CN216242752U - Double-hole double-layer HDPE high-rib winding reinforcing pipe - Google Patents
Double-hole double-layer HDPE high-rib winding reinforcing pipe Download PDFInfo
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- CN216242752U CN216242752U CN202122268853.1U CN202122268853U CN216242752U CN 216242752 U CN216242752 U CN 216242752U CN 202122268853 U CN202122268853 U CN 202122268853U CN 216242752 U CN216242752 U CN 216242752U
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Abstract
The utility model provides a double-hole double-layer HDPE high-rib winding reinforced pipe, which comprises a pipe body and a trapezoidal double-hole reinforced rib pipe, wherein the pipe body is composed of an HDPE bottom belt serving as a pipe wall and the trapezoidal double-hole reinforced rib pipe wound on the pipe wall, the trapezoidal double-hole reinforced rib pipe is formed by coating an HDPE melt flow coating layer on a trapezoidal double-hole PP corrugated pipe, and the pipe body, a socket and a spigot are integrally formed; the trapezoidal double-hole PP corrugated pipe is formed by two PP corrugated pipes with right-angle trapezoidal cross sections which are arranged side by side in a mirror image manner, and two adjacent vertical edges of the PP corrugated pipes are bonded by glue; the trapezoidal diplopore reinforcing ribbed pipe and the HDPE bottom belt are overlapped and wound, and the cross section of the overlapped and wound trapezoidal diplopore reinforcing ribbed pipe is of a double-layer diplopore structure arranged in a shape like a Chinese character 'pin'. The large-diameter plastic drain pipe with the size of 1600-3000 CM can meet the requirement of high ring rigidity.
Description
Technical Field
The utility model relates to a double-hole double-layer HDPE high-rib winding reinforced pipe.
Background
The existing plastic drainage pipe is limited in manufacturing process and cost, so that the existing plastic drainage pipe is rarely applied to large-diameter plastic drainage pipes (DN 2000-4000), and the large-diameter drainage pipes are mainly cement pipes and nodular cast iron pipes in the prior art. The traditional product is not an environment-friendly product due to pollution, and is difficult to construct and high in cost due to heavy weight; because the pipe base treatment requirement is high, the large-caliber cement pipe or the nodular cast iron pipe needs to be connected with a pipe pier in the construction process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-hole double-layer HDPE high-rib winding reinforced pipe which can improve the ring stiffness of a pipe material and enable a large-diameter plastic drain pipe with the size of 1600-3000 mm to meet the requirement of high ring stiffness.
The utility model is realized in such a way that the double-hole double-layer HDPE high-rib winding reinforced pipe comprises a pipe body and a trapezoidal double-hole reinforced rib pipe, wherein the pipe body is composed of an HDPE bottom belt serving as a pipe wall and the trapezoidal double-hole reinforced rib pipe wound on the pipe wall, the trapezoidal double-hole reinforced rib pipe is formed by coating an HDPE melt flow coating layer on a trapezoidal double-hole PP corrugated pipe, one end of the pipe body is provided with a socket, and the other end of the pipe body is provided with a socket; the pipe body is integrally formed with the socket and the spigot; the trapezoidal double-hole PP corrugated pipe is formed by two PP corrugated pipes with right-angle trapezoidal cross sections in parallel in a mirror image mode, and two adjacent vertical edges of the PP corrugated pipes are bonded by glue; the trapezoidal diplopore reinforcing ribbed pipe and the HDPE bottom belt are overlapped and wound, and the cross section of the overlapped and wound trapezoidal diplopore reinforcing ribbed pipe is of a double-layer diplopore structure arranged in a shape like a Chinese character 'pin'.
The cross section of the PP corrugated pipe is rectangular, triangular or circular.
The utility model has the advantages that the outer reinforcing ribbed pipe of the pipe is formed by wrapping two rectangular trapezoid PP corrugated pipes which are arranged in a bonding way by HDPE, and the middle part of the cross section of the reinforcing ribbed pipe forms a vertical composite vertical rib; and the second layer of reinforcing rib pipe and the first layer of reinforcing rib pipe are staggered, overlapped and wound, the cross section of the reinforcing rib pipe outside the pipe body after overlapping and winding is of a double-layer structure in a shape like the Chinese character 'pin', and the large-caliber plastic drain pipe with the size of 1600-3000 mm can meet the requirement of high ring stiffness.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a cross-sectional view of the present invention.
FIG. 3 is a schematic cross-sectional view of a trapezoidal double-hole reinforced ribbed pipe and an HDPE bottom belt according to the present invention.
In the figure: coating the HDPE molten material flow; 3, HDPE base band; 4. a socket; 5. a socket; the Chinese character pin is arranged in a shape like a Chinese character pin; 7. a left right trapezoid PP bellows; 8. right trapezoid PP bellows.
Detailed Description
The utility model relates to a double-hole double-layer HDPE high-rib winding reinforced pipe, which comprises a pipe body and a trapezoidal double-hole reinforced rib pipe, wherein the pipe body is composed of an HDPE bottom belt serving as a pipe wall and the trapezoidal double-hole reinforced rib pipe wound on the pipe wall, the trapezoidal double-hole reinforced rib pipe is formed by coating a HDPE molten material flow coating layer 1 on a trapezoidal double-hole PP corrugated pipe, one end of the pipe body is provided with a socket 4, and the other end of the pipe body is provided with a socket 5; the pipe body is integrally formed with the socket and the spigot; the trapezoidal double-hole PP corrugated pipe is formed by two PP corrugated pipes 7 with right-angled trapezoidal cross sections, 8 with right-angled trapezoidal cross sections in parallel in a mirror image mode, and two adjacent vertical edges of the two PP corrugated pipes are bonded by glue; the trapezoid double-hole reinforced ribbed pipe and the HDPE bottom belt 3 are wound in a superposition mode, and the cross section of the trapezoid double-hole reinforced ribbed pipe after the superposition winding is of a double-layer double-hole structure with the arrangement in a shape like a Chinese character 'pin' 6.
The cross section of the PP corrugated pipe is rectangular, triangular or circular.
The utility model adopts a pipe mould containing a bell and spigot and adopts a hot winding forming process. In a rib tube neck mold provided with a trapezoidal rib coating mold, HDPE in a molten state is coated on two sticky right-angle trapezoidal PP corrugated tubes to form PP double-high rib trapezoidal reinforced rib tubes, composite vertical ribs are formed in the middle of the sections of the trapezoidal reinforced rib tubes to serve as support structures, a bottom belt and the trapezoidal reinforced rib tubes are synchronously wound on the surface of a steel tube mold with bell and spigot models at two ends in the molten state, namely, a hot winding one-step forming process is adopted to form a tube body structure with a smooth inner surface, a spiral trapezoidal reinforced rib tube on the outer wall and an integrally formed bell and spigot; and then, winding a second layer, namely synchronously winding the bottom belt and the trapezoidal reinforcing rib pipes on the trapezoidal reinforcing rib pipes of the first layer in a molten state, wherein the second layer of reinforcing rib pipes and the first layer of reinforcing rib pipes are staggered, overlapped and wound, and the cross sections of the two layers of reinforcing rib pipes after overlapping and winding are in a 'product' -shaped arrangement 6 double-layer double-hole structure. The large-diameter plastic drain pipe with the size of 1600-3000 mm can meet the requirement of high ring rigidity.
The following is the HDPE double-layer double-hole trapezoidal rib winding pipe detection report with the diameter of 3000mm for inspection:
HDPE double-layer double-hole trapezoidal rib winding pipe detection report (3000mm)
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A double-hole double-layer HDPE high-rib winding reinforced pipe comprises a pipe body and a trapezoidal double-hole reinforced rib pipe, wherein the pipe body is composed of an HDPE bottom belt serving as a pipe wall and a trapezoidal double-hole reinforced rib pipe wound on the pipe wall, the trapezoidal double-hole reinforced rib pipe is formed by covering a trapezoidal double-hole PP corrugated pipe with an HDPE molten material flow covering layer (1), one end of the pipe body is provided with a socket (4), and the other end of the pipe body is provided with a socket (5); the pipe body is integrally formed with the socket and the spigot; the trapezoidal double-hole PP corrugated pipe is formed by two PP corrugated pipes (7) with right-angle trapezoidal cross sections and two PP corrugated pipes (8) with right-angle trapezoidal cross sections which are arranged side by side in a mirror image manner, wherein two adjacent vertical edges of the two PP corrugated pipes are bonded by glue; the method is characterized in that: the trapezoid double-hole reinforced ribbed pipe and the HDPE bottom belt (3) are wound in a superposition mode, and the cross section of the trapezoid double-hole reinforced ribbed pipe after the superposition winding is of a double-layer double-hole structure with a structure in a shape like a Chinese character 'pin' (6).
2. The double-hole double-layer HDPE high-rib winding reinforced pipe as claimed in claim 1, which is characterized in that: the cross section of the PP corrugated pipe is rectangular, triangular or circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122268853.1U CN216242752U (en) | 2021-09-18 | 2021-09-18 | Double-hole double-layer HDPE high-rib winding reinforcing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122268853.1U CN216242752U (en) | 2021-09-18 | 2021-09-18 | Double-hole double-layer HDPE high-rib winding reinforcing pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242752U true CN216242752U (en) | 2022-04-08 |
Family
ID=80984588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122268853.1U Active CN216242752U (en) | 2021-09-18 | 2021-09-18 | Double-hole double-layer HDPE high-rib winding reinforcing pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242752U (en) |
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2021
- 2021-09-18 CN CN202122268853.1U patent/CN216242752U/en active Active
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