The invention provides a lifting rotating base which comprises a supporting disc, an action cylinder, a groove pipe and a support. The bottom of the supporting disc is fixedly connected with the top of the action cylinder. The groove pipe is arranged on an outer cylinder body of the action cylinder in a sleeving manner. The bottom of the groove pipe is connected with the support. The action cylinder comprises a steel ball casing, big steel balls, small steel balls and a limiting lining. The limiting lining is arranged in the steel ball casing. The big steel balls and the small steel balls are arranged on multiple ramp grooves in the limiting lining. The lower portion of the steel ball casing is provided with holes which are matched with the big steel balls and the small steel balls and located in the same plane. The big steel balls and the small steel balls are locked in the corresponding ramp grooves of the limiting lining. The bottom of a sleeve is fixedly connected with the limiting lining. Multiple planes of an inner pipe body of the groove pipe are provided with ball grooves matched with the small steel balls and locking holes matched with the big steel balls. The lifting rotating base is simple in operation, reliable in work, high in strength, free of environment restriction, small in required space, capable of being applied to vehicles, ships and warships, airplane seats of different types and easy to apply and popularize.
Lifting rotating base
2015-12-16
Patent
Electronic Resource
English
ROTATING SHAFT LIFTING JIG AND ROTATING SHAFT LIFTING METHOD
European Patent Office | 2016
|Rotating shaft lifting jig and rotating shaft lifting method
European Patent Office | 2017
|