Beam lifter
A beam lifting machine and main beam technology, which is applied to cranes, trolley cranes, lifting equipment braking devices, etc., can solve the problem of inability to realize active or automatic adjustment of the height of outriggers, inability to apply to construction operations, and complicated luffing structures on both sides, etc. problem, to achieve the effect of simple structure, reasonable structure and stable support
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[0024] Such as figure 1 As shown, the beam lifting machine of the present invention can be used for lifting various beam structures or similar heavy objects, especially for intercity rails and subway U beams, and specifically includes: vehicle frame 1, vehicle frame suspension assembly 2, fixed and variable height Outrigger 3, main beam 4, luffing outrigger 5, hoisting mechanism 6, hydraulic system 7. The lower side of the main beam 4 is connected to the fixed outrigger 3, and the other side is connected to the luffing outrigger 5. The main beam is as follows Figure 7 and Figure 8 As shown, it is a single-girder structure, which consists of different segmental beams connected by bolts to form a whole. The upper part of the main beam 4 is provided with two lifting and running tracks 11, and the lower part is provided with two luffing tracks 10. The lifting mechanism 6 is installed with a lifting On the walking track 11, it can move left and right along the main girder. The ...
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