JP4462113B2

JP4462113B2 - A device for preventing the winding of a rotary tiller

Info

Publication number: JP4462113B2
Application number: JP2005155878A
Authority: JP
Inventors: 雅邦石丸; 太樹中村; 政幸鎌田; 訓長井
Original assignee: Iseki and Co Ltd
Current assignee: Iseki and Co Ltd
Priority date: 2005-05-27
Filing date: 2005-05-27
Publication date: 2010-05-12
Anticipated expiration: 2025-05-27
Also published as: JP2006325526A

Description

この発明は、ロータリ耕耘装置におけるロータリ爪への草巻き付きを防止する草巻付防止装置に関する。 The present invention relates to a grass winding prevention device for preventing grass winding on a rotary claw in a rotary tiller.

従来、ロータリ耕耘装置の草巻付防止装置は、例えば特許文献１に示されているように、草巻き付け防止用のバーまたはワイヤを耕耘爪のホルダに巻き付けて固定したり、また特許文献２にも示されているように、前記ホルダに別途ブラケットを溶接して、これにボルト・ナットで固定する構成となっている。
特開平8-9702号公報特開2003-116301号公報 Conventionally, as shown in Patent Document 1, for example, as shown in Patent Document 1, a wind preventive apparatus for a rotary tiller is fixed by winding a bar or wire for preventing grass winding around a tilling nail holder. As shown, the bracket is welded separately to the holder and fixed to the holder with bolts and nuts.
JP-A-8-9702 Japanese Unexamined Patent Publication No. 2003-116301

かかる従来の構成にあっては、前者では草巻付防止バーの強固な取り付けが困難であり、後者では溶接手段を要するためコスト高となっていた。
本発明は、上記問題点を解消することにあり、草巻付防止バーを強固に取り付けでき、且つ安価に実施できる草巻付防止バーの取付装置を具現することにある。 In such a conventional configuration, it is difficult to firmly attach the anti-winding bar with the former, and the latter is expensive because it requires welding means.
An object of the present invention is to solve the above-described problems, and to provide an attachment device for an anti-winding bar that can firmly attach the anti-winding bar and can be implemented at low cost.

上記課題を解決すべく本願発明は次のような技術的手段を講じた。
即ち、請求項１記載の発明は、左右方向の軸芯回りに回転する耕耘軸（６）から突設した爪ホルダ（７）に耕耘爪（８）の基部を差し込み、該爪ホルダ（７）と耕耘爪（８）に設けた取付孔（９）にボルト（１０）を挿通してナット（１１）により締付固定し、耕耘爪（８）を挟んでコの字型に形成したバーホルダ（１２）を爪ホルダ（７）の端面に接当保持させ、該バーホルダ（１２）の開放端側にはバー取付用孔（１３）を穿設すると共に、端部に螺子部（１４）を形成した草巻付防止バー（１５）を挿通して締付具（１６）を介して締付固定したことを特徴とするロータリ耕耘装置の草巻付防止装置とした。 In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention according to claim 1 inserts the base of the tilling nail (8) into the nail holder (7) protruding from the tilling shaft (6) rotating around the axis in the left-right direction, and the nail holder (7) A bolt holder (9) is inserted into a mounting hole (9) provided in the tilling claw (8) and is fastened and fixed by a nut (11). 12) is held in contact with the end face of the claw holder (7), a bar mounting hole (13) is formed on the open end side of the bar holder (12), and a screw part (14) is formed at the end. The grass-rolling prevention bar (15) was inserted and fixed through a fastening tool (16), thereby providing a grass-winding prevention device for a rotary tiller.

前記草巻付防止バー（１５）は、バーホルダ（１２）の開放端側に設けたバー取付用孔（１３）を通して耕耘爪（８）を挟みながら締付具（１６）により締付固定する。バーホルダ（１２）は爪ホルダ（７）の端面に接当保持されるので、バーホルダ（１２）の位置決めが容易となる。 The grass winding prevention bar (15) is fastened and fixed by a fastening tool (16) while sandwiching a tilling claw (8) through a bar mounting hole (13) provided on the open end side of the bar holder (12). Since the bar holder (12) is held in contact with the end face of the claw holder (7), the bar holder (12) can be easily positioned.

バーホルダー（１２）はコの字型に形成され、耕耘爪（８）を挟んで締付固定するものであるため、草巻付防止バー（１５）を強固に取り付けることができる。
また請求項２記載の発明は、左右方向の軸芯回りに回転する耕耘軸（６）から突設した爪ホルダ（７）に耕耘爪（８）の基部を差し込み、該爪ホルダ（７）と耕耘爪（８）に設けた取付孔（９）にボルト（１０）を挿通してナット（１１）により締付固定し、コの字型に形成したバーホルダ（１２）は耕耘爪（８）の爪ホルダ（７）を挟んだ状態に保持させて設け、該バーホルダ（１２）の開放端側にはバー取付用孔（１３）を穿設すると共に、端部に螺子部（１４）を形成した草巻付防止バー（１５）を挿通して締付具（１６）を介して締付固定したことを特徴とするロータリ耕耘装置の草巻付防止装置とした。 Since the bar holder (12) is formed in a U-shape and is clamped and fixed with the tilling nail (8) interposed therebetween, the grass winding prevention bar (15) can be firmly attached.
According to the second aspect of the present invention, the base portion of the tillage nail (8) is inserted into the nail holder (7) protruding from the tillage shaft (6) rotating around the axis in the left-right direction, and the nail holder (7) The bolt (10) is inserted into the mounting hole (9) provided in the tilling claw (8) and is fastened and fixed by the nut (11). The bar holder (12) formed in a U-shape is attached to the tilling claw (8). The nail holder (7) is held in a sandwiched state. A bar mounting hole (13) is formed on the open end side of the bar holder (12), and a screw portion (14) is formed at the end. A grass-rolling prevention device for a rotary tiller characterized in that the grass-rolling prevention bar (15) was inserted and fastened through a fastening tool (16).

前記草巻付防止バー（１５）は、バーホルダ（１２）の開放端側に設けたバー取付用孔（１３）を通して爪ホルダ（７）を挟みながら締付具（１６）により締付固定する。このときのバーホルダ（１２）は、爪ホルダ（７）に対する耕耘爪（８）の取付用ボルト・ナット（１０），（１１）を基準として位置決めすることができる。 The grass winding prevention bar (15) is fastened and fixed by a fastening tool (16) while sandwiching the claw holder (7) through a bar mounting hole (13) provided on the open end side of the bar holder (12). At this time, the bar holder (12) can be positioned with reference to the bolts and nuts (10) and (11) for attaching the tilling claw (8) to the claw holder (7).

以上要するに、請求項１の発明によれば、草巻付防止バー（１５）は、上記のような取付構成によるため、必要に応じて簡単に取り付けることができる。また、バーホルダー（１２）はコの字型に形成され、爪ホルダ（７）の端面に接当保持させながら耕耘爪を挟んで締付固定するものであるため、草巻付防止バー（１５）の取付時の位置決めが容易でありながら強固に取り付けることができる。 In short, according to the first aspect of the invention, the anti-winding bar (15) can be easily attached as necessary because of the above-described attachment configuration. In addition, the bar holder (12) is formed in a U-shape and is clamped and fixed with the tilling nail being held in contact with the end face of the nail holder (7). ) Can be firmly attached while being easily positioned.

また請求項２の発明によれば、草巻付防止バー（１５）は、請求項１の発明と同じように必要に応じて簡単に取り付けることができる。また、バーホルダー（１２）はコの字型に形成され、爪ホルダ（７）を挟んで締付固定するものであるため、草巻付防止バー（１５）を爪ホルダ（７）に対する耕耘爪（８）の取付用ボルト・ナット（１０），（１１）を基準とした位置決めが容易にでき、且つ強固に取り付けることができる。 According to the second aspect of the invention, the anti-winding bar (15) can be easily attached as necessary as in the first aspect of the invention. Moreover, since the bar holder (12) is formed in a U-shape and is clamped and fixed with the nail holder (7) sandwiched, the barbage prevention bar (15) is attached to the nail holder (7). Positioning with reference to the mounting bolts and nuts (10) and (11) of (8) can be easily performed and can be firmly mounted.

以下、この発明を図面に基づき説明する。
ロータリ耕耘装置１は、農業用トラクタの機体後部に昇降自在に連結されるものであり、このトラクタからの動力を入力する伝動ボックス２、伝動ボックスから左右側方に向けて延出している耕耘伝動筒３、耕耘伝動筒３の端部から下方に延出しているサイド耕耘伝動ケース４、サイド耕耘伝動ケース４とサイド支持部材５の下端部に軸架せる耕耘軸６、耕耘軸６から突設する爪ホルダ７、爪ホルダ７に取り付けられる耕耘爪８等を有する構成となっている。そして、耕耘爪８は、基部が爪ホルダ７に差し込まれ、該爪ホルダ７と耕耘爪８に設けられた取付孔９にボルト１０を挿通してナット１１により締付固定する構成となっている。 The present invention will be described below with reference to the drawings.
The rotary tiller 1 is connected to the rear part of the agricultural tractor so that it can be raised and lowered. A power transmission box 2 for inputting power from the tractor, and a power transmission extending from the power transmission box to the left and right sides. Cylinder 3, side tillage transmission case 4 extending downward from the end of tillage transmission cylinder 3, side tillage transmission case 4 and tillage shaft 6 that can be pivoted on the lower end of side support member 5, projecting from tillage shaft 6 The claw holder 7 and the tilling claw 8 attached to the claw holder 7 are configured. The tilling claw 8 has a structure in which a base is inserted into the claw holder 7, a bolt 10 is inserted into the attachment hole 9 provided in the claw holder 7 and the cultivation claw 8, and the nut 11 is tightened and fixed. .

そして前記耕耘軸６や耕耘爪８…への草類の巻き付きを防止する草巻付防止装置は以下のように構成されている。
まず、最初に図２と図３に示す第１実施例について説明すると、耕耘軸６の左右両端側の耕耘爪８には、耕耘爪を挟んでコの字型に形成したバーホルダ１２を爪ホルダ７の端面に接当保持させた状態に位置させて設け、該バーホルダ１２の開放端側にバー取付用孔１３を穿設すると共に、両端部に螺子部１４を形成した草巻付防止バー１５を挿通してバーホルダ１１の両側から締付具１６，１６を介して締付固定する構成としている。 And the grass winding prevention apparatus which prevents the winding of the grass around the said tilling axis | shaft 6 and the tilling nail | claw 8 ... is comprised as follows.
First, the first embodiment shown in FIG. 2 and FIG. 3 will be described. The bar holder 12 formed in a U-shape with the tilling claws sandwiched between the tilling claws 8 on the left and right ends of the tilling shaft 6 is used as the nail holder. 7 is provided in a state where it is held in contact with the end surface of the bar 7, and a bar mounting hole 13 is formed on the open end side of the bar holder 12 and screw portions 14 are formed at both ends, and the anti-winding bar 15 Is inserted and clamped from both sides of the bar holder 11 via the fasteners 16, 16.

図４と図５に示す第２実施例では、前記コの字型のバーホルダ１２を、爪ホルダ７部に両側から挟むように嵌め込み、バーホルダ１２の開放端側に設けたバー取付用孔１３には、両端部に螺子部１４を形成した草巻付防止バー１５を挿通して締付具１６，１６により締付固定する構成になっている。また、このバーホルダ１２には耕耘爪取付用のボルト・ナット１０，１１の対応部に位置してボルト・ナット通し用穴１７が設けられ、このボルト・ナット通し用穴１７をもってバーホルダの位置決めが容易にできる。 In the second embodiment shown in FIGS. 4 and 5, the U-shaped bar holder 12 is fitted into the claw holder 7 so as to be sandwiched from both sides, and is inserted into the bar mounting hole 13 provided on the open end side of the bar holder 12. Is configured to be inserted and clamped by means of fasteners 16 and 16 through a grass-winding prevention bar 15 having screw portions 14 formed at both ends. Further, the bar holder 12 is provided with bolt / nut through holes 17 at positions corresponding to the bolts and nuts 10 and 11 for attaching the tilling claws, and the bar holder can be easily positioned by using the bolt / nut through holes 17. Can be.

また、図６と図７に示す第３実施例は、爪ホルダ７と耕耘爪８とに設けたボルト挿通用取付孔９には、端部に螺子部１４を形成した草巻付防止バー１５を直接挿通して締付具１６により締付固定する構成としている。これによれば、上記のようなバーホルダが不要であり、簡単な構成で強固に保持でき安価に実施することができる。 Further, in the third embodiment shown in FIG. 6 and FIG. 7, the bolting attachment hole 9 provided in the claw holder 7 and the tilling claw 8 has a grass winding prevention bar 15 in which a screw part 14 is formed at the end. Is directly inserted and is fastened and fixed by the fastening tool 16. According to this, the bar holder as described above is unnecessary, and it can be firmly held with a simple configuration and can be implemented at low cost.

また図８は、前記作業機１の全体側面図を示し、同作業機１は、ロータリカバー２５に対し、軸芯Ｐ回りに上下揺動自在に枢着して設けたリヤカバー２６を持ち上げ方向に付勢可能なガススプリング２７によって支持するように構成している。このガススプリング２７はリヤカバー２６とサイド耕耘伝動ケース４との間に装着支持している。これによって、リヤカバーの持ち上げ力が軽減され、付着した泥土の除去作業が容易に行える。 FIG. 8 is an overall side view of the working machine 1. The working machine 1 lifts a rear cover 26 that is pivotally attached to the rotary cover 25 so as to be swingable up and down around the axis P in the lifting direction. It is configured to be supported by an energizable gas spring 27. The gas spring 27 is mounted and supported between the rear cover 26 and the side tillage transmission case 4. As a result, the lifting force of the rear cover is reduced, and the attached mud can be easily removed.

また図９と図１０は、従来の草巻き付き防止装置の構成を示し、同装置では、耕耘軸６の左右両端に草巻付防止バー１５を取り付けるためのバー取付用金具２１を設ける構成となっている。またこのバー取付用金具２１の外周端側で回転方向前面側には雑草や長わらなどの夾雑物を切断処理する切断刃体２２を設けた構成としている。これによれば、巻き付こうとする夾雑物を切断処理するので、巻き付き防止効果をより高めることができる。 9 and 10 show the configuration of a conventional grass winding prevention device, in which a bar mounting bracket 21 for mounting the grass winding prevention bar 15 is provided at the left and right ends of the tillage shaft 6. FIG. ing. In addition, a cutting blade body 22 for cutting impurities such as weeds and long straws is provided on the outer peripheral end side of the bar mounting bracket 21 on the front side in the rotational direction. According to this, since the foreign substance which is going to be wound is cut, the effect of preventing winding can be further enhanced.

ロータリ耕耘装置の背面図。The rear view of a rotary tillage apparatus. 第１実施例要部の斜視図。The perspective view of a 1st Example principal part. 同上要部の切断平面図。The cutting top view of the principal part same as the above. 第２実施例要部の斜視図。The perspective view of the 2nd Example principal part. 同上要部の切断平面図。The cutting top view of the principal part same as the above. 第３実施例要部の斜視図。The perspective view of a 3rd Example principal part. 同上要部の切断平面図。The cutting top view of the principal part same as the above. ロータリ耕耘装置の側面図。A side view of a rotary tillage device. 従来の耕耘装置の要部背面図。The principal part rear view of the conventional tillage apparatus. 従来の耕耘装置の側面図。The side view of the conventional tillage apparatus.

１ロータリ耕耘装置
６耕耘軸
７爪ホルダ
８耕耘爪
９ボルト挿通用取付孔
１０ボルト
１１ナット
１２バーホルダ
１３バー取付用孔
１４螺子部
１５草巻付防止バー
１６締付具 DESCRIPTION OF SYMBOLS 1 Rotary tilling device 6 Tilling shaft 7 Claw holder 8 Cultivation claw 9 Bolt insertion mounting hole 10 Bolt 11 Nut 12 Bar holder 13 Bar mounting hole 14 Screw portion 15 Grass winding prevention bar 16 Fastening tool

Claims

The base of the tilling nail (8) is inserted into the nail holder (7) protruding from the tilling shaft (6) rotating around the axis in the left-right direction, and the nail holder (7) and the mounting nail (8) are provided Insert the bolt (10) into the hole (9) and tighten and fix it with the nut (11). The bar holder (12) formed in a U shape with the tilling claw (8) sandwiched between them is the end face of the claw holder (7) A bar mounting hole (13) is formed on the open end side of the bar holder (12), and an anti-winding bar (15) having a screw part (14) at the end is formed. A grass winding prevention device for a rotary tiller, which is inserted and fastened and fixed via a fastening tool (16).

The base of the tilling nail (8) is inserted into the nail holder (7) protruding from the tilling shaft (6) rotating around the axis in the left-right direction, and the nail holder (7) and the mounting nail (8) are provided The bolt (10) is inserted into the hole (9) and fastened and fixed by the nut (11) , and the bar holder (12) formed in a U-shape sandwiches the claw holder (7) of the tilling claw (8) The bar holder (12) is provided with a bar attachment hole (13) on the open end side, and a grass prevention bar (15) having a screw part (14) formed at the end. A grass winding prevention device for a rotary tiller, which is inserted and fastened and fixed via a fastening tool (16).