FRAME OF TWO-AXIAL RAIL BARROW Russian patent published in 2008 - IPC B61F5/52 

FIELD: transport.

SUBSTANCE: barrow frame includes longitude (1) and transverse (2) beams with supports (15, 16) for traction motor, connected with each other and having transverse box cross-section. Frame is fitted with roughness rims (12), installed by pairs in longitude beams in place of joint with transverse beams and made as vertical sheets, fixed along perimeter to inner walls of longitude beam under angle to side walls of longitude beams. First vertical side of each rib is located in front of vertical side of transverse beam lateral sheet. On external mating surfaces of longitude and transverse beams joint plates are located made as arched sheets. Force elements for traction motor arms fixation are made as transitory cylinder bushings, fixed in transverse beams holes. External side walls of longitude beams are made of several parts, central parts are located between roughness ribs.

EFFECT: increase of frame durability and its maintainability.

7 cl, 5 dwg