JP2567142B2 - Cable caster - Google Patents

Cable caster

Info

Publication number
JP2567142B2
JP2567142B2 JP2243893A JP24389390A JP2567142B2 JP 2567142 B2 JP2567142 B2 JP 2567142B2 JP 2243893 A JP2243893 A JP 2243893A JP 24389390 A JP24389390 A JP 24389390A JP 2567142 B2 JP2567142 B2 JP 2567142B2
Authority
JP
Japan
Prior art keywords
caster
cable
bodies
caster body
hollow 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.)
Expired - Fee Related
Application number
JP2243893A
Other languages
Japanese (ja)
Other versions
JPH04123903A (en
Inventor
富貴男 森
晃 岡田
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.)
Toshiba Corp
Kansai Electric Power Co Inc
Original Assignee
Toshiba Corp
Kansai Denryoku KK
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 Toshiba Corp, Kansai Denryoku KK filed Critical Toshiba Corp
Priority to JP2243893A priority Critical patent/JP2567142B2/en
Publication of JPH04123903A publication Critical patent/JPH04123903A/en
Application granted granted Critical
Publication of JP2567142B2 publication Critical patent/JP2567142B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】 [発明の目的] (産業上の利用分野) 本発明はケーブル、ホース、ロープ等を牽引する際に
使用されるケーブル用キャスタに関する。
DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a caster for a cable used when pulling a cable, a hose, a rope or the like.

(従来の技術) 従来、長尺のケーブル等を牽引する場合、第7図およ
び第8図に示すように中央部にケーブル保持穴を有する
台車形キャスタ21をケーブル長さに応じて一定間隔毎に
設置し、ケーブル22を台車形キャスタ21のケーブル保持
穴に保持させた状態で牽引することにより、ケーブルの
牽引抵抗力の低減とケーブルの保護を行なうようように
していた。
(Prior Art) Conventionally, when a long cable or the like is towed, as shown in FIGS. 7 and 8, a trolley-shaped caster 21 having a cable holding hole at the center is provided at regular intervals according to the cable length. The cable 22 is installed in the vehicle, and the cable 22 is pulled in a state of being held in the cable holding hole of the dolly-type caster 21 to reduce the pulling resistance force of the cable and protect the cable.

しかし、このような台車形キャスタによるケーブルの
牽引方法では、第9図に示すような曲管23の内面を走行
させる場合、ケーブル22の張力が横方向に作用するので
台車形キャスタ21が傾斜して転倒する可能性があった。
However, in the method of pulling the cable by the trolley type caster as described above, when traveling on the inner surface of the curved pipe 23 as shown in FIG. 9, since the tension of the cable 22 acts laterally, the trolley type caster 21 is inclined. There was a possibility of falling.

(発明が解決しようとする課題) そこで、台車形キャスタ21が曲管23内を安定した状態
で走行できるようにするには、キャスタの車輪の取付ピ
ッチを大きくする必要があるが、このようにするとキャ
スタが大形化すると共に重量の増加を招くなどの問題が
あった。
(Problems to be Solved by the Invention) Therefore, in order to allow the dolly caster 21 to travel in the curved pipe 23 in a stable state, it is necessary to increase the mounting pitch of the wheels of the caster. Then, there are problems that the caster becomes large and the weight increases.

本発明は上記の問題点に鑑みてなされたもので、その
目的は曲管内面においても安定して走行できる小形、且
つ軽量のケーブル用キャスタを提供するにある。
The present invention has been made in view of the above problems, and an object of the present invention is to provide a compact and lightweight cable caster that can stably run even on the inner surface of a curved pipe.

[発明の構成] (課題を解決するための手段) 本発明は上記の目的を達成するため、中央部にケーブ
ル等を保持するための中空軸を有し、この中空軸より半
径方向に伸びる複数の支持腕を形成した構体部を2分割
してその分割部の一端をヒンジ構造により開閉可能に連
結し、且つ同一円の円弧の一部を転動面とする鼓形のロ
ーラを円周方向に少なくとも3等配に配置されるように
前記構体部の各支持腕の対向する端部間に転動可能に支
持させてキャスタ本体を構成し、このキャスタ本体を少
なくとも2個1組としてその一方のキャスタ本体と他方
のキャスタ本体のローラとが円周方向に等間隔に交互に
配置されるように両キャスタ本体の各ローラ支持軸の位
相を相対的に所定角度ずらせ、且つ前記中空軸が同一線
上になるように並設し、これら両キャスタ本体を連結し
たものである。
[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention has a hollow shaft for holding a cable or the like in a central portion, and a plurality of members extending in the radial direction from the hollow shaft. The structure part forming the support arm is divided into two, one end of the divided part is openably and closably connected by a hinge structure, and a drum-shaped roller having a rolling surface of a part of an arc of the same circle is formed in the circumferential direction. The caster main body is rotatably supported between the opposing ends of the support arms of the structure so that the caster main bodies are arranged in at least three equal parts, and at least one set of the caster main bodies is used as one set. Of the caster body and the rollers of the other caster body are alternately arranged at equal intervals in the circumferential direction, and the phases of the roller support shafts of both caster bodies are relatively shifted by a predetermined angle, and the hollow shafts are the same. Place them side by side so that they are on the line Is the concatenation of the Luo both caster body.

(作 用) このような構成のケーブル用キャスタにあっては、円
周方向に少なくとも3等配に配置されるように構体部の
各支持腕に転動可能に支持されたローラ支持軸の位相を
相対的に所定角度ずらせて並設された1組のキャスタ本
体が枢支点を中心に起倒可能に連結されているので、走
行面の位置が変化してもいずれか一方のキャスタ本体の
ローラが走行面に接触しながら転動することになり、曲
管内面などを常に安定した状態で走行することが可能で
ある。
(Operation) In the cable caster having such a configuration, the phase of the roller support shaft rotatably supported by each support arm of the structure is arranged so as to be arranged at least in three equal parts in the circumferential direction. Since a pair of caster bodies arranged side by side relative to each other by a predetermined angle are connected so as to be able to move up and down around a pivot point, even if the position of the traveling surface changes, the roller of either caster body is changed. Will roll while making contact with the running surface, and it is possible to always run in a stable state on the inner surface of the curved pipe and the like.

(実施例) 以下本発明の一実施例を図面を参照して説明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.

第1図乃至第3図は本発明によるケーブル用キャスタ
の構成例をそれぞれ示すものである。第1図乃至第3図
において、1は中央部にケーブル2を保持するための中
空軸1aを有し、この中空軸1aより半径方向に伸びる複数
(本実施例では4本)のY形状の支持腕1bが形成された
構体部で、この構体部1の各支持腕1bのそれぞれ対向す
る端部間に、同一円の円弧の一部を転動面とする鼓形の
ローラ3が円周上に4等配に配置されるように支持軸4
により回転自在に支承される。この構体部1は中空軸1a
の中心を通る線上で対称的に2分割され、各々の分割面
を蝶番5により開閉可能に連結してキャスタ本体6を構
成している。この場合、ケーブル2の装着時には2分割
された構体部1の分割面がネジ7により一体的に固定さ
れる。
1 to 3 show examples of the structure of the caster for cables according to the present invention. 1 to 3, reference numeral 1 denotes a hollow shaft 1a for holding a cable 2 in a central portion thereof, and a plurality (four in this embodiment) of Y-shapes extending in the radial direction from the hollow shaft 1a. In the structure part having the support arms 1b formed, a drum-shaped roller 3 having a rolling surface of a part of an arc of the same circle is formed between the opposing ends of the support arms 1b of the structure part 1. Support shaft 4 so as to be arranged in 4 equal distributions on top
It is rotatably supported by. This structure 1 is a hollow shaft 1a
The caster body 6 is symmetrically divided into two parts on a line passing through the center of the caster body, and the respective divided surfaces are connected by a hinge 5 so as to be openable and closable. In this case, when the cable 2 is attached, the divided surface of the body part 1 divided into two is integrally fixed by the screw 7.

このように構成されたキャスタ本体6を1組用意し、
その一方のキャスタ本体6(A)の各ローラ支持軸4と
他方のキャスタ本体6(B)の各ローラ支持軸4が相対
的に45゜位相をずらせて中空軸1aが同一線上になるよう
に並設すると共に、これら両キャスタ本体6(A),6
(B)を互いにピン8を中心に起倒可能に連結したもの
である。
Prepare one set of caster body 6 configured in this way,
The roller support shafts 4 of the one caster body 6 (A) and the roller support shafts 4 of the other caster body 6 (B) are relatively out of phase with each other by 45 ° so that the hollow shaft 1a is on the same line. These caster bodies 6 (A) and 6 are installed side by side.
(B) is connected to each other so that the pin 8 can be raised and lowered.

次にこのような構成のケーブル用キャスタの作用を述
べる。
Next, the operation of the cable caster having such a configuration will be described.

まず、ケーブル2に装着する前にそれぞれのネジ7を
緩めてキャスタ本体6(A)およびキャスタ本体6
(B)を開いた状態にすると共に、ピン8を中心に互い
のキャスタ本体の軸心が概ね90゜になるように予め倒し
ておく。この状態で一方のキャスタ本体6(A)をケー
ブル2に装着し、ネジ7により固定する。次に他方のキ
ャスタ本体6(B)を元の位置に戻してケーブル2に装
着し、ネジ7により固定する。
First, before attaching to the cable 2, loosen the respective screws 7 and caster body 6 (A) and caster body 6
(B) is opened and tilted in advance so that the axes of the caster bodies are about 90 ° around the pin 8. In this state, one caster body 6 (A) is attached to the cable 2 and fixed by the screw 7. Next, the other caster body 6 (B) is returned to its original position, attached to the cable 2, and fixed with the screw 7.

このようにしてケーブル2に装着されるキャスタをケ
ーブル2の長さに応じて一定の間隔で複数個設置すれ
ば、ケーブル2を牽引する際に走行面に対してローラ3
が有効に作用する。つまり、キャスタ本体6(A)のロ
ーラ支持軸4とキャスタ本体6(B)のローラ支持軸4
とは相対的に45゜位相がずれた状態にあり、しかも両キ
ャスタ本体6(A)と6(B)とはピン8を中心に起倒
可能に連結されているので、走行面の位置が変化してい
ても、常にいずれかのキャスタ本体のローラ3が走行面
に接触しながら転動することになる。
In this way, if a plurality of casters mounted on the cable 2 are installed at a constant interval according to the length of the cable 2, the roller 3 with respect to the traveling surface is pulled when the cable 2 is pulled.
Works effectively. That is, the roller support shaft 4 of the caster body 6 (A) and the roller support shaft 4 of the caster body 6 (B)
The caster bodies 6 (A) and 6 (B) are connected to each other about the pin 8 so that they can be tilted up and down. Even if it changes, the roller 3 of one of the caster bodies always rolls while contacting the running surface.

従って、曲管内面等を走行する場合においても安定し
た走行が可能となる。また、キャスタ本体6(A),6
(B)をケーブル2に装着する際に、位相を合わせる必
要がなく、ケーブル2の捩じり癖等による影響がないた
め、装着作業が極めて容易となる利点がある。
Therefore, stable traveling is possible even when traveling on the inner surface of the curved pipe or the like. In addition, the caster body 6 (A), 6
When (B) is attached to the cable 2, there is no need to match the phases, and there is no influence due to the twisting tendency of the cable 2, so that there is an advantage that the attachment work becomes extremely easy.

第4図乃至第6図は本発明の他の実施例をそれぞれ示
すものである。
4 to 6 show other embodiments of the present invention.

本実施例では中空軸11aより2個のローラ3を支持す
る半径方向に伸びる支持腕11b−1とこれより中空部11a
の軸方向に適宜ずらせた位置より1個のローラ3を支持
する半径方向に伸びる支持腕11b−2を形成した構体部1
1とし、この構体部11の各支持腕の対向する端部間にロ
ーラ3を円周上を3等配になるように配置して支持軸4
に回転自在に支承させた1組のキャスタ本体16(A),1
6(B)を前述同様に連結する構成としたものである。
このような構成のキャスタとしても前述同様の作用効果
を得ることができる。
In this embodiment, a support arm 11b-1 extending in the radial direction for supporting the two rollers 3 from the hollow shaft 11a and a hollow portion 11a from this are provided.
Structure part 1 formed with a support arm 11b-2 extending in the radial direction for supporting one roller 3 from a position offset in the axial direction of
1, the rollers 3 are arranged between the opposing ends of the support arms of the structure portion 11 so that the rollers 3 are evenly arranged on the circumference.
A pair of caster bodies 16 (A), 1 rotatably supported by
6 (B) is connected in the same manner as described above.
Even with a caster having such a configuration, the same operational effects as described above can be obtained.

なお、上記した各実施例においては構体部の突合わせ
面の結合手段としてネジを用いたが、構体部の突合わせ
をワンタッチでクランプできるファスナを使用すれば更
に作業性を向上させることができる。
In each of the above-described embodiments, the screw is used as the connecting means for the abutting surface of the structure portion, but the workability can be further improved by using a fastener that can clamp the abutting surface of the structure portion with one touch.

[発明の効果] 以上述べたように本発明によれば、曲管内面部等のよ
うに走行面の変化に対しても安定した姿勢で走行するこ
とができので、ケーブルの牽引抵抗力の軽減およびケー
ブルの保護、あるいはケーブル用キャスタによる走行面
の損傷防止を図ることができる。また、構造的に従来の
台車形キャスタと比較して小形、且つ軽量化が可能で、
ケーブルへの着脱作業が容易に行なえ、作業効率が向上
するという利点が得られる。
[Advantages of the Invention] As described above, according to the present invention, it is possible to travel in a stable posture against changes in the traveling surface such as the inner surface of a curved pipe, etc., so that the traction resistance of the cable is reduced and It is possible to protect the cable or prevent the traveling surface from being damaged by the caster for the cable. In addition, it is structurally smaller and lighter than conventional trolley casters,
There is an advantage that the work of attaching and detaching to / from the cable can be easily performed and the work efficiency is improved.

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

第1図乃至第3図は本発明によるケーブル用キャスタの
一実施例をそれぞれ示し、第1図は一方のキャスタ本体
を示す側面図、第2図は他方のキャスタ本体を断面して
示す正面図、第3図は他方のキャスタ本体を示す側面
図、第4図乃至第6図は本発明の他の実施例をそれぞれ
示し、第4図は一方のキャスタ本体を示す側面図、第5
図は他方のキャスタ本体を断面して示す正面図、第6図
は他方のキャスタ本体を示す側面図、第7図は従来のケ
ーブル用キャスタを示す正面図、第8図は同じく側面
図、第9図は従来のケーブル用キャスタの曲管内面を走
行する状態を示す図である。 1,11……構体、1a,11a……中空軸、1b,11b−1,11b−2
……支持腕、2……ケーブル、3……ローラ、4……支
持軸、5……蝶番、6(A),6(B),16(A),16
(B)……キャスタ本体、7……ネジ、8……ピン。
1 to 3 respectively show one embodiment of a cable caster according to the present invention, FIG. 1 is a side view showing one caster body, and FIG. 2 is a front view showing the other caster body in section. FIG. 3 is a side view showing the other caster body, FIGS. 4 to 6 show other embodiments of the present invention, and FIG. 4 is a side view showing the one caster body.
FIG. 6 is a front view showing the other caster body in cross section, FIG. 6 is a side view showing the other caster body, FIG. 7 is a front view showing a conventional cable caster, and FIG. 8 is a side view showing the same. FIG. 9 is a diagram showing a state in which the caster for a conventional cable travels on the inner surface of the curved pipe. 1,11 ... Body, 1a, 11a ... Hollow shaft, 1b, 11b-1, 11b-2
…… Support arm, 2 ... Cable, 3 ... Roller, 4 ... Support shaft, 5 ... Hinge, 6 (A), 6 (B), 16 (A), 16
(B) ... Caster body, 7 ... screw, 8 ... pin.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】中央部にケーブル等を保持するための中空
軸を有し、この中空軸より半径方向に伸びる複数の支持
腕を形成した構体部を2分割してその分割部の一端をヒ
ンジ構造により開閉可能に連結し、且つ同一円の円弧の
一部を転動面とする鼓形のローラを円周方向に少なくと
も3等配に配置されるように前記構体部の各支持腕の対
向する端部間に転動可能に支持させてキャスタ本体を構
成し、 このキャスタ本体を少なくとも2個1組としてその一方
のキャスタ本体と他方のキャスタ本体のローラとが円周
方向に等間隔に交互に配置されるように両キャスタ本体
の各ローラ支持軸の位相を相対的に所定角度ずらせ、且
つ前記中空軸が同一線上になるように並設し、これら両
キャスタ本体を連結したことを特徴とするケーブル用キ
ャスタ。
Claim: What is claimed is: 1. A structure having a hollow shaft for holding a cable or the like in a central portion thereof and having a plurality of supporting arms extending in the radial direction from the hollow shaft is divided into two, and one end of the divided portion is hinged. Opposing each support arm of the body part so that hourglass-shaped rollers, which are openably and closably connected by a structure and have a part of an arc of the same circle as a rolling surface, are arranged in at least three equal parts in the circumferential direction. The caster body is configured to be rotatably supported between the end portions of the caster body, and at least two caster bodies are set as one set, and one caster body and the rollers of the other caster body are alternately arranged at equal intervals in the circumferential direction. The caster bodies are connected in parallel so that the phases of the roller support shafts of the caster bodies are relatively shifted by a predetermined angle so that the hollow shafts are on the same line. Casters for cables to be used.
JP2243893A 1990-09-17 1990-09-17 Cable caster Expired - Fee Related JP2567142B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2243893A JP2567142B2 (en) 1990-09-17 1990-09-17 Cable caster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2243893A JP2567142B2 (en) 1990-09-17 1990-09-17 Cable caster

Publications (2)

Publication Number Publication Date
JPH04123903A JPH04123903A (en) 1992-04-23
JP2567142B2 true JP2567142B2 (en) 1996-12-25

Family

ID=17110564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2243893A Expired - Fee Related JP2567142B2 (en) 1990-09-17 1990-09-17 Cable caster

Country Status (1)

Country Link
JP (1) JP2567142B2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH616415A5 (en) * 1975-07-11 1980-03-31 Hoffmann La Roche

Also Published As

Publication number Publication date
JPH04123903A (en) 1992-04-23

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