37results about How to "Extended stability" patented technology

The invention discloses a zirconium oxide refractory with a homogeneous micro-crystallized structure. The raw materials of the zirconium oxide refractory comprise the following components by weight percent: 92-96wt% of fused monoclinic zirconium oxide, 4-8wt% of compound stabilizer and sintering aid and 0-1wt% of yellow dextrin. Simultaneously, the invention also discloses a preparation method ofthe zirconium oxide refractory. The preparation method comprises the following steps of: firstly, mixing the raw material dry powder for 1-2 minutes by adopting a high-speed mixing and pelleting machine; after additionally adding 8-12wt% of combining agent, carrying out high-speed pug milling for 5-8 minutes, and then cutting for 1-3 minutes at a high speed; after boiling drying and screening, pelleting, and pressing and forming at the pressure of 150-200MPa; drying a formed green body for 12-24 hours at the temperature of 110 DEG C; and calcining for 2-3 hours at the temperature of 1600-1650DEG C. The zirconium oxide refractory of the invention has the advantages of high temperature and high strength, low apparent porosity, small pore aperture, good scouring resistance and stripping resistance and strong thermal shock resistance. The zirconium oxide refractory of the invention not only can adapt to longevity requirements of a steel ladle, an intermediate ladle sliding plate and a continuous casting sizing water gap but also can be used as longevous kiln furniture.

The invention discloses an onsite display instrument-based GIS sulfur hexafluoride density online monitoring system. A monitoring pipeline is provided with a gas exporting tee joint; one outlet of the gas exporting tee joint communicates with the gas collecting opening of a sulfur hexafluoride density meter; another outlet of the gas exporting tee joint communicates with the collecting opening of a pressure collecting sensor; the system also includes a horizontally mounted mounting platform, and the sulfur hexafluoride density meter and the pressure collecting sensor are respectively mounted on the mounting platform through mounting flanges, and are vertical to the mounting platform; the mounting platform positioned on the side surface of the sulfur hexafluoride density meter is provided with a wiring terminal strip, and the wiring terminal strip is electrically connected to the signal input channel of an onsite display instrument; and the quantity of SF6 breakers is more than one, and a gas chamber shell of one of the SF6 breakers in the same indoor environment is provided with a temperature sensor used for measuring the gas temperature in the SF6 breaker gas chamber.

The invention discloses a 5G antenna and a radiation unit thereof, the radiation unit comprises two groups of polarized orthogonal dipoles, each group of dipoles comprises two radiation arms which areoppositely arranged at an interval, and each radiation arm is provided with a first expansion branch knot and a second expansion branch knot which are arranged at an interval. The radiation unit canrealize expansion of a working frequency band and has good radiation performance. In this way, the 5G antenna adopting the radiation unit is good in radiation performance.

The invention relates to a bi-directional driving type pipeline fracture simulation experiment device, which comprises a pipeline support system, a pipeline expansion support system and a DIC test system, wherein an axial penetrating precast crack is formed in the side wall of an experiment pipe section; the precast crack is symmetrical about the axial middle surface of the experiment pipe section; the pipeline support system supports the two ends of the experiment pipe section; the pipeline expansion support system performs expansion support on the side wall of the experiment pipe section through pull rod or lead screw traction, so that the experiment pipe section fracture is caused; the DIC test system observes the fracture process of the experiment pipe section in real time. The bi-directional driving type pipeline fracture simulation experiment device has the advantages that an experiment test specimen is a full-scale pipeline test specimen, and is directly cut from the pipeline; the error is reduced; the data reliability is ensured; a hydraulic cylinder or an electric motor driving device is used for experiment; the work risk is reduced; the cost is reduced; the opening speed of a fan-shaped block can be controlled by controlling the moving speed of a pull rod and a lead screw; meanwhile, the expansion speed of the crack is controlled; the accuracy of the obtained data is guaranteed.

A device for testing the plastic deformation capacity of a metal glass material comprises a lower mold. An upper mold is arranged in the lower mold. The upper mold and the lower mold are connected in a threaded mode. The upper mold and the lower mold are each provided with a central hole. A metal glass wafer sample is arranged between the central holes of the upper mold and the lower mold. A hard alloy ball is arranged on the metal glass wafer sample. A pressing rod is arranged on the upper face of the hard alloy ball. Pressure is exerted by the pressing rod on the hard alloy ball. The hard alloy ball exerts pressure on the metal glass wafer sample so that deformation and breakage appearance can be produced, and then the ductile-brittle performance of the metal glass wafer sample is achieved. The device has the advantages that the metal glass wafer sample required by the testing device is small in size and only has a diameter of 3*0.2 mm, and the requirement for testing the plastic deformation cavity of an ordinary metal glass material can be met; by means of the testing device, remarkable plastic deformation can be produced on tough metal glass, the ductile-brittle performance of different metal glass materials can be conveniently and rapidly distinguished, and the plastic deformation capacity and the ductile-brittle performance of metal glass can be judged only according to the stroke of the pressing rod.

The invention provides a method for making tough metallic glass generate macroscopic stretching plasticity. The method comprises the following steps: 1, preparing tough metallic glass to be processed, making the tough metallic glass into a rodlike workpiece, and determining the length and diameter data of the workpiece; 2, according to the influential scope of the effective stress area, designing a corresponding thread structure to be processed on the surface of the workpiece; 3, fabricating the corresponding thread area on the surface of the workpiece according to the design result, so that the threaded workpiece high in stretching plasticity is obtained. According to the method, the thread structure is utilized, the tough metallic glass can be excited to generate multiple shear bands in the uniaxial stretching state, in addition, through the geometric hindrance and limitation effect of the surface micro-thread structure, expansion of the main shear band can be stabilized, and macroscopic stretching plastic deformation is caused.

A comprehensive multi-service optical transceiver comprises a main body and a plug port, one side of the main body is provided with the plug port in an embedded mode, the plug port is arranged in a displacement groove in one side of the main body in an embedded mode for connection, one side of the plug port is provided with a rotating shaft in an embedded mode, and the two sides of the rotating shaft are fixedly connected with circular shaft protruding blocks. Arc blocks are embedded in the two sides of the middle of the plug port, and an embedding groove is formed in an inner opening of the displacement groove. According to the device, the part formed by combining the arc blocks in the plug port can be extruded to be automatically separated and expanded when the connected cable connector is large, and extrusion clamping is generated through the reset thrust of the device, so that the plug port can adapt to cable connectors of various sizes in a more variable manner.

The invention provides a high-strength telescopic carton. The high-strength telescopic carton comprises a telescopic mechanism, the telescopic mechanism comprises an outer box, an inner box is slidably connected to the interior of the outer box, a reinforcing plate is fixedly connected to the bottom of the inner box, a cover plate is fixedly connected to the top of the inner box, a storage groove is formed in the top of the cover plate, and the outer side of the inner box is fixedly connected with a supporting plate. According to the high-strength telescopic carton, the inner box is pulled to slide towards the outer side of the outer box, the inner box enables the overall volume of the carton to be increased, meanwhile, the inner box drives the reinforcing plates to swing, the reinforcing plates swing to be unfolded, the reinforcing plates enable the inner box to be stably expanded without dislocation, when the reinforcing plates are completely unfolded, the clamping blocks are clamped in the clamping grooves, at the moment, the upper connecting plates and the lower connecting plates are fixed through the clamping blocks, the reinforcing plate can play a supporting role through the upper connecting plate and the lower connecting plate, it is guaranteed that the inner box stretches out stably and does not fall off, and therefore the effects that the volume of the carton can be expanded, and use is convenient are achieved.

The invention discloses folding-resistant bobbin paper and a processing technology thereof, which are applied to the field of industrial papermaking. The technical problem that the existing bobbin paper is easy to crease and break and has poor toughness is solved. According to the technical scheme, the paper comprises a paper core layer, an extension layer and protective layers; the extension layer is arranged on one side of the paper core layer; the protective layers are respectively arranged on one side of the paper core layer and on the side, far away from the paper core layer, of the extension layer; the paper core layer comprises a raw wood pulp layer and a recycled paper pulp layer; the extension layer comprises a cushion layer, a staggered lamination layer and an adhesion layer which are arranged in sequence, the staggered lamination layer comprises a plurality of continuous fault blocks, an interlayer is arranged at one end of each continuous fault block, and one ends of the adjacent continuous fault blocks are inserted into the interlayers; and the protective layer comprises an elastic cow leather layer and a wear-resistant layer. The toughness of the bobbin paper is improved.

The invention relates to a bidirectional hydraulic hole-expanding type pipeline break simulation experiment device. The experiment device comprises a pipeline support system, a pipeline expanding and supporting system, an oil inlet pipe and a DIC (density indicating controller) testing system, wherein an axial penetrating precrack is formed in the side wall of an experiment pipe section, and is symmetric to the axial center surface of the experiment pipeline section; the pipeline support system is used for supporting both ends of the experiment pipeline section; the pipeline expanding and supporting system is positioned in the experiment pipeline section, and the oil from the oil inlet pipe is used for providing hydraulic power for the pipeline expanding and supporting system; the pipeline expanding and supporting system is used for expanding and supporting the experiment pipeline section, and the precrack is expanded in two directions; the DIC testing system is used for observing the breaking process of the experiment pipeline section in real time. The experiment device has the advantages that the experiment sampling adopts the full-size pipeline sampling, a sample is directly cut from a pipeline, the size error, constraint error and the like are reduced, and the data reliability is guaranteed; by adopting a hydraulic driving device in an experiment, the working risk is decreased, and the cost is reduced; the DIC testing device is used for observing the expanding condition of the crack in real time, and the required data is conveniently obtained.

The invention discloses an NDC aggregator-oriented NDC processing system and a service request processing method thereof. The system comprises a component tree loading and configuration management component, an NDC service abstraction component, an Airline Profile component, at least one airline adapter component, a request distribution component, an NDC content aggregation component, an NDC version release component, an NDC protocol conversion component and an NDC order management component. According to the system, all components in the NDC life cycle are managed in a plug-in microkernel mode, and expansion can be carried out in a simple, efficient, reliable and stable mode; when a new version of NDC interface is newly added, only one NDC message publisher needs to be added, and when a new airline is accessed, only one airline adapter needs to be added, and a large number of personalized business processes are not needed, so that the resource consumption is reduced. In addition, thehigh reliability of the system is guaranteed through the expansion mode, it is guaranteed that the original components are not affected when the system is changed through the isolation between the components, and the performance of the system cannot be reduced due to the fact that an airline is newly accessed.

The invention discloses a feeding machine and a method for feeding rods and tubes. The feeding mechanism comprises a feeding mechanism and three driving parts. The feeding mechanism includes a box body and three beating blocks, and the three beating blocks are uniformly distributed in the box body at 120 DEG C in the circumferential direction. The three driving parts drive the three beating blocksrespectively. The feeding machine provided by the invention can solve the problems of low feeding efficiency of the existing feeding machine, uneven stress on the rods and tubes during feeding, largecross-sectional deformation, secondary processing of the rods and tubes after feeding, waste generation during the feeding process, waste of raw materials, high energy consumption, and non-compliancewith the concept of green environmental protection.

The invention relates to a method for hot wire cutting of curved glass without microcracks based on a heat shielding film, which specifically comprises the following steps: (1) building a hot wire cutting device, fixing the curved glass on the mold of the hot wire cutting device, and Mark the cutting position of the prefabricated crack on the surface; (2) Set the heat shielding film symmetrically on both sides of the prefabricated crack cutting position of the curved glass; (3) Move the hot wire directly above the prefabricated crack of the curved glass, and heat the hot wire to the set temperature , and then control the hot wire to move along the expected trajectory and cut cracks on the curved glass. Compared with the prior art, the present invention utilizes the thermal shielding film to control the temperature field generated by the hot wire on the glass surface. The temperature field on the glass surface changes stably and is not easily affected by external environmental factors. The straightness of the cracks cut by wire is higher, which meets the cutting requirements of glass lenses with higher precision requirements.