CN110679384A - Hollow fiber reinforced plastic support rod and preparation method thereof - Google Patents

Hollow fiber reinforced plastic support rod and preparation method thereof Download PDF

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Publication number
CN110679384A
CN110679384A CN201910817433.9A CN201910817433A CN110679384A CN 110679384 A CN110679384 A CN 110679384A CN 201910817433 A CN201910817433 A CN 201910817433A CN 110679384 A CN110679384 A CN 110679384A
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CN
China
Prior art keywords
layer
fiber felt
reinforced plastic
support rod
unidirectional
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Pending
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CN201910817433.9A
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Chinese (zh)
Inventor
李向华
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Dongguan Kaida Technology Co ltd
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Dongguan Xintian Industry Co Ltd
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Priority to CN201910817433.9A priority Critical patent/CN110679384A/en
Publication of CN110679384A publication Critical patent/CN110679384A/en
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0046—Producing rods
    • 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 non-planar shape
    • 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
    • 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
    • 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
    • B32B5/02—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
    • B32B5/12—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 characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers 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
    • 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
    • B32B2260/023—Two or more layers
    • 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
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • 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
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental Sciences (AREA)
  • Botany (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

The invention relates to a hollow fiber reinforced plastic support rod and a preparation method thereof, relating to the technical field of nursery stock support frames, wherein the hollow fiber reinforced plastic support rod comprises: the fiber felt layer A, the unidirectional yarn layer and the fiber felt layer B are sequentially paved from inside to outside; the fiber felt layer A is formed by coating a sheet material on a mold core in one direction after the sheet material is soaked by redundant resin adhesive of unidirectional fibers; the unidirectional yarn layer is formed by coating fibers on the fiber felt layer A in a unidirectional way along the direction of the mold core after the fibers are subjected to gum dipping; and the fiber felt layer B is formed by coating a fiber felt on the unidirectional yarn layer. The problem of common trees class bracing piece on the market have the fastness poor, the perishable problem of buried part, there is heavy in steel class bracing piece, the problem that transportation installation cost is high, because these materials corrosion resisting property is poor, so life is short, the high technical problem of comprehensive cost, reached and made hollow fiber reinforced plastic bracing piece can exert its good performance in more kinds of use scenes, increase bracing piece life simultaneously, reduce the change number of times, avoid the beneficial effect of unnecessary labour cost, but wide application in plant cultivation, specifically include various crops, woods, the fruit tree, flowers and plants, the cultivation of plants such as medicinal and sight and admire.

Description

Hollow fiber reinforced plastic support rod and preparation method thereof
Technical Field
The invention relates to the technical field of nursery stock support frames, in particular to a hollow fiber reinforced plastic 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 supporting rods are made of fir rods, pine rods, eucalyptus rods, bamboo rods, galvanized steel pipes, high polymer materials and rods, the upper portions of the rods are made of wood, the lower portions of the rods are made of steel, the firmness of the supporting rods of trees is poor, the soil-entering portions of the supporting rods are prone to rotting, the supporting rods of steel are heavy in weight and high in transportation and installation cost, and the materials are poor in corrosion resistance, so that the service life is short, and the comprehensive cost is high.
Disclosure of Invention
In view of the above, the invention provides a hollow fiber reinforced plastic support rod and a preparation method thereof, and aims to solve the technical problems that the common tree support rods in the market are poor in firmness, easy to rot in the soil part, heavy in weight, easy to corrode and high in transportation and installation cost.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in a first aspect, an embodiment of the present invention provides a hollow fiber reinforced plastic support rod, including a fiber felt layer a, a unidirectional yarn layer, and a fiber felt layer B, which are sequentially laid from inside to outside;
the fiber felt layer A is formed by coating a sheet material on a mold core in one direction after the sheet material is soaked by redundant resin adhesives with various colors of unidirectional fibers;
the unidirectional yarn layer is formed by coating fibers on the fiber felt layer A in a unidirectional way along the direction of the mold core after the fibers are subjected to gum dipping;
and the fiber felt layer B is formed by coating a fiber felt on the unidirectional yarn layer.
In combination with the first aspect, embodiments of the present invention provide a first possible embodiment of the first aspect, wherein the fiber mat layer B is composed of a continuous fiber mat.
In combination with the first aspect, embodiments of the present invention provide a second possible embodiment of the first aspect, wherein the fiber mat layer B is made of a polyester fiber mat.
With reference to the first aspect, an embodiment of the present invention provides a third possible embodiment of the first aspect, where a winding layer is laid on the unidirectional yarn layer, and the winding layer is formed by winding and covering a fiber hoop around the unidirectional yarn layer.
In combination with the first aspect, embodiments of the present invention provide a fourth possible embodiment of the first aspect, wherein the hollow fiber reinforced plastic support rod is round, square or irregular.
In a second aspect, an embodiment of the present invention provides a method for manufacturing a hollow fiber reinforced plastic support rod, including the following steps:
step S1, after the fibrofelt sheet is soaked by redundant resin glue on the unidirectional fiber, coating the resin on the mold core according to one direction to form a fibrofelt layer A;
step S2, after gum dipping, the fiber is coated on the fiber felt layer A in a unidirectional way along the direction of the mold core to form a unidirectional yarn layer;
step S3, coating the fiber felt on the unidirectional yarn layer to form a fiber felt layer B;
step S4, after the fiber felt layer A, the unidirectional yarn layer and the fiber felt layer B are dipped, curing is carried out in a mould, so that the hollow fiber reinforced plastic support rod is molded;
step S5, pulling and moving the molded hollow fiber reinforced plastic support rod for demolding through pultrusion;
and step S6, cutting the pulled hollow fiber reinforced plastic support rod into a finished product according to the length required by actual design.
The invention has the advantages that the fiber reinforced plastic has the performance characteristics of light weight, high strength, non-conductivity, stable performance, high mechanical strength, corrosion resistance, repeated recycling and the like, the characteristics of light weight and high strength can facilitate high mountain operation, the characteristic of high mechanical strength can deal with stronger wind power, and the characteristic of corrosion resistance can deal with the acidity and alkalinity of different soils, so that the hollow fiber reinforced plastic support rod can exert excellent performance in more use scenes, meanwhile, the service life of the support rod is prolonged, the replacement frequency is reduced, unnecessary labor cost is avoided, and the hollow fiber reinforced plastic support rod can be widely applied to plant cultivation, particularly the cultivation of various crops, woods, fruit trees, flowers, 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 hollow fiber reinforced plastic support rod according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a hollow fiber reinforced plastic support rod with a wrapping layer according to an embodiment of the present invention.
In the figure, 1, a fiber felt layer A, 2, a unidirectional yarn layer, 3, a fiber felt layer B, 4 and a winding 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 rod is mostly made of fir rods, pine rods, eucalyptus rods, bamboo rods, galvanized steel pipes, high-fat polymer materials, and the upper part of the rod body is made of wood, the lower part of the rod body is made of steel, the tree support rod has poor firmness and the buried part is easy to rot, and the steel support rod has the problems of heavy weight, easy corrosion and high transportation and installation cost. Meanwhile, the service life of the supporting rod is prolonged, the replacement times are reduced, unnecessary labor cost is avoided, and the method can be widely applied to plant cultivation, particularly cultivation of various crops, woods, fruit trees, flowers and plants, medicinal plants, ornamental plants and the like.
To facilitate understanding of the present embodiment, a hollow fiber reinforced plastic support rod and a method for manufacturing the same disclosed in the embodiments of the present invention are described in detail with reference to fig. 1-2, which includes a fiber felt layer a1, a unidirectional yarn layer 2 and a fiber felt layer B3 sequentially laid from inside to outside;
the fiber felt layer A1 is formed by coating a sheet material on a mold core in one direction after being soaked by redundant resin adhesive of unidirectional fibers;
in the embodiment of the invention, the unidirectional fiber composite felt layer A1 is used for priming, so that the distribution of annular fibers is realized, the cracking of the unidirectional yarn layer when bearing load is reduced, and the higher mechanical strength of the support rod is ensured.
The unidirectional yarn layer 2 is formed by coating fibers on the fiber felt layer A1 in a unidirectional manner along the direction of the mold core after the fibers are subjected to gum dipping;
in the embodiment of the invention, the unidirectional yarn layer 2 is laid on the fiber felt layer A1 along the length direction of the mold core, so that the stress and the load are longitudinally shared, the longitudinal strength of the hollow fiber reinforced plastic support rod is ensured, and the folding resistance is improved.
The fiber felt layer B3 is formed by coating fiber felt on the unidirectional yarn layer 2;
in the embodiment of the invention, the fiber felt layer B3 can greatly improve the circumferential strength of the support frame, and the support frame is arranged on the outermost layer, so that the content of resin adhesive is improved, and the corrosion resistance is ensured.
The fiber felt layer B3 is composed of continuous fiber felt;
in the embodiment of the present invention, more optional fiber materials are provided for the fiber mat layer B3, and when the fiber mat layer B3 is made of continuous fiber mat, it can meet the requirements of outdoor operation.
The fiber felt layer B3 is made of polyester fiber felt;
in the embodiment of the present invention, the fiber felt layer B3 is provided with more optional fiber materials, and when the fiber felt layer B3 is made of polyester fiber felt, the requirement of indoor application can be met.
A winding layer 4 is laid on the unidirectional yarn layer 2, and the winding layer 4 is formed by winding and coating fibers on the unidirectional yarn layer 2 in the circumferential direction;
in the embodiment of the invention, the winding layer 4 is formed by winding the fibers circumferentially, and because the continuous fibers are circumferentially distributed and are not overlapped, the stress concentration in use is reduced, the circumferential mechanical strength is increased, and the anti-bending performance is higher.
The hollow fiber reinforced plastic support rod is round, square or special-shaped;
in the embodiment of the invention, the shape structure of the support rod is explained, so that the shape structure of the hollow fiber reinforced plastic support rod is more diversified and has more choices.
In another embodiment of the present invention, there is also provided a method for manufacturing a hollow fiber reinforced plastic support rod, which may include the steps of:
step S1, after the fibrofelt sheet is soaked by redundant resin glue on the unidirectional fiber, the fibrofelt sheet is coated on the mold core in one direction to form a fibrofelt layer A;
step S2, after gum dipping, the fiber is coated on the fiber felt layer A in a unidirectional way along the direction of the mold core to form a unidirectional yarn layer;
step S3, coating the fiber felt on the unidirectional yarn layer to form a fiber felt layer B;
step S4, after the fiber felt layer A, the unidirectional yarn layer and the fiber felt layer B are dipped, curing is carried out in a mould, so that the hollow fiber reinforced plastic support rod is molded;
here, the fiber felt layer a, the unidirectional yarn layer and the fiber felt layer B are fixed at specific positions of a pultrusion device, and then cured in a mold, and finally the hollow fiber reinforced plastic support rod is molded.
Step S5, pulling and moving the molded hollow fiber reinforced plastic support rod for demolding through pultrusion;
and step S6, cutting the pulled hollow fiber reinforced plastic 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 (6)

1. A hollow fiber reinforced plastic support rod is characterized in that: comprises a fiber felt layer A (1), a unidirectional yarn layer (2) and a fiber felt layer B (3) which are sequentially paved from inside to outside;
the fiber felt layer A (1) is formed by coating a sheet material on a mold core in one direction after the sheet material is soaked by redundant resin adhesives with various colors of unidirectional fibers;
the unidirectional yarn layer (2) is formed by coating fibers on the fiber felt layer A (1) in a unidirectional way along the direction of the mold core after the fibers are impregnated;
the fiber felt layer B (3) is formed by coating the fiber felt on the unidirectional yarn layer (2).
2. The hollow fiber reinforced plastic support rod as set forth in claim 1, wherein: the fiber felt layer B (3) is composed of a continuous fiber felt.
3. The hollow fiber reinforced plastic support rod as set forth in claim 1, wherein: the fiber felt layer B (3) is formed by polyester fiber felt.
4. The hollow fiber reinforced plastic support rod as set forth in claim 1, wherein: one-way yarn layer (2) upper berth is equipped with winding layer (4), winding layer (4) are the cladding of fibre hoop winding one-way yarn layer (2) form.
5. The hollow fiber reinforced plastic support rod as set forth in claim 1, wherein: the hollow fiber reinforced plastic support rod is round, square or special-shaped.
6. A preparation method of a hollow fiber reinforced plastic support rod is characterized by comprising the following steps:
step S1, after the fibrofelt sheet is soaked by redundant resin glue on the unidirectional fiber, the fibrofelt sheet is coated on the mold core in one direction to form a fibrofelt layer A;
step S2, after gum dipping, the fiber is coated on the fiber felt layer A in a unidirectional way along the direction of the mold core to form a unidirectional yarn layer;
step S3, coating the fiber felt on the unidirectional yarn layer to form a fiber felt layer B;
step S4, after the fiber felt layer A, the unidirectional yarn layer and the fiber felt layer B are dipped, curing is carried out in a mould, so that the hollow fiber reinforced plastic support rod is molded;
step S5, pulling and moving the molded hollow fiber reinforced plastic support rod for demolding through pultrusion;
and step S6, cutting the pulled hollow fiber reinforced plastic support rod into a finished product according to the length required by actual design.
CN201910817433.9A 2019-08-30 2019-08-30 Hollow fiber reinforced plastic support rod and preparation method thereof Pending CN110679384A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2322782B (en) * 1997-03-07 2001-10-03 Toho Leo Kabushiki Kaisha Method of providing support to tree,as well as tree base support member and root ball retainer for use in the method
CN100998303A (en) * 2006-12-30 2007-07-18 刘玉清 Support for protecting tree
CN101545575A (en) * 2009-05-07 2009-09-30 中国人民解放军总后勤部建筑工程研究所 Wrapping-pulling woven high-strength composite material tube
CN205017983U (en) * 2015-08-06 2016-02-10 重庆市风景园林科学研究院 Shelf support is used to big tree
CN106969213A (en) * 2017-05-09 2017-07-21 天津工业大学 A kind of high rigidity composite material conduit and its manufacture method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2322782B (en) * 1997-03-07 2001-10-03 Toho Leo Kabushiki Kaisha Method of providing support to tree,as well as tree base support member and root ball retainer for use in the method
CN100998303A (en) * 2006-12-30 2007-07-18 刘玉清 Support for protecting tree
CN101545575A (en) * 2009-05-07 2009-09-30 中国人民解放军总后勤部建筑工程研究所 Wrapping-pulling woven high-strength composite material tube
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