1594 results about "Foot supports" patented technology

The invention relates to the technical field of robots, and discloses a leg structure and a humanoid robot. A motor template; the hip joint assembly is mounted on the thigh bracket and comprises a rotary mounting frame which is in assembly connection with the motor template; the first end of the hip linear actuator is rotationally connected with the thigh support, and the second end of the hip linear actuator is connected with the hip joint assembly; the shank support is connected with the lower portion of the thigh support through a knee joint assembly; the knee joint linear actuator is arranged on the thigh support, and the driving end is connected with the knee joint assembly; the foot support is connected with the lower portion of the shank support through an ankle joint assembly; the first end of the ankle linear actuator is rotationally connected with the shank support, and the second end of the ankle linear actuator is rotationally connected with the foot support. According to the humanoid robot, the corresponding linear actuators are arranged on the thigh support and the shank support, the space on the thigh support and the space on the shank support are fully utilized, the inertia of the leg structure is reduced, the response speed is high when the leg structure conducts corresponding actions, and the dynamic stability of the humanoid robot is improved.

An infant highchair is provided. The infant highchair includes a base having a plurality of legs and a footrest positioned between a first and a second leg of the base. The footrest includes two rotators configured to rotate the footrest into a first position for foot support and a second position for foot support. The footrest includes a bottom support having a first planar surface opposite a second planar surface and the two rotators configured to rotate the footrest at least 180°. The footrest includes two locking mechanisms configured to lock the footrest in at least one position for foot support. The footrest includes two release actuators, each release actuator configured to release a respective locking mechanism.

A Pilates chair exercise apparatus has a frame configured to rest on a horizontal surface, an inverted Y shaped seat support member fastened to an upper portion of the frame, a seat fastened to an upper end of the seat support, and a pair of parallel arms each having a proximal end fastened to the frame and a foot support fastened to a distal end of each of the arms, wherein each arm is biased away from the frame. One foot support carries a retractable member therein configured to engage a portion of a corresponding opposite foot support to selectively lock the foot support and the corresponding opposite foot support together.

The invention discloses a self-adaptive variable impedance algorithm for hydraulic four-foot support unloading, which comprises the following specific steps: step 1, single-cycle variable impedance control: introducing a variable impedance control strategy in a single-step cycle, judging that a robot is subjected to large impact when a large force change rate is detected by a force sensor, and judging that the robot is subjected to large impact when the force change rate is larger; at the moment, expected force is rapidly adjusted to achieve force unloading, and therefore impact damage to structural parts is reduced; step 2, dynamic impedance coefficient adjustment: when it is detected that the impact force change rate exceeds a preset threshold value or the speed is increased, the impedance coefficient is dynamically reduced to reduce rigidity and improve flexibility, and rapid force unloading is assisted; and step 3, performing impact detection and real-time response. The hydraulic quadruped robot can dynamically adapt to complex tracks and stress changes, compliant control and whole-course stable operation are achieved, the unloading efficiency and the structural reliability are improved, the compliance and the movement capacity are also considered, and reliable support is provided for efficient walking of the hydraulic quadruped robot in the complex environment.

A medical rehabilitation chair includes a main frame, multiple castor devices mounted on the bottom of the main frame, and two armrest boards mounted on two sides of the main frame. A telescopic damping driver, a seat frame assembly, a backrest frame assembly, a leg support assembly, a lifting mechanism, and a foot support assembly are assembled on the main frame. The seat frame assembly has a front section connecting the leg support assembly and a rear section connecting the backrest frame assembly. The telescopic damping driver drives the backrest frame assembly, the seat frame assembly, and the leg support assembly, to produce different swinging angles. The lifting mechanism drives the seat frame assembly to lift or lower. The foot support assembly is movable in a horizontal direction to protrude from the front section of the main frame.

The invention discloses a three-foot portable multi-angle underwater adsorption anchoring drilling device. The drilling machine feeding component is installed on the drilling machine main body platform in a vertically movable mode, the three-foot supporting component is composed of a main foot and an auxiliary foot, the main foot and the auxiliary foot are installed on the drilling machine main body platform in an angle-adjustable mode, the main foot and the auxiliary foot are each provided with a micro-needle rotational flow suction cup, and after the micro-needle rotational flow suction cups suck the wall face of a to-be-drilled structure, the micro-needle rotational flow suction cups suck the wall face of the to-be-drilled structure. The drilling machine feeding component drills a to-be-drilled structure, the drilling machine feeding component achieves feeding and resetting of the drilling machine through positive and negative rotation of the motor so as to adjust the drilling operation depth, and the three-foot supporting component can change the feeding angle of a drill bit so as to meet the operation requirements of different drilling angles. The multi-angle drilling device can achieve multi-angle drilling operation in the repairing process of surface cracks of dams with different curvatures, meanwhile has the operation capacity in the complex water flow environment, can replace manual operation and improve the operation efficiency, and is easy to carry and store, wide in application range, safe and reliable.

The invention relates to the technical field of power-assisted robots, in particular to a self-adaptive control lower limb hydraulic power-assisted exoskeleton robot system which comprises a waist supporting device, a leg supporting device, a foot supporting device, a hydraulic power-assisted assembly, an attitude sensor, a lower limb force sensor, a wearable electromyogram sensor, a step obtaining module and a data analysis module. The system can intelligently adjust the output power of the hydraulic power assisting assembly according to the motion posture of the exoskeleton, the pressure data of the foot supporting device and the wearing target muscle state so as to provide proper walking assisting power and bearing support, and the system can further conduct secondary adjustment and fatigue alarm by monitoring the pace frequency and the muscle fatigue degree in real time. The exoskeleton assisting power output power in the carrying process is gradually adjusted according to the comparison result between the weight of the wearing target and the weight of the to-be-moved object, so that assisting power provided by the exoskeleton robot is effectively matched with the weight of the to-be-moved object when the wearing target carries the object.

The present invention relates to the technical field of humanoid robots. Disclosed are a leg power structure for a humanoid robot and a humanoid robot. The leg power structure for a humanoid robot of the present invention comprises a stride driving unit, thigh body assemblies, shank body assemblies and foot assemblies, which are arranged on the waist of a humanoid robot and are connected in sequence, wherein the striding driving unit is configured to drive the whole leg power structure to swing forward and backward; each thigh body assembly comprises a first thigh body and a second thigh body; each shank body assembly comprises a shank body; each foot assembly comprises a foot support member; hip joint driving units are provided on the upper portions of the first thigh bodies so as to drive the whole leg power structure to swing to the left and right; and a first driving unit is provided between each first thigh body and the corresponding second thigh body, so as to realize relative circumferential rotation between the first thigh body and the second thigh body. The whole leg power structure of the present invention has a rational design, is compact, and better meets the requirements of the humanoid robot for various motion postures.

The invention provides an inner supporting device and a using method thereof, and relates to the technical field of inner supporting, the inner supporting device comprises three foot supports, four supporting rods and a locking rod; the three foot supports and one end of the lock rod are sequentially connected through the four supporting rods to form a closed structure in a surrounding mode. The rod end of each supporting rod is rotationally arranged on the corresponding foot support or the corresponding lock rod. When the two supporting rods connected with one section of the lock rod are collinear, the inner supporting device forms a triangular supporting structure with the three foot supports as supporting points, and the triangular supporting structure is used for being supported in a target structure. The locking rod is a telescopic rod, the other end of the locking rod is used for being supported on the target structure in a jacking mode so that the triangular supporting structure supported in the target structure can be kept stable, and dismounting operation on a reinforcing hoop of the column reinforcement cage is easy.

A medical rehabilitation chair includes a main frame, multiple castor devices mounted on the bottom of the main frame, and two armrest boards mounted on two sides of the main frame. A telescopic damping driver, a seat frame assembly, a backrest frame assembly, a leg support assembly, a lifting mechanism, and a foot support assembly are assembled on the main frame. The seat frame assembly has a front section connecting the leg support assembly and a rear section connecting the backrest frame assembly. The telescopic damping driver drives the backrest frame assembly, the seat frame assembly, and the leg support assembly, to produce different swinging angles. The lifting mechanism drives the seat frame assembly to lift or lower. The foot support assembly is movable in a horizontal direction to protrude from the front section of the main frame.

The utility model provides a novel astronaut seat. The novel astronaut seat comprises a backrest assembly, a seat basin assembly, a leg support assembly, a foot support assembly, a headrest assembly, a connecting rod assembly and a handle unlocking assembly, one end of the chair basin assembly is connected with the backrest assembly through the first rotating node, and the other end of the chair basin assembly is connected with the leg support assembly through the fourth rotating node; one end of the connecting rod assembly is connected with the backrest assembly through the second rotating node, and the other end of the connecting rod assembly is connected with the leg support assembly through the third rotating node; and the handle unlocking assembly is arranged at the second rotating node and is used for relieving the rotation limitation of the second rotating node. Synchronous adjustment or locking of a plurality of joints can be achieved only by adjusting or locking one rotating joint, the stability and the convenience are high, and the requirements of astronauts for various seat postures in flight missions are met.

The invention relates to a humanoid robot leg structure which comprises thighs, knee joints, shanks, ankle joints and shanks. The thigh part comprises a first joint module motor and a second joint module motor; the knee joint comprises a first pull rod, a second pull rod and a connecting seat; the first joint module motor is connected with the connecting seat through the first pull rod; the shank part comprises a shank pull rod and a third joint module motor; the second joint module motor is connected with the foot through a second pull rod and a shank pull rod; the third joint module motor is connected with the foot through a shank pull rod; the foot part comprises a front support and a rear support which are connected through a foot support rotating shaft. Compared with the prior art, the humanoid robot has the advantages that the second joint module motor and the third joint module motor are located on the thigh portion and the shank portion respectively, symmetrical arrangement is not needed, module motors with larger size and torque can be arranged, and the motion ability of the humanoid robot is enhanced; the foot part comprises a front support and a rear support, and can adapt to different terrains.

The invention relates to the technical field of automobile seats, in particular to a deck chair type automobile seat frame which comprises a seat cushion frame, a backrest, a sliding block, a supporting block, a fixing block, a limiting piece, a driving piece and a foot bracket, the backrest rotates backwards on the seat cushion frame through a moving piece, and therefore the backrest and the seat cushion frame can be used as a deck chair together; the limiting and fixing state of the limiting plate on the sliding block is relieved, then the cushion frame slides backwards, the foot bracket is driven to rotate through the driving piece while the cushion frame slides backwards, the foot bracket is automatically supported, and therefore a passenger does not need to independently adjust the cushion frame for multiple times in the using process, and the using effect of the passenger is improved. The technical problems that when an existing automobile seat frame is put down, a seat cannot slide backwards, meanwhile, a foot support cannot be automatically supported, a passenger needs to independently adjust the seat frame for multiple times in the using process, and the using effect of the passenger is reduced are solved.

A substructure for footwear can be produced. An inner half-shell of an intermediate layer forms a foot support and a lower, adhesion-promoting layer is produced by heating a mass, pressing the heated mass with the adhesion-promoting layer to form the inner half-shell which is then cooled. A sole area is foamed without demolding the half-shell in a mold part, wherein a press die is introduced into the mold part for pressing the mass with the adhesion-promoting layer. After removal of the press die a mold cavity is placed sealingly on the mold part, so that a cavity in the form of the sole region remains between the lower, adhesion-promoting layer and the mold cavity, into which a plastic is injected or foamed.

The utility model discloses a telescopic kickstand, an auxiliary wheel and a two-wheeled vehicle, and relates to the technical field of vehicles, the telescopic kickstand comprises a supporting rod, the supporting rod is provided with a first end and a second end, the first end is used for contacting a target supporting object, and the second end is used for contacting the target supporting object; the limiting piece is arranged at the second end of the supporting rod; the telescopic piece is arranged on the supporting rod; the supporting rod moves to a first position under the matching action of the limiting piece and the telescopic piece; and the supporting rod moves to a second position under the action of the telescopic piece. The telescopic kickstand provided by the utility model aims to improve the driving safety of the two-wheeled vehicle.

The utility model provides a leg support adjusting mechanism and an automobile seat. The leg support adjusting mechanism comprises a leg support assembly; the foot support assembly is connected to the leg support assembly in a turnover mode; the overturning driving assembly is connected to the leg support assembly and the foot support assembly and can drive the foot support assembly to overturn relative to the leg support assembly; wherein the overturning driving assembly comprises an overturning driving part and an overturning transmission structure, the overturning driving part is connected to the leg support assembly, and the overturning transmission structure can only transmit the driving action of the overturning driving part to the foot support assembly. According to the arrangement, through the arrangement of the overturning transmission structure, the driving action output by the overturning driving piece can be transmitted to the foot support assembly in a single direction, the action on the foot support assembly is prevented from being transmitted to the overturning driving piece, the structural stability is good, and locking of multiple different overturning angles of the foot support assembly is facilitated; and the use requirements of different users can be met.

The utility model discloses a bed body foot support of a digital fluoroscopy X-ray machine, which comprises a bottom plate, an examination bed arranged at the top of the bottom plate and a connecting frame arranged at one end of the examination bed, and further comprises a mounting plate arranged at one end of the connecting frame, a sliding opening is formed in the outer wall of the top of the mounting plate, and a sliding block is connected to the inner wall of the sliding opening in a sliding mode. According to the bed body foot support of the digital fluoroscopy X-ray machine, a patient can put two heels on the two foot supporting assemblies respectively, the fixing plate can be driven to ascend by a certain height through the lifting assembly when the legs need to be lifted, then the foot supporting assemblies and the feet of the patient are driven to ascend, the patient is helped to lift the legs, and therefore the patient can conveniently lift the legs. When the foot needs to be rotated to adjust the position of the ankle joint, the foot supporting assembly can be driven to rotate by a certain angle through the adjusting assembly, then the foot of a patient is driven to rotate by a certain angle, the position of the ankle joint is adjusted, the adjusted posture can be stably kept, and the shooting effect is ensured.

Disclosed are a foot rest assembly for a car child seat and a car child seat with a foot rest assembly. The foot rest assembly can be detachably mountable to the car child seat and can be adjustably mounted in a single insertion portion provided in the car child seat. The foot rest assembly may be foldable. The foot rest assembly may comprise a foot support section that is movable from a use position to an overload position.

The invention relates to the technical field of robots, and discloses a mechanical leg structure and a robot. The ankle joint assembly is movably connected between the shank support and the foot support; the ankle joint assembly comprises a rotating cross shaft, a first rotating shaft and a second rotating shaft, wherein the rotating cross shaft is provided with an ankle first rotating shaft suitable for rotating around an M axis and an ankle second rotating shaft suitable for rotating around an N axis; the first end of the ankle linear actuator is rotationally connected with the shank support, and the second end is rotationally connected with the foot support; the ankle linear actuator is suitable for driving at least one of the foot support and the shank support to move so that at least one of the foot support and the shank support can rotate around the M axis and / or the N axis. According to the mechanical leg structure provided by the invention, an independent driving part does not need to be arranged for rotation of each degree of freedom, so that action combination of multi-degree-of-freedom rotation is realized, the number of the driving parts is reduced, and the structural complexity is reduced.

The invention relates to the technical field of training instrument research, in particular to a double-foot balance feedback training device which comprises a training table used for standing of two feet and a supporting pipe connected with the middle of the front end of the training table and switched between a vertical state and a horizontal state, and a locking handle moving in the axial direction of the supporting pipe is arranged at the top of the supporting pipe in a radial penetrating mode. A toe training device is arranged at the front end of the top face of the training table, and a pelvis training mechanism is arranged in the middle of the training table. The training platform is used for installing and fixing the toe training device, the toe pressing mechanism and the pelvic bone training mechanism, so that a patient can carry out toe training and pelvic bone training by standing on the training platform, a limited space is conveniently utilized for training, and the balance force of double-foot supporting is effectively improved; the foldable supporting pipe is arranged at the front end of the training table, supporting training of a patient is facilitated, meanwhile, the folded supporting pipe and the training table can vertically lean on the wall side or the bedside, storage is convenient, space is not occupied, and practical value is achieved.

The invention provides a humanoid robot single-leg gait transition action design and a control method thereof, and through an algorithm module of a finite-state machine and the single-leg gait transition action design, the problems of center-of-gravity shift and insufficient control precision of a biped robot during gait transition can be effectively solved. By means of the method, the gait control capacity of the robot in the complex environment is remarkably improved, especially in the single-foot supporting and single-leg jumping stage, the robot can be stably switched to the corresponding gait, and the possibility of inclination and unbalance is reduced.

The invention discloses an exoskeleton rehabilitation wheelchair robot with high safety and stability, and particularly relates to the technical field of exoskeleton wheelchairs, the exoskeleton rehabilitation wheelchair robot comprises a fixing support, a fixing chassis is fixedly arranged at the bottom of the fixing support, four driving wheels are rotatably arranged at the bottom of the fixing chassis, and a connecting frame is telescopically arranged at the top of the fixing support; a back supporting frame is telescopically arranged at the top of the connecting frame, two mounting seats are fixedly arranged on one side of the connecting frame, rehabilitation training devices are rotatably connected to the bottoms of the two mounting seats, and foot supporting plates are rotatably connected to the tops of the two rehabilitation training devices; the controller is pushed by the second telescopic rod to rotate so as to drive the rehabilitation training device to rotate, legs are hung and tightened, the structural strength is improved, the movement gait control is more accurate by adopting a push rod mode, the stability of a person standing on the seat cabin can be further improved, shaking is avoided, and the rehabilitation training effect is better. And the stability and the structural strength of the legs are improved to a certain extent.

Bladders for footwear uppers, footwear components and articles of footwear including the bladders, and / or methods of making and using such bladders are described. The bladders may include first and second thermoplastic elastomer sheets joined together by an outer perimeter bond. An interior chamber is defined between the thermoplastic elastomer sheets and inside the outer perimeter bond. The outer perimeter bond may be shaped such that the interior chamber forms: (i) a foot support chamber portion for supporting at least a portion of a plantar surface of a wearer's foot, and at least one of items (ii) and (iii) below, in which: item (ii) comprises a first side chamber portion (e.g., forming at least part of a first securing strap or a first footwear upper component), and item (iii) comprises a second side chamber portion (e.g., forming at least part of a first strap-engaging member or a second footwear upper component).

The invention relates to the field of robots, in particular to a humanoid robot. The humanoid robot comprises a foot module and a leg module. The foot module comprises a foot support, a protective cover and a protective bottom plate; the protective bottom plate comprises a buffer layer and a wear-resistant layer, the buffer layer is connected with the bottom of the foot support, and the wear-resistant layer is connected with the bottom of the buffer layer; the protective cover is connected with the protective bottom plate, and the protective cover covers the top of the foot support; the protective cover is provided with an opening, and the leg module penetrates through the opening to be connected with the foot support. According to the humanoid robot provided by the invention, the buffer layer is arranged at the bottom of the foot bracket to absorb vibration, so that the degree of upwards transmitting the vibration to ankle joints, shanks and even hip joints is reduced; the wear-resistant layer arranged at the bottom of the buffer layer has good wear resistance, so that the buffer layer is prevented from being damaged too early; and a protective cover arranged at the top of the buffer layer can protect the top surface of the foot bracket.

The utility model discloses an O-shaped seal ring automatic assembly equipment relates to mechanical automation equipment technical field, including work slide rail, transition temporary storage support claw, reclaiming and loading clamping jaw and assembly rack, transition temporary storage support claw includes mounting table and multi-foot support claw, mounting table is provided on the reclaiming station, multi-foot support claw is provided on mounting table, and the mounting table is provided with the mounting table. The multi-foot supporting claw comprises a plurality of supporting claws arranged at intervals in the circumferential direction, the material taking and charging clamping claw comprises a lifting hanging table and a multi-foot material taking claw, the lifting hanging table is movably hung on the working sliding rail, the multi-foot material taking claw is arranged on the lifting hanging table and comprises a plurality of outer hook claws arranged at intervals in the circumferential direction, and the outer hook claws are arranged on the lifting hanging table. The top connecting end of the outer hook claw is arranged on the lifting platform, and the bottom grabbing end of the supporting claw extends downwards and expands outwards in the radial direction. According to the automatic assembling equipment for the O-shaped sealing ring, the technical problem that in the prior art, the O-shaped sealing ring needs to be manually moved to a structure to be sealed, and consequently the assembling efficiency is low is solved.

The invention relates to a mounting assembly of a back plate and a foot support, a seat and a vehicle, the mounting assembly of the back plate and the foot support comprises the back plate, a connecting device and the foot support, the back plate is provided with a mounting hole, the connecting device comprises a rotating arm assembly and a shielding assembly, the rotating arm assembly is arranged in the mounting hole in a penetrating mode, and the shielding assembly is arranged on the rotating arm assembly. The shielding assembly is arranged adjacent to the mounting hole, the foot support is arranged on one side of the back plate and connected with the rotating arm assembly, the rotating arm assembly can rotate relative to the back plate so as to drive the foot support to move between an unfolding position and a folding position, and the rotating arm assembly can rotate relative to the back plate to drive the foot support to move between the unfolding position and the folding position. And the shielding assembly covers at least part of the mounting hole. According to the mounting assembly of the back plate and the foot support, when the foot support is unfolded, part structures in a seat can be prevented from being exposed, the sealing and dustproof effects are good, and the use experience of a user can be improved.