Hydraulic pressure test device and method for cylinder sleeve of large diesel engine

The invention discloses a hydraulic pressure test device for a large diesel engine cylinder liner, the device comprises a test body, a fixing mechanism and a hydraulic pressure test module, the test body is installed in the cylinder liner, the fixing mechanism fixedly connects the test body with the cylinder liner and blocks the two ends of the test body, and the hydraulic pressure test module is installed in the cylinder liner. The water pressure test module is used for a water pressure test of the cylinder sleeve; the fixing mechanism comprises a gland and a pressing plate, the upper end of the test body is fixedly connected with the upper end of the cylinder sleeve through the gland, a cavity is formed between the outer wall of the test body and the inner wall of the cylinder sleeve, and the lower end of the test body and the lower end of the cylinder sleeve are sealed through the pressing plate. According to the device and the method, the small cavity is formed by the test body and the inner wall of the c