| 摘要 |
FIELD: mechanics. ^ SUBSTANCE: proposed hoisting table comprises the base and movable platform. Both are inter-articulated by pairs of crossing levers, like "nuremberg scissors". Articulating joints of the said levers seat on common axles. Movable platform lifting drive represents actuating cylinder arranged between the base and movable platform. Every aforesaid pair of crossing arms features four flexible tie-rods. The first pair of aforesaid tie-rods has their ends arranged on the axle fitted at the actuating cylinder base. The second pair has their ends articulated with the upper and lower ends of crossing levers that are fixed along edges of the base and movable platform. Aforesaid second pair has its ends fitted on the axle mounted in the sleeve of actuating cylinder rod. Its other ends are articulated with aforesaid upper and lower ends of crossing levers coupled, with the help of rolls, with the guides of the base and movable platform. ^ EFFECT: higher reliability. ^ 4 dwg |
