CN101911415A - Joint of power cable - Google Patents
Joint of power cable Download PDFInfo
- Publication number
- CN101911415A CN101911415A CN200880124516XA CN200880124516A CN101911415A CN 101911415 A CN101911415 A CN 101911415A CN 200880124516X A CN200880124516X A CN 200880124516XA CN 200880124516 A CN200880124516 A CN 200880124516A CN 101911415 A CN101911415 A CN 101911415A
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- conductor
- cable
- connecting portion
- power cable
- patchhole
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- 238000004873 anchoring Methods 0.000 abstract 2
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- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
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- Cable Accessories (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
A joint of a power cable exhibiting excellent flexibility at the anchoring portion and the conducting portion in a plug-in joint. The joint of a power cable comprises an inner conductor (6) having a tubular conductor insertion hole (64) which is closed on one end side, and a cable conductor connection end to be plugged in the conductor insertion hole (64). The cable conductor connection end has a connection terminal (7) to be fixed to the distal end of a cable conductor (32). The connection terminal (7) is provided, at the forward end thereof, with a columnar draw-out portion (71), which is inserted to one end side of a tulip contact (8) for anchoring, and provided, at the rear end thereof, with a conducting portion (72) and a compression portion (73) along the axial direction of the cable conductor (32).
Description
Technical field
The present invention relates to the connecting portion of power cable, particularly relate to the connecting portion that has the power cable of keeping somewhere function and energising function at the plug-in type connecting portion.
Background technology
Usually, as this plug-in type connecting portion, known have: the plug-in type connecting portion of the way of contact of the plug-in type connecting portion of (1) Mume flower contact mode, (2) Multilam (system Le チ ラ system, the registered trade mark of Multi-Contact company) band, (for example with reference to the patent documentations 1,2) such as plug-in type connecting portions of (3) chock fastening means.
At this, (1) Mume flower contact mode is only to carry out the conductor connection by the splicing ear that will be fixed in cable conductor to insertion of ring-type contactor and the card that a plurality of finger-like contactors by garter spring harness circular arrangement form, in addition, the way of contact of (2) Multilam band be by the periphery at the splicing ear that is fixed in cable conductor be provided with ring-type groove and this groove along the circumferential direction the spring-like contactor of setting-in conductivity (for example Multilam band) carry out conductor and connect, and the chock fastening means of (3) is by cable conductor is connected to the fastening conductor that carries out of chock fastening appliance that the conductor patchhole inserted and will be disposed at the chock rearward end via chock.
Yet, (1) in the Mume flower contact mode, because the indwelling portion of plug-in type connecting portion is strong aspect flexible, so, even though also can be corresponding easily to power cable effect bending stress, but, textural because be that male side be splicing ear with female side is that the finger-like contactor contacts for point for energising, so short circuit current that can not corresponding other power cable of 220kV level (for example 60kA, about 3 seconds), therefore, when having the position that the point when male side of increase and female side contacts, the big footpathization of Mume flower contact, and then the problem of big footpathization of inner conductor and the big footpathization of sleeve pipe.In addition, in the way of contact of Multilam band (2), though energising function aspects excellence, but, not only do not keep somewhere function, and in the large scale cable because of the leading section bending of the compression splicing ear of splicing ear, and then the insulation characterisitic at the interface of possibility counter stress awl and sleeve pipe exerts an influence, in addition, at general Multilam commonly used band, promptly the way of contact of the Multilam band that forms by punching and extrusion molding and from the beryllium copper plate of minimal thickness as shown in Figure 4, there is the problem of the flexible difference of conducting parts.In addition, (3) in the chock fastening means, not only because the contact area between cable conductor and chock fastening appliance is little and resistance increases thereby the big electric current that can not circulate, and because be rigid construction, so also there is the problem of flexible difference, in addition, because connecting, conductor uses chock, so there is the following problem that can not make plug-in type connecting portion pathization like that.Promptly, the assembly key period of the day from 11 p.m. to 1 a.m being screwed into the chock fastening appliance, insertion or operating space in order to ensure erecting tools, and stress cone is significantly retreated, therefore, that not only has to make cable joint-box etc. strips the corresponding prolongation of distance, and, connect in the mode of using chock at conductor, the assembly key period of the day from 11 p.m. to 1 a.m being screwed into the chock fastening appliance is in the occasion that may produce smear metal, if such smear metal is adhered to the interface of accommodating mouth and stress cone of sleeve pipe, then exist insulation property to reduce, cause the possibility of insulation breakdown.
Therefore, propose to have the plug-in type connecting portion of so-called ball locking mode as shown in Figure 5.The plug-in type connecting portion of this ball locking mode, for example patent documentation 3 is shown in Figure 1, have by compression be fixed in power cable 100 conductor 100a leading section female connector 200 and be intercalated in the periphery of this female connector 200 and make inner conductor 300 in sleeve pipe and female connector 200 between the male connector 400 of conducting, dispose at the interior side-lower of male connector 400 ring-type that movably disposes along the axis direction of male connector 400 push utensil 500 and push by this that utensil 500 is pushed and in the location notch 500a of inner conductor 300 the outstanding metal ball 600 that is locked between male connector 400 and the inner conductor 300, at male connector 400 with push and be provided with helical spring 700 between the utensil 500.
As shown in Figure 5, in the plug-in type connecting portion of such formation, give as security compression awl 800 by the forward end side it is advanced,, prevent the extraction of cable 100 inner conductor 300 and male connector 400 lockings.In addition, as shown in Figure 6, retreat, remove the lockup state of inner conductor 300 and male connector 400, can carry out the extraction of cable 100 by making stress cone 800.
Therefore, according to the plug-in type connecting portion of such formation, though can prevent the extraction (having the indwelling function) of cable reliably,, because male connector 400 is disposed at the outside of female connector 200, so there is the problem of the big footpathization of external diameter of plug-in type connecting portion.
Patent documentation 1:(Japan) spy opens flat 7-163041 communique (Fig. 1, Fig. 3)
Patent documentation 2:(Japan) spy opens flat 7-212953 communique (Fig. 1)
Patent documentation 3:(Japan) spy opens flat 10-126946 communique (Fig. 1)
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide the connecting portion of the power cable of a kind of indwelling portion that has flexible excellence in the plug-in type connecting portion and conducting parts.
First aspect present invention provides a kind of connecting portion of power cable, it possesses inner conductor with conductor patchhole cylindraceous that an end side has been sealed and inserts the cable conductor that is connected in the conductor patchhole and be connected the end, cable conductor connects the end and possesses the splicing ear that is fixed in the cable conductor leading section, splicing ear has the columned lead division that inserts Mume flower contact one end side and be used to keep somewhere at leading section, possesses conducting parts and compression unit in rearward end along the direction of principal axis of described cable conductor.
Second aspect present invention is on the basis of first aspect, the connecting portion of power cable is provided, wherein, central part in the closure of inner conductor, with with the mode of lead division subtend and the concentric shape of conductor patchhole be equipped with columned boss, the other end side of Mume flower contact inserted boss and maintain.
Third aspect present invention first or the basis of second aspect on, the connecting portion of power cable is provided, wherein, conducting parts possess the periphery of being located at splicing ear ring-type groove and along the circumferential direction be flush-mounted in groove and the spring-like contactor or the helical spring of the conductivity that the internal perisporium of himself and conductor patchhole can electrically contact.
Fourth aspect present invention is on the basis of the third aspect, the connecting portion of power cable is provided, wherein, the spring-like contactor possess that Width with the spring-like contactor disposes in parallel to each other and himself along the telescopic a plurality of contact chips of the footpath direction of conductor patchhole, each contact chip is V word shape in the stretching region of contact chip.
On the basis of fifth aspect present invention either side in first～fourth aspect, provide the connecting portion of power cable, wherein, be provided with the depressed part of ring-type in the portion of being connected with of conducting parts and compression unit.
Sixth aspect present invention aspect first～the 5th on the basis of either side, the connecting portion of power cable is provided, wherein, the external diameter of conducting parts is smaller than the internal diameter of conductor patchhole, the external diameter of lead division and compression unit is littler than the external diameter of conducting parts.
According to the connecting portion of power cable of the present invention, can obtain following effect.
First, because the leading section at the splicing ear that is fixed in cable conductor is provided with insertion as an end side of the ring-type contactor of Mume flower contact and the columned lead division that is used to keep somewhere, so can form the indwelling portion of flexible excellence, and then, give the plug-in type connecting portion that cable bending etc. also has suitable indwelling function even can provide.
Second, because possess conducting parts along the direction of principal axis of cable conductor in the rearward end of splicing ear, so, by spring-like contactor, for example Multilam band that sets the current conduction excellent performance at this conducting parts, can be via the big electric current of this Multilam band circulation, and then, can provide as can be corresponding to the connecting portion of the power cable of large scale, big electric current the connecting portion of suitable power cable.
The 3rd, groove in the ring-type of the periphery of being located at conducting parts, the spring-like contactor that possesses conductivity with the highly big contact chip that stretches, for example dispose in parallel to each other and himself is at the telescopic a plurality of contact chips of the footpath of conductor patchhole direction with the Width of spring-like contactor, along the circumferential direction being embedded with stretching region at contact chip at each contact chip is under the situation of spring-like contactor of conductivity of V word shape, can form the conducting parts of flexible excellence, and then, even under the situation of the bending that has the bonding conductor leading section cause by compression or give under the situation of cable bending force etc., also can easily insert, plug-in type connecting portion with suitable energising function can be provided, and can provide can corresponding large scale, the connecting portion of the power cable of big electric current.In addition, can be with the external diameter pathization of the external diameter or the sleeve pipe of inner conductor, and then, can realize the lightweight of sleeve pipe, the densification of equipment.
The 4th, be provided with in the portion of being connected with of conducting parts and compression unit under the situation of depressed part of ring-type, can be absorbed in the stretching or the distortion of the splicing ear when splicing ear compression is connected in cable conductor by this depressed part, and then, can realize the spring-like contactor of conducting parts and effectively electrically contacting of inner conductor.
Description of drawings
Fig. 1 is the part sectioned view of an example of the connecting portion of expression power cable of the present invention;
Fig. 2 is the amplification profile of plug-in type connecting portion shown in Figure 1;
Fig. 3 is the amplification profile of splicing ear shown in Figure 2;
Fig. 4 is the key diagram of existing spring-like contactor (Multilam band);
Fig. 5 is the part sectioned view of the connecting portion of existing power cable;
Fig. 6 is the part sectioned view of the connecting portion of existing power cable.
Symbol description
2... sleeve pipe
24... accommodate mouth
3... cable end piece
6... inner conductor
64... conductor patchhole
7... splicing ear
71... lead division
72... conducting parts
72b... groove
73... compression unit
74... depressed part
8... Mume flower contact
9... spring-like contactor
91... contact chip
Embodiment
Below, the connecting portion of having used power cable of the present invention with reference to drawing explanation is preferred embodiment.In addition, in the following description, " leading section " of sleeve pipe, inner conductor and splicing ear (lead division, conducting parts, compression unit) is meant respectively goes up direction among the figure, in addition, " rearward end " of sleeve pipe, inner conductor and splicing ear (lead division, conducting parts, compression unit) is meant the end of the opposition side of leading section, is equivalent to direction down among the figure.
Fig. 1 has represented to use the 220kV level large scale (2000mm for example of the connecting portion of power cable of the present invention
2) part sectioned view of terminal connection part in the gas of CV cable, Fig. 2 represents the amplification profile of the plug-in type connecting portion of terminal connection part in this gas, Fig. 3 represents the amplification profile of the splicing ear of this plug-in type connecting portion.
Among Fig. 1, in the gas of the present invention terminal connection part have the electric power of accommodating derailing switch or transformer etc. airtightly with equipment box 1, the leading section of equipment (not shown) be positioned at equipment box 1 and rearward end be installed on airtightly in the mode of inaccessible peristome 11 equipment box 1 peristome 11 periphery sleeve pipe 2, be installed on the cable end piece 3 of sleeve pipe 2, axially push the press device 5 of the ring-type of the stress cone 4 that is intercalated in cable end piece 3 to the leading section side of sleeve pipe 2.
Sleeve pipe 2 possesses the head cylindraceous 21 of being located at leading section and is connected with in the flange part 23 of the rearward end side of head 21 via electric field mitigation portion 22, in the rearward end side of sleeve pipe 2, with the conductor patchhole 64 of inner conductor 6 described later for concentric shape and and the mode that is communicated with of conductor patchhole 64 be provided with from flange part 23 headward 21 undergauge successively cone shape and accommodate mouthfuls 24.
At this, sleeve pipe 2 is made of insulators such as epoxy resin and inner conductor 6 together is molded as one.In addition, it is bigger than the bore of the peristome 11 of equipment box 1 external diameter of flange part 23 of sleeve pipe 2 to be set.In addition, the outer surface in electric field mitigation portion 22 is coated with electrically-conducting paint.
Rearward end side and its internal diameter that the cross section that conductor patchhole 64 has the lead division 71, conducting parts 72 and the compression unit 73 that are used to insert aftermentioned splicing ear 7 is seen circular conductor patchhole (hereinafter referred to as " the first conductor patchhole ") 64a and is located at the first conductor patchhole 64a are seen circular conductor patchhole (hereinafter referred to as " the second conductor patchhole ") 64b than the big cross section of internal diameter of the first conductor patchhole 64a, these first, second conductor patchholes 64a, 64b with accommodate mouthfuls 24 for concentric shape and and accommodate mouthful modes of 24 connections and be provided with.In addition, the partly central part of conductor patchhole 64 sides of (hereinafter referred to as " closure ") 65 that is connected with at cylindric 63 leading section and neck 62, with with the mode of lead division 71 subtends of splicing ear 7 and conductor patchhole 64 concentric shapes dash forward and establish columned boss 66, be provided with groove (hereinafter referred to as " inner conductor side the groove ") 66a of ring-type in the periphery of this boss 66.In addition, inner conductor 6 is formed by the metal barred body that copper or copper alloy or aluminum or aluminum alloy etc. are suitable for switching on.
At this, neck 62 is present in the position with the top 21a correspondence of sleeve pipe 2, and the external diameter of the external diameter of this neck 62 than cylindric 63 is little, and in addition, the external diameter of conductor lead division 61 is more smaller than the external diameter of head 21.
Cable end piece 3 has end to the CV cable to carry out the staged exploitation and handles and make its cable insulation that exposes 31 and cable conductor 32, and in the periphery of cable insulation 31, the external semi-conductive layer (not shown) that strides across cable is equipped with the stress cone 4 of spindle shape.At this, stress cone 4 is made of insulation division (not shown) and half conducting parts (not shown) that ethylene-propylene rubber (EP rubber) etc. has rubber-like elasticity, is provided with and accommodates the conus portion of the preceding thin shape of mouthfuls 24 internal perisporium correspondence in the periphery of insulation division.
The head of lead division 71 (with a side of boss 66 subtends) 71a is spherical, is provided with annular recess (hereinafter referred to as " cable conductor side groove ") 71b at the head 71a of lead division 71 and the periphery that is connected with part of conducting parts 72.
Conducting parts 72 possesses the large-diameter portion 72a with external diameter more smaller than the internal diameter of conductor patchhole 64, is provided with the annular recess 72b (with reference to Fig. 3) that is used for setting-in conductivity spring-like described later contactor 9 in the periphery of this large-diameter portion 72a.
As spring-like contactor 9, preferably be known as the Multilam band " Multi-Contact corporate system La-CUT/0.25/0 (numbering) " of the contact of the multiaspect way of contact.As shown in Figure 3, this Multilam band possesses be parallel to each other configuration and himself can be along the flexible a plurality of contact chips 91 of the footpath direction X of conductor patchhole 64 of Width Y with spring-like contactor 9, and each contact chip 91 is V word shape at the stretching region Z of this contact chip 91.
Multilam band according to this formation, by minimal thickness (for example 0.25mm), utilize the spring performance of beryllium copper can make contact pressure stable for a long time, and contact resistance can be suppressed at irreducible minimum, and then, because contact chip 91 is flexible highly big, so can form the conducting parts of the plug-in type connecting portion of flexible excellence.
In addition, splicing ear 7 is formed by the metal barred body that copper or copper alloy or aluminum or aluminum alloy etc. are suitable for switching on.
As shown in Figure 2, symbol 8 expression is used for keeping somewhere at inner conductor 6 Mume flower contact of splicing ears 7, and this Mume flower contact 8 possesses the ring-type contactor 81 of a plurality of finger-type contactor 81a with circular arrangement and separates a pair of garter spring 82a, the 82b that sets in the periphery up and down of ring-type contactor 81.In addition, at annular convex (hereinafter referred to as " inner conductor side ring shape the protuberance ") 83a that is used to be limited to inner conductor side groove 66a that is provided with in interior week of an end side of ring-type contactor 81, be used to be limited to annular convex (hereinafter referred to as " splicing ear side ring shape the protuberance ") 83b of cable conductor side groove 71b being provided with in interior week of the other end of ring-type contactor 81 side.
The assemble method of terminal connection part in the gas of the present invention that so constitutes is described then.
At first, an end side of the ring-type contactor 81 by will constituting Mume flower contact 8 is inserted the boss 66 of the inner conductor 66 of forming sleeves 2, and 83a is limited to inner conductor side groove 66a with inner conductor side ring shape protuberance.In addition, by cable conductor 32 being inserted the conductor patchhole 73b of the compression unit 73 that constitutes splicing ear 7 and compressing, splicing ear 7 is fixed in cable conductor 32.And, the periphery of insulator 31 in advance (before the compression) stress cone 4 is installed.In addition, on the CV cable, before Installation Stress awl 4, intercalation has the not shown cable protection utensil or the press device 5 of stress cone 4.
The leading section of the terminal part 3 of the CV cable of pre-treatment is installed in sleeve pipe 2 like this.
Under this situation, be pressed in the conductor patchhole 64 of inner conductor 6 by the conductor terminal 7 that will constitute cable conductor connection end, the splicing ear side ring shape protuberance 83b butt of the ring-type contactor 81 of the spherical leading section of lead division 71 and formation Mume flower contact 8, and then, by lead division 71 is pressed in the conductor patchhole 64, lead division 71 is resisted the elastic force of garter spring 82a, 82b and the expansion of ring-type contactor 81 radius vector direction foreign sides is opened, and the boss 66 to inner conductor 6 is pressed into simultaneously.And when further being pressed into lead division 71 in the conductor patchhole 64, the other end side ring shape protuberance 83b of the ring-type contactor 81 of formation Mume flower contact 8 is chimeric with the cable conductor side groove 71b of the lead division 71 that constitutes splicing ear 7.
In addition, by stress cone 4 forward end sides being pushed by the press device 5 that is intercalated in cable end piece 3 sides in advance, the cone shape peripheral part of stress cone 4 is pressed into the internal face of accommodating mouth 24 of sleeve pipe 2, thereby, guarantee to accommodate the insulation property at the interface between the outer peripheral face of insulation division of mouthfuls 24 internal face and stress cone 4.
As above, connecting portion according to power cable of the present invention, first, because the leading section at the splicing ear 7 that is fixed in cable conductor 32 is provided with insertion as an end side of the ring-type contactor 81 of Mume flower contact 8 and the columned lead division 71 that is used to keep somewhere, so can form the indwelling portion of flexible excellence, thereby, give the plug-in type connecting portion that cable bending etc. also can have suitable indwelling function even can provide.
Second, because possess conducting parts 72 along the direction of principal axis of cable conductor 32 in the rearward end of splicing ear 7, so, by spring-like contactor 9, for example Multilam band that sets the current conduction excellent performance at this conducting parts 72, can be via the big electric current of this Multilam band circulation, and then, can provide as can corresponding large scale, the connecting portion of power cable that the connecting portion of the power cable of big electric current is suitable.
The 3rd, annular recess 72b in the periphery of being located at conducting parts 72, the spring-like contactor 9 that possesses conductivity with the highly big contact chip 91 that stretches, for example dispose in parallel to each other and himself is at the telescopic a plurality of contact chips 91 of the footpath of conductor patchhole 64 direction X with the Width Y of spring-like contactor 9, be at the stretching region Z that each contact chip 91 along the circumferential direction is inlaid in contact chip 91 under the situation of spring-like contactor 9 of conductivity of V word shape, can form the conducting parts 72 of flexible excellence, and then, even under the situation that has the bonding conductor leading section bending cause by compression or give under the situation of bending force etc. of cable, also can easily insert, plug-in type connecting portion with suitable energising function can be provided, and can provide can corresponding large scale, the connecting portion of the power cable of big electric current.In addition, the external diameter of inner conductor or the external diameter of sleeve pipe carry out can pathizations, and then, can realize the lightweight of sleeve pipe, the densification of equipment.
The 4th, be provided with in the portion of being connected with of conducting parts 72 and compression unit 73 under the situation of depressed part 74 of ring-type, the stretching or the distortion of the splicing ear 7 in the time of can splicing ear 7 compressions being connected in cable conductor 32 by these depressed part 74 absorptions, and then, can access the spring-like contactor 9 of conducting parts 72 and the effective electric power of inner conductor 6 and contact.
The utilizability of industry
In the above-described embodiment,, the invention is not restricted to these execution modes, as long as realize effect of the present invention, then formation that also can be following though the specific execution mode has with reference to the accompanying drawings illustrated the present invention.
The first, in the foregoing description, the groove 72b that has narrated in the ring-type that constitutes conducting parts 72 is embedded with the situation of spring-like contactor 9, but also can replace spring-like contactor 9 and the helical spring of setting-in conductivity.
The second, in the above-described embodiments, narrated conducting parts 72 has been located at situation between lead division 71 and the compression unit 73, still, this conducting parts 72 also can be located at the rearward end side of compression unit 73.
The 3rd, in the above-described embodiments, narrate the situation that is applicable to terminal connection part in the gas, but also be applicable in the oil terminal connection part in terminal connection part or the gas.
The 4th, the size that is installed on the cable conductor 32 of sleeve pipe 2 is not limited to 2000mm
2, also can surpass 2000mm
2Perhaps not enough 2000mm
2
The 5th, be installed on the rated voltage that cables in the sleeve pipe 2 are not limited to 220kV, also go for the rated voltage of not enough 220kV or surpass the rated voltage of 220kV.
Claims (6)
1. the connecting portion of a power cable is characterized in that,
The connecting portion of this power cable possesses: inner conductor, this inner conductor have the conductor patchhole cylindraceous that an end side has been sealed; The cable conductor that insertion is connected in described conductor patchhole connects the end,
Described cable conductor connects the splicing ear that the end possesses the leading section that is fixed in cable conductor,
Described splicing ear has an end side of inserting Mume flower contact and the columned lead division that is used to keep somewhere at leading section, possesses conducting parts and compression unit in rearward end along the direction of principal axis of described cable conductor.
2. the connecting portion of power cable as claimed in claim 1 is characterized in that,
At the central part of the closure of described inner conductor, with the mode of described lead division subtend and the concentric shape of described conductor patchhole be equipped with columned boss, the other end side of described Mume flower contact inserted described boss and maintain.
3. the connecting portion of power cable as claimed in claim 1 or 2 is characterized in that,
Described conducting parts possess the periphery of being located at described splicing ear ring-type groove and along the circumferential direction be flush-mounted in described groove and the spring-like contactor or the helical spring of the conductivity that the internal perisporium of himself and described conductor patchhole can electrically contact.
4. the connecting portion of power cable as claimed in claim 3 is characterized in that,
Described spring-like contactor possess that Width with described spring-like contactor disposes in parallel to each other and himself along the telescopic a plurality of contact chips of the footpath direction of described conductor patchhole, each described contact chip is V word shape in the stretching region of described contact chip.
5. as the connecting portion of each described power cable in the claim 1～4, it is characterized in that,
Be provided with the depressed part of ring-type in the portion of being connected with of described conducting parts and described compression unit.
6. as the connecting portion of each described power cable in the claim 1～5, it is characterized in that,
The external diameter of described conducting parts is smaller than the internal diameter of described conductor patchhole, and the external diameter of described lead division and described compression unit is littler than the external diameter of described conducting parts.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008002286A JP4667472B2 (en) | 2008-01-09 | 2008-01-09 | Power cable connection |
| JP2008-002286 | 2008-02-04 | ||
| PCT/JP2008/003842 WO2009087727A1 (en) | 2008-01-09 | 2008-12-18 | Joint of power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101911415A true CN101911415A (en) | 2010-12-08 |
Family
ID=40852851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880124516XA Pending CN101911415A (en) | 2008-01-09 | 2008-12-18 | Joint of power cable |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4667472B2 (en) |
| KR (1) | KR101231680B1 (en) |
| CN (1) | CN101911415A (en) |
| TW (1) | TWI455430B (en) |
| WO (1) | WO2009087727A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597686A (en) * | 2011-05-19 | 2014-02-19 | 普睿司曼股份公司 | Termination for electrical cables and method for manufacturing such a termination |
| WO2016015280A1 (en) * | 2014-07-31 | 2016-02-04 | Abb Technology Ltd | Multi-cable socket connector |
| CN106786137A (en) * | 2016-12-06 | 2017-05-31 | 国网四川省电力公司技能培训中心 | A kind of self-locking insulator replacement fixture |
| CN108173015A (en) * | 2018-01-15 | 2018-06-15 | 珠海格力电器股份有限公司 | A kind of connector assembly and electric wire connecting junction |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101332770B1 (en) * | 2009-11-04 | 2013-11-25 | 현대중공업 주식회사 | Terminal connecting device of a higher-capacity transformer |
| DE102013102860A1 (en) * | 2013-03-20 | 2014-09-25 | R. Stahl Schaltgeräte GmbH | Device for command and / or signaling with a plug-in coupling |
| GB2561259B (en) | 2017-06-21 | 2019-05-08 | C Ling Ltd | Pull-in head assembly |
| GB2561261B (en) | 2017-06-21 | 2019-05-08 | C Ling Ltd | Pull-in head assembly |
| GB2561260B (en) * | 2017-06-21 | 2019-05-08 | C Ling Ltd | Pull-in head assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2551425Y2 (en) * | 1989-09-28 | 1997-10-22 | 昭和電線電纜株式会社 | Cable termination connection device |
| JPH06165363A (en) * | 1992-11-25 | 1994-06-10 | Asahi Denki Kk | Connection structure of cable conductor |
| JP3352529B2 (en) * | 1994-04-26 | 2002-12-03 | 昭和電線電纜株式会社 | Cable end structure for junction box and its outer plug |
| TW288219B (en) * | 1994-07-11 | 1996-10-11 | Raychem Ltd | Electrical interconnections |
| JP2000050482A (en) * | 1998-07-31 | 2000-02-18 | Hitachi Cable Ltd | Power cable terminal connector |
-
2008
- 2008-01-09 JP JP2008002286A patent/JP4667472B2/en active Active
- 2008-12-18 WO PCT/JP2008/003842 patent/WO2009087727A1/en active Application Filing
- 2008-12-18 KR KR1020107014785A patent/KR101231680B1/en active IP Right Grant
- 2008-12-18 CN CN200880124516XA patent/CN101911415A/en active Pending
-
2009
- 2009-01-07 TW TW098100361A patent/TWI455430B/en active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597686A (en) * | 2011-05-19 | 2014-02-19 | 普睿司曼股份公司 | Termination for electrical cables and method for manufacturing such a termination |
| CN103597686B (en) * | 2011-05-19 | 2016-10-19 | 普睿司曼股份公司 | Termination case and the manufacture method of this termination case for cable |
| US9748722B2 (en) | 2011-05-19 | 2017-08-29 | Prysmian S.P.A. | Terminations for electrical cables and methods for manufacturing such terminations |
| WO2016015280A1 (en) * | 2014-07-31 | 2016-02-04 | Abb Technology Ltd | Multi-cable socket connector |
| CN106786137A (en) * | 2016-12-06 | 2017-05-31 | 国网四川省电力公司技能培训中心 | A kind of self-locking insulator replacement fixture |
| CN106786137B (en) * | 2016-12-06 | 2018-12-04 | 国网四川省电力公司技能培训中心 | A kind of self-locking insulator replacement fixture |
| CN108173015A (en) * | 2018-01-15 | 2018-06-15 | 珠海格力电器股份有限公司 | A kind of connector assembly and electric wire connecting junction |
| CN108173015B (en) * | 2018-01-15 | 2023-12-05 | 珠海格力电器股份有限公司 | Wiring component and wiring device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009087727A1 (en) | 2009-07-16 |
| KR20100127744A (en) | 2010-12-06 |
| TWI455430B (en) | 2014-10-01 |
| TW200943659A (en) | 2009-10-16 |
| JP2009165307A (en) | 2009-07-23 |
| JP4667472B2 (en) | 2011-04-13 |
| KR101231680B1 (en) | 2013-02-08 |
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Application publication date: 20101208 |