JP2010051237A5

JP2010051237A5 -

Info

Publication number: JP2010051237A5
Application number: JP2008219317A
Authority: JP
Filing date: 2008-08-28
Publication date: 2013-01-24
Anticipated expiration: 2028-08-28

Description

この発明は、上記課題を解決すべく次の技術的手段を講じた。
すなわち、請求項１記載の発明は、エンジン（５）と前輪（６）と後輪（７）を備える走行装置（１）を設け、苗供給装置（４０）により供給された苗を圃場に植え付けるための苗植付体（４ａ）を有する苗植付装置（４）を設け、該苗植付装置（４）を所定の作動軌跡で上下動させるリンク機構（３）を設け、該リンク機構（３）を上下動させる植付伝動ケース（１８）内の植付伝動機構を設けた苗植機において、前記リンク機構（３）を上下動させる上下駆動部を前記植付伝動機構に連結し、前記植付伝動機構には、苗植付体（４ａ）に押圧したときに該苗植付体（４ａ）の汚れを取るスクレーパ（７０）と、該スクレーパ（７０）を前後方向に動作させる駆動機構を設け、上下駆動部と駆動機構に共通する駆動軸（５３）を植付伝動ケース（１８）から突出させて設け、該駆動軸（５３）を介して上下駆動部と駆動機構を互いに連動する構成としたことを特徴とする苗植機である。 The present invention provides the following technical means to solve the above problems.
That is, the first aspect of the present invention, the traveling device equipped with an engine (5) and the front wheel (6) and the rear wheel (7) (1) is provided, planting seedlings supplied by seedling supply device (40) in the field Provided with a seedling planting device (4) having a seedling planting body (4a), a link mechanism (3) for moving the seedling planting device (4) up and down along a predetermined operating locus, 3) In the seedling planting machine provided with the planting transmission mechanism in the planting transmission case (18) for moving up and down, the vertical drive unit for moving the link mechanism (3) up and down is connected to the planting transmission mechanism, The planting transmission mechanism includes a scraper (70) that removes dirt from the seedling planting body (4a) when pressed against the seedling planting body (4a), and a drive that moves the scraper (70) in the front-rear direction. the mechanism is provided, a drive shaft common to the vertical drive unit driving mechanism (53) planting transmission Ke Provided to protrude from the scan (18), a seedling planting machine is characterized in that a configuration in conjunction with each other the drive mechanism and the vertical driving unit through the drive shaft (53).

請求項２記載の発明は、上下駆動部は、前記植付伝動機構にそれぞれ駆動中心を有する第１駆動アーム（５５）と第２駆動アーム（５６）を備え、リンク機構（３）は、第１駆動アーム（５５）と第２駆動アーム（５６）の駆動により上下動する上部リンク（３ａ）と下部リンク（３ｂ）から構成し、該下部リンク（３ｂ）は、その一端部が、前記植付伝動機構に基部が回動自在に取り付けられ、かつ上下駆動部の一構成部材である第一の揺動アーム（６０）の先端部に連結され、駆動機構は、植付伝動機構に駆動中心を有する駆動カム（６１）と、該駆動カム（６１）に接当する従動カム（６２）と、植付伝動機構に支持された回動軸（６４）と、従動カム（６２）を先端に設けた第二の揺動アーム（６５）と、スクレーパ（７０）を先端に有する作動アーム（６９）から構成し、第二の揺動アーム（６５）は、回動軸（６４）を中心として揺動し、作動アーム（６９）は、回動軸（６４）と一体で回動する構成とし、上部リンク（３ａ）が、駆動機構により連動する構成としたことを特徴とする請求項１記載の苗植機である。 The vertical drive unit includes a first drive arm (55) and a second drive arm (56) each having a drive center in the planting transmission mechanism, and the link mechanism (3) The upper link (3a) and the lower link (3b) move up and down by driving of the first drive arm (55) and the second drive arm (56). The base is rotatably attached to the attached transmission mechanism, and is connected to the distal end of the first swing arm (60), which is a constituent member of the vertical drive unit . The drive mechanism is driven by the planting transmission mechanism. A drive cam (61) having the following, a driven cam (62) contacting the drive cam (61), a rotating shaft (64) supported by the planting transmission mechanism, and a driven cam (62) at the tip The provided second swing arm (65) and scraper (70) The second swing arm (65) swings about the rotation shaft (64), and the operation arm (69) is integrated with the rotation shaft (64). It is set as the structure which rotates, and it was set as the structure which an upper link (3a) interlock | cooperates with a drive mechanism , The seedling transplanter of Claim 1 characterized by the above-mentioned.

請求項３記載の発明は、苗供給装置（４０）は、底蓋が開放可能である複数の苗供給カップ（４１）を所定の搬送経路に沿って搬送する構成とし、該苗供給装置（４０）の下方に苗植付装置（４）を設け、苗植付体（４ａ）の上部側には、苗供給カップ（４１）から供給される苗を受け入れる苗収納筒部（４ａ３）を設け、該苗収納筒部（４ａ３）の下方には、下端部が開放自在の左右一対の苗植付片（４ａ１，４ａ２）を設け、スクレーパ（７０）には、左右一対の苗植付片（４ａ１，４ａ２）の外側面と内側面に接当する掻き取り部材（７０ａ，７０ｂ）を備えたことを特徴とする請求項２記載の苗植機である。 Invention of Claim 3 makes it the structure which a seedling supply apparatus (40) conveys the several seedling supply cup (41) which can open | release a bottom cover along a predetermined | prescribed conveyance path | route , This seedling supply apparatus (40) provided NaeUe with apparatus (4) below), the top side of the seedling planting body (4a) is, seedling receiving cylindrical portion for receiving the seedlings fed from the seedling supply cup (41) to (4a3) provided, below the該苗receiving cylindrical portion (4a3), a pair of left and right seedling planting piece lower end freely opened (4a1 and 4a2) provided on the scraper (70), a pair of left and right seedling planting piece (4a1 4a2), a scraping member (70a, 70b) contacting the outer side surface and the inner side surface of the seedling transplanter according to claim 2.

請求項１記載の発明によれば、苗植付体（４ａ）の前方にスクレーパ（７０）を配置したので、植え付けた苗を倒すことがなく、良好な植え付けが行える。
請求項１、２記載の発明によれば、苗植付体（４ａ）のリンク機構（３）の上下駆動部とスクレーパ（７０）の駆動機構によりスクレーパ（７０）を駆動させているので、スクレーパ（７０）の駆動構成が簡潔で的確なスクレープ作用が行える。また、スクレーパ（７０）と苗植付体（４ａ）の連携が適切となる（苗植付体が上昇した位置で短時間でスクレープできる）。 According to the first aspect of the invention, since the arranged scraper (70) in front of the seedling planting member (4a), without defeat planting seedlings, can be performed better planting.
According to invention of Claim 1, 2, since the scraper (70) is driven by the vertical drive part of the link mechanism (3) of the seedling planting body (4a) and the drive mechanism of the scraper (70), the scraper (70) The drive structure is simple and an accurate scraping action can be performed. Moreover, cooperation of a scraper (70) and a seedling planting body (4a) becomes appropriate (scraping can be performed in a short time at a position where the seedling planting body is raised).

請求項３記載の発明によれば、請求項２記載の発明の効果に加えて、スクレーパ（７０）の一対の掻き取り部材（７０ａ，７０ｂ）が、一対の苗植付片（４ａ１，４ａ２）の外側面と内側面をそれぞれ押圧して、前記外側面及び内側面に付着した泥を効果的に除くことができる。 According to invention of Claim 3, in addition to the effect of invention of Claim 2, a pair of scraping members (70a, 70b) of a scraper (70) are a pair of seedling planting pieces (4a1, 4a2). The mud adhering to the said outer surface and inner surface can be effectively removed by pressing the outer surface and inner surface of each.

第１、第２駆動アーム５５，５６の先端部側にある各第１回転軸５４，第２回転軸５８が同期しながらそれぞれ駆動軸５３，５７を中心に回転し、第１回転軸５４，第２回転軸５８がそれぞれ上部リンク３ａ、下部リンク３ｂを上下動させることで苗植付体４ａが上下動する。これら上部リンク３ａ、下部リンク３ｂ、駆動軸５３、第１回転軸５４、第１駆動アーム５５、第２駆動アーム５６、駆動軸５７、第２回転軸５８及び揺動アーム６０などをリンク機構３の上下駆動部とする。 The first rotary shaft 54 and the second rotary shaft 58 on the tip end side of the first and second drive arms 55 and 56 rotate around the drive shafts 53 and 57 in synchronization with each other. The seedling planting body 4a moves up and down by the second rotating shaft 58 moving up and down the upper link 3a and the lower link 3b, respectively. The upper link 3a, the lower link 3b, the drive shaft 53, the first rotation shaft 54, the first drive arm 55, the second drive arm 56, the drive shaft 57, the second rotation shaft 58, the swing arm 60, and the like are connected to the link mechanism 3. The vertical drive unit .

従って、第１駆動アーム５５の駆動軸５３を中心とする回動に伴って第１主動カム６１が回動すると、該第１主動カム６１に接当する第１従動カムローラ６２が第１主動カム６１のカム面に押されて作動し、該第１従動カムローラ６２の作動に伴い、第１従動カムローラ６２の揺動軸６３と一体の第１従動アーム６５が揺動し、該第１従動アーム６５の揺動に連動して作動アーム６９の先端に取り付けたスクレーパ７０が前後方向（矢印Ｃ方向）へ移動する動作を繰り返す。これら駆動軸５３、第１主動カム６１、第１従動カムローラ６２、揺動軸６３、回転軸６４、第１従動アーム６５及び作動アーム６９などをスクレーパ７０の駆動機構とする。 Accordingly, when the first main driving cam 61 rotates with the rotation of the first driving arm 55 around the drive shaft 53, the first driven cam roller 62 contacting the first main driving cam 61 is changed to the first main driving cam 61. When the first driven cam roller 62 is operated, the first driven arm 65 integral with the swing shaft 63 of the first driven cam roller 62 is swung, and the first driven arm 65 is pushed. The operation in which the scraper 70 attached to the tip of the operating arm 69 moves in the front-rear direction (arrow C direction) in conjunction with the swinging of 65 is repeated. The drive shaft 53, the first main driving cam 61, the first driven cam roller 62, the swinging shaft 63, the rotating shaft 64, the first driven arm 65 and the operating arm 69 are used as a driving mechanism for the scraper 70.

Claims

A traveling device (1) including an engine (5), a front wheel (6), and a rear wheel (7) is provided, and a seedling planting body (4a) for planting the seedlings supplied by the seedling supply device (40) in the field is provided. A seedling planting device (4), a link mechanism (3) for moving the seedling planting device (4) up and down along a predetermined operating locus, and a planting transmission case for moving the link mechanism (3) up and down (18) in the seedling planting machine provided with a planting transmission mechanism in,
A vertical drive unit that moves the link mechanism (3) up and down is connected to the planting transmission mechanism,
The planting transmission mechanism includes a scraper (70) that removes dirt from the seedling planting body (4a) when pressed against the seedling planting body (4a), and a drive that moves the scraper (70) in the front-rear direction. Provided a mechanism ,
Provided drive shaft common to the vertical drive unit driving mechanism (53) is protruded from the planting transmission case (18), and configured to interlock with each other to drive mechanism and vertical drive unit through the drive shaft (53) A seedling transplanter characterized by that.

The vertical drive unit includes a first drive arm (55) and a second drive arm (56) each having a drive center in the planting transmission mechanism ,
Link mechanism (3) is composed of a first drive arm (55) and the upper link moving up and down by the driving of the second driving arm (56) (3a) and lower link (3b),
One end of the lower link (3b) is pivotally attached to the planting transmission mechanism, and the tip of the first swing arm (60), which is a component of the vertical drive unit. Connected to
The drive mechanism includes a drive cam (61) having a drive center in the planting transmission mechanism, a driven cam (62) contacting the drive cam (61), and a rotation shaft (64) supported by the planting transmission mechanism. ), A second swing arm (65) provided with a driven cam (62) at the tip, and an operating arm (69) having a scraper (70) at the tip,
The second swing arm (65) swings about the rotation shaft (64), and the operation arm (69) rotates integrally with the rotation shaft (64).
Upper link (3a) is, seedling planting machine according to claim 1, characterized in that a configuration in conjunction with the drive mechanism.

The seedling supply device (40) is configured to transport a plurality of seedling supply cups (41) whose bottom lids can be opened along a predetermined transport path, and a seedling planting device below the seedling supply device (40) (4) is provided,
On the upper side of the seedling planting body (4a), a seedling storage tube portion (4a3) for receiving the seedling supplied from the seedling supply cup (41) is provided,
Below the該苗receiving cylindrical portion (4a3), a pair of left and right seedling planting piece lower end freely opened (4a1 and 4a2) provided,
The scraper (70) is provided with a scraping member (70a, 70b) contacting the outer side surface and the inner side surface of the pair of left and right seedling planting pieces (4a1, 4a2). Seedling machine.