61results about How to "Streamlined" patented technology

The invention discloses a deep sea bionic pressureproof shell. An axial-symmetry eggshell-shaped structure with the length of L, the width of B and the turning radius of R(x) is formed by a left end socket, a right end socket and a middle shell, wherein the thickness t2 of the middle shell is of an equal-strength variable-thickness structure, the thickness t1 of the left end socket and the thickness t3 of the right end socket are respectively of an equal-thickness structure, the left end socket and the middle shell are fixedly connected, and the right end socket and the middle shell are connected by a flange bolt or a movable hatch cover with a seal ring. The deep sea bionic pressureproof shell has good mechanical properties, in-shell space utilization rate, hydrodynamic characteristics and passenger comfort, and comprehensive improvement on safety, carrying capacity, mobility and diving time of a diving device is facilitated; meanwhile, the weight of the pressureproof shell is lightened, the reserve buoyancy of the pressureproof shell is increased, and the processing and manufacturing difficulty and cost are reduced.

The invention relates to a homogeneous three-phase reactor for jet aeration. A three-phase homogenizing plate for jet aeration is arranged at the bottom of a reactor shell or inside a slurry inlet channel; a micro-pore penetrating through the three-phase homogenizing plate for jet aeration is formed in the three-phase homogenizing plate for jet aeration, so that a three-phase mixture of an oil product, hydrogen and a catalyst flows through the micro-pore, and air bubbles of the gas and liquid drops of the liquid become fine and even. Thus, diffusion and full contact of gas, liquid and solid three-phase substances are facilitated by fine and homogenized air bubbles and liquid drops. The homogeneous three-phase reactor for jet aeration disclosed by the invention can achieve full and even mixing of the oil product, the hydrogen and the catalyst, thus a full touch opportunity is created for reaction of the oil product and the hydrogen on the surface of the catalyst, so that reaction is complete and the reaction efficiency is high.

The invention provides a method for manufacturing a frame of a bicycle. The method comprises the following steps of: (1) manufacturing frame fittings, wherein the frame fittings comprise frame pipes and joints, the frame pipes comprise an upper pipe, a back upper fork, a back lower fork, a lower pipe and a middle pipe which are all made of aluminum alloy, and the joints comprise a head pipe joint, a middle pipe joint and a five-way joint which are all made of magnesium alloy; (2) processing surfaces of the frame fittings; (3) molding the frame pipes and the joints by gluing; (4) grinding and polishing the frame; and (5) performing baking finish on the surface of the frame. The whole frame utilizes the gluing molding technology so that the frame has beautiful appearance, better streamline form, and higher size precision; furthermore, the deformation and stress concentration caused by welding in the traditional manufacturing method are eliminated.

The invention provides a loose tooling forging blank forming method of a long-sheet complicated die forge piece and belongs to the field of aviation product plastic forming. According to the loose tooling forging blank forming method of the long-sheet complicated die forge piece, an original free forging blank method is changed, free forging loose tooling forming is applied to die forging blank forming, a simple tooling is designed, materials are accurately calculated, steps of square forging, bar pulling, indenting, heading, necking, clamp pressing, final forming and the like are utilized, the shape of a blank is similar to that of the forge piece, final forming of the die forge piece is facilitated, the whole streamline of the die forge piece is reasonable, the problems that the shape is not regular, the size is slightly large, die forging forming size mismatching exists and the like due to the original free forging blank method can be avoided, and the loose tooling forging blank forming method of the long-sheet complicated die forge piece has the advantages that the die manufacturing is simple, costs are low, the period is short, forging heating number is small, the material utilization ratio is high, and the like.

The invention provides a supergravity-continuous micro impinging stream reactor based on the eight-trigram diagram principle. The supergravity-continuous micro impinging stream reactor comprises a main flow channel and 24 branch flow channel outlets corresponding to 24 branch flow channels; the main flow channel comprises 24 semicircular flow channels which butt joint sequentially and are arranged along the straight line direction and the radiuses of which are equal or change from small to large; the 24 branch flow channel outlets are respectively positioned in the inner sides of the 24 semicircular flow channels, and the circulation cross sections of the 24 branch flow channel outlets are circles with equal radiuses and the circle centers of the circles are coincided with the respective corresponding semicircular flow channels; the branch flow channel outlets and the corresponding semicircular flow channels are communicated via fan-shaped slits; the circle centers of the fan-shaped slits are coincided with the circle centers of the branch flow channel outlets; the widths of the fan-shaped slits are determined by guaranteeing that the initial velocity is greater than 1m / s when branch streams run into the main stream. According to the invention, the multi-scale mixing in the liquid-liquid reaction process can be intensified by utilizing the impinging of the high-frequency reversed supergravity field and a continuous ultrathin liquid membrane.

The invention discloses a shower sprayer, which comprises a faucet and a handle, wherein the handle is used for controlling the water outlet, the faucet is connected with a shower sprayer handle through a stainless steel hose, a shower sprayer head is arranged on the shower sprayer handle, the shower sprayer handle and the shower sprayer head are of an integral structure, a water outlet cover is arranged on the shower sprayer head, a round water outlet hole is formed in the water outlet cover, the water outlet cover is installed and connected with the shower sprayer head through screw threads, a sealing ring is arranged between installing connection positions for sealing, and recessed clamp grooves are formed in the surface of the water outlet cover. The recessed clamp grooves are in circular arc shapes, the water outlet cover can be unscrewed or mounted through adopting a special tool to be matched with each clamp groove of the water outlet cover, the water outlet cover is enabled not to be freely mounted and dismounted, the appearance of the integral shower sprayer is improved, the integral streamline effect is sufficient, and full market atmosphere is realized.

The invention relates to producing and manufacturing of semiconductor electronic devices, in particular to a diode packaging process. The diode packaging process includes: scribing, pasting, welding, plastically sealing, electroplating, rib-cutting, testing, silk printing, and packaging to obtain a diode. A double-core manufacturing process is adopted, so that the defect that multiple-pin pasting packaging is prone to causing empty pins is overcome; the diode is small in size, excellent in electric performance, high in quality and simple and precise in process and has the characteristics of simplicity and practicability; the diode packaging process is universally suitable for high-density integrated circuit board assembling, number of integrated circuit boards is reduced, quality advantage is improved, space and area occupied by the integrated circuit boards are effectively reduced, improving is kept, and production cost is lowered.

The invention belongs to the technical field of hot working of section-variable aluminum alloy die forgings, and in particular relates to a hot working method for improving the structure and the performance of a section-variable aluminum alloy die forging. The method is characterized in that a moulding bed is designed and made according to the section-variable structure of the aluminum alloy die forging; a blank is separated and shaped by using the moulding bed; a preforging die is designed and made according to the section-variable profile of the aluminum alloy die forging; the preforging die is dimensioned to have a certain deformation allowance for the next forging; the blank is preforged by the preforging die, so that the blank is fixed and locally machined through the perforging die and each variable section is uniform in deformation; a final forging die is designed and made according to the final size of the variable sections of the aluminum alloy die forging; and forming and forging of the blank are conducted by the final forging die. The method enables the sections of all parts of the section-variable aluminum alloy die forging to be consistent, so that the hardenability of heat treatment and the uniformity of the structure property are guaranteed, and the whole performance of the section-variable aluminum alloy die forging is largely improved.

The invention discloses a deep sea pressure resistant device. The deep sea pressure resistant device comprises a steel reinforcement framework which is in a shape of an eggshell and is symmetrical along the axis of the pressure resistant device; the inner layer and the outer layer of the steel reinforcement framework are both filled with concrete; the two ends of the steel reinforcement framework are the large end and the small end correspondingly; a man hole is formed in both the large end and the small end; one end of the man hole is connected with a man hole cover through a sealing gasket; the other end of the man hole is connected with a sight glass flange; the sight glass flange is connected with a sight glass base through a sealing gasket; a piece of sight glass glass is installed on the sight glass base; and the sight glass glass is fixed to the sight glass base through a hold-down ring. According to the egg-shaped concrete pressure resistant device, the effect that the eggshell can excellently resist uniformly distributed load, and the concrete pressure resistant characteristic is fully utilized, and an egg-shaped pressure resistant shell framework structure is built by means of steel reinforcements. The steel reinforcement layer serves as the middle surface, the interior and the exterior are filled with the concrete, the pressure resistant shell wall thickness is formed, the structure of the steel reinforcement framework is closer to the outline of a goose egg, and accordingly the pressure resistant characteristic of the structure is better achieved.

The invention discloses a binocular visual sense based intelligent obstacle avoidance algorithm. The algorithm comprises the following steps that S1) a route is planned according to a destination of arobot, left and right cameras of a binocular camera are calibrated, and plane equations of the ground in coordinates of the left and right cameras are calculated respectively; S2) the binocular camera collects an image in front of the robot, and the image is de-noised; and S3) distortion and polar lines in the two images collected by the left and right cameras of the binocular camera are corrected, distortion is eliminated, matching points are limited in one straight line, and finally, a parallax image is obtained by matching. The algorithm satisfies the requirement for detecting barriers correctly in high precision, the requirement of real-time detection can be met, the accuracy and instantaneity are both taken into consideration, and the robot achieves a good obstacle avoidance effect.

The invention discloses a drug-mixing connector, in particular relates to a drug-mixing connector for a plastic infusion soft bag, belonging to the technical field of medical device manufacturing. The drug-mixing connector is characterized in that, during the drug mixing process, when an easy-to-break handle is broken, the infusion soft bag is not damaged, and the broken handle segment of the easy-to-break handle does not drop into a plastic infusion soft bag. The drug-mixing connector comprises the easy-to-break handle, the infusion soft bag and a hard dual connector which is connected with the infusion soft bag and comprises a drug-mixing channel and an infusion channel; the drug-mixing channel is connected with a drug-mixing mouth which comprises a drug-mixing clamping body and a needle cylinder body; the drug-mixing connector further comprises a sealed rubber hose, and the drug-mixing mouth is connected with the drug-mixing channel through the needle cylinder body and the sealed rubber hose; and the easy-to-break handle is sheathed at the tail end of the needle cylinder body in the sealed rubber hose.

Provided is a fish classification device of an interrupted bamboo-joint type nonlinear structure. The device includes a feeding mechanism, a discharging mechanism and a classification aligning mechanism; a discharging end of the feeding mechanism is connected with a feeding end of the discharging mechanism, the classification aligning mechanism is positioned above the discharging mechanism, the feeding mechanism comprises a feeding hopper and a feeding pipe, and an outlet end of the feeding hopper is connected with an inlet end of the feeding pipe; the discharging mechanism comprises a guide rail rod, a discharging plate, a side baffle, a guide rail front-end plate and a guide rail rear-end plate; the side baffle is positioned at the lateral side of the discharging plate; the guide rail front-end plate is positioned at the inlet end of the discharging plate; the guide rail rear-end plate is positioned at an outlet end of the discharging plate; the guide rail rod is arranged above the discharging plate; one end of the guide rail rod is connected with the guide rail front-end plate, and the other end of the guide rail rod is connected with the guide rail rear-end plate; the classification aligning mechanism comprises a cross beam, a cross beam rod, a connecting rod and a baffle, the cross beam is arranged on the side baffle, the cross beam rod is located in a groove of the crossbeam, the connecting rod is matched with the cross beam rod, and the baffle is matched with the connecting rod.

The invention discloses a forging process of a scroll for a novel energy automobile integral type scroll compressor. According to the forging process, a forging die is involved, the forging die comprises an upper die and a lower die, the lower die comprises cavities, the cavities comprise an upper mold cavity and a lower mold cavity, wherein the upper mold cavity is located in the upper portion and is used for forming the bottom of a scroll, the lower mold cavity is positioned at the lower portion and is used for forming a scroll wall, a back pressure body is arranged in the lower die, and anejection mechanism used for driving the back pressure body to eject a forge piece is arranged below the back pressure body. The forging process comprises the following steps that S1, blanking is conducted, a blank is cut into a disc-shaped blank with the phi 104 * 17 mm-phi 104 * 19 mm; S2, heating is conducted, the heating temperature is controlled to be 400-450 DEG C, and an automatic feeding mechanism is using for pushed 4-5 blanks into a intermediate frequency furnace every minute; S3, finish forging is conducted, and the back pressure is controlled to be 10-16T. According to the technicalscheme, the process has the advantages that back pressure forging is adopted, the lower cavity can be guaranteed to be uniformly filled, so that the forming problem that a forge piece is large in high-thickness ratio and small in wall thickness is well solved.

The invention discloses a hollow blade used for a centrifugal fan impeller. The hollow blade comprises a first vane plate forming a pressure surface and a second vane plate forming a suction surface,the rear ends / rear end of the first vane plate and / or the second vane plate are / is provided with connecting portions / a connecting portion for mutual connection, and the thicknesses of each connectingportion are gradually reduced from front to back. The rear end of at least one of the first vane plate and the second vane plate of the hollow blade is provided with the connecting portion, the thickness of the rear end of each connecting portion is thin, the thickness of the back edge of the hollow blade is smaller after the first vane plate is connected with the second vane plate, and the trailing edge loss of the hollow blade is further reduced.

The invention relates to a sewage treatment device and a sewage treatment method. The device comprises a housing, aerators arranged at the bottom of the housing, first deflectors, sludge hoppers, a water distribution channel, second deflectors, precipitate inclined plates, overflow tanks and clear water tanks. The two first deflectors perpendicular to the bottom of the housing sequentially divide the inner cavity of the housing into a first aerobic reaction zone, an anoxic reaction zone and a second aerobic reaction zone. When the device is working, sewage flows from a water outlet from the wall surface of the water distribution channel to the anoxic reaction zone, and then flows to the first and second aerobic reaction zones through the gaps between the first deflectors and the bottom of the housing; the sewage is aerated by the aerators; one part of the sewage is refluxed to the anoxic reaction zone from the upper parts of the first deflectors, and the other part flows into the sludge hoppers through deflector holes; after reaction precipitation, sewage is discharged from through holes at the tips of the sludge hoppers, and is circulated again; clear water flows through the precipitate inclined plates and is gradually overflown; the clear water is discharged to the clear water tanks through the overflow tanks, and is discharged to the outside. The device provided by the invention has the advantages of simple structure, convenient operation, regular flow pattern, high sludge concentration, high oxygen dissolution efficiency, low energy consumption, low construction cost, and low operation cost.

The invention discloses a one-piece-type vamp which comprises a shoe toe part, a shoe heel part and a shoe waist. The shoe toe part, the shoe heel part and the shoe waist are integrally formed in a one-piece mode. The shoe toe part, the shoe heel part and the shoe waist are integrally formed in a hot-press mode by at least three flexible materials. The vamp is integrally formed into a hollow shell shape matched with a human body foot. The bottom of the vamp is connected with a sole. The vamp is manufactured by three steps of hot pressing, cooling and cutting and is suitable for the foot shape of a human body. Wearing can be comfortable in a tight-attaching mode, sewing is avoided on the surface, a streamline is smooth, a plurality of concave positions are formed in the shoe toe part in a hot-press mode, and attractiveness is achieved. In addition, the one-piece-type vamp is connected with a middle bottom and then is attached with a large bottom, and a shoe can be formed. Production efficiency is greatly improved, and a large amount of labor cost is saved.

The invention relates to a production method for a combined forging and pressing oxygen lance nozzle and a mould special for the same. The production method comprises methods for producing a nozzle crown, a watertight shutter, a nozzle external pipe, a nozzle middle pipe, a nozzle inner core and a nozzle internal pipe, wherein a method for producing the nozzle crown comprises the following steps of: selecting materials; forging and pressing blanks; producing semifinished blanks, forging and molding; and machining a cone-shaped oxygen blowing mouth on an upright post to obtain the nozzle crown. The mould special for the production method comprises an upper mould and a lower mould, wherein the upper mould comprises a male die fixing plate on which a male die is arranged; a plurality of post holes are formed on the male die and radially and uniformly arranged around the center of the male die; the central line of each post hole forms an included angle of 7 to 20 degrees with the central line of the male die; the mould special for the production method is used for forging and pressing so as to obtain mould blanks. The nozzle crown forged and molded by the mould has a small number of welded joints, uniform and compact wall thickness, refined crystalline grains and the high polished degree of a mould cavity; and the production method improves the water supply strength of the oxygen lance nozzle and ensures cooling effect, so that the service life of the oxygen lance nozzle is effectively prolonged.

The invention discloses an improved annular wearable touch display device, which is successively provided with a display module, a transparent protection shell and annular soft touch modules from bottom to top, wherein a transparent shell is arranged on the top to cover the annular soft touch modules, and the annular soft touch modules cause the display module to display through touch sensing. An annular soft circuit board and the annular soft touch modules of plural induction points arranged on the annular soft circuit board are used for replacing a known interface which takes indium tin oxide for touch induction, and can be cooperated with the gestures of a user and application software to be expanded into a higher-specification wearable touch display device, the manufacture cost of a known an indium tin oxide touch induction layer can be omitted, and in addition, the transparent shell which covers the annular soft touch modules can be made into a 3D curve to conform to the appearance design of a traditional watch.

The invention discloses a double-roller valve body adjusting type electronic throttle valve. The double-roller valve body adjusting type electronic throttle valve is used for controlling the air inletamount of an engine of a formula racing car. The electronic throttle valve comprises a throttle valve shell, a roller part and a direct-current motor; wherein the throttle valve shell is arranged onan air inlet system of the engine, an air inlet and an air outlet are formed in the throttle valve shell, wherein the air inlet is used for allowing air to enter, the air outlet is used for introducing the air entering from the air inlet into the engine, a direct-current motor mounting cavity and a roller valve mounting cavity are formed in the throttle valve shell, and the roller valve mounting cavity communicates with the air inlet and the air outlet; the roller part comprises a first roller assembly and a second roller assembly, and the first roller assembly and the second roller assembly are symmetrically arranged in the roller valve mounting cavity in opposite directions; and the direct-current motor is fixed in the direct-current motor mounting cavity through a direct-current motor check ring. The double-roller valve body adjusting type electronic throttle valve is simple in structure and convenient to install, and therefore time is saved, the throttling loss is effectively reduced, the air inlet efficiency is improved, and the working stability is further improved.

The invention discloses an electronic shelf fast query system for intelligent stores based on the Internet of things technology. The electronic shelf fast query system comprises an electronic shelf and a store management system. In the electronic shelf, a cross bar is installed on the top of two supports, a garment lever is installed between the two supports through a lifting device, the garment lever is equipped with a plurality of hangers, a display stand and an FRID antenna are arranged on the upper end of the cross bar, an air jet device is installed at the lower end of the cross bar and corresponds to the garment lever, a garment implanted with an FRID tag is arranged on each hanger, and a magic mirror system is arranged at one end of the supports. The store management system comprises a management control module, and a storage module, a calculation module, a read-write antenna, a payment module and a tag counting module which are connected with the management control module, wherein the tag counting module is connected with the read-write antenna. With the system, the design concept, fabric, picture, video, important selling points and collocation of a garment can be displayed automatically, air can be jetted onto garments, the external environment of a garment worn on a person can be better simulated, and the purchase desire is improved.

The invention discloses a tunnel type main girder with a streamlined aerodynamic appearance. Bridge floor driving vehicles are isolated from a severe storm, so that the aerodynamic appearance of a bridge in an operation state is free from influences of factors such as wind break, a guardrail, a vehicle appearance and a distribution state; the ideal aerodynamic appearance is kept all the time; and the problems that the practical aerodynamic performance of the bridge in the operation state is poor, and the safety guarantee of the driving vehicles on the bridge during strong wind is ineffective are solved. In addition, a driving condition can be improved significantly; a gradient temperature load caused by solar radiation can be reduced; the durability of a main structure can be improved; and the predictability of the wind resistance of the bridge can be improved. The tunnel type main girder adopts a unitized and modularized membrane structure which is high in strength, corrosion-resistant, ultraviolet-resistant, light in deadweight, fire-proof, fire-retardant, good in self-cleaning, better in light transmittance and lower in cost. The tunnel type main girder is high in factory degree, convenient to mount, sound-proof, and good in landscape effect, is suitable for a large bridge structure in a strong wind area, and can be used for a municipal bridge, and a color membrane structure can be adopted, so that people cannot forget at a glance.

The invention discloses a solar electric motorcycle. The solar electric motorcycle comprises an electric motorcycle body; a storage box is arranged on a rear seat of the electric motorcycle body; a rear solar cell panel is arranged on the top part of the storage box; side solar cell panels are arranged at two sides of the electric motorcycle body; two front solar cell panels which are outwards protruded and distributed in an reversed V shape are arranged on a front baffle of the electric motorcycle body. According to the solar electric motorcycle, the quantity of the solar cell panels on the electric motorcycle is increased, so that the sunshine can be received from a plurality of angles in a plurality of directions, and therefore, the generation capacity and generation efficiency are increased.

The invention provides a cascading-effect concrete landscape wall structure and a construction process thereof. The landscape wall structure is formed by pouring of multiple layers of concrete from bottom to top. An integrated structure is formed in each layer of concrete, outer edges are disconnected and not connected, fault space is formed, and ornaments are integrally poured to the fault space. According to the cascading-effect concrete landscape wall structure and the construction process thereof, by means of the specific process technology, the sensory effect expected by people is achieved, and therefore individuality themes, the ornamental effect, the streamline form and the environmental protection function are considered.

The invention discloses a hybrid electric vehicle. The vehicle comprises a vehicle body, a vehicle body energy configuration system and an energy recycling device; the vehicle body collects solar energy through a solar energy collecting device; the collected solar energy is stored in the vehicle body energy configuration system, the energy configuration system comprises a solar energy charging circuit, and the energy configuration system is connected with a storage battery through the solar energy charging circuit; the energy configuration system is connected with an automatic vehicle-mounted control device, a sensor is arranged between the energy configuration system and the storage battery, and the energy configuration system is connected with an external charger and an electrical motor respectively. According to the design of appearance and materials of the vehicle, nano-paint baking finish is achieved, the environmental protection performance is improved, and fashionable and individualized elements are integrated. According to the hybrid electric vehicle, the usage cost of customers is reduced, the intelligent and safety functions are increased, and progress in energy conservation and environment protection of vehicles is promoted effectively.

The invention discloses an outdoor fresh air ventilation device combined with an air purifier. The outdoor fresh air ventilation device comprises a machine body, a purification box, a water tank and an air duct are arranged inside the machine body, the air duct is located between the purification box and the water tank, the outer wall of one side of the air duct is fixedly connected with a protective cover through bolts, moreover, the interior of the air duct is fixedly connected with a motor through bolts, one end of the motor is rotationally connected with an impeller through a rotating shaft, an indoor air lead-in pipe is arranged between the air duct and the water tank, and a mixed gas pipe is arranged between the water tank and the purification box. According to the outdoor fresh airventilation device, on one hand, carbon dioxide in gas is transferred and discharged through the solubility of water, so that the content of the carbon dioxide in indoor air is effectively reduced, onthe other hand, by introducing outdoor fresh air, indoor carbon dioxide concentration is effectively reduced, oxygen concentration is increased, the outdoor fresh air enters a room to effectively dilute and remove PM2.5 and gaseous pollutants in the room, and the purification efficiency is improved to a certain extent.

Disclosed is a steam exhaust diffusion flow guiding structure of a steam turbine. The steam turbine comprises a low-pressure outer cylinder composed of a low-pressure outer cylinder upper half portion and a low-pressure outer cylinder lower half portion. The steam exhaust diffusion flow guiding structure comprises a steam exhaust flow guiding ring arranged in the low-pressure outer cylinder. The steam exhaust flow guiding ring comprises an upper half ring, wherein the steam exhaust end surface of the upper half ring is provided with a notch, and a portion, at least obstructed by the steam exhaust flow guiding ring, of a steam exhaust cone body of the low-pressure outer cylinder upper half portion can penetrate through the notch in the radial direction of the upper half ring. According to the invention, the low-pressure outer cylinder upper half portion can integrally descend in place or can be integrally hoisted, and integrality of the low-pressure outer cylinder upper half portion can be kept; the disassembly and assembly process of the low-pressure outer cylinder is simplified, perpendicular sealing surfaces resulting from split structures are omitted, and good steam tightness is ensured; and the problems that in the prior art, due to the fact that a low-pressure outer cylinder upper half portion is divided into a left portion and a right portion, installation, overhauling and maintenance of the low-pressure outer cylinder upper half portion are quite complex, steam tightness is poor, and the low-pressure outer cylinder upper half portion cannot integrally descend in place or cannot be integrally hoisted are solved. The invention further provides the steam turbine.

The invention provides a linear motor primary, which comprises a machine base, an iron core assembly and tooth pressure plates, wherein the iron core assembly comprises a radiator and an iron core, the radiator is longitudinally arranged on the upper surface of the iron core along the iron core, a fluid inlet and a fluid outlet are formed in the radiator, the fluid inlet is located in the middle of the radiator, a plurality of transverse through hole groups and a longitudinal channel for communicating the transverse through hole groups with the fluid inlet and the fluid outlet are arranged in the radiator, and the iron core assembly is clamped from two sides through the two tooth pressure plates and then is mounted in the machine base. According to the invention, the structure is simple; the iron core assembly is reasonably designed, so that the problems that in the prior art, heat dissipation of the middle portion of an iron core is difficult, and heat dissipation fluid is not evenly distributed are solved, and the heat dissipation capacity of a machine base is greatly optimized so as to greatly improve the primary high-temperature condition of the whole stator, guarantee that an insulation system works at a normal temperature and prolong the service life of a motor.

The invention discloses a vertical-axis wind turbine which comprises blades, a spindle and a main motor base. The blades are fixed to the spindle through a connecting support. The connecting support comprises a first connecting body and a second connecting body which are vertically and fixedly connected; spindle holes communicating with each other are formed in the first connecting body and the second connecting body; connecting rods are arranged on the right side of the first connecting body and the left side of the second connecting body; first threaded holes are formed in the left side of the first connecting body and the right side of the second connecting body; and second threaded holes are formed in the top ends of the connecting rods. The two ends of the blades are fixedly connected through the first threaded holes and the second threaded holes in the connecting support through bolts. The spindle penetrates through the spindle holes to be fixedly connected with the connecting support. The spindle is connected with a drive shaft on the main motor base through a coupler. The vertical-axis wind turbine is stable in structure and long in service life. Protection coatings sprayed on the blades have excellent weather resistance, are resistant to abrasion, corrosion and ageing and high in self-cleaning capacity, and can greatly prolong the service life of the blades.

The invention relates to a die special for producing a combined forged and pressed oxygen lance nozzle. The die comprises an upper die and a lower die, wherein the upper die comprises a male die fixing plate; a male die is arranged on the male die fixing plate and is provided with pillar holes which are uniformly formed along the center of the male die radially; an included angle of 7 to 20 degrees is formed between the center line of the pillar holes and the center line of the male die; inserts are arranged on the pillar holes close to the center of the male die; the contact surfaces of the inserts and the male die are parallel to the center line of the male die; an arc concave surface is formed at the middle position of the male die; the lower die comprises a female die fixing plate; a female die is fixedly arranged on the female die fixing plate and is provided with a cavity of which the shape corresponds to that of the end face of a crown of the nozzle; and an arc convex surface is formed at the middle position of the female die. An intermediate blank is forged and pressed into a formed blank by the special die, so that the water supply intensity of the oxygen lance nozzle is improved, and the service life of the oxygen lance nozzle is prolonged; and the contact surfaces of the inserts which are arranged on the pillar holes close to the center of the male die, and the maledie are parallel to the center line of the male die, so that the die and a forged and pressed piece are convenient to take and place.