Abstract
A novel self-locking quick release mechanism featured by heavy load, fast response, and high security is proposed, designed, and evaluated. This new mechanism consists of two release arms, two compression linkages, one control rod, and some revolute joints. The load capability of this mechanism is high up to 15 tons. The characteristics of fast response and high security attributed to structural parameters and the butting-shaped self-locking, respectively, are the essential issues of the mechanism. A 3D model of the proposed mechanism is elaborated for design, evaluation, and simulation purposes. The research also includes the kinematic equations and force analysis to gain insights into the mechanical behavior of the mechanism. The principle of the butting-shaped self-locking is illustrated with the method of virtual work to obtain the critical equilibrium condition while this novel mechanism is not in the ideal position. Finite element method is employed to implement the stress and deformation analysis when the mechanism grasps an object of 15 tons tightly. By fabrication and evaluation of the self-locking quick release mechanism, the validity of the proposed mechanism is proved.
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