CN110120277A - A kind of ocean engineering medium voltage variable frequency power cable and its manufacturing method - Google Patents
A kind of ocean engineering medium voltage variable frequency power cable and its manufacturing method Download PDFInfo
- Publication number
- CN110120277A CN110120277A CN201910434864.7A CN201910434864A CN110120277A CN 110120277 A CN110120277 A CN 110120277A CN 201910434864 A CN201910434864 A CN 201910434864A CN 110120277 A CN110120277 A CN 110120277A
- Authority
- CN
- China
- Prior art keywords
- cable core
- cable
- outside
- twisted
- conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000004020 conductor Substances 0.000 claims abstract description 70
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052802 copper Inorganic materials 0.000 claims abstract description 51
- 239000010949 copper Substances 0.000 claims abstract description 51
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007747 plating Methods 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 21
- 238000012856 packing Methods 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 12
- 238000004026 adhesive bonding Methods 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 10
- 150000002367 halogens Chemical class 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 238000003913 materials processing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000000116 mitigating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 6
- 238000005457 optimization Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
-
- 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
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- 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
Abstract
The invention discloses a kind of ocean engineering medium voltage variable frequency power cables, including cable body, the cable body includes cable core, inner sheath, armor and outer jacket, the outside of cable core is successively set with connection inner sheath, armor and outer jacket, cable core is twisted by three groups of insulated wire cores, the tin plating circle that is internally provided with of insulated wire cores presses tinned copper conductor, and the outer layer of copper conductor is disposed with conductor shield, crosslinked polyetylene insulated layer, insulation screen and metal screen layer.Conductor presses tinned copper conductor structure using 2 type lines, since fill factor reaches 97% or more, under same nominal section and direct current resistance requirement, molded line conductor structure has lesser conductor diameter, the weight of insulating layer and oversheath can also reduce, and reduce cable finished product outer diameter and mitigation cable overall weight to reach.The shielding of cable split-phase by the wrapped shielding of traditional copper strips be changed to tinned copper wire dredge around with the wrapped shielding of copper strips, increase shield effectiveness.
Description
Technical field
The present invention relates to a kind of power cables, and in particular to a kind of ocean engineering medium voltage variable frequency power cable and its manufacture
Method belongs to marine cable application field.
Background technique
With the increase of industrial electricity load, big-power transducer and variable-frequency motor are widely used, and are made in ocean engineering
It is also more and more with frequency conversion equipment.
Through retrieving, application No. is 201120222467.2 Chinese patent, a kind of ship and ocean engineering are disclosed with hard
The ethylene propylene rubber insulated power cable of matter.Conductor periphery coats hard ethylene propylene rubber insulated layer and constitutes insulation core wire, and three described exhausted
Cable is constituted after edge core wire is twisted, the periphery of the cable is extruded with low smoke and zero halogen liner layer, the low smoke and zero halogen liner layer
Periphery is surrounded with non-hygroscopic isolation strip, and the periphery of the non-hygroscopic isolation strip is coated with metal armor layers, the metal armour
The periphery for filling layer is equipped with longitudinal wrap mylar tape, and the periphery of the longitudinal wrap mylar tape is extruded with low smoke and zero halogen oversheath.
Power cable in above-mentioned patent has the following disadvantages, and the main loop cabling for connecting variable-frequency motor and frequency converter is passing
Transmission of electricity can generate higher hamonic wave and square wave in the process, can interfere to weak electricity system around, according to common ocean engineering
Medium-pressure power cable, due to not can guarantee higher hamonic wave and square wave leakage, so weak electricity system around can still be had an impact,
Influence the control of its signal and transmission.Existing cable is on the make outside cable core without overlay film and twisted simultaneously, cable core it is close
Degree and external flatness cannot be guaranteed, and work in-process working efficiency is not high, influence the installation cladding of cable core subsequent material, cable
The safety of core is not high.
Summary of the invention
The purpose of the present invention is to provide a kind of ocean engineering medium voltage variable frequency power cable and its manufacturing methods, it can
The main loop cabling for solving existing connection variable-frequency motor and frequency converter can generate higher hamonic wave and side in transmission power process
Wave can interfere weak electricity system around, humorous due to not can guarantee high order according to common ocean engineering medium-pressure power cable
Wave and square wave leakage, so the technical issues of still being had an impact to weak electricity system around, influence the control of its signal and transmission.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of ocean engineering medium voltage variable frequency power cable, including cable body, the cable body include cable core, interior shield
Set, armor and outer jacket, the outside of cable core are successively set with connection inner sheath, armor and outer jacket, and cable core is by three groups of insulation
Core is twisted, and the tin plating circle that is internally provided with of insulated wire cores presses tinned copper conductor, and the outer layer of copper conductor is set gradually
There are conductor shield, crosslinked polyetylene insulated layer, insulation screen and metal screen layer.
Preferably, several fan-shaped packings, and the outside of cable core are provided between the outside and inner sheath of the cable core
Polyethylene protective film is coated between packing.
Preferably, the conductor shield is semiconductive shielding layer, and insulation screen is semiconductive shielding layer, metallic shield
Layer is dredged by copper wire and is formed around with soft copper band lapped shielding layer, and packing is low smoke and zero halogen sector filled layer, and inner sheath is high fire-retardance
Low-smoke halogen-free polyolefin inner restrictive coating, armor are that zinc-coated wire weaves armor body.
A kind of manufacturing method of ocean engineering medium voltage variable frequency power cable, the specific steps of the manufacturing method include:
Step 1: the processing of cable core is pressed tinned copper conductor to three tin plating circles and is processed respectively, in copper conductor
Cross-linking polyethylene materials processing is prepared into insulating layer, then insulating layer is wrapped in conductor by outside package installing conductor shielded layer
Then insulation screen and metal screen layer are successively wrapped up external again in the outside of shielded layer.
Step 2: being twisted into an entirety for three copper conductors, and one end of twisted Shi Sangen copper conductor, which is fixed together, puts
It is being twisted mechanical inside, while being fixed at the middle part of three copper conductors using machinery, is being twisted machinery to three copper conductors
It is twisted, twisted revolving speed is maintained at 20 revs/min, and is carried out using air blower to three the external of copper conductor in stranding process
Blowing is fixed at middle part using band after one end of three copper conductors is twisted；The other end of three copper conductors is fixed on strand
Mechanical inside is closed, middle part is using being mechanically fixed, and twisted machinery opposite direction is twisted three copper conductors, the twisted side at both ends
To on the contrary, being fixed at both ends with band after twisted.
Cable core manufactured in step 2: in the external overlay film of cable core, being put into the inside of cable film covering device by step 3,
Cable core is wrapped in the outside of the second shaft, and upper and lower protective film ready for use is respectively wound around the outer of first rotating shaft and third shaft
Portion, cable core are clipped between two films up and down, and glue coating is Nian Jie with film outside cable core, and the outer of winding bar is wrapped in after bonding
Portion.
Step 4: in the external package installation inner sheath of cable core, and packing is installed between cable core and inner sheath, fills
Item uses low smoke and zero halogen sector filled layer, then armor is installed using armoring machine in the outside of inner sheath, in the outer of armor
Outer jacket is installed in portion, is finally set with cleaning device in the external of cable body.
Preferably, in step 3 when overlay film, according to actual cable core diameter, the length that screw adjusts telescopic mast is turned, into
And driving bracket and pressure ram mobile in the inside of perforation, adjusting position, the middle part of pressure ram is abutted with the external of cable core, simultaneously
Fastening bolt can be passed through according to the actual needs by bracket from the inside dismounting and change of perforation, the pressure ram of corresponding size is installed,
And be inclined to set between the pressure ram inside the two neighboring mounting plate in installation between two side plates of holding, one end of cable core
Perforation is through the outside for being wrapped in winding bar.
Preferably, when cable core overlay film, one end of cable core is passed through between bottom plate and cover board, and then cable core is successively from two
Run through between drip tube, two applied pipes and two removing pipes, turns several shanks of bolt of cover board two sides, drive the drop on top
Sebific duct, applied pipe and removing pipe move up and down, until abutting with the top of cable core；Winding bar rotation, drives cable core from second turn
The external of axis is detached from, and cable core is connected to smearing pad and scrapes the middle part of movable plate, in cable core movement, the glue inside upper and lower ends drip tube
Water is coated on the outside of cable core by gum outlet, and will not be contacted with cable core according to the size of cable core using sealing cover in coating
Gum outlet blocked；When after cable core gluing by between two applied pipes, upper and lower two smearings pad is to the glue outside cable core
Water carries out applied, and the outside of cable core is totally coated with glue, and after glue is applied, cable core is passed through between two removings pipes, it is external and
Two are scraped movable plate contact, are scraped movable plate and are struck off the glue accumulated outside cable core, the glue struck off scrapes movable plate from scraping to open one's mouth to enter
Inside, and then enter remove pipe inside, finally by end dumping hose be discharged；It smears pad and scrapes movable plate and using
In by connecting rod and applied pipe and pipe can be removed freely replace according to the size of cable core.
Preferably, after core gluing, cable core is drawn out from the top of bottom plate, and when cable core is mobile, the protective film of upper and lower ends is same
Shi Yidong, the protective film of upper and lower ends is covered on the outside of cable core after gluing, and cable core is passed through between two pressure rollers, two pressure rollers
Cable core is squeezed, protective film is extruded in the outside of cable core, cable core is by perforation out of several mounting plates after extruding
Portion passes through, several pressure rams of perforated inner squeeze cable core, and protective film is extruded the outside for being fitted in cable core, finally
Cable core is wrapped in the outside of winding bar.
Film covering device in step 3 includes the bottom frame that frame is connected with its bottom, and the top two sides of frame are welded with
Side plate is rotatably equipped with winding bar between the middle part of two side plates, and the both ends both ends rotating bar of winding bar is rotatablely connected side plate.
Mounting rack is installed at the top of one end of bottom frame, the inside of mounting rack is successively rotatably equipped with first turn from top to bottom
Axis, the second shaft and third shaft.And the inside middle-end of mounting rack is connected with backing plate by fixed link close to the side of frame, pad
The upper level of plate is equipped with bottom plate, and the bottom side of bottom plate is bolted backing plate by adjusting.The top of bottom plate is close to second
Shaft one end is rotatably equipped with last item, and the top other end is equipped with cover board, and the inside of cover board is sequentially installed with drip tube group, applied
Pipe group and remove pipe group, and drip tube group, applied pipe group and remove pipe group include respectively two groups of drip tubes, two groups of applied pipes and
Two groups of removing pipes, drip tube, applied pipe and remove the both ends of pipe and connect with the side plate of two sides, and the inside of side plate and top
The junction of drip tube, applied pipe and removing pipe is provided with shifting chute, and the both ends of the drip tube of top, applied pipe and removing pipe are equal
It is mounted on the top of shifting chute.The top two sides of cover board are respectively connected with several shanks of bolt being vertically arranged, the bottom end of shank of bolt
Top through shifting chute is connect with the end of drip tube, applied pipe and removing pipe, and junction is equipped with bearing.
Several gum outlets, the inside connection of gum outlet are provided at the top of the bottom of top drip tube and lower section drip tube
There is sealing cover, and one end of drip tube is connect with glue delivery instrument.The applied pipe of bottom middle-end and lower section of the applied pipe in top
Top middle-end is respectively connected with smearing pad.The top middle-end that the bottom middle-end of pipe is removed in top and pipe is removed in lower section, which is respectively connected with, to be scraped
Plate, the top middle-end for scraping movable plate, which is provided with to scrape, opens one's mouth.It scrapes movable plate and smears the bottom middle-end padded and be respectively connected with connecting rod, connecting rod
Inside be in hollow setting, and scrape movable plate and smear pad by connecting rod respectively with remove manage and applied pipe connect.Remove pipe
It is arc-shaped setting with applied Guan Jun, and the one end for removing pipe is connected with dumping hose.
Mounting rack passes through fixed frame close to one end two sides of frame and connect with frame.And the middle-end of fixed frame is along length side
To sliding groove is provided through, the side of mounting rack is connect by screw rod with fixed frame, and screw rod is mounted on the inside of sliding groove.
One end between two side plates close to mounting rack is equipped with several mounting plates, is provided with and wears in the middle part of mounting plate
Hole, the internal side wall of perforation are equipped with several pressure rams, and the diameter at pressure ram both ends is greater than between centre, and middle part and two
Arc-shaped setting is held, pressure ram is mounted on the inside of bracket, and one end of bracket is connected with telescopic mast, and the side of telescopic mast is connected with
Screw, screw is adjustable the flexible of telescopic mast, and one end of telescopic mast passes through the inside of fastening bolt connection perforation.Two side plates
Bottom have truss close to the equal horizontal connection in one end of mounting rack, the middle part of truss is provided with sliding groove, and purlin along its length
The side of frame is connected with pressure roller by sliding groove and screw rod.
Beneficial effects of the present invention:
1, in use, conductor presses tinned copper conductor structure using 2 type lines to cable body, and conductor monofilament uses
Xenotype mold is drawn into special-shaped monofilament, then is twisted after tin plating, since fill factor reaches 97% or more, therefore twists with circle
It closes conductor to compare, under same nominal section and direct current resistance requirement, molded line conductor structure has lesser conductor diameter, due to leading
The weight of the reduction of external diameter, insulating layer and oversheath can also reduce, and reduce cable finished product outer diameter to reach and mitigate electric
Cable overall weight.The shielding of cable split-phase by the wrapped shielding of traditional copper strips be changed to tinned copper wire dredge around with the wrapped shielding of copper strips, no
Shield effectiveness is increased only, and can determine shielding section according to fault current, meet homogenizing electric field, electrostatic screen and connect
The requirement on ground improves power supply quality.Armouring is woven using zinc-coated wire, can not only play the role of mechanical protection, and can be simultaneous
Total shielding is done, net magnetic screening action is played, so that cable magnetic field in frequency conversion engineering is not leaked, increases the shield effectiveness of cable.
2, polyethylene protective film is coated in the external of cable core, had both can increase the safe core of cable core, and had been not easy it in use
Damage.It can increase the planarization outside stranded cable core simultaneously, facilitate the installation of subsequent inner sheath.The both ends of one cable core twist
It closes contrary, avoids cable core during subsequent processing since the rotation of different directions causes loosely to reduce loose range,
The strength and stability for improving the work in-process of cable core, facilitates subsequent processing, and working efficiency can be improved.
3, overlay film is carried out in the external of cable core using film covering device.The device adapts to various sizes of cable core, is processing
In it is easy to adjust quick, gluing, daub and gel resin can be automatically performed with moving for cable core, can be uniform in the outside of cable core
Gluing, and extra glue can be removed, the use and glue accumulation of glue can be saved, continued insurance after being conducive to
The bonding of cuticula.And after protective film bonding, adequately the external of cable core can be carried out by the pressure ram of pressure roller and perforated inner
It squeezes.Protective film outside cable core uniformly can adequately be covered pressure, bonding it is more uniform, and protective film can adequately and glue
Contact bonding will not leave behind bonding dead angle.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is the sectional view of cable body of the present invention.
Fig. 2 is film covering device overall structure diagram of the present invention.
Fig. 3 is the isometric structural schematic diagram of Fig. 2 of the present invention.
Fig. 4 is installing structure of bottom plate schematic diagram of the present invention.
Fig. 5 is the top view of Fig. 4 of the present invention.
Fig. 6 is drip tube mounting structure schematic diagram of the present invention.
Fig. 7 is the applied pipe mounting structure schematic diagram of the present invention.
Fig. 8 is that the present invention removes pipe mounting structure schematic diagram.
Fig. 9 is details enlarged structure schematic diagram at A in Fig. 3 of the present invention.
Figure 10 is that the present invention scrapes plate structural schematic diagram.
Figure 11 is mounting plates structure schematic diagram of the present invention.
Figure 12 is extrusion rod structure schematic diagram of the present invention.
In figure: 1, copper conductor；2, conductor shield；3, insulating layer；4, insulation screen；5, metal screen layer；6, it fills
Item；7, inner sheath；8, armor；9, outer jacket；10, bottom frame；11, rotating bar；12, fixed link；13, last item；14, dumping is soft
Pipe；15, cover board；16, bottom plate；17, bolt is adjusted；18, fixed frame；19, backing plate；20, pipe is removed；21, applied pipe；22, glue is dripped
Pipe；23, shank of bolt；24, gum outlet；25, shifting chute；26, pad is smeared；27, it scrapes and opens one's mouth；28, sliding groove；29, movable plate is scraped；30,
Connecting rod；31, mounting plate；32, it perforates；33, pressure ram；34, bracket；35, telescopic mast；36, fastening bolt；37, sealing cover；
38, frame；39, side plate；40, winding bar；41, truss；42, pressure roller；43, first rotating shaft；44, the second shaft；45, third turns
Axis；46, mounting rack.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
It please refers to shown in Fig. 1-12, a kind of ocean engineering medium voltage variable frequency power cable, including cable body, cable body
Including cable core, inner sheath 7, armor 8 and outer jacket 9, the outside of cable core is successively set with connection inner sheath 7, armor 8 and outer shield
Layer 9, cable core is twisted by three groups of insulated wire cores, and the tin plating circle that is internally provided with of insulated wire cores presses tinned copper conductor 1, copper
The outer layer of conductor 1 is disposed with conductor shield 2, crosslinked polyetylene insulated layer 3, insulation screen 4 and metal screen layer
5。
As a kind of technical optimization scheme of the invention, several sectors are provided between the outside and inner sheath 7 of cable core
Packing 6, and polyethylene protective film is coated between the outside of cable core and packing 6.
As a kind of technical optimization scheme of the invention, conductor shield 2 is semiconductive shielding layer, and insulation screen 4 is
Semiconductive shielding layer, metal screen layer 5 are dredged by copper wire and are formed around with soft copper band lapped shielding layer, and packing 6 is low smoke and zero halogen fan
Shape filled layer, inner sheath 7 are high flame resistance, low smoke halogen-free polyolefin inner restrictive coating, and armor 8 is that zinc-coated wire weaves armor body.
A kind of manufacturing method of ocean engineering medium voltage variable frequency power cable, the specific steps of the manufacturing method include:
Step 1: the processing of cable core is pressed tinned copper conductor 1 to three tin plating circles and is processed respectively, in copper conductor 1
It is external wrap up installing conductor shielded layer 2, cross-linking polyethylene materials processing is prepared into insulating layer 3, then insulating layer 3 is wrapped in
Then insulation screen 4 and metal screen layer 5 are successively wrapped up external again in the outside of conductor shield 2；
Step 2: being twisted into an entirety for three copper conductors 1, and one end of twisted Shi Sangen copper conductor 1 is fixed together
It is placed on the inside for being twisted machinery, while being fixed at the middle part of three copper conductors 1 using machinery, twisted machinery leads three copper
Body 1 is twisted, and twisted revolving speed is maintained at 20 revs/min, and utilizes air blower to the outside of three copper conductors 1 in stranding process
It is blowed, after one end of three copper conductors 1 is twisted, is fixed at middle part using band；The other end of three copper conductors 1 is solid
It is scheduled on the inside for being twisted machinery, middle part is using being mechanically fixed, and twisted machinery opposite direction is twisted three copper conductors 1, both ends
Direction of lay on the contrary, being fixed at both ends with band after twisted；
Cable core manufactured in step 2: in the external overlay film of cable core, being put into the inside of cable film covering device by step 3,
Cable core is wrapped in the outside of the second shaft 44, and upper and lower protective film ready for use is respectively wound around first rotating shaft 43 and third shaft 45
Outside, cable core is clipped in up and down between two films, and glue coating is Nian Jie with film outside cable core, and winding bar 40 is wrapped in after bonding
Outside；
Step 4: in the external package installation inner sheath 7 of cable core, and installing packing 6 between cable core and inner sheath 7,
Packing 6 uses low smoke and zero halogen sector filled layer, then armor 8 is installed using armoring machine in the outside of inner sheath 7, in armouring
The external of layer 8 installs outer jacket 9, is finally set with cleaning device in the external of cable body 10.
As a kind of technical optimization scheme of the invention, in step 3 when overlay film, according to actual cable core diameter, spiral shell is turned
Nail adjusts the length of telescopic mast 35, and then drives bracket 34 and pressure ram 33 mobile in the inside of perforation 32, and adjusting position squeezes
The external of the middle part of bar 33 and cable core abuts, at the same can according to the actual needs by fastening bolt 36 by bracket 34 from perforating 32
Inside dismounting and change, the pressure ram 33 of corresponding size is installed, and the two neighboring peace between two side plates 39 is kept in installing
It is inclined to set between pressure ram 33 inside loading board 31, one end perforation 32 of cable core is through the outside for being wrapped in winding bar 40.
As a kind of technical optimization scheme of the invention, when cable core overlay film, by one end of cable core from bottom plate 16 and cover board 15
Between pass through, and then cable core successively runs through between two drip tube 22, two applied pipes 21 and two removing pipes 20, turns lid
Several shanks of bolt 23 of 15 two sides of plate drive drip tube 22, applied pipe 21 and the removing pipe 20 on top to move up and down, until with
The top of cable core abuts；Winding bar 40 rotates, and cable core is driven to be detached from from the external of the second shaft 44, and cable core, which is connected to, smears pad 26
With the middle part for scraping movable plate 29, during cable core is mobile, glue upper and lower ends drip tube 22 inside passes through gum outlet 24 and is coated on cable core
Outside, and the gum outlet 24 not contacted with cable core is blocked using sealing cover 37 according to the size of cable core in being coated with；Cable
When after core gluing by between two applied pipes 21, upper and lower two glue smeared outside 26 pairs of cable cores of pad carry out applied, cable core
Outside be totally coated with glue, after glue is applied, cable core is passed through between two removing pipes 20, and outside is scraped movable plate 29 with two and connect
Touching, scrapes movable plate 29 and strikes off the glue accumulated outside cable core, and the glue struck off 27 is entered and scrapes the inside of movable plate 29 from scraping to open one's mouth,
And then the inside for removing pipe 20 is entered, it is discharged finally by the dumping hose 14 of end；Smearing pad 26 and scraping movable plate 29 makes
By connecting rod 30 and applied pipe 21 and the freely replacement of pipe 20 can be removed according to the size of cable core in.
As a kind of technical optimization scheme of the invention, after cable core gluing, cable core is drawn out from the top of bottom plate 16, cable core
When mobile, the protective film of upper and lower ends moves simultaneously, and the protective film of upper and lower ends is covered on the outside of cable core after gluing, cable core from
It is passed through between two pressure rollers 42, two pressure rollers 42 squeeze cable core, and protective film is extruded in the outside of cable core, cable after extruding
Core is passed through by perforation 32 from the inside of several mounting plates 31, several pressure rams 33 inside perforation 32 squeeze cable core
Pressure, protective film are extruded the outside for being fitted in cable core, and last cable core is wrapped in the outside of winding bar 40.The outside of winding bar 40
After the completion of winding, winding bar 40 is dismantled from the threaded one end of rotating bar 44, the winding bar 40 more renewed works on.
Film covering device in step 3 includes the bottom frame 10 that frame 38 is connected with its bottom, and the top two sides of frame 38 are equal
It is welded with side plate 39, winding bar 40, and the both ends both ends rotation of winding bar 40 are rotatably equipped between the middle part of two side plates 39
Bar 11 is rotatablely connected side plate 39.
Mounting rack 46 is installed, the inside of mounting rack 46 is successively rotatably equipped with the from top to bottom at the top of one end of bottom frame 10
One shaft 43, the second shaft 44 and third shaft 45.And the inside middle-end of mounting rack 46 passes through fixation close to the side of frame 38
Bar 12 is connected with backing plate 19, and the upper level of backing plate 19 is equipped with bottom plate 16, and the bottom side of bottom plate 16 is by adjusting bolt 17
Connection backing plate 19.The top of bottom plate 16 is rotatably equipped with last item 13 close to 44 one end of the second shaft, and the top other end is equipped with lid
Plate 15, the inside of cover board 15 be sequentially installed with drip tube group, applied pipe group and remove pipe group, and drip tube group, applied pipe group and
Remove pipe group includes 22, two groups of two groups of drip tubes applied pipes 21 and two groups of removing pipes 20, drip tube 22,21 and of applied pipe respectively
Remove pipe 20 both ends connect with the side plate 39 of two sides, and the drip tube 22 of the inside of side plate 39 and top, applied pipe 21 and
The junction for removing pipe 20 is provided with shifting chute 25, the drip tube 22 of top, applied pipe 21 and removes the both ends of pipe 20 and is respectively mounted
On the top of shifting chute 25.The top two sides of cover board 15 are respectively connected with several shanks of bolt 23 being vertically arranged, shank of bolt 23
Bottom end is connect through the top of shifting chute 25 with the end of drip tube 22, applied pipe 21 and removing pipe 20, and junction is equipped with
Bearing.Last item 13 can carry out precompressed to cable core, keep it more stable on the move.Adjusting bolt 17 is turned in work is adjustable bottom
The angle of plate 16, so that cable core disengaging bottom plate 16 is more convenient, it is easy to adjust to adapt to different work requirements.
Several gum outlets 24 are provided at the top of the bottom of top drip tube 22 and lower section drip tube 22, gum outlet 24
It is internally connected with sealing cover 37, and one end of drip tube 22 is connect with glue delivery instrument.The bottom middle-end of the applied pipe 21 in top
It is respectively connected with the top middle-end of the applied pipe 21 in lower section and smears pad 26.The bottom middle-end of pipe 20 is removed in top and pipe 20 is removed in lower section
Top middle-end be respectively connected with and scrape movable plate 29, the top middle-end for scraping movable plate 29, which is provided with to scrape, opens one's mouth 27.It scrapes movable plate 29 and smears pad
26 bottom middle-end is respectively connected with connecting rod 30, and the inside of connecting rod 30 is in hollow setting, and scrapes movable plate 29 and smear pad 26
It is connect respectively with removing pipe 20 and applied pipe 21 by connecting rod 30.It removes pipe 20 and applied pipe 21 is arc-shaped setting, and
The one end for removing pipe 20 is connected with dumping hose 14.It scrapes movable plate 29 and smears pad 26 and pass through connecting rod 30 and removing pipe 20 and applied
Pipe 21 is easy for assemble or unload, and replacement is simple, adapts to various sizes of cable core.
Mounting rack 46 passes through fixed frame 18 close to one end two sides of frame 38 and connect with frame 38.And in fixed frame 18
End is provided through sliding groove 28 along its length, and the side of mounting rack 46 is connect by screw rod with fixed frame 18, screw rod installation
In the inside of sliding groove 28.Screw rod is turned, by the tensile force between the adjustable mounting rack 46 of sliding groove 28 and frame 38, is made
It obtains more stable in work.
One end between two side plates 39 close to mounting rack 46 is equipped with several mounting plates 31, and the middle part of mounting plate 31 is set
It is equipped with perforation 32,32 internal side wall of perforating is equipped with several pressure rams 33, and the diameter at 33 both ends of pressure ram is greater than intermediate
Between, and middle part and the arc-shaped setting in both ends, pressure ram 33 are mounted on the inside of bracket 34, one end of bracket 34 is connected with flexible
Column 35, the side of telescopic mast 35 are connected with screw, and screw is adjustable the flexible of telescopic mast 35, and one end of telescopic mast 35 passes through tightly
The inside of the connection of fixing bolt 36 perforation 32.There is truss in the bottom of two side plates 39 close to the equal horizontal connection in one end of mounting rack 46
41, the middle part of truss 41 is provided with sliding groove 28 along its length, and the side of truss 41 is connected by sliding groove 28 with screw rod
There is pressure roller 42.Pressure roller 42 can be mobile in one end of truss by sliding groove 28, and the distance between two pressure rollers 42 are adjustable
Adapt to various sizes of cable core.
In the use of the present invention, conductor presses tinned copper conductor structure using 2 type lines, conductor monofilament uses xenotype mold
Be drawn into special-shaped monofilament, then be twisted after tin plating, since fill factor reaches 97% or more, therefore with round stranded conductor phase
Than under same nominal section and direct current resistance requirement, molded line conductor structure has lesser conductor diameter, due to conductor diameter
Reduce, the weight of insulating layer and oversheath can also reduce, and integrally weigh to reach to reduce cable finished product outer diameter and mitigate cable
Amount.The shielding of cable split-phase by the wrapped shielding of traditional copper strips be changed to tinned copper wire dredge around with the wrapped shielding of copper strips, not only increase
Shield effectiveness, and shielding section can be determined according to fault current, meet wanting for homogenizing electric field, electrostatic screen and ground connection
It asks, improves power supply quality.Armouring is woven using zinc-coated wire, can not only play the role of mechanical protection, and total screen can be also served as
It covers, plays net magnetic screening action, so that cable magnetic field in frequency conversion engineering is not leaked, increase the shield effectiveness of cable.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of ocean engineering medium voltage variable frequency power cable, which is characterized in that including cable body, the cable body includes
Cable core, inner sheath (7), armor (8) and outer jacket (9), the outside of cable core are successively set with connection inner sheath (7), armor (8)
With outer jacket (9), cable core is twisted by three groups of insulated wire cores, and the tin plating circle that is internally provided with of insulated wire cores presses tin-coated copper
Conductor (1), the outer layer of copper conductor (1) are disposed with conductor shield (2), crosslinked polyetylene insulated layer (3), insulation screen
(4) and metal screen layer (5).
2. a kind of ocean engineering medium voltage variable frequency power cable according to claim 1, which is characterized in that the cable core
It is provided with several fan-shaped packings (6) between external and inner sheath (7), and is coated between the outside of cable core and packing (6)
There is polyethylene protective film.
3. a kind of ocean engineering medium voltage variable frequency power cable according to claim 1, which is characterized in that the conductor screen
Cover layer (2) be semiconductive shielding layer, insulation screen (4) be semiconductive shielding layer, metal screen layer (5) by copper wire dredge around with it is soft
Copper strips lapped shielding layer composition, packing (6) are low smoke and zero halogen sector filled layer, and inner sheath (7) is poly- for high flame resistance, low smoke Halogen
Alkene inner restrictive coating, armor (8) are that zinc-coated wire weaves armor body.
4. a kind of manufacturing method of ocean engineering medium voltage variable frequency power cable, which is characterized in that the specific step of the manufacturing method
Suddenly include:
Step 1: the processing of cable core is pressed tinned copper conductor (1) to three tin plating circles and is processed respectively, in copper conductor (1)
It is external wrap up installing conductor shielded layer (2), cross-linking polyethylene materials processing is prepared into insulating layer (3), then by insulating layer (3)
It is wrapped in the outside of conductor shield (2), then successively wraps up insulation screen (4) and metal screen layer (5) external again；
Step 2: being twisted into an entirety for three copper conductors (1), and the one end of twisted Shi Sangen copper conductor (1) is fixed together
It is placed on the inside for being twisted machinery, while being fixed at the middle part of three copper conductors (1) using machinery, is twisted machinery to three copper
Conductor (1) is twisted, and twisted revolving speed is maintained at 20 revs/min, and utilizes air blower to three copper conductors (1) in stranding process
Outside be blowed, after one end of three copper conductors (1) is twisted, fixed at middle part using band；Three copper conductors (1)
The other end be fixed on the inside for being twisted machinery, middle part using being mechanically fixed, be twisted machinery opposite direction to three copper conductors (1) into
Row is twisted, and the direction of lay at both ends at both ends after twisted with band on the contrary, fixed；
Step 3: in the external overlay film of cable core, cable core manufactured in step 2 is put into the inside of cable film covering device, cable core
It is wrapped in the outside of the second shaft (44), upper and lower protective film ready for use is respectively wound around first rotating shaft (43) and third shaft
(45) outside, cable core are clipped between two films up and down, and glue coating is Nian Jie with film outside cable core, and winding is wrapped in after bonding
The outside of bar (40)；
Step 4: in external package installation inner sheath (7) of cable core, and packing is installed between cable core and inner sheath (7)
(6), packing (6) uses low smoke and zero halogen sector filled layer, then installs armor using armoring machine in the outside of inner sheath (7)
(8), outer jacket (9) are installed in the external of armor (8), are finally set with cleaning device in the external of cable body (10).
5. a kind of manufacturing method of ocean engineering medium voltage variable frequency power cable according to claim 4, which is characterized in that
In step 3 when overlay film, according to actual cable core diameter, the length that screw adjusts telescopic mast (35) is turned, and then drive bracket
(34) and pressure ram (33) is mobile in the inside of perforation (32), and adjusting position, the middle part of pressure ram (33) and the outside of cable core are supported
It connects, while inside dismounting and change of the fastening bolt (36) by bracket (34) from perforation (32) can be passed through according to the actual needs, pacify
The pressure ram (33) of corresponding size is filled, and two neighboring mounting plate (31) inside in installation between two side plates (39) of holding
Pressure ram is inclined to set between (33), and one end perforation (32) of cable core runs through the outside for being wrapped in winding bar (40).
6. a kind of manufacturing method of ocean engineering medium voltage variable frequency power cable according to claim 4, which is characterized in that
When cable core overlay film, one end of cable core is passed through between bottom plate (16) and cover board (15), and then cable core is successively from two drip tubes
(22), run through between two applied pipes (21) and two removing pipes (20), turn several shanks of bolt of cover board (15) two sides
(23), drip tube (22), applied pipe (21) and the removing pipe (20) on top is driven to move up and down, until the top with cable core is supported
It connects；Winding bar (40) rotation drives cable core to be detached from from the external of the second shaft (44), and cable core is connected to smearing pad (26) and scrapes
The middle part of plate (29), during cable core is mobile, the internal glue of upper and lower ends drip tube (22) is coated on cable core by gum outlet (24)
Outside, and the gum outlet (24) not contacted with cable core is sealed using sealing cover (37) according to the size of cable core in being coated with
It is stifled；When after cable core gluing by between two applied pipes (21), smears pad (26) for upper and lower two and the glue outside cable core is carried out
Applied, the outside of cable core is totally coated with glue, and after glue is applied, cable core is passed through between two removing pipes (20), outside and two
It is a scrape movable plate (29) contact, scrape movable plate (29) and strike off the glue accumulated outside cable core, the glue struck off from scrape open one's mouth (27) into
Enter to scraping the inside of movable plate (29), and then enter the inside for removing pipe (20), is arranged finally by the dumping hose (14) of end
Out；Smear pad (26) and scrape movable plate (29) in use can according to the size of cable core by connecting rod (30) and applied pipe (21) and
Pipe (20) is removed freely to replace.
7. a kind of manufacturing method of ocean engineering medium voltage variable frequency power cable according to claim 6, which is characterized in that
After cable core gluing, cable core is drawn out from the top of bottom plate (16), and when cable core is mobile, the protective film of upper and lower ends is mobile simultaneously, is applied
The protective film of upper and lower ends is covered on the outside of cable core after glue, and cable core is passed through between two pressure rollers (42), two pressure rollers (42)
Cable core is squeezed, protective film is extruded in the outside of cable core, cable core passes through perforation (32) from several mounting plates after extruding
(31) inside passes through, several internal pressure rams (33) of perforation (32) squeeze cable core, and protective film is extruded fitting
In the outside of cable core, last cable core is wrapped in the outside of winding bar (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434864.7A CN110120277B (en) | 2019-05-23 | 2019-05-23 | Medium-voltage variable-frequency power cable for ocean engineering and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434864.7A CN110120277B (en) | 2019-05-23 | 2019-05-23 | Medium-voltage variable-frequency power cable for ocean engineering and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110120277A true CN110120277A (en) | 2019-08-13 |
| CN110120277B CN110120277B (en) | 2024-03-29 |
Family
ID=67523094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910434864.7A Active CN110120277B (en) | 2019-05-23 | 2019-05-23 | Medium-voltage variable-frequency power cable for ocean engineering and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110120277B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403119A (en) * | 2020-03-20 | 2020-07-10 | 昆明三川电线电缆有限公司 | Twisting process for durable parallel bunched conducting wires |
| CN112185611A (en) * | 2020-10-10 | 2021-01-05 | 深圳市永泰兴电子有限公司 | Polymer nano wire and cable material |
| CN113611450A (en) * | 2021-06-29 | 2021-11-05 | 中辰电缆股份有限公司 | Cable with load operation monitoring function, particles for arc temperature sensing color strips of cable, and co-extrusion method of arc temperature sensing color strips |
| CN117524600A (en) * | 2024-01-08 | 2024-02-06 | 榆缆线缆集团股份有限公司 | Full-automatic stranded wire device and method for composite cable production |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU81842U1 (en) * | 2008-07-15 | 2009-03-27 | Закрытое Акционерное Общество "Симпэк" | CABLE CONTROL, MOUNTING AND POWER FOR EXPLOSIVE AREAS ON FLOATING DRILLING RIGS AND MARINE STATIONARY PLATFORMS |
| CN101494105A (en) * | 2009-03-13 | 2009-07-29 | 安徽华能电缆集团有限公司 | Method for manufacturing special cable of wind power plant |
| CN202332397U (en) * | 2011-11-30 | 2012-07-11 | 江苏远洋东泽电缆股份有限公司 | Marine medium-voltage fire-proof power cable |
| CN202796200U (en) * | 2012-07-19 | 2013-03-13 | 江苏双登电力科技有限公司 | Novel aluminum alloy power cable |
| CN203103001U (en) * | 2013-01-15 | 2013-07-31 | 安徽华宇电缆集团有限公司 | Medium-voltage (8.7/10kV) frequency conversion power cable |
| CN104167243A (en) * | 2014-09-03 | 2014-11-26 | 吴俊� | Lightning-proof optical and electric compound cable for communication base station and manufacturing method of lightning-proof optical and electric compound cable |
| US20170297044A1 (en) * | 2015-11-30 | 2017-10-19 | Corning Optical Communications LLC | Recirculating powder applicator |
| CN209912520U (en) * | 2019-05-23 | 2020-01-07 | 安徽新特华宇电缆有限公司 | Medium-voltage variable-frequency power cable for ocean engineering |
-
2019
- 2019-05-23 CN CN201910434864.7A patent/CN110120277B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU81842U1 (en) * | 2008-07-15 | 2009-03-27 | Закрытое Акционерное Общество "Симпэк" | CABLE CONTROL, MOUNTING AND POWER FOR EXPLOSIVE AREAS ON FLOATING DRILLING RIGS AND MARINE STATIONARY PLATFORMS |
| CN101494105A (en) * | 2009-03-13 | 2009-07-29 | 安徽华能电缆集团有限公司 | Method for manufacturing special cable of wind power plant |
| CN202332397U (en) * | 2011-11-30 | 2012-07-11 | 江苏远洋东泽电缆股份有限公司 | Marine medium-voltage fire-proof power cable |
| CN202796200U (en) * | 2012-07-19 | 2013-03-13 | 江苏双登电力科技有限公司 | Novel aluminum alloy power cable |
| CN203103001U (en) * | 2013-01-15 | 2013-07-31 | 安徽华宇电缆集团有限公司 | Medium-voltage (8.7/10kV) frequency conversion power cable |
| CN104167243A (en) * | 2014-09-03 | 2014-11-26 | 吴俊� | Lightning-proof optical and electric compound cable for communication base station and manufacturing method of lightning-proof optical and electric compound cable |
| US20170297044A1 (en) * | 2015-11-30 | 2017-10-19 | Corning Optical Communications LLC | Recirculating powder applicator |
| CN209912520U (en) * | 2019-05-23 | 2020-01-07 | 安徽新特华宇电缆有限公司 | Medium-voltage variable-frequency power cable for ocean engineering |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403119A (en) * | 2020-03-20 | 2020-07-10 | 昆明三川电线电缆有限公司 | Twisting process for durable parallel bunched conducting wires |
| CN112185611A (en) * | 2020-10-10 | 2021-01-05 | 深圳市永泰兴电子有限公司 | Polymer nano wire and cable material |
| CN112185611B (en) * | 2020-10-10 | 2022-06-10 | 深圳市永泰兴电子有限公司 | Polymer nano wire and cable material |
| CN113611450A (en) * | 2021-06-29 | 2021-11-05 | 中辰电缆股份有限公司 | Cable with load operation monitoring function, particles for arc temperature sensing color strips of cable, and co-extrusion method of arc temperature sensing color strips |
| CN113611450B (en) * | 2021-06-29 | 2022-12-02 | 中辰电缆股份有限公司 | Cable with load operation monitoring function, particles for arc temperature sensing color bar of cable, and co-extrusion method of arc temperature sensing color bar |
| CN117524600A (en) * | 2024-01-08 | 2024-02-06 | 榆缆线缆集团股份有限公司 | Full-automatic stranded wire device and method for composite cable production |
| CN117524600B (en) * | 2024-01-08 | 2024-04-05 | 榆缆线缆集团股份有限公司 | Full-automatic stranded wire device and method for composite cable production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110120277B (en) | 2024-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110120277A (en) | A kind of ocean engineering medium voltage variable frequency power cable and its manufacturing method | |
| CN1216384C (en) | High performance data cable and UL 910 plenum non-fluorinated jacket high perofrmance data cable | |
| WO2022067934A1 (en) | Special degaussing cable for fixed winding for underwater vehicle | |
| CN201122456Y (en) | High voltage power cable with embedded temperature-measuring optical fibre cable | |
| CN110364294A (en) | A kind of computer cable and its preparation process of flame-resistant high-temperature-resistant | |
| CN209522397U (en) | A kind of admission machine | |
| CN108231275A (en) | A kind of cable production machines and its application method for improving cable security performance | |
| CN201069676Y (en) | Cross-linked polythene insulation power cable based on fully water retarding and resisting tree | |
| CN106856115A (en) | Cold-resistant power cable used for wind power generation | |
| CN107358997B (en) | Multi-core photoelectric composite watertight cable for deep sea system | |
| CN102360613B (en) | Copper wire shielded medium voltage optical compound rope and screening device in smart power grids | |
| CN110310769A (en) | A kind of heat insulation type power management control cable and its preparation process | |
| CN207489555U (en) | High flexibility bend resistance cable | |
| CN109671522B (en) | Flexible shielding cable easy to peel | |
| CN103956216A (en) | Photoelectric composite power cable and machining process | |
| CN110246620A (en) | The lapping equipment of low smoke, zero halogen fire resisting subway light rail meter shaft cable and the cable | |
| CN208521632U (en) | A kind of resistance to cable that circumnutates of robot | |
| CN108376583A (en) | A kind of double layer screen tape cable and preparation method thereof | |
| CN209543962U (en) | A kind of computer flat cable of terrestrial surface radiation | |
| CN208706288U (en) | A kind of double layer screen tape cable | |
| CN206877712U (en) | Photoelectricity composite water-proof and water repellent electric cable | |
| NL1037007C2 (en) | Cable element, data transmission cable, method for manufacturing and use of data transmission cable. | |
| CN211957245U (en) | Winding drainage wire multilayer shielding control cable | |
| CN207572631U (en) | A kind of tensile type Novel cable | |
| CN109802335A (en) | A kind of cable and cable installs case with radiation protection protective layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |