Patent ID: 9545934
Date: 2017-01-17
CPC Classifications: B61G

Claim:
1. A balancing apparatus for a transition coupler, wherein the balancing apparatus for a transition coupler is arranged on an upper end face of the transition coupler; the balancing apparatus for a transition coupler comprises a rotating shaft arranged on the transition coupler, a rotating rod and a top seat; the rotating rod comprises an upper end plate and a lower end plate, a ramp protrusion is arranged between the upper end plate and the lower end plate, the ramp protrusion is located on a side face of the lower end plate, the ramp protrusion is of a sheet protruding structure; when the upper end plate and the lower end plate of the rotating rod serve as a reference, in a longitudinal direction, the ramp protrusion is of a structure that the ramp protrusion outward inclines towards the rotating rod, one end of the rotating rod is arranged on the rotating shaft, a pin shaft is arranged at the other end of the rotating rod, an eyelet bolt is further arranged on the pin shaft, and the rotating rod can rotate around the rotating shaft and hinged to the eyelet bolt through the pin shaft; a through hole is formed in the top seat, the eyelet bolt penetrates through the through hole in the top seat, a nut is fixedly arranged at a tail end of the eyelet bolt, a spring is arranged between the nut and the through hole in the top seat, and a diameter of the spring is larger than a diameter of the through hole in the top seat.