Tool for tripping and recycling underwater control module

The utility model discloses a tool for tripping and recycling an underwater control module. The tool comprises an upper cylinder and a lower cylinder; the upper cylinder is connected with the lower cylinder through three groups of hydraulic buffers; a hydraulic system is arranged in the upper cylinder; a hoisting locking mechanism is arranged in an end head, extending into an inner cavity of the lower cylinder, of the upper cylinder; the outer wall of the lower cylinder is provided with a guiding cylinder through a fixing support. The tool has the advantages of compact structure, high integration degree, convenience for operation, wide operable water depth range and the like, and fully can meet a requirement on tripping and recycling operation on the underwater control module in a 3,000-meter water depth range; a feasible technical scheme is provided for realizing the tripping and recycling operation on the underwater control module. Moreover, by changing the sizes of the guiding cylinder, a hydraulic cylinder and a locking block, the tool is suitable for underwater control modules in different specifications and facilitates universalization model change of products.