Table 3.1. Loads on the locks of the docking frame and their characteristics. a. docking device; b. maximum stretching forces, c. internal pressure; d. seal of the joint; e. spring plungers; f. external loads; g. bending momentum ; h. maximum force on one lock from . total maximum force on one lock, ; j. force of tightening of one lock, ; k. number of locks; 1. course of active clamp ; m. average diameter of arrangement of tocks, m; n. Soyuz-Salyut spacecraft, first set of locks; o. second set of locks; p. Apollo spacecraft; q. Soyuz and Apollo APDA. rigidity of the frames, the loads, the acceptable opening of the joint, and the configuration. Their number is limited by the size of the assemblies of each lock, and the sizes of other units located on the joint. Tn the design of locks with one drive and a cable connection, of great importance is the selection of the cable diameter, since this size determines the size of a number of basic units and affects the reliability of the construction. The maximum force of cable tension in lock tightening is defined by the formula
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