Hean Dowellcrane Show Difference Between Single Girder & Double Girder Crane

Single beam is a beam, hanging above the electric hoist: double beam with QD and LH two models, QD double beam is equivalent to a single beam in terms of the main beam is two beams, the above is a small car, with a hoist as a lifting mechanism LH is also a small car, but uses an electric hoist as a lifting mechanism. The prices of single and double beams are based on the span of their cranes. The selection of winches and electric hoists is determined by the respective structural characteristics of single and double beams. The cargo of your plant is not a problem with a single-girder crane of 16 tons. Be careful when you stop. After all, your cargo area is large and inertia is great.

Supplement: The double beam has two main beams between the spans of the crane, and the single beam has only one main beam. Two-beam can run on the car, only a hoist on a single beam! The double beam is much heavier than a single beam, and its working level is higher than that of a single beam. The lifting weight of the single beam is lower. The lifting weight of the double beam is much higher than that of the single beam. Now the maximum value of the single beam is 20 tons. The double beam I have seen is 550T.

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