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Combination bearing type large-specification movable elbow mechanism
PendingCN111594059ASimple structureReduce volumeDrilling rodsSealing/packingThrust bearingStructural engineering
The invention discloses a combination bearing type large-specification movable elbow mechanism. The combination bearing type large-specification movable elbow mechanism comprises elbows, connection heads, a pressing cover, a packing seal component and a rotating component, wherein positions between the elbows and the connection heads as wall as between the elbows are fixedly connected through thepressing cover and are sealed through the packing seal component, cavities are formed at the positions between pressing cover and the connection heads as wall as between the pressing cover and the elbows and are internally provided with the rotating component, the rotating component is used for relative rotating of the connection heads or the elbows and comprises a centripetal bearing and a thrustbearing, and the elbows and the connection heads as wall as the elbows are flexibly connected. The combination bearing type large-specification movable elbow mechanism has the beneficial effects thatthe combination bearing type large-specification movable elbow mechanism is flexible in connection, smooth in rotating, simple in structure, not limited by the pipe diameter, also not limited by theelbow structure molding method, small in volume and diversified in molding method.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
Flange connection device
PendingCN107883091AGuaranteed pressure bearing capacity and safety performanceImprove efficiencyFlanged jointsPhase rotationEngineering
The invention provides a flange connection device. The flange connection device comprises a first connector and a second connector. The first connector is connected with the second connector, a rolling device is arranged between the first connector and the second connector, and the first connector and the second connector can freely rotate around the center axis by 360 degrees. According to the flange connection device, the connected connectors can rotate flexibly and conveniently, and the risks of sliding, cracking and pipe body cracking caused by too high pressure of an inner cavity, too large local stress, rotation clamping stagnation and other reasons are avoided.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH
Rail type intelligent machine transporting truck
InactiveCN102658542AReduce physical laborIncrease the itineraryStorage devicesManipulatorVehicle frameTruck
The invention discloses a rail type intelligent machine transporting truck, comprising a frame, idler wheels located on the frame, a storage box located at the top of the frame, a supporting board, a lifting mechanism connected between the supporting board and the frame, a primary rotation board, a primary rotation mechanism connected between the primary rotation board and the supporting board, a primary translation board, a primary translation mechanism connected between the primary translation board and the primary rotation board, a secondary rotation board, a secondary rotation mechanism connected between the secondary rotation board and the primary translation board, a secondary translation board, a secondary translation mechanism connected between the secondary translation board and the secondary rotation board, and an executing mechanism connected on the secondary translation board, wherein a storage box is placed in the storage box. The rail type intelligent machine transporting truck provided by the invention replaces the conventional manual goods carrying manner, so that the human labor is reduced, and the production efficiency is improved. With the adoption of the two levels of rotation mechanisms and the two levels of translation mechanisms, the rail type intelligent machine transporting truck can expand the journey and increase the freedom degree. The rail type intelligent machine transporting truck can check more goods due to the vehicular storage box, so that the working efficiency is improved.
Owner:SHANGHAI DIANJI UNIV
Spatial six-degree-of-freedom vibration measuring and damping vibration attenuating method
InactiveCN102628728AStrong impact resistanceSimple structureNon-rotating vibration suppressionVibration testingVibration controlMeasurement point
The invention discloses a spatial six-degree-of-freedom vibration measuring and damping vibration attenuating method. The method comprises the following steps of: 1) erecting six-displacement-sensor parallel measuring and damping vibration attenuating mechanism; 2) fixing a detected motion object and a fixed platform; 3) obtaining a motion variation rule by using an expansion variation displacement time of an expansion pull rod, and obtaining a vibration rule of the detected motion object by using a measurement algorithm with a positive solution; 4) obtaining a damping value of a six-degree-of-freedom controllable damper required by the vibration by using a damping vibration attenuating algorithm; and 5) adjusting the damping value of the six-degree-of-freedom controllable damper to a value obtained by the damping vibration attenuating algorithm. According to the invention, six-degree-of-freedom measurements of three vibration displacements and three vibration angles of the motion object at the same measurement point are achieved by using one set of mechanism; meanwhile, the vibration control of the motion object can be achieved; and the spatial six-degree-of-freedom vibration measuring and damping vibration attenuating method disclosed by the invention has the advantages of high accuracy, simple structure, good flexibility, strong adaptability, wide application range and the like.
Owner:LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS +1
High speed automatic tin-plating machine
InactiveCN103834891ACompact structureNovel and reasonable designHot-dipping/immersion processesControl systemTin plating
The invention discloses a high speed automatic tin-plating machine which comprises an unreeling mechanism, a tin-plating mechanism, a driving and cleaning mechanism, a storage mechanism, a reeling mechanism and a control system sequentially arranged, wherein the unreeling mechanism comprises an unreeling frame, a paying off swing rod, an unreeling transitional wheel, an unreeling belt wheel, a tension adjusting wheel and an unreeling motor; the tin-plating mechanism comprises a tin-plating frame, an acidifying box, an acidifying transitional wheel frame, a solder machine, a pinch roller, a wind knife assembly and an air flue frame; the driving and cleaning mechanism comprises a cleaning frame, a cleaning agent groove, a cleaning transitional wheel bracket, a thickness measuring assembly and a traction assembly; the storage mechanism comprises a storage frame, a fixed wire storage wheel set, a mobile wire storage wheel set and a tension detection mechanism; the reeling mechanism comprises a reeling frame, a reeling guide rail bracket, a vertical wiring device and a horizontal wiring device. The high speed automatic tin-plating machine disclosed by the invention is novel and reasonable in design, ensures the quality and efficient production of tin-plating welding strips, is high in working reliability, better realizes continuous, efficient, high-quality and low-cost tin plating, and is convenient to popularize and use.
Owner:THE NORTHWEST MACHINE
Single-action double-pipe coring overburden drill tool for air down-the-hole hammer
InactiveCN104295232AEliminate disadvantagesReduce frictional resistanceBorehole drivesCore removalBall bearingGeological survey
The invention relates to a single-action double-pipe coring overburden drill tool for an air down-the-hole hammer. The single-action double-pipe coring overburden drill tool comprises a central coring drill tool and an overburden drill tool. The central coring drill tool is a single-action double-pipe coring drill tool and comprises a single-action vibration reduction mechanism, an inner pipe adjusting mechanism and a coring mechanism with a bayonet device; the single-action vibration reduction mechanism comprises an impact connector, a disc spring, a bearing block, a connecting shaft, a thrust ball bearing and a radial ball bearing; the inner pipe adjusting mechanism comprises a connecting shaft, a core pipe connector, an inner pipe and a nut; the coring mechanism with the bayonet device comprises an outer pipe, an inner pipe, a connecting shaft, a core pipe connector, a coring drill bit, a rolling needle, a pawl spring seat and a pawl spring; the overburden drill tool comprises a casing, a casing connector, a casing shoe, a clamp ring and a casing drill bit. The single-action double-pipe coring overburden drill tool for the air down-the-hole hammer is applicable to relevant fields such as geological mineral exploration and engineering geological survey for complex formation with loose sand, cobbles, gravel, fracture, breakage and the like.
Owner:江苏省南京工程高等职业学校
Mini-type soft modularized reconfigurable robot unit module
ActiveCN104942790AMany types of combinationsEasy to combineProgramme-controlled manipulatorGear driveShape-memory alloy
The invention belongs to the technical field of robots, and provides a mini-type soft modularized reconfigurable robot unit module. The mini-type soft modularized reconfigurable robot unit module comprises a steering mechanism, a driving mechanism, a supporting mechanism, a driving connecting mechanism and a driven connecting mechanism. The steering mechanism comprises a front steering panel, a rear steering panel and four shape memory alloy (SMA) silks. The driving mechanism comprises a front driving panel, a rear driving panel, a direct current motor, a gear driving reducing mechanism, a worm, a swing link, two guide columns and a rear cover. Shape memory alloy is used for a steering driver for the robot unit module, by coordinately controlling the four shape memory alloy silks, the steering mechanism can be flexible or bent towards the random direction, the mechanisms can reach the most positions in the working space, a single module can flexibly and stably move and rotate on the ground in a straight mode, and multiple modules can be regularly assembled into a mechanical snake or a mechanical arm.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY
Device for performing incremental launching construction on bridge by using multi-roller sliding ways and construction method thereof
ActiveCN101818481AMeet the needs of climbingReduced longitudinal stiffness requirementsBridge erection/assemblyEngineeringSteel box girder
The invention discloses a device for performing incremental launching construction on a bridge by using multi-roller sliding ways and a construction method thereof. The device comprises a drawing part and a sliding part, wherein the drawing part comprises jack reaction supports, centre hole jacks, steel stranded wires, fixed end clampers, steel box girder reaction seats and an oil pump; the jack reaction supports are fixed on two sides at a predetermined position of a steel box girder of a structural pier; the centre hole jacks are arranged on the jack reaction supports; one end of each steel stranded wire is fixed with corresponding centre hole jack, while the other end is fixed on the corresponding steel box girder reaction seat through the corresponding fixed end clamper; and the sliding part comprises the multi-roller sliding ways fixed on the structural pier and a temporary pier in pairs, and further comprises a railway foundation and a steel guide way which are paved on a platform foundation, and a girder-transporting track run on the steel guide way. The device utilizes the mechanical characteristics of a roller structure so as to reduce requirements on the longitudinal rigidity of the temporary pier, satisfying needs on the climbing of vertical curves in the incremental launching process and greatly accelerating the incremental launching construction process.
Owner:BEIJING URBAN CONSTR ROAD & BRIDGE GROUP +1
Dual chain ring driving knotting machine
ActiveCN104823607AGuaranteed machining accuracyReduce manufacturing difficultyHarvestersConductor CoilNon orthogonal
The present invention belongs to the technical filed of straw or forage harvesting and bundling, especially a dual chain ring driving knotting machine which includes a small chain ring, a knotting machine support, a large chain ring, a knife arm, a winding, buckling, clamping and occluding mechanism R, a rope clamping machine J and a rope clamping machine drive mechanism Q. The small chain ring and the large chain ring are coaxially mounted at both ends of the knotting machine support; the rope clamping machine drive mechanism Q and the winding, buckling, clamping and occluding mechanism R are mounted at different sides of the knotting machine support; in the knotting machine support, a knotting mouth shaft hole shaft axis d presents non-orthogonal concurrent axis arrangement with a knotting machine main shaft axle hole shaft axis a, a worm shaft axle hole shaft axis c presents perpendicular concurrent axis arrangement with the knotting machine main shaft axle hole shaft axis a, a knife arm shaft axle hole shaft axis b presents space orthogonal arrangement with the knotting mouth shaft hole shaft axis d, the knife arm shaft axle hole shaft axis b, the rope clamping plate shaft hole shaft axis e and the knotting machine main shaft axle hole shaft axis a are arranged space perpendicularly to each other; the dual chain ring driving knotting machine has reasonable structure, is easy for processing and assembling, and has low manufacturing cost, and reliable knotting characteristics.
Owner:泰州市力鼎机械设备有限公司
Apparatus for driving optical-reflector for ois with multi-axial structure
ActiveUS20180239161A1Minimized in sizeImprove space utilizationProjector focusing arrangementCamera focusing arrangementMechanical engineeringOptical image
An apparatus for driving an optical-reflector for optical image stabilization (OIS) with a multi-axial structure includes a support frame having a first groove rail formed therein, an optical-reflector disposed on the support frame to reflect light to a lens, a middle frame having a first guide rail corresponding to the first groove rail and a second groove rail formed therein, a base frame having a second guide rail formed corresponding to the second groove rail, a first ball disposed between the first groove rail and the first guide rail, a second ball disposed between the second groove rail and the second guide rail, a first driving unit configured to move the support frame in a first direction on the basis of the middle frame, and a second driving unit configured to move the middle frame in a second direction, different from the first direction, on the basis of the base frame.
Owner:JAHWA ELECTRONICS
Handheld dust collector
The invention relates to a handheld dust collector. The handheld dust collector comprises an air suction short tube; a cyclone separation device; a suction motor device, wherein the suction motor device is used for generating a vacuum suction force at the air suction short tube, and the suction motor device is positioned at the rear side of the upper part of the cyclone separation device; a horizontal connecting component, wherein the horizontal connecting component is positioned between the upper part of the cyclone separation device and the suction motor device; a battery pack; and a handle,wherein the handle comprises an upper end part, a lower end part and a handle body between the upper end part and the lower end part, the handle body is provided with a handle center line, the lowerend part of the handle is adjacent to the battery pack, the upper end part is connected with the horizontal connecting component, and the handle center line simultaneously passes through the horizontal connecting component and the battery pack. The scheme is capable of, through enabling the upper end part of the handle to be installed on the horizontal connecting component between the suction motor device and the cyclone separation device, enabling the gravity centers of the cyclone separation device positioned at the front side and the suction motor device positioned at the rear side to be symmetrically distributed at the front and rear sides of the handle as possible, so hands are not strenuous and can be more flexibly rotated while the dust collector is operated by a user.
Owner:SUZHOU EUP ELECTRIC CO LTD
Solar automatic tracking system
InactiveCN101521478AIncrease power outputImprove power generation efficiencyPhotovoltaic supportsPhotovoltaic energy generationEngineeringSolar power
The invention discloses a solar automatic tracking system comprising hardware which has a smart structural design with single-axle scaly solar panels (1) and a universal joint bearing seat (5), and the solar automatic tracking system is suitable for a shaft support with multiple pillars, is mounted in complex hilly lands, has down-moved gravity of the support and flexible turning and enables the system to adopt a single-axis tracking system to establish a solar power station in bumpy hilly lands, thereby ensuring that the solar panels always obtain solar radiation energy as much as possible in the hilly lands, enhancing the tracking efficiency, effectively improving the anti-wind capability of the hardware, reducing the material breakage brought by windage resistance and strengthening the security and the adaptability. With a unique shadow elusion system processing function, the system prevents the solar panels on a stand from generating energy degradation because of being sheltered from mutual shadows and enables the solar panels to obtain the greatest energy output, thereby not only improving the solar electrical energy generation efficiency greatly, but also enhancing the adaptability of the solar tracking system and saving the limited resources by saving occupied space about 50 percent compared with the prior solar tracking system.
Owner:昆明绿电科技(集团)有限公司
Device for assembling and welding fan casing combined piece
ActiveCN107803619AReduce the number of peopleReduce weightWelding/cutting auxillary devicesAuxillary welding devicesEngineeringAngular direction
The invention discloses a device for assembling and welding a fan casing combined piece. The device comprises a body assembly, a gas protecting assembly and a positioning assembly; the body assembly comprises a hollow disk; a plurality of bosses used for supporting a casing are arranged on the periphery of the hollow disk; the positioning assembly comprises a casing positioning assembly used for positioning the axial direction, the angular direction and the circle center of the casing, an inner ring positioning assembly used for positioning the axial direction, the angular direction and the circle center of an inner ring, a blade boss positioning assembly used for positioning the angular direction of blades, and a blade axial direction positioning assembly; the blade axial direction positioning assembly is arranged on the inner side of the hollow disk, and comprises a hinge plate; one end of the hinge plate is hinged to an overturning base, and the other end of the hinge plate is connected with a positioning block in a sliding manner; a first pressing device is fixedly arranged on the hinge plate; and a pressing head of the first pressing device is fixedly connected with the positioning block. The device is convenient to operate, fast and capable of saving labor, reducing the number of operators, and making blade welding kept consistent.
Owner:AECC AVIATION POWER CO LTD
Multimedia collecting device and method
InactiveCN103581606AFlexible rotationExpand collection rangeTelevision system detailsTelevision conference systemsComputer scienceSpeech sound
The invention discloses a multimedia collecting device and method, and belongs to the field of multimedia. The device comprises an audio collecting unit, an audio analyzing unit and a video synchronizing unit. The audio collecting unit comprises at least four collecting channels and is used for collecting audio signals given out by a speaker. The audio analyzing unit is used for carrying out matching analysis on the characteristic quantity in collected audio signals of the speaker in a preset voice model and locating the position information of the speaker in real time. The video synchronizing unit is used for adjusting a camera in real time according to the position information of the speaker, and thus the camera is made to collect video signals containing the speaker. According to the multimedia collecting device and method, detection and collection are carried out on an external sound field through the at least four channels, the obtained current speaker in the sound field is tracked based on the voice model, the relative position of the speaker is obtained, and the camera is adjusted in real time to carry out the synchronous collection of audios and videos. Furthermore, the four collecting channels are arranged in balance, the camera can rotate flexibly, the range of audio collection is enlarged through the multiple channels, and thus the audios with stereo effect quality are collected.
Owner:北京维鲸视界科技有限公司
Method for accurately arranging positions and postures of rice seeds
InactiveCN101796904AHigh precisionLow costSeed depositing seeder partsRegular seed deposition machinesVibration amplitudeEngineering
The invention relates to a method for accurately arranging positions and postures of rice seeds, belonging to the field of seeding machinery. A flexible annular seed discharging belt of which the surface is provided with a recess is tightened on a plurality of wheels; seeds are partially positioned on the seed discharging belt, and the positioned parts of the seeds are vibrated to enable the seeds to slide into the recess; and the other parts of the seed discharging belt are not vibrated or have small vibration amplitude. When the seed discharging belt rotates along with the wheels, the arranged seeds are transferred to the parts which are not vibrated or have small vibration amplitude; a seed discharging device capable of determining quantities, positions and postures, which is used as aneedle aspiration type seeding machine, or a flexible seed protecting belt (or a flexible carrier) is tightly attached to the parts which are not vibrated on the seed discharging belt, and the seeds are pressed into the recess and synchronously move along with the seed discharging belt; and when the seeds move to the lower part of the seed discharging belt, the seeds are separated from the seed discharging belt and are transferred onto a seeding carrier.
Owner:程向清
Surgical robot
ActiveCN102764156AImprove reliabilityFlexible rotationDiagnosticsSurgical robotsSurgical robotRotational degrees of freedom
A surgical robot comprises a support, a linear movement unit, a first rotation joint, a first connecting rod, a second rotation joint, a second connecting rod, a third rotation joint, a third connecting rod and a terminal rotation joint and include a movement degree of freedom and five rotation degrees of freedom. Rotation axes of a fourth rotation joint and a fifth rotation joint of the terminal rotation joint are orthogonal, so that after the first rotation joint, the second rotation joint and the third rotation joint of the surgical robot are adjusted in place, the terminal rotation joint further can rotate flexibly, and flexibility of the surgical robot is high. Rotation axes of the first rotation joint and the second rotation joint of the surgical robot are perpendicular to the ground, influence to the surgical robot due to gravity can be reduced, and the reliability of the surgical robot is improved.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
Multilayer independent rotating type manual reel
ActiveCN100999293AEasy loading and unloadingFlexible rotationFilament handlingOptical axisAxial load
The present invention discloses a multilayer independent rotary band-operated paying out frame. It includes shaft, pedestal base stand and cable reels. The shaft is fixed on the pedestal base stand, the supporting ring is cover-mounted on the shaft, and is contacted with pedestal base stand. Several cable reels are cover-mounted on the shaft and superposition placed, between inner sleeve and outer sleeve of every cable reel the upper and lower two bearings are mounted, top portion is the bearing for bearing radial load, and the bottom portion is the bearing for bearing axial load, said inner sleeve and shaft can implement gap fit, and the outer sleeve is fixed with spoke rib, and the spoke rib is fixed with outer ring.
Owner:DONGFANG TURBINE CO LTD
Automobile engine piston and cylinder block assembly system based on industrial robot and method thereof
ActiveCN105499953AFlexible rotationEasy maintenanceProgramme-controlled manipulatorMetal working apparatusControl signalPiston ring
The invention discloses an automobile engine piston and cylinder block assembly system based on an industrial robot and a method thereof. The automobile engine piston and cylinder block assembly system based on the industrial robot comprises a robot, a camera, a manipulator claw, a cylinder block assembling device, a computer module and pistons. The method comprises the steps of recognizing the pistons by virtue of the camera, obtaining the positions of the pistons according to characteristics by utilizing the computer module, controlling the robot, grabbing the pistons by virtue of the manipulator claw, and assembling the pistons into a cylinder block of an automobile engine. Four pistons subjected to connecting rod assembly are arranged on an iron stand platform side by side, and the manipulator claw is arranged at the tail end of an industrial robot and is used for grabbing the pistons, clamping a piston ring and carrying out piston assembling. The camera is arranged at the front end of an arm and is used for recognizing and positioning the pistons and the cylinder block on the cylinder block assembling device. The computer module is connected with the robot, the camera, the manipulator claw and the cylinder block assembling device by virtue of signal lines and is used for realizing data processing and transmission of control signals. The automobile engine piston and cylinder block assembly system based on the industrial robot and the method thereof can accurately and efficiently realize automatic assembling of the pistons and the engine cylinder block.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Foldable mobile terminal
PendingCN110324439AFlexible rotationAvoid damageDetails for portable computersTelephone set constructionsEngineeringMechanical engineering
Owner:BOE TECH GRP CO LTD +1
Rotor craft safe capturing device and method
ActiveCN106516145AReduce operational complexityEasy to implementArresting gearMechanical engineeringOptical alignment
Owner:WUHAN UNIV OF TECH
Sealing device of collecting ring
The invention discloses a sealing device of a collecting ring. The sealing device comprises a stator and a rotor, wherein an upper end cover and a lower end cover are respectively arranged at the upper end and the lower end of the stator; the rotor comprises a hollow rotating shaft, a rotating shaft sleeve, a lower rotor and an upper rotor; the lower rotor is connected with the upper rotor through a connecting piece of adjacent ends; the upper end cover is rotatably connected with the upper rotor through an upper bearing, and forms a water seal structure with the upper rotor through an upper oil seal; the lower end cover is rotatably connected with the rotor sleeve below the lower rotor through a lower bearing, and forms a water seal structure with the rotor sleeve below the lower bearing through a lower oil seal; a wiring trough which is used for laying rotor leads is arranged on the upper rotor along the axial direction; an upper sealing line plug is arranged between the wiring trough and the rotor leads; a lead outlet of a stator lead is formed on the lower end cover; and a lower sealing line plug is formed between the lead outlet and the stator lead. The sealing device of the collecting ring for music fountain is excellent in safety, convenient for repairing and maintenance, flexible to rotate, excellent in conductive effect, and long in service life.
Owner:许杭旭
Hardware polishing machine
The invention discloses a hardware polishing machine. The hardware polishing machine comprises a polishing box. The top of the polishing box is fixedly connected with a motor box. The bottom of the inner wall of the motor box is fixedly connected with a first motor. A rotary shaft of the first motor is fixedly connected with a belt wheel through a coupler, and the belt wheel is in transmission connection with a rotating wheel through a belt. The rotating wheel is fixedly connected with a rotating shaft. A second motor is arranged inside a polishing device of the hardware polishing machine and can automatically drive a polishing block to rotate so as to polish a hardware product, manual polishing is avoided, and the working efficiency is improved. A movable shaft is of a spherical structure and can rotate flexibly, so that the hardware product needing to be polished is polished in all directions. A drawer can collect and process scraps generated after polishing in a unified mode and prevent the scraps from flying around, so that the health of workers is protected, and the situation that the flying scraps pollute the environment is prevented.
Owner:无锡梦舟实业有限公司
Wood nondestructive testing device capable of conducting imaging in real time at any angle
InactiveCN103792244AOvercome limitationsImprove clarityMaterial analysis by transmitting radiationSlide plateTest object
The invention discloses a wood nondestructive testing device capable of conducting imaging in real time at any angle to solve the problems that due to the fact that an existing testing device can not test a tested object at any angle and can usually test the object only in the two-dimensional plane, time for collecting images is long, definition is low, and the images can not be timely and coherently obtained, and relates to a wood testing device. According to the wood nondestructive testing device, two supports are vertically arranged in parallel, a slide rail is located between the two supports, a loading trolley is arranged on the slide rail in a slidable mode, radial moving sliding plates are arranged on the inner side walls of the two supports in a slidable mode, a swing adjusting motor is fixedly installed on the radial moving sliding plates, one end of an extension arm is connected with the swing adjusting motor, the other end of the extension arm is connected with a supporting arm through a rotating adjusting motor, the two ends of the supporting arm are respectively connected with a movable hinged joint, and a supporting rod is arranged on each hinged joint, and a ray transmitter and a receiver are fixedly arranged at the lower ends of the supporting rods respectively. The wood nondestructive testing device is used for testing wood.
Owner:NORTHEAST FORESTRY UNIVERSITY
Method for preparing sodium alginate/ chitosan sustained-release microcapsule by external gelation
InactiveCN101239052AEasy to prepareGood spherical shapePharmaceutical delivery mechanismPharmaceutical non-active ingredientsCalcium EDTADispersed media
The invention discloses a method for emulsionizing outer gelation and preparing sodium alginate / chitosan slow release micro-capsule in one step. The current preparation method of calcium alginate gel by internal gelation has defects that small parts of the calcium salt granules cannot be richly reacted with glacial acetic acid and remained in the sodium alginate calcium beads, the encapsulization materials are easily lost and the wrapping rate is low due to the calcium salt is difficult to evenly disperse. The invention uses the sodium alginate liquor as the disperse phase, the edible plant oil as the disperse medium and the sorbitan monooleate as the surfactant to emulsionize small liquid drops wrapped with oil; calcium chloride chitosan liquor is used for initiating the gelation reaction of the sodium alginate so as to generate sodium alginate / chitosan slow release micro-capsule; the oil remained on the surface is eliminated by a oil removing device with precipitation self-drifting method. The invention elevates the micro-capsule medicine contents and the wrapping rate.
Owner:ZHEJIANG CHINESE MEDICAL UNIVERSITY
Incremental electro-hydraulic digital flow control valve with double valve cores rotating oppositely
InactiveCN103438243AFast dynamic responseIncrease the opening areaOperating means/releasing devices for valvesMultiple way valvesElectro hydraulicEngineering
Owner:HUAIHAI INST OF TECH
Light two-freedom-degree camera stabilized platform device
ActiveCN103792957AQuick responseHigh precisionControl using feedbackCommunication interfaceMotor drive
The invention discloses a light two-freedom-degree camera stabilized platform device. A stabilized platform base frame (4) is connected with an air vehicle, and a transversely-rolling frame (1) and a pitching frame (2) rotate around an X axis and a Y axis respectively; a stabilized platform is corrected by double loops, a speed ring is used as the inner ring, and a position ring is used as the outer ring. Horizontal plane dip angle data collected by an electronic level meter, angle information measured by a grating encoder (5) and angular rate information measured by an MSMS inertia measurement assembly are transmitted to a DSP module through a communication interface circuit, and PWM waveforms are output by a DSP and converted into voltage signals through a motor driving power amplifier plate to drive two servo motors to conduct the real-time adjustment on the gestures of the platform to keep stabilization of an object to be stabilized. The light two-freedom-degree camera stabilized platform has the advantages of being good in stability, high in accuracy, small in size, wide in adjustment scope and suitable for aerial photographing.
Owner:SOUTHEAST UNIV
Electric power distribution cabinet
InactiveCN106410636AEasy to move and labor-savingEasy to moveSubstation/switching arrangement cooling/ventilationSubstation/switching arrangement casingsElectric power distributionEngineering
The invention discloses an electric power distribution cabinet, which comprises a device base, wherein the lower part of the device base is provided with universal wheels, one side of each universal wheel is provided with a positioning bolt, the upper part of the device base is provided with a main turntable in a rotated manner, the upper part of the main turntable is provided with a group of supporting columns, one side of the device base is provided with a driving gear, a rotating rod is arranged on the driving gear, the driving gear is engaged with the main turntable, the upper parts of the supporting columns are connected with a lower box body, a box body slideway is arranged on the upper part of the lower box body, the box body slideway is in sliding fit with a sliding rail arranged at the lower part of an upper box body, the side parts of the upper box body and the lower box body are each provided with baffle plate slideways, heat radiating holes are formed in the side parts of the upper box body and the lower box body, and the baffle plate slideways are in sliding fit with baffle plates. The electric power distribution cabinet is convenient to move, can rotate flexibly, has good heat radiating and moisture-proof functions, can accommodate more power accessories, and has higher applicability.
Owner:STATE GRID CORP OF CHINA +1
Electronic expansion valve
ActiveUS8556229B2Flexible rotationOperating means/releasing devices for valvesEfficient regulation technologiesAxial forceEngineering
Embodiments of the invention provide an electronic expansion valve, including a magnetic rotor and a screw rod, and further including an output shaft. The magnetic rotor is surroundingly provided on the output shaft, and the output shaft is slidably connected to the screw rod in an axial direction and drivably connected to the screw rod in a circumferential direction. Since the output shaft is slidably connected to the screw rod in an axial direction and drivably connected to the screw rod in a circumferential direction, the magnetic rotor does not subject to an axial force transmitted by the screw rod and rotates flexibly.
Owner:ZHEJIANG SANHUA INTELLIGENT CONTROLS CO LTD
Rotatable machine gripper
InactiveCN103231384AFlexible rotationFlexible opening and closing controlProgramme-controlled manipulatorGripping headsLeft fingersGrippers
The invention discloses a rotatable machine gripper. A first worm gear motor and a second worm gear motor are fixedly arranged on the front side and the rear side between an upper base plate and a lower base plate respectively; a finger portion comprises a left finger and a right finger which are respectively formed by two parallelly arranged rotatable L-shaped pushing rods; a polygonal iron piece is fixedly arranged at one end of every L-shaped pushing rod; a rotation portion comprises a second back plate; and a third worm gear motor which is fixedly arranged on the second back plate is connected with the back of a first back plate. The rotatable machine gripper has the advantages of achieving 360 degree rotation of the machine gripper and being convenient to grab workpieces due to the worm gear motors and enabling rotation and opening and closing control of the machine gripper to be flexible and an extensible range to be large due to the facts that an opening and closing angle of the machine gripper is 160 degrees and the opening and closing degree is large.
Owner:ANHUI UNIVERSITY
Underwater cavitation cleaning device for propeller and use method thereof
InactiveCN109050823AConvenient underwater automatic cleaningCompact structureVessel cleaningHullsCavitationUnderwater manipulator
The invention relates to an underwater cavitation cleaning device for a propeller, comprising an underwater robot, wherein one end of the underwater robot is provided with an underwater manipulator, an output end of the underwater manipulator is provided with a cavitation cleaning device through a connecting device, a water pipe is penetrated into the underwater robot, and the water pipe is connected with the cavitation cleaning device; The cavitation cleaning device is structured as follows: including mounting brackets, the mounting bracket is formed into a frame-type structure, At one end ofthat mount bracket, shell is mount at that other end, A plurality of convex spherical surfaces are evenly spaced apart in the circumferential direction of the outer end surface of the housing, A central rotating body is installed in the middle of the casing, the central rotating body passes through the central hole of the casing and is fixedly connected with the casing through screws, a recoil nozzle is installed at one end of the central rotating body, the recoil nozzle is located in the mounting frame, and an abnormal nozzle is installed at the other end of the central rotating body. Work reliably.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
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