Railway wagon bogie and axle box rubber spring thereof

Abstract

The present application provides an axle box rubber spring including an upper end plate, a lower end plate and a rubber member filled between the upper end plate and the lower end plate, wherein a surface, connected with the rubber member, of at least one of the upper end plate and the lower end plate is provided with a projection and a recess which are distributed alternately, and each of the projection and the recess is in a strip shape. Due to the projection and the recess which are distributed alternatively and both in a strip shape, the axle box rubber spring according to the present application has an increased rigidity, and a reliable positioning is ensured, and further the operating requirement of a heavy-haul railway wagon may be met. The present application further provides a railway wagon bogie having the axle box rubber spring.

1 . An axle box rubber spring comprising an upper end plate, a lower end plate and a rubber member filled between the upper end plate and the lower end plate, wherein
 a surface, connected with the rubber member, of at least one of the upper end plate and the lower end plate is provided with a projection and a recess which are distributed alternately, and each of the projection and the recess is in a strip shape.   
     
     
         2 . The axle box rubber spring according to  claim 1 , wherein the projection and the recess which are distributed alternately are provided on both the surface, connected with the rubber member, of the upper end plate and the surface, connected with the rubber member of the lower end plate; and the projection on the upper end plate is opposite to the recess on the lower end plate, and the recess on the upper end plate is opposite to the projection on the lower end plate. 
     
     
         3 . The axle box rubber spring according to  claim 1 , wherein
 the upper end plate comprises an upper flat plate and two upper inclined plates connected to two ends of the upper flat plate respectively, the upper inclined plate is inclined with respect to the upper flat plate, and an angle formed between the upper inclined plate and the upper flat plate is an obtuse angle;   the lower end plate comprises a lower flat plate and two lower inclined plates connected to two ends of the lower flat plate respectively, and the lower inclined plate is inclined with respect to the lower flat plate; and   the lower inclined plate and the upper inclined plate which are located at the same side have the same inclination direction.   
     
     
         4 . The axle box rubber spring according to  claim 3 , wherein
 the projection and the recess are arranged on the upper flat plate and/or the lower flat plate; and   each of the projection and the recess is extending in a longitudinal direction or in a transversal direction; the longitudinal direction is a direction of the upper flat plate extending from one upper inclined plate toward the other upper inclined plate, and the transversal direction is a direction which is perpendicular to the longitudinal direction and parallel to the upper flat plate.   
     
     
         5 . The axle box rubber spring according to  claim 3 , wherein
 the projection and the recess are arranged on the upper inclined plate and/or the lower inclined plate; and   each of the projection and the recess is extending in a transversal direction or in an inclination direction of the upper inclined plate; the transversal direction is a direction which is perpendicular to a longitudinal direction and parallel to the upper flat plate, and the longitudinal direction is a direction of the upper flat plate extending from one upper inclined plate toward the other upper inclined plate.   
     
     
         6 . The axle box rubber spring according to  claim 1 , wherein the rubber member is provided with an adjusting hole. 
     
     
         7 . The axle box rubber spring according to  claim 6 , wherein the upper end plate comprises an upper flat plate and two upper inclined plates connected to two ends of the upper flat plate respectively, the upper inclined plate is inclined with respect to the upper flat plate, and an angle formed between the upper inclined plate and the upper flat plate is an obtuse angle;
 the lower end plate comprises a lower flat plate and two lower inclined plates connected to two ends of the lower flat plate respectively, and the lower inclined plate is inclined with respect to the lower flat plate;   the lower inclined plate and the upper inclined plate which are located at the same side have the same inclination direction; and   the adjusting hole is located between the upper inclined plate and the lower inclined plate.   
     
     
         8 . The axle box rubber spring according to  claim 6 , wherein the upper end plate comprises an upper flat plate and two upper inclined plates connected to two ends of the upper flat plate respectively, the upper inclined plate is inclined with respect to the upper flat plate, and an angle formed between the upper inclined plate and the upper flat plate is an obtuse angle;
 the lower end plate comprises a lower flat plate and two lower inclined plates connected to two ends of the lower flat plate respectively, and the lower inclined plate is inclined with respect to the lower flat plate;   the lower inclined plate and the upper inclined plate which are located at the same side have the same inclination direction; and   the adjusting hole is located on a connecting part where the upper flat plate and the upper inclined plate are connected.   
     
     
         9 . The axle box rubber spring according to  claim 1 , wherein
 a blind hole is provided on an upper flat plate side or a lower flat plate side of the axle box rubber spring and is extending to the rubber member.   
     
     
         10 . The axle box rubber spring according to  claim 2 , wherein
 a blind hole is provided on an upper flat plate side or a lower flat plate side of the axle box rubber spring and is extending to the rubber member.   
     
     
         11 . The axle box rubber spring according to  claim 3 , wherein
 a blind hole is provided on an upper flat plate side or a lower flat plate side of the axle box rubber spring and is extending to the rubber member.   
     
     
         12 . The axle box rubber spring according to  claim 4 , wherein
 a blind hole is provided on an upper flat plate side or a lower flat plate side of the axle box rubber spring and is extending to the rubber member.   
     
     
         13 . The axle box rubber spring according to  claim 5 , wherein
 a blind hole is provided on an upper flat plate side or a lower flat plate side of the axle box rubber spring and is extending to the rubber member.   
     
     
         14 . The axle box rubber spring according to  claim 6 , wherein
 a blind hole is provided on an upper flat plate side or a lower flat plate side of the axle box rubber spring and is extending to the rubber member.   
     
     
         15 . The axle box rubber spring according to  claim 7 , wherein
 a blind hole is provided on an upper flat plate side or a lower flat plate side of the axle box rubber spring and is extending to the rubber member.   
     
     
         16 . The axle box rubber spring according to  claim 8 , wherein
 a blind hole is provided on an upper flat plate side or a lower flat plate side of the axle box rubber spring and is extending to the rubber member.   
     
     
         17 . A railway wagon bogie, comprising an axle box rubber spring, wherein the axle box rubber spring comprises an upper end plate, a lower end plate and a rubber member filled between the upper end plate and the lower end plate, and
 a surface, connected with the rubber member, of at least one of the upper end plate and the lower end plate is provided with a projection and a recess which are distributed alternately, and each of the projection and the recess is in a strip shape.