129 results about "Arm position" patented technology

A glute hamstring developer exercise machine includes a vertical post extending from a lower end to an upper end; a user body support system coupled to the vertical post, the user body support system having one or more pads to support the user in a plurality of positions; and a primary frame supporting the one or more pads and extending substantially from the vertical post; at least one weight arm positioned substantially underneath the one or more pads, the at least one weight arm is to be operated by the user to perform one or more exercises.

The application relates to a mechanical arm positioning and grabbing method and device, computer equipment and a storage medium. The method uses registration technology to obtain a successful registration of the actual object grabbing position, calculates the space conversion relationship between the teaching object and the actual object, effectively uses the information of the registered object, compensates for the poor imaging of the part through an optimization algorithm, and infers the grabbing position of the remaining object which fails to be registered, thereby solving the problem of registration failure caused by poor imaging of the high-reflectivity part. The method significantly improves the success rate of grabbing and the reliability of the system, ensures accurate grabbing of the part in a high-reflectivity environment, and improves the stability and efficiency of the overall system.

A corrective device for relieving pain in the neck, shoulder, and upper back regions of the human body. More particularly, the corrective device comprises two arm support foam pads, a neck support pad, and a tummy support pad, each of the four support pads having adjustable straps to accommodate different body sizes and varying arm positions. In operation, the user lies face down between the arm support pads, positions their arms on the support pads with elbows on the pads, places their chin on the neck support pad, and positions the tummy support pad under their navel. The adjustable straps allow for customization to the user's body dimensions. The device may provide relief from neck, shoulder and upper back pain, and may correct conditions such as Kyphosis Hump and Rounded Shoulders.

The utility model discloses an arm positioning device of a bone mineral density detector, which belongs to the technical field of medical devices and comprises a detection bin, a supporting mechanism is arranged in the detection bin, a groove is arranged on the upper end face of the supporting mechanism, and an arm can be placed in the groove. A positioning bulge is also arranged in the groove; the supporting mechanism is in sliding connection with the detection bin, so that the supporting mechanism can be moved out of the detection bin. According to the arm positioning device of the bone mineral density detector, the positioning device can quickly position the position of the arm, so that the detection efficiency and the experience feeling of a detected person are improved.

A passive end effector of a surgical system includes a base, a first mechanism, and a second mechanism. The base attaches to an end effector coupler of a robot arm positioned by a surgical robot. The first mechanism extends between a rotatable connection to the base and a rotatable connection to a tool attachment mechanism. The second mechanism extends between a rotatable connection to the base and a rotatable connection to the tool attachment mechanism. The first and second mechanisms pivot about the rotatable connections to constrain movement of the tool attachment mechanism to a range of movement within a working plane. The tool attachment mechanism is configured to connect to a surgical saw including a saw blade for cutting.

The utility model discloses a building engineering service robot terminal, and relates to the technical field of robot terminals. The remote controller comprises a remote controller body, the bottom of the remote controller body is fixedly connected with an installation ring, the installation ring is connected with a supporting mechanism in a clamped mode, the supporting mechanism comprises a chuck, the bottom of the chuck is rotationally connected with a rotating rod, one end of the rotating rod is rotationally connected with a lower arm support, and the other end of the rotating rod is connected with a lower arm. According to the remote controller, the remote controller body, the mounting ring and the supporting mechanism are arranged, the supporting mechanism can be stably connected to the remote controller body through the mounting ring, and the supporting mechanism comprises the chuck, the rotating rod, the lower arm support, the elastic band, the fixing block, the upper arm support and other components; the whole device can be flexibly adjusted according to the arm position and the comfort degree of a user, so that the fatigue feeling of the arms and shoulders is relieved, and the supporting mechanism solves the technical problem that during holding, much strength needs to be consumed to balance torque, and use is strenuous.

A retention system includes a pipe rack rotatable between a first pipe rack position and a second pipe rack position, a retention arm assembly coupled with the pipe rack, and a pipe positioner system. The retention arm assembly is rotatable relative to the pipe rack between a first arm position and a second arm position. When the pipe rack is in the first pipe rack position and the retention arm assembly is in the first arm position, the retention arm assembly is disengaged from a deck bushing of a drilling machine. When the pipe rack is in the second pipe rack position and the retention arm assembly is in the second arm position, the retention arm assembly is engaged to retain the deck bushing in a raised state. The pipe positioner system contacts the drill string to guide and center a movement of the drill string along a vertical axis.

A method for restraint of a subject in a. supine position is described. The method comprises pulling a first arm of the subject over a shoulder of a second arm of the subject to achieve a crossover arms position. The method further comprises rolling the subject from the supine position to a. lateral position while preserving the cross-over arms position. The method further comprises pulling a first leg of the subject over a second leg of the subject to achieve a cross-over legs position. The method further comprises preserving the cross-over legs position of the subject by securely restraining at least the first leg of the subject. The cross-over arms position and the crossover legs position are preserved simultaneously for restraint of the subject. Further, methods for restraint of a subject in a prone position and seated position are also provided.

An ultrasonic surgical instrument and method for identifying tissue state and energizing the surgical instrument includes an end effector having an ultrasonic blade and an RF electrode, a shaft assembly, a body, and a power controller. A first ultrasonic energy input is configured to be actuated from a first unactuated energy input state to a first actuated energy input state. A trigger input is configured to be actuated from an unactuated trigger input state to an actuated trigger input state. The power controller is operatively connected to the ultrasonic blade, the RF electrode, the first ultrasonic energy input, and the trigger input and configured to direct at least one of the ultrasonic blade or the RF electrode to be selectively driven according to a predetermined drive function based on the tissue impedance, the state of the first energy input, and the state of the trigger input.

This product is an industrial robot in which the left-right orientation of the arm position can be changed by setting the origin position of the joint. As shown in "Perspective View 1" and "Perspective View 2" with the arm position changed, the left-right orientation can be changed.

A supplemental wheel assembly for a wheeled conveyance has first and second laterally spaced apart positioning plates securable to a camber tube attached to the wheeled conveyance. The first and second positioning plates have a plurality of pairs of positioning apertures defining a plurality of arm positions. The supplemental wheel assembly further has a support arm rotatably mountable between the first and second positioning plates and rotatable between the plurality of arm positions when mounted between the positioning plates. The support arm has an arm length extending from a proximal arm end to a distal arm end, and a telescopic joint at a location between the distal arm end and the proximal arm end. The arm length is continuously adjustable using the telescopic joint. The supplemental wheel assembly further has a stop pin slidably insertable through any of the pairs of positioning apertures to define an arm stop position.

The present application belongs to the field of robot technology and driver, and specifically relates to a trajectory checking planning method for a safety boundary of a driver layer, which comprises the following steps: 1) position and acceleration constraint setting; 2) the driver checks the current mechanical arm position and speed through a safety boundary triggering function, and evaluates whether the mechanical arm is about to or has exceeded the preset safety boundary; 3) when the safety boundary is triggered, a re-planning stage is entered, and the driver automatically calculates and generates a time-optimal trajectory re-planning strategy by using the position, speed and acceleration information of the current mechanical arm; and 4) the driver adjusts the driver instruction generated according to the re-planning strategy to ensure the safe movement of the mechanical arm. The present application combines the position constraint and the maximum stop acceleration constraint of the driver layer, and effectively deals with the misoperation or unreasonable planning of the upper-layer trajectory planning instruction.

The utility model relates to the technical field of radiotherapy equipment, in particular to an arm positioning and supporting device and a radiotherapy positioning device, which comprise an arm positioning and supporting plate. The arm positioning supporting plate comprises an arc surface mounting part matched with the arc surface mounting surface, supporting parts used for supporting an arm and a connecting part arranged between the arc surface mounting part and the supporting parts, the supporting parts are located on the two sides of the arc surface mounting part, and the supporting parts are higher than the arc surface mounting part. By arranging the cambered surface mounting part, the arm positioning and supporting device can be conveniently and stably connected with the bed board; by arranging the supporting part, the arm is supported, and the comfort of keeping the fixed body position of the patient during treatment is improved.

The application discloses a device for correcting pen holding posture and a using method thereof, which is mainly composed of a reference body and a fastening device. The reference body is composed of a horizontal straight geometric body, and the surface of the geometric body is a contrast surface, on which contrast lines are arranged. The fastening device is composed of a buckle and a groove, and the buckle is connected with the reference body, and the groove is arranged near the buckle. In use, the buckle is buckled on a pen barrel, the pen barrel falls into the groove, the reference body is placed crosswise with the pen barrel, the contrast surface is upward and kept in a horizontal state, then the reference body, the contrast surface, the contrast lines and a contrast object are horizontally aligned, in use, the correct pen holding posture and the arm position are arranged, the pen is held to write, and the reference body, the contrast surface, the contrast lines and the contrast object are kept in horizontal alignment. In the writing process, if the horizontal imbalance is found, the imbalance is corrected, and the problems of the incorrect pen holding posture, the arm position and the wrist hooking are corrected.

The utility model relates to the field of lockset, concretely relates to an adjustable hasp, including first base, second base, swing arm and adjusting assembly. Swing arm can rotate and separate or connect with limiting hook, and this kind of movable connection mode makes that hasp still can complete closing action when facing slight misalignment. Adjustable hasp adopts split type structure design, and is divided into first base, second base, swing arm and adjusting assembly, and each component is through rotary connection or bolt fixation between each component, is convenient for dismounting, maintenance or replacement. In old building or non - standard structure, user does not need to replace entire assembly, only needs partial adjustment to restore function. When needing to adjust swing arm position, through loose and tight bolt, moves connecting block and swing arm in the range of adjusting groove to change the spatial position of swing arm, and adapts to the connecting demand of different misalignment distance.

The application discloses a closed-chain operation hydraulic double-arm trajectory planning and motion control method considering multiple physical constraint limitations. The method comprises the following steps: establishing a hydraulic double-arm trajectory planner, modeling the physical constraints of the hydraulic double-arm, and generating a new expected trajectory according to an input instruction; establishing a hydraulic double-arm motion controller, receiving the expected trajectory from the trajectory planner, adaptively updating object inertia parameters for estimation of the physical constraint boundary, and performing motion control on the double arm. The application can be used for closed-chain operation of the hydraulic double-arm object, ensures that the object motion does not exceed the multiple physical constraint limitations of the system, so that the object does not deviate from the expected path, reduces the double-arm position error and internal force, and thus avoids the occurrence of unexpected accidents.

The invention provides flexible rocker arm welding equipment, and relates to the technical field of aero-engine production equipment. The flexible rocker arm welding equipment comprises a rocker arm positioning piece and a rotary welding assembly. A pin positioning hole is formed in the center of the rocker arm positioning piece and used for allowing a rocker arm pin to be inserted so as to position the rocker arm pin. A positioning protrusion is arranged on one side of the pin positioning hole and inserted into a second through hole in the rocker arm body, so that the rocker arm body is positioned, and the positioning precision between the rocker arm body and the rocker arm pin is guaranteed. The rotary welding assembly comprises a rotating component and a welding structure installed on the rotating component, the rotating component is used for driving the welding structure to rotate around the center of the rocker arm positioning piece, the rocker arm pin is welded by one circle through the welding structure, and the rocker arm body and the rocker arm pin are limited through the rocker arm positioning piece in the welding process. And the influence of welding thermal deformation is avoided, so that the manufacturing qualification rate of the flexible rocker arm is favorably improved.

The utility model relates to the technical field of nursing supports, in particular to an adjustable nursing support which comprises two fixing supports which are symmetrically arranged, the intersecting ends of the two fixing supports are connected through a knob type structure, and clamping plate sliding grooves are formed in the side walls of the ends, away from the knob type structure, of the fixing supports. Adjusting clamping plates are installed between the inner walls of the clamping plate sliding grooves in a sliding mode, limiting assemblies are arranged on the side walls, close to the ends where the knob type structures are located, of the adjusting clamping plates, and first arm embracing binding bands are installed on the side walls, close to the two ends, of one adjusting clamping plate. Adjusting clamping plates are installed through clamping plate sliding grooves formed in the side walls of the fixing support, and a first arm embracing bandage, a second arm embracing bandage and a wrist fixing assembly are installed between the adjacent side walls of the adjusting clamping plates on the two sides correspondingly. In this way, the device can adjust the arm holding positions of the first arm holding bandage, the second arm holding bandage and the wrist fixing assembly within a certain range according to the arm length of the patient, and the practicability of the device is improved.

The invention provides an interaction system, an X-ray machine and a control method. The interaction system comprises an arm body; the driving assembly is used for driving the arm body to move, the driving assembly comprises a driving rod and a supporting seat, the driving rod is connected with the supporting seat, the supporting seat is connected with the arm body, and the driving rod is arranged in a telescopic mode; the operation assembly is arranged on the supporting seat, the operation assembly is in signal connection with the driving assembly, and the operation assembly is used for controlling the driving assembly to move; the operation assembly is in signal connection with the arm body and used for controlling the arm body to move. According to the interaction system, the technical problem that the C-arm position needs to be frequently moved between the near-bed position and the far-bed position in the prior art when the C-arm position is adjusted is solved.

The application relates to a flexible mechanical arm control method and system based on a fractional order complementary sliding mode, and the method comprises the following steps: constructing a flexible mechanical arm dynamics model according to mechanical arm related parameters, a hypothetical modal method and a Lagrange method; decoupling the flexible mechanical arm dynamics model according to a singular perturbation method to generate a slow variable subsystem model and a fast variable subsystem model; establishing a super-helix extended state observer according to the slow variable subsystem model and generating an observed disturbance value; generating a fractional order complementary sliding mode control law according to a flexible mechanical arm position tracking error; generating a trajectory tracking control law according to a tracking differentiator, the observed disturbance value and the fractional order complementary sliding mode control law; generating a vibration suppression control law according to the fast variable subsystem model, a super-helix algorithm and a mechanical arm end vibration amount; and combining the trajectory tracking control law and the vibration suppression control law to generate a total control law. The control precision is improved through the fractional order complementary sliding mode, and chattering is effectively suppressed.

The utility model discloses a mechanical arm mounting frame which comprises a supporting frame, the supporting frame is in a frame shape, a mechanical arm is fixedly mounted at the upper end of the supporting frame, a plurality of universal wheels are fixedly mounted at the lower end of the supporting frame, supporting discs are fixedly mounted at the vertex angles of the lower end of the supporting frame, and rotating discs are rotatably mounted at the upper ends of the supporting discs. A supporting arm is rotatably installed at the upper end of the rotating disc, a supporting arm rotating shaft is perpendicular to the rotating disc rotating shaft, a supporting leg is rotatably installed at the end, away from the rotating disc, of the supporting arm, fixing pieces are arranged at the positions of the rotating disc and the supporting arm rotating shaft, and the fixing pieces fix the positions of the rotating disc and the supporting arm. According to the mechanical arm, the supporting arms and the supporting legs are arranged at the vertex angles of the lower end of the supporting frame, when the mechanical arm is used, the supporting arms are opened and fixed through the fixing pieces, the supporting range is expanded through the supporting arms and the supporting legs, supporting performance is improved, and the possibility of overturning is reduced.

An armrest for an office chair is used for solving the problems that in the prior art, an office chair armrest in the prior art can support arms of a user, but due to the fact that an arm supporting face of the armrest is relatively horizontal with the ground, when the position of the arms of the user is changed, the supporting area of the armrest for the arms is reduced, and the supporting effect is poor. The device comprises a base, a mounting block is rotationally arranged on the base, a groove is formed in the mounting block, a rotating rod is arranged on the mounting block, the two ends of the rotating rod are rotationally arranged on the outer walls of the two opposite sides of the groove respectively, and the handrail is fixedly arranged on the rotating rod. An adjusting assembly used for adjusting the rotating angle of the handrail is arranged in the mounting block.

The application relates to the technical field of robot control, in particular to a robot system for engineering monitoring. The application is characterized by the carrier, the robot component, the data collection module, the feature aggregation module and the posture control module. The feature aggregation module is used to determine the signal execution amount and the follow-up delay characteristic amount according to the change of the base stress value in the signal execution period. The construction unit is used to determine the follow-up delay characteristic data set of each signal execution amount and judge whether the monitoring data obtained at the current position is qualified. The posture control module is used to determine the operation limit trajectory of the mechanical arm according to the mechanical arm position signal corresponding to the heterogeneous signal execution amount, add a pause point to the operation limit trajectory, and then control the mechanical arm to move along the operation limit trajectory. Thus, the quality of the monitoring data is updated by extracting data features and constructing a related model, and the quality and data effectiveness of the data collection of the robot are improved.

The utility model relates to the technical field of casting machine equipment maintenance, and discloses a ladle arm spherical bearing dismounting device, which comprises a ladle table, a ladle arm and a spherical bearing, the protection structure comprises a first protection part and a second protection part, the first protection part comprises two sets of first supporting bearings fixedly installed on the top of the wrapping table, two sets of fixing clamping rings are fixedly installed on the top of the wrapping table, and fixing clamping ring bolts are installed in the fixing clamping rings in a clamped mode; the second protection part comprises a first tool platform frame arranged outside the ladle table, two sets of second jacking hydraulic cylinders are arranged at the top of the first tool platform frame, a second tool platform frame is arranged outside the ladle table, two sets of third jacking hydraulic cylinders are arranged at the top of the second tool platform frame, and the purpose of limiting and fixing the ladle arm is achieved; and the fixing effect of the wrapping arm is improved, the stability of wrapping arm disassembly is improved, the situation of wrapping arm position deviation is reduced, and the using safety of the device is improved.

The embodiment of the invention provides an intelligent book storing and taking system and method. The system comprises a two-wheel differential motion chassis, a five-degree-of-freedom mechanical arm, a clamping device and a storing device. Wherein the two-wheel differential motion chassis is used for freely moving in a library so as to adapt to different environments and terrains; an advanced control algorithm is adopted to realize accurate speed control and direction control; the five-degree-of-freedom mechanical arm positions the book position through a depth camera and moves, so that the book is accurately positioned by the clamping device; the clamping device rotates along with the stories to clamp the books in different placing states and swing and stir the books up and down, so that the books are pulled out, and through the system, the intelligent storing and taking speed and accuracy are improved.

The utility model provides a 360-degree circumferential air supply carbon arc gouging gun which comprises a gun head, a pneumoelectric connecting rod connected with the gun head and a handle arranged on the pneumoelectric connecting rod in a sleeved mode, one end, away from the gun head, of the pneumoelectric connecting rod is connected with a pneumoelectric combination body, and the pneumoelectric combination body is rotatably connected with the pneumoelectric connecting rod. In the operation process, the carbon arc air gouging gun can freely adjust the gouging angle, so that an operator can flexibly carry out various complex or fine gouging machining without frequently adjusting the position of the body or the arm, and the operation difficulty and the harm degree of smoke dust to the operator are reduced.

The utility model discloses a bent arm position degree detection tool, belongs to the field of dimension detection, and aims to improve the detection efficiency and precision. A base is included; the first supporting table is matched with a lower vehicle body support, the second supporting table is matched with an upper vehicle body support, the third supporting table is matched with a lower vehicle door support, and the fourth supporting table is matched with an upper vehicle door support. The pedestal is provided with a first detection seat used for detecting the first connecting rod, a second detection seat used for detecting the lower support of the vehicle door, and a third detection seat used for detecting the upper support of the vehicle door. The detection reference point of the bent arm assembly is determined, and during detection, the detection reference point is transferred to the main reference hole and the secondary reference hole of the tool from the mounting holes of the vehicle body lower support and the vehicle body upper support, so that all bent arm assemblies detected by the detection tool have the same detection reference point, the detection consistency is ensured, and the detection efficiency is improved. Therefore, the detection accuracy is ensured. All position degree detection of the bent arm assembly can be completed through one-time positioning, operation is convenient, and detection efficiency is improved.

The utility model relates to the technical field of fitness equipment, in particular to a height adjusting assembly for a pushing and lifting trainer. Comprising a base, a movable plate and a supporting block, the supporting block is fixedly installed at the top of the movable plate, the inclination angle of the movable plate relative to the base is adjustable, the movable plate and the base are kept fixed after adjustment, and the supporting height of the supporting block is changed along with the inclination angle of the movable plate; the base is provided with a plurality of sets of clamping grooves which are vertically arranged at intervals and transition grooves communicating with the same sides of the clamping grooves, and the first end of the movable plate is switched and clamped in one set of clamping grooves through the transition grooves. A traditional mode that the supporting height of the movable arm is fixed is changed, an innovative mode that the supporting height of the supporting block is changed by adjusting the inclination height of the movable plate is provided, and a trainee can adjust the lower limit position of the movable arm to a posture comfortable to the arm of the trainee according to needs to conduct safe exercise.