Photovoltaic support steel wire pull rope and weaving method thereof

Abstract

The invention relates to a photovoltaic support steel wire pull rope and a weaving method thereof. The photovoltaic support steel wire pull rope is characterized by comprising a core strand rope and an outer-layer strand rope; the core stranded rope is of a linear structure, and the outer-layer stranded rope is provided with three or four strands with the same diameter, wraps and twists the core stranded rope in a spiral shape and is pressed and formed. According to the annular steel wire rope woven through the optimized setting method, the joint-free characteristic of the annular steel wire rope can be achieved, the situation that the rope diameter changes suddenly due to joints can be effectively avoided, and the tensile property of the steel wire rope can be effectively improved; low-carbon steel wire cores are adopted in the center of the core strand rope and the center of the outer-layer strand rope, long-acting oil storage and slow release functions can be provided, the shock absorption effect can be achieved to a certain degree, and the resonance phenomenon is reduced; the first outer steel wire wrapping layer and the second outer steel wire wrapping layer can provide a large contact area, so that contact stress is reduced, and the phenomenon of local pitting corrosion is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of steel wire rope production, and in particular to a photovoltaic support steel wire rope and a braiding method thereof. Background Art

[0002] Steel wire rope is a spiral steel wire bundle twisted together according to certain rules with steel wires that meet the requirements of mechanical properties and geometric dimensions. Steel wire rope consists of steel wire, rope core and lubricating grease. Steel wire rope is first twisted into strands by multiple layers of steel wires, and then a certain number of strands are twisted into a spiral rope with the rope core as the center. In material handling machinery, it is used for lifting, traction, tensioning and bearing. Steel wire rope has high strength, light weight, stable operation, not easy to break suddenly, and reliable operation. Based on this feature, more and more manufacturers have begun to optimize the setting of steel wire ropes for application in their own production lines.

[0003] In general photovoltaic brackets, the long-lasting rope net has a small contact area, resulting in large contact stress and serious local pitting corrosion; the filling rate is relatively low, and the breaking tensile strength is insufficient; at the same time, there are many problems with resonance. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a photovoltaic support steel wire rope with high strength and simple weaving method.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: a photovoltaic support wire rope, the innovation of which is: comprising a core strand rope and an outer strand rope; the core strand rope is a straight structure, and the outer strand rope has three or four strands of the same diameter, which are spirally twisted around the core strand rope and pressed into shape;

[0006] The core strand rope comprises a first low-carbon steel wire core and an inner layer of steel wires; the first low-carbon steel wire core is a straight single low-carbon steel wire, and the inner layer of steel wires is composed of three to five steel wires of the same diameter and are twisted helically on the first low-carbon steel wire core;

[0007] The outer layer strand rope includes a second low-carbon steel wire core, a first outer steel wire layer, a second outer steel wire layer and a filling wire; the second low-carbon steel wire core is a single synthetic low-carbon steel wire strand; the first outer steel wire layer is composed of seven steel wires and is arranged on the periphery of the second low-carbon steel wire core and is spirally twisted on the second low-carbon steel wire core, the second outer steel wire layer is composed of fourteen steel wires and the second outer steel wire layer is spirally twisted on the first outer steel wire layer; there are seven filling wires, and the filling wires are arranged in the gaps between the first outer steel wire layers, and each filling wire is tangent to the outer wall of the adjacent first outer steel wire layer.

[0008] A photovoltaic support steel wire rope weaving method, the innovation of which is as follows:

[0009] S1: Remove a single-strand rope with a length of m and a rope core with a length of n from a steel wire rope matrix, where m=3n, and connect the ends of the rope core to form an annular guide; wherein the single-strand rope is set to a spiral structure, and the spiral structure is the same as the structure of the single-strand rope in its steel wire rope matrix;

[0010] S2: Connecting the ends of the rope core to form an annular guide; winding the single-strand rope around the annular guide to place the annular guide at the center of the spiral structure of the single-strand rope;

[0011] S3: The single-strand rope is arranged to be wound around the outside of the annular guide and arranged closely;

[0012] The strand rope is wound around the first circle of the annular guide to form a first strand rope of a closed annular structure; the single strand rope is wound around the second circle of the annular guide and the first strand rope is pressed to form a second strand rope of a closed annular structure; the single strand rope is wound around the third circle of the annular guide and the second strand rope is pressed to form a third strand rope of a closed annular structure; the single strand rope is wound around the fourth circle of the annular guide and the third strand rope is pressed to form a fourth strand rope of a closed annular structure; the single strand rope is wound around the fifth circle of the annular guide and the fourth strand rope is pressed to form a fifth strand rope of a closed annular structure; the single strand rope is wound around the sixth circle of the annular guide and the fifth strand rope is pressed to form a sixth strand rope of a closed annular structure;

[0013] S4: After the single-strand rope is wound around the annular guide for the sixth time, the annular guide is pulled out to leave the current position;

[0014] S5: straighten the first and second ends of the single strand rope, and insert them into the hollow structure of the closed ring structure after the annular guide is detached, respectively, and the first and second ends inserted into the hollow structure are combined to form the core strand of the closed ring structure;

[0015] S6: Repeat steps S1 to S5 to twist the three completed outer strands with the core strand.

[0016] The advantages of the present invention are:

[0017] 1) The annular steel wire rope woven by the above-mentioned optimization setting method in the present invention can realize the jointless characteristic of the annular steel wire rope, and can effectively avoid the sudden change of rope diameter caused by the joint, and can effectively improve the tensile performance of the steel wire rope; the center of the core strand rope and the center of the outer strand rope both adopt low-carbon steel wire core, which can provide long-term oil storage and slow release functions, and can have a shock absorption effect to a certain extent, reducing the occurrence of resonance phenomenon; the filling wire in the steel wire rope is replaced by aluminum wire or magnesium wire, which can play a role in slowing down the corrosion of the main structure steel wire; the first outer steel wire layer and the second outer steel wire layer can provide a larger contact area, thereby reducing contact stress and reducing the phenomenon of local pitting corrosion, and to a certain extent also provide a larger breaking tension and a larger filling rate, and reducing the gap between the strands can make the structural deformation situation can be well improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a structural diagram of a photovoltaic support steel wire rope of the present invention. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] like Figure 1 A photovoltaic support steel wire rope shown includes a steel wire rope core 1 and an outer strand rope 2; the core strand rope 1 is a straight structure, and the outer strand rope 2 has three strands of the same diameter that are spirally twisted around the core strand rope 1 and pressed into shape.

[0023] The core strand rope 1 comprises a first low-carbon steel wire core 11 and an inner layer of steel wires 12 ; the first low-carbon steel wire core 11 is a straight single low-carbon steel wire, and the inner layer of steel wires 12 is composed of three or four steel wires of the same diameter and are twisted on the first low-carbon steel wire core 11 in a spiral shape.

[0024] The outer layer strand rope 2 includes a second low carbon steel wire core 21, a first outer steel wire layer 22, a second outer steel wire layer 223 and a filling wire 24; the second low carbon steel wire core 21 is a single synthetic low carbon steel wire strand; the first outer steel wire layer 22 is composed of seven steel wires and is arranged on the periphery of the second low carbon steel wire core 21 and is spirally twisted on the second low carbon steel wire core 21, the second outer steel wire layer 23 is composed of fourteen steel wires and the second outer steel wire layer 23 is spirally twisted on the first outer steel wire layer 22; there are seven filling wires 24, and the filling wires 24 are arranged in the gaps between the first outer steel wire layers, and each filling wire 24 is tangent to the outer wall of the adjacent first outer steel wire layer 22.

[0025] The diameter of the first outer steel wire layer 22 is greater than the diameter of the second outer steel wire layer 23 .

[0026] The filling wire 4 is pure aluminum wire or magnesium wire.

[0027] A method for weaving a steel wire rope for a photovoltaic support, the specific method is as follows:

[0028] S1: Remove a single-strand rope with a length of m and a rope core with a length of n from a steel wire rope matrix, where m=3n, and connect the ends of the rope core to form an annular guide; wherein the single-strand rope is set to a spiral structure, and the spiral structure is the same as the structure of the single-strand rope in its steel wire rope matrix;

[0029] S2: Connecting the ends of the rope core to form an annular guide; winding the single-strand rope around the annular guide to place the annular guide at the center of the spiral structure of the single-strand rope;

[0030] S3: The single-strand rope is arranged to be wound around the outside of the annular guide and arranged closely;

[0031] The strand rope is wound around the first circle of the annular guide to form a first strand rope of a closed annular structure; the single strand rope is wound around the second circle of the annular guide and the first strand rope is pressed to form a second strand rope of a closed annular structure; the single strand rope is wound around the third circle of the annular guide and the second strand rope is pressed to form a third strand rope of a closed annular structure; the single strand rope is wound around the fourth circle of the annular guide and the third strand rope is pressed to form a fourth strand rope of a closed annular structure; the single strand rope is wound around the fifth circle of the annular guide and the fourth strand rope is pressed to form a fifth strand rope of a closed annular structure; the single strand rope is wound around the sixth circle of the annular guide and the fifth strand rope is pressed to form a sixth strand rope of a closed annular structure;

[0032] S4: After the single-strand rope is wound around the annular guide for the sixth time, the annular guide is pulled out to leave the current position;

[0033] S5: straighten the first and second ends of the single strand rope, and insert them into the hollow structure of the closed ring structure after the annular guide is detached, respectively, and the first and second ends inserted into the hollow structure are combined to form the core strand of the closed ring structure;

[0034] S6: Repeat steps S1 to S5 to twist the three completed outer strands with the core strand.

[0035] Those skilled in the art should understand that the present invention is not limited to the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and improvements, and these changes and improvements shall all fall within the scope of the present invention claimed for protection.

Claims

1. A photovoltaic support steel wire rope, characterized in that: It comprises a core strand rope and an outer strand rope; the core strand rope is in a straight line structure, and the outer strand rope has three or four strands of the same diameter, which are twisted in a spiral shape around the core strand rope and pressed into shape; The core strand rope comprises a first low-carbon steel wire core and an inner layer of steel wires; the first low-carbon steel wire core is a straight single low-carbon steel wire, and the inner layer of steel wires is composed of three to five steel wires of the same diameter and are twisted helically on the first low-carbon steel wire core; The outer layer strand rope includes a second low-carbon steel wire core, a first outer steel wire layer, a second outer steel wire layer and a filling wire; the second low-carbon steel wire core is a single synthetic low-carbon steel wire strand; the first outer steel wire layer is composed of seven steel wires and is arranged on the periphery of the second low-carbon steel wire core and is spirally twisted on the second low-carbon steel wire core, the second outer steel wire layer is composed of fourteen steel wires and the second outer steel wire layer is spirally twisted on the first outer steel wire layer; there are seven filling wires, and the filling wires are arranged in the gaps between the first outer steel wire layers, and each filling wire is tangent to the outer wall of the adjacent first outer steel wire layer.

2. A method for braiding a photovoltaic support steel wire rope, characterized in that: The specific method is as follows: S1: Remove a single-strand rope with a length of m and a rope core with a length of n from a steel wire rope matrix, where m=3n, and connect the ends of the rope core to form an annular guide; wherein the single-strand rope is set to a spiral structure, and the spiral structure is the same as the structure of the single-strand rope in its steel wire rope matrix; S2: Connecting the ends of the rope core to form an annular guide; winding the single-strand rope around the annular guide to place the annular guide at the center of the spiral structure of the single-strand rope; S3: The single-strand rope is arranged to be wound around the outside of the annular guide and arranged closely; The strand rope is wound around the first circle of the annular guide to form a first strand rope of a closed annular structure; the single strand rope is wound around the second circle of the annular guide and the first strand rope is pressed to form a second strand rope of a closed annular structure; the single strand rope is wound around the third circle of the annular guide and the second strand rope is pressed to form a third strand rope of a closed annular structure; the single strand rope is wound around the fourth circle of the annular guide and the third strand rope is pressed to form a fourth strand rope of a closed annular structure; the single strand rope is wound around the fifth circle of the annular guide and the fourth strand rope is pressed to form a fifth strand rope of a closed annular structure; the single strand rope is wound around the sixth circle of the annular guide and the fifth strand rope is pressed to form a sixth strand rope of a closed annular structure; S4: After the single-strand rope is wound around the annular guide for the sixth time, the annular guide is pulled out to leave the current position; S5: straighten the first and second ends of the single strand rope, and insert them into the hollow structure of the closed ring structure after the annular guide is detached, respectively, and the first and second ends inserted into the hollow structure are combined to form the core strand of the closed ring structure; S6: Repeat steps S1 to S5 to twist the three completed outer strands with the core strand.

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