CN201776187U - Biaxial self-adapting dynamic balance actuating device for centrifugal machine - Google Patents
Biaxial self-adapting dynamic balance actuating device for centrifugal machine Download PDFInfo
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- CN201776187U CN201776187U CN2010202783304U CN201020278330U CN201776187U CN 201776187 U CN201776187 U CN 201776187U CN 2010202783304 U CN2010202783304 U CN 2010202783304U CN 201020278330 U CN201020278330 U CN 201020278330U CN 201776187 U CN201776187 U CN 201776187U
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Abstract
The utility model provides a biaxial self-adapting dynamic balance actuating device for a centrifugal machine, which comprises dynamic balance actuating units, wherein each dynamic balance actuating unit comprises a base, a guide track, a slider and a transmission mechanism; a dynamic balance mass block is fixedly connected onto the slider; and two adjustment directions of the dynamic balance actuating unit are mutually perpendicular. A collecting device is arranged outside the arm of the centrifugal machine and connected with a processor. The transmission mechanisms of the individual actuating units are controlled by the processor. The utility model has the advantages of achieving the effect of self-adapting dynamic balance adjustment and improving the control accuracy.
Description
Technical field
The utility model relates to a kind of two axial adaptive dynamic balance execution devices that are used for centrifuge.
Technical background
At present, dynamic balancing work to centrifuge rotor is mostly finished on dynamic balancing machine, also some is to come centrifuge rotor is carried out dynamic balancing with dynamic balance technology, but these methods of eliminating unbalancing value all are eliminations or increase a part of quality, implementation procedure is very complicated, the needed time is also very long, and does dynamic balancing on the dynamic balancing machine again as long as the rotating speed of rotor or Mass Distribution change just rotor to be taken.
The utility model content
For overcoming the equilibrium process complexity of prior art, length consuming time, again do dynamically balanced shortcoming on the dynamic balancing machine as long as the rotating speed of rotor or Mass Distribution change just rotor to be taken, the utility model provides a kind of and directly has been installed on the centrifuge, can realize the two axial adaptive dynamic balance execution devices that are used for centrifuge of self adaptation dynamic balancing adjustment when the Mass Distribution of rotor or rotating speed change.
The two axial adaptive dynamic balance execution devices that are used for centrifuge, comprise on the horn that is fixed in centrifuge, respectively along both direction regulate its dynamic balancing mass dynamic balance execution unit and control dynamic balance execution unit implementation controller, described dynamic balance execution unit comprises the base that is fixed on the described horn, be fixed on the guide rail on the described base, the slide block that is slidingly connected with described guide rail and promote described slide block along the reciprocating transmission mechanism of described guide rail be fixed in dynamic balancing mass on the described slide block; Two adjusting directions of described dynamic balance execution unit are vertical;
Described horn is provided with the harvester of the periodic vibration response of the horn that collection causes by amount of unbalance outward, the amplitude that described harvester and can obtain the vibratory response that different aequums causes and phase place and original unbalance and the moving direction of each slide block and the processor of displacement of calculating horn according to described amplitude and phasometer are connected, and described processor is by wireless communication apparatus and described implementation controller communication.
Further, described horn is provided with two dynamic balance execution unit, and the guide rail of two dynamic balance execution unit is vertical mutually.
Perhaps, be evenly distributed with four dynamic balance execution unit on the described horn, the guide rail conllinear of two relative dynamic balance execution unit, the moving direction of slide block are opposite; The guide rail of two adjacent dynamic balance execution unit is vertical mutually.
Further, described harvester comprises on the rotary drive mechanism that is arranged on described horn, the rotating speed of rotary drive mechanism can be converted to the photoelectric encoder of pulse sequence signal, the data collecting card that is connected with described photoelectric encoder is with described data acquisition card connection and respond to the trigger mechanism whether horn vibrates and obtain the vibrating sensor of vibration signal and trigger described data collecting card, make it begin to sample;
With the pulse sequence signal of described photoelectric encoder output external clock signal as data collecting card, with the vibration signal of described vibrating sensor output input signal as data collecting card, the sampled signal that will obtain after will sampling to described vibration signal according to described external clock signal is as the output signal of described data collecting card, and described sampled signal is imported in the described processor.
Further, described vibrating sensor is a current vortex sensor.
Further, described trigger mechanism comprise be fixed on the described horn, with the magnet steel of the guide rail conllinear of arbitrary dynamic balance execution unit and with the Hall switch of described data acquisition card connection, described horn is whenever goed around, described Hall switch and described magnet steel meet once, and the described data collecting card of pulse-triggered that described Hall switch and described magnet steel send when meeting is sampled.
Further, described processor comprises when horn slowly runs, obtain and write down the systematic error logging modle of the mismachining tolerance curve of horn, when the horn operate as normal, obtain and write down first cache module of first vibration signal of horn generation, the slide block of each performance element is moved, and the Executive Module of record slide block moving direction and distance, after obtaining and write down slide block and moving, second cache module of second vibration signal that horn produces, respectively with first, mismachining tolerance in second vibration signal is removed, and the filtering interfering noise signal, obtain the error module of going of the amplitude of vibration signal and phase place, according to first, the quality of the amplitude of second vibration signal and phase place and slide block and displacement, calculate the original unbalance of horn with influence coefficient method, and described original unbalance is converted to the required mobile direction of slide block of each executing agency and the computing module of distance.
Further, described transmission mechanism comprises stepper motor and screw mechanism, and leading screw is connected with the output shaft of described motor, and feed screw nut and described mass are affixed; The both sides of described leading screw are provided with the limit switch of restriction slide block moving range respectively, the two ends of described leading screw are connected with base by supporting base respectively, be provided with bearing between described supporting base and the described screw mandrel, described supporting base is fixed in described base; Described stepper motor is controlled by described implementation controller.
Further, described rotary drive mechanism comprises and the gear mechanism that drives described horn rotation, gear wheel and described horn are affixed, pinion and described gear wheel engaged transmission, pinion and the drive motors interlock that power is provided, described photoelectric encoder is installed in the rotating shaft of described pinion.
Further, described processor is by wireless communication apparatus and described implementation controller communication, and wireless communication apparatus uses RS232 and described processor communication.
Technical conceive of the present utility model is: by dynamic balance execution unit is installed, obtain the adjustment parameter of dynamic balance execution unit by the vibratory response that is caused by amount of unbalance of analyzing horn on horn, make horn reach dynamic balancing.When the rotating speed of horn and Mass Distribution changed, the vibratory response of horn also changed accordingly, and processor will reanalyse, calculate vibratory response, re-move the slide block of dynamic balance execution mechanism, make horn reach dynamic balancing again.
The triggering signal that the utility model uses Hall switch to begin image data as the phase reference and the data collecting card of dynamic balancing measurement.When horn rotated, what Hall switch was exported at ordinary times was high level, when meeting with magnet steel with output low level, so horn is whenever goed around, pulse of Hall switch output, this pulse inputs to capture card, and its rising edge begins the reference signal of image data as data collecting card; During the driving mechanism action, the power of drive motors is through pinion, and gear wheel is passed to horn, thereby horn is rotated; The photoelectric encoder that is connected in the pinion rotating shaft is converted to pulse train output with the rotating speed of pinion rotating shaft, this pulse train inputs to data collecting card, external clock signal as the data collecting card sampling, no matter guarantee horn rotating speed size, horn is whenever goed around, and data collecting card is integer-period sampled
Individual, and the fixed-site of sampled point; Having under the situation of amount of unbalance, horn has periodic vibration, and current vortex sensor is installed in the outside of horn, rely on to detect the vibratory response to unbalancing value that the gap variable quantity of itself and horn is measured horn; The output signal of current vortex sensor inputs to data collecting card, as the input signal of data collecting card; Data collecting card starts after receiving the reference signal pulse, enters the state of preparing sampling, whenever receives an external clock signal pulse afterwards and gathers an input signal, has gathered
Individual back transfers data to computer by usb bus, finishes data acquisition one time.
Because the horn diameter of centrifuge is bigger, circularity after machining can not be fine, horn when rotated, the mismachining tolerance curve of horn is identical with the vibration response curve same frequency and the initial phase of amount of unbalance, so centrifuge before coming into operation, should come out the mismachining tolerance curved measurement of horn and its intrinsic reference record as system be got off; The method that obtains horn mismachining tolerance curve is: horn is changeed under extremely low rotating speed
Change, make the size of the vibration that amount of unbalance causes be almost 0, system is through behind the data acquisition mentioned above, and data collecting card will collect the mismachining tolerance curve of horn, and be transferred to processor.When calculating the amount of unbalance of horn, earlier the mismachining tolerance in the vibration signal is removed, improve the accuracy of control.
The utlity model has and directly be installed on the centrifuge, when the Mass Distribution of rotor or rotating speed change, can realize self adaptation dynamic balancing adjustment, the advantage of precise control.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is that two dynamic balance execution unit are installed on the schematic diagram on the horn.
Fig. 3 is that four dynamic balance execution unit are installed on the schematic diagram on the horn.
Fig. 4 is the cutaway view of dynamic balance execution unit.
Fig. 5 is a control flow chart of the present utility model.
The specific embodiment
Embodiment one
With reference to Fig. 1,2,4,5
Be used to realize the dynamic balance execution device of above-mentioned manner of execution, comprise on the horn 1 that is fixed in centrifuge, regulate the dynamic balance execution unit 2 of its dynamic balancing mass and the implementation controller 7 of control dynamic balance execution unit work along both direction respectively, described dynamic balance execution unit 2 comprises the base 21 that is fixed on the described horn 1, be fixed on the guide rail 22 on the described base 21, the slide block 23 that is slidingly connected with described guide rail 22 and promote described slide block 23 along described guide rail 22 reciprocating transmission mechanisms, on described dynamic balancing the mass 24 affixed and described slide blocks 23, two adjusting directions of described dynamic balance execution unit 2 are vertical; Dynamic balance execution unit 2 is controlled by described implementation controller 7;
Described horn 1 is outer to be provided with the harvester of the periodic vibration response of the horn 1 that collection causes by amount of unbalance, the amplitude that described harvester and can obtain the vibratory response that different aequums causes and phase place and original unbalance and the moving direction of each slide block and the processor 3 of displacement of calculating horn according to described amplitude and phasometer are connected, described processor 3 is by wireless communication apparatus 6 and 7 communications of described implementation controller, and wireless communication apparatus 6 uses RS232 and 3 communications of described processor.
The guide rail 22 that described horn 1 is provided with 2, two dynamic balance execution unit 2 of two dynamic balance execution unit is vertical mutually.
Described harvester comprises on the rotary drive mechanism that is arranged on described horn 1, the rotating speed of rotary drive mechanism can be converted to the photoelectric encoder 41 of pulse sequence signal, the data collecting card 42 that is connected with described photoelectric encoder 41 is connected with described data collecting card 42 and responds to the trigger mechanism whether horn 1 vibrates and obtain the vibrating sensor 43 of vibration signal and trigger described data collecting card 42, make it begin to sample;
With the pulse sequence signal of described photoelectric encoder 41 outputs external clock signal as data collecting card 42, with the vibration signal of described vibrating sensor 43 outputs input signal as data collecting card 42, the sampled signal that will obtain after will sampling to described vibration signal according to described external clock signal is as the output signal of described data collecting card 42, and described sampled signal is imported in the described processor 3.
Described vibrating sensor 43 is a current vortex sensor.
Described trigger mechanism comprise be fixed on the described horn, with the magnet steel 441 and the Hall switch 442 that is connected with described data collecting card 42 of the guide rail conllinear of arbitrary dynamic balance execution unit, described horn 1 is whenever goed around, described Hall switch 442 meets once with described magnet steel 441, and the described data collecting card 42 of pulse-triggered that described Hall switch 442 sends when meeting with described magnet steel 441 is sampled.
Described processor 3 comprises when horn slowly runs, obtain and write down the systematic error logging modle of the mismachining tolerance curve of horn, when horn 1 operate as normal, obtain and write down first cache module of first vibration signal of horn 1 generation, the slide block of each performance element is moved, and the Executive Module of record slide block moving direction and distance, after obtaining and write down slide block 23 and moving, second cache module of second vibration signal that horn 1 produces, respectively with first, mismachining tolerance in second vibration signal is removed, and the noise of filtering vibration signal, obtain the error module of going of the amplitude of vibration signal and phase place, according to first, the quality of the amplitude of second vibration signal and phase place and slide block and displacement, calculate the amount of unbalance of horn with influence coefficient method, and described amount of unbalance is converted to the slide block 23 required mobile directions of each executing agency and the computing module of distance.
Described transmission mechanism comprises stepper motor 251 and screw mechanism, and leading screw 252 is connected with the output shaft of described motor 251, and feed screw nut 253 and described mass 24 are affixed; The both sides of described leading screw 252 are provided with the limit switch 254 of restriction slide block moving range respectively, the two ends of described leading screw are connected with base 21 by supporting base 255 respectively, be provided with bearing 256 between described supporting base 255 and the described screw mandrel 254, described supporting base 255 is fixed in described base 21; Described stepper motor 251 is controlled by described implementation controller.
Described rotary drive mechanism comprises and the gear mechanism that drives described horn 1 rotation, gear wheel 51 and described horn 1 are affixed, pinion 52 and described gear wheel 51 engaged transmission, pinion 52 and the drive motors interlock that power is provided, described photoelectric encoder 41 is installed in the rotating shaft 53 of described pinion 52.
The execution in step of processor is as follows:
(1), the dynamic balance execution unit regulate its dynamic balancing mass respectively along both direction is installed on the horn of centrifuge, two to regulate directions vertical mutually;
(2), the current rotating speed that will drive the driving mechanism of horn rotation converts pulse sequence signal to, guarantees that horn whenever goes around, no matter horn rotating speed height, the umber of pulse in the pulse train is the same, the described pulse sequence signal of real time record;
(3), on horn, set a mark, make horn whenever go around, mark sends a pulse signal, and the position of mark is on a slide block moving direction; And stipulate that the centre of gyration with horn is an initial point, the line of described mark and described initial point is
Axle, the direction from described initial point to described mark is
To, and find according to the right-hand rule
The axle and
To;
(4), centrifuge before coming into operation, need obtain the mismachining tolerance curve of horn, and described mismachining tolerance curve is preserved as systematic error; Horn is changeed under extremely low rotating speed
Change, make the size of the vibration that unbalancing value causes be almost 0, with the external clock signal of current pulse sequence signal as data collecting card, the pulse signal that sends with mark is as the triggering signal of data collecting card, described horn mismachining tolerance curve is carried out integer-period sampled, the revolution that the sampling horn rotates is
, rotor is whenever goed around, and data collecting card is integer-period sampled
Individual, acquisition causes the mismachining tolerance curve of horn
(
), write down described mismachining tolerance curve;
(5), make centrifuge treating in normal operating conditions, obtain first vibration signal that the amount of unbalance of horn causes, with the external clock signal of current pulse sequence signal as data collecting card, the pulse of sending with mark is as the triggering signal of data collecting card, to described first vibration signal sampling, the same in the revolution that the sampling horn rotates and the sampling number of revolution and the step (4), be respectively
With
, obtain first vibration response curve
(
); Remove the mismachining tolerance in first vibration response curve
(
),
Amplitude and phase place that utilization is eliminated interfering signal and obtained first vibration response curve from motion tracking correlation filtering method are respectively:
Move the slide block of each dynamic balance execution unit, and write down the displacement that two slide block moving direction top shoes move and be respectively (6), respectively
,
If wherein displacement moves to positive direction for just representing, for negative indication moves to negative direction;
Obtain second vibration signal that the current amount of unbalance of horn causes, with the external clock signal of current pulse sequence signal as data collecting card, described second vibration signal is sampled as the triggering signal of data collecting card with the pulse that mark sends, the same in the revolution that the sampling horn rotates and the sampling number of revolution and the step (4), be respectively
With
, obtain second vibration response curve
(
); Remove the mismachining tolerance in second vibration response curve
(
), utilize amplitude and the phase place eliminating interfering signal and obtain second vibration response curve from the motion tracking correlation filtering to be respectively:
(7), the amplitude and the phase place of first, second vibration response curve of drawing according to step (5) and step (6), and the moving direction of each slide block and displacement, use influence coefficient method to calculate the original unbalance of horn:
According to described original unbalance, and get its being projected as on two slide block moving directions respectively
,
, promptly
, being derived as direction and distance that the slide block that makes centrifuge reach dynamic balancing, each dynamic balance execution mechanism need move, computing formula is as follows:
Wherein
For just represent to
Direction moves, for negative indication to
Direction moves,
For just represent to
Direction moves, for negative indication to
Direction moves;
x,
yBe two displacements that slide block moves in the step (6);
mBe the movable part quality, movable part comprises slide block, feed screw nut, dynamic balancing mass and connects the bolt and nut of usefulness;
(8), make the slide block of each dynamic balance execution mechanism move to the position of requirement; Obtain the current vibratory response of centrifuge, judge whether current vibration is in the vibration allowed band, if, the position that then keeps each slide block; If not, then return step (5).
Further, in the step (8), before moving slider, judge whether slide block can be moved to outside the guide rail earlier: if then send warning, and prompting can't be finished dynamic balancing; If not, moving slider then.
Technical conceive of the present utility model is: by dynamic balance execution unit 2 is installed, obtain the adjustment parameter of dynamic balance execution unit 2 by the vibratory response that is caused by amount of unbalance of analyzing horn 1 on horn, make horn 1 reach dynamic balancing.When the rotating speed of horn 1 and Mass Distribution changed, the vibratory response of horn 1 also changed accordingly, and processor 3 will reanalyse, calculate vibratory response, re-move the slide block 23 of dynamic balance execution mechanism 2, make horn 1 reach dynamic balancing again.
The triggering signal that the utility model uses Hall switch to begin image data as the phase reference and the data collecting card of dynamic balancing measurement.When horn rotated, what Hall switch was exported at ordinary times was high level, when meeting with magnet steel with output low level, so horn is whenever goed around, pulse of Hall switch output, this pulse inputs to capture card, and its rising edge begins the reference signal of image data as data collecting card; During the driving mechanism action, the power of drive motors is through pinion, and gear wheel is passed to horn, thereby horn is rotated; The photoelectric encoder that is connected in the pinion rotating shaft is converted to pulse train output with the rotating speed of pinion rotating shaft, this pulse train inputs to data collecting card, external clock signal as the data collecting card sampling, no matter guarantee horn rotating speed size, horn is whenever goed around, and data collecting card is integer-period sampled
Individual, and the fixed-site of sampled point.Having under the situation of unbalancing value, horn has periodic vibration, and current vortex sensor is installed in the outside of horn, rely on to detect the vibratory response to unbalancing value that the gap variable quantity of itself and horn is measured horn; The output signal of current vortex sensor inputs to data collecting card, as the input signal of data collecting card; Data collecting card starts after receiving the reference signal pulse, enters the state of preparing sampling, whenever receives an external clock signal pulse afterwards and gathers an input signal, has gathered
Individual back transfers data to computer by usb bus, finishes data acquisition one time.
Because the horn diameter of centrifuge is bigger, circularity after machining can not be fine, horn when rotated, the mismachining tolerance curve of horn is identical with the vibration response curve same frequency and the initial phase of unbalancing value, so centrifuge before coming into operation, should come out the mismachining tolerance curved measurement of horn and its intrinsic reference record as system be got off; The method that obtains horn mismachining tolerance curve is: be that horn changes under extremely low rotating speed
Change, make the size of unbalancing value be almost 0, system is through behind the data acquisition mentioned above, and capture card will collect the mismachining tolerance curve of horn, and be transferred to processor.When calculating the amount of unbalance of horn, earlier the mismachining tolerance in the vibration signal is removed, improve the accuracy of control.
Data collecting card is all gathered pivoted arm at every turn
The signal of individual turn over, horn mismachining tolerance curve is
(
), first vibration signal is
(
), second vibration signal
(
), the guide rail direction of two dynamic balance execution unit is respectively
,
Direction, and set slide block and outwards move and be forward moves inward and is negative sense, and mobile part quality is
, movable part comprises slide block, feed screw nut, dynamic balancing mass and connects the bolt and nut of usefulness.
(1) eliminate mismachining tolerance, obtain because the vibration signal that amount of unbalance causes:
(2) use from the motion tracking correlation filtering and eliminate interfering signal and obtain the vibration amplitude and the phase place of first vibration signal of horn:
If the expression formula of first vibration signal is
(
), wherein
Be unbalanced signal,
Be interfering noise signal;
If
,
(
)
Right
,
From
Summation:
Right
, wherein
, under abundant situation of sampling period
,
Right
, wherein
, under abundant situation of sampling period
,
So
,
So
,
So the vibration amplitude and the phase place of first vibration signal are respectively
Similarly, use vibration amplitude and the phase place of eliminating interfering signal and obtaining second vibration signal of horn from the motion tracking correlation filtering mentioned above to be respectively:
(3) use influence coefficient method to calculate the amount of unbalance of horn:
Can be write first, second vibration signal as vector form:
If the amount of unbalance of horn is when initial
, corresponding vibration response signal is first vibration signal
, if amount of unbalance to the influence coefficient of vibratory response is
, then
The slide block moving displacement of dynamic balance execution unit
((wherein
For
Slide block displacement on the axle,
For
Slide block displacement on the axle,
x,
yMove to positive direction for just representing, for negative indication moves to negative direction),
Be the movable part quality, movable part comprises slide block, feed screw nut, dynamic balancing mass and connects the bolt and nut of usefulness, then what move the generation amount of unbalance owing to slide block is
, keep test speed constant, then Ci Shi vibration response signal is second vibration signal:
(2)
Can get by (1) and (2)
So can get original unbalance by (1) and (3) is:
(4) displacement and the direction of two stepper motors of calculating;
If initial unbalance,
The axle and
Component on the axle is respectively
,
, then the initial unbalance, vector can be converted into plural form:
Then
Direction and
The distance that slide block on the direction need move is respectively
,
, and
，
Result of calculation on the occasion of the time represent to move to the positive direction of corresponding coordinate axle, represent during for negative value to move to the negative direction of corresponding coordinate axle.
Embodiment two
With reference to Fig. 1,3,4,5
The difference part of present embodiment and embodiment one is: be evenly distributed with four dynamic balance execution unit on the described horn, the guide rail conllinear of two relative dynamic balance execution unit, the moving direction of slide block are opposite; The guide rail of two adjacent dynamic balance execution unit is vertical mutually.All the other are identical with embodiment one.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (9)
1. the two axial adaptive dynamic balance execution devices that are used for centrifuge, comprise on the horn that is fixed in centrifuge, respectively along both direction regulate its dynamic balancing mass dynamic balance execution unit and control dynamic balance execution unit implementation controller, described dynamic balance execution unit comprises the base that is fixed on the described horn, be fixed on the guide rail on the described base, the slide block that is slidingly connected with described guide rail and promote described slide block along the reciprocating transmission mechanism of described guide rail be fixed in dynamic balancing mass on the described slide block; Two adjusting directions of described dynamic balance execution unit are vertical;
Described horn is provided with the harvester of the periodic vibration response of the horn that collection causes by amount of unbalance outward, the amplitude that described harvester and can obtain the vibratory response that different aequums causes and phase place and original unbalance and the moving direction of each slide block and the processor of displacement of calculating horn according to described amplitude and phasometer are connected, and described processor is by wireless communication apparatus and described implementation controller communication.
2. dynamic balance execution device as claimed in claim 1 is characterized in that: described horn is provided with two dynamic balance execution unit, and the guide rail of two dynamic balance execution unit is vertical mutually.
3. dynamic balance execution device as claimed in claim 1 is characterized in that: be evenly distributed with four dynamic balance execution unit on the described horn, the guide rail conllinear of two relative dynamic balance execution unit, the moving direction of slide block are opposite; The guide rail of two adjacent dynamic balance execution unit is vertical mutually.
4. as claim 2 or 3 described dynamic balance execution devices, it is characterized in that: described harvester comprises on the rotary drive mechanism that is arranged on described horn, the rotating speed of rotary drive mechanism can be converted to the photoelectric encoder of pulse sequence signal, the data collecting card that is connected with described photoelectric encoder is with described data acquisition card connection and respond to the trigger mechanism whether horn vibrates and obtain the vibrating sensor of vibration signal and trigger described data collecting card, make it begin to sample;
With the pulse sequence signal of described photoelectric encoder output external clock signal as data collecting card, with the vibration signal of described vibrating sensor output input signal as data collecting card, the sampled signal that will obtain after will sampling to described vibration signal according to described external clock signal is as the output signal of described data collecting card, and described sampled signal is imported in the described processor.
5. dynamic balance execution device as claimed in claim 4 is characterized in that: described vibrating sensor is a current vortex sensor.
6. dynamic balance execution device as claimed in claim 5, it is characterized in that: described trigger mechanism comprise be fixed on the described horn, with the magnet steel of the guide rail conllinear of arbitrary dynamic balance execution unit and with the Hall switch of described data acquisition card connection, described horn is whenever goed around, described Hall switch and described magnet steel meet once, and the described data collecting card of pulse-triggered that described Hall switch and described magnet steel send when meeting is sampled.
7. dynamic balance execution device as claimed in claim 6, it is characterized in that: described processor comprises when horn slowly runs, obtain and write down the systematic error logging modle of the mismachining tolerance curve of horn, when the horn operate as normal, obtain and write down first cache module of first vibration signal of horn generation, the slide block of each performance element is moved, and the Executive Module of record slide block moving direction and distance, after obtaining and write down slide block and moving, second cache module of second vibration signal that horn produces, respectively with first, mismachining tolerance in second vibration signal is removed, and the filtering interfering noise signal, obtain the error module of going of the amplitude of vibration signal and phase place, according to first, the quality of the amplitude of second vibration signal and phase place and slide block and displacement, calculate the original unbalance of horn with influence coefficient method, and described original unbalance is converted to the required mobile direction of slide block of each executing agency and the computing module of distance.
8. dynamic balance execution device as claimed in claim 7 is characterized in that: described transmission mechanism comprises stepper motor and screw mechanism, and leading screw is connected with the output shaft of described motor, and feed screw nut and described mass are affixed; The both sides of described leading screw are provided with the limit switch of restriction slide block moving range respectively, the two ends of described leading screw are connected with base by supporting base respectively, be provided with bearing between described supporting base and the described screw mandrel, described supporting base is fixed in described base; Described stepper motor is controlled by described implementation controller.
9. dynamic balance execution device as claimed in claim 8, it is characterized in that: described rotary drive mechanism comprises and the gear mechanism that drives described horn rotation, gear wheel and described horn are affixed, pinion and described gear wheel engaged transmission, pinion and the drive motors interlock that power is provided, described photoelectric encoder is installed in the rotating shaft of described pinion.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912825A (en) * | 2010-08-02 | 2010-12-15 | 浙江大学 | Two-axial adaptive dynamic balance execution device for centrifuge |
| CN104122036A (en) * | 2014-08-01 | 2014-10-29 | 中国工程物理研究院总体工程研究所 | Static-dynamic balance monitoring device for routine test centrifugal machine |
| CN105080734A (en) * | 2015-09-15 | 2015-11-25 | 中国工程物理研究院总体工程研究所 | Novel centrifugal machine static balancing device |
| CN107694771A (en) * | 2017-11-14 | 2018-02-16 | 中国工程物理研究院总体工程研究所 | A kind of geotechnical centrifuge gravity-center adjustable counter weight device |
| US10000913B2 (en) | 2012-07-27 | 2018-06-19 | Kohler Co. | Magnetic docking faucet |
| CN111912565A (en) * | 2020-08-17 | 2020-11-10 | 国为(南京)软件科技有限公司 | Dynamic balance rotary driving assembly |
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2010
- 2010-08-02 CN CN2010202783304U patent/CN201776187U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912825A (en) * | 2010-08-02 | 2010-12-15 | 浙江大学 | Two-axial adaptive dynamic balance execution device for centrifuge |
| US10000913B2 (en) | 2012-07-27 | 2018-06-19 | Kohler Co. | Magnetic docking faucet |
| CN104122036A (en) * | 2014-08-01 | 2014-10-29 | 中国工程物理研究院总体工程研究所 | Static-dynamic balance monitoring device for routine test centrifugal machine |
| CN104122036B (en) * | 2014-08-01 | 2016-06-08 | 中国工程物理研究院总体工程研究所 | Routine test centrifuge stationary-mobile state balance monitoring device |
| CN105080734A (en) * | 2015-09-15 | 2015-11-25 | 中国工程物理研究院总体工程研究所 | Novel centrifugal machine static balancing device |
| CN105080734B (en) * | 2015-09-15 | 2017-07-04 | 中国工程物理研究院总体工程研究所 | A kind of centrifuge static state balancing device |
| CN107694771A (en) * | 2017-11-14 | 2018-02-16 | 中国工程物理研究院总体工程研究所 | A kind of geotechnical centrifuge gravity-center adjustable counter weight device |
| CN107694771B (en) * | 2017-11-14 | 2024-05-10 | 中国工程物理研究院总体工程研究所 | Adjustable gravity center counterweight device of geotechnical centrifuge |
| CN111912565A (en) * | 2020-08-17 | 2020-11-10 | 国为(南京)软件科技有限公司 | Dynamic balance rotary driving assembly |
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