Patent ID: 11867349
Assignee: VIETTEL GROUP
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A self-balancing two-rotation driving mechanism combining longitudinal and lateral rotation which can control each rotation independently, comprising;
a longitudinal rotation motor for driving longitudinal rotation, said longitudinal rotation motor is fixed in a hub of a base frame and motor torque is transferred through a parallelogram to a longitudinal rotation frame;
the base frame has walls and plural hubs are provided on the walls of the base frame assemble the longitudinal rotation motor, a first longitudinal rotation shaft, and a second longitudinal rotation shaft which are concentric;
the longitudinal rotation frame is hung on the first and second longitudinal rotation shafts with a couple of bearings and connects with an upper twin connecting rod by bolts;
a longitudinal rotation angle sensor is connected directly with the longitudinal rotation frame;
a longitudinal rotation limitation pin is fixed in a wall of the base frame and goes in groove on the longitudinal rotation frame in order to set a rotation limitation of the longitudinal rotation frame;
the first and second longitudinal rotation shafts are designed with multi sections in order to push into the hubs on the wall of the base frame and be tightened by bolts from outside;
the longitudinal rotation motor generates torque and transfers to a lower twin connecting rod, then to two of single connecting rod; both of the single connecting rods drive upper twin connecting rod; these connecting rods work as parallelogram to increase the stability when transferring torque from said longitudinal rotation motor to the longitudinal rotation frame;
the lower twin connecting rod comprises a hub in a middle to fix with an output ring of longitudinal rotation motor and be tightened by first and second bolts.