Tubbing shell for producing tubbing, has carriage arrangement comprising suspension element, which elastically supports base plate, where shell is supported on carriage arrangement with carrying wheels

摘要

The shell (2) has a base plate (4), to which side walls (6) of the tubbing shell are movably fastened, where the shell is supported on a carriage arrangement with carrying wheels (14a, 14c). The carriage arrangement comprises a suspension element (15), which elastically supports the base plate. The suspension element is attached to each of the carrying wheels, and is formed by a helical spring. The suspension element is arranged between the plate and a longitudinal control arm attached to the wheels.