CN203721296U - Modified composite core rod - Google Patents
Modified composite core rod Download PDFInfo
- Publication number
- CN203721296U CN203721296U CN201320657279.1U CN201320657279U CN203721296U CN 203721296 U CN203721296 U CN 203721296U CN 201320657279 U CN201320657279 U CN 201320657279U CN 203721296 U CN203721296 U CN 203721296U
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- China
- Prior art keywords
- composite core
- core rod
- fiber
- inner core
- composite
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- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 title claims abstract description 59
- 239000000835 fiber Substances 0.000 claims abstract description 54
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 5
- 238000009954 braiding Methods 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 230000009970 fire resistant effect Effects 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 238000005470 impregnation Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000805 composite resin Substances 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Moulding By Coating Moulds (AREA)
Abstract
The utility model discloses a modified composite core rod. The composite core rod comprises a fiber inner core, at least two fiber outer layers wound or/and woven or/and longitudinally wrapped outside the inner core, and thermosetting or thermoplastic high-temperature-resistant resin uniformly embedded in the fiber inner core and fiber outer layer; the fiber inner core consists of a plurality of longitudinal fibers, and the external diameter is 5.0 to 11.0 mm; the fiber inner core and the fiber outer layers form a whole through resin curing; the external diameter of the composite core rod is 10.0 mm to 20.0 mm; and Tg of the high-temperature-resistant resin is not lower than 90 DEG C, and the volume fraction of the resin is 25% to 40%. The modified composite core rod mainly solves the problems that a conventional fiber-reinforced resin base composite core rod is small in pulling strength and poor in bending property, and a section of the composite core rod cannot be too large, not only is the bending property of the composite core rod improved, but a specification range of the composite core rod is also expanded and the pulling strength of the composite core rod is improved, and thus requirements of power transmission lines of hostile environments such as a large span and a large wind zone can be satisfied.
Description
Technical field
The utility model discloses a kind of composite core rod of modification, provide that a kind of cross section is large, pull-off force is large, good bending property, the modified fibre that is difficult for longitudinally and radially ftractureing strengthen resin-based composite core rod.
Background technology
Resin-based high strength continuous fiber composite material wire rod, because it has that quality is light, tensile strength is large, heatproof is high, the feature such as Gao Bimo, coefficient of linear expansion be little, should get more and more people's extensive concerning at aspects such as electric power conveying, ocean operation, bridge enhancings.Particularly with the many companies headed by U.S. CTC company, Yuandong Compound Techn Co., Ltd., composite material is shown especially day by day for transmission line advantage.This composite core is mainly formed through resin solidification by many longitudinal fibers, this structure exists that bending property is poor, more difficult bending when needs increase pull-off force, increasing section, cause bending diameter very large, production and construction are brought to difficulty, therefore the diameter range that composite core rod is produced is at present 5.0mm～10.0mm, and when it needs larger pull-off force, more heavy in section composite core for large leap area, its application is just restricted.In order to improve the application of fiber material composite core, meet under large span, big-length occasion and use, must produce the fiber reinforced resin based composite core rod of larger pulling force, larger specification.For the composite core rod of producing larger specification, key request is on the basis that does not change its physical property, to improve composite core rod mechanical property and bending property, and for this reason, people begin one's study and adopt composite core rod and the manufacture method thereof of various structures.As strand type composite core, yet strand type composite core exists, manufacturing process is complicated, each strand of tension force is difficult to accomplish uniformity, connects gold utensil complexity, to so far, does not have yet strand type composite core rod to produce ripe manufacture method in batches.Therefore, large, the good bending property of large, the pull-off force in exploitation cross section to meet the composite core rod using under large span, big-length occasion be R&D direction in the industry.
Utility model content
The purpose of this utility model is to solve the problem that prior art exists, and the modification that a kind of pull-off force is large, bending property is good, pliability is good composite core rod is provided.
The technical scheme that realizes the utility model object is a kind of composite core rod of modification, comprises that fiber inner core, winding are or/and weave or/and be longitudinally coated on the fibrous outer of inner core outside and be evenly embedded into thermosetting or the thermoplasticity fire resistant resin in fiber inner core and fibrous outer; Described fiber inner core is comprised of many longitudinal fibers, and external diameter is 5.0～11.0mm; Described fibrous outer has at least two-layer; Described fiber inner core and fibrous outer form an integral body through resin solidification; The external diameter of described composite core is 10.0mm～20.0mm; Tg >=90 ℃ of described fire resistant resin, the volume fraction of resin is 25%～40%.
The fiber of described fiber inner core and fibrous outer be intensity at 2000～6000MPa, percentage elongation is at 1%-5%, modulus of elasticity is at the high-intensity fiber of 30～250GPa, Single Fiber, consists of or two or more fiber material combines.
Adopted technique scheme, the utlity model has following beneficial effect: (1) is because composite core is when the bending, the suffered pulling force maximum of fiber of composite core curved top portion, and structural outside layers of the present utility model adopts multi-lay winding or braiding structure, therefore each fiber of outside and the axis of composite core are at an angle, the single fiber that makes composite core outside is less than or equals the suffered power of inner longitudinal fiber in the radially suffered power of composite core, thereby greatly improved the flexibility of composite core, the composite core rod cross section that has solved current conventional structure can not be excessive, whole pull-off force is little, the problem that bending property is poor.
(2) the utility model manufacture method by double-layer structure through twice impregnation be solidificated in for twice on same machine continuously and realize, make inner core and an integral body of outer formation, can layering, be conducive on the one hand the transmission of power in construction or connection procedure, on the other hand when bearing tension, stressed even, composite core intensity is higher.
(3) composite core of the present utility model mainly solved that conventional fibre strengthens that resin-based composite core rod pull-off force is little, bending property is poor, composite core rod cross section can not be excessive etc. problem, not only improved the bending property of composite core, the specification limit and the pull-off force that has improved composite core rod that have also expanded composite core rod, can meet the severe transmission line requirements of environment such as large span, strong wind district.
Accompanying drawing explanation
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is structure chart of the present utility model.
Fig. 2 is the process chart of manufacture method of the present utility model.
Fig. 3 is modeling figure of the present utility model.
Label in accompanying drawing is:
Mould 11, composite core 12, traction wheel 13, take-up reel 14 are solidified in composite core 10, secondary pultrusion after fiber 6 after fiber inner core 1, fibrous outer 2, pay off rack 3, fiber 4, Resin bath 5, impregnation, high temperature pultrusion mould 7, first and two layer of winding machine or braiding machine 8-1, the 3rd layer of braiding machine or winding machine 8-2, the second passage steeping vat 9, impregnation.
Embodiment
See Fig. 1, the composite core of a kind of modification of the present embodiment, comprise fiber inner core 1 and be wound around or be woven in the fibrous outer 2 of inner core 1 outside and be evenly embedded into fiber inner core 1 and fibrous outer 2 in thermosetting or thermoplasticity fire resistant resin; Fiber inner core 1 is comprised of many longitudinal fibers, and external diameter is 5.0～11.0mm; Fibrous outer 2 has at least two-layer; Fiber inner core 1 and fibrous outer 2 form an integral body through resin solidification; The external diameter of composite core is 10.0mm～20.0mm; Tg >=90 ℃ of fire resistant resin, the volume fraction of resin is 25%～40%.The fiber of fiber inner core 1 and fibrous outer 2 be intensity at 2000～6000MPa, modulus of elasticity is at the high-intensity fiber of 30～250GPa, Single Fiber, consists of or two or more fiber material mixes.
See Fig. 2 and Fig. 3, the manufacture method of the composite core of modification, comprises the following steps:
Step 1: multiple fibre is entered after the resin complete wetting in Resin bath 5 to high temperature pultrusion mould 7, form the fiber inner core 1 of the composite core of semi-cured state;
A, put yarn operation: multiple fibre 4 is emitted from pay off rack 3, twist as required;
B, dipping process: the multiple fibre of emitting 4 is fully infiltrated through Resin bath 5, and thermosetting resin or thermoplastic resin are embedded into each fibrous inside;
C, precuring operation: the fiber after impregnation 6 is entered to the composite core inner core that high temperature pultrusion mould 7 carries out precuring formation precuring through directive wheel or guiding module.
Step 2: in the outer braiding of fiber inner core 1 of the composite core of semi-cured state or be wound around fibrous outer 2; The composite core inner core of precuring is wound around by two or more winding machines respectively or by the two-layer or two-layer above filament of two or more braiding machines braiding or/and longitudinally coated one deck be combined to form and have two-layer fibrous outer 2 at least; Each layer all adopts canoes or each layer all to adopt weaving manners or each layer to adopt to be wound around and braiding compound mode or each layer adopt and be wound around and longitudinally coated compound mode or each layer adopt braiding and longitudinal compound mode that is coated, winding can adopt tight winding or thin around; Count is controlled at 60%～90%.
Step 3: the composite core rod through being wound around or weaving after being coated enters second time curing mould 11 after the second steeping vat 9 infiltrates, and realizes completely curing.
A, secondary dipping operation: by be wound around braiding or longitudinally coated composite fiber core through the second passage steeping vat 9, fully infiltrate, resin is evenly embedded into the interface of fibrous outer inside and fibrous outer and composite fibre inner core;
B, regelate operation: the composite core after impregnation 10 is entered to secondary pultrusion and solidify mould 11, realize completely curingly, form completely crued composite core rod 12;
C, one-tenth dish operation: the composite core rod of curing molding 12 one-tenth after hauling machine 13 is coiled to 14 take-ups.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (2)
1. a composite core rod for modification, is characterized in that: comprise fiber inner core (1) and be wound around or braiding or be longitudinally coated on the outside fibrous outer (2) of inner core (1) and be evenly embedded into fiber inner core (1) and fibrous outer (2) in thermosetting or thermoplasticity fire resistant resin; Described fiber inner core (1) is comprised of many longitudinal fibers, and external diameter is 5.0～11.0mm; Described fibrous outer (2) has at least two-layer; Described fiber inner core (1) and fibrous outer (2) form an integral body through resin solidification; The external diameter of described composite core rod is 10.0mm～20.0mm.
2. the composite core rod of a kind of modification according to claim 1, it is characterized in that: the fiber of described fiber inner core (1) and fibrous outer (2) is that tensile strength is at 2000～6000MPa, percentage elongation is 1%～5%, and modulus of elasticity is at the high-intensity fiber of 30～250GPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657279.1U CN203721296U (en) | 2013-10-23 | 2013-10-23 | Modified composite core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657279.1U CN203721296U (en) | 2013-10-23 | 2013-10-23 | Modified composite core rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721296U true CN203721296U (en) | 2014-07-16 |
Family
ID=51160434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320657279.1U Expired - Fee Related CN203721296U (en) | 2013-10-23 | 2013-10-23 | Modified composite core rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721296U (en) |
-
2013
- 2013-10-23 CN CN201320657279.1U patent/CN203721296U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |