1results about How to "Does not occupy effective space" patented technology

The application discloses a kind of quick connecting device of air pressure self-locking of ship rudder blade, it is related to rudder blade assembly technical field, including the rudder knob hole being opened on ship body, and the rudder pin being fixedly arranged on rudder blade and being inserted with the rudder knob hole cooperation, further include: the annular groove being opened in the upper and lower ends of the rudder knob hole;Centering guide mechanism is arranged in annular groove;Probe rod assembly is rotationally arranged in two annular grooves respectively.The quick connecting device of air pressure self-locking of ship rudder blade inserts centering guide mechanism and probe rod assembly in the inner wall of rudder knob hole by annular groove, does not occupy effective space.Cylinder, piston, air hole constitute active air extraction structure, eliminate the air cushion resistance generated by hot mounting.The upper probe rod is slidably connected with transmission rod, and the centering is completed synchronously when the rudder pin rises.Linkage block is linked with centripetal chuck, and is automatically locked after reaching position, realizes the assembly of centering and locking.