43results about How to "Easy to master" patented technology

The utility model provides a kind of concrete slab joint sweeper, including support, joint sweeping mechanism and walking wheel, support includes frame body and handrail, joint sweeping mechanism includes driving device and joint sweeping brush, joint sweeping brush is arranged in the center of frame body front end bottom, driving device is arranged on the upper portion of frame body, walking wheel is arranged in the center of frame body rear end bottom, the utility model guarantees the accuracy of joint sweeper, construction quality is better, efficiency is higher, economy is more optimal, convenient time-saving.

The utility model relates to carbon brush technical field, and disclose a kind of carbon brush assembly of carbon brush convenient to replace, including pivot, end cap is sleeved with pivot outside, carbon brush holder is fixed in end cap side, carbon brush holder side is equipped with cover, carbon brush holder inside is equipped with carbon brush body;Carbon brush holder side is equipped with the connecting assembly for dismounting cover and replacing carbon brush body;Carbon brush body side is equipped with the state of wear prompt assembly for prompting carbon brush body;Connecting assembly includes the support frame of two, the limit slot and the sliding slot are respectively opened in support frame inner portion, sliding groove inside is slidably connected with sliding plate, lock rod is fixed in sliding plate side, by respectively pulling sliding plate to two sides, lock rod can be made to leave lock slot, to be able to easily pull up cover and take out carbon brush body, when installing new carbon brush body, only need to be inserted into limit slot by aligning connecting frame, after pulling sliding plate, it can be completed locking by loosening, entire replacement process does not need complex tool and tedious procedure, reduce maintenance time.

The application belongs to the technical field of material preparation, and particularly relates to a light-heat material with an antireflection coating and a preparation method thereof. Micron or nanometer magnetic particles are used as the core, and inorganic materials with antireflection function are used as the functional coating to coat the surface of the magnetic particles; wherein the functional coating is metal oxide or non-metal oxide with light reflection inhibiting function. The method is simple in operation, mild in reaction condition, and the prepared material has an antireflection coating, which can reduce the energy loss in the form of diffuse reflection on the surface of the material in the light-heat conversion process, and shows high energy conversion efficiency. In addition, the coating material is stable in chemical property, so that the prepared composite particles have certain oxidation resistance, and can be widely applied in the fields of paint and water treatment chemical industry.

The utility model relates to fire extinguishing equipment technical field, specifically is a simple fire extinguishing inspection robot, including moving mechanism, detection mechanism, water spraying mechanism and adjusting mechanism, through the smoke sensor and temperature sensor in detection mechanism real -time monitoring the smoke concentration and temperature of surrounding environment, camera and the picture shot real -time transmission to controller, and controller judges whether the fire disaster occurs according to the data transmission of detection mechanism, after controller determines that the fire disaster occurs, controller immediately controls moving mechanism and moves robot to the fire disaster position, and controller controls the water pump on water spraying mechanism and starts, and the water in water tank is transported to the spray head, secondly, controller controls the second motor and third motor on adjusting mechanism according to the picture shot of camera, adjusts the direction and angle of spray head, makes water be able to accurately spray to the fire source, guarantees the degree of automation of this robot fire extinguishing inspection work higher, is favorable for improving the work efficiency of the site fire extinguishing inspection.

The present disclosure relates to the technical field of medical devices, and provides a pedicle screw broken screw negative pressure extractor for extracting a broken screw from a pedicle of a lumbar vertebra, comprising a barrel body, the barrel body being arranged to slide in the pedicle, the barrel body having a sliding cavity opened along a length direction and having an opening facing away from the broken screw; a piston rod being arranged to slide in the sliding cavity, the piston rod being arranged to form a negative pressure space together with a side wall and a bottom wall of the sliding cavity after sliding away from the bottom wall of the sliding cavity; a suction disc being arranged at an end of the barrel body close to the broken screw, the suction disc having a suction space at an end of the suction disc away from the barrel body, the suction space being in communication with the negative pressure space; the suction disc being arranged to abut against an end surface of the broken screw after the barrel body slides in the pedicle to be close to the end surface of the broken screw, so that the suction space can suck the broken screw. Through the above technical solution, the technical problem that the broken screw of the pedicle screw is difficult to be extracted from the lumbar vertebra in the prior art is solved.

The application is a kind of method for remotely guiding infrared observation equipment to observe target, belonging to the technical field of remote guidance, which comprises the following steps: a remote control terminal locates the observation target and obtains target position information, and then wirelessly transmits the target information to first, second and third infrared observation equipment; the remote control terminal estimates the optimal observation distance based on the estimated size of the target and the field of view angle and resolution of the first infrared observation equipment; the remote control terminal guides the first, second and third infrared observation equipment to move to the optimal observation distance from the target position and to the positions of the three apexes of the inscribed regular hexagon in the circle for cooperative target observation; the remote control terminal remotely controls the real-time adjustment of the direction, position and focal length of each infrared observation equipment based on the video stream images returned by the first, second and third infrared observation equipment. The application is used to remotely and real-timely guide infrared observation equipment to observe the specified target.

This invention relates to a SCC mix design method and system based on the shear strength theory of cement paste. Its core lies in establishing a cement paste shear strength prediction model. This model quantitatively evaluates the shear strength of the cement paste under a proposed mix proportion and compares it with a pre-determined reasonable range. Then, through iterative adjustments to the cementitious material composition and water-cement ratio, the shear strength of the cement paste falls within the target range, thereby simultaneously optimizing the paste rheology and determining the final mix proportion. This invention achieves complete quantitative design from aggregate to paste, economically and efficiently preventing SCC segregation and maximizing the use of auxiliary cementitious materials to reduce the cost of self-compacting concrete.

This utility model discloses a photolithography principle demonstration device, comprising: an outer frame including a frame and multiple baffles; a lighting system including an ultraviolet lamp group and a lens group, the lens group being disposed below the ultraviolet lamp group; an imaging system including an optical lens and a photomask, the photomask being disposed between the optical lens and the lens group; a focusing system including a power module, a moving module, and a support platform, the support platform being connected to the moving module and located below the optical lens, the power module being connected to the moving module and capable of driving it to move up and down, thereby causing the support platform to move along the optical axis of the optical lens; a power supply module connected to the lighting system and the power module; and a control module connected to the lighting system, the power module, and the power supply module. This utility model is applicable to teaching demonstrations of photolithography processes.

Provided is an injection molding machine or the like in which a user can easily grasp information on interlocking related to a core. The injection molding machine includes an injection device that melts and injects an injection material; a mold clamping device to which the injection material is injected, which clamps a mold having a core; a control device that controls the operation of the core; and a display section that displays the operation state of the core, the display section including a core operation icon that indicates the operation of the core and a first information icon that indicates information on interlocking related to the core, the core operation icon and the first information icon being displayed in correspondence.

The utility model belongs to tobacco technical field, specifically disclose a kind of storage cabinet anti-mixing control device, the device includes shell, and the lower end surface of shell is equipped with the long hole being communicated with inner chamber, and the outer wall of front and back sides is equipped with fixed seat respectively, and shell front side wall right side is equipped with motor. In shell, the inner wall of front and back sides is rotatably connected with two rotating rods by bearing, and one rotating rod front end is fixedly connected with motor output end by coupling, and rotating rod outer wall is connected with gear by interference fit. Two baffle synchronous rotation are driven by motor driving rotating rod and gear, device is installed in the discharge end in stem and filament storage cabinet, can accurately accept the stem and filament falling at cabinet head, prevent its mixing into discharge conveyor belt, fundamentally avoid mixing phenomenon, ensure subsequent cigarette processing stem and filament quality pure, accurate specification, effectively guarantee the stable quality of cigarette product.

The utility model relates to a kind of endoscope cleaning heating device, including cleaning assembly and heating assembly;Cleaning assembly includes fixed seat and two cleaning seats;Fixed seat is installed in heating assembly, and cleaning seat is rotatably installed in fixed seat, and its rotating axis is transversely oriented;The top of cleaning seat is provided with cleaning groove, and the cleaning groove of two cleaning seats forms open cleaning channel, and the shape of cleaning channel is compatible with endoscope surface profile;Heating assembly has heating channel, and can defog for endoscope.Its beneficial effect is that cleaning assembly and heating assembly are integrated in one device, which realizes high integration of function.The device can complete the whole process of cleaning, disinfection and defogging of endoscope.This integrated design greatly simplifies the work flow and improves the operation efficiency.Moreover, the operation mode is simple and intuitive, and no complex training or professional skill is required, which can quickly start operation.

The utility model discloses a kind of hydrogen storage devices for solar hydrogen production belongs to hydrogen storage device technical field.This kind of hydrogen storage devices for solar hydrogen production, including installation component, storage component and plugging component, storage component is used to store hydrogen, plugging component is used to plugging storage component, plugging component includes communicating pipe, the side of communicating pipe is equipped with communicating plate, communicating plate is installed with communicating seat on the side away from communicating pipe, the inside of communicating seat is equipped with conical chamber, conical chamber is equipped with magnetic ball in the inside, first electromagnet is installed on the inner wall of one end away from communicating plate of conical chamber, and magnetic ball is magnetically attracted between first electromagnet, the bottom of communicating seat is communicated with hydrogen gas inlet pipe at first electromagnet, storage component includes hydrogen storage tank, the bottom of hydrogen storage tank is equipped with inlet hole, flowmeter is installed on the bottom of hydrogen storage tank at inlet hole, and flowmeter is fixedly connected with the upper end of communicating pipe on one end away from hydrogen storage tank.

This invention relates to the field of distribution network fault location technology and discloses a fault location decision method for an off-site distributed fault location device. It utilizes an off-site power grid sensor acquisition system to collect current information from each outgoing line and busbar, establishing typical fault samples and forming a typical fault sample space. Then, a zero-sequence network diagram is constructed based on the current information collected by the power grid sensor acquisition system. Circuit equations are written based on the zero-sequence network diagram, and the adiabatic equivalent of the circuit equations is applied using the servicing principle. Finally, the sequence parameters that indicate the phase transition development trend of the system are solved. This off-site distributed fault location device fault location decision method can correctly solve the uncertainty between fault symptoms and faulty lines, achieving fault location for low-current grounding systems. Furthermore, the correlation analysis-based fault diagnosis requires fewer samples, involves less computation, and is easy to master.

The utility model relates to technical field of oxygen removal machine, especially based on oxygen removal machine of pressure swing adsorption technology, it not only saves the use of liquid medicine, utilizes pressure swing adsorption technology to the adsorption removal of oxygen, saves the production cost, and can detect the removal effect of oxygen, and the equipment operation condition is convenient to master, including gas sending mechanism, still including two groups of separation mechanism, detection mechanism and vacuum mechanism, two groups of separation mechanism all install on gas sending mechanism and carry out the adsorption to oxygen, and detection mechanism installs on separation mechanism and carries out the detection to oxygen content, and vacuum mechanism installs on separation mechanism and exports oxygen.

The utility model relates to heating pad detection technical field discloses a kind of heating pad impact test device, including fixing frame, the front end of the fixing frame is provided with clamping mechanism, the clamping mechanism includes placement frame, the lower end of the both sides outer wall of placement frame is rotatably connected with first pulley, the both sides of placement frame front end outer wall are fixedly connected with positioning guide rail, the outer wall of positioning guide rail is slidably connected with positioning plate, the both sides of the outer wall of positioning plate rear end are fixedly connected with first guide block, the center of the upper surface of placement frame is fixedly connected with transmission module, the input end of transmission module is fixedly connected with servo motor. In the utility model, the device structure is simple, and user can place heating pad on positioning plate more conveniently, and install limit by limiting strip on lifting plate, by reducing complex mechanical structure, so that operation process is more intuitive, easy to grasp, and operation difficulty is reduced.

This utility model belongs to the field of low-voltage electrical technology and discloses a circuit breaker operating handle. The handle includes a circuit breaker body with a rotatably mounted handle, and a closing hole and a opening hole at the bottom. A button is inserted into one end of the handle, and the button has a protrusion inside. A rotating shaft is horizontally slidably mounted inside the handle. One end of the rotating shaft has a return spring between it and the inner wall of the handle, and the other end is inserted into the button and has a spiral groove, on which the protrusion slides. The rotating shaft also has a chamfered groove, and a pin is vertically slidably mounted inside the handle. One end of the pin engages with the chamfered groove, and the other end can be inserted into the closing or opening hole of the circuit breaker body. The rotating shaft has a limit groove, and the top of the handle has a limit opening; their positions correspond when the pin is inserted into the closing hole. Guide blocks on both sides of the button slide within the guide groove of the handle. This utility model combines rotation and linear motion, resulting in a compact structure, small footprint, support for miniaturized electrical equipment design, and ease of operation, effectively improving operational efficiency and accuracy.

A kind of rolling reaction force control method with adaptive function, including the following steps: starting equipment, set parameters in control box;Production mode setting;Electric push rod is started to drive rotary lever rotation, realize discharge port closure;Electric push rod is started to drive seat plate and each component on it rise to the highest position, cantilever makes suspension cover turn to vertical, manually or by conveyor to rolling barrel feeding;After feeding is completed, electric push rod is started to drive seat plate and each component on it drop to preset position, cantilever makes suspension cover turn to horizontal;Motor is started to run according to the set parameters, drive arm movement to drive barrel frame eccentric rotation relative to rolling disc center, tea base gradually forms strip in the space composed of rolling disc, suspension cover and rolling barrel and interacts with rib;Rolling disc discharge port opens, tea base is transported out of rolling barrel, realizes discharge through the discharge port of rolling disc, and rolling process is completed.Rolling force process is matched with rolling barrel speed, realizes fine control of rolling process, and improves tea quality.

This utility model discloses a modular teaching conveying experimental platform, including a main frame, a belt at the top of the main frame, and transmission rollers at the inner sides of both ends of the belt, which are rotatably connected to the main frame. The transmission rollers at the rear end of the main frame are connected to the output shaft of a motor via a coupling. Light source brackets are provided on both sides of the main frame for mounting light sources to provide illumination for the detection area. A camera is located at the center of the top of the main frame for image acquisition of materials on the belt. A cylinder is located at the top front end of the main frame for pushing and blocking materials. This invention relates to the field of machine vision experimental platform technology. The modular support structure is constructed using industrial-grade aluminum profiles, facilitating equipment installation and debugging. The belt drive system is flexibly adjustable to adapt to different material transport. The multi-light source support system and single-to-multi-view camera architecture can acquire high-quality image data for different detection tasks and material characteristics.

This invention discloses a method for determining the polyvinyl alcohol (PVA) content in polyvinyl alcohol eye drops. The method includes taking a sample of the PVA eye drops, performing a derivatization-ultraviolet spectrophotometric assay at a wavelength of 675 nm, and calculating the PVA content in the eye drops using the external standard method. This invention is simple to operate, time-saving, labor-saving, easy to master, highly specific, accurate, and precise, providing accurate measurement results and can be used for the determination of PVA content in PVA eye drops.

This invention discloses a method for determining the content of magnesium sulfate sodium potassium oral concentrate. The method includes taking a sample of the magnesium sulfate sodium potassium oral concentrate, diluting it with an ammonium chloride solution containing approximately 0.18 mmol / L ammonium ions as a solvent, performing ion chromatography with specific chromatographic parameters, and calculating the content of magnesium sulfate, sodium sulfate, and potassium sulfate in the solution using the external standard method. This invention is simple to operate, time-saving, labor-saving, easy to master, highly specific, accurate, and precise, providing accurate results. It can be used for the determination of the content of magnesium sulfate sodium potassium oral concentrate.

The application discloses a power coordination control method of a charging system and relates to the technical field of charging piles, and comprises the following steps: S1: acquiring three-phase voltage of a power grid in real time, obtaining three-phase safe voltage of the power grid through the three-phase voltage of the power grid, acquiring a maximum allowable working current, acquiring a power factor, obtaining a maximum power limit value of a PCS through the three-phase safe voltage of the power grid, the maximum allowable working current and the power factor; when a charging gun is converted from slow charging to fast charging and proposes a power up-regulation request, whether there is a power up-regulation space is judged through a total output power and the maximum power limit value of the PCS, so that different power up-regulation strategies are formulated according to the size of the up-regulation space, which is beneficial to avoiding PCS overcurrent faults caused by uncontrollable sequences of power adjustment, and is also beneficial to improving the safety of power adjustment, so that circuit oscillation is smaller and more stable and safe.

This disclosure presents embodiments of an information generation method, apparatus, electronic device, and medium. One specific implementation of the method includes: acquiring text semantic vectors corresponding to various text content information; performing a first clustering process on the text semantic vectors corresponding to each text content information to obtain multiple text semantic vector clusters; for each text semantic vector cluster, performing a cluster partitioning step: performing a second clustering process on each text semantic vector in the text semantic vector cluster to obtain multiple text semantic vector sub-clusters; determining the cluster center vector and identifying the corresponding text content information as target text content information; sorting each target text content information to obtain a target text content information sequence; and extracting the semantic information of each target text content information to obtain a semantic information sequence, which serves as event development information for the corresponding event. This implementation is related to artificial intelligence and can quickly and efficiently generate event development information for various events.

This utility model discloses a biogas purification system with dual level control switching function, relating to the field of biogas treatment. It includes a biogas purification tower, characterized in that it further includes a differential pressure transmitter remote level gauge and a magnetic float level gauge installed on the outside of the tower. Through the dual control switching system, when one level transmitter fails, the system can quickly switch to another level gauge with a different measurement mode for control, avoiding system shutdown due to uncontrolled level.

The application discloses a kind of coal gangue backfill field soil pollutant vertical migration and accumulation risk assessment method, the method is aimed at the migration characteristics of typical pollutants in coal gangue leachate in unsaturated soil, a kind of simplified analytical model coupling adsorption and degradation behavior is constructed.First, obtain the key data such as soil profile parameters, initial concentration of pollutants and adsorption distribution coefficient;Second, input the parameters into the analytical model, the model is based on one-dimensional convection-dispersion equation, and the geochemical behavior of pollutants is parameterized by adsorption distribution coefficient and first-order degradation coefficient, the concentration distribution of pollutants at different soil depths and time is calculated;Finally, compare the simulated concentration with the soil environmental standard limit value, divide the risk level, determine the depth range and risk appearance time of high-risk soil layer.The model mechanism is clear, the parameter requirement is clear, the calculation is simple, and the migration rule and accumulation trend of coal gangue pollutants in soil can be effectively predicted, which provides a scientific basis for soil environmental risk classification, accurate monitoring point arrangement and source control of backfill site.

This invention relates to the field of fiberboard hot pressing technology, specifically disclosing a hot pressing equipment for medium-density fiberboard (MDF). The equipment includes a base with a frame fixedly connected to the top. A hydraulic cylinder lowers the upper hot pressing mold to press the board. After hot pressing, the hydraulic cylinder moves upward, and a second motor rotates a lead screw, driving a sliding block to move a linkage rod, causing a demolding push plate to move outward and eject the formed product from the lower mold. Simultaneously, a first motor drives the base frame to rotate, causing the lower mold to flip. The bottom lower mold moves to the top, and the top lower mold flips to the bottom, allowing the product to fall onto a conveyor belt for discharge. Unpressed products can be placed into the top lower mold, and then the hydraulic cylinder continues to operate for further pressing. This two-set lower mold flipping design enables continuous and uninterrupted pressing production, reducing production interruption time and improving production efficiency.

The application belongs to the technical field of super-hydrophobic material preparation, and particularly relates to a simple preparation of super-hydrophobic silica nanowires and a method for constructing a super-hydrophobic coating. Alkyl chlorosilane and alkyl siloxane are used as structural reagents, and organic reagents with different water contents are used as solvents to initiate the hydrolysis and condensation of silane to prepare silica nanowires. The method is simple to operate, and the reaction conditions are mild, without the need to introduce acid or base catalysts. The prepared silica nanowires are sprayed onto the surface of a substrate to obtain a super-hydrophobic coating. The method is suitable for realizing low-cost, large-scale and rapid construction of super-hydrophobic coatings on various substrates, and has a wide application prospect.

This utility model discloses a smart meter with a positioning alarm function in the field of smart meter technology. It includes a main body of the smart meter, with an installation plate mounted on the inner side of the main body near the upper middle part. An alarm component is installed on the inner side of the installation plate. Two sets of fixing members are installed on one side of the main body, used to lock and fix the installation plate. The installation plate has an L-shaped cross-section, and a circuit board is embedded on one side of the installation plate. The circuit board houses the alarm component and provides power. Real-time positioning of the meter is achieved through Beidou / GPS dual-mode positioning, facilitating management personnel to track the device's location, improving equipment management efficiency, and effectively preventing device loss or theft. The alarm module, composed of multiple sensors, can promptly detect illegal disassembly, abnormal movement, and data anomalies, and enables rapid response from management personnel through audible and visual alarms and remote alarm information push notifications.