Self-propelled ram boring machine
AssigneeTracto-Technik Paul Schmidt Maschinenfabrik KG
InventorRobert Schmelzer
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Abstract
In a self-propelled ram boring machine, in particular for making earth bores, having a striking tool at the leading end of a cylindrical housing, a striking piston movable to subject said striking tool to ramming blows, said striking piston being driven with pulsating, translatory working strokes, the striking tool is mounted in the housing to rotate about the axis of rotation and comprises kinematic means cooperating with the housing to change a translatory movement following each blow of said striking piston into a gradual rotary movement, and pneumatically operable means for initiating or interrupting the rotary movement.
Claims16
A self-propelled ram boring machine, in particular for making earth bores, having a striking tool at the leading end of a cylindrical housing, a striking piston movable to subject said striking tool to ramming blows, said striking piston being driven with pulsating, translatory working strokes, wherein said striking tool is mounted in the housing to rotate about the axis of rotation and comprises kinematic means cooperating with said housing for transforming a translatory movement following each blow of said striking piston into a gradual rotary movement, and means for initiating or interrupting the rotary movement.
Dependencies are inferred from the claim text.