37results about How to "Sampling implementation" patented technology

The invention discloses a pioglitazone hydrochloride sampling device and a use method thereof, and relates to the technical field of medicine sampling, the pioglitazone hydrochloride sampling device comprises a sampling mechanism and lifting fixing rods mounted around the bottom of the sampling mechanism, a fixing structure is arranged at the bottom of the sampling mechanism, beaker fixing seats are symmetrically mounted on one side of the top of the fixing structure, and the beaker fixing seats are symmetrically mounted on the bottom of the sampling mechanism. The sampling mechanism comprises a horizontal moving support, a horizontal moving motor is fixedly mounted on one side of the horizontal moving support, a horizontal threaded rod is fixedly connected to the output end of the horizontal moving motor, a horizontal threaded sleeve is in threaded connection to the outer side of the horizontal threaded rod, and an electric telescopic rod is fixedly mounted at the bottom of the horizontal threaded sleeve. The pioglitazone hydrochloride white crystal powder can be clamped through the sampling tube and the clamping hopper, and meanwhile, the pioglitazone hydrochloride and a corresponding reagent can be mixed to form a flowing sample, so that the pioglitazone hydrochloride can be conveniently detected.

The invention relates to special sampling equipment for peat marsh wetland soil, which comprises a bottom plate, sliding plates are symmetrically arranged at the bottom of the bottom plate, an arc-shaped pressing plate is arranged on the rear side of the bottom of the bottom plate through a bracket, a pushing handle is arranged on the front side of the top of the bottom plate, and a drilling mechanism is arranged in the center of a fixed plate and the bottom plate; a cleaning mechanism is arranged in the sampling mechanism; according to the invention, the following problems can be solved: soil and water in a storage cylinder and a storage cover are separated and collected through cooperation of a moving pipe and a hollow round cake, and then the storage cylinder and the storage cover can be cleaned through the collected water after sampling is completed, so that residual soil is prevented from polluting a sample; through cooperation of the arc-shaped groove and the arc-shaped sampling plate, soil of different depths in the peat marshland can be sampled, and the labor intensity of workers is reduced; and through cooperation of a strip-shaped block and a mud baffle, soil is prevented from entering the cylinder to pollute the inner wall of the cylinder.

The invention belongs to the technical field of rock core drilling and sampling, and particularly relates to a rock core drilling and sampling device for engineering detection and an operation method of the rock core drilling and sampling device. Comprising a base, a drill rod is arranged on the base, a sampling rod is fixedly connected to the bottom end of the drill rod, a drill bit is fixedly connected to the bottom end of the sampling rod, a first opening and a second opening are formed in one side of the sampling rod and communicate with an inner cavity of the sampling rod, a first plugging assembly is arranged at the first opening, and a second plugging assembly is arranged at the second opening. A second plugging assembly is arranged at the second opening, a bottom plate is fixedly connected to the interior of an inner cavity of the sampling rod, a rotating disc is arranged above the bottom plate, and sampling pipes are evenly placed in the rotating disc; through structures such as the first motor, the first sleeve, the second sleeve, the third sleeve, the rotating disc and the sampling pipe, soil at multiple target depths can be sampled in the one-time drilling process, the tedious process of repeated drilling and sampling is avoided, and the working efficiency is improved.

This utility model discloses a rock and soil impact sampling device in the field of geological survey equipment, comprising: an impact component connected to a drilling rig tower via a hoisting rope; a guide tube with an open top and a closed bottom, and the guide tube is slidably connected to the lower part of the impact component, with exhaust structure between the guide tube and the impact component to achieve exhaust; and a sampling tube with an open bottom and a closed top, the top of the sampling tube being detachably connected to the bottom of the guide tube, and a discharge structure provided at the upper part of the sampling tube. The beneficial effects of this utility model are: by opening a discharge hole at the top of the sampling tube, excess soil sample inside the sampling tube can be discharged, thereby enabling sampling of deep soil without increasing the length of the sampling tube. The structure is simple and easy to manufacture.

The utility model relates to the technical field of sampling, in particular to a remineralized gel sampling device for sampling inspection, which comprises a sampling sleeve and a rubber plug, the rubber plug is arranged in the sampling sleeve and matched with the sampling sleeve to form a suction structure, a rubber plug driving structure is arranged at the end of the sampling sleeve, and one end of the rubber plug driving structure is connected with the rubber plug. The rubber plug driving structure drives the rubber plug to slide in the sampling sleeve for suction, the other end of the rubber plug driving structure is provided with a limiting grab handle structure for limiting the movement of the rubber plug driving structure, the sampling sleeve stretches into gel, the limiting grab handle structure relieves the limitation on the rubber plug driving structure, the rubber plug driving structure pulls the rubber plug, and the rubber plug drives the rubber plug to move. Gel enters the sampling sleeve along with pulling of the rubber plug, the sampling sleeve, the rubber plug and the rubber plug driving structure are arranged, the rubber plug is arranged in the sampling sleeve and matched with the sampling sleeve to form a suction structure, and the rubber plug driving structure can drive the rubber plug to move to complete suction of the gel after the sampling sleeve stretches into the needed depth.

This application provides a sampling circuit and an inverter for an inverter. The inverter includes a three-phase output circuit, each phase output circuit including an AC switch connected to the power grid; the side of the AC switch closer to the inverter is connected to an inverter-side inductor and a filter capacitor, and the side closer to the power grid is connected to a grid-side inductor. The sampling circuit includes three resistor sampling units. The first terminal of the first resistor sampling unit is connected to the node between the AC switch and the grid-side inductor in the first phase output circuit, and its second terminal is connected to the node between the AC switch and the grid-side inductor in the second phase output circuit, used to sample the line voltage between the first and second phase output circuits; the second resistor sampling unit is used to sample the line voltage between the second and third phase output circuits; and the third resistor sampling unit is used to sample the line voltage between the third and first phase output circuits. This solution can avoid introducing high-frequency harmonic paths and suppress high-frequency harmonics generated by the sampling circuit.

The utility model discloses an unmanned aerial vehicle water area water taking and sampling device, and relates to the technical field of water quality sampling. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, an undercarriage is arranged on the surface of the unmanned aerial vehicle body, a floating plate is fixedly installed on the surface of the undercarriage, a lifting mechanism is fixedly installed on the surface of the unmanned aerial vehicle body, and a waterproof cover is fixedly installed on the top face of a moving part of the lifting mechanism. And a water storage assembly is arranged on the bottom surface of the moving part of the lifting mechanism. The unmanned aerial vehicle body floats on the water surface under the buoyancy action of the floating plate, the water storage assembly vertically moves through the lifting mechanism, after the water storage assembly is inserted into the sampling depth, the piston is driven by the driving mechanism to vertically move in the water storage assembly, then negative pressure is generated in the water storage assembly, and the water storage assembly is separated from the water storage assembly. Under the action of negative pressure, water pushes away a one-way sealing mechanism to enter a water storage assembly, sampling is achieved, and after sampling, the unmanned aerial vehicle body takes off to achieve sample conveying.

The utility model relates to an automatic oil extraction device for a transformer oil sample. The waste oil barrel is arranged in the sampling box body; the lifting mechanism is arranged in the sampling box body; the oil storage cylinder is driven by the lifting mechanism, the oil storage cylinder comprises a first cavity and a second cavity, the first cavity and the second cavity are isolated through a piston and are adjustable in volume, and the oil inlet end of the first cavity and the oil inlet end of the second cavity are connected to a transformer oil tank through a three-way valve; the oil outlet end of the first cavity and the oil outlet end of the second cavity are communicated to the waste oil barrel through corresponding valves; and the control system is used for discharging oil in the first cavity into the waste oil barrel when the oil storage cylinder discharges oil.

The invention relates to the technical field of soil detection, in particular to a sampling device for soil detection and a using method thereof.The sampling device comprises a support assembly, a removing assembly, a sampling assembly and a shell, and an opening is formed in the bottom of the shell; the clearing assembly comprises a center shaft, a clearing toothed plate and a toothed plate mounting frame, the center shaft is vertically and rotatably arranged in the shell, and the toothed plate mounting frame is fixed to the lower end of the center shaft and arranged in the opening in a penetrating mode; the sampling assembly comprises a plurality of sampling cutting rings, the toothed plate mounting frame is provided with a plurality of through holes penetrating up and down, the sampling cutting rings are mounted in the through holes in a one-to-one correspondence manner, a hammering assembly is arranged in the shell, and the sampling cutting rings move downwards when the hammering assembly hammers; and a main spring is arranged in the shell. The cleaning toothed plate is gradually inserted into the soil by the toothed plate mounting frame under the elastic force of the main spring, so that the topsoil can be stably cleaned and sampled.

The invention relates to a portable fresh tea leaf aroma sampling device, and belongs to the technical field of tea leaf aroma extraction. The FEP gas collecting bag, the atmosphere sampling instrument, the airflow meter, the air filtering device, the aroma adsorption column and the micro gas pump are sequentially communicated through a gas guide hose, and the micro gas pump is communicated with the FEP gas collecting bag through the gas guide hose; the storage battery is electrically connected with the atmosphere sampling instrument and the micro air pump; air circulation is driven by an atmosphere sampling instrument and a field sampling gas micro air pump, the fragrance of the fresh tea leaves is circulated into the fragrance adsorption column to be adsorbed, and field sampling of the fragrance of the fresh tea leaves is achieved; impurities are filtered out through the air filtering device, and the fragrance adsorption column is prevented from being blocked; closed internal circulation air is adopted for aroma adsorption, so that the quantity of impurities is reduced while the aroma adsorption effect is ensured, and the aroma is purer; the device is small in size and convenient to carry to a tea field for sampling, fresh tea leaves are prevented from being oxidized due to long-time transportation, and the accuracy of a detection result is ensured.

The utility model relates to a two-phase sampling device suitable for rivers, lakes and reservoirs, and belongs to the technical field of sampling devices. The top end of the connecting rod is connected with the handle; the water body sampling device is used for sampling water bodies; the monitoring module is used for monitoring water quality of the water bodies; the bottom mud sampling device is connected to the bottom end of the connecting rod and is used for collecting a bottom mud sample. The device is provided with the water sampling device and the bottom mud sampling device at the same time, so that bottom mud samples can be collected while water samples are collected, and various kinds of sampling can be completed at a time. The specific structure of the water body sampling device is designed, automatic water sample collection can be achieved, an operator only needs to manually complete bottom mud sampling, the bottom mud sample and the water sample are collected, and operation is easy.

The invention provides a voltage sampling method and device, computer equipment and a readable storage medium, and the method comprises the steps: judging whether an analog front-end circuit executing a current voltage sampling task is in a fault diagnosis state or not before battery voltage sampling; and if the analog front-end circuit is not in the fault diagnosis state, executing the current voltage sampling task through the analog front-end circuit. By adopting the method, the performance parameters of the battery are obtained.

This application relates to a circuit, method, and radar for detecting ambient light. The circuit for detecting ambient light includes: a photosensitive element for converting a received light signal into a current signal; an electrical signal conditioning circuit coupled to the photosensitive element for converting the current signal into a voltage signal; a detection processing unit coupled to the electrical signal conditioning circuit for converting the voltage signal into a digital signal based on a voltage threshold; and a digital processing unit coupled to the detection processing unit for processing the digital signal to obtain ambient light information. This application can detect ambient light, improve the anti-sunlight noise capability of lidar, improve the accuracy of lidar detection results, and thus enhance the personal and property safety of users.

The utility model discloses a water quality pollution detection device for ecological environment management, and relates to the technical field of ecological environment management. According to the water quality pollution detection device for ecological environment management, a protective net is mounted on the outer side of an electric control valve at the bottom of the detection box through a mounting ring, the electric control valve is protected, large impurities in a water body are filtered out, a piston is driven by a second electric telescopic rod to slide along the inner side of a sampling bin, and air pressure drives the water body to enter the sampling bin from the electric control valve; when the water quality needs to be detected, the motor drives the stirring shaft to rotate, the sampled water body is stirred, so that the water body is more uniform, water quality information is transmitted to the detector through the detection probe, and the detector transmits the information to the control box, so that the information is convenient to input and check; the bolts on the surface of the sealing plate are taken down to release the fixation with the partition plate, so that the sealing plate can be taken down, and the internal structure of the sampling bin is convenient to clean, overhaul and maintain.

This invention relates to the field of sampling equipment technology, specifically to a seabed soil sampling device for marine mapping. It includes a sampling tube for storing sampled soil, a drill bit for drilling into the seabed soil, a piston, a piston rod, and a drive mechanism. The drill bit is fixedly mounted at the bottom of the sampling tube. Several sampling ports are provided on the surface of the sampling tube for the sampled soil to enter, arranged in a ring on the outer surface of the tube. This invention, through the design of the drill bit and sampling tube, features a compact overall structure, making it easy to carry and operate. The unique shape of the drill bit allows it to easily penetrate the seabed soil layer, reducing resistance during sampling and improving sampling efficiency. The ingenious combination of the sampling tube and the drill bit ensures the accuracy and integrity of the sampling, effectively obtaining representative seabed soil samples.

The utility model belongs to the technical field of photoresist production, and particularly relates to a raw material sampling device for photoresist production, which comprises a main pipe, a sliding rod is connected onto the main pipe in a sliding manner, the end part of the sliding rod is fixedly connected with a bottom plate, the surface of the main pipe is rotationally connected with an auxiliary pipe through threads, a suction pipe is arranged on the surface of the auxiliary pipe, and the bottom plate is fixedly connected with the suction pipe. A pressing plate is arranged on the inner wall of the auxiliary pipe, a liquid storage bag is fixedly connected to the other side of the pressing plate, the outer wall of the main pipe is in a step shape, the main pipe is attached to the pressing plate, and a liquid inlet through hole is formed in the surface of the pressing plate. In addition, only the auxiliary pipe in the sampling device needs to be independently cleaned, so that the sampling efficiency is improved, and meanwhile, the sampled raw materials can be more conveniently stored through the liquid storage bag.

The invention discloses a multidirectional air detection device for a chemical workshop and a detection method, and belongs to the field of air detection. The device comprises an automatic cart and an air sampling machine, sampling bottles and a placing assembly for installing the sampling bottles are installed on the periphery of the air sampling machine, a rotatable bearing table is arranged on the automatic cart, the bearing table rotates through a driving assembly, and a collecting assembly is arranged on the bearing table; the sampling bottle comprises a reaction tube and a gas inlet tube, and the reaction tube is sleeved in the gas inlet tube; the collecting assembly comprises a gas collecting hood and a breather pipe, the breather pipe is fixedly installed on the gas collecting hood and communicated with the gas collecting hood, one end of the breather pipe is connected with one end of the gas inlet pipe in a sleeving mode, and a gas inlet assembly is arranged on the breather pipe and drives gas in the gas collecting hood to enter the reaction pipe. Meanwhile, air in multiple directions in the chemical workshop is sampled, and the problem that a conventional air detector is difficult to realize classified detection of air in different directions in the chemical workshop is solved.

The present invention discloses a cement ash filter for cementing, the filter comprising a filter body, a support frame, a gland assembly and a filter screen, the filter body is arranged vertically by the support frame, and has an inner cavity with a top opening, the top opening of the inner cavity is sealed by the gland assembly, the lower wall surface is provided with an ash inlet connected to the inner cavity, the upper wall surface is provided with an ash outlet connected to the inner cavity, and a multi-layer, conical or truncated cone filter screen is provided in the inner cavity between the ash inlet and the ash outlet, the cement ash enters the filter body through the ash inlet, flows through the filter screen for filtration, and is discharged from the ash outlet. The present invention not only adopts a vertical filtration method to avoid the problem of filter blockage during cement ash filtration, but also ensures that the cement ash is quickly filtered clean.

The utility model discloses a petroleum antistatic agent production detection sampling device which comprises a shell, and the interior of the shell is of a double-channel structure; a first lifting mechanism is arranged on one side of the top of the shell, and a second lifting mechanism is arranged on the other side of the top of the shell. Telescopic pipe assemblies are arranged on the lower portions in the two channels of the shell, and the bottom ends of the two telescopic pipe assemblies are at least used for being inserted into the oil antistatic agents with different depths. A sampler is arranged at the upper part in the dual-channel of the shell, and the bottom end of the sampler is detachably connected with the top end of the telescopic pipe assembly. According to the petroleum antistatic agent sampling device disclosed by the utility model, the sampling of petroleum antistatic agent samples with different depths can be realized by utilizing the combination of the plurality of samplers and the telescopic pipe assembly, and meanwhile, the sampled petroleum antistatic agent can be contained in the lower cavity in the shell, so that the sample is prevented from dripping on a moving path when the sample is moved.

The invention discloses an anaerobic treatment device and method for resource utilization of rural domestic sewage, and relates to the technical field of biological anaerobic treatment equipment, in particular to an anaerobic treatment device for resource utilization of rural domestic sewage, comprising a tank body, an anaerobic treatment mechanism and a negative pressure mechanism, wherein the anaerobic treatment mechanism comprises a spiral guide spiral plate welded on the inner surface of an anaerobic tank, a biological attachment bed for anaerobic attachment is installed in a hole on the surface of the guide spiral plate; a negative pressure mechanism, wherein the negative pressure mechanism comprises a negative pressure air pump for exhaust installed at the upper end of the anaerobic tank, and a pressure controller for pressure monitoring is also installed at the upper end of the anaerobic tank; the invention uses an anaerobic treatment device composed of a tank body, an anaerobic treatment mechanism and a negative pressure mechanism, so that the negative pressure mechanism forms a negative pressure in the tank body, thereby facilitating anaerobic organisms to attach to the anaerobic treatment mechanism in the anaerobic tank to treat rural domestic sewage, so that the rural domestic sewage can be resource utilized after anaerobic treatment.

This invention discloses a sampling drill bit for a tracked vehicle used in sand and gravel mining, comprising a drill rod, a drill rod sleeve, and a sampling rod inside the drill rod sleeve. The sampling rod is rotatably connected to the drill rod sleeve via a sampling bearing. The upper end of the sampling rod is driven by the output shaft of a sampling motor. The bottom of the sampling rod is provided with a spiral feeding blade for sand and gravel sampling and conveying. A sand discharge port is opened in the middle of the drill rod sleeve, located above the spiral feeding blade. This invention is applicable to the field of mining sampling. By providing a drill rod sleeve and a vibrator on the outside of the drill rod, the drill rod is assisted in its insertion by the vibrator and the needle tip structure of the drill rod sleeve. At the same time, the internal motor drives the spiral feeding blade to drill deeper. Waste samples are discharged through the sand discharge port, and the sample at the target depth is retained in the front end of the drill rod sleeve, enabling sampling at a specific depth. Subsequently, the drill rod is controlled to penetrate deeper into the sampling container and continue to rotate to complete the sample placement. A quick-installation structure for the drill rod is also provided, enabling rapid disassembly and assembly, facilitating replacement and maintenance, and making it more flexible and convenient.

The utility model discloses a kind of multifunctional sampling equipment for grain quality detection, including sampling car, first electric push rod is installed on the sampling car, sampling mechanism is installed on the first electric push rod;Drive sampling mechanism to stretch into any position of grain pile by the telescoping of first electric push rod, the sampling car includes bottom support plate, universal wheel is fixedly installed at the bottom of the bottom support plate, it is related to grain sampling technical field, by setting sampling mechanism, sampling mechanism top has electromagnetic valve, in the process that sampling mechanism stretches into grain pile, electromagnetic valve is closed, so as to in the process that sampling mechanism moves, grain cannot enter electromagnetic valve and sampling pipe, when sampling mechanism stretches into grain pile characteristic depth position, open electromagnetic valve, to realize accurate position sampling;Sampling mechanism is driven into grain pile by first electric push rod, so as to be able to realize the sampling of grain pile any depth position, so that sampling function is more abundant.

The utility model relates to the technical field of soil sample collection equipment, in particular to a vertical distribution stratified sampler for soil radioactive contamination, which is characterized in that a lifting guide rod is fixedly arranged on a base, a mounting seat is fixedly arranged at the upper end of the lifting guide rod, a threaded rod penetrates through the mounting seat through a bearing in a screwing manner, and the threaded rod and the lifting guide rod are arranged in parallel; the lifting seat is screwed and sleeved on the threaded rod through threads, the lifting seat is movably sleeved on the lifting guide rod, the plurality of sampling barrels are arranged on the lower surface of the lifting seat, and the lower ends of the sampling barrels are movably arranged in the base in a penetrating manner; a standard stepping driving structure is adopted, a guiding and transmission driving unit is adopted, tunneling sampling of the sampling barrel and taking out after sampling are completed are achieved, therefore, standardized operation can be conducted, a labor-saving lever structure is adopted, and manual labor during operation is reduced.

The utility model relates to fermentation tank technical field discloses a kind of yellow wine low-temperature fermentation tanks, including fermentation tank, the outside of fermentation tank is fixedly installed with multiple struts, the top of fermentation tank is fixedly installed with inlet, the top of fermentation tank is fixedly installed with pedestal near inlet, pedestal is provided with sampler, sampler includes protective shell, protective shell top is fixedly installed with trachea, trachea top is fixedly installed with sampling pump, and sampling pump is electrically connected with external main controller by cable.In the top of fermentation tank is provided with sampler, and sampler is composed of protective shell, trachea, sampling pump, first multi-tube, second multi-tube and other structures, and first solenoid valve and second solenoid valve are respectively arranged in two ends of multiple second multi-tube, and then cooperate the sampling tube of one end of second solenoid valve to realize the sampling of wine body in fermentation tank, and the depth of multiple sampling tube end in fermentation tank is different, so as to realize the stratified sampling of mutual non-interference.

The invention discloses a gas field feed gas online sampling and separating device and method, and relates to the technical field of gas sampling. The gas field raw material gas on-line sampling and separating device comprises a raw material gas gathering and transporting mechanism, a raw material gas sampling mechanism and a sample collecting and processing mechanism, the raw material gas gathering and transporting mechanism comprises a main pipeline, the main pipeline is connected with a gas taking pipeline and a gas returning pipeline, the raw material gas sampling mechanism comprises a sampling pipeline, and a spoiler and a sampling inner pipe are arranged in the sampling pipeline; the sample flowing chamber is connected with a sample pipeline, the sample collecting and processing mechanism comprises a sample gas pipeline, the sample gas pipeline is connected with a three-way valve, the three-way valve is connected with a collecting bottle and a separator, the separator is connected with a filter, and the filter is connected with an emptying pipeline. The gas field feed gas on-line sampling and separating device is adopted in the gas field feed gas on-line sampling and separating method. The gas field feed gas on-line sampling and separating device and method have the beneficial effects of good sampling representativeness and on-line sampling.

The utility model discloses a coal taking device of being favorable to improve the sampling representativeness of factory coal, it includes the sampling tube of coal taking machine, be equipped with screw rod in the sampling tube, be equipped with sampling box on the sampling tube upper end, sampling box lower extreme and upper end are equipped with sample discharge gate and sample feed port respectively, sample feed port with sampling tube intercommunication, be equipped with the feed port size adjusting device for adjusting the feed quantity at sample feed port, the utility model is favorable to improve the sampling representativeness, and the objective reaction factory coal quality.

The present disclosure relates to the field of animal sampling technology, and in particular to a sampling robot, comprising a base, a walking device installed at the bottom of the base, and a sampling assembly installed on the upper side of the base. The sampling assembly comprises a first mechanical arm, a first joint servo, a second mechanical arm, a second joint servo and a mechanical claw connected in sequence from bottom to top, the first joint servo is used to control the relative deflection angle of the first mechanical arm and the second mechanical arm, the second joint servo is used to control the opening and closing of the mechanical claw, and the mechanical claw is used to clamp the cow's tail. A first motor is installed on the second mechanical arm, the first motor is connected to a needle exchange device, a plurality of blood sampling devices are installed on the needle exchange device, and the first motor drives the needle exchange device to rotate so that different blood sampling devices are aligned with the cow's tail blood vessels. The deflection of the second mechanical arm can adjust the position of the blood sampling device. Through the setting of the sampling assembly, the present disclosure can make the blood sampling device align with the venous blood vessels to achieve sampling, prevent the cow from kicking the sampling personnel, and improve the sampling efficiency.

The invention relates to a multi-parameter floating sampling device for river water quality monitoring. Comprising a base, an air bag fixedly arranged on the base, an electric control mechanism fixedly arranged on the base, an adjusting mechanism fixedly arranged on the base, a sampling mechanism fixedly arranged on the base, a storage mechanism fixedly arranged on the sampling mechanism, a top cover rotationally arranged on the base, a sealing ring fixedly arranged on the base and hooks fixedly arranged on the base and the top cover. The adjusting mechanism comprises a driving assembly fixedly arranged on the base, a first mounting groove fixedly formed in the base, a driving disc rotationally arranged on the first mounting groove, a bottom plate rotationally arranged on the base, a plurality of first limiting assemblies fixedly arranged on the driving disc and the bottom plate, and stretching assemblies symmetrically arranged on the base in a sliding mode and matched with the driving disc. The problem that an existing sampling device can only sample a water body on the surface of a river channel is solved, water bodies at different depths and different positions can be collected, and multi-parameter sampling is achieved.

The present invention relates to the field of environmental monitoring technology, and specifically to an air sampling monitoring device for air pollution control, comprising an adjustment column, a lifting slot is provided on the outer wall of the adjustment column, a lifting module is sleeved on the outer side of the adjustment column, the lifting module is slidably connected to the lifting slot, a mounting ring is provided on the outer side of the lifting module, a number of evenly distributed connecting rods are fixedly installed between the inner ring wall of the mounting ring and the lifting module, a driving slot of a circular ring structure is provided on the outer wall of the mounting ring, a driving slider is slidably installed in the driving slot, and a driving slot extends from one side of the driving slider and is fixedly installed with an exhaust module. The present invention designs a placement rack, which can be aligned with several placement racks in turn through the movement of the exhaust module. When the exhaust module is aligned with the placement rack, it can drive the airflow through the filter membrane on the placement rack to achieve air sampling, which greatly improves the efficiency of air sampling.

The utility model relates to a microorganism quick sampling device, which comprises a base and a pushing grip arranged on the base, four pulleys are arranged on the lower surface of the base, a sampling bin is fixed on the upper surface of the base, a storage box is arranged on the inner bottom wall of the sampling bin, a stabilizing mechanism is arranged on the inner top wall of the sampling bin, and the pushing grip is arranged on the base. A sampling mechanism is arranged on the upper surface of the storage box. According to the rapid microorganism sampling device, a stabilizing mechanism is arranged in the rapid microorganism sampling device, and a driving motor, a storage battery, a lead screw, a nut sleeve, a movable plate and a ground inserting nail are arranged, so that the rapid microorganism sampling device can be fixed on the ground of a sampling position during sampling, the stability of the sampling device is improved, and the sampling effect is finally improved; the problems that in the sampling process, water resources are generally outdoor, the ground of the sampling position is not flat enough, the stability of the sampling device can be affected by pulleys at the bottom end of equipment, and the sampling effect is affected are solved.