CN104214444A - Reinforced glass fiber composite material pipe - Google Patents
Reinforced glass fiber composite material pipe Download PDFInfo
- Publication number
- CN104214444A CN104214444A CN201410425350.2A CN201410425350A CN104214444A CN 104214444 A CN104214444 A CN 104214444A CN 201410425350 A CN201410425350 A CN 201410425350A CN 104214444 A CN104214444 A CN 104214444A
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- China
- Prior art keywords
- composite material
- material tube
- stiffening rib
- glass fiber
- reinforced
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a reinforced glass fiber composite material pipe. Reinforcement ribs with certain densities and sizes are arranged on the wall of the composite material pipe in a penetrating manner, so that reinforcement layers which are arrayed in a radial manner by taking a longitudinal shaft of the composite material pipe as a center are formed; furthermore, a plurality of reinforcement layers are arranged along the extending direction of the axial direction of the composite material pipe; first reinforcement ribs and second reinforcement ribs which are different are connected between the multiple reinforcement layers, so that a longitudinally and transversely interwoven meshed framework arranged in the pipe wall in a penetrating manner is formed; the structural intensity, in particular the axial shear strength, of the composite material pipe is effectively improved, and the shear strength is improved to be greater than 70mpa; a use requirement under a severe condition is met; in addition, the reinforced glass fiber composite material pipe has the advantages of simple technology and low additional cost.
Description
Technical field
The present invention relates to composite material tube field, particularly relate to a kind of reinforced glass fiber composite material tube.
Background technique
Glass fiber reinforced plastic pipe is the tubing formed by the glass fibre being impregnated with synthetic resin, is mainly used in upper and lower water course pipe, gas supply pipe and industrial pipeline etc.Glass fiber reinforced plastic pipe generally forms by being wound around fibre technology manufacture, when glass fibre reaches design thickness with certain winding angle and shape winding, takes off, is cured by certain rotation, form glass fiber reinforced plastic pipe finished product from Stetch Wrapping Machine.
But, when after deep processing glass fiber reinforced plastic pipe being carried out to various shape, the shearing strength that can bear vertically in use only can reach 30-40mpa, often be damaged higher than tubing during this intensity, therefore, be greater than the condition of 40mpa in Environmental Conditions under, general glass fiber reinforced plastic pipe often can not meet usage requirement.
Summary of the invention
The object of the invention is to the deficiency for general glass fiber reinforced plastic pipe, a kind of reinforced glass fiber composite material tube is provided, by wearing the stiffening rib of certain density and size at tube wall, increase the shearing strength of glass fiber reinforced plastic pipe, especially shearing strength is vertically greatly improved, and meets usage requirement.
Technological scheme of the present invention is:
A kind of reinforced glass fiber composite material tube, wherein, comprising:
Composite material tube body, it is the hollow tubular structure suppressed by laminated glass fiber;
Stiffening rib, it comprises the first stiffening rib and the second stiffening rib, wherein said first stiffening rib be cross-sectional direction along described composite material tube and with the central axis of composite material tube be located in the Cylindrical object of described composite material tube wall, what described multiple first stiffening rib composition was axle center radiate with the central shaft of described composite material tube is in conplane reinforced layer, and the axial bearing of trend of described composite material tube is provided with multiple described reinforced layer;
Described second stiffening rib be arranged between adjacent reinforced layer and from the adjacent end to end Cylindrical object of the first stiffening rib be in different reinforced layer.
Preferably, in described reinforced glass fiber composite material tube, the surface of described first stiffening rib is provided with contrary with the cutting direction branch for increasing the first stiffening rib and composite material tube wall area of contact, the quantity of described branch is multiple, and described multiple branch is in described first stiffening rib surface uniform distribution.
Preferably, in described reinforced glass fiber composite material tube, described first stiffening rib and the second stiffening rib are less than tail diameter along the end diameter cutting direction, form one and are easy to the wedge-shaped structure cutting described composite material tube body.
Preferably, in described reinforced glass fiber composite material tube, the distance between adjacent first stiffening rib of described same reinforced layer is set to 40-60mm, and the distance between adjacent two reinforced layers is also set to 40-60mm.
Preferably, in described reinforced glass fiber composite material tube, described second stiffening rib is provided with the angle of inclination of 30-60 degree along the cross-sectional direction of described composite material tube.
Preferably, in described reinforced glass fiber composite material tube, described first stiffening rib and the second stiffening rib are identical with the material forming described composite material tube body, and after making described composite material tube cooling forming, described stiffening rib and described composite material tube ontology fusion are fixed.
Preferably, in described reinforced glass fiber composite material tube, the external diameter of described composite material tube is 80-100mm, internal diameter is 10-19mm, the pipe thickness of described composite material tube is 60-90mm, the diameter of described first stiffening rib is 5-8mm, and the length of described first stiffening rib is as the criterion with the internal surface 5-10mm apart from described composite material tube.
Preferably, in described reinforced glass fiber composite material tube, the glass fibre forming described composite material tube soaks through unsaturated polyester resin and obtains.
Preferably, in described reinforced glass fiber composite material tube, be added with the lamination material for increasing composite material tube structural strength between the laminated glass fiber of described composite material tube, described lamination material is bisphenol A type epoxy resin.
The present invention has following beneficial effect: in a kind of reinforced glass fiber composite material tube of the present invention, by wearing the stiffening rib of certain density and size at composite material tube wall, form the reinforced layer of radiate centered by the composite material tube longitudinal axis, and along the axial bearing of trend of composite material tube, multiple reinforced layer is set, the second stiffening rib connecting different first stiffening rib is also provided with between multiple reinforced layer, define the mesh skeleton interweaved in length and breadth be located in tube wall, effectively increase the structural strength of composite material tube, especially axial shearing strength, shearing strength is made to be increased to more than 70mpa, meet the usage requirement under demanding conditions, there is the simple and advantage that fringe cost is low of technique simultaneously.
Accompanying drawing explanation
Fig. 1 is the longitudinal section structural representation of reinforced glass fiber composite material tube of the present invention;
Fig. 2 is the cross-sectional structure schematic diagram of reinforced glass fiber composite material tube of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated, can implement according to this after consulting this specification to make those of ordinary skill in the art.
As shown in Figures 1 and 2, a kind of reinforced glass fiber composite material tube, wherein, comprising:
Composite material tube body, it is the hollow tubular structure suppressed by laminated glass fiber;
Stiffening rib, it comprises the first stiffening rib 2 and the second stiffening rib 3, wherein said first stiffening rib 2 be cross-sectional direction along described composite material tube 1 and with the central axis of composite material tube 1 be located in the Cylindrical object of described composite material tube 1 tube wall, described multiple first stiffening rib 2 forms with the central shaft of described composite material tube 1, and to be axle center radiate be in conplane reinforced layer, and the axial bearing of trend of described composite material tube 1 is provided with multiple described reinforced layer; Distance between adjacent first stiffening rib 2 of described same reinforced layer is set to 40-60mm, and the distance between adjacent two reinforced layers is also set to 40-60mm.Described first stiffening rib 2 and the second stiffening rib 3 are identical with the material forming described composite material tube body, and after making described composite material tube 1 cooling forming, described stiffening rib and described composite material tube ontology fusion are fixed.
The external diameter of composite material tube 1 described in the present invention is 80-100mm, internal diameter is 10-19mm, the pipe thickness of described composite material tube 1 is 60-90mm, the diameter of described first stiffening rib 2 is 5-8mm, and the length of described first stiffening rib 2 is to be as the criterion apart from the internal surface 5-10mm of described composite material tube 1.Described stiffening rib before composite material tube 1 is not cured, utilizes mechanical external force that the Cylindrical object of material identical with composite material tube 1 is cut tube wall form, the length that described first stiffening rib 2 is cut and the structure of density required for composite material tube 1 and shearing strength size and determine, cut-in length is larger, shearing strength is larger, can meet the requirement in different Environmental Conditions.After incision stiffening rib, composite material tube 1 is cured, then because stiffening rib is consistent with the material of tube wall, there is certain fusion in meeting and composite material tube 1, thus form the steel frame interweaved within composite material tube 1 tube wall, increase considerably the mechanical strength of composite material tube 1 and axial shearing strength.
Described second stiffening rib 3 for be arranged between adjacent reinforced layer and from the adjacent end to end Cylindrical object of the first stiffening rib 2 be in different reinforced layer.Second stiffening rib 3 can play further humidification on the basis of the first stiffening rib 2, described second stiffening rib 3 is provided with the angle of inclination of 30-60 degree along the cross-sectional direction of described composite material tube 1, second stiffening rib 3 is cut obliquely from the point of penetration of the first stiffening rib 2, until arrive the end of the first corresponding stiffening rib 2, adjacent first stiffening rib 2 between different reinforced layer is rigidly connected, forms more firmly solid geometry and support.
In described reinforced glass fiber composite material tube, the surface of described first stiffening rib 2 is provided with contrary to cutting direction the branch of the first stiffening rib 2 with composite material tube wall area of contact, the quantity of described branch is multiple, and described multiple branch is in described first stiffening rib 2 surface uniform distribution.The length of described branch is unsuitable long, can be set to 1-2mm, and have the angle of 10-30 degree between the first stiffening rib 2, does not affect the incision of the first stiffening rib 2 on the one hand, and another aspect forms the barb that can play and well strengthen the rear soundness of incision.
In described reinforced glass fiber composite material tube, described first stiffening rib 2 and the second stiffening rib 3 are less than tail diameter along the end diameter cutting direction, form one and be easy to the wedge-shaped structure cutting described composite material tube body, stiffening rib is more easily cut within tube wall.
In described reinforced glass fiber composite material tube, the glass fibre forming described composite material tube 1 soaks through unsaturated polyester resin and obtains.
In described reinforced glass fiber composite material tube, the lamination material for increasing composite material tube 1 structural strength is added with between the laminated glass fiber of described composite material tube 1, described lamination material is bisphenol A type epoxy resin, effectively can increase the adhesion strength between laminated glass fiber.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification and mode of execution utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. a reinforced glass fiber composite material tube, is characterized in that, comprising:
Composite material tube body, it is the hollow tubular structure suppressed by laminated glass fiber;
Stiffening rib, it comprises the first stiffening rib and the second stiffening rib, wherein said first stiffening rib be cross-sectional direction along described composite material tube and with the central axis of composite material tube be located in the Cylindrical object of described composite material tube wall, what described multiple first stiffening rib composition was axle center radiate with the central shaft of described composite material tube is in conplane reinforced layer, and the axial bearing of trend of described composite material tube is provided with multiple described reinforced layer;
Described second stiffening rib be arranged between adjacent reinforced layer and from the adjacent end to end Cylindrical object of the first stiffening rib be in different reinforced layer.
2. reinforced glass fiber composite material tube as claimed in claim 1, it is characterized in that, the surface of described first stiffening rib is provided with contrary with the cutting direction branch for increasing the first stiffening rib and composite material tube wall area of contact, the quantity of described branch is multiple, and described multiple branch is in described first stiffening rib surface uniform distribution.
3. reinforced glass fiber composite material tube as claimed in claim 2, is characterized in that, described first stiffening rib and the second stiffening rib are less than tail diameter along the end diameter cutting direction, forms one and is easy to the wedge-shaped structure cutting described composite material tube body.
4. reinforced glass fiber composite material tube as claimed in claim 3, it is characterized in that, the distance between adjacent first stiffening rib of described same reinforced layer is set to 40-60mm, and the distance between adjacent two reinforced layers is also set to 40-60mm.
5. reinforced glass fiber composite material tube as claimed in claim 1, is characterized in that, described second stiffening rib is provided with the angle of inclination of 40-60 degree along the cross-sectional direction of described composite material tube.
6. the reinforced glass fiber composite material tube as described in claim 4 or 5, it is characterized in that, described first stiffening rib and the second stiffening rib are identical with the material forming described composite material tube body, and after making described composite material tube cooling forming, described stiffening rib and described composite material tube ontology fusion are fixed.
7. reinforced glass fiber composite material tube as claimed in claim 1, it is characterized in that, the external diameter of described composite material tube is 80-100mm, internal diameter is 10-19mm, the pipe thickness of described composite material tube is 60-90mm, the diameter of described first stiffening rib is 5-8mm, and the length of described first stiffening rib is as the criterion with the internal surface 5-10mm apart from described composite material tube.
8. reinforced glass fiber composite material tube as claimed in claim 1, is characterized in that, the glass fibre forming described composite material tube soaks through unsaturated polyester resin and obtains.
9. reinforced glass fiber composite material tube as claimed in claim 8, it is characterized in that, be added with the lamination material for increasing composite material tube structural strength between the laminated glass fiber of described composite material tube, described lamination material is bisphenol A type epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425350.2A CN104214444B (en) | 2014-08-26 | A kind of reinforced glass fiber composite material tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425350.2A CN104214444B (en) | 2014-08-26 | A kind of reinforced glass fiber composite material tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214444A true CN104214444A (en) | 2014-12-17 |
| CN104214444B CN104214444B (en) | 2017-01-04 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881522A (en) * | 1972-09-13 | 1975-05-06 | Kaiser Glass Fiber Corp | Unidirectional webbing material |
| US3967650A (en) * | 1972-12-05 | 1976-07-06 | Vera Fabrikker A/S | Pipes |
| US4025680A (en) * | 1976-03-05 | 1977-05-24 | Johns-Manville Corporation | Curvable fibrous thermal insulation |
| CN2607503Y (en) * | 2003-04-04 | 2004-03-24 | 吴懋川 | Composite pipe |
| CN101368652A (en) * | 2007-08-17 | 2009-02-18 | 杨兆敏 | Glass fiber reinforced plastic manometer tube |
| CN102305344A (en) * | 2011-08-23 | 2012-01-04 | 深圳金鸿机械制造有限公司 | Reinforced thermoplastic composite structure wall-pipe pipe workpiece and strip material and complete set of production devices thereof |
| CN202852217U (en) * | 2012-10-19 | 2013-04-03 | 湖南潇湘源科技开发有限责任公司 | High-pressure-resisting glass fiber reinforced plastic pipeline |
| CN103511761A (en) * | 2013-09-22 | 2014-01-15 | 江苏百安居管业有限公司 | Trenchless polyethylene pipe and manufacturing method thereof |
| CN103672198A (en) * | 2013-11-01 | 2014-03-26 | 安徽邦尼新材料有限公司 | Novel plastic reinforcing rib for reinforcing winding pipe and manufacturing method of novel plastic reinforcing rib |
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881522A (en) * | 1972-09-13 | 1975-05-06 | Kaiser Glass Fiber Corp | Unidirectional webbing material |
| US3967650A (en) * | 1972-12-05 | 1976-07-06 | Vera Fabrikker A/S | Pipes |
| US4025680A (en) * | 1976-03-05 | 1977-05-24 | Johns-Manville Corporation | Curvable fibrous thermal insulation |
| CN2607503Y (en) * | 2003-04-04 | 2004-03-24 | 吴懋川 | Composite pipe |
| CN101368652A (en) * | 2007-08-17 | 2009-02-18 | 杨兆敏 | Glass fiber reinforced plastic manometer tube |
| CN102305344A (en) * | 2011-08-23 | 2012-01-04 | 深圳金鸿机械制造有限公司 | Reinforced thermoplastic composite structure wall-pipe pipe workpiece and strip material and complete set of production devices thereof |
| CN202852217U (en) * | 2012-10-19 | 2013-04-03 | 湖南潇湘源科技开发有限责任公司 | High-pressure-resisting glass fiber reinforced plastic pipeline |
| CN103511761A (en) * | 2013-09-22 | 2014-01-15 | 江苏百安居管业有限公司 | Trenchless polyethylene pipe and manufacturing method thereof |
| CN103672198A (en) * | 2013-11-01 | 2014-03-26 | 安徽邦尼新材料有限公司 | Novel plastic reinforcing rib for reinforcing winding pipe and manufacturing method of novel plastic reinforcing rib |
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Granted publication date: 20170104 Termination date: 20170826 |
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