Translation device for rear supporting facility of shield tunneling machine

In order to solve the problems of long translation period and large workload of the rear supporting facility of the shield tunneling machine, the utility model provides a translation device for the rear supporting facility of the shield tunneling machine, which comprises a bottom steel plate, a transverse track beam, a battery car longitudinal track beam, a trolley longitudinal track beam and a trolley cushion frame, the transverse track beam is horizontally distributed in the left-right direction in the length direction and fixedly connected to the upper portion of the bottom steel plate, the battery car longitudinal track beam and the trolley longitudinal track beam are fixedly connected to the upper portion of the bottom steel plate and perpendicularly distributed on the outer side of the transverse track beam, and the trolley cushion frame is slidably connected to the upper portion of the transverse track beam. A traction mechanism used for driving the trolley cushion frame to move in the length direction