CN213576011U - Novel steel band reinforced polyethylene helical bellows - Google Patents
Novel steel band reinforced polyethylene helical bellows Download PDFInfo
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- CN213576011U CN213576011U CN202022596592.1U CN202022596592U CN213576011U CN 213576011 U CN213576011 U CN 213576011U CN 202022596592 U CN202022596592 U CN 202022596592U CN 213576011 U CN213576011 U CN 213576011U
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- polyethylene
- fixedly connected
- helical bellows
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- -1 polyethylene Polymers 0.000 title claims abstract description 43
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 41
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000004593 Epoxy Substances 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 14
- 238000005728 strengthening Methods 0.000 abstract description 6
- 244000249914 Hemigraphis reptans Species 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 47
- 238000007906 compression Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006353 environmental stress Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- UXDBPOWEWOXJCE-DIPNUNPCSA-N 1,2-dihexadecyl-sn-glycero-3-phosphoethanolamine Chemical compound CCCCCCCCCCCCCCCCOC[C@H](COP(O)(=O)OCCN)OCCCCCCCCCCCCCCCC UXDBPOWEWOXJCE-DIPNUNPCSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a novel steel band reinforcing polyethylene helical bellows, including cavity basic unit and heat shrink area, polyethylene layer in the steel band enhancement layer inner wall fixedly connected with, fixedly connected with supports the inner rib between cavity basic unit and the spiral strengthening band, cavity basic unit inner wall is provided with the wire net skeleton, the heat shrink takes inside epoxy contact skin that is provided with, the outer inner wall fixedly connected with thermosol layer of epoxy contact, thermosol layer inner wall fixedly connected with fibre enhancement layer, fibre enhancement layer inner wall fixedly connected with thermosol substrate layer. The utility model discloses in, when needs are connected two helical bellows, with two helical bellows's connector terminal surface closed, impale the heat shrinkage area in two helical bellows's one end, heat welded joint and welding rod with the little hot-blast bunch of red flame or little nozzle, make the welding rod evenly around the circumference welding to the joint of two fixed pipes is convenient for connect helical bellows.
Description
Technical Field
The utility model belongs to the technical field of helical bellows, specifically speaking relates to a novel steel band reinforcing polyethylene helical bellows.
Background
The steel strip reinforced polyethylene helical bellows is a double-wall helical bellows which takes high density polyethylene (DHPE) as a matrix, takes a steel strip with the surface coated with bonding resin to form a waveform as a main supporting structure, and is wound and compounded with polyethylene materials into a whole. The product improves the ring rigidity by winding the steel belt, has stronger compression resistance, and simultaneously fully exerts the advantages of better flexibility and shock resistance, chemical corrosion resistance, strong aging resistance and the like of the PE pipe, so that the steel belt reinforced polyethylene helical bellows is safe and reliable and has long service life in practical application, becomes a new favorite in the field of buried drainage, can be widely applied to municipal industries such as drainage, pollution discharge and the like, and gradually replaces the traditional metal pipe, concrete pipe or cast iron pipe, ceramic pipe and the like. In practical application, a proper connection mode is selected according to different calibers and requirements of various different projects;
in the prior art, steel belt reinforced polyethylene spiral corrugated pipes are all manufactured by adopting a steel belt adhesive and polyethylene winding process to obtain the reinforcing effect of steel belts. In actual use, because the steel strip and the polyethylene layer have different proportions of expansion with heat and contraction with cold, the steel strip is easy to layer, a fracture gap is easy to appear, the local mechanical strength of the pipeline is uneven, the test of instantaneous pressure and deep landfill strength detection in an area with the layer gap is difficult to detect, and two helical bellows are not convenient to connect.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming prior art's not enough, provides a novel steel band reinforcing polyethylene helical bellows, for solving above-mentioned technical problem, the utility model discloses a technical scheme's basic design is:
the utility model provides a novel steel band reinforcing polyethylene helical bellows, includes cavity basic unit and heat shrink area, cavity basic unit outer wall is provided with the spiral strengthening band, the connector about cavity basic unit left and right sides tip all establishes, the inside outer polyethylene layer that is provided with of spiral strengthening band, outer polyethylene in situ wall fixedly connected with steel band enhancement layer, polyethylene in steel band enhancement layer inner wall fixedly connected with layer, fixedly connected with supports the inner rib between cavity basic unit and the spiral strengthening band, cavity basic unit inner wall is provided with the wire net skeleton, the heat shrink takes inside epoxy contact skin that is provided with, epoxy contact outer wall fixedly connected with thermosol layer, thermosol layer inner wall fixedly connected with fibre enhancement layer, fibre enhancement layer inner wall fixedly connected with thermosol layer.
In a preferred embodiment, the spiral reinforcing band is spirally disposed on the outer wall of the hollow substrate.
In a preferred embodiment, the heat-shrinkable substrate layer is radiation-crosslinked polyethylene, and has the advantages of high mechanical strength, strong aging resistance, good environmental stress resistance, excellent adhesion performance and the like.
In a preferred embodiment, the fiber reinforced layer is made of polypropylene fiber, has a thickness of 0.05mm to 0.1mm, and has the advantages of high strength, high elongation, excellent elasticity, chemical corrosion resistance and the like.
In a preferred embodiment, the hollow substrate is high density polyethylene.
In a preferred embodiment, the outer polyethylene layer and the inner polyethylene layer are each 2mm to 5mm thick.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:
the utility model discloses, when needs are connected two helical bellows, with two helical bellows's connector terminal surface closure, make local clearance be less than 6mm, impale the heat shrink area in two helical bellows's one end, with the little hot-blast bundle heating welding joint and the welding rod of little bundle red flame or little nozzle, make the welding rod weld around the circumference uniformly to the joint of fixed two pipes is convenient for connect helical bellows.
The utility model discloses, through be provided with the spiral strengthening band at cavity basic unit's outer wall, be provided with the support inner rib inside the spiral strengthening band, tubular product uses high density polyethylene as main raw materials, tubular product has big external surface area, form the same resistance to compression of soil for pipe, the butt fusion is effectual, strengthen the tensile strength of seam, the stability that the inner rib structure is favorable to improving ring stiffness, tensile strength's outer wall structure is 40% higher than the cavity wall pipe, make its in use have higher stable performance, so have better shock resistance, the performance of resistance to compression, consequently, the bonding surface of inner rib reinforcing helical bellows's inner rib cavity strip is wider thick, greatly increased the tensile strength of seam, thereby make tubular product have more excellent anti transverse tension.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of a novel steel-band reinforced polyethylene helical bellows structure according to the present invention;
FIG. 2 is a cross-sectional view of A of the novel steel band reinforced polyethylene helical bellows of the present invention;
fig. 3 is a cross-sectional view of a section B of the novel steel-band reinforced polyethylene helical bellows of the present invention.
In the figure: 1-a hollow base tube; 2-a spiral reinforcing band; 3-a connecting port; 4-heat-shrinkable tape; 5-an outer polyethylene layer; 6-a steel belt reinforcing layer; 7-an inner polyethylene layer; 8-supporting inner ribs; 9-steel wire mesh framework; a 10-epoxy contact outer layer; 11-a hot melt adhesive layer; 12-a fiber reinforcement layer; 13-heat-shrinkable substrate layer.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
As shown in fig. 1 to 3, a novel steel band reinforced polyethylene spiral corrugated pipe comprises a hollow base layer 1 and a heat shrinkable band 4, wherein the hollow base layer 1 is made of high density polyethylene, the outer wall of the hollow base layer 1 is provided with a spiral reinforcing band 2, the spiral reinforcing band 2 is spirally arranged on the outer wall of the hollow base layer 1, the left and right end parts of the hollow base layer 1 are respectively provided with a left connector 3 and a right connector 3, the inner part of the spiral reinforcing band 2 is provided with an outer polyethylene layer 5, the inner wall of the outer polyethylene layer 5 is fixedly connected with a steel band reinforcing layer 6, the inner wall of the steel band reinforcing layer 6 is fixedly connected with an inner polyethylene layer 7, the thicknesses of the outer polyethylene layer 5 and the inner polyethylene layer 7 are both 2mm-5mm, a supporting inner rib 8 is fixedly connected between the hollow base layer 1 and the spiral reinforcing band 2, the spiral reinforcing band 2 is arranged on the outer wall of, the pipe has large external surface area, forms pipe-soil co-compression resistance, has good welding effect, enhances the tensile strength of a seam, the inner rib structure is beneficial to improving the stability of ring rigidity, the outer wall structure of the tensile strength is 40 percent higher than that of a hollow wall pipe, so that the hollow wall pipe has higher stable performance in use, and has better shock resistance and compression resistance, therefore, the bonding surface of an inner rib hollow strip of the inner rib enhanced helical bellows is wider and thicker, the tensile strength of the seam is greatly increased, so that the pipe has more excellent transverse tension resistance, the inner wall of a hollow base layer 1 is provided with a steel wire mesh framework 9, an epoxy contact outer layer 10 is arranged inside a heat shrinkage belt 4, the inner wall of the epoxy contact outer layer 10 is fixedly connected with a heat-soluble glue layer 11, the inner wall of the heat-soluble glue layer 11 is fixedly connected with a fiber reinforced layer 12, the fiber reinforced layer 12 is polypropylene fiber, and the, possess intensity height, the elongation is big, elasticity is good, advantages such as chemical corrosion resistance, fiber reinforcement layer 12 inner wall fixedly connected with heat shrink substrate layer 13, heat shrink substrate layer 13 is radiation cross-linked polyethylene, possess high mechanical strength, ageing resistance is strong, environmental stress resistance can be good, bonding property is excellent, when needing to connect two helical bellows, 3 terminal surfaces of connector with two threaded bellows are closed, make local clearance less than 6mm, pierce through heat shrink belt 4 at the one end of two helical bellows, with little bundle red flame or little hot-blast bunch heating welding joint and welding rod of little nozzle, make the welding rod weld around the circumference evenly, thereby the joint of fixed two pipes, be convenient for connect helical bellows.
The working principle is as follows: the spiral reinforcing belt 2 is arranged on the outer wall of the hollow base layer 1, the supporting inner rib is arranged inside the spiral reinforcing belt 2, the pipe is made of high-density polyethylene as a main raw material, the pipe has a large outer surface area, pipe-soil compression resistance is formed, the welding effect is good, the tensile strength of a seam is enhanced, the stability of the ring stiffness is favorably improved due to the inner rib structure, the outer wall structure of the tensile strength is 40% higher than that of a hollow wall pipe, so that the pipe has high stability in use, and has excellent shock resistance and compression resistance, the bonding surface of the hollow strip of the inner rib enhanced spiral corrugated pipe is wide and thick, the tensile strength of the seam is greatly increased, the pipe has excellent transverse tension resistance, when two spiral corrugated pipes need to be connected, the end faces of connecting ports 3 of the two spiral corrugated pipes are closed, and the local gap is smaller than 6mm, one end of each of the two helical bellows is pierced with the heat shrinkable tape 4, and the welding joint and the welding rod are heated by a small beam of red flame or a small hot air beam of a small nozzle, so that the welding rod is uniformly welded around the circumference, thereby fixing the joints of the two tubes and facilitating the connection of the helical bellows.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (6)
1. A novel steel band reinforced polyethylene helical bellows comprises a hollow base layer (1) and a thermal contraction band (4), and is characterized in that: the outer wall of the hollow base layer (1) is provided with a spiral reinforcing belt (2), the end parts of the left side and the right side of the hollow base layer (1) are respectively provided with a left connecting port and a right connecting port (3), an outer polyethylene layer (5) is arranged in the spiral reinforcing belt (2), a steel belt reinforcing layer (6) is fixedly connected with the inner wall of the outer polyethylene layer (5), the inner wall of the steel belt reinforced layer (6) is fixedly connected with an inner polyethylene layer (7), a supporting inner rib (8) is fixedly connected between the hollow base layer (1) and the spiral reinforcing belt (2), a steel wire mesh framework (9) is arranged on the inner wall of the hollow base layer (1), an epoxy contact outer layer (10) is arranged inside the heat shrinkable tape (4), the inner wall of the epoxy contact outer layer (10) is fixedly connected with a thermosol layer (11), the inner wall of the thermosol layer (11) is fixedly connected with a fiber reinforced layer (12), the inner wall of the fiber reinforced layer (12) is fixedly connected with a heat shrinkable base material layer (13).
2. The novel steel-band reinforced polyethylene helical bellows as claimed in claim 1, wherein the helical reinforcing band (2) is spirally disposed on the outer wall of the hollow substrate (1).
3. The novel steel strip reinforced polyethylene helical bellows as claimed in claim 1, wherein said heat-shrinkable substrate layer (13) is radiation crosslinked polyethylene.
4. A new type of steel band reinforced polyethylene helical bellows as claimed in claim 1, wherein said fiber reinforced layer (12) is polypropylene fiber with a thickness of 0.05mm to 0.1 mm.
5. A new type of steel strip reinforced polyethylene helical bellows as claimed in claim 1, wherein said hollow base layer (1) is high density polyethylene.
6. A new type of steel strip reinforced polyethylene helical bellows as claimed in claim 1, wherein the outer polyethylene layer (5) and the inner polyethylene layer (7) are each 2mm to 5mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022596592.1U CN213576011U (en) | 2020-11-11 | 2020-11-11 | Novel steel band reinforced polyethylene helical bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022596592.1U CN213576011U (en) | 2020-11-11 | 2020-11-11 | Novel steel band reinforced polyethylene helical bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213576011U true CN213576011U (en) | 2021-06-29 |
Family
ID=76538124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022596592.1U Expired - Fee Related CN213576011U (en) | 2020-11-11 | 2020-11-11 | Novel steel band reinforced polyethylene helical bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213576011U (en) |
-
2020
- 2020-11-11 CN CN202022596592.1U patent/CN213576011U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |