Span-adjustable beam lifter
A beam lifting machine and span technology, which is applied in the direction of walking bridge cranes, bridges, cranes, etc., can solve the problems of inconvenient maintenance and inability to adjust the span, and achieve the effect of easy maintenance, easy movement, and adjustable span
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] see Figure 1-5 , a beam lifting machine with adjustable span, comprising a beam 1, one side of the beam 1 is provided with an adjustment structure 2, the number of the adjustment structures 2 is two in total, and the distribution is symmetrical, the middle part of the outer surface of the beam 1 is slidingly connected with a movable Ring 7, the lower surface of the movable ring 7 is fixedly connected with a hook 8, the cross-sectional shape of the beam...
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