98 results about "Silumin" patented technology

The utility model provides a low-temperature brittle-fracture-resistant special alloy plate. The low-temperature brittle-fracture-resistant special alloy plate is characterized in that the alloy plate is arranged in a frame assembly, the alloy plate comprises a base layer, two reinforcing layers, two composite layers and two wear-resistant layers, the base layer is made of high-strength 7075 aluminum alloy and used for providing bearing capacity, the reinforcing layers are made of ferrite and used for preventing cracks from expanding, and the composite layers are made of high-strength aluminum alloy and used for providing high-strength aluminum alloy and used for providing high-strength aluminum alloy and high-strength aluminum alloy and used for providing high-strength aluminum alloy and high-strength aluminum alloy. The composite layer is made of a nickel-based alloy material and is used for absorbing external impact energy, and the wear-resistant layer is made of a tungsten steel material and is used for increasing wear resistance; the multiple reinforcing ribs are installed at the top and the bottom of the base layer correspondingly, and butt joint openings are formed in the adjacent faces of the two reinforcing layers correspondingly. According to the low-temperature brittle-failure-resistant special alloy plate provided by the utility model, crack propagation can be effectively hindered through the design, so that when the alloy plate bears external force at a low temperature, cracks need to continuously change directions to bypass grain boundaries and consume more energy, and thus the brittle-failure-resistant capability is remarkably improved.

The utility model provides a building daylighting roof which comprises an outer frame, a daylighting assembly and a heat insulation assembly, the outer frame is made of high-strength aluminum alloy materials and fixed to the top of a building body through expansion bolts, the daylighting assembly is installed on the outer frame, and the daylighting assembly is composed of multiple layers of composite boards. Comprising an outer tempered glass layer, a middle polycarbonate sunlight plate layer and an inner dimming glass layer, and the heat insulation and heat preservation assembly is installed on the outer frame and located below the lighting assembly. The indoor temperature can be reduced in summer, the indoor temperature can be kept warm in winter, the energy consumption of an air conditioning system is reduced, and the energy-saving target of a building is achieved.

The invention provides a hard and tough alternately laminated light-weight corrosion-resistant composite material, which comprises a laminated matrix formed by periodically and alternately stacking high-strength aluminum alloy layers and carbon fiber reinforced thermoplastic resin layers; the metallurgical-mechanical composite interface is located between the high-strength aluminum alloy layer and the carbon fiber reinforced thermoplastic resin layer, forms a nanoscale coarse structure on the surface of the aluminum alloy through plasma activation treatment, and is combined with the thermoplastic resin matrix to form a transition area with mechanical interlocking and chemical bonding functions; the conductive polymer anticorrosive coating covers the surface of the outermost layer of the laminated matrix; the preparation method of the light-weight anti-corrosion composite material comprises the following steps: surface pretreatment, plasma activation treatment, laying, hot-pressing curing and preparation of an anti-corrosion coating. Through the synergistic effect of macroscopic laminated configuration design, microcosmic interface strengthening and a surface active anti-corrosion coating, the advantage of light weight is kept, and meanwhile, balanced improvement of impact wear resistance and long-acting electrochemical corrosion resistance is achieved.

The invention belongs to the technical field of aluminum alloy material processing, and discloses a cryogenic treatment process of a 7xxx series high-strength aluminum alloy pipe, the process sequentially comprises three core steps of solution treatment, cryogenic treatment and aging treatment, and the 7xxx series high-strength aluminum alloy pipe is obtained by accurately controlling key parameters of each step. The technical problems that in a traditional T6 heat treatment process, a 7xxx series aluminum alloy pipe is uneven in precipitated phase distribution, grain refinement is insufficient, the strength and plasticity are difficult to consider, and internal stress is large are solved. After being treated by the process, the tensile strength of the pipe is improved to 705MPa, the yield strength is improved to 678MPa, the ductility is improved to 11.8%, the size of a precipitated phase in a microstructure is smaller, distribution is more uniform, the internal stress is remarkably reduced, the size stability is greatly improved, industrial batch production can be realized, and the requirements of the fields of aerospace, rail transit and the like on the high-performance aluminum alloy pipe are met.

The invention relates to the technical field of extrusion dies, in particular to a high-strength aluminum alloy extrusion die temperature compensation system which comprises a divergent die, a die holder and a die body, a plurality of divergent bridges are arranged on the divergent die, a die core is arranged in the middle of the divergent die, the divergent bridges are all connected with the die core, and the die holder is coaxially connected to the front end face of the divergent die through bolts; the water pressing groove is formed in the front end of the die holder, the section of the water pressing groove is designed to be in the frustum shape, and cooling liquid entering the water pressing groove flows from the front end to the rear end, so that the cooling effect on the front end of the forming part is higher than that of the rear end, and the situation that the extrusion forming speed of a high-strength aluminum alloy profile is affected due to temperature reduction is avoided; and meanwhile, the problem that the strength of the high-strength aluminum alloy profile is reduced due to the fact that the grain structure in the high-strength aluminum alloy is suddenly changed due to temperature suddenly changing of the high-strength aluminum alloy profile in the extrusion direction is solved, the physical property of the profile is guaranteed, and meanwhile the surface quality of the profile is guaranteed.

The utility model belongs to the technical field of shielding cabinets, particularly relates to a portable shielding cabinet made of lightweight composite materials, and aims to solve the problems that a main body structure of an existing device is integrally made of metal materials, and although the metal materials have excellent electromagnetic shielding performance, the self weight of the metal materials is large, so that in a scene needing frequent movement or temporary construction, the electromagnetic shielding performance of the metal materials is poor. In order to solve the problems that a traditional shielding cabinet is extremely inconvenient to carry and consumes a large amount of manpower and material resources, the utility model provides the following scheme that the portable shielding cabinet made of the lightweight composite material comprises a frame main body which adopts a frame type structure; the utility model has the beneficial effects that the frame main body is formed by splicing high-strength aluminum alloy sections, the density is low, the weight is light, the frame type structure is matched, the frame is stable, the portability is obviously improved, the carrying is easy and labor-saving, the corner connecting pieces are made of high-strength engineering plastics, the weight is reduced, electromagnetic conduction is prevented, and the shielding performance is optimized.

The utility model discloses a pipe ditch protection device for thermal engineering, which relates to the technical field of thermal engineering auxiliary equipment and comprises a plurality of protection plates, a plurality of openings are fixedly arranged at the tops and the bottoms of the plurality of protection plates, bolts are arranged in the plurality of openings in a threaded manner, the plurality of protection plates are fixedly connected through the bolts, and an elastic cushion is fixedly arranged at the bottom of one of the protection plates. The protection plate is made of high-strength aluminum alloy and provided with the abrasion-resistant and corrosion-resistant coating, the buffering assemblies on the edges of the bottom and the top can effectively absorb and disperse impact of external force and protect a pipe ditch and a pipeline, the heat preservation layer on the inner side can reduce heat loss, heat transmission efficiency is improved, the protection plate can be rapidly connected and detached, and the service life of the protection plate is prolonged. And the construction efficiency is greatly improved.

The utility model relates to the technical field of ship hydraulic control equipment, in particular to a modularized integrated control valve group for a ship hydraulic clutch. The device comprises a main valve group, a first functional module valve group, a second functional module valve group, a third functional module valve group and a top plate are sequentially arranged above the main valve group, and the first functional module valve group and the third functional module valve group are the same in internal structure; according to the utility model, a modularized sandwich valve group framework is adopted, and standardized valve block units are superposed on the basis of a main oil inlet valve block, so that a main valve block does not need to be redesigned when a module is newly added, a control loop can be expanded only by increasing or decreasing the standardized units, and the volume and complexity of multi-path control are remarkably reduced; aiming at a ship high-salt-fog environment, the valve block base material is made of high-strength aluminum alloy and adopts the zinc-plated nickel alloy composite coating, the surface corrosion resistance is improved through the electroplating and passivation dual process, and meanwhile, the salt-fog-resistant elastic sealing ring is used, so that the leakage risk caused by corrosion is reduced.

The utility model discloses a kind of tensile composite cable in the technical field of cable, and cable is composed of torsion-resistant combination core, conductor, nanometer composite insulation layer, shielding structure layer and protective sleeve. Torsion-resistant combination core is woven by high-carbon steel wire, glass fiber and kevlar fiber according to 1:1:1 proportion three-dimensionally, provides high strength and torsion resistance ability;Conductor is high-strength aluminum alloy wire with conductive ceramic coating on surface, is double helix winding outside torsion-resistant combination core, enhances flexibility and tensile property;Nanometer composite insulation layer is composed of nanometer silicon dioxide, nanometer aluminum oxide and high-molecular polymer base material, is equipped with tiny air passage inside, improves insulation performance and heat dissipation effect;Shielding structure layer includes tinned copper wire braiding shielding layer and aluminum-plastic composite film shielding layer, and the two are connected closely by conductive glue, effectively shield electromagnetic interference. Overall design significantly improves the tensile, torsion resistance, environmental resistance and shielding level of cable, meets the use demand under complex environment.

The application relates to the technical field of cables, and discloses a high-strength aluminum alloy medium-voltage power cable. The high-strength aluminum alloy medium-voltage power cable comprises, from inside to outside, an aluminum alloy conductor and an insulation layer; the insulation layer is a cross-linked polyethylene nano-composite insulation material, and the raw material components of the cross-linked polyethylene nano-composite insulation material comprise, in terms of weight fractions, 100 parts of a base resin, 3-8 parts of core-shell-star compounded inorganic nano-filler, 0.5-1 part of an antioxidant and 1.5-2.5 parts of a cross-linking agent; the core-shell-star compounded inorganic nano-filler is silica-coated nano-aluminum nitride grafted with polyhedral oligomeric silsesquioxane, and is denoted as AlN@SiO2-POSS. In the application, the inorganic nano-composite filler is used to improve the thermal conductivity of the cable insulation layer, and meanwhile, the dielectric strength, mechanical tensile property and heat aging resistance of the cable are improved.

The invention relates to the technical field of aluminum alloy, and provides a preparation method of a medium-high-strength aluminum alloy component, which comprises the following steps: S1, heating an initial aluminum alloy profile at a temperature T2, and preserving heat, so that a GP region of the aluminum alloy profile is re-dissolved in a matrix; a base body of the initial aluminum alloy profile comprises a GP area; s2, the aluminum alloy profile obtained in the step S1 is subjected to hot forming; and S3, the aluminum alloy profile obtained in the step S2 is cooled, and then aging treatment is conducted. According to the preparation method of the medium-high-strength aluminum alloy component, on the premise that the strength of the aluminum alloy component is guaranteed, the plasticity of the aluminum alloy component in the complex shape forming stage is remarkably improved, meanwhile, deformation caused by heat treatment is reduced to the maximum extent, the technological process is simplified, and the production cost is reduced.

The utility model relates to the technical field of automobile parts, and discloses a high-strength aluminum alloy support plate for an automobile engine, which comprises a support plate body, a reinforcing and stabilizing component and a protective component are fixedly mounted above the support plate body, the reinforcing and stabilizing component comprises a reinforcing rib fixedly mounted on the surface of the support plate body, and the protective component is fixedly mounted on the surface of the support plate body. The protection assembly comprises an installation plate arranged above the reinforcing ribs, U-shaped aluminum alloy fixing plates are fixedly installed between the supporting plate body and the two sides of the installation plate, the criss-cross reinforcing ribs construct a firm supporting network on the surface of the supporting plate body, and the space design of the supporting plate body reduces the weight and maintains the strength at the same time. The rigidity and bearing capacity of the supporting plate body are improved, vibration and gravity are effectively resisted, deformation is prevented, the supporting plate body and an engine or a vehicle body part are accurately and stably connected through connecting pieces such as bolts through the first mounting holes and the second mounting holes of the flanges, the flanges and the mounting plate are connected through the auxiliary fixing strips, and the structural integrity and stability are further strengthened.

The utility model relates to a high-strength light-weight vehicle cellular board which comprises a top layer cellular hole, a bottom layer cellular hole and a middle cellular hole, the top layer cellular hole, the bottom layer cellular hole and the middle cellular hole form a cellular hole unit, and peripheral holes incline towards a central hole at the same curvature. Through the unique honeycomb hole structure design, stress is effectively dispersed, the strength is improved, meanwhile, the weight is reduced, and the problem that the strength and the light weight of an existing vehicle honeycomb plate are difficult to balance is solved. Honeycomb holes are of a hexagonal structure and are tightly arranged to form a honeycomb shape, material consumption is reduced, and light weight is achieved. Connecting edges are arranged at the tops and the bottoms of the top-layer honeycomb holes and the bottom-layer honeycomb holes and used for being connected with other parts, the connecting edges and the honeycomb holes are connected through reinforcing ribs, and the edge strength is enhanced. Edge sealing structures are arranged on the side faces of the cellular board, internal cellular holes are prevented from being damaged, and connecting holes are formed in the edge sealing structures and used for being fixedly connected with other parts. The cellular board is made of high-strength aluminum alloy.

The invention relates to the technical field of aluminum alloy, in particular to a heat treatment method for preparing a high-strength aluminum alloy strip and the aluminum alloy strip, the aluminum alloy strip comprises an aluminum alloy matrix and a reinforcing agent, and the reinforcing agent comprises lanthanum oxide powder, nickel powder and cobalt powder; the heat treatment method for preparing the high-strength aluminum alloy strip comprises the steps of smelting, ingot casting, tempering, surface milling, hot rolling, cold rolling, intermediate annealing treatment, finish rolling, rough finished product annealing and slitting. The step of annealing the crude finished product comprises the following steps: primary annealing: uniformly heating the crude finished product to 170-190 DEG C, preserving heat for 1.5-2.5 hours, then heating to 200-230 DEG C, preserving heat for 1.4-2.5 hours, then heating to 240-270 DEG C, preserving heat for 7-11 hours, and cooling along with a furnace; secondary annealing: heating the annealed crude finished product to 350-450 DEG C, preserving heat for 4-6 hours, and cooling along with the furnace; the method has the advantage of simultaneously improving the strength and toughness of the aluminum alloy.

The utility model relates to the technical field of aluminum alloy sections, in particular to a high-strength aluminum alloy section for a combined energy-saving curtain wall, which comprises a stand column, a plurality of rib columns distributed at equal intervals are arranged on the inner side of the stand column, and ribs are arranged on the periphery of each rib column. The cross beams are located on the front side and the rear side of the stand column, fixing cylinders are arranged on the inner sides of the cross beams, and reinforcing fins are fixedly connected between the peripheries of the outer surfaces of the fixing cylinders and the inner walls of the cross beams. Under the action of the rib columns, the ribs and the honeycomb fiber braid layer, the aluminum alloy profile has the advantages of high strength and large bearing load, and the problem that the aluminum alloy profile for the combined energy-saving curtain wall possibly has insufficient strength in certain specific application scenes is solved; in particular, in a large-span, high-wind-pressure or complex-modeling curtain wall system, most traditional aluminum alloy sections are designed into single cavities, and deformation is prone to occurring when large loads are borne.

The utility model relates to the technical field of movable skylights, in particular to an electric sliding skylight which comprises an upper cover plate, a structural frame is movably connected to the lower portion of the upper cover plate, a connecting groove is formed in the surface of the structural frame, a supporting frame is movably connected to the lower end of the structural frame, and a linear module is movably connected to one side of the supporting frame. The other side of the supporting frame is movably connected with a driven sliding rail, the surface of the linear module is movably connected with an electric sliding block, the surface of the linear module is movably connected with a stepping motor, and the surface of the driven sliding rail is movably connected with a driven sliding block. The upper cover plate is arranged at the top of the carriage, flying equipment can take off and land conveniently, one-key opening and closing are achieved through the linear module and the stepping motor, after the upper cover plate is opened, the size of a through opening is enough for the flying equipment to go in and out, and the driven sliding rail and the linear module are made of small-size and high-precision open type lead screw modules and high-strength aluminum alloy rails. Friction resistance is reduced, and stable sliding is ensured.

The utility model relates to the technical field of toys, and disclose a kind of high-strength aluminum alloy framework for robot cat, including body and base, the bottom of body is fixedly connected with base, the top of body is fixedly connected with skull, the inside of skull is hollowed out and is arranged, the both sides of body are provided with arm rest, the inside of body is provided with driving part, the driving part includes the connecting shaft of setting in the inner wall of body, connecting component, setting in the one side of arm rest, the connecting component includes the connecting seat fixed in the one end of arm rest, the inner wall of connecting seat is equipped with two locating holes, two the locating holes are symmetrically arranged;The utility model is made of high-strength aluminum alloy robot cat framework, with the advantages of small density and high strength, improves the support strength of framework and reduces the structure weight, and through setting connecting component, arm rest can be conveniently disassembled and replaced, convenient operation.

The invention discloses a numerical simulation method and system for continuous laser irradiation of 7075 aluminum alloy under the action of an external load based on a modified Johnson-cook model. According to the scheme, on the basis of the heat conduction principle and an elastic-plastic model, a heat-force coupling model of the continuous laser irradiation 7075 aluminum alloy is established through a finite element method; through continuous laser irradiation and tensile experiments, the effectiveness of the numerical simulation model of the continuous laser irradiation spaceflight-grade high-strength 7075 aluminum alloy under the action of the external load is verified; the laser energy density, the light spot pattern and the external load are imported into the model by adding vdflux and vuamp programs written by a Fortran language, and a correction factor function is added for regulation and calculation. According to the method, a correction factor function is adjusted in a Fortran program along with working conditions to ensure that stress field distribution, temperature field distribution and plate deformation conditions of the high-strength aluminum alloy under the combined action of laser and an external load are flexibly and accurately simulated.

This utility model relates to the field of wheel rim technology, specifically a lightweight, high-strength integrated wheel rim for motorcycles. It includes a one-piece molded rim, several Y-shaped spokes arranged in a circular array, and a hub mounting base. Several spoke connecting portions are evenly distributed along the circumferential direction on the inner side of the rim. The advantages of this utility model are: the hub mounting base is made of high-strength aluminum alloy, and the second stiffening plates within the annular grooves at both ends are integrally molded with the hub mounting base, reducing the weight of the hub while increasing structural strength. The combination of a magnesium alloy rim, carbon fiber reinforced composite Y-shaped spokes, and a high-strength aluminum alloy hub mounting base, through the rational combination of different lightweight, high-strength materials, achieves overall weight reduction while avoiding a decrease in strength; the weight-reducing grooves and strip grooves reduce material usage, while the first and second stiffening plates respectively reinforce the spokes and hub mounting base, effectively solving the problem of simultaneously achieving lightweight and high strength in existing wheel rims.

This utility model discloses a high-strength aluminum alloy inner disc connection structure, which includes a brake disc body. A first connecting ring is disposed on the inner side of the brake disc body, and a second connecting ring is disposed on the inner side of the first connecting ring. A locking post is disposed between the first and second connecting rings. A first connecting block and a second connecting block are symmetrically disposed on both sides of the locking post. Through this structure, the first and second connecting rings are connected between the brake disc bodies via the first and second connecting blocks. The first and second connecting blocks are connected and locked by the locking post, a limiting cap, a first thread, and a second thread, facilitating quick and easy fastening of the aluminum alloy inner disc.

The invention belongs to the technical field of metal materials, and particularly relates to a high-strength aluminum alloy decorative plate and a preparation method thereof. The preparation method of the aluminum alloy decorative plate comprises the following steps that an aluminum alloy base plate is immersed in a mixed acid electrolyte to be subjected to anodic oxidation treatment, and an anodic oxidation aluminum alloy plate is obtained; the anodized aluminum alloy plate is soaked in the hole sealing liquid, and the aluminum alloy decorative plate is obtained after drying; the mixed acid electrolyte is composed of lanthanum carbide, sulfuric acid, oxalic acid, dodecylbenzene sulfonic acid and water. The aluminum alloy decorative plate prepared by the invention has excellent mechanical properties, wear resistance and corrosion resistance.

The invention relates to the field of preparation of aluminum alloy materials, and discloses a Mo-containing ultrahigh-strength aluminum alloy wire and a preparation method and application thereof. By optimizing the alloy ratio and the preparation process, the Mo-containing ultrahigh-strength aluminum alloy wire is prepared, and the Mo-containing ultrahigh-strength aluminum alloy wire has the following performance characteristics that (1) the tensile strength is larger than or equal to 440 MPa, and the yield strength is larger than or equal to 400 MPa; the aluminum alloy wire is mainly used for manufacturing ultrahigh-strength 7-series material welding structural parts, has good corrosion resistance and excellent welding performance and machining performance, and can effectively solve the problem that in the prior art, the welding performance, yield strength and corrosion resistance of aluminum alloy cannot be considered at the same time.

The application discloses a modular permanent magnet motor and an assembling device thereof, and relates to the technical field of permanent magnet motors.The application comprises a base, a first rotating shaft is fixedly connected to the base, a driven disc is fixedly connected to the top and middle part of the first rotating shaft, a driving disc is rotatably connected to one side of the driven disc, and the driving disc acts on the driven disc; a conveying disc is fixedly connected to the top of the first rotating shaft, a plurality of discharging grooves are formed in the top of the conveying disc, and first baffles are fixedly connected to the inner walls of the discharging grooves.The silumin sheet punched and formed is first uniformly stored in the bin by the bin, so that the silumin sheet is convenient to carry or store, and the cooperation of the rotating part, the conveying disc, the driving disc and other structures can automatically take and discharge the silumin sheet one by one at a time, and then the silumin sheet is conveniently carried by the mechanical arm by intermittent conveying.

The invention relates to the related technical field of integrated power line fault monitoring, and discloses an on-line monitoring device for integrated power line faults, which comprises a main body shell and a monitoring sensor arranged on the outer side of the main body shell, the main body shell is of a split structure and comprises a shell body and a detachable shell cover, the shell body is formed by integrally die-casting high-strength aluminum alloy, and a bird repelling device is arranged at the upper end of the shell cover; and the anti-seismic connecting piece is arranged behind the shell, and telescopic overturning assemblies are arranged on the left side and the right side of the shell correspondingly. The on-line monitoring device for the integrated electric line fault is convenient to mount and dismount, facilitates later maintenance and repair of each module in the shell, is good in heat dissipation effect, can achieve an anti-seismic effect in the use process through the arrangement of the anti-seismic connecting piece, resists the adverse effect caused by wind power, and improves the safety of the whole device. And the position and the angle of the monitoring sensor can be correspondingly adjusted according to the specific condition of the power transmission line.

A portable tool holder for machining diesel engine bases includes a folding frame, modular tool slots, a dust protection system, and a mobile transport system. The main frame is made of high-strength aluminum alloy and features a multi-layer tray structure when unfolded via retractable support columns and a folding base, reducing its volume to one-third when folded. The modular tool slots are equipped with elastic silicone pads to accommodate tools of different diameters and include specification labels. A transparent dust cover is mounted on the top, and ventilation holes are provided on both sides. The base integrates casters and a telescopic rod for easy movement. This invention solves the problems of poor portability, insufficient safety, and low space utilization in traditional tool storage methods. It offers advantages such as categorized storage, rapid retrieval, safety protection, and flexible movement, making it particularly suitable for tool management in the machining of large workpieces. Practical application verification shows that it can improve tool retrieval efficiency by 40%, reduce tool damage rate by 60%, and significantly improve work efficiency on the machining site.

The present application belongs to the technical field of metal material processing, and relates to a densification process for spray forming high-strength aluminum alloy. After large deformation densification treatment of the spray forming ingot, subsequent solid solution treatment and aging treatment are carried out. The hot and force coupling is used to close the pores through plastic deformation and diffusion. The semi-finished product with excellent structure and density is obtained through large extrusion ratio or large deformation forging, the advantages of rapid solidification of spray forming are retained, the material is further strengthened and toughened through thermal mechanical treatment, the cost is reduced, the grain is refined, the comprehensive mechanical properties are improved, the internal loose defects of the high-strength aluminum alloy ingot prepared by spray forming are reduced, and finally the aluminum alloy material with tensile strength > 800 MPa and density > 99% is obtained. The applicable alloy composition is as follows: Cu 1.4-1.8%, Mg 2.2-2.6%, Zn 10.0-12.0%, Mn 0.02-0.05%, Zr 0.10-0.20%, Ti 0.02-0.05%, impurity element Si <= 0.10%, Fe <= 0.12%, other impurities <= 0.05% in total, <= 0.15% in total, and the balance is Al.

The utility model discloses a high-strength aluminum alloy radiator which comprises a fin plate seat, a plurality of fin strip grooves are formed in the surface of the fin plate seat, a threaded anchoring hole is formed in the surface of one of the fin strip grooves, A through holes are formed in the surfaces of the remaining fin strip grooves, the interior of the threaded anchoring hole is in threaded connection with a fin strip fixing mechanism, and the fin strip fixing mechanism is in threaded connection with the fin strip fixing mechanism. And fins are inserted into the fin strip grooves. According to the high-strength aluminum alloy radiator, through comprehensive arrangement of the transverse reinforcing ribs, the vertical reinforcing ribs and the fastening assemblies, the vertical reinforcing ribs and the transverse reinforcing ribs distributed in the fins are crisscrossed, the interior of each fin is integrally structurally reinforced, meanwhile, fastening insertion strips of the fastening assemblies are synchronously inserted into the multiple fins and the transverse reinforcing ribs, and therefore the whole structure of the fins is enhanced. And the fins are reinforced inside and outside and are tightly connected, so that the aluminum alloy radiator is reinforced from the inside and the outside of the structure, and the overall strength of the aluminum alloy radiator is greatly improved.

The application belongs to the field of medical protection equipment, and discloses a comprehensive ray protection device and a mechanical comprehensive performance simulation analysis method thereof. The comprehensive ray protection device comprises a radiation-proof acrylic plate, a support frame, a radiation-proof door, a radiation-proof curtain, a radiation-proof sleeve, radiation-proof rubber and a lead plate. The support frame is composed of high-strength aluminum alloy profiles of edges of the protection device, profiles fixed on the top plane of the protection device and profiles in the middle of the protection device. The profiles in the middle are matched with the radiation-proof acrylic plate fixing strips to fix the radiation-proof acrylic plate. The profiles fixed on the top plane of the protection device are used to improve the stability of the support frame. The upper surface of the profiles in the middle is fixed with the lower surface of the radiation-proof acrylic plate fixing strips. A groove is formed on the upper surface of the radiation-proof acrylic plate fixing strips to put the radiation-proof rubber and the radiation-proof acrylic plate. The application is optimized or specified in stress simulation analysis, so that continuous and real stress distribution and deformation conditions are obtained in the simulation loading process, and the convergence is improved.

The application relates to the technical field of die casting, in particular to an automobile high-strength aluminum alloy extrusion and die casting integrated machine. The automobile high-strength aluminum alloy extrusion and die casting integrated machine comprises a machine base, a fixed die plate fixedly installed on the machine base, a movable die plate slidably installed on the machine base, a hydraulic mechanism arranged on one side of the machine base, a die casting system arranged on one side of the fixed die plate and an extrusion system arranged at the bottom of the fixed die plate, the die casting system comprises a pouring gate formed in the outer wall of the fixed die plate, a material conveying channel formed in the inner part of the fixed die plate and communicated with the pouring gate, a second material feeding cylinder provided with a through slot and arranged on the fixed die plate and a pressing punch slidably installed in the second material feeding cylinder, and an adjusting part for adjusting the size of the section of the pouring gate is further arranged at the pouring gate. The die casting system and the extrusion system are integrated on the same machine base, and the precise automatic control of oil path switching is realized by using the control valve in the hydraulic mechanism.