12results about How to "Guaranteed quality and reliability" patented technology

The utility model discloses a recycled aggregate concrete raw material proportioning device, which relates to the technical field of concrete preparation and comprises a material storage tank, a control console mounted at the top end of the material storage tank, a connecting pipe mounted in the control console, a control box fixedly connected to the top end of the connecting pipe and connected with the top end of the material storage tank, a discharging box is fixedly connected into the control box, a feeding barrel is fixedly connected to the top end of the discharging box, a motor is installed on one side of the inner wall of the storage tank, the output end of the motor is connected with a first bevel gear, a spiral blade is rotationally connected to the inner wall of the feeding barrel, and the end, close to the motor, of the spiral blade is fixedly connected with a second bevel gear. According to the utility model, the spiral blade is matched with the switch assembly, so that different raw materials can be accurately discharged according to a set proportion, and the raw material proportioning accuracy of the recycled aggregate concrete is improved, thereby ensuring the quality stability and performance reliability of a final concrete product.

The application provides a multi-directional straightening machine for a main limb of an extra-high voltage iron tower, and relates to the technical field of metal profile correction. The machine comprises a work frame, a corrector for straightening the edge wings of the main limb, a straightener for straightening the corner of the main limb, and a self-adaptive supporting and conveying component for controlling the feeding of the main limb. The corrector can synchronously apply vertical pressing force and horizontal pulling force to the profile, which can straighten small-angle bent edge wings and avoid the overlapping or breaking of large-angle bent edge wings due to simple extrusion, effectively improving the efficiency and quality of straightening and reducing the rejection rate of angle steel. The straightener comprises straightening blocks and straightening plates, and the straightening blocks are equipped with detachable blocks, covering two structures of circular arc shape and right angle shape in multiple sizes, which can meet the straightening needs of different forms of main limb corners. The machine aims to solve the technical problems of deformation due to self-weight sagging during the straightening of the main limb of the extra-high voltage iron tower, difficulty in adapting to angle steel of multiple sizes, and easy secondary damage, and reduces manual intervention during the straightening process.

The invention discloses a new pollutant source analysis and dynamic risk quantitative evaluation method coupling APCS-MLR and PMF, and relates to the technical field of environment management, and the method comprises the steps: collecting pollutant concentration data of an environment sample, carrying out the preprocessing, and constructing a data matrix; based on the data matrix, operating each model to perform source analysis, extracting source analysis feature information, and matching pollution sources identified by each model to obtain a high-confidence source matching pair; based on the high-confidence source matching pair, fusing the source contribution concentrations of the two models to obtain a fused contribution concentration; based on the fusion contribution concentration, calculating ecological and human health risk values of each pollution source to obtain a source specific risk value, calculating a risk contribution rate of each pollution source, and outputting a high-risk source identification list; the method solves the problems that the accuracy and credibility of single model source analysis are insufficient, the source analysis result is separated from the risk assessment, and the high-risk pollution source is difficult to identify.

This invention relates to the field of tank processing technology, and discloses a tank bottom assembly, a tank, and a method for forming the tank bottom assembly. The tank bottom assembly includes a tank bottom and a transition ring. The transition ring is located at the open end of the tank bottom and is integrally formed with the tank bottom. The outer wall of the transition ring has a first step surface and a second step surface that are vertically arranged. The first step surface is arranged radially along the transition ring, and the outer edge of the second step surface away from the first step surface is inclined towards the outer wall of the tank bottom to form a guide slope. The tank includes a cylindrical section and the aforementioned tank bottom assembly. The method for forming the tank bottom assembly includes the following steps: fixing the outer ring of a constraint plate, and shearing and spinning the plate using a spinning wheel to obtain a first formed part; releasing the outer ring constraint and fixing the inner ring constraint, and flanging and spinning the outer ring using a spinning wheel to form a column section; machining a mating interface on the outer wall of the column section to obtain an integrally formed tank bottom and transition ring. The tank has better quality and lower processing costs.

This utility model discloses an enzyme production filtration device, including a shell. A material cylinder is fixedly connected to the top of the inner side of the shell, and a discharge pipe is fixedly connected to the lower surface of the material cylinder. A solenoid valve is fixedly connected to the top of the outer surface of the discharge pipe. Squeezing plates are respectively arranged on both sides of the filter bag, and the squeezing plates are equipped with driving components. The driving components are used to drive the two squeezing plates to move towards each other or away from each other. In this enzyme production filtration device, through the arrangement of hooks, filter bags, driving components, and squeezing plates, the filter bag is suspended on the outer surface of the hooks, which is convenient for installation and disassembly. When the enzyme is discharged, it falls into the inside of the filter bag, so that only purer enzymes can pass through. At the same time, the residue is separated from the fermentation liquid, which facilitates the collection of blocked impurities. The two sets of squeezing plates can squeeze the enzyme inside the filter bag and squeeze out the residual fermentation liquid to avoid waste and effectively improve the quality of enzyme production.

This invention discloses a method for constructing a dual-omics library based on single-cell whole-genome methylation and transcriptomics, belonging to the field of sequencing technology. The method includes: lysing single cells in a sorting tube pre-filled with lysis buffer; applying a nucleophilic coating to the inner wall of the sorting tube to allow cell nuclei to adsorb and obtain a supernatant containing mRNA; reverse transcribing the supernatant to obtain cDNA and constructing a transcriptome library; lysing the cell nucleus to release DNA and converting it to bisulfite; ligating the converted DNA with a molecularly tagged adapter to obtain methylation intermediates; treating with exonucleases; merging intermediates with different molecular tags; purifying with magnetic beads, single-stranding, ligating the other end with a sequencing adapter, and amplifying and purifying to obtain a methylated library. This invention achieves simultaneous separation of RNA and DNA in the same tube for library construction, reducing separation and transfer steps, minimizing RNA degradation and nucleic acid loss, and improving the throughput of methylation library construction and the consistency of dual-omics data.

The invention relates to the technical field of computer vision, and discloses an image data enhancement preprocessing system for gesture recognition, which comprises an image acquisition unit, a data enhancement unit, a feature extraction unit and a preprocessing output unit. The image acquisition unit receives multi-source input of visible light, infrared and depth sensors and the like, and performs de-weighting and resolution calibration; the data enhancement unit implements geometric transformation and color adjustment based on gesture features; the feature extraction unit identifies contour edges, textures and joint points; and the preprocessing output unit verifies the data quality and packages and outputs the data in a standardized manner. According to the system, through multi-source data fusion, semantic perception enhancement and multi-dimensional feature extraction, the training data quality of a gesture recognition model is remarkably improved, the problems of data isomerism, feature distortion and the like in a traditional method are solved, and the system has the advantages of being high in processing efficiency and adaptability.

An electromagnetic trip unit includes a housing, within which a coil assembly, armature, magnetic yoke, support, and magnet are assembled. The magnetic yoke cooperates with the coil assembly to drive the armature. The housing also includes a limiting component and a buffer mechanism. The support, magnetic yoke, and magnet are fixedly connected to the limiting component to form a magnet assembly. The magnet assembly is located between the buffer mechanism and the bottom wall of the housing. The top side of the buffer mechanism is limited by the top wall of the housing, and the bottom side of the buffer mechanism has a first clamping structure. The first clamping structure, in conjunction with the magnet assembly, causes the magnet assembly to be interference-fitted between the clamping structure and the bottom wall of the housing. A circuit breaker, including an electromagnetic trip unit, is also included. This invention's electromagnetic trip unit and circuit breaker, through the fixed connection of the support, magnetic yoke, and magnet to the limiting component to form an integrated magnet assembly, feature a miniaturized and modular assembly design, achieving automation feasibility. Furthermore, the interference fit of the buffer mechanism and the bottom wall of the housing ensures reliable fixation of the magnet assembly.

The application discloses a portable moped battery structure and a use method thereof, and belongs to the technical field of batteries, wherein the inner side of a front cover and a rear cover is provided with a bottom shell bone position groove, the inner sides of the front cover are respectively provided with a support B and a support A, the support B and the support A are provided with a battery cell, the outer ends of the support B and the support A are provided with a limiting support rod, the outer sides of the support B and the support A are symmetrically provided with the bottom shell bone position groove, the inner circle of the front cover and the rear cover is provided with a positioning mutual sleeve, the positioning mutual sleeve in the middle end of the front cover and the rear cover is provided with a pin, the structure strength of the two side surfaces of the battery is enhanced, the battery PACK part is prevented from being squeezed when the battery is subjected to a squeezing test, and thus the safety and reliability of the battery are ensured, the support A and the support B are positioned by means of a screw column mutual sleeve positioning structure, there are eight locking screws in the whole circle, the drop resistance of the battery pack is enhanced, the PACK structure reliability of the battery is enhanced, the battery is convenient, fast and efficient to install, the bottom of the battery cell support A and the bottom of the battery cell support B are provided with a U-shaped positioning structure which is inserted into the bottom shell bone position groove and is provided with a mutual embedding structure.

The invention discloses a pressure generating device used in ultrahigh vacuum and ultralow temperature environments, which comprises a supporting base, a fixed sliding rail is arranged at the upper end of the supporting base, a front-back through sliding groove is formed in the middle of the fixed sliding rail, fixed blocks are arranged at the front end and the rear end of the fixed sliding rail, and the fixed blocks are connected to the supporting base through fixing bolts. And two pressure transmission supporting blocks are symmetrically installed in the sliding groove in the left-right direction, pressing blocks are detachably installed at the adjacent ends of the two pressure transmission supporting blocks, the middles of the two fixing blocks are rotationally connected with pressurizing screw rods, and the pressurizing screw rods are in threaded connection with the pressure transmission supporting blocks. The fixed sliding rail, the fixed block, the pressure transmission supporting block and the pressing blocks are arranged on the supporting base, the two pressing blocks press and pressurize a sample by rotating the pressurizing screw rod, and under the condition that the space of an ARPES cavity is extremely limited, research on the phenomena of pressure-induced energy band change, structural phase change and the like can be conveniently carried out; the sample surface quality and the data reliability are ensured.

The application discloses a kind of domestic waste incineration slag brick making devices, the side of mounting bracket is provided with driving motor, the rotating end of driving motor is connected with driving wheel, driving wheel is connected with driven wheel by transmission belt and transmission, the input shaft end of driven wheel is connected with the input shaft end of speed reducer, the output shaft end of speed reducer is connected with stirring and pushing mechanism transmission;Mounting bracket is also provided with additive filling mechanism, additive filling mechanism is transported additive to stirring and pushing mechanism by pipeline, additive and incineration slag are stirred and mixed preformed product, and preformed product is pushed outwards by the discharge port of stirring and pushing mechanism.The application also discloses a kind of about domestic waste incineration slag brick making device production method, relative to prior art, the technical scheme of the application can effectively improve the working efficiency of incineration slag brick making process and ensure the quality reliability of product.

The invention relates to an embedded bar stiffener and a use method thereof. The embedded bar stiffener comprises a stiffener body, a plurality of small bags and a bag filling material, the reinforcing strip body is made of a fiber reinforced composite material; the small bags are located on the upper surface of the reinforcing strip body and evenly distributed in the length direction of the reinforcing strip body at intervals, closed cavities are formed in the small bags, and uneven indentations which are evenly distributed are arranged on the surface of the reinforcing strip body except the small bag areas. A cavity of the small bag is filled with the in-bag filling material, and the in-bag filling material is an efficient getter. The specific indentations are designed on the surface of the reinforcing strip body, so that the contact area and the mechanical occlusal force between the reinforcing strip body and the embedded steel bar glue are greatly increased, and the relative slippage between the glue and the reinforcing strip is effectively prevented. The small bag is slightly broken due to extrusion or colloid reaction heat, the getter is released, residual moisture and air in the hole and bubbles generated by curing can be actively and rapidly absorbed, and the hidden danger of interface bonding failure caused by hollowing and moisture is fundamentally eliminated.