Multipurpose online sealing detection water tank

A main body of the multipurpose online sealing detection water tank comprises a water injection tank body, tank body supporting feet are arranged at the two ends of the water injection tank body, the inner wall of the water injection tank body is connected with a detection fixing support through a guide sliding groove, and a plurality of telescopic air cylinders are fixedly arranged at the bottom end of the water injection tank body. The top of the telescopic air cylinder extends into the water injection box body through an air cylinder ejector rod and is connected with a detection fixing support, a water circulation filtering mechanism is arranged at the bottom end of the water injection box body, a sealing detection pumping pressure drive is arranged on one side of the water injection box body, and a detection feeding drive is arranged at the top end of the detection fixing support. The cooling fin pressure test device realizes continuous assembly line detection of the cooling fins, does not need to carry t