8results about How to "Variable size" patented technology

The utility model relates to the technical field of film evaporator cleaning, and particularly discloses a film evaporator with a residue self-cleaning structure. Comprising an evaporator shell, the evaporator shell comprises a feeding end, a reaction end and a discharging end, a feeding port and an exhaust port are formed in the feeding end, and a discharging port is formed in the discharging end; the frequency modulation motor is installed on the evaporator shell, and an output shaft of the frequency modulation motor is connected with the transmission shaft; the scraper mechanism comprises a connecting plate, a spring and a scraper, the connecting plate is connected with the transmission shaft, one end of the spring is connected with the connecting plate, the other end of the spring is connected with the scraper, and the scraper is slidably connected with the connecting plate. The extension distance of the scraper can be adjusted under the action of centrifugal force, and the centrifugal force can be adjusted by the frequency modulation motor, so that residues of the film evaporator can be automatically cleaned, the evaporation efficiency can be actively regulated and controlled, the complexity of manual cleaning is avoided, and the evaporation efficiency can be adjusted as required.

The utility model discloses a split type down lamp outer cover and down lamp thereof, including the shell, the top of shell is disconnected and is connected with the lamp cover, and the inside of shell is provided with accommodating chamber, and the lamp cover is used for sealing the top of shell, and the disconnection and connection is convenient for dismounting and transportation, and the accommodating chamber and the shell are integrally formed and convenient for installing the lamp, the utility model discloses through the split type structure design of upper outer cover and lower outer cover makes each part can produce alone, flexible assembly, and the split direct stamping can, and the split can be fitted together, and the occupied space is reduced greatly, and the packing and the logistics cost in the transportation process are reduced, guaranteeing the light output symmetry through the central arrangement of LED board lamp pearl, and the light cup of inner wall is handled through high reflection, and the scattered light of lamp pearl is gathered effectively, and the light utilization rate is improved, the quick fixing of down lamp is realized through the elastic deformation of lamp decoration spring clamp, and the top is sealed through the lamp cover, and the impurities such as dust, water vapor are blocked.

The application discloses a kind of synthesis method of spherical polymer nanoparticles, it is related to vaccine technical field, and the method comprises the following steps: polyvinylpyrrolidone is dissolved in mixed solvent, then glyoxal, ascorbic acid and ethylenediamine are added in turn respectively, after stirring for a certain time, the color of solution obviously changes from yellowish to wine red.The solution containing prepolymer is transferred into reaction kettle, the reaction kettle is put into oven to react, the previous prepolymer will further crosslink and polymerize, form nonlinear network polymer skeleton, through repeated centrifugation and ethanol washing, finally drying can obtain the target spherical nanoparticle material.The application uses ascorbic acid as raw material, ethylenediamine as initiator and connecting agent, glyoxal as crosslinking agent, successfully synthesizes a kind of brand-new polymer nanoparticle, simultaneously realizes efficient antigen delivery and specific activation B cell, and is a kind of brand-new ideal vaccine adjuvant with promising application.

The embodiment of the present invention provides a valve core, a valve core processing method, a hydraulic valve and an excavator, and relates to the technical field of hydraulic valve manufacturing. The valve core is provided with an opening groove, the bottom of the opening groove is convex, the width of the opening groove gradually increases with the displacement of the valve core during the opening of the valve core, and the depth of the opening groove gradually increases with the displacement of the valve core during the opening of the valve core. When the valve core moves in the valve body, it can change the flow of the opening groove of the valve core, so that the flow change is more stable, thereby improving the operability of the excavator.

The present invention provides an information processing device and a storage medium, which can easily identify the information shown in a plurality of thumbnails displayed at a glance. The information processing device (10) obtains the information shown in each of the plurality of thumbnails (8) displayed at a glance, and determines the size of the thumbnails (8) that can identify the information for each of the plurality of thumbnails (8), and controls the plurality of thumbnails (8) to be displayed at a glance in such a way that the size of the plurality of thumbnails (8) becomes larger than the determined size.

The utility model discloses a crushed soil sieving device which comprises a shell, a crushing module, a sieving module, a storage device and a recovery module, the crushing module, the sieving module, the storage device and the recovery module are installed in the shell, the output end of the crushing module is in butt joint with the sieving module, the storage device is arranged below the sieving module, and the sieving module is rotatably and obliquely arranged in the shell; the recycling module comprises a collecting frame, a telescopic rod, a guide rail and a first driving motor, the guide rail is installed above the smashing module, the telescopic rod is slidably arranged on the guide rail and driven by the first driving motor to move on the guide rail, the collecting frame is installed at the output end of the telescopic rod, and the telescopic rod is used for conveying the collecting frame to be in butt joint with the screening module. Or the collecting frame is conveyed to the position above the smashing module, and a third controllable door is arranged at the lower end of the collecting frame. The device disclosed by the utility model can be used for sequentially drying, crushing and screening, and finally storing and taking out the soil sample, so that the soil sample can be ensured to be dry without damaging the structure of the soil sample, and the utilization rate of the soil sample is improved by utilizing the recycling module.

The present invention relates to the technical field of box dividing machines, in particular to a square box dividing device with double-helix synchronous control and a driving motor control system, comprising: a supporting mechanism, comprising a bracket and a conveyor belt; a feeding mechanism, comprising a feeding hopper and a feeding column, an adjusting mechanism, comprising a limit plate and a positioning ring, and also comprising a processor, wherein the processor is provided with an adjusting system, the adjusting system comprising a data acquisition unit, a comparison and analysis unit and an execution unit, wherein the square boxes are precisely clamped and divided through a variable spiral groove, dislocation and deflection are reduced, information during the falling process is collected, and the control accuracy of the adjusting system is improved; the size of the spiral groove is variable, and it is adapted to square boxes of different specifications and sizes, so that the entire dividing process is more coherent, and feeding is ensured one by one at a time, control and adjustment are convenient, and adjustment efficiency is higher, and real-time monitoring and automatic adjustment of the dividing process are realized, so that the accuracy of each feeding and the regulation accuracy are ensured, and the position error of the square box after feeding is reduced.

The present invention discloses a snap-fit ​​operation jig and a snap-fit ​​operation method. The snap-fit ​​operation jig includes a clamping static arm and a clamping movable arm connected to the clamping static arm. The clamping movable arm is electrically connected to a control system. The clamping static arm includes a first clamping portion and a static arm connecting portion connected in an L shape. The clamping movable arm includes a second clamping portion and a movable arm connecting portion connected in an L shape, wherein the second clamping portion corresponds to the first clamping portion, and the movable arm connecting portion is connected to the static arm connecting portion. When the control system controls the movable arm connecting portion to move relative to the static arm connecting portion, the distance between the first clamping portion and the second clamping portion changes accordingly. The snap-fit ​​operation jig and method of the present invention are used for snap-fit ​​connection of two electronic modules, which can well overcome the problem of inconvenience of snap-fit ​​connection in a narrow space, and has a simple structure, accurate alignment, and easy operation.