31 results about "Setting time" patented technology

The invention discloses a full-automatic cement setting time determinator and a determination method thereof, and belongs to the technical field of cement setting time determination. The determinator comprises a constant temperature and humidity chamber and an electric cabinet, an initial setting time determination device and a final setting time determination device are respectively arranged in the constant temperature and humidity chamber, the electric cabinet is arranged on the constant temperature and humidity chamber, a controller is arranged in the electric cabinet, a touch screen is arranged on an opening in the side wall of the electric cabinet, and the touch screen is connected with the controller. And the controller is electrically connected with the constant temperature and humidity chamber and the touch screen. All the two test molds filled with cement paste can be simultaneously put into the constant-temperature and constant-humidity chamber for curing, so that the whole cement setting time measuring period is remarkably shortened, the measuring efficiency is improved, and full-automatic cement setting time measuring is really realized; the test mold and the to-be-tested piece on the inner side of the test mold do not need to be overturned in the testing process, so that the whole testing process is safely and smoothly carried out; the whole cement setting time determination process is simple, the determination period is short, and the determination efficiency is high.

The application discloses an intelligent determination device and method for cement-based material setting time, which comprises a sample container for bearing cement-based material, a test needle rotating disc arranged above the sample container, a first driving motor connected with the test needle rotating disc, an electric lifting rod eccentrically arranged on the test needle rotating disc, a test needle installed at the end of the electric lifting rod and pressed down along with the elongation of the electric lifting rod, a test needle pressure sensor arranged on the test needle and used for detecting the pressure borne by the test needle when the test needle is inserted into the cement-based material, an intelligent control terminal with an input end connected with the output end of the test needle pressure sensor and a first output end connected with the first driving motor.

The utility model belongs to cement and concrete setting time determination equipment technical field, concretely relates to a kind of admixture water-reducing agent concrete setting time determination device arrangement structure. Through the reasonable arrangement of device base, device shell, maintenance room, detection room, quick needle-changing type vicat apparatus and constant-temperature circulating water system, overall structure is compact, and function integration is high, can save floor space, and effectively improve the measurement efficiency and the accuracy of measurement result of admixture water-reducing agent concrete;By setting base leveling bolt cooperation level meter, the horizontal state of device can be quickly adjusted, to adapt to various complex terrain, and meet the verticality requirement of the measurement process of vicat apparatus measuring needle, and by the cooperation of detection room inner limiting rod and the circular limiting slot on sample barrel, the stability of measurement process and the consistency of measurement point position can be ensured;The overall structure of the device of the utility model is reasonably designed, easy to operate, easy to manufacture and maintain, with strong practicality and popularization value.

This product is a timer that measures time and displays the elapsed time and the time remaining until the set time. As shown in the reference front view, multiple buttons are provided for setting the time, allowing for quick and easy setting operations. Also, as shown in the reference diagram showing the stand in the open position, the product can be propped up by opening the stand located on the back.

The utility model discloses a concrete setting time detection device which comprises a sample cylinder, a detection base attached to the bottom of the sample cylinder, a stand column vertically connected to the surface of the detection base, the detection base located beside the stand column, a pressure displayer connected to the stand column, a fixing rod connected to the side wall of the stand column, and the fixing rod and the stand column are vertically arranged. The fixing rod is vertically connected with a hydraulic column, the hydraulic column and the stand column are arranged in parallel, the hydraulic column is connected with a probe conversion assembly, the probe conversion assembly is arranged close to the sample cylinder, the pressure display is electrically connected with the probe conversion assembly and the hydraulic column, and the problems that in the prior art, the time for manually replacing a probe is long and operation is not easy during detection are solved.

The application is a kind of automatic concrete setting time measuring device with mechanical hand, including machine body, test tube and electric control system installed on the front side of the machine body to control each electric accessory, the machine body upper side is installed with test tube rack for arranging multiple test tubes from right to left, multi-directional moving mechanical hand for grabbing test tube front and back, up and down, left and right displacement, cover opening mechanism for opening test tube cover, inclination water absorption mechanism for absorbing water inside test tube, rotating mechanism for placing opened test tube and lower needle mechanism above the rotating mechanism for inserting into test tube to measure concrete setting time, through automatic electric control system, concrete penetration force value is automatically measured within specified time interval, penetration resistance of sample is calculated, initial setting time and final setting time are obtained through time-penetration resistance curve, so as to realize the change from manual detection to automatic detection of setting time, greatly improving work efficiency and accuracy.

The present invention discloses a construction engineering detection system and method based on data analysis, which relates to the field of engineering detection technology. The system collects environmental data such as temperature, humidity, and air pressure at the construction site in real time through sensors, and forms a data set W after denoising and normalization processing, thereby ensuring the accuracy and availability of the data. The collection and efficient preprocessing of real-time environmental data enable environmental changes to be reflected in construction management in a timely manner, avoiding the negative impact on construction quality and progress caused by environmental fluctuations that are not detected in time. By eliminating data noise, the accuracy of data analysis is further improved. The system combines the physical and chemical properties of the material to establish a mathematical relationship model between material properties, including cement setting time Tcu and strength growth S, and environmental factors. It provides a more accurate prediction method than traditional experience, avoiding construction delays or quality problems caused by the failure to identify changes in material properties in advance.

1. Name of the product in this design: Timer (Little Green Bear). 2. Purpose of this product design: It is mainly used to set time intervals, and when the corresponding time arrives, the product will emit an sound to remind the user. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a Vicat instrument limiter for measuring cement setting time, which comprises an annular limiting piece connected to a sliding rod in a sliding mode, the limiting piece is located above a support, a threaded through hole is formed in one side of the limiting piece, and an adjusting bolt is connected into the threaded through hole in a threaded mode. Through the structure, the problem that a Vicat instrument test needle for measuring the cement setting time is prone to deformation is solved, the detection precision is ensured, the service life of the test needle is prolonged, and meanwhile the Vicat instrument test needle is simple in structure, low in cost and convenient to install and use.

The application discloses a cement quality detection method and system based on multi-modal feature data, and relates to the field of cement quality detection. The method comprises the following steps: collecting and preprocessing a cement sample, obtaining multi-modal data such as sulfur trioxide content, hydration heat release curve and potential hydration activity, denoising, smoothing, standardizing and extracting key features of the data, fusing to form a multi-modal feature vector, inputting the fused features into a multi-dimensional quality prediction model, accurately predicting multiple target indicators such as compressive strength, hydration rate, stability, setting time and durability, and generating a detailed quality detection report and providing real-time quality feedback according to the prediction result. The system comprises a sample processing module, a data preprocessing module, a quality prediction module and a quality management module, each module has a clear function and works efficiently. The method realizes accurate prediction based on multi-modal features and is suitable for intelligent detection and dynamic management of quality indicators of various cement products.

1. Name of the product in this design: Timer (Little Elf). 2. Purpose of this product design: It is mainly used to set time intervals, and when the corresponding time arrives, the product will emit an sound to remind the user. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a method for jointly determining cement initial setting time and final setting time by using multiple physical fields, and comprises the following steps: high-speed stirring cement paste according to a designed water-cement ratio, and recording the stirring completion time into a data acquisition and processing system; filling the stirred cement paste into a sample cavity of a holder; monitoring and collecting data of the cement paste in the sample cavity, and calculating acoustic impedance and aspect ratio; calculating temperature-corrected bulk resistivity according to the resistance value, and inverting equivalent porosity; generating T2 spectrum by using test data, and obtaining total hydrogen signal strength; identifying initial setting time and final setting time in a joint change spectrum by using the data acquisition and processing system, and outputting; and superimposing and analyzing multiple parameters according to a unified time axis, and determining the initial setting time and the final setting time by using parameter cooperation.

1. Name of the design product: full-automatic concrete setting time tester. 2. Use of the design product: the design product is used for testing the setting time of concrete. 3. Design points of the design product: the shape of the full-automatic concrete setting time tester. 4. Picture or photo best indicating the design points: perspective view.

This product is a timer that measures time and displays the elapsed time and the time remaining until the set time. As shown in the reference front view, multiple buttons are provided for setting the time, allowing for quick and easy setting operations. Also, as shown in the reference diagram showing the stand in the open position, the product can be propped up by opening the stand located on the back.

The invention discloses an online identification method for stopper nozzle blocking in the continuous casting process. The method comprises the steps that 100, the stopper argon back pressure measured value pi at each moment in a set time window tn in the continuous casting process is collected in real time; 200, on the basis of the stopper rod argon back pressure measured value pi at each moment, the range delta py of the maximum value and the minimum value of stopper rod argon back pressure in the time window tn is obtained; 300, the range delta py is compared with a set range first threshold value delta pmax1, and if delta py is larger than or equal to delta pmax1, primary early warning is output; and in the continuous casting process, the time window tn is moved, and the steps 100-300 are repeatedly executed till the casting process is finished. According to the online identification method for stopper rod water gap blocking in the continuous casting process, stopper rod head or water gap blocking can be predicted in advance, and accidents are avoided.

The application discloses a kind of detection device and detection method of foam concrete setting time, device includes the base for placing the test module, test module top opening, at least one side is detachable face, device further includes: support assembly, including longitudinal piece and cantilever piece, one end of cantilever piece is fixedly connected with longitudinal piece upper end, wherein longitudinal piece lower end is fixedly connected with base, longitudinal piece has height adjusting structure on it;Connecting piece, rotationally connects the other end of cantilever piece, the threaded hole is provided on the connecting piece, and the threaded hole is used to connect initial setting rod or final setting test box;Height adjusting structure upper side portion of longitudinal piece is installed with detachable limiting arm.The setting time of foam concrete prepared by chemical foaming method is tested by the device and method of the application, and the scientificity and accuracy are comprehensively improved.

The present application provides an automatic cement setting time detection device, comprising a housing, a curing module installed within the housing, a detection module, and a control module. The curing module comprises a curing box, a test mold, and a push mechanism. The detection module comprises a probe mechanism, a moving mechanism, and a flipping mechanism. The probe mechanism is used to detect the cement setting time in the test mold, the moving mechanism is used to move the probe mechanism, and the flipping mechanism is used to flip the test mold. The control module is used to control the operation of the turntable, the push mechanism, the moving mechanism, the probe mechanism, and the flipping mechanism. This device can automatically and accurately perform curing and initial and final setting time detection after the cement sample is prepared, saving manpower and improving the accuracy of the test results.

The application provides a deep mixing pile target depth determination method and a deep mixing pile construction method. The deep mixing pile target depth determination method comprises the following steps: in the process of driving the drill rod of the deep mixing pile machine, the real-time working current value I of the rotary power head of the deep mixing pile machine is acquired in real time; when the real-time working current value I meets the following conditions 1-condition 3 at the same time, it is determined that the target depth is reached: condition 1: the real-time working current value I is greater than the set standard current value I0; condition 2: the difference between the real-time working current value I and the no-load current I 空 is greater than the set difference value I 差 ; condition 3: the duration of conditions 1 and 2 is greater than the set time t0 at the same time. Through the setting of the three determination conditions, the target stratum can be accurately identified in the drilling process, the drill rod and the cement slurry are avoided from being wasted due to excessive drilling, and the engineering quality is avoided from being affected due to the identification depth being less than the target stratum.

The invention discloses a method for measuring initial setting time and final setting time of cement by multi-physical field combination, which comprises the following steps: stirring cement paste at a high speed according to a designed water-cement ratio, and recording the stirring completion time into a data acquisition and processing system; filling the stirred cement paste into a sample cavity of a clamping device; collecting monitoring data of the cement paste in the sample cavity, and calculating acoustic impedance and aspect ratio; calculating the volume resistivity after temperature correction according to the resistance value, and inverting the equivalent porosity; testing data to generate a T2 spectrum, and obtaining total hydrogen signal intensity; identifying and outputting initial setting time and final setting time in the combined change atlas through a data acquisition and processing system; multiple parameters are subjected to overlay analysis according to a unified time axis, and the initial setting time and the final setting time are cooperatively judged through the parameters.

1. Name of the product in this design: Graphical User Interface for Setting Time in Electronic Devices. 2. Purpose of this design: To display a graphical user interface. 3. The key design features of this product are the interface content in the graphical user interface. 4. Images or photos that best illustrate the design key points: Interface state change diagrams. 5. The rest of the design is standard, omitting the rear view, left view, right view, top view, and bottom view. 6. Purpose of the graphical user interface: A graphical user interface for setting the time on electronic devices. 7. Human-computer interaction method of graphical user interface: The main view is the central page for time settings; click the "Settings" button in the main view to enter the interface change state diagram; click "Time Settings" to see "Date", "Time", "Region" and "Automatic Time Synchronization" in the interface change state diagram to set the time.

This utility model belongs to the technical field of testing equipment, specifically a cement setting time testing device. Addressing the problem that existing devices lack measures to secure the material box, and the test needle may shift due to mold movement during descent, posing a safety hazard, the following solution is proposed: A base for holding the material box is included. A connecting rod is fixed to the top of the base, and a measuring component for testing is fixed to the top of the connecting rod. The measuring component includes a sliding frame, a scale plate, a pointer, a sliding rod, and a test needle. Four grooves are formed at the top of the base, each containing a clamping rod for centering the material box. A clamping assembly is provided within the base to drive the four clamping rods to clamp or release them. A worm gear transmission drives the four clamping rods to move synchronously, ensuring the material box is centered and fixed, preventing mold shift during testing, and improving testing accuracy.

The invention discloses a method and a system for monitoring interlayer combination quality of layered pouring and tamping of concrete. The method comprises the following steps: calculating a time interval of pouring of upper and lower adjacent layers of concrete, and a distribution point position and a distribution area of the next layer of concrete; evaluating the interlayer bonding quality according to the time interval, the material distribution point position and the material distribution area, and if it is judged that the next layer of concrete completely covers the upper layer of concrete according to the material distribution point position and the material distribution area and the time interval is not larger than the initial setting time of the next concrete, no cold seam is generated between the upper and lower adjacent layers of concrete, and the interlayer bonding quality is high. According to the method, the time information (the time interval of the upper and lower adjacent pouring layers) and the space information (the pouring position and the pouring area) of the pouring layers can be objectively and accurately monitored in real time, so that whether a cold seam is generated between the adjacent layers or not is accurately judged, and the interlayer bonding quality is evaluated.

The utility model provides a cement standard consistency and setting time determinator, and relates to the technical field of determination equipment, the cement standard consistency and setting time determinator comprises a base, a mounting rack, a determinator body, a glass bottom plate and a test mold, the glass bottom plate can be placed at the upper end of the base, the test mold can be placed at the upper end of the glass bottom plate, the mounting rack is fixedly arranged on the base, and the determinator body is fixedly arranged on the mounting rack. The tester body is arranged on the mounting frame and located above the test mold, two symmetrically-arranged first clamping assemblies and two symmetrically-arranged second clamping assemblies are arranged on the base, the first clamping assemblies and the second clamping assemblies are both used for clamping and fixing the glass bottom plate, and the tester body is located above the test mold. The base is further provided with two pressing and holding assemblies which are symmetrically arranged. The tester can be used for limiting and fixing the glass bottom plate and the test mold in the horizontal direction and the vertical direction, so that the glass bottom plate and the test mold are prevented from displacing during measurement, and the accuracy of a measurement result is ensured.

The application discloses a kind of test methods of the setting time of cement-based material with accelerator.The test method described in the application carries out capillary negative pressure test to the cement-based material with accelerator after forming using capillary negative pressure testing device, obtains capillary negative pressure value, obtains the capillary negative pressure growth rate value valley value result list by differential processing to test result, when the capillary negative pressure growth rate value reaches maximum valley value, corresponding acquisition time is the end point of hydration acceleration period, that is, the initial setting time of cement-based material with accelerator, and / or the capillary negative pressure growth rate value reaches the acquisition time of second major valley value corresponding, the start point of hydration induction period, that is, the final setting time of cement-based material with accelerator.The application embeds monitoring probe into cement-based material structure with accelerator, without screening coarse particles or damaging concrete structure when testing setting time.The application does not need to set threshold when testing setting time, and is simple to operate.

The invention relates to a method for detecting retention timeout of a positioned target, and the method specifically comprises the steps: 1, setting an initial coordinate of a circle center P as (0, 0); 2, the server receives the position information of the positioner to obtain the coordinates (X, Y) of the positioner; 3, judging whether the coordinate of the circle center P is (0, 0), if so, turning to 4, otherwise, turning to 5; 4, taking the coordinate (X, Y) as the coordinate of the circle center P, reading the current time, recording the current time as time T0, and turning to 2; 5, judging whether the distance between the coordinates (X, Y) and the circle center P is smaller than a set radius, if so, turning to 6, otherwise, turning to 4; 6, judging whether the time difference between the current time and the time T0 is greater than a set time difference, if so, turning to 7, otherwise, turning to 2; 7, the server outputs a positioning target retention timeout alarm signal to the application terminal, and then the step 2 is executed; the method is simple, convenient and rapid, and can detect the retention timeout of the positioning target in real time.

1. Name of the product in this design: Fully Automatic Cement Paste Vicat Apparatus. 2. Purpose of this design: To test the standard consistency and setting time of cement. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a tailing cementing material setting time prediction method and system, and relates to the technical field of tailing recycling, and comprises the following steps: obtaining a target parameter set, the target parameter set at least including target proportioning parameters and construction environment parameters, the target proportioning parameters at least including a water-binder ratio, a fly ash content and a lead-zinc tailing content, and the construction environment parameters including at least one of an environmental temperature and an environmental humidity; inputting the target parameter set into a setting time prediction model, the setting time prediction model being obtained by training based on a pre-constructed lead-zinc tailing cementing material orthogonal test data set; and outputting a setting time prediction result calculated by the setting time prediction model, the prediction result at least including a preliminary setting time prediction value and a final setting time prediction value. The application realizes high-precision and strong engineering applicability of rapid prediction of the setting time of the tailing cementing material by comprehensively considering material proportioning and construction environment parameters and by using a prediction model trained based on an orthogonal test.

The utility model relates to a cement setting time test mold cover plate, and aims to solve the problem that condensed water drops on a cement paste test body in a moisture curing process to influence the accuracy of setting time measurement. The cover plate comprises a main body plate, and a first assembling part and a second assembling part which are arranged on the front and back surfaces of the main body plate. The first assembly part is matched with the initial setting surface of the setting time test mold, and the second assembly part is matched with the final setting surface, so that the cover plate can effectively cover the test mold and shield condensate water in the maintenance process before initial setting and final setting measurement. The design of the cover plate ensures that a gap is reserved between the cover plate and the surface of the test body, and contact with the test body is avoided. The cement setting time test mold cover plate is simple in structure and convenient to use, can effectively improve the accuracy and efficiency of cement setting time measurement, and is suitable for the field of cement quality detection.

The invention discloses a construction control method and system based on concrete cold seam fine detection, and the method comprises the steps: collecting a concrete mixture loading moment of a transport vehicle, recording a time interval with next concrete mixture pouring in real time, precisely calculating the initial setting time of a concrete mixture, and judging whether a cold seam is generated or not; meanwhile, the falling center coordinate and the pouring flow during pouring of the concrete mixture are collected, the space information of the concrete mixture is calculated according to the falling center coordinate and the pouring flow, and the area where the cold joints possibly occur can be accurately positioned. The concrete pouring time of each position can be finely controlled, cold joints of a mixture are prevented from being formed, and the construction quality and efficiency are improved.

The invention discloses a cement quality detection method and system based on multi-modal characteristic data, and relates to the field of cement quality detection.The method comprises the steps that a cement sample is collected and pretreated, and multi-modal data such as sulfur trioxide content, a hydration heat release curve and potential hydration activity are obtained; carrying out denoising, smoothing, standardization and key feature extraction on the data, and fusing to form a multi-modal feature vector; inputting the fusion features into a multi-dimensional quality prediction model, and accurately predicting a plurality of target indexes such as compressive strength, hydration rate, stability, setting time and durability; and generating a detailed quality detection report according to a prediction result and providing real-time quality feedback. The system comprises a sample processing module, a data preprocessing module, a quality prediction module and a quality management module which are clear in function and work cooperatively and efficiently. According to the method, accurate prediction is realized based on multi-modal features, and the method is suitable for intelligent detection and dynamic management of quality indexes of various cement products.