35 results about "Spherical probe" patented technology

The invention discloses a thirteen-hole probe and a fluid velocity vector measurement method and system, and the method comprises the steps: carrying out the partitioning of the thirteen-hole probe according to the physical position of each pressure hole in the surface of a spherical probe; adjusting the angle attitude of the thirteen-hole probe, obtaining multiple groups of calibration data under a known flow field, and calculating an angle coefficient characteristic curve graph of each subarea by using the calibration data; performing dimensionless processing on the pore pressure data of each pressure pore in the known flow field to obtain a dimensionless pressure coefficient for fitting, and establishing a general calculation model; and collecting actually measured pore pressure data of the thirteen-hole probe in the flow field to be measured, positioning the subarea to which the actually measured pore pressure data belongs, and calling the angle characteristic curve of the corresponding subarea in the general calculation model to calculate the flow field parameters of the flow field to be measured. A plurality of pressure holes are formed in the spherical probe and used for receiving airflow in multiple directions, the defect that only airflow in the axis direction of the probe can be received in the prior art is overcome, and large-angle bias flow measurement is achieved.

The invention discloses an ocean ultra-soft soil in-situ testing device which comprises a spherical penetration assembly and a static penetration assembly, the spherical penetration assembly comprises a data acquisition analyzer, an air pressure source, a spherical probe and a hollow probe rod, and the spherical probe and the hollow probe rod are connected. The spherical probe is sequentially provided with a ball-head-shaped resistance sensor, a side wall friction resistance sensor, a side expansion diaphragm and a pore water pressure sensor from bottom to top; the static penetration assembly comprises a base used for supporting the spherical penetration assembly and a penetration rate control box used for controlling the spherical probe to act; and the data acquisition analyzer analyzes and calculates the mechanical properties of the ocean ultra-soft soil according to data acquired in the penetration process of the spherical probe. The advantages of the structural design of the spherical probe are fully utilized, the high sensitivity, the undrained shear strength and the lateral expansion modulus of the ultra-soft soil can be efficiently measured with low cost and high accuracy, and the limitation that a traditional ocean in-situ testing technology is insufficient in applicability is solved.

The invention discloses a dual-mode touch sensor capable of realizing quantitative detection of elastic modulus and a method. A dual-mode sensing device of the dual-mode touch sensor detects a pressure strain electric signal when the surface of a detected object generates force deformation, and a data acquisition and processing device acquires the electric signal and performs data processing according to a specific elastic modulus detection model, so that quantitative detection of the elastic modulus of the material is realized. The method comprises the steps that a measured object is placed on a platform, and the axis of a sensor is kept perpendicular to a measured surface; positive pressure is loaded at the top of the probe at a constant speed to push the spherical probe to be pressed into the to-be-measured object at a constant speed; a voltage signal is collected through the data collecting and processing device, and the model measures the Poisson's ratio and detects the elastic modulus. According to the dual-mode touch sensor and the method, the Poisson's ratio of the material is accurately measured, the elastic modulus is quantified, a robot can recognize the mechanical performance of an unknown material, and finer perception and interaction are achieved.

According to the method for testing the dynamic and static bearing capacity of the sediment based on the ocean static sounding, an ocean static sounding instrument is provided with a spherical probe with the cross section area being 100 cm < 2 > and is provided with a penetration resistance sensor, a pore water pressure sensor, an attitude sensor and the like which are arranged on a conventional static sounding instrument; a penetration device, a power supply and an acquisition system of the static penetrometer are used for data acquisition, and the dynamic bearing capacity characteristics of the sediments are obtained through multiple times of penetration at different penetration speeds, calculation of the rate effect coefficient of the sediments and service of the dynamic bearing capacity characteristics of the sediments at different walking speeds of a mine car in the submarine manganese nodule mining process.

The invention discloses a vertical silicon nanowire-based full-gate-around photovoltaic field effect transistor and a preparation method thereof, the photovoltaic field effect transistor takes a vertical silicon nanowire as a channel, transforms a transverse width into a longitudinal depth, is easier to realize physical isolation of a single device in a large-scale array, and improves the reliability of the whole-gate-around photovoltaic field effect transistor. And meanwhile, the integration level of the photovoltaic field effect transistor is greatly improved. The silicon nanowires penetrate through the two-dimensional material film, and the two-dimensional material film wraps the silicon nanowires in a full surrounding mode according to the atomic layer thickness to form a ring gate structure. The ring gate structure depends on the excellent mechanical flexibility of the two-dimensional material and the nanoscale lossless modification of the spherical probe of the atomic force microscope. By means of an atomic force microscope ball probe interface processing technology, the invention provides a novel method for preparing a transistor with a sub-nanometer size grid electrode, and the photovoltaic transistor structure not only effectively inhibits the short channel effect, but also remarkably improves the efficient integration capability of a two-dimensional material and a silicon-based CMOS (Complementary Metal-Oxide-Semiconductor Transistor) device.

The invention relates to a torque-stopping shoulder depth gauge, a quality detection method and a use method thereof. The depth gauge comprises a main scale, a vernier scale, a base and a lengthened marker post. The vernier scale is fixed on the base to form a scale slot, and the main scale is inserted into the scale slot in a movable and adjustable manner and is fixed through a fastening screw; the lengthened marker post is fixedly connected with the base through a concave table part at one end; an obtuse angle notch is formed in one side, far away from the scale mark, of the head end part of the main scale, a spherical surface measuring head supporting column is vertically welded on the inclined surface of the obtuse angle notch, a spherical surface measuring head is welded at the outer end of the spherical surface measuring head supporting column, and the outer surface of the spherical surface measuring head forms a spherical surface measuring head measuring surface for measuring the depth of a torque shoulder. According to the invention, convenient measurement of the depth of the torque-stopping shoulder of the special-buckle knot hoop can be realized, and the measurement precision can be ensured.

The utility model relates to a flatness detection device. The flatness detection device comprises a base, a detection assembly and a supporting structure. The base is provided with at least three mounting holes; the detection assemblies are in one-to-one correspondence with the mounting holes, each detection assembly comprises a dial indicator and a measuring head structure, each dial indicator comprises a dial plate part and a measuring rod part connected with the dial plate part, at least part of each measuring rod part is fixed in the corresponding mounting hole, and each measuring head structure comprises a connecting part and a spherical measuring head which are connected with each other. Part of the connecting part is located in the mounting hole and connected with the measuring rod part, and the spherical measuring head is located on the side, opposite to the dial plate part, of the base. The at least three supporting structures comprise mounting parts and spherical supporting parts, the mounting parts are fixed to the base and located on the side where the spherical measuring head is located, and the spherical supporting parts are connected to the ends, away from the base, of the mounting parts. According to the flatness detection device, high-precision and high-efficiency flatness detection can be realized.

The application discloses a kind of based on the joint coordinate measuring machine calibration method of virtual calibration member construction.It is as follows: one, the coordinates of 12 sampling points are determined;Two, 12 sampling points are used to construct selected type virtual calibration member.Three, the spindle of precision machine tool drives calibration tool to move to the sampling point position on all virtual calibration members in turn.Each time calibration tool reaches a sampling point, the coordinates of calibration tool are measured using the spherical probe of joint coordinate measuring machine.Four, according to the measurement results, joint coordinate measuring machine is calibrated.The application constructs a large number of different types of virtual calibration members by setting 12 sampling points in precision machine tool, and the size and spatial pose of calibration member can change according to the change of sampling point;Compared with the existing calibration method using entity calibration member that can only change spatial pose, the calibration effect and calibration efficiency of the application are significantly enhanced.

The invention provides a portable modularized three-dimensional pitot tube flow velocity automatic measuring device and method, and the device comprises a pitot tube, one end of the pitot tube is spherical and is provided with five measuring tubes capable of measuring static pressure, the other end of the pitot tube is connected with an air tube in a clamping manner, and the air tube is internally provided with a thin tube which can be connected with the five measuring tubes of the pitot tube. The surface of the gas pipe is sleeved with a control unit capable of driving the gas pipe to rotate and move, one end, far away from the pitot tube, of the gas pipe is fixedly connected with a quick connection unit, and the gas pipe is fixedly connected with an extension pipe through the quick connection unit. According to the invention, a plurality of transverse points in the flue can be measured, the flow velocity in the flue can be accurately measured, the pitot tube can be conveniently and rapidly prolonged in a narrow flue and other places, and the use experience can be further improved.

The invention discloses a fully automatic wire threader for power distribution inner wires, comprising: a lifting platform, a fixing plate, a positioning rod, a friction wheel, a threaded tube, a protective tube and a spherical probe; the fixing plate is fixedly connected to the lifting platform, and a fixing nut is arranged on the fixing plate; the positioning rod is movably connected to the lifting platform; the friction wheel is connected to the positioning rod, so that the positioning rod drives the friction wheel to contact with the threaded tube, and when the friction wheel rotates, the threaded tube is driven to rotate by friction force; the threads on the threaded tube are matched with the fixing nut, so that the threaded tube moves when it rotates; the protective tube is placed inside the threaded tube; the spherical probe is detachably connected to the end of the threaded tube, and the diameter of the spherical probe is larger than the diameter of the threaded tube. The fully automatic wire threader for power distribution inner wires of the invention has a simple structure, is easy to carry, and has a low cost. It can also realize fully automatic threading operation. One person can complete the threading operation, which saves a lot of manpower and material resources, so that the fully automatic wire threader for power distribution inner wires of the invention has a wider range of applications and greater market promotion value.

A system for registering an anatomical surface for a registration procedure includes memory storing instructions and one or more processing devices configured to execute the instructions. Executing the instructions causes the system to perform, based on a dimension of a spherical probe tip of a probe configured to perform the registration procedure, a dilation process on a first model of patient anatomy including the anatomical surface to obtain a second model of the patient anatomy, receive data indicative of a plurality of locations of the spherical probe tip relative to the patient anatomy, and register points corresponding to the plurality of locations of the spherical probe to the second model.

The application relates to the technical field of soil parameter detection, in particular to a top-and-bottom double-force-structure ball-type penetration instrument device and a vertical consolidation coefficient testing method. The device comprises a loading probe rod and a spherical probe, the spherical probe comprises a middle spherical instrument and a lower spherical instrument, the middle spherical instrument and the lower spherical instrument form a sphere, the middle spherical instrument is located above the lower spherical instrument, the top of the middle spherical instrument is provided with an upper force measuring mechanism, and the bottom of the middle spherical instrument and the lower spherical instrument are connected through a lower force measuring mechanism; a signal transmission cable penetrates through the middle spherical instrument, and the signal connection of the upper force measuring mechanism and the lower force measuring mechanism is realized. The measured penetration resistance value is stable and high in precision, the vertical consolidation coefficient of soil can be measured, the measurement cost is greatly reduced, and the operation time is shortened.

The application discloses a thirteen-hole probe and a fluid velocity vector measurement method and system, and the method comprises the following steps: according to the physical positions of each pressure hole on the surface of a spherical probe, the thirteen-hole probe is partitioned; the angle posture of the thirteen-hole probe is adjusted, a plurality of sets of calibration data under a known flow field are obtained, and an angle coefficient characteristic curve of each partition region is calculated by using the calibration data; dimensionless processing is performed on the hole pressure data of each pressure hole under the known flow field, fitting is performed on the dimensionless pressure coefficient obtained in the dimensionless processing, and a general calculation model is established; measured hole pressure data of the thirteen-hole probe under a to-be-measured flow field is collected, the partition to which the measured hole pressure data belongs is located, and the flow field parameters of the to-be-measured flow field are calculated by calling the angle characteristic curve of the corresponding partition in the general calculation model.

The invention provides a model-based curved and twisted blade three-coordinate contact measurement sphere radius compensation method, which comprises the following steps of S1, performing cloud generation on blade profile theoretical points: generating uniform-section measurement theoretical points with different heights on a blade theoretical model by utilizing existing commercial software according to a blade detection technical requirement file; s2, performing coordinate system transformation on the blade theoretical model; s3, calculating the radius compensation amount; and S4, compensating the radius of the three-coordinate probe. The method provided by the invention can theoretically eliminate the radius compensation error of the large-swept-curve blade measured by the three-coordinate spherical probe in a contact manner in a uniform-section method, and can be directly used for three-coordinate measuring sphere radius compensation in an actual measurement process, so that the inherent error of measuring sphere radius compensation during the measurement of the current large-swept-curve blade is reduced; and the blade profile measurement precision of the large-curved-swept blade is improved.

The present invention provides an in-situ test device and method for the mechanical properties of sediments in deep-sea polymetallic nodule mining areas, including a device transport system, a double-layer CNC guide rail and penetration system, and a control and data acquisition system. The optimized spherical probe can effectively identify whether the probe rod is ballasted on the polymetallic nodules. The probe rod can be adjusted to any position within a certain range on the seabed through the double-layer CNC guide rail and penetration system, thereby avoiding the interference of polymetallic nodules on the test of the mechanical properties of sediments. The strength of sediments at multiple points can be measured during one deployment process, which effectively improves the test efficiency and reduces the test cost. The cyclic test of the strength of sediments can be carried out, which is convenient for exploring the law of cyclic weakening. The difficulty of the mechanical property test of sediments in polymetallic nodule areas being easily interfered by nodules and causing test failure is overcome, and the blank of the in-situ test device for the mechanical properties of sediments in polymetallic nodule areas is filled. The device has a simple structural design, low comprehensive use cost and high efficiency.

The present application relates to the technical field of fluid measurement, and discloses a porous probe with anti-icing function, which comprises a pressure sensing probe, an air path support arm and an air path guide pipe, the pressure sensing probe is of a spherical structure, and a plurality of sensing holes are arranged on the outer wall surface of the pressure sensing probe, and each sensing hole is arranged on the windward surface of the pressure sensing probe. The pressure sensing probe is designed as a spherical structure, so that the measurement of a larger range of speed and direction can be achieved compared with the conical surface of a traditional five-hole probe. In addition, in order to avoid the influence of the vortex on the leeward surface of the spherical probe and the interference of the air path support arm on the flow field, the sensing holes are all arranged on the windward surface of the pressure sensing probe, so that the influence of the vortex on the leeward surface and the air path support arm on the flow field measurement is avoided, and more accurate and stable measurement results can be provided.

A scleral depressor and illuminator is disclosed. The instrument includes a handle having a rechargeable battery, a rigid but flexible shaft, and a distal probe tip portion. The probe tip may be partially spherical in shape. The probe tip includes a transparent window that is arranged laterally to a long axis of the shaft, and is opaque in all other directions such that the probe tip launches a beam that is oriented transverse to the long axis of the shaft.

The invention discloses a deep ground wind speed test system and method considering temperature and humidity correction, and the system comprises an anemograph body, a ball-type measuring head, an anemograph circuit, a temperature sensor, a humidity sensor, and a test rod. The anemograph circuit is arranged in the anemograph body and comprises a memory, a microprocessor, a wind speed measuring unit, a temperature correction unit and a humidity correction unit; according to the method, a temperature-resistance-voltage and humidity-capacitance-voltage relation is considered, a temperature correction model and a humidity correction model are established, and temperature and humidity double correction is performed on the voltage value of the measurement model, so that the wind speed measurement deviation caused by environmental factors is effectively reduced, and the measurement accuracy is improved; the temperature and humidity data are quickly received and processed through the microprocessor in the anemograph circuit, the correction factor is calculated according to the preset function, the wind speed measurement value is automatically corrected, and the test efficiency is improved. The device is suitable for a deep high-temperature and high-humidity environment, and meets the precision and stability of wind speed testing.

The utility model discloses a novel moisture detector applies in the field of detection instrument, solved the simple equipment of current equipment and inconvenient to use technical problem that cannot satisfy the use demand of meeting detection working condition, and its technical scheme main points are including instrument body and spherical probe, the instrument body includes split type upper cabin and lower cabin, is equipped with integrated high frequency circuit and microcontrol unit module in the upper cabin, the spherical probe is linked with integrated high frequency circuit, is equipped with double -mode composite probe module in the spherical probe, double -mode composite probe module includes annular capacitance electrode and center electromagnetic wave antenna, the annular capacitance electrode evenly distributes in the inner wall of spherical probe, the center electromagnetic wave antenna is located at the spherical heart place of spherical probe inner chamber, the tail end of center electromagnetic wave antenna is connected with the coaxial cable, still is equipped with curved surface self -adaptation structure on the spherical probe, has can satisfy the use demand of multiple working condition, improves the convenient and reliable technical effect of equipment use.

The application belongs to the technical field of sensors, and particularly relates to a composite sensor and a composite detection device; the composite sensor comprises a spherical probe shell, a capacitive pressure sensor array located on the outer surface of the inner ring of the outer surface of the spherical probe shell, a flexible piezoelectric ultrasonic transducer array located on the outer ring of the inner surface of the spherical probe shell and penetrating the inner and outer surfaces of the spherical probe shell, and a block piezoelectric ceramic located on the inner surface of the inner ring of the spherical probe shell opposite to the capacitive pressure sensor array; the application enhances the adhesion to the surface to be detected through the design of the spherical probe shell; through the design of the capacitive pressure sensor array, the flexible piezoelectric ultrasonic transducer array and the block piezoelectric ceramic, the synchronous acquisition of the pressure distribution and the internal structure information is realized, the intuitiveness of bionic palpation and the high precision, non-radiation and other characteristics of ultrasonic imaging are fused, and the advantages of bionic palpation technology and ultrasonic imaging technology can be simultaneously exerted.

The utility model discloses a narrow tenosynovitis push-cut type release tool under the closed condition, which comprises a holding copper handle, a first connecting copper column and a second connecting copper column, the middle end of the left side of the first connecting copper column is fixedly connected with a first surgical needle rod, the left end of the first surgical needle rod is provided with a release knife edge, and the second connecting copper column is fixedly connected with a second surgical needle rod. A first protection head and a second protection head are sequentially and fixedly connected to the surface of the releasing knife edge from top to bottom, a second surgical needle rod is fixedly connected to the middle end of the right side of a second connecting copper column, and a spherical probing block is fixedly connected to the right side of the second surgical needle rod. Through the arrangement of the spherical probing block, the disengagement degree and the edge hyperplasia condition can be touched in the discontinuous disengagement process, targeted probing can be achieved under the closed condition, and under the action of 360-degree bending of the first surgical needle rod and the second surgical needle rod, a space for taking the holding copper handle in a finger-pressing mode can be reserved; and the device is more suitable for pushing and cutting type releasing force of the hyperplastic tendon sheath.

The invention relates to a confectionery slice product and a preparation method thereof. The confectionery tablet product comprises: 45% to 85% by weight of a bulk sweetener, wherein the bulk sweetener is not a dried fruit or a dried vegetable; from 5% to 50% by weight of a gelatinized starch; a moisture content of from 0% to less than 6% by weight, from 0.25% to 5% by weight, from 0.5% to 4% by weight, from 0.75% to 3% by weight, or from 1% to 2% by weight, based on the total weight of the confectionery slice product; and one or more of the following properties: a thickness of less than 4 mm; a non-uniform cell structure; and a breaking force of less than 2000 g, 150 g to 1500 g, 200 g to 1000 g, 300 g to 800 g, or 400 g to 600 g, as measured by a texture analyzer with a spherical probe and with a 50 kg load sensor. Confectionery products having the texture and other properties of fried potato chips or snack chips are disclosed, but the confectionery products are made from confectionery ingredients.

The utility model discloses a multi-angle probe for intelligent detection of precision machining machinery. The multi-angle probe comprises a stand column, a detection arm and a probe head. The stand column shell is composed of a plurality of sections of hinged arc-shaped elastic metal sheets, the angle limiting pin sheet and the shaft sleeve are matched, multi-angle flexible adjustment of the whole stand column and the detection arm is achieved, the arc-shaped metal sheets are provided with anti-slip lines, and the scales of the detection arm and the stand column pointer assist in precise angle control. A pressure sensor module, a displacement sensor module, a signal processing module and a wireless transmission module are integrated in the spherical probe head, a pressure signal is processed by a signal conditioning circuit composed of an operational amplifier and a filter circuit, a displacement signal is transmitted by an A / D conversion circuit, and the pressure signal and the displacement signal are analyzed and processed by a single-chip microcomputer minimum system circuit. And then the signal is transmitted to the Bluetooth or Wi-Fi wireless transmission module through the serial port communication circuit.

The utility model belongs to the technical field of workpiece aperture perpendicularity measurement, and discloses an aperture perpendicularity measuring head mechanism which comprises a vertical connecting plate, a sliding plate connected to the vertical connecting plate in a sliding mode, a grating displacement sensor arranged between the sliding plate and the vertical connecting plate and used for detecting vertical sliding displacement of the sliding plate, and a vertical ejector rod arranged at the bottom of the sliding plate. A rotating shaft is rotatably connected to the bottom of the vertical connecting plate, a vertical swing arm is fixed on the rotating shaft, a spherical probe is arranged at the bottom of the vertical swing arm, a horizontal swing arm perpendicular to the vertical swing arm is fixed on the rotating shaft, and the bottom of the vertical ejector rod abuts against the horizontal swing arm; the whole measuring head mechanism adopts a transmission mode that a crank arm and a vertical ejector rod are matched with each other, the inclination change of the inner hole wall is measured and amplified, and then a high-precision grating displacement sensor is adopted for detection, so that the measurement precision is greatly improved.

The invention relates to a dual-mode OTDR liquid level measurement method based on interference signal enhancement. The method comprises the following steps: establishing an optical path system containing double transmission channels, and obtaining a first OTDR optical path and a second OTDR optical path which can be switched; obtaining initial position information of the liquid level by obtaining a reflected light signal of the end face of the probe; the second OTDR optical path obtains modulation detection light through a laser frequency modulation device; a beat frequency interference signal is formed by probe end face reflected light and liquid level reflected light, a beat frequency value is obtained through analysis, and the distance between the probe and the liquid level is calculated; parallel emergent light and stable light spots are obtained through a spherical probe, and a reflected light signal with stable amplitude is obtained; obtaining a compliance beat frequency interference signal and obtaining distance data; double light paths are circularly switched to obtain the positioning signal and the distance signal, the liquid level fluctuation state is judged, and an early warning signal is generated; the sampling frequency is regulated and controlled according to the early warning signal, distance monitoring data are obtained, and a liquid level position change curve is updated in real time. And the dual-mode OTDR liquid level measurement is realized.

The application provides a model-based bending-twisting blade three-coordinate contact measurement ball radius compensation method, which comprises the following steps: S1, cloud generation on a blade profile theoretical point: using existing commercial software, according to a blade detection technical requirement document, generating different-height equal-section measurement theoretical points on a blade theoretical model; S2, coordinate system transformation on the blade theoretical model; S3, radius compensation amount calculation; S4, three-coordinate contact measurement ball radius compensation. The application can theoretically eliminate the radius compensation error of the three-coordinate spherical probe contact measurement of a large bending-sweep blade by using the equal-section method, can be directly used for three-coordinate measurement ball radius compensation in an actual measurement process, thereby reducing the inherent error of the measurement ball radius compensation in the current large bending-sweep blade measurement, and improving the profile measurement precision of the large bending-sweep blade.

The utility model relates to the field of medical instruments, in particular to an anal fistula probe which comprises a probe head, a probe tube body and a handle, the probe head is arranged at one end of the probe tube body, and the handle is arranged at the other end of the probe tube body; the probe head is a hollow spherical probe, a circular groove is formed in the top end of the probe head, and a micro camera is arranged in the circular groove; the probe tube body is of a hollow structure, a circle of liquid bag is arranged at the position, close to the probe head, of the outer portion of the probe tube body, a connecting opening is formed in the contact face of the probe tube body and the liquid bag, and a plurality of water outlet holes are formed in the position, close to the liquid bag, of the probe tube body. The handle is of a double-handle structure and comprises a main handle and an auxiliary handle, and a cavity is formed in the auxiliary handle; the liquid channel penetrates through the probe tube body and the interior of the auxiliary handle and comprises a first liquid channel and a second liquid channel, the cleaning efficiency is improved, and the infection risk is reduced.

The invention relates to a nozzle head diffusion type hole site detection device which takes an operation table, a slope section box, a base, a calibration disc body, a horizontal detection disc, a detection rod, a support frame, a nozzle head and a detected hole as a main body, a clamping sliding cavity is formed in the tailstock, the base can be inserted into the clamping sliding cavity in parallel to move up and down, and the fixed magnetic ring and the movable magnetic ring which are fixedly connected with the tailstock and the base are arranged on the tailstock and the base respectively. A rotating shaft is arranged on the measuring rod; a spherical sliding block fixedly connected with the measuring rod is arranged at the tail end of the measuring rod; a guide sliding cavity is formed in the lower surface of the calibration disc body; a driving magnetic ring is arranged at the top of the support frame, and a pressure spring is arranged between the driving magnetic ring and the support frame; a spherical measuring head fixedly connected with the measuring rod is arranged at the front end of the measuring rod; whether the distances from the ends, away from the center axis of the nozzle head, of the side walls of the three detected holes and the distances from the ends, close to the center axis of the nozzle head, of the side walls of the three detected holes to the center axis of the nozzle head are the same or not is determined by observing whether the horizontal measuring disc is horizontal or not, and therefore whether the diffusion type hole site of the nozzle head meets the detection requirement or not is determined, and design is ingenious.

The utility model relates to the technical field of flour detection, and discloses a flour sampling device for flour detection, which comprises a spherical probe, a limiting tube is fixedly mounted on the outer side of the spherical probe, a feeding hole is formed in the outer end of the spherical probe, a spherical plug is movably mounted in an inner cavity of the limiting tube, and a feeding hole is formed in the inner cavity of the limiting tube. A material leakage baffle is fixedly mounted on the inner side of the limiting pipe; through the arrangement of the spherical probe, the arc-shaped feeding opening is conveniently formed, so that the internal spherical plug can conveniently plug the feeding opening, through the arrangement of the limiting pipe, the movable space is conveniently provided for the spherical plug, and when the device is used, the air pushing plug is controlled to be pushed inwards through the oil pump, so that air extending into the long pipe is compressed, and the air is compressed; the spherical plug is pressed against the feeding port under the action of pressure, so that the feeding port is blocked, after the feeding port is blocked, a user pushes the spherical probe to be inserted into the flour, and after the whole probing long pipe is immersed into the flour, the whole probing long pipe is inserted into the flour.

The invention relates to the technical field of roller machining, in particular to a high-precision diamond roller profile detection device which comprises a base connected with a mounting seat through a moving structure. The rear side of the base is further connected with a base through a first hydraulic cylinder, the front side of the base is further provided with a supporting seat through a second hydraulic cylinder, and the supporting seat is further connected with a base plate through a driving structure. The base plate comprises a center plate and a supporting plate. A trimming block is arranged on one supporting plate through a connecting structure; a confocal microscope is further arranged on the next adjacent supporting plate in the clockwise direction of the center plate; a detection probe is further arranged on the next adjacent supporting plate in the anticlockwise direction of the center plate, and a spherical probe head is further arranged at the front end of the detection probe. Through data fusion of a traditional detection probe and an optical sensor, high efficiency of an optical method can be utilized, high precision of critical dimensions can be guaranteed, and unmanned and self-adaptive finishing-measurement-compensation closed-loop control of precision machining is achieved.