Slender pipe part single-piece independent power supply and flowing chromium plating device

The invention discloses a slender pipe part single-piece independent power supply and flowing chromium plating device. The slender pipe part single-piece independent power supply and flowing chromiumplating device comprises an upper support, a lower support, a slender pipe and an anode steel wire and further comprises an upper support lifting mechanism, an anode steel wire tensioning mechanism, an independent power supply system, a pipeline circulation system, an electroplating bath, and a control system, wherein the upper support lifting mechanism is fixedly installed on one side of the upper support and used for driving the upper support to move and clamping or loosening the slender pipe; the anode steel wire tensioning mechanism is arranged below the lower support and is used for clamping an anode steel wire; the independent power supply system is arranged beside the lower support, the positive electrode of a power supply is connected with the anode steel wire tensioning mechanism,and the negative electrod