3662results about How to "Avoid entering" patented technology

The invention relates to a self-adaptive firewall rule generation method and device based on real-time threat intelligence, and the method comprises the steps: carrying out the semantic analysis of a threat intelligence text, extracting attack indexes and attack technique and tactics labels, and generating an intelligence triple set and an attack technique and tactics label set; calling a language model to generate candidate rules based on an intelligence analysis result, carrying out credibility scoring, intercepting a low-scoring rule as a high-risk illusion rule, and entering other rules into a to-be-verified set; constructing a digital twinborn shadow sub-domain to perform real-time traffic verification on the rule set to be verified, and dividing the rule set to be verified into an effective rule set and an invalid rule set according to a verification result; constructing a rule dependence graph based on the invalid rule set to perform pollution traceability, and adding nodes with excessive pollution into an isolation list; and cleaning the historical training samples based on the isolation list and the interception rule log, and performing incremental training on the language model to generate an updated model.

This invention relates to a method for the combined leaching of high-silicon zinc roasted ore and high-sulfur zinc oxide powder, belonging to the field of hydrometallurgical technology. The high-sulfur zinc oxide powder is leached neutrally to obtain zinc oxide leaching residue and zinc powder leaching solution. The zinc powder leaching solution is then mixed with high-silicon zinc roasted ore slurry for controlled silica leaching of the high-silicon zinc roasted ore to obtain zinc ore leaching residue and zinc ore leaching solution. The zinc powder leaching residue and zinc ore leaching residue are mixed and then subjected to low-acid leaching to obtain low-leaching residue and low-leaching solution. The low-leaching residue is then subjected to hot acid leaching to obtain hot-leaching residue and hot-leaching solution. The hot-acid residue is then subjected to high-acid leaching to obtain lead-silver slag product and high-leaching solution. The hot-leaching solution is neutralized and reduced by high-sulfur zinc oxide powder to obtain neutralized solution and neutralized residue. The neutralized solution is then subjected to mineralization and iron precipitation to obtain hematite product and iron-removed solution. This invention can effectively control the leaching of silicon in the high-silicon zinc roasted ore leaching process, and simultaneously realize the oxidative leaching of sulfides in zinc oxide powder and the reductive leaching of zinc ferrite in zinc roasted ore, thus simplifying the leaching process of zinc roasted ore and zinc oxide powder.

The invention relates to the technical field of heavy oil reservoir exploitation, in particular to a device and a method for realizing viscosity-reducing huff-puff exploitation of heavy oil by injecting natural gas into a well and pressurizing. According to the technical scheme, a gas supply pipeline is tripped into an annular space between a sleeve and a pump cylinder, the upper end of the gas supply pipeline is connected with a natural gas injection device on the ground, and the lower end of the gas supply pipeline is communicated with a gas inlet of an underground natural gas booster pump; a gas injection packer is installed on the lower middle side of a pump cylinder, an oil inlet hole is formed in the pipe wall of the lower side of the gas injection packer, and the lower end of the gas injection packer is connected with an underground natural gas booster pump through a transition adapter. The device has the advantages that the pressure of natural gas can be increased in a relay mode, the natural gas is dynamically mixed and dissolved in thickened oil, the viscosity of the natural gas is remarkably reduced, the natural gas is increased along with volume expansion, flowing to a shaft is facilitated, in addition, the foam oil effect can be formed, and the functions of reducing viscosity and increasing yield of a thickened oil reservoir are achieved; and the total operation cost is lower than the steam thermal recovery cost, and the safety is also greatly improved.

The invention provides a real-time disaster situation multi-dimensional verification alarm method and system based on a large model, and relates to the technical field of disaster situation response, and the method comprises the steps: carrying out the backtracking and calling of multi-source disaster situation associated data after a disaster situation early warning signal is received, and obtaining a heterogeneous disaster situation data set; starting a dynamic task chain scheduling mechanism, executing multi-priority thread trend analysis, and outputting a multi-dimensional index analysis result; executing multi-dimensional index cross verification, and outputting a disaster verification conclusion; disaster decision making is carried out, and a disaster decision instruction is generated; carrying out township-level disaster situation grid positioning, and outputting a disaster boundary coordinate set; after the thermal rescue target spot is framed, geological disaster avoidance analysis is carried out, and a safety buffer area is positioned; and executing an alarm verification response. The technical problems that in the prior art, a disaster monitoring and early warning system mainly depends on a step-by-step reporting mechanism, so that disaster information transmission is lagged, accuracy is lost, and timeliness and accuracy of post-disaster rescue work are affected are solved.

The invention discloses a financial credit data verification system with zero knowledge proof, and relates to the technical field of financial science and technology. According to the system, a ZKP multi-source credit data acquisition module acquires multi-dimensional credit data of a borrower, and a data available and invisible mechanism is adopted to protect privacy; the credit data entropy analysis module quantifies data uncertainty based on a clustering algorithm, dynamically generates a threshold value in combination with a historical entropy value, and quickly screens abnormal data; a ZKP enhanced feature extraction module captures a dynamic change rate index and zero knowledge proof features; the deep verification model evaluation module utilizes a deep belief network and a federated learning framework to realize high-precision anomaly recognition on the premise of protecting privacy; the verification strategy regulation and control module generates a parameter regulation and control strategy through a swarm intelligence optimization algorithm; the feedback optimization module dynamically adjusts parameters through a closed-loop feedback mechanism, and improves the efficiency, precision and safety of financial credit data verification.

The utility model provides a kind of sealing surface scratch-proof protection device for hydraulic flange processing, it is related to hydraulic flange processing technical field, including processing support platform, the upside of processing support platform is provided with sealing surface protection component, the sealing surface protection component includes the support steel platform installed on the upside of processing support platform, the outside of support steel platform is equipped with shock-absorbing rubber pad, the outside of shock-absorbing rubber pad is provided with hydraulic flange main part;Shock-absorbing rubber pad is sleeved to the outside of support steel platform, then hydraulic flange main part is sleeved to the outer surface of shock-absorbing rubber pad outside support steel platform, then after hydraulic flange main part is sleeved to the outside of shock-absorbing rubber pad, start sealing air pump, make inflatable sealing ring expand, to form tight fit to the top inside of hydraulic flange main part, effectively block outside impurity into sealing area, avoid metalworking chip into the inside of hydraulic flange main part, cause sealing surface to be damaged or influence subsequent assembly accuracy.

This application provides a blood pressure sensor, comprising: a tubing having a first end and a second end disposed opposite to each other, the first end being for connecting to a blood vessel, and the second end being for injecting a pressure measuring medium; a pressure sensor disposed in the tubing and used for measuring the liquid pressure in the tubing; and a filter element installed at the first end, or installed between the first end and the pressure sensor. The filter element is used to filter blood cells in the blood entering the tubing from the first end, while allowing the pressure measuring medium to pass through. In this application, the filter element prevents large particles such as blood cells from entering the tubing, preventing blood cells from agglomerating and forming thrombi in the tubing, and also preventing blood from being flushed back into the blood vessel, causing a series of serious consequences such as arterial embolism, myocardial infarction, and pulmonary embolism. Simultaneously, the filter element allows the pressure measuring medium to pass through, thereby ensuring smooth pressure measurement.

The present application relates to a kind of organic solar cell module and its preparation method.The organic solar cell module, in addition to deposit a conductive layer (1A,1B) on the first electrode layer, etching connection channel (P2) and partition channel (P3) on the conductive layer.Compared with prior art, the significant advantages of the present application are: when laser etching connection channel (P2) and partition channel (P3), it improves the fault tolerance of etching, both protects the first electrode layer, and makes each layer be etched completely, improves the performance of device.

The utility model discloses a kind of power safety uses's anti-infiltration device with insulating gel, belong to electric power safety technical field, including tube well, well lid, locking assembly and drainage assembly, trapezoidal groove is opened with well lid mutually adhering in tube well top, well lid bottom wall is fixedly connected with insulating gel ring, insulating gel ring bottom and trapezoidal groove bottom wall mutually resist, trapezoidal groove inner wall is equipped with liquid collecting groove, this power safety uses's anti-infiltration device with insulating gel, by locking assembly to well lid apply downward pressure, make well lid bottom and trapezoidal groove bottom wall closely adhere to, simultaneously by insulating gel ring provide sealing, prevent rainwater through gap into tube well, after rainwater enters gap, accumulate in liquid collecting groove, then one-way extraction mechanism works, through drainage pipe can extract rainwater in liquid collecting groove, solved the present power safety uses's anti-infiltration device mostly inconvenient to discharge rainwater in invading gap, prone to the situation of security risk.

This utility model discloses a partition plate for an outdoor unit of an air conditioner, including a main body with a water-guiding slope. The water-guiding slope is connected to an extension, and the extension is equipped with a heat dissipation structure. When the outdoor unit is operating, the condenser produces condensate. The fan rotation may throw the condensate towards the compressor compartment. The partition plate can block the water droplets, the water-guiding slope can cover the compressor, and the water droplets collected at the upper part of the partition plate are guided to the bottom of the casing. The heat dissipation structure can dissipate heat from the compressor compartment to the condenser compartment, preventing heat from the compressor compartment from being trapped and affecting the heat exchange performance of the outdoor unit. This outdoor unit's partition plate, by setting a water-guiding slope to cover the compressor and guide the water droplets adhering to it, and by setting an extension above the water-guiding slope to provide a heat dissipation structure, not only dissipates heat from the compressor compartment but also prevents water droplets from entering the compressor compartment through the heat dissipation structure, achieving both heat dissipation and waterproofing.

The utility model discloses a kind of plastic accessory automatic polishing mechanism, including workbench, intercept net and threaded rod;The side of workbench is provided with recessed frame, the side of the side of recessed frame is provided with motor A;Intercept net is arranged in the top side of workbench, and the top of workbench is provided with slide rail;The utility model is slid on slide rail by cylinder A to promote moving lug, can accurately move plastic accessory to specified polishing position, cooperate the fixing of plastic mould to plastic accessory, ensure that plastic accessory is stable in position during polishing process;Through the collaborative work of cylinder A, motor A, cylinder B and motor B and the like components, realize a series of operations such as plastic accessory from clamping, polishing component moves to polishing operation and waste cleaning automation, reduce manual intervention;Through dust collector and hopper of workbench bottom formed waste cleaning system, waste generated can be sucked in time during polishing process, avoid waste accumulation.

The utility model discloses a corrugated case convenient to carry, including corrugated case body, the lower end fixed mounting of corrugated case body has supported device, the upper end of corrugated case body inserts and installs corrugated box lid. The utility model discloses a corrugated case convenient to carry, through still being provided with corrugated core in the corrugated case body, double -decked corrugated paperboard can provide double -decked support, and the compressive strength and the side pressure intensity not only are significantly higher than single corrugated paperboard, and double -decked structure also can reduce the deformation caused by humidity change, and further improve the use effect and service life of corrugated case, and the one side board on the corrugated box lid can be bent down, and the clamping block on the one side board can be inserted into the first slot and the second slot, avoid the corrugated case body when transporting external dust can enter its through the slot, in addition, through the pull -plate and raise the one side board, at this time, people can conveniently take up and carry the corrugated case body through the slot.

The application relates to the technical field of vehicle bodies, and provides a back door and a vehicle. The back door provided by the application comprises a back door sheet metal assembly, a back door window frame surrounding a light transmission hole formed by the back door sheet metal assembly, and a sealing piece arranged on the back door window frame. The sealing piece has a first sealing part located on the outer side wall of the back door window frame, the first sealing part is arranged around the back door window frame, and the first sealing part can seal the gap between the back door window frame and the counter handle. The back door provided by the application can seal the gap between the back door window frame and the counter handle, can better improve the sealing quality of the back door in the vehicle, can reduce the noise entering the vehicle from the back door, and can improve the quality of the vehicle.

The application discloses a research report generation method based on natural language processing and relates to the technical field of intelligent document analysis and generation, which comprises the following steps: version storage of source documents and generation of timestamp snapshots; paragraph-level and sentence-level segmentation of the timestamp snapshots and extraction of evidence segments carrying original text positioning indexes; core claim extraction of the evidence segments to generate conclusion units containing claim texts and confidence; establishment of the association relationship between the conclusion units and the evidence segments; generation of chapter texts according to the associated conclusion units and calculation of evidence segment coverage; and structural adjustment and regeneration of the texts when the evidence segment coverage is lower than a preset threshold. The method realizes evidence traceability, multi-type semantic association and automatic optimization based on coverage feedback.

The utility model discloses a kind of efficient paint mixing and stirring device, comprising: bearing frame, the surface of the bearing frame is fixedly connected with pull ring;Stirring assembly, one side of the stirring assembly is fixedly connected with bearing frame surface side, the stirring assembly is for the sufficient stirring mixing of paint;Vacuum component, one side of the vacuum component is communicated with the surface of stirring assembly, the utility model relates to stirring device technical field.The efficient paint mixing and stirring device, by the setting of vacuum component, by the setting of vacuum pump, the mixed bubble inside load barrel is directly vacuumized, effectively removes internal air, and the paint splashed in the process of vacuumizing is blocked and filtered using filter core, to avoid its random into suction duct, filter core bottom inverted cone, avoid paint adhering on filter core surface, spring can complete its push compact, pull handle rod can be pulled apart, convenient operation.

The utility model discloses a kind of discharging structures of dirt degradation treatment box, including dirt degradation treatment box body, the side fixed mounting of dirt degradation treatment box body is equipped with discharge pipe, the bottom fixed mounting of discharge pipe is equipped with summary box, the inside fixed mounting of summary box is equipped with baffle, the inside of baffle is equipped with multiple air holes, the top fixed mounting of summary box is equipped with connecting pipeline, one end of connecting pipeline is fixedly installed with purifier;The scheme is equipped with summary box, baffle, air hole, connecting pipeline and purifier, purifier can be transmitted to its inside by connecting pipeline, gas generated by dirt degradation is discharged after being purified, baffle can prevent dirt degradation into purifier inside, avoid affecting its normal use, help to protect purifier, after processing, gas is discharged after reaching discharge standard, it is favorable to protect ecological environment, let the discharge effect of dirt degradation treatment box be better.

The application provides a high-sealing injection mold, and relates to the field of injection molds.The injection mold comprises an upper mold and a lower mold, the top of the upper mold is connected with a hydraulic cylinder, the lower mold is internally provided with an ejection mechanism, the edges of the cavities of the upper mold and the lower mold are respectively provided with mutually matching tapered surfaces, and a sealing strip and a sealing groove that are sealingly matched are respectively arranged on the two tapered surfaces; the tapered surface of the lower mold expands toward the outside of the cavity; the top of the upper mold is provided with an exhaust hole, and the exhaust hole is provided with an exhaust sealing structure; the bottom of the cavity of the lower mold is provided with multiple ejection holes at intervals, and the ejection holes are provided with tapered sealing sections near one end of the cavity; the ejection mechanism comprises an elastic driving assembly and multiple ejector rods connected with the elastic driving assembly, the multiple ejector rods are respectively and one-to-one correspondingly arranged in the multiple ejection holes, and one end of the ejector rod is provided with a tapered matching part matched with the tapered sealing section.The application is sealed at multiple leakage points of the mold, and has high sealing performance.

This utility model discloses a multi-stage shaft sealing device for a horizontal mixing equipment, relating to the field of mixing shaft sealing. It includes a first-stage spiral sealing structure, a second-stage oil seal assembly, and a third-stage mechanical seal assembly arranged sequentially. The first-stage spiral sealing structure includes a threaded groove formed on the mixing shaft. The second-stage oil seal assembly includes multiple sets of oil seals fitted onto the outer side of the mixing shaft and oil seal seats fitted around the outer periphery of the multiple sets of oil seals. Oil seal glands are fixed to the oil seal seats by studs, and the oil seal seats are fixed to the end cover plates by countersunk bolts. The third-stage mechanical seal assembly includes a bearing housing, a bearing gland, and a mechanical seal. The bearing housing is fixedly connected to the frame by a support plate. A buffer cavity is formed within the frame between the second-stage oil seal assembly and the third-stage mechanical seal assembly. This application effectively prevents material leakage and reduces the pressure difference between the two sealing ends through the synergistic effect of the multi-stage sealing structure. Furthermore, the maintenance of each stage of the seal is convenient, reducing equipment maintenance costs and downtime.

The present application relates to the technical field of shale gas sampling, in particular to a shale gas exploitation sampling device and method, the device comprises a box body and an inspection door, a filter box is arranged in the upper middle part of the box body, a low-temperature box is arranged in the lower middle part of the box body, an adsorption box is arranged in one end of the box body, a shunt pipe is arranged on the inner wall of the bottom end of the low-temperature box, a cooling mechanism for low-temperature water removal is arranged in the low-temperature box, a filtering mechanism for automatic filtering and automatic cleaning is arranged in the filter box, an adsorption mechanism for adsorption is arranged in the adsorption box, and a connecting mechanism for connecting a sampling pipeline is arranged in one end of the box body. The device can be suitable for sampling pipelines of different sizes and shapes, can ensure the firmness and sealing property of the connection, can automatically sample and purify different shale gases comprehensively, and can ensure the accuracy and sufficient amount of sampling.

The utility model relates to noise isolation device technical field, concretely relates to noise isolation and noise reduction protection integrated device, including a plurality of mutual splicing's protective plate, and the protective plate is composed of the outer frame board of setting at the outside and the sound insulation layer of setting at the central position department of outer frame board, and the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the

The utility model discloses an ammonium nitrate solution concentration blending reation kettle with anti -explosion function belongs to reation kettle equipment technical field, the utility model discloses a reation kettle body is communicated with the discharge valve at reation kettle body bottom, can carry out even heating to solution through the electric heating plate in the reation kettle body inner wall bottom groove, avoid local temperature too high and cause ammonium nitrate to decompose gas and cause explosion, the cooperation design of stirring rod and top motor can carry out sufficient stirring to ammonium nitrate solution in reation kettle, make solution concentration distribution even. The annular ring and the explosion -proof pipe fixedly connected with the annular ring that reation kettle body surface sets up up and down, effectively enhanced the overall structural strength of reation kettle, the gas outlet pipe of top annular ring and the gas inlet pipe of bottom annular ring mutually cooperate, and the outside cold gas enters the space between the explosion -proof pipe and reation kettle body, and then even cooling is carried out to reation kettle body, and then gas is discharged to the outside from the gas outlet pipe, and the device has the advantages that the explosion -proof effect is good.

The utility model provides a kind of dustproof liquid seal structure of power distribution cabinet, belong to distribution cabinet field, including distribution cabinet body, dustproof liquid mechanism of dust and liquid invasion is prevented is provided on the distribution cabinet body, the fixed component of fixed equipment is provided in the distribution cabinet body inside.The utility model is provided with dustproof liquid mechanism and foam rubber strip, when using, dust and liquid collecting groove is directly fallen into dust and liquid collecting groove place by door gap when liquid invasion, liquid will be discharged from dust and liquid collecting groove, foam rubber strip can be tightly attached with the counter eaves welded on outer extension door frame, foam rubber strip generates deformation, sealing performance is outstanding, completely prevents dust from entering cabinet body inside, under the condition that liquid flow rate is not enough when dust and liquid collecting groove discharges liquid, liquid can also be prevented from entering distribution box inside.

The invention relates to the technical field of tire treatment equipment, in particular to a waste tire cracking utilization device which comprises a cracking box, an upper cover is rotatably arranged at the upper end of the cracking box, a locking structure is arranged on the upper cover, and a cracking chamber for cracking waste tires is arranged in the cracking box. A heating mechanism for heating waste tires is arranged on the cracking chamber, an oil collecting tank matched with the heating mechanism is arranged at the lower end of the cracking chamber, a plugging mechanism matched with the oil collecting tank is arranged in the cracking chamber, and an upper cover is fixed by arranging a locking structure. The upper cover and the feed port of the cracking box form a sealing structure to prevent air permeation, and the plugging mechanism is arranged to plug the cracking chamber to form a sealing structure, so that air cannot enter the cracking chamber during reaction, the cracking chamber can be in an anoxic state, and liquid oil, gas and solid carbon black produced by cracking reaction are good in quality. The production efficiency is high.

The invention relates to the technical field of plant essential oil extraction, and discloses a valerian-rich rhizoma nardostachyos essential oil directional preparation process, which comprises: taking a functionalized compound solvent, adding rhizoma nardostachyos coarse powder according to a liquid-solid ratio, stirring and soaking to obtain a solid-liquid mixture; the solvent component comprises process water, sodium xylene sulfonate, dipotassium phosphate and polyethylene glycol 400; introducing steam into the mixture, heating to maintain slight boiling, carrying out first-stage distillation, and removing distilled low-boiling-point components to obtain resident in the kettle; cooling the resident to a constant temperature, adding sodium chloride, and stirring until the sodium chloride is dissolved to obtain a heterogeneous mixed system; the heating system is subjected to second-stage distillation, and distillate is collected; and carrying out oil-water separation on the distillate, and collecting an oil phase to obtain a finished product of the rhizoma nardostachyos essential oil. According to the method disclosed by the invention, a hydrotropy-salting-out phase change mechanism is matched with fractional distillation, so that high-efficiency desorption and directional enrichment of valerianone which is difficult to volatilize are realized while acidic and light component impurities are removed.

The utility model relates to the technical field of dropper, concretely to a bactericide experiment is with dropper, including operation platform, the top welding of operation platform has the support column, the outside rotation of support column is equipped with the rotating lever, the periphery of rotating lever is respectively welded with a clamping assembly, the outside fixed cover of support column is equipped with second fixed plate, the inside fixed cover of second fixed plate is equipped with the liquid storage jar, the bottom intercommunication of liquid storage jar has the control valve, the outside rotation of support column is equipped with first fixed plate, the inside sliding cover of first fixed plate is equipped with the support slide rod, the bottom of support slide rod is installed with the sealing cover through bearing, one side of operation platform is installed with the limit component. The utility model can avoid the limbs of experimental personnel to enter the drop zone range, thereby avoiding bactericide to fall on the limbs of experimental personnel, thereby improving the protection effect to experimental personnel.

The utility model relates to the field of agricultural machinery engineering technology discloses a leek field weed cleaning device, include: handle, for U type state, horizontal setting, U type middle part both sides can place the shoulder strap, shoulder strap, total two groups, through two groups of round magic paste and paste to handle, sliding rod, by a group of thick cylinder and a group of thin cylinder weld together, and place obliquely, and thick cylinder is fixed in handle middle part one side, and thin cylinder one end is provided with fixed mechanism, fixed rod, for cylinder cover, place obliquely, and its one end and the thin cylinder end of sliding rod sliding connection. The locking effect of sliding rod cooperation and fixed mechanism can quickly adjust the overall length of the device, adapt to different height users, the position adjustment of sliding blade and L type board can flexibly change the operation distance, accurately adapt to different row distance leek field, the shoulder strap is convenient for user to bear the device, reduces the handheld operation burden, the adjustment component is simple to operate, and can be stored and save space, improves overall operation efficiency and use safety.

The utility model discloses a water tank with constant pressure measurement function belongs to water tank technical field, aims at solving the most water outlet point of prior art is located water tank under one side of liquid level, and the position of water outlet point is fixed immovably, along with the water supply of carrying out, the liquid level in water supply water tank is constantly reduced, wherein the distance between water outlet point and liquid level will constantly reduce, lead to the water pressure of water outlet point constantly small, although the water tank usually has the water replenishing mechanism to reach the purpose of time water replenishing, but actually still can form fluctuation to the water pressure of water supply water tank, cannot realize constant pressure water supply, and the water replenishing of water tank single, every day also cannot carry out measurement statistics, thereby the actual water replenishing of subsequent management personnel cannot know water tank accurately, thereby bring the problem of influence to the judgment and overhaul of personnel. Including stainless steel water tank, the upper side of stainless steel water tank is connected with inlet pipe, and the other side below of stainless steel water tank is connected with outlet pipe.

This utility model discloses a disc-lock type scaffolding, relating to the field of scaffolding. The utility model includes four bases and multiple crossbars. Each of the four bases has a stud welded to its top, and the outer wall of the stud is threaded with an adjusting nut. A vertical pole is fitted onto the top of the stud. This utility model incorporates a pin, anti-slip plate, slot, locking plate, slide block, spring, and push block. After the hook is hung on the corresponding crossbar, the worker first pushes the push block, which moves the slide block. The slide block then compresses the spring and moves the locking plate. Next, the anti-slip plate is rotated, causing its inner wall to fit against the outer wall of the crossbar, and the locking plate rotates into the slot. Then, the push block is pushed in the opposite direction, and the spring stretches, causing the slide block to return to its original position. When the locking plate is fully engaged in the slot, the anti-slip plate is locked in place. The anti-slip plate and hook form a ring-shaped engagement on the crossbar, increasing friction and improving the stability of the hook and footboard.

This utility model relates to the field of waterproof dishwasher lenses, and discloses a waterproof dishwasher lens, including a housing. An imaging lens housing is fixedly connected to the left side of the housing. A lens barrel is fixedly connected to the bottom of the housing, and a fixing ring is fixedly connected to the bottom of the lens barrel. A connecting tube is threadedly connected to the bottom of the lens barrel, and a positioning tube is movably connected to the outer periphery of the connecting tube. A protective shell is slidably connected to the bottom of the connecting tube, and a lens is slidably connected inside the protective shell. A positioning assembly is provided inside the housing, including a fixing frame fixedly connected inside the housing. Positioning plates are slidably connected to both the left and right sides inside the fixing frame. This utility model incorporates a protective shell and positioning tube, giving the device excellent waterproof performance. The positioning assembly also allows for modular installation, reducing the space occupied by internal components.