Inner and outer layer glass fiber reinforced winding pipe

Abstract

The utility model relates to an inner and outer layer glass fiber reinforced winding pipe, which belongs to the technical field of winding pipes and comprises a pipeline, and reinforcing structures are arranged inside and outside the pipeline. The reinforcing structure comprises spiral pipelines which are bonded to the inner circumferential wall and the outer circumferential wall of the pipeline respectively, glass fiber gridding cloth is bonded to the inner circumferential wall and the outer circumferential wall of each spiral pipeline, and reinforcing layers are bonded to the inner circumferential wall and the outer circumferential wall of the two pieces of glass fiber gridding cloth. According to the inner-layer and outer-layer glass fiber reinforced winding pipe, a continuous reinforcing rib structure is formed through spiral winding, the tensile strength and the ring stiffness of the pipe are remarkably improved, the glass fiber gridding cloth enables the pipe to bear larger internal and external pressure, meanwhile, stress distribution of the pipe is effectively balanced, local stress concentration is avoided, the deformation resistance and the stability of the pipe are improved, and the service life of the pipe is prolonged. And the reinforcing layer further enhances the medium infiltration resistance of the pipeline, and the service life of the pipeline is greatly prolonged through the internal and external synergistic effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to winding pipe technical field, concretely is a kind of inner and outer layer glass fiber reinforced winding pipe. BACKGROUND

[0002] Winding pipe is a kind of flexible pipe made by spiral or ring winding process, usually by metal or plastic strip material continuous winding and fusion / locking buckle forming. Its structural feature is that the pipe wall is spiral reinforcing rib, and it has flexibility and pressure resistance, and is widely used in petroleum, chemical industry, water supply and drainage and other fields, and is suitable for buried laying or dynamic bending working condition, and can effectively resist external impact and internal pressure.

[0003] The prior art is usually made of high-density polyethylene pipe winding, and is bonded by adhesive layer, and has low ring stiffness of pipe, poor deformation resistance after long-time buried use, easy to be disconnected by external force, and affects the service life of pipe.

[0004] Therefore, an inner and outer layer glass fiber reinforced winding pipe is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an inner and outer layer glass fiber reinforced winding pipe, which has the advantages of improving the strength of the winding pipe as a whole, and solves the problem that the synergistic reinforcing effect of the winding pipe made of basalt fiber and glass fiber mesh cloth has not been fully optimized, resulting in insufficient interface bonding force and low interlayer shear strength in the design of the inner and outer layer composite structure, which affects the overall strength of the winding pipe.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] An inner and outer layer glass fiber reinforced winding pipe, comprising a pipe, the inside and outside of the pipe are provided with a reinforcing structure;

[0008] The reinforcing structure comprises spiral pipes respectively bonded to the inner circumferential wall and the outer circumferential wall of the pipe, the inner circumferential wall and the outer circumferential wall of the two spiral pipes are bonded with glass fiber mesh cloth, and the inner circumferential wall and the outer circumferential wall of the two glass fiber mesh cloths are bonded with reinforcing layers.

[0009] Further, the pipe, spiral pipe, two glass fiber mesh cloths are located between two reinforcing layers.

[0010] Further, the pipe, spiral pipe, glass fiber mesh cloth and reinforcing layer are located on the same vertical plane on the left and right sides.

[0011] Further, the material of the reinforcing layer is carbon fiber.

[0012] Further, the spiral pipe, two glass fiber mesh cloths and two reinforcing layers are symmetrically distributed.

[0013] Compared with the prior art, the inner and outer layer glass fiber reinforced winding pipe has the following beneficial effects:

[0014] The inner and outer layer glass fiber reinforced winding pipe forms a continuous reinforcing rib structure through spiral winding, significantly improves the tensile strength and ring stiffness of the pipeline, the glass fiber mesh cloth enables it to withstand greater internal and external pressure, effectively balances the stress distribution of the pipeline, avoids local stress concentration, improves the anti-deformation ability and stability of the pipeline, and the reinforcing layer further enhances the anti-medium permeability of the pipeline, and the internal and external synergistic effect greatly prolongs the service life of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a sectional view schematic diagram of the utility model structure;

[0016] Fig. 2 It is a pipeline sectional view schematic diagram of the utility model structure.

[0017] In the figure: 1, pipeline; 2, spiral pipeline; 3, glass fiber mesh cloth; 4, reinforcing layer. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] Please refer to Figs. 1-2 The inner and outer layer glass fiber reinforced winding pipe in the embodiment comprises a pipeline 1, and the inside and outside of the pipeline 1 are provided with reinforcing structures.

[0020] The reinforcing structure comprises spiral pipelines 2 respectively bonded to the inner circumferential wall and the outer circumferential wall of the pipeline 1, the inner circumferential wall and the outer circumferential wall of the spiral pipeline 2 are bonded with glass fiber mesh cloths 3, the inner circumferential wall and the outer circumferential wall of the two glass fiber mesh cloths 3 are bonded with reinforcing layers 4, the pipeline 1, the spiral pipeline 2 and the two glass fiber mesh cloths 3 are located between the two reinforcing layers 4, the left and right sides of the pipeline 1, the spiral pipeline 2, the glass fiber mesh cloth 3 and the reinforcing layer 4 are located in the same vertical plane, the material of the reinforcing layer 4 is high-density polyethylene, and the spiral pipeline 2, the two glass fiber mesh cloths 3 and the two reinforcing layers 4 are symmetrically distributed.

[0021] It should be noted that the spiral pipe 2 is made of high-density polyethylene, and its spiral structure design enhances the ring stiffness and compressive strength of pipe 1; the fiberglass mesh 3 is made of alkali glass fiber, and its composite with resin during the reinforcement of pipe 1 improves the overall strength; the reinforcing layer 4 is used to reinforce pipe 1, improving its tensile strength and seismic performance.

[0022] The beneficial effects of the above embodiments are as follows:

[0023] The spiral pipe 2 significantly improves the tensile strength and ring stiffness of pipe 1, enabling it to withstand greater internal and external pressures. The fiberglass mesh 3 effectively balances the stress distribution of pipe 1, avoids local stress concentration, and improves the deformation resistance and stability of pipe 1. The reinforcing layer 4 further enhances the resistance of pipe 1 to media penetration. The synergistic effect of the internal and external layers greatly extends the service life of pipe 1 and improves its tensile strength and seismic performance.

[0024] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented.

[0025] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fiberglass-reinforced spiral pipe with inner and outer layers, comprising a pipe (1), characterized in that: The pipe (1) is reinforced both inside and outside; The reinforcing structure includes a spiral pipe (2) bonded to the inner and outer peripheral walls of the pipe (1) respectively. The inner and outer peripheral walls of the spiral pipe (2) are bonded with fiberglass mesh (3), and the inner and outer peripheral walls of the two fiberglass meshes (3) are bonded with reinforcing layers (4).

2. The inner and outer glass fiber reinforced spiral tube according to claim 1, characterized in that: The pipe (1), the spiral pipe (2), and the two fiberglass mesh fabrics (3) are all located between the two reinforcing layers (4).

3. The inner and outer glass fiber reinforced spiral tube according to claim 1, characterized in that: The left and right sides of the pipe (1), spiral pipe (2), fiberglass mesh (3) and reinforcing layer (4) are all located in the same vertical plane.

4. The inner and outer glass fiber reinforced spiral tube according to claim 1, characterized in that: The reinforcing layer (4) is made of high-density polyethylene.

5. The inner and outer glass fiber reinforced spiral tube according to claim 1, characterized in that: The spiral pipe (2), the two fiberglass mesh fabrics (3), and the two reinforcing layers (4) are all symmetrically distributed.

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