Disclosed is a hybrid power system and an operation machinery. The hybrid power system includes an engine, a power distribution device, and a double-shaft extension motor. An input end of the power distribution device is connected to the output end of the ...

The present application relates to the technical field of concrete pump trucks, and provides a method and a device for controlling an outrigger of a pump truck, and a method for controlling the pump truck. The method for controlling the outrigger of the pu...