Crank press slide power drive - uses eccentric shaft in cups with double rim satellite gears working with fixed and adjusting centre gears

摘要

The drive crank is powered through a gear transmission whose double rim satellite wheels engage an adjusting centre wheel and otherwise the fixed centre gears forming part of the transmission. Cups (11,12) rigidly secured within the housing (1) contain a coaxially mounted eccentric drive shaft (13) whose offset cams (24,24) carry the double rim satellite gears (27,28). The crank consists of an eccentric ring (18) turning round the shaft within the specified cups. The axis of the shaft coincides with that of the ring passing through the centre of its inside circumference. The adjusting and fixed centre wheels (21,22,23) have internal gear rims and are set inside the ring (18) coaxial with the shaft. The adjustable gear (21) is rigidly secured to the ring, and gears (22,23) similarly rigidly to the two cups.. The power drive is for slow running crank press or shear operations. The design is compact and of modest dimension without loss of functional efficiency. The closed transmission system permits liquid lubricants with improved bearing capacity and less noise.