| 摘要 |
A LIFT SHAFT CONNECTED BETWEEN A BASE FRAME (1) AND A TOP BOARD (3) OF A LIFT TO SUPPORT A PULLEY FRAME (5) AND A PLATFORM (4) ON THE PULLEY FRAME (5), ENABLING THE PULLEY FRAME (5) TO BE RECIPROCATE ALONG IT BY A MOTOR DRIVE (11) AND CHAIN TRANSMISSION ASSEMBLY, THE LIFT SHAFT (2) INCLUDES TWO SYMMETRICAL OUTER SUPPORT FRAMES (21) ARRANGED IN PARALLEL, THE OUTER SUPPORT FRAMES (21) EACH HAVING TWO PARALLEL COUPLING FLANGES (213) AT AN INNER SIDE, TWO INNER SUPPORT FRAMES (22) CONNECTED IN PARALLEL BETWEEN THE OUTER SUPPORT FRAMES (21), THE INNER SUPPORT FRAMES (22) EACH HAVING TWO COUPLING FLANGES (222) RESPECTIVELY FASTENED TO THE COUPLING FLANGES (213) OF THE OUTER SUPPORT FRAME (21) BY SCREWS (61) AND NUTS (62), AND A CHANNEL BAR-LIKE REINFORCING FRAME (23) CONNECTED BETWEEN THE FIAT, ELONGATED BASE WALLS (220) OF THE INNER SUPPORT FRAMES (22) BY SCREWS (61) AND NUTS (62).(FIGURE 2)
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