81results about "Viscometer maintainance" patented technology

The invention belongs to the related technical field of lubricating oil detection, and particularly discloses a vehicle lubricating oil testing device and a testing method.The vehicle lubricating oil testing device comprises a detection table, a detection computer and an X-axis sliding rail mechanism, and the X-axis sliding rail mechanism is erected above the detection table through installed supporting bases on the two sides of the upper end face of the detection table; a sliding seat is slidably installed outside the X-axis sliding rail mechanism, an L-shaped frame is fixedly connected to the outer side of the sliding seat, a hard pipe is connected to the upper portion of the interior of the L-shaped frame through an arranged lifting piece, and an oil scraping sealing cylinder is connected to the lower portion of the exterior of the hard pipe through a clamping shell fixedly connected in a sleeving mode. Efficient and accurate batch detection of the viscosity of the lubricating oil is achieved, the problems that traditional detection is low in efficiency, prone to pollution and poor in data reliability are solved, and the detection requirements of multiple types of lubricating oil are met.

The invention relates to the technical field of viscosity measurement, and discloses a verification system for a viscometer, comprising: a dynamic temperature compensation module for collecting temperature data inside and outside the viscometer in real time; the embedded controller is responsible for receiving the temperature data, executing a temperature compensation process and outputting a temperature compensation coefficient and an initial viscosity value; the multi-modal data fusion calibration module is used for receiving a temperature compensation coefficient provided by the multi-modal data fusion calibration module and data from a pressure sensor, a shear rate sensor and a vibration sensor, and carrying out joint modeling on the data by utilizing a weighted average method; the invention also discloses a verification method for the viscometer, which comprises the following steps: acquiring temperature data inside and outside the viscometer through the temperature sensor, and performing temperature compensation through the embedded controller. According to the invention, the multi-modal data fusion calibration module is introduced, and data from a plurality of sensors are integrated through a weighted average method, so that the optimized viscosity value is more comprehensive and reliable.

The invention relates to the technical field of detergent detection, and discloses a synthetic detergent production detection device which comprises a product conveying line and a detection table, the detection table is located on the left side of the product conveying line, an annular feeding piece is arranged at the top of the detection table, and a sample cup is placed at the top in the annular feeding piece; a driving shaft is rotatably connected to the detection table, a raised line I is fixedly mounted on the circumferential surface of the driving shaft, a shaft sleeve is slidably connected to the driving shaft and the raised line I, and a piston sampling piece is arranged between the top of the driving shaft and the top of the shaft sleeve; and a viscosity detection piece is arranged on the rear side of the top of the detection table. When the piston barrel deflects to the position over the product conveying line, the output end of the second air cylinder shrinks, so that the interior of the piston barrel is in a negative pressure state, and the detergent enters the piston barrel; after the piston barrel moves to the position over the sample cup, the output end of the second air cylinder extends, and the detergent in the piston barrel is extruded into the sample cup; therefore, the purpose of automatic sampling is achieved.

A filter device includes a housing including a columnar portion having a columnar shape and provided at a filter device including a filtration member that filters a liquid, a pressure difference detection unit provided at the housing and configured to detect a pressure difference between a pressure upstream of the filtration member and a pressure downstream thereof, a viscosity sensor configured to measure viscosity of the liquid, and a temperature sensor configured to measure a temperature of the liquid are included. A hollow portion is provided inside the columnar portion, both ends of the hollow portion being covered, the hollow portion is provided with the viscosity sensor and the temperature sensor, and a communication hole that allows the hollow portion and a space outside the housing to communicate with each other is provided in the housing.

An example device for selection of one or more masses among a plurality of masses arranged and removably fixed to a guide of a main frame of a test machine for determining material properties of a material during a test, the selected mass or masses allowing to push an effector for performing the test, the device comprising: a means for selecting at least one mass among said plurality of masses, comprising a means to determine which mass or masses are selected, said means to determine being configured to send a signal indicative of which mass or masses are selected to a computing unit for controlling a test process using the selected mass or masses.

The invention relates to the technical field of viscosity testers, and discloses a high-precision asphalt kinematic viscosity tester calibration device, which comprises a main body assembly, a tester and a protection frame, and the protection frame is arranged below the tester; the positioning assembly is arranged on the protection frame and comprises a positioning piece and a locking piece, the positioning assembly comprises a supporting frame, the supporting frame is located on the inner side of the protection frame, a supporting rod is movably connected in the protection frame, a supporting sleeve is fixed to one side of the supporting rod, a positioning rod is fixed in the supporting frame, and the positioning rod is movably connected with the interior of the supporting rod. The device has the beneficial effects that through the arrangement of the positioning assembly, the rotor can be positioned, the rotor can keep a stable inclination angle when entering the asphalt, and the rotor can be slowly restored to a vertical state after entering the asphalt, so that the condition that bubbles are generated in the asphalt is avoided, and when the rotor is moved out of the asphalt, the rotor is prevented from being damaged. And the rotor can be cleaned through the cleaning assembly.

The invention relates to the technical field of ethylene tar stabilizer detection, in particular to a viscosity detection device for an ethylene tar stabilizer, which comprises a frame body and a transparent plate fixedly connected to the frame body in a penetrating manner, a console is fixedly connected to the frame body, a mounting rack is rotatably connected to the frame body, and a capillary viscometer is fixedly connected to the mounting rack. A right air cylinder is started to drive a right hollow blocking block to move through a fixing plate to block an air inlet pipe, then a driving motor is started, the hollow blocking block carries out suction treatment on the interior of the air inlet pipe, and a cleaning agent continuously flows in a reciprocating mode to clean the interior of the capillary viscometer; meanwhile, the middle air cylinder and the left air cylinder are started in sequence to enable the rubber sleeve and the left hollow blocking block to block the capillary viscometer, so that a cleaning agent in the capillary viscometer can be automatically sucked to complete comprehensive cleaning, a person does not need to cooperate with an ear washing bulb for cleaning, the operation is convenient, and the working efficiency is improved. Therefore, the subsequent detection efficiency of the viscosity of the ethylene tar stabilizer is improved.

The invention relates to the technical field of blood coagulation detection, and provides a blood viscosity sensor and detection system based on dual-mode surface acoustic waves, the blood viscosity sensor at least comprises: a substrate base; the first interdigital transducer group is arranged on the substrate base, and the first interdigital transducer group comprises two first interdigital transducers which are arranged at an interval along a first direction; and the second interdigital transducer group is arranged on the substrate base, and the second interdigital transducer group at least comprises two second interdigital transducers which are arranged at intervals along the second direction. According to the blood viscosity sensor based on the dual-mode surface acoustic waves, on the same substrate, through the first interdigital transducer group and the second interdigital transducer group which are arranged in two different directions, Rayleigh waves and shear horizontal surface acoustic waves can be excited at the same time, and by utilizing the complementary characteristic of the two-mode surface acoustic waves, the blood viscosity of the blood viscosity sensor based on the dual-mode surface acoustic waves can be measured. Unification of high sensitivity and wide detection range is realized.

The invention relates to the technical field of material detection, and discloses an asphalt concrete fluidity detection device which comprises a base, an extension rod is arranged on the outer surface of the driving end of a lifting mechanism, a detection rod fixedly penetrates through the end, away from the lifting mechanism, of the extension rod, and a detection head is fixedly connected to the bottom end of the detection rod. A cleaning assembly is arranged on the side edge of the lifting mechanism, a rotating assembly is arranged between the lifting mechanism and the cleaning assembly, the cleaning assembly comprises an inner ring arranged on the outer surface of the detection rod in a sleeving mode, and an elastic rubber ring is arranged in the inner ring. According to the asphalt concrete fluidity detection device, automatic cleaning of the detection head is achieved by means of an elastic rubber ring outside the detection rod and a reciprocating rotation structure, when the detection head moves upwards, the rubber ring with the larger size is elastically attached to the surface of the detection head to slide, meanwhile, the vertical plate track drives the gear rack to make the rubber ring rotate in a reciprocating mode, and unsolidified asphalt is scraped; and the cleaning effect is enhanced through rotation, attached materials are shaken off, manual cleaning is reduced, and the detection continuity and convenience are improved.

The present application relates to the technical field of road engineering, and aims to provide a calibration device for asphalt penetrometer, which comprises a processor, a display, a mounting bracket mounted on the head of the penetrometer, and a calibration mechanism arranged on the mounting bracket; the calibration mechanism is provided with a swing rod, a contact rod is arranged on the swing rod and rotationally matched with the swing rod, and the rod shaft of the contact rod is connected with the input end of a rotary encoder; the swing rod can swing under its own gravity and drive the contact rod to abut against the side wall of the needle connecting rod of the penetrometer to form contact with the needle connecting rod; the rotary encoder is electrically connected with the processor, and the processor is electrically connected with the display. The present application can assist the operator to quickly and efficiently calibrate the penetrometer, is convenient to use, can be adapted to various types of penetrometers, and has good universality.

The present invention provides a method of determining testing parameters of a melt flow rate testing apparatus, comprising the steps of: (i) providing a reference input indicative of a selection of a melt flow rate testing procedure from a predetermined list of melt flow rate testing procedures; (ii) providing a characteristic input indicative of a load mass and a testing temperature for melt flow rate testing; (iii) providing a sample input indicative of an estimated value of the melt flow rate of the sample; and (iv) determining at least one characteristic testing parameter for the melt flow rate testing apparatus, utilising a representative value generated from a predetermined combination of any one of said reference input, said characteristic input and said sample input.

A method of determining a viscosity of a fluid is provided. The method includes: receiving one or more sensor signals from a sensor assembly containing a fluid to determine a fluid characteristic of the fluid; determining an energy dissipation value of the sensor assembly containing the fluid based on the one or more sensor signals; and determining a viscosity value of the fluid based on the energy dissipation value.

Disclosed is a Coriolis flowmeter comprising a plurality of measurement areas. The Coriolis flowmeter comprises a flow tube and a flow transmitter. The flow tube comprises at least a first measurement area and a second measurement area. A first driving device and a first measurement device are mounted in the first measurement area, and a second driving device and a second measurement device are mounted in the second measurement area. The first measurement device and the second measurement device are both connected to the flow transmitter so as to transmit measurement values of the first measurement device and the second measurement device to the flow transmitter. The first measurement area uses the Coriolis principle to measure at least one of the mass flow and the density of an internal medium, and the second measurement area and the first measurement area both measure the mass flow and / or the density of the internal medium. Compared with the prior art, in the present invention, measurement values of a same parameter of a medium in a flow tube in two measurement areas are compared, so that a measurement result can be verified online, and a high-precision real-time diagnosis method based on sensor design is provided, thereby avoiding production interruption caused by regular calibration of the Coriolis flowmeter.

Disclosed is a Coriolis flowmeter comprising a plurality of measurement areas. The Coriolis flowmeter comprises a flow tube and a flow transmitter. The flow tube comprises at least a first measurement area and a second measurement area. A first driving device and a first measurement device are mounted in the first measurement area, and a second driving device and a second measurement device are mounted in the second measurement area. The first measurement device and the second measurement device are both connected to the flow transmitter so as to transmit measurement values of the first measurement device and the second measurement device to the flow transmitter. The first measurement area uses the Coriolis principle to measure at least one of the mass flow and the density of an internal medium, and the second measurement area and the first measurement area both measure the mass flow and / or the density of the internal medium. Compared with the prior art, in the present invention, measurement values of a same parameter of a medium in a flow tube in two measurement areas are compared, so that a measurement result can be verified online, and a high-precision real-time diagnosis method based on sensor design is provided, thereby avoiding production interruption caused by regular calibration of the Coriolis flowmeter.

The invention relates to the field of mortar measuring instruments, in particular to an environment-friendly ready-mixed mortar viscosity measuring instrument which comprises a mortar barrel, a guide sleeve, a detection part, a grouting pipe, a spraying head and a plugging part. The mortar barrel is thick in middle and thin in two ends, the mortar barrel is connected to the bottom frame, a feeding port, a storage cavity and a discharging port are sequentially formed in the mortar barrel from top to bottom, and the feeding port penetrates through the upper surface of the bottom frame; the guide sleeve is sleeved at the joint of the underframe and the feed port of the mortar barrel; the detection part is suspended right above the feeding hole, the bottom end of the detection part is used for probing into the mortar barrel for detection, and the top end of the detection part is connected with a first driving part on the top frame; one end of the grouting pipe sequentially penetrates through the side face of the bottom frame and the outer ring of the feeding opening, and the other end of the grouting pipe is connected with external grouting equipment; the spraying head is mounted on the outer surface of the mortar barrel in the radius direction of the mortar barrel, and the spraying end of the spraying head penetrates through the outer surface of the mortar barrel and is used for cleaning the inner surface of the mortar barrel; and the plugging piece is mounted on the discharge port.

The invention relates to the technical field of viscosity measurement, and discloses a material viscosity online measurement method and system for mixing and stirring equipment, the system comprises a kneading pot and a stirring paddle, the stirring paddle is arranged in the kneading pot, and a shearing gap is formed between the bottom of the stirring paddle and the bottom of the kneading pot; the reduction gearbox is arranged at the top of the kneading pot, the output end of the reduction gearbox is connected with the stirring paddle, and the reduction gearbox is used for driving the stirring paddle; the top of the viscosity sensor is embedded in the bottom of the kneading pot; one end of the first communication cable is connected with the viscosity sensor; one end of the data acquisition unit is connected with one end, far away from the viscosity sensor, of the first communication cable, and the data acquisition unit is used for acquiring viscosity sensor data; one end of the second communication cable is connected with the output end of the data collector; and the data processing module is connected with one end, far away from the data collector, of the second communication cable. According to the invention, on-line viscosity measurement of the material is realized.

The invention discloses a PVC glue model determination method based on viscosity number detection, which comprises the following steps: washing a glue sample for multiple times by using absolute ethyl alcohol to obtain high-purity PVC resin, drying the high-purity PVC resin, weighing a small amount of the dried high-purity PVC resin as a PVC resin sample, dissolving the PVC resin sample in cyclohexanone in a heating water bath environment, cooling, determining viscosity number data by using a Ubbelohde viscometer, and determining the model number of the PVC glue according to the viscosity number data. According to the method, special glue cleaning equipment is designed, the PVC resin sample is high in purity and free of residues, the method has the advantages of being accurate in data and scientific in judgment method, the standardized detection method for the viscosity number of the PVC resin in the glue is established, the industry blank is filled, and the method is suitable for popularization and application. And scientific and reasonable use of the PVC glue by enterprises is facilitated.

A method for fills and / or cleans the measurement cell of a measuring instrument, namely a viscometer and / or density measuring instrument, in particular of a rotational viscometer. A sample is introduced via a sample line into the measurement cell by a pump, and wherein a dynamic viscosity and / or density of the sample is determined in the measurement cell. A funnel-shaped, reversibly openable receiving container, in particular a filling funnel, for the sample, is arranged in the sample line, between the pump and the measurement cell. The receiving container is opened and the sample is introduced into the receiving container. The receiving container is connected to the pump via a pressure line in such a way that, when pressure is applied into the receiving container, a proportion of the sample is dispensed out of the receiving container and introduced into the measurement cell.

Devices and methods for rapidly and incrementally or continuously, measuring rheological properties of polymers under different shear rates. The device includes a pump configured to accept a continuous stream of sample solution during an interval of time, an injector configured to inject a flow of the sample solution through two or more viscometers, and a computing and processing device configured to monitor and measure rheological properties of the solution under at least two shear rates simultaneously in the two or more viscometers.

The invention relates to the technical field of colloid detection, and discloses a mouthpiece glue flow characteristic testing device and method, and the device comprises a rack, a glue containing cylinder, a glue adding pipeline, a glue receiving frame, a fixed cylinder, an exhaust pipe and the like; a glue containing barrel is installed in the machine frame, a glue adding pipeline is fixedly connected to the machine frame, an outlet of the glue adding pipeline is connected with a glue adding opening in the glue containing barrel, a glue receiving frame is fixedly connected to the bottom of the machine frame, the glue receiving frame is located below the glue containing barrel, and the glue receiving frame can receive nozzle connecting glue flowing out of the bottom of the glue containing barrel. According to the device, the lifting rod and the lower pressing plate move downwards under the action of gravity and controllable air pressure to apply pressure to the nozzle rubber, and in the process that the lifting rod descends, the pressure stabilizing mechanism dynamically adjusts the air pressure in the fixed cylinder, so that the pressure of the lower pressing plate on the tested nozzle rubber is kept constant, and the pre-tightening force of the pressure stabilizing spring is adjusted by rotating the hand wheel, so that the nozzle rubber is fixed. And the test pressure can be preset, so that the device can meet the test requirements of the mouthpiece glue in different viscosity ranges.

An in-situ sampling and molecular weight measurement system of a batch reactor is disclosed. The system comprises: a batch reactor including an inlet through which a reactant solution is selectively supplied and an outlet through which a product formed by reaction of the reactant solution is selectively discharged; a sampling line connected to the reactor and through which the reactant solution in reaction selectively flows; and a plurality of sampling valves mounted on the sampling line and configured to selectively open and close the sampling line, wherein the plurality of sampling valves are configured to be sequentially opened and closed from those located relatively close to the batch reactor to those located relatively farther from the batch reactor.

The invention relates to the technical field of paint equipment, in particular to a paint coating stirring device with a viscosity detection function, which comprises a fixed mounting shell, a flow guide receiving pipe, a rotary switching device, a horizontal scraping mechanism, a test cup, a sampling device, a flow control device, an identification detection device and an automatic cleaning device, the fixed mounting shell is mounted at the side part of the stirring tank; the flow guide material receiving pipe is installed at the axis position of the fixed installation shell, the rotary switching device is installed in the fixed installation shell, the multiple test cups are evenly distributed at the rotary end of the rotary switching device, the horizontal material scraping mechanism is arranged above the test cups, and the sampling device is installed on the stirring tank. The flow control device is mounted on the side part of the fixed mounting shell; the identification detection device is mounted on the side part of the fixed mounting shell; the automatic cleaning device is mounted at the bottom of the fixed mounting shell, the detection efficiency is effectively improved, and meanwhile, the labor cost is saved.

The invention relates to a method for verifying a density and / or viscosity measuring device, preferably a measuring device which requires calibration, in a measuring station of a processing facility during a running operation, wherein a medium, in particular a hydrocarbon-containing medium, flows through a main channel of the processing facility. The method has the following steps: - providing an auxiliary channel which is connected as a bypass to the main channel, said auxiliary channel being fluidically attached to the main channel via two regions of the main channel with different diameters (S100); - providing a MEMS-based master or control density measuring device in the auxiliary channel such that the medium flows through the MEMS-based master or control density measuring device (S200); - carrying out at least one verification measurement using the MEMS-based master or control density measuring device (S300); and - verifying the density and / or viscosity measuring device using the at least one verification measurement carried out by the MEMS-based master or control density measuring device (S400).

A rotary viscometer 8 comprises: a measurement rotor 20 that contacts a fluid, the viscosity of which is to be detected; a rotating shaft 22 connected to the measurement rotor 20; a drive part 24 that rotates the measurement rotor 20 via the rotating shaft 22; a measurement part 26 that measures the viscosity of the fluid on the basis of a torque generated in accordance with rotation of the measurement rotor 20; a housing 18 for accommodating at least the measurement rotor 20, the rotating shaft 22, and the drive part 24; and a window part 28 provided in the housing 18 so that the rotating shaft 22 is observable from the outside.

The invention relates to the technical field of viscosity measurement, in particular to a portable viscosity measuring instrument with an automatic cleaning function, which comprises a shell, a cleaning mechanism and a switching mechanism, a capillary tube extending up and down in the length direction is arranged in the shell; the cleaning mechanism comprises a mounting box, a waste water cylinder, a water purification cylinder, a conveying device and a vacuum suction device; the switching mechanism is used for conveying the cleaning liquid in the water purification cylinder to the upper end of the capillary tube through the conveying device for primary cleaning, recycling the cleaning liquid subjected to primary cleaning to the reclaimed water part through the vacuum suction device, and conveying the cleaning liquid in the reclaimed water part to the upper end of the capillary tube through the conveying device for secondary cleaning; the cleaning liquid in the water purification cylinder is conveyed to the upper end of the capillary tube through the conveying mechanism for third-time cleaning, the cleaning liquid after third-time cleaning is recycled to the reclaimed water part through the vacuum suction mechanism, repeated cleaning and utilization of the cleaning liquid are achieved, and the cleaning liquid is saved.

The invention relates to the technical field of lithium iron phosphate slurry characteristic detection, and discloses a machine learning driven lithium iron phosphate slurry characteristic detection device which comprises a base, a support is mounted on the base, a viscometer body is slidably connected to the inner wall of the support, a universal head is arranged in the viscometer body, and a rotor body is mounted on the universal head; according to the lithium iron phosphate slurry detection device, the auxiliary mechanism and the control assembly are arranged, so that the stirring part can be driven to stir a lithium iron phosphate slurry sample to be detected in real time, and when the slurry to be detected needs to be in contact, the switching part can drive the switching disc to rotate and switch to a detection station, so that solid particle sedimentation is effectively inhibited; the slurry state is ensured to be consistent with the uniformity in actual production during detection, the viscosity detection deviation caused by sedimentation is reduced, meanwhile, when the stirring part is located in the cleaning and drying assembly, the stirring part can be washed and dried, and the influence of residues on a next sample is reduced.

The invention relates to a wide-temperature-pressure-domain drilling fluid rheological mode multi-parameter determination method which comprises the following steps: step 1, carrying out a rheological characteristic experiment, and respectively measuring rheological parameters of a drilling fluid sample at different rotating speeds at different temperatures and pressures; step 2, fitting rheological parameters of an R-S mode by using a nonlinear least square method; 3, images of different rheological parameters changing along with temperature and pressure are drawn, and a temperature and pressure correction model, suitable for the high-temperature and high-pressure conditions, of the R-S mode is obtained; and 4, predicted values of the rheological parameters at different temperatures and pressures are calculated through the temperature and pressure correction model. The method is easy to implement, the precision and efficiency are better than those of a traditional method, and good stability is shown.

It is proposed a measurement system comprising a source of pressurized gas configured to deliver a gas at a predetermined pressure, a longitudinal storing reservoir configured to store a liquid, a longitudinal receiving reservoir, a capillary tube and a measurement device. The measurement device is configured to perform a measurement relative to the flow of the liquid inside an inner chamber of the longitudinal receiving reservoir when the pressurized gas is provided in the inner chamber of the longitudinal storing reservoir by the source of pressurized gas. The longitudinal storing reservoir, the capillary tube and the longitudinal receiving reservoir are configured so as to be positioned horizontally during the measurement relative to the flow of the liquid. The system provides an improved solution for performing a measurement on a liquid in an easy, accurate and efficient manner.

The present disclosure describes a method, a system, and a computer program product of indicating a status of an analytical instrument on a screen of the analytical instrument. In an embodiment, the method, the system, and the computer program product include receiving data from an analytical instrument monitoring a liquid sample, segmenting the received data into data segments for at least two characteristics of at least one of the instrument, the sample, and an operating environment of the instrument, analyzing each of the data segments for the at least two characteristics, retrieving threshold values for the at least two characteristics from a computer data source, calculating at least one status of at least one of the instrument, the sample, and the operating environment, with respect to the analyzed data segments and the threshold values, and displaying the at least one status on a display of the instrument.

The invention relates to the technical field of road engineering. The invention aims to provide a calibration device of an asphalt penetrometer. The calibration device comprises a processor, a display, a mounting rack mounted on a machine head of the penetrometer, and a calibration mechanism arranged on the mounting rack, the calibration mechanism is provided with a swing rod, the swing rod is provided with a contact rod which is in running fit with the swing rod, and a rod shaft of the contact rod is connected with the input end of a rotary encoder; the swing rod can swing under the gravity of the swing rod and drives the contact rod to abut against the side wall of a needle connecting rod of the penetrometer to make contact with the needle connecting rod. The rotary encoder is electrically connected with the processor, and the processor is electrically connected with the display. The device can assist an operator to quickly and efficiently calibrate the penetrometer, is convenient to use, can adapt to various types of penetrometers, and is good in universality.