SU540191A1

SU540191A1 - "Instrument for determining the temperature of brittleness

Info

Publication number: SU540191A1
Application number: SU2044536A
Authority: SU
Inventors: Вячеслав Михайлович Корнеев
Priority date: 1974-07-12
Filing date: 1974-07-12
Publication date: 1976-12-25

Description

нагружение образцов 2 осуществл етс механизмом 14. При испытани х зажим 1 с механизмом поворота помещаютс в криокамеру (на чертежах не показана).the loading of specimens 2 is carried out by the mechanism 14. When tested, the clamp 1 with the rotation mechanism is placed in the cryochamber (not shown).

Предлагаемый прибор работает следующим образом.The proposed device works as follows.

Образцы 2 закрепл ютс в зажиме 1, после чего с механизмом поворота погружаютс в криокамеру.Samples 2 are fixed in clamp 1, after which they are immersed in a cryochamber with a turning mechanism.

По достижении заданной температуры включаютс механизм поворота зажима и св занный с ним механизм нагружени 14.Upon reaching a predetermined temperature, the mechanism for rotating the clamp and the associated loading mechanism 14 are activated.

При опускании вниз пуансона 15 происходит нагружение образцов 12. Обратный ход пуансона совершаетс одновременно с подн тием вилки 8, вывод щей ось зажима из направл ющей . При дальнейщем подъеме щтифты 4 взаимодействуют с упором 11 и поворачивают зажим 1, вывод на рабочую позицию новую груипу образцов 12. Опускание т ги 7 сопровождаетс опусканием в направл ющей 10 зажима 1 в рабочее положение. Затем цикл повтор етс .When the punch 15 is lowered down, the samples 12 are loaded. The punch reversal takes place simultaneously with the raising of the plug 8, which takes the axis of the clamp from the guide. With further lifting, the pins 4 interact with the stop 11 and rotate the clamp 1, bringing the new sample to the working position 12. The lowering of the rod 7 is accompanied by lowering in the guide 10 of the clamp 1 into the working position. Then the cycle is repeated.

Таким образом, предложенный прибор при уменьшенных габаритах позвол ет увеличить число одновременно испытуемых образцов и тем самым повысить производительность испытаний .Thus, the proposed device, with reduced dimensions, allows an increase in the number of simultaneously tested samples and thereby increase the test performance.

Claims

1. Instrument for determining the temperature of brittleness containing a cryochamber, clamp

for fastening the samples and the mechanism of its rotation, the mechanism for static and dynamic loading of samples, characterized in that, in order to reduce the size of the device and increase productivity, the clamp is made in the form of a multifaceted prism mounted on an axis having faces on the number of faces of the prism, pins, fixed at the ends of the axis, and

0 for fastening the samples on each face of the prism, and the clamp rotation mechanism is made in the form of a drive of reciprocating movement associated with it by one end of the pull, a pair of forks clamped along its axis, C-shaped clamping axis and reinforced on it is a spring-loaded stop that interacts when moving the clip with its pins.

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2. An apparatus according to claim 1, characterized in that, in order to impede the possibility of testing specimens with folded ends, each face of the clamp is provided with an anvil aligned with this face.

5 Sources of information taken into account in the examination:

1. Borzdyka AM “Methods of hot mechanical testing of metals, M., 1955, p. 227.

0 2. Reznikovskiy M. M et al. “Mechanical Testing of Rubber and Rubber, M., 1968, p. 433 (prototype).

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