The utility model discloses a cleaning, detecting and maintaining integrated device for a twisting-preventing steel rope, belonging to a steel rope treatment device. The cleaning, detecting and maintaining integrated device for the twisting-preventing steel rope structurally comprises a lifting device, a paying-off device, a water jet cleaning device, a broken wire detecting device, a hot immersion oil device and a taking-up device, wherein a crude brush device and a warm water soaking device are arranged between the paying-off device and the water jet cleaning device, a compressed air dewetting device and a tension detection device are arranged between the water jet flow cleaning device and the broken wire detecting device, and an oil draining device is arranged between the hot immersion oil device and the taking-up device. The cleaning, detecting and maintaining integrated device has the characteristics that dirt on the surface and inside the steel rope can be cleaned, and remained water in a water jet flow cleaning process of the steel rope is effectively removed; damage-free clamping and random online tension testing on test pieces under a large tension can be carried out; the steel rope can be subjected to fully-spreading refined oil immersion maintenance, excessive grease on the surface of the steel rope is removed, and the like.