CN102359693A - Long-life external pressure axial compensator - Google Patents
Long-life external pressure axial compensator Download PDFInfo
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- CN102359693A CN102359693A CN201110342821XA CN201110342821A CN102359693A CN 102359693 A CN102359693 A CN 102359693A CN 201110342821X A CN201110342821X A CN 201110342821XA CN 201110342821 A CN201110342821 A CN 201110342821A CN 102359693 A CN102359693 A CN 102359693A
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- external pressure
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Abstract
The invention relates to a long-life external pressure axial compensator, which is characterized by comprising a left connecting pipe and a right connecting pipe, wherein a first corrugated pipe group and a second corrugated pipe group are sleeved outside the right connecting pipe and are connected together through an intermediate pipe; the left end of the first corrugated pipe group is connected with the left end part of the right connecting pipe through an end pipe and an annular plate; the right end of the second corrugated pipe group is connected with the right end part of the right connecting pipe through a backing ring; and an outer barrel is sleeved outside the first corrugated pipe group. A corrugated pipe group which bears external pressure and a corrugated pipe group which does not bear internal and external pressure are connected to bear displacement of a pipeline during expansion and contraction jointly, the corrugated pipe group which does not bear the internal and external pressure has longer service life, and the whole service life of the compensator is prolonged; in addition, a pressure meter arranged between the two corrugated pipe groups can discover whether the compensator is damaged or not and prepare for replacement timely, so that the heat loss of a thermal pipeline is reduced.
Description
Technical field
The present invention relates to a kind of compensator, especially relate to a kind of long-life type external pressure nose balance device.
Background technique
Compensate the displacement that pipeline expands with heat and contract with cold by the nose balance device during heat distribution pipeline work; The nose balance device that is used for the special occasions of the medium concealed location of underground pipe; No matter the working life of bearing external pressure or bearing interior nose balance device of pressing is shorter; And the compensator that is used for underground pipe is after long-time the use, after compensator damages difficulty search, thereby cause the heat-energy losses of heat distribution pipeline.
Summary of the invention
The applicant has carried out research and has improved to above-mentioned problem, and a kind of long-life type external pressure nose balance device is provided, and prolongs the working life of compensator, reduces the heat-energy losses of heat distribution pipeline.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of long-life type external pressure nose balance device comprises that a left side is taken over and right the adapter, and the left end that the said right side is taken over connects guide shell, and insert in the adapter of a said left side front portion of said guide shell; The first bellows group and the second bellows group are sleeved on outside said right the adapter; Said first bellows group and the said second bellows group link together through intervalve; The left end of the said first bellows group connects the said right left part of taking over through end pipe and ring flat-plate, and the right-hand member of the said second bellows group connects the said right right part of taking over through gasket ring; Urceolus is sleeved on outside the said first bellows group, and the left end of said urceolus connects a said left side through urceolus left side ring flat-plate to be taken over, and the right-hand member of said urceolus connects said intervalve through the right ring flat-plate of urceolus.
Further:
Be connected with pressure gauge on the said intervalve.
Said first bellows group and the said second bellows group are provided with at least two sections bellowss respectively, connect through connecting leg between said bellows.
Said connecting leg inboard is provided with guide pad.
The said right right part of taking over is provided with ring flat-plate, and said urceolus is provided with lug, is fixedly connected with at least four protection pull bars between said ring flat-plate and the said lug, and said protection pull bar radial symmetric is arranged.
Technique effect of the present invention is:
A kind of long-life type external pressure nose balance device disclosed by the invention; Displacement when external pressure bellows group connects and composes and bears jointly pipeline and expands with heat and contract with cold in not born by one group of bellows group of bearing external pressure and one group; The bellows group of external pressure does not have longer working life in not bearing, and prolongs the whole service life of compensator; In addition, press the pressure gauge that is provided with between the bellows group, can find in time whether compensator damages and in time perform the preparation of replacing, reduces the heat-energy losses of heat distribution pipeline for two groups.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
As shown in Figure 1, the present invention includes left adapter 1 and right adapter 9,9 coaxial settings are taken on the left side adapter 1 and the right side, and 9 left end connection guide shell 3 is taken on the right side, in the front portion insertion left side adapter 1 of guide shell 3.The first bellows group 100 and the second bellows group 200 are sleeved on right the adapter outside 9; The first bellows group 100 and the second bellows group 200 weld together through intervalve 11, and the left end of the first bellows group 100 is welded to connect right 9 the left part of taking over through end pipe 6 and ring flat-plate 5, and the right-hand member of the second bellows group 200 is welded to connect right 9 the right part of taking over through gasket ring 13; The common first bellows group 100 and the second bellows group 200 are respectively equipped with at least two sections bellowss 7; Be welded to connect through connecting leg 8 between the bellows 7, in the present embodiment, the first bellows group 100 and the second bellows group 200 are respectively equipped with 3 sections bellowss 7; 3 sections bellowss 7 are welded to connect through 2 connecting legs 8; And connecting leg 8 inboards are provided with guide pad 10, and when big displacement took place compensator, guide pad 10 can prevent the bellows unstability.Urceolus 4 is sleeved on outside the first bellows group 100; The left end of urceolus 4 is welded to connect a left side through urceolus left side ring flat-plate 2 and takes over 1; The right-hand member of urceolus 4 is welded to connect intervalve 11 through the right ring flat-plate 12 of urceolus, is connected with tubule 15 on the intervalve 11, and pressure gauge 14 is installed on the tubule 15; Whether the bellows that pressure gauge 14 can detect the first bellows group 100 damages, and whether the medium in the pipeline gets into the bellows of the second bellows group 200.The right part of right adapter 9 is welded with ring flat-plate 16; Be welded with lug 18 on the urceolus 4, be fixedly connected with at least four protection pull bars 17 between ring flat-plate 16 and the lug 18, protection pull bar 17 radial symmetric are arranged; Protection pull bar 17 can protect the bellows of the second bellows group 200 in transportation and work progress, not to be damaged; After construction was accomplished, the bellows of removing protection pull bar 17, the second bellows groups 200 was scalable freedom.
In use; The outer end of left side adapter 1 and right adapter 9 is welded to connect respectively in pipeline; When work; Because gap between guide shell 3 and the left side adapter 1 and the gap between ring flat-plate 5 and the urceolus 4, the first bellows group 100 is communicated with pipeline with space between the urceolus 4, because of a bit when the proper functioning the first bellows group 100 bear external pressure; And airtight space of formation between the second bellows group 200 and the first bellows group 100 and the right adapter 9; Thereby second bellows group 200 be in the state of no external and internal pressure, the displacement that causes but the second bellows group 200 participates in when work that pipeline expands with heat and contract with cold.Because during normal the use; Medium does not get in the bellows of the second bellows group 200; The bellows of the second bellows group 200 need not to bear pressure and temperature, and therefore the working life of the bellows of the second bellows group 200 will be than the ripple pipe range of the first bellows group 100 of bearing external pressure.
After the bellows of the first bellows group 100 of bearing external pressure damages; Pipeline internal medium will get into the second bellows group 200 and the first bellows group 100 and the right space of taking between 9; Make the bellows of the second bellows group 200 bear interior pressure; And this moment, compensator still can use as usual, was therefore improved greatly the working life of whole compensator.In addition because intervalve 11 is provided with pressure gauge 14; Pressure gauge 14 will display abnormality after medium gets into the second bellows group 200; The tour personnel can make things convenient for, find in time that the first bellows group 100 of compensator damaged, can further strengthen the tour of this compensator and prepare the preparation that spare part is carried out replacing.
Claims (5)
1. long-life type external pressure nose balance device is characterized in that: comprise that a left side is taken over and right the adapter, the said right left end of taking over connects guide shell, and insert during a said left side takes over the front portion of said guide shell; The first bellows group and the second bellows group are sleeved on outside said right the adapter; Said first bellows group and the said second bellows group link together through intervalve; The left end of the said first bellows group connects the said right left part of taking over through end pipe and ring flat-plate, and the right-hand member of the said second bellows group connects the said right right part of taking over through gasket ring; Urceolus is sleeved on outside the said first bellows group, and the left end of said urceolus connects a said left side through urceolus left side ring flat-plate to be taken over, and the right-hand member of said urceolus connects said intervalve through the right ring flat-plate of urceolus.
2. according to the described long-life type external pressure of claim 1 nose balance device, it is characterized in that: be connected with pressure gauge on the said intervalve.
3. according to claim 1 or 2 described long-life type external pressure nose balance devices, it is characterized in that: said first bellows group and the said second bellows group are provided with at least two sections bellowss respectively, connect through connecting leg between said bellows.
4. according to the described long-life type external pressure of claim 3 nose balance device, it is characterized in that: said connecting leg inboard is provided with guide pad.
5. according to the described long-life type external pressure of claim 1 nose balance device; It is characterized in that: the said right right part of taking over is provided with ring flat-plate; Said urceolus is provided with lug, is fixedly connected with at least four protection pull bars between said ring flat-plate and the said lug, and said protection pull bar radial symmetric is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110342821XA CN102359693A (en) | 2011-11-03 | 2011-11-03 | Long-life external pressure axial compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110342821XA CN102359693A (en) | 2011-11-03 | 2011-11-03 | Long-life external pressure axial compensator |
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| CN102359693A true CN102359693A (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110342821XA Pending CN102359693A (en) | 2011-11-03 | 2011-11-03 | Long-life external pressure axial compensator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343856A (en) * | 2013-07-30 | 2013-10-09 | 南通天田机床有限公司 | Axial external pressure type expansion joint |
| CN103343857A (en) * | 2013-07-30 | 2013-10-09 | 南通天田机床有限公司 | Novel unconstrained expansion joint |
| CN103912752A (en) * | 2014-03-31 | 2014-07-09 | 大连科华热力管道有限公司 | Steel-sleeving-steel directly-buried internal-pressure type compensator with leakage point troubleshooting device |
| CN115076494A (en) * | 2022-05-16 | 2022-09-20 | 刘晨 | Double-flow outward pressure type compensator and implementation method thereof |
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| DE589744C (en) * | 1930-11-07 | 1933-12-13 | Theodor Ullmann Dipl Ing | Expansion compensator |
| US2942896A (en) * | 1954-06-07 | 1960-06-28 | Lockheed Aircraft Corp | Flexible ducting compensator |
| CN2202239Y (en) * | 1994-07-28 | 1995-06-28 | 广东省佛山市澜石膨胀节厂 | External pressure type expansion joint for high-temperature high-pressure steam full-buried long pipeline |
| CN101672406A (en) * | 2009-10-14 | 2010-03-17 | 锦州中德波纹管件制造有限公司 | Corrugation self-check double-protection compensator |
| CN201475581U (en) * | 2009-08-18 | 2010-05-19 | 无锡金龙补偿器有限公司 | Pressure balance-type compensator for particular external-broaching straight pipe |
| CN202327496U (en) * | 2011-11-03 | 2012-07-11 | 无锡金龙石化冶金设备制造有限公司 | Long-service-life axial compensator for outer pressure |
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2011
- 2011-11-03 CN CN201110342821XA patent/CN102359693A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE589744C (en) * | 1930-11-07 | 1933-12-13 | Theodor Ullmann Dipl Ing | Expansion compensator |
| US2942896A (en) * | 1954-06-07 | 1960-06-28 | Lockheed Aircraft Corp | Flexible ducting compensator |
| CN2202239Y (en) * | 1994-07-28 | 1995-06-28 | 广东省佛山市澜石膨胀节厂 | External pressure type expansion joint for high-temperature high-pressure steam full-buried long pipeline |
| CN201475581U (en) * | 2009-08-18 | 2010-05-19 | 无锡金龙补偿器有限公司 | Pressure balance-type compensator for particular external-broaching straight pipe |
| CN101672406A (en) * | 2009-10-14 | 2010-03-17 | 锦州中德波纹管件制造有限公司 | Corrugation self-check double-protection compensator |
| CN202327496U (en) * | 2011-11-03 | 2012-07-11 | 无锡金龙石化冶金设备制造有限公司 | Long-service-life axial compensator for outer pressure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343856A (en) * | 2013-07-30 | 2013-10-09 | 南通天田机床有限公司 | Axial external pressure type expansion joint |
| CN103343857A (en) * | 2013-07-30 | 2013-10-09 | 南通天田机床有限公司 | Novel unconstrained expansion joint |
| CN103912752A (en) * | 2014-03-31 | 2014-07-09 | 大连科华热力管道有限公司 | Steel-sleeving-steel directly-buried internal-pressure type compensator with leakage point troubleshooting device |
| CN103912752B (en) * | 2014-03-31 | 2016-03-30 | 大连科华热力管道有限公司 | There is the steel sleeve steel direct-buried internal pressure type compensator of leak source examination device |
| CN115076494A (en) * | 2022-05-16 | 2022-09-20 | 刘晨 | Double-flow outward pressure type compensator and implementation method thereof |
| CN115076494B (en) * | 2022-05-16 | 2023-10-31 | 江苏远通波纹管有限公司 | Double-flow outward-pressing compensator and implementation method thereof |
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Application publication date: 20120222 |