BE824477A - Appareil de soutenement - Google Patents
Appareil de soutenementInfo
- Publication number
- BE824477A BE824477A BE152449A BE152449A BE824477A BE 824477 A BE824477 A BE 824477A BE 152449 A BE152449 A BE 152449A BE 152449 A BE152449 A BE 152449A BE 824477 A BE824477 A BE 824477A
- Authority
- BE
- Belgium
- Prior art keywords
- support device
- support
- Prior art date
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
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0017—Pile type supports
-
- 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
- Body Structure For Vehicles (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2628/74A GB1512001A (en) | 1974-01-19 | 1974-01-19 | Mine roof support |
Publications (1)
Publication Number | Publication Date |
---|---|
BE824477A true BE824477A (fr) | 1975-05-15 |
Family
ID=9742905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE152449A BE824477A (fr) | 1974-01-19 | 1975-01-17 | Appareil de soutenement |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE824477A (fr) |
DE (1) | DE2502109B2 (fr) |
GB (1) | GB1512001A (fr) |
ZA (1) | ZA75367B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115288518A (zh) * | 2022-09-20 | 2022-11-04 | 陈朝敬 | 一种市政基坑施工的安全支防护装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1568967A (en) * | 1976-02-06 | 1980-06-11 | Dowty Mining Equipment Ltd | Mine roof support |
DE2629788C3 (de) * | 1976-07-02 | 1981-08-13 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Einrichtung zur Staubabsaugung in untertägigen Gewinnungsbetrieben unter Verwendung der Hohlprofile der Ausbaugestelle als Absaugleitungen |
DE2646563C3 (de) * | 1976-10-15 | 1979-08-09 | Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum | Ausbau für den Saumbereich eines Strebs |
DE2732339C2 (de) * | 1977-07-16 | 1990-03-29 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Strebausbau, insbesondere Strebrandausbau |
DE2808205C2 (de) * | 1978-02-25 | 1985-10-10 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Steuerung für eine an der Kappe oder an dem Bruchschild eines Schreitausbaus angeordnete Spaltabdeckung |
CN109869175A (zh) * | 2019-03-15 | 2019-06-11 | 济宁矿业集团有限公司霄云煤矿 | 一种综采工作面混合式超前支护方法 |
CN109956396A (zh) * | 2019-04-19 | 2019-07-02 | 安徽省矿业机电装备有限责任公司 | 单元式支架起吊结构 |
CN113653524A (zh) * | 2021-09-22 | 2021-11-16 | 中国煤炭科工集团太原研究院有限公司 | 一种破碎顶板综采面液压支架回撤三角区临时支护装置 |
-
1974
- 1974-01-19 GB GB2628/74A patent/GB1512001A/en not_active Expired
-
1975
- 1975-01-17 BE BE152449A patent/BE824477A/fr not_active IP Right Cessation
- 1975-01-20 ZA ZA00750367A patent/ZA75367B/xx unknown
- 1975-01-20 DE DE2502109A patent/DE2502109B2/de not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115288518A (zh) * | 2022-09-20 | 2022-11-04 | 陈朝敬 | 一种市政基坑施工的安全支防护装置 |
Also Published As
Publication number | Publication date |
---|---|
GB1512001A (en) | 1978-05-24 |
ZA75367B (en) | 1976-03-31 |
DE2502109B2 (de) | 1978-10-05 |
DE2502109A1 (de) | 1975-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: DOWTY MINING EQUIPMENT LTD Effective date: 19890131 |