Patents
Literature
84 results about "Arm swing" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Arm swing in human bipedal walking is a natural motion wherein each arm swings with the motion of the opposing leg. Swinging arms in an opposing direction with respect to the lower limb reduces the angular momentum of the body, balancing the rotational motion produced during walking.Although such pendulum-like motion of arms is not essential for walking, recent studies point that arm swing ...
Double-claw driving mechanism
Disclosed is a double-claw driving mechanism. The double-claw driving mechanism comprises a housing, a driving plate and a driving device; the housing is provided with a horizontal guide groove; the driving plate is arranged in the guide groove, a swing arm is installed at each of two ends of the driving plate, and a lower end of the swing arm is connected to the driving plate; and the driving device is used for driving the driving plate to reciprocate in a length direction of the guide groove, thereby driving the swing arm to swing in a reciprocating manner, and the two swing arms swing between positions close to each other and positions away from each other. When the driving plate moves horizontally in a reciprocating manner, the upper end of the swing arm is limited by the massage head or the amplitude of the swing shaft.
Owner:DONGGUAN RIJIE ELECTRONIC TECHNOLOGY CO LTD +1
Wire nodule detection device
The invention discloses a wire nodule detection device. The wire nodule detection device comprises a rotating wheel; the swinging arm comprises a pressing part suitable for pressing the conveyed wire on the rotating wheel; and a sensor for detecting the position of the swing arm. When knots on the conveyed wire rod pass through the space between the rotating wheel and the pressing part of the swing arm, the swing arm swings back and forth once between the first position and the second position, and therefore whether the conveyed wire rod has the knots or not can be judged according to the position detected by the sensor. According to the invention, the wire nodule detection device can detect nodules on the conveyed wire in time, so that the problem of blockage caused by the nodules of the wire can be effectively prevented.
Owner:TYCO ELECTRONICS (SHANGHAI) CO LTD +1
Mechanical gripper
The utility model belongs to the technical field of manipulators, and provides a mechanical gripper which comprises a clamping seat, a first clamping arm and a second clamping arm, the first clamping arm and the second clamping arm are respectively installed on the clamping seat, the first clamping arm and the second clamping arm are oppositely arranged, both the first clamping arm and the second clamping arm are pivoted with the clamping seat, and the first clamping arm and the second clamping arm form an annular structure after being closed. The opening and closing power piece drives the first clamping arm and the second clamping arm to be opened and closed, and the opening and closing power piece is in transmission connection with the first clamping arm and / or the second clamping arm. According to the mechanical gripper, the first clamping arm and the second clamping arm are driven by the opening and closing power part to swing, so that opening and closing are achieved, the first clamping arm and the second clamping arm form an annular structure after being closed, sectional materials are grabbed in an encircling mode, the requirements for the shape, the placing posture and the number of the sectional materials are low, universality is good, and when thin and long sectional materials are grabbed, the clamping force is large, and the clamping force is large. And two or more mechanical grippers are matched for parallel simultaneous operation, so that the sectional materials can be efficiently and quickly transferred, the working efficiency is improved, and the labor intensity of workers is reduced.
Owner:DUOMAI INTELLIGENT MFG (GUANGDONG) CO LTD
A vision-based standing long jump swing detection method, device and medium
PendingCN122157353AData processing applicationsCharacter and pattern recognitionPhysical medicine and rehabilitationStanding long jump
The present application relates to a kind of vision-based standing long jump arm swing detection method, equipment and medium, belong to arm swing detection technical field, the method includes: when personnel enters standing long jump area preparation, the key information of each frame of personnel is acquired;According to left / right hand coordinates, left / right hand cumulative peak value score and left / right hand cumulative valley value score are calculated respectively, whether there is swing cycle is judged;When the judgment result is that there is swing cycle, the frame number of each peak value of left / right hand, the frame number of each valley value of left / right hand, the swing amplitude of each valley value of left / right hand and the swing direction of each valley value of left / right hand are determined respectively;The foot off ground degree score and knee joint stretch score of each frame are calculated, whether personnel is in take-off state is judged, the frame number corresponding to the first time that personnel is in take-off state is acquired;The arm swing action of personnel from preparation to take-off process is evaluated;According to the key information of the frame number corresponding to the first time that personnel is in take-off state, take-off posture is evaluated.
Owner:GUANGDONG PROPHET BIG DATA CO LTD
Hand-waving electric toy
The utility model discloses a swing electric toy which comprises a toy body, a swing driving assembly is arranged in the toy body, the swing driving assembly comprises a swing part rotationally connected to the interior of the toy body and a driving coil for driving the swing part, and the driving coil generates an alternating magnetic field after being electrified. The alternating magnetic field is used for driving the swing part to swing back and forth around the rotating axis; the swing piece is in transmission fit with a swing arm on the toy body, so that the swing arm swings along with swinging of the swing piece. Gear set transmission in the prior art is replaced, the problem of gear mechanical abrasion is fundamentally solved, the problems of slipping, idling or displacement caused by collision and aging of a gear set are solved, a complex gear set structure is omitted, a driving assembly is simplified, the production and maintenance cost is reduced, mechanical abrasion is reduced, and the service life of the toy is prolonged. The response speed of electromagnetic driving is higher, action connection is smooth, the mechanical hysteresis feeling of traditional gear transmission is avoided, the motion trail of the swing arm is closer to real animal actions, and the entertainment experience is improved.
Owner:DONGGUAN MORNING LIGHT PRINTING
Label rewinding machine
The utility model provides a label rewinding machine which comprises a machine box and a rewinding shaft arranged on one side of the machine box, a pressing rod parallel to the rewinding shaft is further arranged below the rewinding shaft, and the pressing rod is rotationally connected to the machine box through a swing arm. A first swing arm limiting block and a second swing arm limiting block are arranged on the two sides of the swing arm respectively. A long through hole is formed in the position, located on the swing stroke of the swing arm, of the machine box. A first position sensor and a second position sensor which are used for detecting the position of the swing arm are arranged at the positions, close to the two ends of the long through hole, in the machine box respectively. When the swing arm swings to the position close to the first swing arm limiting block, the swing arm shields the first position sensor, and when the swing arm swings to the position close to the second swing arm limiting block, the swing arm shields the second position sensor. According to the label rewinding machine, rewinding or paper feeding of the rewinding shaft can be adjusted in time according to actual working conditions.
Owner:GUANGDONG BISHIXI TECH CO LTD
Medipe and random forest algorithm-based marathon running posture correction method
The invention provides a marathon running posture correction method based on Mediape and a random forest algorithm, and relates to the technical field of computer vision and pattern recognition. The method comprises the following steps: firstly, detecting 33 key skeleton nodes of a human body, calculating a knee bending angle, an arm swing amplitude, a trunk forward inclination angle, a flying height and a moving speed, and then optimizing the knee bending angle, the arm swing amplitude, the trunk forward inclination angle, the flying height and the moving speed through feature importance analysis, feature reduction and the like; a random forest algorithm is adopted for model training and evaluation, a UI interface is formed through test packaging, a real-time feedback APP capable of being implanted into a sports watch is built, and real-time feedback and correction of the marathon running posture are achieved.
Owner:NANTONG UNIV
Lathe power tool turret
The utility model discloses a lathe power tool turret which comprises a tool turret body, a locking mechanism, an adjusting mechanism and a tool, a tool disc is arranged on the side wall of the tool turret body in a rotating mode, a cavity is formed in the tool disc, and a guide groove communicated with the cavity is formed in the side wall of the tool disc. The locking mechanism comprises a rotating disc arranged in the cavity, a movable arm movably matched with the rotating disc, a sliding block movably matched with the movable arm and moving along the guide groove, and an L-shaped clamping block arranged on the side wall of the sliding block. The adjusting mechanism comprises a traction block arranged on the side wall of the sliding block, a tensioning piece arranged on the pushing side wall and a movable rod arranged on the side wall of the traction block, an inserting groove is formed in the side wall of the cutter, and a clamping groove is formed in the inserting groove. Disassembly and assembly are convenient and fast.
Owner:HUBEI MINGYING PRECISION MACHINERY CO LTD
Rotating shaft mechanism and terminal device
ActiveCN121025041BDigital data processing detailsCasings/cabinets/drawers detailsGear driveGear wheel
The embodiment of the application relates to the technical field of terminal equipment, and provides a rotating shaft mechanism and terminal equipment, which can solve the problem of poor opening angle stability of a rotating shaft mechanism in related technologies after a locking structure of the terminal equipment is unlocked. The rotating shaft mechanism comprises a base, an arm swing assembly, an elastic piece and a first cam structure; the arm swing assembly comprises a bearing piece, a pair of swing arms rotatably connected to opposite edges of the base and an even number of gears, the even number of gears are transmissionally connected between the pair of swing arms, the bearing piece is fixed opposite to the base along the circumference of the gears; the elastic piece is used for applying an elastic force to at least one of the bearing piece and the gears; the first cam structure is arranged between a first end surface of the gears and the bearing piece, and comprises a first protruding part arranged on one of the bearing piece and the first end surface, and a second protruding part arranged on the other one of the bearing piece and the first end surface. The application can be used on terminal equipment such as mobile phones.
Owner:HUAWEI TECH CO LTD
Multi-station lifting and swinging indexing turntable mechanism
The invention relates to the field of packaging and transporting equipment, in particular to a multi-station lifting swing indexing turntable mechanism which comprises a cam box set, a turntable set is arranged at the top of the cam box set in a rotating and lifting mode, the cam box set comprises a box set, and a lifting mechanism set for driving the turntable set to rotate and lift is vertically arranged in the box set. A lower swing mechanism set used for driving the lifting mechanism set to rotate is arranged on one side of the lifting mechanism set and located at the bottom of the box set, and the lower swing mechanism set is driven by a single motor and synchronously and coordinately outputs three kinds of composite motion of lifting, swing and indexing through a highly-integrated cam box set internal transmission chain. The swing turret is synchronously driven to rotate and the rocker arm is synchronously driven to swing through the first guide wheel groove and the roller guide groove in the single lifting swing cam, then lifting of the output shaft is converted, absolute synchronization and high precision of lifting and rotating actions are guaranteed through mechanical forced linkage, zero back clearance is achieved through prepressing of the cams and the rollers, transmission is stable, and the service life is long.
Owner:CHANGZHOU JIANGZHUN TRANSMISSION TECHNOLOGY CO LTD
Self-walking cleaning machine
The invention relates to a self-walking cleaning machine which comprises a shell and a cleaning module. The cleaning module is swingably mounted on the housing and includes a driving device, a swing arm, a cleaning unit, and a driving force transmission member. The driving device is used for providing driving force. The cleaning unit is rotatably disposed on the swing arm. The driving force transmission member is provided on and in contact with the swing arm, and transmits the driving force from the driving device to the cleaning unit to rotate the cleaning unit. In the process that the driving force transmission component transmits the driving force, the torque of the driving force transmission component is at least partially transmitted to the swing arm, so that the swing arm swings relative to the shell. Rotation of the cleaning unit and swinging of the swinging arm are achieved through the single driving device, the structure is simplified, and cost is reduced.
Owner:HOBOT TECH INC
Angle keeping mechanism and clamping device
Owner:SHENZHEN PIYANG AUTOMATION TECH CO LTD
Swing arm type material guiding robot
The utility model discloses a swing arm type material guiding robot which is used for solving the problem that in the prior art, materials output by a cigarette making machine at a high position cannot be automatically guided to an outlet of a material bin of a packaging machine at a low position. The utility model provides a swing arm type material guiding robot. The swing arm type material guiding robot comprises a shell; the driving walking mechanism is connected with the shell and used for driving the shell to walk; the swing arm assembly is provided with at least one swing arm, and the swing arm is hinged to the left side face and / or the right side face of the shell, so that the swing arm swings relative to the shell, and the overall width of the swing arm type material guiding robot is changed. The robot can adapt to the width change of a material conveying channel between an upstream cigarette making machine and a downstream packaging machine, materials can be guided from an outlet of the cigarette making machine and filled into an outlet of a material bin of the packaging machine, and the robot can be moved away from the material conveying channel at any time; and the robot can be suitable for automatically guiding other materials with complex circuitous channels with right-angle bends and the like.
Owner:KUNMING DINGCHENG TECH
Elastic stretch biomimetic swing hook set
The present application relates to the fishing technical field, especially a kind of elastic stretch bionics swing hook group.Its characterized in that it is by main line, elastic stretch movement frame, subline, fish hook, sinker connecting line and sinker composition, main line passes through the main line guide hole of elastic stretch movement frame upper end and connects elastic arm traction point, subline one end connects elastic arm subline connecting point, the other end connects fish hook, sinker connecting line one end connects the sinker connecting line fixed point of elastic stretch movement frame, the other end connects sinker, when main line is stressed, main line passes through the main line guide hole of elastic stretch movement frame and applies tension on elastic arm traction point, and using the elasticity of memory elastic component of elastic arm, pull elastic arm swing, elastic arm is pulled fish hook swing by subline of end, and make the bait on fish hook to and fro.
Owner:WEIHAI FUHONG TECH CO LTD
Swing arm
ActiveCN223829539UPrinted circuit manufactureConveyor partsElectrical and Electronics engineeringArm swing
The utility model discloses a swing arm, which relates to the technical field of chip mounters, and comprises a mounting seat, a swing arm and a swing arm, the fixing part is used for mounting the suction nozzle; one end of the connecting part is connected with the mounting base, the other end of the connecting part is connected with the fixing part, an air channel of a hole-shaped structure is formed in the connecting part, the air channel is horizontally arranged, the connecting part is provided with a first outer side and a second outer side which are oppositely arranged, one end of the air channel penetrates through the first outer side, and the other end of the air channel penetrates through the second outer side. And the mounting seat, the fixing part and the connecting part are integrally formed. According to the technical scheme, the problem that an existing swing arm swings up and down when swinging at a high speed can be solved.
Owner:SHEN ZHEN TALUER TECH CO LTD
Balance mechanism of hydraulic swing arm cutting machine
ActiveCN224074481UAffects balance stabilityIncreased flexibility of useMetal working apparatusHydraulic cylinderBalancing machine
The utility model relates to the technical field of hydraulic swing arm cutting machines, and discloses a balance mechanism of a hydraulic swing arm cutting machine, which comprises a case, a swing arm and a hydraulic cylinder, and the balance mechanism and a stabilizing mechanism are arranged in the case; the stabilizing mechanism comprises a storage cavity formed in the machine box, a moving plate is slidably connected into the storage cavity, universal wheels are fixedly arranged at the bottom of the moving plate, a limiting notch communicating with the storage cavity is formed in the bottom of the machine box, and a groove is formed in the storage cavity. A second motor is started to enable a bidirectional screw rod to rotate reversely, so that the upper ends of two connecting hinge rods are far away from each other, the lower ends of the connecting hinge rods can pull a moving plate and universal wheels into a containing cavity through fixing blocks, and the swing arm cutting machine is stably supported by a supporting pad; and the situation that vibration and acting force generated when the swing arm cutting machine works enable the universal wheels to move, consequently, equipment deviates or shakes, and the balance stability is influenced when the swing arm swings is avoided.
Owner:XINGHUA LIXIN MASCH CO LTD
Cleaning robot, obstacle crossing traveling wheel device and robot obstacle crossing method
The embodiment of the invention provides a cleaning robot, an obstacle crossing traveling wheel device and a robot obstacle crossing method. The cleaning robot comprises a robot body, a swing arm, an auxiliary obstacle crossing assembly and a clutch device. In the scheme of the embodiment of the invention, the swinging arm is provided with the advancing wheel and the power device, and is further provided with the auxiliary obstacle crossing assembly and the clutch device, and the cleaning robot can smoothly advance on any advancing surface by changing the state of the clutch device. When crossing low obstacles and the like, the swing arm swings downwards, the clutch device can be in a separated state, the power device drives the advancing wheels, and then passing can be achieved. When the cleaning robot crosses over a high obstacle, the swing arm descends, the clutch device can be switched to a joint state, the power device drives the advancing wheels and the auxiliary obstacle crossing assembly to rotate at the same time, the auxiliary obstacle crossing assembly swings downwards to assist the advancing wheels to climb over the obstacle, the obstacle crossing capacity of the cleaning robot is remarkably improved, and then the cleaning robot can adapt to various complex family environments; and the whole house cleaning requirement is met.
Owner:ECOVACS ROBOTICS CO LTD
Lightweight anthropomorphic robot arm with center-line decoupling principle
The application discloses a line-driven light-weight humanoid robot arm applying a center-wire decoupling principle, which comprises sequentially connected a large-arm driving module, an elbow joint transmission module, a small-arm motion decoupling module, a wrist joint module and a terminal execution module. The large-arm driving module comprises a plurality of motors, a small pulley, a synchronous belt and a large pulley shaft. The synchronous belt drives the transmission wire wound on the large pulley shaft under the driving of the motor, and the driving force is transmitted to the elbow joint transmission module. The elbow joint transmission module comprises two large-arm gear teeth, two small-arm gear teeth, a center shaft connecting rod, a second optical axis, a spacer shaft sleeve and a plurality of U-shaped groove bearings. The small-arm motion decoupling module comprises a lower half-pulley set mounting frame, a small-arm swing frame, an upper half-pulley set mounting frame, a thin-wall bearing, an axle end check ring and a plurality of reversing modules. The transmission wire is fixed on a winding end cover after being wound around a small pulley, a large pulley and a reversing module in sequence, so that the wrist joint realizes the output of two rotary degrees of freedom in a differential manner.
Owner:ZHEJIANG UNIV OF TECH
Arm swinging mechanism and massage device
The utility model discloses an arm wobble mechanism, including base plate, main shaft, worm gear, worm, drive motor, clamping subassembly, first massage plate, second massage plate and auxiliary plate, main shaft is rotatingly provided on the base plate, drive motor is provided on the base plate, the worm is provided on the shaft of drive motor, and the worm is provided on the worm gear. A worm gear is arranged on the main shaft, the worm gear and the worm are matched together, the clamping assemblies are arranged on the main shaft, the two sides of the worm gear are each provided with two sets of clamping assemblies, the two ends of the bottom plate are each provided with a guide plate, each guide plate is provided with a guide sliding groove, and sliding shafts are arranged on the clamping assemblies. The sliding shafts are in sliding fit with the guide sliding grooves, and each clamping assembly is connected with a first massage plate or a second massage plate. The utility model further discloses an arm massage device comprising the arm swinging mechanism.
Owner:WENZHOU ZHIRONG HEALTH TECH CO LTD
Massage machine core, abdomen massage machine and massage chair
ActiveCN224099649UOperating chairsDental chairsPhysical medicine and rehabilitationAbdominal massage
The utility model relates to a massage machine core, an abdomen massage machine and a massage chair. The massage machine comprises a shell, a power device and at least one group of massage mechanisms, the massage mechanism comprises a swing arm, a swing rod, a plurality of massage modules, a transmission assembly and a four-bar mechanism. The massage module is installed on the swing arm, the bottom end of the swing rod is connected to the four-rod mechanism, and the top end of the swing rod is connected to the swing arm. The power device is in transmission connection with the transmission assembly, the transmission assembly comprises one-stage or multi-stage transmission parts, the four-rod mechanism is in transmission connection with the last-stage transmission part, the four-rod mechanism drives the swing rod to swing, and the swing rod drives the swing arm to swing. The massage device simulates a manual massage manipulation, and the massage comfort is better.
Owner:ZHANGZHOU ZHENCHUANG ELECTRONIC TECHNOLOGY CO LTD
Portable felling device
The utility model discloses a portable felling device which comprises a base, a driving device, a rocker arm and a saw blade. One end of the rocker arm is a rotating end, the rocker arm is movably connected with the base through a second shaft, and the rocker arm can swing back and forth around the axis of the second shaft in the plane direction perpendicular to the axis; the other end of the rocker arm is a swing end and is movably connected with a driving device, and the driving device is mounted on the base and can drive the swing end to swing back and forth; saw teeth are arranged at the front end of the saw blade, and the rear end of the saw blade is installed at the rotating end of the rocker arm. When the driving device drives the swinging end of the rocker arm to swing back and forth, the rotating end of the rocker arm rotates back and forth so as to drive the front end of the saw blade to swing back and forth. According to the utility model, trees or bamboos are cut by driving the saw blade to swing back and forth, so that the felling efficiency can be obviously improved, the labor intensity is reduced, and the operation convenience and safety are enhanced.
Owner:青神县机械产业研究服务中心 +1
A breathing training device
ActiveCN224331112URespiratorsGymnastic exercisingPhysical medicine and rehabilitationPhysical therapy
This invention provides a breathing training device, comprising: a frame having an inner cavity and an air inlet and an air outlet respectively communicating with the inner cavity; a partition plate housed within the inner cavity to divide the inner cavity into a first cavity and a second cavity, the partition plate having a through hole communicating with the first cavity and the second cavity; a vibration assembly including a rotatable swing arm disposed within the frame and a valve disposed on the swing arm, the valve blocking the through hole when the swing arm swings to a first position and disengaging from the through hole when the swing arm swings to a second position; a magnetic assembly including a first magnet disposed on the frame and a second magnet disposed on the swing arm and magnetically attracting the first magnet; and a sensor for detecting changes in the magnetic field of the second magnet to determine breathing parameters. This invention can detect changes in the magnetic field of the second magnet through a sensor, thereby determining corresponding breathing parameters, such as respiratory rate and cumulative time, thus eliminating the need for personal recording and ensuring that patients can exercise regularly and scientifically.
Owner:HANSTAR MEDICAL TECHNOLOGY (SHENZHEN) CO LTD
Half-wheel-foot type obstacle crossing mechanism and obstacle crossing vehicle
A kind of half wheel foot type obstacle mechanism and obstacle vehicle, including main shaft and the inner wheel arm and outer wheel arm rotationally connected on main shaft, the inner wheel arm is equipped with inner half wheel and the inner half wheel drive motor for driving inner half wheel rotation, outer wheel arm is equipped with outer half wheel and the outer half wheel drive motor for driving outer half wheel rotation;Main shaft is equipped with swing arm drive motor for driving inner wheel arm swing, main shaft is also equipped with coaxial reverse mechanism for controlling inner wheel arm and outer wheel arm always reverse motion;The inner half wheel or outer half wheel is equipped with the drive parallel connection device for operating in parallel with inner half wheel and outer half wheel;Formed with the climbing angle α between the inner wheel arm and outer wheel arm for facilitating inner half wheel and outer half wheel climbing;Compared with prior art, by designing two half wheel foot type combined obstacle mechanism, so that the obstacle mechanism load capacity and acceleration ability are completely equivalent to wheel type structure, and obstacle flexibility is close to foot type structure, and can realize the obstacle work of large load under the premise of lightweight itself.
Owner:HANGZHOU EBOYLAMP ELECTRONICS CO LTD
Charging pile swing arm device and charging pile
The utility model provides a charging pile swing arm device and a charging pile, and the charging pile swing arm device comprises a base, the bottom of which is provided with an opening; a coil spring is arranged on the coil spring seat, and the end, provided with the coil spring, of the coil spring seat is embedded into the base through the opening and fixedly connected with the base in a closed mode; the first part of the main shaft is located in the base and connected with the inner end of the coil spring, the main shaft is configured to drive the coil spring to be tightened or to be driven by the restoring force of the coil spring to rotate in the second direction when rotating in the first direction, and the second part of the main shaft extends out of the base; and the swing arm is connected with the second part of the main shaft, when the swing arm swings towards the first direction, the main shaft is driven to rotate towards the first direction, or when the main shaft is driven to rotate towards the second direction by the restoring force of the coil spring, the swing arm is driven to swing towards the second direction.
Owner:苏州三米格科技有限公司
Automatic swing arm type two-wheeled vehicle garage
Owner:SHENZHEN ZHIJIANENG AUTOMATION CO LTD
A charging pile swing arm device and a charging pile
The application provides a charging pile swing arm device and a charging pile. The charging pile swing arm device comprises a base, a spring, a first end of the spring being connected with the base, a swing arm, a first end of the swing arm being connected with a second end of the spring, a connecting piece, the connecting piece being connected with a second end of the swing arm, a rotating assembly, the rotating assembly being connected with the connecting piece, the rotating assembly being configured to rotate around an axis of the connecting piece, and a knot structure for connecting a cable clamp being arranged on the rotating assembly. The charging pile swing arm device provided in the application mainly comprises a swing arm and a spring, universal swing of the swing arm is realized by using elastic force of the spring, force for swing arm swing reset is small, user experience can be improved, the structure is simple, installation is convenient, reliability is strong, the adaptation range is wide, and gun lines with different weights and charging piles with different sizes can be matched.
Owner:苏州三米格科技有限公司
Dragging arm type independent suspension and off-road motor home comprising same
The invention discloses a dragging arm type independent suspension and a cross-country motor home comprising the suspension. The problems that an existing motor home suspension system is poor in adaptability, low in reliability and insufficient in comfort under complex cross-country road conditions are solved. The suspension system mainly comprises a welding frame, a swing arm, a spiral spring, a damping shock absorber and a connecting fastener. The welding frame serves as a system base body of the whole suspension and provides supporting and connecting points for other components. One end of the swing arm is connected with the wheel hub assembly through a bearing to support a tire, and the other end is hinged to the welding frame. The spiral spring serves as a core bearing and buffering element, the upper end of the spiral spring abuts against the spring seat of the welding frame, and the lower end of the spiral spring is supported on the spring supporting seat of the swing arm. When the vehicle runs on a bumpy road surface, the swing arm swings up and down around the hinge point to drive the spiral spring to be compressed or stretched, so that impact from the ground is efficiently absorbed and relieved, and meanwhile stable support is provided for the chassis.
Owner:SHANDONG ZHONGLI AUTOMOBILE TECHNOLOGY CO LTD +1
Sanding device
The utility model relates to the technical field of plate processing, in particular to a sanding device which comprises a machine frame, a sanding belt driving piece and a sanding belt body, the sanding belt driving piece is arranged on the machine frame, movable arms are respectively arranged at two ends of one side of the machine frame in a rotating mode, driven wheels are connected on the movable arms in a rotating mode, and an output end of the sanding belt driving piece is connected with a driving wheel. The abrasive belt body is wound around the driving wheel and the two driven wheels, the rack is further provided with two swing arm driving parts, the two swing arm driving parts correspond to the two movable arms in a one-to-one mode, and the swing arm driving parts are used for driving the movable arms to swing so that the driven wheels can tension or loosen the abrasive belt body. The abrasive belt is novel in structure, the two swing arm driving pieces independently control the two movable arms, the two driven wheels are independently controlled, real-time tension balance of the abrasive belt body is achieved, and the slipping risk is reduced; furthermore, the movable arm can be flexibly driven to swing, so that the abrasive belt main body is convenient to mount and dismount; the polishing machine is suitable for multi-scene polishing of wood, composite materials and the like.
Owner:NANXING MACHINERY CO LTD
Whole-body teleoperation method for humanoid robot based on joint matching and intention recognition
The application discloses a kind of whole body teleoperation methods of humanoid robot based on joint matching and intention recognition, comprising: collecting the first attitude data of operator upper body joint and the second attitude data of lower limb joint;First attitude data is mapped to each corresponding upper body joint of robot;Based on second attitude data, motion intention is extracted by hybrid hierarchical logic, and lower limb intention instruction is obtained;Based on lower limb intention instruction, the course reinforcement learning framework based on logarithmic attenuation mechanism is used as control strategy, and the control torque of each lower limb joint of robot is generated, to realize the lower limb teleoperation control of robot.The application is applied to the field of robot control, not only can completely liberate the hands and waist of operator, so that it obtains more teleoperation degrees of freedom, but also can make robot stable in actual teleoperation, avoid instability when facing large amplitude and rapid arm swing and other violent upper body inertia disturbance.
Owner:NAT UNIV OF DEFENSE TECH