290HC Mast Section The lifting weight of the Tower Crane is the weight that the hook can lift
The lifting capacity of tower crane includes two parameters: the maximum lifting capacity and the maximum lifting capacity. The maximum lifting weight is confirmed by the preset structure of the crane, which mainly covers the wire rope, hook, boom, crane structure, etc. . The lifting point must be in a relatively small position. The maximum lifting capacity is not only related to the preset structure of the crane, but also to its tipping moment, which is a very important parameter.
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The lifting weight of the Tower Crane varies with the number of wheel and axle groups of the hook. The normal two ropes are twice the weight of the single rope, the four ropes are twice the weight of the two ropes, and so on. The transformation can be carried out on demand. In order to prevent the lifting weight of the Tower Crane from exceeding its maximum lifting weight, all the tower cranes are equipped with weight limiter, some are called force measuring rings, and there are many limit switches in the weight limiter, except for opening the maximum fixed weight of the Limit Tower Crane, when lifting at high speed and medium speed, the weight limit can also be applied. The weight limit is the lightest at high speed, medium speed and low speed.
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