JPH07224908A - Wire rope terminal structure - Google Patents
Wire rope terminal structureInfo
- Publication number
- JPH07224908A JPH07224908A JP1618294A JP1618294A JPH07224908A JP H07224908 A JPH07224908 A JP H07224908A JP 1618294 A JP1618294 A JP 1618294A JP 1618294 A JP1618294 A JP 1618294A JP H07224908 A JPH07224908 A JP H07224908A
- Authority
- JP
- Japan
- Prior art keywords
- wire rope
- sleeve
- overlapped
- crimping
- folded
- 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
- 238000002788 crimping Methods 0.000 abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Ropes Or Cables (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、ワイヤロープ端末構
造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire rope terminal structure.
【０００２】[0002]
【従来の技術及び問題点】ワイヤロープの端部の端末構
造として、図２及び図３に示したように、ワイヤロープ
の端部を折り返し、その折り返し部にフック等を引っか
けて保持できるようにしたものが従来から知られてい
る。2. Description of the Related Art As a terminal structure of an end portion of a wire rope, as shown in FIGS. 2 and 3, the end portion of the wire rope is folded back, and a hook or the like can be hooked and held at the folded back portion. What has been done is conventionally known.
【０００３】図２に示す構造は、ワイヤロープ１の端部
２を折り返し、その折り返し端部２のストランドを分解
し、ワイヤロープ１と分解したストランドとを撚り合わ
せ、撚り合わせた部分にスリーブ３ａを嵌めて圧着し、
圧着後のスリーブ３ａの断面形状を円形としたものであ
る。In the structure shown in FIG. 2, the end portion 2 of the wire rope 1 is folded back, the strand of the folded back end portion 2 is disassembled, the wire rope 1 and the disassembled strand are twisted, and the sleeve 3a is formed at the twisted portion. Fit and crimp,
The cross-sectional shape of the sleeve 3a after pressure bonding is circular.
【０００４】図２の構造によると、スリーブ３ａの材質
としてアルミニウムや鉄等を用いた場合、所要の強度を
確保するには、圧着後のスリーブ３ａの外径はワイヤロ
ープ１の直径の約１．９倍とする必要がある。According to the structure shown in FIG. 2, when aluminum, iron or the like is used as the material of the sleeve 3a, the outer diameter of the sleeve 3a after crimping is about 1 of the diameter of the wire rope 1 in order to secure the required strength. It should be 9 times.
【０００５】図３に示す構造は、ワイヤロープ１の端部
２を折り返し、その折り返し端部２をワイヤーロープ１
に沿わせ、その重なり部にスリーブ３ｂを嵌めて圧着
し、圧着後のスリーブ３ｂの断面形状を円形としたもの
である。In the structure shown in FIG. 3, the end portion 2 of the wire rope 1 is folded back, and the folded back end portion 2 is connected to the wire rope 1.
The sleeve 3b is fitted and crimped at the overlapping portion along the line, and the cross-sectional shape of the sleeve 3b after crimping is made circular.
【０００６】図３の構造では、スリーブ３ｂの材質とし
てアルミニウムや鉄等を用いた場合、所要の強度を確保
するには、圧着後のスリーブ３ｂの外径をワイヤロープ
１の直径の約２倍とする必要がある。In the structure shown in FIG. 3, when aluminum, iron or the like is used as the material of the sleeve 3b, the outer diameter of the sleeve 3b after crimping is about twice the diameter of the wire rope 1 in order to secure the required strength. And need to.
【０００７】建設機械等においてワイヤロープを使用す
る際、ブーム内に数本のワイヤロープを並行して収納す
ることがあり、この場合、圧着後のスリーブのワイヤロ
ープの重なり合う方向と直交する方向の外形寸法は小さ
いほど、ブームの設計上有利である。When the wire rope is used in a construction machine or the like, several wire ropes may be stored in parallel in the boom. In this case, the wire rope of the sleeve after crimping may be in a direction orthogonal to the overlapping direction. The smaller the external dimensions, the more advantageous the boom is in terms of design.
【０００８】同一強度の場合、図２に示す構造の方が、
図３に示す構造よりもスリーブの外径を小さくできる
が、図２の構造に加工するには、ワイヤロープを分解し
撚り合わせる必要があるため、コストが高くなる。When the strength is the same, the structure shown in FIG.
Although the outer diameter of the sleeve can be made smaller than that of the structure shown in FIG. 3, the wire rope needs to be disassembled and twisted in order to process the structure of FIG.
【０００９】一方、図３に示す構造でスリーブの外径を
小さくした場合、スリーブの断面積が小さくなるだけで
なく、ワイヤロープの重なり合う方向のスリーブの有効
な厚さが小さくなるため、強度がかなり低下する。On the other hand, when the outer diameter of the sleeve is reduced in the structure shown in FIG. 3, not only the sectional area of the sleeve becomes smaller, but also the effective thickness of the sleeve in the overlapping direction of the wire ropes becomes smaller, so that the strength is increased. Considerably lower.
【００１０】[0010]
【発明が解決しようとする課題】そこで、この発明の課
題は、所要の強度を有し、圧着後のスリーブのワイヤロ
ープの重なり合う方向と直交する方向の外形寸法が小さ
く、低コストで加工できるワイヤロープ端末構造を提供
することである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a wire having a required strength, a small outer dimension in the direction orthogonal to the overlapping direction of the wire rope of the sleeve after crimping, and a low cost. The purpose is to provide a rope terminal structure.
【００１１】[0011]
【課題を解決するための手段】上記の課題を解決するた
め、この発明においては、ワイヤロープの端部を折り返
し、その折り返し端部をワイヤーロープに沿わせ、折り
返し端部とワイヤロープの重なる部分にスリーブを嵌め
て圧着したワイヤロープ端末構造において、圧着後のス
リーブの断面形状をワイヤロープの重なり合う方向に長
い長円形としたのである。In order to solve the above-mentioned problems, according to the present invention, an end portion of a wire rope is folded back, and the folded back end portion is arranged along the wire rope so that the folded back end portion and the wire rope overlap each other. In the wire rope terminal structure in which the sleeve is fitted and crimped, the cross-sectional shape of the crimped sleeve is an ellipse that is long in the overlapping direction of the wire ropes.
【００１２】[0012]
【作用】圧着後のスリーブの断面形状をワイヤロープの
重なり合う方向に長い長円形としたので、ワイヤロープ
の重なり合う方向のスリーブの有効な厚さが大きくな
り、強度を低下させずに、圧着後のスリーブのワイヤロ
ープの重なり合う方向と直交する方向の外形寸法を小さ
くすることができる。[Operation] Since the cross-sectional shape of the sleeve after crimping is an ellipse that is long in the direction in which the wire ropes overlap, the effective thickness of the sleeve in the direction in which the wire ropes overlap is increased, and the strength is not reduced and The outer dimension of the sleeve in the direction orthogonal to the overlapping direction of the wire ropes can be reduced.
【００１３】[0013]
【実施例】以下、この発明の実施例を添付図面に基づい
て説明する。図１に示すように、ワイヤロープ１の端部
２は折り返され、その折り返し端部２はワイヤーロープ
１に沿うように接している。折り返し端部２とワイヤロ
ープ１の重なる部分には、アルミニウムや鉄から成るス
リーブ３が嵌められている。このスリーブ３は金型によ
り圧着され、その圧着によりワイヤロープ１と折り返し
端部２とが固定されている。Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, the end portion 2 of the wire rope 1 is folded back, and the folded back end portion 2 is in contact with the wire rope 1 along the wire rope 1. A sleeve 3 made of aluminum or iron is fitted in a portion where the folded end 2 and the wire rope 1 overlap. The sleeve 3 is crimped by a die, and the wire rope 1 and the folded end portion 2 are fixed by the crimping.
【００１４】圧着後のスリーブ３の断面形状は、図１
（II）に示すように、ワイヤロープ１と折り返し端部２
との重なり合う方向に長い長円形となっている。この長
円形の大きさは、短軸方向がワイヤロープ１の直径の約
１．８倍とされ、長軸方向はワイヤロープ１の直径の約
２．３倍とされている。The sectional shape of the sleeve 3 after crimping is shown in FIG.
As shown in (II), the wire rope 1 and the folded end 2
It is an ellipse that is long in the direction in which it overlaps with. The size of the ellipse is about 1.8 times the diameter of the wire rope 1 in the minor axis direction and about 2.3 times the diameter of the wire rope 1 in the major axis direction.
【００１５】図１（II）に鎖線で示す円は、圧着後の断
面形状がワイヤロープ１の直径の約２倍の円となるスリ
ーブ３ｃの断面の外形を示す。圧着後のスリーブ３とス
リーブ３ｃの断面積はほぼ等しい。A circle indicated by a chain line in FIG. 1 (II) shows an outer shape of a cross section of the sleeve 3c whose cross-sectional shape after crimping is a circle which is about twice the diameter of the wire rope 1. The cross-sectional areas of the sleeve 3 and the sleeve 3c after pressure bonding are almost equal.
【００１６】図示のように、圧着後のスリーブ３のワイ
ヤロープの重なり合う方向のスリーブの有効な厚さをＴ
1 、同じ断面積をもつ断面形状が円形のスリーブ３ｃの
有効な厚さをｔ1 とすると、Ｔ1 はｔ1 よりも大きくな
る。As shown in the figure, the effective thickness of the sleeve 3 in the overlapping direction of the wire ropes of the sleeve 3 after crimping is T
1, the cross-sectional shape with the same cross-sectional area to the effective thickness of the circular sleeve 3c and t 1, T 1 is greater than t 1.
【００１７】圧着後のスリーブ３のワイヤロープの重な
り合う方向と直交する方向の有効な厚さＴ2 は、スリー
ブ３ｃの同方向の有効な厚さｔ2 よりも小さい。The effective thickness T 2 of the sleeve 3 after crimping in the direction orthogonal to the overlapping direction of the wire ropes is smaller than the effective thickness t 2 of the sleeve 3c in the same direction.
【００１８】ワイヤロープ１に引張力が加えられると、
スリーブ３には剪断力が作用する。この剪断力に対する
強度は、ワイヤロープの重なり合う方向と直交する方向
の有効な厚さを小さくすれば低下するが、ワイヤロープ
の重なり合う方向の有効な厚さを大きくすれば増加す
る。When a tensile force is applied to the wire rope 1,
A shearing force acts on the sleeve 3. The strength against this shearing force decreases as the effective thickness in the direction orthogonal to the overlapping direction of the wire ropes decreases, but increases as the effective thickness in the overlapping direction of the wire ropes increases.
【００１９】従って、上記のように、Ｔ2 をｔ2 より小
さくしても、Ｔ1 はｔ1 よりも大きいので、圧着後の断
面形状を同じ断面積の円形にしたものと同程度以上の強
度を確保することができる。Therefore, as described above, even if T 2 is smaller than t 2 , T 1 is larger than t 1 , so that the cross-sectional shape after crimping is equal to or greater than that of a circular shape having the same cross-sectional area. The strength can be secured.
【００２０】[0020]
【効果】この発明によれば、以上のように、圧着後のス
リーブの断面形状をワイヤロープの重なり合う方向に長
い長円形としたので、ワイヤロープの重なり合う方向の
スリーブの有効な厚さが大きくなり、強度を低下させず
に、圧着後のスリーブのワイヤロープの重なり合う方向
と直交する方向の外形寸法を小さくすることができる。[Effect] According to the present invention, as described above, since the cross-sectional shape of the sleeve after crimping is an ellipse elongated in the overlapping direction of the wire ropes, the effective thickness of the sleeve in the overlapping direction of the wire ropes increases. It is possible to reduce the outer dimension of the sleeve after crimping in the direction orthogonal to the overlapping direction of the wire ropes without lowering the strength.
【００２１】従って、建設機械等において、ブーム内に
数本のワイヤロープを並行して収納する際、ワイヤロー
プの間隔を小さくでき、ブームの設計上有利である。Therefore, in a construction machine or the like, when several wire ropes are accommodated in a boom in parallel, the interval between the wire ropes can be reduced, which is advantageous in designing the boom.
【００２２】また、スリーブは、同じ断面積の円形に圧
縮する従来の端末構造で使用していたものと同じものが
使用できる。The sleeve can be the same as that used in the conventional terminal structure for compressing into a circle having the same cross-sectional area.
【００２３】さらに、ワイヤロープを分解し撚り合わせ
る必要がないため、低コストで加工できる。Further, since it is not necessary to disassemble and twist the wire rope, the wire rope can be processed at low cost.
【図１】（Ｉ）は実施例の正面図 （II）は図１（Ｉ）のＡ−Ａ線に沿った拡大断面図FIG. 1 (I) is a front view of an embodiment. (II) is an enlarged sectional view taken along the line AA of FIG. 1 (I).
【図２】（Ｉ）は従来のワイヤロープの端末構造の一例
を示す正面図 （II）は図２（Ｉ）のＢ−Ｂ線に沿った拡大断面図FIG. 2 (I) is a front view showing an example of a terminal structure of a conventional wire rope. (II) is an enlarged sectional view taken along line BB of FIG. 2 (I).
【図３】（Ｉ）は従来のワイヤロープの端末構造の他の
例を示す正面図 （II）は図３（Ｉ）のＣ−Ｃ線に沿った拡大断面図3 (I) is a front view showing another example of a conventional wire rope terminal structure. (II) is an enlarged cross-sectional view taken along the line C-C of FIG. 3 (I).
１ ワイヤロープ ２ 端部 ３ スリーブ 1 Wire rope 2 End 3 Sleeve
Claims (1)
り返し端部をワイヤーロープに沿わせ、折り返し端部と
ワイヤロープの重なる部分にスリーブを嵌めて圧着した
ワイヤロープ端末構造において、圧着後のスリーブの断
面形状をワイヤロープの重なり合う方向に長い長円形と
したことを特徴とするワイヤロープ端末構造。1. A wire rope terminal structure in which an end portion of a wire rope is folded back, the folded end portion is aligned with the wire rope, and a sleeve is fitted and crimped at a portion where the folded end portion and the wire rope overlap each other. The wire rope terminal structure is characterized in that the cross-sectional shape of is a long oval long in the direction in which the wire ropes overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1618294A JPH07224908A (en) | 1994-02-10 | 1994-02-10 | Wire rope terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1618294A JPH07224908A (en) | 1994-02-10 | 1994-02-10 | Wire rope terminal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07224908A true JPH07224908A (en) | 1995-08-22 |
Family
ID=11909381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1618294A Pending JPH07224908A (en) | 1994-02-10 | 1994-02-10 | Wire rope terminal structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07224908A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200486307Y1 (en) * | 2017-09-25 | 2018-06-14 | 이희두 | Bracket-wirerope assembly and pressing apparatus |
| KR20230095734A (en) * | 2021-12-22 | 2023-06-29 | 신정훈 | Portable emergency escape reinforced wire reck structure of wire rope |
-
1994
- 1994-02-10 JP JP1618294A patent/JPH07224908A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200486307Y1 (en) * | 2017-09-25 | 2018-06-14 | 이희두 | Bracket-wirerope assembly and pressing apparatus |
| KR20230095734A (en) * | 2021-12-22 | 2023-06-29 | 신정훈 | Portable emergency escape reinforced wire reck structure of wire rope |
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