796results about How to "Easy to sample" patented technology

The invention discloses sampling equipment and method for soil pollution treatment, and relates to the technical field of soil sampling, the sampling equipment comprises a sampling main body, and the top of the sampling main body is slidably connected with a toothed plate. According to the device, the limiting stoppers arranged on the two sides of the sampling pipes are disassembled, the sampling pipes which are not fixed are sequentially disassembled according to the sequence, then soil in the inner walls of the sampling pipes is put into the collecting bag, the sampling pipes are recycled in a unified mode, brand new sampling pipes are combined, then the sampling pipes are fixed through the limiting stoppers, and the sampling pipes are reinstalled into the sampling bin, so that the sampling efficiency is improved. The sampling device for soil pollution abatement further solves the problems that in the using process of traditional sampling equipment for soil pollution abatement, due to the fact that batch collection needs to be conducted on the same area and different places in soil sampling, part of samples in the previous batch are still left in the equipment during soil sampling, and the sampling time is shortened. The problem that the soil sample data is not accurate enough due to cross infection of the samples in the batch and the samples in the previous batch is solved.

The invention discloses an animal husbandry and veterinary sampling detection method, and relates to the technical field of animal husbandry and veterinary sampling detection.The surface of a handle is fixedly connected with a shell, a first sleeve slidably penetrates through the upper end face of the shell, the upper end face of the first sleeve is fixedly connected with a pressing plate, and four sets of raking plates are arranged and can be attached to one another to form a cone; a pushing-open assembly, a sampling assembly and a vibration assembly are further arranged on the shell, the pushing-open assembly is used for pushing open the surface of sampled excrement, the sampling assembly is used for sampling the interior of the excrement, and the vibration assembly is used for assisting the sampling assembly to vibrate the taken-out sample down. The problems that in the prior art, due to the fact that the surface of excrement is hard and not prone to being pushed open, sampling is difficult, at the moment, workers need to push open the excrement with the help of other tools, the excrement is prone to being broken open in the pushing-open process, the surrounding environment is polluted, and more seriously, the sampling workers are likely to be infected with germs are solved.

The invention belongs to the technical field of stem cell sampling, and particularly relates to a stem cell sampling device and a sampling method thereof.The stem cell sampling device comprises a machine shell and further comprises a test tube rack, a sterilizing lamp, an adjusting device, a sampling device and a cleaning device which are installed in the machine shell. According to the stem cell sampling device and the sampling method thereof, by arranging the sampling device, after a suction push handle on one sampling side ascends, generated suction force can be transmitted to a sampling suction pipe, automatic sampling is achieved, a driving frame can be driven to ascend and descend through rotation of a driving lead screw, and a storage hose is driven to deflect; the self-locking block can be driven by rotation of the locking lead screw to move relatively, the sucked sample can be prevented from entering a conveying pipeline after one end of the storage hose is sealed, and meanwhile, when suction is needed, the self-locking block is opened, so that the self-locking block is opened, and the self-locking block can be conveniently locked. And gas circulation can be facilitated.

The invention relates to the technical field of valves, and particularly discloses an automatic alarm type valve with an automatic water volume monitoring function, which comprises a valve main body with a tubular structure, mounting flanges are fixedly mounted at the left end and the right end of the valve main body, and a storage box is fixedly mounted at the upper end of the valve main body; a butterfly valve element is rotationally installed in the middle of the interior of the valve body, a center rotating shaft used for driving the butterfly valve element to rotate is fixedly installed at the upper end of the butterfly valve element, a controller is fixedly installed at the upper end of the storage box, and a buzzer and an alarm lamp which are used for reminding workers are fixedly installed on the upper surface of the controller. According to the automatic alarm type valve with the automatic water volume monitoring function, the device is installed through the installation flange, then the rotating air cylinder drives the butterfly valve element to rotate through the center rotating shaft, the purpose of controlling the valve to be opened and closed is achieved, and in the process, the flow sensor is fixedly installed in the valve body to monitor the accurate water flow; therefore, whether valve control is accurate is judged.

The invention discloses rock core drilling sampling equipment for geological disaster investigation, and relates to the technical field of sampling, and the rock core drilling sampling equipment comprises a composite mechanism. According to the rock core drilling and sampling equipment for geological disaster investigation, through the design of a composite mechanism, the motor is connected with the butt joint block, and the drill rod is inserted into the inner side of the butt joint block, so that drilling and sampling are conducted on rocks, in the drilling process, the movable frame slides on the outer side of the sliding column so as to ascend and descend, and therefore the work requirement is met; a drill bit mechanism is arranged on the outer side of the drill rod, large rocks are crushed through the drill bit mechanism in the drilling process, meanwhile, rock blocks are guided to enter the inner side of the drill rod, so that a sample is taken out when the movable frame body is lifted subsequently, subsequent treatment is facilitated, and after sampling is finished, the drill bit mechanism is used for crushing the large rocks and guiding the rock blocks to enter the drill rod. When the sample is taken out from the inner side of the drill rod, the sample is taken out more cumbersomely and difficultly, the pushing and pressing mechanism is pressed by the electric push rod, so that the effect of discharging the sample is achieved, and normal operation of equipment is kept.

The invention discloses an automatic detection device for edible fungus hyphae, relates to the field of edible fungus detection, and solves the problem that an existing automatic detection device for the hyphae easily causes normal lifting of a shell, the automatic detection device comprises a box body and a bottom box, and three culture seats which are distributed at equal intervals and located on the inner side of the box body are fixedly installed at the top of the bottom box; three temperature control fans distributed at equal intervals are fixedly mounted at the top of the box body, two sliding doors distributed symmetrically are rotatably mounted on the front surface of the box body, a controller is fixedly mounted on the back surface of the box body, and a temperature and humidity detector located on the inner side of the box body is fixedly mounted on the inner side of the controller; the adjusting mechanism is used for adaptively adjusting the space in the culture base according to the growth of a hypha sample, and the adjusting mechanism is mounted in the bottom box; through the adjusting mechanism, the influence of water vapor on the driving source is solved, and normal operation of the driving source is ensured, so that the effect of improving the monitoring safety of the hypha sample is achieved.

The invention discloses a soil sample sampling device for construction, belongs to the technical field of soil sample sampling, solves the problems that a soil layer with high mobility is inconvenient to sample and depth fixed-point sampling is inconvenient, and comprises an upper mounting frame and a lower mounting frame, and supporting columns are mounted between the two mounting frames at equal angles; a longitudinal moving table is arranged between the two mounting frames, a drilling sampling assembly is arranged below the longitudinal moving table and comprises a drill rod, a drill bit unit is arranged at the bottom end of the drill rod, a sampling groove is formed in the drill rod, the sampling groove penetrates to the bottom end of the drill rod, a negative pressure cavity is formed in the drill rod, and the negative pressure cavity is formed above the sampling groove; in the working process, when the arranged drilling part moves to the position where sampling is needed, the drilling rod moves upwards to be separated from the drilling part, the sampling groove is opened, soil enters the sampling groove through the space between the drilling rod and the drilling part to complete sampling, and therefore sampling can be conveniently conducted on a soil layer with the needed depth.

The invention relates to the technical field of analog-to-digital conversion, and provides an analog-to-digital conversion system, an automatic gain selection method and a gain deviation calibration method. The analog-to-digital conversion system comprises a main analog-to-digital converter, an auxiliary analog-to-digital converter, a gain selection module and a recovery module, wherein each of the main analog-to-digital converter and the auxiliary analog-to-digital converter comprises a sampling capacitor and a conversion capacitor array; the auxiliary analog-to-digital converter and the main analog-to-digital converter simultaneously sample an input signal, and the auxiliary analog-to-digital converter preferentially pre-converts a sampled signal to obtain a pre-conversion result; and the gain selection module is used for determining the position of the current input signal corresponding to the full scale of the main analog-to-digital converter according to the pre-conversion result of the auxiliary analog-to-digital converter, thereby determining the number of sampling capacitors required to be accessed by the main analog-to-digital converter for sampling the current input signal so as to adjust the gain of the main analog-to-digital converter. According to the invention, each sampling point can be ensured not to cause ADC overload or precision reduction, and high-precision sampling of all signals can be ensured.

The invention relates to a soft soil quality investigation device and method, and relates to the technical field of geotechnical investigation. The soil sampling device comprises a sampling barrel and a sampling shell, a soil breaking mechanism is arranged at the bottom of the sampling barrel and used for drilling soil, a sampling assembly is rotationally connected to the sampling barrel, the sampling assembly rotates and is used for receiving part of soil in the sampling barrel, a storage assembly is arranged on a storage shell and comprises a moving assembly and a plurality of storage boxes, the moving assembly is arranged on the storage shell, and the storage boxes are arranged on the moving assembly. The multiple storage boxes are sequentially stacked in the containing groove in the vertical direction, the moving assembly is used for sequentially conveying the storage boxes into the storage shell, and the storage boxes are used for bearing soil. The multi-layer sampling device has the effect of facilitating multi-layer sampling.

The utility model discloses a water quality sampling device, relates to the technical field of water quality sampling, and solves the problems that as different detection items need to detect the water quality of different depths and areas, after the sampling device in the patent samples the water quality, it is difficult to ensure that a sample cannot be mixed with the water quality of water areas in other depths, and the water quality cannot be detected. Therefore, the purity of a detection sample is difficult to guarantee, and the accuracy of a detection result is influenced. A water quality sampling device comprises: a buoy; the buoy adopts a conical block structure; a fixing frame of a frame structure is fixedly arranged at the top of the buoy. A connecting rod of a cylindrical structure is slidably arranged in a circular through groove in the middle of the top of the fixing frame. A penetrating type circular sliding groove structure is formed in the middle of the connecting rod. The bottom of the connecting rod is fixedly connected with a container cylinder of a cylindrical structure; the purity of a sample in the container cylinder is ensured, the accuracy of a detection result is ensured, and the practical value is better.

The invention relates to the technical field of liquid sampling, in particular to a liquid sampling metering detection device and a detection method thereof. The device comprises a supporting plate fixed to the inner side of a bearing ring and a collecting cylinder fixed to the inner side of the supporting plate, a U-shaped support is fixed to the two ends of the top of the supporting plate, an auxiliary mechanism is assembled between the collecting cylinder and the U-shaped support, and the auxiliary mechanism comprises a U-shaped pulling and connecting rod, a force application rack, a force guiding gear, a shaft rod and a transmission part. Through the structural design of the auxiliary mechanism, the observation mechanism and the positioning mechanism, the device is convenient to sample liquid, and meanwhile, the liquid in the collection cylinder can be shunted into the sampling bottle, so that the amount of the liquid discharged after sampling by the sampling bottle is not influenced by liquid hanging beads or liquid overflow at the end part of the collection cylinder, and the working efficiency is improved; the efficiency and accuracy of the device are improved, and through implementation of the detection method, the accuracy and stability of sampling and metering are improved, personal errors are reduced, and the detection efficiency is improved.

The utility model discloses a stratified sampling device for soil environment detection, which belongs to the technical field of soil detection sampling and comprises a sampling barrel, a protective barrel is arranged outside the sampling barrel, a driving mechanism is arranged on the protective barrel, the bottom of the driving mechanism is connected with the sampling barrel, a plurality of partition plates are inserted into the sampling barrel, and the partition plates are connected with the sampling barrel. And annular teeth are fixedly mounted at the bottom of the sampling barrel. According to the soil sampler, the hand wheel is rotated to drive the screw rod to rotate, the screw rod drives the sampling barrel to rotate and gradually move downwards through the threaded fit between the screw rod and the threaded sleeve, an outline is cut through the annular teeth, soil enters the sampling barrel, and easy sampling is achieved; the soil samples are protected, the soil samples are prevented from falling out in the transportation process, and impurities can be prevented from entering the soil samples.

A digestive tract sampling capsule includes a capsule shell and a sampling chamber disposed in the capsule shell, wherein the capsule shell is provided with a sampling port, and the sampling chamber is provided with an injection port, wherein the injection port and the sampling port can be selectively aligned or misaligned, and further includes a driving component disposed in the capsule shell, wherein the injection port is blocked by a dissolving material, and the driving component drives the injection port or the sampling port to transform between two states relative to the sampling chamber, wherein in a first state, the sampling port is misaligned with the injection port; in a second state, the sampling port is aligned with the injection port, and the dissolving material contacts the sample and dissolves under the action of the sample to open the injection port for sampling. The digestive tract sampling capsule of the present invention adopts a mode combining active and passive trigger sampling, which can achieve accurate sampling and improve the success rate of sampling.

The invention provides a sampling device for water pollution monitoring, a water quality monitoring system and a water quality monitoring method, which are used for solving the problems that the sampling device in the prior art cannot adapt to sampling scenes with different water depths and only samples with specific depths can be taken at a single time, and the sampling device is of an ellipsoidal structure and comprises a counterweight module and a sampling module, the sampling module comprises a plurality of sampling mechanisms, the counterweight module comprises a driving mechanism, the driving mechanism is used for opening or closing sampling ports or sample discharging ports of the sampling mechanisms, and the driving mechanism can only open one sampling port at a time; the sampling device is arranged to be of the ellipsoidal structure, the weight of the sampling device is changed through the balance weight module, so that the sampling mechanism sinks or floats upwards, the sampling mechanism can not only take samples of surface water, but also take samples at different water depths at the same time, and the situation of mutual pollution can be avoided.

The utility model relates to the technical field of soil exploration, and discloses soil multilayer sampling equipment which comprises a connecting nut, a collecting structure for sampling is arranged at the end of the pushing screw and comprises a sampling barrel, a discharging window and a baffle, the sampling barrel is fixedly connected with the pushing screw, the discharging window for taking out samples is formed in the wall face of the sampling barrel, the baffle is located in the baffle, and the baffle is detachably connected with the sampling barrel. By arranging the detachable baffle, after the baffle and the sampling barrel are installed, the baffle shields the discharging window, the baffle and the sampling barrel jointly form a cylinder for sampling, soil screwed into a sampling barrel cavity is a sample, after the sampling barrel is screwed out of the soil, the sample is located in the sampling barrel cavity, the baffle and the sampling barrel can be detached, and the sampling barrel can be detached. The discharging window is in an open state, so that samples can be conveniently taken out, the completeness of the samples is ensured as far as possible, and the device has the characteristic of conveniently taking out the samples and is easy to operate actually.

The present invention provides a test device for shield cutterhead mud cakes taking into account high temperature and high pressure. A double-layer cylindrical test cylinder is sealed at the bottom by a cylindrical cylinder bottom cover (4). The top of the double-layer cylindrical test cylinder is open. A cylindrical inner cylinder top cover (3) is movably arranged at the top opening. An electric-controlled jack (5) for applying vertical pressure is connected to the upper surface of the cylindrical inner cylinder top cover (3). A plurality of electrically controllable heating rods (13), a plurality of unconfined compressive strength sample molds (11) and a plurality of direct shear sample molds (12) are arranged inside the double-layer cylindrical test cylinder. The present invention also discloses a test method for shield cutterhead mud cakes taking into account high temperature and high pressure. The present invention can study the mechanism or conditions of cutterhead mud cakes under the action of high temperature and high pressure, which is more consistent with the actual situation and avoids the operation of injecting a dispersant to decompose the mud cakes after the mud cakes are formed in shield practice.

The utility model relates to the technical field of sampling, and discloses a sampling device convenient to adjust, which comprises a sampling seat and a sampling mechanism, the sampling mechanism comprises an adjusting rod, an adjusting box and a winding roller; a connecting rope is arranged on the winding roller; the sampling mechanism further comprises a sampler, a rotating rod, an adjusting piece, a rotating piece and a limiting seat; the rotating piece is provided with a limiting block. Through cooperative use of a sampling seat, a sampling mechanism, a winding roller, a connecting rope, an adjusting part and a rotating part, a sampler can be controlled to sample seawater, an adjusting rod and an adjusting box are cooperatively used, the angle of the sampler can be adjusted, and a fixed seat, a fixed part and a fixed rod are cooperatively used, so that the adjusting box can be disassembled or fixed; by arranging a limiting seat and a limiting block, the adjusting piece and the rotating piece can be fixed or separated, and sampling of the sampler is facilitated.

The utility model provides a sampling device for processing a cell culture solution, and mainly relates to the field of sampling equipment for processing a culture solution. A sampling device for cell culture fluid processing comprises a bottom plate, vertical rods are installed at the four corners of the top face of the bottom plate, the top ends of the four vertical rods are connected through a top plate, a transverse plate is installed among the four vertical rods, a plurality of clamping grooves which are evenly distributed are formed in the front face of the transverse plate, and a sampling pipe is connected into each clamping groove in a clamped mode. A fixing block is mounted in each sampling pipe. The sampling device has the beneficial effects that the sampling device is simple in structure and convenient to use, suction force is provided by the air pump, a plurality of sampling pipes can be simultaneously used for sampling operation, the sampling efficiency is further improved, the physical labor of operators is reduced, samples with different depths can be sampled by using the sampling needles with different lengths, and the sampling efficiency is improved. The sample can be conveniently compared and sampled, so that the sampling detection effect is improved, and convenience is brought to sampling.

The invention relates to the technical field of medical instruments, in particular to a digestive tract tumor biopsy sampling device which comprises a cylinder, a driving assembly arranged on the cylinder, forceps beaks symmetrically arranged on the driving assembly, a pump assembly and a communication module, extension plates are in sliding fit with the two sides of the forceps beaks, hoses are arranged in the forceps beaks, and the pump assembly is connected with the pump assembly. Permanent magnets are symmetrically arranged on the outer side walls of the hoses, a collecting assembly is arranged at the end, away from the pump assembly, of any hose and comprises an elastic pipe, one end of the elastic pipe is communicated with the adjacent hose, and the other end of the elastic pipe is communicated with a sampling needle; the elastic tube is connected with the sampling needle, a baffle plate made of an elastic material is arranged at the communication part of the elastic tube and the sampling needle, the elastic modulus of the baffle plate and the elastic modulus of the hose are both greater than that of the elastic tube, the sampling needle is in sliding fit with the forceps beak, a plurality of mesh wires made of an elastic material are arranged in the elastic tube, and the mesh wires are wave-shaped. And the device can adapt to different sampling scenes.

The invention discloses a novel carboxyl butyronitrile latex reaction kettle sampling structure, and relates to the technical field of sampling, the novel carboxyl butyronitrile latex reaction kettle sampling structure comprises a reaction kettle body, the top of the reaction kettle body is fixedly provided with a motor, the top of the reaction kettle body is fixedly provided with a feeding pipe, and the output end of the motor is fixedly provided with a stirring blade; a discharge pipe is fixedly mounted at the bottom of the reaction kettle body; the sampling device is arranged on the surface of the reaction kettle body and comprises an electric telescopic rod, a connecting pipe, a fixing plate, a fixing rod, a sealing plate, a sampling opening, a sampling pipe, an L-shaped sliding plate and a limiting plate, the electric telescopic rod is started, and the output end of the electric telescopic rod shrinks to drive the fixing plate to move in the direction close to the reaction kettle body; the electric telescopic rod is fixedly mounted on the outer wall of the reaction kettle body to prevent the L-shaped sliding plate from being touched by mistake, so that the L-shaped sliding plate relieves the limiting of the sampling pipe, and the sampling efficiency is not influenced.

The utility model provides a soy sauce sampling device which comprises an oil filtering cylinder, a handle is hinged to the outer side face of the oil filtering cylinder, a push-pull rod is arranged above the handle, one end of the push-pull rod is hinged to the oil filtering cylinder, the hinged position is located above the hinged position of the handle, and the end, away from the oil filtering cylinder, of the handle is slidably connected with a push-pull control piece. The end, away from the oil filtering cylinder, of the push-pull rod is hinged to the push-pull control piece. A soy sauce containing pipe is detachably connected into the oil filtering cylinder, and an upper end opening of the soy sauce containing pipe is lower than the upper edge of the oil filtering cylinder. According to the device, the handle is hinged to the oil filter cylinder, and the relative position between the handle and the oil filter cylinder is adjusted through the hinged push-pull rod, so that the sampling device can be suitable for fermentation tanks with different storage amounts and tank openings with different orientations, and can extend into the fermentation tanks in a most convenient taking and placing form, and the oil filter cylinder is always upward; soy sauce filtering and sampling are facilitated, and the applicability is higher.

The invention discloses a water pollution monitoring device for environmental protection, and belongs to the field of environmental monitoring, the water pollution monitoring device comprises a bin body, the right side of the bin body is fixedly connected with a supporting plate, a movable plate is hinged above the supporting plate, a water suction pump is fixedly mounted above the movable plate, and the right side of the water suction pump is fixedly connected with a water suction pipe; the water suction pipe is fixedly connected with the upper portion of the movable plate, a water outlet hose is fixedly connected to the left side of the water suction pump, a driving assembly is arranged behind the water suction pump and comprises a supporting frame, the supporting frame is fixedly connected with the right side of the bin body, and a first supporting seat is fixedly connected to the upper portion of the supporting frame; the left side of the first supporting seat is fixedly connected with a motor. The water suction pump is arranged to extract samples from water for detection, the driving assembly can drive the water suction pump and the water suction pipe to swing up and down, so that the height of the water suction position of the water suction pipe is adjusted, and the device has the effect of conveniently sampling water at different depths.

The present invention relates to the field of exploration and sampling technology, specifically to a mineral resource exploration and sampling device, including a frame, wherein a sampling component is provided inside the frame for rotation, and the sampling component includes two arc-shaped sampling tubes, and the two arc-shaped sampling tubes are both arranged in a semi-cylindrical shape. The two arc-shaped sampling tubes are separated, so that the inner wall thereof is separated from the outer wall of the sampled rock core, and the rock core falls off from the bottom of the two arc-shaped sampling tubes, which is convenient for detection personnel to sample the rock core, and improves the convenience of use, and the connecting action of the torsion bar will stretch the two elastic bandages and the friction strip, and the two elastic bandages are stretched to gradually reduce the arc, and the two friction strips are contracted toward the middle, so as to abut against the outer wall of the rock core, and due to the contact friction between the two friction strips and the outer wall of the rock core, the speed of the rock core falling is slowed down, and it is ensured that the rock core will not be broken due to the impact, so as to better survey the distribution of mineral texture.

The invention relates to the technical field of sampling equipment, in particular to a chromophoric pool gas-liquid mixing pool detecting and sampling device which comprises a movable support, a plurality of sampling mechanisms are distributed on the movable support at equal intervals in the front-back direction, each sampling mechanism comprises a shell fixedly installed on the movable support, and a rotating disc is rotatably installed at the bottom of each shell; and a fixed-angle rotating assembly for driving the turntable to rotate at a fixed angle is mounted on the shell. Sampling is performed through linkage cooperation of the mounting ring, the lifting mechanism, the limiting assembly, the sampling bottle and the driving assembly, the mounting ring and the sampling bottle are driven by the lifting mechanism to move downwards to enter the color development pool or the gas-liquid mixing pool, and the descending depth of the sampling bottle is limited by the limiting assembly; the sampling bottle is arranged to be of an inner and outer double-sealing structure, during sampling, the bottle cap and the sealing plate are opened at the same time, sampling can be conveniently and rapidly conducted, when samples in the bottle are taken out, the bottle cap can be opened independently, the sealing plate is kept sealed, and gas leakage in the samples is avoided.

The utility model relates to the technical field of mortar sampling inspection, in particular to a ready-mixed mortar sampling inspection device which comprises a base, installation grooves are formed in the left portion and the right portion of the upper end of the base respectively, a sampling inspection mechanism is movably installed in the two installation grooves jointly, and supporting columns are arranged on the left portion and the right portion of the upper end of the base respectively. A stirring barrel is fixedly installed between the two supporting columns jointly, a feeding port is formed in the upper portion of the outer surface of the stirring barrel, a motor is fixedly installed at the left end of the supporting column located on the left portion, four discharging pipes are arranged on the lower portion of the outer surface of the stirring barrel, and valves are arranged on the outer surfaces of the four discharging pipes; a controller is arranged at the right end of the supporting column located on the right portion, and a rotating rod is fixedly installed at the output end of the motor. According to the ready-mixed mortar sampling inspection device, the mortar sampling inspection efficiency is higher, the sampled mortar can be conveniently and rapidly taken out, the operation is simple, and time and labor are saved.

The utility model discloses a sampling device for engineering geological survey, and relates to the technical field of soil sampling. The sampling assembly is used for sampling; the supporting assembly is used for supporting; the sampling assembly comprises a sampling barrel fixedly mounted at the bottom of the collecting box and a driving motor rotationally mounted at the top of the collecting box, a rotating rod is rotationally mounted in the sampling barrel, a drill bit is fixedly mounted at the bottom end of the rotating rod, and a conveying auger is fixedly connected to the outer wall of the rotating rod; the top end of the rotating rod is fixedly connected with the driving end of the driving motor, a sampling opening is formed in the bottom wall of the collecting box, and a shielding plate used for blocking the sampling opening is further slidably inserted into the collecting box. The sampling device disclosed by the utility model solves the problems that in the sampling process of an existing sampling device, soil is splashed, a sampled sample is usually scattered outside, the sampled sample is inconvenient to collect by a worker, and the sampling efficiency of the worker is reduced.

The invention discloses a material sampling device for detecting building exterior wall thermal insulation materials, and relates to the technical field of exterior wall thermal insulation material sampling. The device comprises a base plate, an upper surface of the base plate is also fixedly connected with a lifting mechanism, an upper surface of the lifting mechanism is fixedly connected with a sampling box, a drill tube is arranged inside the sampling box, a rotating and extending component is arranged on the sampling box and is used to allow the drill tube to extend into the wall, a speed regulating component is arranged in the sampling box and is used to adjust the rotation speed of the drill tube, a pushing and cleaning component is also arranged in the sampling box and is used to push out the sample object in the drill tube, a knocking and vibration component is also arranged in the sampling box and is used to knock the surface wall of the drill tube to make the drill tube vibrate, and an air blowing and cleaning component is arranged in the sampling box and is used to blow air into the drill tube to clean the sample residue therein, thereby solving the problem that it is not easy to clean the sample residue inside the drill tube.

The utility model relates to the technical field of soft soil sampling devices, and provides a soft soil quality investigation device which solves the technical problem that a subsequent soil detection result is affected to a certain degree due to the fact that traditional soft soil sampling equipment cannot accurately sample soil according to the sampling depth requirement in the soil sampling process. Comprising a fixing plate, a sliding groove limiting ring is installed on the edge of the bottom face of the fixing plate, a plurality of sliding grooves are evenly formed in the bottom face of the fixing plate in the circumferential radiation direction, sliding blocks are installed on the sliding grooves, arc-shaped exploration side plates in one-to-one correspondence with the sliding grooves are arranged below the sliding grooves, and soil breaking plates bent inwards are arranged at the bottoms of the arc-shaped exploration side plates; the top faces of the investigation side plates are connected with the sliding blocks on the corresponding sliding grooves through connecting rods, and when the sliding blocks slide to the positions, close to the center of the bottom face of the fixing plate, of the sliding grooves, the multiple investigation side plates are sequentially connected to form a cylindrical shell with the side wall closed and the bottom of a conical structure. The sampling device has the advantages of simple structure, convenience in operation, accuracy in sampling and the like.

The invention discloses a water quality sampling and detecting device for water conservancy and hydropower construction, and provides the following scheme that the water quality sampling and detecting device comprises a box body, a rotating disc is rotationally connected to the box body, a plurality of water storage bottles are inserted into the rotating disc, the box body is provided with a water pipe, the box body is provided with a first butt joint pipe block and a second butt joint pipe block, and a water inlet cylinder is installed at the tail end of the water pipe; a piston is slidably connected into the water inlet cylinder, and a laser lamp is installed on the box body. Water flow can continuously flush the water storage bottle through the water pump, purified water does not need to be carried, the size is small, operation and carrying are more convenient, when the laser lamp works and a water sample exists in the water storage bottle, light deflects, the light falling point deflects, and therefore the light is emitted to the light scattering plate, the light scattering plate is illuminated, and the water quality is improved. By controlling the power of the water pump, the position of the piston can be conveniently adjusted, the gravity center of the water inlet cylinder can be conveniently adjusted, a deep water layer can be conveniently sampled, a water pipe does not need to be held by hand, and the working intensity is reduced.

The invention discloses a current detection device, a control method, a control device, equipment, a medium and a vehicle, the current detection device comprises a controller, a first current detection branch and a second current detection branch, the first current detection branch and the second current detection branch are connected in parallel, the first current detection branch comprises a first current sampling resistor, and the second current detection branch comprises a second current sampling resistor. The second current detection branch comprises a second current sampling resistor and a switching device, the resistance value of the first current sampling resistor is larger than that of the second current sampling resistor, and the controller controls the switching device to conduct the second current detection branch under the conditions that the second current detection branch is disconnected and the detection current value is larger than a first current threshold value. And when the second current detection branch is conducted and the detection current value is smaller than a second current threshold value, the switching device is controlled to disconnect the second current detection branch, and the detection current value is the total current value flowing through the current detection device. According to the embodiment of the invention, the detection precision of currents with different magnitudes can be met at the same time.