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41results about How to "Realize multi-degree-of-freedom motion" patented technology
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Multi-degree-of-freedom stiffness variable pneumatic operation operating arm and manufacturing method
The invention discloses a multi-degree-of-freedom stiffness variable pneumatic operation operating arm and a manufacturing method. The operation operating arm is formed by connecting multiple sections of identical pneumatic driver units. Each pneumatic driver unit comprises a cylindrical driver, the two ends of the driver are connected to bases, the driver comprises an outside stiffness adjusting layer, and the stiffness adjusting layer is internally provided with a driving layer. The driving layer comprises a cylindrical silicone rubber layer with through holes, multiple cavities are formed in the silicone rubber layer, the inner surface of the silicone rubber layer is covered with a PDMS layer, and the outer surface of the silicone rubber layer is covered with double helix nylon fiber. The bases are provided with air holes corresponding to the cavities and vacuum orifices corresponding to the stiffness adjusting layer. The multi-degree-of-freedom stiffness variable pneumatic operation operating arm has the advantages of being highly flexible in motion capability, variable in stiffness, small in size and light in weight, causing little damage to a human body rigidity, and having less gas circuits, which facilitates control.
Owner:XI AN JIAOTONG UNIV
Self-walking-type mechanical arm
InactiveCN105643588ARealize multi-degree-of-freedom motionEasy maintenanceProgramme-controlled manipulatorMulti degree of freedomEngineering
The invention discloses a self-walking-type mechanical arm. The self-walking-type mechanical arm comprises a conveying device and a mechanical arm. The mechanical arm comprises an engine base, a rotary disc, a rear arm, a middle arm, a front arm, a rotary table and an assembly base, wherein the engine base is arranged on the conveying device; the rotary disc is arranged on the engine base through a rotary disc shaft, and the rotary disc shaft is driven to rotate by a rotary disc rotation mechanism; the lower end of the rear arm is arranged on the rotary disc in a mode of being capable of swinging front and back; the rear end of the middle arm is arranged on the upper end of the rear arm in a mode of being capable of swinging up and down; the rear end of the front arm is arranged on the front end of the middle arm in a mode of being capable of swinging up and down; the rotary table is arranged on the front end of the front arm through a rotary table shaft in a rotatable mode; the axis of the rotary table shaft is arranged in the front and back direction; and the assembly base is arranged on the rotary table through an assembly base shaft in a rotatable mode, and the axis of the assembly base shaft is vertical to the axis of the rotary table shaft. According to the self-walking-type mechanical arm, control on multi-degree of freedom motion of the assembly base is realized through the simple structure; the maintenance is convenient; and the manufacture cost is low.
Owner:GUANGXI UNIV
Portal frame type five-freedom-degree abrasive water jet spatial machining mechanical arm
InactiveCN107160411AIncrease flexibilityImprove efficiencyAbrasive machine appurtenancesAbrasive blasting machinesPhysicsSpray nozzle
The invention relates to a portal frame type five-freedom-degree abrasive water jet spatial machining mechanical arm. On the basis of a portal frame, a mechanical arm and an abrasive water jet machining technology are combined, and the flexibility and efficiency of water jet machining are improved. The portal frame type five-freedom-degree abrasive water jet spatial machining mechanical arm comprises a portal frame work bench, an abrasive water jet spray nozzle, a wrist, a forearm, a big arm, a machine seat, a sliding block, a portal frame cross beam and portal frame stand columns. The portal frame type five-freedom-degree abrasive water jet space machining mechanical arm has the advantages that the structure is ingenious, the mechanical arm and the water jet technology are combined, machining of a plane, a curved face and an inner surface and an outer surface of a workpiece is achieved through water jet, the flexibility of abrasive water jet machining is improved, the application range is wider, and the portal frame type five-freedom-degree abrasive water jet spatial machining mechanical arm is characterized by being efficient, reliable, flexible in operation and the like.
Owner:JIANGNAN UNIV
Rail grinding machine
ActiveCN104404846AImprove repair effectRealize multi-degree-of-freedom motionRailway track constructionElectric machineryStructural engineering
The invention relates to the field of mechanical equipment for use in rail maintenance, in particular to a rail grinding machine. The rail grinding machine comprises a fixed base, a grinding motor, a grinding head, a horizontal driving unit, a grinding head swinging driving unit, a frame and a feeding driving unit, wherein the feeding driving unit can be used for driving the grinding motor to move along the axis of the motor; the feeding driving unit is arranged on the frame through a shaft; the grinding head swinging driving unit can be used for driving the feeding driving unit to swing axially on the frame; the frame is connected to the horizontal driving unit; the horizontal driving unit is connected with the fixed base; the horizontal driving unit can be used for driving the frame to move horizontally. By adopting the rail grinding machine disclosed by the invention, multi-degree-of-freedom motion of the grinding head is realized, profile grinding can be realized on a steel rail during grinding, and the grinding effect is enhanced; a linear guide rail on which the motor is arranged is fixed on a driving box, and meanwhile the linear guide rail is arranged on the side face of a feeding servo motor to form an eccentric structure, so that the problems of mechane failure and poor grinding effect caused by vibration are solved.
Owner:南京宏典轨道装备有限公司
Electromagnetic voltage adjusting multi freedom degree spherical ultrasonic electromotor
InactiveCN101267171AFast dynamic responseSimple designPiezoelectric/electrostriction/magnetostriction machinesStatorMulti degree of freedom
The present invention belongs to the field of the ultrasonic electric motor manufacturing technique, and relates to an electromagnetic pressure-regulating multiple-freedom spherical ultrasonic electric motor. The invention comprises an engine casing, a sphere rotor which is provided with an output shaft, and a stator fixed on the engine casing. The sphere rotor is sleeved with an abrasion resisting circular ring. The surface of the circular ring is provided with a plurality of permanent magnetic pieces. The engine casing is also fixed with a plurality of pairs of electromagnetic poles. Each electromagnetic pole is composed of an iron core and a winding coil winding the iron core. The number of pairs of the electromagnetic poles is same to the number of pairs of magnetic piece electrodes and the positions are corresponding with the magnetic piece. The acting force between the permanent magnetic piece and the electromagnetic pole are regulated through changing the current of the winding coil of the electromagnetic pole. The multiple-freedom spherical ultrasonic electric motor of the invention has the advantages of more reliable structure, controllable prepressure of the rotor, improved operating characteristic of the electric motor and increased flexibility to the designing of the electric motor control system.
Owner:TIANJIN UNIV
Three-degree-of-freedom base and 4D seat applying same
ActiveCN102940411ARealize multi-degree-of-freedom motionLarge mechanical spaceAmusementsStoolsThree degrees of freedomMulti degree of freedom
The invention relates to a three-degree-of-freedom base and a 4D seat applying the same. The base comprises a chassis, a seat frame and a plurality of driving cylinders for connecting the chassis and the seat frame, wherein the driving cylinders are three driving cylinders which are distributed in an isosceles-triangle manner; each driving cylinder is connected with the chassis and the seat frame respectively by two ends of a universal and rotatable joint; the base also comprises at least one balance frame which is connected with the chassis and the seat frame by the two ends of a small-angle rotatable joint; and the 4D seat applying the base is also provided with a seat with an internal special-effect device on the chassis. The invention has the advantages that the traditional basic structure with the chassis, the seat frame and the driving cylinders is still used, three driving cylinders and two balance frames are used, so that multi-degree-of-freedom movement is realized, and the cost for driving, control and manufacture and cost for power energy are reduced; and the mechanical space is greatly saved, so that components needing to be provided with control equipment are integrated into a platform, and space support is provided for integration of a product.
Owner:SHANGHAI HENGRUN CULTURE GROUP CO LTD
S-shaped robot joint module and S-shaped robot
PendingCN107671885AImprove practicalityAchieve modularityProgramme-controlled manipulatorJointsComputer moduleControl theory
The invention provides an S-shaped robot joint module and an S-shaped robot. The S-shaped robot joint module comprises a shell with one end provided with a shell connecting part, a shaft rotationallyarranged in the shell, a drive unit, a rotation displacement detecting unit, a braking unit, a joint connecting block with one end pivotally arranged on the shell, and a transmission unit arranged inthe shell and located between the shaft and the joint connecting block, wherein the drive unit, the rotation displacement detecting unit and the braking unit are arranged between the shell and the shaft body. According to the S-shaped robot joint module, modularization of robot joints can be achieved through integration of the components in the shell, meanwhile, the joint modules can be conveniently replaced after the multiple joint modules are connected, the joint module has good replaceability, and the practicability of the robot made of the joint module is improved.
Owner:CHONGQING HEWEI TECH CO LTD
Ankle joint rehabilitation training device
PendingCN106924014ARealize multi-degree-of-freedom motionImprove the efficiency of rehabilitation trainingChiropractic devicesAgainst vector-borne diseasesRotational axisPhysical therapy
The invention discloses an ankle joint rehabilitation training device. The ankle joint rehabilitation training device comprises a work table, a Z-axis rotation mechanism erected to the work table and rotating around the Z axis of the work table, a Y-axis rotation mechanism connected with the Z-axis rotation mechanism and rotating around the Y axis of the work table, and an X-axis rotation mechanism connected with the Y-axis rotation mechanism and rotating around the X axis of the work table, wherein the lower end of the X-axis rotation mechanism is provided with a pedal plate parallel to the table board of the work table; the Y-axis rotation mechanism comprises an annular bracket vertically fastened to a drive arm of the Z-axis rotation mechanism, an annular sliding cover in sliding arrangement with one side wall of the annular bracket, and a Y-axis drive mechanism used for driving the annular sliding cover to rotate around the axis of the annular bracket, the Y-axis drive mechanism rotates synchronously with the annular sliding cover, and the X-axis rotation mechanism is fastened to one side of the annular sliding cover. Due to the adoption of the structural design, the ankle joint rehabilitation training device has the advantage that the multi-freedom-degree movement of the ankle joint is conveniently and rapidly realized, and further, the efficiency of the rehabilitation training is effectively promoted.
Owner:GUANGDONG MINGKAI MEDICAL ROBOTS CO LTD
Robot multi-freedom joint
The invention relates to a robot multi-freedom degree joint. Wherein, the inner semi-annular bracket is hinged on the inner side of annular body; the outer semi-annular body is hinged on the outer side of annular body; two connection points between inner semi-annular bracket and annular body, an two connection points between outer semi-annular body and annular body are all on the diameter of annular body; the connecting line between two connection points of inner semi-annular bracket and annular body is vertical to the connecting line of another two connection points; the connection part of inner semi-annular bracket and annular body has the first ultrasonic motor which is mounted at the inner side of inner semi-annular bracket; the connection part of outer semi-annular bracket and annular body has the second ultrasonic motor which is mounted at the inner side of annular body; the output shaft of first ultrasonic motor is connection via key to the annular body while the output shaft of second ultrasonic motor is connection via key to the outer semi-annular body; and both the inner side of outer and inner semi-annular bodies have connection holes.
Owner:ZHEJIANG UNIV OF TECH
Multi-degree of freedom linear motor
ActiveCN105207445ARealize multi-degree-of-freedom motionPropulsion systemsCoil arrayMulti degree of freedom
The invention relates to a multi-degree of freedom linear motor. The multi-degree of freedom linear motor comprises a first magnet array, a second magnet array, a third magnet array and a fourth magnet array which are successively arranged in parallel along the first direction. A first magnetic field is formed between the first magnet array and the second magnet array. A second magnetic field is formed between the third magnet array and the fourth magnet array. The first magnetic field and the second magnetic field are opposite in polarity. The multi-degree of freedom linear motor also comprises a U-shaped coil array. Two ends of the U-shaped coil array are respectively inserted in the first magnetic field and the second magnetic field. According to the invention, without adding the number of coils, push forces in x and y directions and even torque in the Rz direction are achieved, so that the multi-degree of freedom movement of the linear motor is realized.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
Hybrid-driven multi-stator multi-degree-of-freedom motor
ActiveCN109728696ASimple structureReduce volumeMagnetic circuit rotating partsMagnetic circuit stationary partsStatorMagnet
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
Movable type gripping robot
PendingCN108638023ALarge grabbing rangeAccurate captureProgramme-controlled manipulatorMovable typeReducer
The invention provides a movable type gripping robot. The movable type gripping robot comprises a main mounting bottom disc, a gripping unit and walking units. The movable type gripping robot is characterized in that the main mounting bottom disc is in a rhombus shape, and a round hole is formed in the middle of the main mounting bottom disc; the gripping unit penetrates the round hole and is connected with the main mounting bottom disc; protruding mounting seats are arranged adjacent to four vertexes of the rhombus bottom disc; the walking units are mounted on the protruding mounting seats ofthe bottom disc; and the included angels of adjacent axes of the four walking units are 90 degrees. According to the movable type gripping robot, four speed reducers are mounted at joints of a mechanical arm, so that the multi-freedom-degree motion is achieved; the gripping range is large; servo motors are adopted as motors of the speed reducers, so that gripping is conducted more precisely; thefour walking units are uniformly distributed in the circumferential direction, and the leg swing motion can be achieved; rotation angels of feet can be controlled; the obstacle crossing ability is excellent; and motion performance of the movable type gripping robot is enhanced.
Owner:振东科技秦皇岛有限公司
Inner wallboard carrying robot
InactiveCN108584412AFully automatedRealize multi-degree-of-freedom motionConveyorsConveyor partsHydraulic motorManipulator
The invention discloses an inner wallboard carrying robot. The inner wallboard carrying robot comprises a base; a rotating oil cylinder is arranged on the base; a height oil cylinder is arranged at the upper end of the rotating oil cylinder; a radial oil cylinder is horizontally arranged at the upper end of the height oil cylinder; a wallboard upright base is arranged at the tail end of the radialoil cylinder, and is hinged with a wallboard upright rotating shaft; the wallboard upright base is provided with a hydraulic motor for driving the wallboard upright rotating shaft to rotate; a vertical connecting piece is vertically arranged on the wallboard upright rotating shaft; a wallboard contact plate is arranged at the bottom of the vertical connecting piece; multiple left separation oil cylinders and multiple right separation oil cylinders are horizontally arranged on the two sides of the wallboard contact plate; left clamping oil cylinders are vertically arranged at the tail ends ofthe left separation oil cylinders; right clamping oil cylinders are vertically arranged at the tail ends of the right separation oil cylinders; left clamping manipulators are arranged at the tail endsof the left clamping oil cylinders; and right clamping manipulators are arranged at the tail ends of the right clamping oil cylinders. The inner wallboard carrying robot has the advantages of reasonable design, high mechanical degree, high carrying and bundling efficiency and the like.
Owner:山东七星实业有限公司
A multi-degree-of-freedom rigidity variable pneumatic surgical operating arm and its manufacturing method
The invention discloses a multi-degree-of-freedom stiffness variable pneumatic operation operating arm and a manufacturing method. The operation operating arm is formed by connecting multiple sections of identical pneumatic driver units. Each pneumatic driver unit comprises a cylindrical driver, the two ends of the driver are connected to bases, the driver comprises an outside stiffness adjusting layer, and the stiffness adjusting layer is internally provided with a driving layer. The driving layer comprises a cylindrical silicone rubber layer with through holes, multiple cavities are formed in the silicone rubber layer, the inner surface of the silicone rubber layer is covered with a PDMS layer, and the outer surface of the silicone rubber layer is covered with double helix nylon fiber. The bases are provided with air holes corresponding to the cavities and vacuum orifices corresponding to the stiffness adjusting layer. The multi-degree-of-freedom stiffness variable pneumatic operation operating arm has the advantages of being highly flexible in motion capability, variable in stiffness, small in size and light in weight, causing little damage to a human body rigidity, and having less gas circuits, which facilitates control.
Owner:XI AN JIAOTONG UNIV
A rotary linear permanent magnet motor
ActiveCN105471212BRealize multi-degree-of-freedom motionReduce interactionPropulsion systemsSynchronous machines with stationary armatures and rotating magnetsAir bearingMulti degree of freedom
The invention provides a rotary linear permanent magnet motor, which includes a stator, a rotor and a mechanical decoupling device; the stator and the rotor are placed in a support seat, the stator includes a stator core, a rotating armature winding and a linear armature winding; the rotor includes a rotor iron core and the permanent magnet of the rotor; the mechanical decoupling device includes a rotary bearing, a sliding bracket and a sliding guide rail; the sliding bracket is connected to the inner shaft of the rotor through the rotating bearing, the sliding bracket is arranged on the sliding guide rail, and the sliding bracket can be positioned relative to the sliding guide rail on the axis of the inner shaft of the rotor within the axial length of the stator core, the radial direction of the rotary linear permanent magnet motor from the inside to the outside is the rotor inner shaft, the air bearing, the annular protrusion of the support seat, the rotor core, the rotor permanent Magnets, linear armature windings, rotating armature windings and stator cores. The rotary linear permanent magnet motor of the present invention realizes the multi-degree-of-freedom movement of a single motor, and improves the precision and efficiency of motor operation.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Magnetic resistance type multi-DOF (degree of freedom) magnetically-levitated planar motor
ActiveCN102739121ASimple structureSecondary size is smallMagnetic holding devicesPrimary permanentPlanar motor
The invention discloses a magnetic resistance type multi-DOF (degree of freedom) magnetically-levitated planar motor, which belongs to the technical field of motors, and solves the problem that the existing permanent magnet synchronous planar motor is complicated in structure and low in positioning accuracy. The planar motor is composed of a primary part, a secondary part and air gaps, wherein the primary part is composed of an upper primary plate, a lower primary plate and armatures, and each armature is composed of an armature core, an armature winding and a primary permanent magnet; the secondary part is composed of a secondary base plate and a secondary yoke plate; and the armatures are divided into three or four sets and uniformly and symmetrically distributed at the periphery between the upper primary plate and the lower primary plate, the secondary part is also arranged between the upper primary plate and the lower primary plate, and the air gaps are formed between the upper primary plate and the secondary part and between the secondary part and the lower primary plate. The planar motor disclosed by the invention is applicable to magnetically-levitated planar motors.
Owner:HARBIN INST OF TECH
Rotatable multi-degree-of-freedom motion platform
PendingCN113181664AReduce the overall heightReduce volumeAmusementsStands/trestlesUniversal jointGear wheel
The invention relates to a motion platform, in particular to a rotatable multi-degree-of-freedom motion platform, and solves the problems that existing installation platforms are large in size, short in service life, high in manufacturing cost and large in mechanical noise. The motion platform comprises a lifting supporting unit and a mounting platform. The lifting supporting unit comprises at least two lifting units and one supporting unit or at least three lifting units. The lifting unit comprises a first motor driving assembly, a chain transmission assembly, a sliding assembly, a lifting assembly and a universal joint. The chain transmission assembly comprises a driving gear, a driven gear, a traction chain and a gear mounting seat. The sliding assembly comprises at least two supporting seats, a sliding rail supported between the at least two supporting seats, a first sliding block assembly and a second sliding block assembly, wherein the first sliding block assembly and the second sliding block assembly slide on the sliding rail. The lifting assembly comprises a first supporting frame and a second supporting frame which are of a H-shaped structure. The supporting unit comprises a universal joint and a stand column hinged to the base.
Owner:XIAN VIRTUAL RIDING TECH CO LTD +1
Coanda effect propelling system and underwater robot
ActiveCN108298051AReduce mechanical structure complexityReduce running noisePropulsive elementsUnderwater vesselsControl theoryWater spray
The invention provides a coanda effect propelling system and an underwater robot and relates to the field of underwater robots. The propelling system comprises a water spray barrel, a control loop, awater spray power device and an adjusting power device. An inner cavity is formed in the water spray barrel, and a water inlet is formed in one end of the water spray barrel. Multiple sets of effect openings formed in the circumferential direction of the water spray barrel are formed in the water spray barrel, each set of the effect openings comprises a first opening and a second opening, the first openings are formed in the side wall of the water spray barrel, and the second openings are formed in the end, away from the water inlet, of the water spray barrel. The water spray barrel is sleevedwith the control loop. A control opening is formed in the control loop. A water outlet of the water spray power device communicates with the water inlet. The adjusting power device is in transmissionconnection with the control loop so as to adjust rotation of the control loop and control an effect valve to be turned on and off. The robot comprises the above coanda effect propelling system. The robot and the coanda effect propelling system are simple in structure, good in stability and low in energy consumption, the output direction of a jet stream can be flexibly adjusted, and multi-freedom-degree motion is achieved.
Owner:SOUTHWEST PETROLEUM UNIV
A compact rigid-flexible coupling platform connection structure and its multi-axis motion platform
The invention discloses a compact rigid-flexible coupling platform connection structure and a multi-axis motion platform formed thereof, including an upper platform, a lower platform, a motion detection element and a driving device, and the base of the upper platform is designed as a rigid-flexible coupling structure and installed on the lower layer The driving device is installed on the platform guide rail and the lower platform, and the driving device drives the upper platform to move along the direction of the guide rail; the motion detection element detects the displacement or speed of the upper platform frame, and the second detection element is optional to detect the deformation or deformation of the flexible hinge speed. The present invention integrates the bottom of the upper platform with the lower platform, eliminating the need for an intermediate connecting plate, so that the overall center of gravity of the platform is reduced, the structure is compact, and the Z direction is flatter, and multi-layer platforms can be superimposed to realize multi-degree-of-freedom movement and flexibility To build the required multi-degree-of-freedom high-precision motion platform. In addition, the rigid-flexible coupling connection structure of the present invention adopts a sandwich-type flexible hinge, while ensuring no assembly error and fatigue life.
Owner:FOSHAN HUADAO SUPER PRECISION TECH CO LTD
Amusement facility virtual experience test device
The invention discloses an amusement facility virtual experience test device. The device comprises a base seat, a multi-directional lifting device, a suspension platform, a rotary device and a rotating cockpit device; the multi-directional lifting device is arranged on the base seat, the suspension platform is suspended on a multi-directional lifting end of the multi-directional lifting device, the top of the rotating cockpit device is connected to the suspension platform through the rotary device and is suspended under the suspension platform, and the multi-directional lifting device can drive the suspension platform and the rotating cockpit device to conduct one-direction or multi-direction lifting on the base seat as a whole; the rotary device can drive the rotating cockpit device to rotate on the suspension platform; the multi-directional lifting device and the rotary device can jointly drive the multi-degree-of-freedom movement of the rotating cockpit device on the suspension platform. The device has multiple degrees of freedom, can simulate the movement of a variety of amusement facilities, and achieves detection of virtual experience, human physiological parameter experiments and experience parameters and effects.
Owner:SHENZHEN HUANGQIANG CULTURE TECH GROUP
Magnetic resistance type multi-DOF (degree of freedom) magnetically-levitated planar motor
ActiveCN102739121BSimple structureSecondary size is smallMagnetic holding devicesPrimary permanentPermanent magnet synchronous motor
The invention discloses a magnetic resistance type multi-DOF (degree of freedom) magnetically-levitated planar motor, which belongs to the technical field of motors, and solves the problem that the existing permanent magnet synchronous planar motor is complicated in structure and low in positioning accuracy. The planar motor is composed of a primary part, a secondary part and air gaps, wherein the primary part is composed of an upper primary plate, a lower primary plate and armatures, and each armature is composed of an armature core, an armature winding and a primary permanent magnet; the secondary part is composed of a secondary base plate and a secondary yoke plate; and the armatures are divided into three or four sets and uniformly and symmetrically distributed at the periphery between the upper primary plate and the lower primary plate, the secondary part is also arranged between the upper primary plate and the lower primary plate, and the air gaps are formed between the upper primary plate and the secondary part and between the secondary part and the lower primary plate. The planar motor disclosed by the invention is applicable to magnetically-levitated planar motors.
Owner:HARBIN INST OF TECH
A compound hybrid excitation multi-degree-of-freedom spherical motor
ActiveCN114050697BLarge deflection angleRealize multi-degree-of-freedom motionMagnetic circuit stationary partsSynchronous machines with stationary armatures and rotating magnetsElectric machineEngineering
The invention discloses a composite hybrid excitation multi-degree-of-freedom spherical motor, which relates to the technical field of motors and includes a stator and a rotor, the stator and the rotor are installed with reference to the same spherical center, and the gap between the stator and the rotor forms a spherical air gap; The coils of each winding are fed with a composite current, which includes a rotation current component and a deflection current component, and the torque output performance of the rotor is changed by adjusting the respective rotation current components and the magnitude and phase of each deflection current component in the composite current , so as to realize the control of the rotor's rotation and deflection in various directions, so that the compound hybrid excitation multi-degree-of-freedom spherical motor has only rotation state, only deflection state and compound motion state. The invention utilizes the hybrid excitation characteristic of the direct current bias magnetic flux reversal motor, and has the advantages of high torque density, large motion range, stable torque output and the like.
Owner:SOUTH CHINA UNIV OF TECH
Three-degree-of-freedom base and 4D seat applying same
ActiveCN102940411BRealize multi-degree-of-freedom motionLarge mechanical spaceAmusementsStoolsThree degrees of freedomRolling chassis
Owner:SHANGHAI HENGRUN CULTURE GROUP CO LTD
A rolling automatic blackboard erasing device
ActiveCN108437662BLarge application areaIncrease the usable areaBoard cleaning devicesWriting boardsEngineeringCam
The invention discloses a rolling type automatic blackboard erasing device which comprises a blackboard body and supporting frame, a blackboard erasing device, a bevel gear transmission mechanism anda track cam transmission mechanism. The bevel gear transmission mechanism is installed on the side face of the blackboard body and supporting frame and is used for driving a batten board and fixed batten lining cloth in the blackboard body and supporting frame to move together; the track cam transmission mechanism is installed on the side face of the blackboard body and supporting frame and is used for achieving motion of a blackboard erasing pin roller in the blackboard erasing device, and the motion of the blackboard erasing pin roller is matched with motion of the batten board and the fixedbatten lining cloth to achieve erasing. By means of the rolling type automatic blackboard erasing device, multi-freedom-degree motion of the blackboard erasing pin roller is achieved, erasing achieves the best effect, and the automatic erasing effect is achieved; and powder formed during motion of the automatic blackboard erasing pin roller can be effectively controlled.
Owner:KUNMING UNIV OF SCI & TECH
A Multi-DOF Manipulated Underwater Tow Body
InactiveCN103144752BImprove design requirementsIncrease buoyancyUnderwater equipmentUnderwaterAttitude control
Owner:SOUTH CHINA UNIV OF TECH
Electromagnetic voltage adjusting multi freedom degree spherical ultrasonic electromotor
InactiveCN101267171BFast dynamic responseSimple designPiezoelectric/electrostriction/magnetostriction machinesControl systemEngineering
Owner:TIANJIN UNIV
All-region resource detection robot
PendingCN113858903AWide detection rangeLight in massRotary propellersConvertible vehiclesSimulationEngineering
An all-region resource detection robot comprises a multifunctional detection platform, a plurality of conversion mechanical feet connected with the multifunctional detection platform, a plurality of flight supports connected with the multifunctional detection platform, and driving devices arranged on the conversion mechanical feet and the flight supports. The problems that manual detection is high in intensity, low in efficiency, high in cost and unknown in danger, and an existing resource detection robot is insufficient in driving capacity, limited in detection area and the like can be effectively solved.
Owner:SHANGHAI MARITIME UNIVERSITY
A multi-degree-of-freedom linear motor
The invention relates to a multi-degree-of-freedom linear motor, which comprises a first magnet array, a second magnet array, a third magnet array and a fourth magnet array arranged in parallel in sequence along a first direction, the first magnet array and the second A first magnetic field is formed between the magnet arrays, a second magnetic field is formed between the third magnet array and the fourth magnet array, and the polarity of the first magnetic field is opposite to that of the second magnetic field; and a U-shaped coil array, the , two ends of the U-shaped coil array are respectively inserted in the first and second magnetic fields. In the present invention, without increasing the number of coils, the linear motor has thrust in the x direction and the y direction, and even has torque in the Rz direction, so as to realize the multi-degree-of-freedom motion of the linear motor.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD
Rigid-soft composite driver based on foldable sheet-shaped drivers
InactiveCN112428254AShort processing cycleLow priceProgramme-controlled manipulatorJointsStructural engineeringRehabilitation robot
The invention discloses a rigid-soft composite driver based on foldable sheet-shaped drivers, and provides a manufacturing method of the rigid-soft composite driver. The rigid-flexible composite driver is composed of a near-end rigid connecting piece, a middle-section rigid connecting piece, a far-end rigid connecting piece, a near-end joint driver and a far-end joint driver. The near-end rigid connecting piece, the middle-section rigid connecting piece and the far-end rigid connecting piece are made of the same material, are machined through a 3D printing process, are used for connecting thenear-end joint driver and the far-end joint driver, and play a role in supporting the whole structure at the same time; and the near-end joint driver and the far-end joint driver adopt the same material and structural form and comprise the foldable sheet-shaped drivers, rigid partition plates and strain limiting layers. The bending angles and the output force of the tail ends of the near-end jointdriver and the far-end joint driver can be changed by changing the input air pressure in the near-end joint driver and the far-end joint driver respectively, and then two-degree-of-freedom movement is achieved. The rigid connecting pieces and the joint drivers are integrated, so that multi-degree-of-freedom movement can be realized. The rigid-flexible composite driver can be applied to the fieldsof multi-degree-of-freedom dexterous hands, hand function rehabilitation robots, wearable equipment and the like.
Owner:BEIHANG UNIV
Ultrasonic vibration grinding removal amount on-site detection device
ActiveCN109352431BRealize multi-degree-of-freedom motionSimple structureGrinding carriagesGrinding drivesEngineeringUltrasonic vibration
The invention relates to an ultrasonic vibration grinding removal amount in-place detection device. The device comprises a base, a Y-axis moving mechanism, an X-axis moving mechanism and a tiltable measurement mechanism, wherein a triangular and rectangular combined sliding guide rail is arranged on the upper surface of the base, the triangular and rectangular combined sliding guide rail is connected with the Y-axis moving mechanism in a fit mode, a Y-axis moving platform of the Y-axis moving mechanism and the upper surface of the base are in sliding contact through a triangular and rectangular combined sliding groove and the triangular and rectangular combined sliding guide rail, the upper surface of the Y-axis moving platform is connected with the X-axis moving mechanism, and the front end of an X-axis sliding rod of the X-axis moving mechanism is connected with the tiltable measurement mechanism. According to the device, the structure is simple, the operation is easy and convenient,the multi-degree-of-freedom motion of a measurement head screw can be realized, the high-precision measuring effect can be obtained, in-place detection of the machining removal amount of workpieces of different shapes, sizes and thicknesses can be effectively realized, the measuring accuracy and the flexibility of the grinding machining removing amount can be effectively improved, and the measuring accuracy and the measuring efficiency are improved.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
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