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US 4,005,905 AGranted
Excavating machine
AssigneeLinden-Alimak AB
InventorMichel Dubois
Life of this patent
Estimating the term…
Abstract
A machine for excavating underground galleries, comprising a frame displaceable within a gallery, an arm pivotally connected to said frame, means for adjusting the orientation of said arm in a plurality of directions, said arm having a rotary tool carrier provided with cutting tools distributed over the periphery thereof located to operate in a plane perpendicular to the direction of the arm, the machine having means enabling the pivotal connection between the arm and the frame to occupy two distinct alternative positions, in each of which positions the means supporting said pivotal connection can be immobilized.
Claims50
A machine for excavating underground galleries comprising
- a frame movable to advance in a forward movement generally along an axis in the direction of excavation within a gallery which is being excavated,
- tool carrying arm means,
- pivotal connecting means for connecting said arm means to said frame for vertical swinging movement,
- means for adjusting the orientation of said arm in a plurality of directions with respect to a vertical plane,
- said arm means including a rotary tool carrier supported thereon and provided with cutting tools distributed over the periphery thereof and positioned to operate in a plane perpendicular to the direction of said arm,
- means for rotating said rotary tool carrier,
- means for moving said pivotal connecting means to occupy at least two alternative positions above the floor of the gallery being excavated having different displacements transverse to said axis in the direction of excavation to thereby provide for excavation at different ranges of transverse displacement,
- said pivotal connecting means including operable for imparting said vertical swinging movement to said arm means during excavation rotation of said rotary tool carrier in each of said alternative positions of said pivotal connecting means to thereby provide a vertical swinging excavating movement from each of said positions.
5 more elements
A machine for excavating underground galleries comprising
- a frame movable to advance in a forward movement generally along an axis in the direction of excavation within a gallery which is being excavated,
- tool carrying arm means comprising at least two arms,
- pivotal connecting means for connecting said arms to said frame for vertical swinging movement,
- means for adjusting the orientation of said arms in a plurality of directions with respect to a vertical plane,
- each of said arms including a rotary tool carrier supported thereon and provided with cutting tools distributed over the periphery thereof and positioned to operate in a plane perpendicular to the direction of the associated arm,
- means for moving said pivotal connecting means to occupy at least two alternative positions above the floor of the gallery being excavated having different displacements trnsverse to said axis in the direction of excavation to thereby provide for excavation at different ranges of transverse displacement,
- means for rotating said rotary tool carriers,
- said pivotal connecting means including means operable for imparting said vertical swinging movement to said arm means during excavation rotation of said rotary tool carriers in each of said alternative positions of said pivotal connecting means to thereby provide a vertical swinging excavating movement from each of said positions.
5 more elements
A machine for excavating underground galleries comprising
- a frame movable to advance in a forward movement generally along an axis in the direction of excavation within a gallery which is being excavated,
- tool carrying arm means,
- pivotal connecting means for connecting said arm means to said frame for vertical swinging movement,
- means for adjusting the orientation of said arm in a plurality of directions with respect to a vertical plane,
- said arm means including a rotary tool carrier supported thereon and provided with cutting tools distributed over the periphery thereof and positioned to operate in a plane perpendicular to the direction of said arm,
- means for moving said pivotal connecting means to occupy at least two alternative positions above the floor of the gallery being excavated having different displacements transverse to said axis in the direction of excavation to thereby provide for excavation at different ranges of transverse displacement,
- said arm means including a pluraltiy of tool carriers whose axes of rotation are parallel to one another and to the axis of said supporting arm,
- the tools of said tool carriers operating in a plane perpendicular to the axes of rotation thereof,
- means for rotating said rotary tool carriers,
- said pivotal connecting means including means operable for imparting said vertical swinging movement to said arm means during excavation rotation of said rotary tool carriers in each of said alternative positions of said pivotal connecting means to thereby provide a vertical swinging excavating movement from each of said positions.
7 more elements
A machine for excavating underground galleries comprising
- a frame movable to advance in a forward movement generally along an axis in the direction of excavation within a gallery which is being excavated,
- tool carrying arm means,
- pivotal connecting means for connecting said arm means to said frame for vertical swinging movement,
- means for adjusting the orientation of said arm in a plurality of directions with respect to a vertical plane,
- said arm means including a rotary tool carrier supported thereon and provided with cutting tools distributed over the periphery thereof and positioned to operate in a plane perpendicular to the direction of said arm,
- means for rotating said rotary tool carrier,
- means for moving said pivotal connecting means to occupy at least two alternative positions above the floor of the gallery being excavated having different displacements transverse to said axis in the direction of excavation to thereby provide for excavation at different ranges of transverse displacement,
- said pivotal connecting means including means operable for imparting said vertical swinging movement to said arm means during excavation rotation of said rotary tool carrier in each of said alternative positions of said pivotal connecting means to thereby provide a vertical swinging excavating movement from each of said positions,
- each tool carrier including finishing tools disposed in a plane which is parallel with that of the cutting tools,
- the finishing tools being retractable in both the axial and radial directions.
7 more elements
Dependencies are inferred from the claim text.