UA92934C2 - Valve arrangement for support frame at underground mining operations that has non-return valve - Google Patents
Valve arrangement for support frame at underground mining operations that has non-return valveInfo
- Publication number
- UA92934C2 UA92934C2 UAA200811820A UAA200811820A UA92934C2 UA 92934 C2 UA92934 C2 UA 92934C2 UA A200811820 A UAA200811820 A UA A200811820A UA A200811820 A UAA200811820 A UA A200811820A UA 92934 C2 UA92934 C2 UA 92934C2
- Authority
- UA
- Ukraine
- Prior art keywords
- support frame
- valve
- underground mining
- mining operations
- valve arrangement
- Prior art date
Links
- 238000005065 mining Methods 0.000 title abstract 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Check Valves (AREA)
- Mechanically-Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
- Actuator (AREA)
Abstract
Valve arrangement for support frame at underground mining operations that includes the first and the second un-lockable non-return (check) valves, at that the first check valve is connected to setting cylinder of support frame and the second check valve is attached to lift cylinder of support frame and both check valves are connected to each other.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007047761A DE102007047761B4 (en) | 2007-10-05 | 2007-10-05 | Valve arrangement and expansion rack |
Publications (1)
Publication Number | Publication Date |
---|---|
UA92934C2 true UA92934C2 (en) | 2010-12-27 |
Family
ID=40435256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA200811820A UA92934C2 (en) | 2007-10-05 | 2008-10-03 | Valve arrangement for support frame at underground mining operations that has non-return valve |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN101403312B (en) |
DE (1) | DE102007047761B4 (en) |
PL (1) | PL216113B1 (en) |
RU (1) | RU2468208C2 (en) |
UA (1) | UA92934C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009042120B4 (en) * | 2009-09-18 | 2016-11-17 | Marco Systemanalyse Und Entwicklung Gmbh | valve assembly |
DE102015105922A1 (en) | 2015-04-17 | 2016-10-20 | Marco Systemanalyse Und Entwicklung Gmbh | valve assembly |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU415380A1 (en) * | 1972-10-24 | 1974-02-15 | ||
DE2622285C3 (en) * | 1976-05-19 | 1978-11-09 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Push-button control device for hydraulic support |
SU848678A1 (en) * | 1979-12-04 | 1981-07-23 | Ордена Трудовгго Красного Знамениинститут Горного Дела Им.A.A.Cko-Чинского | Power roof support unit |
SU945468A1 (en) * | 1981-01-15 | 1982-07-23 | Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Институт Горного Дела Им.А.А.Скочинского | Power roof support unit |
SU976082A1 (en) * | 1981-06-02 | 1982-11-23 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Проходческих Машин И Комплексов Для Угольной,Горной Промышленности И Подземного Строительства | Hydraulic system for controlling the thrust and walking arrangement of an entry-driving cutter-loader |
GB2115047B (en) * | 1982-02-03 | 1985-06-19 | Dowty Mining Equipment Ltd | Mine roof support system |
SU1116172A1 (en) * | 1982-10-11 | 1984-09-30 | Государственный проектно-конструкторский и технологический институт подъемно-транспортного машиностроения | Apparatus for controlling a power support unit |
GB2137314B (en) * | 1983-03-26 | 1986-07-23 | Dobson Park Ind | Valve for mine support |
DE3825276A1 (en) * | 1988-07-26 | 1990-04-05 | Kloeckner Becorit Gmbh | METHOD AND DEVICE FOR RELEASING, BACKING AND SETTING A SHIELD EXTENSION FRAME |
RU36443U1 (en) * | 2003-09-15 | 2004-03-10 | Открытое акционерное общество "Подмосковный научно-исследовательский и проектно-конструкторский угольный институт" | The hydraulic system of the mechanized lining section |
DE112004002056D2 (en) * | 2003-11-29 | 2006-07-13 | Tiefenbach Control Sys Gmbh | Hydraulic circuit for longwall construction |
CN2723678Y (en) * | 2004-07-26 | 2005-09-07 | 李文洁 | Hydraulic support control valve unit |
CN2830641Y (en) * | 2005-07-08 | 2006-10-25 | 齐莹 | Valve box of hydraulic prop |
DE102006057601A1 (en) * | 2006-12-06 | 2008-06-12 | Marco Systemanalyse Und Entwicklung Gmbh | Mining prop position system, at high pressure, has a bypass non-return valve at the piston to block a flow towards the entry into the cylinder |
-
2007
- 2007-10-05 DE DE102007047761A patent/DE102007047761B4/en not_active Expired - Fee Related
-
2008
- 2008-09-27 CN CN 200810167109 patent/CN101403312B/en not_active Expired - Fee Related
- 2008-09-30 PL PL386194A patent/PL216113B1/en unknown
- 2008-10-03 RU RU2008139470/03A patent/RU2468208C2/en active
- 2008-10-03 UA UAA200811820A patent/UA92934C2/en unknown
Also Published As
Publication number | Publication date |
---|---|
RU2008139470A (en) | 2010-04-10 |
PL386194A1 (en) | 2009-04-14 |
DE102007047761B4 (en) | 2013-12-05 |
CN101403312B (en) | 2013-07-24 |
RU2468208C2 (en) | 2012-11-27 |
PL216113B1 (en) | 2014-02-28 |
CN101403312A (en) | 2009-04-08 |
DE102007047761A1 (en) | 2009-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CL2012001552A1 (en) | Set of wear elements for a lip of an earth excavating device, comprising a first wear element and a second wear element comprising a bushing and a pass of a retaining pin in communication with the bushing; lip protection; retaining pin; set of pins; and method. | |
GB2475455A (en) | Downhole tool with load diverting system and method | |
CA2669501C (en) | Reinforced slat body for inflatable packer | |
MX2010013877A (en) | Widespread faucet. | |
GT200600046A (en) | COMBINATION THERAPY | |
GB2476185A (en) | Subsea differential-area accumulator | |
TW200715634A (en) | Stable organic devices | |
TR201908818T4 (en) | Hydraulic rainwater control valve. | |
NO20024992D0 (en) | Pressure compensated pilot controlled check valve | |
UA92934C2 (en) | Valve arrangement for support frame at underground mining operations that has non-return valve | |
EA201390449A1 (en) | LOW BALANCE | |
PL2156017T3 (en) | Shield control device for carrying out the longwall function of a longwall unit in the longwall face working in a mine | |
GT200600449A (en) | PHARMACEUTICALLY ACTIVE TETRAHIDRO-PIRROLIZINONA COMPOUNDS | |
UA91594C2 (en) | Valve | |
EP3760881A4 (en) | Seal structure in hydraulic cylinder, and said hydraulic cylinder | |
EP4328469A4 (en) | Check valve | |
NO20091386L (en) | Fenyloksyanilinderivater | |
EP4306830A4 (en) | Check valve | |
UA96225C2 (en) | Valve cartridge and unlocking check valve for a prop of a mechanized support unit comprising a valve cartridge | |
GB2556556A (en) | Riser Tensioning System | |
PH12020551954A1 (en) | Check valve | |
MX2016016466A (en) | Accumulator counterbalanced three-chamber cylinder for artificial lift operations. | |
PL396456A1 (en) | Hydraulic support, especially mechanised casing stand for mines | |
CA216056S (en) | Check valve | |
TR201008038U (en) | Hydraulic lifting drilling machine. |