JP2013169179A - Root vegetable harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a root vegetable harvester capable of surely performing various operations for onions from digging up to cutting stems and leaves and a separating operation by means of a simple and compact structure.SOLUTION: A root vegetable harvester is composed by including, on a machine body supported by right and left traveling parts (2) for farm traveling, a digging up part (3) including a harrow member (3a) for digging up onions at the leading end provided by its front edge and a raking member (3b) and a conveying member (3c) vertically and arranged to be movable up and down, a pumping part (4) receiving the onions from the digging up part (3) to pull up to a higher level, and a sorting conveyance part (6) receiving onions at the backside thereof, wherein a foliar treatment part (5) which removes stems and leaves of onions is provided between the pumping part (4) and the sorting conveyance part (6), an operation part (7) and a driving power part (7a) are vertically integrally provided on a side thereof, and an forward end position of the operation part (7) is constituted within a lateral domain of the pumping part (4), enabling stable harvest resulting by cutting stems and leaves of onions with a compact composition.

Description

本発明は、圃場走行用に支持した機体に、掘起部、汲上部、選別搬送部等を備えてタマネギを収穫する根菜収穫機に関するものである。   The present invention relates to a root crop harvesting machine that includes an excavation part, a pumping upper part, a sorting and transporting part, etc., on a machine body that is supported for traveling on a farm, and harvests an onion.

特許文献１では、圃場からタマネギ等の根菜作物を掘り起こし、コンテナや収容袋に回収し、あるいは圃場に排出して載置していく根菜収穫機が示されているが、この根菜収穫機は、掘り起こし収穫をしながら茎葉部を切断することができないため、収穫後に茎葉部を取り除く際、作業者が手作業でこの茎葉部を除去する必要があるので、作業者の労力が増大する問題がある。
この問題を解消すべく、収穫した作物の茎葉部等を除去する調製装置もあり、調製装置を使えば作業者の労力が軽減されるが、その分相当な費用がかかることとなる。 Patent Document 1 discloses a root vegetable harvesting machine that digs up a root crop such as an onion from a field, collects it in a container or a storage bag, or discharges and places it on the field. Since the stalks and leaves cannot be cut while digging up and harvesting, when removing the stalks and leaves after harvesting, it is necessary for the workers to manually remove these stalks and leaves, which increases the labor of the worker. .
In order to solve this problem, there is also a preparation device that removes the foliage and the like of the harvested crop. If the preparation device is used, the labor of the operator is reduced, but a considerable amount of cost is required.

特許文献２では、傾斜配置の引抜搬送部によって圃場から作物の茎葉部を挟持して引き抜き、挟持搬送途中で茎葉部を切断して作物を回収するものが示されているが、圃場から作物を引き抜き、茎葉部を切断して回収するためには相応の長さの引抜搬送部が必要となるため、機体の前後長が長くなり、小回りが利きにくく、走行性能が低下する問題がある。また、機体が大型化すると共に、構造が複雑になるため、メンテナンス性が低下する問題がある。   Patent Document 2 discloses a method in which a foliage part of a crop is pinched and pulled out from a field by an inclined pulling and conveying part, and a crop is recovered by cutting the foliage part in the middle of the pinching and conveying. In order to extract and cut and recover the foliage part, a pulling and conveying part having an appropriate length is required. Therefore, there is a problem that the front and rear length of the airframe becomes long, the small turn is difficult to use, and the running performance is deteriorated. In addition, the size of the airframe is increased and the structure is complicated, so that there is a problem that the maintainability is lowered.

特開２０１１−１１５０６８号公報JP 2011-1105068 A 特開２００７−０４３９６８号公報JP 2007-043968 A

本発明の目的は、簡易かつコンパクトな構成で、タマネギの掘起こしからその茎葉切断処理と選別操作を確実に実施できる根菜収穫機を提供することにある。   An object of the present invention is to provide a root vegetable harvesting machine capable of reliably carrying out a cutting and sorting operation and a sorting operation of an onion from being dug up with a simple and compact configuration.

請求項１に係る発明は、圃場走行用の左右の走行部（２）によって支持した機体に、その前端部で鋤部材（３ａ）を先端に備えて昇降可能に掻込部材（３ｂ）と搬送部材（３ｃ）とを上下に配置した掘起部（３）と、該掘起部（３）からタマネギを受けて上位に引上げる汲上部（４）と、その後方でタマネギを受ける選別搬送部（６）とを備える根菜収穫機において、前記汲上部（４）と選別搬送部（６）との間にタマネギの茎葉を除去する茎葉処理部（５）を設け、該茎葉処理部（５）の側方に操縦部（７）と原動部（７ａ）とを上下に一体に設け、かつ、前記操縦部（７）の前端位置を前記汲上部（４）の側方範囲内に構成したことを特徴とする。   In the invention according to claim 1, the machine body supported by the left and right traveling parts (2) for traveling on the field is transported with the scraping member (3b) so that it can be moved up and down with a hook member (3a) at the front end at the front end. The excavation part (3) which arranged the member (3c) up and down, the upper part (4) which receives an onion from this excavation part (3) and pulls it up, and the sorting conveyance part which receives an onion behind it (6) In a root crop harvesting machine provided with (6), the foliage processing part (5) which removes the foliage of an onion is provided between the said upper part (4) and the selection conveyance part (6), This foliage processing part (5) The steering part (7) and the driving part (7a) are integrally provided on the side of the top and bottom, and the front end position of the steering part (7) is configured within the lateral range of the upper part (4). It is characterized by.

請求項２に係る発明は、請求項１に係る発明において、前記茎葉処理部（５）は、前記汲上部（４）から受けたタマネギの茎葉を巻込んで倒立姿勢で後方に搬送する左右対向の巻込搬送ローラ（５ａ）と、該左右の巻込搬送ローラ（５ａ）の搬送線上で茎葉を搬送切断する上方からの伝動構成による左右配置の回転刃（５ｂ）と、該左右の回転刃（５ｂ）の残葉を巻込み除去する左右対向の残葉巻込ローラ（５ｃ）とをこの順に配置したことを特徴とする。   The invention according to claim 2 is the invention according to claim 1, wherein the foliage treatment unit (5) is opposite to the left and right, which entrains the foliage of the onion received from the upper part (4) and conveys it backward in an inverted posture. Winding rollers (5a), left and right rotary blades (5b) arranged left and right with a transmission structure from above for conveying and cutting the foliage on the conveyance lines of the left and right winding conveyor rollers (5a), and the left and right rotary blades (5b) The remaining leaf winding roller (5c) facing left and right which winds and removes the remaining leaf is arranged in this order.

請求項３に係る発明は、請求項２に係る発明において、前記巻込搬送ローラ（５ａ）は、左右それぞれ搬送用の螺旋突条（５ｅ）を形成し、かつ、左右それぞれで前記残葉巻込ローラ（５ｃ）と共通軸線上に構成するとともに、前記両巻込搬送ローラ（５ａ）の間を前記残葉巻込ローラ（５ｃ）の隙間より狭く形成したことを特徴とする。   The invention according to claim 3 is the invention according to claim 2, wherein the wrapping conveyance roller (5a) forms a spiral ridge (5e) for conveyance on each of the left and right sides, and the remaining leaf is entangled on each of the left and right sides. It is configured on a common axis with the roller (5c), and is characterized in that the space between both the winding conveying rollers (5a) is formed narrower than the gap between the remaining leaf winding rollers (5c).

請求項４に係る発明は、請求項２または請求項３に係る発明において、前記回転刃（５ｂ）から作物を受けて前記選別搬送部（６）の上方から機体後端に案内する後部シュータ（２２）を後方展開可能に前記選別搬送部（６）の機体後端側に軸支し、該後部シュータ（２２）の側方で且つ前記選別搬送部（６）に臨んでその後側に作業用の補助座席（６ａ）を配置したことを特徴とする。   According to a fourth aspect of the present invention, in the second or third aspect of the invention, a rear shooter that receives a crop from the rotary blade (5b) and guides the crop from above the sorting and conveying section (6) to the rear end of the machine body ( 22) is pivotally supported on the rear end side of the machine body of the sorting / conveying section (6) so that it can be deployed rearward, and works on the side of the rear shooter (22) and on the rear side facing the sorting / conveying section (6). The auxiliary seat (6a) is arranged.

請求項５に係る発明は、請求項２から請求項４のいずれかに係る発明において、前記巻込搬送ローラ（５ａ）の両側端に内方に傾斜して誘導搬送する平ベルトコンベアによる誘導搬送部材（２３）を設けたことを特徴とする。   According to a fifth aspect of the present invention, in the invention according to any one of the second to fourth aspects of the present invention, guided conveyance by a flat belt conveyor that inclines and conveys inwardly on both side ends of the winding conveyance roller (5a). A member (23) is provided.

請求項６に係る発明は、請求項１から請求項５のいずれかに係る発明において、前記左右の両走行部（２）は、接地範囲（Ｌ）を前記掘起部（３）の側方に及んで構成し、かつ、前記左右の走行部（２）間に連結パイプ（１１）およびそれぞれの駆動軸を同軸に設けて前記汲上部（４）の背面側に配置すると共に、前記汲上部（４）は、前記掘起部（３）と一体に構成した上で上端部を軸支し、昇降シリンダ（１５）を介して上記連結パイプ（１１）に支持したことを特徴とする。   The invention according to Claim 6 is the invention according to any one of Claims 1 to 5, wherein the left and right traveling parts (2) have a ground contact range (L) lateral to the digging part (3). And the connecting pipe (11) and the respective drive shafts are provided coaxially between the left and right traveling parts (2) and arranged on the back side of the pumping part (4). (4) is characterized in that it is constructed integrally with the digging portion (3), and the upper end portion is pivotally supported and supported by the connecting pipe (11) via the elevating cylinder (15).

請求項７に係る発明は、請求項１から請求項６のいずれかに係る発明において、前記掻込部材（３ｂ）は、複数の弾性爪部材を等間隔に横隊配置した掻込羽根（２１）によって構成したことを特徴とする。   The invention according to claim 7 is the invention according to any one of claims 1 to 6, wherein the scraping member (3b) is a scraping blade (21) in which a plurality of elastic claw members are arranged laterally at equal intervals. It is characterized by comprising.

請求項８に係る発明は、請求項１から請求項７のいずれかに係る発明において、前記茎葉処理部（５）の下方で受けた落下物を前記操縦部側から前記走行部（２）の外側方に落下案内するダストシュータ（２４）を設け、前記茎葉処理部（５）に近接する位置までを回動範囲として上記ダストシュータ（２４）の上端を軸支し、該回動上端位置で原動部（７ａ）の始動操作を規制可能に構成したことを特徴とする。   The invention according to claim 8 is the invention according to any one of claims 1 to 7, wherein the fallen object received below the foliage treatment part (5) is transferred from the control part side to the traveling part (2). A dust shooter (24) for guiding the fall to the outside is provided, and the upper end of the dust shooter (24) is pivotally supported up to a position close to the foliage treatment section (5), and at the upper end position of the rotation. The starting operation of the prime mover (7a) can be regulated.

請求項１に係る発明により、茎葉処理部（５）の側方に操縦部（７）を設けたことにより、作業者は操縦を行いながら、茎葉処理部（５）でタマネギの茎葉が正常に除去されているかどうかを確認することができるので、確実な茎葉除去によって作業能率が向上する。また操縦部（７）の前端部が汲上部（４）の側方に位置することにより、作業者は掘起部（３）や汲上部（４）を視認しやすい位置に搭乗することができるので、作物の掘起こし搬送状況の確認や、掘り起こし高さの調節が適宜行えるため、作業能率が向上する。   According to the first aspect of the present invention, by providing the control unit (7) on the side of the foliage treatment unit (5), the onion foliage is normally in the foliage treatment unit (5) while the operator performs the operation. Since it can be confirmed whether it is removed or not, the work efficiency is improved by the reliable removal of the foliage. Further, since the front end portion of the control portion (7) is located on the side of the upper drawing portion (4), the operator can board the excavation portion (3) and the upper drawing portion (4) at a position where it can be easily seen. As a result, it is possible to check the state of digging and conveying the crop and adjusting the digging height as appropriate, so that the work efficiency is improved.

請求項２に係る発明により、請求項１に係る発明の効果に加え、左右配置の回転刃（５ｂ）を上伝動に構成したことにより、切断された茎葉片や作物に付着していた泥土を下方に落下させることができるので、落下物が伝動ケース（５ｄ）に付着して回転刃（５ｂ）の駆動を停止させることが防止されるため、茎葉処理が確実に行われ、作業能率が向上する。
また、巻込搬送ローラ（５ａ）、回転刃（５ｂ）、残葉巻込ローラ（５ｃ）の直下を何も配置しない開放空間として確保できることから、圃場に切断された茎葉片や泥土を落とすことができるので、機体に茎葉片が絡み付いたり泥土が付着したりすることが防止され、機体の掃除に要する労力が軽減される。 By the invention according to claim 2, in addition to the effect of the invention according to claim 1, the left and right rotary blades (5b) are configured in the upper transmission, so that the mud adhered to the cut foliage and crops is removed. Since it can be dropped downward, the fallen object is prevented from adhering to the transmission case (5d) and stopping the driving of the rotary blade (5b), so the foliage treatment is reliably performed and the work efficiency is improved. To do.
Moreover, since it can ensure as an open space which does not arrange | position anything under a winding conveyance roller (5a), a rotary blade (5b), and a remaining leaf winding roller (5c), it can drop the foliage and mud cut by the field. As a result, the foliage can be prevented from getting entangled and mud attached to the aircraft, reducing the labor required for cleaning the aircraft.

請求項３に係る発明により、請求項２に係る発明の効果に加え、巻込搬送ローラ（５ａ）の表面に搬送用の螺旋突条（５ｅ）を設けたことから、後方への強制搬送が可能となるので、巻込搬送ローラ（５ａ）上で作物が滞留することなく速やかに能率的に搬送される。また、汲上部（４）から作物が落下しても作物同士の衝突による損傷が防止されるので、作物の商品価値が向上する。さらに、左右対向の残葉巻込ローラ（５ｃ）同士の間を巻込搬送ローラ（５ａ）間よりも狭くしたことにより、切除された茎葉片や、回転刃（５ｂ）で切り損なった茎葉部を下方に引き込んで圃場に落下させることができるので、切断された茎葉片が選別搬送部（６）に混入することが防止され、選別精度が向上する。   According to the invention according to claim 3, in addition to the effect of the invention according to claim 2, since the spiral protrusion (5e) for conveyance is provided on the surface of the entraining conveyance roller (5a), the forced conveyance to the rear is performed. Since it becomes possible, crops are quickly and efficiently conveyed without staying on the entraining conveyance roller (5a). Further, even if the crop falls from the upper part (4), damage due to the collision between the crops is prevented, so that the commercial value of the crop is improved. Furthermore, by making the space between the left and right facing remaining leaf winding rollers (5c) narrower than between the winding conveying rollers (5a), the cut leaves and leaf portions that have been cut off by the rotary blade (5b) are removed. Since it can be pulled down and dropped on the field, the cut foliage is prevented from entering the sorting and conveying section (6), and the sorting accuracy is improved.

請求項４に係る発明により、請求項２または請求項３に係る発明の効果に加え、後部シュータ（２２）を後方展開可能に設けたことにより、作物を選別搬送部（６）経由で収容容器に回収する作業形態と、作物を圃場面に置いて行く作業形態を切り替えて使用することができるので、作業適用性が向上する。
上記の場合において、後部シュータ（２２）を選別搬送部（６）に回動自在に設けたことにより、非使用時に後部シュータ（２２）が選別搬送部（６）の搬送経路を妨害しなくなるので、作業能率が向上する。
また、後部シュータ（２２）の左右一側で且つ選別搬送部（６）に後側から臨む位置に補助座席（６ａ）を配置したことにより、選別作業者は選別搬送部（６）によって搬送される作物、及び残葉巻込ローラ（５ｃ）から排出されて後部シュータ（２２）を落下する作物の両方の選別作業を行うことができるので、作業形態を変えても選別作業を行えるので、収穫作業後の選別作業に要する時間と労力が軽減される。 According to the invention according to claim 4, in addition to the effects of the invention according to claim 2 or claim 3, the rear shooter (22) is provided so as to be capable of rearward deployment, so that the crop can be accommodated via the sorting and conveying part (6). Therefore, the work applicability is improved because the work form to be collected and the work form in which the crop is placed on the field scene can be switched and used.
In the above case, since the rear shooter (22) is rotatably provided in the sorting and conveying section (6), the rear shooter (22) does not interfere with the conveying path of the sorting and conveying section (6) when not in use. , Work efficiency is improved.
Further, by arranging the auxiliary seat (6a) on the left and right sides of the rear shooter (22) and at the position facing the rear side of the sorting and conveying unit (6), the sorting operator is conveyed by the sorting and conveying unit (6). Since the sorting operation can be carried out even if the working form is changed, the harvesting operation can be performed, so that the sorting operation can be performed on the crops that are discharged from the remaining leaf rolling roller (5c) and fall on the rear shooter (22). The time and labor required for the subsequent sorting operation is reduced.

請求項５に係る発明により、請求項２から請求項４のいずれかに係る発明の効果に加え、誘導搬送部材（２３）を巻込搬送ローラ（５ａ）の左右両側に設けたことにより、汲上部（４）から受けた作物を確実に巻込搬送ローラ（５ａ）に集中することができるので、茎葉処理部（５）に作物が滞留することが防止され、作業能率が向上するとともに、作物同士の接触で作物が傷付くことが防止される。
上記誘導搬送部材（２３）は、外側部から巻込搬送ローラ（５ａ）に向かって下方傾斜させたことにより、作物が茎葉処理部（５）の外側から落下することを防止できるので、落下した作物を拾う作業が不要となり、作業能率が向上すると共に、作業者の労力が軽減される。
また、誘導搬送部材（２３）の表面は平らであることにより、落下の衝撃を軽減しやすく作物の傷付きを防止できると共に、誘導搬送部材（２３）が作物を後方に搬送することを防止できる。 According to the invention according to claim 5, in addition to the effects of the invention according to any one of claims 2 to 4, the guide conveyance member (23) is provided on both right and left sides of the entraining conveyance roller (5a). Since the crop received from the upper part (4) can be reliably concentrated on the entraining and conveying roller (5a), it is prevented that the crop stays in the foliage treatment part (5), the work efficiency is improved, and the crop is improved. The crops are prevented from being damaged by contact with each other.
Since the said guide conveyance member (23) can prevent that a crop falls from the outer side of a foliage processing part (5) by making it incline downward toward an entrainment conveyance roller (5a) from the outer side, it fell This eliminates the need for picking up crops, improving work efficiency and reducing the labor of the worker.
Further, since the surface of the guide transport member (23) is flat, it is easy to reduce the impact of the fall, and it is possible to prevent the crop from being damaged, and the guide transport member (23) can prevent the crop from being transported backward. .

請求項６に係る発明により、請求項１から請求項５のいずれかに係る発明の効果に加え、左右の走行部（２）の接地範囲（Ｌ）が汲上部（４）の側方に及ぶことから、掘起部（３）が土中抵抗等によってピッチングしようとしても、左右の走行部（２）の接地によりピッチング幅が抑えられるので、掘り起こし深さの変動が抑えられて掘起し精度が安定する。
また、両走行部（２）間の連結パイプ（１１）を汲上部（４）の背面側に配置したことにより、茎葉処理部（５）から落下する茎葉片や泥が当たりにくく、掃除に要する労力が軽減されると共に、汲上部（４）を下降させる際のストッパになるため、下げ過ぎて破損させてしまうことが防止される。
また、汲上部（４）の回動支点（４ａ）を汲上終端側である上端部に設けたことにより、汲上部（４）を昇降回動させても茎葉処理部（５）との距離が一定に維持されるので、作物の引継ぎがスムーズになり、作業能率が向上する。 According to the invention according to claim 6, in addition to the effect of the invention according to any one of claims 1 to 5, the ground contact range (L) of the left and right traveling parts (2) extends to the side of the upper part (4). Therefore, even if the excavation part (3) tries to pitch due to the resistance in the soil, the pitching width can be suppressed by the grounding of the left and right traveling parts (2), so the fluctuation of the excavation depth is suppressed and the excavation accuracy is suppressed. Is stable.
In addition, since the connecting pipe (11) between the two traveling parts (2) is arranged on the back side of the upper part (4), it is difficult for the fallen leaves and mud falling from the foliage treatment part (5) to hit, and it is necessary for cleaning. The labor is reduced and the stopper (4) for lowering the pumping upper part (4) is prevented from being excessively lowered and damaged.
In addition, by providing the rotation fulcrum (4a) of the upper drawing part (4) at the upper end which is the upper drawing end side, even if the upper drawing part (4) is turned up and down, the distance from the foliage processing part (5) can be increased. Since it is kept constant, the transfer of crops becomes smooth and work efficiency is improved.

請求項７に係る発明により、請求項１から請求項６のいずれかに係る発明の効果に加え、複数の爪部材を等間隔に並べた掻込羽根（２１）によって掻込部材（３ｂ）を構成したことにより、作物に付着した泥や雑草等を掻込羽根（２１）の爪部材の隙間から排出しながら作物を掘起部（３）に掻き込むことができるので、泥や雑草が茎葉部の切断や作物の選別作業を妨げることが防止され、作業能率や選別精度が向上する。
また、掻込羽根（２１）の爪部材を弾性材で形成したことにより、作物と接触しても作物を傷つけることが無く、商品価値が向上する。また、石等が掘り起こし部と掻き込み装置の間に挟まっても、爪部材が弾性変形して逃げることができるので、掘起部（３）の搬送部材（３ｃ）や掻込部材（３ｂ）の破損が防止される。 According to the invention according to claim 7, in addition to the effect of the invention according to any one of claims 1 to 6, the scraping member (3b) is moved by the scraping blade (21) in which a plurality of claw members are arranged at equal intervals. By constructing, the mud and weeds can be scraped into the excavated part (3) while discharging mud, weeds, etc. adhering to the crop from the gap between the nail members of the scraping blade (21), so This prevents the cutting of parts and the sorting of crops from being hindered, and improves the work efficiency and sorting accuracy.
Moreover, since the nail | claw member of the raking blade | wing (21) was formed with the elastic material, even if it contacts with a crop, a crop is not damaged and a commercial value improves. Further, even if stones or the like are sandwiched between the digging portion and the scraping device, the claw member can be elastically deformed and escape, so that the conveying member (3c) and the scraping member (3b) of the digging portion (3) Is prevented from being damaged.

請求項８に係る発明により、請求項１から請求項７のいずれかに係る発明の効果に加え、茎葉処理部（５）の下方にダストシュータ（２４）を設けたことにより、落下する茎葉片や泥が機体の各部に飛散して付着することを防止することができるので、機体の掃除に要する時間と労力が軽減される。
上記ダストシュータ（２４）は茎葉片等を走行部（２）よりも機体外側に落下させるので、作物を機体後方に排出する作業の際に茎葉片や泥が作物の上に落下することがなく、作物の回収が能率よく行える。
上記ダストシュータ（２４）を茎葉処理部（５）に近接する位置に回動させると、その下方に空間が確保されるので、汲上部（４）を含めての作業者によるメンテナンス性が向上する。
また、ダストシュータ（２４）を上方回動させると、エンジンの始動操作が規制されるので、メンテナンス作業中にエンジンを誤って始動させることが無くなり、メンテナンス作業の安全性が確保される。 According to the invention according to claim 8, in addition to the effects of the invention according to any one of claims 1 to 7, the falling foliage pieces by providing the dust shooter (24) below the foliage treatment part (5) Since it is possible to prevent the mud from being scattered and adhered to each part of the aircraft, the time and labor required for cleaning the aircraft are reduced.
Since the dust shooter (24) drops the foliage and the like to the outside of the machine than the traveling unit (2), the foliage and mud do not fall on the crop when the crop is discharged to the rear of the machine. The crop can be collected efficiently.
When the dust shooter (24) is rotated to a position close to the foliage treatment unit (5), a space is secured below the dust shooter (24), so that the maintainability by the operator including the upper part (4) is improved. .
Further, when the dust shooter (24) is rotated upward, the engine start operation is restricted, so that the engine is not erroneously started during the maintenance work, and the safety of the maintenance work is ensured.

根菜収穫機の外観斜視図External perspective view of root crop harvesting machine 茎葉処理部の拡大平面図Enlarged plan view of the foliage processing section 根菜収穫機の内部構成を示す部分破断斜視図Partially broken perspective view showing the internal configuration of the root crop harvesting machine 別の構成例の根菜収穫機の斜視図Perspective view of root vegetable harvesting machine of another configuration example

上記技術思想に基づいて具体的に構成された実施の形態について以下に図面を参照しつつ説明する。
本発明の実施の形態として示すタマネギ等の根菜作物を収穫する根菜収穫機１は、図１にその外観斜視図を示すように、圃場走行用の左右のクローラによる走行部２，２によって両側支持した機体に、その前端部の掘起部３と、そのタマネギを仕切板に受けて後ろ上がりに傾斜搬送する仕切コンベア等による汲上部４と、その後方でタマネギの茎葉を除去する茎葉処理部５と、後部配置の選別搬送部６と、茎葉処理部５の側方で上下一体構成の操縦部７および原動部７ａと、その外側部のコンテナデッキ８等を備えて構成される。 Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings.
The root vegetable harvesting machine 1 for harvesting root vegetable crops such as onions as shown in the embodiment of the present invention is supported on both sides by the traveling units 2 and 2 by the left and right crawlers for field traveling as shown in FIG. In the machined body, the excavation part 3 at the front end, the upper part 4 by a partition conveyor or the like that receives the onion on the partition plate and inclines and moves backward, and the foliage processing part 5 that removes the foliage of the onion behind it. And a sorting and conveying unit 6 arranged at the rear, a steering unit 7 and a driving unit 7a having a vertically integrated configuration on the side of the foliage processing unit 5, and a container deck 8 on the outside thereof.

詳細には、走行部２，２は、掘起部３に抵抗がかかっても前後方向の機体のピッチングを抑えるために、接地範囲Ｌの前端が掘起部３の側方に及ぶように構成する。
掘起部３は、鋤部材３ａを先端に備えて互いに対向動作する掻込羽根による掻込部材３ｂとベルトコンベヤによる搬送部材３ｃとを上下に配置する。 Specifically, the traveling units 2 and 2 are configured such that the front end of the ground contact range L extends to the side of the excavating portion 3 in order to suppress the pitching of the aircraft in the front-rear direction even when resistance is applied to the excavating portion 3. To do.
The excavation part 3 arrange | positions the scraping member 3b by the scraping blade | wing and the conveyance member 3c by a belt conveyor which equip the front-end | tip with the dredging member 3a, and opposes mutually.

茎葉処理部５は、図２に要部平面図を示すように、汲上部４から受けたタマネギの茎葉を巻込んで倒立姿勢で後方に搬送する左右対向の巻込搬送ローラ５ａ…によるタッピングユニットと、上伝動の伝動部５ｄによって巻込搬送ローラ５ａ…による搬送線上でそれぞれ茎葉を搬送切断する左右配置の回転刃５ｂ…と、その残葉を巻込み除去する左右対向の残葉巻込ローラ５ｃ…とをこの順に堀起こし幅の範囲に構成し、下方を開放空間として確保する。巻込搬送ローラ５ａ…は、一定速動作の後にＨＳＴ操作による車速連動で駆動する。   As shown in the plan view of the main part in FIG. 2, the foliage processing unit 5 is a tapping unit that includes a left and right entraining conveyance roller 5a that entrains the foliage of the onion received from the upper part 4 and conveys it backward in an inverted posture. The left and right rotating blades 5b for conveying and cutting the foliage on the conveying line by the entraining conveying roller 5a by the upper transmission unit 5d, and the left and right remaining leaf entraining rollers 5c for entraining and removing the remaining leaves. ... are raised in this order to form a width range, and the lower part is secured as an open space. The entraining conveyance rollers 5a are driven in conjunction with the vehicle speed by the HST operation after a constant speed operation.

巻込搬送ローラ５ａ…は、傷つき防止、合理的な伝動部５ｄのレイアウト、泥落としのために、汲上部４の搬送端の下側に潜り込むように配置する。巻込搬送ローラの表面は、対向配置の左右それぞれに搬送および茎葉引込みのために螺旋突条５ｅ，５ｅを形成する。両巻込搬送ローラ５ａ，５ａの間を離して所定隙間とし、両残葉巻込ローラ５ｃ，５ｃは残葉巻込みのために殆ど間隔を空けずに構成する。また、残葉巻込ローラ５ｃ…はそれぞれ前端側にテーパを形成する。巻込搬送ローラ５ａ…と残葉巻込ローラ５ｃ…は、左右それぞれ共通軸線上で一体に構成し、左右それぞれ巻込搬送ローラ５ａ…の前端側の伝動部５ｆから隣接軸を互いに逆転してチェーン伝動する。   The winding conveyance rollers 5a are arranged so as to sink under the conveyance end of the upper part 4 in order to prevent scratches, rational layout of the transmission part 5d, and mud dropping. The surface of the winding conveyance roller forms spiral ridges 5e and 5e for conveyance and foliage retraction on the left and right of the opposing arrangement, respectively. The two wrapping conveyance rollers 5a and 5a are separated from each other to form a predetermined gap, and the remaining leaf wrapping rollers 5c and 5c are configured with little space for wrapping the remaining leaf. Further, the remaining leaf winding rollers 5c... Form a taper on the front end side. The winding conveyance rollers 5a and the remaining leaf winding rollers 5c are integrally formed on the left and right common axes, and the adjacent shafts are reversed to each other from the transmission portion 5f on the front end side of the left and right winding conveyance rollers 5a. Be transmitted.

選別搬送部６は、機体の前後長を抑えるために、機体後部を横断搬送する方向にレイアウトし、落下ショックを軽減するように平ベルトコンベアによって構成する。選別搬送部６の搬送下流側に残葉巻込ローラ５ｃ…からオフセットして選別作業用の補助座席６ａを後方から臨む位置に配置する。   In order to suppress the longitudinal length of the machine body, the sorting and conveying section 6 is laid out in the direction of crossing and conveying the rear part of the machine body, and is configured by a flat belt conveyor so as to reduce a drop shock. An auxiliary seat 6a for sorting work is arranged at a position facing the rear side by offsetting from the remaining leaf winding rollers 5c.

操縦部７は、茎葉処理部５の巻込搬送ローラ５ａ…の側方で、片側の走行部２の真上から外側にオフセットして操縦座席７ｂを設け、この操縦座席７ｂの横の巻込搬送ローラ５ａ…やチェーンコンベヤとの間に、操縦座席７ｂ横の構造物を設ける。また、操縦座席７ｂからの視認性を確保するために、操縦部７の前端位置を茎葉処理部５の側方で汲上部４の側方範囲内に構成する。   The control unit 7 is provided with a control seat 7b on the side of the winding conveyance roller 5a... Of the foliage processing unit 5 and offset outward from directly above the traveling unit 2 on one side. A structure beside the control seat 7b is provided between the transport rollers 5a and the chain conveyor. In addition, in order to ensure visibility from the control seat 7 b, the front end position of the control unit 7 is configured in the lateral range of the upper part 4 on the side of the foliage processing unit 5.

また、両走行部２，２の間には、図３に内部構成を示す部分破断斜視図を示すように、連結パイプ１１を設けてそれぞれの駆動軸（不図示）を同軸に内設し、駆動軸に伝動する変速伝動部１３および駆動軸両側端のドライブスプロケット１４，１４を高畝対応の高さ位置に構成する。   Moreover, between the traveling parts 2 and 2, as shown in a partially broken perspective view showing the internal configuration in FIG. 3, a connecting pipe 11 is provided, and respective drive shafts (not shown) are coaxially installed, The transmission 13 and the drive sprockets 14 and 14 on both sides of the drive shaft are configured at height positions corresponding to the height.

連結パイプ１１は、汲上部４の後方に配置し、また、汲上部４は、掘起部３と一体に構成した上で搬送終端側のスプロケット付近を回動支点４ａとして軸支し、汲上部４をその背面側から昇降シリンダ１５を介して連結パイプ１１に支持して油圧昇降可能に構成する。昇降シリンダ１５は、汲上部４の幅方向について中央単独または複数分割で支持する。また、連結パイプ１１は、汲上部４を下降させる際のストッパを兼ねる。汲上部４の駆動は、掘起部３の搬送部材３ｃとともに、車速と無関係に一定速で行う。   The connecting pipe 11 is disposed behind the pumping upper part 4, and the pumping upper part 4 is configured integrally with the excavation part 3, and is pivotally supported with the vicinity of the sprocket on the conveyance end side as a rotation fulcrum 4 a. 4 is supported on the connecting pipe 11 from the back side through the lifting cylinder 15 so as to be hydraulically movable up and down. The elevating cylinder 15 is supported in the center alone or in a plurality of divisions in the width direction of the pumping upper portion 4. Further, the connecting pipe 11 also serves as a stopper when the pumping upper portion 4 is lowered. The pumping upper part 4 is driven at a constant speed regardless of the vehicle speed together with the conveying member 3c of the digging part 3.

（別の構成例）
次に、図４にて示す、別の構成例の根菜収穫機の斜視図のように、掘起部３の掻込部材３ｂを複数の硬質ゴム製の爪部材を横隊配置して隙間を形成したタイン状の掻込羽根２１…によって泥抜けが良く、かつ、タマネギを傷付けないように構成する。 (Another configuration example)
Next, as shown in a perspective view of a root crop harvesting machine of another configuration example shown in FIG. 4, a gap is formed by arranging a plurality of hard rubber claw members in the scraping member 3 b of the digging portion 3. The tine-like scraping blades 21 are configured so that mud removal is good and the onion is not damaged.

茎葉処理部５の巻込搬送ローラ５ａ…は、堀起し条数より少なくし、堀起し幅について足りない部分の両側部に平ベルトコンベヤによる誘導搬送部材２３，２３を設け、この誘導搬送部材２３，２３を外から内へ搬送動作させ、４条掘構成の場合は中央の２条分の巻込搬送ローラ５ａ…によって肩揃えを行う。誘導搬送部材２３，２３は外側端を跳ね上げたＶ字状に構成する。   The entraining and conveying rollers 5a of the foliage processing unit 5 are provided with guide conveying members 23, 23 by flat belt conveyors on both sides of the portion where the number of ridges is less than the number of ridges and the width of the digging is insufficient. The members 23 and 23 are transported from the outside to the inside, and in the case of a 4-strip structure, the shoulders are aligned by the winding transport rollers 5a for two central strips. The guide transport members 23, 23 are configured in a V shape with the outer ends flipped up.

中央２条分の巻込搬送ローラ５ａ…の両外側条はタイムラグを持たせて千鳥状にタッピングさせる。また、中央２条分の巻込搬送ローラ５ａ…の上側に分配用の三角屋根を設ける。そして、中央の２条分の巻込搬送ローラ５ａ…からタマネギを受けるように、中央の２条分について、回転刃５ｂ…と残葉巻込ローラ５ｃ…を設ける。１条毎の左右配置の回転刃５ｂ…は、片方を駆動し、他方を支持軸を要しない非駆動とすることにより、タマネギの茎葉部を挟み切る際に非駆動側に広い通路を確保することができる。   The two outer strips of the two central winding rollers 5a are tapped in a staggered manner with a time lag. In addition, a distribution triangular roof is provided on the upper side of the winding conveyance rollers 5a. Then, the rotary blades 5b and the remaining leaf winding rollers 5c are provided for the two central strips so as to receive the onions from the central two winding conveyor rollers 5a. The left and right rotary blades 5b arranged for each row secure one wide passage on the non-driving side when driving one side and non-driving the other so as not to require a support shaft. be able to.

選別搬送部６の上方には、残葉巻込ローラ５ｃ…から跨ぐようにして機体後方に及ぶ後部シュータ２２をその後端部で選別搬送部６の機体後端側に軸支して後方展開可能に設け、残葉除去したタマネギを機体後端から畝落とし可能に構成する。この後部シュータ２２は、機体後部の後方展開位置に収納することにより、残葉巻込ローラ５ｃ…から選別搬送部６を介して収穫タマネギのコンテナ収容が可能となる。補助座席６ａは、後部シュータ２２の側方にオフセットして配置することにより、後部シュータ２２による畝落としのタマネギについても選別作業が可能となる。   A rear shooter 22 extending to the rear of the machine so as to straddle the remaining leaf winding rollers 5c... Is supported on the rear end of the sorting and conveying unit 6 at the rear end side of the sorting and conveying unit 6 above the sorting and conveying unit 6. The onion with the remaining leaves removed can be dropped from the rear edge of the aircraft. The rear shooter 22 can be accommodated in the container of the harvested onion via the sorting and conveying unit 6 from the remaining leaf winding rollers 5c. By arranging the auxiliary seat 6a offset to the side of the rear shooter 22, it is possible to sort the onion that has been dropped by the rear shooter 22.

茎葉処理部５の下方には、回転刃５ｂ…および残葉巻込ローラ５ｃ…までをカバー範囲として除去した茎葉片やゴミを全て外側方に排出するダストシュータ２４を設ける。このダストシュータ２４は、操縦部７のある変速伝動部１３側を高く、反対側を低くして機体幅方向に傾斜して構成する。このダストシュータ２４により、変速伝動部１３が無い側の走行部２のクローラ上に茎葉片等を排出することにより、畝上を避けて畝間の溝に落とすことができ、収穫タマネギとゴミの分離が可能となるとともに、巻込搬送ローラ５ａ…の下方からのメンテナンススペースが確保される。   Below the foliage processing unit 5, a dust shooter 24 that discharges all the foliage pieces and dust removed from the rotary blade 5 b... And the remaining leaf entraining roller 5 c. The dust shooter 24 is configured to be inclined in the body width direction with the shift transmission unit 13 side where the control unit 7 is located high and the opposite side low. The dust shooter 24 allows the leaflets and the like to be discharged onto the crawler of the traveling unit 2 on the side where the speed transmission unit 13 is not provided, so that it can be dropped into the groove between the ridges while avoiding the ridge. And a maintenance space from the lower side of the entraining conveyance roller 5a is secured.

また、変速伝動部１３のメンテナンスの邪魔にならないように、傾斜状態のダストシュータ２４を上方に跳ね上げ可能に構成する。この跳ね上げ操作によってダストシュータ２４が屋根となることから、特に、現場作業の際に機体下における整備性を良好化することができる。そして、ダストシュータ２４の跳ね上げによってエンジン始動を規制し、また、跳ね上げ位置から落下防止のためのダストシュータ２４のロック装置を設ける。   In addition, the dust shooter 24 in an inclined state is configured to be able to jump upward so as not to obstruct maintenance of the transmission 13. Since the dust shooter 24 becomes a roof by this flip-up operation, maintainability under the fuselage can be improved particularly during field work. Then, the engine startup is restricted by the lifting of the dust shooter 24, and a lock device for the dust shooter 24 is provided to prevent the engine from dropping from the flipped position.

（構成の要点）
上記構成の根菜収穫機について、構成上の要点をまとめると以下のとおりである。
根菜収穫機１は、汲上部４と選別搬送部６との間にタマネギの茎葉を除去する茎葉処理部５を設け、その側方に操縦部７を設けることにより、作業者は操縦を行いながら、タマネギの茎葉が茎葉処理部５で正常に除去されているかどうかを確認することができるので、確実な茎葉除去によって作業能率が向上する。また操縦部７の前端部が汲上部４の側方に位置することから、作業者は掘起部３や汲上部４を視認しやすい位置に搭乗することができるので、作物の掘起こし搬送状況の確認や、掘り起こし高さの調節が適宜行えるため、作業能率を向上することができる。 (Key points of the configuration)
About the root vegetable harvesting machine of the said structure, it is as follows when the main point on a structure is put together.
The root vegetable harvesting machine 1 is provided with a foliage processing unit 5 for removing the onion foliage between the upper drawing part 4 and the sorting and conveying unit 6, and by providing a control unit 7 on the side thereof, the operator is operating Since it is possible to confirm whether or not the onion foliage has been normally removed by the foliage treatment unit 5, the work efficiency is improved by reliable foliage removal. In addition, since the front end of the control unit 7 is located on the side of the drawing part 4, the operator can board the digging part 3 or the drawing part 4 at a position where it can be easily seen. Since it is possible to appropriately check the height and adjust the digging height, work efficiency can be improved.

茎葉処理部５は、巻込搬送ローラ５ａ…と回転刃５ｂ…と残葉巻込ローラ５ｃ…とをこの順に配置し、その回転刃５ｂ…の伝動部５ｄを上伝動に構成したことにより、切断された茎葉片や作物に付着していた泥土を下方に落下させることができるので、落下物が伝動ケース５ｄに付着して回転刃の駆動を停止させることが防止されるため、茎葉処理が確実に行われ、作業能率を向上することができる。   The foliage processing unit 5 is arranged by arranging the entraining conveying rollers 5a, the rotating blades 5b, and the remaining leaf entraining rollers 5c in this order, and the transmission unit 5d of the rotating blades 5b is configured as an upper transmission. Since the muddy soil adhering to the cut foliage and crops can be dropped downward, the fallen object is prevented from adhering to the transmission case 5d and stopping the driving of the rotary blade. The work efficiency can be improved.

また、巻込搬送ローラ５ａ…、回転刃５ｂ…、残葉巻込ローラ５ｃ…の直下を何も配置しない開放空間として確保できることから、圃場に切断された茎葉片や泥土を落とすことができるので、機体に茎葉片が絡み付いたり泥土が付着したりすることが防止され、機体の掃除に要する労力が軽減される。   Moreover, since it can ensure as an open space which arrange | positions nothing under the winding conveyance roller 5a ..., the rotary blade 5b ..., and the remaining leaf winding roller 5c ..., it can drop the foliage and mud cut by the field, It prevents the foliage from getting entangled in the aircraft and mud from adhering to it, reducing the labor required for cleaning the aircraft.

巻込搬送ローラ５ａ…は、その表面に搬送用の螺旋突条５ｅ…を設けることによって強制搬送が可能となるので、巻込搬送ローラ５ａ…上で作物が滞留することなく速やかに能率的に搬送される。また、汲上部４から作物が落下しても作物同士の衝突による損傷が防止されて商品価値が向上する。さらに、左右対向の残葉巻込ローラ５ｃ…間を巻込搬送ローラ５ａ…間よりも狭くしたことにより、切除された茎葉片や、回転刃で切り損なった茎葉部を下方に引き込んで圃場に落下させることができるので、切断された茎葉片が選別搬送部６に混入することが防止され、選別精度が向上される。   The entraining conveyance roller 5a ... can be forcibly conveyed by providing the conveying spiral ridges 5e ... on the surface thereof, so that the crop can be quickly and efficiently kept on the entraining conveyance roller 5a ... Be transported. In addition, even if the crop falls from the upper part 4, damage due to the collision between the crops is prevented and the commercial value is improved. Further, the space between the left and right remaining leaf winding rollers 5c is made narrower than the space between the winding conveying rollers 5a, so that the cut leaves and the stems and leaves cut off by the rotary blade are drawn downward and dropped to the field. Therefore, the cut foliage can be prevented from being mixed into the sorting and conveying unit 6 and the sorting accuracy can be improved.

左右の走行部２，２は、接地範囲Ｌが汲上部４の側方に及ぶことから、掘起部３が土中抵抗等によってピッチングしようとしても、左右の走行部２，２の接地によりピッチングが抑えられるので、掘り起こし深さの変動が抑えられて掘起し精度が安定する。   The left and right traveling parts 2 and 2 are pitched by the grounding of the left and right traveling parts 2 and 2 even if the excavation part 3 tries to pitch by the resistance in the ground because the grounding range L extends to the side of the upper part 4. Therefore, excavation depth fluctuations are suppressed and excavation accuracy is stabilized.

左右の走行部２，２間の連結パイプ１１は、汲上部４の背面側に配置することにより、茎葉処理部５から落下する茎葉片や泥が当たりにくく、掃除に要する労力が軽減されると共に、汲上部４を下降させる際のストッパになるため、その下げ過ぎによる破損を防止することができる。
また、汲上部４は、その回動支点４ａを汲上終端側である上端部に設けることにより、汲上部４を昇降回動させても茎葉処理部５との距離が一定に維持されるので、作物の引継ぎがスムーズになり、作業能率が向上する。 The connecting pipe 11 between the left and right traveling parts 2 and 2 is arranged on the back side of the pumping upper part 4 so that it does not easily hit the foliage and mud falling from the foliage treatment part 5, and the labor required for cleaning is reduced. Since it serves as a stopper for lowering the pumping upper portion 4, it is possible to prevent damage due to excessive lowering.
In addition, since the upper portion 4 of the pumping portion 4 is provided at the upper end portion on the upper end side of the pumping, the distance from the foliage processing unit 5 is maintained constant even if the upper pumping portion 4 is rotated up and down. The transfer of crops will be smooth and work efficiency will be improved.

掘起部３の掻込部材３ｂを複数の爪部材を等間隔に並べたタイン状の掻込羽根２１…を設けて構成することにより、作物に付着した泥や雑草等を爪部材の隙間から排出しながら作物を掘起部３に掻き込むことができるので、泥や雑草が茎葉部の切断や作物の選別作業を妨げることが防止され、作業能率や選別精度が向上する。   By constructing the scraping member 3b of the digging portion 3 by providing tine-shaped scraping blades 21 in which a plurality of claw members are arranged at equal intervals, mud, weeds, etc. adhering to the crop are removed from the gap between the claw members. Since the crop can be scraped into the digging portion 3 while being discharged, mud and weeds are prevented from interfering with the cutting of the foliage and the sorting operation of the crop, and the work efficiency and sorting accuracy are improved.

弾性材の爪部材によって掻込羽根２１…を形成することにより、作物と接触しても作物を傷つけることが無く、商品価値が向上する。また、石等が搬送部材３ｃと掻込部材の間に挟まっても、掻込羽根２１…の各爪部材が弾性変形して逃げることができるので、搬送部材３ｃや掻込部材３ｂの破損が防止される。   By forming the scraping blades 21 with the claw members made of an elastic material, the crop is not damaged even if it comes into contact with the crop, and the commercial value is improved. Further, even if a stone or the like is sandwiched between the transport member 3c and the scraping member, the claw members of the scraping blades 21 can be elastically deformed and escape, so that the transport member 3c and the scraping member 3b are damaged. Is prevented.

後部シュータ２２を後方展開可能に選別搬送部６の機体後端側に設けたことにより、作物を選別搬送部６経由で収容容器に回収する作業形態と、作物を圃場面に置いて行く作業形態を切り替えて使用することができるので、作業適用性が向上する。非使用時は、後部シュータ２２が選別搬送部６の搬送経路を妨害しなくなるので、作業能率を確保することができる。   By providing the rear shooter 22 on the rear end side of the machine body of the sorting and conveying unit 6 so that it can be deployed rearwardly, an operation mode for collecting the crops in the storage container via the sorting and conveying unit 6 and an operation mode for placing the crops in the field scene Therefore, work applicability is improved. When not in use, the rear shooter 22 does not interfere with the transport path of the sorting transport unit 6, so that work efficiency can be ensured.

補助座席６ａは、後部シュータ２２の左右一側で且つ選別搬送部６に後側から臨む位置に配置したことにより、補助座席６ａの選別作業者が、選別搬送部６によって搬送される作物、及び残葉巻込ローラ５ｃ…から排出されて後部シュータ２２上を落下する作物の両方の選別作業を同様に効率よく行うことができる。   The auxiliary seat 6a is disposed on the left and right sides of the rear shooter 22 and at the position facing the sorting and conveying unit 6 from the rear side, so that the sorting operator of the auxiliary seat 6a can be transported by the sorting and conveying unit 6, and The sorting operation for both the crops discharged from the remaining leaf winding rollers 5c and falling on the rear shooter 22 can be performed in the same manner.

巻込搬送ローラ５ａ…の左右両側には、誘導搬送部材２３，２３を設けることにより、汲上部４から受けた作物を確実に巻込搬送ローラ５ａ…に集中することができるので、茎葉処理部５に作物が滞留することが防止され、作業能率が向上するとともに、作物同士の接触で作物が傷付くことが防止される。
誘導搬送部材２３，２３は、外側部から巻込搬送ローラ５ａ…に向かって低く傾斜させることにより、作物が茎葉処理部５の外側に落下することを防止できるので、落下した作物を拾う作業が不要となり、作業能率が向上すると共に、作業者の労力が軽減される。
誘導搬送部材２３，２３の表面を平らに形成したことにより、落下の衝撃を軽減しやすく作物の傷付きを防止できると共に、誘導搬送部材２３，２３が作物を後方に搬送することを防止できる。 By providing the guide conveyance members 23, 23 on the left and right sides of the entraining conveyance rollers 5a ..., the crops received from the upper part 4 can be reliably concentrated on the entraining conveyance rollers 5a ... 5 prevents crops from staying and improves work efficiency, and prevents crops from being damaged by contact between crops.
The guide conveying members 23, 23 can be prevented from falling to the outside of the foliage processing unit 5 by inclining low from the outer side toward the entraining conveying roller 5a ... This eliminates the need to improve work efficiency and reduce the labor of the worker.
By forming the surfaces of the guide transport members 23 and 23 flat, it is easy to reduce the impact of the fall, and it is possible to prevent the crops from being damaged, and it is possible to prevent the guide transport members 23 and 23 from transporting the crops backward.

また、茎葉処理部５の下方にダストシュータ２４を設けたことにより、落下する茎葉片や泥が機体の各部に飛散して付着することを防止することができるので、機体の掃除に要する時間と労力が軽減される。
また、ダストシュータ２４は茎葉片等を走行部２，２よりも機体外側に落下させるので、作物を機体後方に排出する作業の際に茎葉片や泥が作物の上に落下することがなく、作物の回収を能率よく行える。 In addition, by providing the dust shooter 24 below the foliage treatment unit 5, it is possible to prevent falling foliage pieces and mud from scattering and adhering to each part of the airframe, so the time required for cleaning the airframe and Labor is reduced.
In addition, since the dust shooter 24 drops the foliage and the like to the outside of the aircraft rather than the traveling units 2 and 2, the foliage and mud do not fall on the crop when the crop is discharged to the rear of the aircraft. The crop can be collected efficiently.

ダストシュータ２４を茎葉処理部５の直下位置に回動させると、その下方に空間が確保されるので、汲上部４を含むメンテナンス性が向上する。
また、ダストシュータ２４の上方回動によってエンジンの始動操作を規制するように構成したことから、その下方におけるメンテナンス作業中にエンジンを誤って始動させることが無くなり、メンテナンス作業の安全性が確保される。 When the dust shooter 24 is rotated to a position directly below the foliage processing unit 5, a space is secured below the dust shooter 24, so that the maintenance performance including the upper part 4 is improved.
Further, since the start operation of the engine is regulated by the upward rotation of the dust shooter 24, the engine is not erroneously started during the maintenance work below the dust shooter 24, and the safety of the maintenance work is ensured. .

１ 根菜収穫機
２ 走行部
３ 掘起部
３ａ 鋤部材
３ｂ 掻込部材
３ｃ 搬送部材
４ 汲上部
４ａ 回動支点
５ 茎葉処理部
５ａ 巻込搬送ローラ
５ｂ 回転刃
５ｃ 残葉巻込ローラ
５ｄ 伝動部
５ｅ 螺旋突条
６ 選別搬送部
６ａ 補助座席
７ 操縦部
７ａ 原動部
７ｂ 操縦座席
８ コンテナデッキ
１１ 連結パイプ
１３ 変速伝動部
１４ ドライブスプロケット
１５ 昇降シリンダ
２１ 掻込羽根
２２ 後部シュータ
２３ 誘導搬送部材
２４ ダストシュータ
Ｌ 接地範囲 DESCRIPTION OF SYMBOLS 1 Root vegetable harvesting machine 2 Traveling part 3 Excavating part 3a Dredge member 3b Scratching member 3c Conveying member 4 Pumping upper part 4a Rotation fulcrum 5 Stem leaf processing part 5a Conveying roller 5b Rotating blade 5c Remaining leaf entraining roller 5d Transmission part 5e Spiral Projection 6 Sorting and transporting part 6a Auxiliary seat 7 Steering part 7a Driving part 7b Steering seat 8 Container deck 11 Connection pipe 13 Shifting transmission part 14 Drive sprocket 15 Lifting cylinder 21 Stake-in blade 22 Rear shooter 23 Guiding and conveying member 24 Dust shooter L Grounding range

Claims (8)

圃場走行用の左右の走行部（２）によって支持した機体に、その前端部で鋤部材（３ａ）を先端に備えて昇降可能に掻込部材（３ｂ）と搬送部材（３ｃ）とを上下に配置した掘起部（３）と、該掘起部（３）からタマネギを受けて上位に引上げる汲上部（４）と、その後方でタマネギを受ける選別搬送部（６）とを備える根菜収穫機において、
前記汲上部（４）と選別搬送部（６）との間にタマネギの茎葉を除去する茎葉処理部（５）を設け、該茎葉処理部（５）の側方に操縦部（７）と原動部（７ａ）とを上下に一体に設け、かつ、前記操縦部（７）の前端位置を前記汲上部（４）の側方範囲内に構成したことを特徴とする根菜収穫機。 The body supported by the left and right traveling units (2) for traveling on the field is provided with a hook member (3a) at the front end at the front end, and the scraping member (3b) and the conveying member (3c) are moved up and down to be movable up and down. Root crop harvesting provided with an excavated part (3) arranged, an upper part (4) that receives the onion from the excavated part (3) and pulls it upward, and a sorting and conveying part (6) that receives the onion behind it In the machine
A foliage processing section (5) for removing the onion foliage is provided between the upper drawing section (4) and the sorting and conveying section (6), and a steering section (7) and a driving force are provided on the side of the foliage processing section (5). A root vegetable harvesting machine characterized in that a part (7a) is integrally provided vertically and the front end position of the control part (7) is configured within a lateral range of the upper part (4). 前記茎葉処理部（５）は、前記汲上部（４）から受けたタマネギの茎葉を巻込んで倒立姿勢で後方に搬送する左右対向の巻込搬送ローラ（５ａ）と、該左右の巻込搬送ローラ（５ａ）の搬送線上で茎葉を搬送切断する上方からの伝動構成による左右配置の回転刃（５ｂ）と、該左右の回転刃（５ｂ）の残葉を巻込み除去する左右対向の残葉巻込ローラ（５ｃ）とをこの順に配置したことを特徴とする請求項１記載の根菜収穫機。   The foliage processing unit (5) includes a left and right winding conveyance roller (5a) that entrains the onion stem and leaves received from the upper part (4) and conveys them backward in an inverted posture, and the right and left winding conveyance Left and right rotating blades (5b) with a transmission configuration from above that conveys and cuts the foliage on the conveying line of the roller (5a), and left and right remaining leaf windings that entrain and remove the remaining leaves of the left and right rotating blades (5b) The root crop harvesting machine according to claim 1, wherein the embedded rollers (5c) are arranged in this order. 前記巻込搬送ローラ（５ａ）は、左右それぞれ搬送用の螺旋突条（５ｅ）を形成し、かつ、左右それぞれで前記残葉巻込ローラ（５ｃ）と共通軸線上に構成するとともに、前記両巻込搬送ローラ（５ａ）の間を前記残葉巻込ローラ（５ｃ）の隙間より狭く形成したことを特徴とする請求項２に記載の根菜収穫機。   The winding conveyance roller (5a) forms a spiral ridge (5e) for conveyance on the left and right sides, and is configured on the common axis with the remaining leaf winding roller (5c) on each of the left and right sides. The root vegetable harvesting machine according to claim 2, wherein a gap between the entraining and conveying rollers (5a) is formed narrower than a gap between the remaining leaf entraining rollers (5c). 前記回転刃（５ｂ）から作物を受けて前記選別搬送部（６）の上方から機体後端に案内する後部シュータ（２２）を後方展開可能に前記選別搬送部（６）の機体後端側に軸支し、該後部シュータ（２２）の側方で且つ前記選別搬送部（６）に臨んでその後側に作業用の補助座席（６ａ）を配置したことを特徴とする請求項２または請求項３に記載の根菜収穫機。   A rear shooter (22) that receives crops from the rotary blade (5b) and guides it to the rear end of the machine body from above the sorting and conveying section (6) is provided on the rear end side of the sorting and conveying section (6) so that it can be deployed backward. The working auxiliary seat (6a) is disposed on the side of the rear shooter (22) and on the rear side thereof facing the sorting and conveying section (6). 3. A root vegetable harvesting machine according to 3. 前記巻込搬送ローラ（５ａ）の両側端に内方に傾斜して誘導搬送する平ベルトコンベアによる誘導搬送部材（２３）を設けたことを特徴とする請求項２から請求項４のいずれかに記載の根菜収穫機。   The guide conveyance member (23) by the flat belt conveyor which inclines and conveys by inclining inward is provided in the both ends of the said winding conveyance roller (5a) in any one of Claim 2 to 4 characterized by the above-mentioned. The root crop harvesting machine described. 前記左右の両走行部（２）は、接地範囲（Ｌ）を前記掘起部（３）の側方に及んで構成し、かつ、前記左右の走行部（２）間に連結パイプ（１１）およびそれぞれの駆動軸を同軸に設けて前記汲上部（４）の背面側に配置すると共に、前記汲上部（４）は、前記掘起部（３）と一体に構成した上で上端部を軸支し、昇降シリンダ（１５）を介して上記連結パイプ（１１）に支持したことを特徴とする請求項１から請求項５のいずれかに記載の根菜収穫機。   Both the left and right traveling parts (2) have a ground contact range (L) extending to the side of the excavation part (3), and a connecting pipe (11) between the left and right traveling parts (2). The drive shafts are provided coaxially and arranged on the back side of the upper part (4), and the upper part (4) is configured integrally with the excavation part (3) and the upper end part is pivoted. The root vegetable harvesting machine according to any one of claims 1 to 5, wherein the root vegetable harvesting machine is supported and supported by the connecting pipe (11) through an elevating cylinder (15). 前記掻込部材（３ｂ）は、複数の弾性爪部材を等間隔に横隊配置した掻込羽根（２１）によって構成したことを特徴とする請求項１から請求項６のいずれかに記載の根菜収穫機。   The root crop harvesting according to any one of claims 1 to 6, wherein the scraping member (3b) is constituted by a scraping blade (21) in which a plurality of elastic claw members are arranged in a uniform pattern at equal intervals. Machine. 前記茎葉処理部（５）の下方で受けた落下物を前記操縦部側から前記走行部（２）の外側方に落下案内するダストシュータ（２４）を設け、前記茎葉処理部（５）の下方で受けた落下物を前記操縦部側から前記走行部（２）の外側方に落下案内するダストシュータ（２４）を設け、前記茎葉処理部（５）に近接する位置までを回動範囲として上記ダストシュータ（２４）の上端を軸支し、該回動上端位置で原動部（７ａ）の始動操作を規制可能に構成したことを特徴とする請求項１から請求項７のいずれかに記載の根菜収穫機。   A dust shooter (24) is provided for guiding fallen objects received below the foliage treatment unit (5) from the control unit side to the outside of the traveling unit (2), and below the foliage treatment unit (5). A dust shooter (24) is provided for guiding the fallen object received in step 1 to the outside of the traveling unit (2) from the control unit side, and the position close to the foliage processing unit (5) is used as a rotation range. The upper end of the dust shooter (24) is pivotally supported, and the starting operation of the driving portion (7a) can be regulated at the upper end position of the rotation. Root crop harvesting machine.

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