SWING LOCK DEVICE FOR CONSTRUCTION EQUIPMENT

摘要

Disclosed is a swing lock device for construction equipment which allows an operator inside a cabin to check whether a locking device for locking a swing device is locked or unlocked or to operate the locking of the locking device. Provided is a swing lock device for construction equipment, comprising: a lower travel body; an upper swiveling body which is pivotally mounted on the lower travel body by a swing device; a ring gear for locking the swing device formed on an outer surface of a ring gear for the swing device forming the swing device; an actuator for engaging or disengaging a locking gear that is formed correspondingly so as to be tooth-engaged with the ring gear for locking the swing device and fixed to a cylinder rod; an alignment setting checking sensor for detecting whether setting has been completed by a tooth engagement between the ring gear for locking the swing device and the locking gear due to the drive of the actuator; and a swing lock/unlock detecting sensor for detecting a swing lock state in which the locking gear is engaged into the ring gear for locking the swing device due to the drive of the actuator, or a swing unlock state in which the locking gear is disengaged from the ring gear for locking the swing device.