CN211150124U

CN211150124U - Multifunctional high-tensile ultra-flexible cable

Info

Publication number: CN211150124U
Application number: CN202020018587.XU
Authority: CN
Inventors: 王杨; 沈智飞; 何壮; 周禄成; 时东江; 石洪志; 李岚彬; 田旭琴
Original assignee: Sunway Co Ltd
Current assignee: Sunway Co Ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-07-31
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a super soft cable of multi-functional high tensile belongs to wire and cable technical field. The utility model discloses a super soft cable of multi-functional high tensile, including insulation core, tensile component, band layer, filling layer, shielding layer, oversheath, its characterized in that: the copper conductor is formed by stranding fine copper wire bundles, and the insulating layer is formed by extruding a silicon rubber material; the tensile element is formed by twisting aramid fiber tow yarns, extruding and wrapping silicon rubber and insulating; the belting layer is formed by lapping a layer of non-woven fabric outside the cable core; the filling layer is formed by extruding a silicon rubber material on an extruding machine so that the silicon rubber fills the gaps of the cable core; the shielding layer is formed by weaving thin round steel wires; the outer sheath is extruded thermoplastic TPU elastomer. The utility model discloses cable tensile strength is greater than or equal to 35MPa when can satisfying the drawing, and the cable bends repeatedly and does not ftracture, realizes a multiple equipment of cable junction.

Description

Multifunctional high-tensile ultra-flexible cable

Technical Field

The utility model relates to a cable, a multi-functional high tensile super soft cable.

Background

The technical difficulty of the cable is to ensure that the cable has better flexibility, is convenient for bending and winding in the using process, and also needs to have very high tensile strength to ensure that the cable has certain tensile strength, while the common tensile power cable is reinforced by adopting the central steel wire, but the steel wire can apply stress to the insulating layer and the sheath layer of the cable in the bending process, and the cable is easily extruded and damaged.

The national intellectual property office in 2019, 9, 10 discloses a utility model with the publication number of 209374152U, entitled "flexible anti-twisting coaxial cable", which comprises an inner conductor, the outer part of the inner conductor is sequentially coated with a first insulating layer, a second insulating layer, a third insulating layer, a shielding layer and an outer sheath, the first insulating layer is an FEP or PFA insulating layer, the second insulating layer is a foamed polypropylene resin layer with the foaming rate of 30-40%, the third insulating layer is a polypropylene resin layer, the tensile strength of the second insulating layer is greater than that of the first insulating layer, the second insulating layer and the third insulating layer are bonded into a whole by a bonding agent, the tensile strength and the elongation of the third insulating layer are both greater than that of the second insulating layer, the shielding layer is two layers of copper alloy wires which are of reverse spiral winding weaving structures and have different spiral angles, the spiral angle is 45 degrees to 60 degrees, and the oversheath is PVC or PU sheath. The cable has excellent flexibility and twisting resistance, but has weak performance in response to high-strength mechanical tension in frequent movement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technical defect, provide a multi-functional high tensile super soft cable, make it can be at the workplace work of bending repeatedly, frequent removal, can bear the mechanical pulling force of high strength again, can also realize the function of butt joint multiple equipment.

In order to realize the purpose of the invention, the utility model adopts the technical scheme that: multifunctional high tensile super flexible cable includes tensile component, conductor, insulating layer, stranding band layer, filling layer, shielding layer and oversheath, its characterized in that from inside to outside in proper order: the conductor is formed by twisting a plurality of strands of copper wires; the insulating layer is silicon rubber; the filling layer is silicon rubber; the shielding layer is a thin round steel wire; the outer jacket is a thermoplastic TPU elastomer.

In order to realize the technical indexes, the utility model discloses a following technical scheme realizes:

the utility model provides a super soft cable of multi-functional high tensile, includes insulation core, tensile component, band layer, filling layer, shielding layer, oversheath, its characterized in that: the insulated wire core is composed of a copper conductor and an insulated layer; the tensile element is formed by twisting aramid fiber tow yarns, extruding and wrapping silicon rubber and insulating; the belting layer is formed by lapping a layer of non-woven fabric outside the cable core in an overlapping way, so that the cable core is tightened to avoid back twisting; the filling layer is formed by extruding a silicon rubber material on an extruding machine, so that the silicon rubber fills the gaps of the cable cores and the cable is round; the shielding layer is formed by weaving thin round steel wires; the outer jacket is a thermoplastic TPU elastomer extruded on an extruder.

The conductor is formed by twisting a plurality of strands of copper wires, so that the cable is very soft, is convenient to wind and bend, has small bending radius and can be used in places where the cable frequently moves.

The insulating layer is made of high-strength silicon rubber materials, the insulating layer has good electrical insulating performance and corona performance, has the characteristics of ageing resistance, acid and alkali resistance, high temperature resistance and the like, also has good rebound resilience, can be restored to the original state after being pressed for a long time, and meets the requirements of the flexibility, easy bending, stretching and the like of the cable.

The filling layer is extruded and filled by the silicon rubber material, so that the cable core is round, the cable is provided with good bending performance and corrosion resistance, the cable can maintain good chemical performance when working in a severe environment, and the flexibility of the cable is met.

The aramid fiber yarn folded yarn is placed in the middle of the cable core, so that the cable has a high-strength tensile resistance effect, the stress is uniform and balanced, the cable is prevented from being broken in the moving process, and the phenomena that the cable insulating layer is extruded and damaged and the sheath is torn are effectively prevented.

The shielding layer adopts thin steel wire weaving as the armor layer, not only plays the effect of cable core shielding, more the cable provides effectual physical mechanical protection effect, makes its work in abominable environment still can bear higher mechanical stress, has satisfied the compliance of cable again simultaneously.

The outer sheath is a thermoplastic TPU elastomer extruded on an extruding machine, and the material has the characteristics of high strength, high tensile force, aging resistance, chemical corrosion resistance and the like, meets the characteristic of easy cable winding, and enables the cable to be suitable for harsh industrial environments and occasions with corrosive coolants and lubricating oil.

Compared with the prior art, the utility model, the income of bringing shows:

1. the utility model discloses a many aramid fiber tow silks become the thigh, and crowded package silicon rubber insulation is arranged in and is made tensile component in the middle of the cable core, makes the cable guarantee its compliance, has avoided the wearing and tearing to cable core moreover at the removal in-process, and bending property is good.

2. The utility model discloses a thin steel wire is woven as the shielding layer, has not only played the effect of cable core shielding, more the cable provides effectual physical mechanical protection effect, makes its work still can bear higher mechanical stress in rugged environment, has satisfied the compliance of cable again simultaneously.

3. The utility model discloses the structure is multi-functional transmission medium cable, can the simultaneous transmission control model in the cable, can also transmit electric power, and this has solved the mixed and disorderly phenomenon of laying site cable at to a great extent, is applicable to the removal in narrow and small space and lays.

Drawings

1. Fig. 1 is a schematic cross-sectional structure diagram of the present invention.

2. Reference numeral 1: 1. insulating aramid fiber silk sinle silk, 2, copper conductor, 3, insulating layer, 4, belting layer, 5, filling layer, 6, shielding layer, 7, oversheath.

Detailed Description

1. Example 1:

as a preferred embodiment of the present invention, refer to the attached figure 1:

the multifunctional high-tensile ultra-soft cable mainly comprises an insulated aramid fiber wire core, a copper conductor, an insulating layer, a belting layer, a filling layer, a shielding layer and an outer sheath, wherein the insulated aramid fiber wire core is formed by stranding 30 1500-denier aramid fiber bundle wires and extruding silicone rubber, and the conductor is formed by stranding 7 copper conductors with nominal sectional area of 50mm2 and stranding 4 copper conductors with nominal sectional area of 10mm 2; the insulating layer is formed by extruded silicon rubber, the nominal thickness of the copper conductor insulation with the nominal sectional area of 50mm2 is 1.4mm, and the nominal thickness of the copper conductor insulation with the nominal sectional area of 10mm2 is 1.0 mm; the conductor and the insulating layer form an insulating wire core; according to the cabling, an insulated aramid fiber wire core, 4 insulated wire cores with conductors with the nominal sectional area of 10mm2 and 7 insulated wire cores with the conductors with the nominal sectional area of 50mm2 are twisted in the right direction and the twisting pitch of the structure shown in the attached drawing 1, a layer of non-woven fabric with the thickness of 0.2mm is wrapped outside the cable core, and the cable core is fastened; the filling layer is formed by extruding silicon rubber outside the cabled cable core in an extrusion mode, the nominal thickness is 4mm, the silicon rubber is uniformly filled between the cable cores, the rounding of the cable is ensured, and the flexibility of the cable is ensured; the shielding layer is formed by weaving thin round steel wires with the diameter of 0.8mm, so that the shielding function of the cable core is achieved, and an effective physical and mechanical protection function is provided for the cable; the outer sheath layer is formed by extruding a thermoplastic TPU elastomer, the nominal thickness of the sheath is 2.7mm, and the product produced by the process is tested at high and low temperatures, so that the measured high-temperature pressure is qualified and the low-temperature impact is qualified.

2. Example 2:

the multifunctional high-tensile ultra-soft cable mainly comprises an insulated aramid fiber wire core, a copper conductor, an insulating layer, a belting layer, a filling layer, a shielding layer and an outer sheath, wherein the insulated aramid fiber wire core is formed by stranding 40 1500-denier aramid fiber bundle wires and extruding silicone rubber, and the conductor is formed by stranding 7 copper conductors with nominal sectional area of 70mm2 and stranding 4 copper conductors with nominal sectional area of 16mm 2; the insulating layer is formed by extruded silicon rubber, the nominal thickness of the copper conductor insulation with the nominal sectional area of 50mm2 is 1.4mm, and the nominal thickness of the copper conductor insulation with the nominal sectional area of 10mm2 is 1.0 mm; the conductor and the insulating layer form an insulating wire core; according to the cabling, an insulated aramid fiber wire core, 4 insulated wire cores with conductors with the nominal sectional area of 16mm2 and 7 insulated wire cores with the conductor nominal sectional area of 70mm2 are twisted according to the structure shown in the attached drawing 1, the twisting direction is the right direction, the twisting pitch is 40 times of the diameter of a cable core, a layer of non-woven fabric with the thickness of 0.2mm is wound outside the cable core, the cable core is fastened, the filling layer is formed by extruding silicon rubber outside the cabled cable core in an extrusion mode, the nominal thickness is 4mm, the silicon rubber is uniformly filled between the cable cores, the rounding of the cable is ensured, and the flexibility of the cable is ensured; the shielding layer is formed by weaving thin round steel wires with the diameter of 0.8mm, so that the shielding function of the cable core is achieved, and an effective physical and mechanical protection function is provided for the cable; the outer sheath layer is formed by extruding and wrapping a thermoplastic TPU elastomer, and the nominal thickness of the sheath is 2.8 mm; the product produced by the process is tested at high and low temperatures, and the high-temperature pressure and the low-temperature impact are qualified.

Claims

1. The utility model provides a super soft cable of multi-functional high tensile, includes insulating aramid fiber silk sinle silk (1), copper conductor (2), insulating layer (3), band layer (4), filling layer (5), shielding layer (6), oversheath (7), its characterized in that: the insulated aramid fiber wire core (1) is a tensile element formed by extruding aramid fiber wires and wrapping silicon rubber; the copper conductor (2) is formed by stranding fine copper wire bundles; the insulating layer (3) is made of extruded silicon rubber material; the wrapping layer (4) is non-woven fabric; the filling layer (5) is formed by extruding the silicon rubber filler by adopting an extruding type through an extruding machine; the shielding layer (6) is a thin round steel wire; the outer sheath (7) is extruded thermoplastic TPU elastomer.

2. The multifunctional high-tensile ultra-flexible cable as claimed in claim 1, wherein: the insulated aramid fiber wire core (1) is formed by 30 1500-denier aramid fiber bundles, and a silicon rubber material is extruded on the outer surface of the insulated aramid fiber wire core.

3. The multifunctional high-tensile ultra-flexible cable as claimed in claim 1, wherein: the copper conductor (2) is a fifth type conductor formed by stranding fine copper wire bundle wires with the diameter of 0.2-0.5 mm, the outermost layer of the fifth type conductor is in the left direction, and the adjacent layers are opposite; and a layer of non-woven fabric is lapped and wrapped right on the outer surface of the conductor to tighten the conductor.

4. The multifunctional high-tensile ultra-flexible cable as claimed in claim 1, wherein: the insulating layer (3) is made of extruded silicon rubber and bears the temperature of 180 ℃ at most.

5. The multifunctional high-tensile ultra-flexible cable as claimed in claim 1, wherein: the belting layer (4) is a layer of non-woven fabric which is lapped and lapped in an overlapping way.

6. The multifunctional high-tensile ultra-flexible cable as claimed in claim 1, wherein: and the filling layer (5) is formed by uniformly extruding a layer of silicon rubber on the outer surface of the cable core on a silicon rubber extruding machine after the cable core is cabled, and the requirements are as follows: the silicon rubber fills the gaps between the wire cores.

7. The multifunctional high-tensile ultra-flexible cable as claimed in claim 1, wherein: the shielding layer (6) is formed by weaving and armoring thin round steel wires on the outer surface of filled silicon rubber.

8. The multifunctional high-tensile ultra-flexible cable as claimed in claim 1, wherein: the outer sheath (7) is a high polymer material which is extruded from a thermoplastic TPU elastomer on an extruding machine, has the elongation at break of more than 50 percent and has better recoverability after the external force is removed.