50 results about "Setting time" patented technology

The utility model discloses a cement setting time and consistency measuring device, and relates to the technical field of cement paste detection, a rotating table is arranged on a base, a test mold is arranged at the top of the rotating table, a supporting rod is vertically arranged on one side of the rotating table, an automatic measuring instrument is arranged right above the test mold, and the automatic measuring instrument is connected to the supporting rod through a fixing rod; a sliding rod is arranged in the middle of the automatic tester, a test needle is connected to the bottom end of the sliding rod, the infrared camera is arranged on one side of the automatic tester, and a cleaning mechanism is further arranged on the base and comprises a flushing assembly and a wiping assembly. The device can be used for measuring the consistency and the setting time of the cement mortar, repeated operation is not needed, great convenience is brought to measurement, the influence caused by human factors is reduced through automatic measurement and data recording, the result is more accurate and reliable, and the measurement accuracy is high. Meanwhile, an infrared camera is arranged for assisting in judging whether the cement sample reaches an initial setting state or not, so that the measurement error is reduced.

The invention relates to the technical field of cement determination, in particular to a full-automatic cement setting time determinator which comprises an environmental box, a box cover is arranged on the top of the environmental box, a test piece positioning system is arranged on a bottom plate of the environmental box, a determination system is fixedly connected to a box body, a humidifier is communicated with a side plate of the environmental box, and the upper portion of the box cover is communicated with a temperature control module. The test piece positioning system is provided with a rotating disc, a plurality of test molds are arranged in the circumferential direction of the rotating disc, each test mold is fixed through two test mold frames, one end of one test mold frame penetrates through the rotating support, one end of the other test mold frame is sleeved with a spring, and the test mold frames can rotate around the center axis of the reverse rotating shaft; and the initial coagulation needle and the final coagulation needle are fixedly connected to the orientation module. Through cooperative operation of the environment box, the test piece positioning system and the measuring system, full-process automation of cement setting time measuring is achieved, manual intervention errors are avoided, and the measuring precision and the measuring accuracy are remarkably improved.

The invention provides an automatic cement setting time detection device. The automatic cement setting time detection device comprises a box body, and a maintenance module, a detection module and a control module which are mounted in the box body, the curing module comprises a curing box, a test mold and a pushing mechanism; the detection module comprises a probe mechanism, a moving mechanism and an overturning mechanism, the probe mechanism is used for detecting the cement setting time in the test mold, the moving mechanism is used for moving the probe mechanism, and the overturning mechanism is used for overturning the test mold; and the control module is used for controlling the operation of the turntable, the pushing mechanism, the moving mechanism, the probe mechanism and the turnover mechanism. The device can automatically and accurately carry out maintenance and initial setting and final setting time detection after a cement sample is manufactured, manpower is saved, and the precision of a detection result is improved.

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 invention provides nano calcium silicate hydrate with adjustable setting time as well as a preparation method and application thereof, and the nano calcium silicate hydrate comprises the following components in parts by weight: 10-40 parts of a calcium source, 0.5-3 parts of a zinc source, 10-30 parts of a silicon source, 5-15 parts of a polycarboxylic acid water reducer, 0.5-2 parts of a stabilizer and 100-400 parts of water. According to the nano calcium silicate hydrate capable of adjusting the setting time, zinc ions are introduced into a system, the setting time of concrete can be adjusted in order according to actual engineering requirements by adjusting the zinc-silicon ratio, higher adaptability is shown, the early strength of a cement-based material can be improved, and the setting time of the concrete can be adjusted according to the actual engineering requirements. The setting time of the concrete is regulated and controlled, and different engineering requirements are met. The product is high in stability, easy to store, suitable for various cement-based materials, easy in raw material obtaining, simple in production process, capable of remarkably reducing the production cost, suitable for large-scale popularization and industrial production, remarkable in environmental benefit and economic value, and has positive significance in promoting sustainable development of the building industry.

The utility model discloses a cement setting time detection device, which relates to the technical field of cement setting detection, and comprises a support mechanism, a shaking mechanism is fixedly connected onto the support mechanism, a detection mechanism is arranged on the support mechanism, the detection mechanism is positioned above the shaking mechanism, the shaking mechanism comprises a driving motor and a moving plate, the output end of the driving motor is fixedly connected with a rotating disc, and the upper surface of the rotating disc is fixedly connected with a T-shaped connecting rod. The driving motor operates to drive the rotating disc to rotate, the T-shaped connecting rod rotates around the circle center of the rotating disc, the T-shaped connecting rod drives the moving plate to move left and right through the sliding groove when moving, the connecting plate synchronously moves along with the moving plate, and therefore the cement box is driven to shake left and right, and the two ends of the cement box move in the limiting rings; the stability of the cement box during shaking is ensured, so that cement in the cement box is distributed more uniformly, and the detection accuracy is improved.

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 utility model provides a cement setting time testing device which comprises a protective gasket, a testing sliding rod and a main body part, a limiting table is arranged on the main body part, a sliding hole is vertically formed in the limiting table, and a bottom plate is arranged at the bottom of the main body part; the test sliding rod is in sliding fit in the sliding hole of the main body part, an initial setting test needle is mounted at the bottom of the test sliding rod, and a limiting ring with the diameter larger than that of the sliding hole is further arranged on the test sliding rod; the protection gasket is located at the top of the limiting table, and when the test sliding rod falls, the protection gasket underlays the limiting ring. According to the cement setting time testing device provided by the invention, the protective gasket is arranged on the limiting table of the main body part, so that the initial setting test needle is prevented from directly impacting the bottom plate in the testing process, the bending deformation or damage of the initial setting test needle is effectively prevented, and the service life of the initial setting test needle is greatly prolonged.

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.

The invention discloses a built-in concrete setting time measuring instrument and a measuring method. The built-in concrete setting time measuring instrument comprises a first shell and a second shell which are fixedly connected, a plurality of sieve holes are formed in the surface of a non-bottom plate of the first shell, and a measuring bar module is arranged in the second shell. Mortar in concrete can enter the first shell through the sieve holes, and a measuring bar in the measuring bar module extends into the first shell under the action of the touch module and the constant force output module. According to the measuring instrument, in-situ detection of the setting time of the mass concrete can be achieved, errors caused by the difference between the standard detection temperature and the internal temperature of the mass concrete in a traditional sampling test are avoided, and the accuracy of determining the setting time of the mass concrete is improved.

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: Timer (Visible Time). 2. Use of the Design Product: For timing and setting time. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph Best Showing the Design Key Points: 3D View 1 of Design 1. 5. Design 1 is designated as the basic design.

The invention belongs to the technical field of cement detection, and discloses a detection device capable of regularly monitoring cement setting time and a monitoring method thereof, and the detection device comprises a test box, a setting time cylinder and a test controller; a turntable with horizontal rotational freedom is arranged at the bottom of an inner cavity of the test box and is connected with a rotary power source, and the coagulation time cylinder is borne by the turntable; a first manipulator, a second manipulator and an ultrasonic cleaning box are mounted on the side wall of the test box; a test mechanism is mounted at the execution tail end of the first manipulator. Wherein the detection device can realize automatic detection of cement, the automation degree is high, the detection result deviation caused by manual nonstandard detection operation can be avoided, and the turntable can rotate according to a test interval to ensure that different samples are conveyed to a test position, so that the samples are measured in sequence, and the workload of detection personnel is reduced.

1. Name of the Design Product: Timer (Red, Yellow, Green Audio-Visual Enlightenment). 2. Use of the Design Product: For timing and setting time. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View 1. 5. The bottom surface of the Design Product is a part that is not easily seen or not seen during use, and the bottom view is omitted.

The invention discloses a construction engineering detection system and method based on data analysis, and relates to the technical field of engineering detection, the system collects environmental data such as temperature, humidity, air pressure and the like of a construction site in real time through a sensor, a data set W is formed after denoising and normalization processing, and the accuracy and availability of the data are ensured. Through real-time environment data collection and efficient preprocessing, environment changes can be reflected to construction management in time, and negative effects on construction quality and progress due to the fact that environment fluctuations are not perceived in time are avoided. And data noise is eliminated, so that the accuracy of data analysis is further improved. The system is combined with physical and chemical characteristics of materials, and a mathematical relationship model between material performance including cement setting time Tcu and strength increase S and environmental factors is established. A prediction method which is more accurate than traditional experience is provided, and the construction delay or quality problem caused by the fact that material performance changes cannot be recognized in advance is avoided.

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 invention belongs to the field of cement oxide detection, and particularly relates to a detection method for determining the content of cement oxide by atomic emission spectrometry, and the detection method comprises the following specific steps: S1, sample treatment: pretreating a cement sample to increase the surface area of the cement sample so as to improve the analysis sensitivity; s2, excitation source selection: selecting proper excitation sources according to different analysis methods, sample characteristics, detection sensitivity and resolution requirements, wherein the selectable excitation sources comprise a flame light source, an electric spark light source and an inductively coupled plasma light source; the method for detecting the content of the oxide in the cement by adopting the atomic emission spectrometry can effectively solve the problems that the content of the oxide does not meet the standard requirement, the strength of the cement is possibly insufficient, the structural safety of a building is influenced, the content of the oxide in the cement also influences the setting time of the cement, and if the content of the oxide is not appropriate, the cement cannot be cured. And the problem that the setting time of the cement is too long or too short is solved.

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.

A device for measuring the setting time of a cementing material comprises a base, a cross beam is arranged above the base, a limiting ring is arranged in the middle of the cross beam, a penetration rod penetrates through the limiting ring, a limiting tenon is arranged on the penetration rod, a sliding groove matched with the limiting tenon is formed in the side wall of the limiting ring, and the sliding groove penetrates through the limiting ring; a hemispherical impact head is arranged at the lower end of the penetration rod, a pattern box is arranged below the hemispherical impact head, and a balancing weight is further arranged on the penetration rod. According to the cementing material setting time measuring device provided by the utility model, the hemispherical impact head directly acts on the surface of the cementing material sample, so that the influence of aggregate particles on the measuring head can be obviously reduced; the force applied to the measuring head is the vertical force of the surface of the cementing material, and the friction force of a sample on the surface of the measuring head is avoided, so that the measurement result can more accurately and reasonably describe the coagulation time of the cementing material; the method for measuring the diameter of the round pit on the surface of the cementing material sample is more visual and accurate.