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

209results about How to "Eliminate the influence of human factors" patented technology

Autogenous grinding and impurity removing method of thermokalite in high-purity quartz sand production

The invention relates to an autogenous grinding and impurity removing method of thermokalite in high-purity quartz sand production, which belongs to the technical field of quartz sand production. The method comprises the following steps: breaking quartz ores to reach lumpiness below 10 centimeters or granularity below 0.5 millimeter; uniformly inputting broken quartz lumps below 10 centimeters into an autogenous grinding machine (inputting quartz sand with the granularity being below 0.5 millimeter into a scrubbing machine), and meanwhile, adding an NaOH or Na2CO3 solution with a concentration of 1-2 percent according to a liquid-solid volume ratio of 0.5:1-2:1; at a temperature of 40-100 DEG C (90+ / -5 DEG C for the best), starting the autogenous grinding machine or the scrubbing machine to ensure that the quartz ores are mutually and autogenously ground so as to peel off impurities on the surfaces of the quartz ores; and washing the autogenously ground or scrubbed quartz by clear water or purified water until the pH value of the quartz reaches 7 after the washing. The invention can guarantee the product quality, obviously improve the resource utilization rate and the production efficiency, greatly reduce the pollutant discharge of the whole production process and reduce the cost of waste water treatment.
Owner:江苏阳山硅材料科技有限公司

Interface testing method and device

The invention discloses an interface testing method and an interface testing device. The interface testing method comprises the following steps: introducing system data into a reference system and a tested system respectively; traversing each reference interface in the reference system and each tested interface in the tested system respectively, screen-shooting the interfaces respectively every time when an interface is traversed and saving screenshots, wherein both the reference interfaces and the tested interfaces are generated according to the system data, the number of the reference interfaces is the same as that of the tested interfaces, each reference interface uniquely corresponds to one tested interface, and the correspondence indicates that the contents displayed by the reference interface and the tested interface are the same; and for each tested interface, considering that the test of the tested interface is passed if the similarity of the screenshot of the interface and the screenshot of the corresponding reference interface is determined to be greater than a predetermined threshold value, and otherwise, considering that the test of the tested interface is not passed. By applying the scheme provided by the invention, the testing efficiency and the accuracy of a test result can be improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Drilling in-situ testing device for testing mechanical parameters of engineering rock mass and use method of drilling in-situ testing device

The invention discloses a drilling in-situ testing device for testing the mechanical parameters of an engineering rock mass and a use method of the drilling in-situ testing device. The device comprises a penetration sounding loading system, a multi-point testing rotational positioning system, a propelling support system, a hydraulic loading system and a control system. The penetration sounding loading system and the multi-point testing rotational positioning system are connected together through a bearing and can move along with a propelling lever of the propelling support system, and finally,the whole device is regulated and controlled through the hydraulic loading system and the control system. The device and the method drill and load and test the engineering rock mass in situ, the deformation and fracture characteristics of the rock mass having different lithological characters and different drilling depths and the load-displacement curve and data of a surrounding rock in the loading process are acquired, the relevant technical indexes and parameters are obtained through conversion, the device and the method are favorable for accurately simulating the numerical value and effectively designing the supporting scheme in the construction process, the supporting strength and the engineering strength are guaranteed, and the guarantee is provided for the safety construction of theengineering like rock and soil, water resources and hydropower, and mines.
Owner:SHANDONG UNIV OF SCI & TECH

Portable erosion gully measuring instrument

InactiveCN101718545AHigh measurement accuracyReduce workload and work intensityProfile tracingPhysicsLaser rangefinder
The invention relates to an instrument for measuring a soil erosion gully, which aims to provide a measuring instrument with the characteristics of high measuring accuracy, high measuring efficiency, automatic measurement of wireless transmitted data, convenient transport and lower cost. The invention has the technical scheme that the portable erosion gully measuring instrument comprises a control circuit, a battery, a stand, a trolley and a laser distance measuring instrument, wherein the stand is arranged on the ground of the erosion gully; the trolley is positioned on the stand and can move along the stand; the laser distance measuring instrument is installed on a wheel stand of the trolley, vertically measures the height of the ground soil, and transmits the measured data to terminal equipment in a wireless transmission mode; the stand comprises a horizontally suspended beam and supporting feet for supporting both ends of the beam; the trolley comprises a bearing structure and an actuating mechanism, wherein the bearing structure is used for hanging the wheel stand of the trolley, and the actuating mechanism acts with the stand to generate driving force to move the trolley; two supporting edges used as guide rails are produced on the beam; and the bearing structure comprises a plurality of pairs of rollers which are supported by the supporting edges and are positioned in an inner cavity of the beam.
Owner:ZHEJIANG INST OF HYDRAULICS & ESTUARY +1

Automobile spare tire cover plate binding device

The invention provides an automobile spare tire cover plate binding device. The automobile spare tire cover plate binding device comprises an upper die mounting frame, a lower die rotary table and three lower forming dies, wherein the lower side rotary table is horizontally mounted on an equipment foundation, the three lower forming dies are fixed on the edge of the lower die rotary table and uniformly distributed around an axis of the lower die rotary table, the upper die mounting frame is fixed on the equipment foundation and arranged above the lower die rotary table, three work stations uniformly distributed around the axis of the lower die rotary table are arranged on the upper die mounting frame, the work stations are a fabric punching work station, a glue spraying work station and a binding work station, the three work stations are respectively provided with a fabric cropping upper die, a glue spray device and a binding upper die which are corresponding to the lower forming dies. A fabric is transmitted among the three work stations by using the lower die rotary table, the fabric is automatically located in the process of punching, glue-spraying and composite binding, the influence caused by human factors is totally eliminated. The device not only can guarantee the locating precision of a workpiece and the consistency of a product, and the production efficiency is greatly improved.
Owner:GREAT WALL MOTOR CO LTD

Bud injury preventing system for sugarcane cutting

The invention discloses a bud injury preventing system for sugarcane cutting, comprising a cutter and a clamping conveying mechanism driven by a motor controller, wherein the distance between the clamping conveying mechanism and the cutter is fixed; a camera is arranged above the clamping conveying mechanism; the distance from the center position of the camera to the cutting position of sugarcane is just the length of the sugarcane after being cut off; an output end of the camera is connected with a computer equipped with a MATLAB (MATrix LABoratory) software; and an output end of the computer is connected with the motor controller of the clamping conveying mechanism. According to the invention, accurate shutter triggering time interval is matched according to the rotating speed of the cutter and the conveying speed of the sugarcane to ensure that image collecting positions are consistent with actual cutting positions; and filtering, noise reduction and binarization processing are carried out on the collected images to judge whether sugarcane joints are cut by the cutter or not. The bud injury preventing system disclosed by the invention has the advantages that the rapid and accurate judgment on the sugarcane positions cut by the cutter is realized; the bud injury rate of the sugarcane seed stem joints and the production cost of the sugarcane are reduced; the sugarcane seed is saved; and the labour productivity is improved.
Owner:GUANGXI UNIV

Brain focus target puncture positioning method and puncture positioning device thereof

The invention provides a brain focus target puncture positioning method and a puncture positioning device. The puncture positioning device comprises a vertical positioning ruler, a first sliding baseand a horizontal positioning ruler, wherein the vertical positioning ruler is provided with first scales in the vertical direction; the first sliding base is vertically and slidably arranged on the vertical positioning ruler; the horizontal positioning ruler is arranged on the first sliding base. The puncture positioning method comprises the steps that a middle-line sagittal view surface of the brain of a patient is determined; brain CT scanning is carried out; CT scanning data is analyzed, and a target transverse-cutting layer image of a brain focus of the patient is determined; a middle-linesagittal image and the target transverse-cutting layer image are modeled in proportion, and simulated puncture is carried out; then solid puncture is carried out on the brain of the patient. The focus target puncture positioning method and the puncture positioning device thereof are used so that multi-point puncture positioning can be realized, the influence of human factors is eliminated, the puncture accuracy of a focus target and the success rate of an operation are improved, the operation difficulty is reduced, the operation time and the pain of the patient are reduced, and the method andthe device have high application and popularization significance.
Owner:杨俊

Method used for drilling tool thread repair by using numerically controlled lathe

The invention provides a method used for drilling tool thread repair by using a numerically controlled lathe, and belongs to the field of thread machining. The method comprises the steps that firstly,tool selection is conducted; secondly, a thread turning starting point is determined; thirdly, tool setting is completed, wherein the fact that a tool nose does not collide with a workpiece to be repaired is used as a basis in the X direction, in the Z direction, the tool nose is located in the middle of threads and then moved into a spiral groove of the threads, the radial X and axial Z positionof the tool nose is slightly adjusted until the tool nose coincides with the spiral groove, single step run is selected, reading is conducted through public variables, and tool setting operation is completed; fourthly, the tool nose is moved to the position of N thread pitches of the tool setting spiral groove to serve as an initial point of continuous machining; and fifthly, continuous machiningis carried out to complete thread repair. According to the method, the inaccuracy caused by human factors is eliminated, the drilling tool repair quality is improved, dimensional stability is realized after thread repair, the numerically controlled lathe runs automatically, the labor intensity is reduced, and the efficiency is high.
Owner:CNPC BOHAI DRILLING ENG

Detection method and detection device for online detection of scale and corrosion inhibitor concentration in circulating cooling water and circulating cooling water treatment control system

The invention provides a detection method for online detection of the scale and corrosion inhibitor concentration in circulating cooling water. A cationic polyelectrolyte serves as a detection reagent, the detection reagent is added to a circulating cooling water sample, full mixing is performed, reaction is performed for 15-20 minutes, then an absorbance value of the reacted circulating cooling water sample is detected under the wavelength condition of 400-600 nm, and the scale and corrosion inhibitor concentration in the circulating cooling water is determined according to the absorbance value. The detection method is wide in application range, short in detection period, high in detection accuracy and good in stability and is not limited by the condition whether a scale and corrosion inhibitor is a phosphorus-containing or phosphorus-free agent. The detection device adopting the detection method can achieve online automatic detection, replace manual operation and eliminate various human factors and the influence of response time lag of all links and is simple in operation and low in operation cost. In addition, the circulating cooling water treatment control system composed of the online detection device can achieve whole-process management and automatic dosing control of circulating cooling water and is suitable for industrial application.
Owner:SHIJIAZHUANG JIYUAN ENVIRONMENTAL TECH CO LTD

Bar stock heating automatic sorting device

The invention discloses a bar stock heating automatic sorting device which comprises a support. The bar stock heating automatic sorting device is characterized by further comprising a discharging plate, a rotating shaft, a rotating shaft sleeve, an upper material supporting plate, a connecting rod, a connecting rod support body and a material distributing plate. One end of the discharging plate is fixedly connected with the support, the other end of the discharging plate and the upper material supporting plate are respectively located on two sides of the rotating shaft sleeve and are fixedly connected with the rotating shaft sleeve, the fixedly arranged connecting rod support body is hinged to the middle of the connecting rod, the lower portion of the connecting rod is connected with a piston rod of a cylinder, the rear end of the cylinder is connected to the support, the upper portion of the connecting rod is hinged to the lower portion of the material distributing plate, and a hinged shaft is placed in a sliding groove of the material distributing plate or the connecting rod. The middle of the material distributing plate is fixedly connected with the rotating shaft, the rotating shaft is placed in the rotating shaft sleeve, a temperature sensor is arranged above the material distributing plate, the cylinder is connected with an air source through a self-control valve, and the temperature sensor and the self-control valve are connected with a programmable logic controller (PLC). The bar stock heating automatic sorting device has the advantages of being high in production efficiency, good in sorting accuracy and high in safety, and overall quality of products is guaranteed.
Owner:CHINA RAILWAY LONGCHANG MATERIALS

Profile control well selection decision-making method suitable for offshore heavy oil reservoir

ActiveCN106894800AThe decision-making method of profile control and well selection is accurateEliminate the influence of human factorsFluid removalResourcesEngineeringViscosity
The invention relates to a profile control well selection decision-making method suitable for an offshore heavy oil reservoir. The profile control well selection decision-making method comprises the following steps that (1), single factor indexes in profile control well selection decision-making are divided according to index properties; (2), the numerical value of a comprehensive evaluation index of a water injection well to be evaluated is calculated; (3), the average value of comprehensive evaluation indexes of water injection wells of a block is calculated; and (4), the numerical value, obtained in the step (2), of the comprehensive evaluation index of the water injection well to be evaluated is compared with the average value, obtained in the step (3), of the comprehensive evaluation indexes of the water injection wells of the block so as to decide whether the water injection well to be evaluated needs to be subjected to a profile control measure or not. The method has the following advantages that (1), the influence of the viscosity of crude oil is fully considered in offshore heavy oil reservoir profile control well selection decision-making, so that the profile control well selection decision-making method is more accurate; and (2), all weight values are calculated through an analytic hierarchy process method, and the influence of human factors is removed, so that the profile control well selection decision-making method is more scientific and reasonable.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Automatic degumming method and device for multi-wire cutting of monocrystal/ polycrystalline silicon wafer

The invention discloses an automatic degumming method and an automatic degumming device for the multi-wire cutting of a monocrystal/ polycrystalline silicon wafer. The automatic degumming device comprises a workpiece (silicon wafer) which is to be degummed and is adhered to a connection plate, a bearing frame capable of accommodating and suspending the workpiece (the silicon wafer), wherein the bearing frame comprises a bottom plate and baffle plates which are arranged on the front lateral surface and the rear lateral surface and are matched with the positioning workpiece (the silicon wafer); positioning inserting strips which are inserted into the workpiece (the silicon wafer) at intervals are arranged on the two baffle plates on the front lateral surface and the rear lateral surface; the connection plate is suspended on the bearing frame; the bottom of the workpiece (the silicon wafer) which is to be degummed and is adhered to the connection plate is suspended relative to the bottom plate; and a buffer layer which drops after the workpiece (the silicon wafer) is degummed is laid on the bottom plate. By the automatic degumming method and the automatic degumming device, the influence of personal factors can be eliminated; the method is feasible and safe in operation; and the device is easy to manufacture, convenient to apply and obvious in an effect.
Owner:沈利军

An inflatable life raft pressure release device test device

The invention relates to a device for testing life rafts and discloses a device for testing an inflatable life raft pressure release unit. A horizontal lifting frame (1) has a U shape, a balance bar is fixedly connected to the upper parts of two side frames respectively, and floaters (7) are fixed at two ends of balance bars; a bearing is respectively arranged at central positions of the two sideframes and is rotationally connected with a life raft mounting turntable (6); one side of the life raft mounting turntable (6) is connected with one end of a life raft pressure release unit (5) to betested; the other end of the life raft pressure release unit (5) to be tested is penetrated by a rope (8); the two ends of the rope press against an expansion life raft (3) and are wound on a rope winding stick (10); the rope (8) can be tightened by a rotating hand wheel (4); and one or two graduated disks (2) are fixed on the side frames of the horizontal lifting frame (1). The invention provides a device for testing and judging whether a life raft pressure release unit releases pressure qualifiedly or not at a standard specified water depth when the life raft pressure release unit to be tested and the bound expansion life raft are put into water together, the device is convenient to use and operate, the influence of personal factors is eliminated, and all standard specified parameter items can be finished on one device.
Owner:FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI

Automatic assembling device for flexible shaft

The invention discloses an automatic assembling device for a flexible shaft. The flexible shaft is formed by assembling connectors at the two ends of a spring. The automatic assembling device for the flexible shaft comprises an automatic spring supply mechanism, a spring positioning, clamping and feeding mechanism, two automatic connector supply mechanisms, two connector positioning and clamping rotating shaft mechanisms and two rotating torque control mechanisms. According to the automatic assembling device for the flexible shaft, positioning and screwing of the spring and the connectors of the flexible shaft are achieved through the automatic mechanical devices such as the automatic spring supply mechanism, and the automatic degree is high; torque clutches are adopted in the rotating torque control mechanisms; when torque is increased to a certain extent, driving force is lost between the torque clutches and rotating shafts of servo motors of the control mechanisms; scrapped products caused when the torque is excessively large and the spring and the connectors are screwed excessively are avoided, and the production cost is lowered; and the clutch torque can be adjusted by adjusting adjustment screw rods and nuts, and the requirement for assembling different flexible shafts is met.
Owner:宁波韵声机芯制造有限公司 +1

Force application device for test of door-closing speed of vehicle

Provided is a force application device for the test of the door-closing speed of a vehicle. The force application device comprises a rack with universal wheels. The device is characterized in that a slide rail is arranged above the rack, a force application rod capable of sliding along the slide rail is arranged in the slide rail, a fixed pulley is fixedly arranged at the upper front part of the slide rail, a steel wire rope latch fixedly connected with the force application rod is arranged at the lower rear part of the slide rail, one end of a steel wire rope arranged on the pulley in a sleeved manner is fixed on the steel wire rope latch, the other end of the steel wire rope is provided with a hook capable of lifting a gravity weight, a force application rod block is arranged at the upper rear part of the force application rod, the upper rear part of the slide rail, corresponding to the force application rod block, is provided with a pin, the pin is movably connected with a handle with a stop pin, and the upper front part of the slide rail is provided with a slide rail block for limiting the force application rod. During practical detection of the door-closing speed, a speedometer is not needed, only the force application device is needed, the vehicle is qualified if the door is closed, and the vehicle is unqualified if the door cannot be closed; and the force application device can be used for the detection of the door-closing speed of left-right doors.
Owner:BRILLIANCE AUTO

Rapid determination method for content of total sugar in dry red wine

The invention relates to a rapid determination method for the total sugar content in dry red wine, comprising the following steps: 1) sample preparation; 2) instrument calibration: selecting an automatic reducing sugar measuring instrument based on the Fehling titration reaction principle, and automatically measuring reducing sugar After the instrument is started, it automatically completes three blank tests, that is, calibration T1. After the titration time of the three times of automatic memory tends to be stable, perform calibration T2, and manually add 0.5 mL of a glucose standard solution with a mass fraction of 1% for verification; 3) the sample Measurement: Add the dry red wine after acid hydrolysis treatment in step 1) dropwise into the reaction pool of the automatic reducing sugar tester, press the test button, automatically enter the measurement program, and automatically print after the measurement is completed. The rapid determination method of the total sugar content in dry red wine of the present invention has simple steps, and the automatic reducing sugar measuring instrument based on the Fehling titration reaction principle can stabilize various conditions affecting biochemical reactions, and can simply, quickly and accurately determine the total sugar in wine content.
Owner:INSPECTION & QUARANTINE COMPREHENSIVE TECH CENT JIANGXI ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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