One kind of oil field work equipment automatic purifier, including the rack,the nozzle above the assembly, the high-pressured water jet flow cleansing agent, the automatic control system,Among it the rack uses the gate type walking rack, the rack two sides hoop separately uses the electricity machine to actuate, and separately establishes the fixed manipulator and the active manipulator, installs the high pressure clear ramrod on the manipulator and the long target distance nozzle which is controled by the long-distance control equipment, the high-pressured clean spurts pole is separately connects with automatic control system hydraulic control return route the oil motor outputs axle-box.Its structure is reasonable, operation is simple, adjustment is convenient,realizate intelligence automatic control the clean work, may thoroughly eliminates the dirt in the oil field work equipment, the movement is quick, safe is reliable, reduces operator's labor intensity, remarkably enhances the clean working efficiency and the distinct improvement clean effect, saves water, does not have the pollution, is advantageous to improve the working condition and the protection environment, and makes the foundational work in advance to sentence and accurately analysis the service life of the equipment.