Suction dredge

Details Suction dredge Suction dredge

E - Fixed Constructions

02

F

E02F 3/88 (2006.01) E02F 3/92 (2006.01)

Patent

CA 2235859

A suction dredge for the planned taking up of suction material, partic- ularly for excavating soil from underground pipes, has a pneumatic suction hose for taking up the suction material and at whose lower end is provided a suction stub. At its opposite, upper end the suction hose issues into a collecting tank. To simplify the handling of the suction stub, it is provided with a guide body fitted to the suction hose and a suction nozzle axially movable relative thereto and which by means of a drive mechanism can be retracted into and extended from the guide body. As a result the stroke frequency of the suction nozzle and/or its stroke length and/or the impact energy on the soil can be adjusted.

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