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Cooking utensil
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
Method for treating waste incineration fly ash by using plasmas
InactiveCN101797572APromote vitrificationSolve the "bridge" problemSolid waste disposalMelting tankVitrification
Owner:安徽中科华炬环保科技有限公司
Three-component fiber blended yarns and manufacturing process thereof
The invention discloses three-component fiber blended yarns, which are characterized by comprising 60 to 70 percent of polyester fiber, 15 to 25 percent of vinylon fiber, 15 to 25 percent of upland cotton fiber, wherein the warp and weft count in the yarns is 19.6*2. A manufacturing process of the three-component fiber blended yarns comprises the following steps of: cotton clearing, cotton carding, pre-drawing, combing, drawing, roving and spinning to complete the spinning of the three-component fiber blended yarns. The three-component fiber blended yarns have accurate fiber content and can solve the problem of sticky winding during spinning. Products manufactured by the process can be made into blended fabrics of the polyester fiber, the vinylon fiber and the cotton fiber, so wear-resisting and comfortable blended products are provided for the field of spinning.
Owner:JIHUA 3542 TEXTILE CO LTD
Braking system of electronic hand brake and control method thereof
ActiveCN105059282ASolve stuckAvoid stickingBraking action transmissionBrake-by-wireMotor driveElectronic controller
The invention discloses a braking system of an electronic hand brake and a control method thereof and aims at overcoming the problems that a speed changing rod is locked when a gear-P parking system of a speed changing box perform parking on a slope, the speed changing box is damaged in the running process due to misoperation after the a gear P is engaged and a pure electric vehicle is not parked and accordingly slides on the slope when being charged. The braking system of the electronic hand brake comprises an EPB button (10), an EPB electronic controller (5), a rear left brake (11) and a rear right brake (12). The EPB button (10) is in wired connection with a lead 1, a lead 2, a lead 3 and a lead 4 of a button identification chip (9) in the EPB electronic controller (5) through a signal wire SW1, a signal wire SW2, a signal wire SW3 and a signal wire SW4 sequentially, and a motor driving circuit (8) in the EPB electronic controller (5) is connected with a rear left motor (13) and a rear right motor (14) through cables sequentially. The invention further provides the control method of the braking system of the electronic hand brake.
Owner:苏州萨克汽车科技有限公司
Processing box
ActiveCN103885313AEasy to disassembleEasy to installElectrography/magnetographyEngineeringMechanical engineering
The invention provides a processing box. The processing box comprises a shell, a cavity for containing consumables is defined by the shell, a roller is rotationally arranged in the cavity and comprises a roller body and a driving assembly on one end of the roller body, the driving assembly comprises a gear seat and a driving force receiving part, the gear seat is provided with a containing cavity which is concave inwards axially and comprises a driven part on the inner wall of the containing cavity, the outer wall of the gear seat is provided with a first gear part, the driving force receiving part comprises a driving part in the containing cavity, a driving force receiving part outside the containing cavity and a connecting part connected with the driving part and the driving force receiving part, the driving part is connected with the driven part, the processing box is also provided with a touch control device on the shell, the touch control device is connected with the gear part and drives the first gear part to rotate, and the driven part drives the driving part to rotate. The touch control device is adjusted to solve the problem that the processing box gets stuck, and the processing box can be conveniently disassembled from a printer or installed on the printer.
Owner:PRINT RITE UNICORN IMAGE PROD CO LTD
Puncture outfit sealing system capable of being turned inwards wholly
Owner:5R MED TECH CHENGDU CO LTD
Household appliance, independent communication module, communication method and control system
ActiveCN104486176ASolve stuckAvoid stickingData switching by path configurationProgramme total factory controlCommunication interfaceControl system
The invention discloses a communication method of a household appliance master control module and an independent communication module, wherein the household electric appliance master control module and the independent communication module are connected through a communication interface. The communication method comprises the following steps: transmitting a control instruction to the household appliance master control module by the independent communication module according to a preset period, and alternately receiving feedback information of the household appliance master control module; recording information reception / transmission time by the independent communication module; if the information reception / transmission information achieves a total reception / transmission time threshold and the independent communication module does not receive response information fed back by the household appliance master control module, judging that the communication is abnormal by the independent communication module; and stopping sending the control instruction by the independent communication module and stopping communicating with the household appliance master control module. According to the communication method of the household appliance master control module and the independent communication module, the communication jamming of household appliances can be avoided and the communication is more stable. The invention also discloses a household appliance, the independent communication module and a control system of the household appliance.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1
Anomaly detection control method for electronic expansion valves of multi-split air conditioner indoor units
ActiveCN110567095ASolve stuckReduced performance impactMechanical apparatusSpace heating and ventilation safety systemsAnomaly detectionTemperature difference
The invention discloses an anomaly detection control method for electronic expansion valves of multi-split air conditioner indoor units. According to the method, the indoor units with the abnormal electronic expansion valves are preliminarily identified by judging the temperature difference values of coil pipes of the indoor units and the opening degrees of the electronic expansion valves of the indoor units in the refrigerating operation state; after the identified abnormal indoor units are stopped, the electronic expansion valves of the abnormal indoor units are restored and repaired to solve the jamming problem of the electronic expansion valves, and the indoor units with the electronic expansion valves having a leakage problem are further identified through the temperature difference values between the coil pipes of the abnormal indoor units and the environment; and special control is performed on the indoor units with the electronic expansion valves having a leakage problem, so that influence, from the abnormal indoor units, on the effects of other indoor units is reduced, and meanwhile, the liquid return risk is reduced.
Owner:NINGBO AUX ELECTRIC
Small-sized soluble bridge plug
The invention relates to a small-sized soluble bridge plug. The small-sized soluble bridge plug comprises a central pipe and a compression sleeve sleeving the upper end of the central pipe and used for compressing a rubber cylinder; a limited C-shaped ring is sandwiched between the compression sleeve and the central pipe; the compression sleeve and the limited C-shaped ring are clamped and fixed by threads; the outer side wall of the central pipe is provided with a thread-like continuous protrusion along the compressed traveling direction of a compression assembly; the inner wall of the limited C-shaped ring is provided with a thread-like continuous groove engaged with the thread-like continuous protrusion. Compared with a traditional double-slip bridge plug, the matched structure of the compression sleeve and the limited C-shaped ring is fixed without expansion produced by relative movements of two components of an existing slip assembly, a setting stroke is greatly decreased, and setting by cable pumping is allowed; in addition, due to the omittion of one slip assembly, the use area on the central pipe is saved, rubber cylinder lengthening design is allowed, and accordingly the expansion degree of the rubber cylinder and improvement of setting capability with expansion increase are ensured.
Owner:四川长宁天然气开发有限责任公司 +1
Feeding mechanism for leather imitation bottom sheet
InactiveCN105584819AEffective protectionReduce work intensityConveyorsConveyor partsTransmission beltEngineering
The invention discloses a feeding mechanism for a leather imitation bottom sheet. The feeding mechanism comprises a rack, a right conveying device, an overturning device and a left conveying device. Each of the right conveying device and the left conveying device comprises a conveying assembly, a transmission belt and a transmission motor. The overturning device comprises a conveying device, overturning supports, a support base, an overturning shaft, an overturning motor, a worm reducer and a transmission belt. The support base is arranged on the overturning shaft. The eight sets of overturning supports are fixed to the support base. Each set of overturning support includes eight pairs of square tubes, a certain included angle is formed between each pair of square tubes, and in other words, the upper row of square tubes and the lower row of square tubes are formed and used for conveying the leather imitation bottom sheet. The whole feeding mechanism is controlled through a PC controller. By means of the feeding mechanism, the leather imitation bottom sheet can be automatically overturned and automatically conveyed to a polishing or fine grinding device after the bottom face of the leather imitation bottom sheet is flatly ground, conveyance is stable during overturning, time and labor are saved, the work intensity is lowered, and the working efficiency is improved.
Owner:HAINING HAIXIANG SHOE MATERIAL
Air pressure fatigue load test method and device for train window
InactiveCN104677624ASimple structureEasy to controlMachine part testingRailway vehicle testingLinear motionControl system
The invention discloses an air pressure fatigue load test method and device for a train window. The device comprises a test piece seal cavity used for fixing and sealing a test piece, a drive mechanism used for outputting a reciprocating linear motion, a piston mechanism capable of doing the reciprocating linear motion under a drive action of the drive mechanism to change air pressure in the seal cavity, a monitoring device at least used for monitoring the air pressure in the seal cavity in real time, and a control system at least connected with the drive mechanism and the monitoring device, wherein the drive mechanism is at least used for driving the piston mechanism to do the reciprocating linear motion. The device has the characteristics of simple structure, low cost, convenience for assembly, stable control and the like, is simple to operate, and can efficiently realize a positive and negative pressure fatigue load test of train windows and train doors of a standardized motor train unit.
Owner:TIANJIN AEROSPACE RELIA TECH
Method for solving tree control node quantity restriction
ActiveCN105468365ABreak outAvoid stickingExecution for user interfacesOperational systemParallel computing
The invention discloses a method for solving tree control node quantity restriction. Node data is asynchronously loaded in batches to improve a tree control node data loading success rate and reduce a series of faults caused by the data loading failure of the tree control node data; the node data of a visible region is dynamically loaded, the node data of an invisible region can be removed, so that consumption on the memory of an operating system, a CPU (Central Processing Unit) and the like by the tree control can be effectively lowered, the resource use ratio of the operating system is improved, and the problem that an interface is stuck and the like since the tree control excessively consumes the resources of the operating system is solved so as to fundamentally break through the node quantity restriction by the tree control.
Owner:XIAMEN YAXON NETWORKS CO LTD
Drum type feeding device and quantitative feeding method
ActiveCN106719031AFor precise controlImprove practicalityClimate change adaptationAnimal feeding devicesEngineeringDevice failure
The invention discloses a drum type feeding device. The drum type feeding device comprises a base. The feeding device further comprises a storage container and a feeding control assembly. The storage container and the feeding control assembly are arranged on the base. The storage container comprises a first discharge port. The feeding control assembly comprises a second discharge port, and the first discharge port and the second discharge port have the relative sliding freedom degrees. The first discharge port and the second discharge port can be driven by a driving device to be periodically shielded or aligned. Compared with the prior art, the drum type feeding device has the advantage of aiming at the problems that in the background technology, the control difficulty of the solid particulate matter foodstuff feeding amount is high, and blocking is likely to happen. By means of the drum type feeding device, on the one hand, rolling vibration of solid particular matter is achieved through motion of the storage container, and the problem of blocking is solved. In the preferred scheme, the practicality of the device is improved through an additionally arranged discharged material metering and conveying device, meanwhile, the discharge amount is further calibrated, and the device can be applied to judgment of equipment faults.
Owner:SEGO INTERNET OF THINGS CO LTD
Puller capable of being quickly dismounted and with nano-pore in surface for metal zipper
The invention provides a puller capable of being quickly dismounted and with nano-pore in the surface for a metal zipper. The puller comprises a lower wing plate and an upper wing plate, wherein the upper wing plate is correspondingly combined with the lower wing plate to form a zipper head; a first pivoting part is arranged at the upper front end of the lower wing plate; at least one clamping groove is formed through the rear side of the first pivoting part at the lower wing plate; a second pivoting part is arranged at the front end of the lower sidewall surface of the upper wing plate, and the second pivoting part is correspondingly pivoted to the first pivoting part; a clamping part which is correspondingly clamped into each clamping groove convexly extends to be formed at the rear side of the second pivoting part at the upper wing plate. According to the puller, the clamping part is designed; when dismounting, a user can simply shift the clamping part to enable the clamping part to be automatically released from the clamping groove, and therefore, the problem that the zipper head and a cloth belt are deadly clamped during pulling can be greatly solved.
Owner:福建泉州市健凯服饰有限公司
Backlash compensation mechanism applicable to reduction mechanism of electric power steering system
ActiveCN107985394ASolve stuckAvoid stickingElectrical steeringGearing detailsElectric power steeringElectric power system
The invention discloses a backlash compensation mechanism applicable to a reduction mechanism of an electric power steering system. The reduction mechanism comprises a reduction box body, a worm gearand a worm, wherein the worm gear is engaged with the worm. The backlash compensation mechanism comprises a first bearing that sleeves the worm, a tolerance compensation ring sleeving the first bearing and allowing the worm to float, and a jackscrew assembly for providing the worm with elastic supporting force. The backlash compensation mechanism has the advantages that jamming or backlash abnormal sound caused by expansion or contraction of the reduction box body, worm gear and worm due to external ambient changes (temperature, humidity and the like) during engaging of the worm gear and the worm, and adaptability of worm-gear engagement is improved; mechanical abnormal sound and steering delay caused by engaging backlash increase due to abrasion of the worm gear and worm can be avoided, and driving comfort is improved.
Owner:WUHU STERLING STEERING SYST
Transmitting method and device of solar battery slice
ActiveCN101976709AReusableLong-term useFinal product manufactureSemiconductor devicesRolling paperDrive shaft
The invention relates to transmitting method and device of a solar battery slice. The device comprises a single-motor transmission mechanism, roll paper and two roll paper shafts, wherein the single-motor transmission mechanism can rotate in a forward direction and a reverse direction; the roll paper shafts are used for installing the roll paper; the two roll paper shafts are connected with a transmission shaft of the transmission mechanism and rotate along with the transmission shaft, both ends of the roll paper are respectively rolled on the two roll paper shaft, and in the two neighboring rotations of the transmission mechanism, the distances of the roll paper walking in the forward direction and the reverse direction are equal. By adopting the device and method, an electric motor can realize forward and reverse-direction paper feeding so that the roll paper can be repeatedly utilized for a long term, and the problems of paper blockage or paper breakage and the like are avoided.
Owner:SUZHOU MAXWELL TECH CO LTD
Waste debris collection device for gear processing
ActiveCN108568696ASolve stuckMaintainance and safety accessoriesGrinding/polishing safety devicesEngineeringElectromagnet
The invention belongs to the technical field of gear processing, and particularly discloses a waste debris collection device for gear processing. The device comprises a collecting table; an electromagnet is arranged on the upper surface of the collecting table; filtering holes and sliding rails are disposed in the upper surface of the collecting table; a scraper blade is connected with the slidingrails in a sliding manner; an air cylinder is arranged at a bottom end of the collecting table; an inclined plate is connected with a piston rod of the air cylinder; a support frame is arranged abovethe inclined plate; support strips with bosses are arranged in the support frame; chip removing holes are arranged in the collecting table; the chip removing holes are rotationally connected with rubber rods; a sliding rod is arranged on the support frame; a sliding block is connected with the sliding rod in a sliding manner; two vertical plates are arranged on the support frame; the first vertical plate is hinged with a first group of teeth with end portions bent downwardly; the second vertical plate is hinged with a second group of teeth with the end portions bent upwardly; two gears respectively meshed with the two group of teeth are arranged in a collecting chamber; the first gear is hinged with the scraper blade through one connecting rod; and the second gear is hinged with the sliding block through the other connecting rod. The invention aims at solving the problem that the waste debris collection device for gear processing is deadlocked easily because the waste debris is not cleaned up properly.
Owner:重庆博创知识产权运营有限公司
Workpiece fatigue testing method based on cooperation robot
ActiveCN110450143AAvoid Rig Structural DesignVersatilityProgramme-controlled manipulatorEngineeringActuator
The invention provides a workpiece fatigue testing method based on a cooperative robot. The workpiece fatigue testing method comprises the steps that a fatigue testing platform is built; a first workpiece is fixed on an end effector of the cooperative robot, and the gravity and the inertia matrix of the end effector and the first workpiece are calculated; the mass and inertia matrix of the end effector and the first workpiece are compensated to a robot controller; the first workpiece is clamped by using the cooperation robot, and an axis of the first workpiece and a hole of a second workpiececan be aligned through dragging a teaching mode; the running track of the cooperative robot is acquired during testing; a control mode of the cooperative robot is adjusted to be a force position mixing control, an expected pose of the next moment is calculated according to the obtained running track, and the expected moment is further calculated; the first workpiece is clamped by the cooperative robot to perform a repeated fatigue test experiment, and the stress moment of each joint in real time is acquired through a real-time communication interface. According to the workpiece fatigue testingmethod based on the cooperation robot, active flexibility is realized from a control angle, complicated special machine structure design is avoided, and universality is achieved.
Owner:珞石(武汉)机器人有限公司
Self-locking steel bar connecting grouting sleeve
The invention discloses a self-locking steel bar connecting grouting sleeve which comprises a sleeve body. The sleeve body is provided with a grouting hole and a grout outlet hole, a grouting cavity communicated with the grouting hole and the grout outlet hole is formed in the sleeve body, the inner wall of the grouting cavity is provided with ribs or corrugations, and the inner wall of the grouting cavity is also provided with multiple clamping tongues. On one hand, when steel bars are inserted into the self-locking steel bar connecting grouting sleeve, a mechanical anchoring force can be effectively provided through the self-locking effect between the steel bars and threaded steel bar ribs; on the other hand, when connected steel bars inserted into prefabricated members have deviations,and when the steel bars are inserted into the grouting sleeve, the situation of wall attachment or eccentricity occurring during connection of the self-locking steel bar connecting grouting sleeve canbe effectively avoided through appropriate position correction of the steel bars due to the vertical radial effect of the clamping tongues.
Owner:SOUTHEAST UNIV
Pin bending device of silicon carbide diode
ActiveCN113996724ASolve the problem of chamfer inefficiencyFree from crushingSemiconductor/solid-state device manufacturingConveyor partsEngineeringMechanical engineering
The invention relates to the technical field of diodes, in particular to apin bending device of a silicon carbide diode. The pin bending device comprises a workbench, a fixing assembly and a bending assembly. The workbench is further provided with a transmission assembly used for transmitting diodes. The transmission assembly comprises a first transmission machine, a first push plate and a first linear driver. According to the pin bending device of the silicon carbide diode, the diode is placed in a groove in the first transmission machine, the diode is transmitted along with the transmission face of the first transmission machine, the first transmission machine is controlled to stop or operate through external detection equipment, and the diode reaches the designated position; then, a first push plate is pushed upwards through a first linear driver, the first push plate penetrates through a groove corresponding to the first push plate, so that the diode on the groove is driven to move upwards to a fixing assembly to be fixed, a bending assembly is bent, and then the diode is driven by the first linear driver to return to the conveying surface; and the problem that an existing diode is low in the corner folding efficiency is solved.
Owner:先之科半导体科技(东莞)有限公司
Novel weld preheating device
InactiveCN106624480APrevent backfireAddress the requirements of the nature of the flameWelding/cutting auxillary devicesAuxillary welding devicesCorrosion resistantEngineering
The invention discloses a novel weld preheating device. The novel weld preheating device comprises a box and a control cabinet, three flame heaters are arranged on each of the upper inner portion and the lower inner portion of the box, a flashback arrestor is arranged inside every flame heater, clamping grooves are arranged in the middles of two sides of the box and provided with balls, a heat insulation door is mounted on the left side of the box, an observation window is formed in the upper portion of the heat insulation door, a temperature sensor is arranged below the observation window, an oxygen inlet pipe and an acetylene inlet pipe are arranged on the lower portion of the control cabinet and provided with corrosion-resistant high-pressure proportional overflow valves, and a control console is arranged in the middle of the control cabinet. The novel weld preheating device has the advantages that oxygen and acetylene are combined with the flame heaters, so that a preheated plate placed in the box can be preheated sufficiently; by the aid of the corrosion-resistant high-pressure proportional overflow valves, the plate can be heated by flame properties of the oxygen and the acetylene, so that 'loss' of metal elements in the plate during heating is reduced, and economy and practicality are achieved.
Owner:韦孺聪
Biopharmaceutical finish machining grinding device
The invention discloses a biopharmaceutical finish machining grinding device which comprises a machining outer box, a feeding pipe, a grinding box, a smashing mechanism, a grinding mechanism, a driving mechanism, a conveying mechanism, a circulating mechanism and a discharging port. The feeding pipe is fixedly connected to the position, corresponding to the grinding box, of the upper end of the machining outer box, the smashing mechanism is installed in the grinding box, and a grinding hole is formed in the bottom of the grinding box. The biopharmaceutical finish machining grinding device hasthe advantages that medicines which are not completely ground into powder are screened through a screen, and the medicines flow into the grinding mechanism again through the circulating mechanism to be reprocessed, so that the biopharmaceutical grinding quality is improved, biopharmaceutical finish machining can be better achieved, the problems that blocky raw materials are too large in size and insufficient in grinding, and the grinding mechanism is stuck due to the fact that the blocky raw materials are too large in size are solved, the grinding quality is improved, and the grinding efficiency is improved.
Owner:THE SECOND XIANGYA HOSPITAL OF CENT SOUTH UNIV
Memory management method and device, storage medium and terminal equipment
ActiveCN107678780ASolve stuckOptimize memory managementResource allocationMachine execution arrangementsMarine navigationCache management
The embodiment of the application discloses a memory management method and device, a storage medium and terminal equipment. The method includes: acquiring a view, which is to be pushed into a stack, according to an operation request of accessing a page by a user; identifying whether a view which is consistent with the view to be pushed into the stack exists in the navigation management stack, andwhen the view which is consistent with the view to be pushed into the stack exists in the navigation management stack, copying page data of the view, which is consistent with the view to be pushed into the stack, from a memory management object into a memory cache management object, and clearing the page data of the view, which is consistent with the view to be pushed into the stack, in the memorymanagement object; and storing the page data of the view, which is to be pushed into the stack, to a stack top of the memory management object, and pushing the view, which is to be pushed into the stack, into a stack top of the navigation management stack. Through adopting the technical solution provided by the embodiment of the application, an effect of optimizing memory management can be realized.
Owner:SHENZHEN LEXIN SOFTWARE TECH CO LTD
Operation platform for rotary drilling rig in soft soil foundation and use method
PendingCN109356530AReduce settlementAvoid capsizing riskConstructionsDerricks/mastsSocial benefitsForming processes
The invention discloses an operation platform for a rotary drilling rig in a soft soil area and a use method. The operation platform is composed of three parts of a cushion foundation, a clay protection embankment, a rigid subgrade plate and the like. The rigid subgrade plate is made of prefabricated assembled concrete elements which are connected as a whole through PBL key type double-hinged connecting plates, built-in flow guiding pipes are embedded in the elements, and angle steel are arranged to reinforce the edges of the elements. The rigid subgrade plate is arranged on the cushion foundation, and the clay protection embankment is arranged around the rigid subgrade plate to form a temporary mud storage area with the rigid subgradeplate. The rigid subgrade plate effectively and evenlydistributes the weight of the rotary drilling rig to the soft foundation, thus bottom stress of the rigid subgrade plate meets the bearing capacity requirements of the soft ground, and meanwhile overall settlement of the operation platform is alleviated; and a mud circulation system composed of the built-in flow guiding pipes arranged in the rigid subgrade plate and a temporary mud pit can effectively solve the problem of repeated spillage and backflow of mud of rotary excavating hole forming process. The operation platform for the rotary drilling rig in the soft soil foundation and the use method have very remarkable economic and social benefits in municipal engineering of the soft soil area.
Owner:NINGBO MUNICIPAL ENG CONSTR GROUP
Integral 360-degree viewing angle panoramic video monitoring device
InactiveCN101588478ARealize monitoringSolve the problem that only one direction can be fixed for monitoringTelevision system detailsClosed circuit television systemsVideo monitoringCamera module
The invention relates to an integral 360-degree viewing angle panoramic video monitoring device, which is characterized by comprising an upper cover (1), a lower cover (2), four camera module blocks (4) provided with cameras and an LED lamp control circuit board (3), wherein the upper cover (1) is provided with an upper plug connector (23), four edges of the upper cover (1) are provided with upper fasteners (28) which are fastened with the upper folded edges of the corresponding camera module blocks (4); the lower cover (2) is provided with a lower plug connector (17), and the four edges of the lower cover (2) are provided with lower fasteners (27) which are fastened with the lower folded edges of the corresponding camera module blocks (4); the upper plug connector (23) on the upper cover (1) is connected with the lower plug connector (17) on the lower cover (2); the four camera module blocks (4) are in lock joint and enclose to form an integral structure through the upper cover (1) and the lower cover (2), and the LED lamp control circuit board (3) is positioned inside the integrated structure. The device has the advantages of simple structure, wide visual angle and easy realization.
Owner:SWIT ELECTRONICS
Wire releasing device with replaceable outer sleeve
The invention provides a wire releasing device with a replaceable outer sleeve. The replaceable outer sleeve is sheathed on a winding drum and the outer sleeve is provided with an outer bulge; a shock absorber is arranged inside of the outer bulge connected with a pulling rope to carry out combined shock absorption. The wire laying device takes full account of vibration state of the optical fiber and can be well applied to the occasions where the wiring requirements are high. The wire laying device has the advantages of artful structure and low cost.
Owner:陈小娜
File downloading method and device and computer readable storage medium
ActiveCN109600740ASolve stuckPrevent multiple download operationsSecurity arrangementNetwork data managementComputer hardwareLocking mechanism
The invention provides a file downloading method and device and a computer readable storage medium, and the method comprises the steps: triggering a preset locking mechanism when a downloading instruction of an operator data file profile is detected, and executing a locking function corresponding to the locking mechanism on a current downloading interface; obtaining an electronic identity identification (eID) of an embedded universal integrated circuit card (eUICC) in target equipment, and sending the eID to a preset operator server, so as to determine a target profile corresponding to the eIDin the operator server; and downloading a target profile in the operator server to the target device when the bidirectional authentication of the eUICC and the operator server is successful. According to the method and the device, the downloading interface is locked to prevent the user from downloading operation for multiple times, so that the problem of interface jamming caused by data retransmission is avoided, the usability of the system is improved, and the user experience is improved.
Owner:西安良方企业信息咨询有限公司
Splitting and core-pulling method for die-casting die
InactiveCN106955986ASolve stuckSolve problems such as backtrackingDie castingInjection molding machine
The invention discloses a splitting and core-pulling method for a die-casting die. The method includes the following steps that an injection molding machine is used for die casting after die assembly is completed; a sliding block remains stationary, and core-pulling needles are driven to be pulled out of a cavity and then retracted into the sliding block; die opening is performed; the sliding block is driven to be retracted; and the sliding block and the core-pulling needles are driven to be reset after a product is taken out. Due to the facts that the core-pulling needles are pulled into the sliding block at first and then the sliding block is pulled out, compared with an original core-pulling structure, the contact area with a die casting liquid tool is smaller, the swelling force stressed is smaller, and the problem that the sliding block gets stuck or retreats due to the excessively-high swelling force in the core-pulling process is solved. The splitting and core-pulling method for the die-casting die is applied to the field of dies.
Owner:GUANGZHOU DIE & MOLD MFG
Impeller for centrifugal pump
The invention discloses an impeller for a centrifugal pump. The traditional impeller is easy to wear and lock and has high manufacturing cost. In the impeller for the centrifugal pump, a front cover plate, a rear cover plate and blades are made of stainless steel materials, the plurality of blades are radially arranged between the front cover plate and the rear cover plate, the blades, the front cover plate and the rear cover plate are welded, the edge of a through hole of the front cover plate is provided with a plastic opening ring, the external diameter of the plastic opening ring is larger than the inner diameter of a center hole of a guide blade cover plate, a hub is made of plastics and assembled on the rear cover plate, the front end of the hub extends into the plastic opening ring, a radial clearance is kept between the front end of the hub and the plastic opening ring to form an impeller inlet, and a structure which can move along a pump shaft is adopted in an inner hole of the hub. When the pump is assembled, the front end surface of the plastic opening ring contacts the guide blade cover plate, the impeller can float on the pump shaft through the hub to automatically regulate the size of an axial clearance, thereby the problems of impeller wear and locking caused by silt can be solved to a certain extent. Moreover, by adopting the impeller with the assembly structure, the processing difficulty and the construction cost are reduced.
Owner:新界泵业(浙江)有限公司
Flow path switching valve
InactiveCN104763819AGood activity spaceSolve stuckMultiple way valvesReciprocating motionPath switching
The invention discloses a flow path switching valve. The flow path switching valve comprises a valve body, a valve core movably arranged in a valve cavity, a piston driving device mounted at one end of the valve body and comprising a piston driving valve body, and a piston movably moving along the inner wall of the piston driving valve body and connected with the valve core through a bulb hinge, wherein the bulb hinge comprises a bulb and an accommodating groove; the bulb is arranged at the end part of the valve core; the accommodating groove is formed in the piston; the bulb and the accommodating groove are in contact in axial reciprocating motion; and the contact place is a spherical surface of the bulb and a plane or a spherical surface or a conical surface of the accommodating groove. Compared with the prior art, the flow path switching valve has the following advantages: the piston is connected with the valve core through the bulb hinge and the bulb and the piston are in movable contact in the reciprocating motion, so that the piston can rotate around the bulb hinge or can be inclined to a certain angle in the axial motion of the valve core and the piston has an excellent moving space.
Owner:ZHEJIANG DUNAN MASCH CO LTD
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