Single-degree-of-freedom scissor linkage type telescopic rib type antenna folding and unfolding mechanism

The invention provides a single-degree-of-freedom scissor-fork linkage type telescopic rib type folding and unfolding antenna mechanism which comprises P scissor-fork telescopic assemblies and a driving assembly, the scissor-fork telescopic assemblies are arranged on the outer side of the driving assembly in a circumferential array mode, and each scissor-fork telescopic assembly comprises a first scissor-fork arm, a second scissor-fork arm, a third scissor-fork arm and a fourth scissor-fork arm, the shear fork arms are connected through revolute pairs, the driving assembly comprises a driving motor, a speed reducer, a first bearing, a lifting seat, a lifting lead screw, a fixing seat, a second bearing, an end cover and a fixing support, the first end of the first shear fork arm is connected with the lifting seat of the driving assembly, and the first end of the second shear fork arm is connected with the fixing seat of the driving assembly. Reciprocating linear motion of the lifting seat on the lifting lead s