91results about How to "Evenly sampled" patented technology

The invention relates to a cervix brush, comprising a sheath tube, a core pole, a scraper, villus and a guiding head; wherein, the scraper, the guiding head and the sheath tube are formed by integrated injection molding, the guiding head is arranged at the foremost end of the sheath tube, the scraper comprises six plastic strips which can be detached to triangles, the front end of the scraper is connected with the guiding head, the back end of the scraper is connected with the sheath tube and a easy folded groove is arranged between the connection and the scraper, the core pole is axially sleeved in the sheath tube and is slideable, the head of the core pole is fixed in the guiding head, the villus is cultivated at the front ends of the guiding head, the scraper and the sheath tube, the stress on the surface of the cervix from the six scrapers which can be furled and spread is uniform, in particular that the cells at area with high incidence of the cervical cancer from the one third part outside of the cervical canal to the external cervical orifice can be gotten by the cervix brush. The cervix brush has the advantages of small radial direction size, convenient operation and low manufacturing cost.

The invention discloses a portable minimally invasive sampling machine and application thereof. The portable minimally invasive sampling machine comprises an air compressor, an air conveying pipe, an arc-shaped milling cutter, a pneumatic motor, a swinging mechanism, an adjusting mechanism, a fixed support and a locking chain; the whole machine is fixed on a test sample to be sampled by the fixed support and the locking chain; the distance between the arc-shaped milling cutter and the surface of the test sample is adjusted through the adjusting mechanism; and the pneumatic motor and the swinging mechanism are driven by the air compressor respectively so that the arc-shaped milling cutter is driven to carry out efficient minimally invasive sampling on the surface of the test sample. According to the technical scheme, aiming at in-service equipment at a high temperature, the tiny test sample can be cut from the in-service equipment in an efficient and minimally invasive manner, and tissues of metal materials have no damages; and the portable minimally invasive sampling machine can also be applied to material sampling of a sensitive position which is difficult to sample and analyze, such as a welding line or a heat influence region, and equipment and a pipeline without damage sampling conditions, and furthermore, the difficulty of estimating material performances of the in-service equipment is solved.

The invention discloses a soil sampler for biological soil enzyme activity determination. The soil sampler comprises a handheld rod and a limiting frame; the lower end of the handheld rod is fixedly connected with the limiting frame; a movable sleeve is fixedly connected to the middle of the limiting frame; the lower end of the handheld rod is symmetrically connected with one ends of two telescopic rods; when a motor rotates, a rotating shaft can be driven to rotate, so that a sampling cylinder is driven to move downwards; the sampling cylinder can move downwards better due to the existence ofa spiral blade, so that the sampling can be performed better, the manual sampling is facilitated, and the labor force is reduced; the lower end of the spiral blade and the lower end of the sampling cylinder adopt conical structures, and in the sampling process, the sampling cylinder can enter the soil more easily, so that the sampling efficiency is improved; after the sampling is finished, in theprocess that a scraping plate moves downwards, a soil sample is pushed downwards, so that the soil sample is pushed out; and meanwhile, the inner side wall of the sampling cylinder is scraped by thescraping plate so as to ensure that the next sampling can be very smooth.

Belonging to the technical field of environmental pollution detection, the invention relates to a contaminated site sampling device and a seepage pollution detection system. The sampling device comprises: a sampling body, a liquid collection tank, a vacuum pumping component, a pressurization component and a sampling bottle. The sampling body is a porous ceramic structure, and the liquid collection tank is an internally enclosed cavity structure, is arranged above the sampling body and is communicated with the sampling body through an infusion tube. The vacuum pumping component is communicated with the liquid collection tank through a pipeline. The pressurization component is communicated with the liquid collection tank through a pipeline. The sampling bottle is communicated with the liquid collection tank through a sampling tube. The detection system comprises a plurality of sampling devices. The sampling bodies and liquid collection tanks in the plurality of sampling devices are fixed at a plurality of sampling points set at the contaminated site, and the plurality of sampling points are located at different depths. The contaminated site sampling device and the seepage pollution detection system provided by the invention can perform long-term continuous sampling and monitoring on contaminated soil, and have the advantages of comprehensive monitoring information, convenient installation and sampling, real-time and efficient monitoring, and accurate seepage detection position.

The invention provides an adjustable depth sampling frame structure for environmental engineering water quality monitoring, which comprises a base bracket, a gearbox and sampling pipe heads. The top of the base bracket is fixedly connected with one set of gearbox; a rotating shaft of the gearbox is coaxially and fixedly connected with one set of gear; the lower parts of telescopic rods are tightlyconnected with a set of sampling pipe heads by pipe brackets; and the sampling pipe heads are connected with sampling pumps. By arranging a gear and rack drive mechanism and a driving belt drive mechanism and arranging sliding connection plates and fixed connection plates, when four sets of sampling pipe heads regulate a depth, distances among the sampling pipe heads can be guaranteed to be equal, so that a water body can be uniformly sampled, thereby improving sampling accuracy, reducing an error and facilitating accurate detection management on water quality; and the adjustable depth sampling frame structure can be driven by the gearbox, so that automatic regulation of the sampling depth is implemented and manual labor is reduced.

The invention relates to an agricultural soil sampling apparatus, and concretely relates to a handheld soil in situ sampler. The sampler comprises a first handle, a sampling rod, a ring cutter bit, a soil pushing rod and a soil cleaning piston, wherein one end of the sampling rod is connected with the first handle, and the other end of the sampling rod is connected with the ring cutter bit; the sampling rod has a hollow internal structures, the soil cleaning piston is inserted into one end of the sampling rod and moves back and forth along the length direction of the sampling rod, the soil pushing rod is inserted into the other end of the sampling rod, and the soil pushing rod is pulled out of the sampling rod during sampling; the sampling rod is provided with a sampling groove convenient for cleaning residual soil through the soil pushing rod, and a soil sample sampled by the sampling rod is pushed through the soil cleaning piston, and is collected. The sampler has the advantages of simple structure, time and labor saving, convenient carrying, safe and convenient soil sampling, guarantee of in situ soil sampling, uniform sampling, reaching of soil sampling requirements.

The invention discloses an air flow sampling device for a pulverizing system. The air flow sampling device comprises a sampling pipeline, an air flow pretreating device and an air flow terminal analysis device, wherein the sampling pipeline is connected with the pulverizing system; one end of the air flow pretreating device is connected with the sampling pipeline, and the other end of the air flow pretreating device is connected with the air flow terminal analysis device; and the sampling pipeline is provided with a heating insulation device. According to the invention, the sampling pipeline is provided with the heating insulation device, so that air flow in the sampling pipeline is prevented from being subjected to dewing phenomena, and dewing does not occur to the interior of the sampling pipeline, therefore, coal powder contained in the air flow can not harden on the surface of the sampling pipeline, thus the smoothness of sampling the air flow at the outlet of the pulverizing system is ensured; and different heating temperatures can be set according to different coal powder moisture contents, and the insulation device is made of an environmentally-friendly material, can achieve heating insulation and dewing-preventing effects and is energy-saving and environmentally-friendly.

The invention discloses a reinforced concrete buried pipeline anticorrosive coating detection device based on man-machine interaction, which relates to the technical field of pipeline construction, and solves the problems that an existing pipeline anticorrosive coating detection device cannot accurately reflect the thickness condition of a pipeline anticorrosive coating due to a small number of sampling points and is high in labor intensity of workers, troublesome in operation, time-consuming, labor-consuming and low in detection efficiency due to manual detection. The device comprises a base;the top of the front end face of the base is slidably connected with a set of sliding seats; a set of supporting sliding seats are slidably connected to the rear portion of the right side of the base; a set of supporting adjusting driving lead screws are rotationally connected to the rear portion of the right side of the base; and a set of supporting adjusting driven lead screws are rotationallyconnected to the rear portion of the left side of the base. The device is good in uniformity of sampling sample points, guarantees the measurement precision, can better reflect the thickness of an anticorrosive coating, can achieve the supporting and measurement of pipelines with different diameters, is very good in universality, is convenient to use, is simple in operation, and is high in detection efficiency.

The invention discloses an endometrium sampling device and belongs to the field of medical apparatus and instruments. The endometrium sampling device comprises a lead-in pipe and a sleeve core, the lead-in pipe is arranged on the sleeve core in a sleeving mode, the front end of the sleeve core is provided with a plug, the tail end of the sleeve core is provided with a sleeve core holding handle, the front end of the sleeve core is provided with an anti-twist sampling segment, and the anti-twist sampling segment is fixedly connected with the plug. The endometrium sampling device is uniform in sampling, a reliable diagnosis result can be obtained, the pain of a patient is reduced, and endometrium sampling device has good application and popularization value.

The invention discloses a method for precisely quantitating the oil content in hogwash oil. The method comprises: S1, measuring the weight m[container] of a measuring container by a weighing tool; S2,adding a certain amount of preheated hogwash oil to the measuring container, and measuring the total weight m[total] of the measuring container containing the hogwash oil by the weighing tool; S3, placing the measuring container containing the hogwash oil in a centrifugal separator, and carrying out centrifugal separation; S4, obtaining the oil liquid in the measuring container, and measuring theweight m[oil] of the oil liquid by the weighing tool; and S5, obtaining the oil content in the hogwash oil according to a formula n=m[oil]/(m[total]-m[container])*100%. According to the present invention, the design of the technical scheme is exquisite; the layering of the oil, the water and the solid in the hogwash oil can be rapidly achieved by using the centrifugal separation principle so as to effectively extract the oil liquid in the uppermost layer, such that the oil content in the hogwash oil can be precisely calculated through the formula, the accuracy is high, and the data is quantified so as to establish the foundation for the rapid determination of the oil content in the hogwash oil and provide the effective basis for the purchaser in the cost determination.

The invention discloses a sampling method of a solution method for asphalt component separation. The sampling method comprises the steps that a round-bottom flask is weighed; matrix asphalt is added to the round-bottom flask; activated normal heptane is added to the round-bottom flask; heating and mixing are conducted to allow the matrix asphalt to be sufficiently dissolved in activated normal heptane; the matrix asphalt is boiled, transferred to a dark place for standing, and filtered with filter paper to form a filtrate; the filtrate is subjected to constant volume with activated normal heptane; a plurality of parts of isometric filtrate subjected to the constant volume are measured; reduced pressure distillation is conducted for removing activated normal heptane; and then corresponding parts of asphaltene-free asphalt samples are obtained. The sampling method solves the problems that the sampling is inaccurate in the existing asphalt component separation sampling, and the aging is caused by repetitive heating of the asphalt. With the adoption of the sampling by the solution method, multiple parts of asphalt samples for a component separation experiment can be obtained once; the operation is simple; the sampling is uniform; the experiment efficiency and the accuracy and reliability of an experiment result are improved; and pollution to experiment instruments is reduced.

The invention discloses a splitter for a sample preparation system. The splitter comprises a box body (1), wherein the top of the box body (1) is provided with a feeding port (1-1); one side of the bottom of the box body (1) is provided with discharging port (1-2) and the other side of the bottom of the box body (1) is provided with a sampling port (1-3), a revolution component (3) which is disposed in the box body (1) through a rotation shaft (5), wherein the rotation shaft (5) is transmittedly connected with a motor (2) disposed out of the box body (1); and sampling groove (4) uniformly disposed at the edge of the revolution component (3) and with the opening facing outward. The discharging port (1-2) is corresponding to a blanking area of the feeding port (1-1); and the sampling port (1-3) is corresponding to a tipping area of the sampling groove (4). The splitter is simple in structure style, small in size, light in weight, uniform in sampling and stable in performance, has no phenomena of material-splashing, material leakage or dust pollution and can significantly increase sample preparation precision.

The invention discloses a sampler with a rolling-over function. The sampler comprises a hood with a filter pipeline, and is characterized in that a charging hopper is arranged on the hood, wherein a sampling channel capable of rotating by 180 degrees is arranged in the hood below the charging hopper; the sampling channel is arranged at one side of the hood by a rotary shaft; a discharging tube communicated with the sampling channel is arranged on the lower end part of the rotary shaft; and the rotary shaft is driven by a motor above. The sampler with the rolling-over function disclosed by the invention is reasonable in design, and capable of regularly sampling while charging; moreover, sampling range is not limited, accuracy is high, the sampling channel is driven by a motor to rotate in the process, charging is carried out once half a circle; and moreover, the sampler sweeps over from a discharging hole of the charging hopper, so that sampling is uniform, and operation of the motor is controlled by photoelectric register control.

The invention provides a land ecosystem carbon cycle research sampling device, which belongs to the technical field of soil detection, and comprises a soil sampling cylinder body, a soil sampling handle, a pedal plate, a movable cover plate and a movable cover plate semi-automatic opening device, wherein a pedal is fixedly connected to the top end of the soil sampling barrel, a soil sampling knifeis fixedly connected to the bottom end of the soil sampling barrel, a sampling window extending along the axis of the barrel is formed in the side wall of the barrel, and scale marks for displaying the sampling depth are engraved in the outer wall, close to the sampling window, of the soil sampling barrel; the center of the upper end surface of the pedal is fixedly connected with a soil samplinghandle through a connecting rod, and the soil sampling handle is located right above the pedal; the upper surface and the lower surface of the soil sampling handle are both fixedly connected with a plurality of anti-skid rubber protruding strips, the sampling window is tightly covered with a movable cover plate, and the movable cover plate is connected with the pedal through a movable cover platesemi-automatic opening device, so that soil can be sampled at any depth, the accuracy of experimental results is improved, and smooth sampling is facilitated.

The invention belongs to the technical field of radiation detection, and relates to an oxidized gel for shallow layer sampling of radioactive contaminated metals and a preparation method of the gel. The oxidized gel comprises the following components in percentage by weight: 5-15% of a gel base material serving as a gel framework material, 5-10% of a surfactant, 0.5-5% of a thixotropic multiplier,3-20% of a strong oxidant, 3-20% of acid and the rest of water. The oxidized gel used for shallow layer sampling of radioactive contaminated metals can be used for shallow layer sampling of radioactive contaminated metals more accurately, smoothly, controllably and intuitively, and radiation damage to operators in the sampling process is reduced.

The present invention discloses a soil sampling device based on environmental protection detection. The soil sampling device comprises a base, connecting rods, a mounting plate, a sampling mechanism,a drilling mechanism, an adjusting mechanism, fixing blocks and universal wheels, the multiple fixing blocks are fixed to the lower end of the base, the universal wheels are mounted at the lower endsof the multiple fixing blocks, and the multiple connecting rods are fixed to the upper end of the base; and the mounting plate is fixed to the upper ends of the multiple connecting rods, the adjustingmechanism is arranged between the mounting plate and the base, and the sampling mechanism and the drilling mechanism are mounted on the adjusting mechanism. According to the soil sampling device, soil can be fixed in the sampling process, and it is avoided that part of the soil falls off in the extraction process, so that the detection result is inaccurate.

The invention discloses an unmanned aerial vehicle capable of realizing smooth sampling of lake water based on inlet and outlet pipes. The unmanned aerial vehicle provided by the invention overcomes the problems of low sampling efficiency, potential safety hazards and unsmooth sampling in water sampling of a target water area in the prior art. The unmanned aerial vehicle comprises a main body of the unmanned aerial vehicle drone, an undercarriage, a wing, a balance wing, a forward-and-backward rotating motor, a winding box, a rotating shaft, a cable, a cable inlet and outlet and a water sampling bottle, wherein the water sampling bottle comprises a water sampling bottle main body, a sample water inlet pipe, an air outlet pipe vertically arranged on the top of the water sampling bottle body, and a drop-weight lead block fixed on the bottom of the water sampling bottle main body; the sample water inlet pipe and the air outlet pipe are respectively provided with a water inlet pipe solenoid valve and an air outlet solenoid valve both in functional connection with an unmanned aerial vehicle control system; and a screen mesh is arranged at the inlet end of the sample water inlet pipe. The unmanned aerial vehicle of the invention has the advantages of simple structure, scientific and reasonable design and convenient use; and operators can sample the water in a target water area on theshore or away from unknown waters, and sampling is efficient, safe and smooth.

The invention discloses a sediment sampling device for ocean engineering, and relates to the technical field of sediment sampling devices, the sediment sampling device comprises a device rack, the side wall of the device rack is connected with a plurality of winding drum supports, and the winding drum supports are provided with sampling device hanging coil assemblies used for sampling and collecting samples; and a swing reducing unit capable of reducing the sampling swing is mounted on the sampling device lifting coil assembly. According to the automatic sediment sampling device for the deep sea area, unwinding is conducted by rotating the hoisting and winding rotating wheel, the sediment sampling barrel is lowered to the seabed, then automatic drilling and sampling sealing are conducted through the sediment sampling barrel, and therefore the automatic sediment sampling work of the deep sea area is completed; the influence of underwater water flow on the lifting coil assembly of the sampling device is reduced, so that the sampling position is more accurate, and the position of a sample in the seabed can be judged, thereby facilitating accurate sampling.