CN103411732B - Dynamic balance measuring device capable of automatically locking machine when unbalanced out-of-tolerance parts enter machine and application method thereof - Google Patents
Dynamic balance measuring device capable of automatically locking machine when unbalanced out-of-tolerance parts enter machine and application method thereof Download PDFInfo
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- CN103411732B CN103411732B CN201310369242.3A CN201310369242A CN103411732B CN 103411732 B CN103411732 B CN 103411732B CN 201310369242 A CN201310369242 A CN 201310369242A CN 103411732 B CN103411732 B CN 103411732B
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Abstract
A dynamic balance measuring device capable of automatically locking a machine when unbalanced out-of-tolerance parts enter the machine comprises a mechanical part and an electrical part. The mechanical part comprises a main engine body, a left supporting mechanism, a right supporting mechanism, a quantity value sensor, a phase sensor, a judgment sensor and a counting sensor. The electrical part comprises an electrical control system, an electrical logging system, an industrial personal computer system and a display system. When the dynamic balance measuring device is used, the quantity value sensor and the phase sensor transmit the detected dynamic unbalanced quantity value and phase signals of measured parts to a computer system in the industrial personal computer system for analysis, judgment and calculation, meanwhile, the judgment sensor and the counting sensor transmit the monitored signals of machine entering and exiting motion of the measured parts to the computer system, and then initial and result data of the measured parts are stored in real time. According to the design, the unbalanced out-of-tolerance parts can be prevented from entering next working procedures, the automation degree is high, human resources are saved, and cost consumption is reduced.
Description
Technical field
The present invention relates to a kind of dynamic balance measuring device, particularly relate to dynamic balance measuring device and the using method thereof of the automatic lock machine of the overproof lower machine of a kind of imbalance, specifically be applicable to automatically to stop uneven overproof part and flow into next procedure, save human resources, reduce cost consumption.
Background technology
Dynamic balancing technique is the comprehensive application technology of door, relates to multi-door subject such as mechanical engineering, power engineering, electronic technology, optics, sensor, signal transacting, test and control, computer technology etc.Along with the development of the continuous progress of society, electronic technology and computer technology, dynamic balance measuring device of today by decentralized to modularization, integrated development, detection technique is by integrated circuit to computer aided measurement future development, and single type is progressively to semi-automatic, full-automatic future development; And increasing sharply of cost of human resources, impel in management and advanced to intelligent, automatic management direction by human factor.Present stage for dynamic balancing technique, mainly based on measuring technology and the innovation research of control method and the application of computing machine and automatic technology.
Chinese patent Authorization Notice No. is CN202676372U, authorized announcement date is that the utility model patent on January 16th, 2013 discloses a kind of dynamic balancing machine detecting through-flow fan blade, it comprising frame, display, controller, clamping two groups of fixtures of through-flow fan blade and the index plate for driving through-flow fan blade to rotate for axial, two groups of fixtures and display are all located in frame, and index plate is connected with group fixture of wherein; Controller connects display, index plate and two groups of fixtures respectively; Cursor indicator comprises the pilot lamp of support and surface of emission source light, and down, the pilot lamp of surface of emission source light is by connecting line connection control device for the light-emitting window of the pilot lamp of surface of emission source light.Although this utility model can improve amount of unbalance position and increases the weight of accuracy rate and increase the weight of efficiency, it still has following defect:
First, this utility model only can carry out the most basic unbalance dynamic test to tested part, namely can only show the testing result of value, phase place, and not possess any preventive measure to monitor the machine up and down of tested part, uneven overproof tested part also just cannot be avoided to enter next procedure;
Secondly, this utility model cannot be preserved in real time to the initial of tested part and result data, and be not easy to count tested part, add up, quality grade judges, and the statistical report form of various condition exports, automaticity is not high, and work efficiency is lower.
Summary of the invention
The object of the invention is to overcome the uneven overproof tested part of cannot avoiding existed in prior art and enter next procedure, the defect cannot preserved in real time the initial of tested part and result data and problem, provide a kind of overproof tested part of imbalance of can stopping to enter next procedure, dynamic balance measuring device and the using method thereof of the automatic lock machine of the overproof lower machine of imbalance preserved in real time can be carried out the initial of tested part and result data.
For realizing above object, technical solution of the present invention is:
The dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance, comprise mechanical part and electric part, described mechanical part comprises main frame body, left support mechanism and right support mechanism, the top of main frame body is provided with guide rail, guide rail and left support mechanism, the basal sliding of right support mechanism coordinates, left support mechanism, the top of right support mechanism and tested part rotatable engagement, side away from tested part on right support mechanism top is provided with driven pulley, this driven pulley coordinates with the motor-driven arranged in main frame body, driven pulley is provided with phase detector corresponding thereto immediately below reference point, left support mechanism, the sidepiece of right support mechanism is respectively provided with a value sensor, described electric part comprises display system,
Described mechanical part also comprises and judges sensor and sensor for countering, and described electric part also comprises electric-control system, electric measuring system and industrial computer system;
Described left support mechanism comprises left swing stand and inner left vibration rocker, the left elastic mechanism arranged thereof, the bottom of left swing stand coordinates with slide, the top of left swing stand is connected with the two ends bottom left vibration rocker by left elastic mechanism, the junction of left elastic mechanism, left vibration rocker is connected with value sensor by signal detection mechanism, the top of left vibration rocker and the left end rotatable engagement of tested part, and sensor for countering is provided with on left vibration rocker;
Described right support mechanism comprises right rocker seat and inner right vibration rocker, the right elastic mechanism arranged thereof, the bottom of right rocker seat coordinates with slide, the top of right rocker seat is connected with the two ends bottom right vibration rocker by right elastic mechanism, the junction of right elastic mechanism, right vibration rocker is connected with value sensor by signal detection mechanism, the top of right vibration rocker and the right-hand member rotatable engagement of tested part, and judgement sensor is provided with on right vibration rocker;
Described electric-control system comprises variable-frequency speed-regulating controller, power supply and control execution module; Described electric measuring system comprises the preposition analysis process system of signal, electrical measurement I/O interface and signal A/D converting system; Described industrial computer system comprises computer system, Communication Control card and industrial computer I/O interface; Described display system comprises LCD liquid crystal colour display screen and display execution module;
Described value sensor, phase detector are connected with computer system signal successively after the preposition analysis process system of signal, electrical measurement I/O interface, signal A/D converting system, industrial computer I/O interface, Communication Control card;
Described judgement sensor, sensor for countering are connected with computer system signal successively after controlling execution module, electrical measurement I/O interface, signal A/D converting system, industrial computer I/O interface, Communication Control card.
The top of described left vibration rocker is provided with a pair roller, an outrigger shaft coordinated with its rolling is shelved with between this pair roller, the other end of this outrigger shaft is connected with the left end of tested part, the below of outrigger shaft, tested part junction is provided with sensor for countering, and this sensor for countering is connected with the middle part bottom left vibration rocker by sensor support adjustment seat.
The top of described right vibration rocker is embedded with collar bush, the position, center of collar bush inside is run through and is provided with coaxial transmission main shaft, the middle part of transmission main shaft is connected with the inwall of collar bush by bearing, the left end of transmission main shaft inserts with the endoporus that tested part right-hand member is arranged and is connected, the right-hand member of transmission main shaft inserts with the middle part of driven pulley and is connected, driven pulley is provided with phase detector corresponding thereto immediately below reference point, this phase detector is connected with the top of right vibration rocker, middle part bottom right vibration rocker by sensor support adjustment seat with judge that sensor is connected, this judgement sensor is positioned at tested part, the below of transmission main shaft junction, and phase detector, judge that sensor lays respectively at the both sides of right vibration rocker.
Described sensor support adjustment seat is L-type structure, comprises leveling board connected vertically and vertical plate, leveling board is provided with circular sensor mounting hole, vertical plate is provided with the adjustment seat fixed orifice of kidney ellipsoid.
Described signal detection mechanism is arranged at the inside of regulating nail;
Described regulating nail comprises interconnective adjuster bar and adjusting head, one end of adjuster bar is connected with adjusting head, this adjusting head and left elastic mechanism, left vibration rocker junction or right elastic mechanism, right vibration rocker junction are connected, the outside of the adjuster bar other end is inserted with the inside of sensing needle on value sensor and is coordinated, and inside adjuster bar being positioned at the position of sensing needle studs with the signal detection mechanism coaxial with sensing needle.
Described reference point is a metal bosses structure;
Described tested part is rotary structure, is provided with two stiff ends; Described tested part comprises automobile crane, flywheel, clutch coupling, brake flange, roll, rotor, fan, draught fan impeller, turbine rotor or screw propeller.
A using method for the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of above-mentioned imbalance, this using method comprises electromechanical setting successively and demarcates technique, first measurement technique and subsequent control technique;
Described subsequent control technique comprises the automatic lock machine step of uneven overproof lower machine; Overproof during described imbalance is overproof refers to that the value of tested part is greater than the balance acceptance value that arranged or phase place exceeds the angle tolerance acceptance value arranged;
A, electromechanical setting and demarcation technique refer to: the total power switch first opening this dynamic balance measuring device, open the electric part in dynamic balance measuring device again, then tune press proof part is mounted and fixed in left support mechanism, right support mechanism, again system calibrating is carried out to this dynamic balance measuring device, this system calibrating comprise arrange balance acceptance value, angle tolerance acceptance value, then carry out debugging efforts, after debugging efforts terminates, unload and lower press proof part, now, electromechanical setting and demarcation technique terminate;
B, measure technique first to refer to: first tested part is mounted and fixed on left support mechanism, in right support mechanism, by start button, amount of unbalance measurement is carried out to tested part again, in measuring process, tested part is by the balancing speed constant speed rotary of setting, in rotary course, value sensor, the magnitude signal of the tested part that it surveys by phase detector, phase signal is successively through the preposition analysis process system of signal, electrical measurement I/O interface, signal A/D converting system, industrial computer I/O interface, computer system is entered after Communication Control card, sequential operation is carried out to draw the initial unbalance, of tested part again by computer system, this initial unbalance, comprises value and phase place, and judge whether to meet its balancing processing requirement, then value is shown on the display system, phase place and qualified or overproof judged result, describedly qualifiedly refer to that value, phase place all meet the balance acceptance value, the angle tolerance acceptance value that have arranged, describedly overproofly refer to that value is greater than the balance acceptance value that arranged or phase place exceeds the angle tolerance acceptance value arranged, meanwhile, computer system sends instructions to control execution module to stop motor through Communication Control card, now, measures technique first and terminates,
C, subsequent control technique comprise: the rate-determining steps that the rate-determining steps that initial unbalance, meets the demands, initial unbalance, do not meet the demands, the automatic lock machine step of uneven overproof lower machine:
A, the rate-determining steps that initial unbalance, meets the demands refers to: first by machine under tested part, while lower machine, sensor for countering, judge sensor successively through controlling execution module, electrical measurement I/O interface, signal A/D converting system, industrial computer I/O interface, after Communication Control card, actuating signal is fed back into computer system, again by computer system successively through Communication Control card, industrial computer I/O interface, signal A/D converting system, send instruction after electrical measurement I/O interface to work on to control each performance element to controlling execution module, simultaneously, qualified for tested part counting is added up, and the raw data of tested part and net result value are stored in the database of computer system, then the measurement of next tested part is carried out,
The rate-determining steps that b, initial unbalance, do not meet the demands refers to: first carry out disequilibrium regulating to tested part, after correction, again by start button to carry out repetition measurement to tested part, the step of repetition measurement is with above-mentioned to measure technique first identical, circulate successively, until the result of repetition measurement meets balancing processing requirement, the rate-determining steps then met the demands by above-mentioned initial unbalance, operates;
C, uneven overproof lower machine automatic lock machine step refers to: the rate-determining steps do not met the demands at above-mentioned initial unbalance, carry out in process, when the amount of unbalance of tested part is overproof, if by machine under tested part, while lower machine, sensor for countering, judge sensor successively through controlling execution module, electrical measurement I/O interface, signal A/D converting system, industrial computer I/O interface, after Communication Control card, actuating signal is fed back into computer system, again by computer system successively through Communication Control card, industrial computer I/O interface, signal A/D converting system, send instruction after electrical measurement I/O interface to quit work to realize lock machine to control each performance element to controlling execution module, computer system also quits work simultaneously, after lock machine, the qualified counting of tested part does not add up, the raw data of tested part and net result value are not stored in the database of computer system yet, until after unlocking, this measurement mechanism could recover normal and run.
Described electromechanical setting is with in demarcation technique: described debugging efforts refers to: complete setting rated engine speed successively, without test mass test, left test mass is tested, right test mass is tested, clamp compensation test operation.
Described electromechanical setting is with in demarcation technique: the electric part in described unlatching dynamic balance measuring device refers to: open the power supply in electric-control system, and start electric measuring system, industrial computer system and display system.
Describedly measure in technique, subsequent control technique first:
When equivalent value or phase place do not meet balancing processing requirement, the value that display system shows or the numerical value of phase place are for yellow;
When equivalent value or phase place meet balancing processing requirement, the value that display system shows or the numerical value of phase place are for green;
When equivalent value or phase place do not meet balancing processing requirement, display system shows yellow NG text prompt;
When equivalent value, phase place all meet balancing processing requirement, display system shows green OK text prompt.
Compared with prior art, beneficial effect of the present invention is:
1, the dynamic balance measuring device in the dynamic balance measuring device of the automatic lock machine of the uneven overproof lower machine of the present invention and using method thereof comprises mechanical part and electric part, wherein, mechanical part has been set up judgement sensor, this sensor is positioned at the below of tested part, generally be installed on vibration rocker, during use, judge that sensor can carry out Real-Time Monitoring to the machine up and down of tested part, its monitoring result is convenient to the tested part overproof to imbalance and is carried out limited monitoring, uneven overproof tested part is avoided to enter next procedure, as: the machine information up and down monitored is passed to the computer system in electric part in industrial computer system, by computer system, upper and lower machine information is analyzed, judge, thus whole dynamic balance measuring device is controlled, once the situation that the uneven overproof tested part of generation is unloaded by operator, will automatically quit work by lock machine, just can work on until keeper unlocks, substantially increase monitoring effect, reach the object automatically ensureing tested part balancing processing quality.Therefore, the present invention automatically can stop uneven overproof tested part and flow into next procedure, and monitoring effect is stronger.
2, mechanical part in the dynamic balance measuring device of the automatic lock machine of the uneven overproof lower machine of the present invention and using method thereof is except arranging traditional value sensor, beyond phase detector, also set up judgement sensor, sensor for countering, during use, value sensor, phase detector, judge sensor, sensor for countering can carry out signal contact in real time with electric part, with the various information by tested part, as unbalance dynamic value, phase place, up and down whether machine and sensor for countering are to the counting accumulating function of qualified tested part, all immediately, send electric part to, so that electric part carries out real-time monitoring to mechanical part, meanwhile, be convenient to the initial of tested part balance detection and result data automatically to preserve in the database of computer system (containing machine number in real time, tested part title and model, operator's name and job number, the test starting and ending time of each tested part, initial unbalance, and residual unbalance, qualified limit value and quality grade judgement etc.), and the tested part balance detection data of preserving are counted and added up, quality grade judges, and the statistical report form of various condition exports, and substantially increase automaticity, not only save human resources, reduce cost consumption, and work efficiency is higher.Therefore, the present invention can not only preserve in real time to the initial of tested part and result data, and automaticity is comparatively strong, and work efficiency is higher.
3, the judgement sensor in the dynamic balance measuring device of the automatic lock machine of the uneven overproof lower machine of the present invention and using method thereof, sensor for countering all by sensor support adjustment seat with vibrate rocker and be connected, this sensor support adjustment seat is L-type structure, comprise leveling board connected vertically and vertical plate, the adjustment seat fixed orifice of the kidney ellipsoid that vertical plate is arranged not only is convenient to adjust the detecting distance between joint sensor and tested part, to improve accuracy of detection, and operation easier is lower.Therefore, the present invention not only accuracy of detection is higher, and convenient operation.
4, the signal detection device in the dynamic balance measuring device of the automatic lock machine of the uneven overproof lower machine of the present invention and using method thereof and sensing needle, rocker are coaxially arranged, during use, the horizontal reciprocating movement of rocker can be directly passed to sensing needle and carry out synchronous horizontal reciprocating movement to drive it, be conducive to the accuracy of detection improving value sensor.Therefore, accuracy of detection of the present invention is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of mechanical part in the present invention.
Fig. 2 is the structural representation of electric part in the present invention.
The structural representation of Tu3Shi Tu1Zhong left support mechanism.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the structural representation of signal detection mechanism in Fig. 4.
The structural representation of Tu6Shi Tu1Zhong right support mechanism.
Fig. 7 is the right view of Fig. 6.
Fig. 8 is the structural representation of collar bush in Fig. 6.
Fig. 9 is the structural representation of sensor support adjustment seat in Fig. 6.
In figure: main frame body 1, guide rail 11, motor 12, driven pulley 13, reference point 131, electric-control system 2, variable-frequency speed-regulating controller 21, power supply 22, control execution module 23, electric measuring system 3, the preposition analysis process system 31 of signal, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer system 4, computer system 41, Communication Control card 42, industrial computer I/O interface 43, display system 5, left support mechanism 6, left swing stand 61, left vibration rocker 62, left elastic mechanism 63, roller 64, right support mechanism 7, right rocker seat 71, right vibration rocker 72, right elastic mechanism 73, transmission main shaft 74, bearing 75, collar bush 76, signal detection mechanism 8, regulating nail 81, adjuster bar 82, adjusting head 83, sensor support adjustment seat 9, leveling board 91, vertical plate 92, sensor mounting hole 93, adjustment seat fixed orifice 94, tested part 10, outrigger shaft 101, endoporus 102, value sensor O, sensing needle O1, phase detector P, judge sensors X, sensor for countering Y.
Embodiment
Illustrate that the present invention is further detailed explanation with embodiment below in conjunction with accompanying drawing.
See figure 1 – Fig. 9, the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance, comprise mechanical part and electric part, described mechanical part comprises main frame body 1, left support mechanism 6 and right support mechanism 7, the top of main frame body 1 is provided with guide rail 11, guide rail 11 and left support mechanism 6, the basal sliding of right support mechanism 7 coordinates, left support mechanism 6, the top of right support mechanism 7 and tested part 10 rotatable engagement, side away from tested part 10 on right support mechanism 7 top is provided with driven pulley 13, this driven pulley 13 coordinates with motor 12 transmission arranged in main frame body 1, driven pulley 13 is provided with phase detector P corresponding thereto immediately below reference point 131, left support mechanism 6, the sidepiece of right support mechanism 7 is respectively provided with a value sensor O, described electric part comprises display system 5,
Described mechanical part also comprises and judges sensors X and sensor for countering Y, and described electric part also comprises electric-control system 2, electric measuring system 3 and industrial computer system 4;
Described left support mechanism 6 comprises left swing stand 61 and inner left vibration rocker 62, the left elastic mechanism 63 arranged thereof, bottom and the guide rail 11 of left swing stand 61 are slidably matched, the top of left swing stand 61 is connected with the two ends bottom left vibration rocker 62 by left elastic mechanism 63, the junction of left elastic mechanism 63, left vibration rocker 62 is connected with value sensor O by signal detection mechanism 8, the top of left vibration rocker 62 and the left end rotatable engagement of tested part 10, and sensor for countering Y is provided with on left vibration rocker 62;
Described right support mechanism 7 comprises right rocker seat 71 and inner right vibration rocker 72, the right elastic mechanism 73 arranged thereof, bottom and the guide rail 11 of right rocker seat 71 are slidably matched, the top of right rocker seat 71 is connected with the two ends bottom right vibration rocker 72 by right elastic mechanism 73, the junction of right elastic mechanism 73, right vibration rocker 72 is connected with value sensor O by signal detection mechanism 8, the top of right vibration rocker 72 and the right-hand member rotatable engagement of tested part 10, and judgement sensors X is provided with on right vibration rocker 72;
Described electric-control system 2 comprises variable-frequency speed-regulating controller 21, power supply 22 and controls execution module 23; Described electric measuring system 3 comprises the preposition analysis process system 31 of signal, electrical measurement I/O interface 32 and signal A/D converting system 33; Described industrial computer system 4 comprises computer system 41, Communication Control card 42 and industrial computer I/O interface 43; Described display system 5 comprises LCD liquid crystal colour display screen and display execution module;
Described value sensor O, phase detector P are connected with computer system 41 signal successively after the preposition analysis process system 31 of signal, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, Communication Control card 42;
Described judgement sensors X, sensor for countering Y are connected with computer system 41 signal successively after controlling execution module 23, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, Communication Control card 42.
The top of described left vibration rocker 62 is provided with a pair roller 64, an outrigger shaft 101 coordinated with its rolling is shelved with between this pair roller 64, the other end of this outrigger shaft 101 is connected with the left end of tested part 10, the below of outrigger shaft 101, tested part 10 junction is provided with sensor for countering Y, and this sensor for countering Y is connected with the middle part bottom left vibration rocker 62 by sensor support adjustment seat 9.
The top of described right vibration rocker 72 is embedded with collar bush 76, the position, center of collar bush 76 inside is run through and is provided with coaxial transmission main shaft 74, the middle part of transmission main shaft 74 is connected by the inwall of bearing 75 with collar bush 76, the left end of transmission main shaft 74 inserts with the endoporus 102 that tested part 10 right-hand member is arranged and is connected, the right-hand member of transmission main shaft 74 inserts with the middle part of driven pulley 13 and is connected, driven pulley 13 is provided with phase detector P corresponding thereto immediately below reference point 131, this phase detector P is connected with the top of right vibration rocker 72, middle part bottom right vibration rocker 72 by sensor support adjustment seat 9 with judge that sensors X is connected, this judgement sensors X is positioned at tested part 10, the below of transmission main shaft 74 junction, and phase detector P, judge that sensors X lays respectively at the both sides of right vibration rocker 72.
Described sensor support adjustment seat 9 is L-type structure, comprises leveling board 91 connected vertically and vertical plate 92, leveling board 91 is provided with circular sensor mounting hole 93, vertical plate 92 is provided with the adjustment seat fixed orifice 94 of kidney ellipsoid.
Described signal detection mechanism 8 is arranged at the inside of regulating nail 81;
Described regulating nail 81 comprises interconnective adjuster bar 82 and adjusting head 83, one end of adjuster bar 82 is connected with adjusting head 83, this adjusting head 83 and left elastic mechanism 63, left vibration rocker 62 junction or right elastic mechanism 73, right vibration rocker 72 junction are connected, the outside of adjuster bar 82 other end is inserted with the inside of sensing needle O1 on value sensor O and is coordinated, and inside adjuster bar 82 being positioned at the position of sensing needle O1 studs with the signal detection mechanism 8 coaxial with sensing needle O1.
Described reference point 131 is a metal bosses structure;
Described tested part 10 is rotary structure, is provided with two stiff ends; Described tested part 10 comprises automobile crane, flywheel, clutch coupling, brake flange, roll, rotor, fan, draught fan impeller, turbine rotor or screw propeller.
A using method for the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of above-mentioned imbalance, this using method comprises electromechanical setting successively and demarcates technique, first measurement technique and subsequent control technique;
Described subsequent control technique comprises the automatic lock machine step of uneven overproof lower machine; Overproof during described imbalance is overproof refers to that the value of tested part is greater than the balance acceptance value that arranged or phase place exceeds the angle tolerance acceptance value arranged;
A, electromechanical setting and demarcation technique refer to: the total power switch first opening this dynamic balance measuring device, open the electric part in dynamic balance measuring device again, then tune press proof part is mounted and fixed in left support mechanism 6, right support mechanism 7, again system calibrating is carried out to this dynamic balance measuring device, this system calibrating comprise arrange balance acceptance value, angle tolerance acceptance value, then debugging efforts is carried out, after debugging efforts terminates, unload and lower press proof part, now, electromechanical setting and demarcation technique terminate;
B, measure technique first to refer to: first tested part 10 is mounted and fixed on left support mechanism 6, in right support mechanism 7, by start button, amount of unbalance measurement is carried out to tested part 10 again, in measuring process, tested part 10 is by the balancing speed constant speed rotary of setting, in rotary course, value sensor O, the magnitude signal of the tested part 10 that it surveys by phase detector P, phase signal is successively through the preposition analysis process system 31 of signal, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, computer system 41 is entered after Communication Control card 42, sequential operation is carried out to draw the initial unbalance, of tested part 10 again by computer system 41, this initial unbalance, comprises value and phase place, and judge whether to meet its balancing processing requirement, then in display system 5, value is shown, phase place and qualified or overproof judged result, describedly qualifiedly refer to that value, phase place all meet the balance acceptance value, the angle tolerance acceptance value that have arranged, describedly overproofly refer to that value is greater than the balance acceptance value that arranged or phase place exceeds the angle tolerance acceptance value arranged, meanwhile, computer system 41 sends instructions to control execution module 23 to stop motor 12 through Communication Control card 42, now, measures technique first and terminates,
C, subsequent control technique comprise: the rate-determining steps that the rate-determining steps that initial unbalance, meets the demands, initial unbalance, do not meet the demands, the automatic lock machine step of uneven overproof lower machine:
A, the rate-determining steps that initial unbalance, meets the demands refers to: first by tested part 10 times machines, while lower machine, sensor for countering Y, judge sensors X successively through controlling execution module 23, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, actuating signal is fed back into computer system 41 after Communication Control card 42, again by computer system 41 successively through Communication Control card 42, industrial computer I/O interface 43, signal A/D converting system 33, send instruction after electrical measurement I/O interface 32 to work on to control each performance element to controlling execution module 23, simultaneously, qualified for tested part 10 counting is added up, and the raw data of tested part 10 and net result value are stored in the database of computer system 41, then the measurement of next tested part is carried out,
The rate-determining steps that b, initial unbalance, do not meet the demands refers to: first carry out disequilibrium regulating to tested part 10, after correction, again by start button to carry out repetition measurement to tested part 10, the step of repetition measurement is with above-mentioned to measure technique first identical, circulate successively, until the result of repetition measurement meets balancing processing requirement, the rate-determining steps then met the demands by above-mentioned initial unbalance, operates;
C, uneven overproof lower machine automatic lock machine step refers to: the rate-determining steps do not met the demands at above-mentioned initial unbalance, carry out in process, when the amount of unbalance of tested part 10 is overproof, if by tested part 10 times machines, while lower machine, sensor for countering Y, judge sensors X successively through controlling execution module 23, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, actuating signal is fed back into computer system 41 after Communication Control card 42, again by computer system 41 successively through Communication Control card 42, industrial computer I/O interface 43, signal A/D converting system 33, send instruction after electrical measurement I/O interface 32 to quit work to realize lock machine to control each performance element to controlling execution module 23, computer system 41 also quits work simultaneously, after lock machine, the qualified counting of tested part 10 does not add up, the raw data of tested part 10 and net result value are not stored in the database of computer system 41 yet, until after unlocking, this measurement mechanism could recover normal and run.
Described electromechanical setting is with in demarcation technique: described debugging efforts refers to: complete setting rated engine speed successively, without test mass test, left test mass is tested, right test mass is tested, clamp compensation test operation.
Described electromechanical setting is with in demarcation technique: the electric part in described unlatching dynamic balance measuring device refers to: open the power supply 22 in electric-control system 2, and starts electric measuring system 3, industrial computer system 4 and display system 5.
Describedly measure in technique, subsequent control technique first:
When equivalent value or phase place do not meet balancing processing requirement, in display system 5, the value of display or the numerical value of phase place are yellow;
When equivalent value or phase place meet balancing processing requirement, in display system 5, the value of display or the numerical value of phase place are green;
When equivalent value or phase place do not meet balancing processing requirement, display system 5 shows yellow NG text prompt;
When equivalent value, phase place all meet balancing processing requirement, display system 5 shows green OK text prompt.
principle of the present invention is described as follows:
Existing dynamic balance measuring device is generally made up of two large divisions, i.e. mechanical part and electric part.Wherein, mechanical part is divided into vertical and horizontal dynamic balance measuring device by technical pattern pattern; Electric part is divided into single chip microcomputer process numerical monitor and computer disposal screen display by treatment technology pattern.By the technological requirement of tested part dynamic balancing technique, the amount of unbalance that existing dynamic balance measuring device all possesses tested part detects and value, phase place Presentation Function, but do not possess the uneven automatic lock machine of overproof lower machine of tested part and monitoring function, uneven overproof part cannot be avoided to flow into next procedure.
The present invention is on the basis of existing dynamic balance measuring device, by increasing judgement sensor, a sensor for countering system of an imbalance " qualified " and " overproof ", additional transient equilibrium dedicated test programme software bundle, maintenance data storehouse and Computer I/O interface communication technology are docked with dynamic balancing electric measuring system, carry out transient equilibrium detection, product quality automatic measuring and controlling and intelligent production management.Concrete effect is as follows:
When operator carries out imbalance test and the correction work of tested part on this measurement mechanism, when the uneven result of some tested parts is overproof, and operator is when unloading this part, the automatic lock machine of dynamic balance measuring device, the all action of system quits work, and must unlock equilibrator by keeper could work on again.In addition, the initial of tested part and result data can also preserve and quality monitoring by this measurement mechanism in real time automatically, count and add up, quality grade judges, and the statistical report form of various condition exports to the tested part balance detection data of preserving.
The tested part that this measurement mechanism is surveyed refers to: after fixing two ends by self or accessory, the part that can rotate, as automobile crane, flywheel, clutch coupling, brake flange, roll, rotor, fan, draught fan impeller, turbine rotor, screw propeller, guided missile, satellite or airship etc.
one, mechanical part:
(1), main frame body, guide rail:
Main frame body is the support body of equipment, fixing and support in whole measurement mechanism mechanical part, and the enterprising line slip of guide rail that left and right supporting mechanism can be made to arrange at its top, to adapt to the support needs of different tested part, simultaneously, be provided with motor therein to carry out transmission with driven pulley and coordinate, rotate to drive tested part.It can be ironcasting, steel-casting or steel construction piece, as long as have enough support stiffnesses and intensity just meets the demands.
(2), left support mechanism, right support mechanism:
Left support mechanism, right support mechanism are the mechanisms that supporting tested part rotates, this mechanism is according to the characteristic of tested part, there are idler wheel mechanism, V-arrangement mechanism, bearing seat mechanism etc., it both played supporting role, tested part can be made again normally to rotate, reach the effect of transmitting tested part unbalance dynamic power.
The inside of left and right supporting mechanism is provided with left and right vibration rocker, and left and right vibration rocker is connected with signal detection mechanism, picking up and transmission system of common formation tested part unbalance dynamic power.First the unbalance dynamic power produced when tested part rotates apply to give left and right vibration rocker, signal detection mechanism is passed to again through left and right elastic mechanism, then be defeated by value sensor by signal detection mechanism, thus obtain magnitude of voltage and the waveform signal of unbalance dynamic power.
(3), driven pulley, motor:
Driven pulley, motor are the mechanisms driving tested part to be rotated.During running, the driving pulley be installed on motor drags driven pulley through driving-belt and rotates, and driven pulley drives coupled tested part synchronous rotary.Motor must have enough power, tested part constant speed rotary under certain rotating speed can be driven, and the gyro frequency of motor internal and other interfering frequency can't with balancing work rotating speed with frequently or frequency multiplication, to eliminate it to the interference of tested part unbalance dynamic power and impact.
(4), value sensor, phase detector:
Value sensor: the unbalance dynamic power produced when being and being rotated by tested part is converted into magnetoelectric sensor or the force snesor of analog voltage and waveform signal.When the unbalance dynamic power produced when tested part rotates makes vibration rocker of reciprocating vibration, vibration rocker passes to signal detection mechanism through elastic mechanism, the sensing needle of sensor is synchronously passed to again by signal detection mechanism, make again sensing needle do synchronous reciprocating motion, reciprocating size is directly proportional to the size of unbalance dynamic power; The coil synchronous reciprocating motion be simultaneously fixed on sensing needle carrys out the magnetic line of force of incising circular permanent-magnet steel, at this moment coil will produce alternating voltage, the size of alternating voltage is directly proportional to the size of unbalance dynamic power, and this signal is exactly the unbalance dynamic magnitude signal of tested part.
Phase detector: the reference phase point signal transducer being tested part unbalance dynamic power, it can be magnetoelectric sensor, electro-optical pickoff or photoelectric encoder.When tested part rotates, the driven pulley of dragging tested part synchronous rotary has a reference point, and this reference point often turns around and will make phase detector action once, sends pulsatile once reference signal, and this signal is exactly unbalance phase reference signal.
(5), sensor is judged:
According to the overall requirement of native system, judge that the type of sensor and technical performance index are: NPN type, circular external thread, normally closed, operating voltage DC+5V, distance of reaction scope 10 – 100mm.Be installed in sensor support adjustment seat by nut.External thread is convenient to regulate between sensor and tested part detecting distance, and (external thread can allow the two ends of sensor to be respectively locked in sensor support adjustment seat by a nut, the nut of loose ends, just easily can regulate the detecting distance between sensor and tested part, the nut at two ends is locked again after mixing up), during to reach lower members, sensor can action message send actuating signal in good time.
(6), sensor for countering:
According to the overall requirement of system, the type of sensor for countering and technical performance index are: NPN type, circular external thread, normally closed, operating voltage DC+5V, distance of reaction scope 10 – 100mm.Be installed in sensor support adjustment seat by nut.External thread is convenient to regulate the detecting distance between sensor and tested part, and during to reach lower members, sensor can action message send actuating signal in good time.
(7), sensor support adjustment seat:
Be made up of 3 – 5mm cold-rolled steel sheets, will judge that sensor or sensor for countering are fixed on its one end, the other end is fixed on vibration rocker.According to different tested parts and vibration pendulum shelf structure, this sensor support adjustment seat can make board-type, acute angle shape, square, obtuse angle shape or other shapes adapted, the one end be fixed on vibration rocker has oval hole, so that regulate the detecting distance between sensor and tested part.
Because the tested part of different-diameter or surface color is different to the distance of reaction of sensor, therefore, judge that sensor or sensor for countering are only otherwise interference with other system or mechanism, be arranged in the concealed location of vibration rocker as far as possible, by regulating the detecting distance between sensor and measured workpiece, tested part can be sensed and just meet the requirements.
(8), the operational process of mechanical part:
During use, motor passes through driving pulley successively, belt, driven pulley, transmission main shaft drives tested part synchronous rotary, and (top of left vibration rocker is provided with two supporting rollerns to support the outrigger shaft of tested part, the top of right vibration rocker is provided with a running transmission main shaft with the endoporus of supporting and fixing tested part and drives tested part to rotate, a driven pulley is provided with on the right side of transmission main shaft on right vibration pendulum top of the trellis, this driven pulley is coordinated with the motor-driven be positioned at below guide rail by belt), during rotation, the reference point (metal small boss) of driven pulley on it rotates thereupon together, when reference point is close to phase detector, because phase detector is magneto-electric approach switch sensor, in sensor, the magnetic flux of permanent-magnet steel will change, convert this magnetic flux changed to voltage signal, just obtain a pulse voltage value, when reference point leaves phase detector, the magnetic flux of permanent-magnet steel restPoses.Thus, driven pulley often revolves to turn around and will obtain an identical pulse voltage value, that is per minute have how many pulse voltage values just to illustrate driven pulley is per minute have rotated how many circles.
Simultaneously, when tested part rotates, because its non-uniform mass will produce centrifugal force---unbalance dynamic power, this unbalance dynamic power makes a left side, right vibration rocker produces vibration, vibration passing is given left, right elastic mechanism, due to elastic mechanism at right angle setting, its rigidity is in the horizontal direction the poorest, so vibration can make elastic mechanism together with rocker in the horizontal direction in reciprocally swinging, this reciprocally swinging passes through signal detection mechanism (with rocker, on sensor, sensing coaxial needle is direct-connected) synchronously pass to the sensing needle of sensor, synchronously horizontal reciprocating movement is made to make sensing needle, reciprocating size is directly proportional to the size of unbalance dynamic power, the coil be fixed on sensing needle does level of synchronization to-and-fro movement with the magnetic line of force of incising circular permanent-magnet steel simultaneously, coil will produce alternating voltage, the size of this voltage is directly proportional to the size of unbalance dynamic power, this signal is exactly the unbalance dynamic magnitude signal of tested part.
In addition, when upper and lower tested part, judge the real-time action message of the equal energy of sensor, sensor for countering and send actuating signal (to judge sensor, sensor for countering is on-off model, when tested part does not unload, these two sensors are conductings, when tested part unloads, sensor just disconnects, the sensor switching value signal be turned on or off will make the relay controlled on execution module in electric-control system be turned on or off, thus produces feedback signal finally to enter computer system) to enter the computer system in industrial computer system.
two, electric part:
(1), electric-control system: comprise variable-frequency speed-regulating controller, power supply and control execution module:
Variable-frequency speed-regulating controller: by the balancing work rotating speed of surveying work process requirements setting tested part, the energy/time curve in start and stop stage, and surveying work cycle.It is once obtain work order, will operate by the surveying work program controlled motor of setting, and then dragging tested part carries out rotating and unbalance dynamic testing.
Power supply: i.e. direct-current switch power supply, provides+5V ,+12V ,+24V direct supply to export, and for electric-control system execution module and executive component provide input power, antijamming capability is strong simultaneously.
Control execution module: comprise frequency converter, isolating switch, auxiliary reclay, main relay, Action Button, solenoid valve etc.Function converts the input instruction of acquisition to output action instruction by surveying work flow process, and commander action functional organization (motor, button, judgement sensor, sensor for countering, switch etc.) completes corresponding action.
Electric-control system is the executive system of this measurement mechanism, and whole electric-control system is assembled on one piece of insulcrete, is generally installed on the bottom in electric part switch board.
(2), electric measuring system: comprise the preposition analysis process system of signal, electrical measurement I/O interface, signal A/D converting system:
The preposition analysis process system of signal: be that the value of unbalance dynamic, phase place original signal are carried out by mechanics principle and balance technical manual the weak electricity system that processes.The unbalance dynamic force signal of value sensor input, the angle reference signal of phase detector input, carry out within the system amplifying, the signal transacting work such as filtering, infinitesimal analysis, phase sensitive detection, separation are resolved, the signal after having processed carries out computing, treatment and analysis again via entering computer system after electrical measurement I/O interface, signal A/D converting system, industrial computer I/O interface, Communication Control card successively.
Electrical measurement I/O interface: the terminal being signal I/O.The signal that preposition for signal analysis process system, signal A/D converting system, industrial computer system transmission come by it, by the requirement of balance detection programmed instruction, then passes.
Signal A/D converting system: be the weak electricity system of the simulating signal of input or digital signal being carried out conversion process.
The function of electric measuring system is after the unbalance dynamic value of tested part, phase signal are carried out analyzing and processing, and through A/D conversion, then transfer to the measuring-signal disposal system that industrial computer system carries out computing.Whole electric measuring system is assembled in a sizeable standard container, then is installed on the middle part in electric part switch board.
(3), industrial computer system: comprise computer system, Communication Control card, industrial computer I/O interface:
Computer system: the brain being whole measurement mechanism, configuration requirement is standard industry level computer for controlling (2.4G CPU, 500G hard disk, 512MB internal memory, standard configuration I/O interface, 10/100M Ethernet interface), 17 cun of liquid crystal colour display screens, PKB photoelectric keyboard mark mouse.Transient equilibrium dedicated test program software comprises unbalance dynamic measurement, the automatic lock machine of uneven overproof lower machine, measured workpiece raw data and the storage of testing result data, quality monitoring and intelligent management program, is pre-installed in computer system.
Communication Control card: standard movement control card (ISA mouth), it is the motion control mechanism requiring to control each performance element action according to the programmed instruction of industrial computer system.
Industrial computer I/O interface: the terminal being signal I/O.The signal that electric-control system, electric measuring system transmission come by it, passes to industrial computer system and carry out calculation process, the more final instruction sent by industrial computer system passes by the requirement of balance detection programmed instruction.
Industrial computer system is the nervous centralis of whole measurement mechanism, and all instructions are all by balancing technique and balancing processing requirement, carry out after sequential operation, then sent by computer system through special software, is transferred to electric-control system and performs work in every.Whole industrial computer system is assembled in a standard PC case, then is installed on the middle and upper part in electric part switch board.
(4), display system: comprise LCD liquid crystal colour display screen, display execution module:
The function of display system is exactly unbalance dynamic power size, the phase angle value of the tested part after electric measuring system, industrial computer system analysis, process, computing being completed, and other element informations etc. of procedure stipulation directly show on LCD liquid color display.Whole display system is installed on the top in electric part switch board.
three, using method:
(1), electromechanical setting and demarcation technique:
System calibrating comprises and arranges balance parameters (systematic parameter, workpiece parameter, left and right measuring surface test mass parameter, workpiece rotor ABC parameter, calibration rotor ABC parameter and factory's name, machine number, operator), arranges technological parameter (tested part product is arranged, disequilibrium regulating optimum configurations) and " setting rated engine speed, test without test mass test, the test of left test mass, the test of right test mass, clamp compensation ", wherein, topmost, be also directly related with uneven value, phase place:
" balance acceptance value: the qualified limit value of maximum permission balance of input test product " and " angle tolerance acceptance value: (30 – 90) inputs by the angle tolerance limit value requirement of test product " that in " arranging technological parameter ", " disequilibrium regulating optimum configurations " is inner.
(2), technique is measured first:
By start button,---programmed instruction makes variable-frequency speed-regulating controller work, and---starter motor---drags driven pulley to rotate---and then making tested part by the balancing speed constant speed rotary of setting---during tested part constant speed rotary, (static unbalance power Fr is called because non-uniform mass will produce centrifugal intertia force, couple unbalance power Fa)---at this moment the two acts on a left side simultaneously, right vibration rocker makes it of reciprocating vibration---pass through a left side again, right elastic mechanism passes to signal detection mechanism, and---sensing needle on value sensor synchronously passes to value sensor, and---the coil synchronous reciprocating motion be simultaneously fixed on sensing needle cuts the magnetic line of force---at this moment coil will produce alternating voltage---of sensor circular permanent magnet steel thus the magnitude of voltage of acquisition unbalance dynamic centrifugal intertia force and waveform signal, meanwhile, reference point on driven pulley often turns around and will make phase detector action once---send pulsatile once reference signal, this signal is exactly unbalance phase reference signal, and---two groups of signals transfer in electric measuring system again---amplifies, filtering, infinitesimal analysis, phase sensitive detection, separation is resolved, A/D conversion waits signal transacting work---after having processed, pass to computer system through industrial computer I/O interface and carry out computing, treatment and analysis---computer system presses mechanics principle, balancing technique and balancing processing requirement, by transient equilibrium dedicated test program software, sequential operation is carried out to it---and by the balancing processing technical requirement of tested part, demonstrating the amount of unbalance size on balance correction face and phase place on the display system respectively---computer system judges whether the amount of unbalance size of tested part and phase place meet its balancing processing requirement simultaneously, by " qualified ", on screen, (colors available is distinguished: yellow is overproof with " overproof " judgment result displays, green is qualified, and N/O prompt facility, namely overproofly prompt for NG, qualifiedly prompt for OK)---then, computer system programmed instruction successively through Communication Control card, control execution module and control variable-frequency speed-regulating controller and export deceleration of electrons signal and shut down fast to make motor.
(3), subsequent control technique comprises:
After shutdown, be divided into two kinds of situations: initial unbalance, meets the demands and not meet the demands with initial unbalance.
1, initial unbalance, meets the demands:
If operator is not by machine under these qualified part: judge sensor, sensor for countering do not have action, action command signal is not fed back to computer system yet, computer system will control each performance element and work on, and the qualified counting of tested part does not add up, the raw data of tested part and net result value are not stored in computer system data storehouse yet.
If operator is by machine under these qualified part: while lower machine, sensor for countering, judge sensor successively through controlling execution module, electrical measurement I/O interface, signal A/D converting system, industrial computer I/O interface, after Communication Control card, actuating signal is fed back into computer system, again by computer system successively through Communication Control card, industrial computer I/O interface, signal A/D converting system, send instruction after electrical measurement I/O interface to work on to control each performance element to controlling execution module, simultaneously, qualified for tested part counting is added up, and the raw data of tested part and net result value are stored in the database of computer system, then the measurement of next tested part is carried out.
2, initial unbalance, does not meet the demands:
First tested part carries out disequilibrium regulating, after correction, again by start button to carry out repetition measurement to tested part, the step of repetition measurement is with above-mentioned to measure technique first identical, circulate successively, require (the residual unbalance, size of tested part and phase place all meet balancing processing and require) until the result of repetition measurement meets balancing processing, the rate-determining steps then met the demands by above-mentioned initial unbalance, operates.
3, the automatic lock machine of uneven overproof lower machine:
The rate-determining steps do not met the demands at above-mentioned initial unbalance, carry out in process, when the amount of unbalance of tested part is overproof, if by machine under tested part, while lower machine, sensor for countering, judge sensor successively through controlling execution module, electrical measurement I/O interface, signal A/D converting system, industrial computer I/O interface, after Communication Control card, actuating signal is fed back into computer system, again by computer system successively through Communication Control card, industrial computer I/O interface, signal A/D converting system, send instruction after electrical measurement I/O interface to quit work to realize lock machine to control each performance element to controlling execution module, computer system also quits work simultaneously, after lock machine, the qualified counting of tested part does not add up, the raw data of tested part and net result value are not stored in the database of computer system yet, must keeper unlock, whole system could enter normal operating conditions again.
embodiment 1:
See figure 1 – Fig. 9, the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance, comprises mechanical part and electric part;
Described mechanical part comprises main frame body 1, left support mechanism 6, right support mechanism 7, value sensor O, phase detector P, judges sensors X and sensor for countering Y, and the top of main frame body 1 be provided with left support mechanism 6, right support mechanism 7 bottom all carry out the guide rail 11 that is slidably matched; Described tested part 10 is rotary structure, and be provided with two stiff ends, tested part 10 comprises automobile crane, flywheel, clutch coupling, brake flange, roll, rotor, fan, draught fan impeller, turbine rotor or screw propeller;
Described left support mechanism 6 comprises left swing stand 61 and the inner left vibration rocker 62 arranged thereof, left elastic mechanism 63, bottom and the guide rail 11 of left swing stand 61 are slidably matched, the top of left swing stand 61 to be connected with the two ends bottom left vibration rocker 62 by left elastic mechanism 63, and (left elastic mechanism 63 is vertically arranged, the bottom level of left vibration rocker 62 is arranged), left elastic mechanism 63, the junction of left vibration rocker 62 is connected with value sensor O by signal detection mechanism 8, the top of left vibration rocker 62 is provided with a pair roller 64, an outrigger shaft 101 coordinated with its rolling is shelved with between this pair roller 64, the other end of this outrigger shaft 101 is connected with the left end of tested part 10, outrigger shaft 101, the below of tested part 10 junction is provided with sensor for countering Y, this sensor for countering Y is connected with the middle part bottom left vibration rocker 62 by sensor support adjustment seat 9,
Described right support mechanism 7 comprises right rocker seat 71 and the inner right vibration rocker 72 arranged thereof, right elastic mechanism 73, bottom and the guide rail 11 of right rocker seat 71 are slidably matched, the top of right rocker seat 71 to be connected with the two ends bottom right vibration rocker 72 by right elastic mechanism 73, and (right elastic mechanism 73 is vertically arranged, the bottom level of right vibration rocker 72 is arranged), right elastic mechanism 73, the junction of right vibration rocker 72 is connected with value sensor O by signal detection mechanism 8, the top of right vibration rocker 72 is embedded with collar bush 76, the position, center of collar bush 76 inside is run through and is provided with coaxial transmission main shaft 74, the middle part of transmission main shaft 74 is connected by the inwall of bearing 75 with collar bush 76, the left end of transmission main shaft 74 inserts with the endoporus 102 that tested part 10 right-hand member is arranged and is connected, the middle part of the driven pulley 13 that the right-hand member of transmission main shaft 74 is arranged with the side away from tested part 10 on right support mechanism 7 top is inserted and is connected, this driven pulley 13 coordinates with motor 12 transmission arranged in main frame body 1, reference point 131(metal bosses structure on driven pulley 13) immediately below be provided with phase detector P corresponding thereto, this phase detector P is connected with the top of right vibration rocker 72, middle part bottom right vibration rocker 72 by sensor support adjustment seat 9 with judge that sensors X is connected, this judgement sensors X is positioned at tested part 10, the below of transmission main shaft 74 junction, and phase detector P, judge that sensors X lays respectively at the both sides of right vibration rocker 72,
Described sensor support adjustment seat 9 is L-type structure, comprises leveling board 91 connected vertically and vertical plate 92, leveling board 91 is provided with circular sensor mounting hole 93, vertical plate 92 is provided with the adjustment seat fixed orifice 94 of kidney ellipsoid;
Described signal detection mechanism 8 is arranged at the inside of regulating nail 81; Described regulating nail 81 comprises interconnective adjuster bar 82 and adjusting head 83, one end of adjuster bar 82 is connected with adjusting head 83, this adjusting head 83 and left elastic mechanism 63, left vibration rocker 62 junction or right elastic mechanism 73, right vibration rocker 72 junction are connected, the outside of adjuster bar 82 other end is inserted with the inside of sensing needle O1 on value sensor O and is coordinated, and inside adjuster bar 82 being positioned at the position of sensing needle O1 studs with the signal detection mechanism 8 coaxial with sensing needle O1;
Described electric part comprises electric-control system 2, electric measuring system 3, industrial computer system 4 and display system 5;
Described electric-control system 2 comprises variable-frequency speed-regulating controller 21, power supply 22 and controls execution module 23; Described electric measuring system 3 comprises the preposition analysis process system 31 of signal, electrical measurement I/O interface 32 and signal A/D converting system 33; Described industrial computer system 4 comprises computer system 41, Communication Control card 42 and industrial computer I/O interface 43; Described display system 5 comprises LCD liquid crystal colour display screen and display execution module;
Described value sensor O, phase detector P are connected with computer system 41 signal successively after the preposition analysis process system 31 of signal, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, Communication Control card 42;
Described judgement sensors X, sensor for countering Y are connected with computer system 41 signal successively after controlling execution module 23, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, Communication Control card 42.
A using method for the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of above-mentioned imbalance, this using method comprises electromechanical setting successively and demarcates technique, first measurement technique and subsequent control technique;
Described subsequent control technique comprises the automatic lock machine step of uneven overproof lower machine; Overproof during described imbalance is overproof refers to that the value of tested part is greater than the balance acceptance value that arranged or phase place exceeds the angle tolerance acceptance value arranged;
A, electromechanical setting and demarcation technique refer to: the total power switch first opening this dynamic balance measuring device, the electric part opened again in dynamic balance measuring device (opens the power supply 22 in electric-control system 2, and start electric measuring system 3, industrial computer system 4 and display system 5), then tune press proof part is mounted and fixed on left support mechanism 6, in right support mechanism 7, again system calibrating is carried out to this dynamic balance measuring device, this system calibrating comprises and arranges balance acceptance value, angle tolerance acceptance value, then carry out debugging efforts and (complete setting rated engine speed successively, test without test mass, left test mass test, right test mass test, clamp compensation test operation), after debugging efforts terminates, unload and lower press proof part, now, electromechanical setting and demarcation technique terminate,
B, measure technique first to refer to: first tested part 10 is mounted and fixed on left support mechanism 6, in right support mechanism 7, by start button, amount of unbalance measurement is carried out to tested part 10 again, in measuring process, tested part 10 is by the balancing speed constant speed rotary of setting, in rotary course, value sensor O, the magnitude signal of the tested part 10 that it surveys by phase detector P, phase signal is successively through the preposition analysis process system 31 of signal, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, computer system 41 is entered after Communication Control card 42, sequential operation is carried out to draw the initial unbalance, of tested part 10 again by computer system 41, this initial unbalance, comprises value and phase place, and judge whether to meet its balancing processing requirement, then in display system 5, value is shown, phase place and qualified or overproof judged result, describedly qualifiedly refer to that value, phase place all meet the balance acceptance value, the angle tolerance acceptance value that have arranged, describedly overproofly refer to that value is greater than the balance acceptance value that arranged or phase place exceeds the angle tolerance acceptance value arranged, meanwhile, computer system 41 sends instructions to control execution module 23 to stop motor 12 through Communication Control card 42, now, measures technique first and terminates,
C, subsequent control technique comprise: the rate-determining steps that the rate-determining steps that initial unbalance, meets the demands, initial unbalance, do not meet the demands, the automatic lock machine step of uneven overproof lower machine:
A, the rate-determining steps that initial unbalance, meets the demands refers to: first by tested part 10 times machines, while lower machine, sensor for countering Y, judge sensors X successively through controlling execution module 23, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, actuating signal is fed back into computer system 41 after Communication Control card 42, again by computer system 41 successively through Communication Control card 42, industrial computer I/O interface 43, signal A/D converting system 33, send instruction after electrical measurement I/O interface 32 to work on to control each performance element to controlling execution module 23, simultaneously, qualified for tested part 10 counting is added up, and the raw data of tested part 10 and net result value are stored in the database of computer system 41, then the measurement of next tested part is carried out,
The rate-determining steps that b, initial unbalance, do not meet the demands refers to: first carry out disequilibrium regulating to tested part 10, after correction, again by start button to carry out repetition measurement to tested part 10, the step of repetition measurement is with above-mentioned to measure technique first identical, circulate successively, until the result of repetition measurement meets balancing processing requirement, the rate-determining steps then met the demands by above-mentioned initial unbalance, operates;
C, uneven overproof lower machine automatic lock machine step refers to: the rate-determining steps do not met the demands at above-mentioned initial unbalance, carry out in process, when the amount of unbalance of tested part 10 is overproof, if by tested part 10 times machines, while lower machine, sensor for countering Y, judge sensors X successively through controlling execution module 23, electrical measurement I/O interface 32, signal A/D converting system 33, industrial computer I/O interface 43, actuating signal is fed back into computer system 41 after Communication Control card 42, again by computer system 41 successively through Communication Control card 42, industrial computer I/O interface 43, signal A/D converting system 33, send instruction after electrical measurement I/O interface 32 to quit work to realize lock machine to control each performance element to controlling execution module 23, computer system 41 also quits work simultaneously, after lock machine, the qualified counting of tested part 10 does not add up, the raw data of tested part 10 and net result value are not stored in the database of computer system 41 yet, until after unlocking, this measurement mechanism could recover normal and run,
Describedly measure in technique, subsequent control technique first:
When equivalent value or phase place do not meet balancing processing requirement, in display system 5, the value of display or the numerical value of phase place are yellow, and show yellow NG text prompt;
When equivalent value or phase place meet balancing processing requirement, in display system 5, the value of display or the numerical value of phase place are green, and show viridescent OK text prompt.
The basic mechanical design feature index of above-mentioned dynamic balance measuring device: dynamic balance accuracy :≤0.001g; Unbalance reduction ratio: >=95%.
As from the foregoing, compared with existing dynamic balance measuring device, the present invention has the following advantages and beneficial effect:
1, achieve the automatic lock machine function of the uneven overproof lower machine of tested part: eliminate human factor, stopped uneven overproof part and flowed into next procedure, ensure that the balancing processing quality requirements of each part of balance operation.
2, balance operation tested part balance detection data hold function automatically is in real time achieved: making to balance the data information retrievals such as the initial and result of machine number corresponding to operation, time, operator, tested part becomes possibility, reaches the object of product quality automatic monitoring and trackability.
3, achieve balance operation tested part balance detection data Auto-counting and statistics, quality grade judgement, add up electronic report forms output function: balance detection production process is without the need to quality amount patrol officer and statistician, both cost of human resources had been saved, additionally reduce raw materials consumption, the object of reach management scientification, saving energy and reduce the cost and raising labour productivity.
In addition, the present invention is except having above-mentioned excellent technical performance index, because measurement sensistivity and precision are also high, the balancing processing precision of tested part is improved, and then both reduced vibrations and the noise of whole set equipment, make complete machine smooth running, alleviate again the fatigue wear of part, extend the serviceable life of part and complete machine, ensure that the safety of property; Noise reduction, environmental pollution is also little, and the physical and mental health of personnel have also been obtained guarantee, obtains good social benefit.
Claims (10)
1. the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of imbalance, comprise mechanical part and electric part, described mechanical part comprises main frame body (1), left support mechanism (6) and right support mechanism (7), the top of main frame body (1) is provided with guide rail (11), guide rail (11) and left support mechanism (6), the basal sliding of right support mechanism (7) coordinates, left support mechanism (6), the top of right support mechanism (7) and tested part (10) rotatable engagement, right support mechanism (7) top is provided with driven pulley (13) away from the side of tested part (10), this driven pulley (13) coordinates with motor (12) transmission arranged in main frame body (1), phase detector (P) is corresponding thereto provided with immediately below reference point (131) on driven pulley (13), left support mechanism (6), the sidepiece of right support mechanism (7) is respectively provided with a value sensor (O), described electric part comprises display system (5), it is characterized in that:
Described mechanical part also comprises and judges that sensor (X) and sensor for countering (Y), described electric part also comprise electric-control system (2), electric measuring system (3) and industrial computer system (4);
Described left support mechanism (6) comprises left swing stand (61) and the inner left vibration rocker (62) arranged thereof, left elastic mechanism (63), bottom and the guide rail (11) of left swing stand (61) are slidably matched, the top of left swing stand (61) is connected by the two ends of left elastic mechanism (63) with left vibration rocker (62) bottom, left elastic mechanism (63), the junction of left vibration rocker (62) is connected with value sensor (O) by signal detection mechanism (8), the top of left vibration rocker (62) and the left end rotatable engagement of tested part (10), and sensor for countering (Y) is provided with on left vibration rocker (62),
Described right support mechanism (7) comprises right rocker seat (71) and the inner right vibration rocker (72) arranged thereof, right elastic mechanism (73), bottom and the guide rail (11) of right rocker seat (71) are slidably matched, the top of right rocker seat (71) is connected by the two ends of right elastic mechanism (73) with right vibration rocker (72) bottom, right elastic mechanism (73), the junction of right vibration rocker (72) is connected with value sensor (O) by signal detection mechanism (8), the top of right vibration rocker (72) and the right-hand member rotatable engagement of tested part (10), and be provided with on right vibration rocker (72) and judge sensor (X),
Described electric-control system (2) comprises variable-frequency speed-regulating controller (21), power supply (22) and controls execution module (23); Described electric measuring system (3) comprises the preposition analysis process system of signal (31), electrical measurement I/O interface (32) and signal A/D converting system (33); Described industrial computer system (4) comprises computer system (41), Communication Control card (42) and industrial computer I/O interface (43); Described display system (5) comprises LCD liquid crystal colour display screen and display execution module;
Described value sensor (O), phase detector (P) are connected with computer system (41) signal successively after the preposition analysis process system of signal (31), electrical measurement I/O interface (32), signal A/D converting system (33), industrial computer I/O interface (43), Communication Control card (42);
Described judgement sensor (X), sensor for countering (Y) are connected with computer system (41) signal successively after controlling execution module (23), electrical measurement I/O interface (32), signal A/D converting system (33), industrial computer I/O interface (43), Communication Control card (42).
2. the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance according to claim 1, it is characterized in that: the top of described left vibration rocker (62) is provided with a pair roller (64), an outrigger shaft coordinated with its rolling (101) is shelved with between this pair roller (64), the other end of this outrigger shaft (101) is connected with the left end of tested part (10), outrigger shaft (101), the below of tested part (10) junction is provided with sensor for countering (Y), this sensor for countering (Y) is connected by the middle part of sensor support adjustment seat (9) with left vibration rocker (62) bottom.
3. the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance according to claim 1, it is characterized in that: the top of described right vibration rocker (72) is embedded with collar bush (76), the inner position, center of collar bush (76) is run through and is provided with coaxial transmission main shaft (74), the middle part of transmission main shaft (74) is connected by the inwall of bearing (75) with collar bush (76), the left end of transmission main shaft (74) inserts with the endoporus (102) that tested part (10) right-hand member is arranged and is connected, the right-hand member of transmission main shaft (74) inserts with the middle part of driven pulley (13) and is connected, phase detector (P) is corresponding thereto provided with immediately below reference point (131) on driven pulley (13), this phase detector (P) is connected with the top of right vibration rocker (72), the middle part of right vibration rocker (72) bottom is passed through sensor support adjustment seat (9) and judges that sensor (X) is connected, this judgement sensor (X) is positioned at tested part (10), the below of transmission main shaft (74) junction, and phase detector (P), judge that sensor (X) lays respectively at the both sides of right vibration rocker (72).
4. the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance according to Claims 2 or 3, it is characterized in that: described sensor support adjustment seat (9) is L-type structure, comprise leveling board connected vertically (91) and vertical plate (92), leveling board (91) is provided with circular sensor mounting hole (93), vertical plate (92) is provided with the adjustment seat fixed orifice (94) of kidney ellipsoid.
5. the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance according to claim 1, is characterized in that:
Described signal detection mechanism (8) is arranged at the inside of regulating nail (81);
Described regulating nail (81) comprises interconnective adjuster bar (82) and adjusting head (83), one end of adjuster bar (82) is connected with adjusting head (83), this adjusting head (83) and left elastic mechanism (63), left vibration rocker (62) junction or right elastic mechanism (73), right vibration rocker (72) junction is connected, the outside of adjuster bar (82) other end is inserted with the inside of the upper sensing needle (O1) of value sensor (O) and is coordinated, and inside adjuster bar (82) being positioned at the position of sensing needle (O1) studs with the signal detection mechanism (8) coaxial with sensing needle (O1).
6. the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance according to claim 1, is characterized in that:
Described reference point (131) is a metal bosses structure;
Described tested part (10) is rotary structure, is provided with two stiff ends; Described tested part (10) comprises automobile crane, flywheel, clutch coupling, brake flange, roll, rotor, fan, draught fan impeller, turbine rotor or screw propeller.
7. a using method for the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of imbalance according to claim 1, this using method comprises electromechanical setting successively and demarcates technique, first measurement technique and subsequent control technique, it is characterized in that:
Described subsequent control technique comprises the automatic lock machine step of uneven overproof lower machine; Overproof during described imbalance is overproof refers to that the value of tested part is greater than the balance acceptance value that arranged or phase place exceeds the angle tolerance acceptance value arranged;
A, electromechanical setting and demarcation technique refer to: the total power switch first opening this dynamic balance measuring device, open the electric part in dynamic balance measuring device again, then tune press proof part is mounted and fixed in left support mechanism (6), right support mechanism (7), again system calibrating is carried out to this dynamic balance measuring device, this system calibrating comprise arrange balance acceptance value, angle tolerance acceptance value, then debugging efforts is carried out, after debugging efforts terminates, unload and lower press proof part, now, electromechanical setting and demarcation technique terminate;
B, measure technique first to refer to: first tested part (10) is mounted and fixed on left support mechanism (6), in right support mechanism (7), by start button, amount of unbalance measurement is carried out to tested part (10) again, in measuring process, tested part (10) is by the balancing speed constant speed rotary of setting, in rotary course, value sensor (O), the magnitude signal of the tested part (10) that it surveys by phase detector (P), phase signal is successively through the preposition analysis process system of signal (31), electrical measurement I/O interface (32), signal A/D converting system (33), industrial computer I/O interface (43), computer system (41) is entered after Communication Control card (42), sequential operation is carried out to draw the initial unbalance, of tested part (10) again by computer system (41), this initial unbalance, comprises value and phase place, and judge whether to meet its balancing processing requirement, then in display system (5), value is shown, phase place and qualified or overproof judged result, describedly qualifiedly refer to that value, phase place all meet the balance acceptance value, the angle tolerance acceptance value that have arranged, describedly overproofly refer to that value is greater than the balance acceptance value that arranged or phase place exceeds the angle tolerance acceptance value arranged, meanwhile, computer system (41) sends instructions to control execution module (23) to stop motor (12) through Communication Control card (42), now, measures technique first and terminates,
C, subsequent control technique comprise: the rate-determining steps that the rate-determining steps that initial unbalance, meets the demands, initial unbalance, do not meet the demands, the automatic lock machine step of uneven overproof lower machine:
A, the rate-determining steps that initial unbalance, meets the demands refers to: first by machine under tested part (10), while lower machine, sensor for countering (Y), judge sensor (X) successively through controlling execution module (23), electrical measurement I/O interface (32), signal A/D converting system (33), industrial computer I/O interface (43), after Communication Control card (42), actuating signal is fed back into computer system (41), again by computer system (41) successively through Communication Control card (42), industrial computer I/O interface (43), signal A/D converting system (33), send instruction after electrical measurement I/O interface (32) to work on to control each performance element to controlling execution module (23), simultaneously, tested part (10) qualified counting is added up, and the raw data of tested part (10) and net result value are stored in the database of computer system (41), then the measurement of next tested part is carried out,
The rate-determining steps that b, initial unbalance, do not meet the demands refers to: first carry out disequilibrium regulating to tested part (10), after correction, again by start button to carry out repetition measurement to tested part (10), the step of repetition measurement is with above-mentioned to measure technique first identical, circulate successively, until the result of repetition measurement meets balancing processing requirement, the rate-determining steps then met the demands by above-mentioned initial unbalance, operates;
C, uneven overproof lower machine automatic lock machine step refers to: the rate-determining steps do not met the demands at above-mentioned initial unbalance, carry out in process, when the amount of unbalance of tested part (10) is overproof, if by machine under tested part (10), while lower machine, sensor for countering (Y), judge sensor (X) successively through controlling execution module (23), electrical measurement I/O interface (32), signal A/D converting system (33), industrial computer I/O interface (43), after Communication Control card (42), actuating signal is fed back into computer system (41), again by computer system (41) successively through Communication Control card (42), industrial computer I/O interface (43), signal A/D converting system (33), send instruction after electrical measurement I/O interface (32) to quit work to realize lock machine to control each performance element to controlling execution module (23), computer system (41) also quits work simultaneously, after lock machine, tested part (10) qualified counting does not add up, the raw data of tested part (10) and net result value are not stored in the database of computer system (41) yet, until after unlocking, this measurement mechanism could recover normal and run.
8. the using method of the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance according to claim 7, is characterized in that:
Described electromechanical setting is with in demarcation technique: described debugging efforts refers to: complete setting rated engine speed successively, without test mass test, left test mass is tested, right test mass is tested, clamp compensation test operation.
9. the using method of the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance according to claim 7, is characterized in that:
Described electromechanical setting is with in demarcation technique: the electric part in described unlatching dynamic balance measuring device refers to: open the power supply (22) in electric-control system (2), and starts electric measuring system (3), industrial computer system (4) and display system (5).
10. the using method of the dynamic balance measuring device of the automatic lock machine of the overproof lower machine of a kind of imbalance according to claim 7, is characterized in that: describedly measure in technique, subsequent control technique first:
When equivalent value or phase place do not meet balancing processing requirement, the upper value of display of display system (5) or the numerical value of phase place are yellow;
When equivalent value or phase place meet balancing processing requirement, the upper value of display of display system (5) or the numerical value of phase place are green;
When equivalent value or phase place do not meet balancing processing requirement, the NG text prompt that the upper display of display system (5) is yellow;
When equivalent value, phase place all meet balancing processing requirement, the OK text prompt that the upper display of display system (5) is green.
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