Full-automatic bus line lifting frame

A full-automatic bus line lifting frame is characterized in that each group of torque wrench assemblies are arranged independently, and comprise pneumatic jack hammers, sleeves, universal couplings and lifting mechanisms; the pneumatic jack hammers are equipped with first air inlets and second air inlets; the first air inlets are capable of supplying air to the forward rotation of output shafts of the pneumatic jack hammers; the second air inlets are capable of supplying air to the reverse rotation of the output shafts of the pneumatic jack hammers; and the first air inlets and the second air inlets of the pneumatic jack hammers are connected with a pneumatic pipeline assembly through three-way valves. The full-automatic bus line lifting frame has the advantages that each group of torque wrench assemblies are independent of one another and have no influence on one another, so that even if one torque wrench assembly fails, the work of other torque wrench assemblies is not influenced; the torque wrench assembli