CN208027766U - A kind of towing of composite three-layer sheath is overstocked a harbour electric cable in - Google Patents
A kind of towing of composite three-layer sheath is overstocked a harbour electric cable in Download PDFInfo
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- CN208027766U CN208027766U CN201820570175.XU CN201820570175U CN208027766U CN 208027766 U CN208027766 U CN 208027766U CN 201820570175 U CN201820570175 U CN 201820570175U CN 208027766 U CN208027766 U CN 208027766U
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Abstract
The utility model is related to a kind of composite three-layer sheaths to pull electric cable of overstocking a harbour in, belong to technical field of cable production.Technical solution is：Y shape semi-conductive adhesive core（6）It is interior to be equipped with center reinforcemen（7）, a power wire core, a control conductor unit, a power wire core, a fiber unit, a power wire core and a wire core are with Y shape semi-conductive adhesive core（6）Centered on successively surround be arranged in Y shape semi-conductive adhesive core（6）Outside, composition overstocks a harbour electromechanical cable core；Electromechanical cable core of overstocking a harbour extrudes sheath successively from the inside to the outside（13）, middle sheath（14）And outer jacket（16）, middle sheath（14）Inside contain enhancement layer（15）.The good effect of the utility model：1. a variety of cable features are combined to inside a cable, cable space is saved；2. three layers of jacket structure increase the reliability of cable by the division of labor of different sheaths.3. directly extruding Y shape semi-conductive adhesive core using mold, keep the construction of cable more reasonable, stablizes.
Description
Technical field
The utility model is related to a kind of composite three-layer sheaths to pull electric cable of overstocking a harbour in, belong to cable manufacturing technology neck
Domain.
Background technology
Sea-freight prosperity makes harbour machinery rapidly develop, but because harbour machinery lifting is frequent, matched cable is frequently necessary to
Do high-speed mobile, bear larger pulling force and bending, under reciprocal coiled continue working state, the internal structure of cable by
External force influences the mechanical damage that the displacement of assembly element, distortion, stress concentration etc. cause disconnected core.Simultaneously as mechanical equipment is automatic
Change, it is intelligent constantly to be promoted, need a variety of cables to be used cooperatively, since space and laying factor influence, a variety of different performances are wanted
The cable combination asked is come into being at a kind of composite cable.Traditional cable is during cable winds use repeatedly, cable
Core position is easy to happen movement, structural instability.
Utility model content
The purpose of this utility model is to provide a kind of towing of composite three-layer sheath and overstocks a harbour in electric cable, by cable transfer,
Signal controls, and fiber optic communication multi-functional is combined to a kind of cable, promotes the stability of the construction of cable, ensures that cable uses the longevity
Life solves the above problem existing for background technology.
The technical solution of the utility model is：
A kind of towing of composite three-layer sheath is overstocked a harbour electric cable in withing, including tinned copper conductor, second third insulate, control conductor is led
Body, the insulation of FEP control conductors, aluminium-plastic tape shielding, shape of a saddle semi-conductive adhesive core, center reinforcemen, gnd conductor, semiconductive
Layer, optical fiber, ETFE Loose tubes, optical fiber reinforcer, sheath, middle sheath, enhancement layer and outer jacket, the tinned copper conductor squeeze outside
Packet second third insulate, and forms power wire core；The insulation of FEP control conductors, composition control core are extruded outside control core conductor；More controls
Core strand processed is combined together, the wrapped aluminium-plastic tape shielding in outside, composition control core unit；Semiconductive is extruded outside gnd conductor
Layer forms wire core；ETFE Loose tubes are extruded outside several optical fiber, form optical fiber cable core；Multifiber core is reinforced with optical fiber
It is mutually twisted centered on part, forms fiber unit；Y shape semi-conductive adhesive in-core is equipped with center reinforcemen, a power wire core, one
Control conductor unit, a power wire core, a fiber unit, a power wire core and a wire core are with Y shape semi-conductive adhesive
It surrounds and is arranged in the outside of Y shape semi-conductive adhesive core successively centered on core, form electromechanical cable core of overstocking a harbour；Overstock a harbour electromechanical cable core from
Interior to contain enhancement layer in middle sheath to sheath, middle sheath and outer jacket is extruded successively outside, sheath is an integral molding structure,
Match with the shape for electromechanical cable core of overstocking a harbour.
The shape of the Y shape semi-conductive adhesive core is made of six sections of arc sections, and six sections of arc sections include three sections of imperial palace concave arcs
Section and three sections small indent arc section, one section of imperial palace concave arc section, one section small indent arc section, one section of imperial palace concave arc section, one section
Small indent arc section, one section of imperial palace concave arc section and one section small indent arc section are sequentially connected, and form Y-shaped structure；Described three
Section imperial palace concave arc Duan Junyu power wire cores shape match, three sections small indent arc section respectively with control conductor unit, light
The shape of fine unit and wire core matches.
The enhancement layer is that aramid fiber adds mesh grid.
The outer jacket is made of high intensity CPE materials, has excellent wear-resisting effect.
Steps are as follows for production method：
1. extruding the insulation of second third outside tinned copper conductor, power wire core is formed；
2. extruding the insulation of FEP control conductors, composition control core outside control core conductor；More control conductors are twisted
Together, the wrapped aluminium-plastic tape shielding in outside, composition control core unit；
3. extruding semi-conductive layer outside gnd conductor, wire core is formed；
4. extruding ETFE Loose tubes outside several optical fiber, optical fiber cable core is formed；Multifiber core is with optical fiber reinforcer
Center is mutually twisted, and forms fiber unit；
5. having extrusion Y shape semi-conductive adhesive core by Y patterns should be by mandrel tip and die sleeve when Y shape semi-conductive adhesive core squeezes out
End tune increases concordantly, so that Y shape semi-conductive adhesive core is squeezed out between mold core and die sleeve, center reinforcemen is added among mold core,
The Y shape semi-conductive adhesive core of extrusion is set closely to coat in center reinforcemen；Y shape semi-conductive adhesive core carries out after squeezing out in vulcanizing tank
Semi-cure state processing, general Steam pressure control make Y shape semi-conductive adhesive core fundamental form in 0.3-0.4MPa, time 30min
Shape is fixed；
6. by a power wire core, a control conductor unit, a power wire core, a fiber unit, a power
Core and a wire core are surrounded successively centered on shape semi-conductive adhesive core to be arranged in the outside of Y shape semi-conductive adhesive core, composition pressure
Port electromechanics cable core, electromechanical cable core of overstocking a harbour extrude sheath, middle sheath and outer jacket successively from the inside to the outside；
7. step 6. in sheath directly extruded using mold, match with the shape for electromechanical cable core of overstocking a harbour；
8. step 6. in middle sheath be rubber and neoprene mixture, outside sheath squeeze out in sheath, wherein in
Sheath squeezes out at twice, and after the internal layer extrusion of middle sheath, enhancement layer is added outside internal layer, the outer layer of sheath in then squeezing out again,
Inside and outside two layers of middle sheath forms one with enhancement layer close adhesion.
The good effect of the utility model：1. a variety of cable features are combined to inside a cable, cable space is saved；
2. three layers of jacket structure increase the reliability of cable by the division of labor of different sheaths.3. directly extruding Y shape using mold partly to lead
Electric glue core, keeps the construction of cable more reasonable, stablizes.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is shielding layer structure schematic diagram in the utility model；
Fig. 3 is that the utility model Y patterns have die sleeve structure schematic diagram；
Fig. 4 is that the utility model Y patterns have die sleeve end face mouth structure schematic diagram；
Fig. 5 is that the utility model Y patterns have mold insert structure schematic diagram；
In figure：Tinned copper conductor 1, the insulation of second third 2, control core conductor 3, FEP control conductors insulation 4, aluminium-plastic tape
Shielding 5, Y shape semi-conductive adhesive core 6, center reinforcemen 7, gnd conductor 8, semi-conductive layer 9, optical fiber 10, ETFE Loose tubes 11, optical fiber
Reinforcer 12, sheath 13, middle sheath 14, enhancement layer 15, outer jacket 16, mandrel tip 17, die sleeve end 18, mold core 19, mould
Set 20.
Specific implementation mode
The utility model is described further with reference to the accompanying drawings and examples：
A kind of towing of composite three-layer sheath is overstocked a harbour electric cable in withing, the 2, control conductor including tinned copper conductor 1, second third insulate
Conductor 3, FEP control conductors insulation 4, aluminium-plastic tape shielding 5, shape of a saddle semi-conductive adhesive core 6, center reinforcemen 7, gnd conductor
8, semi-conductive layer 9, optical fiber 10, ETFE Loose tubes 11, optical fiber reinforcer 12, sheath 13, middle sheath 14, enhancement layer 15 and outer shield
Layer 16, the tinned copper conductor 1 extrude the insulation of second third 2, form power wire core outside；FEP control lines are extruded outside control core conductor 3
Core insulation 4, composition control core；More control conductor strands are combined together, the wrapped aluminium-plastic tape shielding 5 in outside, composition control
Core unit；Semi-conductive layer 9 is extruded outside gnd conductor 8, forms wire core；ETFE Loose tubes 11 are extruded outside several optical fiber 10,
Form optical fiber cable core；Multifiber core is mutually twisted centered on optical fiber reinforcer 12, forms fiber unit；Y shape semi-conductive adhesive
Center reinforcemen 7, a power wire core, a control conductor unit, a power wire core, an optical fiber list are equipped in core 6
Member, a power wire core and a wire core are surrounded successively centered on Y shape semi-conductive adhesive core 6 to be arranged in Y shape semi-conductive adhesive core 6
Outside, composition overstocks a harbour electromechanical cable core；Electromechanical cable core of overstocking a harbour extrudes sheath 13, middle sheath 14 and outer successively from the inside to the outside
Sheath 16, middle sheath 14 is interior to contain enhancement layer 15, and sheath 13 is an integral molding structure, the shape phase with electromechanical cable core of overstocking a harbour
Matching.
The shape of the Y shape semi-conductive adhesive core 6 is made of six sections of arc sections, and six sections of arc sections include three sections of imperial palace concave arcs
Section and three sections small indent arc section, one section of imperial palace concave arc section, one section small indent arc section, one section of imperial palace concave arc section, one section
Small indent arc section, one section of imperial palace concave arc section and one section small indent arc section are sequentially connected, and form Y-shaped structure；Described three
Section imperial palace concave arc Duan Junyu power wire cores shape match, three sections small indent arc section respectively with control conductor unit, light
The shape of fine unit and wire core matches.
The enhancement layer 15 is that aramid fiber adds mesh grid.
The outer jacket 16 is made of high intensity CPE materials.
Steps are as follows for production method：
1. extruding the insulation of second third 2 outside tinned copper conductor 1, power wire core is formed；
2. extruding FEP control conductors insulation 4, composition control core outside control core conductor 3；7 control conductors are twisted
To together, the wrapped aluminium-plastic tape in outside shields 5, composition control core unit；
3. extruding semi-conductive layer 9 outside gnd conductor 8, wire core is formed；
4. extruding ETFE Loose tubes 11 outside 3-6 roots optical fiber 10, optical fiber cable core is formed；6 optical fiber cable cores are with optical fiber reinforcer
It is mutually twisted centered on 12, forms fiber unit；
The power wire core, fiber unit, control conductor unit are power Transmission, are communicated, three kinds of function and services of control
Cable；
Squeeze out Y shape semi-conductive adhesive core 6 5. having by Y patterns, when Y shape semi-conductive adhesive core 6 squeezes out, should by mandrel tip 17 with
Die sleeve end 18, which is adjusted, to be increased concordantly, so that Y shape semi-conductive adhesive core 6 is squeezed out between mold core 19 and die sleeve 20, is added among mold core 19
Add 7 aramid fiber ropes, so that the Y shape semi-conductive adhesive core 6 of extrusion is closely coated on 7 aramid fiber ropes, the 6 existing filling of Y shape semi-conductive adhesive core
Effect ensure tensile strength when whole cable operation but also with the effect of reinforcement；In sulphur after the extrusion of Y shape semi-conductive adhesive core 6
Change and carry out semi-cure state processing in tank, general Steam pressure control makes Y shape semiconductive in 0.3-0.4MPa, time 30min
6 basic configuration of glue core is fixed, in subsequent process, due to 6 semi-cure state of Y shape semi-conductive adhesive core, Y shape semi-conductive adhesive
Change in shape is carried out when core 6 is according to core stranding, and it is even closer to ensure that core and Y shape semi-conductive adhesive core 6 contact, makes the construction of cable
More stablize；
6. by a power wire core, a control conductor unit, a power wire core, a fiber unit, a power
Core and a wire core are surrounded successively centered on Y shape semi-conductive adhesive core 6 to be arranged in the outside of Y shape semi-conductive adhesive core 6, composition
It overstocks a harbour electromechanical cable core, electromechanical cable core of overstocking a harbour extrudes sheath 13, middle sheath 14 and outer jacket 16 successively from the inside to the outside；
7. step 6. in sheath 13 directly extruded using mold, match with the shape for electromechanical cable core of overstocking a harbour；
8. step 6. in middle sheath 14 be rubber and neoprene mixture, outside sheath 13 squeeze out in sheath 14,
Wherein middle sheath 14 squeezes out at twice, after the internal layer of middle sheath 14 squeezes out, enhancement layer 15 is added outside internal layer, in then squeezing out again
The outer layer of sheath, middle sheath it is interior, outer two layers with enhancement layer close adhesion form one.
Three layers of sheath designs cable cover(ing) structure according to towing service condition, ensures that the construction of cable is stablized, is promoted
Cable service life.Wherein sheath plays the role of filling, and middle sheath plays the work for bonding interior outer jacket and aramid fiber enhancement layer
With outer jacket plays wear-resisting effect.
The Y patterns tool designs the radian of Y patterns tool according to different cable insulation core outer diameters（As shown in Figures 3 and 5）, make
Y shape semi-conductive adhesive core 6 after extrusion is identical with the radian of core outer surface, and what core and Y types contacted after such stranding more steps up
It is close.Cambered design is used when Y type mold design simultaneously, pressure is more uniform when glue core squeezes out, while the space of arc is larger, raw
Mandrel tip can be more advantageous to the eccentric adjustment of production with die sleeve end in one plane when production.
Claims (4)
- The electric cable 1. a kind of composite three-layer sheath towing is overstocked a harbour in, it is characterised in that：Including tinned copper conductor（1）, second third it is exhausted Edge（2）, control core conductor（3）, FEP control conductors insulation（4）, aluminium-plastic tape shielding（5）, shape of a saddle semi-conductive adhesive core （6）, center reinforcemen（7）, gnd conductor（8）, semi-conductive layer（9）, optical fiber（10）, ETFE Loose tubes（11）, optical fiber reinforcer （12）, sheath（13）, middle sheath（14）, enhancement layer（15）And outer jacket（16）, the tinned copper conductor（1）Extrude second third outside Insulation（2）, form power wire core；Control core conductor（3）It is outer to extrude the insulation of FEP control conductors（4）, composition control core；It is more Root control conductor strand is combined together, the wrapped aluminium-plastic tape shielding in outside（5）, composition control core unit；Gnd conductor（8）Outside Extrude semi-conductive layer（9）, form wire core；Several optical fiber（10）Extrude ETFE Loose tubes outside（11）, form optical fiber cable core；It is more Root optical fiber cable core is with optical fiber reinforcer（12）Centered on be mutually twisted, form fiber unit；Y shape semi-conductive adhesive core（6）In being inside equipped with Heart reinforcer（7）, a power wire core, a control conductor unit, a power wire core, a fiber unit, a power Core and a wire core are with Y shape semi-conductive adhesive core（6）Centered on successively surround be arranged in Y shape semi-conductive adhesive core（6）Outside, Form electromechanical cable core of overstocking a harbour；Electromechanical cable core of overstocking a harbour extrudes sheath successively from the inside to the outside（13）, middle sheath（14）With outer shield Layer（16）, middle sheath（14）Inside contain enhancement layer（15）, sheath（13）It is an integral molding structure, with electromechanical cable core of overstocking a harbour Shape matches.
- The electric cable 2. a kind of composite three-layer sheath towing according to claim 1 is overstocked a harbour in, it is characterised in that：The Y shape semi-conductive adhesive core（6）Shape be made of six sections of arc sections, six sections of arc sections include three sections of imperial palace concave arc sections It is one section of imperial palace concave arc section, one section small indent arc section, one section of imperial palace concave arc section, one section small with three sections small indent arc section Indent arc section, one section of imperial palace concave arc section and one section small indent arc section are sequentially connected, and form Y-shaped structure；Described three sections The shape of imperial palace concave arc Duan Junyu power wire cores matches, three sections of indent arc sections respectively with control conductor unit, optical fiber list The shape of member and wire core matches.
- The electric cable 3. a kind of composite three-layer sheath towing according to claim 1 or 2 is overstocked a harbour in, it is characterised in that：Institute State enhancement layer（15）For aramid fiber plus mesh grid.
- The electric cable 4. a kind of composite three-layer sheath towing according to claim 1 or 2 is overstocked a harbour in, it is characterised in that：Institute State outer jacket（16）It is made of high intensity CPE materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570175.XU CN208027766U (en) | 2018-04-20 | 2018-04-20 | A kind of towing of composite three-layer sheath is overstocked a harbour electric cable in |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570175.XU CN208027766U (en) | 2018-04-20 | 2018-04-20 | A kind of towing of composite three-layer sheath is overstocked a harbour electric cable in |
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| CN208027766U true CN208027766U (en) | 2018-10-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597653A (en) * | 2018-04-20 | 2018-09-28 | 唐山华通特种线缆制造有限公司 | A kind of towing of composite three-layer sheath is overstocked a harbour electric cable and preparation method thereof in |
| CN114898919A (en) * | 2022-04-29 | 2022-08-12 | 江苏俊知光电通信有限公司 | Elevator traveling photoelectric hybrid cable and preparation method thereof |
-
2018
- 2018-04-20 CN CN201820570175.XU patent/CN208027766U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597653A (en) * | 2018-04-20 | 2018-09-28 | 唐山华通特种线缆制造有限公司 | A kind of towing of composite three-layer sheath is overstocked a harbour electric cable and preparation method thereof in |
| CN108597653B (en) * | 2018-04-20 | 2023-10-20 | 河北华通线缆集团股份有限公司 | Medium-voltage port machine cable for dragging composite three-layer sheath and manufacturing method thereof |
| CN114898919A (en) * | 2022-04-29 | 2022-08-12 | 江苏俊知光电通信有限公司 | Elevator traveling photoelectric hybrid cable and preparation method thereof |
| CN114898919B (en) * | 2022-04-29 | 2023-09-26 | 江苏俊知光电通信有限公司 | Elevator trailing photoelectric hybrid cable and preparation method thereof |
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