769 results about "Graduated cylinder" patented technology

The invention relates to the technical field of road surface detection, and particularly discloses a road surface water seepage detection device for road construction, which comprises a measuring cylinder, a first valve, a second valve, a base, a rotating assembly and a supporting seat, the bottom side of the measuring cylinder is provided with a water outlet, and the bottom side of the base is provided with a groove; a first mounting hole and a second mounting hole which are communicated with the groove are formed in the top side of the base, the first mounting hole is communicated with one port of the first valve, the other port of the first valve is communicated with a water outlet of the measuring cylinder, and the second mounting hole is communicated with one port of the second valve; according to the road surface water seepage detection device for road construction, liquid paraffin is adopted for blocking a road surface outside the water seepage range, operation is easy, time is short, and meanwhile the influence of road surface runoff on water seepage detection is reduced.

The invention belongs to the technical field of sampling equipment, and particularly relates to I-type automatic liquid sampling equipment which comprises a support and a measuring cylinder assembly, a sampling assembly, a water inlet-stirring-drainage assembly and a control assembly which are arranged on the support. And finally, cleaning the inner wall of the cylinder and a pipeline. When the equipment provided by the invention is used for sampling, the sampling quality and stability can be improved, meanwhile, operators are reduced, and the efficiency and precision are improved.

The utility model belongs to the technical field of sewage treatment, and discloses novel flocculation stirring equipment which comprises a stirring tank, a stirring mechanism and a support frame, the inner cavity of the stirring tank is movably connected with the stirring mechanism, and the support frame is arranged on the stirring tank. A quantitative flocculant is injected according to the scales on the transparent measuring cylinder by closing the valve, then the air cylinder is started, the valve is opened, the piston rod on the air cylinder drives the cylinder to move, the cylinder drives the rubber sleeve to move, and the cylinder and the rubber sleeve are driven to enter the transparent measuring cylinder to extrude the flocculant in the transparent measuring cylinder. During the period, observation can be carried out through the observation window, and then the flocculating agent and the sewage are fully mixed by utilizing the stirring mechanism, so that particulate matters are combined into larger blocks and are precipitated, and the purpose of treating water quality is achieved, so that the flocculating agent can be conveniently and quantitatively put, and the sewage treatment efficiency is improved. And the waste of the flocculating agent can be avoided.

The utility model relates to the technical field of fertilizer production, and discloses a quantitative feeding mechanism and a water-soluble fertilizer production device.The quantitative feeding mechanism comprises a rack, a storage bin, an upper rotating disc and a lower rotating disc, the upper rotating disc is connected to the rack through a rotating shaft, a key groove is formed in the rotating shaft, two upper measuring cylinders are symmetrically arranged on the upper rotating disc, and the lower rotating disc is fixed to a connecting sleeve; a connecting key is arranged on the connecting sleeve, the connecting sleeve is connected with a lifting assembly, a lower measuring cylinder is arranged on the lower rotating disc, a discharging valve plate is arranged at the bottom of the lower measuring cylinder, and a discharging mechanism used for automatic discharging of the discharging valve plate is arranged on the lower rotating disc. According to the utility model, the waiting time is greatly reduced, and the working efficiency is improved.

The invention relates to the technical field of compressive strength detection equipment, in particular to aluminum profile compressive strength detection equipment which comprises a base, an inverted-U-shaped plate is connected to the top of the base, an electric clamp used for clamping and fixing an aluminum profile is arranged at the top of the base, and a display mechanism used for displaying the deformation sunken depth of the aluminum profile is arranged on the inverted-U-shaped plate. After the deformation sunken position of the aluminum profile extruded by the pressing block is aligned with the U-shaped push plate, the U-shaped push plate can be pushed under the action of the spring I to pull the piston rod to move downwards through the push-pull plate, so that the colored liquid in the measuring cylinder is pumped into the cylinder body through the liquid conveying pipe, and the liquid level variation of the colored liquid in the measuring cylinder is the deformation sunken depth of the extruded aluminum profile; the deformation sunken depth of the aluminum profile can be visually displayed through the scales on the measuring cylinder, so that the intuition and the convenience of the compressive strength detection of the aluminum profile are greatly improved, and the detection precision can be improved.

The invention discloses a micro-pressure tap density tester which comprises a micro-pressure tap density testing measuring cylinder and a vibration device, the micro-pressure tap density testing measuring cylinder comprises a measuring cylinder main body and a piston type flattening block which is arranged in the measuring cylinder main body and is used for flattening powder in the measuring cylinder main body; the piston type flattening block comprises a flattening body, a sealing ring, a filtering assembly and a balancing weight, and the sealing ring is arranged on the outer side of the flattening body; the flattening body is provided with an air hole penetrating through the surface and the bottom face of the flattening body, and the filtering assembly is arranged at an inlet or an outlet of the air hole. The balancing weight is borne on the surface of the flattening body; and the vibrating device is used for compacting the powder in the micro-pressure tap density testing measuring cylinder. The problem that the surface of the compacted powder is uneven can be solved, and test data are more accurate. In addition, the invention further discloses a micro-pressure tap density testing method.

The invention provides a one-stop rapid and accurate measuring device for coal seam gas content, and belongs to the technical field of coal mine safety. The device comprises a portable granular coal desorption and efficient crushing integrated device and a gas desorption amount automatic measuring device. The automatic gas desorption amount measuring device adopts a drainage volumetric method to automatically measure the desorption amount, so that manual reading errors are avoided; according to the granular coal desorption and efficient crushing integrated device, compressed air expansion, heat absorption and cooling are achieved through the double-layer light coal sample tank and the gas channel, the heat influence in the crushing process is reduced, and the measurement precision is ensured. According to the invention, the double-layer structure of the desorption measuring cylinder avoids bubble interference, the liquid level, temperature and air pressure integrated sensor realizes automatic measurement of environmental parameters, and the accuracy of desorption amount measurement is improved. And the crushing device adopts a high-speed gear type pneumatic motor and adapts to underground high-temperature, high-humidity and dust environments, so that the reliability of the device is remarkably improved. According to the invention, the underground one-stop rapid measurement of the coal seam gas content is realized, the data is stable and accurate, and reliable basic data is provided for coal mine gas treatment, coal seam gas resource utilization and methane emission metering.

The utility model discloses a defoaming agent testing device which comprises a base, an installation cavity is arranged in the base, and a liquid adding assembly, a defoaming agent adding assembly, a liquid discharging assembly, an air blowing assembly and a heating assembly are arranged in the installation cavity. A reference measuring cylinder and a test measuring cylinder are arranged on the base, and the lower ends of the reference measuring cylinder and the test measuring cylinder are arranged in the mounting chamber and are provided with liquid outlets; the heating assembly is connected with the lower ends of the reference measuring cylinder and the test measuring cylinder; the liquid adding assembly is used for respectively adding cleaning water or equivalent water-based ink into the reference measuring cylinder and the test measuring cylinder; the defoaming agent adding assembly is used for adding a set amount of defoaming agent into the test measuring cylinder; the liquid discharge assembly is used for discharging liquid in the reference measuring cylinder and the test measuring cylinder; the air-blowing assembly is used for conducting timed and quantitative air-blowing on the water-based ink in the measuring cylinder. The device is convenient to operate, can accurately simulate the actual production environment condition and accurately observe the foam height, is higher in accuracy of a test result, and is convenient for visual and quick comparison.

The utility model relates to the technical field of pulp injection in cake production, in particular to quantitative pulp injection equipment for cake production, which comprises a base, a vertical plate is fixedly connected to one side of the top of the base, a measuring cylinder is fixedly connected to the lower side of one side of the vertical plate, a square box is fixedly connected to the upper side of one side of the vertical plate, and a box body is fixedly connected to one end of the square box. Through cooperation of a vertical plate, a measuring cylinder, a square box and a grouting structure, when the device is used, a first motor drives a circular plate to rotate, the circular plate drives a circular block to rotate, the circular block drives a rotating rod to move, the rotating rod drives a short rod to move, the short rod drives a square rod to move downwards, the square rod drives a pressing plate to move downwards, and the pressing plate pushes slurry in the measuring cylinder downwards; and meanwhile, the grout attached to the inner wall of the measuring cylinder is scraped off through the pressing plate, the valve below the measuring cylinder is opened, quantitative grouting work is achieved according to the position of the scale line, the grout attached to the inner wall of the measuring cylinder can be scraped off conveniently, and waste of the grout is avoided.

The invention relates to the field of detection, in particular to a municipal road permeable material water permeability detection device which comprises a support, a base, a centering plate, a moving device, a rotating device, a sealing device and a measuring cup, and a supporting disc is rotatably mounted at the upper end of the base around the vertical axis; cutting plates are fixed to the upper and lower ends of the centering plate. When the centering plates are close to each other and abut against each other, a closed annular cavity is defined by the centering plates, the cutting plate and the side wall of the sample, the measuring cylinder is defined by the arc-shaped plates in an abutting mode, the sample is placed on the supporting disc, the moving device drives the centering plates to drive the cutting plate to be close synchronously, the sample is clamped and centered, and the sample and the supporting disc are coaxial. It is guaranteed that water flows downwards along the axis of the sample in the subsequent experiment process, and the experiment accuracy is improved.

The utility model provides a device for testing defoaming and foam inhibition performance, which is characterized by comprising an air pump, a three-way pipe, a first measuring cylinder, a second measuring cylinder, a foaming structure and a constant-temperature circulating water bath device, the air pump is connected with a first end of the three-way pipe through a first connecting pipe, the first measuring cylinder and the second measuring cylinder are identical in structure, and jackets are arranged on the outer walls of the measuring cylinders. The jacket of the first measuring cylinder is connected with the jacket of the second measuring cylinder through a second connecting pipe, the jacket of the second measuring cylinder is connected with one end of the constant-temperature circulating water bath through a third connecting pipe, and the jacket of the first measuring cylinder is connected with the other end of the constant-temperature circulating water bath through a fourth connecting pipe; the second end and the third end of the three-way pipe are connected with foaming structures through a fifth connecting pipe and a sixth connecting pipe respectively, and the two foaming structures stretch into the first measuring cylinder and the second measuring cylinder respectively. The device for testing the defoaming and foam-inhibiting performance can be operated simply and test the defoaming and foam-inhibiting performance quickly.

The invention relates to the technical field of mechanical clamping hands, and discloses a mechanical clamping hand and a constant-temperature and constant-humidity closed box system comprising the mechanical clamping hand, the mechanical clamping hand comprises a mechanical arm and a mounting plate, the mounting plate is arranged at one end of the mechanical arm, and a T-shaped rail is arranged on the outer surface of the mounting plate. The first plate bodies are limited through the second plate bodies, one of the two first plate bodies can be static relative to the block bodies, the other first plate body rotates relative to the block bodies, at the moment, one of the two block bodies is static at the fixed position of the T-shaped rail, and the other block body is driven by the first plate bodies to move close to the static block body in the central axis direction of the T-shaped rail; by means of the device, when the distance between the measuring cylinder and the inner wall of the closed box is small, one block close to the measuring cylinder is still, then the measuring cylinder is clamped through the other block, and normal sample separation of samples cannot be affected.

The invention relates to a shale oil reservoir propping agent reflux quantitative evaluation method, which comprises the following steps of: calculating the width, height and length of a full-size coring core crack, and converting the field fracturing fluid flow-back displacement and shale oil daily output into laboratory simulation displacement and output; preparing simulated shale oil and fracturing fluid; filling a propping agent; vacuumizing is conducted; filling the artificial fracture with fracturing fluid; the empty measuring cylinder is filled with fracturing fluid, and the volume is recorded; the simulated shale oil is injected according to the yield, and the production process is simulated; taking down the measuring cylinder which collects the fracturing fluid and simulates the shale oil and the proppant every 24 hours; the fracturing fluid is slowly added into the measuring cylinder which is taken down at the ith time and filled with the fracturing fluid, the simulated shale oil and the proppant until the simulated shale oil is completely discharged, the volume V < branch i > of the proppant flowing back within 24 hours at the ith time is calculated, and the ratio of the V < branch i > to the volume of the proppant filled in the crack before the experiment is the proppant backflow rate at the moment. According to the invention, the proppant backflow condition under the real shale reservoir condition can be evaluated.

The utility model relates to the technical field of liquid level detection, in particular to a high-sensitivity liquid level detection device which comprises a tank body and a measuring cylinder, a sliding groove is formed in the inner wall of the tank body, a limiting block is movably connected in the sliding groove, the surface of the limiting block is fixedly connected with a buoy, a stand column is fixedly connected in the measuring cylinder, and the stand column is fixedly connected with the measuring cylinder. A roller is movably connected to the interior of the stand column, a connecting rod is movably connected to the roller through a roller shaft fixed to the interior of the roller, a sliding block is fixedly connected to the surface of the connecting rod, a spring is fixedly connected to the interior of the sliding block, a clamping plate is fixedly connected to one end of the spring, and a pull rod is fixedly connected to the top of the clamping plate. The liquid level detection device is provided with the limiting block and the rolling wheel, the buoy is prevented from deviating, the sliding block is prevented from shaking when moving up and down, the influence on the liquid level detection result is avoided, the spring, the clamping plate and the pull rod are arranged, the liquid level detection device can be zeroed according to the size and the requirement of a tank body, and the applicability is high.

The invention relates to the technical field of sewage treatment, and discloses equipment for automatically detecting SV of sludge settlement, which comprises a reading machine and a mounting support plate on one side of the reading machine, a measuring cylinder is arranged on one side, close to the reading machine, of the mounting support plate, and a mounting seat is fixedly connected to one side, close to the mounting support plate, of the measuring cylinder. A first mounting frame is mounted on the side, close to the reading machine, of the mounting supporting plate, a sliding rail mechanism is fixedly connected to the side, close to the mounting supporting plate, of the first mounting frame, a wire groove guide chain mechanism is mounted on the side, away from the measuring cylinder, of the sliding rail mechanism, and a sliding table guide rail for flushing and an SV detection sliding table guide rail are arranged on the side, close to the measuring cylinder, of the sliding rail mechanism. According to the device, after sampling, the device can automatically detect SV30, data are obtained by driving a mechanical structure to move through signals of an optical sensor, the SV30 value is obtained through integration and analysis, the measurement precision can reach 1 ml, a non-contact measurement method is adopted in the mode, and pollution to measurement equipment can be reduced.

The utility model discloses a feeding device for milk powder production, and relates to the technical field of milk powder production, in particular to a feeding device for milk powder production, which comprises a mounting frame, a feeding mechanism is arranged on the mounting frame and is used for feeding milk powder, and the feeding mechanism comprises a material distributing assembly, a feeding assembly and a discharging assembly, comprising a turntable rotatably mounted below the front end of a mounting frame, a plurality of measuring cylinders distributed circumferentially are mounted on the outer edge in the turntable, an air cylinder is mounted in the center of the top of the turntable, an upper support is fixed to the output end of the air cylinder through a housing, a material pipe is mounted at each end, away from the axis, of the upper support, and a sealing ring is fixed to the outer wall of the upper end of each material pipe; the problems that in the scheme, milk powder in a discharging hopper can be quantitatively conveyed into a filling hopper to be filled through a material distributing column in a material distributing tank, however, due to the fact that the capacity of the material distributing tank and the capacity of the material distributing column are fixed, the amount of added milk powder cannot be adjusted, and the filling requirements of tank bodies with different capacities cannot be met are solved.

The utility model relates to the technical field of real stone paint production, and discloses a natural sand excavation quantitative conveying device for real stone paint processing, which comprises a base plate, a material conveying mechanism is arranged at the top of the base plate, a quantitative mechanism is arranged at the top of the base plate, the quantitative mechanism comprises a stepping motor, the stepping motor is fixedly connected with the base plate, and the stepping motor is fixedly connected with the base plate. And a driving wheel is fixedly mounted on an output shaft of the stepping motor. Materials can be conveyed by arranging the conveying mechanism, the materials can be quantitatively conveyed by arranging the quantifying mechanism, the volume of the measuring cylinder is a fixed value, after the measuring cylinder is filled with the materials, the same amount of materials can be conveyed each time, errors are reduced, the scattered materials can be received by arranging the collecting mechanism, the materials are prevented from scattering after the measuring cylinder is filled with the materials, and the working efficiency is improved. And a moving mechanism is arranged, and universal wheels can be ejected out or retracted by controlling stretching and retracting of second electric push rods, so that the device is convenient to move.

The utility model discloses a medicine intermediate multi-bin raw material mixer which comprises a base, storage tanks, a mixing tank and a second measuring cylinder, two hydraulic cylinders which act synchronously are installed at the top of the base, piston rods of the two hydraulic cylinders are fixedly provided with a same lifting plate, the lifting plate is provided with a plurality of detachable storage tanks, and the storage tanks are connected with the mixing tank through a connecting rod. The bottom of the material storage tank is communicated with a first material outlet, a first electromagnetic valve is mounted on the first material outlet, the first material outlet is communicated with a first measuring cylinder, the first measuring cylinder is communicated with the mixing tank through a first material taking pipe, and a second electromagnetic valve is mounted on the first material taking pipe; a stirring mechanism for stirring internal fluid is mounted in the mixing tank, and a turbulent flow mechanism for disturbing the internal fluid is mounted in the mixing tank. Raw materials can be quantitatively taken, and the operation efficiency is high.

The invention relates to the technical field of surrounding rock water seepage tests, and discloses a tunnel excavation surrounding rock water seepage test device which comprises a box body, a water collecting tank is formed in the bottom of the box body, a filter plate is fixedly connected to the middle of the water collecting tank, a measuring cylinder is clamped to the bottom of the water collecting tank, and a cylinder taking opening is formed in the right side face of the box body. Liquid in an arc-shaped shell enters a liquid inlet shell, so that a push rod slides towards the outer side, the push rod can drive a sliding rod to slide towards the outer side, then a limiting inclined block is driven to slide towards the outer side, the limiting inclined block does not limit a partition plate any more, a compression spring can push a T-shaped rod to move upwards, and therefore the liquid is pushed to drive the partition plate to move upwards; water on the left side of the surrounding rock penetrates through the surrounding rock and is collected in the measuring cylinder, and the permeability characteristic of the surrounding rock after rapid unloading is obtained by observing the change of the water amount in the measuring cylinder, so that the problem of surrounding rock water seepage after tunnel unloading in different stress states is simulated is solved.

The invention discloses an asphalt concrete permeability detection device, and relates to the technical field of concrete detection equipment. The device comprises a measuring cylinder, and a pressurizing assembly is arranged in the measuring cylinder. A threaded rod is driven to rotate by rotating a first rotary knob, so that an adjusting block moves vertically and downwards, a fixing plate and a sealing gasket are driven to move vertically and downwards through a limiting rod and a connecting rod, when the sealing gasket moves to the position below a liquid inlet pipe, the interior of the measuring cylinder is in a closed state, and the sealing gasket continues to move downwards; the pressure in the measuring cylinder is gradually increased, the pressure at the moment is judged through the pressure gauge, when the pressure reaches the standard atmospheric pressure, follow-up detection can be carried out, by arranging the assembly, the problem that the detection result is influenced by the low-pressure environment when the road surface in the high-altitude area is detected is effectively solved, the effect of reducing errors can be achieved, and meanwhile the detection accuracy is improved. The accuracy of a detection result is improved, and evaporation of detection liquid in a low-pressure environment is avoided.

The utility model relates to the technical field of hydrological rainfall equipment, and discloses a hydrological rainfall gauge which comprises a graduated cylinder, a supporting mechanism is fixedly connected to the bottom of the graduated cylinder, and a filtering mechanism is fixedly connected to the top of the graduated cylinder. The supporting mechanism comprises a base, the base is fixedly connected to the bottom end of the scale cylinder, round rods are rotationally connected to the interiors of the four ends of the base correspondingly, a T-shaped round plate is fixedly connected to the middle of the surface of each round rod, positioning rings are fixedly connected to the two ends of the surface of each round rod correspondingly, and a supporting cylinder is fixedly connected to the top of the base; the top of the supporting cylinder is fixedly connected with a first spring. According to the hydrological rain gauge, after the ground nails are driven to move downwards and are inserted into the soft ground, all the ground nails are inserted into the ground, then a shifting ring is sent away, and a positioning strip is clamped into a positioning hole under the elastic supporting effect of a first spring, so that the supporting effect on graduated cylinder equipment can be enhanced when the hydrological rain gauge is used.

The invention relates to the technical field of sanitary napkin permeability testing, in particular to permeability testing equipment and method in the production process of dry and comfortable sanitary napkins with macromolecular water-absorbing factors, the permeability testing equipment comprises a support assembly, the support assembly is composed of a bottom plate and a rear side plate, a clamping assembly is arranged on the front side of the rear side plate, and a measuring assembly is arranged on the bottom plate; the clamping assembly comprises a clamping plate structure, a pressing plate and a pressing rod, the clamping plate structure comprises a clamping plate and a connecting cylinder, the measuring assembly comprises a liquid collecting tank, a measuring cylinder and a collecting box, transmission structures are arranged on the two sides of the collecting box, and a piston structure is arranged in the measuring cylinder. According to the device, by arranging the clamping assembly and the measuring assembly, when a sanitary towel is taken down, collected redundant simulation liquid is directly discharged out of the measuring cylinder, operation is convenient and easy, meanwhile, a cleaning ring can clean the inner wall of the measuring cylinder, the situation that the accuracy of next detection is affected by simulation liquid residues is avoided, and meanwhile the device is provided with an angle adjusting structure; the placement angle of the sanitary napkin can be adjusted before detection so as to meet experimental requirements.

The utility model discloses a cleaning and drying device for chemical product experimental equipment, and relates to the field of cleaning and drying equipment. Comprising a box body and a box cover; a box cover is movably mounted at the top of the box body; a motor is installed at the bottom of the box cover, an output shaft of the motor is connected with a water spraying piece located below the motor, a first water storage cavity is formed in the water spraying piece, a plurality of evenly-distributed first water spraying holes are formed in the bottom end of the water spraying piece, and the first water spraying holes communicate with the first water storage cavity; a horizontally arranged draining plate is arranged in the box body, and a plurality of water permeable holes are formed in the surface of the draining plate; the interior of the box body above the draining plate is a cleaning and drying area, and the interior of the box body below the draining plate is a draining area; a plurality of uniformly distributed supporting mechanisms are arranged at the top of the draining plate, and a fixing mechanism is arranged on the outer side of each supporting mechanism; the device can be used for cleaning the interiors and the exteriors of a plurality of equipment instruments such as test tubes, measuring cylinders, measuring cups, wide-mouth bottles and flasks at the same time, the drying time is shortened, and manpower is saved.

The utility model discloses a device for tunnel water seepage detection, which relates to the field of tunnel detection equipment and comprises a capacity cylinder, a positioning cover and a chassis, a hollow cavity is formed on the cover wall of the positioning cover, the capacity cylinder is placed in the hollow cavity, the chassis is of a hollow structure, the positioning cover is connected with the chassis, and the hollow cavity is communicated with the hollow structure of the chassis. The capacity cylinder can move into the hollow structure of the chassis from the hollow cavity; the upper end of the volume cylinder is movably connected with a sealing cover which is connected with a force application mechanism; a sealing gasket is arranged at the lower end of the capacity cylinder, and when the capacity cylinder moves into the hollow structure of the base plate, the sealing gasket enables the capacity cylinder and the base plate to be sealed; a screw penetrates through the side face of the positioning cover. According to the utility model, the screws penetrate through the side wall of the positioning cover, and the displacement of the capacity cylinder in the vertical direction is controlled through the screws, so that the capacity cylinder is limited, and the purposes of no need of manual force application for limiting and high air tightness are achieved.

The utility model discloses a device for quickly measuring gas content, which comprises a crusher, a desorption unit and a host, the pulverizer comprises a support, a pulverizer material bowl installed in the support, a blade located in the pulverizer material bowl, a pneumatic motor located below the pulverizer material bowl and used for driving the blade to rotate, and a pressure regulating filter installed on the support and connected with the pneumatic motor. The desorption unit comprises a base, a measuring cylinder mounted on the base, and a water level monitoring sensor positioned in the measuring cylinder and used for measuring the displacement of a water level, and a vent valve communicated with a material bowl exhaust port of the crusher material bowl is arranged on the measuring cylinder; a data acquisition device and an ARM single-chip microcomputer which are connected with the water level monitoring sensor through cables are arranged in the host. The device can rapidly measure underground readings, and is convenient to carry, good in stability, high in measurement precision and high in automation degree.

The present invention relates to a seepage erosion test system designed to evaluate soil erosion under controlled conditions. The system includes an acrylic rectangular pipe featuring a circular opening at its lower end. Attached to this is a soil sample pushing sub-device that encompasses a cylindrical sample tube, a piston, and four pore pressure gauges. The piston, which moves vertically within the tube. Additionally, the system incorporates a graduated cylinder pressurizing sub-device consisting of a graduated cylinder for water, a push plate, and a second pushing device for hydraulic pressurization. Water flow is regulated through a hose connected at one end to the piston and equipped with a valve for control. An air release valve and an air pressure sensor are also included for monitoring pressurization. The setup is completed with a three-way valve connected to the pipe, facilitating precise control of water flow and pressure during testing.

The invention relates to the technical field of sewage discharge, and discloses environment-friendly sewage discharge detection equipment which comprises a measuring cylinder and a detection support arranged outside the measuring cylinder. The detection part comprises a hollow floating ball placed in the measuring cylinder, a detection probe mounted at the bottom of the hollow floating ball, and a tension sensor mounted on a detection bracket and close to the side wall of the measuring cylinder; the hollow floating ball slides on the inner side of the measuring cylinder, and a stranded wire is connected between the testing end of the tension sensor and the hollow floating ball. The sewage detection device has the effect that whether the detection probe in the detection cavity makes contact with sewage or not cannot be known directly.

The utility model belongs to the technical field of plant irrigation and provides a controllable irrigation system which comprises a water tank, a measuring cylinder, a water supply assembly and an adjusting assembly. During irrigation, water in the water tank is conveyed into the metering cavity by starting the water supply assembly, the metering cavity is filled with the water, then the water in the metering cavity is discharged through the irrigation pipe by opening the valve on the irrigation pipe, and then irrigation operation can be carried out; when the adjusting piston slides upwards in a sealed mode in the axial direction of the metering cavity, the adjusting piston can reduce the capacity of the metering cavity, and therefore the irrigation water amount is reduced, conversely, when the adjusting piston slides downwards in a sealed mode in the axial direction of the metering cavity, the adjusting piston can increase the capacity of the metering cavity, the irrigation water amount is increased, and the irrigation amount can be adjusted conveniently according to irrigation requirements. The practicability of the device is improved.

The utility model discloses a device for measuring the tap density of a battery electrode powder material, which relates to the technical field of tap density measurement and comprises a vibration device body, a touch screen and a measuring cylinder, a graduated scale is arranged on the measuring cylinder, a rotating seat is mounted above the vibration device body, auxiliary shafts are annularly and uniformly arranged above the rotating seat, and the auxiliary shafts are arranged on the touch screen. The auxiliary shaft is connected with the rotating seat through a bearing, the lower middle part of the rotating seat is rotatably connected with a main shaft, the main shaft and the auxiliary shaft are fixedly provided with a driving gear and a driven gear respectively, a driving assembly is arranged below the rotating seat, supporting assemblies are distributed below the vibration device body in a square shape, and a horizontal bubble instrument is arranged on the upper left part of the vibration device body. According to the scheme, the horizontal bubble is installed on the horizontal table top of the vibration device body, the height of the supporting legs is adjusted up and down, the surface of a vibrated powder material is flush with scale marks of a measuring cylinder, errors generated during reading can be reduced, the tap density is calculated through the touch display screen, and the working efficiency is improved.

The utility model discloses a medicament dilution dosing device, which relates to the medicament preparation field, and comprises a measuring cylinder, the inside of the measuring cylinder is in sliding connection with a medicament control cylinder, the side wall of the bottom end of the medicament control cylinder is fixedly connected with a clamping seat, the inner side wall of the measuring cylinder is provided with a convex block, the edge of the clamping seat is provided with a groove, and the convex block is provided with an opening. A sliding groove is formed in the side wall of the measuring cylinder, a sliding rod is slidably connected into the sliding groove, a rotating piece is fixedly connected to the bottom end of the sliding rod, through grooves are formed in the bottom end wall of the measuring cylinder and the rotating piece, and a turning cover and a sealing rubber ring are arranged at the bottom end of the measuring cylinder. The measuring cylinder, the base, the protruding block, the groove, the sliding groove, the sliding rod, the rotating piece and the through groove are arranged in the measuring cylinder, communication and separation of the measuring cylinder and the measuring cylinder can be achieved only by rotating the rotating piece, the amount of a medicament in the measuring cylinder can be accurately controlled, and therefore the accuracy of a preparation result is improved, and meanwhile the device does not need to be repeatedly observed by human eyes; therefore, the preparation efficiency is effectively improved.