CN214702736U - Miniature safety valve calibration stand - Google Patents
Miniature safety valve calibration stand Download PDFInfo
- Publication number
- CN214702736U CN214702736U CN202121353471.2U CN202121353471U CN214702736U CN 214702736 U CN214702736 U CN 214702736U CN 202121353471 U CN202121353471 U CN 202121353471U CN 214702736 U CN214702736 U CN 214702736U
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- Prior art keywords
- safety valve
- clamping mechanism
- pressure
- clamping
- verification station
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- 230000007246 mechanism Effects 0.000 claims description 35
- 238000012795 verification Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model relates to a miniature relief valve check-up table for the check-up relief valve, including fixture, operation panel and air supply, fixture, operation panel and air supply components of a whole that can function independently set up, fixture passes through operation panel and air supply intercommunication, the relief valve is placed on fixture and is communicated with the air supply, the last clamping device who is used for with the intake pipe of relief valve connection and is used for fixed relief valve that is equipped with the liftable of fixture, the utility model discloses fixture, operation panel and air supply components of a whole that can function independently set up, and convenient the dismantlement is with carrying, reduces equipment volume, lightens weight, conveniently carries.
Description
Technical Field
The utility model relates to a relief valve check-up technical field, concretely relates to miniature relief valve check-up table.
Background
The safety valve is an important safety accessory of pressure-bearing equipment such as boilers, pressure vessels, pressure pipelines and the like, and the reliability and the performance of the action of the safety valve are directly related to the equipment and the personal safety. Therefore, the new valve must be verified before it is installed in the protected equipment; the old valves in use must also be verified at least once a year.
The safety valve is used as a pressure container protection device and has wide application and various specifications, and safety valve calibration equipment is designed for large safety valves, so that the equipment is large in size and weight, and inconvenient to carry and perform on-site calibration.
Disclosure of Invention
The utility model aims at providing a miniature relief valve check-up table reduces the equipment volume under guaranteeing safety in utilization and check-up precision performance prerequisite, and weight reduction conveniently carries.
The utility model aims at realizing through the following technical scheme: the safety valve calibration device comprises a clamping mechanism, an operating platform and an air source, wherein the clamping mechanism, the operating platform and the air source are arranged in a split mode, the clamping mechanism is communicated with the air source through the operating platform, the safety valve is placed on the clamping mechanism and communicated with the air source, and a lifting air inlet pipe and a clamping device are arranged on the clamping mechanism, the lifting air inlet pipe is used for being connected with the safety valve, and the clamping device is used for fixing the safety valve.
In a preferred embodiment, the air inlet pipe is communicated with a power source for providing lifting power for the air inlet pipe.
In a preferred embodiment, the power source is a manual hydraulic pump.
In a preferred embodiment, the clamping means comprise a jaw arranged above the clamping mechanism, said jaw being provided with at least two.
In a preferred embodiment, the jaws are horizontally movable along the clamping mechanism.
In a preferred embodiment, the clamping mechanism is provided with a sliding groove for moving the clamping jaws.
In a preferred embodiment, a pressure increasing valve and a pressure reducing valve for controlling the pressure of the safety valve and a pressure gauge for displaying the pressure are arranged on the operating platform.
In a preferred embodiment, the console is connected to the clamping mechanism and the gas source by high pressure hoses.
In a preferred embodiment, the gas source is a gas cylinder.
In a preferred embodiment, a sealing ring is arranged at one end of the air inlet pipe connected with the safety valve.
The utility model has the advantages that: the clamping mechanism, the operating platform and the air source are arranged in a split mode, so that the clamping mechanism is convenient to disassemble and carry, the size of equipment is reduced, the weight is reduced, and the carrying is convenient.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a three-dimensional structure diagram of a micro safety valve calibration stand according to an embodiment of the present invention;
fig. 2 is a front view of a micro safety valve calibration stand according to an embodiment of the present invention;
fig. 3 is a top view of a micro safety valve calibration stand according to an embodiment of the present invention;
in the figure:
1. a clamping mechanism; 2. an operation table; 3. a gas source; 4. a manual hydraulic pump; 5. an air inlet pipe; 6. a claw; 7. a pressure gauge; 8. a boost valve; 9. and (4) releasing the valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The invention will be further described with reference to the drawings and specific examples.
As shown in fig. 1-3, a miniature safety valve calibration stand according to an embodiment of the present invention is used for calibrating a safety valve, and includes a clamping mechanism 1, an operation table 2 and an air source 3, wherein the clamping mechanism 1, the operation table 2 and the air source 3 are separately arranged, so as to facilitate disassembly and assembly, and facilitate carrying; the clamping mechanism 1 is communicated with an air source 3 through an operating platform 2, the safety valve is placed on the clamping mechanism 1 and communicated with the air source 3, and the clamping mechanism 1 is provided with a lifting air inlet pipe 5 used for being connected with the safety valve and a clamping device used for fixing the safety valve. The safety valve is placed on the clamping mechanism 1 and clamped through the clamping device, the air inlet pipe 5 ascends to be connected with an air inlet of the safety valve, the air inlet pipe 5 descends after the verification is completed, the clamping device loosens, and the safety valve is taken down.
The air inlet pipe 5 is communicated with a power source for providing lifting power for the air inlet pipe. The power source is a manual hydraulic pump 4. Intake pipe 5 is hydraulic pressure fall way, and the center is equipped with inlet channel, and inlet channel separates with hydraulic pressure passageway, and for example hydraulic pressure passageway is located the pipe wall, and inlet channel is located the intake pipe center. The air inlet end of the air inlet channel is communicated with the air source 3, and the air outlet end of the air inlet channel is communicated with the safety valve.
The clamping device comprises clamping jaws 6 arranged above the clamping mechanism 1, and at least two clamping jaws 6 are arranged on each clamping jaw 6. The clamping jaws 6 are oppositely arranged, and the top parts of the clamping jaws are provided with clamping hooks.
The jaws 6 are horizontally movable along the fixture 1. The safety valve is manually moved, the clamping safety valve is moved inwards, and the safety valve is moved outwards to be released.
The clamping mechanism 1 is provided with a sliding groove for the clamping jaw 6 to move. The bottom of the claw 6 is arranged in the sliding groove and moves along the sliding groove, and the claw 6 is kept vertical.
The operation table 2 is provided with a pressure increasing valve 8 and a pressure reducing valve 9 for controlling the pressure of the safety valve, and a pressure gauge 7 for displaying the pressure. The pressure increasing valve 8 and the pressure reducing valve 9 are arranged on the two branches, and the air source 3 and the pressure increasing valve 8 are opened during pressure increasing to enable the inlet pressure of the pressure reducing valve to slowly rise; and after the verification is finished, closing the pressure boosting valve 8, opening the pressure relief valve 9, and exhausting the residual air pressure in the safety valve. The air inlet end of the pressure release valve 9 is communicated with the air inlet pipe 5, and the air outlet end of the pressure release valve 9 can be communicated with the air source 3 or directly communicated with the outside.
The operation table 2 is connected with the clamping mechanism 1 and the air source 3 through a high-pressure hose. One end of the high-pressure hose is connected with the air source 3, and the other end of the high-pressure hose penetrates through the operating platform 2 to be connected with the clamping mechanism 1 and used for injecting air into the safety valve.
The gas source 3 is a gas cylinder.
And a sealing ring is arranged at one end of the air inlet pipe 5 connected with the safety valve. And the air inlet pipe 5 and the air inlet of the safety valve are sealed, so that air leakage is avoided.
During practical use, the safety valve to be checked is placed on the clamping mechanism 1, the air inlet of the safety valve is connected with the air inlet pipe 5, and the clamping jaw 6 is pushed to the middle to clamp the safety valve flange. And operating the manual hydraulic pump 4, and hydraulically pushing the air inlet pipe 5 of the clamping mechanism 1 to rise to clamp and fix the safety valve and seal the inlet of the safety valve. The gas cylinder and the pressure-increasing valve 8 are opened, so that the inlet pressure of the safety valve slowly rises. When the safety valve is opened, the reading of a pressure gauge 7 is the set pressure of the safety valve. After the calibration is completed, the pressure boosting valve 8 is closed, the pressure relief valve 9 is opened to exhaust the residual air pressure in the safety valve, the manual hydraulic pump 4 is operated to discharge the hydraulic pressure in the clamping mechanism 1, the air inlet pipe 5 of the clamping mechanism 1 is lowered and reset, and the clamping jaw 6 is opened to take down the tested safety valve. And (6) finishing the verification.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a miniature relief valve check table for check-up relief valve, its characterized in that: the safety valve clamping device comprises a clamping mechanism, an operating platform and an air source, wherein the clamping mechanism, the operating platform and the air source are arranged in a split mode, the clamping mechanism is communicated with the air source through the operating platform, the safety valve is placed on the clamping mechanism and is communicated with the air source, and a lifting air inlet pipe used for being connected with the safety valve and a clamping device used for fixing the safety valve are arranged on the clamping mechanism.
2. The micro safety valve verification station of claim 1, wherein: the air inlet pipe is communicated with a power source which provides lifting power for the air inlet pipe.
3. The micro safety valve verification station of claim 2, wherein: the power source is a manual hydraulic pump.
4. The micro safety valve verification station of claim 1, wherein: the clamping device comprises at least two clamping jaws arranged above the clamping mechanism.
5. The micro safety valve verification station of claim 4, wherein: the jaws are horizontally movable along the clamping mechanism.
6. The micro safety valve verification station of claim 5, wherein: and the clamping mechanism is provided with a sliding groove for the clamping jaw to move.
7. The micro safety valve verification station of claim 1, wherein: and a pressure boosting valve and a pressure relief valve for controlling the pressure of the safety valve and a pressure gauge for displaying the pressure are arranged on the operating platform.
8. The micro safety valve verification station of claim 1, wherein: the operating platform is connected with the clamping mechanism and the air source through a high-pressure hose.
9. The micro safety valve verification station of claim 1, wherein: the gas source is a gas cylinder.
10. The micro safety valve verification station of claim 1, wherein: and a sealing ring is arranged at one end of the air inlet pipe connected with the safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353471.2U CN214702736U (en) | 2021-06-18 | 2021-06-18 | Miniature safety valve calibration stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353471.2U CN214702736U (en) | 2021-06-18 | 2021-06-18 | Miniature safety valve calibration stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214702736U true CN214702736U (en) | 2021-11-12 |
Family
ID=78556018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353471.2U Active CN214702736U (en) | 2021-06-18 | 2021-06-18 | Miniature safety valve calibration stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214702736U (en) |
-
2021
- 2021-06-18 CN CN202121353471.2U patent/CN214702736U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240531 Address after: No. 3, 5th Row, Jianchawang Village, Wanzhuang Town, Guangyang District, Langfang City, Hebei Province, 065000 Patentee after: De Ruite (Hebei) Special Equipment Inspection and Testing Co.,Ltd. Country or region after: China Address before: 100000 Xidian village, Majuqiao town, Tongzhou District, Beijing (rooms 202 and 203, Beijing Majuqiao Nongyou Hotel) Patentee before: Beijing langyao Technology Co.,Ltd. Country or region before: China |