The self moving traction machine is used for installation OPGW on hot line. Actually it is used for changing the ole earth wire with new OPGW cables.
The machine has petrol engine as driven unit for running from one tower to another tower on the earth wire, and pulling the double changing roller from one tower to another tower. With the help of chaning roller, we can use the Nylon pulling rope to change the earth wire to the OPGW cable.
After changing work, we can recover the rollers with recover machine.