CN220035033U - Polymer rope core structure for crane steel wire rope - Google Patents
Polymer rope core structure for crane steel wire rope Download PDFInfo
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- CN220035033U CN220035033U CN202320742566.6U CN202320742566U CN220035033U CN 220035033 U CN220035033 U CN 220035033U CN 202320742566 U CN202320742566 U CN 202320742566U CN 220035033 U CN220035033 U CN 220035033U
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- rope
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 70
- 239000010959 steel Substances 0.000 title claims abstract description 70
- 229920000642 polymer Polymers 0.000 title claims abstract description 43
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 28
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 28
- 239000011241 protective layer Substances 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 7
- -1 polyethylene core Polymers 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model provides a high polymer rope core structure for a crane steel wire rope, and belongs to the technical field of steel wire ropes. The rope core structure adopts light-weight high-strength materials such as a composite ultra-high molecular inner core, so that the dead weight of the rope core structure is greatly reduced, and the lifting speed and the lifting efficiency of a crane using the rope core structure are improved. The elastic rubber core is arranged, so that impact and vibration can be effectively absorbed, vibration and noise in the lifting process are reduced, and the stability and the comfort of the crane are improved. Meanwhile, the wear-resistant protection layer is arranged, so that the wear and corrosion between the rope core structure and each strand of the periphery can be effectively prevented, the service life of the crane steel wire rope using the rope core structure is prolonged, and the maintenance cost is reduced. Therefore, the high polymer rope core structure for the crane steel wire rope has the characteristics of high strength, high density, light weight and the like, has the advantages of good tensile strength and wear resistance, reduced vibration and noise in the lifting process and the like, has extremely high use value and has higher service life.
Description
Technical Field
The utility model relates to the technical field of steel wire rope cores, in particular to a high polymer rope core structure for a crane steel wire rope.
Background
The steel wire rope is a spiral steel wire bundle formed by twisting steel wires with mechanical properties and geometric dimensions meeting the requirements together according to a certain rule, and consists of the steel wires, a rope core and lubricating grease. The steel wire rope has high strength, light dead weight, stable work, difficult sudden whole root breakage, reliable work and wide application in daily life. Because of the unique properties of steel wire ropes, steel wire ropes have been so far indispensable materials or components in the fields of metallurgy, mining, oil and gas drilling, machinery, chemical industry, aerospace and the like, and therefore, the quality of steel wire ropes is also paid attention to by a plurality of industries, wherein a steel wire rope core is a key ring for guaranteeing the quality of steel wire ropes.
Therefore, improving the structural design of the rope core and improving the applicability of the rope core is an effective way for improving the comprehensive service performance of the steel wire rope. How to improve the comprehensive performance of the rope core of the steel wire rope, such as improving the strength of the rope core, improving the pressure resistance of the rope core and the like, has important significance for improving the rope core and the whole steel wire rope. Through changing single rope core structure to realize optimizing the rope core, and then strengthen the performance of rope core, promote life and be the main pursuit of present stage. The steel wire rope cores such as the composite steel wire rope core of the Chinese utility model patent with the application number of CN202220452744.7 aim to solve the problems of the performance of the rope core, the service life of the rope core and the like.
Disclosure of Invention
The utility model aims to provide a high polymer rope core structure for a crane steel wire rope, which solves the problems of low strength and short service life of the existing part of steel wire rope cores.
The utility model provides a hoist is polymer rope core structure for wire rope, it includes a compound super high molecular inner core, 6 strengthen thick steel wire, 15 strengthen thin steel wire, many elasticity rubber core and a wear-resisting protective layer, 6 strengthen thick steel wire evenly encircle around set up in compound super high molecular inner core outside, 15 strengthen thin steel wire evenly encircle set up in strengthen thick steel wire outside, many elasticity rubber core evenly encircle set up in strengthen thin steel wire outside, wear-resisting protective layer encircle set up in elasticity rubber core outside, wherein, compound super high molecular inner core contains an ultra high molecular weight polyethylene core, a steel wire woven mesh and many mixed polymer that set gradually from interior to exterior weave outer core.
Preferably, the mixed polymer woven outer core is formed by twisting a plurality of strands of terylene, nylon and fibrous ultra-high molecular weight polyethylene. The outer core is woven to the mixed polymer can effectively improve tensile strength and durability of the rope core structure, so that the crane wire rope using the rope core can be more stable and reliable when being pulled, and meanwhile, the flexibility and the bending property of the rope core structure can be effectively enhanced, so that the rope core structure can be more flexibly adapted to various working occasions and working requirements.
Preferably, the side surfaces of the steel wire woven mesh, which face the ultra-high molecular weight polyethylene core and the mixed polymer woven outer core, are respectively provided with a convex tip, and the tip of the convex tip faces outwards. Preferably, the convex tip is an equilateral triangle convex tip. The arrangement of the protruding tip enables the ultra-high molecular weight polyethylene core and the mixed polymer woven outer core to be tightly combined with the steel wire woven mesh, and meanwhile, the strength of the rope core structure is correspondingly improved.
Preferably, the wear-resistant protective layer is a crosslinked polyethylene wear-resistant protective layer. The polyethylene wear-resistant protective layer is arranged for assisting in transition. So that the steel wire rope has better wear resistance.
Preferably, the ultra-high molecular weight polyethylene core is formed by twisting ultra-high molecular weight polyethylene fiber low-twist yarns. The ultra-high molecular weight polyethylene core has longer pitch, the ultra-high molecular weight polyethylene fiber low twist yarn is made into the ultra-high molecular weight polyethylene core, the ultra-high molecular weight polyethylene core is woven into the core by long pitch, the strength utilization ratio of the fiber is higher, and the ultra-high molecular weight polyethylene core is made into the ultra-high molecular weight polyethylene core with high strength and low elongation.
Preferably, the strength of the ultra-high molecular weight polyethylene core is 30cN/dtex to 40cN/dtex. So that the strength of the rope core is sufficient.
Preferably, the outer sides of the reinforced thick steel wire and the reinforced thin steel wire are both provided with a galvanized layer. The galvanized layer is arranged to enable the wear resistance of the reinforced thick steel wire and the reinforced thin steel wire to be improved, and the strength of the rope core is further improved.
Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a high polymer rope core structure for a crane steel wire rope, which comprises a composite ultra-high polymer inner core, 6 reinforced thick steel wires, 15 reinforced thin steel wires, a plurality of elastic rubber cores and a wear-resistant protective layer. The rope core structure adopts light-weight high-strength materials such as a composite ultra-high molecular inner core, so that the dead weight of the rope core structure is greatly reduced, the lifting speed and the lifting efficiency of a crane using the rope core structure are improved, and meanwhile, the rope core structure has more excellent tensile strength and high bearing performance. The elastic rubber core is arranged, so that impact and vibration can be effectively absorbed, vibration and noise in the lifting process are reduced, stability and comfort of the crane are improved, and the rope core structure is tightly combined with each strand of the periphery when being made into a steel wire rope. Meanwhile, the wear-resistant protection layer is arranged, so that the wear and corrosion between the rope core structure and each strand of the periphery can be effectively prevented, the service life of the crane steel wire rope using the rope core structure is prolonged, and the maintenance cost is reduced. Therefore, the high polymer rope core structure for the crane steel wire rope has the characteristics of high strength, high density, light weight and the like, has the advantages of good tensile strength and wear resistance, reduced vibration and noise in the lifting process and the like, has extremely high use value and has higher service life.
Drawings
Fig. 1 is a schematic structural diagram of a polymer rope core structure for a crane steel wire rope.
Wherein:
100-composite ultra-high molecular inner core, 200-reinforced coarse steel wire, 300-reinforced fine steel wire, 400-elastic rubber core, 500-wear-resistant protective layer, 110-ultra-high molecular weight polyethylene core, 120-steel wire woven mesh and 130-mixed polymer woven outer core.
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 polymer rope core structure for a crane wire rope, which includes a composite ultra-high polymer inner core 100, 6 reinforced coarse wires 200, 15 reinforced fine wires 300, a plurality of elastic rubber cores 400, and a wear-resistant protection layer 500,6, wherein the reinforced coarse wires 200 are uniformly circumferentially arranged at the outer side of the composite ultra-high polymer inner core 100, the 15 reinforced fine wires 300 are uniformly circumferentially arranged at the outer side of the reinforced coarse wires 200, the plurality of elastic rubber cores 400 are uniformly circumferentially arranged at the outer side of the reinforced fine wires 300, and the wear-resistant protection layer 500 is circumferentially arranged at the outer side of the elastic rubber cores 400, and the composite ultra-high polymer inner core 100 includes an ultra-high polymer polyethylene core 110, a steel wire woven net 120, and a plurality of mixed polymer woven outer cores 130 sequentially arranged from inside to outside.
Preferably, the mixed polymer woven outer core 130 is a plurality of mixed polymer woven outer cores 130 formed by mixing and twisting terylene, nylon and fibrous ultra-high molecular weight polyethylene, and the number ratio of the three is preferably 1:1:1. the outer core 130 is woven to the mixed polymer, can effectively improve tensile properties and durability of the rope core structure, so that the crane wire rope using the rope core can be more stable and reliable when being pulled, and meanwhile, the flexibility and the bending property of the rope core structure can be effectively enhanced, so that the rope core structure can be more flexibly adapted to various working occasions and working requirements.
Preferably, the sides of the wire mesh grid 120 facing the ultra-high molecular weight polyethylene core 110 and the mixed polymer mesh outer core 130 are respectively provided with a convex tip, and the tips of the convex tips face outwards. Preferably, the convex tip is an equilateral triangle convex tip. The convex tip enables the ultra-high molecular weight polyethylene core 110 and the mixed polymer woven outer core 130 to be tightly combined with the steel wire woven mesh 120, and meanwhile, the strength of the rope core structure is correspondingly improved.
Preferably, the wear-resistant protective layer 500 is a crosslinked polyethylene wear-resistant protective layer 500. The polyethylene wear-resistant protective layer 500 is provided for transition assistance. So that the steel wire rope has better wear resistance. Preferably, the ultra high molecular weight polyethylene core 110 has a strength of 30cN/dtex to 40cN/dtex. So that the strength of the rope core is sufficient. Preferably, the outer sides of the reinforcing steel filaments 200 and the reinforcing steel filaments 300 are provided with a zinc plating layer. The provision of the zinc coating layer makes the reinforcing thick steel wire 200 and the reinforcing thin steel wire 300 wear-resistant, thereby improving the strength of the rope core.
Preferably, the ultra-high molecular weight polyethylene core 110 is formed by twisting ultra-high molecular weight polyethylene fiber low twist yarn. The ultra-high molecular weight polyethylene core 110 has a longer pitch, the ultra-high molecular weight polyethylene fiber low twist yarn is made into the ultra-high molecular weight polyethylene core 110, the long pitch is woven into the core, the strength utilization ratio of the fiber is higher, and the ultra-high molecular weight polyethylene core 110 is made with high strength and low elongation.
The utility model provides a high polymer rope core structure for a crane steel wire rope, which comprises a composite ultra-high polymer inner core 100, 6 reinforced coarse steel wires 200, 15 reinforced fine steel wires 300, a plurality of elastic rubber cores 400 and a wear-resistant protective layer 500. The rope core structure adopts light-weight high-strength materials such as the composite ultra-high molecular inner core 100, so that the dead weight of the rope core structure is greatly reduced, and the lifting speed and the lifting efficiency of a crane using the rope core structure are improved. The elastic rubber core 400 is arranged, so that impact and vibration can be effectively absorbed, vibration and noise in the lifting process are reduced, stability and comfort of the crane are improved, and the rope core structure is tightly combined with each strand of the periphery when being made into a steel wire rope. Meanwhile, the wear-resistant protection layer 500 is arranged, so that the abrasion and corrosion between the rope core structure and each strand of the periphery can be effectively prevented, the service life of the crane steel wire rope using the rope core structure is prolonged, and the maintenance cost is reduced. Therefore, the high polymer rope core structure for the crane steel wire rope has the characteristics of high strength, high density, light weight and the like, has the advantages of good tensile strength and wear resistance, reduced vibration and noise in the lifting process and the like, has extremely high use value and has higher service life.
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 (7)
1. A high polymer rope core structure for a crane steel wire rope is characterized in that: the reinforced ultra-high polymer rubber core comprises a composite ultra-high polymer inner core, 6 reinforced coarse steel wires, 15 reinforced fine steel wires, a plurality of elastic rubber cores and a wear-resistant protection layer, wherein the reinforced coarse steel wires uniformly encircle the outer side of the composite ultra-high polymer inner core, the reinforced fine steel wires uniformly encircle the outer side of the reinforced coarse steel wires, the elastic rubber cores uniformly encircle the outer side of the reinforced fine steel wires, the wear-resistant protection layer encircles the outer side of the elastic rubber cores, and the composite ultra-high polymer inner core comprises an ultra-high polymer polyethylene core, a steel wire woven net and a plurality of mixed polymer woven outer cores which are sequentially arranged from inside to outside.
2. The polymer rope core structure for a crane wire rope according to claim 1, wherein the wire mesh grid is provided with protruding points on both sides facing the ultra-high molecular weight polyethylene core and the mixed polymer woven outer core, and the protruding points are provided with their tips facing outward.
3. The polymeric rope core structure for a crane wire rope according to claim 2, wherein the protruding tip is an equilateral triangle protruding tip.
4. The polymeric rope core structure for a crane wire rope according to claim 1, wherein the wear-resistant protective layer is a crosslinked polyethylene wear-resistant protective layer.
5. The polymer rope core structure for a crane wire rope according to claim 1, wherein the ultra-high molecular weight polyethylene core is formed by twisting ultra-high molecular weight polyethylene fiber low twist yarns.
6. The polymer rope core structure for a crane wire rope according to claim 1, wherein the ultra-high molecular weight polyethylene core has a strength of 30cN/dtex to 40cN/dtex.
7. The polymer rope core structure for a crane wire rope according to claim 1, wherein the outer sides of the reinforcing thick steel wire and the reinforcing thin steel wire are each provided with a galvanized layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320742566.6U CN220035033U (en) | 2023-04-06 | 2023-04-06 | Polymer rope core structure for crane steel wire rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320742566.6U CN220035033U (en) | 2023-04-06 | 2023-04-06 | Polymer rope core structure for crane steel wire rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220035033U true CN220035033U (en) | 2023-11-17 |
Family
ID=88734977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320742566.6U Active CN220035033U (en) | 2023-04-06 | 2023-04-06 | Polymer rope core structure for crane steel wire rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220035033U (en) |
-
2023
- 2023-04-06 CN CN202320742566.6U patent/CN220035033U/en active Active
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