Bevel friction ring gearing and method for mounting or producing a bevel friction ring gearing

Abstract

The aim of the invention is to further develop a bevel friction ring gearing. The invention thus relates to a bevel friction ring gearing in which the friction ring can be displaced by means of an adjusting device that comprises a guide on which an adjusting bridge for the friction ring is arranged in a free axially displaceable manner. The adjusting device comprises a worm-gear drive that engages with the guide.

1 - 27 . (canceled) 
     
     
         28 . A bevel friction ring gearing ( 1 ) comprising:
 a drive cone ( 2 );   a drive ( 44 );   a positive connection ( 43 ) wherein said drive cone ( 2 ) is operationally connected with said drive ( 44 ) via said positive connection ( 43 ), wherein the operational connection comprises a positive connection which is secured via a central screw.   
     
     
         29 . The bevel friction ring gearing ( 1 ) according to  claim 28 , wherein the central screw is a tensile screw. 
     
     
         30 . A bevel friction ring gearing ( 1 ) comprising:
 a drive cone ( 2 );   a drive ( 44 );   a positive connection ( 43 ) wherein said drive cone ( 2 ) is operationally connected with said drive ( 44 ) via said positive connection ( 43 ), wherein the operational connection comprises a positive connection which is secured via a tensile screw.   
     
     
         31 . The bevel friction ring gearing ( 1 ) according to  claim 29 , wherein the tensile screw ( 42 ) has a clamping length which is greater, preferably substantially greater, than the screw diameter, and most preferably at least twice the size of the screw diameter. 
     
     
         32 . The bevel friction ring gearing ( 1 ) according to  claim 30 , wherein the tensile screw ( 42 ) has a clamping length which is greater, preferably substantially greater, than the screw diameter, and most preferably at least twice the size of the screw diameter. 
     
     
         33 . The bevel friction ring gearing ( 1 ) according to  claim 30 , wherein the tensile screw ( 42 ) has a tensile length which is greater than the setting length of the bevel friction ring gearing ( 1 ), more preferably its bearing race. 
     
     
         34 . A bevel friction ring gearing comprising:
 separate fluid spaces ( 39 ,  41 ) for a traction fluid and for a lubricant fluid;   two gearing sides ( 30 ,  31 ), of which the one ( 31 ) is arranged on the side of the cone tip ( 71 ) of the drive cone ( 2 ) and the other ( 30 ) on the side of the cone foot ( 73 ) of the drive cone ( 2 );   wherein at least one of said fluid spaces ( 39 ) for the lubricant fluid comprises at least two part spaces ( 37 ,  38 ) and a first part space ( 37 ) is arranged on one gearing side ( 30 ) and a second part space ( 38 ) is arranged on another gearing side ( 31 ), wherein a lubricant channel ( 40 ) connects two part spaces ( 37 ,  38 ) and penetrates one ( 2 ) of the cones ( 2 ,  3 ).   
     
     
         35 . The bevel friction ring gearing ( 1 ) according to  claim 34 , wherein the lubricant channel ( 40 ) comprises two cone inlet openings to a rotating channel region ( 64 ) with diameters deviating from each other. 
     
     
         36 . The bevel friction ring gearing ( 1 ) according to  claim 34 , wherein a wall of the lubricant channel ( 40 ) in the interior ( 63 ) of the cone ( 2 ) is radially further removed from the cone axis ( 7 ) than the wall on the cone inlet openings. 
     
     
         37 . The bevel friction ring gearing ( 1 ) according to  claim 36 , wherein the lubricant channel ( 40 ) widens within the cone ( 2 ). 
     
     
         38 . The friction ring gearing ( 1 ) according  claim 34 , further comprising a screw ( 42 ) wherein the lubricant channel ( 40 ) penetrates said screw ( 42 ). 
     
     
         39 . A bevel friction ring gearing comprising:
 at least two cones ( 2 ,  3 );   at least one friction ring wherein said at least two cones interact with each other via said friction ring;   a pressing on device ( 50 ) for clamping said cones together, said pressing on device for generating a pressing-on force dependent on the rotational moment, wherein the pressing-on device ( 50 ) comprises rolling bodies ( 51 ) which are arranged in corresponding rolling body races ( 52 ,  53 ) of two bodies ( 54 ,  55 ) displaceable relative to each other, wherein one ( 52 ) of the rolling body races ( 52 ,  53 ) is formed in one ( 3 ) of the cones ( 2 ,  3 ).   
     
     
         40 . A bevel friction ring gearing comprising:
 at least two cones ( 2 ,  3 );   a friction ring wherein said at least two cones interact with each other via said friction ring ( 4 ), wherein at least one ( 2 ) of the cones ( 2 ,  3 ) comprises a separate bearing pin ( 60 ), wherein the separate bearing pin ( 60 ) is connected with the cone ( 2 ) via a seat ( 61 ,  62 ) divided in two.   
     
     
         41 . The bevel friction ring gearing ( 1 ) according to  claim 40 , wherein both part seats ( 61 ,  62 ) have a rotation-symmetrical seat surface. 
     
     
         42 . The bevel friction ring gearing ( 1 ) according to  claim 41 , wherein both part seats ( 61 ,  62 ) are arranged at different axial heights. 
     
     
         43 . The bevel friction ring gearing ( 1 ) according to  claim 42 , wherein a first part seat ( 61 ) is arranged axially outside with respect to the cone ( 2 ) and is radially larger than the second part seat ( 62 ) arranged further axially inside. 
     
     
         44 . The bevel friction ring gearing ( 1 ) according to  claim 40  wherein the cone ( 2 ,  3 ) and the separate bearing pin ( 60 ,  81 ) are connected with each other via a press fit. 
     
     
         45 . The bevel friction ring gearing ( 1 ) according to  claim 40 , wherein the cone ( 2 ,  3 ) and the separate bearing pin ( 60 ,  81 ) are welded together. 
     
     
         46 . A bevel friction ring gearing ( 1 ), comprising at least one forged cone ( 2 ,  3 ). 
     
     
         47 . The bevel friction ring gearing ( 1 ) according to  claim 46 , wherein all cones ( 2 ,  3 ) have forged assemblies. 
     
     
         48 . A bevel friction ring gearing ( 1 ) with at least two cones ( 2 ,  3 ) which interact with each other via a friction ring ( 4 ) and are clamped together via a pressing-on device ( 50 ) for generating a pressing-on force dependent on the rotational moment, wherein the pressing-on device ( 50 ) comprises two bodies ( 54 ,  55 ) displaceable relative to each other, wherein at least one of the displaceable bodies ( 54 ,  55 ) is mounted on one ( 3 ) of the cones ( 2 ,  3 ) via a needle bearing. 
     
     
         49 . The bevel friction ring gearing ( 1 ) according to  claim 48 , wherein the needle bearing is of a split design. 
     
     
         50 . A bevel friction ring gearing ( 1 ) comprising. a clutch ( 33 ) arranged on the input side and/or a clutch on the output side, wherein the clutch ( 33 ) is hydraulically activated. 
     
     
         51 . A bevel friction ring gearing ( 1 ) comprising:
 at least two cones ( 2 ,  3 );   a friction ring, wherein said at least two cones interact with each other via said friction ring ( 4 ) and   a pressing on device wherein said cones are clamped together via said pressing-on device ( 50 ) for generating a pressing-on force dependent on the rotational moment, wherein the pressing-on device ( 50 ) comprises two bodies ( 54 ,  55 ) displaceable relative to each other as well as a spring element ( 56 ), wherein the spring element ( 56 ) can be removed without removing the displaceable bodies ( 54 ,  55 ).   
     
     
         52 . A bevel friction ring gearing ( 1 ) comprising:
 at least two cones ( 2 ,  3 );   at least one friction ring wherein said at least two cones interact with each other via said friction ring ( 4 ),   a pressing on device wherein said cones are clamped together via said pressing-on device ( 50 ) for generating a pressing-on force dependent on the rotational moment; and   a plurality of bearings wherein said at least two cones are mounted in both sides in said plurality of bearings ( 88 ,  89 ,  90 ,  91 );   a plurality of bearing carriers for holding said plurality of bearings wherein said plurality of bearings are held in bearing carriers ( 92 ,  93 ), wherein both bearing carriers ( 92 ,  93 ) are designed in one piece.   
     
     
         53 . A method for producing a bevel friction ring gearing ( 1 ), comprising forging at least one of the cones ( 2 ,  3 ) into at least one forged assembly. 
     
     
         54 . The method according to  claim 53 , wherein said step of forging said cone assembly includes forging the cone surface ( 70 ).