Heading machine

Abstract

In a heading machine ( 1 ) including a-machine frame ( 2 ) equipped with a travelling mechanism ( 3 ), a cutter boom ( 7 ) mounted so as to be pivotable in the height direction and carrying cutting tools ( 9 ), a preferably liftable and lowerable haulage device ( 11 ), and a supporting device for bracing the heading machine ( 1 ) within the road, wherein the supporting device includes a vertical support equipped with props that are braceable between the roof and the floor and to which support plates ( 14 ) are articulately joined on the roof and floor sides, as well as a longitudinal support connecting the roof-side end of the vertical support with the machine frame ( 2 ) and carrying a dust exhaust system, the dust exhaust system is held in a frame ( 23 ) that is mounted on the longitudinal support so as to be pivotable about a substantially horizontal axis ( 24 ).

1 . A heading machine comprising
 a machine frame equipped with a travelling mechanism,   a cutter boom mounted on the heading machine so as to be pivotable in a height direction, the cutter boom carrying cutting tools,   a haulage device, and   a supporting device for bracing the heading machine within a road,   wherein the supporting device comprises a vertical support equipped with props that are braceable between a roof and a floor of a gallery, support plates being articulately joined to the props on a roof-side end and on a floor-side end thereof,   wherein the supporting device further comprises a longitudinal support connecting the roof-side end of the vertical support with the machine frame and carrying a dust exhaust system, and   wherein the dust exhaust system is supported in a dust exhaust system frame ( 23 ) that is mounted on the longitudinal support so as to be pivotable about a substantially horizontal axis ( 24 ).   
     
     
         2 . A heading machine according to  claim 1 , wherein the haulage device is configured to be liftable and lowerable. 
     
     
         3 . A heading machine according to  claim 1 , wherein the dust exhaust system comprises a wet deduster ( 21 ) received within the dust exhaust system frame ( 23 ) and comprising moistening nozzles for moistening dust entering the wet deduster ( 21 ), and a droplet separator. 
     
     
         4 . A heading machine according to  claim 1 , wherein a pivot bearing for pivotal mounting of the dust exhaust system frame ( 23 ) is arranged on an end of the machine frame facing the cutting tools ( 9 ). 
     
     
         5 . A heading machine according to  claim 1 , wherein the longitudinal support comprises two longitudinal struts ( 15 ), the dust exhaust system frame ( 23 ) being arranged between the two longitudinal struts ( 15 ) and pivotally fixed to the two longitudinal struts ( 15 ). 
     
     
         6 . A heading machine according to  claim 1 , wherein the dust exhaust system comprises a front exhaust channel ( 27 ) having a bottom plate ( 28 ) that is displaceable or pivotable in a height direction ( 30 ) such that a cross section of the front exhaust channel ( 27 ) is reduced at a collision with the cutter boom ( 7 ). 
     
     
         7 . A heading machine according to  claim 6 , wherein the front exhaust channel ( 27 ) comprises a suction opening ( 20 ) facing the cutting tools ( 9 ) and arranged in a region between the cutting tools ( 9 ) and the travelling mechanism ( 3 ). 
     
     
         8 . A heading machine according to  claim 7 , wherein the suction opening ( 20 ) is arranged in a region of the vertical support. 
     
     
         9 . A heading machine according to  claim 6 , wherein side walls of the front exhaust channel ( 27 ) are each formed by mutually overlapping and relatively displaceable upper and lower wall elements, or by a flexible wall element. 
     
     
         10 . A heading machine according to  claim 6 , wherein the front exhaust channel ( 27 ) is connected to an end of the dust exhaust system frame ( 23 ) facing the cutting tools ( 9 ). 
     
     
         11 . A heading machine according to  claim 10 , wherein a pivot bearing ( 29 ) for pivoting the bottom plate ( 28 ) of the front exhaust channel ( 27 ) is arranged in a region of connection of the front exhaust channel ( 27 ) to the dust exhaust system frame ( 23 ). 
     
     
         12 . A heading machine according to  claim 5 , wherein the dust exhaust system comprises a front exhaust channel ( 27 ) having a bottom plate ( 28 ) that is displaceable or pivotable in a height direction ( 30 ) such that a cross section of the front exhaust channel ( 27 ) is reduced at a collision with the cutter boom ( 7 ). 
     
     
         13 . A heading machine according to  claim 12 , wherein a ceiling of the front exhaust channel ( 27 ) is fixed to, or formed by, a plate ( 17 ) connecting the two longitudinal struts ( 15 ) of the longitudinal support. 
     
     
         14 . A heading machine according  claim 1 , wherein the dust exhaust system frame ( 23 ) is equipped with an intermediate channel ( 32 ) on a side of the dust exhaust system frame ( 23 ) facing the cutting tools ( 9 ). 
     
     
         15 . A heading machine according to  claim 1 , wherein at least one of the haulage device ( 11 ) and the dust exhaust system frame ( 23 ) carries a wear ledge on a site of contact between the haulage device ( 11 ) and the dust exhaust system frame ( 23 ). 
     
     
         16 . A heading machine according to  claim 1 , wherein the vertical support is arranged in a region between the cutting tools ( 9 ) and the travelling mechanism ( 3 ). 
     
     
         17 . A heading machine according to  claim 16 , wherein anchor drilling and setting devices ( 6 ) are arranged in a region between the cutting tools ( 9 ) and the travelling mechanism ( 3 ). 
     
     
         18 . A heading machine according to  claim 2 , wherein a pivot bearing for pivotal mounting of the dust exhaust system frame ( 23 ) is arranged on an end of the machine frame facing the cutting tools ( 9 ). 
     
     
         19 . A heading machine according to  claim 3 , wherein a pivot bearing for pivotal mounting of the dust exhaust system frame ( 23 ) is arranged on an end of the machine frame facing the cutting tools ( 9 ). 
     
     
         20 . A heading machine according to  claim 2 , wherein the vertical support is arranged in a region between the cutting tools ( 9 ) and the travelling mechanism ( 3 ).