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44results about How to "Avoid impact detection" patented technology
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A testing device for polymer material thermal aging and a testing method
ActiveCN105527310AImprove research precisionImprove research efficiencyMaterial thermal analysisEngineeringSingle variable
The invention provides a testing device for polymer material thermal aging and a testing method, and relates to the field of chemical engineering. The testing device comprises a box. A testing cavity and a preheating cavity are disposed in the box. The testing cavity is larger than the preheating cavity. The top of the preheating cavity is communicated with an annular gas delivery pipe. The annular gas delivery pipe winds at the bottom of the testing cavity, and is provided with a plurality of gas inlet holes communicated with the testing cavity. Each of the gas inlet holes is provided with a gas flowmeter. A first thermal insulating layer is adhered at the outer side of the testing cavity. The annular gas delivery pipe is disposed between the testing cavity and the first thermal insulating layer. The testing device is simple and efficient, and single-variable control for the thermal ageing testing device can be achieved, and therefore influences of temperature on thermal ageing can be researched.
Owner:吴川市美景塑料有限公司
Wheel set flaw detector capable of adjusting wheel track of walking mechanisms
The invention relates to the field of flaw detectors, in particular to a wheel set flaw detector capable of adjusting the wheel track of walking mechanisms. The wheel set flaw detector comprises a flaw detection mechanism, an adjusting mechanism, two walking mechanisms, a sweeping mechanism and a driving mechanism, wherein the walking mechanisms are oppositely mounted at two ends of the flaw detection mechanism; the two walking mechanisms are allowed to approach or depart from each other by utilizing the opening and closing principles of ribs; as the two walking mechanisms are contracted, thewhole wheel set flaw detector can be placed in a pipeline to be detected; and the walking mechanisms have a telescopic function, and the two walking mechanisms are loosened after being put into the pipeline to be detected, so the ends of the walking mechanisms abut against the pipeline. According to the invention, the wheel track is rapidly adjusted according to pipelines with different diameters;the whole structure of the wheel set flaw detector is guided, and the situation that the whole structure inclines during walking and the detection of pipelines is affected is avoided; when the wholestructure is placed into a pipeline needing to be detected and then rotates clockwise, expansion of the two walking mechanisms is achieved, so operation is easy; and the expansion of the two walking mechanisms is controlled at the same time, so wheel track adjusting time is saved.
Owner:响水县正响建设发展有限公司
Orthogonal frequency division multiplexing technology multi-frame synchronization method based on IEEE802.11 protocol
ActiveCN106685879AAvoid ups and downsAvoid impact detectionMulti-frequency code systemsEffective solutionMultiple frame
The present invention provides an OFDM (Orthogonal Frequency Division Multiplexing) technology multi-frame synchronization method based on IEEE802.11 protocol, relates to the communication technology, and realizes the identification of the frame header and the frame tail of a baseband signal multiple burst frame of a receiving terminal. The method comprises: employing the baseband signal silent period of a receiver to complete rough synchronization frame header estimation; capturing the minimum frame length after the rough synchronization, and obtaining the fine synchronization frame header estimation according to the short training sequence sliding autocorrelation in the minimum frame length; obtaining the frame tail estimation according to the power mutability according to the silent period of the frame tail symbol prior to the next frame; and capturing the data repeat detection after the frame is end until all the burst frames included in the receiving signals are detected. The orthogonal frequency division multiplexing technology multi-frame synchronization method based on the IEEE802.11 protocol employs the features of the receiving signals themselves to complete the multiple burst frame synchronization of the receiver terminal to reduce the realization difficulty and the algorithm complexity and provide a simple and efficient solution scheme for the frame synchronization of the baseband signal multiple burst frames.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Automatic positioning error correction device used for plastic-shell low-voltage electric appliance integration characteristic detection
ActiveCN106990307AAccurately reachPrecise positioningElectrical testingUsing optical meansLow voltageTest frame
The invention relates to an automatic positioning error correction device used for plastic-shell low-voltage electric appliance integration characteristic detection. The device comprises a clamping mechanism and a detection mechanism which are adjacent to each other. The clamping mechanism comprises a first frame, a support plate horizontally arranged on the first frame and a tooling base plate which can be rotated relative to the support plate. The first frame is provided with one or more hinge flip components which compact and position the rotated tooling base plate. Each hinge flip component comprises a first air cylinder, an air cylinder joint connected to an output terminal of the first air cylinder, a pressing rod whose one end is rotatably connected to the air cylinder joint and a first hinge moving block, wherein one end of the first hinge moving block is rotatably connected to the pressing rod and the other end is rotatably connected to a fixing plate which supports the first air cylinder. The detection mechanism comprises a second frame and a test framework arranged on the second frame. The test framework is provided with one or more groups of probe mechanisms, a CCD mechanism used for capturing a target position and a targeting laser mechanism, wherein the probe mechanisms move along an X axis and an Z axis; the CCD mechanism can move along the X axis, a Y axis and the Z axis; and the targeting laser mechanism can move along the X axis.
Owner:SUZHOU UNIV
Liquid-cooled heat dissipation circuit board gas tightness detection and liquid and gas filling protection integrated equipment
InactiveCN110702333ASave work spaceReduce wasteMeasurement of fluid loss/gain rateDispersed particle filtrationThermodynamicsProcess engineering
The invention relates to liquid-cooled heat dissipation circuit board gas tightness detection and liquid and gas filling protection integrated equipment. The equipment comprises a gas tightness detector, a liquid filling component, a liquid filling pipeline, a gas filling pipeline, a discharge pipeline, a liquid filling switching valve, a gas filling switching valve, discharge switching valves anda common pipeline, wherein the liquid filling component and the liquid filling switching valve sequentially communicate with an inlet of the common pipeline through the liquid filling pipeline, an inlet of the gas filling pipeline is externally connected with gas filling equipment, an outlet of the gas filling pipeline communicates with the inlet of the common pipeline, the gas tightness detectorand the gas filling switching valve are sequentially arranged on the gas filling pipeline, and the discharge switching valves are arranged on the discharge pipeline. The equipment has the advantagesthat gas tightness detection and liquid filling, liquid discharging and nitrogen filling protection processes are integrated to be completed on one set of equipment, components required to be used inthe four processes can be utilized comprehensively, waste is reduced, and three quarters of working space of an enterprise can be saved after integration of the four processes.
Owner:WUHAN CLIMATE EQUIP
Universal fluorescent probe and detection method and application thereof
InactiveCN106636409AImprove versatilityEliminate fluorescence quenching effectsMicrobiological testing/measurementDNA/RNA fragmentationFluorescenceQuenching
The invention relates to the field of real-time fluorescent PCRs (Polymerase Chain Reactions), in particular a universal fluorescent probe and a detection method and an application thereof. The universal fluorescent probe comprises a positive chain probe, a negative chain probe and a specific downstream primer, wherein the positive chain probe comprises an oligonucleotide positive chain sequence, a connection sequence and a specific upstream primer sequence which are connected in sequence from end 5' to end 3'; the negative chain probe comprises an oligonucleotide negative chain sequence which is complementary with the oligonucleotide positive chain sequence, the end 5' and the end 3' of the oligonucleotide negative chain sequence are connected with a fluorescent group and a quenching group respectively; the specific upstream primer sequence and the specific downstream primer are complementary with a target sequence of a target gene. According to the detection method, fluorescent PCR amplification is performed by the universal fluorescent probe; the universal fluorescent probe can be applied to genetic typing and mutation gene detection; by adopting the universal fluorescent probe and the detection method and the application thereof, real-time detection is realized, PCR subsequent treatment is not required, the designing and synthesizing time is saved, cost is lowered, and high result stability and easiness in analysis are realized.
Owner:GENOWISE
Liquid chromatograph
ActiveCN110260114AAvoid impact detectionEasy to assemble and disassemble the supportComponent separationNon-rotating vibration suppressionWater qualityEngineering
The invention relates to the field of water quality detection instruments, in particular to a liquid chromatograph. The liquid chromatograph comprises a liquid chromatograph body, wherein first magnets are embedded at the periphery of the bottom of the liquid chromatograph body, the liquid chromatograph body is magnetically connected with corrugated pipes through the first magnets, the liquid chromatograph body is elastically connected with a supporting base through the corrugated pipes, the top of the supporting base is in threaded connection with telescopic sleeve rods, and the bottom of the liquid chromatograph body is fixedly connected with buffer pieces. According to the liquid chromatograph, the height of the liquid chromatograph body can be adjusted through the telescopic sleeve rods, so that the liquid chromatograph can be conveniently matched with other equipment or conveniently used by operators, the flexibility is increased, meanwhile, the telescopic sleeve rods can be matched with the buffer pieces during use, the buffer pieces have the shock absorption and damping effects so as to be capable of well alleviating the influence of the ground road condition on the liquid chromatograph body in the transportation process, the normal work of internal components inside the liquid chromatograph body is guaranteed, and the service life of the liquid chromatograph body can be conveniently prolonged.
Owner:王戗戗
Safety mechanical fault diagnosis detection device
InactiveCN109000730AImprove immersionEasy to immerse and easy to adjustMeasurement devicesLiquid waterEngineering
The invention discloses a safety mechanical fault diagnosis detection device. The safety mechanical fault diagnosis detection device comprises guide wheels, a box body, a heater, an infrared detector,fixed clamps, LED lamps, a camera, temperature sensors and an ultrasonic detector, wherein the guide wheels are arranged on the bottom surface of the box body; the heater is arranged on the inner wall of the box body; the infrared detector and the ultrasonic detector are further arranged on the inner wall of the box body; elastic ropes are arranged at the top end of the box body; the fixed clampsare arranged on the corresponding elastic ropes; a data transmission line is arranged in the box body, and a plurality of groups of temperature sensors are arranged on the data transmission line; a sucker is arranged on the surface of each temperature sensor; a gas filling tank is arranged on the side wall of the box body; a liquid water storage tank is arranged on the box body, and a rotating wheel is arranged in the box body; blades are uniformly arranged on the outer wall of the rotating wheel; a brush is arranged at the outer end head of each blade; and the LED lamps and the camera are arranged on the inner wall of the top end of the box body. By virtue of the device, multiple groups of different data are obtained and compared, the fault of the machine is accurately diagnosed, the influence of external factors to the detection result is reduced, and the accuracy is improved; and meanwhile, the structure is simple, the operation is convenient, and the popularization is facilitated.
Owner:佛山市北科科技创新服务中心
Electric energy meter operation error calculation data cleaning system and method based on electricity utilization characteristics
PendingCN113722300AGood influenceAffect maintenanceData processing applicationsDigital data information retrievalPower usageData identification
The invention discloses an electric energy meter operation error calculation data cleaning system and method based on power utilization characteristics. The electric energy meter operation error calculation data cleaning system comprises a data acquisition unit, a data preprocessing unit, a data analysis unit, a data identification unit and an abnormal data cleaning unit, and can mark acquired abnormal electric energy meter data or power utilization information of a power supply company in an electric energy meter operation error calculation process; the abnormal data is deleted, the abnormal data and the normal data are prevented from being mixed and included in the operation error calculation range of the electric energy meter, the accuracy of operation error calculation of the electric energy meter is ensured, qualified and high-quality data can be provided for error data analysis of the electric energy meter of a user, and an operation error analysis basis is provided for the electric energy meter.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO MARKETING SERVICE CENT
Grain surface moving device platform for grain depot
ActiveCN108871862AReduce resistanceImprove passabilityWithdrawing sample devicesDrive wheelEngineering
The invention discloses a grain surface moving device platform for a grain depot, and relates to the technical field of grain sampling machinery. The moving device platform comprises a base box and anautomatic grain pile detection system arranged on the upper portion of the base box, a controller of the automatic grain pile detection system is arranged inside the base box, the controller is provided with a wireless module, the lower bottom surface of the base box is of a fish-maw-shaped structure, supporting frames are arranged on the two sides of the base box, the front ends and the rear ends of the two sides of the supporting frames are connected with supporting rods, the other ends of the supporting rods are connected with motor boxes, driving motors are arranged in the motor boxes, rotating shafts of the driving motors on the same sides of the supporting frames are connected to the same rotating rods, spiral wheels are arranged on the rotating rods between the motor boxes on the same sides of the supporting frame, and the driving motors are electrically connected with the controller. The moving device platform has the advantages that the spiral wheels are arranged on the two sides of the base box to serve as driving wheels, in addition, the lower bottom surface of the base box is configured to be of the fish-maw-shaped structure, so that the resistance is reduced, and thetrafficability is high.
Owner:ANHUI JULI MACHINERY MFG +1
Security check, ticket check and epidemic prevention integrated intelligent device and use method
PendingCN114821875AEasy accessAvoid carryingTicket-issuing apparatusRailway componentsSecurity checkIntelligent equipment
The invention discloses security check, ticket check and epidemic prevention integrated intelligent equipment and a use method, and belongs to the technical field of urban rail transit. The integrated intelligent equipment comprises a gate assembly and a detection assembly. The gate assembly comprises a gate, a side door and two metal detection doors, the gate is located on one side of the two metal detection doors, a vertical rod is arranged at the fixed end of the gate, a temperature measuring camera is arranged on the vertical rod, and the two metal detection doors are connected through a connecting block. The detection assembly comprises a first display screen, a code scanning module and a card swiping module, the first display screen is electrically connected with the temperature measurement camera, the code scanning module and the card swiping module are arranged at the fixed end of the gate machine at intervals, the gate machine is electrically connected with the metal detection door, the code scanning module and the card swiping module, and the side door is electrically connected with the metal detection door, the code scanning module and the card swiping module. According to the security check, ticket check and epidemic prevention integrated intelligent equipment provided by the embodiment of the invention, the requirement of epidemic prevention and control normalization can be met.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
FPGA implementation method suitable for pulse compression of large pulse width signal
PendingCN109490849AReduce demandEliminate truncation hazardsWave based measurement systemsTime domainFpga implementations
The invention provides an FPGA implementation method suitable for pulse compression of a large pulse width signal. The method comprises the following steps of (S1) transmitting a pulse echo signal collected after the down-conversion to a FFT module for FFT processing to obtain a two-channel frequency domain signal; (S2) conjugating and multiplying the obtained two-channel frequency domain signal by samples stored in the ROM in an FPGA chip; (S3) converting the multiplied result to a two-channel time domain signal by IFFT, and combining the two-channel time domain signal into one channel to complete the frequency domain pulse compression. The method reduces the problem of the requirement of hardware resources when the large pulse width signal is compressed, and achieves the pulse compression function of the large pulse width signal in the FPGA. The method has strong flexibility and has a strong practical value and a promotion value.
Owner:重庆秦嵩科技有限公司
Automatic fluorescence scanning detection equipment and method thereof
PendingCN112986201AEasy to read intuitivelyConvenient display of scan detection informationFluorescence/phosphorescenceFluorescenceEngineering
The invention discloses automatic fluorescence scanning detection equipment and a method thereof. The equipment comprises a lower machine body, a bottom plate is arranged at the bottom of the lower machine body, a left fixing plate is vertically fixed to the left end of the upper end face of the bottom plate, and a right fixing plate is vertically fixed to the right end of the upper end face of the bottom plate; a partition plate is fixed between the middle of the inner side face of the left fixing plate and the middle of the inner side face of the right fixing plate, the upper end of the left fixing plate and the upper end of the right fixing plate are perpendicularly fixed to the left end and the right end of the bottom face of a top plate respectively, a microscopic imaging system is installed in the middle of the top plate, and an automatic focusing system is installed on the rear side of the middle of the microscopic imaging system. An objective lens imaging system is installed on the lower portion of the automatic focusing system, and the lower end of the objective lens imaging system faces a movable block on the movable platform structure. According to the automatic fluorescence scanning detection method, the operation steps of the equipment are introduced in detail, and each step is described more meticulously, so that a user can understand and operate more simply, and the equipment is more convenient to use.
Owner:苏州图墨医疗科技有限公司
Double station electrical test device
ActiveCN109932636BImprove detection efficiencyAvoid impact detectionElectronic circuit testingDevice materialElectrical testing
Owner:信泰电子(西安)有限公司
Experiment device for measuring collapsibility of saline soil
ActiveCN110618254AEffective observation of experimental phenomenaEffectively monitor progressEarth material testingMeasurement deviceEngineering
The invention discloses an experiment device for measuring collapsibility of saline soil. The experiment device comprises a sample storage device, a loading device, a water injection device and a measurement device, wherein the sample storage device is used for filling to-be-detected soil and comprises a cylindrical barrel, an opening is formed in an upper end of the cylindrical barrel, at least one group of round holes are formed in a side wall of the cylindrical barrel along an axial direction of the cylindrical barrel, and each group of round holes at least comprises two round holes which are distributed in an outer side of the cylindrical barrel in an array way. By the device, simulation experiment can be performed according to different requirements and different quantity of soil adjustment samples, the experiment phenomenon and progress can be effectively observed by the transparent glass, water can be injected through different round holes, the angles and the quantity of water injection are improved, and on the basis of the reasons, the device can be widely promoted in the field of collapsibility measurement experiment of the saline soil.
Owner:THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GRP +2
Portable building calibrator
PendingCN114562980AContact area effectLevel of influenceIncline measurementStructural engineeringMechanical engineering
The invention belongs to the field of building measurement, and particularly relates to a portable building calibrator which comprises a shell, an edge plate is arranged on one side of the shell, a top plate is fixedly arranged on the side, close to the edge plate, of the shell, a bottom plate is fixedly arranged on the side, away from the edge plate, of the shell, and a horizontal measuring mechanism used for measuring whether the shell is placed horizontally is arranged in the top plate. A vertical measuring mechanism for measuring the perpendicularity of the wall is arranged on the horizontal measuring mechanism and in the bottom plate, a horizontal adjusting mechanism for adjusting the levelness of the shell is arranged on the edge plate of the shell, and the outer side face, close to the edge plate side, of the shell is concave, so that the shell can be attached to the wall more easily. A controller for controlling the vertical measuring mechanism is embedded in the edge plate side, away from the shell, of the top plate, when the conical electromagnet is fixed by the vertical measuring sliding block, the vertical standard groove rotates by a certain angle, the inclination angle of the wall body can be visually observed through the reading on the indicating dial, and the inclination degree of the wall body can be adjusted in time.
Owner:常文雅
Steel box girder bending performance detection device for road and bridge construction
PendingCN113740177ABent knowAvoid impact detectionMaterial strength using steady bending forcesBridge materialsArchitectural engineeringStructural engineering
The invention relates to a steel box girder bending performance detection device for road and bridge construction. The detection device comprises connecting seats, a rack, a starting switch, a reset switch, a telescopic assembly and a pressure test assembly, the connecting seats are fixedly connected to the two outer sides of the rack, the telescopic assembly is mounted at one inner side in the rack, and the pressure test assembly is mounted between the outer side of the rack and the telescopic assembly. The steel box girder is placed in the rack, the starting switch is pressed, and the starting switch sends out a signal; the control module controls the pressure test assembly to operate for two seconds after receiving the signal and then controls the telescopic assembly to operate, the telescopic assembly operates to drive the pressure test assembly to move downwards to make contact with the steel box girder, and the pressure test assembly is used for carrying out bending detection on the steel box girder, so that the bending of the steel box girder can be detected, and the unqualified steel box girders are avoided.
Owner:中电建路桥集团有限公司
System for continuously measuring permeability of sintered mixture and measuring method thereof
PendingCN111929222AAir permeability continuous testingSimple structurePermeability/surface area analysisMeasuring instrumentEngineering
The invention discloses a system for continuously measuring the permeability of a sintered mixture and a measuring method thereof, which belong to the technical field of metallurgical sintering. The system comprises an ore tank, a distributing device and a sintering machine, a detection unit is arranged at the head of the sintering machine, the detection unit comprises an air blower, a main pipe and branch pipes, one end of the main pipe is communicated with the air blower, the other end of the main pipe is communicated with the two branch pipes, the two branch pipes are arranged along the vertical direction, one end of each branch pipe is inserted into the mixture, and a gas pressure measuring instrument is arranged in each branch pipe. The detection unit is arranged at the head of the sintering machine, the gas pressure measuring instruments installed in the branch pipes of the detection unit are used for measuring the pressure in the corresponding pipelines, the permeability of thedetected mixture is finally obtained, the whole system is simple in structure and convenient to operate, and continuous detection of the permeability of the mixture can be achieved.
Owner:MAANSHAN IRON & STEEL CO LTD
Pressure sensor based on heterogeneous optical fibers
InactiveCN113916421AImprove transmission qualityClosely connectedForce measurement by measuring optical property variationLaser transmitterEngineering
The invention discloses a pressure sensor based on heterogeneous optical fibers. According to the technical scheme, the pressure sensor comprises a pulse laser transmitter, one side of the pulse laser transmitter being electrically connected with an optical fiber cable, a detection box being arranged on one side of the pulse laser transmitter, and an instrument groove being formed in the detection box; an optical fiber pressure sensor, fixedly mounted in the instrument groove; when in use, the heterogeneous optical fiber cable core and the optical fiber cable are electrically connected together, the movable ring can be pulled out from the interior of the connecting groove, the upper sliding block and the lower limiting block are extruded to be close to each other, and the inner arc surfaces of the upper sliding block and the lower limiting block can be attached to the optical fiber cable. And then the bolts are in threaded connection with the threaded grooves, so that the heterogeneous optical fiber cable core and the optical fiber cable are tightly and electrically connected together, and detection errors caused by received optical signal data emitted by the pulse laser emitter are avoided, thereby achieving the effect of improving the detection accuracy.
Owner:IANGSU COLLEGE OF ENG & TECH
Mechanical fault efficient diagnosis and detection device
InactiveCN108489721AEasy to move the deviceAvoid impact detectionMachine part testingData transmissionEngineering
The invention discloses a mechanical fault high-efficiency diagnosis and detection device which comprises guide wheels, a box body, a heater, an infrared detector, a fixing clip, an LED lamp, a camera, temperature sensors and an ultrasonic detector. The bottom surface of the box body is provided with the guide wheels, the inner wall of the box body is provided with the heater, the inner wall of the box body is also provided with the infrared detector and the ultrasonic detector. The top end of the box body is provided with an elastic rope which is provided with the fixing clip. The box body isinternally provided with a data transmission line which is provided with multiple sets of temperature sensors, and the surfaces of the temperature sensors are provided with suction cups. The top endof the box body is provided with a medicine adding tube which is provided with a scale. The box body is internally provided with a rotating wheel which is provided with blades, the outer ends of the blades are provided with brushes, and the top end inner wall of the box body is provided with the LED lamp and the camera. Multiple sets of different data are obtained and compared, mechanical failuresare accurately diagnosed, the structure is simple, the operation is convenient, and the promotion is facilitated.
Owner:张翼鹏
Method and device for estimating carrier frequency offset
ActiveCN103988475BFix CFO estimation performance degradationFix Estimation Performance DropMulti-frequency code systemsCarrier frequency offsetEngineering
The invention discloses a method for estimating carrier frequency spectrum (CFO). The method includes: according to different frame timings and CP modes, respectively performing autocorrelation estimation and accumulation on non-service downlink signals in received downlink subframes; comparing The modulus of the cumulative result obtained, and the cumulative result with a large modulus is selected for CFO estimation. According to the characteristics of the LTE system, the present invention uses the non-service downlink signal in the downlink subframe to perform CFO estimation, which can solve the problem of CFO estimation performance degradation when there is no downlink service scheduling, and can avoid affecting subsequent SSS detection.
Owner:SANECHIPS TECH CO LTD
Chitosan oligosaccharide detection device with metal detection function
InactiveCN114487313AGuaranteed accuracyReduce manual operationsTesting foodElectric/magnetic detectionEngineeringBilateral symmetry
The invention relates to a detection device, in particular to a chitosan oligosaccharide detection device with a metal detection function. The invention provides the chitosan oligosaccharide detection device with the metal detection function, which replaces manual work, realizes automatic and accurate detection and ensures quality and efficiency. A chitosan oligosaccharide detection device with a metal detection function comprises a base, and guide seats are arranged on the front side of the top of the base in a bilateral symmetry mode; the sliding frame is connected between the guide seats in a sliding manner; and three metal detection sensors used for detecting whether the metal exceeds the standard are arranged at the top in the sliding frame. The first belt rotates to convey the powder, and meanwhile, the metal detection sensor moves left and right to detect the powder repeatedly, so that manual operation is reduced, and the accuracy of a detection result is ensured.
Owner:山东卫康生物医药科技有限公司
Sealing glue seat with negative-pressure supporting platform and manufacturing method thereof
ActiveCN108730519AAchieve double-layer sealing effectReduce deformationEngine sealsMaterial analysisEngineeringMechanical engineering
The invention discloses a sealing glue seat with a negative-pressure supporting platform. The sealing glue seat comprises a glue seat body, openings are formed in the upper and lower ends of the glueseat, wherein the opening formed in the upper end is larger than the opening formed in the lower end; the lower opening of the glue seat is gradually-changed hopper-shaped with a large lower part anda small upper part; the upper portion of a negative-pressure suction pipe is arranged as a hopper-shaped outer cover which is matched with the outer wall of the bottom of the glue seat; upper and lower bosses are arranged on the outer surface of the upper portion of the glue seat; clamping grooves used for pressing the glue seat tightly are formed in the upper and lower bosses at certain distance;positioning steps are arranged at the lower portion of the lower boss; sealing steps are arranged on the upper portion of the inner wall of the glue seat, and connecting steps are arranged at the lower portions of the sealing steps at intervals. The invention aims at providing the sealing glue seat with the negative-pressure supporting platform to achieve the accurate and safe placement of batchspecimens on the working level of automated equipment to prevent poor sealing and liquid leaking and overflowing. The invention further provides a manufacturing method of the sealing glue seat with the negative-pressure supporting platform, clearances are cleared, and mutual contamination of dyeing liquor is prevented.
Owner:HUNAN TECH NEW MEDICAL SYST
An integrated self-cleaning water ecological environment IoT monitoring terminal and monitoring method
ActiveCN113092700BAvoid impact detectionGuaranteed normal operationWithdrawing sample devicesTesting waterEnvironmental resource managementEcological environment
Owner:深圳市鸿泽意实业有限公司
A Multi-frame Synchronization Method Based on Orthogonal Frequency Division Multiplexing Technology Based on IEEE802.11 Protocol
ActiveCN106685879BAvoid ups and downsAvoid impact detectionMulti-frequency code systemsEffective solutionMultiple frame
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Double-station electrical test device
ActiveCN109932636AImprove detection efficiencyAvoid impact detectionElectronic circuit testingElectricityEngineering
The invention relates to a double-station electrical test device, belonging to the technical field of electrical performance test of a semiconductor device. The double-station electrical test device comprises a workbench, an upper detecting plate and a lower detecting plate, wherein a lower detecting table is movably arranged on the workbench; the workbench is provided with at least three groups of conveying assemblies for conveying PCBs; the multiple groups of conveying assemblies are divided to three parts and are equidistantly disposed on the workbench; and the workbench is further providedwith a limiting piece for limiting the PCB right above the lower detecting table. In use, two to-be-detected PCBs are taken to be placed between guiding rods side by side, when the PCB moves right above the lower detecting plate, the limiting piece limits the PCB, the PCB remains at a required position, a first cylinder then drives the lower detecting table to rise to detect the PCB, and thus, two PCBs can be detected at one time, and the effect of improving the detection efficiency can be achieved.
Owner:信泰电子(西安)有限公司
Method for adsorbing tuberculosis bacilli by macroporous resin
ActiveCN110129241AImprove adsorption capacityImprove accuracyBioreactor/fermenter combinationsBiological substance pretreatmentsHydrothoraxMacroporous resin
The invention discloses a method for adsorbing tuberculosis bacilli by macroporous resin, wherein the method comprises the following steps: (1) treating macroporous resin with a pretreatment device, removing dust on the surface of the macroporous resin, and making the surface of macroporous resin clean and dry; (2) adding 10 ml of a bacterial liquid containing tuberculosis bacilli such as urine and hydrothorax into a beaker, then adding the macroporous resin treated in the step (1) to the beaker, fully mixing evenly and carrying out static adsorption for 24 h; and (3) after full adsorption, draining the adsorbed bacterial liquid with a water outlet of the beaker, fully draining the bacterial liquid, then closing the water outlet of the beaker, adding an eluate to the beaker, mixing the macroporous resin with the eluate evenly and fully, draining the eluate, and detecting the content of tuberculosis bacilli in the eluate. A centrifugal precipitation method in the prior art is preventedfrom using, the macroporous resin is used for enriching tuberculosis bacilli in clinical specimens such as hydrothorax and urine, and the accuracy of clinical detection is further improved.
Owner:YICHUN UNIVERSITY
A test device for measuring the subsidence of saline soil
ActiveCN110618254BImprove accuracyAvoid impact detectionEarth material testingSoil scienceMeasurement test
Owner:THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GRP +2
Bearing surface defect detection device
InactiveCN114769139ASmooth and fast inspection processImprove inspection efficiencyUsing mechanical meansSortingFixed bearingStructural engineering
The invention relates to a bearing surface defect detection device which comprises an inspection unit, a conveying unit and a screening unit, the conveying unit and the screening unit are arranged on the two sides of the inspection unit respectively, a bearing reaches the inspection unit through the conveying unit, and the bearing is distinguished and conveyed through the screening unit after inspection of the inspection unit is completed. The inspection unit comprises an expansion fixing shaft and a bearing surface detection component, and the conveying unit and the screening unit are arranged on the two sides of the inspection unit respectively, so that the inspection process of the bearing can be smoother and faster, and the inspection efficiency of the bearing can be effectively improved; the expansion fixing shaft is a part used for fixing the bearing in the inspection unit and fixes the bearing, so that the outer surface of the bearing is prevented from being in contact with other supports to influence the detection, the two side surfaces of the bearing are suspended, and the bearing can be conveniently detected by a bearing surface detection mechanism.
Owner:QUZHOU COLLEGE OF TECH
Multi-injection glue head automatic weighing calibration device and calibration method
ActiveCN113414070BAvoid cloggingEasy to detectLiquid surface applicatorsSpraying apparatusMultiple injectionEngineering
The invention discloses an automatic weighing and calibrating device for multiple glue injection heads, comprising: a weighing device, which is arranged on one side of the glue injection head; a glue cleaning mechanism, which is arranged on the glue injection head and the weighing device In between, there is a glue clearing component on the glue clearing mechanism, which can be close to or away from the glue injection head to remove the residual glue on the glue injection head. The glue clearing component is provided with multiple weighing weights on the side facing the weighing device Cup, the weighing cup corresponds to the injection head; the three-dimensional motion mechanism, the three-dimensional motion mechanism is set above the weighing device; the grabbing mechanism, the grabbing mechanism is set on the three-dimensional motion mechanism, and the three-dimensional motion mechanism drives the grabbing mechanism The glue-removing mechanism and the weighing device are active, so as to grab multiple weighing cups onto the weighing device in sequence. The invention also discloses a calibration method of an automatic weighing calibration device for multiple injection glue heads. The invention has a simple structure, can simultaneously process residual glue and calibrate the amount of glue injected on a plurality of glue injection heads, and improves the calibration efficiency.
Owner:CHANGZHOU MINGSEAL ROBOT TECH CO LTD
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