2018 Shantui DG22H

• DG22 boom aerial platform fire truck incorporates the aerial platform function and aerial spray function for both aerial rescue and aerial firefighting. This vehicle features advanced design technologies and reliable quality and safety, with the main technical performance parameters reaching the leading level among domestic like products. The whole machine adopts U.S. imported electro-hydraulic proportional control technology and hydraulic drive, featuring stable, reliable, and simple operations. The boom adopts the structural type of two telescoping boom sections and one articulated boom section. The telescoping boom sections can lift within the range of -380 and the articulated boom section can lift within 180 range. The boom is in section of box structure and is welded from high strength steel. The boom incorporates the slewing cushion function. The slewing mechanism for the slewing of the boom adopts the planetary gear reducer and normally closed brake, in which the external toothed single-row ball slewing support is driven by the constant displacement motor. The hydraulic system is fitted with cushion valve to realize stable and reliable startup and braking and good inching performance.