CN106285159B - Composite material electric pole and preparation method thereof - Google Patents
Composite material electric pole and preparation method thereof Download PDFInfo
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- CN106285159B CN106285159B CN201610770297.9A CN201610770297A CN106285159B CN 106285159 B CN106285159 B CN 106285159B CN 201610770297 A CN201610770297 A CN 201610770297A CN 106285159 B CN106285159 B CN 106285159B
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- electric pole
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a kind of composite material electric poles and preparation method thereof.The electric pole includes at least one winding group, which successively includes spiral wound, strengthening course and circumferential winding layer from inside to outside；The spiral wound using glass fibre or basalt fibre from the root spiral winding of the electric pole to taper, the spiral wound with a thickness of 0.5~1mm, winding angle is 1~3 °；The strengthening course using fiber cloth or fabric from 0.5~1.8m of root apart from the electric pole be wound at 3~8m of root apart from the electric pole, the strengthening course with a thickness of 0.5~1mm；The circumferential winding layer is wound to taper from the root circumferential direction of the electric pole using glass fibre or basalt fibre, the circumferential winding layer with a thickness of 0.3~0.6mm.The superior fatigue resistance of electric pole of the invention.
Description
Technical field
The present invention relates to a kind of composite material electric pole and preparation method thereof, especially a kind of high-strength and high ductility polyurethane composite
Expect electric pole and preparation method thereof.
Background technique
Traditional electric pole is generally cement pole, metallic rod or wooden electric pole.These electric poles have obtained extensively in hinterland
Application, but then there are many difficulties in while being used for coastal area.Coastal area and hinterland environmental quality difference, year
Substantially in 5m/s or so, this small speed wind of high-frequency requires electric pole to have good fatigue performance, that is, needs mean wind speed
Good toughness.Occur in addition, coastal area also has the high wind speed and wind such as typhoon, Super Typhoon, this requires electric poles with good
Good bearing capacity moment of flexure (big wind speed does not damage) has enough intensity.Three kinds of traditional electric poles meet coastal with requiring ratio
It is more difficult, it may appear that corrosion-vulnerable, installation and transportation difficulty, intensity and toughness by typhoon not enough thus the problem of easily being blown.
Therefore, there is an urgent need to a kind of electric pole, superior fatigue resistance can be applied to coastal area.
Summary of the invention
One of the objects of the present invention is to provide a kind of composite material electric pole, superior fatigue resistances.Mesh of the invention
Two be to provide the preparation method of above-mentioned composite material electric pole, simple process can obtain superior fatigue resistance
Electric pole.
The inventors of the present application found that, by adjusting Lay up design, selecting suitable undulation degree for composite material electric pole
Material can obtain the electric pole of superior fatigue resistance, so as to complete the present invention.
The present invention provides a kind of composite material electric pole comprising at least one winding group, such as 1~5 winding group, preferably
For 1~3 winding group.At least one described winding group of the invention from inside to outside successively include spiral wound, strengthening course and
Circumferential winding layer.Electric pole of the invention can be designed as taper type structure, that is, root diameter is greater than tip diameter.
A specific embodiment according to the present invention, the electric pole include at least one winding group, this at least one
Winding group successively includes spiral wound, strengthening course and circumferential winding layer from inside to outside；
Wherein, the spiral wound using glass fibre or basalt fibre from the root spiral winding of the electric pole to
Taper, the spiral wound with a thickness of 0.5~1mm, winding angle is 1~3 °；
Wherein, the strengthening course is using fiber cloth or fabric since at 0.5~1.8m of root apart from the electric pole
Be wound at 3~8m of root apart from the electric pole, the strengthening course with a thickness of 0.5~1mm；With
Wherein, the circumferential winding layer is wound to using glass fibre or basalt fibre from the root circumferential direction of the electric pole
Taper, the circumferential winding layer with a thickness of 0.3~0.6mm.
Electric pole according to the present invention, it is preferable that in the spiral wound, the glass fibre or basalt fibre
Used in the form of the zero twisted yarn by polyurethane infiltration processing；And in the circumferential winding layer, the glass fibers
Dimension or basalt fibre are used in the form of the zero twisted yarn by polyurethane infiltration processing.In the present invention, zero twisted yarn is preferred
For high strength glass fiber zero twisted yarn or the fibre untwisted yarn of high-strength basalt, the intensity of electric pole can be further improved in this way.
Polyurethane of the invention is preferably two component polyurethane, can be using those of known in the art.Preferably, bi-component polyurethane
Ester is the polyurethane resin of Huntsman Corporation's production；Component A: SK15001 polyol blends, B component: Suprasec 1502.
In the present invention, in the spiral wound, the thickness of the spiral wound can be 0.5~1mm, preferably
For 0.8~1mm.The winding angle of the spiral wound can be 1~3 °, preferably 2~3 °.In the circumferential winding layer,
The thickness of the circumferential winding layer can be 0.3~0.6mm, preferably 0.35~0.5mm.So-called circumferential winding refers to winding angle
Canoe when close to 90 °.
In the present invention, the strengthening course using fiber cloth or fabric can from the root 0.5 apart from the electric pole~
Start to be wound at 1.8m at 3~8m of root apart from the electric pole.Preferably, the strengthening course uses fiber cloth or fabric
Can from 1~1.5m of root apart from the electric pole be wound at 3~6m of root apart from the electric pole.The reinforcement
The thickness of layer can be 0.5~1mm, preferably 0.8~1mm.When winding fiber cloth or fabric, using the side of artificial leaching glue
Formula drenches polyurethane in fiber cloth or fabric.The polyurethane can be using used in spiral wound, circumferential winding layer
Those, which is not described herein again.
Electric pole according to the present invention, it is preferable that in the strengthening course, the fiber cloth or fabric are by glass fibers
Dimension zero twisted yarn or basalt fibre zero twisted yarn are formed, and the breadth of the fiber cloth or fabric is 250~400mm.Make
To be preferred, the breadth of the fiber cloth or fabric is 300~350mm.In the present invention, zero twisted yarn is preferably high-strength glass
The fibre untwisted yarn of glass or the fibre untwisted yarn of high-strength basalt, can be further improved the intensity of electric pole in this way.In the present invention,
The tensile break strength of high strength glass fiber zero twisted yarn or the fibre untwisted yarn of high-strength basalt is not less than 0.45N/tex.
Electric pole according to the present invention, it is preferable that in the strengthening course, the fiber cloth or fabric are in winding the
N+1 circle n-th circle between Chong Die 1/3~1/2, wherein n be natural number, i.e., 1,2,3,4,5,6,7,8 ....For example, the 2nd circle with
It is overlapped between 1st circle be overlapped 1/3 between the 1/3, the 3rd circle and the 2nd circle.
Electric pole according to the present invention, it is preferable that the strengthening course includes the first strengthening course and the second strengthening course；First reinforcement
Layer using fiber cloth or fabric from 0.5~1.8m of root apart from the electric pole be wound to root apart from the electric pole
At 3~5m of portion；Second strengthening course using fiber cloth or fabric from 0.5~1.8m of root apart from the electric pole wind
To 5~8m of root apart from the electric pole.Preferably, the first strengthening course is using fiber cloth or fabric from apart from the electricity
Start to be wound at 3~4m of root apart from the electric pole at 1~1.5m of root of bar；Second strengthening course using fiber cloth or
Fabric from 1~1.5m of root apart from the electric pole be wound at 5~6m of root apart from the electric pole.
Electric pole according to the present invention, it is preferable that the electric pole further includes outermost winding layer, is arranged described at least one
The outer surface of a winding group, and have the function of ageing-resistant and UV resistant；The outermost winding layer uses glass fibre or the Black Warrior
Rock fiber is wound to taper from the root circumferential direction of the electric pole, the outermost winding layer with a thickness of 0.3~0.6mm.As excellent
Choosing, the outermost winding layer with a thickness of 0.3~0.5mm.
Electric pole according to the present invention, it is preferable that in outermost winding layer, the glass fibre or basalt fibre with
The form of zero twisted yarn by the polyurethane infiltration processing with ageing-resistant and UV resistant uses.With ageing-resistant and resistance to ultraviolet
The polyurethane of line is preferably ageing-resistant and UV resistant two component polyurethane, can be using those of known in the art, here
It repeats no more.Preferably, being the polyurethane that Huntsman Corporation produces with ageing-resistant and UV resistant two component polyurethane
Resin；Component A: SK15002 fat group polyol blends, B component: Suprasec 3276.
The present invention also provides a kind of preparation methods of above-mentioned electric pole, include the following steps:
(1) spiral winding: in the outer surface of mold, being wound using glass fibre or basalt fibre, to obtain
Mold with spiral wound；
(2) strengthening course is wound: in the outer surface of the mold with spiral wound, being carried out using fiber cloth or fabric
Winding, to obtain the mold with strengthening course；
(3) it circumferential winding: in the outer surface of the mold with strengthening course, is twined using glass fibre or basalt fibre
Around to obtain the mold with circumferential winding layer；
(4) solidify: the mold with circumferential winding layer is solidified 2~5 hours at 80~95 DEG C, after demoulding and finishing
Obtain the electric pole.
A specific embodiment according to the present invention, the preparation method include the following steps:
(1) spiral winding: in the outer surface of mold, the glass fibre zero twisted yarn handled using process polyurethane infiltration or profound
The fibre untwisted yarn of Wu Yan is wound, to obtain the mold with spiral wound.Also that is, from the root spiral winding of mold to
Its taper, to obtain the mold with spiral wound.
(2) strengthening course is wound: in the outer surface of the mold with spiral wound, using by glass fibre zero twisted yarn or
The fiber cloth or fabric that basalt fibre zero twisted yarn is formed are wound, to obtain the mold with strengthening course.
(3) circumferential winding: in the outer surface of the mold with strengthening course, the glass fibre by polyurethane infiltration processing is used
Zero twisted yarn or basalt fibre zero twisted yarn are wound, to obtain the mold with circumferential winding layer.Also that is, being twined from root circumferential direction
Around to taper, to obtain the mold with circumferential winding layer.
(4) solidify: the mold with circumferential winding layer is solidified 2~5 hours at 80~95 DEG C, after demoulding and finishing
Obtain the electric pole.
The present invention also provides another preparation methods of above-mentioned electric pole, include the following steps:
(1) spiral winding: in mold outer surface, being wound using glass fibre or basalt fibre, to obtain band
The mold of spiral wound；
(2) strengthening course is wound: in the outer surface of the mold with spiral wound, being carried out using fiber cloth or fabric
Winding, to obtain the mold with strengthening course；
(3) it circumferential winding: in the outer surface of the mold with strengthening course, is twined using glass fibre or basalt fibre
Around to obtain the mold with circumferential winding layer；
(4) outermost layer is wound: in the mold outer surface with circumferential winding layer, using glass fibre or basalt fibre
It is wound, to obtain the mold with outermost winding layer；
(5) solidify: the mold of the outermost winding layer of the band is solidified 2~5 hours at 80~95 DEG C, after demoulding and finishing
Obtain the electric pole.
A specific embodiment according to the present invention, the preparation method include the following steps:
(1) in mold outer surface, the glass fibre zero twisted yarn or the Black Warrior by polyurethane infiltration processing spiral winding: are used
The fibre untwisted yarn of rock is wound, to obtain the mold with spiral wound.Also that is, from the root spiral winding of mold to its
Taper, to obtain the mold with spiral wound.
(2) strengthening course is wound: in the outer surface of the mold with spiral wound, using by glass fibre zero twisted yarn or
The fiber cloth or fabric that basalt fibre zero twisted yarn is formed are wound, to obtain the mold with strengthening course；
(3) circumferential winding: in the outer surface of the mold with strengthening course, the glass fibre by polyurethane infiltration processing is used
Zero twisted yarn or basalt fibre zero twisted yarn are wound, to obtain the mold with circumferential winding layer.And it is twined from root circumferential direction
Around to taper, to obtain the mold with circumferential winding layer.
(4) outermost layer is wound: in the mold outer surface with circumferential winding layer, using by having ageing-resistant and resistance to purple
The glass fibre zero twisted yarn or basalt fibre zero twisted yarn of the polyurethane infiltration processing of outside line are wound to taper from root, thus
To the mold with outermost winding layer.
(5) solidify: the mold of the outermost winding layer of the band is solidified 2~5 hours at 80~95 DEG C, after demoulding and finishing
Obtain the electric pole.
In the preparation process in accordance with the present invention, spiral winding, strengthening course winding, circumferential winding, outermost layer winding condition with
The description of the electric pole product section of front is identical, and which is not described herein again.
Preparation method according to the present invention, it is preferable that entire winding process carries out under the sealing condition of constant temperature and humidity, temperature
Degree control is at 20~25 DEG C, and humidity is within 40%.Implement winding process under the above conditions, polyurethane resin can be made solid
Change good, intensity and the toughness increase of electric pole.
In addition, preparation method of the invention can also include preparation process: opening the inside and outside layered material on glue-injection machine, installation is mixed
Adhesive dispenser and rubber hose, mold cleaning simultaneously make a call to twice of oil-based release agent.Interior layered material is twined for spiral wound, strengthening course and circumferential direction
Winding layer is common two component polyurethane.Outer layer material is used for outermost layer winding layer, is that the ageing-resistant bi-component of antiultraviolet is poly-
Urethane resin.It can play the role of the entire electric pole of protection in this way, so that intensity plays more preferably.
Electric pole of the invention, can be by least 2,000,000 times testing fatigues by optimization design.The present invention by adjusting
Lay up design controls the thickness of spiral winding, spiral winding infall defect is reduced, and wind using low-angle, thus real
The purpose for obtaining high-strength electric pole is showed.In addition, root strengthening course of the invention further increases the intensity of electric pole.The present invention
It can be further improved the toughness of electric pole using polyurethane.
Specific embodiment
The present invention is further illustrated combined with specific embodiments below, but protection scope of the present invention is not limited to
This.
<raw material explanation>
Common two component polyurethane: Huntsman Corporation's production, component A: SK15001 polyol blends, B component:
Suprasec 1502。
With ageing-resistant and UV resistant two component polyurethane: Huntsman Corporation's production, component A: SK15002 fat group
Polyol blends, B component: Suprasec 3276.
High strength glass fiber zero twisted yarn: the production of OWENS CORNING company, PB-192-2400.
<endurance test>
Under outdoor environmental conditions, the electric pole of 12m is fixed at the 2m of root, motor band movable eccentric wheel swing back and forth from
And electric pole is driven to swing, the amplitude of fluctuation towards side on electric pole top is 300mm, according to electric machine frequency and available machine time
Calculate electric pole number of oscillations.
Embodiment 1
The root diameter of composite material electric pole of the invention is greater than tip diameter.The electric pole includes a winding group, and the winding group is by interior
Three kinds of outside layings are respectively as follows: spiral wound, strengthening course and circumferential winding layer.
In spiral wound, the high strength glass fiber zero twisted yarn of common two component polyurethane processing is passed through using surface
It is wound to taper from root, controls spiral wound with a thickness of 1mm, winding angle is 3 °.
It in strengthening course, is wound using the fabric that high strength glass fiber zero twisted yarn is formed, first layer is from apart from root
To apart from root 3m at portion 1.5m, the second layer is from from the 1.5m of root at the 5m of root, and the overall thickness of strengthening course is
1mm.It drenches glue and uses common two component polyurethane.
In circumferential winding layer, the high strength glass fiber zero twisted yarn of common two component polyurethane processing is passed through using surface
From root wind taper, control circumferential winding layer with a thickness of 0.5mm, be wound to taper from root.
Electric pole of the invention further includes outermost winding layer, is arranged in the outer surface of the winding group, and have it is ageing-resistant and
UV resistant function；In outermost winding layer, passed through using surface with ageing-resistant and UV resistant two component polyurethane
High strength glass fiber zero twisted yarn is wound to taper from root circumferential direction, control outermost winding layer with a thickness of 0.5mm.
The preparation method of above-mentioned composite material electric pole is described below comprising the steps of:
Step 1: preparation: starting glue-injection machine feeding installs glue blending device and rubber hose, mold cleaning is simultaneously made a call to twice
Oil-based release agent.
Step 2: spiral winding: non-twist using the high strength glass fiber after glue groove impregnation (common two component polyurethane)
From root to the taper, angularly spiral winding, winding angle are 3 ° to yarn.
Step 3: strengthening course is wound: the winding of strengthening course since apart from the 1.5m of root to being first layer at 3m, from away from
From at the 1.5m of root to being the second layer at 5m；Selecting breadth is the fabric that 400mm high strength glass fiber zero twisted yarn is formed, winding
When be overlapped 1/3；By the way of manually leaching glue, common two component polyurethane is used.
Step 4: circumferential winding: non-twist using the high strength glass fiber after glue groove impregnation (common two component polyurethane)
Yarn is wound to taper from root.
Step 5: opening ageing-resistant and UV resistant two component polyurethane equipment, and carry out outermost layer winding.
Step 6: solidifying 2 hours at 90 DEG C in curing oven, demould and modify after coming out of the stove, obtains composite material electric pole A1.
Entire winding process is wound under the sealing condition of constant temperature and humidity, and temperature is controlled at 25 DEG C, and humidity is within 40%.
Gained electric pole is subjected to endurance test, can be tested by least 2,000,000 times endurances.
Embodiment 2
In addition to high strength glass fiber zero twisted yarn is replaced with the fibre untwisted yarn of high-strength basalt, by high strength glass fibre
The fabric that dimension zero twisted yarn is formed replaces with the fabric that the fibre untwisted yarn of high-strength basalt is formed, remaining condition and step and implementation
Example 1 is identical, obtains the electric pole A2 of embodiment 2.Gained electric pole is subjected to endurance test, it can be resistance to by least 2,000,000 times
Fatigue test.
Embodiment 3
Other than omitting outermost winding layer and step 5, remaining condition and step are same as Example 1, are implemented
The electric pole A3 of example 3.Gained electric pole is subjected to endurance test, can be tested by least 2,000,000 times endurances.
Present invention is not limited to the embodiments described above, without departing from the essence of the present invention, this field skill
Any deformation, improvement, the replacement that art personnel are contemplated that each fall within the scope of the present invention.
Claims (5)
1. a kind of preparation method of composite material electric pole, which is characterized in that the electric pole includes at least one winding group, this is extremely
A few winding group successively includes spiral wound, strengthening course and circumferential winding layer from inside to outside；
The preparation method includes the following steps:
(1) it spiral winding: in the outer surface of mold, is twined using glass fibre or basalt fibre from the root spiral of the electric pole
Around to taper, to obtain the mold with spiral wound；Wherein, the spiral wound with a thickness of 0.8~1mm, twine
It is 1~3 ° around angle；
(2) strengthening course is wound: in the outer surface of the mold with spiral wound, using fiber cloth or fabric from apart from institute
It states and starts to be wound at 3~8m of root apart from the electric pole at 0.5~1.8m of root of electric pole, to obtain with strengthening course
Mold；Wherein, the strengthening course with a thickness of 0.5~1mm；Wherein, in the strengthening course, the fiber cloth or fabric
Fibreglass zero twisted yarn or basalt fibre zero twisted yarn are formed, and the breadth of the fiber cloth or fabric is 250
~400mm；Wherein, the fiber cloth or fabric be in winding Chong Die 1/3~1/2 between the (n+1)th circle and the n-th circle, wherein n
For natural number；Wherein, the strengthening course includes the first strengthening course and the second strengthening course；First strengthening course is using fiber cloth or knits
Object from 1~1.5m of root apart from the electric pole be wound at 3~4m of root apart from the electric pole；Second strengthening course
Using fiber cloth or fabric from 1~1.5m of root apart from the electric pole be wound to root 5 apart from the electric pole
At~6m；
(3) circumferential winding: in the outer surface of the mold with strengthening course, using glass fibre or basalt fibre from the electric pole
Root circumferential direction is wound to taper, to obtain the mold with circumferential winding layer；Wherein, the circumferential winding layer with a thickness of 0.35
~0.5mm；
(4) solidify: the mold with circumferential winding layer is solidified 2~5 hours at 80~95 DEG C, obtained after demoulding and finishing
The electric pole.
2. preparation method according to claim 1, which is characterized in that sealing condition of the entire winding process in constant temperature and humidity
Lower progress, temperature are controlled at 20~25 DEG C, and humidity is within 40%.
3. a kind of preparation method of composite material electric pole, which is characterized in that the electric pole includes at least one winding group, this is extremely
A few winding group successively includes spiral wound, strengthening course and circumferential winding layer from inside to outside；The electric pole further includes most
Outer wrap, is arranged in the outer surface of at least one winding group, and has the function of ageing-resistant and UV resistant；
The preparation method includes the following steps:
(1) it spiral winding: in the outer surface of mold, is twined using glass fibre or basalt fibre from the root spiral of the electric pole
Around to taper, to obtain the mold with spiral wound；Wherein, the spiral wound with a thickness of 0.8~1mm, twine
It is 1~3 ° around angle；
(2) strengthening course is wound: in the outer surface of the mold with spiral wound, using fiber cloth or fabric from apart from institute
It states and starts to be wound at 3~8m of root apart from the electric pole at 0.5~1.8m of root of electric pole, to obtain with strengthening course
Mold；Wherein, the strengthening course with a thickness of 0.5~1mm；Wherein, in the strengthening course, the fiber cloth or fabric
Fibreglass zero twisted yarn or basalt fibre zero twisted yarn are formed, and the breadth of the fiber cloth or fabric is 250
~400mm；Wherein, the fiber cloth or fabric be in winding Chong Die 1/3~1/2 between the (n+1)th circle and the n-th circle, wherein n
For natural number；Wherein, the strengthening course includes the first strengthening course and the second strengthening course；First strengthening course is using fiber cloth or knits
Object from 1~1.5m of root apart from the electric pole be wound at 3~4m of root apart from the electric pole；Second strengthening course
Using fiber cloth or fabric from 1~1.5m of root apart from the electric pole be wound to root 5 apart from the electric pole
At~6m；
(3) circumferential winding: in the outer surface of the mold with strengthening course, using glass fibre or basalt fibre from the electric pole
Root circumferential direction is wound to taper, to obtain the mold with circumferential winding layer；Wherein, the circumferential winding layer with a thickness of 0.35
~0.5mm；
(4) outermost layer is wound: in the mold outer surface with circumferential winding layer, using glass fibre or basalt fibre from institute
The root circumferential direction for stating electric pole is wound to taper, to obtain the mold with outermost winding layer；Wherein, the thickness of the outermost winding layer
Degree is 0.3~0.6mm；
(5) solidify: the mold of the outermost winding layer of the band is solidified 2~5 hours at 80~95 DEG C, obtained after demoulding and finishing
The electric pole.
4. preparation method according to claim 3, which is characterized in that in outermost winding layer, the glass fibre or
Basalt fibre uses in the form of by having the zero twisted yarn of the polyurethane of ageing-resistant and UV resistant infiltration processing.
5. preparation method according to claim 3, which is characterized in that sealing condition of the entire winding process in constant temperature and humidity
Lower progress, temperature are controlled at 20~25 DEG C, and humidity is within 40%.
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| CN201610770297.9A CN106285159B (en) | 2016-08-30 | 2016-08-30 | Composite material electric pole and preparation method thereof |
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| CN201610770297.9A CN106285159B (en) | 2016-08-30 | 2016-08-30 | Composite material electric pole and preparation method thereof |
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| CN108301677B (en) * | 2017-12-15 | 2019-12-24 | 无锡市同腾复合材料有限公司 | Composite material conical equal-thickness electric pole and production method thereof |
| CN113073893A (en) * | 2020-03-19 | 2021-07-06 | 国网浙江省电力有限公司宁波供电公司 | Carbon fiber composite emergency repair electric pole and preparation method thereof |
| CN112721231A (en) * | 2020-12-10 | 2021-04-30 | 徐州海伦哲特种车辆有限公司 | Preparation method of high-rigidity insulating arm layer structure |
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| US4172175A (en) * | 1978-02-17 | 1979-10-23 | Tillotson-Pearson, Inc. | Pole construction |
| FI873285A (en) * | 1987-07-28 | 1989-01-29 | Nettec Ab Oy | FIBERARMERAT ROERELEMENT OCH FOERFARANDE FOER DESS TILLVERKNING. |
| US5586838A (en) * | 1995-05-30 | 1996-12-24 | Walsh; Thomas M. | Sealed marine post |
| CN100453594C (en) * | 2006-04-13 | 2009-01-21 | 远东复合技术有限公司 | Wire pole of new type composite material and its making process |
| CN102002211A (en) * | 2009-09-02 | 2011-04-06 | 南通市神马电力科技有限公司 | Vinyl ester resin insulation power tower and manufacturing method thereof |
| CN101718151A (en) * | 2009-11-06 | 2010-06-02 | 常熟风范电力设备股份有限公司 | Composite material tower and manufacturing process thereof |
| CN102618017A (en) * | 2012-03-19 | 2012-08-01 | 天津邦尼鑫龙玻璃钢设备有限公司 | Composite pole formed by winding fiber and manufacturing method thereof |
| CN103061565B (en) * | 2013-01-25 | 2014-10-29 | 哈尔滨工业大学 | Method for manufacturing tapered tube made of glass fiber and carbon fiber hybrid composite materials |
| CN105696836A (en) * | 2016-01-26 | 2016-06-22 | 云浮市欣粤电力器材有限公司 | Super-strength composite material electric pole |
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