Design and Analysis of the Bionic Mechanical Foot with High Trafficability on Sand

Figure 2

Bionic mechanical foot structure: (1) support plate, (2) stud, (3) flexion spring, (4) flexion frame, (5) the first phalanx of the auxiliary toe, (6) imitated ligament structure, (7) the second phalanx of the auxiliary toe, (8) the fourth phalanx of the main toe, (9) toenail structure, (10) the third phalanx of the main toe, (11) extension spring, (12) the second phalanx of the main toe, (13) the first phalanx of the main toe, (14) pulley, (15) wire rope, and (16) lever.