JP2518791Y2 - Agricultural wheels - Google Patents
Agricultural wheelsInfo
- Publication number
- JP2518791Y2 JP2518791Y2 JP1990039826U JP3982690U JP2518791Y2 JP 2518791 Y2 JP2518791 Y2 JP 2518791Y2 JP 1990039826 U JP1990039826 U JP 1990039826U JP 3982690 U JP3982690 U JP 3982690U JP 2518791 Y2 JP2518791 Y2 JP 2518791Y2
- Authority
- JP
- Japan
- Prior art keywords
- outer peripheral
- rim
- lug
- peripheral portion
- fixture
- 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
- Transplanting Machines (AREA)
- Tires In General (AREA)
Description
【考案の詳細な説明】 (産業上の利用分野) 本考案は、トラクタの水田車輪又は田植機の車輪等に
使用される農用車輪に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an agricultural wheel used for a paddy wheel of a tractor, a wheel of a rice transplanter, or the like.
(従来の技術) 圃場が非常に軟かく、耕盤の深い湿田等で使用する車
輪には、いわゆる鉄車輪が単独又はタイヤ車輪と並列で
使用されている。(Prior Art) As a wheel used in a wetland where the field is very soft and the plow is deep, so-called iron wheels are used alone or in parallel with tire wheels.
鉄車輪は、環状リムに主ラグを形成する鉄羽根を固着
したものであり、路上走行時には、振動及び騒音が非常
に大きい。The iron wheel has an iron rim that forms a main lug fixed to an annular rim, and when traveling on the road, vibration and noise are very large.
そのため従来においては、特開平1-223001号公報に開
示されているような防振車輪が開発されている。この防
振車輪は、第7図に示すように、主ラグ6間のリム5外
周に断面コ字形金具18をボルト固定し、この金具18の外
面にゴム19を焼付け、このゴム19で補助ラグ15を形成し
ている。Therefore, conventionally, an anti-vibration wheel as disclosed in Japanese Patent Laid-Open No. 1-223001 has been developed. As shown in FIG. 7, this anti-vibration wheel has a U-shaped cross-section metal fitting 18 fixed by bolts on the outer periphery of the rim 5 between the main lugs 6, a rubber 19 is baked on the outer surface of the metal fitting 18, and the rubber 19 assists the auxiliary lug. Forming fifteen.
(考案が解決しようとする課題) 前記従来技術では、補助ラグ15を形成しているゴム19
は、金具18の表面に焼付け接着されているだけであるた
め、金具18の表面が錆びたり又は変形すると、ゴム19が
簡単に剥離してしまうことがある。また、補助ラグ15は
金具18によって全面的にバックアップされているため、
ゴム容量が少なく、荷重が加わると圧縮破壊され易く、
振動減衰も小さいものである。(Problems to be Solved by the Invention) In the above-mentioned conventional technique, the rubber 19 forming the auxiliary lug 15 is formed.
Since it is only baked and adhered to the surface of the metal fitting 18, if the surface of the metal fitting 18 is rusted or deformed, the rubber 19 may easily peel off. Also, since the auxiliary lug 15 is completely backed up by the metal fitting 18,
The rubber capacity is small, and it tends to be compressed and broken when a load is applied.
Vibration damping is also small.
(課題を解決するための手段) 本考案は、主ラグ間でリムに取付けた取付体の外周部
に貫通孔を形成し、この貫通孔を介して、補助ラグを形
成する弾性ラグ体を取付体外周部の内外で一体成形する
ことにより、前記従来技術の問題点を解決できるように
したものである。(Means for Solving the Problem) According to the present invention, a through hole is formed between the main lugs in the outer periphery of the mounting body mounted on the rim, and an elastic lug body forming an auxiliary lug is mounted through the through hole. By integrally molding the inside and outside of the outer peripheral portion of the body, the problems of the prior art can be solved.
即ち、本考案における課題解決のための第1の具体的
構成は、環状リム5に周方向等間隔に主ラグ6を設ける
と共に、各主ラグ6間でリム5の外周面に対して取付具
11を固定し、この取付具11の外周部11aとリム5の外周
面との間に間隙12を形成し、前記取付具11の外周部11a
に複数の貫通孔13を形成し、外周部11aの外面に貫通孔1
3に対応して補助ラグ15を形成する弾性ラグ体14を被覆
接着すると共に、この弾性ラグ体14を外周部11aの内面
に被覆接着して外面側の弾性ラグ体14と複数の貫通孔13
を通して一体成形していることである。That is, the first specific configuration for solving the problem in the present invention is to provide the main lugs 6 on the annular rim 5 at equal intervals in the circumferential direction, and to attach the main lugs 6 to the outer peripheral surface of the rim 5 between the main lugs 6.
11 is fixed, and a gap 12 is formed between the outer peripheral portion 11a of the fixture 11 and the outer peripheral surface of the rim 5, and the outer peripheral portion 11a of the fixture 11 is fixed.
A plurality of through holes 13 are formed on the outer surface of the outer peripheral portion 11a.
The elastic lug body 14 which forms the auxiliary lug 15 corresponding to 3 is covered and adhered, and the elastic lug body 14 is covered and adhered to the inner surface of the outer peripheral portion 11a to form the outer side elastic lug body 14 and the plurality of through holes 13.
It is integrally molded through.
第2の具体的構成は、パイプ製環状リム5に周方向等
間隔に主ラグ6を設けると共に、各主ラグ6間に断面略
コ字状の取付具11を配置し、各取付具11をその溝がリム
5の外周面に対向し且つその外周部11aがリム5の外周
面との間に間隙12を形成するようにリム5に対して固定
し、この取付具11の外周部11aに周方向間隔をおいて間
隙12を径外側に開放する貫通孔13を複数形成すると共に
各貫通孔13に対応した位置に補助ラグ15を有する弾性ラ
グ14を取付けており、前記弾性ラグ体14は取付具11の外
周部11aの内面と外面とを同時に接着被覆すると共に、
内外の弾性ラグ体14を複数の貫通孔13を通して一体成形
し、且つ弾性ラグ体14をリム5の外周面と当接させてい
ることである。In the second specific configuration, main lugs 6 are provided on the annular pipe-made rim 5 at equal intervals in the circumferential direction, and fixtures 11 having a substantially U-shaped cross section are arranged between the main lugs 6, and the respective fixtures 11 are arranged. The groove is fixed to the rim 5 such that the groove faces the outer peripheral surface of the rim 5 and the outer peripheral portion 11a forms a gap 12 between the outer peripheral surface of the rim 5 and the outer peripheral surface of the rim 5. A plurality of through holes 13 that open the gap 12 radially outward are formed at intervals in the circumferential direction, and an elastic lug 14 having an auxiliary lug 15 is attached to a position corresponding to each through hole 13, and the elastic lug body 14 is While simultaneously adhesively coating the inner surface and the outer surface of the outer peripheral portion 11a of the fixture 11,
That is, the inner and outer elastic lugs 14 are integrally molded through the plurality of through holes 13, and the elastic lugs 14 are brought into contact with the outer peripheral surface of the rim 5.
(作用) 弾性ラグ体14は取付具11の外周部11aに取付けられる
と同時に、複数の貫通孔13を通って間隙12内で一体の抜
止部16を形成しているため、外周部11a表面との剥離を
生じても離脱することはなく、また、貫通孔13は補助ラ
グ15と対応しているため、補助ラグ15に加わる荷重は取
付具11で支えると共に抜止部16へも伝達され、振動を大
幅に減衰する。(Operation) Since the elastic lug body 14 is attached to the outer peripheral portion 11a of the mounting tool 11 and at the same time forms the integrated retaining portion 16 in the gap 12 through the plurality of through holes 13, Even if peeling occurs, it does not separate, and since the through hole 13 corresponds to the auxiliary lug 15, the load applied to the auxiliary lug 15 is supported by the fixture 11 and is also transmitted to the retaining portion 16 and vibrates. Greatly attenuates.
(実施例) 以下、本考案の実施例を図面に基いて説明する。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
第1〜5図において、1はトラクタ又は田植機の駆動
軸に取付けられる車輪で、ボス2から複数本のスポーク
3が放射状に固定され、補強板4によって補強され、全
スポーク3の外端に環状のリム5が溶着されている。In FIGS. 1 to 5, reference numeral 1 denotes a wheel attached to a drive shaft of a tractor or a rice transplanter. A plurality of spokes 3 are radially fixed from a boss 2 and are reinforced by a reinforcing plate 4, and all spokes 3 have outer ends. An annular rim 5 is welded.
リム5には周方向等間隔に主ラグ6を形成する大小鉄
羽根7,8が固定されている。大小鉄羽根7,8は共に正面視
L字状で、嵌合溝を有し、小鉄羽根7はリム5に径外側
から嵌合してリム5に溶着され、大鉄羽根8はリム5の
径内側から嵌合してリム5及び/又は小鉄羽根7に溶着
されている。但し、大鉄羽根8は小鉄羽根7にボルト固
定しても良い。Large and small iron blades 7 and 8 forming the main lug 6 are fixed to the rim 5 at equal intervals in the circumferential direction. The large and small iron blades 7 and 8 are both L-shaped when viewed from the front and have a fitting groove. The small iron blade 7 is fitted to the rim 5 from the radially outer side and is welded to the rim 5, and the large iron blade 8 is It is fitted from the radially inner side and welded to the rim 5 and / or the small iron blade 7. However, the large iron blade 8 may be bolted to the small iron blade 7.
11は正面視円弧状で断面コ字形の取付具で、各主ラグ
6間でリム5に径外側から嵌合して溶着されており、こ
の取付具11の外周部11aはリム5の外周側との間に間隙1
2を介して配置され、また周方向間隔をおいて複数の貫
通孔13が形成されている。この貫通孔13は円形、矩形等
に形成され、間隙12を径外方向に開放するものとなって
いる。Reference numeral 11 denotes a fitting having an arcuate shape when viewed from the front and having a U-shaped cross section, which is fitted and welded to the rim 5 between the main lugs 6 from the radially outer side. The outer peripheral portion 11a of the fitting 11 is the outer peripheral side of the rim 5. Gap between and 1
2, a plurality of through holes 13 are formed at intervals in the circumferential direction. The through hole 13 is formed in a circular shape, a rectangular shape, or the like, and opens the gap 12 radially outward.
この取付具11の外周部11aには弾性ラグ体14が焼付け
接着されていて、リム5周方向に複数の補助ラグ15を一
体成形している。各補助ラグ15はその頂部が主ラグ6よ
り高くなっており、各貫通孔13に対応して配置されてい
る。An elastic lug body 14 is baked and adhered to the outer peripheral portion 11a of the fixture 11, and a plurality of auxiliary lugs 15 are integrally formed in the circumferential direction of the rim 5. The top of each auxiliary lug 15 is higher than that of the main lug 6 and is arranged corresponding to each through hole 13.
前記弾性ラグ体14は、ゴム又は弾性合成樹脂で形成さ
れていて、リム5に取付ける前の取付具11に固着される
ものであり、外周部11aを埋込むように取付けられてい
る。The elastic lug body 14 is made of rubber or elastic synthetic resin and is fixed to the fixture 11 before being attached to the rim 5, and is attached so as to embed the outer peripheral portion 11a.
即ち、補助ラグ15を形成している弾性材料は、貫通孔
13を通って間隙12内に入っていて抜止部16を形成してお
り、この抜止部16は各貫通孔13に対応した部分が一体成
形によってリム周方向に一連になっていて、破損しない
限り、弾性ラグ体14は取付具11から離脱しないものであ
る。That is, the elastic material forming the auxiliary lug 15 is a through hole.
It passes through 13 into the gap 12 to form a retaining portion 16, and this retaining portion 16 has a portion corresponding to each through hole 13 formed in a series in the rim circumferential direction by integral molding so long as it is not damaged. The elastic lug body 14 does not separate from the fixture 11.
前記抜止部16は、第3図では間隙12に充満されてお
り、第6図に示す変形例では間隙12の外周側を満すがリ
ム5との間に空間を残している。抜止部16はリム5の外
周面に対して離れていても良いが、前記両例で示すよう
に、その内周側の全面又は一部がリム5に当接している
ほうが好ましい。The retaining portion 16 is filled in the gap 12 in FIG. 3, and in the modification shown in FIG. 6, fills the outer peripheral side of the gap 12 but leaves a space between it and the rim 5. Although the retaining portion 16 may be separated from the outer peripheral surface of the rim 5, it is preferable that the entire inner peripheral side or a part thereof is in contact with the rim 5, as shown in the above-mentioned examples.
各主ラグ6間に配置された弾性ラグ体14は複数の補助
ラグ15を形成しており、この補助ラグ15相互の間隔Aに
対して、主ラグ6を挟んで位置する補助ラグ15の間隔B
は狭くなるように設定されている。The elastic lug bodies 14 arranged between the main lugs 6 form a plurality of auxiliary lugs 15, and the distance A between the auxiliary lugs 15 is the distance between the auxiliary lugs 15 positioned with the main lug 6 interposed therebetween. B
Is set to be narrow.
前記実施例においては、リム5に対して小鉄羽根7を
溶着し、大鉄羽根8及び取付具11を金属又は硬質合成樹
脂で形成して、従来技術のようにボルト固定することも
可能であるが、それらを共に金属で形成してリム5に溶
着しておくと、ボルトを省略することができ、ボルトに
草、藁屑等が巻付くという問題がなくなり、部品加工が
容易になる。尚、主ラグ6は1枚の鉄羽根で形成しても
良い。In the above embodiment, it is also possible to weld the small iron blade 7 to the rim 5, form the large iron blade 8 and the fixture 11 with metal or hard synthetic resin, and bolt them as in the prior art. However, if both of them are made of metal and welded to the rim 5, the bolts can be omitted, and the problem of winding grass, straw waste, etc. around the bolts is eliminated, and the parts can be easily processed. The main lug 6 may be formed of one iron blade.
また、リム5に断面コ字形の取付具11を嵌合固定する
と、両者の間には必ず間隙12が形成され、取付具11の周
囲から泥水、草、藁屑等が侵入してくるが、弾性ラグ体
14の抜止部16を充満することにより空間を無くすことが
でき、リム5の外周及び取付具11の内周の錆付きを防止
することができる。Further, when the fixture 11 having a U-shaped cross section is fitted and fixed to the rim 5, a gap 12 is always formed between the two, and muddy water, grass, straw debris or the like enters from around the fixture 11, Elastic lug body
A space can be eliminated by filling the retaining portions 16 of 14 and rusting on the outer periphery of the rim 5 and the inner periphery of the fixture 11 can be prevented.
更に、弾性ラグ体14の抜止部16は、取付具11からの離
脱阻止、補助ラグ15に加わる荷重を負担するゴム量を増
大して振動減衰等に寄与するが、その抜止部16をリム5
に当接しておくことにより、貫通孔13に対向した部分で
は、取付具11に代ってリム5が補助ラグ15のバックアッ
プをすることができ、補助ラグ15の圧縮破壊防止と振動
減衰とをより大幅に向上する。Further, the retaining portion 16 of the elastic lug body 14 prevents the detachment from the fixture 11 and increases the amount of rubber that bears the load applied to the auxiliary lug 15 to contribute to vibration damping and the like.
The rim 5 can back up the auxiliary lug 15 instead of the fixture 11 at the portion facing the through hole 13 by contacting the auxiliary lug 15 to prevent the auxiliary lug 15 from being damaged by compression and damping the vibration. Greatly improved.
更にまた、補助ラグ15は主ラグ6の前後のものが他の
ものより摩耗し易く、リム5全周の補助ラグ15が等間隔
に位置すると、主ラグ6近傍で早期摩耗を生じて主ラグ
6が接地するようになり、これによって振動を発生する
ようになるが、主ラグ6を挟んだ補助ラグ15の間隔Bを
他の補助ラグ15の間隔Aより狭くすることにより、主ラ
グ6が接地するようになるまでの補助ラグ15の耐久時間
が長くなり、早期の振動悪化を防止することができるよ
うになる。Furthermore, the auxiliary lugs 15 before and after the main lug 6 are more likely to be worn than others, and when the auxiliary lugs 15 around the entire rim 5 are located at equal intervals, early wear occurs near the main lug 6 and the main lug 6 is worn. 6 comes into contact with the ground, which causes vibrations. However, by making the interval B between the auxiliary lugs 15 that sandwich the main lug 6 narrower than the interval A between the other auxiliary lugs 15, The endurance time of the auxiliary lug 15 until it comes into contact with the ground is extended, and it is possible to prevent early vibration deterioration.
(考案の効果) 以上詳述した本考案によれば、取付具11の外周部11a
の外面と内面とを同時に弾性ラグ体14を接着被覆し且つ
内外の弾性ラグ体14を複数の貫通孔13を通して一体成形
しているので、弾性ラグ体14内に取付具11の外周部11a
を埋設した状態になり、取付具11の外周部11aに対する
弾性ラグ体14の被覆接着を強固にでき、内外面での剥離
を防止でき、振動減衰等のために貫通孔13に対応配置さ
れた補助ラグ15の耐久性を大幅に向上でき、また、弾性
ラグ体14をリム5の外周面と当接させることにより、補
助ラグ15のバックアップをパイプ製環状リム5で強力に
できる。(Effect of the Invention) According to the present invention described in detail above, the outer peripheral portion 11a of the fixture 11 is
Since the outer surface and the inner surface of the elastic lug body 14 are adhesively coated at the same time and the inner and outer elastic lug bodies 14 are integrally formed through the plurality of through holes 13, the outer peripheral portion 11a of the fixture 11 is inside the elastic lug body 14.
Is embedded, the adhesive adhesion of the elastic lug body 14 to the outer peripheral portion 11a of the fixture 11 can be strengthened, peeling at the inner and outer surfaces can be prevented, and the through hole 13 is arranged for vibration damping or the like. The durability of the auxiliary lug 15 can be greatly improved, and by making the elastic lug body 14 contact the outer peripheral surface of the rim 5, the backup of the auxiliary lug 15 can be strengthened by the pipe annular rim 5.
第1〜5図は本考案の実施例を示しており、第1図は要
部の断面正面図、第2図は正面図、第3図は第1図のII
I-III線断面図、第4図は第1図のIV-IV線断面図、第5
図は第1図のV矢視図、第6図は弾性ラグ体の変形例を
示す断面図、第7図は従来技術を示す分解斜視図であ
る。 1……車輪、3……スポーク、5……リム、6……主ラ
グ、11……取付具、11a……外周部、12……間隙、13…
…貫通孔、14……弾性ラグ体、15……補助ラグ、16……
抜止部。1 to 5 show an embodiment of the present invention. FIG. 1 is a sectional front view of a main part, FIG. 2 is a front view, and FIG. 3 is II of FIG.
Sectional view taken along line I-III, FIG. 4 is sectional view taken along line IV-IV in FIG. 1, and FIG.
1 is a cross-sectional view showing a modified example of an elastic lug body, and FIG. 7 is an exploded perspective view showing a conventional technique. 1 ... Wheel, 3 ... Spoke, 5 ... Rim, 6 ... Main lug, 11 ... Fixture, 11a ... Outer peripheral part, 12 ... Gap, 13 ...
… Through hole, 14 …… Elastic lug body, 15 …… Auxiliary lug, 16 ……
Stopping part.
Claims (2)
(6)を設けると共に、各主ラグ(6)間でリム(5)
の外周面に対して取付具(11)を固定し、この取付具
(11)の外周部(11a)とリム(5)の外周面との間に
間隙(12)を形成し、前記取付具(11)の外周部(11
a)に複数の貫通孔(13)を形成し、外周部(11a)の外
面に貫通孔(13)に対応して補助ラグ(15)を形成する
弾性ラグ体(14)を被覆接着すると共に、この弾性ラグ
体(14)を外周部(11a)の内面に被覆接着して外面側
の弾性ラグ体(14)と複数の貫通孔(13)を通して一体
成形していることを特徴とする農用車輪。1. An annular rim (5) is provided with main lugs (6) at equal intervals in the circumferential direction, and the rim (5) is provided between each main lug (6).
The fixture (11) is fixed to the outer peripheral surface of the, and a gap (12) is formed between the outer peripheral portion (11a) of the fixture (11) and the outer peripheral surface of the rim (5). Outer part of (11) (11
A plurality of through holes (13) are formed in a) and an elastic lug body (14) forming an auxiliary lug (15) corresponding to the through holes (13) is coated and adhered to the outer surface of the outer peripheral portion (11a). The elastic lug body (14) is coated and adhered to the inner surface of the outer peripheral portion (11a) and integrally molded through the outer elastic lug body (14) and a plurality of through holes (13). Wheel.
主ラグ(6)を設けると共に、各主ラグ(6)間に断面
略コ字状の取付具(11)を配置し、各取付具(11)をそ
の溝がリム(5)の外周面に対向し且つその外周部(11
a)がリム(5)の外周面との間に間隙(12)を形成す
るようにリム(5)に対して固定し、この取付具(11)
の外周部(11a)に周方向間隔をおいて間隙(12)を径
外側に開放する貫通孔(13)を複数形成すると共に各貫
通孔(13)に対応した位置に補助ラグ(15)を有する弾
性ラグ(14)を取付けており、前記弾性ラグ体(14)は
取付具(11)の外周部(11a)の内面と外面とを同時に
接着被覆すると共に、内外の弾性ラグ体(14)を複数の
貫通孔(13)を通して一体成形し、且つ弾性ラグ体(1
4)をリム(5)の外周面と当接させていることを特徴
とする農用車輪。2. A ring-shaped pipe rim (5) is provided with main lugs (6) at equal intervals in the circumferential direction, and fittings (11) having a substantially U-shaped cross section are arranged between the main lugs (6). The groove of each fixture (11) faces the outer peripheral surface of the rim (5) and its outer peripheral portion (11)
a) is fixed to the rim (5) so as to form a gap (12) with the outer peripheral surface of the rim (5), and this fixture (11)
A plurality of through holes (13) for opening the gap (12) to the radially outer side are formed in the outer peripheral portion (11a) at a circumferential interval, and an auxiliary lug (15) is provided at a position corresponding to each through hole (13). The elastic lug (14) is attached, and the elastic lug body (14) simultaneously adheres and coats the inner surface and the outer surface of the outer peripheral portion (11a) of the fitting (11), and at the same time, the inner and outer elastic lug bodies (14). Is integrally molded through a plurality of through holes (13), and the elastic lug body (1
An agricultural wheel characterized in that 4) is brought into contact with the outer peripheral surface of the rim (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990039826U JP2518791Y2 (en) | 1990-04-13 | 1990-04-13 | Agricultural wheels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990039826U JP2518791Y2 (en) | 1990-04-13 | 1990-04-13 | Agricultural wheels |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03129502U JPH03129502U (en) | 1991-12-26 |
JP2518791Y2 true JP2518791Y2 (en) | 1996-11-27 |
Family
ID=31549071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990039826U Expired - Lifetime JP2518791Y2 (en) | 1990-04-13 | 1990-04-13 | Agricultural wheels |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2518791Y2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52122203U (en) * | 1976-03-10 | 1977-09-17 | ||
JPH01223001A (en) * | 1988-02-29 | 1989-09-06 | Iseki & Co Ltd | Paddy wheel for tractor or the like |
-
1990
- 1990-04-13 JP JP1990039826U patent/JP2518791Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03129502U (en) | 1991-12-26 |
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