SWIVEL DRIVE MACHINE FOR CONSTRUCTION MACHINE

摘要

This swivel drive device (40) for a construction machine transmits rotating driving force from a swivel motor (21) to a swiveling body (3) via a reduction gear. The swivel drive device has: a motor unit containing the swivel motor (21); a reduction gear unit that contains the reduction gear (24) and a brake member (64); a plurality of spring members (66) that impart pressing force on the brake member; and a pressing member (90) that, with respect to the spring members that each have one end that contacts the brake member, contacts the other end and presses the spring members against the brake member (64). The pressing member is affixed to a configuring member (50) of the reduction gear unit.