CN101640393B - Connection method of high voltage cable on electromotive - Google Patents
Connection method of high voltage cable on electromotive Download PDFInfo
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- CN101640393B CN101640393B CN2008101443586A CN200810144358A CN101640393B CN 101640393 B CN101640393 B CN 101640393B CN 2008101443586 A CN2008101443586 A CN 2008101443586A CN 200810144358 A CN200810144358 A CN 200810144358A CN 101640393 B CN101640393 B CN 101640393B
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Abstract
The invention discloses a connection method of high voltage cable on an electromotive, comprising the following steps: 1. providing a high voltage cable (A) which comprises a conductor (11), a conductor semi-conductive layer (12), an insulation layer (13), an insulation semi-conductive layer (14), a metal external shielding layer (15) and an external jacket (16) in sequence from interior to exterior, with one end being sleeve connection end (A1) and the other end being transformer connection end (A2); 2. sealing and connecting the sleeve connection end (A1) of the high voltage cable into a through-the-wall high voltage sleeve tube (2) in an inner connection mode; and 3. connecting the transformer connection end (A2) of the high voltage cable into a high voltage connector (3) in an inner connection mode. Therefore, the invention is high in safety, and avoids the risk of electric shock occurrence by adopting sealed inner connection mode.
Description
Technical field
The invention relates to a kind of method of attachment, especially about the method for attachment of the high-tension cable in a kind of electric locomotive.
Background technology
The high-tension cable A of use for electric locomotive, as shown in Figure 1, generally comprise in regular turn from inside to outside from interior conductor 11, conductor semi-conductive layer (claim not only conductor shield) 12, insulating barrier 13, insulation semi-conductive layer (but also claiming insulation screen) 14, metal outer shielding layer 15 and the oversheath 16 of comprising successively outward.The main effect of high-tension cable is that the 25KV power supply with electrical network penetrates in the electric locomotive, and therefore, the quality that high-tension cable connects is one of the major reason that whether can normally move of decision electric locomotive.
At present, 25kV voltage through walls utilizes high-tension current inductor M to insert in the locomotive in the electric locomotive, as shown in Figure 2, the side of this instrument transformer M is a copper rod M1 (being high-voltage terminal), and pass through this copper rod M1 25kV voltage is introduced in the locomotive, in locomotive, receive on the terminal of transformer with bus or copper rod.
This kind connected mode makes high-voltage terminal (copper rod) M1 be exposed in the interior air of locomotive, causes shock hazard easily, personal safety is had adverse influence, and easily electric equipment is on every side produced interference, influences the normal function of locomotive.In addition, owing to expose the electric clearance big in the high-tension apparatus operate as normal and the requirement of creepage distance, near scope very big link can not be arranged any equipment, and this has higher requirement again for the apparatus arrangement of the electric locomotive of space compactness.
Therefore, be necessary to provide the method for attachment of the high-tension cable in a kind of novel electric locomotive, to overcome above-mentioned defective.
Summary of the invention
The objective of the invention is, the method for attachment of the high-tension cable in a kind of electric locomotive is provided, it improves its fail safe with inner ways of connecting, and can save installing space.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize, the method for attachment of the high-tension cable in a kind of electric locomotive is characterized in that, may further comprise the steps:
A, provide high-tension cable, this high-tension cable is from interior conductor, conductor semi-conductive layer, insulating barrier, insulation semi-conductive layer, metal outer shielding layer and the oversheath of comprising successively outward, and an end of this high-tension cable is the sleeve pipe link, and the other end is the transformer link;
The sleeve pipe link of B, this high-tension cable inserts in the wall-penetrating type bushing with the inner connecting way sealing;
The transformer link of C, this high-tension cable inserts in the high-tension connector with inner connecting way.
In preferred implementation, further comprising the steps of among the above-mentioned steps B:
B1, this high-tension cable of straightening are inserted in the assembly that is tightly connected from this bushing link;
B2, remove this high-tension cable bushing link end axially on one section oversheath, expose the metal outer shielding layer, draw outward after the shielding braid line of metal outer shielding layer is untied;
B3, peel off insulation semi-conductive layer, insulating barrier and conductor semi-conductive layer successively on the end of the bushing link from high-tension cable again, to expose one section conductor;
B4, first crimp type terminal that will connect usefulness are enclosed within on the above-mentioned conductor, and it is compressed;
B5, on the above-mentioned metal outer shielding layer that still exposes, and stripping the insulation semi-conductive layer, to expose one section insulating barrier near an end of this first crimp type terminal;
B6, the insulating barrier that exposes among the above-mentioned steps B5 is cleaned and further insulation processing;
B7, the high-tension cable of handling among the above-mentioned steps B6 is inserted in the bushing, makes the fixedly connected hermetically above-mentioned assembly that is tightly connected of an end of bushing, the other end is the outlet bar, and this outlet bar is threaded with above-mentioned first crimp type terminal;
B8, the shielding braid line that draws outward among the above-mentioned steps B2 is formed one first litzendraht wire;
B9, be inserted in a wire clamp from this bushing link, mobile said fixing is connecting the position of the assembly that is tightly connected of bushing, and the assembly that is tightly connected is fixedlyed connected with this wire clamp;
B10, the earth connection terminal of above-mentioned first litzendraht wire is screwed on the ground connection screw of wire clamp, and stop nut is inserted on the outlet bar.
In preferred implementation, the above-mentioned assembly that is tightly connected comprises first sealing gasket, the base plate and second sealing gasket is installed, and the three is inserted in from this bushing link successively.
In preferred implementation, above-mentioned steps B6 comprises step: with the surface of cleaning agent or the above-mentioned insulating barrier of alcohol wash, and smear one deck semiconductive varnish at this surface of insulating layer, wait drying after, smear one deck semiconductive varnish again.
In preferred implementation, above-mentioned steps B8 comprises step: the shielding braid line that draws outward among the above-mentioned steps B2 is weaved into one, and cut suitable length, press connector lug, form first litzendraht wire, be with heat-shrink tube at the first litzendraht wire outer surface.
In preferred implementation, comprise step among the above-mentioned steps B7: earlier this bushing is cleaned, wall is coated the insulation silicone grease within it afterwards, then the high-tension cable of above-mentioned processing is inserted in the bushing again.
In preferred implementation, above-mentioned steps B7 also comprises step: be coated with sealing mud around this outlet bar, and be tightened on the outlet bar with packing ring.
In preferred implementation, above-mentioned steps C is further comprising the steps of:
C1, this high-tension cable of straightening are removed one section oversheath on this high-tension connector link, expose the metal outer shielding layer, draw outward after the shielding braid line of metal outer shielding layer is untied;
C2, peel off insulation semi-conductive layer, insulating barrier and conductor semi-conductive layer successively from the end of the high-tension connector link of this high-tension cable again, to expose one section conductor;
C3, second crimp type terminal that will connect usefulness are enclosed within on the above-mentioned conductor, and it are compressed;
C4, on the above-mentioned metal outer shielding layer that still exposes, and strip one section insulation semi-conductive layer near an end of this second crimp type terminal, to expose one section insulating barrier;
C5, the insulating barrier that exposes among the above-mentioned steps C4 is cleaned and further insulation processing;
C6, the high-tension connector link of handling among the above-mentioned steps C5 is connected in the high-tension connector;
C7, the shielding braid line that draws outward among the above-mentioned steps C1 is formed second litzendraht wire that an outside is with heat-shrink tube, and its ground connection is handled.
In preferred implementation, above-mentioned steps C5 also comprises step: with the surface of cleaning agent or the above-mentioned insulating barrier of alcohol wash, and smear one deck semiconductive varnish at this surface of insulating layer, wait drying after, smear one deck semiconductive varnish again.
In preferred implementation, above-mentioned steps C6 also comprises step: high-tension connector is cleaned, and wall is coated the insulation silicone grease within it, the high-tension connector link that will handle again afterwards connects in the high-tension connector.
Characteristics of the present invention and advantage are:
1, safe, adopt the inner connecting way that seals to avoid taking place the danger of electric shock.
2, Electro Magnetic Compatibility is good, and built-in connected mode has reduced the interference to other electric equipment.
3, requirements of installation space is few, owing to adopted inner connecting way, the electric clearance required value reduces, and requirements of installation space is little, is convenient to the apparatus arrangement of locomotive.
4, connection flexibility height, owing to adopt the 25kV cable to connect roof sleeve pipe and transformer input, cable is soft comparatively speaking, is easy to arrange the flexibility height.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of high-tension cable;
Fig. 2 is the prior art constructions schematic diagram;
Fig. 3 is the structural representation after high-tension cable of the present invention connects bushing and high-tension connector;
Fig. 4 is in the bushing link and bushing connection procedure of high-tension cable of the present invention, the strip schematic diagram of high-tension cable;
Fig. 5 is the schematic diagram that the bushing link of high-tension cable of the present invention is connected with bushing, has put bushing;
Fig. 6 is the schematic diagram that the high-tension connector link of high-tension cable of the present invention is connected with high-tension connector, and high-tension cable through handling, does not also put high-tension connector;
Fig. 7 is the schematic diagram that the high-tension connector link of high-tension cable of the present invention is connected with high-tension connector, has put high-tension connector.
Embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
The invention provides the method for attachment of the high-tension cable in a kind of electric locomotive, it may further comprise the steps, shown in Fig. 3,4:
A, provide high-tension cable A, this high-tension cable A is from interior conductor 11, conductor semi-conductive layer (claim not only conductor shield) 12, insulating barrier 13, insulation semi-conductive layer (but also claiming insulation screen) 14, metal outer shielding layer 15 and the oversheath 16 of comprising successively outward.The end of this high-tension cable A is bushing link A1, and the other end is high-tension connector link A2, shown in Fig. 4 (a);
The bushing link A1 of B, this high-tension cable A inserts in the wall-penetrating type bushing 2 with inner connecting way;
The high-tension connector link A2 of C, this high-tension cable A inserts in the high-tension connector 3 with inner connecting way.
To be elaborated with the method for attachment of wall-penetrating type bushing 2 and high-tension connector 3 respectively to high-tension cable A below.
Shown in Fig. 4,5, the bushing link A1 of high-tension cable A (generally using the 25KV high-tension cable in the electric locomotive) and the method for attachment of wall-penetrating type bushing 2 may further comprise the steps:
B1, this high-tension cable of straightening A, A1 is inserted in the assembly that is tightly connected from this bushing link, in the present embodiment, the sealing coupling assembling comprises first sealing gasket 21, the base plate 22 and second sealing gasket 23 is installed, and promptly is inserted in first sealing gasket 21 successively, the base plate 22 and second sealing gasket 23 are installed from bushing link A1;
B2, remove this high-tension cable A bushing link A1 the end axially on one section oversheath 16, expose metal outer shielding layer 15, draw outward after the shielding braid line of metal outer shielding layer 15 is untied, shown in Fig. 4 (b);
B3, peel off insulation semi-conductive layer 14, insulating barrier 13 and conductor semi-conductive layer 12 from the end of bushing link A1 successively again, to expose one section conductor 11, as Fig. 4 (c);
B4, be inserted in one first crimp type terminal 24 in above-mentioned conductor 11 outsides, instrument with Press Plier and so on compresses it, after this first crimp type terminal 24 is enclosed within conductor 11 outer being crimped, reach and make conductor 11 form hardwired purpose, referring to Fig. 4 (d), this first crimp type terminal 24 can be the crimping copper pipe or other can make conductor 11 hardwired parts with conducting function, and the crimping copper pipe is a prior art, and its structure is not described in detail; In the present embodiment, these first crimp type terminal, 24 ends are provided with external screw thread 241, and this external screw thread 241 is used for being threaded with the internal thread formation of outlet bar 25;
B5, on the above-mentioned metal outer shielding layer 15 that still exposes, and stripping one section insulation semi-conductive layer near an end of this first crimp type terminal 24, to expose one section insulating barrier 13, wherein, the preferable transition face 131 that forms inclined-plane or circular arc and so in insulating barrier 13 ends that strip out, in order to the installation of subsequent parts, shown in Fig. 4 (e);
B6, the insulating barrier 13 that exposes among the above-mentioned steps B5 is cleaned and further insulation processing; Particularly, it is the surface of cleaning earlier above-mentioned insulating barrier 13 with cleaning agent (for example acetone etc.) or alcohol etc., and smear one deck semiconductive varnish on these insulating barrier 13 surfaces, after drying, smear one deck semiconductive varnish again, air gap in dust out and the cable so effectively, thus make sleeve pipe link 2 be not easy conduction;
B7, can the high-tension cable A that handle among the above-mentioned steps B6 be inserted in the bushing 2 by instrument, make the fixedly connected above-mentioned installation base plate 22 of an end of this bushing 2, and can make bushing 2 and install between the base plate 22 by second sealing gasket 23 and be tightly connected, the other end of bushing 2 is an outlet bar 25, this outlet bar 25 is provided with internal thread, above-mentioned first crimp type terminal 24 this outlet bar 25 that is threaded;
And in preferred implementation, also comprise step: clean insulating barrier 13 once more, and earlier bushing 2 is cleaned, coat the insulation silicone grease at the inwall of bushing 2 afterwards, then the sleeve pipe link A1 of the high-tension cable A that will handle again is inserted in the bushing 2, so can further avoid the situation of sleeve pipe link A1 and bushing 2 junctions conduction to take place;
In better execution mode, around above-mentioned outlet bar 25, be coated with sealing mud, this sealing mud can seal the installation air gap between the union body of outlet bar and bushing 2, prevents the generation of discharging.And the M24 packing ring is tightened on the outlet bar 25 with spanner;
B8, the shielding braid line that draws outward among the above-mentioned steps B2 is weaved into one, and the length of cutting needs, press connector lug, form first litzendraht wire 151, put heat-shrink tube at first litzendraht wire, 151 outer surfaces, heat-shrink tube is generally made by PVC, PE, silica gel, PET, and its heating can be shunk diametrically, this heat-shrink tube can play the effect of bunch and insulation to first litzendraht wire 151, shrinks with hot-air syringe;
B9, be inserted in a wire clamp 26 from this bushing link A1, mobile said fixing is connecting the position of the assembly that is tightly connected of bushing 2, and the sealing coupling assembling is fixedlyed connected with wire clamp 26; In the present embodiment, it then is the position of the installation base plate 22 of the mobile said fixing assembly that is tightly connected that connecting bushing 2, after the installation screw of the installation screw of first sealing gasket 21 and wire clamp 26 is aimed at mutually, bolt is established installation screw into the two, tighten two pairs of bolts on the wire clamp 26, to fix first sealing gasket 21 and wire clamp 26;
B10, the earth connection terminal of first litzendraht wire 151 of high-tension cable is screwed on the wire clamp ground connection screw, and stop nut is inserted on the outlet bar 25.
As can be seen from the above description, the bushing link A1 of high-tension cable of the present invention and the connected mode of bushing 2 are inner connection modes of sealing, the conductor part that is cable socket is not exposed outside, and be provided in a side of in the bushing 2, make it safe, avoided taking place the danger of electric shock.
Shown in Fig. 6,7, the high-tension connector link A2 of high-tension cable A and the method for attachment and the said method of high-tension connector 3 are roughly the same, may further comprise the steps:
C1, this high-tension cable of straightening A remove one section oversheath 16 ' on this high-tension connector link A2, expose metal outer shielding layer 15 ', draw outward after the shielding braid line of metal outer shielding layer is untied;
C2, peel off insulation semi-conductive layer, insulating barrier and conductor semi-conductive layer successively from the end of the high-tension connector link A2 of this high-tension cable A again, to expose one section conductor 11 ';
C3, second crimp type terminal 31 that will connect usefulness are enclosed within on the above-mentioned conductor 11 ', and with the instrument of Press Plier and so on it are compressed;
C4, on the above-mentioned metal outer shielding layer 15 ' that still exposes, and stripping one section insulation semi-conductive layer near an end of this second crimp type terminal 31, to expose one section insulating barrier 13 ', the preferable transition face 131 ' that forms inclined-plane or circular arc and so in the insulating barrier 13 ' end that strips out is in order to the installation of subsequent parts;
C5, the insulating barrier that exposes 13 ' among the above-mentioned steps C4 is cleaned and further insulation processing; Particularly, clean the surface of above-mentioned insulating barrier 13 ', and smear one deck semiconductive varnish on this insulating barrier 13 ' surface with cleaning agent or alcohol etc., after drying, smear one deck semiconductive varnish again, the air gap in dust out and the cable so effectively, thus be not easy conduction;
In preferred implementation, also comprise step: clean insulating barrier 13 ' once more, the inwall of the high-tension connector 3 that cleaned is coated the insulation silicone grease;
C6, the high-tension connector link A2 of the high-tension cable A of above-mentioned processing is connected in the high-tension connector 3, the high-tension connector link A2 of its medium and high voltage cable A and the method for attachment of high-tension connector 3 can be known method, no longer describe in detail at this.
C7, the shielding braid line that draws outward among the above-mentioned steps C1 is formed second litzendraht wire 152 that an outside is with heat-shrink tube, and its ground connection is handled; Specifically be, the shielding braid line that draws is outward weaved into one, and cut the length of needs, press connector lug, form second litzendraht wire 152, put heat-shrink tube at the second litzendraht wire outer surface, heat-shrink tube can play the effect of bunch and insulation to second litzendraht wire 152 herein, shrinks with hot-air syringe.
As can be seen from the above description, the high-tension connector link A2 of high-tension cable of the present invention and the connected mode of high-tension connector 3 are inner connection modes of sealing, the conductor part that is cable socket is not exposed outside, but be located in the high-tension connector 3, make it safe, avoided taking place the danger of electric shock.
The above only is the schematic embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, equivalent variations and the modification done under the prerequisite that does not break away from design of the present invention and principle all should belong to the scope of protection of the invention.
Claims (9)
1. the method for attachment of the high-tension cable in the electric locomotive is characterized in that, may further comprise the steps:
A, provide high-tension cable (A), this high-tension cable is from interior conductor (11), conductor semi-conductive layer (12), insulating barrier (13), insulation semi-conductive layer (14), metal outer shielding layer (15) and the oversheath (16) of comprising successively outward, one end of this high-tension cable is sleeve pipe link (A1), and the other end is transformer link (A2);
The sleeve pipe link (A1) of B, this high-tension cable inserts in the wall-penetrating type bushing (2) with the inner connecting way sealing;
The transformer link (A2) of C, this high-tension cable inserts in the high-tension connector (3) with inner connecting way;
Wherein, further comprising the steps of among the above-mentioned steps B:
B1, this high-tension cable of straightening (A) are inserted in the assembly that is tightly connected from this bushing link (A1);
B2, remove this high-tension cable (A) bushing link (A1) end axially on one section oversheath (16), expose metal outer shielding layer (15), draw outward after the shielding braid line of metal outer shielding layer (15) is untied;
B3, peel off insulation semi-conductive layer (14), insulating barrier (13) and conductor semi-conductive layer (12) successively on the end of the bushing link (A1) from high-tension cable (A) again, to expose one section conductor (11);
B4, first crimp type terminal (24) that will connect usefulness are enclosed within on the above-mentioned conductor (11), and it is compressed;
B5, on the above-mentioned metal outer shielding layer (15) that still exposes, and stripping the insulation semi-conductive layer, to expose one section insulating barrier (13) near an end of this first crimp type terminal (24);
B6, the insulating barrier (13) that exposes among the above-mentioned steps B5 is cleaned and further insulation processing;
B7, the high-tension cable of handling among the above-mentioned steps B6 (A) is inserted in the bushing (2), make the fixedly connected hermetically above-mentioned assembly that is tightly connected of an end of bushing (2), the other end is outlet bar (25), and this outlet bar (25) is threaded with above-mentioned first crimp type terminal (24);
B8, the shielding braid line that draws outward among the above-mentioned steps B2 is formed one first litzendraht wire (151);
B9, be inserted in a wire clamp (27) from this bushing link (A1), mobile said fixing is connecting the position of the assembly that is tightly connected of bushing (2), and the assembly that is tightly connected is fixedlyed connected with this wire clamp (27);
B10, the earth connection terminal of above-mentioned first litzendraht wire (151) is screwed on the ground connection screw of wire clamp (27), and stop nut is inserted on the outlet bar (25).
2. the method for attachment of the high-tension cable in the electric locomotive as claimed in claim 1, it is characterized in that, the above-mentioned assembly that is tightly connected comprises first sealing gasket (21), base plate (22) and second sealing gasket (23) is installed, and the three is inserted in from this bushing link (A1) successively.
3. the method for attachment of the high-tension cable in the electric locomotive as claimed in claim 2, it is characterized in that, above-mentioned steps B6 comprises step: with the surface of cleaning agent or the above-mentioned insulating barrier of alcohol wash (13), and smear one deck semiconductive varnish on this insulating barrier (13) surface, after drying, smear one deck semiconductive varnish again.
4. the method for attachment of the high-tension cable in the electric locomotive as claimed in claim 1, it is characterized in that, above-mentioned steps B8 comprises step: the shielding braid line that draws outward among the above-mentioned steps B2 is weaved into one, and cut suitable length, press connector lug, form first litzendraht wire (151), be with heat-shrink tube at first litzendraht wire (151) outer surface.
5. the method for attachment of the high-tension cable in the electric locomotive as claimed in claim 1, it is characterized in that, comprise step among the above-mentioned steps B7: earlier this bushing (2) is cleaned, wall is coated the insulation silicone grease within it afterwards, then the high-tension cable (A) of above-mentioned processing is inserted in the bushing (2) again.
6. the method for attachment of the high-tension cable in the electric locomotive as claimed in claim 1 is characterized in that, above-mentioned steps B7 also comprises step: be coated with sealing mud around this outlet bar (25), and be tightened on the outlet bar (25) with packing ring.
7. the method for attachment of the high-tension cable in the electric locomotive as claimed in claim 1 is characterized in that above-mentioned steps C is further comprising the steps of:
C1, this high-tension cable of straightening are removed one section oversheath on this high-tension connector link (A2), expose the metal outer shielding layer, draw outward after the shielding braid line of metal outer shielding layer is untied;
C2, peel off insulation semi-conductive layer, insulating barrier and conductor semi-conductive layer successively from the end of the high-tension connector link (A2) of this high-tension cable (A) again, to expose one section conductor (11 ');
C3, second crimp type terminal (31) that will connect usefulness are enclosed within on the above-mentioned conductor (11 '), and it are compressed;
C4, on the above-mentioned metal outer shielding layer (15 ') that still exposes, and strip one section insulation semi-conductive layer near an end of this second crimp type terminal (31), to expose one section insulating barrier (13 ');
C5, the insulating barrier (13 ') that exposes among the above-mentioned steps C4 is cleaned and further insulation processing;
C6, the high-tension connector link of handling among the above-mentioned steps C5 (A2) is connected in the high-tension connector (3);
C7, the shielding braid line that draws outward among the above-mentioned steps C1 is formed second litzendraht wire that an outside is with heat-shrink tube, and its ground connection is handled.
8. the method for attachment of the high-tension cable in the electric locomotive as claimed in claim 7, it is characterized in that, above-mentioned steps C5 also comprises step: with the surface of cleaning agent or the above-mentioned insulating barrier of alcohol wash (13 '), and smear one deck semiconductive varnish on this insulating barrier (13 ') surface, after drying, smear one deck semiconductive varnish again.
9. the method for attachment of the high-tension cable in the electric locomotive as claimed in claim 7, it is characterized in that, above-mentioned steps C6 also comprises step: high-tension connector (3) is cleaned, and wall is coated the insulation silicone grease within it, and the high-tension connector link (A2) that will handle again afterwards connects in the high-tension connector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101443586A CN101640393B (en) | 2008-07-28 | 2008-07-28 | Connection method of high voltage cable on electromotive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101443586A CN101640393B (en) | 2008-07-28 | 2008-07-28 | Connection method of high voltage cable on electromotive |
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| CN101640393A CN101640393A (en) | 2010-02-03 |
| CN101640393B true CN101640393B (en) | 2011-05-04 |
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| CN2008101443586A Expired - Fee Related CN101640393B (en) | 2008-07-28 | 2008-07-28 | Connection method of high voltage cable on electromotive |
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| CN102815309B (en) * | 2011-06-09 | 2015-06-24 | 中国北车集团大同电力机车有限责任公司 | Method for laying cables for electric locomotive |
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| CN107425502B (en) * | 2017-06-21 | 2023-03-24 | 贵州航天南海科技有限责任公司 | Cable routing device of transverse vehicle carrying plate |
| CN108306232A (en) * | 2017-12-20 | 2018-07-20 | 国网山东省电力公司聊城供电公司 | A kind of mechanical fasteners formula cable waterproof clutch and its application method |
| CN117353128B (en) * | 2023-11-23 | 2024-03-26 | 江苏博之旺自动化设备有限公司 | Cable shielding net cutting equipment and method |
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| CN2912053Y (en) * | 2006-06-22 | 2007-06-13 | 浙江永锦电力器材有限公司 | 66/110kV silicon rubber integrally prefabricating cable terminal |
| CN201038700Y (en) * | 2007-04-28 | 2008-03-19 | 江苏安靠超高压电缆附件有限公司 | Cable terminal tail pipe and cable aluminum sheath connection device |
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| Publication number | Publication date |
|---|---|
| CN101640393A (en) | 2010-02-03 |
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