CN205116861U - Combined material transmission tower is woven to three -dimensional - Google Patents
Combined material transmission tower is woven to three -dimensional Download PDFInfo
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- CN205116861U CN205116861U CN201520940269.8U CN201520940269U CN205116861U CN 205116861 U CN205116861 U CN 205116861U CN 201520940269 U CN201520940269 U CN 201520940269U CN 205116861 U CN205116861 U CN 205116861U
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Abstract
The utility model relates to a combined material transmission tower is woven to three -dimensional, utilize multiple fibre to mix the three -dimensional knitting of shaping, realize flange joint spare and the compound seamless integrated into one piece's of material structure of tower pole three -dimensional and weave shaft tower preparation method, shaft tower tower head, the structure preparation is woven to the assorted fibre that the different kinds of members at position such as body of the tower and tower leg all adopted the three -dimensional fabric of core glass fiber to carry out the transition to the three -dimensional fabric of outer carbon fiber, wherein the glass fiber fabric center of core adopts carbon fiber zero degree yarn to do the skeleton. Simultaneously, the three -dimensional is woven and is connected through the flange structure of weaving at tower rod end head integration assorted fibre (carbon fiber and glass fibre mix) (embedded metal flange skeleton) between the member of combined material shaft tower, and boots board adoption that tower leg and ground basis are connected full the carbon fiber three -dimensional and is woven the structure. It uses to utilize this method can prepare out the assembly of taking the combined material transmission tower is woven to three -dimensional part of answering material flange joint structure to be applicable to multiple type transmission tower.
Description
Technical field
The utility model relates to a kind of D braided composites transmission tower, belongs to composite material transmission tower preparing technical field.
Background technology
Shaft tower is the important of the infrastructure such as electric power conveying, communication, high-speed railway and municipal administration and the braced structures facility of special type, and the structural performance of shaft tower directly has influence on the safety of variety classes circuit, economy and reliability.Develop from the material of shaft tower, the shaft tower applied in overhead transmission line both at home and abroad mainly contains wooden shaft tower, concrete shaft tower or prestressed concrete shaft tower, concrete filled steel tube shaft tower, all-metal material shaft tower (steel pipe tower or steel tower etc.) a few class.
Wherein wooden shaft tower is mainly used in the area of the forest reserves such as Canada and the U.S. compared with horn of plenty, and concrete or prestressed concrete shaft tower are mainly used in the comparatively poor area of the forest reserves such as South America, Europe, Africa, Asia or developing country.With regard to China, substantially wooden stick's tower is not re-used, once used in a large number on 35-110V circuit before concrete shaft tower, also arrived certain application at 330KV and with line transport and the good Plain of execution conditions and hilly ground, it is more that steel pipe tower and concrete filled steel tube shaft tower are applied in Construction of Intercity Network in recent years and transformation.Traditional transmission tower in use accepts the test of natural environment for a long time, have that quality is heavy, perishable, the shortcoming such as corrosion or cracking, environment durability degree is poor, and especially in the natural environments such as desert Exposure to Sunlight, the erosion of seawater humidity and dust storm deflation, its application life is more not enough.In the face of this shaft tower gone wrong will carry out repairing or change difficulty comparatively greatly, its construction transport and the very difficulty run.Therefore larger potentiality have been given play in the application of fibrous composite in transmission tower at present gradually.
Current composite material quality transmission tower mainly adopts discontinuous short fiber as concrete reinforced fiber material and utilizes continuous fiber composite material muscle material as reinforcing bar alternative materials two kinds, also has a kind of transmission tower of full composite material usually to use polymer matrix composites to pass through prepreg tape Wrapping formed.Generally speaking, the structure of conventional composite materials shaft tower all adopts the discrete chopped strand of zero dimension to strengthen or the preparation of continuous fiber two dimension winding form usually, and for the shaft tower used under complex environment, the test of environmental factor will be subject on the one hand, also stronger mechanics durability degree to be had to the fatigue load of the pulling force and lateral wind that stand transmission line of electricity on the other hand, this mechanics or environmental test are for the conventional composite materials such as zero dimension or two dimension enhanced form comparatively harshness, also there are problems from current applicable cases, particularly the destruction of composite material interface layer is the centrostigma that defect appears in this kind of composite material pole tower always, in addition the tower head of high-voltage transmission line pole tower, tower body and column foot combination need truss to connect mostly, and also there is more fault of construction hidden danger in the connected mode of conventional composite materials built-in metal parts.
Utility model content
The utility model is intended to overcome the deficiencies in the prior art, provides a kind of D braided composites transmission tower, to realize improving the performance of composite material transmission tower and the object of durability degree further.
For realizing above object, the utility model by the following technical solutions:
A kind of D braided composites transmission tower, comprises the tower head, tower body and the tower leg that connect successively, the supporting rod that tower head comprises cross-arm rod member and is connected between tower body and cross-arm rod member; The tower body support bar that tower body comprises the main limb of tower body and is connected between the main limb of tower body; Tower leg comprises tower leg main limb and is connected to the tower leg support bar between tower leg main limb; All parts in described tower head, tower body and tower leg all comprises 3 D weaving skeleton and resin matrix;
3 D weaving skeleton comprises the glass fabric of core and is wrapped in outermost hybrid fabrics transition zone, and the inside of described glass fabric arranges carbon fiber zero degree yarn skeleton.
Carbon fiber zero degree yarn is as skeleton, improve integral composite shaft tower rigidity, in the braiding process of tower rod unit in real time adjustment carbon fiber and glass fiber along cross-section radial consumption from inside to outside, realize the natural transition change of core part fiber and outmost fiber ratio, thus it is overall to form hybrid fabrics.
Preferably, the desired location of the described cross-arm body of rod is embedded into ceramic insulation terminal.
Preferred further, described hybrid fabrics transition zone is formed by one or more in T300, T700, T800 and glass fiber shuffling, and described glass fabric forms by high-strength S is fiberglass braided.
Preferably, all parts in described tower head, tower body and tower leg has all been provided with the flange arrangement of connection function, each flange arrangement includes flange skeleton and is coated on the 3 D weaving flange layer outside flange skeleton.
Preferred further, described flange skeleton is metal flange skeleton, and flange skeleton is connected as a whole by described 3 D weaving flange layer with main body.The metal material of metal flange skeleton is stainless steel or special steel alloy.
Preferably, the thickness of the cross-arm rod member of described tower head and the carbon fiber zero degree yarn skeleton of supporting rod is the 5-10% of cross-arm bar cross section radius; Or the type of weave of glass fabric be three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more, the thickness of glass fabric accounts for the 70-80% of cross-arm bar cross section radius; Or described assorted fibre transition zone is formed by carbon fiber and high-strength glass fibre shuffling, the ratio of carbon fiber in blended yarns is more than 90%, the type of weave of assorted fibre transition zone adopt three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more.
Preferably, the thickness of the carbon fiber zero degree yarn skeleton of the main limb of tower body of described tower body is the 10-15% of the main limb section radius of tower body, and the thickness of the carbon fiber zero degree yarn skeleton of tower body support bar is the 5-10% of the radius of tower body support bar; Or the type of weave of the glass fabric of the main limb of tower body and tower body support bar be three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more; Or the thickness of the glass fabric of the main limb of tower body accounts for the 60-70% of the main limb section radius of tower body, the thickness of the glass fabric of tower body support bar accounts for the 70-80% of tower body support bar section radius; Or in the assorted fibre transition zone of the main limb of described tower body and tower body support bar, the ratio of carbon fiber in blended yarns is more than 95%, the type of weave of assorted fibre transition zone adopt three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more.
Preferably, the thickness of the carbon fiber zero degree yarn skeleton of the tower leg main limb of described tower leg is the 15-20% of tower leg main limb section radius, and the thickness of the carbon fiber zero degree yarn skeleton of tower leg support bar is the 5-10% of the radius of tower leg support bar; Or the type of weave of the glass fabric of tower leg main limb and tower leg support bar be three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more; Or the thickness of the glass fabric of tower leg main limb accounts for the 50-60% of tower leg main limb section radius, the thickness of the glass fabric of tower leg support bar accounts for the 70-80% of tower leg support bar section radius; Or in the assorted fibre transition zone of described tower leg main limb and tower leg support bar, the ratio of carbon fiber in blended yarns is more than 95%, the type of weave of assorted fibre transition zone adopt three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more.
Preferably, carbon fibre thread in described 3 D weaving flange layer accounts for more than 50% of blended yarns consumption, or seamless three-dimensional weaves between 3 D weaving flange layer and rod member main body, type of weave be three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more.
Preferably, described resin matrix is modified resin prepared by thermosetting resin and thermoplastic resin compound; Or described thermosetting resin is one or more in epoxy resin, phenolic resins, unsaturated polyester resin, described thermoplastic resin is one or more in polyurethane resin, polyphenylene sulfide or polyimide resin, the proportioning of thermosetting resin and thermoplastic resin according to the working environment of transmission tower and mechanical property requirements concrete and determine.Not only the mechanics feature of Thermal Synthetic solidity and thermoplastic resin, makes composite material pole tower have the rigidity of thermosetting resin but also possess the impact resistance of thermoplastic resin.
A preparation method for D braided composites transmission tower, mainly comprises the following steps:
1) individually weave all parts of transmission tower, be embedded into ceramic insulation terminal at the desired location of cross-arm rod member;
2) at the pre-buried flange skeleton of all parts of transmission tower and the junction of miscellaneous part, and at the outside of flange skeleton braiding 3 D weaving flange layer, and and carry out seamless knitted between main body rod member;
3) by woven all parts vacuum importing resin matrix respectively, curing molding;
4) all parts of curing molding is linked in sequence, obtains D braided composites transmission tower.
Preferably, step 3) in, the vacuum that vacuum imports is 0.06-0.1MPa; Or the temperature of solidification is 80-120 DEG C, hardening time is 2-4h.
The application of described D braided composites transmission tower in electric power conveying, communication, high-speed railway and municipal administration.
D braided composites is a kind of high-performance composite materials being similar to homogeneous material using three-dimensional preform cloth construction and high performance resin compound, without the feature of interlayer structure weakening strength, in precursor structure, the feature that fiber is interweaved, direction has arbitrary orientation, identical from the proportion of fibers spatially achieving plane all directions, thus the lamination problem in the Two-dimensional Composites effectively avoided; 3 D weaving can realize a knitting forming of various complicated shape, achieves the uniformity of the mechanical property of parts; In addition 3 D weaving can realize the used in combination of multiple fiber, gives full play to the overall characteristic of various fiber, simultaneously shaping with high performance resin composite curing, can adapt to comparatively complex environment and mechanical requirements.
The beneficial effects of the utility model are:
(1) the utility model is by flange connector and the seamless integrated 3 D weaving shaft tower preparation method of tower bar composite structure, and the D braided composites transmission tower parts utilizing the method can prepare flanged syndeton are applicable to the assembling application of polytype transmission tower.
(2) the utility model adopts novel assorted fibre (carbon fiber, high-strength fiber glass) transition integrated three-dimensional braided structure, high strength S glass and high-strength carbon fiber are applied in the preparation of composite material pole tower simultaneously, effective high strength and rigidity having played two kinds of fibers, effectively improves the mechanical property of composite material pole tower.
(3) D braided composites transmission tower of the present utility model, adopted the transition combination of " carbon fiber center framework structure-high strength S glass inner core three dimensional fabric structure-high-strength carbon fiber hybrid three-dimensional braiding structure " to surface by section core, total transition realizes adjustment by the yarn amount ratio of 3 D weaving yarn, forms the overall three dimensional fabric structure without boundary layer.
(4) have employed the connected mode that core crab in metal flange adds full carbon fiber tri-dimensional fabric external surface, the preparation of the integral composite shaft tower part of band three-dimensional braided structure flange connector is realized eventually through resin vacuum introductory technique, 3 D weaving flange effectively can improve the mechanical coupling strength of different shaft tower part from core crab in metal flange, ensures mechanics rigidity and the environment for use durability degree of Lifting Method in Pole Tower Integral Hoisting.
Accompanying drawing explanation
Fig. 1 is cross-arm member structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the main limb of tower body of the present utility model or tower leg main limb;
Fig. 3 is the structural representation of tower body support bar of the present utility model or tower leg support bar.
Wherein, 1, carbon fiber center zero degree yarn skeleton, 2, glass fabric, 3, hybrid fabrics transition zone, 4, metal flange skeleton, 5, surface three dimension braiding flange layer, 6, ceramic insulation terminal.
Detailed description of the invention
Embodiment 1
The preparation of shaft tower tower head cross-arm rod member and supporting rod: adopt T300 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that zero degree yarn prepares cross-arm rod member and supporting rod, the thickness of T300 carbon fiber zero degree yarn is account for cross-arm bar and rod member section radius 6%, after preparing zero degree yarn, carbon fibre thread skeleton basis adopts three-dimensional five to craft woven three dimensional fabric cored structure, the structure braiding of the glass fabric 2 of core selects high-strength S glass to be that material is carried out, whole braiding thickness accounts for 75% of cross arm of tower bar and rod member section radius, after core glass three dimensional fabric has woven, adjust yarn types and introduce T700 carbon fiber, the ratio of carbon fiber in blended yarns accounts for 93%, three-dimensional four-way braiding structure is selected to carry out outer three dimensional fabric processing, the thickness of the hybrid fabrics transition zone 3 obtained accounts for 19% of body of rod section radius.At the pre-buried ceramic insulation terminal 6 of carbon fiber hybrid fabrics ad-hoc location in cross-arm rod member braiding process, in order to the support and connection of cross-arm rod member and transmission pressure.Be embedded into metal flange skeleton 4 at the specific connecting portion of cross-arm and support bar, adopt T700 carbon fiber three-dimensional velocity field to prepare surperficial 3 D weaving flange layer 5 on metal flange skeleton 4 surface.
The preparation of the main limb of shaft tower tower body, tower body support bar: adopt T700 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that the main limb of shaft tower tower body prepared by zero degree yarn, the thickness of carbon fiber center zero degree yarn skeleton 1 is account for the main limb section radius of tower body 12%, and the thickness of carbon fiber center zero degree yarn skeleton 1 accounts for 8% of tower body support bar section radius; Adopt high-strength S glass fiber to use three-dimensional six to carry out glass fabric 2 to technology to prepare, the thickness of glass fabric 2 accounts for 65% of the main limb section radius of tower body, accounts for 75% of tower body support bar section radius; Yarn types is adjusted after core part fabric completes, high-strength T300 carbon fiber is introduced in high-strength fiber glass yarn, carbon fiber accounts for 96% in blended yarns, blended yarns based on carbon fiber is tower body rod member skin, select three-dimensional five to braiding structure, the thickness of hybrid fabrics transition zone 3 accounts for 18% of the main limb section radius of tower body, accounts for 15% of tower body support bar section radius.Be embedded into metal flange skeleton 4 at the specific connecting portion of all parts, adopt T800 carbon fiber three-dimensional five to prepare 3 D weaving flange layer 5 to braiding on metal flange skeleton 4 surface.
The tower leg main limb of shaft tower tower leg, the preparation of tower leg support bar: adopt T800 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that shaft tower tower leg main limb prepared by zero degree yarn, the thickness of T800 carbon fiber zero degree yarn is account for tower leg main limb section radius 16%, and carbon fiber center zero degree yarn skeleton 1 thickness accounts for 7% of tower leg support bar section radius; Adopt high-strength S glass fiber to use three-dimensional four-way technology to carry out glass fabric 2 to prepare, the thickness of glass fabric 2 accounts for 55% of tower leg main limb section radius, accounts for 72% of tower leg support bar section radius; Yarn types is adjusted after core part fabric completes, high-strength T300 carbon fiber is introduced in high-strength fiber glass yarn, carbon fiber accounts for 97% in blended yarns, blended yarns based on carbon fiber is tower leg rod member skin, select three-dimensional seven to braiding structure, the thickness of hybrid fabrics transition zone 3 accounts for 23% of tower leg main limb section radius, accounts for 16% of tower leg support bar section radius.Be embedded into metal flange skeleton 4 at the specific connecting portion of tower leg main limb, adopt on metal flange skeleton 4 surface the three-dimensional four-way braiding of T800 carbon fiber to prepare 3 D weaving flange layer 5.
Adopt T700 carbon fibre thread to select three-dimensional four-way cloth construction to prepare after boots plate connects, the Special Resin (epoxy: weight polyurethane is than being 5:1) after adopting epoxy resin and polyurethane resin mixed and modified the different composite material shaft tower parts of above-mentioned preparation carries out vacuum and imports shaping.During vacuum imports, vacuum remains on 0.1MPa, and solidification temperature is 110 DEG C, and hardening time is 2h, and final composite material pole tower resin content is 40%.
Utilize the flange connection of above-mentioned different tower bar effectively can realize the assembling of composite material pole tower entirety, the insulating ceramics terminal that cross-arm rod member is pre-buried simultaneously can realize effective support of power line.
Embodiment 2
The preparation of shaft tower tower head cross-arm rod member and supporting rod: adopt T300 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that zero degree yarn prepares cross-arm rod member and supporting rod, the thickness of T300 carbon fiber zero degree yarn is account for cross-arm bar and rod member section radius 7%, after preparing zero degree yarn, carbon fibre thread skeleton basis adopts three-dimensional five to craft woven three dimensional fabric cored structure, the structure braiding of the glass fabric 2 of core selects high-strength S glass to be that material is carried out, whole braiding thickness accounts for 74% of cross arm of tower bar and rod member section radius, after core glass three dimensional fabric has woven, adjust yarn types and introduce T300 carbon fiber, the ratio of carbon fiber in blended yarns accounts for 92%, three-dimensional four-way braiding structure is selected to carry out outer three dimensional fabric processing, the thickness of the hybrid fabrics transition zone 3 obtained accounts for 19% of body of rod section radius.At the pre-buried ceramic insulation terminal 6 of carbon fiber hybrid fabrics ad-hoc location in cross-arm rod member braiding process, in order to the support and connection of cross-arm rod member and transmission pressure.Be embedded into metal flange skeleton 4 at the specific connecting portion of cross-arm and support bar, adopt T300 carbon fiber three-dimensional velocity field to prepare surperficial 3 D weaving flange layer 5 on metal flange skeleton 4 surface.
The preparation of the main limb of shaft tower tower body, tower body support bar: adopt T800 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that the main limb of shaft tower tower body prepared by zero degree yarn, the thickness of carbon fiber center zero degree yarn skeleton 1 is account for the main limb section radius of tower body 15%, and the thickness of carbon fiber center zero degree yarn skeleton 1 accounts for 9% of tower body support bar section radius; Adopt high-strength S glass fiber to use three-dimensional five to carry out glass fabric 2 to technology to prepare, the thickness of glass fabric 2 accounts for 60% of the main limb section radius of tower body, accounts for 70% of tower body support bar section radius; Yarn types is adjusted after core part fabric completes, high-strength T300 carbon fiber is introduced in high-strength fiber glass yarn, carbon fiber accounts for 97% in blended yarns, blended yarns based on carbon fiber is tower body rod member skin, select three-dimensional seven to braiding structure, the thickness of hybrid fabrics transition zone 3 accounts for 22% of the main limb section radius of tower body, accounts for 16% of tower body support bar section radius.Be embedded into metal flange skeleton 4 at the specific connecting portion of all parts, adopt on metal flange skeleton 4 surface the three-dimensional four-way braiding of T300 carbon fiber to prepare 3 D weaving flange layer 5.
The tower leg main limb of shaft tower tower leg, the preparation of tower leg support bar: adopt T300 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that shaft tower tower leg main limb prepared by zero degree yarn, the thickness of T300 carbon fiber zero degree yarn is account for tower leg main limb section radius 18%, and carbon fiber center zero degree yarn skeleton 1 thickness accounts for 8% of tower leg support bar section radius; Adopt high-strength S glass fiber to use three-dimensional seven to carry out glass fabric 2 to technology to prepare, the thickness of glass fabric 2 accounts for 50% of tower leg main limb section radius, accounts for 70% of tower leg support bar section radius; Yarn types is adjusted after core part fabric completes, high-strength T700 carbon fiber is introduced in high-strength fiber glass yarn, carbon fiber accounts for 98% in blended yarns, blended yarns based on carbon fiber is tower leg rod member skin, select three-dimensional four-way braiding structure, the thickness of hybrid fabrics transition zone 3 accounts for 32% of tower leg main limb section radius, accounts for 20% of tower leg support bar section radius.Be embedded into metal flange skeleton 4 at the specific connecting portion of tower leg main limb, adopt T800 carbon fiber three-dimensional velocity field to prepare 3 D weaving flange layer 5 on metal flange skeleton 4 surface.
Adopt T800 carbon fibre thread to select three-dimensional five to prepare after boots plate connects to cloth construction, the Special Resin (unsaturated polyester resin: weight polyurethane is than being 8:1) after adopting unsaturated polyester resin and polyurethane resin mixed and modified the different composite material shaft tower parts of above-mentioned preparation carries out vacuum and imports shaping.During vacuum imports, vacuum remains on 0.08MPa, and solidification temperature is 115 DEG C, and hardening time is 3h, and final composite material pole tower resin content is 45%.
Utilize the flange connection of above-mentioned different tower bar effectively can realize the assembling of composite material pole tower entirety, the insulating ceramics terminal that cross-arm rod member is pre-buried simultaneously can realize effective support of power line.
Embodiment 3
The preparation of shaft tower tower head cross-arm rod member and supporting rod: adopt T300 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that zero degree yarn prepares cross-arm rod member and supporting rod, the radius of T300 carbon fiber zero degree yarn is account for cross-arm bar and rod member section radius 9%, after preparing zero degree yarn, carbon fibre thread skeleton basis adopts three-dimensional four-way craft woven three dimensional fabric cored structure, the structure braiding of the glass fabric 2 of core selects high-strength S glass to be that material is carried out, whole braiding thickness accounts for 70% of cross arm of tower bar and rod member section radius, after core glass three dimensional fabric has woven, adjust yarn types and introduce T800 carbon fiber, the ratio of carbon fiber in blended yarns accounts for 91%, three-dimensional four-way braiding structure is selected to carry out outer three dimensional fabric processing, the thickness of the hybrid fabrics transition zone 3 obtained accounts for 21% of body of rod section radius.At the pre-buried ceramic insulation terminal 6 of carbon fiber hybrid fabrics ad-hoc location in cross-arm rod member braiding process, in order to the support and connection of cross-arm rod member and transmission pressure.Be embedded into metal flange skeleton 4 at the specific connecting portion of cross-arm rod member and support bar, adopt on metal flange skeleton 4 surface T700 carbon fiber three-dimensional five to the surperficial 3 D weaving flange layer 5 of braiding preparation.
The preparation of the main limb of shaft tower tower body, tower body support bar: adopt T700 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that the main limb of shaft tower tower body prepared by zero degree yarn, the thickness of carbon fiber center zero degree yarn skeleton 1 is account for the main limb section radius of tower body 18%, and the thickness of carbon fiber center zero degree yarn skeleton 1 accounts for 7% of tower body support bar section radius; Adopt high-strength S glass fiber to use three-dimensional four-way technology to carry out glass fabric 2 to prepare, the thickness of glass fabric 2 accounts for 62% of the main limb section radius of tower body, accounts for 71% of tower body support bar section radius; Yarn types is adjusted after core part fabric completes, high-strength T300 carbon fiber is introduced in high-strength fiber glass yarn, carbon fiber accounts for 95% in blended yarns, blended yarns based on carbon fiber is tower body rod member skin, select three-dimensional five to braiding structure, the thickness of hybrid fabrics transition zone 3 accounts for 20% of the main limb section radius of tower body, accounts for 22% of tower body support bar section radius.Be embedded into metal flange skeleton 4 at the specific connecting portion of all parts, adopt T800 carbon fiber three-dimensional five to prepare 3 D weaving flange layer 5 to braiding on metal flange skeleton 4 surface.
The tower leg main limb of shaft tower tower leg, the preparation of tower leg support bar: adopt T300 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that shaft tower tower leg main limb prepared by zero degree yarn, the thickness of T300 carbon fiber zero degree yarn is account for tower leg main limb section radius 14%, and carbon fiber center zero degree yarn skeleton 1 thickness accounts for 7% of tower leg support bar section radius; Adopt high-strength S glass fiber to use three-dimensional seven to carry out glass fabric 2 to technology to prepare, the thickness of glass fabric 2 accounts for 51% of tower leg main limb section radius, accounts for 69% of tower leg support bar section radius; Yarn types is adjusted after core part fabric completes, high-strength T700 carbon fiber is introduced in high-strength fiber glass yarn, carbon fiber accounts for 99% in blended yarns, blended yarns based on carbon fiber is tower leg rod member skin, select three-dimensional velocity field structure, the thickness of hybrid fabrics transition zone 3 accounts for 35% of tower leg main limb section radius, accounts for 24% of tower leg support bar section radius.Be embedded into metal flange skeleton 4 at the specific connecting portion of tower leg main limb, adopt T700 carbon fiber three-dimensional velocity field to prepare 3 D weaving flange layer 5 on metal flange skeleton 4 surface.It is 2:1 that carbon fiber and glass mix weight ratio.
Adopt T300 carbon fibre thread to select three-dimensional four-way cloth construction to prepare after boots plate connects, the different composite material shaft tower parts of above-mentioned preparation are adopted unsaturated polyester resin and polyphenylene sulfide mixed and modified after Special Resin (unsaturated polyester resin: polyphenylene sulfide weight ratio is 5:1) carry out vacuum and import shaping.During vacuum imports, vacuum remains on 0.07MPa, and solidification temperature is 105 DEG C, and hardening time is 2h, and final composite material pole tower resin content is 42%.
Utilize the flange connection of above-mentioned different tower bar effectively can realize the assembling of composite material pole tower entirety, the insulating ceramics terminal that cross-arm rod member is pre-buried simultaneously can realize effective support of power line.
Embodiment 4
The preparation of shaft tower tower head cross-arm rod member and supporting rod: adopt T700 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that zero degree yarn prepares cross-arm rod member and supporting rod, the radius of T700 carbon fiber zero degree yarn is account for cross-arm bar and rod member section radius 10%, after preparing zero degree yarn, carbon fibre thread skeleton basis adopts three-dimensional four-way craft woven three dimensional fabric cored structure, the structure braiding of the glass fabric 2 of core selects high-strength S glass to be that material is carried out, whole braiding thickness accounts for 65% of cross arm of tower bar and rod member section radius, after core glass three dimensional fabric has woven, adjust yarn types and introduce T300 carbon fiber, the ratio of carbon fiber in blended yarns accounts for 90%, three-dimensional four-way braiding structure is selected to carry out outer three dimensional fabric processing, the thickness of the hybrid fabrics transition zone 3 obtained accounts for 25% of body of rod section radius.At the pre-buried ceramic insulation terminal 6 of carbon fiber hybrid fabrics ad-hoc location in cross-arm rod member braiding process, in order to the support and connection of cross-arm rod member and transmission pressure.Be embedded into metal flange skeleton 4 at the specific connecting portion of cross-arm rod member and support bar, adopt T300 carbon fiber three-dimensional velocity field to prepare surperficial 3 D weaving flange layer 5 on metal flange skeleton 4 surface.
The preparation of the main limb of shaft tower tower body, tower body support bar: adopt T300 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that the main limb of shaft tower tower body prepared by zero degree yarn, the thickness of carbon fiber center zero degree yarn skeleton 1 is account for the main limb section radius of tower body 17%, and the thickness of carbon fiber center zero degree yarn skeleton 1 accounts for 8% of tower body support bar section radius; Adopt high-strength S glass fiber to use three-dimensional four-way technology to carry out glass fabric 2 to prepare, the thickness of glass fabric 2 accounts for 61% of the main limb section radius of tower body, accounts for 70% of tower body support bar section radius; Yarn types is adjusted after core part fabric completes, high-strength T300 carbon fiber is introduced in high-strength fiber glass yarn, carbon fiber accounts for 94% in blended yarns, blended yarns based on carbon fiber is tower body rod member skin, select three-dimensional five to braiding structure, the thickness of hybrid fabrics transition zone 3 accounts for 22% of the main limb section radius of tower body, accounts for 22% of tower body support bar section radius.Be embedded into metal flange skeleton 4 at the specific connecting portion of all parts, adopt on metal flange skeleton 4 surface the three-dimensional four-way braiding of T800 carbon fiber to prepare 3 D weaving flange layer 5.
The tower leg main limb of shaft tower tower leg, the preparation of tower leg support bar: adopt T300 carbon fiber to be the carbon fiber center zero degree yarn skeleton 1 that shaft tower tower leg main limb prepared by zero degree yarn, the thickness of T300 carbon fiber zero degree yarn is account for tower leg main limb section radius 13%, and carbon fiber center zero degree yarn skeleton 1 thickness accounts for 11% of tower leg support bar section radius; Adopt high-strength S glass fiber to use three-dimensional five to carry out glass fabric 2 to technology to prepare, the thickness of glass fabric 2 accounts for 50% of tower leg main limb section radius, accounts for 65% of tower leg support bar section radius; Yarn types is adjusted after core part fabric completes, high-strength T700 carbon fiber is introduced in high-strength fiber glass yarn, carbon fiber accounts for 92% in blended yarns, blended yarns based on carbon fiber is tower leg rod member skin, select three-dimensional velocity field structure, the thickness of hybrid fabrics transition zone 3 accounts for 37% of tower leg main limb section radius, accounts for 24% of tower leg support bar section radius.Be embedded into metal flange skeleton 4 at the specific connecting portion of tower leg main limb, adopt T700 carbon fiber three-dimensional five to prepare 3 D weaving flange layer 5 to braiding on metal flange skeleton 4 surface, wherein the weight ratio of T700 carbon fiber and glass is at 4:1.
Adopt T300 carbon fibre thread to select three-dimensional four-way cloth construction to prepare after boots plate connects, the Special Resin (phenolic resins: weight polyurethane is than being 6:1) after adopting phenolic resins and polyurethane resin mixed and modified the different composite material shaft tower parts of above-mentioned preparation carries out vacuum and imports shaping.During vacuum imports, vacuum remains on 0.08MPa, and solidification temperature is 115 DEG C, and hardening time is 2.5h, and final composite material pole tower resin content is 43%.
Utilize the flange connection of above-mentioned different tower bar effectively can realize the assembling of composite material pole tower entirety, the insulating ceramics terminal that cross-arm rod member is pre-buried simultaneously can realize effective support of power line.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (7)
1. a D braided composites transmission tower, is characterized in that: comprise the tower head, tower body and the tower leg that connect successively, the supporting rod that tower head comprises cross-arm rod member and is connected between tower body and cross-arm rod member; The tower body support bar that tower body comprises the main limb of tower body and is connected between the main limb of tower body; Tower leg comprises tower leg main limb and is connected to the tower leg support bar between tower leg main limb; All parts in described tower head, tower body and tower leg all comprises 3 D weaving skeleton and resin matrix;
Described 3 D weaving skeleton comprises the glass fabric of core and is wrapped in outermost hybrid fabrics transition zone, and the inside of described glass fabric arranges carbon fiber zero degree yarn skeleton.
2. D braided composites transmission tower according to claim 1, it is characterized in that: the flange arrangement all parts in described tower head, tower body and tower leg being all provided with connection function, each flange arrangement includes flange skeleton and is coated on the 3 D weaving flange layer outside flange skeleton; Described flange skeleton is metal flange skeleton, and flange skeleton is connected as a whole by described 3 D weaving flange layer with main body.
3. D braided composites transmission tower according to claim 2, is characterized in that: the thickness of the cross-arm rod member of described tower head and the carbon fiber zero degree yarn skeleton of supporting rod is the 5-10% of cross-arm bar cross section radius; Or the type of weave of glass fabric be three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more, the thickness of glass fabric accounts for the 70-80% of cross-arm bar cross section radius; Or described assorted fibre transition zone is formed by carbon fiber and high-strength glass fibre shuffling, the ratio of carbon fiber in blended yarns is more than 90%, the type of weave of assorted fibre transition zone adopt three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more.
4. D braided composites transmission tower according to claim 2, it is characterized in that: the thickness of the carbon fiber zero degree yarn skeleton of the main limb of tower body of described tower body is the 10-15% of the main limb section radius of tower body, the thickness of the carbon fiber zero degree yarn skeleton of tower body support bar is the 5-10% of the radius of tower body support bar; Or the type of weave of the glass fabric of the main limb of tower body and tower body support bar be three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more; Or the thickness of the glass fabric of the main limb of tower body accounts for the 60-70% of the main limb section radius of tower body, the thickness of the glass fabric of tower body support bar accounts for the 70-80% of tower body support bar section radius; Or in the assorted fibre transition zone of the main limb of described tower body and tower body support bar, the ratio of carbon fiber in blended yarns is more than 95%, the type of weave of assorted fibre transition zone adopt three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more.
5. D braided composites transmission tower according to claim 2, it is characterized in that: the thickness of the carbon fiber zero degree yarn skeleton of the tower leg main limb of described tower leg is the 15-20% of tower leg main limb section radius, the thickness of the carbon fiber zero degree yarn skeleton of tower leg support bar is the 5-10% of the radius of tower leg support bar; Or the type of weave of the glass fabric of tower leg main limb and tower leg support bar be three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more; Or the thickness of the glass fabric of tower leg main limb accounts for the 50-60% of tower leg main limb section radius, the thickness of the glass fabric of tower leg support bar accounts for the 70-80% of tower leg support bar section radius; Or in the assorted fibre transition zone of described tower leg main limb and tower leg support bar, the ratio of carbon fiber in blended yarns is more than 95%, the type of weave of assorted fibre transition zone adopt three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more.
6. D braided composites transmission tower according to claim 2, it is characterized in that: the carbon fibre thread in described 3 D weaving flange layer accounts for more than 50% of blended yarns consumption, or seamless three-dimensional weaves between 3 D weaving flange layer and rod member main body, type of weave be three-dimensional four-way, three-dimensional five to, three-dimensional six to or three-dimensional seven in one or more.
7. D braided composites transmission tower according to claim 1, is characterized in that: described resin matrix is modified resin prepared by thermosetting resin and thermoplastic resin compound; Or described thermosetting resin is one or more in epoxy resin, phenolic resins, unsaturated polyester resin, described thermoplastic resin is one or more in polyurethane resin, polyphenylene sulfide or polyimide resin, the proportioning of thermosetting resin and thermoplastic resin according to the working environment of transmission tower and mechanical property requirements concrete and determine.
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| CN201520940269.8U CN205116861U (en) | 2015-11-23 | 2015-11-23 | Combined material transmission tower is woven to three -dimensional |
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| CN201520940269.8U CN205116861U (en) | 2015-11-23 | 2015-11-23 | Combined material transmission tower is woven to three -dimensional |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350813A (en) * | 2015-11-23 | 2016-02-24 | 山东中恒碳纤维科技发展有限公司 | Three-dimensional braided composite material transmission tower and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350813A (en) * | 2015-11-23 | 2016-02-24 | 山东中恒碳纤维科技发展有限公司 | Three-dimensional braided composite material transmission tower and preparation method thereof |
| CN105350813B (en) * | 2015-11-23 | 2018-05-15 | 山东中恒景新碳纤维科技发展有限公司 | A kind of D braided composites transmission tower and preparation method thereof |
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Address after: 251100 Qihe Qilu high tech Development Zone, Dezhou, Shandong Patentee after: Shandong Zhongheng new carbon fiber technology development Co. Ltd. Address before: 251100 Qihe Qilu high tech Development Zone, Dezhou, Shandong Patentee before: SHANDONG ZHONGHENG CARBONFIBER SCIEN AND TECHNOLOGY DEVELOPMENT CO., LTD. |
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