JP2001205705A - Tool for enlarging insulation cylinder and method for connecting power cable - Google Patents
Tool for enlarging insulation cylinder and method for connecting power cableInfo
- Publication number
- JP2001205705A JP2001205705A JP2000021759A JP2000021759A JP2001205705A JP 2001205705 A JP2001205705 A JP 2001205705A JP 2000021759 A JP2000021759 A JP 2000021759A JP 2000021759 A JP2000021759 A JP 2000021759A JP 2001205705 A JP2001205705 A JP 2001205705A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- expanded
- expansion
- cylinder
- axial direction
- 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
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Processing Of Terminals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ゴムまたはプラス
チック絶縁電力ケーブル用接続部におけるゴムまたはプ
ラスチック製の絶縁筒の拡管治具及びこれを用いた絶縁
筒装着；接続方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig for expanding a rubber or plastic insulation tube at a connection portion for a rubber or plastic insulated power cable and a method of mounting and connecting the insulation tube using the jig.
【０００２】[0002]
【従来の技術】図４は、先に提案された絶縁筒拡管治具
及びこれを用いた絶縁筒拡管；接続方法を示したもの
で、（イ）は拡管前、（ロ）は拡管後、（ハ）はケーブ
ル接続部上への装着作業状態を示している。2. Description of the Related Art FIG. 4 shows a previously proposed insulated tube expanding jig and an insulated tube expanding tube using the same; a connecting method is shown in FIG. (C) shows the state of mounting work on the cable connection part.
【０００３】絶縁筒拡管治具は、治具本体となる円筒形
の拡管パイプ９とその一端；先端側に装着された円錐筒
状；コーン状の挿入治具７とを備えたもので、これら拡
管パイプ及び挿入治具７は、図４（イ）のように、絶縁
筒１とともに丸棒状の挿入用ガイド６にシリーズに挿入
し、挿入用ガイド６の片端はガイド固定装置；受け台８
に固定する。また、拡管パイプ９の後端側には円筒状の
パイプ固定治具１０を装着する。The insulating tube expanding jig includes a cylindrical expanding pipe 9 serving as a jig main body and one end thereof; a conical cylindrical shape mounted on the tip end side; and a cone-shaped insertion jig 7. As shown in FIG. 4A, the expansion pipe and the insertion jig 7 are inserted into a round bar-shaped insertion guide 6 together with the insulating tube 1 in a series, and one end of the insertion guide 6 is a guide fixing device;
Fixed to. A cylindrical pipe fixing jig 10 is attached to the rear end side of the expanded pipe 9.
【０００４】そして、挿入用ガイド６の先端側には固定
ベース５を取り付け、この固定ベース５に一端を固定し
た複動油圧シリンダ２，２が挿入用ガイド６と平行に配
置され、シリンダシャフト２０の先端を連結板４にて拡
管パイプ９の後部に連結する。また、支柱１１にて一定
の間隔に保たれた半割り金属板３，３を複動油圧シリン
ダ２，２に直結し、これら金属板３，３で絶縁筒１を挟
み付け状態で固定する。A fixed base 5 is attached to the distal end side of the insertion guide 6, and double-acting hydraulic cylinders 2 and 2 having one end fixed to the fixed base 5 are arranged in parallel with the insertion guide 6, and a cylinder shaft 20 is provided. Is connected to the rear part of the expanded pipe 9 by the connecting plate 4. Further, the half-split metal plates 3, 3 kept at a fixed interval by the support 11 are directly connected to the double-acting hydraulic cylinders 2, and the insulating cylinder 1 is fixed by sandwiching the metal plates 3, 3.
【０００５】以上のようにして段取りが済んだら、複動
油圧シリンダ２，２の動作源である油圧ポンプを動作さ
せて、シリンダシャフト２０，２０を引く。すると、拡
管パイプ９及び挿入治具７が絶縁筒１内に挿入治具７の
先導により挿入され、図４（ロ）に示すように、絶縁筒
１が拡管パイプ９により拡管状態にされる。After the setup is completed as described above, the hydraulic pumps, which are the operation sources of the double-acting hydraulic cylinders 2, 2, are operated to pull the cylinder shafts 20, 20. Then, the expansion pipe 9 and the insertion jig 7 are inserted into the insulating tube 1 by the leading of the insertion jig 7, and the insulating tube 1 is expanded by the expansion pipe 9 as shown in FIG.
【０００６】このようにして絶縁筒１の拡管が完了した
ら、受け台８、固定ベース５、半割り金属板４、パイプ
固定治具１０を順次取り外し、また、挿入用ガイド６を
引き抜き、さらに、金属板３，３及び油圧シリンダ２，
２、挿入治具７も取り外し、以て、拡管パイプ９で拡管
された絶縁筒１のユニットを得る。When the expansion of the insulating tube 1 is completed in this manner, the receiving stand 8, the fixed base 5, the half-split metal plate 4, and the pipe fixing jig 10 are sequentially removed, and the insertion guide 6 is pulled out. Metal plates 3, 3 and hydraulic cylinder 2,
2. The insertion jig 7 is also removed to obtain the unit of the insulating cylinder 1 expanded by the expansion pipe 9.
【０００７】このユニットを、図４（ハ）に示すよう
に、ケーブルシース１３上に被挿し、導体接続管１２で
接続された導体接続部を中心とする接続部上に移動す
る。この状態で、半割り金属板３，３及び油圧シリンダ
２，２を絶縁筒上にセットし、且つまた半割り金属板４
を再びセット（シリンダシャフト２０と拡管パイプ９に
連結）し、油圧シリンダの動作にてシリンダシャフト２
０を押し出すことにより、拡管パイプ９を引き抜く。す
ると、拡管状態から解き放された絶縁筒が自己の弾性復
帰力で縮径し、絶縁筒１がケーブル絶縁体１４上に密着
し、所定の接続が完了する。[0007] As shown in FIG. 4 (C), this unit is inserted over the cable sheath 13, and is moved onto a connection portion centered on the conductor connection portion connected by the conductor connection tube 12. In this state, the half metal plates 3 and 3 and the hydraulic cylinders 2 and 2 are set on the insulating cylinder, and
Is set again (connected to the cylinder shaft 20 and the expansion pipe 9), and the cylinder shaft 2 is moved by the operation of the hydraulic cylinder.
By pushing 0, the expansion pipe 9 is pulled out. Then, the diameter of the insulating cylinder released from the expanded state is reduced by its own elastic restoring force, and the insulating cylinder 1 comes into close contact with the cable insulator 14 to complete a predetermined connection.
【０００８】[0008]
【発明が解決しようとする課題】前述した絶縁筒拡管治
具及びこれを用いた絶縁筒拡管方法；電力ケーブル接続
方法；図４によれば、次に示すような改善すべき点が見
出される。即ち、拡管パイプ９がストレートの円筒形に
して、絶縁筒の全長にわたって挿入する方式であり、し
かも絶縁筒を被着させる面も平滑であるため、絶縁筒と
拡管パイプ間の接触面積が大きく、拡管パイプの引き抜
き力がきわめて大きいことである。According to the above-described insulating tube expanding jig and the insulating tube expanding method using the same; the power cable connecting method; FIG. 4 reveals the following points to be improved. That is, since the expansion pipe 9 is formed into a straight cylindrical shape and inserted over the entire length of the insulating cylinder, and since the surface on which the insulating cylinder is applied is smooth, the contact area between the insulating cylinder and the expansion pipe is large, The pull-out force of the expanded pipe is extremely large.
【０００９】この大きな引き抜き力に対抗するため、接
続作業現場に大型の引き抜き治具；油圧シリンダ等々を
持ち込まなければならず、作業性の低下を余儀なくされ
ている。In order to counter this large pulling force, a large pulling jig, a hydraulic cylinder, and the like must be brought to the connection work site, and workability has to be reduced.
【００１０】そこで本発明の目的は、絶縁筒を拡管する
パイプの引き抜き力を低減することのできる、絶縁筒拡
管治具及びこれを用いた電力ケーブル接続方法を提供す
ることにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide an insulating tube expanding jig and a power cable connecting method using the same, which can reduce a pulling force of a pipe for expanding the insulating tube.
【００１１】[0011]
【課題を解決するための手段】本発明により提供する絶
縁筒拡管治具は、ゴムまたはプラスチック製の絶縁筒を
拡管してゴムまたはプラスチック絶縁電力ケーブルに挿
入し、その拡管状態から開放して絶縁筒をケーブル接続
部上に密着させる方法で用いる絶縁筒拡管治具であっ
て、絶縁筒拡管に用いるパイプが、軸方向に連設される
二組のパイプであってそれぞれに半割りのパイプからな
り、各パイプは弾性のあるリングで包縛され、このリン
グは軸方向に移動可能であることを特徴とする。According to the present invention, there is provided an insulating tube expanding jig provided by expanding a rubber or plastic insulating tube, inserting the expanded tube into a rubber or plastic insulated power cable, and releasing the expanded state from the expanded state. An insulated pipe expansion jig used in a manner in which a pipe is brought into close contact with a cable connection part, wherein pipes used for the insulating pipe expansion are two sets of pipes connected in an axial direction, and each pipe is divided into half. Wherein each pipe is confined by a resilient ring, which is characterized by being axially movable.
【００１２】前記拡管パイプに対して拡管パイプ固定ベ
ースを有し、この拡管パイプ固定ベースは、前記拡管パ
イプを装着可能な細径円筒部とその一端側に有する太径
円筒部とを有し、細径円筒部の他端側には円錐筒状；コ
ーン状の挿入治具を着脱可能としてなるものである。An expansion pipe fixing base is provided for the expansion pipe. The expansion pipe fixing base includes a small-diameter cylindrical portion to which the expansion pipe can be mounted and a large-diameter cylindrical portion provided at one end thereof. At the other end of the small-diameter cylindrical portion, a conical insertion cone-shaped insertion jig can be attached and detached.
【００１３】絶縁筒及び拡管パイプをシリーズに挿入す
る棒状の挿入ガイド、この挿入ガイドの一端側で固定ベ
ースにて固定され前記挿入ガイドと平行に配した複動油
圧シリンダ、この油圧シリンダに直結され絶縁筒を軸方
向から保持する半割り金属板、前記複動油圧シリンダの
シャフトの先端と前記拡管固定ベースの太径部とを連結
固定する半割り金属板を備えた治具を提供する。A rod-shaped insertion guide for inserting the insulating tube and the expanded pipe into the series, a double-acting hydraulic cylinder fixed at one end of the insertion guide by a fixed base and arranged in parallel with the insertion guide, directly connected to the hydraulic cylinder There is provided a jig provided with a half-split metal plate that holds an insulating cylinder in the axial direction, and a half-split metal plate that connects and fixes a distal end of a shaft of the double-acting hydraulic cylinder and a large-diameter portion of the expansion-fixing base.
【００１４】本発明により提供する電力ケーブルの接続
方法は、軸方向に二組のパイプにしてそれぞれが半割り
の拡管パイプを用い、これら拡管パイプのそれぞれに弾
性のあるリングを包縛させた状態で、前記リングを移動
させながら前記拡管パイプを絶縁筒に挿入して絶縁筒の
拡管を行い、この拡管パイプと絶縁筒のユニットを電力
ケーブル接続部上にセットし、当該拡管パイプを引き抜
くことにより絶縁筒の密着を図る方法からなる。The method of connecting a power cable provided by the present invention is a method of connecting two sets of pipes in the axial direction, using expanded pipes each of which is split in half, and each of these expanded pipes being wrapped with an elastic ring. Then, while moving the ring, the expanded pipe is inserted into the insulating tube to expand the insulating tube, the expanded pipe and the unit of the insulating tube are set on the power cable connection portion, and the expanded pipe is pulled out. It consists of a method of achieving close contact of the insulating cylinder.
【００１５】軸方向に二組でそれぞれが半割りの拡管パ
イプを拡管パイプ固定ベースの細径部に装着しリングで
包縛する一方、この拡管パイプ固定ベースを一端側太径
部をシリンダシャフトの先端に連結し、また絶縁筒及び
当該拡管パイプ固定ベースを棒状の挿入ガイドにシリー
ズに挿入し、当該拡管パイプ固定ベースの太径部を複動
油圧シリンダのシャフトに連結し、細径部先端に円錐筒
状の挿入治具を取り付けた状態で当該シリンダシャフト
を引き入れることにより、絶縁筒に前記拡管パイプを挿
入して絶縁筒の拡管を行うとともに、リングを軸方向に
移動させる方法を提供する。Two sets of expanded pipes, each divided in half in the axial direction, are mounted on the narrow diameter portion of the expanded pipe fixing base and are sealed with a ring, and the expanded pipe fixing base is connected to the large diameter part of one end side of the cylinder shaft. Connect to the tip, insert the insulating cylinder and the expanded pipe fixing base into a series of rod-shaped insertion guides, connect the large diameter part of the expanded pipe fixing base to the shaft of the double-acting hydraulic cylinder, A method is provided in which, by pulling in the cylinder shaft in a state where a conical cylindrical insertion jig is attached, the expansion pipe is inserted into the insulation cylinder to expand the insulation cylinder, and the ring is moved in the axial direction.
【００１６】[0016]
【発明の実施の形態】図１は、本発明の実施例を、絶縁
筒拡管治具とこれを用いた絶縁筒拡管要領にて示してい
る。尚、油圧シリンダや挿入用ガイド等は、先に提案し
た例；図４のものと同じであるので、図４と同一の符号
を採用している。従い、図４に関する前述の説明も併せ
参照されたい。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of the present invention in the form of an insulated tube expanding jig and an insulated tube expanding procedure using the same. Note that the hydraulic cylinder, the insertion guide, and the like are the same as those in the previously proposed example of FIG. Accordingly, please also refer to the above description regarding FIG.
【００１７】この実施例は、拡管治具本体において、拡
管パイプ固定ベース１９を提供する。これは、内径が共
通で、太径の円筒部と細径の円筒部からなる円筒形パイ
プベース１５と、このベース１５の細径部先端に着脱す
る円錐筒状；コーン状の挿入治具１６から構成されてお
り、太径部にはシリンダシャフト２０との連結用金属板
４を装着する溝を形成している。This embodiment provides an expansion pipe fixing base 19 in the expansion jig main body. This is a cylindrical pipe base 15 having a common inner diameter and comprising a large-diameter cylindrical portion and a small-diameter cylindrical portion, and a conical cylindrical shape attached to and detached from the distal end of the small-diameter portion of the base 15; And a groove for mounting the metal plate 4 for connection with the cylinder shaft 20 is formed in the large diameter portion.
【００１８】そして、この円筒形パイプベース１５の、
挿入治具１６と太径の円筒端部の間の細径部に、軸方向
で二分割したそれぞれに半割りの拡管パイプ１７を装着
するものである。拡管パイプ１７は、長手方向の所々で
ゴム製のリング１８を装着して円筒形パイプベース１５
から脱落しないようにしている。And, of this cylindrical pipe base 15,
In the small diameter portion between the insertion jig 16 and the large-diameter cylindrical end, a half-expanded pipe 17 that is divided into two in the axial direction is mounted. The expanded pipe 17 is provided with a rubber ring 18 at various points in the longitudinal direction, and is provided with a cylindrical pipe base 15.
From falling off.
【００１９】拡管前には、図１（イ）のように、油圧シ
リンダ２のシャフト２０を伸ばしておき、その先端部を
半割りの金属板４にてベース１５の太径部に連結する。
また、このように構成された拡管治具本体は、絶縁筒１
とともに挿入用ガイド６にシリーズに挿入し、絶縁筒１
は、挿入用ガイド６の端部に固定ベース５で固定された
複動油圧シリンダ２に直結された半割りの金属板３，３
にて保持される。Before the pipe expansion, as shown in FIG. 1A, the shaft 20 of the hydraulic cylinder 2 is extended, and the distal end is connected to the large-diameter portion of the base 15 with the metal plate 4 in half.
Further, the pipe expanding jig main body configured as described above includes the insulating tube 1.
Insert the series into the insertion guide 6 together with the insulation tube 1
Are metal plates 3 and 3 which are directly connected to the double-acting hydraulic cylinder 2 fixed to the end of the insertion guide 6 by the fixed base 5.
Is held at.
【００２０】このようにして、絶縁筒及び拡管治具本体
のセットが完了したら、シリンダシャフト２０を本体２
側へ引き入れることによって、拡管パイプ固定ベース１
９が連動し、結果的には、拡管パイプ１７が絶縁筒１内
に挿入されることになる。When the setting of the insulating cylinder and the pipe expanding jig main body is completed in this way, the cylinder shaft 20 is connected to the main body 2.
By pulling in to the side, the expansion pipe fixed base 1
As a result, the expansion pipe 17 is inserted into the insulating tube 1.
【００２１】尚、複動油圧シリンダ２は、駆動力さえあ
れば良いわけで、場合によっては１台でも可能である。Incidentally, the double-acting hydraulic cylinder 2 only needs to have a driving force, and in some cases, one double-acting hydraulic cylinder is also possible.
【００２２】拡管パイプ１７が絶縁筒１に挿入される過
程においては、拡管パイプ１７上のリング１８が絶縁１
の端縁で引っ掛かって固定位置を変えながら、絶縁筒１
とともに拡管パイプ固定ベース１５の端部に移動する。
図１（ロ）はそのようにして拡管パイプの挿入により拡
管された絶縁筒とリング１５が移動された状態を示した
ものである。In the process of inserting the expanded pipe 17 into the insulating cylinder 1, the ring 18 on the expanded pipe 17
While changing the fixed position by hooking on the edge of
At the same time, it moves to the end of the expansion pipe fixing base 15.
FIG. 1B shows a state in which the insulating tube and the ring 15 expanded by inserting the expansion pipe in this manner are moved.
【００２３】このようにして拡管作業を終了した後は、
装置本体から拡管固定ベース１９、挿入治具１６、リン
グ１８を外した後、拡管パイプ及びこれにより拡管され
た絶縁筒を取り出し、拡管絶縁筒ユニットとして電力ケ
ーブル接続部への装着（図４（ハ）参照）を行えば良
い。After completing the pipe expansion work in this way,
After removing the pipe expansion fixing base 19, the insertion jig 16, and the ring 18 from the apparatus main body, the pipe expansion pipe and the insulating tube expanded by the pipe are taken out, and attached to the power cable connection portion as a pipe expansion insulating cylinder unit (FIG. )).
【００２４】この拡管絶縁筒ユニットをケーブルに挿入
した場合、軸方向で二組の拡管パイプにより絶縁筒全長
を二分割して拡管することになるので、パイプ引き抜き
力が１／２以下になる。When the expanded insulating tube unit is inserted into the cable, the entire length of the insulating tube is divided into two by two sets of expanded pipes in the axial direction, so that the pipe is pulled out.
【００２５】図２は、拡管治具として適用可能な拡管パ
イプの例を列挙したもので、（イ）−１は、全長が等し
い二組の円筒状の拡管パイプ２１、（ロ）−１は、長さ
が異なる二組の円筒状のパイプ２２、（ハ）−１は、長
さが等しくそれぞれに傾斜；テーパの付いたパイプ２
３、（ニ）−１は、それぞれの長さが異なり且つそれぞ
れに傾斜；テーパの付いたパイプ２４からなる。いずれ
も、絶縁筒全長以上の長さの円筒状拡管パイプ（図４）
参照）と比較し、絶縁筒との接触面積が小さいため、パ
イプ引き抜き時の摩擦力が低減される。尚、（イ）−２
〜（ニ）−２は、前述したパイプ２１〜２４を円筒形パ
イプベース１５上に装着し、挿入治具１６を装着した例
である。FIG. 2 lists examples of expansion pipes applicable as an expansion jig. (A) -1 shows two sets of cylindrical expansion pipes 21 having the same overall length, and (B) -1 shows an example. , Two sets of cylindrical pipes 22 having different lengths, (c) -1 have equal lengths and are respectively inclined;
3, (d) -1 consists of a pipe 24 having different lengths and different inclinations; In each case, a cylindrical expanded pipe longer than the entire length of the insulating cylinder (Fig. 4)
), The contact area with the insulating cylinder is small, so that the frictional force when the pipe is pulled out is reduced. (A) -2
(D) -2 are examples in which the pipes 21 to 24 described above are mounted on the cylindrical pipe base 15 and the insertion jig 16 is mounted.
【００２６】図３は、拡管パイプのさらに適用可能な例
を示したもので、傾斜；テーパの付いた表面に縦溝を付
け、相対的に縦方向の突起を有した構造からなる。突起
は表面を円弧状とすることで、絶縁筒との接触時の摩擦
力をさらに低減できる。FIG. 3 shows a further applicable example of an expansion pipe, which has a structure in which a vertical groove is formed on an inclined; tapered surface and a relatively vertical projection is provided. By making the surface of the projection an arc shape, the frictional force at the time of contact with the insulating cylinder can be further reduced.
【００２７】尚、このような表面縦溝；縦方向突起は図
２のパイプ２１〜２４においても適用可能であり、こう
することで、引き抜き力のさらなる低減が図れる。Incidentally, such a surface vertical groove; a vertical projection can be applied to the pipes 21 to 24 in FIG. 2 as well, whereby the pulling force can be further reduced.
【００２８】[0028]
【発明の効果】以上説明したように本発明によれば、絶
縁筒を拡管するパイプの引き抜き力を低減することので
きる、絶縁筒拡管治具及びこれを用いた電力ケーブル接
続方法を提供するという所期の課題；目的を達成するこ
とができ、電力ケーブルの接続作業時の作業性の向上、
施工時間の短縮に大いに貢献し、接続作業費用のコスト
ダウンを図れる。As described above, according to the present invention, there is provided an insulating tube expanding jig and a power cable connecting method using the same, which can reduce the pulling force of a pipe for expanding the insulating tube. Expected problem: Achieved objectives, improved workability when connecting power cables,
It greatly contributes to shortening the construction time and can reduce the cost of connection work.
【図１】本発明に係る絶縁筒拡管治具及びこれを用いた
電力ケーブル接続方法の実施例を示し、（イ）は拡管作
業前のセット状態説明図、（ロ）は拡管作業後の状態説
明図。BRIEF DESCRIPTION OF DRAWINGS FIG. 1 shows an embodiment of an insulating tube expansion jig according to the present invention and a power cable connection method using the same, (a) is an explanatory view of a set state before expansion work, and (b) is a state after expansion work. FIG.
【図２】本発明に用いる拡管パイプの適用可能な例を列
挙して示し、（イ）−１〜（ニ）−１はパイプ単体の説
明図、（イ）−２〜（ニ）−２は挿入治具及び円筒形パ
イプベースをセットした状態の説明図。FIG. 2 enumerates and shows applicable examples of an expanded pipe used in the present invention, where (a) -1 to (d) -1 are explanatory diagrams of a single pipe, and (a) -2 to (d) -2. FIG. 4 is an explanatory view showing a state where an insertion jig and a cylindrical pipe base are set.
【図３】本発明に用いる拡管パイプのもう一つの例を示
す説明図。FIG. 3 is an explanatory view showing another example of the expanded pipe used in the present invention.
【図４】先に提案された絶縁筒拡管治具及びこれを用い
た電力ケーブル接続方法の例を示し、（イ）は拡管作業
前のセット状態説明図、（ロ）は拡管作業後の状態説明
図、（ハ）は拡管された絶縁筒の電力ケーブル接続部上
へのセット状態説明図。FIGS. 4A and 4B show an example of a previously proposed insulated tube expanding jig and a power cable connection method using the same, wherein FIG. 4A is an explanatory view of a set state before the expanding operation, and FIG. Explanatory drawing, (c) Explanatory drawing of the setting state of the expanded insulating cylinder on the power cable connection part.
１ 絶縁筒 ２ 複動油圧シリンダ ３ 金属板 ４ 連結板 ５ 固定ベース ６ 挿入用ガイド ８ ガイド固定装置 １１ 支柱 １２ 導体接続管 １３ ケーブルシース １４ ケーブル絶縁体 １５ 円筒形パイプベース １６ 挿入治具 １７ 拡管パイプ １８ リング １９ 拡管パイプ固定ベース ２０ シリンダシャフト ２１ 円筒形拡管パイプ ２２ 円筒形拡管パイプ ２３ 勾配付き拡管パイプ ２４ 勾配付き拡管パイプ DESCRIPTION OF SYMBOLS 1 Insulating cylinder 2 Double-acting hydraulic cylinder 3 Metal plate 4 Connecting plate 5 Fixed base 6 Insertion guide 8 Guide fixing device 11 Support 12 Conductor connection pipe 13 Cable sheath 14 Cable insulator 15 Cylindrical pipe base 16 Insert jig 17 Expansion pipe 18 Ring 19 Expansion pipe fixing base 20 Cylinder shaft 21 Cylindrical expansion pipe 22 Cylindrical expansion pipe 23 Inclined expansion pipe 24 Inclined expansion pipe
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4F210 AD05 AD12 AE01 AG03 AG08 AH34 AH35 RC04 RC08 RG01 RG07 4F211 AD05 AD12 AE01 AG03 AG08 AH34 AH35 SA11 SC01 SD04 SH18 SH30 SJ01 SJ13 SJ15 SJ22 SP20 5G355 AA03 BA15 CA06 ──────────────────────────────────────────────────続 き Continued on front page F-term (reference) 4F210 AD05 AD12 AE01 AG03 AG08 AH34 AH35 RC04 RC08 RG01 RG07 4F211 AD05 AD12 AE01 AG03 AG08 AH34 AH35 SA11 SC01 SD04 SH18 SH30 SJ01 SJ13 SJ15 SJ22 SP20 5G355 AA03 BA15
Claims (5)
してゴムまたはプラスチック絶縁電力ケーブルに挿入
し、その拡管状態から開放して絶縁筒をケーブル接続部
上に密着させる方法で用いる絶縁筒拡管治具であって、
絶縁筒拡管に用いるパイプが、軸方向に連設される二組
のパイプであってそれぞれに半割りのパイプからなり、
各パイプは弾性のあるリングで包縛され、このリングは
軸方向に移動可能であることを特徴とする絶縁筒拡管治
具。1. A method for expanding an insulating tube made of rubber or plastic, which is expanded and inserted into a rubber or plastic insulated power cable, released from the expanded state, and the insulating tube is brought into close contact with a cable connection portion. Tool,
The pipes used for the insulation pipe expansion are two sets of pipes connected in the axial direction, each consisting of a half pipe,
Each pipe is confined by an elastic ring, and the ring is movable in the axial direction.
ースを有し、この拡管パイプ固定ベースは、前記拡管パ
イプを装着可能な細径円筒部とその一端側に有する太径
円筒部とを有し、細径円筒部の他端側には円錐筒状；コ
ーン状の挿入治具を着脱可能としてなる、請求項１記載
の絶縁筒拡管治具。2. An expansion pipe fixing base for the expansion pipe, the expansion pipe fixing base having a small-diameter cylindrical portion to which the expansion pipe can be mounted and a large-diameter cylindrical portion provided at one end thereof. 2. The insulation tube expanding jig according to claim 1, wherein a conical insertion jig can be attached to and detached from the other end of the small-diameter cylindrical portion.
る棒状の挿入ガイド、この挿入ガイドの一端側で固定ベ
ースにて固定され前記挿入ガイドと平行に配した複動油
圧シリンダ、この油圧シリンダに直結され絶縁筒を軸方
向から保持する半割り金属板、前記複動油圧シリンダの
シャフトの先端と前記拡管固定ベースの太径部とを連結
固定する半割り金属板を備えた、請求項１記載の絶縁筒
拡管治具。3. A rod-shaped insertion guide for inserting an insulating cylinder and an expansion pipe into a series, a double-acting hydraulic cylinder fixed at one end of the insertion guide by a fixed base and arranged in parallel with the insertion guide. 2. A half-split metal plate which is directly connected and holds the insulating cylinder in the axial direction, and a half-split metal plate which connects and fixes a tip end of a shaft of the double-acting hydraulic cylinder and a large-diameter portion of the expanded pipe fixing base. Insulation tube expansion jig.
割りの拡管パイプを用い、これら拡管パイプのそれぞれ
に弾性のあるリングを包縛させた状態で、前記リングを
移動させながら前記拡管パイプを絶縁筒に挿入して絶縁
筒の拡管を行い、この拡管パイプと絶縁筒のユニットを
電力ケーブル接続部上にセットし、当該拡管パイプを引
き抜くことにより絶縁筒の密着を図ることを特徴とする
電力ケーブルの接続方法。4. An expanded pipe having two sets of pipes in the axial direction, each of which is a half-split pipe, and an elastic ring is wrapped in each of the expanded pipes while moving the ring. Inserting a pipe into an insulating tube to expand the insulating tube, setting the unit of the expanded tube and the insulating tube on the power cable connection portion, and pulling out the expanded pipe to achieve close contact of the insulating tube. Power cable connection method.
イプを拡管パイプ固定ベースの細径部に装着しリングで
包縛する一方、この拡管パイプ固定ベースを一端側太径
部をシリンダシャフトの先端に連結し、また絶縁筒及び
当該拡管パイプ固定ベースを棒状の挿入ガイドにシリー
ズに挿入し、当該拡管パイプ固定ベースの太径部を複動
油圧シリンダのシャフトに連結し、細径部先端に円錐筒
状の挿入治具を取り付けた状態で当該シリンダシャフト
を引き入れることにより、絶縁筒に前記拡管パイプを挿
入して絶縁筒の拡管を行うとともに、リングを軸方向に
移動させる、請求項４記載の電力ケーブルの接続方法。5. An expanded pipe, which is divided into two sets in the axial direction, each of which is halved, is mounted on a small-diameter portion of an expanded-pipe fixing base and is closed with a ring. Connect to the tip of the shaft, insert the insulating cylinder and the expansion pipe fixing base into a series of rod-shaped insertion guides, connect the large diameter part of the expansion pipe fixing base to the shaft of the double-acting hydraulic cylinder, By pulling in the cylinder shaft with the conical cylindrical insertion jig attached to the tip, the expansion pipe is inserted into the insulation pipe to expand the insulation pipe, and the ring is moved in the axial direction. 4. The method for connecting a power cable according to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000021759A JP2001205705A (en) | 2000-01-26 | 2000-01-26 | Tool for enlarging insulation cylinder and method for connecting power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000021759A JP2001205705A (en) | 2000-01-26 | 2000-01-26 | Tool for enlarging insulation cylinder and method for connecting power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001205705A true JP2001205705A (en) | 2001-07-31 |
Family
ID=18548128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000021759A Pending JP2001205705A (en) | 2000-01-26 | 2000-01-26 | Tool for enlarging insulation cylinder and method for connecting power cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001205705A (en) |
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|---|---|---|---|---|
| JP2013169021A (en) * | 2012-02-14 | 2013-08-29 | Viscas Corp | Assembling method for power cable terminal connection portion, core rod for assembly, and assembling tool |
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| CN110014638A (en) * | 2019-01-15 | 2019-07-16 | 中海石油(中国)有限公司上海分公司 | Remember memory rubber packer and its processing unit (plant) and processing method |
| CN117712978A (en) * | 2024-02-04 | 2024-03-15 | 成都盛帮双核科技有限公司 | High-voltage cable terminal for offshore wind power, and preparation method and assembly method thereof |
-
2000
- 2000-01-26 JP JP2000021759A patent/JP2001205705A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013169021A (en) * | 2012-02-14 | 2013-08-29 | Viscas Corp | Assembling method for power cable terminal connection portion, core rod for assembly, and assembling tool |
| CN109435225A (en) * | 2018-12-08 | 2019-03-08 | 刘勇 | A kind of wear automatically warms Heat-Shrinkable Tubings machine |
| CN109435225B (en) * | 2018-12-08 | 2021-06-15 | 山东金博防腐材料有限公司 | Automatic wear to dry by fire heat and contract jacketing machine |
| CN110014638A (en) * | 2019-01-15 | 2019-07-16 | 中海石油(中国)有限公司上海分公司 | Remember memory rubber packer and its processing unit (plant) and processing method |
| CN110014638B (en) * | 2019-01-15 | 2021-03-30 | 中海石油(中国)有限公司上海分公司 | Memory rubber packer, and processing device and processing method thereof |
| CN109855853A (en) * | 2019-03-04 | 2019-06-07 | 东方电气集团东方锅炉股份有限公司 | Test specimen, expanded joint pulling-out force test device and its application method for the test of expanded joint pulling-out force |
| CN109855853B (en) * | 2019-03-04 | 2024-02-02 | 东方电气集团东方锅炉股份有限公司 | Test piece for expansion joint pull-out force test, expansion joint pull-out force test device and use method thereof |
| CN117712978A (en) * | 2024-02-04 | 2024-03-15 | 成都盛帮双核科技有限公司 | High-voltage cable terminal for offshore wind power, and preparation method and assembly method thereof |
| CN117712978B (en) * | 2024-02-04 | 2024-04-23 | 成都盛帮双核科技有限公司 | High-voltage cable terminal for offshore wind power, and preparation method and assembly method thereof |
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