55results about How to "Prevent subsidence" patented technology

A kind of double half-ring type anti-settling buried protection device, including buried cylinder, buried upper cover and two clamps;The buried cylinder is the cylinder that is permeable up and down, the upper end of the buried cylinder is integrally formed with the detection cylinder section for built-in installation and protection gas detector;The buried upper cover can be detachably installed at the upper end of the detection cylinder section, for closing the upper port of the detection cylinder section, so as to protect gas detector when burying;Two clamps are detachably connected together and tightly embrace on the outer circumference of the detection cylinder section;The outer circumference of the clamp is integrally formed with anti-settling half-ring, and two anti-settling half-rings are synthesized into whole circular anti-settling ring.The buried cylinder of the utility model can effectively increase the contact reliability with the earth by two anti-settling half-rings, so that the buried cylinder can be stably fixed in the earth, the pressure capacity of buried protection device is enhanced, and settlement is avoided, and the design of two clamps can effectively reduce the installation difficulty of the whole device.

The utility model relates to the technical field of ceramics, and provides a ceramic raw material stirring device which comprises a main frame, a driving motor is arranged on the side face of the main frame, a first transmission wheel is fixedly connected to the output end of the driving motor, and a first connecting column is fixedly connected to the side, close to the main frame, of the first transmission wheel. A first spiral column is fixedly connected to the side face of the first connecting column, a plurality of shearing gears are rotationally connected to the surface of the first spiral column, a second connecting column is fixedly connected to the side, close to the main frame, of the fourth transmission wheel, and a second spiral column is fixedly connected to the side face of the second connecting column. Through the design of a combined flow field of axial pushing and radial turbulence, the defect of'plunger flow 'of traditional spiral stirring is effectively overcome, axial flow and radial flow are overlapped to form a complex mixed flow field, ceramic particles and additives can be efficiently mixed, heavy particle sedimentation caused by centrifugal force is avoided, and mixing uniformity is remarkably improved.

This utility model discloses a limiting manhole ring for anti-settlement manhole covers, including a base layer, a ground layer, and a limiting mechanism. The ground layer is laid on top of the base layer, and the limiting mechanism is set inside the base layer and the ground layer. The limiting mechanism includes a well hole, an insertion hole, a support ring, a reinforcing bar, a concrete manhole ring, and a ring-shaped reinforcing bar. The well hole is opened inside the base layer, and the top of the well hole penetrates the ground layer. The insertion hole is opened vertically on the outer periphery of the well hole inside the ground layer, and the bottom of the insertion hole extends into the base layer. When the manhole ring and the manhole cover are under pressure, the pressure at the pressure point can be dispersed and transmitted to the interior of the base layer because the position of the support ring is fixed. At the same time, because the reinforcing bar is embedded in the concrete, its position is fixed, and the support ring will not tilt or settle, thereby improving the stability of the concrete manhole ring. It can still avoid settlement problems after long-term pressure and maintain the smoothness of the road surface.

This invention discloses a sludge thickening tank for wastewater treatment plant construction, belonging to the field of sludge thickening technology. It includes a thickening tank with a conical sludge hopper at the bottom and a sludge discharge port at the bottom of the hopper. A sludge discharge pipe is located at the lower end of the discharge port. An overflow weir is slidably connected to the inner curved surface of the thickening tank, and a clear water tank is fixedly connected to the lower end of the outer curved surface. A fixed plate is radially fixedly connected to the upper end of the clear water tank, and a stirring assembly is fixedly connected to the middle of the fixed plate. A fixed chamber is fixedly connected to the upper end of the stirring assembly, and a second drive motor is fixedly connected to the upper end of the fixed chamber. An intermediate shaft and a retraction rod are slidably connected to the fixed chamber. This invention achieves advantages such as high-efficiency thickening, intelligent control, and wear resistance through an innovative structure of adjustable overflow weir + intelligent valve + dual-drive stirring, while also considering ease of operation and safe maintenance, making it suitable for modern wastewater treatment needs.

This invention discloses a tunneling device for pipe jacking construction, relating to the field of pipe jacking construction technology. The device includes a main body, comprising a tunneling head, with a tunneling connecting pipe connected to its end. The tunneling connecting pipe is connected to a connecting pipe at its end. It also includes an anti-settlement mechanism, which is located at the end of the tunneling connecting pipe and outside the connecting pipe. Each positioning mechanism has an adjusting mechanism inside, and a supporting mechanism is located inside each adjusting mechanism. A connecting mechanism is provided between the positioning mechanism and the end of the tunneling connecting pipe. The anti-settlement mechanism includes an outer support sleeve, an inner compression sleeve inside the outer support sleeve, and a tail plate at the ends of the outer support sleeve and the inner compression sleeve. An injection port is provided in the tail plate. This tunneling device for pipe jacking construction can fill the gap between the connecting pipe and the soil during use, and can also prevent the pipeline from shifting its axis.

The present application relates to a kind of probiotic oil agent for improving non-alcoholic fatty liver disease, preparation method and application, the probiotic oil agent includes active ingredient A and active ingredient B, the active ingredient A is mucinophilic Akkermansia Akk11, and the preservation number is CCTCC NO:M2024119;The active ingredient B is Omega-3 fatty acid.The present application is combined with mucinophilic Akkermansia Akk11 and Omega-3 fatty acid, and is prepared into oil agent, and the improvement of NAFLD symptom can play the coordinated synergistic effect, can be used for the prevention and treatment of NAFLD.

The application discloses an inorganic copolymer anticorrosive paint and a preparation method thereof, and relates to the technical field of paints. The inorganic copolymer anticorrosive paint comprises the following raw materials in parts by weight: 20-30 parts of silica sol, 8-15 parts of sodium hydroxide, 30-45 parts of metakaolin, 8-20 parts of quartz sand, 15-25 parts of water, 0.3-2 parts of sodium polyacrylate, 0.2-3 parts of polydimethylsiloxane emulsion, 5-12 parts of modified nanometer titanium dioxide, 6-10 parts of modified epoxy resin, 10-25 parts of hydroxyethyl methacrylate, 5-10 parts of zinc phosphate, 3-8 parts of aluminum tripolyphosphate and 2-6 parts of red iron oxide. The inorganic copolymer anticorrosive paint has scientific raw material proportioning, and the anticorrosive performance is enhanced through the modified nanometer titanium dioxide and the epoxy resin. In the preparation, step-by-step feeding and ultrasonic dispersion are adopted to ensure that the materials are uniform, and vacuum degassing and nitrogen protection are adopted to improve the stability. The silica sol, the zinc phosphate and other components have a synergistic effect, a dense coating is formed, the anticorrosive performance is high, the construction performance is good, and the inorganic copolymer anticorrosive paint is suitable for various scenes.

This invention discloses a polyvinylidene fluoride (PVDF) resin, its preparation method, and its application. The preparation method includes the following steps: (1) preparing PVDF resin emulsion particles by emulsion polymerization of PVDF monomer; (2) adding a reducing agent and a fluorinated solvent to the obtained PVDF resin emulsion particles; (3) adding PVDF monomer, a dispersant, and an oil-soluble initiator to the emulsion obtained in step (2), and then heating to carry out a suspension polymerization reaction; (4) separating the product after the suspension polymerization is completed to obtain the PVDF resin. The PVDF resin of this invention has high flexibility, high product purity, and high adhesion.

This invention provides a water-based self-cleaning superhydrophobic coating, its preparation method, and its application. The water-based self-cleaning superhydrophobic coating comprises the following components in parts by weight: 0.1-0.2 parts acrylic monomers, 5-15 parts acrylate monomers, 6-12 parts acryloyloxysilane coupling agent, 14-26 parts F-SiO2 particles, 0.1-5 parts additives, and 54-68 parts solvent; wherein the F-SiO2 particles are SiO2 modified with a fluorosilane coupling agent. The coating of this invention exhibits excellent superhydrophobic, oleophobic, chemically resistant, and self-cleaning properties. The static contact angle of the coating with water reaches over 165°, demonstrating outstanding superhydrophobic and self-cleaning properties, superior to most commercially available hydrophobic and oleophobic acrylic resins. Furthermore, this invention also offers advantages such as zero VOC emissions, non-flammability, safer transportation and storage, shorter drying time, and lower environmental requirements.

The invention relates to the technical field of aluminum alloy semi-solid processing, and provides a semi-solid slurry flow guide device for aluminum alloy, which comprises a shell, the bottom of the shell is fixedly connected with a rack, one end of the shell is fixedly connected with a feeding pipe, the other end of the shell is fixedly connected with a discharging pipe, and a material shifting mechanism is arranged at one end, close to the feeding pipe, of the inner side of the shell. The material stirring mechanism comprises two rotating plates which are arranged in parallel, a plurality of material stirring plates are fixedly connected between the two rotating plates, a plurality of electric heating pipes are arranged between every two adjacent material stirring plates, a first support is fixedly connected to the outer side of the rack, and a first motor is fixedly installed at the top of the first support; a flow guide mechanism is rotationally connected to the middle of the inner side of the shell, a filter screen is fixedly connected to the end, close to the discharging pipe, of the inner side of the shell, a stirring mechanism is arranged on one side of the filter screen, and a cleaning mechanism is arranged on the other side of the filter screen. Through the innovative mechanism design, the key problem in the aluminum alloy semi-solid slurry diversion process is solved.

This utility model discloses a dust collection device for a pipeline dust removal outlet, belonging to the field of dust collection device technology. It includes a housing fixed to the lower end of a pipeline, with a slag inlet connected to the pipeline at the upper end of the housing. It also includes a spraying mechanism and a negative pressure vacuum cleaner. The spraying mechanism is connected to one side of the housing, and the negative pressure vacuum cleaner is fixed to the upper end of the housing. The upper end of the housing has several suction ports, and the negative pressure vacuum cleaner is interconnected with these ports. A slag outlet is located on the other side of the housing. Advantages of this utility model: In this embodiment, the spraying mechanism uses a water pump to drive water from a nozzle towards the area below the slag outlet inside the pipeline within the housing, thus preventing dust from adhering to water molecules and settling, effectively improving dust settling efficiency. The negative pressure vacuum cleaner can vacuum up unsettled dust and simultaneously absorb mist generated within the housing, further improving the dust removal effect.

The present application relates to a kind of refractory dispersant and its preparation method in the technical field of refractory additive, it is the comb structure copolymer, the copolymer includes styrene-maleic anhydride copolymer main chain, polyethylene glycol side chain grafted on the styrene-maleic anhydride copolymer main chain by ester bond, and phosphate radical;The polyethylene glycol side chain includes short-chain polyethylene glycol with molecular weight of 400-600 and long-chain polyethylene glycol with molecular weight of 800-1200.The present application realizes the precise division of function by using asymmetric compound polyethylene glycol side chain of specific molecular weight range, and controls esterification grafting degree is 50%-85%, not only can provide excellent initial wetting and dispersion force, ensure that slurry has excellent construction fluidity, but also can effectively prevent particle re-aggregation and sedimentation under static or shear, so as to fundamentally solve the technical problem that traditional dispersant is difficult to consider high initial fluidity and long-term anti-settling property, plasticity.

This invention discloses a herbal skin-nourishing cream based on bamboo shoot extract as a solvent and its preparation method. The herbal skin-nourishing cream comprises an oil phase: petrolatum, squalane, dioctyl ether, glyceryl stearate, PEG-100 stearate, hydroxypinazone retinate, natural emulsifier, beeswax, tocopherol, cyclopentamethoxysiloxane, and oil-soluble fragrance; ethylhexylglycerin, niacinamide, and 10% citric acid are used to adjust the pH to 6.0-6.3. The aqueous phase comprises: pentylene glycol, panthenol, capryloyl hydroxamic acid, sodium hyaluronate, xanthan gum, dipotassium glycyrrhizate, sodium chloride, phenoxyethanol, p-hydroxyacetophenone, cellulose gum, and disodium EDTA; the balance is bamboo shoot extract. The average particle size of this invention is 1-5 μm, and the viscosity is 5000-8000 mPa·s. It has undergone heat resistance, cold resistance, centrifugal stability tests, and preservative challenges, demonstrating no stratification or deterioration. Human patch tests have proven its suitability for sensitive skin.

This invention discloses a cerium sulfosalicylate sulfonate for use as a coal combustion catalyst, its preparation method, the catalyst itself, and its applications. The preparation method includes: S10, mixing cerium nitrate and sulfosalicylic acid dihydrate with water to obtain a cerium sulfosalicylate complex solution; S20, adding the cerium sulfosalicylate complex solution to a first reverse micelle solution to obtain a first mixed solution, then adding n-butanol in batches to obtain a first microemulsion; S30, adding ammonia to a second reverse micelle solution, then adding n-butanol in batches to obtain a second microemulsion; S40, mixing the first and second microemulsions and stirring to obtain a pale blue, opalescent colloidal solution, thus obtaining a second mixed solution; S50, drying and grinding the second mixed solution to obtain cerium sulfosalicylate. This cerium sulfosalicylate coal combustion catalyst is easily dispersed and can catalyze the pyrolysis and oxidation processes of coal from within, improving the utilization rate and calorific value of coal.

The utility model relates to a kind of bell and spigot type precast concrete pipe joint construction processing structures, belong to concrete pipe construction structure technical field, including multi-section bell and spigot type precast concrete pipe, the end of each bell and spigot type precast concrete pipe is equipped with sleeve pipe, sleeve pipe is equipped with tapered sealing surface, the outside of the other end of each bell and spigot type precast concrete pipe is equipped with tapered sealing portion, rubber sealing sleeve is sleeved on tapered sealing portion, the junction of adjacent bell and spigot type precast concrete pipe is equipped with sealing mortar layer, the bottom of the both ends of each bell and spigot type precast concrete pipe is equipped with support block.The support block of the utility model can support bell and spigot type precast concrete pipe to lift, facilitate evenly smearing sealing mortar layer outside sleeve pipe, prevent sealing mortar layer to disconnect, by tapered sealing surface, tapered sealing portion, rubber sealing sleeve, sealing mortar layer multilayer sealing, effectively fill gap, substantially reduce leakage risk, guarantee pipeline system water delivery, drainage function stability.

This invention provides a composite cementitious material with high rheological properties, its preparation method, and concrete, comprising an active admixture, 40%–60% ordinary Portland cement, 20%–35% modified marble powder, and 0.8%–2% functional admixtures. The modified marble powder is obtained by surface modification treatment of marble powder with a silane coupling agent and a polycarboxylate superplasticizer, effectively solving the problem of marble powder agglomeration and ensuring uniform dispersion in the cementitious system. This significantly optimizes the rheological properties of the paste, improving fluidity and pumpability. The synergistic effect of cellulose ether and air-entraining agent in the functional admixtures further enhances the material's water retention and anti-segregation stability. The cementitious material prepared by this invention possesses both excellent mechanical properties and durability, and the concrete prepared with it exhibits good workability, dense structure, and reliable long-term performance. Simultaneously, this technology achieves high-value-added resource utilization of marble waste, reduces cement consumption and carbon emissions, and aligns with the direction of green building materials and sustainable development.

The utility model provides a kind of folding hydraulic support device suitable for roadway full section, including telescopic roof beam, detachable bottom plate and a pair of folding outrigger;The telescopic roof beam is used to support roadway roof;The folding outrigger top is hingedly connected in the lower end of the telescopic roof beam, and the folding outrigger bottom is hingedly connected on the detachable bottom plate;Between the folding outrigger and the telescopic roof beam, there is an inclined support oil cylinder, and between the folding outrigger and the detachable bottom plate, there is a side adjusting oil cylinder, and the inclined support oil cylinder and the side adjusting oil cylinder are used to drive the folding outrigger to rotate around hinge point, so that the folding outrigger is folded or vertically unfolded;The detachable bottom plate is used to protect the roadway bottom.This folding hydraulic support device suitable for roadway full section increases the support range, improves the support capacity, and also facilitates the removal of frame.

The utility model relates to high performance lithium iron phosphate electrode material manufacturing technical field, and disclose a kind of manufacturing device of high performance lithium iron phosphate electrode material based on nanotechnology, including conveying frame, the conveying frame one side is fixedly connected with bearing table, the conveying frame top one side is fixedly connected with support.The utility model integrates mixed cylinder, coating head and roll assembly on the same conveying frame structure, realizes the full-process continuous production from slurry mixing, substrate coating to pole piece roll, mixed cylinder is directly connected with coating head by closed pipeline, avoids slurry settlement and viscosity change caused by traditional transfer storage, and main pressure roller is synchronously driven stirring paddle operation by belt pulley, to ensure that slurry mixing uniformity and coating speed dynamic matching, infrared, hot air composite drying system and roll assembly linkage design, make electrode porosity and compaction density can be accurately coordinated control.

The utility model discloses a portable mulching device for mountain crops, belongs to the field of agricultural machinery, including base and film, the bottom fixed connection of base has the push flat plate, and push flat plate's trapezoidal setting, the top of base is swingingly connected with the control mechanism through the bearing, the inside of film swingingly connects in film, and both ends of control mechanism all swingingly connect with the connecting frame through the pivot, it is through positive and negative thread drive rod cooperation drive block structure, makes the inserted rod to be able to quick tension film reel, and the interval of synchronous regulation push wheel and flat wheel, adapts to different topography and operation demand, simplifies the complex assembly process of traditional mulching equipment, secondly, the push flat plate pre -leveling ground, and push wheel is stable in soft soil in the V -shaped anti -trapping strip and advances, avoids the equipment subsidence, and the flat wheel is through the sliding fit of connecting rod, ensures that the film is uniformly compacted, improves the mulching quality, thereby the portability and operating flexibility of equipment have been improved significantly.

This utility model discloses a dust removal device and system, relating to the technical field of dust removal equipment. The dust removal device includes a spray tower, a circulating water tank, and a circulation assembly. The spray tower houses the dust removal assembly and has an air inlet and an exhaust outlet. The air inlet is located below the dust removal assembly, and the exhaust outlet is located above it. The circulating water tank is connected to the bottom of the spray tower and contains a stirring assembly configured to cause the water in the tank to flow vertically. The circulation assembly includes a circulating pump and a water supply pipe. The circulating pump is connected to the interior of the circulating water tank, and one end of the water supply pipe is connected to the dust removal assembly, while the other end is connected to the circulating pump. This dust removal device prevents dust from accumulating at the bottom of the circulating water tank, reducing the workload of operators and eliminating the need for cleaning and downtime, thus avoiding impacts on production efficiency.

The utility model belongs to nanometer water -based paint field especially, it is simple and easy to filter structure of nanometer water -based paint, to the existing because nanometer water -based paint is before filtering, nanometer particle is easy to appear high easy reunion and the phenomenon of settlement or stratification because of surface, thereby difficultly realizes quick filtration through filter screen, even if the efficiency of coating after extrusion treatment is low when filtering, even the problem of filter plate blockage, present the following scheme, including two support plates, be provided with filter frame between two support plates, the inside fixed mounting of filter frame has two filter screens, the inner wall bottom side fixed setting of filter frame has the flow guide block corresponding with two filter screens. The utility model is in use, is favorable to the nanometer water -based paint in stirring frame is stirred to be even, to enhance the dispersity of coating, improve the coating quality before filtering, avoid the phenomenon that nanometer particle still appears high easy reunion and the settlement or stratification when filtering, is favorable to improve subsequent quick filtration.

The utility model relates to the technical field of roadbed engineering, concretely relates to a truss type help wide structure of roadbed, including support truss and replacement foundation, support truss sets up in one side of existing roadbed and with the existing roadbed is adapted, replacement foundation sets up in the below of support truss, replacement foundation is used for carrying support truss to avoid the settlement of support truss, support truss can bear upper load to avoid structural deformation. The utility model uses the support truss of rigid frame structure as the main frame of help wide structure, has enough rigidity to resist upper load, can avoid structural deformation, and then avoids the settlement due to the insufficient rigidity of structure itself, adopts the replacement foundation of light replacement material, and the bearing capacity of support truss and its upper load is better, can avoid the settlement of support truss and its upper load compression replacement foundation to the greatest extent.

The invention discloses a preparation method for coating one side of glass fabric with polytetrafluoroethylene by a vertical gluing machine, and belongs to the field of manufacturing of bonding sheets in copper-clad lamins.The preparation method comprises the steps that firstly, the glass fabric is installed on a rolling device, and tension is adjusted through a fabric storage mechanism; then, a vertical three-roller precise transfer coating system is used for quantitatively coating the PTFE slurry with the controlled viscosity in a constant-temperature glue storage tank on the cloth surface in a single face mode, and the non-coating face is synchronously gelatinized; the coated cloth enters a six-section type vertical drying oven to be subjected to stepped curing, pre-drying, high-temperature melting, crystallization curing and gradient cooling are conducted in sequence, the temperature of the high-temperature section reaches 380-385 DEG C, and a double-layer air curtain is arranged on the non-coated side for isolation; and finally, cooling to 50-80 DEG C, and rolling. The tension is controlled within the range of 5-15 N / cm through a sectional type vertical tension control system in the whole process. According to the method, single-face accurate coating is achieved, the problems of slurry waste, poor uniformity, many defects, unstable size and the like of a traditional horizontal process are solved, and the product performance is excellent.

The application relates to the technical field of graphene and discloses a graphene dispersion liquid preparation method based on ultrasonic assistance, which comprises the following steps: mixing graphene powder, a solvent, nano-silicon dioxide, a dispersion catalyst, a stabilizer and a reducing agent to form a preliminary mixture; pretreating the preliminary mixture with a surface modifier; applying ultrasonic treatment to the preliminary mixture for 5-60 minutes; filtering and centrifugally separating the mixture after the ultrasonic treatment, removing undispersed particles, and obtaining a graphene dispersion liquid with excellent stability and dispersion efficiency; by adding nano-silicon dioxide, the surface characteristics of the nano-silicon dioxide are used to enhance the space stability between graphene sheet layers, and the graphene sheet layers are prevented from re-agglomerating. The dispersion catalyst accelerates the dispersion process and improves the dispersion efficiency. The pretreatment step of the surface modifier significantly improves the affinity between the graphene and the solvent, and further promotes the uniform dispersion of the graphene.

The utility model relates to a water conservancy construction slope protection assembly belongs to the technical field of slope protection, including retaining wall, rainwater inlet one, broken platform, sidewalk, rainwater inlet two, rainwater inspection well, concrete socket pipe, and the drainage main steel pipe is poured in retaining wall, and the upper and lower ends of drainage main steel pipe are fixed with steel upper bend and steel lower bend respectively, and the other end of steel upper bend and steel lower bend is connected with rainwater inlet one and rainwater inlet two respectively, and the bottom of retaining wall is equipped with broken stone backfill layer, and the top inboard of broken stone backfill layer is equipped with the support slope that supports retaining wall bottom and makes retaining wall inboard lean and stick in the outside of slope body. The utility model, can timely remove the water on the slope road inboard of retaining wall, reduce the water pressure behind wall, prevent the deformation, displacement even collapse because of too much water and retaining wall bear too big lateral pressure, guarantee the stability of retaining wall. Improved drainage efficiency, and the bottom of retaining wall is equipped with broken stone backfill layer, and retaining wall settlement is prevented better.

This utility model relates to the field of wastewater treatment technology, and in particular to a polyferric sulfate feeding device for wastewater treatment. The polyferric sulfate feeding device for wastewater treatment includes a base plate, a shaking plate, a feeding bucket, a moving edge-adhering mechanism, and a feeding and dispersing mechanism. Locking casters are fixedly installed at the four corners of the lower surface of the base plate, and a push handle is fixedly connected to the outer side of the base plate. The shaking plate is connected to the upper surface of the base plate through an anti-caking mechanism, and the feeding bucket is placed on the upper surface of the shaking plate. The base plate is provided with a moving edge-adhering mechanism that moves in accordance with the wastewater tank, and the upper surface of the base plate is provided with a feeding and dispersing mechanism. This utility model ensures that the polyferric sulfate solution is fully dispersed before entering the wastewater through the feeding and dispersing mechanism, thereby achieving more uniform mixing with the wastewater, better exerting the flocculant's effectiveness, and solving the problem of uneven flocculant liquid dispersion in traditional feeding methods.

This utility model relates to the field of unmanned aerial vehicle (UAV) technology and discloses a self-adjusting landing structure for UAVs. The structure includes a UAV body, a mounting base fixedly mounted on the UAV body, a mounting plate at the bottom of the mounting base, grooves and slots on the outer wall of the mounting plate, a locking disc on the outer wall of the mounting plate, and a locking rod on the outer wall of the mounting plate. Through the linkage design of the buffer airbag and the air outlet component, adaptive adjustment to different ground hardness is achieved. When the UAV lands, the internal air pressure of the buffer airbag increases after being compressed, and the pressure pushes the sealing plate to slide open the air hole for pressure relief. The greater the impact force, the larger the air hole opening, the faster the pressure relief speed, and the stronger the buffering effect. Whether it is the high impact of hard cement ground or the continuous compression of soft sand, this structure can dynamically adjust the buffering force to avoid excessive vibration or sinking of the fuselage, effectively protecting the precision equipment inside the UAV and significantly improving landing safety.