CN207600692U - A kind of positive seal system safety testing device - Google Patents
A kind of positive seal system safety testing device Download PDFInfo
- Publication number
- CN207600692U CN207600692U CN201721641546.0U CN201721641546U CN207600692U CN 207600692 U CN207600692 U CN 207600692U CN 201721641546 U CN201721641546 U CN 201721641546U CN 207600692 U CN207600692 U CN 207600692U
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- Prior art keywords
- pressure
- sleeve
- seal nipple
- openend
- system safety
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Abstract
The utility model is related to sealing propertytest technical fields, disclose a kind of positive seal system safety testing device.Including sleeve, seal nipple, pressure device and quick coupling, sleeve includes sealed end and openend, seal nipple is threadedly coupled with the openend of the sleeve, pressure device is connect by quick coupling with the seal nipple, pressure valve is provided in quick coupling, pressure gauge is provided on seal nipple.The utility model can realize that positive pressure is up to the leakproofness pressure test of 120Mpa, solving in the prior art can only be by the way of vacuumizing for the sealing propertytest of LWD, leakproofness is tested under negative pressure, and test pressure only only has 1Mpa, it is difficult to the problem of meeting under high pressure to sealing requirements.
Description
Technical field
The utility model is related to performing leak test technical fields, disclose a kind of positive seal system safety testing device
Background technology
LWD (Logging While Drilling) means " with well logging is bored ", and universal is said, except the survey for including MWD
It measures outside parameter, it is necessary to all or part of to have geologic parameter (such as：Resistivity logging while drilling, with bore gamma, with bore density, with drilling
Porosity etc.) and drilling engineering parameter (with boring drilling tool torque, being vibrated with brill, with brill bit pressure etc.).
LWD technologies are mainly used in differentiating stratum, differentiate oil gas water, judge the occasions such as formation variation, prediction high pressure formation,
Drilling period can be greatly shortened, reduces the soaking time of oil gas, oil layer pollution is gathered around in reduction.Due to the application scenario of LWD instruments
Mostly underground high-voltage test environment, so harsh requirement is proposed to the leakproofness of LWD instruments, if the sealing of LWD instruments
Property does not reach requirement, then liquid filling phenomenon, i.e., the geology mud under high pressure conditions etc. easily occurs in underground and passes through tool interface system
Equipment is poured into, significant impact is not only caused to measurement result, but also irreversible pollution damage is caused to LWD equipment.
To sum up, in order to ensure LWD instruments in underground acceptable safety operation, it is necessary to the leakproofness of LWD instruments is detected,
It is known that in liquid environment, product is directly proportional to depth of the product in liquid environment to the ability to bear of pressure, deep
Degree is deeper, and the requirement that High Voltage ability is born to product is higher, meanwhile, the pressure born is directly proportional to the pressure born, therefore
It requires product that can bear in some Code in Hazardous Special Locations higher eager to excel in whatever one does, is all for the test of the leakproofness of LWD in the prior art
In a manner that sealing vacuumizes, being sealed property is tested under negative pressure, and this test method can only realize the pressure of 1Mpa
Sealing demand therefore, it is necessary to research and develop a kind of positive seal detection device, ensures the leakproofness of LWD instruments, prevents leakproofness not
LWD instrument and equipments up to standard are entered underground and carry out risky operation, also, leakproofness is tested in a manner of positive pressure, and obtaining one kind can
Meet the instrument of high-pressure tightness requirement.
Utility model content
The technical problems to be solved in the utility model can only use sealing propertytest vacuumize in the prior art
Mode, tests leakproofness under negative pressure, and test pressure only only has 1Mpa, it is difficult to the problem of meeting under high pressure to sealing requirements.
In order to solve the above technical problems, the utility model discloses a kind of positive seal system safety testing device, including sleeve, close
Sealing joint, pressure device and quick coupling, the sleeve include sealed end and openend, the seal nipple and the sleeve
Openend is threadedly coupled, and the pressure device is arranged on the seal nipple by quick coupling, is set in the quick coupling
Pressure valve is equipped with, pressure gauge is provided on the seal nipple.
Further, external screw thread is provided on the openend of the sleeve, be provided on the seal nipple with it is described outer
The internal thread of thread fitting.
Further, it is provided with sealing ring between the seal nipple and the openend.
Further, relief hole is additionally provided on the seal nipple, pressure release plug is installed on the relief hole.
As preference, it is threadedly coupled between the pressure release plug and the relief hole.
Further, it is provided on the seal nipple with the front of motor of the openend and carries silk convenient for lifting.
Further, described device further includes high pressure line, the pressure device by the high pressure line with it is described fast
Quick coupling connects.
As preference, the compressive region of the sleeve is 50-120Mpa.
Using above-mentioned technical proposal, positive seal system safety testing device described in the utility model has the advantages that：
1) positive seal system safety testing device described in the utility model is used in sleeve plus water, by pressure device 1 to
After squeezing into oil in sleeve, increase the pressure of sleeve, pressure rises soon, laborsaving.
2) positive seal system safety testing device described in the utility model is pressurizeed by pressure device into sleeve, Neng Goushi
Existing positive pressure test leakproofness.
3) positive seal system safety testing device described in the utility model can test the up to pressure of 120Mpa.
4) positive seal system safety testing device described in the utility model is arranged on by quick coupling on seal nipple, installation
Easily and fast, it and can dismantle, a pressure device is only needed for the performing leak test of multiple sleeves, does not need to be every
A sleeve is equipped with a pressure device, has saved cost.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram of the positive seal system safety testing device described in embodiment one；
Fig. 2 is the explosive view of Fig. 1；
In figure, 1- pressure devices, 2- high pressure lines, 3- pressure gauges, 4- pressure release plugs, 5- seal nipples, 6- sleeves, 61-
Sealed end, 62- openends, 7- quick couplings, 8- pressure valve, 9- carry silk.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's all other embodiments obtained without making creative work all should
When the range for belonging to the utility model protection.
" one embodiment " or " embodiment " referred to herein refers to may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula.In the description of the present invention, it is to be appreciated that term " on ", " top ",
" bottom ", etc. instructions orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description this
Utility model must have specific orientation with the device or element for simplifying description rather than instruction or hint meaning, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second " are only used
In description purpose, and it is not intended that instruction or hint relative importance or the implicit number for indicating indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can be expressed or what is implied includes one or more this feature.
Moreover, term " first ", " second " etc. are the objects for distinguishing similar, specific sequence or priority time are described without being used for
Sequence.It should be appreciated that the data used in this way can be interchanged in the appropriate case, so as to the implementation of the utility model described herein
Example can be implemented with the sequence other than those for illustrating or describing herein.
Embodiment one：
To solve that sealing can only be tested under negative pressure by the way of vacuumizing for sealing propertytest in the prior art
Property, test pressure only only has 1Mpa, it is difficult to the problem of meeting under high pressure to sealing requirements.The utility model is providing one kind just
Means of press seals system safety testing device, specifically, refering to Fig. 1 and Fig. 2, described device includes sleeve 6, seal nipple 5,1 and of pressure device
Quick coupling 7, the sleeve 6 include sealed end 61 and openend 62, the openend 62 of the seal nipple 5 and the sleeve 6
It is threadedly coupled, the pressure device 1 is arranged on the seal nipple 5 by quick coupling 7, is set in the quick coupling 7
There is pressure valve 8, pressure gauge 3 is provided on the seal nipple 5.
Further, handle is provided on the pressure device 1, it is convenient manually to suppress.
Specifically, the sealed end 61 of the sleeve 6 is integrally formed with the sleeve 6, the openend 62 of the sleeve 6 is set
There is external screw thread, be provided with the inside of the seal nipple 5 of the cooperation installation of openend 62 of the sleeve 6 and coordinate with the external screw thread
Internal thread, the external screw thread seals the openend 62 of the sleeve 6 after being screwed with screw-internal thread fit, as preference, institute
It states and is arranged with sealing ring on externally threaded excircle, it is to be understood that be arranged sealing ring on the externally threaded excircle
The leakproofness of seal nipple 5 and the openend 62 can be increased.Further, the seal nipple 5 is installed with openend 62
When can by by hand screw, can also be urgent by assembling and disassembling stand.
Further, described device further includes high pressure line 2, the pressure device 1 by high pressure line 2 with it is described quick
Connector 7 connects, and the high pressure line 2 can bear higher pressure, increases institute being suppressed by pressure device 1 into sleeve 6
When stating the pressure of sleeve 6, certain cushioning effect can be played by high pressure line 2, the change dramatically of pressure will not be caused.Tool
Body, the connection between the pressure device 1, high pressure line 2 and quick coupling 7 is connected through a screw thread, in connector
Place can wind raw material band, improve the leakproofness and compactness of junction.
Further, relief hole is additionally provided on the seal nipple 5, pressure release plug 4 is installed on the relief hole.Make
To be preferred, it is connected through a screw thread between the pressure release plug 4 and the relief hole.Specifically, it is set on the seal nipple 5
Putting the effect of relief hole is, after the completion of the sleeve 6 experiment, when carrying out pressure release to sleeve 6, can be blocked up by disassembling pressure release
Slow pressure release is carried out to sleeve 6 after first 4, avoids the impact force of the unexpected pressure release of high pressure.
Further, it is provided on the seal nipple 5 with the front of motor of the openend 62 and carries silk convenient for lifting
9。
As preference, in the present embodiment, the pressure measurement ranging from 0-120Mpa of the pressure gauge 3, the sleeve by
Press ranging from 50-120Mpa.It is understood that in the present embodiment by pressure rise to 120Mpa.It is understood that work as
After some pressure value that pressure in the sleeve 6 is pressurizeed in 0-120Mpa, the pressure gauge 3 is just shown with the pressure value
Show, as preference, in the present embodiment, 120Mpa is pressurized to the sleeve 6, at this point, the pressure gauge 3 is shown with 120Mpa
Show.Further, pressure valve 8 is provided in the quick coupling 7, it, will after the pressure boost in the sleeve 6 is to 120Mpa
Pressure valve 8 is turned off, and sleeve 6 is made to start the performing leak test of sleeve 6 using 120Mpa as test pressure.
As preference, water can be packed into the sleeve 6, the pressure device 1 is made to work in oil medium,
In this structure, compared with the structure of air dielectric, application similarly suppresses power, since the compressibility of liquid is small, the application
Structure sleeve it is same suppress power under, the ramp-up rate of pressure is fast, and attainable pressure is higher.
Further, for above structure, the principle of performing leak test is operated and is specifically summarized, specifically,
After water is packed into the sleeve 6, pressure to increase sleeve 6 is suppressed into sleeve 6 by pressure device 1 until 120Mpa,
Then, the pressure valve 8 is screwed into closing, whether the pressure in 60 points in interior observation pressure gauge 3 changes and described
Whether have on the outer surface of sleeve 6 oil or water exudation, if the pressure gauge 3 change or the outer surface of sleeve 6 on
There are water or oil exudation, then it represents that, the poor sealing of the sleeve 6.
Further, during above-mentioned experiment, in order to more accurately discharge the opening of the seal nipple 5 and sleeve 6
The leakage of the junction at end 62, being partially placed into water after can seal nipple 5 be connect with sleeve 6, by observing junction
Whether continuous air bubbles emerge and bubble emerge frequency is had to determine whether being that junction does not connect, if it is, tearing open
It is reinstalled after falling.If it is not, and pressure gauge 3 show value change or the outer surface of sleeve 6 on have water or oil
Exudation then further illustrates the poor sealing of sleeve 6.
Further, after pressurization is completed and closes pressure valve 8, pressure device 1 and high pressure line 2 can be dismantled,
For use in being sealed property of the cooperation again test with other sleeves 6, this dismountable performing leak test structure only needs
It wants a set of pressure device 1 that can realize the performing leak test of multiple sleeves 6, has saved cost, while it is empty to also save storage
Between.
Further, after the completion of performing leak test, by the way that the pressure release plug 4 is laid down from the relief hole, to set
Pressure release after cylinder 6 carries out slow pressure release or the pressure device 1, high pressure line 2 are dismantled.
Embodiment two：
This gives the explanation of the another group of leakproofness using tightness measuring device test, such as Fig. 1 and Fig. 2
Shown, including sleeve 6, seal nipple 5, pressure device 1 and quick coupling 7, the sleeve 6 includes sealed end 61 and openend
62, the seal nipple 5 is threadedly coupled with the openend 62 of the sleeve 6, and the pressure device 1 is set by quick coupling 7
On the seal nipple 5, pressure valve 8 is provided in the quick coupling 7, pressure gauge 3 is provided on the seal nipple 5.
Further, handle is provided on the pressure device 1, it is convenient manually to suppress.
Specifically, the sealed end 61 of the sleeve 6 seals after being integrally formed with the sleeve 6, the openend of the sleeve 6
62 are provided with external screw thread, are provided with and the outer spiral shell with the inside of the seal nipple 5 of the cooperation installation of openend 62 of the sleeve 6
The internal thread of line cooperation, the external screw thread seals the openend 62 of the sleeve 6 after being screwed with screw-internal thread fit, as preferred
, the junction of the openend 61 of the sleeve 6 and the seal nipple 5 is further, described by raw material band auxiliary seal
Seal nipple 5 can be by screwing when being installed with openend 62 by hand, can also be urgent by assembling and disassembling stand.
Further, described device further includes high pressure line 2, the pressure device 1 by high pressure line 2 with it is described quick
Connector 7 connects, and the high pressure line 2 can bear higher pressure, increases institute being suppressed by pressure device 1 into sleeve 6
When stating the pressure of sleeve 6, certain cushioning effect can be played by high pressure line 2, the change dramatically of pressure will not be caused.Tool
Body, the connection between the pressure device 1, high pressure line 2 and quick coupling 7 is connected through a screw thread, in connector
Place can wind raw material band, improve the leakproofness and compactness of junction.
Further, relief hole is additionally provided on the seal nipple 5, pressure release plug 4 is installed on the relief hole.Make
To be preferred, it is connected through a screw thread between the pressure release plug 4 and the relief hole.Specifically, it is set on institute's seal nipple 5
The effect of relief hole is,, can be by disassembling pressure release plug when carrying out pressure release to sleeve 6 after the completion of the sleeve 6 is tested
Slow pressure release is carried out to sleeve 6 after 4, avoids the impact force of the unexpected pressure release of high pressure.
Further, it is provided on the seal nipple 5 with the front of motor of the openend 62 and carries silk convenient for lifting
9。
As preference, in the present embodiment, the pressure measurement ranging from 0-1200Mpa of the pressure gauge 3, the sleeve by
Press ranging from 50-120Mpa.It is understood that when some pressure in 0-120Mpa that the pressure in the sleeve 6 is pressurizeed
After force value, the pressure gauge 3 is just shown with the pressure value, as preference, in the present embodiment, being pressurized to the sleeve 6
50Mpa, at this point, the pressure gauge 3 is shown with 50Mpa.Further, pressure valve 8 is provided in the quick coupling 7, works as institute
After stating the pressure boost to 50Mpa in sleeve 6, pressure valve 8 is turned off, sleeve 6 is made to start sleeve 6 by test pressure of 50Mpa
Performing leak test.
As preference, water can be packed into the sleeve 6, the pressure device 1 is made to work in oil medium,
In this structure, compared with the structure of air dielectric, application similarly suppresses power, since the compressibility of liquid is small, the application
Structure sleeve it is same suppress power under, the ramp-up rate of pressure is fast, and attainable pressure is higher.
Further, for above structure, the principle of performing leak test is operated and is specifically summarized, specifically,
After water is packed into the sleeve 6, pressure to increase sleeve 6 is suppressed into sleeve 6 by pressure device 1 until 50Mpa, with
Afterwards, the pressure valve 8 is screwed into closing, the pressure in 30 points in interior observation pressure gauge 3 whether changes and the set
Cylinder 6 outer surface on whether have oil or water exudation, if the pressure gauge 3 change or the outer surface of sleeve 6 on have
Water or oil exudation, then it represents that, the poor sealing of the sleeve 6.
Further, during above-mentioned experiment, in order to more accurately discharge the opening of the seal nipple 5 and sleeve 6
The leakage of the junction at end 62, being partially placed into water after can seal nipple 5 be connect with sleeve 6, by observing junction
Whether continuous air bubbles emerge and bubble emerge frequency is had to determine whether being that junction does not connect, if it is, tearing open
It is reinstalled after falling.If it is not, and pressure gauge 3 show value change or the outer surface of sleeve 6 on have water or oil
Exudation then further illustrates the poor sealing of sleeve 6.
Further, after pressurization is completed and closes pressure valve 8, pressure device 1 and high pressure line 2 can be dismantled,
For use in the performing leak test of other sleeves 6, this dismountable performing leak test structure only needs a set of pressure device 1
It can realize the performing leak test of multiple sleeves 6, save cost, while also save memory space.
Further, after the completion of performing leak test, by the way that the pressure release plug 4 is laid down from the relief hole, to set
Pressure release after cylinder 6 carries out slow pressure release or the pressure device 1, high pressure line 2 are dismantled.
Further, in the above-described embodiments, the sleeve 6 can realize the performing leak test under 50-120Mpa pressure,
User can be pressurized to required pressure into sleeve 6 as needed, meanwhile, more accurate leakproofness in order to obtain, user
The dwell time can suitably be increased as needed.
Further, in the above-described embodiments, the pressure device can also be aqueous medium, i.e., to the sleeve for filling water
Water is inside suppressed, increases sleeve force due to centrifugal action.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of positive seal system safety testing device, which is characterized in that including sleeve (6), seal nipple (5), pressure device (1) and
Quick coupling (7), the sleeve (6) include sealed end (61) and openend (62), the seal nipple (5) and the sleeve
(6) openend (62) is threadedly coupled, and the pressure device (1) is arranged on the seal nipple (5) by quick coupling (7)
On, pressure valve (8) is provided on the quick coupling (7), pressure gauge (3) is provided on the seal nipple (5).
2. positive seal system safety testing device according to claim 1, which is characterized in that the openend of the sleeve (6)
(62) external screw thread is provided on, the internal thread coordinated with the external screw thread is provided on the seal nipple (5).
3. positive seal system safety testing device according to claim 1 or 2, which is characterized in that the seal nipple (5) and institute
It states and is provided with sealing ring between openend (62).
4. positive seal system safety testing device according to claim 3, which is characterized in that also set on the seal nipple (5)
Relief hole is equipped with, pressure release plug (4) is installed on the relief hole.
5. positive seal system safety testing device according to claim 4, which is characterized in that the pressure release plug (4) with it is described
It is threadedly coupled between relief hole.
6. positive seal system safety testing device according to claim 3, which is characterized in that on the seal nipple (5) and institute
State openend (62) front of motor be provided with convenient for lifting carry silk (9).
7. positive seal system safety testing device according to claim 1, which is characterized in that described device further includes high pressure line
(2), the pressure device (1) is connect by the high pressure line (2) with the quick coupling (7).
8. positive seal system safety testing device according to claim 1, which is characterized in that the compressive region of the sleeve (6)
For 50-120Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641546.0U CN207600692U (en) | 2017-11-30 | 2017-11-30 | A kind of positive seal system safety testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641546.0U CN207600692U (en) | 2017-11-30 | 2017-11-30 | A kind of positive seal system safety testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600692U true CN207600692U (en) | 2018-07-10 |
Family
ID=62762003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721641546.0U Expired - Fee Related CN207600692U (en) | 2017-11-30 | 2017-11-30 | A kind of positive seal system safety testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207600692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748042A (en) * | 2017-11-30 | 2018-03-02 | 贝兹维仪器(苏州)有限公司 | A kind of positive seal system safety testing device |
-
2017
- 2017-11-30 CN CN201721641546.0U patent/CN207600692U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748042A (en) * | 2017-11-30 | 2018-03-02 | 贝兹维仪器(苏州)有限公司 | A kind of positive seal system safety testing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20201130 |