CN103166164A - Assembling method for cable terminal, and component used for formation of cable terminal - Google Patents
Assembling method for cable terminal, and component used for formation of cable terminal Download PDFInfo
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- CN103166164A CN103166164A CN2011104056407A CN201110405640A CN103166164A CN 103166164 A CN103166164 A CN 103166164A CN 2011104056407 A CN2011104056407 A CN 2011104056407A CN 201110405640 A CN201110405640 A CN 201110405640A CN 103166164 A CN103166164 A CN 103166164A
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Abstract
An assembling method for a cable terminal includes: circlewise covering the outer wall of a supporting pipe with first sealant; circlewise covering the first sealant with second sealant; sleeving a shrinkable casing pipe to the supporting pipe after the shrinkable casing pipe is expanded, wherein the edge of one end of the shrinkable casing pipe covers the second sealant, and the adhesive power between the second sealant and the shrinkable casing pipe, and the adhesive power between the first sealant and the second sealant are both larger than the adhesive power between the first sealant and the supporting pipe; inserting a cable and a terminal joint which are connected with each other into the supporting pipe, wherein the connecting position of the cable and the terminal joint is located in the supporting pipe; drawing the supporting pipe out from the shrinkable casing pipe to enable that the shrinkable casing pipe is tightly covers on the cable and the terminal joint, and the first sealant and the second sealant are clamped between the shrinkable casing pipe and the terminal joint. The invention further provides a component used for formation of the cable terminal. The component used for the formation of the cable terminal can be prefabricated in a factory, the cable terminal can be installed on site, and therefore processes for assembling the cable terminal can be simplified.
Description
Technical field
The present invention relates to a kind ofly for cable being connected to the assemble method of the cable termination on electric equipment, particularly, relate to a kind of assemble method of the cable termination that will have an insulation protection function and the assembly that is used to form cable termination.
Background technology
The electric cable accessories that comprises cable termination and transition joint is the vitals in the power transmission and transformation cable line, wherein cable termination generally is applied in the junction of cable and electric equipments such as generator, motor, transformer, gas-insulated switch (GIS), and transition joint generally is applied in the junction of two cables.The effect of cable termination is the electric field that disperses cable external shield cut-off part; the protection cable is not breakdown; can prevent that moisture and conducting medium are invaded insulating sleeve and further contacted with the conductor part of cable under service conditions; thereby can prevent from destroying cable in the insulation property of blank area, guarantee cable safe operation long-term effectively.In ultra-high-tension power transmission line, most of accident is that electric cable accessories causes, so at cable and for example quality of joint annex, safe and reliable very important to whole power transmission and transformation.
At present, research and develop multiple technologies and realized the protection of cable junction.As being that the CN85109479.1 Chinese patent discloses a kind of heat-shrinkable T bush in conjunction with PUR at application number, wherein cable sealing glue and shrinkage sleeve pipe are used in conjunction with, to increase the insulation property of shrinkage sleeve pipe.
In the cable termination devices 200 of prior art, being used in conjunction with of fluid sealant and shrinkage sleeve pipe generally has following dual mode:
1). fluid sealant and fill glue and at first be wound into the cable joint place, and then the rubber body of cold shrink tube is installed to fluid sealant and fills the outside of glue and cable insulation, present fluid sealant and fill glue mainly take the EPDM fluid sealant with fill glue as main.This method is installed more complicated, and is also higher to the operation requirements of installation personnel;
2). fluid sealant and cold shrink tube just are prefabricated into one in factory, fluid sealant is filled in the centre of cold shrink tube rubber body and stay pipe, only need stay pipe is taken out when mounted to get final product.This method simple installation, simple to operate.but the requirement for fluid sealant is very high, at first, fluid sealant is by in advance built in the centre of cold shrink tube rubber body (silicon rubber) and stay pipe, the larger pressure of cold shrink tube rubber body of (generally expanding 3 left and right doubly) after can receiving expansion, but the requirement according to condition of work, in storage-life (2-3), fluid sealant can not infiltrate in the gap of stay pipe, more can not become dry, aging etc., be also that plasticity is little, weatherability will be got well simultaneously, but after being installed to the cable junction, still require fluid sealant that certain plasticity is arranged, to fill the space, isolated air, steam etc., secondly, when stay pipe is taken out in installation, fluid sealant is wanted to be bonded on rubber body, not embrittlement, the branch with stay pipe is not drawn out of, moves, this just requires the adhesion between the material (multiplex polyolefin such as PE and PP etc.) of fluid sealant and stay pipe little, but between fluid sealant and rubber body (silicon rubber), certain adhesion will be arranged, at last, the plasticiser in fluid sealant, filler etc. can not infiltrate through in rubber body and stay pipe material.
Summary of the invention
For solving above-mentioned and other technical problem of the prior art, the present invention proposes a kind of assemble method of cable termination, has the fluid sealant of different performance by selection, simplifies the program of assembling cable termination.
The further aspect according to the present invention also provides a kind of assembly that is used to form cable termination, utilize this assembly with simple assembling process installing cables terminal at the scene, and cable termination has good sealing and anti-electric breakdown performance.
Embodiment according to an aspect of the present invention provides a kind of assemble method of cable termination to comprise the steps: to coat circlewise the first fluid sealant on the outer wall of stay pipe; Coat circlewise the second fluid sealant on described the first fluid sealant; To be set on described stay pipe after the shrink sleeve expansion, and described the second fluid sealant is by the edges cover of an end of described shrinkable sleeves, and the adhesion between the adhesion between wherein said the second fluid sealant and described shrinkable sleeves and the first fluid sealant and the second fluid sealant is all greater than the adhesion between described the first fluid sealant and described stay pipe; The cable and the terminal fitting that have been electrically connected to are inserted described stay pipe, and the connecting portion of wherein said cable and described terminal fitting is in described stay pipe; And extract described stay pipe out from described shrinkable sleeves, so that described shrinkable sleeves closely is coated on described cable and terminal fitting, and described the first fluid sealant and the second fluid sealant are sandwiched between described telescopic sleeve pipe and described terminal fitting.
In above-mentioned assemble method, described stay pipe is made by polyolefine material, and described the first fluid sealant is organosilicon sealant, and described telescopic sleeve pipe is made by silastic material or ethylene-propylene rubber material, and described the second fluid sealant is made by polyolefin elastomer.
In above-mentioned assemble method, described polyolefin elastomer is at least a in ethylene propylene diene rubber and butyl rubber.
In above-mentioned assemble method, described the second fluid sealant is coated on the roughly centre position of described the first fluid sealant, and described the second fluid sealant at the width on the axial direction of described cable termination less than the width on the axial direction of described the first fluid sealant at described cable termination.
In above-mentioned assemble method, the described width of described the first fluid sealant is generally 3-6 centimetre, and the described width of described the second fluid sealant is than the first narrow 0.5-1cm of fluid sealant.
In above-mentioned assemble method, stay pipe is the helical stay pipe, and comprises the bracing wire that extends to the other end from an end of described helical stay pipe, with by pulling described bracing wire that described helical stay pipe is pulled out described shrinkable sleeves.
The embodiment of further aspect according to the present invention provides a kind of assembly that is used to form cable termination, comprising: the stay pipe of helix comprises relative first end and the second end and the bracing wire that extends to the second end from described first end; The first fluid sealant, contiguous described the second end is bonded in the periphery of described stay pipe circlewise; The second fluid sealant is coated on the periphery of described the first fluid sealant circlewise; And shrinkable sleeves, the first end of described stay pipe inserts in described shrinkable sleeves, and described the second fluid sealant is by the edges cover of an end of described shrinkable sleeves; Wherein, the adhesion between the adhesion between described the second fluid sealant and described shrinkable sleeves and the first fluid sealant and the second fluid sealant is all greater than the adhesion between described the first fluid sealant and described stay pipe.
In the above-mentioned assembly that is used to form cable termination, described stay pipe is made by polyolefin, described the first fluid sealant is organosilicon sealant, and described telescopic sleeve pipe is made by silastic material or ethylene-propylene rubber material, and described the second fluid sealant is made by polyolefin elastomer.
In the above-mentioned assembly that is used to form cable termination, described polyolefin elastomer is at least a in ethylene propylene diene rubber and butyl rubber.
In the above-mentioned assembly that is used to form cable termination, described the second fluid sealant at the width on the axial direction of described cable termination less than the width on the axial direction of described the first fluid sealant at described cable termination.
In the above-mentioned assembly that is used to form cable termination, the described width of described the first fluid sealant is for being generally 3-6 centimetre, and the described width of described the second fluid sealant is than the first narrow 0.5-1cm of fluid sealant.
According to the assemble method of the cable termination of above-mentioned various embodiment of the present invention be used to form the assembly of cable termination, utilization as the organosilicon sealant of the first fluid sealant and as the polyolefin elastomer fluid sealant of the second fluid sealant in the difference aspect plasticity, plasticiser, thixotropy, and the difference of the adhesion of the stay pipe of making to the shrinkable sleeves made by silastic material with by polyolefine material, with both in conjunction with and be applied to the sealing of cable termination.The assembly that is used to form cable termination can be prefabricated in the factory and form, and is assembled into cable termination with cable and terminal fitting at the scene, thereby simplifies the program of assembling cable termination, makes cable termination have good sealing and anti-electric breakdown performance.
For purpose of the present invention, feature and advantage can be become apparent more, the invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the schematic sectional view that utilizes the cable termination of making according to the assembly that is used to form cable termination of exemplary embodiment of the present invention;
Fig. 2 is the local enlarged diagram of A part in Fig. 1;
Fig. 3 is the schematic diagram of the embodiment of the stay pipe that uses in the assemble method process according to cable termination of the present invention;
Fig. 4 is the schematic diagram that has coated on stay pipe after two kinds of fluid sealants;
Fig. 5 is the cut-away view according to the assembly that is used to form cable termination of exemplary embodiment of the present invention;
Fig. 6 is the enlarged diagram of B part in Fig. 5;
Fig. 7 is installed to partial sectional view after cable and terminal fitting with insulating sleeve in Fig. 5 and two-layer fluid sealant.
Embodiment
Although fully describe the present invention with reference to the accompanying drawing that contains preferred embodiment of the present invention, should be appreciated that those of ordinary skill in the art can revise invention described herein, obtained technique effect of the present invention simultaneously before this describe.Therefore, must understand above description to those of ordinary skill in the art and Yan Weiyi discloses widely, and its content does not lie in restriction exemplary embodiment described in the invention.In accompanying drawing, identical Reference numeral represents identical part.
Fig. 1 is the simple and easy cutaway view according to the cable termination 100 of exemplary embodiment of the present invention, and the cable 1 that is used for carrying such as voltage more than 10 kilovolts according to cable termination of the present invention passes through terminal fitting 2 and High-Voltage Electrical Appliances equipment connection (not shown) such as generator, motor, transformer, gas-insulated switch (GIS).Referring to Fig. 1 and 2, utilize the cable termination 100 that the assembly that is used to form cable termination of exemplary embodiment of the present invention is made to comprise: cable 1 has conductive core line part 11; Terminal fitting 2 is used for being connected to electric equipment, and by conductive core line part 11 being inserted the connecting hole 21 of terminal fitting 2, terminal fitting 2 is electrically connected to cable 1; The shrinkable sleeves 3 that for example has shrinkage, by utilizing stay pipe 4 (will be further described below) to make shrinkable sleeves 3 closely be coated on the part of the part of cable 1 and terminal fitting 2, the connecting portion of cable 1 and terminal fitting 2 is in shrinkable sleeves 3, so that described connecting portion is protected; The first fluid sealant 5 is bonded in the periphery of terminal fitting 2 circlewise; And second fluid sealant 6, be coated on circlewise the periphery of the first fluid sealant 5, and by the edges cover of an end of shrinkable sleeves 3, for example cover fully.The outer umbrella skirt construction 31 that radially extends integratedly that is arranged with in shrinkable sleeves 3.
As shown in Figure 5, embodiment according to an aspect of the present invention, a kind of assembly that is used to form cable termination 100 is provided, comprises: the stay pipe 4 of helix comprises relative first end and the second end and the bracing wire 41 that extends to the second end from described first end; The first fluid sealant 5, contiguous described the second end is bonded in the periphery of stay pipe 4 circlewise; The second fluid sealant 6 is coated on the periphery of the first fluid sealant 5 circlewise; And shrinkable sleeves 3, the first end of stay pipe 4 inserts in shrinkable sleeves 3, and the second fluid sealant 6 is by the edges cover of an end of shrinkable sleeves 4.In cable termination 100 of the present invention, the adhesion between the adhesion between the second fluid sealant 6 and shrinkable sleeves 3 and the first fluid sealant 5 and the second fluid sealant 6 is all greater than the adhesion between the first fluid sealant 5 and stay pipe 4.
Show a kind of exemplary embodiment of stay pipe 4 as Fig. 3, this stay pipe 4 is the helical stay pipe, this helical stay pipe is to utilize PE or PP to make by being wound in helix tube as the banded support bar of material, and comprise the bracing wire 41 that extends to the second end from the first end of helical stay pipe, by pulling bracing wire 41 at the second end, can make this helical stay pipe free successively and become linear structure from first end, and the helical stay pipe is disappeared fully.
The assemble method of cable termination 100 is according to an embodiment of the present described below with reference to Fig. 4-7 and 1.This assemble method comprises the steps: as shown in Figure 4, coats circlewise the first fluid sealant 5 that one deck has certain width and thickness on the outer wall of stay pipe 4; Coat circlewise the second fluid sealant 6 on the first fluid sealant 5; As shown in Figure 5, stay pipe 4 is inserted shrinkable sleeves 3, and as shown in Figure 6, the second fluid sealant 5 is covered fully by the edge of an end of shrinkable sleeves 3.Generally speaking, the diameter of stay pipe 4 is greater than the diameter of shrinkable sleeves 3 under nature, like this, and due to the rigid support power of stay pipe 4 and the elasticity expandable characteristics of shrinkable sleeves 3, stay pipe 4 inserts under the state of shrinkable sleeves 3, and shrinkable sleeves 3 is in the elastic dilatation state.That is to say, shrinkable sleeves 3 closely is coated on stay pipe 4, and the first fluid sealant 5 is attached to the periphery of stay pipe 4, and the second fluid sealant 6 sticks near shrinkable sleeves 3 one ends inwall.
Afterwards, as shown in Figure 7, the cable 1 that has been electrically connected to and terminal fitting 2 are inserted stay pipes 4, wherein make the connecting portion of cable 1 and terminal fitting 2 in stay pipe, and an end that is stained with the shrinkable sleeves 3 of the second fluid sealant 6 is positioned at the precalculated position of the outside of terminal fitting 2; Afterwards, extract stay pipe 4 out by the bracing wire 41 that pulls stay pipe 4 from shrinkable sleeves 3, even the stay pipe of helix 4 fades away and becomes linear structure.Along with stay pipe 4 is extracted out from shrinkable sleeves 3, perhaps the stay pipe 4 along with helix fades away, and shrinkable sleeves 3 is recovered due to elasticity and closely is coated on gradually on cable 1 and terminal fitting 2.
Due to the adhesion between the adhesion between the second fluid sealant 6 and shrinkable sleeves 3 and the first fluid sealant 5 and the second fluid sealant 6 all greater than the adhesion between the first fluid sealant 5 and stay pipe 4, in the process that pulls stay pipe 4, the first fluid sealant 5 will break away from stay pipe 4, and the first fluid sealant 5 and the second fluid sealant 6 are sandwiched between telescopic sleeve pipe 3 and terminal fitting 2, thereby form cable termination of the present invention 100 as shown in Figure 1.The first fluid sealant 5 and the second fluid sealant 6 can prevent that moisture and conducting medium are invaded the shrinkable sleeves 3 of insulation and further contacts with the conductive core line part 11 of cable under service conditions, thereby can prevent from destroying cable 1 and terminal fitting 2 between the insulation property of coupling part, guarantee cable 1 safe operation long-term effectively.
Further embodiment according to cable termination 100 of the present invention and assemble method thereof, stay pipe 3 is made by polyolefine material, the first fluid sealant 5 is organosilicon sealant, and telescopic sleeve pipe 3 is made by silastic material or ethylene-propylene rubber material, and the second fluid sealant 6 is made by polyolefin elastomer.Further, polyolefin elastomer is at least a in ethylene propylene diene rubber and butyl rubber.But the present invention is not limited thereto, above-mentioned various part also can be made by other material, as long as these materials can guarantee that adhesion between the second fluid sealant 6 and shrinkable sleeves 3 and the adhesion between the first fluid sealant 5 and the second fluid sealant 6 are all greater than the adhesion between the first fluid sealant 5 and stay pipe 4.
According to further embodiment of the present invention, the second fluid sealant 6 is coated on the roughly centre position of the first fluid sealant 5, and the second fluid sealant 6 at the width on the axial direction of cable termination 100 less than the width of the first fluid sealant 5 on the axial direction of cable termination 100, like this, in the process of assembling cable termination 100 of the present invention, can guarantee that the second fluid sealant 6 can not contact with stay pipe 4.In a kind of exemplary embodiment, the described width of described the first fluid sealant is 3-6 centimetre, and the described width of described the second fluid sealant is than the first narrow 0.5-1 of fluid sealant centimetre.
Above-mentioned various embodiment according to cable termination 100 of the present invention and assemble method thereof, utilization as the organosilicon sealant of the first fluid sealant 5 and as the polyolefin elastomer fluid sealant of the second fluid sealant 6 in the difference aspect plasticity, plasticiser, thixotropy, and the difference of the adhesion of the stay pipe of making to the shrinkable sleeves 3 made by silastic material with by polyolefine material, with both in conjunction with and be applied to the sealing of cable termination 100.Organosilicon sealant is very little to the adhesion of the stay pipe 4 made by polyolefine material, and by the polyolefin elastomer fluid sealant, shrinkage shrinkable sleeves 3 is had stronger adhesion.Like this, coat the organosilicon sealant of certain width and thickness on the ad-hoc location of stay pipe 4, coat again the slightly little polyolefinic fluid sealant of one deck width on organosilicon sealant, shrinkable sleeves 3 is expanded on the stay pipe 4 that is coated with two-layer fluid sealant at last, afterwards, only need stay pipe 4 is taken out, just shrinkage shrinkable sleeves 3 and two-layer fluid sealant can be installed to simultaneously the junction of cable 1 and terminal fitting 2.
It will be appreciated by those skilled in the art that, embodiment described above is exemplary, and those skilled in the art can make improvements, structure described in various embodiment in the situation that not the conflict aspect recurring structure or principle can carry out independent assortment, thereby on the basis that solves technical problem of the present invention, realize more kinds of cable terminations 100 and assemble method thereof.
After describing preferred embodiment of the present invention in detail; those of ordinary skill in the art can clearly understand; can carry out various variations and change under the protection range that does not break away from the claim of enclosing and spirit, and the present invention also is not subject to the execution mode of examples cited embodiment in specification.
Claims (11)
1. the assemble method of a cable termination, comprise the steps:
Coat circlewise the first fluid sealant (5) on the outer wall of stay pipe (4);
Coat circlewise the second fluid sealant (6) on described the first fluid sealant;
To be set on described stay pipe after shrink sleeve (3) expansion, and described the second fluid sealant is by the edges cover of described shrinkable sleeves one end, and the adhesion between the adhesion between wherein said the second fluid sealant and described shrinkable sleeves and the first fluid sealant and the second fluid sealant is all greater than the adhesion between described the first fluid sealant and described stay pipe;
The cable (1) and the terminal fitting (2) that have connected are inserted described stay pipe, and the connecting portion of wherein said cable and described terminal fitting is in described stay pipe; And extract described stay pipe out from described shrinkable sleeves, so that described shrinkable sleeves closely is coated on described cable and terminal fitting, and described the first fluid sealant and the second fluid sealant are sandwiched between described telescopic sleeve pipe and described terminal fitting.
2. assemble method as claimed in claim 1, wherein, described stay pipe is made by polyolefin, and described the first fluid sealant is organosilicon sealant, described telescopic sleeve pipe is made by silastic material or ethylene-propylene rubber material, and described the second fluid sealant is made by polyolefin elastomer.
3. assemble method as claimed in claim 2, wherein, described polyolefin elastomer is at least a in ethylene propylene diene rubber and butyl rubber.
4. assemble method as described in any one in claim 1-3, wherein, described the second fluid sealant is coated on the roughly centre position of described the first fluid sealant, and described the second fluid sealant at the width on the axial direction of described cable termination less than the width on the axial direction of described the first fluid sealant at described cable termination.
5. assemble method as claimed in claim 4, wherein, the described width of described the first fluid sealant is generally 3-6 centimetre, and the described width of described the second fluid sealant is than the first narrow 0.5-1cm of fluid sealant.
6. assemble method as described in any one in claim 1-3, wherein, stay pipe is the helical stay pipe, and comprises the bracing wire (41) that extends to the other end from an end of described helical stay pipe, with by pulling described bracing wire that described helical stay pipe is pulled out from described shrinkable sleeves.
7. assembly that is used to form cable termination comprises:
The stay pipe of helix (4) comprises relative first end and the second end and the bracing wire (41) that extends to the second end from described first end;
The first fluid sealant (5), contiguous described the second end is bonded in the periphery of described stay pipe circlewise;
The second fluid sealant (6) is coated on the periphery of described the first fluid sealant circlewise; And
Shrinkable sleeves (3), the first end of described stay pipe inserts in described shrinkable sleeves, and described the second fluid sealant is by the edges cover of an end of described shrinkable sleeves;
Wherein, the adhesion between the adhesion between described the second fluid sealant and described shrinkable sleeves and the first fluid sealant and the second fluid sealant is all greater than the adhesion between described the first fluid sealant and described stay pipe.
8. the assembly that is used to form cable termination as claimed in claim 7, wherein, described stay pipe is made by polyolefin, and described the first fluid sealant is organosilicon sealant, described telescopic sleeve pipe is made by silastic material or ethylene-propylene rubber material, and described the second fluid sealant is made by polyolefin elastomer.
9. the assembly that is used to form cable termination as claimed in claim 8, wherein, described polyolefin elastomer is at least a in ethylene propylene diene rubber and butyl rubber.
10. the assembly that is used to form cable termination as described in any one in claim 7-9, wherein, described the second fluid sealant at the width on the axial direction of described cable termination less than the width on the axial direction of described the first fluid sealant at described cable termination.
11. the assembly that is used to form cable termination as claimed in claim 10, wherein, the described width of described the first fluid sealant is for being generally 3-6 centimetre, and the described width of described the second fluid sealant is than the first narrow 0.5-1cm of fluid sealant.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110405640.7A CN103166164B (en) | 2011-12-08 | 2011-12-08 | The assemble method of cable termination and the assembly for the formation of cable termination |
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| CN201110405640.7A CN103166164B (en) | 2011-12-08 | 2011-12-08 | The assemble method of cable termination and the assembly for the formation of cable termination |
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| CN103166164A true CN103166164A (en) | 2013-06-19 |
| CN103166164B CN103166164B (en) | 2016-03-09 |
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| CN104201622A (en) * | 2014-09-11 | 2014-12-10 | 江苏安靠智能输电工程科技股份有限公司 | Prefabricated power cable intermediate joint mounting device and method |
| CN104967084A (en) * | 2015-05-19 | 2015-10-07 | 江苏中煤电缆有限公司 | Degaussing cable connector |
| CN106300214A (en) * | 2015-05-19 | 2017-01-04 | 泰科电子(上海)有限公司 | Cold-contraction type cable termination, cold-contraction type terminal assembly and the method for termination cable |
| CN107317272A (en) * | 2017-05-31 | 2017-11-03 | 中铁十二局集团有限公司 | A kind of pre- fitting processing method of mineral insulated cable batch production based on BIM technology |
| KR20190114091A (en) * | 2018-03-29 | 2019-10-10 | 엘에스전선 주식회사 | Termination box of power cable |
| CN111952900A (en) * | 2020-08-13 | 2020-11-17 | 国网河南省电力公司平顶山供电公司 | Cable termination safety dismounting device |
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| CN104201622A (en) * | 2014-09-11 | 2014-12-10 | 江苏安靠智能输电工程科技股份有限公司 | Prefabricated power cable intermediate joint mounting device and method |
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| CN106300214A (en) * | 2015-05-19 | 2017-01-04 | 泰科电子(上海)有限公司 | Cold-contraction type cable termination, cold-contraction type terminal assembly and the method for termination cable |
| CN106300214B (en) * | 2015-05-19 | 2019-03-19 | 泰科电子(上海)有限公司 | Cold-contraction type cable termination, cold-contraction type terminal assembly and the method for terminating cable |
| CN107317272A (en) * | 2017-05-31 | 2017-11-03 | 中铁十二局集团有限公司 | A kind of pre- fitting processing method of mineral insulated cable batch production based on BIM technology |
| KR20190114091A (en) * | 2018-03-29 | 2019-10-10 | 엘에스전선 주식회사 | Termination box of power cable |
| KR102589064B1 (en) * | 2018-03-29 | 2023-10-12 | 엘에스전선 주식회사 | Termination box of power cable |
| CN111952900A (en) * | 2020-08-13 | 2020-11-17 | 国网河南省电力公司平顶山供电公司 | Cable termination safety dismounting device |
| CN111952900B (en) * | 2020-08-13 | 2022-01-21 | 国网河南省电力公司平顶山供电公司 | Cable termination safety dismounting device |
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