51results about How to "Meet structural needs" patented technology

The invention discloses a comprehensive performance index-based high-permeability distributed power supply cluster division method, and relates to the technical field of power distribution network planning and control of a renewable energy power supply. A cluster division index system and a cluster division effective algorithm are proposed; the cluster division index is defined as a comprehensiveperformance index; the comprehensive performance index comprises an electrical distance-based modularity index <rho>, a cluster reactive balance degree index formula which is as shown in the specification and a cluster active balance degree index formula which is as shown in the specification; for adapting the calculation expression of the comprehensive performance index system and the objective demand of cluster division, the cluster division effective algorithm performs distributed power supply cluster division based on a genetic algorithm; meanwhile, by improving the basic genetic algorithmand according to the network adjacent relation, a chromosome coding mode is designed; and adaptive crossed mutation probability is adopted. The comprehensive performance index-based high-permeabilitydistributed power supply cluster division method has the advantages as follows: complementarity between nodes and cluster capacity of self-government can be fully played, so that large-scale renewable energy consumption and control can be promoted.

The invention provides a formula of a radiation shielding lead alloy, in particular to a radiation shielding material with a multilayer special-shaped inlay structure taking lead alloy as a main raw material. The synergistic protective effect of rays of different elements is made full use of, the rays are finally absorbed by material through the process of photoelectric effect, so when ray particles are scattered several times and the energy decreases to the range of extranuclear electron energy level difference, the cross section of the photoelectric effect increases significantly, and the phenomenon is called the absorption limit. Because each element is provided with a different absorption limit in the ray energy range, different functional elements are reasonably combined so that the radiation absorbing material has a wider radiation energy range absorption limit, and the cross section of the radiation absorbing material subjected to the photoelectric effect is obviously increased,and thus the shielding performance of a radiation protective material is obviously enhanced, the secondary toughening radiation of lead is effectively overcome, and the plasticity and toughness of the radiation shielding material are enhanced.

The invention discloses a central power output and rear power output device of a tractor, which is controlled by adopting a hydraulic controlled type power output clutch, has reasonable design and simple and direct structure and comprises a power input shaft, a power output clutch, a hydraulic control valve, a rear axle shell, a power transmission shaft, a transmission gear set, a rear power output shaft, a central power output shaft and a rear power output shift operating device. The hydraulic controlled power output clutch is adopted to eliminate the inertia force generated when a driven farm machinery is separated, and the power output clutch is internally provided with a special braking component, so once the power output clutch is separated, the braking element can come into play so as to enable the power output shaft to rapidly stop rotation, thus preventing the power output shaft from being damaged while lifting. Therefore, the central power output and rear power output device can meet the structural requirement on the tractor to be matched with various farm machinery, favorably solves the key technology of central power output of the tractor and improves the complete machine performance and application scope of the tractor.

The invention discloses an overturning hopper. The overturning hopper comprises a hopper body, a hopper revolving support and an overturning mechanism, wherein the overturning mechanism comprises a link and a crank, one end of the link is hinged onto the hopper body, the other end of the link is hinged with the crank, and the other end of the crank is hinged onto a crank revolving support through a crank rotary shaft; and the receiving point and the unloading point of the hopper are both arranged at or close to the dead point of the overturning mechanism through optimizing the starting point and the ending point of the crank, so that the impacted force working condition of speed reducer equipment is optimized during the loading and the unloading of the overturning hopper. According to the mechanism, the centre-of-gravity position of the hopper body and the centre-of-gravity position of the hopper after the loading are further optimized, so that the centre of gravity of the hopper body is located between the revolving hinge point of the hopper and the supporting hinge point of the link and close to the revolving hinge point of the hopper; and requirements on the output torque of a speed reducer are greatly lowered by virtue of the force amplification effect of the link, so that the weight of the speed reducer equipment and the power of a tilting motor are greatly reduced, and the motor power and the energy consumption of the system are saved.

A squirrel-cage vertical shaft wind generating set comprises a support frame (1), a wheel (2), a blade plate (3), a squirrel cage (4), a squirrel cage shaft (5), a locating bearing seat (6), a generator (7), a small coupler (8), a gear case (9) and a big coupler (10). In the support frame (1), the squirrel cage (4) is integrally arranged in the support surface of the support frame and rotates under the action of wind load; and the squirrel cage shaft (5) drives the generator (7) to rotate and output electrical energy by means of the gear case (9).

A receptacle connector for mating with a plug connector includes an insulating body and mating terminals; an insulator includes a pair of longitudinal sides extending in the longitudinal direction anda pair of lateral sides extending in a horizontal direction perpendicular to the longitudinal direction; the longitudinal sides and the lateral sides together form a receiving cavity for accommodating a central portion; each of the longitudinal sides has a middle thickened portion; two rows of through grooves are formed in the insulator, and the through grooves include the longitudinal sides; themating terminals are in two rows and are retained in the through grooves. The through-grooves are covered by the insulator only in the lateral direction corresponding to the middle thickened portion,while the remaining through-grooves are not covered by the insulator in the lateral direction. The through grooves on the receptacle connector is located in the intermediate thickened portion and iscovered by the insulator, and the remaining through grooves are not covered by the insulator in the lateral direction, so that the middle thickened portion protects the through grooves and the matingterminals to meet the structural requirements of a specific board-to-board connector.

The invention relates to a spoiler which comprises two circular ring sleeves at both end parts and a circular ring sleeve positioned between the two end part circular ring sleeves. The two end part circular ring sleeves are connected with the middle circular ring sleeve by beams; and a plurality of beams are uniformly distributed along the peripheral directions of the circular ring sleeves. The spoiler is characterized in that a plurality of pan head screws are uniformly arranged on the outer peripheral surface of each circular ring sleeve; the diameter of a pan head at the end part of each pan head screw is greater than that of the pan head screw; each beam is provided with a plurality of through holes which are respectively matched with the pan head screws on the corresponding circular ring sleeve; the beams are hung on the pan head screws by the through holes; each circular ring sleeve is formed by connecting three arc longitudinal beam assemblies; the longitudinal beam assemblies are connected by screw rods at the end parts; one end of each screw rod is provided with a first supporting nut; and the other end of each screw rod is provided with a second supporting nut and a third supporting nut. According to the invention, inserted pins are not required for insertion in the installing process of the beams and the circular ring sleeves; the structure of the spoiler is simplified; the number of accessories is reduced; labor intensity of installation is reduced; and safety and reliability of use are improved.

The invention discloses an anti-shrinkage multi-unit parallel beam tube optical cable and a manufacturing method thereof. The optical cable comprises a cable core and a sheath layer wrapping the cablecore, the cable core comprises a center reinforcing part, at least two parallel beam tubes and an anti-shrinkage wrapping layer, and the multiple beam tubes are arranged around the center reinforcingpart and are parallel to the center reinforcing part; and each beam tube comprises an optical fiber unit and a loose tube wrapping the optical fiber unit, the outer surface of the loose tube is provided with a plurality of grooves, the plurality of grooves are arranged at intervals along the axial extension direction of the loose tube, an anti-shrinkage wrapping layer wraps each loose tube, and part of each anti-shrinkage wrapping layer is embedded into the grooves. The manufacturing method comprises a plastic coating process, a groove pressing process, an anti-shrinkage wrapping layer coating process and a sheath process. The optical cable is compact in structure, light in weight and high in optical fiber duty ratio, and the shrinkage problem of the beam tubes in the optical cable is solved; According to the manufacturing method, the optical cable can be rapidly and conveniently produced and manufactured, and the structural requirements of the optical cable are met.

The invention relates to an LCD displayer mounting frame. The LCD displayer mounting frame comprises a body with the L-shaped section, a first folding edge which is bent outwards is arranged on the long edge of the body, a second folding edge which is bent outwards is arranged on the short edge, the first folding edge is fixedly connected with one end of an LCD displayer through a first connecting piece, the other end of the LCD displayer is fixedly connected with the short edge through a second connecting piece, and the second folding edge is fixedly connected with a car roof frame through a third connecting piece. The LCD displayer mounting frame has the advantages of being reasonable in design, ingenious in concept, high in modularization degree, rapid and convenient to mount and maintain, and capable of being widely popularized and used in the field of rail traffic transportation, and reducing the car cost.

The invention provides a robot arc welding method suitable for splicing of horn-shaped structures. The method comprises the following steps that every two horn-shaped plates to be assembled are spliced, and protrusion parts are arranged on splicing heads and are used for filling materials into welding seams in a splicing welding mode; the horn-shaped plates to be assembled are assembled and fixed; a welding space lattice is set; welding gun paths are determined according to the welding space lattice and are stored in an arc welding robot. The robot arc welding method improves welding seam forming evenness and welding quality stability. Compared with manual argon tungsten-arc welding, pulse welding of the arc welding robot forms fish scale-shaped welding seams which are even and beautiful. Acquired welding seams are uniform in weld penetration under connector size characteristic control. Compared with a horn body formed by furnace brazing in a furnace, welding seams formed by welding according to the robot arc welding method do not have residual brazing fluxes, follow-up machining processes are reduced, and salt mist resisting performance, hot and humid resisting performance and mildew preventing performance of a connector are improved.

The invention discloses a manufacturing technology for a natural zigzag simulated concrete expansion joint and a ground structure comprising the same. The manufacturing technology comprising the following steps that (1) a concrete area A formwork is set up, and a curved mold is installed in the position where a natural zigzag simulated crack needs to be manufactured; (2) concrete is poured in thearea A; (3) after the concrete in the area A is preliminarily solidified, the curved mold is disassembled; (4) a flexible joint expansion plate is installed in the position of an original curved mold;(5) a concrete area B formwork is set up, and the area B is adjacent to the area A; (6) concrete is poured in the area B; and (7) the top end of the joint expansion plate is trimmed so that the height of the joint expansion plate can be consistent with the height of the concrete surface. According to the manufacturing technology for the natural zigzag simulated concrete expansion joint and the ground structure comprising the same, a theme formwork is developed in the construction process, a theme joint is formed after formwork disassembling, then, the theme joint is subjected to soft connection treatment, finally, the natural zigzag simulated concrete expansion joint is formed, the concrete structure requirement is met, and in addition, the theme landscape requirements are met.

The present invention provides a ferrite antenna, a mobile terminal and a preparation method of a ferrite antenna. The preparation method comprises: pouring ferrite slurry into a die, wherein the line figure of the die corresponding to the ferrite antenna is provided with a raised line; performing preliminary drying forming processing of the ferrite slurry in the die in a first temperature range, and forming a ferrite sheet with a groove arranged in the surface through initial solidification after the first time; performing dying processing of the ferrite sheet through initial solidification in a second temperature range, and obtaining a completely solidified ferrite sheet after the second time; performing coating film crushing pressure processing of the surface without a groove of the completely solidified ferrite sheet, and obtaining a finished product ferrite sheet; and filling conductive materials into the groove of the finished product ferrite sheet, and forming a conductive line layer. Therefore, the groove of the ferrite sheet is filled with the conductive materials to form the conductive line layer so as to effectively reduce the thickness of the ferrite antenna and allow the ferrite antenna to better satisfy the requirement of the mobile terminal on the structure.

The invention discloses an air duct structure for a fishing boat cabin. A box-shaped structural beam is arranged on the top of the fishing boat cabin, an air duct of the fishing boat cabin is arrangedin the box-shaped structural beam, a rotary blowing device is further arranged in the air duct, and compression air is introduced into the rotary blowing device. According to the air duct structure,the box-shaped structural beam is used as a cabin supporting beam, the existing box-shaped structural beam can be fully utilized to build the air duct without specially constructing an independent type air duct, the requirements of the fishing boat cabin structure are met, the occupation of the fishing boat cabin space can be greatly reduced, and coordination between a cabin device and the cabin space is improved. The structure is provided with the rotary blowing device, air flow with high impact force can be rotatably blown in the air duct, the inner wall of the air duct is completely cleaned, dust is not prone to deposition, and the cleanness of the air duct is ensured.

The invention discloses a multi-functional door column for rail vehicles. The multi-functional door column is formed by enclosing an arch surface and at least two vertical surfaces. The connecting part of the first vehicle surface and the arch surface is provided with a clamp groove, and a finger rubber strip is inserted in the clamp groove; the first vehicle surface is provided with two C-shaped grooves, and the connecting part of the first vertical surface and the second vertical surface is provided with the C-shaped groove; the top parts of the first vehicle surface and the second vertical surface are fixedly connected with the steel structure of the vehicle top; the bottoms of the first vehicle surface and the second vertical surface are fixed with the steel structure of a bottom frame; a door-side handrail installation seat is arranged at the inner part of the arch surface, and the arch surface is provided with a handrail installation hole; and a door-side handrail is fixed with the door-side handrail installation seat after being inserted in the handrail installation hole. The multi-functional door column for the rail vehicles is not a single part, but a built-in structural part of the vehicle, so that the multi-functional door column for the rail vehicles can provide the installation structure for the installation of other devices while meeting the structural needs, is capable of realizing modularization, general utilization and multi-purpose of a part and reducing the manufacturing cost of the vehicle. The multi-functional door column for the rail vehicles is skillfully constructed and conveniently and quickly installed, is simple in structure, and provides the interfaces for installation of the multiple devices.

The invention relates to an ammonia water evaporator, in particular to a novel ammonia water evaporator. The novel ammonia water evaporator comprises an outlet flange, an outlet variable diameter section, an evaporator body, an ammonia water spray gun opening, a uniform distribution plate, an inlet variable diameter section and an inlet flange, wherein the outlet variable diameter section is arranged above the evaporator body; the outlet flange is mounted at the top of the outlet variable diameter section; the inlet variable diameter section is arranged below the evaporator body; the inlet flange is mounted at the bottom of the inlet variable diameter section; the ammonia water spray gun opening is formed in the side surface, close to the inlet variable diameter section, of the lower partof the evaporator body; the uniform distribution plate is fixedly mounted on the inner wall of the evaporator body; and the vertical mounting height of the uniform distribution plate is lower than a vertical height of the ammonia water spray gun opening. The novel ammonia water evaporator is specially designed, is capable of ensuring the uniform distribution of flue gas, and plays a key role in the evaporation of ammonia water and the uniform mixing of ammonia and flue gas after the evaporation.

A method for multiplexing video input and component input interfaces in a television receiver, the video signal includes one video signal and two left and right audio signals, the component signal includes one luminance signal and two color difference signals; the same group of RCA signal terminals is used , through the signal channel switching circuit, the common use of video signal and component signal input terminals is realized. On the premise of ensuring the number of signal channels, the number of signal input terminals is greatly reduced, and the structural requirements of the flat panel TV are met.

A hydraulic output connection structure applied to tractors and used with agricultural implements comprises a hydraulic output bottom plate, a bolt, a hydraulic output cover plate, an O-shaped seal ring I, two O-shaped seal rings II, a hydraulic output valve connecting plate, hydraulic output oil pipes, O-shaped seal rings III, and hydraulic output pipe joints. The hydraulic output valve connecting plate is mounted on the hydraulic output bottom plate. The O-shaped seal rings II are mounted at the end of the hydraulic output valve connecting plate which is fastened through the bolt; one end of one hydraulic pipe joint and one end of the other hydraulic pipe joint are tightened in two threaded holes of the hydraulic output connecting plate; the O-shaped seal rings III are set at the other ends of the hydraulic pipe joints; and the hydraulic pipe joints are connected with two hydraulic output oil pipes. The hydraulic output connection structure has the advantages that the structure need of the tractors used with various types of agricultural implements for multi-unit hydraulic output is met, the hydraulic output connection structure is convenient to mount and demount, simple in structure, low in cost and reliable in performance, and the application range of tractors, required by users, is wider.

The invention relates to a double-sided heating steam generator, which comprises an electrical heat source and a steam generator shell, the electrical heat source is provided with two heating surfaces which are opposite from each other, the steam generator shell is provided with two opposite heated surfaces, and the electrical heat source is located between the two heated surfaces. The double-sided heating steam generator provided by the invention adopts the double-sided heating principle to increase thermal efficiency.

The invention discloses an array-type magnetic circuit. A plurality of groups of magnets are arranged in a conventional magnetic conductive support to form a magnetic field forming part in a manner of various combinations; magnetic clearances used for putting coils are reserved among the magnets; the magnetic circuit has the common characters that the polarities of the magnets on both sides of the same magnetic clearance are arranged in the same direction, and opposite to the polarities of the magnets on both sides of the other magnetic clearance, so as to ensure that driving forces of magnetic force lines generated by a plurality of groups of magnets to the coils in the magnetic clearances are superposed in the same direction. The invention further discloses a transducer of an array-typemagnetic circuit made by adopting the magnetic circuit; a coil and a vibrating membrane in the transducer can be connected in a parallel manner or a perpendicular manner, and is matched with the magnetic circuit. The magnetic circuit and the transducer have the advantages of low energy consumption, high efficiency, small distortion and compact structure; furthermore, the magnetic circuit and the transducer can be made into various shapes that are particularly suitable for long-narrow or gap-shaped structures, and include various fields such as communication and, broadcast fields.

A socket connector for docking with a plug connector, comprising: an insulating body and a mating terminal, the insulating body includes a pair of longitudinal side portions extending in a longitudinal direction and a pair of lateral side portions extending in a transverse direction perpendicular to the longitudinal direction , the longitudinal side and the lateral side jointly form a receiving cavity for accommodating a central portion, each of the longitudinal sides has a middle thickened portion; two rows of through-slots are formed in the insulator, and the through-slots are respectively Including the longitudinal side portion; the butt terminals are in two rows and are held in the through slot. The through-slot is covered by the insulator in the lateral direction only at the place corresponding to the middle thickened portion, while the rest of the through-slot is not covered by the insulator in the lateral direction. The present invention utilizes the feature that the through groove on the socket connector is located in the middle thickened part and is covered by the insulator, while the rest of the through groove is not covered by the insulator in the lateral direction, so that the middle thickened part protects the through groove and the butt terminal , to meet the structural requirements of specific board-to-board connectors.