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52results about How to "Solve load problems" patented technology
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Method for loading and inquiring magnanimity data
ActiveCN101251861ASolve load problemsImprove query speedSpecial data processing applicationsGranularityMaster key
The invention belongs to the computer field, in particular relating to a method for processing mass data loading and inquiry. The invention uses a temporary list with proper granularity to buffer data of various time slices; no index is established on the temporary list or a master key index is established on the temporary list; after the data of various time slices is processed, indexes are established unitarily for the data of the time slices and then the data is transferred to a partition table. The method for processing mass data loading and inquiry improves the inquiry speed by combination of the data of the partition list according to business requirements, is only related to the data quantity in the buffer time slices and can meet the high-speed mass data loading environment and the business requirements provided with related inquiries.
Owner:RUN TECH CO LTD BEIJING
Method for issuing configuration information, and method and device for processing configuration information
ActiveCN104780608ASolve load problemsSignal allocationWireless communicationTelecommunicationsPhysical layer
Disclosed are an information delivery and processing method and apparatus. The method comprises: sending an RRC layer message to a terminal side device, information carried in the RRC layer message comprising multiple sets of configuration information and each set of the configuration information being bound to one or more ratios of uplink subframes to downlink subframes; and instructing, by using MAC layer signaling or physical layer signaling, the terminal side device to update the current ratio of the uplink subframes to the downlink subframes, and determining that the terminal side device continues to use the configuration information bound to the updated ratio of the uplink subframes to the downlink subframes. According to the technical solutions provided in the present invention, in a case in which no extra RRC signaling load is added in a system enabling dynamitic adjustment of uplink subframes and downlink subframes, different parameters can be configured for each of potential ratios of the uplink subframes to the downlink subframes, and the performance of a UE in different ratios of the uplink subframes to the downlink subframes is effectively improved, thereby improving the user experience.
Owner:ZTE CORP
Variable heat source model-based non-circular-profile workpiece high-speed grinding temperature prediction method
InactiveCN108151885AImprove effectivenessImprove practicalityRadiation pyrometryCalorimeterHeat fluxHigh-speed grinding
The invention discloses a variable heat source model-based non-circular-profile workpiece high-speed grinding temperature prediction method. The method comprises the steps of collecting the power andtemperature data of a non-circular-profile workpiece during the high-speed grinding process; establishing a variable heat source distribution model for non-circular-profile grinding; based on the variable heat source distribution model and the non-circular curved-surface grinding heat source loading method, carrying out temperature finite element simulation on the non-circular-profile workpiece during the high-speed grinding process; based on a heat distribution ratio calculation method for the surface temperature of the workpiece, correcting the heat flux density. According to the invention,aiming at the high-speed grinding process of the non-circular-profile workpiece, the variable heat source distribution model and the heat distribution ratio calculation method for non-circular-profilegrinding are established, and a heat source loading method suitable for non-circular contour grinding temperature simulation is provided. The heat source loading problem for the non-circular curved surface is solved. Meanwhile, the temperature field of each grinding arc zone during the high-speed grinding process of the non-circular contour workpiece can be accurately predicted. Compared with theprior art, the method is simple to operate, strong in applicability and high in accuracy.
Owner:HUNAN UNIV OF SCI & TECH
Lifting, conveying, loading and unloading device for hole digging of underground pipe gallery vertical shaft
ActiveCN105523486ASolve the problem of SinotransSolve the problem of loading vehicles with transportSoil-shifting machines/dredgersTrolley cranesEngineeringMechanical engineering
The invention discloses a lifting, conveying, loading and unloading device for hole digging of underground pipe gallery vertical shaft. The lifting, conveying, loading and unloading device comprises the vertical shaft, an unloading area, supporting frames, a lifting, conveying and unloading cross beam, an electric hoist and a loading hopper. The supporting frames are arranged on the upper portion of the vertical shaft. The lifting, conveying and unloading cross beam is arranged on the tops of the supporting frames. The electric hoist is arranged on the lifting, conveying and unloading cross beam and connected with the loading hopper through a steel wire rope. The unloading area isolated from the vertical shaft is arranged on the supporting frames. The lifting, conveying, loading and unloading device for hole digging of the underground pipe gallery vertical shaft has the advantages that the problem of earthwork outward transporting during excavating of an urban underground pipe gallery tunnel is solved, the difficult problem that a loading machine is needed to cooperate with a transporting car to load during loading and unloading of earthwork previously is solved through perpendicular and horizontal movement of the monorail electric hoist, the device is especially suitable for excavating of the urban tunnel and a subway with narrow construction fields, and investment is reduced.
Owner:CHINA MCC17 GRP
Loading method and device for vehicle-mounted goods, and computer readable medium
ActiveCN108520327ACalculation speedSolving logistics loading problemsForecastingLogisticsLogistics managementSimulation
The invention provides a loading method and device for vehicle-mounted goods, and a computer readable medium. The loading method for the vehicle-mounted goods includes steps of: generating a random number; determining a selection strategy of the loading action based on the random number and a preset probability parameter, wherein the selection strategy of the loading action includes any one of thefollowing: a random selection strategy and a neural network based selection strategy; and based on the selection strategy of the loading action, selecting a corresponding loading action and placing the corresponding goods. Applying the above scheme, since different loading actions can be selected based on the neural network, different loading actions can be evaluated in a probability statistics manner, the calculation speed is fast, and the large-scale logistics loading problem can be solved.
Owner:ANJI AUTOMOTIVE LOGISTICS +1
Rotating and connecting structure of aircraft radome
InactiveCN106628109ASimple structureGood force transmission characteristicsAntenna supports/mountingsRadiating element housingsAirplaneRadome
The invention belongs to the technical field of aviation and relates to a rotating and connecting structure of an aircraft radome. The rotating and connecting structure mainly comprises a radome (1), a rack wheel (2), a pinion (3), a speed reducer (4), a hydraulic motor (5), a support seat (6), an overturning bearing (7), a transition part (8), a bolt (9), a bolt (10), a bracket (11) and a reinforcer (12). The overturning bearing of an inner gear is arranged in the radome, and a load of the radome is transferred to a bearing inner ring and then transferred to the bracket by virtue of drive of the hydraulic motor, so that a large-size and large-inertia radome rotating function and load transferring are achieved. The rotating and connecting structure is simple, good in force transmission characteristic and light in weight, adopts rotating driving, and adopts a rotating driving, connection and installation method of the aircraft radome. Rotating of the radome can be achieved, the load of the rotating radome is transferred to the bracket, and the problems of large-inertia rotating and load transferring are solved.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
Intranet-type load balancing implementation method based on Openstack and storage medium
ActiveCN111641719AExcellent concurrent connection performanceReduce memory consumptionData switching networksHigh availabilityOpen source
The invention discloses an intranet-type load balancing implementation method based on Openstack and a storage medium, which belong to the field of cloud computing and computer networks. The technicalproblem to be solved by the invention is how to realize lightweight intranet type load balancing with simple deployment and low operation and maintenance cost based on openstack. The adopted technical scheme is as follows: the method comprises the following steps: a plurality of back-end servers in the same vpc of a public cloud are virtualized into a high-availability back-end server group; thenaccording to a scheduling mode specified by the application, a network request from a client is distributed to a back-end server group; meanwhile, a load balancing service management network is created on the openstack platform; the openstack platform issues related configuration of the load balancing instance to the load balancing instance of the LB node through the load balancing service management network; a Linux virtual machine of nginx and keepalived open source software is installed on an LB node, the nginx is used for carrying out load balancing on flow, and the keepalived is used forachieving high availability of a main node and a standby node.
Owner:山东汇贸电子口岸有限公司
3D glasses
ActiveCN103676170AEasy loadingReduce the burden onNon-optical adjunctsOptical elementsUses eyeglassesEyewear
The invention relates to the technical field of 3D movies and televisions, in particular to a pair of 3D glasses with which a user can watch a movie conveniently. The pair of 3D glasses is low in mass, can be conveniently used by audiences who wear myopia glasses or presbyopic glasses. A wearing unit of the 3D glasses is of an annular structure used for being worn on the head of a wearer, the wearing unit is connected to one end of a connecting unit, the other end of the connecting unit is connected with a lens unit, the lens unit comprises two lens bodies, blue light can be transmitted through one lens body, and red light can be transmitted through the other lens body. An existing common loading mode is changed by the wearing mode that the pair of 3D glasses is worn on the head of the wearer through the wearing unit, the load of the pair of 3D glasses to the bridge of the nose is not increased any longer, the burden of the wearer, particularly the user who wears the myopia glasses or presbyopic glasses is reduced, the pair of 3D glasses does not need to be fixed to the myopia glasses or presbyopic glasses any longer, fatigue caused when the wearer watches the 3D movie is relieved, and the load and fixation problems brought when the user wears the 3D glasses are solved.
Owner:BOE TECH GRP CO LTD
System and method for processing image hot linking
The invention provides a system for processing image hot linking. The system comprises a source site server and an image replacing server, wherein the source site server is used for sending a source webpage to a client terminal, displaying the source webpage to a user of the client terminal and sending a request for obtaining images in the source webpage to a third-party site, the images belong to the third-party site, and when the request of the source site server is judged to be hot linked, the image replacing server is used for sending preset images of the image replacing server to the source site server and adding the preset images to the webpage through the source site server. The invention further provides a method for processing the image hot linking. According to the system and method for processing the image hot linking, hot linking prevention can be judged through a CDN server, the precision of the judgment of the hot linking prevention method is improved, when the image hot linking is judged, the various preset images are displayed to the user, and the user experience degree and the public consciousness are improved.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
A lotus- type jack pin assembly
InactiveCN109216982ASolve load problemsImprove carrying capacityCoupling contact membersCurrent loadEngineering
The invention belongs to the field of electrical contact and relates to a lotus-type jack pin assembly. The lotus-shaped socket of the invention is formed by radial nesting combination of an outer spring claw, an intermediate spring claw and an inner spring claw; The end of each spring claw is an inclined plane, the end of the outer spring claw and the middle spring claw is provided with a hole structure, and the end of the inner spring claw is provided with a sleeve structure and the three spring claws are radially nested and connected into one body; The end of the tapered pin is tapered andin contact with the end of the spring pawl of each layer of the lotus-shaped socket to form a multi-turn, multi-lobed parallel contact. The contact area is large, the problem of large current load issolved, and the axial insertion force required for the contact between the lotus-shaped socket and the tapered pin is small, the separation force is small, the separation distance is short and the lotus-shaped socket is easy to separate.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
Battery pack cooling and heating integral structure
The invention discloses a battery pack cooling and heating integral structure. A cover and a box body form a closed environment, conduction of module temperature and temperature of fluid in a heat-conducting cavity is achieved through a heat-conducting structure, and thus, regulation of the module temperature can be achieved by filling the heat-conducting cavity with cooling liquid or heating liquid through an inlet joint and an outlet joint and further integral regulation of cooling and heating battery packs can be achieved.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY
Shaft seal structure of centrifugal coal slurry pump
The invention relates to a shaft seal of a centrifugal coal slurry pump of a coal water slurry gasification device. For overcoming the defect that a mechanical seal of a centrifugal low-pressure coal slurry pump in the prior art is not long in service life and cannot completely prevent external flushing water from flowing into the pump, three to five spacing rings are added on a back blade and blades of an auxiliary impeller of the shaft seal to weaken harmful radial flows in a flowing channel and increase a blocking lift of high-viscosity coal slurry. An external area of an auxiliary impeller cavity is a large-specific-gravity coal slurry ring, an internal area of the auxiliary impeller cavity is a small-specific-gravity oil ring, and the interface of the two areas is obvious and stable. PLAN23 single-end-face mechanical seal and an improve liquid seal tank are adopted to enable the auxiliary impeller cavity, a mechanical seal cavity and the liquid seal tank to be communicated, it can be monitored that the coal slurry is away from the mechanical seal in a central control room and a field, long service life is ensured, and external flushing water is not needed completely during normal operation. The shaft seal is suitable for the centrifugal coal slurry pump of which the conveying solid content is 58-61 wt% and the viscosity is 700-3000 mPa.s and is also suitable for other high-viscosity centrifugal pumps with high conveying solid content.
Owner:CHINA CHENGDA ENG
Dynamic loading device for rotary shaft balance
ActiveCN106404342ASolving the Balance Loading DilemmaSolve load problemsAerodynamic testingElectricityCoupling
The invention discloses a dynamic loading device for a rotary shaft balance, which comprises a rack, a driving motor arranged on the rack and a power output shaft arranged on the upper end face of the rack, and is characterized in that a power output end of the driving motor is connected to the power output shaft through a belt, one end of the power output shaft is connected to a dynamic loading device through the rotary shaft balance, and the other end of the power output shaft is connected to a slip ring electricity introducing device through a coupling. The dynamic loading device disclosed by the invention solves a loading problem of domestic rotary shaft balances, improves the measurement accuracy of the rotary shaft balance, and fills a gap in domestic related fields; and compared with similar products abroad, the dynamic loading device is better in efficiency-cost ratio, more convenient in use and low in maintenance cost.
Owner:LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT
Electronic cash credit for load system and method for highway toll charging lane
InactiveCN106600726ASolve the loading problemConvenient depositTicket-issuing apparatusPre-payment schemesElectronic cashComputer terminal
The invention discloses an electronic cash credit for load system and method for a highway toll charging lane. The system includes a data transmission network which includes an electronic non-stop toll collection top up module, an electronic cash credit for load module, a highway toll charging lane module, an electronic wallet card account and a highway toll charging system. The electronic non-stop toll collection charging module is intended for establishing a top up virtual account and receiving online top up by a highway passing client. The electronic cash credit for load module is intended for establishing a mapping relation between the electronic wallet card account and the top up virtual account and conducting credit for load on a user's highway access card which matches a corresponding top up virtual account. The highway toll charging lane module is intended for transmitting an online credit for load request of the electronic wallet card account. Top up amount of money returned by the electronic cash credit for load module is written to the electronic wallet card account. According to the invention, the system and the method can conduct credit for load transaction at all highway toll terminals, ensure user asset safety, have a wide application range and are easy and fast to apply.
Owner:湖北省高速公路联网收费中心
Self-balancing type all-terrain bomb hanging vehicle
InactiveCN106585749AAdjustable sizeSolve the loading problemLifting devicesEndless track vehiclesTerrainControl switch
The invention discloses a self-balancing type all-terrain bomb hanging vehicle. The self-balancing type all-terrain bomb hanging vehicle comprises a self-balancing type bomb carrying platform, a compound lifting mechanism and a vehicle body structure, wherein the self-balancing type bomb carrying platform comprises an upper platform and a lower platform; a sensor module and a support track are arranged on the upper platform; flexible adjustable supports are arranged on the support track; a pitching control servo motor, an inclined control servo motor and a computing control module are arranged on the lower platform; the self-balancing type bomb carrying platform is connected with the vehicle body structure through the compound lifting mechanism; the vehicle body structure comprises a vehicle body platform and a crawler type chassis; a lifting control servo motor, a lifting control switch and a power module are arranged on the vehicle body platform; the vehicle body platform is arranged on the crawler type chassis; the support track is arranged in the middle of the upper platform; and the flexible adjustable supports are respectively arranged at two ends of the support track. The self-balancing type all-terrain bomb hanging vehicle is high in adaptability and high in bomb hanging efficiency.
Owner:AIR FORCE ENG UNIV OF PLA AIRCRAFT MAINTENACE MANAGEMENT SERGEANT SCHOOL
Virtual power plant regulation and control method and device based on 5G technology
PendingCN111799805AImprove transfer functionHighly reliable transmission functionPower network operation systems integrationSingle network parallel feeding arrangementsCommunications systemControl engineering
The invention provides a virtual power plant regulation and control method and device based on the 5G technology. The method comprises: configuring priorities according to the power utilization requirements and regulation and control time delay requirements of power grid users; deploying 5G network slices corresponding to the priorities for the power grid users in a communication system of the virtual power plant; obtaining load information of each power grid user in the virtual power plant through the 5G network slice; analyzing whether the current power grid is in an electricity peak periodaccording to the load information, and generating a regulation and control instruction in combination with the priority of the power grid user if the current power grid is in the electricity peak period; and issuing a regulation and control instruction through the 5G network slice, and executing load regulation and control operation on the power grid user according to the regulation and control instruction. The transmission rate of the regulation and control instruction issued by the virtual power plant is improved through the 5G communication technology, so that the load problem of a power grid user is solved in time, a high-reliability and low-time-delay virtual power plant regulation and control instruction transmission function is realized, and a guarantee is provided for safe operation of a power grid.
Owner:STATE GRID CORP OF CHINA +4
Photostimulation carrying device with rotatable light source and method thereof
ActiveCN112655602AConvenient light control experimentAvoid damageClimate change adaptationPisciculture and aquariaMedicineEngineering
The invention relates to a photosimulation carrying device with a rotatable light source and a method thereof. The photosimulation carrying device comprises a carrying plate, concentric wire passing pipes, rotating assemblies, LEDs, female headers, pin headers, fastening screws, screws and wires; the carrying plate is a rectangular universal plate with the concentric wire passing pipes; the concentric wire passing pipes enable the wires to pass through to be connected with the positive and negative electrodes of the LEDs; the LEDs with four different wavelengths are welded to the bottom of the cross-shaped rotating assemblies, the needed LEDs are rotated to designated positions, and the rotating assemblies are fixed through the fastening screws; the pin headers, the female headers and the wires are used as a conduction circuit for lightening the LEDs; the photostimulation carrying device is fixed to the head of a carp through the screws. According to the photostimulation carrying device, the problem of carrying a device for stimulating a carp robot by using LED light with different wavelengths is solved, the LED with the required wavelength can be rotated to a specified position, brain injury to animals caused by replacement of the device can be reduced, a light-operated experiment can be carried out more conveniently, and the photostimulation carrying device can be applied to control of movement of aquatic animal robots stimulated by the light with the different wavelengths.
Owner:YANSHAN UNIV
Cargo loading method and device, and computer readable medium
ActiveCN108520327BCalculation speedSolving logistics loading problemsForecastingLogisticsLogistics managementIn vehicle
The invention provides a loading method and device for vehicle-mounted goods, and a computer readable medium. The loading method for the vehicle-mounted goods includes steps of: generating a random number; determining a selection strategy of the loading action based on the random number and a preset probability parameter, wherein the selection strategy of the loading action includes any one of thefollowing: a random selection strategy and a neural network based selection strategy; and based on the selection strategy of the loading action, selecting a corresponding loading action and placing the corresponding goods. Applying the above scheme, since different loading actions can be selected based on the neural network, different loading actions can be evaluated in a probability statistics manner, the calculation speed is fast, and the large-scale logistics loading problem can be solved.
Owner:ANJI AUTOMOTIVE LOGISTICS +1
SQL injection risk detection method and device, electronic device and storage medium
PendingCN111767577ASolve load problemsReduce loadDigital data protectionPlatform integrity maintainanceSQL injectionDatabase
The invention relates to an SQL injection risk detection method and device, an electronic device and a storage medium. The SQL injection risk detection method comprises the steps of obtaining an SQL injection request, sending the SQL injection request to a simulation protection system, judging whether an event corresponding to the SQL injection request occurs in the simulation protection system ornot according to the SQL injection request, and under the condition that an event corresponding to the SQL injection request occurs in the simulation protection system, marking the SQL injection request as a risk request. Through the method, the problem that the protection system needs to intercept each SQL injection request one by one to increase the load of the protection system due to the factthat the risk of the SQL injection requests cannot be judged in the related art is solved, and the technical effect of reducing the load of the database protection system is realized.
Owner:HANGZHOU ANHENG INFORMATION TECH CO LTD
Customization network service structure
InactiveCN1783783ASolve load problemsLower performance requirementsData switching networksComputer compatibilityStructure of Management Information
This invention discloses a customization network service structure containing a related file format of network service, explains of the service mode and definition of the operation and communication mode including: a service search display utilizing a basic program code structure to provide a standard for registering and searching said network service under such structure, a service provider providing the network service defined by said code structure and displaying the content on the display for searching and a service demander utilizing said code structure and said base program code belongs to that of non-XML high compatible Vc, Vb or C
Owner:INVENTEC CORP
A method and device for replacing non-alljoyn equipment
ActiveCN105207811BSolve load problemsSimplify complex operationsData switching networksSoftware engineeringMechanical engineering
The present invention discloses a method and device for replacing a non-AllJoyn device, wherein the method includes: recording the first virtual device of the virtual AllJoyn device corresponding to the first non-AllJoyn device when the first non-AllJoyn device accesses the AllJoyn bridge device type; in the case of determining to replace the first non-AllJoyn device, compare the second virtual device type corresponding to the second non-AllJoyn device to be accessed with the first virtual device type, and compare the second virtual device type with the first When the types of virtual devices are the same, connect the second virtual device to the virtual AllJoyn device to replace the first non-AllJoyn device. The present invention judges whether the second non-AllJoyn device can be directly connected to the virtual AllJoyn device to replace the first non-AllJoyn device according to the virtual device type, and solves the problems in the prior art.
Owner:QINGDAO HAIER INTELLIGENT HOME TECH CO LTD
Method for downloading application of digital television receiving terminal, gateway server and system
ActiveCN101790074BImprove performanceHigh speedSelective content distributionAuthentication serverComputer science
An application downloading method for a digital television reception terminal is disclosed, which includes: receiving a downloading request initiated by the digital television reception terminal; invoking an authentication server to authenticate the digital television reception terminal; after the authentication succeeds, invoking a deduction server to deduct charge for the digital television reception terminal; after the deduction succeeds, invoking a downloading server to transmit the requested downloading content to the digital television reception terminal. Correspondingly, a gateway server and an application downloading system are disclosed in the embodiments of the present invention. By implementing the embodiments of the present invention, the gateway server assists to process authentication, deduction and downloading, service process of the downloading server is abated, and capability and speed of the downloading server is improved.
Owner:SHENZHEN COSHIP ELECTRONICS CO LTD
A convenient auxiliary seat for a wheeled multi-purpose engineering vehicle
ActiveCN111251957BSolve the problem of carrying a crewReduce occupancyBelt anchoring devicesDismountable/non-dismountable seatsSeat beltBack door
The invention discloses an auxiliary seat installation structure for a wheeled multi-purpose engineering vehicle, which includes a driver's cab and a main seat, and is characterized in that an auxiliary seat bracket is installed behind the main seat, and the auxiliary seat is installed on the auxiliary seat when in use. When not in use, it is folded and hung on the side of the cab. The auxiliary seat bracket includes a welding bracket and a door frame. The welding bracket is fixed at the rear corner of the cab side, and the door frame is hinged on the welding bracket to install the auxiliary seat. When the mast is turned to the back of the driver's cab, the mast is turned to the side of the driver's cab after the auxiliary seat is put away. The invention can effectively solve the problem of wheeled multi-purpose engineering vehicles by using the auxiliary seat I with the foldable belt locking device, the auxiliary seat bracket II, the seat belt III and the hook welded in the driver's cab to install the auxiliary seat in the driver's cab. The problem of carrying passengers when traveling, transitioning, etc.
Owner:GUIZHOU JONYANG KINETICS
Data processing method and system
PendingCN113141389ASolve consumptionSolve load problemsImage codingTransmissionIntelligent NetworkEmbedded system
The invention provides a data processing method and system, relates to the technical field of virtual machines, and can solve the problems of consumption and load of existing soft coding on host CPU (Central Processing Unit) computing power. According to the specific technical scheme, the method comprises: an intelligent network card obtaining a first UDP message generated by a virtual machine; analyzing the first UDP message, and encoding the image data obtained by analysis according to an encoding identifier obtained by analysis to obtain encoded image data; generating a second UDP message according to the encoded image data and the encoding identifier; and sending the second UDP message to the client device, so that the client device analyzes the second UDP message, decodes the encoded image data obtained by analysis according to the code identifier obtained by analysis, and displays the decoded image data.
Owner:XIAN WANXIANG ELECTRONICS TECH CO LTD
Device and method for converting circular motion
InactiveCN102639027ASolve load problemsStable drive relationshipBrush bodiesGearingLinear motionReciprocating motion
The present invention relates to a device and a method for converting the direction of rotary motion generated at a torque generation means such as a motor and the like into linear motion and re-converting the same into circular motion. The present invention relates to a device and a method for converting circular motion, wherein an eccentric cam (B) is interlocked with one side by a drive unit (A) or the like comprising a power transmission means such as a rotating shaft, a gear, and the like rotated by a torque generation means to transmit torque, and is rotated (first eccentric rotary motion). Three-dimensional circular motion is carried out by a connection rod (C) connected to one side of the eccentric cam (B) to do second straight reciprocating motion, drive grooves (h, h') connected with the connection rod (C) by a binding means such as a pin (p) and the like, and an up-and-down motion converting member (D) of which one side is fixed to a hinge axis (t), wherein circular motion is carried out by amplifying the rotary motion of the eccentric cam, and as a result eccentric rotary motion is finally converted into rectilinear motion and the same is re-converted into the amplified circular motion.
Owner:MAXROTEC
Shaft seal structure of centrifugal coal slurry pump
The invention relates to a shaft seal of a centrifugal coal slurry pump of a coal water slurry gasification device. For overcoming the defect that a mechanical seal of a centrifugal low-pressure coal slurry pump in the prior art is not long in service life and cannot completely prevent external flushing water from flowing into the pump, three to five spacing rings are added on a back blade and blades of an auxiliary impeller of the shaft seal to weaken harmful radial flows in a flowing channel and increase a blocking lift of high-viscosity coal slurry. An external area of an auxiliary impeller cavity is a large-specific-gravity coal slurry ring, an internal area of the auxiliary impeller cavity is a small-specific-gravity oil ring, and the interface of the two areas is obvious and stable. PLAN23 single-end-face mechanical seal and an improve liquid seal tank are adopted to enable the auxiliary impeller cavity, a mechanical seal cavity and the liquid seal tank to be communicated, it can be monitored that the coal slurry is away from the mechanical seal in a central control room and a field, long service life is ensured, and external flushing water is not needed completely during normal operation. The shaft seal is suitable for the centrifugal coal slurry pump of which the conveying solid content is 58-61 wt% and the viscosity is 700-3000 mPa.s and is also suitable for other high-viscosity centrifugal pumps with high conveying solid content.
Owner:CHINA CHENGDA ENG
Brick straightening and loading machine
PendingCN108724448AGuaranteed synchronizationSynchronized powerfulAuxillary shaping apparatusHydraulic cylinderBrick
The invention discloses a brick straightening and loading machine which comprises a clamping arm assembly I, a clamping arm assembly II, a pivot assembly for connecting the clamping arm assembly I andthe clamping arm assembly II, and a hydraulic control assembly. The pivot assembly is arranged on the top parts of the clamping arm assembly I and the clamping arm assembly II, so that the clamping arm assembly I and the clamping arm assembly II can rotate around the pivot assembly; the clamping arm assembly I and the clamping arm assembly II have the same structure, but a clamping arm on the clamping arm assembly I and a clamping arm on the clamping arm assembly II are arranged in an intermeshing way; the pivot assembly comprises a pushing and rotating hydraulic cylinder; one end is fixed onto any one connecting plate; a piston rod is connected to one end of an arc-shaped pull rod; the other end of the arc-shaped pull rod is connected with another connecting plate; and under the pushingof the pushing and rotating hydraulic cylinder, the clamping arm assembly I and the clamping arm assembly II are rotated to one straight line. The brick straightening and loading machine provided by the invention is simple in structure design, can be operated by one person, is high in efficiency and fast in speed, only requires 10 more minutes for loading one car of bricks, and is greatly reducedin cost compared with manual loading.
Owner:王景信
A lifting and unloading device for digging holes in underground pipe gallery shafts
ActiveCN105523486BSolve the problem of SinotransSolve the problem of loading vehicles with transportSoil-shifting machines/dredgersTrolley cranesEngineeringWire rope
Owner:CHINA MCC17 GRP
3D glasses
ActiveCN103676170BEasy loadingReduce the burden onNon-optical adjunctsOptical elementsUses eyeglassesNose
The invention relates to the technical field of 3D movies and televisions, in particular to a pair of 3D glasses with which a user can watch a movie conveniently. The pair of 3D glasses is low in mass, can be conveniently used by audiences who wear myopia glasses or presbyopic glasses. A wearing unit of the 3D glasses is of an annular structure used for being worn on the head of a wearer, the wearing unit is connected to one end of a connecting unit, the other end of the connecting unit is connected with a lens unit, the lens unit comprises two lens bodies, blue light can be transmitted through one lens body, and red light can be transmitted through the other lens body. An existing common loading mode is changed by the wearing mode that the pair of 3D glasses is worn on the head of the wearer through the wearing unit, the load of the pair of 3D glasses to the bridge of the nose is not increased any longer, the burden of the wearer, particularly the user who wears the myopia glasses or presbyopic glasses is reduced, the pair of 3D glasses does not need to be fixed to the myopia glasses or presbyopic glasses any longer, fatigue caused when the wearer watches the 3D movie is relieved, and the load and fixation problems brought when the user wears the 3D glasses are solved.
Owner:BOE TECH GRP CO LTD
Photo-stimulation mounting device with rotatable light source and method thereof
ActiveCN112655602BConvenient light control experimentAvoid damageClimate change adaptationPisciculture and aquariaEngineeringMechanical engineering
The present invention relates to a photo-stimulation mounting device for a rotatable light source and a method thereof. The device includes a mounting board, a concentric line pipe, a rotating assembly, LEDs, female headers, pin headers, fastening screws, screws and wires; The carrying board is a rectangular universal board with concentric conduits; the concentric conduits allow the wires to be connected to the positive and negative poles of the LEDs; the four LEDs with different wavelengths are welded at the bottom of the cross-shaped rotating assembly, and the required The LED is rotated to a specified position, and the rotating assembly is fixed with a fastening screw; the pin row, the female row and the wire are used as a conduction circuit for lighting the LED; the screw fixes the device on the carp head. The invention solves the problem of using different wavelengths of LED light to stimulate the carp robot. It can not only rotate the LED with the required wavelength to the designated position, but also reduce the brain damage caused by the replacement of the device to the animal, and can also perform light control more conveniently. Experiments show that the invention can be applied to the control of the motion of aquatic animal robots by different wavelength light stimuli.
Owner:YANSHAN UNIV
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