CN113338062A - Wear-resisting type transposition formula rope - Google Patents
Wear-resisting type transposition formula rope Download PDFInfo
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- CN113338062A CN113338062A CN202110666578.0A CN202110666578A CN113338062A CN 113338062 A CN113338062 A CN 113338062A CN 202110666578 A CN202110666578 A CN 202110666578A CN 113338062 A CN113338062 A CN 113338062A
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- wear
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- protective layer
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/141—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1012—Rope or cable structures characterised by their internal structure
- D07B2201/102—Rope or cable structures characterised by their internal structure including a core
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2075—Fillers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2075—Fillers
- D07B2201/2082—Fillers characterised by the materials used
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2401/00—Aspects related to the problem to be solved or advantage
- D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
- D07B2401/2065—Reducing wear
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2061—Ship moorings
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Ropes Or Cables (AREA)
Abstract
The wear-resistant stranded cable comprises a cable core, wherein the cable core is formed by stranding three single cable cores, a protective layer is arranged on the outer wall of the cable core, and a filling layer is filled between the protective layer and the cable core; the outer wall of the protective layer is provided with a wear-resistant layer, and an adhesive layer is arranged between the protective layer and the wear-resistant layer; the protective layer is made of polypropylene fiber. The rope core is formed by twisting three strands of single rope cores, the strength of the rope is improved, the wear resistance of a product is further improved by arranging the protective layer and the wear-resistant layer, the wear-resistant layer is subjected to activity treatment by feeding crosslinked polyethylene into an excitation solution, and the bonding layers are conveniently integrated better, so that the tightness between the layered structures is improved.
Description
Technical Field
The invention relates to the technical field of ropes, in particular to a wear-resistant stranded rope.
Background
With the trend of large-scale ship types and large loading capacity of ship manufacturing and ocean transportation, the matching requirements of ships on cables enter a new stage of differentiation, and particularly, important projects such as ultra-large ships, ships in special industries, ocean engineering and the like all need a novel structure, and particularly, besides the characteristics of high strength, light weight, low elongation and chemical corrosion resistance, the novel structure still needs good insulating property. The cable has the performances of tensile resistance, impact resistance, abrasion resistance, flexibility, light and soft and the like, and is used for tying a multi-strand rope of a ship. The steel is required to have the properties of tensile resistance, impact resistance, abrasion resistance, flexibility, light flexibility and the like.
The existing ropes are combined by adopting a simple structure, the tightness between the rope layers is poor, the service life of the ropes is easily influenced, and further improvement treatment is needed on the basis.
Disclosure of Invention
The present invention is directed to a wear-resistant twisted rope, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a wear-resistant stranded rope comprises a rope core, wherein the rope core is formed by stranding three single rope cores, a protective layer is arranged on the outer wall of the rope core, and a filling layer is filled between the protective layer and the rope core; the outer wall of the protective layer is provided with a wear-resistant layer, and an adhesive layer is arranged between the protective layer and the wear-resistant layer; the protective layer is made of polypropylene fiber;
feeding crosslinked polyethylene into an excitation solution for stirring treatment, wherein the stirring speed is 50-100r/min, the stirring time is 10min, then performing laser irradiation, the irradiation power is 150-200W, the irradiation time is 20-35min, and finally performing double-screw extrusion molding to obtain the wear-resistant layer;
the preparation method of the filling layer comprises the following steps: the method comprises the steps of feeding bamboo fibers into a graphene solution according to the weight ratio of 1:5, stirring at a low speed of 250r/min for 10-20min at a stirring speed of 150-.
Preferably, the excitation solution is an aluminum chloride solution, 2 times of silica sol is added, and then ultrasonic treatment is carried out at the power of 300-400W for 20-30min to obtain the excitation solution.
Preferably, the modification method of the modified clay comprises the following steps: and (2) feeding the clay into a cupric nitrate ethanol solution for stirring at the stirring speed of 500-600r/min for 20-30min, then adding sodium acetate, continuing stirring for 10-20min, and finally washing and drying.
Preferably, the concentration of the copper nitrate ethanol solution is 0.1-0.3 mol/L.
Preferably, the concentration of the copper nitrate ethanol solution is 0.2 mol/L.
Preferably, the concentration of the sodium acetate is 1g/125-135 mL.
Preferably, the concentration of the sodium acetate is 1g/130 mL.
Preferably, the preparation method of the bonding layer comprises the following steps: and (3) conveying the bentonite into sodium citrate for ultrasonic stripping with ultrasonic power of 200-300W and ultrasonic time of 10-20min, then carrying out thermalization treatment to obtain bentonite after the thermalization is finished, and finally filling the bentonite between the protective layer and the wear-resistant layer to form the bonding layer.
Preferably, the thermalization treatment first raises the reaction temperature to 190 ℃ at 170-.
Compared with the prior art, the invention has the beneficial effects that
The rope core is formed by twisting three strands of single rope cores, the strength of the rope is improved, the wear resistance of a product is further improved by arranging the protective layer and the wear-resistant layer, the wear-resistant layer is subjected to activity treatment by feeding crosslinked polyethylene into an excitation solution, so that the bonding layers are better integrated, the compactness between the layered structures is improved, the interval between the layers is reduced after the bonding layers are stripped and thermalized through bentonite, the wear-resistant layer is shrunk and clamped, the shrinkage of the wear-resistant layer is improved, the wear-resistant layer is better attached to the product, the wear-resistant effect of the product is improved, the filling layer is compounded by adopting bamboo fiber, graphene solution and modified clay, the flexibility of the filling layer is improved, the filling layer serves as an intermediate layer, the toughness connection can be better achieved, and the close connection between the layered structures is further improved, and then the wear-resisting effect of the product is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments 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.
Example 1:
referring to fig. 1, the wear-resistant twisted rope according to the embodiment of the present invention includes a rope core 1, where the rope core 1 is formed by twisting three single rope cores, a protective layer 2 is disposed on an outer wall of the rope core 1, and a filling layer 4 is filled between the protective layer 2 and the rope core 1; the outer wall of the protective layer 2 is provided with a wear-resistant layer 3, and an adhesive layer 5 is arranged between the protective layer 2 and the wear-resistant layer 3; the protective layer is made of polypropylene fiber;
feeding crosslinked polyethylene into an excitation solution for stirring treatment, wherein the stirring speed is 50r/min, the stirring time is 10min, then carrying out laser irradiation, the irradiation power is 150W, the irradiation time is 20min, and finally carrying out double-screw extrusion molding to obtain the wear-resistant layer;
the preparation method of the filling layer 4 comprises the following steps: the bamboo fibers are fed into the graphene solution according to the weight ratio of 1:5 to be stirred at a low speed for 10min, the stirring speed is 150r/min, then modified clay accounting for 20% of the total weight of the bamboo fibers is added, stirring is continued for 20min, finally, washing and drying are carried out to obtain fillers, and then the fillers are filled between the rope core 1 and the protective layer 2 to form a filling layer.
In the excitation solution of this embodiment, 2 times of silica sol is added to an aluminum chloride solution, and then ultrasonic treatment is performed at a power of 300W for 20min, so as to obtain an excitation solution.
The modification method of the modified clay of this embodiment is: and (3) feeding the clay into a cupric nitrate ethanol solution for stirring at the stirring speed of 500r/min for 20min, then adding sodium acetate, continuing stirring for 10min, and finally washing and drying.
The concentration of the copper nitrate ethanol solution of this example was 0.1 mol/L.
The concentration of sodium acetate in this example was 1g/125 mL.
The preparation method of the adhesive layer 5 of this embodiment is: and (3) feeding the bentonite into sodium citrate for ultrasonic stripping with ultrasonic power of 200W and ultrasonic time of 10min, then carrying out thermalization treatment to obtain bentonite material, and finally filling the bentonite material between the protective layer 2 and the wear-resistant layer 3 to form an adhesive layer.
In the thermalization treatment of the embodiment, the reaction temperature is increased to 170 ℃, the temperature is maintained for 20min, then the reaction temperature is increased to 310 ℃ at the speed of 2 ℃/min, the temperature is maintained for 30min, and finally the reaction product is naturally cooled to the room temperature.
Example 2:
referring to fig. 1, the wear-resistant twisted rope according to the embodiment of the present invention includes a rope core 1, where the rope core 1 is formed by twisting three single rope cores, a protective layer 2 is disposed on an outer wall of the rope core 1, and a filling layer 4 is filled between the protective layer 2 and the rope core 1; the outer wall of the protective layer 2 is provided with a wear-resistant layer 3, and an adhesive layer 5 is arranged between the protective layer 2 and the wear-resistant layer 3; the protective layer is made of polypropylene fiber;
feeding crosslinked polyethylene into an excitation solution for stirring treatment, wherein the stirring speed is 100r/min, the stirring time is 10min, then carrying out laser irradiation, the irradiation power is 200W, the irradiation time is 35min, and finally carrying out double-screw extrusion molding to obtain the wear-resistant layer;
the preparation method of the filling layer 4 comprises the following steps: the method comprises the steps of feeding bamboo fibers into a graphene solution according to the weight ratio of 1:5, stirring at a low speed of 250r/min for 20min, adding modified clay accounting for 30% of the total amount of the bamboo fibers, continuing stirring for 30min, finally washing with water, drying to obtain a filler, and filling the filler between a rope core 1 and a protective layer 2 to form a filling layer.
In the excitation solution of the embodiment, 2 times of silica sol is added into an aluminum chloride solution, and then ultrasonic treatment is performed at a power of 400W for 20-30min to obtain the excitation solution.
The modification method of the modified clay of this embodiment is: and (3) feeding the clay into a cupric nitrate ethanol solution for stirring at the stirring speed of 600r/min for 30min, then adding sodium acetate, continuing stirring for 20min, and finally washing and drying.
The concentration of the copper nitrate ethanol solution of this example was 0.3 mol/L.
The concentration of sodium acetate in this example was 1g/135 mL.
The preparation method of the adhesive layer 5 of this embodiment is: and (3) feeding the bentonite into sodium citrate for ultrasonic stripping with ultrasonic power of 300W and ultrasonic time of 20min, then carrying out thermalization treatment to obtain bentonite material, and finally filling the bentonite material between the protective layer 2 and the wear-resistant layer 3 to form an adhesive layer.
In the thermalization treatment of the embodiment, the reaction temperature is increased to 190 ℃ and is kept for 30min, then the reaction temperature is increased to 330 ℃ at the speed of 2 ℃/min, the temperature is kept for 30min, and finally the reaction product is naturally cooled to room temperature.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A wear-resistant stranded rope comprises a rope core (1) and is characterized in that the rope core (1) is formed by stranding three single rope cores, a protective layer (2) is arranged on the outer wall of the rope core (1), and a filling layer (4) is filled between the protective layer (2) and the rope core (1); the outer wall of the protective layer (2) is provided with a wear-resistant layer (3), and an adhesive layer (5) is arranged between the protective layer (2) and the wear-resistant layer (3); the protective layer is made of polypropylene fiber;
feeding crosslinked polyethylene into an excitation solution for stirring treatment, wherein the stirring speed is 50-100r/min, the stirring time is 10min, then performing laser irradiation, the irradiation power is 150-200W, the irradiation time is 20-35min, and finally performing double-screw extrusion molding to obtain the wear-resistant layer;
the preparation method of the filling layer (4) comprises the following steps: the method comprises the steps of feeding bamboo fibers into a graphene solution according to the weight ratio of 1:5, stirring at a low speed of 250r/min for 10-20min at a stirring speed of 150-.
2. The abrasion-resistant stranded cable according to claim 1, wherein the excitation solution is an aluminum chloride solution, 2 times of silica sol is added, and then the solution is subjected to ultrasonic treatment at a power of 300-400W for 20-30min to obtain the excitation solution.
3. The wear-resistant stranded cable of claim 1, wherein the modified clay is modified by: and (2) feeding the clay into a cupric nitrate ethanol solution for stirring at the stirring speed of 500-600r/min for 20-30min, then adding sodium acetate, continuing stirring for 10-20min, and finally washing and drying.
4. A wear resistant stranded cable according to claim 3 wherein said copper nitrate ethanolic solution has a concentration of 0.1-0.3 mol/L.
5. A wear resistant stranded cable according to claim 4 wherein said copper nitrate ethanolic solution has a concentration of 0.2 mol/L.
6. A wear resistant stranded cable according to claim 3, wherein said sodium acetate concentration is 1 g/125-.
7. A wear resistant stranded cable according to claim 6, wherein said sodium acetate is at a concentration of 1g/130 mL.
8. A wear-resistant stranded cable according to claim 1, wherein said adhesive layer (5) is prepared by: and (3) conveying the bentonite into sodium citrate for ultrasonic stripping with ultrasonic power of 200-300W and ultrasonic time of 10-20min, then carrying out thermalization treatment to obtain bentonite after the thermalization is finished, and finally filling the bentonite between the protective layer (2) and the wear-resistant layer (3) to form a bonding layer.
9. The wear-resistant stranded cable as claimed in claim 8, wherein the thermalization process comprises raising the reaction temperature to 190 ℃ at a rate of 170 ℃ for 20-30min, raising the reaction temperature to 330 ℃ at a rate of 2 ℃/min for 30min, and naturally cooling to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110666578.0A CN113338062A (en) | 2021-06-16 | 2021-06-16 | Wear-resisting type transposition formula rope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110666578.0A CN113338062A (en) | 2021-06-16 | 2021-06-16 | Wear-resisting type transposition formula rope |
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| CN113338062A true CN113338062A (en) | 2021-09-03 |
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| CN202110666578.0A Pending CN113338062A (en) | 2021-06-16 | 2021-06-16 | Wear-resisting type transposition formula rope |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187899A (en) * | 1995-05-09 | 1998-07-15 | 克拉伦斯·S·弗里曼 | Non-water permeating power transmission cable |
| CN1284982A (en) * | 1997-12-12 | 2001-02-21 | Dsm有限公司 | Liquid curable resin composition, coating, and cured coating therefrom |
| CN101798466A (en) * | 2010-03-16 | 2010-08-11 | 龙海市奈特化工有限责任公司 | Natural fiber composite material and preparation method thereof |
| KR101042265B1 (en) * | 2010-05-06 | 2011-06-17 | 주식회사 우빈기술개발 | Greening mat of tray type and the method of construction thereof |
| WO2015134023A1 (en) * | 2014-03-06 | 2015-09-11 | Otis Elevator Company | Woven elevator belt with coating |
| CN106283775A (en) * | 2016-11-24 | 2017-01-04 | 扬州兴轮绳缆有限公司 | A kind of composite rope of novel multi-layer braiding |
| CN107044059A (en) * | 2017-06-06 | 2017-08-15 | 扬州兴轮绳缆有限公司 | A kind of Cable rope for ship |
| CN107446261A (en) * | 2017-07-31 | 2017-12-08 | 安徽新智电力科技有限公司 | Benzoic cable jacket material and preparation method thereof is incorporated based on ultrasonic state |
| CN110191801A (en) * | 2016-11-22 | 2019-08-30 | 水泥帐篷技术有限公司 | Flexible composite |
| CN209555637U (en) * | 2019-03-01 | 2019-10-29 | 抚州大力实业发展有限公司 | A kind of wear-resisting reinforced cable |
| WO2020092189A1 (en) * | 2018-11-02 | 2020-05-07 | Corning Research & Development Corporation | Flexible, non -preferential bend jackets for optical fiber cables |
| CN111187626A (en) * | 2020-01-08 | 2020-05-22 | 华仲动芯新材料(盱眙)有限公司 | Mineral-based organic soil conditioner and preparation method thereof |
-
2021
- 2021-06-16 CN CN202110666578.0A patent/CN113338062A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1187899A (en) * | 1995-05-09 | 1998-07-15 | 克拉伦斯·S·弗里曼 | Non-water permeating power transmission cable |
| CN1284982A (en) * | 1997-12-12 | 2001-02-21 | Dsm有限公司 | Liquid curable resin composition, coating, and cured coating therefrom |
| CN101798466A (en) * | 2010-03-16 | 2010-08-11 | 龙海市奈特化工有限责任公司 | Natural fiber composite material and preparation method thereof |
| KR101042265B1 (en) * | 2010-05-06 | 2011-06-17 | 주식회사 우빈기술개발 | Greening mat of tray type and the method of construction thereof |
| WO2015134023A1 (en) * | 2014-03-06 | 2015-09-11 | Otis Elevator Company | Woven elevator belt with coating |
| CN110191801A (en) * | 2016-11-22 | 2019-08-30 | 水泥帐篷技术有限公司 | Flexible composite |
| CN106283775A (en) * | 2016-11-24 | 2017-01-04 | 扬州兴轮绳缆有限公司 | A kind of composite rope of novel multi-layer braiding |
| CN107044059A (en) * | 2017-06-06 | 2017-08-15 | 扬州兴轮绳缆有限公司 | A kind of Cable rope for ship |
| CN107446261A (en) * | 2017-07-31 | 2017-12-08 | 安徽新智电力科技有限公司 | Benzoic cable jacket material and preparation method thereof is incorporated based on ultrasonic state |
| WO2020092189A1 (en) * | 2018-11-02 | 2020-05-07 | Corning Research & Development Corporation | Flexible, non -preferential bend jackets for optical fiber cables |
| CN209555637U (en) * | 2019-03-01 | 2019-10-29 | 抚州大力实业发展有限公司 | A kind of wear-resisting reinforced cable |
| CN111187626A (en) * | 2020-01-08 | 2020-05-22 | 华仲动芯新材料(盱眙)有限公司 | Mineral-based organic soil conditioner and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 文物研究编辑部: "《文物研究.第12辑》", 31 January 2000, 黄山书社 * |
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Application publication date: 20210903 |