CN214476568U - Intelligent tensile composite cable - Google Patents

Abstract

The utility model relates to an intelligent tensile composite cable, include cable core, inner sheath, the supervision core group that sets gradually from interior to exterior, weave aramid fiber silk enhancement layer and oversheath, the cable core is including the central strengthening core that is located central position and around a plurality of thread core group, instrument core group and the control core group of arranging in proper order outside the central strengthening core, and the control core group is formed by a plurality of control core and a plurality of optical transmission unit transposition. The utility model provides an intelligent tensile composite cable, with the thread core, the control core, the instrument sinle silk, the optical cable etc. are in the same place, facilitate the use, can avoid all kinds of cable same problems, reduce the required space of cable use simultaneously, avoid the winding of wiring, disconnected core etc., increase of service life, mainly used cable receives pulling force or cable surface receives in the adverse circumstances that external force collided, whole cable has certain compliance, tear resistance, tensile resistance, temperature resistance, insulativity etc., can in time resist external force striking, certain elasticity has.

Description

Intelligent tensile composite cable

Technical Field

The utility model belongs to the technical field of the tensile cable, concretely relates to intelligent tensile composite cable.

Background

With the continuous development of all industries in the world, the development and use environment of equipment become diversified, and more and higher use requirements are provided for matched cables. The conventional cable is mainly used for electric energy transmission or monitoring and signal transmission, but aiming at special occasions such as the cable needs to be moved and dragged, the cable needs to have enough tensile capacity on the premise of ensuring normal power transmission and communication transmission. In special occasions such as mines and quarries, the cable is impacted by hard objects, and the conventional cable is damaged due to the fact that the cable is broken due to local stress, and the service life of the conventional cable is shortened. Therefore, the intelligent tensile composite cable capable of avoiding core breakage has important practical significance.

SUMMERY OF THE UTILITY MODEL

For solving the problem in the prior art, the utility model aims to provide an intelligent tensile composite cable.

In order to realize the above purpose, reach above-mentioned technological effect, the utility model discloses a technical scheme be:

the utility model provides an intelligent tensile composite cable, includes cable core, inner sheath, the monitoring wire core group that from interior to exterior set gradually, weaves aramid fiber silk enhancement layer and oversheath, and the first wire rope of oversheath bilateral symmetry crowded package forms two ears, the cable core is including the center that is located central point and strengthen the core and strengthen a plurality of thread core group, a plurality of instrument thread core group and a plurality of control thread core group that the core was arranged around the center in proper order outside the core, and the control thread core group is formed by a plurality of control thread core and a plurality of optical transmission unit transposition.

Further, the inner sheath outside with keep watch on between the core group around covering semiconduction nylon area, keep watch on the core group and weave from interior to exterior and set gradually semiconduction nylon area and strenghthened type non-woven fabrics between the aramid fiber silk enhancement layer.

Furthermore, the monitoring wire core group comprises a plurality of monitoring wire cores which are uniformly twisted outside the inner sheath, and the monitoring wire cores are flat copper woven hollow pipes.

Further, the thread core group includes by outer to interior main core insulating layer, first enhancement layer and the main core conductor that sets gradually, the main core conductor adopts the transposition of a plurality of conductor unit to form, and every conductor unit weaves the pipe and weaves a plurality of single strand that the outside of tubes was arranged around the copper including being located central point and putting, and the conductor unit outside is around package enhancement non-woven fabrics layer.

Furthermore, the control wire core group comprises a belt, a steel wire core positioned at the center position, a plurality of control wire cores and a plurality of optical transmission units are arranged in the belt and twisted around the outside of the steel wire core in a right-hand cabling mode, and the cabling pitch-diameter ratio is controlled to be 8-10.

Further, the control sinle silk includes control sinle silk insulating layer, second enhancement layer, copper wire weaving layer and the control sinle silk conductor that sets gradually from outer to inner, and the weaving density of copper wire weaving layer is not less than 90%, the control sinle silk conductor is including the wire rope center core that is located central point and around a plurality of transposition conductor that wire rope center core outside was arranged.

Further, the optical transmission unit comprises an optical cable located in the central position, an aramid fiber woven layer is woven outside the optical cable, and a sheath of the optical transmission unit is extruded outside the aramid fiber woven layer.

Furthermore, the optical cable comprises a multimode optical fiber arranged in the center, and the exterior of the multimode optical fiber is sequentially provided with a water-blocking filling ointment, a loose tube, an aramid fiber bundle and a sheath.

Further, instrument core assembly includes that aramid fiber silk weaving layer, thin sheath, total shielding layer that set gradually from outer to inner fill the enhancement core with the center that is located central point and puts, the center is filled the enhancement core outside, is located total shielding in situ and sets up the unit of a plurality of around the outer transposition of center filling enhancement core to the sinle silk.

Furthermore, the unit is to the conductor of the instrument wire core group that the shielding layer and cladding in the inside two pairs of twists of the shielding layer is divided to the tinned copper wire that the unit includes that from outer to interior set gradually divides the shielding layer, and the conductor outside crowded package of instrument wire core group is insulating.

Furthermore, the central reinforcing core comprises an outer protection layer, an aramid fiber yarn woven reinforcing layer, an inner protection layer and a steel wire rope which are sequentially arranged from outside to inside.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an intelligent tensile composite cable, include cable core, inner sheath, the monitoring wire core group that from interior to exterior set gradually, weave aramid fiber silk enhancement layer and oversheath, the first wire rope of oversheath bilateral symmetry crowded package forms two ears, the cable core is including the center that is located central point and strengthens the core and around a plurality of thread core group, a plurality of instrument thread core group and a plurality of control thread core group that the core was arranged in order outside the center strengthens the core, and the control thread core group is formed by a plurality of control thread core and a plurality of optical transmission unit transposition. The utility model provides an intelligent tensile composite cable, with the thread core, the control sinle silk, the instrument sinle silk, the light transmission unit etc. are in the same place, facilitate the use, can avoid all kinds of cable same problems, can reduce the cable simultaneously and use required space, avoid the winding of wiring, disconnected core etc., increase of service life, mainly used cable receives pulling force or cable surface receives in the adverse circumstances that external force collided, whole cable has certain compliance, tear resistance, tensile resistance, the temperature resistance, excellent performance such as insulating nature, can in time resist the external force striking, certain elasticity has.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the main wire core group of the present invention;

fig. 3 is a schematic structural view of the control wire core set of the present invention;

fig. 4 is a schematic structural view of the instrument wire core assembly of the present invention;

fig. 5 is a schematic structural diagram of an optical cable according to embodiment 1 of the present invention.

Detailed Description

The embodiments of the present invention are described in detail below to make the advantages and features of the present invention easier to understand by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention.

As shown in fig. 1-4, an intelligent tensile composite cable comprises a cable core, an inner sheath 5, a semi-conductive nylon tape 6, a monitoring core group, a semi-conductive nylon tape layer, a reinforced non-woven fabric 7, a braided aramid fiber yarn reinforced layer 8 and an outer sheath 9 which are arranged in sequence from inside to outside; the cable core comprises a central reinforced core positioned at the central position, and a plurality of main wire core groups, a plurality of instrument wire core groups and a plurality of control wire core groups which are sequentially distributed around the central reinforced core, wherein the plurality of control wire cores and the plurality of optical transmission units are twisted to form the control wire core groups; the utility model discloses a crowded package inner sheath 5 after the stranding is filled around central strengthening core to thread core group, instrument thread core group and control thread core group, inner sheath 5 is outer around wrapping the surveillance thread core group that 6 after-wind transposition a plurality of supervision sinle silks of package semiconduction nylon belt 6-1 formed, it weaves aramid fiber silk enhancement layer 8 to monitor thread core group outer around wrapping semiconduction nylon belt layer and 7 after-wind of strenghthened type non-woven fabrics, weave 8 outside crowded package oversheath 9 on aramid fiber silk enhancement layer, at the crowded first wire rope 1-1 of wrapping of 9 bilateral symmetry of oversheath, form two ears.

The central reinforcing core comprises an outer protective layer 4, an aramid fiber woven reinforcing layer 3, an inner protective layer 2 and a steel wire rope 1 which are sequentially arranged from outside to inside, wherein the steel wire rope 1 is positioned at the central position of the central reinforcing core, the central reinforcing core is positioned at the central position of the whole cable, and the size of the central reinforcing core is required to ensure that the cable is round and compact when the cable is formed.

The main wire core group comprises a main wire core insulating layer 15, a first reinforcing layer 14 and a main wire core conductor which are sequentially arranged from outside to inside, and the main wire core conductor is formed by twisting a plurality of conductor units; every conductor unit is including being located the copper of central point and weaving pipe 11 and around a plurality of single strand 13 that the outside formal of copper weaving pipe 11 was arranged, and many copper tows strand hank into single strand 13, weave the copper weaving pipe 11 that a steel wire strengthens rope 10 and pull, and steel wire in the copper weaving pipe 11 strengthens rope 10 and plays the effect that the tensile is strengthened, and the copper weaving pipe 11 that adopts the copper to weave the structure can increase the conductor cross-section, and at the tensile in-process of cable atress, guarantees cable transmission safety. With copper braided tube 11 as the center, arrange a plurality of single strands 13 (six preferred single strands 13) according to the mode of regular arrangement outside copper braided tube 11 and twist into a conductor unit, the conductor unit outside is around wrapping reinforcing non-woven fabrics layer 13-1, it is not less than 20% to lap the lid rate, the conductor unit of this structure is softer, the circularity and the tensile resistance of reinforcing conductor unit, and the conductor unit with a plurality of packages reinforcing non-woven fabrics layer 13-1 twists into main core conductor according to the regular arrangement again, preferably adopts seven conductor units to twist into main core conductor according to 1+6 transposition mode.

The control sinle silk includes control sinle silk insulating layer 26, second enhancement layer 25, copper wire weaving layer 24 and the control sinle silk conductor that sets gradually from outer to inner, and the weaving density of copper wire weaving layer 24 is not less than 90%, makes control sinle silk conductor surfacing, and is difficult loose, increases control sinle silk conductor's sectional area, prevents because the tensile resistance that influences control sinle silk conductor of monofilament in the use, strengthens tensile type simultaneously, prevents that the conductor from splitting.

The control wire core conductor is reinforced by adopting the center of the steel wire rope, the control wire core conductor comprises a steel wire rope center core positioned at the center and a plurality of stranded conductors 22 regularly distributed around the outside of the steel wire rope center core, and the center of the steel wire rope center core is a center steel wire rope 23.

The optical transmission unit is provided with one optical transmission unit, the optical transmission unit adopts a special optical cable, a layer of aramid fiber woven layer 28 is woven outside the optical cable 27, and an optical transmission unit sheath 29 made of chlorinated polyethylene rubber mixture is extruded outside the aramid fiber woven layer 28 to form a tensile complete optical transmission unit.

A plurality of control wire cores and an optical transmission unit are stranded in a cabling mode in the right direction sequence around a steel wire core located in the center position, then a wrapping tape 31 is wound to form a control wire core group, the steel wire core is formed by adopting a structure that a central steel wire reinforcing rope 23-1 is wrapped with rubber insulation 30 in an extruding mode, the cabling pitch-diameter ratio is controlled to be 8-10, the tensile capacity of the control wire core group is enhanced by the central steel wire reinforcing rope 23-1, and the problem that copper wires are broken when conductor wire core rows are arranged in the center can be solved by adopting the structure.

The instrument wire core group is provided with one, the center position of the instrument wire core group is provided with a center filling reinforced core which adopts a structure that a steel wire rope 16 is extruded and wrapped with insulation 17, conductors 18 of the instrument wire core group adopt a mode of twisting a plurality of copper wires, an aramid fiber wire is added at the center when the conductors 18 of the instrument wire core group are twisted, the conductors 18 of the instrument wire core group are extruded and wrapped with insulation, two layers of polyester tapes 19 are wrapped around the conductors 18 of every two extruded and insulated instrument wire core groups after being twisted into a cable, then a tinned copper wire sub-shielding layer 20 is braided outside the polyester tapes 19, the braiding density is not less than 90 percent, the shielding and the tensile action are simultaneously realized, two layers of polyester tapes are selectively wrapped outside the tinned copper wire sub-shielding layer 20 according to the actual requirement to form a unit pair wire core 16-1, a plurality of unit pair wire cores 16-1 are twisted around the center filling reinforced core outside positioned at the center position and are twisted and then a tinned copper wire braided shielding layer 21 is adopted, the outer portion of the total shielding layer 21 is wrapped with the wrapping tape, the thin sheath 21-1 is wrapped in an extruded mode, the aramid fiber woven layer 21-2 is woven outside the thin sheath 21-1, the strength of the instrument wire core group is effectively enhanced through the structure, breakage of the wire cores is avoided, and the polyester tape can be selectively arranged according to actual requirements.

The main wire core insulating layer 15 is made of high-strength and high-tear-resistance silicon rubber, the tensile strength reaches 8MPa, the tear strength reaches 30kN/m, the temperature resistance grade of the main wire core conductor can meet 180 ℃, and the current-carrying capacity and the flexibility of the main wire core group are ensured.

The control wire core insulating layer 26 is made of ethylene propylene diene monomer rubber with good performance and high dielectric strength, and the performance-price ratio is high on the premise of ensuring the flexibility and performance of the cable.

The oversheath 9 material adopts the special rubber composite who contains P4U quick-witted silicon-based strain rate response type intelligent material, the strain response mechanism that has the intelligence, when the cable surface received great exogenic action, this material can make the transient response, can become hard mode from the soft state, resist external force, thereby make the cable body avoid destroying, this sheath material can avoid the cable to be in the intelligent reaction when receiving external force impact, in time resist external force striking, after the external force elimination, the rapid reconversion again, keep original state.

The preparation process of the utility model specifically comprises:

the wire core groups (a plurality of main wire core groups, a control wire core group and an instrument wire core group) are arranged in sequence by taking a central reinforced core as a center, cabling is carried out in the right cabling direction, the cabling pitch ratio is controlled to be 10-12, a layer of inner sheath 5 is extruded after cabling, the inner sheath 5 is made of chlorinated polyethylene material, the material has high strength and high flexibility, the cable can have good bending radius on the premise of ensuring tensile strength, the requirement of special use occasions is met, a layer of semi-conductive nylon belt 6 is wrapped outside the inner sheath 5, a plurality of monitoring wire cores 6-1 are wound and twisted to form a monitoring wire core group, the twisting pitch ratio is controlled to be 8-10, the monitoring wire cores 6-1 are copper-woven hollow pipes woven on a 16-ingot weaving machine, a flat structure is automatically formed in the copper-woven hollow pipe take-up process and the semi-conductive nylon belt 6 is uniformly twisted outside the copper-woven hollow pipes, the monitoring wire core 6-1 is externally wrapped with a layer of semiconductive nylon belt and a layer of reinforced non-woven fabric 7 from inside to outside in sequence, the reinforced non-woven fabric 7 is externally woven with 1500D aramid fiber yarns to form a woven aramid fiber yarn reinforced layer 8, the 1500D aramid fiber yarn breaking force can reach 300N at least, the tensile property of the reinforced cable can be further improved through a woven structure, the outer extruded outer sheath 9 of the aramid fiber yarn reinforced layer 8 is woven, meanwhile, the steel wire ropes 1 are symmetrically extruded on two sides of the outer sheath 9 to form two ears, and the important function of bearing and pulling the whole cable is achieved.

Example 1

As shown in fig. 1-5, taking 3 × 95+6 × 6+6 × 2 × 1.5+3 × 2.5+6FO (62.5/125) as an example, the intelligent tensile composite cable comprises a cable core, an inner sheath 5, a semiconductive nylon tape 6, a monitoring wire core group, a semiconductive nylon tape layer (not shown), a reinforced non-woven fabric 7, a braided aramid fiber wire reinforcing layer 8 and an outer sheath 9 which are arranged in sequence from inside to outside; the cable core comprises a central reinforced core positioned at the central position, and three main line core groups, an instrument line core group and a control line core group which are distributed around the central reinforced core, wherein six control line cores and an optical transmission unit are stranded around the steel wire core positioned at the central position to form the control line core group and the three main line core groups, an instrument wire core group and a control wire core group pack and crowded package inner sheath 5 behind the central reinforcement core packing stranding, the outer winding of inner sheath 5 is around the monitoring wire core group of 6-1 formation of three or other figure's monitoring sinle silks of winding transposition behind the semiconductive nylon area 6, it weaves around weaving aramid fiber silk enhancement layer 8 outside the monitoring wire core group in proper order after wrapping semiconductive nylon band layer and strenghthened type non-woven fabrics 7, weave 8 outside crowded package oversheath 9 of aramid fiber silk enhancement layer, at the first wire rope 1-1 of the crowded package of 9 bilateral symmetry of oversheath, form two ears.

The main wire core group comprises a main wire core insulating layer 15, a first reinforcing layer 14 and a main wire core conductor which are sequentially arranged from outside to inside, the main wire core conductor is formed by twisting seven conductor units in a 1+6 twisting mode, and a reinforcing non-woven fabric layer 13-1 is wrapped outside the conductor units; each conductor unit comprises a copper braided tube 11 positioned at the central position and a plurality of single wires 13 regularly arranged around the outside of the copper braided tube 11, and each 44 copper monofilaments with the diameter of 0.254mm are twisted into one single wire 13; on a braiding machine, taking a steel wire reinforcing rope 10 with a nominal diameter of 1.2mm as traction, and braiding a copper braided layer by adopting a copper wire with a diameter of 0.12mm, wherein the braiding density is not less than 90%, the steel wire reinforcing rope 10 is positioned at the center, and the copper braided layer is positioned at the periphery of the steel wire reinforcing rope 10 to form a copper braided tube 11 taking the steel wire reinforcing rope 10 as traction; with this copper braided tube 11 as the center, arrange 6 strand single strands 13 around copper braided tube 11 order, right side transposition becomes a conductor unit, the conductor unit outside is around the package and is strengthened non-woven fabrics layer 13-1, later with seven conductor units around package and strengthen non-woven fabrics layer 13-1 according to the left side transposition, 1+ 6's formal arrangement transposition becomes the main core conductor, main core conductor external diameter 17.0mm, around a layer enhancement non-woven fabrics as first enhancement layer 14 outside the main core conductor, make the conductor tighten, guarantee to overlap the lid rate and be not less than 20%.

The main line core insulating layer 15 is made of high-strength and high-tear-resistance silicone rubber, the thickness of the main line core insulating layer is 1.8mm, the main line core group is soft and high-temperature resistant, and in the using process, the conductor is safe when the temperature is too high in a short time.

Control sinle silk includes control sinle silk insulating layer 26 that sets gradually from outer to inner, by strengthening the second enhancement layer 25 that the non-woven fabrics made, copper wire weaving layer 24 and control sinle silk conductor, the density of weaving of copper wire weaving layer 24 is not less than 90%, makes control sinle silk conductor surfacing, and is difficult loose, increases control sinle silk conductor's sectional area, prevents because the tensile resistance that influences control sinle silk conductor of monofilament in the use, strengthens tensile type simultaneously, prevents that the conductor from splitting.

The control core conductor is reinforced by the center of the steel wire rope and comprises a steel wire rope center core positioned at the center and a plurality of stranded conductors 22 regularly distributed around the outside of the steel wire rope center core. 19 copper monofilaments with the diameter of 0.254mm are twisted into a folded yarn in the right direction, a steel wire rope central core made of a central steel wire rope 23 with the nominal diameter of 1.2mm is used as the center, 6 folded yarns are twisted into a control wire core conductor in the left direction according to a 1+6 structure, and the outer diameter of the control wire core conductor is 3.7 mm.

The control wire core insulating layer 26 is made of ethylene propylene diene monomer rubber with good performance and high dielectric strength, and the thickness is 1.2 mm.

The optical transmission unit is provided with one optical cable, the optical cable 27 in the optical transmission unit adopts a 6-core multimode 62.5/125 special optical cable, a layer of aramid fiber braided layer 28 is braided outside the optical cable 27, and a layer of optical transmission unit sheath 29 made of chlorinated polyethylene rubber mixture with the thickness of 1.5mm is extruded outside the aramid fiber braided layer 28 to form a tensile complete optical transmission unit.

The optical cable 27 in the optical transmission unit has a structure of:

6-core multimode fibers 27-1 are arranged in the center, water-blocking filling ointment 27-2 is arranged outside the multimode fibers 27-1, a loose tube 27-3 is arranged outside the water-blocking filling ointment 27-2, the loose tube 27-3 is made of high-temperature-resistant 180 ℃ engineering plastics, the thickness of the loose tube 27-3 is 0.5mm, an imported DuPont flame-retardant high-temperature-resistant aramid fiber bundle 27-4 is used for reinforcing the outside of the loose tube 27-3, and then a sheath 27-5 made of high-temperature-resistant high polymer materials with the thickness of at least 0.2mm is extruded outside the aramid fiber bundle 27-4 to form the optical cable 27 with the outer diameter of 3.5 mm.

Six control wire cores and a light transmission unit are stranded in a cabled manner in a right-hand sequence around a steel wire core positioned at the central position, and then are wrapped around a belting 31 (non-woven fabric) to form a control wire core group, the steel wire core is formed by adopting a structure that a central steel wire reinforcing rope 23-1 with the nominal diameter of 1.8mm is externally extruded with a rubber insulation 30, the cabled pitch-diameter ratio is controlled to be 8-10, the tensile capacity of the control wire core group is enhanced by the central steel wire reinforcing rope 23-1, and the problem of copper wire breakage of a conductor wire core row at the center can be prevented by adopting the structure.

The instrument wire core group is provided with one, the center of the instrument wire core group is provided with a center filling reinforced core formed by a structure that a steel wire rope 16 is extruded outside to wrap an insulator 17, a conductor 18 of the instrument wire core group is twisted by 30 copper wires with the diameter of 0.245mm, an aramid fiber wire is added in the center when the conductor 18 of the instrument wire core group is twisted, and the twisting pitch ratio is controlled to be 18-20 in the twisting process; after the conductors 18 of the instrument wire core group are twisted, an insulating layer is extruded, the insulating layer preferably adopts ethylene propylene diene monomer rubber, the thickness of the insulating layer is 0.8mm, and in order to avoid the adhesion between the insulating layer and the conductors of the instrument wire core group, longitudinal wrapping electric insulation paper is arranged between the insulating layer and the conductors 18 of the instrument wire core group; every two conductor 18 pairs of crowded insulating instrument wire core group of package are twisted into the cable, the transposition pitch of hank in-process control is within 150mm, in this within range, guarantee the pitch ratio at 14-16, for the pull resistance of guaranteeing instrument wire core group, fill sufficient aramid fiber silk material at the side gap during hank, the pair twist is round and neat, 2 layers of polyester tape 19 around the package after the pair twist, 19 outside weaving of polyester tape then divide shielding layer 20 by the tinned copper wire of 0.15mm that is woven, weaving density is not less than 90%, play the tensile effect when shielding, 20 outside package two-layer polyester tapes around the copper wire tinned branch shielding layer, form unit to 16-1 of sinle silk, the polyester tape can be according to actual demand selectivity setting. Six units pack the outside transposition of enhancement core around the center and adopt the tinned copper wire to weave total shielding layer 21 again after the transposition selective around package non-woven fabrics, the mode that adopts the tinned copper wire to weave plays total shielded effect, total shielding layer 21 outside around package band crowded package one deck chlorinated polyethylene material thin sheath 21-1 of making, one deck aramid fiber silk weaving layer 21-2 is woven outward to thin sheath 21-1, the effectual intensity of strengthening the instrument wire core group of this structure, avoid the fracture of sinle silk, tensile strength is good.

The central reinforced core, the three main thread core groups, the instrument thread core group and the control thread core group are assembled into a cable according to the arrangement mode of 1 (the central reinforced core) +5, and the central reinforced core has the structure that:

the steel wire rope 1 with the diameter of 3.0mm is taken as a center for traction, the inner protection 2 made of ethylene propylene rubber is extruded outside the steel wire rope 1, then the aramid fiber yarn woven reinforced layer 3 is adopted, and the extrusion strength of the aramid fiber yarn woven reinforced layer 3 reaches 15N/mm²The chlorinated polyethylene mixture of (4). The cabling pitch ratio of the assembly cable is controlled to be 10-12, the inner sheath 5 is extruded after two layers of reinforced non-woven fabrics are selectively wrapped after the assembly cable is assembled, and the material of the inner sheath 5 has the strength of 15N/mm²The thickness of the inner sheath 5 is 2.5mm, the inner sheath 5 can be selectively wrapped with two layers of reinforced non-woven fabrics and then extruded according to actual requirements after the cable assembly, a layer of semi-conductive nylon belt 6 is wrapped outside the inner sheath 5, 3 monitoring cable cores are wrapped and twisted 6-1, and the twisting pitch ratio is controlled to be 8-10. The monitoring wire core 6-1 adopts 5 copper wires with the diameter of 0.195mm to be twisted and weaves a copper-weaved hollow tube on a 16-spindle braider, the copper-weaved hollow tube automatically forms a flat structure in the take-up process,the cable is characterized in that the cable is averagely wound and twisted outside a semiconductive nylon belt 6, then a semiconductive nylon belt layer (not shown) is wound and then a reinforced nonwoven fabric layer 7 is wound, the reinforced nonwoven fabric layer 7 is reinforced by a woven aramid fiber reinforced layer, the weaving density is not less than 80%, an outer sheath 9 is extruded outside the woven aramid fiber reinforced layer 8, the outer sheath 9 is made of a rubber composite material which specially contains a P4U machine silicon-based strain rate response type intelligent material, the thickness is 4.0mm, when the outer sheath 9 is extruded, two steel wire ropes 1 with the nominal diameter of 3.0mm are symmetrically extruded on two sides of the outer sheath 9 by using a sheath material, two symmetrical lugs are formed, and the overall tensile capacity of the cable is further enhanced.

The utility model discloses the part of not specifically describing adopt prior art can, do not describe here any more.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.

Claims (10)

1. The utility model provides an intelligent tensile composite cable, its characterized in that includes cable core, inner sheath, the monitoring wire core group that from interior to exterior set gradually, weaves aramid fiber silk enhancement layer and oversheath, and the first wire rope of oversheath bilateral symmetry crowded package forms two ears, the cable core is including the center that is located central point and strengthens the core and strengthen a plurality of thread core group, a plurality of instrument thread core group and a plurality of control thread core group that the core was arranged around the center in proper order outside the core, and the control thread core group is formed by the transposition of a plurality of control thread core and a plurality of optical transmission unit.

2. The intelligent tensile composite cable of claim 1, wherein a semiconductive nylon belt is wrapped around the inside of the inner sheath and between the monitoring wire core group, and the semiconductive nylon belt and the reinforced non-woven fabric are sequentially arranged from inside to outside between the monitoring wire core group and the woven aramid fiber wire reinforcing layer.

3. The intelligent tension composite cable of claim 1, wherein the monitoring core set comprises a plurality of monitoring cores uniformly twisted outside the inner sheath, and the monitoring cores are flat copper braided hollow tubes.

4. The intelligent tensile composite cable according to claim 1, wherein the main wire core group comprises a main wire core insulating layer, a first reinforcing layer and a main wire core conductor which are sequentially arranged from outside to inside, the main wire core conductor is formed by twisting a plurality of conductor units, each conductor unit comprises a copper braided tube positioned at a central position and a plurality of single-stranded wires arranged around the outside of the copper braided tube, and the outside of each conductor unit is wrapped with a reinforcing non-woven fabric layer.

5. The intelligent tensile composite cable according to claim 1, wherein the control wire core group comprises a wrapping tape, a steel wire core positioned at a central position and a plurality of control wire cores and a plurality of light transmission units which are stranded around the outside of the steel wire core in a right-hand cabling manner are arranged in the wrapping tape, and the cabling pitch-diameter ratio is controlled to be 8-10.

6. The intelligent tensile composite cable according to claim 1 or 5, wherein the control wire core comprises a control wire core insulating layer, a second reinforcing layer, a copper wire braided layer and a control wire core conductor which are sequentially arranged from outside to inside, the braiding density of the copper wire braided layer is not less than 90%, and the control wire core conductor comprises a steel wire rope central core located at a central position and a plurality of stranded conductors arranged around the outside of the steel wire rope central core.

7. An intelligent tensile composite cable according to claim 1 or 5, wherein the optical transmission unit comprises an optical cable at a central position, an aramid fiber braided layer is braided outside the optical cable, a sheath of the optical transmission unit is extruded outside the aramid fiber braided layer, the optical cable comprises multimode optical fibers arranged at the center, and the multimode optical fibers are sequentially provided with water-blocking filling ointment, a loose sleeve, an aramid fiber bundle and a sheath outside the multimode optical fibers.

8. The intelligent tensile composite cable according to claim 1, wherein the instrument wire core group comprises an aramid fiber wire braid layer, a thin sheath, a total shielding layer and a center filling reinforced core positioned at a central position, which are sequentially arranged from outside to inside, and a plurality of unit pair wire cores twisted around the center filling reinforced core are arranged outside the center filling reinforced core and in the total shielding layer.

9. The intelligent tensile composite cable according to claim 8, wherein the unit pair cores comprise a tinned copper wire sub-shielding layer and two twisted conductors of the instrument core group, which are coated inside the tinned copper wire sub-shielding layer, from outside to inside, and the conductors of the instrument core group are extruded and insulated.

10. The intelligent tensile composite cable according to claim 1, wherein the central reinforcing core comprises an outer sheath, an aramid fiber braided reinforcing layer, an inner sheath and a steel wire rope which are arranged in sequence from outside to inside.

Images