the non-operating position by the operating lever (68), and the lift arm (65) is brought into contact with the lifting arm (65). The lifting conveyor (7) can be lowered to a position below the normal working position by releasing the locking of the lifting conveyor (7). You can do it. Further, an operation lever (68) is arranged on a conveyor side plate (39) of a lifting conveyor (7) on a side of a control section (6) protruding from one side of the machine base (1). ), Lifting operation of the lifting conveyor (7) can be released simultaneously with other operations, and the operation can be continuously and appropriately performed.
【0027】図11及び図12に示す如く、エンジン部
(3)にエンジン(4)とミッション(5)と共に作業
用の変速ケース(71)を内蔵し、エンジン(4)の出
力軸(72)からミッション(5)の入力軸(73)に
伝動ベルト(74)で動力を伝達してクローラ走行装置
(2)を駆動する一方、エンジン(4)の出力軸(7
2)から変速ケース(71)の入力軸(75)に伝動ベ
ルト(76)で動力を伝達し、その変速ケース(71)
の出力軸であるPTO軸(77)から作業用の動力を取
出すもので、そのPTO軸(77)から支持フレーム
(63)の下部に設けるカウンタ軸(78)に伝動ベル
ト(79)及びテンションローラである作業クラッチ
(80)で動力を継断自在に伝達し、カウンタ軸(7
8)から持上コンベヤ(7)の後部コンベヤ軸(64)
に伝動チェン(81)で動力を伝達し、その持上コンベ
ヤ(7)を駆動すると共に、カウンタ軸(78)から茎
葉分離コンベヤ(13)の後部コンベヤ軸(82)に伝
動チェン(83)で動力を伝達し、その茎葉分離コンベ
ヤ(13)を駆動している。また拾上コンベヤ(11)
はその後部コンベヤ軸(38)に持上コンベヤ(7)の
下部コンベヤ軸(84)から伝動チェン(85)で動力
が伝達されて駆動され、掻込コンベヤ(10)はその後
部コンベヤ軸(86)に拾上コンベヤ(11)の後部コ
ンベヤ軸(38)から伝動チェン(87)で動力が伝達
されて駆動されている。As shown in FIGS. 11 and 12, the engine section (3) incorporates an engine (4) and a transmission (5) together with a work shift case (71), and an output shaft (72) of the engine (4). Power is transmitted from a transmission belt (74) to an input shaft (73) of a mission (5) to drive a crawler traveling device (2), while an output shaft (7) of an engine (4) is driven.
Power is transmitted from the transmission belt (76) from 2) to the input shaft (75) of the transmission case (71), and the transmission case (71) is transmitted.
The power for working is taken out from the PTO shaft (77), which is the output shaft of the motor, and the transmission belt (79) and the tension roller are provided from the PTO shaft (77) to a counter shaft (78) provided below the support frame (63). The work clutch (80) transmits the power in a freely connectable manner, and the counter shaft (7)
8) From the rear conveyor shaft (64) to the lifting conveyor (7)
The transmission chain (81) drives the lifting conveyor (7), and the transmission chain (83) from the counter shaft (78) to the rear conveyor shaft (82) of the foliage separating conveyor (13). The power is transmitted to drive the foliage separation conveyor (13). Pick-up conveyor (11)
The power is transmitted to the rear conveyor shaft (38) from the lower conveyor shaft (84) of the lifting conveyor (7) by the transmission chain (85), and the scraping conveyor (10) is driven by the rear conveyor shaft (86). Power is transmitted from a rear conveyor shaft (38) of a pickup conveyor (11) to a transmission chain (87) to drive the pickup conveyor (11).
【0028】図13乃至図15に示す如く、機台(1)
の後半部に固定して貯留箱(17)及び左右の選別作業
者用ステップ(22)を取付ける選別台(88)の上に
コンベヤ台(89)を固定し、前記選別コンベヤ(2
0)の左右のコンベヤ側板(90)をコンベヤ台(8
9)に後上がり傾斜状態に上載固定し、選別コンベヤ
(20)を後上がり傾斜状態に設けている。選別コンベ
ヤ(20)のコンベヤ側板(90)の前端側には複数の
小玉抜ローラ(91)が前後方向に並設され、且つ、後
側の小玉抜ローラ(91)ほど支持高さが低くなるよう
に、各小玉抜ローラ(91)が選別コンベヤ(20)の
コンベヤ側板(90)に回転自在に横架され、小玉抜コ
ンベヤ(23)が選別コンベヤ(20)の直前に後下が
り傾斜状態で形成されている。As shown in FIGS. 13 to 15, the machine base (1)
A conveyor table (89) is fixed on a sorting table (88) on which the storage box (17) and the left and right sorting operator steps (22) are fixed and fixed to the latter half of the sorting conveyor (2).
0) and the conveyor side plates (90) on the left and right sides.
9), the sorting conveyor (20) is mounted on the rear-upward inclined state, and the sorting conveyor (20) is provided in the rear-upward inclined state. On the front end side of the conveyor side plate (90) of the sorting conveyor (20), a plurality of small bead removing rollers (91) are arranged in the front-rear direction, and the supporting height of the rear small bead removing roller (91) becomes lower. As described above, each of the small bead removal rollers (91) is rotatably suspended on the conveyor side plate (90) of the sorting conveyor (20), and the small bead removing conveyor (23) is inclined backward and downward just before the sorting conveyor (20). Is formed.
【0029】選別コンベヤ(20)は、その前部コンベ
ヤ軸(92)を小玉抜コンベヤ(23)の最後の小玉抜
ローラ(91)の直後でコンベヤ側板(90)に横架
し、後部コンベヤ軸(93)をコンベヤ側板(90)の
後端部に横架し、前部コンベヤ軸(92)と後部コンベ
ヤ軸(93)との間にスプロケット(94)を介して左
右の無端状のコンベヤチェン(95)を張設すると共
に、横杆であるコンベヤローラ(96)をそれぞれロー
ラ軸(97)を介してコンベヤチェン(95)の間に等
間隔に横架し、ローラコンベヤに形成している。The sorting conveyor (20) has its front conveyor shaft (92) laid horizontally on the conveyor side plate (90) immediately after the last small ball removing roller (91) of the small ball removing conveyor (23), and the rear conveyor shaft. (93) is laid on the rear end of the conveyor side plate (90), and between the front conveyor shaft (92) and the rear conveyor shaft (93) is a left and right endless conveyor chain via a sprocket (94). (95) is stretched, and the conveyor rollers (96), which are horizontal bars, are respectively suspended between the conveyor chains (95) via roller shafts (97) at equal intervals to form a roller conveyor. .
【0030】また、選別コンベヤ(20)の後部コンベ
ヤ軸(93)はその両端部をコンベヤ側板(90)に対
し前後移動自在に軸受けされ、且つ、図示しないテンシ
ョンバネで後方に弾圧され、コンベヤチェン(95)の
テンション調節を行えるようになっている。またコンベ
ヤ側板(90)の中間部外側面には放出シュート(2
1)が取付けられると共に、一側のコンベヤ側板(9
0)の前部外側面には選別コンベヤ(20)の駆動源で
ある油圧モータ(98)が取付けられ、選別コンベヤ
(20)がその前部コンベヤ軸(92)にモータ(9
8)の出力軸(99)から伝動チェン(100)で伝達
される動力で駆動され、小玉抜コンベヤ(23)の各小
玉抜ローラ(91)が選別コンベヤ(20)の前部コン
ベヤ軸(92)から伝動チェン(101)で伝達される
動力で駆動されている。The rear conveyor shaft (93) of the sorting conveyor (20) is supported at both ends thereof so as to be able to move back and forth with respect to the conveyor side plate (90), and is pressed backward by a tension spring (not shown) so as to be conveyed. The tension adjustment of (95) can be performed. The discharge chute (2) is provided on the outer surface of the intermediate portion of the conveyor side plate (90).
1) is attached, and one conveyor side plate (9)
A hydraulic motor (98), which is a driving source of the sorting conveyor (20), is mounted on the front outer surface of the front conveyor (0), and the sorting conveyor (20) has a motor (9) attached to its front conveyor shaft (92).
8) is driven by the power transmitted from the output shaft (99) by the transmission chain (100), and each of the small ball removing rollers (91) of the small ball removing conveyor (23) is driven by the front conveyor shaft (92) of the sorting conveyor (20). ) From the transmission chain (101).
【0031】また、選別コンベヤ(20)の各コンベヤ
軸(92)(93)上にコンベヤローラ(96)を回行
案内する左右の円板状の回行ガイド(102)を設けて
いる。さらにコンベヤ側板(90)の下端から内側に直
角に延出する延出部(90a)を設け、選別コンベヤ
(20)の非搬送側直走区間を移動するコンベヤローラ
(96)の左右端部を延出部(90a)で下側から支持
するもので、多数のコンベヤローラ(96)のうち、あ
るコンベヤローラ(96a)が非搬送側直走区間の終端
側に移動したときその直後のコンベヤローラ(96)と
の隙間を拡大させ、搬送側直走区間のコンベヤローラ
(96)の隙間から抜落ちて非搬送側直走区間のコンベ
ヤローラ(96)の隙間を抜落ちずに前側の回行部内側
に溜まる小石等を定期的に排出する詰まり防止機構を設
けている。Further, on each of the conveyor shafts (92) and (93) of the sorting conveyor (20), left and right disc-shaped traveling guides (102) for traveling and guiding the conveyor rollers (96) are provided. Further, an extending portion (90a) extending inward at a right angle from the lower end of the conveyor side plate (90) is provided, and left and right ends of a conveyor roller (96) moving in a non-transport side straight running section of the sorting conveyor (20). The roller is supported from below by an extension part (90a), and when a certain conveyor roller (96a) of the many conveyor rollers (96) moves to the end side of the non-transport-side straight running section, the conveyor roller immediately after that. (96), the gap between the conveyor roller (96) in the straight section on the transport side and the gap between the conveyor roller (96) in the straight section on the non-transport side without falling off. A clogging prevention mechanism is provided for periodically discharging pebbles and the like that accumulate inside the unit.
【0032】詰まり防止機構は、あるコンベヤローラ
(96a)のローラ軸(97a)の左右の端部をその直
前のコンベヤローラ(96)のローラ軸(97)の左右
の端部に左右の揺動リンク(103)によって回動変移
自在に支持すると共に、コンベヤローラ(96)(96
a)の左右端部を非搬送側直走区間の始端(コンベヤ後
端)から終端(コンベヤ前端)の手前までを左右のコン
ベヤ側板(90)の延出部(90a)によって下側から
支持することにより、左右の揺動リンク(103)によ
って直前のコンベヤローラ(96)に回動変移自在に支
持したコンベヤローラ(96a)が延出部(90a)が
無い非搬送側直走区間の終端部に移動すると、そのコン
ベヤローラ(96a)がその直前のコンベヤローラ(9
6)の真下に吊下がる状態に回動変移し、その直後のコ
ンベヤローラ(96)との隙間を拡大するように構成し
ている。左右のコンベヤチェン(95)に回動変移自在
に支持するコンベヤローラ(96a)を設ける本数は適
宜選択することができる。1本だけ設ける場合には、搬
送側直走区間のコンベヤローラ(96)の隙間から抜落
ちて非搬送側直走区間のコンベヤローラ(96)の隙間
を抜落ちずに前側の回行部内側に溜まる小石等の排出
を、選別コンベヤ(20)の1回転当たり1回行い、2
本等間隔に設ける場合には選別コンベヤ(20)の2分
の1回転当たり1回行い、3本等間隔に設ける場合には
選別コンベヤ(20)の3分の1回転当たり1回行い、
n本等間隔に設ける場合には選別コンベヤ(20)のm
分の1回転当たり1回行うようになる(n=m)。詰ま
り防止機構によって選別コンベヤ(20)の各コンベヤ
軸(92)(93)及び各スプロケット(94)及び各
コンベヤチェン(95)を小石等の噛込みによって耐久
性を著しく低下させるのを防止するようになっている。
詰まり防止機構によって選別コンベヤ(20)の前端部
から下方に排出される小石等は小玉抜コンベヤ(23)
で濾過されたものと同様に前部左右受箱(19)に落と
されて収集されるようになっている。選別コンベヤ(2
0)の非搬送側直走区間の終端の手前から前側の回行部
の下側を経て小玉抜コンベヤ(23)の後部の下側まで
のコンベヤ側板(90)を下方に膨出する左右の膨出部
(104)を設け、膨出部(104)で延出部(90
a)を他の部分より下側に設けることによって、揺動リ
ンク(103)によって直前のコンベヤローラ(96)
に回動変移自在に支持したコンベヤローラ(96a)を
非搬送側直走区間の終端部の手前から前側の回行部の前
端で直前のコンベヤローラ(96)の真下に吊下がる状
態に回動変移できるようにしている。The jam prevention mechanism swings the right and left ends of the roller shaft (97a) of a certain conveyor roller (96a) to the right and left ends of the roller shaft (97) of the immediately preceding conveyor roller (96). The link (103) supports the roller so as to be freely rotatable and movable, and the conveyor rollers (96) (96).
The left and right ends of a) are supported from below by the extending portions (90a) of the left and right conveyor side plates (90) from the beginning (the rear end of the conveyor) to just before the end (the front end of the conveyor) of the non-transport-side straight running section. As a result, the conveyor roller (96a) supported by the right and left swing links (103) on the immediately preceding conveyor roller (96) so as to be rotatable and displaceable is provided at the end of the non-transport-side straight running section without the extension (90a). , The conveyor roller (96a) is moved by the immediately preceding conveyor roller (9).
It is configured to rotate and move to a state of being suspended just below 6), and to enlarge the gap with the conveyor roller (96) immediately after that. The number of the conveyor rollers (96a) supported on the left and right conveyor chains (95) so as to be rotatable and displaceable can be appropriately selected. In the case where only one roller is provided, the inner side of the front revolving portion does not fall out of the gap of the conveyor roller (96) in the non-transport side straight running section without falling out of the gap of the conveyor roller (96) in the straight section of the transport side. The pebbles that accumulate in the stack are discharged once per rotation of the sorting conveyor (20).
When provided at equal intervals, this operation is performed once per one-half rotation of the sorting conveyor (20), and when provided at three equal intervals, it is performed once per one-third rotation of the sorting conveyor (20).
In the case of providing n pieces at equal intervals, m of the sorting conveyor (20)
It is performed once per one-minute rotation (n = m). The clogging prevention mechanism prevents the conveyor shafts (92) and (93) and the sprockets (94) and the conveyor chains (95) of the sorting conveyor (20) from significantly reducing durability due to bite of pebbles or the like. It has become.
Pebbles and the like discharged downward from the front end of the sorting conveyor (20) by the clogging prevention mechanism are removed from the small ball conveyor (23).
In the same manner as those filtered in the above, they are dropped and collected in the front left and right receiving boxes (19). Sorting conveyor (2
0) The left and right sides of the conveyor side plate (90) bulging downward from just before the end of the non-transport side straight running section to below the rear part of the small ball conveyor (23) through the lower side of the front circulating section. A bulge (104) is provided, and the bulge (104) is used to extend the bulge (90).
By providing a) below the other parts, the swinging link (103) allows the immediately preceding conveyor roller (96)
The conveyor roller (96a), which is rotatably and movably supported, is suspended from just before the end of the non-transport-side straight running section to just below the immediately preceding conveyor roller (96) at the front end of the front traveling section. I can make the transition.
【0033】さらに、図16及び図17にも示す如く、
選別コンベヤ(20)のコンベヤローラ(96)(96
a)を搬送側直走区間の所定区間でのみ左右に傾動(ロ
ーリング)させるローリング機構を設けるもので、その
ローリング機構は、コンベヤローラ(96)(96a)
の左右端部を搬送側直走区間でこの前端から後端に亘っ
て下側から支持する縦杆である左右のコンベヤレール
(105)を設け、その左右のコンベヤレール(10
5)を前・中・後の三つに分割し、左右の前部コンベヤ
レール(106)と左右の後部コンベヤレール(10
7)を左右のコンベヤ側板(90)にそれを一体連結し
ている前後の横連結フレーム(108)を介して固定
し、また左右の中間コンベヤレール(109)の下側で
左右のコンベヤ側板(90)間に2組の平行軸(110
a)(110b)・(111a)(111b)を回転自
在に横架し、1組の平行軸(110a)(110b)の
左端部から一体延出する前後一対の平行リンク(112
a)(112b)を左側の中間コンベヤレール(10
9)に連結する一方、残り1組の平行軸(111a)
(111b)の右端部から一体延出する前後一対の平行
リンク(113a)(113b)を右側の中間コンベヤ
レール(109)に連結し、左右の中間コンベヤレール
(109)を左右独立して上下動自在にコンベヤ側板
(90)に支持させ、さらに左側の平行リンク(112
a)(112b)を一体延出した1組の平行軸(110
a)(110b)のうち後側の軸(110b)の右端部
を右側のコンベヤ側板(90)の外側に突出させ、その
突出端に操作レバー(114)を取付けると共に、その
操作レバー(114)を挿通させて各操作位置に係止さ
せるレバー溝(115)を有するレバー係止板(11
6)を右側のコンベヤ側板(90)に取付ける一方、右
側の平行リンク(113a)(113b)を一体延出し
た1組の平行軸(111a)(111b)のうち後側の
軸(111b)の左端部を左側のコンベヤ側板(90)
の外側に突出させ、その突出端に操作レバー(117)
を取付けると共に、その操作レバー(117)を挿通さ
せて各操作位置に係止させるレバー溝(118)を有す
るレバー係止板(119)を左側のコンベヤ側板(9
0)に取付けている。Further, as shown in FIGS. 16 and 17,
Conveyor rollers (96) (96) of the sorting conveyor (20)
a) providing a rolling mechanism for tilting (rolling) a) right and left only in a predetermined section of the straight section on the transport side, and the rolling mechanism includes conveyor rollers (96) and (96a).
Left and right conveyor rails (105), which are vertical rods, which support the left and right ends of the right and left ends from below in the transport-side straight running section from the front end to the rear end.
5) is divided into three parts: front, middle and rear, and the left and right front conveyor rails (106) and the left and right rear conveyor rails (10)
7) is fixed to the left and right conveyor side plates (90) via the front and rear horizontal connecting frames (108) integrally connecting them, and the left and right conveyor side plates (109) are positioned below the left and right intermediate conveyor rails (109). 90) between two sets of parallel axes (110
a) A pair of front and rear parallel links (112) extending horizontally from (110b) and (111a) (111b) so as to freely rotate and extending integrally from the left ends of a pair of parallel shafts (110a) (110b).
a) (112b) to the left intermediate conveyor rail (10
9) while the other set of parallel axes (111a)
A pair of front and rear parallel links (113a) and (113b) extending integrally from the right end of (111b) are connected to the right intermediate conveyor rail (109), and the left and right intermediate conveyor rails (109) are vertically moved independently. Freely supported on the conveyor side plate (90), and further on the left parallel link (112).
a) A set of parallel shafts (110
a) The right end of the rear shaft (110b) of (110b) protrudes outside the right conveyor side plate (90), and the operation lever (114) is attached to the protruding end, and the operation lever (114) Locking plate (11) having a lever groove (115) for inserting the
6) is attached to the right conveyor side plate (90), while the rear parallel shaft (111b) of the set of parallel shafts (111a) and (111b) integrally extending the right parallel link (113a) (113b). The left end is the left conveyor side plate (90)
And the operating lever (117)
And a lever locking plate (119) having a lever groove (118) for inserting the operation lever (117) therethrough and locking it at each operation position.
0).
【0034】そして、左右の操作レバー(117)(1
14)を各レバー溝(118)(115)の上端側の下
降操作位置に保持し、左右の平行リンク(112a)
(112b)・(113a)(113b)を倒伏させ、
左右の中間コンベヤレール(109)をその下側の2組
の平行軸(110a)(110b)(111a)(11
1b)に当接支持させることにより、左右の中間コンベ
ヤレール(109)をその上縁が前後のコンベヤレール
(106)(107)の上縁と一直線状になる高さに位
置保持し、選別コンベヤ(20)のコンベヤローラ(9
6)(96a)をその搬送側直走区間の始端から終端ま
での全区間に亘って傾動させずに移動させ、選別コンベ
ヤ(20)の前端から後端に亘って平坦な搬送面を形成
し、また左右の操作レバー(117)(114)を各レ
バー溝(118)(115)の下端側の上昇操作位置に
保持し、左右の平行リンク(112a)(112b)・
(113a)(113b)を起立させ、左右の中間コン
ベヤレール(109)をその下側の2組の平行軸(11
0a)(110b)(111a)(111b)から同じ
高さだけ持上げ支持させることにより、左右の中間コン
ベヤレール(109)をその上縁が前後のコンベヤレー
ル(106)(107)の上縁より高くなる高さに位置
保持し、選別コンベヤ(20)のコンベヤローラ(9
6)(96a)をその搬送側直走区間のうち、コンベヤ
ローラ(96)(96a)が中間コンベヤレール(10
9)上を移動する区間だけ、コンベヤローラ(96)
(96a)が前後のコンベヤレール(106)(10
7)上を移動する区間よりも、高い位置で、且つ、傾動
させずに移動させ、選別コンベヤ(20)の前端から後
端に中間部のみが前部と後部より高くなる搬送面を形成
し、また図16の(a)及び図17の(a)に示すよう
に、右側の操作レバー(114)をレバー溝(115)
の下端側の上昇操作位置に保持する一方、左側の操作レ
バー(117)をレバー溝(118)の上端側の下降操
作位置に保持し、左側の平行リンク(112a)(11
2b)を起立させる一方、右側の平行リンク(113
a)(113b)を倒伏させ、左側の中間コンベヤレー
ル(109)をその下側の2組の平行軸(110a)
(110b)(111a)(111b)から持上げ支持
させる一方、右側の中間コンベヤレール(109)をそ
の下側の2組の平行軸(110a)(110b)(11
1a)(111b)に当接支持させることにより、左側
の中間コンベヤレール(109)をその上縁が前後のコ
ンベヤレール(106)(107)の上縁より高くなる
高さに位置保持する一方、右側の中間コンベヤレール
(109)をその上縁が前後のコンベヤレール(10
6)(107)の上縁と一直線状になる高さに位置保持
し、選別コンベヤ(20)のコンベヤローラ(96)
(96a)をその搬送側直走区間のうち、コンベヤロー
ラ(96)(96a)が中間コンベヤレール(109)
上を移動する区間だけ、コンベヤローラ(96)(96
a)の左端部が右端部より高くなる傾斜姿勢で移動さ
せ、選別コンベヤ(20)の前端から後端に中間部のみ
が左上がりの傾斜面となる搬送面を形成し、また図16
の(b)及び図17の(b)に示すように、左側の操作
レバー(117)をレバー溝(118)の下端側の上昇
操作位置に保持する一方、右側の操作レバー(114)
をレバー溝(115)の上端側の下降操作位置に保持
し、右側の平行リンク(113a)(113b)を起立
させる一方、左側の平行リンク(112a)(112
b)を倒伏させ、右側の中間コンベヤレール(109)
をその下側の2組の平行軸(110a)(110b)
(111a)(111b)から持上げ支持させる一方、
左側の中間コンベヤレール(109)をその下側の2組
の平行軸(110a)(110b)(111a)(11
1b)に当接支持させることにより、右側の中間コンベ
ヤレール(109)をその上縁が前後のコンベヤレール
(106)(107)の上縁より高くなる高さに位置保
持する一方、左側の中間コンベヤレール(109)をそ
の上縁が前後のコンベヤレール(106)(107)の
上縁と一直線状になる高さに位置保持し、選別コンベヤ
(20)のコンベヤローラ(96)(96a)をその搬
送側直走区間のうち、コンベヤローラ(96)(96
a)が中間コンベヤレール(109)上を移動する区間
だけ、コンベヤローラ(96)(96a)の右端部が左
端部より高くなる傾斜姿勢で移動させ、選別コンベヤ
(20)の前端から後端に中間部のみが右上がりの傾斜
面となる搬送面を形成するものである。Then, the left and right operation levers (117) (1)
14) is held at the lowering operation position on the upper end side of each lever groove (118) (115), and the left and right parallel links (112a) are held.
(112b) ・ (113a) (113b)
The left and right intermediate conveyor rails (109) are connected to two lower parallel shafts (110a) (110b) (111a) (11).
1b) to hold the left and right intermediate conveyor rails (109) at a height where their upper edges are aligned with the upper edges of the front and rear conveyor rails (106) and (107). (20) Conveyor roller (9
6) The (96a) is moved without tilting over the entire section from the start end to the end of the transfer-side straight running section to form a flat transfer surface from the front end to the rear end of the sorting conveyor (20). Further, the left and right operation levers (117) and (114) are held at the ascending operation positions on the lower ends of the lever grooves (118) and (115), and the left and right parallel links (112a) (112b).
(113a) and (113b) are erected, and the left and right intermediate conveyor rails (109) are set on the lower two parallel shafts (11).
0a), (110b), (111a), and (111b) are lifted and supported by the same height, so that the upper edges of the left and right intermediate conveyor rails (109) are higher than the upper edges of the front and rear conveyor rails (106) and (107). The conveyor roller (9) of the sorting conveyor (20).
6) The conveyor rollers (96) and (96a) move the intermediate conveyor rail (10) in the straight running section on the transport side.
9) Conveyor roller (96) only in the section moving above
(96a) is the front and rear conveyor rails (106) (10)
7) The sorting conveyor (20) is moved at a higher position than the section moving above and without tilting to form a conveying surface from the front end to the rear end of the sorting conveyor (20) in which only the middle part is higher than the front part and the rear part. As shown in FIGS. 16 (a) and 17 (a), the right operation lever (114) is connected to the lever groove (115).
, While holding the left operating lever (117) at the lower operating position on the upper end side of the lever groove (118), and holding the left parallel link (112a) (11).
2b) while the right side parallel link (113)
a) The (113b) is laid down and the left intermediate conveyor rail (109) is lowered to its two sets of parallel axes (110a).
(110b) While lifting and supporting from the (111a) and (111b), the right intermediate conveyor rail (109) is provided with two lower parallel shafts (110a), (110b) and (11).
1a) By contacting and supporting the (111b), the left intermediate conveyor rail (109) is held at a position where the upper edge thereof is higher than the upper edges of the front and rear conveyor rails (106) (107), The right intermediate conveyor rail (109) is connected to the front and rear conveyor rails (10
6) Conveyor rollers (96) of the sorting conveyor (20), held at a height that is in line with the upper edge of (107).
Conveyor rollers (96) and (96a) of the intermediate conveyor rail (109)
The conveyor roller (96) (96
a) is moved in an inclined posture in which the left end is higher than the right end to form a transfer surface from the front end to the rear end of the sorting conveyor (20) in which only the middle part is an inclined surface rising to the left, and FIG.
17 (b) and FIG. 17 (b), the left operating lever (117) is held at the raised operating position on the lower end side of the lever groove (118), while the right operating lever (114) is held.
Is held at the lowering operation position on the upper end side of the lever groove (115), and the right parallel links (113a) (113b) are raised while the left parallel links (112a) (112)
b) is laid down and the right intermediate conveyor rail (109)
Is the lower two parallel axes (110a) (110b)
(111a) While lifting and supporting from (111b),
The left intermediate conveyor rail (109) is connected to the lower two parallel axes (110a) (110b) (111a) (11).
1b), the right intermediate conveyor rail (109) is held at a position where the upper edge thereof is higher than the upper edges of the front and rear conveyor rails (106) (107), while the left intermediate conveyor rail (109) is held at the left intermediate position. The conveyor rail (109) is held at a height where its upper edge is aligned with the upper edges of the front and rear conveyor rails (106) and (107), and the conveyor rollers (96) and (96a) of the sorting conveyor (20) are moved. Conveyor rollers (96) (96)
Only during the section where a) moves on the intermediate conveyor rail (109), the right ends of the conveyor rollers (96) (96a) are moved in an inclined posture in which they are higher than the left ends, and the sorting conveyor (20) is moved from the front end to the rear end. Only the intermediate portion forms a transport surface that is an inclined surface that rises to the right.
【0035】また、中間コンベヤレール(109)は台
形状に形成され、また前部コンベヤレール(106)と
後部コンベヤレール(107)より少し内側又は外側に
位置ズレさせた位置に配置されると共に、前部が前部コ
ンベヤレール(106)の後部と側面視でラップし、且
つ、後部が後部コンベヤレール(107)の前部と側面
視でラップする長さに形成され、コンベヤローラ(9
6)(96a)を前部コンベヤレール(106)から中
間コンベヤレール(109)にその前端の後上がり傾斜
縁(109a)を介してスムーズに移動させ、コンベヤ
ローラ(96)(96a)を後部コンベヤレール(10
7)に中間コンベヤレール(109)からその後端の後
下がり傾斜縁(109b)を介してスムーズに移動させ
るように構成している。The intermediate conveyor rail (109) is formed in a trapezoidal shape, and is disposed at a position slightly shifted inward or outward from the front conveyor rail (106) and the rear conveyor rail (107). The conveyor roller (9) is formed to have a length such that a front portion wraps with a rear portion of the front conveyor rail (106) in a side view and a rear portion wraps with a front portion of a rear conveyor rail (107) in a side view.
6) The (96a) is smoothly moved from the front conveyor rail (106) to the intermediate conveyor rail (109) via the rear ascending edge (109a) of its front end, and the conveyor rollers (96) (96a) are moved to the rear conveyor. Rail (10
7) It is configured to move smoothly from the intermediate conveyor rail (109) via the rear lower inclined edge (109b) at the rear end.
【0036】選別コンベヤ(20)の左右外側部の放出
シュート(21)の外側部に選別作業者が立ち、そこか
ら選別コンベヤ(1)上に手を伸ばし、選別コンベヤ
(20)上から傷付玉及び腐敗玉等の不良品を除去し、
その不良品を放出シュート(21)の開放上面である不
良品投入口(21a)に入れて行くもので、コンベヤロ
ーラ(96)(96a)は、少なくとも選別コンベヤ
(20)の外側部に設ける不良品投入口(21a)に相
当する搬送側直走区間、選別作業者の作業範囲に相当す
る搬送側直走区間で傾動させ、適正に選別作業を行える
ように構成している。The sorting operator stands on the outer side of the discharge chute (21) on the left and right outer sides of the sorting conveyor (20), reaches out onto the sorting conveyor (1) from there, and is scratched from above the sorting conveyor (20). Remove defective products such as balls and rot balls,
The defective product is introduced into the defective product inlet (21a), which is the open top surface of the discharge chute (21). The conveyor rollers (96) and (96a) are provided at least on the outer side of the sorting conveyor (20). The tilting is performed in the transport-side straight running section corresponding to the non-defective product input port (21a) and the transport-side straight running section corresponding to the work range of the sorting operator, so that the sorting operation can be performed properly.
【0037】通常、選別コンベヤ(20)の左右外側に
搭乗する二人の選別作業者により、選別コンベヤ(2
0)上から傷付き玉及び腐敗玉等が除去されるのである
が、傾斜地等で玉葱が選別コンベヤ(20)の一側に片
寄って搬送される場合、選別作業が行い難くなり、また
平坦地等で玉葱が選別コンベヤ(20)の一側に片寄ら
ずに搬送される場合、一人の選別作業者では選別作業が
行い難くなるが、上記から明らかなように、圃場から拾
上げた玉葱をコンテナ(16)に積込む選別コンベヤ
(20)を設けた玉葱収穫機において、選別コンベヤ
(20)の搬送面を形成する多数の横杆であるコンベヤ
ローラ(96)(96a)を搬送側直走区間の所定区間
でのみ左右に傾動自在に構成したもので、二人の選別作
業者により選別作業を行っている場合で、傾斜地等で玉
葱が選別コンベヤ(20)の一側に片寄って搬送され、
選別作業が行い難くなる場合には、搬送側直走区間の所
定区間でのみコンベヤローラ(96)(96a)を圃場
の傾斜と反対に傾動させて水平姿勢に戻し、また一人の
選別作業者により選別作業を行っている場合で、平坦地
等で玉葱が選別コンベヤ(20)の一側に片寄らず、選
別作業が行い難くなる場合には、搬送側直走区間の所定
区間でのみコンベヤローラ(96)(96a)を選別作
業者側か低くなるように傾動させて傾斜姿勢にすること
により、選別作業が行い易くなり、また選別コンベヤ
(20)全体を左右に傾動させないから、選別コンベヤ
(20)を機台(1)に固定支持して振動防止及び支持
構造の簡素化等を容易に図ることができると共に、コン
ベヤローラ(96)(96a)を搬送側直走区間の中間
の所定区間でのみ左右に傾動させることにより、選別コ
ンベヤ(20)の玉葱受入れ及び放出を一定姿勢で適正
に行えるものである。また選別コンベヤ(20)のコン
ベヤ側板(90)を機台(1)に固定し、搬送側直走区
間を移動するコンベヤローラ(96)(96a)の左右
端部を支持する左右の縦杆である左右のコンベヤレール
(105)を複数に分割し、コンベヤローラ(96)
(96a)を左右に傾動させる区間以外の左右のコンベ
ヤレール(106)(107)をコンベヤ側板(90)
に固定し、コンベヤローラ(96)(96a)を左右に
傾動させる区間のコンベヤレール(109)をコンベヤ
側板(90)に左右独立して上下動自在に支持するもの
で、新規な選別コンベヤ(20)を既存構造を有効利用
して簡単に安価に得られ、また選別コンベヤ(20)の
玉葱搬送高さが選別作業者に対し低い場合には、上下動
自在な左右のコンベヤレール(109)を左右同時に上
げ、選別コンベヤ(20)の玉葱搬送高さを高くするこ
とにより、楽な姿勢で選別作業を行えるものである。ま
たコンベヤ側板(90)に左右独立して上下動自在に支
持したコンベヤレール(109)のうち、左側のコンベ
ヤレール(109)を操作する操作部材である操作レバ
ー(114)を選別コンベヤ(20)の右外側に設け、
右側のコンベヤレール(109)を操作する操作部材で
ある操作レバー(117)を選別コンベヤ(20)の左
外側に設けるもので、コンベヤローラ(96)(96
a)の傾動を操作者側と反対側のコンベヤローラ(9
6)(96a)端部を持上げて行うから、搬送側直走区
間の所定区間でのみコンベヤローラ(96)(96a)
を左右に傾動させることができるものである。また選別
コンベヤ(20)を後上がり傾斜状態に設けるもので、
圃場の端等では旋回の轍等で地面が掘下げられているた
め、収穫済みの畦から未収穫の畦に回行移動して作業を
開始するときの機体姿勢が後下がりとなる場合があり、
この場合でもコンテナ(16)底面を地面に接触させな
い高さにコンテナ(16)を搭載できると共に、選別コ
ンベヤ(20)が後下がりとなり、玉葱が選別コンベヤ
(20)上を転がり選別を行えなくなるのを防止できる
ものである。Normally, the sorting conveyor (2) is operated by two sorting operators on the left and right outer sides of the sorting conveyor (20).
0) Damaged balls, rotten balls, etc. are removed from the top. However, when onions are conveyed to one side of the sorting conveyor (20) on an inclined ground or the like, the sorting work becomes difficult to perform, and the flat grounds are difficult to perform. If the onion is conveyed without biasing to one side of the sorting conveyor (20), etc., it is difficult for one sorting operator to perform the sorting operation. However, as apparent from the above, the onion picked up from the field is stored in the container. In the onion harvesting machine provided with the sorting conveyor (20) to be loaded in (16), the conveyor rollers (96) (96a), which are a large number of horizontal rods forming the transport surface of the sorting conveyor (20), are transported in a straight section on the transport side. In the case where the sorting operation is performed by two sorting workers, the onion is conveyed to one side of the sorting conveyor (20) on a slope or the like,
If the sorting operation becomes difficult, the conveyor rollers (96) and (96a) are tilted in the opposite direction to the inclination of the field to return to the horizontal position only in a predetermined section of the transport-side straight running section. When the sorting operation is performed and the onion does not shift to one side of the sorting conveyor (20) on a flat ground or the like and the sorting operation becomes difficult to perform, the conveyor roller (only in a predetermined section of the transport side straight running section) is used. 96) By inclining the (96a) so that it is lower than the sorting operator side and in an inclined position, the sorting operation is facilitated, and the entire sorting conveyor (20) is not tilted left and right. ) Is fixedly supported on the machine base (1) to prevent vibrations and simplify the support structure, etc., and the conveyor rollers (96) (96a) can be easily moved in a predetermined section in the middle of the transport-side straight running section. Only left By tilting the one in which properly perform the onion acceptance and release of sorting conveyor (20) at a constant posture. Also, the conveyor side plate (90) of the sorting conveyor (20) is fixed to the machine base (1), and the right and left vertical rods supporting the left and right ends of the conveyor rollers (96) (96a) moving in the straight running section on the transport side. A left and right conveyor rail (105) is divided into a plurality of parts and a conveyor roller (96)
The left and right conveyor rails (106) and (107) other than the section where the (96a) is tilted left and right are connected to the conveyor side plate (90).
, And a conveyor rail (109) in a section in which the conveyor rollers (96) (96a) are tilted left and right is supported on the conveyor side plate (90) so as to be vertically movable independently of the left and right sides. ) Can be easily and inexpensively obtained by effectively utilizing the existing structure, and when the onion conveying height of the sorting conveyor (20) is lower than the sorting operator, the left and right conveyor rails (109) that can move up and down are provided. By simultaneously raising the left and right sides and increasing the onion conveying height of the sorting conveyor (20), the sorting operation can be performed in an easy posture. Also, of the conveyor rails (109) supported on the conveyor side plate (90) so as to be vertically movable independently of each other, an operation lever (114) serving as an operation member for operating the left conveyor rail (109) is selected by the sorting conveyor (20). On the right outside of
An operation lever (117), which is an operation member for operating the right conveyor rail (109), is provided on the left outer side of the sorting conveyor (20), and includes a conveyor roller (96) (96).
The tilt of (a) is changed to the conveyor roller (9) on the side opposite to the operator side.
6) (96a) Since the end portion is lifted, the conveyor rollers (96) and (96a) are provided only in a predetermined section of the transport-side straight running section.
Can be tilted left and right. In addition, the sorting conveyor (20) is provided in an upwardly inclined state.
At the edge of the field, the ground has been dug down due to turning tracks, etc., so the aircraft attitude when moving around from a harvested ridge to an unharvested ridge and starting work may fall backwards,
Even in this case, the container (16) can be mounted at a height such that the bottom surface of the container (16) does not contact the ground, and the sorting conveyor (20) falls backward, so that the onion cannot roll on the sorting conveyor (20) to perform sorting. Can be prevented.
【0038】[0038]
【発明の効果】以上実施例から明らかなように本発明の
玉葱収穫機は、圃場から拾上げた玉葱をコンテナ(1
6)に積込む選別コンベヤ(20)を設けた玉葱収穫機
において、選別コンベヤ(20)の搬送面を形成する多
数の横杆であるコンベヤローラ(96)(96a)を搬
送側直走区間の所定区間でのみ左右に傾動自在に構成し
たもので、二人の選別作業者により選別作業を行ってい
る場合で、傾斜地等で玉葱が選別コンベヤ(20)の一
側に片寄って搬送され、選別作業が行い難くなる場合に
は、搬送側直走区間の所定区間でのみコンベヤローラ
(96)(96a)を圃場の傾斜と反対に傾動させて水
平姿勢に戻し、また一人の選別作業者により選別作業を
行っている場合で、平坦地等で玉葱が選別コンベヤ(2
0)の一側に片寄らず、選別作業が行い難くなる場合に
は、搬送側直走区間の所定区間でのみコンベヤローラ
(96)(96a)を選別作業者側か低くなるように傾
動させて傾斜姿勢にすることにより、選別作業が行い易
くなり、また選別コンベヤ(20)全体を左右に傾動さ
せないから、選別コンベヤ(20)を機台(1)に固定
支持して振動防止及び支持構造の簡素化等を容易に図る
ことができると共に、コンベヤローラ(96)(96
a)を搬送側直走区間の中間の所定区間でのみ左右に傾
動させることにより、選別コンベヤ(20)の玉葱受入
れ及び放出を一定姿勢で適正に行えるものである。As is clear from the above embodiments, the onion harvester of the present invention uses onion picked up from a field in a container (1).
In the onion harvesting machine provided with the sorting conveyor (20) to be loaded in 6), the conveyor rollers (96) (96a), which are a large number of horizontal rods forming the transport surface of the sorting conveyor (20), are transported in the transport-side straight running section. It is constructed so that it can be tilted to the left and right only in a predetermined section, and when two sorting workers are performing sorting work, onions are conveyed to one side of the sorting conveyor (20) on a slope or the like, and sorted. If the work becomes difficult, the conveyor rollers (96) and (96a) are returned to the horizontal position by tilting the conveyor rollers (96) and (96a) in the opposite direction to the inclination of the field only in a predetermined section of the transport-side straight running section, and the sorting is performed by one sorting operator. During the operation, onions are sorted on flat ground etc. (2
0) When the sorting operation is difficult to be performed without being biased to one side, the conveyor rollers (96) and (96a) are tilted so as to be lower than the sorting operator only in a predetermined section of the transport-side straight running section. Since the sorting operation is facilitated by adopting the inclined posture and the entire sorting conveyor (20) is not tilted to the left and right, the sorting conveyor (20) is fixedly supported on the machine base (1) to prevent vibration and support structure. Simplification and the like can be easily achieved, and the conveyor rollers (96) (96)
By tilting a) right and left only in a predetermined section in the middle of the straight section on the transport side, the sorting conveyor (20) can properly receive and release the onion in a constant posture.
【0039】また、選別コンベヤ(20)のコンベヤ側
板(90)を機台(1)に固定し、搬送側直走区間を移
動するコンベヤローラ(96)(96a)の左右端部を
支持する左右の縦杆である左右のコンベヤレール(10
5)を複数に分割し、コンベヤローラ(96)(96
a)を左右に傾動させる区間以外の左右のコンベヤレー
ル(106)(107)をコンベヤ側板(90)に固定
し、コンベヤローラ(96)(96a)を左右に傾動さ
せる区間のコンベヤレール(109)をコンベヤ側板
(90)に左右独立して上下動自在に支持するもので、
新規な選別コンベヤ(20)を既存構造を有効利用して
簡単に安価に得られ、また選別コンベヤ(20)の玉葱
搬送高さが選別作業者に対し低い場合には、上下動自在
な左右のコンベヤレール(109)を左右同時に上げ、
選別コンベヤ(20)の玉葱搬送高さを高くすることに
より、楽な姿勢で選別作業を行えるものである。Further, the conveyor side plate (90) of the sorting conveyor (20) is fixed to the machine base (1), and supports the left and right ends of the conveyor rollers (96) (96a) moving in the straight running section on the transport side. Left and right conveyor rails (10
5) is divided into a plurality of parts, and the conveyor rollers (96) (96)
Conveyor rails (109) in a section where the left and right conveyor rails (106) and (107) are fixed to the conveyor side plate (90) and the conveyor rollers (96) and (96a) are tilted left and right except for the section where (a) is tilted left and right. Is supported on the conveyor side plate (90) so that it can move up and down independently of the left and right.
A new sorting conveyor (20) can be easily and inexpensively obtained by effectively utilizing the existing structure, and when the onion conveying height of the sorting conveyor (20) is lower than the sorting operator, the left and right movable vertically. Raise the conveyor rail (109) left and right simultaneously,
By increasing the onion conveyance height of the sorting conveyor (20), the sorting operation can be performed in an easy posture.
【0040】また、コンベヤ側板(90)に左右独立し
て上下動自在に支持したコンベヤレール(109)のう
ち、左側のコンベヤレール(109)を操作する操作部
材である操作レバー(114)を選別コンベヤ(20)
の右外側に設け、右側のコンベヤレール(109)を操
作する操作部材である操作レバー(117)を選別コン
ベヤ(20)の左外側に設けるもので、コンベヤローラ
(96)(96a)の傾動を操作者側と反対側のコンベ
ヤローラ(96)(96a)端部を持上げて行うから、
搬送側直走区間の所定区間でのみコンベヤローラ(9
6)(96a)を左右に傾動させることができるもので
ある。An operation lever (114), which is an operation member for operating the left conveyor rail (109), is selected from among the conveyor rails (109) supported on the conveyor side plate (90) so as to be vertically movable independently of each other. Conveyor (20)
The operation lever (117), which is an operation member for operating the right conveyor rail (109), is provided on the left outside of the sorting conveyor (20), and tilts the conveyor rollers (96) (96a). Since the end of the conveyor roller (96) (96a) opposite to the operator side is lifted,
Conveyor rollers (9
6) (96a) can be tilted left and right.
【0041】また、選別コンベヤ(20)を後上がり傾
斜状態に設けるもので、圃場の端等では旋回の轍等で地
面が掘下げられているため、収穫済みの畦から未収穫の
畦に回行移動して作業を開始するときの機体姿勢が後下
がりとなる場合があり、この場合でもコンテナ(16)
底面を地面に接触させない高さにコンテナ(16)を搭
載できると共に、選別コンベヤ(20)が後下がりとな
り、玉葱が選別コンベヤ(20)上を転がり選別を行え
なくなるのを防止できるものである。Further, the sorting conveyor (20) is provided in an upwardly inclined state, and the ground is dug down by a turning rut or the like at an edge of a field, so that the sorting conveyor (20) moves from a harvested ridge to an unharvested ridge. In some cases, the attitude of the aircraft when moving and starting work may fall backward, and even in this case, the container (16)
The container (16) can be mounted at a height such that the bottom surface does not contact the ground, and the sorting conveyor (20) can be prevented from falling backward, so that the onion cannot be rolled on the sorting conveyor (20) and cannot be sorted.
【0042】また、選別コンベヤ(20)の外側部に設
ける不良品投入口(21a)に相当する搬送側直走区間
でコンベヤローラ(96)(96a)を左右に傾動させ
るもので、コンベヤローラ(96)(96a)を左右に
傾動させる区間の外側部で適正に選別作業を行えるもの
である。The conveyor rollers (96) (96a) are tilted to the left and right in a straight running section on the transport side corresponding to the defective product inlet (21a) provided on the outer side of the sorting conveyor (20). 96) The sorting operation can be properly performed outside the section where (96a) is tilted right and left.
【0043】また、選別コンベヤ(20)の外側部立つ
選別作業者の作業範囲に相当する搬送側直走区間でコン
ベヤローラ(96)(96a)を左右に傾動させるもの
で、コンベヤローラ(96)(96a)を左右に傾動さ
せる区間の外側部で適正に選別作業を行えるものであ
る。Further, the conveyor rollers (96) and (96a) are tilted left and right in the straight running section on the transport side corresponding to the working range of the sorting operator standing outside the sorting conveyor (20). (96a) can be properly sorted on the outer side of the section where the (96a) is tilted left and right.
【図面の簡単な説明】[Brief description of the drawings]
【図1】 玉葱収穫機全体の側面図Fig. 1 Side view of the whole onion harvester
【図2】 玉葱収穫機全体の概略平面図FIG. 2 is a schematic plan view of the entire onion harvester.
【図3】 玉葱収穫機の作業説明図FIG. 3 is a diagram illustrating the operation of the onion harvester
【図4】 作業時のフォークリフトの側面図FIG. 4 is a side view of the forklift during operation.
【図5】 フォークリフトの正面図FIG. 5 is a front view of a forklift.
【図6】 コンテナ積降し時のフォークリフトの側面
図FIG. 6 is a side view of the forklift when loading and unloading containers.
【図7】 作業時のピックアップ部の側面図FIG. 7 is a side view of the pickup unit during operation.
【図8】 拾上コンベヤを設定高さに持上げた状態の
ピックアップ部の側面図FIG. 8 is a side view of the pickup unit in a state where the pickup conveyor is lifted to a set height.
【図9】 ピックアップ部の昇降用油圧回路図FIG. 9 is a hydraulic circuit diagram for elevating the pickup unit.
【図10】 ピックアップ部の昇降用電気回路図FIG. 10 is an electric circuit diagram for elevating the pickup unit.
【図11】 持上コンベヤを通常作業位置に位置保持し
た状態の機体前部の側面図FIG. 11 is a side view of the front of the machine body with the lifting conveyor being held at the normal working position.
【図12】 持上コンベヤを通常作業位置以下に下降し
た状態の機体前部の側面図FIG. 12 is a side view of the front portion of the aircraft in a state where the lifting conveyor is lowered below the normal working position.
【図13】 選別コンベヤの支持構造を示す機体後部の
側面図FIG. 13 is a side view of the rear part of the fuselage showing the support structure of the sorting conveyor.
【図14】 選別コンベヤの側断面図FIG. 14 is a side sectional view of a sorting conveyor.
【図15】 選別コンベヤの平面図FIG. 15 is a plan view of a sorting conveyor.
【図16】 選別コンベヤのコンベヤローラのローリン
グ機構の側面説明図FIG. 16 is an explanatory side view of a rolling mechanism of a conveyor roller of the sorting conveyor.
【図17】 選別コンベヤのコンベヤローラのローリン
グ機構の背面説明図FIG. 17 is an explanatory rear view of a rolling mechanism of a conveyor roller of the sorting conveyor.
(1) 機台 (16) コンテナ (20) 選別コンベヤ (90) コンベヤ側板 (96) コンベヤローラ(横杆) (105)コンベヤレール(縦杆) (106)前部コンベヤレール (107)後部コンベヤレール (109)中間コンベヤレール (114)操作レバー (117)操作レバー (1) Machine stand (16) Container (20) Sorting conveyor (90) Conveyor side plate (96) Conveyor roller (horizontal rod) (105) Conveyor rail (vertical rod) (106) Front conveyor rail (107) Rear conveyor rail (109) Intermediate conveyor rail (114) Operation lever (117) Operation lever
フロントページの続き (72)発明者 只野 克紀 北海道千歳市上長都1061番地2スター農機 株式会社内 (72)発明者 松井 修 北海道千歳市上長都1061番地2スター農機 株式会社内 Fターム(参考) 2B072 AA03 BA03 BA28 CA16 CB08 EA08 EA18 FA03 FA08 GA00 GA03 GA18 GA21 Continued on the front page (72) Inventor Katsunori Tadano Katsutoshi-shi, Hokkaido 1061, 2-star agricultural machine Co., Ltd. 2B072 AA03 BA03 BA28 CA16 CB08 EA08 EA18 FA03 FA08 GA00 GA03 GA18 GA21
Claims (6)
む選別コンベヤを設けた玉葱収穫機において、選別コン
ベヤの搬送面を形成する多数の横杆を搬送側直走区間の
所定区間でのみ左右に傾動自在に構成したことを特徴と
する玉葱収穫機。In an onion harvesting machine provided with a sorting conveyor for loading onions picked up from a field into a container, a large number of horizontal rods forming a transporting surface of the sorting conveyor are moved right and left only in a predetermined section of a transport-side straight running section. An onion harvesting machine characterized in that it can be tilted freely.
定し、搬送側直走区間を移動する横杆の左右端部を支持
する左右の縦杆を複数に分割し、横杆を左右に傾動させ
る区間以外の左右の分割縦杆をコンベヤ側板に固定し、
横杆を左右に傾動させる区間の左右の分割縦杆をコンベ
ヤ側板に左右独立して上下動自在に支持する請求項1記
載の玉葱収穫機。2. The conveyor side plate of the sorting conveyor is fixed to the machine base, and the left and right vertical rods supporting the left and right ends of the horizontal rod moving in the transport side straight running section are divided into a plurality of parts, and the horizontal rod is tilted left and right. Fix the left and right divided vertical bars other than the section to be made to the conveyor side plate,
The onion harvesting machine according to claim 1, wherein the left and right divided vertical bars of the section in which the horizontal bar is tilted left and right are supported on the conveyor side plate so as to be vertically movable independently of the left and right sides.
に支持した左右の分割縦杆のうち、左側の分割縦杆を操
作する操作部材を選別コンベヤの右外側に設け、右側の
分割縦杆を操作する操作部材を選別コンベヤの左外側に
設ける請求項3記載の玉葱収穫機。3. An operation member for operating a left divided vertical rod among left and right divided vertical rods supported on a conveyor side plate so as to be vertically movable independently of each other is provided on a right outer side of a sorting conveyor, and a right divided vertical rod is provided. 4. An onion harvesting machine according to claim 3, wherein an operation member for operating is provided on the left outside of the sorting conveyor.
る請求項1又は2又は3記載の玉葱収穫機。4. The onion harvesting machine according to claim 1, wherein the sorting conveyor is provided in an upwardly inclined state.
入口に相当する搬送側直走区間で横杆を左右に傾動させ
る請求項1又は2又は3又は4記載の玉葱収穫機。5. The onion harvesting machine according to claim 1, wherein the horizontal rod is tilted left and right in a straight running section on the transport side corresponding to a defective product inlet provided on an outer side of the sorting conveyor.
作業範囲に相当する搬送側直走区間で横杆を左右に傾動
させる請求項1又は2又は3又は4記載の玉葱収穫機。6. The onion-harvesting machine according to claim 1, wherein the horizontal rod is tilted left and right in a transport-side straight running section corresponding to a work range of a sorting operator standing outside a sorting conveyor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000170003A JP2001346422A (en) | 2000-06-07 | 2000-06-07 | Onion harvester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000170003A JP2001346422A (en) | 2000-06-07 | 2000-06-07 | Onion harvester |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001346422A true JP2001346422A (en) | 2001-12-18 |
Family
ID=18672777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000170003A Pending JP2001346422A (en) | 2000-06-07 | 2000-06-07 | Onion harvester |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2001346422A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021185847A (en) * | 2020-06-01 | 2021-12-13 | 株式会社クボタ | Digging machine |
-
2000
- 2000-06-07 JP JP2000170003A patent/JP2001346422A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021185847A (en) * | 2020-06-01 | 2021-12-13 | 株式会社クボタ | Digging machine |
JP7298848B2 (en) | 2020-06-01 | 2023-06-27 | 株式会社クボタ | Excavator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4992291B2 (en) | Root crop harvesting machine | |
JP4996083B2 (en) | Vegetable harvesting machine | |
JP2007061012A5 (en) | ||
JP2001346423A (en) | Onion harvester | |
JP4996082B2 (en) | Vegetable harvesting machine | |
JP2009027967A (en) | Field crop harvester | |
JP2001346421A (en) | Onion harvester | |
JP2001346422A (en) | Onion harvester | |
JP4996751B2 (en) | Vegetable harvesting machine | |
JP5782693B2 (en) | Root crop harvesting machine | |
JP4236356B2 (en) | Onion harvester | |
JP2007061011A5 (en) | ||
JP5526739B2 (en) | Root crop harvesting machine | |
JP6681686B2 (en) | Root crop harvester | |
JP2003143922A (en) | Farm implement | |
JP2014087287A (en) | Root crop harvester | |
JP4236355B2 (en) | Onion harvester | |
JP2019004737A (en) | Riding type root crop harvesting machine | |
JP4763919B2 (en) | Combine | |
JP4996081B2 (en) | Vegetable harvesting machine | |
JP3655248B2 (en) | Combine | |
JP4392815B2 (en) | Onion harvester | |
JP3861038B2 (en) | Root crop harvesting machine | |
JP3883503B2 (en) | Harvesting machine | |
JP4236357B2 (en) | Onion harvester |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20040511 |