FRP skeleton reinforced PP composite polyethylene winding pipe

Abstract

The utility model belongs to the technical field of winding pipes, and particularly relates to an FRP framework reinforced PP composite polyethylene winding pipe which comprises a winding pipe body, first grooves are formed in the winding pipe body, the first grooves are spirally arranged, outer ribs are arranged in the first grooves, the winding pipe body is formed by hot melting lap joint of plastic strips, and the outer ribs are arranged in the first grooves. An outer rib is arranged on the winding pipe body, a first compression-resistant assembly is arranged in the outer rib, second compression-resistant assemblies are arranged on the winding pipe body located on the two sides of the outer rib, the first compression-resistant assembly comprises a first hollow hole, and the first hollow hole is formed in the outer rib. The winding pipe has the beneficial effects that pressure borne by the winding pipe body can be counteracted multiple times, then the anti-pressure capacity of the winding pipe body can be greatly improved, the service life of the winding pipe body can be prolonged by improving the anti-pressure capacity of the winding pipe body, and in addition, the application range of the winding pipe body is further widened.

Description

Technical Field

[0001] The utility model relates to the technical field of winding pipes, in particular to an FRP skeleton reinforced PP composite polyethylene winding pipe. Background Art

[0002] The spiral hose is a spiral sheath made of polypropylene, polyethylene or nylon by hot winding and shaping extrusion process. It is a new product that replaces the metal spring used for traditional hose protection.

[0003] When the existing spiral pipe is used as a buried drainage pipe or sewage pipe, it needs to withstand the pressure of the ground. However, the existing spiral pipe has a low structural strength, which results in its general compressive resistance and is difficult to withstand large ground pressure. Although the existing spiral pipe has a hollow hole to improve the compressive resistance of the spiral pipe, it still has insufficient compressive resistance. Therefore, the FRP skeleton reinforced PP composite polyethylene spiral pipe is invented. Utility Model Content

[0004] In view of the above problems and / or the problems existing in the existing FRP skeleton reinforced PP composite polyethylene winding pipe, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide an FRP skeleton reinforced PP composite polyethylene winding pipe, which can solve the above-mentioned existing problems.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] The FRP skeleton reinforced PP composite polyethylene winding pipe comprises a winding pipe body, the winding pipe body is provided with a first groove, and the first groove is arranged in a spiral shape, an outer rib is arranged in the first groove, the winding pipe body is formed by hot-melt overlapping of plastic strips, a first pressure-resistant component is arranged in the outer rib, and a second pressure-resistant component is arranged on the winding pipe body located on both sides of the outer rib.

[0008] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, the first pressure-resistant component includes:

[0009] A first hollow hole, wherein the first hollow hole is opened in the outer rib and the first hollow holes are arranged in a spiral shape;

[0010] PP filler, the first hollow hole is filled with PP filler.

[0011] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, the second pressure-resistant component includes:

[0012] A second mounting hole is provided on the winding tube body on the left side of the outer rib;

[0013] a first reinforcing rib, wherein the first reinforcing rib is fixedly mounted in the second mounting hole;

[0014] A third mounting hole is provided on the winding tube body on the right side of the outer rib;

[0015] A second reinforcing rib is fixedly mounted in the third mounting hole.

[0016] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, wherein: the second mounting holes are arranged in a spiral shape, the third mounting holes are arranged in a spiral shape, the first reinforcing ribs are made of FRP material, and the second reinforcing ribs are made of FRP material.

[0017] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, it also includes:

[0018] A third pressure-resistant component is used for resisting the pressure of the winding tube body located between the outer rib protrusions, and the third pressure-resistant component is arranged on the winding tube body.

[0019] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, the third pressure-resistant component includes:

[0020] An installation groove is provided on the winding tube body between the outer rib protrusions;

[0021] A filling block, wherein the filling block is fixedly installed in the installation groove;

[0022] a first mounting hole, wherein the first mounting hole is opened in the filling block;

[0023] An elastic sheet, wherein the elastic sheet is fixedly mounted in the first mounting hole;

[0024] Second hollow holes: a plurality of second hollow holes are formed on the filling block.

[0025] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, the third pressure-resistant component also includes:

[0026] A compression belt is provided between the projections of the two sets of outer ribs;

[0027] Hollow tubes, a plurality of hollow tubes are fixedly installed between the pressure belt and the filling block;

[0028] Spring, the two groups of hollow tubes are fixedly connected by the spring.

[0029] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, positioning grooves are opened on the winding pipe body located on both sides of the installation groove, and the positioning grooves are connected with the installation grooves, and positioning plates are fixedly installed at both ends of the elastic sheet, and the positioning plates are inserted in the positioning grooves.

[0030] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, wherein: the installation groove is arranged in a spiral shape, the first installation hole is arranged in a spiral shape, the material of the filling block is provided with PP material, the cross-sectional shape of the elastic sheet is set to be wavy, and the elastic sheet is arranged in a spiral shape, and the second hollow hole is arranged in a spiral shape.

[0031] As a preferred solution of the FRP skeleton reinforced PP composite polyethylene winding pipe described in the utility model, wherein: the pressure belt is arranged in a spiral shape, the hollow tube is arranged in a spiral shape, and the spring is arranged in a spiral shape.

[0032] Compared with existing technologies:

[0033] By providing the first pressure-resistant component, the second pressure-resistant component and the third pressure-resistant component, the pressure on the winding pipe body can be offset multiple times, thereby greatly improving the pressure resistance of the winding pipe body. By improving the pressure resistance of the winding pipe body, the service life of the winding pipe body can be improved, and the application scenarios of the winding pipe body can be further improved. In addition, the third pressure-resistant component can also protect the winding pipe body to a certain extent to prevent the winding pipe from being corroded, thereby improving the service life of the winding pipe body to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0035] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0036] Figure 3 It is a top view schematic diagram of the hollow tube and spring structure of the utility model;

[0037] Figure 4 It is a schematic diagram of the local structure of the elastic sheet of the utility model;

[0038] Figure 5 It is a schematic diagram of the partial structure of the utility model;

[0039] Figure 6 It is a front view schematic diagram of the structure of the utility model.

[0040] In the figure: a winding tube body 10, a first groove 11, an outer rib 12, a first hollow hole 13, a PP filler 14, a first reinforcing rib 15, a second reinforcing rib 16, a mounting groove 20, a filling block 21, a first mounting hole 22, an elastic sheet 23, a second hollow hole 24, a pressure belt 30, a hollow tube 31, a spring 32, a positioning groove 40, and a positioning plate 41. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0042] This utility model provides FRP skeleton reinforced PP composite polyethylene winding pipe, please refer to Figure 1-Figure 6 , including a winding tube body 10, a first groove 11 is opened on the winding tube body 10, and the first groove 11 is arranged in a spiral shape, an outer rib 12 is arranged in the first groove 11, the winding tube body 10 is formed by hot-melt overlapping of plastic strips, a first pressure-resistant component is arranged in the outer rib 12, and a second pressure-resistant component is arranged on the winding tube body 10 located on both sides of the outer rib 12.

[0043] The first pressure-resistant component includes: a first hollow hole 13 and a PP filler 14;

[0044] The first hollow holes 13 are opened in the outer rib 12 , and the first hollow holes 13 are arranged in a spiral shape. The first hollow holes 13 are filled with PP fillers 14 .

[0045] The second pressure-resistant assembly includes: a second mounting hole, a first reinforcing rib 15, a third mounting hole, and a second reinforcing rib 16;

[0046] A second mounting hole is provided on the winding tube body 10 located on the left side of the outer rib 12, and the first reinforcing rib 15 is fixedly installed in the second mounting hole. A third mounting hole is provided on the winding tube body 10 located on the right side of the outer rib 12, and the second reinforcing rib 16 is fixedly installed in the third mounting hole. The second mounting holes are arranged in a spiral shape, and the third mounting holes are arranged in a spiral shape. The first reinforcing rib 15 is made of FRP material, and the second reinforcing rib 16 is made of FRP material. FRP, namely fiber reinforced plastic, generally refers to an unsaturated polyester, epoxy resin and phenolic resin matrix reinforced with glass fiber, commonly known as glass fiber reinforced plastic. FRP has the advantages of high strength, light weight, high corrosion resistance, high aging resistance and high temperature resistance.

[0047] It also includes: a third pressure-resistant component for resisting pressure on the winding pipe body 10 located between the protrusions of the outer rib 12, and the third pressure-resistant component is arranged on the winding pipe body 10;

[0048] The third pressure-resistant assembly includes: a mounting groove 20, a filling block 21, a first mounting hole 22, an elastic sheet 23, a second hollow hole 24, a pressure belt 30, a hollow tube 31, a spring 32, a positioning groove 40, and a positioning plate 41;

[0049] A mounting groove 20 is provided on the winding tube body 10 between the protrusions of the outer ribs 12, a filling block 21 is fixedly installed in the mounting groove 20, a first mounting hole 22 is provided in the filling block 21, an elastic sheet 23 is fixedly installed in the first mounting hole 22, a plurality of second hollow holes 24 are provided on the filling block 21, a pressure belt 30 is provided between the protrusions of the two groups of outer ribs 12, the pressure belt 30 is made of FRP material, a plurality of hollow tubes 31 are fixedly installed between the pressure belt 30 and the filling block 21, the material of the hollow tube 31 is set to spring steel, the two groups of hollow tubes 31 are fixedly connected by springs 32, and are located on both sides of the mounting groove 20 A positioning groove 40 is provided on the winding tube body 10, and the positioning groove 40 is communicated with the mounting groove 20, positioning plates 41 are fixedly installed at both ends of the elastic sheet 23, and the positioning plates 41 are inserted in the positioning groove 40, the mounting groove 20 is arranged in a spiral shape, the first mounting hole 22 is arranged in a spiral shape, the material of the filling block 21 is PP material, the cross-sectional shape of the elastic sheet 23 is set to be wavy, and the elastic sheet 23 is arranged in a spiral shape, the material of the elastic sheet 23 is set to be spring steel, the second hollow hole 24 is arranged in a spiral shape, the pressure belt 30 is arranged in a spiral shape, the hollow tube 31 is arranged in a spiral shape, and the spring 32 is arranged in a spiral shape. Among them, the positioning plate 41 is first inserted into the positioning groove 40 so that the elastic sheet 23 is suspended in the installation groove 20. Then, the filling material is added to the installation groove 20. After solidification, a filling block 21 can be formed in the installation groove 20. At this time, the elastic sheet 23 is located in the filling block 21. After that, the hollow tube 31 is fixedly installed on the surface of the filling block 21 (the spring 32 has been fixed between the two groups of hollow tubes 31), and then the pressure belt 30 is set between the protrusions of the two groups of outer ribs 12, and the pressure belt 30 is connected to the hollow tube 31. At this point, the installation of the third pressure-resistant component is completed.

[0050] Working principle: When the winding pipe body 10 is buried underground, the pressure generated by the ground will squeeze the winding pipe body 10. When the pressure generated by the ground squeezes the winding pipe body 10, its outer ribs 12 will squeeze the PP filler 14. At this time, the PP filler 14 will be deformed and generate elastic force. In addition, the first reinforcing ribs 15 and the second reinforcing ribs 16 will also be squeezed to generate elastic force. At the same time, the pressure belt 30 will squeeze the hollow tube 31 and the spring 32 to make the hollow tube 31 and the spring 32 deform and generate elastic force. When the hollow tube 31 and the spring 32 are deformed and generate elastic force, the filling block 21 will be squeezed. At this time, the elastic sheet 23 will be deformed and generate elastic force. At this point, the pressure generated by the ground can be offset to a certain extent, thereby improving the pressure resistance of the winding pipe body 10.

[0051] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An FRP skeleton reinforced PP composite polyethylene winding pipe, comprising a winding pipe body (10), wherein the winding pipe body (10) is provided with a first groove (11), and the first grooves (11) are arranged in a spiral shape, and an outer rib (12) is provided in the first groove (11), and the winding pipe body (10) is formed by hot-melt overlapping of plastic strips, characterized in that: A first pressure-resistant component is provided in the outer rib (12), and a second pressure-resistant component is provided on the winding tube body (10) located on both sides of the outer rib (12).

2. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 1, characterized in that: The first pressure-resistant component comprises: First hollow holes (13), wherein the first hollow holes (13) are formed in the outer rib (12), and the first hollow holes (13) are arranged in a spiral shape; PP filler (14), the first hollow hole (13) is filled with PP filler (14).

3. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 1, characterized in that: The second pressure-resistant component comprises: A second mounting hole is provided on the winding tube body (10) on the left side of the outer rib (12); A first reinforcing rib (15), wherein the first reinforcing rib (15) is fixedly mounted in the second mounting hole; A third mounting hole is provided on the winding tube body (10) on the right side of the outer rib (12); A second reinforcing rib (16), wherein the second reinforcing rib (16) is fixedly mounted in the third mounting hole.

4. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 3, characterized in that: The second mounting holes are arranged in a spiral shape, the third mounting holes are arranged in a spiral shape, the first reinforcing ribs (15) are made of FRP material, and the second reinforcing ribs (16) are made of FRP material.

5. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 1, characterized in that: Also includes: A third pressure-resistant component is used for resisting pressure on a winding tube body (10) located between the protrusions of the outer ribs (12), and the third pressure-resistant component is arranged on the winding tube body (10).

6. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 5, characterized in that: The third pressure-resistant component comprises: A mounting groove (20), the winding tube body (10) being provided with a mounting groove (20) between the protrusions of the outer rib (12); A filling block (21), wherein the filling block (21) is fixedly installed in the installation groove (20); A first mounting hole (22), wherein the first mounting hole (22) is opened in the filling block (21); An elastic sheet (23), wherein the elastic sheet (23) is fixedly mounted in the first mounting hole (22); Second hollow holes (24), a plurality of second hollow holes (24) are provided on the filling block (21).

7. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 6, characterized in that: The third pressure-resistant component also includes: A pressure belt (30), wherein a pressure belt (30) is provided between the protrusions of the two groups of outer ribs (12); Hollow tubes (31), a plurality of hollow tubes (31) are fixedly installed between the pressure belt (30) and the filling block (21); Spring (32), the two groups of hollow tubes (31) are fixedly connected via the spring (32).

8. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 7, characterized in that: Positioning grooves (40) are provided on the winding tube body (10) at both sides of the installation groove (20), and the positioning grooves (40) are connected to the installation groove (20). Positioning plates (41) are fixedly installed at both ends of the elastic sheet (23), and the positioning plates (41) are inserted into the positioning grooves (40).

9. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 8, characterized in that: The mounting grooves (20) are arranged in a spiral shape, the first mounting holes (22) are arranged in a spiral shape, the material of the filling block (21) is provided with PP material, the cross-sectional shape of the elastic sheet (23) is set to be wavy, and the elastic sheet (23) is arranged in a spiral shape, and the second hollow holes (24) are arranged in a spiral shape.

10. The FRP skeleton reinforced PP composite polyethylene winding pipe according to claim 9, characterized in that: The pressure belt (30) is arranged in a spiral shape, and the hollow tube (31) is arranged in a spiral shape. The spring (32) is arranged in a spiral shape.

Images