JP6927175B2

JP6927175B2 - Crop extractor

Info

Publication number: JP6927175B2
Application number: JP2018163596A
Authority: JP
Inventors: 高木　真吾; 高木　　真吾; 英明黒瀬
Original assignee: Iseki and Co Ltd
Current assignee: Iseki and Co Ltd
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2021-08-25
Anticipated expiration: 2038-08-31
Also published as: JP2020031613A

Description

本発明は、圃場に植生する根菜類を少し引き抜いて茎葉の先端を切り落とす作業を行う歩行型の作物引抜機に関する。 The present invention relates to a walking type crop extractor that performs a work of pulling out a little root vegetables vegetated in a field and cutting off the tips of foliage.

歩行型の作物引抜機は、下記特許文献１に記載されている。 A walking type crop extraction machine is described in Patent Document 1 below.

この歩行型の作物引抜機は、作物の茎葉部を引抜装置で挟持して機体の走行に伴って持ち上げて根部を圃場から引き抜き、肩揃え装置で根菜類の肩（へた）高さを揃えて茎葉部切断装置で茎葉の先端を切り落として根部を圃場に残す作業を行い、後作業で作業者が根菜類の茎葉部を持って抜き易くなった根部を軽い力で引き抜き、収穫出来るようにする。 In this walk-type crop extraction machine, the foliage of the crop is sandwiched by the extraction device, lifted as the aircraft travels, the roots are pulled out from the field, and the shoulder alignment device aligns the shoulder height of the root vegetables. The tip of the foliage is cut off with a foliage cutting device to leave the roots in the field, and the roots that are easier for the worker to pull out by holding the foliage of root vegetables in the later work can be pulled out with a light force and harvested. do.

前記肩揃え装置は、左右に設けるベルト支持フレームのそれぞれ前後に軸支した前後プーリに左右一対の挟みベルトを引抜装置が挟持した茎葉の通過間隔を持たせて張設し、左右挟みベルトの内側を受けるガイドプーリを挟持茎葉の量に合わせて移動して、通過間隔が狭過ぎて引抜装置での茎葉部持ち上げが出来なかったり、広過ぎて根部の持ち上げ過ぎで根菜類の肩が損傷したりするのを防ぐために、適正な通過間隔に調整する。 In the shoulder alignment device, a pair of left and right sandwiching belts are stretched on the front and rear pulleys pivotally supported on the front and rear of the belt support frames provided on the left and right with a passing interval of the foliage sandwiched by the pulling device, and the inside of the left and right sandwiching belts. Move the guide pulley to receive according to the amount of sandwiched foliage, and the passage interval is too narrow to lift the foliage with the pulling device, or it is too wide to lift the root too much and the shoulders of root vegetables are damaged. Adjust to the proper passage interval to prevent it from happening.

特開２０１６−２１４１９９号公報Japanese Unexamined Patent Publication No. 2016-214199

前記の通過間隔を調整するガイドプーリは、軸支する調整フレームのベルト支持フレームへの取付に長穴を設けボルトで左右位置を変更可能に固定する構成が考えられるが、あまり長い長穴は調整フレームの強度を低下させ、調整フレームの前後に設ける複数取付長穴の固定位置を左右均等にして左右ガイドプーリの位置を調整することは難しく、調整作業に手間取る。通過間隔調整が適切でないと、根菜類の肩が挟みベルトやガイドプーリに当たり損傷して、根菜類の商品価値を低下することがある。 The guide pulley for adjusting the passage interval may have a configuration in which a slotted hole is provided in the attachment of the shaft-supporting adjustment frame to the belt support frame and the left and right positions can be changed and fixed with bolts. It is difficult to adjust the position of the left and right guide pulleys by reducing the strength of the frame and making the fixing positions of the multiple mounting slotes provided on the front and back of the adjustment frame even on the left and right, which takes time for adjustment work. If the passage interval adjustment is not appropriate, the shoulders of the root vegetables may hit the pinching belt or guide pulley and be damaged, reducing the commercial value of the root vegetables.

本発明は、引抜装置で茎葉を挟持して肩揃え装置で根菜類の肩位置を揃えて茎葉部切断装置で茎葉の先端部を切除する歩行型の作物引抜機において、肩揃え装置を改良して根菜類の肩を傷つけず適正な茎葉を残した状態で根菜類を圃場に抜き置き出来るようにすることを課題とする。 The present invention is an improvement of the shoulder alignment device in a walking type crop extraction machine in which the foliage is sandwiched by the extraction device, the shoulder positions of the root vegetables are aligned by the shoulder alignment device, and the tip of the foliage is excised by the foliage cutting device. The challenge is to enable the root vegetables to be left in the field without damaging the shoulders of the root vegetables and leaving the proper stems and leaves.

上記本発明の課題は、次の技術手段により解決される。 The above-mentioned problem of the present invention is solved by the following technical means.

請求項１の発明は、根菜類の茎葉を挟持して引き抜く引抜搬送装置（４）と、該引抜搬送装置（４）の下方で引き抜く根菜類の肩位置を揃える肩揃え装置（４０）と、該肩揃え装置（４０）の後部で茎葉先端を切り落とす茎葉切断装置（５）を設けた作物引抜機において、
圃場面に広がる収穫物の下葉をまとめて前記引抜搬送装置（４）に渡す、左右の相込み装置（８，８）及びその前側の左右の引起装置（９，９）を設け、前記引抜搬送装置（４）の前部に、前記左右の相込み装置（８，８）と、その前側の左右の引起装置（９，９）の下方に位置する肩部挟み込み装置（４Ｚ）を設け、根菜類の茎葉部より下方を挟持して引き抜く構成とし、前記肩部挟み込み装置（４Ｚ）の前端部は、前記左右の相込み装置（８，８）より前側に配置し、前記引抜搬送装置（４）に、茎葉部を挟持して作物を引き抜き搬送する左右の第一搬送部材（４ａ，４ａ）を設け、前記肩部挟み込み装置（４Ｚ）に、茎葉部より下方を挟持して引き抜き搬送する左右の第二搬送部材（４Ｚａ，4Ｚａ）を設け、前記左右の第一搬送部材（４ａ，４ａ）より前記左右の第二搬送部材（４Ｚａ，4Ｚａ）は軟質であることを特徴とする作物引抜機とする。 The invention of claim 1 comprises a pull-out transport device (4) for sandwiching and pulling out the foliage of root vegetables, a shoulder aligning device (40) for aligning the shoulder positions of the root vegetables to be pulled out below the pull-out transport device (4). In a crop extraction machine provided with a foliage cutting device (5) that cuts off the tip of the foliage at the rear of the shoulder alignment device (40).
The left and right interlocking devices (8, 8) and the left and right pulling devices (9, 9) on the front side thereof are provided to collectively pass the lower leaves of the crop spreading in the field to the pulling and transporting device (4), and the pulling out is performed. The left and right interlocking devices (8, 8) and the shoulder pinching device (4Z) located below the left and right elevating devices (9, 9) on the front side thereof are provided on the front portion of the transport device (4). The structure is such that the root vegetables are pulled out by sandwiching them below the foliage, and the front end of the shoulder sandwiching device (4Z) is arranged in front of the left and right interleaving devices (8, 8), and the pulling and transporting device (4Z) is arranged. 4) is provided with left and right first transport members (4a, 4a) for sandwiching the foliage portion and pulling out and transporting the crop, and the shoulder portion sandwiching device (4Z) is provided with the lower part below the foliage portion and pulled out and transported. The left and right second transport members (4Za, 4Za) are provided, and the left and right second transport members (4Za, 4Za) are softer than the left and right first transport members (4a, 4a). Take the opportunity.

請求項２の発明は、前記肩部挟み込み装置（４Ｚ）は、前記引抜搬送装置（４）前端部の駆動プーリ（４ｋ）から動力を伝達され、前記肩部挟み込み装置（４Ｚ）の搬送方向下手側に向かって、挟持幅が狭くなることを特徴とする請求項１に記載の作物引抜機とする。 According to the second aspect of the present invention, the shoulder pinching device (4Z) receives power from the drive pulley (4k) at the front end of the pull-out transport device (4), and the shoulder pinching device (4Z) is inferior in the transport direction. The crop extraction machine according to claim 1, wherein the holding width becomes narrower toward the side.

（削除）(delete)

請求項１の発明で、左右の相込み装置８，８及びその前側の左右の引起装置９，９の下方に位置する肩部挟み込み装置４Ｚを設け、根菜類の茎葉部より下方を挟持して引き抜き搬送することで、引き抜き中に茎葉が切れることを防ぐことができる。 In the invention of claim 1, the shoulder portion pinching device 4Z located below the left and right phase narrowing device 8,8 and front left and right causing device 9,9 is provided, sandwiching the below foliage of root crops By pulling out and transporting, it is possible to prevent the foliage from being cut during pulling out.

また、品種や形状が異なる根菜類の引き抜き搬送を容易に行えることができる。 In addition, root vegetables of different varieties and shapes can be easily pulled out and transported.

また、茎葉部を挟持して作物を引き抜き搬送する左右の第一搬送部材４ａ，４ａと肩部挟み込み装置４Ｚに、茎葉部より下方を挟持して引き抜き搬送する左右の第二搬送部材４Ｚａ，4Ｚａを設け、左右の第一搬送部材４ａ，４ａより左右の第二搬送部材４Ｚａ，4Ｚａは軟質であることで、茎葉部より下方の根菜部分を傷つけを防止することができる。 In addition, the left and right first transport members 4a, 4a and the shoulder sandwiching device 4Z, which sandwich the foliage portion and pull out and transport the crop, sandwich and transport the crop below the foliage portion, and the left and right second transport members 4Za, 4Za. The left and right second transport members 4Za and 4Za are softer than the left and right first transport members 4a and 4a, so that the root vegetable portion below the foliage portion can be prevented from being damaged.

請求項２の発明で、請求項１の効果に加えて肩部挟み込み装置（４Ｚ）の搬送方向下手側に向かって、挟持幅が狭くなることで、引き抜き力が強くなるため、安定した姿勢で引き抜くことができる。 In the invention of claim 2 , in addition to the effect of claim 1, the pulling force becomes stronger by narrowing the holding width toward the lower side in the transport direction of the shoulder pinching device (4Z), so that the posture is stable. Can be pulled out.

本発明の一実施例の歩行型の作物引抜機の右側面図である。It is a right side view of the walking type crop extraction machine of one Example of this invention. 同歩行型の作物引抜機の平面図である。It is a top view of the walking type crop extraction machine. 同歩行型の作物引抜機の正面図である。It is a front view of the walking type crop extraction machine. 同歩行型の作物引抜機の肩揃え装置の平面図である。It is a top view of the shoulder alignment device of the walking type crop extraction machine. 同歩行型の作物引抜機の調整ブラケットの一部拡大平面図である。It is a partially enlarged plan view of the adjustment bracket of the walking type crop extraction machine. 同歩行型の作物引抜機のベルト支持フレームの取付穴拡大平面図である。It is an enlarged plan view of the mounting hole of the belt support frame of the walking type crop extraction machine. 同歩行型の作物引抜機の前プーリの側面図である。It is a side view of the front pulley of the walking type crop extraction machine. 本発明の別実施例の歩行型の作物引抜機の前プーリの側面図である。It is a side view of the front pulley of the walking type crop extraction machine of another embodiment of this invention. 本発明の一実施例の歩行型の作物引抜機のソイラ取付部の拡大側面図である。It is an enlarged side view of the soyra attachment part of the walking type crop extraction machine of one Example of this invention. 同歩行型の作物引抜機のソイラ取付部の拡大正面図である。It is an enlarged front view of the soyra attachment part of the walking type crop extraction machine.

（全体構成）
以下、本発明の実施形態を図面に示す実施例を参照しながら説明する。なお、実施例の説明においては、機体の前進方向に向かって左右方向をそれぞれ左、右といい、前進方向を前、後進方向を後というが、本発明の構成を限定するものでは無い。 (overall structure)
Hereinafter, embodiments of the present invention will be described with reference to examples shown in the drawings. In the description of the embodiment, the left and right directions are referred to as left and right, respectively, the forward direction is referred to as forward, and the reverse direction is referred to as backward toward the forward direction of the aircraft, but the configuration of the present invention is not limited.

本発明に掛る実施形態のダイコン等の根菜類収穫用の歩行型作物引抜機１は、駆動走行輪２ａ，２ａとゲージ輪３５とによって機体フレーム２２を圃場走行可能に構成する。 In the walking crop extraction machine 1 for harvesting root vegetables such as Japanese radish according to the present invention, the body frame 22 is configured to be able to travel in the field by the driving traveling wheels 2a and 2a and the gauge wheels 35.

機体には、エンジン３ａを一体に装着してエンジン動力を変速出力する動力伝動装置３、及び作業機器として圃場から大根等の作物の根部を半ばまで引抜く引抜搬送装置４と、この引抜搬送装置４の下方の肩揃え装置４０と茎葉切断装置５と、切断先端茎葉を機体の右側方へ案内排出する排葉ガイド６等を装着し、引抜搬送装置４の前端部には、上下回動支持部７を介して左右の相込み装置８，８及びその前側の左右の引起装置９，９を上下回動可能に支持することにより、圃場面に広がる下葉をまとめて引抜搬送装置４に渡し、肩揃え装置４０で作物の肩を一定高さに維持しながら引き抜いた作物の茎葉部の先端を茎葉切断装置５で切り落として圃場に根部を起立状態に放置する。後作業で、作業者が起立した根菜類の茎葉部を持って収穫する。 The machine is equipped with a power transmission device 3 that integrally mounts an engine 3a to shift and output engine power, a pull-out transfer device 4 that pulls out the roots of crops such as radish from the field to the middle as work equipment, and this pull-out transfer device. A shoulder alignment device 40 and a foliage cutting device 5 below the 4 and a foliage guide 6 and the like for guiding and discharging the cutting tip foliage to the right side of the machine body are attached, and the front end of the pull-out transport device 4 is supported by vertical rotation. By supporting the left and right interlocking devices 8 and 8 and the left and right pulling devices 9 and 9 on the front side thereof so as to be vertically rotatable via the portion 7, the lower leaves spreading in the field scene are collectively passed to the pull-out transport device 4. The tip of the foliage portion of the crop pulled out while maintaining the shoulder of the crop at a constant height with the shoulder alignment device 40 is cut off with the foliage cutting device 5 and the root portion is left in an upright state in the field. In the post-work, the worker holds the foliage of the root vegetables that have stood up and harvests them.

動力伝動装置３は、走行伝動ケース３ｂを介して車高調節可能に駆動走行輪２ａ，２ａに伝動し、また、動力伝動装置３から引抜搬送装置４と茎葉切断装置５に伝動するとともに、引抜搬送装置４の左側方に中継伝動ケース１０と入力軸１１を設けてその前方の掻込装置８を介して左右の掻込装置８，８および左右の引起装置９，９を一括駆動することにより、伝動系の簡潔化を図っている。左側駆動走行輪２ａは、トレッド変更ハンドル４２の回動で伸縮する走行伝動軸４３に設ける左側走行伝動ケース３ｂに支持され、畝溝の幅に合わせて左右に移動する。 The power transmission device 3 is transmitted to the drive traveling wheels 2a and 2a so that the vehicle height can be adjusted via the traveling transmission case 3b, and is transmitted from the power transmission device 3 to the pull-out transfer device 4 and the foliage cutting device 5 and is pulled out. By providing a relay transmission case 10 and an input shaft 11 on the left side of the transport device 4 and collectively driving the left and right scraping devices 8 and 8 and the left and right raising devices 9 and 9 via the scraping device 8 in front of the relay transmission case 10 and the input shaft 11. , I am trying to simplify the transmission system. The left drive traveling wheel 2a is supported by the left traveling transmission case 3b provided on the traveling transmission shaft 43 that expands and contracts by the rotation of the tread change handle 42, and moves left and right according to the width of the ridge groove.

ゲージ輪３５は、機体フレーム２２の右前部に後傾斜して設ける支持筒３６に設け、機体フレーム２２後部の高さ調整ハンドル３８に連動した調整軸３７の回転でゲージ輪３５が上下して機体フレーム２２の前部を昇降する。 The gauge wheel 35 is provided on a support cylinder 36 provided on the right front portion of the fuselage frame 22 so as to be inclined rearward, and the gauge wheel 35 moves up and down by rotation of the adjustment shaft 37 linked to the height adjustment handle 38 at the rear portion of the fuselage frame 22. The front part of the frame 22 is raised and lowered.

（引抜搬送装置）
引抜搬送装置４は、左右の対向周回ベルト４ａ，４ａを左右の周回支持フレーム４ｂ，４ｂに軸支する複数のプーリに周回支持し、周回ベルト４ａ，４ａの対向間に茎葉部を挟持して作物を所定高さまで引上げる挟持搬送機構を後ろ上がりに構成し、後端部に切断茎葉を機体の右側方に案内排出する排葉ガイド６を備え、その下方に肩揃え装置４０、回転刃５ｂとタッピング部５ｃからなる茎葉切断装置５を設ける。 (Pull-out transfer device)
The pull-out transport device 4 orbitally supports the left and right opposing circumferential belts 4a and 4a on a plurality of pulleys axially supporting the left and right orbital support frames 4b and 4b, and sandwiches the foliage portion between the orbital belts 4a and 4a facing each other. A pinch transport mechanism that pulls up the crop to a predetermined height is configured to rise backward, and a leaf removal guide 6 that guides and discharges the cut foliage to the right side of the machine is provided at the rear end, and a shoulder alignment device 40 and a rotary blade 5b are provided below the guide. A foliage cutting device 5 including the tapping portion 5c and the tapping portion 5c is provided.

引抜搬送装置４の終端部における切断茎葉の排出のために、エンジン３ａの前側で動力伝動装置３の上方を排葉空間として確保し、また、茎葉切断装置５における滞留を防止するために、動力伝動装置３の直下にタッピング部５ｃの後端部を臨ませて構成する。 In order to discharge the cut foliage at the end of the pull-out transfer device 4, the upper part of the power transmission device 3 is secured as a leaf-removing space on the front side of the engine 3a, and the power is used to prevent the foliage from staying in the foliage cutting device 5. The rear end of the tapping portion 5c faces directly below the transmission device 3.

（肩揃え装置）
肩揃え装置４０は、図４に示す如く、引抜搬送装置４の下側で左右にベルト支持フレーム１５，１５を機体フレーム２２に取り付け、このベルト支持フレーム１５，１５のそれぞれ前後上側に挟みベルト１８を巻き掛ける前後プーリ１６，１７を軸支し、挟みベルト１８の周回内側を外側のテンションプーリ２２と内側の二個のガイドプーリ２０ａ，２０ｂで張圧している。 (Shoulder alignment device)
As shown in FIG. 4, the shoulder aligning device 40 attaches the belt support frames 15 and 15 to the left and right sides of the pull-out transport device 4 on the left and right sides of the machine frame 22, and sandwiches the belt support frames 15 and 15 on the front and rear upper sides, respectively. The front and rear pulleys 16 and 17 around which the belt is wound are pivotally supported, and the inner circumference of the sandwiching belt 18 is tensioned by the outer tension pulley 22 and the inner two guide pulleys 20a and 20b.

二個のガイドプーリ２０ａ，２０ｂは、内外に調整可能な調整ブラケット１９に軸支して、左右の挟みベルト１８の外周面で通過間隔を形成している。図５に示すように、調整ブラケット１９は前後二か所を調整ブラケット１９を貫通するボルト２５でベルト支持フレーム１５側の三個の取付穴２３ａ，２３ｂ，２３ｃのどれかに通して固定する。三個の取付穴２３ａ，２３ｂ，２３ｃは並び方向を左右方向に対して前後に傾けているので、ガイドプーリ２０ａ，２０ｂが横に押されてもボルト２５が穴の円弧部に掛って移動しない。また、三個の取付穴２３ａ，２３ｂ，２３ｃは、図６に示すように、一部が重なって開けられ、ボルト２５を外すことなく調整ブラケット１９を内外横方向に移動可能である。 The two guide pulleys 20a and 20b are pivotally supported by an adjustment bracket 19 that can be adjusted inside and outside, and a passing interval is formed on the outer peripheral surfaces of the left and right sandwiching belts 18. As shown in FIG. 5, the adjustment bracket 19 is fixed at two front and rear positions with bolts 25 penetrating the adjustment bracket 19 through any of the three mounting holes 23a, 23b, 23c on the belt support frame 15 side. Since the three mounting holes 23a, 23b, and 23c are arranged in a direction tilted back and forth with respect to the left-right direction, the bolt 25 does not move by hanging on the arc portion of the hole even if the guide pulleys 20a, 20b are pushed sideways. .. Further, as shown in FIG. 6, the three mounting holes 23a, 23b, and 23c are partially opened so that the adjusting bracket 19 can be moved in the lateral direction inside and outside without removing the bolt 25.

また、図７の如く、挟みベルト１８を巻き掛けた前プーリ１７の下プーリ片１７ａの下面に外径が前プーリ１７の外径より大きなゴムやスポンジ材の軟質円盤２７を張り付け、根菜類の肩が直接下プーリ片１７ａに当たって損傷するのを防いでいる。なお、下プーリ片１７ａの外周縁に丸みを持たせたり丸い膨らみを持たせたり、図８の如く前プーリ１６の下プーリ片１６ａの外周縁１６ａｓを先に向かって傾斜させることで根菜類の肩から遠ざけても良い。 Further, as shown in FIG. 7, a soft disk 27 made of rubber or sponge whose outer diameter is larger than the outer diameter of the front pulley 17 is attached to the lower surface of the lower pulley piece 17a of the front pulley 17 around which the sandwiching belt 18 is wound. It prevents the shoulder from directly hitting the lower pulley piece 17a and being damaged. The outer peripheral edge of the lower pulley piece 17a may be rounded or bulged, or the outer peripheral edge 16as of the lower pulley piece 16a of the front pulley 16 may be tilted forward as shown in FIG. You may keep it away from your shoulders.

（上下回動支持部）
上下回動支持部７は、図１に示すように、引抜搬送装置４の左右の周回支持フレーム４ｂ，４ｂにその搬送域を跨いで連結補強部材７ｃを取付け、左右の掻込装置８，８の背面に取付けた左右の上下回動アーム８ｃ，８ｃの後端を連結補強部材７ｃの左右の基部に軸支する。左右の上下回動アーム８ｃ，８ｃは、引抜搬送装置４の全幅内で上下回動可能に構成すると共に、これら左右の上下回動アーム８ｃ，８ｃを一体に連結する連結部材８ｄを茎葉部の搬送域を跨いで構成する。 (Up and down rotation support part)
As shown in FIG. 1, the vertical rotation support portion 7 is attached to the left and right orbital support frames 4b and 4b of the pull-out transport device 4 so as to straddle the transport area, and the left and right scraping devices 8 and 8 are attached. The rear ends of the left and right vertically rotating arms 8c and 8c attached to the back surface of the connecting reinforcing member 7c are pivotally supported by the left and right bases of the connecting reinforcing member 7c. The left and right vertical rotation arms 8c and 8c are configured to be vertically rotatable within the entire width of the pull-out transfer device 4, and a connecting member 8d for integrally connecting the left and right vertical rotation arms 8c and 8c is attached to the foliage portion. It is configured to straddle the transport area.

また、連結補強部材７ｃの上部でハンドル７ｂの操作その他によって前後動作可能な、またはコンパクトな伸縮式構成の上下調節アクチュエータ７ａを回動可能に支持し、この上下調節アクチュエータ７ａを連結部材８ｄと連結して左右の掻込装置８，８の保持高さを調節可能に、引抜搬送装置４の搬送域の左側方に構成する。 Further, a vertically adjusting actuator 7a having a compact telescopic structure that can be moved back and forth by operating the handle 7b or the like is rotatably supported on the upper portion of the connecting reinforcing member 7c, and the vertically adjusting actuator 7a is connected to the connecting member 8d. Then, the holding heights of the left and right scraping devices 8 and 8 can be adjusted, and the pull-out transfer device 4 is configured on the left side of the transfer area.

上記構成の上下回動支持部７は、茎葉搬送域を跨ぐ連結部材８ｄによって左右の上下回動アーム８ｃ，８ｃを一体連結することにより、茎葉搬送域を確保しつつ、引抜搬送装置４や掻込装置８，８の剛性確保によって耐久性の向上を図ることができる。また、上下調節アクチュエータ７ａを引抜搬送装置４の搬送域の左側方に配置することにより、茎葉部の搬送域が確保されるので、茎葉部の挟み込みによる上下調節アクチュエータ７ａの破損を防止することができる。 The vertical rotation support portion 7 having the above configuration integrally connects the left and right vertical rotation arms 8c and 8c with a connecting member 8d straddling the foliage transport area, thereby securing the foliage transport area and the pull-out transport device 4 and scratching. Durability can be improved by ensuring the rigidity of the loading devices 8 and 8. Further, by arranging the vertical adjustment actuator 7a on the left side of the transport area of the pull-out transport device 4, the transport area of the foliage portion is secured, so that the vertical adjustment actuator 7a can be prevented from being damaged due to the pinching of the foliage portion. can.

（スライド支持部）
上下調節アクチュエータ７ａは、スライド支持部材７ｄによって前後移動可能に支持するとともに、左右の掻込装置８，８の下降限度を定める移動規制部材７ｅを連結補強部材７ｃに設ける。 (Slide support)
The vertical adjustment actuator 7a is supported by a slide support member 7d so as to be movable back and forth, and a movement restricting member 7e that determines a lowering limit of the left and right scraping devices 8 and 8 is provided on the connecting reinforcing member 7c.

このように上下調節アクチュエータ７ａをスライド支持することにより、左右の引起装置９，９または左右の掻込装置８，８が圃場の凸部等によって押上げられると、スライド支持部材７ｄによって前後移動することから、押上げによる負荷が上下調節アクチュエータ７ａに作用することが防止される。 By sliding-supporting the vertical adjustment actuator 7a in this way, when the left and right raising devices 9 and 9 or the left and right scraping devices 8 and 8 are pushed up by the convex portion of the field or the like, the slide supporting member 7d moves back and forth. Therefore, it is prevented that the load due to the push-up acts on the vertical adjustment actuator 7a.

また、スライド支持部材７ｄの移動規制部材７ｅにより、左右の掻込装置８，８の保持高さが下降限度内に規制されることから、圃場の凸部の通過後において、引起装置９，９や掻込装置８，８の過大な下降による破損を防止することができる。 Further, since the holding heights of the left and right scraping devices 8 and 8 are regulated within the lowering limit by the movement restricting member 7e of the slide support member 7d, the raising devices 9 and 9 are restricted after passing through the convex portion of the field. It is possible to prevent damage to the scraping devices 8 and 8 due to excessive descent.

（引起装置と掻込装置）
機体前端部の左右の引起装置９，９は、機体前方に突出して作物の茎葉部を引起す引起部材である複数のラグ９ａ，…を周回支持部９ｂによってそれぞれ周回可能に支持し、また、左右の引起装置９，９の後に続く左右の掻込装置８，８は、機体側方に突出して作物の茎葉部を掻込む掻込部材である複数のラグ８ａ，…を周回支持部８ｂによってそれぞれ周回可能に支持する。 (Pulling device and scraping device)
The left and right raising devices 9 and 9 at the front end of the machine body support a plurality of lugs 9a, ... The left and right scraping devices 8 and 8 following the left and right raising devices 9 and 9 have a plurality of lugs 8a, ... Support each so that it can be lapped.

左右の引起装置９，９と左右の掻込装置８，８は、異なる長さのラグを備え、引起装置９には、分草性の向上と掻込装置８に近接して引継ぎのために、短くて腰の強いタイプで前後長を短く形成し、掻込装置８には、作物に触れても傷を付けないように長く腰の弱いラグを用いる。左右の引起装置９，９それぞれの周回支持部９ｂの内面壁は、途切れることなく延ばして左右それぞれ掻込装置８，８と連結する。 The left and right pulling devices 9 and 9 and the left and right scraping devices 8 and 8 are provided with lugs of different lengths, and the pulling device 9 is provided for improving weedability and for taking over in close proximity to the scraping device 8. , A short and strong type with a short front and back length, and a long and weak rug is used for the scraping device 8 so as not to damage the crop even if it touches the crop. The inner wall of each of the left and right raising devices 9 and 9 is extended without interruption and connected to the left and right scraping devices 8 and 8, respectively.

左右の引起装置９，９および左右の掻込装置８，８の伝動は、左右それぞれの側について前後伝動ケース１２を設けて前後に伝動連結し、また、左右の引起装置９，９の上部を互いに伝動連結する引起連結ケース１３を設けて左右一体に連結構成して左右の掻込装置８，８と左右の引起装置９，９とを一体に構成する。 For the transmission of the left and right raising devices 9 and 9 and the left and right scraping devices 8 and 8, the front and rear transmission cases 12 are provided on each of the left and right sides to transmit and connect the front and rear, and the upper parts of the left and right raising devices 9 and 9 are connected. A pulling connection case 13 that is transmitted and connected to each other is provided and is integrally connected to the left and right, and the left and right scraping devices 8 and 8 and the left and right raising devices 9 and 9 are integrally formed.

また、左右の掻込装置８，８の一方の背面側に、引抜搬送装置４の片側方の中継伝動ケース１０から上下位置可変に伝動する入力軸１１を介して伝動し、この入力軸１１を介して左右の掻込装置８，８および左右の引起装置９，９に一括伝動する。 Further, the input shaft 11 is transmitted to the back side of one of the left and right scraping devices 8 and 8 via an input shaft 11 that is variably transmitted in a vertical position from a relay transmission case 10 on one side of the pull-out transfer device 4. Through this, the left and right scraping devices 8 and 8 and the left and right raising devices 9 and 9 are collectively transmitted.

上記構成の伝動系により、左右一側の掻込装置８及び引起装置９から機体前端部の引起連結ケース１３を経由して左右他側の掻込装置８及び引起装置９に至る簡潔な伝動構成によって茎葉部の引起しと掻込みができるので、部品点数の削減による軽量化およびメンテナンス性が向上する。 With the transmission system having the above configuration, a simple transmission configuration from the scraping device 8 and the pulling device 9 on the left and right sides to the scraping device 8 and the pulling device 9 on the other left and right sides via the pulling connection case 13 at the front end of the machine body. Since the foliage can be raised and scraped, the weight can be reduced and the maintainability can be improved by reducing the number of parts.

また、引抜搬送装置４の片側方の中継伝動ケース１０から入力軸１１が機体側方に突出することなく同側配置の掻込装置８の背面側に上下位置可変に伝動することができるので、機体の左右幅のコンパクト化が可能となる。また、右側の掻込装置８の後面部にゲージ輪３５を隠すように配置することにより、機体幅を低減することができる。 Further, since the input shaft 11 can be variably transmitted vertically from the relay transmission case 10 on one side of the pull-out transfer device 4 to the back side of the suction device 8 arranged on the same side without protruding to the side of the machine body. The left and right width of the aircraft can be made compact. Further, the width of the machine body can be reduced by arranging the gauge ring 35 so as to hide it on the rear surface of the scraping device 8 on the right side.

左右の引起装置９，９は、上部間を引起連結ケース１３によって互いに伝動連結することにより、左右の引起装置９，９が茎葉部を引起しつつ、その高さの範囲内で茎葉通過域が確保され、掻込装置８が茎葉部を左右から掻込んで引抜搬送装置４に至ることから、確実な引抜きによって効率よく引抜き走行することができる。 The left and right raising devices 9 and 9 are transmitted and connected to each other by the raising connection case 13 between the upper parts, so that the left and right raising devices 9 and 9 raise the foliage portion and the foliage passing area is within the range of the height. Since it is secured and the scraping device 8 scrapes the foliage portion from the left and right to reach the pull-out transport device 4, the pull-out traveling can be efficiently performed by reliable pull-out.

中継伝動ケース１０および上下調節アクチュエータ７ａは、排葉ガイド６の排出方向の逆側に配置することにより、排出された茎葉部が風等によって飛び散っても引っ掛かりにくくなるので、茎葉部の除去作業が低減されて作業能率を向上することができる。また、中継伝動ケース１０は、チェーンケースのスプロケット交換によって引起しの速度変更が可能となり、また、外側に動力の出力軸を設けることにより、ＰＴＯとして使用することができ、外装カバーは切欠きを形成することにより、着脱性を確保することができる。 By arranging the relay transmission case 10 and the vertical adjustment actuator 7a on the opposite side of the discharge direction of the leaf discharge guide 6, the discharged foliage portion is less likely to be caught even if it is scattered by wind or the like, so that the foliage portion can be removed. It can be reduced and work efficiency can be improved. Further, the relay transmission case 10 can be raised at a speed of change by exchanging the sprocket of the chain case, and can be used as a PTO by providing a power output shaft on the outside, and the exterior cover has a notch. By forming it, the detachability can be ensured.

また、左右の掻込装置８，８と左右の引起装置９，９を左右それぞれの側で伝動連結する左右の前後伝動ケース１２，１２は、左右の掻込部材８ａ，８ａの外側端間Ｗ１の範囲内に構成するとともに、左右の掻込装置８，８の機体左右方向の突出量を抑えることによって機体幅を抑えることができるので、収穫中の作物条に隣接する作物との接触を防止することができるので、接触の傷による作物の商品価値の低下を防止することができる。 Further, the left and right front-rear transmission cases 12 and 12 that transmit and connect the left and right scraping devices 8 and 8 and the left and right raising devices 9 and 9 on the left and right sides are W1 between the outer ends of the left and right scraping members 8a and 8a. The width of the machine can be suppressed by suppressing the amount of protrusion of the left and right scraping devices 8 and 8 in the left-right direction, thus preventing contact with crops adjacent to the crop strip during harvesting. Therefore, it is possible to prevent a decrease in the commercial value of the crop due to contact scratches.

また、左右の前後伝動ケース１２，１２に内設の伝動軸は、左右の引起装置９，９の伝動軸に差込式に構成することにより、メンテナンス性を確保することができる。 Further, the transmission shafts built in the left and right front-rear transmission cases 12 and 12 are configured to be plugged into the transmission shafts of the left and right raising devices 9 and 9, so that maintainability can be ensured.

左右の掻込装置８，８は、左右の引起装置９，９の内側端間Ｗ２を避けて左右の掻込部材８ａ，８ａの周回支持部８ｂ，８ｂを配置することにより、作物が掻込装置８，８に接触することがないので、接触の傷による作物の商品価値の低下を防止することができる。 In the left and right scraping devices 8 and 8, the crops are scraped by arranging the circumferential support portions 8b and 8b of the left and right scraping members 8a and 8a while avoiding the inner ends W2 of the left and right raising devices 9 and 9. Since it does not come into contact with the devices 8 and 8, it is possible to prevent a decrease in the commercial value of the crop due to contact scratches.

また、左右の掻込部材８ａ，８ａを左右に離間することにより、左右の掻込部材８ａ，８ａによる作物の挟み込みを防止できるので、挟み込みの傷による作物の商品価値の低下を防止することができる。 Further, by separating the left and right scraping members 8a and 8a to the left and right, it is possible to prevent the crops from being pinched by the left and right scraping members 8a and 8a, so that it is possible to prevent the commercial value of the crop from being lowered due to the scratches of the sandwiching. can.

（ソイラ）
引抜搬送装置４の先端右側には、機体フレーム２２から圃場面に突き刺して走行に伴って根菜類の根近くを解して引き抜き易くするソイラ３０を設けている。 (Sora)
On the right side of the tip of the pull-out transfer device 4, a soyra 30 is provided which pierces the field scene from the machine frame 22 to loosen the root vegetables near the roots and make it easier to pull out as the vehicle travels.

図９、図１０に示すように、ソイラ取付ブラケット３１は直刃状のソイラ３０を下から差し込むソイラ取付部３１ａを有し、機体フレーム２２の水平下面２２ａにボルト４１で取り付け、さらに機体フレーム２２の垂直側面２２ｂにボルト４２に取り付けて、ソイラ３０に加わる圃場からの反力を機体フレーム２２の水平下面２２ａと垂直側面２２ｂで受けるようにしている。ソイラ取付部３１ａは上下に複数の取付穴３４ａ，３４ｂ，３４ｃとバネ３３で差し込み付勢するロックピン３２を設け、ソイラ３０の土中差し込み深さを変更出来、ソイラ３０を使用しない場合には後方からソイラ取付部３１ａに差し込んで水平に保持できるようにしている。また、ソイラ取付ブラケット３１の側面は後方に傾斜して、側面視でソイラ３０の一部が見えて収納されていることを確認出来るようにしている。 As shown in FIGS. 9 and 10, the soyra mounting bracket 31 has a soyra mounting portion 31a into which a straight blade-shaped soyra 30 is inserted from below, and is attached to the horizontal lower surface 22a of the machine frame 22 with bolts 41, and further mounted on the body frame 22. The bolt 42 is attached to the vertical side surface 22b of the airframe so that the reaction force from the field applied to the soyra 30 is received by the horizontal lower surface 22a and the vertical side surface 22b of the machine frame 22. The soiler mounting portion 31a is provided with a plurality of mounting holes 34a, 34b, 34c and a lock pin 32 that is inserted and urged by a spring 33 at the top and bottom, and the soil insertion depth of the soiler 30 can be changed. It is inserted into the soil mounting portion 31a from the rear so that it can be held horizontally. Further, the side surface of the soyra mounting bracket 31 is inclined rearward so that a part of the soyra 30 can be seen and stored in the side view.

図１〜図３に示す肩部挟み込み装置４Ｚついて説明する。 The shoulder sandwiching device 4Z shown in FIGS. 1 to 3 will be described.

根菜類の茎葉部より下方の肩部を掴む肩部挟み込み装置４Ｚを引抜搬送装置４の搬送方向上手側の下方に固定されている。また、肩部挟み込み装置４Ｚは、引抜搬送装置４の前部に、左右の相込み装置８，８及びその前側の左右の引起装置９，９の下方で且つ、左右の相込み装置８，８より前側に配置している。 The shoulder sandwiching device 4Z that grips the shoulder below the foliage of the root vegetables is fixed below the pull-out transport device 4 on the upper side in the transport direction. Further, the shoulder sandwiching device 4Z is located in the front part of the pull-out transfer device 4, below the left and right interleaving devices 8 and 8 and the left and right pulling devices 9 and 9 on the front side thereof, and on the left and right interleaving devices 8 and 8. It is placed on the front side.

肩部挟み込み装置４Ｚには、肩部を掴む左右のベルト４Ｚａ，４Ｚａが設けられている。この左右のベルトの表面は、軟質のスポンジゴムとし、根菜類の肩部をしっかりと把持することができる。 The shoulder sandwiching device 4Z is provided with left and right belts 4Za and 4Za for gripping the shoulder portion. The surfaces of the left and right belts are made of soft sponge rubber so that the shoulders of root vegetables can be firmly gripped.

また、肩部挟み込み装置４Ｚの動力の入力は、引抜搬送装置４のプーリ４ｋから入力されている。肩部挟み込み装置４Ｚと引抜搬送装置４の速度は同じ速度とした。また、肩部挟み込み装置４Ｚとプーリ４ｋはユニバーサルジョイントで連結している。尚、肩部挟み込み装置４Ｚの引き抜き角度は引抜搬送装置４より垂直方向に角度をつけている。よって垂直方向の引き抜き力が上がる。 Further, the power input of the shoulder sandwiching device 4Z is input from the pulley 4k of the pull-out transfer device 4. The speeds of the shoulder pinching device 4Z and the pull-out transfer device 4 were the same. Further, the shoulder sandwiching device 4Z and the pulley 4k are connected by a universal joint. The pull-out angle of the shoulder sandwiching device 4Z is perpendicular to that of the pull-out transport device 4. Therefore, the pulling force in the vertical direction increases.

また、肩部を掴む左右のベルト４Ｚａ，４Ｚａの隙間は根菜類の径よりも小さい（約２０ｍｍ〜３０ｍｍ）とする。 Further, the gap between the left and right belts 4Za and 4Za that grip the shoulder portion is smaller than the diameter of the root vegetables (about 20 mm to 30 mm).

肩部挟み込み装置４Ｚは搬送方向上手から下手に掛けて隙間が狭くなり下手側に行くにしたがって引き抜き力が強くすることができる。また、肩部挟み込み装置４Ｚ根菜類の肩部を把持しながら茎葉を引抜搬送装置４で掴むため、収穫物を安定した姿勢で搬送することができる。 The shoulder pinching device 4Z can be applied from the upper side to the lower side in the transport direction to narrow the gap, and the pulling force can be increased toward the lower side. Further, since the foliage is grasped by the pull-out transport device 4 while gripping the shoulder portion of the shoulder sandwiching device 4Z root vegetables, the harvested product can be transported in a stable posture.

また、肩部を挟む左右のベルト４Ｚａ，４Ｚａの太さはヘタを切る高さ以下とする。 In addition, the thickness of the left and right belts 4Za and 4Za that sandwich the shoulder portion shall be less than or equal to the height at which the calyx is cut.

また、引抜搬送装置４の前部が左右の相込み装置８，８及びその前側の左右の引起装置９，９の下方に位置する構成としても良い。 Further, the front portion of the pull-out transfer device 4 may be located below the left and right interlocking devices 8 and 8 and the left and right pull-up devices 9 and 9 on the front side thereof.

上述した構成により、根菜類の茎葉を挟持すると共に、茎葉部より下方の肩部も支持して引き抜き搬送することで、安定した姿勢で根菜類を引き抜くことが出来るため、引き抜き中に茎葉が切れたり収穫物が折れて商品にならないことを防止する。 With the above-mentioned configuration, the root vegetables can be pulled out in a stable posture by sandwiching the foliage of the root vegetables and also supporting the shoulder part below the foliage and transporting the root vegetables, so that the foliage is cut during the pulling out. Prevents the harvest from breaking and not becoming a commercial product.

４引抜搬送装置
４ａ，４ａ左右の第一搬送部材
４Ｚ肩部挟み込み装置
４Ｚａ，4Ｚａ左右の第二搬送部材
４ｋ前端部の駆動プーリ
５茎葉切断装置
８，８左右の相込み装置
９，９左右の引起装置
４０肩揃え装置 4 Pull-out transfer device 4a, 4a Left and right first transfer members 4Z Shoulder pinch device 4Za, 4Z Left and right second transfer members 4k Front end drive pulley 5 Stem and leaf cutting device 8, 8 Left and right interlocking devices 9, 9 Left and right Raiser 40 Shoulder alignment device

Claims

根菜類の茎葉を挟持して引き抜く引抜搬送装置（４）と、該引抜搬送装置（４）の下方で引き抜く根菜類の肩位置を揃える肩揃え装置（４０）と、該肩揃え装置（４０）の後部で茎葉先端を切り落とす茎葉切断装置（５）を設けた作物引抜機において、
圃場面に広がる収穫物の下葉をまとめて前記引抜搬送装置（４）に渡す、左右の相込み装置（８，８）及びその前側の左右の引起装置（９，９）を設け、前記引抜搬送装置（４）の前部に、前記左右の相込み装置（８，８）と、その前側の左右の引起装置（９，９）の下方に位置する肩部挟み込み装置（４Ｚ）を設け、根菜類の茎葉部より下方を挟持して引き抜く構成とし、
前記肩部挟み込み装置（４Ｚ）の前端部は、前記左右の相込み装置（８，８）より前側に配置し、前記引抜搬送装置（４）に、茎葉部を挟持して作物を引き抜き搬送する左右の第一搬送部材（４ａ，４ａ）を設け、前記肩部挟み込み装置（４Ｚ）に、茎葉部より下方を挟持して引き抜き搬送する左右の第二搬送部材（４Ｚａ，4Ｚａ）を設け、前記左右の第一搬送部材（４ａ，４ａ）より前記左右の第二搬送部材（４Ｚａ，4Ｚａ）は軟質であることを特徴とする作物引抜機。 A pull-out transport device (4) for sandwiching and pulling out the foliage of root vegetables, a shoulder aligning device (40) for aligning the shoulder positions of the root vegetables to be pulled out below the pull-out transport device (4), and the shoulder aligning device (40). In a crop extraction machine provided with a foliage cutting device (5) that cuts off the tip of foliage at the rear part.
The left and right interleaving devices (8, 8) and the left and right pulling devices (9, 9) on the front side thereof are provided to collectively pass the lower leaves of the harvested product spreading in the field to the pulling and transporting device (4), and the pulling out is performed. A shoulder sandwiching device (4Z) located below the left and right interlocking devices (8, 8) and the left and right pulling devices (9, 9) on the front side thereof is provided at the front of the transport device (4). The structure is such that the root vegetables are pulled out by sandwiching them below the foliage.
The front end portion of the shoulder sandwiching device (4Z) is arranged in front of the left and right interlocking devices (8, 8), and the foliage portion is sandwiched between the pull-out transport device (4) to pull out and transport the crop. The left and right first transport members (4a, 4a) are provided, and the shoulder sandwiching device (4Z) is provided with the left and right second transport members (4Za, 4Za) that are pulled out and transported by sandwiching the lower part from the foliage portion. A crop extraction machine characterized in that the left and right second transport members (4Za, 4Za) are softer than the left and right first transport members (4a, 4a).

前記肩部挟み込み装置（４Ｚ）は、前記引抜搬送装置（４）前端部の駆動プーリ（４ｋ）から動力を伝達され、前記肩部挟み込み装置（４Ｚ）の搬送方向下手側に向かって、挟持幅が狭くなることを特徴とする請求項１に記載の作物引抜機。 The shoulder pinching device (4Z) receives power from the drive pulley (4k) at the front end of the pull-out transport device (4), and has a pinching width toward the lower side in the transport direction of the shoulder pinching device (4Z). The crop extraction machine according to claim 1, wherein the crop is narrowed.