132results about How to "Protection stability" patented technology

The utility model relates to an ecological seawall structure, which belongs to the technical field of bank protection engineering and comprises a seawall foundation, the seawall foundation comprises a slope top and a slope body, and a retaining wall structure is arranged at the joint of the slope top and the slope body. An arc-shaped wave dissipation ridge is arranged at the position, spaced by a certain distance from the retaining wall structure, of the top end of the slope body, a cushion layer is laid at the position, located between the arc-shaped wave dissipation ridge and the retaining wall structure, of the top end of the slope body, and the cushion layer comprises a dry stone cushion layer and a broken stone cushion layer which are sequentially arranged from top to bottom. A first block stone cushion layer is laid at the position, located on the side, away from the retaining wall structure, of the arc-shaped wave dissipation ridge, of the top end of the slope body, extends to the bottom of the slope body and further extends outwards to be connected with a second horizontal block stone cushion layer, and a first concrete retaining wall is arranged at the joint of the first block stone cushion layer and the second block stone cushion layer. The accropode is laid at the top end of the second block stone cushion layer and located on the outer side of the first concrete retaining wall. The safety of the seawall can be effectively guaranteed, and the stability of the seawall structure is guaranteed.

The invention belongs to the field of computer aided design, and discloses a design method of a multistable metamaterial with an ideal energy absorption characteristic, which comprises the following steps of: firstly, carrying out theoretical analysis on a buckle to establish a mathematical model; then, according to the theoretical solution of the rigidity value of the buckle structure, reverse topological optimization design is carried out on the curved beam, so that a force displacement curve of the curved beam has negative rigidity and peak force corresponding to the buckle. The buckle structure and the optimized and customized curved beam are assembled through the functional part, and the multistable metamaterial unit cell with the ideal energy absorption characteristic can be obtained. And programming design is carried out on the unit cells, so that the required metamaterial can be constructed to meet the energy absorption requirement under the complex load. The technical scheme is widely applicable to the fields of aerospace, automobile industry, building protection and the like, and excessive rebound of impact energy is avoided while the impact resistance of equipment is improved.

The invention provides an active intervention type arc-extinguishing and resonance-eliminating device and method, and relates to the technical field of power system safety control, the device comprises an intelligent grounding module, the intelligent grounding module comprises a three-phase line led out from a system bus, and the three-phase line is grounded through a secondary side of a voltage transformer; a three-phase contactor and an impedance grounding transformer are sequentially connected in series between the system bus and the grounding end; when overvoltage and line resonance are caused by a non-single-phase earth fault of the power distribution network system, the PTC resonance elimination module is used for actively carrying out resonance suppression; the monitoring module is used for monitoring the working state of the device and generating state information; the processing module is used for processing the state information; and the alarm module performs a corresponding alarm action. According to the active intervention type arc and resonance elimination device and the matched fault treatment method thereof, innovative application of the intelligent grounding module and the PTC resonance elimination module is combined, and a comprehensive solution with high flexibility and self-adaptive capacity is formed.

The invention discloses a cyclone filter for sponge city rainwater collection, and relates to the technical field of cyclone filters, the cyclone filter comprises a support base, a filter cartridge is fixedly mounted on the support base, and the cyclone filter also comprises a decontamination assembly arranged on the filter cartridge and used for cleaning a fine filter screen and a coarse filter screen in the filter cartridge; the blocking assembly is arranged on the decontamination assembly, so that after the interior of the filter cartridge is blocked, the inlet of the filter cartridge is blocked at the same time; the automatic pollution discharge assembly is arranged in the filter cartridge and is used for automatically cleaning impurities such as silt accumulated in the filter cartridge; and the stirring assembly is arranged above the sewage discharging assembly and is used for increasing the centrifugal force of rainwater in the filter cartridge. According to the device, when the water flow is reduced due to blockage of the filter screen, the decontamination assembly can be automatically triggered, and the filter screen is cleaned through cooperation of the electromagnet and the cleaning brush, so that the problem that the filtering efficiency is reduced due to long-term blockage of the filter screen is effectively avoided, and smooth collection and efficient filtration of rainwater are ensured.

The invention provides a medical packaging composite film and a preparation method thereof. The preparation method of the medical composite membrane comprises the following steps: S100, coating a first surface of an aluminum foil layer with an adhesive, attaching the first surface to a barrier material, and sequentially carrying out primary drying treatment and calendering treatment to obtain a barrier layer, an adhesive layer and the aluminum foil layer; s200, the second surface of the aluminum foil layer is coated with heat sealing slurry, secondary drying treatment is conducted, and the medical packaging composite film is obtained. The medical packaging composite film has excellent barrier property, biological safety, mechanical property and heat sealing property, and can provide reliable packaging protection for medical drugs.

The invention relates to the technical field of silicon-based anode materials, in particular to a method for reducing structural deformation and damage in the circulation process of a silicon-based anode. The preparation method comprises the following steps: adopting Ti < 3 > C < 2 > T < x > MXeneamp; the SGC composite material is used as a silicon-based anode active material; the Ti < 3 > C < 2 > T < x > M < X > eneamp; the preparation method of the SGC composite material comprises the following steps: (1) dispersing nano silicon into phenolic resin, then enabling the nano silicon and graphene oxide to be adsorbed and self-assembled to form gel by utilizing a surface charge adsorption effect, and then performing freeze drying, grinding, carbonization treatment and CVD treatment to obtain the SGC composite material; (2) the surface of the SGC composite material is coated with the Ti < 3 > C < 2 > T < x > MXene nanosheets in a vacuum suction filtration mode, and Ti < 3 > C < 2 > T < x > MXene amp is obtained; the invention discloses an SGC composite material.

The invention relates to the technical field of food processing and functional drinks, and discloses a peptide-component-rich health-preserving liqueur which comprises the following components in percentage by weight: 50-65% of Maotai-flavor liquor, 10-20% of yellow wine, 3-7% of water, 10-20% of peptide components, 1-5% of plant extract and 5-10% of other components, the invention also discloses a preparation method of the health-preserving liqueur rich in peptide components, which comprises the following steps: S1, peptide treatment: carrying out directional enzymolysis on the peptide components, controlling the enzymolysis temperature at 40-50 DEG C and the enzymolysis time at 2-4 hours; and S2, microcapsule coating: coating the treated peptide components in cyclodextrin, gelatin or Arabic gum. By adopting a compound formula of multiple peptide components and combining technologies such as microcapsule coating, directional enzymolysis, low-temperature co-fermentation and nano-emulsification, the stability and bioavailability of the peptide components are remarkably improved, meanwhile, the flavor and taste of a wine body are optimized through a two-stage fermentation process, the wine body is more mellow and smoother, and the taste of the wine body is improved. The requirements of the market on the high-quality health-preserving liqueur are met.

The invention discloses an on-line withstand voltage test device for transformer oil, relates to the technical field of electrical test instruments, and is used for testing the dielectric constant of the transformer oil. The device can be directly installed between the oil pumping pipe and the oil filling pipe of the transformer oil arc extinguishing on-load tap-changer without being carried back and forth, the automatic oil pumping device is designed, oil is directly pumped out of the transformer without being in contact with the outside, obtained detection data are accurate, and insulating oil is not wasted. The device consists of a transformer oil withstand voltage tester and an automatic oil pumping device, wherein a test unit is arranged in the automatic oil pumping device. The automatic oil pumping device is directly communicated with an oil pumping pipe and an oil injection pipe of the transformer oil arc extinguishing on-load tap-changer, so that totally-closed sampling and reinjection processes are realized. Exposure of an oil sample is avoided, the purity of an oil product is kept in the whole process, and then the accuracy of data is improved.

The invention discloses an anti-ultraviolet automobile film and a preparation method thereof, and belongs to the technical field of automobile films. The invention relates to a high-temperature-resistant coating which comprises the following components in parts by weight: 80-100 parts of polyethylene glycol terephthalate, 3-5 parts of polyimide, 5-8 parts of a plasticizer, 2-3 parts of a defoaming agent, 1-2 parts of a flatting agent and 20-30 parts of TiO2 / PDA / ZnO (at) MOF. TiO2 is wrapped by polydopamine, agglomeration of TiO2 is prevented, meanwhile, ZnO is wrapped on the outer layer more uniformly due to the adsorption effect on ZnO, and polydopamine also has the antibacterial and light absorption effects; the combination of TiO2 and ZnO can effectively improve the breadth and depth of ultraviolet protection. The prepared automobile film has high transmittance and ultraviolet absorptivity, and a pencil hardness test table has good mechanical properties and good antibacterial rate.

The invention provides a preparation method of a tantalum carbide coating graphite component, and relates to the technical field of semiconductor growth. The surface of the graphite substrate is pre-coated with a titanium carbide coating through a low-temperature process method, and a buffer transition layer is obtained; the surface of the transition layer is coated with a titanium carbide coating through a variable-temperature process method, and temperature conversion is conducted; according to the variable-temperature process method, only one-time variable-temperature growth or multiple-cycle growth is carried out, a buffer layer with low crystal quality is pre-coated on the surface of a graphite substrate so as to reduce stress and thermal adaptation between the graphite substrate and a surface coating, and then a main coating tantalum carbide film is produced on the buffer layer through a variable-temperature process, so that the surface of the graphite substrate is coated with the tantalum carbide film. And a variable-temperature process is used for reducing the stress in the coating production process.

The invention discloses a method for enhancing co-metabolism degradation of antibiotics in ammoxidation sludge, and belongs to the technical field of sewage treatment. According to the method, ammonia oxidation sludge is enriched firstly, artificially synthesized sewage is used as inlet water of an ammonia oxidation sludge enrichment reactor, the reactor is operated by adjusting the pH value to be acidic, sulfamethoxazole with different concentrations in the inlet water is treated in stages, co-metabolism of the ammonia oxidation sludge is enhanced, and sulfamethoxazole degradation is enhanced under the long-term operation condition; the ammonia nitrogen removal rate is not obviously inhibited. The method provided by the invention not only can remove ammonia nitrogen in sewage, but also can efficiently and stably degrade antibiotics, and can reduce propagation and invasion of pathogens in nature, thereby protecting biodiversity and stability of an ecological system.

The invention discloses a foot and mouth disease virus effective antigen inactivation protective agent and application thereof. The protective agent is prepared from the following components in percentage by mass: 0.05 to 20 percent of a structure curing agent, 0.01 to 5 percent of an ion regulator, 0.005 to 1.0 percent of an antioxidant and the balance of water, the protective agent does not influence the inactivation effect in the process of acting on nucleic acid, inhibits folding and unfolding of a protein physical structure, prevents change of a protein space physical structure, improves free energy of protein denaturation, enhances the stability of a virus space physical structure, maintains the integrity of virions, and has a good application prospect. The effects of preserving the immune biological activity of the protein and reducing the loss of viruses in the inactivation process are achieved, so that the foot-and-mouth disease inactivation antigen liquid with high immunogenicity is obtained. Compared with the conventional antigen protection method, the method has the advantages that the virus is protected before the inactivation process is implemented, the production process is advanced, the stability of the effective antigen can be protected to the greatest extent, and support is provided for obtaining an effective antigen solution with high immunocompetence.

The utility model relates to the technical field of hot press equipment, in particular to hot pressboard adjusting equipment for a hot press. According to the technical scheme, the hot-pressing device comprises a rack, universal wheels, a hot-pressing platform, telescopic limiting rods, a buffering mechanism and an adjusting mechanism, the universal wheels are arranged at the four corners of the lower portion of the rack, the hot-pressing platform is arranged on the rack, a fixing frame is arranged on the portion, on one side of the rack, of the hot-pressing platform, and the adjusting mechanism is arranged on the portion, on the fixing frame, in the rack. A hot pressing plate is connected to the adjusting mechanism in a sliding mode, and buffering mechanisms matched with the hot pressing plate are arranged on the upper side and the lower side of the rack; according to the device, the motor can be controlled to drive the two-way screw rod to rotate on the bearing seat and the fixed seat, the two-way screw rod is in threaded fit with the sliding block, so that the sliding block is driven to vertically move along the guide rods, and the guide blocks slide between the guide rods, so that stable movement of the hot pressing plate can be limited; the height of the hot pressing plate can be accurately adjusted, and it is ensured that the moving direction of the hot pressing plate is accurate.

The present invention discloses a system testing method, device, equipment and product for adaptively adjusting load, comprising establishing a data set consisting of historical load characteristic data and historical performance characteristic data; using the data set to perform model training to obtain a prediction model; using the prediction model to predict predicted performance characteristic data corresponding to the instantaneous load characteristic data; and adjusting the test data input to the system according to a preset adaptive adjustment strategy based on the predicted performance characteristic data. The present invention discloses a system testing method, device, equipment and product for adaptively adjusting load, which can adaptively adjust the load to test the system, fully simulate the load scenario of actual business, improve the test effect on the system, and protect the stability of the system during the test.

According to the fluorine-containing polyimide resin and the epoxy resin adhesive based on the fluorine-containing polyimide resin, 2-trifluoromethyl-4, 4 '-diaminodiphenyl ether containing-CF3 is used as a raw material, and dianhydride containing a flexible group and dianhydride containing a rigid group are subjected to proportion optimization and compounding to synthesize the fluorine-containing polyimide resin. And mixing the epoxy resin with tetrafunctional epoxy resin, bifunctional epoxy resin and a curing agent to obtain the epoxy resin adhesive. According to the fluorine-containing polyimide resin, the glass transition temperature of the adhesive can be increased, the heat resistance of the adhesive is enhanced, meanwhile, due to the fact that the fluorine-containing polyimide resin contains-CF3, the solubility of the fluorine-containing polyimide resin in an epoxy system can be increased, and the water absorption rate and the dielectric constant of the adhesive are reduced.

The utility model discloses a quick assembly structure of a reinforced sheet-pile wall, which relates to the technical field of sheet-pile walls and comprises a foundation pile and a main pile, the foundation pile is arranged under the ground, the main pile is arranged on the inner side of the foundation pile, and the upper half part of the main pile extends to the outer side of the top end of the foundation pile; the soil retaining plates are prefabricated type soil retaining plates, and the soil retaining plates are arranged between the two main piles in an up-down stacking state; the sealing plates are horizontally arranged at the top ends of the main pile and the breast boards; and the sealing and reinforcing assembly is arranged between the two main piles, is adjacent to the soil retaining plates and is used for enabling the soil retaining plates to be tightly connected between the main piles in an abutting mode to form a sealing state, and the sealing and reinforcing assembly is arranged between the two main piles, is adjacent to the soil retaining plates and is used for enabling the soil retaining plates to be tightly connected between the main piles in an abutting mode. According to the quick assembly structure of the reinforced sheet-pile wall, the reinforcing and sealing effects on the breast boards are achieved, lateral permeation of soil is prevented, the stability of the sheet-pile wall is effectively improved, and the service life of the sheet-pile wall is effectively prolonged.

The invention relates to a public opinion management and control method for hijacking malicious aggressive attacks. The method comprises the following steps: step 1, constructing a social network evolution diagram; 2, monitoring the public opinion state of the social network; 3, carrying out attack risk early warning; step 4, recovering the abnormal account number; and step 5, providing predictive protection. Through a dynamic interval execution mechanism, the execution frequency of the defense strategy can be automatically adjusted according to the real-time change of the network state. The dynamic adjustment not only effectively reduces the computing overhead of the system, but also ensures the high efficiency and flexibility of defensive measures in response to attacks, thereby better coping with complex and changeable attack environments, providing predictive security measures by identifying and protecting key accounts and schemes with important influence in the network, and improving the security and reliability of the system. The network risk after successful attack is obviously reduced, and the stability of the whole social network is protected.

The utility model belongs to the technical field of wiredrawing tensioning structures, and discloses a woven bag wiredrawing tensioning structure which comprises an operation table, first motors are installed at the two ends of the upper end face of the operation table respectively, the output ends of the first motors are connected with first rotating shafts, and wiredrawing rollers are installed on the outer walls of the first rotating shafts; the outer wall of the wire drawing roller is connected with a wire body, the upper end face of the operation table is provided with a supporting plate, the top end of the supporting plate is fixedly provided with a mounting plate, the mounting plate is provided with a vertical threaded groove, a threaded rod penetrating through the threaded groove in a screwed mode is arranged in the threaded groove, and the bottom end of the threaded rod is provided with a wire scraping knife. Through the interaction of the threaded rod and the threaded groove, the silk scraping knife is attached to the silk body, and when the silk body moves, the silk scraping knife shovels off redundant fine materials or thread ends on the silk body, so that the quality of the silk body is improved, shoveled waste materials are collected, and environmental pollution is reduced.

The invention provides a method for improving drought resistance of leymus chinensis under an extreme drought condition, and belongs to the technical field of drought-resistant cultivation. The invention provides an application of a salicylic acid solution in drought resistance of leymus chinensis, which proves that salicylic acid can participate in regulating stomatal movement of leymus chinensis, reduce water loss and improve the water utilization efficiency of plants; activation of an anti-oxidation system in plants can be promoted, and oxidative stress reaction caused by drought is relieved. In addition, the application of salicylic acid can also induce leymus chinensis to generate more stress response proteins and enhance the stability of cell walls, so that the survival rate of plants in a drought environment is increased. Therefore, the salicylic acid aqueous solution is applied to drought resistance of leymus chinensis, so that development of a new biotechnological means is facilitated, increasingly severe drought challenges are dealt with, and health and stability of a grassland ecosystem are protected.

The weighing and bagging system comprises a control device, and further comprises a rack, a weighing device and a weighing device, the fast and slow feeding device is mounted above the rack; the quantitative weighing device is arranged under the fast and slow feeding device, and the quantitative weighing device is located in the machine frame. The bag fixing devices are symmetrically arranged on the two sides of the quantitative weighing device; the fast and slow feeding device comprises a feeding hopper, a material blocking device and a material uniformizing device. The automatic feeding device is safe, reliable and high in stability, the problems that a material conveyor is frequently started and stopped, the production process is discontinuous, the production link is lengthy, the occupied labor is large, and the working efficiency is extremely low can be solved, and the problem that the feeding precision is uncontrollable due to the fact that material conveying equipment is high in conveying speed can also be solved; and meanwhile, the problem of bagging scattering caused by blanking deviation and eccentric accumulation of materials can be solved, and the weighing and packaging requirements of tobacco stems in a tobacco processing threshing and redrying production line are met.

The utility model discloses an integrated optical fiber isolator for a laser in the field of optical devices, which comprises an integrated optical fiber, the integrated optical fiber comprises an optical fiber body and a plurality of micro-nano structure pairs positioned in the optical fiber body, and the optical fiber body comprises a core layer and a cladding. The included angle between the micro-nano structure pair and the forward transmission direction of the integrated optical fiber is smaller than 90 degrees, so that the micro-nano structure pair is coupled with light which is reversely transmitted in the core layer. According to the utility model, the micro-nano structure is processed on the optical fiber body, and the micro-nano structure is utilized to realize the isolation of the reverse light, thereby not only reducing the damage of the reverse light to the device, but also being higher in integration level and smaller in size of the whole isolation device, and reducing the risk of damage.

The invention relates to the technical field of side slope treatment, and discloses an anti-collision wall structure for side slope rockfall protection. A foundation pit is excavated at a high side slope toe, an anti-collision wall body is installed in a building area of the foundation pit, and a buffer area is additionally arranged, so that rockfall preferentially passes through the buffer area for buffering when falling to the high side slope toe; kinetic energy of fallen rocks is absorbed and dissipated, impact force of the fallen rocks is reduced, the risk that the fallen rocks bounce over the anti-collision wall body after falling to the ground is reduced, and the number of the fallen rocks bouncing over the anti-collision wall body after falling to the ground is reduced. Meanwhile, after falling rocks are buffered, the impact force is small when the falling rocks collide with the anti-collision wall body, the falling rocks are effectively prevented from colliding with factory buildings, a solid barrier is provided for the factory buildings, and therefore the falling rocks are effectively prevented from colliding with the factory buildings, and the safety of personnel and equipment in a field is protected; and direct economic losses such as equipment damage, production and work halt, casualties and the like caused by rockfall disasters are reduced.

The invention provides a protection mechanism and a machine tool with the same, the protection mechanism is detachably arranged on a machine body, the protection mechanism comprises a main shaft fixing assembly, the main shaft fixing assembly comprises a first protection clamping plate and a second protection clamping plate, and a clamping space used for containing a main shaft is arranged between the first protection clamping plate and the second protection clamping plate; at least part of the first protection clamping plate and / or at least part of the second protection clamping plate are / is attached to the main shaft. The cross beam fixing assembly is detachably arranged on the machine body, and at least part of the cross beam fixing assembly is pressed on a cross beam of the machine body; the connecting support is arranged on the machine body, and the electric cabinet assembly of the machine body is fixedly arranged on the connecting support. According to the gantry machine tool, the problem that in the hoisting process of a gantry machine tool in the prior art, parts on the machine tool are prone to shaking, and consequently hoisting safety and efficiency are reduced is solved.

The invention relates to the technical field of computer data processing, in particular to a personnel information offline processing method based on Android. According to the personnel information offline processing method realized by using the Android platform, the personnel information is stored on the mobile equipment by using the local database, so that the defects of a traditional mode are overcome. The method comprises the following steps: acquiring personnel information input by a user; storing the personnel information in a local database; and querying and displaying personnel information according to user requirements. According to the method and the device, offline processing of the personnel information is realized on the Android platform, so that the processing efficiency and the safety are improved, and meanwhile, the user experience is also improved.

The invention relates to the technical field of optical end face detection, and discloses an automatic grouping detection device for the end faces of a quartz tube, comprising an operating cabinet, a guide rail is installed on the top of the operating cabinet, a placing table is installed on the top of the guide rail, a detection module is installed on the outer surface of the guide rail, and a dynamic stop detection component for reducing the depth of field effect during the detection process is arranged inside the operating cabinet, the dynamic stop detection component comprises an L-shaped power seat and a power rod for pulling the detection module by rotating itself, thereby reducing the influence of the depth of field effect on the detection accuracy, and the invention introduces a rotation mechanism of the power rod to drive the L-shaped power seat to rotate synchronously, thereby pulling the detection module to move along a specific trajectory, so that the detection module realizes a movement mode of first moving away and then approaching, and then by changing the distance between the detection module and the end face of the quartz tube, the depth of field effect is effectively improved, and in the process of moving away from the quartz tube, the detection module can capture a wider field of view.

The application relates to the technical field of LED circuit, in particular to a lamp color adjusting circuit with a thyristor light modulation module, which comprises a rectifier circuit, a multi-grade dial code color adjusting circuit, a frequency flash removing circuit, a thyristor current discharge circuit and a constant current light modulation circuit. The rectifier circuit converts an alternating current power supply into a direct current voltage to supply power to a circuit system. The multi-grade dial code color adjusting circuit adjusts the current distribution of LED lamp beads through a dial code switch and a second group of resistors, generates a color adjusting signal, carries out low-pass filtering and dynamic compensation on the color adjusting signal, and outputs a pure control signal to the thyristor current discharge circuit. The thyristor current discharge circuit adjusts a current path according to the control signal to provide a smooth and adaptive power supply for the constant current light modulation circuit. The constant current light modulation circuit realizes constant current output. The design significantly reduces the hardware cost and the complexity of the circuit system, effectively suppresses electromagnetic interference in combination with the low-frequency modulation characteristics of the thyristor, and realizes the balance between light modulation precision and the stability of the circuit system.

The utility model provides a building foundation pit support dewatering device, which relates to the technical field of buildings, and comprises a base and a working mechanism, the lower end of the base is fixedly connected with the working mechanism, a reinforcing component, a connecting rod and a pre-embedded plate, additional stability and supporting force are provided for the base, the firm connection of the whole structure and a foundation is ensured, and the service life of the base is prolonged. The precipitation assembly is combined with an auxiliary inclined plate, a precipitation groove and a filter screen, the water level in the foundation pit is effectively reduced, underground water is prevented from interfering with construction, smoothness of a precipitation system is ensured, the flow guide assembly reasonably distributes water flow after precipitation through a flow guide plate and a partition block, erosion to the periphery of the foundation pit is avoided, and the construction safety is improved. The stability of a construction site is protected, necessary adjustability and adaptability are provided through the foundation sliding assembly and the fixed supporting assembly, the device can adapt to variable construction environments and terrains, and the connecting efficiency of the device and other structures is further improved through the flexibility of the connecting assembly.

The invention relates to the field of deployment supporting frames, and discloses an active millimeter wave human body security inspection equipment outdoor deployment supporting frame which comprises a bearing plate and active millimeter wave human body security inspection equipment arranged on the surface of the bearing plate. Limiting assemblies are arranged at the positions, corresponding to the two sides of the active millimeter wave human body security inspection equipment, of the two side face strip-shaped blocks, slope structures are arranged on the two sides of the bearing plate correspondingly, and bottom supporting assemblies are arranged on the two sides of the bottom of the bearing plate correspondingly. The bottom supporting assembly can carry out adaptive supporting according to the concave-convex area of the ground and is suitable for supporting of different outdoor terrains, then slope structures are arranged on the two sides of the bearing plate, slope surfaces can be formed, a user can walk from the slope surfaces to reach the side face strip-shaped blocks, and then the user passes through the active millimeter wave human body security inspection equipment.

The invention relates to an auxiliary sand cleaning device and method for sand core forming. The device comprises a fixed part, a rotating part and a flapping part. The fixing part comprises a connecting frame, and a rotary driving piece is arranged on the connecting frame; the rotating part comprises a cantilever beam, one end of the cantilever beam is connected with the output end of the rotating driving piece, and the other end is connected with the flapping part; the flapping part comprises a floating mechanism and a floating plate; the floating mechanism provides elastic restoring force for the floating plate, so that the floating plate can float relative to the cantilever beam after being subjected to external force; the area of the floating plate is larger than that of a sand shooting opening of the core making mold; in the working process, the connecting frame is used for being connected with sand shooting equipment, the rotating driving piece is used for providing rotating torque, the cantilever beam is used for converting the rotating torque into beating motion of the beating part, and therefore the floating plate can be aligned with a sand shooting opening for repeated beating. Uncured precoated sand in the sand core can be removed to the maximum extent, and the sand discharging effect is improved.

The application belongs to the technical field of digital information transmission, and particularly relates to a dual-mode flexible control method and system for improving communication stability of a photovoltaic station area, which comprises the following steps: marking time-effect grade labels on service data and writing the labels into a frame control field; the time-effect requirement grade labels comprise a high time-effect grade and a low time-effect grade; generating a channel deterioration tendency index based on gain increment and signal strength attenuation through inter-frame difference, filtering, weighted fusion and normalization; comparing the index with a trigger threshold and a release threshold to switch a regular scheduling state and a protection scheduling state; in the protection state, high time-effect frames are transmitted in dual-mode and low code rate coding, low time-effect frames are backed off and flow control is performed; after the deterioration tendency is stable and lower than the release threshold, the regular scheduling is restored, the buffer is emptied and the flow control is released. The application can perceive channel deterioration in advance, guarantee high time-effect instructions to be delivered reliably in priority, inhibit low time-effect data blocking and congestion, and improve dual-mode communication stability of the photovoltaic station area.