CN201242001Y - Large diameter steel mesh reinforced plastic pressure pipe - Google Patents
Large diameter steel mesh reinforced plastic pressure pipe Download PDFInfo
- Publication number
- CN201242001Y CN201242001Y CNU2008200648194U CN200820064819U CN201242001Y CN 201242001 Y CN201242001 Y CN 201242001Y CN U2008200648194 U CNU2008200648194 U CN U2008200648194U CN 200820064819 U CN200820064819 U CN 200820064819U CN 201242001 Y CN201242001 Y CN 201242001Y
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- China
- Prior art keywords
- steel mesh
- tube
- plastic
- steel
- plastic tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a big-diameter steel-mesh reinforced plastic pressure tube, which comprises a steel mesh and at least two layers of plastic pipes, wherein the steel mesh is clamped between the plastic pipes. The utility model is characterized in that the pipe walls of the plastic pipes are scrolled by strip-shaped plate belts through screwing, the overlapping portion of the adjacent plate belts is welded together, the steel mesh is wound on the outer walls of the plastic pipes, and adjacent outer walls and inner walls of the plastic pipes are mutually welded together. The utility model has the advantages of big tube diameter, simple equipment, low manufacture cost and long service span, which is convenient for the plastic pipes and the steel mesh to be scrolled layer by layer, and can reduce internal stress of the steel mesh on the plastic plate belts because of different expansion coefficients.
Description
Technical field
The utility model relates to a kind of pressure piping, particularly relates to a kind of major diameter steel mesh reinforced plastics pressure tube.
Background technique
The steel-plastic composite pressure pipe that occurs on the market mainly contains following several types now: the interior poly steel-plastic composite pressure pipe of the steel-plastic composite pressure pipe of the steel-plastic composite pressure pipe of steel wire mesh frame formula, orifice-plate type welded tube, the steel-plastic composite pressure pipe of five-layer structure and outer stainless steel etc.
Wherein the steel-plastic composite pressure pipe of steel-wire carcass formula has intensity height, corrosion-resistant, easy-to-install advantage, is widely used in fields such as oil, rock gas, municipal engineering and industrial fluids conveying.Described in the steel-plastic composite pressure pipe of wherein more representational steel-wire carcass formula such as the Chinese invention patent ublic specification of application CN1873279, the steel-plastic composite pressure pipe of steel-wire carcass formula is made of plastic tube and steel wire, steel wire is woven on the plastic tube of extrusion modling, and then extrude the outer layer plastic layer, can repeat the steel-plastic composite pressure pipe that this process is made the steel-wire carcass formula of Composite Steel silk screen braiding.The diameter of steel-plastic composite pressure pipe extrusion plastic pipe in manufacture process of such steel-wire carcass formula is subjected to device-restrictive, and in braided steel wire and complex process when extruding the outer layer plastic layer, equipment is comparatively expensive.
Summary of the invention
The purpose of this utility model is: provide a kind of pipe diameter big, manufacturing equipment is simple, the major diameter steel mesh reinforced plastics pressure tube that product cost is low.
The technical solution of the utility model is:
A kind of major diameter steel mesh is strengthened pressure tube, comprise steel mesh and be no less than 2 layers plastic tube, steel mesh is clipped between the plastic tube, it is characterized in that: the tube wall of described plastic tube is by banded strip helical coil system, the overlap of adjacent strip is welded together, steel mesh is wrapped on the pipe outer wall of plastic tube, and adjacent pipe outer wall and inner tube wall are welded together mutually.
Optimal technical scheme of the present utility model is as follows:
Described plastic tube is 3 layers, and steel mesh is 2 layers.
The overlap projection in the axial direction that different layers plastic tube strip spiral rolls is staggered mutually.
The inside and outside wall of major diameter steel mesh reinforced plastics pressure tube is a smooth flat.
The beneficial effects of the utility model are: pipe diameter is big, and equipment is simple, low cost of manufacture, and the life-span is long, makes things convenient for plastic tube and steel mesh successively to roll, and can reduce the internal stress that steel mesh and plastic tube bring because of expansion coefficient is different.And major diameter steel mesh reinforced plastics pressure tube of the present utility model can be adjusted the strip size flexibly according to caliber, the number of plies of steel net structure and coiling plastic tube, and the pressure that pipeline can be born is not less than 0.6MPa.
Description of drawings
Fig. 1 is the partial sectional view of the utility model major diameter steel mesh reinforced plastics pressure tube.
Fig. 2 is the schematic representation of the strip of major diameter steel mesh reinforced plastics pressure tube.
Wherein, reference character: 1 is strip, and 2 is steel mesh, and 3 is overlap.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Specific embodiment of the utility model, as shown in Figure 1, a kind of major diameter steel mesh reinforced plastics pressure tube, comprise 3 layers of plastic tube that is rolled by HDPE strip 1 spiral, strip 1 is band shape as shown in Figure 2, its both sides are overlap 3, and after spiral rolled, adjacent overlap 3 was welded together; Steel mesh 2 is clipped between the plastic tube, steel mesh 2 is wrapped on the pipe outer wall of plastic tube, the pipe outer wall of first layer plastic tube and the inner tube wall of second layer plastic tube are welded together mutually, pipe outer wall at second layer plastic tube twines one deck steel mesh 2 again, and the pipe outer wall of second layer plastic tube and the inner tube wall of three-layer plastic pipe are welded together mutually.Preferably, the inside and outside wall of pipe is a smooth flat.
In order to make the stressed more reasonable of pipeline, overlap 3 projection in the axial direction that different layers plastic tube strip spiral is rolled is staggered mutually.
In the above-described embodiments, major diameter steel mesh reinforced plastics pressure tube can be adjusted the size of strip 1, the structure of steel mesh 2 and the number of plies of coiling plastic tube and corresponding steel mesh flexibly according to caliber, and the pressure that pipeline can be born is not less than 0.6MPa.
Claims (4)
1. major diameter steel mesh reinforced plastics pressure tube, comprise steel mesh and be no less than 2 layers plastic tube, steel mesh is clipped between the plastic tube, it is characterized in that: the tube wall of described plastic tube is by banded strip helical coil system, the overlap of adjacent strip is welded together, steel mesh is wrapped on the pipe outer wall of plastic tube, and the pipe outer wall and the inner tube wall of adjacent plastic tube are welded together mutually.
2. major diameter steel mesh reinforced plastics pressure tube according to claim 1 is characterized in that described plastic tube is 3 layers, and steel mesh is 2 layers.
3. major diameter steel mesh reinforced plastics pressure tube according to claim 1 is characterized in that the overlap projection in the axial direction that different layers plastic tube strip spiral rolls is staggered mutually.
4. major diameter steel mesh reinforced plastics pressure tube according to claim 1 is characterized in that the inside and outside wall of major diameter steel mesh reinforced plastics pressure tube is a smooth flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200648194U CN201242001Y (en) | 2008-08-21 | 2008-08-21 | Large diameter steel mesh reinforced plastic pressure pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200648194U CN201242001Y (en) | 2008-08-21 | 2008-08-21 | Large diameter steel mesh reinforced plastic pressure pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242001Y true CN201242001Y (en) | 2009-05-20 |
Family
ID=40715294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200648194U Expired - Fee Related CN201242001Y (en) | 2008-08-21 | 2008-08-21 | Large diameter steel mesh reinforced plastic pressure pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201242001Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873858A (en) * | 2012-09-28 | 2013-01-16 | 天津盛象塑料管业有限公司 | Method for solving problem of warping of plastic compound pipeline with small nominal diameter and steel frame |
-
2008
- 2008-08-21 CN CNU2008200648194U patent/CN201242001Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873858A (en) * | 2012-09-28 | 2013-01-16 | 天津盛象塑料管业有限公司 | Method for solving problem of warping of plastic compound pipeline with small nominal diameter and steel frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20120821 |