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Bone screw
ActiveUS20060084995A1Big cornerSuture equipmentsInternal osteosythesisBiomedical engineeringBone screws
A bone screw having a screw member possessing a threaded section and a head and a receiving part at the head end for receiving a rod to be connected to the bone screw is provided. The receiving part has on open first bore and a substantially U-shaped cross-section having two free legs provided with a thread. Furthermore, the receiving part has a second bore on the end opposite to the first bore whose diameter is greater than that of the threaded section and smaller than that of the head. On the bottom of the first bore a seat for the head is provided. In order that the screw member can be pivoted to at least one side by an enlarged angle, the edge bounding the free end of the second bore viewed relative to the axis of the first bore is of asymmetric construction.
Owner:BIEDERMANN TECH GMBH & CO KG
Numeral lock housing structure
Owner:YU CHUN TE
Numeral lock housing structure
InactiveUS20050044902A1Structural integrationBig cornerPuzzle locksPermutation locksTurn angleEngineering
A numeral lock housing structure including a lock housing composed of two halves mated with each other. Each of the halves is formed with at least one lateral face and a front face forward extending from the lateral face. Two edges of the front faces form two mating edges mated with each other. A corner section between the lateral face and the front face of at least one of the two halves is formed with at least one numeral wheel window. At least one numeral wheel is mounted in the numeral wheel window for controlling a lock bolt to lock / unlock the numeral lock. The numeral wheel window extends into the front face without crossing the mating edge thereof. Therefore, the mating edges of the two halves of the lock housing will not be slotted so that the structure of the front face of the lock housing is kept integrated. The numeral wheel is positioned between the lateral face and front face so that the numeral wheel has larger turning angle each time the numeral wheel is turned.
Owner:YU CHUN TE
Numeral lock housing structure
InactiveUS20050044900A1Easy to optimizeStructural integrationPadlocksPuzzle locksTurn angleTurning angle
A numeral lock housing structure including a lock housing composed of two halves mated with each other. Each of the halves is formed with at least one lateral face and a front face forward extending from the lateral face. Two edges of the front faces form two mating edges mated with each other. A corner section between the lateral face and the front face of at least one of the two halves is formed with at least one numeral wheel window. At least one numeral wheel is mounted in the numeral wheel window for controlling a lock bolt to lock / unlock the numeral lock. The numeral wheel window extends into the front face without crossing the mating edge thereof. Therefore, the mating edges of the two halves of the lock housing will not be slotted so that the structure of the front face of the lock housing is kept integrated. The numeral wheel is positioned between the lateral face and front face so that the numeral wheel has larger turning angle each time the numeral wheel is turned.
Owner:YU CHUN TE
Redundant drive five degrees of freedom parallel machine tool with large rotation angle
InactiveCN108161490AHigh positioning accuracySolve processing problemsProgramme-controlled manipulatorLarge fixed membersTurn angleFree form
The invention relates to a redundant drive five degrees of freedom parallel machine tool with a large rotation angle. The redundant drive five degrees of freedom parallel machine tool with the large rotation angle includes a fixed platform, a movable platform for installing a main shaft head and a first driving branch, a second driving branch, a third driving branch and a fourth driving branch forconnecting the fixed platform and the movable platform, the structures of the first driving branch and the second driving branch are similar, and the first driving branch includes a hooke hinge, a servo driving unit, a revolute pair and a compound sphere hinge; the third driving branch includes a hooke hinge, a servo driving unit and a compound sphere hinge, the fourth driving branch includes a revolute pair, a servo driving unit, a hooke hinge and a revolute pair, and the movable platform of a machine tool and the four driving branches are hinged to form a space closed-cycle parallel mechanism; and the three-dimensional translation and the two-dimensional rotation of the space can be achieved by controlling six servo motors to drive the four branches. The redundant drive five degrees offreedom parallel machine tool with the large rotation angle has the advantages that the branch structures are simple and compact, the orientation workspace is large, the flexibility is high, the rigidity is large, and the singular configuration can be prevented, and can be used for high-speed, high-precision and efficiency machining for free-form surface in complex space.
Owner:BEIJING JIAOTONG UNIV
Bridge support
InactiveCN106758792AMeet horizontal displacement requirementsMeet the requirements of large cornersBridge structural detailsEngineeringCorner angle
Owner:UNIV OF JINAN
Axle Assembly for a Vehicle with a Double Kingpin Hinge Arrangement
An axle assembly for a vehicle includes an axle having opposite axle ends and a pair of axle hubs. The axle assembly has a pair of double kingpin hinge arrangements, each including a first pivot pin connected with a respective one of the axle ends, a second pivot pin operatively associated with a respective axle hub, and a knuckle interconnecting the first pivot pin and the second pivot pin. At least one steering cylinder is associated with each double kingpin hinge arrangement. Each steering cylinder is interconnected between the axle and the knuckle or the axle hub.
Owner:BLUE LEAF I P INC
Visual characteristic defogging and image stabilizing detection system
ActiveCN108053382ARealize long-term stable trackingUniversalImage enhancementImage analysisVision basedImage stabilization
The invention relates to a visual characteristic defogging and image stabilizing detection system including the following modules and functions. First, image data is input into a fog feature analysisand enhancing module and an enhanced image and a correction parameter 1 are acquired through calculation. Second, the enhanced image is input to a multi-level parameter feedback control based object detection system module which calculates out the position of a to-be-detected object through detection and recognition and outputs a target displacement and a correction parameter 2. Third, an image stabilizing displacement calculating module outputs image stabilizing displacement to an image stabilizing flyback integrated control platform. Fourth, the image stabilizing flyback integrated control platform implements an image stabilizing function according to the image stabilizing displacement and adjusts sensor integral time according to the correction parameter 1 and the correction parameter 2. According to the invention, the system implements functions of visual characteristic analysis based defogging enhancement, photoelectric mechanical integrated image stabilization, detection, tracking and the like, achieves good definition, good stability and good accuracy and can be embedded into target detection systems of different types.
Owner:BEIHANG UNIV
Five-degree-of-freedom redundant driving parallel mechanism with large turning angle
InactiveCN110682274AEasy to adjustBig cornerProgramme-controlled manipulatorControl engineeringIndustrial engineering
The invention relates to a five-degree-of-freedom redundant driving parallel mechanism with a large turning angle. The mechanism comprises a fixed platform, an articulated moving platform, and a rotating mechanism; the fixed platform and the articulated moving platform are connected with each other through first, second, fifth and sixth driving branch chains; the fixed platform and the rotating mechanism are connected through third and fourth driving branch chains; the first, second, five, and sixth driving branch chains can drive the articulated moving platform to flip back and forth and translate left and right; and the linkage between the first, second, five, and sixth driving branch chains and the third and fourth driving branch chains can drive the articulated moving platform to moveup and down, rotate horizontally, and flip left and right. The mechanism has strong adjustment ability, large turning angle and high flexibility, and can perform local processing of super large and complex curved surfaces.
Owner:BEIJING JIAOTONG UNIV
Steering lighting device of front lamp refraction reflector for automobile
InactiveCN1775590AReduce traffic accidentsReduce and avoid traffic accidentsOptical signallingNight drivingEngineering
The invention discloses a turn illuminator of refracting reflector of automobile front lights, comprising refracting reflector, mirror frame, electric motor, gear, ratch, and electric motor circuit. The mirror frame with refracting reflector is installed on the automobile front face inside two front lights, a rack is arranged in back of the mirror frame, the gear is engaged with the rack, the gear is connected with the electric motor fixed on the automobile front face, the input and output terminals of the power supply for the forward rotation of the electric motor are connected with the anode and cathode of a storage battery in the electric motor circuit through control switches, respectively; the input and output terminals of the power supply for reverse rotation of the electric motor are connected with the anode and cathode of the storage battery through control switches, respectively. The invention improves the turning safety of night driving.
Owner:SHANGHAI INST OF TECH
Elliptical six-degree-of-freedom parallel connection mechanism
InactiveCN102189544ABig cornerProgramme-controlled manipulatorLarge fixed membersEllipseDegrees of freedom
The invention discloses an elliptical six-degree-of-freedom parallel connection mechanism which comprises six drive rods, a static platform and a dynamic platform, wherein the dynamic platform is connected to the static platform through the six drive rods; the drive rods are connected with the static platform through lower hinges and connected with the dynamic platform through upper hinges; the six lower hinges connecting the drive rods with the static platform are distributed on a circumference or an elliptical circumference; and the six upper hinges connecting the drive rods with the dynamic platform are distributed on an elliptical circumference. By arranging the hinge points between the dynamic platform and the drive rods, namely the upper hinges, on an elliptical circumference, the elliptical six-degree-of-freedom parallel connection mechanism enables the drive rods to obtain a relatively large turning angle in the direction of the major axis of the elliptical circumference.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Piezoelectric torque actuator based on planar two-level displacement enlargement mechanism and actuating method thereof
InactiveCN105429507AWith anti-electromagnetic interferenceSimple structurePiezoelectric/electrostriction/magnetostriction machinesElectromagnetic interferenceEngineering
The invention provides a piezoelectric torque actuator based on a planar two-level displacement enlargement mechanism and an actuating method thereof. The actuator comprises a shell, a planar two-level displacement enlargement mechanism, a piezoelectric stack and a torsion wheel, wherein the planar two-level displacement enlargement mechanism is placed in the shell; the piezoelectric stack is placed in the planar two-level displacement enlargement mechanism; the torsion wheel is mounted on the shell; the central hole of the torsion wheel sleeves an external diamond ring intermediate shaft of the planar two-level displacement enlargement mechanism; after the piezoelectric stack is powered up, the piezoelectric stack elongates, the short shaft direction of an external diamond ring is elongated, a flexible hinge rotates and deforms, the external diamond ring intermediate shaft rotates to drive the torsion wheel to rotate an angle, thus realizing the output angle displacement and torque function. The piezoelectric torque actuator disclosed by the invention has the characteristics of electromagnetic interference resistance, simple structure, low power consumption, large rotation angle, small size and light weight.
Owner:XI AN JIAOTONG UNIV
Circuit breaker
ActiveCN106571274AMeet miniaturization requirementsImprove breaking capacityContact driving mechanismsProtective switch operating/release mechanismsEngineeringCircuit breaker
The invention provides a circuit breaker, which comprises a moving contact, a static contact, a rotation shaft and an operation mechanism, wherein the moving contact can rotate around the rotation center of the rotation shaft relative to the static contact, and through contact or breaking between the moving contact and the static contact, connection or disconnection of the circuit is realized; the operation mechanism comprises an upper connection rod, a lower connection rod and a handle, the upper connection rod is set to rotate around one end of the upper connection rod under the driving effects of the handle, the other end of the upper connection rod is connected onto one end of the lower connection rod in a rotary mode through a connection rod hinging shaft, the other end of the lower connection rod is hinged with the rotation shaft, the rotation shaft can be driven to drive the moving contact to rotate, the working length of the upper connection rod and the working length of the lower connection rod, and the working length of the upper connection rod and the distance between the hinging point between the lower connection rod and the rotation shaft and the rotation center of the rotation shaft have predetermined proportion relationships, the rotation angle of the moving contact formed after the moving contact and the static contact are disconnected is larger than 30 DEG, and the purpose of improving the breaking ability of the circuit breaker is realized.
Owner:BEIJING PEOPLES ELECTRIC PLANT
Unidirectional rotating device for achieving large rotating angle and high torque
The invention relates to a unidirectional rotating device and belongs to the field of mechanical transmission. The unidirectional rotating device for achieving a large rotating angle and a high torque is characterized in that the unidirectional rotating device comprises a gear arranged in the middle, the two ends of the gear are each coaxially connected with a one-way bearing through a coupling part, the outer diameter of the gear is smaller than the outer diameter of each one-way bearing, and the two one-way bearings are stressed in the same direction; and the axis of the gear is hollow, a center connecting shaft of the two one-way bearings penetrates through the axis of the gear in a non-contact mode, and thus the two one-way bearings are coaxially connected. According to the unidirectional rotating device, through the structural form that the large-diameter one-way bearings are coaxially installed at the two ends of the small-diameter gear in the middle, excursion displacement is converted into large-rotating-angle rotating displacement through the small-diameter gear, the high torque is shared since the large-diameter one-way bearings at the two ends are stressed in the same direction, and thus large-rotating-angle and high-torque unidirectional rotation is achieved.
Owner:杨亦勇
a bridge support
InactiveCN106758792BMeet horizontal displacement requirementsMeet the requirements of large cornersBridge structural detailsEngineering
Owner:UNIV OF JINAN
Torsion vibration damper
InactiveCN101684849AAchieve vibration reductionGood damping propertiesRotating vibration suppressionYielding couplingEngineeringTorsional vibration
A torsional vibration damper (1) comprising two elements (4, 5) which are rotatable relative to one another making use of at least one coupling part (3) which is arranged axially displaceable in a housing (2), in which the housing (2) is divided by the coupling element (3) into a first pressure chamber / partial chamber (D1) and a second pressure chamber / partial chamber (D2), and the first pressurechamber (D1) is connected to a first damping chamber (12) and the second pressure chamber (D2) is connected to a second damping chamber (13) and the first pressure chamber (D1) is filled with a damping medium (10) and the first damping chamber (12) is filled with the damping medium (10) and / or a first damping element (14) and the second pressure chamber (D2) is filled with a damping medium (10) and the second damping chamber (13) is filled with the damping medium (10) and / or a second damping element (15).
Owner:ASTURIA AUTOMOTIVE SYST
Multimode steering mechanism
ActiveCN102343933AHigh steering precisionFlexible steeringMechanical steering gearsElectrical steeringVehicle frameSteering angle
The invention relates to a multimode steering mechanism, which comprises a worm and gear subassembly, a speed reducer and a motor, wherein the worm and gear subassembly is mounted on the bottom surface of a car frame supporting part; the speed reducer is mounted on a car frame or the worm and gear subassembly; the motor is mounted on the car frame or the speed reducer; an input shaft of the worm and gear subassembly is connected with an output shaft of the speed reducer; an input shaft of the speed reducer is connected with an output shaft of the motor; the worm and gear subassembly is provided with a steering sensor device which comprises a stop lever, a driving lever and a sensor; one end part of the stop lever is fixed on the bottom surface of the car frame supporting part; the other end part of the stop lever extends towards one side of the sensor; the lower part of the driving lever is fixed on an output shaft of the sensor; furthermore, the output shaft of the sensor can rotate along the self axial lead of the output shaft; and the upper part of the driving lever can be in sliding contact with the length direction of the other end part of the stop lever. The multimode steering mechanism has high steering precision, and is flexible to steer and convenient to repair, and the steering mechanism adopts a worm and gear structure, has a large steering angle, and is particularly applicable to a vehicle needing multimode steering.
Owner:SUZHOU DAFANG SPECIAL VEHICLE
Automatic charging device for intrinsic safety type inspection robot
PendingCN111245064ASimple structureAvoid damageBatteries circuit arrangementsPower-operated mechanismIntrinsic safetyControl engineering
The invention provides an automatic charging device for an intrinsic safety type inspection robot. The device comprises a door body opening and closing mechanism, a rail changing mechanism, a first circuit mounting box and a second circuit mounting box. A door body is arranged on one side of the box body; the door body opening and closing mechanism is arranged on one side, close to the door body,in the box body; a rotating arm of the door body opening and closing mechanism is hinged to the door body; a rail changing mechanism is arranged at the top in the box body; a conveying rail extends tothe inner side of the box body from the outer side of the box body; the first circuit mounting box and the second circuit mounting box are fixedly installed on the side wall, opposite to the door body, in the box body; a first guide rail of the rail changing mechanism is fixedly connected with the first circuit mounting box through a first charging connecting plate; a second guide rail of the rail changing mechanism is fixedly connected with the second circuit mounting box through a second charging connecting plate; a positioning sensor is arranged on the conveying rail; a controller is arranged on the box body; and the positioning sensor is in signal connection with the controller. The two robots can be charged at the same time, and space and time are saved.
Owner:TIANJIN HUANING ELECTRONICS
Independent steering device for rail-mounted four-wheel-drive electric automobile
PendingCN108516013ABig cornerSteering linkagesMechanical steering gearsDouble wishbone suspensionMotor drive
The invention belongs to the technical field of automobile steering devices and particularly relates to an independent steering device for a rail-mounted four-wheel-drive electric automobile. The independent steering device comprises an annular component, a main steering base frame and a hub assembly, wherein the main steering base frame is linked with the annular component in a sliding manner, amain steering mechanism is arranged on the main steering base frame, the main steering base frame can be driven to slide along the annular component by the main steering mechanism and is linked with the hub assembly through a damping assembly; and the hub assembly comprises an auxiliary steering mechanism and a rotatable hub, the hub is linked with the auxiliary steering mechanism, and the hub canrotate through the auxiliary steering mechanism. According to the independent steering device, the problems of independent steering, sensitivity and smoothness of the electric automobile are solved,the structures including a steering transverse tie lever, a steering node arm and the like of a traditional steering system are omitted, an auxiliary steering motor drives an auxiliary steering gear to drive a steering part so as to realize small steering of vehicle wheels, and the main steering motor drives the whole double wishbone suspension frame system to rotate so as to realize large steering.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Piston rotation type engine
InactiveCN105545464AIncrease output torqueWell mixedInternal combustion piston enginesPistonPower output
The invention discloses a piston rotation type engine. The piston rotation type engine comprises an arc-shaped air cylinder, a plurality of coupling cranks and two planetary gear mechanisms. The air cylinder is arranged in an engine body. An air inlet and an air outlet which are matched with each other are formed in the air cylinder and the engine body. Two piston sets are movably arranged in the air cylinder, and four pistons are evenly arranged on the outer circumference of each piston set. The piston sets are arranged in a spaced mode in the axial direction. The air cylinder is symmetrically divided into eight variable-volume working cavities by the piston sets. Gear rings of the planetary gear mechanisms are fixed to the engine body. According to the piston rotation type engine, the two piston sets rotate in the same arc-shaped air cylinder, and the planetary gear mechanisms are directly made to output power through connecting rods and the coupling cranks; the characteristics of a traditional engine and the characteristics of a rotor engine are brought into full play, so that gas expansion force is directly transmitted to an output shaft for power output; the pistons rotate in the air cylinder to act, and the number of times of acting is increased.
Owner:胡章地
Six-rod whole hinge double-row drive type double pendulum angle milling head
InactiveCN100443255CIncrease stiffnessImprove carrying capacityLarge fixed membersDrive shaftCoupling
Owner:SHANGHAI JIAOTONG UNIV
Piezoelectric-driven vacuum sealing micro-mirror
The invention discloses a piezoelectric-driven vacuum sealing micro-mirror, which is formed by sequentially connecting a substrate, a back cavity plate, an isolating layer, a structural layer and a front cavity plate from bottom to top, wherein a vacuum cavity is formed in the micro-mirror, and a movable part in the structural layer is located in the vacuum cavity; vibration of the movable part is generated in a vacuum environment, noise generated when the structure interacts with air is not generated, and meanwhile weak vibration in the structure cannot be conducted to the outside of the micro-mirror through the air due to the fact that the structure is in the vacuum environment; the structural layer of the micro-mirror comprises a single-axis form and a double-axis form which correspond to a single-axis micro-mirror and a double-axis micro-mirror respectively; and the micro-mirror is driven by piezoelectricity. The piezoelectric-driven vacuum sealing micro-mirror is prepared by adopting an integrated micro-nano manufacturing process, chip-level vacuum sealing is realized, noise is greatly reduced and even eliminated, and meanwhile, the chip is small in size, compact in structure and wide in application range.
Owner:XIAN CHISHINE OPTOELECTRONICS TECH CO LTD
Angle-adjustable LED floor lamp
InactiveCN111664379ABig cornerHeight adjustableLighting support devicesSemiconductor devices for light sourcesStructural engineeringLED lamp
The invention discloses an angle-adjustable LED floor lamp. The LED floor lamp comprises a base, a fixed outer rod and a fixed inner rod are arranged above the base, a height adjusting structure is arranged between the fixed outer rod and the fixed inner rod, a connecting bent rod is arranged above the fixed inner rod, a connecting block is arranged between the fixed inner rod and the connecting bent rod, the connecting bent rod is movably connected with a hanging rod through an angle adjusting structure, a lampshade is arranged at the tail end of the hanging rod, and an LED lamp is arranged in the lampshade. The angle-adjustable LED floor lamp belongs to the field of floor lamps, the rotating angle of the lampshade is larger through the angle adjusting structure, a connecting ball on thehanging rod is fixed through a second fixing bolt, the height of the floor lamp is adjusted through the height adjusting structure, a power plug is stored through a take-up structure, a storage rolleris fixed through the take-up structure, moving wheels can be exposed through a moving device, and moving is convenient.
Owner:绍兴上虞欧迪电器有限公司
Double-degree-of-freedom torque motor based on annular air gap
PendingCN111664139AReduce processing costsEasy to processServomotor componentsMultiple way valvesTorque motorEngineering
The invention discloses a double-degree-of-freedom torque motor based on an annular air gap. The double-degree-of-freedom torque motor based on the annular air gap comprises an armature with a rotating shaft arranged along a horizontal plane, wherein the armature comprises two inclined wing surfaces which are arrayed by 180 degrees with an axis perpendicular to the horizontal plane and vertical upwards as a central axis; the two sides of the armature are symmetrically provided with a first yoke and a second yoke, the inner sides of the two yokes are arc-shaped, the outer sides of the two yokesare respectively wound with coils, and the inner side wall surfaces of the two yokes are respectively provided with inclined slots with the same inclination direction relative to the rotating shaft as the side ends of the adjacent inclined wing surfaces of the armature; the inclined wing side end of the armature is an arc surface, the inclined wing side end of the armature spans the inclined slots and forms four working air gaps with the two arc surfaces, divided by the corresponding inclined slot, of the first yoke and the two arc surfaces, divided by the corresponding inclined slot, of thesecond yoke; permanent magnets are respectively erected at the upper parts and the lower parts of the inner sides of the two yokes; and the upper ridge surface and the lower ridge surface of the armature are connected with spring rods, and the ball ends of the spring rods are movably inserted into ball sockets of spring top plates respectively.
Owner:ZHEJIANG UNIV OF TECH
A welding robot with no dead angle for welding
ActiveCN112077413BBig cornerWill not affect the effectMetal working apparatusSoldering auxillary devicesStructural engineeringMechanical engineering
Owner:YANCHENG INST OF TECH
Light and small unimorph stack-driven bidirectional rotary inertial actuator and actuation method
ActiveCN106911264BBig cornerImprove operational efficiencyPiezoelectric/electrostriction/magnetostriction machinesInterference fitActuator
Owner:XI AN JIAOTONG UNIV
Bridge support
ActiveCN107354864AIncrease heightDoes not increase heightBridge structural detailsStructural engineeringBlind hole
The invention discloses a bridge support which comprises a lower support plate, a steel liner plate and an upper support plate. A protruding part is arranged in the middle of a lower spherical surface. A first spherical crown protruding upwards is arranged at the top end of the protruding part, the steel liner plate is a second spherical crown with the upper surface being a cut plane, a central blind hole is formed in the middle of the crown part of the second spherical crown, the hole type of the central blind hole is a spherical hole and the central blind hole is provided with an upper spherical surface. The spherical surface of the crown part of the second spherical crown is matched with the lower spherical surface to form a first spherical surface friction structure. The upper spherical surface is matched with the first spherical crown to form a second spherical surface friction structure. The lower surface of the upper support plate is matched with the cut plane. The bridge support is strong in slipping capacity and high in stability.
Owner:山东龙祥新材料科技有限公司
Steel track welding platform with adjustable working surface
ActiveCN102658444BEven by forceBig cornerWelding/cutting auxillary devicesAuxillary welding devicesStructural engineeringWelding
Owner:哈焊所华通(常州)焊业股份有限公司
Six-rod whole hinge single-row drive type double pendulum angle milling head
The invention relates to a single bolt driving dual oscillating milling head. The No.1 controllable generator fixed with No.1 cylinder gear through No.1 coupler, No.2 cylinder gear fixed with the cover of the milling head cover, whose top cover and a pair of milling sleeve side cover fixed with the milling head sleeve, No.2 controllable generator installed on the bracket that fastened inside the milling head sleeve. Three pairs of linking brackets and two pairs of linkages set symmetrically at both sides of the electric main shaft of the milling head. The drive shaft fixes with the second controllable generator through the second coupler and fixed with the first pair of linking bracket. The first pair of linkage and the first pair of linking bracket or the second pair of linking bracket, the second pair of linkage and the second pair of linking bracket or the second pair of linkage and the third pair of linking bracket to form into rotating assistance respectively. The second and the third linking bracket connect to the milling head sleeve respectively, with the third linking bracket fixed with the main shaft of the milling head. It solves the issue of big size, low rigidity and poor bearing ability of the dual oscillating milling head.
Owner:SHANGHAI JIAO TONG UNIV
Electromagnetically Driven Micromirror with Bimetallic Coil
InactiveCN105866942BBig cornerHigh response frequencyOptical elementsShear modulusMetallic materials
The invention discloses an electromagnetic driving micro-mirror of a double-metal coil. A mirror surface assembly comprises a torsional mirror plate; the two sides of the torsional mirror plate are connected with a fixed framework through a torsional shaft respectively; a driving coil is wound around the torsional mirror plate; an input end lead wire and an output end lead wire are led out from the two sides of the driving coil respectively; the lead wires and the driving coil are two types of metal wires made of different materials; the thicknesses of the lead wires and the driving coil are adjustable. With the adoption of the manner, a double-metal material is used as the coil; a metal lead wire on the torsional shaft of the micro-mirror is made of a metal material with a smaller shear modulus, so that the rotary inertia of the torsional shaft can be reduced, and a rotary angle of the micro-mirror can be greater. The driving coil takes a metal material with smaller density as the coil, so that the weight can be reduced and the response frequency of the micro-mirror is improved; a ferromagnetic material is used and magnetic induction strength of the driving coil can be increased, so that the driving force is increased.
Owner:常州创微电子机械科技有限公司
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