| 摘要 |
PURPOSE: A screen door lift and transfer apparatus is provided to install a screen door simply by regulating the slide length of a beam according to the environment of a platform. CONSTITUTION: A screen door lift and transfer apparatus(100) comprises a handle shaft, two bevel gears which transfer the power from the handle shaft to the straight bevel gear, a straight bevel gear which transfers the power by the bevel gear to the rack rail, a gear shaft which connects the bevel gear and the straight bevel gear, a shaft fixing bracket which is installed between the bevel gear and the straight bevel gear, a guide rail which keeps the I-beam suspended, an I-beam which is installed inside the guide rail and slides from side to side, a mounting bracket which is welded to the top of the I-beam and fixes the rack rail, a rolling bearing which is welded to the inner side of the guide rail and fixed by bolts, and a rack rail which turns the rotational motion of the straight bevel gear into the linear motion.
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