Function description:Tumbler step forward rack includes fixed supporting rack, pushing pipe rack(include tumbler pushing pipe arm),gear and rack transmission,motor reducer drive device. Laying polyurethane on the roller surface which is at the end of fixed supporting rack and pushing pipe arm.This won’t make any damage to the external coating of the pipe.

Gear is driven by motor reducer, pushing pipe rack moving forward translation driven by rack.When the tumbler pushing pipe arm which is on the pushing pipe rack touching pipes,pushing pipe to roll on the platform.When the pipe rolled to the right position,the motor reducer rotate the drive gear reversedly,pushing pipe rack return driven by rack.Tumbler pushing pipe arm go across pipes,get back to its original position; Then begin next circulation.