CN106015812B - A kind of through type external pressure straight pipe pressure-balancing type expansion joint with leakage monitoring function - Google Patents
A kind of through type external pressure straight pipe pressure-balancing type expansion joint with leakage monitoring function Download PDFInfo
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- CN106015812B CN106015812B CN201610537666.XA CN201610537666A CN106015812B CN 106015812 B CN106015812 B CN 106015812B CN 201610537666 A CN201610537666 A CN 201610537666A CN 106015812 B CN106015812 B CN 106015812B
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- balance
- bellows
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- wave outer
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Classifications
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- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/03—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube comprising two or more bellows
Abstract
A kind of through type external pressure straight pipe pressure-balancing type expansion joint with leakage monitoring function, using the ingenious connection between two work bellowss and a balance bellows and six ring flat-plates and two outer tubes, form two not subjected to pressure regions, variation by the way that the gas componant in two not subjected to pressure regions of gas detecting instrument pair is arranged is detected, to realize the leakage detection function to two work bellowss and a balance bellows.The present invention provides a kind of new approaches for the leak detection of outer laminated structure expansion joint, and has higher detection sensitivity.
Description
Technical field
The present invention relates to a kind of expansion joints, more particularly, to a kind of through type external pressure straight tube pressure with leakage monitoring function
Balanced expansion joint.
Background technology
In current expansion joint leakage monitoring technology, only the leakage situation of multilayer corrugated pipe interlayer is supervised
It surveys, this method detects the variation of bellows interlayer pressure by the pressure gauge being connected to bellows interlayer, to judge ripple
Whether pipe generates leakage.
The mode of this pressure detecting is only when the amount of leakage of bellows interlayer reaches certain pressure, leak case ability
It is found, therefore the sensitivity of the detection mode is relatively low.On the other hand, even if bellows is not revealed, bellows interlayer
Pressure also due to the variation of temperature and change, therefore, be also easy to generate wrong report phenomenon.
In addition, the detection mode is only applicable to the expansion joint of interior laminated structure, outer laminated structure expansion joint leakage prison cannot be met
The needs of survey.
Invention content
The through type external pressure straight tube pressure with leakage monitoring function that in order to solve the above technical problem, the present invention provides a kind of
Balanced expansion joint.
In order to solve the above-mentioned technical problem used technical solution is the present invention：It is a kind of straight-through with leakage monitoring function
Formula external pressure straight pipe pressure-balancing type expansion joint, including inlet tube, outlet, first work bellows, second work bellows and
One balance bellows, the first work bellows-sheathed are mounted in the outside of inlet tube, and one end passes through first end ring flat-plate and inlet tube
Outlet end be connected, the intermediate ring flat-plate of the other end and empty set on inlet tube is fixedly connected, in the outer of the first work bellows
Portion is set with operating wave outer tube, and one end of operating wave outer tube and the intermediate ring flat-plate are fixedly connected, and the other end and is located at outlet
The second end ring flat-plate of pipe input end is fixedly connected；Second work bellows-sheathed is mounted in the outside of outlet, the second work ripple
One end of pipe is fixedly connected with the second end ring flat-plate, and the other end is fixed with the second balance wave outer ring plate of the empty set on outlet to be connected
It connects, the position that inlet tube is connected with outlet is corresponded on operating wave outer tube and is equipped with medium through hole, balance bellows-sheathed is mounted in
The outside of operating wave outer tube, the one end for balancing bellows are fixedly connected with the balance wave inner ring plate being located on operating wave outer tube, separately
One end is fixedly connected with the first balance wave outer ring plate being located on inlet tube, and the medium through hole is located at balance bellows
Outside is equipped with balance wave outer tube in the outer cover of balance bellows, and one end of balance wave outer tube is solid with the second balance wave outer ring plate
Fixed connection, the other end are fixedly connected with the first balance wave outer ring plate；It balances between bellows and operating wave outer tube and the first work
Make to be respectively formed a not subjected to pressure section between bellows and inlet tube, two not subjected to pressure sections are flat by intermediate ring flat-plate and first
Space between weighing apparatus wave outer ring plate is connected, and the first not subjected to pressure region is collectively formed；It works bellows, outlet, the second
The second not subjected to pressure region is formed between two end ring flat-plates and the second balance wave outer ring plate；In the first work bellows and operating wave
It is respectively formed a compression section between outer tube and between the second work bellows, balance bellows and balance wave outer tube, two
A compression section is connected to form pressurized zone by the medium flow field through-hole being located on operating wave outer tube；In the first balance wave outer shroud
Plate is equipped with the first gas detector for detecting the first not subjected to pressure region composition of gases within variation；In the second balance wave outer shroud
Plate is equipped with the second gas detector for detecting the second not subjected to pressure region composition of gases within variation.
Advantageous effect：
According to the present invention, using between two work bellowss and a balance bellows and six ring flat-plates and two outer tubes
Ingenious connection, two not subjected to pressure regions are formed, by the gas componant that gas detecting instrument pair two not subjected to pressure regions are arranged
Variation is detected, to realize the leakage detection function to two work bellowss and a balance bellows.
The present invention provides a kind of new approaches for the leak detection of outer laminated structure expansion joint, and with higher detection spirit
Sensitivity.
Further specific detailed description is done to the present invention with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure, 1, inlet tube, 2, first gas detector, the 3, first balance wave outer ring plate, 4, balance bellows, 5, work
Wave outer tube, the 501, medium through hole, 6, first work bellows, 7, balance wave inner ring plate, 8, balance wave outer tube, the 9, second work
Bellows, the 10, second balance wave outer ring plate, 11, second gas detector, 12, outlet, 13, the second end ring flat-plate, 14,
One end ring flat-plate, 15, intermediate ring flat-plate, A, pressurized zone, B1, the first not subjected to pressure region, B2, the second not subjected to pressure region.
Specific implementation mode
As shown, a kind of through type external pressure straight pipe pressure-balancing type expansion joint with leakage monitoring function, including import
Pipe 1, work bellows 6, the second work bellows 9 of outlet 12, first and a balance bellows 4.
First work bellows 6 is sleeved on the outside of inlet tube 1, and one end is gone out by first end ring flat-plate 14 and inlet tube
Mouth end is connected, and the intermediate ring flat-plate 15 of the other end and empty set on inlet tube is fixedly connected.
First work bellows 6 outer cover be equipped with operating wave outer tube 5, one end of operating wave outer tube 5 with it is described in
Between ring flat-plate 15 be fixedly connected, the other end is fixedly connected with the second end ring flat-plate 13 for being located at outlet input end.
Second work bellows 9 is sleeved on the outside of outlet 12, one end of the second work bellows and the second end ring
Plate 13 is fixedly connected, and the other end is fixedly connected with the second balance wave outer ring plate 10 of the empty set on outlet,（Sky described herein
Set, refer between the two can relative motion, such as this place refers to not having between the second balance wave outer ring plate 10 and outlet
Be fixedly connected with relationship, can with relative motion,）The position that inlet tube is connected with outlet is corresponded on operating wave outer tube 5 and is equipped with is situated between
Matter through hole 501.
Balance bellows 4 is sleeved on the outside of operating wave outer tube 5, balances one end of bellows 4 and is located at operating wave outer tube 5
On balance wave inner ring plate 7 be fixedly connected, the other end is fixedly connected with the first balance wave outer ring plate 3 being located on inlet tube, institute
The medium through hole 501 stated is located at the outside of balance bellows 4.
Balance wave outer tube 8 is housed in the outer cover of balance bellows 4, outside one end of balance wave outer tube 8 and the second balance wave
Ring flat-plate 10 is fixedly connected, and the other end is fixedly connected with the first balance wave outer ring plate 3.
It is respectively formed between balance bellows 4 and operating wave outer tube 5 and between the first work bellows 6 and inlet tube 1
One not subjected to pressure section, two not subjected to pressure sections are connected by the space between intermediate ring flat-plate 15 and the first balance wave outer ring plate 3
It is logical, the first not subjected to pressure region B1 is collectively formed.
The shape between the second work bellows 9, outlet 12, the second end ring flat-plate 13 and the second balance wave outer ring plate 10
At the second not subjected to pressure region B2.
Between the first work bellows 6 and operating wave outer tube 5 and the second work bellows 9, balance bellows 4 with it is flat
It is respectively formed a compression section between weighing apparatus wave outer tube 8, two compression sections pass through the flow of media that is located on operating wave outer tube 5
Hole 501 is connected to form pressurized zone A.
First for detecting the first not subjected to pressure region B1 composition of gases within variation is equipped on the first balance wave outer ring plate 3
Gas detecting instrument；It is equipped on the second balance wave outer ring plate 10 for detecting the second not subjected to pressure region B2 composition of gases within variation
Second gas detector.
Hollow arrow indicates media flow direction in figure.
The present invention forms through type outer laminated structure entirely using a balance bellows and two work ripple pipes, not only has
The significant advantage that compensation rate is big, flow resistance is low, rigidity is small, and by the setting in two not subjected to pressure regions, using to gas componant
The gas detecting instrument being detected realizes the function of monitoring in real time, inspection to be detected to balance bellows and work bellows
High sensitivity is surveyed, is that toxic, harmful and inflammable, explosive, large compensation amount, low flow resistance, thin tail sheep are anti-especially suitable for working media
In the pipe-line system of power.
Claims (1)
1. a kind of through type external pressure straight pipe pressure-balancing type expansion joint with leakage monitoring function, it is characterised in that：Including import
Pipe（1）, outlet（12）, first work bellows（6）, second work bellows（9）With a balance bellows（4）, first
Work bellows（6）It is sleeved on inlet tube（1）Outside, one end passes through first end ring flat-plate（14）With the outlet end phase of inlet tube
Connection, the intermediate ring flat-plate of the other end and empty set on inlet tube（15）It is fixedly connected, in the external suit of the first work bellows
There is operating wave outer tube（5）, operating wave outer tube（5）One end and the intermediate ring flat-plate（15）Be fixedly connected, the other end be located at
The second end ring flat-plate of outlet input end（13）It is fixedly connected；Second work bellows（9）It is sleeved on outlet（12）It is outer
Portion, one end of the second work bellows and the second end ring flat-plate（13）It is fixedly connected, the other end is with empty set in outlet（12）On
The second balance wave outer ring plate（10）It is fixedly connected, the second balance wave outer ring plate（10）Internal diameter be less than second work bellows
（9）Internal diameter at the end；In operating wave outer tube（5）Upper corresponding balance wave inner ring plate（7）Right side and the second end ring flat-plate（13）It
Between position be equipped with medium through hole（501）；In balance bellows（4）Outer cover be equipped with balance wave outer tube（8）, outside balance wave
Pipe（8）One end and the second balance wave outer ring plate（10）It is fixedly connected, the other end and the first balance wave outer ring plate（3）It is fixed to connect
It connects；Balance bellows（4）With operating wave outer tube（5）Between and first work bellows（6）With inlet tube（1）Between respectively shape
At a not subjected to pressure section, two not subjected to pressure sections pass through intermediate ring flat-plate（15）With the first balance wave outer ring plate（3）Between sky
Between be connected, the first not subjected to pressure region is collectively formed（B1）；In the second work bellows（9）, outlet（12）, the second end ring
Plate（13）And the second balance wave outer ring plate（10）Between form the second not subjected to pressure region（B2）；In the first work bellows（6）
With operating wave outer tube（5）Between and second work bellows（9）, balance bellows（4）With balance wave outer tube（8）Between respectively
A compression section is formed, two compression sections are by being located at operating wave outer tube（5）On medium flow field through-hole（501）Be connected shape
At pressurized zone（A）；In the first balance wave outer ring plate（3）It is equipped with for detecting the first not subjected to pressure region（B1）Composition of gases within
The first gas detector of variation（2）；In the second balance wave outer ring plate（10）It is equipped with for detecting the second not subjected to pressure region
（B2）The second gas detector of composition of gases within variation（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537666.XA CN106015812B (en) | 2016-07-11 | 2016-07-11 | A kind of through type external pressure straight pipe pressure-balancing type expansion joint with leakage monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537666.XA CN106015812B (en) | 2016-07-11 | 2016-07-11 | A kind of through type external pressure straight pipe pressure-balancing type expansion joint with leakage monitoring function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015812A CN106015812A (en) | 2016-10-12 |
| CN106015812B true CN106015812B (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610537666.XA Active CN106015812B (en) | 2016-07-11 | 2016-07-11 | A kind of through type external pressure straight pipe pressure-balancing type expansion joint with leakage monitoring function |
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| CN (1) | CN106015812B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044571B (en) * | 2017-06-16 | 2018-11-23 | 嵊州市森汇知识产权运营有限公司 | Connecting line |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6588804B2 (en) * | 2001-02-16 | 2003-07-08 | Senior Flexonics, Inc. | Method and apparatus for monitoring pipeline expansion joint conditions |
| CN201715169U (en) * | 2010-07-21 | 2011-01-19 | 秦皇岛北方管业有限公司 | External-compression composite balanced-type expansion joint |
| CN202834506U (en) * | 2012-09-04 | 2013-03-27 | 航天晨光股份有限公司 | Internal pressure and external pressure mixed type straight pipe pressure balance flexibility connecting pipe |
| CN103486392A (en) * | 2013-09-30 | 2014-01-01 | 江苏百新波纹管有限公司 | Direct burial inside and outside pressure automatic alarming bellow expansion joint |
| CN104033687A (en) * | 2014-05-06 | 2014-09-10 | 江苏晨光波纹管有限公司 | Corrugated pipe expansion joint with alarm device |
| CN205842079U (en) * | 2016-07-11 | 2016-12-28 | 洛阳双瑞特种装备有限公司 | A kind of through type external pressure straight pipe pressure-balancing type expansion joint of band leakage monitoring function |
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2016
- 2016-07-11 CN CN201610537666.XA patent/CN106015812B/en active Active
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| Publication number | Publication date |
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| CN106015812A (en) | 2016-10-12 |
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Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |