50 results about "Right upper arm" patented technology

A work vehicle comprising a pair of left and right wheels; a vehicle body frame supported at least partially by the pair of left and right wheels; and a suspension provided between the pair of left and right wheels and the vehicle body frame, the suspension being a five-linkage type rigid axle suspension including: a pair of left and right upper arms and a pair of left and right lower arms for positioning the pair of left and right wheels in the longitudinal direction of the vehicle body, a lateral rod for positioning the pair of left and right wheels in the lateral direction of the vehicle body, a pair of left and right coil springs for absorbing shocks from the road, and a pair of left and right dampers for controlling the movements of the pair of left and right coil springs. An auxiliary frame is further provided for supporting the pair of left and right wheels, an engine, and a transmission device, wherein the auxiliary frame is suspended on the vehicle body frame via the suspension.

The invention discloses a four-claw type humanoid pipe climbing robot. The four-claw type humanoid pipe climbing robot comprises four arms arranged symmetrically, an upper part trunk and a lower part trunk, wherein the upper trunk and the lower trunk connect the four arms into one; the four arms are all movable mechanical arms with mechanical claws at the tail ends, and are a left upper arm, a right upper arm, a left lower arm and a right lower arm respectively, the left upper arm and the right upper arm are connected to the left and right ends of the upper part trunk respectively, and the left lower arm and the right lower arm are connected to the left and right ends of the lower part trunk respectively; the four arms are connected to the two ends of the upper part trunk and the lower part trunk respectively through an extruding slide block and extruding spring mechanism, the lower part trunk and the upper part trunk are connected through a waist mechanism, the waist mechanism is a mechanism which is composed of an upper part driving steering engine, a first waist connecting frame, a middle driving steering engine, a second waist connecting frame and a lower part driving steering engine and can conduct multi-degree-of-freedom motion, and under the action of the waist mechanism and the motion of the four arms, the four-claw type humanoid pipe climbing robot can simulate the four arms of a person to achieve the requirement of pipe climbing of different types. The four-claw type humanoid pipe climbing robot is good in work stability and high in terrain adaptability.

A human body reidentification method based on portion segmentation is disclosed. The method comprises steps of image data acquisition, rough identification, fine identification and the like. The method has effects that modern clothes have many styles and colors, a color of sleeves is different from a color of a body portion, and colors of trousers of a thigh portion and a crus portion are different; in a monitoring camera, head information is usually subtle so that a characteristic with a large distinction degree is not easy to find, and feet are small and are not easy to collect; and based on the above condition, a human body, except for the head, is divided into 9 portions of a body, a left / right upper arm, a left / right lower arm, a left / right thigh and a left / right crus, and reidentification is performed and a high identification rate is possessed. Through rough identification, a candidate set human body whose color is close to that of a query set can be extracted, but a search scope can not be reduced. Based on the rough identification, for a body portion image, a method of projection is used to extract a pattern of the body portion and position information of the pattern so that the identification rate is further increased.

The invention proposes a front suspension deflecting structure for the backing of a tricycle. A connection frame is provided with four rocking arm installation holes which are not coaxial. The inner ends of a right upper arm and a right lower arm are provided with rolling bearings. A connection shaft installed in the interior is installed at the left side of the connection frame, and the outer ends of the right upper arm and the right lower arm are provided with rolling bearings, and the rolling bearings are respectively installed at a right upper rotating hinge and a right lower rotating hinge through connection shafts. The outer ends of a left upper arm and a left lower arm are respectively provided with rolling bearings, and the rolling bearings are respectively installed at a left upper rotating hinge and a left lower rotating hinge through connection shafts. Upper and lower hinge installation holes of steering knuckles are inclined relatively to the ground, and a front suspension is enabled to have the characteristics of an automobile master pin. The structure gives consideration to the operation stability of motion of a four-wheel automobile and the running flexibility of a two-wheel vehicle. The structure automatically tilts in a turning process, easily achieves the bending running operation, and is stable in operation in a riding process.

The invention relates to a magnet driven shadow show puppet which solves the problems that the shadow show puppet fails to move automatically and is not convenient to be controlled manually. An integral head and neck (1) is articulated with an upper torso (2) which is articulated with a left upper arm (4) and a right upper arm (5) through a hinge (3); the left upper arm and the right upper arm are articulated with a left lower arm (6) and a right lower arm (7) which are articulated with a left hand (8) and a right hand (9); the upper torso is articulated with a lower torso (10) which is articulated with a left leg (11) and a right leg (12) which are provided with a left foot (15) and a right foot (16). A hinge shaft (3) is fixedly connected with the surface of a post slide (14) inside a photo frame (23). At least any one of the upper torso (2), the lower torso (10), the left lower arm (6), the right lower arm (7), the left leg (11) and the right leg (12) is fixedly connected with a first magnetic component (17). The photo frame (23) is fixedly connected with a machine frame (18) which is at least connected with a motor (19). An output shaft of the motor (19) is fixedly connected with a pallet or a bracket (20) with which a second magnetic component (21) is eccentrically and fixedly connected. The first magnetic component is arranged on or nearby the movement trace of the second magnetic component and at least the first magnetic component or the secondary magnetic component is a permanent magnet or an electric magnet.

A clothes surface piece three-dimensional mapping method based on human body section ring data uses the section ring data to represent the human body, unfolds the location line plane of a piece of clothes open, guarantees the unfolded plane to keep the original curve characteristics from the aspects of the space distance and the space curvature, uses a warp and weft method to organize a two-dimensional clothes surface piece, matches the two-dimensional clothes surface piece with the unfolded clothes location line plane and uses a mobile least square method to achieve mapping from the two-dimensional clothes surface piece to a three-dimensional space. The three-dimensional mapping method comprises the steps of building a three-dimensional human body model, generating the human body section ring data, preprocessing the human body section ring data, using a bilinear interpolation method to generate the location line of the piece of clothes according to the human body section ring data, optimizing the location line through a median filter and a coupling filter, locating two special portions between the waist and the legs and between the trunk and the left upper arm and the right upper arm, unfolding the clothes location line to generate a warp and weft structure of the clothes surface piece, matching the two-dimensional clothes surface piece with the location line, and achieving the mapping of the clothes from the two-dimensional plane to the three-dimensional space.

In a rolling type vehicle including a pair of left and right front wheels wherein a vehicle body is capable of rolling, the spacing between left and right front wheels is maintained as a small spacing while providing an actuator for controlling the inclination angle (lean angle) of a vehicle body. The rolling type vehicle includes left and right upper arms, and lower arms for supporting the left and right front wheels on the vehicle body with a shock absorber support arm swingably supported by the vehicle body and connected to the left and right lower arms through shock absorber units. An actuator is capable of controlling the swinging of the shock absorber support arm. The actuator forms a front suspension frame body of a closed structure together with a vehicle body side frame.

The invention relates to a special wearable robot armor for teenager national defense scientific literacy education and training. The special wearable robot armor comprises a robot armor main body chest armor, a face mask, a face mask breathing opening, a left upper arm armor, a left chest light-emitting armor, an abdominal armor, a left hand armor protecting sleeve, a left leg hip bone armor protecting sleeve, a left leg armor protecting sleeve, a left foot armor protecting sleeve, a face mask left eye light-emitting visual chip, a face mask right eye light-emitting visual chip, a helmet armor, a right upper arm armor, a right chest light-emitting armor, a left and right waist protecting light-emitting armor, a right hand armor protecting sleeve, a right leg hip bone armor protecting sleeve, a right leg armor protecting sleeve and a right foot armor protecting sleeve. The special wearable robot armor has the advantages that the face mask left eye and right eye armors, the left chest and right chest armors and the left and right protecting waist light-emitting armor of the wearable robot armor are provided with wireless charging LED (light emitting diode) chips; by utilizing function displaying, the interest of a teenager on the research of military wearable robot devices is enlightened, and the patriotic enthusiasm of the teenager devoting to the science and research carrier of China military warfare robots and medical rescue robots is encouraged.

The invention discloses a three-dimensional motion tracking method of an upper half part of a human body based on a monocular video. The method comprises calculating via sift-matching characteristic points according to chest shape invariance to obtain a coordinate on an image, variable factors, a rotating Euler angle, etc. of chest joints, and obtaining rotating postures of left and right upper arms and forearms via an in-depth traverse method according to the skeleton model of the upper half part of human body. The method establishes an equation according to inverse kinematics and the coordinates and post-rotation coordinates of the matching characteristic points in a local coordinate system, and solves the equation to thus obtain the rotating Euler angle. The inventive method is simple, can accurately track the posture of the upper half part of a human body, and can be widely applied in the fields of human-machine interaction, interactive entertainment, intelligent monitoring, medical diagnosis, etc.

In rear wheel suspensions, which suspend left and right rear wheels independently, to downsize, reduce in weight and simplify a stabilizer without specifically strengthening the same. Upper and lower arms which form suspension arms in a double wishbone structure are swingably supported by a front arm supporting frame and a rear arm supporting frame provided on front and rear sides of a rear cushion. A cross portion of a stabilizer is swingably supported by the stabilizer brackets provided on a front surface of the rear arm supporting frame, and left and right ann portions extending toward the front are arranged upwardly of the left and right upper arms so as to be placed inside thereof in plan view respectively, and distal ends thereof are connected to the left and right upper arms respectively.

A work vehicle comprising a pair of left and right wheels; a vehicle body frame supported at least partially by the pair of left and right wheels; and a suspension provided between the pair of left and right wheels and the vehicle body frame, the suspension being a five-linkage type rigid axle suspension including: a pair of left and right upper arms and a pair of left and right lower arms for positioning the pair of left and right wheels in the longitudinal direction of the vehicle body, a lateral rod for positioning the pair of left and right wheels in the lateral direction of the vehicle body, a pair of left and right coil springs for absorbing shocks from the road, and a pair of left and right dampers for controlling the movements of the pair of left and right coil springs. An auxiliary frame is further provided for supporting the pair of left and right wheels, an engine, and a transmission device, wherein the auxiliary frame is suspended on the vehicle body frame via the suspension.

The invention mainly relates to the field of pressure testing, and provides a dummy for testing the pressure comfort of an office chair. The head, the chest, the back, the left upper arm, the right upper arm, the left front arm, the right front arm, the left hand, the right hand, the buttocks, the left thigh, the right thigh, the left shank, the right shank, the left foot and the right foot are designed according to the human body size of the 50th percentage Chinese adult male, and the mass and centroid positions of all body sections are configured according to standard adult human body inertia parameters. Meanwhile, 22 pressure sensors are mounted on the sides, in contact with the office chair seat surface, of the buttocks, the left thigh and the right thigh; the pressure sensor is used for collecting pressure signals of the contact side of a dummy and an office chair seat. The comfort of the office chair is analyzed according to the pressure signal, the structure is designed according to Chinese standard human body data, and the pressure distribution condition of a real person sitting on the seat surface of the chair can be accurately simulated, so that the pressure comfort of the office chair is accurately evaluated, a large number of real persons are replaced for testing, and the testing time and labor cost are saved.

The invention provides a gas tank comprising a tank body, a lifting device and a shifter; the lifting device comprises a lantern ring, a telescopic component and a bottom ring, and the lantern ring is sheathed and fixed to the tank body; the telescopic component comprises a left upper arm, a left lower arm, a right upper arm and a right lower arm which are arranged in a diamond shape, and the upper end of the left upper arm and the upper end of the right upper arm are hinged with the bottom surface of the lantern ring through upper mounting bases; the lower end of the left lower arm and the lower end of the right lower arm are hinged with the top surface of the bottom ring through lower mounting bases; the lower end of the left upper arm and the upper end of the left lower arm as well as the lower end of the right upper arm and the right lower arm are hinged through sleeve shafts; the two sleeve shafts are jointly in treaded connection with a screw rod; the screw rod is used for driving the two sleeve shafts to move backward or oppositely; the tank body is fixedly provided with support legs at the inner side of the bottom ring, and the bottom ring is driven by the telescopic component to rise and fall between the higher position relative to the support legs and the lower position relative to the support legs; and the shifter comprises a plurality of casters installed on the bottom ring. According to the gas tank defined by the invention, through rise and fall of the casters, the purpose of switching in the static and moving state is achieved.

The invention provides an equipment control method and a device based on a human body posture image, and belongs to the technical field of image processing. The method comprises the following steps: acquiring a posture image of an operator; processing the posture image to obtain skeleton endpoint coordinates of the operator, wherein the skeleton endpoints comprise a trunk upper endpoint, a trunk lower endpoint, a left upper arm lower endpoint, a left lower arm lower endpoint, a right upper arm lower endpoint, a right lower arm lower endpoint, a left leg lower endpoint and a right leg lower endpoint; calculating limb association angles according to the skeleton endpoint coordinates of the operator, wherein the limb association angles comprise an angle between a left upper arm and a body, anangle between the left upper arm and a left lower arm, an angle between the right upper arm and the body, an angle between the right upper arm and a right lower arm, an angle between a left leg and the body and an angle between a right leg and the body; and according to a predetermined rule, converting each limb association angle into a control command, and controlling the controlled equipment according to the control command. Compared with the prior art, the method improves the recognition efficiency of the control command.

A front suspension structure of a vehicle where an appropriate locus of a front wheel when going over undulating ground, an arm span, and an arm length can be be secured. Left and right first arms are rotatable about a rotation axis extending forward and obliquely toward a center in a left-right direction in a plan view and passing through two proximal parts. A frame front section has left and right front coupling parts to which proximal parts of front rods of left and right upper arms are coupled respectively. A distance between the left and right front coupling parts is smaller than a width in a left-right direction of a housing of a differential gear.

A recreational off-highway vehicle ROV includes a first connection subframe connected to a first rear subframe and a main frame, and an arm connector disposed rightward of a left upper arm and leftward of a right upper arm and supporting the right and left upper arms. A distance between first and second upper connections connecting the first rear subframe and the first connection subframe is longer than a distance between first and second lower connections connecting the main frame and the first connection subframe. A first upper end portion of a left shock absorber and a second upper end portion of a right shock absorber are disposed between the first and second upper connections in a rear view of the vehicle.

The invention relates to an exercise machine, in particular a human-shaped passive exercise machine, which is characterized in that the human-shaped passive exercise machine comprises a human-shaped body which comprises the following parts: a head part, an upper body, a left upper arm, a left lower arm, a left hand, a right upper arm, a right lower arm, a right hand, a left thigh, a left leg, a left foot, a right thigh, a right leg and a right foot; and all the parts are movably connected. The human-shaped body is a humanoid robot. The human-shaped passive exercise machine of the invention can drive a person who is lying thereon to do the motions of lying, side lying, sitting, bending waist, erecting, shaking head, stretching hand, lifting leg and so on, which can also be shaken and swung forward, backward, leftward and rightward. The human-shaped passive exercise machine can also be used by a healthy person, thus having the effects of relaxing muscles and tendons, activating the tendons of the body, restoring vitality and energy, strengthening health and playing the role of health care.

The invention provides a scalp clip. The scalp clip comprises a base and a pressing piece. The base comprises a left fixing portion, a left fixing gap, a clamping plate portion and a right fixing portion. A left through hole is formed in the left fixing portion, and a right through hole is formed in the right fixing portion. A sliding groove hole is formed in the clamping plate portion. The bottomof the sliding groove hole is higher than the left through hole. A left protrusion is arranged on the inner wall of the left through hole, and a right protrusion is arranged on the inner wall of theright through hole. The pressing piece comprises a left pressing end, a clamping end, a sliding portion and a right pressing end. The left pressing end is located in the left through hole. The slidingportion is located in the sliding groove hole. The right pressing end is located in the right through hole. The clamping end is located on the left side of the clamping plate portion. Left sawteeth are arranged on the outer wall of the left pressing end. Right sawteeth are arranged on the outer wall of the right pressing end. The left pressing end comprises a left upper arm and a left lower arm.The right pressing end comprises a right upper arm and a right lower arm. The scalp clip has the advantages that clamping force is changed through adjustment of the distance between the clamping end and the clamping plate portion, so that scalp injuries are avoided, and the scalp clip can be taken down or fastened conveniently even if the scalp swells.

The invention provides a working method for a medical care system. The method comprises the steps that S1, an air compressor is started up, a gas tank of the air compressor is inflated, and after the gas tank of the air compressor is filled with air, a control switch of the gas tank is switched on; S2, a left upper arm support air bag, a right upper arm support air bag, a left forearm support air bag and a right forearm support arm are inflated at the same time; S3, in a static supine position state, the right forearm supports the inflatable height of the air bags; S4, after all air bags are inflated, fluctuation control is conducted, and the inflatable height of a large middle air bag is higher than that of a left lower leg support air bag and a right lower leg support air bag; S5, fluctuation control is completed, sideways control is conducted, firstly a left back support air bag, a left upper leg support air bag and a left lower leg support air bag are deflated, body movement is achieved through cooperation among the air bags, through effective fluctuation and alternation work among the air bags, it is guaranteed that the human body has sufficient movement, and main and collateral channels are unblocked.

The invention discloses a foldable clothes hanger, which belongs to the technical field of daily necessities, and mainly solves the problem that most of the current clothes hangers are fixed structures, occupy a large space, and are not conducive to transportation or storage. The hook is arranged at the middle top position of the hanging arm, The hook is hinged with the hanging arm through a pivot. The left side of the hook is the left hanging arm, and the right side of the hook is the right hanging arm. There is a rotating shaft in the middle of the left hanging arm and the right hanging arm. The middle position is rotationally connected by a rotating shaft. During the use of the present invention, the hanging arm can rotate 360° through the pivot to realize all-round drying. The clothes hanger can rotate flexibly, and the rotating shaft is set. When the clothes hanger is not in use, the top of the hanger can be folded to reduce storage space, which is convenient for storage, easy to carry, and economical. Be applicable.

The invention discloses a double-round steel billet hanger, belonging to the field of hangers for hanging steel billets in the metallurgic industry. The double-round steel billet hanger comprises a roller, a roller connection frame, a first hinge, an expansion device, a right upper arm, a right hinge, a right lower arm, a left lower arm, a left hinge and a left upper arm; the double-round steel billet hanger further comprises a middle caliper, a second hinge and a third hinge; the front end of the right lower arm is provided with a left caliper; the front end of the left lower arm is provided with a right caliper; circular arc grooves sunken to two edges are respectively arranged at the inner sides of the right caliper and the left caliper; the middle caliper is located at a crossed position of the right lower arm and the left lower arm; the middle caliper is heart-shaped; the third hinge and the second hinge are respectively located at the left side and the right side of the middle upper portion of the middle caliper; the middle section portion of the right lower arm is connected with the middle caliper through the third hinge; the middle section portion of the left lower arm is connected with the middle caliper through the second hinge. The double-round steel billet hanger can hang two round steel billets at the same time, so that the carrying efficiency is high; and the double-round steel billet has the advantages of convenience in use, high efficiency, reasonable design, easy manufacture and economy of materials.

The invention discloses a mounting fixture of a cement roadbed guardrail. The mounting fixture consists of a lifting head, upper arms, lower arms, a limiting plate and an oil cylinder, wherein the left and right sides of the lower end of the lifting head are respectively pivoted to the upper ends of the left and right upper arms; the lower ends of the left and right upper arms are respectively pivoted with the upper ends of the left and right lower arms; the middle positions of the left and right lower arms are pivoted; the lower ends of the left and right lower arms are oppositely bent to form a clamping part; the middle of the lower end of the lifting head and the middles of the left and right lower arms are respectively connected to the two ends of the limiting plate; one end of the limiting plate is fixedly connected, and the other end is slidingly connected; and the oil cylinder for lifting the left and right lower arms is additionally connected between the lifting head and the left and right lower arms. The mounting fixture is suitable for being mounted on such engineering vehicles as a forklift, an excavator and a shovel car, and can add an auxiliary transportation function for such engineering vehicles as the forklift, the excavator and the shovel car, so that the mounting construction operation of the cement roadbed guardrail is more convenient and easier; and the mounting fixture also can be suitable for carrying other large objects.

The invention discloses a method and a device for recognizing a throwing action based on a single attitude sensor. The method comprises the following steps of establishing a reference coordinate system relative to the right, the front and the lower part of a thrower, wherein a right upper arm vector is a unit vector pointing to the right elbow from the right shoulder, reference vectors (formula) respectively represent the lower part, the front and the right of the thrower, an inclined angle between the right upper arm vector and (formula) is theta, and an inclined angle between projection of the right upper arm vector on a plane formed by (formula) and (formula) and (formula) is phi; dividing the right half space of the reference coordinate system into a plurality of attitude areas and mapping a measured throwing area in the reference area; comparing the measured reference area, a time sequence and a predetermined throwing order, if the measured reference area, the time sequence and the predetermined throwing order are the same, judging a throwing action, otherwise, judging a non-throwing action. According to the method and the device, through configuring the single sensor, and collecting the attitude information and analyzing the attitude information in real time, the throwing attitude of a single pawn is recognized under the virtual training scene, the judgment accuracy rate is more than 98%, and the method and the device are easily popularized and applied in all kinds of immersed virtual training systems.

The invention discloses a xylophone playing robot with a humanoid structure. The xylophone playing robot is used for simulating movements of joint parts of a human so as to play a xylophone musical instrument; the playing robot consists of a robot body and a controller, wherein the robot body comprises a base, a body, a left shoulder part, a right shoulder part, a left upper arm, a right upper arm, a left lower arm, a right lower arm, a left hand, a right hand, a left drumstick, a right drumstick, a left elbow servo steering engine, a left shoulder servo steering engine, a body servo steeringengine, a right elbow steering engine and a right shoulder servo steering engine; and the controller comprises a main control unit, a power supply module, a data communication interface module, a storage module, a display module, an interaction module and a steering engine driving module. When the xylophone playing robot is used, a musical notation is translated into a playing control file which comprises a compound control instruction sequence for directly controlling movements of the servo steering engines; the controller sends a compound control instruction signal to the steering engine driving module, so that the servo driving module can control the corresponding steering engines to rotate and strikes on the xylophone musical instrument can be formed. The playing robot can play the xylophone musical instrument and has art, teaching and entertainment application prospects.

The invention relates to an inverse tricycle composite multi-connecting rod damping mechanism, comprising a connecting rack, which is characterized in that the connecting rack is hinged to an upper arm, a left lower arm, a right upper arm, and a right lower arm, wherein a left connecting rod assembly is connected between the free end of the left upper arm and the left lower arm; a right connectingrod assembly is connected between the free end of the right upper arm and the right lower arm; the two sides of the connecting rack are provided with a first connecting rod mechanism and a second connecting rod mechanism, which are correspondingly guided to the left connecting rod assembly and the right connecting rod assembly by the left lower arm and the right lower arm, and are hinged to eachother. The first connecting rod mechanism and the second connecting rod mechanism are in mirror symmetry along the vertical bisector of the connecting rack, and a damping spring is hinged between a pair of connecting rods in upper mirror symmetry. The invention is advantageous in that with the use of the connecting rod mechanism, the relation between the jumping amount of the vehicle and the compressing amount of the damping spring during the driving process is converted from a linear relation into a non-linear relation; damping performance is enhanced; the vehicle can be adapted to various road conditions, and the vibration during the vehicle driving can be reduced.

The invention discloses an upper limb shoulder exoskeleton based on a screw transmission structure. The upper limb shoulder exoskeleton comprises a left hand effect machine, a cable and a left upper arm force sensor, and has the beneficial effects that a steel wire, a left shoulder joint driver and a right shoulder joint driver are arranged to supply power, so that the condition that exoskeletonsof shoulders or elbows cannot be jointed to users, is avoided, the structure thickness is reduced, the movement deflection inertia is reduced, force following and assistance amplification can be wellrealized by the device, and the movement properties of the exoskeletons can be guaranteed. A locking nut, a radian hollow slot, a left shoulder tabula, a right shoulder tabula and a base are arranged,so that the width of the device can be adjusted according to the width of the shoulders of a wearer, the size of the users is reduced, and the wearers can be guaranteed to operate in a narrow space.A left upper arm steel member, a right upper arm steel member, a left steel wire steering structural member and a right steel wire steering structural member are arranged, so that the device has two driving freedom degrees, shoulder joints can extend outwards and contract inwards, and the flexibility of the device is greatly improved.

The invention belongs to the technical field of small-sized antennas and relates to a small-sized flat trapezoidal-arm ultra-wideband antenna. The antenna comprises a slotted ground electrode which is located at the back of the antenna; an antenna radiation pole, a feeder line and a resonance sheet are arranged on the front face of the antenna; the antenna radiation pole comprises three arms, namely a left arm, a right arm and a right upper arm, wherein the left arm is of a trapezoidal structure, and trapezoid angles are 45 degrees; and the resonance sheet is located between the left arm and the feeder line, and the right arm is vertical to the upper arm and is located at the right side of the feeder line. The antenna provided by the invention has the advantages of smaller size, wider frequency band and higher unidirectional gain.