JPH075Y2 - Mounting device for extension plate for ground - Google Patents
Mounting device for extension plate for groundInfo
- Publication number
- JPH075Y2 JPH075Y2 JP1819089U JP1819089U JPH075Y2 JP H075 Y2 JPH075 Y2 JP H075Y2 JP 1819089 U JP1819089 U JP 1819089U JP 1819089 U JP1819089 U JP 1819089U JP H075 Y2 JPH075 Y2 JP H075Y2
- Authority
- JP
- Japan
- Prior art keywords
- extension plate
- ground
- main body
- bracket
- brackets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Soil Working Implements (AREA)
Description
【考案の詳細な説明】 (産業上の利用分野) 本考案は、対地用延長板の取付装置に係り、ロータリ耕
耘装置におけるロータリカバー、代掻整地板等に利用さ
れる。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a device for mounting an extension plate for ground, and is used for a rotary cover, a scraped ground plate, etc. in a rotary tiller.
(従来の技術) 耕耘された土壌面の整地、均平、代掻等の対地作業にお
いて、均平ロータリカバー本体又は代掻整地板本体の側
部に、折畳み自在として対地用延長板を枢支連結したも
のは、実公昭56−41447号公報(従来例の1)、実公昭5
4−24009号公報、(従来例の2)、実公昭55−30244号
公報(従来例の3)等がある。(Prior art) For grounding work such as leveling, leveling, and scraping of cultivated soil surface, a folding extension plate for grounding is pivotally supported on the side of the leveling rotary cover body or the scraping grounding plate body. The connected ones are Japanese Utility Model Publication No. 56-41447 (conventional example 1), Japanese Utility Model Publication No. 5
4-24009, (Prior art example 2), JP-B-55-30244 (Prior art example 3), and the like.
(考案が解決しようとする課題) 従来例の1および従来例の2はいずれも屈折リンクとバ
ネによる連結手段であり、土量が多いときは延長板に対
する押上げ(浮上力)が強くなり、延長板が所謂浮上り
現象を起して均平、代掻精度が劣ることがあった。(Problems to be Solved by the Invention) Conventional example 1 and conventional example 2 are connecting means by a refraction link and a spring, and when the amount of soil is large, the push-up (lifting force) against the extension plate becomes strong, In some cases, the extension plate caused a so-called floating phenomenon, resulting in poor leveling and scratching accuracy.
従来例の3は、ボルト又はピンによる着脱構造であるこ
とから、延長板は確実に固定できるも、着脱に手間を要
する。Since the conventional example 3 has a detachable structure using bolts or pins, the extension plate can be reliably fixed, but it takes time to attach and detach.
また、ピンの抜差しによるものにあっては、ピンの抜差
し抵抗が作用し、特に、泥土等が付着し硬化したとき
は、実質的にピンの抜差しが不可能であった。In addition, in the case of inserting and removing the pin, the inserting and removing resistance of the pin acts, and particularly when the mud and the like adhere and harden, it is substantially impossible to insert and remove the pin.
本考案は、姿勢変更が簡単かつ確実迅速にできながら、
延長板に作用する浮上力で該延長板が浮上るのを確実に
阻止できるようにした対地用延長板の取付装置を提供す
ることが目的である。The present invention makes it possible to change the posture easily and surely,
An object of the present invention is to provide a mounting device for an extension plate for the ground, which can surely prevent the extension plate from floating due to the levitation force acting on the extension plate.
(課題を解決するための手段) 本考案は、ロータリカバー7後端の整地板本体9又は代
掻整地板本体43の側部で反接地面側に、前後一対のブラ
ケット45,46が固設され、延長板41の反接地面側に、前
記ブラケット45,46に重合される前後一対のブラケット4
7,48が固設され、前記整地板本体9,43のブラケット45,4
6と延長板41のブラケット47,48とを前後方向の軸心を有
する連結体49で枢支連結して延長板41を、前記整地板本
体9,43の側部で折畳み姿勢と延長姿勢とに変更自在にし
たものにおいて、前述の目的を達成するために、次の技
術的手段を講じている。(Means for Solving the Problems) In the present invention, a pair of front and rear brackets 45 and 46 are fixed to the side of the ground plate body 9 or the scraping ground plate body 43 at the rear end of the rotary cover 7 on the side opposite to the ground. And a pair of front and rear brackets 4 which are overlapped with the brackets 45 and 46 on the side of the extension plate 41 opposite to the ground surface.
7,48 are fixedly installed, and the brackets 45,4 of the grounding plate body 9,43 are fixed.
6 and the brackets 47, 48 of the extension plate 41 are pivotally connected by a connecting body 49 having an axis in the front-rear direction to form the extension plate 41, and a folding posture and an extension posture at the side portions of the grounding plate main bodies 9, 43. In order to achieve the above-mentioned object, the following technical measures are taken.
すなわち、本考案は、前記整地板本体9,43のブラケット
45,46に、前後方向の軸心を有する位置決め体50がその
軸心廻りで回動自在として備えられ、該位置決め体50に
は、延長姿勢にある延長板41のブラケット47,48に対し
て前記連結体49を中心とする回動を阻止する係合部53と
位置決め体50の回動で前記延長板41のブラケット47,48
の回動を許容する回動許容部54とを有していることを特
徴とする。That is, the present invention is a bracket of the ground plate main body 9,43.
45, 46, a positioning body 50 having an axis in the front-rear direction is provided rotatably around the axis, the positioning body 50, with respect to the bracket 47, 48 of the extension plate 41 in the extended posture. The brackets 47, 48 of the extension plate 41 are formed by the rotation of the engaging portion 53 and the positioning body 50 that prevent the rotation around the connecting body 49.
And a rotation permitting section 54 for permitting rotation of the.
(作用) 本考案によれば、第1図および第2図の実線で示してい
る延長板41の使用状態において、該延長板41に耕耘土、
泥土等による浮上力Fが作用すると、該延長板41は連結
体49を中心として第2図の矢示方向Aに回動して浮上し
ようとする。(Operation) According to the present invention, in the use state of the extension plate 41 shown by the solid line in FIG. 1 and FIG.
When the levitation force F due to mud or the like acts, the extension plate 41 turns about the connecting body 49 in the direction A shown by the arrow in FIG.
この場合、第7図で示す如く、位置決め体50が延長板41
のブラケット47,48に係合していて、浮上するのを阻止
する。In this case, as shown in FIG. 7, the positioning body 50 has the extension plate 41.
The brackets 47 and 48 of the above are engaged to prevent the surface from rising.
延長板41を整地板本体9,43の側部上面側に折畳む場合に
は、位置決め体50をその軸心廻りに第8図で示す矢示方
向Bに回動させると、回動許容部54がブラケット47,48
の外周と対応し、ここに、延長板41は連結体49を中心に
回動させて折畳むことができる。When the extension plate 41 is folded to the side surface upper surface side of the ground plate main bodies 9 and 43, when the positioning body 50 is rotated around its axis in the direction B shown in FIG. 54 is the bracket 47,48
Corresponding to the outer periphery of the extension plate 41, the extension plate 41 can be rotated and folded around the connecting body 49.
(実施例) 以下、図面を参照して本考案の実施例を詳述する。Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.
第4図、第5図はロータリ耕耘装置1に適用した実施例
を示しており、該耕耘装置1は、図外のトラクタに、三
点リンク等で昇降自在に装着されている。4 and 5 show an embodiment applied to the rotary tiller 1, which is mounted on a tractor (not shown) so as to be vertically movable by a three-point link or the like.
耕耘装置1は、爪軸2とこれに取付けている耕耘爪3等
からなるロータリ耕耘部4と、この耕耘部4を覆うカバ
ー装置5等を備えている。The cultivating device 1 includes a rotary cultivating part 4 including a claw shaft 2 and a cultivating claw 3 attached to the claw shaft 2, and a cover device 5 that covers the cultivating part 4.
カバー装置5は、耕耘部4の上部耕幅全体を覆う板金等
よりなる固定カバー(主カバー)6と、耕耘部4の後部
耕幅全体を覆う可動カバー(後部カバー、均平カバー
等)7と、前後左右一対の側部カバー8等よりなり、本
実施例では、カバー7はゴム、樹脂等の可撓弾性膜体よ
りなっていて耕耘土等の付着が少なくかつ付着土の剥離
が容易になるようにされており、該カバー7の後端に耕
幅全体に亘って整地板本体9が取付けてある。The cover device 5 includes a fixed cover (main cover) 6 made of sheet metal or the like for covering the entire upper plowing width of the tilling part 4, and a movable cover (rear cover, leveling cover, etc.) 7 for covering the entire rear plowing width of the tilling part 4. And a pair of front, rear, left and right side covers 8 and the like. In the present embodiment, the cover 7 is made of a flexible elastic film body of rubber, resin or the like, so that cultivated soil or the like is less adhered and the adhered soil can be easily peeled off. The ground plate main body 9 is attached to the rear end of the cover 7 over the entire cultivation width.
整地板本体9は板金等よりなり、第3図および第6図で
も示す如く接地面が対地方向に突出弯曲する均平部9Aと
され、反接地面が平坦部9Bとされて内部に空洞部9Cを有
するものとされ、可撓弾性膜体よりなるカバー7の後端
が整地板本体9に差込まれて耕幅方向の所定間隔を有し
て列設されているボルト・ナット等の固定具10によって
取付けられ、第3図および第6図の符号9Dは固定具10等
に異物の付着、絡みを防止するための突隆部であり、本
体9の全長に亘って延びている。The ground leveling plate body 9 is made of sheet metal or the like, and as shown in FIG. 3 and FIG. 6, the ground contact surface is a flat part 9A projecting and bending toward the ground, and the anti-ground contact surface is a flat part 9B, and a hollow part is formed inside. Fixing of bolts, nuts, etc. that have 9C, and the rear end of the cover 7 made of a flexible elastic film is inserted into the ground plate main body 9 and arranged in a row at a predetermined interval in the tilling width direction. Attached by the tool 10, reference numeral 9D in FIGS. 3 and 6 is a projecting ridge for preventing foreign matter from adhering to and entangled with the fixture 10, etc., and extends over the entire length of the main body 9.
可撓弾性膜体は、第5図で示す如く主カバー6の内面全
体に亘って符号11で示す如く延設されている。As shown in FIG. 5, the flexible elastic film body extends over the entire inner surface of the main cover 6 as indicated by reference numeral 11.
なお、カバー7は主カバー6の後端に屈折金具等を用い
て上下動自在に枢支した板金等よりなるものであっても
よい。The cover 7 may be made of a metal plate or the like that is pivotally supported at the rear end of the main cover 6 by using a refraction metal fitting or the like so as to be vertically movable.
整地板本体9は左右一対の弾持装置12によって対地方向
に弾性力が付与されているとともに、角度調整自在とさ
れている。弾持装置12は、主カバー6の後部上面に形成
した凹部13に、側面視略L形の支持アーム14を、ピン又
は軸15で前後方向に揺動自在に備え、支持アーム14の上
端に横軸廻りに回動自在として備えたコマ16に、前後方
向としてロッド17を摺動自在に挿通するとともに、機枠
側であるサポートアーム18に横軸廻りに回動自在として
備えた別のコマ19にも摺動自在でかつ離脱阻止して挿通
しており、該ロッド17上には支持アーム14を挟む前後に
おいてコイルバネ20,21を套嵌している。The ground plate main body 9 is elastically applied in the ground direction by a pair of left and right holding devices 12 and is adjustable in angle. The elastic holding device 12 is provided with a support arm 14 having a substantially L-shaped side view in a recess 13 formed on the rear upper surface of the main cover 6 so as to be swingable in the front-rear direction by a pin or a shaft 15, and at the upper end of the support arm 14. Another piece provided with a rod 17 slidably inserted in the front-rear direction in a top 16 which is rotatable about the horizontal axis and a support arm 18 on the machine frame side which is rotatable about the horizontal axis. The coil springs 20 and 21 are fitted on the rod 17 before and after the support arm 14 is sandwiched, respectively.
コイルバネ20,21はロッド17上に、軸方向に位置調整自
在として備えたハンドル付のクランプ金具22,23によっ
てその弾性力が強弱調整自在とされているとともに、コ
イルバネ20,21を自由状態にして弾性力が作用しないよ
うにもできる。The coil springs 20 and 21 have their elastic forces adjustable on the rod 17 by the clamp metal fittings 22 and 23 with a handle that is positionally adjustable in the axial direction, and the coil springs 20 and 21 are set in a free state. It is possible to prevent the elastic force from acting.
支持アーム14の水平方向杆部24は断面が逆コ形とされて
おり、この杆部24には下向筒杆25が固設してあり、この
下向筒杆25には下端が整地板本体9の平坦部分9Bに固着
した金具26にピン27で枢支された支持杆28が伸縮調整固
定自在として挿通されている。なお、支持杆28に所定間
隔おいて形成した引掛部28Aに、下向筒杆25に取付けて
いるクランプ部材29を係脱することで伸縮調整固定自在
とされている。The horizontal rod portion 24 of the support arm 14 has an inverted U-shaped cross section, and a downward pipe rod 25 is fixed to the rod portion 24. The downward pipe rod 25 has a lower end with a grounding plate. A support rod 28 pivotally supported by a pin 27 is inserted into a metal fitting 26 fixed to a flat portion 9B of the main body 9 so as to be adjustable in expansion and contraction. The clamp member 29 attached to the downward cylinder rod 25 is engaged with and disengaged from the hooking portions 28A formed on the support rod 28 at predetermined intervals, so that the extension and contraction can be fixed.
ここに、支持杆28の伸縮調整によって、耕耘部4と整地
板本体9との前後間隔が作業状況に応じて変更自在とさ
れ、また、クランプ金具22,23にるコイルバネ20,21の強
弱調整で接地圧が調整自在とされている。Here, by adjusting the expansion and contraction of the support rod 28, the front-rear distance between the tilling part 4 and the ground plate main body 9 can be freely changed according to the work situation, and the strength of the coil springs 20 and 21 in the clamp fittings 22 and 23 can be adjusted. The ground pressure is adjustable.
更に、平坦部9Bには金具30が固設され、この金具30にピ
ン31によって2又状のヤグラ金具32が枢支され、このヤ
グラ金具23に支持杆28が上下方向に挿入されている。こ
の支持杆28に左右方向として一対のピン33が突出されて
いて、このピン33が係脱自在とされる角度調整孔34がヤ
グラ金具32に形成してあり、ここに、第6図で示す如く
調整孔34の係合部34Aにピン33を選択して係合すること
によって、整地板本体9の角度が変更自在とされてい
る。なお、ヤグラ金具32は、ピン31に巻付けたツル巻バ
ネ35によって係合部34Aをピン33に係合すべく付勢して
おり、ヤグラ金具32には係合解除用の操作部36を有す
る。なお、この操作部36は個々のヤグラ金具32に取付け
てもよいが、左右一対のヤグラ金具32を互いに棒材で連
結したものであってもよい。Further, a metal fitting 30 is fixedly mounted on the flat portion 9B, and a bifurcated yagura metal fitting 32 is pivotally supported on the metal fitting 30 by a pin 31, and a support rod 28 is vertically inserted into the yagra metal fitting 23. A pair of pins 33 are projected from the supporting rod 28 in the left-right direction, and an angle adjusting hole 34 is formed in the yagura metal fitting 32 so that the pin 33 can be engaged and disengaged, as shown in FIG. By selectively engaging the pin 33 with the engaging portion 34A of the adjusting hole 34, the angle of the ground plate main body 9 can be changed. In addition, the yagura metal fitting 32 is biased so that the engaging portion 34A is engaged with the pin 33 by the temple winding spring 35 wound around the pin 31, and the yagura metal fitting 32 is provided with an operation portion 36 for releasing the engagement. Have. The operating portion 36 may be attached to the individual yagura metal fittings 32, but a pair of left and right yagura metal fittings 32 may be connected to each other by a rod member.
ロータリカバー7を、弾性膜体で構成したとき、整地板
本体9の調整等により、該カバー7がたるむことがあ
り、このため、弾性膜体の上面に取付けた金具37と杆部
24とに亘ってコイルバネ38が掛張されている。なお、第
5図において、39はレーキ杆を示しており、耕耘部4を
アップカット方向に回転したときに篩作用をするもの
で、耕幅方向に所定間隔おいて列設してある。When the rotary cover 7 is formed of an elastic film body, the cover 7 may sag due to adjustment of the ground plate main body 9 or the like. Therefore, the metal fitting 37 and the rod portion attached to the upper surface of the elastic film body may be included.
A coil spring 38 is stretched over 24. In FIG. 5, reference numeral 39 denotes a rake rod, which acts as a sieve when the tiller 4 is rotated in the upcut direction, and is arranged in rows at a predetermined interval in the tiller width direction.
整地板本体9の側部には、サイド伝動ケース40の跡消
し、ドーザー(土寄せ)、代掻等の観点から、第1図お
よび第2図に示すように延長板41が前後方向の軸心を支
点に、折畳み自在に備えられている。From the viewpoint of erasing the side transmission case 40, dozer (dirt), scraping, etc., the extension plate 41 is provided on the side of the ground plate main body 9 in the longitudinal direction as shown in FIG. 1 and FIG. It is equipped so that it can be folded around.
第9図はロータリ耕耘装置1の後方に、左右一対の牽引
棒42を介して代掻整地板本体43が設けられたものを示
し、同図において、44が弾持装置である。FIG. 9 shows a rotary tiller 1 provided with a substitute ground leveling plate main body 43 via a pair of left and right pulling rods 42. In FIG. 9, reference numeral 44 is an ammunition holding device.
第4図、第5図で示した整地板本体9における左右側部
の双方又は一方に、延長板41が、又、第9図で示した本
体43における左右側部の双方又は一方に、延長板41が、
第1図および第2図に示す手段で折畳み自在に備えられ
ている。An extension plate 41 is extended to both or one of the left and right side portions of the grounding plate body 9 shown in FIGS. 4 and 5, and to both or one of the left and right side portions of the body 43 shown in FIG. Board 41
It is provided so as to be foldable by the means shown in FIGS. 1 and 2.
第1図、第2図において、本体9,43(以下、本体9を代
表して例示する)の側部における反接地面側に、前後一
対のブラケット45,46が立設固定されている。In FIGS. 1 and 2, a pair of front and rear brackets 45, 46 is vertically fixed to the side of the main body 9, 43 (hereinafter, the main body 9 is representatively illustrated) on the side opposite to the ground contact surface.
また、延長板41の反接地面側に、前後一対のブラケット
47,48が立設固定されており、本体9のブラケット45,46
と延長板41のブラケット47,48とを重ね合せて前後方向
に軸心を有する連結体49で枢支連結している。In addition, a pair of front and rear brackets are provided on the side of the extension plate 41 opposite to the ground surface.
47 and 48 are fixed upright, and brackets 45 and 46 of the main body 9
And the brackets 47 and 48 of the extension plate 41 are overlapped with each other and are pivotally connected by a connecting body 49 having an axial center in the front-rear direction.
延長板41の各ブラケット47,48は、連結体49を中心とす
る円弧外周面47A,48Aを有して本体9の各ブラケット45,
46に重合されており、前記外周面47A,48Aの下部におい
て前後方向の軸心を有するL字形の位置決め体50が、本
体9の各ブラケット45,46にその軸心廻りに回動自在と
して設けられており、この位置決め体50と延長板41とに
わたってコイルバネ51が弾引掛張されている。Each of the brackets 47, 48 of the extension plate 41 has arcuate outer peripheral surfaces 47A, 48A with the connecting body 49 as the center, and each bracket 45,
An L-shaped positioning body 50, which is superposed on the outer peripheral surface 47A, 48A and has an axial center in the front-rear direction, is provided on each bracket 45, 46 of the main body 9 so as to be rotatable around the axial center. A coil spring 51 is elastically stretched over the positioning body 50 and the extension plate 41.
位置決め体50はその操作部50Aに続く軸部50Bが円形の棒
体とされており、延長板41における各ブラケット47,48
の円弧外周面47A,48Aと直交され、該外周面47A,48Aに形
成した凹部52に対して係合する係合部53と円弧外周面47
A,48Aの回動を許容する切欠状の回動許容部54とを有し
ている。The positioning body 50 has a shaft portion 50B following the operation portion 50A which is a circular rod body, and each of the brackets 47, 48 in the extension plate 41.
Of the circular arc outer peripheral surfaces 47A and 48A, which are orthogonal to the circular arc outer peripheral surfaces 47A and 48A and engage with the recesses 52 formed in the outer peripheral surfaces 47A and 48A
It has a notch-shaped rotation permitting portion 54 that allows the rotation of A and 48A.
従って、延長板41を第7図で示す如く本体9の側部に延
長姿勢に保持して位置決めしているときは、凹部52に係
合部53が係合されていて延長板41の回動が規制され、こ
こに、浮上力Fが作用しても延長板41の延長姿勢は保持
される。一方、延長板41を本体9上に折畳むには、位置
決め体50の操作部50Aを、第8図の矢示B方向に回動さ
せると、凹部52から係合部53が離脱(退出)するととも
に、凹部52と回動許容部54とが相対し、ここに、延長板
41の連結体49を中心とする回動を許す。Therefore, as shown in FIG. 7, when the extension plate 41 is held and positioned on the side portion of the main body 9 in the extended posture, the engaging portion 53 is engaged with the recess 52 and the extension plate 41 rotates. Is regulated, and the extension posture of the extension plate 41 is maintained even if the levitation force F acts on the extension plate 41. On the other hand, in order to fold the extension plate 41 on the main body 9, the operating portion 50A of the positioning body 50 is rotated in the direction of the arrow B in FIG. At the same time, the concave portion 52 and the rotation permitting portion 54 face each other, and the extension plate
Rotation around the connecting body 49 of 41 is allowed.
そこで、延長板41を持上げ、バネ51が連結体49の位置を
越えると不安定切換となり、延長板41は本体9上に折畳
まれる。なお、この折畳み状態において、本体9のブラ
ケット46に、延長板41のブラケット48が当接すべく受面
部48Bを形成している。Therefore, when the extension plate 41 is lifted and the spring 51 exceeds the position of the connecting body 49, unstable switching is performed, and the extension plate 41 is folded on the main body 9. In this folded state, the bracket 46 of the main body 9 is formed with the receiving surface portion 48B so that the bracket 48 of the extension plate 41 abuts.
なお、バネ51は対に設けてもよく、連結体49は1本の軸
であってもよい。The springs 51 may be provided in pairs, and the connecting body 49 may be a single shaft.
また、第5図で示す如く整地板本体9を対地に対して略
垂直姿勢に保持しておき、この本体9の側部に、延長板
41を延長状態にしたときには、この本体9等によってド
ーザー作業を実施することができ、このとき、カバー7
は図示の如く後方突出状に弯曲される。Further, as shown in FIG. 5, the grounding plate main body 9 is held in a substantially vertical posture with respect to the ground, and an extension plate is provided on a side portion of the main body 9.
When the 41 is extended, the dozer work can be performed by the main body 9 or the like.
Is curved so as to project backward as shown.
そして、作業状況に応じる整地板9の上下調整、角度調
整のとき、クランプ金具22,23を弛めてロッド17上で摺
動することにより、コイルバネ20,21をフリー(自由状
態)にすることもできる。Then, at the time of vertical adjustment and angle adjustment of the leveling plate 9 according to the working situation, the coil springs 20 and 21 are made free (free state) by loosening the clamp fittings 22 and 23 and sliding on the rod 17. You can also
(考案の効果) 本考案によれば、前記整地板本体のブラケットに、前後
方向の軸心を有する位置決め体がその軸心廻りで回動自
在とて備えられ、該位置決め体には、延長姿勢にある延
長板のブラケットに対して前記連結体を中心とする回動
を阻止する係合部と位置決め体の回動で前記延長板のブ
ラケットの回動を許容する回動許容部とを有しているの
で、延長板の延長姿勢と折畳み姿勢との切換(変更)
は、位置決め体の軸心廻りの回動によってでき、従っ
て、延長板の姿勢変更は所謂ワンタッチ操作で行ない
得、その取扱いが簡単である。(Advantages of the Invention) According to the present invention, the bracket of the ground plate main body is provided with a positioning body having an axis in the front-rear direction so as to be rotatable around the axis, and the positioning body has an extended posture. An engaging portion for preventing rotation of the extension plate bracket about the connecting body and a rotation permitting portion for permitting rotation of the extension plate bracket by rotation of the positioning body. Since the extension plate is extended, the extension position and the folding position can be switched (changed).
Can be performed by rotating the positioning body around the axis, and therefore the posture of the extension plate can be changed by a so-called one-touch operation, and its handling is easy.
本考案は以上の利点を有し、実益大である。The present invention has the above advantages and is of great benefit.
【図面の簡単な説明】 図面は本考案の実施例を示し、第1図は本案実施例の要
部平面図、第2図は同じく背面図で、作動を併せて示し
ており、第3図は第1図D−D線断面側面図、第4図は
本案を適用するロータリ耕耘装置の側面図、第5図は同
じく側面断面図、第6図は整地板本体の取付け部を詳細
に示す側面断面図、第7図は延長板の延長姿勢を示す背
面図、第8図は折畳み姿勢を示す背面図、第9図は本案
を適用する代掻装置の側面図である。 7…ロータリカバー、9,43…整地板本体、45,46,47,48
…ブラケット、49…連結体、50…位置決め体、53…係合
部、54…回動許容部。BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an embodiment of the present invention, FIG. 1 is a plan view of a main part of the embodiment of the present invention, and FIG. 2 is a rear view of the same, showing the operation together, and FIG. 1 is a cross-sectional side view taken along line D-D of FIG. 1, FIG. 4 is a side view of a rotary tilling device to which the present invention is applied, FIG. 5 is a side cross-sectional view of the same, and FIG. FIG. 7 is a side sectional view, FIG. 7 is a rear view showing an extended posture of the extension plate, FIG. 8 is a rear view showing a folded posture, and FIG. 9 is a side view of a skid device to which the present invention is applied. 7 ... Rotary cover, 9,43 ... Grounding plate body, 45,46,47,48
... Bracket, 49 ... Connection body, 50 ... Positioning body, 53 ... Engagement portion, 54 ... Rotation allowance portion.
Claims (1)
(9)又は代掻整地板本体(43)の側部で反接地面側
に、前後一対のブラケット(45)(46)が固設され、延
長板(41)の反接地面側に、前記ブラケット(45)(4
6)に重合される前後一対のブラケット(47)(48)が
固設され、前記整地板本体(9)(43)のブラケット
(45)(46)と延長板(41)のブラケット(47)(48)
とを前後方向の軸心を有する連結体(49)で枢支連結し
て延長板(41)を、前記整地板本体(9)(43)の側部
で折畳み姿勢と延長姿勢とに変更自在にしたものにおい
て、 前記整地板本体(9)(43)のブラケット(45)(46)
に、前後方向の軸心を有する位置決め体(50)がその軸
心廻りで回動自在として備えられ、該位置決め体(50)
には、延長姿勢にある延長板(41)のブラケット(47)
(48)に対して前記連結体(49)を中心とする回動を阻
止する係合部(53)と位置決め体(50)の回動で前記延
長板(41)のブラケット(47)(48)の回動を許容する
回動許容部(54)とを有していることを特徴とする対地
用延長板の取付装置。1. A pair of front and rear brackets (45) (46) are fixed on the side of the ground plate main body (9) or the scraping ground plate main body (43) at the rear end of the rotary cover (7) on the side opposite to the ground contact surface. The bracket (45) (4) is installed on the side of the extension plate (41) opposite the ground contact surface.
A pair of front and rear brackets (47) (48) that are overlapped with 6) are fixedly installed, and the brackets (45) (46) of the ground plate main body (9) (43) and the bracket (47) of the extension plate (41) are fixed. (48)
The extension plate (41) can be freely changed into a folding position and an extension position by the side portions of the ground plate main bodies (9) and (43) by pivotally connecting and with a connecting body (49) having a longitudinal axis. The brackets (45) (46) of the ground plate main body (9) (43)
Further, a positioning body (50) having a longitudinal axis is provided rotatably around the axial center, and the positioning body (50) is provided.
The bracket (47) of the extension plate (41) in the extended position
The bracket (47) (48) of the extension plate (41) is rotated by the rotation of the engaging part (53) and the positioning body (50) that prevent rotation around the connecting body (49) with respect to the (48). ), And a rotation permitting portion (54) for permitting the rotation of (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1819089U JPH075Y2 (en) | 1989-02-18 | 1989-02-18 | Mounting device for extension plate for ground |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1819089U JPH075Y2 (en) | 1989-02-18 | 1989-02-18 | Mounting device for extension plate for ground |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02111204U JPH02111204U (en) | 1990-09-05 |
JPH075Y2 true JPH075Y2 (en) | 1995-01-11 |
Family
ID=31232611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1819089U Expired - Lifetime JPH075Y2 (en) | 1989-02-18 | 1989-02-18 | Mounting device for extension plate for ground |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH075Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5225943B2 (en) * | 2009-07-16 | 2013-07-03 | 三菱農機株式会社 | Rotary tillage device |
-
1989
- 1989-02-18 JP JP1819089U patent/JPH075Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH02111204U (en) | 1990-09-05 |
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