JP3426798B2 - Front wheel structure of riding rice transplanter - Google Patents

Front wheel structure of riding rice transplanter

Info

Publication number
JP3426798B2
JP3426798B2 JP20659595A JP20659595A JP3426798B2 JP 3426798 B2 JP3426798 B2 JP 3426798B2 JP 20659595 A JP20659595 A JP 20659595A JP 20659595 A JP20659595 A JP 20659595A JP 3426798 B2 JP3426798 B2 JP 3426798B2
Authority
JP
Japan
Prior art keywords
rubber tire
front wheel
outer peripheral
wheel disc
wheel
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
Application number
JP20659595A
Other languages
Japanese (ja)
Other versions
JPH0928133A (en
Inventor
敏夫 中尾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanma Agricultural Equipment Co Ltd
Original Assignee
Yanma Agricultural Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yanma Agricultural Equipment Co Ltd filed Critical Yanma Agricultural Equipment Co Ltd
Priority to JP20659595A priority Critical patent/JP3426798B2/en
Publication of JPH0928133A publication Critical patent/JPH0928133A/en
Application granted granted Critical
Publication of JP3426798B2 publication Critical patent/JP3426798B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Transplanting Machines (AREA)
  • Tires In General (AREA)

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、機体の下部前方の左右
両側にそれぞれ装備する乗用田植機の前輪構造に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front wheel structure for a passenger rice transplanter which is provided on each of the left and right sides in front of a lower portion of an airframe.

【0002】[0002]

【従来の技術】従来、乗用田植機の前輪は、剛体のリム
の外周に空気入りタイヤを嵌装して構成されており、ま
た、前輪にホイルディスクを取り付けるものにあって
は、ホイルディスクの外周部をリムの横側面に当接させ
てボルトにより車軸側に固定していた。
2. Description of the Related Art Conventionally, the front wheels of a passenger rice transplanter have been constructed by fitting a pneumatic tire around the outer circumference of a rigid rim, and in the case of attaching a wheel disc to the front wheel, the wheel disc The outer peripheral portion is brought into contact with the lateral side surface of the rim and fixed to the axle side with a bolt.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、この乗
用田植機は田植時期以外には使用されないので保管期間
が長く、そのため、空気圧の低下が激しくてパンク等の
支障が生じやすく、パンクしたまま放置しておくとタイ
ヤが劣化したり、使用時の保修に手間がかかってしま
い、また、ホイルディスクを取り付けるものにあって
は、ホイルディスクの外周部の内側面を剛体のリムの横
側面に当接させてボルトにより固定するため、ホイルデ
ィスクの軸方向の寸法に製造誤差があったりすると、堅
牢に固定することができず、ボルトの自然弛みが発生し
てしまう、といった不具合を呈していた。
However, since this riding rice transplanter is not used except during the rice transplanting period, it has a long storage period. Therefore, air pressure drops sharply and troubles such as puncture are likely to occur. If you leave it on, the tire will deteriorate and it will take time to repair it when using it.In addition, in the case of attaching a wheel disc, the inner side of the outer periphery of the wheel disc will contact the lateral side of the rigid rim. Since the wheels are fixed by bolts, if there is a manufacturing error in the axial dimension of the wheel disc, the wheels cannot be firmly fixed and the bolts are loosened naturally.

【0004】[0004]

【課題を解決するための手段】本発明の第1の目的は、
そのような不具合を解決し、振動の吸収も良く簡単な構
造にして有効に使用可能とするものであり、そのため、
環状のリムパイプの外周面には、該リムパイプの直径に
対し略2倍以上の直径となって横断面が略円状となるゴ
ムタイヤを全長にわたり焼付けるとともに、ボスの外周
より放射方向にそれぞれ延出して前記リムパイプの内周
面に近接する各スポークの先端部外周には前記ゴムタイ
ヤの一部を円筒状にして焼付け、前記ゴムタイヤの外周
面側にはラグを一体的に形成して構成したものである。
The first object of the present invention is to:
It is intended to solve such problems and to effectively use it with a simple structure that absorbs vibration well.
On the outer peripheral surface of the ring-shaped rim pipe, a rubber tire having a diameter that is about twice or more the diameter of the rim pipe and having a substantially circular cross section is baked along the entire length, and extends radially from the outer periphery of the boss. A part of the rubber tire is baked into a cylindrical shape on the outer periphery of the tip of each spoke close to the inner peripheral surface of the rim pipe, and a lug is integrally formed on the outer peripheral surface side of the rubber tire. is there.

【0005】さらに本発明の第1の目的は、ホイルディ
スクを有効に取付け可能とするものであり、そのため、
ゴムタイヤの中心より内径側となるゴムタイヤの横側面
には、ホイルディスクの外周部の内側面を接合させるこ
とができる段面を全長にわたり形設したものである。
Further, a first object of the present invention is to enable a wheel disc to be effectively attached, and therefore,
On the lateral side surface of the rubber tire, which is on the inner diameter side from the center of the rubber tire, a step surface is formed over the entire length to which the inner surface of the outer peripheral portion of the wheel disk can be joined.

【0006】本発明の第2の目的は、両前輪を同一構造
にして共用で有効に取付け可能とするものであり、その
ため、ボスを左右の前輪車軸に取付け可能に形設すると
ともにゴムタイヤの左右両側面に段面を対称的にそれぞ
れ形設したものである。
A second object of the present invention is to make both front wheels have the same structure so that they can be effectively attached in common. Therefore, the boss is formed so as to be attached to the left and right front wheel axles, and the left and right rubber tires are attached. Steps are symmetrically formed on both sides.

【0007】[0007]

【作用】したがって、リムパイプの外周からスポークの
先端部の外周までもゴムタイヤを焼付けて、前輪を簡単
に製作できることになり、長期間保管しておいても、パ
ンクをすることもなくて劣化が生じることもなく、路上
走行時には振動を良好に吸収することができ、また、ホ
イルディスクを取付ける場合には、ホイルディスクの外
周部の内側面がゴムタイヤに、ゴムの弾性により良好に
圧着されることになって、ホイルディスクに寸法誤差が
あっても、堅牢に、しかも、ボルトが弛まないように有
効に取付けることができる。
Therefore, the front tire can be easily manufactured by baking the rubber tire from the outer periphery of the rim pipe to the outer periphery of the tip of the spoke, and deterioration occurs without being punctured even when stored for a long period of time. It is possible to absorb vibrations well while driving on the road, and when mounting a wheel disc, the inner surface of the outer periphery of the wheel disc is satisfactorily crimped to the rubber tire due to the elasticity of the rubber. Therefore, even if there is a dimensional error in the wheel disc, it can be mounted firmly and effectively so that the bolt does not loosen.

【0008】前記ゴムタイヤの中心より内径側となるゴ
ムタイヤの横側面には、ホイルディスクの外周部の内側
面を接合させることができる段面を全長にわたり形設す
ると、ホイルディスクの外周部を段面に合わせることに
より、容易に取付けることができる。
On the lateral side of the rubber tire, which is on the inner diameter side from the center of the rubber tire, a step surface is formed over the entire length so that the inner surface of the outer peripheral portion of the wheel disk can be joined. It can be easily installed by adjusting to.

【0009】前記ボスを左右の前輪車軸に取付け可能に
形設するとともにゴムタイヤの左右両側面に段面を対称
的にそれぞれ形設すると、両前輪を共用にして、製作も
容易になるとともに、左右の両車軸に簡単に組み付ける
ことができる。
If the boss is formed so that it can be attached to the left and right front wheel axles, and the step surfaces are symmetrically formed on both the left and right side surfaces of the rubber tire, both front wheels can be used in common, and the manufacturing is facilitated. It can be easily attached to both axles.

【0010】[0010]

【実施例】図7は乗用田植機の側面図を示し、植付部B
を後方に連結する乗用の本機Aの下部前後には両前輪C
と両後輪Dをそれぞれ装備するが、両前輪Cの外側面に
は皿状となるホイルディスク5をそれぞれ装着するもの
である。
[Example] FIG. 7 is a side view of a riding rice transplanter, showing a planting section B.
Both front wheels C on the lower front and rear of the passenger machine A that connects the rear
And both rear wheels D, respectively, and the dish-shaped wheel discs 5 are mounted on the outer surfaces of both front wheels C, respectively.

【0011】図1は前記前輪Cの側面図を示し、図2に
示すように、環状のリムパイプ1の外周面には、該リム
パイプ1の直径D1 に対し略2倍以上の直径D2 となっ
て横断面が略円状となるゴムタイヤ2を、外径側が厚肉
となるようにして全長にわたり焼付け、ゴムタイヤ2の
外径側先端円周面には凹凸のラグ2dを形設するととも
に、その先端円周面側の両側には周周方向にジグザグ状
となるラグ2b,2cを形設し、ゴムタイヤ2の中心O
より内径側となって前記リムパイプ1の内径側となるゴ
ムタイヤ2の両横側面には、前記ホイルディクス5の外
周部の内側面を接合させることができる平面の段面6,
6を対称的に全長にわたりそれぞれ形設する。
FIG. 1 is a side view of the front wheel C. As shown in FIG. 2, the outer peripheral surface of the annular rim pipe 1 has a diameter D2 which is about twice or more the diameter D1 of the rim pipe 1. A rubber tire 2 having a substantially circular cross section is baked over the entire length so that the outer diameter side becomes thicker, and an uneven lug 2d is formed on the outer circumferential end circumferential surface of the rubber tire 2 and the tip thereof is formed. Zigzag-shaped lugs 2b, 2c are formed in the circumferential direction on both sides of the circumferential surface, and the center O of the rubber tire 2 is formed.
On both lateral side surfaces of the rubber tire 2 which are on the inner diameter side and are on the inner diameter side of the rim pipe 1, a flat step surface 6 on which the inner side surface of the outer peripheral portion of the wheel disk 5 can be joined.
6 are symmetrically formed over the entire length.

【0012】左右の前輪車軸7a,7bに着脱自在に嵌
装できるボス3の外周面には放射方向に延出する3本の
各スポーク4の基部を溶接によりそれぞれ固着するとと
もに、ボス3の外周面に固着した支持板9に各スポーク
4を係合し、ボス3の両端部には、両前輪車軸7a,7
bに嵌挿することができる係止ピン10を嵌挿する係止
孔11a,11bをそれぞれ穿設し、前記リムパイプ1
の内径側内周面に近接する各スポーク4の先端側外周に
は前記ゴムタイヤ2の内径側の一部2aを円筒状にして
焼付け、前記ホイルディスク5の中心部には、両前輪車
軸7a,7bの先端面に形設したねじ孔12に螺挿する
ことができる取付けボルト8の挿通用の丸孔13を穿設
して、該前輪Cは左右の前輪車軸7a,7bに共用して
取付けることができるように構成する。
On the outer peripheral surface of the boss 3 which can be detachably fitted to the left and right front wheel axles 7a and 7b, the bases of the three spokes 4 extending in the radial direction are fixed by welding, respectively, and the outer periphery of the boss 3 is fixed. Each spoke 4 is engaged with a support plate 9 fixed to the surface, and both front wheel axles 7a, 7 are attached to both ends of the boss 3.
The locking holes 11a and 11b into which the locking pins 10 that can be fitted into the b are inserted respectively, and the rim pipe 1 is provided.
A part 2a on the inner diameter side of the rubber tire 2 is formed into a cylindrical shape and baked on the outer periphery on the tip end side of each spoke 4 close to the inner peripheral surface on the inner diameter side of the front wheel axles 7a on both sides of the wheel disk 5 at the center. A circular hole 13 for inserting a mounting bolt 8 that can be screwed into a screw hole 12 formed on the tip surface of 7b is bored, and the front wheel C is commonly mounted on the left and right front wheel axles 7a, 7b. To be able to.

【0013】したがって、リムパイプ1の外周から各ス
ポーク4の先端部の外周までもゴムタイヤ2を焼付け
て、前輪を簡単に製作できることになり、長期間保管し
ておいても、パンクをすることもなくて劣化が生じるこ
ともなく、路上走行時には振動を良好に吸収することが
でき、また、ホイルディスク5を取付ける場合には、ホ
イルディスク5の外周部の内側面がゴムタイヤ2に、ゴ
ムの弾性により良好に圧着されることになって、ホイル
ディスク5に寸法誤差があっても、堅牢に、しかも、取
付けボルト8が弛まないように有効に取付けることがで
きる。
Therefore, the front tire can be easily manufactured by baking the rubber tire 2 from the outer periphery of the rim pipe 1 to the outer periphery of the tip of each spoke 4, and the front wheel can be stored for a long time without puncturing. Vibration can be absorbed well when traveling on the road, and when the wheel disc 5 is mounted, the inner surface of the outer periphery of the wheel disc 5 is attached to the rubber tire 2 due to the elasticity of the rubber. Even if the wheel disc 5 has a dimensional error, it can be firmly attached and can be effectively attached so that the attachment bolt 8 does not loosen.

【0014】ホイルディスク5を取付ける場合、ホイル
ディスク5の外周部を段面6に合わせると、該段面6が
目印となって容易に取付けることができることになり、
また、前輪Cを左の前輪車軸7aに取付ける場合には、
図3および図5に示すように、係止ピン10を係止孔1
1aに嵌挿するとともに、ゴムタイヤ2の左側の段面6
にホイルディスク5の外周部を当接させて取付けボルト
8により固定させることになり、前輪Cを右の前輪車軸
7aに取付ける場合には、図6に示すように、係止ピン
10を係止孔11bに嵌挿するとともに、ゴムタイヤ2
の右側の段面6にホイルディスク5の外周部を当接させ
て取付けボルト8により固定させることになる。
When mounting the wheel disc 5, if the outer peripheral portion of the wheel disc 5 is aligned with the step surface 6, the step surface 6 serves as a mark and can be easily attached.
When the front wheel C is attached to the left front wheel axle 7a,
As shown in FIGS. 3 and 5, the locking pin 10 is attached to the locking hole 1
1a and the step surface 6 on the left side of the rubber tire 2
The outer peripheral portion of the wheel disc 5 is brought into contact with and fixed by the mounting bolt 8. When the front wheel C is mounted on the right front wheel axle 7a, the locking pin 10 is locked as shown in FIG. The rubber tire 2 is fitted and inserted into the hole 11b.
The outer peripheral portion of the wheel disk 5 is brought into contact with the step surface 6 on the right side of the and fixed by the mounting bolt 8.

【0015】[0015]

【発明の効果】このように請求項1記載の発明では、
ムパイプ1の外周からスポーク4の先端部の外周までも
ゴムタイヤ2を焼付けて、前輪を簡単に製作できること
になり、長期間保管しておいても、パンクをすることも
なくて劣化が生じることもなく、しかも、リムパイプ1
の直径D1 に対し略2倍以上の直径D2 となって横断面
が略円状となるゴムタイヤ2をリムパイプ1の外周面に
全長にわたり焼付けたので、路上走行時には振動を良好
に吸収することができ、また、ホイルディスク5を取付
ける場合には、ホイルディスク5の外周部の内側面がゴ
ムタイヤ2に、ゴムの弾性により良好に圧着されること
になって、ホイルディスク5に寸法設定差があっても、
堅牢に、しかも、取付けボルトが弛まないように有効に
取付けることができることになり、簡単な構造にして好
適に実施できる特長を有する。
As described above, according to the first aspect of the present invention, the rubber tire 2 is baked from the outer circumference of the rim pipe 1 to the outer circumference of the tip of the spoke 4, so that the front wheel can be easily manufactured and stored for a long time. In addition, there is no puncture and deterioration does not occur, and moreover, the rim pipe 1
Since the rubber tire 2 having a diameter D2 which is about twice as large as the diameter D1 and having a substantially circular cross section is baked on the outer peripheral surface of the rim pipe 1 over the entire length, it is possible to absorb the vibration well when traveling on the road. Further, when the wheel disc 5 is attached, the inner surface of the outer peripheral portion of the wheel disc 5 is satisfactorily pressure-bonded to the rubber tire 2 due to the elasticity of the rubber, so that the wheel disc 5 has a dimensional setting difference. Also,
Since it can be mounted firmly and effectively so that the mounting bolt does not loosen, it has a feature that it can be suitably implemented with a simple structure.

【0016】さらに前記ゴムタイヤ2の中心Oより内径
側となるゴムタイヤ2の横側面には、ホイルディスク5
の外周部の内側面を接合させることができる段面6を全
長にわたり形設すると、ホイルディスク5の外周部を段
面6に合わせることにより、該段面6を目印として容易
に取付けることができることになるとともに、ホイルデ
ィスク5全体を安定させて取付けることができる。
[0016] Furthermore the lateral side of the rubber tire 2 comprising an inner diameter side from the center O of the rubber tire 2, wheel disk 5
If the step surface 6 capable of joining the inner side surface of the outer peripheral portion of the is formed over the entire length, it is possible to easily attach the step surface 6 as a mark by aligning the outer peripheral portion of the wheel disk 5 with the step surface 6. In addition, the wheel disc 5 as a whole can be stably attached.

【0017】また、請求項2記載の発明では、前記ボス
3を左右の前輪車軸7a,7bに取付け可能に形設する
とともにゴムタイヤ2の左右両側面に段面6を対称的に
それぞれ形設すると、両前輪を共用にして、製作も容易
になるとともに、左右の両車軸7a,7bに同様にして
簡単に組付けることができる。
According to the second aspect of the present invention, the boss 3 is formed so as to be attachable to the left and right front wheel axles 7a, 7b, and the step surfaces 6 are symmetrically formed on both the left and right side surfaces of the rubber tire 2. By using both front wheels in common, manufacturing is facilitated and the left and right axles 7a and 7b can be easily assembled in the same manner.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明実施例の前輪を一部断面にして示した側
面図である。
FIG. 1 is a side view showing a front wheel of an embodiment of the present invention with a partial cross section.

【図2】図1のII−II線断面を示した断面図である。FIG. 2 is a sectional view showing a section taken along line II-II of FIG.

【図3】前輪にホイルディスクを取付けて示した側面図
である。
FIG. 3 is a side view showing a wheel disc attached to a front wheel.

【図4】ホイルディスクを示した側面図である。FIG. 4 is a side view showing a wheel disc.

【図5】図3のV−V線断面を示した断面図である。5 is a cross-sectional view showing a cross section taken along line VV of FIG.

【図6】右の車軸に取付けた要部の一部を示した断面図
である。
FIG. 6 is a sectional view showing a part of a main part attached to the right axle.

【図7】乗用田植機を示した側面図である。FIG. 7 is a side view showing a riding rice transplanter.

【符号の説明】[Explanation of symbols]

1 リムパイプ D1 , D2 直径 2 ゴムタイヤ 2a 一部 2b,2c ラグ 3 ボス 4 スポーク O 中心 5 ホイルディスク 6 段面 7a,7b 前輪車軸 1 rim pipe D1, D2 diameter 2 rubber tires 2a part 2b, 2c rug 3 boss 4 spokes O center 5 wheel disc 6 steps 7a, 7b front wheel axle

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 環状のリムパイプ1の外周面には、該リ
ムパイプ1の直径D1 に対し略2倍以上の直径D2 とな
って横断面が略円状となるゴムタイヤ2を全長にわたり
焼付けるとともに、ボス3の外周より放射方向にそれぞ
れ延出して前記リムパイプ1の内周面に近接する各スポ
ーク4の先端部外周には前記ゴムタイヤ2の一部2aを
円筒状にして焼付け、前記ゴムタイヤ2の外周面側には
ラグ2b,2cを一体的に形成して構成させ、また、
ムタイヤ2の中心Oより内径側となるゴムタイヤ2の横
側面には、ホイルディスク5の外周部の内側面を接合さ
せることができる段面6を全長にわたり形設してなる
とを特徴とする乗用田植機の前輪構造。
1. An outer peripheral surface of an annular rim pipe 1 is
The diameter D2 is about twice as large as the diameter D1 of the mupipe 1.
The rubber tire 2 having a substantially circular cross section over the entire length.
While baking, radiating from the outer periphery of the boss 3
Each of the spouts that extends out and is close to the inner peripheral surface of the rim pipe 1.
A part 2a of the rubber tire 2 is provided on the outer circumference of the tip of the rake 4.
Cylindrical and baked, and on the outer peripheral surface side of the rubber tire 2
A step in which the lugs 2b and 2c are integrally formed and configured, and the inner side surface of the outer peripheral portion of the wheel disc 5 can be joined to the lateral side surface of the rubber tire 2 on the inner diameter side of the center O of the rubber tire 2. this formed by the form set the surface 6 over the entire length
The front wheel structure of a passenger rice transplanter characterized by and .
【請求項2】 ボス3を左右の前輪車軸7a,7bに取
り付け可能に形設するとともにゴムタイヤ2の左右両側
面に段面6を対称的にそれぞれ形設してなる請求項1
載の乗用田植機の前輪構造。
2. A boss 3 left and right front wheel axle 7a, riding in a Danmen 6 on the left and right side surfaces of the rubber tire 2 symmetrically respectively with Katachi設claim 1, wherein while Katachi設attachable to 7b planting Front wheel structure of the machine.
JP20659595A 1995-07-19 1995-07-19 Front wheel structure of riding rice transplanter Expired - Fee Related JP3426798B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20659595A JP3426798B2 (en) 1995-07-19 1995-07-19 Front wheel structure of riding rice transplanter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20659595A JP3426798B2 (en) 1995-07-19 1995-07-19 Front wheel structure of riding rice transplanter

Publications (2)

Publication Number Publication Date
JPH0928133A JPH0928133A (en) 1997-02-04
JP3426798B2 true JP3426798B2 (en) 2003-07-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP20659595A Expired - Fee Related JP3426798B2 (en) 1995-07-19 1995-07-19 Front wheel structure of riding rice transplanter

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004224170A (en) * 2003-01-22 2004-08-12 Honda Motor Co Ltd Agricultural vehicle wheel

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