220results about "Level indicators by dip members" patented technology

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 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 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 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 invention discloses a method and a device for testing the gas content of a water conveying pipeline in different altitude areas, and relates to the technical field of water conservancy projects. The invention discloses a method and a device for testing the gas content of a water conveying pipeline in different altitude areas, and the device comprises a transparent organic glass pipeline, a temperature control water tank, an air compressor, a water pump, a pressure sensor, a temperature sensor and a high-precision stainless steel graduated scale, and the transparent organic glass pipeline is arranged in the middle of the device. According to the invention, the gas content of the water delivery pipeline system in different altitudes of areas can be tested by regulating the water temperature and pressure conditions, the gas content can still be tested by regulating the water temperature and other conditions for water delivery projects in areas with large temperature changes all the year round, acquisition and testing on the project site are not needed, and the test efficiency is greatly improved. Therefore, the device and the method have the advantages of high efficiency and convenience, and can provide a certain reference for water hammer and vaporization analysis of water delivery pipelines in different altitudes due to different gas contents, so that corresponding protective measures can be taken to ensure safe operation of a water delivery system.

The utility model belongs to the technical field of paddy field irrigation, and discloses a fixed water level monitoring pointer which comprises a positioning rod, a plurality of positioning rings for indicating the water level are movably arranged on the positioning rod, and the positioning rings are arranged corresponding to scale marks arranged on the positioning rod. The positioning ring comprises a first semi-ring and a second semi-ring which are detachably connected, the first semi-ring and the second semi-ring are arranged around the positioning rod, and a plurality of locking buckles used for locking are arranged between the first semi-ring and the second semi-ring; the locking buckle comprises a locking plate rotationally connected to the first half ring, a fixing locking plate corresponding to the locking plate is arranged on the second half ring, and the locking plate and the fixing locking plate are arranged in a locking mode. The saline-alkali paddy field water level monitoring device is simple in structure and convenient to use, the overall design is optimized, the water level in the saline-alkali paddy field can be accurately monitored, the flexibility and the adjustability are high, the structural stability and the durability of the whole device are enhanced, recycling is conveniently achieved, and follow-up planting is not affected.

A fluid port assembly includes a tube configured to be positioned with a fluid container to provide access to a fluid contained in the fluid container. The tube includes at least one annular tube recess. The at least one annular tube recess forms a plurality of inner tube surfaces extending circumferentially within the tube. The assembly includes a plug configured to be positioned within the tube to releasably seal the fluid container and contain the fluid within the fluid container. The plug includes at least one annular plug protrusion, and the at least one annular plug protrusion forms a plurality of outer plug surfaces extending circumferentially around the plug. The plurality of inner tube surfaces of the tube engage the plurality of outer plug surfaces of the plug to seal the fluid container.

The invention discloses an unattended, automatic and uninterrupted organic intelligent farm system technology. One embodiment of the organic intelligent farm system does not use any chemical pesticide or chemical fertilizer. On the contrary, hydrogen water, bed soil and peat are used for planting organic plants in the water injection pot type cultivation bed. A plurality of cultivation beds can be horizontally or vertically connected and assembled and are subjected to load-bearing distribution and movement through the roller assemblies on the upper track and the lower track, so that an intelligent farm system which operates uninterruptedly is formed. The plants are cultivated according to the highest standard, and illumination, nutrients, moisture, temperature and acidity are optimized. The production history is automatically recorded, and remote management is supported.

The invention discloses a shield tunneling machine liquid level detection device which comprises a ruler, a camera and a cleaning device, the ruler is used for being installed in an air cushion bin of a shield tunneling machine and provided with scale marks, the camera is used for being installed in the air cushion bin of the shield tunneling machine and used for shooting the ruler, the cleaning device is arranged on the ruler, and the cleaning device is used for cleaning the air cushion bin of the shield tunneling machine. And the cleaning device is used for cleaning the scales of the ruler. During working, the liquid level in the air cushion bin of the shield tunneling machine is on the scale marks corresponding to the scale, scale data of the scale can be observed through the camera, so that the liquid level position is accurately obtained, the scale can be cleaned through the cleaning device, the scales on the scale can be kept clear, and camera shooting is facilitated.

The utility model discloses a hydrological monitoring scale convenient to fix, which comprises a mounting connector, and a connecting and fixing component is arranged on the outer wall of the mounting connector. The connecting and fixing assembly comprises a first adjusting block, a second adjusting block, a third adjusting block and a fourth adjusting block which are arranged on the outer wall of the mounting connecting body, clamping grooves are formed in the inner walls of the first adjusting block, the second adjusting block, the third adjusting block and the fourth adjusting block, and a clamping block is fixedly connected to the outer wall of the supporting pad; supporting pads are slidably connected to the inner walls of the first adjusting block, the second adjusting block, the third adjusting block and the fourth adjusting block, the inner walls of the supporting pads are attached to the outer wall of the mounting connecting body, and fixing bolts are connected to one ends of the first adjusting block, the third adjusting block, the second adjusting block and the fourth adjusting block; and a water gauge is arranged between the second adjusting block and the fourth adjusting block. The device can realize quick installation and fixation of the water gauge, is suitable for stable connection of the water gauge and a circular or square installation connector, and improves the practicability.

The utility model discloses a water level marker post for water conservancy and hydropower. The water level marker post comprises a post barrel, a connecting mechanism used for assisting in displaying the water level is arranged on the outer side of the rod barrel, a mounting assembly for limiting and fixing is arranged at the bottom of the rod barrel, and an extending mechanism used for extending and adjusting is arranged in the rod barrel; the connecting mechanism comprises limiting assemblies and an auxiliary assembly, the limiting assemblies are arranged on the surface and the back face of the rod barrel, and the auxiliary assembly is arranged on the outer side of the rod barrel; through the arrangement of the extension mechanism, the advantage of extension adjustment is achieved, the water level can be clearly indicated and displayed in a buoyancy mode, meanwhile, water levels of different depths can be further adapted according to the extending height, floating operation is achieved through the air bag, and the limiting plate and the indicating pointer are used for indicating the normal water level, so that the water level can be accurately adjusted. The hollow rod, the water level sensor, the control rod and the warning lamp ring are matched to achieve the water level detection and warning effects.

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 self-adaptive underground water drainage control device, belongs to the technical field of underground water drainage, and aims to solve the problems that the drainage control device is lack and can effectively warn a water pump fault and the water level exceeds the standard. Comprising a water collecting area, wherein underground water permeates from the periphery and / or the bottom of the water collecting area; the floating body is located in the water collection area and ascends and descends along with the water level of the water collection area, the floating body comprises an upper floating body and a lower floating body which are connected into a whole through a water separation structure, a scale rod is arranged on the upper floating body, and a pull rope is connected to the lower floating body; the water suction pump is arranged in the water collection area and comprises a water drainage pipe and a switch box, the water drainage pipe is led out of the water collection area, the pull rope is connected with the switch box, and the two working states of starting and stopping of the water suction pump are switched according to the pulling force. The device can timely remind related personnel of drainage failure and water level exceeding a safety range, so that potential safety hazards caused by drainage failure are effectively avoided, and the safety of structures is guaranteed.

The utility model discloses a high-temperature-resistant waterproof self-luminous water level graduated scale which comprises an isolation cover, an observation cover, a scale fixing cover and a luminous scale, and a cavity used for placing a water level gauge body is formed in the isolation cover; the observation cover covers the isolation cover; the scale fixing cover is fixed on the observation cover and is positioned between the observation cover and the isolation cover; and the luminous scale is fixed in the scale fixing cover. According to the utility model, through the arrangement of the isolation cover structure, the structure of the scale part is far away from the water level gauge body, the intensity of heat radiation is reduced, the isolation cover is used for radiating heat through air and providing a fixed position for the front scale structure, and the isolation cover adopts a hollow design, so that the isolation cover has good ventilation performance and heat dissipation performance. And the isolation cover also adopts an unsealed design, so that the deformation risk possibly caused by a high-temperature sealed environment is avoided.

The application relates to a water level positioning method, device and system, an electronic device and a storage medium, wherein the water level positioning method comprises the following steps: in response to the fact that a current detection frame of a target object in a to-be-detected image meets preset first size requirements, dividing the current detection frame into at least two sub-detection frames based on a division object in the current detection frame; determining whether a water surface detection frame exists in the at least two sub-detection frames; in response to the fact that the water surface detection frame exists and the size of the water surface detection frame meets second size requirements, performing water level positioning based on a preset reference line of the water surface detection frame. Through the application, iterative division of water body regions and non-water body regions in a detection frame is realized, so that the accuracy of water surface line detection is improved, and the robustness of a detection scene is improved.

The utility model relates to the field of sewage measurement, and discloses a sludge position measuring mechanism which comprises an outer cylinder, a plurality of limiting frames are fixedly connected to the middle of the outer cylinder, and a collecting pipe is rotationally connected to the middle of each limiting frame; the sliding cavity is formed in the bottom of the outer cylinder, a moving block is slidably connected in the sliding cavity in a sleeved mode, and the upper side of the collecting pipe is connected with one end of the collecting pipe in a clamped mode; according to the device, depth measurement in different modes can be conveniently carried out, meanwhile, the whole device is simple and convenient, installation, disassembly and measurement can be conveniently carried out, measurement precision is guaranteed, follow-up cleaning and maintenance are facilitated, the working process is simplified, bottom sludge can be damaged, measurement is guaranteed, and the device is convenient to use and popularize. Meanwhile, later detection can be carried out on sludge at different depths in stages, different data are obtained, and the whole water treatment process is guaranteed.

The application discloses a reservoir short-pile water gauge water level detection method based on improved YOLOv11 and DeepLabV3+, which comprises the following steps: acquiring a panoramic image of a reservoir area and a close-up image of a water gauge character; constructing an improved YOLOv11 model, introducing an RCM module and a CA module in a backbone network and a neck network part, and realizing accurate detection of the number of water gauges and the character area; optimizing a DeepLabV3+ model, replacing the main network thereof with MobileNetV3, and fusing a DenseASPP and a spatial pyramid SP module, so as to realize high-precision segmentation of a water area and a water level line; and establishing a dynamic conversion model of a pixel distance and an actual water level according to a character detection result, so as to effectively eliminate measurement errors caused by a shooting angle and lens distortion. The application significantly improves the automation degree and precision of water level recognition, and is suitable for real-time monitoring of reservoir water levels in a wide range and a multi-angle environment.

The utility model discloses an anti-scouring water gauge, which belongs to the technical field of hydrological monitoring equipment, and is characterized by comprising a protective cover and a water gauge main body, the protective cover is fixed on the side part of a wall body, the water gauge main body is arranged in the protective cover, the water gauge main body is fixed on the side part of the wall body, and a reinforcing part is arranged at the end part of the water gauge main body. The reinforcing component comprises a first reinforcing component and a second reinforcing component, and the first reinforcing component and the second reinforcing component are consistent in structure. Compared with the prior art, the anti-scouring water gauge is characterized in that firstly, the protective cover is designed to protect the water gauge, the water gauge body is arranged in the protective cover, water is blocked through the protective cover, scouring of most water flow is resisted for the water gauge body, and in addition, the reinforcing component and the water blocking component are arranged to prevent scouring of the water flow; the problem that normal observation of the downstream water level is affected due to the fact that the stainless steel water gauge is frequently scoured by flood and peels off or falls off is solved.

The utility model relates to the technical field of hydroelectric power monitoring equipment, in particular to a water level monitoring device convenient to adjust, which comprises a mounting assembly, a supporting rod is mounted at the top of the mounting assembly, a mounting pipe is mounted on one side of the supporting rod, and a sliding rod is slidably mounted on the inner wall of the mounting pipe. A radar water level monitor is mounted at one end of the sliding rod, a connecting rod is mounted at the front end, close to one side, of the sliding rod, an adjusting rod is rotatably connected to the outer wall of the connecting rod, and a fixing assembly is mounted at the front end of the adjusting rod and comprises a mounting cylinder mounted at the front end of the adjusting rod. And an arc-shaped supporting block is mounted at the front end of the mounting cylinder. According to the improved water level monitoring device, through the mounting pipe, the sliding rod, the connecting rod, the adjusting rod and the fixing assembly, the position of the radar water level monitor can be adjusted according to use requirements in the equipment use process, the position limitation of traditional monitoring equipment can be broken through, and the applicability of the device in use is improved.

The application discloses a portable water depth and silt depth measuring rod, which comprises a mounting seat, an adapter wheel is mounted on the inner side of the mounting seat, an angle adjusting rod is arranged on the left side of the adapter wheel, a cover is arranged on the outer side of the angle adjusting rod and located on the upper side of the mounting seat, a second motor box is mounted on the front side of the angle adjusting rod, and a limiting column is mounted on the upper end of the adapter wheel; a position adjusting mechanism is mounted on the upper side of the limiting column, an installation block is mounted on the left end of the position adjusting mechanism, a limiting rod is mounted on the lower end of the installation block, a depth adjusting mechanism is arranged on the outer side of the limiting rod, a first motor box is mounted on the lower end of the depth adjusting mechanism, and a screw rod is arranged on the lower side of the first motor box. The portable water depth and silt depth measuring rod is convenient to carry, can be installed and measured at a position where a vehicle cannot reach, and can penetrate into silt with high density, so that the measurement result is accurate.

The invention discloses a manual liquid level measuring device for a glass melting furnace, which comprises a long rod part and a short rod part, the short rod part is connected with one end of the long rod part, the short rod part is perpendicular to the long rod part, and the short rod part is provided with a scale groove. According to the application of the manual liquid level measuring device for the glass melting furnace, the handle is arranged, so that an operator can keep a certain distance from the glass melting furnace during operation, and the handle can effectively insulate heat, so that the danger that the operator is exposed in a high-temperature environment can be reduced; the personal safety of operators is guaranteed, and serious injuries such as scalding are avoided; besides, the scale groove is formed in the short rod part, so that the millimeter-level liquid level change can be accurately distinguished, the measurement precision is favorably improved, and the strict requirement of glass production on high-precision measurement is met.

The utility model discloses a flood gate, which relates to the technical field of gates and comprises a gate body matched with a notch of a wave wall. The hinge mechanism is composed of a hinge supporting plate, a hinge seat plate and a pluggable hinge shaft which are arranged on the side edge of the gate; the sealing structure comprises a P-shaped water stop belt arranged on the edge of the gate; anchoring steel bars are welded to the lower portion of the hinge base plate and connected with a reinforcing mesh in the wave wall in a welded mode. A locking mechanism is arranged on the outer side of the gate body. The observation window is formed by explosion-proof glass which is vertically arranged, and water level scale marks are arranged on the surface of the observation window; according to the technical scheme, the P-shaped water stop belt is combined with the pre-compression structure, the hollow section and the 2-mm pre-compression amount enable the water stop belt to generate elastic deformation when the water stop belt is pressed, a gap between a gate and a wall body is filled, and leakage is effectively prevented through the sealing structure; and a gap between the explosion-proof glass and the clamping groove is filled with the water stop rubber at the observation window, so that water flow permeation is avoided.

The utility model relates to the field of measuring devices, in particular to a once-through boiler water storage tank liquid level accurate measuring device which comprises a rectangular sliding rail, a rectangular fixing sleeve and a measuring device body. One side of the rectangular sliding rail is provided with a rectangular fixing sleeve which can slide and is used for fixing the measuring device body to drive the measuring device body to move, and the measuring device body used for measuring the liquid level of the water storage tank is arranged in the rectangular fixing sleeve; the measuring device body is placed on the inner side of the rectangular fixing sleeve and is contracted and fixed through the arc-shaped telescopic sleeve in the rectangular fixing sleeve, then the inclination angle of the rectangular sliding rail is adjusted, and then the rectangular fixing sleeve drives the measuring device body to move to different depths for liquid level measurement. The stability of the measuring system can be ensured, the stable measuring system can continuously and accurately provide liquid level information, reliable data support is provided for automatic control and remote monitoring of the boiler, and potential safety hazards caused by too high or too low liquid level are avoided.

The utility model belongs to the technical field of water conservancy equipment, and particularly relates to a water level measuring device which comprises a water level measuring vertical plate and a pulling rope, a fixed pulley A is installed at one end of a transverse cantilever, a fixed pulley B is installed at the other end of the transverse cantilever, one end of the pulling rope sequentially winds around the fixed pulley A and the fixed pulley B, and a floating disc is tied to one end of the pulling rope. The other end of the traction rope is tied with a counterweight plate, and the floating disc is linked with the counterweight plate, so that the automatic measurement of the water level is realized, and the problem of measurement errors caused by direct exposure of a traditional buoy device to a water body is avoided. The utility model also solves the problem that the traditional water level measuring device is difficult to read in a high fall scene. And through the combination of the counterweight plate and the water level indicating rod, the inconvenience of reading the water level depth in a severe environment is avoided. In addition, the movement of the traction rope is smoother due to the corrosion-resistant treatment of the fixed pulley and the design of a sealed bearing.

The utility model relates to a kind of smooth recovery device of electric water level gauge measuring scale, including winding reel, ratchet wrench, support, fixed hole, screw, measuring scale outlet, measuring scale, measuring scale probe, shell.Electric water level gauge in the recovery measuring scale process will occur the condition that measuring scale is stuck in the outside of winding reel, this condition can lead to two problems of instrument abrasion aggravation and operation efficiency reduction;Using this device, it can be conveniently fixed to electric water level gauge, quickly complete electric water level gauge wire winding work, improve hydrological observation work efficiency, it is practical equipment with remarkable effect.