JPH07253126A - Support device for driving transmission member - Google Patents

Support device for driving transmission member

Info

Publication number
JPH07253126A
JPH07253126A JP7010094A JP7010094A JPH07253126A JP H07253126 A JPH07253126 A JP H07253126A JP 7010094 A JP7010094 A JP 7010094A JP 7010094 A JP7010094 A JP 7010094A JP H07253126 A JPH07253126 A JP H07253126A
Authority
JP
Japan
Prior art keywords
transmission shaft
bush
way clutch
support device
transmission
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.)
Pending
Application number
JP7010094A
Other languages
Japanese (ja)
Inventor
Yaeki Araki
八重樹 荒木
Sadahiko Fukuda
禎彦 福田
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.)
Mitsubishi Agricultural Machinery Co Ltd
Original Assignee
Mitsubishi Agricultural Machinery 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 Mitsubishi Agricultural Machinery Co Ltd filed Critical Mitsubishi Agricultural Machinery Co Ltd
Priority to JP7010094A priority Critical patent/JPH07253126A/en
Publication of JPH07253126A publication Critical patent/JPH07253126A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To provide a support device for a driving transmission member which does not abrade a transmission shaft and is easily mounted on and demounted from the transmission shaft. CONSTITUTION:A bush 11 is engaged with a spline 3a of a transmission shaft 3, then unrotatably and demountably mounted on an outer periphery of the transmission shaft 3 projected from a mission case 2. A cam 9 of a one-way clutch 7 is in sliding contact with an outer peripheral surface of the bush 11. With such an arrangement, the transmission shaft 3 is not abraded. In addition, a pre-treatment driving pulley (driving transmission member) 1 can easily be pulled from the transmission shaft 3 together with a support device, and easily assembled in a similar manner. A clutch rate can be varied by varying thickness of the bush 11.

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、コンバインなどにおい
て、ミッションケースから突出した伝動軸に、その伝動
軸によりワンウェイクラッチを介して駆動される前処理
駆動プーリなどの駆動伝達部材を支持する支持装置に関
する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combiner or the like for supporting a drive shaft protruding from a transmission case with a drive transmission member such as a pretreatment drive pulley which is driven by the drive shaft via a one-way clutch. Regarding

【0002】[0002]

【従来の技術】図5は、従来例を示す断面図で、コンバ
インにおける前処理駆動プーリ(駆動伝達部材)の支持
装置を示している。
2. Description of the Related Art FIG. 5 is a cross-sectional view showing a conventional example and shows a support device for a pretreatment drive pulley (drive transmission member) in a combine.

【0003】図のように、前処理駆動プーリ1は、ミッ
ションケース2から突出した伝動軸3に、2つの軸受
(ベアリング)5,6と、その軸受5,6間のワンウェ
イクラッチ7とによって支持されている。つまり2つの
軸受(ベアリング)5,6とワンウェイクラッチ7とが
前処理駆動プーリ1の支持装置を構成している。またワ
ンウェイクラッチ7は、楔止部材である複数のカム9を
備えたもので、キー10を用いて前処理駆動プーリ1に
回転不能に結合されている。
As shown in the figure, the pretreatment drive pulley 1 is supported on a transmission shaft 3 protruding from a transmission case 2 by two bearings 5 and 6 and a one-way clutch 7 between the bearings 5 and 6. Has been done. That is, the two bearings 5 and 6 and the one-way clutch 7 constitute a support device for the pretreatment drive pulley 1. The one-way clutch 7 is provided with a plurality of cams 9 which are wedge members, and is non-rotatably connected to the pretreatment drive pulley 1 by using a key 10.

【0004】そして前処理駆動プーリ1は、伝動軸3が
正転したときには、ワンウェイクラッチ7のカム9が伝
動軸3の外周面とかみ合うことにより、伝動軸3に連結
されて駆動される。また伝動軸3が逆転したときには、
ワンウェイクラッチ7のカム9と伝動軸3の外周面との
かみ合いが外れることにより、伝動軸3は空転する。即
ち、前処理駆動プーリ1は、ワンウェイクラッチ7を介
して一方向にのみ駆動される。
When the transmission shaft 3 rotates normally, the pretreatment drive pulley 1 is connected to the transmission shaft 3 and driven by the cam 9 of the one-way clutch 7 engaging with the outer peripheral surface of the transmission shaft 3. When the transmission shaft 3 reverses,
The disengagement between the cam 9 of the one-way clutch 7 and the outer peripheral surface of the transmission shaft 3 causes the transmission shaft 3 to idle. That is, the pretreatment drive pulley 1 is driven only in one direction via the one-way clutch 7.

【0005】伝動軸3が空転する際には、前処理駆動プ
ーリ1は、2つの軸受5,6によって停止状態で支持さ
れ、ワンウェイクラッチ7のカム9は、伝動軸3の外周
面に摺接することになる。
When the transmission shaft 3 idles, the pretreatment drive pulley 1 is supported in a stopped state by the two bearings 5 and 6, and the cam 9 of the one-way clutch 7 slides on the outer peripheral surface of the transmission shaft 3. It will be.

【0006】[0006]

【発明が解決しようとする課題】上述のような従来の前
処理駆動プーリ1の支持装置では、伝動軸3と、ワンウ
ェイクラッチ7のカム9との間で、かみ合いと摺接とが
繰り返されるために、その伝動軸3の摺接面が摩滅する
という問題があった。そしてその摩滅した伝動軸3を新
しいものと交換するには、トランスミッションを分解し
なければならず、非常に時間と手間がかかる。
In the conventional supporting device for the pretreatment drive pulley 1 as described above, meshing and sliding contact are repeated between the transmission shaft 3 and the cam 9 of the one-way clutch 7. In addition, there is a problem that the sliding contact surface of the transmission shaft 3 is worn away. In order to replace the worn transmission shaft 3 with a new one, the transmission must be disassembled, which is very time-consuming and troublesome.

【0007】本発明は、このような問題を解決するため
に提案されたもので、伝動軸を摩滅させることのない、
しかも伝動軸に対する着脱の容易な駆動伝達部材の支持
装置を提供することを目的とする。
The present invention has been proposed to solve such a problem and does not cause wear of the transmission shaft.
Moreover, it is an object of the present invention to provide a support device for a drive transmission member that can be easily attached to and detached from a transmission shaft.

【0008】[0008]

【課題を解決するための手段】上記目的を達成するため
に、本発明に係る駆動伝達部材(1)の支持装置(5,
6,7,11)では、伝動軸(3)の外周に、ブッシュ
(11)を回転不能に、かつ着脱自在に装着し、そのブ
ッシュ(11)の外周面が、ワンウェイクラッチ(7)
の楔止部材(9)摺接面となるように構成した。
In order to achieve the above object, a support device (5, 5) for a drive transmission member (1) according to the present invention.
6, 7, 11), the bush (11) is non-rotatably and detachably attached to the outer periphery of the transmission shaft (3), and the outer peripheral surface of the bush (11) has a one-way clutch (7).
The wedge stop member (9) has a sliding contact surface.

【0009】[0009]

【作用】上記構成の支持装置(5,6,7,11)によ
れば、ブッシュ(11)の外周面に、ワンウェイクラッ
チ(7)の楔止部材(9)が摺接することになるため、
伝動軸(3)を摩滅させることがない。しかもブッシュ
(11)が伝動軸(3)に対して着脱自在であるため、
駆動伝達部材(1)を、支持装置(5,6,7,11)
と一緒に伝動軸(3)から簡単に引き抜くことができ、
同様にその取り付けも簡単に行うことができる。
According to the supporting device (5, 6, 7, 11) having the above-mentioned structure, since the wedge member (9) of the one-way clutch (7) comes into sliding contact with the outer peripheral surface of the bush (11),
It does not wear the transmission shaft (3). Moreover, since the bush (11) is detachable from the transmission shaft (3),
The drive transmission member (1) is attached to the supporting device (5, 6, 7, 11).
Can be easily removed from the transmission shaft (3) with
Similarly, it can be easily attached.

【0010】なお、上記括弧内の符号は、図面と対照す
るためのものであり、何等本発明の構成を限定するもの
ではない。
The reference numerals in the above parentheses are for comparison with the drawings and do not limit the structure of the present invention.

【0011】[0011]

【実施例】以下、図面に基づいて本発明の実施例を説明
する。 〈実施例1〉図1は、実施例1を示す断面図で、コンバ
インにおける前処理駆動プーリ(駆動伝達部材)の支持
装置を示している。なお、図1において、図5に示した
従来例と同等の構成部品には、同一の符号を付して説明
を省略する。
Embodiments of the present invention will be described below with reference to the drawings. <Embodiment 1> FIG. 1 is a sectional view showing Embodiment 1 and shows a support device for a pre-treatment drive pulley (drive transmission member) in a combine. Note that, in FIG. 1, the same components as those of the conventional example shown in FIG.

【0012】図のように、本実施例1では、ミッション
ケース2から突出した伝動軸3の外周に、ブッシュ11
が装着されており、前処理駆動プーリ1は、そのブッシ
ュ11と、そのブッシュ11の外周に配置された2つの
軸受(ベアリング)5,6およびワンウェイクラッチ7
により支持されている。つまり、ブッシュ11と2つの
軸受(ベアリング)5,6とワンウェイクラッチ7と
が、前処理駆動プーリ1の支持装置を構成している。
As shown in the figure, in the first embodiment, the bush 11 is provided on the outer periphery of the transmission shaft 3 protruding from the mission case 2.
The pretreatment drive pulley 1 has a bush 11 and two bearings 5 and 6 and a one-way clutch 7 arranged on the outer circumference of the bush 11.
It is supported by. That is, the bush 11, the two bearings 5 and 6, and the one-way clutch 7 constitute a support device for the pretreatment drive pulley 1.

【0013】上記ブッシュ11は、伝動軸3の外周面に
形成されたスプライン3aと係合することによって、伝
動軸3に回転不能に、かつ着脱自在に装着されている。
The bush 11 is non-rotatably and detachably attached to the transmission shaft 3 by engaging with a spline 3a formed on the outer peripheral surface of the transmission shaft 3.

【0014】上記構成の支持装置によって伝動軸3に支
持された前処理駆動プーリ1は、伝動軸3が正転したと
きには、ワンウェイクラッチ7のカム9がブッシュ11
の外周面とかみ合うことにより、伝動軸3に連結されて
駆動される。また伝動軸3が逆転したときには、ワンウ
ェイクラッチ7のカム9とブッシュ11の外周面とのか
み合いが外れることにより、伝動軸3は空転する。
In the pretreatment drive pulley 1 supported on the transmission shaft 3 by the supporting device having the above-described structure, the cam 9 of the one-way clutch 7 has the bush 11 when the transmission shaft 3 is normally rotated.
By being engaged with the outer peripheral surface of the drive shaft 3, the drive shaft is connected to the drive shaft 3 and driven. When the transmission shaft 3 reversely rotates, the cam 9 of the one-way clutch 7 and the outer peripheral surface of the bush 11 are disengaged from each other, so that the transmission shaft 3 idles.

【0015】即ち、上記支持装置では、伝動軸3の空転
時には、ブッシュ11の外周面が、ワンウェイクラッチ
7のカム9の摺接面(楔止部材摺接面)となる。従っ
て、伝動軸3を摩滅させることがない。
That is, in the above supporting device, when the transmission shaft 3 idles, the outer peripheral surface of the bush 11 serves as a sliding contact surface (wedge stop member sliding contact surface) of the cam 9 of the one-way clutch 7. Therefore, the transmission shaft 3 is not worn away.

【0016】また、ブッシュ11が伝動軸3に対して着
脱自在であるため、摩滅したブッシュ11の交換などの
ために前処理駆動プーリ1を伝動軸3から取り外す際に
は、プーリ1の前カバー1aと伝動軸3の先端部の止め
金12とを外せば、プーリ1を支持部材と一緒に簡単に
引き抜くことができる。同様に、前処理駆動プーリ1の
取り付けも簡単に行うことができる。
Further, since the bush 11 is detachable from the transmission shaft 3, when the pretreatment drive pulley 1 is removed from the transmission shaft 3 for replacement of the worn bush 11, the front cover of the pulley 1 is removed. By removing 1a and the stopper plate 12 at the tip of the transmission shaft 3, the pulley 1 can be easily pulled out together with the support member. Similarly, the pretreatment drive pulley 1 can be easily attached.

【0017】さらに上記支持装置では、ワンウェイクラ
ッチ7のカム9と係合するブッシュ11の外径Φ1が、
実際に前処理駆動プーリ1に駆動力を伝える伝動軸3の
径ということになる。従って、ブッシュ11の肉厚を変
えることにより、クラッチ容量を変更することができ、
図1のように、伝動軸3の基部の径Φ2より大きな内径
(ブッシュ外径Φ1)を有するワンウェイクラッチ7を
用いることも可能になる。言い換えれば、コンバインの
前処理の負荷に応じてクラッチ容量を選択し、そのよう
な容量のワンウェイクラッチ7を組み込んだ前処理駆動
プーリ1を伝動軸3に取り付けて使用することができ
る。 〈実施例2〉図2の断面図に示すように、本実施例2に
おける支持装置では、ブッシュ11は、キー13を用い
て伝動軸3に回転不能に、かつ着脱自在に装着されてい
る。
Further, in the above supporting device, the outer diameter Φ1 of the bush 11 engaging with the cam 9 of the one-way clutch 7 is
It is actually the diameter of the transmission shaft 3 that transmits the driving force to the pretreatment drive pulley 1. Therefore, the clutch capacity can be changed by changing the wall thickness of the bush 11.
As shown in FIG. 1, it is also possible to use the one-way clutch 7 having an inner diameter (bush outer diameter Φ1) larger than the diameter Φ2 of the base portion of the transmission shaft 3. In other words, the clutch capacity can be selected according to the load of the pretreatment of the combine, and the pretreatment drive pulley 1 incorporating the one-way clutch 7 having such a capacity can be attached to the transmission shaft 3 for use. <Embodiment 2> As shown in the cross-sectional view of FIG. 2, in the support device of Embodiment 2, the bush 11 is non-rotatably and detachably attached to the transmission shaft 3 by using the key 13.

【0018】この構成では、プーリ1の前カバー1aお
よび伝動軸3の先端のボルト15と押さえ板16とを外
して上記キー13を引き抜くことにより、前処理駆動プ
ーリ1を支持部材と一緒に簡単に引き抜くことができ
る。同様に、前処理駆動プーリ1の取り付けも簡単に行
うことができる。
In this structure, the front cover 1a of the pulley 1 and the bolt 15 and the pressing plate 16 at the tip of the transmission shaft 3 are removed and the key 13 is pulled out, so that the pretreatment drive pulley 1 can be easily combined with the supporting member. Can be pulled out. Similarly, the pretreatment drive pulley 1 can be easily attached.

【0019】そしてこの構成の支持装置の場合にも、上
記実施例1と同様の効果を得ることができる。 〈実施例3〉図3の断面図に示すように、本実施例3に
おける支持装置では、上記実施例1,2とは逆に、伝動
軸3の先端側に位置する軸受5の方が、基部側に位置す
る軸受6よりも内径の大きなものが用いられている。こ
れに伴い、各軸受5,6およびワンウェイクラッチ7に
対するブッシュ11の外径Φ3,Φ4,Φ1は、Φ3>
Φ1>Φ4の関係で、伝動軸3の先端側ほど大径に形成
されている。その他の構成については、上記実施例1と
同様である。
Also in the case of the supporting device having this structure, the same effect as that of the first embodiment can be obtained. <Embodiment 3> As shown in the cross-sectional view of FIG. 3, in the support device according to the present Embodiment 3, contrary to Embodiments 1 and 2, the bearing 5 located on the tip side of the transmission shaft 3 is A bearing having an inner diameter larger than that of the bearing 6 located on the base side is used. Accordingly, the outer diameters Φ3, Φ4, and Φ1 of the bush 11 with respect to the bearings 5, 6 and the one-way clutch 7 are Φ3>
Due to the relationship of Φ1> Φ4, the diameter of the transmission shaft 3 is increased toward the front end side. Other configurations are similar to those of the first embodiment.

【0020】この構成では、プーリ1の前カバー1aと
伝動軸3の先端部の止め金12とを外せば、前処理駆動
プーリ1を伝動軸3に取り付けた状態でも、伝動軸3の
先端側から、摩滅したブッシュ11を交換したり、破損
したワンウェイクラッチ7を交換したりすることが可能
となり、メンテナンスが容易となる。もちろん、上記実
施例1,2と同様の効果も得られる。 〈参考例〉図4の断面図に示すように、この参考例は、
ミッションケース2から突出した伝動軸3と、それに取
り付ける前処理駆動プーリ1との構成を変更することな
く、従来より長さの長い、従って寿命のより長いワンウ
ェイクラッチ7に交換する例を示したものである。
In this structure, if the front cover 1a of the pulley 1 and the stopper plate 12 at the tip of the transmission shaft 3 are removed, the front end side of the transmission shaft 3 is attached even when the pretreatment drive pulley 1 is attached to the transmission shaft 3. Therefore, it becomes possible to replace the worn bush 11 and the damaged one-way clutch 7, and the maintenance becomes easy. Of course, the same effects as those of the first and second embodiments can be obtained. <Reference Example> As shown in the cross-sectional view of FIG.
An example in which the transmission shaft 3 protruding from the transmission case 2 and the pretreatment drive pulley 1 attached to the transmission shaft 3 are replaced with a one-way clutch 7 having a longer length and thus a longer life than conventional ones without changing the configuration. Is.

【0021】即ち、ワンウェイクラッチ7の前後に位置
して前処理駆動プーリ1を支持する2つの軸受5,6
を、断面の小さなものと交換して、ワンウェイクラッチ
7の嵌め代Lを拡大させる。そして各軸受5,6とプー
リ1の内面との間に生じた隙間に、ブッシュ21,22
を装着して、プーリ1を支持するようにする。
That is, two bearings 5 and 6 which are located in front of and behind the one-way clutch 7 and which support the pretreatment drive pulley 1.
Is replaced with a small cross section to increase the fitting margin L of the one-way clutch 7. Then, the bushes 21, 22 are inserted in the gaps formed between the bearings 5, 6 and the inner surface of the pulley 1.
To support the pulley 1.

【0022】[0022]

【発明の効果】以上説明したように、本発明に係る駆動
伝達部材の支持装置によれば、伝動軸の外周に、ブッシ
ュを回転不能に、かつ着脱自在に装着し、そのブッシュ
の外周面が、ワンウェイクラッチの楔止部材摺接面とな
るように構成したため、伝動軸を摩滅させることがな
い。しかも駆動伝達部材を、支持装置と一緒に伝動軸か
ら簡単に引き抜くことができ、同様にその取り付けも簡
単に行うことができることから、メンテナンスが非常に
容易となる。
As described above, according to the drive transmission member supporting apparatus of the present invention, the bush is attached to the outer periphery of the transmission shaft in a non-rotatable and detachable manner, and the outer peripheral surface of the bush is Since it is configured to be the sliding contact surface of the wedge member of the one-way clutch, the transmission shaft is not worn away. Moreover, since the drive transmission member can be easily pulled out from the transmission shaft together with the supporting device, and similarly, the drive transmission member can be easily attached, the maintenance becomes very easy.

【0023】さらに、ブッシュの肉厚を変えることによ
ってクラッチ容量を変更することができるため、例えば
コンバインの前処理の負荷に応じてクラッチ容量を選択
し、そのような容量のワンウェイクラッチを組み込んだ
前処理駆動プーリを伝動軸に取り付けて使用することが
できる。
Further, since the clutch capacity can be changed by changing the wall thickness of the bush, for example, the clutch capacity is selected according to the load of the pretreatment of the combine, and the one-way clutch having such capacity is installed. The processing drive pulley can be attached to the transmission shaft for use.

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

【図1】本発明の実施例1を示す断面図。FIG. 1 is a sectional view showing a first embodiment of the present invention.

【図2】本発明の実施例2を示す断面図。FIG. 2 is a sectional view showing a second embodiment of the present invention.

【図3】本発明の実施例3を示す断面図。FIG. 3 is a sectional view showing a third embodiment of the present invention.

【図4】参考例を示す断面図。FIG. 4 is a sectional view showing a reference example.

【図5】従来例を示す断面図。FIG. 5 is a sectional view showing a conventional example.

【符号の説明】[Explanation of symbols]

1 前処理駆動プーリ(駆動伝達部材) 2 ミッションケース 3 駆動軸 5,6 軸受 7 ワンウェイクラッチ 9 カム(楔止部材) 11 ブッシュ 1 Pretreatment Drive Pulley (Drive Transmission Member) 2 Mission Case 3 Drive Shaft 5, 6 Bearing 7 One Way Clutch 9 Cam (Wedge Stopper) 11 Bush

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 ミッションケースから突出した伝動軸
に、該伝動軸によりワンウェイクラッチを介して駆動さ
れる駆動伝達部材を支持する駆動伝達部材の支持装置に
おいて、 上記伝動軸の外周に、ブッシュが回転不能に、かつ着脱
自在に装着され、 該ブッシュの外周面が、上記ワンウェイクラッチの楔止
部材摺接面となる、 ことを特徴とする駆動伝達部材の支持装置。
1. A drive transmission member supporting device for supporting a drive transmission member driven by a transmission shaft via a one-way clutch on a transmission shaft protruding from a transmission case, wherein a bush rotates around the outer periphery of the transmission shaft. A support device for a drive transmission member, wherein the bush is fixedly and detachably mounted, and the outer peripheral surface of the bush serves as a sliding contact surface of the wedge stop member of the one-way clutch.
JP7010094A 1994-03-15 1994-03-15 Support device for driving transmission member Pending JPH07253126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7010094A JPH07253126A (en) 1994-03-15 1994-03-15 Support device for driving transmission member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7010094A JPH07253126A (en) 1994-03-15 1994-03-15 Support device for driving transmission member

Publications (1)

Publication Number Publication Date
JPH07253126A true JPH07253126A (en) 1995-10-03

Family

ID=13421784

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7010094A Pending JPH07253126A (en) 1994-03-15 1994-03-15 Support device for driving transmission member

Country Status (1)

Country Link
JP (1) JPH07253126A (en)

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