CN203770808U - Intelligent pneumatic actuator with fault diagnosis function - Google Patents
Intelligent pneumatic actuator with fault diagnosis function Download PDFInfo
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- CN203770808U CN203770808U CN201420164988.0U CN201420164988U CN203770808U CN 203770808 U CN203770808 U CN 203770808U CN 201420164988 U CN201420164988 U CN 201420164988U CN 203770808 U CN203770808 U CN 203770808U
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- potentiometer
- pneumatic actuator
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- feedback
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Abstract
The utility model discloses an intelligent pneumatic actuator with a fault diagnosis function, and belongs to the technical field of fault self-diagnosis of a regulation valve of automation equipment. The intelligent pneumatic actuator comprises a support and a pressure film chamber, wherein a push rod is movably installed in the support, the support is provided with an air pressure signal inlet and a clamping sleeve straight joint, the air pressure signal inlet is communicated with the pressure film chamber, the push rod is provided with a feedback assembly I, a feedback plate I of the feedback assembly I is provided with a long hole I, the support is provided with a fault detector, a feedback assembly II and a potentiometer assembly are arranged in the fault detector, a rolling shaft of the feedback assembly II extends into the long hole I of the feedback plate I, a hollow pipe communicated with the pressure film chamber is arranged in a sealing shell of the fault detector and is provided with a pressure sensor, a shielding box assembly is arranged in the fault detector, a micro processor is arranged in the shielding box assembly, and the pressure sensor and the potentiometer assembly are electrically connected with the micro processor. The intelligent pneumatic actuator can achieve online detection, can find problems in advance, guarantees normal operation of the equipment and reduces cost.
Description
Technical field
The utility model relates to the pneumatic actuating device of a kind of modulating valve, belongs to the modulating valve fault self-diagnosis technical field of automation equipment.
Background technique
At present, the fault diagnosis of modulating valve industry realizes by parking maintenance mostly, formulates valve maintenance planning by instrument department, by the cycle, the modulating valve on device is carried out to parking maintenance, and general 1-3 can be to the modulating valve maintenance on whole device one time.Be specially: contact professional overhauling company and sign maintenance contract-scene and watch and need maintenance modulating valve situation-formulations maintenance scheme-estimate preparation standby redundancy--technique turned letter--overhauling company that stop-sets aside some time to move into that Overhaul site-safety education-valve roll off the production line-is transported to Overhaul site-test valve static characteristic and reading control is opened and inspect valve, inspection damage of components situation-maintenance or replacing standby redundancy-re-assembly valve-carry out pressure test and static characteristic test-transport to the reset-instrument uniting and adjustment-water transport-automotive-driving of reaching the standard grade of device scene-valve after qualified.Although traditional parking maintenance scheme can thoroughly be eliminated failsafe valve, has following shortcoming: specific aim is not strong, blanket type inspection, the cycle is long, takes time and effort, and cost is high; After pinpointing the problems, handling failure afterwards, affects the normal operation of device; Valve quantity is large, and standby redundancy is prepared to be difficult to complete, affects valve repair schedule or quality.Although and the intelligent valve positioner in prior art with online measuring ability can detect failsafe valve online, valve must mate with HART or other communications protocol, cost is high, and versatility is poor; Adopt dependent position transducer, as use online measuring ability, must adopt intelligent valve positioner, cost is high.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, the utility model provides a kind of intelligent tape jam diagnosis pneumatic actuator, can realize online detection, pinpoint the problems in advance, shoot the arrow at the target, carry out in advance technological preparation, assurance device normally moves, and reduces cost.
The utility model is achieved by the following technical solution: a kind of intelligent tape jam diagnosis pneumatic actuator, it comprises the support being connected with modulating valve, in support, be movably installed with the push rod being connected with spool, there is pressure membrane chamber described support top, pressure membrane chamber is mainly by upper membrane cover and affixed the forming of lower membrane cover, between upper membrane cover and lower membrane cover, there is diaphragm, described pressure membrane chamber is divided into upper film chamber and lower film chamber by diaphragm, there is the pallet of being close to diaphragm described diaphragm top, between the top of pallet and described upper membrane cover bottom, multiple springs are installed, it is indoor that described pressure membrane is stretched on the top of described push rod, described pallet is fixed on the top of push rod, on described support, there is air pressure signal entrance, air pressure signal entrance is connected with described pressure membrane chamber by gas circuit, it is characterized in that: on described push rod, have feedback component I, feedback component I comprises one or more feedback board I, feedback board I is fixedly connected on described push rod, in feedback board I, there is slotted hole I, on described support, tracer is housed, tracer comprises the seal casinghousing being made up of base and clamshell, rotatingly on base be fixed with rotating shaft, the outer end of rotating shaft is fixed with feedback component II, feedback component II comprises the feedback board II being fixed in rotating shaft, in feedback board II, be connected with roller bearing, roller bearing stretches in the slotted hole I of described feedback board I, the inner of described rotating shaft is provided with gear I, potentiometer assembly is housed on described base, on potentiometer assembly, there is gear II, described gear I is meshed with gear II, the standard pitch diameter of gear I is greater than the standard pitch diameter of gear II, on the seal casinghousing of described tracer, there is pipe joint, on described support, there is the cutting ferrule straight coupling being connected with described air pressure signal entrance, between cutting ferrule straight coupling and described pipe joint, be connected with tracheae, in described tracer, there is hollow tubular, hollow tubular is connected with described pipe joint, on hollow tubular, there is pressure transducer, in described tracer, there is shielding box assembly, the in-built microprocessor that is useful on processing pressure signal and position signal of shielding box assembly, described pressure transducer and potentiometer assembly are electrically connected with described microprocessor.
On described microprocessor, be connected with storage device.
Described tracer and described support are one-body molded.
Described tracer and described support split arrange, and between described tracer and described support, are connected with connecting plate, have flexible connection assembly that described tracer and described support are fixed together on connecting plate.
On described tracer, there is attachment post with holes, on described support, there is connection boss with threaded hole, described connecting plate is " L " shape connecting plate, on connecting plate, be manufactured with mounting hole, between the attachment post with holes described in connecting plate is connected to by screw assembly and connection boss with threaded hole.
Described pallet is fastened on the top of push rod by adjustment sleeve and fastener assembly, between described push rod and support, axle sleeve is housed.
On described base, have axle bed, described rotating shaft is arranged in described axle bed, between described rotating shaft and axle bed, Nonlubricated bearing is housed, and dust-proof seal ring is equipped with at the outer end opening place of described axle bed.
In described feedback board II, have slotted hole II, described roller bearing comprises bearing pin, and roller is housed on bearing pin, the front end of bearing pin has back-up ring, the rear end of bearing pin is fixed with double-screw bolt, and double-screw bolt is fixed in described slotted hole II by nuts and washers, on the bearing pin between described roller and packing ring, preloading spring is housed.
In described feedback board II, there is the bending of " U " shape, on two parallel straight plates of " U " shape bending, be manufactured with the non-round attachment hole passing for described rotating shaft, the axle head of described rotating shaft is made into the shape suitable with described non-round attachment hole, in described " U " shape bending, be manufactured with locking slot, the two ends of locking slot are connected to described non-round attachment hole, at " U " shape bending part, the turnbuckle assembly for clamping described locking slot are housed.
On described base, locating stud is housed, on locating stud, plate is equipped with in activity, described potentiometer assembly is equipped with in one end of plate, the other end of plate is equipped with handle, the torsion spring that plate is resetted is housed on described locating stud, one end of torsion spring is clamped in described plate, and the other end of torsion spring is clamped on described base; Described potentiometer assembly comprises potentiometer, and the potentiometer cover being connected in plate is equipped with in potentiometric outer ring, and potentiometric potentiometer rotating shaft is stretched out outside potentiometer cover and is connected with described gear II.
The beneficial effects of the utility model are:
1, the utility model control signal (pressure signal) passage is decided, about the pressure of modulating valve work, stroke (position), time etc. by pressure transducer, position sensor feedback to CPU, record and stored in CPU through the automatic detection of intelligent tape jam diagnosis pneumatic actuator, formed initial data; The performance index data of requirement also can be manually set, as intrinsic error, lag time, movement speed etc., form initial data.In modulating valve running, as long as by instant service data and initial data comparison, analysis (automatically), just can judge situation and fault that modulating valve moves.For the situation that exceedes performance index initial data limiting value, system meeting automatic alarm, and the type of report generation fault, in order to rapid-maintenance.
The intelligent tape jam diagnosis of the utility model pneumatic actuator receives control room signal (pressure signal or electrical signal), electrical signal can be converted to pressure signal by positioning work piece, in the time that control signal raises, actuator's film chamber pressure raises, spring stress compression, drive push rod to produce displacement (upwards) by pallet, be fixed on feedback component I on push rod with push rod displacement, feedback component I drives feedback component II to rotate counterclockwise by roller bearing, will rotate with the rotating shaft that feedback component II is fixed together thereupon, driven gear I is synchronously rotated simultaneously, gear I driven gear II is rotated, gear II will drive potentiometric axle to rotate, potentiometer is transformed into electrical signal by the change in location detecting and feeds back to the CPU on circuit board module, CPU is according to formula operation, the just various performance parameters of the adjusted valve of energy relevant position operation.
Intelligent tape jam diagnosis pneumatic actuator receives control room signal, when making actuator produce displacement, the pressure of actuator's film chamber is by cutting ferrule straight coupling, pipe joint and tracheae, hollow tubular input to pressure transducer, pressure transducer receives the variation of pressure, will become electrical signal to feed back to the CPU on circuit board module the change transitions of pressure, CPU, according to pressure set points computing, just can change the various performance parameters of moving by the relevant pressure of adjusted valve.
CPU carries out computing according to the corresponding relation of pressing Force location, the just parameters of the adjusted valve of energy about pressing Force location to move, thus determine whether valve can normally work, and the contingent fault of diagnosis valve of foresight.
2, compared with traditional parking maintenance technology, the utility model is with strong points, only problematic valve is keeped in repair, cost is low, detects online, pinpoints the problems in advance, shoot the arrow at the target, carry out in advance technological preparation, assurance device normally moves, scope is little, standby redundancy promptly and accurately, is guaranteed maintenance of valve progress and quality, dynamically grasps the runnability of each valve, the valve that precognition may break down in advance, the cycle of striving for ordering standby redundancy.
3, compared with thering is the intelligent valve positioner of online measuring ability, the utility model is not subject to HART, the restriction of the communications protocol such as FF, detecting data is stored in memory card, can directly read and detect data and diagnostic result, cost is low, highly versatile, valve does not need to be furnished with specially intelligent positioner or common positioning work piece, completely independent operating, convenient, flexible, the pneumatic actuator of intelligent tape jam diagnosis has integral type, has split typely, can mate with any type of valve, unrestricted, practical.
Brief description of the drawings
According to drawings and embodiments the utility model is further illustrated below.
Fig. 1 is the utility model overall structure schematic diagram, and in figure, tracer and support are integral type structure;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the utility model split-type structural schematic diagram;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the utility model tracer structural representation;
Fig. 6 is the plan view of Fig. 5;
Fig. 7 is the sectional view (clamshell and shielding box assembly do not draw) of the D-D of Fig. 5
Fig. 8 is the right elevation of Fig. 5;
Fig. 9 is that the C of Fig. 5 is to view;
Figure 10 is the utility model feedback part assembly I structural representation;
Figure 11 is the plan view of Figure 10;
Figure 12 is the structural representation of the utility model feedback component II;
Figure 13 is the plan view of Figure 12;
Figure 14 is the structural representation of the utility model potentiometer assembly;
Figure 15 is the E-E sectional view of Figure 14;
Figure 16 is the plan view of Figure 14.
In figure: a, modulating valve, b, air pressure signal entrance, c, gas circuit, 1, support, 2, feedback part assembly I, 2-1, slotted hole I, 2-2, feedback board I, 3, axle sleeve, 4, lower membrane cover, 5, upper membrane cover, 6, diaphragm, 7, pallet, 8, spring, 9, adjustment sleeve and fastener assembly, 10, push rod, 11, cutting ferrule straight coupling, 12, tracheae, 13, tracer, 13-1, gear I, 13-2, locating stud, 13-3, feedback component II, 13-3-1, double-screw bolt, 13-3-2, nut, 13-3-3, feedback board II, 13-3-4, packing ring, 13-3-5, preloading spring, 13-3-6, roller bearing, 13-3-7, back-up ring, 13-3-8, turnbuckle assembly, 13-3-9, slotted hole II, 13-3-10, non-round attachment hole, 13-3-11, bearing pin, 13-3-12, roller, 13-3-13, locking slot, 13-4, rotating shaft, 13-5, limiting gasket, 13-6, dust-proof seal ring, 13-7, Nonlubricated bearing, 13-8, base, 13-8-1, axle bed, 13-9, clamshell, 13-10, shielding box assembly, 13-11, pressure transducer, 13-12, torsion spring, 13-13, hollow tubular, 13-14, pipe joint, 13-15, potentiometer assembly, 13-15-1, potentiometer cover, 13-15-2, potentiometer, 13-15-3, gear II, 13-16, plate, 13-17, handle, 14, attachment post with holes, 15, connecting plate, 16, connection boss with threaded hole.
Embodiment
Below in conjunction with embodiment, the utility model is further illustrated.
A kind of intelligent tape jam diagnosis pneumatic actuator as shown in drawings, it comprises the support 1 being connected with modulating valve a, in support 1, be movably installed with the push rod 10 being connected with spool, there is pressure membrane chamber described support 1 top, pressure membrane chamber is mainly by upper membrane cover 5 and affixed the forming of lower membrane cover 4, between upper membrane cover and lower membrane cover, there is diaphragm 6, described pressure membrane chamber is divided into upper film chamber and lower film chamber by diaphragm 6, there is the pallet 7 of being close to diaphragm described diaphragm top, between the top of pallet 7 and described upper membrane cover 5 bottoms, multiple springs 8 are installed, it is indoor that described pressure membrane is stretched on the top of described push rod 10, described pallet 7 is fixed on the top of push rod 10, on described support 1, there is air pressure signal entrance b, air pressure signal entrance is connected with described pressure membrane chamber by gas circuit c, on described push rod 10, there is feedback component I 2, feedback component I 2 comprises one or more feedback board I 2-2, feedback board I 2-2 is fixedly connected on described push rod 10, on feedback board I 2-2, there is slotted hole I 2-1, tracer 13 is housed on described support, tracer 13 comprises the seal casinghousing being made up of base 13-8 and clamshell 13-9, rotating rotating shaft 13-4 is installed on base 13-8, the outer end of rotating shaft 13-4 is fixed with feedback component II 13-3, feedback component II 13-3 comprises the feedback board II 13-3-3 being fixed on rotating shaft 13-4, on feedback board II 13-3-3, be connected with roller bearing 13-3-6, roller bearing 13-3-6 stretches in the slotted hole I 2-1 of described feedback board I 2-2, the inner of described rotating shaft 13-4 is provided with gear I 13-1, potentiometer assembly 13-15 is housed on described base 13-8, on potentiometer assembly 13-15, there is gear II 13-15-3, described gear I 13-1 is meshed with gear II 13-15-3, the standard pitch diameter of gear I 13-1 is greater than the standard pitch diameter of gear II 13-15-3, on the seal casinghousing of described tracer 13, there is pipe joint 13-14, on described support 1, there is the cutting ferrule straight coupling 11 being connected with described air pressure signal entrance b, between cutting ferrule straight coupling 11 and described pipe joint 13-14, be connected with tracheae 12, in described tracer 13, there is hollow tubular 13-13, hollow tubular 13-13 is connected with described pipe joint 13-14, on hollow tubular 13-13, there is pressure transducer 13-11, in described tracer 13, there is shielding box assembly 13-10, the in-built microprocessor that is useful on processing pressure signal and position signal of shielding box assembly 13-10, described pressure transducer 13-11 and potentiometer assembly 13-15 are electrically connected with described microprocessor.
Potentiometer assembly 13-15 is transformed into electrical signal by the change in location detecting and feeds back to the microprocessor for the treatment of pressure signal and position signal in shielding box assembly 13-10.
Pressure transducer 13-11 becomes electrical signal to feed back to the microprocessor for the treatment of pressure signal and position signal in shielding box assembly 13-10 the pressure change transitions detecting.
On described microprocessor, be connected with storage device.Storage device can be a kind of plug-in type data storage card, for recording related data, and can regularly take out, and plug-in type data storage card is inserted in computer and carries out data analysis with investigation fault.
Described tracer 13 is one-body molded with described support 1.
As shown in Figure 3, Figure 4, described tracer 13 and described support 1 split setting, between described tracer 13 and described support 1, be connected with connecting plate 15, on connecting plate 15, have flexible connection assembly that described tracer 13 and described support 1 are fixed together.
On described tracer 13, there is attachment post with holes 14, corresponding tapped hole can be set on the base of tracer, or on attachment post 14, tapped hole be set; On described support 1, there is connection boss 16 with threaded hole, described connecting plate 15 is " L " shape connecting plate, on connecting plate 15, be manufactured with the mounting hole corresponding with tapped hole on described tracer 13 and support 1, connecting plate 15 is connected between described attachment post with holes 14 and connection boss 16 with threaded hole by screw assembly.
As shown in Figure 3, Figure 4, described pallet 7 is fastened on the top of push rod 10 by adjustment sleeve and fastener assembly 9, between described push rod 10 and support 1, axle sleeve 3 is housed.
As shown in Fig. 5～Fig. 9, on described base 13-8, there is axle bed 13-8-1, described rotating shaft 13-4 is arranged in described axle bed 13-8-1, between described rotating shaft 13-4 and axle bed 13-8-1, Nonlubricated bearing 13-7 is housed, dust-proof seal ring 13-6 is equipped with at the outer end opening place of described axle bed 13-8-1.
As shown in Figure 12,13, on described feedback board II 13-3-3, there is slotted hole II 13-3-9, described roller bearing 13-3-6 comprises bearing pin 13-3-11, roller 13-3-12 is housed on bearing pin, the front end of bearing pin 13-3-11 has back-up ring 13-3-7, the rear end of bearing pin 13-3-11 is fixed with double-screw bolt 13-3-1, it is upper that double-screw bolt 13-3-1 is fixed on described slotted hole II 13-3-9 by nut 13-3-2 and packing ring 13-3-4, on the bearing pin 13-3-11 between described roller 13-3-12 and packing ring 13-3-4, preloading spring 13-3-5 is housed.
On described feedback board II 13-3-3, there is the bending of " U " shape, on two parallel straight plates of " U " shape bending, be manufactured with the non-round attachment hole 13-3-10 passing for described rotating shaft 13-4, shape can be as shown in figure 13, this non-round attachment hole can drive rotating shaft 13-4 to rotate, the axle head of described rotating shaft 13-4 is made into the shape suitable with described non-round attachment hole 13-3-10, in described " U " shape bending, be manufactured with locking slot 13-3-13, the two ends of locking slot 13-3-13 are connected to described non-round attachment hole 13-3-10, at " U " shape bending part, the turnbuckle assembly 13-3-8 for clamping described locking slot 13-3-13 is housed.
As shown in Fig. 5, Fig. 7, Figure 14～16, on described base 13-8, locating stud 13-2 is housed, plate 13-16 is equipped with in the upper activity of locating stud 13-2, described potentiometer assembly 13-15 is equipped with in one end of plate 13-16, the other end of plate 13-16 is equipped with handle 13-17, the torsion spring 13-12 that plate 13-16 is resetted is housed on described locating stud 13-2, and it is upper that one end of torsion spring 13-12 is clamped on described plate 13-16, and the other end of torsion spring 13-12 is clamped on described base 13-8; Described potentiometer assembly 13-15 comprises potentiometer 13-15-2, the potentiometer cover 13-15-1 being connected on plate 13-16 is equipped with in the outer ring of potentiometer 13-15-2, the potentiometer rotating shaft of potentiometer 13-15-2 is stretched out outside potentiometer cover 13-15-1 and is connected with described gear II 13-15-3, and potentiometric model can adopt FCP22R.
Working principle of the present utility model is: the utility model control signal (pressure signal) passage is decided, about the pressure of modulating valve work, stroke (position), time etc. by pressure transducer, position sensor feedback to CPU, record and stored in CPU through the automatic detection of intelligent tape jam diagnosis pneumatic actuator, formed initial data; The performance index data of requirement also can be manually set, as intrinsic error, lag time, movement speed etc., form initial data.In modulating valve running, as long as by instant service data and initial data comparison, analysis (automatically), just can judge situation and fault that modulating valve moves.For the situation that exceedes performance index initial data limiting value, system meeting automatic alarm, and the type of report generation fault, in order to rapid-maintenance.
The intelligent tape jam diagnosis of the utility model pneumatic actuator receives control room signal (pressure signal or electrical signal), electrical signal can be converted to pressure signal by positioning work piece, in the time that control signal raises, actuator's film chamber pressure raises, spring stress compression, drive push rod to produce displacement (upwards) by pallet, be fixed on feedback component I on push rod with push rod displacement, feedback component I drives feedback component II to rotate counterclockwise by roller bearing, will rotate with the rotating shaft that feedback component II is fixed together thereupon, driven gear I is synchronously rotated simultaneously, gear I driven gear II is rotated, gear II will drive potentiometric axle to rotate, potentiometer is transformed into electrical signal by the change in location detecting and feeds back to the CPU on circuit board module, CPU is according to formula (1) computing below, the just various performance parameters of the adjusted valve of energy relevant position operation.The performance parameter of modulating valve has limit of intrinsic error, return difference, dies, rated travel deviation, connection terminals deviation.
δi=（li-Li）÷?L×100%……………………（1）
In formula:
δ i---the error that i is ordered;
Li---the traveled distance that i is ordered, unit is millimeter (mm);
The theoretical stroke that Li---i is ordered, unit is millimeter (mm);
L---rated travel, unit is millimeter (mm).
Intelligent tape jam diagnosis pneumatic actuator receives control room signal, when making actuator produce displacement, the pressure of actuator's film chamber inputs to pressure transducer by cutting ferrule straight coupling, pipe joint and tracheae, hollow tubular, pressure transducer receives the variation of pressure, will become electrical signal to feed back to the CPU on circuit board module the change transitions of pressure, CPU, according to pressure set points computing, just can change the various performance parameters of moving by the relevant pressure of adjusted valve.
CPU carries out computing according to the corresponding relation of pressing Force location, the just parameters of the adjusted valve of energy about pressing Force location to move, thus determine whether valve can normally work, and the contingent fault of diagnosis valve of foresight.
The modulating valve of the intelligent tape jam diagnosis of the utility model pneumatic actuator can also be to comprehensive detections such as the frictional force of the total travel time of modulating valve, work, time lag, valve base sealing power, aperture frequency of okperation and times, full and accurate data are provided, pass through HART, just can carry out remotely modifying parameter by computer, the safe and effective operation of ensuring equipment, thoroughly change the traditional mode that first has problem to solve again, started the new approaches of utilizing advanced technology foresight to deal with problems.
Claims (10)
1. an intelligent tape jam diagnosis pneumatic actuator, it comprises the support (1) being connected with modulating valve (a), in support (1), be movably installed with the push rod (10) being connected with spool, there is pressure membrane chamber described support (1) top, pressure membrane chamber is mainly by upper membrane cover (5) and affixed the forming of lower membrane cover (4), between upper membrane cover and lower membrane cover, there is diaphragm (6), described pressure membrane chamber is divided into upper film chamber and lower film chamber by diaphragm (6), there is the pallet (7) of being close to diaphragm described diaphragm top, between the top of pallet (7) and described upper membrane cover (5) bottom, multiple springs (8) are installed, it is indoor that described pressure membrane is stretched on the top of described push rod (10), described pallet (7) is fixed on the top of push rod (10), on described support (1), there is air pressure signal entrance (b), air pressure signal entrance is connected with described pressure membrane chamber by gas circuit (c), it is characterized in that: on described push rod (10), have feedback component I (2), feedback component I (2) comprises one or more feedback board I (2-2), feedback board I (2-2) is fixedly connected on described push rod (10), in feedback board I (2-2), there is slotted hole I (2-1), tracer (13) is housed on described support, tracer (13) comprises the seal casinghousing being made up of base (13-8) and clamshell (13-9), rotating shaft (13-4) is installed on base (13-8), the outer end of rotating shaft (13-4) is fixed with feedback component II (13-3), feedback component II (13-3) comprises the feedback board II (13-3-3) being fixed in rotating shaft (13-4), in feedback board II (13-3-3), be connected with roller bearing (13-3-6), roller bearing (13-3-6) stretches in the slotted hole I (2-1) of described feedback board I (2-2), the inner of described rotating shaft (13-4) is provided with gear I (13-1), on described base (13-8), potentiometer assembly (13-15) is housed, on potentiometer assembly (13-15), there is gear II (13-15-3), described gear I (13-1) is meshed with gear II (13-15-3), the standard pitch diameter of gear I (13-1) is greater than the standard pitch diameter of gear II (13-15-3), on the seal casinghousing of described tracer (13), there is pipe joint (13-14), on described support (1), there is the cutting ferrule straight coupling (11) being connected with described air pressure signal entrance (b), between cutting ferrule straight coupling (11) and described pipe joint (13-14), be connected with tracheae (12), in described tracer (13), there is hollow tubular (13-13), hollow tubular (13-13) is connected with described pipe joint (13-14), on hollow tubular (13-13), there is pressure transducer (13-11), in described tracer (13), there is shielding box assembly (13-10), the in-built microprocessor that is useful on processing pressure signal and position signal of shielding box assembly (13-10), described pressure transducer (13-11) and potentiometer assembly (13-15) are electrically connected with described microprocessor.
2. intelligent tape jam diagnosis pneumatic actuator according to claim 1, is characterized in that: on described microprocessor, be connected with storage device.
3. intelligent tape jam diagnosis pneumatic actuator according to claim 1, is characterized in that: described tracer (13) is one-body molded with described support (1).
4. intelligent tape jam diagnosis pneumatic actuator according to claim 1, it is characterized in that: described tracer (13) and described support (1) split setting, between described tracer (13) and described support (1), be connected with connecting plate (15), on connecting plate (15), have flexible connection assembly that described tracer (13) and described support (1) are fixed together.
5. intelligent tape jam diagnosis pneumatic actuator according to claim 4, it is characterized in that: on described tracer (13), have attachment post with holes (14), on described support (1), there is connection boss (16) with threaded hole, described connecting plate (15) is " L " shape connecting plate, connecting plate is manufactured with mounting hole on (15), between the attachment post with holes (14) described in connecting plate (15) is connected to by screw assembly and connection boss (16) with threaded hole.
6. intelligent tape jam diagnosis pneumatic actuator according to claim 1, it is characterized in that: described pallet (7) is fastened on the top of push rod (10) by adjustment sleeve and fastener assembly (9), between described push rod (10) and support (1), axle sleeve (3) is housed.
7. intelligent tape jam diagnosis pneumatic actuator according to claim 1, it is characterized in that: on described base (13-8), have axle bed (13-8-1), described rotating shaft (13-4) is arranged in described axle bed (13-8-1), between described rotating shaft (13-4) and axle bed (13-8-1), Nonlubricated bearing (13-7) is housed, dust-proof seal ring (13-6) is equipped with at the outer end opening place of described axle bed (13-8-1).
8. intelligent tape jam diagnosis pneumatic actuator according to claim 1, it is characterized in that: in described feedback board II (13-3-3), have slotted hole II (13-3-9), described roller bearing (13-3-6) comprises bearing pin (13-3-11), roller (13-3-12) is housed on bearing pin, the front end of bearing pin (13-3-11) has back-up ring (13-3-7), the rear end of bearing pin (13-3-11) is fixed with double-screw bolt (13-3-1), double-screw bolt (13-3-1) is fixed in described slotted hole II (13-3-9) by nut (13-3-2) and packing ring (13-3-4), on bearing pin (13-3-11) between described roller (13-3-12) and packing ring (13-3-4), preloading spring (13-3-5) is housed.
9. according to the intelligent tape jam diagnosis pneumatic actuator described in claim 1 or 8, it is characterized in that: in described feedback board II (13-3-3), have the bending of " U " shape, on two parallel straight plates of " U " shape bending, be manufactured with the non-round attachment hole (13-3-10) passing for described rotating shaft (13-4), the axle head of described rotating shaft (13-4) is made into the shape suitable with described non-round attachment hole (13-3-10), in described " U " shape bending, be manufactured with locking slot (13-3-13), the two ends of locking slot (13-3-13) are connected to described non-round attachment hole (13-3-10), at " U " shape bending part, the turnbuckle assembly (13-3-8) for clamping described locking slot (13-3-13) is housed.
10. intelligent tape jam diagnosis pneumatic actuator according to claim 1, it is characterized in that: on described base (13-8), locating stud (13-2) is housed, plate (13-16) is equipped with in the upper activity of locating stud (13-2), described potentiometer assembly (13-15) is equipped with in one end of plate (13-16), the other end of plate (13-16) is equipped with handle (13-17), the torsion spring (13-12) that plate (13-16) is resetted is housed on described locating stud (13-2), one end of torsion spring (13-12) is clamped in described plate (13-16), the other end of torsion spring (13-12) is clamped on described base (13-8), described potentiometer assembly (13-15) comprises potentiometer (13-15-2), the potentiometer cover (13-15-1) being connected in plate (13-16) is equipped with in the outer ring of potentiometer (13-15-2), and the potentiometer rotating shaft of potentiometer (13-15-2) is stretched out outside potentiometer cover (13-15-1) and is connected with described gear II (13-15-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164988.0U CN203770808U (en) | 2014-04-04 | 2014-04-04 | Intelligent pneumatic actuator with fault diagnosis function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164988.0U CN203770808U (en) | 2014-04-04 | 2014-04-04 | Intelligent pneumatic actuator with fault diagnosis function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899830A (en) * | 2014-04-04 | 2014-07-02 | 徐州阿卡控制阀门有限公司 | Intelligent-type pneumatic actuating mechanism with fault diagnosis function |
| CN104267238A (en) * | 2014-09-28 | 2015-01-07 | 江南工业集团有限公司 | Testing device for pneumatic actuator |
| CN107387847A (en) * | 2017-07-03 | 2017-11-24 | 常熟市虞菱机械有限责任公司 | A kind of valve pneumatic drive device being used under more dust environments |
| CN110805739A (en) * | 2019-10-17 | 2020-02-18 | 重庆川仪自动化股份有限公司 | Anti-blocking method and device for intelligent valve positioner I/P unit, storage medium and electronic terminal |
| US11073442B2 (en) | 2017-12-21 | 2021-07-27 | Swagelok Company | Systems and methods for control and monitoring of actuated valves |
-
2014
- 2014-04-04 CN CN201420164988.0U patent/CN203770808U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899830A (en) * | 2014-04-04 | 2014-07-02 | 徐州阿卡控制阀门有限公司 | Intelligent-type pneumatic actuating mechanism with fault diagnosis function |
| CN104267238A (en) * | 2014-09-28 | 2015-01-07 | 江南工业集团有限公司 | Testing device for pneumatic actuator |
| CN104267238B (en) * | 2014-09-28 | 2017-02-08 | 江南工业集团有限公司 | Testing device for pneumatic actuator |
| CN107387847A (en) * | 2017-07-03 | 2017-11-24 | 常熟市虞菱机械有限责任公司 | A kind of valve pneumatic drive device being used under more dust environments |
| US11073442B2 (en) | 2017-12-21 | 2021-07-27 | Swagelok Company | Systems and methods for control and monitoring of actuated valves |
| US11867589B2 (en) | 2017-12-21 | 2024-01-09 | Swagelok Company | Systems and methods for control and monitoring of actuated valves |
| CN110805739A (en) * | 2019-10-17 | 2020-02-18 | 重庆川仪自动化股份有限公司 | Anti-blocking method and device for intelligent valve positioner I/P unit, storage medium and electronic terminal |
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