CN205824396U - The electric power multi-lay winding of a kind of band flaring head strengthens polyolefin pipe - Google Patents
The electric power multi-lay winding of a kind of band flaring head strengthens polyolefin pipe Download PDFInfo
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- CN205824396U CN205824396U CN201620797715.9U CN201620797715U CN205824396U CN 205824396 U CN205824396 U CN 205824396U CN 201620797715 U CN201620797715 U CN 201620797715U CN 205824396 U CN205824396 U CN 205824396U
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- flaring head
- electric power
- power multi
- winding
- polyolefin pipe
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Abstract
This utility model relates to a kind of Country Tubular Goods, and the electric power multi-lay winding of a kind of band flaring head strengthens polyolefin pipe, and including flaring head and tubing body two parts, described flaring head part is tube connector；Described flaring head and tubing body are three layers of winding arrangement, respectively outer layer, intermediate layer and internal layer, and three layers are combined with each other by hot winding.It is high that this utility model tubing has ring stiffness, good impact resistance, the advantages such as coefficient of friction is low, heat-resist.
Description
Technical field
This utility model relates to a kind of Country Tubular Goods, and the electric power multi-lay winding particularly relating to a kind of band flaring head strengthens
Polyolefin pipe.
Background technology
The tubing in power cable sheath field is generally HDPE pipe and glass reinforced plastic pipe at present, and wherein HDPE pipe exists following
Shortcoming: 1, elasticity modulus of materials is low, about 800Mpa, thereby result in pipe ring stiffness on the low side；2, poor heat resistance, vicat temperature is low,
General about 80 degree, at the long-time adstante febre of cable, it is likely to result in pipe deformations, thus causes road surface to subside.
Glass reinforced plastic pipe is compared and be there is following shortcoming: 1, coefficient of friction is big, and tubing inside and outside wall is coarse, causes and wears cable inconvenience,
Easy damaged cable time serious；2, tubing poor toughness, fiberglass is thermosetting material, when by external impact, is highly prone to brokenly
Bad, can not bend simultaneously, cause construction inconvenience.
Summary of the invention
The technical problems to be solved in the utility model, is to provide a kind of ring stiffness high, good impact resistance, coefficient of friction
Low, heat-resist tubing.
This utility model is achieved in that the electric power multi-lay winding of a kind of band flaring head strengthens polyolefin pipe, bag
Including flaring head and tubing body two parts, described flaring head part is tube connector；Described flaring head and tubing body are three layers
Winding arrangement, respectively outer layer, intermediate layer and internal layer, three layers are combined with each other by hot winding.
Described outer layer thickness E1 is 1～5mm, uses the high-density polyethylene material of good-toughness.
Described intermediate layer thickness E2 is 2～20mm, uses the chopped glass fiber enhancing modified polypropylene material of good strength.
Described internal layer thickness E3 is 1～5mm, uses the polypropylene material of high gloss.
Length L1 of described flaring head is 0.8-1.2 times of tube outer diameter.
The electric power multi-lay winding of this utility model a kind of band flaring head strengthens polyolefin pipe and has the following advantages: outside described
Layer uses the high-density polyethylene material of good-toughness, improves the external force resistance impact failure of tubing；Described intermediate layer uses
The chopped glass fiber enhancing modified polypropylene material of good strength, is allowed to tubing and has excellent ring stiffness；Described internal layer uses height
The polypropylene material of glossiness, the coefficient of friction being allowed to inwall is greatly lowered, and improves construction convenience；So that tubing possesses
Following performance: 1, excellent ring stiffness and thermostability: because intermediate layer uses chopped glass fiber enhancing modified polypropylene material, make pipe
Material has excellent ring stiffness, typically up to more than 50KN/m2；Thermostability is greatly improved simultaneously, and vicat temperature is up to 135
More than degree；2, excellent toughness: because tubing outer layer uses the high-density polyethylene material of good-toughness, makes the anti-outside punching of tubing
The destructiveness hit is greatly improved, the weatherability that high density polyethylene (HDPE) itself is good simultaneously, effectively protects tubing in outdoor length
Phase serviceability；3, excellent construction convenience: Inner tubing layers uses the modified polypropylene material of high glaze, and coefficient of friction obtains
Significantly reduce, less than 0.3, reduce frictional force during cable penetration, devise flaring head because of tubing simultaneously, beneficially tubing
Connect, improve and connect the efficiency of construction installed.
Accompanying drawing explanation
This utility model is further described the most in conjunction with the embodiments.
Fig. 1 is that the overall structure of the electric power multi-lay winding enhancing polyolefin pipe of this utility model a kind of band flaring head is shown
It is intended to.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.
Refer to shown in Fig. 1, be that the electric power multi-lay winding of a kind of band flaring head described in the utility model strengthens polyene
Hydrocarbon tubing, including flaring head 5 and tubing body 4 two parts, described flaring head 5 part is tube connector；Described flaring head 5 and pipe
Material body 4 is three layers of winding arrangement, respectively outer layer 1, intermediate layer 2 and internal layer 3, and three layers are combined with each other by hot winding.
Described outer layer 1 thickness E 1 is 1～5mm, uses the high-density polyethylene material of good-toughness.
Described intermediate layer 2 thickness E 2 is 2～20mm, uses the chopped glass fiber enhancing modified polypropylene material of good strength.
Described internal layer 3 thickness E 3 is 1～5mm, uses the polypropylene material of high gloss.
0.8-1.2 times that length L1 is tube outer diameter of described flaring head 5.
The electric power multi-lay winding of this utility model a kind of band flaring head strengthens the production method of polyolefin pipe, its step
For:
Outer layer 1 extruded by step 1, use A extruder, and introducing is wound on forming roll；
Step 2, use B extruding layer extrude intermediate layer 2, and introducing is wound on forming roll；
Step 3, with C extrusion extrusion internal layer 3, and introduce be wound on forming roll；
Step 4, by the outer layer 1 of extrusion, intermediate layer 2, internal layer 3 by pressure roller apply certain pressure make they continuous windings also
It is combined with each other；
Step 5, cool down by the tubing wound with cold wind；
Step 6, forming roll will be wound in ingot stripper separate with tubing, tubing will be carried out deburring process.
Claims (5)
1. the electric power multi-lay winding of band flaring head strengthens a polyolefin pipe, including flaring head and tubing body two parts,
Described flaring head part is tube connector；Described flaring head and tubing body are three layers of winding arrangement, respectively outer layer, intermediate layer
And internal layer, three layers are combined with each other by hot winding.
The electric power multi-lay winding of a kind of band flaring head the most according to claim 1 strengthens polyolefin pipe, and its feature exists
In: described outer layer thickness E1 is 1～5mm, uses the high-density polyethylene material of good-toughness.
The electric power multi-lay winding of a kind of band flaring head the most according to claim 1 strengthens polyolefin pipe, and its feature exists
In: described intermediate layer thickness E2 is 2～20mm, uses the chopped glass fiber enhancing modified polypropylene material of good strength.
The electric power multi-lay winding of a kind of band flaring head the most according to claim 1 strengthens polyolefin pipe, and its feature exists
In: described internal layer thickness E3 is 1～5mm, uses the polypropylene material of high gloss.
The electric power multi-lay winding of a kind of band flaring head the most according to claim 1 strengthens polyolefin pipe, and its feature exists
In: length L1 of described flaring head is 0.8-1.2 times of tube outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620797715.9U CN205824396U (en) | 2016-07-27 | 2016-07-27 | The electric power multi-lay winding of a kind of band flaring head strengthens polyolefin pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620797715.9U CN205824396U (en) | 2016-07-27 | 2016-07-27 | The electric power multi-lay winding of a kind of band flaring head strengthens polyolefin pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205824396U true CN205824396U (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620797715.9U Active CN205824396U (en) | 2016-07-27 | 2016-07-27 | The electric power multi-lay winding of a kind of band flaring head strengthens polyolefin pipe |
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| CN (1) | CN205824396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108082765B (en) * | 2017-12-05 | 2023-05-19 | 安徽伊士达耐腐设备股份有限公司 | Wall structure of chemical container and production method thereof |
-
2016
- 2016-07-27 CN CN201620797715.9U patent/CN205824396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108082765B (en) * | 2017-12-05 | 2023-05-19 | 安徽伊士达耐腐设备股份有限公司 | Wall structure of chemical container and production method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |