JP2514217Y2 - Rotational posture adjustment structure of the tiller - Google Patents
Rotational posture adjustment structure of the tillerInfo
- Publication number
- JP2514217Y2 JP2514217Y2 JP1989082406U JP8240689U JP2514217Y2 JP 2514217 Y2 JP2514217 Y2 JP 2514217Y2 JP 1989082406 U JP1989082406 U JP 1989082406U JP 8240689 U JP8240689 U JP 8240689U JP 2514217 Y2 JP2514217 Y2 JP 2514217Y2
- Authority
- JP
- Japan
- Prior art keywords
- rotary
- cultivator
- adjusting device
- main body
- electric cylinder
- 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 - Fee Related
Links
Landscapes
- Soil Working Implements (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Description
【考案の詳細な説明】 (イ) 産業上の利用分野 本考案は、耕耘機のロータリ部姿勢調節構造に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a posture adjusting structure for a rotary part of a cultivator.
(ロ) 従来の技術 従来、耕耘機の一実施例として、自走可能な耕耘機本
体に、ロータリ部を揺動連結部を介して連結して、同ロ
ータリ部を耕耘機本体の前後方向の軸線廻りに揺動自在
とし、上記揺動連結部と耕耘機本体との間にロータリ部
姿勢調節装置を介設したものがある。(B) Conventional technology Conventionally, as an example of a cultivator, a rotary part is connected to a self-propelled cultivator body via a swing connection part, and the rotary part is connected in a front-back direction of the cultivator body. There is a type in which a rotary portion attitude adjusting device is interposed between the swing connecting portion and the cultivator main body so as to be swingable around an axis.
そして、ロータリ部姿勢調節装置は、揺動連結部に設
けた連結部側ステーと、耕耘機本体に設けた本体側ステ
ーとの間に電動シリンダを介設し、同電動シリンダを制
御部を介して伸縮作動させることにより、ロータリ部を
水平姿勢より右上りの傾斜姿勢又は左上りの傾斜姿勢に
変更して、畦際耕耘や凹凸のある圃場内でのロータリ部
の水平制御が行なえるようにしている。Then, the rotary portion attitude adjusting device has an electric cylinder provided between the connecting portion side stay provided in the swing connecting portion and the main body side stay provided in the cultivator body, and the electric cylinder is provided through the control portion. By extending and retracting the rotary part, the rotary part is changed to a tilted position to the upper right or to the upper left, so that horizontal control of the rotary part can be performed in the fields with ridges and uneven fields. ing.
(ハ) 考案が解決しようとする課題 ところが、上記したロータリ部姿勢調節装置では、耕
耘作業中に、ロータリ部が石を掻み込んだり、圃場面の
凹凸によりロータリ部に突き上げ方向の衝撃力が発生し
た際に、電動シリンダの連結部や揺動連結部が損傷等さ
れるという不具合があった。(C) Problems to be Solved by the Invention However, in the rotary position adjusting device described above, during rotary work, the rotary part scrapes stones, and due to the unevenness of the field, an impact force in the thrusting direction is applied to the rotary part. When this occurs, there is a problem that the connecting portion and the swing connecting portion of the electric cylinder are damaged.
(ニ) 課題を解決するための手段 そこで、本考案では、自走可能な耕耘機本体に、ロー
タリ部を揺動連結部を介して連結して、同ロータリ部を
耕耘機本体の前後方向の軸線廻りに揺動自在とし、上記
揺動連結部と耕耘機本体との間にロータリ部姿勢調節装
置を介設してなる耕耘機のロータリ部姿勢調節構造にお
いて、ロータリ部姿勢調節装置を、揺動連結部に設けた
連結部側ステーと、耕耘機本体に設けた本体側ステーと
の間に電動シリンダを介設し、同電動シリンダの伸縮作
動に連動して両ステーの対向間隔を調節して、ロータリ
部の傾斜姿勢を調節可能に構成すると共に、電動シリン
ダの上端と本体側ステーとの間に緩衝体を介設したこと
を特徴とする耕耘機のロータリ部姿勢調節構造を提供せ
んとするものである。(D) Means for Solving the Problems In the present invention, therefore, the rotary part is connected to the self-propelled cultivator body via the swing connection part, and the rotary part is connected in the front-back direction of the cultivator body. In a rotary attitude adjusting structure for a cultivator, wherein the rotary attitude adjusting device is swingable around an axis, and the rotary attitude adjusting device is interposed between the swing connecting portion and the cultivator main body, the rotary attitude adjusting device is shaken. An electric cylinder is provided between the stay on the moving part and the stay on the main body of the cultivator, and the facing distance between both stays is adjusted in conjunction with the expansion and contraction of the electric cylinder. And a structure for adjusting the tilt posture of the rotary portion, and a cushioning body is provided between the upper end of the electric cylinder and the stay on the main body side to provide a posture adjusting structure for the rotary portion of the cultivator. To do.
(ホ) 作用・効果 本考案によれば、次のような作用効果が生起される。(E) Action / Effect According to the present invention, the following action / effect is produced.
すなわち、本考案では、電動シリンダ上端と本体側ス
テーとの間に緩衝体を介設しているために、耕耘作業中
に、ロータリ部が石を掻み込んだり、圃場面の凹凸によ
りロータリ部に突き上げ方向の衝撃力が作用した際に
も、緩衝体が衝撃力を吸収するために、連結部や揺動連
結部が損傷等されるのを防止することができて、電動シ
リンダによるロータリ部の姿勢調節を良好に確保するこ
とができ、ロータリ部による耕耘作業能率を向上させる
ことができる。That is, in the present invention, since the cushioning body is provided between the upper end of the electric cylinder and the stay on the main body side, the rotary portion scrapes stones during the plowing work, or the rotary portion is roughened due to unevenness in the field. Even when an impact force in the thrust direction is applied to the, the shock absorber absorbs the impact force, so that it is possible to prevent damage to the connecting portion and the swing connecting portion, and the rotary portion by the electric cylinder can be prevented. It is possible to satisfactorily secure the posture adjustment of, and it is possible to improve the efficiency of the tilling work by the rotary portion.
(ヘ) 実施例 以下に、本考案の実施例を図面にもとづき詳説する。(F) Embodiment Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
第1図に示す(A)は、本考案に係るロータリ部姿勢
調節構造を具備する耕耘機であり、同耕耘機(A)は、
自走可能な耕耘機本体(10)に、ロータリ部(20)を揺
動連結部(30)を介して連結して、同ロータリ部(20)
を耕耘機本体(10)の前後方向の軸線廻りに揺動自在と
し、上記揺動連結部(30)と耕耘機本体(10)との間に
ロータリ部姿勢調節装置(40)を介設して構成してい
る。(A) shown in FIG. 1 is a cultivator equipped with a rotary posture adjusting structure according to the present invention. The cultivator (A) is
The rotary part (20) is connected to the self-propelled cultivator body (10) through the swing connection part (30), and the rotary part (20) is connected.
Is swingable around the longitudinal axis of the cultivator body (10), and a rotary part posture adjusting device (40) is provided between the swing coupling part (30) and the cultivator body (10). Are configured.
そして、耕耘機本体(10)は、機体フレーム(11)上
に原動機部(12)を設け、同機体フレーム(11)の後端
にミッションケース(13)の下端部を取付け、同ミッシ
ョンケース(13)の下部左右側に車輪(17)(17)を取
付け、同ミッションケース(13)の上端部と原動機部
(12)との間に連動ケース(14)を介して連動連結し、
ミッションケース(13)の上端部後面より後上方へ向け
てハンドル台(15)を伸延させ、同ハンドル台(15)の
先端にハンドル(16)を取付けて構成している。The cultivator body (10) is provided with a prime mover section (12) on the machine body frame (11), and a lower end portion of a mission case (13) is attached to a rear end of the machine body frame (11). Wheels (17) and (17) are attached to the lower left and right sides of 13), and the upper end of the transmission case (13) and the prime mover section (12) are interlockingly connected via the interlocking case (14),
The handle base (15) is extended rearward and upward from the rear surface of the upper end of the mission case (13), and the handle (16) is attached to the tip of the handle base (15).
また、ロータリ部(20)は、ロータリフレーム(21)
の前端部にロータリケース(22)を取付け、同ロータリ
ケース(22)の下端部にロータリ爪(23)を取付け、ロ
ータリフレーム(21)の後端部には尾輪(24)を取付け
て構成している。The rotary part (20) is the rotary frame (21).
The rotary case (22) is attached to the front end of the rotary case (22), the rotary claw (23) is attached to the lower end of the rotary case (22), and the tail wheel (24) is attached to the rear end of the rotary frame (21). are doing.
そして、ロータリケース(22)と前記ミッションケー
ス(13)とは、伝動機構(18)を介して連動連結してい
る。The rotary case (22) and the mission case (13) are interlockingly connected via a transmission mechanism (18).
また、揺動連結部(30)は、第2図及び第3図に示す
ように、ミッションケース(13)の後面中途部より直後
方へ突設した固定パイプ(31)に、ロータリケース(2
2)の上端部前面より直前方へ突設した回動パイプ(3
2)を回動自在に嵌合して構成している。Further, as shown in FIG. 2 and FIG. 3, the swing connecting portion (30) is fixed to the fixed pipe (31) projecting right after the midway portion of the rear surface of the mission case (13) to the rotary case (2).
Rotating pipe (3
2) is rotatably fitted.
また、ロータリ部姿勢調節装置(40)は、本考案の要
旨をなすものであり、揺動連結部(30)の回動パイプ
(32)の左側周面に突設した連結部側ステー(41)と、
耕耘機本体(10)のハンドル台(15)の基部左側面に突
設した本体側ステー(42)との間に、ロッド(43)を連
結位置調節固定自在に介設して構成している。The rotary part posture adjusting device (40) is the subject of the present invention, and the connecting part side stay (41) is provided on the left peripheral surface of the pivot pipe (32) of the swinging connecting part (30). )When,
A rod (43) is interposed between the main body stay (42) protruding from the left side of the base of the handle base (15) of the cultivator main body (10) so that the connecting position can be adjusted and fixed. .
そして、上記ステー(41)(42)の先端部にそれぞれ
ピン孔(41a)(42a)を設け、ロッド(43)の上部にピ
ン挿通孔(44)を、同ロッド(43)の軸線方向に一定の
間隔を開けて少なくとも三個設け、同ロッド(43)の下
端部にピン挿通孔(45)を少なくとも一個設けて、上記
ステー(41)(42)のピン孔(41a)(42a)とロッド
(43)のピン挿通孔(44)(45)とを符合させて、上下
側連結ピン(46)(47)を抜差し自在に挿通して連結し
ている。The stays (41) (42) are provided with pin holes (41a) (42a) at their tip ends, and the pin (43) is provided with a pin insertion hole (44) in the axial direction of the rod (43). At least three holes are provided at regular intervals, at least one pin insertion hole (45) is provided at the lower end of the rod (43), and the pin holes (41a) (42a) of the stays (41) (42) are provided. The upper and lower connecting pins (46) (47) are inserted into and removed from the rod (43) so that they are aligned with the pin insertion holes (44) (45).
そして、上記した三個のピン挿通孔(44)の内、中央
部のピン挿通孔(44)を介してロッド(43)を連結側ス
テー(41)に連結した場合には、ロータリ部(20)を水
平姿勢に保つことができる。When the rod (43) is connected to the connecting side stay (41) through the pin insertion hole (44) in the central portion of the three pin insertion holes (44) described above, the rotary portion (20 ) Can be kept horizontal.
また、最上部のピン挿通孔(44)を介してロッド(4
3)を連通部側ステー(41)に連結した場合には、ロー
タリ部(20)が背面視にて右上りの傾斜姿勢に保つこと
ができる。In addition, the rod (4
When 3) is connected to the communication part side stay (41), the rotary part (20) can be kept in an inclined posture in the upper right direction when viewed from the rear.
また、最下部のピン挿通孔(44)を介してロッド(4
3)を連結部側ステー(41)に連結した場合には、ロー
タリ部(20)を背面視にて左上りの傾斜姿勢に保つこと
ができる。In addition, the rod (4
When 3) is connected to the connecting portion side stay (41), the rotary portion (20) can be maintained in a tilted posture to the upper left in rear view.
かかるロータリ部(20)の姿勢調節は、上側連結ピン
(46)を抜差しして、両ステー(41)(42)の対向間隔
を変更することにより簡単に行なうことができ、ピン挿
通孔(44)の数を多くすると共に、同ピン挿通孔(44)
の間隔を小さくすることにより、ロータリ部(20)の傾
斜姿勢を微妙に調節することができる。The attitude of the rotary part (20) can be easily adjusted by inserting and removing the upper connecting pin (46) and changing the facing distance between the stays (41) and (42). ) And the pin insertion hole (44)
By reducing the distance between the two, the tilted posture of the rotary part (20) can be finely adjusted.
また、本実施例では、ロッド(43)の上部側の連結を
調節するようにしているが、同ロッド(43)の下部側の
連結を調節するようにすることもできる。Further, in the present embodiment, the connection on the upper side of the rod (43) is adjusted, but the connection on the lower side of the rod (43) may be adjusted.
また、第4図は、他の実施例としてのロータリ部姿勢
調節装置(40)を示しており、同調節装置(40)は、尾
輪(24)の昇降位置調節を行なう既存の尾輪昇降装置を
代用しているものである。Further, FIG. 4 shows a rotary part posture adjusting device (40) as another embodiment. The adjusting device (40) is an existing tail wheel elevating device for adjusting the elevating position of the tail wheel (24). It is a substitute for the device.
すなわち、上記調節装置(40)は、下端を連結部側ス
テー(41)に取付け、かつ、上部内周面に雌ネジ部を有
する雌ネジ管(50)と、上部外周面に雄ネジ部を有し、
かつ上端部にハンドル(51)を取付けた雄ネジ棒(52)
を螺着し、同螺着部の外周にガイド管(53)を取付け
て、同ガイド管(53)を本体側ステー(42)に取付けて
いる。That is, in the adjusting device (40), the lower end is attached to the connecting portion side stay (41), and the female screw pipe (50) having a female screw portion on the upper inner peripheral surface and the male screw portion on the upper outer peripheral surface are provided. Have,
And a male screw rod (52) with a handle (51) attached to the upper end
Is screwed on, the guide tube (53) is attached to the outer periphery of the screwed portion, and the guide tube (53) is attached to the main body side stay (42).
また、第5図は、もう一つの他の実施例としてのロー
タリ部姿勢調節装置(40)を示しており、同調節装置
(40)は、連結部側ステー(41)に電動シリンダ(55)
の下端を連結ピン(56)により連結し、本体側ステー
(42)に電動シリンダ(55)の上端をダブルスプリング
(57)を具備する緩衝体(58)を介して連結している。Further, FIG. 5 shows a rotary part posture adjusting device (40) as another embodiment, and the adjusting device (40) has an electric cylinder (55) in the connecting part side stay (41).
The lower end of the electric cylinder (55) is connected to the main body side stay (42) via a shock absorber (58) having a double spring (57).
しかも、ダブルスプリング(57)と電動シリンダ(5
5)とは、一定以上の衝撃荷重が作用した場合に折損す
る安全ピン(59)により連結している。Moreover, the double spring (57) and the electric cylinder (5
5) is connected with a safety pin (59) that breaks when an impact load above a certain level is applied.
このように、電動シリンダ(55)に作動する引張り・
圧縮方向の異常衝撃荷重を緩衝体(58)により段階的に
緩和し、同緩衝体(58)により吸収できない衝撃荷重
は、安全ピン(59)の折損により吸収して、電動シリン
ダ(55)には直接衝撃荷重が作用しないようにしてい
る。In this way, pulling that operates on the electric cylinder (55)
Abnormal impact load in the compression direction is gradually mitigated by the shock absorber (58), and shock load that cannot be absorbed by the shock absorber (58) is absorbed by the breakage of the safety pin (59) and stored in the electric cylinder (55). Prevents direct impact load from acting.
また、第6図〜第8図は、更にもう一つの他の実施例
としてのロータリ部姿勢調節装置(40)を示しており、
同調節装置(40)は、連結部側ステー(41)に電動シリ
ンダ(60)の下端を連結ピン(61)により連結し、本体
側ステー(42)に電動シリンダ(60)の上端を緩衝材
(62)を具備するシリンダ受け(63)を介して連結して
いる。Further, FIGS. 6 to 8 show a rotary portion posture adjusting device (40) as yet another embodiment,
In the adjusting device (40), the lower end of the electric cylinder (60) is connected to the connecting part side stay (41) by a connecting pin (61), and the upper end of the electric cylinder (60) is connected to the main body stay (42) with a cushioning material. They are connected via a cylinder receiver (63) having (62).
そして、上記緩衝材(62)は筒状に形成して、シリン
ダ受け(63)に設けたピン挿入孔(64)の内周面に圧入
しており、同緩衝材(62)中にステー連結ピン(65)を
挿入して本体側ステー(42)にシリンダ受け(63)を連
通可能としている。(66)は、シリンダ受け(63)と電
動シリンダ(60)の上端とを連結するシリンダ連結ピン
である。The cushioning material (62) is formed in a tubular shape, and is press-fitted into the inner peripheral surface of the pin insertion hole (64) provided in the cylinder receiver (63). The cylinder receiver (63) can be communicated with the stay (42) on the main body side by inserting the pin (65). (66) is a cylinder connecting pin that connects the cylinder receiver (63) and the upper end of the electric cylinder (60).
このようにして、緩衝材(62)により電動シリンダ
(60)に作用する衝撃荷重を低減し、同電動シリンダ
(60)を保護することができるようにしている。In this way, the shock absorbing load acting on the electric cylinder (60) is reduced by the cushioning material (62), and the electric cylinder (60) can be protected.
そして、緩衝材(62)が疲労した場合には、シリンダ
受け(63)自体を取替えることにより、メンテナンスを
安価にして楽に行なえるようにしている。When the cushioning material (62) becomes fatigued, the cylinder receiver (63) itself is replaced so that maintenance can be performed at low cost and can be performed easily.
本考案の実施例は、上記のように構成しているもので
あり、本実施例によれば、以下のような作用効果が生起
される。The embodiment of the present invention is configured as described above, and according to this embodiment, the following operational effects are produced.
すなわち、ロータリ部姿勢調節装置(40)を、連結部
側ステー(41)と本体側ステー(42)との間にロッド
(43)を連結位置調節自在に介設して構成しているため
に、同装置(40)のコストを大幅に低減させることがで
き、耕耘機(A)自体のコストも大幅に低減でき、需要
者にとって購入が容易になる。That is, since the rotary portion attitude adjusting device (40) is configured to include the rod (43) between the connecting portion side stay (41) and the main body side stay (42) so that the connecting position is adjustable. The cost of the device (40) can be significantly reduced, the cost of the cultivator (A) itself can be significantly reduced, and the purchase becomes easy for consumers.
第1図は、本考案に係るロータリ部姿勢調整構造を具備
する耕耘機の側面図。 第2図は、同要部の側面図。 第3図は、同要部の断面背面図。 第4図は、他の実施例としてのロータリ部姿勢調節装置
の側面図。 第5図は、もう一つの他の実施例としてのロータリ部姿
勢調節装置の断面背面図。 第6図は、更にもう一つの他の実施例としてのロータリ
部姿勢調節装置の断面背面図。 第7図は、同調節装置の平面図。 第8図は、同調節装置の部分断面図。 (A):耕耘機 (10):耕耘機本体 (20):ロータリ部 (30):揺動連結部 (40):ロータリ部姿勢調節装置 (41):連結部側ステー (42):本体側ステー (43):ロッドFIG. 1 is a side view of a cultivator having a rotary attitude adjusting structure according to the present invention. FIG. 2 is a side view of the main part. FIG. 3 is a cross-sectional rear view of the main part. FIG. 4 is a side view of a rotary attitude adjusting device according to another embodiment. FIG. 5 is a sectional rear view of a rotary portion attitude adjusting device as another embodiment. FIG. 6 is a cross-sectional rear view of a rotary portion attitude adjusting device as yet another embodiment. FIG. 7 is a plan view of the adjusting device. FIG. 8 is a partial sectional view of the adjusting device. (A): Cultivator (10): Cultivator body (20): Rotary part (30): Swiveling connection part (40): Rotary part attitude adjustment device (41): Connection part side stay (42): Main body side Stay (43): Rod
Claims (1)
部(20)を揺動連結部(30)を介して連結して、同ロー
タリ部(20)を耕耘機本体(10)の前後方向の軸線廻り
に揺動自在とし、上記揺動連結部(30)と耕耘機本体
(10)との間にロータリ部姿勢調節装置(40)を介設し
てなる耕耘機のロータリ部姿勢調節構造において、 ロータリ部姿勢調節装置(40)を、揺動連結部(30)に
設けた連結部側ステー(41)と、耕耘機本体(10)に設
けた本体側ステー(42)との間に、電動シリンダ(55)
を介設し、同電動シリンダ(55)の伸縮作動に連動して
両ステー(41)(42)の対向間隔を調節して、ロータリ
部(20)の傾斜姿勢を調節可能に構成すると共に、電動
シリンダ(55)の上端と本体側ステー(42)との間に緩
衝体(58)を介設したことを特徴とする耕耘機のロータ
リ部姿勢調節構造。1. A rotary unit (20) is connected to a self-propelled tiller body (10) via a swing connecting portion (30), and the rotary unit (20) is attached to the tiller body (10). A rotary part of a cultivator, which is swingable around an axis line in the front-rear direction, and in which a rotary part attitude adjusting device (40) is provided between the oscillating connection part (30) and the cultivator body (10). In the posture adjusting structure, the rotary posture adjusting device (40) includes a connecting portion side stay (41) provided in the swing connecting portion (30) and a main body side stay (42) provided in the cultivator main body (10). Electric cylinders between (55)
And the interlocking distance between the stays (41) and (42) is adjusted in conjunction with the expansion and contraction operation of the electric cylinder (55) so that the tilted posture of the rotary portion (20) can be adjusted. A rotary part posture adjusting structure for a cultivator, comprising a cushioning body (58) provided between the upper end of the electric cylinder (55) and the main body side stay (42).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989082406U JP2514217Y2 (en) | 1989-07-12 | 1989-07-12 | Rotational posture adjustment structure of the tiller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989082406U JP2514217Y2 (en) | 1989-07-12 | 1989-07-12 | Rotational posture adjustment structure of the tiller |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0322605U JPH0322605U (en) | 1991-03-08 |
JP2514217Y2 true JP2514217Y2 (en) | 1996-10-16 |
Family
ID=31629191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989082406U Expired - Fee Related JP2514217Y2 (en) | 1989-07-12 | 1989-07-12 | Rotational posture adjustment structure of the tiller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2514217Y2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6184621A (en) * | 1984-10-03 | 1986-04-30 | Agency Of Ind Science & Technol | Image pickup device of image composition multiimage fiber |
JPS61104011A (en) * | 1984-10-25 | 1986-05-22 | Nippon Tekko Renmei | Melt reduction method of iron ore |
-
1989
- 1989-07-12 JP JP1989082406U patent/JP2514217Y2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0322605U (en) | 1991-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |