CN115613381A

CN115613381A - High-strength wear-resistant deep-sea mooring PP fiber and nylon multifilament hybrid mooring rope

Info

Publication number: CN115613381A
Application number: CN202110786875.9A
Authority: CN
Inventors: 郝龙云; 李群
Original assignee: Yangzhou Xintianhe Rope Co ltd
Current assignee: Yangzhou Xintianhe Rope Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2023-01-17

Abstract

The invention discloses a high-strength wear-resistant deep sea mooring PP fiber nylon multifilament hybrid cable, which comprises six cable strands and a woven layer, wherein the woven layer is fixedly arranged outside the six cable strands, the six cable strands are formed by twisting twelve cable cores, every two adjacent cable cores are twisted in pairs, the twisting directions are opposite, PP fillers are fixedly arranged between the outside of the six cable strands and the inside of the woven layer, a waterproof layer is fixedly arranged on the surface of the woven layer, a corrosion-resistant layer is fixedly arranged on the surface of the waterproof layer, and a wear-resistant layer is fixedly arranged on the surface of the corrosion-resistant layer: the rope strands formed by pairwise twisting of the rope cores are opposite in twisting direction and matched with the steel wire rope arranged in the rope strands, so that the rotation phenomenon of the mooring rope can be prevented, and the use is more convenient; PP filler is arranged between the rope strand and the braided layer, so that the whole mooring rope has stronger tensile capacity, and the PP material has higher impact resistance.

Description

High-strength wear-resistant deep-sea mooring PP fiber and nylon multifilament hybrid mooring rope

Technical Field

The invention relates to a mooring rope, in particular to a high-strength wear-resistant deep-sea mooring PP fiber and nylon multifilament hybrid mooring rope, and belongs to the technical field of mooring ropes.

Background

The cable has the performances of tensile resistance, impact resistance, abrasion resistance, flexibility, light and soft and the like, and is used for tying a multi-strand rope of a ship. The material is required to have the properties of tensile resistance, impact resistance, abrasion resistance, flexibility, light and soft property and the like; in the past, steel, hemp or cotton ropes were commonly used; after the appearance of synthetic fibers, the synthetic fibers are mostly made of chinlon, polypropylene fiber, vinylon, terylene and the like; the synthetic fiber cable has the advantages of corrosion resistance, mildew and rot resistance, worm damage resistance and the like besides light specific gravity, high strength, good impact resistance and wear resistance;

in the exploration process of the deep sea oil field, the oil exploration drilling platform needs to be frequently moved, so that the oil exploration drilling platform needs to be dragged by a deep sea cable, and meanwhile, in the exploration process, the drilling platform needs to be fixed by the cable, and the cable needs to have ultrahigh strength and overlong length; the existing mooring rope is generally in an eight-strand braided structure, is produced by using polypropylene, polyester, nylon and other materials, is not strong in strength and wear resistance, and is easily corroded by seawater, so that the service life of the mooring rope is short.

Disclosure of Invention

The invention aims to provide a high-strength abrasion-resistant deep-sea mooring PP fiber-nylon multifilament hybrid cable, which aims to solve the problems that the currently used cable proposed in the background art generally adopts an eight-strand braided structure, has poor strength and abrasion resistance and is easily corroded by seawater.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high strength stand wear and tear resistant deep sea mooring PP fibre nylon multifilament hybrid cable, includes six rope strands and weaving layer, the weaving layer is fixed to be set up six the outside of rope strand, six the rope strand is formed by the transposition of twelve rope cores, and two liang of two adjacent rope cores are twisted each other in pairs, and the opposite direction of transposition, six the outside of rope strand with fixed PP filler that is equipped with between the inside of weaving layer, the fixed surface of weaving layer is equipped with the waterproof layer, the fixed surface of waterproof layer is equipped with the corrosion-resistant layer, the fixed surface on corrosion-resistant layer is equipped with the wearing layer, the fixed protective sheath that is equipped with the even rubber material in a plurality of interval and makes in the outside of weaving layer.

According to a preferable technical scheme of the invention, the steel wire ropes are fixedly arranged between twelve rope cores, and the rubber sleeves are fixedly arranged outside the twelve rope cores.

As a preferred technical scheme of the invention, the rope core is made of high-strength high-modulus polyethylene fiber.

As a preferable technical scheme of the invention, six hard rubber strips are fixedly arranged inside the PP filler, and every two adjacent rubber strips are fixedly connected through a fiber connecting wire.

As a preferred technical scheme of the invention, anti-slip strips are fixedly arranged on the surfaces of the plurality of protective sleeves, and the anti-slip strips are arranged in a spiral shape with an arc-shaped cross section.

As a preferred technical scheme of the invention, the woven layer is made of PA material.

In a preferred embodiment of the present invention, the surface of the protective sheath is coated with a polyurethane coating.

Compared with the prior art, the invention has the beneficial effects that: according to the high-strength wear-resistant deep-sea mooring PP fiber and nylon multifilament hybrid mooring rope, the rope strands formed by pairwise stranding of the rope cores are opposite in stranding direction and matched with the steel wire rope arranged in the mooring rope, the rotation phenomenon of the mooring rope can be prevented in such a way, and the mooring rope is more convenient to use; the PP filler is arranged between the rope strand and the braid layer, so that the tensile capacity of the whole mooring rope is higher, and meanwhile, the PP material has higher impact resistance, strong mechanical property and resistance to corrosion of various organic solvents and acid and alkali, the problem of environmental stress cracking does not exist, and the service life of the mooring rope is greatly prolonged; the hard rubber strip is arranged inside the PP filler, so that the internal strength of the mooring rope can be optimized, long-distance traction can be well performed, and the mooring rope is safer when in use; the waterproof layer through setting up can prevent that the sea water from entering into the inside of rope core, can improve the corrosion resistance of this hawser through the corrosion resistant layer that sets up, can improve the wearability of this hawser through the wearing layer that sets up.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a strand according to the invention;

FIG. 3 is a schematic cross-sectional view of the woven layer of the present invention;

FIG. 4 is an enlarged schematic view of the structure at the point A in FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view of the PP packing of the present invention.

In the figure: 1. a strand; 101. a rope core; 102. a wire rope; 103. a rubber sleeve; 2. weaving layer; 3. a protective sleeve; 301. anti-slip strips; 4. a waterproof layer; 5. a corrosion-resistant layer; 6. a wear layer; 7. a PP filler; 701. a rubber strip; 702. and (5) connecting the fibers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the invention provides a high-strength abrasion-resistant deep-sea mooring PP fiber nylon multifilament hybrid cable, which comprises six rope strands 1 and a braided layer 2, wherein the braided layer 2 is fixedly arranged outside the six rope strands 1, the six rope strands 1 are formed by twisting twelve rope cores 101, two adjacent rope cores 101 are twisted in pairs, and the twisting directions are opposite, so that the rotation phenomenon of the cable can be prevented, and the cable is more convenient to use, a PP filler 7 is fixedly arranged between the outside of the six rope strands 1 and the inside of the braided layer 2, so that the tensile lifting capacity of the whole cable is higher, the PP material has higher impact resistance and is tough in mechanical property, and is resistant to corrosion of various organic solvents and acids and bases, the problem of environmental stress cracking does not exist, the service life of the cable is greatly prolonged, a waterproof layer 4 is fixedly arranged on the surface of the braided layer 2, an abrasion-resistant layer 5 is fixedly arranged on the surface of the braided layer 4, an abrasion-resistant layer 6 is fixedly arranged on the surface of the braided layer 5, seawater can be prevented from entering the inside of the rope cores 101, a plurality of abrasion-resistant layers 5 are arranged on the surface of the braided layer 4, a protective sleeve 3 capable of preventing seawater from being uniformly rolled by the abrasion-resistant layer, and the protective sleeve 3 capable of preventing the abrasion-resistant layer and capable of preventing seawater from being uniformly arranged on the surface of the rubber layer.

Preferably, the steel wire rope 102 is fixedly arranged between the twelve rope cores 101, the tensile strength of the rope cores 101 can be improved by arranging the steel wire rope 102 in the rope strand 1, and the rubber sleeve 103 is fixedly arranged outside the twelve rope cores 101, so that the inner rope cores 101 are protected and are not easy to damage; the rope core 101 is made of high-strength high-modulus polyethylene fiber materials, so that the whole strength is higher, and the rope core is not easy to damage; six hard rubber strips 701 are fixedly arranged inside the PP filling 7, every two adjacent rubber strips 701 are fixedly connected through a fiber connecting wire 702, the hard rubber strips 701 are arranged inside the PP filling 7, and every two adjacent rubber strips 701 are fixedly connected through the fiber connecting wire 702, so that the internal strength of the mooring rope can be optimized, long-distance traction can be well performed, and the mooring rope is safer to use; the anti-slip strips 301 are fixedly arranged on the surfaces of the plurality of protective sleeves 3, the anti-slip strips 301 are arranged in a spiral shape with an arc-shaped cross section, the protective sleeves 3 are arranged outside the woven layer 2, the anti-slip strips 301 with the arc-shaped cross section and arranged in the spiral shape are arranged on the surfaces of the protective sleeves 3, so that the cable has the characteristics of convenient use of rope releasing and rope collecting, and the woven layer 2 and the rope core 101 in the woven layer 2 can be prevented from being rolled through the arranged protective sleeves 3; the braided layer 2 is made of PA material, PA has good comprehensive performance including mechanical property, heat resistance, abrasion resistance, chemical resistance and self-lubricity, and the friction coefficient is low and has certain flame retardance; the surface coating of protective sheath 3 has the polyurethane coating, and corrosion resistance is good, makes protective sheath 3 difficult damaged.

When the high-strength abrasion-resistant deep sea mooring PP fiber and nylon multifilament hybrid cable is used, firstly, the cable strand 1 is formed by twisting twelve cable cores 101 in pairs, the twisting directions are opposite, the rotation phenomenon of the cable can be prevented in such a way, the cable is more convenient to use, the strength of the cable can be improved by arranging the steel wire rope 102 in the cable strand 1, secondly, the PP filler 7 is arranged between the cable strand 1 and the braided layer 2, the tensile lifting capacity of the whole cable is higher, meanwhile, the PP material has higher impact resistance and strong mechanical properties, is resistant to various organic solvents and corrosion, does not have the problem of environmental stress cracking, greatly prolongs the service life of the cable, and the hard rubber strips 701 are arranged in the PP filler 7, and every two adjacent rubber strips 701 are fixedly connected through the fiber connecting wire 702, so that the internal strength of the cable can be optimized, long-distance traction can be well performed, and the cable is safer when in use; then the waterproof layer 4 of weaving layer 2's surface setting at the knitting can prevent that the sea water from entering into the inside of rope core 101, the corrosion resistant layer 5 that sets up on waterproof layer 4's surface can prevent the erosion of sea water, wearing layer 6 that sets up on corrosion resistant layer 5's surface can improve the wear resistance of weaving layer 2, thereby improve the life of hawser, the outside at weaving layer 2 sets up protective sheath 3, and be provided with the antislip strip 301 that the cross-section is arc and spiral setting on the surface of protective sheath 3, make this hawser have the special of putting rope and receiving rope convenient to use, and can prevent that weaving layer 2 and inside rope core 101 from rolling through the protective sheath 3 that sets up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength stand wear and tear resistant deep sea mooring PP fibre nylon multifilament hybrid cable, includes six rope strands (1) and weaving layer (2), its characterized in that, weaving layer (2) are fixed to be set up in six the outside of rope strand (1), six rope strand (1) are formed by the transposition of twelve rope cores, and two liang of two adjacent rope cores are twisted each other in pairs, and the opposite direction of transposition, six the outside of rope strand (1) with fixed PP filler (7) that is equipped with between the inside of weaving layer (2), the fixed surface of weaving layer (2) is equipped with waterproof layer (4), the fixed surface of waterproof layer (4) is equipped with corrosion-resistant layer (5), the fixed surface of corrosion-resistant layer (5) is equipped with wearing layer (6), the fixed protective sheath (3) that are equipped with a plurality of even rubber material in interval in the outside of weaving layer (2) and make, twelve fixed wire rope between rope core (101), and twelve the fixed external of rope core (101) is equipped with gum cover (103), rope core (101) make high modulus polyethylene fiber material for high strength.

2. The high strength abrasion resistant deep sea mooring PP fiber nylon multifilament hybrid cable according to claim 1, characterized in that: six hard rubber strips (701) are fixedly arranged inside the PP filler (7), and every two adjacent rubber strips (701) are fixedly connected through a fiber connecting wire (702).

3. The high strength abrasion resistant deep sea mooring PP fiber nylon multifilament hybrid cable according to claim 1, characterized in that: a plurality of the surface of protective sheath (3) is all fixed and is equipped with antislip strip (301), and antislip strip (301) set up to be curved heliciform for the cross-section.

4. The high strength abrasion resistant deep sea mooring PP fiber nylon multifilament hybrid cable according to claim 1, characterized in that: the weaving layer (2) is made of PA material.

5. The high strength abrasion resistant deep sea mooring PP fiber nylon multifilament hybrid cable according to claim 1, characterized in that: the surface of the protective sleeve (3) is coated with a polyurethane coating.