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128results about How to "Reduce mechanical structure" patented technology
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Ankle joint boosting method with reverse drivability
InactiveCN103356363AAchieving reverse drivabilityDoes not consume energyWalking aidsMotor driveEngineering
The invention discloses an ankle joint boosting method with a reverse drivability. The method is realized through a boosting mechanism adapting to gait, a reverse drivable mechanism and a gait detection mechanism, wherein a motor (1) of the boosting mechanism rotates according to a plantar-pressure variation signal transmitted by the gait detection mechanism so as to actively adapt to the gait process of human walking to actively boost ankle joints, playing a help role on a patient who is disabled to normally walk. Meanwhile, the motor drives the reverse drivable mechanism to act, so that unimpeded free foot activities are realized. The method can provide boost for the ankle joints and cannot constrain the initiative will of the human body, being the key of researches on lower limb rehabilitation and robots for helping the aged and the disabled. The method has the advantages of easiness in realization and high control precision.
Owner:WUHAN UNIV OF TECH
Serial-parallel structure stroke increasing distributed hybrid power system
InactiveCN107160995ASave layout spaceReduce control difficultyHybrid vehiclesGas pressure propulsion mountingPower batteryElectric machine
The invention relates to a serial-parallel structure stroke increasing distributed hybrid power system. The system comprises a drive unit, an energy unit and a control unit, wherein the energy unit and the control unit are connected with each other; the control unit is connected with the drive unit; the energy unit comprises a power battery pack and an engine; the drive unit comprises a first electric motor, a speed reducer, a first clutch and a second clutch; the engine and the first electric motor are connected through the first clutch; the first electric motor and the speed reducer are connected through the second clutch; the first electric motor is connected with the control unit; and the drive unit further comprises a left hub motor and a right hub motor which are connected with the control unit. Compared with the prior art, the serial-parallel structure stroke increasing distributed hybrid power system has the advantages that the speed reducer is arranged and replaces a gearbox, so that space is reduced; by the adoption of the hub motors, the transmission efficiency is improved, electronic active differential control of left and right rear wheels and cooperative control of the double clutches are achieved, and requirements for power of different running conditions are met.
Owner:TONGJI UNIV
Amphibious unmanned aerial vehicle based on duct vector propulsion
ActiveCN108725777AGood water and air performanceReduce mechanical structureSeaplanesJet aeroplaneAttitude control
The invention discloses an amphibious unmanned aerial vehicle based on duct vector propulsion. The amphibious unmanned aerial vehicle at least comprises a machine body system, an aircraft control system and a propulsion system, wherein a left dust fan (4) and a right duct fan (3) which are arranged at the two sides of the machine body through a cabin rod are added in the machine body system; a duct posture control instruction matched with the left duct fan (4) and the right duct fan (3) are added in the aircraft control system; the installation distance h of the duct fan on the machine body isa product of 30 percent and H; the H represents the machine body length. By controlling the output direction of the duct vector, the posture and the power of the aircraft are controlled; the navigation water inlet and water outlet and submerged navigation functions of the aircraft can be realized, so that the operation capability of the amphibious aircraft in the complicated meteorologic and strange hydrological environment can be improved.
Owner:BEIHANG UNIV
Starting and stopping method for two-wheel balanced electric swing car without optoelectronic switches
InactiveCN105966509AReduce weightReduce mechanical structureBicyclesPosition/course control in two dimensionsElectricityEngineering
The invention discloses a starting and stopping method for a self-balanced electric swing car. The starting and stopping method comprises the following steps that 1, after the self-balanced electric swing car is electrified, the angle value of pedals is detected through an attitude sensor on a control plate and is returned to controllers of the corresponding pedals; 2, when the positive-negative alternating times of the transmitted angle value are detected to exceed N through any controller, a balancing program is started through the corresponding controller; 3, the controllers controls the self-balanced electric swing car to go forward and backward; and 4, when the collected angle change value and a load current are smaller than the corresponding set threshold value within the time T, the self-balanced electric swing car is stopped normally. According to the starting and stopping method for the self-balanced electric swing car, the situation that a rider gets on or off can be judged through the method of software, accordingly, starting and stopping of the balancing program are controlled, and then dangerous situations are avoided, so that the driving safety is ensured.
Owner:INTELLIGENT MFG INST OF HFUT
Flexible steering drilling tool
InactiveCN112814568AImprove flexibilityImprove passabilityDrill bitsDrilling rodsWell drillingControl system
The invention discloses a flexible steering drilling tool, and relates to the technical field of drilling. According to the flexible steering drilling tool, the passing ability of the flexible steering drilling tool is improved through a flexible driving drilling column and a flexible driving control system, and the problem of well track control in a well with an extremely short radius is solved; by arranging a deflection guiding mechanism, the flexible steering drilling tool can drive a drill bit to deflect in the preset direction under the rotary drilling condition; drilling power transmission is achieved through a plurality of bearing short sections connected through universal transmission mechanisms; and the deflection guiding mechanism and an electric driving actuator are arranged in different functional short sections correspondingly and connected through the flexible transmission mechanisms, the length of a steering drilling section and the distance between the universal transmission mechanisms are decreased to the maximum extent, and the control problem of the flexible steering drilling tool is solved. According to the flexible steering drilling tool, drilling of the well with the short radius and the extremely short radius can be achieved, or steering drilling is continuously conducted through the well with the short radius and the extremely short radius.
Owner:万晓跃
Field-splitting microscope for realizing rapid zooming function of object lens
InactiveCN102109672AIncrease distanceReduce the impactMicroscopesPhotomechanical exposure apparatusExit pupilStraight pull
The invention relates to an alignment observation device which is applied to an exposure machine, in particular to a field-splitting microscope for realizing a rapid zooming function of an object lens. The field-splitting microscope consists of an object lens rapid-zooming device, an object lens system, an eye lens system and the like. The field-splitting microscope has the beneficial effects that the original field-splitting microscope is taken as a prototype, the operating distance of the lens and the distance between an eye-point exit pupil position and a working face are unchanged, the distance between the object lens and a reflector is increased, an object lens rapid-zooming mechanism is additionally arranged at the mounting position of the object lens, and the rotation part of the zooming mechanism is set into the form that the object lens locating surfaces of a lower turntable are positioned on the same horizontal plane; optimization design is carried out on an illumination system, and illuminating light and imaging light in a new light path are independently propagated in the horizontal direction; a steering structure of the light path is changed from an upright shape to a turning shape; and an eye-distance adjusting structure for the lens is changed from a straight-pull light-splitting structure to a rotary light-splitting structure. By utilizing the field-splitting microscope, the rapid zooming function of the object lens can be realized in the case of switchover between coarse alignment and fine alignment.
Owner:THE 45TH RES INST OF CETC
Improved aviation camera focusing system
InactiveCN103345100AReduced wiggle motion controlReduce control complexityTelevision system detailsColor television detailsAviationProcess module
The invention relates to an improved aviation camera focusing system. The system is composed of a lighting source, a collimating lens, a target, an objective lens, a reflector, a charge-coupled device, an image acquisition and processing module and a motion control module, wherein the collimating lens and the target are placed on a light beam line emitted by the lighting source, the connection line of the center of the reflector, the center of the objective lens and the center of the charge-coupled device serves as an optical axis, the optical axis is parallel to the light beam line emitted by the lighting source, the reflector, the objective lens and the charge-coupled device are placed on the optical axis in sequence, and the center of the target coincides with the center of the reflector; the image acquisition and processing module is connected with the charge-coupled device, and the motion control module is connected with the image acquisition and processing module; the target and the image acquisition and processing module are in the same plane, and the mirror plane of the reflector inclines by an angle relative to the perpendicular line of the optical axis. When focusing work is performed, the motion control module drives a focusing component of the objective lens to be used for achieving the focusing work; when imaging work is performed, the image acquisition and processing module acquires images formed on the charge-coupled device.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
Swivel hinge and portable terminal using the same
ActiveUS7356881B2Reduce mechanical structureIncreased reliability and endurancePin hingesMulti-purpose toolsEngineeringRotating hinge
A swivel hinge can have a first hinge section and a second hinge section coupled to the first hinge section to rotate in a direction perpendicular to the first hinge section. The first and second hinge sections can include first and second magnets configured to relatively position the first and second hinge sections with respect to each other. The swivel can include a stopper engagement section provided at one end of a second hinge shaft to rotate together with the second hinge shaft and a stopper having a surface facing a locking surface of the stopper engagement section to restrict rotation of the second hinge section. The stopper can allow the locking surface of the stopper engagement section to freely rotate when the first hinge section rotates by a predetermined angle. The swivel hinge can operate in a portable terminal.
Owner:LG ELECTRONICS INC
Short-radius drilling tool
PendingCN112267831ARealize the orientation functionShorten the lengthDirectional drillingStructural engineeringElectrical drive
The invention provides a short-radius drilling tool. The short-radius drilling tool comprises a guide drilling short section, a driving drill string and a driving control short section, the guide drilling short section comprises a guide short section and a drill bit, the guide short section comprises a bearing body, a deflection guide mechanism and an electric driving actuator are arranged on thebearing body, the drill bit is connected with the bearing body, the deflection guide mechanism can drive the drill bit to deflect in a preset direction, the driving drill string comprises a pluralityof bearing short sections which are sequentially connected from top to bottom, the bearing short section located at the lowest position is connected with the bearing body, every two adjacent bearing short sections are hinged through a bit pressure torque deflection transmission mechanism, the bearing short sections are hinged to the bearing body through the bit pressure torque deflection transmission mechanism, the driving control short section is provided with an electric driving actuator driving control circuit, and the electric driving actuator driving control circuit is electrically connected with the electric driving actuator through a jumper circuit. According to the short-radius drilling tool, the short build-up rate can be achieved, the length of the guide short section is effectively shortened, and then the directional drilling function can be achieved in a high-curvature borehole more easily.
Owner:万晓跃
Gear end face cleaning device
InactiveCN108262274APrevent splashClean upCleaning using toolsCleaning using liquidsBristleGear wheel
The invention discloses a gear end face cleaning device. The gear end face cleaning device comprises a bottom plate. A water leaking hole is formed in the bottom plate. A hydraulic station is fixed tothe upper end of the bottom plate. A water tank is fixed to the upper end of the hydraulic station. A water filler is formed in the side face of the water tank. A water pump is mounted in the water tank and connected with a water pipe. The water pipe is connected with a spray nozzle. The spray nozzle is fixed to the lower end of a first circular plate. A bristle brush is fixed to the lower end ofthe first circular plate. The first circular plate is fixed to a support. According to the gear end face cleaning device, a rotary plate of a base is arranged for rotation, the upper structure is prevented from rotating, a complex mechanical structure is omitted, thus, the structure is simpler, the manufacturing cost is lower, by forming through holes in a third circular plate, during cleaning, cleaning liquid can fall into a funnel in the lower portion directly, splashing of the cleaning liquid is prevented, meanwhile, the spray nozzle and the bristle brush are used for cleaned simultaneously, and the effect that the end face of a gear is cleaned more thoroughly is ensured.
Owner:张志通
Double-steering power cylinder hydraulic steering-by-wire system with steering feeling simulation function and method
InactiveCN107010106AReduce mechanical structureReduce volumeFluid steeringHydraulic control unitSteering wheel
The invention discloses a double-steering power cylinder hydraulic steering-by-wire system with a steering feeling simulation function and a method. The system is composed of a steering wheel unit, a hydraulic control unit, a steering execution unit and an electronic control unit. The steering wheel unit, the hydraulic control unit and the steering execution unit are sequentially connected. The electronic control unit receives data acquired by the steering wheel unit and a sensor in the hydraulic control unit and sends a control instruction to all valves of the hydraulic control unit after processing and analyzing are conducted, the steering execution unit is controlled to move through the hydraulic control unit, and steering feeling simulation is achieved. The method comprises the multiple steering modes of steering-by-wire, hydraulic power assisted steering, steering system outage failure steering, manual steering and the like. According to the double-steering power cylinder hydraulic steering-by-wire system with the steering feeling simulation function and the method, a double-motor structure in a traditional steering-by-wire system is omitted, the steering feeling simulation process and the steering execution process of the steering system are achieved through the hydraulic system, the number of mechanical structures of the system is small, and accordingly the system is small in size, simple in structure and easy to integrate.
Owner:JILIN UNIV
Vibrating high burn-out grate
InactiveCN101149152AReduce gapImprove combustion efficiencyRevolving grateTravelling grateCombustion chamberSlag
This invention is a vibrating high burnout grate. The fire bar is fixed at the grate surface. The grate is suspended on the furnace wall through steel wire and can move a little backwards. The air chamber in vibration device provides driving force for grate to move. The anterior end of grate is material feeding opening. The posterior end is slag-off opening. The superior end is combustion chamber. The inferior end is air chamber. This invention has high combustion efficiency and long life span.
Owner:刘沪滨
Oil and power mixed small unmanned helicopter and its power principle
InactiveCN103921936AReduce mechanical structureLow failure ratePower plant fuel tanksPower plant typeFailure rateElectricity
The invention provides a power principle of a small unmanned helicopter. Power sources of a primary rotor and a tail rotor are separately arranged to realize the relative driving independence of the primary rotor and the tail rotor in order to reduce a power transmission mechanism required by the respective driving of the primary rotor and the tail rotor by single power sources. The invention also provides an oil and power mixed small unmanned helicopter based on the principle. The oil and power mixed small unmanned helicopter comprises a fuselage frame and a tail tube, the tail tube is connected to the rear end of the fuselage frame, the oil and power mixed small unmanned helicopter also comprises an oil tank, an external battery and a small motor, the oil tank is installed on the side surface of the fuselage frame, the external battery is installed on the tail tube, and the small motor is installed at the tail end of the tail tube and is connected with the tail rotor. The oil and power mixed small unmanned helicopter combining an oil driving mode with an electric driving mode has the advantages of reduction of mechanical mechanisms, reduction of the failure rate, strong cruising ability, large carrying ability and high work efficiency.
Owner:WUXI HANHE AVIATION TECH
Barrel lid slow descending device, intelligent garbage can and control method thereof
PendingCN109230090AExtended service lifeReduce shockRefuse receptaclesWaste collection and transferElectrical controlEngineering
The invention provides a barrel lid slow descending device which comprises a mechanical control portion and an electrical control portion. The mechanical control portion comprises a speed reduction box, a barrel lid rotationally connected with the speed reduction box, and a torsional spring installed between the speed reduction box and the barrel lid. The barrel lid is provided with a rotating corner connector, and the rotating corner connector comprises a rotating end rotationally connected with the speed reduction box and a corner connector end fixedly connected with the barrel lid; the torsional spring is provided with a first torsional arm and a second torsional arm, the rotating center of the torsional spring is coaxially with a transmission output shaft of the speed reduction box, the first torsional arm is limited by the speed reduction box, and the second torsional arm is limited by the barrel lid; the electric control portion comprises a motor in transmission connection with the barrel lid and a main control device for controlling the motor to rotate forwards and reversely and achieve brake. The invention further provides an intelligent garbage can provided with the barrellid slow descending device and a control method thereof. The mechanical control and the electrical control over opening or closing are perfectly combined, rapid opening of the barrel lid can be achieved, the size of a mechanical portion can be lowered, the circuit structure can be simplified, and the cost is lowered remarkably.
Owner:SHANGHAI TOWNEW INTELLIGENT TECH CO LTD
Flexible peristaltic pump
ActiveCN104763620ASimple structureImprove reliabilityFlexible member pumpsPositive-displacement liquid enginesPeristaltic pumpEigenstrain
The invention provides a flexible peristaltic pump. The flexible peristaltic pump comprises a pump unit, a fixing unit and a connecting unit, wherein the pump unit is of a bag shaped structure manufactured through a driving film, comprising at least one opening channel through which liquid can flow in and out; a film prepared from an intelligent soft material can be externally excited to expand and contract under the eigenstrain so as to generate driving power for the peristaltic pump to pump in and pump out the liquid; the fixing unit is of a rigid structure and used for supporting the pump unit and the connecting unit, wherein the connecting unit is of a flexible structure for connecting the pump unit into a chain so as to ensure the flexibility characteristic of the whole peristaltic pump; an automatic valve is arranged in the connecting unit to control liquid to flow in and out; the fixing unit is used for supporting the pump unit. According to the flexible peristaltic pump, the driving film material and the special structure enable further simplifying of the peristaltic pump structure, so that the stability, reliability, efficiency and economy of the peristaltic pump can be improved, and the working noise can be reduced. The flexible peristaltic pump can be widely applied to the fields of chemical engineering, mining and metallurgy, paper-making, paint coatings, foods, ceramics, petroleum, water treatment, medicine preparation, and medical apparatuses and instruments in the future, and particularly plays an important role in artificial organ.
Owner:ZHEJIANG UNIV
Three-dimensional numerical control electric spark linear cutting machine tool
The invention discloses a three-dimensional numerical control electric spark linear cutting machine tool comprising a machine tool body, a cross saddle which is arranged on the machine tool body, and vertical columns which are fixedly arranged on the left side and the right side of the machine tool body; crossbeams which are connected with the vertical columns on the left side and the right side are arranged at the upper parts of the vertical columns; a left linear arm guide rail is arranged on the vertical column on the left side; a left linear arm is arranged on the left linear arm guide rail; the lower end of the left linear arm is provided with a left guide pulley; a right linear arm guide rail is arranged on the vertical column on the right side; a right linear arm is arranged on the right linear arm guide rail; the lower end of the right linear arm is provided with a right guide pulley; the upper end of the left linear arm is connected with the upper end of the right linear arm through a cross arm; the cross arm is provided with a z-axis lead screw; the z-axis lead screw is movably connected onto a lead screw pair. According to the three-dimensional numerical control electric spark linear cutting machine tool, the structure is simple, three guide pulleys and a group of z saddle are added based on an original common linear cutting machine tool, the winding path of an electrode wire is changed, i.e. the one-time clamping of a work piece is realized, the cutting of a three-dimensional surface is realized, and the machine tool is low in cost, easily used and easily promoted.
Owner:徐州博创建设发展集团有限公司
Cleaning device for solar panel
InactiveCN108580387ADoes not affect normal workSimple structureDrying gas arrangementsPhotovoltaicsEddy currentEngineering
The invention discloses a cleaning device for a solar panel. The cleaning device is mounted on the solar panel; guide rails are arranged on the solar panel in the length direction; the cleaning devicecomprises a long water pipe slidingly connected with the guide rails, and a cover positioned on the surface of the solar panel; the long water pipe communicates with first nozzles and a second nozzle; one first nozzle is arranged between every two adjacent guide rails; the first nozzles extend into the cover, and are fixedly connected with the cover; the two sides of the cover are slidingly connected with two adjacent guide rails; the long water pipe is connected with a water outlet of a water pump; and a water inlet of the water pump is connected with a water tank. One part of water enters the cover by the first nozzles to form vertical eddy currents for spraying to the surface of the solar panel, and an ultrasonic cleaning device is combined to achieve a better cleaning effect; the other part of the water enters the guide rails by the second nozzle to clean and lubricate the guide rails; and through sliding connection between the long water pipe and the guide rails, the cleaning ofeach position of the solar panel can be realized.
Owner:NANTONG UNIVERSITY
Short strip automatic leveling feeder
ActiveCN102744333AReduce mechanical structureSimple structureMetal-working feeding devicesPositioning devicesMechanical constructionMechanical engineering
Owner:广东瑞辉智能科技有限公司
High-precision short-radius rotary steering drilling tool
InactiveCN112554794ARealize the orientation functionShorten the lengthSurveyConstructionsWell drillingStructural engineering
The invention discloses a high-precision short-radius rotary steering drilling tool. The high-precision short-radius rotary steering drilling tool comprises a guide drilling short section, a bit pressure torque deflection transmission mechanism, a tool face angle measuring module, a control module, a bridging line and a driving drill string, and the guide drilling short section is connected to a conventional drill string or a rotary driving device above the guide drilling short section through the driving drill string. The guide drilling short section is composed of a drill bit and a guide short section body, the guide short section body comprises a bearing body, and the drill bit is fixed to the tail end of the bearing body. The driving drill string comprises a plurality of bearing shortsections which are sequentially connected from top to bottom, the bearing short section located at the lowest portion is connected with the bearing body, every two adjacent bearing short sections arehinged through the bit pressure torque deflection transmission mechanism, and the bearing short sections and the bearing body are hinged through the bit pressure torque deflection transmission mechanism. Drilling, measuring and guiding can be effectively achieved under the condition of a short-extremely-short-radius well hole, and then guiding drilling of a high-curvature well hole or guiding drilling of an extending well hole of a high-curvature well section can be better achieved.
Owner:万晓跃
Intelligent source baffle plate system and method thereof for preparing hard coating
ActiveCN106148905ASimple structural designReasonable structural designVacuum evaporation coatingSputtering coatingEngineeringVacuum pump
The invention relates to an intelligent source baffle plate system and a method thereof for preparing a hard coating. The system comprises a vacuum chamber, a circular gear ring, an intelligent source baffle plate, a gear reducer motor and a magnetofluid sealing transmission shaft. The method comprises the steps of (1) carrying out coating pretreatment; (2) carrying out vacuum pumping; (3) starting argon ion bombardment cleaning; (4) continuously carrying out high vacuum pumping to (4.0 to 9.0) * 10<-3> Pa, and carrying out target source predischarge cleaning; (5) continuously carrying out high vacuum pumping till the vacuum degree reaches 3.0 * 10<-3> Pa or above; (6) detecting the leakage rate of the vacuum chamber; (7) carrying out main arc metal ion bombardment and preparing a metal transition layer; (8) preparing a nitride coating through plating; and (9) after coating, inflating the vacuum chamber which is cooled to 150 to 250 DEG C, and after inflation, opening a door of the vacuum chamber to take out a workpiece. According to the system and the method, the content of residual gases in the vacuum chamber can be effectively decreased, the bonding strength of the hard coating and the surface of a base material and the performance of the hard coating are improved, mutual pollution between different cathode targets can be effectively prevented, and the quality and performance of a multi-layer or composite coating are improved.
Owner:北京丹普表面技术有限公司
Electromagnet fault detection method and circuit, control method and circuit and circuit breaker
InactiveCN104391197AReduce mechanical structureEasy maintenanceElectrical testingLow voltageEngineering
The invention discloses an electromagnet fault detection method and belongs to the low-voltage electrical technology field. The electromagnet fault detection method comprises judging whether an electromagnet breaks down or not according to the current change condition in an electromagnet power supply loop after starting of electrification and judging the electromagnet breaks down if currents do not decrease during a process that currents change from zero to a stable value. The invention also discloses an electromagnet fault detection circuit and an electromagnet fault control method and control circuit and a circuit breaker. According to the electromagnet fault detection method, the information that whether the electromagnet rightly acts or not is rightly judged through a circuit according to the current change rule of the power supply loop during the electromagnet actin process and an output signal is provided to clearly prompt the exterior whether the electromagnet rightly acts or not, convenience is brought for maintenance, warning and control, and the electromagnet fault detection method can be widely applied to various occasions using the electromagnet to drive an execution mechanism to act.
Owner:CHANGSHU SWITCHGEAR MFG CO LTD (FORMER CHANGSHU SWITCHGEAR PLANT)
Light condensation device on basis of Fresnel lenses
ActiveCN108981200AEliminate the shortcoming of low long-term bending lifeEasy constructionSolar heating energyCondensersFresnel lensOpto electronic
The invention discloses a light condensation device on the basis of Fresnel lenses. The light condensation device comprises components such as the Fresnel lenses, photoelectric sensors, a radiating fin, cooling pipes, a circulating pump, a water tank, motors, transmission devices and control chips. The light condensation device has the advantages that the integral light condensation device is fixed onto foundations, specific angles can be formed by the light condensation device and the horizontal planes according to the latitudes of various regions, only Fresnel lens arrays need to carry out transverse and longitudinal two-axis linkage according to specific speeds to carry out sun chasing tracking, and accordingly the sunlight can always keep being focused on a single light condensation target or a plurality of light condensation targets; heat generated by the targets owing to light condensation can be transmitted to cold fluid by bottom heat exchange devices; the light condensation device has flexible requirements on the foundations, load on transmission and driving devices can be lowered to a great extent, the sun chasing tracking precision can be effectively enhanced, and the light condensation device is low in cost, can be conveniently and quickly constructed and calibrated and can be conveniently and quickly maintained in late periods.
Owner:ANHUI UNIV OF SCI & TECH
Electronic control nailer
InactiveCN1552554AControl the number of times to move back and forthStreamlined and futuristic shape changesNailing toolsKey pressingElectrical battery
An electronically controlled nailing gun is composed of a gun body unit consisting of gun body and top cover, the elastic body, pushing unit and piston contained in the air chamber of gun body and the cavity of top cover, primary air channel, upper air channel, the control circuit board with key switch, switching switch, adjustable pulse switch and battery holder, electromagnetic valve set and contact sensor.
Owner:张文州
Spectrophotometer for batch detection, and detection method thereof
InactiveCN111707630AReduce mechanical structureGuaranteed transmittanceColor/spectral properties measurementsCuvetteEngineering
The invention discloses a spectrophotometer for batch detection, and a detection method thereof, and belongs to the field of detection equipment. The spectrophotometer comprises light path systems, wherein the plurality of light path systems which are arranged in a straight line are respectively provided with a conveying belt and a bench, a plurality of cuvettes are arranged on the conveying beltand the bench at equal intervals by taking the light path system as a symmetry axis, a liquid injection station and a plurality of detection stations are arranged above the conveying belt, a dumping station, a cleaning station, a drying station and a preparation station are arranged above the conveying belt, a liquid injector is arranged above the liquid injection station, and a liquid collectingdisc, a cleaner and a dryer are arranged below the dumping station, the cleaning station and the drying station respectively. According to the invention, the touch frequency of the cuvette can be reduced or eliminated, the accuracy of the wavelength of monochromatic light can be improved, the residual components of detection liquid on the cuvette can be reduced, the detection speed can be increased, the detection cost can be reduced, and the accuracy of the detection result can be improved.
Owner:李明亮
Earth-continuity tester calibration system
PendingCN109581261AVersatileImprove accuracy and reliabilityElectrical measurementsCollection systemControl mode
The invention relates to an earth-continuity tester calibration system. The system comprises a casing, four wiring terminals, and a standard resistor system, a current collection system, a voltage collection system, a C1 relay set, a C2 relay set, a P1 relay set, a P2 relay set, a voltage collection relay set, a current sampling and selection relay set and a main control system which are arrangedin the casing. The system provided by the invention has the advantages that multiple physical standard resistors are adopted to form the standard resistor system for calibration, number combinations and resistance values of the standard resistors participating in the calibration are controlled through relays, and calibration detection is carried out on an earth-continuity tester through the physical standard resistors, so that the physical resistors and relay control modes can be intelligently combined to achieve high flexibility and convenience, the applicability for both the four-terminal wiring method and the two-terminal wiring method is achieved, and the universality, precision and reliability are high.
Owner:HENAN PROVINCE INST OF METROLOGY
Electronic control nailer
InactiveCN1310740CControl the number of times to move back and forthStreamlined and futuristic shape changesNailing toolsKey pressingElectrical battery
Owner:张文州
Flexible guide drilling tool
InactiveCN113153151AImprove flexibilityImprove passabilityDrill bitsDrilling rodsWell drillingEngineering
The invention discloses a flexible guide drilling tool, and relates to the technical field of well drilling and drilling. According to the flexible guide drilling tool, a flexible driving drilling column and a guide drilling short section are tripped in through a conveying pipe column, and the well track control problem in a small-hole and ultra-short-radius well is solved; by arranging a deflection guide mechanism, the flexible guide drilling tool can drive a drill bit to deflect in the preset direction under the rotary drilling condition; drilling power transmission is achieved through a plurality of bearing short sections connected through universal transmission mechanisms; the deflection guide mechanism and an electric drive actuator are arranged in the different functional short sections respectively, connection is achieved through a flexible bridging connecting rod, the length of the guide drilling section and the distance between all the universal transmission mechanisms are shortened to the maximum extent, and the control problem of the flexible guide drilling tool is solved. According to the flexible guide drilling tool, a short-radius-to-ultra-short-radius well hole can be drilled through a small hole, or guide drilling can be continuously carried out through the short-radius-to-ultra-short-radius well hole.
Owner:万晓跃
Bilateral permanent magnet linear motor driven type plunger pump
InactiveCN108757374AReduce mechanical structureIncrease profitPump controlMechanical energy handlingPermanent magnet linear motorEngineering
The invention discloses a bilateral permanent magnet linear motor driven type plunger pump. The bilateral permanent magnet linear motor driven type plunger pump comprises a bilateral permanent magnetlinear motor, connecting rods and four plunger pump bodies. The bilateral permanent magnet linear motor comprises a stator, a first mover and a second mover, wherein the stator comprises a stator ironcore, a first armature winding and a second armature winding, and the first armature winding and the second armature winding are symmetrically distributed in stator slots in both sides of the statoriron core. The first mover includes a mover iron core and permanent magnets, the permanent magnets are located on the mover iron core, and the first mover and the second mover have the same structure.Plungers of the plunger pump bodies are separately connected to the two ends of the first mover and the second mover through the connecting rods, and the four plunger pump bodies have the same structure. The linear motor is adopted to directly drive the plunger pump bodies, mechanical structures such as a crankshaft connecting rod and a reduction gear box are omitted, so that the overall operation reliability and efficiency are improved, and noise is reduced.
Owner:HUAZHONG UNIV OF SCI & TECH
3D (Three-dimensional) printer capable of reducing noise and absorbing vibration
InactiveCN108202477AEasy to printEasy to useManufacturing platforms/substratesManufacturing driving meansEngineering3d printer
The invention relates to a 3D (Three-dimensional) printer capable of reducing noise and absorbing vibration. The 3D printer capable of reducing noise and absorbing vibration comprises a base and a connecting base. Rolling wheels are arranged on the bottom end of the base; a printing platform is fixed to the upper end of the base; a screw rod is arranged in the printing platform in a penetrating way; a screw cap is arranged above the screw rod; a spring is arranged at the lower end of the screw rod; a connecting block is connected to the lower end of the spring; a fixing seat is arranged at thelower end of the joining block; a middle connecting box is fixed to the upper end in the middle of the base; and a first stepping motor is arranged at the left end in the middle connecting box. The 3D printer capable of reducing noise and absorbing vibration provided by the invention has the beneficial effects that a main side arm and an auxiliary side arm are arranged, a main linkage device andan auxiliary linkage device can be well connected; through the main side arm and the auxiliary side arm symmetrical to each other, the main linkage device and the auxiliary linkage device can be usedfor printing same products at the same time, so that the printing efficiency is improved; and meanwhile, through installing a synchronous belt, a transmission process of the 3D printer is more accurate.
Owner:季丽红
Split type umbrella mechanical shaking device for laser gyro
The invention discloses a split type umbrella mechanical shaking device for a laser gyro, and the device comprises a shaking unit and a laser gyro carrying unit, wherein the laser gyro carrying unit comprises a triangular gantry, the center of the triangular gantry forms a boss, three first fixing blocks are evenly spaced on the boss, each of the first fixing blocks is provided with a screw hole and is fixed with the screw hole through a bolt to fix a laser gyro resonant cavity, the position of the boss located at the center of the triangular gantry is defined with a first opening, second openings are formed at three corners of the triangular gantry, the shaking unit comprises a first shaking rib and a second shaking rib connected in a direction along the center of the circular ring, and the shaking unit fixes the laser gyro carrying unit through a through hole. The split type umbrella mechanical shaking device for the laser gyro provided by the invention improves the accuracy of navigation measurement while reducing the volume and cost.
Owner:西安德讯威光电测控技术有限公司
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