Concrete prefabricated box girder rapid hoisting appliance
A technology for concrete and box girders, applied in the direction of load hanging components, transportation and packaging, etc., can solve problems such as small contact area, broken strands of steel wire ropes, and potential safety hazards
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[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention , but not to limit the scope of the present invention.
[0026] Such as Figure 1 to Figure 6 As shown, a kind of concrete prefabricated box girder rapid lifting spreader of the present invention comprises left hoisting device 1 and right hoisting device 2, and described left hoisting device 1 and right hoisting device 2 are provided with the adjustment of the distance between the two Device 3, the left lifting device 1 and the right lifting device 2 have the same structure and both include an L-shaped bracket 11, a first positioning mechanism 12 and a second positioning mechanism 13, and the first positioning mechan...
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