CN103485570B - Reinforced composite material shaft tower and preparation method thereof in a kind of - Google Patents

Reinforced composite material shaft tower and preparation method thereof in a kind of Download PDF

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Publication number
CN103485570B
CN103485570B CN201310464953.9A CN201310464953A CN103485570B CN 103485570 B CN103485570 B CN 103485570B CN 201310464953 A CN201310464953 A CN 201310464953A CN 103485570 B CN103485570 B CN 103485570B
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China
Prior art keywords
shaft tower
reinforced structure
composite material
structure unit
interior
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Expired - Fee Related
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CN201310464953.9A
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Chinese (zh)
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CN103485570A (en
Inventor
严科飞
任伟华
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Inner Mongolia Spacefilght Yijiu Technology Development Co., Ltd.
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INNER MONGOLIA SPACEFILGHT YIJIU TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The present invention relates to reinforced composite material shaft tower in one, it is made up of interior reinforced structure unit 1 and enhancement layer 2, interior reinforced structure unit 1 and enhancement layer 2 are made by reinforcing fiber and matrix resin are compound, described multiple interior reinforced structure unit 1 combines the interior reinforced structure of reinforced composite material shaft tower in being formed, and described enhancement layer 2 is wrapped in the combination of multiple interior reinforced structure unit 1 and is formed outside the interior reinforced structure of interior reinforced composite material shaft tower.The present invention more hollow winding molding compound material shaft tower is compared, and has composite material pole tower intensity, rigidity higher, substantially increases shear resistance;Being not easy in preparation process to produce bubble, shaft tower inner pore is few, improves the intensity of shaft tower and anti-unstability ability, greatly reduces volatile substance pollution environment in addition;Equipment investment is few under the conditions of current small-scale application, and the product cost that relatively winding, molding method obtains is lower.

Description

Reinforced composite material shaft tower and preparation method thereof in a kind of
Technical field
The present invention relates to a kind of composite material pole tower, particularly relate to reinforced composite material shaft tower in a kind of insulation And preparation method thereof, can be as power circuit, communications service, railway electrification, track traffic and public affairs Industry of working together and the insulating support member of association area.
Background technology
Generally there is heaviness, perishable, corrosion or cracking, life-span short shortcoming in traditional shaft tower, and executes , easily there are various potential safety hazards in work and transport difficult, along with sending out of new material technology and preparation technology thereof Exhibition, composite is developed rapidly, composite material pole tower have light weight, corrosion-resistant, intensity is high, The advantages such as the life-span is longer, maintenance cost is low and can bear extreme weather conditions, in power circuit, communication Facility, railway electrification, the engineering such as track traffic and communal facility can well replace traditional wood Bar, steel reinforced concrete pole and iron.
Composite material pole tower cross sectional shape is mainly hollow-core construction at present, and its moulding process is predominantly wound in Type preparation technology, such as patent CN102127986A, CN2898202Y, CN101718151A, CN 102618017A etc..Wrapping formed preparation technology is under conditions of controlling fiber tension and predetermined line style, By continuous print fiber roving or strap impregnating resin glue, it is wrapped in corresponding to goods inner chamber size continuously Core or interior lining, be then allowed to solidify the side making definite shape goods under room temperature or heating condition Method.The major defect of this shaft tower is: 1) in winding process, easily produces bubble, causes shaft tower Inner pore is too much, thus reduces interlaminar shear strength and reduce compressive strength and anti-unstability ability;2) twining During around, fiber tension is good at controlling, and cotton yarn tape and overlap joint size strictly to control, and must arrange Uniformly, the primary stress that otherwise can cause fiber in shaft tower is uneven, and inside and outside degree of tightness, shaft tower intensity is subject to To impact, and part cotton yarn tape is overlapped with the sliding yarn in gap or a part, makes shaft tower fiber content not enough or causes Local weak region;3) using Wrapping formed preparation technology, equipment investment is relatively big, and occupation area of equipment is big, Technology requires height, could reduce cost when only producing in enormous quantities;4) in impregnation, gel and solidification process Volatile substance pollution environment can be discharged;5) reinforced structure in cavity cannot be prepared.
Summary of the invention
The technical problem to be solved in the present invention is to provide reinforced composite material shaft tower in one, hollow to solve The problem that structural composite material shaft tower intensity is low;Reinforced composite material shaft tower preparation method in simultaneously providing, To solve composite material pole tower preparation process easily produces bubble, reduce volatile substance pollution environment Problem.
For solving the technical problem existed, the technical solution used in the present invention is: reinforcement composite wood in a kind of Material shaft tower, is made up of interior reinforced structure unit 1 and enhancement layer 2, interior reinforced structure unit 1 and enhancement layer 2 Made by reinforcing fiber and matrix resin are compound, in described multiple interior reinforced structure unit 1 combination is formed The interior reinforced structure of reinforced composite material shaft tower, described enhancement layer 2 is wrapped in multiple interior reinforced structure list Unit 1 combination is formed outside the interior reinforced structure of interior reinforced composite material shaft tower.
The cross sectional shape of described interior reinforced composite material shaft tower can be hexagon, circle, triangle, Oval, square or other shape etc., the preferred hexagon of the present invention, circle, triangle.
The cross sectional shape of the interior reinforced structure unit 1 of described interior reinforced composite material shaft tower can be according to use Requiring to use trapezoidal, fan-shaped, circular, triangle, square or other shape etc., the present invention is the most trapezoidal Or it is fan-shaped.
Described interior reinforced structure unit 1 and the reinforcing fiber of enhancement layer 2 be glass fibre, carbon fiber, The one of aramid fiber, graphite fibre, superhigh molecular weight polyethylene fibers or basalt fibre yarn etc. or Mixed by two or more and form.
Shaft tower of the present invention is used as the transmission line of electricity such as cable when supporting, and for safety, described reinforcing fiber is It is well glass fibre or other non-conductive fibers.
The enhanced form of described reinforcing fiber is plain, twill, satin, unidirectional cloth, multiaxis To one or more of warp knitting cloth.
Described interior reinforced structure unit 1 and the matrix resin of enhancement layer 2 are epoxy resin, unsaturated polyester The thermosetting resins such as ester resin, vinylite, phenolic resin, polyurethane resin or thermoplastic resin A kind of.
The interior reinforced structure of described interior reinforced composite material bar is by 3 or 3 upper interior reinforced structure unit 1 Combination is constituted.
The preparation method of interior reinforced composite material shaft tower, its preparation process includes following step:
1) interior reinforced structure unit mould 3 pre-processes, reinforced structure unit mould 3 in cleaning, and repairs Smooth, then at interior reinforced structure unit mould 3 surface spraying hole sealing agent and releasing agent;
2) precast body of reinforced structure unit 1, interior reinforced structure unit mould after the pre-treatment in preparation On 3 fiber-reinforced wrapped, the precast body of reinforced structure unit 1 in being formed;
3) the combination precast body of reinforced structure unit 1 in being formed, by step 2) the interior reinforced structure prepared The precast body of unit 1 combines, the combination precast body of reinforced structure unit 1 in being formed;
4) outer surface enhancement layer 2 is prepared, in step 3) combination of interior reinforced structure unit 1 that formed is pre- External surface processed is wound around glass fabric and prepares enhancement layer 2, obtains the preform of shaft tower;
5) cutting and be coated with release cloth, is laid in step 4 by the release cloth cut) in the shaft tower that obtains Pre-form surface, and be allowed to be completely covered the preform of this shaft tower;
6) lay auxiliary material system, in step 5) described in release cloth surface lay water conservancy diversion felt, water conservancy diversion The Vacuum infusion molding process auxiliary materials such as pipe and wireway, and set the gum-injecting port in die cavity and vacuum Bleeding point;
7) vacuum bag film seals, and uses double-layer vacuum bag film by step 5) and 6) in the preformation of shaft tower Type body and auxiliary material system seal, and first seal the pre-of whole shaft tower on mould with ground floor vacuum bag Formed body and auxiliary material system, bleeding point is also connected with vavuum pump, then vacuumizes by airtight gum-injecting port And check the air-tightness sealing die cavity, after ground floor vacuum bag film packaging air tightness reaches requirement, with second The vacuum bag film of layer seals whole ground floor bag membranous system, and vacuumizes and continue checking for air-tightness, until gas Close property reaches requirement;
8) basic resin system mold filling dipping preform: open gum-injecting port and will stir and through de- The basic resin system that bubble processes utilizes in negative pressure of vacuum injection shaping mold cavity and impregnates the preforming of above-mentioned shaft tower Body, closes gum-injecting port after the preform of basic resin system thorough impregnation shaft tower, and persistently vacuumizes Keep the vacuum in shaping mold cavity;
9) curing molding and post processing, must keep the vacuum in shaping mold cavity until solid in solidification process Change completely, carry out the demoulding after solidify, repair and cleaning etc. post-processes.
The interior reinforced structure unit mould of interior reinforced composite material shaft tower, described mold sections feature and bar The section feature of the interior reinforced structure unit 1 of tower is identical, can use art matter mould, metal die, glass Hydraulically full or gas flexible core mold inside glass punching block or elastic packing bag.
The beneficial effects of the present invention is:
The present invention more hollow winding molding compound material shaft tower is compared, and has the advantage that 1) interior reinforcement knot Structure makes composite material pole tower intensity, rigidity higher, substantially increases shear resistance;2) present invention is for closing Mold forming method, is not easy in preparation process to produce bubble, and shaft tower inner pore is few, improves the strong of shaft tower Degree and anti-unstability ability, greatly reduce volatile substance pollution environment in addition;3) inventive die is prone to Manufacturing, equipment investment is few under the conditions of current small-scale application, and the product that relatively winding, molding method obtains becomes This is lower.
Accompanying drawing explanation
Fig. 1 is preparation method flow chart of the present invention;
Fig. 2 is composite hexagon shaft tower schematic diagram;
Fig. 3 is reinforced structure unit mould schematic diagram in composite hexagon shaft tower;
Fig. 4 is reinforced structure cell schematics in composite hexagon shaft tower;
Fig. 5 is reinforced structure unit combination schematic diagram in composite hexagon shaft tower;
Fig. 6 is composite circular pin tower structure schematic diagram;
Fig. 7 is reinforced structure cell schematics in composite circle shaft tower;
Fig. 8 is reinforced structure unit combination schematic diagram in composite circle shaft tower;
Fig. 9 is composite triangular pelvis tower structure schematic diagram;
Figure 10 is reinforced structure cell schematics in composite triangle shaft tower;
Figure 11 is reinforced structure unit combination schematic diagram in composite triangle shaft tower;
In figure, 1 is interior reinforced structure unit, and 2 is enhancement layer, and 3 is interior reinforced structure unit mould.
Detailed description of the invention
Illustrate the detailed description of the invention of this invention below in conjunction with the accompanying drawings.
Embodiment 1:
Preparation hexagon composite material pole tower as shown in Figure 2.Material: 1) reinforcing fiber, biaxially warp Compile glass fabric;2) matrix resin, epoxy resin.Interior reinforced structure unit mould 3 as it is shown on figure 3, The material of interior reinforced structure unit mould 3 is aluminium alloy.Its preparation method flow process is as it is shown in figure 1, include Following step:
1) interior reinforced structure unit mould 3 pre-processes: with alcohol by interior reinforced structure unit mould 3 surface Wiped clean, then at interior reinforced structure unit mould 3 surface spraying AXEL S-19C hole sealing agent and AXELX-807 releasing agent;
2) precast body of reinforced structure unit 1 in preparation: interior reinforced structure unit mould after the pre-treatment Being wound around biaxially warp knit glass fabric on 3, the precast body of reinforced structure unit 1 in being formed, such as Fig. 4 institute Show:
3) the combination precast body of reinforced structure unit 1 in being formed: by step 2) prepare as in Fig. 4 The precast body of reinforced structure unit 1 combines, the combination precast body of reinforced structure unit 1 in being formed, As shown in Figure 5;
4) outer surface enhancement layer 2 is prepared: in step 3) the interior reinforced structure unit 1 such as Fig. 5 that formed Combination precast body outer surface is wound around biaxially warp knit glass fabric and prepares enhancement layer 2, obtains the preformation of shaft tower Type body;
5) cutting and be coated with release cloth: the R85PA66 release cloth cut is laid in step 4) in The pre-form surface arrived, and it is allowed to be completely covered the preform of this shaft tower;
6) auxiliary material system is laid: lay water conservancy diversion felt, mozzle and air guide at above-mentioned release cloth upper surface The Vacuum infusion molding process auxiliary materials such as pipe, and set the gum-injecting port in die cavity and vacuum pumping opening;
7) vacuum bag film seals: (Aerorac company of France produces to use double-layer vacuum bag film Vacfilm400Y2600 type vacuum bag) seal the preform of above-mentioned shaft tower and assist material system, first On mould, preform and the auxiliary material system of whole shaft tower is first sealed with ground floor vacuum bag, airtight Bleeding point is also connected by gum-injecting port with vavuum pump, then vacuumize and check seal die cavity air-tightness (when Vacuum closes vavuum pump, pressurize 15 minutes after reaching-0.090Mpa~-0.1Mpa, period vacuum permits Permitted drop-out value less than 50mbar), after ground floor vacuum bag film packaging air tightness reaches requirement, with the second layer Vacuum bag film seals whole ground floor bag membranous system, and vacuumizes and continue checking for air-tightness, until air-tightness Reach requirement (requirement can persistently keep vacuum);
8) basic resin system mold filling dipping preform: open gum-injecting port and will stir and through de- The basic resin system that bubble processes utilizes in negative pressure of vacuum injection shaping mold cavity and impregnates above-mentioned preform, treats Close gum-injecting port after basic resin system thorough impregnation preform, and persistently vacuumize holding shaping mold cavity Interior vacuum;
9) curing molding and post processing: the vacuum in shaping mold cavity must be kept in solidification process until solid Change completely, carry out the demoulding after solidify, repair and cleaning etc. post-processes.
Embodiment 2:
Preparation circular composite material pole tower as shown in Figure 6.Material: 1) reinforcing fiber, biaxially warp knit Glass fabric;2) matrix resin, vinylite.Interior reinforced structure unit 1 is as it is shown in fig. 7, interior The combination of reinforced structure unit 1 is as shown in Figure 8.Its preparation method is identical with embodiment 1.
Embodiment 3:
Preparation triangular-section composite material pole tower as shown in Figure 9.Material: 1) reinforcing fiber, twin shaft To warp knit glass fabric;2) matrix resin, polyurethane resin.Interior reinforced structure unit 1 such as Figure 10 Shown in, the combination of interior reinforced structure unit 1 is as shown in figure 11.Its preparation method is identical with embodiment 1.
Finally should be noted that above example only in order to technical scheme to be described and unrestricted, Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the art should, Technical scheme can be modified or equivalent, put on record without deviating from the technology of the present invention Spirit and scope.

Claims (10)

1. a reinforced composite material shaft tower in, is made up of interior reinforced structure unit (1) and enhancement layer (2), inside adds Muscle construction unit (1) and enhancement layer (2) are made by reinforcing fiber and matrix resin are compound, it is characterised in that: multiple Described interior reinforced structure unit (1) combination forms the interior reinforced structure of interior reinforced composite material shaft tower, described Enhancement layer (2) is wrapped in the interior reinforcement of reinforced composite material shaft tower in the combination of multiple interior reinforced structure unit (1) is formed Structural outer.
Interior reinforced composite material shaft tower the most according to claim 1, it is characterised in that: add in described The cross sectional shape of rib reinforced composite material shaft tower is hexagon, circle or triangle.
Interior reinforced composite material shaft tower the most according to claim 2, it is characterised in that: add in described The cross sectional shape of the interior reinforced structure unit (1) of rib reinforced composite material shaft tower is respectively trapezoidal or fan-shaped.
Interior reinforced composite material shaft tower the most according to claim 1, it is characterised in that: add in described The reinforcing fiber of muscle construction unit (1) and enhancement layer (2) is glass fibre, carbon fiber, aramid fiber, graphite fibre Dimension, superhigh molecular weight polyethylene fibers or the one of basalt fibre yarn or mixed by two or more Form.
Interior reinforced composite material shaft tower the most according to claim 4, it is characterised in that: described shaft tower When supporting as transmission line of electricity, for safety, described reinforcing fiber preferably glass fibre or other do not lead Electricity fiber.
6. according to the interior reinforced composite material shaft tower described in claim 4 or 5, it is characterised in that: described The enhanced form of reinforcing fiber be plain, twill, satin, unidirectional cloth, the one of multi-shaft warp knitting cloth Plant or multiple.
Interior reinforced composite material shaft tower the most according to claim 1, it is characterised in that: add in described The matrix resin of muscle construction unit (1) and enhancement layer (2) is epoxy resin, unsaturated polyester resin, vinyl tree Fat, phenolic resin, the one of polyurethane resin.
Interior reinforced composite material shaft tower the most according to claim 1, it is characterised in that: add in described The interior reinforced structure of rib reinforced composite material bar is made up of 3 or more than 3 interior reinforced structure unit (1) combinations.
The preparation method of interior reinforced composite material shaft tower, its preparation process includes following step:
1) interior reinforced structure unit mould (3) pretreatment, reinforced structure unit mould (3) in cleaning, and repair flat Whole, then at interior reinforced structure unit mould (3) surface spraying hole sealing agent and releasing agent;
2) precast body of reinforced structure unit (1), interior reinforced structure unit mould (3) after the pre-treatment in preparation Upper fiber-reinforced wrapped, the precast body of reinforced structure unit (1) in being formed;
3) the combination precast body of reinforced structure unit (1) in being formed, by step 2) the interior reinforced structure list prepared The precast body of unit 1 combines, the combination precast body of reinforced structure unit (1) in being formed;
4) outer surface enhancement layer (2) is prepared, in step 3) combination of interior reinforced structure unit (1) that formed is prefabricated External surface is wound around glass fabric and prepares enhancement layer (2), obtains the preform of shaft tower;
5) cutting and be coated with release cloth, be laid in step 4 by the release cloth cut) in the shaft tower that obtains Pre-form surface, and it is allowed to be completely covered the preform of this shaft tower;
6) lay auxiliary material system, in step 5) described in release cloth surface lay water conservancy diversion felt, mozzle And wireway, and set the gum-injecting port in die cavity and vacuum pumping opening;
7) vacuum bag film seals, and uses double-layer vacuum bag film by step 5) and 6) in shaft tower preforming Body and auxiliary material system seal, and first seal the preforming of whole shaft tower on mould with ground floor vacuum bag Body and auxiliary material system, bleeding point is also connected with vavuum pump, then vacuumizes and check by airtight gum-injecting port Seal the air-tightness of die cavity, after ground floor vacuum bag film packaging air tightness reaches requirement, by the vacuum of the second layer Bag film seals whole ground floor bag membranous system, and vacuumizes and continue checking for air-tightness, until air-tightness reaches to want Ask;
8) basic resin system mold filling dipping preform: open gum-injecting port and will stir and through deaeration The basic resin system processed utilizes negative pressure of vacuum to inject the preform impregnating above-mentioned shaft tower in shaping mold cavity, After the preform of basic resin system thorough impregnation shaft tower, close gum-injecting port, and persistently vacuumize and be kept into Vacuum in pattern chamber;
9) curing molding and post processing, must keep the vacuum in shaping mold cavity until solidifying in solidification process Completely, carry out the demoulding after having solidified, repair and clear up.
10. the interior reinforced structure unit mould of reinforced composite material shaft tower in, it is characterised in that: described mould Tool section feature is identical with the section feature of the interior reinforced structure unit (1) of shaft tower, uses wood mold coupled, metal Hydraulically full or gas flexible core mold inside mould, glass punching block or elastic packing bag.
CN201310464953.9A 2013-09-24 2013-09-24 Reinforced composite material shaft tower and preparation method thereof in a kind of Expired - Fee Related CN103485570B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105952237A (en) * 2016-07-02 2016-09-21 山东华业风能设备有限公司 Composite material cable pylon and preparation method thereof
CN106863835B (en) * 2017-01-11 2019-05-28 北京汽车集团有限公司 The forming method of hollow vehicle component and hollow vehicle component and automobile
CN111674058B (en) * 2020-06-01 2021-06-29 南京航空航天大学 Preparation device and method of carbon fiber three-dimensional woven honeycomb composite material

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704187A (en) * 1994-02-09 1998-01-06 Shakespeare Company Composite utility pole
CN201043360Y (en) * 2007-05-31 2008-04-02 西安航天复合材料研究所 Composite-material telegraph pole
CN201531137U (en) * 2009-06-29 2010-07-21 南京工业大学 Pultrusion assembly type composite material telegraph pole
CN101845913A (en) * 2010-05-31 2010-09-29 北京玻钢院复合材料有限公司 Composite material electric pole and preparation method thereof
CN101929262A (en) * 2010-09-14 2010-12-29 国网电力科学研究院武汉南瑞有限责任公司 Power line pole tower made of composite material
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704187A (en) * 1994-02-09 1998-01-06 Shakespeare Company Composite utility pole
CN201043360Y (en) * 2007-05-31 2008-04-02 西安航天复合材料研究所 Composite-material telegraph pole
CN201531137U (en) * 2009-06-29 2010-07-21 南京工业大学 Pultrusion assembly type composite material telegraph pole
CN101845913A (en) * 2010-05-31 2010-09-29 北京玻钢院复合材料有限公司 Composite material electric pole and preparation method thereof
CN101929262A (en) * 2010-09-14 2010-12-29 国网电力科学研究院武汉南瑞有限责任公司 Power line pole tower made of composite material
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

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