| 摘要 |
PURPOSE: A pipe bending device is provided to successively bend a pipe including various pipe sizes because a pressure roller and a fixing roller for bending the pipe are replaced according to the pipe sizes. CONSTITUTION: A pipe bending device comprises a hydraulic jack(100), a supporter(200), a pair of pressure rollers, a fixing roller(400), and a position fixing unit(500). The hydraulic jack is installed in front of a support stand directly installed on the ground. The supporter is installed in the end of the hydraulic jack and drives vertically. A pair of pressure rollers is separately installed on both upper parts of the supporter, and the pipe which is subjected to bending is installed. The fixing roller is installed in front of the support stand in order to be installed on upper side of the hydraulic jack. The mounting groove is installed corresponding to an external diameter of the pipe at outer peripheries of the fixing roller and the pressure rollers. The fixing roller and the pressure rollers are detachably connected to the supporter and the support stand, respectively. The position fixing unit is installed on one side of the support stand in order to fix the bending position of the pipe. The position fixing unit includes a support bar extended from the end part of the support stand and a fixing pin connected to the external periphery of the support bar to touch the end part of the pipe.
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