CN208764314U - A kind of deepwater high-pressure environment strain testing sealing structure - Google Patents
A kind of deepwater high-pressure environment strain testing sealing structure Download PDFInfo
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- CN208764314U CN208764314U CN201821523896.1U CN201821523896U CN208764314U CN 208764314 U CN208764314 U CN 208764314U CN 201821523896 U CN201821523896 U CN 201821523896U CN 208764314 U CN208764314 U CN 208764314U
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- pressure environment
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Abstract
The utility model relates to a kind of deepwater high-pressure environment strain testing sealing structures characterized by comprising shell, fixed link, mounting plate, foil gauge, capsul, signal wire, signal bus, the first encapsulating glue-line and the first sealing ring.The absorption of negative pressure, will be sealed and filled up at gap using glue while being sealed using sealing ring in the compression and shell that the utility model passes through hydraulic pressure, solve the problems, such as that prior art leakproofness is insufficient;It only needs not needing using glue that shell can be fixed on to measured structure object surface using welding, sealing cover need to only be unloaded by shell inside and outside air pressure balance, and it is just detachable to remove glue layer, solve the problems, such as that prior art application is complicated, remove trouble.
Description
Technical field
The utility model relates to a kind of deepwater high-pressure environment strain testing sealing structures.
Background technique
In the fields such as Naval Architecture and Ocean Engineering, the safety and reliability of marine engineering equipment during service is especially heavy
It wants, for the safety of the instrument and equipment and production facility that ensure to work in ocean especially deep-marine-environment, needs to put at it
Use preceding progress experimental study and detection appraisal.For the bearing strength and stabilization of evaluation underwater structure, meter case etc.
Property, need to carry out measured structure object the stress-strain test under hydraulic condition, strain testing uses foil gauge electrical measurement mode.By
Strain gauge adhesion need to be fixed on to measured structure object surface when the electric conductivity of water and the strong permeability of high hydraulic pressure, test and carried out
Waterproof sealing, foil gauge, signal testing line need to meet absolute sealing and insulation.Common foil gauge sealing protection mode master
There is the method for brazing metal lid, glue or silicon rubber covering.The application of brazing metal lid sealing means is complicated, removes trouble, is suitable
With being limited in scope, and glue adhesive seal needs multiple snearing to can be only achieved sealing effect, and the glue curing time is longer, sealing effect
Fruit is poor, and can generate larger additional strain to foil gauge, and biggish null offset can be generated in measurement process, influences measurement knot
Fruit.
Utility model content
The utility model aims to solve the problem that the above problem, provides a kind of deepwater high-pressure environment strain testing sealing structure,
It solves the problems, such as that prior art leakproofness is insufficient, solves the problems, such as that prior art application is complicated, removes trouble.
A kind of deepwater high-pressure environment strain testing sealing structure characterized by comprising shell, fixed link, installation
Plate, foil gauge, capsul, signal wire, signal bus, the first encapsulating glue-line and the first sealing ring, the enclosure interior are provided with
Mounting plate, described fixed link one end and the affixed other end of shell and mounting plate are affixed, affixed with capsul above the mounting plate,
Affixed with foil gauge below the mounting plate, the lead-out wire of the foil gauge is connect with signal wire, and the signal wire passes through sealing
Shell is connected with signal bus, and the first encapsulating glue-line is provided in the capsul, is formed with flange portion below the shell, described
It is formed with the first annular groove below flange portion, the first sealing ring is installed in first annular groove, is formed with below the flange portion
Second annular groove, the signal bus pass through flange portion.
Preferably, further include outer cover, connecting tube, the second sealing ring and sealing cover, be provided with outer cover on the outside of the mounting plate,
The fixed link passes through outer cover and affixed with outer cover, and opening is formed with above the outer cover, and the shell top is formed with connection
Pipe, the connecting tube are threadedly coupled with sealing cover, and the second sealing ring is equipped with inside the sealing cover.
It preferably, further include check valve, the unidirectional valve housing passes through sealing cover and affixed with sealing cover, described unidirectional
Valve housing passes through connecting tube.
Preferably, the flange portion and adhesive waterproof tape are affixed.
Preferably, the second encapsulating glue-line is provided in the outer cover.
Preferably, the capsul is formed with capsul encapsulating mouth.
The utility model has the advantages that the absorption of negative pressure in compression and shell by hydraulic pressure, using sealing ring into
It will be sealed and fill up at gap using glue while row sealing, solve the problems, such as that prior art leakproofness is insufficient;Only
It needs not needing using glue that shell can be fixed on to measured structure object surface using welding, sealing cover need to only be unloaded shell
Inside and outside air pressure balance, and it is just detachable to remove glue layer, solves the problems, such as that prior art application is complicated, removes trouble.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is an embodiment of the present invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be extended according to the attached drawing of offer and obtain other implementation attached drawings.
Fig. 1: the schematic view of the front view of the utility model;
Fig. 2: the overlooking structure diagram of the utility model;
Fig. 3: the left view structural representation of the first sealing ring of the utility model;
Specific embodiment
The utility model is described in further detail with example with reference to the accompanying drawing:
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Fig. 1 to Fig. 3, a kind of deepwater high-pressure environment strain testing sealing structure is present embodiments provided, it is special
Sign is, comprising: shell 1, fixed link 2, mounting plate 4, foil gauge 5, capsul 6, signal wire 7, signal bus 8, the first encapsulating
Glue-line 10 and the first sealing ring 15, the shell 1 are internally provided with mounting plate 4, and described 2 one end of fixed link and shell 1 are affixed another
One end and mounting plate 4 are affixed, and 4 top of mounting plate is affixed with capsul 6, and 4 lower section of mounting plate is affixed with foil gauge 5,
The lead-out wire of the foil gauge 5 is connect with signal wire 7, and the signal wire 7 passes through capsul 6 and signal bus 8 connects, described close
It is provided with the first encapsulating glue-line 10 in capsule 6, flange portion 16 is formed with below the shell 1, is formed below the flange portion 16
There is the first annular groove 13, the first sealing ring 15 is installed in first annular groove 13, is formed with the second ring below the flange portion 16
Slot 14, the signal bus 8 pass through flange portion 16.
Preferably, further include outer cover 3, connecting tube 17, the second sealing ring 20 and sealing cover 21, set on the outside of the mounting plate 4
It is equipped with outer cover 3, the fixed link 2 passes through outer cover 3 and affixed with outer cover 3, and opening 12, the shell are formed with above the outer cover 3
Connecting tube 17 is formed with above body 1, the connecting tube 17 is threadedly coupled with sealing cover 21, and is equipped with inside the sealing cover 21
Two sealing rings 20.
It preferably, further include check valve 19, the shell of the check valve 19 passes through sealing cover 21 and affixed with sealing cover 21,
The shell of the check valve 19 passes through connecting tube 17.
Preferably, the flange portion 16 and adhesive waterproof tape 18 are affixed.
Preferably, the second encapsulating glue-line 11 is provided in the outer cover 3.
Preferably, the capsul 6 is formed with capsul encapsulating mouth 9.
Concrete operating principle:
For the present apparatus after the completion of production, outer cover 3 and mounting plate 4 are affixed by fixed link 2 and 1 inner wall of shell.5 He of foil gauge
Capsul 6 is affixed with mounting plate 4, and capsul 6 has passed through 9 filling polyurethane casting glue of capsul encapsulating mouth and formed first
The solder joint of signal wire 7 and signal bus 8 is carried out high pressure waterproof sealing by encapsulating glue-line 10.
Measured structure object 25 is surface-treated first, processing step is successively the coating that 5 position of foil gauge is pasted in removal, is beaten
The surface ground rust staining, remove degreasing, intersected with fine sandpaper and polished, and completed using detergent cleaning polishing.
In use, foil gauge 5 is pasted, foil gauge 5 is pasted onto the measured structure object 25 that processing is completed with quick setting cement
Phenomena such as surface forms the first glue layer 24, guarantees 5 firm pasting of foil gauge, and there can be no bubble, warpage, degummings.Then will
Sealing cover 21 is unloaded from connecting tube 17, and from connecting tube 17, into outer cover 3, filling polyurethane casting glue forms the second encapsulating glue-line
11.Sealing cover 21 is reinstalled in connecting tube 17, the air in partial shell 1 is sucked out from check valve 19 using vacuum pump, makes shell
Body 1 is tightly attached to 25 surface of measured structure object.Then to injection glue at the second annular groove 14, the second glue layer 23 is formed, by flange
Adhesive waterproof tape 18 at portion 16 is bonded in 25 surface of measured structure object, does not have gap between guarantee.It then can be by sealing cover 21
With injection glue at 17 gap of connecting tube, third glue layer 22 is formed.It, can be in list when the disposable present apparatus for a long time
Injection sealing element is sealed at mouth above to valve 19, when needing to reuse the present apparatus, is then not required to injection sealant.When tearing open
When unloading the present apparatus, sealing cover 21 can be unloaded with electric wrench.
Shell 1 is pressed on 25 surface of measured structure object by the hydraulic pressure in water by the present apparatus, while by negative inside shell 1
Shell 1 is adsorbed in 25 surface of measured structure object by pressure.Flange portion 16 is contacted with measured structure object 25, and the first sealing ring 15 is made to be pressurized
Sealing is formed, the first sealing ring 15 is formed with threading hole 151, and the diameter of threading hole 151 is less than the diameter of signal bus 8, makes to connect
Synapsis sealing.The gap of flange portion 16 and signal bus 8 is filled up and is sealed by the second glue layer 23.Second encapsulating glue-line 11 can
To prevent the water feeding of water pump such as foil gauge 5, double protection is played.
The utility model is illustrated by way of example above, but the utility model is not limited to above-mentioned specific implementation
Example, all ranges that the requires of the utility model protection is belonged to based on any changes or modifications that the utility model is done.
Claims (6)
1. a kind of deepwater high-pressure environment strain testing sealing structure characterized by comprising shell (1), fixed link (2), peace
Loading board (4), foil gauge (5), capsul (6), signal wire (7), signal bus (8), the first encapsulating glue-line (10) and the first sealing
Enclose (15), the shell (1) is internally provided with mounting plate (4), described fixed link (2) one end and shell (1) the affixed other end with
Mounting plate (4) is affixed, affixed with capsul (6) above the mounting plate (4), solid with foil gauge (5) below the mounting plate (4)
It connects, the lead-out wire of the foil gauge (5) is connect with signal wire (7), and the signal wire (7) passes through capsul (6) and signal bus
(8) it connects, the first encapsulating glue-line (10) is provided in the capsul (6), is formed with flange portion below the shell (1)
(16), it is formed with the first annular groove (13) below the flange portion (16), the first sealing ring is installed in first annular groove (13)
(15), it is formed with the second annular groove (14) below the flange portion (16), the signal bus (8) passes through flange portion (16).
2. a kind of deepwater high-pressure environment strain testing sealing structure according to claim 1, it is characterised in that: further include
Outer cover (3), connecting tube (17), the second sealing ring (20) and sealing cover (21), mounting plate (4) outside are provided with outer cover (3),
The fixed link (2) passes through outer cover (3) and affixed with outer cover (3), is formed with opening (12), the shell above the outer cover (3)
It is formed with connecting tube (17) above body (1), the connecting tube (17) is threadedly coupled with sealing cover (21), in the sealing cover (21)
Portion is equipped with the second sealing ring (20).
3. a kind of deepwater high-pressure environment strain testing sealing structure according to claim 1, it is characterised in that: further include
The shell of check valve (19), the check valve (19) passes through sealing cover (21) and affixed with sealing cover (21), the check valve
(19) shell passes through connecting tube (17).
4. a kind of deepwater high-pressure environment strain testing sealing structure according to claim 1, it is characterised in that: the method
Blue portion (16) and adhesive waterproof tape (18) are affixed.
5. a kind of deepwater high-pressure environment strain testing sealing structure according to claim 2, it is characterised in that: described outer
The second encapsulating glue-line (11) is provided in cover (3).
6. a kind of deepwater high-pressure environment strain testing sealing structure according to claim 1, it is characterised in that: described close
Capsule (6) is formed with capsul encapsulating mouth (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821523896.1U CN208764314U (en) | 2018-09-18 | 2018-09-18 | A kind of deepwater high-pressure environment strain testing sealing structure |
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CN201821523896.1U CN208764314U (en) | 2018-09-18 | 2018-09-18 | A kind of deepwater high-pressure environment strain testing sealing structure |
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CN208764314U true CN208764314U (en) | 2019-04-19 |
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CN201821523896.1U Active CN208764314U (en) | 2018-09-18 | 2018-09-18 | A kind of deepwater high-pressure environment strain testing sealing structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110739089A (en) * | 2019-10-23 | 2020-01-31 | 哈电集团(秦皇岛)重型装备有限公司 | glue pouring penetration sealing structure and sealing method |
CN110762205A (en) * | 2019-10-23 | 2020-02-07 | 上海海洋大学 | Sealing protection structure for strain measurement of deep sea buoyancy material and manufacturing method |
-
2018
- 2018-09-18 CN CN201821523896.1U patent/CN208764314U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110739089A (en) * | 2019-10-23 | 2020-01-31 | 哈电集团(秦皇岛)重型装备有限公司 | glue pouring penetration sealing structure and sealing method |
CN110762205A (en) * | 2019-10-23 | 2020-02-07 | 上海海洋大学 | Sealing protection structure for strain measurement of deep sea buoyancy material and manufacturing method |
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