CN219315362U - High-bearing steel wire rope - Google Patents
High-bearing steel wire rope Download PDFInfo
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- CN219315362U CN219315362U CN202223591567.XU CN202223591567U CN219315362U CN 219315362 U CN219315362 U CN 219315362U CN 202223591567 U CN202223591567 U CN 202223591567U CN 219315362 U CN219315362 U CN 219315362U
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Abstract
The utility model provides a high-bearing steel wire rope which comprises a composite central strand, an inner layer strand, 6 pp fiber cores, an elastic layer, an outer layer strand, 12 galvanized reinforced steel wires, an extrusion-resistant layer and a wear-resistant layer. The pp fiber cores and the galvanized reinforced steel wires filled in the gaps enable the steel wire rope to be tightly filled, the tensile strength is higher, the relative displacement between strands is reduced, and the structure is stable; the elastic layer can be extruded and contracted, so that the inner layer strands and the outer layer strands are tightly combined, the supporting force in the radial direction is improved, the extrusion friction and slight displacement are effectively relieved, meanwhile, the noise generated by the friction between the strands is correspondingly reduced, and the bearing strength of the steel wire rope is also ensured; meanwhile, the number of strands of the inner layer strand and the outer layer strand is increased, and the overall bearing capacity, flexibility and fatigue resistance of the steel wire rope are improved. Therefore, the high-bearing steel wire rope has the advantages of high bearing capacity and strong comprehensive performance, and the service life is greatly prolonged.
Description
Technical Field
The utility model relates to the technical field related to steel wire ropes, in particular to a high-bearing steel wire rope.
Background
Along with the rapid development of the infrastructure construction of China, the crawler crane is widely used as a self-propelled crane for building construction. The crawler belt has large grounding area, good trafficability and strong adaptability, can walk on load, and is suitable for hoisting operation of construction sites. The device can perform various operations such as soil digging, soil compacting, piling and the like. And the quality of the steel wire rope for the crawler crane has a great influence on the construction progress.
The steel wire rope is a spiral steel wire bundle formed by twisting steel wires with mechanical properties and geometric dimensions according to certain rules, the steel wire rope generally consists of steel wires, a rope core and lubricating grease, the steel wire rope is formed by twisting multiple layers of steel wires into strands, and the steel wire rope is twisted into a spiral rope by taking the rope core as the center and twisting a certain number of strands, and in a material handling machine, the lifting, traction, drawing and bearing are provided with high strength only. The self weight is light, the work is stable and the device is not easy to break, and the work is safe and reliable. However, the existing steel wire rope for the crawler crane needs to be improved in bearing capacity, comprehensive performance, service life and the like.
Disclosure of Invention
In view of the above, the present utility model aims to provide a high-load-bearing steel wire rope with high load-bearing capacity, good comprehensive performance and long service life.
The utility model provides a high-load-bearing wire rope, its includes a compound center strand, 6 internal layer strands, 6 pp fibre cores, an elastic layer, 12 outer strands, 12 galvanized reinforcing steel wires, an extrusion-resistant layer and a wearing layer, 6 the internal layer strands wrap up set up in the compound center strand outside, 6 pp fibre cores set up respectively in 6 the internal layer strands keep away from the clearance of compound center strand one side, the elastic layer set up in 6 the internal layer strand outside, 12 strands the outer strand wrap up set up in the elastic layer outside, 12 galvanized reinforcing steel wires pack set up in 12 strands keep away from in the clearance of elastic layer one side of outer strand, extrusion-resistant layer set up in 12 strands outside, the wearing layer set up in extrusion-resistant layer outside.
Preferably, the composite core strand comprises a reinforcing wire core and a plurality of core strand wires wrapped around the outside of the reinforcing wire core.
Further, the reinforcing fiber core is formed by interweaving acrylic fiber and polyester filament yarns. Because the polyester filaments and the acrylic fibers have the characteristics of high strength and high extensibility, the tensile strength of the steel wire rope is improved, the occurrence of fracture in the use process is prevented, and the excellent performance of the composite central strand is ensured.
Preferably, the inner strand comprises 1 inner strand center wire and 6 inner strand outer wires wrapped around the outer side of the inner strand center wire.
Preferably, the outer layer strand comprises a central steel wire, 6 middle layer steel wires, a protective sleeve and 12 outer layer steel wires, 6 middle layer steel wires are uniformly forged, packed and twisted on the outer side of the central steel wire, the protective sleeve is arranged on the outer side of the middle layer steel wire in a surrounding mode, and 12 outer layer steel wires are uniformly forged, packed and twisted on the outer side of the protective sleeve. The number of steel wires in the strands of the outer layer strand is large, the overall flexibility of the steel wire rope is improved, and the tensile property of the steel wire rope is improved. Further, the protective sleeve is a spirally wound steel wire sleeve, and the steel wire sleeve can further protect outer strands, so that the strength of the steel wire rope is improved.
Preferably, the elastic layer is a polyester fiber elastic layer. The extrusion force makes the outer layer strand and the inner layer strand more fit when in manufacturing, and further makes the rotation resistance of the steel wire rope stronger.
Preferably, the extrusion-resistant layer is a thermoplastic rubber extrusion-resistant layer. The thickness can be selected to be 3-5 mm, so that the impact resistance of the elevator steel wire rope in the use process is improved.
Preferably, the wear-resistant layer is an aluminum oxide wear-resistant layer. The thickness can be selected to be 1-2 mm, so that the steel wire rope has excellent wear resistance.
Preferably, the composite center strand, the inner layer strand and the outer layer strand are integrally forged. The problems that the flexibility of the traditional steel wire rope is poor, strands in the steel wire rope are easy to escape, and the service life is short and the steel wire rope is scrapped are solved.
Preferably, zinc layers are coated on the outer sides of the composite center strand, the inner layer strand and the outer layer strand. The damage that the effectual friction that receives between the strand when having reduced uses causes, wire rope receives the pressure, can take place less displacement between the strand, and the zinc layer has effectively reduced friction loss, and then improves wire rope's life.
Preferably, the composite center strand, the inner layer strand and the outer layer strand are fully sprayed with grease at the folding openings when twisted. Can lubricate the inside of the steel wire, prevent the steel wire from being corroded, and reduce the friction between the steel wires.
Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a high-bearing steel wire rope which comprises a composite center strand, 6 inner layer strands, 6 pp fiber cores, an elastic layer, 12 outer layer strands, 12 galvanized reinforcing steel wires, an extrusion-resistant layer and a wear-resistant layer. The pp fiber cores and the galvanized reinforced steel wires filled in the gaps enable the steel wire rope to be tightly filled, the tensile strength is higher, the relative displacement between strands is reduced, and the structure is stable; the elastic layer can be extruded and contracted, so that the inner layer strands and the outer layer strands are tightly combined, the supporting force in the radial direction is improved, the extrusion friction and slight displacement are effectively relieved, meanwhile, the noise generated by the friction between the strands is correspondingly reduced, and the bearing strength of the steel wire rope is also ensured; meanwhile, the number of the inner layer strands and the number of the outer layer strands are increased, the overall bearing capacity, flexibility and fatigue resistance of the steel wire rope are improved, in addition, the filling density of the steel wire rope is large, the metal area is increased, and the breaking force is correspondingly improved, so that the steel wire rope with the same diameter and the same nominal tensile strength has better comprehensive performance; the arrangement of the corresponding extrusion-resistant layer and the wear-resistant layer ensures the service life of the steel wire rope. Therefore, the high-bearing steel wire rope has the advantages of high bearing capacity and strong comprehensive performance, and the service life is greatly prolonged.
Drawings
FIG. 1 is a schematic diagram of a high load-bearing steel wire rope according to the present utility model;
wherein:
1-composite central strand, 2-inner layer strand, 3-pp fiber core, 4-elastic layer, 5-outer layer strand, 6-galvanized reinforced steel wire, 7-extrusion-resistant layer and 8-wear-resistant layer.
Detailed Description
The embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present embodiment provides a high-load-bearing steel wire rope, which includes a composite center strand 1, 6 inner strands 2, 6 pp fiber cores 3, an elastic layer 4, 12 outer strands 5, 12 galvanized reinforcing steel wires 6, an extrusion-resistant layer 7, and a wear-resistant layer 8,6 pp fiber cores 3 are respectively disposed at the outer sides of the composite center strand 1, 6 pp fiber cores 3 are respectively disposed at the outer sides of the 6 inner strands 2 and are far away from the gaps at one side of the composite center strand 1, the elastic layer 4 is disposed at the outer sides of the 6 inner strands 2, 12 outer strands 5 are wrapped around and disposed at the outer sides of the elastic layer 4, 12 galvanized reinforcing steel wires 6 are filled in the gaps disposed at one side of the 12 outer strands 5 and far away from the elastic layer 4, the extrusion-resistant layer 7 is disposed at the outer sides of the 12 outer strands 5, and the wear-resistant layer 8 is disposed at the outer sides of the extrusion-resistant layer 7.
Specifically, the composite center strand 1 includes a reinforcing wire core and a plurality of center strand wires wound around the outer side of the reinforcing wire core. Further, the reinforcing fiber core is formed by interweaving acrylic fiber and polyester filament yarns. Because the polyester filaments and the acrylic fibers have the characteristics of high strength and high extensibility, the tensile strength of the steel wire rope is improved, the occurrence of fracture in the use process is prevented, and the excellent performance of the composite central strand 1 is ensured.
Specifically, the inner strand 2 includes 1 inner strand center wire and 6 inner strand outer wires wrapped around the outer side of the inner strand center wire. The outer layer strand 5 comprises a central steel wire, 6 middle layer steel wires, a protective sleeve and 12 outer layer steel wires, wherein 6 middle layer steel wires are uniformly forged, packed and twisted on the outer side of the central steel wire, the protective sleeve is arranged on the outer side of the middle layer steel wires in a surrounding mode, and 12 outer layer steel wires are uniformly forged, packed and twisted on the outer side of the protective sleeve. The number of steel wires in the outer layer strand 5 is large, the overall flexibility of the steel wire rope is improved, and the tensile property of the steel wire rope is improved. Further, the protective sleeve is a spirally wound steel wire sleeve, and the steel wire sleeve can further protect the outer layer strand 5, so that the strength of the steel wire rope is improved.
Specifically, the elastic layer 4 is a polyester fiber elastic layer 4. The outer layer strand 5 and the inner layer strand 2 are more attached due to extrusion force during manufacturing, and therefore the performance of the steel wire rope is stronger. The extrusion-resistant layer 7 is a thermoplastic rubber extrusion-resistant layer 7. The thickness can be selected to be 3-5 mm, so that the impact resistance of the elevator steel wire rope in the use process is improved. The wear-resistant layer 8 is an aluminum oxide wear-resistant layer 8. The thickness can be selected to be 1-2 mm, so that the steel wire rope has excellent wear resistance.
Preferably, the composite center strand 1, the inner layer strand 2 and the outer layer strand 5 are integrally forged. The problems that the flexibility of the traditional steel wire rope is poor, strands in the steel wire rope are easy to escape, and the service life is short and the steel wire rope is scrapped are solved.
Preferably, zinc layers are coated on the outer sides of the composite center strand 1, the inner layer strand 2 and the outer layer strand 5. The damage that the effectual friction that receives between the strand when having reduced uses causes, wire rope receives the pressure, can take place less displacement between the strand, and the zinc layer has effectively reduced friction loss, and then improves wire rope's life. And the composite central strand 1, the inner layer strand 2 and the outer layer strand 5 are fully sprayed with grease at the folding openings when twisted. Can lubricate the inside of the steel wire, prevent the steel wire from being corroded, and reduce the friction between the steel wires.
The utility model provides a high-bearing steel wire rope which comprises a composite center strand 1, 6 inner layer strands 2, 6 pp fiber cores 3, an elastic layer 4, 12 outer layer strands 5, 12 galvanized reinforced steel wires 6, an extrusion-resistant layer 7 and a wear-resistant layer 8. The pp fiber cores 3 and the galvanized reinforcing steel wires 6 filled in the gaps enable the steel wire rope to be tightly filled, the tensile strength is higher, the relative displacement between strands is reduced, and the structural stability is facilitated; the elastic layer 4 can be extruded and contracted, so that the inner layer strands 2 and the outer layer strands 5 are tightly combined, the supporting force in the radial direction is improved, the extrusion friction and slight displacement are effectively relieved, meanwhile, the noise generated by the friction between the strands is correspondingly reduced, and the bearing strength of the steel wire rope is also ensured; meanwhile, the number of strands of the inner layer strands 2 and the outer layer strands 5 is increased, the overall bearing capacity, flexibility and fatigue resistance of the steel wire rope are improved, in addition, the filling density of the steel wire rope is large, the metal area is increased, and the breaking force is correspondingly improved, so that the steel wire rope with the same diameter and the same nominal tensile strength has better comprehensive performance; the arrangement of the corresponding extrusion-resistant layer 7 and the wear-resistant layer 8 ensures the service life of the steel wire rope. Therefore, the high-bearing steel wire rope has the advantages of high bearing capacity and strong comprehensive performance, and the service life is greatly prolonged.
The foregoing disclosure is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. The utility model provides a high bear wire rope which characterized in that: the novel zinc-plated steel wire composite core comprises a composite center strand, 6 inner layer strands, 6 pp fiber cores, an elastic layer, 12 outer layer strands, 12 galvanized reinforcing steel wires, an extrusion-resistant layer and a wear-resistant layer, wherein the 6 inner layer strands are wrapped around the outer side of the composite center strand, the 6 pp fiber cores are respectively arranged on the 6 inner layer strands and away from a gap on one side of the composite center strand, the elastic layer is arranged on the outer side of the 6 inner layer strands, the 12 outer layer strands are wrapped around the outer layer strands, the 12 galvanized reinforcing steel wires are filled in the gaps on one side of the 12 outer layer strands, the extrusion-resistant layer is arranged on the outer side of the 12 outer layer strands, and the wear-resistant layer is arranged on the outer side of the extrusion-resistant layer.
2. The high load-bearing steel cord according to claim 1, wherein said composite center strand comprises a reinforcing wire core and a plurality of center strand wires wrapped around the outside of said reinforcing wire core.
3. The high load steel cord according to claim 2, wherein said reinforcing filament core is comprised of interwoven acrylic fibers and polyester filaments.
4. The high load-bearing steel cord according to claim 1, wherein the inner strand comprises 1 inner strand center steel wire and 6 inner strand outer layer steel wires wrapped around and outboard of the inner strand center steel wire.
5. The high load-bearing wire rope according to claim 1, wherein the outer strand comprises a central wire, 6 middle wires, a protective sleeve and 12 outer wires, 6 middle wires are uniformly swaged and wrapped around the outer side of the central wire, the protective sleeve is circumferentially arranged around the outer side of the middle wires, and 12 outer wires are uniformly swaged and wrapped around the outer side of the protective sleeve.
6. The high load steel cord according to claim 1, wherein said elastic layer is a polyester fiber elastic layer.
7. The high load steel cord according to claim 1, wherein said extrusion-resistant layer is a thermoplastic rubber extrusion-resistant layer.
8. The high load steel cord according to claim 1, characterized in that said wear layer is an aluminium oxide wear layer.
9. The high load-bearing steel cord according to claim 1, wherein said composite center strand, said inner layer strand and said outer layer strand are each integrally swaged.
10. The high load bearing steel cord according to claim 1, wherein said composite center strand, said inner strand and said outer strand are each coated with a zinc layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591567.XU CN219315362U (en) | 2022-12-30 | 2022-12-30 | High-bearing steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591567.XU CN219315362U (en) | 2022-12-30 | 2022-12-30 | High-bearing steel wire rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219315362U true CN219315362U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223591567.XU Active CN219315362U (en) | 2022-12-30 | 2022-12-30 | High-bearing steel wire rope |
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| CN (1) | CN219315362U (en) |
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- 2022-12-30 CN CN202223591567.XU patent/CN219315362U/en active Active
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