CN203051986U - Material conveying pipe - Google Patents
Material conveying pipe Download PDFInfo
- Publication number
- CN203051986U CN203051986U CN 201220699210 CN201220699210U CN203051986U CN 203051986 U CN203051986 U CN 203051986U CN 201220699210 CN201220699210 CN 201220699210 CN 201220699210 U CN201220699210 U CN 201220699210U CN 203051986 U CN203051986 U CN 203051986U
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- outer tube
- fiber
- fiber composite
- composite outer
- material pipeline
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Abstract
The utility model discloses a material conveying pipe. The material conveying pipe comprises an outer fiber composite pipe body and an inner polyurethane lining layer which is arranged on the inner surface of the outer fiber composite pipe body. Through the arrangement, the outer fiber composite pipe body has the advantages of being light in weight and high in strength, the effect that materials are conveyed to a higher and farther place can be achieved, the inner polyurethane lining layer has better abrasion-resistant performance and corrosion-resistant performance, abrasion and corrosion to the material conveying pipe by the materials which are conveyed can be effectively slowed down, and the service life of the material conveying pipe is prolonged. Furthermore, after the inner polyurethane lining layer wears, the inner surface of the outer fiber composite pipe body can be recoated with a novel inner polyurethane lining layer, the material conveying pipe does not need to be replaced directly, and therefore using cost of the material conveying pipe can be greatly saved.
Description
Technical field
The utility model relates to the constructional engineering machinery field, particularly relates to a kind of Material pipeline.
Background technique
Along with popularizing of the mechanized construction of various engineering constructions such as urban construction, road and bridge, be used for the visual plant that concrete mixer that concrete carries becomes the concreting machinery technology.Along with the high speed development of concreting machinery technology, concrete mixer need be transported to concrete higher farther place.
Concrete mixer comprises jib and concrete delivery pipe, and wherein, jib is the cloth arm of scalable or flexion, and concrete delivery pipe is fixed on the jib.In work progress, the cloth arm launches, and the concrete delivery pipe that is fixed on the cloth arm is transported to certain height and distance with concrete.In order to realize that concrete is transported to higher farther place, need concrete delivery pipe to have the characteristics of lightweight.Simultaneously, in order to slow down the concrete that is transferred to wearing and tearing and the corrosion of the inwall of concrete delivery pipe, need concrete delivery pipe to have wear resistance and corrosion resistance preferably.Further, in order to save the user cost of concrete delivery pipe, need concrete delivery pipe to have recoverability, can repair rather than directly change the concrete delivery pipe after the inner wall abrasion.
Traditional concrete delivery pipe is mono-layer tube, and material is metal material, for example: steel, alloyed steel etc.Because the density of metal material is bigger, individual layer concrete delivery pipe run-of-the-mill lays particular stress on.Simultaneously, because metal material is corroded easily, the corrosion resistance of individual layer concrete delivery pipe is relatively poor.The individual layer concrete delivery pipe can reduce the overall flexibility of pipeline in riser tubing inwall wear resistance, pipeline is fractureed easily or ftracture, and therefore under the condition of taking into account toughness and wear resistance, the individual layer concrete delivery pipe can't be realized wear resistance preferably.Simultaneously, the individual layer concrete delivery pipe does not have recoverability, when inwall occur to a certain degree wearing and tearing just need to change, come into operation again after being difficult to repair.Further, there is similar problem equally in the Material pipeline for delivery of unclassified stores such as coals.
The model utility content
The technical problem that the utility model mainly solves provides a kind of lightweight, wear-resisting, anticorrosive and Material pipeline that user cost is low.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of Material pipeline is provided, and this Material pipeline comprises the fiber composite outer tube and is arranged at polyurethane inside liner on the internal surface of fiber composite outer tube.
Wherein, the fiber composite outer tube comprises matrix resin and around the axial winding setting of fiber composite outer tube and the fiber that is bonded together by matrix resin.
Wherein, fiber is at least a in carbon fiber, glass fibre, aramid fibre and the superhigh molecular weight polyethylene fibers, and matrix resin is at least a in unsaturated polyester, epoxy resin, vinylite and the phenolic resin.
Wherein, the fiber layering arranges, wherein the angle of the axial first direction of the winding direction of one deck fiber in the adjacent two layers fiber and the compound outer tube of parallel fibers is spent less than 90 more than or equal to 50 degree, and the angle of the axial first direction of the winding direction of another layer fiber and the compound outer tube of parallel fibers is spent smaller or equal to 130 greater than 90 degree.
Wherein, the thickness of polyurethane inside liner is 2 to 4 millimeters.
The beneficial effects of the utility model are: be different from the situation of prior art, Material pipeline of the present utility model comprises the fiber composite outer tube and is arranged at polyurethane inside liner on the internal surface of fiber composite outer tube.Because the fiber composite outer tube has the light and advantages of high strength of quality, can realize mass transport to higher farther place, and the polyurethane inside liner has wear resistance and corrosion resistance preferably, can effectively slow down the material that is transferred to wearing and tearing and the corrosion of Material pipeline, promote the working life of Material pipeline.Further, after the polyurethane inside liner is worn, can on the internal surface of fiber composite outer tube, applies new polyurethane inside liner again, rather than directly change Material pipeline, the user cost that can save Material pipeline.
Description of drawings
Fig. 1 is the utility model Material pipeline one embodiment's structural representation;
Fig. 2 is the fiber winding direction schematic representation of fiber composite outer tube among Fig. 1;
Fig. 3 is the utility model mass transport tube preparation method one embodiment's flow chart;
Fig. 4 is the flow chart that forms the fiber composite outer tube among Fig. 3 with winding shaping process.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Fig. 1 is the utility model Material pipeline one embodiment's structural representation.As shown in Figure 1, Material pipeline comprises fiber composite outer tube 1 and polyurethane inside liner 2.
Wherein, fiber composite outer tube 1 comprises matrix resin and fiber.Matrix resin is at least a in unsaturated polyester, epoxy resin, vinylite and the phenolic resin.In the present embodiment, matrix resin is selected the epoxy resin of good manufacturability, intensity height, good toughness.Fiber is at least a in carbon fiber, glass fibre, aramid fibre and the superhigh molecular weight polyethylene fibers.In the present embodiment, fiber is selected carbon fiber, particularly intensity at the lucky handkerchief of 3.5Gpa() more than high-strength carbon fibre.
A kind of special fibre that carbon fiber mainly is made up of carbon has the characteristic that proportion is little, intensity is high.The carbon fiber ring epoxy resin composite material that carbon fiber and epoxy resin are composited is compared other composite materials, and the advantage that proportion is little, intensity is high is more obvious.Fiber composite outer tube 1 in the present embodiment mainly is made up of carbon fiber and epoxy resin, and quality is light, advantages of high strength so also just have.Specifically, Material pipeline in the present embodiment is when delivering concrete, with respect to the concrete delivery pipe of existing metal material, in the high-intensity while that guarantees Material pipeline, the weight of Material pipeline reduces more than 50%, can realize concrete is transported to higher farther place.
Please in the lump with reference to Fig. 2, Fig. 2 is the fiber winding direction schematic representation of fiber composite outer tube among Fig. 1.Fiber composite outer tube 1 is by fiber winding forming, and matrix resin is used for fiber is bonded together.The fiber layering arranges, and the winding direction 21 of fiber can be selected according to the circumference stress that Material pipeline need bear with the angle θ of the first direction X of the axis 11 of the compound outer tube 1 of parallel fibers.Specifically, the angle θ of axial 11 first direction X of the winding direction 21 of one deck fiber in the adjacent two layers fiber and the compound outer tube 1 of parallel fibers more than or equal to 50 degree less than 90 degree, and the angle θ of axial 11 first direction X of the winding direction 21 of another layer fiber and the compound outer tube 1 of parallel fibers greater than 90 degree smaller or equal to 130 degree.
Transporting in the process of material, Material pipeline outwards expands under the effect of material and produces hoop and axial stress, wherein the action direction of circumference stress is the circumferencial direction along fiber composite outer tube 1, the action direction of axial stress is axis 11 directions along fiber composite outer tube 1, and the perpendicular and circumference stress of circumference stress and axial stress is far longer than axial stress.
Fiber has very high intensity along the fiber axis direction, and the fiber axis direction is consistent with the winding direction 21 of fiber, that is to say, the angle of the first direction X of the axis 11 of the compound outer tube 1 of fiber axis direction and parallel fibers is θ.At this moment, the intensity that fiber can bear can be decomposed into the intensity that to bear along the circumference stress direction and the intensity that can bear of stress direction vertically, wherein, but but the fiber composite outer tube along bearing strength on the circumference stress direction be fiber along the product of fiber axis direction bearing strength and sin θ, but but be that fiber is along the product of fiber axis direction bearing strength and cos θ along bearing strength on the circumference stress direction.The fiber composite outer tube need bear bigger circumference stress in the practical application, that is to say, the fiber composite outer tube need be along the bigger intensity of bearing on the circumference stress direction.When the angle θ of the first direction of the axis 11 of the winding direction 21 of fiber and the compound outer tube 1 of parallel fibers is less than 90 degree or greater than 90 degree during smaller or equal to arbitrarily angled between 130 degree more than or equal to 50 degree, the absolute value of sin θ is greater than the absolute value of cos θ, but but the fiber composite outer tube along bearing strength on the circumference stress direction greater than fiber composite outer tube bearing strength on the stress direction vertically, satisfy the demand of practical application.Preferably, angle θ be more than or equal to 70 degree less than 90 degree or greater than 90 degree arbitrarily angled smaller or equal between 110 degree, this moment, the absolute value of sin θ was far longer than the absolute value of cos θ, can satisfy the demand of practical application better.
Polyurethane inside liner 2 is arranged at the internal surface 10 of fiber composite outer tube 1, and specifically, polyurethane inside liner 2 is coated in the internal surface 10 of fiber composite outer tube 1.In the present embodiment, the thickness of polyurethane inside liner 2 is 2 to 4 millimeters, and this is that the wear resistance of Material pipeline is more good because the thickness of polyurethane inside liner 2 is more big.
Polyurethane inside liner 2 has very strong adhesive, and combination closely between the internal surface 10 of fiber composite outer tube 1, difficult drop-off, the circumference stress that can prevent polyurethane inside liner 2 and fiber composite outer tube 1 from layering occurring effectively and cause fiber composite outer tube 1 to bear is applied directly on the polyurethane inside liner 2, thus the phenomenon generation that polyurethane inside liner 2 is damaged even ruptures.
Polyurethane inside liner 2 has good wear resistance, in order further to improve the wear resistance of polyurethane inside liner 2, promotes the working life of Material pipeline, in actual applications, can also add high-abrasive materials such as carbon black in polyurethane inside liner 2.
Fiber composite outer tube 1 and polyurethane inside liner 2 in the Material pipeline in the present embodiment have good anti-corrosion and damping performance, can further promote the working life of Material pipeline.
In the practical application, Material pipeline not only for example can be applied to concrete conveying equipment: on the concrete mixer, also can use on the material transfer equipment with other types, for example coal conveying equipment etc.
Fig. 3 is the utility model mass transport tube preparation method one embodiment's flow chart.As shown in Figure 3, this method specifically comprises the steps:
Step S10: a fiber composite outer tube is provided;
In the present embodiment, the fiber composite outer tube forms with winding shaping process, and Wrapping formed can the winding for wet method also can be twined for dry method.It is directly to be wound on the mould behind the fiber impregnation matrix resin that wet method is twined.It is that fiber with pre-soaked matrix resin is wound on the mould to the viscosity flow state through thermoplastic that dry method is twined.
Please in the lump with reference to figure 4, Fig. 4 is the flow chart that forms the fiber composite outer tube among Fig. 3 with winding shaping process.As shown in Figure 4, forming the fiber composite outer tube with winding shaping process specifically comprises the steps:
Step S101: the fiber that will be impregnated with matrix resin is wrapped in the outer surface of mould according to predetermined winding rule;
In the present embodiment, mould is a cast mould, and the external diameter of cast mould is identical with the internal diameter of Material pipeline.Fiber is wound to before the outer surface of mould, at first the outer surface to mould carries out polishing treatment, and the outer surface at mould evenly applies one deck releasing agent then, to guarantee the smooth demoulding.
The fiber that is impregnated with matrix resin is wrapped on the mould from level to level according to predetermined winding rule.Wherein, predetermined winding rule is for making fiber layering setting, wherein the angle of the axial first direction of the winding direction of one deck fiber in the adjacent two layers fiber and the compound outer tube of parallel fibers is spent less than 90 more than or equal to 50 degree, and the angle of the axial first direction of the winding direction of another layer fiber and the compound outer tube of parallel fibers is spent smaller or equal to 130 greater than 90 degree.
Specifically, for example, can select fiber first layer winding direction for and the angle of the axial first direction of the compound outer tube of parallel fibers for more than or equal to 50 degree arbitrarily angled less than between 90 degree, for example, 60 degree.For make the fiber of the second layer and first layer fiber by the fiber composite outer tube axially centered by line be symmetrical arranged, the winding direction of selecting the second layer and the angle of the axial first direction of the compound outer tube of parallel fibers are 120 to spend.The 3rd layer winding direction can selecting fiber then is other angles that differ from 60 degree, for example, 70 degree, accordingly, the 4th layer adjacent winding direction is chosen as 110 degree, twines rule according to this and twines, until reaching predetermined design thickness.
In other embodiments, one deck fiber in the adjacent two layers fiber can comprise one deck at least, for example, two layers, three layers, four layers, the angle of the axial first direction of winding direction and the compound outer tube of parallel fibers is more than or equal to the fiber of 50 degree less than 90 degree, and another layer fiber can comprise one deck at least, for example, two layers, three layers, four layers, the angle of the axial first direction of winding direction and the compound outer tube of parallel fibers is greater than the fiber of 90 degree smaller or equal to 130 degree.
Step S102: the mould that twines fiber is cured processing, to utilize matrix resin fiber is bonded together;
The mould that twines fiber is put into baking oven to be heating and curing.At this moment, the viscosity of matrix resin can in very large range be regulated by temperature, to realize the mutual tight bond of fiber.
Step S103: mould is carried out the demoulding handle, to form the fiber composite outer tube;
After mould to be solidified cools off naturally, mould is carried out the demoulding handle, obtain the fiber composite outer tube.
Step S20: on the internal surface of fiber composite outer tube, apply the polyurethane inside liner;
Before the internal surface of fiber composite outer tube applies the polyurethane inside liner, earlier the internal surface of fiber composite outer tube is carried out sand blast with the roughness of the internal surface that improves the fiber composite outer tube, promote the binding ability of itself and polyurethane inside liner.
Evenly be coated with at the internal surface of fiber composite outer tube and be covered with the first polyurethane inside liner, reach 2 to 4 millimeters until the thickness of the first polyurethane inside liner.In actual applications, can use spray gun to spray, also can use other coating method, not limit at this.
In the Material pipeline using process, the end of fiber composite outer tube is more easy to wear, thus evenly apply finish after, preferably, at the internal surface of the end position of fiber composite outer tube, thickening applies 0.5 to 1 millimeter the second polyurethane inside liner.
Step S30: after the wearing and tearing of polyurethane inside liner, on the internal surface of fiber composite outer tube, apply new polyurethane inside liner again.
After Material pipeline uses a period of time, measure the abrasion condition of polyurethane inside liner, for example: measure with thickness measuring instrument, when the polyurethane inside liner is about to be worn, Material pipeline dismounting back can be applied new polyurethane inside liner again on the internal surface of fiber composite outer tube, come into operation then, can save the user cost of Material pipeline so greatly.
The beneficial effects of the utility model are: compared with prior art, Material pipeline of the present utility model comprises the fiber composite outer tube and is arranged at polyurethane inside liner on the internal surface of fiber composite outer tube.Because the fiber composite outer tube has the light and advantages of high strength of quality, can realize mass transport to higher farther place, and the polyurethane inside liner has wear resistance and corrosion resistance preferably, can effectively slow down the material that is transferred to wearing and tearing and the corrosion of Material pipeline, promote the working life of Material pipeline.Further, after the polyurethane inside liner is worn, can on the internal surface of fiber composite outer tube, applies new polyurethane inside liner again, rather than directly change Material pipeline, the user cost that can save Material pipeline.
The above only is mode of execution of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. a Material pipeline is characterized in that, described Material pipeline comprises the fiber composite outer tube and is arranged at polyurethane inside liner on the internal surface of described fiber composite outer tube.
2. Material pipeline according to claim 1 is characterized in that, described fiber composite outer tube comprises matrix resin and around the axial winding setting of described fiber composite outer tube and the fiber that is bonded together by described matrix resin.
3. Material pipeline according to claim 2, it is characterized in that, described fiber is at least a in carbon fiber, glass fibre, aramid fibre and the superhigh molecular weight polyethylene fibers, and described matrix resin is at least a in unsaturated polyester, epoxy resin, vinylite and the phenolic resin.
4. Material pipeline according to claim 2, it is characterized in that, described fiber layering arranges, wherein the winding direction of the described fiber of one deck in the described fiber of adjacent two layers is spent less than 90 more than or equal to 50 degree with the angle of the axial first direction of parallel described fiber composite outer tube, and the described winding direction of the described fiber of another layer is spent smaller or equal to 130 greater than 90 degree with the angle of the described axial described first direction of parallel described fiber composite outer tube.。
5. Material pipeline according to claim 1 is characterized in that, the thickness of described polyurethane inside liner is 2 to 4 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220699210 CN203051986U (en) | 2012-12-17 | 2012-12-17 | Material conveying pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220699210 CN203051986U (en) | 2012-12-17 | 2012-12-17 | Material conveying pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051986U true CN203051986U (en) | 2013-07-10 |
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ID=48734939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220699210 Expired - Fee Related CN203051986U (en) | 2012-12-17 | 2012-12-17 | Material conveying pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672196A (en) * | 2018-07-19 | 2018-10-19 | 珠海格力智能装备有限公司 | Anti-corrosion mechanism and angle pipe equipment with it |
| CN113290898A (en) * | 2021-05-25 | 2021-08-24 | 安徽杰蓝特新材料有限公司 | Corrosion-resistant drainage pipeline and preparation method thereof |
-
2012
- 2012-12-17 CN CN 201220699210 patent/CN203051986U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672196A (en) * | 2018-07-19 | 2018-10-19 | 珠海格力智能装备有限公司 | Anti-corrosion mechanism and angle pipe equipment with it |
| CN108672196B (en) * | 2018-07-19 | 2023-12-08 | 珠海格力智能装备有限公司 | Corrosion prevention mechanism and pipe bending equipment with same |
| CN113290898A (en) * | 2021-05-25 | 2021-08-24 | 安徽杰蓝特新材料有限公司 | Corrosion-resistant drainage pipeline and preparation method thereof |
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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: 20130710 Termination date: 20161217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |