CN202790983U - Glass fiber reinforced polypropylene steel strip winding ribbed pipe - Google Patents
Glass fiber reinforced polypropylene steel strip winding ribbed pipe Download PDFInfo
- Publication number
- CN202790983U CN202790983U CN201220445320.4U CN201220445320U CN202790983U CN 202790983 U CN202790983 U CN 202790983U CN 201220445320 U CN201220445320 U CN 201220445320U CN 202790983 U CN202790983 U CN 202790983U
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- steel strip
- reinforced polypropylene
- frpp
- strip winding
- steel band
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Abstract
The utility model discloses a glass fiber reinforced polypropylene steel strip winding ribbed pipe. The glass fiber reinforced polypropylene steel strip winding ribbed pipe comprises a barrel-shaped pipe wall made from glass fiber reinforced polypropylene FRPP, wherein a reinforcing rib is wound on the outer surface of the barrel-shaped pipe wall; the reinforcing rib comprises an FRPP layer and a steel strip in the FRPP layer; the cross section of the steel strip is I-shaped; and the arrangement direction of the steel strip is vertical to the outer surface of the barrel-shaped pipe wall. According to the glass fiber reinforced polypropylene steel strip winding ribbed pipe, by setting the I-shaped steel strip in the reinforcing rib, the strength of the FRPP steel strip winding ribbed pipe is enhanced and the overall strength is improved by multiple times and even dozens of times. In the process of connecting two pipelines, when a bulldozer is adopted to perform the refilling operation, the FRPP steel strip winding ribbed pipe is applied with external pressures vertical to the outer circle of the barrel-shaped pipe wall from top down, and most of the external pressures act on the I-shaped steel strip as the I-shaped steel strip is vertical to the outer circle of the barrel-shaped pipe wall, so that the pipe is not easily deformed.
Description
Technical field
The utility model belongs to the tubing technical field, relates to a kind of riffled tube, relates in particular to a kind of fiber glass reinforced polypropylene steel strip winding riffled tube.
Background technique
FRPP pipe (fiber glass reinforced polypropylene pipe) is the glass fibre modified polypropylene material production of using through coupling agent treatment, according to the HG20539-92 standard, specification De200-De3000mm, the tubing corrosion-resistant, high temperature resistant, high pressure resistant, that health is nontoxic, recoverable is applicable to corrosive liquids and carries (such as acid ﹠ alkali liquid) and municipal supply and drain water system.Have better impact resistance and tensile strength, lightweight, installation and maintenance are characteristics easily.The FRPP pipe is widely used in the industries such as chemical industry, chemical fibre, chlor-alkali, dyestuff, plumbing, food, medicine, sewage treatment, electrolysis because of its distinctive performance.
See also Fig. 1, existing FRPP twines riffled tube and comprises cylindric tube wall 100, is provided with at cylindric tube wall 100 outer surfaces to be the stiffening rib 110 that ripple twines shape.This tubing in order to reduce labor intensity, generally is to adopt the bulldozer backfill to replace artificial backfill in actual connection procedure, and compacting or roll, and in this process, the connection mouth place of tubing is crushed easily, and What is more, can cause breaking of tubing connection mouth.
In view of this, nowadays in the urgent need to designing a kind of novel fiber glass reinforced polypropylene steel strip winding riffled tube, with the performance of further raising riffled tube.
The model utility content
Technical problem to be solved in the utility model is: a kind of fiber glass reinforced polypropylene steel strip winding riffled tube is provided, can further improve the intensity of riffled tube, and not yielding.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of fiber glass reinforced polypropylene steel strip winding riffled tube, described riffled tube comprise the cylindric tube wall that fiber glass reinforced polypropylene FRPP material is made, and are wound with stiffening rib at described cylindric tube wall outer surface; Described stiffening rib comprises the steel band in FRPP material layer and the FRPP material layer, and the section shape of described steel band is " I " font, and the setting party of steel band is to being outer surface perpendicular to cylindric tube wall.
As a kind of preferred version of the present utility model, described steel band perpendicular to the implication of the outer surface of cylindric tube wall is: the center line of described steel band section and cylindric tube wall have a joint, described cylindric tube wall outer surface has one along the tangent plane of this joint, and the center line of described steel band section is vertical with this tangent plane.
As a kind of preferred version of the present utility model, the section of steel band refers to the cross section perpendicular to the steel strip winding trend.
As a kind of preferred version of the present utility model, described steel band sprays respectively the FRPP material by the rear both sides of heater heating.
As a kind of preferred version of the present utility model, described FRPP material layer and cylindric tube wall fit tightly.
The beneficial effects of the utility model are: fiber glass reinforced polypropylene FRPP steel strip winding riffled tube and the preparation method that the utility model proposes, by " I " font steel band is set in stiffening rib, strengthened the intensity of FRPP steel strip winding riffled tube, bulk strength has increased several times even tens times.In two pipeline connection procedures, when adopting the bulldozer backfill, FRPP steel strip winding riffled tube is subject to the external pressure perpendicular to cylindric tube wall cylindrical from top to bottom, because the steel band of " I " font is vertical with the cylindrical of cylindric tube wall, the external pressure major part acts on the steel band of this " I " font, thereby so that tubing (the especially mouth of pipe) is not easy distortion.
In addition, under with the ring stiffness level, the needed raw material of the utility model riffled tube reduce, and the steel band cost is low, has reduced cost of production.Under with the ring stiffness level, the utility model riffled tube overall weight alleviates, and has reduced transportation and lifting cost and has used.The utility model mainly serves as buried drain pipe.
Description of drawings
Fig. 1 is the existing structural representation that twines riffled tube.
Fig. 2 is the structural representation of the utility model FRPP steel strip winding riffled tube.
Fig. 3 is that the stiffening rib of riffled tube among Fig. 2 is along the sectional view of AA direction.
Fig. 4 is the schematic representation of (along the AA direction of Fig. 2) after stiffening rib and the cutting of cylindric tube wall.
Fig. 5 is the structural representation of the utility model FRPP steel strip winding riffled tube axial slices.
Fig. 6 is the utility model FRPP steel strip winding riffled tube preparation method's flow chart.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 2 to Fig. 5, the utility model has disclosed a kind of fiber glass reinforced polypropylene FRPP steel strip winding riffled tube, described riffled tube comprises the cylindric tube wall 100 that fiber glass reinforced polypropylene FRPP material is made, and is wound with stiffening rib 110 at described cylindric tube wall 100 outer surfaces.The inner wall smooth of cylindric tube wall, resistance is little, and charge species can not be attached to and form incrustation scale on the tube wall in the water.Fiber glass reinforced polypropylene FRPP steel strip winding pipe has corrosion-resistant, resistant to elevated temperatures characteristics.
Described stiffening rib 110 is entwined jointly by steel band 111 and FRPP material; Described stiffening rib 110 comprises the steel band 111 in FRPP material layer 112 and the FRPP material layer 112, and described steel band sprays respectively the FRPP material by the rear both sides of heater heating, forms stiffening rib 110.Described FRPP material layer 112 fits tightly with cylindric tube wall 100.The height of this steel band 111 is less than the height (that is height of whole stiffening rib) of FRPP material layer 112.In the present embodiment, the steel band 111 of " I " font highly is 2/3rds of whole stiffening rib height.
See also Fig. 4, the section shape of described steel band 111 is " I " font.Described section is preferably the cross section of twining trend perpendicular to steel band 111, such as the AA direction among Fig. 2.Certainly, much the cross section of other directions (such as the axial cross section of cylindric tube wall 100, interface radially) also is " I " font.
The setting party of steel band 110 is to being outer surface (surface of contact) perpendicular to cylindric tube wall 100; The center line j and the cylindric tube wall 100 that are described steel band 111 sections have a joint, and described cylindric tube wall 100 outer surfaces have one along the tangent plane h of this joint, and the center line j of described steel band 111 sections is vertical with this tangent plane h.
More than introduced the structure of the utility model fiber glass reinforced polypropylene FRPP steel strip winding riffled tube, the utility model also discloses a kind of preparation method of above-mentioned fiber glass reinforced polypropylene steel strip winding riffled tube when disclosing above-mentioned riffled tube; See also Fig. 6, described preparation method comprises the steps:
[step S1] utilizes fiber glass reinforced polypropylene FRPP material to make cylindric tube wall.
[step S2] heats the bar shaped steel band of section for " I " font by heater, heating-up temperature is 150 °-270 °, and be 0.1-2 minute heating time.In the present embodiment, the temperature of heating steel band is 220 °, and be 1 minute heating time.
[step S3] utilizes spraying equipment to through the spraying of the steel band both sides after heating FRPP material, forms stiffening rib.
[step S4] carries out spiral winding with the stiffening rib that steel band and FRPP material form through Wiring apparatus, one side when twining with the outer wall that is fixed on cylindric tube wall of stiffening rib; The setting party of steel band is to being outer surface perpendicular to cylindric tube wall.
[step S5] forms the utility model fiber glass reinforced polypropylene FRPP steel strip winding riffled tube.
In sum, fiber glass reinforced polypropylene FRPP steel strip winding riffled tube and the preparation method that the utility model proposes, by " I " font steel band is set in stiffening rib, strengthened the intensity of FRPP steel strip winding riffled tube, bulk strength has increased several times even tens times.In two pipeline connection procedures, when adopting the bulldozer backfill, FRPP steel strip winding riffled tube is subject to the external pressure perpendicular to cylindric tube wall cylindrical from top to bottom, because the steel band of " I " font is vertical with the cylindrical of cylindric tube wall, the external pressure major part acts on the steel band of this " I " font, thereby so that tubing (the especially mouth of pipe) is not easy distortion.
In addition, under with the ring stiffness level, the needed raw material of the utility model riffled tube reduce, and the steel band cost is low, has reduced cost of production.Under with the ring stiffness level, the utility model riffled tube overall weight alleviates, and has reduced transportation and lifting cost and has used.The utility model mainly serves as buried drain pipe.
Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here disclosed embodiment's distortion and change is possible, and the various parts of embodiment's replacement and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that does not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (4)
1. a fiber glass reinforced polypropylene steel strip winding riffled tube is characterized in that, described riffled tube comprises the cylindric tube wall that fiber glass reinforced polypropylene FRPP material is made, and is wound with stiffening rib at described cylindric tube wall outer surface;
Described stiffening rib comprises the steel band in FRPP material layer and the FRPP material layer, and the section shape of described steel band is " I " font, and the setting party of steel band is to being outer surface perpendicular to cylindric tube wall.
2. fiber glass reinforced polypropylene steel strip winding riffled tube according to claim 1, it is characterized in that: the center line of described steel band section and cylindric tube wall have a joint, described cylindric tube wall outer surface has one along the tangent plane of this joint, and the center line of described steel band section is vertical with this tangent plane.
3. fiber glass reinforced polypropylene steel strip winding riffled tube according to claim 1 and 2 is characterized in that: the section of steel band refers to the cross section perpendicular to the steel strip winding trend.
4. fiber glass reinforced polypropylene steel strip winding riffled tube according to claim 1 and 2, it is characterized in that: described FRPP material layer and cylindric tube wall fit tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220445320.4U CN202790983U (en) | 2012-09-03 | 2012-09-03 | Glass fiber reinforced polypropylene steel strip winding ribbed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220445320.4U CN202790983U (en) | 2012-09-03 | 2012-09-03 | Glass fiber reinforced polypropylene steel strip winding ribbed pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790983U true CN202790983U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220445320.4U Expired - Lifetime CN202790983U (en) | 2012-09-03 | 2012-09-03 | Glass fiber reinforced polypropylene steel strip winding ribbed pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829260A (en) * | 2012-09-03 | 2012-12-19 | 上海金山洋生管道有限公司 | FRPP (fiber reinforced polypropylene) steel-belt-wound ribbed tube and preparation method thereof |
| CN103672198A (en) * | 2013-11-01 | 2014-03-26 | 安徽邦尼新材料有限公司 | Novel plastic reinforcing rib for reinforcing winding pipe and manufacturing method of novel plastic reinforcing rib |
-
2012
- 2012-09-03 CN CN201220445320.4U patent/CN202790983U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829260A (en) * | 2012-09-03 | 2012-12-19 | 上海金山洋生管道有限公司 | FRPP (fiber reinforced polypropylene) steel-belt-wound ribbed tube and preparation method thereof |
| CN103672198A (en) * | 2013-11-01 | 2014-03-26 | 安徽邦尼新材料有限公司 | Novel plastic reinforcing rib for reinforcing winding pipe and manufacturing method of novel plastic reinforcing rib |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |