Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

1691 results about "Working space" patented technology

Obstacle avoidance method for industrial robot in complex environment

PCT designated stage expiredWO2025091795A1Programme-controlled manipulatorPoint cloudControl engineering
Disclosed in the present invention is an obstacle avoidance method for an industrial robot in a complex environment, comprising the following steps: S1, performing model simplification on an industrial robot in a working space, and simplifying an obstacle into an obstacle point cloud; S2, placing a depth camera outside a motion space of the industrial robot in an "eye-to-hand" arrangement mode; and S3, before the industrial robot moves, using a G-APF-RRT* algorithm to plan a feasible path in the working space. In the present invention, the calculation mode of the distance between the industrial robot and the obstacle is simple, the required time is short, virtual joint interpolation is used and a spherical bounding box is used at a joint to completely envelope the industrial robot so as to simplify a model, and distance calculation can be completed only by calculating the distance between the center of sphere of the limited spherical bounding box and each point in the obstacle point cloud.
Owner:GUANGDONG UNIV OF TECH

Heterogeneous double-mechanical-arm tail end pose mapping method, system and device and storage medium

The invention discloses a heterogeneous double-mechanical-arm tail end pose mapping method, system and device and a storage medium, and the method comprises the following steps: S1, obtaining the angular velocity, position and tail end pose information of each joint of a main mechanical arm, and calculating the spatial position and pose of the tail end of the main mechanical arm; s2, motion trail data in the teaching process of the main mechanical arm is collected, a long-short-term memory network model is established, the pose of the future time step length is predicted, and the motion trail of the auxiliary mechanical arm is planned; s3, data information is transmitted, and the problem of communication delay is solved; s4, the pose information of the tail end of the main mechanical arm is solved, the joint angle is adjusted, and the error is adjusted in combination with proportional-integral-differential control; s5, the position and speed signals are filtered, a mechanical arm dynamic model is established, an adaptive control law is designed, and a trajectory smoothing algorithm is adopted; and S6, establishing a virtual obstacle map, and limiting a safe working space. According to the method, comprehensive and accurate mapping and prediction of the tail end poses of the heterogeneous double mechanical arms are achieved.
Owner:ZHEJIANG UNIV OF TECH

Robot adaptive motion planning method and system based on compliant control

The invention provides a robot adaptive motion planning method and system based on compliance control, the method adopts admittance control as a compliance algorithm, the compliance is stronger compared with the traditional rigid control, and different compliance degrees can be selected according to the environment; combining inverse kinematics, trajectory interpolation and environmental parameters to construct an optimal reset trajectory under the constraint of a joint space safety region; by sensing external acting force and dynamically adjusting control parameters, the flexibility of the robot in a complex working environment is improved; a chassis-mechanical arm joint kinematics model is provided, and the problem that the working space of a traditional mechanical arm is limited is solved.
Owner:ZHEJIANG UNIV OF TECH

Explosion-proof humanoid double-arm robot obstacle avoidance path planning method

The invention belongs to the technical field of robot obstacle avoidance, and particularly relates to an anti-explosion humanoid double-arm robot obstacle avoidance path planning method which comprises the following steps: acquiring a three-dimensional model of double mechanical arms; the joints, the connecting rods and the environmental obstacles of the double mechanical arms are enveloped by the spheres; the improved Bi-RRT algorithm is adopted to conduct global path planning on the double mechanical arms; whether the double-mechanical-arm global planning path collides or not is judged, if yes, the path is planned again, the master arm and the slave arm are determined, and if not, the global planning path is executed; and whether the distance between the obstacle and the joint or the connecting rod of any mechanical arm is smaller than a set safety threshold value or not is judged, if yes, an artificial potential field local obstacle avoidance mode is started, and if not, the steps are repeatedly executed till the double mechanical arms complete path planning and reach the target point. According to the invention, the obstacle avoidance of static and dynamic obstacles in a working space can be realized, and meanwhile, the collision problem existing in the local obstacle avoidance process between the two arms is solved.
Owner:NANJING TETRAELC ELECTRONICS TECH CO LTD

Mechanical arm track optimization method and system based on deep learning and fuzzy algorithm

The invention relates to the technical field of intelligent mechanical arm control, and discloses a mechanical arm track optimization method and system based on deep learning and a fuzzy algorithm, and the method comprises the steps: building a kinematic model of a mechanical arm, determining the working space of the mechanical arm, carrying out the high-density random sampling, and generating a three-dimensional point cloud picture of a reachable region at the tail end of the mechanical arm; constructing a path planning model, designing a state space and an action space, and constructing a reward function; time-impact double-target optimization is carried out on the tail end path point sequence, a smooth joint trajectory is constructed, and balance between the shortest trajectory execution time and the minimum joint impact is achieved on the premise that speed and acceleration constraints are met; and tracking control is carried out on the trajectory, external disturbance and unmodeled dynamics are estimated and compensated in real time, a parameter adaptive law is designed, and the trajectory tracking precision of the system in a complex environment is improved. The autonomy, the accuracy and the anti-interference capability of the hot-line work mechanical arm in a complex environment are improved.
Owner:CHINA UNIV OF MINING & TECH

Hair straightening device

A hair straightening device comprises: a hand-held part, a first outlet member, a second outlet member. The second outlet member is arranged parallel to the first outlet member, the first outlet member and the second outlet member are respectively connected with the hand-held part, and a working space is defined between the first outlet member and the second outlet member; wherein at least one of the first outlet member and the second outlet member includes an air chamber and an air outlet communicated with the air chamber, the air outlet is extended along the length of the outlet member; wherein wall of the working space close to the air outlet includes a guiding bevel, the guiding bevel is configured for guiding airflow in the air chamber to the working space; wherein the air outlet is provided with a plurality of deflectors spaced along the direction of the outlet member.
Owner:SHENZHEN XIAOTI DAZUO TECH CO LTD +1

Phase-change alloy heat sink structure for heat dissipation of electronic device and use method of phase-change alloy heat sink structure

The invention discloses a phase change alloy heat sink structure for heat dissipation of an electronic device and a use method of the phase change alloy heat sink structure. The heat sink structure comprises an aluminum alloy shell and at least two independent cavities arranged in the shell, and the cavities are sequentially arranged in the direction from the hot end to the cold end of a heat sink. The cavities are filled with phase change alloy heat storage materials respectively, and the phase change alloy heat storage materials are sequentially filled into the cavities from the hot end to the cold end of the heat sink according to the sequence of the phase change temperatures from high to low. Through the design of the packaging structure and the optimized combination of multiple phase change heat storage alloys, the temperature gradient of the heat sink from the hot end to the cold end is reduced, the multiple phase change alloys are made to continuously generate solid-liquid phase change from the cold end to the hot end in a short time, the heat storage capacity of the phase change materials in a limited space is fully exerted, and the heat storage efficiency of the phase change materials is improved. The temperature equalization and temperature control capabilities of the phase change heat sink are greatly improved, and the phase change heat sink is suitable for heat dissipation of electronic components in aircrafts with strictly limited working spaces.
Owner:GRIMAT ENG INST CO LTD

Four-degree-of-freedom parallel mechanism with offset angle

The invention belongs to the technical field of parallel robots, and particularly relates to a four-degree-of-freedom parallel mechanism with an offset angle, which comprises a fixed platform, transmission branch chains are respectively arranged on the left side and the right side of the fixed platform, and parallelogram structures with offset angles are fixedly arranged at the upper ends of the two transmission branch chains; and a movable platform is connected between the two parallelogram structures with the offset angles. According to the four-degree-of-freedom parallel mechanism, a unique 4-2-1 structure is adopted, two driving branch chains are driven to act through four driving moving joints composed of two first sliding blocks and two second sliding blocks, three-dimensional translational motion and one-dimensional rotating motion of one movable platform are achieved, the working space of the four-degree-of-freedom parallel mechanism can extend infinitely in the direction of a guide rail, and the working efficiency of the four-degree-of-freedom parallel mechanism is improved. The device is good in movement stability, compact in structure and high in rotation flexibility.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

MAPPO double-arm cooperative intelligent picking method

The invention discloses a double-arm collaborative picking method based on reinforcement learning, a double-arm six-degree-of-freedom robot is adopted, a double-agent algorithm based on reinforcement learning is stored in an electric control device, and the electric control device comprises an actor network, a commentator network, an experience playback buffer area, two agents and an environment module storing st information; each of the two intelligent agents corresponds to one mechanical arm; continuously reading jointt and evaluating the sum of rewards rt by the two intelligent agents in work; the objective function of the actor network is calculated through a dominant function # imgabs0 #, the commentator network is optimized, a dynamic obstacle avoidance strategy is executed, a multi-objective greedy picking strategy is executed, an independent working space and a public working space are divided, and efficient apple picking through double-arm cooperation is achieved. According to the method, MAPPO reinforcement learning and a multi-target greedy picking strategy (MOGPS) algorithm are fused, the problems of double-arm action synchronization and task allocation are solved, the limitation of a traditional algorithm in double-arm cooperation is overcome, the double-arm cooperation picking efficiency is improved, and the adaptability of the robot in different operation scenes is enhanced.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Mechanical arm dynamic obstacle avoidance trajectory planning method based on dynamic motion primitive and steering force field

The invention provides a mechanical arm dynamic obstacle avoidance trajectory planning method based on a dynamic motion element and a steering force field, and belongs to the technical field of robots. Secondly, learning the teaching track preprocessed in the step 1 by using an improved dynamic motion primitive (DMP) algorithm, so that the DMP can generate a motion mode similar to the teaching track; through a depth camera installed around a mechanical arm or at a fixed position, obstacle information, shape and motion state are obtained in real time, obstacle avoidance repulsive force is calculated, steering force is quantified, and obstacle avoidance of free motion obstacles is achieved; a Lyapunov equation is constructed, based on the Lyapunov stability theory, the stability of the improved DMP algorithm is proved, and it is ensured that the motion trail of the mechanical arm in the dynamic environment is converged to a target point; and finally, carrying out an obstacle avoidance experiment to verify the dynamic obstacle avoidance capability of the mechanical arm. According to the invention, the trajectory generalization ability of the mechanical arm in a narrow working space is obviously improved.
Owner:HARBIN INST OF TECH +1

Workshop ventilation system design method, terminal equipment and storage medium

The invention relates to a factory building ventilation system design method, terminal equipment and a storage medium. The method comprises the steps that three-dimensional modeling is conducted on a factory building and internal equipment of the factory building; parameters of a ventilation system of the plant are set, and equipment type selection of the ventilation system is carried out according to the parameters; carrying out grid division on the constructed three-dimensional model and the internal flow field, and then carrying out simulation analysis to obtain an airflow organization distribution rule formed by the ventilation system of the factory building at different positions; performing simulation analysis for multiple times by adjusting the parameters of the ventilation system, and obtaining the optimal parameters of the ventilation system based on the results of the simulation analysis for multiple times; and designing the ventilation system of the plant based on the optimal parameters of the ventilation system. According to the method, the stability of airflow organization in the tall and large factory building, the safety of a working space and the comfort of a worker working face are improved, and effective design thoughts and suggestions are provided for design and transformation of a ventilation system of the tall and large factory building.
Owner:WISDRI ENG & RES INC LTD

Defective filter stick sorting method for reinforcement learning self-adaptive grabbing

The invention provides a filter stick defective product sorting method for reinforcement learning self-adaptive grabbing, and relates to the technical field of filter stick sorting. The defects of the filter stick are recognized through a multi-view visual module, image coordinates are compensated in real time in combination with the speed of a conveying belt, and the image coordinates are accurately mapped to a three-dimensional working space of a mechanical arm; then, defect poses, production line states and mechanical arm parameters are input to a reinforcement learning module, so that the optimal grabbing action and clamping pressure are output, and efficient sorting of the driving mechanical arm and the soft clamping jaw is achieved; and meanwhile, the feedback evaluation unit acquires a grabbing result through a sensor, generates a reward signal optimization strategy network, and realizes continuous online learning. The technical problems that in a high-speed flexible production line, a traditional sorting system is insufficient in grabbing precision and high in false grabbing rate due to the fact that visual recognition and a mechanical grabbing strategy are disjointed are solved. According to the invention, the collaborative precision of defect identification and grabbing and the sorting efficiency in the filter stick production line are obviously improved.
Owner:NANTONG VOCATIONAL COLLEGE

Redundant drive parallel waist mechanism for humanoid robot

The invention relates to a humanoid robot, in particular to a redundant drive parallel waist mechanism for the humanoid robot. The redundant drive parallel waist mechanism for the humanoid robot has the advantages of being large in working space range, high in precision and large in bearing capacity. According to the technical scheme, the redundant drive parallel waist mechanism for the humanoid robot is characterized by comprising a waist platform connected with upper limbs of the humanoid robot, a pelvic bone base connected with lower limbs of the humanoid robot and six branches connected between the waist platform and the pelvic bone base in parallel; the six branches comprise four first branches and two second branches; or the six branches comprise four third branches and two fourth branches.
Owner:ZHEJIANG SCI-TECH UNIV

Method for calibrating a robot

A method for calibrating a robot is disclosed. A working space of the robot at least partly overlaps with a working space of a machining and / or production tool. The robot is moved such that a reference point of the robot is at a first position within the working space of the machining and / or production tool. A first position value for the robot at the first position is compared with a first position value for the machining and / or production tool at the position. If the first position value for the robot differs from the first position value for the machining and / or production tool, the first position value for the robot is corrected or the first position value for the machining and / or production tool is corrected such that the first position value for the robot and the first position value for the machining and / or production tool are the same.
Owner:SIEMENS AG

Fault discharge detection device for main transformer of transformer substation

The invention relates to the technical field of substation detection equipment, in particular to a fault discharge detection device for a main transformer of a substation, which comprises a base, a first bearing plate is arranged on the side of a vertical supporting beam, a right-angle support is connected to a first servo rotating seat on the side of the first bearing plate, and a second bearing plate is fixedly mounted on the right-angle support. A horizontal supporting arm is installed on a second servo rotating seat on the second bearing plate, a bearing rotary table is installed at one end of the outer side of the horizontal supporting arm, a stabilizing screw rod is installed on a loading plate at one end of the outer side of the bearing rotary table, an adjusting screw rod on the periphery of the stabilizing screw rod is sleeved with a detection probe rod, and a third bearing plate is fixedly installed on the other side of the loading plate; an infrared camera probe is arranged on the outer side of the third bearing plate. According to the invention, through a matching structure of a mechanical-electrical integration design and a space kinematic chain, full-angle coverage of the main transformer of the transformer substation can be realized, a safe operation space is given to electric power engineering personnel, and the core problems of high signal supply omission ratio and high personnel safety risk are solved.
Owner:TAIAN POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1

Offshore floating informatization tower carrying constant-temperature cabinet

The invention relates to the technical field of offshore informatization construction, and discloses an offshore floating informatization tower carrying a constant-temperature cabinet, which comprises a floating rack, a sensor group mounted on the floating rack and a supporting tower mounted at the top of the floating rack, and a wireless antenna is mounted at the top of the supporting tower. Four supporting leg frames are installed at the bottom of the floating rack, and a floating assembly is arranged among the bottoms of the four supporting leg frames. According to the offshore floating informatization tower carrying the constant-temperature cabinet, a safe and stable working space is provided for offshore informatization equipment by means of the offshore floating tower and the carried cabinet assembly, the offshore informatization equipment stably runs in a relatively static mode in a designated area, the informatization equipment deployed in a cluster creates a network connection foundation for ocean intellectualization, and the offshore floating informatization tower carrying the constant-temperature cabinet is high in practicability. And a relatively small-scale floating platform is used for carrying offshore informatization equipment, so that a high-speed network coverage technology on the sea is realized, and the cost performance is in a controllable range.
Owner:INNER MONGOLIA YANGYUE TECH CO LTD

MPP cable protection pipe positioning cutting equipment

The MPP cable protection pipe positioning and cutting equipment comprises a base, a moving assembly, a first fixing assembly, a cutting assembly and a positioning assembly, wherein the moving assembly, the first fixing assembly and the cutting assembly are sequentially arranged on the base; the positioning assembly comprises a positioning plate, a blocking strip rotationally installed on the positioning plate and an extension rod. The mounting rod of the positioning plate is detachably and fixedly connected with the extension rods, and the extension rods are detachably and fixedly connected with one another; the cutting assembly comprises a cutting knife, a transmission shaft, a rotation driving device, a connecting shaft which is slidably and elastically installed on the transmission shaft and slidably installed on the lifting plate, a driving friction plate fixedly installed on the connecting shaft, a driven friction plate intermittently attached to the driving friction plate, a lifting mechanism and a first reciprocating mechanism driven by the connecting shaft. The reciprocating mechanism II is driven by the driven friction plate; accurate positioning and automatic cutting are achieved, and it is guaranteed that the lengths of the cut protection pipes are uniform; and the cutting knife adopts a serrated knife, so that the required working space is small during cutting, and the safety coefficient is high.
Owner:FUYANG BAINUO PIPE CO LTD

CNC machine tool feeding and discharging robot multi-mode motion control system and method

The invention discloses a CNC machine tool feeding and discharging robot multi-mode motion control system and method, and relates to the technical field of robot motion control, and the method comprises the following steps: in the path planning process, firstly, according to the task requirement of each mechanical arm and the current working space state, the motion path of the mechanical arm is dynamically generated through real-time sensor feedback; after the complete motion path is generated, the path of the mechanical arm is divided into a plurality of sub-path sections according to a fixed time window, and each sub-path section represents a small continuous motion area of the mechanical arm. Through dynamic path prediction and conflict detection combined with real-time sensor feedback and a machine learning model, potential path conflicts can be recognized and evaluated in time, the time window and the task execution sequence can be intelligently adjusted according to conflict severity, it is ensured that each mechanical arm executes tasks within safe time and space, and the task execution efficiency is improved. The deadlock phenomenon is reduced, and the overall efficiency and stability are improved.
Owner:DONGGUAN JUWEI ELECTRONIC TECH CO LTD

Multi-lumen-catheter system for a minimally-invasive treatment

A system for performing minimally invasive procedures in a body lumen of a patient including a flexible catheter having a first lumen configured and dimensioned to receive an endoscope therethrough and a second lumen configured and dimensioned to receive a first flexible tube therethrough. The first flexible tube is movable through the second lumen and has a distal portion including a first curve extending in a first direction with respect to the longitudinal axis and a second curve extending in a second different direction with respect to the longitudinal axis. A retractor system is positioned at a distal portion of the catheter and is movable from a non-expanded insertion position to an expanded position forming an expanded cage to form a larger working space. The distal portion of the first flexible tube is movable within the expanded cage.
Owner:BOSTON SCIENTIFIC SCIMED INC

Metal workpiece machining device

The invention relates to the technical field of metal machining equipment, in particular to a metal workpiece machining device which comprises a milling machine head and a tool bit rotationally installed at the bottom of the milling machine head, a lantern ring is fixedly installed at the bottom of the milling machine head, and a lifting sliding cavity is formed in the side wall of the lantern ring; the milling machine has the beneficial effects that the lifting sliding ring is arranged at the bottom of the milling machine head, and the tool bit is located on the inner side of the lifting sliding ring, so that when the tool bit is fractured and collapsed, the lifting sliding ring can block the tool bit to prevent the tool bit from hurting an operator; when the tool bit machines a metal workpiece, the lifting sliding ring can slide upwards relatively, the tool bit can be prevented from making contact with the workpiece, the bottom end of the lifting sliding ring can be attached to the surface of the workpiece all the time, a working space which is closed all the time is formed, and the situation that generated waste chips splash to injure operators can be prevented.
Owner:HUAYUANXIANG (DONGGUAN) TECH CO LTD

Universal sample preparation and high-frequency vibration loading integrated device and method for triaxial test

The invention relates to a triaxial test universal sample preparation and high-frequency vibration loading integrated device and method, the device comprises a main body loading frame, a sample preparation suite, a loading suite and a loader, and the loader comprises a voice coil motor; the main body loading frame comprises a supporting plate, a supporting rod and a loading ejector rod, a working space is formed between the supporting plate and the supporting rod, one end of the loading ejector rod is connected with the loader, and the other end of the loading ejector rod extends into the working space; a soil sample is placed in the sample preparation suite, and the loading ejector rod loads static force or surface vibration to the sample preparation suite; a sample prepared in the sample preparation suite is placed in the loading suite, and the loading ejector rod loads static force or power to the loading suite. Compared with the prior art, the sample preparation and loading of the triaxial test sample are realized through the sample preparation suite and the loading suite, and the operation is convenient; and the loader adopts electric loading, so that the problems of compactness, stable quality and the like during sample manufacturing can be solved, and the test error can be effectively reduced while manpower is saved.
Owner:TONGJI UNIV +1

Test box for simulating environment

The invention discloses a test box for simulating an environment. The test box comprises a box body, a single-stage refrigeration system, a cascade refrigeration system, an environment monitoring system and a control system. The box body comprises a testing space and a working space which are communicated, and the testing space is used for placing a to-be-tested product; the environment monitoring system is used for monitoring the temperature and humidity in the test space; when a first extreme environment of a to-be-tested product is simulated and tested, a control system firstly controls a single-stage refrigeration system to be started and a cascade refrigeration system to be closed, so that the temperature and humidity in a test space reach an intermediate critical environment; and then the control system controls the single-stage refrigeration system to be closed and the cascade refrigeration system to be started, so that the temperature and the humidity in the test space are reduced to the first extreme environment from the intermediate critical environment. According to the scheme, on the basis that the gas environment is not changed, simulation of the extreme environment can be achieved without external connection of other devices, the requirements of the to-be-tested product during environment testing are met, and the testing complexity and the testing cost are reduced.
Owner:SHANGHAI POWER EQUIPMENT RESEARCH INSTITUTE CO LTD

Giant telescope sub-lens installation robot device capable of reconstructing connection points

The invention discloses a giant telescope sub-mirror installation robot device capable of reconstructing connection points, and belongs to the field of precise instruments and equipment. The robot device sequentially comprises a movable platform upper layer, a movable platform middle layer and a movable platform lower layer from top to bottom. A vertical rope used for being connected with a hoisting mechanism is fixed to the periphery of the upper layer of the movable platform. The periphery of the middle layer of the movable platform is fixedly provided with a mechanical arm with a rope outlet mechanism, and the fixing and the length of connecting points of the four horizontal ropes can be controlled. The position of the robot mounting device can be adjusted in a large space range by matching with the movement of the vertical ropes of the hoisting mechanism, reconstructing and controlling the connecting points and the lengths of the four horizontal ropes. A six-degree-of-freedom mechanism is arranged on the lower layer of the movable platform, and a clamping jaw used for clamping a lens is arranged at the lower end of a mounting frame of the six-degree-of-freedom mechanism. Therefore, assembly and maintenance tasks such as mounting and dismounting of the sub-mirror under the conditions of large working space and heavy load are realized.
Owner:NANJING UNIV OF INFORMATION SCI & TECH +1

Quick self-locking device

The utility model provides a quick self-locking device which comprises a self-locking device body provided with a working space, a hook arranged on the self-locking device body, and an anti-falling lock catch arranged on the self-locking device body and matched with the hook, and further comprises an anti-falling lock catch arranged on the self-locking device body and matched with the hook. The clamping convex block is rotationally arranged in the working space and can be matched with the side wall of the working space to clamp the rope when the clamping convex block is driven by the rope to rotate; the ejector rod is arranged in the clamping protruding block in a sliding mode and can press the rope on the working side wall when the rope is pulled in the forward direction. And the safety ring is arranged on the clamping convex block and is positioned in the axial extension direction of the ejector rod. According to the utility model, the safety can be improved, and the working efficiency can be improved.
Owner:杭州汇创进出口有限公司

Superfine powder single-side heavy stacking manipulator

The invention relates to the technical field of stacking, in particular to an ultrafine powder single-side heavy stacking manipulator which solves the problems that when ultrafine powder packaging bags are manually stacked in the prior art, the stacking risk is high, the stacking efficiency is low, and the stability of materials is inconvenient to keep when the materials are forked and transferred through a stacking robot. A driving device is installed on one side of the middle of the base device, a transmission device is installed at one end of the driving device, a baffle device is installed at the bottom end of the base device, a bag pressing device is installed on one side of the baffle device, a mechanical arm assembly is installed at one end of the base device, and the base device comprises a wire coil. A connecting flange is fixedly installed in the middle of the lower end face of the wire coil. Materials are grabbed, carried and placed through the single-side heavy mechanical arm, the working space is greatly saved, the single-side heavy mechanical arm is particularly suitable for being used under the narrow or limited site condition, shaping of the materials is facilitated, and the stability of the material stacking process is kept.
Owner:WUXI DADONG MACHINERY MFG

Machine tool with protective bellows

A machine tool has a frame, a tool spindle with a tool holder, a workpiece holder and a protective bellows. The tool spindle and the workpiece holder are movable relative to one another in at least two translatory axes in a working space. The working space is delimited by at least one partition wall, which has at least one travel opening and, adjacent to the travel opening, a mounting collar, which surrounds the travel opening at least partially. At least the tool spindle or the workpiece holder is coupled to the frame through the travel opening. The protective bellows has a mounting edge adapted to the mounting collar, which is provided with a tension member. The protective bellows is mountable on the mounting collar in a relaxed state of the tension member and is secured to the mounting collar in a tensioned state of the tension member when in a mounted state.
Owner:CHIRON GRP SE

Rolling contact type continuum mechanical arm with symmetrical structure and statics modeling method of rolling contact type continuum mechanical arm

The invention relates to the technical field of robots, in particular to a rolling contact type continuum mechanical arm with a symmetrical structure and a statics modeling method thereof, the rolling contact type continuum mechanical arm comprises a plurality of rolling joints which are connected in sequence, and the rolling joints comprise one-degree-of-freedom joints and two-degree-of-freedom joints; the one-degree-of-freedom joints and the two-degree-of-freedom joints are alternately stacked, and every two adjacent rolling joints are connected in a rolling contact mode; the one-degree-of-freedom joint and the two-degree-of-freedom joint are each provided with a wire passing hole, and a driving cable is arranged in each wire passing hole in a penetrating mode. The continuum mechanical arm is of a symmetrical structure, the tail end of the continuum mechanical arm is provided with the most complete working space, and the problem that the working space at the tail end of an existing continuum mechanical arm has defects is solved; according to the static modeling method for the rolling contact type continuum mechanical arm, the problem that static analysis of rolling joints of different structures is inconsistent is solved, and the problem that calculation is complex due to the fact that integral terms exist in a traditional beam theoretical model is solved.
Owner:SHANGHAI UNIV

Multi-attitude locked plane-symmetrical metamorphic multistable mechanism

The invention relates to a multi-attitude locked plane-symmetrical metamorphic multistable mechanism which comprises a base, a motion branch chain and a movable platform which are vertically and radially overlapped, and the base is connected with the movable platform through the motion branch chain; wherein the motion branch chains can be divided into three types: translation locking chains, bending locking chains and driving chains. Wherein the translation locking chain is distributed on a vertical plane passing through the center of the mechanism, the bending locking chain and the driving chain are symmetrically distributed by taking the vertical plane as a plane, and each moving rod piece on the chains is configured to rotate along the axial direction, so that the base and the moving platform generate relative movement; the base, the movable platform and the motion branch chains are located at singular points, and the motion branch chains are restrained. The mechanism has the advantages that the working space is large, the posture in the movement process is easy to control, and automatic locking and unlocking can be achieved.
Owner:BEIJING FORESTRY UNIVERSITY

Multi-station magnetizing device

The utility model discloses a multi-station magnetizing device which comprises a machine body, a plurality of magnetizing assemblies, a transmission assembly and a control assembly, and a working space is formed on the machine body. The plurality of magnetizing assemblies are arranged in the working space. The conveying assembly comprises a conveying belt and a driving mechanism. The control assembly comprises a plurality of temperature detection elements and a controller electrically connected with the temperature detection elements, the controller is electrically connected with the transmission assembly, each magnetizing assembly is provided with one temperature detection element, and the temperature detection elements are used for detecting the current temperature of the corresponding magnetizing assembly and sending the current temperature to the controller; the controller controls the transmission assembly to work to transport the rotor to be magnetized to the front side of the magnetizing assembly with the current temperature smaller than the preset temperature. A user only needs to place the to-be-magnetized rotor on the transmission assembly on the corresponding magnetizing assembly to realize magnetizing operation, so that misjudgment caused by manual judgment can be avoided, and the intellectualization of the multi-station magnetizing device is improved.
Owner:SHENZHEN JIUJU IND EQUIP CO LTD