Deep-sea high-strength low-change special composite rope

Abstract

The invention relates to the technical field of deep-sea ropes, and discloses a deep-sea high-strength low-change special composite rope, an inner core is a telecommunication cable, an aramid fiber protective sleeve is woven on the cable, and a second middle layer is woven with a carbon fiber tensile protective sleeve and is wrapped with aluminum-foil paper. A third middle layer is woven on the basis of the second middle layer, a low-creep ultra-high molecular weight polyethylene fiber bearing layer is adopted, a polyurethane anti-freezing coating is added, an outer layer imide fiber and nylon fiber are woven into a protective layer, and coatings on the inner surface and the outer surface of the rope body are divided into four layers to be cured and sprayed, 2, PVC (polyethylene coating); 3, multifunctional coating; and 4, an ultraviolet-proof coating. According to the deep-sea high-strength low-change special composite rope, four layers of different-property nylon materials are woven and wrapped, so that the deep-sea high-strength low-change special composite rope has very high tensile strength and wear resistance, the rope sinks in deep sea and does not float by adjusting the specific gravity of rope body fibers, and the rope body is sprayed and covered; the acid resistance, alkali resistance, seawater resistance, weather resistance, anti-freezing performance and the like of the rope are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of deep-sea rope cable, in particular to a deep-sea high-strength low-creep variable special composite rope cable. BACKGROUND

[0002] The characteristics of the vastness, connectivity and concealment of deep-sea areas have shown increasingly important strategic positions and military values in maintaining national security and development, and have become the "sixth dimension" important strategic space after land, sea, air, sky and electromagnetic, deep-sea exploration can provide detailed geological, hydrological and other data support for deep-sea strategic space competition, and deep-sea exploration equipment is a deep-sea combat platform, such as deep-sea high-strength low-creep variable special rope cable, which is used in deep-sea interception net, connects the key node sensors of the net body, and transmits the real-time ocean interception net impacted by water flow, biological impact and other data to the shore station for long-distance data transmission, and has low electromagnetic interference and low transmission loss, the deep-sea high-strength low-creep variable special rope cable is an important component of the ocean complex environment monitoring network.

[0003] In the past 10 years, the world's marine powers have developed deep-sea observation and monitoring networks and manned / unmanned underwater deep-sea submersibles, and their capabilities in deep-sea ocean perception, development and activities have been greatly enhanced. It can be predicted that with the development of sensor technology, underwater system deployment and underwater combat network construction, maritime strategic games have evolved from traditional surface or local underwater space to three-dimensional depth of the entire sea area.

[0004] The deep-sea anchoring system related equipment is the key support equipment for accurate deployment, positioning and recovery in the deep sea, and its core component is the anchoring rope cable.

[0005] A kind of corrosion-resistant marine luminous signal transmission rope cable is disclosed in Chinese patent (authorized publication number CN213366177U), the patent technology has observability in deep-sea ocean, in the process of rope cable work, it is convenient for operator to observe and operate rope cable, it is convenient for underwater operation while having good shielding resistance and waterproofness, and has good working stability.

[0006] However, the existing rope cable mostly adopts the way of twisting, that is, the rope cable is designed in a single layer, resulting in low strength, which is easily damaged by the environmental factors of the deep sea when the rope cable is used in the deep sea. Therefore, the technical personnel in the field provides a deep-sea high-strength low-creep variable special composite rope cable to solve the problems raised in the above background technology. SUMMARY

[0007] The purpose of the present application is to provide a deep-sea high-strength low-creep variable special composite rope cable to solve the problems raised in the above background technology.

[0008] To achieve the above purpose, the present application provides the following technical implementation schemes:

[0009] I. Process flow

[0010] Raw material inspection - cable - aramid fiber twisting - aramid fiber braiding - carbon fiber twisting - carbon fiber stranding - braided carbon fiber - wrapped aluminum foil - HMPE twisting - HMPE stranding - HMPE braiding - polyurethane antifreeze - PI / PA blending - PI / PA stranding - PI / PA braiding - resin coating - finished product inspection

[0011] II. The invention "a deep-sea high-strength low-creep special composite rope cable" is essential to ensure the performance and achieve the following performance of raw materials;

[0012] 1. Telecommunication cable: optical glass or plastic optical cable as transmission medium, transmitting data through optical signal, with wide bandwidth, anti-interference, small attenuation, transmission distance exceeding 100 kilometers, can be connected with 5G base station.

[0013] 2. Aramid fiber: main characteristics include high strength, high modulus, flame retardant, high and low temperature resistance, low elongation, good toughness, and anti-static. Protecting cables from rubbing each other.

[0014] 3. Carbon fiber: main characteristics: high strength, light weight, not easy to be corroded in various harsh environments, not easy to deform and damage, with electric conductivity and thermal conductivity.

[0015] 4. Aluminum foil: 40mm wide, moisture-proof and light-proof.

[0016] 5. Low creep ultra-high molecular weight polyethylene: has significant dimensional stability under long-term stress, better than ordinary high molecular polyethylene fiber, suitable for long-term tension or tension state places.

[0017] 6. Polyurethane antifreeze coating: forms a barrier to prevent water from penetrating into the rope and not freezing.

[0018] 7. Polyurethane and nylon fiber: a high-performance material with high temperature resistance of 200-300°C, low temperature resistance of -260°C, tensile strength of 100-200MPa, chemical corrosion resistance, acid and alkali resistance, and strong radiation resistance. It is suitable for harsh environments. Nylon is anti-static, elastic, resistant to oil, acid and alkali, easy to process and shape, suitable for high frequency friction environment.

[0019] 8. PVC (polyethylene coating): waterproof and moisture-proof, wear-resistant and scratch-resistant, chemical corrosion-resistant, flexible and insulating.

[0020] 9. Multifunctional coating: in marine engineering, nano carbon fiber and graphene composite coating, with corrosion and pollution resistance and anti-bioadhesion.

[0021] 10. Anti-UV coating: effectively blocks UV rays, reduces UV damage to coated objects, prevents aging, fading, etc., has good adhesion, strong weather resistance, and long service life.

[0022] III. Manufacturing process flow

[0023] 1. In the twisting process: adjust the tension force evenly according to the process requirements, design a reasonable critical twist, and reduce the loss of fiber strength.

[0024] 1.1 Aramid fiber, rope yarn diameter Φ0.2-1mm, critical twist 18-20 twists per meter.

[0025] 1.2 Carbon fiber, 100D, 15 rope yarn diameter Φ0.5-1mm, critical twist 15-20 twists per meter.

[0026] 1.3 Low creep ultra-high molecular weight polyethylene, 1600D, single filament 12 rope yarn diameter Φ2-3mm, critical twist 20-25 twists per meter.

[0027] 1.4 Polyimide and nylon fiber blend, 1000 each 10 rope yarn diameter Φ1.5, critical twist 40-45 twists per meter, outer rope yarn of rope strand should be covered with nylon fiber, core is polyimide, the proportion of nylon in the total mass of the rope strand should not be less than 40%, the core is polyimide.

[0028] 2. Strand making process: use large twist pitch. The same small twist pitch ratio: one is to increase the number of yarns, and two is to reduce the strength loss. Produce according to the production process technical requirements.

[0029] 2.1 Aramid uses yarn guide machine, 1mm rope yarn guide double strand, S:12 strands, Z:12 strands, multi-core telecom cable is woven with aramid rope yarn for tensile protective layer, which has high strength, high modulus, flame retardant, high and low temperature resistance, low elongation.

[0030] 2.2 Carbon fiber, rope yarn diameter Φ0.5, strand twist pitch diameter (d), d x 20, S twist 12 strands, Z twist 12 strands.

[0031] 2.3 Low creep ultra-high molecular weight polyethylene, strand twist pitch diameter (d), d x 18, S twist 18 double strands, Z twist 18 double strands.

[0032] 2.4 Polyimide and nylon fiber rope strand diameter Φ1.5, S twist 24 double strands, Z twist 24 double strands, strand twist pitch strand diameter (d), d x 18. S:18 double strands, Z:18 double strands.

[0033] 3. Multi-strand braiding process: "the smaller the twist pitch or braiding pitch, the stiffer the rope, affecting the actual breaking strength of the rope", in accordance with the basic theory of ISO9954 standard clause 5.

[0034] 3.1 Aramid uses 24-strand (spindle) braider, twist pitch 60-80.

[0035] 3.2 Carbon fiber uses 24-strand (spindle) braider, twist pitch 80-100, the density of carbon fiber is lighter than steel and aluminum, resistant to high temperature, not easy to be corroded in various harsh environments, not easy to deform and damage, with electrically conductive and thermally conductive, can be used for electromagnetic shielding and other properties.

[0036] 3.3 Wrapping: wrapped with aluminum foil on the carbon fiber braided surface, to achieve the effect of moisture-proof and light-proof.

[0037] 3.4 Low creep ultra-high molecular weight polyethylene fiber, 36-strand (spindle) braider, braiding twist pitch 150-180, low creep ultra-high molecular weight polyethylene rope is 3-4 times longer than ordinary high molecular polyethylene in service life under the same tension.

[0038] 3.5 Coated 1 polyammonium fat anti-freezing coating, forming an object barrier on the low creep ultra-high molecular weight polyethylene braid, preventing water from penetrating into the rope body and not freezing.

[0039] 3.6. Polyammonium and nylon fiber with 48-strand (spindle) braider, rope yarn diameter Φ1.5, braiding twist pitch Dx3.5, with high temperature resistance, high strength (second load bearing layer). It has strong resistance to chemical corrosion, acid and alkali and organic solvent corrosion, strong radiation resistance, and is suitable for harsh environments. Nylon has good antistatic, elastic, oil resistance, acid and alkali resistance, and is easy to process and shape, suitable for high frequency friction scenes.

[0040] 4. Resin coating: in order to realize the functional characteristics of special rope and cable, coating must be added.

[0041] 4.1 Coated 1 polyammonium fat anti-freezing forming object barrier, preventing water from penetrating into the rope body and not freezing (third intermediate layer).

[0042] 4.2 Coating 2: PVC (polyvinyl chloride) coating: waterproof and moisture-proof, wear-resistant and scratch-resistant. It has good chemical corrosion resistance, flexibility and strong insulation.

[0043] 4.3 Coating 3: multifunctional coating: in marine engineering, nano carbon fiber and graphene composite coating, realizing corrosion prevention, antifouling and antibioadhesion.

[0044] 4.4 coating: UV-resistant coating: can effectively block UV penetration, reduce UV damage to the coated object, prevent aging, fading, etc., good adhesion, strong weather resistance, long service life and other properties. A kind of deep-sea high-strength low-creep special composite rope cable, by rope 4 layer different nature of the material of the yarn weaving package, with very high tensile strength and wear resistance and adjust the fiber specific gravity of the rope body so that the rope cable does not float in the deep sea, the outer four layers of the rope body are sprayed with resin, which has strength guarantee and reaches closed state to prevent freezing and aging, and the service life of the rope cable can reach 20 years.

[0045] A kind of deep-sea high-strength low-creep special composite rope cable, comprising a core (cable), the core (cable) is woven with a first intermediate aramid protective layer outside the cable, a second intermediate layer is woven with a carbon fiber material tensile layer and wrapped with an aluminum foil paper moisture-proof layer, a third intermediate layer is woven with a low creep ultra-high molecular weight polyethylene fiber load-bearing layer, a polyammonium fat anti-freezing coating layer is added, an object barrier is formed on the low creep ultra-high molecular weight polyethylene woven upper layer to prevent water from penetrating into the rope body and not freezing, and a fourth outer layer is woven with polyimide fiber and nylon fiber to form a wear-resistant protective sleeve and further improve the carrying capacity of the rope cable. The rope body is coated with a solidified PVC coating, a multifunctional coating and a UV-resistant coating to achieve water resistance, wear resistance, scratch resistance, chemical resistance, corrosion resistance, good flexibility, no fading, UV-resistant weather resistance and other characteristics.

[0046] As a one-step solution of the present application: the core (cable) is a telecommunications cable, the first intermediate aramid protective layer is aramid fiber, the thickness is 0.2-1mm and is woven with 24 strands.

[0047] As a two-step solution of the present application: the twist thickness of the nylon fiber and the imide fiber is 1.5mm, and the twist is 40-45 twists / m.

[0048] As a three-step solution of the present application: the twist thickness of the ultra-high molecular weight polyethylene is 2-3mm, and the twist is 20-25 twists / m.

[0049] As a four-step solution of the present application: the twist thickness of the carbon fiber is 0.5-1mm and the twist is 15-20 twists / m.

[0050] As a five-step solution of the present application: the polyimide fiber and nylon fiber are blended into a rope strand with a twist pitch strand diameter (d) of d x 18, the outer layer of the rope strand is covered with nylon fiber, the core is polyimide, and the proportion of nylon in the total mass of the rope strand should not be less than 40%.

[0051] As a six-step solution of the present application: the rope body is coated with: 1. PVC (polyvinyl chloride) coating, 2. multifunctional layer 3. UV-resistant coating. Achieve the characteristics of deep-sea high-strength low-creep special rope cable.

[0052] Compared with the prior art,The present invention has the advantage that :

[0053] 1. The deep-sea high-strength low-creep special rope cable of the present application is protected by the rope cable, which is woven with small elongation aramid and carbon fiber materials to protect the cable, increase the tensile strength, and achieve the effects of moisture resistance and light resistance by wrapping aluminum foil paper. The low-creep ultra-high molecular weight polyethylene fiber is woven into 36 strands to form a load-bearing layer, and a polyurethane anti-freezing coating is sprayed on this layer to form a barrier to prevent water from penetrating into the rope body and prevent icing. The fourth outer layer is designed to mix polyimide and nylon fibers and weave 48 strands of protective layer to further withstand and disperse large tension. Polyimide is known for its high temperature resistance of 200-300°C, low temperature resistance of -260°C, tensile strength of 100-200 MPa, chemical corrosion resistance, acid and alkali resistance, and strong radiation resistance, making it suitable for harsh environments. Nylon is anti-static, elastic, resistant to oil, acid and alkali, easy to process and shape, suitable for high-frequency friction scenes, and has the effect of preventing wear and tear. Through multi-layer design, the deep-sea low-creep ultra-high molecular weight polyethylene special rope cable can maintain long-term stable performance in extreme environments.

[0054] 2. The rope cable outer layer of the deep-sea high-strength low-creep special rope cable of the present application is cured by three layers of resin, coated, further enhanced anti-freezing effect, formed compression-resistant protective layer, water-absorbing moisture-proof layer, corrosion-resistant wear-resistant. Thus, the use of ultraviolet coating can effectively delay the aging process of the rope cable and enhance the durability of the rope cable.

[0055] 3. The deep-sea high-strength low-creep special rope cable of the present application uses a first intermediate aramid protective layer and a second intermediate layer woven with carbon fiber material to protect the cable and enhance the tensile strength. Low-creep ultra-high molecular weight polyethylene is the load-bearing layer of the rope cable, and the outer layer of polyimide fiber and nylon fiber is mixed and woven from multiple strands. Through multi-layer weaving, a dense fiber bundle is formed to improve the tensile strength and have low elongation. At the same time, resin coating provides strong tensile strength and wear resistance while maintaining low elongation. BRIEF DESCRIPTION OF DRAWINGS

[0056] Fig. 1 It is a structural schematic diagram of a deep-sea high-strength low-creep special composite rope cable;

[0057] Fig. 2 It is a structural schematic diagram of a deep-sea high-strength low-creep special composite rope cable, a first intermediate layer, a second intermediate layer, and a wrapping;

[0058] Fig. 3 It is a structural schematic diagram of a deep-sea high-strength low-creep special composite rope cable, a third intermediate layer;

[0059] Fig. 4 It is a structural schematic diagram of a deep-sea high-strength low-creep special composite rope cable, an outer layer;

[0060] Fig. 5 It is a kind of deep sea high-strength low creep special composite rope cable structure diagram of the rope body coating. DETAILED DESCRIPTION

[0061] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0062] Please refer to Figs. 1-5 In the embodiments of the present application, a kind of deep sea high-strength low creep special composite rope cable, including core (cable), characterized by, core (cable) is woven with first intermediate aramid protective layer outside the cable, second intermediate layer is woven with carbon fiber material tensile layer and wrapped with aluminum foil paper moisture-proof layer, third intermediate layer is woven with low creep ultra-high molecular weight polyethylene fiber load-bearing layer, polyammonium fat anti-freezing coating is added, object barrier is formed on the low creep ultra-high molecular weight polyethylene woven upper layer, which prevents water from penetrating into the rope body and prevents icing, fourth outer layer is woven with polyimide fiber and nylon fiber, wear-resistant protective sleeve is woven, and the carrying capacity of the rope cable is further improved, the rope body is coated with solidified PVC coating, multifunctional coating and ultraviolet resistant coating, which achieves the characteristics of waterproof, wear-resistant and scratch-resistant, chemical-resistant, corrosion-resistant, good flexibility, colorfastness, ultraviolet-resistant weather resistance, etc.

[0063] In this embodiment, the core (cable) is a telecommunication cable, the first intermediate aramid protective layer is aramid fiber, and the thickness is 0.2-1mm and is woven with 24 strands.

[0064] In this embodiment, the twist thickness of the nylon fiber and the imide fiber is 1.5mm, and the twist is 40-45 twists / m.

[0065] In this embodiment, the twist thickness of the ultra-high molecular weight polyethylene is 2-3mm, and the twist is 20-25 twists / m.

[0066] In this embodiment, the twist thickness of the carbon fiber is 0.5-1mm, and the twist is 15-20 twists / m.

[0067] In this embodiment, the polyimide fiber and nylon fiber blended rope strand twist pitch strand diameter (d) is d x 18, the outer layer of the rope strand should be covered with nylon fiber, the core is polyimide, and the proportion of nylon in the total mass of the rope strand should not be less than 40%, and the core is polyimide.

[0068] The deep-sea high-strength low-creep special rope cable of the present application is made of small elongation aramid and carbon fiber materials, which can protect the cable, increase the tensile strength, prevent moisture and light by wrapping aluminum foil, and form an object barrier by spraying a polyurethane antifreeze coating layer on the 36-strand woven low-creep ultra-high molecular weight polyethylene bearing layer to prevent water penetration and ice formation.

[0069] The fourth outer layer is designed to mix polyimide and nylon fibers, and the 48-strand protective layer can further withstand and disperse large tension. Polyimide is known for its high temperature resistance of 200-300℃, low temperature resistance of -260℃, tensile strength of 100-200MPa, chemical corrosion resistance, acid and alkali resistance, and strong radiation resistance, making it suitable for harsh environments. Nylon is antistatic, elastic, oil-resistant, acid-resistant, alkali-resistant, easy to process and shape, and suitable for high-frequency friction scenes. It plays a role in preventing wear and tear. Through multi-layer design, the deep-sea low-creep ultra-high molecular weight polyethylene special rope cable can maintain long-term stable performance in extreme environments.

[0070] The outer layer of the rope cable is cured and coated with three layers of resin to further enhance the antifreeze effect, form a compression-resistant protective layer, a water-absorbing moisture-proof layer, and a corrosion-resistant wear-resistant layer. The use of ultraviolet coating can effectively delay the aging process of the rope cable and enhance its durability.

[0071] The first intermediate aramid protective layer and the second intermediate layer are woven with carbon fiber materials to protect the cable and enhance the tensile strength. The low-creep ultra-high molecular weight polyethylene is the bearing layer of the rope cable, and the outer layer of the rope cable is woven with a mixture of polyimide and nylon fibers. The multi-layer weaving forms a dense fiber bundle, thereby improving the tensile strength and having low elongation. At the same time, the resin coating provides strong tensile strength and wear resistance while maintaining low elongation.

[0072] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0073] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A deep-sea high-strength low-creep special composite rope cable comprising a core (cable), characterized in that, The core (cable) is telecommunication cable, the first intermediate aramid protective layer is aramid fiber, the thickness is 0.2-1mm and is woven by 24 strands.

2. The deep-sea high-strength low-modulus special composite rope cable according to claim 1, characterized in that, The nylon fiber and imide fiber are twisted with a thickness of 1.5mm and a twist of 40-45 twists / m.

3. The deep-sea high-strength low-modulus special composite rope cable according to claim 1, characterized in that, The super high molecular weight polyethylene is twisted with a thickness of 2-3mm and a twist of 20-25 twists / m.

4. The deep-sea high-strength low-modulus special composite rope cable according to claim 1, characterized in that, The carbon fiber is twisted with a thickness of 0.5-1mm and a twist of 15-20 twists / m.

5. The deep-sea high-strength low-modulus special composite rope cable according to claim 1, characterized in that, The polyimide fiber and nylon fiber are blended with a twisted strand diameter (d) of d×18, the outer layer of the rope yarn is covered by nylon fiber, the core is polyimide, and the proportion of nylon in the total mass of the rope strand should be no less than 40%.

6. The deep-sea high-strength low-creep special composite rope cable according to claim 1, characterized in that, ​

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