Active temporary roof support apparatus
AssigneeSandvik Intellectual Property AB
InventorsThomas Galler, Bruno Reumuller
Life of this patent
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Abstract
An active temporary roof support apparatus for attachment to a mining machine includes at least one set of support members, each set including at least a first support member and a second support member for supporting the roof of an underground tunnel. A drive assembly is arranged to drive the set of support members, such that the first and second support members are sequentially moved for engaging the roof so that the roof is supported by at least one support member during an excavation operation of the mining machine. A mining machine and a corresponding method is also provided.
Claims17
An active temporary roof support apparatus for attachment to a mining machine, comprising:
- first and second sets of support members arranged adjacent to each other facing an advance direction of the machine such that the first set of support members is arranged on a lateral side of the second set of support members, each set of the first and second sets of support members including at least a first support member and a second support member arranged to support a roof of an underground tunnel;
- and
- a drive assembly arranged to drive the at least one set of support members such that the first and second support members are sequentially moved for alternatingly engaging the roof such that the roof is supported by at least one support member during an excavation operation of the mining machine, the first and second support members of the first set of support members being configured to be driven to move independently from the first and second support members of the second set of support members.
Dependencies are inferred from the claim text.