Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

167results about How to "Guaranteed stability" patented technology

Sub-micron scale glass subsurface defect detection device and method

ActiveCN105842257AGuaranteed Quantitative MeasurementsGuaranteed stabilityMaterial analysis by optical meansMicron scaleGrating
The invention discloses a sub-micron scale glass subsurface defect detection device and method. A light source part of the device comprises a super-continuum luminous spectrum light source and a single-mode optical fiber circulator; a reference arm and sample arm part comprises a first collimating lens, a 45-degree cylindrical reflecting mirror, a reference objective, a reference reflecting mirror, a two-dimensional scanning galvanometer, a sample objective and a part to be detected; a detection arm part comprises a second collimating lens, a transmission grating, a focusing lens, a photoelectric detector and a computer. The method comprises the steps that light of a reference arm and light of a sample arm return back to the single-mode optical fiber circulator in the same way, light beams of the two arms encounter, and interference is caused; interfered light beams are subjected to light splitting through the transmission grating and then focused on different pixel elements of the photoelectric detector through the focusing lens, the photoelectric detector inputs collected signals into the computer, the signals are processed, and faultage images of different positions are obtained. According to the sub-micron scale glass subsurface defect detection device and method, the ultra-wide band light source, the high-power aperture imaging objectives and the common light path imaging structure are adopted, and the three-dimensional structure of sub-micron scale glass subsurface cracks is obtained.
Owner:NANJING UNIV OF SCI & TECH

Electric vehicle charging device

ActiveCN107139763AImprove stability and securityReduce electric shock accidentsCharging stationsCoupling device detailsElectric vehicleEngineering
The invention discloses an electric vehicle charging device. The device comprises a charging pile body and a charging gun head which penetrates into the charging pile body and is connected with the charging pile body in a matched mode. A bottom plate is fixedly arranged at the bottom of the charging pile body, a countersunk groove with a downward opening is formed in the bottom of the bottom plate, and a counterweight iron block is detachably arranged in the countersunk groove; a clamping groove with a forward opening is formed in the charging pile body, and a penetrating groove communicated with the clamping groove is formed in the rear end of the clamping groove; a charging cavity communicated with the penetrating groove is formed in the rear end of the penetrating groove; control grooves communicated with the penetration groove are symmetrically formed in the positions, on the left side and the right side of the charging cavity, of the charging pile body; fastening devices used for fastening the charging cavity are symmetrically arranged on the positions, on the left side and the right side of the charging cavity, in the charging pile body. The device is simple in overall structure, power supply is safe and stable, overall operation is safe and reliable, electric shock accidents in existing life are effectively reduced, and the device is suitable for application and popularization.
Owner:JIANGSU XIYI HIGH NEW DISTRICT TECH DEV CO LTD

Socket capable of changing jack distance through local deformation

The invention provides the socket capable of changing the jack distance through local deformation, and relates to the field of sockets. The problem that the use of the adjacent jacks is easily influenced due to the fact that a plug with a relatively large size is regularly used in the socket jack is solved. The socket capable of changing the jack distance through local deformation comprises a socket base, wherein a telescopic turning cylinder is inserted into one side of the socket base; the bottom of the inner wall of the telescopic turning cylinder is adhered with a two-hole base cylinder; athree-hole base cylinder is adhered to the bottom of the inner wall of the socket base; the bottom of the inner wall of the two-hole base cylinder and the bottom of the inner wall of the three-hole base cylinder are riveted with a conductive copper piece through screws. According to the socket capable of changing the distance of the jack through local deformation, when two jacks are used, the size of the plug is relatively large, and the position of the two jacks is directly occupied during use; the telescopic turnover cylinder can be drawn out and overturned to be perpendicular to the socketbase, so that the using surfaces of the jacks are located at different planes, and the use of the jacks is not obstructed; and the socket can be shrunk into a relatively small volume when not used, so that the socket is convenient to carry and capable of expanding the use of a plurality of plugs during use.
Owner:BOLUO LIANYI LIGHTING ELECTRICAL APPLIANCE PROD

High-universality feeding device of pipe end-facing machine and feeding method

ActiveCN104907879AImprove processing qualityEasy to correctMetal working apparatusEngineeringScrew thread
The invention discloses a high-universality feeding device of a pipe end-facing machine and a feeding method. The feeding device of the pipe end-facing machine comprises a feeding mechanism and a manipulator, wherein the feeding mechanism comprises a feeding rack, a chain conveying mechanism and a plurality of pipe end-facing feeding supporting plates; each pipe end-facing feeding supporting plate comprises a supporting plate body, a main supporting block and a first auxiliary supporting block, wherein a first adjustment through hole is further formed in one side of the supporting plate body; the first auxiliary supporting block comprises a first adjustment block, a supporting screw rod, a first locking screw and a first locking nut; the supporting screw rod comprises a screw rod part and a screw rod fork part; a plurality of threaded holes are formed in the first adjustment block; the first locking screw penetrates through the first adjustment through hole in the supporting plate body and is screwed into one threaded hole of the first adjustment block; the screw rod part of the supporting screw rod penetrates through the first locking nut, is screwed into another threaded hole in the first adjustment block and then is locked through the first locking nut; a main fork part is formed on the main supporting block; the pipe is supported by the main fork part and the screw rod fork part. According to the invention, the processing quality is improved.
Owner:GUANGDONG GLORY METAL PROD CO LTD

Upward pulling and lowering device for condensation pipe based on thermal power plant cooling tower

InactiveCN110654941AAvoid damageGuaranteed stabilityConveyor partsNon-rotary device cleaningCooling towerElectric machine
The invention discloses an upward pulling and lowering device for a condensation pipe based on a thermal power plant cooling tower. The device comprises a case, an upward pulling and lowering mechanism and a cleaning mechanism. The upward pulling and lowering mechanism and the cleaning mechanism are fixedly mounted in the case, the upward pulling and lowering mechanism comprises a motor, the poweroutput end of the motor penetrates through the case and is fixedly connected with a rotating shaft, one end of the rotating shaft is rotatably mounted on the inner wall surface of the case through abearing pedestal, the rotating shaft is sleeved with a winding roller, and the surface of the winding roller is wound with two wire ropes. A clamping mechanism is arranged, during actual use, the condensation pipe is prevented from being damaged, condensation pipes of different diameters can be met, the application range is wide, when the condensation pipe is lowered or pulled upward, a first spring is stretched, vibration generated during lowering or upward puling is buffered and released, stability during upward pulling and lowering of the condensation pipe can be ensured, and the damage tothe condensation pipe due to vibration can be avoided.
Owner:大唐郓城发电有限公司

Stirring head for friction stir welding

InactiveCN105522275AImprove welding stabilityImprove stabilityNon-electric welding apparatusEngineeringFriction stir welding
The invention discloses a stirring head for friction stir welding, and belongs to the field of friction stir welding technical devices. The stirring head comprises a stirring head shaft shoulder; a stirring needle is positioned below the stirring head shaft shoulder; the bottom surface of the stirring head shaft shoulder is an inclined surface, and is a contact surface between the shaft shoulder and a welded workpiece; the direction of the inclined surface is as follows: when the stirring needle is downwards, the inclined surface is inclined from the center of the bottom surface to the outer and upper directions; and an included angle between the inclined surface and a vertical line of axis of the stirring head is 1-10 degrees. The stirring heads forms a compact welding line, improves the quality of the welding line, and guarantees high reliability and stability of the welding line.
Owner:河南正航主轴科技有限公司

Anti-roll adjustable hydro-pneumatic suspension hydraulic system

ActiveCN112009193AGuaranteed stabilityReduce vibrationInterconnection systemsResilient suspensionsHydraulic control unitHydropneumatic suspension
The invention discloses an anti-roll adjustable hydro-pneumatic suspension hydraulic system which comprises a suspension hydraulic control unit and an oil pipeline which are arranged on each axle, each suspension hydraulic control unit comprises two groups of suspension control mechanisms on the left side and the right side respectively, and each suspension control mechanism comprises an oil cylinder, a valve piece, a pipeline and an energy accumulator; a rod cavity of an oil cylinder on one side of each suspension hydraulic control unit is communicated with a rodless cavity oil way on the other side of the same unit through a valve piece and a pipeline, and a rodless cavity of each oil cylinder is connected with an energy accumulator of the suspension control mechanism in the same set through a valve piece. The stability of speed control when the suspension oil cylinder bears large load and descends is achieved; meanwhile, the suspension oil cylinder can bear the load borne by a suspension system when a hydraulic system does not act, the hydraulic system is prevented from being overloaded, so that the safety of the hydraulic system and the whole vehicle is protected; vehicle posture adjustment and speed adjustment such as vehicle body lifting, front-back pitching, left-right inclining and vehicle body leveling can be achieved.
Owner:TAIAN AEROSPACE SPECIAL VEHICLE CO LTD

Wheeled robot with cleaning and clamping function for medical assistance

InactiveCN110303508AGuaranteed stabilityIncrease coefficient of frictionManipulatorRadiationAgricultural engineeringElectric motor
The invention relates to a wheeled robot with a cleaning and clamping function for medical assistance. The wheeled robot comprises a chassis, friction pads and an electric push rod, wherein a first transmission structure is arranged in the middle of the chassis, auxiliary embedding grooves are formed in the two sides of the middle of the chassis, the friction pads are attached to the inner walls of the auxiliary embedding grooves, a main embedding groove is formed in the middle of the rear end of the chassis, clamping mechanisms are arranged at the two ends of the main embedding groove, and fixing rings are distributed on the two sides of the rear end of the chassis. According to the robot, the first transmission structure, a first motor, a transmission gear, a connecting shaft and main vehicle wheels are arranged, the first transmission structure comprises the first motor, the transmission gear, the connecting shaft and the main vehicle wheels, and is used as a power source of the whole equipment, when the first motor rotates, the transmission gear drives the connecting shaft to rotate, the main vehicle wheels on the two sides are rotated, meanwhile, the outer walls of the main wheels adopt anti-slip design, so that the slipping condition of the main wheels is reduced.
Owner:DONGGUAN UNIV OF TECH

Test method for horizontal linearity of A-type pulse reflection digital ultrasonic testing system

PendingCN108918687AGuaranteed stabilityOvercome horizontal linearityMaterial analysis using sonic/ultrasonic/infrasonic wavesA wave amplitudeAMAX
A test method for the horizontal linearity of an A-type pulse reflection digital ultrasonic testing system is as follows: connecting a digital ultrasonic detector with a BH-50 type echo probe; adjusting detector gain and a scanning controller to allow a screen to display Nth time bottom wave, wherein N is preferably 5 or 6; moving a gate to cover first reflecting echo, using the first reflecting echo for longitudinal wave scan baseline calibration; after the first reflecting echo shows scan baseline acoustic path number is correct, adjusting an attenuator to allow the amplitude to achieve 80%;moving the gate to respectively cover second to Nth reflection echoes, respectively reading peak reading of bottom waves to use as actually-measuring acoustic path values, respectively calculating deviations between the actually-measuring acoustic path values and a theoretical acoustic path value; taking the maximum deviation as amax, and obtaining horizontal linearity error DELTA L = (absolute value of amax) %. The test method can effectively and quickly solve the testing of the horizontal linearity of the A-type pulse reflection digital ultrasonic testing system, and is more accurate and faster than the previous method of scale-to-front end scale.
Owner:北京科安特无损检测有限公司

Self-resetting shear wall hybrid structure

ActiveCN109854054AGuaranteed stabilityReduce lossProtective buildings/sheltersShock proofingEarthquake resistanceEarthquake resistant
The invention provides a self-resetting shear wall hybrid structure, and belongs to the technical field of building structure self-resetting and earthquake resistance. According to the self-resettingshear wall hybrid structure, the problems that existing earthquake-resistant buildings are large in residual deformation under large earthquakes and difficult to repair are solved; and the self-resetting shear wall hybrid structure comprises a base, column bodies, a shear wall, prestressed tendons and wall corner components. According to the self-resetting shear wall hybrid structure, firstly, through arrangement of the wall corner components, the self-resetting shear wall hybrid structure has a certain self-resetting function, and thus the situation that the self-resetting shear wall hybrid structure deforms after the earthquakes is avoided, that is, the shear wall after the earthquakes is repaired; and secondly, all floor beams are hinged to the corresponding column bodies through hingeplates, thus the influences of a building frame on the column bodies are effectively reduced, that is, the influences of the building frame on the shear wall are effectively reduced, the loss of the self-resetting shear wall hybrid structure is also reduced, and meanwhile, the working stability of the self-resetting shear wall hybrid structure is also guaranteed.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY

Live broadcasting stream processing method, device and system

An embodiment of the invention provides a live broadcasting stream processing method, a live broadcasting stream processing device and a live broadcasting stream processing system. The live broadcasting stream processing method comprises the step of combining live broadcasting stream playing requests of a client in a preset duration to form a general live broadcasting stream playing request, so that the live broadcasting stream playing request transmitted through a network is only one when a plurality of the live broadcasting streams are requested to play on the client. Therefore, the number of the live broadcasting stream playing requests transmitted through the network can be reduced, thereby reducing interaction times and saving network resources. In addition, the probability of transmission failure when transmitting one live broadcasting stream playing request is low in the prior art, and the probability of transmission failure of one request among the plurality of live broadcasting stream playing requests is high. The plurality of live broadcasting stream playing requests are combined to form one broadcasting stream playing request to be transmitted in the network, thereby being capable of effectively avoiding the situation of communication failure since some of the live broadcasting stream playing requests cannot be transmitted in the prior art due to poor network state, and ensuring stability of communication.
Owner:LETV HLDG BEIJING CO LTD +1

Water jet propulsion pump

InactiveCN103527521AGuaranteed working noiseGuaranteed high performance and long lifePump componentsPropulsive elementsImpellerWater jet
The invention belongs to the field of pumps and particularly relates to a water jet propulsion pump which comprises a pump body and a pump shaft assembly arranged at a pump cavity of the pump body. The pump shaft assembly at least comprises a pump shaft and an impeller wheel arranged on the pump shaft; the pump shaft is of a simply supported beam structure with bearings at the two ends of the pump shaft fixedly connected, the tail end of the pump shaft and a power source of the water jet propulsion pump are in normal-running fit, and the head end of the pump shaft extends in the axial direction and is in bearing fit with a bearing assembly arranged on the pump body; bounded by an impeller wheel body, the water jet propulsion pump is divided into a water inlet area and a water outlet area, wherein the water inlet area is communicated with a liquid inlet of the pump body, and the water outlet area is used for discharging water; a reflux passageway used for reducing the hydraulic thrust at the bearing assembly is arranged between the water inlet area and the water outlet area, and the water inlet area of the pump body, the water outlet area of the pump body, gaps to be lubricated of the bearing assembly and the reflux passageway are sequentially communicated and form a circular flow channel. The water jet propulsion pump is reasonable and practical in structure, wide in working usage range and long in service life, and high-efficiency work of components within the whole water outlet area of the pump body can be effectively guaranteed.
Owner:HUAZHONG UNIV OF SCI & TECH +2

Automatic deviation correction device

The invention discloses an automatic deviation correction device. The automatic deviation correction device comprises a fixed base, a deviation correction sensor, a deviation correction driving mechanism, a first deviation correction roller mechanism and a deviation correction roller driving mechanism; the deviation correction driving mechanism comprises a deviation correction roller support and a front-back moving mechanism, wherein the deviation correction roller support can be moved inwards or outwards in the direction perpendicular to the base material conveying direction through the front-back moving mechanism; the first deviation correction roller mechanism is arranged in front of the deviation correction roller support, a second deviation correction roller mechanism is arranged in back of the deviation correction roller support, and the first deviation correction roller mechanism and the second deviation correction roller mechanism comprise lower deviation correction compression rollers, upper deviation correction compression rollers and vertical moving mechanisms, wherein the vertical moving mechanisms can drive the upper deviation correction compression rollers to vertically move and are used for clamping base materials between the upper deviation correction compression rollers and the lower deviation correction compression rollers; the deviation correction roller support is provided with the deviation correction roller driving mechanism used for driving the lower deviation correction compression rollers on the first deviation correction roller mechanism to rotate. The automatic deviation correction device has the advantages of being high in deviation correction reliability and simple in structure.
Owner:WUXI LEAD INTELLIGENT EQUIP CO LTD

Feeding mechanism for automobile engine hood lock bolts

InactiveCN111299998AGuaranteed stabilityReduce the probability of jammingMetal working apparatusAutomotive engineElectrical and Electronics engineering
The invention discloses a feeding mechanism for automobile engine hood lock bolts. The feeding mechanism includes a fourth conveying channel, a blocking disc is installed near the end, near a third conveying channel, of the fourth conveying channel, and blocking rods are arranged on the blocking disc; the blocking rods can be installed in the fourth conveying channel to block the passage of the engine hood lock bolts; the blocking disc is fixed to a blocking rotating shaft in a sleeving mode, a stop disc is further fixed to the blocking rotating shaft, stop clamping slots evenly distributed along the circumference of the stop disc are formed in the outer wall of the stop disc, and the stop clamping slots can be assembled with stop clamping rods in a clamping mode; the inner ring of a one-way bearing is fixed to the blocking rotating shaft in a sleeving mode, and the outer ring of the one-way bearing is fixed to a gear in an assembled mode; a shaft collar is installed between the blocking disc and the stop disc, the shaft collar sleeves the outside of the blocking rotating shaft and can be circumferentially and rotatably assembled with the blocking rotating shaft, and the shaft collar is fixed to a machine frame in an assembled mode through a shaft collar fixing plate; the gear is in meshing transmission with clamping teeth on a rack; and the rack is clamped in a rack guide block and assembled with the rack guide block slidably, the rack guide block is fixed to the machine frame, and one end of the rack is hinged to a connecting rod through a fourth hinge pin.
Owner:LIAONING INST OF SCI & TECH

Railway line obstacle automatic recognition method based on two-dimensional laser radar

InactiveCN107966711AGuaranteed stabilityReduce the impact of judgmentElectromagnetic wave reradiationRadarLaser
The invention provides a railway line obstacle automatic recognition method based on a two-dimensional laser radar. The method particularly comprises steps: 1) reciprocating step plane scanning is carried out through the two-dimensional laser radar arranged above the railway line, and whether an obstacle exists is judged preliminarily according to the acquired reciprocating plane scanned data; 2)if an obstacle exists, whether the obstacle belongs to a temporary obstacle is judged according to the reciprocating plane scanned data and pre-stored background data, and a rough existing angle rangeof the temporary obstacle is acquired; 3) single fine step scanning is carried out in the rough existing angle range of the temporary obstacle, and the obstacle information of the temporary obstacleis acquired; 4) according to the obstacle information and a pre-stored steel rail position, whether the obstacle is a train wheel is judged, and the obstacle information in a global obstacle list is updated; and 5) the existing time of the obstacle information in the global obstacle list is accumulated, and when the accumulated existing time exceeds a preset time threshold, alarming information isgenerated.
Owner:HENAN SPLENDOR SCI & TECH

Linkage system and linkage communication method for range hood and kitchen range

ActiveCN110894963AAvoid signal interferenceGuaranteed stabilityCooking fumes removalDomestic stoves or rangesData transmissionInterference (communication)
The invention relates to a linkage system and linkage communication method for a range hood and a kitchen range. The kitchen range adopts a plurality of groups of infrared receiving and transmitting devices to communicate with a group of infrared receiving and transmitting devices in the range hood, and corresponding default transmitting priorities are set for each group of infrared transmitting devices in the kitchen range, so that each group of infrared transmitting devices in the kitchen range sequentially transmits data to the range hood according to the sequence of the default transmitting priorities, therefore, the direction of infrared signals emitted by the kitchen range is controllable, and as long as one group of infrared receiving devices successfully receives response signals of the range hood, data transmission of other groups of infrared emitting devices is stopped, and linkage communication between the kitchen range and the range hood is established, so that the problemthat the infrared transmitting and receiving devices are shielded is effectively solved, signal interference caused by data emitted by different groups of infrared emitting devices of the kitchen range is avoided, mutual interference among the signals is reduced, and therefore, the stability between the kitchen range and the range hood is ensured during linkage communication.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Preparation method and preparation device of electronic-grade dimethyl carbonate

PendingCN113941169AFlexible operationGuaranteed stabilityCarbonic/haloformic acid esters purification/separationCrystallization auxillary selectionChemical engineeringChemistry
The invention relates to the field of lithium battery electrolyte, in particular to a preparation method and a preparation device of electronic-grade dimethyl carbonate, and the preparation device comprises a suspension crystallizer, a solid-liquid separator, a static crystallizer and a dehydrating tower; the suspension crystallizer is connected with the dehydrating tower through the solid-liquid separator and the static crystallizer in sequence; and suspension crystallization, solid-liquid separation, static crystallization and dehydration are performed on the crude DMC product to obtain the electronic-grade DMC. Compared with the prior art, the DMC crude product is purified by combining suspension crystallization and static crystallization, aiming at the physical property of the dimethyl carbonate, the process characteristics of the two crystallization modes are fully utilized, the production of the electronic-grade DMC is realized, the methanol content in the product is lower than 20ppm, the water content is lower than 20ppm, and the content of the dimethyl carbonate is not lower than 99.99 wt%; and a plurality of material circulations are set in the process so that the yield of the dimethyl carbonate in the final electronic-grade DMC reaches 80% or above.
Owner:德艾柯工业技术(江苏)有限公司

Pesticide sprayer with self-propelled spraying frame and of which height is adjustable to adapt to various crops with high or short stalks

The invention relates to the technical field of equipment for plant protection, in particular to a pesticide sprayer with a self-propelled spraying frame and of which the height is adjustable to adaptto various crops with high or short stalks. The pesticide sprayer comprises a rack, a walking transmission device and a spraying device; a driving chamber is arranged at the upper end of the front part of the rack, and a left stand shaft frame and a right stand shaft frame are fixed to the left and right sides of the front part of the rack, and a left front walking wheel and a right front walkingwheel are installed at the left and right sides of the front part of the rack respectively; left and right pesticide boxes are arranged at the left and right sides of the lower end of the rack respectively, and thus the stability of the equipment is ensured; the chassis height of the equipment is increased through the left stand shaft frame, the right stand shaft frame, a left rear wheel frame and a right rear wheel frame, and thus the equipment can adapt to spraying of the high-stalk crops, while the crops will not be damaged; pesticide spraying operation in a wide work range can be achievedby spreading a folding arm frame, the equipment can be convenient to transport and park by folding the folding arm frame, the occupation area is reduced, and the pesticide sprayer with the self-propelled spraying frame and of which the height is adjustable to adapt to the various crops with the high or short stalks has the advantages of being high in pesticide spraying speed and efficiency, simple in structure and low in cost.
Owner:王洪连
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products