13results about How to "Promote progress" patented technology

The utility model relates to a well type quenching cooling device, which comprises a well type rack, a lifting appliance, a rotating device and an external spraying system, the rotating device is arranged at the top of the well type rack, the external spraying system comprises an external pipeline and external spraying nozzles, the external spraying nozzles are uniformly arranged on the external pipeline along the circumferential direction and the axial direction of the well type rack, and the external spraying nozzles are arranged on the external pipeline. The outer pipeline is externally connected with a water supply system, the lifting appliance is used for fixing a quenching workpiece to suspend the quenching workpiece in the middle of the well type rack, and the lifting appliance is supported on the rotating device and is driven by the rotating device to rotate. According to the utility model, the quenching workpiece can rotate in the well type rack, the spraying dead angle is eliminated, the spraying amount received by the workpiece in the circumferential direction is uniform, the cooling speed is consistent, and the phenomenon that the quality and the performance of the steel pipe are seriously influenced by deformation bending or local cracking of the quenching or cooling steel pipe is greatly reduced or eliminated.

The utility model relates to an absorption device and system for activity test, and the absorption device for activity test includes: absorption device body for being connected with activity test device, absorption device body includes at least two groups of absorption unit, and the adjacent two groups of absorption units are provided with the baffle, one end of baffle is connected with the top of absorption unit, and the other end has the clearance with the bottom of absorption unit, and the adjacent two groups of absorption units are communicated through the clearance, and the gas control part is provided on every absorption unit, and the gas control part is used for controlling the gas inlet and outlet of sulfur dioxide, the utility model discloses can effectively utilize the dilute sulfuric acid produced by drying and the fuming sulfuric acid produced by absorption, realizes the sustained use of sulfuric acid, reduces the dangerous waste production, sulfuric acid is strong acid material, and there is danger, and the absorption device for activity test provided by the utility model embodiment need not frequently replace sulfuric acid, reduces the personnel operation, reduces the potential safety hazard.

This utility model relates to the field of new energy vehicle battery testing technology, and discloses a new energy vehicle battery testing device, including an operating platform, two conveyor belts, a rotating rod, and a pressure plate. The two conveyor belts are respectively located at both ends of the top of the operating platform. A support platform is fixedly connected to the top of the operating platform, and an L-shaped plate is also fixedly connected to the top of the operating platform. The rotating rod is rotatably connected inside the L-shaped plate, and a continuous conveyor plate that cooperates with the support platform is fixedly connected to its bottom. Both sides of the continuous conveyor plate have conveyor grooves, each of which cooperates with a corresponding conveyor belt. The beneficial effects of this utility model are that it ensures continuous and complete test data, significantly improves the accuracy and reliability of test results, and the continuous testing process can comprehensively evaluate the battery's performance and health status, reduce test errors, and promptly identify and eliminate potential safety hazards in the battery. This is of great significance for improving test quality, ensuring battery safety, and promoting the progress of the new energy vehicle industry.

The invention discloses a cooperative control method for card sliver nep impurities of a carding machine. Optimal control is achieved through linkage of three stages of source prevention, process cooperation and dynamic feedback. In the first stage, refined cotton grabbing is carried out in the opening and picking process, the weight of cotton bundles is 20-30 mg / block, and the impurity removal efficiency of a single-axial-flow cotton opener is 25%-35%; in the second stage, a licker-in and cover plate grading impurity removal system is constructed in the carding machine, the licker-in impurity removal efficiency ranges from 50% to 60%, the cover plate impurity removal efficiency ranges from 3% to 10%, the cylinder-cover plate gauge is gradually reduced from 0.25 mm to 0.15 mm, the workshop relative humidity ranges from 55% to 60%, and matched card clothing is cooperatively combined; and in the third stage, a quality sensor monitors in real time and feeds back to the central controller, and process parameters are dynamically and finely adjusted to form a closed loop. According to the method, the impurity content of card slivers is lower than 0.08%, the short fiber growth rate is lower than 3%, the total amount of nep impurities is reduced by 20% or above, the yield is increased by 2%-3%, and the adaptability of high-impurity-content raw materials is remarkably enhanced.

The utility model discloses a boiler waste heat utilization device which comprises a horizontal flue part communicated with a boiler, an ORC power generation system communicated with the horizontal flue part through a first water circulation pipeline, and an external cooling pond communicated with the ORC power generation system through a second water circulation pipeline. According to the boiler waste heat utilization device, the guiding structure is arranged in the horizontal flue to replace an active working part, flue gas can automatically carry fly ash to fly out of the flue, heat in the flue gas can be effectively utilized, the complexity of an inner channel of the horizontal flue is reduced, and the utilization efficiency of the flue gas is improved. And the maintenance and repair cost of the product can be effectively reduced, the heat utilization effect is improved, and the development and progress of the industry are well promoted.

The invention discloses an oil extraction pipe column integrating annulus fracturing, gas lift liquid drainage and plunger exploitation and a using method, and belongs to the field of oil and gas field fracturing transformation and production. The oil extraction pipe column comprises a plurality of oil pipes, a plurality of gas lift valves are connected with the oil pipes at preset positions to form an oil pipe column, a plunger seating device is arranged at the tail end of the oil pipe column, and a wellhead valve combination unit is arranged at the head ends of the oil pipes and a sleeve and connected with a plunger control system. The plunger control system comprises a plunger catcher, the plunger catcher is connected with the plunger, and a buffer is arranged in the seating device. Multiple operation links such as annulus fracturing, gas lift liquid drainage and plunger exploitation can be achieved, the construction risk and the well building cost are reduced, the plunger gas lift liquid drainage channel can serve as a plunger gas lift liquid drainage channel in the later stage of production, if the formation liquid amount is large, a gas lift valve can be used for auxiliary liquid drainage, the operation process is remarkably simplified, needed equipment and labor cost are reduced, and the production efficiency is improved. And the economic benefit is improved.

This invention provides a tin selenide-based nanozyme, comprising tin selenide, with tannic acid and tetravalent cerium ions conjugated on the surface of the tin selenide. The invention also provides a method for preparing the above-mentioned nanozyme, comprising mixing tin selenide with anhydrous ethanol and ultrasonically dispersing the mixture; centrifuging the resulting mixture to obtain a supernatant, further centrifuging the supernatant to obtain a tin selenide nanosheet solution; adding the above tin selenide nanosheet solution and tannic acid solution together to deionized water; subsequently adding cerium nitrate solution and continuing stirring; then adding sodium hydroxide solution to adjust the pH to 8.0; after the reaction is complete, the tin selenide-based nanozyme is obtained. This invention also provides the application of the above-mentioned tin selenide-based nanozyme in the preparation of anti-atherosclerotic drugs. The nanozyme of this invention can effectively alleviate the progression of atherosclerosis.

The utility model belongs to the technical field of medical instruments, and relates to a pair of lateral skull base tumor clamping ear forceps which comprises a front handle (1) and a rear handle (2), the rear handle (2) is connected with the rear end of a forceps tube (3), the front handle (1) is connected with the rear end of a push rod (6), the front end of the forceps tube (3) is connected with the rear end of a forceps head (5) through a locking device (4), and the forceps head (5) comprises a fixed forceps body (51), a movable forceps body (52), a fixed forceps sheet (53) and a movable forceps sheet (54). The fixed clamp sheet (53) is fixedly connected with the front end of the fixed clamp body (51), the movable clamp sheet (54) is rotationally connected with the front end of the fixed clamp body (51) and the front end of the movable clamp body (52) through two rotating shafts respectively, and the front end of the push rod (6) is connected with the rear end of the movable clamp body (52). The multi-angle forceps head can be quickly replaced, and the opening direction of the jaw can be randomly adjusted, so that a tumor can be accurately and completely clamped, and the injury to peripheral nerves and blood vessels can be reduced to the greatest extent.

The utility model discloses a navigation magnetic detection device based on unmanned plane, including unmanned plane that is composed of unmanned plane main part and unmanned plane foot stool, still include the portable power source of fixed unmanned plane main part downside, the processing module of the hanging of unmanned plane main part front side below, collapsible probe rod of horizontal fixed on unmanned plane foot stool to setting magnetic force meter rotation adjusting device group that comprises two ends of collapsible probe rod. The application provides navigation magnetic detection device based on unmanned plane, adopts the split type design of independent power supply, effectively overcomeed above -mentioned defects, reduced the disassembly and transportation difficulty of device, improved the security of device use, ensured the operation stability of device, prolonged the service life of device, very good promoted the development and progress of industry.

This utility model relates to the technical field of electric bed frame devices, specifically an electric bed frame with a rotating bed surface function, comprising: a bed surface assembly; a bed surface frame assembly, on which a turntable assembly and a drive assembly are provided, the drive assembly causing the turntable assembly to rotate; and a backrest and leg-raising assembly, on which the turntable assembly is provided, allowing the bed surface assembly to be in either a backrest or leg-raising position. The bed surface assembly includes a backrest board, a lumbar support board, a hiprest board, a thigh board, an upper leg board, and a lower leg board, which are sequentially distributed from one side to the other and are hinged to each other sequentially from one side to the other. This device allows an elderly person in a sitting position to rotate to the side of the bed, thus facilitating their getting out of bed.

The utility model discloses a multi-level ozone treatment structure based on a pulsed ultraviolet air sterilizer, which comprises an ozone treatment box, an inlet part arranged on the left side surface of the ozone treatment box, a condensation part arranged on the upper side surface of the ozone treatment box, an exhaust filtering part arranged on the right side surface of the ozone treatment box, and a power supply controller electrically connected with the ozone treatment box, the power supply is connected with the power supply controller; and the inlet part is connected with an exhaust port of the pulsed ultraviolet air sterilizer through a pipeline. The utility model provides a multi-level ozone treatment structure based on a pulsed ultraviolet air disinfection machine, which can be effectively connected and matched with the pulsed ultraviolet air disinfection machine in series, and the ozone treatment efficiency and continuous absorption capacity are greatly improved through a triple treatment mode of increasing the air humidity through water, raising the temperature at constant temperature and absorbing; and the development and progress of the industry are better promoted.

The present application relates to the field of logistics equipment, in particular to a high-speed material box stacking machine, comprising a sliding seat, a vertical rod fixedly installed on the sliding seat, a placing rack slidingly installed on the vertical rod, a driving mechanism for driving the placing rack to move along the vertical rod, and a discharging mechanism arranged on the placing rack. The high-speed material box stacking machine is provided with a correcting mechanism. On the one hand, the posture of the material box is adjusted to ensure that the side of the material box with a label is close to the scanning mechanism, thereby improving the scanning accuracy. On the other hand, the push plate is driven to be close to the material box to clean the side wall of the material box, thereby avoiding the influence of dust on the side wall of the material box on the recognition effect of the label. Furthermore, the dust generated by the cleaning roller can be adsorbed when the push plate moves.