CN201673024U - Simple valve pressure test device - Google Patents
Simple valve pressure test device Download PDFInfo
- Publication number
- CN201673024U CN201673024U CN 201020195937 CN201020195937U CN201673024U CN 201673024 U CN201673024 U CN 201673024U CN 201020195937 CN201020195937 CN 201020195937 CN 201020195937 U CN201020195937 U CN 201020195937U CN 201673024 U CN201673024 U CN 201673024U
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- CN
- China
- Prior art keywords
- pressure testing
- blind flange
- support
- testing blind
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to the field of valve pressure test, in particular to a low and middle pressure simple valve pressure test device. The device is characterized in that: the upper end and the lower end of a support are provided with openings; the upper end opening of the support is a shaft sleeve matched with a screw rod; the screw rod and the shaft sleeve at the upper end of the support are in threaded connection, and the lower end of the screw rod and an upper fixing plate are fixedly connected through a central slot of the upper fixing plate; the lower end of the upper fixing plate is fixedly connected with the upper end of an upper pressure test blind plate through a bolt; and the lower end opening of the support is internally and fixedly connected with a lower fixing plate, and the upper end of the lower fixing plate and the lower end of the lower pressure test blind plate are fixedly connected through a bolt. The device is simple in structure, capable of conducting strength test and seal test on a measured valve and applicable to the pressure test of valves with various sizes.
Description
Technical field
The utility model relates to valve pressure testing field, the simple and easy valve pressure testing device of particularly a kind of mesolow.
Background technology
Constantly promote along with the sledge installing is equipped with on the oil field at present, the quality of valve directly influences the quality that the sledge installing is equipped with, and therefore the quality to valve should be rigid in checking up.Though valve manufacturing factory before dispatching from the factory has carried out strength test and seal (tightness)test, according to standard-required, applying unit tackles also that valve is inspected by random samples or inspection entirely.
The manufacturer checked by special-purpose pressure tester before valve dispatched from the factory, then there is not special pressure testing device in applying unit, applying unit is normally carried out pressure testing in the auxiliary pressure testing section of each prefabricated joint of supporting flange front end at valve two ends to valve, because the difference of valve nominal diameter and nominal pressure, the supporting flange size of different valves differs, therefore all must make two of different auxiliary pressure testing sections for the valve of every kind of nominal pressure and nominal diameter, mold kind and quantity are more, cost is big and be not easy to management, in the pressure testing process, also need whole device is carried out fixation, could guarantee pressure testing safety.
Summary of the invention
The purpose of this utility model is to overcome the defective that existing valve pressure testing device exists, a kind of simple and easy valve pressure testing device is provided, this apparatus structure is simple, can make a strength test and leakage test to tested valve, and applicable to the valve pressure testing of various sizes.
The technical scheme that its technical matters that solves the utility model adopts is: design a kind of simple and easy valve pressure testing device, it is characterized in that: on the support, there is opening at following two ends, the upper end open of support is the axle sleeve supporting with leading screw, screw mandrel and support upper end axle sleeve is by being threaded, fixedly connected by the upper mounted plate central channel with upper mounted plate in the lower end of screw mandrel, the lower end of upper mounted plate and the upper end of last PRESSURE TESTING BLIND FLANGE are bolted to connection, the lower ending opening internal fixation of support is connected with bottom plate, and the lower end of the upper end of bottom plate and following PRESSURE TESTING BLIND FLANGE is bolted to connection.
There is an air hole the described PRESSURE TESTING BLIND FLANGE inside of going up, and an end opening of air hole is positioned at the PRESSURE TESTING BLIND FLANGE lower end, and the other end opening of air hole is positioned at the sidepiece of PRESSURE TESTING BLIND FLANGE, and there is plug at the last PRESSURE TESTING BLIND FLANGE sidepiece end opening place of air hole.
The centre bit of described PRESSURE TESTING BLIND FLANGE down and bottom plate is equipped with through hole, and the through hole is fixedly connected with into water and tensimeter pipeline.
It is described that upward PRESSURE TESTING BLIND FLANGE is identical with following THICKNESS OF PRESSURE TESTING BLIND FLANGE.
Described going up between PRESSURE TESTING BLIND FLANGE and the valve flanges sealing surface has sealing gasket.
The upper end of described screw mandrel is fixed with handwheel.
The beneficial effects of the utility model are: therefore this device makes integral body that certain weight and intensity be arranged because support is arranged, and can guarantee valve pressure testing process safe; The rotation of screw mandrel has driven last PRESSURE TESTING BLIND FLANGE by upper mounted plate, has regulated the distance between the upper and lower PRESSURE TESTING BLIND FLANGE, therefore goes for the valve pressure testing of various models; Owing to be to connect, therefore can select the PRESSURE TESTING BLIND FLANGE of different-thickness and intensity between fixed head and the PRESSURE TESTING BLIND FLANGE according to the valve of different model by bolt.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is described further.
Fig. 1 is the utility model structural representation.
Among the figure: 1, handwheel; 2, screw mandrel; 3, upper mounted plate; 4, sealing gasket; 5, go up PRESSURE TESTING BLIND FLANGE; 6, valve; 7, support; 8, following PRESSURE TESTING BLIND FLANGE; 9, bottom plate; 10, water inlet and tensimeter pipeline, 11, air hole.
Embodiment
Embodiment 1: as shown in Figure 1, the agent structure of this valve pressure testing device is a support 7, and support 7 is channel-section steel supports, and certain weight and intensity are arranged, and can guarantee valve pressure testing process safe; The upper/lower terminal of support 7 all has opening, and the upper end open place of support 7 is welded with axle sleeve, and axle sleeve is an internal thread, the upper shaft external threading of support 7 and screw mandrel 2 couplings.
The upper end of screw mandrel 2 is fixed with handwheel 1, can regulate the upper-lower position of screw mandrel 2 behind the upper shaft external threading of screw mandrel 2 screw-in supports 7 by rotation hand wheel 1, form integrative-structure behind the band internal thread central recess of screw-in upper mounted plate 3 upper ends, screw mandrel 2 lower ends, upper mounted plate 3 has through hole, and the through hole correspondence position of going up after PRESSURE TESTING BLIND FLANGE 5 upper ends and 3 times end in contact of upper mounted plate has tapped blind hole, the through hole that passes upper mounted plate 3 by bolt screws in the blind hole that goes up PRESSURE TESTING BLIND FLANGE 5, upper mounted plate 3 and last PRESSURE TESTING BLIND FLANGE 5 are fixedly connected into as a whole structure, and this structure can select the last PRESSURE TESTING BLIND FLANGE 5 of different size to be fixed on the lower end of upper mounted plate 3 according to different tested valve 6.
There is an air hole 11 last PRESSURE TESTING BLIND FLANGE 5 inside, one end opening of air hole 11 is positioned at PRESSURE TESTING BLIND FLANGE 5 lower ends, the other end opening of air hole 11 is positioned at the sidepiece of PRESSURE TESTING BLIND FLANGE 5, air hole 11 opening parts that are positioned at PRESSURE TESTING BLIND FLANGE 5 sidepieces have individual plug, open plug when needing exhaust, load onto plug during pressure testing, the side mouth sealing is blocked.
Be welded with bottom plate 9 in the lower ending opening of support 7, the method of attachment of bottom plate 9 and following PRESSURE TESTING BLIND FLANGE 8 is identical with the method for attachment of upper mounted plate 3 and last PRESSURE TESTING BLIND FLANGE 5, all be to screw in the blind hole of PRESSURE TESTING BLIND FLANGE by the through hole that bolt passes fixed head, difference is that upper mounted plate 3 places PRESSURE TESTING BLIND FLANGE 5 upper ends, and bottom plate 9 places down PRESSURE TESTING BLIND FLANGE 8 lower ends.
Through hole is left in the center of following PRESSURE TESTING BLIND FLANGE 8, correspondence position after bottom plate 9 is connected in one with following PRESSURE TESTING BLIND FLANGE 8 also leaves through hole, this through hole is welded with into water and tensimeter pipeline 10, hole size is identical with water inlet and tensimeter pipeline 10 diameters, and water inlet of welding back and tensimeter pipeline 10 seal the through hole of bottom plate 9 with following PRESSURE TESTING BLIND FLANGE 8 fully.
Last PRESSURE TESTING BLIND FLANGE 5 is identical with following PRESSURE TESTING BLIND FLANGE 8 thickness, upper and lower PRESSURE TESTING BLIND FLANGE according to the different choice different-thickness of valve 6 nominal diameters and nominal pressure, because the blind hole in the upper and lower PRESSURE TESTING BLIND FLANGE has weakened the intensity of upper and lower PRESSURE TESTING BLIND FLANGE, therefore the net thickness of upper and lower PRESSURE TESTING BLIND FLANGE should be the thickness that removes behind its blind hole depth, and the upper and lower PRESSURE TESTING BLIND FLANGE that will meet thickness requirement connects into as a whole by bolt and upper and lower fixing plate respectively.
Embodiment 2: concrete pressure testing process can be divided into strength test and leakage test, wherein strength test is: by corresponding coupling requirement, the upper and lower PRESSURE TESTING BLIND FLANGE that selection meets thickness requirement connects into as a whole by bolt and upper and lower fixing plate respectively, the valve 6 two ends flanges of needs test are fixed between the upper and lower PRESSURE TESTING BLIND FLANGE, and seal by sealing gasket 4, increase test accuracy; Rotation hand wheel 1 then, makes valve 6 and upper and lower PRESSURE TESTING BLIND FLANGE compress; Air hole 11 plugs of last PRESSURE TESTING BLIND FLANGE 5 are opened, and water inlet and 10 pairs of tested valve 6 water-fillings of tensimeter pipeline in PRESSURE TESTING BLIND FLANGE 8 through holes under passing through, air are discharged from the air hole 11 of last PRESSURE TESTING BLIND FLANGE 5 in the tested valve 6; Load onto the plug of air hole 11 after water-filling is finished, the side mouth sealing is blocked, carry out pressure testing, test pressure is 1.5 times of nominal pressure on request, and the strength test of valve is finished in pressure release after the pressurize check passed examination.
Leakage test is: after the intensity pressure testing is finished, open the plug of air hole 11, and tested valve 6 is closed, do leakage test; Test pressure is a nominal pressure, and the impermeability test of valve is finished in pressure release after the pressurize check passed examination.
Claims (6)
1. simple and easy valve pressure testing device, it is characterized in that: on the support (7), there is opening at following two ends, the upper end open of support (7) is the axle sleeve supporting with leading screw, screw mandrel (2) and support (7) upper end axle sleeve is by being threaded, fixedly connected by upper mounted plate (3) central channel with upper mounted plate (3) in the lower end of screw mandrel (2), the upper end of the lower end of upper mounted plate (3) and last PRESSURE TESTING BLIND FLANGE (5) is bolted to connection, the lower ending opening internal fixation of support (7) is connected with bottom plate (9), and the lower end of the upper end of bottom plate (9) and following PRESSURE TESTING BLIND FLANGE (8) is bolted to connection.
2. simple and easy valve pressure testing device according to claim 1, it is characterized in that: there is an air hole (11) described PRESSURE TESTING BLIND FLANGE (5) inside of going up, one end opening of air hole (11) is positioned at PRESSURE TESTING BLIND FLANGE (5) lower end, the other end opening of air hole (11) is positioned at the sidepiece of PRESSURE TESTING BLIND FLANGE (5), and there is plug at last PRESSURE TESTING BLIND FLANGE (5) the sidepiece end opening place of air hole (11).
3. simple and easy valve pressure testing device according to claim 1 is characterized in that: the centre bit of described PRESSURE TESTING BLIND FLANGE (8) down and bottom plate (9) is equipped with through hole, and the through hole is fixedly connected with into water and tensimeter pipeline (10).
4. simple and easy valve pressure testing device according to claim 1 is characterized in that: described upward PRESSURE TESTING BLIND FLANGE (5) is identical with following PRESSURE TESTING BLIND FLANGE (8) thickness.
5. simple and easy valve pressure testing device according to claim 1 is characterized in that: described going up between PRESSURE TESTING BLIND FLANGE (5) and the valve flanges sealing surface has sealing gasket (4).
6. simple and easy valve pressure testing device according to claim 1 is characterized in that: the upper end of described screw mandrel (2) is fixed with handwheel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020195937 CN201673024U (en) | 2010-05-19 | 2010-05-19 | Simple valve pressure test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020195937 CN201673024U (en) | 2010-05-19 | 2010-05-19 | Simple valve pressure test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673024U true CN201673024U (en) | 2010-12-15 |
Family
ID=43330436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020195937 Expired - Fee Related CN201673024U (en) | 2010-05-19 | 2010-05-19 | Simple valve pressure test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673024U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928796A (en) * | 2016-07-15 | 2016-09-07 | 兰州兰石重型装备股份有限公司 | Thermowell pressure test buffering tool and use method thereof |
| CN108426683A (en) * | 2018-04-20 | 2018-08-21 | 开封空分集团有限公司 | Mesolow angie type welds shut-off valve pressure testing device |
| CN116296148A (en) * | 2023-05-23 | 2023-06-23 | 杭州富阳富恒仪表阀门有限公司 | Automatic valve tightness detection equipment |
-
2010
- 2010-05-19 CN CN 201020195937 patent/CN201673024U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928796A (en) * | 2016-07-15 | 2016-09-07 | 兰州兰石重型装备股份有限公司 | Thermowell pressure test buffering tool and use method thereof |
| CN108426683A (en) * | 2018-04-20 | 2018-08-21 | 开封空分集团有限公司 | Mesolow angie type welds shut-off valve pressure testing device |
| CN116296148A (en) * | 2023-05-23 | 2023-06-23 | 杭州富阳富恒仪表阀门有限公司 | Automatic valve tightness detection equipment |
| CN116296148B (en) * | 2023-05-23 | 2023-08-29 | 杭州富阳富恒仪表阀门有限公司 | Automatic valve tightness detection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20150519 |
|
| EXPY | Termination of patent right or utility model |