CN215065079U - Valve pressure test sealing tool - Google Patents
Valve pressure test sealing tool Download PDFInfo
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- CN215065079U CN215065079U CN202121628736.5U CN202121628736U CN215065079U CN 215065079 U CN215065079 U CN 215065079U CN 202121628736 U CN202121628736 U CN 202121628736U CN 215065079 U CN215065079 U CN 215065079U
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Abstract
The utility model belongs to the technical field of valve pressure testing, a valve pressure testing sealing tool is related to, including hydraulic means, an upper fixed plate, a lower fixed platform and a pressure testing pipe, the top of the upper fixed plate is connected to the bottom of the hydraulic means, the bottom of the upper fixed plate is provided with an upper groove, an upper movable sealing plate is placed in the upper groove, the bottom of the upper movable sealing plate is provided with an upper sealing gasket, a lower fixed platform is arranged under the upper fixed plate, the top of the lower fixed platform corresponding to the upper sealing gasket is provided with a lower sealing gasket, a through hole is arranged on the lower fixed platform at the middle part of the inner side of the lower sealing gasket, one end of the pressure testing pipe passes through the through hole of the lower fixed platform, and the other end of the pressure testing pipe is externally connected with a pressure testing pump; the upper sealing gasket and the lower sealing gasket are both lead sealing gaskets. The utility model discloses do not need welding mode to connect the valve, do not influence the valve secondary and use, and the upper seal pad and the lower seal pad repeatedly usable, cost reduction.
Description
Technical Field
The utility model relates to a valve pressure testing seals frock belongs to valve pressure testing technical field.
Background
In the petrochemical industry, a valve is generally installed at a position where fluid passes through to change the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, non-return, shunt or overflow pressure relief and the like, so that the valve has an important function in the engineering of chemical engineering, petroleum, nuclear power and the like, a sealing test needs to be carried out on a connecting end of a welding type valve in actual production, whether air hole leakage exists in all welding seams or welding grooves of the valve is detected, in the prior art, the welding type valve is not provided with a flange connecting disc, sometimes the sealing test is carried out through welding connection, but the disassembly and the assembly of the mode are difficult, and the secondary use of the valve is influenced; sometimes, when the valve is subjected to pressure testing, the connecting end of the welding type valve is sealed by directly using the sealing gasket or the sealing ring, but the sealing gasket or the sealing ring can only be used once and cannot be reused, so that the detection cost is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the valve pressure test sealing tool is provided, the valve is not required to be connected in a welding mode, secondary use of the valve is not influenced, the upper sealing gasket and the lower sealing gasket can be repeatedly used, and cost is reduced.
The utility model discloses a valve pressure testing sealing tool, including hydraulic means, an upper fixed plate, lower fixed platform and pressure testing pipe, the top of an upper fixed plate is connected to the hydraulic means bottom, an upper groove is arranged at the bottom of the upper fixed plate, an upper movable sealing plate is placed in the upper groove, an upper sealing gasket is arranged at the bottom of the upper movable sealing plate, a lower fixed platform is arranged under the upper fixed plate, a lower sealing gasket is arranged at the top of the lower fixed platform corresponding to the upper sealing gasket, a through hole is arranged on the lower fixed platform at the middle part of the inner side of the lower sealing gasket, one end of the pressure testing pipe passes through the through hole of the lower fixed platform, and the other end of the pressure testing pipe is externally connected with a pressure testing pump; the upper sealing gasket and the lower sealing gasket are both lead sealing gaskets.
When the device is used, the lower sealing gasket is arranged on the lower fixed platform, the upper sealing gasket is arranged on the upper movable sealing plate, the sealing surface at the bottom of the valve to be tested is arranged on the lower sealing gasket, the upper movable sealing plate is arranged at the top of the valve to be tested, the upper sealing gasket of the upper movable sealing plate is contacted with the sealing surface at the top of the valve to be tested, then a pressure testing pipe enters the valve to be tested through the through hole of the lower fixed platform, a hydraulic device is started, the hydraulic device drives the upper fixed plate to descend, the upper movable sealing plate is clamped into the upper groove of the upper fixed plate, the valve to be tested is tightly pressed between the upper sealing gasket of the upper movable sealing plate and the lower sealing gasket of the lower fixed platform by the hydraulic device, the pressure testing pump sends water to the valve to be tested through the pressure testing pipe for pressurization (the pressure value is adjusted according to the pressure testing standard actually required by the valve to be tested), whether the valve to be tested has water seepage or not, and the valve to be tested is unqualified due to the water seepage, no water seepage indicates that the valve to be tested is qualified; so use the utility model discloses carry out the pressure testing to the valve that awaits measuring experimental, easy operation, detection efficiency is high, and the upper seal pad adopts the sealed suitability of plumbous sealing pad with lower seal pad to be strong, repeatedly usable, and efficiency improves.
Preferably, the bottom of the upper movable sealing plate is provided with a sealing groove, and an upper sealing gasket is arranged in the sealing groove. When the sealing device is used, the upper sealing gasket is heated by flame welding to be softened and flatly filled in the sealing groove.
Preferably, the top of the lower fixing platform is provided with a lower groove, and a lower sealing gasket is arranged in the lower groove. When the lower sealing gasket is used, the lower sealing gasket is heated by flame welding to be softened and flatly filled in the lower groove.
Preferably, the hydraulic device adopts a FCY-100100 type separate hydraulic jack.
Preferably, the pressure testing pipe on still be equipped with the manometer, use the utility model discloses when carrying out the pressure testing experiment to the valve that awaits measuring, can be through the audio-visual observation valve internal pressure that awaits measuring change of manometer to judge whether qualified valve.
Preferably, the top of the hydraulic device is fixed on a cross beam on the upper part of the fixed support, two ends of the cross beam on the upper part of the fixed support are respectively connected with two vertical beams, and the bottom of each vertical beam is fixed on the top of the lower fixed platform.
The utility model discloses prior art compares beneficial effect who has and is:
the utility model has the advantages of reasonable design, the sealed pad of upper seal and lower seal adopt the sealed pad of lead to seal welding type valve, and the leakproofness is good, and the suitability is strong, and only need heat the softening again to the sealed pad of upper seal and lower seal after a valve pressure testing is accomplished and level and continue to use, and reuse rate is high, practices thrift the cost. Use the utility model discloses when carrying out the pressure testing experiment to the valve that awaits measuring, compress tightly the valve back downwards through hydraulic means, through pressure testing pipe to the valve in water injection suppress, observe the change of valve internal pressure through the manometer to judge whether qualified, easy operation, detection efficiency is high.
Drawings
FIG. 1 is a schematic structural view of a valve pressure test sealing tool;
FIG. 2 is an enlarged schematic view of the upper movable sealing plate structure;
FIG. 3 is a sectional view taken along line A-A in FIG. 2;
fig. 4 is a schematic view of the structure of the utility model in use.
In the figure: 1. a pressure testing tube; 2. fixing a bracket; 3. a hydraulic device; 4. an upper groove; 5. an upper fixing plate; 6. a lower groove; 7. a lower fixed platform; 8. an upper movable sealing plate; 9. sealing the groove; 10. a valve; 11. an upper seal gasket; 12. A lower seal gasket; 13. and a pressure gauge.
Detailed Description
The invention is further described with reference to the accompanying drawings:
as shown in fig. 1-4, the valve pressure test sealing tool of the present invention comprises a hydraulic device 3, an upper fixing plate 5, a lower fixing platform 7 and a pressure test pipe 1, wherein the bottom of the hydraulic device 3 is connected to the top of the upper fixing plate 5, the bottom of the upper fixing plate 5 is provided with an upper groove 4, an upper movable sealing plate 8 is placed in the upper groove 4, the bottom of the upper movable sealing plate 8 is provided with an upper sealing pad 11, the lower fixing platform 7 is arranged under the upper fixing plate 5, the top of the lower fixing platform 7 corresponding to the upper sealing pad 11 is provided with a lower sealing pad 12, the lower fixing platform 7 at the middle part of the inner side of the lower sealing pad 12 is further provided with a through hole, one end of the pressure test pipe 1 passes through the through hole of the lower fixing platform 7, and the other end of the pressure test pipe 1 is externally connected with a pressure test pump; the upper sealing gasket 11 and the lower sealing gasket 12 are lead sealing gaskets.
In this embodiment:
the bottom of the upper movable sealing plate 8 is provided with a sealing groove 9, and an upper sealing gasket 11 is arranged in the sealing groove 9. When in use, the upper sealing gasket 11 is heated by welding to be softened and flatly filled in the sealing groove 9.
The top of the lower fixed platform 7 is provided with a lower groove 6, and a lower sealing gasket 12 is arranged in the lower groove 6. When in use, the lower sealing gasket 12 is heated by welding to be softened and flatly filled in the lower groove 6.
The hydraulic device 3 adopts a FCY-100100 type separating hydraulic jack.
Still be equipped with manometer 13 on the pressure test pipe 1, use the utility model discloses when carrying out the pressure testing to the valve 10 that awaits measuring, can be through the change of the 10 internal pressure of the visual observation valve 10 that awaits measuring of manometer 13 to judge whether the valve 10 that awaits measuring is qualified.
The top of the hydraulic device 3 is fixed on a cross beam on the upper part of the fixed support 2, two ends of the cross beam on the upper part of the fixed support 2 are respectively connected with two vertical beams, and the bottom of each vertical beam is fixed on the top of the lower fixed platform 7.
During the specific working process, firstly, the lower sealing gasket 12 is softened and flatly filled in the lower groove 6 of the lower fixed platform 7 in a flame welding heating mode, the upper sealing gasket 11 is softened and flatly filled in the sealing groove 9 of the upper movable sealing plate 8 in a flame welding heating mode, the sealing surface at the bottom of the valve 10 to be tested is placed on the lower sealing gasket 12, the upper movable sealing plate 8 is placed at the top of the valve 10 to be tested, and the upper sealing gasket 11 of the upper movable sealing plate 8 is made to contact the sealing surface at the top of the valve 10 to be tested; then, the pressure test tube 1 enters the valve to be tested 10 through the through hole of the lower fixing platform 7, the hydraulic device 3 is started, the hydraulic device 3 drives the upper fixing plate 5 to descend, the upper movable sealing plate 8 is clamped into the upper groove 4 of the upper fixing plate 5, the hydraulic device 3 tightly presses the valve to be tested 10 between the upper sealing gasket 11 of the upper movable sealing plate 8 and the lower sealing gasket 12 of the lower fixing platform 7, and the hydraulic device 3 is stopped; then, the pressure test pump sends water to the valve 10 to be tested through the pressure test tube 1 for pressurization (the pressure value is adjusted according to the pressure test pressure standard actually required by the valve 10 to be tested), whether the valve 10 to be tested has water seepage is observed, if the water seepage indicates that the sealing performance of the valve 10 to be tested is unqualified, and if the water seepage does not indicate that the sealing performance of the valve 10 to be tested is qualified; or after the valve 10 to be tested is kept stand for a certain time, observing whether the value of the pressure gauge 13 changes, if the value of the pressure gauge 13 does not change, the sealing performance of the valve 10 to be tested is qualified, and if the value of the pressure gauge 13 changes, the sealing performance of the valve 10 to be tested is unqualified. After the pressure test of the valve 10 to be tested is completed, the hydraulic device 3 is restarted, the hydraulic device 3 drives the upper fixing plate 5 to move upwards, the valve 10 to be tested is taken down, the upper sealing gasket 11 and the lower sealing gasket 12 are respectively reheated, softened and leveled, and then the next pressure test of the valve 10 to be tested is carried out.
Claims (6)
1. The utility model provides a frock is sealed in valve pressure testing which characterized in that: the device comprises a hydraulic device (3), an upper fixing plate (5), a lower fixing platform (7) and a pressure testing tube (1), wherein the bottom of the hydraulic device (3) is connected with the top of the upper fixing plate (5), an upper groove (4) is formed in the bottom of the upper fixing plate (5), an upper movable sealing plate (8) is placed in the upper groove (4), an upper sealing gasket (11) is arranged at the bottom of the upper movable sealing plate (8), the lower fixing platform (7) is arranged under the upper fixing plate (5), a lower sealing gasket (12) is arranged at the top of the lower fixing platform (7) corresponding to the upper sealing gasket (11), a through hole is further formed in the lower fixing platform (7) in the middle of the inner side of the lower sealing gasket (12), one end of the pressure testing tube (1) penetrates through the through hole of the lower fixing platform (7), and the other end of the pressure testing tube (1) is externally connected with a pressure testing pump; the upper sealing gasket (11) and the lower sealing gasket (12) are lead sealing gaskets.
2. The valve pressure test sealing tool of claim 1, characterized in that: the bottom of the upper movable sealing plate (8) is provided with a sealing groove (9), and an upper sealing gasket (11) is arranged in the sealing groove (9).
3. The valve pressure test sealing tool of claim 1, characterized in that: the top of the lower fixed platform (7) is provided with a lower groove (6), and a lower sealing gasket (12) is arranged in the lower groove (6).
4. The valve pressure test sealing tool of claim 1, characterized in that: the hydraulic device (3) adopts an FCY-100100 type separated hydraulic jack.
5. The valve pressure test sealing tool of claim 1, characterized in that: the pressure testing pipe (1) is also provided with a pressure gauge (13).
6. The valve pressure test sealing tool of claim 1, characterized in that: the top of the hydraulic device (3) is fixed on a cross beam at the upper part of the fixed support (2), two ends of the cross beam at the upper part of the fixed support (2) are respectively connected with two vertical beams, and the bottom of each vertical beam is fixed at the top of the lower fixed platform (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121628736.5U CN215065079U (en) | 2021-07-16 | 2021-07-16 | Valve pressure test sealing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121628736.5U CN215065079U (en) | 2021-07-16 | 2021-07-16 | Valve pressure test sealing tool |
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| Publication Number | Publication Date |
|---|---|
| CN215065079U true CN215065079U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121628736.5U Active CN215065079U (en) | 2021-07-16 | 2021-07-16 | Valve pressure test sealing tool |
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| Country | Link |
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| CN (1) | CN215065079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577414A (en) * | 2022-03-08 | 2022-06-03 | 苏州协同创新智能制造装备有限公司 | Pipeline control method of ball valve water injection detection device |
| CN114593880A (en) * | 2022-03-08 | 2022-06-07 | 苏州协同创新智能制造装备有限公司 | Double-station water injection detection method applied to ball valve |
-
2021
- 2021-07-16 CN CN202121628736.5U patent/CN215065079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577414A (en) * | 2022-03-08 | 2022-06-03 | 苏州协同创新智能制造装备有限公司 | Pipeline control method of ball valve water injection detection device |
| CN114593880A (en) * | 2022-03-08 | 2022-06-07 | 苏州协同创新智能制造装备有限公司 | Double-station water injection detection method applied to ball valve |
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