Road paver with height-adjustable deflector plate

Abstract

The disclosure relates to a road paver for producing a paving layer from a paving material. The road paver comprises a screed, a longitudinal conveying device adapted to transport the paving material to the screed against a drive direction of the road paver, a transverse distribution arrangement, which is adapted to distribute the paving material transversely to the drive direction in front of the screed, and a deflector plate arrangement, which is arranged in front of the transverse distribution arrangement in the drive direction. The deflector plate arrangement has a height-adjustable deflector plate. The disclosure further relates to a method for operating a road paver.

What is claimed is: 
     
         1 . A road paver for producing a paving layer from a paving material, comprising:
 a screed;   a longitudinal conveying device adapted to transport the paving material to the screed against a drive direction of the road paver;   a transverse distribution arrangement adapted to distribute the paving material transversely to the drive direction in front of the screed; and   a deflector plate arrangement arranged in front of the transverse distribution arrangement in the drive direction, wherein the deflector plate arrangement has a height-adjustable deflector plate.   
     
     
         2 . The road paver according to  claim 1 , wherein the height-adjustable deflector plate is movable in height during operation of the road paver. 
     
     
         3 . The road paver according to  claim 1 , wherein the height-adjustable deflector plate is attached at least indirectly to a suspension of the transverse distribution arrangement. 
     
     
         4 . The road paver according to  claim 1 , wherein the height-adjustable deflector plate is movable in height together with the transverse distribution arrangement. 
     
     
         5 . The road paver according to  claim 1 , wherein the height-adjustable deflector plate is movable in height relative to the transverse distribution arrangement. 
     
     
         6 . The road paver according to  claim 1 , wherein the deflector plate arrangement is arranged substantially between the longitudinal conveying device and the transverse distribution arrangement. 
     
     
         7 . The road paver according to  claim 1 , wherein the height-adjustable deflector plate is pneumatically, hydraulically, electrically and/or mechanically movable in height. 
     
     
         8 . The road paver according to  claim 1 , wherein the deflector plate arrangement comprises a second deflector plate, wherein the second deflector plate is not adjustable in height, wherein the second deflector plate is arranged in front of the height-adjustable deflector plate in the drive direction. 
     
     
         9 . The road paver according to  claim 1 , wherein the deflector plate arrangement additionally comprises a comb-shaped or grid-shaped plate, wherein the comb-shaped or grid-shaped plate is adjustable in height. 
     
     
         10 . The road paver according to  claim 1 , wherein the road paver comprises a material hopper for receiving the paving material, wherein the longitudinal conveying device is adapted to convey the paving material from the material hopper toward the screed. 
     
     
         11 . The road paver according to  claim 10 , wherein the longitudinal conveying device is adapted to convey the paving material from the material hopper to the transverse distribution arrangement in front of the screed. 
     
     
         12 . The road paver according to  claim 1 , wherein the road paver comprises a control unit configured to adjust a height of the height-adjustable deflector plate. 
     
     
         13 . The road paver according to  claim 1 , wherein the road paver comprises a pre-scraper arrangement arranged behind the transverse distribution arrangement in the drive direction. 
     
     
         14 . A method for operating a road paver, the method comprising:
 conveying paving material against a drive direction of the road paver in front of a screed of the road paver; and   distributing the paving material in front of the screed transversely to the drive direction of the road paver by a transverse distribution arrangement;   wherein the road paver comprises a deflector plate arranged in front of the transverse distribution arrangement in the drive direction, and wherein the deflector plate is moved in height during operation of the road paver.   
     
     
         15 . The method for operating the road paver according to  claim 14 , wherein the deflector plate is automatically moved in height by a control unit and/or by an operator input. 
     
     
         16 . The method for operating the road paver according to  claim 14 , wherein a vertical position of the deflector plate is adjusted based on a current operating mode of the road paver.