CN112037995A - Cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable - Google Patents
Cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable Download PDFInfo
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- CN112037995A CN112037995A CN202010895353.8A CN202010895353A CN112037995A CN 112037995 A CN112037995 A CN 112037995A CN 202010895353 A CN202010895353 A CN 202010895353A CN 112037995 A CN112037995 A CN 112037995A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/025—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of helicoidally wound wire-conductors
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Abstract
The invention discloses a cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable which comprises main lines, wherein a zero line is arranged in an included angle formed between two groups of main lines, insulating cloth is wound on the outer surfaces of the main lines and the zero line, rubber is filled in gaps among a plurality of groups of insulating cloth, an inner sleeve is arranged on the outer side of the rubber, eight groups of placing grooves are formed in the surface of the inner sleeve, copper needles are arranged in the placing grooves, copper wires are wound on the surfaces of the copper needles, a clamping block is arranged on one side of the inner sleeve, spiral grooves are formed in the positions, close to two ends, of the surface of the clamping block, and a clamping groove is formed; the shielding device has good shielding effect, can effectively reduce the influence of an external electromagnetic field on the cable, can prevent the cable from radiating electromagnetic energy outwards, can well protect the main line and the zero line exposed at the two ends of the cable, and can prevent the main line and the zero line from being scratched in the moving and placing processes.
Description
Technical Field
The invention belongs to the field of variable frequency power cables, and particularly relates to a cross-linked polyethylene insulated flame-retardant polyvinyl chloride sheathed variable frequency power cable.
Background
The structure of the variable frequency power cable comprises three main line insulated wires and three zero line insulated wires, an inner winding layer, a copper tape layer, an outer winding layer and an outer sheath layer are sequentially arranged outside the main line insulated wires and the zero line insulated wires to form a 3+3 wire core structure, so that the cable has stronger voltage impact resistance, can bear pulse voltage during high-speed frequent frequency conversion, and plays a good role in protecting variable frequency electrical appliances.
The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable in the market has poor shielding effect, the influence of an external electromagnetic field on the cable and the electromagnetic energy radiated outside by the cable cannot be effectively reduced, a main line and a zero line exposed at two ends of the cable have no good protection measures, and the cable is easy to scratch in the moving and placing processes.
Disclosure of Invention
The invention aims to provide a cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable, which aims to solve the problems that the cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable in the market proposed in the background technology has poor shielding effect, cannot effectively reduce the influence of an external electromagnetic field on the cable and the electromagnetic energy radiated outside by the cable, has no good protection measures for a main line and a zero line exposed at two ends of the cable, and is easy to scratch in the moving and placing processes.
In order to achieve the purpose, the invention provides the following technical scheme: a cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable comprises main lines, wherein a zero line is arranged in an included angle formed between two groups of main lines, insulating cloth is wound on the outer surfaces of the main lines and the zero line, rubber is filled in gaps among a plurality of groups of insulating cloth, and an inner sleeve is arranged on the outer side of the rubber;
eight groups of placing grooves are formed in the surface of the inner sleeve, copper needles are arranged in the placing grooves, copper wires are wound on the surfaces of the copper needles, a clamping block is arranged on one side of the inner sleeve, screw grooves are formed in the positions, close to the two ends, of the surface of the clamping block, a clamping groove is formed in the other side of the inner sleeve, two groups of plastic screws penetrate through the position, close to the other side, of the surface of the inner sleeve, and a connecting block is arranged at the position, close to the edge;
the connecting block opposite side is provided with the interlock board, the spread groove has been seted up to interlock board one side, be provided with the interlock axle between the spread groove lateral wall, interlock board opposite side is provided with vertical axis, vertical axis one side is provided with the copper strips, the copper strips lateral surface is provided with the overcoat.
As a further scheme of the invention: the utility model discloses a slide, including overcoat side, riser, horizontal axle, horizontal slide, vertical slider both sides, the overcoat side is close to both ends position and all is provided with the riser, riser one side is provided with the horizontal axle, horizontal axle one side is provided with the diaphragm, the spout has been seted up to the diaphragm side, the slide has all been seted up to two inside walls of spout, the inside vertical slider that is provided with of spout, the position that the spout inside wall is close to in vertical slider both sides all is provided with horizontal slider, vertical.
As a further scheme of the invention: the three groups of main lines are arranged in a triangular shape, the main lines and the zero lines are arranged in a staggered mode, and the main lines, the zero lines and the insulating cloth jointly form an inner core of the cable.
As a further scheme of the invention: the clamping block and the clamping groove are matched with each other, the inner sleeve forms a hollow cylindrical structure through the clamping block matched with the clamping groove, the plastic screw penetrates through the inner sleeve and the screw groove to be movably arranged with the clamping block, and the upper end of the plastic screw is flush with the surface of the inner sleeve.
As a further scheme of the invention: the copper strips are woven by a plurality of groups of copper wires, the copper needles, the copper wires and the copper strips jointly form a shielding layer, linkage grooves are formed in the upper ends of the connecting blocks in a penetrating mode, the connecting blocks are matched with the linkage shafts through the linkage grooves and movably arranged inside the connecting grooves, the copper strips are movably arranged through vertical shafts and the linkage plates, and the copper strips are the same as the inner sleeves in size.
As a further scheme of the invention: the diaphragm passes through the cross axle and the riser activity sets up, horizontal slider activity sets up inside the slide, vertical slider slides around through horizontal slider cooperation slide along the spout.
As a further scheme of the invention: the vertical sliding block is movably arranged with the protective sleeve through the cooperation of the arc-shaped sliding plate and the arc-shaped groove, the protective sleeve is in threaded connection with the outer sleeve, and the protective sleeve is movably arranged with the vertical plate through the cooperation of the transverse plate and the transverse shaft.
As a further scheme of the invention: the use method of the variable-frequency power cable comprises the following specific steps:
the method comprises the following steps: firstly, three groups of main lines wound with insulating cloth are arranged in a triangular shape, the other three groups of zero lines wound with insulating cloth are respectively arranged between the two groups of main lines, the main lines and the zero lines are tightly attached, an interlocking plate is rotated to a position vertical to the inner sleeve through the interlocking shaft and a connecting block, a copper strip is rotated to be tightly attached to the surface of the inner sleeve through a vertical shaft, then the inner sleeve is bent along the outer surfaces of the three groups of main lines, the inner side surface of the inner sleeve is attached to the outer surfaces of the three groups of main lines, at the moment, a clamping block is inserted into the clamping groove, a plastic screw penetrates through the inner sleeve and a screw groove and is movably arranged with the clamping block, rubber is filled in gaps among the inner sleeve;
step two: and finally, the transverse plates are rotated to the positions where the vertical plates are vertical to each other through the transverse shafts, and the transverse plates are installed at the two ends of the outer sleeve through rotating the protective sleeves.
Compared with the prior art, the invention has the beneficial effects that:
1. be provided with the copper needle of copper line through setting up the copper strips and winding, make the interlock board rotatory to the position with endotheca mutually perpendicular through interlock axle cooperation connecting block, rethread vertical axis is rotatory to closely laminate with the endotheca surface with the copper strips, later along three group's thread surface bending endotheca, make its medial surface all laminate with three group's thread surfaces, insert the fixture block inside the draw-in groove this moment, and pass plastic screw endotheca and thread groove and fixture block activity setting, wherein the copper strips is woven by a plurality of groups copper wire and is made, the inside copper needle that the winding was provided with the copper line that is provided with of standing groove of seting up on the endotheca, the copper needle, copper line and copper strips constitute the shielding layer jointly, compare with traditional cable, this shielding layer structure has shielding effect well, can reduce the influence of external electromagnetic field to the.
2. Through all being provided with the lag at the cable both ends, rotate the diaphragm to riser mutually perpendicular's position through the cross axle, rotatory lag, the lag is rotatory along vertical slider through arc type groove cooperation arc type slide this moment, wherein lag and overcoat threaded connection, slide along the diaphragm through horizontal slider at the rotatory in-process vertical slider of lag, make the lag can establish gradually at the overcoat both ends, can expose thread and zero line outside to the cable both ends and play the guard action well, prevent that it from removing and placing the in-process and being scraped the damage.
Drawings
Fig. 1 is a schematic view of the overall internal structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
FIG. 3 is a schematic view of the structure of the horizontal plate of the present invention.
Fig. 4 is a partial structural view of the present invention.
FIG. 5 is a schematic view of the inner sleeve and copper strip configuration of the present invention.
FIG. 6 is a schematic view of the copper strip of the present invention.
FIG. 7 is a schematic view showing the structure of the inner sleeve of the present invention
FIG. 1, main line; 2. a zero line; 3. insulating cloth; 4. rubber; 5. an inner sleeve; 6. a placement groove; 7. a copper needle; 8. a copper wire; 9. a clamping block; 10. a screw groove; 11. a card slot; 12. plastic screws; 13. connecting blocks; 14. a linkage plate; 15. connecting grooves; 16. a linkage shaft; 17. a vertical axis; 18. copper strips; 19. a jacket; 20. a vertical plate; 21. a horizontal axis; 22. a transverse plate; 23. a chute; 24. a slideway; 25. a vertical slide block; 26. a transverse slide block; 27. an arc-shaped sliding plate; 28. a protective sleeve; 29. an arc-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, a cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable frequency power cable comprises main lines 1, wherein a zero line 2 is arranged in an included angle formed between two groups of main lines 1, insulating cloth 3 is wound on the outer surfaces of the main lines 1 and the zero line 2, gaps among a plurality of groups of insulating cloth 3 are filled with rubber 4, and an inner sleeve 5 is arranged on the outer side of the rubber 4;
as shown in fig. 5-7, eight sets of placing grooves 6 are formed in the surface of the inner sleeve 5, copper needles 7 are arranged in the placing grooves 6, copper wires 8 are wound on the surfaces of the copper needles 7, a clamping block 9 is arranged on one side of the inner sleeve 5, screw grooves 10 are formed in positions, close to two ends, of the surface of the clamping block 9, a clamping groove 11 is formed in the other side of the inner sleeve 5, two sets of plastic screws 12 penetrate through the surface of the inner sleeve 5, and a connecting block 13 is arranged at a position, close to the edge, of one side;
as shown in fig. 6, the other side of the connecting block 13 is provided with a linking plate 14, one side of the linking plate 14 is provided with a connecting groove 15, a linking shaft 16 is arranged between the side walls of the connecting groove 15, the other side of the linking plate 14 is provided with a vertical shaft 17, one side of the vertical shaft 17 is provided with a copper strip 18, and the outer side of the copper strip 18 is provided with an outer sleeve 19.
As shown in fig. 1-3, risers 20 are arranged on the side surfaces of the outer sleeve 19 close to the two ends, a transverse shaft 21 is arranged on one side of each riser 20, a transverse plate 22 is arranged on one side of each transverse shaft 21, a sliding groove 23 is formed in the side surface of each transverse plate 22, sliding ways 24 are formed in two inner side walls of each sliding groove 23, a vertical sliding block 25 is arranged inside each sliding groove 23, transverse sliding blocks 26 are arranged on the two sides of each vertical sliding block 25 close to the inner side walls of each sliding groove 23, an arc-shaped sliding plate 27 is arranged at the upper end of each vertical sliding block 25, protective sleeves 28 are.
The three groups of main lines 1 are arranged in a triangular shape, the main lines 1 and the zero lines 2 are arranged in a staggered mode, and the main lines 1, the zero lines 2 and the insulating cloth 3 jointly form an inner core of the cable.
The clamping block 9 is matched with the clamping groove 11, the inner sleeve 5 is matched with the clamping groove 11 through the clamping block 9 to form a hollow cylindrical structure, the plastic screw 12 penetrates through the inner sleeve 5 and the screw groove 10 to be movably arranged with the clamping block 9, and the upper end of the plastic screw 12 is flush with the surface of the inner sleeve 5.
The copper strip 18 is made by weaving a plurality of groups of copper wires, the copper needle 7, the copper wire 8 and the copper strip 18 jointly form a shielding layer, the upper end of the connecting block 13 is provided with a linkage groove in a penetrating way, the connecting block 13 is movably arranged inside the connecting groove 15 by the linkage groove in cooperation with the linkage shaft 16, the copper strip 18 is movably arranged with the linkage plate 14 by the vertical shaft 17, the size of the copper strip 18 is the same as that of the inner sleeve 5, the clamping block 9 is inserted into the clamping groove 11, and the plastic screw 12 passes through the inner sleeve 5 and the screw groove 10 and is movably, wherein the copper strip 18 is made of a plurality of groups of copper wires by weaving, the copper needle 7 wound with the copper wire 8 is arranged in the placing groove 6 arranged on the inner sleeve 5, the copper needle 7, the copper wire 8 and the copper strip 18 jointly form a shielding layer, compared with the traditional cable, the shielding layer structure has good shielding effect, can effectively reduce the influence of an external electromagnetic field on the cable, and can also prevent the cable from radiating electromagnetic energy outwards.
The transverse plate 22 is movably arranged with the vertical plate 20 through the transverse shaft 21, the transverse slide block 26 is movably arranged in the slide way 24, and the vertical slide block 25 is matched with the slide way 24 through the transverse slide block 26 and slides back and forth along the slide groove 23.
The working principle of the cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable is as follows: firstly, three groups of main lines 1 wound with insulating cloth 3 are arranged in a triangle shape, the other three groups of zero lines 2 wound with insulating cloth 3 are respectively arranged between the two groups of main lines 1, the main lines 1 and the zero lines 2 are tightly jointed, a coupling shaft 16 is matched with a connecting block 13 to enable a coupling plate 14 to rotate to a position vertical to an inner sleeve 5, a copper belt 18 is rotated to be tightly jointed with the surface of the inner sleeve 5 through a vertical shaft 17, then the inner sleeve 5 is bent along the outer surfaces of the three groups of main lines 1 to enable the inner side surface to be jointed with the outer surfaces of the three groups of main lines 1, at the moment, a clamping block 9 is inserted into a clamping groove 11, a plastic screw 12 is movably arranged with the clamping block 9 through the inner sleeve 5 and a spiral groove 10, wherein the copper belt 18 is woven by a plurality of groups of copper wires, a copper needle 7 wound with a copper wire 8 is arranged in a placing groove 6 arranged on, compared with the traditional cable, the shielding layer structure has good shielding effect, can effectively reduce the influence of an external electromagnetic field on the cable, and can also prevent the cable from radiating electromagnetic energy outwards, the rubber 4 is filled in the gap between the inner sleeve 5 and the mainline 1 and the zero line 2, the outer sleeve 19 is sleeved on the outer surface of the copper strip 18, the transverse plate 22 is rotated to the position where the vertical plates 20 are vertical to each other through the transverse shaft 21, the protective sleeve 28 is rotated, at the moment, the protective sleeve 28 is matched with the arc-shaped sliding plate 27 through the arc-shaped groove 29 to rotate along the vertical sliding block 25, the protective sleeve 28 is in threaded connection with the outer sleeve 19, the vertical sliding block 25 slides along the transverse plate 22 through the transverse sliding block 26 in the rotating process of the protective sleeve 28, so that the protective sleeve 28 can be gradually sleeved at the two ends of the outer sleeve 19, the mainline 1 and the zero line 2 exposed at the two ends of the, the protective sleeve 28 may be removed as needed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (8)
1. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable is characterized by comprising main lines (1), wherein a zero line (2) is arranged in an included angle formed between two groups of the main lines (1), insulating cloth (3) is wound on the outer surfaces of the main lines (1) and the zero line (2), rubber (4) is filled in gaps among a plurality of groups of the insulating cloth (3), and an inner sleeve (5) is arranged on the outer side of the rubber (4);
eight groups of placing grooves (6) are formed in the surface of the inner sleeve (5), copper needles (7) are arranged in the placing grooves (6), copper wires (8) are wound on the surface of each copper needle (7), a clamping block (9) is arranged on one side of the inner sleeve (5), screw grooves (10) are formed in the positions, close to two ends, of the surface of each clamping block (9), clamping grooves (11) are formed in the other side of the inner sleeve (5), two groups of plastic screws (12) penetrate through the positions, close to the other side, of the surface of the inner sleeve (5), and connecting blocks (13) which are the same are arranged on one side of the inner sleeve (5);
connecting block (13) opposite side is provided with linkage board (14), connecting groove (15) have been seted up to linkage board (14) one side, be provided with between connecting groove (15) the lateral wall linkage axle (16), linkage board (14) opposite side is provided with vertical axis (17), vertical axis (17) one side is provided with copper strips (18), copper strips (18) lateral surface is provided with overcoat (19).
2. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable frequency power cable according to claim 1, it is characterized in that the lateral surface of the coat (19) is provided with vertical plates (20) near the two ends, a transverse shaft (21) is arranged on one side of the vertical plate (20), a transverse plate (22) is arranged on one side of the transverse shaft (21), a sliding chute (23) is arranged on the lateral surface of the transverse plate (22), two inner side walls of the sliding chute (23) are both provided with a slide way (24), a vertical sliding block (25) is arranged in the sliding chute (23), transverse sliding blocks (26) are arranged at the positions, close to the inner side wall of the sliding chute (23), of the two sides of the vertical sliding block (25), the arc-shaped sliding plate is arranged at the upper end of the vertical sliding block (25), the two ends of the outer sleeve (19) are both sleeved with protective sleeves (28), and arc-shaped grooves (29) are formed in the side faces of the protective sleeves (28).
3. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable frequency power cable according to claim 1, wherein three groups of main wires (1) are arranged in a triangular shape, the main wires (1) and the zero wires (2) are arranged in a staggered manner, and the main wires (1), the zero wires (2) and the insulating cloth (3) together form an inner core of the cable.
4. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable frequency power cable according to claim 1, wherein the clamping block (9) and the clamping groove (11) are matched with each other, the inner sleeve (5) is matched with the clamping groove (11) through the clamping block (9) to form a hollow cylindrical structure, the plastic screw (12) penetrates through the inner sleeve (5) and the screw groove (10) to be movably arranged with the clamping block (9), and the upper end of the plastic screw (12) is flush with the surface of the inner sleeve (5).
5. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable frequency power cable according to claim 1, wherein the copper strip (18) is woven by a plurality of groups of copper wires, the copper needle (7), the copper wire (8) and the copper strip (18) jointly form a shielding layer, a linkage groove is formed in the upper end of the connecting block (13) in a penetrating mode, the connecting block (13) is movably arranged inside the connecting groove (15) through the linkage groove in cooperation with the linkage shaft (16), the copper strip (18) is movably arranged with the linkage plate (14) through the vertical shaft (17), and the copper strip (18) and the inner sleeve (5) are the same in size.
6. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable frequency power cable according to claim 2, wherein the transverse plate (22) is movably arranged with the vertical plate (20) through a transverse shaft (21), the transverse sliding block (26) is movably arranged inside the sliding channel (24), and the vertical sliding block (25) is matched with the sliding channel (24) through the transverse sliding block (26) to slide back and forth along the sliding channel (23).
7. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable frequency power cable according to claim 2, wherein the vertical sliding block (25) is movably arranged with the protective sheath (28) through an arc-shaped sliding plate (27) matching with an arc-shaped groove (29), the protective sheath (28) is in threaded connection with the outer sheath (19), and the protective sheath (28) is movably arranged with the vertical plate (20) through a transverse plate (22) matching with a transverse shaft (21).
8. The cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable frequency power cable according to claim 1, wherein the application method of the variable frequency power cable comprises the following specific steps:
the method comprises the following steps: firstly, three groups of main lines (1) wound with insulating cloth (3) are arranged in a triangular shape, the other three groups of zero lines (2) wound with the insulating cloth (3) are respectively arranged between the two groups of main lines (1), the main lines (1) and the zero lines (2) are tightly attached, a linkage plate (14) is rotated to a position vertical to the inner sleeve (5) by a linkage shaft (16) matching with a connecting block (13), a copper strip (18) is rotated to be tightly attached to the surface of the inner sleeve (5) by a vertical shaft (17), the inner sleeve (5) is bent along the outer surfaces of the three groups of main lines (1), the inner side surface of the inner sleeve is attached to the outer surfaces of the three groups of main lines (1), at the moment, a clamping block (9) is inserted into a clamping groove (11), a plastic screw (12) is movably arranged with the clamping block (9) through the inner sleeve (5) and a screw groove (10), and rubber (4) is filled in gaps between the inner sleeve (5) and the main lines (1, then the outer sleeve (19) is sleeved on the outer surface of the copper strip (18);
step two: finally, the transverse plate (22) is rotated to a position where the vertical plates (20) are perpendicular to each other by the transverse shaft (21), and the cover is attached to both ends of the outer cover (19) by rotating the cover (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895353.8A CN112037995B (en) | 2020-08-31 | 2020-08-31 | Cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895353.8A CN112037995B (en) | 2020-08-31 | 2020-08-31 | Cross-linked polyethylene insulation flame-retardant polyvinyl chloride sheath variable-frequency power cable |
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| Publication Number | Publication Date |
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| CN112037995A true CN112037995A (en) | 2020-12-04 |
| CN112037995B CN112037995B (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040050582A1 (en) * | 2002-09-12 | 2004-03-18 | Nexans | Electric cable for connection of mobile electric consumers |
| CN102751026A (en) * | 2012-07-20 | 2012-10-24 | 安徽江淮电缆集团有限公司 | Environment-friendly digital symmetrical cable |
| CN104103357A (en) * | 2014-06-26 | 2014-10-15 | 安徽华通电缆集团有限公司 | Cold- and high temperature-resistant power cable |
| CN104217803A (en) * | 2014-08-29 | 2014-12-17 | 安徽华菱电缆集团有限公司 | Special cable for slag cars |
| CN105825920A (en) * | 2016-05-16 | 2016-08-03 | 新宇电缆集团股份有限公司 | Rechargeable cable for new energy vehicle |
| CN205881527U (en) * | 2016-06-17 | 2017-01-11 | 安徽天康集团数据线缆有限公司 | Ethernet is with six types of shield symmetry numbers according to cable |
| CN206480424U (en) * | 2017-03-02 | 2017-09-08 | 北京鸿讯基业通信设备检测有限公司 | Cold-resistant communication cable |
-
2020
- 2020-08-31 CN CN202010895353.8A patent/CN112037995B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040050582A1 (en) * | 2002-09-12 | 2004-03-18 | Nexans | Electric cable for connection of mobile electric consumers |
| CN102751026A (en) * | 2012-07-20 | 2012-10-24 | 安徽江淮电缆集团有限公司 | Environment-friendly digital symmetrical cable |
| CN104103357A (en) * | 2014-06-26 | 2014-10-15 | 安徽华通电缆集团有限公司 | Cold- and high temperature-resistant power cable |
| CN104217803A (en) * | 2014-08-29 | 2014-12-17 | 安徽华菱电缆集团有限公司 | Special cable for slag cars |
| CN105825920A (en) * | 2016-05-16 | 2016-08-03 | 新宇电缆集团股份有限公司 | Rechargeable cable for new energy vehicle |
| CN205881527U (en) * | 2016-06-17 | 2017-01-11 | 安徽天康集团数据线缆有限公司 | Ethernet is with six types of shield symmetry numbers according to cable |
| CN206480424U (en) * | 2017-03-02 | 2017-09-08 | 北京鸿讯基业通信设备检测有限公司 | Cold-resistant communication cable |
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| Publication number | Publication date |
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| CN112037995B (en) | 2022-04-08 |
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