CN216615293U - Soft steel wire rope for rotary drilling rig - Google Patents
Soft steel wire rope for rotary drilling rig Download PDFInfo
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- CN216615293U CN216615293U CN202122101627.4U CN202122101627U CN216615293U CN 216615293 U CN216615293 U CN 216615293U CN 202122101627 U CN202122101627 U CN 202122101627U CN 216615293 U CN216615293 U CN 216615293U
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- steel wire
- wire rope
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- drilling rig
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 145
- 239000010959 steel Substances 0.000 title claims abstract description 145
- 238000005553 drilling Methods 0.000 title claims abstract description 27
- -1 polyethylene Polymers 0.000 claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000004698 Polyethylene Substances 0.000 claims abstract description 15
- 229920000573 polyethylene Polymers 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 210000000689 upper leg Anatomy 0.000 claims description 13
- 239000004519 grease Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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Abstract
The utility model provides a flexible steel wire rope for a rotary drilling rig, and belongs to the technical field of steel wire ropes. The composite fiber comprises a composite central strand, an inner layer strand, an outer layer strand, a fiber core, a polyethylene filling layer and a wear-resistant layer. The composite central strand consists of a polypropylene core and 6 steel wires uniformly wrapped and twisted on the outer side of the polypropylene core, so that the steel wire rope has excellent flexibility and the compactness of the steel wire rope is correspondingly increased; the polyethylene filling layer further enhances the flexibility of the steel wire rope and plays a role in reducing the mutual friction between the composite central strand and the inner layer strand; the arrangement of the fiber core improves the tensile strength of the steel wire rope and simultaneously enhances the flexibility of the steel wire rope; the arrangement of the wear-resistant layer reduces the abrasion degree of the steel wire rope and effectively protects the steel wire rope. Therefore, the soft steel wire rope for the rotary drilling rig is high in compactness, good in flexibility, high in tensile strength and strong in friction resistance, and the service life of the soft steel wire rope is greatly prolonged compared with that of a common steel wire rope.
Description
Technical Field
The utility model relates to the technical field of steel wire ropes, in particular to a flexible steel wire rope for a rotary drilling rig.
Background
With the rapid development of infrastructure construction in China, the requirements on piling machinery, particularly rotary drilling rigs, are increasing. The quality of the steel wire rope for the rotary drilling rig can generate great influence on the construction progress.
The steel wire rope is a spiral steel wire bundle formed by twisting steel wires with mechanical property and geometric dimension meeting the requirements together according to a certain rule, the steel wire rope generally comprises steel wires, a rope core and lubricating grease, the steel wire rope is formed by twisting a plurality of layers of steel wires into strands, then the rope core is taken as the center, a certain number of strands are twisted and wound to form a spiral rope, and in a material handling machine, the steel wire rope only has high strength for lifting, traction, drawing and bearing. Light dead weight, stable work, difficult breaking and safe and reliable work. However, the existing steel wire rope for the rotary drilling rig needs to be improved in the aspects of flexibility, service life and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, an object of the present invention is to provide a flexible wire rope for a rotary drilling rig, which has excellent flexibility and high abrasion resistance.
The utility model provides a soft wire rope for rotary drilling rig, its includes a compound central thigh, 6 strand inlayer strands, 12 strand outer strands, 12 fibre cores, a polyethylene filling layer and a wearing layer, 6 strand inlayer strands evenly the package twists with fingers in the outside of compound central thigh, 12 strand outer strands evenly the package twists with fingers in the outside of inlayer thigh, the wearing layer encircle set up in the outside of outer strand, 12 the fibre core evenly set up in two outer strands are kept away from clearance department between inlayer thigh one side, the polyethylene filling layer fill in compound central thigh with clearance between the inlayer thigh, wherein, compound central thigh is by a polypropylene core and evenly the package twists with 6 steel wires in the outside of polypropylene core constitute.
Preferably, the inner layer strand and the outer layer strand both comprise 1 central steel wire, 10 thin steel wires, 5 middle thin steel wires and 10 thick steel wires; the 5 thin steel wires wrap and twist the central steel wire, 5 middle thin steel wires and 5 thin steel wires are arranged on the outer layer of the central steel wire in a staggered wrapping and twisting mode, and 10 thick steel wires are symmetrically wrapped and twisted on the outermost side. The inner layer strand and the outer layer strand have a large number of steel wires, so that the overall flexibility of the steel wire rope is improved, and meanwhile, the tensile property of the steel wire rope is also improved.
Furthermore, the center steel wire, the thin steel wires, the middle thin steel wires and the thick steel wires are in surface contact. The compactness of each strand of the steel wire rope is increased, the friction coefficient of the strands is reduced, and meanwhile, the flexibility of the steel wire rope is improved.
Preferably, the polypropylene core stores lubricating grease. Lubricating grease can ooze through the gap, and then reduces the friction between strand and the thigh, also can prevent simultaneously that wire rope from storing and the rust and the corruption of in the use for it is indefatigable to buckle repeatedly, has improved wire rope's fatigue number of times and wear resistance, thereby prolongs wire rope's life.
Preferably, the polyethylene filling layer is filled between the inner layer strand and the outer layer strand. The flexibility of the soft steel wire rope for the rotary drilling rig is further improved.
Preferably, the composite center strand, the inner layer strand and the outer layer strand are in surface contact, so that the wear resistance, the extrusion resistance and the impact resistance of the steel wire rope are ensured, and the comprehensive mechanical property of the steel wire rope is improved.
Preferably, the wear-resistant layer is an aluminum oxide wear-resistant layer, and the thickness of the wear-resistant layer can be 1-2 mm. So that the steel wire rope has excellent corrosion resistance.
Preferably, a polyester fiber elastic layer is further arranged between the wear-resistant layer and the outer layer strand, and the thickness of the polyester fiber elastic layer is 2-3 mm. The elastic buffer performance of the steel wire rope is good, the pressure received by the steel wire rope can be effectively reduced, and the steel wire rope is prevented from deforming.
Preferably, grease is fully sprayed on the folding opening when the inner layer strand, the composite center strand and the outer layer strand are twisted. The inner part of the steel wire can be lubricated, the steel wire is prevented from being corroded, and the friction among the steel wires is reduced.
Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a flexible steel wire rope for a rotary drilling rig, which comprises a composite center strand, 6 inner strands, 12 outer strands, 12 fiber cores, a polyethylene filling layer and a wear-resistant layer. The composite central strand consists of a polypropylene core and 6 steel wires which are uniformly wrapped and twisted on the outer side of the polypropylene core, so that the steel wire rope has excellent flexibility, and the compactness of the steel wire rope is correspondingly increased; the polyethylene filling layer further enhances the flexibility of the steel wire rope, so that the problems of low softness and poor bending performance of the conventional steel wire rope are solved, and the function of reducing the mutual friction between the composite central strand and the inner strand is also achieved; the arrangement of the fiber core improves the tensile strength of the steel wire rope and simultaneously enhances the flexibility of the steel wire rope; the arrangement of the wear-resistant layer reduces the abrasion degree of the steel wire rope and effectively protects the steel wire rope. Therefore, the soft steel wire rope for the rotary drilling rig has the advantages of high compactness, good flexibility, high tensile strength and strong friction resistance, and the service life of the soft steel wire rope is greatly prolonged compared with that of a common steel wire rope.
Drawings
FIG. 1 is a schematic structural view of a flexible steel wire rope for a rotary drilling rig according to the present invention;
wherein:
1-composite central strand, 2-inner layer strand, 3-outer layer strand, 4-fiber core, 5-polyethylene filling layer, 6-wear-resistant layer, 8-polyester fiber elastic layer, 11-polypropylene core and 12-steel wire.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the embodiment provides a flexible steel wire rope for a rotary drilling rig, which includes a composite center strand 1, 6 inner strands 2, 12 outer strands 3, 12 fiber cores 4, a polyethylene filling layer 5 and a wear-resistant layer 6, wherein the 6 inner strands 2 are uniformly twisted on the outer side of the composite center strand 1, the 12 outer strands 3 are uniformly twisted on the outer side of the inner strands 2, the wear-resistant layer 6 is arranged around the outer side of the outer strands 3, the 12 fiber cores 4 are uniformly arranged in a gap between two sides of the outer strands 3 away from the inner strands 2, and the polyethylene filling layer 5 is filled in a gap between the composite center strand 1 and the inner strands 2. The composite central strand 1, the inner strand 2 and the outer strand 3 are in surface contact, so that the wear resistance, extrusion resistance and impact resistance of the steel wire rope are guaranteed, and the comprehensive mechanical property of the steel wire rope is improved.
It should be noted that, the composite central strand 1 is composed of a polypropylene core 11 and 6 steel wires 12 uniformly wrapped and twisted on the outer side of the polypropylene core 11, and the structure of the composite central strand 1 enables the steel wire rope to have excellent flexibility, and simultaneously, the compactness of the steel wire rope is correspondingly increased. The inner layer strand 2 and the outer layer strand 3 respectively comprise 1 central steel wire, 10 thin steel wires, 5 middle thin steel wires and 10 thick steel wires; the 5 thin steel wires wrap and twist the central steel wire, 5 middle thin steel wires and 5 thin steel wires are arranged on the outer layer of the central steel wire in a staggered wrapping and twisting mode, and 10 thick steel wires are symmetrically wrapped and twisted on the outermost side. The inner layer strand 2 and the outer layer strand 3 have a large number of steel wires, so that the overall flexibility of the steel wire rope is improved, and meanwhile, the tensile property of the steel wire rope is also improved. Furthermore, the center steel wire, the thin steel wires, the middle thin steel wires and the thick steel wires are in surface contact. The compactness of each strand of the steel wire rope is increased, the friction coefficient of the strands is reduced, and meanwhile, the flexibility of the steel wire rope is improved.
Preferably, the polypropylene core 11 stores lubricating grease. Lubricating grease can seep out through the gap, so that friction between strands is reduced, rusting and corrosion of the steel wire rope in the storage and use processes can be prevented, repeated bending is not easy to fatigue, the fatigue times and the wear resistance of the steel wire rope are improved, and the service life of the steel wire rope is prolonged. Meanwhile, in order to further enhance the performance of the steel wire rope, grease is fully sprayed on the folding opening when the inner layer strand 2, the composite center strand and the outer layer strand 3 are twisted, so that the inside of the steel wire can be lubricated, the corrosion of the steel wire is prevented, and the friction among the steel wires is reduced.
Preferably, the polyethylene filling layer 5 is also filled between the inner layer strand 2 and the outer layer strand 3. The flexibility of the flexible steel wire rope for the rotary drilling rig is further improved. The wear-resistant layer 6 with still be provided with a polyester fiber elastic layer 8 between the outer thigh 3, thickness is optional 2 ~ 3 mm. The elastic buffer performance of the steel wire rope is good, the pressure received by the steel wire rope can be effectively reduced, and the steel wire rope is prevented from deforming.
Preferably, the wear-resistant layer 6 is an aluminum oxide wear-resistant layer 6, and the thickness of the wear-resistant layer can be 1-2 mm. So that the steel wire rope has excellent corrosion resistance.
According to the flexible steel wire rope for the rotary drilling rig, the composite central strand 1 consists of the polypropylene core 11 and 6 steel wires which are uniformly wrapped and twisted on the outer side of the polypropylene core 11, so that the steel wire rope has excellent flexibility, and meanwhile, the compactness of the steel wire rope is correspondingly increased; the polyethylene filling layer 5 further enhances the flexibility of the steel wire rope, so that the problems of low softness and poor bending performance of the conventional steel wire rope are solved, and the function of reducing the mutual friction between the composite central strand 1 and the inner layer strand 2 is also achieved; the arrangement of the fiber core 4 improves the tensile strength of the steel wire rope and simultaneously enhances the flexibility of the steel wire rope; the arrangement of the wear-resistant layer 6 reduces the abrasion degree of the steel wire rope and effectively protects the steel wire rope. Therefore, the soft steel wire rope for the rotary drilling rig has the advantages of high compactness, good flexibility, high tensile strength and strong friction resistance, and the service life of the soft steel wire rope is greatly prolonged compared with that of a common steel wire rope.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.
Claims (9)
1. The utility model provides a soft wire rope for rotary drilling rig which characterized in that: it includes a compound central thigh, 6 strand inlayer strands, 12 strand outer strands, 12 fibrous cores, a polyethylene filling layer and a wearing layer, 6 strand inlayer strands uniformly the package twists with fingers the outside of compound central thigh, 12 strand outer strands uniformly the package twists with fingers the outside of inlayer strand, the wearing layer encircle set up in the outside of outer strand, 12 the fibrous core is even set up in two outer strands are kept away from clearance department between inlayer strand one side, the polyethylene filling layer fill in compound central thigh with clearance between the inlayer strand, wherein, compound central thigh is in by a polypropylene core and uniformly the package twists with fingers 6 steel wires in the outside of polypropylene core constitute.
2. The flexible steel wire rope for the rotary drilling rig according to claim 1, wherein the inner layer strands and the outer layer strands comprise 1 central steel wire, 10 thin steel wires, 5 middle thin steel wires and 10 thick steel wires; the 5 thin steel wires wrap and twist the central steel wire, 5 middle thin steel wires and 5 thin steel wires are arranged on the outer layer of the central steel wire in a staggered wrapping and twisting mode, and 10 thick steel wires are symmetrically wrapped and twisted on the outermost side.
3. The flexible steel wire rope for the rotary drilling rig according to claim 2, wherein the center steel wire, the thin steel wire, the middle thin steel wire and the thick steel wire are in surface contact with each other.
4. The flexible steel wire rope for the rotary drilling rig according to claim 1, wherein the polypropylene core is stored with lubricating grease.
5. The flexible steel wire rope for the rotary drilling rig according to claim 1, wherein the polyethylene filling layer is filled between the inner layer strand and the outer layer strand.
6. The flexible steel wire rope for the rotary drilling rig according to claim 1, wherein the composite central strand, the inner layer strand and the outer layer strand are in surface contact.
7. The flexible steel wire rope for the rotary drilling rig according to claim 1, wherein the wear-resistant layer is an aluminum oxide wear-resistant layer.
8. The flexible steel wire rope for the rotary drilling rig according to claim 1, wherein a polyester fiber elastic layer is further arranged between the wear-resistant layer and the outer layer strand.
9. The flexible steel wire rope for the rotary drilling rig according to claim 1, wherein grease is sufficiently sprayed on the folding opening when the inner layer strand, the composite center strand and the outer layer strand are twisted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122101627.4U CN216615293U (en) | 2021-09-01 | 2021-09-01 | Soft steel wire rope for rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122101627.4U CN216615293U (en) | 2021-09-01 | 2021-09-01 | Soft steel wire rope for rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216615293U true CN216615293U (en) | 2022-05-27 |
Family
ID=81681690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122101627.4U Active CN216615293U (en) | 2021-09-01 | 2021-09-01 | Soft steel wire rope for rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216615293U (en) |
-
2021
- 2021-09-01 CN CN202122101627.4U patent/CN216615293U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 151, Furong Zhongsan Road, Xishan Economic Development Zone, Xishan District, Wuxi City, Jiangsu Province, 214000 Patentee after: Jiangsu Saifutian Group Co.,Ltd. Country or region after: China Address before: No. 151, Furong Zhongsan Road, Xishan Economic Development Zone, Xishan District, Wuxi City, Jiangsu Province, 214000 Patentee before: JIANGSU SAFETY STEEL WIRE ROPE Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |