CN102109079A - Pipeline expansion compensator - Google Patents
Pipeline expansion compensator Download PDFInfo
- Publication number
- CN102109079A CN102109079A CN 201110055098 CN201110055098A CN102109079A CN 102109079 A CN102109079 A CN 102109079A CN 201110055098 CN201110055098 CN 201110055098 CN 201110055098 A CN201110055098 A CN 201110055098A CN 102109079 A CN102109079 A CN 102109079A
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- Prior art keywords
- corrugated tube
- outward corrugated
- honeycomb duct
- pipeline
- pipe
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Abstract
The invention relates to a pipeline expansion compensator. The pipeline expansion compensator comprises an outer corrugated pipe and an inner stream guiding pipe, wherein the inner stream guiding pipe is arranged in the middle of the interior of the outer corrugated pipeline; a certain gap is formed between the outer surface of the inner stream guiding pipe and the inner surface of the outer corrugated pipe; the length of the inner stream guiding pipe is smaller than that of the outer corrugated pipe; the inner stream guiding pipe can longitudinally move in the outer corrugated pipe; two ends of the outer corrugated pipe are two sections of light pipes; the ratio of the peak crest diameter to the peak valley diameter of the outer corrugated pipe is 1.5 to 8; at least one retainer ring is respectively welded at two ends of the outer surface of the inner stream guiding pipe and surrounds the inner stream guiding pipe; when the inner stream guiding pipe longitudinally move in the outer corrugated pipe, the retainer ring is always positioned at the two sections of the light pipes, and the thickness of the retainer ring is equal to the width of the gap between the inner stream guiding pipe and the light pipe; and inner walls of two ends of the outer corrugated pipe are provided with inner blocking rings, and two ends of the outer corrugated pipe are provided with flanges. The pipeline expansion compensator provided by the invention has a simple structure and high expansion compensation.
Description
(1), technical field: the present invention relates to a kind of pipeline telescopic compensator.
(2), background technique: at present, in the piping erection engineering, the general hard connecting mode that adopts directly connection or connect of butt joint between the pipeline by flange, there is deficiency in this Placement, when ambient temperature changes, pipeline can produce displacement longitudinally because expanding with heat and contract with cold phenomenon, and pipeline will deform or be damaged like this.In order to address this problem, various pipeline telescopic compensators have appearred in the prior art, these pipeline telescopic compensators generally are connected between two pipelines, when pipeline produces vertical shift owing to expanding with heat and contract with cold, the pipeline telescopic compensator just can be by longitudinal stretching or compression, guaranteed that pipeline is not damaged, these pipeline telescopic compensators are made up of the bellows and the inner honeycomb duct of an outside usually, outside bellows two ends are provided with flange, be used for being connected with pipeline, because but bellows longitudinal stretching or compression make the pipeline telescopic compensator have pipeline flexible compensation function.Though these pipeline telescopic compensators can compensate the flexible of pipeline, its telescopicing performance is not good especially, and some telescopicing performances the structure of compensator is complicated preferably, cost is higher.
(3), summary of the invention:
The technical problem to be solved in the present invention is: at the prior art deficiency, provide a kind of simple in structure, pipeline telescopic compensator that the flexible compensation amount is big.
Technological scheme of the present invention:
A kind of pipeline telescopic compensator, contain outward corrugated tube and interior honeycomb duct, interior honeycomb duct is located at the bosom of outward corrugated tube, between the outer surface of interior honeycomb duct and the internal surface of outward corrugated tube certain clearance is arranged, the length of interior honeycomb duct is less than the length of outward corrugated tube, interior honeycomb duct can vertically move in outward corrugated tube, and the two ends of outward corrugated tube are two sections light pipes, and the summit diameter of outward corrugated tube and the ratio of peak valley diameter are: 1.5～8.
Be welded with at least one limited ring respectively at the two ends of the outer surface of interior honeycomb duct and around interior honeycomb duct, when interior honeycomb duct vertically moves in outward corrugated tube, limited ring is positioned at two sections light pipe places all the time, the width in the gap in the thickness of limited ring equals between honeycomb duct and the light pipe.
The cross section of described limited ring is semicircle, and the material of limited ring is a steel, or is alloyed steel.
The cross section of the ripple on the outward corrugated tube is a U-shaped.
The quantity of the ripple on the outward corrugated tube is 1～10.
The material of outward corrugated tube and interior honeycomb duct is a steel, or is alloyed steel.
The summit diameter of outward corrugated tube and the ratio of peak valley diameter are: 3～4.
Stifled ring in the two ends inwall of outward corrugated tube is provided with.
The two ends of outward corrugated tube are provided with flange.
The material of flange is a Fine Steel Casting iron.
Summit diameter a and the parameter of peak valley diameter b and their ratio thereof of outward corrugated tube when below enumerating some actual uses:
A=208, during b=52, a/b=4;
A=257, during b=63, a/b=4.08;
A=305, during b=78, a/b=3.9;
A=305, during b=92, a/b=3.3;
A=355, during b=114, a/b=3.11;
A=355, during b=145, a/b=2.4;
A=405, during b=170, a/b=2.4;
A=458, during b=210, a/b=2.2;
A=458, during b=260, a/b=1.76.
Beneficial effect of the present invention:
1. the present invention is welded with at least one limited ring respectively at the two ends of the outer surface of interior honeycomb duct and around interior honeycomb duct, and honeycomb duct overlaps all the time with the central shaft of outward corrugated tube in can guaranteeing like this, helps flowing of pipeline inner fluid.
2. there is suitable ratio between the summit diameter of outward corrugated tube of the present invention and the peak valley diameter, the telescopicing performance of outward corrugated tube is strengthened.
3. the present invention is simple in structure, volume is little, fabricating cost low (can adopt steel plate and steel pipe to be welded), life-span long, easy for installation, can be widely used in the installing engineering of aerial pipeline, ground-based duct, directly buried pipeline.
(4), description of drawings:
Fig. 1 is the structural representation of pipeline telescopic compensator;
Fig. 2 is the plan structure schematic representation of Fig. 1;
Fig. 3 is one of A-A sectional structure schematic representation among Fig. 2;
Fig. 4 be among Fig. 2 A-A sectional structure schematic representation two;
Fig. 5 is one of vertical sectional structure schematic representation of pipeline telescopic compensator;
Fig. 6 be the pipeline telescopic compensator vertical sectional structure schematic representation two.
(5), embodiment:
Embodiment one: referring to Fig. 1～Fig. 3, among the figure, the pipeline telescopic compensator contains outward corrugated tube 3 and interior honeycomb duct 2, interior honeycomb duct 2 is located at the bosom of outward corrugated tube 3, between the internal surface of the outer surface of interior honeycomb duct 2 and outward corrugated tube 3 certain clearance is arranged, the length of interior honeycomb duct 2 is less than the length of outward corrugated tube 3, interior honeycomb duct 2 can vertically move in outward corrugated tube 3, the two ends of outward corrugated tube 3 are two sections light pipes 1, be welded with a limited ring 6 respectively at the two ends of the outer surface of interior honeycomb duct 2 and around interior honeycomb duct, when interior honeycomb duct 2 vertically moves in outward corrugated tube 3, limited ring 6 is positioned at two sections light pipe 1 places all the time, the width in the gap in the thickness of limited ring 6 equals between honeycomb duct 2 and the light pipe 1, the summit diameter a of outward corrugated tube 3 and the ratio of peak valley diameter b are: 3.11.
The cross section of the ripple on the outward corrugated tube 3 is a U-shaped.
The cross section of limited ring 6 is semicircle.
The quantity of the ripple on the outward corrugated tube 3 is 3.
The material of outward corrugated tube 3, interior honeycomb duct 2 and limited ring 6 is a steel.
The two ends of outward corrugated tube 3 are provided with flange 4, and flange 4 is provided with bolt hole 5, and the material of flange 4 is excellent
Matter carbon steel.During actual the use, this pipeline telescopic compensator is connected with other pipelines by flange 4.
When reality is made this pipeline telescopic compensator, interior honeycomb duct 2 can adopt steel pipe manufacturing, ripple on the outward corrugated tube 3 can adopt two open circles annular steel plate (optional 1.5mm of thickness of slab～5mm) make, respectively with the periphery of two open circles annular steel plates flange relatively, again two flange are welded together and get final product, then, adopt steel pipe that a plurality of ripples are coupled together and just be made into outward corrugated tube 3.
Embodiment two: referring to Fig. 1～Fig. 2, Fig. 4, numbering is identical with embodiment one among the figure, the meaning of representative is identical, its working procedure is also basic identical, something in common does not repeat, difference is: be welded with two limited rings 6 respectively at the two ends of the outer surface of interior honeycomb duct 2 and around interior honeycomb duct, when interior honeycomb duct 2 vertically moved in outward corrugated tube 3, two limited rings 6 were positioned at two sections light pipe 1 places all the time.
Embodiment three: referring to Fig. 5, among the figure, the pipeline telescopic compensator contains outward corrugated tube 3 and interior honeycomb duct 2, interior honeycomb duct 2 is located at the bosom of outward corrugated tube 3, between the internal surface of the outer surface of interior honeycomb duct 2 and outward corrugated tube 3 certain clearance is arranged, the length of interior honeycomb duct 2 is less than the length of outward corrugated tube 3, and interior honeycomb duct 2 can vertically move in outward corrugated tube 3, the two ends of outward corrugated tube 3 are two sections light pipes 1, and the summit diameter a of outward corrugated tube 3 and the ratio of peak valley diameter b are: 3.11.
The cross section of the ripple on the outward corrugated tube 3 is a U-shaped.
The quantity of the ripple on the outward corrugated tube 3 is 3.
The material of outward corrugated tube 3 and interior honeycomb duct 2 is a steel.
Stifled ring 7 in the two ends inwall of outward corrugated tube 3 is provided with.
During actual the use, the two ends of this pipeline telescopic compensator are connected with other pipelines by the mode of welding.
Embodiment four: referring to Fig. 6, numbering is identical with embodiment three among the figure, the meaning of representative is identical, its working procedure is also basic identical, something in common does not repeat, and difference is: be welded with a limited ring 6 respectively at the two ends of the outer surface of interior honeycomb duct 2 and around interior honeycomb duct 2, when interior honeycomb duct 2 vertically moves in outward corrugated tube 3, limited ring 6 is positioned at two sections light pipe 1 places all the time, the width in the gap in the thickness of limited ring 6 equals between honeycomb duct 2 and the light pipe 1.
The cross section of limited ring 6 is semicircle, and the material of limited ring 6 is a steel.
Claims (10)
1. pipeline telescopic compensator, contain outward corrugated tube and interior honeycomb duct, interior honeycomb duct is located at the bosom of outward corrugated tube, between the outer surface of interior honeycomb duct and the internal surface of outward corrugated tube certain clearance is arranged, the length of interior honeycomb duct is less than the length of outward corrugated tube, interior honeycomb duct can vertically move in outward corrugated tube, and the two ends of outward corrugated tube are two sections light pipes, it is characterized in that: the summit diameter of outward corrugated tube and the ratio of peak valley diameter are: 1.5～8.
2. pipeline telescopic compensator according to claim 1, it is characterized in that: the two ends of the outer surface of honeycomb duct and be welded with at least one limited ring respectively in described around interior honeycomb duct, when interior honeycomb duct vertically moves in outward corrugated tube, limited ring is positioned at two sections light pipe places all the time, the width in the gap in the thickness of limited ring equals between honeycomb duct and the light pipe.
3. pipeline telescopic compensator according to claim 2 is characterized in that: the cross section of described limited ring is for semicircle, and the material of limited ring is a steel, or is alloyed steel.
4. pipeline telescopic compensator according to claim 1 is characterized in that: the cross section of the ripple on the described outward corrugated tube is a U-shaped.
5. pipeline telescopic compensator according to claim 1 is characterized in that: the quantity of the ripple on the described outward corrugated tube is 1～10.
6. pipeline telescopic compensator according to claim 1 is characterized in that: the material of described outward corrugated tube and interior honeycomb duct is a steel, or is alloyed steel.
7. pipeline telescopic compensator according to claim 1 is characterized in that: the summit diameter of described outward corrugated tube and the ratio of peak valley diameter are: 3～4.
8. pipeline telescopic compensator according to claim 1 is characterized in that: stifled ring in the two ends inwall of described outward corrugated tube is provided with.
9. pipeline telescopic compensator according to claim 1 is characterized in that: the two ends of described outward corrugated tube are provided with flange.
10. pipeline telescopic compensator according to claim 9 is characterized in that: the material of described flange is a carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110055098 CN102109079A (en) | 2011-03-09 | 2011-03-09 | Pipeline expansion compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110055098 CN102109079A (en) | 2011-03-09 | 2011-03-09 | Pipeline expansion compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102109079A true CN102109079A (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110055098 Pending CN102109079A (en) | 2011-03-09 | 2011-03-09 | Pipeline expansion compensator |
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| Country | Link |
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| CN (1) | CN102109079A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289210A (en) * | 2017-07-26 | 2017-10-24 | 杭萧钢构股份有限公司 | A kind of Underground Steel pipe gallery of ring flange connection |
| CN110953430A (en) * | 2019-12-11 | 2020-04-03 | 滕州市华正软接头有限公司 | Wear-resistant pipeline compensator for electric power |
| CN111536356A (en) * | 2020-04-28 | 2020-08-14 | 江苏赛尔超高压特种管业有限公司 | Novel glass fiber reinforced thermoplastic plastic pipe and production process thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0062829A2 (en) * | 1981-04-10 | 1982-10-20 | INTERATOM Gesellschaft mit beschränkter Haftung | Multiple-layer compensator with distance supports placed between the layers |
| CN1085640A (en) * | 1992-10-10 | 1994-04-20 | 宋关根 | Do not leak the pipeline compensator of dust |
| CN2208154Y (en) * | 1995-01-26 | 1995-09-20 | 柳宗信 | Pipe expander |
| CN2265468Y (en) * | 1996-11-18 | 1997-10-22 | 林德恩 | Large wave-shape expansion compensator |
| JPH11336986A (en) * | 1998-05-28 | 1999-12-07 | Ishikawajima Harima Heavy Ind Co Ltd | Structure of low temperature liquid transfer piping |
| CN2465027Y (en) * | 2001-02-22 | 2001-12-12 | 申恩惠 | Improved corrugated pipe compensator |
| CN2624018Y (en) * | 2003-02-25 | 2004-07-07 | 江阴职业技术学院 | Multifunctional resilient pipe joint |
| CN201925660U (en) * | 2011-03-09 | 2011-08-10 | 巩义市怡通给排水材料有限公司 | Pipeline expansion and retraction compensator |
-
2011
- 2011-03-09 CN CN 201110055098 patent/CN102109079A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0062829A2 (en) * | 1981-04-10 | 1982-10-20 | INTERATOM Gesellschaft mit beschränkter Haftung | Multiple-layer compensator with distance supports placed between the layers |
| CN1085640A (en) * | 1992-10-10 | 1994-04-20 | 宋关根 | Do not leak the pipeline compensator of dust |
| CN2208154Y (en) * | 1995-01-26 | 1995-09-20 | 柳宗信 | Pipe expander |
| CN2265468Y (en) * | 1996-11-18 | 1997-10-22 | 林德恩 | Large wave-shape expansion compensator |
| JPH11336986A (en) * | 1998-05-28 | 1999-12-07 | Ishikawajima Harima Heavy Ind Co Ltd | Structure of low temperature liquid transfer piping |
| CN2465027Y (en) * | 2001-02-22 | 2001-12-12 | 申恩惠 | Improved corrugated pipe compensator |
| CN2624018Y (en) * | 2003-02-25 | 2004-07-07 | 江阴职业技术学院 | Multifunctional resilient pipe joint |
| CN201925660U (en) * | 2011-03-09 | 2011-08-10 | 巩义市怡通给排水材料有限公司 | Pipeline expansion and retraction compensator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289210A (en) * | 2017-07-26 | 2017-10-24 | 杭萧钢构股份有限公司 | A kind of Underground Steel pipe gallery of ring flange connection |
| CN110953430A (en) * | 2019-12-11 | 2020-04-03 | 滕州市华正软接头有限公司 | Wear-resistant pipeline compensator for electric power |
| CN111536356A (en) * | 2020-04-28 | 2020-08-14 | 江苏赛尔超高压特种管业有限公司 | Novel glass fiber reinforced thermoplastic plastic pipe and production process thereof |
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Application publication date: 20110629 |