GB1243426A - Improvements in or relating to movable support assemblies for mineral mines - Google Patents
Improvements in or relating to movable support assemblies for mineral minesInfo
- Publication number
- GB1243426A GB1243426A GB1025869A GB1025869A GB1243426A GB 1243426 A GB1243426 A GB 1243426A GB 1025869 A GB1025869 A GB 1025869A GB 1025869 A GB1025869 A GB 1025869A GB 1243426 A GB1243426 A GB 1243426A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resilient
- advancing
- relating
- movable support
- mine roof
- 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.)
- Expired
Links
- 230000000712 assembly Effects 0.000 title 1
- 238000000429 assembly Methods 0.000 title 1
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
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
- E21D23/04—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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
1,243,426. Advancing mine roof supports. GEWERKSCHAFT EISENHUTTE WESTFALIA. 26 Feb., 1969 [9 March, 1968; 16 May, 1968], No. 10258/69. Heading E1P. In an advancing mine roof support assembly comprising two frames 42, 44 and 33, 34, 35, 36 adapted to be advanced alternately by rams 48, 49, the units 33, 34 and 35, 36 are interconnected by resilient bridging means 37 having guide means 39 slotted at 40 to receive resilient bars 41, 46 arranged as shown to maintain relative, vertical alignment between the frames during advance. In a modification, see Figs. 1 and 2, (not shown) the central frame is replaced by a single prop connected to the outer frame units by a resilient bar slidably received in a guiding device carried by a resilient bridging element which also carries the cylinder of the advancing ram.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681608277 DE1608277A1 (en) | 1968-03-09 | 1968-03-09 | Hydraulically moving support frame with a single ram in front |
| DE19681758344 DE1758344C3 (en) | 1968-05-16 | Hydraulically moving longwall construction with at least three interconnected frames |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1243426A true GB1243426A (en) | 1971-08-18 |
Family
ID=25753597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1025869A Expired GB1243426A (en) | 1968-03-09 | 1969-02-26 | Improvements in or relating to movable support assemblies for mineral mines |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4827563B1 (en) |
| FR (1) | FR1596213A (en) |
| GB (1) | GB1243426A (en) |
-
1968
- 1968-12-20 FR FR1596213D patent/FR1596213A/fr not_active Expired
-
1969
- 1969-01-20 JP JP44004049A patent/JPS4827563B1/ja active Pending
- 1969-02-26 GB GB1025869A patent/GB1243426A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1596213A (en) | 1970-06-15 |
| JPS4827563B1 (en) | 1973-08-23 |
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