CN205027497U - Double mechanical seal device sealing performance detects instrument - Google Patents
Double mechanical seal device sealing performance detects instrument Download PDFInfo
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- CN205027497U CN205027497U CN201520749046.3U CN201520749046U CN205027497U CN 205027497 U CN205027497 U CN 205027497U CN 201520749046 U CN201520749046 U CN 201520749046U CN 205027497 U CN205027497 U CN 205027497U
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Abstract
The utility model discloses a double mechanical seal device sealing performance detects instrument belongs to mechanical maintenance technical field. This sealing performance measuring instrument includes: pressure device, connecting pipe, control valve, pressure indicating device, an adapting unit and the 2nd adapting unit, pressure device, connecting pipe and control valve are connected in order, the 2nd adapting unit's one end and control valve bond, the 2nd adapting unit's the other end is used for being connected with the seal fluid outlet of double mechanical seal device, an adapting unit's one end and pressure indicating device are connected, and an adapting unit's the other end is used for the sealed liquid access connection with the double mechanical seal device. It can detect its sealing performance before the installation of double mechanical seal device to utilize this sealing performance to detect the instrument, in time pinpoints the problems, does over again after avoiding installing.
Description
Technical field
The utility model relates to flight-line maintenance technical field, particularly a kind of double end-face mechanical sealing device sealing property testing tool.
Background technology
Double end-face mechanical sealing device is a kind of by keeping under hydrodynamic pressure and the effect of compensation mechanism elastic force and the cooperation of auxiliary seal perpendicular to the end face of rotation fitting and relative sliding and the packoff of anti-fluid leakage that forms.Double end-face mechanical sealing device has twice butt-end packing, good sealing effect, is widely used in the sealing of the various high-risk medium pump of petroleum chemical industry.
Realizing in process of the present utility model, designer finds that prior art at least exists following problem: due to double end-face mechanical sealing device complicated structure, may make a fault in the link such as processing and manufacturing or transport and cause sealing property problem, and Problems existing when can only use after being installed by double end-face mechanical sealing device at present, could be found, thus cause doing over again, not only there is potential safety hazard, also can cause the waste of human and material resources.
Utility model content
In order to solve above-mentioned technical matters, the utility model provides a kind of double end-face mechanical sealing device sealing property testing tool detected its sealing property before double end-face mechanical sealing device is installed.
Specifically, following technical scheme is comprised:
A kind of double end-face mechanical sealing device sealing property testing tool, sealing capabilities detection tools comprises: pressue device, connecting pipe, operation valve, pressure-indication means, the first link and the second link; Described pressue device, connecting pipe and operation valve connect in turn; One end of described second link is connected with described operation valve, and the other end of described second link is used for being connected with the seal fluid outlet of double end-face mechanical sealing device; One end of described first link is connected with described pressure-indication means, and the other end of described first link is used for being connected with the sealing liquid import of described double end-face mechanical sealing device.
Preferably, described pressue device is inflating pump or electric pressuring pump.
Preferably, described pressure-indication means is tensimeter.
Preferably, described connecting pipe is rubber tube or plastic tube.
Further, described first link comprises short Threaded Connector Coupling and pipe collar.
Further, described second link is short Threaded Connector Coupling.
The beneficial effect of the technical scheme that the utility model embodiment provides:
Before double end-face mechanical sealing device is installed, pressure-indication means is arranged in the sealing liquid import of double end-face mechanical sealing device, is arranged on the seal fluid outlet of double end-face mechanical sealing device after pressue device, connecting pipe and operation valve are connected.Pressue device is utilized to apply pressure to double end-face mechanical sealing device inside, closed control valve after the pressure of double end-face mechanical sealing device inside reaches certain numerical value.Observe pressure-indication means reading, if pressure-indication means reading reduces, then show the double end-face mechanical sealing device existing problems be detected.Utilize sealing capabilities detection tools can detect its sealing property before double end-face mechanical sealing device is installed, Timeliness coverage problem, does over again after avoiding installation, saves material and cost of labor.Sealing capabilities detection tools structure is simple, easy to operate, is applicable to detect the sealing property of the double end-face mechanical sealing device of various high-risk medium pump.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the double end-face mechanical sealing device sealing property testing tool that Fig. 1 provides for the utility model embodiment.
In figure, Reference numeral represents respectively:
1, pressue device; 2, connecting pipe; 3, operation valve; 4, pressure-indication means;
5, the first link; 6, the second link;
7, double end-face mechanical sealing device; 701, sealing liquid import; 702, seal fluid outlet.
Embodiment
For making the technical solution of the utility model and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
The utility model embodiment provides a kind of double end-face mechanical sealing device sealing property testing tool, see Fig. 1, sealing capabilities detection tools comprises: pressue device 1, connecting pipe 2, operation valve 3, pressure-indication means 4, first link 5 and the second link 6; Pressue device 1, connecting pipe 2 and operation valve 3 connect in turn; One end of second link 6 is connected with operation valve 3, and the other end of the second link 6 is used for being connected with the seal fluid outlet of double end-face mechanical sealing device; One end of first link 5 is connected with pressure-indication means 4, and the other end of the first link 5 is used for being connected with the sealing liquid import of double end-face mechanical sealing device.
For the double end-face mechanical sealing device 7 shown in Fig. 1, the principle of work of sealing capabilities detection tools is: before double end-face mechanical sealing device 7 is installed, pressure-indication means 4 is connected with the sealing liquid import 701 of double end-face mechanical sealing device 7 by the first link 5, is connected with the seal fluid outlet 702 of double end-face mechanical sealing device 7 by the second link 6 after pressue device 1, connecting pipe 2 and operation valve 3 are connected.Utilize pressue device 1 to apply pressure to double end-face mechanical sealing device 7 inside, after the pressure of double end-face mechanical sealing device 7 inside reaches certain numerical value (such as 0.3MPa), stop pressurization and closed control valve 3.Judge whether double end-face mechanical sealing device 7 exists the problem of leakage by the reading of pressure-indication means 4.If the reading of pressure-indication means 4 does not change, then the favorable sealing property of detected double end-face mechanical sealing device 7 is described, does not have problems; If pressure-indication means reading reduces, then illustrate that detected double end-face mechanical sealing device 7 has problems.Can be immersed in a certain amount of clear water by in-problem double end-face mechanical sealing device 7, leak has bubble and overflows, and can be found out the position of leakage by the position observing bubble.
The sealing property testing tool utilizing the utility model embodiment to provide can detect its sealing property before double end-face mechanical sealing device 7 is installed, and Timeliness coverage problem is also repaired, and does over again after avoiding installation, saves material and cost of labor.Sealing capabilities detection tools structure is simple, easy to operate, is applicable to detect the sealing property of the double end-face mechanical sealing device of the high-risk medium pump of all kinds.
In above-mentioned sealing property testing tool, the concrete form of pressue device 1 does not have strict restriction, this area routine techniques means, as long as can carry the air of certain pressure in the annular seal space of double end-face mechanical sealing device 7.Can be such as hand-operated air pump or electric pressuring pump.From the viewpoint of simple operation, preferred manual inflating pump.
In above-mentioned sealing property testing tool, the concrete form of pressure-indication means 4 does not have strict restriction yet, the device for showing pressure value that this area is commonly used, the tensimeter that can show for pointer or the Instrument for Pressure of numerical monitor.
In above-mentioned sealing property testing tool, connecting pipe 2 should adopt the tubing with certain voltage endurance capability, such as rubber tube or plastic tube etc.
In above-mentioned sealing property testing tool, the concrete form of the first link 5 and the second link 6 does not have strict restriction equally, as long as can match with double end-face mechanical sealing device 7 sealing liquid import 701, liquid outlet 702, operation valve 3 and pressure-indication means 4.When pressure-indication means 4 is tensimeter, the first link 5 can adopt the form of short Threaded Connector Coupling and pipe collar combination.The external thread of short Threaded Connector Coupling is connected with the internal thread at double end-face mechanical sealing device 7 sealing liquid import 701 place, and the internal thread of pipe collar is connected with the external thread of short Threaded Connector Coupling, and manometric external thread is connected with the internal thread of pipe collar.Second link 6 can be short Threaded Connector Coupling.In order to prevent due to testing tool gas leakage itself, the testing result that causes is inaccurate, can be wound around raw material band to ensure sealing effectiveness on short Threaded Connector Coupling.
The above is only understand the technical solution of the utility model for the ease of those skilled in the art, not in order to limit the utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a double end-face mechanical sealing device sealing property testing tool, it is characterized in that, described sealing property testing tool comprises: pressue device (1), connecting pipe (2), operation valve (3), pressure-indication means (4), the first link (5) and the second link (6);
Described pressue device (1), connecting pipe (2) and operation valve (3) connect in turn;
One end of described second link (6) is connected with described operation valve (3), and the other end of described second link (6) is used for being connected with the seal fluid outlet of described double end-face mechanical sealing device;
One end of described first link (5) is connected with described pressure-indication means (4), and the other end of described first link (5) is used for being connected with the sealing liquid import of described double end-face mechanical sealing device.
2. sealing property testing tool according to claim 1, is characterized in that, described pressue device (1) is inflating pump or electric pressuring pump.
3. sealing property testing tool according to claim 1, is characterized in that, described pressure-indication means (4) is tensimeter.
4. sealing property testing tool according to claim 1, is characterized in that, described connecting pipe (2) is rubber tube or plastic tube.
5. sealing property testing tool according to claim 1, is characterized in that, described first link (5) comprises short Threaded Connector Coupling and pipe collar.
6. sealing property testing tool according to claim 1, is characterized in that, described second link (6) is short Threaded Connector Coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749046.3U CN205027497U (en) | 2015-09-24 | 2015-09-24 | Double mechanical seal device sealing performance detects instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749046.3U CN205027497U (en) | 2015-09-24 | 2015-09-24 | Double mechanical seal device sealing performance detects instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205027497U true CN205027497U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520749046.3U Active CN205027497U (en) | 2015-09-24 | 2015-09-24 | Double mechanical seal device sealing performance detects instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205027497U (en) |
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2015
- 2015-09-24 CN CN201520749046.3U patent/CN205027497U/en active Active
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