CN212482836U - Portable multipurpose valve pressure test device - Google Patents
Portable multipurpose valve pressure test device Download PDFInfo
- Publication number
- CN212482836U CN212482836U CN202021426395.9U CN202021426395U CN212482836U CN 212482836 U CN212482836 U CN 212482836U CN 202021426395 U CN202021426395 U CN 202021426395U CN 212482836 U CN212482836 U CN 212482836U
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- valve
- test
- pressure
- pressurize
- flange
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Abstract
The utility model discloses a portable multipurpose valve pressure test device, including last flange subassembly, lower flange subassembly, pressure test spare, clamping bolt, go up pressurize test valve, crossover sub, air water crimping head, lower pressurize test valve and bottom flange. The utility model discloses portable multipurpose valve pressure test device, press from both sides the required check out test set dress in the middle of last flange subassembly and lower flange subassembly after will maintaining, select atmospheric pressure still water pressure according to the required medium of seal test, when leaking in the valve after the maintenance detects, from last flange subassembly one side fill to the standard pressure after close pressurize test valve down, leak in detecting whether there is in last pressurize test valve position, when leaking outside needs to detect again, only need close the pressurize test valve, observe the manometer meter or cooperate the use of detecting leakage liquid can accomplish the detection of maintenance equipment, the device can strengthen the sealed inspection effect after the maintenance of equipment, the maintenance of avoiding appearing repeatability, reduce cost of maintenance.
Description
Technical Field
The utility model relates to a pressure test technical field specifically is a portable multipurpose valve pressure test device.
Background
The valve is a control element of a fluid conveying system, has wide application in current production and life, and in recent years, due to the requirements on petrochemical industry, power stations, metallurgy, ships, nuclear energy, aerospace and other aspects, higher requirements are put forward on the valve, so that people are prompted to research and produce valves with high parameters, and along with the gradual improvement of the parameter requirements, the requirements on the maintenance process and the maintenance quality are also revolutionarily improved. At present, the existing sealing inspection effect after maintenance is poor, repeated maintenance is easy to occur, the maintenance cost is greatly increased, the requirement in actual use cannot be met, the phenomena of leakage and leakage are easy to occur in the use and operation of the valve, and accidents such as fire, explosion, poisoning, scalding and the like are possibly caused, so that great loss is caused to the life and property of the country and people. There is therefore a great need in the market for improved techniques for perfecting such devices.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable multipurpose valve pressure test device can strengthen the sealed inspection effect in the maintenance back of equipment, avoids appearing the repeatability maintenance, reduces cost of maintenance, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable multipurpose valve pressure test device, includes flange subassembly, lower flange subassembly, pressure test spare, clamp bolt, goes up pressurize test valve, crossover sub, air water crimping head, lower pressurize test valve and bottom flange, the below of going up the flange subassembly is equipped with lower flange subassembly, be equipped with pressure test spare between lower flange subassembly and the last flange subassembly, it all is equipped with clamp bolt with the outside of lower flange subassembly to go up the flange subassembly, the top of pressure test spare is connected with the pressurize test valve, the top fixedly connected with crossover sub of going up the pressurize test valve, the top fixed mounting of crossover sub has air water crimping head, the bottom of pressure test spare is connected with down the pressurize test valve, the bottom fixed mounting of lower pressurize test valve is on the flange of bottom.
Preferably, the outer wall of the clamping bolt is provided with an external thread, and the clamping bolt is matched with a nut through the external thread to form fixed connection.
Preferably, the outlet end of the adapter is threadedly connected to the pipe.
Preferably, the clamping bolt performs torque pre-tightening connection on the upper flange assembly and the lower flange assembly, and the clamping bolt sets the structural length range of the upper flange assembly and the lower flange assembly.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses portable multipurpose valve pressure test device, during the use, will maintain required check out test set clamp dress in the middle of upper flange subassembly and lower flange subassembly, select atmospheric pressure or water pressure according to the required medium of seal test, when the valve after the maintenance detects the internal leakage, fill to standard pressure from upper flange subassembly one side and close lower pressurize test valve, detect whether there is the internal leakage in upper pressurize test valve position, when needing to detect the external leakage again, only need to close the upper pressurize test valve, observe the manometer meter or cooperate the use that detects the leakage-detecting liquid and can accomplish the detection of maintenance equipment; if there is not relief valve check-up platform, then can connect high accuracy piston DPI or take the manometer hand pump to carry out manual pressurization to test pressure in crossover sub department, specifically survey the mode unanimous with cooperation relief valve check-up table mode, the device can strengthen the sealed inspection effect after the maintenance of equipment, avoids appearing the repeated maintenance, reduces cost of maintenance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an upper flange assembly; 2. a lower flange assembly; 3. a pressure test piece; 4. clamping the bolt; 5. an upper pressure maintaining test valve; 6. a crossover sub; 7. air-water pressure joint; 8. a pressure maintaining test valve is arranged; 9. a bottom flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a portable multipurpose valve pressure test device comprises an upper flange assembly 1, a lower flange assembly 2, a pressure test piece 3, a clamping bolt 4, an upper pressure maintaining test valve 5, a crossover sub 6, an air-water pressure welding head 7, a lower pressure maintaining test valve 8 and a bottom flange 9, wherein the lower flange assembly 2 is arranged below the upper flange assembly 1, the pressure test piece 3 is arranged between the lower flange assembly 2 and the upper flange assembly 1, the outer sides of the upper flange assembly 1 and the lower flange assembly 2 are respectively provided with the clamping bolt 4, the outer wall of the clamping bolt 4 is provided with an external thread, the clamping bolt 4 is matched with a nut through the external thread to form a fixed connection, the clamping bolt 4 performs torque pre-tightening connection on the upper flange assembly 1 and the lower flange assembly 2, the clamping bolt 4 sets the structural length range of the upper flange assembly 1 and the lower flange assembly 2, the top of the pressure test piece 3 is connected with the upper pressure maintaining test valve 5, the top end of the upper pressure maintaining test valve 5 is fixedly connected with an adapter 6, the outlet end of the adapter 6 is in threaded connection with a pipe, the top end of the adapter 6 is fixedly provided with an air-water pressure connector 7, the bottom of the pressure test piece 3 is connected with a lower pressure maintaining test valve 8, the bottom end of the lower pressure maintaining test valve 8 is fixedly arranged on a bottom flange 9, when in use, clamping the detection equipment required after maintenance between the upper flange component 1 and the lower flange component 2, selecting air pressure or water pressure according to the medium required by the sealing test, filling the pressure to the standard pressure from one side of the upper flange component 1 when the repaired valve detects internal leakage, closing the lower pressure maintaining test valve 8, whether the inner leakage exists or not is detected at the position of the upper pressure maintaining test valve 5, and when the outer leakage needs to be detected, the upper pressure maintaining test valve 5 is only required to be closed, and the pressure gauge is observed or the leakage detection liquid is matched to be used for completing the detection of the maintenance equipment.
The working principle is as follows: when the device is used, equipment required to be detected after maintenance is clamped between the upper flange assembly 1 and the lower flange assembly 2, air pressure or water pressure is selected according to a medium required by a sealing test, when the valve after maintenance detects internal leakage, the lower pressure maintaining test valve 8 is closed after the standard pressure is filled from one side of the upper flange assembly 1, whether the internal leakage exists or not is detected at the position of the upper pressure maintaining test valve 5, if external leakage needs to be detected, the upper pressure maintaining test valve 5 is only closed, and the detection of the maintenance equipment can be completed by observing a pressure gauge or matching with the use of detection leakage liquid; if no safety valve calibration platform exists, the high-precision piston DPI or the hand pump with the pressure gauge can be connected to the conversion joint 6 to manually pressurize to the test pressure, and the specific checking and measuring mode is consistent with the mode matched with the safety valve calibration platform.
In summary, the following steps: the utility model discloses portable multipurpose valve pressure test device, during the use, will maintain required check out test set clamp dress in the middle of upper flange subassembly 1 and lower flange subassembly 2, select atmospheric pressure or water pressure according to the required medium of seal test, when the valve after the maintenance detects the internal leakage, fill from upper flange subassembly 1 one side and close lower pressurize test valve 8 after reaching standard pressure, detect whether there is the internal leakage in upper pressurize test valve 5 position, when needing to detect the external leakage again, only need to close upper pressurize test valve 5, observe the manometer meter or cooperate the use that detects the leakage-detecting liquid and can accomplish the detection of maintenance equipment; if there is not relief valve check-up platform, then can connect high accuracy piston DPI or take the manometer hand pump to carry out manual pressurization to test pressure in crossover sub 6 department, it is unanimous with cooperation relief valve check-up table mode specifically to survey the mode, and the device can strengthen the sealed inspection effect after the maintenance of equipment, avoids appearing the repeated maintenance, reduces cost of maintenance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a portable multipurpose valve pressure test device, includes flange subassembly (1), lower flange subassembly (2), pressure test spare (3), clamping bolt (4), goes up pressurize test valve (5), crossover sub (6), air water pressure joint (7), lower pressurize test valve (8) and bottom flange (9), its characterized in that: the utility model discloses a pressure test device, including go up flange subassembly (1), be equipped with down flange subassembly (2) below going up flange subassembly (1), be equipped with pressure test spare (3) between flange subassembly (2) and the last flange subassembly (1) down, the outside of going up flange subassembly (1) and lower flange subassembly (2) all is equipped with clamping bolt (4), the top of pressure test spare (3) is connected with pressurize test valve (5), the top fixedly connected with crossover sub (6) of going up pressurize test valve (5), the top fixed mounting of crossover sub (6) has air water crimping head (7), the bottom of pressure test spare (3) is connected with down pressurize test valve (8), the bottom fixed mounting of lower pressurize test valve (8) is on bottom flange (9).
2. The portable multi-purpose valve pressure test device of claim 1, wherein: the outer wall of the clamping bolt (4) is provided with external threads, and the clamping bolt (4) is matched with a nut through the external threads to form fixed connection.
3. The portable multi-purpose valve pressure test device of claim 1, wherein: the outlet end of the adapter (6) is in threaded connection with the pipe.
4. The portable multi-purpose valve pressure test device of claim 1, wherein: the clamping bolt (4) carries out moment pretension connection on the upper flange component (1) and the lower flange component (2), and the clamping bolt (4) sets the structural length range of the upper flange component (1) and the lower flange component (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021426395.9U CN212482836U (en) | 2020-07-17 | 2020-07-17 | Portable multipurpose valve pressure test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021426395.9U CN212482836U (en) | 2020-07-17 | 2020-07-17 | Portable multipurpose valve pressure test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212482836U true CN212482836U (en) | 2021-02-05 |
Family
ID=74451500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021426395.9U Expired - Fee Related CN212482836U (en) | 2020-07-17 | 2020-07-17 | Portable multipurpose valve pressure test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212482836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432995A (en) * | 2021-06-22 | 2021-09-24 | 中国核动力研究设计院 | Pressure testing method and device for pressure shell of reactor driving mechanism |
-
2020
- 2020-07-17 CN CN202021426395.9U patent/CN212482836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432995A (en) * | 2021-06-22 | 2021-09-24 | 中国核动力研究设计院 | Pressure testing method and device for pressure shell of reactor driving mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 Termination date: 20210717 |