207results about How to "Effective fit" patented technology

The invention relates to the field of image processing, in particular to a remote sensing image panchromatic sharpening method and a model training method and system. The training method comprises the steps that panchromatic-spectrum fusion features of a panchromatic image and a multispectral image and time information serve as prior information, and the prior information and a diffusion noise-added image are input into a diffusion model so that a fitting noise-added image can contain more panchromatic information and spectrum information; predicting the diffusion noise adding image and the panchromatic space-spectrum fusion feature through a Transform module so as to generate a reconstructed difference image in which complete panchromatic information and spectrum information are reserved; the method has remarkable advantages in the aspects of noise suppression and detail enhancement, and a multispectral image with more sufficient spectral information and spatial information can be generated.

The invention discloses a virtual power plant planning-operation two-stage distribution robust optimization method based on scene driving, and the method comprises the steps: S1, building a capacity configuration model and a master-slave game model based on a master-slave game framework of a power supply, a load and energy storage; s2, considering the correlation and uncertainty of fan and photovoltaic output to construct an uncertainty set of wind and light output probability distribution, and generating a plurality of typical scenes through a sampling and clustering algorithm; s3, performing comprehensive norm constraint on the confidence interval of the uncertain set under the driving of a typical scene, and establishing a distribution robust optimization model of the virtual power plant in two stages of planning and operation, wherein the distribution robust optimization model considers uncertainty; wherein the distributed robust optimization model comprises a capacity configuration model and a master-slave game model; and S4, solving the distribution robust optimization model containing the master-slave game model based on the modified Kriging model and a column and constraint generation algorithm. By utilizing the method, the influence of uncertainty on the planning rationality and the operation economy of the virtual power plant can be reduced.

The invention discloses a battery remaining life prediction method, device, equipment and medium, and relates to the technical field of new energy, the method comprises the following steps: obtaining charge-discharge cycle data of a lithium battery to be detected, preprocessing the charge-discharge cycle data, and extracting capacity sequence characteristics in the charge-discharge cycle data; inputting the capacity sequence characteristics into a trained battery residual life prediction model to obtain the residual battery capacity of the lithium battery to be detected after each charge-discharge cycle output by the battery residual life prediction model; determining the number of charge-discharge cycles required when the residual battery capacity of the lithium battery to be detected reaches the preset capacity; and determining the residual battery cycle life of the current charge-discharge cycle according to the charge-discharge cycle times and the charge-discharge cycle times corresponding to the current charge-discharge cycle. According to the method, the key feature information of the data is effectively enhanced, so that the battery residual life prediction model has robustness and higher prediction precision on the prediction of the battery residual cycle life.

The invention discloses a heavy metal contaminated soil ecological risk assessment method, and belongs to the technical field of pollution assessment, and the method specifically comprises the steps: dividing a to-be-detected contaminated region into a plurality of grids, collecting indexes in soil of each grid intersection point, and calculating a pollution risk score of each grid intersection point; interpolation data fitting is carried out in the grids through a radial basis function interpolation method, and a contour map of the pollution risk scoring map is generated; selecting a contour line with the maximum numerical value in the contour map, marking the contour line as an initial contour line, determining an initial connection point, sequentially searching an end point connection point, which is longest from the initial connection point of the current contour line, in next-level contour lines, connecting all connection lines, and marking an obtained line segment set as a heavy metal pollution path. Corresponding heavy metal pollution treatment measures are taken according to the soil pH value, the soil ventilation capacity and the soil water content distribution condition in the pollution path; according to the invention, the serious pollution area and the diffusion trend can be clearly identified.

The invention belongs to the technical field of hydrogel materials, and discloses a carboxylated chitosan modified silicone hydrogel contact lens material and a preparation method thereof. The preparation method comprises the following steps: mixing a siloxane monomer, a zwitterionic monomer, a first cross-linking agent, an initiator and a first organic solvent, and carrying out polymerization reaction to obtain silicone hydrogel; and mixing the silicone hydrogel, carboxylated chitosan, a second cross-linking agent and a second organic solvent, and carrying out a cross-linking reaction to obtain the carboxylated chitosan modified silicone hydrogel contact lens material. The zwitterionic monomer is introduced into the siloxane monomer polymerization process, and the carboxylated chitosan is adopted to modify the silicone hydrogel, so that the protein adsorption resistance and antibacterial property of the contact lens material are effectively improved. Meanwhile, the raw materials are wide in source, the preparation method is simple and easy to operate, and large-scale industrial production can be achieved easily.

The invention relates to a new energy GCI dq impedance acquisition method based on a BKA-BiLSTM model, and the method comprises the following steps: firstly, carrying out the mechanism modeling of a new energy grid-connected inverter based on the Norton's theorem, and analyzing the nonlinear mapping relation between the equivalent dq impedance of the new energy GCI and the port characteristics; secondly, establishing a new energy unit grid-connected system simulation model by utilizing MATLAB / Simulink software, and acquiring a data set required by BiLSTM neural network training under various working conditions; secondly, training a BiLSTM neural network by utilizing simulation data, and optimizing hyper-parameters of the BiLSTM by adopting a black-wing optimization algorithm (BKA); and finally, an RT-LAB hardware-in-loop test technology is combined with a small perturbation method to scan impedance characteristics of the GCI, and an actual impedance value required by model verification is obtained. Through example simulation analysis, the correctness of the GCI dq impedance identification method provided by the invention is verified.

The invention relates to the technical field of vaccine dynamic evaluation and early warning, in particular to a method for constructing a vaccine dynamic evaluation and early warning model based on multi-source data. The method comprises the following steps: acquiring multi-source clinical medical data of a vaccinator through a medical management system, and carrying out time sequence sorting processing on the data to form a sorted data set; and then, in combination with vaccine adverse reaction prompt data, analyzing the delay influence of the vaccination abnormal reaction, evaluating the abnormal reaction delay difference of individuals, and identifying susceptible population. And based on a support vector machine algorithm, constructing a vaccine risk dynamic early warning model for identifying vaccination reaction risk factors, and feeding back a result to the terminal. Finally, vaccine risk dynamic early warning firmware is designed and embedded into a medical management system, and dynamic evaluation and early warning after vaccination are achieved. According to the method, the vaccine dynamic evaluation and early warning technology is optimized, so that the vaccine dynamic evaluation and early warning technology is more perfect.

The invention belongs to the technical field of medical instruments, and particularly relates to a reflux valve stent. A reflux valve support comprises a plurality of retaining parts and a plurality of positioning parts, one retaining part corresponds to one positioning part, the outflow end of each positioning part is fixedly connected with the outflow end of the corresponding retaining part, and the inflow end of each retaining part is provided with an anchoring part; a plurality of barbs are arranged in the circumferential direction of the anchoring part, and the free ends of the barbs are opposite to the inflow end of the positioning piece. According to the design that the inflow end of the positioning piece corresponds to the barbs, the inflow end of the positioning piece and the barbs clamp the aortic valve ring at two opposite positions in the axial direction, a two-way fixing structure is achieved, and the purpose that the aortic valve ring is well clamped through the positioning piece and the barbs is effectively achieved.

The invention belongs to the field of crawler belt core gold production, and provides a feeding device for crawler belt core gold production, which comprises a workbench, the upper end face of the workbench is fixedly connected with an inclined guide plate, the upper end face of the workbench is connected with a positioning groove, the positioning groove is arranged on one side of the guide plate, a plurality of guide holes are arranged on the positioning groove, and the guide holes are communicated with the guide plate. A thrust assembly is arranged on the side, away from the positioning groove, of the material guide plate, the thrust assembly can be fixed to the crawler belt core metal in a magnetic attraction mode and can push the crawler belt core metal to move in the direction of the positioning groove, and a guide assembly is arranged between the material guide plate and the positioning groove. According to the invention, the electric telescopic sleeve pushes the positioning seat to apply pressure to all the track core metals in a vibrating manner, so that the two ends of each track core metal are released from abutting against the inner walls of the positioning grooves; and meanwhile, an air pump is started to induce air into the lifting seat, and particles between the crawler belt core metals are brought out from the guide holes through wind power, so that all the crawler belt core metals are aligned and positioned.

The invention provides a display panel, a manufacturing method thereof and a display device, and relates to the technical field of display. The display panel is provided with a display area and a virtual area located on the periphery of the display area. The display panel comprises a first substrate; the modification layer is positioned on one side of the first substrate; the lens layer is located on the side, away from the first substrate, of the modification layer and comprises a display lens located in the display area and a virtual lens located in the virtual area, and the thickness of the display lens is larger than that of the virtual lens; the second substrate is located on the side, away from the first substrate, of the lens layer. In the embodiment of the invention, the modification layer is arranged on the first substrate, and the micro-lens array is manufactured on the modification layer, so that the thickness of the display lens in the display area is greater than that of the virtual lens in the virtual area, namely, the surface of the display lens in the display area protrudes out of the surface of the virtual lens in the virtual area; therefore, the effective contact between the display lens and the second substrate is ensured, and the effective attachment of the micro-lens array is ensured.

The invention belongs to the technical field of flow measurement, and particularly relates to a high-precision liquid flow measurement method and device which comprises a pipeline and a measurement assembly. A mounting pipe is arranged at the bottom of the pipeline; a slag outlet is formed in the bottom of the mounting pipe; the measuring assembly comprises a mounting column; a notch is formed in the top of the mounting column; a groove is formed in the middle of the notch; a mesh enclosure is fixedly connected to the interior of the groove; one end of the mounting column is fixedly connected with a sleeve; the outer side of the sleeve is fixedly connected with a hand wheel; the interior of the sleeve is fixedly connected with a flow meter; and a probe of the flow meter extends into the mesh enclosure. The positions of the mesh enclosure and the probe can be switched by rotating the hand wheel, on one hand, the mesh enclosure can be conveniently replaced or the probe can be conveniently overhauled, and on the other hand, the mesh enclosure is rotated to the outside of the pipeline when the mesh enclosure is cleaned, so that cleaned impurities can be outwards guided out through the slag outlet and cannot return to the inside of the pipeline again, and the cleaning efficiency is improved. And secondary pollution to conveyed liquid is prevented.

The utility model discloses a pipeline desilting pressure water pipe protection device in the technical field of water pipes, which comprises a working table, foot stands are uniformly arranged on the lower end face of the working table, a sliding groove is formed in the middle of the upper end face of the working table, and a bidirectional threaded rod is rotatably connected to an inner cavity of the sliding groove through a bearing. Two symmetrical sliding blocks are in threaded connection with the exterior of the two-way threaded rod, electric push rods are arranged in the upper end faces of the sliding blocks, and the electric push rods are fixedly connected with clamping blocks through output shafts; the water pipe dredging device solves the problems that when a water pipe is dredged, the water pipe cannot be effectively clamped and protected, and the surface of the water pipe is prone to being abraded.

The utility model discloses a urine collection device for urinary surgery, which relates to the technical field of urine collection for urinary surgery and comprises a urine collection tank, universal wheels are fixedly mounted below the urine collection tank, a three-way pipe is fixedly mounted at the top of the urine collection tank, a pipe hoop is fixedly mounted at the top of the three-way pipe, a drainage pipe is clamped in the pipe hoop, and a drainage pipe is arranged in the drainage pipe. A flow divider is fixedly installed in a three-way pipe, a sampler is slidably installed at the output end of the flow divider, the output end of the three-way pipe is communicated with a urine collecting box, a fixing plate is fixedly installed in the urine collecting box, a negative pressure fan is fixedly installed in the fixing plate, and the negative pressure fan is electrically connected with an external power source. According to the urine collection device, urine smell can be cleaned, urine can be collected in real time, the urine detection accuracy is improved, the whole sampling process is sealed, and the urine smell is prevented from overflowing.

The wearable lumbar and dorsal muscle training detection device comprises side bandages arranged on the two sides of the waist, the side bandages are connected through elastic bands, and hard plates are fixed to the front ends of the side bandages. Extension plates are upwards arranged on the rear sides of the side bandages, and detection motor pieces corresponding to the erector spinalis are evenly installed on the inner sides of the extension plates and used for detecting the stress states of the left erector spinalis and the right erector spinalis in the training process. A tightness observation mechanism is arranged on the outer side of the hard plate on one side and comprises a fixed box, a sliding plate, a boss, a sliding groove, a spring and an indication line, and the wearing tightness degree is visually displayed through the position change of the sliding plate. A tightening mechanism is arranged on the outer side of the hard plate on the other side and comprises a supporting plate, a rotating shaft, a rotary knob, an inclined plate, a torsional spring and a wedge-shaped groove matched with the connecting belt, tightening and fixing of the connecting belt are achieved through a one-way limiting structure, and locking is controlled to be released through the rotary knob so as to achieve quick detaching.

A power supply shell waterproof device comprises an upper shell, a lower shell, a power cord, and a waterproof component. The waterproof component is formed integrally by a sealing position and a shell sealing position connected end to end. A joint is provided on the power cord, and is sealed and sleeved in the sealing position through the joint. An upper waterproof rib is provided on the upper shell, and is sealed and pressed above the sealing position and the shell sealing position through the upper waterproof rib. A lower waterproof rib is provided on the lower shell, and is sealed and pressed below the sealing position and the shell sealing position through the lower waterproof rib. The present invention not only increases the contact position between the upper shell, the lower shell, the joint, and the waterproof component after assembly to form more fitting surfaces through the improvement of the above structure, but also avoids the gap formed by the upper shell, the lower shell, the joint, and the waterproof component after assembly, thereby completely preventing water vapor or moisture from entering the interior of the upper shell and the lower shell, greatly improving the waterproof performance of the power supply shell, not only achieving the maximum waterproof effect, but also correspondingly improving the use safety and service life of the power supply shell.

The utility model discloses a novel cold compress facial mask assembly which can meet the butt joint of a facial mask body and protective cloth, can independently replace the facial mask body or the protective cloth, can visually and effectively feed back the temperature condition of the facial mask body, can effectively fit the face of a patient, and improves the cold compress effect. According to the technical scheme, the mask is characterized by comprising a mask body and protective cloth, the mask body comprises a first butt joint face and a display face, the protective cloth comprises a second butt joint face and a skin-friendly face, the first butt joint face is detachably connected with the second butt joint face through an adhesion structure, and a plurality of temperature sensing parts used for detecting and feeding back temperature are arranged on the display face. The protective cloth can effectively isolate heat on the face of the patient, so that the sanitary condition of the face of the patient is protected, and the treated part is prevented from being over-stimulated or infected; according to the cold compress mask, medical staff can visually and clearly know the temperature condition of the mask body, so that the cold compress effect on a patient is maintained by replacing the mask body, and the patient is helped to recover more quickly.

The invention relates to a vacuum furnace heating belt hanging device, and belongs to the technical field of vacuum furnaces. Comprising a mounting frame, a furnace body is connected to the mounting frame in a rolling mode, a feeding bin used in cooperation with the furnace body is further fixedly connected to the mounting frame, a bin door is hinged to the side, away from the furnace body, of the feeding bin, and a mounting cylinder used for heating materials is integrally arranged on the side, close to the furnace body, of the feeding bin. Through cooperation of the fixed clamping base and the movable clamping base, rapid installation of the heating belt is completed, meanwhile, the heating belt can be stretched and positioned, the heating belt can be effectively attached to the inner wall of the annular groove, and the heating effect is improved; by adjusting the position of the movable clamping seat, the heating belts with different lengths can be installed, and the using flexibility of the whole equipment is improved; and the heating belt is pressed and mounted through the pressing piece, so that the mounting cylinder can be subjected to fitting heating, excessive tensioning of the heating belt can be avoided, deformation can be better adapted, cracking is avoided, and the service life is prolonged.

The invention discloses a water-swelling elastic plugging agent for a water-based drilling fluid and a preparation method of the water-swelling elastic plugging agent. The water-swelling elastic plugging agent comprises the following components in parts by weight: 100 parts of a polyolefin elastomer matrix material; 15 to 20 parts of a reinforced matrix material; 0.8 to 1.5 parts of a polyolefin elastomer matrix material cross-linking agent; 8 parts to 15 parts of a reinforcing agent A; 20 to 30 parts of a reinforcing agent B; 15 to 30 parts of super absorbent resin; 15 to 20 parts of a plasticizer; 0.2 to 0.8 part of an isolating agent; 0.5 to 1 part of an anti-aging agent; the plugging agent provided by the invention is simple in preparation process, not only is beneficial to industrial production, but also is convenient to prepare plugging slurry on site, can achieve a good plugging effect, and provides an effective technical means for well leakage treatment.

The surface polishing equipment for boiler manufacturing comprises a base, a stand column is vertically installed on one side of the top end of the base, the other end of the stand column is fixedly connected with a top beam, a first air cylinder is distributed on one side of the stand column, and a lifting base is fixedly installed at the top end of the first air cylinder; a guide block is arranged on the side wall of one end of the lifting base, a second air cylinder is arranged on the inner side wall of the lifting base, and the other end of the second air cylinder is fixedly connected with an adjusting plate. By means of combined use of a first air cylinder, a second air cylinder, a first motor and a clamping seat, the position of the boiler can be limited and clamped according to the actual use requirement, by means of cooperation of the first motor, subsequent overturning of the boiler can be conveniently achieved, and then the boiler can be conveniently polished conveniently when the boiler is polished subsequently. And therefore, the grinding efficiency of the whole device and the practicability of the whole device are improved.

This invention discloses an electro-permanent magnet chuck, belonging to the field of chuck technology. The electro-permanent magnet chuck includes a support base, a top plate above the support base, and several fixed rods circumferentially connected between the support base and the top plate. A lifting ring is located at the top of the top plate. A lifting assembly is located between the support base and the top plate. Several connecting boxes are circumferentially distributed on the outer side of the support base. The connecting boxes and the lifting assembly are connected via an adjusting assembly. Each connecting box has two movably mounted electromagnetic chuck modules at its bottom for contacting the surface of the part to be lifted. A self-adjusting assembly is located between the connecting box and the electromagnetic chuck modules. This chuck features flexible and stable lifting, effective folding, flexible adjustment, automatic adjustment, and the ability to meet the contact requirements of different shaped surfaces of the part to be lifted. It is structurally reliable and simple to use.

The utility model relates to the technical field of plastic film tensioning mechanisms, and discloses a tensioning device for plastic film printing, which comprises a conveying support and a counterweight ring, a conveying roller group is mounted on one side wall of the conveying support, a fixing support is arranged on the front side of the conveying roller group, a positioning hole is formed in the upper end of the fixing support, and the counterweight ring is arranged in the positioning hole. A rocker is arranged on the rear side of the positioning hole, a positioning shaft is installed in the middle of the rocker, fixing shafts are installed on the rear sides of the two ends of the rocker, and hanging rods are installed on the front sides of the two ends of the rocker. When a plastic film is conveyed in the conveying roller, a balance weight ring is hung on a hanging rod at one end of the rocker, the rocker inclines under the action of the balance weight ring, in the inclining process, the roller sleeves at the two ends are matched with the conveying roller set to tension the plastic film, due to the arrangement of the balance weight ring, the roller sleeves can be effectively attached to the plastic film, and under the action of the balance weight ring, the plastic film can be effectively attached to the conveying roller set. The tensioning mechanism can react quickly, and frequent tensioning adjustment is not needed.

The utility model discloses an unwinding control system for composite spunlace cloth production, which relates to the technical field of spunlace non-woven fabric production equipment and comprises a controller, an unwinding platform, a drawing machine, a first web outlet curtain, a long conveying curtain, an inclined curtain, a second web outlet curtain, a web conveying curtain, a spunlace machine, an unwinding machine and a carding machine. A tension roller, a cloth guide roller I, a cloth guide roller II and a cloth guide roller III are arranged between the unreeling machine and the carding machine, a tension sensor is arranged on the tension roller, a drafting roller set is arranged above the inclined curtain, a pressing roller is arranged behind the second web outlet curtain, and the controller is in control connection with the infrared sensor, the tension sensor and the motor. And the tension roller, the cloth guide roller I, the cloth guide roller II, the cloth guide roller III, the pressing roller and a driving mechanism of the spunlace machine are respectively in control connection with the tension roller, the cloth guide roller I, the cloth guide roller II, the cloth guide roller III, the pressing roller and the spunlace machine, so that the problems that in the prior art, when composite spunlace cloth is produced, a coiled material is prone to wrinkling, breaking and stacking, the coiled material and a cotton web are instable during compositing, and the product quality is affected are solved.

The utility model relates to the field of analytical instruments, and discloses a urine specimen centrifugal device which comprises a centrifugal tube containing a urine specimen, the centrifugal tube comprises a tube body with the upper diameter identical to the lower diameter, and a separation plug is connected in the tube body in the length direction. The separating plug divides the pipe body into a first cavity and a second cavity and seals the first cavity and the second cavity. The centrifugal tube is divided into the first chamber and the second chamber through the separation plug, during use, a patient puts urine into the first chamber, and even if the patient fills the first chamber, an analyst can move the separation plug towards the second chamber, so that the accommodating volume of the first chamber is enlarged, the liquid level in the first chamber is reduced, and the urine in the first chamber is separated from the urine in the second chamber. The urine is prevented from splashing when an analyst opens the cover.

The utility model discloses a liquid heater belongs to the field of life electric appliances, has solved the problem that the low strength of flexible PCB board easily deforms and leads to component false welding, and the technical scheme of solving this problem mainly includes glass kettle body, the outside wall of glass kettle body is equipped with flexible detection board and circuit board support, and the end angle of flexible detection board is equipped with the end angle reinforcing position of increasing strength, and the both longitudinal sides of flexible detection board are equipped with the side reinforcing position of longitudinal extension, and circuit board support is pressed in the end angle reinforcing position and side reinforcing position, and flexible detection board is pressed and is installed in the outer wall of glass kettle body. The utility model is mainly used for improving the strength of flexible PCB board to improve the reliability of flexible PCB board.

The utility model discloses an ergonomic dining chair with an angle adjusting function, which is characterized by comprising a base, a telescopic rod component, a chair seat frame, a chair seat cushion, a back frame, a chair backrest, a chair back connecting mechanism and a swinging reed, the chair seat frame is telescopically mounted above the base through the telescopic rod assembly; the chair seat cushion is detachably mounted on the chair seat frame; the back frame is vertically fixed on the rear side of the chair seat frame; the bottom end of the swinging reed is fixedly mounted on the chair back connecting mechanism; the chair back connecting mechanism is rotatably mounted below the back frame; and the chair backrest is mounted on the swinging reed and can swing back and forth relative to the chair back connecting mechanism. A linkage adjusting mechanism of the telescopic rod assembly and the chair back connecting assembly can meet the sitting posture requirements of people with different heights, the height of the chair seat and the inclination angle of the backrest can be adjusted and adapted, a dynamic function meeting the natural rhythm requirements of a human body is provided, and proper swinging movement can promote blood circulation and improve the long-time sitting comfort.

The utility model relates to the technical field of joint beautifying, concretely is joint beautifying integrated glue filling and scraping tool, including fixed part and the scraping part of setting on fixed part, the fixed part is used for installing on the gun head of glue gun, the end of scraping part is arc edge structure, and is located V type glue leakage mouth in scraping part end, and is located V type glue leakage mouth position in scraping part in -close setting has the pressure block, this joint beautifying integrated glue filling and scraping tool, through the integration of glue filling and scraping function in one, reduced the step needing to change tool in traditional craft, simplified the operation process, improved the efficiency of joint beautifying construction significantly, in addition, through the fixed part installation on the gun head of glue gun, realize convenient connection with glue gun, and the arc edge structure and V type glue leakage mouth design of scraping part end, can make glue material even flow, and the opening direction of fixed part can accurate control glue direction.

The invention discloses a centrifugal fan with a three-dimensional flow impeller and a using method thereof.The centrifugal fan with the three-dimensional flow impeller comprises a fan volute and a three-dimensional flow impeller body rotationally arranged in the fan volute, and a variable air outlet flow guide part is arranged in the fan volute; the memory metal plate is tightly attached to the inner wall of the volute-shaped air guide plate and is attracted and fixed to the first strong magnetic piece, at the moment, the curvature of a flow channel in the whole fan volute is in the maximum design range, strong airflow smoothly and slowly transits to an air outlet to be exhausted along the inner wall of the memory metal plate, and the vortex and airflow howling conditions are effectively avoided. When the air speed is reduced to be lower than the preset air speed, the whole memory metal plate deforms inwards, so that the worm-shaped air guide plate and the memory metal plate form a guide channel with larger curvature, low-speed air flow can be quickly guided to be discharged from the air outlet, air outlet is more concentrated, and return air turbulent flow is prevented from being formed at the air outlet.

The present invention relates to the technical field of tunnel trolleys, specifically to a tunnel trolley with an adjustable load-bearing foot suspension, comprising a trolley frame, a lifting device and an auxiliary support device, the trolley frame comprising a pair of bottom beam seats and multiple groups of support columns connected to the two bottom beam seats, a lifting device is arranged between the bottom of the support base and the bottom beam seat, and an auxiliary support device is arranged at the intervals between each group of support columns on the bottom beam seat, with beneficial effects as follows: in the auxiliary support device of the present invention, the telescopic rod of the hydraulic cylinder is extended by controlling the support foot adjustment until the support chassis contacts the ground for support, at which time the auxiliary support device performs auxiliary support on the trolley frame to ensure the stability of the trolley frame during construction, and the adjustment and control operation of the auxiliary support device is convenient; a hinged ball end is arranged at the lower end of the support block, and the hinged ball end is hinged to the upper end of the support chassis, so that the support chassis can be rotated arbitrarily within a certain angle range to ensure the effective fitting of the support chassis with the uneven bottom surface.

The present invention relates to the field of oxygen mask cleaning, and more specifically, to a cleaning and drying device for aviation oxygen supply masks. The device comprises an outer shell, a water storage component is arranged inside the outer shell, an outer auxiliary component is arranged inside the water storage component, an inner auxiliary component is arranged inside the outer auxiliary component, and a disturbance component is arranged inside the inner auxiliary component. By arranging the water storage component to store water flow, the water flow can pass through the outer auxiliary component and mix with the mask on the surface of the inner auxiliary component. The main function of the inner auxiliary component is to ensure that the mask rotates in a cavity formed by the outer auxiliary component and the inner auxiliary component. In this process, the mask will fit tightly against the inner side of the outer auxiliary component, thereby generating friction. This physical action simulates the traditional hand washing and rubbing action, effectively loosens and removes dirt on the mask, replaces the traditional manual brush, saves cleaning time and improves cleaning efficiency.

This utility model relates to a regulating valve with a measuring mechanism, belonging to the technical field of regulating valves. It includes a regulating valve body, a filter element inserted into the lower right end of the regulating valve body, the filter element having multiple filter holes on its surface, a measuring mechanism located on the right side of the regulating valve body, and a regulating mechanism for adjusting the liquid flow rate located on the lower side of the regulating valve body. The measuring mechanism includes a fixed seat fixedly connected to the right side of the regulating valve body. This regulating valve with a measuring mechanism, by inserting and securing the filter element to the liquid inlet side of the lower right end of the regulating valve body, effectively conforms to the outer surface of the liquid inlet. When liquid passes through, the filter holes on the surface of the filter element filter the liquid, removing residual impurities or particles, thereby effectively improving the service life of the regulating valve body and preventing jamming of the valve core or seat.