JPS5812815A - Front axle supporting structure - Google Patents
Front axle supporting structureInfo
- Publication number
- JPS5812815A JPS5812815A JP10987681A JP10987681A JPS5812815A JP S5812815 A JPS5812815 A JP S5812815A JP 10987681 A JP10987681 A JP 10987681A JP 10987681 A JP10987681 A JP 10987681A JP S5812815 A JPS5812815 A JP S5812815A
- Authority
- JP
- Japan
- Prior art keywords
- thrust collar
- front axle
- bearing
- ring
- support shaft
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
- B60G9/02—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は走行車輌のフロントアクスルの支承構造に関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a support structure for a front axle of a vehicle.
トラクタ等の車輌では、フロントアクスルがその中央部
に突設した前後の支持軸を、軸受体に設けた軸受穴に嵌
合させることにより上下に揺動自在に支持されているの
が一般的である。従来のフロントアクスル支承構造では
、支持軸の軸方向の遊びをなくするため第３図に示す如
（支持軸５に溶接により一体化して設けたフランジ１１
と軸受穴２ａの入口側に設けた拡口部２ｂの底面との間
にリング状のスラストカラー７を配していたが、このス
ラスト力？−７は使用中に急速に摩耗して支承部に有害
な遊びを生ずることが多かった。このような遊びが生じ
た場合は、摩耗したスラストカラーをその都度交換しな
ければならなかったが、この交換には多大の手間を必要
とした。In vehicles such as tractors, the front axle is generally supported so that it can swing up and down by fitting front and rear support shafts protruding from the center into bearing holes in the bearing body. be. In the conventional front axle support structure, in order to eliminate play in the axial direction of the support shaft, as shown in FIG.
A ring-shaped thrust collar 7 was disposed between the ring-shaped thrust collar 7 and the bottom surface of the enlarged opening 2b provided on the entrance side of the bearing hole 2a, but this thrust force? -7 often wore rapidly during use, resulting in harmful play in the bearings. When such play occurred, the worn thrust collar had to be replaced each time, but this replacement required a great deal of effort.
この発明は、使用によってスラストカラーが摩耗した場
合にも、簡単な操作でその摩耗を補い、支承部に遊びを
生じないようにすることができるようなフロントアクス
ルの支承構造を提供するものであり、これについて以下
に説明する。The present invention provides a front axle support structure that can compensate for the wear with a simple operation and prevent play in the support even if the thrust collar is worn due to use. , which will be explained below.
この発明にかかるフロントアクスルの支承構造は、フロ
ントアクスルの中央部に突設した前後の支持軸を、フロ
ントアクスルを支持するアクスルブラケットに設けた軸
受穴に嵌合させて支承するに際し、該軸受穴をその入口
側が拡口部となる段付きの穴として形成し、この拡口部
に支持軸に嵌合するリング状のスラストカラーを配設す
るとともに、支持軸の中間部外周にねじを設けてこれに
前後位置調節可能なねじ付きの押えリングを螺着し、軸
受穴に支持軸を嵌合した状態で、前記スラストカラーを
軸受穴の拡口部底面と押えリングの端面との間で挾持す
るようにしたことを特徴としている。以下、図面にあら
れされた実施例について具体的に説明する。In the front axle support structure according to the present invention, when the front and rear support shafts protruding from the center of the front axle are fitted into and supported by the bearing holes provided in the axle bracket that supports the front axle, the front axle supports the front axle. is formed as a stepped hole with an enlarged opening on the inlet side, and a ring-shaped thrust collar that fits on the support shaft is disposed in this enlarged opening, and a screw is provided on the outer periphery of the intermediate part of the support shaft. A presser ring with a screw whose longitudinal position can be adjusted is screwed onto this, and with the support shaft fitted into the bearing hole, the thrust collar is clamped between the bottom surface of the enlarged part of the bearing hole and the end surface of the presser ring. It is characterized by the fact that it is made to do so. The embodiments shown in the drawings will be specifically described below.
第′１図はこの発明を施したトラクタの概略図、および
第２図はフロントアクスル支持部の拡大図であり、車体
の前部にフロントアクスルを支持するためのアクスルブ
ラケット１が設けられ、該アクスルブラケット１の前部
には前部軸受体２が、また後部には後部軸受体２′がそ
れぞれ設けられている。フロントアクスル３は、その中
央部の前後両面に突設した前部支持軸５および後部支持
軸５′を、上記前部軸受体２および後部軸受体２′の軸
受穴２ａ、２ａ’に嵌合することにより該支持軸５゜５
′を回動中心として上下に回動自在に支持されている。Fig. 1 is a schematic diagram of a tractor according to the present invention, and Fig. 2 is an enlarged view of a front axle support part. A front bearing body 2 is provided at the front of the axle bracket 1, and a rear bearing body 2' is provided at the rear thereof. The front axle 3 has a front support shaft 5 and a rear support shaft 5' protruding from both the front and rear sides of the center thereof, which are fitted into the bearing holes 2a, 2a' of the front bearing body 2 and rear bearing body 2'. By doing so, the support shaft 5゜5
It is supported so that it can freely rotate up and down with the center of rotation at '.
図示例では、前部軸受体２がアクスルブラケット１本体
と別体に製作され、その軸受穴２ａが後に向かって開口
するようにしてアクスルブラケット１本体の前部に垂下
させた状態で取り付けられている。この前部軸受体２は
支持軸の前方を覆い、これを保護するためにも役立つ。In the illustrated example, the front bearing body 2 is manufactured separately from the axle bracket 1 body, and is attached to the front part of the axle bracket 1 body in a suspended state with its bearing hole 2a opening toward the rear. There is. This front bearing body 2 covers the front of the support shaft and also serves to protect it.
軸受穴２ａ、２ａ′は、それぞれ入口側が内径の大きな
拡口部２ ｂ 、 ２ ｂ’となり、奥側が径の小さな
小口部２Ｃ，２Ｃ’となった段付きの穴として形成され
、この小口部２ Ｃ、２ｃｌに支持軸５，５′の先端部
をなす小径部５ａ、５ａ’がそれぞれブッシング６を介
して嵌合している。小径部５ａ、５ａ’の根元は拡口部
２ ｂ 、 ２ ｂ’に達しており、この部分に、拡口
部の底面２ｄ、２ｄ／に当接するスラ７゜トカラー７が
嵌着されている。支持軸５，５′の前記小径部５ａ、５
ａ’よりも付根側の部分には外周にねじの切られたねじ
部５ ｂ、、、 ５ ｂ’が設けられ、このねじ部５．
ｂ 、 、５ ｂ’と小径部５ａ、５ａ’との間には、
小径部よりはやや径の太き・な中径部５ｃ。The bearing holes 2a and 2a' are formed as stepped holes with enlarged openings 2b and 2b' having a large inner diameter on the inlet side and small openings 2C and 2C' with a small diameter on the back side, respectively. Small diameter portions 5a and 5a' forming the tips of support shafts 5 and 5' are fitted into 2C and 2cl via bushings 6, respectively. The roots of the small diameter portions 5a, 5a' reach the widened portions 2b, 2b', and a slat collar 7 that contacts the bottom surfaces 2d, 2d/ of the widened portions is fitted into these portions. . The small diameter portions 5a, 5 of the support shafts 5, 5'
A threaded portion 5b, 5b' having a thread cut on the outer periphery is provided at a portion closer to the base than a', and this threaded portion 5.
b, , 5 b' and the small diameter portions 5a, 5a',
The medium diameter portion 5c is slightly thicker than the small diameter portion.
５ ｃ／が設けられている。支持軸５，５′の上記ねじ
部５ｂ、５ｂ’には、先端側の部分が上記中径部５ｃ５
ｃ／に嵌合する嵌合リング８ａとして形成され、付根
側の部分がねじリング８ｂとして形成されたねじ付きの
押えリング８が、その外側端面８ｃかＬ記スラストカラ
ー７に当接するようにして螺着されている。これにより
、スラストカラー７は拡口部の底面２ｄ、２ｄ’と押え
リング８の端面８ｃつて前後に移動させることができる
。また、押えリング８の外周部には、軸受穴（拡口部２
ｔｙ、２ｂ〆）と内接するＯリング９が配設されており
、押えリング８の内側には押えリング８の位置を固定す
るためのロックナラ１−１０が螺着されている。なお、
上記嵌合リング８ａと支持軸の中径部５ Ｃ、５Ｃ’と
の嵌合は、軸と垂直な方向の支持軸の遊びを防止する役
割を果たす。5 c/ is provided. The threaded portions 5b and 5b' of the support shafts 5 and 5' have a tip end portion that is connected to the medium diameter portion 5c5.
The threaded presser ring 8, which is formed as a fitting ring 8a that fits into c/ and whose root side is formed as a threaded ring 8b, is arranged so that its outer end surface 8c comes into contact with the L thrust collar 7. It is screwed on. Thereby, the thrust collar 7 can be moved back and forth along the bottom surfaces 2d and 2d' of the enlarged opening and the end surface 8c of the presser ring 8. In addition, a bearing hole (enlarged part 2
ty, 2b〆) is disposed, and a locking nut 1-10 for fixing the position of the presser ring 8 is screwed inside the presser ring 8. In addition,
The fitting between the fitting ring 8a and the medium diameter portions 5C, 5C' of the support shaft serves to prevent play of the support shaft in the direction perpendicular to the shaft.
この発明にかかるフロントアクスルの支承構造は上記の
ように構成されているので、使用によりスラストカラー
が摩耗した場合には、押えリングをその分だけスラスト
カラー側に移動させてその摩耗を補い、有害な軸方向の
遊びの発生を防止することができる。押えリングの移動
は、該押えリングを回すだけで容易に行われるので、摩
耗したスラストリングをその都度取り換えなければなら
ないような構造に較へて取扱いがはるかに便利なものと
なった。Since the front axle support structure according to the present invention is configured as described above, when the thrust collar is worn out due to use, the retainer ring is moved to the thrust collar side by that amount to compensate for the wear and cause harmful It is possible to prevent the occurrence of play in the axial direction. Since the holding ring can be easily moved by simply turning the holding ring, it is much more convenient to handle than a structure in which a worn thrust ring must be replaced each time.
第２図はその要部拡大断面図、および第３図は従来の支
承構造をあられす断面図である。FIG. 2 is an enlarged sectional view of the main part, and FIG. 3 is a sectional view of the conventional support structure.
１ アクスルブラケット、２ 、２’・・軸受体、２ａ
。1 Axle bracket, 2, 2'...bearing body, 2a
.
２ ａ／・・・軸受穴、２ｂ、２ｂ′拡口部、３・・・
フロントアクスル、５ 、５’・支持軸、６・・・ブッ
シング、７スラストカラー、８・・・押えリング、１０
１．ロックナツト。2 a/...Bearing hole, 2b, 2b' enlarged part, 3...
Front axle, 5, 5'・Support shaft, 6... Bushing, 7 Thrust collar, 8... Holding ring, 10
1. Rocknut.
特許出願人 井関農機株式会社 代理人 弁理士 菅 原 弘 志Patent applicant: Iseki Agricultural Machinery Co., Ltd. Agent: Patent Attorney Hiroshi Sugahara
Claims (3)
支持軸を、フロントアクスルを支持するアクスルブラケ
ットに設けた軸受穴に嵌合させて支承するに際し、該軸
受穴をその入口側が拡口部となる段付きの穴として形成
し、この拡口部に支持軸に嵌合するリング状のスラスト
カラーを配設するとともに、支持軸の中間部外周にねじ
を設けてこれに前後位置調節可能なねじ付きの押えリン
グを螺着し、軸受穴に支持軸を嵌合した状態で、前記ス
ラストカラーを軸受穴の拡口部底面と押えリングの端面
との間で挟持するようにしたことを特徴とするフロント
アクスルの支承構造。(1) When supporting the front and rear support shafts protruding from the center of the front axle by fitting them into the bearing holes provided in the axle bracket that supports the front axle, the entrance side of the bearing holes should be an enlarged part. A ring-shaped thrust collar that fits on the support shaft is installed in this enlarged opening, and a screw is provided on the outer periphery of the middle part of the support shaft, and a screw that can adjust the front and back position is installed on the outer circumference of the intermediate part of the support shaft. The thrust collar is sandwiched between the bottom surface of the enlarged part of the bearing hole and the end surface of the presser ring in a state in which a presser ring is screwed on and the support shaft is fitted into the bearing hole. Front axle support structure.
ツトが設けられている特許請求の範囲第１項記載のフロ
ントアクスルの支承構造。(2) The front axle support structure according to claim 1, wherein a lock nut for fixing the presser ring is provided inside the presser ring.
ルブラケット本体の前部に垂下させて設けた軸受体の後
向きに開口した軸受穴によって支承されている特許請求
の範囲第１項または第２項記載のフロントアクスルの支
承構造。(3) Claim 1 or 2, wherein the front support shaft of the front axle is supported by a rearward-opening bearing hole of a bearing provided hanging from the front part of the axle bracket body. front axle support structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10987681A JPS5812815A (en) | 1981-07-14 | 1981-07-14 | Front axle supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10987681A JPS5812815A (en) | 1981-07-14 | 1981-07-14 | Front axle supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5812815A true JPS5812815A (en) | 1983-01-25 |
| JPS6111804B2 JPS6111804B2 (en) | 1986-04-04 |
Family
ID=14521409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10987681A Granted JPS5812815A (en) | 1981-07-14 | 1981-07-14 | Front axle supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5812815A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332506U (en) * | 1990-07-23 | 1991-03-29 | ||
| US6441539B1 (en) * | 1999-11-11 | 2002-08-27 | Murata Manufacturing Co., Ltd. | Piezoelectric resonator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62147830U (en) * | 1986-03-13 | 1987-09-18 |
-
1981
- 1981-07-14 JP JP10987681A patent/JPS5812815A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332506U (en) * | 1990-07-23 | 1991-03-29 | ||
| US6441539B1 (en) * | 1999-11-11 | 2002-08-27 | Murata Manufacturing Co., Ltd. | Piezoelectric resonator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6111804B2 (en) | 1986-04-04 |
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