CN103115724B - Online dynamic balance compensation device and method for high-speed motorized spindles - Google Patents
Online dynamic balance compensation device and method for high-speed motorized spindles Download PDFInfo
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- CN103115724B CN103115724B CN201310032953.1A CN201310032953A CN103115724B CN 103115724 B CN103115724 B CN 103115724B CN 201310032953 A CN201310032953 A CN 201310032953A CN 103115724 B CN103115724 B CN 103115724B
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Abstract
The invention relates to the technical field of online dynamic balance of spindles, in particular to online dynamic balance compensation device and method for high-speed motorized spindles. Basically, two compensation devices are used to synthesize an unbalance vector to balance the unbalance vector of a rotor of a motorized spindle. Compared with the prior art, the compensation device is simple in structure and convenient to install. During compensation, the unbalance vector of the rotor is balanced by changing relative positional relation between a balance ring with the unbalance vector and the rotor in the compensation device, weight is not increased or decreased, mass of the rotor is not destroyed, and stoppage is avoided. In addition, elastic elements are added to two sides of the balance ring, so that constant application of external force to the balance ring during compensation is avoided and energy consumption is lowered.
Description
Technical field
The present invention relates to chief axis on-line dynamic poise technical field, particularly relate to a kind of on-line dynamic balancing compensation system and compensation method thereof of high-speed electric main shaft.
Background technology
The rotor of rotating machinery is when rotating, due in machining, the reasons such as the defect of density of material skewness, machining blanks, mismachining tolerance, rigging error or design, all more or less make rotor quality skewness, thus produce the problem of rotor unbalance.And the vibration caused due to rotor unbalance is a kind of phenomenon the most common in rotating machinery vibrating, particularly common to the equipment of High Rotation Speed especially.Although a lot of large rotating machinery all did single rotor balance in manufacturing plant, but the condition carrying out balancing due to on-the-spot service condition and manufacturing plant is different, the reason such as shafting balancing state may fly off due to installation, service condition, wearing and tearing, even parts, thermal deformation changes.According to relevant statistics, what rotating machinery caused equipment failure due to vibration cause is approximately 60% ~ 70%, wherein, causes the ratio lost efficacy to be about 30% because of rotor unbalance.Rotor unbalance causes very large negative effect to the serviceability of electromechanical equipment, is also the major reason of bringing out, aggravating other fault simultaneously.Cause the problem of vibration to become increasingly conspicuous because of rotor unbalance, even become the bottleneck that restriction whole industry product quality, performance improve further in some fields, the importance of dynamic balancing technique also shows further.
In recent years, the fast development of Digital Signal Processing, communication implantation technique, bussing technique, automatic control technology etc., has driven the development that the dynamic balancing technique digitizing of the high-accuracy property of Gao Su Du ﹑, intellectuality, networking are maked rapid progress.Modern rotor dynamic balancing technology can be divided into technique transient equilibrium, spot dynamic balance, on-line dynamic balancing three class usually.Technique transient equilibrium refers to the balance of carrying out on dynamic balancing machine; Spot dynamic balance refers to that rotor is under the condition of real work, utilizes the balancing run that some on-the-spot test and analytical equipment are implemented rotor; On-line dynamic balancing refers under the non-stop-machine state of unit, utilizes a kind of automatic controls to realize the method for the balance to rotor-support-foundation system.
At present, on-line dynamic balancing compensation method is summed up and can be divided into two large classes, and the first kind is set about from quality aspect, directly the center of gravity of rotor is moved on to rotation center by the method increasing the weight of duplicate removal, be referred to as direct-on-line dynamic poise device, comprise spraying process, liquid ejecting method and laser duplicate removal method etc.Equations of The Second Kind adopts the method for power, there is provided contrary with unbalance vector direction, equal-sized power for a long time namely to rotor, when the rotor rotates, its center of gravity is haled to rotation center, be called indirect on-line dynamic balancing device, as adopted electromagnetic bearing method and electromagnetic disc method etc.Above-mentioned first kind method can destroy the quality of rotor, and easily produce new imbalance, efficiency is low.For above-mentioned Equations of The Second Kind method, the effect of disk always by balanced electromagnetic power in operational process, for the rotating machinery of long-time running, energy consumption is large, and complicated in mechanical structure, complex operation, failure rate are high.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of on-line dynamic balancing compensation system of high-speed electric main shaft, for control the described compensation system of two covers control system, adopt two cover described compensation systems and described control system the compensation method of on-line dynamic balancing compensation is carried out to described high-speed electric main shaft.
Described compensation system, comprising:
First inner ring, it is enclosed within the rotor of described electro spindle regularly, with described rotor synchronous axial system;
Second inner ring, it is staggered relative with described first inner ring, and is enclosed within described rotor regularly, with described rotor synchronous axial system;
Gimbal, himself is with a unbalance vector, be enclosed within described first inner ring and the second inner ring, with this inner ring synchronous axial system under the driving of an inner ring wherein, and can move axially along described rotor axis direction under the effect of external force, when moving axially, described gimbal is driven to switch to by one of them inner ring and is driven by another inner ring, whenever described gimbal by one of them inner ring drive switch to is driven by another inner ring time, described gimbal is with regard to relatively described rotor turns angle.
Further, described gimbal both sides are provided with flexible member, and described flexible member is with equal and opposite in direction, and described gimbal compresses to centre by the contrary power in direction, make described gimbal keep being enclosed within described first inner ring and the second inner ring simultaneously.
Described control system, comprising:
Detection module, its dispersion is arranged on the gimbal (being called for short the first gimbal) of compensation system described in first set, the second cover gimbal (being called for short the second gimbal) of described compensation system and described rotor, for detecting the vibration of described rotor, rotating speed and position signalling and described first gimbal, the rotating speed of the second gimbal and position signalling.
Signal processing module, it is connected with described detection module, for carrying out pre-service to the vibration signal of described rotor;
First communication module, it is connected with described detection module;
Control module, it is connected with described first communication module and described signal processing module, for the vibration signal that detects the described rotor received by first communication module in real time and the rotating speed of described rotor, the first gimbal and the second gimbal received by signal processing module and position signalling, and judge whether the oscillation intensity of described rotor exceeds standard according to above-mentioned signal, if and exceed standard, described first gimbal and the second gimbal need to switch the number of times driving inner ring;
Second communication module;
Driver module, it is connected with described control module by described second communication module, the number of times of inner ring is driven to control described first gimbal and the relatively described rotor turns of the second gimbal, to balance the unbalance vector of described rotor for needing to switch according to described first gimbal received by described second communication module and the second gimbal.
Further, described detection module comprises:
Rotor oscillation current vortex sensor, it is arranged on described rotor, for detecting the vibration signal of described rotor;
Described signal processing module comprises:
Signal-regulated kinase, it is connected with described rotor oscillation current vortex sensor, for the vibration signal of described rotor is carried out filtering process;
A/D modular converter, it is connected with described Signal-regulated kinase, for by after filtering process after vibration signal be converted to digital signal.
Further, described detection module comprises:
First gimbal inductance sensor, it is arranged on described first gimbal, for detecting rotating speed and the position signalling of described first gimbal;
Second gimbal inductance sensor, it is arranged on described second gimbal, for detecting rotating speed and the position signalling of described second gimbal;
Rotor reference inductance sensor, it is arranged on described rotor, for detecting rotating speed and the position signalling of described rotor;
Described first communication module comprises one first photoisolator, and it is connected with described first gimbal inductance sensor, the second gimbal inductance sensor and rotor reference inductance sensor.
Further, described control module comprises:
Microcontroller, and the power management module, clock module, host computer, display module, alarm module, the random access memory that are connected with described microcontroller;
Described microcontroller is connected with described A/D modular converter and described first photoisolator, for the vibration signal that detects the described rotor received by described first photoisolator in real time and the rotating speed of described rotor, the first gimbal and the second gimbal received by described A/D conversion module and position signalling, and judge whether the oscillation intensity of described rotor exceeds standard according to above-mentioned signal, if and exceed standard, described first gimbal and the second gimbal need to switch the number of times driving inner ring.
Further, described second communication module comprises one second photoisolator;
Described driver module comprises an air jet system, and described air jet system comprises:
Puff prot on-off control circuit, it is connected with described second photoisolator, jet for controlling following four puff prots according to the order of the described microcontroller received by this second photoisolator, corresponding gimbal is axially moved along described rotor axis, to switch the driving inner ring of corresponding gimbal, finally make the relatively described rotor turns of corresponding gimbal to relevant position, to balance out the unbalance vector of described rotor to the full extent;
First left puff prot, it is arranged on the left of described first gimbal, and is connected with described puff prot on-off control circuit, moves right along described rotor axis for controlling described first gimbal;
First right puff prot, it is arranged on the right side of described first gimbal, and is connected with described puff prot on-off control circuit, is moved to the left along described rotor axis for controlling described first gimbal;
Second left puff prot, it is arranged on the left of described second gimbal, and is connected with described puff prot on-off control circuit, moves right along described rotor axis for controlling described second gimbal;
Second right puff prot, it is arranged on the right side of described second gimbal, and is connected with described puff prot on-off control circuit, is moved to the left along described rotor axis for controlling described second gimbal.
Described compensation method, comprising:
Compensation system installation steps: two covers compensation system as claimed in claim 1 or 2 is arranged on described rotor;
Signal detection step: detection module detects the vibration of described rotor, rotating speed, the rotating speed of position signalling and the first gimbal and the second gimbal and position signalling;
Signal transacting step: according to above-mentioned signal, control module judges whether described rotor oscillation exceeds standard, and if exceed standard, described first gimbal and the second gimbal are that the unbalance vector balancing described rotor needs to switch and drives the number of times of inner ring;
Compensation performs step: driver module regulates number of times described first gimbal of control and the relatively described rotor turns of the second gimbal that drive inner ring to relevant position, to balance the unbalance vector of described rotor according to described first gimbal and the second gimbal needs.
Further, described compensation method also comprises:
Signal Pretreatment step: signal processing module carries out pre-service to the vibration signal of described rotor.
Further, described compensation method also comprises:
Compensation result verification step: whether the oscillation intensity that control module detects described rotor in real time gets back in critical field, as oscillation intensity is got back in critical field, then returns described signal detection step, otherwise, return described signal transacting step.
Basic thought of the present invention is that described compensation system is overlapped in employing two, makes it synthesize a unbalance vector, to balance the unbalance vector of described rotor.Compared with prior art, the compensation system that the embodiment of the present invention provides, structure is simple, easy for installation.In compensation process; by changing in described compensation system the unbalance vector self balancing described rotor with the gimbal of unbalance vector and the relative position relation of described rotor; do not increase the weight of yet not duplicate removal, the quality of described rotor itself can not be destroyed, need not shut down.Meanwhile, add flexible member in described gimbal both sides and make in compensation process, external force need not be applied to described gimbal always, can energy consumption be saved.
Accompanying drawing explanation
Fig. 1: the schematic perspective view when compensation system that the embodiment of the present invention provides is arranged on rotor;
Fig. 2: the front view when compensation system that the embodiment of the present invention provides is arranged on rotor;
Fig. 3: the first inner ring front view that the embodiment of the present invention provides;
Fig. 4: the second inner ring front view that the embodiment of the present invention provides;
Fig. 5: the embodiment of the present invention provides gimbal front view;
Fig. 6: the side view when compensation system that the embodiment of the present invention provides is arranged on rotor;
Fig. 7: the skeleton view 1 when the compensation system that the embodiment of the present invention provides is arranged on rotor;
Fig. 8: the skeleton view 2 when the compensation system that the embodiment of the present invention provides is arranged on rotor;
Fig. 9: front view when two cover compensation systems of the band puff prot that the embodiment of the present invention provides are arranged on rotor; Figure 10: what the embodiment of the present invention provided carries out on-line dynamic balancing schematic diagram by two cover compensation systems to rotor; Figure 11: control system schematic diagram provided by the invention;
Figure 12: the control system schematic diagram that the embodiment of the present invention provides;
Figure 13: the compensation method process flow diagram that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The schematic perspective view when compensation system that Fig. 1 shows the present embodiment to be provided is arranged on rotor.
The front view when compensation system that Fig. 2 shows the present embodiment to be provided is arranged on rotor.
According to Fig. 2, the compensation system that the present embodiment provides, comprising:
First inner ring 31, it is enclosed within the rotor 1 of described electro spindle regularly, with rotor 1 synchronous axial system;
Second inner ring 32; It is staggered relative with the first inner ring 31, and is enclosed within rotor 1 regularly, with rotor 1 synchronous axial system.
Gimbal 2, himself is with a unbalance vector, be enclosed within the first inner ring 31 and the second inner ring 32, with this inner ring synchronous axial system under the driving of an inner ring wherein, and can move axially along rotor 1 axis direction under the effect of external force, when moving axially, gimbal 2 is driven to switch to by one of them inner ring and is driven by another inner ring, whenever gimbal 2 by one of them inner ring drive switch to driven by another inner ring time, gimbal 2 relative rotor 1 rotates an angle.
Further, gimbal 2 both sides are provided with a flexible member 4, and gimbal 2 compresses to centre with the power that equal and opposite in direction, direction are contrary by flexible member 4, makes gimbal 2 keep being enclosed within the first inner ring 31 and the second inner ring 32 simultaneously.
For better understanding the present invention, below the embodiment of the present invention is illustrated:
Fig. 3 and Fig. 4 is respectively the first inner ring 31 and the second inner ring 32 front view, and according to Fig. 3 and Fig. 4, the first inner ring 31 is identical with the second inner ring 32, and is all connected with rotor 1 interference.
Fig. 5 is gimbal 2 front view, according to Fig. 5, gimbal 2 has internal tooth and a circumferential notch, and this circumferential notch provides unbalance vector for gimbal 2.
Fig. 6 is the side view (do not indicate described flexible member 4) of described compensation system when being arranged on rotor 1, and according to Fig. 6, the first inner ring 31 is staggered relative with the second inner ring 32.
Fig. 7 and Fig. 8 is the skeleton view (not indicating flexible member 4) of described compensation system, can find out according to Fig. 7 and Fig. 8, first inner ring 31 and the second inner ring 32 embed in the internal tooth of gimbal 2 simultaneously, when gimbal 2 is moved to the left along the axis direction of rotor 1, gimbal 2 switches to and is driven by the first inner ring 31; When gimbal 2 moves right along rotor 1 axis direction, gimbal 2 switches to and is driven by the second inner ring 32.Whenever gimbal 2 by inner ring drive be switched to driven by another inner ring time, gimbal 2 rotates an angle with regard to relative rotor 1.
It can also be seen that according to Fig. 7 and Fig. 8, after gimbal 2 have switched driving inner ring, get back under the effect of flexible member 4 in the process of initial position, the driving relationship of gimbal 2 and the first inner ring 31 and the second inner ring 32 can't be affected.
According to Fig. 9 and Figure 10, often overlap described compensation system to can be rotor 1 unbalance vector (i.e. gimbal 2 self with unbalance vector) is provided, adopt the described compensation system of two covers to can be rotor 1 and two unbalance vector U1 and U2 are provided, these two unbalance vectors can be formed a resultant vector U ' according to the superposition of Vector modulation rule.When compensation system described in first set gimbal (being called for short the first gimbal 21) and second cover described compensation system gimbal (being called for short the second gimbal 22) relative rotor 1 turns to appropriate location time, the appropriate U ' of described synthesis just can offset the unbalance vector U of rotor 1 to the full extent, the oscillation intensity of rotor 1 is got back in critical field, thus reaches the object of on-line dynamic balancing.
According to Figure 11, the control system for controlling the described compensation system of two covers that the present embodiment provides, comprising:
Detection module 3, it comprises:
First gimbal inductance sensor 31, it is arranged on the first gimbal 21, for detecting rotating speed and the position signalling of the first gimbal 21;
Second gimbal inductance sensor 32, it is arranged on the second gimbal 22, for detecting rotating speed and the position signalling of the second gimbal 22;
Rotor reference inductance sensor 33, it is arranged on rotor 1, for rotating speed and the position signalling of detection rotor 1;
Rotor oscillation current vortex sensor 34, it is arranged on rotor 1, for the vibration signal of detection rotor 1;
Signal processing module 4, it comprises:
Signal-regulated kinase 41, it is connected with rotor oscillation current vortex sensor 34, for the vibration signal of rotor 1 is carried out filtering process;
A/D modular converter 42, it is connected with Signal-regulated kinase 41, for by after filtering process after vibration signal be converted to digital signal;
First communication module 5, it comprises:
First photoisolator 51, it is connected with the first gimbal inductance sensor 31, second gimbal inductance sensor 32, rotor reference inductance sensor 33;
Control module 6, it comprises:
Microcontroller 61, and the power management module 62, clock module 63, host computer 64, display module 65, alarm module 66, the random access memory 67 that are connected with microcontroller 61;
Microcontroller 61 is connected with A/D modular converter 42 and the first photoisolator 51, for rotating speed and the position signalling of the vibration signal and rotor 1, first gimbal 21 received by A/D conversion module 42 and the second gimbal 22 that detect the rotor 1 received by the first photoisolator 51 in real time, and judge whether the oscillation intensity of rotor 1 exceeds standard according to above-mentioned signal, if and exceed standard, the first gimbal 21 and the second gimbal 22 need to switch the number of times driving inner ring;
Second communication module 7, it comprises:
Second photoisolator 71;
Driver module 8, it comprises an air jet system, and described air jet system comprises:
Puff prot on-off control circuit 81, it is connected with the second photoisolator 71, jet for controlling following four puff prots according to the order of the microcontroller 61 received by the second photoisolator 71, corresponding gimbal is axially moved along rotor 1 axle center, to switch the driving inner ring of corresponding gimbal, corresponding gimbal relative rotor 1 is finally made to turn to relevant position, to balance out the unbalance vector of rotor 1 to the full extent;
First left puff prot 82, it is arranged on the left of the first gimbal 21, and is connected with puff prot on-off control circuit 81, moves right along rotor axis for controlling the first gimbal 21;
First right puff prot 84, it is arranged on the right side of the first gimbal 21, and is connected with puff prot on-off control circuit 81, is moved to the left along rotor axis for controlling the first gimbal 21;
Second left puff prot 83, it is arranged on the left of the second gimbal 22, and is connected with puff prot on-off control circuit 81, moves right along rotor axis for controlling the second gimbal 22;
Second right puff prot 85, it is arranged on the right side of the second gimbal 22, and is connected with puff prot on-off control circuit 81, is moved to the left along rotor axis for controlling the second gimbal 22.
The position relationship of above-mentioned 4 puff prots and the first gimbal 21 and the second gimbal 22 can with reference to shown in figure 9.
According to Figure 13, the compensation method of described compensation system and described control system is overlapped in the employing two that the present embodiment provides, and comprising:
Compensation system installation steps: the described compensation system of two covers is installed on rotor 1;
Signal detection step: the vibration signal of the real-time detection rotor 1 of rotor oscillation current vortex sensor 34, and be sent to Signal-regulated kinase 41; The rotating speed of real-time detection rotor 1, first gimbal 21, second gimbal 22 of rotor reference inductance sensor 33, first gimbal inductance sensor 31, second gimbal inductance sensor 32 difference and position signalling, and be sent to photoisolator 51;
Signal Pretreatment step: the vibration signal of Signal-regulated kinase 41 pairs of rotors 1 carries out filtering process,
The vibration signal of filtered rotor 1 is converted to digital signal by A/D modular converter, and is sent to microcontroller 61, and the rotating speed of rotor 1, first gimbal 21, second gimbal 22 and position signalling are sent to microcontroller 61 by photoisolator 51;
Signal transacting step: microcontroller 61 judges whether the vibration of rotor 1 exceeds standard, as do not exceeded standard, then continue to detect, as exceeded standard, then microcontroller 61 calculates the unbalance vector of described rotor 1 according to the vibration of rotor 1, rotating speed and position signalling, again in conjunction with the position signalling of the first gimbal 21 and the second gimbal 22, calculate the first gimbal 21 and the required angle regulated of the second gimbal 22 respectively according to Vector modulation rule, then be converted into the first gimbal 21 and the second gimbal 22 needs to switch the number of times driving inner ring respectively;
Compensate and perform step: it is jet that puff prot on-off control circuit 81 controls following four puff prots according to the order of the microcontroller 61 received by the second photoisolator 71, corresponding gimbal is axially moved along rotor 1 axle center, to switch the driving inner ring of corresponding gimbal, corresponding gimbal relative rotor 1 is finally made to turn to relevant position, to offset the unbalance vector of rotor 1 to the full extent;
Compensation result verification step: the vibration signal of the real-time detection rotor 1 of microcontroller 61, confirms whether the oscillation intensity of rotor 1 gets back in critical field, if get back in critical field, then returns described signal transacting step, otherwise, return described signal transacting step.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an on-line dynamic balancing compensation system for high-speed electric main shaft, is characterized in that, comprising:
First inner ring, it is enclosed within the rotor of described electro spindle regularly, with described rotor synchronous axial system;
Second inner ring, it is staggered relative with described first inner ring, and is enclosed within described rotor regularly, with described rotor synchronous axial system;
Gimbal, himself is with a unbalance vector, be enclosed within described first inner ring and the second inner ring, with this inner ring synchronous axial system under the driving of an inner ring wherein, and can move axially along described rotor axis direction under the effect of external force, when moving axially, described gimbal is driven to switch to by one of them inner ring and is driven by another inner ring, whenever described gimbal by one of them inner ring drive switch to is driven by another inner ring time, described gimbal is with regard to relatively described rotor turns angle.
2. compensation system as claimed in claim 1, it is characterized in that, described gimbal both sides are provided with flexible member, and described flexible member is with equal and opposite in direction, described gimbal compresses to centre by the contrary power in direction, makes described gimbal keep being enclosed within described first inner ring and the second inner ring simultaneously.
3. one kind for controlling the control system of compensation system as claimed in claim 1 or 2, it is characterized in that, described control system is for controlling two covers compensation system as claimed in claim 1 or 2, and the gimbal in the described compensation system of two covers is respectively the first gimbal and the second gimbal; Described control system comprises:
Detection module, its dispersion is arranged on the first gimbal, the second gimbal and described rotor, for detecting the vibration of described rotor, rotating speed and position signalling and described first gimbal, the rotating speed of the second gimbal and position signalling;
Signal processing module, it is connected with described detection module, for carrying out pre-service to the vibration signal of described rotor;
First communication module, it is connected with described detection module;
Control module, it is connected with described first communication module and described signal processing module, for the vibration signal that detects the described rotor received by first communication module in real time and the rotating speed of described rotor, the first gimbal and the second gimbal received by signal processing module and position signalling, and judge whether the oscillation intensity of described rotor exceeds standard according to above-mentioned signal, if and exceed standard, described first gimbal and the second gimbal need to switch the number of times driving inner ring;
Second communication module;
Driver module, it is connected with described control module by described second communication module, the number of times of inner ring is driven to control described first gimbal and the relatively described rotor turns of the second gimbal, to balance the unbalance vector of described rotor for needing to switch according to described first gimbal received by described second communication module and the second gimbal.
4. control system as claimed in claim 3, it is characterized in that, described detection module comprises:
Rotor oscillation current vortex sensor, it is arranged on described rotor, for detecting the vibration signal of described rotor;
Described signal processing module comprises:
Signal-regulated kinase, it is connected with described rotor oscillation current vortex sensor, for the vibration signal of described rotor is carried out filtering process;
A/D modular converter, it is connected with described Signal-regulated kinase, for by after filtering process after vibration signal be converted to digital signal.
5. control system as claimed in claim 3, it is characterized in that, described detection module comprises:
First gimbal inductance sensor, it is arranged on described first gimbal, for detecting rotating speed and the position signalling of described first gimbal;
Second gimbal inductance sensor, it is arranged on described second gimbal, for detecting rotating speed and the position signalling of described second gimbal;
Rotor reference inductance sensor, it is arranged on described rotor, for detecting rotating speed and the position signalling of described rotor;
Described first communication module comprises one first photoisolator, and it is connected with described first gimbal inductance sensor, the second gimbal inductance sensor and rotor reference inductance sensor.
6. control system as claimed in claim 3, it is characterized in that, described control module comprises:
Microcontroller, and the power management module, clock module, host computer, display module, alarm module, the random access memory that are connected with described microcontroller.
7. control system as claimed in claim 6, it is characterized in that, described second communication module comprises one second photoisolator;
Described driver module comprises an air jet system, and described air jet system comprises:
Puff prot on-off control circuit, it is connected with described second photoisolator, jet for controlling following four puff prots according to the order of the described microcontroller received by this second photoisolator, corresponding gimbal is axially moved along described rotor axis, to switch the driving inner ring of corresponding gimbal, finally make the relatively described rotor turns of corresponding gimbal to relevant position, to balance out the unbalance vector of described rotor to the full extent;
First left puff prot, it is arranged on the left of described first gimbal, and is connected with described puff prot on-off control circuit, moves right along described rotor axis for controlling described first gimbal;
First right puff prot, it is arranged on the right side of described first gimbal, and is connected with described puff prot on-off control circuit, is moved to the left along described rotor axis for controlling described first gimbal;
Second left puff prot, it is arranged on the left of described second gimbal, and is connected with described puff prot on-off control circuit, moves right along described rotor axis for controlling described second gimbal;
Second right puff prot, it is arranged on the right side of described second gimbal, and is connected with described puff prot on-off control circuit, is moved to the left along described rotor axis for controlling described second gimbal.
8. adopt a compensation method for the control system in compensation system as claimed in claim 1 or 2 and claim 3 to 7 described in arbitrary claim, it is characterized in that, comprising:
Compensation system installation steps: two covers compensation system as claimed in claim 1 or 2 is arranged on described rotor;
Signal detection step: detection module detects the vibration of described rotor, rotating speed, the rotating speed of position signalling and the first gimbal and the second gimbal and position signalling;
Signal transacting step: according to above-mentioned signal, control module judges whether described rotor oscillation exceeds standard, and if exceed standard, described first gimbal and the second gimbal are that the unbalance vector balancing described rotor needs to switch and drives the number of times of inner ring;
Compensation performs step: driver module regulates number of times described first gimbal of control and the relatively described rotor turns of the second gimbal that drive inner ring to relevant position, to balance the unbalance vector of described rotor according to described first gimbal and the second gimbal needs.
9. compensation method as claimed in claim 8, is characterized in that, also comprise:
Signal Pretreatment step: signal processing module carries out pre-service to the vibration signal of described rotor.
10. compensation method as claimed in claim 8, is characterized in that, also comprise:
Compensation result verification step: whether the oscillation intensity that control module detects described rotor in real time gets back in critical field, as oscillation intensity is got back in critical field, then returns described signal detection step, otherwise, return described signal transacting step.
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| CN201310032953.1A CN103115724B (en) | 2013-01-29 | 2013-01-29 | Online dynamic balance compensation device and method for high-speed motorized spindles |
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| CN201310032953.1A CN103115724B (en) | 2013-01-29 | 2013-01-29 | Online dynamic balance compensation device and method for high-speed motorized spindles |
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| CN103115724B true CN103115724B (en) | 2015-05-20 |
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| CN107478385B (en) | 2015-05-19 | 2020-12-15 | 北京双元天衡检测科技有限公司 | Manufacturing method of weight capable of generating traceable unbalance |
| CN104866677B (en) * | 2015-05-29 | 2017-09-29 | 华中科技大学 | A kind of method that external force loads are balanced in spindle motor of machine tool |
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