JPH0829916B2 - Cable winding device for swivel part - Google Patents
Cable winding device for swivel partInfo
- Publication number
- JPH0829916B2 JPH0829916B2 JP1968787A JP1968787A JPH0829916B2 JP H0829916 B2 JPH0829916 B2 JP H0829916B2 JP 1968787 A JP1968787 A JP 1968787A JP 1968787 A JP1968787 A JP 1968787A JP H0829916 B2 JPH0829916 B2 JP H0829916B2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- rope
- swivel
- winding
- turning
- 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 - Lifetime
Links
Landscapes
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、例えば旋回式吊ビームにおける固定部から
旋回部への給電等で使用するケーブル巻取り装置に関す
る。Description: TECHNICAL FIELD The present invention relates to a cable winding device used for supplying power from a fixed part to a turning part in a turning suspension beam, for example.
［従来の技術とその問題点］ 従来、旋回式吊ビームでは、固定部と旋回部との間に
ケーブルを渡す場合、旋回部の旋回動に追従するように
ケーブルを弛ませておき、その弛み部分をハンガーで支
持するか、或はスリップリング装置等を使用して固定部
側ケーブルと旋回部側ケーブルを接続していた。[Prior art and its problems] In the conventional swing-type hanging beam, when a cable is passed between the fixed part and the swivel part, the cable is loosened so as to follow the swivel motion of the swivel part, and the slack Either the portion is supported by a hanger, or the cable on the fixed portion side and the cable on the rotating portion side are connected by using a slip ring device or the like.
しかしながら、前者の方法では、旋回角度が小さい場
合にはケーブルの弛みが小さく問題は余りないが、旋回
角度が大きくなると、ケーブルの捩れ、旋回部との擦れ
等が生じ、ケーブルの断線等が発生する。また、後者の
方法では、スリップリング装置を旋回中心部に取付ける
ことになり、構造が複雑でコスト高になると共に、大型
の旋回機構を使用する必要がある等の不都合があった。However, in the former method, when the turning angle is small, the slack of the cable is small and there is no problem, but when the turning angle is large, the cable is twisted, the rubbing with the turning part occurs, and the cable is broken. To do. Further, in the latter method, the slip ring device is attached to the center of turning, and the structure is complicated and the cost is high, and it is necessary to use a large turning mechanism.
そこで、かかる従来の不都合を解消する一つの方策と
して特開昭58-125576号公報に示されたクレーン等の移
動体のケーブル巻取り装置を応用し、その回転ドラムを
旋回部側ケーブル巻胴とし、かつ、固定ドラムを固定部
側ケーブル巻胴として、旋回部に対して一定の速度比で
旋回中心のまわりを追従回転するケーブル用プーリを介
してケーブルを前記２つのケーブル巻胴間で移動させる
ことが考えられるが、この場合、ケーブル用プーリを旋
回軸上に支持するアームを一定の速度比で回転させるた
めに渦電流クラッチ等の伝動機構を介してアームの一端
を旋回軸に取付ける必要があり、構成が複雑となり、か
つ、コスト高となるという不都合を免れない。Therefore, as one measure to solve the conventional inconvenience, a cable winding device for a moving body such as a crane disclosed in Japanese Patent Laid-Open No. 58-125576 is applied, and its rotating drum is used as a cable winding body on the swivel side. And, the fixed drum is used as a fixed portion side cable winding drum, and the cable is moved between the two cable winding drums via a cable pulley that rotates around the turning center at a constant speed ratio with respect to the turning portion. In this case, in order to rotate the arm that supports the cable pulley on the swivel shaft at a constant speed ratio, it is necessary to attach one end of the arm to the swivel shaft via a transmission mechanism such as an eddy current clutch. However, the structure is complicated and the cost is high.
［発明の目的］ 本発明は、上記公報記載のケーブル巻取り装置の不都
合をも確実かつ簡単に解消することを目的とする。[Object of the Invention] It is an object of the present invention to reliably and easily eliminate the disadvantages of the cable winding device described in the above publication.
［問題点を解決するための手段］ 本発明は係わる旋回部に対するケーブル巻取り装置
は、固定部と、該固定部に旋回軸を介して連結された旋
回部に、夫々同一外径のケーブル巻胴を一体的にかつ旋
回軸と同心に設け、固定部側のケーブル巻胴と一体的に
かつ同心に外径がケーブル巻胴の1/2であるロープ巻胴
を設けると共に、前記固定部と旋回部との間に、旋回軸
に一端をボスを介して回転可能にアームを設け、該アー
ムの先端にケーブル用プーリを取付け、前記ボスにケー
ブル巻胴と同一外径のロープ巻胴を一体的に設け、前記
旋回部にロープ用プーリを支持し、前記ケーブル用プー
リに掛けたケーブルの両端を、固定部と旋回部に設けた
ケーブル巻胴に互に同じ方向で巻付けると共に、ロープ
用プーリに掛けたロープの一端を、固定部に設けたロー
プ巻胴に前記ケーブルと反対方向に巻付け、該ロープの
他端をボスに設けたロープ巻胴に前記ケーブルと同じ方
向に巻付けたことを特徴とするものである。[Means for Solving the Problems] A cable winding device for a swivel part according to the present invention is a cable winding device having the same outer diameter for a fixed part and a swivel part connected to the fixed part via a swivel shaft. The body is provided integrally and concentrically with the swivel axis, and a rope winding body having an outer diameter of 1/2 of that of the cable winding body is provided integrally and concentrically with the cable winding body on the side of the fixed portion, and the fixed portion An arm is provided between the swivel part and the swivel shaft so that one end of the swivel shaft is rotatable via a boss, and a cable pulley is attached to the tip of the arm, and a rope winding drum having the same outer diameter as the cable winding drum is integrated into the boss. The rope pulley is supported on the swivel part, and both ends of the cable hung on the cable pulley are wound around the cable winding cylinders provided on the fixed part and the swivel part in the same direction. Place one end of the rope hung on the pulley on the fixed part. It is characterized in that it is wound around a rope winding cylinder in the opposite direction to the cable, and the other end of the rope is wound around a rope winding cylinder provided on a boss in the same direction as the cable.
［実施例］ 以下、本発明の一実施例を図面にて説明する。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.
図中１は固定部で、該固定部１には旋回軸２が軸受3,
4により回転可能に軸支されている。In the figure, reference numeral 1 denotes a fixed portion, on which the swivel shaft 2 has a bearing 3,
It is rotatably supported by 4.
該旋回軸２は、固定部１に設けた旋回モータ５により
減速機６を介して正逆回転するようになっており、該旋
回軸２の端部には吊ビーム或は移動体に設けたケーブル
巻リール等の旋回部７が取付けられている。The swivel shaft 2 is configured to rotate forward and reverse through a speed reducer 6 by a swivel motor 5 provided in the fixed portion 1. The end of the swivel shaft 2 is provided on a suspension beam or a moving body. A swivel unit 7 such as a cable winding reel is attached.
8Aはケーブル巻胴で、固定部１に一体的にかつ旋回軸
２と同心に設けられている。9Aはロープ巻胴で、ケーブ
ル巻胴8Aと一体的にかつ旋回軸２と同心に設けられてお
り、ケーブル巻胴8Aの外径D1に対して1/2の外径D2（＝D
1/2）を有している。8A is a cable winding cylinder, which is provided integrally with the fixed portion 1 and concentrically with the swivel shaft 2. 9A is a rope winding body, which is provided integrally with the cable winding body 8A and concentrically with the swivel shaft 2, and has an outer diameter D 2 (= D) that is 1/2 of the outer diameter D 1 of the cable winding body 8A.
And a 1/2).
8Bはケーブル巻胴で、旋回部７に一体的にかつ旋回軸
２と同心に設けられており、前記ケーブル巻胴8Aと同一
の外径D1を有している。10はアームで、固定部１と旋回
部７との間に配置されており該アーム10の一端をボス11
に固定されており、該ボス11は軸受12を介して回転可能
にかつスリーブ13を介して軸方向に移動しないようにし
て旋回軸２に支持されている。The cable winding cylinder 8B is provided integrally with the swivel unit 7 and concentric with the swivel shaft 2, and has the same outer diameter D 1 as the cable winding cylinder 8A. Reference numeral 10 denotes an arm, which is arranged between the fixed portion 1 and the revolving portion 7, and one end of the arm 10 is provided with a boss 11
The boss 11 is supported by the swivel shaft 2 so as to be rotatable via a bearing 12 and not to move in the axial direction via a sleeve 13.
9Bはロープ巻胴で、前記アーム10を固定したボス11に
一体的にかつ旋回軸２と同心に設けられており、前記ケ
ーブル巻胴8A,8Bと同一の外径D1を有している。Reference numeral 9B denotes a rope winding cylinder, which is provided integrally with the boss 11 to which the arm 10 is fixed and concentric with the swivel shaft 2, and has the same outer diameter D 1 as the cable winding cylinders 8A and 8B. .
14はケーブル用プーリで、前記アーム10の他端に回転
可能に取付けられている。A cable pulley 14 is rotatably attached to the other end of the arm 10.
15はロープ用プーリで、前記旋回部７に旋回軸２から
離れた位置（実施例では旋回軸２を挟んでケーブル用プ
ーリ14の反対側）にブラケットを介して回転可能に支持
されている。Reference numeral 15 denotes a rope pulley, which is rotatably supported by the swivel unit 7 at a position separated from the swivel shaft 2 (opposite to the cable pulley 14 with the swivel shaft 2 in between).
16はケーブルで、その両端は固定部１に設けたケーブ
ル巻胴8Aと旋回部７に設けたケーブル巻胴8Bに夫々互に
同じ巻付方向で巻付けられて元付けされ、中間部はアー
ム10の先端に設けたケーブル用プーリ14に巻き掛けられ
ている。17はワイヤロープで、一端は固定部１に設けた
ロープ巻胴9Aに巻付方向を前記ケーブル16と反対にして
巻付けられ、他端は前記ボス11に固定したロープ巻胴9B
に巻付方向を前記ロープ巻胴9Aと反対、即ち、前記ケー
ブル16と同じ方向に巻付けられ、中間部は旋回部７に設
けたロープ用プーリ15に巻き掛けられている。Reference numeral 16 is a cable, both ends of which are wound around the cable winding drum 8A provided on the fixed portion 1 and the cable winding drum 8B provided on the swivel portion 7 in the same winding direction, and the middle portion is an arm. It is wound around a cable pulley 14 provided at the tip of 10. Reference numeral 17 is a wire rope, one end of which is wound around a rope winding body 9A provided in the fixed portion 1 with the winding direction opposite to that of the cable 16 and the other end of which is fixed to the boss 11.
The winding direction is opposite to that of the rope winding cylinder 9A, that is, the winding direction is the same as that of the cable 16, and the intermediate portion is wound around the rope pulley 15 provided in the turning portion 7.
［作用］ 旋回部７を旋回軸２を中心として右旋回（時計回り方
向）させると、第2,3図に示すように旋回部７側のケー
ブル巻胴8Bにケーブル16が巻取られ、ケーブル用プーリ
14をケーブル巻胴8A,8Bの巻付方向に引張る力が生じる
から、ケーブル用プーリ14は、アーム10と直角なその分
力によって旋回部７の旋回方向と同じ方向に該旋回部７
の旋回速度の1/2の速度で旋回軸２を中心として旋回さ
れる。[Operation] When the swivel unit 7 is swiveled to the right (clockwise direction) about the swivel axis 2, the cable 16 is wound around the cable winding drum 8B on the swivel unit 7 side as shown in FIGS. Pulley for cable
Since a force pulling 14 in the winding direction of the cable winding cylinders 8A, 8B is generated, the cable pulley 14 is moved in the same direction as the turning direction of the turning unit 7 by the component force perpendicular to the arm 10.
It is swung about the swivel axis 2 at a speed half of the swiveling speed of.
このため、ケーブル巻胴8A,8Bと同じ外径D1を有する
ロープ巻胴9Bも旋回部７の旋回方向と同じ方向に旋回速
度の1/2の速度で回転する。一方、ロープ用プーリ15
は、旋回部７とともに旋回軸２を中心として同一速度で
同一方向に旋回するから、前記ロープ巻胴9Bからワイヤ
ロープ17が巻戻されると共に、該ロープ巻胴9Bの1/2の
外径D2を有する固定部１側のロープ巻胴9Aにワイヤロー
プ17が巻戻し量と同一量巻取られる。このため、ケーブ
ル張力とワイヤロープ張力がつりあうようにワイヤーロ
ープ17、ロープ巻胴9B、アーム10を介してケーブル用プ
ーリ14とケーブル巻胴8A,8Bのケーブル巻付方向側と反
対側に引張る力が生じるから、ケーブル用プーリ14の前
記旋回は安定したものとなる。Therefore, the rope winding cylinder 9B having the same outer diameter D 1 as the cable winding cylinders 8A and 8B also rotates in the same direction as the turning direction of the turning portion 7 at a speed half the turning speed. Meanwhile, the rope pulley 15
Rotates with the revolving unit 7 around the revolving axis 2 at the same speed in the same direction, so that the wire rope 17 is unwound from the rope winding body 9B and the outer diameter D of the rope winding body 9B is 1/2. The wire rope 17 is wound on the rope winding drum 9A on the side of the fixed portion 1 having 2 in the same amount as the unwinding amount. Therefore, the force to pull the cable pulley 14 and the cable winding drums 8A and 8B through the wire rope 17, the rope winding drum 9B, and the arm 10 to the opposite side from the cable winding direction side so that the cable tension and the wire rope tension are balanced. Therefore, the swiveling of the cable pulley 14 becomes stable.
また、逆に旋回部７を左旋回（反時計回り方向）させ
ると、ロープ用プーリ15が旋回部７とともに旋回軸２を
中心として同速度で同一方向に旋回し、固定部１側のロ
ープ巻胴9Aからワイヤーロープ17が巻戻されると共に、
該ロープ巻胴9Aの２倍の外径D2を有するロープ巻胴9Bに
ワイヤーロープ17が巻戻し量と同一量だけ巻取られ、こ
のロープ巻胴9Bが旋回部７の旋回方向と同じ方向に旋回
速度の1/2の速度で回転するから、アーム10を介し旋回
軸２を中心として、ケーブル用プーリ14も、旋回部７の
旋回方向と同じ方向（ケーブル巻胴8A,8Bのケーブル巻
付方向と反対方向）に旋回速度の1/2の速度で旋回す
る。On the contrary, when the turning portion 7 is turned left (counterclockwise direction), the rope pulley 15 turns together with the turning portion 7 around the turning shaft 2 at the same speed in the same direction, and the rope winding on the fixed portion 1 side. While the wire rope 17 is unwound from the body 9A,
Wire rope 17 to the rope winding drum 9B having an outer diameter D 2 2 times of the rope winding drum 9A is wound by weight rewind same amount in the same direction the rope winding drum 9B is a turning direction of the turning part 7 Since it rotates at 1/2 speed of the swiveling speed, the cable pulley 14 is rotated about the swivel axis 2 via the arm 10 in the same direction as the swivel direction of the swivel unit 7 (cable winding of the cable winding drums 8A and 8B). Turn in the direction opposite to the attaching direction) at a speed half the turning speed.
従って、ケーブル用プーリ14は、旋回部７の旋回方向
と同じ方向に旋回速度の1/2の速度で確実に追従旋回す
るから、ワイヤーロープ張力とつりあう張力下でケーブ
ル16をケーブル用プーリ14を介して固定部１側ケーブル
巻胴8Aと旋回部７側ケーブル巻胴8Bとの間で移動させ、
該ケーブル巻胴8A,8Bの一方から巻戻し、他方に巻取ら
せることができる。Therefore, the cable pulley 14 surely follows and turns in the same direction as the turning direction of the turning portion 7 at a speed of 1/2 of the turning speed, so that the cable 16 is placed under the tension balanced with the wire rope tension. Through the fixed portion 1 side cable winding cylinder 8A and the swivel portion 7 side cable winding cylinder 8B,
It is possible to rewind from one of the cable winding cylinders 8A and 8B and wind it to the other.
［発明の効果］ 以上の通り本発明は、ケーブル用プーリを旋回部の旋
回方向と同じ方向に1/2の旋回速度で旋回軸を中心とし
て旋回させるのにロープ巻掛機構の付設だけで足りるか
ら、構成が簡単となり、メンテナンス上及び設備コスト
上有利であると共に、ケーブルの捩れ等による不都合を
確実に解消できる。[Advantages of the Invention] As described above, according to the present invention, it is only necessary to attach the rope winding mechanism to rotate the cable pulley in the same direction as the turning direction of the turning portion at a turning speed of 1/2 around the turning axis. As a result, the structure is simplified, which is advantageous in terms of maintenance and equipment costs, and inconveniences due to twisting of the cable can be reliably eliminated.
第１図は本発明の一実施例を示す概略的な正断面図、第
２図はケーブル及びワイヤロープの掛け方を示す概要
図、第３図は作用説明図である。 １……固定部、２……旋回軸 3,4……軸受、５……旋回モータ ６……減速機、７……旋回部 8A,8B……ケーブル巻胴 9A,9B……ロープ巻胴 10……アーム、11……ボス 12……軸受 14……ケーブル用プーリ 15……ロープ用プーリ 16……ケーブル 17……ワイヤーロープFIG. 1 is a schematic front sectional view showing an embodiment of the present invention, FIG. 2 is a schematic view showing how to hang a cable and a wire rope, and FIG. 1 …… Fixed part, 2 …… Swivel axis 3,4 …… Bearing, 5 …… Swing motor 6 …… Reducer, 7 …… Swivel part 8A, 8B …… Cable winding cylinder 9A, 9B …… Rope winding cylinder 10 …… arm, 11 …… boss 12 …… bearing 14 …… cable pulley 15 …… rope pulley 16 …… cable 17 …… wire rope
Claims (1)
可能に連結された旋回部に、夫々同一外径のケーブル巻
胴を一体的にかつ旋回軸と同心に設け、固定部側のケー
ブル巻胴と一体的にかつ同心に外径がケーブル巻胴の1/
2であるロープ巻胴を設けると共に、前記固定部と旋回
部の間に、旋回軸に一端をボスを介して回転可能にアー
ムを設け、該アームの先端にケーブル用プーリを取付
け、前記ボスにケーブル巻胴と同一外径のロープ巻胴を
一体的に設け、前記旋回部にロープ用プーリを支持し、
前記ケーブル用プーリに掛けたケーブルの両端を、固定
部と旋回部に設けたケーブル巻胴に互に同じ方向で巻付
けると共に、ロープ用プーリに掛けたロープの一端を、
固定部に設けたロープ巻胴に前記ケーブルと反対方向に
巻付け、該ロープの他端をボスに設けたロープ巻胴に前
記ケーブルと同じ方向に巻付けたことを特徴とする旋回
部に対するケーブル巻取り装置。1. A fixed part and a swivel part rotatably connected to the fixed part via a swivel shaft are provided with cable winding cylinders each having the same outer diameter integrally and concentrically with the swivel shaft. The outer diameter is 1/1 of that of the cable winding cylinder integrally and concentrically with the cable winding cylinder on the side
In addition to providing the rope winding body which is 2, an arm is provided between the fixed part and the turning part so that one end of the turning shaft can be rotated via a boss, and a cable pulley is attached to the tip of the arm, and the arm is attached to the boss. A rope winding cylinder having the same outer diameter as the cable winding cylinder is integrally provided, and a rope pulley is supported on the swivel portion.
Both ends of the cable hung on the cable pulley are wound around the cable winding cylinders provided in the fixed part and the turning part in the same direction, and one end of the rope hung on the rope pulley is
A cable for a swivel part, characterized in that it is wound around a rope winding drum provided in a fixed portion in a direction opposite to the cable, and the other end of the rope is wound around a rope winding drum provided in a boss in the same direction as the cable. Take-up device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1968787A JPH0829916B2 (en) | 1987-01-30 | 1987-01-30 | Cable winding device for swivel part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1968787A JPH0829916B2 (en) | 1987-01-30 | 1987-01-30 | Cable winding device for swivel part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63189369A JPS63189369A (en) | 1988-08-04 |
| JPH0829916B2 true JPH0829916B2 (en) | 1996-03-27 |
Family
ID=12006150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1968787A Expired - Lifetime JPH0829916B2 (en) | 1987-01-30 | 1987-01-30 | Cable winding device for swivel part |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0829916B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546207B (en) * | 2016-03-03 | 2019-05-24 | 徐工集团工程机械有限公司 | The measurement method and system of cable winding radius |
-
1987
- 1987-01-30 JP JP1968787A patent/JPH0829916B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63189369A (en) | 1988-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |