CN203547210U - Internally ribbed composite material tower - Google Patents
Internally ribbed composite material tower Download PDFInfo
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- CN203547210U CN203547210U CN201320620178.7U CN201320620178U CN203547210U CN 203547210 U CN203547210 U CN 203547210U CN 201320620178 U CN201320620178 U CN 201320620178U CN 203547210 U CN203547210 U CN 203547210U
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- composite material
- interior reinforced
- shaft tower
- reinforced composite
- reinforced structure
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Abstract
The utility model relates to an internally ribbed composite material tower, which consists of internally ribbed structural units 1 and a reinforcement layer 2, wherein the internally ribbed structural units 1 and the reinforcement layer 2 are made by compounding reinforced fibers and a matrix resin; a plurality of internally ribbed structural units 1 are combined to form an internally ribbed structure of the internally ribbed composite material tower; the reinforcement layer 2 coats the internally ribbed structure, formed by combining the plurality of internally ribbed structural units 1, of the internally ribbed composite material tower. Compared with a hollow twisted composite material tower, the internally ribbed composite material tower has higher strength and rigidity, and the shear capacity is greatly improved; air bubbles are difficultly generated in the preparation process, the number of holes in the tower is small, the strength and anti-instability capacity of the tower are improved, and environmental pollution caused by volatile substances is greatly reduced; equipment investment is low, and the cost of the internally ribbed composite material tower is lower than the cost of a product prepared by a twisting method under the present small-scale application condition.
Description
Technical field
The present invention relates to a kind of composite material pole tower, relate in particular to reinforced composite material shaft tower in a kind of insulation, can be used as power circuit, communications service, railway electrification, the insulating supporting member of track traffic and government utility and association area.
Background technology
Traditional shaft tower ubiquity is heavy, perishable, corrosion or cracking, the shortcoming that life-span is short, and construction and transportation difficulty, easily there are various potential safety hazards, development along with new material technology and preparation technology thereof, composite material is developed rapidly, it is light that composite material pole tower has quality, corrosion-resistant, intensity is high, the advantages such as the life-span is longer, maintenance cost is low and can bear extreme weather conditions, at power circuit, communications service, railway electrification, in the engineering such as track traffic and communal facility, can well replace traditional rod, 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 mainly Wrapping formed preparation technology, as patent CN102127986A, CN2898202Y, CN101718151A, CN102618017A etc.Wrapping formed preparation technology is controlling under the condition of fiber tension and predetermined line style; by continuous fiber roving or strap impregnating resin glue, be continuously wrapped in corresponding to the core of goods inner cavity size or in be lining with, then under room temperature or heating condition, make it to solidify the method for making definite shape goods.The major defect of this shaft tower is: 1) in winding process, easily produce bubble, cause shaft tower inner pore too much, thereby reduce interlaminar shear strength and reduce compressive strength and anti-unstability ability; 2) in winding process, fiber tension is good at controlling, cotton yarn tape and overlap joint size will strictly be controlled, and must arrange evenly, otherwise can cause the initial stress of fiber in shaft tower uneven, not etc., shaft tower intensity is not affected inside and outside degree of tightness, and part cotton yarn tape is overlapped with the sliding yarn in gap or a part, makes shaft tower fiber content deficiency or cause local weakness zone; 3) adopt Wrapping formed preparation technology, equipment investment is larger, and occupation area of equipment is large, and technical requirements is high, only has while production in enormous quantities in enormous quantities just can reduce costs; 4) in impregnation, gel and solidification process, can discharge volatile substance pollution environment; 5) cannot prepare reinforced structure in cavity.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of interior reinforced composite material shaft tower, to solve the low problem of hollow-core construction composite material pole tower intensity.
For solving the technical problem existing, the technical solution used in the present invention is: a kind of interior reinforced composite material shaft tower, by interior reinforced structure unit 1 and enhancement layer 2, formed, interior reinforced structure unit 1 and enhancement layer 2 are by fortifying fibre and matrix resin is compound makes, described a plurality of interior reinforced structure unit 1 is combined to form the interior reinforced structure of interior reinforced composite material shaft tower, and described enhancement layer 2 is wrapped in the interior reinforced structure outside that a plurality of interior reinforced structures unit 1 is combined to form interior reinforced composite material shaft tower.
The cross sectional shape of described interior reinforced composite material shaft tower can be hexagon, circle, triangle, ellipse, square or other shape etc., the preferred hexagon of the present invention, circle, triangle.
That the cross sectional shape of the interior reinforced structure unit 1 of described interior reinforced composite material shaft tower can adopt is according to requirements trapezoidal, fan-shaped, circular, triangle, square or other shape etc., and the present invention is preferably trapezoidal or fan-shaped.
Described interior reinforced structure unit 1 and the fortifying fibre of enhancement layer 2 are a kind of of glass fiber, carbon fiber, aramid fiber, graphite fibre, superhigh molecular weight polyethylene fibers or basalt fibre yarn etc. or are mixed and formed by two or more.
When shaft tower of the present invention supports as transmission lines of electricity such as cables, for safety, described fortifying fibre is preferably glass fiber or other non-conductive fibers.
The enhanced form of described fortifying fibre is one or more of plain, twill, satin, unidirectional cloth, multi-shaft warp knitting cloth.
Described interior reinforced structure unit 1 and the matrix resin of enhancement layer 2 are a kind of of the thermosetting resins such as epoxy resin, unsaturated polyester resin, vinylite, phenolic resins, polyurethane resin or thermoplastic resin.
The interior reinforced structure of described interior reinforced composite material bar is gone up interior reinforced structure unit 1 by 3 or 3 and is constituted.
The preparation method of interior reinforced composite material shaft tower, its preparation process comprises following step:
1) interior reinforced structure unit mould 3 pretreatment, reinforced structure unit mould 3 in cleaning, and repair smooth, then at interior reinforced structure unit mould 3 surface spraying hole sealing agent and release agents;
2) precast body of reinforced structure unit 1 in preparation, fiber-reinforced wrapped on pretreated interior reinforced structure unit mould 3, the precast body of reinforced structure unit 1 in forming;
3) form in the combination precast body of reinforced structure unit 1, by step 2) precast body of the interior reinforced structure unit 1 prepared combines, the combination precast body of reinforced structure unit 1 in forming;
4) prepare external surface enhancement layer 2, in step 3) the combination precast body external surface of the interior reinforced structure unit 1 that forms is wound around glass fabric and prepares enhancement layer 2, obtains the preform of shaft tower;
5) cutting and paving are covered release cloth, and the release cloth cutting is laid in to step 4) in the preform surface of the shaft tower that obtains, and make it to cover completely the preform of this shaft tower;
6) lay auxiliary material system, in step 5) described release cloth surface laying water conservancy diversion felt, mozzle and wireway equal vacuum importing moulding technology auxiliary material, and set gum-injecting port and the vacuum pumping opening in die cavity:
7) vacuum bag film sealing, adopt double-layer vacuum bag film by step 5) and 6) in preform and the auxiliary material system of shaft tower seal, first with first floor vacuum bag, on mould, seal preform and the auxiliary material system of whole shaft tower, airtight gum-injecting port is also connected extract opening with vacuum pump, then vacuumize and check the tightness of sealing die cavity, first floor vacuum bag film packaging air tightness reaches after requirement, with the vacuum bag film of the second layer, seal whole first floor bag film system, and vacuumize continuation inspection tightness, until tightness reaches requirement;
8) basic resin system mold filling dipping preform: open gum-injecting port the basic resin system stirring and process through deaeration is utilized to the preform that floods above-mentioned shaft tower in negative pressure of vacuum injection moulding die cavity, after the preform of basic resin system thorough impregnation shaft tower, close gum-injecting port, and continue to vacuumize the vacuum keeping in shaping mold cavity;
9) curing molding and post processing, the vacuum in solidification process in necessary maintenance shaping mold cavity is until completion of cure carries out the post processings such as the demoulding, finishing and cleaning after having solidified.
The interior reinforced structure unit mould of interior reinforced composite material shaft tower; the section feature of the interior reinforced structure unit 1 of described mold sections feature and shaft tower is identical, can adopt wood mold coupled, metal die, glass punching block or elastic packing bag the inside to be full of liquid or gas flexible core mold.
Beneficial effect of the present invention is:
The more hollow winding molding compound material shaft tower of the present invention is compared, and has the following advantages: 1) interior reinforced structure makes composite material pole tower intensity, rigidity higher, has greatly improved shear resistance; 2) the present invention is closed moulding method, is not easy to produce bubble in preparation process, and shaft tower inner pore is few, has improved intensity and the anti-unstability ability of shaft tower, has greatly reduced in addition volatile substance pollution environment; 3) mould of the present invention is easy to manufacture, and equipment investment is few under current small-scale application condition, and the product cost obtaining compared with winding, molding method is lower.
Accompanying drawing explanation
Fig. 1 is preparation method's flow chart of the present invention;
Fig. 2 is composite material hexagon shaft tower schematic diagram;
Fig. 3 is reinforced structure unit mould schematic diagram in composite material hexagon shaft tower;
Fig. 4 is reinforced structure cell schematics in composite material hexagon shaft tower;
Fig. 5 is reinforced structure unit combination schematic diagram in composite material hexagon shaft tower;
Fig. 6 is composite material circular pin tower structure schematic diagram;
Fig. 7 is reinforced structure cell schematics in the circular shaft tower of composite material;
Fig. 8 is reinforced structure unit combination schematic diagram in the circular shaft tower of composite material;
Fig. 9 is composite material triangular pelvis tower structure schematic diagram;
Figure 10 is reinforced structure cell schematics in composite material triangle shaft tower;
Figure 11 is reinforced structure unit combination schematic diagram in composite material triangle shaft tower;
In figure, 1 is interior reinforced structure unit, and 2 is enhancement layer, and 3 is interior reinforced structure unit mould.
The specific embodiment
Below in conjunction with accompanying drawing, illustrate the specific embodiment of this invention.
Embodiment 1:
Preparation hexagon composite material pole tower as shown in Figure 2.Material: 1) fortifying fibre, twin shaft is to through compiling glass fabric; 2) matrix resin, epoxy resin.As shown in Figure 3, the material of interior reinforced structure unit mould 3 is aluminium alloys to interior reinforced structure unit mould 3.Its preparation method flow process as shown in Figure 1, comprises following step:
1) interior reinforced structure unit mould 3 pretreatment: with alcohol by interior reinforced structure unit mould 3 surperficial wiped clean, then at interior reinforced structure unit mould 3 surface spraying AXEL S-19C hole sealing agent and AXELX-807 release agents;
2) precast body of reinforced structure unit 1 in preparation: be wound around twin shaft to the precast body of reinforced structure unit 1 in compiling glass fabric, forming, as shown in Figure 4 on pretreated interior reinforced structure unit mould 3;
3) precast body as the interior reinforced structure unit 1 of Fig. 4 of the combination precast body of reinforced structure unit 1 in formation: by step 2) preparing combines, the combination precast body of reinforced structure unit 1 in forming, as shown in Figure 5;
4) prepare external surface enhancement layer 2: in step 3) the combination precast body external surface as the interior reinforced structure unit 1 of Fig. 5 that forms is wound around twin shaft to preparing enhancement layer 2 through compiling glass fabric, obtains the preform of shaft tower;
5) cutting and paving are covered release cloth: the R85PA66 release cloth cutting is laid in to step 4) in the preform surface that obtains, and make it to cover completely the preform of this shaft tower;
6) lay auxiliary material system: at above-mentioned release cloth upper surface, lay water conservancy diversion felt, mozzle and wireway equal vacuum and import moulding technology auxiliary material, and set gum-injecting port and the vacuum pumping opening in die cavity;
7) vacuum bag film sealing: adopt double-layer vacuum bag film (the Vacfilm400Y2600 type vacuum bag that French Aerorac company produces) to seal preform and the auxiliary material system of above-mentioned shaft tower, first with first floor vacuum bag, on mould, seal preform and the auxiliary material system of whole shaft tower, airtight gum-injecting port is also connected extract opening with vacuum pump, then the tightness that vacuumizes and check sealing die cavity (is closed vacuum pump after reach-0.090Mpa of vacuum～-0.1Mpa, pressurize 15 minutes, vacuum allows drop-out value to be less than 50mbar during this time), first floor vacuum bag film packaging air tightness reaches after requirement, with the vacuum bag film of the second layer, seal whole first floor bag film system, and vacuumize and continue to check tightness, until tightness reaches requirement (requirement can continue to keep vacuum),
8) basic resin system mold filling dipping preform: open gum-injecting port the basic resin system stirring and process through deaeration is utilized in negative pressure of vacuum injection moulding die cavity and flooded above-mentioned preform, after basic resin system thorough impregnation preform, close gum-injecting port, and continue to vacuumize the vacuum keeping in shaping mold cavity;
9) curing molding and post processing: the vacuum in solidification process in necessary maintenance shaping mold cavity is until completion of cure carries out the post processings such as the demoulding, finishing and cleaning after having solidified.
Embodiment 2:
Preparation circular composite material pole tower as shown in Figure 6.Material: 1) fortifying fibre, twin shaft is to through compiling glass fabric; 2) matrix resin, vinylite.As shown in Figure 7, the combination of interior reinforced structure unit 1 as shown in Figure 8 in interior reinforced structure unit 1.Its preparation method is identical with embodiment 1.
Embodiment 3:
Preparation triangular-section composite material pole tower as shown in Figure 9.Material: 1) fortifying fibre, twin shaft is to through compiling glass fabric; 2) matrix resin, polyurethane resin.As shown in figure 10, the combination of interior reinforced structure unit 1 as shown in figure 11 in interior reinforced structure unit 1.Its preparation method is identical with embodiment 1.
Finally should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art should, can modify or be equal to replacement technical scheme of the present invention, and not depart from the spirit and scope that the technology of the present invention is put on record.
Claims (8)
1. reinforced composite material shaft tower in a kind, by interior reinforced structure unit (1) and enhancement layer (2), formed, it is characterized in that: described a plurality of interior reinforced structure unit (1) is combined to form the interior reinforced structure of interior reinforced composite material shaft tower, described enhancement layer (2) is wrapped in the interior reinforced structure outside that a plurality of interior reinforced structures unit (1) are combined to form interior reinforced composite material shaft tower.
2. interior reinforced composite material shaft tower according to claim 1, is characterized in that: the cross sectional shape of described interior reinforced composite material shaft tower is hexagon, circle or triangle.
3. interior reinforced composite material shaft tower according to claim 2, is characterized in that: the cross sectional shape of the interior reinforced structure unit (1) of described interior reinforced composite material shaft tower is respectively trapezoidal or fan-shaped.
4. interior reinforced composite material shaft tower according to claim 1, is characterized in that: described interior reinforced structure unit (1) and the fortifying fibre of enhancement layer (2) are a kind of of glass fiber, carbon fiber, aramid fiber, graphite fibre, superhigh molecular weight polyethylene fibers or basalt fibre yarn.
5. interior reinforced composite material shaft tower according to claim 4, is characterized in that: when described shaft tower supports as transmission lines of electricity such as cables, for safety, described fortifying fibre is preferably glass fiber or other non-conductive fibers.
6. according to the interior reinforced composite material shaft tower described in claim 4 or 5, it is characterized in that: the enhanced form of described fortifying fibre is a kind of of plain, twill, satin, unidirectional cloth, multi-shaft warp knitting cloth.
7. interior reinforced composite material shaft tower according to claim 1, is characterized in that: described interior reinforced structure unit (1) and the matrix resin of enhancement layer (2) are a kind of of the thermosetting resins such as epoxy resin, unsaturated polyester resin, vinylite, phenolic resins, polyurethane resin or thermoplastic resin.
8. interior reinforced composite material shaft tower according to claim 1, is characterized in that: the interior reinforced structure of described interior reinforced composite material bar is gone up interior reinforced structure unit (1) by 3 or 3 and constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620178.7U CN203547210U (en) | 2013-09-24 | 2013-09-24 | Internally ribbed composite material tower |
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| CN201320620178.7U CN203547210U (en) | 2013-09-24 | 2013-09-24 | Internally ribbed composite material tower |
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| CN203547210U true CN203547210U (en) | 2014-04-16 |
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| CN201320620178.7U Expired - Fee Related CN203547210U (en) | 2013-09-24 | 2013-09-24 | Internally ribbed composite material tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152603A (en) * | 2016-12-07 | 2017-09-12 | 航天特种材料及工艺技术研究所 | A kind of bistable state shell structure and its manufacture method |
| CN108297454A (en) * | 2017-04-25 | 2018-07-20 | 航天特种材料及工艺技术研究所 | A kind of polymer matrix composites, preparation method and vacuum bag used |
-
2013
- 2013-09-24 CN CN201320620178.7U patent/CN203547210U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152603A (en) * | 2016-12-07 | 2017-09-12 | 航天特种材料及工艺技术研究所 | A kind of bistable state shell structure and its manufacture method |
| CN107152603B (en) * | 2016-12-07 | 2020-08-04 | 航天特种材料及工艺技术研究所 | Bistable shell structure and manufacturing method thereof |
| CN108297454A (en) * | 2017-04-25 | 2018-07-20 | 航天特种材料及工艺技术研究所 | A kind of polymer matrix composites, preparation method and vacuum bag used |
| CN108297454B (en) * | 2017-04-25 | 2019-11-22 | 航天特种材料及工艺技术研究所 | A kind of polymer matrix composites, preparation method and vacuum bag used |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20150924 |
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