公开(公告)号：US10352166B2

公开(公告)日：2019-07-16

申请号：US15516642

申请日：2015-10-02

Applicant: SANDVIK INTELLECTUAL PROPERTY AB

Inventor： Bernhard Ebner ,  Hubert Kargl

IPC: E21D9/10 ,  E21C27/24 ,  E21C25/18 ,  E21C29/22 ,  E21C35/06 ,  E21D20/00 ,  E21C25/06 ,  E21C35/08 ,  F16H57/023 ,  F15B11/16

Abstract: A cutting apparatus suitable for creating tunnels and subterranean roadways includes independently pivoting supports that each carry a respective, independently pivoting arm and a rotatable cutting head. Each cutting head, via the supports and arms, is configured to slew laterally outward in a sideways direction and to pivot in a vertical upward and downward direction. The supports and arms are mounted on a linear moving sled carried by a main frame.

公开(公告)号：US10415383B2

公开(公告)日：2019-09-17

申请号：US15738229

申请日：2015-06-22

Applicant: SANDVIK INTELLECTUAL PROPERTY AB

Inventor： Bernhard Ebner

IPC: E21D9/11 ,  E21C25/16 ,  E21D9/10 ,  E21B10/22

Abstract: The present disclosure relates to a cutter assembly for an undercutting machine for cutting a rock workface and a method of disassembling a cutter assembly. The cutter assembly includes a shaft supporting structure, a shaft at least partly arranged within the shaft supporting structure, a cutter device arranged on the shaft or the shaft supporting structure, a first rolling element arranged between the shaft supporting structure and the shaft in a floating or slidable manner in an axial direction, and a second rolling element arranged between the shaft supporting structure and the shaft. A line orthogonal to an outer surface of the second rolling element crosses the longitudinal axis of the shaft at a center plane of the first rolling element or within a range of +/−25% of an axial extension of the first rolling element from the center plane.

公开(公告)号：US10260340B2

公开(公告)日：2019-04-16

申请号：US15737996

申请日：2015-06-22

Applicant: SANDVIK INTELLECTUAL PROPERTY AB

Inventor： Bernhard Ebner ,  Christoph Haberer

IPC: E21C25/18 ,  E21C27/24 ,  E21C25/16 ,  E21C27/12 ,  E21D9/11

Abstract: A cutter assembly for an undercutting machine for cutting a rock workface and a method of assembling a cutter assembly is provided. The cutter assembly includes a shaft mountable on the machine with one end extending from the machine, and a cutter device arranged in connection to the extended end of the shaft. The cutter device is connected releasably and rotationally rigid to the shaft with a locking arrangement. The locking arrangement includes a first locking device arranged to transfer substantially axial loads, and a second locking device arranged to transfer substantially radial loads.

公开(公告)号：US10364675B2

公开(公告)日：2019-07-30

申请号：US15517427

申请日：2014-10-06

Applicant: Sandvik Intellectual Property AB

Inventor： Erich Brandl ,  Bernhard Ebner

IPC: E21D9/11 ,  C01B33/035 ,  E21D9/12 ,  E21D23/08

Abstract: A cutting apparatus suitable for creating tunnels and subterranean roadways includes independently pivoting supports that each carry a respective independently pivoting arm and a rotatable cutting head. Each cutting head, via the supports and arms, is configured to slew laterally outward in a sideways direction and to pivot in a vertical upward and downward direction. The supports and arms are mounted on a linear moving sled carried by a main frame.