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- Sep 03, 2018 -

A crane is a multi-action hoist that vertically lifts and horizontally carries heavy objects within a certain range. Also known as the crane, aerial crane, crane.

The main features of the tire crane are: the driving cab and the lifting control room are combined into one, which is evolved from the crawler crane (crawler crane), and the track and the walking bracket of the traveling mechanism are turned into the chassis with the tire to overcome The crawler crane (crawler crane) track plate has the disadvantage of causing damage to the road surface and belongs to the material handling machinery.

Bridge cranes are lifting equipment that traverses materials in the workshop, warehouse and stockyard. Because its two ends are located on tall concrete columns or metal brackets, they are shaped like bridges. The bridge of the bridge crane runs longitudinally along the rails laid on the elevated sides of the bridge, which can make full use of the space under the bridge to lift the materials without being obstructed by the ground equipment. It is the most widely used and largest number of lifting appliances.

Some of the working characteristics of lifting equipment are intermittent movements, that is, the corresponding mechanisms for taking, moving, unloading, etc. in one working cycle are alternately working, and the development and use of cranes in the market is more and more extensive. Because there are some accidents that often occur without the hoisting and lifting of the outriggers, the driving speed is faster than that of the crawler crane (crawler crane); the operation is stable, the lifting capacity is large, and the walking can be carried out within a certain range, but the road must be flat and solid. The tire pressure meets the requirements and shall not exceed 50CM from the ground; it is forbidden to carry long distances with load. In order to ensure the safety of the operation, at present, it is basically prohibited to carry out lifting operations without using the legs. The types of wire ropes used in cranes include phosphating coated steel wire ropes, galvanized steel wire ropes and smooth steel wire ropes.