| 摘要 |
The present invention proposes a working system using bar-formed motive frame comprising a motive frame with predetermined length, wherein this motive frame consists of guide rail and driving wheels attached along its length; at least one transportation unit, which consists of a frame, a worm screw fixed with the frame and parallel to the guide rail, fitted with driving wheels of the motive frame; a working object attached to the frame of the transportation unit, wherein the transportation unit is connected with motive frame and directed along the motive frame by driving wheels attached on two sides of frame of the transportation unit and leaning against surfaces of the uide rail in order that trans ortation unit can move alon the motive frame. |
