CN110034525A - Pressure vessel sensor extraction wire sealing device and method - Google Patents
Pressure vessel sensor extraction wire sealing device and method Download PDFInfo
- Publication number
- CN110034525A CN110034525A CN201910241191.3A CN201910241191A CN110034525A CN 110034525 A CN110034525 A CN 110034525A CN 201910241191 A CN201910241191 A CN 201910241191A CN 110034525 A CN110034525 A CN 110034525A
- Authority
- CN
- China
- Prior art keywords
- end cover
- pressure vessel
- matrix hole
- sealing device
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Abstract
The present invention provides a kind of pressure vessel sensor extraction wire sealing device, is related to sealing device field.The sealing device includes matrix hole, wire fixing structure, described matrix hole is located at the end cover of pressure vessel, and it is used to wear the end cover, the wire fixing structure includes conducting wire locating piece, rubber parts, the conducting wire locating piece is located at the inside portion of the end cover, and is distributed in the peripheral position in described matrix hole；The rubber parts is located at described matrix hole close to one end of the end cover outside portion；Sealing resin is filled in described matrix hole.The embodiment of the present invention is drawn from end cover, is not needed the tank skin aperture in pressure vessel, is improved the quality of pressure vessel.For different pressure vessels, end cover need to only be dismantled back and forth, it is reusable, raw material are saved, process is reduced.
Description
Technical field
The present invention relates to sealing devices, and in particular to a kind of pressure vessel sensor extraction wire sealing device and method.
Background technique
In the engineerings such as chemical industry, petroleum, power, there are many pressure vessels for bearing highly pressurised liquid, gas effect.These pressures
The performance of force container must be very reliable, and otherwise, pressure vessel, which once ruptures, will occur major accident.In order to ensure rising safely
See, each pressure vessel will carry out corresponding ess-strain detection test before formal use, to ensure that each pressure is held
Device meets acceptance of work standard, guarantees that each pressure vessel can safely, steadily, normally work.Carrying out ess-strain inspection
When test is tested, electric signal measured by sensor needs to be connected by lead-out wire with external equipment to be transmitted, lead-out wire
Need the pressure-bearing boundary across pressure resistant vessel.
Electric signal inside pressure resistant vessel is drawn and generally uses two methods.One is string holes is convinced by patient analysis on the wall, make
It will be in the direct encapsulating to pressure resistant vessel of conducting wire with the pipe sealing with some strength.Another is using seal socket, contact pin
By in encapsulating to socket, conducting wire and contact pin inside container are welded, the plug of external container and contact pin grafting, seal socket and appearance
Wall is sealed using sealing ring.
Although above two method can be realized electric signal extraction, it is required to open on pressure vessel wall enough
Hole so will affect the total quality of pressure vessel.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of pressure vessel sensor extraction wire sealing device and sides
Method solves existing technology needs and opens enough holes on pressure vessel wall, influences the skill of the total quality of pressure vessel
Art problem.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
On the one hand, the present invention provides a kind of pressure vessel sensor extraction wire sealing device, and the sealing device includes:
Matrix hole, described matrix hole are located at the end cover of pressure vessel, and are used to wear the end cover；
Wire fixing structure, the wire fixing structure include:
Conducting wire locating piece, the conducting wire locating piece are located at the inside portion of the end cover, and are distributed in described matrix hole
Peripheral position；
Rubber parts, the rubber parts are located at described matrix hole close to one end of the end cover outside portion；
Wherein, sealing resin is filled in described matrix hole.
Preferably, described matrix hole is stepped.
Preferably, the diameter in described matrix hole by the end cover inside portion to the outside portion of the end cover by
Grade reduces.
Preferably, the sealing resin includes resin and quartz sand.
Preferably, the resin is the resin that can bear 100MPa or more compression strength after solidifying under room temperature.
Preferably, the conducting wire locating piece is in Openworks shape structure.
Preferably, diameter of the rubber parts close to end cover outside portion one end is less than far from the end cover
The diameter of outside portion one end.
Preferably, the rubber parts is greater than described matrix hole close to institute far from the diameter of end cover outside portion one end
State the diameter of end cover outside portion one end.
Still further aspect, the present invention provide a kind of method of pressure vessel sensor extraction wire, which comprises
S1 opens up matrix hole on pressure resistant vessel end cover；
Conducting wire is removed outer layer insulation rubber by root and smears resin, conducting wire is fixed on wire fixing structure by S2, tool
Body is that one end of the conducting wire is fixed on conducting wire locating piece, and the other end passes through rubber parts；
Wire fixing structure after the fixed conducting wire of the step S2 will be placed into matrix hole by S3；
S4, sealing resin are filled to described matrix hole, until observing on not new bubble after hole is filled up and stood
Until emersion comes.
Preferably, in the step S1, the matrix hole is stepped hole, is set between every step of the stepped hole
Set chamfering.
(3) beneficial effect
The present invention provides a kind of pressure vessel sensor extraction wire sealing device and methods.Compared with prior art,
Have it is following the utility model has the advantages that
The embodiment of the present invention is drawn from end cover, is not needed the tank skin aperture in pressure vessel, is improved pressure vessel
Quality.Simultaneously for different pressure vessels, end cover need to only be dismantled back and forth, it is reusable, raw material are saved, are subtracted
Few process；It can be applied to various types of pressure vessels.And it is preferable by above structure encapsulating method sealing effect, safely may be used
Lean on, can extraction wire quantity it is more and can guarantee transmission data it is accurately undistorted；Sealing structure is simple, to machining accuracy
It is required that low, method is practical, low in cost compared to other methods.And the encapsulating method convenient disassembly, can significantly improve test
Efficiency reduces testing time cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the side sectional view of this implementation；
Fig. 2 is matrix hole partial sectional view；
Fig. 3 is the front view of rubber parts；
Fig. 4 is the end cover bottom view of this implementation；
Fig. 5 is the end cover front view of the present embodiment.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, to the technology in the embodiment of the present invention
Scheme is clearly and completely described, it is clear that and described embodiments are some of the embodiments of the present invention, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The embodiment of the present application solves to understand by providing a kind of pressure vessel sensor extraction wire sealing device and method
Existing technology needs of having determined open enough holes on pressure vessel wall, and the technology for influencing the total quality of pressure vessel is asked
Topic, realize can extraction wire quantity it is more and can guarantee transmission data it is accurate it is distortionless simultaneously, reduce in pressure vessel
Aperture on wall, it is ensured that product quality.
Technical solution in the embodiment of the present application is in order to solve the above technical problems, general thought is as follows:
Aperture is carried out by the end cover in pressure vessel, conducting wire is drawn from end cover, realization can drawn
Number of conductors is more and can guarantee that transmission data are accurately undistorted.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
On the one hand, as shown in Fig. 1~5, the present invention provides a kind of pressure vessel sensor extraction wire sealing device, described
Pressure vessel sensor extraction wire sealing device is located on the end cover 1 of pressure vessel, and the sealing device includes matrix
Hole 2, wire fixing structure；Described matrix hole 2 is located at the end cover 1 of pressure vessel, and is used to wear the end cover 1, matrix
Hole 1 passes through end cover 1 and is connected to pressure vessel internal cavities；The wire fixing structure includes conducting wire locating piece 3, rubber parts 5,
The conducting wire locating piece 3 is located at the inside portion of the end cover 1, and is distributed in the peripheral position in described matrix hole 1；
The rubber parts 5 is located at described matrix hole 2 in one end of 1 outside portion of end cover, specific the application
1 outside portion of end cover is the side far from pressure vessel, and inside is just proximate to the side of pressure vessel；Wherein, described
Sealing resin is filled in matrix hole 2.
Above-described embodiment is in implementation process, as shown in Fig. 2, rubber parts 5 is located at described matrix hole 2 close to the sealed end
One end of 1 outside portion of lid, 6 one end of conducting wire pass through inside rubber parts 5, and pass through and wear in matrix hole 1 to end cover 1
Side positions the conducting wire of extraction in the outside portion of end cover 1 by the elasticity of rubber parts 5；6 both ends of conducting wire respectively by
Conducting wire locating piece 3 and rubber parts 5 carry out tensioning positioning to keep mutually separated to prevent short circuit between each conducting wire 6.Pacify to all conducting wires 6
After dress is fixed, carries out test for short-circuit and determine that fixation can fill sealing resin in early matrix hole 2 rearward.
Above-described embodiment draws from end cover, does not need the tank skin aperture in pressure vessel, improve pressure vessel
Quality.Simultaneously for different pressure vessels, end cover need to only be dismantled back and forth, it is reusable, raw material are saved, are reduced
Process；It can be applied to various types of pressure vessels.
And it is preferable by above structure encapsulating method sealing effect, it securely and reliably, can extraction wire quantity be more and energy
Guarantee that transmission data are accurately undistorted；Sealing structure is simple, low to machining accuracy requirement, and method is practical, compared to other
Method is low in cost.
And the encapsulating method convenient disassembly can significantly improve testing efficiency, reduce testing time cost.
In one embodiment, described matrix hole 2 is stepped, as illustrated in fig. 1 and 2, using stair-stepping matrix hole 2, in base
Sealing resin is filled inside body opening 2 under the action of adjacent steps, it is ensured that the Optimality of sealing.
In one embodiment, the diameter in described matrix hole 2 is by the inside portion of the end cover 1 to the end cover 2
Outside portion reduces step by step, and 2 compound rubber part 5 of matrix hole is applicable with this configuration, can after matrix hole 2 fills sealing resin
Realize excellent leakproofness.
In one embodiment, the sealing resin includes that resin and quartz sand are improved by the use of resin complex quartz sand
The intensity of resin increases leakproofness.
In one embodiment, the resin is the resin that can bear 100MPa or more compression strength after solidifying under room temperature.
The embodiment of the present invention provides a kind of sealing resin using the quartz of resin and 120#~160# granularity of clean dry
Sand homogeneous compositions；Wherein resin are as follows: epoxy resin and polyamide, by 100:(50~100) weight ratio, uniform stirring
10~20min；It is stirred evenly in the quartz sand that suitable 120#~160# granularity is added in above-mentioned resin, general 100ml asphalt mixtures modified by epoxy resin
The proportion of rouge addition 20~30g quartz sand, epoxy resin and polyamide will affect the intensity of sealing resin, by upper
It states proportion and improves intensity, quartz sand cannot contain impurity, and need to do drying and processing.Quartz sand additional amount will as requested, mistake
The effect of enhancing is not had less, it is excessive to reduce intensity instead.Epoxy resin and polyamide mixing are uniform, it is necessary to abundant
Quartz sand could be added after solidification, otherwise influence intensity.
It should be noted that can choose other sealing resins according to the actual situation.
In one embodiment, the conducting wire locating piece 3 is in Openworks shape structure, as shown in figure 4, the engraved structure can be five jiaos
Star structure, centre is Openworks shape, and the hollow out is corresponding with matrix hole 2.
In one embodiment, diameter of the rubber parts 5 close to described 1 outside portion one end of end cover is less than far from described close
The diameter for blocking 1 outside portion one end of lid, limits rubber parts 5 by diameter, improves leakproofness.
In one embodiment, the rubber parts 5 is greater than described matrix hole far from the diameter of described 1 outside portion one end of end cover
2 close to described 1 outside portion one end of end cover diameter, rubber parts 5 is limited by diameter, improve leakproofness.
Still further aspect, the embodiment of the present invention also provide a kind of method of pressure vessel sensor extraction wire, the side
Method includes:
S1 opens up matrix hole 2 on the end cover 1 of pressure resistant vessel；
Conducting wire 6 is removed outer layer insulation rubber by root and smears resin by S2, and conducting wire 6 is fixed on wire fixing structure,
One end of the specially described conducting wire is fixed on conducting wire locating piece 3, and the other end passes through rubber parts 5；The removal conducting wire for needing to illustrate
Insulation rubber be because there is a standoff effects sealing effect in the intradermal portion of insulating cement, in specific conducting wire the length of removal insulation rubber with
2 depth of matrix hole is adapted, and is then fixed on conducting wire locating piece 3 by root opsition dependent, and paying attention to cannot be by conducting wire when fixing conducting wire
Doubling is directly carried out, will affect electric signal transmission in this way.Then rubber parts 5 is passed through by root in the other end, keeps conducting wire 6, conducting wire fixed
Position part 3, rubber parts 5 form the wire fixing structure of an entirety, and make not interlaced between each wire；
When fixing conducting wire 6 in matrix hole 2 in above-mentioned steps, has to avoid mutually to wind between conducting wire, avoid conducting wire 6
Contacting with 2 hole wall of matrix hole leads to short circuit.
Wire fixing structure after the fixed conducting wire 5 of the step S2 will be placed into matrix hole 2 by S3；
S4, sealing resin are filled to described matrix hole 2, until observing on not new bubble after hole is filled up and stood
Until emersion comes.
It should be noted that the detailed process of step S4 is, configured sealing resin is rapidly added in matrix hole 2, it can
Increase the mobility of matrix hole 2 under the action of hair dryer.Guarantee in each matrix hole 2 full of matrix hole 2.In matrix hole 2
Bubble can float out automatically, to guarantee sealing effect；
It is stood in the environment of 15~25 DEG C of aeration-drying, it is advanced after matrix hole 2 is fully cured (general week age)
Row precompressed test determines that the reliability of sealing measures operation again in the case where testing pressure.
In one embodiment, in the step S1, the matrix hole 2 is stepped hole, every step of the stepped hole
Between have chamfering.And chamfering is carried out between every level-one stepped hole, and overlap and burr have been avoided, it specifically can also be in chamfering
It is clean to stepped hole inside alcohol washes later, to improve the leakproofness of sealing resin.
In the present embodiment, matrix hole 2 is stepped hole, and conducting wire 6 is stuck at afterbody matrix hole 2 by rubber parts 5, by root
Conducting wire is drawn, keeps each wire exceptionally straight under the elastic reaction of conducting wire locating piece 3 and rubber parts 5, distance is equal between conducting wire and conducting wire
It is even, by its flexible fastening between 2 hole wall of rubber parts 5 and matrix hole；
Specifically, avoiding the sealing operation in wet environment in executing the above method, steam can seriously affect sealing effect
Fruit.
It is above-mentioned, strain measurement experimentation is carried out to " China's dragon No.1 " main pump pump case that certain company produces by the encapsulating method
In, it is fetched water with nuclear power Special water pump when being forced into 28.55MPa pressure maintaining 120 minutes, is produced with Huangyan, Zhejiang test equipment factory
45 ° of strain rosettes of BX120-3CA type carry out strain testing, and the DH3816 of Jiangsu Dong Hua measuring technology limited liability company production is static
Deformeter carries out data acquisition.1 outside ne-leakage situation of end cover in pressure maintaining period, maximum principal strain value is such as at each measuring point
Shown in table 1, strain value is able to maintain stabilization with the increase of dwell time at each measuring point, and pressure is also able to maintain stabilization, card
Bright this kind of encapsulating method sealing effect is good.
Real-time strain data (unit: μ ε) at each measuring point of table 1.28.55MPa pressure maintaining 2h
In conclusion compared with prior art, have it is following the utility model has the advantages that
The embodiment of the present invention is drawn from end cover, is not needed the tank skin aperture in pressure vessel, is improved pressure vessel
Quality.Simultaneously for different pressure vessels, end cover need to only be dismantled back and forth, it is reusable, raw material are saved, are subtracted
Few process；It can be applied to various types of pressure vessels.And it is preferable by above structure encapsulating method sealing effect, safely may be used
Lean on, can extraction wire quantity it is more and can guarantee transmission data it is accurately undistorted；Sealing structure is simple, to machining accuracy
It is required that low, method is practical, low in cost compared to other methods.And the encapsulating method convenient disassembly, can significantly improve test
Efficiency reduces testing time cost.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of pressure vessel sensor extraction wire sealing device, which is characterized in that the sealing device includes:
Matrix hole, described matrix hole are located at the end cover of pressure vessel, and are used to wear the end cover；
Wire fixing structure, the wire fixing structure include:
Conducting wire locating piece, the conducting wire locating piece are located at the inside portion of the end cover, and are distributed in the week in described matrix hole
Side position；
Rubber parts, the rubber parts are located at described matrix hole close to one end of the end cover outside portion；
Wherein, sealing resin is filled in described matrix hole.
2. pressure vessel sensor extraction wire sealing device as described in claim 1, which is characterized in that described matrix Kong Chengjie
Scalariform.
3. pressure vessel sensor extraction wire sealing device as claimed in claim 2, which is characterized in that described matrix hole it is straight
Diameter is reduced step by step by inside portion to the outside portion of the end cover of the end cover.
4. pressure vessel sensor extraction wire sealing device as described in claim 1, which is characterized in that the sealing resin packet
Include resin and quartz sand.
5. pressure vessel sensor extraction wire sealing device as described in claim 1, which is characterized in that the resin is solidification
The resin of 100MPa or more compression strength can be born under room temperature afterwards.
6. pressure vessel sensor extraction wire sealing device as described in claim 1, which is characterized in that the conducting wire locating piece
In Openworks shape structure.
7. pressure vessel sensor extraction wire sealing device as described in claim 1, which is characterized in that the rubber parts is close
The diameter of end cover outside portion one end is less than the diameter far from end cover outside portion one end.
8. pressure vessel sensor extraction wire sealing device as claimed in claim 7, which is characterized in that the rubber parts is separate
The diameter of end cover outside portion one end is greater than described matrix hole close to the diameter of end cover outside portion one end.
9. a kind of method of pressure vessel sensor extraction wire, which is characterized in that the described method includes:
S1 opens up matrix hole on pressure resistant vessel end cover；
Conducting wire is removed outer layer insulation rubber by root and smears resin, conducting wire is fixed on wire fixing structure, specially by S2
One end of the conducting wire is fixed on conducting wire locating piece, and the other end passes through rubber parts；
Wire fixing structure after the fixed conducting wire of the step S2 will be placed into matrix hole by S3；
S4, sealing resin are filled to described matrix hole, are gone out until observing not new bubble floating after hole is filled up and stood
Until coming.
10. the method for pressure vessel sensor extraction wire as claimed in claim 9, which is characterized in that in the step S1, institute
The matrix hole stated is stepped hole, and chamfering is arranged between every step of the stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910241191.3A CN110034525A (en) | 2019-03-28 | 2019-03-28 | Pressure vessel sensor extraction wire sealing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910241191.3A CN110034525A (en) | 2019-03-28 | 2019-03-28 | Pressure vessel sensor extraction wire sealing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110034525A true CN110034525A (en) | 2019-07-19 |
Family
ID=67236957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910241191.3A Pending CN110034525A (en) | 2019-03-28 | 2019-03-28 | Pressure vessel sensor extraction wire sealing device and method |
Country Status (1)
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| CN (1) | CN110034525A (en) |
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| US4558547A (en) * | 1983-04-22 | 1985-12-17 | Freyssinet International (Stup) S.A. | Anchoring device for a pre-stress cable |
| CN102518877A (en) * | 2011-12-28 | 2012-06-27 | 北京新风机械厂 | Method and special device for sealing educed lead of sensor of pressure-bearing container |
| CN103104781A (en) * | 2013-01-22 | 2013-05-15 | 安徽万瑞冷电科技有限公司 | Current lead insulative sealing coupling head under ultralow temperature vacuum |
| CN103822028A (en) * | 2014-03-20 | 2014-05-28 | 武汉科技大学 | Testing cable sealing device for container for simulating deepwater environment explosion test |
| CN205136841U (en) * | 2015-12-03 | 2016-04-06 | 深圳市东河仪表有限公司 | Sealing device and temperature sensor |
| CN205781441U (en) * | 2016-04-11 | 2016-12-07 | 浙江新乐造船有限公司 | A kind of flow container pressure test strain gauge cable gas check |
| CN205991851U (en) * | 2016-07-22 | 2017-03-01 | 董哲飞 | A kind of novel high-frequency dynamic pressure transducer |
-
2019
- 2019-03-28 CN CN201910241191.3A patent/CN110034525A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4558547A (en) * | 1983-04-22 | 1985-12-17 | Freyssinet International (Stup) S.A. | Anchoring device for a pre-stress cable |
| CN102518877A (en) * | 2011-12-28 | 2012-06-27 | 北京新风机械厂 | Method and special device for sealing educed lead of sensor of pressure-bearing container |
| CN103104781A (en) * | 2013-01-22 | 2013-05-15 | 安徽万瑞冷电科技有限公司 | Current lead insulative sealing coupling head under ultralow temperature vacuum |
| CN103822028A (en) * | 2014-03-20 | 2014-05-28 | 武汉科技大学 | Testing cable sealing device for container for simulating deepwater environment explosion test |
| CN205136841U (en) * | 2015-12-03 | 2016-04-06 | 深圳市东河仪表有限公司 | Sealing device and temperature sensor |
| CN205781441U (en) * | 2016-04-11 | 2016-12-07 | 浙江新乐造船有限公司 | A kind of flow container pressure test strain gauge cable gas check |
| CN205991851U (en) * | 2016-07-22 | 2017-03-01 | 董哲飞 | A kind of novel high-frequency dynamic pressure transducer |
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Application publication date: 20190719 |