31results about How to "The measurement results are objective and accurate" patented technology

The present invention relates to a detection equipment for detecting axial gap of inner spindle of pump body. Said detection equipment includes upper holddown mechanism, workpiece positioning mechanism, axial lifting mechanism and inner spindle rotating mechanism. Its upper holddown mechanism includes steam cylinder or oil cylinder, reference holddown block, press-in cylinder block, press-in motor, reductor, synchronous band, puller lever, press-in position sensor and height measurement sensor.

The invention discloses an automatic detector of the cleanliness of fibers and a detection method thereof. The automatic detector comprises a liquid storage box, a testing pipe, an LED light source, an illumination sensor and a liquid level sensor, wherein the liquid storage box is internally provided with a liquid level switch; the lower part of the liquid storage box is provided with a liquid inlet pipe connected with the testing pipe; the side surface of the liquid storage box is provided with a liquid overflow port, and the other side of the liquid storage box is connected with a cleaningelectromagnetic valve; the bottom end of the testing pipe is provided with the LED light source and a concave lens; the bottom of the testing pipe is connected with the liquid level sensor; the top end of the testing pipe is provided with the illumination sensor; the side surface of the upper part of the testing pipe is provided with a ventilation opening connected with the liquid overflow port; one side of the bottom of the testing pipe is connected with a liquid inlet electromagnetic valve, and the other side of the bottom of the testing pipe is connected with a liquid discharge electromagnetic valve; and one side of the testing pipe is parallelly provided with a calibration pipe. The invention adopts a vertical light path measuring method and has high measurement automation degree and accuracy; in addition, the influence of human factors and environmental factors on a measuring result is avoided, thereby a measuring result is objective and accurate.

The invention discloses a tea quality rapid detection device and detection method based on characteristic aroma, which can quickly and accurately perform quantitative and qualitative analysis on tea quality by analyzing and processing characteristic information of tea aroma. In the present invention, the gas sensor array is used to analyze the odor accumulation gas of the tea sample sent into the reaction chamber of the gas sensor device, and the computer is compared with the data in the database to output the quality grade information of the tested sample or the tested sample according to the needs of the user. The characteristic aroma content information of the test sample can be analyzed and processed by the characteristic information of the tea aroma, and the tea quality can be quickly and accurately analyzed quantitatively and qualitatively, which greatly simplifies the detection steps and does not require pretreatment of the sample to be tested. The interference of human factors caused by sensory evaluation makes the determination results more objective and accurate, and provides a new type of non-destructive testing device and testing method for tea quality testing.

A dynamic detection method for the axial fit clearance of the inner shaft of the pump in the field of mechanical component detection. The axial clearance of the inner shaft of the fuel injection pump is measured by using the axial movement displacement of the inner shaft of the fuel injection pump. The pressing force is pressed, the lower axial jacking mechanism lifts the inner shaft along the axial direction of the inner shaft of the fuel injection pump, and the upper bearing outer ring press-in amount measuring rod is kept close to the upper part of the inner shaft by spring force, and is measured by the sensor The data determines the axial clearance of the inner shaft of the fuel injection pump. When the axial clearance value meets the process requirements, another sensor measures the height from the end surface of the inner shaft bearing outer ring to the end surface of the pump body. The invention has the advantages of simple mechanical structure, good cost performance, reliable, objective and accurate measurement process, high repeatability, simple and rapid operation; and objectively reflects the dynamic situation of the measured object in the actual working state, eliminating the need for various components The impact of tolerance and system error on measurement results is suitable for mass measurement in production lines.

The present invention provides a multifunctional facial deflection measuring and indicating device, which includes a head fixing part and a horizontal position indicator 1, a left measuring part for measuring the vertical distance of the left positioning point, and a measuring part for measuring the median positioning point The middle measuring piece of the vertical distance and the right measuring piece used to measure the vertical distance of the right positioning point, the head fixing piece includes a strap and a three-axis positioning piece, and the middle part of the three-axis positioning piece is provided with a level indicator one, The two ends of the three-axis positioning piece are respectively connected with straps, the end of the middle measuring piece is movably connected to the middle of the three-axis positioning piece, and the end of the left measuring piece and the end of the right measuring piece are respectively movably connected to the two ends of the three-axis positioning piece The device can measure the vertical distance from the left positioning point, the center positioning point, the right positioning point to the head fixing part after the head fixing part is fixed on the patient's forehead and adjusted to a horizontal state, and obtain the measurement results, The measurement results are objective and accurate, and then it is possible to effectively determine whether there is skew based on the measurement results.

The invention provides a detection device of the torsional deformation of a hoisting hook. The device comprises a clamp, a reference hook frame and a slide measurement frame, wherein the reference hook frame is designed into a shape of a theoretical central line of a hook to be measured; and the slide measurement frame measures an actual central line in a slide mode along the reference hook frame. The invention also provides a detection method of the torsional deformation of the hoisting hook, which comprises the following steps: clamping and fixing the reference hook frame on a handle part of the hook to be measured through the clamp and a positioning pointer welded on the reference hook frame; operating the slide measurement frame and recording a lateral outline central line of the hookto be measured; fitting out the actual central line; and comparing the theoretical central line with the actual central line to calculate out a torsional deformation angle. The invention has quick and convenient measurement process, no need of extra shut down, quantitative and objective measurement result and simple manufacture and is suitable for inspection and detection of various hoisting hooks.

The invention discloses a pre-type adjustable electromagnetic drainage valve for treating glaucoma, comprising a drainage plate, a drainage tube is arranged on the drainage plate, a drainage valve is arranged in the drainage tube, the drainage valve includes a magnetic valve block, and the magnetic valve block is There is a guide column, and a fixed block is provided on the drainage tube wall of the drainage tube. The guide column is sleeved through the fixed block. One end of the guide column is connected with the magnetic valve block, and the other end of the guide column is provided with a hard tip. The inner diameter of the drainage tube is along the The direction from the guide column to the magnetic valve block gradually decreases, and the wall of the drainage tube is in close contact with the outer periphery of the magnetic valve block. It also includes an external electromagnetic pole, and the external electromagnet is magnetically matched with the drainage valve. By changing the magnetic flux of the external electromagnet Control the movement of the diversion valve. The present invention can adjust the drainage volume of the drainage tube according to the actual use requirements through the cooperation of the external electromagnet and the magnetic valve block, and can also avoid the blockage of the lumen caused by tissue fibrosis, thereby realizing self-dredging and reducing the cost of surgery. failure rate.

The invention relates to a noncontact-type tear film breakup time measuring device and method. The noncontact-type tear film breakup time measuring device comprises a structured light projection unit, a first light splitter, a central positioning unit, a second light splitter, a focusing unit, an imaging unit, a shell, a base and a three-dimensional moving platform, the structured light projection unit projects structured light patterns of a certain mode to the surface of a tear film, structured light images modulated by the surface of the tear film are collected by the imaging unit, and whether the structured light patterns in the collected images are distorted or broken or not is detected through upper computer software so as to judge thinning and breaking conditions of the tear film. Tear film breakup time is measured by adopting a method of structured light detection, so that stability of the tear film is unaffected due to a noncontact measuring mode; the device can automatically recognize starting point and finishing point of tear film breakup time measuring to automatically complete the whole measuring process, thereby being objective and accurate in measuring result.

The invention relates to a method for measuring molecular bitterness of a medicine on the basis of bitterness threshold (BT) concentration. The method comprises the following steps: preparing a seriesof low-concentration solutions of a standard bitter substance and a to-be-tested monomer; at 37 DEG C, performing typical people taste experiment on the series of low-concentration solutions of the standard bitter substance and the to-be-tested monomer by a 'typical psychophysics minimum limit method'; measuring the number of people tasting bitterness under different concentration, performing outlier removal and calculating the final ratio of people tasting bitterness; and establishing a Wible equation between the obtained people number ratio and different concentration. According to the method, the bitterness threshold concentration is established by utilizing the typical people taste experiment and the typical psychophysics minimum limit method, quantitative index for bitterness evaluation of the medicine is provided, technical support is provided for medicine bitter taste masking, the commercial value of the medicine is exploited, the taking effect of the medicine is improved and remarkable economic and social benefits are achieved.

The invention discloses a detection method for internal clearance of a hydraulic torque converter used in the field of detection of mechanical parts. Use the gravity drop principle of the internal turbine of the hydraulic torque converter or the loose parts to be tested to measure the internal clearance of the hydraulic torque converter. The measuring rod extends from the bottom of the hydraulic torque converter pump shaft with a small tightening force, the measuring rod touches the turbine or the loose parts to be tested, then the measuring rod pushes upwards to tighten the turbine or the loose parts to be measured, and then the measuring rod resets , and freely fall to the original position with the turbine or the loose parts to be tested, the measuring rod is kept close to the turbine or the loose parts to be tested by the spring force, and the internal clearance of the torque converter is determined through the measurement data of the configured sensor. The invention has the advantages of simple mechanical structure, reliable measurement process, high repeatability, simple and rapid operation, and is suitable for mass measurement in production lines.

The invention aims to provide a quantifying method for bitter degree of a multi-component traditional Chinese medicine based on molecule bitter degree equivalent measurement; the quantifying method can effectively measure bitter degree of the multi-component traditional Chinese medicine, so that bitter degrees of different medicines as well as the medicine bitter taste masking problem are quantified and compared more accurately and objectively; a minimum limit method is adopted, bitterness threshold (BT) concentrations, namely lowest concentration tasted by half of volunteers, of water solutions of standard bitter substances and bitter-taste traditional Chinese medicine decoction pieces at 37 DEG C are measured; any standard bitter-taste substance is set, molecular bitter degree equivalentof a to-be-measured medicine is calculated according to a formula of EMBs equal to (Cr / Cs)*EMBr. The quantifying method can measure bitter degrees of bitter tastes of medicines, obtains accurate andobjective measured results, provides quantifying indexes for bitter degree evaluation of the medicines, provides technical support for medicine bitter-taste masking, develops a commercial value of themedicines, improves the taking effect of the medicines, and has remarkable economic and social benefits.