Composite polymer steel wire rope core

Abstract

The utility model provides a composite polymer steel wire rope core which comprises a composite ultra-high molecular inner core, a polyethylene wrapping layer, a thermosetting resin layer, a plurality of reinforced steel wires, an elastic fiber layer and a wear-resistant protective layer. The composite ultra-high molecular weight inner core is formed by weaving ultra-high molecular weight polyethylene fibers and aramid fibers in a staggered and blended mode and has excellent bending fatigue resistance, creep resistance and impact resistance, the bearing capacity of the rope core is greatly improved, and the service life of the rope core is greatly prolonged. The polyethylene wrapping layer provides waterproof and anti-corrosion protection for the inner core, erosion of external harmful media is further isolated, and meanwhile friction loss is reduced. The thermosetting resin layer enhances the tensile strength and the overall stability of the rope core. The elastic fiber layer enables the rope core to have excellent flexibility and anti-seismic performance, so that the rope core keeps stable in structure in high-strength operation. The outermost wear-resistant protective layer further improves the wear resistance and the aging resistance of the rope core, and the external wear and corrosion of the steel wire rope in the using process are remarkably reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel wire rope core technical field especially relates to a kind of composite high molecular steel wire rope core. BACKGROUND

[0002] Steel wire rope is the spiral steel wire bundle that the mechanical properties and geometric dimension meet the requirements steel wire is twisted together according to certain rule, is composed of steel wire, rope core and lubricating grease.The strength of steel wire rope is high, and the weight is light, and it is stable, and it is not easy to break suddenly, and it is reliable, and it has wide application in daily life.Due to the unique performance of steel wire rope, so far steel wire rope is indispensable material or component in metallurgy, mine, oil and gas drilling, machinery, chemical industry, aerospace and other fields, therefore, the quality of steel wire rope is also concerned by multiple industries, and the rope core of steel wire rope is the key link to guarantee the quality of steel wire rope.

[0003] Therefore, perfecting the structure design of rope core, improving the applicability of rope core is the effective way to improve the comprehensive use performance of steel wire rope.How to improve the comprehensive performance of steel wire rope core, such as improving the strength of rope core, and improving the pressure resistance of rope core, has important significance to improve the rope core and even the whole steel wire rope.By changing single rope core structure, the performance of rope core is optimized, and the service life is improved, which is the main pursuit at present. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of composite high molecular steel wire rope core, solve the problem of the strength of part of current steel wire rope core is not high.

[0005] A kind of composite high molecular steel wire rope core, it includes a composite ultrahigh molecular inner core, a polyethylene wrapping layer, a thermosetting resin layer, a plurality of reinforcing steel wires, an elastic fiber layer and a wear-resistant protective layer, the composite ultrahigh molecular inner core is woven by ultrahigh molecular weight polyethylene fiber and aramid fiber interlaced spinning, the composite ultrahigh molecular inner core outside is covered with the polyethylene wrapping layer, the polyethylene wrapping layer outside is covered with the thermosetting resin layer, the thermosetting resin layer is peripherally annularly provided with a plurality of arc grooves, the arc grooves are respectively provided with the reinforcing steel wire, the reinforcing steel wire outside is provided with the elastic fiber layer, the elastic fiber layer outside is provided with the wear-resistant protective layer.

[0006] Preferably, the ultrahigh molecular weight polyethylene fiber accounts for 50~75% of the volume of the composite high molecular steel wire rope core.

[0007] Preferably, the strength of the ultrahigh molecular weight polyethylene fiber is 30cN / dtex~40cN / dtex.

[0008] Preferably, the ultra-high molecular weight polyethylene fiber is twisted into a low twist yarn.

[0009] Preferably, the aramid fiber has a strength of 20-24 cN / dtex.

[0010] Preferably, the arc-shaped grooves are spirally arranged on the outer periphery of the thermosetting resin layer.

[0011] Preferably, the wear-resistant protective layer comprises a plurality of wear-resistant outer cores woven from chlorofiber and polyamide fiber.

[0012] Preferably, the elastic fiber layer is an elastic fiber layer twisted from polyacrylate fibers.

[0013] Preferably, the outer side of the reinforcing steel wire is provided with a zinc plating layer.

[0014] Compared with the prior art, the composite high molecular steel wire rope core has the following beneficial effects: the composite high molecular steel wire rope core comprises a composite ultra-high molecular inner core, a polyethylene wrapping layer, a thermosetting resin layer, a plurality of reinforcing steel wires, an elastic fiber layer, and a wear-resistant protective layer. The composite ultra-high molecular inner core is interlaced and spun from ultra-high molecular weight polyethylene fibers and aramid fibers, has excellent bending fatigue resistance, creep resistance, and impact resistance, and significantly enhances the load-carrying capacity of the core. The polyethylene wrapping layer provides excellent protection for the composite ultra-high molecular inner core. The thermosetting resin layer further enhances the tensile strength and structural stability of the core. The arc-shaped grooves on the outer periphery of the thermosetting resin layer are provided with reinforcing steel wires, which not only improve the overall strength of the steel wire rope, but also effectively reduce the wear and tear of the steel wire caused by friction. The elastic fiber layer improves the flexibility and shock resistance of the core. The wear-resistant protective layer on the outermost layer enhances the wear resistance and anti-aging performance of the core, thereby effectively preventing wear and corrosion between the core structure and the outer periphery of each strand after the core structure is made into a steel wire rope, prolonging the service life of the crane steel wire rope using the core structure, reducing maintenance costs, and prolonging the service life of the steel wire rope. Thus, the composite high molecular steel wire rope core has high strength, wear resistance, flexibility, and environmental resistance, has very high use value, has a longer service life, and is suitable for a wide range of application scenarios in high-strength operations and complex environments. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure of the composite high molecular steel wire rope core of the utility model is shown in the figure.

[0016] Among them:

[0017] 10-composite ultrahigh molecular inner core, 20-polyethylene wrapping layer, 30-thermosetting resin layer, 40-a plurality of reinforcing steel wires, 50-elastic fiber layer, 60-wear-resistant protective layer, 70-arc-shaped grooves. DETAILED DESCRIPTION

[0018] The embodiments described below are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Referring to Figure 1 The present embodiment provides a composite high molecular steel wire rope core, which comprises a composite ultrahigh molecular inner core 10, a polyethylene wrapping layer 20, a thermosetting resin layer 30, a plurality of reinforcing steel wires 40, an elastic fiber layer 50 and a wear-resistant protective layer 60. The composite ultrahigh molecular inner core 10 is interlaced and blended with ultrahigh molecular weight polyethylene fibers and aramid fibers, and the outer side of the composite ultrahigh molecular inner core 10 is coated with the polyethylene wrapping layer 20. The outer side of the polyethylene wrapping layer 20 is coated with the thermosetting resin layer 30, and the outer periphery of the thermosetting resin layer 30 is annularly provided with a plurality of arc-shaped grooves 70. The reinforcing steel wires 40 are respectively arranged on the arc-shaped grooves 70, the elastic fiber layer 50 is arranged on the outer side of the reinforcing steel wires 40, and the wear-resistant protective layer 60 is arranged on the outer side of the elastic fiber layer 50.

[0020] Preferably, the ultrahigh molecular weight polyethylene fibers account for 50-75% of the volume of the composite high molecular steel wire rope core. The setting of this volume ratio range makes the composite high molecular steel wire rope core maintain appropriate density while ensuring high strength and high rigidity, thereby improving its fatigue resistance, creep resistance and impact resistance. The ultrahigh molecular weight polyethylene fiber has very high specific strength and specific modulus, so it can significantly improve the carrying capacity of the core, prolong its service life, and provide more reliable performance in various high-strength operating environments. And it can effectively reduce the deformation and fracture risk of the core under high load, thereby ensuring the stability and safety of the steel wire rope in extreme environments and heavy load conditions

[0021] Preferably, the strength of the ultrahigh molecular weight polyethylene fiber is 30cN / dtex-40cN / dtex. The above strength range can provide excellent tensile performance while maintaining the flexibility and toughness of the material, ensuring the stability and durability of the composite high molecular steel wire rope core in high-strength operating environments.

[0022] Preferably, the ultra-high molecular weight polyethylene fiber is twisted into an ultra-high molecular weight polyethylene fiber low twist yarn. The ultra-high molecular weight polyethylene fiber has a long pitch, and the ultra-high molecular weight polyethylene fiber low twist yarn is made into an ultra-high molecular weight polyethylene fiber, the long-pitch weaving forms a core, and the strength utilization rate of the fiber is higher. The ultra-high molecular weight polyethylene fiber has high strength and low elongation.

[0023] Preferably, the strength of the aramid fiber is 20-24 cN / dtex. Aramid fibers with this strength range provide excellent tensile strength and impact resistance in the composite polymer steel wire rope core, significantly improving the structural stability and carrying capacity of the core. Aramid fibers have excellent heat resistance, corrosion resistance, and ultraviolet resistance, and can maintain their strength and stability in high temperature or harsh environments. The strength range can effectively improve the wear resistance and fatigue resistance of the steel wire rope, avoiding performance degradation due to repeated stretching and bending during long-term use. By interlacing and blending with ultra-high molecular weight polyethylene fibers, not only the advantages of ultra-high molecular weight polyethylene fibers in load bearing and wear resistance are fully utilized, but also the shortcomings of ultra-high molecular weight polyethylene fibers in bending fatigue resistance, creep, and thermal deformation are compensated. Aramid fibers effectively reduce the performance loss caused by steel wire rope friction and heat, and enhance the temperature resistance and fatigue resistance of the overall core. The design of the composite structure effectively improves the comprehensive performance of the steel wire rope in complex environments, enabling it to maintain a long service life under reciprocating bending and high temperature conditions, while avoiding the limitations of single fiber materials.

[0024] Preferably, the arc-shaped grooves 70 are spirally arranged on the outer periphery of the thermosetting resin layer 30, thereby strengthening the spiral twisting of the steel wires 40 on the outside of the thermosetting resin layer 30. It should be noted that the spiral arc-shaped grooves 70 can more evenly distribute the tension of the steel wires, avoiding local stress concentration and enhancing the overall structural stability of the core. Secondly, the spiral groove design helps to improve the adhesion between the reinforcing steel wires 40 and the thermosetting resin layer 30, making the reinforcing steel wires 40 more firmly fixed in the thermosetting resin layer 30, and improving the tensile strength and fatigue resistance of the core.

[0025] Preferably, the wear-resistant protective layer 60 comprises a plurality of wear-resistant outer cores woven by chlorofiber filaments and polyamide filaments. The combination of chlorofiber filaments and polyamide filaments has excellent wear resistance and anti-aging performance, which can effectively improve the wear resistance of the core and prolong its service life. Chlorofiber filaments have strong chemical corrosion resistance and hydrolysis resistance, and are suitable for humid and corrosive working environments. Polyamide filaments have excellent tensile strength and good wear resistance, which further enhances the overall wear resistance of the wear-resistant protective layer 60. In addition, the design of multiple wear-resistant outer cores can disperse the load, evenly distribute the friction force, and reduce local wear, thereby effectively improving the overall wear resistance, and further improving the friction performance between the core and the outer layer of the steel wire rope after the steel wire rope is manufactured.

[0026] Preferably, the elastic fiber layer 50 is a polyacrylate fiber twisted elastic fiber layer 50. Polyacrylate fibers have good elasticity and high recovery force, which can effectively improve the flexibility and shock resistance of the steel wire rope. When the steel wire rope is impacted or vibrated by external force, the polyacrylate fiber layer can play a buffering and damping role, reducing the impact of external impact force on the core and prolonging the service life of the steel wire rope.

[0027] Preferably, the outer side of the reinforcing steel wire 40 is provided with a zinc plating layer. The zinc plating layer can effectively improve the corrosion resistance of the steel wire, prevent the steel wire from rusting in humid or corrosive environments, and prolong the service life of the steel wire.

[0028] The utility model provides a kind of composite high molecular steel wire rope core, including a composite ultrahigh molecular inner core 10, a polyethylene wrapping layer 20, a thermosetting resin layer 30, a plurality of reinforcing steel wires 40, an elastic fiber layer 50 and a wear-resistant protective layer 60. Composite ultrahigh molecular inner core 10 is woven by ultrahigh molecular weight polyethylene fiber and aramid fiber interlaced spinning, with excellent bending fatigue characteristics, creep resistance and excellent impact resistance, significantly enhance the load capacity of the core;Polyethylene wrapping layer 20 provides excellent protection for composite ultrahigh molecular inner core 10;Thermosetting resin layer 30 further enhances the tensile strength and structural stability of the core, and the arc-shaped groove 70 on its periphery is provided with reinforcing steel wire 40, which not only improves the overall strength of the steel wire rope, but also effectively reduces the loss of steel wire caused by friction;And elastic fiber layer 50 improves the flexibility and shock resistance of the core;The outermost wear-resistant protective layer 60 enhances the wear resistance and anti-aging performance of the core, so as to effectively prevent the wear and corrosion between the core structure and the outer periphery of each strand after being made into steel wire rope, prolong the service life of the crane steel wire rope using the core structure, reduce maintenance cost and prolong the service life of the steel wire rope. Thus, the composite high molecular steel wire rope core has high strength, wear resistance, flexibility and environmental resistance, has very high use value, has longer service life, and is suitable for wide application scenarios in high-strength operation and complex environment.

[0029] The above only discloses several preferred embodiments of the utility model, of course cannot with this to limit the utility model right scope, therefore the equivalent change made according to the utility model application patent scope, still belongs to the utility model the scope covered.

Claims

1. A composite polymeric steel wire rope core, characterized by: It includes a composite ultrahigh molecular inner core, a polyethylene wrapping layer, a thermosetting resin layer, a plurality of reinforcing steel wires, an elastic fiber layer and a wear-resistant protective layer, the composite ultrahigh molecular inner core is interlaced and spun by ultrahigh molecular weight polyethylene fibers and aramid fibers, the composite ultrahigh molecular inner core is coated with the polyethylene wrapping layer, the polyethylene wrapping layer is coated with the thermosetting resin layer, a plurality of arc-shaped grooves are arranged annularly on the outer periphery of the thermosetting resin layer, the reinforcing steel wires are arranged on the arc-shaped grooves respectively, the reinforcing steel wires are provided with the elastic fiber layer outside, and the elastic fiber layer is provided with the wear-resistant protective layer outside.

2. The composite polymer wire rope core of claim 1, wherein, The ultrahigh molecular weight polyethylene fiber accounts for 50-75% of the volume of the composite high molecular steel wire rope core.

3. The composite polymer wire rope core of claim 1, wherein, The strength of the ultrahigh molecular weight polyethylene fiber is 30-40 cN / dtex.

4. The composite polymer wire rope core of claim 1, wherein, The ultrahigh molecular weight polyethylene fiber is a low twist yarn twisted by ultrahigh molecular weight polyethylene fiber.

5. The composite polymer wire rope core of claim 1, wherein, The strength of the aramid fiber is 20-24 cN / dtex.

6. The composite polymer wire rope core of claim 1, wherein, The arc-shaped grooves are spirally arranged on the outer periphery of the thermosetting resin layer.

7. The composite polymer wire rope core of claim 1, wherein, The wear-resistant protective layer comprises a plurality of wear-resistant outer cores woven by chloronylon filaments and polyamide filaments.

8. The composite polymer wire rope core of claim 1, wherein, The elastic fiber layer is an elastic fiber layer twisted by polyacrylate fibers.

9. The composite polymer wire rope core of claim 1, wherein, The outer side of the reinforcing steel wire is provided with a zinc plating layer.

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