163results about How to "Easy transition" patented technology

The invention discloses an image generation method and device, equipment, a medium and a product, and relates to the field of image processing. The method comprises the following steps: acquiring a first image and a gray level change graph, and acquiring a noise image; in the process of carrying out iterative noise reduction on the noise image by taking modification of the first image as a noise reduction condition, obtaining the ith noise image corresponding to the ith iteration noise reduction stage; when i = 1, performing noise reduction on the first noise image to obtain a first noise reduction stage image output in a first iteration noise reduction stage; when i is greater than 1, based on a fusion proportion indicated by a second pixel value in the gray level change graph, fusing the i-th noise image and the (i-1)-th noise reduction stage image output in the (i-1)-th iteration noise reduction stage to obtain an i-th fused image; and carrying out noise reduction on the ith fusion image to obtain an ith noise reduction stage image output in the ith iteration noise reduction stage until the iteration noise reduction requirement is met, and obtaining a generated image as a modification result of the first image. The method can improve the generation effect of the image modification result.

The invention further discloses a preparation method of the wide-temperature-range, high-performance and high-binding-force soft and hard composite coating. The preparation method comprises the steps of cleaning, ion implantation, preparation of a soft layer metal Ti, preparation of a hard layer TiZrAlCrSiMN, preparation of a soft layer metal Zr and preparation of the hard layer TiZrAlCrSiMN. The invention further discloses application of the wide-temperature-range, high-performance and high-binding-force soft and hard composite coating in a dry cutting tool. The invention discloses the wide-temperature-range high-performance high-binding-force soft and hard composite coating which is prepared through the preparation method, and the wide-temperature-range high-performance high-binding-force soft and hard composite coating solves the problems that an existing tool coating is low in high-temperature hardness, poor in abrasion resistance and poor in erosion resistance and cracking resistance.

The invention relates to a spinel type high-entropy oxide photo-thermal super-hydrophobic anti-icing coating. The anti-icing coating is prepared from the following raw materials in parts by weight: 10 to 20 parts of spinel type high-entropy oxide, 20 to 40 parts of epoxy resin, 1 to 5 parts of stearic acid solution, 1 to 5 parts of polymethyl methacrylate solution, 5 to 10 parts of polydimethylsiloxane, 0.1 to 1 part of flatting agent, 0.1 to 1 part of dispersing agent, 0.1 to 1 part of defoaming agent, 0.5 to 1 part of curing agent and 30 to 60 parts of solvent. The spinel type high-entropy oxide is a powder material with the particle size of 50-600 nm, and the molecular formula of the spinel type high-entropy oxide is (A) 3O4. Meanwhile, the invention further discloses a preparation method of the coating. A coating prepared from the coating disclosed by the invention realizes coupling characteristics of photothermal conversion and super-hydrophobicity, not only has excellent super-hydrophobicity and light absorption characteristics, but also has good performance stability and durability in corrosion and wear environments.

The invention relates to the technical field of image processing, and provides a high-precision image splicing and correcting method based on a multi-view camera, and the method comprises the steps: recognizing a potential distortion region in an image according to a plurality of view images, and outputting the distortion region; detail features of the distortion areas are extracted, the distortion type of each distortion area is derived by combining geometric consistency of adjacent areas, and local correction parameters are generated; performing accurate correction on each pixel by adopting self-adaptive nonlinear transformation and combining a mapping relation between a pixel position and a distortion degree, and obtaining an image after distortion correction; and after image splicing is carried out on the images after distortion correction, the transition effect of the edge is optimized by combining a multi-scale region fusion technology. According to the invention, the visual unnatural phenomenon at the seam can be eliminated, and the precision and visual experience of the whole image splicing are improved.

The invention relates to a high-flame-retardant PVC composite material for a charging pile drag chain, and belongs to the technical field of polymer composite materials. The composite material is prepared from the following components: 10 to 15 weight percent of ABS (Acrylonitrile Butadiene Styrene) resin, 15 to 22 weight percent of composite flame retardant, 12 to 16 weight percent of plasticizer, 1.9 to 2.4 weight percent of stabilizer, 0.25 to 0.3 weight percent of antioxidant, 2.2 to 2.6 weight percent of lubricant and the balance of PVC (Polyvinyl Chloride) resin, according to the composite flame retardant, mica powder serves as a core material, a large number of compounds containing cyclic phosphate ester are introduced to the surface, a mica powder-carbide lamellar layer is formed in the ablation process, deep combustion is hindered, a carbonization layer on the surface of the core material plays a good transition role between an unablated PVC base body and the mica core material, the mica powder is prevented from falling off, and the service life of the flame retardant is prolonged. And the structure of the ablation layer is kept stable, and a good protection effect can still be kept after ablation.

The invention discloses a box-type self-driven advancing integrated high-voltage test platform and a use method thereof.The platform comprises a bearing platform body, a variable-frequency voltage-regulating power source, an exciting transformer, a resonance reactor, a capacitive voltage divider and a grading ring, and the bearing platform body is provided with a telescopic protection box body; when the resonance reactor and the capacitive voltage divider are in a horizontal state, the protection box covers the bearing platform body and seals the variable-frequency voltage-regulating power supply, the exciting transformer, the resonance reactor, the capacitive voltage divider and the grading ring, a moving device is arranged at the bottom of the bearing platform body, and the moving device can drive the bearing platform body to move. The device is small in advancing turning radius, low in space requirement and convenient to carry out tests in a relatively smaller site. The closed box body is adopted, so that good protection can be formed on test equipment in a non-test state, the test equipment is prevented from being affected by the outside, and the external insulation performance of the test equipment is protected; meanwhile, the platform can be conveniently unloaded, loaded and transported through a hydraulic system of the platform, and operation is convenient, fast and flexible.

The embodiment of the invention relates to the technical field of industrial buildings or building groups, in particular to an arrangement structure of a nuclear power plant with double reactors, which comprises a main plant area, a fuel production and treatment area, a cooling water facility area, a power distribution device area, a radioactive auxiliary production area, a non-radioactive auxiliary production area, a pre-plant building area and an ancillary facility area, the main plant area comprises a nuclear island area and a conventional island area, the nuclear island area is arranged in the center of the nuclear power plant, a first reactor and a second reactor are arranged in the nuclear island area and are adjacently arranged, and the first reactor is arranged on the north side of the second reactor. According to the arrangement structure, the same plant area has the functions of power generation, fuel production and fuel treatment, double-reactor sharing of all the functional areas is achieved, in addition, the coordination of the overall layout of the nuclear power plant is considered, compact and reasonable general plane arrangement is conducted on the nuclear power plant, connection and transition between all the functional areas are optimized, and therefore double reactors can be better served.

The utility model discloses a household photovoltaic material carrying device, which belongs to the field of photovoltaic power station engineering construction and comprises a ladder guide rail, a lifting platform is detachably mounted on the ladder guide rail in a sliding manner, a material hopper is mounted at one end of the lifting platform, and the other end of the lifting platform is connected with one end of a lifting device. The other end of the hoisting device is placed on a household photovoltaic mounting platform; the ladder guide rail is formed by splicing one or more ladder guide rail splicing parts.

The invention discloses a movable building construction waste treatment device which comprises a frame, rollers are rotatably mounted on the lower surface of the frame, a brake mechanism is rotatably mounted on one side of the frame, a first U-shaped frame and a second U-shaped frame are fixedly mounted on the two sides of the frame respectively, and a dust collection mechanism is fixedly mounted in the first U-shaped frame; the dust collection end of the dust collection mechanism is installed on the upper surface of the crushing bin, and a feeding mechanism is rotationally installed in the second U-shaped frame. Through the design of the dust collection mechanism and the feeding mechanism, the dust collection mechanism pushes or pulls the vehicle frame to a construction waste accumulation position, so that the equipment can quickly reach a waste generation place, the carrying distance of the construction waste can be reduced through the flexible moving mode, the treatment efficiency is improved, and through the folding design of the feeding mechanism, the construction waste can be conveniently and rapidly transported. In the construction waste treatment process at different places, the construction waste treatment device can be quickly converted from a transportation state to a working state through the folding and unfolding functions.

The invention provides a six-core triangular prism compound based on a half-sandwich rhodium building unit as well as a preparation method and application of the six-core triangular prism compound, and belongs to the technical field of chemical synthesis. The six-core triangular prism compound based on the half-sandwich rhodium construction unit provided by the invention contains six rhodium, characterization is performed through single crystal X-ray diffraction, and a single crystal structure shows that the compound based on the half-sandwich rhodium construction unit provided by the invention shows a six-core triangular prism configuration; the distance between the long sides of the metal rhodium is # imgabs 0 #, the distance between the short sides of the metal rhodium is # imgabs 1 #, and the distance between the centers of the metal rhodium is # imgabs 2 #. Nuclear magnetic analysis and crystal structure analysis on the six-core triangular prism compound prove that the compound is of a six-core triangular prism structure in both a liquid phase and a solid phase; and potential application prospects can be realized in the fields of molecular recognition, separation and photo-thermal.

The invention relates to the technical field of beverage cups, in particular to a beverage cup achieving the bottom heat conduction effect through a composite material and a manufacturing process thereof. Comprising a cup body, the cup body is provided with a soft temperature-resistant body, a hard supporting body and a hard transition body, the soft temperature-resistant body is of a cup-shaped container structure with an opening, the hard transition body and the hard supporting body are both of a sleeve-shaped structure, the hard transition body is bonded to the outer side of the soft temperature-resistant body, the upper end of the hard transition body is aligned with the opening of the soft temperature-resistant body, and the lower end of the hard transition body is aligned with the opening of the soft temperature-resistant body. The lower end of the hard transition body is higher than the soft temperature-resistant body, the hard supporting body is arranged on the outer side of the hard transition body in a sleeving mode, a fixing structure is arranged between the hard supporting body and the hard transition body, and the hard transition body and the hard supporting body are fixedly matched through the fixing structure; the bottom surface of the soft temperature-resistant body can be in close contact with the heating film, so that the heat conduction effect of the bottom of the cup body is improved, and the heating film can efficiently transfer heat to a beverage in the cup body.

The utility model discloses a novel filtering membrane bag with a sealing structure, and relates to the field of filtering equipment. The filtering membrane bag with the novel sealing structure comprises a liquid outlet unit, a liquid inlet unit, a filtering membrane layer and a rubber coating piece, the liquid inlet unit comprises a liquid inlet screen and a liquid inlet sealing piece. According to the utility model, the first liquid inlet sealing part and the second liquid inlet sealing part are protruded and have height difference between the liquid inlet unit and the filter membrane layer, so that when the liquid inlet unit is extruded, clamped and sealed, the second liquid inlet sealing part is firstly extruded and embedded into the filter membrane layer, and the second liquid inlet sealing part is extruded and embedded into the filter membrane layer; the first liquid inlet sealing part can prevent the second liquid inlet sealing part from locally extruding the filtering membrane layer, promote transition of local stress and buffer stress of the filtering membrane layer, so that the liquid inlet screen is prevented from being embedded into the filtering membrane layer, deformation and even damage of the filtering membrane layer are avoided, the basic shape of the filtering membrane layer is maintained, and the service life of the filtering membrane layer is prolonged. Therefore, the liquid inlet capacity of the filtering membrane bag is guaranteed, and the protruding design of the filtering membrane bag is beneficial to improving the sealing performance between the liquid inlet unit and the filtering membrane layer.

This invention discloses a horizontal rotation device for a bridge erecting machine, comprising a main beam, two sets of intermediate support legs, and two sets of auxiliary devices. The main beam includes two beam bodies and a main beam transverse joint hinged to the two beam bodies. Each set of intermediate support legs includes two intermediate support leg units, a support leg crossbeam, and an adjustment mechanism. The two intermediate support leg units are respectively hinged to the two beam bodies and slidably mounted on the support leg crossbeam. The adjustment mechanism is used to adjust the distance between the two intermediate support leg units. Each set of auxiliary devices includes two auxiliary support legs, which are respectively installed on the two beam bodies. The two sets of auxiliary devices and the two sets of intermediate support legs are used to alternately support the bridge deck to lift the main beam. This invention also provides a method for horizontal rotation of the bridge erecting machine. The described horizontal rotation device and method for the bridge erecting machine achieve horizontal rotation of the bridge erecting machine by alternately rotating the main beam and intermediate support legs horizontally. Therefore, it facilitates site relocation and is applicable to conditions where precast beams and cap beams intersect at an angle.

This invention relates to the field of ultra-high strength steel welding technology, and more particularly to a laser welding method for the pickling and rolling process of 980MPa cold-rolled multiphase steel. The 980MPa cold-rolled multiphase steel is produced using a combined pickling and rolling unit. The tail end of the front coil and the head end of the rear coil are butt-welded using a laser welding machine, with 780MPa multiphase steel used as the transition material. By adjusting the welding process parameters, the welding difficulties encountered in the pickling and rolling process of 980MPa multiphase steel are solved, reducing the incidence of strip breakage along the weld seam during pickling and rolling, and effectively improving production efficiency.

The present invention discloses a multifunctional crane, a hydraulic system and a control method. The multifunctional crane includes a front frame assembly, a steering cylinder, a rear frame assembly, a front outrigger, a crane base, a rear outrigger, a slewing assembly, a counterweight, an outer column, an inner column, a column cylinder, an upper base, an erecting arm luffing cylinder, an erecting arm, a main arm, a winch mechanism, a first main arm luffing cylinder, a telescopic arm, a telescopic cylinder, a first leveling cylinder, a climbing platform and a hook. The front frame assembly and the rear frame assembly are deflected by the telescopic movement of the steering cylinder; the front outrigger and the rear outrigger are installed below the rear frame assembly, the crane base is installed above the rear frame assembly, the slewing assembly is installed on the crane base, and the counterweight is fixed on the slewing assembly; one end of the column cylinder is hinged to the outer column, and the other end of the column cylinder is hinged to the inner column. The present invention is convenient for transition and has various functions; it has many degrees of freedom, flexible movements and changeable control modes.

The application belongs to the technical field of iodine-containing wastewater treatment, and specifically provides a method for treating iodine-containing wastewater, which comprises the following steps: mixing a metal-doped bismuth tungstate material for treating iodine-containing wastewater with a binder and a conductive agent to prepare a slurry, coating the slurry on a conductive substrate, and drying to obtain a membrane electrode, and using the obtained membrane electrode to treat iodine-containing wastewater; and a preparation method of the metal-doped bismuth tungstate material for treating iodine-containing wastewater, which comprises the following steps: 1) dissolving bismuth salt and iron salt in a solvent to prepare a mixed solution; 2) adding a tungstate solution to the mixed solution to form a suspension, and then performing a hydrothermal reaction, collecting the precipitate after cooling, and washing and drying to obtain the product. The metal-doped bismuth tungstate material prepared by the application has the advantages of high specific surface area and good photo-assisted electric adsorption performance.

The utility model discloses a kind of foam storage devices, comprising: rack;Driving assembly is equipped with multiple driving rollers and same number of multiple motors, driving roller is connected one-to-one with motor, multiple driving rollers are interval arranged on rack, and the inside of corresponding rack below between two adjacent driving rollers has storage space;Driving roller interval arrangement, the foam between two adjacent driving rollers is curved under the action of gravity, and the part of bending is located in storage space, and foam placement mode can make foam retain more length on rack, by adjusting the rotation speed of driving roller to adjust the storage length of foam on rack, regardless of how change the winding speed of winding device or how change the output efficiency of output device, it can make foam keep appropriate storage amount on rack, avoid foam messy accumulation, realize the good transition of foam between output device and winding device.

The utility model discloses a movable crusher which comprises a crushing chamber, an engine and a handrail, the feeding side of the crushing chamber is connected with a feeding groove, the discharging side of the crushing chamber is connected with a discharging pipe, a knife roll is arranged in an inner cavity of the crushing chamber, a knife shaft of the knife roll is connected with a main shaft of the engine through a transmission belt of the crushing chamber, and the crushing chamber and the engine are both fixed on a chassis. A dual-motor drive axle for driving the crawler belts or the wheels on the two sides is arranged in the chassis; a generator, an energy storage battery and a controller module are further installed on the chassis, a main shaft of the engine is in transmission connection with an input shaft of the generator, a stator winding terminal of the generator is connected with a charging terminal of the energy storage battery through a wire, and a power supply terminal of the energy storage battery is connected with power lines of the two walking motors in the dual-motor drive axle. And control lines of the two walking motors are connected with the controller module. The mobile crusher adopts oil-electricity hybrid power, is low in energy consumption cost, good in control performance and wide in application range, and can realize remote control.

The utility model provides a proton exchange membrane fuel cell bipolar plate variable period variable cross-section runner and bipolar plate, including bipolar plate, the runner of bipolar plate includes ridge and groove that are arranged at interval, the ridge at the both sides of same groove is symmetrically arranged along the central line of groove, the both side walls of groove are variable period wave shape, and the ridge is in the variable period wave shape. A bipolar plate runner periodically shrinks and expands in the reaction gas flowing direction, the center line of a groove serves as the x axis, the transverse fluctuation amplitude y of the side wall of the single side of the groove meets the function y = A * sin (Bx + C) + D, A, C and D are all constants, the period # imgabs0 # meets the curvilinear function # imgabs1 # k based on the Sigmoid function, m, n and q are all constants, and the symmetrical opposite side walls meet the function y '=-y. By adopting the variable-period variable-cross-section flow channel, the shrinkage cycle period of the outlet side flow channel is prevented from being too small, the reaction gas flow stability of the inlet section and the outlet section is improved, the flow speed and the pressure can be adjusted in the flow channel, the under-ridge mass transfer capacity is enhanced, the better liquid water discharge effect is achieved, and water logging is prevented.

The utility model discloses profile cutting equipment for building construction, and relates to the technical field of building profile processing, the profile cutting equipment for building construction comprises a cutting machine body, a base, support frames and a material guide roller, the cutting machine body is rotatably connected to the base, the support frames are vertically and rotatably connected to the two sides of the base, and the material guide roller is arranged on the base. The supporting frames are evenly and rotationally connected with a plurality of material guide rollers, the two supporting frames rotate to be horizontal and are in butt joint with the base to form a long supporting platform, and the upper sides of the material guide rollers are matched and flush with the upper side of the base. The supporting frames which can rotate to the horizontal state and are in butt joint with the base are arranged on the two sides, an extended rigid supporting platform is formed, the problems of overhanging and inclining in the long profile machining process are effectively solved, the perpendicularity and machining precision of a cutting face are guaranteed, after machining is completed, the supporting frames can rotate to be folded to the vertical state, and the supporting frames can be folded to the horizontal state. And the equipment size is greatly reduced, and transportation and transition are facilitated.

The invention relates to the field of luminescent materials, and particularly discloses a luminescent material of copper-doped bismuth-based perovskite. The structural formula is Cs3Bi2Br9: Cu < 2 + >. The raw materials comprise a precursor solution, a CuBr2 ethanol solution and an oleic acid-ethanol solution, the precursor solution comprises the raw materials of CsBr, BiBr3, dimethyl sulfoxide and n-octylamine, and the ratio of CsBr to BiBr3 to dimethyl sulfoxide to n-octylamine is (0.3-0.5 mmol): (0.2-3.3 mmol): (5.8-6.3 ml): (60-70 [mu] l); the ratio of the amount of substance of CsBr to the amount of substance of BiBr3 is 1.3 to 1.6; the raw materials of the CuBr2 ethanol solution comprise absolute ethyl alcohol and CuBr2, and the ratio of the absolute ethyl alcohol to the CuBr2 is (2.3-2.6) ml: (0.05-0.06) mmol; the oleic acid-ethanol solution is prepared from the following raw materials in parts by volume: 4.3 to 5 parts of absolute ethyl alcohol and 0.35 to 0.6 part of oleic acid; the ratio of the volume sum of the CuBr2 ethanol solution and the oleic acid-ethanol solution to the volume of the precursor solution is 10: 1. According to the copper-doped bismuth-based perovskite luminescent material in the scheme, the photoelectric property and long-term stability of the material can be improved.

The invention discloses a semiconductor multilayer epitaxial wafer material and a preparation method thereof, and relates to the technical field of semiconductor materials, the semiconductor multilayer epitaxial wafer material comprises a substrate, and the substrate is sequentially provided with a buffer layer, a first multi-element co-doped epitaxial layer, a second multi-element co-doped epitaxial layer and a silicon carbide epitaxial layer; the first multi-element co-doped epitaxial layer is a rare earth, Ga, N and Te co-doped epitaxial layer; and the second multi-element co-doped epitaxial layer is an N and In co-doped epitaxial layer. The semiconductor multilayer epitaxial wafer material disclosed by the invention is low in leakage current and starting voltage and high in breakdown voltage.

The invention discloses an ultraviolet light absorption antistatic fabric and a preparation method thereof, and relates to the field of textile fabrics. When the ultraviolet light absorption antistatic fabric is prepared, nano titanium dioxide reacts with 2-chloro-4, 6-diamino-1, 3, 5-triazine and 1H-pyrrole-2, 5-diformaldehyde, and then reacts with resorcinol, so that modified nano titanium dioxide is obtained; the preparation method comprises the following steps: reacting ethylene glycol, terephthalic acid and 2-dimethylaminoethyl phosphoric acid, and then reacting with N-(2-bromoethyl) maleimide to obtain modified polyester; uniformly mixing the modified polyester and the modified nano titanium dioxide, and spinning and weaving to obtain the ultraviolet light absorption antistatic fabric. The ultraviolet light absorption antistatic fabric prepared by the invention has excellent flame retardance, antistatic property, ultraviolet resistance and mechanical property.

The flushing device comprises a first switching device and a second switching device, the first switching device and the second switching device are provided with a first switching piece and a second switching piece respectively, and the first switching piece and the second switching piece can operate independently, so that water flows out of a first water outlet A or a second water outlet A respectively; the first water outlet A and the second water outlet A can discharge water at the same time at part of moments, the first water outlet A and the second water outlet A can serve as brush rings to discharge water, the problem that in the switching process of different water sources, interruption is likely to happen, and then water is discharged is solved, and smooth transition of the two water sources is achieved. Besides, the pressurized water source flows out of the second water outlet A and the second water outlet B respectively, so that the pressure of the water flow flowing out of the second water outlet A is reduced, the pressure of the confluence formed by the confluence of the water flow flowing out of the second water outlet A and the water flow flowing out of the first water outlet A is not too high, and the situation of water flow splashing is reduced.

This application relates to the field of cold cathode field emission material preparation technology, and discloses a method for preparing a graphene-diamond composite structure to improve the field emission performance of diamond. The method involves first dispersing nanodiamonds and graphene oxide in a deep eutectic solvent; then adding boric acid to induce an in-situ sol-gel transformation under heating, forming a gel network that locks the dispersed phase; followed by microwave-assisted interface activation and gradient high-temperature carbonization, and finally cleaning and drying to obtain the product. This invention effectively suppresses phase separation and agglomeration during pyrolysis through a gel solidification mechanism, and utilizes the deep eutectic solvent and boric acid pyrolysis to achieve in-situ co-doping of nitrogen and boron, constructing a low-barrier continuous conductive channel on the diamond surface, and realizing tight electrical interconnection between components. This method is simple and controllable, and the resulting composite material possesses excellent conductivity, low turn-on electric field, and high emission stability, thus improving the electron emission efficiency of cold cathode devices.

The invention discloses a lithium ion storage battery hydraulic excavator for a coal mine. The lithium ion storage battery hydraulic excavator aims at solving the problem that an existing electric hydraulic excavator is inconvenient to use, maintain, move for a long distance and transfer. Comprising a working device, a rotary driving device, a chassis walking device, a slewing mechanism, a control mechanism, a lithium ion power supply, a battery management unit, a vehicle-mounted control unit, a switched reluctance speed regulating motor, a hydraulic system, a cooling system and an upper frame. The upper frame is fixedly connected with the chassis walking device through a slewing support of the slewing mechanism, a positioning pin and a bolt; the working device bracket is rotatably connected with the outer ring of the rotary driving device; and the inner ring of the rotary driving device is fixedly connected with the frame deflection bracket of the upper frame. An external cable is not needed, a charging pile is used for direct charging, and professional electricians are not needed; walking and operation only need to be independently operated by a single person, auxiliary personnel are not needed, use, maintenance, long-distance movement and transition are convenient, and the comprehensive operation cost is low.

The application relates to a belt conveyor transition device which comprises inverted L-shaped mounting supports composed of mutually perpendicular first supporting plates and second supporting plates; further comprises a turnover plate arranged between the two inverted L-shaped mounting supports, one side of the turnover plate is respectively slidably connected with the two inverted L-shaped mounting supports, the other side of the turnover plate is respectively connected with the two inverted L-shaped mounting supports through connecting rods; one end of the connecting rod is rotationally connected with the turnover plate, the other end of the connecting rod is slidably connected with the second supporting plate; the first supporting plate is provided with a limiting block for limiting the rotation angle of the turnover plate and the connecting rod. The utility model overcomes the defects that the existing automobile parts are directly placed in the flowing belt, the service life of the belt is sharply reduced, and the parts are prone to deformation, improves and prolongs the service life of the belt, the parts are not easily deformed due to being pulled by the excessive speed difference of the belt, and the structural deformation and damage of the parts are reduced.

The invention discloses a hydrogen fuel cell hydrogen supply device, and relates to the technical field of fuel cell oxygen supply, the hydrogen fuel cell hydrogen supply device comprises an oxygen supply tank body, a base is arranged below the oxygen supply tank body, two hollow supports are arranged at the lower end of the base, a mounting cavity is arranged in the base, and a moving mechanism extending into the hollow supports is arranged in the mounting cavity. A mounting groove is formed in the upper end of the base, two moving seats are arranged in the mounting groove, adjusting mechanisms connected with the moving seats are arranged in the mounting groove, and fixing mechanisms connected with an oxygen supply tank body are arranged at the upper ends of the two moving seats. The fixing requirements of oxygen supply tank bodies with different lengths and diameters can be met, the applicability is higher, vibration can be buffered, and the oxygen supply tank bodies can be effectively protected.