CN105890843A - Dynamic balance method and dynamic balance device - Google Patents
Dynamic balance method and dynamic balance device Download PDFInfo
- Publication number
- CN105890843A CN105890843A CN201610239172.3A CN201610239172A CN105890843A CN 105890843 A CN105890843 A CN 105890843A CN 201610239172 A CN201610239172 A CN 201610239172A CN 105890843 A CN105890843 A CN 105890843A
- Authority
- CN
- China
- Prior art keywords
- angle
- measurement
- initial
- weight
- vector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005259 measurement Methods 0.000 claims abstract description 160
- 238000012937 correction Methods 0.000 claims abstract description 79
- 238000012360 testing method Methods 0.000 claims description 122
- 239000013598 vector Substances 0.000 claims description 120
- 238000004364 calculation method Methods 0.000 claims description 44
- 238000010586 diagram Methods 0.000 claims description 15
- 230000002194 synthesizing effect Effects 0.000 claims description 13
- 230000004044 response Effects 0.000 description 39
- 238000000354 decomposition reaction Methods 0.000 description 6
- 241001522301 Apogonichthyoides nigripinnis Species 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/30—Compensating imbalance
- G01M1/32—Compensating imbalance by adding material to the body to be tested, e.g. by correcting-weights
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/30—Compensating imbalance
- G01M1/36—Compensating imbalance by adjusting position of masses built-in the body to be tested
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to the mechanical vibration adjusting field, and discloses a dynamic balance method and a dynamic balance device. The dynamic balance method is characterized in that during the operation of the device, initial measurement can be carried out, and then an initial vibration amplitude measured by a sensor and an initial measurement angle measured by a phase meter can be acquired; during the operation of the device after being additionally provided with a trial weight, trial weight measurement can be carried out to acquire an trial weight vibration amplitude measured by the sensor and the trial weight measurement angle measured by the phase meter; a correction weight and an corresponding angle can be acquired according to the initial vibration amplitude, the initial measurement angle, the trial weight vibration amplitude, the trial weight measurement angle, the included angle between the sensor and the phase meter, the trial weight quality and the corresponding angle, and then the dynamic balance of the device can be carried out. The special device is not required, and the dynamic balance operation costs can be reduced. The dynamic balance method and the dynamic balance device can be used in the terminal device, and the convenience of the on-site operation can be improved.
Description
Technical Field
The invention relates to the field of mechanical vibration adjustment, in particular to a dynamic balance method and a dynamic balance device.
Background
In the vibration adjustment process of the rotary mechanical equipment, the exciting force of the rotating shaft can be reduced through field dynamic balance operation, so that most vibration faults can be directly or indirectly solved. The more common method is to obtain a proof mass and a corresponding angle for dynamic balance according to the vibration amplitude and the corresponding angle, and then place a mass block conforming to the proof mass at a position determined by the corresponding angle, thereby achieving dynamic balance.
The prior art has a problem in that a special instrument is required to measure to determine the calibration mass and the corresponding angle, and the special instrument is large in size and expensive, thereby increasing the cost of the dynamic balancing operation and causing inconvenience to the actual operation.
Disclosure of Invention
The present invention aims to provide a dynamic balancing method and apparatus for solving the above technical problems, at least in part.
In order to achieve the above object, the present invention provides a dynamic balancing method, including:
when the equipment runs, carrying out initial measurement to obtain an initial vibration amplitude measured by the sensor and an initial measurement angle measured by the phase meter;
when the test weight is added into the equipment and then the equipment runs, test weight measurement is carried out, and test weight vibration amplitude obtained by measurement of the sensor and test weight measurement angle obtained by measurement of the phase meter are obtained;
and obtaining a correction mass and a corresponding angle according to the initial vibration amplitude, the initial measurement angle, the test weight vibration amplitude, the test weight measurement angle, the included angle between the sensor and the phase meter, the test weight mass and the corresponding angle so as to dynamically balance the equipment.
Preferably, the obtaining of the correction mass and the corresponding angle according to the initial vibration amplitude, the initial measurement angle, the trial weight vibration amplitude, the trial weight measurement angle, the included angle between the sensor and the phase meter, and the trial weight mass and the corresponding angle includes: obtaining an initial vibration vector according to the initial vibration amplitude, the initial measurement angle and an included angle between the sensor and the phase meter during initial measurement; obtaining a test weight vibration vector according to the test weight vibration amplitude, the test weight measurement angle and an included angle between the sensor and the phase meter during test weight measurement; obtaining a test weight quality vector according to the test weight quality and the corresponding angle; and calculating according to the initial vibration vector, the trial weight vibration vector and the trial weight mass vector to obtain the correction mass and the corresponding angle.
Preferably, the calculating the correction quality and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight quality vector includes: and calculating the correction mass and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight mass vector by using a single-sided dynamic balance algorithm, a double-sided dynamic balance algorithm or a harmonic component balance algorithm.
Preferably, the method further comprises: calculating to obtain estimated trial weight quality according to the input parameters by using a trial weight quality estimation algorithm; and obtaining an estimated trial weight quality corresponding angle according to the initial measurement angle, the included angle between the sensor and the phase meter during initial measurement and the input estimated lag angle.
Preferably, the method further comprises: and synthesizing and/or decomposing the input mass vector and/or vibration vector, and displaying the result obtained by synthesizing and/or decomposing in a quartering circle target center diagram.
According to another aspect of the present invention, there is also disclosed a dynamic balancing apparatus, comprising:
the acquisition module is used for acquiring initial vibration amplitude obtained by measurement of the sensor and an initial measurement angle obtained by measurement of the phase meter when the equipment runs and performs initial measurement; when the test weight measurement is carried out after the test weight mass is added into the equipment, the test weight vibration amplitude obtained by the measurement of the sensor and the test weight measurement angle obtained by the measurement of the phase meter are obtained;
and the calculation module is used for obtaining a correction mass and a corresponding angle according to the initial vibration amplitude, the initial measurement angle, the test weight vibration amplitude, the test weight measurement angle, the included angle between the sensor and the phase meter, the test weight mass and the corresponding angle so as to perform dynamic balance on the equipment.
Preferably, the calculation module comprises: the initial vibration calculation submodule is used for obtaining an initial vibration vector according to the initial vibration amplitude, the initial measurement angle and an included angle between the sensor and the phase meter during initial measurement; the test weight vibration calculation submodule is used for obtaining a test weight vibration vector according to the test weight vibration amplitude, the test weight measurement angle and an included angle between the sensor and the phase meter during test weight measurement; the trial weight quality calculation submodule is used for obtaining a trial weight quality vector according to the trial weight quality and the corresponding angle; and the correction quality calculation submodule is used for calculating the correction quality and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight quality vector.
Preferably, the calibration mass calculation submodule is configured to calculate the calibration mass and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight mass vector by using a single-sided dynamic balance algorithm, a double-sided dynamic balance algorithm or a harmonic component balance algorithm.
Preferably, the apparatus further comprises: the estimation module is used for calculating the estimated trial weight quality according to the input parameters by using a trial weight quality estimation algorithm; and obtaining an estimated test weight quality corresponding angle according to the initial measurement angle, the included angle between the sensor and the phase meter during initial measurement and the input estimated lag angle.
Preferably, the calculation module further comprises: and the vector calculation submodule is used for synthesizing and/or decomposing the input mass vector and/or vibration vector and displaying the result obtained by synthesizing and/or decomposing in a quartering circle target center diagram.
By the technical scheme, when the equipment runs, initial measurement is carried out, and the initial vibration amplitude obtained by measurement of the sensor and the initial measurement angle obtained by measurement of the phase meter are obtained; when the test weight is added into the equipment and then the equipment runs, test weight measurement is carried out, and test weight vibration amplitude obtained by measurement of the sensor and test weight measurement angle obtained by measurement of the phase meter are obtained; and obtaining a correction mass and a corresponding angle according to the initial vibration amplitude, the initial measurement angle, the test weight vibration amplitude, the test weight measurement angle, the included angle between the sensor and the phase meter, the test weight mass and the corresponding angle so as to dynamically balance the equipment. Through above-mentioned technical scheme, utilize the measuring result of sensor and phaser alright in order to reacing the trial weight quality and corresponding angle, so, can avoid using special instrument, reduced dynamic balance operating cost. In addition, the technical scheme can be realized in terminal equipment such as a mobile phone, a tablet personal computer and the like, and the convenience of field operation is improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a dynamic balancing method according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a single-sided dynamic balancing scenario according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a main menu interface according to one embodiment of the present invention;
FIG. 4 is a schematic view of a vibration measurement interface according to an embodiment of the present invention;
FIG. 5 is a schematic illustration of an interface for initial measurements according to an embodiment of the invention;
FIG. 6 is a schematic diagram of an interface for initial measurements according to one embodiment of the invention;
FIG. 7 is a schematic illustration of a single sided dynamic balancing interface according to an embodiment of the invention;
FIG. 8 is a graphical representation of the results of calculations for a single sided dynamic balancing interface in accordance with one embodiment of the present invention;
FIG. 9 is a schematic diagram of a scenario for bilateral dynamic balancing or harmonic component balancing according to an embodiment of the present invention;
FIG. 10 is a schematic illustration of a double-sided dynamically-balanced interface according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of an interface for harmonic component dynamic balancing according to an embodiment of the present invention;
FIG. 12 is a schematic diagram of an interface for estimating trial weights, according to an embodiment of the invention;
FIG. 13 is a schematic diagram of an interface for vector calculation according to an embodiment of the invention; and
fig. 14 is a structural view of a dynamic balancing apparatus according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a flowchart of a dynamic balancing method according to an embodiment of the present invention, which can be executed in a terminal device, such as a mobile phone, a tablet computer, and the like. As shown in fig. 1, the method includes the following steps.
In step S110, when the apparatus is operated, initial measurement is performed, an initial vibration amplitude measured by the sensor is obtained, and an initial measurement angle measured by the phase meter is obtained.
In step S120, when the apparatus runs after adding the test weight mass, test weight measurement is performed to obtain a test weight vibration amplitude measured by the sensor, and a test weight measurement angle measured by the phase meter.
In step S130, a calibration mass and a corresponding angle are obtained according to the initial vibration amplitude, the initial measurement angle, the trial weight vibration amplitude, the trial weight measurement angle, the included angle between the sensor and the phase meter, and the trial weight mass and the corresponding angle, so as to dynamically balance the equipment.
In an embodiment, the obtaining the calibration quality and the corresponding angle according to the initial vibration amplitude, the initial measurement angle, the trial weight vibration amplitude, the trial weight measurement angle, the included angle between the sensor and the phase meter, and the trial weight quality and the corresponding angle includes: obtaining an initial vibration vector according to the initial vibration amplitude, the initial measurement angle and an included angle between the sensor and the phase meter during initial measurement; obtaining a test weight vibration vector according to the test weight vibration amplitude, the test weight measurement angle and an included angle between the sensor and the phase meter during test weight measurement; obtaining a test weight quality vector according to the test weight quality and the corresponding angle; and calculating according to the initial vibration vector, the trial weight vibration vector and the trial weight mass vector to obtain the correction mass and the corresponding angle.
Further, the calculating the correction quality and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight quality vector includes: and calculating the correction mass and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight mass vector by using a single-sided dynamic balance algorithm, a double-sided dynamic balance algorithm or a harmonic component balance algorithm.
Fig. 2 shows a schematic view of a single-sided dynamic balancing scenario according to an embodiment of the invention. The mobile phone 210 is provided with a device for executing the method of the invention, the mobile phone 210 is connected with a sensor 220, the sensor 220 is preferably an acceleration vibration sensor, and the output end of a data cable conforms to, but is not limited to, the Micro-USB communication specification of a mobile phone data interface. The handset 210 is connected to a phase meter 230, preferably a wireless phase meter, and the data communication protocol includes, but is not limited to, FM (frequency modulation), bluetooth (bluetooth), or WIFI (wireless local area network). The phase meter 230 may also be a wired phase meter, and the output end of the data cable conforms to, but is not limited to, the CTIA communication specification of the handset earphone data interface.
As shown in fig. 3, the options of the device main menu in the mobile phone include: vibration measurement, vector calculation, estimation test weight, single-plane dynamic balance, double-plane dynamic balance, harmonic component dynamic balance and quit. Clicking the "vibration measurement" option enters the vibration measurement interface as shown in fig. 4, which contains the text "vibration measurement", "acceleration measurement □ mm/s 2", "speed measurement □ mm/s", "effective speed value □ mm/s", "amplitude measurement □ mm/s", "power frequency amplitude □ @ □", "power frequency vibration velocity □ @ □", and the buttons "start measurement", "record file", "data clear", "return to home page". Wherein '□' is dynamic text, and when the 'begin measure' button is clicked, the value is automatically assigned according to measurement or calculation; clicking the record file can store the current scene interface; clicking "data clear" may clear all data in "□"; clicking the "return to home" link returns to the main menu. In the present disclosure, before @ denotes that a vector corresponds to a magnitude, and after @ denotes that a vector corresponds to an angle, unless otherwise specified.
In the present embodiment, the "start measurement" button is clicked on the "vibration measurement" interface to perform initial measurement, and the parametric values of the initial measurement obtained by the sensor 220 and the phase meter 230 are obtained. As shown in fig. 5, the power frequency amplitude of the vertical vibration of the force bearing side of the wind turbine is measured to be 0.755@15, which means that the initial vibration amplitude measured by the sensor 220 is 0.755mm, and the initial measurement angle measured by the phase meter 230 is 15 °. The unit of measured value can be uniformly converted into micrometer, and the initial measuring vector can be recorded755 μm ∠ 15 degrees, whether converted or not, to ensure the unity of the units during calculation, and the result is consistent.
And then, carrying out test weight measurement, stopping the fan, additionally arranging a mass block in a balance groove of a fan impeller wheel disc, wherein the mass block corresponds to 500g of test weight, the corresponding angle is 60 degrees, the test weight mass vector is 500g ∠ 60 degrees, and the angle is 60 degrees of reverse direction measurement by taking the cursor paper as a zero point when the fan is seen from the driving end motor to the driven end fan in the general industry standard.And adding a bearing box for oiling, synchronously running in a trial mode, reversely rotating the sensor 220 to be obliquely placed at 45 degrees, and starting the rotary machine again. Entering the "vibration measurement" interface, clicking the "start measurement" button to obtain the parametric values measured by the sensor 220 and the phase meter 230. As shown in fig. 6, the power frequency amplitude of the oblique vibration of the force bearing side of the fan is measured to be 0.380mm @207, which means that the test weight vibration amplitude measured by the sensor 220 is 0.380mm, and the test weight measurement angle measured by the phase meter 230 is 207 °. The unit of measured value can be converted into micrometer uniformly, and the test weight measurement vector can be recordedThe angle is 380 μm ∠ 207 degrees, and conversion is not needed, so as to ensure that the units are uniform during calculation, and the result is consistent.
FIG. 7 is a schematic view of a single sided dynamic balancing interface in accordance with an embodiment of the invention. The single-sided dynamic balance interface comprises input texts of 'inversion angle □', 'initial amplitude □ @ □', 'test weight quality □ @ □', 'inversion angle □' and 'test weight response □ @ □', wherein '□' is input content. The phase reversal angle is an angle between the phase meter 230 and the sensor 220, and is positive in a counterclockwise direction from the phase meter 230 to the sensor 220. The single-sided dynamic balance interface also comprises result texts of 'influence coefficient □ @ □', 'deduplication correction □ @ □' and 'weight retention correction □ @ □', wherein '□' is an output result value; buttons "balance calculation", "data clear", "return to home page"; and a four-quadrant bulls-eye pattern.
The parameter values can be entered manually in the input text or the measured values recorded in the "vibration measurement" interface can be called into the input text. In the initial measurement, the included angle between the phase meter 230 and the sensor 220 is 0, the default value of 0 is used for the first "phase inversion angle" in fig. 7, "initial vibration" is "755" @ "15," test weight mass "is" 500 "@" 60, "in the test weight measurement," phase inversion angle "between the phase meter 230 and the sensor 220 is" 45, "and the amplitude and angle in the test weight measurement are represented as" test weight response, "which is" 380 "@" 207.
After clicking the button 'balance calculation', calculating by using a single-sided dynamic balance algorithm to obtain the correction quality and the corresponding angle. The calculation results are shown in fig. 8.
Calculated using the following formula
WhereinCorresponding to an initial amplitude □ @ □, noted Is the initial vibration vector. 0The first "phase inversion angle □" corresponds to the angle between the phase meter 230 and the sensor 220 at the time of initial measurement, and is a default value of 0 in this embodiment.After the test weight is measured, the test weight measurement vector obtained in the test weight measurement is recorded as the corresponding test weight response □ @ □ To try out the vibration vector, satisfy 1To try the counter-clockwise angle of the phaser to the vibration sensor after weighing, a second "counter-clockwise angle □" is assigned, in this example 45 °.The corresponding test weight quality □ @ □ is a test weight quality vector.
Calculating by using the formula 1 to obtainWhich is the coefficient of influence of unit mass on the optimized vibration, willAssigned to the "influence coefficient □ @ □". In the present embodiment, the "influence coefficient" is "2.03" @ "153".
Obtaining a corrected mass vector with the trial mass removed according to equation 2It is offsetThe required correction quality is assigned to the "de-duplication correction □ @ □". In the present embodiment, "deduplication correction" is shown as "373" @ "42". During correction, the trial weight mass is removed, and correction mass block addition is carried out according to the correction mass and the corresponding angle displayed in the de-duplication correction.
Obtaining a corrected mass vector preserving the trial mass according to equation 3It is offsetThe required correction quality is assigned to the "weight-remaining correction □ @ □". In the present embodiment, "weight correction" is displayed as "187" @ "279". And during correction, the trial weight mass is reserved, and the correction mass block is added according to the correction mass and the corresponding angle displayed in the reserved weight correction.
Further, the quadrant bulls-eye graph shown in fig. 8 shows the corrected vector relationship.
Through the correction, the fan starts to vibrate to reach the qualified standard.
FIG. 9 is a schematic view of a double-sided dynamic balancing scenario according to an embodiment of the invention. The mobile phone 210 is connected to the sensor 220, and the mobile phone 210 is further connected to the phase meter 230. The transport protocol used for the particular connection is as previously described.
An initial vibration is measured. The bearing seats on two sides of the fan impeller are respectively marked as an A side and a B side, an online measuring element is installed at the top of the bearing seat on the A side, a magnetic seat of the sensor 220 is adsorbed beside the bearing seat to be fixed and measured, for example, the magnetic seat is deviated from the vertical direction by 30 degrees (the angle can be visually observed, the empirical error value is less than 10 degrees, the ratio of the circumferential distance between the sensor 220 and the phase meter 230 in the radial direction of the rotor to the circumferential length of the rotor can be measured, the angle of the interval is roughly calculated, the smaller the error is, the more accurate the result is, the fan is started, the working frequency amplitude of the bearing seat on the A side of the fan is clicked and measured on the vibration measurement interface, the measured working frequency amplitude of the bearing seat on the A side of the fan is 0.150mm @ 121. The "initial vibration at the A side" is recorded as 150 μm < 121 ° and the "phase inversion at the A side" is recorded as "30" in terms of micrometers. Then, the sensor 220 is placed in the vertical direction of the B-side bearing seat (according to actual confirmation on site, the phase inversion angle value is recorded when the displacement is needed, and in this example, the process is not repeated), the power frequency amplitude of the B-side bearing seat of the wind turbine is measured to be 0.200mm @240 °, the initial vibration amplitude measured by the sensor 220 is 0.200mm, and the initial measurement angle measured by the phase meter 230 is 240 °. The "primary vibration on the B side" was recorded as 200 μm 240 DEG in terms of micrometers, and the "phase inversion on the B side" was recorded as "0".
Then, the a-side trial weight mass was individually increased and the vibration response was measured. And stopping the fan, and additionally arranging a mass block at 50g & lt 0 ℃ in a balance groove on the side of a wheel disc A of the fan impeller. Placing a sensor 220 on the side A, starting a fan, clicking and selecting 'start measurement' on a 'vibration measurement' interface to obtain the power frequency amplitude of a bearing block on the side A of the fan, which is measured by the sensor 220 and a phase meter 230, of 0.115mm @80, and recording 'Ga response' on the side A as 115 mu m ° 80 °; then, the sensor 220 is placed on the B side, the power frequency amplitude of the bearing block on the B side of the fan is also obtained to be 0.142mm @154, and the 'Ga response on the B side' is recorded to be 142 mu m ^ 154 deg.
Next, the B-side trial weight mass was increased alone and the vibration response was measured. And (3) stopping the fan, detaching the mass block of the balance groove at the side A, and simultaneously adding the mass block of 70g & lt 30 DEG in the balance groove at the side B of the impeller wheel disc of the fan (the mass and the angle of the selected test weight are selected according to the size and the direction of the initial vibration proportion at the two sides of A, B or according to the value of 'estimated test weight', or according to the mass of the actual test weight block on site). Placing a sensor 220 on the side A, starting a fan, clicking and selecting a vibration measurement interface to start measurement, obtaining the power frequency amplitude of a bearing block on the side A of the fan, which is measured by the sensor 220 and a phase meter 230, of 0.056mm @11, and recording the Gb response on the side A as 56 mu m ^ 11 degrees; then, the sensor 220 is placed on the side B, and the power frequency amplitude of the bearing on the side B of the fan, measured by the sensor 220 and the phase meter 230, is 0.083mm @97, and the 'Gb response on the side B' is recorded as 83 mu m ^ 97 deg.
As shown in fig. 10, the double-sided dynamic balance interface includes input texts "a-side phase inversion □", "B-side phase inversion □", "a-side initial vibration □ @ □", "B-side initial vibration □ @ □", "a-side trial □ @ □", "a-side Ga response □ @ □", "B-side Ga response □ @ □", "B-side trial □ @ □", "a-side Gb response □ @ □", and "B-side Gb response □ @ □", where "□" is input content. The double-sided dynamic balance interface also comprises an A-side Ga coefficient □ @ □, a B-side Ga coefficient □ @ □, an A-side Gb coefficient □ @ □, a B-side Gb coefficient □ @ □, a de-duplication correction A-side □ @ □ and a de-duplication correction B-side □ @ □, wherein the '□' is an output result.
The measured values are entered in the input text according to the aforementioned records. And clicking a double-sided balance button, and calculating by using a double-sided dynamic balance algorithm to obtain the correction quality and the corresponding angle. The calculation results are shown in fig. 10.
Specifically, the following formula is used for calculation.
WhereinCorresponding to the initial vibration of side A □ @ □, is recorded as Is an initial vibration vector of side A, and satisfies aCorresponding to "a-side phase inversion □", the included angle of the phase meter 230 to the sensor 220 in the inversion direction when making the a-side measurement is 30 in this embodiment.
Corresponding to the "B-side initial vibration □ @ □", it is recorded as Is the initial vibration vector of the B side and satisfies bCorresponding to the "B-side phase inversion □", the included angle of the phase meter 230 to the sensor 220 in the reverse direction when performing the B-side measurement is 0 in the present embodiment.
The "A-side trial weight □ @ □" is the A-side trial weight quality vector.The corresponding B-side test weight □ @ □ is a B-side test weight quality vector.
Corresponding to "A-side Ga response □ @ □", note The vibration vector of the A side corresponding to the A side test weight meets the requirement Corresponding to "B-side Ga response □ @ □", note The vibration vector of the test weight of the side B corresponding to the side A meets the requirement
Corresponding to "Gb response □ @ □" at A side The vibration vector of the test weight of the A side corresponding to the B side is satisfied Corresponding to "Gb response □ @ □" on the B side, noted The vibration vector of the test weight of the B side corresponding to the B side meets the requirement
Using the above formulas 4-9, respectivelyThe influence coefficient of the trial weight mass of the A side on the A plane is assigned to the 'A side Ga coefficient □ @ □';the influence coefficient of the trial weight mass of the side A on the plane B is assigned to the 'side B Ga coefficient □ @ □';the influence coefficient of the trial weight quality of the B side on the A plane is assigned to the 'Gb coefficient □ @ □' of the A side;the B-side test weight quality is an influence coefficient of the B-side test weight quality on a B plane and is assigned to a 'B-side Gb coefficient □ @ □';additional offset on A plane for removing A side and B side trial weightIs assigned to the "deduplication correction a-side □ @ □",the additional device for offsetting offset on the B plane is required to be arranged after the trial weight of the A side and the B side is removedThe correction quality of (2) is assigned to "deduplication correction B-side □ @ □".
Meanwhile, a vector relation graph can be drawn in the graph; clicking on the button module "data clear" may clear all data in "□" and clicking on the "return home" link back to the main scene interface.
As shown in fig. 10, the data input in the "double-sided dynamic balance" interface of this embodiment are in turn: "a-side phase inversion" is "30", "B-side phase inversion" is "0", or "default no input", "a-side initial vibration" is "150" @ "121", "B-side initial vibration" is "200" @ "240", "a-side trial weight Ga" is "50" @ "0", "a-side Ga response" is "115" @ "80", "B-side Ga response" is "142" @ "154", "B-side trial weight Gb" is "70" @ "30", "a-side Gb response" is "56" @ "11", and "B-side Gb response" is "83" @ "97".
Clicking the double-sided balance on a double-sided dynamic balance interface to display the result immediately: "a-side Ga coefficient" shows "1.969" @ "21", "B-side Ga coefficient" shows "4.741" @ "97", "a-side Gb coefficient" shows "2.531" @ "318", and "B-side Gb coefficient" shows "3.87" @ "41"; "the deduplication correction A side" shows "21.56" @ "111", "the deduplication correction B side" shows "75.33" @ "9"; the quadrant circle bulls-eye chart shows the vector relation before and after correction, and can be distinguished by colors.
During correction, the trial mass blocks on the A side and the B side are removed, and correction mass block addition is carried out according to the correction mass and the corresponding angle displayed in the 'duplication removal correction A side' and the 'duplication removal correction B side'. The method is characterized in that a calibration mass block is additionally arranged in a balance groove on the side of the fan impeller wheel disc A and is 21.56g corresponding to an angle of 111 degrees, a calibration mass block is additionally arranged in a balance groove on the side of the fan impeller wheel disc B and is 75.33g corresponding to an angle of 9 degrees, and the precision is guaranteed as much as possible according to field conditions in actual operation.
After the treatment, the fan is started to vibrate to reach the qualified standard. Further, if the mass needs to be corrected again, the mass block on the A side is not required to be removed, and the vibration response after the mass block on the A side is added is used as the initial vibration value of the mass block on the B side before the mass block on the B side is added, so that the principle is similar, and the repeated description is omitted.
FIG. 9 is a schematic diagram of a harmonic balancing scenario, according to an embodiment of the invention. The mobile phone 210 is connected to the sensor 220, and the mobile phone 210 is further connected to the phase meter 230. The transport protocol used for the particular connection is as previously described.
An initial vibration is measured. Bearing seats on two sides of the fan impeller are respectively marked as an A side and a B side, an online measuring element is arranged at the top of the bearing seat on the A side, a magnetic seat of the sensor 220 is adsorbed beside the bearing seat to be fixed and measured, for example, the magnetic seat is deviated from the vertical direction by 30 degrees, and similarly, the magnetic seat of the sensor 220 is adsorbed in the direction deviated from the vertical direction by 45 degrees due to shielding at the position of the bearing seat on the B side. Starting the fan, clicking and selecting 'start measurement' on a 'vibration measurement' interface of the mobile phone 210, and measuring the power frequency amplitude of the bearing block on the A side of the fan to be 0.178@164 degrees, wherein the result indicates that the initial vibration amplitude measured by the sensor 220 is 0.178mm, and the initial measurement angle measured by the phase meter 230 is 164 degrees. Converting into microns and recording the initial vibration at the A side as 178 mu m and 164 degrees; the vibration sensor was then placed on the B side and the power frequency amplitude of the bearing block on the B side of the wind turbine was measured to be 0.195@234, indicating that the initial vibration amplitude measured by the sensor 220 was 0.195mm and the initial measurement angle measured by the phase meter 230 was 234 °. The 'B-side primary vibration' is recorded by converting into microns and is 195 mu m < 234 deg. Here, the measurement sequence of the a-side and the B-side is merely an exemplary illustration, and the present invention is not limited thereto.
Then, the a-side and B-side trial weights were added and the vibration response was measured. The fan stops running, the mass block is additionally arranged in the balance groove on the side of the wheel disc A of the fan impeller at an angle of 30g and the mass block is additionally arranged in the balance groove on the side of the wheel disc B at an angle of 50g and 60 degrees. The sensor 220 is placed on the side A, the fan is started, the 'start measurement' interface is clicked on the mobile phone 210 'vibration measurement' interface, the power frequency amplitude of the bearing block on the side A of the fan, measured by the sensor 220 and the phase meter 230, is 0.069@92, and the 'response of the side A' is recorded as 69 mu m ≦ 92 degrees. The sensor 220 is placed on the B side, the fan is started, the 'start measurement' interface is clicked on the 'vibration measurement' interface of the mobile phone 210, the power frequency amplitude of the bearing on the B side, measured by the sensor 220 and the phase meter 230, of 0.071@112 is obtained, and the 'response of the B side' is recorded to be 71 mu m < 112 degrees.
As shown in fig. 11, the harmonic component balance interface includes input texts "a-side phase inversion □", "B-side phase inversion □", "a-side initial vibration □ @ □", "B-side initial vibration □ @ □", "a-side trial Ga □ @ □", "B-side trial Gb □ @ □", "a-side response □ @ □", "B-side response □ @ □", where "□" is an input text module; the output text comprises "initial vibration T component □ @ □", "initial vibration F component □ @ □", "test weight T component □ @ □", "test weight F component □ @ □", "response T component □ @ □", "response F component □ @ □", "T-directional coefficient □ @ □", "F-reverse coefficient □ @ □", "weight-removing correction a-side □ @ □", "weight-removing correction B-side □ @ □", "weight-remaining correction a-side □ @ □", "weight-remaining correction B-side □ @ □", wherein "□" is a dynamic text module.
The measured values are entered in the input text according to the aforementioned records. Clicking a harmonic balance button, and calculating by using a harmonic balance algorithm to obtain the correction quality and the corresponding angle. The calculation results are shown in fig. 11.
Specifically, the following formula is used for calculation.
Wherein,corresponding to the initial vibration of side A □ @ □, is recorded as Is an initial vibration vector, satisfies aCorresponding to the "a-side phase inversion □", the included angle of the phase meter 230 to the sensor 220 in the inversion direction when the a-side measurement is performed;corresponding to the "B-side initial vibration □ @ □", it is recorded as Is an initial vibration vector, satisfies bCorresponding to the "B-side phase inversion □", is the inversion included angle between the phase meter 230 and the sensor 220 when performing B-side measurement;corresponding to the trial weight of side A Ga □ @ □',corresponding to the 'B side trial weight Gb □ @ □',corresponding to "response □ @ □" on side A, noted The vector is measured for the trial weight of the side A, and the condition is satisfied Corresponding to "B side response □ @ □", note The vector is measured for the test weight of the B side, and the condition is satisfied The homodromous component of the initial vibration on the side A, B is assigned to "initial vibration T component □ @ □",the inverse component of the initial vibration on the side A, B is assigned to "initial vibration F component □ @ □",for the homodromous component of the A, B side trial weight mass, a value is assigned to "trial weight T component □ @ □",for the inverse component of the A, B side trial weight mass, a value is assigned to the "trial weight F component □ @ □",the homodromous component of the A, B-side vibration response is assigned to "response T component □ @ □",the inverse component of the A, B-side vibration response, is assigned to the "response F component □ @ □",and is assigned to the A, B side codirectional component influence coefficient as "T codirectional coefficient □ @ □",for the A, B-side inverse component influence coefficient, an "F-inverse coefficient □ @ □" is assigned,the quality is corrected for the same-directional de-duplication,in order to correct the quality for reverse de-duplication,for the de-duplication correction quality of the A-side, a value is assigned to "de-duplication correction A-side □ @ □",for the de-duplication correction quality of the B-side, a value is assigned to "de-duplication correction B-side □ @ □",the mass is corrected for the same direction,to re-establish the corrected mass for the reverse direction,for the rebinning quality of the a-side, a value is assigned to "rebinning a-side □ @ □",for the left-over quality of B-side, assign a value to "left-over B-side □ @ □";simultaneously, automatically drawing a vector relation graph in the target center graph with the four circumferences; clicking on the button module "data clear" may clear all data in "□" and clicking on the "return home" link back to the main scene interface.
In the present embodiment, the interface "harmonic component balance" is recorded in order that "a-side phase inversion" is "30", "B-side phase inversion" is "45", "a-side initial vibration" is "178" @ "164", "B-side initial vibration" is "195" @ "234", "a-side trial weight Ga" is "30" @ "30", "B-side trial weight Gb" is "50" @ "60", "a-side response" is "69" @ "92", and "B-side response" is "71" @ "112".
Clicking on the "harmonic component balance" interface to "harmonic divide both directions" results in the display shown in FIG. 11. "initial vibration T component" displays "138" @ "239", "initial vibration F component" displays "126" @ "144", "trial weight T component" displays "39" @ "49", "trial weight F component" displays "14" @ "272", "response T component" displays "67" @ "140", "response F component" displays "21" @ "47", "T in-direction coefficient" displays "4.189" @ "34", "F-direction coefficient" displays "9.204" @ "61"; "the deduplication correction A side" shows "28" @ "0", and the deduplication correction B side "shows" 42 "@" 41 "; "left weight correction a side" shows "15" @ "278", "left weight correction B side" shows "17" @ "292"; the quadrant bulls-eye plot shows the vector relationship before and after correction. In the above description, T represents the same direction, and F represents the opposite direction.
And stopping the fan and adjusting. In the first scheme, the mass blocks of the balance grooves on the A side and the B side are detached, then, according to the de-weight correction result displayed by the harmonic component balance, the correction mass block is additionally arranged on the balance groove on the A side of the fan impeller wheel disc to be 28g & lt 0 ℃, and the correction mass block is additionally arranged on the balance groove on the B side of the fan impeller wheel disc to be 42g & lt 41 ℃. In the second scheme, according to a remaining weight correction result displayed by 'harmonic component balance', the balance groove on the side of the fan impeller wheel disc A is directly additionally provided with a correction mass block at 15 g-292 degrees, and the balance groove on the side of the fan impeller wheel disc B is additionally provided with a correction mass block at 17 g-292 degrees.
Furthermore, according to the field requirement, the homodromous balance can be independently carried out, namely, only homodromous components are balanced; or "counter balancing" alone, i.e. balancing only the opposite component.
In an embodiment, the method further comprises: calculating to obtain estimated trial weight quality according to the input parameters by using a trial weight quality estimation algorithm; and obtaining an estimated trial weight quality corresponding angle according to the initial measurement angle, the included angle between the sensor and the phase meter during initial measurement and the input estimated lag angle.
As shown in fig. 12, the interface for estimating the trial weight includes input texts "phase reversal angle □ °", "initial amplitude □ @ □", "rated rotation speed □ r/min", "rotor mass □ Kg", "emphasis radius □ m", "estimated retardation angle □ °", and "sensitivity coefficients □ - □", where "□" is the input text; the text of 'test weight quality □ - □' and 'test weight angle □ degrees' is output, wherein '□' is a dynamic text; the button module "estimate trial weight", "data clear", "return to home page", and four-circle bulls-eye pattern.
First, a parameter value is input into the input text, and the parameter value is determined according to an initial vibration vector obtained by initial measurement (the obtaining method is as described above) and a performance rule parameter of the device. When clicking the button to estimate the trial weight, the formula P is A according to the trial weight quality estimation formula0(Mg/rω2S) obtaining a result.
Wherein A is0Corresponding to the initial amplitude □ @ □ ', M corresponding to the rotor mass □ Kg ', g corresponding to the gravity acceleration, r corresponding to the weighted radius □ M ', omega corresponding to the rated rotating speed □ r/min and S corresponding to the sensitivity coefficient □ - □. And obtaining the weight of the test weight after calculation, and assigning the weight of the test weight to the weight of □ - □. Then, the angle calculated by the following formula is assigned to "trial weight angle □ °" as the corresponding angle of the trial weight mass. The rated rotating speed refers to the designed rated working rotating speed of a driving source (namely a motor), and can be obtained from equipment factory specifications; rotor quality of rotary machine to be measuredThe total rotor mass of the device, including the motor rotor mass and the fan rotor mass (if the coupling is disassembled, the calculation is not involved), can be obtained from the equipment factory instructions; the weighting radius refers to the distance from the position of the additional balancing block (such as a weighting groove) to the center of the rotor, and can be obtained or measured in the factory specifications of equipment; estimation of the lag angle and the sensitivity coefficient is well known empirical data.
"initial amplitude □ @ □" + "phase reversal angle □ °" +180 ° - "estimated retardation angle □ °".
In addition, clicking on the "data clear" button clears all data in "□" and clicking on the "return home" button links back to the home scene interface.
When the rotating machine is used for carrying out dynamic balance for the first time, due to inexperience, if the test weight mass is selected randomly, the test failure is easily caused when the test weight mass is too small, and the accident is easily caused when the test weight mass is too large. By estimating the trial weight, the safety can be guaranteed to the maximum extent; equipment damage or test weight measurement failure caused in the test weight measurement process is avoided.
In an embodiment, the method further comprises: and synthesizing and/or decomposing the input mass vector and/or vibration vector, and displaying the result obtained by synthesizing and/or decomposing in a quartering circle target center diagram.
FIG. 13 is a schematic diagram of an interface for vector calculation according to an embodiment of the invention. As shown in fig. 13, the interface of the vector calculation includes the text "quality component □ @ □", "quality component □ @ □", "synthesized quality □ @ □", "vibration I value □ @ □", "vibration II value □ @ □", "vibration III value □ @ □", "II III same direction □ @ □", "II III reverse □ @ □", the buttons "quality synthesis", "quality decomposition", "angle decomposition", "data elimination", "I + II", "III-II", "harmonic component", "return home page", and a four-circle bullseye graphic. "□" can be an input text module or dynamic text, which can be input content or output content according to different computing objects.
When clicking the button 'quality synthesis', 2 'quality components' are synthesized according to vectors and then assigned to 'synthesis quality'; when the button 'quality decomposition' is clicked, after the 'synthesized quality' vector is decomposed, an angle is assigned to □ after @ in the 'quality decomposition'; when the button 'angle decomposition' is clicked, after the 'synthetic quality' vector is decomposed, the quality component is assigned to □ before @ in the 'quality decomposition'; similarly, "I + II" is the vector sum of "vibration I value □ @ □" and "vibration II value □ @ □", assigned to "vibration III value □ @ □"; "III-II" is the vector difference between "vibration III value □ @ □" and "vibration II value □ @ □", assigned to "vibration I value □ @ □"; harmonic components are homodromous and inverse vector calculations of the "vibration II value □ @ □" and the "vibration III value □ @ □", assigned to the "II III homodromous □ @ □" and the "II III inverse □ @ □", respectively.
And drawing the vector and the relation graph of each calculation in the target center graph with the circumference of four circles, and automatically clearing the graph result of the last time.
When the calibration mass is installed or adjusted on site, if the calculated angle has no installation position or no proper calibration mass block actually exists, the aim of calibrating the mass is indirectly achieved by synthesizing or decomposing the vector through vector calculation according to the actual situation.
As shown in fig. 14, a dynamic balancing apparatus is disclosed. The device comprises: an acquisition module 1410 and a calculation module 1420.
The obtaining module 1410 is configured to obtain an initial vibration amplitude measured by the sensor and an initial measurement angle measured by the phase meter when the device is operated and performs initial measurement; when the test weight measurement is carried out after the test weight mass is added into the equipment, the test weight vibration amplitude obtained by the measurement of the sensor and the test weight measurement angle obtained by the measurement of the phase meter are obtained;
and the calculating module 1420 is configured to obtain a correction mass and a corresponding angle according to the initial vibration amplitude, the initial measurement angle, the trial weight vibration amplitude, the trial weight measurement angle, the included angle between the sensor and the phase meter, and the trial weight mass and the corresponding angle, so as to dynamically balance the device.
In one embodiment, the calculation module 1420 includes: the initial vibration calculation submodule is used for obtaining an initial vibration vector according to the initial vibration amplitude, the initial measurement angle and an included angle between the sensor and the phase meter during initial measurement; the test weight vibration calculation submodule is used for obtaining a test weight vibration vector according to the test weight vibration amplitude, the test weight measurement angle and an included angle between the sensor and the phase meter during test weight measurement; the trial weight quality calculation submodule is used for obtaining a trial weight quality vector according to the trial weight quality and the corresponding angle; and the correction quality calculation submodule is used for calculating the correction quality and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight quality vector.
In an embodiment, the correction mass calculation sub-module is configured to calculate the correction mass and the corresponding angle from the initial vibration vector, the trial vibration vector, and the trial mass vector using a single-sided dynamic balance algorithm, a double-sided dynamic balance algorithm, or a harmonic component balance algorithm.
In one embodiment, the apparatus further comprises: the estimation module is used for calculating the estimated trial weight quality according to the input parameters by using a trial weight quality estimation algorithm; and obtaining an estimated test weight quality corresponding angle according to the initial measurement angle, the included angle between the sensor and the phase meter during initial measurement and the input estimated lag angle.
In one embodiment, the computing module further comprises: and the vector calculation submodule is used for synthesizing and/or decomposing the input mass vector and/or vibration vector and displaying the result obtained by synthesizing and/or decomposing in a quartering circle target center diagram.
The technical scheme of the apparatus corresponds to the technical scheme of the method, and specific descriptions can be given in the technical scheme of the method, which is not described herein again.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. A method of dynamic balancing, the method comprising:
when the equipment runs, carrying out initial measurement to obtain an initial vibration amplitude measured by the sensor and an initial measurement angle measured by the phase meter;
when the test weight is added into the equipment and then the equipment runs, test weight measurement is carried out, and test weight vibration amplitude obtained by measurement of the sensor and test weight measurement angle obtained by measurement of the phase meter are obtained;
and obtaining a correction mass and a corresponding angle according to the initial vibration amplitude, the initial measurement angle, the test weight vibration amplitude, the test weight measurement angle, the included angle between the sensor and the phase meter, the test weight mass and the corresponding angle so as to dynamically balance the equipment.
2. The method of claim 1, wherein deriving the calibration mass and the corresponding angle from the initial vibration amplitude, the initial measurement angle, the trial weight vibration amplitude, the trial weight measurement angle, the included angle between the sensor and the phase meter, and the trial weight mass and the corresponding angle comprises:
obtaining an initial vibration vector according to the initial vibration amplitude, the initial measurement angle and an included angle between the sensor and the phase meter during initial measurement;
obtaining a test weight vibration vector according to the test weight vibration amplitude, the test weight measurement angle and an included angle between the sensor and the phase meter during test weight measurement;
obtaining a test weight quality vector according to the test weight quality and the corresponding angle;
and calculating according to the initial vibration vector, the trial weight vibration vector and the trial weight mass vector to obtain the correction mass and the corresponding angle.
3. The method of claim 2, wherein calculating the correction mass and the corresponding angle from the initial vibration vector, the trial vibration vector, and the trial mass vector comprises:
and calculating the correction mass and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight mass vector by using a single-sided dynamic balance algorithm, a double-sided dynamic balance algorithm or a harmonic component balance algorithm.
4. A method according to any one of claims 1 to 3, characterized in that the method further comprises:
calculating to obtain estimated trial weight quality according to the input parameters by using a trial weight quality estimation algorithm;
and obtaining an estimated trial weight quality corresponding angle according to the initial measurement angle, the included angle between the sensor and the phase meter during initial measurement and the input estimated lag angle.
5. A method according to any one of claims 1 to 3, characterized in that the method further comprises:
and synthesizing and/or decomposing the input mass vector and/or vibration vector, and displaying the result obtained by synthesizing and/or decomposing in a quartering circle target center diagram.
6. A dynamic balancing apparatus, the apparatus comprising:
the acquisition module is used for acquiring initial vibration amplitude obtained by measurement of the sensor and an initial measurement angle obtained by measurement of the phase meter when the equipment runs and performs initial measurement; when the test weight measurement is carried out after the test weight mass is added into the equipment, the test weight vibration amplitude obtained by the measurement of the sensor and the test weight measurement angle obtained by the measurement of the phase meter are obtained;
and the calculation module is used for obtaining a correction mass and a corresponding angle according to the initial vibration amplitude, the initial measurement angle, the test weight vibration amplitude, the test weight measurement angle, the included angle between the sensor and the phase meter, the test weight mass and the corresponding angle so as to perform dynamic balance on the equipment.
7. The apparatus of claim 6, wherein the computing module comprises:
the initial vibration calculation submodule is used for obtaining an initial vibration vector according to the initial vibration amplitude, the initial measurement angle and an included angle between the sensor and the phase meter during initial measurement;
the test weight vibration calculation submodule is used for obtaining a test weight vibration vector according to the test weight vibration amplitude, the test weight measurement angle and an included angle between the sensor and the phase meter during test weight measurement;
the trial weight quality calculation submodule is used for obtaining a trial weight quality vector according to the trial weight quality and the corresponding angle;
and the correction quality calculation submodule is used for calculating the correction quality and the corresponding angle according to the initial vibration vector, the trial weight vibration vector and the trial weight quality vector.
8. The apparatus of claim 7, wherein the correction mass calculation sub-module is configured to calculate the correction mass and the corresponding angle from the initial vibration vector, the trial vibration vector, and the trial mass vector using a single sided dynamic balance algorithm, a double sided dynamic balance algorithm, or a harmonic component balance algorithm.
9. The apparatus of any one of claims 6 to 8, further comprising:
the estimation module is used for calculating the estimated trial weight quality according to the input parameters by using a trial weight quality estimation algorithm; and obtaining an estimated test weight quality corresponding angle according to the initial measurement angle, the included angle between the sensor and the phase meter during initial measurement and the input estimated lag angle.
10. The apparatus of any of claims 6 to 8, wherein the computing module further comprises:
and the vector calculation submodule is used for synthesizing and/or decomposing the input mass vector and/or vibration vector and displaying the result obtained by synthesizing and/or decomposing in a quartering circle target center diagram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239172.3A CN105890843A (en) | 2016-04-18 | 2016-04-18 | Dynamic balance method and dynamic balance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239172.3A CN105890843A (en) | 2016-04-18 | 2016-04-18 | Dynamic balance method and dynamic balance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105890843A true CN105890843A (en) | 2016-08-24 |
Family
ID=56704212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610239172.3A Pending CN105890843A (en) | 2016-04-18 | 2016-04-18 | Dynamic balance method and dynamic balance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105890843A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289645A (en) * | 2016-11-07 | 2017-01-04 | 北京东方振动和噪声技术研究所 | Rotor dynamic balancing assay method based on steady stimulation method and device |
| CN107389269A (en) * | 2017-08-30 | 2017-11-24 | 马鞍山马钢华阳设备诊断工程有限公司 | One kind subtracts sizing gearbox high-speed output shaft spot dynamic balance method |
| CN107860515A (en) * | 2017-11-08 | 2018-03-30 | 攀钢集团攀枝花钢钒有限公司 | Fan rotor balance method |
| CN109765068A (en) * | 2019-01-07 | 2019-05-17 | 中国神华能源股份有限公司 | The antiphase balance method of 600MW grade generating set complex vibration failure |
| CN109779844A (en) * | 2017-11-13 | 2019-05-21 | 北京普华亿能风电技术有限公司 | The acquisition methods and system of angle of fan leaves measurement error influence relationship |
| CN110044643A (en) * | 2019-03-12 | 2019-07-23 | 广州驭风旭铝铸件有限公司 | A kind of detection method, system, device and the storage medium of wheel amount of unbalance |
| CN110617919A (en) * | 2019-03-27 | 2019-12-27 | 西安陕鼓动力股份有限公司 | On-site double-sided dynamic balancing method based on comprehensive counterweight proportionality coefficient |
| CN110646141A (en) * | 2019-09-24 | 2020-01-03 | 华能(大连)热电有限责任公司 | Office software-based rotary machine on-site dynamic balance calculation and adjustment method |
| CN110926701A (en) * | 2019-11-08 | 2020-03-27 | 深圳精匠云创科技有限公司 | Dynamic balance correction method and automation equipment using same |
| CN112710428A (en) * | 2020-12-18 | 2021-04-27 | 兰州大学 | Dynamic balance correction method and device based on material increase |
| CN112729681A (en) * | 2020-12-22 | 2021-04-30 | 厦门大学 | Detection method and detection system for rotor field dynamic balance |
| CN113361030A (en) * | 2021-06-02 | 2021-09-07 | 华能山东石岛湾核电有限公司 | Method for establishing rotary machine dynamic balance calculation application system based on LabVIEW |
| CN114166419A (en) * | 2019-11-08 | 2022-03-11 | 深圳精匠云创科技有限公司 | Dynamic balance correction apparatus |
| CN114544080A (en) * | 2022-02-22 | 2022-05-27 | 北京电力设备总厂有限公司 | Dynamic balance comprehensive treatment method for flexible rotor to be overhauled |
| CN114577398A (en) * | 2022-02-28 | 2022-06-03 | 成都国营锦江机器厂 | High-speed balancing method for output shaft assembly of power turbine rotor |
| WO2024113732A1 (en) * | 2022-12-01 | 2024-06-06 | 南方电网调峰调频发电有限公司检修试验分公司 | Dynamic-balance test method and apparatus for rigid rotor, device, and medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106393A (en) * | 1985-08-22 | 1987-02-18 | 西宁供电局 | Phase locking frequency multiplying cross compensation phase meter |
| JPS6396532A (en) * | 1986-10-14 | 1988-04-27 | Okamoto Kosaku Kikai Seisakusho:Kk | Precision balancing method for rotating body |
| CN2042599U (en) * | 1988-04-12 | 1989-08-09 | 天津市无线电一厂 | Acoustic / superlow frequency phase meter |
| CN1059854A (en) * | 1991-09-30 | 1992-04-01 | 浙江大学 | The dynamic balance method that is used for spiral discharge sedimentation centrifuge |
| JP2005308644A (en) * | 2004-04-23 | 2005-11-04 | Kokusai Keisokki Kk | Mass centering method and apparatus |
| CN101320060A (en) * | 2008-07-18 | 2008-12-10 | 北京航大智慧科技有限公司 | Fast phase meter |
| CN101487756A (en) * | 2009-01-13 | 2009-07-22 | 东南大学 | Harmonic component rotational speed balancing method in rotating machinery vibration analysis |
| CN102494846A (en) * | 2011-11-28 | 2012-06-13 | 马杰 | Single-side dynamic balance tool |
| CN102539072A (en) * | 2012-01-18 | 2012-07-04 | 山东电力研究院 | Field dynamic balance measuring device and method for utility boiler side fan |
| CN103217578A (en) * | 2013-04-24 | 2013-07-24 | 中国科学院力学研究所 | Digital phase meter and method for measuring phase difference between signals and based on phase-locked loop technology |
-
2016
- 2016-04-18 CN CN201610239172.3A patent/CN105890843A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106393A (en) * | 1985-08-22 | 1987-02-18 | 西宁供电局 | Phase locking frequency multiplying cross compensation phase meter |
| JPS6396532A (en) * | 1986-10-14 | 1988-04-27 | Okamoto Kosaku Kikai Seisakusho:Kk | Precision balancing method for rotating body |
| CN2042599U (en) * | 1988-04-12 | 1989-08-09 | 天津市无线电一厂 | Acoustic / superlow frequency phase meter |
| CN1059854A (en) * | 1991-09-30 | 1992-04-01 | 浙江大学 | The dynamic balance method that is used for spiral discharge sedimentation centrifuge |
| JP2005308644A (en) * | 2004-04-23 | 2005-11-04 | Kokusai Keisokki Kk | Mass centering method and apparatus |
| CN101320060A (en) * | 2008-07-18 | 2008-12-10 | 北京航大智慧科技有限公司 | Fast phase meter |
| CN101487756A (en) * | 2009-01-13 | 2009-07-22 | 东南大学 | Harmonic component rotational speed balancing method in rotating machinery vibration analysis |
| CN102494846A (en) * | 2011-11-28 | 2012-06-13 | 马杰 | Single-side dynamic balance tool |
| CN102539072A (en) * | 2012-01-18 | 2012-07-04 | 山东电力研究院 | Field dynamic balance measuring device and method for utility boiler side fan |
| CN103217578A (en) * | 2013-04-24 | 2013-07-24 | 中国科学院力学研究所 | Digital phase meter and method for measuring phase difference between signals and based on phase-locked loop technology |
Non-Patent Citations (10)
| Title |
|---|
| RAUDLL L.FOX；邓勇 译: "《现场动平衡方法实用指导》", 《燃气轮机技术》 * |
| 上传者：Y23847892: "《豆丁网 http://www.docin.com/p-812729749.html》", 15 May 2014 * |
| 屈维德: "《机械振动手册》", 31 August 1992, 机械工业出版社 * |
| 李志成 等: "《桩基础试验》", 31 May 2005, 中国林业出版社 * |
| 梅晓榕 等: "《自动控制元件及线路》", 31 October 1993, 哈尔滨工业大学出版社 * |
| 王海洋 等: "《动平衡技术在设备诊断中的应用》", 《硅谷》 * |
| 许云平等: "《机械制造检验手册（第2卷）》", 31 January 1997, 杭州大学出版社 * |
| 谷俊杰 等: "《汽轮机控制 监视和保护》", 31 October 2002 * |
| 马杰 等: "《动平衡程序在手机上的开发及应用》", 《神华科技》 * |
| 黄智伟: "《全国大学生电子设计竞赛技能训练》", 28 February 2007, 北京航空航天大学出版社 * |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289645B (en) * | 2016-11-07 | 2020-05-01 | 北京东方振动和噪声技术研究所 | Rotor dynamic balance measuring method and device based on steady state excitation method |
| CN106289645A (en) * | 2016-11-07 | 2017-01-04 | 北京东方振动和噪声技术研究所 | Rotor dynamic balancing assay method based on steady stimulation method and device |
| CN107389269A (en) * | 2017-08-30 | 2017-11-24 | 马鞍山马钢华阳设备诊断工程有限公司 | One kind subtracts sizing gearbox high-speed output shaft spot dynamic balance method |
| CN107389269B (en) * | 2017-08-30 | 2019-03-29 | 马鞍山马钢华阳设备诊断工程有限公司 | One kind subtracting sizing gearbox high-speed output shaft spot dynamic balance method |
| CN107860515A (en) * | 2017-11-08 | 2018-03-30 | 攀钢集团攀枝花钢钒有限公司 | Fan rotor balance method |
| CN107860515B (en) * | 2017-11-08 | 2019-08-06 | 攀钢集团攀枝花钢钒有限公司 | Fan rotor balance method |
| CN109779844A (en) * | 2017-11-13 | 2019-05-21 | 北京普华亿能风电技术有限公司 | The acquisition methods and system of angle of fan leaves measurement error influence relationship |
| CN109779844B (en) * | 2017-11-13 | 2020-06-09 | 北京普华亿能风电技术有限公司 | Method and system for acquiring influence relation of angle measurement errors of fan blade |
| CN109765068A (en) * | 2019-01-07 | 2019-05-17 | 中国神华能源股份有限公司 | The antiphase balance method of 600MW grade generating set complex vibration failure |
| CN109765068B (en) * | 2019-01-07 | 2021-05-11 | 中国神华能源股份有限公司 | Anti-phase balancing method for compound vibration fault of 600 MW-grade generator set |
| CN110044643A (en) * | 2019-03-12 | 2019-07-23 | 广州驭风旭铝铸件有限公司 | A kind of detection method, system, device and the storage medium of wheel amount of unbalance |
| CN110617919A (en) * | 2019-03-27 | 2019-12-27 | 西安陕鼓动力股份有限公司 | On-site double-sided dynamic balancing method based on comprehensive counterweight proportionality coefficient |
| CN110646141A (en) * | 2019-09-24 | 2020-01-03 | 华能(大连)热电有限责任公司 | Office software-based rotary machine on-site dynamic balance calculation and adjustment method |
| CN110646141B (en) * | 2019-09-24 | 2021-03-02 | 华能(大连)热电有限责任公司 | Office software-based rotary machine on-site dynamic balance calculation and adjustment method |
| CN110926701A (en) * | 2019-11-08 | 2020-03-27 | 深圳精匠云创科技有限公司 | Dynamic balance correction method and automation equipment using same |
| CN114166419A (en) * | 2019-11-08 | 2022-03-11 | 深圳精匠云创科技有限公司 | Dynamic balance correction apparatus |
| CN114166420A (en) * | 2019-11-08 | 2022-03-11 | 深圳精匠云创科技有限公司 | Dynamic balance correction apparatus |
| CN112710428B (en) * | 2020-12-18 | 2023-06-06 | 兰州大学 | Dynamic balance correction method and device based on material increase |
| CN112710428A (en) * | 2020-12-18 | 2021-04-27 | 兰州大学 | Dynamic balance correction method and device based on material increase |
| CN112729681A (en) * | 2020-12-22 | 2021-04-30 | 厦门大学 | Detection method and detection system for rotor field dynamic balance |
| CN113361030A (en) * | 2021-06-02 | 2021-09-07 | 华能山东石岛湾核电有限公司 | Method for establishing rotary machine dynamic balance calculation application system based on LabVIEW |
| CN114544080A (en) * | 2022-02-22 | 2022-05-27 | 北京电力设备总厂有限公司 | Dynamic balance comprehensive treatment method for flexible rotor to be overhauled |
| CN114544080B (en) * | 2022-02-22 | 2024-04-19 | 北京电力设备总厂有限公司 | Dynamic balance comprehensive treatment method for flexible rotor to be overhauled |
| CN114577398A (en) * | 2022-02-28 | 2022-06-03 | 成都国营锦江机器厂 | High-speed balancing method for output shaft assembly of power turbine rotor |
| WO2024113732A1 (en) * | 2022-12-01 | 2024-06-06 | 南方电网调峰调频发电有限公司检修试验分公司 | Dynamic-balance test method and apparatus for rigid rotor, device, and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105890843A (en) | Dynamic balance method and dynamic balance device | |
| CN104236799B (en) | Dynamic balance method for fast eliminating vibration, in horizontal direction, of bearing pedestals | |
| Thearle | Dynamic balancing of rotating machinery in the field | |
| US8291764B2 (en) | Method and apparatus for in situ unbalance and corrective balance determination for a non-vertical axis rotating assembly | |
| Saleem et al. | Detection of unbalance in rotating machines using shaft deflection measurement during its operation | |
| CN102564698B (en) | Multi-rotor joint vibration mode balancing method for single support shafting steam turbine generator unit | |
| CN106289645B (en) | Rotor dynamic balance measuring method and device based on steady state excitation method | |
| CN104634509A (en) | Method for acquiring dynamic balance coefficient of rotor | |
| US20130261987A1 (en) | Systems and methods of identifying types of faults | |
| CN104101464A (en) | Multi-wheel-disc rotor dynamic balancing test method based on rotating coordinate system | |
| CN103234703B (en) | A kind of dual-threshold detection method solving fan vibration | |
| JP2019039737A (en) | Axial runout measuring method and axial runout measuring system | |
| JP5958932B2 (en) | Dynamic equipment condition monitoring system, method and program | |
| CN109406053A (en) | Without duplicate removal rotor dynamic balancing method | |
| SE0401128D0 (en) | Measuring instrument | |
| CN116317781B (en) | Unbalanced vibration control method and device for coaxial double-rotor system based on micro speed difference | |
| CN104165729A (en) | Dynamic balancing method for high-speed rotors | |
| Iorgulescu et al. | Noise and vibration monitoring for diagnosis of DC motor's faults | |
| KR102559570B1 (en) | Method and system for providing simulation models of electric rotating machines | |
| JPH0222327B2 (en) | ||
| WO2021065663A1 (en) | Vibration analysis device and vibration measurement system | |
| US3280638A (en) | Machine for balancing rotors | |
| JP2018179977A (en) | State monitoring device, state monitoring system and state monitoring method | |
| JP7389303B1 (en) | Data extraction device and abnormality monitoring device | |
| TWI812482B (en) | Rotating mechanical system and balancing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |
|
| RJ01 | Rejection of invention patent application after publication |