SU539257A1 - Device for testing rock images for stretching - Google Patents
Device for testing rock images for stretchingInfo
- Publication number
- SU539257A1 SU539257A1 SU1994361A SU1994361A SU539257A1 SU 539257 A1 SU539257 A1 SU 539257A1 SU 1994361 A SU1994361 A SU 1994361A SU 1994361 A SU1994361 A SU 1994361A SU 539257 A1 SU539257 A1 SU 539257A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- stretching
- testing rock
- testing
- sleeve
- rock images
- Prior art date
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
1one
Изобретение относитс к устройствам дл определени механических свойств образцов горных пород раст жением.The invention relates to devices for determining the mechanical properties of rock specimens by stretching.
Известное устройство, содержащее обойму и опорное основание, на котором помещаетс образец, не обеспечивает достаточной точности при испытании влажных и слабых образцов из-за Ненадежности их закреплени .The known device containing the holder and the support base on which the specimen is placed does not provide sufficient accuracy when testing wet and weak specimens due to the unreliability of their fixation.
Целью изобретени вл етс повышение точности измерений при испытании образцов. Дл достижени этой цели обойма снабжена втулкой, образующей с ее стенками полость, котора заполнена рабочей жидкостью и соединена с насосом.The aim of the invention is to improve the measurement accuracy when testing samples. To achieve this goal, the sleeve is provided with a sleeve, which forms a cavity with its walls, which is filled with working fluid and connected to the pump.
На чертеже показано предлагаемое устройство .The drawing shows the proposed device.
Устройство содержит стальную обойму 1, внутри которой приварена тонкостенна металлическа втулка 2, образующа полость 3 со стенками обоймы и зазор 4 величиной 0,3- 0,5 мм с испытуемым цилиндрическим образцом 5. В местах сварки втулка поджата гайками 6.The device contains a steel ferrule 1, inside which a thin-walled metal sleeve 2 is welded, forming a cavity 3 with the holder walls and a gap 4 of 0.3-0.5 mm with the test cylindrical specimen 5. At the welding points the sleeve is preloaded by nuts 6.
К обойме 1 при помощи резьбы прикреплено основание 7, внутренн часть которого служит опорой дл образца 5.. Снаружи на основании расположены шарнирный сегментThe base 7 is attached to the holder 1 by means of a thread, the inner part of which serves as a support for sample 5. A hinged segment is located outside on the base.
8 и щток 9 разрывной машины, закрытые крышкой 10.8 and the rods 9 of the bursting machine, covered with a lid 10.
Устройство работает следующим образом.The device works as follows.
Подготовленный к испытани м цилиндрический образец 5 помещают в указанное устройство . Через штуцер 11 нагнетают жидкость под давлением, вызыва деформацию втулки 2 и обжатие образца 5 по боковой поверхности . Затем штуцер закрывают. Аналогично к другому концу образца креп т второе устройство , после чего образец готов к испытани м .The test specimen 5 is placed in the indicated device. Through the fitting 11 inject fluid under pressure, causing deformation of the sleeve 2 and the compression of the sample 5 on the side surface. Then the fitting is closed. Similarly, a second device is attached to the other end of the sample, after which the sample is ready for testing.
Благодар наличию сегмента 8 и сферы в крышке 10 устран етс эксцентриситет при приложении нагрузки. После окончани испытаний давление в гидросистеме сбрасываетс , упругие деформации тонкостенных втулок 2 снимаютс и образец освобождаетс .Due to the presence of a segment 8 and a sphere in the lid 10, the eccentricity is eliminated when a load is applied. After completion of the tests, the pressure in the hydraulic system is released, the elastic deformations of the thin-walled bushings 2 are removed and the sample is released.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1994361A SU539257A1 (en) | 1974-02-11 | 1974-02-11 | Device for testing rock images for stretching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1994361A SU539257A1 (en) | 1974-02-11 | 1974-02-11 | Device for testing rock images for stretching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU539257A1 true SU539257A1 (en) | 1976-12-15 |
Family
ID=20575186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1994361A SU539257A1 (en) | 1974-02-11 | 1974-02-11 | Device for testing rock images for stretching |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU539257A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5060521A (en) * | 1989-08-10 | 1991-10-29 | The United States Of America As Represented By The Secretary Of The Army | Reverse-direct stress testing device |
| CN104111197B (en) * | 2014-08-06 | 2016-06-01 | 东北石油大学 | A kind of joint coal petrography direct tensile test device and test method |
| CN105910908A (en) * | 2016-07-06 | 2016-08-31 | 河南理工大学 | Device and measuring method for measuring direct stretching mechanical parameter of rock |
-
1974
- 1974-02-11 SU SU1994361A patent/SU539257A1/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5060521A (en) * | 1989-08-10 | 1991-10-29 | The United States Of America As Represented By The Secretary Of The Army | Reverse-direct stress testing device |
| CN104111197B (en) * | 2014-08-06 | 2016-06-01 | 东北石油大学 | A kind of joint coal petrography direct tensile test device and test method |
| CN105910908A (en) * | 2016-07-06 | 2016-08-31 | 河南理工大学 | Device and measuring method for measuring direct stretching mechanical parameter of rock |
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