Why can't a crane with 8 tons or more crane mounted on a single bridge
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  Recently, many customers have consulted me on single-bridge truck cranes . Single-axle truck-mounted cranes generally have engine horsepower below 190. The length of cargo box does not exceed 6.14 meters. The largest single-bridge truck crane can hold 8 tons of straight arm cranes. At this time, some customers asked: Can a single-bridge truck crane can hold 10 tons of cranes? The answer is no.
The maximum weight of the single-axle truck crane is 9 tons. The loading capacity of the upper family is generally less than 8 tons, and the actual load can be nearly 12 tons under the condition of changing the wire tyre. Since the weight is insufficient and the legal load capacity is less than 8 Therefore, there is no manufacturer's announcement to hoist a crane with more than 8 tons on a single bridge. When the weight is insufficient, lifting heavy goods with the vehicle body can easily cause a rollover accident and damage to the girder. Only 8 tons of cargo can be loaded at a time. The use of cranes capable of lifting more than 10 tons is completely wasted.
If you want to purchase more than 10 tons of truck cranes, you need to have a small three-axle truck crane with a self-weight of more than 10 tons. The price of a small three-axle truck-mounted crane is generally more than 30,000 yuan more than a single-bridge truck crane but the weight of the vehicle body. Both the ability and safety of lifting are higher than those of a single-bridge crane. So when you want to buy a 10 ton truck crane, consider the small three-axle, that is, the first four rear four lorries.
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