Method for overturning box beam
A box girder and overturning tire frame technology is applied in auxiliary devices, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., which can solve the problems of box girder structure damage, large overturning force, and difficulty in overturning.
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[0033] A method for overturning a box girder, comprising the steps of:
[0034] Step 1. Preparation before operation:
[0035] 1.1 Design of the overturn tire frame scheme
[0036] According to the weight and peripheral dimensions of the box girder components, the capacity and height of the lifting equipment, design and manufacture at least two overturned tire racks;
[0037] 1.2 Lift one end of the assembled box girder, use H-shaped steel to raise the box girder, and then lift the other end, and also use H-shaped steel to raise the box girder, so that the whole section of the box girder is carried by two shaped steel; When it is high, the height is greater than the distance from the flange surface of the inverted tire frame to the outer end of the T-beam;
[0038] Step 2, formal operation:
[0039] 2.1 Put the two overturned tire racks on the left and right ends of the box girder respectively, tighten the bolts, then hoist the two ends of the box girder in sequence with a ...
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