JP2011147356A - Seeding apparatus - Google Patents

Seeding apparatus Download PDF

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JP2011147356A
JP2011147356A JP2010009230A JP2010009230A JP2011147356A JP 2011147356 A JP2011147356 A JP 2011147356A JP 2010009230 A JP2010009230 A JP 2010009230A JP 2010009230 A JP2010009230 A JP 2010009230A JP 2011147356 A JP2011147356 A JP 2011147356A
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seeds
feeding
seeding
seed
rotary body
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JP5526800B2 (en
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Masaru Nomura
野村  勝
Satoru Kato
哲 加藤
Manabu Takahashi
学 高橋
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a seeding apparatus which can prevent that seeds are washed out with muddy water to reduce the amount of seeding, can prevent the scattering of the seeds in a releasing cylinder, and hardly peels the coatings of the seeds. <P>SOLUTION: The seedling apparatus which is manufactured by disposing a seeding device for seeding seeds stored in a seed tank on a field behind a travel vehicle body through a lifting or lowering link device, disposing a releasing cylinder 90 under the seed tank in a communicated state, and rotatably disposing a delivery rotator 88 for delivering seeds in a seed delivery portion below the seed tank and above the releasing cylinder 90, and seeding the seeds delivered from the delivery rotator 88 on a field through a delivery passage 117 in the releasing cylinder 90, is characterized by disposing a mud-removing member 110 for preventing the invasion of mud and the like into the delivery rotator 88 in the releasing cylinder 90 and under the delivery rotator 88, and disposing projections 111a, 111b for controlling the movements of the seeds delivered from the delivery rotator 88 in the right and left directions of the machine frame on the mud-removing member 110. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

本発明は、籾等の種子を圃場に播種する播種作業機の播種装置に関する。   The present invention relates to a sowing apparatus for a sowing work machine for sowing seeds such as cocoons in a field.

従来の技術として、例えば、特開2009−201359号公報に記載の構成がある。
この播種作業機の播種装置は、種子タンク内の種子を繰出しロールで所定量ずつ放出筒内に放出し、エアーとともに種子を圃場の溝に吹き付けて播種している。
As a conventional technique, for example, there is a configuration described in Japanese Patent Application Laid-Open No. 2009-201359.
The seeding device of this seeding machine discharges seeds in a seed tank into a discharge cylinder by a predetermined amount by a feed roll, and sprays the seeds together with air into a groove in the field for seeding.

特開2009−201359号公報JP 2009-201359 A

前記従来の播種装置は、繰出しロールが放出筒の上部に設けられてこの繰出しロールから直接放出筒に種子を落下するようにしていたために、放出筒の下端放出口から泥水が跳ね上がって繰出しロールに泥が付着し、繰出しロールの種子繰出量が減少したり、放出筒から放出される種子が圃場の播種溝外に飛散したり、繰出しロールの繰出部でコーティング種子のコーティング剤が剥がれたりする等の問題点があった。   In the conventional seeding device, the feeding roll is provided at the upper part of the discharge cylinder so that the seeds fall directly from the supply roll to the discharge cylinder, so that the muddy water jumps up from the lower end discharge port of the discharge cylinder to the feeding roll. Mud adheres, seed feeding amount of the feeding roll decreases, seeds released from the discharge cylinder scatter out of the seeding groove in the field, and coating seed coating agent peels off at the feeding part of the feeding roll, etc. There was a problem.

そこで、本発明では、泥水による播種量の減少を防止し、放出筒内での種子散乱を防ぎ、コーティング種子のコーティング剤が剥がれ難くした播種装置を提供することを課題とする。   Therefore, an object of the present invention is to provide a seeding device that prevents a decrease in seeding amount due to muddy water, prevents seed scattering in the discharge cylinder, and prevents the coating agent of the coated seeds from peeling off.

上記本発明の課題は、次の技術手段により解決される。
請求項1に記載の発明は、種子タンク(85)に貯留した種子を圃場に播種する播種装置(82)を走行車体(2)の後部に昇降リンク装置(3)を介して設け、該種子タンク(85)の下部に放出筒(90)を連通し、該種子タンク(85)の下方で且つ放出筒(90)の上部の種子繰出し部(87)に種子を繰り出す繰出し回転体(88)を回転可能に設け、該繰出し回転体(88)から繰り出される種子を放出筒(90)内の繰出し通路(117)を経由して圃場に播種する播種装置において、前記放出筒(90)の内側で且つ繰出し回転体(88)の下方に繰出し回転体(88)への泥等の侵入を防止する泥除け部材(110)を設け、該泥除け部材(110)の上部に前記繰出し回転体(88)から繰り出された種子の機体左右方向への移動を規制する突起体(111a,111b)を設けたことを特徴とする播種装置とした。
The problems of the present invention are solved by the following technical means.
According to the first aspect of the present invention, a seeding device (82) for seeding seeds stored in a seed tank (85) in a field is provided at a rear portion of a traveling vehicle body (2) via an elevating link device (3). The discharge cylinder (90) communicates with the lower part of the tank (85), and the feeding rotary body (88) feeds the seeds to the seed feeding part (87) below the seed tank (85) and at the upper part of the discharge cylinder (90). In a seeding device for seeding seeds fed from the feeding rotating body (88) in a field via a feeding passage (117) in the discharging cylinder (90), the inside of the discharging cylinder (90) Further, a mudguard member (110) for preventing mud etc. from entering the feeding rotator (88) is provided below the feeding rotator (88), and the feeding rotator (88) is provided above the mudguard member (110). Left and right sides of the seed Protrusions for restricting the movement of the (111a, 111b) that was provided was seeded apparatus according to claim.

請求項2に記載の発明は、前記繰出し回転体(88)の回転方向下手側に種子を案内する軟質材で構成するガイド部材(112)を設け、該ガイド部材(112)に複数の開口部(114)を形成し、該開口部(114)内にガイド部材(112)の撓みを抑える複数の支持線材(113)を設けたことを特徴とする請求項1記載の播種装置とする。   According to a second aspect of the present invention, a guide member (112) made of a soft material that guides seeds is provided on the lower side in the rotational direction of the feeding rotary body (88), and a plurality of openings are formed in the guide member (112). The seeding device according to claim 1, wherein a plurality of support wires (113) are formed in the opening (114) to suppress bending of the guide member (112).

請求項3に記載の発明は、前記繰出し回転体(88)から種子が散乱して落下することを防止する飛散防止体(115)を該繰り出し回転体(88)の回転方向下手側で且つガイド部材(112)の下方に設け、該飛散防止体(115)を回動自在に構成したことを特徴とする請求項2記載の播種装置とする。   According to a third aspect of the present invention, the anti-scattering body (115) for preventing seeds from scattering and falling from the feeding rotary body (88) is provided on the lower side in the rotational direction of the feeding rotary body (88) and as a guide. The seeding device according to claim 2, wherein the seeding device is provided below the member (112), and the scattering prevention body (115) is configured to be rotatable.

請求項1記載の発明は、繰出し回転体(88)の下方に泥除け部材(110)を設けたことにより、繰出し通路(117)から圃場に種子を播種する際に泥水が跳ね上がっても、泥除け部材(110)が繰出し回転体(88)や放出筒(90)の内部に付着することを防止でき、繰出し回転体(88)に泥が詰まって種子タンク(85)から供給される種子が保持されず、播種作業が停滞することや種子が所定量以上圃場に落下することが防止されるので、常に適切な量の種子が圃場に播種されるため、無駄な種子の量が減少すると共に、密植状態となり病害虫や風害により収穫量が減少することを防止できる。   The invention according to claim 1 is provided with a mudguard member (110) below the feeding rotary body (88), so that the mudguard member even if the muddy water jumps up when seeds are sowed from the feeding path (117) to the field. (110) can be prevented from adhering to the inside of the feeding rotator (88) and the discharge cylinder (90), and the feeding rotator (88) is clogged with mud and seeds supplied from the seed tank (85) are retained. Therefore, it is prevented that the sowing operation is stagnant and the seeds fall to the field more than a predetermined amount, so that an appropriate amount of seeds is always sown in the field. It is possible to prevent the yield from decreasing due to pests and wind damage.

そして、繰出し回転体(88)に付着した泥や夾雑物を取り除く作業を頻繁に行う必要がなくなり、メンテナンス性が向上する。
さらに、泥除け部材(110)の上部に突起体(111a,111b)を設けたことにより、種子が泥除け部材(110)と放出筒(90)の内壁の間に挟まって損傷することを防止できるので、傷付いた種子が播種されることが防止され、収穫量が維持される。
And it becomes unnecessary to perform the operation | work which removes the mud and the foreign material adhering to a delivery rotary body (88) frequently, and maintainability improves.
Furthermore, since the protrusions (111a, 111b) are provided on the upper portion of the mudguard member (110), seeds can be prevented from being caught and damaged between the mudguard member (110) and the inner wall of the discharge cylinder (90). The damaged seeds are prevented from being sown and the yield is maintained.

また、泥除け部材(110)上に滞留した種子が、繰出し回転体(88)の回転を妨げすることを防止できるので、播種のタイミングが狂うことが防止されて種子が生育に適切な位置で播種されると共に、繰出し回転体(88)が種子との接触の摩擦等で傷付くことが防止される。   In addition, since the seed staying on the mudguard member (110) can be prevented from obstructing the rotation of the feeding rotary body (88), the seeding timing is prevented from being out of order and the seed is seeded at an appropriate position for growth. In addition, the feeding rotary body (88) is prevented from being damaged by friction caused by contact with the seeds.

請求項2記載の発明は、請求項1記載の発明の効果に加えて、繰出し回転体(88)で保持された種子を繰出し位置(R)まで案内するガイド部材(112)を設けたことにより、繰出し位置(R)よりも手前で種子が落下することを防止できるので、種子が生育に適切な位置で播種される。   In addition to the effect of the invention described in claim 1, the invention described in claim 2 is provided with a guide member (112) for guiding the seed held by the feeding rotary body (88) to the feeding position (R). Since the seed can be prevented from falling before the feeding position (R), the seed is sown at a position suitable for growth.

また、ガイド部材(112)を軟質材で構成すると共に、ガイド部材(112)に複数の開口部(114)を形成したことにより、ガイド部材(112)は種子が接触すると屈曲するので種子が傷付くことを防止でき、傷付いた種子が播種されることが防止されて収穫量が維持される。   In addition, the guide member (112) is made of a soft material, and the guide member (112) is formed with a plurality of openings (114). It can be prevented from sticking, so that damaged seeds are prevented from being sown and the yield is maintained.

また、肥料や酸素供給剤、鳥害防止の金属粉等でコーティングした種子を用いる場合でも、ガイド部材(112)が屈曲しやすいことにより、接触時の摩擦でコーティング剤が種子から剥離し難くなるので、播種された種子を生育し易くすることができる。   Even when seeds coated with fertilizers, oxygen supply agents, bird damage prevention metal powders, etc. are used, the guide member (112) is easily bent so that it is difficult for the coating agent to peel from the seeds due to friction during contact. Therefore, it is possible to easily grow the seed sowed.

そして、開口部(114)内にガイド部材(112)の撓みを抑える複数の支持線材(113)を設けたことにより、ガイド部材(112)に種子が接触して撓んでも、種子が繰出し位置(R)から繰り出されると同時にガイド部材(112)を元の形状に戻す力がかかるため、ガイド部材(112)と繰出し回転体(88)との間に大きな隙間が生じて種子が落下することを防止でき、繰出し位置(R)よりも手前で種子が落下することがなく、種子が生育に適切な位置で播種される。   Then, by providing a plurality of support wires (113) for suppressing the bending of the guide member (112) in the opening (114), even if the seed comes into contact with the guide member (112) and is bent, the seed is extended. At the same time that the guide member (112) is fed out from (R), a force is applied to return the guide member (112) to its original shape, so that a large gap is generated between the guide member (112) and the feeding rotary body (88), and the seed falls. The seeds do not fall before the feeding position (R), and the seeds are sown at a position suitable for growth.

請求項3記載の発明は、請求項2記載の発明の効果に加えて、繰り出し回転体(88)の回転方向下手側で且つガイド部材(112)の下方に飛散防止体(115)を回動自在に設けたことにより、飛散防止体(115)が繰出し回転体(88)から放出される種子の遠心力を打ち消しながら繰出し通路(117)に落下させるので、常に適切な量の種子が圃場に播種されるため、無駄な種子の量が減少すると共に、密植状態となり病害虫や風害により収穫量が減少することを防止できる。   In addition to the effect of the invention of claim 2, the invention described in claim 3 rotates the anti-scattering body (115) on the lower side in the rotational direction of the feeding rotary body (88) and below the guide member (112). By providing it freely, the scattering prevention body (115) is dropped into the feeding passage (117) while canceling the centrifugal force of the seeds released from the feeding rotating body (88), so that an appropriate amount of seeds is always put in the field. Since the seeds are sown, the amount of wasted seeds is reduced, and it is possible to prevent the crops from being densely planted and the yield from being reduced due to pests and wind damage.

播種装置を装着した播種作業機の側面図Side view of a seeding machine equipped with a seeding device 播種装置の播種作業機への取付部の要部側面図Side view of the main part of the mounting part of the seeding device to the seeding machine (a) 繰出し回転体の斜視図 (b) 繰出し回転体の平面図 (c) 繰出し回転体の(b)のA−A線断面図 (d) (b)の矢印B方向から見た繰出し回転体の斜視図(A) Perspective view of feeding rotator (b) Plan view of feeding rotator (c) Cross-sectional view taken along line AA of (b) of feeding rotator (d) Feeding rotation viewed from arrow B direction in (b) Body perspective view (a) 別実施例の繰出し回転体の斜視図 (b) 別実施例の繰出し回転体の平面図 (c) 別実施例の繰出し回転体の(b)のA−A線断面図 (d) 別実施例の(b)の矢印B方向から見た繰出し回転体の斜視図(A) Perspective view of a feeding rotator of another embodiment (b) Plan view of a feeding rotator of another embodiment (c) Sectional view taken along line AA of (b) of a feeding rotator of another embodiment (d) The perspective view of the feeding rotation body seen from the arrow B direction of (b) of another Example 播種装置の要部の側面断面図Side sectional view of the main part of the seeding device 播種装置の要部の正面断面図。Front sectional drawing of the principal part of a sowing apparatus. 溝切り装置の側面図Side view of grooving device 溝切り装置の平面図Plan view of grooving device 溝切り装置の前端部の斜視図Perspective view of the front end of the grooving device 硬軟センサ検出結果による溝切り装置の昇降を示すブロック図Block diagram showing the elevation of the grooving device based on the detection result of the soft / soft sensor 硬軟センサ検出結果による溝切り装置の昇降を示すフローチャートFlow chart showing the elevation of the grooving device based on the detection result of the soft / soft sensor

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。
図1は、乗用四輪駆動走行形態の播種作業機を示し、走行車体2の後側に昇降リンク装置3を介して播種装置82を昇降可能に装着し、該走行車体2の後部上側に施肥装置5の本体部分を設ける。
Hereinafter, embodiments of the present invention will be described with reference to examples shown in the drawings.
FIG. 1 shows a sowing four-wheel drive sowing work machine, a sowing device 82 is mounted on the rear side of the traveling vehicle body 2 via a lifting link device 3 so as to be movable up and down, and fertilizer is applied on the rear upper side of the traveling vehicle body 2. A body portion of the device 5 is provided.

なお、本明細書では、播種作業機の前進方向に向って左右方向をそれぞれ左、右とし、前進方向を前、後進方向を後とする。
前記走行車体2には、機体の前部にミッションケース12を配置し、該ミッションケース12の左右側方に前輪ファイナルケース(図示せず)を設け、該前輪ファイナルケースの操向方向を変更する前輪支持部から外向きに突出する車軸に左右の前輪10,10を取り付ける。そして、前記ミッションケース12の背面部にメインフレーム15の前端部を固着し、該メインフレーム15の後部側で且つ左右方向の中央部に前後水平に設けた後輪ローリング軸(図示せず)を支点として左右の後輪ギアケース18,18をローリング自在に支持し、該左右の後輪ギアケース18,18から外向きに突出する車軸に左右の後輪11,11を取り付ける。
In the present specification, the left and right directions are set to the left and right, respectively, in the forward direction of the sowing work machine, the forward direction is the front, and the reverse direction is the rear.
In the traveling vehicle body 2, a transmission case 12 is disposed at the front of the airframe, a front wheel final case (not shown) is provided on the left and right sides of the transmission case 12, and the steering direction of the front wheel final case is changed. The left and right front wheels 10, 10 are attached to an axle projecting outward from the front wheel support. Then, a front end portion of the main frame 15 is fixed to the rear surface portion of the transmission case 12, and a rear wheel rolling shaft (not shown) provided on the rear side of the main frame 15 and horizontally in the center in the left-right direction is provided. The left and right rear wheel gear cases 18 and 18 are supported as a fulcrum in a freely rolling manner, and the left and right rear wheels 11 and 11 are attached to axles protruding outward from the left and right rear wheel gear cases 18 and 18.

原動機となるエンジン20はメインフレーム15の上に搭載されており、該エンジン20の回転動力が第一ベルト伝動装置21などを介して静油圧式変速装置(HST)とミッションケース12内のミッションに伝達される。ミッションケース12内のミッションに伝達された回転動力は、変速された後、走行動力と外部取出動力に分離して取り出される。   The engine 20 as a prime mover is mounted on the main frame 15, and the rotational power of the engine 20 is transmitted to the hydrostatic transmission (HST) and the mission in the transmission case 12 via the first belt transmission device 21 and the like. Communicated. The rotational power transmitted to the mission in the mission case 12 is shifted and then separated into traveling power and external power to be extracted.

そして、走行車体2の走行動力は、一部が前輪ファイナルケース(図示せず)に伝達されて前記左右の前輪10,10を駆動すると共に、残りが前記後輪ギヤケース18,18に伝達されて左右の後輪11,11を駆動する。また、外部取出動力は、カウンタ軸26を介して走行車体2の後部に設けた植付クラッチケース25に伝達され、図示しない施肥伝動機構によって施肥装置5へ伝動される。   A part of the traveling power of the traveling vehicle body 2 is transmitted to a front wheel final case (not shown) to drive the left and right front wheels 10 and 10, and the rest is transmitted to the rear wheel gear cases 18 and 18. The left and right rear wheels 11 are driven. Further, the external take-out power is transmitted to the planting clutch case 25 provided at the rear portion of the traveling vehicle body 2 via the counter shaft 26 and is transmitted to the fertilizer application device 5 by a fertilizer transmission mechanism (not shown).

また、該植付クラッチケース25内の植付クラッチからドライブシャフト28を介して動力が後述する播種装置82の伝動ケース29内の直播用クラッチに伝達される。そして、これら植付クラッチと直播クラッチは共に一方向クラッチとしている。   Further, power is transmitted from the planting clutch in the planting clutch case 25 via the drive shaft 28 to the direct seeding clutch in the transmission case 29 of the seeding device 82 described later. The planting clutch and the direct seeding clutch are both one-way clutches.

植付クラッチは、駆動側クラッチ体と従動側クラッチ体のクラッチ爪に傾斜面を備え、該傾斜面を滑らせて逆転伝動をさせない形態のクラッチである。直播用クラッチは、外周部に複数の伝動用ローラを備えるローラ型クラッチであり、一般的に市販されているものである。   The planting clutch is a clutch having a configuration in which the clutch claws of the drive side clutch body and the driven side clutch body are provided with inclined surfaces and the inclined surfaces are slid to prevent reverse transmission. The direct seeding clutch is a roller-type clutch having a plurality of transmission rollers on the outer peripheral portion, and is generally commercially available.

前記エンジン20の上部はエンジンカバー30で覆われており、その上に座席31が設置されている。該座席31の前方には各種操作機構を内蔵するボンネット32を配置し、該ボンネット32の上部に前記左右の前輪10,10を操向操作するハンドル34が設けられている。エンジンカバー30及びボンネット32の下端左右両側には、作業者が搭乗する水平状のフロアステップ35を配置する。   The upper part of the engine 20 is covered with an engine cover 30, and a seat 31 is installed thereon. A bonnet 32 incorporating various operation mechanisms is disposed in front of the seat 31, and a handle 34 for steering the left and right front wheels 10 is provided above the bonnet 32. On the left and right sides of the lower end of the engine cover 30 and the bonnet 32, horizontal floor steps 35 on which an operator gets on are arranged.

前記昇降リンク装置3は平行リンク構成であり、1本の上部リンク40と左右一対の下部リンク41,41を備えている。該上部リンク40及び左右の下部リンク41,41は、基部側を前記メインフレーム15の後端部に立設した背面視門形のリンクベースフレーム42に回動自在に取り付けると共に、先端部側に縦リンクフレーム43を連結している。そして、前記メインフレーム15に固着した支持部材(図示せず)と上部リンク40に一体形成したスイングアーム45の先端部の間に昇降油圧シリンダ46を設け、該シリンダ46を油圧で伸縮させることにより、上部リンク40が上下に回動し、播種装置82が略一定の姿勢のままで昇降する構成とする。   The elevating link device 3 has a parallel link configuration, and includes an upper link 40 and a pair of left and right lower links 41 and 41. The upper link 40 and the left and right lower links 41, 41 are pivotally attached to a rear-view portal-shaped link base frame 42 erected on the rear end of the main frame 15, and on the distal end side. The vertical link frame 43 is connected. A lifting hydraulic cylinder 46 is provided between a support member (not shown) fixed to the main frame 15 and the tip of a swing arm 45 formed integrally with the upper link 40, and the cylinder 46 is expanded and contracted by hydraulic pressure. The upper link 40 is rotated up and down, and the seeding device 82 moves up and down while maintaining a substantially constant posture.

前記播種装置82の下部には複数のフロート55…を設け、該フロート55…を圃場の泥水面に接地させた状態で機体を進行させると、フロート55…が泥水面を整地しつつ滑走し、その整地跡に播種装置82から種子が播種される。   A plurality of floats 55 are provided at the bottom of the seeding device 82, and when the aircraft is advanced in a state where the floats 55 are in contact with the muddy water surface of the farm field, the floats 55 slide while leveling the muddy water surface, Seeds are sown from the sowing device 82 on the ground level.

前記複数のフロート55…は圃場表土面の凹凸に応じて前端側が上下動するように回動自在に取り付け、直播作業時には該フロート55…の前部の上下動を上下動検出機構(図示せず)で検出し、該上下動検出機構の検出結果に合わせて前記昇降油圧シリンダ46を制御する油圧バルブを切り替えて、前記播種装置82を昇降させることにより、種子の播種深さを常に一定に維持する構成としたものであり、種子が水面に播種されて流されてしまうことや泥中に播種されて発芽できなくなることを防止できるので、種子が無駄になることや種子が流されて別の場所で密生してしまうことがなく、収穫物が病害虫等により生育途中で枯れてしまうことが防止される。   The plurality of floats 55 are pivotably attached so that the front end side moves up and down according to the unevenness of the field topsoil surface, and the vertical movement detection mechanism (not shown) detects the vertical movement of the front of the floats 55 during direct sowing work. ) And switching the hydraulic valve that controls the elevating hydraulic cylinder 46 in accordance with the detection result of the vertical movement detection mechanism, and raising and lowering the sowing device 82, the seed sowing depth is always maintained constant. It can prevent seeds from being sown and washed away on the surface of the water or seeding in mud and becoming unable to germinate. It is prevented from growing densely at the place, and the harvested product is prevented from withering during growth due to pests and the like.

前記施肥装置5は、肥料貯留タンク(粉粒体貯留タンク)60に貯留されている肥料(粉粒体)を走行車体2の左右方向に複数設けられた肥料繰出部(粉粒体繰出部)61…によって一定量づつ繰り出し、その肥料を図示しない施肥ホース(粉粒体移送ホース)でフロート55の左右両側に取り付けた施肥ガイド(図示せず)まで案内し、該施肥ガイドの前側に複数設けた播種用作溝器64で播種条の側部近傍に形成される施肥溝内に吐出する構成としている。   The fertilizer applicator 5 is a fertilizer feeding section (powder body feeding section) provided with a plurality of fertilizers (powder bodies) stored in a fertilizer storage tank (powder body storage tank) 60 in the left-right direction of the traveling vehicle body 2. 61... Are fed out by a certain amount, and the fertilizer is guided to a fertilizer guide (not shown) attached to both the left and right sides of the float 55 by a fertilizer hose (powder transfer hose) not shown, and a plurality of fertilizers are provided on the front side of the fertilizer guide The sowing groover 64 is configured to discharge into a fertilization groove formed near the side of the sowing line.

モータで駆動されるブロア(図示せず)で発生させた圧力風を左右方向に長いエアチャンバを経由して施肥ホース内に吹き込み、施肥ホース内の肥料を植付部側の肥料吐出口へ強制的に移送するようになっている。   Pressure air generated by a blower (not shown) driven by a motor is blown into the fertilizer hose via a long air chamber in the left-right direction, and the fertilizer in the fertilizer hose is forced to the fertilizer outlet on the planting side It is designed to be transferred.

また、前記フロート55…の前側には、整地用の左右一対の整地ロータ27a,27aと中央の整地ロータ27bを配置する。
図2に示すとおり、前記縦リンクフレーム43に着脱ヒッチ65を着脱自在に取り付け、該着脱ヒッチ65の基部側面に機体左右方向に伸びるロータフレーム76を設け、該ロータフレーム76に「く」の字型のリンクプレート67の中央部を回転自在に取り付ける。また、該リンクプレート67の上端部に上部リンクアーム68の一端部を回動自在に取り付け、リンクプレート67の下端部に下部リンクアーム69の一端部を回動自在に取り付ける。そして、該上部リンクアーム68の機体前後方向中央部には前記中央整地ロータ27aと一対の左右の整地ロータ27b,27bの昇降操作を行なうロータ昇降レバー81のジョイントアーム70と連結する連結ロッド71を設けることにより、ロータ昇降リンク66が構成される。該ロータ昇降リンク66は、小型の播種作業機の場合左右どちらかに一基設け、中型、大型の播種作業機の場合は左右夫々に設ける左右のロータ昇降リンク66,66とする。
Further, a pair of left and right leveling rotors 27a, 27a for leveling and a center leveling rotor 27b are arranged on the front side of the float 55.
As shown in FIG. 2, a detachable hitch 65 is detachably attached to the vertical link frame 43, and a rotor frame 76 extending in the left-right direction of the fuselage is provided on the base side surface of the detachable hitch 65. A central portion of the link plate 67 of the mold is rotatably attached. One end of the upper link arm 68 is rotatably attached to the upper end of the link plate 67, and one end of the lower link arm 69 is rotatably attached to the lower end of the link plate 67. A connecting rod 71 connected to the joint arm 70 of the rotor lifting lever 81 that moves up and down the central leveling rotor 27a and the pair of left and right leveling rotors 27b and 27b is provided at the center of the upper link arm 68 in the longitudinal direction of the machine body. By providing, the rotor elevating link 66 is configured. The rotor raising / lowering link 66 is provided on one side on either side in the case of a small sowing work machine, and left and right rotor raising / lowering links 66, 66 provided on the left and right in the case of a medium-sized or large seeding work machine.

さらに、前記下部リンクアーム69の他端部には機体下方に向かうロータ支持フレーム73の上下方向中央部を回動自在に連結し、該ロータ支持フレーム73の上端には楕円形の接続アーム74の一端を回動自在に連結し、該延設アーム74の他端部を上リンク68の他端部に回動自在に連結する。   Further, the other end portion of the lower link arm 69 is pivotally connected to the central portion in the vertical direction of the rotor support frame 73 that extends downward from the fuselage. An upper end of the rotor support frame 73 has an elliptical connection arm 74. One end is rotatably connected, and the other end of the extended arm 74 is rotatably connected to the other end of the upper link 68.

そして、前記ロータ支持フレーム73の下端部で且つ左右の整地ロータ27a,27aのどちらか一方の側部、或いは両側部に伝動ボックス(図示せず)を設け、該伝動ボックスに左右いずれか一側の後輪伝動ケース18からの動力を伝達する、図1に示す伝動軸78を配置する。   A transmission box (not shown) is provided on the lower end of the rotor support frame 73 and on either one or both sides of the left and right leveling rotors 27a, 27a, and either one of the left and right sides of the transmission box. A transmission shaft 78 shown in FIG. 1 for transmitting power from the rear wheel transmission case 18 is disposed.

また、前記フロート55…のうち、機体左右方向中央のフロート55の前方に配置される中央の整地ロータ27bは、機体左右両側に配置するフロート55…の前方に配置する左右の整地ロータ27a,27aよりも前方に配置し、チェーンやスプロケット等の伝動部材(図示せず)を収納した左右の伝動ケース56,56を介して中央の整地ロータ27bの駆動系に連結している。   Among the floats 55, the center leveling rotor 27b disposed in front of the float 55 at the center in the left-right direction of the machine body is provided with left and right leveling rotors 27a, 27a disposed in front of the floats 55 disposed on the left and right sides of the machine body. Further, it is connected to the drive system of the center leveling rotor 27b via the left and right transmission cases 56, 56 which are disposed further forward than the left and right and house the transmission members (not shown) such as chains and sprockets.

上記構成からなる整地ロータ昇降機構では、ロータ昇降レバー81を引っ張ると、上リンク68と下リンク69の各一端が、「く」字状部材67の回動中心軸であるロータフレーム76を中心に上動し、ロータ支持フレーム73と共に左右及び中央の整地ロータ27a,27a,27bが上昇するので、圃場の深浅や土質、作業時の天候等の様々な条件に合わせて左右及び中央の整地ロータ27a,27a,27bの上下位置を変更することができ、種子を播種する圃場面が適切に均されて播種された種子がその場で生育しやすくなる。   In the leveling rotor raising / lowering mechanism having the above-described configuration, when the rotor raising / lowering lever 81 is pulled, each end of the upper link 68 and the lower link 69 is centered on the rotor frame 76 which is the rotation center axis of the “<” shape member 67. The left and right and center leveling rotors 27a, 27a, and 27b are lifted together with the rotor support frame 73, so that the left and right and center leveling rotors 27a are adapted to various conditions such as the depth of the farm field, soil quality, and weather during work. , 27a, 27b can be changed, and the field scene where the seeds are sown is appropriately leveled, so that the sown seeds are easy to grow on the spot.

そして、前記縦リンクフレーム43の下部に左右及び中央の整地ロータ27a,27a,27bと播種装置82の左右傾斜角度を測定する水平センサ81aを設けたローリング軸96を取り付け、該水平センサ81aから発信される信号を受けると正転又は逆転して前記ローリング軸96を回動中心として後述する播種装置82の作業姿勢を圃場面と平行状態または略平行状態で保持するローリング用モータ(図示せず)を設ける。   And the rolling shaft 96 provided with the horizontal sensor 81a which measures the horizontal inclination angle of the right-and-left and center leveling rotor 27a, 27a, 27b and the sowing apparatus 82 to the lower part of the said vertical link frame 43 is attached, and it transmits from this horizontal sensor 81a. When the signal is received, a rolling motor (not shown) that normally or reversely rotates and holds the working posture of the seeding device 82, which will be described later, in a parallel state or a substantially parallel state with the rolling shaft 96 as a rotation center. Is provided.

上記構成により、播種作業機の左右で圃場の深さが異なる場合や、圃場の土質が柔らかく播種作業機の左右どちらか一方が沈む場合でも、播種装置82の作業姿勢を圃場面と平行状態または略平行状態で保持することができるため、圃場に真っ直ぐに種子が播種されるので、播種した種子が偏り収穫物が密生することが防止され、収穫物の生育が良好となる。   With the above configuration, even when the depth of the field is different on the left and right of the sowing work machine, or even when either the left or right of the sowing work machine sinks because the soil soil is soft, Since the seeds can be held in a substantially parallel state, the seeds are sown straight in the field, so that the sown seeds are biased to prevent the crops from growing densely and the growth of the crops is improved.

次に、播種装置82について説明する。
図1及び図5〜図7に示すとおり、縦リンクフレーム43の後部に播種伝動ケース29を設け、該播種伝動ケース29の後端部に播種フレーム33を上下回動自在に取り付ける。そして、該播種フレーム33の上部に種子を送り出す空気を送出するブロア86を播種フレーム33に基部側を取り付けた左右のブロア支持アーム86a,86aの上端部に取り付ける。また、播種フレーム33の基部側に後上り傾斜姿勢の補助フレーム33aを上下回動自在に取り付け、該補助フレーム33aの後端部に機体左右方向に延びる側面視L字形状の播種支持フレーム83を取り付ける。
Next, the sowing apparatus 82 will be described.
As shown in FIGS. 1 and 5 to 7, a seeding transmission case 29 is provided at the rear portion of the vertical link frame 43, and a seeding frame 33 is attached to the rear end portion of the seeding transmission case 29 so as to be rotatable up and down. Then, a blower 86 for sending air for sending seeds to the upper part of the sowing frame 33 is attached to the upper ends of the left and right blower support arms 86a, 86a attached to the sowing frame 33 at the base side. Also, an auxiliary frame 33a in a rearwardly inclined posture is attached to the base side of the sowing frame 33 so as to be rotatable up and down, and a sowing support frame 83 having an L shape in side view extending in the left-right direction of the machine body is attached to the rear end portion of the auxiliary frame 33a. Install.

そして、該播種支持フレーム83よりも機体後方で且つ上方に圃場に播種する籾等の種子を貯留する種子タンク85を設け、該種子タンク85の下部に種子を繰り出す種子繰出し部87を設け、該種子繰出し部87の前側を前記播種支持フレーム83の上部に載置する。さらに、該種子繰出し部87の内部にロール軸109を機体前側方向(図5に示す、反時計回り方向)に向かって一方向に回転可能に取り付け、該ロール軸109に種子タンク85から放出される種子を受けて下方に繰り出す円形の繰出しロール88を軸着し、該繰出しロール88の外周部に種子を受けて貯留する複数の貯留溝88a…を等間隔に形成する。   Then, a seed tank 85 for storing seeds such as pods to be sown in the field is provided behind and above the sowing support frame 83, and a seed feeding part 87 for feeding seeds is provided below the seed tank 85, The front side of the seed feeding part 87 is placed on the upper part of the sowing support frame 83. Further, a roll shaft 109 is attached to the inside of the seed feeding portion 87 so as to be rotatable in one direction toward the front side of the machine body (counterclockwise direction shown in FIG. 5), and is discharged from the seed tank 85 to the roll shaft 109. A circular feeding roll 88 that receives the seeds and feeds them downward is pivotally attached, and a plurality of storage grooves 88 a... For receiving and storing the seeds are formed at equal intervals on the outer periphery of the feeding roll 88.

また、前記種子繰出し部87の下部に前記繰出しロール88で繰り出される種子をブロア86からの風で下方に放出させる放出筒90を下方に向けて取り付け、該放出筒90の下部に放出筒90内に前記ブロア86が発生させる風が通過する送風筒106を設け、前記ブロア86と送風筒106をダクト105で連結する。そして、前記排出筒90の内部に種子や風が通過する繰出し通路117を形成し、放出筒90の下端部にブロア86からの空気の流れで圃場に種子を打ち込んで播種する播種口91を取り付ける。前期放出筒90の機体前側部には、種子繰出し部87よりも機体前側に突出する突出部90aを形成する。   Further, a discharge cylinder 90 is attached to the lower part of the seed supply part 87 so that the seeds supplied by the supply roll 88 are discharged downward by the wind from the blower 86. The blower tube 106 through which the wind generated by the blower 86 passes is provided, and the blower 86 and the blower tube 106 are connected by a duct 105. Then, a feeding passage 117 through which seeds and wind pass is formed inside the discharge cylinder 90, and a seeding port 91 for seeding and seeding the seeds in the field with the flow of air from the blower 86 is attached to the lower end of the discharge cylinder 90. . A projecting portion 90 a that projects further to the front side of the body than the seed feeding portion 87 is formed on the front side of the body of the discharge cylinder 90 in the first half.

なお、該ブロア86にダイヤルやスイッチを取り付け、送風量を作業者が圃場状態や天候、種子の状態等の作業条件に応じて任意に変更できる構成としてもよい。
さらに、前記繰出しロール88の下方で且つ放出筒90の内側上部に、播種口91から種子が圃場に播種される際に跳ね上がる泥水が上方に移動するのを防止する泥除け板110を後上り傾斜姿勢で設け、該泥除け板110の前側端部を排出筒90の前記繰出しロール88の回転方向下手側の繰出し位置R近傍の下方に配置する。そして、前記繰出しロール88の繰出し位置Rよりも回転方向下手側で貯留溝88a…から落下した種子を受けて繰出し位置Rに移動させると共に種子の機体左右方向への移動を規制して泥除け板110と放出筒90との間に落下することを防止する左右の突起体111a,111bを該泥除け板110の上側に後上り傾斜姿勢で取り付ける。該左右の突起体111a,11bの終端部は、図5及び図6で示すとおり、該繰出しロール88の外周縁部に接触する直前位置まで近接させる。
In addition, it is good also as a structure which can attach a dial and a switch to this blower 86, and an operator can change arbitrarily air flow volume according to work conditions, such as a field condition, a weather, and a seed state.
Further, a mudguard plate 110 that prevents the muddy water that jumps up when seeds are sown from the sowing port 91 on the field below the feeding roll 88 and on the inner upper side of the discharge cylinder 90 is in a back-up inclined posture. And the front end of the mudguard plate 110 is disposed below the vicinity of the feeding position R on the lower side in the rotational direction of the feeding roll 88 of the discharge cylinder 90. Then, the seeds dropped from the storage grooves 88a... On the lower side in the rotational direction than the feeding position R of the feeding roll 88 are received and moved to the feeding position R, and the movement of the seeds in the left-right direction of the machine body is regulated to prevent the mudguard plate 110. Left and right protrusions 111a and 111b are attached to the upper side of the mudguard plate 110 in a rear-upward inclined posture. As shown in FIGS. 5 and 6, the end portions of the left and right protrusions 111 a and 11 b are brought close to a position immediately before contacting the outer peripheral edge of the feeding roll 88.

また、前記種子繰出し部87の機体前側に繰出し位置Rよりも回転方向上手側で繰出しロール88から種子が放出されることを防止するガイドカバー112を設け、該ガイドカバー112を繰出しロール88が種子繰出し部87から種子を受け終える箇所から繰出し位置の直前箇所までを覆う繰出しロール88の円弧形状に沿う形状に形成する。該ガイドカバー112は、ポリ塩化ビニル(PVC)やアクリル、ゴム等の弾性を有する軟質材で構成する。   Further, a guide cover 112 is provided on the front side of the machine body of the seed feeding portion 87 so as to prevent seeds from being discharged from the feeding roll 88 on the upper side in the rotational direction from the feeding position R. The guide cover 112 serves as a seed. It forms in the shape along the circular arc shape of the delivery roll 88 which covers from the location which finishes receiving the seed from the delivery part 87 to the location immediately before the delivery position. The guide cover 112 is made of an elastic soft material such as polyvinyl chloride (PVC), acrylic, or rubber.

そして、前記ガイドカバー112に、上下方向に亘って複数のスリット114…を開口し、該スリット114…の内側にガイドカバー112の撓みを抑える支持線113…を撓ませずに取り付ける。該支持線113…は、ピアノ線等の丈夫で且つ弾性の高い非金属、或いはワイヤー等の柔軟性を有する金属のどちらで構成してもよい。   Then, a plurality of slits 114 are opened in the guide cover 112 in the vertical direction, and support lines 113 for suppressing the bending of the guide cover 112 are attached to the inside of the slits 114 without bending. The support wires 113 may be made of a strong non-metal such as a piano wire or a highly flexible metal such as a wire.

さらに、前記放出筒90に形成した突出部90aの内側に繰出し位置Rよりも搬送方向上手側で繰出しロール88に接触して繰り出される種子が拡散した状態で放出筒90に落下することを防止する飛散防止板115を上下方向に回動自在に設け、該飛散防止板115を常時上方に張圧するスプリング116を伸縮自在に取り付けることにより、播種装置82が構成される。   Further, the seeds fed out by contacting the feeding roll 88 on the upper side of the feeding direction R from the feeding position R on the inner side of the projecting portion 90a formed on the discharging cylinder 90 are prevented from falling into the discharging cylinder 90 in a diffused state. The seeding device 82 is configured by providing the anti-scattering plate 115 so as to be pivotable in the vertical direction and by attaching a spring 116 that always pressurizes the anti-scattering plate 115 upward.

なお、上記飛散防止板115は、ナイロン等で形成する複数の毛状体からなるブラシに置き換えて構成しても、同様の効果を発揮できる。
上記構成により、繰出し通路117を落下して播種口91に落下した種子をブロア86の風により圃場に打ち込んで播種することにより、種子の播種深度が適切に確保されるので、種子が浮力により泥水面に浮かび上がり、水流や風で播種位置から流されてしまうことを防止できるので、種子が適切な位置に播種されて収穫物の生育が順調となる。
Even if the scattering prevention plate 115 is replaced with a brush composed of a plurality of hairs formed of nylon or the like, the same effect can be exhibited.
With the above-described configuration, seeds that fall on the feeding passage 117 and fall on the seeding port 91 are driven by the wind of the blower 86 into the field to be sown, so that the seed sowing depth is appropriately secured. It can be prevented from floating on the surface and being washed away from the sowing position by water flow or wind, so that the seeds are sown at an appropriate position and the harvest grows smoothly.

また、ブロア86の風は常時圃場に向けて吹き付けているので、播種位置周辺の塵芥を除去することができ、播種された種子が覆われて生育しなくなることが防止され、収穫物の収量が維持される、或いは増加する。   Moreover, since the wind of the blower 86 is constantly blown toward the field, the dust around the sowing position can be removed, so that the seeds sowed can be prevented from covering and not growing, and the yield of the harvest can be reduced. Maintained or increased.

そして、放出筒90の機体後側の内側から繰出しロール88の繰出し位置Rの下方近傍に亘って泥除け板110を設けたことにより、種子を播種した際、落下の衝撃やブロア86の送風により跳ね上がる泥水を泥除け板110で受け止めることができるので、繰出しロール88や放出筒90の内部に泥が付着することを防止でき、繰出しロール88の貯留溝88a…に泥が詰まって種子タンク85から供給される種子が保持されなくなり、播種作業が停滞することや種子が所定量、即ち貯留溝88aの容量以上の数の種子が圃場に一度に落下することが防止されるので、常に適切な量の種子が圃場に播種され、無駄な種子の量が減少すると共に、収穫物が成長して密植状態となり病害虫や風害により収穫量が減少することを防止できる。   Then, by providing the mudguard plate 110 from the inner side of the discharge cylinder 90 to the lower side of the feeding position R of the feeding roll 88, when seeds are sown, the seeds jump up due to the impact of falling or blower of the blower 86. Since the muddy water can be received by the mudguard plate 110, mud can be prevented from adhering to the inside of the feeding roll 88 and the discharge cylinder 90, and the storage grooves 88a of the feeding roll 88 are clogged with mud and supplied from the seed tank 85. Seeds are not held, sowing work is stagnated and seeds are prevented from falling to a predetermined amount, that is, a number of seeds larger than the capacity of the storage groove 88a at a time. Is sown in the field, the amount of wasted seeds is reduced, and the harvest grows into a densely planted state, and it is possible to prevent the yield from being reduced due to pests and wind damage.

加えて、手の届きにくい位置に設けている繰出しロール88に付着した泥や泥に混入していた夾雑物を取り除く作業を頻繁に行わなくてもよいため、メンテナンス性が向上する。   In addition, maintenance work is improved because it is not necessary to frequently remove the mud adhering to the feeding roll 88 provided at a position where it is difficult to reach and the impurities mixed in the mud.

さらに、繰出しロール88の繰出し位置Rよりも回転方向下手側で貯留溝88a…から落下した種子を受けて繰出し位置Rに移動させる左右の突起体111a,111bを泥除け板110の上部に設けたことにより、種子を繰出し位置Rから繰出し通路117に落下させることができるので、種子の播種位置にバラつきが生じにくく、収穫物が条ごとに整列して植生し、収穫時に効率のよい収穫作業を行える。   Further, left and right protrusions 111a and 111b that receive seeds that have fallen from the storage grooves 88a... On the lower side in the rotational direction than the feeding position R of the feeding roll 88 and move to the feeding position R are provided on the upper portion of the mudguard plate 110. Thus, the seed can be dropped from the feeding position R to the feeding passage 117, so that the seed sowing position is less likely to vary, and the harvest is aligned and vegetated for each row, so that an efficient harvesting operation can be performed at the time of harvesting. .

また、左右の突起体111a,111bが泥除け板110上の種子の左右方向への移動を規制することにより、泥除け板110に載った種子が泥除け板110放出筒90の内壁の間に挟まって損傷することを防止できるので、傷付いた種子が播種されることが防止され、収穫量が維持される。   In addition, the left and right protrusions 111a and 111b restrict the movement of the seed on the mudguard plate 110 in the left-right direction, so that the seed placed on the mudguard plate 110 is caught between the inner walls of the mudguard plate 110 discharge cylinder 90 and damaged. So that damaged seeds are prevented from being sown and the yield is maintained.

そして、泥除け板110上に載った種子が繰出し回転ロール88の回転を妨げすることを防止できるので、播種のタイミングが狂うことが防止されて種子が生育に適切な位置で播種されると共に、繰出しロール88が種子との接触の摩擦等で傷付くことを防止でき、傷付いた種子が播種されることが防止され、収穫量が維持される。   And since the seeds placed on the mudguard plate 110 can be prevented from obstructing the rotation of the feeding rotary roll 88, the seeding timing is prevented from being out of order so that the seeds are sown at an appropriate position for growth and are fed out. It is possible to prevent the roll 88 from being damaged by friction caused by contact with the seeds, so that the damaged seeds are prevented from being sown, and the yield is maintained.

さらに、種子繰出し部87で種子を受け終える位置から繰出し位置Rの直前まで繰出しロール88に接触するガイドカバー112を設けたことにより、繰出し位置Rよりも手前で種子が落下することを防止できるので、種子の播種位置にバラつきが生じにくく、収穫物が条ごとに整列して植生し、収穫時に効率のよい収穫作業を行える。   Furthermore, by providing the guide cover 112 that comes into contact with the feeding roll 88 from the position at which the seed feeding unit 87 finishes receiving seeds to immediately before the feeding position R, it is possible to prevent the seed from dropping before the feeding position R. The seed sowing position is less likely to vary, and the harvested plants are vegetated in line with each other, enabling efficient harvesting operations during harvesting.

また、ガイドカバー112を軟質材で構成すると共に、ガイドカバー112に複数のスリット114…を形成したことにより、ガイドカバー112は種子と接触しても撓んで変形するので、種子が摩擦で傷付くことを防止でき、傷付いた種子が播種されることが防止されて収穫量が維持される。   Further, since the guide cover 112 is made of a soft material and a plurality of slits 114 are formed in the guide cover 112, the guide cover 112 bends and deforms even when in contact with the seed, so that the seed is damaged by friction. This prevents the damaged seed from being sown and maintains the yield.

また、肥料や酸素供給剤、鳥害防止の金属粉等でコーティングした種子を用いる場合でも、ガイドカバー112が撓んで変形し易いことにより、接触時の摩擦でコーティング剤が種子から剥離し難くなるので、播種された種子が生育し易くなり、収穫量が増加する。   Even when seeds coated with fertilizer, oxygen supply agent, bird damage prevention metal powder or the like are used, the guide cover 112 is easily bent and deformed, so that it is difficult for the coating agent to peel from the seeds due to friction at the time of contact. Therefore, the sown seeds are easy to grow and the yield is increased.

そして、複数のスリット114内にガイドカバー112の撓みを抑える複数の支持線113…を設けたことにより、ガイドカバー112に種子が接触して撓んでも、種子が繰出し位置Rから繰り出されると同時にガイドカバー112を元の形状に戻す力がかかるため、ガイドカバー112と繰出しロール88との間に大きな隙間が生じて種子が繰出し位置Rよりも手前で落下することを防止でき、種子が生育に適切な位置で播種される。   Further, by providing a plurality of support lines 113... For suppressing the deflection of the guide cover 112 in the plurality of slits 114, the seed is fed out from the feeding position R even if the seed comes into contact with the guide cover 112 and is bent. Since a force is applied to return the guide cover 112 to the original shape, a large gap is generated between the guide cover 112 and the feeding roll 88, so that the seed can be prevented from dropping before the feeding position R, and the seed is grown. Seeded at appropriate location.

さらに、放出筒90に形成した突出部90aの内側に、繰出し位置Rの直前位置で繰出しロール88に接触する飛散防止板115を設けたことにより、飛散防止板115が繰出しロール88から放出される種子の遠心力を打ち消しながら繰出し通路117に落下させるので、常に適切な量の種子が圃場に播種されるため、無駄な種子の量が減少すると共に、密植状態となり病害虫や風害により収穫量が減少することを防止できる。   Further, the anti-scattering plate 115 is released from the feeding roll 88 by providing the anti-scattering plate 115 in contact with the feeding roll 88 at a position immediately before the feeding position R on the inner side of the protruding portion 90 a formed on the discharge cylinder 90. Since the seeds are dropped into the feeding passage 117 while canceling the centrifugal force of the seeds, an appropriate amount of seeds is always sown in the field, so that the amount of wasted seeds is reduced and the yield is reduced due to pests and pests. Can be prevented.

また、飛散防止板115を回動自在に構成し、飛散防止板115を常時上方向に張圧するスプリング116を設けたことにより、種子を貯留した貯留溝88aが通過するときのみ飛散防止板115が繰出しロール88から離間するとともに、種子が排出されると飛散防止板115が再度繰出しロール88に接触する構造となる。   Further, the anti-scattering plate 115 is configured to be rotatable, and the spring 116 that always tensions the anti-scattering plate 115 upward is provided, so that the anti-scattering plate 115 can be used only when the storage groove 88a storing seeds passes. While separating from the feeding roll 88, when the seed is discharged, the scattering prevention plate 115 comes into contact with the feeding roll 88 again.

前記播種装置82の下方には、土壌面に接地して滑走する前記フロート55…が播種フレーム33の下方に夫々吊持させて配置され、前記フロート55…の両側には左右一対の播種用作溝器64,64を設ける。そして、該左右の播種用作溝器64,64よりも機体後方には、左右の播種用作溝器64,64で形成した圃場の溝を埋める左右一対の覆土板59,59を設け、該左右一対の覆土板59,59で圃場の溝内に打ち込まれた種子を圃場の土で被覆することができるので、種子が浮力で泥水面に浮かび上がることが防止され、種子が適切な位置に播種されて収穫物の生育が順調となる。   Below the sowing device 82, the floats 55, which are grounded and slid on the soil surface, are respectively suspended below the sowing frame 33, and a pair of right and left sowing works are arranged on both sides of the float 55. Grooves 64, 64 are provided. A pair of left and right covering plates 59, 59 for filling the grooves in the field formed by the left and right sowing groover 64, 64 are provided behind the left and right sowing groover 64, 64, The seeds that have been driven into the field grooves by the pair of left and right cover plates 59, 59 can be covered with the soil of the field, so that the seeds are prevented from floating on the muddy water surface due to buoyancy, and the seeds are placed in an appropriate position. After sowing, the crop grows smoothly.

本実施例の種子繰出部87の繰出ロール88には、図3(a)に示すとおり繰出ロール88の回転軸に平行する方向に伸びた貯留溝88aを繰出ロール外周の円周方向に均等に4個設けることで、繰出ロール88の一回転で4回の種子の点播ができる。また、貯留溝88aは、図5で示すとおり8個に形成してもよく、他にも6個、12個と、播種装置82を搭載する播種作業機の大きさや播種装置82が想定する作業規模に適合する数の貯留溝88aを形成してもよい。また、貯留溝88aの数の異なる繰出しロール88を、作業者が作業形態に合わせて変更可能とすると、作業条件に合わせて種子の播種量を変更できるので、多様な作業条件に対応できる播種装置となる。   In the feeding roll 88 of the seed feeding portion 87 of the present embodiment, as shown in FIG. 3A, the storage grooves 88a extending in the direction parallel to the rotation axis of the feeding roll 88 are evenly distributed in the circumferential direction of the feeding roll outer periphery. By providing four, seed seeding can be carried out four times by one rotation of the feeding roll 88. In addition, the storage grooves 88a may be formed in 8 pieces as shown in FIG. 5, and in addition, 6 and 12 pieces, the size of the sowing work machine on which the sowing apparatus 82 is mounted, and the work assumed by the sowing apparatus 82 You may form the number of the storage grooves 88a suitable for a scale. In addition, if the operator can change the feeding rolls 88 with different numbers of the storage grooves 88a according to the work mode, the seeding amount can be changed according to the working conditions, so that the sowing apparatus can cope with various working conditions. It becomes.

またこの繰出ロール88に図3(b)と、図3(b)のA−A線断面図であるC(c)と、図3(b)の矢印B方向から見た図である図3(d)で示すとおり、外周に均等に4カ所に切込88b…を設け、該切込88b…の一部に入り込む筒状防護体89を繰出ロール88に蓋をするように差し込む構成とすると、繰出しロール88を筒状防護体89で保護することができるとともに貯留溝88a…の開放状態を維持することができるので、繰出しロール88や貯留溝88a…の損傷が防止される。   3B is a cross-sectional view taken along line AA of FIG. 3B, and FIG. 3B is a view seen from the direction of arrow B in FIG. 3B. As shown in (d), when the cutout 88b ... is equally provided on the outer periphery, the cylindrical protective body 89 that enters a part of the cutout 88b ... is inserted so as to cover the feeding roll 88. Since the feeding roll 88 can be protected by the cylindrical protective body 89 and the open state of the storage grooves 88a can be maintained, damage to the feeding roll 88 and the storage grooves 88a can be prevented.

前記切込88b…の数は、繰出しロール88の貯留溝88a…と同数形成すると、種子の繰り出しに干渉することがなく、播種効率が向上する。
また図4(a)及び図4(b)に示す図4(a)のA−A線断面図に示すとおり、繰出ロール88’の回転軸に平行する方向に伸びた溝88’aを繰出ロール88’外周の円周方向に均等に8個設けることで、繰出ロール88’の一回転で8回の種子の繰り出しができ、播種能率が向上する。
When the number of the cuts 88b is the same as the number of the storage grooves 88a of the feeding roll 88, the seeding efficiency is improved without interfering with the seed feeding.
Further, as shown in the sectional view taken along the line AA of FIG. 4A shown in FIGS. 4A and 4B, a groove 88′a extending in a direction parallel to the rotation axis of the feeding roll 88 ′ is fed out. By providing eight equally in the circumferential direction of the outer periphery of the roll 88 ′, the seed can be fed out eight times by one rotation of the feeding roll 88 ′, and sowing efficiency is improved.

またこの繰出ロール88’に図4(b)と図4(a)の矢印B方向から見た図である図4(c)に示すとおり、繰出ロール88’の外周に均等に8カ所に切り込み88’bを設け、該切り込み88’bに入り込む図3(b)に示す筒体89’を差し込むことで円筒体が得られ、溝88’aの損傷を防止する。8カ所の溝88’aを繰出ロール88’の外周部に設けた場合は、点播というより条播に近い播種ができる。   Further, as shown in FIG. 4 (c), which is a view seen from the direction of the arrow B in FIG. 4 (b) and FIG. 4 (a), the feeding roll 88 ′ is equally cut into eight places on the outer periphery of the feeding roll 88 ′. A cylindrical body is obtained by providing 88′b and inserting a cylindrical body 89 ′ shown in FIG. 3B that enters the cut 88′b, thereby preventing the groove 88′a from being damaged. When eight grooves 88'a are provided on the outer peripheral portion of the feeding roll 88 ', seeding close to strip seeding is possible rather than spot seeding.

図7〜図9で示すとおり、播種装置82は溝切り装置95を取付可能な構成とする。
該溝切り装置95は伝動ケース29(図1参照)に支持された横幅方向に伸びる播種フレーム33に端部を支持固定された基盤97上にロッド98の一端を回動可能に取り付け、該取付ロッド98の他端部側に底面側が鋭角状になった溝切り板99を固定して取り付ける。
As shown in FIG. 7 to FIG. 9, the seeding device 82 is configured so that the grooving device 95 can be attached.
The grooving device 95 is rotatably attached to one end of a rod 98 on a base 97 whose end is supported and fixed to a sowing frame 33 that is supported by a transmission case 29 (see FIG. 1). A grooving plate 99 having a bottom surface with an acute angle is fixedly attached to the other end of the rod 98.

該溝切り板99は縦断面がM字状に折れ曲がった板で構成するものであり、中央部底面側を鋭角状に折り曲げている。また、前記溝切り板99の上面側の両方の傾斜面に端部がそれぞれ支持された板材100を配置し、該板材100の下面に取付ロッド98の先端部が固定されている。   The grooved plate 99 is configured by a plate whose longitudinal section is bent in an M shape, and the bottom surface side of the center portion is bent at an acute angle. Further, a plate member 100 having end portions supported on both inclined surfaces on the upper surface side of the groove plate 99 is disposed, and the tip end portion of the mounting rod 98 is fixed to the lower surface of the plate member 100.

基盤97に一端が回動自在に取り付けられ、他端が前記取付ロッド98の中間部の下面に設けたピン98aに係止された第1のアーム103を設ける。また、板材100の上面に端部が固定された左右一対のL字状折れ曲がりロッド101,101を設け、該左右のロッド101,101の先端部同士に第2のアーム102を掛け渡している。   A first arm 103 is provided with one end rotatably attached to the base 97 and the other end locked to a pin 98 a provided on the lower surface of the intermediate portion of the mounting rod 98. Also, a pair of left and right L-shaped bent rods 101 and 101 whose end portions are fixed to the upper surface of the plate member 100 are provided, and the second arm 102 is stretched between the tip portions of the left and right rods 101 and 101.

前期溝切り板99が図7の一点鎖線で示す収納位置Cにある時、第2のアーム102を播種装置82の適宜の部材に係止させておくと、溝切り装置95を上げたまま保持できる。このとき、第1のアーム103の先端にはL字状の孔103aを形成すると共に、該孔103a内を摺動するピン98aを取付ロッド98に設けているので、図7の溝切り板99を圃場面に下げた実線で示す下作用位置Aのピン98aの位置と溝切り板99を圃場面から上昇させた収納位置Cのピン98aの位置が第1アーム103の先端のL字状孔103aのそれぞれ反対側の先端部に移動すると、前記取付ロッド98をそれぞれの位置で保持することができる。   When the first grooving plate 99 is in the storage position C indicated by the one-dot chain line in FIG. 7, if the second arm 102 is locked to an appropriate member of the seeding device 82, the grooving device 95 is held up. it can. At this time, an L-shaped hole 103a is formed at the tip of the first arm 103, and a pin 98a that slides in the hole 103a is provided in the mounting rod 98. Therefore, the groove plate 99 of FIG. The L-shaped hole at the tip of the first arm 103 is the position of the pin 98a at the lower action position A indicated by the solid line that is lowered to the field scene and the position of the pin 98a at the storage position C where the grooved plate 99 is raised from the field scene. If it moves to the front-end | tip part on the opposite side of 103a, the said attachment rod 98 can be hold | maintained in each position.

また、図10及び図11で示すように前記第1アーム103とピン98aを取り除いて、前記基盤97と取付ロッド98との間にシリンダ118を設け、前記フロート55…に設けた硬軟センサ119が検出した圃場の硬軟に合わせて制御装置120から信号を発し、該シリンダ118を伸縮させて溝切り装置95をさせる構成とする。   10 and 11, the first arm 103 and the pin 98a are removed, a cylinder 118 is provided between the base 97 and the mounting rod 98, and a hard / soft sensor 119 provided on the float 55 is provided. A signal is emitted from the control device 120 in accordance with the detected hardness of the field, and the grooving device 95 is made to expand and contract the cylinder 118.

圃場面が硬いと判断されると溝切り装置95を下作用位置Aに降下させ、軟らかいと判断されると溝切り装置95を上作用位置Bに上昇させる制御を行なうことで、溝切り装置95が土中に深く入り込んで泥土を巻き上げてしまい、苗の植付を泥土が妨げることを防止できるとともに、溝切り装置95が圃場面に接触しない、或いは接触位置が浅過ぎて溝が形成されないことを防止できる。   When it is determined that the field scene is hard, the grooving device 95 is lowered to the lower operation position A, and when it is determined to be soft, the grooving device 95 is controlled to be raised to the upper operation position B. Can penetrate deeply into the soil and wind up the mud, preventing the mud from interfering with the planting of the seedling, and the grooving device 95 does not contact the field scene, or the contact position is too shallow and no groove is formed. Can be prevented.

さらに、前記フロート55…に水深センサ(図示省略)を設け、水深が深いと判断すると溝切り装置95を下作用位置Aから上方に上昇させることにより、溝切り装置95が圃場面に湛えられた泥水を押し、播種した種子を押し流してしまうことが防止される。   Further, the float 55 is provided with a water depth sensor (not shown), and when it is determined that the water depth is deep, the grooving device 95 is lifted upward from the lower action position A, so that the grooving device 95 is given to the field scene. The mud is pushed and the seeds sowed are prevented from being washed away.

また、昇降油圧シリンダ46で昇降リンク装置3を上昇する場合には、シリンダ118を伸ばして溝切り装置95を収納位置Cまで上昇させることにより、走行車体2を後進させる場合に溝切り装置95が圃場面に突き刺さることを防止できる。   Further, when the elevating link device 3 is raised by the elevating hydraulic cylinder 46, the grooving device 95 is extended when the traveling vehicle body 2 is moved backward by extending the cylinder 118 and raising the grooving device 95 to the storage position C. It is possible to prevent piercing in the field scene.

本発明は田植機をはじめとして各種の肥料施肥用、又は薬剤散布用の粒体放出装置として利用可能性が高い。   The present invention has a high possibility of being used as a granule discharging device for applying various fertilizers such as rice transplanters or for spraying chemicals.

2 走行車体
3 昇降リンク装置
85 種子タンク
87 種子繰出し部
88 繰出しロール(繰出し回転体)
90 放出筒
110 泥除け板(泥除け部材)
111a 突起体
111b 突起体
112 ガイドカバー(ガイド部材)
113 支持線(支持線材)
114 スリット(開口部)
115 飛散防止板(飛散防止体)
117 繰出し通路
R 繰出し位置
2 Traveling body 3 Elevating link device 85 Seed tank 87 Seed feeding part 88 Feeding roll (feeding rotary body)
90 Discharge tube 110 Mudguard plate (mudguard member)
111a protrusion 111b protrusion 112 guide cover (guide member)
113 Support wire (support wire)
114 slit (opening)
115 Spatter prevention plate (spatter prevention body)
117 Feeding path R Feeding position

Claims (3)

種子タンク(85)に貯留した種子を圃場に播種する播種装置(82)を走行車体(2)の後部に昇降リンク装置(3)を介して設け、該種子タンク(85)の下部に放出筒(90)を連通し、該種子タンク(85)の下方で且つ放出筒(90)の上部の種子繰出し部(87)に種子を繰り出す繰出し回転体(88)を回転可能に設け、該繰出し回転体(88)から繰り出される種子を放出筒(90)内の繰出し通路(117)を経由して圃場に播種する播種装置において、前記放出筒(90)の内側で且つ繰出し回転体(88)の下方に繰出し回転体(88)への泥等の侵入を防止する泥除け部材(110)を設け、該泥除け部材(110)の上部に前記繰出し回転体(88)から繰り出された種子の機体左右方向への移動を規制する突起体(111a,111b)を設けたことを特徴とする播種装置。   A seeding device (82) for seeding seeds stored in the seed tank (85) in the field is provided at the rear of the traveling vehicle body (2) via the lifting link device (3), and a discharge cylinder is provided below the seed tank (85). (90) is communicated, and a feeding rotary body (88) for feeding seeds to the seed feeding portion (87) below the seed tank (85) and at the top of the discharge cylinder (90) is rotatably provided, and the feeding rotation In a seeding device for seeding seeds fed from a body (88) in a field via a feeding passage (117) in a discharge cylinder (90), the seeds are fed inside the discharge cylinder (90) and of the feeding rotary body (88). A mudguard member (110) that prevents mud etc. from entering the feeding rotary body (88) is provided below, and the machined body left and right direction of the seed fed from the feeding rotary body (88) is provided above the mudguard member (110). Protrusions that restrict movement to (111a, 111b) seeding device, wherein a is provided. 前記繰出し回転体(88)の回転方向下手側に種子を案内する軟質材で構成するガイド部材(112)を設け、該ガイド部材(112)に複数の開口部(114)を形成し、該開口部(114)内にガイド部材(112)の撓みを抑える複数の支持線材(113)を設けたことを特徴とする請求項1記載の播種装置。   A guide member (112) made of a soft material for guiding seeds is provided on the lower side in the rotational direction of the feeding rotary body (88), and a plurality of openings (114) are formed in the guide member (112). The seeding device according to claim 1, wherein a plurality of support wires (113) for suppressing the bending of the guide member (112) are provided in the portion (114). 前記繰出し回転体(88)から種子が散乱して落下することを防止する飛散防止体(115)を該繰り出し回転体(88)の回転方向下手側で且つガイド部材(112)の下方に設け、該飛散防止体(115)を回動自在に構成したことを特徴とする請求項2記載の播種装置。   A scattering prevention body (115) for preventing seeds from being scattered and dropped from the feeding rotary body (88) is provided on the lower side in the rotational direction of the feeding rotary body (88) and below the guide member (112), The seeding device according to claim 2, wherein the scattering prevention body (115) is configured to be rotatable.
JP2010009230A 2010-01-19 2010-01-19 Sowing machine Expired - Fee Related JP5526800B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103583116A (en) * 2013-12-03 2014-02-19 王留旺 Millet single-seed planter
CN113748768A (en) * 2021-09-07 2021-12-07 张莉 Agricultural equipment for improving agricultural soil
CN116097945A (en) * 2023-03-09 2023-05-12 贵州省油料研究所 Portable handheld soybean seeder

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JPS4923057Y1 (en) * 1970-09-09 1974-06-21
JPS6348411U (en) * 1986-09-17 1988-04-01
JP2005333979A (en) * 2004-01-05 2005-12-08 Minoru Industrial Co Ltd Sower
JP2008022830A (en) * 2006-07-25 2008-02-07 Agritecno Yazaki Co Ltd Granule distributing apparatus
JP2009201359A (en) * 2008-02-26 2009-09-10 Iseki & Co Ltd Seeder

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JPS4923057Y1 (en) * 1970-09-09 1974-06-21
JPS6348411U (en) * 1986-09-17 1988-04-01
JP2005333979A (en) * 2004-01-05 2005-12-08 Minoru Industrial Co Ltd Sower
JP2008022830A (en) * 2006-07-25 2008-02-07 Agritecno Yazaki Co Ltd Granule distributing apparatus
JP2009201359A (en) * 2008-02-26 2009-09-10 Iseki & Co Ltd Seeder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103583116A (en) * 2013-12-03 2014-02-19 王留旺 Millet single-seed planter
CN113748768A (en) * 2021-09-07 2021-12-07 张莉 Agricultural equipment for improving agricultural soil
CN116097945A (en) * 2023-03-09 2023-05-12 贵州省油料研究所 Portable handheld soybean seeder

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