CN220302987U - Spiral winding pipe is strengthened to cladding shaped steel area - Google Patents
Spiral winding pipe is strengthened to cladding shaped steel area Download PDFInfo
- Publication number
- CN220302987U CN220302987U CN202321821514.4U CN202321821514U CN220302987U CN 220302987 U CN220302987 U CN 220302987U CN 202321821514 U CN202321821514 U CN 202321821514U CN 220302987 U CN220302987 U CN 220302987U
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- Prior art keywords
- strip
- steel belt
- pipe body
- spirally wound
- sides
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 238000004804 winding Methods 0.000 title claims abstract description 30
- 238000005253 cladding Methods 0.000 title description 2
- 239000000463 material Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to a coated steel belt reinforced spiral winding pipe, which comprises a pipe body, a steel belt spirally wound outside the pipe body and an outer layer coated outside the steel belt, wherein two sides of the outer layer are adhered to the outer surface of the pipe body; the steel belt is in a curved shape with an arch shape in the middle, the two sides of the steel belt are flat edges, and the flat edges on the two sides of the steel belt are attached to the outer surface of the pipe body. The steel belt is spirally wound outside the pipe body, an outer layer is coated outside the steel belt, the pipe body and the outer layer are independently wound, and the pipe body and the outer layer cannot be damaged due to the spiral winding of the steel belt; the two sides of the steel belt are flat edges and the middle of the steel belt is arched, when the steel belt is wound, the flat edges of the two sides of the steel belt are attached to the outer surface of the pipe body, and the steel belt is not spirally wound in an upright state, so that a standing rib is not required to be arranged on the pipe body, and the phenomenon of deformation of the standing rib can not occur.
Description
Technical Field
The utility model belongs to the field of winding pipe structures, and particularly relates to a coated steel belt reinforced spiral winding pipe.
Background
The spiral winding pipe is formed by bonding sheet materials in the spiral axial direction, so that pipes with any length can be processed, and the caliber of the pipes can be adjusted arbitrarily according to the needs, so that the number of the spiral winding pipes is gradually increased and the spiral winding pipe is applied to various occasions.
The pipe is buried underground and subjected to earth pressure above and around, and therefore, an important parameter of the pipe is the ring stiffness. In order to improve the ring stiffness, the wall thickness of the pipe can be improved, but after the wall thickness is increased, the material consumption of the pipe is increased, the production cost is increased, the overall weight of the pipe is increased, and the difficulty in transportation and installation is increased.
However, the above method has some problems in use: after setting up the stud, the outward appearance of tubular product has spiral stud, and when filling with earth, the clearance between the adjacent stud can be filled by the soil body, extrudees the stud easily this moment, causes stud deformation slope, influences ring rigidity. In order to improve the ring stiffness, a steel belt is arranged in the stud, but after the steel belt is arranged in the stud, the steel belt needs to be extruded synchronously with the plastic, and after extrusion, the steel belt is subjected to bending spiral winding, so that the stud is damaged.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a coated steel belt reinforced spiral winding pipe, a steel belt is spirally wound outside the pipe body, and an outer layer is coated outside the steel belt, so that the spiral winding of the steel belt can be independently carried out, and the steel belt is coated after the spiral winding, so that the outer layer and the pipe body cannot be damaged due to the spiral winding bending of the steel belt.
The specific technical scheme of the utility model is as follows: a coated steel belt reinforced spiral winding pipe comprises a pipe body, a steel belt spirally wound outside the pipe body and an outer layer coated outside the steel belt, wherein two sides of the outer layer are adhered to the outer surface of the pipe body; the steel belt is in a curved shape with an arch shape in the middle, the two sides of the steel belt are flat edges, and the flat edges on the two sides of the steel belt are attached to the outer surface of the pipe body.
The steel belt is spirally wound outside the pipe body, an outer layer is coated outside the steel belt, the pipe body and the outer layer are independently wound, and the pipe body and the outer layer cannot be damaged due to the spiral winding of the steel belt; the two sides of the steel belt are flat edges and the middle of the steel belt is arched, when the steel belt is wound, the flat edges of the two sides of the steel belt are attached to the outer surface of the pipe body, and the steel belt is not spirally wound in an upright state, so that a standing rib is not required to be arranged on the pipe body, and the phenomenon of deformation of the standing rib can not occur.
Further preferably, the tube body is of a spiral winding structure; or the pipe body is of an extrusion molding structure.
Further preferably, the pipe body is of a cylindrical flat wall structure formed by spirally winding a strip, and the butt joint part of the spirally winding strip is covered at the position where the strip is wound.
Further preferably, the tubular body is formed by spirally winding a strip material, and adjacent side edges of the spirally wound strip material overlap each other.
Further preferably, the two kinds of strips are provided, the cross sections of the two kinds of strips are in symmetrical structures, wherein the left side of one strip is straight, the right side of the one strip is a convex part, the right side of the one strip is a vertical plane vertical to the bottom surface, the right side of the other strip is straight, the left side of the other strip is a convex part, and the left side of the other strip is a vertical plane vertical to the bottom surface.
Further preferably, the two strips are spirally wound side by side, the vertical planes of the convex parts of the two strips are opposite, and the steel strip is matched with the convex parts; the convex parts of the strip are of a cavity structure, and the appearance shape of the two opposite convex parts is matched with the shape of the arched curved inner surface in the middle of the steel strip.
Further preferably, the outer surface of the pipe body is further coated with a flat layer, the position of the flat layer is spaced from the position of the outer layer, and the thickness of the flat layer is the sum of the thickness of the steel belt and the thickness of the outer layer.
Further preferably, the two sides of the steel belt are provided with folds, and the direction of the folds is opposite to the direction of the middle arch of the steel belt.
Further preferably, the outer surface of the steel strip is coated with a plastic layer. The plastic layer on the outer surface of the steel belt plays a role in protecting the steel belt.
The beneficial effects of the utility model are as follows: the steel belt is spirally wound outside the pipe body, an outer layer is coated outside the steel belt, the pipe body and the outer layer are independently wound, and the pipe body and the outer layer cannot be damaged due to the spiral winding of the steel belt; the two sides of the steel belt are flat edges and the middle of the steel belt is arched, when the steel belt is wound, the flat edges of the two sides of the steel belt are attached to the outer surface of the pipe body, and the steel belt is not spirally wound in an upright state, so that a standing rib is not required to be arranged on the pipe body, and the phenomenon of deformation of the standing rib can not occur.
Drawings
FIG. 1 is a schematic view of a construction of the present utility model;
FIG. 2 is a schematic illustration of the mating of a steel strip with an outer layer in accordance with the present utility model;
FIG. 3 is a schematic view of a second construction of the present utility model;
FIG. 4 is a schematic view of a second steel strip structure according to the present utility model;
FIG. 5 is a schematic view of a third construction of the present utility model;
FIG. 6 is a schematic view of a fourth construction of the present utility model;
FIG. 7 is a schematic view of a strip construction according to the present utility model;
in the figure: 1. pipe body, 2, strip, 3, outer layer, 4, steel band, 5, plain edge, 6, arch, 7, plain layer, 8, hem, 9, cavity, 10, left strip, 11, right strip, 12, overlap edge, 13, convex part, 14, vertical plane, 15, cavity.
Description of the embodiments
The utility model will now be further described by way of specific examples with reference to the accompanying drawings.
Examples
As shown in FIG. 1 and FIG. 2, the coated steel strip reinforced spiral winding pipe comprises a pipe body 1, a steel strip 4 spirally wound outside the pipe body and an outer layer 3 coated outside the steel strip. The steel belt is in a curved shape with an arch 6 in the middle, the two sides of the steel belt are flat edges 5, the flat edges on the two sides of the steel belt are adhered to the outer surface of the pipe body, the width of the outer layer is larger than that of the steel belt, the outer layer covers the whole steel belt, and the two sides of the outer layer are adhered to the outer surface of the pipe body. The pitch of the steel belt spiral is larger than that of the belt spiral, and the pitch of the outer layer spiral winding is equal to that of the steel belt spiral winding.
The pipe body is of a cylindrical flat wall structure formed by spirally winding the strip 2, adjacent side edges of the spiral winding of the strip are overlapped with each other, and the butt joint part of the spiral winding of the strip is covered at the winding position of the steel strip. The outer surface of the steel belt is coated with a plastic layer.
The strip is spirally wound into a tube body, the outer surface of the tube body is spirally wound with a steel strip, the outer layer covers the steel strip, and a hollow cavity 9 is formed between the middle arch of the steel strip and the outer surface of the tube body.
Examples
As shown in fig. 3, the difference from example 1 is that the outer surface of the pipe body is further spirally wound with a flat layer 7, the flat layer is positioned between two adjacent spirals of the steel belt, two sides of the flat layer are overlapped with two sides of the outer layer, the inner surface of the flat layer is attached to the outer surface of the pipe body, and the thickness of the flat layer is the sum of the thickness of the steel belt and the thickness of the outer layer. The rest of the structure is referred to in example 1.
Examples
As shown in fig. 4 and 5, the difference from example 1 is that the steel strip is provided with flanges 8 on both sides in the opposite direction to the direction of the middle arch of the steel strip, and the height of the flanges is 1/2 of the thickness of the pipe strip. The flat edge of the steel belt is attached to the outer surface of the pipe body, the folded edge is perpendicular to the flat edge, and the folded edge is embedded into the outer surface of the pipe body. The rest of the structure is referred to in example 1.
Examples
As shown in fig. 6 and 7, the difference from embodiment 1 is that the strips are divided into two types, a left strip 10 and a right strip 11, one side of the left strip is straight and forms a lap 12 with reduced thickness at the edge position, the other side of the left strip is provided with a convex part 13, the side edge of the convex part is a vertical plane 14 perpendicular to the bottom surface, the top of the convex part is in an arc shape protruding outwards, and a cavity 15 is arranged in the convex part. One side of the right belt material is straight, a lap joint edge 12 with halved thickness is formed at the edge position, a convex part 13 is arranged at the other side of the left belt material, the side edge of the convex part is a vertical plane 14 vertical to the bottom surface, the top of the convex part is in an outwards convex arc shape, and a cavity 15 is arranged in the convex part. The convex part of the left belt material and the convex part of the right belt material are opposite in position, the convex part of the left belt material is positioned at the right side edge, and the convex part of the right belt material is positioned at the left side edge. The two strips are spirally wound side by side, the left strip is positioned on the left side, the right strip is positioned on the right side, the vertical planes of the convex parts are opposite, and the appearance shape of the two opposite convex parts is matched with the shape of the middle arched curved inner surface of the steel strip. The lap edges with halved thickness are divided into an upper lap edge and a lower lap edge, the left side of the left belt material is the upper lap edge, the right side of the right belt material is the lower lap edge, and when the two belt materials are spirally wound, the upper lap edge is overlapped with the lower lap edge. The rest of the structure is referred to in example 1.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent transformation of the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (9)
1. The reinforced spiral winding pipe with the coated steel belt is characterized by comprising a pipe body, a steel belt spirally wound outside the pipe body and an outer layer coated outside the steel belt, wherein two sides of the outer layer are adhered to the outer surface of the pipe body; the steel belt is in a curved shape with an arch shape in the middle, the two sides of the steel belt are flat edges, and the flat edges on the two sides of the steel belt are attached to the outer surface of the pipe body.
2. The coated steel strip reinforced spirally wound tube of claim 1, wherein the tube body is of a spirally wound configuration; or the pipe body is of an extrusion molding structure.
3. The coated steel strip reinforced spirally wound tube as claimed in claim 1, wherein the tube body has a cylindrical flat wall structure formed by spirally winding a strip material, and the position where the strip material is wound covers the butt joint position where the strip material is spirally wound.
4. The wrapped steel strip reinforced helically wound tube of claim 1, wherein the tube body is helically wound with adjacent sides of the helically wound strip overlapping each other.
5. The reinforced spiral wound pipe of claim 1, wherein the two kinds of strips are symmetrical in cross section, wherein the left side of one strip is straight, the right side is convex, the right side is a vertical plane perpendicular to the bottom surface, the right side of the other strip is straight, the left side is convex, and the left side is a vertical plane perpendicular to the bottom surface.
6. The reinforced spirally wound tube of claim 5, wherein the two strips are spirally wound side by side with the vertical planes of the projections of the two strips facing each other, the strips being mated with the projections; the convex parts of the strip are of a cavity structure, and the appearance shape of the two opposite convex parts is matched with the shape of the arched curved inner surface in the middle of the steel strip.
7. A coated steel strip reinforced spirally wound pipe as claimed in claim 1, 2 or 3 wherein the outer surface of the pipe body is further coated with a flat layer, the flat layer being spaced from the outer layer, the thickness of the flat layer being the sum of the thickness of the steel strip and the thickness of the outer layer.
8. A coated steel strip reinforced helically wound tube as claimed in claim 1, 2 or 3, wherein the strip is provided with folds on both sides in opposite directions to the direction of the middle arch of the strip.
9. A coated steel strip reinforced helically wound tube as claimed in claim 1, 2 or 3, wherein the outer surface of the steel strip is coated with a plastics layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321821514.4U CN220302987U (en) | 2023-07-12 | 2023-07-12 | Spiral winding pipe is strengthened to cladding shaped steel area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321821514.4U CN220302987U (en) | 2023-07-12 | 2023-07-12 | Spiral winding pipe is strengthened to cladding shaped steel area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302987U true CN220302987U (en) | 2024-01-05 |
Family
ID=89350155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321821514.4U Active CN220302987U (en) | 2023-07-12 | 2023-07-12 | Spiral winding pipe is strengthened to cladding shaped steel area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302987U (en) |
-
2023
- 2023-07-12 CN CN202321821514.4U patent/CN220302987U/en active Active
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