28results about How to "Adjustable structure" patented technology

This utility model discloses a drying rack for rapidly drying membrane fibers, comprising: a support, a support rod, a drying rod, and hooks. The support rod is located on the support and has a hollow tubular drying rod with ventilation openings. The drying rod is connected to a ventilation device. A hook is located below the ventilation opening, and a baffle is provided between the hook and the ventilation opening. The hook is connected to the drying rod via an elastic element. This utility model, by providing ventilation openings on the drying rod, allows air to blow from top to bottom onto the suspended membrane fibers, accelerating drying and improving drying efficiency. By providing a baffle between the hook and the ventilation opening, ventilation is only activated when membrane fibers are suspended on the hook, preventing wasted air when all ventilation openings are open due to insufficient membrane fiber bundles, thus saving energy.

The application discloses a negative active material, a preparation method of the negative active material, a secondary battery and an electric device, and the negative active material comprises a silicon-based material, a carbon coating layer arranged on the surface of the silicon-based material, and a titanium oxide layer arranged on the surface of the carbon coating layer, and the electron paramagnetic resonance spectrum of the negative active material has a characteristic peak at g=2.002-2.004. The application sets the titanium oxide layer containing oxygen defects on the surface of the carbon-coated silicon-based material, improves the rate performance on the basis of improving the initial coulomb efficiency and the cycle performance, and has a wide application prospect.

This utility model relates to a stator-rotor assembly and a powder-liquid mixing device. A stator-rotor assembly includes at least one stator and at least one rotor, the rotor rotating relative to the stator to shear the material flowing through the assembly. The structure of a single stator includes a first disc with several flow holes along the circumference on its end face for material flow. The structure of a single rotor includes a second disc with several notches along the circumference on its end face for material flow; each notch is hollowed out, thus forming independent blades between adjacent notches. By configuring the stator and rotor, the shearing consistency of the stator-rotor assembly on the material can be improved, thereby increasing the dispersion efficiency; simultaneously, the small overlap area between the stator and rotor reduces the heat generation of the stator-rotor assembly.

This invention discloses a high-mobility spin field-effect transistor (SFET), comprising a source electrode, a drain electrode, a gate electrode, a semiconductor channel, and a substrate. Compared to existing SFETs based on a single semiconductor channel, this semiconductor channel structure offers advantages such as tunable band structure, high mobility, tunable carrier concentration and type, and long spin diffusion length. Compared to traditional substrate-based SFETs, this invention introduces a substrate with piezoelectric properties, allowing for the modulation of carrier spin transport within the semiconductor channel through the surface polarization electric field of the substrate. This effectively reduces the turn-on or turn-off voltage and improves gate control. Compared to existing SFET fabrication processes, this invention optimizes the crystal quality of the spin tunneling layer, increases carrier spin polarization, thereby improving the device's on / off ratio and reducing operating current.

This disclosure provides a coordination-regulated, high-stability aqueous organic flow battery adapted for frequency regulation in thermal power energy storage and its preparation method. The preparation method includes: adding deoxygenated deionized water to organic anode active material and anode coordination regulator, introducing an inert gas, stirring, and adding a pH adjuster to adjust the solution pH, followed by stirring to form an anode electrolyte; adding deoxygenated deionized water to organic cathode active material and cathode coordination regulator, introducing an inert gas, stirring, and adding a supporting electrolyte, followed by stirring to form a cathode electrolyte; immersing an ion exchange membrane in a modification solution and stirring to obtain a modified membrane; immersing the modified membrane in an alkali metal solution to activate ion exchange sites; immersing the electrode in a doping solution for dispersion treatment and drying to obtain a doped electrode; using this doped electrode as the working electrode, a platinum sheet as the counter electrode, and a saturated calomel electrode as the reference electrode, and performing cyclic voltammetric activation in H2SO4 solution.

The invention relates to the technical field of batteries, in particular to a negative electrode material preparation method based on a negative electrode aged hard carbon material, which comprises the following steps: firstly, crushing and grading an aged hard carbon precursor to obtain particles with a preset particle size; the preparation method comprises the following steps: performing pretreatment such as acid washing, alkali washing, water washing and ethanol washing, mixing a purified precursor with a coating material in proportion to form a uniform coating layer, pre-sintering in a protective atmosphere, and preliminarily stabilizing a material structure by controlling parameters such as a heating rate; and carrying out specific surface area detection on the pre-sintered primary product, and dynamically adjusting pre-sintering process parameters according to the specific surface area detection to ensure that the pore structure of the material reaches the standard. And performing high-temperature carbonization treatment on the material meeting the standard so as to repair the carbon layer structure and improve the conductivity. And finally, performing quality judgment by detecting the first coulombic efficiency of a finished product. According to the invention, the first coulombic efficiency, the specific capacity and the cycling stability of the regenerated hard carbon material are improved, and the recycling of the aging material is realized.

The application relates to a sodium titanate nanofiber / reduced graphene oxide composite electrode material and a preparation method and application thereof. The composite electrode material has a two-dimensional sheet structure, the particle size is 1-6 mu m, the thickness is 10-20 nm, is composed of a few-layer reduced graphene oxide and sodium titanate nanofibers with a diameter of 5-10 nm loaded on the reduced graphene oxide, and is prepared by taking the few-layer reduced graphene oxide as a template, uniformly loading titanium dioxide particles, and then carrying out hydrothermal treatment in an alkali solution. Compared with the prior art, the synthesis method is simple in process, easy to scale up, and high in controllability. As a negative electrode of a sodium ion battery or a positive electrode of a sodium battery, the sodium titanate nanofiber / reduced graphene oxide composite electrode material has the advantages of high initial coulomb efficiency, low working voltage, high capacity, excellent rate characteristics and cycle stability, and has a broad market application prospect.

The utility model relates to the technical field of industrial door plate material guiding, in particular to an industrial door plate machining material guiding mechanism which comprises a horizontal main machine frame, an electric control type lifting machine frame is movably assembled on the upper surface of the horizontal main machine frame, and electric control type translation machine frames are arranged on the inner walls of the two sides of the horizontal main machine frame. The industrial door plate machining material guiding mechanism is composed of the electric control type lifting rack capable of being adjusted in a lifting mode and the electric control type translation rack capable of being adjusted in a translation mode, rapid adaptive adjustment can be conducted according to industrial door plates of different specifications, and the material guiding stability of the industrial door plate machining material guiding mechanism is greatly improved; by adopting the middle supporting wheel set and the side limiting wheel set which are arranged in a staggered mode, the horizontal adjusting range of the electric control type translation rack can be greatly widened, and the adaptability of the electric control type translation rack is enhanced; and the height difference between the middle supporting wheel set and the side limiting wheel set can be adjusted according to needs, so that the structure of the whole material guiding mechanism is adjustable, and the material guiding operation modes are more diversified.

The application belongs to the technical field of functional pigments, and particularly relates to a preparation method of high-light-resistance composite pigments. The preparation method of the application is that: after pretreatment and cleaning, hexagonal boron nitride is obtained to be modified boron nitride nanosheet, and then the modified boron nitride nanosheet is compounded with organic pigments to obtain ideal high-light-resistance composite pigments. The modified boron nitride nanosheet used in the application can be better combined with the organic pigments by using the principle of entropy increase, the rich electron boron-nitrogen plane of the hexagonal boron nitride and the aromatic conjugated system of the lithol red molecules produce pi-pi stacking interaction, and then the two are driven to self-assemble to form high-light-resistance composite pigments, and the high-light-resistance composite pigments form a structure that is compact. The high-light-resistance composite pigments obtained by the application still maintain the chemical structure and gloss of the original organic pigments, and have excellent stability and good light resistance, and the problem of poor light resistance of the organic pigments is solved.

The invention relates to the field of artificial fish reefs for trapping sea cucumbers, in particular to an experimental box for testing the trapping effect of artificial design factors on sea cucumbers, which comprises an experimental box main body and experimental units, the experimental box main body is in the shape of a regular hexahedral column, and the experimental box main body comprises angle fixing plates, angle short plates, angle boundary plates, pore plates and equal-angle fixers, the angle fixing plate is in a circular ring shape, a plurality of installation positioning grooves are evenly formed in the angle fixing plate, the six hole plates are arranged, round holes are formed in the hole plates, the equal-angle fixing device is in a circular shape, a plurality of fixing grooves are evenly formed in the equal-angle fixing device, and the angle boundary plate is connected with the edges of the hole plates on the inner sides of the hole plates through the equal-angle fixing device. A plurality of angle boundary plates and angle short plates are arranged, the angle boundary plates and the angle short plates are inserted into the mounting positioning grooves, the outer side of each pore plate is connected with a group of experiment units through angle fixers, the bottom surfaces of the experiment units are flush with the edge of the pore plate, and sea cucumber placement areas are arranged on the angle fixing plates. The experiment box is of a detachable and adjustable structure, the whole box does not need to be detached when factor parameters are replaced, and the experiment efficiency is improved.

The invention discloses goose plasma protein source oligopeptide capable of improving liver lipid metabolism disorder and application of the goose plasma protein source oligopeptide, and relates to the technical field of biology. The goose plasma protein source oligopeptide capable of improving liver lipid metabolism disorder is obtained through screening, and the amino acid sequence is GDWIVK. Animal experiments prove that the goose plasma protein source oligopeptide can effectively reduce the levels of triglyceride, total cholesterol and low-density lipoprotein cholesterol in serum and liver affected by high fat diet, increase the content of high-density lipoprotein cholesterol, reduce liver lipid deposition and improve pathological injury of the liver. Meanwhile, the structure and diversity of intestinal flora can be adjusted, the abundance of beneficial bacteria and the content of short-chain fatty acid in excrement are increased, the reaction of colitis is relieved, and the synergistic adjustment effect is achieved through an intestinal tract-liver axis.

The utility model relates to the field of agricultural machinery, in particular to a leveling device for ridging and seeding, which comprises a rack, the adjusting shaft is movably connected with the rack, and an elastic pre-tightening assembly is arranged on the adjusting shaft; one end of the shaping plate is rotationally connected with the rack, the other end of the shaping plate is rotationally connected with the elastic pre-tightening assembly, the shaping plate is provided with an inclined shaping face facing the advancing direction of the rack, and the included angle between the inclined shaping face and the horizontal plane ranges from 5 degrees to 30 degrees. The leveling device for ridging and sowing can be adjusted in a self-adaptive profiling mode according to ridge height changes, the structure is adjustable, performance is stable, the application range is wide, and production cost is saved.

The application relates to the technical field of medical devices, and discloses an intramedullary nail aiming system and an intramedullary nail implantation method, which comprise an intramedullary nail, a guide rod, an aiming frame and a guide piece, wherein the intramedullary nail is provided with three proximal holes, the axes of the three proximal holes are parallel to a Y-axis visual angle, intersect with an X-axis visual angle and a Z-axis visual angle, and the axes of two proximal holes are mirror structures in the X-axis visual angle; the other end of the intramedullary nail is a free end, and two parallel distal holes are arranged along the Y-axis; the guide rod is arranged along the X-axis and is fixed relative to the intramedullary nail; the aiming frame is slidably connected with the guide rod and can be detached, the aiming frame is provided with an aiming hole for aiming at the distal holes and is provided with two slot holes corresponding to the proximal holes; the guide piece is arranged in the two slot holes, and the structure of the guide piece is adjustable. The single aiming frame can be used for aiming at all the proximal holes and the distal holes, has the advantages of good universality and few components, and has good applicability.

The application provides a chiral zinc complex crystal with second-order nonlinearity and birefringence performance, characterized by a molecular formula; the chiral zinc complex crystal belongs to an orthorhombic system, a space group is Pca21, and is a non-central symmetric structure; the chiral zinc complex crystal has second-order nonlinearity and birefringence performance. The application also provides a preparation method of the chiral zinc complex crystal, and solves the problem that the crystal is easy to form a central symmetric structure in the prior art; the method is characterized by inducing a chiral small molecule with intrinsic non-central symmetry, and combining the advantages of non-d-d electron transition absorption, so that the crystal forms a non-central symmetric orthorhombic system structure, the crystal is ensured to have stable second-order nonlinearity, and meanwhile, a suitable birefringence is obtained, so that the core requirements of laser frequency conversion and phase matching are met.

The invention discloses a metal nano assembly constructed under a non-micelle condition, a metal precursor and a sulfydryl ligand are subjected to a reduction reaction in a dispersion system containing a block copolymer with the concentration lower than the critical micelle concentration, and the metal nano assembly is formed through in-situ assembly. According to the technical scheme, the preparation process is simplified, dependence on a high-concentration surfactant or a hard template in a traditional method is avoided, and effective regulation and control of the nano assembly structure and in-vivo metabolic behaviors are achieved by dynamically adjusting the proportion of the copper element in the gold-copper alloy. Experimental results show that the prepared nano assembly has good dispersibility and biocompatibility, can be biodegraded or cleared in vivo over time, solves the problem that traditional large-size gold nanoparticles are easily accumulated in non-specific organs for a long time, and has important application potential in the fields of biomedical imaging and diagnosis and treatment.

The application discloses a kind of anti-impact nylon fibre for spacesuit and its preparation method, comprising: high molecular weight nylon 66 matrix 86.0-92.0wt%, multi-dimensional nano reinforcing phase 1.2-2.0wt%, multifunctional anti-impact microsphere 4.0-7.0wt%, in-situ interface compatibilizer and crosslinking point regulator 0.5-1.2wt%, aerospace-grade multifunctional stabilizing aid: 1.0-2.8wt%;The multi-dimensional nano reinforcing phase is compounded by amino graphene and amino carbon nanotube according to mass ratio 1:3-4;The multifunctional anti-impact microsphere is hollow polysiloxane-titania composite microsphere, the anti-impact nylon fibre for spacesuit and its preparation method disclosed by the application can realize the multifunctional integration of nylon fibre, meet the demand of space suit fibre.

The utility model relates to the technical field of fruit collecting equipment, and discloses a telescopic fallen fruit picking device which comprises a main rod and a picking barrel, a telescopic rod is slidably connected to the interior of the main rod, one end of the telescopic rod is rotatably connected with a connecting block, the picking barrel is rotatably connected to the inner side of the connecting block, and a plurality of picking blocks are fixedly connected to the interior of the picking barrel. A rotating assembly is installed at the top of the picking barrel, a clamping assembly is installed on one side of the picking barrel, a bolt fixing assembly is arranged on one side of the telescopic rod, and a thread fixing assembly is installed at the other end of the telescopic rod. The thread fixing assembly comprises a fixing area which is arranged at one end of the telescopic rod. The direction can be freely adjusted when the picking barrel picks up fruits, meanwhile, the fixing rod can fix the connecting block, the angle of the picking barrel is fixed, the picking barrel is designed to avoid damage to the fruit surface during harvesting, the main rod and the telescopic rod are designed to be adjustable, different operation requirements are met, and the operation adaptability of a slope orchard is improved by optimizing the position structure of the picking barrel.

The application discloses an ultrahigh sensitive Love wave surface acoustic wave immunosensor based on a double-antibody sandwich method of DMSN@AuNPs and gold staining solution. The immunoelectrode coated with a good capture antibody and non-specifically blocked can specifically capture an antigen to be measured, and then a DMSN@AuNPs@ detection antibody is combined with a gold staining solution to realize signal amplification, and real-time quantitative detection is realized by calculating the phase change of the sensor. The DMSN loaded with a large amount of AuNPs by utilizing the advantages of rich channels, large specific surface area, uniform particle size, easy functionalization and adjustable structure can greatly improve the signal amplification effect of gold staining, and greatly reduce the linear range and detection lower limit of the Love wave surface acoustic wave sensor for detecting antigens based on the traditional colloidal gold combined with the gold staining solution. The sensor and the nanomaterials can be mass-produced and long-term stored, and have a good application prospect.

This invention relates to the field of aero-engine manufacturing technology and discloses a hydraulic lateral pressure plate for processing aero-engine parts. The plate includes a base, on which a hydraulic feeding mechanism and a clamping mechanism are mounted. The hydraulic feeding mechanism includes a sliding cavity on one side of the base, in which a piston slides. A telescopic spring is provided between the piston and the sliding cavity. A fixing block is provided at the opening of the sliding cavity, through which the piston passes and slides in a sealing fit. A first oil passage is provided inside the base and is connected to the sliding cavity. The clamping mechanism includes a sealing cavity on the base, in which a clamping plug slides. A second oil passage is provided inside the base and is connected to the sealing cavity. A clamping plate is fixed on the base. The middle part of the piston is connected to the lateral pressure plate. Both ends of the lateral pressure plate extend between the clamping plug and the clamping plate for clamping and positioning. This invention solves the problems of low positioning accuracy, unstable clamping, mutual interference between feeding and clamping, and inconvenient resetting associated with traditional lateral pressure plates.

The utility model discloses an online punching system for a rubber sealing strip, and belongs to the technical field of sealing rubber strip production equipment. Comprising a traction device and a punching device; the punching device comprises a case, a base, a punching structure and a supporting seat, the punching structure comprises a lifting driving mechanism, a fine adjustment mechanism and a pneumatic drill, and the lifting driving mechanism comprises a support, a vertical sliding seat, an eccentric wheel, a motor, two transverse sliding seats, two transverse sliding rods and two vertical sliding rods. A chip removal notch is formed in the side, close to the lifting driving mechanism, of the top of the supporting base. The bottom of the eccentric wheel rotates backwards; the two transverse sliding rods are arranged on the support in the front-back direction, and the two transverse sliding seats are arranged on the two transverse sliding rods in a sliding mode correspondingly. The upper ends of the two vertical sliding rods are fixed to the upper transverse sliding seat, and the lower ends of the two vertical sliding rods are fixed to the lower transverse sliding seat. The vertical sliding seat is arranged on the two vertical sliding rods in a sliding manner and is eccentrically connected with the eccentric wheel; and the fine adjustment mechanism is arranged on the vertical sliding seat.

The utility model discloses module formula hollow glass clamp relates to the design and manufacturing technical field of glass processing clamping tool, including inner clamp module and outer clamp module, and the inner clamp module includes inner clamp upper border, inner clamp left border, inner clamp right border and inner border bolt cover, the outer clamp includes outer border, border connecting structure and electric adjusting mechanism, and the outer border constitutes by outer frame left connecting frame, outer frame upper border, and the border connecting mechanism includes connecting plate and connecting stand, electric adjusting mechanism constitutes by power box, servo motor, transmission, limit bearing, the utility model overcomes the prior art in the construction process easily produces clamp printing, influences construction quality, and its manufacturing cost is high's insufficient, can carry out real -time clamping degree monitoring, and the size of clamp can be changed through adjustable bolt length, can adapt to single -layer glass, laminated glass and hollow double -layer glass glass construction, has the effect of reducing the frequency of replacing clamp, improves production efficiency.

The application discloses a tower crane cable automatic following-up device and belongs to the technical field of tower crane auxiliary equipment. The device comprises a guide cylinder which is hinged by a movable end and a fixed end, and a clamping mechanism is arranged outside the guide cylinder. The clamping mechanism comprises multiple groups of rotating seats which are uniformly distributed along the circumferential outer wall of the guide cylinder, the rotating seats are hinged to clamping arms through rotating pins, the clamping arms are provided with sliding grooves and a reset tensioning mechanism, and the reset tensioning mechanism is composed of an adjusting screw, a reset spring and an adjusting nut. The fixed end of the guide cylinder is connected to a fixing mechanism through a connecting rod, a connecting piece, a pressing plate, an adjusting rod and a fixing nut, and can be clamped and fixed on a tower crane standard section. The device adopts a multiple-clamping-arm ring embracing type elastic clamping, can self-adaptively adapt to cables of different specifications, can realize automatic synchronous climbing of the cables along with the tower crane top lifting, can limit cable shaking, winding and friction damage, greatly reduces the risk of manual climbing, and is convenient to install and disassemble, has high universality and good protection effect.

This invention relates to the field of medical technology, specifically to an injectable antioxidant hydrogel adapted to the mechanical properties of the nucleus pulposus, its preparation method, and its applications. The hydrogel uses a polypeptide-polymer copolymer as its backbone, and by adjusting the polymer network structure to match the mechanical properties of the nucleus pulposus, it achieves synergistic optimization of antioxidant properties, mechanical support, and biocompatibility. Because it does not rely on any drug bioactive factors, it can also effectively solve the problems of burst release and over-release of loaded drugs, exhibiting excellent overall performance and possessing broad market application potential.

The utility model discloses an EA front and back trailing arm assembly mould, which relates to the technical field of automobile part manufacturing, and comprises two supports, the two supports are mutually clamped, the upper surfaces of the supports are detachably provided with a connecting arm lower mould, the upper surfaces of the supports are symmetrically and fixedly provided with support columns, the upper sides of the supports are detachably provided with an upper plate, and the lower surfaces of the support columns are symmetrically and fixedly provided with lower connecting arm moulds. The upper surface of the upper plate is symmetrically and fixedly provided with air cylinders, and the output ends of the air cylinders penetrate through the upper plate and are detachably connected with a lifting plate. According to the EA front and back trailing arm assembly mold, the design of multiple mold cavities is adopted, a plurality of key components such as a connecting arm, a reinforcing rib, a hinge and a transverse stabilizer bar of a trailing arm assembly can be formed at the same time, and the production efficiency is improved. Compared with a traditional mode that parts are formed one by one through a mold, the production cycle is greatly shortened, the production efficiency is improved, large-scale production is facilitated, and all the parts of the mold are easy and convenient to operate and convenient to maintain when assembled and disassembled.

This invention relates to a high-efficiency polishing slurry for silicon wafers using a synergistic silica sol, which is mainly composed of the following raw materials in the indicated weight ratios: 10-30 parts silica abrasive; 0.001-0.5 parts nitrogen-containing functional group promoter; 0.01-1 part surfactant; 0.1-5 parts acid-base adjuster; and 30-90 parts water. This polishing slurry, through the synergistic effect of the compound design of amino silica sol raw materials and the interfacial reaction regulation mechanism of the nitrogen-containing functional group promoter, effectively improves the material removal rate, significantly improves polishing uniformity, inhibits local over-corrosion and particle agglomeration, reduces surface roughness, and simultaneously reduces particle residue and metal ion contamination. It achieves a synergistic balance between high efficiency and low damage, meeting the performance requirements of polishing slurries for precision machining of high-end single-crystal silicon wafers.

The utility model discloses an auxiliary positioning device for welding a stabilizer bar support on a front axle circular tube beam, which comprises a cross beam provided with an adjusting structure. A fixed support and a movable support are arranged at the two ends of the cross beam respectively, vertical bolts are arranged on the top of the fixed support and the top of the movable support, transverse bolts are arranged on the side portion of the fixed support and the side portion of the movable support, and the auxiliary positioning device for welding of the stabilizer bar support on the front axle circular tube beam is simple in structure and convenient to position and adjust.

The application relates to the technical field of high polymer fiber rope manufacturing, and discloses a preparation process of a double-twisted anti-rotation ultra-high molecular weight polyethylene rope, which comprises the following steps: high-strength high-modulus UHMWPE fibers are selected as main body reinforcing fibers and are subjected to surface activation treatment; the treated UHMWPE fibers are divided into inner layer fiber bundles and outer layer fiber bundles; the blended inner layer fiber bundles are bundled, introduced into a tubular stranding machine through a tension controller, twisted in an "S" direction, and inner layer strands are formed; the twisted inner layer strands are continuously passed through a first heat treatment zone and cooled to form a pre-consolidated inner layer strand core. Through the combination of the double-layer blending functionalization, the inner-outer reverse twisting structure and the heat-induced plasticity integrated technology, the high-performance UHMWPE rope with high interface bonding strength, excellent anti-rotation performance, stable structure and intelligent monitoring potential is prepared, a series of problems such as weak interface bonding, easy rotation, single function and difficult monitoring are effectively solved, and the comprehensive performance and reliability of the UHMWPE rope are remarkably improved.

The application discloses a lanthanide-actinide heterometallic coordination polymer material and a preparation method and application thereof, and belongs to the technical field of metal organic polymer materials. 2+ The lanthanide-actinide heterometallic coordination polymer material is prepared through precise integration in a one-dimensional structure. The preparation method is simple in operation and easy to realize repeated preparation. The prepared lanthanide-actinide heterometallic coordination polymer material has both characteristic luminescence of lanthanide elements and structure guiding characteristics of actinide ions, is highly ordered in structure and has excellent radiation stability. Compared with other scintillators, the prepared lanthanide-actinide heterometallic coordination polymer material has sensitive scintillation response to X rays, high light output and excellent energy resolution, and has great potential in X ray imaging.