CN105065806A - Double-channel metal corrugated pipe and manufacturing method thereof - Google Patents
Double-channel metal corrugated pipe and manufacturing method thereof Download PDFInfo
- Publication number
- CN105065806A CN105065806A CN201510596746.8A CN201510596746A CN105065806A CN 105065806 A CN105065806 A CN 105065806A CN 201510596746 A CN201510596746 A CN 201510596746A CN 105065806 A CN105065806 A CN 105065806A
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- Prior art keywords
- bellows
- pipe
- stainless steel
- externally connected
- inner connecting
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- 239000002184 metal Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 49
- 239000010935 stainless steel Substances 0.000 claims abstract description 47
- 238000003466 welding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
- F16L11/15—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics corrugated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/22—Multi-channel hoses
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Diaphragms And Bellows (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to a double-channel metal corrugated pipe and a manufacturing method thereof. The double-channel metal corrugated pipe comprises an inner corrugated pipe layer, an outer corrugated pipe layer, an inner connecting pipe, an outer connecting pipe, stainless steel net covers, a lantern ring, a heat-conducting oil inlet pipe, a heat-conducting oil outlet pipe, connectors and a stainless steel ring, wherein the inner corrugated pipe layer is arranged in the outer corrugated pipe layer; the stainless steel net covers are arranged outside the inner corrugated pipe layer and the outer corrugated pipe layer; two ends of the inner corrugated pipe layer are connected with the inner connecting pipe; the outer ends of the inner connecting pipe are respectively welded together with the connectors; two ends of the outer corrugated pipe are connected with the outer connecting pipe; an outer end opening of the outer connecting pipe is welded on the outer wall of the inner connecting pipe through the stainless steel ring; a round hole is respectively formed in the same side of each of two ends of the outer connecting pipe; the heat-conducting oil inlet pipe and the heat-conducting oil outlet pipe are respectively welded at the round holes; the tail ends of the heat-conducting oil inlet pipe and the heat-conducting oil outlet pipe are welded together with the connectors respectively.
Description
technical field:
The present invention relates to a kind of binary channel metal bellows and manufacture method thereof, belong to metallic hose technical field.
background technique:
Metallic hose is connector element important in engineering, is combined into by corrugated flexible hoses, net and joint.As compensating element, seal element, connecting element and damper element in various gas transmission, liquid transport pipeline system and length, temperature, position and angle compensation system, be applied to each fields such as Aero-Space, petrochemical industry, mine electronics, mechanical shipbuilding, health care, light textile electronics, energy building.Corrugated flexible metal tube (abbreviation bellows) is the flexible pipe of a kind of high-quality in modern industry pipeline.It forms primarily of bellows, net and joint.Its interior pipe is the thin-wall stainless steel bellows with spirality or annular waveform, the outer field net of bellows, is to be formed by the braiding of certain parameter by Stainless Steel Wire or steel band.The connecting head at flexible pipe two ends is that match with the joint of client's pipeline or flange two buckle metallic hose.China is production and the big export country of metallic hose, and wherein, in the metallic hose of global marketing, the overwhelming majority is produced from China and exported, and China has become main metallic hose supplier of the world.Although China's metallic hose industry size is comparatively large, due to factors such as capacity for technological innovation are on the weak side, market structure is too single, brand influence is more weak, many metallic hose manufacturing enterprises often lack core competitiveness, are difficult to run business big and strong.
summary of the invention:
The object of this invention is to provide a kind of good airproof performance, high pressure resistant, corrosion-resistant, there is the binary channel metal bellows of binary channel performance.
For achieving the above object, the technical solution used in the present invention is:
A kind of binary channel metal bellows, comprise internal layer bellows, outer bellows, inner connecting tube, externally connected pipe, stainless steel net, the collar, heat conductive oil inlet pipe, conduction oil outer pipe, connecting head, stainless steel annulus, internal layer bellows is arranged on the inside of outer bellows, is provided with stainless steel net in the outside of outer bellows.Be connected with inner connecting tube at the two ends of internal layer bellows, respectively weld a connecting head in the outer end of inner connecting tube, be connected with externally connected pipe at the two ends of outer bellows, the external port of externally connected pipe is welded on the outer wall of inner connecting tube by stainless steel annulus.Respectively be provided with a circular hole in the same side at externally connected pipe two ends, weld a heat conductive oil inlet pipe and a conduction oil outer pipe at circular hole place respectively, weld a connecting head respectively at the end of heat conductive oil inlet pipe and conduction oil outer pipe.
Internal layer bellows 5-8mm is stretched in one end of described inner connecting tube, the port of internal layer bellows and the outer wall seal welding of inner connecting tube.
Described stainless steel net and the collar, externally connected pipe are integrally welded.
Be provided with holding cavity between the stainless steel annulus of described internal layer bellows, inner connecting tube, externally connected pipe, outer bellows and rear and front end, holding cavity is connected with heat conductive oil inlet pipe, conduction oil outer pipe, in order to the conduction oil that circulates.
Outer bellows 5-8mm is stretched in one end of described externally connected pipe, and the port of outer bellows and the outer wall seal welding of externally connected pipe, the external port of externally connected pipe is welded on the outer wall of inner connecting tube by stainless steel annulus.
Described connecting head is one or more in nut, flange or outside thread.
Another object of the present invention is to provide a kind of making method of binary channel metal bellows, and its concrete steps are as follows:
A. one end of two long for 20-30mm inner connecting tubes is stretched into internal layer bellows 5-8mm respectively, the port of internal layer bellows and the outer wall of inner connecting tube carry out seal welding, wrap up one deck stainless steel net at the outer surface of internal layer bellows.
B. outer bellows 5-8mm is stretched into respectively in one end of two long for 15-20mm externally connected pipe from two ends, after the port of outer bellows and the outer wall of externally connected pipe carry out seal welding, wrap up one deck stainless steel net at the outer surface of outer bellows.
C. internal layer bellows is inserted into outer bellows interior, is welded on the outer wall of inner connecting tube by stainless steel annulus in the outer end of externally connected pipe.
D. be respectively provided with a circular hole in the same side of two externally connected pipe, weld a heat conductive oil inlet pipe and a conduction oil outer pipe at circular hole place respectively, weld a connecting head respectively at the end of heat conductive oil inlet pipe and conduction oil outer pipe.
E. a connecting head is respectively welded in the outer end of two inner connecting tubes.
The invention has the beneficial effects as follows, structure is simple, and easy to manufacture, good airproof performance, high pressure resistant, corrosion-resistant, long service life, has binary channel performance.In holding cavity, add high temperature heat conductive oil, more effectively ensure that the thawing flowing of endoporus medium, provide condition for equipment runs.
accompanying drawing illustrates:
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of further embodiment of this invention.
In figure: 1 internal layer bellows, 2 outer bellowss, 3 inner connecting tubes, 4 externally connected pipe, 5 heat conductive oil inlet pipes, 6 conduction oil outer pipes, 7 stainless steel nets, 8 flanges, 9 collars, 10 stainless steel annulus, 11 nuts, 12 holding cavities.
embodiment:
Embodiment 1
As shown in Figure 1, a kind of binary channel metal bellows, comprise internal layer bellows (1), outer bellows (2), inner connecting tube (3), externally connected pipe (4), heat conductive oil inlet pipe (5), conduction oil outer pipe (6), stainless steel net (7), the collar (9), connecting head (8,11), stainless steel annulus (10), internal layer bellows (1) is arranged on the inside of outer bellows (2), is provided with stainless steel net (7) in the outside of outer bellows (2).Inner connecting tube (3) is connected with at the two ends of internal layer bellows (1), a connecting head (8,11) is respectively welded in the outer end of inner connecting tube (3), be connected with externally connected pipe (4) at the two ends of outer bellows (2), the external port of externally connected pipe (4) is welded on the outer wall of inner connecting tube (3) by stainless steel annulus (10).A circular hole is respectively provided with in the same side at externally connected pipe (4) two ends, weld a heat conductive oil inlet pipe (5) and a conduction oil outer pipe (6) at circular hole place respectively, weld a connecting head (8,11) respectively at the end of heat conductive oil inlet pipe (5) and conduction oil outer pipe (6).
Internal layer bellows (1) 5-8mm is stretched in one end of inner connecting tube (3), the port of internal layer bellows (1) and the outer wall seal welding of inner connecting tube (3).Stainless steel net (7) and the collar (9), externally connected pipe (4) are integrally welded.Holding cavity (12) is provided with between the stainless steel annulus (10) of internal layer bellows (1), inner connecting tube (3), externally connected pipe (4), outer bellows (2) and rear and front end, holding cavity (12) is connected, in order to the conduction oil that circulates with heat conductive oil inlet pipe (5), conduction oil outer pipe (6).Outer bellows (2) 5-8mm is stretched in one end of externally connected pipe (4), the port of outer bellows (2) and the outer wall seal welding of externally connected pipe (4), and the external port of externally connected pipe (4) is welded on the outer wall of inner connecting tube (3) by stainless steel annulus (10).Connecting head (8,11) comprises two nuts (11) and two flanges (8), and nut (11) is welded on the collar extension of heat conductive oil inlet pipe (5) and conduction oil outer pipe (6), and flange (8) is welded on the outer end of two inner connecting tubes (3).
Another object of the present invention is to provide a kind of making method of binary channel metal bellows, and its concrete steps are as follows:
A. one end of two long for 20mm inner connecting tubes (3) is stretched into internal layer bellows (1) 5-8mm respectively, the port of internal layer bellows (1) and the outer wall of inner connecting tube (3) carry out seal welding, wrap up one deck stainless steel net (7) at the outer surface of internal layer bellows (1).
B. outer bellows (2) 5-8mm is stretched into respectively in one end of two long for 15mm externally connected pipe (4) from two ends, after the outer port of bellows (2) and the outer wall of externally connected pipe (4) carry out seal welding, wrap up one deck stainless steel net (7) at the outer surface of outer bellows (2).
C. internal layer bellows (1) is inserted into outer bellows (2) inner, is welded on the outer wall of inner connecting tube (3) by stainless steel annulus (10) in the outer end of externally connected pipe (4).
D. a circular hole is respectively provided with in the same side of two externally connected pipe (4), weld a heat conductive oil inlet pipe (5) and a conduction oil outer pipe (6) at circular hole place respectively, weld a nut (11) respectively at the end of heat conductive oil inlet pipe (5) and conduction oil outer pipe (6).
E. a flange (8) is respectively welded in the outer end of two inner connecting tubes (3).
Embodiment 2
As shown in Figure 2, a kind of binary channel metal bellows, comprise internal layer bellows (1), outer bellows (2), inner connecting tube (3), externally connected pipe (4), stainless steel net (7), the collar (9), heat conductive oil inlet pipe (5), conduction oil outer pipe (6), connecting head (8,11), stainless steel annulus (10), internal layer bellows (1) is arranged on the inside of outer bellows (2), is provided with stainless steel net (7) in the outside of outer bellows (2).Inner connecting tube (3) is connected with at the two ends of internal layer bellows (1), a connecting head (8,11) is respectively welded in the outer end of inner connecting tube (3), be connected with externally connected pipe (4) at the two ends of outer bellows (2), the external port of externally connected pipe (4) is welded on the outer wall of inner connecting tube (3) by stainless steel annulus (10).A circular hole is respectively provided with in the same side at externally connected pipe (4) two ends, weld a heat conductive oil inlet pipe (5) and a conduction oil outer pipe (6) at circular hole place respectively, weld a connecting head (8,11) respectively at the end of heat conductive oil inlet pipe (5) and conduction oil outer pipe (6).
Internal layer bellows (1) 5-8mm is stretched in one end of inner connecting tube (3), the port of internal layer bellows (1) and the outer wall seal welding of inner connecting tube (3).Stainless steel net (7) and the collar (9), externally connected pipe (4) are integrally welded.Holding cavity (12) is provided with between the stainless steel annulus (10) of internal layer bellows (1), inner connecting tube (3), externally connected pipe (4), outer bellows (2) and rear and front end, holding cavity (12) is connected, in order to the conduction oil that circulates with heat conductive oil inlet pipe (5), conduction oil outer pipe (6).Outer bellows (2) 5-8mm is stretched in one end of externally connected pipe (4), the port of outer bellows (2) and the outer wall seal welding of externally connected pipe (4), and the external port of externally connected pipe (4) is welded on the outer wall of inner connecting tube (3) by stainless steel annulus (10).Connecting head (8,11) is four six rib nuts (11), is welded on respectively on the outer end of heat conductive oil inlet pipe (5), conduction oil outer pipe (6) and two inner connecting tubes (3).
Another object of the present invention is to provide a kind of making method of binary channel metal bellows, and its concrete steps are as follows:
A. one end of two long for 30mm inner connecting tubes (3) is stretched into internal layer bellows (1) 5-8mm respectively, the port of internal layer bellows (1) and the outer wall of inner connecting tube (3) carry out seal welding, wrap up one deck stainless steel net (7) at the outer surface of internal layer bellows (1).
B. outer bellows (2) 5-8mm is stretched into respectively in one end of two long for 20mm externally connected pipe (4) from two ends, after the outer port of bellows (2) and the outer wall of externally connected pipe (4) carry out seal welding, wrap up one deck stainless steel net (7) at the outer surface of outer bellows (2).
C. internal layer bellows (1) is inserted into outer bellows (2) inner, is welded on the outer wall of inner connecting tube (3) by stainless steel annulus (10) in the outer end of externally connected pipe (4).
D. a circular hole is respectively provided with in the same side of two externally connected pipe (4), weld a heat conductive oil inlet pipe (5) and a conduction oil outer pipe (6) at circular hole place respectively, weld a nut (11) respectively at the end of heat conductive oil inlet pipe (5) and conduction oil outer pipe (6).
E. a nut (11) is respectively welded in the outer end of two inner connecting tubes (3).
Claims (6)
1. a binary channel metal bellows, it is characterized in that: comprise internal layer bellows, outer bellows, inner connecting tube, externally connected pipe, stainless steel net, the collar, heat conductive oil inlet pipe, conduction oil outer pipe, connecting head, stainless steel annulus, internal layer bellows is arranged on the inside of outer bellows, is provided with stainless steel net in the outside of outer bellows; Be connected with inner connecting tube at the two ends of internal layer bellows, respectively weld a connecting head in the outer end of inner connecting tube, be connected with externally connected pipe at the two ends of outer bellows, the external port of externally connected pipe is welded on the outer wall of inner connecting tube by stainless steel annulus; Respectively be provided with a circular hole in the same side at externally connected pipe two ends, weld a heat conductive oil inlet pipe and a conduction oil outer pipe at circular hole place respectively, weld a connecting head respectively at the end of heat conductive oil inlet pipe and conduction oil outer pipe.
2. binary channel metal bellows according to claim 1, is characterized in that: internal layer bellows 5-8mm is stretched in one end of described inner connecting tube, the port of internal layer bellows and the outer wall seal welding of inner connecting tube.
3. binary channel metal bellows according to claim 1, is characterized in that: described stainless steel net and the collar, externally connected pipe are integrally welded.
4. binary channel metal bellows according to claim 1, is characterized in that: be provided with holding cavity between the stainless steel annulus of described internal layer bellows, inner connecting tube, externally connected pipe, outer bellows and rear and front end.
5. binary channel metal bellows according to claim 1, it is characterized in that: outer bellows 5-8mm is stretched in one end of described externally connected pipe, the outer port of bellows and the outer wall seal welding of externally connected pipe, the external port of externally connected pipe is welded on the outer wall of inner connecting tube by stainless steel annulus.
6. a making method for binary channel metal bellows, is characterized in that: its step comprises:
A. one end of two long for 20-30mm inner connecting tubes is stretched into internal layer bellows 5-8mm respectively, the port of internal layer bellows and the outer wall of inner connecting tube carry out seal welding, wrap up one deck stainless steel net at the outer surface of internal layer bellows;
B. outer bellows 5-8mm is stretched into respectively in one end of two long for 15-20mm externally connected pipe from two ends, after the port of outer bellows and the outer wall of externally connected pipe carry out seal welding, wrap up one deck stainless steel net at the outer surface of outer bellows;
C. internal layer bellows is inserted into outer bellows interior, is welded on the outer wall of inner connecting tube in the outer end of externally connected pipe by stainless steel annulus;
D. be respectively provided with a circular hole in the same side of two externally connected pipe, weld a heat conductive oil inlet pipe and a conduction oil outer pipe at circular hole place respectively, weld a connecting head respectively at the end of heat conductive oil inlet pipe and conduction oil outer pipe;
E. a connecting head is respectively welded in the outer end of two inner connecting tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510596746.8A CN105065806A (en) | 2015-09-18 | 2015-09-18 | Double-channel metal corrugated pipe and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510596746.8A CN105065806A (en) | 2015-09-18 | 2015-09-18 | Double-channel metal corrugated pipe and manufacturing method thereof |
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| CN105065806A true CN105065806A (en) | 2015-11-18 |
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| CN201510596746.8A Pending CN105065806A (en) | 2015-09-18 | 2015-09-18 | Double-channel metal corrugated pipe and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523812A (en) * | 2016-10-28 | 2017-03-22 | 无锡市永兴金属软管有限公司 | High-pressure metal hose and preparation method thereof |
| CN106545708A (en) * | 2016-10-28 | 2017-03-29 | 无锡市永兴金属软管有限公司 | A kind of oil storage tank Antishocking metal hose and preparation method thereof |
| CN109915677A (en) * | 2019-03-06 | 2019-06-21 | 中广核研究院有限公司 | A kind of steam generator and dual channel structure with corrugated pipe connection structure |
| CN112066129A (en) * | 2020-09-09 | 2020-12-11 | 赵晓静 | Replaceable metal hose |
| CN113513649A (en) * | 2021-05-14 | 2021-10-19 | 深圳大学 | A liquid lead-bismuth alloy transportation pipeline thermal stress relief device |
| US11486519B2 (en) | 2016-04-28 | 2022-11-01 | Rolls-Royce Plc | Flexible hose |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201810944U (en) * | 2010-08-05 | 2011-04-27 | 江苏鑫晟波纹管有限公司 | Jacket insulation metal hose |
| CN103836276A (en) * | 2014-03-21 | 2014-06-04 | 江苏鑫晟波纹管有限公司 | Shock-absorbing flexible metal pipe |
| CN203979747U (en) * | 2014-04-17 | 2014-12-03 | 浙江良信防腐设备有限公司 | A kind of novel pipeline compensator |
| CN204962085U (en) * | 2015-09-18 | 2016-01-13 | 滕州市瀚立波纹管有限责任公司 | Two pass corrugated metal pipe |
-
2015
- 2015-09-18 CN CN201510596746.8A patent/CN105065806A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201810944U (en) * | 2010-08-05 | 2011-04-27 | 江苏鑫晟波纹管有限公司 | Jacket insulation metal hose |
| CN103836276A (en) * | 2014-03-21 | 2014-06-04 | 江苏鑫晟波纹管有限公司 | Shock-absorbing flexible metal pipe |
| CN203979747U (en) * | 2014-04-17 | 2014-12-03 | 浙江良信防腐设备有限公司 | A kind of novel pipeline compensator |
| CN204962085U (en) * | 2015-09-18 | 2016-01-13 | 滕州市瀚立波纹管有限责任公司 | Two pass corrugated metal pipe |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11486519B2 (en) | 2016-04-28 | 2022-11-01 | Rolls-Royce Plc | Flexible hose |
| CN106523812A (en) * | 2016-10-28 | 2017-03-22 | 无锡市永兴金属软管有限公司 | High-pressure metal hose and preparation method thereof |
| CN106545708A (en) * | 2016-10-28 | 2017-03-29 | 无锡市永兴金属软管有限公司 | A kind of oil storage tank Antishocking metal hose and preparation method thereof |
| CN106523812B (en) * | 2016-10-28 | 2018-11-20 | 江苏亚星波纹管有限公司 | A kind of high pressure metal hose and preparation method thereof |
| CN109915677A (en) * | 2019-03-06 | 2019-06-21 | 中广核研究院有限公司 | A kind of steam generator and dual channel structure with corrugated pipe connection structure |
| CN109915677B (en) * | 2019-03-06 | 2024-08-09 | 中广核研究院有限公司 | A steam generator with a bellows connection structure and a double flow channel structure |
| CN112066129A (en) * | 2020-09-09 | 2020-12-11 | 赵晓静 | Replaceable metal hose |
| CN113513649A (en) * | 2021-05-14 | 2021-10-19 | 深圳大学 | A liquid lead-bismuth alloy transportation pipeline thermal stress relief device |
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Application publication date: 20151118 |