CN203688152U - Novel gas pressure reducer verifying device - Google Patents
Novel gas pressure reducer verifying device Download PDFInfo
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- CN203688152U CN203688152U CN201320892657.4U CN201320892657U CN203688152U CN 203688152 U CN203688152 U CN 203688152U CN 201320892657 U CN201320892657 U CN 201320892657U CN 203688152 U CN203688152 U CN 203688152U
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- pressure
- low pressure
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- gas
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Abstract
The utility model discloses a novel gas pressure reducer verifying device. The novel gas pressure reducer verifying device comprises a workbench, and a high pressure gauge verifying module and a low pressure gauge verifying module which are arranged on the workbench. The high pressure gauge verifying device comprises a high pressure pipeline and a standard high pressure verifying gauge, and the low pressure gauge verifying module comprises a low pressure pipeline and a standard low pressure verifying gauge. The high pressure pipeline is equipped with a gas source valve, and the gas source valve is connected with a gas steel cylinder externally. The novel gas pressure reducer verifying device of the utility model is based on pressure reducer overall detection, and meters and verifies the high and low pressure gauge heads of the pressure reducer via the two standard verifying gauges respectively, at the same time, detects the internal airtightness of a valve body, so that the pressure reducer can be verified without needing to disassemble the gauge heads, the detection process is rapid and convenient, and the detection efficiency is high.
Description
Technical field
The utility model relates to a kind of verifying attachment, refers more particularly to a kind of Pneumatic pressure reducer verifying attachment that does not need to dismantle gauge outfit can fast detecting.
Background technology
Gas pressure reducer is the reliever of bottled gas, generally comprises CO
2decompressor, oxygen pressure reducer, acetylene regulator, argon decompressor etc., gas pressure reducer belongs to category-B measurement instrument, check-verifying period is 6 months, the verification of decompressor is generally to do reducing valve body leak-testing and the test of tensimeter indicating value, decompressor entrance is received on steel cylinder, decompressor is unscrewed completely, open steel cylinder interface, make it pressure, meet outside without revealing (be coated with in sealing place of decompressor the liquid that leaks hunting and carry out leak detection by bubbles) simultaneously, under the state unscrewing completely, can close, metering verification to gauge outfit needs to pull down censorship, if Granted publication number is CN200941077Y, name is called a kind of Chinese utility model patent of gas pressure meter parity checker, a kind of pick-up unit of gas gauge is disclosed, include a underframe, on this underframe, be provided with a gas pressure pump, this gas pressure pump connects a stop valve successively by gas piping, one gas filter, one air pressure micromatic setting and at least two tensimeter Connection Blocks, on these at least two tensimeter Connection Blocks, be respectively provided with a tensimeter jointing, malleation make press and negative pressure evacuation time saving and energy saving, be applicable to various manometer or pressure tool to carry out measurement and calibration and detection, during due to detection, tensimeter need be pulled down from decompressor, certainly will affect the overall impermeability of decompressor, simultaneously, dismounting also easily causes tensimeter to damage repeatedly, cause unnecessary loss, testing process is loaded down with trivial details, detection efficiency is lower.
Utility model content
When mainly solving existing gas pressure reducer verification, need dismantle the utility model the technical matters that gauge outfit affects pressure reducer overall impermeability and easily causes gauge outfit to damage; A kind of Pneumatic pressure reducer verifying attachment that does not need to dismantle gauge outfit can fast detecting is provided.
In order to solve the technical matters of above-mentioned existence, the utility model is mainly to adopt following technical proposals:
A kind of Pneumatic pressure reducer verifying attachment of the present utility model, for metering verification and the Leakage Test of gas pressure reducer, verifying attachment comprises worktable, be located at high pressure gauge correction verification module and low-pressure meter correction verification module for high-low pressure gauge outfit on verification decompressor on worktable, described high pressure gauge correction verification module comprises the pressure piping being fixedly arranged on worktable and the standard high-voltage checklist joining with pressure piping, described pressure piping one end is provided with the high pressure connection for connecting decompressor high-pressure side interface, the other end is provided with the gas source connector that connects source of the gas, described low-pressure meter correction verification module comprises the low pressure pipeline being fixedly arranged on worktable and the standard low pressure checklist communicating with low pressure pipeline, one end of described low pressure pipeline is provided with the low-pressure connector for connecting decompressor low-pressure side interface, other end sealing, the high and low pressure side interface of decompressor joins with corresponding high-low pressure joint respectively, employing pressure reducer overall detects, respectively the high-low pressure gauge outfit of decompressor is measured to verification by two standard checklists, the sealing of valve body is also detected simultaneously, the bubble leakage detection that is aided with the liquid that leaks hunting carries out impermeability detection to decompressor outside, make decompressor not need to dismantle gauge outfit and get final product verification, testing process is quick and convenient, detection efficiency is higher.
As preferably, on described pressure piping, be positioned at described gas source connector place and be provided with source of the gas valve, one end interface and the pressure piping of described source of the gas valve join, and other end interface joins and carries out pressure test for being connected gas bomb or gas pipeline to introduce external gas source with gas source connector.
As preferably, described low pressure pipeline is provided with low pressure exhaust-valve, and an end interface of described low pressure exhaust-valve communicates with low pressure pipeline, other end interface is emptying, can, by emptying the gas in low pressure pipeline or pressure regulation, measure better verification low-pressure meter, also be conducive to the dismounting of decompressor.
As preferably, described verifying attachment also comprises the auxiliary examination module for pressure meter calibration, described auxiliary examination module comprises the first stop valve and the second stop valve that are placed on pressure piping, described the first stop valve is placed in decompressor high-pressure side interface and controls the air inlet of decompressor, described the second stop valve is placed in described standard high-voltage checklist place, one end of the second stop valve and standard high-voltage checklist join, the other end connects testing pressure table, verifying attachment also can be used as the metering verification of ordinarily manometer, plant factor is high, usable range is wide, and the second stop valve also can be used as the emptying or relief passage of gas in pressure piping, make high pressure gauge metering verification more fully with accurate, also be conducive to the dismounting of decompressor.
The beneficial effects of the utility model are: adopt pressure reducer overall to detect, respectively the high-low pressure gauge outfit of decompressor is measured to verification by two standard checklists, valve inner valve seal is also detected simultaneously, the bubble leakage detection that is aided with the liquid that leaks hunting carries out impermeability detection to decompressor, make decompressor not need to dismantle gauge outfit and get final product verification, testing process is quick and convenient, and detection efficiency is higher, verifying attachment also can be used for the verification of ordinarily manometer, and usable range is wide.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
1. decompressors in figure, 2. worktable, 3. pressure piping, 4. standard high-voltage checklist, 5. high pressure connection, 6. gas source connector, 7. low pressure pipeline, 8. standard low pressure checklist, 9. low-pressure connector, 10. source of the gas valve, 11. low pressure exhaust-valves, 12. testing pressure tables, 13. first stop valves, 14. second stop valves.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of Pneumatic pressure reducer verifying attachment of the present embodiment, for metering verification and the Leakage Test of gas pressure reducer 1, comprise worktable 2, be arranged on the high pressure gauge correction verification module for high-low pressure gauge outfit on verification decompressor on worktable, low-pressure meter correction verification module and for the auxiliary examination module of pressure meter calibration, high pressure gauge correction verification module comprises the pressure piping 3 being fixedly arranged on worktable and the standard high-voltage checklist 4 joining with pressure piping, pressure piping one end is designed with the high pressure connection 5 for connecting decompressor high-pressure side interface, the other end is designed with gas source connector 6 and source of the gas valve 10, one end interface and the pressure piping of source of the gas valve join, other end interface joins for being connected gas bomb with gas source connector, low-pressure meter correction verification module comprises the low pressure pipeline 7 being fixedly arranged on worktable and the standard low pressure checklist 8 communicating with low pressure pipeline, one end of low pressure pipeline is designed with the low-pressure connector 9 for connecting decompressor low-pressure side interface, the other end is provided with low pressure exhaust-valve 11, the high and low pressure side interface of decompressor joins with corresponding high-low pressure joint respectively, auxiliary examination module comprises the first stop valve 13 and the second stop valve 14 that are arranged on pressure piping, the first stop valve is positioned at decompressor high-pressure side interface and controls the air inlet of decompressor, the second stop valve is positioned at standard high-voltage checklist place, one end interface and the standard high-voltage checklist of the second stop valve join, other end interface can external testing pressure table 12 or directly emptying.
When use, the high and low pressure side interface of decompressor is affixed with the corresponding high pressure connection of system and low-pressure connector respectively, unscrew counterclockwise decompressor pressure regulation valve rod, make decompressor valve closing, external gas bomb is connected on source of the gas valve, open the first stop valve, close the second stop valve and low pressure exhaust-valve, open source of the gas valve, gases at high pressure in gas bomb enter pressure piping and enter in decompressor, the high pressure gauge outfit of decompressor and calibration high pressure checklist indicating value start to rise, and now can carry out by standard high-voltage checklist the indicating value verification of decompressor high pressure gauge outfit, subsequently, tighten clockwise decompressor pressure regulation valve rod, make decompressor valve opening, gas enters low pressure pipeline after reducing pressure by decompressor, decompressor low pressure gauge outfit and standard low pressure checklist indicating value rise, now, can carry out the indicating value verification of decompressor low pressure gauge outfit by standard low pressure check table, after the indicating value verification of decompressor high-low pressure gauge outfit completes, again unscrew counterclockwise decompressor valve rod, close decompressor, opening low pressure exhaust valve makes low pressure pipeline internal pressure be down to zero, again close low pressure exhaust valve, static a period of time, observe the indicating value of decompressor low pressure gauge outfit or standard low pressure checklist, can judge whether decompressor valve has leakage, if any reading, represent that decompressor valve has leakage, finally, smear in each sealing place of decompressor the liquid that leaks hunting and carry out the outside leak detection by bubbles of decompressor.
While other tensimeters being carried out to indicating value verification as needs, testing pressure table can be connected with the second stop valve, close the first stop valve, open the second stop valve and source of the gas valve, gases at high pressure in steel cylinder enter in pressure piping, and now, the indicating value of testing pressure table and standard high-voltage checklist all rises, now, can carry out by standard high-voltage checklist the indicating value verification of testing pressure table.
More than explanation has not been done restriction to the utility model; the utility model is also not limited only to giving an example of above-mentioned explanation; variation that those skilled in the art make in essential scope of the present utility model, retrofit, increase or replace, all should be considered as protection domain of the present utility model.
Claims (4)
1. a Pneumatic pressure reducer verifying attachment, for metering verification and the Leakage Test of gas pressure reducer (1), it is characterized in that: verifying attachment comprises worktable (2), be located at high pressure gauge correction verification module and low-pressure meter correction verification module for high-low pressure gauge outfit on verification decompressor on worktable, described high pressure gauge correction verification module comprises the pressure piping (3) being fixedly arranged on worktable and the standard high-voltage checklist (4) joining with pressure piping, described pressure piping one end is provided with the high pressure connection (5) for connecting decompressor high-pressure side interface, the other end is provided with the gas source connector (6) that connects source of the gas, described low-pressure meter correction verification module comprises the low pressure pipeline (7) being fixedly arranged on worktable and the standard low pressure checklist (8) communicating with low pressure pipeline, one end of described low pressure pipeline is provided with the low-pressure connector (9) for connecting decompressor low-pressure side interface, other end sealing, the high and low pressure side interface of decompressor joins with corresponding high-low pressure joint respectively.
2. a kind of Pneumatic pressure reducer verifying attachment according to claim 1, it is characterized in that: on described pressure piping (3), be positioned at described gas source connector place and be provided with source of the gas valve (10), one end interface and the pressure piping of described source of the gas valve join, and other end interface and described gas source connector (6) join.
3. a kind of Pneumatic pressure reducer verifying attachment according to claim 1 and 2, is characterized in that: described low pressure pipeline (7) is provided with low pressure exhaust-valve (11), an end interface of described low pressure exhaust-valve communicates with low pressure pipeline, and other end interface is emptying.
4. a kind of Pneumatic pressure reducer verifying attachment according to claim 1, it is characterized in that: described verifying attachment also comprises the auxiliary examination module for tensimeter (12) verification, described auxiliary examination module comprises the first stop valve (13) and the second stop valve (14) that are placed on pressure piping (3), described the first stop valve is placed in decompressor high-pressure side interface and controls the air inlet of decompressor (1), described the second stop valve is placed in described standard high-voltage checklist (4) and locates, one end of the second stop valve and standard high-voltage checklist join, the other end connects testing pressure table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892657.4U CN203688152U (en) | 2013-12-31 | 2013-12-31 | Novel gas pressure reducer verifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892657.4U CN203688152U (en) | 2013-12-31 | 2013-12-31 | Novel gas pressure reducer verifying device |
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| Publication Number | Publication Date |
|---|---|
| CN203688152U true CN203688152U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320892657.4U Expired - Fee Related CN203688152U (en) | 2013-12-31 | 2013-12-31 | Novel gas pressure reducer verifying device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844690A (en) * | 2018-07-12 | 2018-11-20 | 上海航天设备制造总厂有限公司 | A kind of pressure reducer leak rate test macro and method |
| CN110319973A (en) * | 2019-08-01 | 2019-10-11 | 红旗仪表（长兴）有限公司 | A kind of integration air pressure calibration equipment and method |
| CN112178008A (en) * | 2020-09-28 | 2021-01-05 | 株洲时代新材料科技股份有限公司 | Method for calibrating pressure sensor of main oil cylinder of hydraulic vulcanizing machine and pipeline structure |
| CN112729676A (en) * | 2020-12-30 | 2021-04-30 | 深圳市弗赛特科技股份有限公司 | Pressure transmitter calibration stand |
-
2013
- 2013-12-31 CN CN201320892657.4U patent/CN203688152U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844690A (en) * | 2018-07-12 | 2018-11-20 | 上海航天设备制造总厂有限公司 | A kind of pressure reducer leak rate test macro and method |
| CN110319973A (en) * | 2019-08-01 | 2019-10-11 | 红旗仪表（长兴）有限公司 | A kind of integration air pressure calibration equipment and method |
| CN112178008A (en) * | 2020-09-28 | 2021-01-05 | 株洲时代新材料科技股份有限公司 | Method for calibrating pressure sensor of main oil cylinder of hydraulic vulcanizing machine and pipeline structure |
| CN112729676A (en) * | 2020-12-30 | 2021-04-30 | 深圳市弗赛特科技股份有限公司 | Pressure transmitter calibration stand |
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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: 20140702 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |