Machine for cleaning up the walls of underground galleries

Details Machine for cleaning up the walls of underground galleries Machine for cleaning up the walls of underground galleries

E - Fixed Constructions

21

C

37/1, 262/67

E21C 27/01 (2006.01)

Patent

CA 1051195

ABSTRACT OF THE DISCLOSURE A machine is disclosed for cleaning up the roofs and working faces of underground galleries tunnelled by blasting. The machine comprises a self- propelled chassis, preferably equipped with pneumatic-tyred wheels connected to the chassis by pivotable arms, a platform arranged below the chassis being designed to rest upon the ground and thus to support the machine when it is in operation. A first lever, constituting a boom and adapted to pivot verti- cally in order to adjust the operable height, is hinged to the chassis. A second lever, the arm, adapted to pivot horizontally, is hinged to the free end of the first lever. A third lever, the tool proper, is hinged to the end of the arm. The movements of the levers are controlled by jacks for the pur- pose of moving the tool along the walls.

272018

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