65results about How to "Increased persistence" patented technology

The invention discloses a segmented combined type worm grinding wheel based on spiral surface structuring and a laser finishing method, and belongs to the technical field of precise gear grinding. The working surface of the inner side of a spiral tooth groove of the worm grinding wheel at least comprises a section of structured area and a section of unstructured area in the axial direction; the structured area is provided with a crescent groove used for forming a grinding fluid storage and abrasive dust discharge channel in the grinding process. And the unstructured area keeps a continuous grinding surface and is used for finishing the surface of the machined workpiece in the structured area. According to the method, the laser processing head is controlled through multi-axis linkage to accurately describe an arc-shaped processing track in a spiral expansion coordinate system, the morphology consistency and the space precision of grooves are guaranteed, and the manufactured worm grinding wheel has good cooling, chip removal and accurate grinding performance and is suitable for high-efficiency and high-precision gear manufacturing.

The invention discloses a biological agent for preventing and treating panax notoginseng root rot, and relates to the technical field of biological prevention and treatment, the biological agent is composed of four layers of functional florae: an A layer of sentinel-decoding flora is used for identifying a pathogen quorum sensing signal and is used as an event trigger source, a B layer of metabolic countering flora is used for decoupling conversion of disease-promoting saponin and controllable release of a metabolic false substrate, and a C layer of functional florae is used for controlling root rot of panax notoginseng. The C-layer self-healing conductive biological membrane construction flora forms a biological membrane with conductivity and self-healing capability on the root surface, and the D-layer electrically-enabled flora constructs stable biological micro-current at the rhizosphere by using ferric oxide particles as external electron acceptors. The layer A triggers to cause controlled release of the layer B, a conversion product of the layer B provides a carbon source and a structural unit for the layer C, and a conductive network of the layer C and the layer D form an electronic path. The biological agent is used for early recognition and continuous inhibition of pathogens in panax notoginseng planting soil, can start defense response in the early stage of quorum sensing signal occurrence, and keeps action stability under complex environmental conditions.

The invention relates to the technical field of riparian zone ecological restoration, and discloses a riparian zone staged progressive ecological restoration method which comprises the following steps: dividing a dry area and a wet area according to a riparian zone shoreline, respectively laying a base layer protective layer and a double-layer base, laying an aquatic plant lawn and fixing the root after water flow erosion, deposition operation and standard judgment, and finally, carrying out ecological restoration. And finally, observing the rooting state and carrying out maintenance and complementary planting, and synchronously collecting data in each link and adjusting as required. Through staged refined operation, in combination with core links such as data acquisition, analysis and judgment, base laying optimization, deposition regulation and control and plant maintenance, orderly promotion of ecological restoration of the riparian zone is achieved, and pertinence and continuity of the restoration process are guaranteed.

The utility model discloses a soluble slow-release acupuncture needle, which relates to the field of medical instruments and comprises a needle handle and a needle body, a clamping mechanism is arranged at the bottom of the needle handle, and the root of the needle body is inserted into the bottom of the needle handle and is fixed by the clamping mechanism; the needle body comprises a fish glue layer, a net-shaped medicine storage layer and an agarose layer, the fish glue layer, the net-shaped medicine storage layer and the agarose layer are sequentially arranged from outside to inside, a cavity is formed in the agarose layer, and the cavity is of a centipede-shaped structure; step-by-step release of the medicine is achieved, and the medicine and physical stimulation of the needle body jointly play a role; the dual curative effects of needle and medicine combination are achieved in the treatment process, and the treatment effect and the patient experience are greatly improved; based on the reusable design of the needle handle, the economical efficiency and practicability of the acupuncture needle are further optimized; the problems that in the traditional acupuncture treatment process, medicine release is not uniform, and the medicine effect maintaining time is insufficient are effectively solved, and the more accurate and continuous treatment effect is provided for patients.

This invention relates to the field of wastewater treatment technology, and in particular to a microfiltration wastewater treatment device for industrial wastewater turbidity removal. The device includes a treatment cylinder and an L-shaped wastewater pipe installed at the top of the treatment cylinder. A swinging filter assembly is installed at the top inner part of the treatment cylinder. The swinging filter assembly shakes and filters the wastewater. The swinging filter cartridge within the swinging filter assembly swings and moves the filtered impurities. During the swinging process, the swinging filter assembly throws out the wastewater while simultaneously causing the filtered impurities to flow. This invention achieves dynamic separation through swinging filtration, combined with real-time self-cleaning via rotating scraping. The filter cartridge is automatically cleaned by a torsional brush assembly. A fixed filter cartridge with a blocking filter assembly effectively blocks filtration and also possesses a self-cleaning function. This allows for the simultaneous and continuous execution of filtration and cleaning processes, significantly improving wastewater turbidity removal efficiency and the stability and durability of the equipment operation.

The invention relates to the technical field of landscape ecological energy devices, in particular to a landscape stepping stone self-energy-supply module structure based on wind and tide composite energy, which comprises an energy supply module mechanism consisting of a buoyancy base, two transmission main shafts, stepping stone panels mounted on the two transmission main shafts, a wind wheel and a tide turbine, a partition plate is arranged in the buoyancy base and divides the interior of the buoyancy base into an upper cavity and a lower cavity, water quality improving modules are arranged on the upper cavity and the buoyancy base, and the wind wheel and the tidal turbine drive the independent generators respectively and are electrically connected in parallel, so that the wind energy power generation module and the tidal energy power generation module are independent from each other. When one energy supply has a problem, such as insufficient wind power or unstable rotating speed of the tidal turbine caused by tidal change, the other module can still work normally, so that the stability and reliability of the whole power generation system are ensured, the continuity of energy supply is improved, and the power generation efficiency is improved. Meanwhile, redundant mechanical kinetic energy is utilized to actively improve and detect the ecological environment of the water body.

The utility model discloses a welding tooling applied to dissimilar materials relates to welding technical field, including the carrier plate for bearing copper material and aluminum material, and the carrier plate is provided with the fixture for fixing copper material and aluminum material two position, the welding tooling still includes the water tank of can accommodate carrier plate and make the cooling liquid can immerse the welding area between copper material and aluminum material, and the spray assembly of the fixed or movable mode to the welding area spray cooling liquid is selected. The utility model discloses through setting up the carrier plate of bearing copper material and aluminum material and fixed clamp, can ensure two kinds of to be welded material to keep stable relative position in the welding process, avoid because of the misplacement of welding thermal stress or mechanical disturbance, and the water tank of can accommodate carrier plate and make the cooling liquid immerse the welding area is integrated simultaneously, and the spray assembly of optional fixed or movable mode, make the tooling have the double function of whole immersion cooling and spray cooling.

The invention discloses a serial number distribution method and device, equipment and a storage medium, and relates to the technical field of big data. The method comprises the following steps: responding to a serial number acquisition request of a request end, applying for a number segment from a pre-configured serial number database according to the serial number acquisition request, and storing the applied number segment into a main number segment cache region; if it is determined that the main number segment cache region meets a cache region replacement condition according to the serial number consumption rate of the main number segment cache region, asynchronously starting a standby number segment cache region; if it is determined that the serial number use condition meets a switching condition according to the serial number use condition of the main number segment cache region, switching the standby number segment cache region to the main number segment cache region; and distributing a serial number for the request end in the main number segment cache region by adopting an atomic incremental operation. According to the scheme, the serial number is distributed to the request end by asynchronously preloading the new number segment and switching the cache region, so that the continuity and availability of serial number distribution are improved.

The utility model discloses a kind of heat exchange equipment and pulping system. Heat exchange equipment includes heat exchange cylinder and cold pipe. Heat exchange cylinder is provided with heat exchange cavity, feed inlet and discharge port, heat exchange cavity is communicated with feed inlet and discharge port, cold pipe is set in heat exchange cavity, and it is used for being contacted with slurry, cold pipe includes at least one coil pipe, each coil pipe is spirally arranged along the central axis of heat exchange cylinder, each coil pipe includes multiple radiating sections, multiple radiating sections are sequentially connected along the axial direction of heat exchange cylinder, in the axial section of the central axis of heat exchange cylinder, two adjacent radiating sections are spaced apart. Using the heat exchange equipment provided by the utility model, the resistance in the flow process of slurry is reduced, the pressure drop of heat exchange equipment is reduced, the energy consumption of heat exchange equipment is reduced, the pipeline wear and tear and leakage risk caused by high pressure of heat exchange equipment are reduced, the service life of heat exchange equipment is prolonged, the maintenance cost is reduced, and the heat exchange area between slurry and cold pipe is increased, the heat dissipation effect of slurry is improved.

The application relates to the field of polyurethane foaming materials, and discloses a low-VOC polyurethane foaming compound and a preparation method thereof; the low-VOC polyurethane foaming compound comprises A component and B component which are mutually packed, the A component comprises low-aldehyde polyether polyol, polyether carbonate polyol, functionalized polyurethane oligomeric polyol, reactive tertiary amine catalyst, foam stabilizer and water, and the B component comprises a low-free-monomer isocyanate component; the functionalized polyurethane oligomeric polyol is prepared by reacting polyether carbonate polyol, diisocyanate and a hydroxyl compound containing a 1,3-dicarbonyl structure and having two or more hydroxyl groups. The preparation method comprises the steps of functionalized polyurethane oligomeric polyol preparation, A component dispensing, B component dispensing and packing. By introducing the reactive oligomeric polyol with the 1,3-dicarbonyl structure into the foaming system, the volatile components brought by raw materials can be reduced, and the continuous control ability of aldehyde components in the foaming process and the post-maturation process can be improved.

This utility model relates to the field of traffic monitoring technology and discloses a directional traffic public opinion information capture device, including a base. A support column is fixedly connected to the top of the base. A drive assembly is provided on the rear side of a fixed plate a. A rotating wheel is rotatably connected inside the fixed plate a. A belt is coupled inside the rotating wheel. A fixed connecting block is fixedly connected to the outside of the belt. A motor b is fixedly connected to the bottom of the support plate a. An information collection box is fixedly connected to the drive end of the motor b. In this utility model, when the motor a on the support plate is started, the output end of the motor a starts to rotate, and the rotating wheel below rotates accordingly. The belt is also driven by the rotating wheel, and the fixed connecting block on the belt moves up and down with the belt. The output end of the motor b electrically drives the information collection box and the entire camera assembly to rotate, realizing multi-height and multi-angle shooting effects and improving the comprehensiveness and clarity of the equipment's shooting.

The invention discloses an unmanned aerial vehicle assisted holographic digital-energy integrated transmission performance evaluation method. The method comprises the following steps: constructing an unmanned aerial vehicle assisted holographic IDET system model; determining a data transmission and energy transmission model under the limited code length mechanism; a holographic IDET beamforming design scheme assisted by the unmanned aerial vehicle is provided; analyzing a closed expression of an end point of the Pareto optimal curve; and designing an optimization algorithm to obtain a Pareto optimal boundary, and giving rate-energy domains of the DU and the EU. Aiming at the problem that a traditional fixed base station is difficult to meet the requirements of wide coverage, high energy efficiency and reliable transmission under the limited code length at the same time, the performance is remarkably improved by introducing unmanned aerial vehicle flexible deployment, holographic surface near-field focusing capability and a reliability analysis mechanism under the limited code length; and a rate-energy domain is obtained according to the Pareto optimal boundary curve.

The invention relates to the technical field of water treatment and water ecological restoration, in particular to a light compensation and resuspension double-constrained water level pulse closed-loop submerged community restoration method, which comprises the following steps: calculating a light compensation depth based on water environment parameters and determining a target water level zone; sequentially executing a low-water-level planting window setting process, a bottom mud endogenous control process and a slow-rising domestication stage, and dynamically updating water environment parameters to correct a target water level zone; when the water quality purification characterization parameter deviates from the purification control target threshold value set and / or the algae risk rises, superposing a water level pulse on the reference operation water level to form a water level curve, and performing boundary constraint and protection by using resuspension and endogenous release risk weighted indexes; pulse parameters are set according to a rolling period, and the water level is switched and maintained to enter a purification maintenance stage to realize full-period operation control. According to the method provided by the invention, the transparency can be stably improved under high-disturbance and high-endogenous conditions, the algal bloom is inhibited, and the recovery of the submerged community is promoted.

This utility model relates to the field of compressor technology, and in particular to an oil return structure for an aluminum swashplate type large displacement compressor, comprising: a compression working assembly including a rotating shaft with an oil outlet channel along its length, and multiple oil outlet holes on its outer wall communicating with the oil outlet channel; a cylinder body with a working chamber in the middle, fitted onto the compression working assembly, with the rotating shaft passing through the cylinder body; an oil storage pool on one side of the cylinder body; and end caps, one on each of the two end faces of the cylinder body; wherein the cylinder body is divided into a first oil return section and a second oil return section; the first oil return section has a first oil return hole channel communicating from the joint surface between the first oil return section and the end cap to the working chamber; the second oil return section has a second oil return hole channel communicating from the joint surface between the second oil return section and the end cap to the oil storage pool. This utility model effectively improves the oil circulation effect within the compressor, enhances the lubrication effect, and improves the oil return function.

This invention relates to the technical field of concealed pipeline mapping, and in particular to an auxiliary device for rapid three-dimensional coordinate positioning of concealed pipelines in installation projects. The invention includes a mother drone equipped with a probe and camera mounted on it. A marking nozzle is connected to the mother drone, and the marking nozzle is connected to and installed on a daughter drone. The mother drone connects the marking nozzle and the daughter drone via a flexible hose and power cable. The device uses a mother drone integrating a probe and camera, enabling multi-angle, omnidirectional spatial scanning and image acquisition of concealed pipelines. This achieves rapid and accurate three-dimensional coordinate positioning of the concealed pipelines, significantly improving the accuracy and reliability of the positioning. The mother drone connects the marking nozzle and the daughter drone via a flexible hose and power cable, enabling remote synchronous control. The daughter drone can flexibly move to the pipeline positioning point and automatically complete on-site marking, avoiding errors associated with traditional manual line drawing and improving the accuracy and consistency of the marking.

The utility model relates to the technical field of transformers, in particular to an oil leakage monitoring mechanism for a conducting rod, which comprises a connecting pipe and a liquid storage cylinder, the liquid storage cylinder is in threaded connection with the lower end of the connecting pipe, the connecting pipe is sleeved outside the conducting rod, and the lower end of the conducting rod penetrates through the liquid storage cylinder. A quick connecting assembly is arranged at the upper end of the connecting pipe, the quick connecting assembly is used for quickly installing the connecting pipe on a connecting part at the upper end of the conducting rod, scraping plates are arranged on the two sides of the interior of the liquid storage cylinder, one end of each scraping plate is attached to the inner wall of the liquid storage cylinder, and a driving assembly is arranged on one side of the upper end of the liquid storage cylinder; and the driving assembly is used for driving the two scraping plates to rotate around the axis of the liquid storage cylinder in the liquid storage cylinder. Compared with the prior art, the oil leakage monitoring mechanism solves the problems that in the prior art, an oil leakage monitoring mechanism is long in installation time, and the monitoring function can be recovered only by disassembling and cleaning the liquid storage cylinder after long-time use.

The present application provides a kind of rice storage method and system for inhibiting the growth of mould, by low temperature flexible drying and biological protection coating composite pretreatment to rice, construct constant temperature and humidity, anoxic high CO2 Mould inhibition type storage environment, combined with ultraviolet pulse irradiation and natural plant extract slow-release composite inhibition intervention, real-time monitoring of storage environment parameters and rice mould growth related index, according to the monitoring results dynamic adjustment of environmental parameters and intervention strategy, realize the sustained inhibition of mould growth during rice storage period. Using the scheme of the present application, rice storage period can be extended by 3-6 months without chemical residues, while maintaining the original taste and nutritional quality of rice, solves the technical problems of traditional rice storage, such as easy breeding of mould, chemical inhibition residues, and quality deterioration.

This invention relates to the field of intestinal health regulation technology, and discloses a method for preparing and applying a composition containing *Anoectochilus roxburghii* (a type of orchid) to improve intestinal health. The composition, by weight, includes the following components: 8-25 parts of *Anoectochilus roxburghii* complex extract, 5-20 parts of fermented *Anoectochilus roxburghii* prebiotics, 20-60 parts of complex prebiotics, and 1-10 parts of pre-adapted probiotic powder. The *Anoectochilus roxburghii* complex extract is composed of *Anoectochilus roxburghii* polysaccharide fraction and *Anoectochilus roxburghii* alcohol extract composite fraction. The alcohol extract composite fraction is a complex formed by the alcohol extract of *Anoectochilus roxburghii* and phospholipids. The mass ratio of the alcohol extract composite fraction to the polysaccharide fraction is 1:(1-4). This invention overcomes the technical problems of low utilization rate of *Anoectochilus roxburghii* active ingredients, poor probiotic environmental tolerance, and limited dispersibility of active substances in existing intestinal health improvement products. This invention constructs a composite system that combines improved utilization of active ingredients, enhanced stability of live bacteria, and improved overall intestinal health improvement capabilities.

The utility model discloses an underground personnel positioning and monitoring device for coal mine safety production, which comprises a protective belt, shoulder belts and a placing bag, the whole protective belt is of a hollow nylon cloth structure, the two sides of the protective belt are of arc structures, the shoulder belts are installed at the top of the protective belt at intervals, the placing bag is sewn on the front end face of the protective belt, a fastening piece is installed on the side of the placing bag, and the fastening piece is connected with the shoulder belts. According to the underground personnel positioning and monitoring device for coal mine safety production, the problem that in the prior art, in the working process, the positioning device is bound and placed in an elastic mode through an arm band, a wrist band and the like, the positioning device is not prone to falling off due to the fact that the protection band and the shoulder band are used in a matched mode is solved, and the positioning device is not prone to falling off. Although the installation work can be completed through the mode, the situation that due to binding type arrangement, the manual arms are in a tightened state for a long time, and manual operation is not facilitated exists.

The invention discloses a multi-channel integrated wireless intelligent irrigation electrically operated valve capable of being independently adjusted, and relates to the technical field of electrically operated valves. Through cooperation of the wireless communication module, the control module and the driving motor, remote intelligent control over the irrigation valve is facilitated, and the intelligent degree and convenience of irrigation control are improved; free space loss and shielding loss are calculated in a layered mode through an analysis unit, communication risks of different areas are accurately judged by combining comparison of theoretical receiving strength and electric valve receiving sensitivity, influences of shielding on signals are quantified, it is ensured that the transmission loss of the selected installation area is minimum, instruction loss or delay caused by shielding is reduced from the source, and the communication efficiency is improved. The reliability of remote control is improved; the deviation angle is calculated and analyzed through the analysis unit, angle deviation caused by wind, rain and collision is responded in real time, the deviation degree is accurately quantified through the length difference of the spring, it is ensured that the signal rod is always located at the optimal receiving angle, and signal attenuation caused by angle deviation is reduced.

The application discloses a bronchoscope supply-demand dynamic matching method based on multi-source data fusion, comprising: collecting multi-source heterogeneous data and performing fusion processing to obtain a device feature matrix, a demand feature matrix and an environment feature vector; determining a score calculation strategy according to a comparison result of a historical matching data accumulation amount and a preset threshold, determining a device availability score and a demand urgency score based on the device feature matrix and the demand feature matrix according to the score calculation strategy; constructing a device queue and a demand queue, attaching an initial scene label to each demand and performing identification, and outputting a standardized scene type; outputting an optimal matching scheme through a reinforcement learning intelligent agent based on the device queue, the demand queue, the standardized scene type and the environment feature vector; performing intelligent scheduling based on the optimal matching scheme, updating the queue based on external real-time events, and if both queues are non-empty at the same time, obtaining a new optimal matching scheme, otherwise, keeping a waiting state. The application can improve matching efficiency and accuracy.

The invention discloses a mechanical arm self-adaptive grabbing method based on geometric constraint and gravity optimization, and relates to the field of robot motion planning, and the mechanical arm self-adaptive grabbing method comprises the steps that three-dimensional point cloud data of a target object is acquired, and a smooth surface area is segmented through geometric feature analysis; candidate grabbing point pairs meeting normal vector parallel constraint and friction cone constraint are screened; generating a grabbing strategy including the target clamping force and the grabbing pose based on the candidate grabbing point pair; taking the grabbing pose as a target, and generating a motion track from the initial pose of the mechanical arm to the grabbing pose and with optimized joint load by introducing a path planning algorithm of a gravitational torque cost function; and the mechanical arm is controlled to move along the movement track, and control modes are automatically switched according to the distance and tail end force feedback till grabbing is completed. The stability, the energy efficiency and the safety of the grabbing operation of the mechanical arm in the unstructured environment are improved through geometric physical constraint screening of grabbing points, gravity optimization planning of a movement track and self-adaptive variable stiffness control.

The invention discloses a dynamic game-based immediacy decision-making method, which specifically comprises the following steps of: establishing a combat action dynamic game selection model, and determining a red-blue action set of the combat action selection model; determining a battlefield state transition probability of the battlefield action selection model; obtaining a red-blue confrontation strategy according to the red-blue action set and the state transition probability; constructing a state utility function in the battle action selection model; and determining the optimal strategy of the red and blue parties through the zero-sum game. Compared with the prior art, the method not only can dynamically evaluate the advantages and disadvantages of different tactical selections, but also can preferably select an appropriate action sequence and select an optimal action decision in a complex game environment of friend or foe in combination with intelligence update and battlefield feedback.

The utility model discloses a welding device for dissimilar materials relates to welding technical field, including the carrier plate for bearing copper material and aluminum material, and the carrier plate is provided with the fixture for fixing the position of copper material and aluminum material both, the welding device still includes the sink of can accommodate carrier plate and make the cooling liquid immerse the welding area between copper material and aluminum material, and the spray assembly of the fixed or movable mode to the welding area spray cooling liquid is selected, the welding device still includes the pusher tooling of being located in the sink and being used for to the welding piece of copper material and aluminum material welding after forming and pushes, the utility model discloses on the basis of having carrier plate, clamp, immersion sink and switchable fixed / movable spray assembly, further add the pusher tooling of being located in the sink. After welding, the product is often difficult to take out directly because of the edge or burr jam and other reasons, and the pusher tooling can directly lift or push out the product, and the material taking is convenient.

This invention relates to the field of pig farming technology, specifically disclosing an anti-climbing fence structure for Meishan pigs, comprising several fence mechanisms; each fence mechanism includes enclosure blocks and protective components mounted on the enclosure blocks; a connecting block is provided between two adjacent enclosure blocks, with both ends of the connecting block detachably connected to the two enclosure blocks respectively; the protective components include a protective block, a first electrode plate, a second electrode plate, a third electrode plate, a buzzer, a fixing block, a stop block, a first chamber opened within the enclosure block, a sliding hole opened on the enclosure block, a limiting hole opened on the fixing block, and a power unit for driving the stop block to move closer to the protective block; the sliding hole communicates with the first chamber; the protective block is slidably connected to the sliding hole. This addresses the problem of sharp spikes in existing anti-climbing pigpens easily causing injury to pigs.

The invention discloses a post-stroke limb movement rehabilitation nerve regulation and control method, system and device and a medium, and relates to the technical field of neural engineering and rehabilitation. The method comprises the following steps: identifying a current motor imagery intention from a current bio-electricity signal of a stroke patient and determining a target stimulation mode, a first stimulation nerve and a first stimulation pulse which are matched with the current motor imagery intention, the implantable main body controls the implantable stimulator to output a first stimulation pulse to the stimulation electrode channel corresponding to the first stimulation nerve according to the target stimulation mode; adjusting the amplitude of the stimulation pulse required by the next training according to a first feedback signal in the hand muscle group contraction process caused by the first stimulation pulse; and acquiring a new current bio-electricity signal and repeatedly executing the process until the early-stage rehabilitation training of the cerebral apoplexy is determined to be completed, and then executing the later-stage rehabilitation training of the cerebral apoplexy. According to the method, the stimulation selectivity and stability of peripheral nerves in cerebral apoplexy upper limb rehabilitation are improved, and precise regulation and control aiming at hand fine movement are achieved.

This application provides an electric two-wheeler and a wireless charging control method for the electric two-wheeler. The method involves electrically connecting the control component of the battery management system with a data acquisition component and a step-down module. The step-down module is also electrically connected to the power battery and the wireless charging bracket, forming a closed power supply and control loop. The data acquisition component collects the vehicle's operating parameters in real time. The control component obtains the current vehicle operating parameters and identifies the current vehicle state from a preset set of vehicle states based on these parameters. Based on a preset correspondence between the current vehicle state and multiple output levels of the step-down module, the control component determines the current output level and controls the step-down module to switch to the current output level. This allows the step-down module to convert the DC power output from the power battery into a current output voltage and current that matches the current vehicle state, providing a stable supply to the wireless charging bracket and improving the stability and continuity of the wireless charging.

The utility model provides a bovine serum multi-level filtering device, and relates to the field of bovine serum filtering, the bovine serum multi-level filtering device comprises a box body, a rotating cylinder is arranged in the box body, at least one mounting ring is arranged in the rotating cylinder, a fixing plate is arranged in the mounting ring, an annular filter plate is arranged between the fixing plate and the mounting ring, and the annular filter plate is arranged in the box body. The annular filter plate is embedded in the mounting ring, and two assembly rods are arranged outside the mounting ring. Through cooperation of the fixed rods, the fixed rings, the arc-shaped protrusions, the rolling balls, the rectangular blocks, the rectangular grooves and other structures, in the rotating process of the rotating drum, the static arc-shaped protrusions make contact with the rolling balls, the mounting ring is driven to periodically ascend and descend in the vertical direction, and the rotating drum is driven to rotate. The continuous and automatic axial vibration of the annular filter plate in the filtering process is realized, and the vibration in the vertical direction can generate effective axial stripping force on particles and viscous substances embedded into pores of the filter screen, so that the blockage of the filter pores is obviously reduced.

This utility model discloses a novel emergency alarm device, comprising a housing, a trigger module, a transmission module, an alarm module, and a power supply module. The housing has a trigger hole at its top and a mounting slot at its bottom. The trigger module is located at the top of the housing, and the transmission module is connected to it. A stationary contact is fixed to the bottom of the housing, and a moving contact is mounted on the bottom of a linkage slider. The alarm module includes a striking hammer, a metal bell, and a sound-emitting cavity. One end of the striking hammer is connected to the linkage slider via a rotating shaft, and the other end has a rubber hammer head. The power supply module is connected to both the transmission module and the alarm module, achieving dual mechanical and electronic alarm functionality. The device adopts a modular design and has an anti-accidental trigger structure, maintaining the mechanical alarm function even during power outages.

The utility model belongs to the field of cold -blast machine, specifically is a movable cold -blast machine, including base subassembly, cold -blast subassembly and magnetic attraction I -beam. The base top of base subassembly is provided with the slot, and is equipped with electric push rod and universal wheel, the both sides of cold -blast machine body of cold -blast subassembly are equipped with the plug -in block, magnetic attraction I -beam is provided with water tank subassembly and cold water machine subassembly, and the bottom of water tank has the connecting pipe, and the cold water machine is connected with water tank through circulating water pipe, through the design of electric push rod and universal wheel, has realized the flexible movement and stable fixation of cold -blast machine, utilizes the circulating system of cold water machine and water tank, maintains the constant water temperature, has promoted the refrigeration persistence, avoided the problem that the problem of frequent water change and refrigeration efficiency decline, with the insertion of plug -in block and slot, the adsorption lap joint of magnetic attraction I -beam and the buckle connection of hook and lock catch, the stability of component connection is strengthened, prevents the loosening of moving component. The utility model discloses the structure design is reasonable, improved the use efficiency and adaptability of equipment.