CN110583355A - Steel bar/fiber reinforced plastic composite support rod and preparation method thereof - Google Patents
Steel bar/fiber reinforced plastic composite support rod and preparation method thereof Download PDFInfo
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- CN110583355A CN110583355A CN201910818724.XA CN201910818724A CN110583355A CN 110583355 A CN110583355 A CN 110583355A CN 201910818724 A CN201910818724 A CN 201910818724A CN 110583355 A CN110583355 A CN 110583355A
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- Prior art keywords
- steel bar
- fiber reinforced
- reinforced plastic
- support rod
- plastic composite
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/04—Supports for hops, vines, or trees
- A01G17/14—Props; Stays
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/12—Supports for plants; Trellis for strawberries or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a general shape other than plane
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/536—Hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
Abstract
The invention relates to a steel bar/fiber reinforced plastic composite support rod and a preparation method thereof, relating to the technical field of nursery stock support frames, wherein the steel bar/fiber reinforced plastic composite support rod comprises the following components: the steel bar, the unidirectional yarn layer and the fiber felt layer are sequentially paved from inside to outside; the steel bar is a straightened wire rod; the unidirectional yarn layer is formed by coating fibers on the steel pipe in a unidirectional way along the direction of the straightened steel pipe after the fibers are dipped in glue; the fibre felt layer is the fibre felt cladding and is in what form on the one-way yarn layer, it is poor to have solved common trees class bracing piece fastness on the market, it is perishable to bury the part, iron and steel class bracing piece weight is big, perishable, the transportation installation cost is high, high polymer material pole warp greatly, and the long bracing piece of fiber reinforced plastics has the modulus low, yielding, with high costs, the technical problem that the mounting hole needs the reinforcement, reached and made steel bar/fiber reinforced plastics composite support pole can promote the modulus under the prerequisite of guaranteeing excellent performance, reduce the deformation, increase bracing piece use firmness, reduce the damaged probability of mounting hole, reduce cost's beneficial effect, but wide application in plant cultivation, specifically include the cultivation of various crops, the forest, the fruit tree, flowers and plants such as medicinal and ornamental.
Description
Technical Field
The invention relates to the technical field of nursery stock support frames, in particular to a steel bar/fiber reinforced plastic composite support rod and a preparation method thereof.
Background
The nursery stock support frame is that trees are after planting or transplanting process, and the root system has not stretched yet, and in order to prevent it from taking place to incline and fall under the exogenic action, in order to ensure its survival rate, often adopt the fixed bolster to fix it after planting. At present, the bracing piece material is the fir pole mostly, the pine pole, the eucalyptus pole, the bamboo pole, the galvanized steel pipe, high polymer material pole, fibre reinforced plastic pole and pole body upper portion are timber, the lower part is the material of steel, common trees class bracing piece fastness on the market is poor, it is perishable to bury partially, steel class bracing piece weight is big, perishable, the transportation installation cost is high, high polymer material pole warp greatly, and the long bracing piece of fibre reinforced plastic has the modulus low, yielding, and is with high costs, the problem that the mounting hole needs the reinforcement.
Disclosure of Invention
In view of the above, the invention provides a steel bar/fiber reinforced plastic composite support rod and a preparation method thereof, so as to solve the problems of the existing support rod.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in a first aspect, the embodiment of the invention provides a steel bar/fiber reinforced plastic composite support rod, which comprises a steel bar, a unidirectional yarn layer and a fiber felt layer which are sequentially paved from inside to outside;
the steel bar is a straightened wire rod.
The unidirectional yarn layer is formed by coating fibers on a steel bar in a unidirectional way along the direction of the straightened steel bar after the fibers are dipped;
the fiber felt layer is formed by coating fiber felt on the unidirectional yarn layer.
With reference to the first aspect, an embodiment of the present invention provides a first possible embodiment of the first aspect, where the number of the steel rods is one.
With reference to the first aspect, embodiments of the present invention provide a second possible embodiment of the first aspect, wherein the number of the steel rods is multiple, and the gap is filled with the fiber material.
In combination with the first aspect, embodiments of the present invention provide a third possible embodiment of the first aspect, wherein the fiber mat layer is composed of a continuous fiber mat.
In combination with the first aspect, embodiments of the present invention provide a fourth possible embodiment of the first aspect, wherein the fiber mat layer is composed of a polyester fiber mat.
In combination with the first aspect, embodiments of the present invention provide a fifth possible embodiment of the first aspect, wherein the steel rod/fiber reinforced plastic composite support rod is round, square or irregular.
In a second aspect, an embodiment of the present invention provides a method for manufacturing a steel rod/fiber reinforced plastic composite support rod, including the following steps:
step S1, after gum dipping, the fiber is coated on the steel bar in a unidirectional way along the direction of the steel bar to form a unidirectional yarn layer;
step S2, coating the fiber felt on the unidirectional yarn layer to form a fiber felt layer;
step S3, after the steel bar, the unidirectional yarn layer and the fiber felt layer are dipped, curing the steel bar, the unidirectional yarn layer and the fiber felt layer in a mould to form the steel bar/fiber reinforced plastic composite support rod;
step S4, pulling, moving and demoulding the formed steel bar/fiber reinforced plastic composite support rod;
and step S5, cutting the drawn steel bar/fiber reinforced plastic composite support rod into a finished product according to the length required by actual design.
The steel bar/fiber reinforced plastic composite material has the beneficial effects that the steel bar/fiber reinforced plastic composite material is composed of an inner steel material and an outer layer of fiber reinforced plastic, and has the characteristics of strength and hardness of steel, light weight, high strength, corrosion resistance and the like of the fiber reinforced plastic, so that the steel bar/fiber reinforced plastic composite support rod can improve the modulus, reduce deformation, increase the use firmness of the support rod, reduce the damage probability of a mounting hole and reduce cost on the premise of ensuring the excellent performance, and can be widely applied to plant cultivation, particularly to cultivation of various crops, woods, fruit trees, flowers, plants, medicinal plants, ornamental plants and the like.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and are some embodiments of the present invention, and it will be apparent to those skilled in the art that other drawings can be obtained without inventive effort, and therefore the scope of the present invention is not limited. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic cross-sectional view of a steel rod/fiber reinforced plastic composite support rod with only one steel rod inside according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a steel rod/fiber reinforced plastic composite support rod with a plurality of steel rods inside according to an embodiment of the present invention.
In the figure, 1 is a steel bar, 2 is a unidirectional yarn layer, and 3 is a fiber felt layer.
Detailed description of the preferred embodiments
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete description of the technical solutions of the present invention will be given below with reference to the accompanying drawings, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments, and all other embodiments obtained by those skilled in the art without any creative work may be obtained. All fall within the scope of protection of the present invention.
The nursery stock support frame is that trees are after planting or transplanting process, and the root system has not stretched yet, and in order to prevent it from taking place to incline and fall under the exogenic action, in order to ensure its survival rate, often adopt the fixed bolster to fix it after planting. At present, the support rods are mostly made of fir rods, pine rods, eucalyptus rods, bamboo rods, galvanized steel tubes, high polymer material rods, fiber reinforced plastic rods and steel materials, the upper parts of the rods are made of wood, the lower parts of the rods are made of steel, the common tree support rods on the market are poor in firmness, the soil-entering parts are easy to rot, the steel support rods are heavy in weight, easy to corrode and high in transportation and installation cost, the high polymer material rods are large in deformation, and the fiber reinforced plastic long support rods are low in modulus, easy to deform and high in cost, and the installation holes need to be reinforced. Thereby make the combined bracing piece of rod iron/fiber reinforced plastics can promote the modulus under the prerequisite of guaranteeing excellent performance, reduce and warp, increase the bracing piece and use the firmness, reduce the damaged probability of mounting hole, reduce cost, but wide application in plant cultivation specifically includes the cultivation of various crops, woods, fruit tree, flowers and plants, plants such as medicinal and view and admire
In order to facilitate understanding of the embodiment, a steel bar/fiber reinforced plastic composite support rod and a method for manufacturing the same disclosed in the embodiment of the present invention are described in detail with reference to fig. 1-2, which includes a steel bar 1, a unidirectional yarn layer 2 and a fiber felt layer 3 sequentially laid from inside to outside;
the steel pipe 1 is a straightened wire;
in the embodiment of the invention, the steel bar can improve the rigidity of the material while ensuring the light weight and high strength of the steel bar/fiber reinforced plastic composite support rod.
The unidirectional yarn layer 2 is formed by coating fibers on the steel bar 1 in a unidirectional way along the direction of the straightened steel bar after the fibers are dipped;
in the embodiment of the invention, the steel bar 1 is used for priming, so that the deformation of the unidirectional yarn layer in the process of bearing load is reduced, and the mechanical strength of the support rod is ensured to be higher.
The fiber felt layer 3 is formed by coating fiber felt on the unidirectional yarn layer 2;
in the embodiment of the invention, the fiber felt layer 3 can greatly improve the circumferential strength of the support frame, and the support frame is arranged on the outermost layer, so that cracking is reduced, the content of resin adhesive is improved, and the corrosion resistance is ensured.
The number of the steel bars 1 is one.
In the embodiment of the invention, the steel bar/fiber reinforced plastic composite support rod can be supported by a thicker steel bar 1, so that the mechanical strength is improved, and the rigidity of the material is ensured.
The number of the steel bars 1 is multiple, and fiber materials are filled in gaps.
In the embodiment of the invention, the steel bar/fiber reinforced plastic composite support rod can also be supported by a plurality of thinner steel bars 1, so that the structural diversity is ensured, and more use scenes can be met.
The fiber felt layer 3 is made of continuous fiber felt;
in the embodiment of the present invention, more optional fiber materials are provided for the fiber mat layer 3, and when the fiber mat layer 3 is made of continuous fiber mat, the requirements of outdoor operation can be met.
The fiber felt layer 3 is made of polyester fiber felt;
in the embodiment of the present invention, more optional fiber materials are provided for the fiber felt layer 3, and when the fiber felt layer 3 is formed of polyester fiber felt, the requirement of indoor application can be met.
The steel bar/fiber reinforced plastic composite support rod is round, square or special-shaped;
in the embodiment of the invention, the shape structure of the support column 5 is explained, so that the shape structure of the steel bar/fiber reinforced plastic composite support rod is more diversified and has larger choice.
In another embodiment of the present invention, there is also provided a method for manufacturing a steel rod/fiber reinforced plastic composite support rod, which may include the steps of:
step S1, after gum dipping, the fiber is coated on the steel bar in a unidirectional way along the direction of the steel bar to form a unidirectional yarn layer;
step S2, coating the fiber felt on the unidirectional yarn layer to form a fiber felt layer;
step S3, after the steel bar, the unidirectional yarn layer and the fiber felt layer are dipped, curing the steel bar, the unidirectional yarn layer and the fiber felt layer in a mould to form the steel bar/fiber reinforced plastic composite support rod;
the steel bar, the unidirectional yarn layer and the fiber felt layer are fixed at specific positions of pultrusion equipment, then are solidified in a mould, and finally the steel bar/fiber reinforced plastic composite support rod is molded.
Step S4, pulling, moving and demoulding the formed steel bar/fiber reinforced plastic composite support rod;
and step S5, cutting the drawn steel bar/fiber reinforced plastic composite support rod into a finished product according to the length required by actual design.
Unless specifically stated otherwise, the relative steps, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the present invention.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A steel bar/fiber reinforced plastic composite support rod is characterized in that: comprises a steel bar (1), a unidirectional yarn layer (2) and a fiber felt layer (3) which are sequentially paved from inside to outside;
the steel bar (1) is a straightened wire rod;
the unidirectional yarn layer (2) is formed by coating fibers on the steel bar (1) in a unidirectional manner along the direction of the straightened steel bar after the fibers are dipped;
the fiber felt layer (3) is formed by coating the fiber felt on the unidirectional yarn layer (2).
2. The steel bar/fiber reinforced plastic composite support rod as set forth in claim 1, wherein: the number of the steel bars (1) is one.
3. The steel bar/fiber reinforced plastic composite support rod as set forth in claim 1, wherein: the number of the steel bars (1) is multiple, and fiber materials are filled in gaps.
4. The steel bar/fiber reinforced plastic composite support rod as set forth in claim 1, wherein: the fiber felt layer (3) is formed by continuous fiber felt.
5. The steel bar/fiber reinforced plastic composite support rod as set forth in claim 1, wherein: the fiber felt layer (3) is formed by polyester fiber felt.
6. The steel bar/fiber reinforced plastic composite support rod as set forth in claim 1, wherein: the steel bar/fiber reinforced plastic composite support rod is round, square or special-shaped.
7. A preparation method of a steel bar/fiber reinforced plastic composite support rod is characterized by comprising the following steps:
step S1, after gum dipping, the fiber is coated on the steel bar in a unidirectional way along the direction of the steel bar to form a unidirectional yarn layer;
step S2, coating the fiber felt on the unidirectional yarn layer to form a fiber felt layer;
step S3, after the steel bar, the unidirectional yarn layer and the fiber felt layer are dipped, curing the steel bar, the unidirectional yarn layer and the fiber felt layer in a mould to form the steel bar/fiber reinforced plastic composite support rod;
step S4, pulling, moving and demoulding the formed steel bar/fiber reinforced plastic composite support rod;
and step S5, cutting the drawn steel bar/fiber reinforced plastic composite support rod into a finished product according to the length required by actual design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818724.XA CN110583355A (en) | 2019-08-30 | 2019-08-30 | Steel bar/fiber reinforced plastic composite support rod and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818724.XA CN110583355A (en) | 2019-08-30 | 2019-08-30 | Steel bar/fiber reinforced plastic composite support rod and preparation method thereof |
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| CN110583355A true CN110583355A (en) | 2019-12-20 |
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| CN201910818724.XA Pending CN110583355A (en) | 2019-08-30 | 2019-08-30 | Steel bar/fiber reinforced plastic composite support rod and preparation method thereof |
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| CN102246670A (en) * | 2011-06-09 | 2011-11-23 | 金寿汉 | Steel plastic composite pipe for greenhouse framework and production method thereof |
| CN103651040A (en) * | 2013-12-31 | 2014-03-26 | 北京东方园林股份有限公司 | Novel tree support rod |
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