CN109668686A - A kind of dynamic balance measuring device and its method - Google Patents

A kind of dynamic balance measuring device and its method Download PDF

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Publication number
CN109668686A
CN109668686A CN201811516468.0A CN201811516468A CN109668686A CN 109668686 A CN109668686 A CN 109668686A CN 201811516468 A CN201811516468 A CN 201811516468A CN 109668686 A CN109668686 A CN 109668686A
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China
Prior art keywords
momenttum wheel
measuring device
momenttum
wheel
vibration
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Pending
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CN201811516468.0A
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Chinese (zh)
Inventor
张广林
乔永亮
魏新生
施雷
刘荣林
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Shanghai Aerospace Control Technology Institute
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Shanghai Aerospace Control Technology Institute
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Priority to CN201811516468.0A priority Critical patent/CN109668686A/en
Publication of CN109668686A publication Critical patent/CN109668686A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00Testing static or dynamic balance of machines or structures
    • G01M1/14Determining imbalance
    • G01M1/16Determining imbalance by oscillating or rotating the body to be tested

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Balance (AREA)

Abstract

The invention discloses a kind of dynamic balance measuring device and its method, which includes dynamic balancing machine and power supply speed measuring device;Dynamic balancing machine includes vibration measurement component and dynamic balancing machine solver, wherein the vibration measurement component includes: that vibration measurement component is equipped with a bracket, the branch is provided with a sensor, obtains vibration measurement data for measuring vibration caused by momenttum wheel rotor;Speed measuring device driving momenttum wheel rotor of powering rotates, and measurement momenttum wheel rotor speed is default simultaneously and detects motor electrical null position;Dynamic balancing machine solver obtains amount of unbalance and its relative position of momenttum wheel according to acquisition momenttum wheel rotor speed and motor electrical null position and in conjunction with vibration measurement data.The present invention utilizes existing installation interface on momenttum wheel, it is aided with the unilateral side that momenttum wheel is placed in bracket by weighting distribution wheel, momenttum wheel rotor speed and default, detection motor electrical null position are obtained using power supply speed measuring device, in conjunction with the vibration measurement data of Vibration-Measuring System, data combination obtains numerical value and the relative position of momenttum wheel rotor unbalance value.

Description

A kind of dynamic balance measuring device and its method
Technical field
The present invention relates to satellite momentum wheel design fields, and in particular to a kind of high-speed sealing momenttum wheel is dynamic with high-precision Balancing a survey method.
Background technique
Momenttum wheel dynamic balancing measurement is usually to carry out before wheel body is packed into vacuum (-tight) housing and welded seal.Existing measurement Method is by the driving of wheel body revolving speed using power supply-speed measuring equipment to rotating speed of target, by dynamic balancing machine measuring rotating speed, mechanical zero with The related datas such as vibration.As shown in Figure 1, 2,2 ' both ends of the wheel body difference mounting flange tooling 1 ' and stud of motor will be installed 3 ', and be placed on bracket 5 ', then compressed with briquetting 4 '.It is marked on wheel body with marking pen, it is infrared on dynamic balancing machine Probe 7 ' measures wheel body revolving speed by identifying the label, and determines the phase of wheel body amount of unbalance labeled as mechanical zero with this To position, meanwhile, the sensor 6 ' on bracket 5 ' can measure wheel body vibration data, finally be taken turns by dynamic balancing machine data combination The amount of unbalance of body and its relative position.There are two o'clock deficiencies for the measurement method, first is that this method is only applicable to exposed wheel body Dynamic balancing measurement is then unable to measure for wheel body is assembled to the momenttum wheel in vacuum (-tight) housing and sealed, and in actual production, Due to assembly manipulation, environmental test, part cooperation etc. certain shadow can be caused to the whole residual unbalance, of momenttum wheel It rings, it is therefore necessary to dynamic balancing detection be carried out to it before momenttum wheel product is delivered;Second is that using infrared probe identification machinery zero The method of position measures wheel body revolving speed, it will usually which there is a certain error, this causes the measurement result of amount of unbalance also to be deposited indirectly In certain deviation, to influence the quality and reliability of momenttum wheel product.In view of the problem present on, need to propose one kind For the high-precision balancing measuring method of high-speed sealing momenttum wheel.
Summary of the invention
The object of the present invention is to provide a kind of dynamic balance measuring device and its methods, are connect using installation existing on momenttum wheel Mouthful, be aided with the unilateral side that momenttum wheel is placed in bracket by weighting distribution wheel, using power supply speed measuring device come obtain momenttum wheel rotor speed and Default, detection motor electrical null position, in conjunction with the vibration measurement data of Vibration-Measuring System, data combination obtains momenttum wheel rotor not The numerical value of aequum and relative position.
In order to achieve the goal above, the present invention is achieved by the following technical solutions:
A kind of dynamic balance measuring device, its main feature is that, including dynamic balancing machine and power supply speed measuring device;
The dynamic balancing machine includes vibration measurement component and dynamic balancing machine solver, wherein the vibration measurement component Include:
The vibration measurement component is equipped with a bracket, and the branch is provided with a sensor, for measuring momentum rotation Vibration caused by sub obtains vibration measurement data;
The power supply speed measuring device driving momenttum wheel rotor rotation, measurement momenttum wheel rotor speed is default simultaneously and detects Motor electrical null position;
The dynamic balancing machine solver is according to acquisition momenttum wheel rotor speed and motor electrical null position and vibration is combined to survey Amount data obtain amount of unbalance and its relative position of momenttum wheel.
The vibration measurement component includes:
Weighting distribution wheel, the two sides for the bracket that is placed in momenttum wheel;
Support rod, adapter flange, described support rod one end are set as flange arrangement, are connected to adapter flange, other end connection In weighting distribution wheel, the adapter flange connection support bar and momenttum wheel.
The described power supply speed measuring device identification is connected the mutation of Hall sensor signal in motor with momenttum wheel, it is described suddenly You are preset as motor electrical null position at the mutation of sensor signal.
A kind of measurement method using above-mentioned dynamic balance measuring device, the measurement method include the following steps:
Adapter flange is connected on momenttum wheel by S1, then support rod is fastened on adapter flange, in the support rod other end Weighting distribution wheel is connected, momentum wheel system to be measured is formed;
S2, the momentum wheel system to be measured connected are fixed on bracket, and with briquetting with they sup-port;
S3, the caused vibration of measurement momenttum wheel rotor obtain vibration measurement data;
S4, power supply speed measuring device are connected with momenttum wheel, open power supply speed measuring device, and be powered driving momenttum wheel, preset simultaneously Motor electrical null position;
S5, after momenttum wheel revolving speed reaches rotating speed of target and stablizes, dynamic balancing machine solver turns according to momenttum wheel rotor is obtained Speed and motor electrical null position and amount of unbalance and its relative position that momenttum wheel is obtained in conjunction with vibration measurement data.
After the step S2 further include:
Bracket spacing L, momenttum wheel rotor c.g. to farthest distance between the fulcrum c are measured, by momenttum wheel rotor thickness b, momentum Wheel radius r and L, c are input in dynamic balancing machine solver, and are selected using weightening finish method mode or duplicate removal method mode.
Motor electrical null position is preset in the step S4 includes:
The described power supply speed measuring device identification is connected the mutation of Hall sensor signal in motor with momenttum wheel, it is described suddenly You are preset as motor electrical null position at the mutation of sensor signal.
Compared with prior art, the present invention having the advantage that
The method for replacing infrared probe identification wheel body label mechanical zero using the method for default motor electrical null position, so that Dynamic balancing detection can be carried out to the high speed momenttum wheel sealed;And-momenttum wheel the rotor speed that measures of speed measuring equipment of powering Precision will be apparently higher than the method that dynamic balancing machine identifies wheel body mechanical zero by infrared probe, this is also improved to a certain extent Dynamically balanced measurement accuracy, improves the quality and reliability of momenttum wheel product.
Detailed description of the invention
Fig. 1 is the wheel body dynamic balancing measurement schematic diagram of the prior art;
Fig. 2 is dynamic balancing measurement method schematic diagram in the prior art;
Fig. 3 is a kind of structural schematic diagram of dynamic balance measuring device of the present invention;
Fig. 4 is the position signal timing diagram of motor Hall sensor;
Fig. 5 is unilateral dynamic balancing measurement method schematic diagram.
Specific embodiment
The present invention is further elaborated by the way that a preferable specific embodiment is described in detail below in conjunction with attached drawing.
As shown in figure 3, a kind of dynamic balance measuring device, including dynamic balancing machine and power supply speed measuring device;The dynamic balancing Machine includes vibration measurement component and dynamic balancing machine solver, wherein the vibration measurement component includes: the vibration measurement Component is equipped with a bracket 5, and the branch is provided with a sensor 6, for measuring momenttum wheel rotor due to mass eccentricity, bearing diameter Vibration measurement data are obtained to vibration caused by the factors such as bounce;The power supply speed measuring device driving momenttum wheel rotor rotation, Measurement momenttum wheel rotor speed is default simultaneously and detects motor electrical null position;The dynamic balancing machine solver is according to acquisition momentum Wheel rotor speed and motor electrical null position and amount of unbalance and its relative position that momenttum wheel is obtained in conjunction with vibration measurement data.
The vibration measurement component includes: weighting distribution wheel 8, and weighting distribution wheel 8 and momenttum wheel 11 are placed in 5 two sides of bracket, with System balancing is kept, center is threaded circular hole;Support rod 9, one end are flange arrangements, are connected using screw and adapter flange 10 It connects, the other end is external thread structure, for connecting weighting distribution wheel 8;Adapter flange 10 utilizes mechanical erection intrinsic on momenttum wheel 11 Interface, for connection support bar 9 and momenttum wheel 11.
The Hall sensor signal in motor as shown in figure 4, the power supply speed measuring device identification is connected with momenttum wheel 11 Mutation, the mutation of the Hall sensor signal are preset as motor electrical null position, replace infrared probe to identify exposed wheel with this The method of the mechanical zero marked on body realizes the survey of the inspection to the momenttum wheel rotor unbalance value being sealed in vacuum (-tight) housing Amount would generally specifically, in momenttum wheel motor stator fill the Hall sensor there are three same model specification to measure momentum Rotor speed is taken turns, the position signal timing diagram of Hall sensor is as shown in figure 4, its graph curve is square wave, by presetting Hall The moment of square-wave signal mutation is electrical null position, and when motor drives the rotation of momenttum wheel rotor, system can be electrical by identifying Zero-bit determines the relative position of momenttum wheel rotor unbalance value.
The momenttum wheel rotor speed obtained for electrical measurement speed variator measurement replaces infrared probe to identify the machinery of exposed wheel body The method of the resulting momenttum wheel rotor speed of zero measurement controls the measurement accuracy of revolving speed within 1rpm, to a certain degree On improve the measurement accuracy of momenttum wheel rotor dynamic balancing.
A kind of measurement method using above-mentioned dynamic balance measuring device, the measurement method include the following steps:
Adapter flange 10 is connected by screw on momenttum wheel 11 by S1, then support rod 9 is fastened on switching method with screw On orchid 10, and in 9 other end of support rod, weighting distribution wheel 8 is connected with it by screw thread, and momentum wheel system to be measured is formed;
S2, the momentum wheel system to be measured connected is supported on bracket 5 with support rod 9, and is fixed with briquetting 4, is used Dimensional measuring instrument measures bracket spacing L, momenttum wheel rotor c.g. to the parameters such as farthest distance between the fulcrum c, by momenttum wheel rotor Two parameter values that thickness b, momenttum wheel duplicate removal (or weight gain) radius r are measured with more than are input in dynamic balancing machine solver, And it selects using weightening finish method mode or duplicate removal method mode, as shown in Figure 5;
S3, the caused vibration of measurement momenttum wheel rotor obtain vibration measurement data;
S4, by power supply-speed measuring equipment and the cable connection of momenttum wheel 11, to power and obtain momenttum wheel rotor speed with Default, detection motor electrical null position, by power supply speed measuring device and dynamic balancing machine solver by cable connection, to transmit momentum Rotor speed and motor electrical null position data are taken turns, power supply speed measuring device is opened, be powered driving momenttum wheel, presets in the slow-speed of revolution Motor electrical null position;
S5, after momenttum wheel revolving speed reaches rotating speed of target and stablizes, dynamic balancing machine solver turns according to momenttum wheel rotor is obtained Speed and motor electrical null position and amount of unbalance and its relative position that momenttum wheel is obtained in conjunction with vibration measurement data, compare related mark Standard, examines whether momenttum wheel product meets the requirements.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (6)

1. a kind of dynamic balance measuring device, which is characterized in that including dynamic balancing machine and power supply speed measuring device;
The dynamic balancing machine includes vibration measurement component and dynamic balancing machine solver, wherein the vibration measurement component packet It includes:
The vibration measurement component is equipped with a bracket, and the branch is provided with a sensor, draws for measuring momenttum wheel rotor The vibration risen obtains vibration measurement data;
The power supply speed measuring device driving momenttum wheel rotor rotation, measurement momenttum wheel rotor speed is default simultaneously and detects motor Electrical null position;
The dynamic balancing machine solver is according to acquisition momenttum wheel rotor speed and motor electrical null position and combines vibration measurement number According to the amount of unbalance and its relative position for obtaining momenttum wheel.
2. dynamic balance measuring device as described in claim 1, which is characterized in that the vibration measurement component includes:
Weighting distribution wheel, the two sides for the bracket that is placed in momenttum wheel;
Support rod, adapter flange, described support rod one end are set as flange arrangement, are connected to adapter flange, and the other end, which is connected to, matches Roller, the adapter flange connection support bar and momenttum wheel.
3. dynamic balance measuring device as described in claim 1, which is characterized in that the power supply speed measuring device identification and momentum The mutation of Hall sensor signal in connected motor is taken turns, the mutation of the Hall sensor signal is preset as motor electrical zero Position.
4. a kind of measurement method using dynamic balance measuring device as described in any one of claims 1-3, which is characterized in that institute The measurement method stated includes the following steps:
Adapter flange is connected on momenttum wheel by S1, then support rod is fastened on adapter flange, is connected in the support rod other end Weighting distribution wheel forms momentum wheel system to be measured;
S2, the momentum wheel system to be measured connected are fixed on bracket, and with briquetting with they sup-port;
S3, the caused vibration of measurement momenttum wheel rotor obtain vibration measurement data;
S4, power supply speed measuring device are connected with momenttum wheel, open power supply speed measuring device, and be powered driving momenttum wheel, while default motor Electrical null position;
S5, after momenttum wheel revolving speed reaches rotating speed of target and stablizes, dynamic balancing machine solver according to obtain momenttum wheel rotor speed and Motor electrical null position and amount of unbalance and its relative position that momenttum wheel is obtained in conjunction with vibration measurement data.
5. measurement method as claimed in claim 4, which is characterized in that after the step S2 further include:
Bracket spacing L, momenttum wheel rotor c.g. to farthest distance between the fulcrum c are measured, by momenttum wheel rotor thickness b, momenttum wheel half Diameter r and L, c are input in dynamic balancing machine solver, and are selected using weightening finish method mode or duplicate removal method mode.
6. measurement method as claimed in claim 4, which is characterized in that preset motor electrical null position packet in the step S4 It includes:
The described power supply speed measuring device identification is connected the mutation of Hall sensor signal in motor with momenttum wheel, the Hall biography The mutation of sensor signal is preset as motor electrical null position.
CN201811516468.0A 2018-12-12 2018-12-12 A kind of dynamic balance measuring device and its method Pending CN109668686A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112414618A (en) * 2020-10-13 2021-02-26 深圳航天科技创新研究院 Weight removal system for momentum wheel and weight removal method for momentum wheel
WO2022123092A1 (en) * 2020-12-09 2022-06-16 Nazca Ingeniería, S.L. Device for balancing of a wheel
CN115183941A (en) * 2022-09-08 2022-10-14 哈尔滨工程大学 Rotor dynamic balance gravity center measuring device

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095555A (en) * 2010-12-07 2011-06-15 西安交通大学 High-speed spindle on-line automatic balancing experiment system
CN201926542U (en) * 2010-12-31 2011-08-10 攀钢集团钢铁钒钛股份有限公司 On-line dynamic balance device and on-line dynamic balance system
CN102628725A (en) * 2011-12-07 2012-08-08 兰州理工大学 Special dynamic balancing machine of scroll compressor
CN102890477A (en) * 2012-09-26 2013-01-23 西安交通大学 On-line active dynamic balance measurement and control device and on-line active dynamic balance measurement and control method
CN105222959A (en) * 2015-09-21 2016-01-06 天津职业技术师范大学 Amount of unbalance on-line monitoring in a kind of disc type work processing and De-weight method
US20160084727A1 (en) * 2014-09-23 2016-03-24 Agilent Technologies, Inc. Apparatus and method for dynamically balancing rotors
CN105811828A (en) * 2014-12-30 2016-07-27 上海新跃仪表厂 Flywheel rotating speed control device and method based on linear Hall sensors
CN106610332A (en) * 2017-03-13 2017-05-03 哈尔滨朗格科技开发有限公司 Balancing machine for detecting electric vehicle wheels and method for detecting unbalance mass in dynamic and static balance using same
CN206349900U (en) * 2016-08-15 2017-07-21 刘世超 A kind of brushless electric machine of application linear hall sensor
CN207215372U (en) * 2017-08-23 2018-04-10 天津捷通京能动力设备有限公司 A kind of fan rotor dynamic balance running device
CN207215369U (en) * 2017-08-24 2018-04-10 广东中兴液力传动有限公司 A kind of fluid-flywheel clutch volume dynamic balance test tool

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095555A (en) * 2010-12-07 2011-06-15 西安交通大学 High-speed spindle on-line automatic balancing experiment system
CN201926542U (en) * 2010-12-31 2011-08-10 攀钢集团钢铁钒钛股份有限公司 On-line dynamic balance device and on-line dynamic balance system
CN102628725A (en) * 2011-12-07 2012-08-08 兰州理工大学 Special dynamic balancing machine of scroll compressor
CN102890477A (en) * 2012-09-26 2013-01-23 西安交通大学 On-line active dynamic balance measurement and control device and on-line active dynamic balance measurement and control method
US20160084727A1 (en) * 2014-09-23 2016-03-24 Agilent Technologies, Inc. Apparatus and method for dynamically balancing rotors
CN105811828A (en) * 2014-12-30 2016-07-27 上海新跃仪表厂 Flywheel rotating speed control device and method based on linear Hall sensors
CN105222959A (en) * 2015-09-21 2016-01-06 天津职业技术师范大学 Amount of unbalance on-line monitoring in a kind of disc type work processing and De-weight method
CN206349900U (en) * 2016-08-15 2017-07-21 刘世超 A kind of brushless electric machine of application linear hall sensor
CN106610332A (en) * 2017-03-13 2017-05-03 哈尔滨朗格科技开发有限公司 Balancing machine for detecting electric vehicle wheels and method for detecting unbalance mass in dynamic and static balance using same
CN207215372U (en) * 2017-08-23 2018-04-10 天津捷通京能动力设备有限公司 A kind of fan rotor dynamic balance running device
CN207215369U (en) * 2017-08-24 2018-04-10 广东中兴液力传动有限公司 A kind of fluid-flywheel clutch volume dynamic balance test tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112414618A (en) * 2020-10-13 2021-02-26 深圳航天科技创新研究院 Weight removal system for momentum wheel and weight removal method for momentum wheel
WO2022123092A1 (en) * 2020-12-09 2022-06-16 Nazca Ingeniería, S.L. Device for balancing of a wheel
CN115183941A (en) * 2022-09-08 2022-10-14 哈尔滨工程大学 Rotor dynamic balance gravity center measuring device

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Application publication date: 20190423