| 摘要 |
PURPOSE: A device for supporting a blast device to form surface roughness inside a cylindrical pipeline is provided to stably support the device through setting to generate greater force by the elastic force of a spring than by pressure of fluid flowing into a leg. CONSTITUTION: A device for supporting a blast device comprises a leg(10), a pressure compensator(20), a fluid tank(30), and a fluid pump(40). The pressure compensator comprises a cylinder, a head, a rod, and a spring. The spring is formed on the outside of the rod. The fluid tank includes a first supply hole for the fluid tank which is connected to a fluid supply unit, and a second supply hole for the fluid tank connected to the leg. The fluid pump transfers fluid inside the fluid tank.
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