CN118067305A - Mechanical part balance test system and method based on safe production - Google Patents
Mechanical part balance test system and method based on safe production Download PDFInfo
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Abstract
The invention discloses a mechanical component balance test system and a mechanical component balance test method based on safe production, which relate to the technical field of mechanical component test and comprise an equipment module, wherein the equipment module comprises a balance machine unit, a clamp unit and a mechanical component; the data acquisition module comprises a sensor unit and a data processing unit; the testing module is used for determining whether the mechanical component is balanced when rotating, the control module comprises a control unit and an adjusting unit, the control unit is used for controlling the starting, stopping and speed change of the balancing machine, and the adjusting unit is used for formulating an adjusting strategy for unbalanced mechanical components according to a testing result: through being provided with test module, can demonstrate the unbalance amount that distributes in a plurality of directions directly perceivedly in the in-process of carrying out balanced test to the irregular mechanical part of surface, help the staff to judge the position that mechanical part needs the adjustment, be convenient for follow-up improvement to mechanical part.
Description
Technical Field
The invention relates to the technical field of mechanical component testing, in particular to a mechanical component balance testing system and method based on safe production.
Background
The main purpose of the system is to ensure the stability of the mechanical parts during rotation, reduce vibration and noise, improve mechanical efficiency and extend the life of the equipment, and the following are some key information about the mechanical parts balance test system;
The static balancing method is generally classified into a static balancing method in which a rotating member to be tested is placed on a support and weight distribution at different positions is measured using a calibrator or a weight scale. Through adjusting the gravity center position, the rotating part can reach a static state at any position to reach static balance; the dynamic balance method is to test the rotating component in the running state and adjust the gravity center positions at different positions according to the test result, and the method can more accurately detect the unbalance condition and perform corresponding adjustment;
However, for some parts with complex geometries, such as twisted axis or asymmetric impeller members, it may be difficult to accurately measure and correct because the amount of unbalance may be distributed in multiple directions, it may be difficult to determine where the mechanical part needs to be adjusted, and the adjustment of the mechanical part requires multiple iterative adjustments, and it may be difficult for a staff to know the approximate time required for the overall test for a complex mechanical part structure, creating negative emotions.
Disclosure of Invention
In order to solve the problems, the invention provides a mechanical part balance test system and a mechanical part balance test method based on safe production.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A safety-production-based mechanical component balance testing system, comprising:
The equipment module comprises a balancing machine unit, a clamp unit and a mechanical component, wherein the clamp unit is arranged on the surface of the balancing machine unit and is used for fixing the mechanical component, and the balancing machine unit is used for carrying out balance test on the mechanical component;
The data acquisition module comprises a sensor unit, wherein the sensor unit comprises a vibration sensor and a speed sensor and is used for capturing vibration data and rotation speed of a mechanical component when the mechanical component rotates;
the test module is used for determining whether the mechanical component is balanced when rotating, and specifically comprises the following components:
The speed gears of the four balancing machine units are preset and respectively marked as a first gear, a second gear, a third gear and a fourth gear;
Obtaining vibration amplitude of the mechanical component in the speed gears of the four balancing machine units, and marking the vibration amplitude as A;
Obtaining the angular frequency of the mechanical component in the speed gears of the four balancing machine units and marking as ；
Acquiring the phase angles of the mechanical component in the speed gears of the four balancing machine units and marking as；
According to the formulaCalculating to obtain vibration value of the mechanical component in unit time t；
A threshold value of vibration value is preset and marked asVibration value is measuredAnd a vibration value thresholdFor comparison, if the vibration value isGreater than the threshold vibration valueJudging that the mechanical component is unbalanced, and if not, judging that the mechanical component passes a balance test;
the control module comprises an adjusting unit which is used for making an adjusting strategy for unbalanced mechanical components according to the test result.
Preferably, the test module further comprises an analysis unit, and the analysis unit is configured to obtain an unbalance amount of the mechanical component with unbalance, specifically:
obtaining the distance between the rotation center of the mechanical part and the sensor unit and marking as ；
According to the formulaCalculating to obtain unbalance force of the mechanical component；
According to the formulaObtaining equivalent unbalance through calculation，。
Preferably, the analysis unit is further configured to determine a direction of the unbalance amount of the mechanical component, specifically:
the direction of the unbalance amount passes through the phase angle Determining;
Phase angle Determining angle, first determining phase angleJudging whether the phase angle is 0 degree, 180 degree and 360 degree, and judging the phase angle0 ° To 180 ° or between 180 ° to 360 °;
if the phase angle is At 0 ° or 360 °, an unbalance amount is located directly above the sensor unit; if the phase angle is 180 °, the unbalance is located directly below the sensor unit;
if the phase angle is Between 0 ° and 180 °, the unbalance is located on the left side of the sensor unit;
if the phase angle is Between 180 deg. and 360 deg., the unbalance is also located on the right side of the sensor unit, if the phase angle isApproximately 180 °, the unbalance being located opposite the sensor unit; if the phase angle isNear 360 deg., the unbalance is near the starting reference point.
Preferably, the analysis unit is further configured to determine a position of the unbalance amount, specifically:
Acquiring the radius of the rotating part of the balancing machine unit and marking as ；
According to the formulaCalculating to obtain the position offset of the unbalance amount in the horizontal direction；
According to the formulaCalculating to obtain the position offset of the unbalance amount in the vertical direction。
Preferably, the control module is further configured to obtain a three-dimensional model of the mechanical component, specifically:
Constructing a three-dimensional coordinate system by taking the central position of the balancing machine unit rotating part as an origin, taking the left-right direction as an X axis, taking the front-back direction as a Y axis and taking the vertical direction as a Z axis;
the data acquisition unit further comprises a camera unit, the camera unit comprises three groups of cameras in the directions of an X axis, a Y axis and a Z axis of a coordinate system, and image data of the mechanical component in three directions are obtained through the cameras in the three directions;
Acquiring three-dimensional coordinates of the mechanical component on a coordinate system according to the image data, and establishing a three-dimensional model of the mechanical component;
The camera shooting device is characterized by further comprising a man-machine interaction unit, wherein the man-machine interaction unit comprises a display screen, and the display screen is used for receiving information of the camera shooting unit and displaying a three-dimensional model and coordinates of the mechanical component.
Preferably, the adjustment strategy is:
According to the formula Calculating to obtain the adjustment position of the mechanical component in the horizontal direction；
According to the formulaCalculating to obtain the adjustment position of the mechanical component in the vertical direction；
The corresponding weight adjustment of the mechanical component is performed according to the adjustment position and the corresponding unbalance amount.
Preferably, the display screen is further used for obtaining the adjustment position of the mechanical component in the horizontal directionAnd an adjustment position in a direction perpendicular to the mechanical memberDisplayed on a three-dimensional model of the mechanical component;
the display screen is also used for measuring unbalance Is displayed at the adjusting position of the mechanical component in the horizontal directionAnd an adjustment position in a direction perpendicular to the mechanical memberAnd (3) upper part.
Preferably, the control module further comprises an iteration unit for detecting an unbalance amount according to the first time in the course of the iteration testEstimating the number of iterations required, specifically:
A threshold value of the unbalance amount of the mechanical component is preset and marked as ；
The unbalance of the mechanical component obtained by the calculationSet as the initial unbalance amount and marked as；
According to the formulaCalculating to obtain the variation of the unbalance amount of the mechanical part after each iterationWherein, the method comprises the steps of, wherein,As the amount of unbalance after the i-th iteration,Representing the percentage of the unbalance amount reduced in each iteration to the current unbalance amount for a preset proportionality coefficient;
Limiting ; Where n is the iteration reaching a threshold value corresponding to the unbalance of the mechanical componentThe number of iterations required;
Obtaining a formula ；
Transforming to obtain formula nCalculating a threshold value corresponding to the unbalance amount of the mechanical componentThe minimum number of iterations n required, whereIs natural logarithm.
Preferably, the preset proportionality coefficient α is obtained in the following manner, which specifically is:
According to the formula Calculating to obtain the reduction ratio of the unbalance amount of each iteration；
According to the formulaCalculating to obtain the reduction ratio of each iterationWherein N is the historical iteration times of the mechanical component with the same specification;
According to the formula WhereinIs a preset correction factor.
On the other hand, the invention also provides a mechanical part balance test method based on safe production, which comprises the following steps:
Step one: collecting vibration data and rotation speed of a mechanical component during rotation;
step two: calculating a vibration value of a mechanical component in unit time t according to the obtained information, and judging whether the mechanical component meets the balance requirement;
step three: and setting an adjustment strategy for the unbalanced mechanical component according to the test result.
The beneficial effects are that: by the aid of the test module, unbalance amounts distributed in multiple directions can be intuitively displayed in the process of carrying out balance test on the mechanical components with irregular surfaces, workers are helped to judge positions of the mechanical components to be adjusted, and follow-up improvement on the mechanical components is facilitated;
By the aid of the control module, required iteration times can be estimated approximately when the complex mechanical component structure is subjected to iteration adjustment, workers are helped to know approximate time required by overall test, and planning of the workers on time is facilitated.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a system block diagram of the present invention.
Detailed Description
As shown in fig. 1 to 2:
A safety-production-based mechanical component balance testing system, comprising:
The equipment module comprises a balancing machine unit, a clamp unit and a mechanical part; the balancing machine unit selects a balancing machine suitable for the size and weight of the mechanical component, the clamp unit is used for fixing the asymmetric mechanical component, and the stability and the safety of the mechanical component in the testing process are ensured;
The data acquisition module comprises a sensor unit; the sensor unit comprises a vibration sensor and a speed sensor, and is used for capturing vibration data and rotation speed of the mechanical component during rotation;
the test module is used for determining whether the mechanical component is balanced when rotating, and specifically comprises the following components:
Speed gears of the rotating assemblies in the four balancing machine units are preset and respectively marked as a first gear, a second gear, a third gear and a fourth gear; it should be noted that the first gear, the second gear, the third gear and the fourth gear are respectively the lowest working speed, the highest working speed, the critical speed and the intermediate speed, the lowest working speed is the minimum speed of the rotating component in practical application, the testing can ensure that no obvious unbalance problem exists in the low-speed operation, the highest working speed is the design or the maximum safe speed of the rotating component, the testing is performed at the speed to ensure the balance of the component in the high-speed operation, the vibration and the potential damage caused by the high-speed rotation are avoided, the critical speed is the natural frequency of the rotating component, namely the rotating speed at which the component starts to generate resonance, the testing is performed at the speed to evaluate and avoid resonance phenomenon, the intermediate speed is a plurality of speed points between the lowest working speed and the highest working speed, the balance in the whole operation range is ensured, the difference of speeds can influence the vibration characteristics, the vibration amplitude is generally increased due to the effect of centrifugal force, and different speeds can possibly excite different vibration modes, so that the rotating component can be comprehensively evaluated at a plurality of speeds;
Obtaining vibration amplitude of the mechanical part under the speed gears of the four balancing machine units, and marking the vibration amplitude as A; the vibration amplitude describes the intensity or magnitude of vibration of the rotating member, and the vibration amplitude may be represented by different physical quantities, and is commonly: displacement, the distance that the direct measurement part moves in the course of vibrating; speed, measuring the change of the moving speed of the vibrator in unit time; acceleration, which describes how fast the speed of the vibrator changes, i.e. the amount of change in speed per unit time, can provide an overall measure of vibration intensity and is related to the vibration energy;
obtaining the angular frequency of the mechanical component in the speed gear of the four balancing machine units and marking as ; It should be noted that, the angular frequency obtaining mode specifically includes: collecting vibration signals of the rotating component in real time by using a vibration sensor, converting the collected analog signals into digital signals, and performing signal conversion by using an analog-to-digital converter; then, the digital signal is subjected to fourier transform (FFT) or other frequency analysis method to identify the main frequency component in the signal, the FFT converts the time domain signal into frequency domain signal and provides the amplitude and phase information of each frequency component, and finally, the main frequency component related to the rotation speed is identified from the FFT result, the frequency is the vibration frequency and is marked as；
According to the formulaObtaining the angular frequency by calculation；
Acquiring the phase angle of the mechanical component in the speed gears of the four balancing machine units and marking as; In addition to the amplitude information of each frequency component, the FFT analysis also obtains corresponding phase information, and extracts the phase of a specific frequency component from the FFT result, which is the phase angle of the vibration signal at that frequency；
According to the formulaObtaining the vibration value of the mechanical component in unit time t through calculation；
A threshold value of vibration value is preset and marked asVibration value is measuredAnd a vibration value thresholdFor comparison, if the vibration value isGreater than the threshold vibration valueJudging that the mechanical component is unbalanced, and if not, judging that the mechanical component passes the balance test;
The control module comprises a control unit and an adjusting unit, the control unit is used for controlling the starting, stopping and speed change of the balancing machine, and the adjusting unit is used for making an adjusting strategy for unbalanced mechanical parts according to the test result.
As an alternative embodiment: the test module further comprises an analysis unit for obtaining the unbalance amount of the mechanical component with unbalance, specifically:
The distance between the rotation center of the mechanical part and the sensor unit is obtained and marked as ；
According to the formulaCalculating to obtain unbalance force of mechanical component；
According to the formulaObtaining equivalent unbalance through calculation。
As an alternative embodiment: the analysis unit is also used for determining the direction of the unbalance amount, specifically:
the direction of the unbalance amount passes through the phase angle Determining; it should be noted that the phase angle of the axial vibration is not generally used to directly determine the direction of the unbalance amount, because the axial vibration is generally related to the bearing housing, bending of the shaft, gear engagement or other dynamic effects occurring along the axis, and in balance testing we focus mainly on the radial vibration, the phase angle proposed in this exampleIs radial;
also, the phase angle is Acquired by a radial vibration sensor for measuring a vibration component perpendicular to the rotation axis, i.e., radial vibration, installed at the side of the rotary member of the balancing machine unit, perpendicular to the rotation axis, so as to capture the radial vibration;
Phase angle Determining angle, first determining phase angleJudging whether the phase angle is 0 degree, 180 degree and 360 degree, and judging the phase angle0 ° To 180 ° or between 180 ° to 360 °;
if the phase angle is At 0 ° or 360 °, the unbalance is located directly above the sensor unit; if the phase angle is 180 °, the unbalance is located directly below the sensor unit;
if the phase angle is Between 0 ° and 180 °, the unbalance is located to the left of the sensor unit, in particular if the phase angle is close to 0 °, the unbalance is closer to the starting reference point of the sensor unit; if the phase angle isApproaching 180 °, the unbalance is further away from this reference point, located opposite the sensor unit.
If the phase angle isBetween 180 deg. and 360 deg., the unbalance is also located on the right side of the sensor unit if the phase angle isApproximately 180 °, the unbalance is located opposite the sensor unit; if the phase angle isNear 360 deg., the unbalance is near the starting reference point.
As an alternative embodiment: the analysis unit is further configured to determine a position of the unbalance amount, specifically:
obtaining the radius of the rotating part of the balancing machine unit and marking as ；
According to the formulaCalculating to obtain the position offset of the unbalance amount in the horizontal direction；
According to the formulaCalculating to obtain the position offset of the unbalance amount in the vertical direction。
As an alternative embodiment: the control module is also used for acquiring a three-dimensional model of the mechanical component, specifically:
Constructing a three-dimensional coordinate system by taking the central position of the balancing machine unit rotating part as an origin, taking the left-right direction as an X axis, taking the front-back direction as a Y axis and taking the vertical direction as a Z axis;
the data acquisition unit further comprises a camera unit, the camera unit comprises three groups of cameras in the directions of an X axis, a Y axis and a Z axis of a coordinate system, and image data of the mechanical component in three directions are obtained through the cameras in the three directions;
Acquiring three-dimensional coordinates of the mechanical component on a coordinate system according to the image data, and establishing a three-dimensional model of the mechanical component;
The camera shooting device is characterized by further comprising a man-machine interaction unit, wherein the man-machine interaction unit comprises a display screen, and the display screen is used for receiving information of the camera shooting unit and displaying a three-dimensional model and coordinates of the mechanical component.
As an alternative embodiment: the adjustment strategy is:
According to the formula Calculating to obtain the adjustment position of the mechanical component in the horizontal direction；
According to the formulaCalculating to obtain the adjustment position of the mechanical component in the vertical direction；
The corresponding weight adjustment of the mechanical component is performed according to the adjustment position and the corresponding unbalance amount. The balancing weight is the weight of the weight adjustment, and the position of the balancing weight needs to correspond to the position of the unbalanced force, that is, on the opposite side of the mechanical component, if the unbalanced force is on the right side of the mechanical component, the balancing weight should be added on the left side; if above the mechanical parts, a counter weight should be added below.
As an alternative embodiment: the display screen is also used for obtaining the adjustment position of the mechanical component in the horizontal directionAnd an adjustment position in a direction perpendicular to the mechanical memberDisplayed on a three-dimensional model of the mechanical component;
the display screen is also used for measuring unbalance Is displayed at the adjusting position of the mechanical component in the horizontal directionAnd an adjustment position in a direction perpendicular to the mechanical memberAnd (3) upper part. It should be noted that the location and size of the balancing weights may be graphically displayed on the geometric model of the machine component, indicating the specific location where the balancing weights are to be added or removed, providing the precise mass size of the balancing weights, guiding the operator how safely to cut or grind if the mass is to be removed, and guiding the operator how to select the appropriate balancing weights and fix them in the designated locations if the mass is to be added.
As an alternative embodiment: the control module also comprises an iteration unit for detecting unbalance amount according to the first time in the process of iteration testEstimating the number of iterations required, specifically:
It should be noted that, after each balancing experiment is finished, vibration test and data analysis need to be performed again until the unbalance amount is reduced to an acceptable range, and this process is called iteration;
a threshold value of unbalance amount of the mechanical component is preset and marked as ；
The unbalance of the mechanical component obtained by the calculationSet as the initial unbalance amount and marked as；
According to the formulaCalculating to obtain the variation of the unbalance amount of the mechanical part after each iterationWherein, the method comprises the steps of, wherein,As the amount of unbalance after the i-th iteration,Representing the percentage of the unbalance amount reduced in each iteration to the current unbalance amount for a preset proportionality coefficient;
Limiting ; Where n is the iteration reaching a threshold value corresponding to the unbalance of the mechanical partThe number of iterations required;
Obtaining a formula ；
Transforming to obtain formula nCalculating to obtain threshold value according with unbalance amount of mechanical componentThe minimum number of iterations n required, whereIs natural logarithm; it should be noted that n is an estimated value, so as to facilitate the staff to roughly know the number of iterations required, and facilitate the staff to schedule the working time.
As an alternative embodiment: the preset proportionality coefficient alpha is obtained by the following steps:
According to the formula Calculating to obtain the reduction ratio of the unbalance amount of each iteration；
According to the formulaCalculating to obtain the reduction ratio of each iterationWherein N is the historical iteration times of the mechanical parts with the same specification;
According to the formula WhereinIs a preset correction factor; it should be noted that the number of the substrates,The adjustment is made according to experience and expected efficiency in actual operation, since the efficiency of the test is gradually increased following the experience of the staff, in the present embodiment1.039.
On the other hand, the invention also provides a mechanical part balance test method based on safe production, which comprises the following steps:
Step one: collecting vibration data and rotation speed of a mechanical component during rotation;
step two: calculating a vibration value of a mechanical component in unit time t according to the obtained information, and judging whether the mechanical component meets the balance requirement;
step three: and setting an adjustment strategy for the unbalanced mechanical component according to the test result.
Working principle: by the aid of the test module, unbalance amounts distributed in multiple directions can be intuitively displayed in the process of carrying out balance test on the mechanical components with irregular surfaces, workers are helped to judge positions of the mechanical components to be adjusted, and follow-up improvement on the mechanical components is facilitated;
By the aid of the control module, required iteration times can be estimated approximately when the complex mechanical component structure is subjected to iteration adjustment, workers are helped to know approximate time required by overall test, and planning of the workers on time is facilitated.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention are intended to be considered as protecting the scope of the present template.
Claims (10)
1. A safety-production-based mechanical component balance test system, comprising:
The equipment module comprises a balancing machine unit, a clamp unit and a mechanical component, wherein the clamp unit is arranged on the surface of the balancing machine unit and is used for fixing the mechanical component, and the balancing machine unit is used for carrying out balance test on the mechanical component;
The data acquisition module comprises a sensor unit, wherein the sensor unit comprises a vibration sensor and a speed sensor and is used for capturing vibration data and rotation speed of a mechanical component when the mechanical component rotates;
the test module is used for determining whether the mechanical component is balanced when rotating, and specifically comprises the following components:
speed gears of the rotating assemblies in the four balancing machine units are preset and respectively marked as a first gear, a second gear, a third gear and a fourth gear;
Obtaining vibration amplitude of the mechanical component in the speed gears of the four balancing machine units, and marking the vibration amplitude as A;
Based on the rotation speed of the mechanical component during rotation, obtaining the angular frequency of the mechanical component in the speed gears of the four balancing machine units, and marking as ；
Acquiring the phase angles of the mechanical component in the speed gears of the four balancing machine units and marking as；
According to the formulaObtaining the vibration value/>, within the unit time t, of the mechanical component through calculation；
A threshold value of vibration value is preset and marked asVibration value/>And vibration value threshold/>For comparison, if vibration value/>Greater than the vibration value threshold/>Judging that the mechanical component is unbalanced, and if not, judging that the mechanical component passes a balance test;
the control module comprises an adjusting unit which is used for making an adjusting strategy for unbalanced mechanical components according to the test result.
2. The safety-based machine component balance testing system according to claim 1, wherein the testing module further comprises an analysis unit for obtaining an unbalance amount of the machine component with unbalance, in particular:
obtaining the distance between the rotation center of the mechanical part and the sensor unit and marking as ；
According to the formulaCalculating to obtain unbalanced force/>, of the mechanical component；
According to the formulaObtaining the equivalent unbalance/>, by calculation。
3. A machine component balance testing system based on safety production according to claim 3, characterized in that said analysis unit is further adapted to determine the direction of the unbalance of said machine component, in particular:
the direction of the unbalance amount passes through the phase angle Determining;
Phase angle Determining angle, firstly judging phase angle/>Whether the phase angle is 0 degree, 180 degree and 360 degree, and judging the phase angle/>0 ° To 180 ° or between 180 ° to 360 °;
if the phase angle is At 0 ° or 360 °, an unbalance amount is located directly above the sensor unit; if the phase angle is 180 °, the unbalance is located directly below the sensor unit;
if the phase angle is Between 0 ° and 180 °, the unbalance is located on the left side of the sensor unit;
if the phase angle is Between 180 deg. and 360 deg., the unbalance is likewise located on the right side of the sensor unit, if the phase angle/>Approximately 180 °, the unbalance being located opposite the sensor unit; if the phase angle/>Near 360 deg., the unbalance is near the starting reference point.
4. A machine component balance testing system based on safety production according to claim 3, characterized in that said analysis unit is also adapted to determine the position of the unbalance amount, in particular:
Acquiring the radius of the rotating part of the balancing machine unit and marking as ；
According to the formulaCalculating to obtain the position offset/>, in the horizontal direction, of the unbalance amount；
According to the formulaCalculating to obtain the position offset/>, in the vertical direction, of the unbalance amount。
5. The safety-production-based machine component balance testing system of claim 1, wherein the control module is further configured to obtain a three-dimensional model of the machine component, in particular:
Constructing a three-dimensional coordinate system by taking the central position of the balancing machine unit rotating part as an origin, taking the left-right direction as an X axis, taking the front-back direction as a Y axis and taking the vertical direction as a Z axis;
the data acquisition unit further comprises a camera unit, the camera unit comprises three groups of cameras in the directions of an X axis, a Y axis and a Z axis of a coordinate system, and image data of the mechanical component in three directions are obtained through the cameras in the three directions;
Acquiring three-dimensional coordinates of the mechanical component on a coordinate system according to the image data, and establishing a three-dimensional model of the mechanical component;
The camera shooting device is characterized by further comprising a man-machine interaction unit, wherein the man-machine interaction unit comprises a display screen, and the display screen is used for receiving information of the camera shooting unit and displaying a three-dimensional model and coordinates of the mechanical component.
6. The safety-based machine component balance testing system of claim 5, wherein the adjustment strategy is:
According to the formula Calculating and obtaining the adjustment position/>, in the horizontal direction, of the mechanical component；
According to the formulaCalculating and obtaining the adjustment position/>, in the vertical direction, of the mechanical component；
The corresponding weight adjustment of the mechanical component is performed according to the adjustment position and the corresponding unbalance amount.
7. The safety-based machine component balance testing system of claim 6, wherein said display screen is further adapted to obtain an adjusted position of said machine component in a horizontal directionAnd the adjustment position in the vertical direction of the mechanical component/>Displayed on a three-dimensional model of the mechanical component;
the display screen is also used for measuring unbalance Display of the adjustment position in the horizontal direction of the machine part/>And the adjustment position in the vertical direction of the mechanical component/>And (3) upper part.
8. The safety-based machine component balance testing system of claim 7, wherein the control module further comprises an iteration unit for detecting an imbalance amount based on the first time during the iteration testEstimating the number of iterations required, specifically:
A threshold value of the unbalance amount of the mechanical component is preset and marked as ；
The unbalance of the mechanical component obtained by the calculationSet as initial unbalance and marked as/>；
According to the formulaCalculating to obtain the variation/>, after each iteration, of the unbalance of the mechanical componentWherein/>For the unbalance amount after the ith iteration,/>Representing the percentage of the unbalance amount reduced in each iteration to the current unbalance amount for a preset proportionality coefficient;
Limiting ; Where n is the iteration reaching a threshold/>, which corresponds to the unbalance of the mechanical componentThe number of iterations required;
Obtaining a formula ；
Transforming to obtain formula nCalculating to obtain the threshold/>, which accords with the unbalance amount of the mechanical componentThe minimum number of iterations n required, where/>Is natural logarithm.
9. The mechanical component balance testing system based on safe production according to claim 8, wherein the preset proportionality coefficient α is obtained by the following specific steps:
According to the formula Calculating to obtain the reduction ratio/>, of the unbalance amount of each iteration；
According to the formulaCalculating and obtaining the reduction ratio/>, of each iterationWherein N is the historical iteration times of the mechanical component with the same specification;
According to the formula Wherein/>Is a preset correction factor.
10. A mechanical component balance test method based on safe production, which is applicable to the mechanical component balance test system based on safe production as claimed in claim 1, and is characterized by comprising the following steps:
Step one: collecting vibration data and rotation speed of a mechanical component during rotation;
step two: calculating a vibration value of a mechanical component in unit time t according to the obtained information, and judging whether the mechanical component meets the balance requirement;
step three: and setting an adjustment strategy for the unbalanced mechanical component according to the test result.
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| DE10153576A1 (en) * | 2001-10-29 | 2003-05-15 | Ima Materialforschung Und Anwe | Method for detecting balance errors in rigid rotors during their operation at variable speeds uses vibrational signals to detect amplitude and phase angle errors. |
| CN102628834A (en) * | 2012-03-30 | 2012-08-08 | 广东电网公司电力科学研究院 | Method for diagnosing blade breakage failure of large-sized steam turbine |
| CN111189930A (en) * | 2020-02-07 | 2020-05-22 | 哈尔滨工业大学（威海） | Crack detection method, system and equipment based on pipe body and storage medium |
| CN116696944A (en) * | 2023-05-09 | 2023-09-05 | 华中科技大学 | Unbalanced vibration suppression method and system for magnetic suspension bearing |
| WO2023219320A1 (en) * | 2022-05-10 | 2023-11-16 | 주식회사 디엔솔루션즈 | Device and method for correcting imbalance of machine tool rotary table |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10153576A1 (en) * | 2001-10-29 | 2003-05-15 | Ima Materialforschung Und Anwe | Method for detecting balance errors in rigid rotors during their operation at variable speeds uses vibrational signals to detect amplitude and phase angle errors. |
| CN102628834A (en) * | 2012-03-30 | 2012-08-08 | 广东电网公司电力科学研究院 | Method for diagnosing blade breakage failure of large-sized steam turbine |
| CN111189930A (en) * | 2020-02-07 | 2020-05-22 | 哈尔滨工业大学（威海） | Crack detection method, system and equipment based on pipe body and storage medium |
| WO2023219320A1 (en) * | 2022-05-10 | 2023-11-16 | 주식회사 디엔솔루션즈 | Device and method for correcting imbalance of machine tool rotary table |
| CN116696944A (en) * | 2023-05-09 | 2023-09-05 | 华中科技大学 | Unbalanced vibration suppression method and system for magnetic suspension bearing |
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