| 摘要 |
<p>A lifting spreader guide chute (31) mounted on a cargo container handling crane (11), said guide chute (31) comprising a framework (37) forming a pass-through opening for said chute (31) suspended from a supporting structure of said crane and formed for arresting the sway of lifting spreaders being lowered therethrough, spreader guides suspended from said framework (37) and formed to guide the upward movement of lifting spreaders being lifted and retracted therethrough, said guides including a multiplicity of depending arms (39) secured to said framework (37) at their upper ends by pivot connections, said arms (39) being disposed on opposite sides of the pass-through opening of said chute (31) along the length thereof in opposed relation said spreader guides being provided with extension wings (45) which project at an angle outward from the vertical planes of said pass-through opening and above the pivot connection of said arms to said framework (37), and hydraulic cylinders (43) secured between said framework (37) and said extension wings (45) for moving the lower ends of said arms (39) outward and away from the vertical planes forming said pass-through opening a uniform distance substantially simultaneously and to return them to a vertical orientation adjacent the outside of the planes of said opening likewise substantially simultaneously. <IMAGE></p> |
