41results about How to "Increase the sampling area" patented technology

A diameter and density distribution analyzer of scanning nozzle atomizing fog drop is used in measuring instrument technical field, comprising programmable guide rail support, two microadjustment bearer, particle diameter and density optical sensor, A / D converter and computer. The particle diameter and density optical sensor is of isolating construction and consisted of transmitting terminal and receiving end which are installed on microadjustment bearer fixed on programmable guide rail support, electro optical signal 10 collected by transmitting terminal and receiving end is transferred to receiving end of A / D converter from which digital signal is transferred to computer. The invention is mainly used in atomizing field research of various nozzles, without special requirement to work medium of atomizing field, and it can even be used to measure special distribution of solid state particle diameter and density in jet stream with gas and solid two states, its has large sampling area, small measurement error of density, its measuring course is easy to be automation and experimental measurement period is short.

The invention relates to a soft cloth subsealing type shallow water undisturbed surface sediment sampler comprising a sampling sleeve, a sampling mechanism and a sampling liner. The soft cloth subsealing type shallow water undisturbed surface sediment sampler is characterized in that the sampling sleeve comprises a sampling drill bit, a sampling cylinder, an outer counterweight deckle board, an upper cover plate and a hard connecting rod; the sampling mechanism comprises a lifting rope, a lifting rod, a lifting rod fixing frame, a side face connecting shaft, a side face connecting shaft baffle, a cable wire, a pulley, a slide rail of side face connecting shaft, a bottom connecting shaft, soft waterproof subsealing cloth, a spring bolt and a fixing mechanism of soft waterproof subsealing cloth; and the sampling liner comprises a sampling liner outline border, a sampling liner soleplate and a sampling liner soleplate inserting mechanism. The soft cloth subsealing type shallow water undisturbed surface sediment sampler disclosed by the invention has the advantages of large sampling area, high sampling success rate, non-damage on physical structure and sequence structure of surface sediment, and the like, and the sampler is capable of meeting collecting demand of shallow water surface sediments and is particularly suitable for collecting surface sediment samples within 3m water depth.

An explosive and narcotics detection system detects the presence of trace particles of materials that are adhering to surfaces. In order to detect such particles, to the particles are first dislodged or released from the surface, then transported to the detection instrument, and then accumulated on or in a particle collection device. When the sample collecting system and the target surface are in relative motion across the line-of-sight greater than fifteen centimeters per second, non-contact sample collection may be accomplished using a vortex or vortex attractor particle collector together with a plurality of air or aerosol jets. A plurality of large diameter vortex collectors may obtain samples at relative line-of-sight velocities greater than five feet per second over a large surface area and for a complex-shaped surface.

An explosive and narcotics detection system detects the presence of trace particles of materials that are adhering to surfaces. In order to detect such particles, to the particles are first dislodged or released from the surface, then transported to the detection instrument, and then accumulated on or in a particle collection device. When the sample collecting system and the target surface are in relative motion across the line-of-sight greater than fifteen centimeters per second, non-contact sample collection may be accomplished using a vortex or vortex attractor particle collector together with a plurality of air or aerosol jets. A plurality of large diameter vortex collectors may obtain samples at relative line-of-sight velocities greater than five feet per second over a large surface area and for a complex-shaped surface.

The invention provides a multi-channel automated chamber system, comprising an air compressor, an infrared CO2 analyser, a buffer, a drier, a filter, a flowmeter, an air pump, a data acquisition unit and a plurality of chambers, wherein, an air cylinder is arranged between the side wall and an upper cover of each chamber, the air compressor is connected with a multi-ported valve which has a plurality of branches, each branch is provided with an electromagnetic valve, each gas branch is connected with the air cylinder inside each chamber; each chamber is connected with one multi-ported valve by a gas branch provided with an electromagnetic valve and the gas branch is connected in sequence with the buffer, the drier, the filter, the flowmeter, the infrared CO2 analyzer and the air pump and then is connected with another multi-ported valve; each branch of the multi-ported valve is connected with each chamber, each branch is provided with an electromagnetic valve to form a circulating gas path; the infrared CO2 analyzer is connected with the data acquisition unit by a circuit; the electromagnetic valve which is connected with the air cylinder and controls the extension of the air cylinder and the electromagnetic valve which is arranged on the chamber and is used for controlling the circulating gas path are connected with a logic controller by the circuit. The system has the advantages that the reaction speed is high, the efficiency is high, the all-weather continuous and circular detection of a plurality of places is realized, and the influence on the target to be detected is small.

The invention belongs to the related field of ink-jet printing visual inspection, and discloses a fused ink detection device suitable for large-area substrate printing. The device comprises a substrate conveying module, a camera motion module and a jet printing detection module. The substrate conveying module comprises a substrate bearing device, an X-direction motion mechanism and a position feedback device. The camera motion module comprises a rack, a Y-direction motion mechanism and a Z-direction motion mechanism. The jet printing detection module comprises multiple sets of cameras, lensesand light sources. The cameras move relative to the direction X and the direction Y between substrates for image collection and image splicing. The invention further discloses a corresponding method used for acquiring fused ink images and detecting defects, uniformity and other performance. Meanwhile, a printing effect can be evaluated according to the detection result. By means of the fused ink detection device and method, ink-jet printing and fused ink detection can be achieved on the same device, and high-efficiency and high-accuracy defect and uniformity detection can be carried out on fused ink on the large-area substrates.

The invention discloses a vaginal discharge sampling device for obstetric clinical application and relates to the field of vaginal discharge sampling devices. In order to solve the problems that existing vaginal discharge sampling devices are inconvenient to use, low in comfort and limited in sampling area, the following scheme is provided: the vaginal discharge sampling device comprises a main barrel and an arc-shaped plate, wherein a first hinge is arranged between the arc-shaped plate and the main barrel, a first threaded barrel is arranged on the right inner wall of the main barrel, a second threaded barrel is sleeved with the first threaded barrel, a round rod is sleeved in the second threaded barrel, a sliding groove is formed in the left inner wall of the main barrel, a handle is fixedly connected to the right end of the round rod, the left end of the round rod is fixedly connected with a connecting disc, a sampling cotton head is connected to the connecting disc, the left sideof the round rod is sleeved with a cylinder, and multiple sliders are fixedly connected to the outer surface of the cylinder. The device has the characteristics that the device is convenient to operate and adjust and wide in sampling area, besides, the arc-shaped plate can be opened in a vagina and the comfort is improved.

The invention discloses a workpiece curvature detection system and method. The system comprises a sensor and a data processing module, wherein the data processing module comprises a segmentation module, a curvature rough measurement module and a curvature accurate measurement module. The sensor is used for collecting data of a plurality of discrete points on the plane and the curved surface, and projections of the plurality of discrete points on the plane are on the same straight line. The segmentation module is used for segmenting the plurality of discrete points into a set of discrete pointson a straight line and a set of discrete points on an arc line. The curvature rough measurement module is used for calculating an arc circle parameter range in combination with a geometric method anda least square circle fitting method and taking the arc circle parameter range as a parameter space search range of a Hough transform method. The curvature accurate measurement module is used for obtaining an actual curvature parameter space of the arc by adopting a Hough transform method and calculating a curvature accurate value of the arc by using a probability model. The system provided by the invention has the advantages of small noise influence, strong robustness and more accurate measurement.

The invention discloses an integrated mobile monitoring vehicle. The integrated mobile monitoring vehicle comprises a vehicle body and is characterized in that a detection chamber, a control chamber and a power supply chamber are successively arranged in the vehicle body; dust detection devices are arranged in the detection chamber; a control computer used for receiving and storing information anda data analyzing device used for receiving detection data and analyzing the received detection data are arranged in the control chamber; an electronic map is arranged in the control computer; a powersupply device is arranged in the power supply chamber; a ground dust sucking device is arranged at the front end of the vehicle body and is communicated with the dust detection devices; dust discharging pipes are arranged at the bottom of the vehicle body; an air detection device is arranged at the upper end of the vehicle body; a camera is arranged on the rear side of the vehicle body and is connected with the control computer. The monitoring vehicle is capable of dynamically detecting the content of the dust on the whole ground in real time; the problems of low efficiency and high contingency of the current manual detection are solved; the working efficiency is improved; the safety of workers is ensured.

The invention discloses combined intelligent water source sampling analysis equipment for environmental monitoring, which comprises a sampling pipe and a movable sampler, the sampling pipe is fixedly mounted in a monitored water area, and the top of the sampling pipe is exposed out of the water surface and is in threaded connection with a joint pipe; and a quick connector is arranged at the bottom of the movable sampler, and the movable sampler is in quick sealing connection with the connector pipe through the quick connector. The combined intelligent water source sampling analysis equipment for environmental monitoring integrally adopts a combined structure, the sampling pipe is matched with the movable sampler, multi-point sampling can be carried out on a water source area, the sampling area is wide, and meanwhile, the sampling pipe is simple in integral structure, low in cost and beneficial to wide arrangement; and the sampling tubes are internally provided with the height-adjustable sampling inner boxes, water sources at different water levels can be sampled according to needs, each sampling tube is marked, and the position information of the sampling tubes is quickly read through the RFID chips, so that intelligent statistics is facilitated, and convenience and rapidness are realized.

The utility model relates to a scanning nozzle atomization field droplet size and concentration space distribution analyzer, which is used in the technical field of measuring instruments. The invention includes: a programmable control rail frame, two fine-tuning supports, an optical sensor for particle size and concentration, an A / D converter and a computer. Among them, the particle size and concentration optical sensor is a separate structure, consisting of a transmitting end and a receiving end. The photoelectric signal is connected to the input end of the A / D converter through the wire, and the digital signal output by the A / D converter is transmitted to the computer through the wire. The invention is mainly applied to the spray field research of various nozzles, and has no special requirements for the working medium of the nozzles, and can even be used to measure the particle size and concentration spatial distribution of solid particles in the gas-solid two-phase jet flow, with a large sampling area, The concentration measurement error is small, the measurement process is easy to automate, and the experimental measurement cycle is short.

The invention discloses a gynecological clinical vaginal secretion sampling device. The device comprises a sleeve, wherein protective covers are hinged to the two ends of the bottom of the sleeve, a fixing plate is welded to the inner wall of the bottom of the sleeve, a mounting sleeve is rotatably connected to the fixing plate, a sampling rod is movably connected to the interior of the mounting sleeve, and a worm ring is welded to the outer surface of the fixing plate; and a double-shaft motor is fixedly connected to the inner wall of the left side of the sleeve. Through combination of various structures, the device replaces traditional cotton swab sampling with instruments and equipment, working efficiency is improved, a problem of medical infection is avoided, the device is driven by adouble-shaft motor, the sampling area is increased, the device can be operated with one hand, embarrassment between doctors and patients is avoided, and the device is convenient to use and high in practicability. According to the device, an obtained sample is conveniently transferred through extraction and movable connection of the needle cylinder, the sampling rod is convenient to disassemble, clean and protect, the service life of the device is prolonged, and the cost is saved.

The invention relates to a pleura biopsy puncture sampling brush, structurally comprising a puncture needle drum with the front end being a sharp end, and a needle rod connected in a core hole of the puncture needle drum in an inserting manner, wherein a top opening of the core hole of the puncture needle drum is opened on the side wall of the front end of the puncture needle drum after rotating by an angle not less than 90 degrees; the top part of the needle rod is connected with an elastic brush rod axially extending out; and brushing hair extending out transversely towards one side is connected on the elastic brush rod. In the pleura biopsy puncture sampling brush, the pleura tissue cells around the puncture point are brushed by utilizing planar rotation of a hair brush, so that the planar sampling with circular sweeping of the hair brush is realized, the sampling area is greatly increased, and the possibility of finding out the characteristic tissue cells is also increased. After clinical trial, the one-time sampling success rate can reach more than 40%. In the pleura biopsy puncture sampling brush, the structure is simple, the design is reasonable, and the sampling is reliable; and when the pleura biopsy puncture sampling brush is used for pleura biopsy sampling, the wound surface is small, the pain of a patient is less, and the restoration is easy.

The invention discloses a portable seabed in-situ shallow-surface sediment sampling device, and relates to the technical field of seabed sampling. A fixing plate is externally connected to a handle; outer cylinders are fixedly arranged on the fixing plate and evenly distributed on the outer side of a lead screw, the bottom ends of the outer cylinders are conical, open grooves A back to the lead screw are formed in the side faces of the outer cylinders, and open grooves B right opposite to the lead screw are formed in the side faces of the outer cylinders. Each rotating shaft is arranged in thecorresponding outer cylinder; the sampling barrels are arranged on the rotating shafts, and sampling ports corresponding to the open slots A are formed in the side surfaces of the sampling barrels; gears A are fixedly arranged on the rotating shafts and are over against the open slots B of the outer cylinders; the gears B are rotationally arranged on the screw rod, and each gear B is matched withthe three gears A at the same time. The device has the beneficial effects that the defects of complicated operation and low sampling success rate when the seabed sediment samples are obtained by a traditional method can be effectively avoided, and the sediment samples at different layers of the seabed can be obtained by one-time diving operation.

A laser interference lithography system with flat-top intensity profile comprises a laser source for emitting a coherent laser beam, a first beam expander for adjusting the coherent laser beam size, a refractive beam shaper for converting a Gaussian intensity profile inherent to the coherent laser beam into a flat-top one and outputting a first collimated laser beam, a second beam expander for receiving the first collimated laser beam and outputting a second collimated laser beam, a sample holder for holding a substrate, and at least one reflector for reflecting the second collimated laser beam to generate a third collimated laser beam. The second and third collimated laser beams are transmitted to the substrate at a predetermined angle to create an interference pattern exposed onto the substrate.

An objective lens attachment (10) positions a microsphere lens (13) between the objective lens (2) and a sample. The attachment (10) is adapted to position the microsphere lens at a desired separation from the objective lens (2) to provide optimal super resolution imaging performance. The objective lens attachment (10) comprises a cap (14) having a substantially tubular body (15) and a top (16). The top (16) is provided with a contact surface (17) surrounding an aperture (18). The aperture (18) is aligned with the objective lens when the cap (14) is fitted to the objective lens housing (3). A support sheet (11) formed from optically clear material is affixed to the cap (14). Upon the support sheet (11) is provided an adhesive layer (12). Affixed to the adhesive layer (12) is a microsphere lens (13), the microsphere lens being aligned with the centre of the objective lens (2).

The invention discloses a soil pathogenic microorganism test sample storage box. The box comprises a box body, a box cover, refrigeration equipment arranged on the box body, a partition frame and multiple sample storage cases; scales are arranged on the outer walls of the sample storage cases in the height direction, a label sticking area is arranged on the upper back edge of each sample storage case, and an indication label used for indicating geographical location information of a soil pathogenic microorganism test sample stored in the corresponding sample storage case is stuck to each labelsticking area. The box has the advantages that the multiple sample storage cases are used for storing soil samples at the different geographical locations in the same area conveniently, and the soilsamples are placed centrally, so that the occupied area is small; according to the indication labels on the sample storage cases, the soil samples of the needed geographical location can be sought rapidly, soil sample seeking is facilitated, box body refrigeration is facilitated through the refrigeration equipment, pathogenic microorganisms in the soil samples stored in the box body can keep living in the original area temperature environment as much as possible, changing is avoided, and then the use effect is good.

A device for detection of a substance by Raman spectroscopy comprises a holder (40) with an area (41) adapted for receiving a sample of the substance and a vibration engine (42). The vibration engine (42) is configured to move the holder (40) in a three-dimensional motion when the area (41) with the substance is arranged in front of a focusing lens (FL) of the spectrometer to provide a large actual sampling area and hence to achieve a strong signal at detection. The device comprises a SERS surface (30) arranged at the area (41) of the holder (40) for adsorption of the sample of the substance. A method for detection of a substance by use of the device is also presented.

The invention discloses a high-flux laser system suspended particle sampling device and method, belonging to the environment measurement field. The device is mainly composed of an upper template and a lower template, wherein the upper template is provided with 12 or more round slots by etching; a through concentric circle is arranged at the bottom of the round slot; a copper wire mesh is placed in the round slot; the lower template is provided with a copper wire mesh fixing circular ring by etching in a position corresponding to the round slot of the upper template, the copper wire mesh fixing circular ring is used for fixing the copper wire mesh in the round slot of the upper template and matches with the round slot, a through hole is formed by etching in the copper wire mesh fixing circular ring, the upper template concentric circle and the through hole in the copper wire mesh fixing circular ring are in through-communication; and the upper and lower templates are provided with position-corresponding threaded holes respectively, and can completely fit with each other and fix the inventive device at a laser gas outlet for sampling after the upper and lower templates are butt-jointed. The inventive method can realize simultaneous sampling by a plurality of copper wire meshes at one time, and has large sampling area. The inventive device is portable, and suitable for sampling suspended particles and aerosol at the container port.

The invention relates to a layered large sampling area sampling method for marine benthic animals. The method comprises the following five steps of step 1, determining coordinates of an ocean samplingpoint through GPS equipment; step 2, throwing a quadrat to a region where the ocean sampling point is located and marking the position of the quadrat as an underwater sediment sampling region; step 3, collecting image information of the underwater sediment sampling region through imaging equipment; step 4, horizontally putting a sampler with scales into the underwater sediment sampling region ofthe step 2, and enabling the put sampler to be flush with the seabed; and step 5, layeredly collecting the sediment in the sampler and then layeredly placing the sediment in a sampling barrel and sealing. According to the layered large sampling area sampling method for the marine benthic animals, a sediment sample can be directly layeredly collected within the range of the quadrat, so that the completeness and representativeness of the benthic animals in the collected sediment are ensured. The method has the advantages of high operation controllability and accurate sampling. According to the method, the range of the collected sediment is 0.25 to 1.0 square meter, and the sampling area of a bottom sampler in the prior art is greatly improved, so that the representativeness of the sample isimproved.

The invention provides a multi-channel automated chamber system, comprising an air compressor, an infrared CO2 analyser, a buffer, a drier, a filter, a flowmeter, an air pump, a data acquisition unit and a plurality of chambers, wherein, an air cylinder is arranged between the side wall and an upper cover of each chamber, the air compressor is connected with a multi-ported valve which has a plurality of branches, each branch is provided with an electromagnetic valve, each gas branch is connected with the air cylinder inside each chamber; each chamber is connected with one multi-ported valve by a gas branch provided with an electromagnetic valve and the gas branch is connected in sequence with the buffer, the drier, the filter, the flowmeter, the infrared CO2 analyzer and the air pump and then is connected with another multi-ported valve; each branch of the multi-ported valve is connected with each chamber, each branch is provided with an electromagnetic valve to form a circulating gas path; the infrared CO2 analyzer is connected with the data acquisition unit by a circuit; the electromagnetic valve which is connected with the air cylinder and controls the extension of the air cylinder and the electromagnetic valve which is arranged on the chamber and is used for controlling the circulating gas path are connected with a logic controller by the circuit. The system has the advantages that the reaction speed is high, the efficiency is high, the all-weather continuous and circular detection of a plurality of places is realized, and the influence on the target to be detected is small.

The embodiment of the invention relates to the technical field of bioengineering and discloses an air microorganism sampling device. The air microorganism sampling device comprises an endurance inhalation module, a sampling area enlarging module and a monitoring module. The endurance inhalation module is provided with an inhalation part, and the inhalation part is provided with an inhalation opening end. The sampling area enlarging module is provided with a silica gel hopper, and the silica gel hopper is provided with a first port and a second port. The inhalation opening end of the inhalation part is tightly connected with the first port of the silica gel hopper. The surface of the inhalation part is buckled with the monitoring module. The second port of the silica gel hopper is used for fixing a sampling module. When the inhalation part works, air sequentially passes through the sampling module, the sampling area enlarging module and the endurance inhalation module from the outside of the sampling module and then flows out of the air microorganism sampling device. The monitoring module is used for monitoring the air flowing through the endurance inhalation module to obtain environment quality data. By means of the air microorganism sampling device, the problems that the capture rate and the sampling efficiency are low in the sampling process can be solved.

The invention provides a detection reagent for epithelial tissue cancer cells and a preparing and detecting method. The detection reagent for the epithelial tissue cancer cells is high in detecting sensitivity and reliable in detecting result. According to the detecting method, a whole-process sealing pushing-injecting mode is used, stimulation on a patient from special stink from a solution is avoided, meanwhile, time of solution and air contacting is shortened, a false positive result caused by quick oxidation is avoided, and detecting result accuracy is fully guaranteed. The detection reagent for the epithelial tissue cancer cells comprises, by weight, the components of 0.03%-2% of methylene blue, 5%-10% of fructose, 0.1%-1% of ascorbic acid, 1%-5% of folic acid, 40% of dimethyl sulfoxide, 3%-5% of acetic acid-sodium acetate buffer solution, 0.1%-1% of surface active agent and the balance of purified water.

The invention relates to a periphyton sampling method suitable for a river with a high flow rate and a high sand content. A sampler composed of a base plate and a cover plate which are hinged to eachother is adopted, the base plate and the cover plate can be locked through a lock catch so that the base plate and the cover plate can be attached together, a hollowed-out sampling window is formed inthe cover plate, and a handle is arranged at the hinged position of the base plate and the cover plate. The periphyton sampling method comprises the following steps of placing a polyester film at a sampling window of the sampler, connecting a handle by using a tether, lowering the sampler at a preset place of a river, adjusting the sampler to a predetermined water layer, fixing the tether, and placing for a specified time, lifting the sampler out of the water surface, cutting the polyester film with a preset area in the sampling window, and collecting attached periphytons into the sample bottle. The method can be applied to collecting the periphyton in river sections with a high silt content and a high flow and a high flow rate.

The invention relates to a soft cloth subsealing type shallow water undisturbed surface sediment sampler comprising a sampling sleeve, a sampling mechanism and a sampling liner. The soft cloth subsealing type shallow water undisturbed surface sediment sampler is characterized in that the sampling sleeve comprises a sampling drill bit, a sampling cylinder, an outer counterweight deckle board, an upper cover plate and a hard connecting rod; the sampling mechanism comprises a lifting rope, a lifting rod, a lifting rod fixing frame, a side face connecting shaft, a side face connecting shaft baffle, a cable wire, a pulley, a slide rail of side face connecting shaft, a bottom connecting shaft, soft waterproof subsealing cloth, a spring bolt and a fixing mechanism of soft waterproof subsealing cloth; and the sampling liner comprises a sampling liner outline border, a sampling liner soleplate and a sampling liner soleplate inserting mechanism. The soft cloth subsealing type shallow water undisturbed surface sediment sampler disclosed by the invention has the advantages of large sampling area, high sampling success rate, non-damage on physical structure and sequence structure of surface sediment, and the like, and the sampler is capable of meeting collecting demand of shallow water surface sediments and is particularly suitable for collecting surface sediment samples within 3m water depth.

The invention discloses a detecting method for diamond thickening degree on an electroplating abrasive tool surface. The detecting method comprises the following steps: a first step, taking a photo of the abrasive tool by using a high-rate camera; a second step, obtaining a characteristic value of the abrasive tool photo through a computer; a third step, establishing a function between the characteristic value of the abrasive tool photo and the thickening degree; a fourth step, establishing a set of software system, wherein the software can process the characteristic value of a 2D picture taken by the camera and calculates the thickening degree of the abrasive tool through the function between the characteristic value and the thickening degree according to the characteristic value. According to the detecting method for diamond thickening degree on the electroplating abrasive tool surface disclosed by the invention, the detecting equipment requirements are low, the data processing is convenient, only the photo is required to obtain, statistic analysis is performed through the computer software, the data is relatively stable, the reliable sampling area is large, the sampling is frequent, and the data is relatively accurate.

The invention discloses a vibrating optical path assembly, and a laser induced breakdown spectrometer with the assembly. The vibrating optical path assembly comprises an optical platform, a cantilever, a vibration generating device and an optical lens; the cantilever comprises a vertical arm arranged on the optical platform and a transverse arm arranged on the vertical arm, and at least one of the vertical arm and the transverse arm is made of an elastic material; the vibration generating device is arranged on the cantilever, and configured to adjustably generate a first vibration; the optical lens is arranged on the cantilever and is configured to allow lights to go through in order to form a light spot; and the first vibration is transmitted to the optical lens by the cantilever in order to generate a second vibration, and the lights go through the vibrating optical lens to generate a light spot movement phenomenon. The cantilever is used to transmit the vibration generated by the vibration generating device to the optical lens to make the lights, optically transmitted by the optical lens, form the light spot on the surface of a measured substance in order to generate the lightspot movement phenomenon, so the sampling area is increased, the generation of stable plasma is kept, thereby the quantitative analysis with excellent repeatability and accuracy becomes possible.

The invention discloses a pole piece multi-position stripping sampling device. The pole piece multi-position stripping sampling device comprises a cabinet, a motor, a rack, an upper rolling cutter, a lower rolling cutter, a long shaft, a belt and a gear component, the motor is arranged in the cabinet, the rack is mounted on the cabinet, the upper rolling cutter, the lower rolling cutter and the long shaft are sequentially mounted on the rack from top to bottom, the belt sleeves the motor and the long shaft, the upper rolling cutter, the lower rolling cutter and the long shaft are in mutually meshed connection through the gear component, and an upper blade and a lower blade which correspond to each other are arranged on the upper rolling cutter and the lower rolling cutter respectively. The invention further discloses a sampling method of the device. The pole piece multi-position stripping sampling device and method has the advantages that the sampling device and method is convenient and quick in sampling operation, accurate in sampling size, suitable for large-scale sampling, applicable to high-frequency test sampling in the production process and large in sampling area, sampling operation efficiency is improved, and the device can be operated by one person, so that production cost is lowered; measuring errors are small, so that sampling accuracy is guaranteed.