With a wide range of engineering fields, various models have emerged. With the rapid development of truck mounted cranes in foreign countries, the use of straight-arm truck cranes has become increasingly prominent in the domestic market. According to the type, it is divided into: straight arm type and folding arm type. According to the weight is divided into: light, medium, heavy, the following we will discuss the use of the largest tonnage heavy truck crane how to choose? How to identify whether the truck crane is heavy or light or medium-sized.
Truck cranes can be classified into light, medium, and heavy trucks according to the maximum total mass. The heavy-duty truck cranes are usually the rear double-bridge, the first four-eighth rear models (6X4 and 8X4), also known as the two drive shafts. . It is often seen in large sites such as city construction, transportation, site construction, and logistics handling.
For truck cranes, according to the use of vehicles in the subdivision, chassis manufacturers vary, there will be some differences, such as the total weight of 24.8 tons of chassis, Dongfeng 25 tons of truck crane chassis, The 32-ton truck crane chassis will have different basic components such as the total mass of the drive, the length of the container, engine manufacturers, and horsepower.
In general, the higher the load level, the higher the vehicle powertrain and load-bearing system configuration. In terms of power, the driving force naturally goes without saying that the transmission system is even more important. The transmission ratio of the transmission and the rear axle is even greater. Even the use of the axle reduction bridge, the use of high torque is the key to heavy-duty transportation. Materials and structures, such as multi-layer composites and bolted connections, suspension bolster springs and the number of horse-riding bolts, etc., are all more basic methods of identification.
If this is not clear enough, you can see how the vendors are subdivided. The naming of heavy-duty truck cranes according to working conditions is as follows: 6X4 is mainly affected by road conditions, and classified into mining engineering type, urban construction slag type and road transport type according to the road conditions;
6X4 is mainly affected by road conditions, and is divided into mining engineering type, urban construction waste type, and road transport type according to the road conditions;
8X4 is mainly affected by the load, according to the load is divided into heavy-duty, composite, standard type.
Heavy-duty truck cranes have a heavy load and therefore require higher load capacities for the frame, suspension, and rear axle. Poor road conditions in the hoisting site, such as mines, construction sites, etc., Vehicles are heavily loaded on bumpy roads, which is a big test for the reliability of axles and frames. In general, the more axles of a vehicle, the greater the bearing capacity. However, like mine projects, although the demand for vehicle load is relatively high, 8X4 vehicles are not flexible under bad road conditions, so they use 6X4 more to strengthen the girders and After suspension, it is no less than the average 8X4 vehicle in terms of carrying capacity.
Everyone is aware that after the introduction of the New Deal, the total weight of 6X4 vehicles is limited to 25 tons, and the limit of 8X4 is 32 tons. Therefore, the actual weight of goods must be taken as the main measurement standard.
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