37 results about "Limb structure" patented technology

A robotic limb structure which is capable of achieving high speeds. In the context of a biped, the structure is used for a pair of hind limbs. The limb structure includes a primary driven link—such as a thigh pivoting about a hip joint in the case of a hind limb. Secondary links are pivotally connected to the primary driving link. Auxiliary links are provided to constrain the motion between the links. Elastic trim elements are also provided to define a “relaxed” state for the limb and to influence the resonance characteristics of the structure. The control system takes advantage of the resonant characteristics of the structure as a whole.

A blade support limb structure of vertical axis wind power generator includes a fixed support limb (1) and a rotatable support limb (2), one end (21) of the rotatable support limb is connected with one end (22) of the fixed support limb and the rotatable support limb may rotate around it. The structure keeps a wind wheel at stable rotation speed in the case of environmental wind speed exceeds rated wind speed, thereby to ensure that vertical axis wind power generator outputs constant power. The structure solves a problem of constant power output of vertical axis wind power generator from hundreds watt to thousands watt, so its applications are wide.

The invention relates to the technical field of robot driving, and provides a hydraulic amphibious soft body bionic execution mechanism. The hydraulic amphibious soft body bionic execution mechanism comprises a fin-shaped limb structure and a main driving structure; the fin-shaped limb structure comprises a fin-shaped limb bottom plate and a fin-shaped limb body arranged on the fin-shaped limb bottom plate; the fin-shaped limb main body is in sealing connection with the fin-shaped limb bottom plate; the top surface of the fin-shaped limb body is an arc-shaped surface, the rear end of the fin-shaped limb body is provided with a fin-shaped limb through-liquid hole, the fin-shaped limb body is provided with a plurality of fin-shaped limb capsule cavities which are equidistantly and internallycommunicated, and the interior of the fin-shaped limb capsule cavity is in communication with the fin-shaped limb through-liquid hole; and the main driving structure is arranged in the middle area ofthe rear end of the fin-shaped limb body. The two sides of the main driving structure are correspondingly provided with a positive rotation driving structure and a negative rotation driving structure. According to the he hydraulic amphibious soft body bionic execution mechanism, different pose transformation and motion forms can be realized in the amphibious environment, the structural design isreasonable, the development cost is low, the driving efficiency is high, and the motion form is rich.

There is provided a brace for stabilizing a uniting pivoting joint disposed between first and second limb structures of a living being. The brace comprises upper and lower frame members, each encompassing the first and second limb structures respectively, and a pivoting joint member comprised of two opposing pivoting assemblies. The assemblies include a limb extension slot having an adjustable length. The slot is located on at least one of the upper or lower frame members. The assemblies also include an exteriorly accessible limb extension regulator for regulating the limb extension slot length. The limb extension regulator is coupled to the limb extension slot. The pivoting assembly further includes an arm member comprised of upper and lower ends, each being pivotally connected to the upper and lower frame members, respectively. The arm member further includes a regulation portion retained in the limb extension slot.

The invention relates to the technical field of bionic structures, in particular to a bionic machine mouse. The bionic machine mouse comprises a head movement bionic structure which is used for simulating the head structure and movement of a biological mouse, a fore limb movement bionic structure which is connected to the head movement bionic structure and used for simulating the fore limb structure and movement of the biological mouse, a waist movement bionic structure which is connected to the fore limb movement bionic structure and used for simulating the waist structure and movement of thebiological mouse, and a hind limb movement bionic structure which is connected to the waist movement bionic structure and used for simulating the hind limb structure and movement of the biological mouse. The structures of the bionic machine mouse are independent from each other and are connected, each structure can do multi-freedom-degree independent movement, meanwhile, the bionic machine mouseis compact in structure space and perfect in function, the similarity between the bionic machine mouse and the biological mouse is high in shape and structure, and biologists, neuroscientists and brain researchers can advantageously study the biological mouse.

Disclosed is a system, method and/or computer readable medium for controlling an exoskeleton associated with a user. The exoskeleton includes a body portion secured to an abdominal section of the user and a limb structure secured to one or more thighs of the user. The limb structure is pivotally connected to the body portion to facilitate rotation of the limb structure about a pivot axis. One or more sensors, associated with the exoskeleton, receive input data related to a movement of the user. Also included is a processor to automatically analyze the input data using one or more algorithms to generate output data having a torque based on the movement of the user. A drive force transmission mechanism associated with the body portion and the limb structure of the exoskeleton is provided to receive the output data from the processor and generate the torque to move the limb structure about the pivot axis.

The invention relates to a lower limb structure of a robot and a robot; the lower limb structure of the robot can measure the grounding or takeoff effect of the robot accurately and conveniently; thelower limb structure comprises a lower limb strut in which a cavity is arranged, a linear sensor which is fixed in the cavity, a strut shaft of which the first end is connected with the sliding end ofthe linear sensor, a supporting part which is connected with the second end of the strut shaft, and an elastic component which sleeves the strut shaft; the first end of the elastic component is connected with the lower limb strut and the second end resists against the supporting part. Through measuring the value change of the linear sensor arranged in the lower limb strut, the value change can beused as the judgment basis whether the supporting component of the robot is grounded or not. In addition, the elastic component has pressing force; the grounding or takeoff effect of the robot can beaccurately and conveniently measured by the different values of the linear sensor when the supporting component is not grounded or collision contact takes place when grounding.

The invention relates to a bionic bone sample for terahertz in-situ impact testing and a preparation method thereof, and belongs to the field of biomechanical testing. The bionic bone sample consisting of bionic skins, muscles and bones is constructed with a outside-to-inside topological structure. The bionic bones with porous gradient characteristics are prepared; the bionic muscle with similar mechanical properties to the natural biological muscles is attached to the outer layer of the bionic bone, and the outer layer of the muscle is wrapped with artificial skin, so as to prepare the bionicbone sample simulating a whole biological limb structure. Membrane pressure sensors are embedded in various components of the bionic bone sample, thus implementing all-directional, multi-level and stereoscopic detection on the values of the impact force on the various components of the bionic bone sample. The bionic bone sample can replace the natural bone for impact performance experiments and can integrate a variety of new detection methods, so that an effective tool is provided for biomaterial impact performance testing, and a new study means is provided for the study on the impact failuremechanism of biomimetic material instruments including bionic limbs, implanted bionic bones and the like.

The invention relates to the technical field of bionic structures, in particular to a limb movement bionic structure and a bionic robot rat comprising the same, and aims to solve the problem of poor consistency of compactness and the shape of a limb movement bionic structure and the shape of an animal limb in the prior art. The limb movement bionic structure comprises a frame, a first limb, a second limb, a driving device and a connecting rod, wherein the first limb is connected onto the frame, the second limb is connected with the first limb, the driving device is connected to the first limb and the second limb, and the connecting rod is pivotally connected with the second limb and the driving device. By the aid of the technical scheme, dexterity, functional completeness and compactness of the limb movement bionic structure are improved, so that consistency of the limb movement bionic structure and a real limb structure is improved, the limb movement bionic structure helps biologists, neuroscientists and brain researchers to research limbs, and limb behaviors are effectively controlled.

The invention provides an animation production system and an animation production method based on action capture. The animation production method comprises the following steps: fixing an action capture device on a limb part of a simulation model, wherein the simulation model is a model with the same limb structure as a to-be-manufactured animation character; controlling the limb part to act so as to enable the action capture device to generate action feature data representing limb actions; and associating the action feature data to a limb part corresponding to the animation character to achieve action production of the animation character. By adopting the animation production method provided by the invention to produce the action of the animation character, the limit action which cannot be shown by the conventional real person motion capture can be produced, and the non-humanoid animation character can be produced by adopting the action capture method. Moreover, by adopting the animation production system provided by the invention, animation production based on action capture can be achieved without a real person, so that the labor cost of animation capture can be reduced.

The invention discloses a limb structure of an airwave pressure therapy instrument. The limb structure comprises air sac bags and air sacs located inside the air sac bags. The air sac bags comprise the upper end air sac bag and the lower end air sac bag, wherein the upper end air sac bag and the lower end air sac bag are connected in an overlapping mode. A tightening device is arranged at the non-overlapping end of the upper end air sac bag. The overlapping end of the upper end air sac bag and the overlapping end of the lower end air sac bag are connected through connection devices. The connection devices comprise the bag body connection devices and the bag opening connection devices. The upper end air sac bag and the lower end air sac bag are both provided with pressing condition observation holes. The bag body connection devices are located on the inner wall of the lower end air sac bag and the outer wall of the upper end air sac bag respectively. According to the limb structure, the pressing condition of the limbs can be observed, pressing therapy of the limbs is comprehensive, and the air sac bags do not slide easily in the process of pressing the limbs.

The invention discloses a fire rescue robot. The fire rescue robot comprises an obstacle detection sensor, a baffle, a protection cover, a bed plate, a control box, a first front leg supporting plate, a front leg motor, a front leg small arm hydraulic cylinder, a second front leg supporting plate, a third front leg supporting plate, a front leg big arm hydraulic cylinder, a front leg small arm joint, a fourth front leg supporting plate, a front leg big arm joint, a first back leg supporting plate, a back leg large arm joint, a second back leg supporting plate, a third back leg supporting plate, a back leg small arm hydraulic cylinder,, a back leg motor, a back leg small arm joint, a fourth back leg supporting plate and a back leg large arm hydraulic cylinder. The fire rescue robot has the beneficial effects of being simple in structure, small in weight, good in dynamic characteristic and the like; and meanwhile, the limb structure is adopted, and the walking reliability of the robot on complex terrains is effectively improved.

The invention relates to a universal artificial total elbow joint prosthesis. The universal artificial total elbow joint prosthesis comprises a humerus handle with the upper end used for being inserted into a humerus marrow cavity and connected with the humerus marrow cavity in a fastened mode, a joint body part with the upper end connected with the humerus handle, and an ulna handle with the lower end used for being inserted into an ulna marrow cavity and connected with the ulna marrow cavity in a fastened mode, wherein the upper end of the ulna handle and the joint body part form a hinge joint through a hinge structure of a pure flexion and extension mechanism. The prosthesis can be widely applied to reconstruction of elbow joint trauma, degenerative joint diseases, rheumatoid arthritis, tumors and the like, the aim of limb structure recovery is achieved, meanwhile, the advantages of immediate stability, stress reduction and the like of the elbow joint are perfectly combined, and therefore the long-term elbow joint function of a patient is remarkably improved.

The invention discloses a tail biting simulation dog based on flexible shaft transmission, and belongs to the field of mechanical structures. The simulation dog comprises a head structure, a front body structure, a waist structure, a back body structure and a limb structure. Front and back legs of the simulation dog are connected by the flexible shaft transmission, so that motion of the front and back legs can be transmitted and connected stably under the condition that a center distance changes due to the fact that a front body and a back body make a turn or swing; structurally, mechanism coordinated motion is used skillfully, so that the use of a motor is minimized; the front body is connected with the back body by a spherical hinge, so that the simulation dog is simple in structure; a requirement on stable walking when the front body and the back body are under a multi-freedom-degree condition is met; the legs are made of a rubber material, so that the vibration when the toy dog walks is alleviated effectively, and the toy dog becomes soft and lovely; and tail biting motion that a common simulation dog cannot make is achieved, so that the simulation dog is more real and interesting.