CN104265049B - The preparation method of glass fiber winding composite material taper electric pole - Google Patents
The preparation method of glass fiber winding composite material taper electric pole Download PDFInfo
- Publication number
- CN104265049B CN104265049B CN201410558960.XA CN201410558960A CN104265049B CN 104265049 B CN104265049 B CN 104265049B CN 201410558960 A CN201410558960 A CN 201410558960A CN 104265049 B CN104265049 B CN 104265049B
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- Prior art keywords
- alkali
- glass fibre
- free glass
- thickness layer
- composite material
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Classifications
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/06—Rods, e.g. connecting rods, rails, stakes
Abstract
The invention discloses a kind of glass fiber winding composite material taper electric pole, including root and ending, the external diameter of described root is more than the external diameter of described ending, and the wall thickness of described root is more than the wall thickness of described ending；Also include the equal thickness layer being positioned at inner side and be positioned at the gradient thickness layer in outside, described equal thickness layer is that the one in the direct yarn of alkali-free glass fibre, alkali-free glass fibre axial fabrics and alkali-free glass fibre multidirectional fabric is entwined, described gradient thickness layer is alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric is entwined, and the laying length of the alkali-free glass fibre axial fabrics of described gradient thickness layer or alkali-free glass fibre multidirectional fabric is successively shunk to described root by described ending.The utilization rate of glass fibre mechanical property and the production efficiency of composite material pole tower can be improved, reduce the manufacturing cost of composite material transmission tower.The invention also discloses the preparation method of above-mentioned glass fiber winding composite material taper electric pole.
Description
Technical field
The present invention relates to a kind of glass fiber winding composite material taper electric pole and preparation method thereof, belong to electric power network composite material transmission tower manufacturing technology field.
Background technology
At present the production technology of fiberglass tapered electric pole mainly has hand pasting forming, pultrusion and Wrapping formed.Hand pasting forming to use the fabric that price is higher in a large number, causes thickness to increase owing to being hardly formed unified tension force, and waste of material is serious；And the electric pole outward appearance of hand pasting forming production is coarse, quality stability is poor, constantly increases hard to carry on along with cost of labor.Pultrusion is applicable to produce equal-diameter pole, but due to cannot the enough hoop fiber of lay, it is difficult to solve hoop stress and the problem of buckle in compression, therefore its article construction less stable.The tapered electric pole producing tapered (such as 1 75) with common composite material conduit wrapping machine cannot solve again the problem that wall thickness is identical, and actually it is desirable that root wall thickness is more than top end wall thickness；Using continuous variable angle wound tapered electric pole, even if it is identical substantially to realize wall thickness, but fiber placement angle is undesirable, and the uniformity of fiber placement is the most poor, and production efficiency is the lowest.
Summary of the invention
The deficiency that the present invention exists for prior art just, a kind of glass fiber winding composite material taper electric pole is provided, the utilization rate of glass fibre mechanical property and the production efficiency of composite material pole tower can be improved, reduce the manufacturing cost of composite material transmission tower, meet actual operation requirements.
For solving the problems referred to above, the technical solution used in the present invention is as follows:
A kind of glass fiber winding composite material taper electric pole, including: root and ending, the external diameter of described root is more than the external diameter of described ending, and the wall thickness of described root is more than the wall thickness of described ending；Also include the equal thickness layer being positioned at inner side and be positioned at the gradient thickness layer in outside, described equal thickness layer is that the one in the direct yarn of alkali-free glass fibre, alkali-free glass fibre axial fabrics and alkali-free glass fibre multidirectional fabric is entwined, described gradient thickness layer is alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric is entwined, and the laying length of the alkali-free glass fibre axial fabrics of described gradient thickness layer or alkali-free glass fibre multidirectional fabric is successively shunk to described root by described ending.
Overlap half when being wound around as the improvement of technique scheme, the alkali-free glass fibre axial fabrics of described gradient thickness layer or alkali-free glass fibre multidirectional fabric.
As the improvement of technique scheme, the length that the alkali-free glass fibre axial fabrics of described gradient thickness layer or alkali-free glass fibre multidirectional fabric are successively shunk to described root by described ending is equal with the width of alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric.
It it is 200 millimeters as the improvement of technique scheme, the alkali-free glass fibre axial fabrics of described gradient thickness layer or the width of alkali-free glass fibre multidirectional fabric.
As the improvement of technique scheme, described equal thickness layer and described gradient thickness layer all with monocomponent polyurethane resin for solidification substrate.
Further object is that the preparation method that above-mentioned glass fiber winding composite material taper electric pole is provided, comprise the following steps:
Step one, equipment and mold select: buying yarn sheet width is the four-dimensional wrapping machine of 200 millimeters, the wall thickness of the diameter twice less than the external diameter of electric pole corresponding site of metal die, and surface mirror mirror polish processes；
Step 2, equal thickness layer are wound around: select the one in the direct yarn of alkali-free glass fibre, alkali-free glass fibre axial fabrics and alkali-free glass fibre multidirectional fabric, start cross winding from described root；
Step 3, gradient thickness layer are wound around: select alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric to be wound, and the angle being wound around lay is 80 °～90 °, overlap half when alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric are wound around, laying length is successively shunk 200 millimeters or more by described ending to described root；
Step 4, solidification and post processing: solidify in the curing oven of 60 degree Celsius, then cutting, chamfering and surfacing, spray weathering layer.
As the improvement of technique scheme, metal die described in described step one to deoil before using, it is ensured that clean；And heat described metal die, repeatedly it is coated with three demoulding waxes, uses soft cloth wiping, in order to wax enters die surface.
As in the improvement of technique scheme, described step 2 and described step 3, with monocomponent polyurethane resin for solidification substrate, and the viscosity of monocomponent polyurethane resin is maintained at 390～410 centipoises.
Compared with prior art, the implementation result of the present invention is as follows for the present invention:
Glass fiber winding composite material taper electric pole of the present invention, the utilization rate of glass fibre mechanical property and the production efficiency of composite material pole tower can be improved, reduce the manufacturing cost of composite material pole tower, meet actual operation requirements, be conducive to accelerating the commercialization of composite material transmission tower.
The preparation method of glass fiber winding composite material taper electric pole of the present invention: use the four-dimensional winding unit that yarn sheet width is 200 millimeters of precision manufactureing, with the direct yarn of alkali-free glass fibre, alkali-free glass fibre, axially or multidirectional fabric and monocomponent polyurethane resin are main material, on selected cone-shaped metal mould, laying scheme is designed by stressing conditions, start to taper echelon lay to intersect and hoop fiber from root, ensure that root wall thickness, more than top end, reaches the purpose of economic manufacture.If axial bending modulus can meet use requirement less than 18 GPa, the direct yarn of alkali-free glass fibre is used to be wound around；Otherwise should start gradually gradually to extend lay alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric to taper from root；Due to whole or most employing tension force preferably directly yarn and the wide yarn sheet mode of production, improve utilization rate and the production efficiency of fibrous mechanical property, reduce cost, the commercialization to accelerating composite material electric pole is significant.
Accompanying drawing explanation
Fig. 1 is glass fiber winding composite material taper electric pole cross-sectional view of the present invention；
The structural representation of overlap half when Fig. 2 is alkali-free glass fibre axial fabrics or the winding of alkali-free glass fibre multidirectional fabric of gradient thickness layer of the present invention.
Detailed description of the invention
Present disclosure is described below in conjunction with specific embodiments.
Specific embodiment one
As depicted in figs. 1 and 2, for the glass fiber winding composite material taper electric pole structural representation described in the present embodiment.Glass fiber winding composite material taper electric pole described in the present embodiment, including: root 1 and ending 2, the external diameter of described root 1 is more than the external diameter of described ending 2, and the wall thickness of described root 1 is more than the wall thickness of described ending 2；Also include the equal thickness layer 4 being positioned at inner side and be positioned at the gradient thickness layer 3 in outside, described equal thickness layer 4 is entwined for the direct yarn of alkali-free glass fibre, described gradient thickness layer 3 is entwined for alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric, and the laying length of the alkali-free glass fibre axial fabrics of described gradient thickness layer 3 or alkali-free glass fibre multidirectional fabric is successively shunk to described root 1 by described ending 2.
Preferably, overlap half when the alkali-free glass fibre axial fabrics of described gradient thickness layer 3 or alkali-free glass fibre multidirectional fabric are wound around.Alkali-free glass fibre axial fabrics or 2 times of width d of alkali-free glass fibre multidirectional fabric unmasked portion when i.e. the width D of the alkali-free glass fibre axial fabrics shown in Fig. 2 or alkali-free glass fibre multidirectional fabric is to be wound around.The length that the alkali-free glass fibre axial fabrics of described gradient thickness layer 3 or alkali-free glass fibre multidirectional fabric are successively shunk to described root 1 by described ending 2 is equal with the width of alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric.The alkali-free glass fibre axial fabrics of described gradient thickness layer 3 or the width of alkali-free glass fibre multidirectional fabric are 200 millimeters.Described equal thickness layer 4 and described gradient thickness layer 3 are all with monocomponent polyurethane resin for solidification substrate.
The preparation method of the glass fiber winding composite material taper electric pole described in the present embodiment comprises the following steps:
Step 1, buying yarn sheet width are the four-dimensional wrapping machine of 200 millimeters, and the sufficiently large servomotor of employing power as much as possible is to ensure the degree of accuracy of execution system.
Step 2, the wall thickness of diameter twice less than the external diameter of electric pole corresponding site of metal die, surface mirror mirror polish processes.Mould to deoil before using, it is ensured that clean.Heating mould, is repeatedly coated with demoulding wax 3 times, uses soft cloth wiping, make wax entrance as much as possible die surface.
Step 3, according to Lay up design, start cross winding from root and be wound around equal thickness layer, resin viscosity is maintained at about 400 centipoises, controls fiber band glue amount to minimum, not frictioning.
Step 4, gradient thickness layer, lay axially or multidirectional fabric is based on 90 degree, overlapping half, in order to mechanical lay.Laying length gradually shrinks 200 millimeters or more to root, is as the criterion designing requirement.
Step 5, solidification in the curing oven of 60 degree Celsius.
Step 6, cutting, chamfering and surfacing, spray weathering layer, as ready of packing.
Specific embodiment one
As depicted in figs. 1 and 2, for the glass fiber winding composite material taper electric pole structural representation described in the present embodiment.Glass fiber winding composite material taper electric pole described in the present embodiment, including: root 1 and ending 2, the external diameter of described root 1 is more than the external diameter of described ending 2, and the wall thickness of described root 1 is more than the wall thickness of described ending 2；Also include the equal thickness layer 4 being positioned at inner side and be positioned at the gradient thickness layer 3 in outside, described equal thickness layer 4 is that the one in alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric is entwined, described gradient thickness layer 3 is entwined for alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric, and the laying length of the alkali-free glass fibre axial fabrics of described gradient thickness layer 3 or alkali-free glass fibre multidirectional fabric is successively shunk to described root 1 by described ending 2.
Preferably, overlap half when the alkali-free glass fibre axial fabrics of described gradient thickness layer 3 or alkali-free glass fibre multidirectional fabric are wound around.Alkali-free glass fibre axial fabrics or 2 times of width d of alkali-free glass fibre multidirectional fabric unmasked portion when i.e. the width D of the alkali-free glass fibre axial fabrics shown in Fig. 2 or alkali-free glass fibre multidirectional fabric is to be wound around.The length that the alkali-free glass fibre axial fabrics of described gradient thickness layer 3 or alkali-free glass fibre multidirectional fabric are successively shunk to described root 1 by described ending 2 is equal with the width of alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric.The alkali-free glass fibre axial fabrics of described gradient thickness layer 3 or the width of alkali-free glass fibre multidirectional fabric are 200 millimeters.Described equal thickness layer 4 and described gradient thickness layer 3 are all with monocomponent polyurethane resin for solidification substrate.
The preparation method of the glass fiber winding composite material taper electric pole described in the present embodiment is with specific embodiment one.
Above content is detailed description the most made for the present invention, it is impossible to assert that the present invention is embodied as being only limitted to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, all should be considered as belonging to the scope of protection of the invention.
Claims (3)
1. the preparation method of a glass fiber winding composite material taper electric pole, it is characterized in that, glass fiber winding composite material taper electric pole includes: root (1) and ending (2), the external diameter of described root (1) is more than the external diameter of described ending (2), and the wall thickness of described root (1) is more than the wall thickness of described ending (2)；Also include the equal thickness layer (4) being positioned at inner side and be positioned at the gradient thickness layer (3) in outside, described equal thickness layer (4) is that the one in the direct yarn of alkali-free glass fibre, alkali-free glass fibre axial fabrics and alkali-free glass fibre multidirectional fabric is entwined, described gradient thickness layer (3) is alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric is entwined, and the laying length of the alkali-free glass fibre axial fabrics of described gradient thickness layer (3) or alkali-free glass fibre multidirectional fabric is successively shunk to described root (1) by described ending (2)；Overlap half when the alkali-free glass fibre axial fabrics of described gradient thickness layer (3) or alkali-free glass fibre multidirectional fabric are wound around；The length that the alkali-free glass fibre axial fabrics of described gradient thickness layer (3) or alkali-free glass fibre multidirectional fabric are successively shunk to described root (1) by described ending (2) is equal with the width of alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric；The described alkali-free glass fibre axial fabrics of gradient thickness layer (3) or the width of alkali-free glass fibre multidirectional fabric are 200 millimeters；
And comprise the following steps:
Step one, equipment and mold select: buying yarn sheet width is the four-dimensional wrapping machine of 200 millimeters, the wall thickness of the diameter twice less than the external diameter of electric pole corresponding site of metal die, and surface mirror mirror polish processes；
Step 2, equal thickness layer are wound around: select the one in the direct yarn of alkali-free glass fibre, alkali-free glass fibre axial fabrics and alkali-free glass fibre multidirectional fabric, start cross winding from described root；
Step 3, gradient thickness layer are wound around: select alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric to be wound, and the angle being wound around lay is 80 °～90 °, overlap half when alkali-free glass fibre axial fabrics or alkali-free glass fibre multidirectional fabric are wound around, laying length is successively shunk 200 millimeters or more by described ending to described root；
Step 4, solidification and post processing: solidify in the curing oven of 60 degree Celsius, then cutting, chamfering and surfacing, spray weathering layer.
2. the preparation method of glass fiber winding composite material taper electric pole as claimed in claim 1, is characterized in that, metal die described in described step one to deoil before using, it is ensured that clean；And heat described metal die, repeatedly it is coated with three demoulding waxes, uses soft cloth wiping, in order to wax enters die surface.
3. the preparation method of glass fiber winding composite material taper electric pole as claimed in claim 1, it is characterized in that, in described step 2 and described step 3, with monocomponent polyurethane resin for solidification substrate, and the viscosity of monocomponent polyurethane resin is maintained at 390～410 centipoises.
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| CN201410558960.XA CN104265049B (en) | 2014-10-21 | 2014-10-21 | The preparation method of glass fiber winding composite material taper electric pole |
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| CN201410558960.XA CN104265049B (en) | 2014-10-21 | 2014-10-21 | The preparation method of glass fiber winding composite material taper electric pole |
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| CN104265049A CN104265049A (en) | 2015-01-07 |
| CN104265049B true CN104265049B (en) | 2016-08-24 |
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| 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 |
| CN111604974B (en) * | 2020-03-31 | 2021-12-31 | 蒋文君 | Sinking and floating material breaking method for insulating tower production line based on vertical heavy vertical tension method |
| CN113290886A (en) * | 2021-05-24 | 2021-08-24 | 宁波江丰复合材料科技有限公司 | Release film winding method of conical carbon fiber pipe |
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| NL7513876A (en) * | 1975-11-27 | 1977-06-01 | Kaal Van Der Linden B V | Axially reinforced posts of synthetic material - which are wound on a tapering core in successive layers |
| JPH0447084A (en) * | 1990-06-15 | 1992-02-17 | Nippon Steel Corp | Small electric pole and composite pole for street lamp |
| CN2534296Y (en) * | 2002-03-15 | 2003-02-05 | 济南大学 | Fiber reinforced plastic electric wire pole |
| CN200961373Y (en) * | 2006-09-04 | 2007-10-17 | 蒋大建 | Composite reinforced hollow electric pole |
| CN102003100A (en) * | 2009-09-02 | 2011-04-06 | 南通市神马电力科技有限公司 | Polyurethane resin insulating electric tower |
| CN102127986A (en) * | 2011-01-25 | 2011-07-20 | 深圳市吉凌复合材料科技股份有限公司 | Composite material transmission tower |
| CN103061565A (en) * | 2013-01-25 | 2013-04-24 | 哈尔滨工业大学 | Tapered tube made of glass fiber and carbon fiber hybrid composite materials and method for manufacturing tapered tube |
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2014
- 2014-10-21 CN CN201410558960.XA patent/CN104265049B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7513876A (en) * | 1975-11-27 | 1977-06-01 | Kaal Van Der Linden B V | Axially reinforced posts of synthetic material - which are wound on a tapering core in successive layers |
| JPH0447084A (en) * | 1990-06-15 | 1992-02-17 | Nippon Steel Corp | Small electric pole and composite pole for street lamp |
| CN2534296Y (en) * | 2002-03-15 | 2003-02-05 | 济南大学 | Fiber reinforced plastic electric wire pole |
| CN200961373Y (en) * | 2006-09-04 | 2007-10-17 | 蒋大建 | Composite reinforced hollow electric pole |
| CN102003100A (en) * | 2009-09-02 | 2011-04-06 | 南通市神马电力科技有限公司 | Polyurethane resin insulating electric tower |
| CN102127986A (en) * | 2011-01-25 | 2011-07-20 | 深圳市吉凌复合材料科技股份有限公司 | Composite material transmission tower |
| CN103061565A (en) * | 2013-01-25 | 2013-04-24 | 哈尔滨工业大学 | Tapered tube made of glass fiber and carbon fiber hybrid composite materials and method for manufacturing tapered tube |
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