The Design for Hydraulic Pressure System of QY20B Crane Truck
Abstract: This paper QY20B type truck crane five main sports agency action is analyzed .
According to five action designed to five parts hydraulic system lines ,Completed the machine system hydraulic principle diagram. According to the mechanical performance parameters and hydraulic performance parameters for the hydraulic components choice calculation ,And comp-
leted the truck crane branch leg mechanics analysis and a leg vertical telescopic oil cylinder str-
ucture designing. Final performance of hydraulic system checked.
Keyword:Truck crane;Hydraulic system;A leg hydraulic cylinder;Sanilan gearp pump