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20results about How to "Smooth conversion" patented technology

Design method of asymmetric guide vane diffuser for centrifugal compressor

The invention provides a design method of an asymmetric guide vane diffuser for a centrifugal compressor, and belongs to the technical field of distributed new energy and aviation power. The method comprises the steps that the basic size and shape of the diffuser are determined based on the outlet airflow condition of the centrifugal compressor; according to the connecting mode of the diffuser and the volute, the design requirement of the asymmetric guide vane is determined; according to the number of the blades, the numbers and initial positions of the blades are determined, and according to airflow conditions and blade outlet boundary requirements, the angles and the positions of the blades are adjusted; based on the preliminary design, geometric parameters of the blade are calculated, and the geometric parameters comprise the trailing edge distance, the included angle and the mean camber line coordinate; and gradually optimizing the geometric parameters through an iterative calculation method. Through iterative optimization and CFD simulation, the aerodynamic performance of the diffuser can be remarkably improved, the flow loss is reduced, and the overall efficiency of a gas compressor is improved.
Owner:YANGTZE DELTA REGION INST OF TSINGHUA UNIV ZHEJIANG

Scheduling method and system for LNG (Liquefied Natural Gas) liquid output vehicle

The invention relates to the technical field of storage, loading or distribution, in particular to transportation. According to the technical scheme, the method comprises the steps that the tank car dispatching state of each process node is acquired and monitored; according to the tank car dispatching state and the operation state, tank car dispatching stage statistics are obtained; calculating a waiting tank car number low value coefficient, and establishing a scheduling model; and scheduling the tank car according to the scheduling model. The system is a main control module, receives data and determines a scheduling instruction through a scheduling model; the data acquisition module is used for acquiring real-time data from the equipment and the communication module; the supervision module receives the scheduling instruction and confirms whether the scheduling instruction passes feedback to the communication module; and the communication module is used for receiving and feeding back the reservation information of the external tank car and sending a scheduling instruction to the current equipment. The problems that in the prior art, the execution efficiency is low, and coherent operation is difficult are solved, the method and system for dispatching the LNG liquid output vehicle are provided, and the purposes of ensuring dispatching fairness, being high in adaptability and keeping coherent operation are achieved.
Owner:SUPCON TECH CO LTD

Ball screw for a brake system

The utility model discloses a ball screw for a braking system, which comprises a thread sleeve and a screw, the thread sleeve and the screw are respectively provided with a threaded channel, a plurality of balls are rotatably arranged in the threaded channels, the thread sleeve is rotatably connected, a reverser is arranged on the thread sleeve corresponding to the positions of the balls, and the reverser is connected with the screw. The threaded sleeve is provided with a flange in the length direction of the lead screw, a connecting spline is arranged on the flange, the lead screw is arranged in a hollow mode to form a connecting through hole, the reverser is provided with a guide groove used for being communicated with an adjacent threaded channel, the position, corresponding to the guide groove, of the reverser is provided with a lubricating window, and a grease storage device is inserted into the lubricating window. The structure is simple, the using effect is guaranteed, meanwhile, the balls are convenient to lubricate, and the good using effect is achieved.
Owner:C&U CO LTD +2

A large-scene meta-universe space superposition method and device

The application discloses a large-scene meta-universe space superposition method and device. The method comprises the following steps: acquiring visual images, IMU data, geomagnetic data and GPS data of a terminal device of a current large-scene environment in real time; extracting visual features; obtaining pose data of the terminal device; obtaining geographical position plane coordinates of the terminal device based on the GPS data and the geomagnetic data; constructing a three-dimensional AR digital space based on the visual images and the pose data of the terminal device; performing visual positioning based on the visual features, the geographical position plane coordinates and a virtual three-dimensional space model to obtain real space three-dimensional coordinates; determining a virtual space position of the terminal device in a meta-universe virtual space based on the real space three-dimensional coordinates and current pose data of the terminal device; and fusing the meta-universe virtual space into the AR digital space according to the virtual space position. According to the application, the meta-universe space can be quickly and accurately superposed in a large-scene environment with few visual features, and the response speed is fast and accurate.
Owner:BEIJING HETU UNITED INNOVATION TECH CO LTD

Autonomous turbulence observation system based on dual-mode intelligent unmanned ship

The present invention relates to the technical field of unmanned ships, and in particular to an autonomous turbulence observation system based on a dual-mode intelligent unmanned ship, comprising an unmanned ship body, wherein the unmanned ship body comprises a bow tank, an instrument and equipment cabin, a moon pool cabin, a rear battery cabin, an engine room, a stern cabin, a front battery cabin, and a fuel tank cabin, front ballast tanks are arranged on both sides of the moon pool cabin, ballast water pumps and liquid level sensors are respectively arranged in the two front ballast tanks, an integrated turbulence observation system is arranged in the moon pool cabin, a lifting mechanism is arranged above the engine room, a passage and an opening and closing cover are arranged at the bottom of the moon pool cabin, a controller and a detection system for cooperating with the lifting mechanism to keep the integrated turbulence observation system in a free state during observation, thereby solving the problem of insufficient frequency or low time resolution of small-scale turbulence observation, meeting the long-term continuous observation needs, realizing the synchronous observation of turbulence and temperature-salinity-depth / flow, and ensuring the observation accuracy of the integrated turbulence observation system.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Earthwork transportation device for caustic soda flake transportation railway

The utility model discloses an earthwork transportation device for a caustic soda flake transportation railway, which relates to the technical field of railway construction and comprises a right-angle conveying frame, a plurality of groups of round holes are arranged on the back of the right-angle conveying frame, scratching nails are movably mounted on the inner walls of the round holes, and a movable plate is fixedly and movably mounted at the top end of the right-angle conveying frame. And guide wheels are symmetrically arranged on the two side edges of the right-angle conveying frame relative to the center of the right-angle conveying frame, a right-angle guide rail is fixedly installed on the vertical face of the right-angle conveying frame, the right-angle guide rail extends to the top of the movable plate, and an earthwork frame is movably arranged on the right-angle guide rail. The earthwork frame is pulled through the steel cable, under the control of the right-angle guide rail, smooth conversion from the vertical state to the horizontal state can be achieved, and filling, conveying and dumping of earthwork are facilitated. After a worker fills excavated earthwork into an earthwork frame at the bottom of a foundation pit, the steel rope is pulled by means of traction equipment, upward conveying work of the earthwork can be efficiently completed, and the earthwork conveying efficiency is improved.
Owner:SHAANXI BEIYUAN CHEM GROUP

Synthetic method of 6-carbonyl estradiol and intermediate thereof

The invention discloses a synthesis method of 6-carbonyl estradiol and an intermediate thereof, and the synthesis method of the intermediate of 6-carbonyl estradiol comprises the following steps: A1, dissolving an intermediate IN1 in a mixture of an organic solvent and water, adding phthalic anhydride, hydrogen peroxide and a catalyst 1, and reacting to obtain an intermediate IN2; a2, the intermediate IN2 is dissolved in an organic solvent, an intermediate IN3 is obtained through an oxidation reaction, TEMPO, iodobenzene diacetate and a catalyst 2 are added for a reaction in the oxidation reaction, or a Jones reagent is added for a reaction, and the intermediate IN3 is an intermediate of 6-carbonyl estradiol; the invention further discloses a synthesis method of the 6-carbonyl estradiol. The target product obtained through the synthesis method is high in yield and purity, short in reaction time, safe and efficient in reaction and beneficial to industrial production.
Owner:HUNAN KYF PHARM CO LTD

Transport frame

ActiveCN224811346UEnsure load bearing stabilityGuaranteed loading width
The utility model provides a kind of transport frame.The transport frame includes main chassis, end frame, extension chassis and connecting assembly.The end frame is connected to the end of main chassis along the length direction.The end frame includes a pair of corner posts.The corner posts form a receiving groove.In the state that end frame is used, the opening of receiving groove is directed to the outside of main chassis along the length direction.The extension chassis is movably connected to the end of main chassis along the length direction between first storage position and first unfolded position.The connecting assembly is connected to the corner post between second storage position and second unfolded position.The connecting assembly in second storage position is stored in receiving groove.The connecting assembly in second unfolded position is detachably connected to extension chassis.The transport frame of the embodiment of the utility model can ensure the stability of extension chassis while eliminating the restriction of connecting assembly on loading width, to maximize the space adaptability and operation safety of loaded goods.
Owner:NANTONG CIMC-SPECIAL TRANSPORTATION EQUIPMENT MANUFACTURE CO LTD +2

An integrated grabbing and releasing surface deployment device suitable for soft structures

ActiveCN115849160BSolve the problem of entering watersmooth conversionLoad-engaging elementsControlled releaseStructural engineering
This invention discloses an integrated grabbing and releasing surface deployment device suitable for soft structures. The deployment device includes two rhomboid linkage mechanisms, a release hoist, a remote-controlled release hook, a grabbing hoist, two half-shells, and a short cable. The length of the release hoist is greater than the length of the grabbing hoist. The top end of the release hoist is connected to the top end of the short cable. The bottom end of the short cable is connected to the top end of the remote-controlled release hook. The bottom end of the remote-controlled release hook is connected to the top end of the grabbing hoist. The two half-shells are arranged horizontally opposite each other, and both ends are hinged together by the rhomboid linkage mechanisms. The top end of the rhomboid linkage mechanisms is connected to the bottom end of the grabbing hoist. The bottom end of the release hoist is connected to the middle of the two half-shells. The above device has a simple deployment structure, is easy to operate, enables repeated grabbing and releasing, allows for rapid deployment, requires no lifting points on the product, has no attachments that enter the water with the product, and effectively solves the problem of product deformation.
Owner:YICHANG TESTING TECHNIQUE RESEARCH INSTITUTE

Method, device and equipment for generating revenue service rule configuration and storage medium

The invention provides a revenue service rule configuration generation method and device, equipment and a storage medium, and relates to the technical field of Internet. The method comprises the following steps: receiving a revenue business demand input by a user through a natural language; performing assembly based on the revenue business demand and the DSL grammar definition to generate a first prompt word; generating a first DSL document according with the DSL grammar definition through the target large model according to the first cue word; and converting the first DSL document, generating a first revenue service rule configuration, and storing the first revenue service rule configuration. The smooth conversion between the natural language and the service rule is realized, the complexity of the DSL is shielded, the process of manually configuring a large number of tedious parameters is avoided, and the service configuration efficiency is improved.
Owner:GUANGZHOU XINYU NETWORK TECH CO LTD

A type of convertible roller skate

ActiveCN224270094USteady direction of taxiingprevent looseningSkate-boardsRoller skatesBlock and tacklePhysics
This invention provides a convertible roller skate, comprising a shoe body, fixed pulleys, a first rotating seat, a second rotating seat, a movable pulley assembly, and a locking mechanism. The shoe body includes a sole, with the fixed pulleys supported at the front end of the sole, the first rotating seat supported at the rear end of the sole and pivotally connected to the sole, and the second rotating seat pivotally connected below the first rotating seat. The movable pulley assembly includes several movable pulleys, each corresponding to a second rotating seat. The movable pulleys are adapted to rotate around a second rolling axis l2. The first rotating seat rotates to switch the orientation of the movable pulley assembly, and the second rotating seat rotates to keep the second rolling axis l2 parallel to the first rolling axis l1. The locking mechanism includes two locking grooves and a locking part, the locking part engaging with the locking grooves to restrict the rotation of either the first or second rotating seat. This invention allows for changing the arrangement direction of the movable pulley assembly by rotating the first and second rotating seats, thereby converting the skate's form.
Owner:高学文

Civil air defense mobile power station and transformation and peacetime and urgent war conversion method

The invention belongs to the technical field of civil air defense engineering power stations, and particularly relates to a civil air defense mobile power station and a transformation and peacetime and urgent war conversion method. The V2X charging and discharging device and the diesel generator are electrically connected with a double-throw switch at the input end of the wartime power supply main distribution box through a power line along the electrical bridge, and the output end of the wartime power supply main distribution box is electrically connected with a plurality of protection unit distribution boxes and a mobile power station distribution box through a circuit breaker; power supply switching between the V2X charging and discharging device and the diesel generator is realized through switching of the double-throw switch. The method can be applied to new construction and existing reconstruction projects of the civil air defense mobile power station, power supply modes are simple and convenient to switch during wartime, the generator room is fully utilized at ordinary times, and after-wartime recovery is convenient.
Owner:ZHEJIANG UNDERGROUND BUILDING DESIGN & RES INST CO LTD

A tofu cutting equipment

This invention relates to the field of dried bean curd production and processing technology, and provides a dried bean curd cutting device, including a first straight section and a second straight section arranged vertically. Both the first and second straight sections have built-in cutting mechanisms for cutting the dried bean curd into pieces. The dried bean curd cutting device provided by this solution can continuously cut in two directions. After completing one direction, a turning mechanism is used to switch to the other direction for cutting, achieving a smooth transition in the bean curd transport position. This not only ensures the continuity of the bean curd cutting process but also avoids problems such as jamming and blockage during transport, further improving the stability and reliability of the equipment. It essentially achieves the goal of continuous operation, with a short dwell time during transitions, thus improving the cutting efficiency of the equipment.
Owner:HUNAN JINFUYUAN FOOD CO LTD

Slitting machine equipment and method of using slitting machine equipment

The present invention discloses a slitting machine device, including a slitting machine body, wherein a wide-width coil installation portion and a differential shaft winding portion are provided on the slitting machine body, wherein a wide-width coil loading and unloading mechanism is provided at the wide-width coil installation portion, and an automatic winding and unwinding mechanism is provided at the differential shaft winding portion. The present invention also provides a method for using the above-mentioned slitting machine device. In the slitting machine device for automatic loading and unloading of wide-width coils and automatic winding and unwinding of the present invention, coring and installing wide-width coils are realized by the wide-width coil loading and unwinding mechanism, coring and installing wide-width coils consume less time, the coring and installing wide-width coils process is smoothly converted, the equipment responds quickly, and the production efficiency is higher, unwinding and winding are realized by the automatic winding and unwinding mechanism, the unwinding and winding consume less time, the whole unwinding and winding process is smoothly converted, and the production efficiency is higher.
Owner:SHENZHEN JIADE EQUIP TECH CO LTD +1

Dumper frame assembly

The utility model relates to the field of electro-tricycles, and discloses a dumper frame assembly which comprises a frame component, the frame component comprises a front axle and a rear axle, the rear axle comprises longitudinal beams and at least two cross beams, the longitudinal beams comprise side beams and mounting beams, hopper mounting holes are formed in the ends, away from the front axle, of the side beams, and the cross beams are fixedly arranged between the side beams and are perpendicular to the side beams. The installation beams are fixedly arranged between the adjacent cross beams, hydraulic cylinder hinge positions are arranged on the installation beams, and the distance between the hydraulic cylinder hinge positions and the cross beams is 0.8-1.0 time of the stroke of hydraulic cylinders hinged to the hydraulic cylinder hinge positions. In order to solve the problem that when the automatic unloading function is achieved, frame structure limitation and battery installation space conflict exist, interference between a hydraulic cylinder and a battery installation area is successfully avoided through the unique frame assembly structure, the elaborately-calculated hydraulic cylinder hinge position and the scientifically-arranged installation beams, and the automatic unloading function is achieved. The automatic unloading system can be safely and efficiently installed in a compact space, and the unloading efficiency and the overall stability of a vehicle are effectively improved.
Owner:CHONGQING GONGHUA VEHICLE IND CO LTD

A data storage method, product, device and medium based on hard disk

The present invention discloses a data storage method, product, device and medium based on a hard disk, and relates to the technical field of data storage. When the end of life period under the current storage mode is reached, the current storage mode is not continued to be used, but a target storage mode with a smaller number of storage unit layers than the current storage mode is determined. The current storage mode is converted to the target storage mode, and the remaining life of the hard disk in the current storage mode is mapped to the life in the target storage mode to continue data storage, thereby extending the use time and use value of the hard disk as a storage device, restoring the corresponding storage function, improving the stability and security of storage, and avoiding the risk of data loss.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

A stereo garage

The stereoscopic garage provided in the application comprises a main frame, a walking track, a lifting driving unit, a lifting rotary table and a vehicle carrying platform, the lifting rotary table comprises a rotary table base and a connecting track, the vehicle carrying platform comprises a vehicle carrying plate, a vertical support and a walking device, wherein the vertical distance L1 between the supporting column in the main frame and the walking track is 2.5-3.2 meters, and the distance L2 between the vertical foot of the supporting column on the walking track and the front column in the main frame is not less than 2.3-3 meters, wherein the value of L1 increases and the value of L2 decreases. The vertical distance between the supporting column and the walking track and the distance between the vertical foot and the front column are accurately controlled to ensure that the vehicle carrying plate does not interfere with the supporting column when rotating.
Owner:北京京驿科技有限公司

Multifunctional road polyester fiber spinning and drawing integrated equipment

The utility model relates to the technical field of polyester fiber production, and discloses multifunctional road polyester fiber spinning and drawing integrated equipment which comprises a workbench, the top end of the workbench is fixedly connected with a protective cover, the left side of the top end of the workbench is fixedly connected with a spinning device body, and the top end of the spinning device body is fixedly connected with a sleeve shell. A feeding port is fixedly connected to the top of the sleeve shell, supporting rods are fixedly connected to the inner walls of the left side and the right side of the feeding port, a square box is fixedly connected to the sides, close to each other, of the two supporting rods, a motor is fixedly connected to the interior of the square box, and a rotating shaft is fixedly connected to the driving end of the motor. The bottom end of the rotating shaft is fixedly connected with a heating rod, and the exterior of the heating rod is fixedly connected with rotating blades. According to the utility model, the heating and melting of raw materials and the downward automatic feeding are realized, and the time loss of material transportation and intermediate treatment is reduced, so that the overall production efficiency is improved.
Owner:YANCHENG SHITENG ENG MATERIALS CO LTD

Method for realizing continuation of double-layer equivalent source of magnetic field

The invention provides a method for realizing continuation of a double-layer equivalent source of a magnetic field, relates to the technical field of electromagnetic field control and adjustment, and can more accurately simulate magnetic field distribution in an actual application scene through detailed shape and position determination steps. Therefore, it can be ensured that the designed double-layer equivalent source can show good performance under various working conditions, when the magnetic parameters are calculated, the complexity of the magnetic field source and the influence of the actual working environment are comprehensively considered, and the magnetic field characteristics of the magnetic field source can be predicted more accurately. In this way, design adjustment and recalculation caused by inaccurate parameters in the subsequent stage can be avoided, and refined adjustment can be carried out according to the result of numerical calculation or experimental verification in the adjustment and optimization stage. The iterative optimization process can significantly improve the design performance of the double-layer equivalent source, maximizes the benefits of the double-layer equivalent source, analyzes the technical benefits of the design scheme and predicts the future development direction, and facilitates the evaluation of the feasibility of the design in technology and business.
Owner:HARBIN UNIV OF SCI & TECH