CN203273022U - Composite material sandwich structure cable bridge - Google Patents
Composite material sandwich structure cable bridge Download PDFInfo
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- CN203273022U CN203273022U CN 201320295673 CN201320295673U CN203273022U CN 203273022 U CN203273022 U CN 203273022U CN 201320295673 CN201320295673 CN 201320295673 CN 201320295673 U CN201320295673 U CN 201320295673U CN 203273022 U CN203273022 U CN 203273022U
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- composite material
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Abstract
The utility model discloses a composite material sandwich structure cable bridge which is convenient to popularize and construct and capable of effectively improving rigidity and achieving high load bearing and a large span. The composite material sandwich structure cable bridge comprises a groove type unit and a cover plate unit. The groove type unit comprises side plates and a bottom plate. The structure of the side plates and the bottom plate is one or the combination of the following four modes of a solid shell body composed of composite material face layers, a sandwich solid body composed of the composite material face layers and sandwich materials, a sandwich solid body composed of the composite material face layers and lattice webs and a sandwich solid body composed of the composite material face layers, the sandwich materials and the lattice webs. The solid shell body structure is adopted by at most one of the side plates and the bottom plate. The composite material sandwich structure cable bridge can be arranged on large-scale communication and electric power transmission lines of a subway, a bridge and the like.
Description
Technical field
The utility model relates to a kind of cable testing bridge structure, relate in particular to a kind of channel-type cable bridge that adopts composite material to make, specifically a kind ofly arrange on the large-scale communications such as subway, bridge and power transmission line, can realize the composite material sandwich structure cable testing bridge of high-mechanic, large scale, longspan.
Background technique
Along with the further enforcement of China's strategy to develop western regions, the construction of the Infrastructure such as China's traffic, communication has welcome the new cycle.For many years, people pass through to have recognized gradually the superiority of glass fiber reinforced plastics composite material crane span structure from the changing process of timber, iron plate, galvanized sheet paste in one's hands, moulded glass reinforced plastic cable bridge frame for the material of cable testing bridge.Development along with modern industry, modern factory building span is increased, the proposition that subway, bridge cable testing bridge used increase the service life, require to use non-maintaining, corrosion-resistant, the composite material crane span structure of high-strength light, the development that particularly can adapt to the dragging and squeezing glass fiber reinforced plastics crane span structure of large scale, longspan has received people's concern.
In the crane span structure application facet, China's industry recommended standard " cable testing bridge standard " (JB/T10216-2000) has been made explicit stipulation to the use of steel bridge frame at present, but the use specification of glass fiber reinforced plastic bridge is not carried out clear.For glass fiber reinforced plastic bridge, main one-way glass cellosilk or the tow material of adopting made crane span structure by pultrude process at present in addition.This crane span structure is the single line fiber due to what use, so co-ordination difference is large, and because the glass fibre reinforced plastics Young's modulus is about 1/10 of steel, glass fiber reinforced plastic bridge rigidity is lower, thus in, the Large bridge shelf structure, the main steel of using on market.But, steel humidity expose environment in perishable, it is carried out zinc-plated or can improve much with the aluminum alloy cost.
Therefore, have two-way cloth as surface layer, the sandwich structure crane span structure of filling core is in following bridge and subway etc., have broad application prospects in the Large bridge shelf structure.
The model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of and be convenient to promote, easy construction can effectively improve rigidity, can realize the grooved composite material portal structure of high-mechanic, longspan.
The technical solution adopted in the utility model is: a kind of composite material sandwich structure cable testing bridge comprises groove segment and cover plate unit;
Described groove segment comprises side plate and base plate, and described side plate and bottom plate structure are one of following four kinds of forms or combination:
The solid housing that composite faces consists of;
The interlayer entity that composite faces and sandwich material form;
The interlayer entity that composite faces and lattice web form;
The interlayer entity that composite faces and sandwich material, lattice web form;
Described side plate and base plate can only have at most one to adopt composite faces to consist of solid shell construction.
As preferably, described composite faces and lattice web adopt fiber and resin to make, this fiber selects at least a in carbon fiber, glass fibre, basalt fibre, aramid fibre, mixed fibre, resin to select at least a in unsaturated polyester, adjacent benzene resin, vinylite, epoxy resin, inorganic resin or thermoplastic resin material.
As preferably, described sandwich material is polyurethane foam, polyvinyl chloride foam, carbon foam, PEI foam and PMI foam, foamed aluminium, foam sand, Balsa wood, paulownia wood, China fir, strong core felt, chain link fence, at least a in reinforcing bar and flat steel disc.
As preferably, in described composite faces and lattice web the laying of fibre cloth be that individual layer is unidirectional, single-layer bidirectional, multilayer is unidirectional or multi-layer and multi-directional at least a.The angle that described lattice web and composite faces intersect is optional, but is preferably quadrature arrangement in length and breadth.
As preferably, described cover plate unit is a kind of in composite material, PP, PVC and aluminium material, and wherein the composite material cover plate is composite faces and space lattice body, and/or the interlayer entity of sandwich material, the housing that perhaps only has composite faces to form.
As preferably, the side plate of described groove segment is straight wall, circular arc, " I " shape, inverted "L" shaped, inverse-T-shaped.
As preferably, described groove segment is connected by draw-in groove with cover plate unit, and draw-in groove is groove, tongue or do not stay groove, and cover plate unit is made of cover plate neutral straight section and draw-in groove.
As preferably, described groove segment and cover plate directly use fastening piece to fix, and fastening piece is bolt, nylon rod or pin; Or the mode of employing link and fastener combination.
The utility model is take resin as matrix, and as reinforcing material, the middle core of filling with the lattice web, can adopt conventional low contact or the moulding of vacuum introducing technology in the middle of core, also can adopt pultrude process to realize continization production with composite material.
The utility model has the following advantages compared to existing technology:
1, the utility model grooved crane span structure adopts sandwich structure, has effectively improved rigidity and the bearing capacity of composite material crane span structure; When surface layer adopted two-way weave cloth, its vertical transverse strength difference was little, can realize longspan, the large scale design of composite material crane span structure.
2, the surface layer of the utility model grooved crane span structure adopts resin base fiber reinforced composite material, and its decay resistance is extremely superior, can use under the various rugged environment such as acid, alkali, seawater, therefore is specially adapted at bridge spanning the sea tunnel or subway etc.
3, the utility model is produced as using pultrude process, and span can be selected according to actual conditions, and the steady quality of product, and manufacturing efficiency is high.
4, the utility model improves its rigidity by making sandwich structure at the middle interpolation of composite faces light-weight filler, and is lower than steel or simple composite material crane span structure cost with rigidity.
5, grooved sandwich structure crane span structure base plate of the present utility model and side plate flexible design, applied widely, both can be used for the transformation of existing crane span structure facility, also can be used for the construction of newly-built big-and-middle-sized crane span structure facility.
Description of drawings
Fig. 1 is grooved sandwich structure crane span structure organigram of the present utility model;
Fig. 2-Fig. 7 is grooved sandwich structure crane span structure section form schematic diagram of the present utility model;
Fig. 8 is grooved crane span structure embodiment of the present utility model 1 schematic diagram;
Fig. 9 is grooved crane span structure embodiment of the present utility model 2 schematic diagram;
Figure 10 is grooved crane span structure embodiment of the present utility model 3 schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1: a kind of composite material sandwich structure cable testing bridge comprises groove segment 1 and cover plate unit 2;
Described groove segment 1 comprises side plate 4 and base plate 3, and described side plate 4 and base plate 3 structures are one of following four kinds of forms or combination:
The solid housing that composite faces 6 consists of;
The interlayer entity that composite faces 6 and sandwich material 7 form;
The interlayer entity that composite faces 6 and lattice web 8 form;
The interlayer entity that composite faces 6 and sandwich material 7, lattice web 8 form;
Described side plate 4 and base plate 3 can only have at most one to adopt composite faces 6 to consist of solid shell construction.
Described composite faces 6 adopts fiber and resin to make with lattice web 8, this fiber selects at least a in carbon fiber, glass fibre, basalt fibre, aramid fibre, mixed fibre, resin to select at least a in unsaturated polyester, adjacent benzene resin, vinylite, epoxy resin, inorganic resin or thermoplastic resin material.Described sandwich material 7 is polyurethane foam, polyvinyl chloride foam, carbon foam, PEI foam and PMI foam, foamed aluminium, foam sand, Balsa wood, paulownia wood, China fir, strong core felt, chain link fence, at least a in reinforcing bar and flat steel disc.In described composite faces 6 and lattice web 8 laying of fibre cloth be that individual layer is unidirectional, single-layer bidirectional, multilayer is unidirectional or multi-layer and multi-directional at least a.Described lattice web 8 is optional with the angle that composite faces 6 intersects, but is preferably quadrature arrangement in length and breadth.Described cover plate unit 2 is a kind of in composite material, PP, PVC and aluminium material, and wherein the composite material cover plate is composite faces and space lattice body, and/or the interlayer entity of sandwich material, the housing that perhaps only has composite faces to form.The side plate 4 of described groove segment 1 is straight wall, circular arc, " I " shape, inverted "L" shaped, inverse-T-shaped.Described groove segment 1 is connected by draw-in groove 9 with cover plate unit 2, perhaps directly uses fastening piece to fix, and fastening piece is bolt, nylon rod or pin; Or the mode of employing link and fastener combination.Draw-in groove 9 is groove, tongue or do not stay groove, and cover plate unit 2 is made of cover plate neutral straight section 5 and draw-in groove 9.
Fig. 2-Fig. 7 is the various section forms of groove segment 1.
Embodiment 1
As shown in Figure 8, a kind of composite material sandwich structure cable testing bridge, this structure is comprised of groove segment 1, cover plate unit 2.Described groove segment 1 comprises side plate 4 and base plate 3, groove segment 1 is by composite faces 6 and be filled in the interlayer entity that in surface layer, sandwich material 7 and lattice web 8 form, and composite faces 6 forms solid housing for glass fibre and vinylite hot setting; Sandwich packing material 7 in composite faces 6 is selected the paulownia wood core, and lattice web 8 is arranged between the paulownia wood core, and this lattice web 8 is formed along the multi-layer and multi-directional laying after glass fiber cloth by twin shaft, then adopts the one-body molded groove segment 1 of pultrude process.After factory prepares groove segment 1, cover plate unit 2 is directly formed by the pultrusion of glass fibre unidirectional fibre bundle up and down outer surface overlay one deck glass felt, directly cover plate is covered on groove segment 1 in the erecting bed, make it form the closed grooved composite material sandwich structure crane span structure that is complementary with groove segment 1.Described groove segment 1 is connected by draw-in groove 9 with cover plate unit 2, and cover plate unit 2 is made of cover plate neutral straight section 5 and draw-in groove 9.
Embodiment 2
As shown in Figure 9, a kind of composite material sandwich structure cable testing bridge, this crane span structure adopt groove segment 1 base plate 3 for sandwich structure side plate 4 is the laminate form, can be used for the heavy-weight pipe lines conveying equipment of newly-built subway, bridge and tunnel structure.This structure is comprised of groove segment 1, cover plate unit 2 and fastening piece 10.Groove segment 1 is comprised of side plate 4 and base plate 3, and side plate 4 is comprised of composite faces 6, and it forms solid housing by glass fibre and vinylite hot setting, and side plate 4 is shaped as inverted "L" shaped, is later stage assembly unit punching in the upper end.And base plate 3 is by composite faces 6 be filled in that in surface layer, sandwich material 7 forms, without the lattice web.Adopt again the one-body molded groove segment 1 of pultrude process.After factory prepared groove segment 1, cover plate unit 2 was aluminium matter thin plate.Adopt bolt to be fixed on groove segment 1 as fastening piece 10 in the erecting bed, make it form the closed grooved composite material sandwich structure crane span structure that is complementary with groove segment 1.
As shown in figure 10, a kind of composite material sandwich structure cable testing bridge, it is the laminate form for hollow shell structure side plate 4 with ribbing that this crane span structure adopts groove segment 1 base plate 3, the heavy-weight pipe lines conveying equipment that can be used for newly-built subway, bridge and tunnel structure also can be used for replacing damaged crane span structure sections.This structure is comprised of groove segment 1 and cover plate unit 2.Groove segment 1 is comprised of side plate 4 and base plate 3 and consists of, the solid housing of composite faces 6 formations that side plate 4 forms for glass fibre and ethylene high temperature resin solidification, it is shaped as down " I " shape, base plate 3 is hollow shell structure with ribbing, and it is made of diagonal rib lattice web 8 and composite faces 6.Groove segment 1 passes through the one-body molded groove segment 1 of pultrude process hot setting by glass fibre and vinylite.After factory prepares groove segment 1, cover plate unit 2 is squeezed by the two-way Bradley of glass fibre and forms with groove segment 1 with the dual-side of the span sheet material with draw-in groove 9, directly cover plate is advanced along draw-in groove 9 by a side in the erecting bed, make it form the closed grooved composite material sandwich structure crane span structure that is complementary with groove segment 1.
Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.In the present embodiment not clear and definite each constituent element all available prior art realized.
Claims (6)
1. a composite material sandwich structure cable testing bridge, is characterized in that: comprise groove segment and cover plate unit;
Described groove segment comprises side plate and base plate, and described side plate and bottom plate structure are one of following four kinds of forms or combination:
The solid housing that composite faces consists of;
The interlayer entity that composite faces and sandwich material form;
The interlayer entity that composite faces and lattice web form;
The interlayer entity that composite faces and sandwich material, lattice web form;
Described side plate and base plate can only have at most one to adopt composite faces to consist of solid shell construction.
2. a kind of composite material sandwich structure cable testing bridge according to claim 1 is characterized in that: in described composite faces and lattice web the laying of fibre cloth be that individual layer is unidirectional, single-layer bidirectional, multilayer is unidirectional or multi-layer and multi-directional at least a.
3. a kind of composite material sandwich structure cable testing bridge according to claim 1, it is characterized in that: described cover plate unit is a kind of in composite material, PP, PVC and aluminium material, wherein the composite material cover plate is composite faces and space lattice body, and/or the interlayer entity of sandwich material, the housing that perhaps only has composite faces to form.
4. a kind of composite material sandwich structure cable testing bridge according to claim 1, it is characterized in that: the side plate of described groove segment is straight wall, circular arc, " I " shape, inverted "L" shaped, inverse-T-shaped.
5. a kind of composite material sandwich structure cable testing bridge according to claim 1, it is characterized in that: described groove segment is connected by draw-in groove with cover plate unit, and draw-in groove is groove, tongue or do not stay groove, cover plate unit is made of cover plate neutral straight section and draw-in groove.
6. a kind of composite material sandwich structure cable testing bridge according to claim 1, it is characterized in that: described groove segment and cover plate directly use fastening piece to fix, and fastening piece is bolt, nylon rod or pin; Or the mode of employing link and fastener combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320295673 CN203273022U (en) | 2013-05-24 | 2013-05-24 | Composite material sandwich structure cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320295673 CN203273022U (en) | 2013-05-24 | 2013-05-24 | Composite material sandwich structure cable bridge |
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| Publication Number | Publication Date |
|---|---|
| CN203273022U true CN203273022U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320295673 Expired - Fee Related CN203273022U (en) | 2013-05-24 | 2013-05-24 | Composite material sandwich structure cable bridge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244753A (en) * | 2013-05-24 | 2013-08-14 | 南京工业大学 | Composite sandwich structure cable bridge |
| CN103644371A (en) * | 2013-11-21 | 2014-03-19 | 无锡睿网科技有限公司 | Cable buckle frame applicable to installation |
| CN104032669A (en) * | 2014-06-03 | 2014-09-10 | 南京工业大学 | Bridge box type girder of interlayer structure |
-
2013
- 2013-05-24 CN CN 201320295673 patent/CN203273022U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244753A (en) * | 2013-05-24 | 2013-08-14 | 南京工业大学 | Composite sandwich structure cable bridge |
| CN103644371A (en) * | 2013-11-21 | 2014-03-19 | 无锡睿网科技有限公司 | Cable buckle frame applicable to installation |
| CN104032669A (en) * | 2014-06-03 | 2014-09-10 | 南京工业大学 | Bridge box type girder of interlayer structure |
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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: 20131106 Termination date: 20170524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |