Method for testing durability of hydraulic pump for underwater acoustic equipment

The invention discloses a durability test method for a hydraulic pump for underwater acoustic equipment, and provides a durability test method for a plunger pump. The durability of the plunger pump during long-time operation is evaluated from the aspects of test load spectrum design, load spectrum cycle index design, test loading loop design, monitoring parameter design in the test process, state monitoring in the test, inspection after the test, plunger pump failure judgment criterion and the like, and whether the plunger pump meets the use requirement or not is judged. Meanwhile, the invention provides a screw pump durability test method, according to the durability load spectrum of the screw pump, a loading loop of the screw pump is designed, and stepless automatic adjustment of the durability load spectrum of the screw pump is achieved; and according to the working characteristics of the screw pump in the equipment, the allowable descending range of the performance parameters of the screw pump is determin