Gantry structure of portal crane
A portal-type crane and portal-seat technology, which is applied to the bottom support structure, lifting equipment braking device, load hanging components, etc., can solve the problems of inconvenient maintenance, poor stability and reliability, etc., and achieve stable structure, high reliability, The effect of large bearing capacity
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[0016] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0017] see figure 1 and figure 2 As shown, in this embodiment, a door frame structure of a portal type crane includes a door seat and a cylinder body 1, the door seat is welded by a door seat beam 2 and a door seat end beam 3, and the cylinder body 1 is fixed on the door seat beam 2, and several door seat reinforcing rib plates 4 are welded and fixed inside the door seat beam 2 and the door seat end beam 3. Inside the cylindrical body 1 are welded several pieces of cylindrical reinforcement ribs 5 at intervals along the height direction, and several cylindrical climbing ladders 6 are arranged outside the cylindrical body 1, and the several cylindrical climbing ladders 6 are staggered and fixed. Outside the cylinder 1, a connecting platform is provided between two adjacent cylinder climbing ladder...
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