CN217331530U - Mechanical seal pressurized-water testing device - Google Patents
Mechanical seal pressurized-water testing device Download PDFInfo
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- CN217331530U CN217331530U CN202220883932.5U CN202220883932U CN217331530U CN 217331530 U CN217331530 U CN 217331530U CN 202220883932 U CN202220883932 U CN 202220883932U CN 217331530 U CN217331530 U CN 217331530U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The application provides a mechanical seal pressurized-water testing arrangement, including sealed lid and pressurized-water base, sealed lid is used for treating the opening formation seal of the mechanical seal's that detects upper end structure, wherein, mechanical seal's outside middle part has annular extension, annular extension's lower terminal surface with pressurized-water base forms sealedly, annular extension has a plurality of bolt holes, and the terminal surface passes through the bolt-up under pressurized-water base and the annular extension, and pressurized-water base's lateral wall lower extreme has the inlet opening, and the inlet opening passes through the pipe intercommunication with the pressure testing pump. The mechanical seal pressurized-water testing device is simple, small in size, easy to carry, low in cost, free of occupying a fixed field when the sealing performance of the mechanical seal is tested, capable of directly testing on a working site, and capable of being properly changed and adjusted according to actual requirements to match mechanical seals of different models.
Description
Technical Field
The application belongs to the field of mechanical seal leakage testing equipment, and particularly relates to a mechanical seal pressurized-water testing device.
Background
The water pump mechanical seal pressurized-water testing device has certain limitation when in use.
On one hand, when the tightness of the mechanical sealing device of the water pump is detected, the mechanical sealing pressurized water testing device of the water pump, which is used for detecting the tightness, is generally only equipped by professional manufacturers; on the other hand, the equipment is complex and large in size, and a fixed field is required during testing; it is inconvenient to perform the tightness test of the mechanical seal, which is laborious and time-consuming.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, the application provides a mechanical seal pressurized-water testing arrangement, after carrying out mechanical seal maintenance, can be portable simple carry out the mechanical seal pressurized-water test, quick inspection mechanical seal's sealing performance.
In order to achieve the purpose, the technical scheme of the application is as follows:
the utility model provides a mechanical seal pressurized-water testing arrangement which characterized in that includes: a sealing cover and a water pressing base;
the sealing cover is used for sealing an opening part of an upper end structure of the mechanical seal to be detected; the middle part of the outer side of the mechanical seal is an annular extending part, the lower end face of the annular extending part and the water pressing base form seal, and the annular extending part is provided with a plurality of bolt holes;
the water pressing base is provided with a first accommodating cavity, an opening at the top and a water inlet hole; the first accommodating cavity is communicated with the outside through the top opening; the top opening is used for accommodating a lower end structure below the lower end face in the mechanical seal into the first accommodating cavity; the top surface of the top opening is annular, the top surface is provided with a plurality of bolt holes, and the bolt holes of the top surface are used for being fixedly connected with the bolt holes of the annular protruding part of the mechanical seal through bolts; the inlet opening is used for connecting a pressure test pump, and the pressure test pump is provided with a pressure gauge.
In a possible implementation manner, the pressurized water base is of a cylindrical structure with a closed bottom end.
In one possible implementation, the water inlet hole is located at the lower end of the side wall of the cylindrical structure.
In a possible realization the sealing cap comprises an upper cylindrical portion and a lower cylindrical portion, the diameter of the lower cylindrical portion being smaller than the diameter of the upper cylindrical portion; the outer diameter of the lower cylindrical part is matched with the inner diameter of an opening part of the mechanical seal and is used for being embedded in the opening part to form sealing.
In one possible implementation, the upper cylindrical portion is disposed above an opening portion of an upper end structure of the mechanical seal to seal the opening portion.
In one possible implementation, the sealing cap forms a seal with the mechanical seal by means of an annular sealing ring.
In a possible implementation manner, the testing device further comprises a pressure testing pump, and the pressure testing pump is communicated with the water inlet hole through a pipeline.
In one possible implementation, the mechanical seal is a cartridge mechanical seal.
In one possible implementation manner, the method further includes: the bolt and the sealing flat washer; the contact surface of the annular protruding part and the bolt is provided with the sealing flat gasket.
Compared with the prior art, the application has at least the following beneficial technical effects:
(1) the sealing cover and the upper end structure of the mechanical seal form sealing, the pressurized-water base and the lower end structure of the mechanical seal form sealing, and the mechanical seal pressurized-water testing device forms a completely sealed structure.
(2) The mechanical seal pressurized-water testing device is simple, small in size and easy to carry, fixed sites do not need to be occupied when the sealing performance of mechanical seal is tested, the mechanical seal pressurized-water testing device can be directly tested on a working site, time and labor are saved, outward conveying detection is not needed, therefore, the problem that mechanical seal is damaged due to bumping in transportation is avoided, and the detection process cannot change and damage mechanical seal.
(3) The mechanical seal pressurized-water testing device is simple in design and low in cost, and can be appropriately changed in design size according to actual requirements to match the container type mechanical seals of different models.
(4) The mechanical seal water-pressing testing device provides a simple and rapid testing method for mechanical seal using units, the sealing performance of the mechanical seal can be tested without returning equipment to a factory, and the mechanical seal water-pressing testing device has a wide market application prospect.
Drawings
FIG. 1 is a schematic diagram of an internal structure of a mechanical seal water pressure testing device provided by an embodiment of the present application;
FIG. 2 is a schematic top view of an annular projection of a mechanical seal provided in an embodiment of the present application;
FIG. 3 is a schematic bottom view of a seal cap according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of an assembled state of a pressurized water testing device of a mechanical seal and the mechanical seal provided by an embodiment of the present application;
FIG. 5 is a schematic diagram illustrating an effect of a mechanical seal pressurized-water testing device provided by an embodiment of the present application in a disassembled state with a mechanical seal;
fig. 6 is a schematic structural diagram of a sealing cover provided in an embodiment of the present application.
In the figure: 1. a sealing cover; 2. mechanical sealing; 21. an upper end structure; 22. a lower end structure; 23. an annular protrusion; 3. a bolt; 4. a sealing flat gasket; 5. pressurized-water base, 6, inlet opening, 7, first holding chamber.
Detailed Description
To facilitate an understanding of the present invention, various embodiments defined by the claims of the present invention will be described more fully hereinafter with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is understood that the same is by way of example only and is not to be taken by way of limitation. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
Example 1
As shown in fig. 1, an embodiment of the present application provides a mechanical seal water pressure testing apparatus, including: a sealing cover 1 and a water pressing base 5;
the sealing cover 1 is used for sealing the opening part of the upper end structure 21 of the mechanical seal 2 to be detected; the middle part of the outer side of the mechanical seal 2 is provided with an annular protruding part 23, the lower end face of the annular protruding part 23 forms seal with the water pressing base 5, and the annular protruding part 23 is provided with a plurality of bolt holes;
the water pressing base 5 is provided with a first accommodating cavity 7, an opening at the top and a water inlet hole 6; wherein the first accommodating cavity 7 is communicated with the outside through the top opening; the top opening is used for accommodating a lower end structure 22 below the lower end surface in the mechanical seal 2 into the first accommodating cavity 7; the top surface with the top opening is annular and is provided with a plurality of bolt holes, and the bolt holes on the top surface are used for being fixedly connected with the bolt holes of the annular extension part 23 of the mechanical seal 2 through bolts 3; the inlet opening 6 is used for connecting a pressure test pump (not shown in the figure) which is provided with a pressure gauge.
Referring to fig. 2, in the present embodiment, the annular protrusion 23 has 4 bolt holes.
In one example, the pressurized water base 5 is a cylindrical structure with a closed bottom end.
In one example, the water inlet opening 6 is located at the lower end of the side wall of the cylindrical structure.
Referring to fig. 3-6, in one example, the seal cap 1 includes an upper cylindrical portion and a lower cylindrical portion, the lower cylindrical portion having a diameter smaller than the diameter of the upper cylindrical portion; the outer diameter of the lower cylindrical part is matched with the inner diameter of an opening part of the mechanical seal and is used for being embedded in the opening part to form sealing.
In one example, the upper cylindrical part is used for overlapping the upper part of the opening part of the upper end structure 21 of the mechanical seal 2 to seal the opening part; the section of the sealing cover 1 is T-shaped.
In one example, the seal cap 1 forms a seal with the mechanical seal 2 via an annular seal ring.
In the embodiment of the present application, when the upper cylindrical portion is set on the upper portion of the opening portion of the upper end structure of the mechanical seal, the annular seal ring is located on the contact surface between the upper end structure of the mechanical seal and the upper cylindrical portion.
In this embodiment, when the lower cylindrical portion is embedded in the opening portion, the annular sealing ring is located on a contact surface between an inner side wall of the opening portion of the upper end structure of the mechanical seal and the lower cylindrical portion.
In the embodiment of the application, the annular sealing ring can be arranged inside the opening part of the upper end structure of the mechanical seal to form a seal with the lower cylindrical part of the sealing cover; the annular sealing ring can also be arranged at the bottom of the lower end structure of the mechanical seal, so that the lower cylindrical part of the sealing cover is abutted against the bottom of the lower end structure through the annular sealing ring to form sealing.
In one example, the testing device further comprises a pressure test pump, and the pressure test pump is communicated with the water inlet hole 6 through a pipeline.
In one example, the mechanical seal 2 is a cartridge type mechanical seal.
In the embodiment of the application, the diameter of the first accommodating cavity of the water pressing base is larger than the outer diameter of the lower end structure of the mechanical seal; the top of the water pressing base is matched with the diameter of the annular extension part of the mechanical seal, so that the water pressing base and the annular extension part of the mechanical seal form a seal; the outer diameter of the lower cylinder is matched with the inner diameter of the mechanical seal of the lower end structure of the mechanical seal.
In the embodiment of the application, the inner diameter of the water pressing base can be larger than or equal to the outer diameter of the lower end structure of the mechanical seal, and the outer diameter of the annular protrusion can be larger than or equal to the outer diameter of the water pressing base, so that the erected assembling relation and the seal of the lower end structure are realized.
In the embodiment of the present application, the size of the sealing cover 1 and the size of the pumping base 5 may be adjusted according to different sizes of mechanical seals, which is not limited in the present application.
In the embodiment of the application, the diameter of the upper cylindrical part of the sealing cover can be 120mm, the diameter of the lower cylindrical part of the sealing cover is matched with the inner diameter of the mechanical seal, and can be 100mm, and the outer diameter of the water pressing base can be 200 mm. The mechanical seal pressurized-water testing device provided by the embodiment of the application can be tested when a user holds the device without occupying a special field.
In one example, further comprising: the bolt 3 and the sealing flat washer 4; the contact surface of the annular protruding part 23 and the bolt 3 is provided with the sealing flat gasket 4.
When a test is needed, the sealing cover 1 is firstly installed at the top of the mechanical seal 2 to seal the mechanical seal 2, then the lower end structure 22 of the mechanical seal 2 is placed in the first accommodating cavity 7 of the pressurized water base 5, the annular extending part 23 of the mechanical seal 2 and the top surface of the pressurized water base 5 are fixed through the bolt 3, finally the pressure test pump is filled with water and is communicated with the water inlet hole 6 of the pressurized water base 5 through a pipe, the pressure test pump handle is pressed to pressurize the mechanical seal, the pressurization is stopped when the pressure of the pressure test pump pressure gauge indicates that the pressure reaches the test pressure, whether the mechanical seal leaks liquid can be observed, and if no liquid leaks, the sealing performance of the mechanical seal is qualified; the pressure gauge on the pressure test pump can be observed, and if the indication number of the pressure gauge is still the test pressure value, the sealing performance of the mechanical seal is qualified.
Compared with the prior art, the application has at least the following beneficial technical effects:
(1) the sealing cover and the upper end structure of the mechanical seal form sealing, the pressurized-water base and the lower end structure of the mechanical seal form sealing, and the mechanical seal pressurized-water testing device forms a completely sealed structure.
(2) The mechanical seal pressurized-water testing device is simple, small in size and easy to carry, fixed sites do not need to be occupied when the sealing performance of mechanical seal is tested, the mechanical seal pressurized-water testing device can be directly tested on a working site, time and labor are saved, outward conveying detection is not needed, therefore, the problem that mechanical seal is damaged due to bumping in transportation is avoided, and the detection process cannot change and damage mechanical seal.
(3) The utility model provides a pressurized-water testing arrangement of mechanical seal designs simply, the cost is lower, can suitably change the design size according to the actual demand, matches the collection dress formula mechanical seal of different models.
(4) The mechanical seal water-pressing testing device provides a simple and rapid testing method for mechanical seal using units, the sealing performance of the mechanical seal can be tested without returning equipment to a factory, and the mechanical seal water-pressing testing device has a wide market application prospect.
It will be apparent to those skilled in the art that the description of the various embodiments of the invention is provided for purposes of illustration only and not for the purpose of limiting the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a mechanical seal pressurized-water testing arrangement which characterized in that includes: a sealing cover and a water pressing base;
the sealing cover is used for sealing an opening part of an upper end structure of the mechanical seal to be detected; the middle part of the outer side of the mechanical seal is provided with an annular extending part, the lower end face of the annular extending part and the water pressing base form seal, and the annular extending part is provided with a plurality of bolt holes;
the water pressing base is provided with a first accommodating cavity, an opening at the top and a water inlet hole; the first accommodating cavity is communicated with the outside through the top opening; the top opening is used for accommodating a lower end structure below the lower end face in the mechanical seal into the first accommodating cavity; the top surface of the top opening is annular, the top surface is provided with a plurality of bolt holes, and the bolt holes of the top surface are used for being fixedly connected with the bolt holes of the annular protruding part of the mechanical seal through bolts; the inlet opening is used for connecting a pressure test pump, and the pressure test pump is provided with a pressure gauge.
2. The mechanically-sealed pressurized-water testing device of claim 1, wherein the pressurized-water base is of a cylindrical structure with a closed bottom end.
3. The mechanically-sealed water pressurizing test device of claim 2, wherein the water inlet hole is formed in the lower end of the side wall of the cylindrical structure.
4. The mechanically-sealed pressurized-water testing device according to claim 1, wherein the sealing cover comprises an upper cylindrical portion and a lower cylindrical portion, and the diameter of the lower cylindrical portion is smaller than that of the upper cylindrical portion; the outer diameter of the lower cylindrical part is matched with the inner diameter of an opening part of the mechanical seal and is used for being embedded in the opening part to form sealing.
5. The mechanical seal water pressure testing device as recited in claim 4, wherein the upper cylindrical portion is overlapped on an upper portion of an opening portion of an upper end structure of the mechanical seal to seal the opening portion.
6. The mechanical seal water pressure testing device as recited in claim 4, wherein the sealing cover forms a seal with the mechanical seal through an annular sealing ring.
7. The mechanically-sealed pressurized-water testing device of claim 1, further comprising the pressure test pump, wherein the pressure test pump is communicated with the water inlet hole through a pipeline.
8. The mechanical seal water pressure testing device as claimed in claim 1, wherein the mechanical seal is a cartridge type mechanical seal.
9. The mechanical seal water pressure testing device according to claim 2, further comprising: the bolt and the sealing flat washer; the contact surface of the annular protruding part and the bolt is provided with the sealing flat gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220883932.5U CN217331530U (en) | 2022-04-18 | 2022-04-18 | Mechanical seal pressurized-water testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220883932.5U CN217331530U (en) | 2022-04-18 | 2022-04-18 | Mechanical seal pressurized-water testing device |
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| Publication Number | Publication Date |
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| CN217331530U true CN217331530U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220883932.5U Active CN217331530U (en) | 2022-04-18 | 2022-04-18 | Mechanical seal pressurized-water testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118130010A (en) * | 2024-05-08 | 2024-06-04 | 四川川钨硬质合金有限公司 | Sealing performance detection device for sealing ring |
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2022
- 2022-04-18 CN CN202220883932.5U patent/CN217331530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118130010A (en) * | 2024-05-08 | 2024-06-04 | 四川川钨硬质合金有限公司 | Sealing performance detection device for sealing ring |
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