| 摘要 |
AN unloading apparatus comprises an opened hexahedral main frame ,a pair of vertical members of main frame provided guide channel on its inner sides of main frame , a moving frame provided four horizontal guide bars fixed on end plate of the moving frame at their ends and provided four vertical guide bars which are movable on the guide bars by the guide bushings laid on the middle part of the guide bars and moves smoothly cooperating with rollers attached at the end of the end plate ,a Y axis station inserted onto four vertical guidebars by the bushings and shaped as a box downward and contains main z axis station inserted into said y axis station and can be slide upward and downward by a fifth hydraulic cylinder fixed between y axis station and main z axis station, a pair of x axis station shaped as a box and laid parallelly with the y axis station moving smoothly in Y axis direction on the four guide bars by the guidebushings along Y axis with the power of a third hydraulic cylinder fixed at the middle part of end plate of said moving frame and contains auxiliary Y axis station movable upward and downward.
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