SU546795A1 - Device for measuring the stop on the shaft of the vessel - Google Patents
Device for measuring the stop on the shaft of the vesselInfo
- Publication number
- SU546795A1 SU546795A1 SU1930201A SU1930201A SU546795A1 SU 546795 A1 SU546795 A1 SU 546795A1 SU 1930201 A SU1930201 A SU 1930201A SU 1930201 A SU1930201 A SU 1930201A SU 546795 A1 SU546795 A1 SU 546795A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- shaft
- stop
- measuring
- vessel
- strain
- Prior art date
Links
Landscapes
- Measurement Of Force In General (AREA)
Description
чина его деформации определ етс выражениемthe rank of its deformation is determined by the expression
ST-J. - S ( - а ) -|- sin 2 , ST-J. - S (- a) - | - sin 2,
- (1 + |.-.) sin 2/; - -- cos 2; Op г; - относительна деформаци тензорезистора; S - относительна осева деформаци - (1 + | .-.) Sin 2 /; - - cos 2; Op g; - relative strain gauge strain; S - relative axial deformation
вала; Y - относительный сдвиг на поверхностиshaft; Y - relative shift on the surface
вала; аг - угол между ос ми тензорезистора иshaft; ar is the angle between the axes of the strain gauge and
вала;shaft;
i-i, - коэффициент Пуансона; бг - координатна ошибка установкиi-i, - Punch coefficient; bg - coordinate installation error
текзорезистора.resistor.
Величина выходного сигнала тензорезнсторцого нолумоста определ етс выражениемThe magnitude of the output signal of the strain-absorbing zero-bridge is determined by the expression
V(-ir() V (-ir ()
L 1 1ГL 1 1G
где и - напр л ение питани ; ли - измер емое напр жение;where and is the direction of nutrition; li is the measured voltage;
Дз () относительное изменение со R JiDz () relative change with R Ji
противлени тензорезистора за счет его деформации .resistance to the strain gauge due to its deformation.
/( - тензочувствительность./ (- strain sensitivity.
Так как в иредлагаемом устройстве ai 45°.Since in the original device ai 45 °.
.со / .co /
Д«D "
i- ; О, ТО велиаз -45° и Уi-; Oh, TO Veliaz -45 ° and U
RS RS
чина выходного сигнала составл етthe output signal is
(1-;0-2Е(1 + а)о,(1-; 0-2E (1 + a) o,
где S - (1 + §2) - средн координатна where S - (1 + §2) is the average coordinate
ошибка установки тензорезисторов.installation error strain gages.
При измер етс истинна величинаWhen the true value is measured
5Д(7 1 ,1 5D (7 1, 1
упора - - Д 3 (1 - ;;) .stop - - D 3 (1 - ;;).
При упор измер етс с некоторой оишбкой, относительна величина которойThe stop is measured with some error, the relative magnitude of which
1 -i- ; .1 -i-; .
Р 2(1-,и.)P 2 (1-, i.)
где на результат измерени упора крут щий момент практически не оказывает вли ни . Экспериментальные исследовани предложенпого устройства показали, что величина погрешности измерени упора на валу движущегос судна при условии применени тензорезисторов , близких по характеристикам, не превышает 4-4,5%, это дает возможность измер ть упор на валу во врем натурных испытаний судов без предварительной стендовой градуировки вала.where the result of measuring the stop torque has almost no effect. Experimental studies of the proposed device showed that the magnitude of the measurement error of the stop on the shaft of a moving vessel, provided that strain gages of similar characteristics are used does not exceed 4–4.5%, this makes it possible to measure the stop on the shaft during full-scale tests of vessels without prior bench calibration shaft.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1930201A SU546795A1 (en) | 1973-06-15 | 1973-06-15 | Device for measuring the stop on the shaft of the vessel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1930201A SU546795A1 (en) | 1973-06-15 | 1973-06-15 | Device for measuring the stop on the shaft of the vessel |
Publications (1)
Publication Number | Publication Date |
---|---|
SU546795A1 true SU546795A1 (en) | 1977-02-15 |
Family
ID=20556018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1930201A SU546795A1 (en) | 1973-06-15 | 1973-06-15 | Device for measuring the stop on the shaft of the vessel |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU546795A1 (en) |
-
1973
- 1973-06-15 SU SU1930201A patent/SU546795A1/en active
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