CN212194459U

CN212194459U - Weave pultrusion pipeline

Info

Publication number: CN212194459U
Application number: CN202020452732.5U
Authority: CN
Inventors: 唐明军
Original assignee: Guangdong Ren Da Intelligent Equipment Co ltd
Current assignee: Guangdong Ren Da Intelligent Equipment Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-22
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to the technical field of pipeline, a weave pultrusion pipeline is disclosed, this pipeline from interior to exterior includes inlayer fibrous layer, the vertical yarn in middle level and outer weaving layer, and the inlayer fibrous layer is network structure's reinforcing fiber yarn fabric, and the vertical yarn in middle level adopts the reinforcing fiber yarn to vertically set up along the circumferential surface of inlayer fibrous layer, and outer weaving layer adopts the reinforcing fiber yarn crisscross shaping of weaving on the periphery of the vertical yarn in middle level. The utility model provides a pipeline that vertical tensile strength and radial compressive strength are high.

Description

Weave pultrusion pipeline

Technical Field

The utility model relates to the technical field of pipelines, indicate a weave pultrusion pipeline especially.

Background

The traditional metal material pipeline has the defects of high energy consumption, complex process, high facility maintenance cost and the like in the production process, is easy to corrode in the humid and severe working environment and is gradually replaced by a non-metal pipeline which is made of a fiber reinforced composite material, has the advantages of corrosion resistance, light weight and relatively low production cost, and is widely applied to the fields of electric power, chemistry and irrigation.

Patent document CN206830980U discloses a winding pultrusion pipe is woven to glass steel, including cylindric body, the body includes interior weaving layer, middle vertical layer, middle winding layer and outer weaving layer from inside to outside in proper order, interior weaving layer is vertically and horizontally staggered's rhombus latticed, middle vertical layer is hugged closely interior weaving layer, the yarn on it is the vertical line setting along the body cross section, middle winding layer is vertically and horizontally staggered's spiral winding form, middle winding layer passes through the yarn and twines uniformly on the middle vertical layer, interior weaving layer in the middle vertical layer the clearance department with middle winding layer weaves integratively, outer weaving layer is woven on the middle winding layer.

The pipeline prepared from the fiber reinforced composite material has insufficient longitudinal tensile strength and radial compressive strength, for example, the pipeline in patent document is provided with a four-layer structure to obtain a pipeline with better mechanical property, however, for some application scenes, the pipeline is not required to have too high mechanical property, if the pipeline with high mechanical property is uniformly adopted, the manufacturing cost is increased, and meanwhile, the pipeline cannot be reasonably applied. Therefore, the structure of the pipeline needs to be optimized, and the level of the pipeline is reduced and the production cost is reduced under the condition of meeting the requirement of mechanical property.

Disclosure of Invention

In order to solve the problem, the utility model provides a weave pultrusion pipeline, its main objective designs three layer construction's pipeline, simplifies the level setting of pipeline, and reduction in production cost guarantees that the product has better vertical tensile strength and radial compressive strength simultaneously.

In order to achieve the above object, the utility model adopts the following technical scheme:

a woven pultrusion pipeline comprises an inner fiber layer, a middle longitudinal yarn and an outer woven layer from inside to outside, wherein the inner fiber layer is a reinforced fiber yarn fabric with a net structure, the middle longitudinal yarn is longitudinally arranged along the circumferential surface of the inner fiber layer by adopting reinforced fiber yarns, and the outer woven layer is formed by weaving the reinforced fiber yarns in a staggered manner on the circumferential surface of the middle longitudinal yarn.

Further, the inner fiber layer is composed of more than one piece of reinforced fiber yarn fabric with a net-shaped structure.

Furthermore, the knitting angle of the reinforced fiber yarn of the outer knitting layer is 18-80 degrees.

Further, the reinforced fiber yarn is glass fiber, carbon fiber, aramid fiber or basalt fiber.

Further, the reinforcing fiber yarn fabric is chopped strand mat, continuous mat or fiber cloth.

Further, the thickness of the inner fiber layer, the middle longitudinal yarn layer and the outer woven layer of the reinforced fibers is larger than 0.1 mm.

The utility model discloses by the multi-directional mechanical properties of inlayer fibrous layer reinforcing pipeline, the vertical tensile strength of pipeline is strengthened to the vertical yarn in middle level, the radial compressive strength of outer weaving layer reinforcing pipeline to this setting, the hierarchy of the pipeline of simplifying greatly has reduced manufacturing cost, has also guaranteed to have better vertical tensile strength and radial compressive strength simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers illustrate: 1. an inner fibrous layer; 2. middle layer longitudinal yarn; 3. and an outer braided layer.

Detailed Description

Please refer to fig. 1, which is a woven pultrusion pipeline implemented by the present invention, and is characterized in that: the pipeline comprises an inner fiber layer 1, a middle longitudinal yarn 2 and an outer weaving layer 3 from inside to outside, wherein the inner fiber layer 1 is a reinforced fiber yarn fabric with a net-shaped structure, the middle longitudinal yarn 2 is longitudinally arranged along the circumferential surface of the inner fiber layer 1 by adopting reinforced fiber yarns, and the outer weaving layer 3 is formed by alternately weaving the reinforced fiber yarns on the circumferential surface of the middle longitudinal yarn 2.

When the inner fiber layer 1 is prepared, fabrics interwoven by reinforcing fiber yarns are cut according to the size of a pipeline to be prepared, the reinforcing fiber yarn fabrics are wrapped on a mold core (the mold core is used as a base body for preparing the fiber layer 1) through the existing fabric guiding device to form the inner fiber layer 1, and the inner fiber layer mainly enhances the mechanical property of the pipeline in multiple directions; preparing middle layer longitudinal yarn 2, arranging the reinforced fiber yarn in parallel with the axial direction of the inner layer fiber layer 1 through the existing longitudinal yarn guide device, wherein the layer mainly enhances the longitudinal tensile strength of the pipeline; preparing an outer weaving layer 3, namely, adopting the existing horizontal braiding machine to weave on the circumferential surface of the middle longitudinal yarn 2 in an axially staggered manner to form the outer weaving layer 3, wherein the layer mainly enhances the radial compressive strength of a pipeline, and the force is exerted along the axial direction of a mold core by the existing tractor after preparing each layer structure, so that the utility model enters a winding-weaving-pultrusion mold along the mold core, and simultaneously matrix resin is injected into the mold by the existing intelligent glue injection machine (or the matrix resin is soaked in an outer-membrane glue dipping mode before the reinforced fiber yarn enters the mold), the matrix resin is required to be fully soaked with each layer, then the mold is heated, so that the mixture of the matrix resin and each layer is fully extruded and molded, heated and solidified, and then the matrix resin and each layer are pulled out from the mold by the tractor, and the obtained longitudinal tensile strength and the radial compressive strength are both very good, and has exquisite weaving lines and smooth inner and outer surfaces. The matrix resin is: thermosetting resins such as unsaturated resins, epoxy resins, and polyurethanes.

The utility model discloses inlayer fibrous layer 1 comprises the network structure's more than a slice reinforcing fiber yarn fabric, according to actual conditions's demand, obtains better comprehensive properties through the quantity that increases network structure's on the inlayer fibrous layer 1 reinforcing fiber yarn fabric.

In the process of preparing the outer-layer braided layer 3 by the horizontal braiding machine, the braiding angle of the outer-layer braided layer 3 is 18-80 degrees, the braiding angle refers to an angle formed by braiding reinforcing fiber yarns in the outer-layer braided layer in a staggered manner, and the radial compressive strength of the pipeline is improved through the braiding angle.

The reinforced fiber yarn material is glass fiber, carbon fiber, aramid fiber or basalt fiber. The glass fiber is an inorganic non-metallic material with excellent performance, has various varieties and has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength; the carbon fiber is a special fiber composed of carbon elements, has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, is fibrous and soft in appearance, can be processed into various fabrics, and has high strength and modulus along the fiber axis direction due to the preferred orientation of the graphite microcrystal structure along the fiber axis; the aramid fiber is a novel high-tech synthetic fiber, has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like, the strength of the aramid fiber is 5-6 times that of a steel wire, the modulus of the aramid fiber is 2-3 times that of the steel wire or glass fiber, the toughness of the aramid fiber is 2 times that of the steel wire, and the weight of the aramid fiber is only about 1/5 times that of the steel wire; the basalt fiber is composed of oxides such as silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide, iron oxide, titanium dioxide and the like, and the basalt continuous fiber not only has high strength, but also has various excellent performances such as electric insulation, corrosion resistance, high temperature resistance and the like.

The reinforced fiber yarn fabric adopted in the utility model is chopped strand mat, continuous mat or fiber cloth.

The utility model provides a thickness of reinforcing fiber inlayer fibrous layer, the vertical yarn in middle level and outer weaving layer is greater than 0.1mm, according to the stacking of the optional reinforcing fiber yarn in each layer of user demand, and the stacking of 1 optional reinforcing fiber yarn fabrics in inlayer fibrous layer forms the demand of the level in order to satisfy mechanical properties of different thickness.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. A woven pultruded pipeline characterized by: the pipeline comprises an inner fiber layer, a middle longitudinal yarn and an outer woven layer from inside to outside, wherein the inner fiber layer is a reinforced fiber yarn fabric with a net structure, the middle longitudinal yarn is longitudinally arranged along the circumferential surface of the inner fiber layer by adopting reinforced fiber yarns, and the outer woven layer is formed by alternately weaving the reinforced fiber yarns on the circumferential surface of the middle longitudinal yarn.

2. The woven pultruded pipeline according to claim 1, wherein: the inner fiber layer is composed of more than one piece of reinforced fiber yarn fabric with a net-shaped structure.

3. The woven pultruded pipeline according to claim 2, wherein: the knitting angle of the reinforced fiber yarn of the outer knitting layer is 18-80 degrees.

4. A woven pultruded pipeline according to any of claims 1 to 3, characterized in that: the reinforced fiber yarn is glass fiber, carbon fiber, aramid fiber or basalt fiber.

5. A woven pultruded pipeline according to any of claims 1 to 3, characterized in that: the reinforced fiber yarn fabric is chopped strand mat, continuous mat or fiber cloth.

6. A woven pultruded pipeline according to any of claims 1 to 3, characterized in that: the thickness of the inner fiber layer, the middle longitudinal yarn layer and the outer woven layer of the reinforced fiber is greater than 0.1 mm.