JPH0928133A - Front wheel structure in sulky rice transplanter - Google Patents
Front wheel structure in sulky rice transplanterInfo
- Publication number
- JPH0928133A JPH0928133A JP7206595A JP20659595A JPH0928133A JP H0928133 A JPH0928133 A JP H0928133A JP 7206595 A JP7206595 A JP 7206595A JP 20659595 A JP20659595 A JP 20659595A JP H0928133 A JPH0928133 A JP H0928133A
- Authority
- JP
- Japan
- Prior art keywords
- rubber tire
- front wheel
- peripheral surface
- outer peripheral
- rice transplanter
- 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.)
- Granted
Links
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 11
- 235000009566 rice Nutrition 0.000 title claims abstract description 11
- 240000007594 Oryza sativa Species 0.000 title abstract 2
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 125000004122 cyclic group Chemical group 0.000 claims abstract 2
- 241000209094 Oryza Species 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Transplanting Machines (AREA)
- Tires In General (AREA)
Abstract
Description
【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, the air pressure drops sharply and troubles such as punctures easily 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。SUMMARY OF THE INVENTION A 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】本発明の第２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。A second object of the present invention is to enable the wheel disc to be effectively attached. Therefore, the lateral side surface of the rubber tire on the inner diameter side from the center of the rubber tire is
The stepped surface is formed over the entire length so that the inner surface of the outer peripheral portion of the wheel disk can be joined.
【０００６】本発明の第３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 third object of the present invention is to make both front wheels have the same structure so that both front wheels can be effectively mounted in common. Therefore, the boss is formed so as to be mounted on the left and right front wheel axles, and the left and right rubber tires are mounted. 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 becomes easy and 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。[0011] Figure 1 shows a side view of the front wheel C, as shown in FIG. 2, on the outer peripheral surface of the annular Rimupaipu 1, approximately two times or more the diameter D 2 with respect to the diameter D 1 of the said Rimupaipu 1 Then, the rubber tire 2 having a substantially circular cross section is baked over the entire length so that the outer diameter side becomes thick, and an uneven lug 2d is formed on the outer circumferential end circumferential surface of the rubber tire 2. Zigzag-shaped lugs 2b and 2c are formed in the circumferential direction on both sides of the tip circumferential surface side, 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 baked into a cylindrical shape on the outer circumference on the tip end side of each spoke 4 close to the inner peripheral surface on the inner diameter side, and both front wheel axles 7a are formed on the center portion of the wheel disc 5. 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 bolts 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】このように本発明は、リムパイプ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 present invention, the front tire can be easily manufactured by baking the rubber tire 2 from the outer circumference of the rim pipe 1 to the outer circumference of the tip of the spoke 4, and even if it is stored for a long time, it without the degradation that without the puncture occurs, moreover, the outer periphery of Rimupaipu 1 rubber tires 2 cross section becomes substantially twice or more the diameter D 2 with respect to the diameter D 1 of the Rimupaipu 1 is substantially circular Since it is baked over the entire length on the surface, it is possible to satisfactorily absorb vibrations while traveling on the road, and when mounting the wheel disc 5,
The inner surface of the outer peripheral portion of the wheel disc 5 is attached to the rubber tire 2,
Due to the elasticity of the rubber, the foil disk 5 is satisfactorily crimped, so that even if there is a difference in the size setting of the wheel disk 5, the wheel disk 5 can be mounted firmly and effectively so that the mounting bolts do not come loose. It has a feature that can be suitably implemented.
【００１６】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。When a step surface 6 is formed over the entire length of the lateral side of the rubber tire 2 on the inner diameter side of the center O of the rubber tire 2, the inner side surface of the outer periphery of the wheel disc 5 can be joined to the wheel disc 5. By aligning the outer periphery of the stepped surface 6 with the stepped surface 6, the stepped surface 6 can be easily attached as a mark, and the entire wheel disk 5 can be attached stably.
【００１７】また、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。The boss 3 is connected to the left and right front wheel axles 7a,
If the stepped surfaces 6 are symmetrically formed on both the left and right side surfaces of the rubber tire 2 so that they can be attached to the front and rear wheels 7a and 7b, the front wheel can be shared, and the production can be facilitated. It can be easily assembled in the same manner.
【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. 1;
【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.
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 D 1, D 2 diameter 2 rubber tire 2a part 2b, 2c lug 3 boss 4 spoke O center 5 wheel disc 6 step surface 7a, 7b front wheel axle
Claims (3)
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したことを特徴
とする乗用田植機の前輪構造。The outer peripheral surface of the 1. A cyclic Rimupaipu 1, baking the rubber tire 2 which cross section becomes substantially twice or more the diameter D 2 with respect to the diameter D 1 of the said Rimupaipu 1 is substantially circular over the entire length At the same time, a part 2a of the rubber tire 2 is formed into a cylindrical shape and baked on the outer periphery of the tip end portion of each spoke 4 that extends radially from the outer periphery of the boss 3 and is close to the inner peripheral surface of the rim pipe 1. The front wheel structure of the passenger rice transplanter is characterized in that the lugs 2b and 2c are integrally formed on the outer peripheral surface side of the.
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
り形設してなる請求項１記載の乗用田植機の前輪構造。2. A step surface 6 is formed over the entire length on the lateral side surface of the rubber tire 2 which is on the inner diameter side of the center O of the rubber tire 2 to which the inner surface of the outer peripheral portion of the wheel disk 5 can be joined. The front wheel structure of the passenger rice transplanter according to Item 1.
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２記
載の乗用田植機の前輪構造。3. The passenger rice transplanter according to claim 2, wherein 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 left and right side surfaces of the rubber tire 2. Front wheel structure of the machine.
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 true JPH0928133A (en) | 1997-02-04 |
| JP3426798B2 JP3426798B2 (en) | 2003-07-14 |
Family
ID=16526006
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 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3426798B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7128110B2 (en) * | 2003-01-22 | 2006-10-31 | Honda Motor Co., Ltd. | Agricultural wheel tire |
-
1995
- 1995-07-19 JP JP20659595A patent/JP3426798B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7128110B2 (en) * | 2003-01-22 | 2006-10-31 | Honda Motor Co., Ltd. | Agricultural wheel tire |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3426798B2 (en) | 2003-07-14 |
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