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30 results about "Articulation points" patented technology
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Z-shaped hinge point of sales system
PendingCN121586824ADigital data processing detailsCash registersMechanical engineeringArticulation points
A point of sale (POS) device includes a stand and a monitor. The bracket includes a base and a bracket pivotably connected to the base. The bracket includes a hook portion and a fastener hole. The monitor is configured to rest on the hook. The monitor includes another fastener hole configured to align with the fastener hole of the bracket when the monitor rests on the hook.
Owner:ELO TOUCH SOLUTIONS INC(US)
A freely turning articulated hinge dragon
The present application relates to a kind of free steering articulated dragon, it includes support frame, articulated dragon body, support frame includes base, it is equipped with universal wheel, base has first articulation point and second articulation point, articulated dragon body has third articulation point and fourth articulation point, wherein, first articulation point is articulated with third articulation point, second articulation point is articulated with fourth articulation point by lifting platform, and the distance of first articulation point to fourth articulation point and the distance of second articulation point to fourth articulation point are equal, lifting platform has fifth articulation point, base is also equipped with hydraulic cylinder, the piston rod of hydraulic cylinder is articulated with fifth articulation point, piston rod is equipped with mark plate, mark plate is marked with angle scale, lifting platform is located in the side of mark plate.The articulated dragon of the technical scheme can be moved and angle adjustment under the premise of ensuring, realize the accurate adjustment of angle, and ensure that the adjustment process is easy and labor-saving, simultaneously make installation and subsequent operation efficiency can be significantly improved.
Owner:ZHEJIANG ZHENGHAO INTELLIGENT MFG CO LTD
Adjustable copper wiring terminal
ActiveCN223743913UCoupling device detailsMulticonductor cable end piecesCopper-wiringMechanical engineering
The utility model discloses an adjustable copper wiring terminal which comprises a conductive member and a wiring member, the wiring member is provided with a first connecting part, the conductive member is provided with two second connecting parts and abuts against two ends of the first connecting part, two ends of the first connecting part are provided with first springs and abut against the second connecting parts, and the second connecting parts are provided with second springs. The first connecting part is hinged to the second connecting part, a plurality of fixing grooves at equal intervals are evenly distributed in the two ends of the first connecting part with the hinge point as the axis, a fixing block capable of ascending and descending is arranged at one end of the second connecting part, and a second spring is arranged in the second connecting part. According to the utility model, only the wiring piece needs to be pushed to form an included angle between the first connecting part and the second connecting part, the outgoing position of the wire is adjusted, the wire is prevented from being in a bent state for a long time, and the product has the advantages of adjustable bending angle, prolonged service life of the wire, locking function and the like by embedding the first spring and the fixing block into the fixing groove and locking the bending angle.
Owner:YUEQING SHANGJIA ELECTRIC POWER TECH
Finger joint point spatial position estimation method and device and head-mounted display equipment
PendingCN121213646AInput/output for user-computer interactionImage enhancementComputer graphics (images)Radiology
The invention discloses a finger joint point spatial position estimation method, a finger joint point spatial position estimation device and head-mounted display equipment. The method comprises the following steps: performing hand recognition on an image acquired by a depth camera through a palm region detection model, and if the image has a hand region, marking the hand region from the image to obtain a hand region image; correcting the hand region image to obtain a distortionless hand region image; identifying the pixel coordinates of the articulation points in the distortionless hand region image and the relative distance of each articulation point through an articulation point detection model; and according to the pixel coordinates of the joint points and the relative distance, calculating through a preset objective function to obtain the absolute distance of the joint points. According to the invention, the calculation amount in the 3D hand joint point estimation process can be reduced, and the technical effects of meeting the high real-time requirement in AR / VR application are achieved.
Owner:HANGZHOU QIUGUOJIHUA TECHNOLOGY CO LTD
A method, system, and storage medium for interpolating and connecting S-shaped velocity curves.
ActiveCN121900314BAchieve accurate interpolation compensationEliminate speed fluctuationsNumerical controlTime domainClassical mechanics
This invention relates to the field of CNC machining and motion control technology, specifically to a method, system, and storage medium for interpolation connection processing of S-shaped speed curves. This method addresses the speed fluctuations and uneven machining marks caused by the asynchronous connection points between segments and the interpolation cycle in existing global S-shaped speed planning by proposing a reverse extension compensation mechanism. The steps include: when entering a new curve segment for interpolation, if there is residual motion and the motion stage is continuous, the current motion stage is extended backward by one interpolation cycle in the time domain; by solving the displacement equation, the historical time point corresponding to the residual motion in the current stage is accurately calculated; and the system's time state is corrected accordingly, thereby achieving smooth and accurate connection between segments. This invention effectively eliminates the deviation between interpolation commands and speed planning, solves the speed fluctuation problem caused by toolpath deflection, makes the tool marks more uniform, and improves machining quality.
Owner:SUZHOU MOU XUN INTELLIGENT TECH CO LTD
Cross-path segment interpolation method, system and device based on time domain extension and medium
The invention relates to the technical field of numerical control machining and motion control, in particular to a cross-path-segment interpolation method, system and device based on time domain expansion and a medium. The current effective stage of a speed curve is reversely prolonged by an interpolation period, and backtracking calculation is carried out based on the interpolation residual period and the residual motion amount; the time point corresponding to the residual motion amount in the current stage is accurately calculated, smooth transition of intersegment connection points is achieved, the actual step is made to be consistent with the speed plan by further establishing a motion amount balance equation, and particularly accurate matching is achieved at the connection points. According to the method, on the premise that the method is not limited to a constant-speed section, multi-section path accurate interpolation of a cross-path section is achieved, the actual movement track is highly consistent with the speed planning height, microcosmic speed fluctuation caused by discontinuous transition between the sections is eliminated, the tool path is smoother, and therefore more uniform tool patterns are obtained on the machined surface, and the machining precision is improved. And the surface smoothness of the workpiece is obviously improved.
Owner:SUZHOU MOU XUN INTELLIGENT TECH CO LTD
A tensegrity driven robot
The application provides a kind of tension integral driving robot, belongs to robot technical field;Including carrying module, carrying module at least installs a pair of tension structure, each tension structure is connected with foot, each pair of tension structure has a common articulation point on carrying module, tension structure includes pressure piece and tension piece, pressure piece includes the first pressure piece and the second pressure piece that intersect to present X shape, the both ends of first pressure piece are first articulation point and fourth articulation point respectively, the both ends of second pressure piece are second articulation point and third articulation point respectively;First articulation point and third articulation point, third articulation point and fourth articulation point and fourth articulation point and second articulation point are all connected with tension piece;Friction force that foot is subjected to in different directions is different when advancing;The application controls the distance between feet, utilizes the front and rear different direction friction force formed by foot and ground to advance, and can realize multiple gaits, simple structure, light quality, good impact resistance and high material utilization.
Owner:UNIV OF SCI & TECH BEIJING
A method for calculating dynamic stability limit of a tractor with folded and twisted waist
This invention proposes a method for calculating the dynamic stability limit of articulated tractors under cross slope conditions, aiming to accurately assess the lateral stability of articulated tractors under complex terrain and dynamic operating conditions. This method first obtains parameters such as the tractor's geometry, mass, and dynamic acceleration; then, a spatial attitude model is established based on the rear body, transforming the articulation and torsional axes in the local coordinate system of the rear body to the global space, and causing the front body to move relative to the spatial articulation and torsional axes; the spatial coordinates of the four wheel points, articulation points, and centers of mass are calculated, constructing a four-wheel horizontal projection support quadrilateral, and obtaining the dynamic equivalent projection points based on longitudinal and lateral accelerations; by determining the positional relationship of the projection points relative to the left and right rollover boundaries, the critical stability angle of the cross slope is determined. This invention can be used to assess the lateral rollover risk of articulated tractors under different articulation, torsional, terrain undulation, and acceleration / deceleration conditions.
Owner:CHINA AGRI UNIV
Multifunctional acetylene cylinder anti-toppling device
The utility model discloses a multifunctional acetylene cylinder anti-toppling device, relates to the technical field of anti-toppling, and aims to solve the problems that after a cylinder body is placed, chain locking action needs to be additionally executed, and if operation omission occurs, fixing failure is possibly caused, and toppling accidents are caused. A protruding block is arranged on the inner wall of the supporting rod, a limiting plate is hinged to the protruding block, the limiting plate is an arc-shaped piece, and the limiting plate is connected with the connecting piece through a fixing mechanism. When a bottle body is placed on the placing plate, the dead weight of the bottle body pushes the inner wall of the limiting plate, the limiting plate is forced to rotate around the hinge point of the convex block, the sliding piece is synchronously driven to slide along the connecting piece, when the sliding piece moves to the position below the clamping piece, the clamping pin is squeezed by the top face of the connecting piece and then retracts into the sliding groove, and after the sliding piece reaches the position of the threaded hole, the spring instantly releases elastic force. The isosceles trapezoid clamping pin is accurately jacked into the threaded hole, the bottle body is instantly locked, and secondary operation of workers is not needed in the whole process.
Owner:XINXIANG SAFETY CYLINDER CO LTD
Suspension system for vehicle and vehicle
PendingCN121989607Areasonable arrangementFlexible configurationResilient suspensionsPivoted suspension armsVehicle frameControl arm
The invention discloses a suspension system for a vehicle and the vehicle, and the suspension system comprises a wheel frame which is assembled to a wheel; the toe-in connecting rod is hinged to the wheel frame through a first hinge point and is hinged to the frame, the auxiliary frame or the steering engine through a second hinge point; one end of the integral connecting rod is hinged to the wheel frame; the lower swing arm is hinged to the wheel frame through a third hinge point, is hinged to the frame or the auxiliary frame through a fourth hinge point and a fifth hinge point and is hinged to the other end of the integral connecting rod; and a spring and damper supported and connected to the vehicle body by a toe-in link near and rearward of the lower swing arm on a first virtual straight line passing through the first hinge point and the second hinge point, the fourth hinge point being closer to the toe-in link than the fifth hinge point, and the fifth hinge point being closer to the toe-in link than the fifth hinge point. The distance between the first hinge point and the second hinge point is larger than the distance between the third hinge point and the fourth hinge point. The present application is particularly applicable to electric or hybrid vehicles having an ERAD and a rear wheel steering engine.
Owner:VOLVO CAR CORP
Flap fitting, and piece of furniture comprising a flap fitting
PCT designated stageWO2026131959A1Building braking devicesPin hingesClassical mechanicsMechanical engineering
Owner:HETTICH ONI
Pressing device for vibration operation workpiece
ActiveCN223889737UGrinding feed controlGrinding work supportsMechanical engineeringArticulation points
The utility model relates to the technical field of vibration machining, in particular to a pressing device for a vibration operation workpiece, which comprises a driving mechanism, a pressing arm and a pressing beam part, the driving mechanism is erected and fixed above the working table, one end of the pressing arm is hinged to the rear end of the driving mechanism, the other end of the pressing arm is hinged to the driving end of the driving mechanism, and the other end of the pressing arm is further hinged to the beam pressing part; the driving mechanism drives the pressing arm to swing up and down by taking the rear-end hinge point as a fulcrum; when the pressing arm swings downwards, the pressing beam part applies pressure to the vibration operation workpiece; the driving mechanism is provided with an adjusting assembly, the driving mechanism is electrically connected with the pressing height detection system, and the driving mechanism adjusts the adjusting assembly according to the detection result of the pressing height detection system to control the downward swing stroke of the pressing arm. The problems that an existing pressing beam is low in working efficiency and prone to loosening due to vibration force are solved.
Owner:VEEGOO TECH CO LTD
Stepless amplitude-variable reciprocating driving mechanism and design method thereof, fascia gun
The present application relates to fascia gun technical field, disclose a kind of stepless amplitude reciprocating drive mechanism and its design method, fascia gun, to solve the problem of low efficiency existing in prior art design method, stepless amplitude reciprocating drive mechanism includes the slider-crank mechanism by eccentric wheel, output rod, connecting rod and slider are sequentially articulated and adjustment rod, the swing end of adjustment rod is articulated on output rod, the position of the adjustment end of adjustment rod is adjustable, and after adjustment, the swing range of second articulation point is limited, method includes: determining the first distance between first articulation point and second articulation point, the second distance between second articulation point and third articulation point, the third distance between third articulation point and fourth articulation point and the functional relationship between the position of fifth articulation point and slider amplitude, and the design of stepless amplitude reciprocating drive mechanism is carried out based on functional relationship.The present application improves the design efficiency and accuracy of stepless amplitude reciprocating drive mechanism, and is suitable for fascia gun product.
Owner:SICHUAN QIANLI BEOKA MEDICAL TECHNOLOGY INC
Cleaning device
The utility model relates to the technical field of household appliances, and discloses a cleaning device which comprises a main machine, a cleaning device and a control device. The adapter assembly comprises an adapter main body, the adapter main body is hinged to the upper shell, and the hinged point of the adapter main body and the upper shell is close to or located at the gravity center of the host; the handle assembly is detachably connected with the main machine and comprises a main body structure, the main body structure is provided with a mounting sleeve, when the handle assembly is connected to the main machine, the adapter assembly is arranged in the mounting sleeve, and when the handle assembly leaves the main machine, the mounting sleeve is suitable for fixing the first end of the connecting rod, and the adapter assembly is suitable for fixing the second end of the connecting rod; the connecting rod is a fixed rod or a telescopic rod. As the hinge point of the adapter main body and the upper shell is close to or located at the gravity center of the host, the front end of the host can be prevented from being warped when a user presses the handle assembly downwards after the connecting rod is installed.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI
Central venous pressure measuring device
The utility model discloses a central venous pressure measuring device which comprises a measuring scale, scale marks and a fixing groove penetrating up and down are arranged on one end face of the measuring scale, a pressure measuring tube is arranged in the fixing groove, a three-way valve is arranged at the bottom end of the pressure measuring tube, an annular buckle is arranged on one side of the base, and the measuring scale is arranged on the other side of the base. The upper end of the measuring scale is hinged to the base, the lower end of the base is provided with a swing groove with the hinge point of the upper end as the circle center, the lower end of the measuring scale is provided with a screw, the screw is inserted into the swing groove in a swing mode, the screw is further in threaded connection with a nut blocking the outer side of the base, and the measuring scale and the base can be locked by screwing the nut; the upper end of the measuring scale is hinged to the base, and the swing groove in the lower end of the measuring scale takes the hinge point of the upper end as the circle center, so that the measuring scale can adaptively swing under the action of gravity when the nut is loosened, the measuring scale can be kept in a vertical state no matter whether an infusion rod used for fixing the device is in a vertical state or not, and the accuracy of a measured value is further ensured.
Owner:THE 923RD HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE
Joint point detection dynamic model algorithm for racing boat
The invention relates to the technical field of motion detection, and discloses a joint point detection dynamic model algorithm oriented to boat racing motion. According to the algorithm, firstly, a racing boat motion video is collected to generate a multi-view motion frame, and joint point candidate areas of a key motion stage are determined through processing of a spatial-temporal feature fusion algorithm; performing feature enhancement on the candidate region to generate a high-dimensional motion feature map, and marking a potential joint point dynamic trajectory in combination with an attention mechanism and dynamic time warping; detecting a region of interest based on the generated joint points; analyzing the gradient change of the motion vector of the region, and evaluating whether the spatial displacement fluctuation of the articulation point accords with the motion law or not; analyzing the relevance between skeleton and muscle movement in the region, and evaluating whether the collaborative coupling strength is in a normal range; and judging whether model parameter calibration processing needs to be carried out in real time or not according to the evaluation result. The algorithm can accurately capture the dynamic change of the joint, identify the abnormal motion, and improve the adaptability and accuracy of detection.
Owner:WUHAN SPORTS UNIV
Seat plate folding assembly and seat
The utility model discloses a seat board folding assembly and a seat. The seat board folding assembly comprises a first fixed base, a second fixed base and a seat board, the second fixing base is used for fixing the seat plate; the first connecting rod is hinged to the first fixed base and the second fixed base; the second connecting rod is hinged to the first fixed base and the second fixed base; the distance between the axis of the third hinge point and the axis of the fourth hinge point is A, the distance between the axis of the first hinge point and the axis of the second hinge point is B, and the distance between the axis of the second hinge point and the axis of the fourth hinge point is D; wherein A > B > D. By the adoption of the structure, when the seat plate is driven by the second fixing base to turn over, the seat plate is turned over forwards and upwards for people to sit on or turned over backwards and downwards to be folded, a user does not need to reserve a turning space in advance in the process, the user can sit down and fold the seat plate in the turning direction of the seat plate, the overall structure is simple, and the occupied size is small.
Owner:FOSHAN AOSHUJIAN METAL PROD CO LTD
Supporting assembly for high-lift body, high-lift body device, wing and aircraft
The invention relates to a supporting assembly of a high-lift body, a high-lift body device, a wing and an aircraft. The invention relates to a support assembly (10) for a high lift body (8), in particular a leading edge slat, configured to be mounted to a spar (6) of a wing (3) of an aircraft (1), the support assembly (10) comprising at least two articulation mechanisms (30) each providing at least one articulation point (G) configured for articulating the high lift body (8) at the spar (6), the hinge mechanism (30) comprises a high-lift body (10) for enabling movement of the high-lift body between a stowed position (S) and a deployed position (T) along a movement path (E) extending within a deployment plane (P) extending transversely with respect to a mounting plane (H) provided by the spar (6) and comprising a translational component (I, J, L).
Owner:AIRBUS OPERATIONS GMBH
A precision distance dividing device for a bottle blowing machine
The utility model provides a kind of accurate distance device for bottle blowing machine, including work platform, movable assembly and distance component, movable assembly includes the movable support that can reciprocate under the drive of power unit, distance component includes the hinge mechanism that can reciprocate under the drive of drive unit, hinge mechanism's middle articulation point is provided with distance plate, and the end of distance plate is provided with positioning gap, the upper end of movable support is provided with two limit guide rails with hinge mechanism as symmetry center and symmetrically set before and after, and the front and rear ends of distance plate are slidably connected with limit guide rail through limit slide seat, and the lower end of one side articulation point of hinge mechanism is provided with trajectory guide column, and the upper end of movable support is provided with trajectory guide hole matched with the predetermined trajectory of trajectory guide column.Limit slide seat cooperates with limit guide rail, trajectory guide column and trajectory guide hole cooperate with each other, and the expansion of hinge mechanism can be limited and guided, so that the stability of bottle blank conveying process is improved.
Owner:TAIZHOU FUPS PRECISION MASCH CO LTD
Vehicle seat and method for assembling a vehicle seat
ActiveUS12617320B2Movable seatsDismountable/non-dismountable seatsControl theoryMechanical engineering
A vehicle seat may have a seat part which can be moved from a usage position into a non-usage position, a seat back, a base, and a seat kinematics connecting the seat part pivotably to the base. The seat kinematics may have a rocker which by a first rotary joint is deflected pivotably on an adapter connected to the base and by a second rotary joint is deflected pivotably on the seat part. A spacing between the base and the seat part can be changed by selection of a first articulation point for articulation of the first pivot joint on the adapter fixedly connected to the base, and / or by selection of a second articulation point for articulation of the second pivot joint on the seat part. A method for assembling such a vehicle seat is also provided.
Owner:ADIENT US LLC
Automatic additive adding device
The utility model relates to the technical field of additive feeding devices, and provides an automatic additive adding device which comprises a support, a charging barrel, a locking piece and a floating ball, the support is used for being arranged in a container, the bottom of the charging barrel is hinged to the support, the hinge point is eccentric to the central axis of the charging barrel, the charging barrel is used for filling additives, and the floating ball is arranged in the charging barrel. The locking piece is arranged on the support in a swinging or sliding mode and used for preventing the charging barrel from toppling downwards, and the floating ball is connected with the locking piece through a linkage mechanism and used for floating on the liquid level of liquid in the container; and the locking piece can be driven by the floating ball to float along with the change of the liquid level so as to relieve the blocking of the charging barrel, so that the charging barrel is dumped and the additive is released. By means of the technical scheme, the technical problem that it is difficult to manually guarantee that additives are put in time when liquid reaches the specific treatment stage where the liquid level changes in the prior art is solved.
Owner:CANGZHOU YIHENG MACHINERY TECHNOLOGY CO LTD
Sign language recognition using parameter keypoints
A system captures image data that includes a person executing a sign of a sign language. Keypoints are extracted from the image data. The keypoints include locations on a hand of the person, an arm of the person, a trunk of the person and a face of the person. The keypoints are provided to a parameter analyzer for detecting characteristics of the sign. The characteristics of the sign includes a handshape, a palm orientation, an articulation point and a movement. A description of the sign is generated from an output of the parameter analyzer. The description of the sign is filtered and aggregated, thereby creating a condensed description of the sign. A database of known signs is queried with the condensed description using a dynamic time warping algorithm. A word is retrieved from the database that is associated with the sign.
Owner:LENOVO (SINGAPORE) PTE LTD
Abnormal gait judgment method and system based on multi-feature fusion
The invention relates to an abnormal gait judgment method and system based on multi-feature fusion, and belongs to the technical field of electronic information. According to the method, a 3D skeleton sequence is acquired by means of a depth camera such as Kinect, weights are set for articulation points based on the change degree of Z-axis coordinates of the articulation points, weighted sum data of all the articulation points are calculated for each frame, gait cycles are divided based on the weighted sum data, and feature vectors are spliced according to the divided gait cycles to obtain a feature matrix used for model input. Compared with a traditional method, the method has the advantages that data collection does not depend on wearable equipment, collection is more convenient, meanwhile, model recognition is more accurate, the early diagnosis precision of the Parkinson's disease is expected to be improved, technical support is provided for early diagnosis and treatment of the disease, and application of the gait recognition technology in the medical field is promoted.
Owner:HENAN UNIV OF SCI & TECH
A method for constructing a segmented general potential slip surface model
The present application relates to a kind of construction method of segmented general potential sliding surface model, belong to traffic side slope engineering field.The present application is by considering the difference of stress state of each part of side slope and leading to the difference of shear failure mechanism and shear failure characteristics of different parts of rock-soil mass, using three segmented general potential sliding surface to simulate the complex failure mode of side slope, and make the segmented general potential sliding surface constructed contain the possible type of existing sliding surface, can ensure the rationality of sliding surface shape under the requirement of concave characteristics of sliding surface curve and the consistency of movement direction at the junction point of adjacent segment sliding surface, and can be controlled by several easily determined parameters to control the shape of segmented general potential sliding surface, and be generated in discrete mode, to realize the general consideration of multiple advantages such as universality, precision and ease of use of potential sliding surface determination in actual side slope engineering under complex conditions, further improve the accuracy of side slope stability evaluation.
Owner:CENT SOUTH UNIV
Method, device, equipment and medium for determining a joining slab formed by continuous casting of different steel grades
ActiveCN119418805BMolecular entity identificationProcess efficiency improvementMechanical engineeringArticulation points
The application provides a method, device, equipment and medium for determining a connecting blank formed by continuous casting of different steel grades, and belongs to the technical field of metallurgy. The method for determining the connecting blank takes the difference between the composition value of the connecting point of each position of the connecting blank and the composition value of the forehearth as a corresponding first parameter, takes the difference between the composition value of the backhearth and the composition value of the forehearth as a second parameter, and determines the composition mixing degree to be proportional to the first parameter at the corresponding position and inversely proportional to the second parameter. The composition mixing degree of the starting point and the ending point of the connecting blank is determined according to the composition limit value of the forehearth and the composition limit value of the backhearth, and the growth relationship between the tapping amount of the corresponding position and the composition mixing degree and the remaining steel amount of the tundish is determined. Then, the tapping amount corresponding to the starting point and the ending point of the connecting blank is determined according to the composition mixing degree of the starting point and the ending point of the connecting blank, and the starting point and the ending point of the connecting blank are determined according to the tapping amount corresponding to the starting point and the ending point of the connecting blank. The method for determining the connecting blank has high determination accuracy.
Owner:HUNAN VALIN XIANGTAN IRON & STEEL CO LTD
Method, device and equipment for machining motion planning and storage medium
The application is suitable for the field of automation control technology, and provides a machining motion planning method, device, equipment and storage medium. The machining motion planning method comprises the following steps: acquiring a maximum translational speed of a tool tip motion trajectory and a tool tip motion time, and acquiring a maximum rotational speed of a tool shaft motion trajectory and a tool shaft motion time; smoothing a tool tip translational corner of the tool tip motion trajectory and a tool shaft rotational corner of the tool shaft motion trajectory; determining a translational boundary speed of a tool tip translational connection point of the smoothed tool tip motion trajectory and a rotational boundary speed of a tool shaft rotational connection point of the tool shaft motion trajectory according to the maximum translational speed of the tool tip motion trajectory and the maximum rotational speed of the tool shaft motion trajectory; and synchronizing the translational motion of the tool tip with the rotational motion of the tool shaft according to the translational boundary speed, the rotational boundary speed, the tool tip motion time and the tool shaft motion time. The machining motion planning method provided by the embodiment of the application can improve machining quality.
Owner:HANS LASER TECH IND GRP CO LTD +1
Baler and method for forming round bales
A baler for forming round bales of crops, includes: a frame providing an internal volume; a feeding unit; a plurality of belts placed side by side in the internal volume; a tensioning system having tensioning arms for applying a tension to the belts so to generate a corresponding pressure on the crops; a control unit; wherein the control unit is connected to the tensioning system and is programmed for automatically setting the tensioning of the belts to a start value, at the bale starting point, and for automatically increasing the tensioning of the belts to reach the tensioning set point responsive to a predetermined swivel angle of the tensioning arms around an articulation point as the arms move upwards.
Owner:KVERNELAND GRP RAVENNA
Dummy hinge for sliding vehicle side door.
The invention relates to a false hinge for temporarily connecting, in vertical rotation, a side opening (3) of a vehicle with a front edge (3a) to a structure (2) of the latter, comprising a first piece or hinge (4) provided with a first articulation element (5) and a plate (6) for its attachment to the structure (2), offset from this first element (5), and a second piece or hinge (7) provided with a second articulation element (8) adapted to cover or receive the first (5) and a plate (9) for its attachment to the opening (3), offset from this second element (8), characterized in that the first articulation element (5) is carried by a connecting rod (10) pivotally mounted on the first hinge (4) while the second articulation element (8) is carried by the second hinge (7), and in that the first (4) and second (7) hinges have coupling means (11, 12) such that the operation of the opening (3) imposes on the connecting rod,Therefore, at the first articulation point (5), a movement around its pivot leads to a rotation of the opening (3) around a virtually fixed vertical axis. FIGURE IN ABRIDGED FORM: Fig 1,
Owner:COUTIER IND
Method and device for supplementing feature points of a same-diameter pipeline intersecting line weld and electronic equipment
The application provides a characteristic point supplement method and device for the intersection line weld of the same-diameter pipeline, and electronic equipment. For two incoherent elliptical characteristic point sequences corresponding to the same-diameter pipeline, three-dimensional elliptical fitting is performed on the three-dimensional point cloud corresponding to each elliptical characteristic point sequence, and the intersection point of the fitted three-dimensional ellipse is determined. The intersection point is used as a connection reference, the curve trajectory of the three-dimensional ellipse is combined, and the supplement points are generated according to the density of the elliptical characteristic point sequence. Based on the supplement points, the intersection point and the elliptical characteristic point sequence, two complete characteristic point sets are obtained. Finally, the two complete characteristic point sets are combined to obtain a continuous and closed weld characteristic point set containing the intersection line weld of the same-diameter pipeline. The scheme can accurately locate the connection point position of the two cylindrical tangent regions of the same-diameter pipeline, provides a core reference for weld closure, and supplements the intersection line defect region based on the intersection point and the elliptical trajectory, thereby solving the defect that the weld cannot be closed in the prior art.
Owner:FAIR INNOVATION (SUZHOU) ROBOTIC SYSTEM CO LTD
Hard pull posture detection method and system based on mobile terminal video
The invention provides a hard pulling posture detection method and system based on a mobile terminal video, and the method comprises the steps: shooting a hard pulling motion video of a user through a mobile device, and inputting the hard pulling motion video into a Medipe posture estimation model, so as to extract a joint point coordinate sequence of a human skeleton in each frame of the video; carrying out smoothing processing on the articulation point coordinate sequence in the time dimension by applying Gaussian filtering, and calculating biomechanical angle characteristics representing the standard of the hard pulling posture according to the articulation point coordinate after smoothing processing; a frame-by-frame two-stage sequence determination is performed on the biomechanical angle feature to assess whether the hard pull action is standard, the two-stage sequence determination includes a first stage determination for an initial posture and a second stage determination for a pull-up force generation process, and the hard pull is taken as a standard action only when both stages are determined to pass. According to the invention, the accuracy of charging load prediction can be improved. According to the invention, the recognition accuracy of the hard pulling action can be improved.
Owner:JIANGXI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE