| 摘要 |
The invention relates to a manual mechanism used for lifting or lowering detachable pallets with beehives in transportation means used in apiculture. According to the invention, the mechanism consists of a fixed subassembly (A) with two detachable arms (B) and some vertically placed metallic profiles having at each extremity two rows of sliding elements (1) joined by a horizontal cross-member on which there operate the manual pulley (2) and the rolls (3) on which a steel wire cable (4) is wound, and a mobile subassembly (C) consisting of a pair of adjustable legs (5) joined at their upper side through a horizontal element on which the sliding and winding rolls (3) are mounted, as well as the fixed point of the cable hook (6). |
