A truck crane is mainly composed of chassis, crane, cargo box and other key parts. Therefore, when purchasing a good truck crane, it is necessary to strictly check the key parts of the truck crane to achieve the overall performance of the truck crane and improve its efficiency.
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First of all, a good truck crane cannot be separated from a good crane.
The crane is one of the key components of the truck crane, which is directly related to the lifting capacity of the truck crane. Therefore, it is particularly important to choose a good crane. Cranes from big brands such as Sany and Xugong are very good, with fast lifting speed, long service life of hydraulic system, and greatly reduced oil leakage compared with before. They can fully undertake the task of lifting far and heavy in the truck crane.
The second is the choice of telescopic arm and folding arm
Telescopic arm and folding arm cranes have their own advantages. This is mainly based on their own use environment. The telescopic arm has a large working radius and can lift far. It is more suitable for open working environment. It is widely used in the fields of lifting trees, electric poles, and bridges, and it is cheap; the folding arm is more suitable for narrow workplaces, such as corporate warehouses, docks and other places. Various auxiliary tools can be installed for special operations.
Third: Selection of crane tonnage
The tonnage of the crane mainly depends on what cargo you are lifting. The required crane tonnage is determined by the size of the lifting object. If it is too large, it will be a waste, and if it is too small, it will not meet the lifting needs. Generally speaking, the best lifting tonnage of the crane is 70%-90% of the maximum lifting weight of the crane. Therefore, when choosing, try to make the lifting weight have a certain surplus, which is conducive to extending the service life of the crane, and the longer the boom is extended, the smaller the lifting weight.
Fourth: Choice of chassis
The reliability of the chassis is related to the attendance rate of the truck crane, which in turn affects the work efficiency. At present, the domestic truck crane chassis brands generally use well-known brands such as Dongfeng, Jiefang, and Sinotruk. These brands have guaranteed quality on the one hand, and after-sales service is relatively guaranteed on the other hand. There are after-sales service stations across the country, which relieves you of worries. When choosing a chassis, you must also consider the crane. The chassis must match the crane. A small chassis with a large crane is not stable and easy to overturn, causing the crane’s lifting capacity to not be able to function normally. It should also be noted that the chassis of the truck crane should not be modified with an ordinary old chassis, because the bearing capacity of the general old chassis beam cannot meet the requirements. Such an old chassis cannot be registered without a modification announcement.
Fifth: The length of the cargo box of the truck crane
The cargo box of a truck crane is usually of the type with railings, and the length of the cargo box is usually determined by the announcement of the truck crane. Generally speaking, 4×2 models are mostly made with a 6.1-meter-long compartment, and 6×2, 6×4, and 8×4 models are generally made with a 7.5-8.6-meter-long compartment. It is recommended to use a 5mm thick plate for the cargo box floor, and the longitudinal beam at the bottom of the cargo box adopts a square tube structure, which has a wide force-bearing surface and a stronger load-bearing capacity. The columns on both sides of the cargo box are detachable, which is convenient for transporting goods wider than the cargo box after the cargo box is fully opened, such as mobile cabins.
