| 摘要 |
Apparatus for use in driving a mining machine into a driveway extending laterally from a mine roadway comprises a chain of axially extending push rods for engaging the mining machine, each push rod being coupled to an adjacent push rod by a connection which allows relative pivotal movement of the push rods, and feeder apparatus comprising a first thrust mechanism acting in the direction of the driveway and arranged to apply force to that part of the chain aligned with the driveway, and a second thrust mechanism acting in the direction of the roadway and arranged to apply force to that part of the chain aligned along the roadway, and a control device for operating the first and second thrust mechanisms together.
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