Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
82results about How to "Realize self-locking effect" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Micromovement actuator used for adjusting mirror surface position of astronomical telescope
Provided is a micromovement actuator used for controlling the mirror surface position of an astronomical telescope. One end of the micromovement actuator is in connection with a support mirror surface, and the other end is in connection with the frame of the telescope, wherein the connection point with the support mirror surface and the connection point with the frame of the telescope are connected to form a connection line, and the connection line forms the output shaft of the micromovement actuator. The micromovement actuator is characterized by comprising an elastic structure body and an active central shaft; the elastic structure body is a polygon composed of elastic materials; the active central shaft is vertical with the output shaft of the micromovement actuator, and the base and the end of the active central shaft are respectively in fixed connection with two sides or two angles of the polygon. The micromovement actuator has the characteristics of simple structure and high connection rigidity, employs a multi-set cooperative work mode, and can effectively enhance the coupling stiffness between the mirror surface and the frame, and avoid overconstraint or passive constraint; meanwhile, the micromovement actuator can realize continuous mirror surface movement in adjusting a position, and avoid gaps or backlash; besides, the movement output precision can be under one micrometer. The micromovement actuator can be applied to other fields.
Owner:NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
Combined driving micro-displacement regulation device
InactiveCN102411372ADisplacement stabilitySmooth transmissionPosition/direction controlReciprocating motionControl system
The invention relates to a combined driving micro-displacement regulation device, which consists of a worm gear and worm drive module, a worm gear shaft, a rotating shaft, a key, a rolling bearing, a grating ruler, a bearing retainer, a slide block, a shell, a third oil cylinder, a hydraulic drive module, a worktable and a drive control system, wherein the worm gear shaft is fixedly connected with the worm gear and worm drive module through a screw; one end of the rotating shaft is connected with the worm gear shaft and the other end of the rotating shaft is connected with a nut screw thread pair; the rotating shaft is positioned in the rolling bearing; the bottom end of a nut is in rigid connection with the slide block; the slide block linearly reciprocates along a guide rail; the right end of the nut is provided with an equivalent piston and is connected with the third oil cylinder; the third oil cylinder is positioned in the shell and is communicated with an oil cylinder of the hydraulic drive module through a hydraulic circuit; a piston of the hydraulic drive module is connected with the worktable; the grating ruler is arranged on the worktable; and the worm gear and worm drive module consists of a motor, a motor bracket, a coupler, a worm-gear case, a first radial bearing, a first retainer ring, a second radial bearing, a second retainer ring, a worm gear and a worm. By the device, precise displacement of the worktable can be regulated, stable displacement regulation is realized, and a reduction ratio of static hydraulic drive is regulated.
Owner:TONGJI UNIV
Transmission structure of bionic manipulator finger and bionic manipulator
PendingCN109202877ARealize self-locking effectSolve the problem of not being able to multi-stage bending transmissionProgramme-controlled manipulatorGripping headsEngineeringManipulator
The invention relates to the technical field of grabbing apparatuses, and particularly relates to a bionic manipulator. The bionic manipulator comprises a manipulator palm frame, and a plurality of manipulator fingers which are sequentially arranged on the palm frame, wherein each manipulator finger can be independently bent and stretched relative to the manipulator palm frame; an outer finger frame, a transmission mechanism and an adjusting unit form a transmission structure of each bionic manipulator finger; each transmission structure comprises three groups of worms and gears and three chain belts. The transmission structure is capable of performing multi-stage bending transmission, and each manipulator finger can be bent and stretch; the finger bearing capacity is improved relative toother designed bearing capacity based on the inter-gear transmission ratio, and moreover, the manipulator fingers can be automatically locked and cannot be loosened without power; a motor remains; andan existing state of the transmission structure remains.
Owner:许志宏
Toilet door capable of locking in occupied state
ActiveCN108868503AIngenious designRealize self-locking effectNon-mechanical controlsDoor/window applicationsTorsion springEngineering
The invention discloses a toilet door capable of locking in an occupied state. The toilet door comprises a door sheet installed on a door frame, an outer handle is installed on the outer side of the door sheet, an inner handle is installed on the inner side of the door sheet, rotating shafts are fixedly connected to one ends of the outer handle and the inner handle and rotationally inserted into the door sheet, a lock tongue is rotationally connected into the door sheet, an adjusting shaft is inserted into the lock tongue, the adjusting shaft is rotationally connected with the door sheet, a torsional spring sleeves the joint of the adjusting shaft and the door sheet, the lock tongue is arranged below a clamping tongue, the door sheet is provided with a lock groove corresponding to the locktongue, and a sliding shaft is fixedly connected to the end, away from the rotating shaft, of the inner handle. Accordingly, design is ingenious, by means of mutual cooperation of electro-magnetic induction and the Ampere theorem, current generated instantly provides instant magnetization, like poles repel, the self-locking effect is achieved, the toilet door is quite suitable for a user forgetting to lock the door, and then the awkward and inappropriate problems are effectively avoided.
Owner:江苏银服智能装备有限公司
Self-locking seal connection device
InactiveCN106322034AHigh sealing purposeRealize self-locking effectJoints with sealing surfacesCouplingsSelf lockingSteel ball
The invention provides a self-locking seal connection device. A loop tool edge connection tube in the device is embedded into a loop connection nut, and a gasket is placed between a self-locking tool edge stud and the loop tool edge connection tube. The loop connection nut is arranged on the periphery of the self-locking tool edge stud, a groove I is radially formed in the outer end face of the self-locking tool edge stud, and the self-locking tool edge stud is connected with the loop connection nut in a threaded manner. A plurality of circular holes are uniformly formed in the radial end face of the loop connection nut, and locking steel balls are placed in the circular holes. A steel ball compression sleeve and a spring are arranged on the periphery of the loop connection nut, and a retaining ring is placed in the loop connection nut. Tool edge sealing is matched with self-locking, rapid connection can be realized, the purpose of self-locking is achieved by the locking steel balls, the spring and the steel ball compression sleeve, the device does not easily loose in workplaces such as vibration (shock) places, seal reliability at a joint can be kept for a long time, and the device is simple in structure and convenient to mount.
Owner:INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
Self-locking abduction-adduction mechanism for thumb of dexterous robot hand
The invention relates to an abduction-adduction mechanism, in particular to the self-locking abduction-adduction mechanism for a thumb of a dexterous robot hand. In existing thumb mechanisms of the dexterous robot hand, the function of the movement of opposition of the human hand is difficult to realize. According to the mechanism, a gear-worm transmission mechanism is arranged on one side of a palm plate frame and is provided with a drive circuit board. A thumb supporting base is located on the other side of the palm plate frame. The palm plate frame is provided with an absolute position sensor. An output shaft of a motor is arranged coaxial with a worm and is connected to one end of the worm through a speed reducer. A worm gear shaft is arranged on the side, close to the palm plate frame, of the thumb supporting base, and a dexterous robot hand thumb mechanism is arranged on the side, away from the palm plate frame, of the thumb supporting base. The absolute position sensor comprises a potentiometer and a through circuit board, wherein the potentiometer is fixedly connected to the through circuit board. A control circuit is detachably connected to an auxiliary base. The self-locking abduction-adduction mechanism is used for controlling the movement of opposition of the dexterous robot hand thumb mechanism.
Owner:HARBIN INST OF TECH
Lever lifting type banana harvesting device
A lever lifting type banana harvesting device comprises a walking support, a cutting mechanism and a harvesting lifting mechanism. The cutting mechanism is arranged on the top of the walking support. The harvesting lifting mechanism is located on the side face of the support. The harvesting lifting mechanism is driven by a lever and performs banana harvesting along with lifting motion of a preset track, meanwhile, the lever can achieve the self-locking function, a collected tray is stopped at the certain height, banana harvesting work is convenient, a tool of the cutting mechanism has multiple degrees of freedom, banana stalk can be electrically cut at multiple angles, and a majority of banana harvesting work can be met.
Owner:GUANGXI UNIV
Quantitative split charging device for bulk flour
ActiveCN113306753AAchieve stirring effectRealize the effect of intermittent rotationBio-packagingSolid materialEngineeringMaterial storage
The invention relates to a split charging device, and particularly relates to a quantitative split charging device for bulk flour. The quantitative split charging device for the bulk flour can reduce the working intensity of workers and improve the working progress. The quantitative split charging device for the bulk flour comprises a bottom frame, a material storage barrel, a stirring mechanism, a rotating mechanism, a pouring mechanism and a quantifying mechanism, wherein the material storage barrel is arranged on the bottom frame; the stirring mechanism is arranged in the material storage barrel; the rotating mechanism is arranged in the middle of the bottom frame; the pouring mechanism is arranged on the rotating mechanism; and the quantifying mechanism is arranged on the pouring mechanism. According to the quantitative split charging device for the bulk flour, an electric rotating shaft rotates to drive a flow limiting seat to rotate, so that a stirring paddle is driven to rotate, the stirring paddle can stir the flour, the flour can be pushed into small holes and can fall into the quantifying mechanism, and the stirring effect is achieved.
Owner:湖南华庭农业发展有限公司
Cast-in excircleself-locking thread air cylinder sleeve and manufacturing technology thereof
InactiveCN109306915AImprove bindingImprove machining accuracyCylinder headsFoundry mouldsManufacturing technologySelf locking
Owner:ZYNP GRP ANHUI CO LTD
Electromagnetically driven parallel clamping device and control system thereof
The invention particularly discloses an electromagnetically driven parallel clamping device which comprises a shaft rotating electromagnetic actuator, a rotating shaft, a dual transmission shaft retracting and expanding mechanism, a first transmission shaft, a second transmission shaft, a linear guide rail, a first clamping finger and a second clamping finger, wherein one end part of the rotatingshaft is mounted in the shaft rotating electromagnetic actuator; the other end of the rotating shaft extends out of the shaft rotating electromagnetic actuator; the rotating shaft is fixedly connectedwith the middle part of the bottom surface of the dual transmission shaft retracting and expanding mechanism; one end of the first transmission shaft is connected with one side part of the dual transmission shaft retracting and expanding mechanism; one end of the second transmission shaft is connected with the other side part of the dual transmission shaft retracting and expanding mechanism; oneend part of the first clamping finger is fixedly connected with the other end of the first transmission shaft; and one end part of the second clamping finger is fixedly connected with the other end ofthe second transmission shaft. The invention further discloses a control system for electromagnetically driven parallel clamping device. The electromagnetically driven parallel clamping device and the control system overcome the defect of pneumatic or hydraulic manipulators, and have the advantage of high control performance.
Owner:GUANGZHOU WAYTOP ELECTRONICS
Support frame for planting
InactiveCN109220505AEasy to adjustPlay a supporting roleCultivating equipmentsEngineeringMechanical engineering
Owner:南京福力振农业科技有限公司
Tablet mashing equipment for pediatric department
PendingCN113042136AAchieve the crushed effectRealize the feeding effectGrain treatmentsMechanical engineeringBiomedical engineering
The invention relates to mashing equipment, in particular to tablet mashing equipment for the pediatric department, and provides the tablet mashing equipment which is used for the pediatric department, can realize automatic crushing, is healthy and sanitary and is convenient to use. The tablet mashing equipment for the pediatric department comprises a bottom plate, a first supporting frame arranged on the bottom plate, an air cylinder mounted on the upper side of the first supporting frame, a rolling mechanism arranged on the air cylinder, and a feeding mechanism arranged on the bottom plate. A telescopic rod of the air cylinder then moves downwards, so that a second supporting frame slides downwards, a first spring is stretched, a pressing block moves downwards, tablets can be crushed, and the crushing effect is achieved; a first sliding block drives a tray to move leftwards, the tray can be pushed to the position below a pressing block, and the feeding effect is achieved.
Owner:蔡腾
Crawling mechanism of lift
PendingCN110745667AImprove securityIncrease stabilityElevatorsBuilding liftsSprocketTransmission performance
The invention discloses a crawling mechanism of a lift. The crawling mechanism comprises a rack, wherein a slide rail is disposed on the rack and located on the inner side of the track; a goods shelfbox is disposed on the rack; reinforcement plates are disposed on the goods shelf box and located on two ends of the goods shelf box; an I-shaped plate is disposed on the goods shelf box and located on the top end of the goods shelf box; and a guiderail plate is disposed on the goods shelf box. The crawling mechanism disclosed by the invention has the beneficial effects that the slide rail is disposed on the inner side of the track for auxiliary lifting of the goods shelf box, so the problem of easy wear of the outer side of the goods shelf box is solved and thus the service life of the mechanism is prolonged; a sunshade plate is disposed on the outer side of a chain wheel for protection of the chain wheel, so the service life of the chain wheel is effectively prolonged, corrosion of the chain wheel is reduced, transmission performance and transmission capacity of the chain wheel are further enhanced and electric power driven by a motor is reduced; and thus, power use of the motor is saved, and wear durability of the motor is prolonged.
Owner:苏州市金福特液压升降机械有限公司
Comprehensive disinfection equipment for small instruments in clinical laboratory
ActiveCN112808654ARealize the pressure effectAchieve fixationCleaning using toolsMedicineEngineering
The invention relates to disinfection equipment, in particular to comprehensive disinfection equipment for small instruments in a clinical laboratory. The comprehensive disinfection equipment for the small instruments in the clinical laboratory is convenient to operate, short in service time and thorough in cleaning and disinfection. The comprehensive disinfection equipment for the small instruments in the clinical laboratory comprises a base, first connecting rods, downward pressing mechanisms and a cleaning mechanism, wherein first sliding rails are arranged on the left side and the right side of the base; the first connecting rods are arranged on the left side and the right side of the base on the front side; the downward pressing mechanisms are arranged at the upper tops of the first connecting rods; and the cleaning mechanism is arranged on the downward pressing mechanisms. First guide rods on the left side and the right side are manually pressed, so that a first supporting frame is driven to move downwards, a first spring is compressed, then a second spring is compressed, and the downward pressing effect is achieved.
Owner:江秀燕
Industrial circulating cooling water system
ActiveCN105060521ALow costImprove carrying capacityMultistage water/sewage treatmentTrickle coolersCooling towerSludge
The invention relates to the technical field of water treating equipment, in particular to an industrial circulating cooling water system. The technical scheme is as follows: the industrial circulating cooling water system comprises a cooling tower, a water supply line leading to a water consuming point, a filtered water circulating line connecting the water consuming point and the cooling tower and a raw water supply line supplementing water to the cooling tower, wherein the water supply line is connected with a water outlet of the cooling tower and comprises and a start-stop control valve which is used for controlling connection and disconnection of the water supply line and is connected in the line in series; the filtered water circulating line comprises a throttle valve, a bypass filter device, a water circulating line shutoff valve, a bamboo charcoal filter tank, a sludge sedimentation tank, a line shutoff control valve group and a filter which are connected sequentially in the water flow direction, and bamboo charcoal filter tank takes bamboo charcoal as a filter material. The industrial circulating cooling water system has the advantages of good water purification treatment effect, energy saving, environmental protection, safe, stable and lasting operation and convenience in maintenance.
Owner:浙江华建尼龙有限公司
Combat robot stabilizing base
The invention discloses a combat robot stabilizing base. The combat robot stabilizing base comprises a chassis, a first opening is formed in one end of the base, the first opening is formed in the chassis in an embedded mode, a displacement groove is formed in one side of the first opening, the displacement groove is formed in the edge position of one side of the chassis in an embedded mode, a camis arranged at the top end of the chassis, the cam is attached to the chassis closely and fixed, a visual window is arranged at one end of the cam, the visual window is attached to the cam closely and fixed, a clamping device is arranged on one side of the visual window, the clamping device is arranged in the cam in an embedded mode, a second opening is formed in the top end of the cam, limitinggrooves are formed in the two sides of the second opening, and the limiting grooves are formed in the cam in an embedded mode. The combat robot stabilizing base is connected with a robot through a fastening part, so that a self-locking effect of the combat invented robot and the clamping device is achieved, it is convenient for the robot to combat stably, and the labor intensity of a worker is reduced.
Owner:芜湖易迅生产力促进中心有限责任公司
Fertilizing device for farming before land sowing
InactiveCN112772028ATo achieve the effect of waterPrevent outflowSpadesPloughsAgricultural scienceAgricultural engineering
The invention relates to a fertilizing device, in particular to a fertilizing device for farming before land sowing. The fertilizing device for farming before land sowing can ensure the fertilizing quality, save the cost and reduce the labor intensity of farmers. The fertilizing device for farming before land sowing comprises a mounting frame, a front wheel, rear wheels, a water outlet mechanism and a switch mechanism, wherein the front wheel is rotationally arranged on the lower portion of the mounting frame, the rear wheels are rotationally arranged at the lower part of the mounting frame, the water outlet mechanism is arranged at the top of the mounting frame, and the switch mechanism is arranged on the water outlet mechanism. According to the fertilizing device, a water adding opening is opened manually, then fertilizer and water are poured into a water tank, the water adding opening is closed after pouring is completed, people pull the switching mechanism to move upwards, the diluted fertilizer can flow into a water outlet through a water conveying pipe and flow into the land through the water outlet, and the water outlet effect is achieved.
Owner:陈木清
Anti-collision structure of compressor, compressor and temperature adjusting equipment
ActiveCN112211802AThe installation is firm and does not fall offAvoid failurePositive displacement pump componentsPumpsCylinder headEngineering
The invention discloses an anti-collision structure of a compressor, the compressor and temperature adjusting equipment. The anti-collision structure of the compressor comprises a shell, a machine core and an anti-collision component, wherein the machine core is arranged in the shell, the machine core comprises an inner exhaust assembly and an air cylinder cover, the inner exhaust assembly is installed on the machine core through a first screw, the air cylinder cover is installed on the machine core through a second screw, and the head of the first screw and the head of the second screw are both located at the top of the machine core; and the anti-collision component comprises a first anti-collision sleeve and a second anti-collision sleeve, the first anti-collision sleeve and the second anti-collision sleeve are connected into a whole through a connecting structure, the head of the first screw is sleeved with the first anti-collision sleeve, the head of the second screw is sleeved with the second screw sleeve, the first anti-collision sleeve is provided with a positioning hook, the positioning hook hooks an inner exhaust pipe of the inner exhaust assembly, and a gap is reserved between the anti-collision component and the shell. The anti-collision structure is mounted on the compressor more firmly and reliably, and is more convenient to assemble.
Owner:WANBAO GROUP COMPRESSOR CO LTD
Repeatable locking and separating device
ActiveCN110356593ARealize multiple lockingAchieve separationCosmonautic component separationEngineeringCam
The invention discloses a repeatable locking and separating device, and belongs to the technical field of repeatable connection and separation. The device comprises a support 61, a vertical shaft 62,a worm 63, a turbine 64, a cross shaft 65, cams 66, a sliding groove 67, a pin shaft 68, a locking hook 69, a first bearing, a second bearing and a third bearing; the vertical shaft 62 is fixedly connected with the worm 63, and the vertical shaft 62 is installed on the support 61 through the first bearing; the turbine 64 is fixedly connected with the cross shaft 65, and the cross shaft 65 is mounted on the support 61 through the second bearing; the worm 63 is in matched transmission with the turbine 64, the sliding groove 67 is mounted on the cross shaft 65 through the third bearing, each cam66 is mounted on each side of the sliding groove 67, the two cams 66 are fixedly connected with the cross shaft 65, and guide grooves are formed in the two cams 66 correspondingly; and a concave cavity and a kidney groove are formed in the sliding groove 67, the locking hook 69 is inserted into the concave cavity, the pin shaft 68 is arranged on the locking hook 69, and the two ends of the pin shaft 68 penetrate through the kidney groove and are inserted into the guide grooves of the two cams 66. The device has the advantages that the operation is simple, multiple locking and separating can berealized, the vibration impact is small, and the maintenance is easy.
Owner:BEIJING SATELLITE MFG FACTORY
Objective table for detecting hardness of ring type part, micro hardness tester and detecting method thereof
PendingCN109855996AIncreased clamping reliabilityGood self-locking effectInvestigating material hardnessRing typeHardness
The invention discloses an objective table for detecting the hardness of a ring type part, a micro hardness tester and a detecting method thereof. The objective table comprises a base part, a guidinggroove disc, an eccentric groove disc, and a positioning locking piece. The guiding groove disc is installed at the base part in a rotating manner; and a guiding groove is formed in the top surface and extends in a length direction of a radius. The eccentric groove disc is connected to the guiding groove disc in a rotation manner; the eccentric groove disc and the guiding groove disc are arrangedconcentrically; and an eccentric groove is formed in the eccentric groove disc. The positioning locking piece passes through the eccentric groove and is in guiding fitting with the guiding groove. When a ring type part is placed on the top surface of the eccentric groove disc, the eccentric groove disc rotates to drive the positioning locking piece to approach the circle center of the eccentric groove disc along the guiding groove, so that the ring type part is clamped at the circle center of the eccentric groove disc by the positioning locking piece. According to the objective table, the overlapping of the circle center of the ring type part and the rotation center of the objective table is kept all the time; the trouble of locating the circle center of the ring type part again for othermicro hardness measurement point determination is saved; and the circumferential hardness distribution of the ring type part is obtained accurately.
Owner:JIMEI UNIV
Direction adjustment structure for small boat
InactiveCN104787294AAvoid the problem of not being able to quickly adjust the directionRealize self-locking effectSteering ruddersSteering wheelEngineering
The invention discloses a direction adjustment structure for a small boat. The direction adjustment structure for the small boat comprises a steering wheel, a first rotating shaft, a cardan joint, a second rotating shaft, a worm and gear mechanism, a third rotating shaft, a first connecting rod, a dowel bar, a second connecting rod, a guide mechanism, a third connecting rod, a fourth rotating shaft and a rudder. The steering wheel is installed on the first rotating shaft, the first rotating shaft is connected with the second rotating shaft through the cardan joint, the second rotating shaft is connected with the worm wheel input end of the worm and gear mechanism, the worm output end of the worm and gear mechanism is connected with the third rotating shaft, the third rotating shaft is connected with one end of the dowel bar through the first connecting rod, the other end of the dowel bar is connected with the second connecting rod, the third connecting rod is connected with the fourth rotating shaft, the rudder is installed at the lower end of the fourth rotating shaft, and both the second connecting rod and the third connecting rod are connected with the guide mechanism. The direction adjustment structure for the small boat can achieve a self-lock function in the process of adjusting directions through the arrangement of the worm and gear mechanism, avoids the problem that the directions can not be adjusted quickly due to resistance of water, and is simple in structure and convenient to use.
Owner:GUANGXI JINDA SHIPBUILDING
Sliding plug door assembly
PendingCN112227879AAvoid damageSave powerPower-operated mechanismWing suspension devicesReciprocating motionEngineering
Owner:金湖县微晶控制系统有限公司
an electric push rod
ActiveCN105207404BSmall structure sizeLower requirementMechanical energy handlingCoil springElectric drive
The invention relates to an electric drive device applied to a lifting table, a lifting chair, a lifting bed and the like, in particular to an electric push rod, and aims to solve the problems that an existing electric push rod with a big lead and a self-locking function is high in cost, prone to being damaged and the like. According to the scheme, a motor output shaft of the electric push rod is provided with a damping device for acting on the output shaft, the damping device comprises two or more friction shoes arranged on the output shaft in a holding mode, the outer rings of the friction shoes are sleeved with a spiral spring for tightly holding friction shoes onto the output shaft, the two axial ends of each friction shoe are provided with anti-falling bosses for preventing the spiral spring from falling off, one or more anti-falling bosses are radially extended into rotation stopping fins, the rotation stop fins are blocked by a blocking block on a motor shell for preventing the friction shoes from rotating along with the output shaft, and the inner walls, in contact with the output shaft, of the friction shoes are provided with axial oil storage grooves.
Owner:CHANGZHOU KAIDI ELECTRICAL INC
Self-locking stabilized structure for interbody fusion cage
ActiveCN106175999AEnhanced locking positioningRealize self-locking effectInternal osteosythesisSpinal implantsVertebraEngineering
The invention relates to the technical field of operation tools for lumbar vertebra to solve the problem that a conventional interbody fusion cage is displaced when in use. The invention concretely relates to a self-locking stabilized structure for an interbody fusion cage. The structure comprises a fixing plate, on which a cylindrical threaded protrusion is arranged on one side used for connecting with the fusion cage. At least two locking and positioning holes are arranged in one side used for connecting with the fusion cage and arranged in the upper surface of the fixing plate opposite to the fixing plate in an oblique mode. The structure further comprises locking screws which penetrate through the locking and positioning holes and are fixedly connected with a vertebral body. The self-locking stabilized structure for the interbody fusion cage has following beneficial effects: a simple structure is obtained; a conventional fusion cage can be self-locked; displacement of the cage in a body is avoided; and internal damage is reduced.
Owner:蒋毅
High-precision micro-displacement actuator for astronomical telescope mirror surface position adjustment
The invention discloses a high-precision micro-displacement actuator for astronomical telescope mirror surface position adjustment. The actuator comprises a double-thread screw rod, the double-thread screw rod comprises two thread sections with the same spiral direction and different leads, namely a first thread section and a second thread section, displacement output is achieved through the relative lead difference of the first threaded section and the second threaded section, the first threaded section is sleeved with a first lead screw nut fixedly connected to the telescope rack in a matched mode, the first threaded section is connected with a driving device capable of driving the double-thread lead screw to rotate, the second threaded section is sleeved with a second lead screw nut in a matched mode, and the second screw rod nut is connected with the mirror surface. According to the high-precision micro-displacement actuator, when the position of the optical mirror surface is adjusted, the mirror surface is continuously displaced, and a gap or backlash phenomenon does not occur. The position adjustment precision of the mirror surface can reach a submicron level or even a nanometer level. Meanwhile, the micro-displacement actuator can be applied to other fields, such as occasions where the position requirement is high when structural parts are installed.
Owner:NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
Industrial fluid valve
PendingCN113187908ARealize self-locking effectLess affected by fluid pressureOperating means/releasing devices for valvesLift valveFluid controlVALVE PORT
The invention discloses an industrial fluid valve. The industrial fluid valve comprises a valve body, a valve rod and a handle, the valve rod is rotationally connected to the center of the top of the valve body, the handle is fixed to the top of the valve rod, a valve element device, a through hole, a ball and a clamping device are arranged in the interior of the valve body, the valve element device is arranged in the interior of the valve body and located in the center, the bottom end of the valve rod is fixedly connected with the top of the valve element device, the through hole is formed in the center of the interior of the valve element device, the ball is arranged in the center of the bottom of the valve element device and connected with the bottom of the inner wall of the valve body in a matched mode, and the clamping device is arranged on the top of the valve body and connected with the valve rod in a matched mode. The invention relates to the technical field of general equipment manufacturing. According to the industrial fluid valve, the anti-loosening purpose is achieved, the valve rod can be clamped, then loosening can be effectively prevented, fluid control is facilitated, the sealing effect is good, the condition of leakage is reduced, and the use performance is improved.
Owner:胡银威
A Driving Mechanism Using Shape Memory Alloy to Realize Helicopter Rotor Tip Sweep Change
ActiveCN111232184BRealize reciprocating motionRealize self-locking effectWing adjustmentsDrive by wireShape-memory alloy
The invention discloses a drive mechanism for realizing the variable sweep of the helicopter rotor tip by using a shape memory alloy. The invention belongs to the intelligent rotor technology for actively changing the tip of the rotor to improve the aerodynamic characteristics of the rotor. A drive mechanism that utilizes shape memory alloys to achieve sweepback of the helicopter rotor tip is proposed, which can stably drive the tip of the helicopter in a large centrifugal force field and complex aerodynamic environment. The technical solution of the present invention is: the drive mechanism includes a fixed assembly, an actuating plate and a pair of linear drive assemblies, the fixed assembly is fixedly connected to the paddle, and the center of the actuating plate is hinged at the center of the fixed assembly facing the paddle On the pointed side, a pair of linear drive assemblies are connected to the fixed assembly, so that the actuating plate can rotate under the drive of the pair of linear drive assemblies. By changing the loading current of the shape memory alloy wire, the control of the sweep angle of the blade tip can be realized, so that the helicopter rotor can obtain better aerodynamic effects under various flight conditions.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Shank fracture fixing device for orthopedics department
PendingCN114712059AAchieve supportAvoid wrestlingCrutchesFracturePhysical medicine and rehabilitationOrthopedic department
The invention relates to a fixing device, in particular to a shank fracture fixing device for the orthopedics department. The invention provides an orthopedic shank fracture fixing device convenient for people to support. A shank fracture fixing device for the orthopedics department comprises a walking stick, a positioning mechanism, a mounting frame, a first sliding block, a hinge plate, a fixing mechanism and the like. A positioning mechanism is arranged on the right side of the walking stick, a mounting frame is arranged on the positioning mechanism, a first sliding block is slidably arranged on the mounting frame, a hinged plate is hinged to the front side of the first sliding block, and a fixing mechanism is connected among the first sliding block, the mounting frame and the hinged plate. According to the walking stick, the shank is placed between the mounting frame and the hinged plate by people, then the screw rod is manually rotated by people, so that the shank is fixed by the hinged plate and the mounting frame, and after fixing, people hold the walking stick to walk, so that the supporting effect is achieved, and wrestling caused by the fact that the gravity center of the body is changed when people use the walking stick is avoided.
Owner:张明英
Connecting shaft driving device, sliding plug door driving device comprising connecting shaft driving device and sliding plug door comprising connecting shaft driving device
PendingCN112227866AAvoid damageSave powerPower-operated mechanismWing suspension devicesReciprocating motionStructural engineering
The invention relates to the field of driving mechanisms, and discloses a connecting shaft driving device, a sliding plug door driving device comprising the connecting shaft driving device and a sliding plug door comprising the connecting shaft driving device. The connecting shaft driving device is characterized in that the two ends of a base are each provided with a connecting shaft driving mechanism, the two connecting shaft driving mechanisms are fixedly connected through a sliding rod and rotationally connected through a pull rod, the sliding rod is sleeved with two sliding sleeves, and the two ends of a drawn wire are connected with the two sliding sleeves after being wound around two wire drawing wheels correspondingly; a guide wheel rotationally connected to one sliding sleeve is limited in a guide groove in the base; a power source of the sliding plug door is fixed on the pull rod, and a driving end of the sliding plug door is fixedly connected with one of the sliding sleeves;and the connecting shaft driving mechanisms are driven by the power source to do reciprocating motion relative to the base. The connecting shaft driving device is applied to the sliding plug door, andforce originally concentrated on the guide wheel can be dispersed into the guide wheel and the connecting shaft driving mechanisms on the two sides of the guide wheel, so that the sliding plug door is very stable when opened or closed, the phenomenon that the guide wheel is automatically disengaged from the guide groove is effectively avoided, damage to the guide wheel can be greatly reduced, power is saved, and environment friendliness is achieved.
Owner:金湖县微晶控制系统有限公司
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com