CN211475116U - Polyethylene steel reinforced multi-cavity high-resistance pipe - Google Patents
Polyethylene steel reinforced multi-cavity high-resistance pipe Download PDFInfo
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- CN211475116U CN211475116U CN201922254315.XU CN201922254315U CN211475116U CN 211475116 U CN211475116 U CN 211475116U CN 201922254315 U CN201922254315 U CN 201922254315U CN 211475116 U CN211475116 U CN 211475116U
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Abstract
The utility model relates to a polyethylene steel reinforced multi-cavity high-resistance pipe, which comprises a pipe body formed by spirally winding a winding unit and bonding the pipe body by molten glue, a steel reinforcing belt wound outside the pipe body and an outer cover sheet covering the pipe body and the outer inner cavity of the steel reinforcing belt; the pipe body is provided with a wave crest and a wave trough which extend in a spiral way, and the steel reinforcing belt is wound at the wave trough in a spiral way; the winding unit comprises bulges with cavities at two sides and a concave part between the two bulges, and an internal reinforcing belt with an internal cavity is arranged at the concave part; the cross section of the steel reinforcing belt is in a curved shape, and two side parts of the steel reinforcing belt are directly contacted with the outer surface of the inner reinforcing belt. The steel reinforcing belt is spirally wound at the wave trough of the pipe body, and the steel reinforcing belt is not directly contacted with the outer surface of the single-layer pipe wall, but is contacted with the outer surface of the inner reinforcing belt, so that the strength of the pipe wall part is enhanced, the stress condition of the pipe wall part is improved, the radial height of the steel reinforcing belt can be reduced, and the radial support stability of the steel reinforcing belt is optimized.
Description
Technical Field
The utility model relates to a pipeline structure especially relates to a polyethylene steel reinforcing multicavity high-resistance pipe.
Background
With the pace of urban construction quickening, the use of the drain pipe is more and more extensive, and the requirement on the drain pipe is higher and higher. An important parameter index of the drain pipe is ring stiffness, the ring stiffness is an important index of the drain pipe bearing radial acting force under the ground, the ring stiffness is high, the radial bearing force of the drain pipe is greatly improved after the drain pipe is buried, namely, the drain pipe is higher in safety after being buried, and the possibility of crushing is reduced, so that all drain pipe manufacturers are researching how to improve the ring stiffness of the drain pipe.
To increase ring rigidity, can realize through the mode that increases pipeline wall thickness, that is to say through increasing the material quantity, but the whole weight of tubular product can be aggravated after the material quantity increases, and the material of tubular product increases for tubular product cost increase, the cost of transportation also can rise.
Therefore, the design is made, the ring stiffness of the pipeline is improved by adding the steel reinforcing belt in the pipeline, but most of the existing steel reinforcing belts are wound on the concave parts of the pipe belt, the steel reinforcing belts are directly contacted with the appearance of the pipe wall of the pipe belt, the radial acting force acts on the appearance of the pipe wall through the steel reinforcing belts, the stress condition of the pipe wall part is improved slightly, the steel reinforcing belts are directly exposed or plastic-coated layers are coated outside the steel reinforcing belts, but the contact between the convex parts on the two sides of the pipe belt and the steel reinforcing belts is less, and the unified integrated bearing structure cannot be realized.
Disclosure of Invention
The utility model provides a polyethylene steel reinforced multi-cavity high-resistance pipe, wherein an inner reinforcing band is arranged on the outer surface of a concave part of a pipe band, and the steel reinforcing band is contacted with the outer surface of the inner reinforcing band, so that the strength of a pipe wall part is enhanced, the stress condition of the pipe wall part is improved, the radial height of the steel reinforcing band can be reduced, and the radial support stability of the pipe can be optimized; and meanwhile, the outer cover plate covers the convex part and the concave part of the pipe belt, the outer cover plate also covers the top position of the steel reinforcing belt, and the convex parts and the concave parts on the two sides of the pipe belt are linked with each other, so that an integrated bearing structure is realized.
The utility model discloses a concrete technical scheme does: a polyethylene steel reinforced multi-cavity high-resistance pipe comprises a pipe body, a steel reinforcing belt and an outer cover sheet, wherein the pipe body is spirally wound by a winding unit and is formed by bonding molten glue; the pipe body is provided with a wave crest and a wave trough which extend in a spiral way, and the steel reinforcing belt is wound at the wave trough in a spiral way; the winding unit comprises bulges with cavities at two sides and a concave part between the two bulges, and an internal reinforcing belt with an internal cavity is arranged at the concave part; the cross section of the steel reinforcing belt is in a curved shape, and two side parts of the steel reinforcing belt are directly contacted with the outer surface of the inner reinforcing belt.
An inner reinforcing belt is arranged at a concave part of the winding unit, the inner reinforcing belt is provided with an inner cavity, the inner reinforcing belt is spirally wound along with the winding unit, the spirally extending inner reinforcing belt is arranged at the trough position of the pipe body, the steel reinforcing belt is spirally wound at the trough position of the pipe body, the steel reinforcing belt is not directly contacted with the appearance of the single-layer pipe wall, but is contacted with the appearance of the inner reinforcing belt, so that the strength of the pipe wall part is enhanced, the stress condition of the pipe wall part is improved, the radial height of the steel reinforcing belt can be reduced, and the radial support stability of the steel reinforcing belt is optimized; meanwhile, an outer cover plate covers the outer part of the pipe belt, covers the convex part and the concave part of the pipe belt, covers the top position of the steel reinforcing belt, and establishes a connection between the convex part and the concave part on the two sides of the pipe belt, so that an integrated bearing structure is realized; the outer cover sheet has an inner cavity such that the outer cover sheet establishes support between the raised tops of the winding unit and the tops of the steel reinforcing strips.
Preferably, the outer cover plate comprises an outer layer and two symmetrical bent walls, an inner cavity is formed between each bent wall and the outer layer, and the two inner cavities are symmetrical to each other. The bent wall is equivalent to a support rib of the outer cover plate and supports the outer cover plate after being covered.
Preferably, the inner cavity is triangular, and after the outer cover plate covers the inner cavity, the curved wall is attached to the appearance of the wave crest of the pipe body.
Preferably, the cross section of the steel reinforcing belt is of a symmetrical structure, two side parts of the steel reinforcing belt are bent to form an arc bottom, two side edges of the steel reinforcing belt form supporting edges, and after the outer cover plate is covered, the supporting edges are contacted with the vertex parts of the bent wall. The steel reinforcing area both sides position is arc bending structure, and the crooked direction is opposite with the crooked direction at top, and when radial pressurized like this, the steel reinforcing area turns into the axial with the effort to reduce tubular product radial atress, form the arc end after the bending, the arc end meets with interior strengthening band outward appearance, and when the steel reinforcing area pressurized, the contact site can take place to remove, avoids the steel reinforcing area to damage interior strengthening band.
Preferably, the middle part of the outer cover plate is a middle arc valley, the middle arc valley is in an arc shape, the middle part of the steel reinforcing belt is in an arc shape, and after the outer cover plate is covered, the middle part of the steel reinforcing belt is matched with the middle arc valley of the outer cover plate. The middle arc valley limits the middle top of the steel reinforcing belt, so that the position of the middle top of the steel reinforcing belt is kept stable.
Further preferably, the winding unit includes the bottom, is in both sides position and bottom looks vertically side and the interior limit of bending form connection bottom and side, and two interior limits on the bottom are relative, and bottom, side and interior limit enclose out the side cavity, and interior strengthening band sets up the concave part between two interior limits.
Preferably, the inner edge has a short straight edge and a long arc edge, the short straight edge is perpendicular to the bottom layer, the long arc edge is arc-shaped, and the long arc edge is connected with the edge of the side edge and the edge of the short straight edge. The inner edges comprise short straight edges and long arc edges, the short straight edges are perpendicular to the bottom layer, and when the pipe is buried in the ground and is supported by stress, the bearing structure of the pipe is optimized through the dispersion of the long arc edges and the radial action of the short straight edges on the bottom layer.
Further preferably, the bottom of the winding unit is compounded with a yellow inner layer.
Preferably, the inner reinforcing band is rectangular, an inner cavity with a rectangular cross section is arranged in the inner reinforcing band, and the height of the inner reinforcing band is equal to that of the short straight edge.
Further preferably, after the steel reinforcing belt is wound, the top of the steel reinforcing belt is higher than the top of the protrusion of the winding unit, and the outer cover plate is arched in an arc shape.
The utility model has the advantages that: an inner reinforcing belt is arranged at a concave part of the winding unit, the inner reinforcing belt is provided with an inner cavity, the inner reinforcing belt is spirally wound along with the winding unit, the spirally extending inner reinforcing belt is arranged at the trough position of the pipe body, the steel reinforcing belt is spirally wound at the trough position of the pipe body, the steel reinforcing belt is not directly contacted with the appearance of the single-layer pipe wall, but is contacted with the appearance of the inner reinforcing belt, so that the strength of the pipe wall part is enhanced, the stress condition of the pipe wall part is improved, the radial height of the steel reinforcing belt can be reduced, and the radial support stability of the steel reinforcing belt is optimized; meanwhile, an outer cover plate covers the outer part of the pipe belt, covers the convex part and the concave part of the pipe belt, covers the top position of the steel reinforcing belt, and establishes a connection between the convex part and the concave part on the two sides of the pipe belt, so that an integrated bearing structure is realized; the outer cover sheet has an inner cavity such that the outer cover sheet establishes support between the raised tops of the winding unit and the tops of the steel reinforcing strips.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a winding unit structure of the present invention;
FIG. 3 is a schematic structural view of a second winding unit of the present invention;
in the figure: 1. winding unit, 2, outer cover plate, 3, steel reinforcing band, 4, melten gel, 5, bottom, 6, side, 7, side cavity, 8, interior limit, 9, curved wall, 10, inner chamber, 11, middle arc millet, 12, support limit, 13, arc end, 14, interior reinforcing band, 15, interior cavity, 16, outer cavity, 17, inlayer.
Detailed Description
The invention will be further described with reference to specific embodiments and with reference to the accompanying drawings.
Example (b):
as shown in fig. 1 and fig. 2, the polyethylene steel reinforced multi-cavity high-resistance pipe comprises a pipe body which is spirally wound by a winding unit 1 and is bonded by molten glue 4, a steel reinforcing tape 3 which is wound outside the pipe body, and an outer cover sheet 2 which covers the pipe body and an inner cavity of the steel reinforcing tape. The pipe body is provided with a wave crest and a wave trough which extend in a spiral shape, and the steel reinforcing belt is wound at the wave trough in a spiral mode.
The winding unit comprises bulges with cavities at two sides and a concave part between the bulges, and an internal reinforcing belt 14 with an internal cavity is arranged at the concave part. The cross section of the steel reinforcing belt is in a curved shape, and two side parts of the steel reinforcing belt are directly contacted with the outer surface of the inner reinforcing belt.
The winding unit includes that the side 6 and the interior limit 8 of bending form connection bottom and side of the perpendicular bottom in bottom 5, both sides on the bottom, two interior limits on the bottom are relative, and bottom, side and interior limit enclose out side cavity 7, and interior strengthening band sets up the concave part between two interior limits. The inner edge is provided with a short straight edge and a long arc edge, the short straight edge is perpendicular to the bottom layer, the long arc edge is arc-shaped, and the long arc edge is connected with the edge of the side edge and the edge of the short straight edge. The inner reinforcing belt is formed independently and then compounded between the two protrusions of the winding unit, the inner reinforcing belt is of a hollow structure, the whole inner reinforcing belt is rectangular, an inner cavity 15 with a rectangular cross section is formed inside the inner reinforcing belt, and the height of the inner reinforcing belt is equal to that of the short straight edge.
The cross section of the steel reinforcing belt is of a symmetrical structure, the top is an arc top, two sides of the steel reinforcing belt are bent to form arc bottoms 13, two side edges of the steel reinforcing belt form supporting edges 12, the arc bending directions of the two sides are opposite to the arc bending direction of the top, and the edges of the supporting edges face the straight surface direction. The middle arc top is connected with the edges of the two sides through a vertical straight surface, and the outer surfaces of the arc bottoms of the two sides of the steel reinforcing belt are in contact with the outer surface of the inner reinforcing belt. After the steel reinforcing belt is arranged, the bending parts on the two sides are attached to the outer surface of the protrusion of the winding unit, and a deformation gap is formed at the transition position between the protrusion and the inner reinforcing belt. After the steel reinforcing belt is arranged, the top of the steel reinforcing belt is higher than the top of the protrusion of the winding unit, the outer cover plate is arched in an arc shape, and an outer cavity 16 is formed between the outer cover plate and the inner reinforcing belt.
The outer cover plate comprises an outer layer and two symmetrical bent walls 9, an inner cavity 10 is formed between the two bent walls and the outer layer, and the two inner cavities are symmetrical to each other. The inner cavity is triangular, and after the outer cover plate is covered, the curved wall is attached to the wave crest appearance of the pipe body. The middle part of the outer cover plate is a middle arc valley 11, the middle arc valley is in an arc shape, after the outer cover plate is covered, the middle arc top of the steel reinforcing belt is matched with the middle arc valley of the outer cover plate, and the supporting edge is contacted with the top point part of the curved wall.
As shown in fig. 3, the bottom of the winding unit is compounded with a yellow inner layer 17.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (10)
1. A polyethylene steel reinforced multi-cavity high-resistance pipe is characterized by comprising a pipe body, a steel reinforcing belt (3) and an outer cover plate (2), wherein the pipe body is formed by spirally winding a winding unit (1) and bonding by molten glue; the pipe body is provided with a wave crest and a wave trough which extend in a spiral way, and the steel reinforcing belt is wound at the wave trough in a spiral way; the winding unit comprises bulges with cavities at two sides and a concave part between the two bulges, and an inner reinforcing belt (14) with an inner cavity (15) is arranged at the concave part; the cross section of the steel reinforcing belt is in a curved shape, and two side parts of the steel reinforcing belt are directly contacted with the outer surface of the inner reinforcing belt.
2. The polyethylene steel reinforced multi-cavity high-resistance pipe according to claim 1, wherein the outer cover sheet comprises an outer layer and two symmetrical bent walls (9), and an inner cavity is formed between the two bent walls and the outer layer, and the two inner cavities are symmetrical to each other.
3. The polyethylene steel reinforced multi-cavity high-resistance pipe as claimed in claim 2, wherein the inner cavity is triangular, and the outer cover sheet covers the inner cavity, so that the curved wall is attached to the wave crest appearance of the pipe body.
4. The polyethylene steel reinforced multi-cavity high-resistance pipe according to claim 2, wherein the cross section of the steel reinforcing strip is of a symmetrical structure, two side parts of the steel reinforcing strip are bent to form arc-shaped bottoms (13), two side edges of the steel reinforcing strip form supporting edges (12), and after the outer cover sheet is covered, the supporting edges are contacted with the vertex parts of the bent walls.
5. The polyethylene steel reinforced multi-cavity high-resistance pipe according to claim 1, 2, 3 or 4, wherein the middle part of the outer cover sheet is a middle arc valley (11), the middle arc valley is in an arc shape, the middle part of the steel reinforcing belt is in an arc shape, and after the outer cover sheet is covered, the middle part of the steel reinforcing belt is matched with the middle arc valley of the outer cover sheet.
6. The polyethylene steel reinforced multi-cavity high-resistance pipe according to claim 1, 2, 3 or 4, wherein the winding unit comprises a bottom layer (5), side edges (6) which are perpendicular to the bottom layer at two sides, and inner edges (8) which are connected with the bottom layer and the side edges in a bending manner, the two inner edges on the bottom layer are opposite, the bottom layer, the side edges and the inner edges enclose a side cavity (7), and the inner reinforcing belt is arranged in a concave part between the two inner edges.
7. The polyethylene steel reinforced multi-lumen high resistance tube as claimed in claim 6, wherein the inner edge has a short straight edge and a long arc edge, the short straight edge is perpendicular to the bottom layer, the long arc edge is circular arc-shaped, and the long arc edge connects the edge of the side edge and the edge of the short straight edge.
8. The polyethylene steel reinforced multi-cavity high-resistance pipe according to claim 6, wherein the bottom of the winding unit is compounded with a yellow inner layer (17).
9. The polyethylene steel reinforced multi-cavity high-resistance pipe according to claim 7, wherein the inner reinforcing band is rectangular, an inner cavity with a rectangular cross section is arranged inside the inner reinforcing band, and the height of the inner reinforcing band is the height of the short straight edge.
10. The polyethylene steel reinforced multi-cavity high-resistance pipe as claimed in claim 1, 2, 3 or 4, wherein after the steel reinforcing tape is wound, the top of the steel reinforcing tape is higher than the convex top of the winding unit, and the outer cover sheet is arched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254315.XU CN211475116U (en) | 2019-12-16 | 2019-12-16 | Polyethylene steel reinforced multi-cavity high-resistance pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254315.XU CN211475116U (en) | 2019-12-16 | 2019-12-16 | Polyethylene steel reinforced multi-cavity high-resistance pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211475116U true CN211475116U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922254315.XU Active CN211475116U (en) | 2019-12-16 | 2019-12-16 | Polyethylene steel reinforced multi-cavity high-resistance pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211475116U (en) |
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2019
- 2019-12-16 CN CN201922254315.XU patent/CN211475116U/en active Active
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