SU149609A1 - Method for increasing the base of measured moments in tensometric scales of frame structure - Google Patents

Method for increasing the base of measured moments in tensometric scales of frame structure

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Publication number
SU149609A1
SU149609A1 SU740609A SU740609A SU149609A1 SU 149609 A1 SU149609 A1 SU 149609A1 SU 740609 A SU740609 A SU 740609A SU 740609 A SU740609 A SU 740609A SU 149609 A1 SU149609 A1 SU 149609A1
Authority
SU
USSR - Soviet Union
Prior art keywords
base
increasing
frame structure
moments
measured moments
Prior art date
Application number
SU740609A
Other languages
Russian (ru)
Inventor
Я.Т. Никитин
Original Assignee
Я.Т. Никитин
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 Я.Т. Никитин filed Critical Я.Т. Никитин
Priority to SU740609A priority Critical patent/SU149609A1/en
Application granted granted Critical
Publication of SU149609A1 publication Critical patent/SU149609A1/en

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Description

В существующих тензометрических весах, примен емых при аэродинамических Исследовани х, перенос моментной точки весов в новое положение и увеличение базы измер емых моментов осуществл етс  электрическими способами. Однако эти способы не позвол ют мен ть в упругих рамных системах положение моментной оси тензометрических весов, не уменьша  их жесткости и не усложн   схемы.In the existing strain gauge weights used in aerodynamic research, the transfer of the torque point of the balance to a new position and an increase in the base of measured moments is carried out by electric methods. However, these methods do not allow the position of the torque axis of the strain gauge weights to be changed in elastic frame systems without decreasing their rigidity and not complicating the circuit.

Предложенный способ увеличени  базы измер емых моменюз в тензометрических весах рамной конструкции этих недостатков не имеет. Предлагаемый способ основан «а использовании свойства ра-чных систем измен ть положение линий перегиба упругих балок в меньших пределах, чем пределы изменени  линий действи  силы, вызвавшей соответствующее изменение положени  линии перегиба упругих балок. Это достигаетс  тем, что |Середины чувствительных репгеток тензометрических датчиков совмещены с линией перегиба упругих балок, приложенной в заданной точке силой, или в точке условного положени  центра т жести модели. Рассто ние, на которое необходимо изменить положение моментной оси тензометрических -весов, зависит только от жесткостных и геометрических параметров рамных систем н не зависит от электрических параметров.The proposed method of increasing the base of measurable moments in tensometric scales of the frame structure does not have these disadvantages. The proposed method is based on using the property of frame systems to change the position of the inflection lines of elastic beams to a lesser extent than the limits of change of the lines of action of the force that caused the corresponding change in the position of the inflection line of elastic beams. This is achieved by the fact that the | Mid-sensitive sensitive sensors of strain-gauge sensors are combined with the bending line of elastic beams applied at a given point by force, or at the point of conditional position of the center of gravity of the model. The distance by which it is necessary to change the position of the moment axis of the strain gauge weights depends only on the stiffness and geometrical parameters of the frame systems and does not depend on the electrical parameters.

Предмет изобретени Subject invention

Способ увеличени  базы измер емых моментов в тензометрических весах рамной конструкции, основанный на свойстве упругих рамных систем измен ть положение линии перегиба упругих балок в мечьщ11х пределах, чем пределы изменени  положени  линии действи  силы, от№ 149609. - 2 л «чающийс  тем, что, с целью изменени  положени  момектной оси тензометрически х весов без уменьшени  их жесткости и без усложнени  электрических схем дл  измерени  моментов, середины чувствительных решеток тензометрических датчиков совмещают с линией аерегиба упругих балок от действи  силы, приложенной к задакной точке или к точке условного положени  центра т жести испытуемой модели.The method of increasing the base of measured moments in tensometric scales of the frame structure, based on the property of elastic frame systems to change the position of the inflection line of elastic beams within the limits of, than the limits of the change of position of the line of force, No. 149609. - 2 in order to change the position of the torque axis of the strain gauge scales without reducing their rigidity and without complicating the electrical circuits for measuring the moments, the middle of the sensitive grids of strain gauge sensors are combined with the bereg line of elastic Alok by action of force applied to zadaknoy or point-to-point conditional position of the center of gravity of the test model.

SU740609A 1961-08-01 1961-08-01 Method for increasing the base of measured moments in tensometric scales of frame structure SU149609A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU740609A SU149609A1 (en) 1961-08-01 1961-08-01 Method for increasing the base of measured moments in tensometric scales of frame structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU740609A SU149609A1 (en) 1961-08-01 1961-08-01 Method for increasing the base of measured moments in tensometric scales of frame structure

Publications (1)

Publication Number Publication Date
SU149609A1 true SU149609A1 (en) 1961-11-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU740609A SU149609A1 (en) 1961-08-01 1961-08-01 Method for increasing the base of measured moments in tensometric scales of frame structure

Country Status (1)

Country Link
SU (1) SU149609A1 (en)

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