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71results about How to "Less exercise" patented technology
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3R-3RSR single-degree-of-freedom tetrahedron expandable unit
ActiveCN105244629AStrong expandabilityImprove reliabilityAntennasSingle degree of freedomEngineering
The invention discloses a 3R-3RSR single-degree-of-freedom tetrahedron expandable unit, which comprises a top face plate, three swing rods with equal lengths, six connecting rods, nine rotation pairs and three ball pairs, wherein the upper ends of the three swing rods are connected with the top face plate through three coplanar rotation pairs; the axis of each rotation pair is vertical to a plane which is determined by an intersection point of the upper ends of the three swing rods, a triangular circumcenter of the tetrahedron unit and the lower end point of the corresponding swing rod; the lower end of each swing rod is respectively connected with two folding rods through two rotation pairs; each folding rod comprises two connecting rods with equal lengths and one ball pair; the unit is in a completely expanded state; the axes of the rotation pairs at two ends of each folding rod are parallel to each other and are vertical to the connected line of the centers of two rotation pairs; and the unit can be folded or expanded by driving any rotation pair. The 3R-3RSR single-degree-of-freedom tetrahedron expandable unit has the advantages of being single in degree of freedom, few in hinges, simple in structure, small in folding volume and the like, and is suitable for a large-caliber truss-type expandable antenna.
Owner:YANSHAN UNIV
A screw gas booster
ActiveCN102287373ANo relative frictionLess exerciseRotary piston pumpsRotary piston liquid enginesLow noiseSolenoid valve
The invention discloses a screw gas booster, which comprises an electric control cabinet (29), a fan (26), a motor (24) and the like, and is characterized in that: an inlet pipeline (30) of a twin screw compressor (22) is provided with an inlet ball valve (2), a first pressure sensor (1), a first temperature sensor (3), an inlet filter (4), an inlet solenoid valve (5), a safety valve (6), and a second pressure sensor (7) in turn; the twin screw compressor (22) is provided with a second temperature sensor (21), and is connected with a throttle valve (20), an oil filter (19) and an oil separator (18); the oil separator (18) is provided with an idle solenoid valve (8), a release solenoid valve (9), a minimum pressure valve (10), a safety valve (11), a differential pressure controller (12) and a third pressure sensor (13); a rear cooler (14) is connected with a fourth pressure sensor (15) and a vent ball valve (16); and the oil separator (18) is connected with an oil cooler (17). The screw gas booster has the advantages of small volume of the whole machine, compact structure, convenience for maintenance, high reliability and efficiency, good force balance, small vibration and low noise.
Owner:YANTAI MOON
Series-parallel walking robot construction method and series-parallel walking robot
ActiveCN107414793AImprove structural rigidityCompact structureProgramme-controlled manipulatorVehiclesSimulationKinematic pair
The invention discloses a series-parallel walking robot construction method and a series-parallel walking robot and belongs to the field of walking robots. The series-parallel walking robot comprises a leg mechanism A and a leg mechanism B, one leg mechanism is a series-parallel leg mechanism, and the other leg mechanism is a series-parallel leg mechanism or a foot parallel mechanism. The series-parallel leg mechanism is formed by connecting a thigh mechanism with a foot parallel mechanism in series. The two leg mechanisms have a specific combination of degree of freedom, the upper portions of the two leg mechanisms are fixedly connected together, all components of the two leg mechanisms contain and cross one another and each have an own independent moving space. Toes of the two leg mechanisms are triangular, and the projections of the toes on the horizontal plane are overlapped. When the robot goes forwards, steady walking in any direction can be conducted without adjusting the center of gravity leftwards and rightwards. The number of kinematic pairs of the robot is small, and the height of a robot body is small. The series-parallel walking robot has the advantages of being high in bearing capacity, flexible in steering, high in obstacle crossing ability and uphill and downhill ability, and the like, and can be applied to the service field, the industrial field, the agricultural field, the military field, the spaceflight field and other fields.
Owner:韩方元
Offshore wind power generation foundation capable of realizing self balance and wind turbine generator system
ActiveCN107762736AReduce torsional loadAvoid overall overturningBatteries circuit arrangementsWaterborne vesselsWind drivenWater flow
The invention discloses an offshore wind power generation foundation capable of realizing self balance and a wind turbine generator system. The offshore wind power generation foundation comprises a floating platform, a photoelectric conversion device, a water supply hose and a self-balance mechanism; the self-balance mechanism comprises at least three self-balance modules; the self-balance modulescomprise floating bodies, water flow driving pieces, and balance arms provided with water jet channels; water inlets of the water jet channels communicate with the other end of the water supply hose;the balance arms comprise connecting ends and floating ends; the connecting ends are connected with connecting lugs; the floating bodies are arranged on the floating ends; and the water flow drivingpieces communicate into the water jet channels, and are electrically connected with a control device. The balance arms can obtain reactive force, generated by scouring force, to form lateral support on a fan foundation, so that the fan foundation realizes automatic gesture correction, the self-adaption adjustment of the balance state of a wind driven generator can be realized under the precondition of avoiding use of cables, and the overturning of the wind driven generator due to impact and influence from various limit loads such as oceans, currents, wind, waves and the like is prevented.
Owner:龚羽佳
Wear test method of twisting jiggle of generating micro iamplitude of vibration, and testing machine
InactiveCN1687740AReduce mistakesConstant amplitudeUsing mechanical meansInvestigating abrasion/wear resistanceEngineeringCam
The invention is the twist abrasion testing method with small swing and the tester, and is suitable for the research of the abrasion state of between the solid materials. The invention adopts the cantilever swing device composed of the cam, the cantilever elastic board, the mini sheet and the swinging rod and the loading parallel device with the sensor. Set the eccentric distance of the cam, the length of the cantilever elastic board and the fixing position of the mini sheet of the swinging rod. Use the direct driving method to make the cantilever elastic board produce drive the bracket to produce small swing under the cam pushing, in order to wear the twist between the samples. The tester has few moving processes, big driving force, stable swing, small error and simple structure.
Owner:CHINA UNIV OF MINING & TECH
Elevating mechanism of lifting bar of computerized flat knitting machine
The invention relates to an elevating mechanism of a lifting bar of a computerized flat knitting machine, belonging to the technical field of flat knitting machines. The elevating mechanism comprisesa pair of wall plates, a lifting bar, a pair of lifting bar traction mechanisms and a pair of power transmission mechanisms, wherein the wall plates are installed on the middles of the two corresponding sides of a machine case under the computerized flat knitting machine in a length direction, the upper part of each wall plate is provided with a first moving channel and a second moving channel, the upper end of each wall plate is narrower than the lower end, the upper end of the first moving channel and the upper end of the second moving channel are respectively provided with a longitudinal straight channel, the lower ends are respectively provided with an inclined channel, and the combination of the straight channels and the inclined channels enables the first moving channels and the second moving channels to tend to form an L shape; the lifting bar is connected to the wall plates and moves along the tracks of the first moving channels and the second moving channels; the lifting bar traction mechanisms are arranged on the outer walls of the wall plates and connected with the lifting bar; and the power transmission mechanisms are arranged on the lower parts of the outer sides of the wall plates and connected with the lifting bar traction mechanisms. The invention has the advantages that a knitting guide plate does not need to be used; the elevating mechanism makes less motion,has simple structure and guarantees the reliability of elevation of the lifting bar; and the machine is convenient to clean, maintain and overhaul.
Owner:常熟市碧溪新区和宝纺织机械厂
Parallel type bionic knee-hip joint testing machine
InactiveCN105223010AIncrease stiffnessCompact and stable structureMachine part testingInvestigating abrasion/wear resistanceMuscles of the hipKnee Joint
The invention discloses a parallel type bionic knee-hip joint testing machine comprising a hip joint test apparatus and a knee joint test apparatus. The hip joint test apparatus is arranged on the knee joint test apparatus and the two apparatuses share a same moving platform. According to the invention, on the basis of cooperation of mechanisms, moving situations and moving environments of the knee joint and hip joint of the human body can be simulated actually. Moreover, the structure is compact, the installation becomes convenient, and the testing effect is good.
Owner:CHINA UNIV OF MINING & TECH
Three-translation degree of freedom parallel mechanism having asymmetric branch chain
InactiveCN1524663ACompact structureLess exerciseProgramme-controlled manipulatorElectric machineEngineering
The invention discloses a three-translational freedom parallel mechanism with nonsymmetrical branched chain, composed of machine frame, moving platform with main shaft and three moving branched chains between the machine frame and the moving platform; the three moving branched chains include two extension driving ones set on two sides of the mechanism, respectively, and a horizontal driving one set at the bottom of the mechanism; the two extension driving ones are both composed of top Hookean hinge, extension rod linked with the top Hookean hinge, electric machine set at the bottom of the extension rod and bottom Hookean hinge set outside the electric machine; the horizontal driving one is a plane hinge mechanism composed of two parallelogram structures interlinked by the bracket; the joint of the three moving branched chains and the machine from is below the mechanism. It combines driving branches chain with driven branched chain into a branched chain, which has function of providing motion and restriction.
Owner:TIANJIN UNIV
Glass die heating device
ActiveCN102883490AReduce in quantityEnergy savingInduction heating apparatusPhysicsWater circulation
The invention relates to a glass die heating device and belongs to the technical field of auxiliary facilities for manufacturing a glass die. The glass die heating device comprises a rack, a medium-frequency induction heating box lifting mechanism, a medium-frequency induction heating box, a water circulating cooling mechanism and a die temperature detection mechanism, wherein a machine table is formed at the top of the rack; a water circulating cooling mechanism cavity is formed below the machine table; a die placement seat is arranged on the surface of the machine table; the medium-frequency induction heating box lifting mechanism is fixed on the machine table; the medium-frequency induction heating box is arranged on the medium-frequency induction heating box lifting mechanism; a coil of the medium-frequency induction heating box is positioned outside a box body of the medium-frequency induction heating box; the coil is a tubular body with a hollow cavity; the coil is formed into a coil-shaped structure with a die extension cavity; the die extension cavity is correspondingly arranged above the die placement seat; the water circulating cooling mechanism is arranged in the water circulating cooling mechanism cavity; and the die temperature detection mechanism is arranged on the machine table and corresponds to the die placement seat. The glass die heating device has the advantages that the energy is saved and the operating efficiency is improved; the glass die heating device takes a good protection effect on the coil; the glass die heating device has simple structure; and the preheating temperature value of the die can be timely measured and the blindness is avoided.
Owner:ORI MOLD TECH SUZHOU
Medium frequency induction heating device for glass mold
A medium-frequency induction heating device for a glass mold belongs to the technical field of auxiliary facilities for glass mold manufacturing. Including the machine frame, the top of the machine frame constitutes an organic platform, the bottom of the machine platform is formed as a water circulation cooling mechanism cavity, and the mold seat is set on the surface of the machine platform; the lifting mechanism of the medium frequency induction heating box is fixed on the machine platform; the medium frequency induction heating The box is set on the lifting mechanism of the medium frequency induction heating box. The coil of the medium frequency induction heating box is located outside the box of the medium frequency induction heating box. The coil is a tubular body with a hollow cavity. The coil structure is formed by repeated bending; the water circulation cooling mechanism is arranged in the cavity of the water circulation cooling mechanism, connected with the coil, and forms a water cooling circulation loop with the hollow cavity. Advantages: save energy, improve work efficiency; provide good protection for the coil; the structure is more concise.
Owner:ORI MOLD TECH SUZHOU
Compressor and refrigeration device with compressor
PendingCN109854479ALess exerciseImprove operational efficiencyPositive displacement pump componentsPiston pumpsReciprocating motionEngineering
The invention provides a compressor and a refrigeration device with the compressor. The compressor comprises an air cylinder base, a piston assembly and a transmission part. The air cylinder base is provided with a piston chamber. The piston assembly is movably arranged in the air cylinder base and provided with a first magnetic attraction piece. The transmission part is rotationally arranged on the air cylinder base and provided with a second magnetic attraction piece matched with the first magnetic attraction piece, the transmission part can drive the second magnetic attraction piece to rotate, accordingly the piston assembly reciprocates in the piston chamber, and a refrigerant sucked into the piston chamber is compressed. The air cylinder base further comprises a limiting baffle, the limiting baffle is arranged at the end portion of the side, towards the transmission part, of the piston chamber, and containing space is formed by the end, towards the transmission part, of the pistonchamber. The compressor generates the magnetic field through the magnetic attraction pieces, the piston assembly is driven to do the reciprocating refrigerant compression motion in the air cylinder according to the electromagnetic field acting force principle, a crank connecting rod mechanism is eliminated, motion pairs of the compressor are reduced, accordingly, the running efficiency of the compressor is improved, and reliability of the compressor is improved.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
Carbon-free trolley capable of walking in closed '8'-shaped track
PendingCN108295482ASimple structureReduce energy consumptionToy gearsToy vehiclesEngineeringGravitational potential
The invention relates to a carbon-free trolley capable of walking in a closed '8'-shaped track. The carbon-free trolley comprises a bottom plate, stand columns, a front wheel and rear wheels, whereinthe stand columns are vertically positioned on the bottom plate; the front wheel is connected to the middle position of the front end of the bottom plate in a swinging manner through an adjusting frame, and a steering mechanism for enabling the front wheel to steer by pushing the adjusting frame to swing is arranged at the position, corresponding to the adjusting frame, of the bottom plate; two rear wheels are arranged, and the two rear wheels are mounted at two sides of the rear end of the bottom plate through a rear axle; a driving device for driving the rear wheels to rotate through gravitational potential energy and driving the front wheel to steer through the steering mechanism so that the carbon-free trolley walks in the closed '8'-shaped track is arranged on the stand columns. The carbon-free trolley capable of walking in the closed '8'-shaped track has the beneficial effects that the structure is simple, the cost is low, and the processing and the assembly are easy; only a fewkinematic pairs are adopted, so that the resistance is small, the energy consumption is low, the carbon-free trolley can walk out many 8 shapes, meanwhile, the walking process is stable, the adjustingfunction is convenient, and many pile-passing tracks can be generated.
Owner:GUILIN UNIV OF ELECTRONIC TECH
Automated analysis device with an automatic pipetting device and two pump units of different capacities
InactiveCN102215970ALess exerciseFew wearing partsBurettes/pipettesMaterial analysisLiquid lineLine tubing
The invention relates to an automatic pipetting device comprising at least two pump units of different capacities and a liquid line, said liquid line opening into a rinse liquid reservoir on one side and to a pipetting needle on the other side. In order to allow one pump unit to carry out a pipetting cycle at low volumes at high stroke resolutions and to allow the other pump unit to carry out a rinse cycle at large volumes, and in order to adapt the pump units to be as space-saving, low-maintenance and cost-effective as possible in the process, the invention proposes that the pistons of the at least two pump units are driven synchronously by a piston drive device, and that the position at which the largest working chamber is connected to the liquid line is disposed closer to the rinse liquid reservoir than the position at which the working chamber of the at least one other pump unit is connected to the liquid line, wherein a 3-way valve is also disposed at the liquid line at the point at which the largest working chamber is connected to the liquid line.
Owner:DIASYS TECH R L
Medium frequency induction heating device for glass mold
The invention discloses a medium frequency induction heating device for a glass mold and belongs to the technical field of auxiliary facilities for manufacturing glass molds. The medium frequency induction heating device comprises a rack, wherein a table is arranged on the top of the rack; a water recycling and cooling mechanism cavity is formed below the table; a mold mounting seat is arranged on the surface of the table; a medium frequency induction heating box lifting mechanism is fixed on the table; a medium frequency induction heating box is arranged on the medium frequency induction heating box lifting mechanism; coils of the medium frequency induction heating box are positioned outside a medium frequency induction heating box body, are tubular bodies with cavities and form a tube-shaped structure in a mode of repeatedly bending a plurality of semi circles or a plurality of circles; and a water recycling and cooling mechanism is arranged in the water recycling and cooling mechanism cavity and connected with the coils, and the water recycling and cooling mechanism and the cavities form a water cooling and recycling loop. The medium frequency induction heating device has the advantages that energy is saved, the operation efficiency is improved, a good protecting effect on the coils is achieved, and the medium frequency induction heating device has a relatively concise structure.
Owner:ORI MOLD TECH SUZHOU
Single-degree-of-freedom tetrahedral extensible cell mechanism
ActiveCN110589035ALess exerciseHigh precisionCosmonautic ground equipmentsSingle degree of freedomEngineering
The invention relates to the technical field of extensible cells, and particularly discloses a single-degree-of-freedom tetrahedral extensible cell mechanism. The mechanism comprises a first connecting rod, a first rotating pair, a second connecting rod, a second rotating pair, a third connecting rod, a fourth rotating pair, a fourth connecting rod, a third rotating pair, a ninth rotating pair, aneighth connecting rod, a tenth rotating pair, a ninth connecting rod, an eleventh rotating pair, a seventh rotating pair, a seventh connecting rod, a sixth connecting rod, an eighth rotating pair, asixth rotating pair, a fifth connecting rod and a fifth rotating pair. The mechanism comprises nine connecting rods and eleven rotating pairs, the single-degree-of-freedom tetrahedral extensible cellmechanism has the advantages that the structure is simple, motion pairs are fewer, rotating pairs are completely adopted, and the mechanism precision is higher.
Owner:BEIHANG UNIV
Forced intermittent special mixing apparatus for asphalt mixture regeneration
InactiveCN103821065AIncrease capacityImprove the mixing effectRoads maintainenceDaily operationProcess engineering
The invention discloses a brand-new forced intermittent special mixing apparatus for asphalt mixture regeneration. Aiming at the problems and defects of conventional regeneration apparatus matching solutions, main parts of a mixing apparatus are optimized and designed again; and a brand-new integrated apparatus matching solution specialized for production of regenerated asphalt mixture is provided. A regeneration function and a conventional mixing plant are optimized and integrated; the arrangement manner and position of a mixing pot are redesigned, so that reclaimed materials can be directly added from the above of the mixing pot; a conveying material path of the reclaimed materials is simplified; the problem of cementation of the reclaimed materials can be effectively alleviated; and the volume and mixing capacity of the mixing pot are increased, thereby guaranteeing that output of the apparatus is not influenced during the production of large-scale regenerated asphalt mixture. By adopting the whole integrated design, the structure is more compact; the whole height of the apparatus is effectively reduced; installation debug and daily operation and daily maintenance are facilitated; and energy consumption of the apparatus is effectively reduced.
Owner:廊坊德基机械科技有限公司
Magnetron sputtering preparation process of folding-resistant high-barrier composite packaging films
InactiveCN108265276AReduce permeabilityImprove barrier propertiesVacuum evaporation coatingSputtering coatingComposite filmAtmospheric pressure
The invention discloses a magnetron sputtering preparation process of folding-resistant high-barrier composite packaging films. The magnetron sputtering preparation process is characterized by comprising the following steps that (1) a base material is prepared; (2) the base material is conveyed into a pre-sputtering vacuum tank for pre-sputtering cleaning, specifically, pre-sputtering gas is argonwith the purity being 99.95%-99.99%, the pre-sputtering power increase rate is 0.1-6 W per hour per square centimeter, and the sputtering time is 30-500 seconds; and (3) a radio frequency power supply is started, multiple targets are deposited on a pre-sputtering matrix at the same time, and accordingly the high-barrier composite film is obtained, specifically, the pre-sputtered base material iswound on the surface of a roller to be fixed, the vacuum degree of a vacuum chamber is controlled to be 0.1-10*10<-5> Pa, argon or argon-oxygen mixed gas serves as working gas, the purity of the argonis 99.95%-99.99%, the airflow volume is 10-450 sccm, the oxygen purity is 99.95%-99.999%, the airflow volume is 0.5-100 sccm, the working air pressure is controlled to be 0.2-2 Pa, the target-substrate distance is 4-16 cm, the rotating speed of the roller is controlled to be 0.5-10 m / min, and the sputtering time is 5-300 minutes.
Owner:GUIZHOU MINZU UNIV
Three degrees-of-freedom translational 2CPR-URU parallel mechanism
ActiveCN109015602ASimple branch structureCompact structureProgramme-controlled manipulatorThree degrees of freedomEngineering
The invention relates to a three degrees-of-freedom translational 2CPR-URU parallel mechanism. The mechanism comprises a moving platform, a fixed platform and moving branched chains enabling the moving platform and the fixed platform to be connected. The moving branched chains include the first moving branched chain, the second moving branched chain and the third moving branched chain. The first moving branched chain and the second moving branched chain are arranged symmetrically. The third moving branched chain is located between the first moving branched chain and the second moving branchedchain. The first moving branched chain and the second moving branched chain are same in structure and each comprise a moving branched chain sleeve rod, a slide rod and a cylinder pair. The first endsof the moving branched chain sleeve rods are hinged to the moving platform, the first moving branched chain sleeve rods and the slide rods are connected to form moving pairs correspondingly, and the second end of the first slide rod is connected with the fixed platform through the first cylinder pair. The third moving branched chain comprises connecting rods, universal hinges and a third rotatingpair. One ends of the two connecting rods are connected through the third rotating pair. The other ends of the connecting rods are connected with the moving platform and the fixed platform through theuniversal hinges correspondingly. The parallel mechanism provided by the invention is simple in structure, small in number of the moving pairs, compact in structure and high in operating speed.
Owner:YANSHAN UNIV
Wave power mechanism and sea wave energy generator with wave power mechanism
The invention discloses a wave power mechanism. The wave power mechanism comprises a tank body, and a connecting shaft and a power shaft which are arranged on the tank body, wherein a first gear and a second gear are connected to the connecting shaft; a first overrunning clutch and a second overrunning clutch are connected to the power shaft; the first gear and the first overrunning clutch are engaged; the second gear is coupled with the second overrunning clutch through a reverse wheel mechanism; and the connecting shaft penetrates through the tank body and is connected with a floating arm in radial direction. The wave power mechanism adopts a pure mechanical structure, and has the characteristics of being reliable and simple, few in kinematic pairs, small in size, simple to maintain, and long in service life. The gravity of a floating tank and the buoyancy of seawater are utilized to drive the floating arm to make phugoid motion up and down, so that reciprocating motion is formed; through the structure, the lever force of the reciprocating motion is converted into high-speed unidirectional rotation, so that a generator is driven to generate electricity; and the wave power mechanism is free from intermittence, nodes, idle stroke, noise and pollution, unnecessary in synchronization, fully-closed, low in manufacturing and mounting cost, and high in electricity generating efficiency.
Owner:天津德恒源科技有限公司
Method for treating video of liquid crystal display device
InactiveCN102082896BLess exerciseImprove smearingTelevision system detailsStatic indicating devicesLiquid-crystal displayComputer graphics (images)
The invention discloses a method for treating a video of a liquid crystal display device, and in the method, interleaving and frame erasure techniques are utilized to lower the video image moving velocity so as to efficiently reduce the streaking phenomenon of the liquid crystal display device. The method comprises the following steps: 1) receiving and caching a to-be-displayed video signal; 2) estimating the motion of a continuous two-frame video and dividing a continuous three-frame video into a video with a smaller motion frame, a video with a proper motion frame and a video with a bigger motion frame; 3) performing frame erasure treatment on the video with the smaller motion frame, eliminating the middle frame of the continuous three-frame video, performing no treatment on the video with the proper motion frame, and performing interleaving treatment on the video with the bigger motion frame by using the interleaving technique based on bidirectional motion estimation and the motion compensation; and 4) finishing integrating the interleaved video and the frame-erased video with the original video and keeping a frame rate of the output video signal equal to the frame rate of the received video signal. The method is suitable for the current mainstream 50Hz / 60Hz liquid crystal display device as well as high-class liquid crystal display devices, such as the 100Hz / 120Hz / 200Hz / 240Hz liquid crystal display devices, and the like.
Owner:SUN YAT SEN UNIV
Five-link double-cam driving mechanism for tuck-in selvage bearded needle
A five-link double-cam driving mechanism for a tuck-in selvage bearded needle comprises a bearded-needle rotation conjugate cam and a roller moving driven piece conjugate cam mechanism. The bearded-needle rotation conjugate cam is fixedly connected to a cam shaft through a key; a swing rod is hinged to a box through a bearing to form a revolute pair, two rollers respectively contacting with the bearded-needle rotation conjugate cam are mounted on the revolute pair; the bearded-needle rotation conjugate cam, the swing rod, the rollers and the box form a roller swinging driven piece conjugate cam mechanism; one end of a connecting rod is hinged to the swing rod through a spherical bearing to form a spherical pair, the other end of the connecting rod is hinged to a bearded-needle rotating arm through a spherical bearing to form a spherical pair; the bearded-needle rotating arm is fixedly connected with a bearded-needle retractable shaft, and the bearded-needle retractable shaft is hinged to the box through a sliding bearing to form a cylindrical pair; the swing rod, the connecting rod, the bearded-needle rotating arm, the bearded-needle retractable shaft and the box form a spatial five-link mechanism; the bearded-needle rotation conjugate cam, a bearded-needle movable sliding seat, the rollers, the bearded-needle retractable shaft and the box form the roller moving driven piece conjugate cam mechanism. By the five-link double-cam driving mechanism having the advantages of few kinematic pairs and the like, processing cost can be reduced, processing difficulty can be lowered, and influences of kinematic pair gaps on kinematic errors of the bearded needle can be reduced.
Owner:ZHEJIANG SCI-TECH UNIV
Three-translation degree of freedom parallel mechanism having asymmetric branch chain
InactiveCN100446941CCompact structureLess exerciseProgramme-controlled manipulatorElectric machineDegrees of freedom
Owner:TIANJIN UNIV
In-vehicle body detection method
InactiveCN1468379ALess exerciseSave energyDiagnostic recording/measuringSensorsHuman bodyReflected waves
Owner:FUJITSU GENERAL LTD
Glass die heating device
ActiveCN102883490BReduce in quantityProtectGlass pressing apparatusWater circulationMechanical engineering
Owner:ORI MOLD TECH SUZHOU
Cardiology department postoperative rehabilitation nursing training device
InactiveCN111514534ALess exerciseTo achieve the effect of training loadSuction-kneading massageMuscle exercising devicesPhysical medicine and rehabilitationNursing care
The invention relates to the technical field of cardiology department postoperative rehabilitation training. The invention further discloses a cardiology department postoperative rehabilitation nursing training device. The device comprises a bed body, and the bottom of the bed body is fixedly connected with a supporting frame. A sliding rail is arranged on the surface of the supporting frame. Thesurface of the slide rail is slidably connected with a toothed plate; a spring rod is movably connected to the end, away from the sliding rail, of the toothed plate. The upper end of the spring rod ismovably connected with a binding sleeve; the surface of the toothed plate is movably connected with a gear; the upper surface of the gear is movably connected with an arc-shaped plate; a push rod ismovably connected into the arc-shaped plate; a magnetic rod is movably connected to the end, away from the arc-shaped plate, of the push rod. The upper end of the magnetic rod is movably connected with a push plate; the surface of the push plate is fixedly connected with a massage block, namely, the moving distance of the legs of a patient is shortened, consumed energy is reduced, exercised muscles are reduced, and on the contrary, when the heartbeat of the patient is slow, the moving distance of the binding sleeve is increased, so that the effect of applying corresponding training loads according to the heart rate condition of the patient during training is achieved.
Owner:JILIN UNIV FIRST HOSPITAL
Wave power mechanism and ocean wave power generation equipment with same
The invention discloses a wave power mechanism which comprises a box, a connecting shaft and a power shaft. The connecting shaft and the power shaft are arranged on the box, the connecting shaft is connected with a gear, the power shaft is connected with a first overrun clutch and a second overrun clutch, the gear and the first overrun clutch are engaged, the first overrun clutch and the second overrun clutch are engaged through a bevel gear mechanism, and the connecting shaft penetrates through the box to be connected with a floating arm in the radial direction. The wave power mechanism is of a pure mechanical structure, and has the advantages of being reliable, simple, small in number of kinematic pairs, small in size, easy to maintain and long in service life. The gravity of a floating box and the buoyancy of seawater are utilized for driving the floating arm to do vertical undulatory motion to form reciprocating motion, the lever force of the reciprocating motion is converted into high-speed one-way rotation to drive a generator to generate power through the structure, intermittence, joints and idle stroke are avoided, synchronization is not needed, and the wave power mechanism is totally closed, free of noise and pollution, low in manufacturing and mounting cost and high in power generation efficiency.
Owner:天津德恒源科技有限公司
Compressor and refrigerating device with same
PendingCN111396287ALess exerciseImprove operational efficiencyPositive displacement pump componentsPiston pumpsCrankKinematic pair
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
Process for preparing folding-resistant high barrier composite film in sputtering mode
InactiveCN108203811AReduce permeabilityImprove barrier propertiesVacuum evaporation coatingSputtering coatingHigh resistanceToxic gas
The invention discloses a process for preparing a folding-resistant high barrier composite film in a sputtering mode. The process is characterized in that a target is a composite material formed by blending a high-molecular polymer with an inorganic material or blending the high-molecular polymer with an inorganic oxide, specifically, the mass ratio of the high-molecular polymer to the inorganic material or to the inorganic oxide is 100:0.01-100:90; and with the high-molecular and inorganic composite material as the target, organic high-molecular flexible chain fragments are led into a barriermembrane through a radio frequency magnetic control co-sputtering method, and folding resistance of the film is improved. The prepared composite high barrier film has high resistance to vapor and oxygen, reduces permeability of water and oxygen, prolongs the preservation time of food aroma, prolongs the shelf life of food, reduces the permeability of toxic gas in the transportation process and further reduces the cost; and besides, the process of preparing the flexible high barrier packaging film through the radio frequency sputtering method is effectively simplified, the preparation cycle isobviously shortened, and the process has quite high practical application value.
Owner:GUIZHOU MINZU UNIV
Cutting insert and cutting tool equipped therewith
InactiveCN111975022ASmooth dischargeReduce scratchesCutting insertsTurning toolsStructural engineeringKnife blades
A cutting insert for groove machining is provided, which includes a front cutting edge, a chip breaker groove extending from a rear direction of the front cutting edge in a lengthwise direction of thecutting insert, land portions formed on both sides of the chip breaker groove, and inclined surfaces in continuity with the land portions and extending from the land portions to a rear direction of the cutting insert, wherein a distance in a transverse direction between left and right walls of the chip breaker groove gradually increases from an entrance of the chip breaker groove toward a boundary between the land portions and the inclined surfaces, and then gradually decreases upon passing the boundary, and the cutting insert is symmetrical about a longitudinal center line thereof.
Owner:KORLOY
Medium-frequency induction heating machine for glass molds
ActiveCN102875008AReduce in quantityLess exerciseGlass pressing apparatusElectric machineEngineering
The invention discloses a medium-frequency induction heating machine for glass molds, and belongs to the technical field of auxiliary facilities for glass mold manufacture. The medium-frequency induction heating machine comprises a frame, wherein the top end of the frame forms a machinery platform; the lower part of the machinery platform forms a water circulation cooling mechanism cavity; a mold mounting base is arranged on the surface of the machinery platform; a lifting mechanism of a medium-frequency induction heating box is fixed on the machinery platform; the medium-frequency induction heating box is erected on the lifting mechanism of the medium-frequency induction heating box; a coil of the medium-frequency induction heating box is positioned outside the medium-frequency induction heating box; and the coil is formed into a coil pipe shape. The medium-frequency induction heating machine is characterized in that the lifting mechanism of the medium-frequency induction heating box comprises a lifting rack, a motor, a sliding table, a screw, a fork foot rack, a first fork foot, a second fork foot and an induction box layer board, wherein the lifting rack is provided with a rack cavity. The medium-frequency induction heating machine has the advantages that the amount of power devices is reduced, the energy saving is embodied, and the movement links are reduced significantly, so that convenience is brought for improving the operation efficiency.
Owner:ORI MOLD TECH SUZHOU
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