A rapid lifting spreader for concrete prefabricated box girder
A technology of concrete and box girder, applied in the direction of load hanging components, transportation and packaging, can solve problems such as difficulty, achieve the effects of less damage, improved hoisting safety, and convenient operation
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[0012] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0013] Depend on Figure 1 to Figure 5 Given, the present invention comprises crossbeam 1, and one end of crossbeam 1 is equipped with vertical beam 2 placed below crossbeam 1, and the lower end of vertical beam 2 is equipped with connection block 3, and one side of connection block 3 is equipped with and places below crossbeam 1. Extrude plate 4, the bottom of extrude plate 4 is hinged with connection block 3 through hinge shaft, and the upper part of extrude plate 4 is equipped with arc-shaped positioning bar 5, and connecting block 3 is provided with the circle that matches with position bar 5. The arc-shaped chute 6, the positioning rod 5 is placed in the chute 6, forming a structure in which the positioning rod 5 slides in the chute 6 when the extrusion plate 4 rotates on the hinge shaft;
[0014] The positioning b...
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