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RU1426165C - Method for reducing vibrations of multirotor mechanism - Google Patents

Method for reducing vibrations of multirotor mechanism

Info

Publication number
RU1426165C
RU1426165C SU04041109A SU4041109A RU1426165C RU 1426165 C RU1426165 C RU 1426165C SU 04041109 A SU04041109 A SU 04041109A SU 4041109 A SU4041109 A SU 4041109A RU 1426165 C RU1426165 C RU 1426165C
Authority
RU
Russia
Prior art keywords
vibration
rotors
rotor
frame
multirotor
Prior art date
Application number
SU04041109A
Other languages
Russian (ru)
Inventor
В.И. Папков
И.Д. Ямпольский
А.И. Роман
В.М. Толкачев
С.Д. Циммерман
Original Assignee
Предприятие П/Я М-5717
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я М-5717 filed Critical Предприятие П/Я М-5717
Priority to SU04041109A priority Critical patent/RU1426165C/en
Application granted granted Critical
Publication of RU1426165C publication Critical patent/RU1426165C/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/20Suppression of vibrations of rotating systems by favourable grouping or relative arrangements of the moving members of the system or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

Изобретение относитс  к машиностроению и может быть использовано дл  снижени  вибрации многороторных механизмов, возникающей на двойной чааоте вращени  из-за эллипсности опорных шеек ротороа Цель изобретени  - повышение эффективности снижени  вибрации на двойной частоте вращени  и ускорени  процесса минимизации вибрации. Осуществл ют измерение вибрации рамы 3 многороторного механизма при различном взаимном положении роторов 1 и 2. стро т график по результатам измерений, по которому определ ют угловое положение роторов, обеспечивающее минимум вибрации рамы, и осуществл ют разворот роторов 1 и 2 в положение, соответавующее минимуму вибрации 2 иаThe invention relates to mechanical engineering and can be used to reduce the vibration of multi-rotor mechanisms occurring at a double rotation frequency due to the ellipse of the rotor support journals. The purpose of the invention is to increase the efficiency of reducing vibration at a double rotation frequency and accelerate the process of minimizing vibration. The vibration of the frame 3 of the multi-rotor mechanism is measured at different relative positions of the rotors 1 and 2. A graph is plotted according to the measurement results, which determine the angular position of the rotors, which ensures minimum vibration of the frame, and rotates the rotors 1 and 2 to the position corresponding to the minimum vibration 2

Description

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Изобретение относитс  к машиностроению и может быть использовано дл  снижени  вибрации миогороторных механизмов , возникающей на двойной частоте вращени  из-за зллипсиости опорных шеек роторов.The invention relates to mechanical engineering and can be used to reduce the vibration of the myogorotor mechanisms occurring at a double rotation speed due to the glipsiness of the rotor support journals.

Цель изобретени  - повышение эффективности снижени  вибраций на двойной частоте вращени  и ускорение процесса ми- (нимизации оибр.ации.The purpose of the invention is to increase the efficiency of reducing vibrations at a double rotation speed and accelerating the process of minimizing vibration.

На фиг,1 изображена схема л oropo- торного механизма; на фиг.2 - график изме- нени  максимальной относительной вибрации точек рамы миогороторного механизма у амортизаторов.In Fig. 1, a schematic diagram of the rotor mechanism is shown; figure 2 is a graph of the change in the maximum relative vibration of the frame points of the myogorotor mechanism of shock absorbers.

Описываемый способ осуществл етс  следующим образом.The described method is carried out as follows.

При работе многороторного механизма, состо щего, например, из привода с ротоФорму/Iа изобретени When operating a multi-rotor mechanism, consisting, for example, of a rotorForm / Ia invention drive

СПОСОБ СНИЖЕНИЯ ВИБРАЦИИ МНОГОРОТОРНОГО МЕХАНИЗМА порождаемой эллипсиостью шеек ротора, Заключающийс  в том, что измер ют параметры вибрации и уменьшают последнюю путем изменени  взаимного расположени  роторов , отличающийс  тем, что, с целью павыIbfcMETHOD FOR REDUCING VIBRATION OF MULTI-MOTOR MECHANISM Generated by the ellipse of the rotor necks, which consists in measuring vibration parameters and decreasing the latter by changing the relative position of the rotors, characterized in that, for the purpose of

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ром 1 и нагрузочного устройства с ротором 2, измер ют вибрацию точек амортизированной рамы 3 у амортизаторов 4 при различном D плоскости вращени  роторов 1 и 2 их вз аимном положении в пределах от О до 360°. По результатам измерений стро т график (см, фиг,2) изменени  максимальной относительной вибрации точек рамы 3 у амортизаторов 4,rum 1 and load device with rotor 2, measure the vibration of the points of the shock-absorbing frame 3 at the shock absorbers 4 at different D plane of rotation of the rotors 1 and 2 of their mutual position in the range from O to 360 °. Based on the measurement results, a graph is constructed (see, Fig. 2) of the change in the maximum relative vibration of the points of the frame 3 of the shock absorbers 4,

По графику определ ют взаимное угловое прложение роторов, обеспечивающее минимум вибрации рамы 3 механизма, и разворачивают роторы 1 и 2 на соответствующий угол, обеспечива  тем самым значительное улучшение виброакустических характеристик механизма, (56) Тимощенко С,П, Колебани  в инженерном деле, Изд, Физико-математической литературы , 1959, с. 66-67.According to the schedule, the mutual angular spacing of the rotors is determined, which ensures minimum vibration of the frame 3 of the mechanism, and the rotors 1 and 2 are turned to the corresponding angle, thereby providing a significant improvement in the vibro-acoustic characteristics of the mechanism, (56) Timoshchenko S, P, Kolebani in Engineering, Publishing House, Physics and Mathematics, 1959, p. 66-67.

шени  эффективности снижени  вибрации на двойной частоте вращени  и ускорени  процесса минимизации вибрации, измерение параметров вибрации провод т при 5 различных взаимных в плоскости вращени  положени х роторов, по результатам измерений стро т график, а угол взаимного разворота роторов оп редел   ют, из графика По минимуму вибрации.In order to reduce the efficiency of reducing vibration at a double speed and accelerating the process of minimizing vibration, vibration parameters are measured at 5 different positions of the rotors that are reciprocal in the plane of rotation, the graph is plotted from the measurements, and the angle of mutual rotation of the rotors is determined from the graph. vibrations.

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SU04041109A 1986-02-13 1986-02-13 Method for reducing vibrations of multirotor mechanism RU1426165C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU04041109A RU1426165C (en) 1986-02-13 1986-02-13 Method for reducing vibrations of multirotor mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU04041109A RU1426165C (en) 1986-02-13 1986-02-13 Method for reducing vibrations of multirotor mechanism

Publications (1)

Publication Number Publication Date
RU1426165C true RU1426165C (en) 1993-11-15

Family

ID=21227923

Family Applications (1)

Application Number Title Priority Date Filing Date
SU04041109A RU1426165C (en) 1986-02-13 1986-02-13 Method for reducing vibrations of multirotor mechanism

Country Status (1)

Country Link
RU (1) RU1426165C (en)

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