CN103557990B - The all-round calibrating installation of a kind of manometer equipment - Google Patents

The all-round calibrating installation of a kind of manometer equipment Download PDF

Info

Publication number
CN103557990B
CN103557990B CN201310472582.9A CN201310472582A CN103557990B CN 103557990 B CN103557990 B CN 103557990B CN 201310472582 A CN201310472582 A CN 201310472582A CN 103557990 B CN103557990 B CN 103557990B
Authority
CN
China
Prior art keywords
pressure
hydraulic
reversal valve
oil
fluid port
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201310472582.9A
Other languages
Chinese (zh)
Other versions
CN103557990A (en
Inventor
华翔
刘福
雷正伟
张军
牛满科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
63908 Troops of PLA
Original Assignee
63908 Troops of PLA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 63908 Troops of PLA filed Critical 63908 Troops of PLA
Priority to CN201310472582.9A priority Critical patent/CN103557990B/en
Publication of CN103557990A publication Critical patent/CN103557990A/en
Application granted granted Critical
Publication of CN103557990B publication Critical patent/CN103557990B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention relates to the all-round calibrating installation of a kind of manometer equipment, the calibrating installation of the calibrating installation of hydraulic pressure class instrumentation and air pressure class instrumentation is carried out integration merging, makes it have the calibrating function of two kind equipments; Controlled by same set of control system, and fit on data processing module, the collection of calibrating data, process, report generation can be completed; This system automation degree is high, uses flexibly, is applicable to outfield pressure measurement, and especially the calibrating of manometer is equipped by army in carrying out and ensureing.

Description

The all-round calibrating installation of a kind of manometer equipment
Technical field
The present invention relates to a kind of instrumentation calibrating installation, be specifically related to the all-round calibrating installation of a kind of manometer equipment.
Background technology
Manometer equipment mainly contains hydraulic pressure and air pressure class, specifically there is general purpose pressure gauge, precision pressure gauge, pressure transducer etc., device for examining and determine manometer equipment is also more various, hydraulic pressure mainly can be divided into examine and determine class and air pressure calibrating class, the Chinese utility model patent being 201852675U as notification number discloses a kind of calibration device for pressure gauge, comprise fuel tank, pitcher pump, high-pressure system pipeline and low-pressure system pipeline, supercharger, blowdown valve, and two are provided with return line between blowdown valve, it is characterized in that: described supercharger comprises low-pressure area and higher-pressure region, described low-pressure area connects low-pressure system pipeline, described higher-pressure region connects high-pressure system pipeline, described high-pressure system pipeline is provided with standard test weight calibration equipment, and this device can realize pressurization, measurement range broadens, but this device is mainly for the manometer equipment of hydraulic pressure class, and automaticity is on the low side, and the stability of system is also not high enough.And for example notification number is that the Chinese utility model patent of 202793688U discloses the tensimeter calibrating installation that a kind of air makes medium, comprise air compressor machine, gas boosting pump, hand lift pump, pressure relief pipe and some interfaces, wherein, air compressor machine is connected with gas boosting pump by two pipelines, wherein a pipeline is provided with successively high-voltage regulator and air compressor machine output pressure control stop valve; Gas boosting pump is connected with outlet pipe, and outlet pipe is provided with high-pressure stop valve; Each interface is connected with the outlet pipe of gas boosting pump respectively, and interface is provided with stop valve; Hand lifts on pump and is connected with low pressure line, and this pipeline is provided with reversal valve, low-pressure regulator and low-pressure shutoff valve successively, and each interface is connected with this pipeline respectively; Pressure relief pipe is provided with blowdown valve, each interface is connected with pressure relief pipe respectively, although this device efficient quick also compares environmental protection, but mainly for the manometer equipment of air pressure class, particularly oxygen gauge, and its volume ratio is huger and heavy, the volume that general output pressure reaches the air compressor of 6MPa can reach 300mm × 350mm × 300mm, and weight reaches 20kg.
In view of this, need invention one namely to can be used for the calibrating of hydraulic pressure class manometer, may be used for again the calibrating of air pressure class manometer equipment and use the all-round calibrating installation of manometer equipment flexibly.
Summary of the invention
Problem to be solved by this invention is to provide one namely to can be used for the calibrating of hydraulic pressure class manometer, may be used for again the calibrating of air pressure class manometer equipment and uses the all-round calibrating installation of manometer equipment flexibly.
For solving the problem, the technical solution used in the present invention is:
The all-round calibrating installation of a kind of manometer equipment, it comprises integrated stand, the hydraulic-pneumatic be installed on described integrated stand comprehensively transmits device, hydraulic pressure standard, test solution pressure pressure Instrument connection device, air pressure standard, gas pressure pressure Instrument connection device and the data processing module for electrical control, described hydraulic-pneumatic comprehensively transmits in device has hydraulic power source and pneumatic supply, hydraulic pressure standard described in the hydraulic output synchronized links of described hydraulic power source and described test solution pressure pressure Instrument connection device, air pressure standard described in the air pressure outlet synchronized links of described pneumatic supply and described gas pressure pressure Instrument connection device.
Further improve as the present invention, described hydraulic power source is oil hydraulic system, the flowline comprising pumping plant and be communicated with described pumping plant and oil returning tube, described hydraulic-pneumatic comprehensively transmits device and also comprises the oil-gas converter making the calibrating air pressure of the gas in described pneumatic supply become high pressure conditions from low-pressure state, and described oil-gas converter is connected with oil returning tube with the flowline of described hydraulic power source.
Further improve as the present invention, the conversion cylinder that described oil-gas converter comprises a two-position four-way valve and is communicated with described two-position four-way valve, there is in described conversion cylinder a piston, described piston has Shang Ding and lower top and conversion cylinder is separated into atmospheric pressure cavity, plunger shaft and hydraulic cavities, described two-position four-way valve has P hydraulic fluid port, T hydraulic fluid port, A hydraulic fluid port and B hydraulic fluid port, described P hydraulic fluid port is connected with described flowline, described T hydraulic fluid port is connected with described oil returning tube, described A hydraulic fluid port is connected with described hydraulic cavities by pipeline, described B hydraulic fluid port is connected with described plunger shaft by pipeline, described atmospheric pressure cavity is connected with the air intake duct that retaining valve is housed, described atmospheric pressure cavity is connected with air pressure outlet by the gas off-take that retaining valve is housed.
Further improve as the present invention, the inflow point of described air intake duct is provided with filtrator.
Further improve as the present invention, in described hydraulic power source, be provided with oil pressure supercharging device.
Further improve as the present invention, oil pressure supercharging device comprises the first reversal valve, second reversal valve, 3rd reversal valve and pressurized cylinder, first reversal valve is for often driving reversal valve and being in flowline, its outlet is communicated with hydraulic output, the inlet communication of its import and the second reversal valve, second reversal valve is normally closed reversal valve, the outlet of the second reversal valve is communicated with the low pressure end of pressurized cylinder, low pressure end also with the inlet communication of the 3rd reversal valve, 3rd reversal valve is for often to drive reversal valve, the outlet of the 3rd reversal valve is communicated with oil returning tube, the high-pressure side of pressurized cylinder also with the outlet of the first reversal valve.
Further improve as the present invention, in hydraulic power source, be provided with stability hydraulic regulation device, in pneumatic supply, be provided with stable gas pressure regulation device.
Further improve as the present invention, data processing module has data acquisition sub-module, data scaling sub-module, electrical control sub-module and display sub-module.
Further improve as the present invention, integrated stand and be provided with shock absorbing apparatus between hydraulic power source and pneumatic supply.
Further improve as to invention, in hydraulic power source, the motor of the electric-motor pump of pumping plant is Single-phase Asynchronous Exchange Electric Motor, is provided with forced air cooler and temperature sensor in fuel tank.
Compared with prior art, the beneficial effect that the present invention obtains is:
The present invention relates to the all-round calibrating installation of a kind of manometer equipment, the calibrating installation of the calibrating installation of hydraulic pressure class instrumentation and air pressure class instrumentation is carried out integration merging, makes it have the calibrating function of two kind equipments; Controlled by same set of control system, and fit on data processing module, the collection of calibrating data, process, report generation can be completed; This system automation degree is high, uses flexibly, is applicable to outfield pressure measurement, and especially the calibrating of manometer is equipped by army in carrying out and ensureing, and integrated stand realizes the integrated of two covering devices as mounting base.
Further, oil-gas converter is provided with in pneumatic supply of the present invention, it can make the calibrating of the gas in pneumatic supply air pressure become high pressure conditions from low-pressure state, the present invention adopts this low-pressure gas of air as medium, decrease the equipment that in prior art, in air pressure class manometer equipment calibrating installation, such as air compressor equal-volume, weight are all larger, thus effectively reduce overall volume and the weight of apparatus of the present invention, and this low-pressure gas can obtain gases at high pressure of the prior art by oil-gas converter, meet the demand of calibrating.
Further, the inflow point of air intake duct of the present invention is provided with filtrator, can filter air inlet.
Further, the present invention is provided with oil pressure supercharging device, and therefore the present invention can make the pumping plant that the pumping plant in hydraulic power source adopts output oil pressure relatively low, effectively realizes supercharging and the calibration operation of hydraulic-pneumatic.Both cost can be reduced, also can comparatively smaller tremors and other labile factor.
Further, the present invention is provided with stability hydraulic regulation device, can improve accuracy of detection, simultaneously also can the security of assurance device high pressure calibrating.
Further, the present invention can be provided with shock absorbing apparatus, and this device can improve the stability of calibrating installation of the present invention.
Further, the present invention is provided with Single-phase Asynchronous Exchange Electric Motor, and it effectively can reduce vibrations, can also effectively prevent tank pressure with environment temperature ANOMALOUS VARIATIONS simultaneously, equipment is worked under normal oil temperature, when oil temperature exceedes preset temperature, automatically opens air cooler and fluid is lowered the temperature.
The all-round calibrating installation of manometer equipment provided by the present invention, carries out the ability of measurement verification, calibration or test to air pressure instrument, hydraulic instrument or pressure transducer equal pressure instrumentation and project.
Whole device volume provided by the present invention, weight are all less, use flexibly, are applicable to the field works such as army's equipment.
Device calibrating scope provided by the present invention is wide, and stability is high, and security is good, compatible strong.
Plant automation degree provided by the present invention is high, convenient operation, record etc.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the embodiment of the present invention 1;
Fig. 2 is the formation block schematic illustration of the embodiment of the present invention 1;
Fig. 3 is data process diagram of the present invention.
In accompanying drawing: 1 integrated stand, 2 hydraulic power sources, 3 pneumatic supplies, 41 hydraulic pressure standards, 42 air pressure standards, 51 test solution pressure pressure Instrument connection devices, 52 gas pressure pressure Instrument connection devices, 6 data processing modules, 21 hydraulic output, 31 air pressure outlet, 22 pumping plants, 201 flowlines, 202 oil returning tubes, 7 two-position four-way valves, 8 conversion cylinders, push up on 81, 82 times tops, 811 atmospheric pressure cavities, 831 plunger shaft, 821 hydraulic cavities, 71P hydraulic fluid port, 72T hydraulic fluid port, 73A hydraulic fluid port, 74B hydraulic fluid port, 83 air intake ducts, 84 gas off-takes, 304 retaining valves, 803 filtrators, 251 first reversal valves, 252 second reversal valves, 253 the 3rd reversal valves, 254 pressurized cylinders, 2541 low pressure ends, 2542 high-pressure sides, 451, stability hydraulic regulation device, 452 stable gas pressure regulation devices, 91 safety valve, 92 liquid reservoirs, 93 throttling valve, 94 proportional pressure control valves.
Embodiment
Below in conjunction with accompanying drawing 1,2 and 3 and specific embodiment, the present invention is described in more detail.
Embodiment 1, as shown in Figure 1, 2, the all-round calibrating installation of a kind of manometer equipment.It has integrated stand 1, integrated stand 1 is separately installed with hydraulic-pneumatic and comprehensively transmits device, hydraulic pressure standard 41, test solution pressure pressure Instrument connection device 51, air pressure standard 42, gas pressure pressure Instrument connection device 52 and the data processing module 6 for electrical control.Hydraulic-pneumatic comprehensively transmits in device has hydraulic power source 2 and pneumatic supply 3, the hydraulic output 21 synchronized links hydraulic pressure standard 41 of hydraulic power source 2 and test solution pressure pressure Instrument connection device 51, the air pressure outlet 31 synchronized links air pressure standard 42 of pneumatic supply 3 and gas pressure pressure Instrument connection device 52, hydraulic output 21 and air pressure outlet 31 place are equipped with a retaining valve 304.Hydraulic power source 2 is oil hydraulic system, comprises pumping plant 22 and the flowline 201 that is communicated with pumping plant 22 and oil returning tube 202; Pumping plant 22, can adopt output hydraulic pressure to reach the oil pressure pumping plant of 20MPa, and hydraulic-pneumatic comprehensively transmits device and also comprises the oil-gas converter making the calibrating air pressure of the gas in pneumatic supply 3 become high pressure conditions from low-pressure state.Oil-gas converter is connected with oil returning tube 202 with the flowline 201 of hydraulic power source 2.The conversion cylinder 8 that oil-gas converter comprises a two-position four-way valve 7 and is communicated with two-position four-way valve 7.Have a piston in conversion cylinder 8, piston has upper top 81 and lower top 82 and conversion cylinder 8 is separated into atmospheric pressure cavity 811, plunger shaft 831 and hydraulic cavities 821.Two-position four-way valve 7 has P hydraulic fluid port 71, T hydraulic fluid port 72, A hydraulic fluid port 73 and B hydraulic fluid port 74.P hydraulic fluid port 71 is communicated with flowline 201, and T hydraulic fluid port 72 is communicated with oil returning tube 202, and A hydraulic fluid port 73 is communicated to hydraulic cavities 821, B hydraulic fluid port 74 by oil-piping and is communicated to plunger shaft 831 by oil-piping.Atmospheric pressure cavity 811 is communicated with air intake duct 83 and gas off-take 84, air intake duct 83 and gas off-take 84 are equipped with retaining valve 304, the inflow point of air intake duct 83 is provided with filtrator 803, and make pneumatic supply 3 output pressure to reach 6MPa, corresponding barometric surveying scope is 0MPa ~ 6MPa.
Be provided with oil pressure supercharging device in hydraulic power source 2, oil pressure supercharging device comprises the first reversal valve 251, second reversal valve 252, the 3rd reversal valve 253 and pressurized cylinder 254.First reversal valve 251 is for often driving reversal valve and being in flowline 201, and its outlet is communicated with hydraulic output 21, the inlet communication of its import and the second reversal valve 252.Second reversal valve 252 is normally closed reversal valve, and the outlet of the second reversal valve 252 is communicated with the low pressure end 2541 of pressurized cylinder 254, low pressure end 2541 also with the inlet communication of the 3rd reversal valve 253.3rd reversal valve 253 is for often to drive reversal valve, the outlet of the 3rd reversal valve 253 is communicated with oil returning tube 202, the high-pressure side 2542 of pressurized cylinder 254 also with the outlet of the first reversal valve 251, make hydraulic power source 2 output hydraulic pressure to reach 60MPa, corresponding hydraulic measurement scope is 0MPa ~ 60MPa.
Be provided with stability hydraulic regulation device 451 in hydraulic power source 2, be provided with stable gas pressure regulation device 452 in pneumatic supply 3, comprise safety valve 91, liquid reservoir 92, throttling valve 93, proportional pressure control valve 94 etc., can carry out design as required and be placed in hydraulic power source 2, pneumatic supply 3.In hydraulic power source 3, the motor of the electric-motor pump of pumping plant 22 is Single-phase Asynchronous Exchange Electric Motor, is provided with forced air cooler and temperature sensor in fuel tank.
Integrated stand 1 and be provided with shock absorbing apparatus between hydraulic power source 2 and pneumatic supply 3.Data processing module 6 has data acquisition sub-module, data scaling sub-module, electrical control sub-module and display sub-module.
In operating process, in hydraulic pressure calibrating, original state, first reversal valve 251 is open-minded, second reversal valve 252 cuts out, and the 3rd reversal valve 253 is open-minded, and the high-pressure side 2542 that fluid flows directly to pressurized cylinder 254 from flowline 201 through the first reversal valve 251 makes it be in idle state.If start to carry out hydraulic pressure calibration operation, then the first reversal valve 251 cuts out, second reversal valve 252 is open-minded, 3rd reversal valve 253 cuts out, fluid enters the low pressure end 2541 of pressurized cylinder 254 through the second reversal valve 252 from flowline 201, a supercharging job is carried out to the original fluid of high-pressure side 2542, then each reversal valve gets back to original state again, fluid flows to oil returning tube 202 from the low pressure end 2541 of pressurized cylinder 254 through the 3rd reversal valve 253, by the time pressurized cylinder 254 gets back to original state, then a supercharging job is repeated again, circulation like this, higher more stable hydraulic pressure can be exported, for examining and determine hydraulic pressure instrument.And in air pressure calibrating, original state, P hydraulic fluid port 71 and B hydraulic fluid port 74 are connected, T hydraulic fluid port 72 and A hydraulic fluid port 73 are connected, fluid flow into plunger shaft 831 from flowline 201 through two-position four-way valve 7, piston is sunk to hydraulic cavities 821 bottom makes it be in idle state, if start to carry out air pressure calibration operation, then P hydraulic fluid port 71 and A hydraulic fluid port 73 are connected, T hydraulic fluid port 72 and B hydraulic fluid port 74 are connected, fluid flow into hydraulic cavities 821 from flowline 201 through two-position four-way valve 7, fluid in plunger shaft 831 flow back into oil returning tube 202 through two-position four-way valve 7, piston just can rise, meanwhile, the retaining valve 304 of air intake duct 83 is opened, the retaining valve 304 of gas off-take 84 is closed, air enters atmospheric pressure cavity 811 and become gases at high pressure after piston compression, complete a supercharging job, then the retaining valve 304 on two-position four-way valve 7 and air intake duct 83 and gas off-take 84 switches back original state, now fluid will flow into plunger shaft 831 from flowline 201 through two-position four-way valve 7 again, and the fluid in hydraulic cavities 821 flow back into oil returning tube 202 through two-position four-way valve 7, return to original state, again the retaining valve 304 on two-position four-way valve 7 and air intake duct 83 and gas off-take 84 is switched to duty, complete a supercharging job again, circulation like this, higher more stable air pressure can be exported, for examining and determine air pressure instrument.
In implementation process, wherein hydraulic power source 2, pneumatic supply 3 is mainly hydraulic pressure instrument, the measurement verification of atmospheric pressure instrument provides required pressure and flow, after designing, has stainless steel fuel tank system to the pumping plant 22 of hydraulic power source 2, integrated valve block, pipe system, electric-motor pump, high pressure filter, return filter, cooling system, electrical control, electric-motor pump is the power source of system, and be also easy vibrative place, it is by mounting base, damper element, motor, bell jar and shaft coupling, the compositions such as hydraulic pump, motor is Single-phase Asynchronous Exchange Electric Motor, in order to reduce vibrations, under the connection scheme and mounting base of motor and pump, the oil inlet and outlet pipeline of pump all needs consider shock-absorbing, select ram pump, most high output pressure can reach 70MPa, the plunger case that this kind of ram pump joins formula star-arrangement by valve forms, larger flow can be realized by the parallel connection configuration reaching 6 organ timbering plug cylinders to export, generally driving is undertaken by a motor be connected with pump by flange and shaft coupling, and fuel tank is by stainless steel casing, oil absorption filter, liquid level gauge, thermometer, oil drain hole, return filter, the compositions such as ventilation filtrator, be all-sealed structure form, casing adopts stainless steel material ensure that the unlikely generation corrosion of Long-Time Service and pollute fluid, in order to ensure that hydraulic pump sucks the cleanliness of fluid, extend the serviceable life of pump, fuel tank has been installed oil absorption filter and return filter, assembling can be removed like this, maintenance, wearing and tearing or the fifth wheel entered from oil return opening, thus make hydraulic pump protected, and on fuel tank setting pressure switch, when after filter core blocking, there is warning function, can more renew cartridge in time, for the ease of understanding level condition in fuel tank, at an end face of fuel tank, liquid level gauge is installed, the temperature of oil can be measured simultaneously, at tank bottoms, drain the oil interface and cleaning interface are set, be convenient to cleaning fuel tank and wash cycles is carried out to hydraulic oil, in order to prevent tank pressure with environment temperature ANOMALOUS VARIATIONS, the pollutant such as dust in the isolated external world, the ventilation filtrator that filtering accuracy is 10u is provided with at top of oil-tank, doublely can do oiling interface to use simultaneously.Install forced air cooler and temperature sensor additional, be that equipment works under normal oil temperature, when oil temperature exceedes preset temperature be, automatically open air cooler and fluid is lowered the temperature.Electrical control mainly realizes the start and stop of electric-motor pump, and various warning and Presentation Function, and band digital display and simulation export in real time.
The pressure calibration value that data processing module 6 realizes air pressure and hydraulic pressure calibrating accurately controls, shows, records pressure curve, realizes all electric and remote control functions.Concrete data handling procedure is shown in accompanying drawing 3, data processing module 6 has data acquisition sub-module, data scaling sub-module, electrical control sub-module and display sub-module, first start and stop and the Presentation Function of electric-motor pump is controlled by electrical control sub-module, band digital display and simulation export in real time, then data acquisition sub-module is responsible for pick-up transducers data, demarcate by demarcating sub-module again, then by the display of display sub-module.Advanced microelectric technique and microcomputer is adopted to assist observation and control technology to carry out the work such as printing of the condition monitoring of calibrating installation, calibrating design of scheme, calibrating automatic data collection and process, probation redport.The elements such as proportion of utilization surplus valve, high-precision flow control valve, control the pressure, time, flow, temperature etc. of calibrating installation; Monitored by the various parameters of various sensor to calibrating installation.Comprise system oil temperature control and display, level sensing, plugged filter reported to the police, motor runs instruction, reversal valve energising instruction, pressure display, the monitoring of various safe condition and display etc.Hardware system, primarily of microsystem, is with the various kinds of sensors of transmitter, general multifunctional A/D, D/A interface board, the compositions such as relay terminal plate, program-controlled signal generator.A printer is selected to complete the printing of probation redport.Adopt accurate stabilized voltage supply power supply technique, independent loop power supply is adopted to various instrument, meets Design of System Software.
This calibrating installation reasonable in design, power transmission and load are reasonable, have enough intensity, rigidity and fatigue resistance, are suitable for field calibration operation; Test pressure can reach 70MPa, and output pressure can step-less adjustment, and rate of pressure rise can set; Adopt jumbo oil pressure-air pressure conversion equipment, make without high-pressure air source equipment in equipment, make full use of oil sources pumping plant, the calibrating that can meet the air pressure instrument of 0MPa ~ 6MPa requires the calibrating requirement with the hydraulic instrument of 0MPa ~ 60MPa.System Working Principle: pressure calibration adopts relative method, the electrical control sub-module of data processing module 6 drives hydraulic power source 2, hydraulic pressure needed for generation or atmospheric pressure, synchronism output gives tested manometer connector and pressure standard meter, tested manometer connector put into by tested manometer, then can realize detecting, tested manometer connector comprises test solution pressure pressure Instrument connection device 51 and gas pressure pressure Instrument connection device 52, pressure standard meter comprises hydraulic pressure standard 41 and air pressure standard 42, the measurement data of pressure standard meter and tested manometer is through the laggard row relax of data processing module 6 and feedback, the system pressure that pressure standard meter is tested is stabilized in setting value, now, the measurement data of pressure standard meter and data processing module 6 is recorded and data processing, and judge that whether tested table is qualified according to the vertification regulation preset, export measurement verification result.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the principle of the invention and spirit, all should be contemplated as falling with within claims of the present invention.

Claims (5)

1. the all-round calibrating installation of manometer equipment, it is characterized in that: it comprises integrated stand (1), the hydraulic-pneumatic be installed on described integrated stand (1) comprehensively transmits device, hydraulic pressure standard (41), test solution pressure pressure Instrument connection device (51), air pressure standard (42), gas pressure pressure Instrument connection device (52) and the data processing module (6) for electrical control, described hydraulic-pneumatic comprehensively transmits in device has hydraulic power source (2) and pneumatic supply (3), the hydraulic output (21) of described hydraulic power source (2) is connected with described test solution pressure pressure Instrument connection device (51) with described hydraulic pressure standard (41) by tunnel synchronization, the air pressure outlet (31) of described pneumatic supply (3) is connected with described gas pressure pressure Instrument connection device (52) with described air pressure standard (42) by tunnel synchronization,
Described hydraulic power source (2) is oil hydraulic system, the flowline (201) comprising pumping plant (22) and be communicated with described pumping plant (22) and oil returning tube (202), described hydraulic-pneumatic comprehensively transmits device and also comprises the oil-gas converter making the calibrating air pressure of the gas in described pneumatic supply (3) become high pressure conditions from low-pressure state, and described oil-gas converter is connected with oil returning tube (202) with the flowline (201) of described hydraulic power source (2).
2. the all-round calibrating installation of a kind of manometer equipment according to claim 1, it is characterized in that: the conversion cylinder (8) that described oil-gas converter comprises a two-position four-way valve (7) and is communicated with described two-position four-way valve (7), there is in described conversion cylinder (8) piston, described piston has upper top (81) He Xiading (82) and conversion cylinder (8) is separated into atmospheric pressure cavity (811), plunger shaft (831) and hydraulic cavities (821), described two-position four-way valve (7) has P hydraulic fluid port (71), T hydraulic fluid port (72), A hydraulic fluid port (73) and B hydraulic fluid port (74), described P hydraulic fluid port (71) is connected with described flowline (201), described T hydraulic fluid port (72) is connected with described oil returning tube (202), described A hydraulic fluid port (73) is connected with described hydraulic cavities (821) by pipeline, described B hydraulic fluid port (74) is connected with described plunger shaft (831) by pipeline, described atmospheric pressure cavity (811) is connected with the air intake duct (83) that retaining valve (304) are housed, described atmospheric pressure cavity (811) is connected with air pressure outlet (31) by the gas off-take (84) that retaining valve (304) are housed.
3. the all-round calibrating installation of a kind of manometer equipment according to claim 2, is characterized in that: the inflow point of described air intake duct (83) is provided with filtrator (803).
4. the all-round calibrating installation of a kind of manometer equipment according to any one of claim 1-3, is characterized in that: described hydraulic power source is provided with oil pressure supercharging device in (2).
5. the all-round calibrating installation of a kind of manometer equipment according to claim 4, it is characterized in that: described oil pressure supercharging device comprises the first reversal valve (251), second reversal valve (252), 3rd reversal valve (253) and pressurized cylinder (254), described first reversal valve (251) is for often driving reversal valve and being in flowline (201), its outlet is communicated with hydraulic output (21), the inlet communication of its import and the second reversal valve (252), second reversal valve (252) is normally closed reversal valve, the outlet of the second reversal valve (252) is communicated with the low pressure end (2541) of described pressurized cylinder (254), described low pressure end (2541) also with the inlet communication of described 3rd reversal valve (253), described 3rd reversal valve (253) is for often to drive reversal valve, the outlet of described 3rd reversal valve (253) is communicated with oil returning tube (202), the high-pressure side (2542) of described pressurized cylinder (254) also with the outlet of described first reversal valve (251).
CN201310472582.9A 2013-10-11 2013-10-11 The all-round calibrating installation of a kind of manometer equipment Expired - Fee Related CN103557990B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310472582.9A CN103557990B (en) 2013-10-11 2013-10-11 The all-round calibrating installation of a kind of manometer equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310472582.9A CN103557990B (en) 2013-10-11 2013-10-11 The all-round calibrating installation of a kind of manometer equipment

Publications (2)

Publication Number Publication Date
CN103557990A CN103557990A (en) 2014-02-05
CN103557990B true CN103557990B (en) 2016-04-06

Family

ID=50012300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310472582.9A Expired - Fee Related CN103557990B (en) 2013-10-11 2013-10-11 The all-round calibrating installation of a kind of manometer equipment

Country Status (1)

Country Link
CN (1) CN103557990B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860505A (en) * 2017-10-11 2018-03-30 马鞍山合力仪表有限责任公司 A kind of all-round calibrating installation of manometer equipment
CN109374201B (en) * 2018-11-07 2021-02-09 中国航空工业集团公司西安飞机设计研究所 Multifunctional pressure calibration device
CN111947832A (en) * 2020-08-11 2020-11-17 董伟 Internet-based pressure gauge detection system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2562177Y (en) * 2002-08-27 2003-07-23 李尚文 Pressure gauge verifier
CN2585210Y (en) * 2002-12-01 2003-11-05 中国石化集团江汉石油管理局仪表厂 Automatic pressure gauge calibrating instrument
CN2639869Y (en) * 2003-06-10 2004-09-08 北京市海淀区中航机电研究所 Electric pressure checking table
CN2655214Y (en) * 2003-10-30 2004-11-10 江苏红光仪表厂 Automatic checking device for pressure meter
CN1595088A (en) * 2003-07-21 2005-03-16 陕西帅克传感仪器制造有限公司 Full-automatic accurate pressure testing control instrument
CN201170748Y (en) * 2007-02-06 2008-12-24 刘承荣 Multifunctional pressure vacuum checkout device
CN202614465U (en) * 2012-06-19 2012-12-19 杭州石林自动化工程有限公司 Full automatic pressure checking table of high hydrostatic pressure differential pressure transmitter
CN103234696A (en) * 2013-04-26 2013-08-07 南京化工职业技术学院 Differential pressure transmitter checking instrument

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2562177Y (en) * 2002-08-27 2003-07-23 李尚文 Pressure gauge verifier
CN2585210Y (en) * 2002-12-01 2003-11-05 中国石化集团江汉石油管理局仪表厂 Automatic pressure gauge calibrating instrument
CN2639869Y (en) * 2003-06-10 2004-09-08 北京市海淀区中航机电研究所 Electric pressure checking table
CN1595088A (en) * 2003-07-21 2005-03-16 陕西帅克传感仪器制造有限公司 Full-automatic accurate pressure testing control instrument
CN2655214Y (en) * 2003-10-30 2004-11-10 江苏红光仪表厂 Automatic checking device for pressure meter
CN201170748Y (en) * 2007-02-06 2008-12-24 刘承荣 Multifunctional pressure vacuum checkout device
CN202614465U (en) * 2012-06-19 2012-12-19 杭州石林自动化工程有限公司 Full automatic pressure checking table of high hydrostatic pressure differential pressure transmitter
CN103234696A (en) * 2013-04-26 2013-08-07 南京化工职业技术学院 Differential pressure transmitter checking instrument

Also Published As

Publication number Publication date
CN103557990A (en) 2014-02-05

Similar Documents

Publication Publication Date Title
CN102323158B (en) High pressure safety valve detection system
CN103557990B (en) The all-round calibrating installation of a kind of manometer equipment
CN203688174U (en) Device capable of onsite detecting transformer oil leakage and gas relay alarm performance
CN202073872U (en) Driving experiment device of hydraulic motor for airplane generator
CN202108810U (en) Hydraulic and barometric element detecting system of well control device
CN103352900A (en) Heavy-duty mining dump vehicle hydraulic oil cylinder/hydraulic valve test table
CN105181355A (en) Multifunctional testing device of air brake system of tractor transportation unit
CN104198293A (en) Gas cylinder hydraulic bursting test device with functions of speed regulation and continuous water replenishing
CN201297166Y (en) Movable multifunctional hydraulic test system
CN202851518U (en) Digital display hydraulic cylinder
CN204003790U (en) Centrifugal governor test stand
CN107355433B (en) Electric connector pulling-out force test device and its method
CN201876391U (en) Test bench for testing water pressure strength of cylinder
CN203365115U (en) Hydraulic valve maintenance comparison test bench
CN204269161U (en) A kind of parts with small hole fluid flow proving installation
CN205002971U (en) Many functional test of tractor transportation unit gas braking system device
CN204556191U (en) A kind of automobile axial plunger pump pick-up unit
CN108916020B (en) Automatic detection equipment for pressure maintaining of hydraulic pump
CN204165838U (en) A kind of hydraulic pressure demolition device
CN204357841U (en) A kind of cleaning oil-sealing testing apparatus
CN204043900U (en) A kind of valve hydraulic actuator pilot system
CN104929994B (en) Gas-liquid conversion energy-conserving work station
CN205260450U (en) Intelligence hydraulic tank device
CN107642519A (en) A kind of portable multi-function hydraulic oil detection and maintained equipment
CN106586030A (en) Flow equalizing coordination valve test table

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160406

Termination date: 20161011

CF01 Termination of patent right due to non-payment of annual fee