Full-cut heading machine

Abstract

In a full-cut heading machine including a drill head ( 1 ) for hard rock, which is rotationally mounted about an axis of rotation ( 6 ) extending in the driving direction, as well as downstream extraction tools ( 5 ) for producing a floor widened in the floor region, the downstream extraction tools ( 5 ) are arranged on the shells, and optionally end faces, of rollers ( 3, 4 ) rotationally mounted transversely to the axis of rotation ( 6 ) of the drill head ( 1 ).

1 - 8 . (canceled) 
   
   
       9 . A full-cut heading machine, comprising:
 a drill head configured for drilling hard rock in a mine, said drill head comprising extraction tools ( 2 ) and being rotationally mounted about an axis of rotation extending in a driving direction of the heading machine; and   downstream extraction tools ( 5 ) configured to produce a floor widened in a floor region of the mine,   wherein   the downstream extraction tools ( 5 ) are distributedly arranged on shells of rollers rotationally mounted transversely to the axis of rotation of the drill head, and substantially parallelly to a plane of the floor.   
   
   
       10 . A full-cut heading machine according to  claim 9 , wherein the extraction tools ( 2 ) and the downstream extraction tools ( 5 ) are roller bits. 
   
   
       11 . A full-cut heading machine according to  claim 9 , wherein
 two of said rollers are rotationally mounted, at a position outside a vertical longitudinal central plane of the heading machine, and wherein an axial length of each of said two rollers is between 50 and 75% of a length of a radius of the drill head.   
   
   
       12 . A full-cut heading machine according to  claim 9 , wherein the downstream extraction tools ( 5 ) are mounted on the shells of the rollers with axes of rotation of the downstream extraction tools ( 5 ) extending substantially parallelly to axes of rotation of the rollers. 
   
   
       13 . A full-cut heading machine according to  claim 9 , wherein axial distances between the downstream extraction tools ( 5 ) distributedly arranged on the shells are 75 to 100% of radial distances between the extraction tools ( 2 ) of the drill head. 
   
   
       14 . A full-cut heading machine according to  claim 9 , wherein the rollers are drivable for rotation from the floor upwardly to a mine face of the mine. 
   
   
       15 . A full-cut heading machine according to  claim 9 , wherein the heading machine further comprises a carrier coupled with the drill head, and one or more of the drill head and the carrier carries clearing tools configured to take up excavated material, said clearing tools being movable onto a haulage device via a discharge site. 
   
   
       16 . A full-cut heading machine according to  claim 9 , further comprising a slide-like floor support extending from an end of said heading machine facing the mine face, said floor support being arranged beyond a projection of the axes of rotation of the rollers onto the floor, and in a vertical longitudinal central plane of the heading machine. 
   
   
       17 . A full-cut heading machine according to  claim 9 , wherein further comprising downstream extraction tools ( 5 ) mounted on end faces of the rollers. 
   
   
       18 . A full-cut heading machine according to  claim 11 , wherein the axial length of each of said two rollers is between 60 and 70% of a length of a radius of the drill head. 
   
   
       19 . A full-cut heading machine according to  claim 15 , wherein the clearing tools are one or more of chutes and folding shovels. 
   
   
       20 . A full-cut heading machine according to  claim 10 , wherein
 two of said rollers are rotationally mounted, at a position outside a vertical longitudinal central plane of the heading machine, and wherein an axial length of each of said two rollers is between 50 and 75% of a length of a radius of the drill head.   
   
   
       21 . A full-cut heading machine according to  claim 10 , wherein the downstream extraction tools ( 5 ) are mounted on the shells of the rollers with axes of rotation of the downstream extraction tools ( 5 ) extending substantially parallelly to axes of rotation of the rollers. 
   
   
       22 . A full-cut heading machine according to  claim 11 , wherein the downstream extraction tools ( 5 ) are mounted on the shells of the rollers with axes of rotation of the downstream extraction tools ( 5 ) extending substantially parallelly to axes of rotation of the rollers. 
   
   
       23 . A full-cut heading machine according to  claim 10 , wherein axial distances between the downstream extraction tools ( 5 ) distributedly arranged on the shells are 75 to 100% of radial distances between the extraction tools ( 2 ) of the drill head. 
   
   
       24 . A full-cut heading machine according to  claim 11 , wherein axial distances between the downstream extraction tools ( 5 ) distributedly arranged on the shells are 75 to 100% of radial distances between the extraction tools ( 2 ) of the drill head. 
   
   
       25 . A full-cut heading machine according to  claim 12 , wherein axial distances between the downstream extraction tools ( 5 ) distributedly arranged on the shells are 75 to 100% of radial distances between the extraction tools ( 2 ) of the drill head. 
   
   
       26 . A full-cut heading machine according to  claim 10 , wherein the rollers are drivable for rotation from the floor upwardly to a mine face of the mine. 
   
   
       27 . A full-cut heading machine according to  claim 11 , wherein the rollers are drivable for rotation from the floor upwardly to a mine face of the mine. 
   
   
       28 . A full-cut heading machine, comprising:
 a drill head configured for drilling hard rock in a mine, said drill head comprising extraction tools ( 2 ) and being rotationally mounted about an axis of rotation extending in a driving direction of the heading machine; and   downstream extraction tools ( 5 ) configured to produce a floor widened in a floor region of the mine,   wherein   the downstream extraction tools ( 5 ) are arranged on shells and on end faces of rollers rotationally mounted transversely to the axis of rotation of the drill head, and substantially parallelly to a plane of the floor,   the extraction tools ( 2 ) and the downstream extraction tools ( 5 ) are roller bits,   two of said rollers are rotationally mounted at a position outside a vertical longitudinal central plane of the heading machine,   an axial length of each of said two rollers is between 60 and 70% of a length of a radius of the drill head,   the downstream extraction tools ( 5 ) are mounted on the shells of the rollers with axes of rotation of the downstream extraction tools ( 5 ) extending substantially parallelly to axes of rotation of the rollers,   axial distances between the downstream extraction tools ( 5 ) distributedly arranged on the shells are 75 to 100% of radial distances between the extraction tools ( 2 ) of the drill head,   the rollers are drivable for rotation from the floor upwardly to a mine face of the mine,   and wherein the heading machine further comprises:
 a carrier coupled with the drill head, wherein one or more of the drill head and the carrier carries one or more of chutes and folding shovels configured to take up excavated material and said one or more of chutes and folding shovels are movable onto a haulage device via a discharge site, and 
 a slide-like floor support extending from an end of said heading machine facing the mine face, said floor support being arranged beyond a projection of the axes of rotation of the rollers onto the floor, and in a vertical longitudinal central plane of the heading machine.