A rod securing device includes a securing plate and a first driving arm. The securing plate is capable of receiving a rod. The first driving arm is located in the securing plate. The first driving arm is capable of moving along a first direction. The first driving arm includes a first engaging portion and is capable of moving from a securing position, where the first engaging portion of the first driving arm is capable of engaging the rod received in the securing plate, to a release position, where the first engaging portion is capable of being disengaged from the rod received in the securing plate.