CN208967258U - Composite strengthening winding pipe - Google Patents
Composite strengthening winding pipe Download PDFInfo
- Publication number
- CN208967258U CN208967258U CN201920384851.9U CN201920384851U CN208967258U CN 208967258 U CN208967258 U CN 208967258U CN 201920384851 U CN201920384851 U CN 201920384851U CN 208967258 U CN208967258 U CN 208967258U
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- Prior art keywords
- hollow tube
- tube wall
- winding pipe
- wall
- skeleton
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
Abstract
The utility model relates to a kind of composite strengthening winding pipe, including hollow tube wall and enhancing skeleton, the enhancing skeleton to be arranged in the hollow tube wall, and through-hole is arranged in the outer wall of the hollow tube wall, and the width of the through-hole is less than the width of the hollow tube wall；The top of the enhancing skeleton is concordant with the outer wall, and the bottom of the enhancing skeleton and the inner wall bonding of the hollow tube wall are connected or connected by card slot；Layer is covered in the outer surface bonding of the hollow tube wall.Hollow tube wall is HDPE material, and enhancing skeleton is PVC material, and the outer surface heat of hollow tube wall covers HDPE material layer.Ring stiffness and ring with higher are flexible simultaneously for the composite strengthening winding pipe of the utility model.
Description
Technical field
The utility model belongs to municipal works technical field, and in particular to a kind of composite strengthening winding pipe, the winding pipe by
Two kinds of Material claddings of HDPE and PVC form.
Background technique
In municipal works infrastructure, pipeline used in the underground installations such as draining blowdown is mostly pure HDPE (high density
Polyethylene) structured wall popes, but the ring stiffness of pure HDPE structured wall popes is low, unit rice is great, production efficiency is low.In addition pure HDPE
The intensity of structured wall popes is low, ring it is flexible it is poor, there is layering, and the phenomenon that be very easy to occur the disengagement of structural walls junction.
In order to improve above-mentioned phenomenon, there are some multiple tubes, the tube wall of such pipeline is by plastics and steel composite winding
It forms, technological deficiency is that steel are easy to be corroded, therefore such pipeline steel in use can slowly be corroded, to make
The ring stiffness of pipeline is seriously destroyed, and mounted pipeline is caused to collapse.Additionally, due to plastics and steel in such pipeline
The coefficient of expansion of material is different, in actual use as the variation of weather, tubing internal stress are destroyed, be easy to cause tubing de-
The problems such as section.There is also some winding pipe being combined by plastics and plastics in the prior art, but structure is complicated, and does not have
Structural parameters appropriate, ring stiffness is still very low, is unable to satisfy the demand of current municipal facilities.
Authorization Notice No. discloses a kind of diplopore plastic-steel wall drainpipe for the utility model patent of CN202868109U, including
Profile iron, there are three annular distances in the tube wall of pipeline, and profile iron is placed in the first annular distance, and is connected to the top of the first annular distance, pipe
The outer surface that wall corresponds at the first annular distance is optical plane shape, and the second annular distance and third annular distance are plastic hollow square hole, is adopted
It with the reinforced plastic drain pipe, is born from extraneous pressure by the profile iron in tube wall, does not place the tube wall place of profile iron
The pressure very little of receiving.Although the reinforced plastic drain pipe can greatly improve the ring stiffness of pipeline, in use, steel meeting
Slowly corrode, so that the ring stiffness of pipeline be made to be greatly lowered, mounted pipeline is caused to collapse；In addition, plastics and steel
The coefficient of expansion of material is different, in use as the variation of weather, tubing internal stress are destroyed, be easy to cause tubing disconnection etc.
Problem.
The patent of invention of Publication No. CN1869348A discloses a kind of HDPE, PVC plastic plastic composite winding pipe, has winding
Tube body, the tube wall for winding tube body are made of the rectangular tubular hollow belt of helically wound shape and HDPE plastic obturator,
HDPE plastic obturator is bonded and is filled at the sidewall spacers between each spiral of hollow belt, and the tube wall of hollow belt is by interior
It is made of respectively the PVC plastic bed of material, composite tack coat and HDPE plastic layer to outer.The winding pipe has corrosion-resistant, ageing-resistant etc.
Advantage, but structure is complicated, the ring stiffness of tubing is lower, ring is flexible poor.
Summary of the invention
The purpose of this utility model is to provide a kind of composite strengthening winding pipe, are substituted using PVC enhancing skeleton traditional
Steel material, winding pipe are combined by HDPE material and PVC material.Aim to solve the problem that the ring stiffness of pipeline in the prior art is low, ring
It is flexible poor；Plastics are different from the steel coefficient of expansion, and pipeline is easily-deformable；Steel are perishable, lead to pipe collapse.
To solve problems of the prior art, the utility model provides a kind of composite strengthening winding pipe, including hollow
Tube wall and enhancing skeleton, the enhancing skeleton are arranged in the hollow tube wall；Through-hole, institute is arranged in the outer wall of the hollow tube wall
The width for stating through-hole is less than the width of the hollow tube wall；The top of the enhancing skeleton is concordant with the outer wall, the enhancing
The inner wall of the bottom of skeleton and hollow tube wall bonding connection is connected by card slot；The outer surface of the hollow tube wall bonds
Cover layer.
It using the higher PVC support frame of intensity, is embedded in the hollow tube wall of HDPE, the two combines, common stress.Sufficiently
Using the high intensity of PVC material, high-bearing capacity, reaches and greatly improve ring stiffness and ring purpose flexible.Make full use of HDPE material
The flexibility of material protects PVC to enhance skeleton well, substantially increases the safety in utilization of tubing entirety.The two is all modeling
Expect material, all relatively, when temperature changes, the two deformation is also close to will not generate for thermal expansion coefficient and shrinking percentage
Local stress is unbalanced, and tubing is made to be optimal the state of common stress, substantially increases the practicability of tubing entirety.
Preferably, two annular distances are set in the hollow tube wall, and the outer wall of at least one annular distance is set in two annular distances
Through-hole is set, is arranged in the annular distance of through-hole and the enhancing skeleton is set；Vertically connected between multiple hollow tube walls by HDPE hot melt
It connects.The width of two annular distances, length, height are equal, and the wall thickness of two annular distances is equal；The width of through-hole is less than the width of annular distance,
The remaining peripheral wall length in through-hole two sides is equal.
In any of the above-described scheme preferably, three annular distances are set in the hollow tube wall, and the outer wall of two sides annular distance is equal
Through-hole is set, is respectively provided with the enhancing skeleton in the annular distance of two sides；It is vertically connected between multiple hollow tube walls by HDPE hot melt.
The width of two sides annular distance, length, height are equal；The width of intermediate annular distance is less than the width of two sides annular distance；The wall thickness of three annular distances
It is equal；The width of through-hole is less than the width of annular distance, and the remaining peripheral wall length in through-hole two sides is equal.
In any of the above-described scheme preferably, the enhancing skeleton includes horizontal bracket and tilted supporter, the tilted supporter
The lower section of the horizontal bracket is set.
In any of the above-described scheme preferably, three parallel reinforcing ribs of spaced set inside the horizontal bracket,
The reinforcing rib is vertical with the horizontal bracket.
In any of the above-described scheme preferably, three parallel reinforcing ribs of spaced set inside the tilted supporter, should
Reinforcing rib is parallel with the tilted supporter.
In any of the above-described scheme preferably, the enhancing skeleton further includes reinforced support, and the reinforced support is vertical
The lower section of the horizontal bracket is set.
In any of the above-described scheme preferably, bottom bracket is arranged in the bottom of the tilted supporter and/or reinforced support.
In any of the above-described scheme preferably, the hollow tube wall is HDPE material, and the enhancing skeleton is PVC material
Material；The outer surface of the hollow tube wall bonds HDPE material layer.PVC material (polyvinyl chloride) and HDPE material (high-density polyethylene
Alkene) it is all current material.
The shape for enhancing skeleton is varied.If the internal diameter of winding pipe is no more than 500mm, the shape of PVC skeleton is plate
Stool shape, including horizontal bracket and tilted supporter；If the internal diameter of winding pipe between 500-800mm, the shape of PVC skeleton be with
The stool shape of reinforced support, including horizontal bracket, tilted supporter and a reinforced support, the reinforced support are vertically set on horizontal branch
The lower section of frame；If the internal diameter of winding pipe, between 800-1000mm, the shape of PVC skeleton is the stool with reinforced support
Shape, including horizontal bracket, tilted supporter and two reinforced supports, two reinforced supports are vertically set on the lower section of horizontal bracket；If
The internal diameter of winding pipe is more than 1000mm, then the shape of PVC skeleton is M shape, including horizontal bracket and two groups of tilted supporters.
The width of the thickness of the hollow tube wall of HDPE, annular distance inner wall in the composite strengthening winding pipe of the utility model；PVC skeleton
Gap in the hollow tube wall through-hole of HDPE of thickness, angle, horizontal bracket between horizontal bracket and tilted supporter, horizontal bracket
Width, heat cover and cooperate between the parameters such as the thickness of HDPE material layer, act synergistically, several important parameters must accord with
Relationship is determined in unification, only in this way can be only achieved the effect of the utility model record.
Thickness h=1.5-2.0mm of the hollow tube wall of HDPE；
Thickness H=(1.5-4) h of PVC skeleton；
Angle α in PVC skeleton between horizontal bracket and tilted supporter=20-80 °；
Clearance C=(0.2-0.8) H in horizontal bracket and hollow tube wall between the outer wall of through-hole two sides；
The hollow tube wall outer surface heat of HDPE cover HDPE material layer with a thickness of A, h ﹤ A ﹤ H and A=(1.2-2.5) h.
The winding pipe of the utility model is all-plastic multiple tube, replaces conventional steel plates by PVC skeleton to improve the ring of pipeline
Rigidity and ring are flexible, and PVC skeleton is again extremely corrosion-resistant, to solve traditional plastic steel composite pipe, steel plate is slowly rotten in actual use
The problem of losing this critical defect, avoiding pipeline ring stiffness degradation and pipeline therefore collapse.Whole pipeline
Outer surface is in the flat shape of light, that is, is placed with the place of PVC enhancing skeleton in the flat shape of light, does not place the ground of PVC enhancing skeleton
Side is also in the flat shape of light.After pipeline is embedded in underground, pressure suffered by tube wall is focused at the upper surface of tube wall, HDPE hollow tube
Wall and the common stress of PVC enhancing both skeleton, PVC enhancing skeleton strengthen the ability that tube wall bears external pressure, pipeline it is big
Partial pressure is born by the PVC enhancing skeleton in tube wall, and ring stiffness and the ring for substantially increasing pipeline in this way are flexible.
The preparation process of the composite strengthening winding pipe of the utility model, according to sequencing the following steps are included:
Step 1: using extruder production PVC enhance skeleton, by twin-screw extrusion, sizing, cooling, be wound into
With；
Step 2: producing HDPE hollow plate band using extruder, squeezes out by single screw rod, sizing, cooling, and coiling disc forming waits for
With；
Step 3: HDPE hollow plate band and PVC enhancing skeleton are wound into composite molding on molding machine, and in outer surface heat
One layer of HDPE material is applied, composite strengthening winding pipe is formed.
The composite strengthening winding pipe of the utility model has the following beneficial effects:
(1) winding pipe improves in the prior art that Plastic Steel Pipe ring stiffness is low, the disadvantage of the flexible difference of ring, in HDPE hollow tube
PVC is added in wall enhances skeleton, and the two combines the ring stiffness for not only improving pipeline but also improves the ring flexibility of pipeline, makes the mechanics of tubing
Performance greatly improves, draining, the blowdown being very suitable under various states.
(2) winding pipe will not get rusty in use, will not crack due to expanding with heat and contract with cold unbalanced.Currently, engineering
It is required that the higher project of ring stiffness mostly use greatly clad steel plate tubing (such as steel strip reinforced bellows, two flat walls composite winding pipe,
Plastic-steel spirally-wound pipe etc.), all there is different degrees of corrosion in the steel plate being compounded in tubing, when the certain time limit of use in use
After will all erode, so that pipeline is collapsed and result in blockage, road surface causes to collapse, it is also possible to other serious safe things occur
Therefore.Winding pipe of the invention just compensates for the shortcomings that current tubing, and existing higher ring stiffness and ring are flexible, and will not be because of temperature
Difference is excessive, the coefficient of expansion is different and cracks, and will not make moist (water), the corrosivity such as seawater, sewage, chemical industry water are got rusty damage
It is bad.
(3) winding pipe during the preparation process, has integrally laid one layer of HDPE material in the outer surface of tubing, has made tubing shape
Integral stress solves the problems, such as that winding pipe winding seam is easy to disengage, substantially increases the quality of tubing.
(4) since PVC enhances the improvement of frame configuration and parameters, it is increased to the integral yield intensity of tubing
350MPa or more, tensile strength are increased to 800MPa or more, and elongation percentage is increased to 40% or more, and ring stiffness is increased to 20KN/m2
More than.
Detailed description of the invention
Fig. 1 is the preferred embodiment structural schematic diagram according to the composite strengthening winding pipe of the utility model；
Fig. 2 is the structure for enhancing skeleton according to PVC in the embodiment illustrated in fig. 1 of the composite strengthening winding pipe of the utility model
Schematic diagram, the shape that PVC enhances skeleton is stool shape, including horizontal bracket and tilted supporter；
Fig. 3 is the structure for enhancing skeleton according to PVC in the embodiment illustrated in fig. 1 of the composite strengthening winding pipe of the utility model
Schematic diagram, the shape that PVC enhances skeleton is the stool shape with reinforced support, including horizontal bracket, tilted supporter and a reinforcement
Bracket；
Fig. 4 is the structure for enhancing skeleton according to PVC in the embodiment illustrated in fig. 1 of the composite strengthening winding pipe of the utility model
Schematic diagram, the shape that PVC enhances skeleton is the stool shape with reinforced support, including horizontal bracket, tilted supporter and two reinforcements
Bracket；
Fig. 5 is the structure for enhancing skeleton according to PVC in the embodiment illustrated in fig. 1 of the composite strengthening winding pipe of the utility model
Schematic diagram, the shape that PVC enhances skeleton is M shape, including horizontal bracket and two groups of tilted supporters；
Fig. 6 is the knot according to the hollow tube wall of HDPE in the embodiment illustrated in fig. 1 of the composite strengthening winding pipe of the utility model
Structure schematic diagram；
Fig. 7 is hollow tube walls combinations multiple in the embodiment illustrated in fig. 1 according to the composite strengthening winding pipe of the utility model
The structural schematic diagram of connection.
Explanation: 1- composite strengthening winding pipe, the hollow tube wall of 2-, 21- outer wall, 22- through-hole, 23- annular distance, 3- increasing are marked in figure
Strong skeleton, at the top of 31-, 32- horizontal bracket, 33- tilted supporter, 34- reinforced support, 35- bottom bracket, 36- horizontal bracket and tiltedly
Angle between bracket, the gap 4-, 5-HDPE material layer, 6-HDPE hot melt.
Specific embodiment
In order to be further understood that the summary of the invention of the utility model, this reality is elaborated below in conjunction with specific embodiment
With novel.
Embodiment one:
As shown in Figure 1, an embodiment of the composite strengthening winding pipe according to the utility model comprising hollow tube wall and increasing
Strong skeleton, the enhancing skeleton are arranged in the hollow tube wall；Through-hole is arranged in the outer wall of the hollow tube wall, the through-hole
Width is less than the width of the hollow tube wall；The top of the enhancing skeleton is concordant with the outer wall, the bottom of the enhancing skeleton
The inner wall of portion and hollow tube wall bonding connection is connected by card slot；Layer is covered in the outer surface bonding of the hollow tube wall.
The outer surface heat of the hollow tube wall covers HDPE material layer；It is vertically connected between multiple hollow tube walls by HDPE hot melt.
The hollow tube wall is HDPE material, and the enhancing skeleton is PVC material；The outer surface of the hollow tube wall bonds
HDPE material layer.PVC material (polyvinyl chloride) and HDPE material (high density polyethylene (HDPE)) are all current materials.
As shown in Figure 2-5, the shape for enhancing skeleton is varied.The enhancing skeleton includes horizontal bracket and tilted supporter,
The lower section of the horizontal bracket is arranged in the tilted supporter.The enhancing skeleton further includes reinforced support, and the reinforced support hangs down
The lower section of the horizontal bracket is directly set.Bottom bracket is arranged in the bottom of the tilted supporter and/or reinforced support.
As shown in Fig. 2, the shape of PVC skeleton is stool shape, including level if the internal diameter of winding pipe is no more than 500mm
Bracket and tilted supporter.As shown in figure 3, the shape of PVC skeleton is with adding if the internal diameter of winding pipe is between 500-800mm
The stool shape of strong bracket, including horizontal bracket, tilted supporter and a reinforced support, the reinforced support are vertically set on horizontal bracket
Lower section.As shown in figure 4, the shape of PVC skeleton is with reinforced support if the internal diameter of winding pipe is between 800-1000mm
Stool shape, including horizontal bracket, tilted supporter and two reinforced supports, two reinforced supports are vertically set under horizontal bracket
Side.As shown in figure 5, the shape of PVC skeleton is M shape, including horizontal bracket and two groups if the internal diameter of winding pipe is more than 1000mm
Tilted supporter.
As shown in fig. 6, two annular distances are arranged in the hollow tube wall, the outer wall of at least one annular distance is set in two annular distances
Through-hole is set, is arranged in the annular distance of through-hole and the enhancing skeleton is set.Width, length, equal, two annular distances of height of two annular distances
Wall thickness it is equal；The width of through-hole is less than the width of annular distance, and the remaining peripheral wall length in through-hole two sides is equal.
Three annular distances can also be set in hollow tube wall, and the outer wall of two sides annular distance is respectively provided with through-hole, in the annular distance of two sides
The enhancing skeleton is set.The width of two sides annular distance, length, height are equal；The width of intermediate annular distance is less than the width of two sides annular distance
Degree；The wall thickness of three annular distances is equal；The width of through-hole is less than the width of annular distance, and the remaining peripheral wall length in through-hole two sides is equal.
As shown in fig. 7, multiple hollow tube walls are successively vertically connected to form composite strengthening winding pipe, it is two neighboring in
Pass through the bonding connection of HDPE hot melt between blank pipe wall.
The width of the thickness of the hollow tube wall of HDPE, annular distance inner wall in the composite strengthening winding pipe of the present embodiment；PVC skeleton
Angle, horizontal bracket between thickness, horizontal bracket and tilted supporter gap in the hollow tube wall through-hole of HDPE, horizontal bracket
Width, heat are covered and are cooperated between the parameters such as the thickness of HDPE material layer, are acted synergistically, and several important parameters have to comply with
Certain relationship, only in this way can just be respectively increased the mechanical property of PVC skeleton and the hollow tube wall of HDPE, and can significantly mention
The overall mechanical properties of winding pipe after high PVC skeleton and the hollow tube wall of HDPE are compound.
Thickness h=1.5mm of the hollow tube wall of HDPE；
The thickness H=1.5h=2.25mm of PVC skeleton；
Angle α=20 ° in PVC skeleton between horizontal bracket and tilted supporter；
Clearance C=0.2H=0.45mm in horizontal bracket and hollow tube wall between the outer wall of through-hole two sides；
The hollow tube wall outer surface heat of HDPE cover HDPE material layer with a thickness of A, 1.5mm ﹤ A ﹤ 2.25mm and A=1.2h=
1.8mm。
After internal diameter and above-mentioned parameter that winding pipe has been determined, the other sizes of winding pipe can adjust according to the actual situation.
The preparation method of the composite strengthening winding pipe of the present embodiment, according to sequencing the following steps are included:
Step 1: using extruder production PVC enhance skeleton, by twin-screw extrusion, sizing, cooling, be wound into
With；
Step 2: producing HDPE hollow plate band using extruder, squeezes out by single screw rod, sizing, cooling, and coiling disc forming waits for
With；
Step 3: HDPE hollow plate band and PVC enhancing skeleton are wound into composite molding on molding machine, and in outer surface heat
One layer of HDPE material is applied, composite strengthening winding pipe is formed.
The winding pipe of the present embodiment is all-plastic multiple tube, replaces conventional steel plates rigid come the ring for improving pipeline by PVC skeleton
Degree and ring are flexible, and PVC skeleton is again extremely corrosion-resistant, to solve traditional plastic steel composite pipe, steel plate slowly corrodes in actual use
This critical defect, the problem of avoiding pipeline ring stiffness degradation and pipeline therefore collapse.Outside whole pipeline
Surface is in the flat shape of light, that is, is placed with the place of PVC enhancing skeleton in the flat shape of light, does not place the place of PVC enhancing skeleton
It also is in the flat shape of light.After pipeline is embedded in underground, pressure suffered by tube wall is focused at the upper surface of tube wall, the hollow tube wall of HDPE
The ability that tube wall bears external pressure, the big portion of pipeline are strengthened with both PVC enhancing skeleton common stress, PVC enhancing skeleton
Partial pressure is born by the PVC enhancing skeleton in tube wall, and ring stiffness and the ring for substantially increasing pipeline in this way are flexible.This implementation
In, the PVC enhancing skeleton and the hollow tube wall of HDPE of which kind of shape no matter are used, the yield strength of winding pipe after two kinds of Material claddings
Reach 350MPa or more, tensile strength reaches 800MPa or more, elongation percentage reaches 40% or more, ring stiffness and reaches 20KN/m2With
On, tubing is round and smooth, without back-flexing, crack-free.
Embodiment two:
According to another embodiment of the composite strengthening winding pipe of the utility model, the position between structure, each component is closed
System, beneficial effect etc. are the same as example 1, unlike:
Thickness h=2mm of the hollow tube wall of HDPE；
The thickness H=4h=8mm of PVC skeleton；
Angle α=30 ° in PVC skeleton between horizontal bracket and tilted supporter；
Clearance C=0.8H=6.4mm in horizontal bracket and hollow tube wall between the outer wall of through-hole two sides；
The hollow tube wall outer surface heat of HDPE cover HDPE material layer with a thickness of A, 2mm ﹤ A ﹤ 8mm and A=2.5h=5mm.
Embodiment three:
According to another embodiment of the composite strengthening winding pipe of the utility model, the position between structure, each component is closed
System, beneficial effect etc. are the same as example 1, unlike:
Thickness h=1.7mm of the hollow tube wall of HDPE；
The thickness H=3.8h=6.46mm of PVC skeleton；
Angle α=40 ° in PVC skeleton between horizontal bracket and tilted supporter；
Clearance C=0.5H=3.23mm in horizontal bracket and hollow tube wall between the outer wall of through-hole two sides；
The hollow tube wall outer surface heat of HDPE cover HDPE material layer with a thickness of A, 1.7mm ﹤ A ﹤ 6.46mm and A=2.2h=
3.74mm。
Example IV:
According to another embodiment of the composite strengthening winding pipe of the utility model, the position between structure, each component is closed
System, beneficial effect etc. are the same as example 1, unlike:
Thickness h=1.9mm of the hollow tube wall of HDPE；
The thickness H=3h=5.7mm of PVC skeleton；
Angle α=80 ° in PVC skeleton between horizontal bracket and tilted supporter；
Clearance C=0.7H=3.99mm in horizontal bracket and hollow tube wall between the outer wall of through-hole two sides；
The hollow tube wall outer surface heat of HDPE cover HDPE material layer with a thickness of A, 1.9mm ﹤ A ﹤ 5.7mm and A=2.4h=
4.56mm。
Embodiment five:
According to another embodiment of the composite strengthening winding pipe of the utility model, the position between structure, each component is closed
System, beneficial effect etc. are the same as example 1, unlike:
Thickness h=1.6mm of the hollow tube wall of HDPE；
The thickness H=3.5h=5.6mm of PVC skeleton；
Angle α=70 ° in PVC skeleton between horizontal bracket and tilted supporter；
Clearance C=0.3H=1.68mm in horizontal bracket and hollow tube wall between the outer wall of through-hole two sides；
The hollow tube wall outer surface heat of HDPE cover HDPE material layer with a thickness of A, 1.6mm ﹤ A ﹤ 5.6mm and A=1.8h=
2.88mm。
Embodiment six:
According to another embodiment of the composite strengthening winding pipe of the utility model, the position between structure, each component is closed
System, beneficial effect etc. are the same as example 1, unlike:
Thickness h=1.8mm of the hollow tube wall of HDPE；
The thickness H=2.5h=4.5mm of PVC skeleton；
Angle α=50 ° in PVC skeleton between horizontal bracket and tilted supporter；
Clearance C=0.4H=1.8mm in horizontal bracket and hollow tube wall between the outer wall of through-hole two sides；
The hollow tube wall outer surface heat of HDPE cover HDPE material layer with a thickness of A, 1.8mm ﹤ A ﹤ 4.5mm and A=2h=
3.6mm。
Embodiment seven:
According to another embodiment of the composite strengthening winding pipe of the utility model, the position between structure, each component is closed
System, beneficial effect etc. are the same as example 1, unlike:
Thickness h=1.65mm of the hollow tube wall of HDPE；
The thickness H=2h=3.3mm of PVC skeleton；
Angle α=60 ° in PVC skeleton between horizontal bracket and tilted supporter；
Clearance C=0.6H=1.98mm in horizontal bracket and hollow tube wall between the outer wall of through-hole two sides；HDPE is hollow
Outer surface of tube wall heat cover HDPE material layer with a thickness of A, 1.65mm ﹤ A ﹤ 3.3mm and A=1.5h=2.475mm.
Embodiment eight:
According to another embodiment of the composite strengthening winding pipe of the utility model, the position between structure, each component is closed
System, beneficial effect etc. are identical as embodiment one to seven, unlike:
Three parallel reinforcing ribs of spaced set inside the horizontal bracket, the reinforcing rib and the horizontal bracket hang down
Directly.Three parallel reinforcing ribs of spaced set inside the tilted supporter, the reinforcing rib are parallel with the tilted supporter.
It will be apparent to those skilled in the art that the composite strengthening winding pipe of the utility model includes that above-mentioned the utility model is said
Any combination of each section shown by the summary of the invention and specific embodiment part and attached drawing of bright book as space is limited and is
Each scheme for keeping specification concise without constituting these combinations describes one by one.It is all the spirit and principles of the utility model it
Any modification, equivalent substitution, improvement and etc. that are interior, being done, should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of composite strengthening winding pipe, including hollow tube wall and enhancing skeleton, the enhancing skeleton are arranged in the hollow tube
In wall, it is characterised in that: through-hole is arranged in the outer wall of the hollow tube wall, and the width of the through-hole is less than the width of the hollow tube wall
Degree；The top of the enhancing skeleton is concordant with the outer wall, and the bottom of the enhancing skeleton and the inner wall of the hollow tube wall are viscous
It closes connection or is connected by card slot；Layer is covered in the outer surface bonding of the hollow tube wall.
2. composite strengthening winding pipe as described in claim 1, it is characterised in that: two annular distances are set in the hollow tube wall,
Through-hole is arranged in the outer wall of at least one annular distance in two annular distances, is arranged in the annular distance of through-hole and the enhancing skeleton is arranged；It is multiple
It is vertically connected between hollow tube wall by HDPE hot melt.
3. composite strengthening winding pipe as described in claim 1, it is characterised in that: three annular distances are set in the hollow tube wall,
The outer wall of two sides annular distance is respectively provided with through-hole, and the enhancing skeleton is respectively provided in the annular distance of two sides；Pass through between multiple hollow tube walls
HDPE hot melt vertically connects.
4. composite strengthening winding pipe as described in claim 1, it is characterised in that: the enhancing skeleton include horizontal bracket and tiltedly
The lower section of the horizontal bracket is arranged in bracket, the tilted supporter.
5. composite strengthening winding pipe as claimed in claim 4, it is characterised in that: spaced set three inside the horizontal bracket
The parallel reinforcing rib of root, the reinforcing rib are vertical with the horizontal bracket.
6. composite strengthening winding pipe as claimed in claim 4, it is characterised in that: spaced set three inside the tilted supporter
Parallel reinforcing rib, the reinforcing rib are parallel with the tilted supporter.
7. composite strengthening winding pipe as claimed in claim 4, it is characterised in that: the enhancing skeleton further includes reinforced support,
The reinforced support is vertically set on the lower section of the horizontal bracket.
8. the composite strengthening winding pipe as described in any one of claim 4-7, it is characterised in that: the tilted supporter and/or add
Bottom bracket is arranged in the bottom of strong bracket.
9. composite strengthening winding pipe as described in claim 1, it is characterised in that: the hollow tube wall is HDPE material, described
Enhancing skeleton is PVC material；The outer surface of the hollow tube wall bonds HDPE material layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384851.9U CN208967258U (en) | 2019-03-25 | 2019-03-25 | Composite strengthening winding pipe |
| PCT/CN2019/082435 WO2020191822A1 (en) | 2019-03-25 | 2019-04-12 | Composite reinforced winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384851.9U CN208967258U (en) | 2019-03-25 | 2019-03-25 | Composite strengthening winding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208967258U true CN208967258U (en) | 2019-06-11 |
Family
ID=66766615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920384851.9U Active CN208967258U (en) | 2019-03-25 | 2019-03-25 | Composite strengthening winding pipe |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208967258U (en) |
| WO (1) | WO2020191822A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020191950A1 (en) * | 2019-03-25 | 2020-10-01 | 淄博金洋达塑业有限公司 | Composite reinforced winding pipe and method for preparing same |
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| JP2634393B2 (en) * | 1987-07-17 | 1997-07-23 | 大日本プラスチックス株式会社 | Plastics spiral wound double tube for propulsion method and method of manufacturing the same |
| TW201318815A (en) * | 2011-11-08 | 2013-05-16 | Jian-Hong Liu | Hollow wall winding pipe structure and manufacturing method thereof |
| CN205877456U (en) * | 2016-06-14 | 2017-01-11 | 潘小雄 | HDPE cavity wall plastic steel wound pipe |
| CN206093242U (en) * | 2016-08-31 | 2017-04-12 | 广东统塑管业有限公司 | Cavity wall plastic steel wound pipe and slab band |
| CN206093245U (en) * | 2016-08-31 | 2017-04-12 | 广东统塑管业有限公司 | Muscle cavity wall winding bellows and strip are found in reinforcing |
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2019
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|---|---|---|---|---|
| WO2020191950A1 (en) * | 2019-03-25 | 2020-10-01 | 淄博金洋达塑业有限公司 | Composite reinforced winding pipe and method for preparing same |
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