SU581291A1 - Safety valve for hydraulic mine roof supports - Google Patents

Safety valve for hydraulic mine roof supports

Info

Publication number
SU581291A1
SU581291A1 SU7402083422A SU2083422A SU581291A1 SU 581291 A1 SU581291 A1 SU 581291A1 SU 7402083422 A SU7402083422 A SU 7402083422A SU 2083422 A SU2083422 A SU 2083422A SU 581291 A1 SU581291 A1 SU 581291A1
Authority
SU
USSR - Soviet Union
Prior art keywords
safety valve
mine roof
roof supports
hydraulic mine
hydraulic
Prior art date
Application number
SU7402083422A
Other languages
Russian (ru)
Inventor
Валентин Никитович Потураев
Василий Трофимович Глушко
Юрий Георгиевич Спицын
Евгений Дмитриевич Дубов
Анатолий Федорович Булат
Original Assignee
Институт Геотехнической Механики Ан Украинской Сср
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 Институт Геотехнической Механики Ан Украинской Сср filed Critical Институт Геотехнической Механики Ан Украинской Сср
Priority to SU7402083422A priority Critical patent/SU581291A1/en
Application granted granted Critical
Publication of SU581291A1 publication Critical patent/SU581291A1/en

Links

Landscapes

  • Valve Device For Special Equipments (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

(54) ПРЕДОХРАНИТЕЛЬНЫЙ КЛАПАН ШАХТНЫХ ГИДРАВЛИЧЕСКИХ КРЕПЕЙ(54) SAFETY VALVE OF MINE HYDRAULIC FASTENERS

Применение предохранительного клапана позволит обеспечить его настройку на требуемое давление срабатывани  в шахтных услови х и осуществит работу гидравлической крепи в оптимальном силовом режиме.The use of a safety valve will allow it to be adjusted to the required response pressure in mine conditions and carry out the operation of the hydraulic support in the optimal power mode.

Claims (2)

1.Авторское свидетельство № 204272, кл. Е 21 В , 47/00 1966.1. Certificate of author No. 204272, cl. E 21 B, 47/00 1966. 2.Авторское свидетельство № 227272, кл. Е 21 Д, 15/51, 1967.2. The copyright certificate number 227272, cl. E 21 D, 15/51, 1967.
SU7402083422A 1974-12-13 1974-12-13 Safety valve for hydraulic mine roof supports SU581291A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU7402083422A SU581291A1 (en) 1974-12-13 1974-12-13 Safety valve for hydraulic mine roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7402083422A SU581291A1 (en) 1974-12-13 1974-12-13 Safety valve for hydraulic mine roof supports

Publications (1)

Publication Number Publication Date
SU581291A1 true SU581291A1 (en) 1977-11-25

Family

ID=20603311

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7402083422A SU581291A1 (en) 1974-12-13 1974-12-13 Safety valve for hydraulic mine roof supports

Country Status (1)

Country Link
SU (1) SU581291A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988771A (en) * 2017-04-01 2017-07-28 山东能源重装集团恒图科技有限公司 A kind of hydraulic support foundation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988771A (en) * 2017-04-01 2017-07-28 山东能源重装集团恒图科技有限公司 A kind of hydraulic support foundation

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