| 摘要 |
The present invention relates to a rod-measuring cylinder. The rod-measuring cylinder includes: a body (110) which has a hollow inside, an open upper portion, and which is formed with a first inflow hole (111) on one side of a lower portion and a second inflow hole (112) on one side of the upper portion; pistons (130) which are inserted inside the body (110) and which are capable of moving up and down through a fluid circulated through the first inflow hole (111) or the second inflow hole (112); and a rod (131) which is installed on top of the pistons (13), and which is capable of moving up and down, while being exposed on the horizontal direction. |
