FR2282529A1 - PERFECTIONED CONTROL MEANS FOR MINE ROOF WALKING SUPPORTS - Google Patents
PERFECTIONED CONTROL MEANS FOR MINE ROOF WALKING SUPPORTSInfo
- Publication number
- FR2282529A1 FR2282529A1 FR7521042A FR7521042A FR2282529A1 FR 2282529 A1 FR2282529 A1 FR 2282529A1 FR 7521042 A FR7521042 A FR 7521042A FR 7521042 A FR7521042 A FR 7521042A FR 2282529 A1 FR2282529 A1 FR 2282529A1
- Authority
- FR
- France
- Prior art keywords
- perfectioned
- control means
- mine roof
- walking supports
- roof walking
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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
- E21D23/26—Hydraulic or pneumatic control
-
- 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
- E21D23/12—Control, e.g. using remote control
- E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
- E21D23/148—Wireless transmission of signals or commands
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)
- Computer Networks & Wireless Communication (AREA)
- Fluid-Pressure Circuits (AREA)
- Lining And Supports For Tunnels (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB36490/74A GB1517711A (en) | 1974-08-20 | 1974-08-20 | Self-advancing mine roof supports |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2282529A1 true FR2282529A1 (en) | 1976-03-19 |
FR2282529B3 FR2282529B3 (en) | 1979-03-16 |
Family
ID=10388642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7521042A Granted FR2282529A1 (en) | 1974-08-20 | 1975-07-04 | PERFECTIONED CONTROL MEANS FOR MINE ROOF WALKING SUPPORTS |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5135601A (en) |
DE (1) | DE2507106B2 (en) |
FR (1) | FR2282529A1 (en) |
GB (1) | GB1517711A (en) |
ZA (1) | ZA754137B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2640185A1 (en) * | 1976-09-07 | 1978-03-16 | Hemscheidt Maschf Hermann | MULTIPLE CONTROL UNIT FOR HYDRAULIC STEP EXTENSION |
FR2376942A1 (en) * | 1977-01-11 | 1978-08-04 | Gewerk Eisenhuette Westfalia | HYDRAULIC CONTROL SYSTEM FOR SUPPORT |
FR2422815A1 (en) * | 1978-04-14 | 1979-11-09 | Ts Osrodek P Kon | ORE LAYER BLASTING DEVICE FEATURING A MACHINE Leaning AGAINST THE TWO-POINT CUTTING FRONT |
BE1000831A3 (en) * | 1986-03-12 | 1989-04-18 | Gewerk Eisenhuette Westfalia | CONNECTION AND VALVE ACCESSORY FOR EXTENSIBLE HYDRAULIC SCAFFOLD, ETC. |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2095425B (en) * | 1981-02-25 | 1984-06-27 | Dobson Park Ind | Mine roof support control systems |
DE3334607C1 (en) * | 1983-09-24 | 1984-05-10 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Signal transmitter for control signals for controlling a hydraulic self-advancing powered support system |
DE3700470A1 (en) * | 1987-01-09 | 1988-07-21 | Bochumer Eisen Heintzmann | Hydraulic remote actuation system |
-
1974
- 1974-08-20 GB GB36490/74A patent/GB1517711A/en not_active Expired
-
1975
- 1975-02-19 DE DE19752507106 patent/DE2507106B2/en not_active Ceased
- 1975-06-27 ZA ZA00754137A patent/ZA754137B/en unknown
- 1975-07-04 FR FR7521042A patent/FR2282529A1/en active Granted
- 1975-07-21 JP JP50088462A patent/JPS5135601A/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2640185A1 (en) * | 1976-09-07 | 1978-03-16 | Hemscheidt Maschf Hermann | MULTIPLE CONTROL UNIT FOR HYDRAULIC STEP EXTENSION |
FR2363693A1 (en) * | 1976-09-07 | 1978-03-31 | Hemscheidt Maschf Hermann | MULTIPLE CONTROL UNIT FOR HYDRAULIC WALKING SUPPORT |
FR2376942A1 (en) * | 1977-01-11 | 1978-08-04 | Gewerk Eisenhuette Westfalia | HYDRAULIC CONTROL SYSTEM FOR SUPPORT |
FR2422815A1 (en) * | 1978-04-14 | 1979-11-09 | Ts Osrodek P Kon | ORE LAYER BLASTING DEVICE FEATURING A MACHINE Leaning AGAINST THE TWO-POINT CUTTING FRONT |
BE1000831A3 (en) * | 1986-03-12 | 1989-04-18 | Gewerk Eisenhuette Westfalia | CONNECTION AND VALVE ACCESSORY FOR EXTENSIBLE HYDRAULIC SCAFFOLD, ETC. |
Also Published As
Publication number | Publication date |
---|---|
DE2507106B2 (en) | 1977-02-24 |
AU8305175A (en) | 1977-01-20 |
JPS5135601A (en) | 1976-03-26 |
FR2282529B3 (en) | 1979-03-16 |
ZA754137B (en) | 1976-06-30 |
GB1517711A (en) | 1978-07-12 |
DE2507106A1 (en) | 1976-03-04 |
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