CN201819763U - Electric ultrahigh pressure piston type pressure gauge - Google Patents
Electric ultrahigh pressure piston type pressure gauge Download PDFInfo
- Publication number
- CN201819763U CN201819763U CN2010205605154U CN201020560515U CN201819763U CN 201819763 U CN201819763 U CN 201819763U CN 2010205605154 U CN2010205605154 U CN 2010205605154U CN 201020560515 U CN201020560515 U CN 201020560515U CN 201819763 U CN201819763 U CN 201819763U
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- stop valve
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- supercharger
- valve
- gauge
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Abstract
The utility model discloses an electric ultrahigh pressure piston type pressure gauge. A pressurization oil cylinder, a booster, an unloading valve, a stop valve, a hand pump, a piston valve, a booster high pressure end stop valve and a booster low pressure end stop valve are arranged in the inner chamber of a box body; a gauge stand, a level meter, an oil cup, an electric measurement system and a pressure regulator indicator are arranged on the upper surface of the box body; a displacement indicator and a motor switch are arranged on the side surface of the box body; and the high pressure end of the booster is respectively connected with the gauge stand, the booster high pressure end stop valve and the piston valve, the low pressure end of the booster is connected with the unloading valve, the booster low pressure end stop valve and the pressurization oil cylinder in sequence, and the pressurization oil cylinder is connected with the hand pump through the oil cup and the stop valve in sequence. The pressure gauge disclosed by the utility model complies with national standards and regulations, has the advantages of stable sealing performance and high value transfer credibility, and is suitable for the transfer of relatively high pressure. Moreover, the pressurization is convenient and labor-saving.
Description
Technical field
The utility model belongs to field of measuring technique, relates to a kind of electrodynamic type ultra-high pressure piston type pressure gauge.
Background technology
Piston gage is the normal pressure gauging instrument of a kind of pin-point accuracy, high repdocutbility and high confidence level, the working mechanism of piston gage is based on the definition of pressure notion, and based on Pascal law and hydrostatic equilibrium principle, be carried in the process that the pressure that is produced on the piston of known useful area provides the accurate pressure value by specific weight with known quality, in the world often with piston gage as national benchmark and working standard or pressure measurement standard, so piston gage has in its field quite widely and to use.Existing piston formula pressure gauge is made up of piston system, specific weight, checker three parts usually, be mainly used in measuring room, laboratory and production or scientific experiment link and use, also have piston gage is directly applied to the voting monitoring of high reliability monitoring link to local other instrument as the pressure reference device.Pressure limit is low because existing piston gage exists, the counterweight rotation is rotated with hand, wastes time and energy and damages piston rod easily, and especially extra high voltage system sealing property aspect is also inadequate, so piston gage is still waiting to continue to improve.
Summary of the invention
The purpose of this utility model provides a kind of electrodynamic type ultra-high pressure piston type pressure gauge, can realize the 250MPa UHV (ultra-high voltage) is carried out the transmission of value, and the sealing property of extra high voltage system is more stable.
The technical scheme that the utility model adopted is, a kind of electrodynamic type ultra-high pressure piston type pressure gauge, comprise a casing, in cabinets cavity, be provided with pressurization oil cylinder, supercharger, unloader, stop valve, pitcher pump, piston valve, supercharger high-pressure side stop valve, supercharger low pressure end stop valve; Be provided with gauge stand, level meter, lubricating cup, electronic measuring system and pressure regulator indicator at the casing upper surface, and the handwheel of piston valve and supercharger high-pressure side stop valve; Be provided with displacement indicating gauge, motor switch at the casing side surface, the handwheel of pressurization handwheel and unloader, supercharger low pressure end stop valve, supercharger high-pressure side stop valve, stop valve, pitcher pump, the pressurization handwheel links to each other with the pressurization oil cylinder by leading screw; The high-pressure side of described supercharger is connected with gauge stand, supercharger high-pressure side stop valve, piston valve respectively, the low pressure end of supercharger links to each other successively with unloader, supercharger low pressure end stop valve, pressurization oil cylinder, and the pressurization oil cylinder is connected with pitcher pump by lubricating cup, stop valve successively.
Feature of the present utility model also is,
The inside of electronic measuring system wherein is provided with displacement transducer and motor, and motor is connected with extraneous power supply by motor switch, and the displacement transducer in the measuring system is connected with converter, and converter is connected with the displacement indicating gauge with power interface respectively.
The lower surface of casing wherein is provided with levelling bolt for four jiaos.
The beneficial effects of the utility model are that the normal pressure of 250MPa can be provided; Rotate by the driven by motor counterweight, save manpower, also can ward off and exempt to damage piston rod when hand changes, the error of introducing when piston is measured is 0 simultaneously; Supercharger makes compression system obtain higher pressure output with the lower pressure input, and pressurization is more laborsaving simultaneously.
Description of drawings
Fig. 1 is the external structure synoptic diagram of a kind of embodiment of the utility model pressure gauge;
Fig. 2 is the inner structure synoptic diagram of a kind of embodiment of the utility model pressure gauge.
Among the figure, 1. gauge stand, 2. level meter, 3. lubricating cup, 4. electronic measuring system, 5. pitcher pump, 6. stop valve, 7. supercharger high-pressure side stop valve, 8. pressure regulator indicator, 9. pressurization handwheel, 10. supercharger low pressure end stop valve, 11. piston valves, 12. unloaders, 13. the displacement indicating gauge, 14. levelling bolts, 15. motor switch, 16. casing, 17. pressurization oil cylinders, 18. superchargers.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As Fig. 1, Fig. 2, the manometric structure of the utility model is, comprise a casing 16, in casing 16 inner chambers, be provided with pressurization oil cylinder 17, supercharger 18, unloader 12, stop valve 6, pitcher pump 5, piston valve 11, supercharger high-pressure side stop valve 7, supercharger low pressure end stop valve 10;
Be provided with gauge stand 1, level meter 2, lubricating cup 3, electronic measuring system 4 and pressure regulator indicator 8 at casing 16 upper surfaces, and the handwheel of piston valve 11 and supercharger high-pressure side stop valve 7; Be provided with displacement indicating gauge 13, motor switch 15 on casing 16 each fore side surfaces, the handwheel of pressurization handwheel 9 and unloader 12, supercharger low pressure end stop valve 10, supercharger high-pressure side stop valve 7, stop valve 6, pitcher pump 5, pressurization oil cylinder 17 links to each other with pressurization handwheel 9 by leading screw.Pressure regulator indicator 8 is connected with pressurization oil cylinder 17.
The inside of electronic measuring system 4 is provided with piston cylinder and is used to measure displacement transducer and the motor that piston moves, the outside surface of electronic measuring system 4 is hung blue going up and is installed corresponding counterweight additional according to the measurement situation, motor is used to drive counterweight and rotates, and motor is connected with extraneous power supply by motor switch 15; Store the lower sebacate fluid of viscosity in the lubricating cup 3; Pitcher pump 5 is used for the precompressed to pressurization oil cylinder 17, and pressure can be got to 5MPa, and pressurization handwheel 9 adopts cross handwheel, and comparing with existing circular handwheel more saves labour grasps amount of pressurization easily, is used for the secondary pressurization to pressurization oil cylinder 17, and pressure can be got to 150MPa; Open supercharger low pressure end stop valve 10 and bring into use supercharger, get to 250MPa up to pressure, the lower surface of casing 16 is provided with levelling bolt 14 for four jiaos, is used for demonstration to the leveling of casing 16 in conjunction with level meter 2.
As Fig. 2, the syndeton of this real novel pressure meter is, supercharger 18 high-pressure sides are provided with 1 respectively with among the gauge stand 1(embodiment by hydraulic pipe), supercharger high-pressure side stop valve 7, piston valve 11 be connected, supercharger 18 low pressure ends link to each other successively with unloader 12, supercharger low pressure end stop valve 10, pressurization oil cylinder 17, and pressurization oil cylinder 17 is connected with pitcher pump 5 successively by lubricating cup 3, stop valve 6; Displacement transducer in the measuring system 4 is connected by lead with converter, converter is connected with displacement indicating gauge 13 with power interface respectively, converter can carry out digital-to-analogue to sensor signal to be handled, and is indicated the upper and lower displacement amount of measuring system 4 by displacement indicating gauge 13.
The manometric course of work of the utility model is, the tensimeter of measurement to be verified is installed on gauge stand 1, at first close supercharger low pressure end stop valve 10, open stop valve 6, piston valve 11, supercharger high-pressure side stop valve 7, pressurization oil cylinder 17 is carried out precompressed, and pressure can arrive 5MPa, closes stop valve 6 again, rotate 14 pairs of pressurizations of pressurization handwheel oil cylinder 17 again and pressurize, pressure can arrive 150MPa; Close supercharger high-pressure side stop valve 6 then, open supercharger low pressure end stop valve 10, continue to be pressurized to 250MPa with pressurization oil cylinder 17.Open motor switch simultaneously, drive the counterweight rotation.13 indications of displacement indicating gauge can be eliminated the tensimeter error of measurement to be verified in zero-bit, make indication up to specification.Verification finishes to open unloader 12 and 7 pairs of pressure system off-loads of supercharger high-pressure side stop valve.
Pressure gauge of the present utility model meets following the countries concerned rules and pertinent literature: the JJG59-2007 of the People's Republic of China (PRC) " piston gage vertification regulation ", JJF1001-1998 " general metering term and definition ", the international recommendation of OIMLR 110-1994 Pressure Balance(pressure balance), the JJG99-2006 of the People's Republic of China (PRC) " weight detecting rules ".Pressure gauge range scope of the present utility model is big, simple in structure, good airproof performance, and pressurization is stablized laborsaving, and numerical value transmits with a high credibility.
Claims (3)
1. electrodynamic type ultra-high pressure piston type pressure gauge, it is characterized in that: comprise a casing (16), in casing (16) inner chamber, be provided with pressurization oil cylinder (17), supercharger (18), unloader (12), stop valve (6), pitcher pump (5), piston valve (11), supercharger high-pressure side stop valve (7), supercharger low pressure end stop valve (10);
Be provided with gauge stand (1), level meter (2), lubricating cup (3), electronic measuring system (4) and pressure regulator indicator (8) at casing (16) upper surface, and the handwheel of piston valve (11) and supercharger high-pressure side stop valve (7);
Be provided with displacement indicating gauge (13), motor switch (15) at casing (16) side surface, the handwheel of pressurization handwheel (9) and unloader (12), supercharger low pressure end stop valve (10), supercharger high-pressure side stop valve (7), stop valve (6), pitcher pump (5), pressurization handwheel (9) links to each other with pressurization oil cylinder (17) by leading screw;
The high-pressure side of described supercharger (18) is connected with gauge stand (1), supercharger high-pressure side stop valve (7), piston valve (11) respectively, the low pressure end of supercharger (18) links to each other successively with unloader (12), supercharger low pressure end stop valve (10), pressurization oil cylinder (17), and pressurization oil cylinder (17) is connected with pitcher pump (5) by lubricating cup (3), stop valve (6) successively.
2. electrodynamic type ultra-high pressure piston type pressure gauge according to claim 1, it is characterized in that: the inside of described electronic measuring system (4) is provided with displacement transducer and motor, motor is connected with extraneous power supply by motor switch (15), displacement transducer in the measuring system (4) is connected with converter, and converter is connected with displacement indicating gauge (13) with power interface respectively.
3. electrodynamic type ultra-high pressure piston type pressure gauge according to claim 1 is characterized in that: the lower surface of described casing (16) is provided with levelling bolt (14) for four jiaos.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205605154U CN201819763U (en) | 2010-10-14 | 2010-10-14 | Electric ultrahigh pressure piston type pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205605154U CN201819763U (en) | 2010-10-14 | 2010-10-14 | Electric ultrahigh pressure piston type pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201819763U true CN201819763U (en) | 2011-05-04 |
Family
ID=43917713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205605154U Expired - Fee Related CN201819763U (en) | 2010-10-14 | 2010-10-14 | Electric ultrahigh pressure piston type pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201819763U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181242A (en) * | 2015-05-26 | 2015-12-23 | 苏州华徕光电仪器有限公司 | Pressure checking apparatus |
| CN106482744A (en) * | 2015-08-25 | 2017-03-08 | 斯沃奇集团研究和开发有限公司 | Apparatus and method for calibrating height above sea level measuring apparatus |
| CN114518189A (en) * | 2021-12-30 | 2022-05-20 | 山东省计量科学研究院 | Ultrahigh pressure piston type pressure gauge with measuring range of 1400MPa |
| CN114518189B (en) * | 2021-12-30 | 2024-06-11 | 山东省计量科学研究院 | Ultrahigh pressure piston type pressure gauge with measuring range of 1400MPa |
-
2010
- 2010-10-14 CN CN2010205605154U patent/CN201819763U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181242A (en) * | 2015-05-26 | 2015-12-23 | 苏州华徕光电仪器有限公司 | Pressure checking apparatus |
| CN106482744A (en) * | 2015-08-25 | 2017-03-08 | 斯沃奇集团研究和开发有限公司 | Apparatus and method for calibrating height above sea level measuring apparatus |
| CN106482744B (en) * | 2015-08-25 | 2019-05-14 | 斯沃奇集团研究和开发有限公司 | Device and method for calibrating height above sea level measuring device |
| CN114518189A (en) * | 2021-12-30 | 2022-05-20 | 山东省计量科学研究院 | Ultrahigh pressure piston type pressure gauge with measuring range of 1400MPa |
| CN114518189B (en) * | 2021-12-30 | 2024-06-11 | 山东省计量科学研究院 | Ultrahigh pressure piston type pressure gauge with measuring range of 1400MPa |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20121014 |