JPH07285789A - Variable traction force winch - Google Patents
Variable traction force winchInfo
- Publication number
- JPH07285789A JPH07285789A JP8285094A JP8285094A JPH07285789A JP H07285789 A JPH07285789 A JP H07285789A JP 8285094 A JP8285094 A JP 8285094A JP 8285094 A JP8285094 A JP 8285094A JP H07285789 A JPH07285789 A JP H07285789A
- Authority
- JP
- Japan
- Prior art keywords
- winding cylinder
- main
- winding
- winding drum
- pulling wire
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 171
- 238000010586 diagram Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、駆動源からの駆動力が
伝達される巻胴の回転によって牽引ワイヤーを巻き取る
ウィンチに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winch for winding a pulling wire by rotating a winding cylinder to which a driving force from a driving source is transmitted.
【０００２】[0002]
【従来の技術】この種の、駆動源からの駆動力が伝達さ
れる巻胴の回転によって牽引ワイヤーを巻き取るウィン
チとしては、従来、例えば図６に示したようなもの（実
開平３−２３１８９号公報）がある。この従来例のもの
の概略を説明する。モーター２８等の駆動源からの駆動
力が数個の減速歯車からなる減速部２９によって減速さ
れて主軸３０に伝達され、さらに該主軸３０の前記減速
部２９の反対側に配置されたクラッチ部３１に伝達され
る。該クラッチ部３１の断接によって、前記主軸３０の
中間部に同軸状に回転自在に軸支された牽引ワイヤーＷ
を巻き取るための巻胴２１への駆動力を断接する。前記
クラッチ部３１を詳述すると、前記主軸３０と平行に配
置されたクラッチ軸ギヤ３１Ｂに設けられた切替つまみ
３１Ｃを軸方向に押圧すると、カム３１Ｄが押動ピン３
１Ｅを半径方向に突出させ係脱駒３１Ｆを介してクラッ
チギヤ３１Ａを前記クラッチ軸ギヤ３１Ｂに連結する。
このために、前記主軸３０に固定された主軸ギヤ３０Ａ
とこれに噛合するクラッチギヤ３１Ａ、クラッチ軸ギヤ
３１Ｂを介して、前記巻胴２１のフランジ２２と一体の
巻胴軸３２に固定された巻胴ギヤ３２Ａとが連結され
る。一方、前記切替つまみ３１Ｃを外方へ引っ張ると、
前記係脱駒３１Ｆが退避するので、前記主軸３０の駆動
力は巻胴２１には伝達されず、フリーの状態になり、前
記牽引ワイヤーＷを素手にて引っ張ることが可能にな
る。2. Description of the Related Art A winch for winding a pulling wire by the rotation of a winding cylinder to which a driving force from a driving source is transmitted is of a type as shown in FIG. Issue gazette). The outline of this conventional example will be described. A driving force from a driving source such as a motor 28 is decelerated by a reduction unit 29 composed of several reduction gears and transmitted to a main shaft 30, and a clutch unit 31 arranged on the opposite side of the main shaft 30 from the reduction unit 29. Be transmitted to. A pulling wire W coaxially and rotatably supported by an intermediate portion of the main shaft 30 by connecting and disconnecting the clutch portion 31.
The driving force to and from the winding drum 21 for winding up is disconnected. The clutch portion 31 will be described in detail. When the switching knob 31C provided on the clutch shaft gear 31B arranged in parallel with the main shaft 30 is axially pressed, the cam 31D causes the push pin 3 to move.
1E is projected in the radial direction and the clutch gear 31A is connected to the clutch shaft gear 31B via the engagement / disengagement piece 31F.
For this reason, a main shaft gear 30A fixed to the main shaft 30
A winding drum gear 32A fixed to a winding drum shaft 32 that is integral with the flange 22 of the winding drum 21 is connected via a clutch gear 31A and a clutch shaft gear 31B meshing therewith. On the other hand, when the switching knob 31C is pulled outward,
Since the engagement / disengagement piece 31F is retracted, the driving force of the main shaft 30 is not transmitted to the winding cylinder 21 and becomes free, and the pulling wire W can be pulled with bare hands.
【０００３】このようなウィンチにおいて、図７（図６
のＤ−Ｄ断面）に示すように、所定の駆動トルクＴにて
巻胴２１を回転させて牽引ワイヤーＷを巻き取る場合を
考察すると、ウィンチの使用始めにおいては通常、巻胴
２１に牽引ワイヤーＷが多層に巻き付けられている。図
示の４層を例にすると、半径Ｒ４によって巻き付けられ
ている第４層牽引ワイヤーＷ４については、駆動トルク
Ｔによって該第４層牽引ワイヤーＷ４に作用する牽引力
Ｆ４はＦ４＝Ｔ／Ｒ４であり、半径Ｒ１によって巻き付
けられている第１層牽引ワイヤーＷ１が得ることのでき
る牽引力Ｆ１＝Ｔ／Ｒ１に比較して小さいものとなって
しまう。In such a winch, as shown in FIG.
Considering a case where the winding drum 21 is rotated with a predetermined drive torque T to wind up the pulling wire W as shown in FIG. W is wound in multiple layers. Taking the four layers shown as an example, for the fourth-layer traction wire W4 wound around the radius R4, the traction force F4 acting on the fourth-layer traction wire W4 by the driving torque T is F4 = T / R4, The pulling force F1 = T / R1 that can be obtained by the first layer pulling wire W1 wound around the radius R1 becomes smaller than the pulling force.
【０００４】[0004]
【発明が解決しようとする課題】したがって、このよう
な従来のウィンチにおいては、該ウィンチから牽引対象
物が比較的近距離にある場合、多層に巻き付けられた牽
引ワイヤーＷをあまり引き出すことができないために、
その巻付け半径（例えばＲ４）が大きく、得られる牽引
力は比較的小さい。このため、これを無理して牽引しよ
うとすると、駆動源であるモーター等が過負荷となり最
悪の場合にはモーターが焼き付く虞れもあった。また、
このようなウィンチを車両における補機として搭載して
非常時の悪路脱出のために使用する場合等に、陥落した
車両から例えば立木等の柱までの距離が近過ぎる場合に
は牽引ワイヤーを充分に引き出すことができず、牽引力
不足によって自らが脱出不能に陥る虞れもあった。これ
を回避するには、多層に巻き付けられている牽引ワイヤ
ーを第１層目まで引き出してその巻付け半径を小さくし
て使用する必要があるが、使用条件によってはきわめて
面倒を伴うことが多い。このため、本発明では、上記従
来のウィンチにおける諸課題を解決して、牽引ワイヤー
が多層に巻き付けられている使用始めの状態であっても
高い牽引力が得られる構造の簡単な牽引力可変ウィンチ
を提供する。Therefore, in such a conventional winch, when the towed object is relatively close to the winch, the tow wire W wound in multiple layers cannot be pulled out much. To
The winding radius (for example, R4) is large, and the obtained traction force is relatively small. For this reason, if it is attempted to pull it by force, the motor or the like, which is a drive source, may be overloaded, and in the worst case, the motor may be seized. Also,
If such a winch is used as an auxiliary machine in a vehicle and is used to escape from a rough road in an emergency, etc., if the distance from the fallen vehicle to the pillar, such as a standing tree, is too short, use a sufficient pulling wire. There was also a risk that he could not pull out to himself and could not get out due to lack of traction. In order to avoid this, it is necessary to pull out the pulling wire wound in multiple layers to the first layer and reduce the winding radius before use, but this is often very troublesome depending on the use conditions. Therefore, the present invention solves the above-mentioned problems in the conventional winch, and provides a simple traction force variable winch having a structure in which a high traction force is obtained even in the state of initial use in which the traction wires are wound in multiple layers. To do.
【０００５】[0005]
【課題を解決するための手段】そこで、本発明は、上記
した従来の課題を解決するための手段として、駆動源か
らの駆動力が伝達される巻胴の回転によって牽引ワイヤ
ーを巻き取るウィンチにおいて、前記巻胴を、主巻胴と
該主巻胴より小径の非常用副巻胴とに軸方向で分割し、
該分割部に少なくとも主フランジが配置されていること
を特徴とするもので、これを課題解決のための手段とす
るものである。また、本発明は、前記主フランジに略半
径方向の牽引ワイヤー案内溝が設けられていることを特
徴とするものである。さらに、本発明は、主巻胴と該主
巻胴より小径の非常用副巻胴とに軸方向で分割するため
に、前記副巻胴が主巻胴内にスプライン嵌合して収納さ
れ、非常時に前記副巻胴を主巻胴から抜き出して使用す
るように構成されていることを特徴とするものである。
さらにまた、本発明は、前記牽引ワイヤーに少なくとも
非常時に使用できる長さを表示する識別マークを付して
あることを特徴とするものである。Therefore, as a means for solving the above-mentioned conventional problems, the present invention provides a winch for winding a pulling wire by rotation of a winding cylinder to which a driving force from a driving source is transmitted. , The winding cylinder is divided into a main winding cylinder and an emergency auxiliary winding cylinder having a smaller diameter than the main winding cylinder in the axial direction,
At least a main flange is arranged in the divided portion, which is a means for solving the problem. Further, the present invention is characterized in that the main flange is provided with a pulling wire guide groove in a substantially radial direction. Further, in the present invention, in order to divide the main winding cylinder and the emergency auxiliary winding cylinder having a smaller diameter than the main winding cylinder in the axial direction, the auxiliary winding cylinder is accommodated by spline fitting in the main winding cylinder. The present invention is characterized in that the auxiliary winding cylinder is configured to be extracted from the main winding cylinder for use in an emergency.
Furthermore, the present invention is characterized in that the pulling wire is provided with an identification mark indicating at least a length that can be used in an emergency.
【０００６】[0006]
【作用】本発明は、以上の手段によって、牽引ワイヤー
Ｗが主巻胴１に多層に巻き付けられている使用始めの状
態であっても、切替つまみ１１Ｃをフリーにしてクラッ
チ部を切断し、駆動源との接続を断った状態（あるいは
クラッチ部を接続したままで巻胴を逆回転駆動してもよ
い。）で手動にて前記牽引ワイヤーＷの始端を僅か引き
出して、軸方向に分割されて前記主巻胴１に隣接する半
径の小さい非常用の副巻胴３に巻き付けた後、前記クラ
ッチ部を接続して巻胴を回転駆動することで、大きな牽
引力による牽引作業が可能になるものである。また、前
記主巻胴１に巻き付けられた牽引ワイヤーＷの始端を副
巻胴３に巻き付ける際には、前記主巻胴１と副巻胴３と
間の分割部に配置された主フランジ２に設けられた略半
径方向の牽引ワイヤー案内溝５に前記牽引ワイヤーＷを
通すことで、その移行がきわめて円滑になるものであ
る。さらに、主巻胴１と該主巻胴１より小径の非常用の
副巻胴３とに軸方向で分割するために、前記副巻胴３が
主巻胴１内にスプライン嵌合して収納され、非常時に前
記副巻胴３を主巻胴１から抜き出して使用するように構
成するならば、通常は副巻胴３の巻胴面を露呈させずに
保護することができる。そして、牽引ワイヤーＷに少な
くとも非常時に使用できる長さを表示する識別マークＭ
を付すならば、徒に牽引ワイヤーＷを引き出すことが防
止できる。According to the present invention, by the above means, even when the pulling wire W is wound around the main winding drum 1 in multiple layers at the beginning of use, the switching knob 11C is freed to disconnect the clutch portion to drive. In the state in which the connection with the power source is cut off (or the winding cylinder may be driven in the reverse rotation with the clutch part still connected), the start end of the pulling wire W is slightly pulled out manually and divided in the axial direction. After winding on the auxiliary secondary winding cylinder 3 having a small radius adjacent to the main winding cylinder 1 and connecting the clutch portion to rotate the winding cylinder, a pulling operation with a large pulling force becomes possible. is there. Further, when the starting end of the pulling wire W wound around the main winding cylinder 1 is wound around the auxiliary winding drum 3, the main flange 2 is disposed at a divided portion between the main winding drum 1 and the auxiliary winding drum 3. By passing the pulling wire W through the pulling wire guide groove 5 provided in the substantially radial direction, the transition thereof becomes extremely smooth. Further, in order to divide the main winding cylinder 1 and the emergency auxiliary winding cylinder 3 having a smaller diameter than the main winding cylinder 1 in the axial direction, the auxiliary winding cylinder 3 is accommodated in the main winding cylinder 1 by spline fitting. If the auxiliary winding cylinder 3 is constructed so as to be pulled out of the main winding cylinder 1 and used in an emergency, the winding cylinder surface of the auxiliary winding cylinder 3 can normally be protected without being exposed. Then, the identification mark M indicating the length of the pulling wire W that can be used at least in an emergency.
If attached, the pulling wire W can be prevented from being pulled out.
【０００７】[0007]
【実施例】以下本発明の実施例を図面に基づいて説明す
る。図１は本発明の牽引力可変ウィンチの第１実施例を
示すものである。本実施例によるウィンチにおいても、
詳細には図示しないが、上述した従来のウィンチと同様
に、モーター８等の駆動源からの駆動力が巻胴内に配置
された主軸１０（後述）からクラッチ部１１に伝達され
る。さらに数個の減速歯車からなる減速部９によって減
速される。そして該クラッチ部１１の切替つまみ１１Ｃ
による断接によって、前記主軸１０の中間部に同軸状に
回転自在に軸支された牽引ワイヤーＷを巻き取るための
巻胴への駆動力を断接するように構成されるものであ
る。本実施例では、巻胴として以下のような特徴を有す
る。駆動源からの駆動力が伝達されて回転し、牽引ワイ
ヤーＷを巻き取る前記巻胴を、比較的径Ｄ１の大きな主
巻胴１と該主巻胴１より小径Ｄ２の非常用副巻胴３とに
軸方向で分割し、該分割部に少なくとも主フランジ２が
配置されていることを特徴とするもので、該主フランジ
２には、図１（Ａ）のＡ−Ａ断面である図１（Ｂ）に示
すように、略半径方向の牽引ワイヤー案内溝５が設けら
れるものである。該案内溝５は牽引ワイヤーＷが案内さ
れ易いように側面視で幾分円弧形状を呈する。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a first embodiment of the variable traction force winch of the present invention. Also in the winch according to this embodiment,
Although not shown in detail, similar to the conventional winch described above, the driving force from the driving source such as the motor 8 is transmitted to the clutch portion 11 from the main shaft 10 (described later) arranged in the winding drum. Further, the speed is reduced by the speed reduction unit 9 including several speed reduction gears. Then, the switching knob 11C of the clutch portion 11
The connection and disconnection according to (1) makes the connection and disconnection of the driving force to the winding drum for winding the pulling wire W which is rotatably supported coaxially on the intermediate portion of the main shaft 10. In this embodiment, the winding cylinder has the following features. The main drum 1 having a relatively large diameter D1 and the emergency sub-roller drum 3 having a diameter D2 smaller than the main drum 1 are used to rotate the winding drum for winding the pulling wire W by transmitting the driving force from the driving source. 1 in which at least the main flange 2 is disposed in the divided portion in the axial direction, and the main flange 2 is a sectional view taken along the line AA in FIG. As shown in (B), a pulling wire guide groove 5 in a substantially radial direction is provided. The guide groove 5 is somewhat arcuate in side view so that the pulling wire W can be easily guided.
【０００８】かく構成されているので、牽引ワイヤーＷ
が主巻胴１に多層に巻き付けられている使用始めの状態
であっても、切替つまみ１１Ｃをフリーにしてクラッチ
部を切断し、駆動源との接続を断った状態（あるいはク
ラッチ部を接続したままで巻胴を逆回転駆動してもよ
い。）で手動にて前記牽引ワイヤーＷの始端を僅か引き
出して、軸方向に分割されて前記主巻胴１に隣接する半
径の小さい非常用の副巻胴３に巻き付けた後、前記クラ
ッチ部を接続して巻胴を回転駆動することで、図１
（Ａ）のＣ−Ｃ断面である図２にて理解されるように、
牽引ワイヤーＷが主巻胴１に多層に巻き付けられた使用
始めの状態における、大きな半径Ｒ４の牽引ワイヤーＷ
４に作用する駆動トルクＴによる小さな牽引力Ｆ４＝Ｔ
／Ｒ４に比較して、ＦＥ＝Ｔ／ＲＥ（ＦＥは小さな半径
ＲＥなる副巻胴３に巻き付けられた非常時の牽引ワイヤ
ーＷＥに作用する駆動トルクＴによる牽引力を表す。）
なる大きな牽引力による牽引作業が可能になるものであ
る。また、前記主巻胴１に巻き付けられた牽引ワイヤー
Ｗの始端を副巻胴３に巻き付ける際には、前記主巻胴１
と副巻胴３と間の分割部に配置された主フランジ２に設
けられた略半径方向の牽引ワイヤー案内溝５に前記牽引
ワイヤーＷを通すことで、その移行がきわめて円滑にな
る。Since it is constructed in this way, the traction wire W
Even when it is in a state in which it is being wound in multiple layers around the main winding cylinder 1, the switching knob 11C is released to disconnect the clutch portion and disconnect the connection with the drive source (or the clutch portion is connected). The winding cylinder may be driven to rotate in the reverse direction.), The start end of the pulling wire W is slightly pulled out manually, and the emergency sub-unit is divided in the axial direction and is adjacent to the main winding cylinder 1 and has a small radius. After winding on the winding drum 3, the clutch portion is connected and the winding drum is driven to rotate.
As can be seen in FIG. 2 which is a C-C cross section of (A),
The pulling wire W having a large radius R4 in a state of being used, in which the pulling wire W is wound around the main winding cylinder 1 in multiple layers.
Small traction force F4 = T due to the driving torque T acting on 4
In comparison with / R4, FE = T / RE (FE represents the traction force due to the drive torque T that acts on the traction wire WE in an emergency wound around the auxiliary winding cylinder 3 having the small radius RE.)
This makes it possible to perform traction work with a large traction force. When winding the starting end of the pulling wire W wound around the main winding cylinder 1 around the sub winding cylinder 3, the main winding cylinder 1
By passing the pulling wire W through the pulling wire guide groove 5 in the substantially radial direction provided on the main flange 2 arranged in the divided portion between the sub winding drum 3 and the sub winding drum 3, the transition becomes extremely smooth.
【０００９】また、前記主巻胴１と副巻胴３と間の分割
部には少なくとも主フランジ２が配置されて設けられる
が、大径Ｄ１の主巻胴１と小径Ｄ２の副巻胴３とをテー
パ状の半径が漸減する案内部７によって連結し、該案内
部７と前記副巻胴３との境界に主フランジ２とほぼ同径
の副フランジ４を設け、図１（Ａ）のＣ−Ｃ断面である
図１（Ｃ）に示したように、該副フランジ４にも前記主
フランジ２に設けたものと同様の案内溝６を設けるもの
である。かく構成することによって、前記案内部７によ
って主巻胴１から副巻胴３へのなだらかな半径の変化に
より牽引時の応力の集中を防止できると共に、該案内部
７に牽引ワイヤーＷを巻き付けることで、巻胴と牽引ワ
イヤーとの摩擦力を増大させて副巻胴３に移行させるこ
とができる。Further, at least a main flange 2 is arranged and provided in a divided portion between the main winding cylinder 1 and the sub winding cylinder 3, and the main winding cylinder 1 having a large diameter D1 and the sub winding cylinder 3 having a small diameter D2 are provided. 1 and 2 are connected by a guide portion 7 whose taper radius is gradually reduced, and a sub-flange 4 having substantially the same diameter as that of the main flange 2 is provided at the boundary between the guide portion 7 and the sub-winding cylinder 3, and FIG. As shown in FIG. 1C which is a C-C cross section, the auxiliary flange 4 is also provided with a guide groove 6 similar to that provided in the main flange 2. With this structure, the guide portion 7 can prevent concentration of stress during pulling due to a gentle change of the radius from the main winding drum 1 to the sub winding drum 3, and the pulling wire W can be wound around the guide portion 7. Thus, it is possible to increase the frictional force between the winding drum and the pulling wire and transfer it to the sub winding drum 3.
【００１０】次に、本発明の第２実施例を図３、図４に
より説明する。本実施例では、前記主巻胴１と該主巻胴
１より小径の非常用の副巻胴３とに軸方向で分割するた
めに、前記副巻胴３が主巻胴１内にスプライン嵌合して
収納され、非常時に前記副巻胴３を主巻胴１から抜き出
して使用するように構成したものである。これによっ
て、通常は副巻胴３の巻胴面を露呈させずに保護するこ
とができることとなる。図３は、前記副巻胴３が主巻胴
１内に収納され、主巻胴１のみを使用する通常の状態を
示すもので、図４は前記副巻胴３が主巻胴１から抜き出
されて副巻胴３に牽引ワイヤーＷＥが巻き付けられた非
常時の使用状態を示している。本実施例においても、主
巻胴１と副巻胴３との間に配置された主フランジ２には
第１実施例と同様に案内溝５が設けられており、牽引ワ
イヤーＷの移行がきわめて円滑になるものである。Next, a second embodiment of the present invention will be described with reference to FIGS. In the present embodiment, the auxiliary winding cylinder 3 is spline-fitted into the main winding cylinder 1 in order to axially divide the main winding cylinder 1 and the emergency auxiliary winding cylinder 3 having a smaller diameter than the main winding cylinder 1. The auxiliary winding drum 3 is housed together, and the auxiliary winding drum 3 is extracted from the main winding drum 1 for use in an emergency. As a result, it is possible to protect the winding drum surface of the auxiliary winding drum 3 normally without exposing it. FIG. 3 shows a normal state in which the auxiliary winding cylinder 3 is housed in the main winding cylinder 1 and only the main winding cylinder 1 is used. FIG. 4 shows the auxiliary winding cylinder 3 removed from the main winding cylinder 1. The drawing shows the state of use in an emergency in which the pulling wire WE is taken out and wound around the auxiliary winding cylinder 3. In this embodiment as well, the main flange 2 arranged between the main winding drum 1 and the sub winding drum 3 is provided with the guide groove 5 as in the first embodiment, so that the movement of the pulling wire W is extremely high. It will be smooth.
【００１１】本実施例におけるその構成を詳述すると、
モーター８等の駆動源からの駆動力が主軸１０に伝達さ
れ、前記モーター８の反対側に配置されたクラッチ部１
１および遊星歯車からなる減速部９によって減速され、
前記主軸１０の中間部に同軸状に回転自在に軸支された
巻胴軸１２を介して牽引ワイヤーＷを巻き取るための主
巻胴１へと伝達される。前記クラッチ部１１および減速
部９では、前記主軸１０の端部近傍に形成された主軸サ
ンギヤ１０Ａの周りに公自転自在に噛合配置された複数
のピニオンギヤ９Ａがピニオンキャリア９Ｂによって支
持され、該ピニオンキャリア９Ｂには前記巻胴軸１２の
軸端部がスプライン嵌合等により固定されている。前記
ピニオンギヤ９Ａの外周側にはインターナルスライドク
ラッチギヤ１１Ａが外接噛合しており、該インターナル
スライドクラッチギヤ１１Ａはクラッチ切替つまみ１１
Ｃの回転によって軸方向に移動するスライドピン１１Ｄ
により軸方向にスライドする。これによってインターナ
ルスライドクラッチギヤ１１Ａは、クラッチ部のケーシ
ングのロック部１１Ｂに係合する回転不能なロック状態
（図面右側位置）の減速位置と、前記ロック部１１Ｂか
ら解放された中立位置（図面中間位置）と、ピニオンギ
ヤ９Ａとピニオンギヤキャリア９Ｂとを一体に係合する
直結位置（図面左位置）の３位置を選択する。一方、前
記主巻胴１内に収納される副巻胴３は、その胴部の内外
周に刻設されたスプラインＳを前記主巻胴１の内周およ
び前記巻胴軸１２の外周にそれぞれ刻設されたスプライ
ンＳにスプライン嵌合するものであり、副巻胴３の内周
と前記巻胴軸１２の外周との間にはスナップリング１４
が配置されて、前記副巻胴３の収納位置と引出し位置と
を画定する。以上の構成によって、主巻胴１のみを使用
する通常の状態では、図３のように副巻胴３が主巻胴１
内に収納され副巻胴３の巻胴面を露呈させずに保護する
ことができ、そして大きな牽引力を必要とする非常時に
は、図４に示すように副巻胴３を主巻胴１から抜き出し
て該副巻胴３に牽引ワイヤーＷＥを巻き付けるものであ
る。The configuration of this embodiment will be described in detail below.
The drive force from a drive source such as the motor 8 is transmitted to the main shaft 10, and the clutch unit 1 arranged on the opposite side of the motor 8
The speed is reduced by a speed reducer 9 composed of 1 and a planetary gear,
It is transmitted to the main winding drum 1 for winding the pulling wire W via the winding drum shaft 12 which is rotatably supported coaxially in the middle of the main shaft 10. In the clutch portion 11 and the speed reduction portion 9, a plurality of pinion gears 9A, which are meshed with each other around the main shaft sun gear 10A formed near the end portion of the main shaft 10 so as to freely revolve, are supported by a pinion carrier 9B. The shaft end of the winding drum shaft 12 is fixed to 9B by spline fitting or the like. An internal slide clutch gear 11A is externally meshed with an outer peripheral side of the pinion gear 9A, and the internal slide clutch gear 11A has a clutch switching knob 11A.
Slide pin 11D that moves in the axial direction by the rotation of C
To slide in the axial direction. As a result, the internal slide clutch gear 11A engages with the lock portion 11B of the casing of the clutch portion in the non-rotatable locked state (right position in the drawing) and the neutral position released from the lock portion 11B (in the middle of the drawing). Position) and a direct connection position (left position in the drawing) for integrally engaging the pinion gear 9A and the pinion gear carrier 9B. On the other hand, the sub winding cylinder 3 housed in the main winding cylinder 1 has splines S engraved on the inner and outer circumferences of its body portion on the inner circumference of the main winding cylinder 1 and the outer circumference of the winding cylinder shaft 12, respectively. It is to be spline-fitted to the engraved spline S, and a snap ring 14 is provided between the inner circumference of the auxiliary winding cylinder 3 and the outer circumference of the winding cylinder shaft 12.
Are arranged to define a storage position and a withdrawal position of the auxiliary winding cylinder 3. With the above configuration, in a normal state where only the main winding cylinder 1 is used, the sub winding cylinder 3 is moved to the main winding cylinder 1 as shown in FIG.
It is housed inside and can protect the winding drum surface of the auxiliary winding drum 3 without exposing it, and in an emergency requiring a large traction force, pull out the auxiliary winding drum 3 from the main winding drum 1 as shown in FIG. The pulling wire WE is wound around the sub winding cylinder 3.
【００１２】また、前記第２実施例において、前記副巻
胴３の外周の牽引ワイヤーＷを巻き付ける巻胴面となる
部分には、前記主巻胴１の内周とスプライン嵌合するス
プラインＳ部分を除いてスプラインを刻設せずに、前記
牽引ワイヤーＷの巻付けによって磨耗することがないよ
うに補強層３Ａを設けるものである。Further, in the second embodiment, a portion of the outer circumference of the auxiliary winding drum 3 which is a winding drum surface around which the pulling wire W is wound is spline S portion which is spline-fitted with the inner circumference of the main winding drum 1. Except for the above, the spline is not provided, and the reinforcing layer 3A is provided so as not to be worn by the winding of the pulling wire W.
【００１３】さらに、前記副巻胴３が主巻胴１内に収納
される通常の使用時には、前記副巻胴３の副フランジ４
と前記クラッチ部１１のケーシング側面との間には、前
記巻胴軸１２の外周に刻設されたスプラインＳが露呈す
るために、前記副巻胴３の副フランジ４と前記クラッチ
部１１のケーシング側面との間に蛇腹状のスプラインカ
バー１３を設けるとよい。Further, during normal use in which the auxiliary winding drum 3 is housed in the main winding drum 1, the auxiliary flange 4 of the auxiliary winding drum 3 is used.
Since the spline S engraved on the outer circumference of the winding drum shaft 12 is exposed between the casing and the casing side surface of the clutch portion 11, the sub-flange 4 of the auxiliary winding drum 3 and the casing of the clutch portion 11 are exposed. A bellows-like spline cover 13 may be provided between the side surface and the side surface.
【００１４】図５は、牽引ワイヤーＷに識別マークＭを
付した例を示すもので、ウィンチの非常時使用におい
て、牽引ワイヤーＷの先端のフック１５を立木等に係合
させた後、牽引ワイヤーＷを非常用の前記副巻胴３に巻
き付けて大きな牽引力を得ることのできる限界を示すた
めに前記牽引ワイヤーＷにペインティングや識別部材の
取付け等によって識別マークＭを付すことができる。ま
た、牽引ワイヤーＷの長さから巻胴に巻き付けられる巻
付け半径を割り出すことによって、所定トルクに対応し
た牽引力を表示した種類の異なる識別マークを牽引ワイ
ヤーＷに所定間隔で表示することも可能である。FIG. 5 shows an example in which the identification mark M is attached to the tow wire W. In an emergency use of the winch, after the hook 15 at the tip of the tow wire W is engaged with a standing tree or the like, the tow wire is then drawn. An identification mark M can be attached to the pulling wire W by painting or attaching an identification member in order to indicate a limit at which a large pulling force can be obtained by winding W on the emergency auxiliary winding cylinder 3. Further, by determining the winding radius to be wound around the winding drum from the length of the pulling wire W, it is possible to display different identification marks of different types indicating the pulling force corresponding to the predetermined torque on the pulling wire W at predetermined intervals. is there.
【００１５】以上各実施例を説明してきたが、本発明の
趣旨の範囲内で、前記モーター等の駆動源、減速部およ
びクラッチ部の種類およびその構成、それらの間の関連
構成、主巻胴、副巻胴、案内部、主フランジ、副フラン
ジ、および案内溝の形状、それらの間の関連構成、補強
層およびスプラインカバーの形状および材質等について
は適宜採用され得ることは言うまでもないことである。Although the respective embodiments have been described above, within the scope of the gist of the present invention, the types of drive sources such as the motor and the like, the speed reducing portion and the clutch portion and their configurations, the related configurations between them, and the main winding drum. It goes without saying that the shapes of the auxiliary winding drum, the guide portion, the main flange, the auxiliary flange, and the guide groove, the related configuration therebetween, the shapes and materials of the reinforcing layer and the spline cover, and the like can be appropriately adopted. .
【００１６】[0016]
【発明の効果】以上詳細に説明したように、本発明で
は、駆動源からの駆動力が伝達される巻胴の回転によっ
て牽引ワイヤーを巻き取るウィンチにおいて、前記巻胴
を、主巻胴と該主巻胴より小径の非常用副巻胴とに軸方
向で分割して配置したことによって、牽引ワイヤーが主
巻胴に多層に巻き付けられている使用始めの状態であっ
ても、前記牽引ワイヤーの始端を僅か引き出して、軸方
向に分割されて前記主巻胴に隣接する半径の小さい非常
用の副巻胴に巻き付けて使用することで、大きな牽引力
による牽引作業が可能になるものである。また、前記主
巻胴に巻き付けられた牽引ワイヤーの始端を副巻胴に巻
き付ける際には、前記主巻胴と副巻胴と間の分割部に配
置された主フランジに設けられた略半径方向の牽引ワイ
ヤー案内溝に前記牽引ワイヤーを通すことで、その移行
がきわめて円滑になるものである。さらに、主巻胴と該
主巻胴より小径の非常用の副巻胴とに軸方向で分割する
ために、前記副巻胴が主巻胴内にスプライン嵌合して収
納され、非常時に前記副巻胴を主巻胴から抜き出して使
用するように構成するならば、通常は副巻胴の巻胴面を
露呈させずに保護することができる。そして、牽引ワイ
ヤーＷに少なくとも非常時に使用できる長さを表示する
識別マークを付すならば、徒に牽引ワイヤーを引き出す
ことが防止できる。このように、本発明によれば、従来
のウィンチにおける諸課題を解決して、牽引ワイヤーが
多層に巻き付けられている使用始めの状態であっても高
い牽引力が得られる構造の簡単な牽引力可変ウィンチが
提供できることとなった。As described above in detail, in the present invention, in the winch for winding the pulling wire by the rotation of the winding drum to which the driving force from the driving source is transmitted, the winding drum is provided with the main winding drum and the main winding drum. Even if the traction wire is wound in multiple layers around the main winding cylinder in the beginning of use by arranging the auxiliary auxiliary winding cylinder having a diameter smaller than that of the main winding cylinder in the axial direction, By pulling out the start end a little and winding it around the auxiliary auxiliary winding cylinder of small radius adjacent to the main winding cylinder that is divided in the axial direction, it is possible to perform a pulling operation with a large pulling force. Further, when winding the starting end of the pulling wire wound around the main winding cylinder around the sub winding cylinder, a substantially radial direction provided on a main flange arranged in a divided portion between the main winding cylinder and the sub winding cylinder. By passing the pulling wire through the pulling wire guide groove, the transition becomes extremely smooth. Further, in order to divide the main winding cylinder and the emergency auxiliary winding cylinder having a smaller diameter than the main winding cylinder in the axial direction, the auxiliary winding cylinder is accommodated by spline fitting in the main winding cylinder, If the sub-winding cylinder is configured to be used by being extracted from the main winding cylinder, the winding drum surface of the sub-winding cylinder can be normally protected without being exposed. If the pulling wire W is provided with an identification mark indicating at least the length that can be used in an emergency, it is possible to prevent the pulling wire W from being pulled out. As described above, according to the present invention, the various problems in the conventional winch are solved, and the simple pulling force variable winch having a structure capable of obtaining a high pulling force even in the state of the beginning of use in which the pulling wire is wound in multiple layers. Can be provided.
【図１】本発明の牽引力可変ウィンチの第１実施例を示
す図である。FIG. 1 is a diagram showing a first embodiment of a variable traction force winch of the present invention.
【図２】本発明の牽引力可変ウィンチによる牽引ワイヤ
ーの牽引力を説明する図である。FIG. 2 is a diagram for explaining the pulling force of the pulling wire by the pulling force variable winch of the present invention.
【図３】本発明の牽引力可変ウィンチの第２実施例を示
す図であり、副巻胴が収納された状態を示す図である。FIG. 3 is a view showing a second embodiment of the variable traction force winch of the present invention, and is a view showing a state in which the auxiliary winding drum is stored.
【図４】本発明の牽引力可変ウィンチの第２実施例を示
す図であり、副巻胴の使用状態を示す図である。FIG. 4 is a view showing a second embodiment of the variable traction force winch of the present invention, and is a view showing a usage state of the auxiliary winding drum.
【図５】本発明の牽引力可変ウィンチに使用される牽引
ワイヤーの実施例を示す図である。FIG. 5 is a diagram showing an embodiment of a towing wire used in the variable towing force winch of the present invention.
【図６】従来のウィンチを示す図である。FIG. 6 is a view showing a conventional winch.
【図７】従来のウィンチによる牽引ワイヤーの牽引力を
説明する図である。FIG. 7 is a diagram illustrating the pulling force of a pulling wire by a conventional winch.
１ 主巻胴 ２ 主フランジ ３ 副巻胴 ３Ａ 補強層 ４ 副フランジ ５ 主フランジ案内溝 ６ 副フランジ案内溝 ７ 案内部 ８ モーター ９ 減速部 ９Ａ ピニオンギヤ ９Ｂ ピニオンキャリア １０ 主軸 １０Ａ 主軸サンギヤ １１ クラッチ部 １１Ａ インターナルスライドクラッチギヤ １１Ｂ ロック部 １１Ｃ 切替つまみ １１Ｄ スライドピン １２ 巻胴軸 １３ スプラインカバー １４ スナップリング １５ フック １６ 立木等 Ｗ 牽引ワイヤー Ｓ スプライン ＷＥ 非常時の牽引ワイヤー位置 Ｍ マーク Ｆ 牽引力 1 Main Winding Body 2 Main Flange 3 Sub Winding Body 3A Reinforcing Layer 4 Sub Flange 5 Main Flange Guide Groove 6 Sub Flange Guide Groove 7 Guide Part 8 Motor 9 Reduction Gear 9A Pinion Gear 9B Pinion Carrier 10 Main Spindle 10A Spindle Sun Gear 11 Clutch Part 11A Inter Null slide clutch gear 11B Lock part 11C Switching knob 11D Slide pin 12 Winding body shaft 13 Spline cover 14 Snap ring 15 Hook 16 Standing tree etc. W Traction wire S Spline WE Emergency traction wire position M mark F Traction force
Claims (4)
回転によって牽引ワイヤーを巻き取るウィンチにおい
て、前記巻胴を、主巻胴と該主巻胴より小径の非常用副
巻胴とに軸方向で分割し、該分割部に少なくとも主フラ
ンジが配置されていることを特徴とする牽引力可変ウィ
ンチ。1. A winch for winding a pulling wire by rotation of a winding cylinder to which a driving force from a driving source is transmitted, the winding cylinder being a main winding cylinder and an emergency auxiliary winding cylinder having a diameter smaller than that of the main winding cylinder. A traction force variable winch, characterized in that it is axially divided and at least a main flange is arranged in the divided portion.
ヤー案内溝が設けられていることを特徴とする請求項１
に記載の牽引力可変ウィンチ。2. The main flange is provided with a pulling wire guide groove in a substantially radial direction.
Variable winch described in.
して収納され、非常時に前記副巻胴を主巻胴から抜き出
して使用するように構成されていることを特徴とする請
求項１または２に記載の牽引力可変ウィンチ。3. The sub winding cylinder is housed in the main winding cylinder by spline fitting, and the sub winding cylinder is configured to be pulled out from the main winding cylinder for use in an emergency. Item 1. A traction variable winch according to item 1 or 2.
使用できる長さを表示する識別マークを付してあること
を特徴とする請求項１ないし３に記載の牽引力可変ウィ
ンチ。4. The pulling force variable winch according to claim 1, wherein the pulling wire is provided with an identification mark indicating at least a length that can be used in an emergency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8285094A JPH07285789A (en) | 1994-04-21 | 1994-04-21 | Variable traction force winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8285094A JPH07285789A (en) | 1994-04-21 | 1994-04-21 | Variable traction force winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07285789A true JPH07285789A (en) | 1995-10-31 |
Family
ID=13785855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8285094A Pending JPH07285789A (en) | 1994-04-21 | 1994-04-21 | Variable traction force winch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07285789A (en) |
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