Ultrahigh-strength high-temperature-resistant composite fiber rope

Abstract

The invention discloses an ultrahigh-strength high-temperature-resistant composite fiber rope which comprises a core rope, and a heat insulation layer, an inner sheath and an outer sheath are sequentially wrapped outside the core rope. The outer surface of the core rope is coated with phosphate lead powder high-temperature-resistant paint or aerogel high-temperature-resistant paint; the outer surface of the inner sheath is coated with a phosphate lead powder high-temperature-resistant coating or an aerogel high-temperature-resistant coating. The outer surface of the outer sheath is coated with polyurethane polyurea glue. According to the ultrahigh-strength high-temperature-resistant composite fiber rope, the novel composite fiber rope which is high in bearing capacity, light, soft and resistant to high temperature is provided, and the problem that an existing fiber rope is relatively poor in high temperature resistance is solved.

Description

Technical Field

[0001] This invention belongs to the field of fiber rope technology and relates to ultra-high strength high temperature resistant composite fiber rope. Background Technology

[0002] Fiber ropes are made of several high-strength fiber filaments through twisting or weaving. They not only possess excellent load-bearing capacity, impact resistance, and fatigue resistance, but are also lightweight, soft, clean, environmentally friendly, and resistant to acids and alkalis. They have been widely used in shipbuilding, transportation, construction, military, and fisheries. With the rapid development of materials science and technology, various high-performance fibers are constantly being researched and developed, providing a solid foundation for the development of fiber ropes with special properties.

[0003] The main performance advantage of fiber ropes is still high load-bearing capacity under lightweight conditions, but their high temperature resistance is relatively poor. The general operating temperature is below 100℃. If other high temperature resistant materials are used to make ropes, they lose their high load-bearing capacity, high flexibility or lightweight characteristics, which limits their application in high temperature hoisting occasions. Summary of the Invention

[0004] The purpose of this invention is to provide an ultra-high strength, high temperature resistant composite fiber rope, which is a novel composite fiber rope with high load-bearing capacity, light weight and softness, and high temperature resistance, thus solving the problem of the relatively poor high temperature resistance of current fiber ropes.

[0005] The technical solution adopted in this invention is an ultra-high strength high temperature resistant composite fiber rope, including a core rope, and the core rope is covered with a heat insulation layer, an inner sheath and an outer sheath in sequence. The outer surface of the core rope is coated with a high-temperature resistant lead phosphate powder coating or an aerogel high-temperature resistant coating; the outer surface of the inner sheath is coated with a high-temperature resistant lead phosphate powder coating or an aerogel high-temperature resistant coating; and the outer surface of the outer sheath is coated with polyurethane polyurea adhesive.

[0006] The invention is further characterized by: The core rope is made of 12 strands woven together, and the strands are made of ultra-high molecular weight polyethylene.

[0007] The insulation layer is made of aerogel insulation cloth or high silica cloth wound around the core rope, with a winding thickness of 3~5mm.

[0008] The inner sheath is made of yarn using a double-thread weaving process and has a thickness of 1~3mm.

[0009] The yarn that makes up the inner sheath is made of a mixture of polyester filament, nylon filament and glass fiber filament twisted together.

[0010] The outer sheath is made of yarn using a double-thread weaving process and has a thickness of 2~4mm.

[0011] The outer sheath yarn is made of polyester filament, nylon filament and glass fiber filament mixed and twisted. The diameter of the outer sheath yarn is 0.2~0.6mm larger than that of the inner sheath.

[0012] The ratio of polyester filament to nylon filament in the inner and outer sheath yarns is 1:0.3~0.4, and the ratio of polyester filament to glass fiber filament is 1:0.3~0.5.

[0013] The beneficial effects of this invention are: This invention relates to an ultra-high strength, high-temperature resistant composite fiber rope. It uses ultra-high molecular weight polyethylene as the core rope, which makes the rope stronger than traditional aramid fiber ropes. On the other hand, it is equipped with a heat insulation layer to ensure its high-temperature resistance. Therefore, this composite fiber rope structure ensures both ultra-high strength and high-temperature resistance, and is lightweight and soft. Compared with traditional fiber ropes, it can be used stably for a long time in high-temperature hoisting applications, solving the problem that fiber ropes cannot be used in high-temperature environments. Attached Figure Description

[0014] Figure 1 This is a cross-sectional view of an ultra-high strength, high-temperature resistant composite fiber rope. Figure 2 This is a diagram showing the weaving structure of the inner or outer sheath of an ultra-high strength, high-temperature resistant composite fiber rope.

[0015] In the diagram, 1. Core rope, 2. Rope strand, 3. Insulation layer, 4. Inner sheath, 5. Outer sheath. Detailed Implementation

[0016] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0017] Ultra-high strength, high temperature resistant composite fiber rope, such as Figure 1 As shown, it includes a core rope 1, which is made of 12 strands 2 woven together. The strands 2 are made of ultra-high molecular weight polyethylene, which has good mechanical properties such as high strength and high modulus, as well as good high temperature resistance and flame retardant properties, and plays a major load-bearing role.

[0018] The outer surface of the core rope 1 is coated with a high-temperature resistant coating of lead phosphate powder or a high-temperature resistant coating of aerogel, which can play a good role in heat insulation.

[0019] The core rope 1 is covered by an insulation layer 3, an inner sheath 4, and an outer sheath 5 in sequence.

[0020] Among them, the heat insulation layer 3 is made of aerogel heat insulation cloth or high silica cloth wrapped around the core rope 1, with a winding thickness of 3~5mm, and plays the main heat insulation role.

[0021] The present invention uses a core rope made of ultra-high molecular weight polyethylene. Compared with conventionally used aramid fiber filaments, ultra-high molecular weight polyethylene has higher strength than aramid, but its high temperature resistance is not as good as that of aramid. Therefore, by setting the heat insulation layer 3, both ultra-high strength and high temperature resistance are guaranteed.

[0022] like Figure 2 As shown, the inner sheath 4 is woven from yarn (or rope strands) using a double-thread (or double-strand) braiding process, with a thickness of 1~3mm. The outer surface of the inner sheath 4 is coated with a high-temperature resistant coating of lead phosphate powder or aerogel, which not only wraps around the heat insulation layer 3 to ensure its tight wrapping, but also further isolates heat from being transferred to the interior.

[0023] The yarn that makes up the inner sheath 4 is made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion. The ratio of polyester filament to nylon filament is 1:0.3~0.4, and the ratio of polyester filament to glass fiber filament is 1:0.3~0.5. The three are organically combined and complement each other, which can effectively reduce the frictional heat generated when the internal yarns come into contact with each other or with the external parts, thereby reducing the generation of heat itself.

[0024] The outer sheath 5 is woven from yarn (or rope strands) using a double-thread (or double-strand) braiding process, with a thickness of 2~4mm. The outer surface of the outer sheath 5 is coated with polyurethane polyurea adhesive to enhance abrasion resistance.

[0025] Similarly, Figure 2 As shown, the yarn of the outer sheath 5 is also made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion. The ratio of polyester filament to nylon filament is 1:0.3~0.4, and the ratio of polyester filament to glass fiber filament is 1:0.3~0.5. The three are organically combined and complement each other, which can effectively reduce the frictional heat generated when the internal filaments come into contact with the outside or the filaments, thereby reducing the generation of heat.

[0026] The yarn diameter of the outer sheath 5 is 0.2~0.6mm larger than that of the inner sheath 4, so the number of yarns (or strands) is less than that of the inner sheath 4, in order to further improve its abrasion resistance.

[0027] Example 1 The ultra-high strength, high-temperature resistant composite fiber rope includes a core rope 1, which is composed of 12 strands 2 interwoven together. The strands 2 are made of ultra-high molecular weight polyethylene. The outer surface of the core rope 1 is coated with a high-temperature resistant lead phosphate powder coating, which provides good heat insulation.

[0028] The core rope 1 is covered by an insulation layer 3, an inner sheath 4, and an outer sheath 5 in sequence.

[0029] Among them, the heat insulation layer 3 is formed by winding aerogel heat insulation cloth on the core rope 1, with a winding thickness of 3mm, and plays the main heat insulation role.

[0030] like Figure 2 As shown, the inner sheath 4 is woven from yarn using a double-thread weaving process and has a thickness of 3mm. The outer surface of the inner sheath 4 is coated with a high-temperature resistant coating of lead phosphate powder.

[0031] The yarn that makes up the inner sheath 4 is made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.3:0.3.

[0032] The outer sheath 5 is woven from yarn using a double-thread braiding process and is 3mm thick. The outer surface of the outer sheath 5 is coated with polyurethane polyurea adhesive to enhance its wear resistance.

[0033] Similarly, Figure 2 As shown, the yarn of the outer sheath 5 is also made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.3:0.3.

[0034] The outer sheath 5 has a yarn diameter that is 0.2 mm larger than that of the inner sheath 4, and has fewer yarns than the inner sheath 4, in order to further improve its abrasion resistance.

[0035] Example 2 The ultra-high strength, high-temperature resistant composite fiber rope includes a core rope 1, which is composed of 12 strands 2 interwoven together. The strands 2 are made of ultra-high molecular weight polyethylene. The outer surface of the core rope 1 is coated with an aerogel high-temperature resistant coating, which provides good heat insulation.

[0036] The core rope 1 is covered by an insulation layer 3, an inner sheath 4, and an outer sheath 5 in sequence.

[0037] Among them, the heat insulation layer 3 is made of high silica cloth wound on the core rope 1, with a winding thickness of 4mm, and plays the main heat insulation role.

[0038] like Figure 2 As shown, the inner sheath 4 is woven from rope strands using a double-strand braiding process, with a thickness of 1mm. The outer surface of the inner sheath 4 is coated with an aerogel high-temperature resistant coating.

[0039] The yarn that makes up the inner sheath 4 is made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.4:0.4.

[0040] The outer sheath 5 is woven from rope strands using a double-strand braiding process, with a thickness of 2mm. The outer surface of the outer sheath 5 is coated with polyurethane polyurea adhesive to enhance abrasion resistance.

[0041] Similarly, Figure 2 As shown, the outer sheath 5 is also made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.4:0.4.

[0042] The outer sheath 5 has a strand diameter that is 0.6 mm larger than that of the inner sheath 4, and has fewer strands than the inner sheath 4, in order to further improve its abrasion resistance.

[0043] Example 3 Ultra-high strength, high temperature resistant composite fiber rope, such as Figure 1 As shown, it includes a core rope 1, which is made of 12 strands 2 woven together. The strands 2 are made of ultra-high molecular weight polyethylene. The outer surface of the core rope 1 is coated with a high-temperature resistant lead phosphate powder coating, which can provide good heat insulation.

[0044] The core rope 1 is covered by an insulation layer 3, an inner sheath 4, and an outer sheath 5 in sequence.

[0045] Among them, the heat insulation layer 3 is made of high silica cloth wound on the core rope 1, with a winding thickness of 5mm, and plays the main heat insulation role.

[0046] like Figure 2 As shown, the inner sheath 4 is woven from yarn using a double-thread braiding process and has a thickness of 2mm. The outer surface of the inner sheath 4 is coated with a high-temperature resistant coating of lead phosphate powder.

[0047] The yarn that makes up the inner sheath 4 is made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.4:0.5.

[0048] The outer sheath 5 is woven from yarn using a double-thread braiding process and is 4mm thick. The outer surface of the outer sheath 5 is coated with polyurethane polyurea adhesive to enhance its wear resistance.

[0049] Similarly, Figure 2 As shown, the yarn of the outer sheath 5 is also made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.4:0.5.

[0050] The outer sheath 5 has a yarn diameter that is 0.4 mm larger than that of the inner sheath 4, and has fewer yarns than the inner sheath 4, in order to further improve its abrasion resistance.

[0051] Example 4 The ultra-high strength, high-temperature resistant composite fiber rope includes a core rope 1, which is composed of 12 strands 2 interwoven together. The strands 2 are made of ultra-high molecular weight polyethylene. The outer surface of the core rope 1 is coated with an aerogel high-temperature resistant coating, which provides good heat insulation.

[0052] The core rope 1 is covered by an insulation layer 3, an inner sheath 4, and an outer sheath 5 in sequence.

[0053] Among them, the heat insulation layer 3 is formed by winding aerogel heat insulation cloth on the core rope 1, with a winding thickness of 3mm, and plays the main heat insulation role.

[0054] like Figure 2 As shown, the inner sheath 4 is woven from yarn using a double-thread weaving process and has a thickness of 3mm. The outer surface of the inner sheath 4 is coated with an aerogel high-temperature resistant coating.

[0055] The yarn that makes up the inner sheath 4 is made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.3:0.5.

[0056] The outer sheath 5 is woven from yarn using a double-thread braiding process and is 2mm thick. The outer surface of the outer sheath 5 is coated with polyurethane polyurea adhesive to enhance its wear resistance.

[0057] Similarly, Figure 2 As shown, the yarn of the outer sheath 5 is also made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.3:0.5.

[0058] The outer sheath 5 has a yarn diameter that is 0.3 mm larger than that of the inner sheath 4, and has fewer yarns than the inner sheath 4, in order to further improve its abrasion resistance.

[0059] Example 5 The ultra-high strength, high-temperature resistant composite fiber rope includes a core rope 1, which is composed of 12 strands 2 interwoven together. The strands 2 are made of ultra-high molecular weight polyethylene. The outer surface of the core rope 1 is coated with a high-temperature resistant lead phosphate powder coating.

[0060] The core rope 1 is covered by an insulation layer 3, an inner sheath 4, and an outer sheath 5 in sequence.

[0061] Among them, the heat insulation layer 3 is formed by winding aerogel heat insulation cloth on the core rope 1, with a winding thickness of 3.5mm, and plays the main heat insulation role.

[0062] like Figure 2 As shown, the inner sheath 4 is woven from yarn using a double-thread braiding process and has a thickness of 2.5mm. The outer surface of the inner sheath 4 is coated with an aerogel high-temperature resistant coating.

[0063] The yarn that makes up the inner sheath 4 is made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.3:0.4.

[0064] The outer sheath 5 is woven from yarn using a double-thread braiding process and is 2mm thick. The outer surface of the outer sheath 5 is coated with polyurethane polyurea adhesive to enhance its wear resistance.

[0065] Similarly, Figure 2 As shown, the yarn of the outer sheath 5 is also made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.3:0.4.

[0066] The outer sheath 5 has a yarn diameter that is 0.2 mm larger than that of the inner sheath 4, and has fewer yarns than the inner sheath 4, in order to further improve its abrasion resistance.

[0067] Example 6 The ultra-high strength, high-temperature resistant composite fiber rope includes a core rope 1, which is composed of 12 strands 2 interwoven together. The strands 2 are made of ultra-high molecular weight polyethylene. The outer surface of the core rope 1 is coated with a high-temperature resistant lead phosphate powder coating, which provides good heat insulation.

[0068] The core rope 1 is covered by an insulation layer 3, an inner sheath 4, and an outer sheath 5 in sequence.

[0069] Among them, the heat insulation layer 3 is made of high silica cloth wound on the core rope 1, with a winding thickness of 4mm, and plays the main heat insulation role.

[0070] like Figure 2 As shown, the inner sheath 4 is woven from yarn using a double-thread weaving process and has a thickness of 3mm. The outer surface of the inner sheath 4 is coated with an aerogel high-temperature resistant coating.

[0071] The yarn that makes up the inner sheath 4 is made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.3:0.3.

[0072] The outer sheath 5 is woven from yarn using a double-thread braiding process and is 4mm thick. The outer surface of the outer sheath 5 is coated with polyurethane polyurea adhesive to enhance its wear resistance.

[0073] Similarly, Figure 2 As shown, the yarn of the outer sheath 5 is also made of polyester filament, nylon filament and glass fiber filament mixed and twisted in a certain proportion, wherein the ratio of the three is 1:0.3:0.3.

[0074] The outer sheath 5 has a yarn diameter that is 0.2 mm larger than that of the inner sheath 4, and has fewer yarns than the inner sheath 4, in order to further improve its abrasion resistance.

Claims

1. An ultra-high strength, high-temperature resistant composite fiber rope, characterized in that, It includes a core rope (1), and the core rope (1) is covered with a heat insulation layer (3), an inner sheath (4) and an outer sheath (5) in sequence. The outer surface of the core rope (1) is coated with a high-temperature resistant coating of lead phosphate powder or a high-temperature resistant coating of aerogel; the outer surface of the inner sheath (4) is coated with a high-temperature resistant coating of lead phosphate powder or a high-temperature resistant coating of aerogel; and the outer surface of the outer sheath (5) is coated with polyurethane polyurea adhesive.

2. The ultra-high strength high-temperature resistant composite fiber rope according to claim 1, characterized in that, The core rope (1) is made of 12 strands (2) woven together, and the strands (2) are made of ultra-high molecular weight polyethylene.

3. The ultra-high strength high-temperature resistant composite fiber rope according to claim 1, characterized in that, The heat insulation layer (3) is formed by winding aerogel heat insulation cloth or high silica cloth on the core rope (1), with a winding thickness of 3~5mm.

4. The ultra-high strength, high-temperature resistant composite fiber rope according to claim 1, characterized in that, The inner sheath (4) is woven from yarn using a double-thread weaving process and has a thickness of 1~3mm.

5. The ultra-high strength high-temperature resistant composite fiber rope according to claim 4, characterized in that, The yarn that makes up the inner sheath (4) is made of polyester filament, nylon filament and glass fiber filament mixed and twisted.

6. The ultra-high strength high-temperature resistant composite fiber rope according to claim 5, characterized in that, The outer sheath (5) is woven from yarn using a double-thread weaving process, and has a thickness of 2~4mm.

7. The ultra-high strength high-temperature resistant composite fiber rope according to claim 6, characterized in that, The yarn of the outer sheath (5) is made of polyester filament, nylon filament and glass fiber filament mixed and twisted. The diameter of the yarn of the outer sheath (5) is 0.2~0.6mm larger than the diameter of the inner sheath (4).

8. The ultra-high strength high-temperature resistant composite fiber rope according to claim 7, characterized in that, The ratio of polyester filament to nylon filament in the inner sheath (4) and outer sheath (5) yarns is 1:0.3~0.4, and the ratio of polyester filament to glass fiber filament is 1:0.3~0.5.

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