High-compression-resistance bamboo fiber composite jacking pipe

Abstract

The invention discloses a high-compression-resistance bamboo fiber composite jacking pipe, and relates to the field of composite jacking pipes, the high-compression-resistance bamboo fiber composite jacking pipe comprises a bamboo fiber composite inner pipe, inner convex ring ribs are arranged on the inner wall of the bamboo fiber composite inner pipe, and a rubber resin light high-elasticity layer is attached to the outer wall of the bamboo fiber composite inner pipe; ribs are attached to the inner wall of the rubber resin light high-elasticity layer, and a bamboo fiber composite outer pipe is attached to the outer wall of the rubber resin light high-elasticity layer. The bamboo fiber composite inner pipe is arranged to play a tight fit role in the inner convex ring rib, the bamboo fiber composite inner pipe and the inner convex ring rib are integrally formed, the inner convex ring rib can enhance the annular rigidity of the bamboo fiber composite inner pipe, the inner convex ring rib and the pipe wall of the bamboo fiber composite inner pipe are cooperatively stressed when the inner convex ring rib is pressed, radial pressure is converted into annular supporting force of the inner convex ring rib, and the bamboo fiber composite inner pipe is tightly attached to the inner convex ring rib. Meanwhile, the inner convex ring ribs can disturb and stabilize fluid in the pipe, and impact of pressure fluctuation on the pipe wall of the bamboo fiber composite inner pipe is reduced.

Description

Technical Field

[0001] The invention relates to the field of composite jacking pipes, in particular to a high-compression-resistant bamboo fiber composite jacking pipe. Background Art

[0002] In the fields of water supply and drainage engineering and petrochemical anti-corrosion, polyvinyl chloride pipes, polyethylene pipes, fiberglass pipes, and fiberglass sand-filled pipes have been commonly used in the past. Although polyvinyl chloride pipes and polyethylene pipes are light, smooth and corrosion-resistant, they lack rigidity and strength. Moreover, their raw materials are synthetic products of petroleum products, and the products and waste cannot be recycled, which not only consumes precious petroleum resources but also pollutes the environment. Although fiberglass pipes and fiberglass sand-filled pipes have the advantages of corrosion resistance, high strength, low fluid resistance and high rigidity, the reinforcing material is high-energy-consuming glass fiber, and the resin used depends on petroleum. The products and waste are also non-recyclable and do not meet environmental protection requirements. Therefore, a high-compression-resistant bamboo fiber composite jacking pipe is needed.

[0003] The existing bamboo fiber composite jacking pipe is not convenient for providing pressure-resistant support for the device during operation, and is not convenient for reducing the impact of pressure on the inner wall. Therefore, a high-pressure-resistant bamboo fiber composite jacking pipe is urgently needed. Summary of the Invention

[0004] Based on this, the purpose of the present invention is to provide a high-compression-resistant bamboo fiber composite jacking pipe to solve the problem that the existing high-compression-resistant bamboo fiber composite jacking pipe is not convenient for providing compressive support for the device and reducing the impact of pressure on the inner wall when in use.

[0005] To achieve the above object, the present invention provides the following technical solution: a high-compression-resistant bamboo fiber composite jacking pipe, comprising a bamboo fiber composite inner pipe, the inner wall of which is provided with inner convex annular ribs.

[0006] The outer wall of the bamboo fiber composite inner tube is laminated with a rubber resin lightweight high elastic layer, the inner wall of the rubber resin lightweight high elastic layer is laminated with ribs, the outer wall of the rubber resin lightweight high elastic layer is laminated with a bamboo fiber composite outer tube, and the outer wall of the bamboo fiber composite outer tube is laminated with a nano titanium dioxide coating.

[0007] Preferably, the inner convex ring ribs are arranged at equal intervals on the inner wall of the bamboo fiber composite inner tube, and the inner convex ring ribs are arranged in a circular ring structure.

[0008] Preferably, the inner wall of the rubber resin lightweight high elasticity layer is in close contact with the outer wall of the bamboo fiber composite inner tube, and the outer wall diameter of the bamboo fiber composite inner tube is smaller than the inner wall diameter of the rubber resin lightweight high elasticity layer.

[0009] Preferably, the inner wall of the rubber resin lightweight and highly elastic layer is in close contact with the outer wall of the rib, and the rib is arranged in a spiral structure.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. The present invention provides a bamboo fiber composite inner tube to closely fit the inner convex ring rib. The bamboo fiber composite inner tube and the inner convex ring rib are integrally formed. The inner convex ring rib is made of a high-pressure-resistant bamboo fiber composite material. The inner convex ring rib can enhance the circumferential stiffness of the bamboo fiber composite inner tube. When under pressure, it cooperates with the wall of the bamboo fiber composite inner tube to bear force, converting radial pressure into circumferential support force of the inner convex ring rib. At the same time, the inner convex ring rib can disturb and stabilize the flow of the fluid in the tube, reducing the impact of pressure fluctuations on the wall of the bamboo fiber composite inner tube.

[0012] 2. The present invention provides a lightweight, highly elastic rubber resin layer to provide a close fit for the ribs. When the bamboo fiber composite outer tube is subjected to pressure, the lightweight, highly elastic rubber resin layer deforms to absorb and buffer the pressure, reducing the impact of external forces on the main structure of the jacking tube. At the same time, spiral ribs are axially arranged within the lightweight, highly elastic rubber resin layer. The ribs are made of a composite of high-strength bamboo fiber and high-performance resin and are integrally formed with the lightweight, highly elastic rubber resin layer. The spiral ribs can function similarly to prestressed steel bars. When the bamboo fiber composite outer tube is subjected to pressure, the spiral ribs can effectively convert external pressure into their own tensile stress, thereby sharing the pressure on the bamboo fiber composite outer tube wall. Furthermore, the presence of the spiral ribs can enhance the torsional resistance of the bamboo fiber composite inner and outer tubes, enabling them to better resist torsional damage caused by uneven stress in complex geological conditions and during construction. By adjusting the diameter, pitch, and number of the spiral ribs, the mechanical properties of the bamboo fiber composite inner and outer tubes can be optimized according to different engineering requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a perspective view of the present invention;

[0014] Figure 2 It is a schematic structural diagram of the present invention in elevation and section;

[0015] Figure 3 It is a structural schematic diagram of the rib part of the present invention.

[0016] In the figure: 1. Bamboo fiber composite inner tube; 2. Inner convex ring rib; 3. Lightweight and highly elastic rubber resin layer; 4. Ribs; 5. Bamboo fiber composite outer tube; 6. Nano-titanium dioxide coating. DETAILED DESCRIPTION

[0017] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be understood as limiting the present invention.

[0018] The following describes an embodiment of the present invention based on its overall structure.

[0019] See also Figure 1-3 A high-pressure-resistant bamboo fiber composite jacking pipe comprises a bamboo fiber composite inner pipe 1. The inner wall of the bamboo fiber composite inner pipe 1 is provided with inner convex annular ribs 2. The inner convex annular ribs 2 are arranged at equal intervals on the inner wall of the bamboo fiber composite inner pipe 1, and the inner convex annular ribs 2 are arranged in a circular ring structure. By arranging the bamboo fiber composite inner pipe 1, the inner convex annular ribs 2 are tightly fitted. The bamboo fiber composite inner pipe 1 and the inner convex annular ribs 2 are integrally formed. The inner convex annular ribs 2 are made of high-pressure-resistant bamboo fiber composite material. The inner convex annular ribs 2 can enhance the annular stiffness of the bamboo fiber composite inner pipe 1. When under pressure, they cooperate with the wall of the bamboo fiber composite inner pipe 1 to bear force, converting the radial pressure into the annular supporting force of the inner convex annular ribs 2. At the same time, the inner convex annular ribs 2 can play a turbulent and stabilizing role on the fluid in the pipe, reducing the impact of pressure fluctuations on the wall of the bamboo fiber composite inner pipe 1.

[0020] See also Figure 1-3 A high-pressure-resistant bamboo fiber composite jacking pipe, the outer wall of the bamboo fiber composite inner pipe 1 is bonded with a rubber resin lightweight high-elasticity layer 3, the inner wall of the rubber resin lightweight high-elasticity layer 3 is tightly fitted with the outer wall of the bamboo fiber composite inner pipe 1, and the outer wall diameter of the bamboo fiber composite inner pipe 1 is smaller than the inner wall diameter of the rubber resin lightweight high-elasticity layer 3, the inner wall of the rubber resin lightweight high-elasticity layer 3 is bonded with ribs 4, the inner wall of the rubber resin lightweight high-elasticity layer 3 is tightly fitted with the outer wall of the ribs 4, and the ribs 4 are arranged in a spiral structure, the outer wall of the rubber resin lightweight high-elasticity layer 3 is bonded with a bamboo fiber composite outer pipe 5, and the outer wall of the bamboo fiber composite outer pipe 5 is bonded with a nano-titanium dioxide coating 6. By arranging the rubber resin lightweight high-elasticity layer 3, the ribs 4 are tightly fitted. When the bamboo fiber composite outer pipe 5 is under pressure, the rubber resin lightweight high-elasticity layer 3 deforms to absorb and buffer the pressure, thereby reducing the external force on the main structure of the jacking pipe. impact, and at the same time, spiral ribs 4 are arranged axially inside the lightweight and highly elastic layer 3 of rubber resin. The ribs 4 are made of a composite of high-strength bamboo fiber and high-performance resin, and are integrally formed with the lightweight and highly elastic layer 3 of rubber resin. The spiral ribs 4 can play a role similar to that of prestressed steel bars. When the bamboo fiber composite outer tube 5 is under pressure, the spiral ribs 4 can effectively convert the external pressure into its own tensile stress, thereby sharing the pressure on the wall of the bamboo fiber composite outer tube 5. Moreover, the presence of the spiral ribs 4 can enhance the torsional resistance of the bamboo fiber composite inner tube 1 and the bamboo fiber composite outer tube 5, so that they can better resist torsional damage caused by uneven force under complex geological conditions and construction processes. By adjusting the diameter, pitch and number of the spiral ribs 4, the mechanical properties of the bamboo fiber composite inner tube 1 and the bamboo fiber composite outer tube 5 can be targetedly optimized according to different engineering requirements.

[0021] Working principle: When in use, take out the device and place it in the designated position, integrate the bamboo fiber composite inner tube 1 and the inner convex ring rib 2, integrate the rubber resin lightweight and high elastic layer 3 and the rib 4, compositely extrude the rubber resin lightweight and high elastic layer 3 on the bamboo fiber composite inner tube 1, extrude the bamboo fiber composite outer tube 5 on the rubber resin lightweight and high elastic layer 3, apply the nano titanium dioxide coating 6 on the outer wall of the bamboo fiber composite outer tube 5, and finally assemble the device. The use process of the device is completed. The contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-compression bamboo fiber composite jacking pipe, comprising a bamboo fiber composite inner pipe (1), characterized in that: The inner wall of the bamboo fiber composite inner tube (1) is provided with an inner convex ring rib (2); The outer wall of the bamboo fiber composite inner tube (1) is laminated with a rubber resin lightweight high elasticity layer (3), the inner wall of the rubber resin lightweight high elasticity layer (3) is laminated with ribs (4), the outer wall of the rubber resin lightweight high elasticity layer (3) is laminated with a bamboo fiber composite outer tube (5), and the outer wall of the bamboo fiber composite outer tube (5) is laminated with a nano titanium dioxide coating (6).

2. The high-compression-resistant bamboo fiber composite jacking pipe according to claim 1, characterized in that: The inner convex ring ribs (2) are arranged at equal intervals on the inner wall of the bamboo fiber composite inner tube (1), and the inner convex ring ribs (2) are arranged in a circular ring structure.

3. The high-compression-resistant bamboo fiber composite jacking pipe according to claim 1, characterized in that: The inner wall of the rubber resin lightweight high elasticity layer (3) is tightly fitted to the outer wall of the bamboo fiber composite inner tube (1), and the outer wall diameter of the bamboo fiber composite inner tube (1) is smaller than the inner wall diameter of the rubber resin lightweight high elasticity layer (3).

4. The high-compression-resistant bamboo fiber composite jacking pipe according to claim 1, characterized in that: The inner wall of the rubber resin lightweight high elasticity layer (3) is tightly fitted with the outer wall of the rib (4), and the rib (4) is arranged in a spiral structure.

Images