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1060results about How to "Avoid compromising accuracy" patented technology

Dislocation type corn planting method and reciprocating flashboard type seed and fertilizer sowing machine

The invention relates to a dislocation type corn planting method and a reciprocating flashboard type seed and fertilizer sowing machine. The reciprocating flashboard type seed and fertilizer sowing machine comprises a seed box, a seed sowing pipe and a furrowing blade are arranged below a bottom plate of the seed box; a translational flashboard with a seed taking hole is arranged on the upper part of the bottom plate of the seed box; a closed isolation chamber is arranged above a seed sowing opening positioned at the bottom of the seed box and the flashboard; and the contact position of the lower part of a front wall plate of the isolation chamber and the flashboard is provided with a fur brush and a seed sowing press plate. The front end of the reciprocating flashboard type seed and fertilizer sowing machine is provided with a fertilizer box, a fertilizer sowing pipe, the furrowing blade and a fertilizer flashboard, wherein the fertilizer box is similar to a seed-metering device; the fertilizer flashboard and the seed flashboard are connected with same bearing and eccentric wheel together; and a drive shaft of the eccentric wheel is connected with a travelling wheel through a chain. In the dislocation type corn planting method, accurate mutual alternating sowing of seeds and fertilizers is carried out by using the reciprocating flashboard type seed and fertilizer sowing machine, the seeds are sown into adjacent rows in a dislocating way so that dislocating cavities positioned on the two adjacent rows are distributed in a triangular shape, and 2-5 seeds are sown into each cavity. The planting mode has the advantages of time and labor saving, reasonably enhanced planting density, lodging resistance, vigorous growth and sufficient solar thermal utilization of water fertilizers and can generally increase the yield of corns by more than 20-50 percent.
Owner:岑大伟

Thermal gravimetrical reactor applied to bulk specimen testing

The invention discloses a thermal gravimetrical reactor applied to bulk specimen testing, belonging to testing equipment for performing thermo gravimetric analysis on specimens and aiming to solve the problems that small-mass and small-sized specimens are required and a sample vessel is unbeneficial to gas-solid reactions in the conventional thermo gravimetric analyzer. Through a high-temperature reactor, reaction gas is preheated fully, so that mass measuring errors caused by temperature change of the reaction atmosphere are avoided; two types of hanging baskets are specific to different specimens respectively, so that the diffusion resistance during the reactions of bulk specimens is reduced effectively, and complete reactions and measuring accuracy are ensured; the height of an electric heating furnace is adjusted through a hydraulic lifting platform, so that samples can be heated at constant temperature under a high-accuracy condition. The thermal gravimetrical reactor can be used for dynamically measuring the mass changes of bulk specimens at various heating rates or under a constant-temperature condition, and is more consistent with the requirements of scientific research production than the conventional thermal gravimetrical analyzer.
Owner:HUAZHONG UNIV OF SCI & TECH

Method for rapidly detecting main component in active lime and passivated lime

The invention relates to the field of analytical chemistry and discloses a method for rapidly detecting a main component in active lime and passivated lime. The method comprises the following steps: 1, weighing a proper amount of active lime and passivated lime samples and carrying out a blank test along with the samples; placing the samples into a heating container; adding a proper amount of hydrochloric acid solution; heating till the samples are completely decomposed; cooling a few undissolved substances of the passivated lime sample to the room temperature; after the solution is filled into a volumetric flask to fix volume, respectively extracting two parts of proper amount of test solution; and 2, respectively titrating calcium oxide and magnesium oxide or calcium and magnesium. Theinvention has the characteristics that the sample decomposition is simplified, and a measurement error is reduced and the analysis time is shortened by controlling the titer of EDTA and EGTA titrand within the burette volume range; two separately added indicating agents are prepared into a mixed indicating agent to be added once when the calcium and magnesium or magnesium oxide is directly titrated so as to reduce the operation time; and the final result is obtained by adding the experience correction coefficient in the passivated lime sample.
Owner:WUHAN IRON & STEEL (GROUP) CORP

Turbidity sensor and water body turbidity on-line detection method

ActiveCN102928386AHigh Turbidity Detection AccuracyNot easy to splashScattering properties measurementsPollutantScattered light
The invention discloses a turbidity sensor and a water body turbidity on-line detection method. The turbidity sensor is of a special structure; the phenomena that the turbidity detection accuracy is influenced by attaching pollutants in a water body on a transmitting lens is possibly avoided; the condensation water mist on the transmitting lens is prevented by virtue of heating so as to eliminate the influence of the mist of the transmitting lens on detection; scattered light of the water body is acquired by an annular photovoltaic conversion device in 360 degrees, so that the effective received quantity of the scattered light is increased to the maximum extent; and the signal of an operation amplifying device is not needed to be amplified to guarantee the stability and reliability of the turbidity sensor. By utilizing the water body turbidity on-line detection method of the turbidity sensor, output voltage values, acquired for many times of a photovoltaic conversion device, are used and a processing mode that the average value is taken is adopted; modes of heating and light control are combined during the detection process every time, so that the detection error caused by the mist of the transmitting lens and the unstable light sources is eliminated, and the turbidity detection accuracy is further guaranteed.
Owner:重庆远感科技有限公司

End shaft drilling device

The invention relates to an end shaft drilling device. The end shaft drilling device comprises a machine frame and a supporting table, wherein a triangular plate is connected to the machine frame, a cam is arranged below one end of the triangular plate, a rotating shaft is arranged below the cam, a rotating shaft is coaxially connected with a rotating disc, the rotating disc can be meshed with thecam, the rotating shaft is connected with a transverse shaft and a supporting shaft through a bevel gear, a supporting disc is fixedly connected to the top end of the supporting shaft, and a collecting box is rotationally connected to the bottom end of the supporting shaft, the other end of the triangular plate is connected with a first fixing block, and the bottom end of the first fixing block is connected with a first supporting plate, the first supporting plate is connected with a sliding rod, the other end of the sliding rod is connected with a drill bit, a supporting spring sleeves the sliding rod, the first fixing block is fixedly connected with a transverse plate, the other end of the transverse plate is connected with a second fixing block, the bottom end of the second fixing block is connected with a push rod, a water bag is fixedly connected to the supporting table, the water bag is connected with a water spraying pipe, and the water spraying pipe is connected with a spray head. According to the device, the problems that the drill bit needs to be moved in a drilling process and iron scraps are not easy to remove due to excessively high temperature are solved.
Owner:CHONGQING HONGLEI MACHINERY MFG

Direct-reading type calipers for measuring ovality of pipeline

The invention provides a pair of direct-reading type calipers for measuring the ovality of a pipeline. The pair of direct-reading type calipers comprises a calipers body which comprises two calipers legs with the ends hinged to each other through a hinge pin; a rotation angle sensor used for detecting relative rotation angle signals of the two calipers legs is arranged on the hinge pin, a digital display box is arranged on one calipers leg, an integrated circuit board is arranged in the digital display box, a microprocessor used for processing and calculating the angle signals sent by the rotation angle sensor and obtaining a space value between the ends of the two calipers legs is integrated on the integrated circuit board, and a display screen connected with the microprocessor through signals is arranged on the digital display box. The direct-reading type calipers have the advantages that when the direct-reading type calipers are clamped on a bent pipe or an elbow of the pipeline, the number is read without the requirement for taking the direct-reading type calipers out of the pipeline, the angle value is directly read, the calipers legs of the calipers are fastened at largest distance points, and the phenomenon that due to the fact that the distance between the two calipers legs changes, the accuracy of the value is influenced is avoided. An electronic mode and a mechanical mode are used for measuring the angle and errors are reduced.
Owner:STATE GRID CORP OF CHINA +1

Cutting method of adhesive label

The invention belongs to the technical field of label or nameplate processing and discloses a cutting method of an adhesive label. The cutting method comprises the steps of winding, fixing, transversecutting and longitudinal cutting. A printed adhesive sticker is wound on a mounting roller, and then, the mounting roller is fixed to a transmission device. The adhesive sticker is pulled until the adhesive sticker clings to the upper surface of a conveyor belt, and the end part of the adhesive sticker is fixed to a winding roller. Then, a cutting knife is driven through a rotating motor to rotate, and transverse rip lines are cut on the adhesive sticker. Then, the cutting knife is driven by a cam to move downwards, longitudinal rip lines are cut on the adhesive sticker, and the cutting of the adhesive label is realized. The cutting method solves the problem that the use of manual cutting in the prior art causes a high defective rate during the production of the adhesive label.
Owner:CHONGQING SAN CHUANG PRINTING CO LTD

Shell assembling equipment capable of achieving accurate dispensing for LED lamp production

The invention discloses a shell assembling equipment capable of achieving accurate dispensing for LED lamp production. The shell assembling equipment particularly comprises a workbench, an operation table, a glue storage pipe and a grabbing mechanism, supporting columns are installed at the four corners of the top end of the workbench correspondingly, a top plate is fixed to the top ends of the supporting columns, and a silica gel storage tank is installed at one side of the top end of the top plate; and a vacuum pump is fixed to the other side of the top end of the top plate, an electromagnetic sliding rail is arranged at the side, close to the vacuum pump, of the interior of the top plate, a sliding block is installed in the electromagnetic sliding rail, a hydraulic lifting rod is fixedto the bottom end of the sliding block, and a vacuum suction cup is installed at the bottom end of the hydraulic lifting rod. According to the shell assembling equipment capable of achieving accuratedispensing for LED lamp production, through the arrangement of the electromagnetic valve, a hydraulic rod and a piston, after one-time dispensing is finished, the hydraulic rod can drive the piston tomove upwards, silica gel in a glue injection head is sucked back into the glue storage pipe, and the situation that the residual silica gel in the glue dispensing head drips and pollutes a shell of alamp body is avoided.
Owner:DONGGUAN XIANGFEI INTELLIGENT EQUIP TECH CO LTD

Multi-point and multi-depth water body sampling equipment and sampling method thereof

The invention discloses multi-point and multi-depth water body sampling equipment and a sampling method thereof. The equipment comprises a mounting plate, first group of water sample collecting devices are arranged on the mounting block and a sliding block; a handle is fixedly arranged on a cord-winding column, one end, far away from the cord-winding column, of an extension cord is fixed on the water sample collection box; a cylinder two switch is arranged at the top of an upper convex part, a floating ball is fixedly arranged on a push rod, a filter screen is fixedly arranged in a water inlettank formed at the side convex part, a baffle plate is fixedly arranged at a top surface of an output end of the cylinder two, and a hairbrush is fixedly arranged at one side, far away from the fixedplate, of a recess plate. The invention provides the multi-point and multi-depth water body sampling equipment, and has the function of automatically opening when reaching a specified depth, automatically closing after sampling, automatically coiling the cord after closing, and automatically cleaning the attached aquatic plant and moss in the upward movement of the cord coiling. The invention further discloses a sampling method of the multi-point and multi-depth water body sampling equipment, the operation is simple, and the equipment is worthy of popularizing.
Owner:合肥市宇驰检测技术有限公司

Infrared heating testing device and testing method for bituminous pavement

InactiveCN105319238AImprove heating efficiencyMeet the requirements of hot-in-place regenerationMaterial heat developmentInfraredData acquisition
The invention discloses an infrared heating testing device and testing method for bituminous pavement, and aims to enable the measured test data conclusion to play a theoretical guiding function on practice, and further enable the accuracy to be high, the simulation performance to be high and operation to be simple; the infrared heating testing device comprises a test bed framework, wherein an infrared ray generation device is arranged on the test bed framework; the infrared ray generation device is connected with an infrared ray generation controller, a liquefied petroleum gas inlet control valve and a variable-frequency air blower; the liquefied petroleum gas inlet control valve is connected to a liquefied petroleum gas source; the variable-frequency air blower is connected with an air source; a test block tray used for placement of a pitch test block is arranged at the lower end of the infrared ray generation device; an infrared radiation flow sensor capable of collecting the infrared ray radiation quantity of the infrared ray generation device is arranged on the test block tray; a plurality of temperature sensors are arranged in the pitch test block during testing; the infrared radiation flow sensor and the temperature sensors are all connected to a data acquisition instrument; the data acquisition instrument is connected to a computer capable of displaying test data.
Owner:CHANGAN UNIV

Personalized lumbar internal fixation auxiliary device and manufacturing method thereof

The invention relates to a personalized lumber internal fixation auxiliary device and a manufacturing method thereof. The personalized lumber internal fixation auxiliary device comprises two guide holes, two sleeve pipes and a connector, wherein the sleeve pipes are positioned in the guide holes, and the connector is connected with the guide holes on two sides. The manufacturing method comprises the following steps of: firstly, acquiring lumbar three-dimensional parameters through CT (computed tomography) scanning; secondly, designing a guide plate containing positioning guide holes for vertebral pedicles on two sides of a single vertebral body on a three-dimensionally reconstructed lumbar digital anatomical model; and finally, producing a template through a laser radiation layer-by-layer solidification forming technology. The personalized lumber internal fixation auxiliary device is used for accurate implantation of pedicle screws.
Owner:PEKING UNION MEDICAL COLLEGE HOSPITAL CHINESE ACAD OF MEDICAL SCI

Dynamic threshold anomaly detection method and system, storage medium and intelligent equipment

The invention discloses a dynamic threshold anomaly detection method and system, a storage medium and intelligent equipment, and the method comprises the steps: obtaining historical data and current data of a monitored business index, and carrying out the data cleaning operation, so as to obtain cleaning data; determining a sequence type of the current service data according to the cleaning data;inputting cleaning data into a corresponding prediction model according to the sequence type of the current service data to obtain a threshold reference value of a to-be-monitored time point; and inputting the current real data into an abnormality detection module, and when the real value of the monitoring time point exceeds a dynamic threshold range, marking the real value to be abnormal, replacing the real value with a threshold reference value, and adding the real value into a historical data queue so as to correct the model. According to the method, the fluctuation early warning accuracy and the threshold adaptability in the service monitoring process can be improved, the manual maintenance cost is saved, and the actual application requirements are met.
Owner:广州市申迪计算机系统有限公司

Locating device for long pipeline construction mounting

The invention discloses a locating device for long pipeline construction mounting. The locating device comprises a base, a jacking plate, a horizontal clamping mechanism and supporting mechanisms, wherein two slide rails are parallelly arranged on the top surface of the jacking plate; the horizontal clamping mechanism comprises a driving motor, baffle plates and clipping mechanisms; first slidingblocks are arranged on the bottom surfaces of the two baffle plates; the first sliding blocks are connected to the slide rails in a sliding manner; the clipping mechanisms are uniformly arranged at the upper parts of the inner side surfaces of the baffle plates; two T-shaped blocks are symmetrically arranged on the top surface of the jacking plate; a second screw is arranged between the two T-shaped blocks; the driving motor is arranged at the end part of the second screw; and the supporting mechanisms are symmetrically arranged on the two sides of the baffle plates. According to the locatingdevice, the structure is simple, practicability is high, clamping locating requirements of thin-walled tubes of different diameters can be met, and stability and reliability of clamping are improved;and besides, the inclination angle of the thin-walled tubes can be adjusted according to requirements of a construction site, requirements of practical construction mounting are met, and leakproofnessof connection among the thin-walled tubes is improved.
Owner:江苏省中瑞设备安装有限公司

Mechanical characteristic researching method of asphalt mixture based on atomic force microscopic technology

ActiveCN106248998ASample quality is goodImage of good mechanical propertiesScanning probe microscopyMicro nanoMechanical property
The invention relates to a mechanical characteristic researching method of an asphalt mixture based on an atomic force microscopic technology. The method comprises the following steps that (1) a freezing low-temperature cutting method is used to prepare an asphalt mixture sample; (2) an AFM-QNM nano-scale mechanical property quantification module of an atomic force microscope is used to observe the asphalt mixture sample, mechanical characteristic images, including a modulus characteristic image, an anchoring strength characteristic image, a dissipation energy characteristic image and a deflection characteristic image, of the asphalt mixture sample are obtained; and (3) Nanoscope Analysis software is used analyze the mechanical characteristic images quantitatively, and the modulus value, anchoring strength value, dissipation energy value and deflection value of a component to be researched are obtained. The method provided by the invention is simple and easy to operate, and on the premise that different components of the mixture are not separated, the mechanical characteristic of the micro nano-scale of certain component can be measured directly, and basis is provided for in-situ discrimination of asphalt performance.
Owner:TONGJI UNIV

Sample processing device for soil heavy metal detection and processing method thereof

The invention discloses a sample processing device for soil heavy metal detection and a processing method thereof. The processing device comprises a hopper, a screen-out device, a preprocessing device, an allocation device, a sample rack and a digestion device. The screen-out device comprises a separating base, a positive electrode suction device, a screen-out fan and a collecting groove. The preprocessing device comprises a drying chamber, an electric heating wire, a lifting crushing screen and a sample suction port. The suction pump of the allocation device is connected with the sample suction port through a pipeline. The allocation device is connected with a metering valve. The sample rack comprises a rotating base used for rotating the sample rack at a fixed angle. A plurality of sample tubes are circumferentially arranged on the rotating base. An ultrasonic generator is arranged at the connection between the sample tubes and the rotating base. The digestion device comprises a storage tank and a digestion liquid peristaltic pump. In a word, the sample processing device has the advantage of novel structure, perfect method, good processing effect, small detection error and the like.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA

Vehicle trajectory deviation detection method, system and storage medium

The invention discloses a vehicle trajectory deviation detection method, a system, and a storage medium. The method comprises the following steps: extracting a starting point, an ending point and a turning point from a GPS data set of a driving route as key positions; performing trajectory matching in a historical trajectory data set and / or a planned trajectory data set obtained from an online mapservice according to the coordinates of the plurality of key positions; when historical trajectory data or planned trajectory data is matched, storing trajectories described by the plurality of key positions into a historical trajectory data set; and when the historical trajectory data or the planned trajectory data is not matched, judging that the driving route deviates from the trajectory. Keypoints are extracted from a GPS data set, so that the number of coordinate points for path matching is reduced, and resources occupied by storage and operation can be reduced; useless details can be shielded, and the matching precision is prevented from being affected by a large number of tiny errors. The method can be widely applied to the field of big data.
Owner:SUN YAT SEN UNIV

Ultrathin adhesive tape preparation method and thickness adjusting device

The invention discloses an ultrathin adhesive tape preparation method and a thickness adjusting device thereof, and relates to the technical field of ultrathin adhesive tape preparation. The spraying thickness of an adhesive is convenient to control. The ultrathin adhesive tape thickness adjusting device comprises a glue scraping mechanism and two first supporting frames, the glue scraping mechanism and the two first supporting frames are installed in a dust-free chamber, an adjusting stud is rotatably installed on the outer wall of the top of one first supporting frame, an adjusting guide rod is fixed to the outer wall of the top of the other first supporting frame through a screw, and a servo adjusting motor is fixed to one outer wall of the first supporting frame through a screw. The ultrathin adhesive tape preparation method comprises the following steps that one end of an adhesive tape base film is pulled to a winding roller to be fixed; and parameters are adjusted through a control screen, so that the servo adjusting motor controls the adjusting stud to rotate. By arranging a glue scraping roller, an adjusting frame and other structures, the servo adjusting motor can be controlled to work to drive the adjusting stud to rotate, and then the adjusting frame is made to ascend and descend, so that the distance between the glue scraping roller and the adhesive tape base film is changed, and the purpose of adjusting the thickness is achieved.
Owner:苏州睿泰鑫材料科技有限公司

Method and device for detecting direct current power transmission line fault

The invention discloses a method and device for detecting a direct current power transmission line fault. The method comprises: obtaining an input current and an output current of a to-be-detected segment of a direct current power transmission line; judging whether the relation between the input current and the output current satisfies a preset condition; and if the preset condition is satisfied, determining that the to-be-detected segment breaks down. According to the invention, the technical problem that in the prior art, the accuracy of a detection scheme of a direct current feeder line fault in a subway traction power supply system is easily affected by subway power consumption, so that the accuracy of fault detection is insufficient is overcome. The accuracy of direct current power transmission line fault detection is increased.
Owner:STATE GRID CORP OF CHINA +2

Single-side pedicle screw-driving auxiliary device and manufacturing method thereof

The invention relates to a single-side pedicle screw-driving auxiliary device and a manufacturing method thereof. The device comprises a guide hole, a sleeve, a first clamping piece, a second clamping piece, a cross shaft and a torsion spring. The invention also discloses the manufacturing method of the device. The manufacturing method comprises the following steps of: firstly, acquiring three-dimensional data of a vertebral body through CT (computed tomography) scanning, and three-dimensionally constructing a three-dimensional model of the vertebral body; secondly, fitting the clamping pieces which are complementary with anatomic form curved surfaces of a cone plate and an acantha by using engineering software; and finally, producing the device by using a rapid forming technology. The single-side pedicle screw-driving auxiliary device has the beneficial effects of being convenient and simple to use, shortening the average operation time, improving the efficiency, reducing the risk of exposure infection, avoiding traction injuries to surrounding tissues, and the like.
Owner:PEKING UNION MEDICAL COLLEGE HOSPITAL CHINESE ACAD OF MEDICAL SCI

Irrigation system for greenhouse water and fertilizer integration

The invention discloses an irrigation system for greenhouse water and fertilizer integration. The system comprises a blending box, a rotating rod is fixedly arranged at the output end of a rotating motor, an EC sensor and a PH sensor are fixedly arranged on the side wall of an inner cavity of the blending box, a water and fertilizer filter screen is fixedly arranged at the joint of a communicatingpipe and the blending box, and brushes are arranged on stirring blades close to the EC sensor, the PH sensor and the water and fertilizer filter screen. A fertilizer box is arranged above the blending box, and an impact ball is fixedly arranged at the end part of an extension rod. A three-way pipe is arranged on the blending box in a communicating mode, a first branch pipe is communicated with aninner cavity of the blending box, a second branch pipe is communicated with a rainwater collecting box, and a third branch pipe is communicated with a water inlet pipe. According to the irrigation system for greenhouse water and fertilizer integration, the rotating rod in the irrigation system can clean the EC sensor, the PH sensor and the water and fertilizer filter screen while stirring water and fertilizer mixed liquid, measurement is accurate, blockage is avoided, and the use is convenient.
Owner:安徽省益丰生态农业科技有限公司

Test simulation device for confined aquifer

InactiveCN102608289AThe test process is intuitiveSimple structureEarth material testingEngineeringWater supply
The invention discloses a test simulation device for a confined aquifer. The test simulation device comprises a sandy soil container, a feed water height control device, a water supply device and a pressure measuring and observing device, wherein the sandy soil container is arranged obliquely, one end of the sandy soil container is provided with a first water inlet pipe, a plurality of pressure measuring nozzles are uniformly distributed on the front side wall, the rear side wall and the bottom face of the sandy soil container and are connected with one pressure measuring pipe of the pressure measuring and observing device through a connecting pipe, a water pumping pipe is arranged at the bottom of the sandy soil container, a discharge casing is fixed outside a side wall at the lower end of the sandy soil container, the top of the sandy soil container is connected with a pressure-bearing top cover which is provided with at least one overflow pipe; the feed water height control device comprises a water tank, which is connected with a lift device; and the pressure measuring and observing device comprises a pressure measuring plate and a plurality of pressure measuring pipes which are arranged on the pressure measuring plate side by side. By means of the scheme, the test simulation device disclosed by the invention can simulate the change characteristics of a three-dimensional flow field of the confined aquifer under a natural condition and a mining condition, and test simulation device is simple in structure and low in price.
Owner:HUAINAN UNITED UNIVERSITY

Polishing equipment for mechanical gear machining

The invention discloses polishing equipment for mechanical gear machining. The polishing equipment comprises a supporting frame; a box body is fixedly installed at the top of the supporting frame, anda box door is fixedly installed on a left side plate of the box body; a first electric push rod is fixedly installed at the top of an inner cavity of the box body, a first motor is fixedly installedat the bottom of the first electric push rod, and the first motor is in transmission connection with a grinding disc through a rotary shaft arranged at one end of the first motor; and a supporting seat is fixedly installed at the bottom of the inner cavity of the box body, an oil collecting groove is formed in the middle of the upper surface of the supporting seat, and the two sides of the oil collecting groove are both provided with positioning plates. According to the polishing equipment, second electric push rods, second motors, connection plates, first connection rods and second connectionrods are arranged and cooperate for usage, in the machining process, the two connection plates are pushed to go close to each other through the second electric push rods, then, the first connection rods and the second connection rods are clamped and connected with one another and all can be contracted, and accordingly parts of different sizes can be fixed.
Owner:绍兴柯桥雷霄机械科技有限公司

Automatic wall polishing facility

An automatic wall polishing facility comprises a supporting and travelling mechanism and a polishing mechanism. The supporting and travelling mechanism comprises a base plate. A machine box is arranged on the surface of the top of the base plate, and a first servo motor is installed inside the machine box. A bevel gear at one end is driven through rotation of the first servo motor, the bevel geardrives a first threaded rod to rotate, and therefore an adjusting block is connected with the first threaded rod in a rotating mode through a second threaded hole which is formed inside the adjustingblock, the adjusting block can slide up and down on the first threaded rod, and polishing of the portions, with different heights, of a wall is achieved. Meanwhile, a second threaded rod is horizontally installed on the top of the base plate, and drives a bevel gear to rotate through a second servo motor at one end of the second threaded rod, and therefore the machine box is connected with the second threaded rod in a rotating mode through a first threaded hole which is formed inside the machine box, and the machine box can move in the horizontal direction. Electric telescoping rods and buffersprings are installed on the side wall of the interior of the polishing mechanism so that buffering in the process that the facility makes contact with the wall can be provided. In addition, a dust absorption cover which is connected with an air blower is installed at the bottom end of the polishing mechanism so as to absorb the dust.
Owner:QILU INST OF TECH

A kind of assay method and equipment for platelet aggregation and coagulation factor

The invention relates to a method for measuring the platelet aggregation and a blood coagulation factor. In the method, a full-automatic coagulate blood analytical instrument is used, the platelet aggregation is measured by using photoelectric turbidimetry and the blood coagulation factor is measured by using a double magnetic circuit and bead method. The method comprises the following measuring steps of: preparing a platelet aggregation inductive agent, platelet rich plasma and platelet poor plasma; respectively reading light transmittance data of a platelet poor plasma sample and light transmittance data of a platelet rich plasma sample as well as light transmittance data of the platelet rich plasma during the forming process of the platelet aggregation within the specified time; calculating the platelet aggregation rate of the measured blood sample; absorbing the platelet poor plasma and injecting the platelet poor plasma in a hemagglutination cup; absorbing the selected reagent according to a test program and injecting the selected reagent into the hemagglutination cup; automatically monitoring the amplitude of a steel bead; and generating a test report by using measuring results of the platelet aggregation and the blood coagulation factor according to input information of patients.
Owner:BEIJING PRECIL INSTR CO LTD +1

Solid material secondary electron emission coefficient testing device with intelligent measurement and control technology

The solid material secondary electron emission coefficient testing device with intelligent measurement and control technology of the present invention includes a mechanical system, an electrical control system and an analysis and detection system; the mechanical system includes a vacuum chamber, a vacuum pump, an electron gun, an electron collection device and a heating device, and Provide a vacuum environment, generate and collect secondary electrons; the electrical control system includes a power supply, a programmable controller and a temperature control circuit, and the programmable controller controls the power supply voltage through a digital and analog conversion module; the analysis and detection system includes an industrial computer , digital-to-analog conversion module, two-way oscilloscope card and touch control screen, and KingView is installed on the industrial computer to store, analyze and process the detected electronic signals, and display the secondary electron emission coefficient of the measured solid material The relation curve between electron energy and electron gun exiting electron energy. The invention can better meet the needs of industrial antistatic design, engineering material selection and static electricity prediction for measuring the secondary electron emission coefficient of solid materials.
Owner:SOUTH CHINA UNIV OF TECH

Automobile automatic oiling device and system

The invention provides an automobile automatic oiling device and system. By arranging an oil cap opening mechanism and an oiling mechanism which work cooperatively, the oil cap opening mechanism can automatically open an oil cap of an automobile, the oiling mechanism can automatic inject gasoline into an oil tank with the oil cap being opened, the whole oiling process is automatic, the tedious process of labor manual oiling is omitted, and the labor intensity of workers is relieved; the oil tank is uncapped through a six-axis robot, and the six-axis robot is high in flexibility, can uncap oiltanks of vehicles of different brands and different models and thus is high in universality; by arranging an X-axis sliding module, a Z-axis sliding module, a first rotating support and a Y-axis sliding module, an oil gun can be accurately driven to move multi-directionally, damage caused by inaccuracy of the action of inserting the oil gun into the oil tanks to a gun head is avoided, and the automobile automatic oiling device and system can adapt to the vehicles of different brands and different models; and an inner cap clamping assembly is further arranged in the oiling mechanism, and the inner cap clamping assembly is in butt joint with a second uncapping assembly to clamp inner caps of the oil tanks to prevent the inner caps from hindering oiling.
Owner:中山市严格未来科技产业发展有限公司

Capillary rheometer and method for measuring rheological properties of polymer materials

The invention discloses a capillary rheometer and a method for measuring rheological properties of polymer materials. The capillary rheometer comprises a charging barrel, wherein the front end of the charging barrel is provided with a feed port, and the rear end of the charging barrel is provided with a discharging port. A first capillary channel, a material flowing pipeline and a second capillary channel are arranged in the charging barrel, and the feed port is communicated with the discharging port sequentially through the first capillary channel, the material flowing pipeline and the second capillary channel. The cross-sectional area of the material flowing pipeline is larger than that of the first capillary channel and the second capillary channel. The method can simultaneously measure shearing rheological parameters and extensional rheological parameters of the polymer materials. During measuring polymer composite materials, the method can avoid the influence of artificial factors, reduce the errors in measurement for several times, and increase the accuracy of measurement.
Owner:SOUTH CHINA UNIV OF TECH

A processing method for the seam of a cylinder block

The invention discloses a method for processing a stop mouth of an air cylinder body. The method comprises the following steps of: 1) finely milling the upper plane of the air cylinder; 2) measuring the sizes of at least three preset points at the periphery of each cylinder hole of the air cylinder body away from the preset plane to obtain each size parameter and inputting the size parameters into a numerical control platform, wherein the preset plane is parallel with the standard plane of the upper plane of the air cylinder body; 3) comparing each size parameter with the preset parameter value to obtain an offset value; 4) judging whether the offset value is in the preset offset value range, if so, turning to the step 5), and otherwise, turning to the step 2); 5) determining the plane byutilizing each size parameter and amending a processing coordinate system; and 6) under the amended processing coordinate system, processing the stop mouth of the air cylinder body according to the preset processing size. By the processing method provided by the invention, the processing precision of the stop mouth of the air cylinder body can be improved, consistency of products can be improved,processing rework rate and rejection rate are reduced, and manufacturing cost is reduced.
Owner:WEICHAI POWER CO LTD

Intelligent traditional Chinese medical science pulse manifestation and heart detector

The invention discloses an intelligent traditional Chinese medical science pulse manifestation and heart detector, and belongs to the technical field of pulse manifestation instruments. The intelligent traditional Chinese medical science pulse manifestation and heart detector comprises a fixed base, a supporting column, pulse sensors, clamping devices and a connecting column, wherein the clampingdevices are respectively arranged at the left end and the right end of the fixed base; a fixed hand pillow is in threaded connection to the left half part of the upper surface of the fixed base; the right end of the upper surface of the fixed base is fixedly connected with the bottom end of the supporting column; a rotating block is fixedly connected to the top end of the inner part of the supporting column; the lower surface of the rotating block is rotatably connected with the upper end of a rotating rod; the rotating rod is fixedly connected with a sliding device; one end of the sliding device is fixedly connected with the right end of a sliding horizontal rod; a tightness degree regulating device is arranged on the sliding horizontal rod; the connecting column is fixedly connected to the lower end of the tightness degree regulating device; and the pulse sensors are arranged at the bottom end of the connecting column. According to the intelligent traditional Chinese medical sciencepulse manifestation and heart detector disclosed by the invention, a patient puts an arm in a groove formed in the middle part of the fixed hand pillow, and maintains smooth, the pulse sensors are incontact with the pulse of the arm of the patient for performing diagnosis, and the detection result can be displayed through a display panel, so that the diagnosis efficiency is higher.
Owner:XIAN INT UNIV
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