Device for locking an electromechanical actuator provided with improved means of protection against jamming or jamming

摘要

This locking device for an electromechanical actuator comprising a cylindrical tube (3) which is movable relative to a fixed outer casing (2), under the action of drive means (4) for actuation, and first releasable means (8) locking the cylindrical tube in the fixed outer casing. It comprises second releasable means (9) for complementary locking of the cylindrical tube (3) operating independently of the first locking means and interposed between the drive means and the cylindrical tube, the second releasable locking means (9) comprising an intermediate tube ( 25) adapted to be moved in translation by the motor means and to cause the translational movement of the cylindrical tube (3), a bearing in which the intermediate tube is journalled and a set of at least one hook (30) engaging in a recess (37), said set of hooks and the recess being placed one on the bearing and the other on the casing (2). Figure for abstract: Fig 1