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E-commerce shop data encryption method and system
ActiveCN119155016Aimplement encryptionshorten the lengthEncryption apparatus with shift registers/memoriesTheoretical computer scienceEngineering
The invention relates to the field of data encryption, and discloses an e-commerce shop data encryption method, which comprises the following steps: acquiring data information of to-be-encrypted data, recoding characters in sensitive fields in the to-be-encrypted data by using integers from 0 to 63, and representing each recoded character by using a 6-bit binary system, obtaining the recoded data of the sensitive fields; and encrypting the 64-bit data block and the multiple data block by adopting an AIFT3DES encryption algorithm to obtain the encrypted 64-bit data block and the multiple data block, outputting the encrypted data, performing data storage on the encrypted data, and limiting the access authority of the encrypted data. Through the technical scheme provided by the invention, the length of the encrypted sensitive field can be kept unchanged, and the data security is ensured.
Owner:LAB FOR AI-POWERED FINANCIAL TECH LTD
Alpha-beta light beam scanning device
PendingCN119562011Aprevent movementGuaranteed stabilityPictoral communicationElectric machineLight beam
The invention discloses an alpha-beta light beam scanning device, and belongs to the technical field of light beam scanning, the alpha-beta light beam scanning device comprises two supporting boxes and a connecting box fixed between the two supporting boxes, supporting sleeves are fixed on the surfaces of the two supporting boxes, lifting screw rods are rotatably connected in the supporting sleeves, and guide sleeves are in threaded connection with the outer walls of the lifting screw rods; fixing boxes are fixed to the opposite faces of the two guide sleeves correspondingly, a stepping motor is installed in one fixing box, a protective shell is fixed to the output end of the stepping motor, a scanner is installed in the protective shell, a protective cover is installed on the outer wall of the other fixing box, a linear reciprocating motor is arranged in the protective cover, and the linear reciprocating motor is arranged on the outer wall of the other fixing box. And a workbench of the linear reciprocating motor is provided with two limiting rods and an electric telescopic rod. According to the alpha-beta light beam scanning device, the reconstruction error and image distortion of a scanned image can be reduced, meanwhile, the cable can be conveniently stored, and the cable can stretch out and draw back along with rotation of the protective shell.
Owner:JIANGSU RUIJING INST OF OPTO ELECTRONICS CO LTD
A piston body reassembling device for a compressor
The utility model relates to the technical field of compressor overhauling, especially a piston body back loading device of compressor, including support rod and at least one group of support components, each group of support components includes at least two length adjustable support arms that are evenly arranged along the circumference, one end of the support arm is connected with the support rod, and the other end is used for contacting with the inner wall of cylinder, after length adjustment, the support arm length of the same group of support components is same, the end part of support rod is equipped with the connector, and the connector is connected with the piston body by detachable connection mode, the support rod, the connector and the piston body are coaxial arrangement, the support rod rotates and is used for driving the piston body to rotate, the device can reduce the friction between the piston body and the inner wall of cylinder in the back loading process by slightly lifting the piston body, and reduces the resistance.
Owner:SICHUAN YONGXIANG CO LTD
A retractable curtain rail
ActiveCN114451769Bconstant lengthTelescopic operation is convenientCurtain suspension devicesDrive wheelElectric machinery
The present invention discloses a retractable curtain rail, comprising an inner rail, an outer rail and a transmission unit, wherein the inner rail is connected to one side of the outer rail, the inner rail is embedded in the outer rail and can slide along the outer rail; the transmission unit comprises a driving wheel, a driven wheel, a first fixed pulley, a second fixed pulley and a belt; the driving wheel and the driven wheel are respectively located at two ends of the retractable curtain rail; the driving wheel is connected to a motor; the first fixed pulley and the second fixed pulley are respectively located at the other end of the inner rail and the outer rail; the driving wheel and the first fixed pulley are simultaneously located at two ends of the inner rail or the outer rail; the first fixed pulley and the second fixed pulley are located on the same side of the inner rail and the outer rail; the belt is sequentially wound around the driving wheel, the driven wheel, the first fixed pulley and the second fixed pulley; in the present invention, the positions of the two fixed pulleys are changed simultaneously when the curtain rail is extended and retracted, the retracting operation is simple, and the floor space occupied is small.
Owner:GUANGDONG RAEX INTELLIGENT TECH CO LTD
Metallized film and metallized film capacitor
ActiveCN222354941Uincrease profitIncrease evaporation speedThin/thick film capacitorFixed capacitor dielectricCapacitanceThin membrane
The utility model discloses a metallized film and a metallized film capacitor, and the metallized film is composed of a dielectric film and a metal coating disposed on the dielectric film. The metal coating comprises continuous and repeated grids extending in the longitudinal direction, the grids are separated through transverse grid reserved edges, and the grids are communicated through fuses. Longitudinal grid margins forming the grid are arranged at intervals in the longitudinal direction, fuses are arranged between the longitudinal grid margins, and the longitudinal grid margins are arranged to be rectangles with at least one long edge concave inwards. According to the utility model, the effective area of the capacitor can be increased, the utilization rate of the metallized film is improved, and the evaporation speed of the metallized film is improved.
Owner:XIAMEN FARATRONIC
Battery cell and battery pack
ActiveCN222654275Uconstant lengthfew partsSecondary cells manufactureCell component detailsElectrical batteryControl theory
The utility model discloses a single battery and a battery pack, the single battery comprises: a housing, the housing is provided with an accommodating cavity, the housing comprises a housing and a first cover plate, the first cover plate is arranged at one end of the housing in the length direction; the first pole group and the second pole group are both arranged in the accommodating cavity, and a first pole lug of the first pole group and a second pole lug of the second pole group are both connected with the first cover plate; the second pole lug of the first pole group and the first pole lug of the second pole group are respectively connected with two ends of the series connection piece. According to the battery monomer disclosed by the utility model, the series connection piece is arranged in the shell, so that the pole groups with different sizes can be arranged in the shell with a fixed specification, the length of the battery cell is ensured to be unchanged, and the plurality of pole groups are arranged in the same shell, so that the voltage of the single battery monomer is increased, and two pole groups are arranged in the shell at one time, and the production efficiency is improved; and parts of the battery pack are reduced.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD
Length-adjustable dovetail cushion block punching die
ActiveCN222625990Uavoid shakingplay a supporting roleShaping toolsMetal-working feeding devicesPunchingManufactured material
The utility model relates to the technical field of stamping dies, in particular to a dovetail cushion block stamping die with the adjustable length. Comprising a strip-shaped plate, a strip-shaped groove is formed in the strip-shaped plate, a limiting block and a moving block are arranged in the strip-shaped groove in a sliding fit mode, the limiting block is located on the side away from a female die assembly and locked through a locking device, and a clamping mechanism is fixedly arranged on the moving block and controlled by a controller. A first touch unit and a second touch unit which are in signal connection with the controller are arranged on the front side face and the rear side face of the movable block correspondingly, and scale marks are carved on one side of the top face of the strip-shaped plate. By means of the dovetail cushion block machining device, the moving distance of the moving block can be changed by adjusting the limiting block, raw materials are pulled through the first touch unit and the second touch unit, it can be guaranteed that the distances of the raw materials driven every time are the same, then it is guaranteed that the length of the machined dovetail cushion block is not changed, and the dovetail cushion block machining device is suitable for large-scale machining; and the dovetail cushion blocks with different lengths can be machined.
Owner:XINJIANG SHENGSHENG CO LTD
Wiring structure and motor and compressor using same
ActiveCN222654979Uconstant lengthimprove securitySecuring/insulating coupling contact membersCoupling contact membersElectric machineStructural engineering
The utility model discloses a wiring structure and a motor and a compressor using the wiring structure, the wiring structure comprises a mounting plate, a binding post and an insulator, the mounting plate is sleeved on the binding post, the mounting plate is provided with a fixed threaded hole towards the outer side, the mounting plate is fixedly mounted on the inner side of the wiring board, and the insulator is arranged on the wiring board. The mounting plate is located in the motor shell, and a plurality of insulators used for insulation and sealing are arranged between the mounting plate and the binding posts. According to the scheme, the installation sequence of each component can be changed through structural adjustment, so that the binding post can be independently installed with the stator lead without reserving the length of the stator lead on the premise that the sealing performance is not influenced, the length of the stator lead before and after assembly can be kept unchanged, bending is avoided, the safety is improved, and the production efficiency is improved. The problem of high temperature of the mounting plate and the binding post is solved, and the binding post is independently connected with the stator lead, so that the binding post can be independently disassembled during disassembly, and maintenance and repair are facilitated.
Owner:MCQUAY AIR CONDITIONING & REFRIGERATION SUZHOU
A motorcycle rocker bar link structure with adjustable length
The utility model relates to the technical field of motorcycle accessories, especially a length-adjustable motorcycle rocker arm pull rod structure, which comprises a fixed rod, one end of the fixed rod is provided with a movable rod, one end of the movable rod is fixedly connected with an extension rod, a locking groove is formed in the outer wall of the extension rod, the extension rod is located inside the fixed rod, an extension groove is formed in the inner wall of the fixed rod, a plurality of extension grooves are provided with extension blocks inside, the outer wall of one end of the extension block is fixedly connected with a locking block, the outer wall of the locking block is fixedly connected with a baffle, the outer wall of the end of the fixed rod is fixedly connected with a fixed ring, the outer wall of the fixed rod is sleeved with a moving ring, the outer wall of the moving ring is fixedly connected with a locking ring, the locking ring is located inside the fixed ring, a screw thread is formed in the outer wall of the fixed rod, and the outer wall of the fixed rod provided with the screw thread is screwed with a screw ring. The utility model realizes the integrated function of quick adjustment and firm locking and is suitable for different scenes.
Owner:WEIHAI HUANUO LIGHT ALLOY MFG CO LTD
A retractable assembled concrete chute
ActiveCN224282005Ueasy to transportEasy to storeBuilding material handlingArchitectural engineeringMountainous terrain
This invention provides a retractable, assembled concrete chute, relating to the field of concrete chute technology. The chute is composed of multiple individual chutes, each a cylindrical structure with one end larger than the other. Adjacent individual chutes are matched at their connecting ends. A chute assembly and fixing assembly is installed between adjacent individual chutes to fix them relatively. This assembly includes limiting members that are fixed to the individual chutes and connected to the limiting members of adjacent individual chutes. A vibrator is installed around the periphery of the individual chutes located in the middle of the chute. This invention allows for an adjustable number of individual chutes, thus changing the actual length of the assembled chute. Connected between the concrete mixer truck and the construction site, it adapts to complex mountainous terrain, is less restricted by road conditions, and effectively solves the problem of high dependence on pump trucks in large-volume continuous concrete construction. The retractable chute also facilitates transportation and storage.
Owner:SHANXI LINGXIANG CONSTRUCTION ENGINEERING CO LTD
Strong decontamination outdoor bath dry and wet tissue
The utility model relates to a powerful decontamination outdoor bath dry and wet tissue, which belongs to the technology of outdoor bath towels and comprises a composite wet tissue and a composite dry tissue which can be used separately, the outer side of the top of the composite wet tissue is provided with a Velcro hook surface, and the outer side of the bottom of the composite dry tissue is provided with a Velcro sticking surface. The composite wet tissue and the composite dry tissue are connected through matching of the hook-and-loop fastener hook faces and the hook-and-loop fastener sticking faces, the composite wet tissue is composed of a water-resisting layer, a quick-drying layer and a wiping layer which are sequentially arranged from top to bottom, the hook-and-loop fastener hook faces are located on the water-resisting layer, the two scrubbing layers are symmetrically sewn on the wiping layer, and the two scrubbing layers are located on the water-resisting layer. The composite wet tissue has the advantages that the composite wet tissue is novel and flexible in structure, diversified in use mode and good in decontamination effect, various requirements of outdoor bathing can be effectively met, and the composite wet tissue is convenient to use, high in practicability and wide in application prospect. And the practicability is high.
Owner:JINJIANG DEXIN PAPER CO LTD
An ultra-wideband array focusing radar system
ActiveCN115291209Bchange working frequencygood radiation directionalityRadio wave reradiation/reflectionUltra-widebandRadar systems
The present invention relates to the field of ground penetrating radar technology, and in particular to an ultra-wideband array focusing radar system, which comprises: a transmitter and a receiver, a power divider, a transmitting antenna array and a receiving antenna, wherein the transmitting antenna array comprises a plurality of transmitting array elements arranged in parallel and at equal intervals, wherein the transmitting array element and the receiving antenna are both exponential Vivaldi antennas, and the transmitter and the receiver are connected to each transmitting array element through a power divider. The problem of unfocused radiation direction, poor resolution and shallow detection depth of traditional commercial ground penetrating radar is solved.
Owner:JILIN UNIVERSITY
Heat exchanger shell, heat exchanger and heat exchange unit
ActiveCN222528422Ueasy to shapeSimple structureEvaporators/condensersHeat exchanger casingsMechanical engineeringMechanics
The utility model discloses a heat exchanger shell, a heat exchanger and a heat exchange unit, the heat exchanger shell is arranged to be in an unclosed ring shape, the heat exchanger shell is provided with a first end face and a second end face which are suitable for a heat exchanger flow path to penetrate through, the first end face is an end face close to a gas collecting pipe, and the second end face is an end face close to a gas collecting pipe. The second end surface is far away from the gas collecting pipe; the first end face comprises at least two step faces, a step is formed between every two step faces, and the first end face is arranged to be in a step shape with the height gradually decreased from the inner side to the outer side so that a penetrating space can be provided for a detection probe. According to the utility model, the first end face is arranged to be in the step shape with the height gradually reduced from the inner side to the outer side, so that the movable space of the detection probe is increased, and the detection of the pipeline on the inner side of the end face of the heat exchanger shell can be conveniently realized.
Owner:GUANGDONG PHNIX ECO ENERGY SOLUTION
A surface treatment apparatus for aluminum alloy mold plate processing
ActiveCN224587702UPlay the role of limiting movementRealize positioning movement
The utility model relates to aluminium alloy template processing equipment technical field, concretely for a kind of surface treatment equipment for aluminium alloy template processing, including main part, installation frame, mounting bracket, driver, polishing absorber and limiting device, the installation frame is installed in the upper surface of main part, the mounting bracket is fixedly connected at the both ends of main part, the driver is installed in the inside of installation frame, the polishing absorber is installed in the inside of installation frame, the limiting device is installed in the inside of mounting bracket, the limiting device includes slide and sliding plate, the slide is fixedly connected in the inside of mounting bracket, the sliding plate is slidably connected on the surface of slide, the surface of slide is equipped with adjusting hole, the surface of sliding plate is rotatably connected with gyro wheel, the surface of sliding plate is equipped with moving hole away from gyro wheel one end, the inside sliding connection of moving hole has abutment rod. The utility model limiting device, the positioning movement of material is realized, and the stability of equipment is improved.
Owner:GUANGDONG JIUWEI TECH HLDG GRP CO LTD
Laser chip and optical module
PendingCN119518423Aconstant lengthIncrease light output powerLaser detailsLaser output parameters controlGratingOptical Module
The laser chip and the optical module provided by the invention comprise a circuit board, a coherent optical component and a light source, the coherent optical component is used for modulating and demodulating an optical signal, and the light source provides light without carrying data for the coherent optical component, so that the coherent optical component modulates the optical signal according to the light without carrying data. The light source comprises a laser chip, the laser chip comprises a gain area, a first grating area and a second grating area, the first grating area and the second grating area are located on the two sides of the gain area respectively, the second grating area comprises a continuous non-etching section and an interval etching section which are connected with each other, the continuous non-etching section does not generate refractive index difference, and the interval etching section does not generate refractive index difference. According to the invention, on the premise that the length of the first grating region is kept unchanged, the continuous non-etching sections are arranged, so that the reflectivity of the first grating region is reduced, and on the premise that the line width is ensured, the light emitting power is increased.
Owner:QINGDAO LIANZHI OPTICAL COMMUNICATION TECHNOLOGY CO LTD
Job control method, device and job vehicle
This disclosure provides a work control method, device, and work vehicle, relating to the field of engineering machinery technology. The method includes: acquiring a first angle between the main boom of the work vehicle and the ground, and a first boom length; controlling the luffing cylinder of the work vehicle to luff at a preset luffing speed corresponding to the first angle; acquiring a second angle between the main boom and the ground after luffing, and a second boom length after luffing; determining a first target boom length based on the first boom length, the first angle, and the second angle; and controlling the extension amount of the telescopic cylinder of the work vehicle when the second boom length differs from the first target boom length, so that the boom length reaches the first target boom length. This improves the accuracy of work control.
Owner:XCMG FIRE FIGHTING SAFETY EQUIP CO LTD
A winding device for winding multiple square wires
Owner:BLUE ELEPHANT DIRECT DRIVE TECHNOLOGY (BAOTOU CITY) CO LTD
A spring anchor
ActiveCN114151118Blength extension and shorteningFree to changeExcavationsBulkheads/pilesWater filterClassical mechanics
The present invention discloses a spring anchor rod, comprising an anchor rod, a water filter rod arranged above the anchor rod, and a prestressed rod arranged above the water filter rod, a first threaded column is fixed on the top of the anchor rod, a first internal threaded groove matched with the first threaded column is provided on the inner wall of the water filter rod, a second threaded column is fixed on the top of the water filter rod, and a second internal threaded groove matched with the second threaded column is provided on the inner wall of the prestressed rod, and the present invention relates to the field of anchor rod technology. The spring anchor rod is convenient for freely adjusting the extension length of the internal threaded extension rod through the setting of a free extension mechanism, and is easy to operate, thereby allowing the length of the fixed rod to be extended and shortened, and the change is free, and there are few limitations in actual use. Through the setting of a locking mechanism, it is convenient to lock the adjustment disk in the free extension mechanism to prevent rotation after adjustment, thereby allowing the length of the internal threaded extension rod to remain unchanged, and the use safety is high.
Owner:夏柯
A self-temperature-control testing device for slow-bonding prestressed steel bars and a testing method thereof
This invention relates to a self-controlled temperature testing device and method for delayed-bonding prestressed tendons. The self-controlled temperature testing device for delayed-bonding prestressed tendons includes a loading and unloading device, a heating and insulation device, a measuring and sensing device, an automated control device, and a data acquisition, transmission, processing, and analysis device. This invention utilizes concrete specimens to simulate field conditions, embedding delayed-bonding prestressed tendons in the middle of the concrete specimens. Before the test, the required length of the prepared delayed-bonding prestressed tendons is calculated to ensure that the length of the prestressed tendons within the concrete specimen remains constant throughout the test. The relationship between the viscosity coefficient and temperature, and the relationship between the equivalent curing period and bond strength are fitted using selected functional relationships. Then, by recording the time and temperature at the field, the equivalent curing period, viscosity coefficient, and bond strength are directly obtained, thereby guiding the loading of delayed-bonding prestressed members in the field.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD +1
Cam, adhesive breaking cam mechanism and adhesive binding machine
The utility model provides a cam, an adhesive breaking cam mechanism and an adhesive binding machine. The adhesive breaking cam mechanism of the adhesive binding machine comprises a main shaft and a cam body rotating around the main shaft, the cam body comprises a left planet carrier cam and a right planet carrier cam which are spliced with each other; and the left planet carrier cam and the right planet carrier cam are symmetrically provided with star gear transmission mechanisms which respectively drive the left planet carrier cam and the right planet carrier cam to rotate around the main shaft so as to adjust the size of the included angle between the left planet carrier cam and the right planet carrier cam. And the two separated and combined glue breaking cams naturally form an included angle, so that the effective glue supply length of the glue wheel can be controlled, and the change of the gluing length of books with different specifications can be met. The included angle of the cam can be kept unchanged, the gluing length of the book is constant, and the top margin and the bottom margin of the book are stably broken.
Owner:SHENZHEN GORDON EQUIP CO LTD
Winding equipment for winding multiple square wires in parallel
ActiveCN119142905Aquality improvementGuaranteed transmission performanceFilament handlingWire wrapCable harness
Owner:BLUE ELEPHANT DIRECT DRIVE TECHNOLOGY (BAOTOU CITY) CO LTD
Telescopic self-locking ladder type bridge and folding and unfolding method thereof
PendingCN119518555Aconstant lengthstable supportCable installation apparatusClassical mechanicsStructural engineering
Owner:JIANGSU MINGRONG ELECTRIC TECH CO LTD
A type of openable surgical instrument and a minimally invasive surgical robot
ActiveCN116849814BHigh movement reliabilityconstant lengthSurgical needlesSurgical manipulatorsMinimal invasive surgeryPhysical medicine and rehabilitation
This invention discloses an opening and closing surgical instrument, comprising: a wrist support; a palm support; and a finger opening and closing assembly, wherein the finger opening and closing assembly is rotatably disposed at the other end of the palm support. The finger opening and closing assembly includes: a first opening and closing part and a second opening and closing part; a control assembly, including a finger operating part; and two sets of guide wheel assemblies. This invention allows the finger operating part to adjust the opening and closing position of the finger opening and closing assembly. The first and second guide wheel sets in the guide wheel assembly respectively support the movement of the first and second opening and closing parts on the finger opening and closing assembly. Simultaneously, since the two sets of guide wheel assemblies are centrally symmetrically arranged on both sides of the palm support, and the finger operating part is wound around the two sets of guide wheel assemblies in opposite directions on both sides, the length of the finger operating part remains constant during movement in all degrees of freedom, thus eliminating the need for a separate decoupling mechanism. This effectively improves the reliability of movement between the instruments.
Owner:HANGZHOU WISEKING MEDICAL ROBOT CO LTD
A reactor for the production of ethylene by methane oxidation, a method and use thereof
The application provides a reactor for preparing ethylene by methane oxidation, a method and application thereof, wherein a pull rod and an expansion joint are used in the reactor, so that the expansion amount of a shell can be absorbed by the expansion joint, but the shell does not produce elongation deformation in the axial direction, and the internal block hole structure is tightly fitted; in addition, a detachable flange is used in the reactor, so that the catalyst can be conveniently replaced.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Cleaning brush convenient to use
ActiveCN224098951Ueasy to useSolve the technical problem of inconvenient adjustmentCarpet cleanersFloor cleanersMechanical engineering
The utility model discloses a cleaning brush convenient to use, which comprises a brush head, an adjusting mechanism is arranged on the brush head, the adjusting mechanism comprises a fixed pipe, two double-side pipes, a guide rod and a telescopic rod, the fixed pipe is fixedly arranged on the brush head, the two double-side pipes are fixedly arranged on the brush head, and the guide rod is fixedly arranged on the brush head. According to the innovative cleaning brush convenient to use, by means of the unique bidirectional self-locking adjusting mechanism design, the technical problem that a traditional cleaning tool is inconvenient to adjust when dealing with cleaning scenes of different heights is effectively solved, the cleaning brush is convenient to use, and the cleaning brush is convenient to use. The multifunctional cleaning tool which is easy and convenient to operate, accurate in adjustment and firm in locking is provided for a user. The core innovation point of the cleaning brush is that the cleaning brush is provided with a unique bidirectional self-locking adjusting system, a user can quickly unlock and adjust the length of a tool only through simple single-hand kneading operation, the system is automatically locked after the cleaning brush is loosened, and it is ensured that the length is stable and unchanged in the cleaning process.
Owner:HENAN HAOFU MASCH EQUIP CO LTD