CN102242845A - U-shaped flanging pipe joint for connecting polyethylene composite tubular product with ultrahigh molecular weight - Google Patents
U-shaped flanging pipe joint for connecting polyethylene composite tubular product with ultrahigh molecular weight Download PDFInfo
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- CN102242845A CN102242845A CN2010101777531A CN201010177753A CN102242845A CN 102242845 A CN102242845 A CN 102242845A CN 2010101777531 A CN2010101777531 A CN 2010101777531A CN 201010177753 A CN201010177753 A CN 201010177753A CN 102242845 A CN102242845 A CN 102242845A
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- pipe joint
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- cutting ferrule
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Abstract
The invention discloses a U-shaped flanging pipe joint for connecting a polyethylene composite tubular product with ultrahigh molecular weight, belonging to the technical field of pipeline connecting pieces. The pipe joint comprises a shrink sleeve, a steel strip cover, a lining, a locking screw, an O-shaped seal ring, a steel clamp sleeve and a filling layer, wherein the shrink sleeve is arranged between a steel strip and the lining; the lining is arranged in a cavity which is formed by the steel strip, the shrinkage sleeve, the locking screw and the steel clamping sleeve; the steel strip cover are sleeved on the steel strip; the steel clamp sleeve is arranged at the outer side of the U-shaped flanging pipe opening and the locking screw of a pipe body 1 and a pipe body 2; the locking screw is arranged between the shrink sleeve and the steel clamp sleeve; and the filling layer is arranged at the U-shaped flanging butt joint part of the pipe body 1 and the pipe body 2. According to the invention, the cost can be lowered by 20%, the bearing capability can reach more than 6MPa, the tensile yield strength can reach more than 6MPa, and the pipe joint is the U-shaped flanging pipe joint for the ultrahigh molecular weight polyethylene composite tubular product which has high corrosion resistance, reliable connection and long service life.
Description
Technical field
The present invention relates to a kind of ultra-high molecular weight polyethylene composite pipe and connect, belong to the pipe joint technical field, be mainly used in oil, chemical industry transfer line with U type flange pipe joint.
Background technique
Oil, chemical industry transfer line are in continuous operation working state, oil that is transported or chemical medium contain various corrosivity oil bodies, liquid or gas, inflammable, explosive, volatile, easy leakage, because of leakage can cause severe contamination to environment, for make oil, chemical industry transfer line floor space little, save the soil, reduce the transfer line construction cost, realization greenization transportation has proposed strict more technical requirements to wear resistant corrosion resistant, sealability and the reliability of pipe joint.Pipe joint structure designed in the prior art can't satisfy above-mentioned technical requirements, remains oil, chemical industry transfer line pipe joint are further improved.
Summary of the invention
The objective of the invention is to overcome the deficiency in the existing pipe joint technology, a kind of " ultra-high molecular weight polyethylene composite pipe connects with U type flange pipe joint " is provided.This pipe joint have reasonable in design, energy-conservation, cost is low, manufacturing process is simple, installation is easy to connect, good seal performance, advantage that bearing capacity is strong, be a kind of decay resistance strong, connect ultra-high molecular weight polyethylene composite pipe reliable, long service life and connect with U type flange pipe joint.
To achieve these goals, the present invention is achieved through the following technical solutions: a kind of ultra-high molecular weight polyethylene composite pipe connects with U type flange pipe joint, includes shrink sleeve, steel band cover, lining, locking nut, O RunddichtringO, steel cutting ferrule, packed layer.Institute's art shrink sleeve places between steel band and the lining, and described lining places by in steel band, shrink sleeve, locking nut and the formed cavity of steel cutting ferrule; The described steel band enclosure is on steel band, and the inner side surface at its outer side surface and body U type flange position matches; Described steel cutting ferrule is arranged at the outside of body 1 and the body 2U type flange mouth of pipe and locking nut, and its center is corresponding with the center line of body 1, body 2 interfaces; Described locking nut places between shrink sleeve and the steel cutting ferrule; Described packed layer places body 1, body 2U type flange interface position, and packed layer is silicon resin glue or one pack system resin glue.
Outer side surface central position at described steel cutting ferrule is provided with the trapezoidal shape groove, and the two ends, side are symmetrically arranged with seal groove within it, and the O RunddichtringO places in the seal groove, coincide with tube wall.
Inner side surface at described steel cutting ferrule two ends is provided with and the corresponding internal thread of locking nut outside thread.
Its used material of described shrink sleeve, steel band cover, lining and steel cutting ferrule is a carbon steel.
The present invention compares with existing tubing connecting tube joint has following advantage:
This pipe joint have reasonable in design, energy-conservation, cost is low, manufacturing process is simple, installation is easy to connect, good seal performance, advantage that bearing capacity is strong, is that a kind of decay resistance ultra-high molecular weight polyethylene composite pipe strong, that connect reliable long service life connects with U type flange pipe joint.
2. place the steel band outside and coincide, be enclosed within annular shrink sleeve on the body with lining because of being provided with, inject packed layer at body 1, body 2U type flange interface position again simultaneously, further also be symmetrically arranged with seal ring at steel cutting ferrule inner side surface, with the multiple-sealed structure of the identical formation of tube wall, sealing effect is excellent, effectively prevent entering of various source of corrosion, guaranteed that lining, steel band and body are not corroded, prolonged pipeline working life;
3. the invar band places between lining and the body U type flange, and steel band is tightly locked by lining and U type flange inwall, has effectively improved the pipeline tensile yield strength, and tensile yield strength can reach more than the 5MPa;
4. adopt bolton because of the present invention during the pipeline connection, need not thermal source, need not main equipment, work under the normal temperature operating mode, installation and maintenance are extremely convenient, because of this pipe joint is a U type flange pipe joint structure, make the transfer line floor space little, save the soil, can reduce overall cost 20%.
Description of drawings
Fig. 1 is a sectional structure schematic representation of the present invention.
Among the figure: 1. body 1, and 2. body 2,3. steel band, 4. shrink sleeve, 5. steel band cover, 6. lining, 7. locking nut, 8.O RunddichtringO, 9. steel cutting ferrule, 10, packed layer, 11. screw holes, 12. grooves, 13. seal grooves.
Embodiment
Below by non-limiting example, further set forth the present invention, understand the present invention.
Embodiment
The present invention as shown in Figure 1, this ultra-high molecular weight polyethylene composite pipe connects with U type flange pipe joint, includes shrink sleeve, steel band cover, lining, locking nut, O RunddichtringO, steel cutting ferrule, packed layer.Institute's art shrink sleeve places between steel band and the lining, and described lining places by in steel band, shrink sleeve, locking nut and the formed cavity of steel cutting ferrule; The described steel band enclosure is on steel band, and the inner side surface at its outer side surface and body U type flange position matches, and the steel band cover is by the mould shaped by fluid pressure; Described steel cutting ferrule is arranged at the outside of the body 1 and the body 2U type flange mouth of pipe and locking nut by the machining moulding, and its center is corresponding with the center line of body 1, body 2 interfaces; Described locking nut places between shrink sleeve and the steel cutting ferrule; Described packed layer places body 1, body 2U type flange interface position, and packed layer is silicon resin glue or one pack system resin glue, and packed layer injects with the glue rifle.
Outer side surface central position at described steel cutting ferrule is provided with the trapezoidal shape groove, and the two ends, side are symmetrically arranged with seal groove within it, and the O RunddichtringO places in the seal groove, coincide with tube wall.
Inner side surface at described steel cutting ferrule two ends is provided with and the corresponding internal thread of locking nut outside thread.
Its used material of described shrink sleeve, steel band cover, lining and steel cutting ferrule is No. 20 steel, and the used material of steel band is the Q235 steel.
When the connection body is installed, earlier put locking nut on body, back sleeve bushing is earlier to steel band flanger U type flange, put the steel band cover with squeezing unit, next step is that body is carried out U type flange, then the steel cutting ferrule is enclosed within on body 1 or the body 2, injects packed layer with the glue rifle on body 1 and body 2 interfaces, dock two bodys, body 1 is coincide with body 2 locate, lock the two ends locking nut at last simultaneously, finish piping erection.
In sum, the present invention compares with existing tubing connecting tube joint can reduce cost 20%, and bearing capacity can reach more than the 6MPa, and tensile yield strength can reach more than the 6MPa.This pipe joint have reasonable in design, energy-conservation, cost is low, manufacturing process is simple, installation is easy to connect, good seal performance, advantage that bearing capacity is strong, be that a kind of decay resistance is strong, connection is reliable, the ultra-high molecular weight polyethylene composite pipe of long service life connects with U type flange pipe joint.
Claims (5)
1. a ultra-high molecular weight polyethylene composite pipe connects with U type flange pipe joint, it is characterized in that, include shrink sleeve (4), steel band cover (5), lining (6), locking nut (7), O RunddichtringO (8), steel cutting ferrule (9), packed layer (10), institute's art shrink sleeve (4) places between steel band (3) and the lining (6), described lining (6) places by steel band (3), shrink sleeve (4), in locking nut (7) and the formed cavity of steel cutting ferrule (9), described steel band cover (5) is enclosed within on the steel band (3), the inner side surface at its outer side surface and body U type flange position matches, described steel cutting ferrule (9) is arranged at the outside of body 1 and the body 2U type flange mouth of pipe and locking nut (7), its center and body 1, the center line of body 2 interfaces is corresponding, described locking nut (7) places between shrink sleeve (4) and the steel cutting ferrule (9), and described packed layer (10) places body 1, body 2U type flange interface position.
2. a kind of ultra-high molecular weight polyethylene composite pipe according to claim 1 connects with U type flange pipe joint, it is characterized in that, be provided with trapezoidal shape groove (10) in the outer side surface central position of described steel cutting ferrule (9), the two ends, side are symmetrically arranged with seal groove (13) within it, O RunddichtringO (8) places in the seal groove (13), coincide with tube wall.
3. a kind of ultra-high molecular weight polyethylene composite pipe according to claim 1 connects with U type flange pipe joint, it is characterized in that the inner side surface at described steel cutting ferrule (9) two ends is provided with and the corresponding internal thread of locking nut (7) outside thread.
4. a kind of ultra-high molecular weight polyethylene composite pipe according to claim 1 connects with U type flange pipe joint, it is characterized in that described packed layer (10) is silicon resin glue or one pack system resin glue.
5. a kind of ultra-high molecular weight polyethylene composite pipe according to claim 1 connects with U type flange pipe joint, it is characterized in that its shrink sleeve (4), steel band cover (5), lining (6) and its used material of steel cutting ferrule (9) are carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101777531A CN102242845A (en) | 2010-05-13 | 2010-05-13 | U-shaped flanging pipe joint for connecting polyethylene composite tubular product with ultrahigh molecular weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101777531A CN102242845A (en) | 2010-05-13 | 2010-05-13 | U-shaped flanging pipe joint for connecting polyethylene composite tubular product with ultrahigh molecular weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102242845A true CN102242845A (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101777531A Pending CN102242845A (en) | 2010-05-13 | 2010-05-13 | U-shaped flanging pipe joint for connecting polyethylene composite tubular product with ultrahigh molecular weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102242845A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI571585B (en) * | 2015-06-24 | 2017-02-21 | Ian Larsen | Large diameter submerged pipe joint device and its combination method |
| CN113606413A (en) * | 2021-08-03 | 2021-11-05 | 山东东宏管业股份有限公司 | Steel wire fixing and connecting structure and method for steel wire mesh framework polyethylene composite pipe end steel wires |
-
2010
- 2010-05-13 CN CN2010101777531A patent/CN102242845A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI571585B (en) * | 2015-06-24 | 2017-02-21 | Ian Larsen | Large diameter submerged pipe joint device and its combination method |
| CN113606413A (en) * | 2021-08-03 | 2021-11-05 | 山东东宏管业股份有限公司 | Steel wire fixing and connecting structure and method for steel wire mesh framework polyethylene composite pipe end steel wires |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111116 |