Telescopic boom is a common accessory for engineering machinery, which can be used in excavators, loaders, cranes and other equipment. Its main function is to extend the working radius of the equipment, improve the work efficiency and flexibility of the equipment.
Excavator hydraulic telescopic boom is divided into external telescopic boom and internal telescopic boom, external telescopic boom is also called sliding boom, telescopic stroke within four meters; internal telescopic boom is also called barrel boom, telescopic stroke can reach more than ten meters or up to twenty meters.