28results about How to "Achieve structural stability" patented technology

The invention discloses a high-stability detachable inflatable antenna base supporting structure which comprises a fixed base, a movable square box, a supporting rod and a lateral thrust structure. The fixed base is arranged on the ground, a movable square box is installed at the top of the fixed base, a supporting rod is horizontally installed on the movable square box, and the lateral thrust structure is fixed to the supporting rod and used for laterally supporting an antenna body. According to the invention, by introducing a plurality of lateral thrust structures, the lateral force resistance and stability of the supporting structure are obviously enhanced; particularly, the performance is excellent in a strong wind or vibration environment, and the shaking risk is reduced.

This invention discloses a long-life pavement material for extreme and complex conditions and its preparation method. Modified asphalt pavement material is prepared using ultra-deeply decrosslinked rubber as the main raw material (with a content greater than 50%). Through specific processes and formulations, this pavement material retains excellent self-healing properties even under extreme low-temperature conditions (< -10 °C), with a healing efficiency greater than 50%, and a healing efficiency greater than 30% after aging, resulting in a long service life. This invention not only solves the problem of easy cracking in asphalt pavements and significantly improves their service life, but also enables the high-value resource utilization of waste rubber, resulting in significant environmental and economic benefits.

The utility model provides a kind of battery pack test tool and device, tool includes base, support block, connecting block;The base includes two base plates of horizontal interval arrangement, two base plates are symmetrically provided with multiple rows of first screw holes;The support block is equipped with second screw hole, third screw hole is equipped on the connecting block, support block is symmetrically arranged at the top of two base plates, connecting block is placed at the top of support block, three are fixed by bolt and first screw hole, second screw hole, third screw hole cooperation, form two symmetrical assemblies.The utility model adopts base, support block, connecting block detachable assembly mode, different support block can be replaced according to test object different, i.

The utility model relates to semiconductor ion implantation equipment technical field, and disclose a kind of multi-functional high-efficiency boron fluoride ion implantation chamber, including support connecting mechanism, sealing assembly, support connecting mechanism contains chamber main body, internal injection component, multifunctional component assembly interface, upper sealing ring assembly groove, side sealing ring assembly groove, top connecting hole, top auxiliary sealing ring assembly groove, side fixed base, assembly interface sealing ring assembly groove, through slot, toughened glass sheet.The utility model is through the curved surface gradual change flow guide structure of internal injection component, boron fluoride ion distribution in chamber is accurately controlled, ion distribution uniformity is significantly improved, guarantee semiconductor material doping consistency, effectively improve device manufacturing yield, adapt high-precision semiconductor process demand.

The invention provides a high-integration anti-interference permanent magnet synchronous linear motor, and relates to the technical field of linear motors, the high-integration anti-interference permanent magnet synchronous linear motor comprises a sliding rail, and a stator is arranged at the top in the sliding rail; according to the high-integration anti-interference permanent magnet synchronous linear motor, the iron core in the rotor is of a structure formed by splicing a plurality of iron core single bodies, winding is conducted on the iron core single bodies firstly, then splicing is conducted, winding and slot fullness rate are facilitated, and the high-integration anti-interference permanent magnet synchronous linear motor is convenient to assemble and disassemble. The iron core single bodies are spliced in a tenon and mortise matching mode, connection is convenient and firm, more importantly, the T-shaped grooves play a role in connecting the shell and the iron core single bodies, at least two intervals guarantee the connection stability, and in every two adjacent T-shaped grooves, the space between the shell and the iron core single bodies is larger than the space between the shell and the iron core single bodies. And the T-shaped strip is arranged in at most one T-shaped groove, so that the overall gravity center of the iron core is prevented from excessively deviating, and the structural stability is favorably improved.

The invention discloses a high-toughness flame-retardant cable protection tube and a preparation method thereof, and the preparation method comprises the following steps: S1, carrying out melt blending and dynamic vulcanization reaction on a mixture containing bimodal distribution high-density polyethylene, a polyolefin elastomer with a double long branch chain structure and a dynamic cross-linking agent at a first temperature interval and first shear strength, a pre-crosslinked base material is obtained; s2, cooling the pre-crosslinked base material to an interface anchoring temperature interval, adding the composite fiber system, and carrying out first-stage melt blending under medium shear strength; s3, heating the mixture obtained in the step S2 to a second temperature interval, increasing the temperature to second shear strength, carrying out second-stage high-shear melt blending, and adding a halogen-free intumescent flame-retardant system and a multi-walled carbon nanotube at the same time; and S4, orientation locking and gradient forming. The polyolefin elastomer with a double-long-branch-chain structure is introduced, and a step-by-step process is adopted, so that the low-temperature impact strength, the toughness and the flame-retardant grade of the material can be remarkably improved.

The application relates to the technical field of composite materials, and discloses a preparation method of a multilayer composite core body, which comprises the following steps: pretreatment, spraying treatment, core composite material preparation, compounding and curing forming; the surface of a fiber base layer is chemically modified through functional pretreatment, the wettability and reactivity of the fiber surface are improved, the different fiber layers with different functional characteristics can be more closely and stably combined, and therefore the integrity, reliability and durability of the multilayer composite core body structure are enhanced; through spraying treatment, functional particles are uniformly loaded on the surface of the fiber base layer in the form of a stable dispersion liquid; the functional particles have good compatibility and bonding force with the fiber base and the interlayer composite material after being treated and surface-modified in a specific manner, the core body is endowed with specific surface functions, the interface bonding between the fiber and the base is enhanced, and the functionality, uniformity and structural strength of the core body are improved.

The application relates to the technical field of energy storage liquid flow batteries, in particular to a liquid flow battery with a solid-phase energy storage mechanism. The negative electrode system of the liquid flow battery comprises a solid-phase energy storage material and a negative electrode electrolyte. The energy storage active substance of the solid-phase energy storage material is selected from at least one of lead single substance and a lead-containing precursor compound capable of providing an active lead source through in-situ conversion in the negative electrode electrolyte; the negative electrode electrolyte comprises vanadium ions as a redox couple, chromium ions, and a supporting electrolyte solution composed of hydrogen ions and mixed anions, wherein the mixed anions are an ion combination of chloride ions and sulfate ions and / or bisulfate ions. The application designs a negative electrode solid-phase energy storage conversion process jointly participated by chromium ions (Cr 2+ ) and vanadium ions (V 3+ ), widens the potential window of the negative electrode side redox reaction, improves the energy density of the battery system, and first constructs a solid-phase energy storage mechanism based on a negative electrode.

The invention provides a rotor assembly and a motor. The rotor assembly comprises a rotor iron core, the rotor iron core comprises an inner rotor iron core and an outer rotor iron core, and the outer rotor iron core is annular and sleeves and is connected to the periphery of the inner rotor iron core; the outer circumferential wall of the inner rotor core is provided with a recess in the radial direction, the inner wall of the recess and the inner wall of the outer rotor core define a magnetic steel groove, and magnetic steel is arranged in the magnetic steel groove. The outer rotor iron core is connected to the inner rotor iron core, a stable magnetic steel groove structure is defined, the magnetic steel can be locked without filling injection molding materials, and the structural stability of high-speed operation is achieved.

The utility model discloses a fool-proof SN socket, which comprises a base, the front surface of the base is provided with a mounting groove, two sides of the interior of the mounting groove are provided with pins, the other side of each pin penetrates through the base and extends to the outer side of the base, the upper side of the interior of the mounting groove is provided with a fool-proof groove, the top of the back surface of the base is provided with a clamping position, and the back surface of the base is provided with buckles at two sides of each pin. According to the utility model, the structure is simple, through the three-stage step type fool-proof and protection type design structure and the tail plug board clamping type design, the fixation of the socket is enhanced when the upper board is assembled, the socket can be effectively prevented from being plugged reversely, the problem that a traditional socket is not provided with a positioning structure when being installed is solved, and the fool-proof structure has the beneficial effects of fool-proof performance, stable structure and the like.

The invention discloses a ternary positive electrode material, a preparation method thereof and a lithium ion battery. The general formula of the ternary positive electrode material is LiNixCoyMnzM1-x-y-zO2, x is larger than or equal to 0.6 and smaller than 1, y is larger than 0 and smaller than or equal to 0.2, z is larger than 0 and smaller than or equal to 0.2, M is a doping element, and M is selected from one or more of Nb, W, Ta, Ti, Hf, Mo, La, Ce and Zr; the ternary positive electrode material is tested through an X-ray energy disperse spectroscopy (EDS), the molar percentage content of M tested under the energy of 10 keV is recorded as P1, the molar percentage content of M tested under the energy of 20 keV is recorded as P2, and the ternary positive electrode material meets the condition that P2 / P1 is larger than 0.2 and smaller than 0.9. According to the method, deep transition metal ion doping of the surface layer of the ternary material is achieved, in the circulation process, the deep doped ions play a stronger rivet role in the structure, and long-term circulation structural stability can be achieved.

The utility model relates to a kind of electric appliance box for electronic component installation convenient to apply to electric equipment field, including equipment component, the inner end of equipment component is fixedly connected with electronic component assembly, and electronic component assembly is provided with easy-to-install component, auxiliary transport component is provided in equipment component, and equipment component includes electric appliance box body, the front end of electric appliance box body is hinged and connected with sealing front plate, and the left and right ends of sealing front plate are symmetrically fixedly connected with heat dissipation side plate, and electronic component assembly includes main installation inner plate fixedly connected in the rear inner wall of electric appliance box body, in the above-mentioned electric appliance box for electronic component installation convenient, the installation and fixed process of scheme electronic component is convenient and efficient, relies on multilayer installation carrier and can adapt to the installation demand of different specifications electronic component, and the quick installation structure of core is realized by the cooperation of each component Linkage electronic component quick installation, first preliminary fixation is ensured to install position accurate, and then through secondary fixation guarantee installation stability.

The invention discloses a current sensor for a train traction system and a signal processing circuit of the current sensor, and belongs to the field of current measurement, the current sensor comprises an outer shell and a cover plate, a through hole is reserved in the center of the outer shell, a rectangular-ambulatory-plane containing space is formed around the periphery of the through hole, and the cover plate is assembled on the containing space; a magnetic conduction unit and a circuit board are sequentially assembled in the containing space from top to bottom in the vertical direction, and two Hall elements are assembled on the circuit board. The two Hall elements are symmetrically arranged with the center of the through hole as the axis and are connected in parallel. According to the current sensor for the train traction system and the signal processing circuit of the current sensor provided by the invention, the measurement error caused by threading position deviation is effectively eliminated through the symmetrical parallel design of the double Hall elements and the bonding fixation and secondary mechanical fixing structure of the magnetic conduction unit and the circuit board; the stability of magnetic field induction and the signal acquisition precision are improved.

The utility model discloses a rapid metal shearing machine, which relates to the technical field of metal processing and is technically characterized by comprising a rack, a plurality of conveying rollers are rotatably arranged on the rack, the tops of the conveying rollers are positioned on the same horizontal plane, and a plurality of driving parts for driving the conveying rollers to rotate are arranged on the rack. A clamping and positioning assembly is arranged at the tail end, in the metal plate advancing direction, of the rack, a fixing frame is arranged above the clamping and positioning assembly, a metal cutting assembly is arranged on a top beam of the fixing frame, and a measuring assembly is arranged on one side of the fixing frame. The measuring assembly comprises a horizontal and straight telescopic piece, the extending direction of a movable part of the telescopic piece is the same as the advancing direction of the metal plate, a baffle is arranged on the movable part of the telescopic piece, a contact switch is arranged on the baffle in the direction facing the fixing frame, and a stroke control device used for controlling the stroke of the telescopic piece is arranged on the rack. The shearing device can quickly adjust the shearing amount and improve the precision of the shearing amount.

The application belongs to the technical field of lighting lamps, and particularly relates to a three-dimensional full-space wireless sliding table lamp with anti-dazzle and eye protection, which comprises a supporting frame, a lifting mechanism, a horizontal adjusting mechanism, a wireless sliding connecting assembly, a balance structure and a bidirectional light-emitting anti-dazzle assembly. A placing seat is fixedly connected to the bottom of the supporting frame, and a first sliding groove is formed in the vertical direction in the middle of the supporting frame. The lifting mechanism comprises an adjusting plate arranged at the end of a fixed cylinder, and a positioning rail is fixedly connected to the outer wall of the adjusting plate. The adjusting plate is clamped on the inner wall of the first sliding groove through the positioning rail. The LED upper lamp plate with a front inclination angle is arranged to effectively supplement the background light of the working environment. The bidirectional light-emitting mode significantly reduces the brightness ratio between the center of the working area and the surrounding environment, reduces the light-dark contrast, relieves the visual fatigue caused by frequent pupil adjustment of the human eye, and prevents myopia from the optical and physical aspects.

The invention relates to the technical field of cosmetics and functional biological materials, in particular to a fish collagen peptide with moisturizing and anti-aging functions and a preparation method thereof, and the fish collagen peptide comprises modified fish collagen peptide, 2-hydroxyethyl formate, glycerol, butanediol, potassium sorbate and triethanolamine. According to the modified fish collagen peptide, fish collagen peptide, gallic acid and acetaldehyde are subjected to polyphenol-aldehyde condensation to form a stable outer shell layer, so that the oxidation resistance and the structural stability are remarkably enhanced; after being cooperated with small-molecule 2-hydroxyethyl formate which is not used in the field, a compact hydrated network can be constructed, the moisture retention rate and the free radical scavenging rate are improved, and low viscosity fluctuation and no layering are kept under the acceleration condition. The preparation method is mild in preparation process and suitable for moisturizing and repairing cosmetics.

The invention discloses an amorphous iron-based silicon-phosphorus composite negative electrode material and a preparation method and application thereof, the raw materials of the iron-based silicon-phosphorus composite negative electrode material comprise an iron element, a silicon element, a phosphorus element and a carbon material, the molar ratio of the silicon element to the phosphorus element is 2: 1-1: 2, the molar ratio of the silicon element to the iron element is 8: 1-1: 2, and the mass ratio of an iron / silicon / phosphorus mixture to the carbon material is 5: 5-8: 2; the iron-based silicon phosphorus composite negative electrode material is prepared by a one-step or multi-step mechanical ball milling method. In the iron-based silicon phosphorus composite negative electrode material, the introduction of the iron elementary substance induces the microstructure to be disordered and reduces the lithium ion diffusion energy barrier, and meanwhile, the iron elementary substance and the lithium phosphide formed in situ respectively provide abundant electron and ion transmission paths and cooperatively buffer the huge volume deformation of the silicon negative electrode in the lithiation / delithiation process; furthermore, the electrochemical reversibility, the cycling stability and the rate capability of the material in the lithium storage process are effectively improved.

The application relates to the technical field of zinc oxide materials, and discloses zinc-based isomeric zinc oxide as well as a preparation method and application thereof. The zinc-based isomeric zinc oxide is used for ship antifouling paint, and the zinc-based isomeric zinc oxide comprises a crystal nucleus layer, the chemical general formula of the crystal nucleus layer is: [(ZnO) x (Si a , Mg b , Zn c , Ni d )Al2O 4z ] y , x=0.5-1.2, a=0.1-0.3, b=0.05-0.15, c=0.2-0.4, d=0.02-0.08, z=0.8-1.2, and y=0.9-1.1. The zinc-based isomeric zinc oxide contains zinc oxide phases and zinc-based spinel solid solution phases, the two phases form low-energy coherent interfaces through interface reconstruction, the release rate of zinc ions can be controlled, marine toxicity caused by explosive release can be avoided, marine organism adhesion can be reduced, the powdering degree of the antifouling paint coating can be reduced, and the corrosion current density can be reduced, and therefore the zinc-based isomeric zinc oxide is suitable for environmentally-friendly ship antifouling paint.

The utility model discloses a rear shell adaptive device convenient for assembling a wall clock shell, which relates to the technical field of rear shell adaptive devices, and comprises a shell, an observation opening is formed in the upper end of the shell, an acrylic plate is mounted in the observation opening through glue, a clamping groove is formed in the lower end of the shell, a bottom plate is mounted at the lower end of the shell, and a telescopic adjusting mechanism is mounted on the bottom plate. A clamping mechanism is assembled on the telescopic adjusting mechanism; according to the utility model, through mutual cooperation of the second telescopic spring and the push plate, the device is suitable for housing clamping grooves with different sizes, the versatility of the device is improved, the function of reducing a large amount of manpower and time cost is realized, through mutual cooperation of the clamping block and the first telescopic spring, the stability of the clamped wall clock is facilitated, and the practicability of the device is improved. Therefore, the accuracy of component assembly is improved, the overall structural stability and attractiveness of the wall clock are realized, and finally the problems of tedious operation steps and inaccurate component assembly are solved.

The utility model discloses a photovoltaic support which comprises a bearing assembly, a supporting assembly and a photovoltaic assembly. The bearing assemblies are arranged on the sash beams, and at least two sets of bearing assemblies are arranged on the sash beams in the slope direction. The supporting assembly comprises an oblique beam and a purline, the oblique beam is connected with the bearing assembly in the slope direction, and the purline is vertically arranged on the oblique beam; the photovoltaic module is installed on the purline. The load-bearing assembly is installed on the sash beam, then the supporting assembly is connected with the load-bearing assembly, and the photovoltaic assembly is installed on the supporting assembly. The frame beam can be directly used as a photovoltaic support foundation, construction is simple, the problem that a traditional photovoltaic support is difficult to construct in the frame beam is solved, and meanwhile foundation manufacturing and construction cost of the photovoltaic support is saved.

According to the IPM lead frame and the packaging module, each frame unit comprises a first base island area and a second base island area which are spaced, a plurality of base islands are sequentially arranged in the first base island area and the second base island area in the length direction of the frame unit at intervals, a plurality of pins are sequentially arranged on the two sides of the frame unit in the length direction at intervals, and the number of the pins on the two sides is different; in the first base island area, a plurality of base islands are connected through first connecting ribs, and the rest of the base islands are respectively connected with a pin positioned on one side of the frame unit; in the second base island area, a plurality of base islands are connected through second connecting ribs, and the rest of the base islands are respectively connected with a pin positioned on the other side of the frame unit; the packaging module comprises an injection molding body and an IPM lead frame packaged in the injection molding body, and a chip is bonded on the IPM lead frame. According to the utility model, the structural stability and the electrical isolation effect of the layout in a compact space are realized, and the asymmetric pin layout arrangement is adopted, so that the integrated packaging of the power module is facilitated, and the power module can adapt to two packaging appearances of SOP23 and DIP23.

The utility model relates to the technical field of thermal -insulation wall, disclose a kind of novel energy-saving thermal -insulation wall structure, including two single block wall, the right end of single block wall is equipped with chuck one, the left end of single block wall is equipped with chuck two, the left and right sides of single block wall are equipped with multiple reinforcing holes, the inside of reinforcing hole is detachably connected with reinforcing block, the inside of single block wall is provided with base wall, the bottom of base wall is fixedly connected with mortar screed, the bottom of base wall is fixedly connected with adhesive layer.In the utility model, by the thermal -insulation wall is designed as prefabricated module, cooperate mortise and tenon structure and install quickly, both ensure convenient installation, and can be through elastic node absorption temperature deformation and seismic load, in addition, through wall structure through each layer material and function, realize the environmental protection of wall in solid waste utilization and no harmful emission, the thermal -insulation of low thermal conductivity coefficient continuous covering.

The utility model relates to card storage structure technical field, especially in a kind of card box of bottom push control, including shell, it is single-face opening square structure setting;Button, it is set in the symmetry end of the open end surface of shell, and the button makes vertical direction movement;Push structure, with the button linkage setting, and the push structure is built-in in the shell;When the button moves towards the open end surface of shell, the push structure moves towards the open end surface of shell and makes lifting movement, and card in the shell is ejected from the open end surface of shell.The utility model solves the problem that the existing business card box with corresponding side push structure is set, and the push structure is set in the side of business card box, which is prone to accidental touch during storage or handheld, causing the business card to be ejected or even dropped, and making the business card box inconvenient to use.

The invention relates to the technical field of oilfield chemical additives, and discloses a high-temperature slow-release oilfield acidifier and a preparation method thereof. The acidifying agent comprises the following components in parts by weight: 10-20 parts of modified polyaryletherketone, 20-35 parts of an organic coated acid source, 2-8 parts of a high-temperature stable cross-linking agent, 1-5 parts of a nonionic surfactant, 5-10 parts of a solubilizer and 30-60 parts of a water phase system. The modified polyaryletherketone is sulfonated, grafted with polyether amine and cross-linked with triethoxy borate to form a microporous network shell layer, so that core-shell coating of an acid source is realized. The preparation method sequentially comprises three steps of sulfonating polyaryletherketone, grafting polyether amine and crosslinking boric acid ester, and then emulsifying an acid source, a surfactant, a solubilizer and a water phase. The acidifying agent can be continuously controlled within 180-250 min in an environment of 150 DEG C or above, has the advantages of being large in penetration depth, low in metal corrosion rate and good in dispersion stability, and is suitable for acidification yield increase operation of deep high-temperature carbonate reservoirs.

The embodiment of the utility model provides a scaphoid bone prosthesis. The scaphoid bone prosthesis comprises a scaphoid bone prosthesis body and a limiting column. The scaphoid bone prosthesis body is provided with a first matching plane, and the first matching plane can be attached to an osteotomy surface of a scaphoid bone; the limiting column extends in the first direction, one end of the limiting column is connected to the first matching plane, the limiting column is used for being connected with the matching hole in an inserted mode, and the central axis of the limiting column can be collinear with the central axis of the distal electrode of the scaphoid bone. Therefore, the scaphoid bone prosthesis provided by the embodiment of the utility model has the advantage of improving the stability of the postoperative structure.

A detector is used for testing terminal performance of a board-to-board connector and comprises a floating connection mechanism and a plug assembly fixed below the floating connection mechanism. The floating connecting mechanism comprises a flange, a fixing block, a positioning column and a spiral spring. And the positioning column is connected to the central position of the flange. The positioning column is sleeved with the spiral spring, and the two opposite ends of the spiral spring abut against the flange and the fixing block in an elastic mode respectively. One of the top and the bottom of the positioning column is movably connected with the flange, and the other one of the top and the bottom of the positioning column is fixedly connected with the fixed block, so that the fixed block is connected below the flange in a floating manner. The plug assembly comprises a wire pressing block, a common block and a pin module. The wire pressing block is located on one side of the shared block, and the needle module is located on the other side of the shared block. The line pressing block, the common block and the needle module are of a stacked three-layer structure. The plug assembly of the detector is easy to assemble, stable in structure and stable in contact.

The utility model discloses a continuous rigid frame midspan closure section framework structure which comprises anchoring assemblies which are arranged in pairs, the deviating ends of the two anchoring assemblies in the same pair are embedded in two cast-in-place beams arranged at intervals respectively, and the opposite ends of the two anchoring assemblies in the same pair extend to form cast beams; the connecting assembly is arranged between the two anchoring assemblies in the same pair; the butt joint assembly is mounted on the anchoring assembly or the connecting assembly; the fixing piece is used for fixedly connecting the end part of the connecting assembly with the part, extending out of the pouring beam, of the corresponding anchoring assembly. During installation, gravity energy of the connecting assembly can be transmitted to the corresponding anchoring assembly through the butt-joint assembly, so that supporting of the connecting assembly is achieved, a supporting frame does not need to be additionally arranged to support the connecting assembly, construction is simplified, and construction efficiency is improved.

The invention relates to a driving motor left support and a suspension system, and belongs to the technical field of electric automobile suspension systems, the driving motor left support comprises a mounting plate, the mounting plate comprises a top plate and a side plate, and the top plate and the side plate are mutually connected to form an L-shaped structure; the reinforcing ribs comprise a first longitudinal rib, a second longitudinal rib and a third longitudinal rib which are vertically and fixedly connected to the side plates, and the tops of the first longitudinal rib, the second longitudinal rib and the third longitudinal rib are vertically and fixedly connected with the top plate; the connecting plate is parallel to the side plate, and the first longitudinal bar, the second longitudinal bar and the third longitudinal bar are fixedly connected with the connecting plate. According to the structure technology principle that an L-shaped beam, a T-shaped beam and a U-shaped beam have good mechanical performance and the like, an ingenious structural body design is adopted, especially the design requirement of the U-shaped beam at the connecting position of the driving motor left support and the motor assembly is met, the modal of the driving motor left support is improved to be larger than 700 Hz from 500 Hz, the design requirement is met, and the design cost is reduced. The lightweight design is achieved, and the part cost is reduced.