Lever trigger type guardrail turnover driving device and bridge guardrail

The invention provides a lever trigger type guardrail overturning driving device and a bridge guardrail, belongs to the field of building construction, and aims to solve the problem that an existing bridge guardrail overturning electric driving device is easily damaged when flood comes and the problem of manpower resource waste in the process of manually overturning the guardrail, the lever trigger type guardrail overturning driving device comprises a trigger mechanism and a driving mechanism; the trigger mechanism comprises a floating block, a cross rod, a supporting seat and a trigger guide rod, the cross rod and the supporting seat form a lever structure, a limiting assembly is hinged to the trigger guide rod, the trigger guide rod arranged at one end is driven by the floating block located at the other end to slide up and down along a guide hole, and meanwhile the limiting assembly is driven to be folded and unfolded; the driving mechanism is used for triggering and resetting the driving mechanism, the dr