| 摘要 |
In a drum cutter-loader underground mining machine, wherein the drum is rotatably carried by an arm arranged adjacent to the coal face side of the machine. The arm is pivotally adjusted by a number of pressure cylinders and carried on an axis arranged between a machine body and a housing of a drive motor for the drum. The cylinders are carried by the machine body on a common axis with their piston rods connected to the housing on a common axis, the pivot axes of the arm, cylinders and the piston rod connections being parallelly arranged.
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