CN2585210Y - Automatic pressure gauge calibrating instrument - Google Patents

Automatic pressure gauge calibrating instrument Download PDF

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Publication number
CN2585210Y
CN2585210Y CN 02284501 CN02284501U CN2585210Y CN 2585210 Y CN2585210 Y CN 2585210Y CN 02284501 CN02284501 CN 02284501 CN 02284501 U CN02284501 U CN 02284501U CN 2585210 Y CN2585210 Y CN 2585210Y
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China
Prior art keywords
pressure
piston
counterweight
valve
fixed
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CN 02284501
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Chinese (zh)
Inventor
王北潜
唐启林
任治兵
杜明甫
廖任清
周家磊
彭四庭
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Jianghan Oilfield Keruide Petroleum Engineering Technology (Wuhan) Co., Ltd.
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INSTR FACTORY JIANGHAN PETROLE
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Abstract

The utility model relates to a full automatic pressure gauge calibrating instrument, which is characterized in that the full automatic pressure gauge calibrating instrument is provided with a full automatic piston pressure gauge which can provide a standard pressure source, a pressure lifting adjustment controller which can automatically adjust and control the pressure of the piston pressure gauge, a constant temperature cabinet which can provide constant temperature condition for a measured pressure gauge, an air passage pressure sensor which can sense air passage pressure and can transfer the induction signal to a computer, the computer which can control the air pressure, the oil pressure, the temperature, the piston position and the automatic plus-minus and automatic correction of weights of the whole full automatic pressure gauge calibrating instrument, and a machine cabinet. The utility model has the advantages that the full automatic pressure gauge calibrating instrument can realize full automation calibration to the pressure gauges of various types, and the calibration is precise and can not be influenced by external environment.

Description

A kind of full-automatic pressure meter calibrating installation
Technical field: the utility model relates to the calibrating installation of pressure gauge, thermometer demarcation.
Background technology: at present, the domestic equipment that is used for the pressure gauge demarcation mainly is as standard pressure generator by the common standard piston gage, the standard temperature environment of pressure gauge demarcation is provided by constant temperature air bath or constant temperature oil bath, also utilize high-precision pressure sensor, be re-used as standard pressure generator after demarcating, revise by piston gage comparison.The standard piston-type pressure meter is to come gaging pressure according to the statical equilibrium principle of pressure transmitting medium, the precision of pressure is to guarantee by the counterweight quality that applies standard on the piston of standard area, it has characteristics such as precision height, good stability, measurement range be wide, but need a dead lift plus-minus counterweight and the pressurization of rotation threaded screw rod, operating process is required very strict, and environmental baseline also there is specific requirement, otherwise can't reach the requirement of pressure precision, thereby labour intensity is big, efficient is low, complicated operation, and can't realize the robotization of calibration process.With high-precision pressure sensor as standard pressure generator, can with intelligent pressure regulating system and temperature-controlling system decomposition pressure automatic calibration device, realization is demarcated automatically to pressure gauge, it has simple, the lower-cost characteristics of system architecture, but pressure can not reach degree of precision, each all necessary preheating certain hour of operational system that starts, to guarantee that pressure sensor temperature is stable, precision stability is poor, and the standard piston-type pressure meter that needs to carry out complex operations often, is continually compared demarcation with it, revised.These two kinds of calibration facility scope of applications have limitation, can't satisfy full-automatic demarcation of pressure gauge of kind of form.
The content of utility model: the purpose of utility model is exactly to provide a kind of full-automatic pressure meter calibrating installation at the above-mentioned deficiency of equipment of existing pressure gauge demarcation, it can realize the manometric demarcation of various types full-automatic, demarcate accurately, be not subjected to the influence of external environment, the efficient height.A kind of full-automatic pressure meter calibrating installation is characterized in that it has pressure lifting control set for adjusting, one that a fully automatic piston type pressure gauge that standard pressure generator is provided, pressure to piston gage carries out auto-control the constant temperature oven of constant temperature, induction gas circuit pressure to be provided and to send induced signal to the gas circuit pressure transducer of computing machine, air pressure, oil pressure, temperature, piston position, counterweight are added and subtracted automatically and counterweight is revised automatically computing machine and rack of a whole device of control for tested pressure gauge; Fully automatic piston type pressure is in respect of a counterweight plus-minus operating-controlling mechanism that is used for adding and subtracting automatically counterweight, one is used for the load-bearing counterweight, measure counterweight and measured data are sent to the piston load-bearing measuring mechanism of computing machine by sensor, a piston level measurement device that is used to measure the normal pressure equilibrium position of piston load-bearing measuring mechanism, a piston temperature measuring mechanism that is used to measure the in good time temperature of piston, a counterweight correction-compensation mechanism that is used to revise counterweight, the counterweight rotary drive mechanism of a driven plunger rotation; The pressure lifting control set for adjusting has a servo driving pressure making device (39) that is used to regulate pressure, one to be used for the electric ratio supercharge pump 40 of precompressed, electric proportional relief valve that is used for the oil circuit release 41, an induction oil circuit pressure being provided and induced signal being sent to oil circuit pressure transducer 42 and the fuel tank to the oil circuit fuel feeding of computing machine to oil circuit.
Counterweight plus-minus operating-controlling mechanism is made up of column 1, four connecting rod three-jaw counterweight claw devices 2, upper mounted plate 3, middle fixed head 4 and bottom plate 5; Four connecting rod three-jaw counterweight claw devices 2 are made up of driven claw 6, driven claw 7, active claw 8, pull bar 9, roller 10, cylinder 11, bidirectional speed governing valve 12, solenoid directional control valve 13, position transducer 32 and counterweight support bar centralizer 63;
Piston load-bearing measuring mechanism is made up of standard test weight 14, piston 15, piston cylinder 16, piston seat 17, counterweight support bar 18, counterweight support ring 19, weight tray 20; On piston seat 17, have interface 33;
The piston temperature measuring mechanism is made up of temperature sensor 21 and temperature transmitter 22;
Counterweight correction-compensation mechanism 23, counterweight correction-compensation mechanism 23 is by compensation weight 24, driving cylinder or oil cylinder 25, solenoid directional control valve 26, fixed mount 27, backstay 64 and suspending rod
28 form;
The piston level measurement device is by descending locating piece 29, last fixed cover 30 and sash weight 31 to form;
The counterweight rotary drive mechanism is made up of electric rotating machine 34, driving pulley 35, driving belt 36, driven pulley 37 and driving lever 38;
The pressure lifting control set for adjusting is made up of servo driving pressure making device 39, electric ratio supercharge pump 40, electric proportional relief valve 41, oil circuit pressure transducer 42 and fuel tank 43;
Servo driving pressure making device 39 is made up of servomotor 44, speed reduction unit 45, fixed support 46, piston 47, piston cylinder 48, feed screw nut 49, screw mandrel 50, runing rest 51, drive plate 52 and position transducer 53;
Electric proportional relief valve 41 by electric proportional control valve 54, valve seat 55, pressure-release valve holder 56, pressure-release valve drive cylinder 57, needle-valve spool 58, spring 59, " O " form by shape circle 60 and web member 61;
Driven claw 6 flexibly connects with driven claw 7, one end of pull bar 9 and driven claw 7 flexibly connect, the other end and initiatively claw 8 flexible connections, on the pawl of driven claw 6, driven claw 7 and active claw 8, roller 10 is installed, on driven claw 6, driven claw 7 and active claw 8, is had pilot hole.Drive cylinder 11 and be fixed on the active claw 8, two-way speed-regulating valve 12 is connected and drives on the cylinder 11, and solenoid directional control valve 13 links to each other with two-way speed-regulating valve 12 by tracheae; Column 1 is fixed on the bottom plate 5, upper mounted plate 3 and middle fixed head 4 are enclosed within on the column respectively, counterweight support bar centralizer 63 is installed in the center pit of upper mounted plate 3, with driven claw 6, driven claw 7 and active claw 8 are inserted in column 1 by pilot hole, piston cylinder 16 sealings are packed in the piston seat 17, piston 15 is inserted in the piston cylinder 16, piston seat 17 is fixed on the bottom plate 5, counterweight support ring 19 and weight tray 20 are inserted in counterweight support bar 18, support bar 18 passes counterweight support bar centralizer 63, middle fixed head 4 links to each other with piston 15, standard test weight 14 is placed on the four connecting rod three-jaw counterweight claw devices 2, the coaxial place of fixed head 4 and support bar 18 during position transducer 32 is fixed on, temperature sensor 21 is fixed on the piston seat 17, and is electrically connected with temperature transmitter 22; Fixed mount 27 is fixed on the upper mounted plate 3, driving cylinder or oil cylinder 25 is fixed on the fixed mount 27, and communicate with solenoid directional control valve 26 by tracheae, suspending rod 28 1 ends link to each other with the piston that drives cylinder or oil cylinder 25, compensation weight 24 hangs on the suspending rod head of suspending rod 28 other ends, compensation weight 24 is suspended on the weight tray 20, backstay 64 is contained on the fixed mount 27, driving pulley 35 is contained on the electric rotating machine 34 and is fixed on the fixed mount 27, driven pulley 37 by bearing be contained in the coaxial upper mounted plate 3 of counterweight cramp bar 18 on, driving pulley 35 links to each other by driving belt 36 with driven pulley 37, and driving lever 38 is fixed on the counterweight cramp bar 18; Servomotor 44 is installed on the fixed support 46 by speed reduction unit 45, piston cylinder 48 is fixed on the fixed support 46 by feed screw nut 49, one end of runing rest 51 by bearing holder (housing, cover) on feed screw nut 49, the other end is connected on the output shaft of speed reduction unit 45, piston 47 is contained on the end of screw mandrel 50, and insert in the piston cylinders 48 by feed screw nut 49, the other end of screw mandrel 50 be enclosed within on the runing rest 51 movably on the drive plate 52; Valve seat 55 is fixed on the pressure-release valve holder 56, " " shape circle 60 is contained in the pressure-release valve holder 56 O, spring 59 is enclosed within on the needle-valve spool 58, needle-valve spool 58 passes that " " shape circle 60 inserts in the spool bore of valve seats 55 O, pressure-release valve drives cylinder 57 and links to each other with pressure-release valve holder 56 by web member 61, and electric proportional control valve 54 drives cylinder 57 by tracheae and pressure-release valve and communicates; The import of electric ratio supercharge pump 40 communicates with fuel tank 43, its outlet communicates with pressure transducer 4 imports by high-pressure oil pipe, the outlet of oil circuit pressure transducer 42 communicates with the import of servo driving pressure making device 39 and electric proportional relief valve 41 respectively by high-pressure oil pipe, the outlet of electric proportional relief valve 41 communicates by the import of low pressure pipe with fuel tank 43, on high-pressure oil pipe, electric proportional relief valve 41 or oil circuit pressure transducer 42 can be provided with external interface 62; The external interface 62 of pressure lifting control set for adjusting communicates by the interface 33 on the manometric piston seat 17 of oil pipe and fully automatic piston type; Solenoid directional control valve 13, solenoid directional control valve 26, gas circuit pressure transducer, electric ratio supercharge pump 40, electric proportional relief valve 41 are connect the external pressure source of the gas by tracheae, solenoid directional control valve 13, solenoid directional control valve 26, gas circuit pressure transducer, electric ratio supercharge pump 40, electric proportional relief valve 41 are electrically connected with computing machine, and the temperaturecontrol sensor of the liquid level sensor of oil circuit pressure transducer 42, temperature sensor 21, position transducer 53, temperature transmitter 22, fuel tank 43, electric rotating machine 34 and constant temperature oven is electrically connected with computing machine; Fully automatic piston type pressure gauge, pressure lifting control set for adjusting and computing machine are packed in separately the rack.Advantage of the present utility model is that it can realize the manometric demarcation of various types full-automaticly, demarcates accurately, is not subjected to the influence of external environment, the efficient height.
Description of drawings: accompanying drawing 1 is the structural representation of the utility model fully automatic piston type pressure gauge
Figure.
Accompanying drawing 2 is the A-A mansion TV structure synoptic diagram of the utility model accompanying drawing 1.
Accompanying drawing 3 is the utility model counterweight correction-compensation mechanism and counterweight rotation
The driving mechanism structure synoptic diagram.
Accompanying drawing 4 is the utility model servo driving pressure making device structural representation.
Accompanying drawing 5 is the structural representation of the electric proportional control pressure relief means thereon of the utility model
Figure.
Accompanying drawing 6 is the structural representation of the utility model pressure lifting control set for adjusting
Figure.
Accompanying drawing 7 is the utility model computer control block diagram.
Embodiment: computing machine is the industrial control computer that executive routine and data processing capture card are housed, parts such as solenoid directional control valve, electric ratio supercharge pump, pressure transducer, cylinder and piston adopt common machining process processing, and the connected mode of by specification and Figure of description is connected and gets final product.During use tested pressure gauge packed in the constant temperature oven on the checking joint, according to tested fixed manometric pressure and temperature scope, the corresponding software of operation on control computer, set each parameter of verification process, device is heated automatically and constant temperature is being provided with under the temperature, start the counterweight rotary drive mechanism, driving counterweight cramp bar 18 rotates under no radial force situation, electric proportional control pressure-release valve 41 cuts out, according to predetermined pressure Automatic Combined counterweight, counterweight plus-minus operating-controlling mechanism is placed the counterweight that needs under cylinder 11 and 2 drivings of four connecting rod three-jaw counterweight claw devices, and according to the acceleration of gravity of territory of use, atmospheric density, the temperature of piston, liquid level is poor, conditions such as current pressure range are controlled the counterweight correction-compensation automatically, apply additional corrections weight group, automatic weighing is to guarantee the accuracy of pressure.Give system's supercharging by electric ratio supercharge pump 40 then, when pressure rises to predetermined pressure, electric ratio supercharge pump 40 quits work, and servomotor 44 drive screw mandrels 50 rotations by servo driving pressure making device 39 make system's pressurization, when pressure is delivered to piston 15, counterweight support bar 18 will float, and the piston position measuring mechanism is measured the position height of piston 15, and servo driving pressure making device 39 is finely tuned, make piston 15 maintain the equilibrium position, pressure stability is in the value of setting.During decompression, servo driving pressure making device 39 quits work, start electric proportional relief valve 41 releases, when pressure is reduced to predetermined pressure, close electric proportional relief valve 41, counterweight plus-minus operating-controlling mechanism holds up the counterweight that need deduct under cylinder 11 and 2 drivings of four connecting rod three-jaw counterweight claw devices, and according to the acceleration of gravity of territory of use, atmospheric density, the temperature of piston, liquid level is poor, conditions such as current pressure range, again control the counterweight correction-compensation automatically, conversion applies additional corrections weight group, the servomotor 44 of servo driving pressure making device 39 drives screw mandrel 50 reverse rotations, give system decompression by set pressure, and finely tune, make piston 15 be operated in the equilibrium position.So add, decompression cycle, finish all pressure verification process, counterweight rotary drive mechanism, servo driving pressure making device 39 quit work, and start electric proportional relief valve 41 releases.Computing machine changes the regulation and control and the pressure calibrating circulation of next temperature spot of constant temperature oven automatically over to, finish under different pressures meter pressure amount, different nominal pressure point, different constant voltage time, different temperature points and constant temperature time, the different cycle index situation, pressure gauge is carried out overall process demarcate automatically.Full-automatic pressure meter calibrating installation also can carry out semi-automatic, manual operation
Our unit has declared applying for a patent of " the automatic counterweight plus-minus of a kind of full-automatic pressure meter calibrating installation operating-controlling mechanism ", " the automatic counterweight correction-compensation of a kind of full-automatic pressure meter calibrating installation mechanism " and " a kind of full-automatic pressure meter calibrating installation automatic pressure lift adjustment control gear " on the same day.Embodiment, using method and principle of work see also this application patent.

Claims (4)

1, a kind of full-automatic pressure meter calibrating installation is characterized in that it has pressure lifting control set for adjusting, one that a fully automatic piston type pressure gauge that standard pressure generator is provided, pressure to piston gage carries out auto-control the constant temperature oven of constant temperature, induction gas circuit pressure to be provided and to send induced signal to the gas circuit pressure transducer of computing machine, air pressure, oil pressure, temperature, piston position, counterweight are added and subtracted automatically and counterweight is revised automatically computing machine and rack of a whole device of control for tested pressure gauge; Fully automatic piston type pressure is in respect of a counterweight plus-minus operating-controlling mechanism that is used for adding and subtracting automatically counterweight, one is used for the load-bearing counterweight, measure counterweight and measured data are sent to the piston load-bearing measuring mechanism of computing machine by sensor, a piston level measurement device that is used to measure the normal pressure equilibrium position of piston load-bearing measuring mechanism, a piston temperature measuring mechanism that is used to measure the in good time temperature of piston, a counterweight correction-compensation mechanism that is used to revise counterweight, the counterweight rotary drive mechanism of a driven plunger rotation; The pressure lifting control set for adjusting has a servo driving pressure making device (39) that is used to regulate pressure, one to be used for electric ratio supercharge pump (40), electric proportional relief valve (41), an induction oil circuit pressure that one is used for the oil circuit release of precompressed being provided and induced signal being sent to oil circuit pressure transducer (42) and the fuel tank to the oil circuit fuel feeding of computing machine to oil circuit.
2, a kind of full-automatic pressure meter calibrating installation according to claim 1 is characterized in that counterweight plus-minus operating-controlling mechanism is made up of column (1), four connecting rod three-jaw counterweight claw devices (2), upper mounted plate (3), middle fixed head (4) and bottom plate (5); Four connecting rod three-jaw counterweight claw devices (2) are made up of driven claw (6), driven claw (7), active claw (8), pull bar (9), roller (10), cylinder (11), bidirectional speed governing valve (12), solenoid directional control valve (13), position transducer (32) and counterweight support bar centralizer (63);
Piston load-bearing measuring mechanism is made up of standard test weight (14), piston (15), piston cylinder (16), piston seat (17), counterweight support bar (18), counterweight support ring (19), weight tray (20); On piston seat (17), have interface (33);
The piston temperature measuring mechanism is made up of temperature sensor (21) and temperature transmitter (22);
Counterweight correction-compensation mechanism (23) is made up of compensation weight (24), driving cylinder or oil cylinder (25), solenoid directional control valve (26), fixed mount (27), backstay (64) and suspending rod (28);
The piston level measurement device is by descending locating piece (29), last fixed cover (30) and sash weight (31) to form;
The counterweight rotary drive mechanism is made up of electric rotating machine (34), driving pulley (35), driving belt (36), driven pulley (37) and driving lever (38);
The pressure lifting control set for adjusting is made up of servo driving pressure making device (39), electric ratio supercharge pump (40), electric proportional relief valve (41), oil circuit pressure transducer (42) and fuel tank (43);
Driven claw (6) flexibly connects with driven claw (7), one end of pull bar (9) and driven claw (7) flexibly connect, the other end and initiatively claw (8) flexible connection, on the pawl of driven claw (6), driven claw (7) and active claw (8), roller (10) is installed, on driven claw (6), driven claw (7) and active claw (8), have pilot hole, driving cylinder (11) is fixed on the active claw (8), two-way speed-regulating valve (12) is connected and drives on the cylinder (11), and solenoid valve (13) links to each other with two-way speed-regulating valve (12) by tracheae; Column (1) is fixed on the bottom plate (5), upper mounted plate (3) and middle fixed head (4) are enclosed within on the column respectively, counterweight support bar centralizer (63) is installed in the center pit of upper mounted plate (3), with driven claw (6), driven claw (7) and active claw (8) are inserted in column (1) by pilot hole, piston cylinder (16) sealing is packed in the piston seat (17), piston (15) is inserted in the piston cylinder (16), piston seat (17) is fixed on the bottom plate (5), counterweight support ring (19) and weight tray (20) are inserted in counterweight support bar (18), support bar (18) passes counterweight support bar centralizer (63), middle fixed head (4) links to each other with piston (15), standard test weight (14) is placed on the four connecting rod three-jaw counterweight claw devices (2), position transducer (32) is fixed on the coaxial place of middle fixed head (4) and support bar (18), temperature sensor (21) is fixed on the piston seat (17), and is electrically connected with temperature transmitter (22); Fixed mount (27) is fixed on the upper mounted plate (3), driving cylinder or oil cylinder (25) is fixed on the fixed mount (27), and communicate with solenoid directional control valve (26) by tracheae, suspending rod (28) one ends link to each other with the piston that drives cylinder or oil cylinder (25), compensation weight (24) hangs on the suspending rod head of suspending rod (28) other end, compensation weight (24) is suspended on the weight tray (20), backstay (64) is contained on the fixed mount (27), driving pulley (35) is contained in electric rotating machine (34) and goes up and be fixed on the fixed mount (27), driven pulley (37) by bearing be contained in the coaxial upper mounted plate (3) of counterweight cramp bar (18) on, driving pulley (35) links to each other by driving belt (36) with driven pulley (37), and driving lever (38) is fixed on the counterweight cramp bar (18); The import of electric ratio supercharge pump (40) communicates with fuel tank (43), its outlet communicates with pressure transducer (4) import by high-pressure oil pipe, the outlet of oil circuit pressure transducer (42) communicates with the import of servo driving pressure making device (39) and electric proportional relief valve (41) respectively by high-pressure oil pipe, the outlet of electric proportional relief valve (41) communicates by the import of low pressure pipe with fuel tank (43), on high-pressure oil pipe, electric proportional relief valve (41) or oil circuit pressure transducer (42) can be provided with external interface (62); The external interface of pressure lifting control set for adjusting (62) communicates by the interface (33) on the manometric piston seat of oil pipe and fully automatic piston type (17); With solenoid directional control valve (13), solenoid directional control valve (26), the gas circuit pressure transducer, electric ratio supercharge pump (40), electric proportional relief valve (41) connects the external pressure source of the gas by tracheae, solenoid directional control valve (13), solenoid directional control valve (26), the gas circuit pressure transducer, electric ratio supercharge pump (40), electric proportional relief valve (41) is electrically connected with computing machine, oil circuit pressure transducer (42), temperature sensor (21), position transducer (53), temperature transmitter (22), the liquid level sensor of fuel tank (43), the temperaturecontrol sensor of electric rotating machine (34) and constant temperature oven is electrically connected with computing machine, and servomotor (44) is electrically connected with computing machine by the driver of servomotor; Fully automatic piston type pressure gauge, pressure lifting control set for adjusting and computing machine are packed in separately the rack.
3, a kind of full-automatic pressure meter calibrating installation according to claim 1 and 2 is characterized in that servo driving pressure making device (39) is made up of servomotor (44), speed reduction unit (45), fixed support (46), piston (47), piston cylinder (48), feed screw nut (49), screw mandrel (50), runing rest (51), drive plate (52) and position transducer (53); Servomotor (44) is installed on the fixed support (46) by speed reduction unit (45), piston cylinder (48) is fixed on the fixed support (46) by feed screw nut (49), one end of runing rest (51) by bearing holder (housing, cover) on feed screw nut (49), the other end is connected on the output shaft of speed reduction unit (45), piston (47) is contained on the end of screw mandrel (50), and by in feed screw nut (49) the insertion piston cylinder (48), the other end of screw mandrel (50) be enclosed within on the runing rest (51) movably on the drive plate (52), position transducer (53) is contained in drive plate (52) both sides.
4, a kind of full-automatic pressure meter calibrating installation according to claim 2, it is characterized in that electric proportional relief valve (41) is by electric proportional control valve (54), valve seat (55), pressure-release valve holder (56), pressure-release valve drives cylinder (57), needle-valve spool (58), spring (59), " O " form by shape circle (60) and web member (61), valve seat (55) is fixed on the pressure-release valve holder (56), " " shape circle (60) is contained in the pressure-release valve holder (56) O, spring (59) is enclosed within on the needle-valve spool (58), needle-valve spool (58) passes that " " shape circle (60) inserts in the spool bore of valve seats (55) O, pressure-release valve drives cylinder (57) and links to each other with pressure-release valve holder (56) by web member (61), and electric proportional control valve (54) drives cylinder (57) by tracheae and pressure-release valve and communicates.
CN 02284501 2002-12-01 2002-12-01 Automatic pressure gauge calibrating instrument Expired - Lifetime CN2585210Y (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101510088B (en) * 2008-02-15 2012-10-10 株式会社东芝 Detecting system for pressure conveying equipment for factory
CN101726393B (en) * 2009-12-31 2013-01-02 中国航空工业集团公司北京长城计量测试技术研究所 Piston pressure device
TWI382160B (en) * 2009-06-02 2013-01-11 Chy Firemate Co Ltd Pressure gauge and adjustment method of the same
CN102928155A (en) * 2012-10-16 2013-02-13 西安思坦仪器股份有限公司 Weight adding and removing device and full-automatic pressure calibration bench
CN103195411A (en) * 2012-01-05 2013-07-10 沈阳兴大通仪器仪表有限公司 Comprehensive calibrating device for oil field underground instruments
CN103291283A (en) * 2013-03-13 2013-09-11 湖北泰和电气有限公司 Full-automatic calibrating prepressing mechanism of pressure gage
CN103344373A (en) * 2011-12-23 2013-10-09 合肥工业大学 Method for carrying out pressure fluctuation calibration on pressure sensor
CN103557990A (en) * 2013-10-11 2014-02-05 中国人民解放军63908部队 All-round verifying device for pressure instrument equipment
CN103616130A (en) * 2013-11-29 2014-03-05 宁波长壁流体动力科技有限公司 Pressure sensor testing device
CN104034477A (en) * 2014-05-09 2014-09-10 湖北江汉石油仪器仪表股份有限公司 Intelligent piston-type pressure gauge automatic loading structure
CN104458099A (en) * 2014-12-13 2015-03-25 太原市太航压力测试科技有限公司 Actuator for increasing or decreasing special weights of piston gauge and method
CN106996850A (en) * 2017-03-30 2017-08-01 杭州石林自动化工程有限公司 A kind of piston manometer full-automatic pressure source
CN107478381A (en) * 2017-07-18 2017-12-15 霍丁格包尔文(苏州)电子测量技术有限公司 Force snesor performance testing device and its application method
CN108692861A (en) * 2018-08-13 2018-10-23 上海市计量测试技术研究院 A kind of calibrating installation and Calculate Ways for piston gage
CN110160702A (en) * 2019-05-09 2019-08-23 大连工业大学 A kind of more motors of counterweight loading mechanism make pressure system
CN110285920A (en) * 2019-05-09 2019-09-27 大连普瑞森科技有限公司 A kind of pressure independently makes pressure system
CN110285919A (en) * 2019-05-09 2019-09-27 大连工业大学 A kind of counterweight loading mechanism independently makes pressure system
CN110440981A (en) * 2019-05-09 2019-11-12 大连工业大学 A kind of three motors of counterweight loading mechanism make pressure system
CN110553791A (en) * 2019-05-09 2019-12-10 大连工业大学 Dual-motor pressure generating system of weight loading mechanism
CN113446975A (en) * 2021-05-10 2021-09-28 山东瑞彬精密制造有限责任公司 Automatic quick two-point type inner hole measuring device
CN116793573A (en) * 2023-08-21 2023-09-22 苏州中电科启计量检测技术有限公司 Pressure gauge detection platform for multipath synchronous verification

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101510088B (en) * 2008-02-15 2012-10-10 株式会社东芝 Detecting system for pressure conveying equipment for factory
TWI382160B (en) * 2009-06-02 2013-01-11 Chy Firemate Co Ltd Pressure gauge and adjustment method of the same
CN101726393B (en) * 2009-12-31 2013-01-02 中国航空工业集团公司北京长城计量测试技术研究所 Piston pressure device
CN103344373B (en) * 2011-12-23 2015-03-25 合肥工业大学 Method for carrying out pressure fluctuation calibration on pressure sensor
CN103344373A (en) * 2011-12-23 2013-10-09 合肥工业大学 Method for carrying out pressure fluctuation calibration on pressure sensor
CN103195411A (en) * 2012-01-05 2013-07-10 沈阳兴大通仪器仪表有限公司 Comprehensive calibrating device for oil field underground instruments
CN102928155A (en) * 2012-10-16 2013-02-13 西安思坦仪器股份有限公司 Weight adding and removing device and full-automatic pressure calibration bench
CN103291283A (en) * 2013-03-13 2013-09-11 湖北泰和电气有限公司 Full-automatic calibrating prepressing mechanism of pressure gage
CN103557990B (en) * 2013-10-11 2016-04-06 中国人民解放军63908部队 The all-round calibrating installation of a kind of manometer equipment
CN103557990A (en) * 2013-10-11 2014-02-05 中国人民解放军63908部队 All-round verifying device for pressure instrument equipment
CN103616130A (en) * 2013-11-29 2014-03-05 宁波长壁流体动力科技有限公司 Pressure sensor testing device
CN104034477A (en) * 2014-05-09 2014-09-10 湖北江汉石油仪器仪表股份有限公司 Intelligent piston-type pressure gauge automatic loading structure
CN104458099A (en) * 2014-12-13 2015-03-25 太原市太航压力测试科技有限公司 Actuator for increasing or decreasing special weights of piston gauge and method
CN104458099B (en) * 2014-12-13 2017-06-16 太原市太航压力测试科技有限公司 The executing agency of piston gage increase and decrease specific weight and method
CN106996850A (en) * 2017-03-30 2017-08-01 杭州石林自动化工程有限公司 A kind of piston manometer full-automatic pressure source
CN107478381A (en) * 2017-07-18 2017-12-15 霍丁格包尔文(苏州)电子测量技术有限公司 Force snesor performance testing device and its application method
CN108692861A (en) * 2018-08-13 2018-10-23 上海市计量测试技术研究院 A kind of calibrating installation and Calculate Ways for piston gage
CN110160702A (en) * 2019-05-09 2019-08-23 大连工业大学 A kind of more motors of counterweight loading mechanism make pressure system
CN110285920A (en) * 2019-05-09 2019-09-27 大连普瑞森科技有限公司 A kind of pressure independently makes pressure system
CN110285919A (en) * 2019-05-09 2019-09-27 大连工业大学 A kind of counterweight loading mechanism independently makes pressure system
CN110440981A (en) * 2019-05-09 2019-11-12 大连工业大学 A kind of three motors of counterweight loading mechanism make pressure system
CN110553791A (en) * 2019-05-09 2019-12-10 大连工业大学 Dual-motor pressure generating system of weight loading mechanism
CN110285920B (en) * 2019-05-09 2022-03-29 大连普瑞森科技有限公司 Pressure independent pressure generating system
CN113446975A (en) * 2021-05-10 2021-09-28 山东瑞彬精密制造有限责任公司 Automatic quick two-point type inner hole measuring device
CN116793573A (en) * 2023-08-21 2023-09-22 苏州中电科启计量检测技术有限公司 Pressure gauge detection platform for multipath synchronous verification
CN116793573B (en) * 2023-08-21 2023-11-28 苏州中电科启计量检测技术有限公司 Pressure gauge detection platform for multipath synchronous verification

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