23results about How to "Structural damage is small" patented technology

The present application relates to the technical field of sample pretreatment automation, and discloses a system of a full-automatic sampling tube cap screwing and pipetting workstation and a running method thereof.The system comprises a motion point definition module, a cap screwing adaptation identification module, a label scanning module, a pipetting planning and execution module, a cap screwing torque calling module and a real-time torque acquisition module.The system realizes continuous scanning and reliable identification of the cap profile in the motion state through a dynamic coordinate system and key motion points, dynamically calls matched torque parameters to execute cap screwing according to the identification result, and simultaneously acquires real-time torque data.The system synchronously completes sample label information analysis, pipetting path planning and pressure monitoring.The scheme realizes adaptive perception and closed-loop cap screwing control of the cap state, and improves the robustness of cap identification, the consistency of cap screwing action and the reliability of the overall process.

The application discloses a longitudinally foldable water-air dual-purpose propeller, and belongs to the technical field of cross-medium aircraft propulsion, comprising a new-configuration hub, a longitudinal folding mechanism, a limiting structure and a down-bending propeller blade with a preset down-bending angle; the configuration of the propeller enables the down-bending propeller blade to be completely unfolded to form a first working configuration through centrifugal force in air, and the down-bending propeller blade to be passively folded and limited to form a second working configuration through hydrodynamic lift in water; the longitudinally foldable water-air dual-purpose propeller can automatically complete mode switching according to the difference between working media without any active control mechanism, and can maintain high efficient propulsion performance in both media.

The invention discloses a regeneration method and application of an iron-based catalyst. The regeneration method of the iron-based catalyst comprises the following steps: S1, contacting an inactivated iron-based catalyst with a regeneration solution for pretreatment to obtain an intermediate product; the regeneration solution comprises N-methyl pyrrolidone, and the concentration of the N-methyl pyrrolidone is greater than or equal to 3%; s2, roasting the intermediate product to obtain a regenerated iron-based catalyst; the roasting temperature ranges from 250 DEG C to 300 DEG C. The regeneration method of the iron-based catalyst provided by the invention is high in regeneration efficiency, and the prepared regenerated catalyst is good in catalytic performance.

The utility model relates to the technical field of metering screen installation, and discloses a metering screen telescopic frame which comprises a frame body, a one-way lead screw is vertically and movably connected to the middle position in the frame body, and a first threaded sleeve is connected to the outer portion of the one-way lead screw in a threaded mode. When the metering screen telescopic frame is used and a metering screen is installed at the front end of the frame body, the rotating handle is rotated on the right side of the movable seat to drive the bidirectional lead screw to rotate, and the two sets of second threaded sleeves can be used for driving the two sets of installation plates to move inwards or outwards at the two sides of the front end of the movable seat while the bidirectional lead screw rotates. By adjusting the mounting distance between the two groups of mounting plates, metering screens with different widths and sizes can be mounted during mounting of the metering screens, the adaptability of the telescopic frame is improved, and after the two groups of mounting plates are adjusted to proper positions, mounting of the metering screens is assisted by using preformed holes in the mounting plates, so that the mounting efficiency is improved. The problem that a metering screen is inconvenient to adjust and install is solved.

The utility model discloses an agricultural machinery soil turning device, including buffer connecting device, through buffer connecting device connection traction machinery, frame, the frame passes buffer connecting device fixed mounting, the frame has the mouth of installation, the frame is fixedly installed with the support board in the one end away from the mouth of installation, through support board with the frame is equipped with the wheel, the pivot, the pivot rotatory mounting is in the mouth of installation, the pivot is fixed with the rotating roller, a plurality of soil turning hooks are installed to the outer wall department of rotating roller, when the wheel is used to the land surface, and the soil turning hook is driven into the soil after the rotating roller, drive arrangement, drive arrangement passes through support board device, and drive arrangement is equipped with transmission unit between cooperation with the pivot, and this device can buffer when having greater impact force.

This utility model relates to the field of feeding machine technology, and in particular to a blocking and rewinding mechanism for feeding coiled materials such as lithium battery aluminum foil. It includes a blocking terminal block that can swing up and down, a pulling steel wire rope that can drive the blocking terminal block to swing up and down, and a rewinding and rewinding control assembly that can rewind and release the pulling steel wire rope. The front end of the pulling steel wire rope is connected to one side of the blocking terminal block to drive the blocking terminal block to swing. The rewinding and rewinding control assembly includes a traction sleeve that allows the right end portion of the pulling steel wire rope to pass through and extends forward and backward, and can move back and forth. The rear end of the pulling steel wire rope is located behind the traction sleeve and is connected to an anti-rotation assembly to prevent the pulling steel wire rope from rotating during the rewinding and rewinding process. The anti-rotation assembly is supported behind the traction sleeve, making it more flexible and convenient to operate.

The utility model relates to building structure field especially, and more particularly to a building structure's sliding base, including first mounting seat, first mounting seat left and right sides all are provided with second mounting seat, first mounting seat inside is provided with the connecting block of sliding type, the first mounting plate is provided with in connecting block top, first mounting seat inside left and right both parts all are provided with first damper, all are provided with first spring on first damper, first damper inside all are installed with contact block, and contact block all can contact with connecting block, first mounting plate top all are provided with connecting plate, and the second mounting plate is slidably connected on connecting plate. The utility model through horizontal sliding and contact block, first damper and rubber pad synergic effect high -efficient dissipation horizontal energy and automatic reset, utilize disc spring and multiple group damper series combination, realize vertical direction's multistage high -efficient buffer and energy dissipation, reduce structural damage, prolong the service life of building, and installation maintenance are convenient.

The utility model discloses an assembly type heat preservation and sound insulation board which comprises a main wall board and a line pipe assembled on the front side of the interior of the main wall board, an assembly clamping sleeve is fixedly installed on one side of the main wall board through a flexible board, an assembly protruding board is fixedly installed on the other side of the main wall board through a flexible board, and a threaded sleeve is fixedly installed on the back of the assembly clamping sleeve. The utility model relates to the technical field of assembly type wallboards. According to the assembly type heat preservation and sound insulation board, through cooperation of the flexible boards and the expansion joints, joints can be flexibly connected when the sound insulation board is assembled, vibration energy can be absorbed through flexible connection, force transmitted to a wallboard is reduced, structural damage is reduced, and cracking or falling caused by stress concentration can be avoided; and through cooperation of the wire pipes and the wire arrangement holes, wiring operation of workers in the later period is facilitated, and the situation that during wiring, the workers need to groove the surface of the sound insulation board manually, the overall structure is damaged, and the sound insulation and heat preservation performance is low is avoided.

The utility model discloses an active carbon dehydration technology field's centrifugal spin -dryer for active carbon dehydration, including drive base, the top of drive base is installed with centrifugal dehydration jar, and the both sides of drive base still are provided with drainage component respectively, and drainage component includes support box frame, and the top of support box frame is connected with filter part, and the top side of centrifugal dehydration jar is connected with sealing cover, and the inside of centrifugal dehydration jar is provided with centrifugal filter, and the power transmission connection between drive base and centrifugal dehydration jar and the centrifugal filter structure of the inside careful design of centrifugal dehydration jar, can rapidly and efficiently complete the dehydration treatment after active carbon water washing, and the tacit cooperation of the drive base of electrified operation with first connecting disc and second connecting disc, accurate drive centrifugal cylinder body carries out high -speed rotation, and under the action of the powerful centrifugal force of active carbon granule, the free water remaining in its inside and surface can be effectively spun out, realizes the non - destructive dehydration of active carbon granule.

This utility model discloses a precision parts sorting and packaging device, specifically relating to the field of parts sorting technology. It includes a support assembly, a movable assembly installed within the inner cavity of the support assembly, a limiting assembly installed near the center of the support assembly, a sorting assembly installed near the center of the limiting assembly, and a discharge assembly installed near the center of the support assembly. This precision parts sorting and packaging device, through its designed sorting and discharge assemblies, achieves rapid sorting, adapting to the needs of batch sorting of precision parts. It increases the number of sorting operations per unit time, ensuring overall process efficiency. Furthermore, the cylinder thrust can be precisely controlled by adjusting the air source pressure, allowing for the setting of appropriate thrust based on the part material and structural strength transmitted by sensors. This avoids deformation, breakage, or surface damage to parts due to excessive thrust, reducing the impact of impact vibration on precision parts.

The present application relates to the technical field of mineral material microcharacterization, and in particular to a method for dispersing clay mineral monolayer suitable for transmission electron microscope observation. The method for dispersing clay mineral monolayer based on stage alcohol intercalation and exfoliation comprises the following steps: dispersing clay mineral in deionized water to obtain a clay mineral suspension system by stirring; adding small molecule alcohol to the suspension system first and then adding macromolecular alcohol, and stirring to obtain a dilute dispersion system; performing ultrasonic treatment to make the clay mineral form a dispersion system mainly in monolayer or few-layer structure; dropping onto a carrier film for transmission electron microscope to make the lamella spread on the surface of the carrier film; and observing by using a transmission electron microscope. The present application is conducive to obtaining clay mineral monolayer samples with good dispersion and complete structure, and is suitable for morphology and structure characterization under transmission electron microscope.

This utility model relates to a ladle casting bottom structure, comprising: a permanent bottom lining, at least one layer of slag line bricks, a ring working lining, a nozzle seat brick, a permeable brick, a surrounding brick layer, a casting bottom lining, a casting interlayer, and a ring wall permanent lining. The beneficial effects of this utility model are: it solves the problem of brick joint erosion caused by molten steel impact; the structural improvements help improve construction efficiency and reduce maintenance costs; the structural improvements help improve steel yield; the structural improvements help improve structural strength and durability; the ladle casting bottom structure is primarily a movable bottom casting structure, which is convenient to construct and easy to repair, allowing for localized excavation and repair; in actual use, this ladle casting bottom structure has a long service life and can be used continuously for more than 80 steelmaking processes at once; this ladle casting bottom structure is suitable for bottoms constructed with shaped brick masonry.

The utility model relates to the technical field of steel structure assembly, and discloses an assembly type steel structure quick connecting assembly which comprises a first supporting cylinder, the outer wall of the first supporting cylinder is fixedly connected with a fixing plate, the interior of the fixing plate is fixedly connected with a fixing rod, and the outer wall of the fixing rod is rotationally connected with a first threaded rod. The outer wall of the first threaded rod is slidably connected with a connecting plate, a limiting groove is formed in the connecting plate, the outer wall of the first threaded rod is in threaded connection with a first rotating block, and fixing assemblies are arranged in the fixing block and the first supporting cylinder. According to the connecting device, the first threaded rod is driven to slide in the connecting plate, and the first rotating block is driven to rotate on the outer wall of the connecting plate, so that the connecting plate is limited and fixed on the outer wall of the first supporting cylinder, quick connection of steel structural members is realized, the construction period is greatly shortened, and the construction process is simpler, more convenient and quicker; and tighter and more accurate connection between the steel structural members is ensured.

The reinforced ceramic filter plate comprises a supporting layer, a transition layer and a surface functional layer which are sequentially arranged from bottom to top, and further comprises a metal net framework, the supporting layer, the transition layer and the surface functional layer take aluminum silicate fibers as reinforcing phases, and take silica sol, modified epoxy resin and nano kaolin as matrix phases; the content of Al2O3 in the aluminum silicate fiber is 45-55%, the content of SiO2 is 45-55%, and the diameter of the aluminum silicate fiber is 6-10 [mu] m; according to the invention, the metal net skeleton is additionally arranged to cooperate with fiber reinforcement, gradient layered structure design and low-temperature curing process, so that the preparation energy consumption is reduced, the filtering performance is improved, and the mechanical strength and impact resistance of the filter plate are further enhanced.

This utility model relates to the field of superhard tool manufacturing technology, and discloses an adjustable-angle superhard tool fixture for five-axis laser cutting. It includes a base, a mounting seat at the top of the base, and a clamping seat inside the top of the mounting seat. A side hole is provided inside the left side of the clamping seat, and a locking rod is rotatably connected inside the side hole. A side seat is provided on the left side inside the clamping seat. During use, this adjustable-angle superhard tool fixture for five-axis laser cutting has two separate clamping blocks inside the clamping seat. The main body is made of cemented carbide, and the outer clamping contact surface is coated with a ceramic coating. While providing high strength, the ceramic coating on both sides and the clamping block can be independently adjusted to a tilt angle of ±15°, adapting to the use of curved surfaces for machining workpieces with irregularly shaped tools, thus solving the problem of inconvenient clamping of some irregularly shaped tool workpieces.

The invention belongs to the technical field of seismic resistance of constructional engineering, and particularly relates to a triangular support sliding seismic isolation floor construction device which comprises a first building structure, a second building structure is arranged outside the first building structure, and the first building structure and the second building structure are in vertical lap joint. A galvanized iron plate is placed at the lap joint of the first building structure and the second building structure, and a galvanized triangular sliding iron frame is placed at the bottom of the galvanized iron plate. According to the invention, the turning plate and the galvanized triangular sliding iron frame are matched with each other to play a main role in an earthquake, so that the interaction between the first building structure and the second building structure is reduced, different parts of the first building structure and the second building structure possibly generate asynchronous vibration, and the galvanized iron plate and the galvanized triangular sliding iron frame are matched with each other, so that the vibration of the building is reduced. The gap between the first building structure and the second building structure allows the adjacent floors to move independently, structural damage caused by forced displacement is avoided, and the problem that the follow-up maintenance cost is high due to the fact that an existing seismic isolation seam is prone to dislocation and damage is solved.

The utility model belongs to the technical field of emergency guarantee, and particularly relates to an emergency guarantee portable house rebuilt after earthquake disasters, which comprises four frameworks I, the frameworks I are distributed in a rectangular shape, connecting pieces are fixedly connected between the adjacent frameworks I, the top ends of the connecting pieces are fixedly connected with supporting columns, and wallboards are fixedly connected between the adjacent supporting columns. A second framework is arranged on the top of the supporting column and provided with a protection mechanism. The protection mechanism is arranged to effectively protect the top of the portable house, the design of the inclined plate can disperse external impact force and reduce structural damage, compared with a flat-top portable house in the prior art, the risk of roof leakage is reduced, external heat can be effectively prevented from being transmitted into a room, the stability of indoor temperature is kept, and the service life of the portable house is prolonged. The anti-disaster capability of reconstruction of the portable house after an earthquake disaster is improved, and the living comfort is improved.

The application relates to a preparation method and application of a soapnut-based Fe / Mn-N co-doped hydrothermal carbon adsorbing antibiotic material, and the soapnut is washed and dried, ground, and 80-mesh screening is conducted during grinding to obtain soapnut powder; the soapnut powder, an Fe source and an Mn source are placed in a hydrothermal reaction kettle containing deionized water, and air drying is conducted at 170-180 DEG C for 10-15 h; after being cleaned by ultra-pure water filtration, the hydrothermal carbon is obtained by transferring the hydrothermal carbon to an oven for drying until the weight is constant, grinding by a maragda mortar, and 100-mesh screening; the hydrothermal carbon and urea are placed in a ball mill, and ball milling treatment is conducted at a speed of 500 rpm for 4.5-5.5 h to obtain the soapnut-based Fe / Mn-N co-doped hydrothermal carbon adsorbing antibiotic material. The preparation method is simple, low in cost and low in energy consumption; the prepared Fe / Mn co-doped hydrothermal carbon is loaded with nitrogen atoms after ball milling, the dispersity and stability of the hydrothermal carbon are improved, and the metal self-agglomeration is reduced.

This invention relates to the field of wind energy forecasting technology, and more particularly to a method, system, device, and storage medium for early warning of extreme offshore wind power events based on typhoon forecasting. The method includes acquiring real-time satellite cloud images; identifying and marking regions of typhoons in the satellite cloud images based on their morphological characteristics; obtaining the pixel coordinates of the centroid of these regions and converting them into actual latitude and longitude coordinates to obtain the typhoon's eye coordinates; acquiring infrared satellite cloud images; obtaining the maximum wind speed radius based on the typhoon's eye coordinates; and estimating the current maximum wind speed using a preset wind speed model; calculating the typhoon's short-term trajectory, future maximum wind speed, and maximum wind speed radius using a preset typhoon short-term dynamics integrated prediction model; and predicting the typhoon's impact on a designated location within a future timeframe using a preset typhoon physical model, and calculating the wind speed and direction at that location.

The utility model discloses an anti-bending wire and cable, which relates to the technical field of wires and cables and comprises a reinforcing core, an inner protective layer arranged outside the reinforcing core, a total shielding layer arranged outside the inner protective layer, corresponding mounting grooves arranged inside the total shielding layer and outside the inner protective layer, and a plurality of groups of support plates arranged inside the mounting grooves. A flexible assembly is arranged on the outer side of the supporting plate, a stripping layer is arranged on the outer side of the total shielding layer, a bending-resistant layer is arranged on the outer side of the stripping layer, multiple sets of mounting holes are formed in the bending-resistant layer, metal wires are arranged in the mounting holes, a honeycomb-shaped compression-resistant layer is arranged on the outer side of the bending-resistant layer, and a protection assembly is arranged on the side face of the compression-resistant layer. According to the utility model, through the elaborately designed internal structure and the selection of high-performance materials, the overall performance and reliability of the wire cable are effectively improved.

The utility model belongs to the technical field of safety protection, and particularly relates to a building safety protection device which comprises a supporting rod, pulley assemblies are arranged on the two sides of the supporting rod, a connecting rope is arranged at the guide end of each pulley assembly, a protection net is fixedly connected to the inner side of each connecting rope, and a buffering assembly is arranged at the other end of each connecting rope. A liquid passing hole is formed in the buffering end of the buffering assembly, jacking assemblies are arranged at the two ends of the inner side of the supporting rod, claw discs are arranged at the jacking ends of the jacking assemblies, a pressurizing assembly is arranged on the outer side of the supporting rod, and a third piston is arranged at the pressurizing end of the pressurizing assembly; according to the building safety protection device, the buffering assemblies are arranged at the connecting positions of the protection net and the supporting rods, so that external impact can be effectively absorbed, the impact resistance is enhanced, and structural damage is reduced. The stability of the protection device is improved, vibration transmission is reduced, and safety of buildings and personnel is protected.

The utility model belongs to the field of vehicle body suspension, and provides an electric vehicle limiting suspension device which comprises an axle, wheels arranged on the edge portions of the two sides of the axle, a fixing piece fixedly installed on the outer surface of the axle and close to the wheels, a plate spring fixedly installed on the top of the fixing piece, and a supporting bottom frame arranged on the upper surface of the axle and located above the plate spring. A supporting assembly is arranged in the middle of the top end of the plate spring and used for stably supporting the supporting bottom frame, a buffering mechanism is further arranged on one side edge of the supporting bottom frame and used for buffering and supporting the compartment, the buffering mechanism comprises a fixing groove, the fixing groove is formed in one side edge of the supporting bottom frame, and supporting shafts are installed in the fixing groove side by side. The supporting rubber piers are arranged at the top ends of the plate springs and fixed to the connecting plates at the bottom end of the supporting bottom frame through the iron plates, the weight of a carriage can be effectively borne, a stable supporting foundation is provided for the whole suspension device, and structural damage caused by uneven bearing is reduced.

The utility model discloses a bridge anti -collision guardrail connecting structure convenient to quick installation applies in traffic safety facility technical field, and the utility model discloses quick installation through mechanical interlock principle, only need to be inserted with each other when construction to the prefabricated guardrail unit alignment, can complete fixed connection, shortens the on -the -spot assembly time, and the simple installation, and the modular structure is convenient for transportation and post -stage maintenance replacement, and the construction efficiency has been effectively promoted and the traffic closure time has been reduced, the streamline curved surface converts the collision impact force into the dispersed energy, when the vehicle has the slight scratch, avoids the partial stress concentration caused by rigid collision, both reduces the guardrail structure damage, and reduces the vehicle maintenance cost, and its flexible buffering characteristic is especially suitable for urban bridge section.