Active temporary roof support apparatus
The invention relates to an active temporary roof support apparatus (1) for attachment to a mining machine (100), comprising at least one set (2, 4) of support members (6, 8, 10, 12), each set (2, 4) comprising at least a first support member (6, 10) and a second support member (8, 12) for supportin...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention relates to an active temporary roof support apparatus (1) for attachment to a mining machine (100), comprising at least one set (2, 4) of support members (6, 8, 10, 12), each set (2, 4) comprising at least a first support member (6, 10) and a second support member (8, 12) for supporting the roof of an underground tunnel, and a drive assembly (20) for driving the set (2, 4) of support members (6, 8, 10, 12) such that the first and second support members (6, 8, 10, 12) are sequentially moved for engaging the roof such that the roof is supported by at least one support member (6, 8, 10, 12) during an excavation operation of the mining machine (100). The invention also relates to a mining machine (100) and a corresponding method. |
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