CN209673292U - A kind of ball-valve sealing base test mould - Google Patents
A kind of ball-valve sealing base test mould Download PDFInfo
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- CN209673292U CN209673292U CN201920323898.4U CN201920323898U CN209673292U CN 209673292 U CN209673292 U CN 209673292U CN 201920323898 U CN201920323898 U CN 201920323898U CN 209673292 U CN209673292 U CN 209673292U
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- valve
- lower die
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Abstract
The utility model relates to a kind of ball-valve sealing bases to test mould, including upper die and lower die, the upper mold is used to simulate the sphere of full welding valve, is connected to the sphere installation end of valve component to be measured, the lower die is used to simulate the valve body of full welding valve, is connected to the valve body installation end of valve component to be measured；The mode being detachably connected is used to connect between the upper die and lower die so that the valve component to be measured to be fixed.The utility model can test valve component before valve assembles, and avoid adverse effect caused by Rewelding.
Description
Technical field
The utility model relates to ball valve sealing the field of test technology, more particularly to a kind of ball-valve sealing base test mould and its
Application method.
Background technique
The superiority and inferiority of valve seal performance can examine two indices: valve leakage out of steam system and valves leakage.The leakage usually said is just
It is that the medium conveyed is leaked to inside atmosphere by valve exterior components, fabrication hole；Interior leakage is exactly that valve seal is bad, valve
Quan Guanhou still has medium flow field downstream, is generally exactly to fit badly.
All-welded ball valve valve body has prevented fission using full welding whole design, the contour structures of valve body entirety from source
The issuable External leakage of formula valve.After the possibility for eliminating leakage, valve performance then depends on the leakproofness of valve component
Energy.
All-welded ball valve is widely used in the fields such as the underground utilities, natural gas transmission pipeline, voltage regulating station of gas.It
The Trunk Line of right gas long distance pipeline is mounted with a large amount of high-pressure heavy caliber all-welded, inside nominal diameter DN1000mm~
Between DN1400mm, Fig. 1 is the structure chart of a DN1400mm all-welded ball valve, it can be seen that its outer dimension is huge, weight
Also very huge.The test of all-welded ball valve valve component sealing performance is in valve processing, assembly, welding institute under normal conditions
There is process to carry out on whole deck valve door after the completion, in test once discovery valve component leaks, it is necessary first to machinery side
Formula cuts open valve body weld seam, and the disintegration of entire valve is checked.Valve component it is adjusted or trimming after assemble again, weld later
Valve body, test, whole process had both delayed duration and costly, but cannot be guaranteed second of valve component sealing performance
Test can be qualified, and valve body will also result in adverse effect to material property due to Rewelding.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of ball-valve sealing base test mould and its application methods, can
To test before valve assembly valve component, adverse effect caused by Rewelding is avoided.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of ball-valve sealing base test mould is provided,
Including upper die and lower die, the upper mold is used to simulate the sphere of full welding valve, is connected to the sphere installation end of valve component to be measured,
The lower die is used to simulate the valve body of full welding valve, is connected to the valve body installation end of valve component to be measured；The upper die and lower die
Between use the mode being detachably connected to connect so that the valve component to be measured to be fixed.
The edge of the upper mold is equipped with screw hole, and the joint face of the lower die and upper mold is equipped with mounting hole, the upper mold and
When lower die is connected with each other, the screw hole and mounting hole are located on same axis, have penetrated stud between the screw hole and mounting hole,
And it is realized and is fixed by nut.
Lifting lug is provided in the lower die.
Beneficial effect
Due to the adoption of the above technical solution, the utility model compared with prior art, has the following advantages that and accumulates
Pole effect: the utility model simulates the sphere of full welding valve by upper mold, and lower die simulates the valve body of all-welded ball valve, by valve seat group
Part is fixed among upper die and lower die, then by Stud connection upper die and lower die formed test mould, then will test mould be placed into it is close
It is tested on testing sealing machine, realizes the leakproofness and reliability for verifying valve component in advance, avoid Rewelding and cause
Adverse effect.The utility model is convenient for disassembly and assembly, can repeat to test to the sealing performance of valve component, due to being non-demolition
The design of property, had not only been saved the time, but also saved cost.The primary assembly that the utility model greatly improves all-welded ball valve is closed
Lattice rate, shortens the production cycle.
Detailed description of the invention
Fig. 1 is the structure chart of a DN1400mm all-welded ball valve；
Fig. 2 is the structural schematic diagram of the utility model.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
The embodiments of the present invention is related to a kind of ball-valve sealing base test mould, as shown in Figure 1, including upper mold 1 under
Mould 2, the upper mold 1 are used to simulate the sphere of full welding valve, are connected to the sphere installation end of valve component 3 to be measured, the lower die 2
For simulating the valve body of full welding valve, it is connected to the valve body installation end of valve component 3 to be measured；It is adopted between the upper mold 1 and lower die 2
It is connected with the mode being detachably connected the valve component 3 to be measured to be fixed.Wherein, upper mold 1 and valve component 3 to be measured
Joint face be designed to the sphere structure identical with valve component joint face to be measured of existing full welding valve, same lower die 2 and to
3 joint face of side valve holder assembly be designed to it is existing it is full welding valve valve body structure identical with valve component joint face to be measured, from
And enable to the simulation to sphere and valve body respectively of upper mold 1 and lower die 2.
The edge of the upper mold 1 is equipped with screw hole, and the joint face of the lower die 2 and upper mold 1 is equipped with mounting hole, the upper mold
1 and lower die 2 when being connected with each other, the screw hole and mounting hole are located on same axis, have penetrated between the screw hole and mounting hole
Stud 4, and realized and fixed by nut 5.It can be seen that can be realized the detachable of upper die and lower die by stud 4 and nut 5
Connection, entire mould of testing is convenient for disassembly and assembly, can repeat to test to the sealing performance of valve component, due to being nondestructive set
Meter, is not only saved the time, but also saved cost.
Entire ball-valve sealing base test mould is lifted in order to facilitate, present embodiment is provided in lower die 2
Four lifting lugs 6, can be facilitated by lifting lug, which will test mould, lifts to the test of progress sealing performance on valve testing machine.
The application method of the ball-valve sealing base test mould of present embodiment is as follows, specifically includes the following steps:
(1) upper mold is placed in the sphere installation end of valve component to be measured, the valve body that lower die is placed in valve component to be measured is pacified
Fill end；
(2) upper die and lower die are attached, so that forming test mould between valve component upper die and lower die to be measured；The step
In rapid, upper die and lower die can be attached by stud, mounting ear can also be set at the edge of upper die and lower die, pass through
Upper die and lower die are attached by the mode of connection mounting ear.
(3) it will test in mould integral hoisting to valve testing machine, the sealing performance for treating side valve holder assembly is tested.It should
Test can be completed directly on common valve testing machine, without being equipped with other toolings.If the sealing performance of valve component accords with
It closes and requires, then unclamp the stud for connecting upper film and lower die, the valve component after test is directly used in the full welding of actual production
Ball valve；If the sealing performance of valve component is undesirable, the stud for connecting upper film and lower die is unclamped, to the valve component
It is adjusted or repairs, then repeat above-mentioned steps and tested, until the sealing performance of valve component meets the requirements.
It is not difficult to find that the utility model simulates the sphere of full welding valve by upper mold, lower die simulates the valve of all-welded ball valve
Valve component is fixed among upper die and lower die by body, then forms test mould by Stud connection upper die and lower die, then will test
Mould is placed on Sealing tester and is tested, and realizes the leakproofness and reliability for verifying valve component in advance, avoids anti-
Adverse effect caused by multiple welding.The utility model is convenient for disassembly and assembly, can repeat to test to the sealing performance of valve component, by
Then nondestructive design, is not only saved the time, but also has saved cost.The utility model greatly improves all-welded ball valve
Assembly qualified rate, shortens the production cycle.
Claims (3)
1. a kind of ball-valve sealing base tests mould, including upper die and lower die, which is characterized in that the upper mold is for simulating full welding valve
Sphere, be connected to the sphere installation end of valve component to be measured, the lower die is used to simulate the valve body of full welding valve, be connected to
The valve body installation end of side valve holder assembly；The mode being detachably connected is used to connect to described to be measured between the upper die and lower die
Valve component is fixed.
2. ball-valve sealing base according to claim 1 tests mould, which is characterized in that the edge of the upper mold is equipped with screw hole,
The joint face of the lower die and upper mold is equipped with mounting hole, when the upper die and lower die are connected with each other, the screw hole and mounting hole
On same axis, stud is penetrated between the screw hole and mounting hole, and realize and fix by nut.
3. ball-valve sealing base according to claim 1 tests mould, which is characterized in that be provided with lifting lug in the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920323898.4U CN209673292U (en) | 2019-03-14 | 2019-03-14 | A kind of ball-valve sealing base test mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920323898.4U CN209673292U (en) | 2019-03-14 | 2019-03-14 | A kind of ball-valve sealing base test mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673292U true CN209673292U (en) | 2019-11-22 |
Family
ID=68571629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920323898.4U Active CN209673292U (en) | 2019-03-14 | 2019-03-14 | A kind of ball-valve sealing base test mould |
Country Status (1)
| Country | Link |
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| CN (1) | CN209673292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883614A (en) * | 2019-03-14 | 2019-06-14 | 上海市特种设备监督检验技术研究院 | A kind of ball-valve sealing base test mould and application method |
| CN111811809A (en) * | 2020-07-14 | 2020-10-23 | 首都航天机械有限公司 | Quality control method for valve seat assembly |
-
2019
- 2019-03-14 CN CN201920323898.4U patent/CN209673292U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883614A (en) * | 2019-03-14 | 2019-06-14 | 上海市特种设备监督检验技术研究院 | A kind of ball-valve sealing base test mould and application method |
| CN109883614B (en) * | 2019-03-14 | 2024-02-27 | 上海市特种设备监督检验技术研究院 | Ball valve sealing seat test die and use method |
| CN111811809A (en) * | 2020-07-14 | 2020-10-23 | 首都航天机械有限公司 | Quality control method for valve seat assembly |
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