Abstract As the rapid development of the national economy， construction of a large and complicated machinery of concrete made increasing Has many advantages and economic benefits of high concrete pump truck has been universal and application of concrete pump truck has become essential in today's construction enterprises of special This paper introduced the first concrete pump truck on the structure and features， focusing on concrete pump truck to maneuver the base and swing body parts of the design; adopted by Rotary hydraulic motor-driven rotary bearing reducer driven to achieve the The specific contents include: Roundabout support to meet on the train placing booms (including concrete aggregate) rollover torque Rotary， Rotary hydraulic part of the design， installation support the Rotary Selection and Roundabout hydraulic part of the system viable programme to meet the Pump performance The design of the main features are: simple institutions， savings investment， convenient The current domestic concrete pump the optimal design has a reference Key words: concrete pump; Rotary; roundabout drive; swing support; hydraulic system
