450results about "Level indicators by dip members" patented technology

The utility model discloses a water level monitoring device for water environment governance, which comprises a supporting device, a displacement device is sleeved on the outer ring of the rear end of the supporting device in a sliding manner, a cleaning device is fixedly mounted at the top end of the supporting device, and the displacement device comprises a displacement sleeve plate, a pointer and an air bag. The air bags are fixedly installed at the two ends of the displacement sleeve plate, the pointers are symmetrically and fixedly installed at the front end of the displacement sleeve plate, the cleaning device comprises a scraping plate, a worm wheel, a supporting frame, a winding wheel and a connecting rope, the worm wheel is rotationally installed in the center of the front end of the supporting frame, and the winding wheel is fixedly installed in the center of the front end of the worm wheel. And the connecting rope is fixedly installed on the outer ring of the winding wheel, the scraping plate is fixedly installed at the bottom end of the connecting rope, and the supporting device comprises a driving motor, a worm, a vertical groove, a vertical plate and a round rod. Through the arrangement of the displacement device, the cleaning device and the supporting device, the purpose of cleaning the scaleplate is achieved.

A no emission tank gauge has a housing having a valve connection extending from a bottom side of the housing, a gauge line within the housing, the gauge line having a plumb bob attached at a free end, a pulley attached within the housing and supporting the gauge line, the pulley configured to allow extension and retraction of the gauge line, and an actuator connected to the pulley and extending exterior to the housing and configured to actuate the extension and retraction of the gauge line via rotation of the pulley. The housing has a window in a wall of the housing facing a marked side of the gauge line. The valve connection has an opening sized to allow for passage of the plumb bob and the gauge line. The housing is sealed when the valve connection is connected to a valve to prevent escape of fluid.

Methods, apparatus, and systems for determining a level of a liquid in a liquid-containing vessel are disclosed. The liquid-containing vessel may be fluidically connected to a displacer cage. The method may include obtaining, with a load measurement device, a weight force of a displacer suspended from the load measurement device and disposed within the displacer cage. The method may also include submerging the displacer into the liquid and obtaining, with the load measurement device, a net force acting on the displacer. The method may further include obtaining, with a liquid density measurement sensor disposed within the displacer cage, a liquid density at a first location of the liquid. The method may still further include determining, using, at least, the net force and the liquid density at the first location of the liquid, the level of the liquid in the vessel.

The utility model provides a hydrogen peroxide storage tank liquid level meter which comprises a liquid level meter body, a protective shell is installed on the outer side of the liquid level meter body, and a plurality of sets of U-shaped visible windows are arranged on the outer side of the protective shell. Connecting pieces are installed at the two ends of the protective shell. According to the liquid level meter, the liquid level meter body is matched with the protective shell, so that the liquid level meter body can be protected, the liquid level meter body is prevented from being damaged due to the fact that the liquid level meter body is collided by the outside in the using process, and the service life of a product is prolonged; according to the liquid level meter, the U-shaped visual window is matched with the protective shell, a user can conveniently observe the liquid level meter body in a multi-direction and multi-angle mode, the sealing performance of the protective shell can be improved through matching of the sealing sleeve, the liquid level meter body and the protective shell, the liquid leakage condition is avoided, and therefore the measurement accuracy of the liquid level meter is improved.

The utility model discloses a fire-fighting natural water source intake water level monitor, which relates to the technical field of water level monitoring and comprises a tripod device and an aluminum alloy box staff, a telescopic pull box is fixedly mounted at the top end of the aluminum alloy box staff, and a steel wire rope is fixedly connected between the telescopic pull box and a support plate. The steel wire rope is movably sleeved with a noctilucent floating ball; both the tripod device and the aluminum alloy box staff can be adjusted within a certain range according to the liquid level height of a natural water area, the liquid level height information can be conveniently collected through the arranged noctilucent floating ball, the liquid level height information can be conveniently used at night through the arranged spotlight, and the tripod device can be folded and is convenient to carry. The portability is further improved through the arranged straps, a water source can be found conveniently, whether the selected water source meets the water taking condition or not can be reported to a commander, and in addition, barbs are additionally arranged on the side face of a fixing base of the tripod device and can be inserted into sludge to improve the stability of the tripod device.

The utility model belongs to the technical field of land surveying and mapping devices, and particularly relates to a land surveying and mapping measuring tool, which is characterized in that an inserting rod of an alloy tripod can extend into a flat ground far away from a river to stabilize the device, and a sliding seat can drive an upper mother board and a lower mother board to move along a slotted horizontal plane of a through hole; the upper mother board and the lower mother board extend into the water from the upstream of the river and gradually move to the deep water, so that the measurement range is widened; the electric telescopic rod on the inner side of the upper mother plate can be started, the push rod pushes the lower mother plate at the bottom to extend out of the upper mother plate until the push rod makes contact with a riverbed, the lower mother plate is flexibly controlled to stretch out and draw back in an electric mode, and collision is effectively prevented; and then, the level gauge body provides a horizontal sight line, can be aligned with the leveling rod for reading and is used for measuring the height difference between two points, and scale marks of the upper mother board and the lower mother board are added, so that the depth of the water level is accurately measured, and high-precision measurement is completed.

The utility model discloses a liquid dropping detection device for lubricating oil detection, which comprises a base, a collecting box is arranged in the middle of the upper end of the base, the collecting box is attached to the base, a transparent oil storage tank is arranged on one side of the upper end of the base, a tank cover is arranged at the upper end of the transparent oil storage tank, and the liquid dropping detection device further comprises a first transmission cavity, the first transmission cavity is formed in one side of the interior of the base, a threaded rod is rotationally arranged on one side of the interior of the first transmission cavity, a lifting plate is in threaded connection with the exterior of the threaded rod, one end of the lifting plate extends to the exterior of the first transmission cavity, and a liquid dropping nozzle is arranged at the end, located outside the first transmission cavity, of the lifting plate. According to the dropping liquid detection device for lubricating oil detection, the distance between the dropping liquid nozzle and the collection box can be controlled, so that the proper dropping speed can be adjusted, the applicability is improved, detection is facilitated, the dropping area of lubricating oil can be illuminated through the illuminating lamp, and the practicability is good.

The invention discloses a water surface LNAPL layer thickness online monitoring device and method based on the light refraction principle. The device is composed of a laser range finder, a light receiver, a light source, a distance rod, data processing equipment and the like. The length of the distance rod in liquid is calculated through data of a laser range finder, and the thickness of the oil film in underground water is calculated according to the transverse propagation distance difference of the running path of light passing through an oil layer or not. The device is free of moving equipment, low in failure rate, small in size and high in precision, and is not influenced by underground water level fluctuation. According to the method, real-time online monitoring of the NAPL phase thickness in underground water can be realized through the underground water monitoring well.

The utility model relates to the technical field of underground water level measuring devices, and discloses an underground water level ruler suitable for various wellhead conditions, which comprises a support main body, a control panel is mounted on one side of the support main body, and a switch, an indicator light, a voltmeter, a buzzer, a battery compartment and a handle are arranged on one side of the control panel. According to the underground water level gauge suitable for various wellhead conditions, the limiting rod is pulled to move outwards until the limiting rod is separated from the interior of the limiting hole, fixing of the connecting ring is relieved, balance weight devices of different shapes can be selected and used according to the field wellhead conditions, and even if the water level gauge body is clamped in field measurement, the water level gauge body can be conveniently used. When the bearing threshold value of the connecting ring is exceeded, the water gauge main body can also be pulled out, the water gauge main body is a steel bendable ruler, water level measurement work can be continued by replacing a proper balancing weight on site, the field actual working efficiency is effectively improved, and the working cost is reduced.

The invention relates to a combined metering method and system for the slag discharge amount of a slurry shield tunneling machine. The method comprises the steps that the slurry change amount in a slurry tank before and after each segment of the slurry shield tunneling machine is tunneled is measured; the muck variation of the muck field in the whole tunneling process of the slurry shield tunneling machine is measured; comprehensively calculating the slag tapping quantity of the real square; calculating an actual check volume according to the specification of the slurry shield tunneling machine; the flow and density of the slurry pipeline in the whole tunneling process are measured in real time, and the real-square deslagging check quantity is calculated; and calculating a first deviation value between the real square check volume and the real square slag discharge quantity, calculating a second deviation value between the real square slag discharge check quantity and the real square slag discharge quantity, and checking the real square slag discharge quantity by judging the first deviation value and the second deviation value. According to the method, a plurality of data sources are integrated, the actual volume deslagging quantity generated in the tunneling process of each ring of duct piece of the slurry shield tunneling machine is calculated more accurately, the actual volume checking volume and the actual volume deslagging checking quantity are used for checking, and the reliability of a measurement result is improved.

The utility model belongs to the technical field of river and lake water conservancy measurement, specifically a measuring device for river and lake water conservancy projects, comprising a measuring device body; a winding device is fixedly connected to the bottom inner side of the measuring device body; a winding auxiliary wheel is fixedly connected to the top of the measuring device body; the winding auxiliary wheel is arranged above the winding device; a measuring rope is fixedly connected to the outer wall of the winding device; the outer wall of the measuring rope and the outer wall of the winding auxiliary wheel are in contact with each other; when working, it can drive the first transmission gear to rotate together, and the rotating first transmission gear can clean the impurities attached to the outer wall of the measuring rope through multiple groups of first cleaning plates; the overall device improves the cleanliness of the measuring rope surface, and reduces the situation that a certain amount of impurities and aquatic plants will inevitably adhere to the surface of the measuring rope during the winding process, causing pollution to the paint surface of the winding device; the overall device improves the stability of the winding device when working for a long time.

The utility model discloses a water depth measuring device for a water conservancy project, which comprises a mounting table and a support frame positioned on the mounting table, a reel is arranged on the support frame, a motor connected with the reel is arranged on one side of the support frame, a measuring rope with scale marks is wound on the reel, and the scale marks are arranged on the measuring rope. A guide structure used for guiding a measuring rope is arranged below the reel, a gravity block is arranged at the tail end of the measuring rope, a pressure sensor used for detecting the gravity of the measuring rope is arranged on the guide structure, and a through hole allowing the measuring rope to pass through is formed in the mounting table. A floating platform movably connected with the bottom of the mounting table is arranged under the through hole, the floating platform is arranged around the measuring rope, and the floating platform is provided with a camera facing the scale marks. Compared with the prior art, the accuracy and stability of water level measurement are improved.

The invention discloses a water level monitoring device for hydrological engineering geology, which relates to the technical field of hydrological engineering and comprises a top plate arranged on a monitoring cylinder, a floating plate arranged in the monitoring cylinder, a first end of a sliding marker post vertically connected to the floating plate, and a second end of the sliding marker post respectively and slidably penetrating through the top wall of the monitoring cylinder and the top plate and extending out of the top plate. A monitoring camera is arranged on the top plate on the right side of the sliding marker post penetrating through the top plate, a storage battery is arranged on the top plate on the right side of the monitoring camera, and a solar panel is arranged on the top plate on the right side of the storage battery; a first cleaning mechanism for cleaning the inner wall and the outer wall of the monitoring cylinder is arranged on the monitoring cylinder; a filter plate is arranged at the bottom of the monitoring cylinder, and a second cleaning mechanism for cleaning the filter plate is arranged below the filter plate; a knocking mechanism for vibrating the filter plate is arranged on the outer side of the second cleaning mechanism, the knocking mechanism is driven by the first cleaning mechanism, and the second cleaning mechanism is driven by the knocking mechanism; the device is simple and reliable in structure, good in water level monitoring effect, convenient to control and suitable for popularization.

The invention provides a liquid level measuring device for liquid crystal glass substrate production and a measuring method, the liquid level measuring device comprises a support frame mounted on one side of a glass liquid container, the top of the glass liquid container is provided with a through hole communicated with the interior of the glass liquid container, and one end of the support frame extends to the upper part of the through hole. Through the design of the telescopic mechanism, the cleaning mechanism and the limiting mechanism, the cleaning mechanism extends into the molten glass container through the telescopic mechanism, so that the cleaning mechanism is in contact with the bottom of the outer side wall of the detection floating ball, and at the moment, the limiting mechanism limits the upward sliding of the measuring rod on the supporting frame; the bottom position of the outer side wall of the detection floating ball can be scraped and cleaned through the cleaning mechanism, so that the situation that in the long-term monitoring process of the glass liquid level, attachments are attached to the surface of the detection floating ball, the weight of the detection floating ball is changed, and the buoyancy of the detection floating ball is changed is effectively avoided; therefore, the detection precision of the glass liquid level is improved.

The utility model discloses a foldable storage water level marker post, which relates to the technical field of water level marker posts and comprises a first marker post and a base, the base is connected to the bottom end of the outer wall of the first marker post, a second marker post is arranged above the first marker post, and an auxiliary mechanism is arranged below the second marker post. When the water level marker post capable of being folded and stored is used, the water level marker post is folded and stored through the auxiliary mechanism, so that the overall length and occupied space are reduced, a worker can conveniently carry the water level marker post to move to different places for water level detection, and a reinforcing rod is inserted into river sludge through the supporting mechanism; and then the fixing effect between the base and a river channel is improved, the water level marker post is prevented from inclining when being impacted by water waves, the supporting stability of the water level marker post is improved, and therefore when the water level marker post is used, the effects of being convenient to fold and store and supporting and preventing inclination are achieved.

The invention relates to the field of bridge operation safety, in particular to a flood season bridge water level monitoring and early warning method and system. The method comprises the following steps: constructing a flood season bridge safety water level system; setting a flood season bridge safety water level mark according to the flood season bridge safety water level line system; based on the safe water level mark of the bridge in the flood season, obtaining the water depth of a pier; acquiring a monitoring result of the water level under the bridge according to the water depth at the bridge pier; through the monitoring result, the risk early warning of the water level under the bridge in the flood season is realized. Water lines are marked in a color separation and grading mode, the warning water level prompting sign is additionally arranged, a standardized and visual water level recognition system is constructed, the function limitation of an existing water level mark is effectively made up, and the accuracy of bridge safety monitoring in the flood season and the timeliness of emergency disposal are remarkably improved; the water depth is monitored through the Karman vortex street effect and the low-concentration ion marking technology, water level over-limit real-time early warning is achieved, and a quantitative basis is provided for bridge safety assessment and emergency sealing control.

The utility model discloses a water level gauge for a water conservancy project, which is characterized in that a fixed base is arranged at the bottom of a measuring ruler, ruler scales are arranged on the side edge of the measuring ruler, a lifting sliding cavity is arranged in the measuring ruler, a lifting buoy is arranged in the lifting sliding cavity, and a highest water level lifting ruler is arranged at the top of the lifting buoy; an L-shaped water inlet pipe is arranged in the left side of the fixed base, the top of the L-shaped water inlet pipe communicates with the bottom of the lifting sliding cavity, a one-way water inlet valve is installed on the L-shaped water inlet pipe, and an electromagnetic drainage valve is installed on the right side of the lower portion of the lifting sliding cavity; a water source in the lifting sliding cavity is released through the electromagnetic drain valve, and the record of the last highest water level is emptied. The water level display device is reasonable in design, can display the real-time water level outside through the scales of the ruler, and can drive the lifting ruler to display the highest water level line during measurement through the lifting of the built-in buoy.

The invention relates to the field of underground water sampling equipment, and discloses an underground water sampling device which comprises a base, a winding roller is movably mounted at the top of the base, pull ropes are wound on the outer diameters of the two sides of the winding roller, a drainage pipe is wound on the outer diameter of the middle of the winding roller, and the tail ends of the winding roller are fixedly connected to the two sides of the top end of a probe respectively. An upper cavity is formed in the upper side of the interior of the probe, a sleeve is movably installed in the middle of the interior of the upper cavity, a plurality of water storage tanks are formed in the positions, close to the outer side of the upper cavity, of the interior of the probe, a rotating shaft is movably installed on the lower side of the interior of the upper cavity, and a lower cavity is formed in the lower side of the interior of the probe. According to the underground water sampling device, on one hand, underground water can be pumped out for conventional sampling through the water absorption and drainage effects of the rubber piston, on the other hand, the water storage tank can collect underground water at different water levels to serve as sampling specimens, underground water sampling in multiple modes is achieved, and different sampling requirements are met.

The utility model relates to the technical field of telescopic measuring rods, and discloses a telescopic measuring rod which comprises a first measuring rod, a second measuring rod slidably sleeved on the outer side of the first measuring rod, a third measuring rod slidably sleeved on the outer side of the second measuring rod, and a conical block fixedly connected with one end of the first measuring rod. Calibrated scales are arranged in the outer sides of the first measuring rod, the second measuring rod and the third measuring rod in a sliding mode, connecting plates are fixedly arranged on the two sides of the calibrated scales, and the multiple calibrated scales are installed in the outer sides of the first measuring rod, the second measuring rod and the third measuring rod through the connecting plates in a sliding mode during use. Then the second measuring rod is installed on the outer side of the first measuring rod in a sliding mode, meanwhile, the third measuring rod is installed on the outer side of the second measuring rod in a sliding mode, and when the water level is measured, the first measuring rod and the second measuring rod are fixed through the hand screwing bolt after being slid to proper positions, so that the water level is measured.

The utility model discloses a geotechnical investigation water level measuring device which comprises two sets of bottom plates, vertical plates are installed on the upper portions of the two sets of bottom plates, a wind-up roller is installed between the two sets of vertical plates through bearings, a thread rope is installed on the side wall of the wind-up roller in a winding mode, a lead weight is installed at one end of the thread rope, and the lead weight is installed on the other end of the thread rope. A tension sensor is embedded in the upper portion of the lead weight, a connecting rod is installed at one end of the tension sensor, a buoyancy ball is installed at one end of the connecting rod, an air inlet pipe and an air guide pipe penetrate through the outer wall of the buoyancy ball, a forward and reverse rotation motor is installed on the other side of the vertical plate on the right side, and the output end of the forward and reverse rotation motor is connected with the winding roller. The water level measuring device has the advantages that the installation pipe and the water storage tank are adopted, impurities on the surface of a thread rope can be cleaned in the winding work process through the installation pipe and the water storage tank, and a guarantee is brought to protection of the thread rope of the water level measuring device for geotechnical investigation.

The utility model discloses a hand-push type electrolytic cell two-level measuring device, which is used for measuring the lengths of residual aluminum liquid and electrolyte on a liquid level probe so as to obtain the aluminum level and electrolyte level data in an electrolytic cell, and comprises a cart body, a limiting groove of the liquid level probe is arranged on one side of a table board of the cart body, and the limiting groove is arranged on the table board of the cart body. A measuring scale is arranged on one side of the limiting groove; according to the utility model, the lengths of residual molten aluminum and electrolyte on the liquid level probe can be safely measured, and the data of the aluminum level and the electrolyte level in the electrolytic cell can be mastered.

The invention belongs to the technical field of liquid level measurement, and particularly relates to a liquid level measuring device capable of adjusting a measuring angle, the liquid level measuring device comprises a handle, a fixed seat, a turntable and a drill rod, one end of the handle is connected with the fixed seat, the turntable is rotatably arranged in the fixed seat, and the drill rod is arranged on one side of the turntable in an extending manner; a first through hole and a second through hole are formed in the side wall of the rotary disc in a penetrating mode, and a fixed angle b degrees is formed between the first through hole and the second through hole. A third through hole and a fourth through hole are formed in the side wall of the fixing base in a penetrating mode, a fixing angle c degrees is formed between the third through hole and the fourth through hole, and b is smaller than c. When the first through hole and the third through hole directly face each other, the second through hole and the fourth through hole are staggered, and a bolt assembly is inserted into the first through hole and the third through hole for fixation. When the second through hole and the fourth through hole are right opposite, the first through hole and the third through hole are staggered, and a plug pin assembly is inserted into the second through hole and the fourth through hole for fixing. The device can conveniently adjust and measure the liquid level of electrolyte and molten aluminum in the electrolytic cell at a small angle according to the actual condition of the electrolytic cell.

The utility model relates to the technical field of underground water sampling, in particular to an underground water level and quality sampler which comprises a supporting frame and a sampling mechanism, the supporting frame is arranged on the ground for supporting, and the sampling mechanism comprises a winding roller, a steel ruler belt, a reference rod, an installation assembly, a Beller pipe, a first one-way valve, a second one-way valve and a water level sensor. The winding roller is arranged on the supporting frame, one end of the steel ruler belt is wound on the winding roller, the other end of the steel ruler belt is fixedly connected with the installation assembly, the Beller pipe is arranged on the installation assembly and provided with a water inlet and a water outlet, the first one-way valve and the second one-way valve are arranged on the water inlet and the water outlet respectively, and the water level sensor is arranged on the water inlet. The reference rod is arranged on the support frame, and scale marks are arranged on the steel ruler belt, so that the technical problems that the sampling amount is small, the Beller tube ball valve is easy to leak and different aquifer secondary samples are inconvenient to distinguish when the water quality sampler in the prior art is actually used are solved.

The utility model relates to the technical field of water level monitoring for hydraulic engineering, in particular to a water level monitoring device for hydraulic engineering, which comprises a mounting seat, a water level monitoring mechanism and a water level sensor. The enclosure mechanism comprises an enclosure cylinder fixedly connected to the top end of the mounting base, the lower end of the surface of the enclosure cylinder is rotationally connected with a filter cylinder, and the lower end of the surface of the filter cylinder is rotationally connected to the top end of the mounting base; according to the device, the water level monitoring mechanism is enclosed through the enclosing cylinder and the filter cylinder, and compared with an existing mode that impurities are easily attached to the top end of a floating layer and a touch switch is easily touched by mistake, the mode prevents the impurities in water from being attached to the end of the floating plate ruler, so that the situation that the floating plate ruler touches the switch by mistake is avoided; large impurities are prevented from being attached to the surface of the filter cylinder through the multiple stop levers, the probability that the filter cylinder is blocked is reduced, and then the amount of water flowing into the surrounding cylinder is guaranteed.

The utility model provides a device for detecting the liquid level information of a fire-fighting high-position water tank of an expressway tunnel, relates to the field of tunnel fire fighting, and is used for detecting the liquid level condition of the fire-fighting high-position water tank in real time, so that when a fire occurs in the tunnel, sufficient water sources in the water tank can extinguish the fire and ensure the safe operation of the tunnel. Comprising a floating piece, a measuring ruler body, a balancing weight, a wiping piece, a lifting assembly and a camera. A groove is formed in the front side of the measuring ruler body, scales are arranged at the bottom of the groove, the groove is connected with the balancing weight in a sliding mode, and the side, facing the scales, of the balancing weight is connected with a wiping piece; in the initial state, the balancing weight is located at the bottom of the measuring scale body. The balancing weight is lifted through a lifting assembly arranged at the top end of the measuring scale body, and the floating piece is arranged on the measuring scale body in a surrounding and sleeving mode. The camera is fixedly installed at the top end of a high-level pool and used for monitoring the current position of the floating piece on the measuring scale body.

The present invention relates to a portable tool for water level measuring (1), comprises a plurality of water level measuring sheets (2) and a staff (3). The plurality of water level measuring sheet (2) are secured on said staff (3), one above the other in concentric order being provided to measure depth of the water. The plurality of water level measuring sheets (2) are marked with measuring scale with respect to the height of each sheet of said water level measuring sheets (2) representing the depth of the water on the runway. One end of said staff (3) is fixed to the center of the said plurality of water level measuring sheets (2) being provided hold said plurality of water level measuring sheets (2).

The present application relates to the field of safety monitoring of waste landfill, and proposes a layered leachate water level monitoring method. The method first determines the position, thickness and number of the middle soil layer in the landfill through exploration drilling, and then embeds monitoring holes in the garbage pile under each soil layer to realize layering. After a week of observation to confirm the sealing and water level stability, the steel ruler water level meter is used to measure the leachate water level of each monitoring hole. The distance from the water level surface to the pipe opening is determined by taking the average value of three repeated measurements, and the water level elevation is obtained by combining the leveling measurement. By comparing the water level elevations measured twice, the water level change value is obtained, and the cumulative change value is obtained by comparing with the first measurement. The method can intuitively, quickly and accurately measure the leachate water level on each layer of soil, analyze the occurrence form and continuity of leachate, and evaluate the stability of the garbage pile.

The utility model relates to the technical field of underground water level observation, and discloses a hydrogeological exploration underground water level observation device which comprises a water level gauge body and a mounting frame connected to the outer wall of the water level gauge body. According to the water level gauge, the protective cover is arranged on the water level gauge body, the water level gauge body which is not used can be protected by the protective cover, the elastic cushion layer is arranged on the inner side of the protective cover, impact force generated when the protective cover is collided can be effectively absorbed, damage is effectively avoided, and the water level gauge body cannot be accidentally collided and damaged when being carried outdoors; the protective cover is rotationally connected, when the water level gauge body is used, opening and closing can be achieved only in a rotating mode, and operation is easy and practical.

The invention relates to a water level measuring device for hydraulic engineering detection, and belongs to the technical field of water level measurement, the water level measuring device comprises a fixed column and a water level gauge arranged on the fixed column, pointers are arranged on the fixed column and located on the two sides of the water level gauge respectively, and the pointers are arranged on the fixed column in a sliding mode and slide in the length direction of the fixed column. A marking pen is arranged on the pointer, the marking pen is perpendicular to the water level gauge, the annotation end of the marking pen abuts against the water level gauge, a floating piece is arranged on the pointer, and the floating piece is used for floating on the liquid level to drive the pointer to fluctuate along with the liquid level so that the highest position and the lowest position of the pointer can be recorded on the water level gauge. Reading middle readings at the highest position and the lowest position; the movable part is used for lifting the water level gauge after the marking pen carves a mark on the water level gauge, so that the lowest position of the carved mark is located above the water surface; the method has the effect of improving the accuracy of the measured data.

The utility model relates to the technical field of measuring devices, and discloses a latex dosage measuring device convenient to clean, which comprises a measuring rod, a dial gauge is arranged on the outer surface of the measuring rod, a spiral groove is arranged on the outer surface of the measuring rod, and a circular groove is arranged inside the bottom end of the measuring rod. Through the arrangement of the spiral groove, the cleaning block, the moving block and the round rod, when the moving pipe drives the cleaning block to move downwards along the outer surface of the measuring rod, due to the design of the cleaning block, the outer surface of the measuring rod is scraped and cleaned, and meanwhile, the cleaning block drives the moving block to move along the interior of the spiral groove; at the moment, the outer surface of the moving block extrudes the interior of the spiral groove so that the whole measuring rod can rotate, due to the effect of centrifugal force, the scraping and cleaning effect of the cleaning block on the outer surface of the measuring rod can be enhanced, and operation and use of an operator are facilitated.