The testing method for the connecting rod of the blowout preventer crane on deepwater drilling vessels includes the following steps:

a. Weld the protective plate and fixed lifting ear onto the fixed I-beam frame to form a fixed component, and place it in the testing area;

b. Two sets of electrical systems are composed of weighing sensors, jacks, data displays, power supplies, and manual hydraulic pumps;

c. Weld the movable lifting ear, lifting ear, and movable I-beam frame together to form a movable component;

d. Lift the movable component assembly above the fixed component assembly using lifting ears, and gravity will bring the movable component assembly into close contact with the weighing sensor;

f. Operate the manual hydraulic pump to push the jacks on both sides towards the two data displays and read them simultaneously.

This type of measurement has a measurement error of less than 0.5%, high accuracy, a simple system structure, low economic cost, and simple operation, which can meet the testing requirements of domestic manufacturers for the connecting rod of deepwater drilling ship blowout preventer cranes.

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