8 results about "Artificial legs" patented technology

The utility model discloses auxiliary recovery equipment, which relates to the field of medical treatment and comprises a mounting plate, two parallel movable sleeves are rotatably arranged on the mounting plate, swing plates are arranged on the movable sleeves, and massage heads are arranged on the opposite surfaces of the two swing plates; and gears are arranged on the surfaces of the movable sleeves, and a double-sided rack is arranged between the two gears. The leg massage device has the advantages that a double-sided rack is moved upwards through a moving assembly, the double-sided rack drives two gears to rotate reversely, the two gears and two movable sleeves are matched to drive two swing plates to get close to each other, two massage heads can press the two sides of the legs of a patient respectively, the manual leg pinching effect is simulated, and the moving assembly adopts the lever principle, so that the leg massage effect is improved. The device can reduce the output of the force of an operator, improves the pressing force of the massage head on the legs of a patient, further can remarkably improve the massage efficiency and sustainability, can control the cost through the pure mechanical design, and is easy to popularize.

The utility model relates to an auxiliary transportation device for upright construction of a jacket, which comprises a load-bearing base, a support artificial leg is coaxially arranged on the load-bearing base, a plurality of reinforcing rib plates are symmetrically arranged on the peripheral side of the support artificial leg, the top end of the support artificial leg is fixedly connected with a jacket leg, and the bottom of the support artificial leg is fixedly connected with the load-bearing base through the reinforcing rib plates; the two sides of the bearing base are fixedly connected with load sharing structures to form an H-shaped base, and the bearing base is loaded on the module transport vehicle through the load sharing structures to vertically transport the jacket; according to the device, the supporting artificial legs are fixedly connected with the jacket legs and matched with the reinforcing rib plates to achieve high connection strength, meanwhile, the H-shaped base is high in strength, one tool can be loaded on two transport vehicles at the same time, the weight of the jacket is shared, and the requirements for upright construction and transportation of the four-leg jacket with the large weight are met.

The utility model discloses a kind of feet, artificial leg and robot with limiting structure, feet with limiting structure include: foot front, foot middle and foot rear portion;The foot middle includes: the dorsum of foot and the sole of foot connected with each other;The dorsum of foot is respectively connected with the rotation of the foot front, the foot rear portion;The rotation of the dorsum of foot to the foot front is limited;The rotation of the sole of foot to the foot rear portion is limited.This application utilizes the rotation range of each component of foot middle to limit each component mutually, so that the bionic effect of foot is better.

The present invention discloses an ankle joint and a control method thereof, a prosthetic leg and a robot. The ankle joint includes: a foot connection structure; a leg connection structure, which is rotatably connected to the foot connection structure; a driving mechanism, which is arranged on the leg connection structure and connected to the foot connection structure; a homing mechanism, which is connected to the driving mechanism; the driving mechanism is configured to drive the foot connection structure to rotate relative to the leg connection structure along the front-back direction of the foot; and the homing mechanism is configured to return the foot connection structure to its initial position. During walking, a real foot rotates back and forth to present different postures. The present application drives the foot connection structure to rotate back and forth through a driving mechanism, and combines the homing effect of the homing mechanism to make the foot present different postures. The ankle joint of the present application is closer to the ankle joint of a real foot, thereby improving the bionic effect of the ankle joint and the foot.

The utility model discloses a front artificial leg for a lightweight helicopter maintenance platform, and particularly relates to the technical field of helicopters, the front artificial leg comprises a support cylinder, a shaft bracket is welded on one side of the support cylinder, a shaft rod is rotatably mounted in the shaft bracket, a push-pull rod is hinged on one side of the top end of the support cylinder, and a rotating shaft is mounted at the bottom end of the support cylinder. The bottom end of the rotating shaft is sleeved with a fixing plate, the bottom end of the fixing plate is connected with a wheel frame, rolling wheels are installed at the bottom of the wheel frame, the bottom end of the rotating shaft penetrates through the fixing plate and is fixedly connected with the wheel frame, connecting plates are symmetrically installed on the fixing plate, and one end of the shaft rod is connected to the bottom of the maintenance platform in a bolted mode. The front artificial leg has the advantages that the whole structure is simple, the whole weight is light, an airplane can be supported and moved more conveniently in the maintenance process, meanwhile, the whole connection is firm, stress sharing can be carried out among a plurality of components, and therefore the stress strength of the front artificial leg is improved, and the service life is prolonged.

The utility model belongs to the field of airplane auxiliary dragging tools, and relates to an airplane artificial leg design structure which comprises a main artificial leg and a tail artificial leg. A main landing gear of the aircraft is replaced by the main artificial leg, and a tail landing gear of the aircraft is replaced by the tail artificial leg; the main artificial leg comprises a frame, a movable wheel assembly, a rotating wheel assembly, an aircraft connecting assembly, a steering device and a supporting assembly. The movable wheel assembly and the rotating wheel assembly are grounded, the frame is horizontally arranged above the movable wheel assembly and the rotating wheel assembly, and the supporting assembly and the steering device are connected among the movable wheel assembly, the rotating wheel assembly and the frame; the aircraft connecting assembly is connected to the upper portion of the frame and used for being connected with an aircraft nose bracket. The problem of dragging the aircraft is solved, the aircraft body does not need to be transported to other places to be repaired, and the aircraft can be conveniently moved in a factory after the main artificial leg and the tail artificial leg are installed. The airplane dragging device is simple in operation, easy in direction control when an airplane is dragged, large in rotating angle, labor-saving and high in dragging stability.

The utility model discloses a two-degree-of-freedom ankle joint, an artificial leg and a robot. The two-degree-of-freedom ankle joint comprises a first rotating structure and a second rotating structure, the second rotating structure is rotationally connected with the first rotating structure; the third rotating structure is rotationally connected with the second rotating structure; the rotating direction of the first rotating structure relative to the second rotating structure is a first direction, the rotating direction of the third rotating structure relative to the second rotating structure is a second direction, and the first direction is different from the second direction. The first rotating structure and the second rotating structure are rotationally connected, and the rotating direction is a first direction; the second rotating structure and the third rotating structure are rotationally connected, and the rotating direction is the second direction. The first direction and the second direction are different directions, so that the whole ankle joint has rotational degrees of freedom in two directions, and the flexibility of the two-degree-of-freedom ankle joint is higher.

The invention discloses a lower limb movement assisting system and a control method thereof, computer equipment and a computer readable storage medium. The lower limb movement assisting system comprises an artificial leg, a knee joint exoskeleton and a controller; the artificial leg comprises a shell, a rotating body, a receiving body and a hydraulic damping cylinder; the knee joint exoskeleton comprises a first connecting assembly, a driving assembly, a second connecting assembly and a motion sensor. The accepting body and the first connecting assembly are connected with the broken leg; the second connecting assembly is connected with the shell; and the controller predicts to obtain intention motion information according to the previous motion information, controls the driving assembly to drive the second connecting assembly to rotate according to the intention motion information, and adjusts the damping value of the hydraulic damping cylinder. Relative rotation of the first connecting assembly and the second connecting assembly can be achieved through the driving assembly in the knee joint exoskeleton, namely bending and stretching of the artificial leg are achieved, the damping value of the hydraulic damping cylinder in the artificial leg is adjustable, control of the driving assembly and control of the hydraulic damping cylinder are matched with each other, and a user is assisted to move in more scenes.