CN109209000B - Scratch-resistant composite material electric pole and manufacturing method thereof - Google Patents
Scratch-resistant composite material electric pole and manufacturing method thereof Download PDFInfo
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- CN109209000B CN109209000B CN201811215238.0A CN201811215238A CN109209000B CN 109209000 B CN109209000 B CN 109209000B CN 201811215238 A CN201811215238 A CN 201811215238A CN 109209000 B CN109209000 B CN 109209000B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/584—Scratch resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/744—Non-slip, anti-slip
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- Architecture (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of electric poles and discloses a scratch-resistant composite electric pole and a manufacturing method thereof, wherein the scratch-resistant composite electric pole comprises a fiber layer, a resin layer and a grain layer, wherein the fiber layer is formed by winding fiber yarns on the outer surface of a core mold of the electric pole in a crossed mode through a fiber yarn spiral winding process, the resin layer is formed by spraying resin on the outer surface of the fiber layer, the grain layer is added into the resin in advance, the grain layer is sprayed along with the resin, the scratch-resistant layer is formed on the outer surface of the resin layer, the grain layer penetrates into the resin layer, the resin layer wraps the grain, a thin resin protective layer is formed outside the grain layer, a layer of demolding cloth wraps the protective layer, and a grain layer is formed after tearing off, so that the process steps are greatly reduced, the production efficiency is improved, the production cost, the friction force borne by the electric pole is greatly reduced, and the scraping resistance of the electric pole is improved.
Description
Technical Field
The invention relates to the technical field of electric poles, in particular to a scratch-resistant composite material electric pole and a manufacturing method thereof.
Background
The common wooden or cement material electric pole has the defects of heavy weight, short service life and the like, and after the electric pole is exposed to the sun and rain, the corrosion degree can be increased, and the service life can be shortened; general combined material pole simultaneously, the surface of pole is smooth or present the winding trace of reining in of fibre yarn, and the pole is in dry weather, and maintenance personal can barely step on the pole operation, but wet weather rainy, maintenance personal take place very easily when climbing the pole and skid, can bring certain potential safety hazard for maintenance personal.
And present anti-skidding pole adopts the particulate matter to expose at the surface or through setting up the one deck protective layer at the particulate matter surface greatly, and the particulate matter of the former pole drops because of the scraping easily, and in the work progress, the particulate matter loss is serious, and anti-skidding effect greatly reduced, and the latter technology is complicated, is unfavorable for mass production, and the consumptive material is also serious, and is with high costs.
Chinese patent CN201721445998.1 a combined material antiskid pole, through exposed particulate matter or spray one deck protective layer again or heat and make resin layer parcel particulate matter, exposed particulate matter makes the particulate matter drop easily, it is scratch-resistant, and adopt spraying or heating resin, the technology is complicated loaded down with trivial details, be unfavorable for mass production, and with high costs, and because the skid resistant layer is uneven, the protective layer that goes on additionally spraying has the space with the resin layer, get into the air easily, the protective layer can't closely laminate with particulate matter and resin layer, drop easily, can not play the guard action.
Disclosure of Invention
The invention aims to provide a scratch-resistant composite material electric pole, which can effectively improve the scratch resistance and the service life of the electric pole, and provides a manufacturing method of the scratch-resistant composite material electric pole, which can improve the production efficiency of the scratch-resistant composite material electric pole, simplify the production process and reduce the cost.
In order to solve the above technical problems, the present invention provides a scratch resistant composite pole, comprising:
the fiber layer is formed by winding fiber yarns on the outer surface of the core mold of the electric pole in a crossed manner by adopting a fiber yarn spiral winding process;
the resin layer is formed by uniformly spraying resin on the outer surface of the fiber layer;
the scratch-resistant layer is formed by adding particles on the resin layer, wherein the particles form a scratch-resistant layer on the outer surface of the resin layer;
the protective layer is used for enabling the particles to permeate into the resin layer, the resin layer wraps the particles, and a thin resin protective layer is formed outside the particles;
and the texture layer is formed by wrapping a layer of demoulding cloth outside the protective layer and tearing off the demoulding cloth.
Preferably, the particulate matter comprises large particles and small particles, the particle size of the large particles is 0.2-1 mm, and the particle size of the small particles is 0.075-0.18 mm.
Preferably, the thickness of the fiber layer is 5-12 mm.
Preferably, the thickness of the protective layer is 0.2-2 mm.
Preferably, the thickness of the texture layer is 0.1-0.5 mm.
The scratch-resistant composite material electric pole provided by the invention has the following beneficial effects:
the scratch-resistant composite material electric pole comprises a fiber layer, a resin layer, a scratch-resistant layer, a protective layer and a texture layer which are sequentially arranged from inside to outside, wherein the fiber layer is wound on a core mould of the electric pole, after the fiber layer is cured, resin and particles are arranged outside the fiber layer, so that the scratch-resistant and anti-skid effects can be achieved, the safety of the scratch-resistant composite material electric pole is ensured, operators are prevented from skidding when climbing the electric pole, meanwhile, a layer of texture layer is formed on the outer surface of the protective layer by wrapping demolding cloth on the outer layer, so that the skid resistance and the weather resistance of the electric pole are improved again on the premise of scratch resistance, and after the texture layer is damaged, the inner scratch-resistant layer still has the anti-skid performance; in addition, the particles are completely wrapped inside the resin, no gap or air hole is formed in the middle of the resin, the particles are not easy to fall off, the better scratch resistance is achieved, the anti-skidding performance is considered, the particles are not easy to fall off in the construction process, and the protective layer wrapped outside is high in viscosity and stability, not easy to fall off and not easy to damage in the scraping process.
In order to solve the same technical problem, the invention also provides a manufacturing method of the scratch-resistant composite material electric pole, which comprises the following steps:
s1, winding the fiber yarn soaked with liquid resin on the outer surface of the pole core mould in a crossing way at various winding angles by adopting a hoop winding technology; winding the glass fiber yarns outside the core mold of the electric pole in a crossed manner by utilizing a circumferential winding technology to form a fiber layer;
s2, after the fiber layer is fully cured, fully mixing the particles and the resin, introducing the mixture into a spraying device, and spraying the particles and the resin on the outer surface of the fiber layer through the spraying device; in the spraying process, the core mold is rotated and sprayed at the same time, a resin layer is formed on the outer surface of the fiber layer, particles in the resin layer are uneven to form a scratch-resistant layer, and the outer surface of the scratch-resistant layer is wrapped by the resin layer to form a protective layer.
Preferably, when the protective layer in the step S2 is not cured, a layer of release cloth is wrapped on the outer surface of the protective layer, and after the protective layer is completely cured, the release cloth is torn off to form a texture layer.
Preferably, the mixing of the particles and the resin in the step S2 specifically includes the following steps:
s21, slowly pouring the particles into a resin container and starting stirring;
s22, heating the resin container while pouring the particles into the resin container to fully mix the resin and the particles;
and S23, stopping heating and stirring the mixed resin, standing for 10min, and introducing into a spraying device.
Preferably, the weight of the particles is 20-60% of the weight of the mixture of particles and resin.
Preferably, the particulate matter is quartz sand particles or carborundum particles.
Preferably, when the protective layer is wrapped by the release cloth, a layer of resin is coated on the inner surface of the release cloth and then the protective layer is wrapped on the outer surface of the protective layer.
Preferably, the resin of the resin layer is a polyurethane resin or an epoxy resin.
The invention provides a manufacturing method of a scratch-resistant composite material electric pole, which has the following beneficial effects:
1. the method for manufacturing the anti-scratch composite material electric pole adopts the steps of mixing the resin and the particles and spraying the fiber layer by spraying, the particles are fully mixed with the resin and are wrapped in the resin, compared with the spraying of the particles in the traditional process, the method greatly reduces the gaps between the particles and the resin, avoids the air from being brought in when the particles fall down, improves the stability of the particles in the resin, and has better anti-scratch performance.
2. According to the manufacturing method of the anti-scratch composite material electric pole, when the outer surface of the protective layer is not cured, the protective layer is wrapped by the demolding cloth, the demolding cloth can better fix and compress particles and resin, a texture layer can be formed on the outer surface of the protective layer by tearing off after curing, so that the anti-scratch effect of the electric pole is better, in addition, in the scraping process of the electric pole, the contact area of the electric pole and the ground is reduced, the friction force borne by the electric pole is greatly reduced, the texture layer is firstly lost, and the protective layer is protected.
In order to solve the same technical problem, the invention also provides a manufacturing method of the scratch-resistant composite material electric pole, which comprises the following steps:
s101, winding the fiber yarns soaked with the liquid resin on the outer surface of the pole core mold in a crossed manner at various winding angles by adopting a hoop winding technology; winding the glass fiber yarns outside the core mold of the electric pole in a crossed manner by utilizing a circumferential winding technology to form a fiber layer;
s102, after the fiber layer is solidified, winding the fiber yarn soaking resin on the surface of the fiber layer to form a resin layer;
s103, when the resin layer is not cured, spraying a layer of particles on the outer surface of the resin layer to form a scratch-resistant layer;
s104, when the resin layer is not cured, wrapping a layer of demolding cloth on the outer surface of the scratch-resistant layer, extruding the resin by the demolding cloth, wrapping the scratch-resistant layer by the resin, and forming a protective layer on the outer surface of the scratch-resistant layer;
and S105, after the protective layer is solidified, tearing off the demolding cloth, and forming a texture layer on the outer surface of the protective layer.
The invention provides a manufacturing method of a scratch-resistant composite material electric pole, which has the following beneficial effects:
the resin is extruded through the demolding cloth, so that the resin wraps particles to form a protective layer and a texture layer, the production process is greatly simplified, the production efficiency is improved, the production cost is reduced, and the electric pole is more resistant to scraping.
Drawings
FIG. 1 is a schematic structural view of a scratch and mar resistant composite pole in an embodiment of the invention;
FIG. 2 is a flow chart of one method of manufacturing a scuff and scratch resistant composite pole in an embodiment of the present invention;
fig. 3 is a flow chart of another method of making a scuff and scratch resistant composite pole in an embodiment of the present invention.
Reference numerals: 1. a fibrous layer; 2. a resin layer; 3. a scratch resistant layer; 4. a protective layer; 5. and (5) a texture layer.
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.
Referring to fig. 1, a scuff and scratch resistant composite pole according to a preferred embodiment of the present invention includes:
the fiber layer 1 is formed by winding fiber yarns on the outer surface of the core mould of the electric pole in a crossed manner by adopting a fiber yarn spiral winding process;
the resin layer 2 is formed by uniformly spraying resin on the outer surface of the fiber layer 1;
the scratch-resistant layer 3 is formed by adding particles on the resin layer 2, and the particles form a scratch-resistant layer 3 on the outer surface of the resin layer 2;
the protective layer 4, the particles penetrate into the resin layer 2, the resin layer 2 wraps the particles, and a thin resin protective layer 4 is formed outside the particles;
and the texture layer 5 is formed by wrapping a layer of demolding cloth outside the protective layer 4.
Preferably, the particulate matter comprises large particles and small particles, the particle size of the large particles is 0.2-1 mm, and the particle size of the small particles is 0.075-0.18 mm.
Preferably, the thickness of the fiber layer 1 is 5-12 mm.
Preferably, the thickness of the protective layer 4 is 0.2-2 mm.
Preferably, the thickness of the texture layer 5 is 0.1-0.5 mm.
In summary, the scratch-resistant composite material electric pole of the embodiment of the invention comprises a fiber layer 1, a resin layer 2, a scratch-resistant layer 3, a protective layer 4 and a texture layer 5 which are sequentially arranged from inside to outside, wherein the fiber layer 1 is wound on a core mould of the electric pole, after the fiber layer 1 is cured, resin and particles are arranged outside the fiber layer 1, so that a good scratch-resistant effect can be achieved, and meanwhile, a layer of texture layer 5 is formed on the outer surface of the protective layer 4 by wrapping demolding cloth on the outer layer, so that the anti-skid property and the weather resistance of the electric pole are improved again on the premise of scratch resistance; in addition, the particles are completely wrapped inside the resin, no gap or air hole is formed in the middle of the resin, the particles are not easy to fall off, the better scratch resistance is achieved, the anti-skidding performance is considered, the particles are not easy to fall off in the construction process, and the protective layer 4 wrapped outside is high in viscosity, high in stability, not easy to fall off and not easy to damage in the scraping process.
Referring to fig. 2, an embodiment of the present invention further provides a method for manufacturing a scratch and scratch resistant composite pole, including the following steps:
s1, winding the fiber yarn soaked with liquid resin on the outer surface of the pole core mould in a crossing way at various winding angles by adopting a hoop winding technology; winding the glass fiber yarn outside the core mold of the electric pole in a crossed manner by using a hoop winding technology to form a fiber layer 1;
s2, after the fiber layer 1 is fully cured, fully mixing the particles and the resin, introducing the mixture into a spraying device, and spraying the particles and the resin on the outer surface of the fiber layer 1 through the spraying device; in the spraying process, the core mold is rotated and sprayed at the same time, a resin layer 2 is formed on the outer surface of a fiber layer 1, particles in the resin layer 2 are uneven to form a scratch-resistant layer 3, and the outer surface of the scratch-resistant layer 3 is wrapped by the resin layer 2 to form a protective layer 4.
Preferably, when the protective layer 4 in the step S2 is not cured, a layer of release fabric is wrapped on the outer surface of the protective layer 4, and after the protective layer is completely cured, the release fabric is torn off to form a texture layer 5.
Preferably, the mixing of the particles and the resin in the step S2 specifically includes the following steps:
s21, slowly pouring the particles into a resin container and starting stirring;
s22, heating the resin container while pouring the particles into the resin container to fully mix the resin and the particles;
and S23, stopping heating and stirring the mixed resin, standing for 10min, and introducing into a spraying device.
Specifically, the resin is added with the particles and stirred at the same time, so that the resin and the particles can be mixed more uniformly, meanwhile, heating is adopted, bubbles generated in the resin in the stirring process can be avoided, the viscosity of the resin can be reduced, and a large amount of particles cannot be stuck by the resin at one position to influence uniform stirring; and after the mixture is fully stirred, stopping heating, standing for 10min to ensure that the resin with the recovered viscosity fully sticks the particles, and introducing into a spraying device.
Preferably, the weight of the particulate matter is 20% to 60% of the weight of the mixture of particulate matter and resin.
Specifically, the specific gravity of the particles of the electric poles with different engineering requirements is different, the weight of the particles of the mountain electric poles in the mixture is 40% -60%, the weight of the particles of the urban electric poles in the mixture is 20% -30%, and the weight of the particles of the rural electric poles in the mixture is 30% -40%.
It should be noted that the proportion of the particulate matter also needs to be determined according to factors such as specific altitude, environment, climate, and ambient environment, and is not fixed.
Preferably, the particulate matter is quartz sand particles or carborundum particles.
Specifically, the particles are quartz sand particles, carborundum particles or a mixture of the quartz sand particles and the carborundum particles.
Preferably, when the protective layer 4 is wrapped with the release fabric, a layer of resin is applied to the inner surface of the release fabric and then wrapped on the outer surface of the protective layer 4.
Specifically, a layer of resin is coated on the demolding cloth, so that the phenomenon that the demolding cloth cannot be stuck due to the fact that the protective layer 4 is too thin can be avoided, and the phenomenon that part of the resin of the protective layer 4 is torn down together with the demolding cloth in the tearing process can also be avoided.
Preferably, the resin of the resin layer 2 is a polyurethane resin or an epoxy resin.
In conclusion, in the manufacturing method of the anti-scratch composite material pole, the fiber layer 1 is sprayed by spraying after the resin and the particles are mixed, the particles are fully mixed with the resin and are wrapped, compared with the spraying of the particles in the traditional process, the method greatly reduces the gap between the particles and the resin, avoids air from being brought in when the particles fall down, improves the stability of the particles in the resin, has better anti-scratch performance, protrudes outwards in the resin, jacks up a layer of protective resin to form the protective layer 4, puts the resin layer 2, the anti-scratch layer 3 and the protective layer 4 in place in one step, compared with the step processing in the traditional process, the method is simple to operate, high in efficiency and low in cost, has higher adhesion among the protective layer 4, the resin layer 2 and the anti-scratch layer 3 and has high integration degree, the scratch resistance is stronger.
In addition, according to the manufacturing method of the scratch-resistant composite material electric pole disclosed by the embodiment of the invention, when the outer surface of the protective layer 4 is not cured, the protective layer is wrapped by the demolding cloth, the demolding cloth can better fix and compress particles and resin, and the texture layer 5 can be formed on the outer surface of the protective layer 4 by tearing off after curing, so that the scratch resistance of the electric pole is better, in the scraping process of the electric pole, the contact area between the electric pole and the ground is reduced, the friction force borne by the electric pole is greatly reduced, and the texture layer 5 is firstly lost, so that the protective effect on the protective layer 4 is achieved.
Referring to fig. 3, an embodiment of the present invention further provides a method for manufacturing a scratch and scratch resistant composite pole, including the following steps:
s101, winding the fiber yarns soaked with the liquid resin on the outer surface of the pole core mold in a crossed manner at various winding angles by adopting a hoop winding technology; winding the glass fiber yarn outside the core mold of the electric pole in a crossed manner by using a hoop winding technology to form a fiber layer 1;
s102, after the fiber layer 1 is solidified, winding fiber yarn soaking resin on the surface of the fiber layer 1 to form a resin layer 2;
s103, when the resin layer 2 is not cured, spraying a layer of particles on the outer surface of the resin layer 2 to form a scratch-resistant layer 3;
s104, when the resin layer 2 is not cured, wrapping a layer of demolding cloth on the outer surface of the scratch-resistant layer 3, extruding the resin by the demolding cloth, wrapping the scratch-resistant layer 3 by the resin, and forming a protective layer 4 on the outer surface of the scratch-resistant layer 3;
and S105, after the protective layer 4 is solidified, tearing off the demolding cloth, and forming a texture layer 5 on the outer surface of the protective layer 4.
To sum up, extrude the resin through the drawing of patterns cloth, make the resin parcel particulate matter, form protective layer 4 and texture layer 5, simple and convenient production technology greatly has improved production efficiency, has reduced manufacturing cost, makes the pole more resistant to scratch.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (4)
1. The manufacturing method of the scratch-resistant composite material electric pole is characterized by comprising the following steps:
s1, winding the fiber yarn soaked with liquid resin on the outer surface of the pole core mould in a crossing way at various winding angles by adopting a hoop winding technology; winding the glass fiber yarns outside the core mold of the electric pole in a crossed manner by utilizing a circumferential winding technology to form a fiber layer;
s2, after the fiber layer is fully cured, fully mixing the particles and the resin, introducing the mixture into a spraying device, and spraying the particles and the resin on the outer surface of the fiber layer through the spraying device; in the spraying process, the core mold is rotated and sprayed at the same time, a resin layer is formed on the outer surface of the fiber layer, particles positioned in the resin layer are uneven to form a scratch-resistant layer, the outer surface of the scratch-resistant layer is wrapped by the resin layer to form a protective layer, and the protective layer is cured to form the scratch-resistant composite material electric pole;
the particles comprise large particles and small particles, the particle size of the large particles is 0.2-1 mm, and the particle size of the small particles is 0.075-0.18 mm; the thickness of the protective layer is 0.2-2 mm;
when the protective layer in the step S2 is not cured, wrapping a layer of demolding cloth on the outer surface of the protective layer, and tearing off the demolding cloth after the protective layer is completely cured to form a texture layer; the thickness of the texture layer is 0.1-0.5 mm.
2. The method for manufacturing a scratch resistant composite electric pole as recited in claim 1, wherein the mixing of the particles and the resin of the step S2, comprises the following steps:
s21, slowly pouring the particles into a resin container and starting stirring;
s22, heating the resin container while pouring the particles into the resin container to fully mix the resin and the particles;
and S23, stopping heating and stirring the mixed resin, standing for 10min, and introducing into a spraying device.
3. The method for manufacturing a scuff and scratch resistant composite pole as recited in claim 2, wherein the weight of said particulate matter is 20% -60% of the weight of the mixture of particulate matter and resin.
4. The method for manufacturing the scratch-resistant composite material electric pole as recited in any one of claims 1 to 3, wherein the resin of the resin layer is a polyurethane resin or an epoxy resin.
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| CN201811215238.0A CN109209000B (en) | 2018-10-18 | 2018-10-18 | Scratch-resistant composite material electric pole and manufacturing method thereof |
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| CN201811215238.0A CN109209000B (en) | 2018-10-18 | 2018-10-18 | Scratch-resistant composite material electric pole and manufacturing method thereof |
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| CN109209000B true CN109209000B (en) | 2020-02-21 |
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| CN116442554A (en) * | 2023-03-29 | 2023-07-18 | 广东欣粤电力器材有限公司 | Production method of double-layer composite material electric pole and double-layer composite material electric pole |
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| DE3816451A1 (en) * | 1988-05-13 | 1989-11-23 | Plica Peter | Multilayered plastic mast |
| CN101936085B (en) * | 2010-07-23 | 2011-11-30 | 北京玻钢院复合材料有限公司 | Composite material electric pole and structure design method thereof |
| CN104405962B (en) * | 2014-11-08 | 2015-11-18 | 湖南潇湘源科技开发有限责任公司 | High strength glass steel pipeline and production method thereof |
| CN106285158A (en) * | 2016-08-15 | 2017-01-04 | 云浮市欣粤电力器材有限公司 | The production method of anti-skidding composite material electric pole |
| CN207583050U (en) * | 2017-11-02 | 2018-07-06 | 云浮市欣粤电力器材有限公司 | A kind of anti-skidding electric pole of composite material |
| CN208950423U (en) * | 2018-10-18 | 2019-06-07 | 云浮市欣粤电力器材有限公司 | A kind of scratch-resistant composite material electric pole |
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Denomination of invention: A scratch resistant composite material electric pole and its manufacturing method Effective date of registration: 20230602 Granted publication date: 20200221 Pledgee: Bank of China Limited by Share Ltd. Yunfu branch Pledgor: Guangdong Xinyue Electric Power Equipment Co.,Ltd. Registration number: Y2023980042687 |