Patents
Literature
10results about How to "Avoid random errors" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
An automatic brookfield viscosity detection device for water-based colorant paste production
PendingCN122505764AMeet viscosity testing needsGuaranteed synchronous rotation
The application discloses an automatic Blaine viscosity detection device for water-based color paste production, comprising a Blaine viscosity detection controller, and relates to the technical field of water-based color paste detection. The automatic Blaine viscosity detection device for water-based color paste production can stably realize double-mode free switching of multi-sample synchronous detection and single-sample multi-point detection, comprehensively improves detection efficiency and data reliability, and is equipped with a detection frame mechanism and three independent torque sensors, can simultaneously detect three kinds of water-based color paste in parallel, shortens batch detection time, can realize three-point synchronous detection in the same sample cylinder, effectively avoids random errors caused by single-point detection, and can guarantee synchronous rotation of three rotors, stably and efficiently transmits power, and can fully meet the diversified viscosity detection requirements in water-based color paste production.
Owner:SINCOL CORP LTD
Automatic elevator guide rail clamping and positioning device and method based on laser lofting
PendingCN121974228AHigh positioning accuracyImprove construction efficiencyElevatorsMine liftsInformation controlClassical mechanics
The invention provides an elevator guide rail automatic clamping and positioning device and method based on laser lofting, and relates to the technical field of special equipment. The automatic clamping and positioning device for the elevator guide rail comprises a rail clamping and positioning mechanism. The laser receiving target plate and the camera device are connected with the rail clamping and positioning mechanism, and the laser receiving target plate comprises a reference target point located in the center of the laser receiving target plate and is used for receiving rail laser sample line light beams from the top of an elevator shaft to form sample points; the camera device is used for forming positioning information from image information containing the sampling point and the reference target point in real time; and the controller is respectively in communication connection with the camera device and the track clamping and positioning mechanism, and is used for controlling the track clamping and positioning mechanism to move according to the positioning information, so that the sampling point coincides with the reference target point.
Owner:DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND +2
A stylus testing mechanism
The utility model discloses a kind of stylus test mechanism, including front and rear movement module, angle swing module and fixed base, the front and rear movement module and angle swing module connection, the front and rear movement module includes front and rear movement drive mechanism, gear and rack, the front and rear movement drive mechanism is connected with gear, drive gear rotation, the gear is engaged with rack, the rack is fixedly connected with angle swing module, the angle swing module is fixedly connected with fixed base, the fixed base is equipped with the fixture for clamping stylus. The utility model is through the structure design of pertinence, effectively solved the core pain point that traditional stylus test device can only be tested vertically, angle single, test scene is limited, in test flexibility, precision reliability and test efficiency three big dimensions realization significant promotion.
Owner:HUIZHOU AOHAI INTELLIGENT EQUIPMENT CO LTD
A method for evaluating the decimation and error correction of a pulse waveform measurement system
The application discloses a kind of extraction and error correction methods for evaluating the sampling rate of pulse waveform measurement system, to sample rate f0 The output waveform of detector is sampled, and high sampling rate original waveform is obtained;According to the target sampling rate set, select multiple extraction ratios, based on different starting points, perform multiple sets of extraction operations with the same ratio on the original waveform, and expand to obtain multiple sets of waveforms with uniformly distributed sampling phases;According to the application scenario, select and calculate the evaluation parameter σ;According to the amplitude distribution estimation error caused by the correlation between waveforms during the extraction process, introduce the correction factor p To modify the evaluation parameter;The contribution ratio of the error caused by the correlation between waveforms to the evaluation parameter is further modified to the evaluation parameter σ, to realize the accurate evaluation of waveform measurement system.The method can greatly reduce the research and development cost and cycle of multi-channel readout electronics, and the uniform sampling phase can effectively avoid random error.
Owner:UNIV OF SCI & TECH OF CHINA
Cigarette suction resistance detection device
ActiveCN224682047UHigh detection throughputAchieve positioningElectric machineryElectrical and Electronics engineering
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD
A laser calibration method and apparatus
The application discloses a laser calibration method and device, which is applied to the technical field of laser processing and comprises the following steps: projecting a laser beam on a calibration plate according to a preset circular array calibration pattern through an electric laser galvanometer unit, so as to generate a calibration pattern on the calibration plate and record a galvanometer coordinate set corresponding to each feature point in the calibration pattern; collecting the calibration pattern generated on the calibration plate to obtain a calibration image; processing the calibration image to extract an image coordinate set corresponding to each feature point in the calibration image; constructing a transformation matrix between the galvanometer coordinate set and the image coordinate set; and converting the coordinates in the galvanometer coordinate system into corresponding coordinates in the image coordinate system based on the transformation matrix, so as to complete laser calibration. The application solves the transformation matrix by acquiring the calibration pattern and extracting the center feature point, and the calibration of the galvanometer and the image coordinate system can be completed without the aid of external standard calibration equipment, so that the operation process is effectively simplified and the hardware cost is reduced.
Owner:ANHUI RUISHIDAHUI DIGITAL INTELLIGENT LIGHT TECH CO LTD
Collision-free construction method for stiff concrete structure based on BIM (Building Information Modeling)
PendingCN121959682ARealize intelligent identificationAvoid hidden conflicts and omissionsGeometric CADBuilding material handlingReinforced concreteCollision detection
The invention provides a BIM (Building Information Modeling)-based rigid concrete structure collision-free construction method, which relates to the technical field of rigid concrete construction and comprises the steps of BIM model construction, intelligent detection of collision points, open pore parameterization design, deepened drawing export, steel skeleton prefabrication processing, field installation and rechecking and the like. According to the invention, collision detection automation, trepanning design precision and construction process visualization can be realized, the rework rate is greatly reduced, and the construction quality and efficiency are guaranteed.
Owner:THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU
Floor tile laying auxiliary device for indoor decoration of high-rise building
ActiveCN224200226URealize mechanized sliding transportationReduce damage rateBuilding material handlingArchitectural engineeringStructural engineering
The utility model discloses a floor tile laying auxiliary device for high-rise building interior decoration, and relates to the technical field of interior decoration, the floor tile laying auxiliary device comprises a high-rise building floor tile positioning mechanism, the high-rise building floor tile positioning mechanism comprises a positioning frame, the bottom of the positioning frame is fixedly connected with a positioning block, and the top of the positioning frame is fixedly connected with a sliding rail. The positioning frame and the positioning block are combined to form a reference positioning structure, and the adjustable limiting design of the sliding rail and the limiting piece is matched, so that the floor tile alignment device can adapt to accurate alignment of floor tiles of complex house types and different sizes, random errors caused by manual wire pulling are avoided, the laying uniformity and gap uniformity are remarkably improved, the rework risk is reduced fundamentally, and the production efficiency is improved. The sliding mechanism is combined with the design of a suction cup and a sliding rail, mechanical sliding carrying of the floor tiles is achieved, bare-handed operation is replaced, and collision of corners of the floor tiles is reduced; the spring buffer structure effectively absorbs impact force in the carrying process, the damage rate of the floor tiles is reduced, meanwhile, the physical burden of constructors is relieved, and the floor tiles are more convenient to use.
Owner:SUNYOUNG CONSTR GROUP
A forming device for ceramic fiber blocks
The present application relates to the technical fields of ceramic fiber block processing, and discloses a forming device for ceramic fiber blocks, which comprises a base, a cutting structure, a moving unit, a pair of shaping structures and a clamping structure; the top end of the cutting structure is arranged at the middle of the left end of the base, the moving unit is fixedly arranged on the upper wall of the base and located at the right side of the cutting structure, the pair of shaping structures are symmetrically arranged on the moving unit, the shaping structures can move forward and backward, left and right and ascend and descend through the moving unit, and the clamping structure is fixedly arranged at the middle of the right end of the base; the device highly integrates the core processes of input guiding, fixed-length cutting, wave forming, fixed-quantity stacking and clamping shaping of the ceramic fiber blanket in the same equipment main body, realizes the continuous and integrated operation of the ceramic fiber block forming processing, and completely solves the problems of complicated processes and long flow caused by multi-station step-by-step operation and multiple material transfer in the prior art.
Owner:TAIXING HENGXIN SPECIAL REFRACTORIES CO LTD
Quenching equipment for bearing race machining and using method
PendingCN121951211AGuaranteed dimensional accuracyhigh hardnessFurnace typesIncreasing energy efficiencyTemperature controlControl system
The invention provides quenching equipment for bearing race machining and a using method, and relates to the technical field of heat treatment of bearing parts. A vibration disc automatic feeding unit, a visual dirt detection unit, an ultrasonic precise cleaning unit, a medium-frequency electromagnetic induction heating unit and an anti-deformation cooling unit are sequentially arranged on the rack in the process circulation direction; the rack is further provided with a PLC integrated control system and a rotary conveying plate. Visual dirt detection and ultrasonic precise cleaning are linked in the pretreatment stage, dirt detection, screening of unqualified workpieces and dead-corner-free cleaning of the workpieces are achieved, and impurity interference is completely eradicated; the medium-frequency induction heating forms closed-loop temperature control through a thermocouple and a PLC (Programmable Logic Controller), and the power is dynamically adjusted to ensure that a workpiece is uniformly heated; and in the cooling stage, a segmented mode of constant-temperature quenching oil spraying and temperature-controlled air drying is adopted, stress concentration is reduced, deformation and cracking are avoided, finally, the hardness, the abrasion resistance and the size precision of the bearing race are improved, the service life is prolonged, and the high-precision use requirement is met.
Owner:RIZHAO SHENGLI CASTING MACHINERY CO LTD