SU697797A1 - Method of measuring torsional oscillations of a shaft - Google Patents

Method of measuring torsional oscillations of a shaft

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Publication number
SU697797A1
SU697797A1 SU752308194A SU2308194A SU697797A1 SU 697797 A1 SU697797 A1 SU 697797A1 SU 752308194 A SU752308194 A SU 752308194A SU 2308194 A SU2308194 A SU 2308194A SU 697797 A1 SU697797 A1 SU 697797A1
Authority
SU
USSR - Soviet Union
Prior art keywords
shaft
torsional oscillations
measuring torsional
strain gauge
measuring
Prior art date
Application number
SU752308194A
Other languages
Russian (ru)
Inventor
Фридрих Николаевич Шалаев
Алексей Иванович Ерошкин
Original Assignee
Предприятие П/Я Г-4634
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 Г-4634 filed Critical Предприятие П/Я Г-4634
Priority to SU752308194A priority Critical patent/SU697797A1/en
Application granted granted Critical
Publication of SU697797A1 publication Critical patent/SU697797A1/en

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  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Description

(54) СПОСОБ ИЗМЕРЕНИЯ КРУТИЛЬНЫХ КОЛЕБАНИЙ ВАЛА(54) METHOD OF MEASUREMENT OF TORQUE OSCILLATIONS OF SHAFT

1one

Изобретение относитс  к области измерительной техники и может быть использовано дл  измерени  крутильных колебаний валов, нагруженных зубчатым зацеплением.The invention relates to the field of measurement technology and can be used to measure torsional vibrations of shafts loaded with gear teeth.

Известен способ измерени  крут щего момента, основанный на непосредственном измерении на валу деформации с помощью крутильных динамометров 1.A known method for measuring torque is based on direct measurement on a deformation shaft using torsional dynamometers 1.

Известен также способ измерени  крутильных колебаний вала, установленного в подщипниках и нагруженного зубчатым зацеплением , посредством тензорезистора 2.There is also known a method for measuring torsional vibrations of a shaft mounted in ball bearings and loaded with a gear, by means of a strain gauge 2.

Данный способ  вл етс  наиболее близким к описываемому изобретению по технической сущности и достигаемому результату .This method is closest to the described invention to the technical essence and the achieved result.

Целью изобретени   вл етс  упрощение измерений крут щего момента высокооборотных валов.The aim of the invention is to simplify the measurement of the torque of high-speed shafts.

Поставленна  цель достигаетс  тем, что в способе измерени  крутильных колебаний вала, установленного в подщипниках и нагруженного зубчатым зацеплением, упругий элемент с тензорезистором устанавливают в подщипниковом узле и регистрируют параметры амплитудно-модулированного сигнала от деформации упругого элемента на частоте прокатывани  тел -качени  по наружной обойме подщипника.The goal is achieved by the fact that in the method of measuring torsional oscillations of a shaft installed in sub-carriers and loaded with gearing, the elastic element with a strain gauge is installed in the sub-node and the parameters of the amplitude-modulated signal from the deformation of the elastic element at the body rolling frequency are recorded in the outer sleeve. .

На фиг. 1 изображено устройство, реализующее данный способ; на фиг. 2а и 26FIG. 1 shows a device that implements this method; in fig. 2a and 26

показаны сигналы с тензорезнстора, когда на валу нет крутильных колебаний; на фиг. 28 показан сигнал с тензорезистора, когда на валу есть крутильные колебани .Signals from the strain gauge are shown when there are no torsional vibrations on the shaft; in fig. 28 shows the signal from the strain gauge when there are torsional vibrations on the shaft.

Устройство содержит шестерню 1, наход щуюс  в зацеплении с щестерней 2, котора  установлена на валу 3 и при действии создает радиальную силу R, пропорциональную действующему моменту. Эта сила через тело качени  4 и наружную обойму подщипника 5 деформирует упругий элемент 6,The device comprises a gear 1, which is engaged with the bristles 2, which is mounted on the shaft 3 and, under the action, generates a radial force R proportional to the effective moment. This force through the body of rolling 4 and the outer ring of the support 5 deforms the elastic element 6,

деформаци  которого воспринимаетс  тензорезистором 7. Если на валу нет крутильных колебаний, то при крут щих моментах M и fA сигнал с тензорезистора 7 будет записан на осциллографе, как показано на фиг. 2а и 26. При этом С и d - соответствующие своим моментам размахи колебаний электрического сигнала на частоте прокатывани  тел качени  по наружной обойме подщипника ш , где t| - врем the deformation of which is sensed by the strain gauge 7. If there are no torsional vibrations on the shaft, then at torques M and fA the signal from the strain gauge 7 will be recorded on an oscilloscope, as shown in FIG. 2a and 26. Herewith, C and d are the amplitudes of oscillations of the electric signal corresponding to their moments at the frequency of rolling of the rolling bodies around the outer cage of the sub-shaft w, where t | - time

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SU752308194A 1975-12-15 1975-12-15 Method of measuring torsional oscillations of a shaft SU697797A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU752308194A SU697797A1 (en) 1975-12-15 1975-12-15 Method of measuring torsional oscillations of a shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU752308194A SU697797A1 (en) 1975-12-15 1975-12-15 Method of measuring torsional oscillations of a shaft

Publications (1)

Publication Number Publication Date
SU697797A1 true SU697797A1 (en) 1979-11-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU752308194A SU697797A1 (en) 1975-12-15 1975-12-15 Method of measuring torsional oscillations of a shaft

Country Status (1)

Country Link
SU (1) SU697797A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049768A (en) * 1987-07-15 1991-09-17 The Boeing Company Reducing engine noise by active oscillatory torque control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049768A (en) * 1987-07-15 1991-09-17 The Boeing Company Reducing engine noise by active oscillatory torque control

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