29results about How to "Stop erosion" patented technology

This invention provides a halide solid electrolyte and its preparation method, belonging to the field of solid electrolyte technology. First, alkylphosphonic acid is reacted with lithium carboxylate to prepare lithium-ionized alkylphosphonic acid. Then, the lithium-ionized alkylphosphonic acid is mixed with a halide electrolyte, and the mixture is dispersed in a solvent, stirred, filtered, and dried to obtain a halide solid electrolyte coated with lithium-ionized alkylphosphonic acid. This invention constructs a dense, uniform hydrophobic protective layer on the surface of halide electrolyte particles through in-situ coating with long-chain lithium alkylphosphonate, effectively isolating moisture and oxygen from the environment and significantly improving the air stability of the halide electrolyte. Simultaneously, this coating layer helps reduce the interfacial impedance between the electrolyte and electrode materials, optimizing the overall ionic conductivity of the material.

The utility model relates to the technical field of LED street lamps, in particular to an LED street lamp with a heat dissipation structure convenient to install. The LED street lamp convenient to install the heat dissipation structure comprises a shell, installation frames, a light bar and the like, the installation frames are fixedly connected to the left side and the right side of the bottom of the shell, the light bar is installed on the upper portion of the right wall of the shell, a solar panel is installed on the top of the shell, a draught fan is installed on the upper portion in the shell, and the draught fan, the light bar and the solar panel are all electrically connected. Hot air is dissipated through the draught fan and the square holes, then residual heat is taken away through the natural cooling effect and the evaporation process of rainwater in the hollow plate, and therefore the temperature of the street lamp is effectively reduced, environment protection and energy conservation are achieved, manual liquid supplementing is not needed, and the street lamp has the advantages of being high in cost benefit, high in adaptability and the like. Opening and closing of the square hole are controlled through the baffle, so that rainwater is prevented from continuously entering the shell from the square hole in rainy seasons, rainwater erosion is effectively prevented, and a circuit is protected from being affected.

The utility model relates to the technical field of water and soil loss treatment, in particular to a slope protection device which comprises a slope protection net, the slope protection net comprises fixing piles, pull ropes and slope protection vegetation, the pull ropes are arranged to be of a latticed structure and cover a slope soil body, the fixing piles are arranged at the joints of the latticed structure formed by the pull ropes, one ends of the fixing piles are fixed in the slope soil body, and the other ends of the fixing piles are fixed in the slope soil body. The other ends of the fixing piles are connected with nodes of a latticed structure, and slope protection vegetation is arranged in grids of the latticed structure; the fixing pile comprises a pile body and a protective layer covering the pile body. According to the slope protection structure, the grid-shaped structure formed by the pull ropes can be fixed to the slope through the arranged fixing piles, and the strength of the fixing piles can be improved through the protection layers arranged outside the fixing piles. The protective layer can reduce corrosion and solarization on the fixing pile. The protective layer can effectively block erosion of harmful factors, the service life of the fixing pile is prolonged, and the maintenance cost is reduced.

The utility model provides a safety dial for a double-end LED straight tube, which relates to the technical field of electrical elements and comprises a dial switch body. Two groups of pins are symmetrically arranged on the bottom end surface of the dial switch main body; the two groups of pins are parallel to each other; the top end surface of the dial switch main body is provided with a group of dial buttons; a sliding seat is arranged on the top end surface of the dial switch main body; the top end face of the sliding base is rotationally connected with a protective shell. The protective shell is aligned with the position of the shifting button; and the lower part of the dial switch main body is arranged in an anti-collision plate. A sliding seat 107 is shifted to move, then a control rack drives a control gear to rotate through a series of transmission, a protective shell is turned over, a shifting button is exposed to facilitate operation of a worker, and the problems that when the worker operates a double-end LED straight pipe or peripheral equipment thereof, the worker is prone to mistakenly touching a safe dial code, and the safety of the worker is affected are solved. Therefore, the problem that the state of the double-end LED straight tube is changed is solved.

The utility model discloses a fixing frame of a noise pollution microphone, which relates to the technical field of microphone fixing and comprises a supporting part and a clamping part. The supporting part comprises a supporting seat, supporting legs and the like, the supporting legs can be expanded to increase the supporting area by supporting linkage structures such as adjusting knobs, and an arc-shaped groove in the bottom of the supporting part can increase the ground friction force. The clamping part is adjustably arranged on the supporting seat, the height is adjusted through the first clamping adjusting knob, the angle and direction of the microphone are adjusted through the cooperation of the second clamping adjusting knob and a related structure, the microphone can be stably clamped through the silica gel material on the clamping block, and the top clamping baffle can prevent rainwater erosion. The fixing frame solves the problems that an existing fixing frame is insufficient in stability, inconvenient to adjust and poor in protection performance, and has the advantages of being high in stability, flexible and accurate to adjust, capable of prolonging the service life of equipment and the like.

The utility model relates to a lightning arrester counter convenient to install belongs to lightning arrester counter technical field, including backplate, two connecting plates and quick locking assembly, the quick locking assembly includes the first locking block of installing on backplate rear side wall upper end and lower end position, the quick locking assembly still includes the second locking block of installing respectively in two connecting plates front side wall, two second locking blocks and two first locking blocks staggered distribution, the second locking block of upper end and the first locking block of upper end are connected, adopt the unique quick locking assembly, through the meshing drive of the incomplete tooth disc and the incomplete gear ring with the elastic force action of cooperation torsional -tensile composite spring, realize the quick connection and separation of backplate and connecting plate, whole installation process does not need complicated tool, greatly reduced manpower cost and time cost.

The utility model relates to the technical field of line protection equipment, in particular to a digital line protection device, which comprises a box body, a protector body mounted on the front surface of the box body, a display screen mounted on the front surface of the protector body, and a button mounted on the front surface of the protector body and positioned below the display screen. Mounting wings are fixedly connected to the two sides of the protector body correspondingly, a protection plate is rotationally connected to the front face of the mounting wing located on the left side of the protector body, shifting plates are arranged in the middles of the two mounting wings correspondingly, a limiting structure is mounted in the mounting wing located on the right side of the protector body, and fixing structures are mounted in the two mounting wings correspondingly. According to the digital line protection device provided by the utility model, the limiting of the protection plate is relieved by pulling the shifting plate rightwards to drive the limiting structure, the fixation of the protector body is relieved by pressing the shifting plate to drive the fixing structure, and the digital line protection device has the advantages of enhancing the protection performance and optimizing the installation and maintenance experience.

The utility model discloses a kind of reinforced concrete structures of radiation protection, it is related to building material technical field.The utility model includes concrete structure main body, the concrete structure main body is composed of reinforced concrete layer, radiation protection concrete layer and ordinary concrete layer, reinforced concrete layer, radiation protection concrete layer and ordinary concrete layer are sequentially arranged from inside to outside, the inner wall of the outer layer decoration subassembly is filled with lightweight radiation protection material, the surface of the reinforced concrete layer and the surface of radiation protection concrete layer are all provided with scratch groove, the surface of the reinforced concrete layer and the surface of radiation protection concrete layer are all provided with hanging net subassembly.The utility model is through the structure design of multilayer, simultaneously optimize the material in the inside of concrete structure main body, set up radiation protection filling layer outside concrete structure main body, to further can increase the radiation protection performance of this structure, the utility model is through the setting of scratch groove and hanging net subassembly, promote the bonding force between different structure layers.

The application relates to the technical field of composite material preparation, in particular to a metallurgical bonding nickel-coated copper rod and wire manufacturing method, which comprises the following steps of: copper core preparation, stirring T1 oxygen-free copper powder and borax adhesive, extruding and polishing to complete copper core preparation; shell preparation, selecting a nickel rod to cut and process into a nickel shell and a nickel back cover; smelting treatment, preparing a reinforcing agent, cleaning the inside of the nickel shell, smearing the reinforcing agent, putting the copper core into the nickel shell, and sending the nickel shell into a vacuum smelting furnace for sealed smelting treatment. In the application, various components in the reinforcing agent are mutually synergistic and mutually promoting, a dense metallurgical bonding layer is formed on the bonding interface of the nickel-coated copper rod, the atomic arrangement of the bonding layer is close and orderly, the bonding strength between copper and nickel is greatly enhanced, and the two kinds of metals are no longer simply mechanically bonded, but are firmly metallurgically bonded through mutual diffusion and chemical bonding between atoms.

The utility model discloses a stabilizing device for a large-scale photovoltaic support, which comprises a support body, a photovoltaic panel body is fixedly arranged at the top of the support body, and a stabilizing assembly is fixedly arranged on the inner side wall of the support body; the stabilizing assembly comprises a clamping ring and a clamping plate, the clamping ring is fixedly installed on the inner side wall of the support body, and the clamping plate is connected to the inner side wall of the clamping ring in a clamped mode. According to the stabilizing device of the large-scale photovoltaic support, through the arranged stabilizing assembly, the external force impact of the photovoltaic support when the photovoltaic support bears extremely severe weather such as strong wind and snowstorm is effectively dispersed, so that the whole photovoltaic support can still keep the structure stable in a complex environment; according to the photovoltaic support, the risks of shaking, deformation and even collapse caused by external force are greatly reduced, normal installation and continuous and stable power generation of the photovoltaic assembly are guaranteed, the service life of the photovoltaic support is prolonged, and the maintenance cost and potential safety hazards caused by the stability problem of the support are reduced.

The retaining wall structure with the inverted filtering function comprises a concrete retaining wall and a decorative plate, a built-in cavity is formed in the front end of the concrete retaining wall, positioning rods are fixed to the left side and the right side of the inner wall of the built-in cavity, a second adhesion plate is arranged in the middle of the inner wall of the built-in cavity, the decorative plate is arranged on the front side of the built-in cavity, and the inner wall of the decorative plate is provided with an inverted filtering function. And a fixing strip is arranged on the inner wall of the decorative plate, and an insertion hole is formed in the fixing strip. According to the retaining wall structure with the inverted filtering function, the geotextile inverted filtering layer mainly has the functions of filtering, water drainage and protection in the concrete retaining wall, the geotextile inverted filtering layer can effectively prevent soil particles from entering a water drainage system along with water flow, the water drainage system is prevented from being blocked, and smooth water drainage is kept; the geotextile inverted filter allows water to be discharged through the geotextile material, the water pressure behind the retaining wall is reduced, the stability of the retaining wall is enhanced, the geotextile inverted filter prevents soil erosion and loss, and the retaining wall structure is protected against damage.

This invention discloses a polyolefin adhesive for liquid cooling plates, a heat-bonding film, and a method for preparing the same. The polyolefin adhesive for liquid cooling plates comprises the following raw materials in parts by weight: 40-80 parts of a base resin; 5-40 parts of a tackifying resin; 1-35 parts of a flame retardant; 1-5 parts of a crosslinking agent; and 0.1-0.5 parts of an antioxidant. The base resin is maleic anhydride polyolefin resin, and the crosslinking agent includes aziridine crosslinking agent, or may also include at least one of polycarbodiimide, bisphenol A type epoxy resin, and bisphenol A type phenolic epoxy resin. This invention achieves a reduction in the curing temperature of the adhesive film and improves its performance.

The utility model discloses a kind of online safety real-time monitoring devices of foundation pit, belong to building construction technical field, the online safety real-time monitoring device of this foundation pit, including connecting pipe, the connecting pipe outer wall bottom is fixedly connected with mounting ring, the rotatory component top is fixedly connected with detector, the connecting pipe outer wall one side top is equipped with protection component, the utility model is through being provided rotatory component, without frequently running between different detection points to rearrange equipment, simultaneously, only need to pass through rotatory component adjustment detector direction and angle, can greatly reduce manpower input, by setting protection component, the erosion of ultraviolet, oxygen, moisture and other factors to device shell and internal material can be blocked, slow down the aging speed of material, simultaneously, device internal spare and accessory can also be reduced wear and tear, reduce failure incidence, and convenient to dismount and install, facilitate maintenance personnel to the device is regularly checked and maintained, improve management efficiency.

This utility model relates to the field of power transmission tower technology, specifically a stress data acquisition sensor for power transmission towers. It includes a base, a strain gauge sensor, a data cable, and a protective device. The strain gauge sensor is fixed to the surface of the base, and the data cable is fixedly connected to one end of the strain gauge. The protective device is located on the surface of the base and includes a rod fixedly connected to the base. A circular sleeve is provided on the upper surface of the strain gauge sensor, and locking blocks are fixedly connected to both ends of the sleeve. The sleeve fits onto the strain gauge sensor. A through groove is provided on the lower surface of the locking blocks, and the rod is inserted into the locking blocks. This utility model provides physical protection for the strain gauge sensor by fitting the circular sleeve around it. The rod, inserted into the locking blocks, works in conjunction with a torsion spring to drive a clamping plate for secure fixation. This effectively blocks erosion from wind, rain, and sand, reducing damage to the sensor from external impacts. It is also easy to install and remove; the circular sleeve can be removed by pressing the clamping plate, facilitating maintenance without affecting the normal operation of the sensor and ensuring stable data acquisition.

This utility model discloses an installation device for corrosion-resistant steel structures, relating to the field of steel structure technology. It includes steel structure A and steel structure B, with protective covers fitted onto both structures. The steel structures A and B are fixed to the protective covers by fixing bolts. A protective shell is also provided on the side wall of the protective cover, covering the outside of the fixing bolts. A locking component is provided on the protective shell, which is then fixed to the protective cover. This utility model provides overall protection for the steel structure connection points with the protective cover and a second sealing strip, reducing the impact of the external environment. The protective shell, combined with the first sealing strip, individually protects the fixing bolts. This double-sealing structure effectively prevents corrosion from rainwater and other sources, significantly reducing the risk of rust on the steel structure and bolts, significantly improving the corrosion resistance of the steel structure, and extending its service life.

The utility model discloses a refrigerator car with a carriage cleaning function, which relates to the technical field of refrigerator cars and comprises a carriage main body, a moving component is arranged at the top of an inner cavity of the carriage main body, and the moving component comprises a threaded lead screw transversely arranged at the top of the inner cavity of the carriage main body. Through the synergistic effect of multiple structures, efficient protection of the threaded lead screw is achieved; the protection box isolates direct invasion of clean water and sundries, abrasion and jamming risks caused by the fact that the foreign matters enter a thread gap of the threaded lead screw are avoided fundamentally, the design that the T-shaped sliding block and the water blocking belt are matched with the spring disc is adopted, protection dynamic extension is achieved in the sliding block moving process, an exposed gap of a receding groove in the bottom of the protection box is filled, and the service life of the sliding block is prolonged. Cleaning water is effectively prevented from splashing to erode the surface of the lead screw; according to the scheme, static protection and dynamic shielding are combined, the durability of the transmission assembly is remarkably improved, long-term stable operation of the self-cleaning system is guaranteed, and the maintenance cost and the fault risk are reduced.

The application discloses an assembled prefabricated side wall, a bottom plate is arranged along the extension direction of infrastructure, and a stiffening assembly and a first concrete layer are arranged in the bottom plate; the stiffening assembly is arranged in the interval of the bottom plate; the first concrete layer is cast in the inside of the bottom plate and forms an integrated structure with the stiffening assembly; a plurality of wall bodies are vertically fixed on both sides of the bottom plate and form a U-shaped integrated structure, and the end of the plurality of wall bodies close to the bottom plate is provided with a connecting assembly for fixed connection with each other. In the application, the wall bodies are precisely connected and firmly connected through the connecting assembly, the plurality of wall bodies are vertically fixed on both sides of the extension direction of the bottom plate, so that the side wall forms a closed enclosure system in the horizontal direction, can effectively block the erosion and interference of the external environment on the track foundation, when the bottom plate is subjected to load action, the stiffening assembly can improve the bending and shearing resistance of the bottom plate, and further improve the structural strength of the bottom plate and the wall body as a whole, so that the construction quality of the side wall is ensured.

The utility model relates to a protection mechanism for a photoelectric connector, which comprises a photoelectric connector socket, the outer surface of the photoelectric connector socket is provided with the protection mechanism, the protection mechanism comprises a cover plate hinged to one end of the photoelectric connector socket, and the outer surface of the cover plate is fixedly connected with a clamping block. A rotating shaft is fixedly connected to the outer surface of the photoelectric connector socket, a buckle is rotatably connected to the outer surface of the rotating shaft, a clamping groove is formed in the buckle, one end of the clamping block is in an arc shape, and an opening of the clamping groove is elastic. According to the protection mechanism for the photoelectric connector, the cover plate is arranged on the outer surface of the socket of the photoelectric connector, and reliable closing of the cover plate is realized through cooperation of the clamping blocks and the buckles, so that erosion of external environmental factors such as dust and moisture to the socket of the photoelectric connector can be effectively prevented; therefore, optical elements and electronic elements in the connector are protected from being damaged, and the service life of the photoelectric connector is remarkably prolonged.

The application provides an alumina-carbon double-layer coated silicon composite material and a preparation method and application thereof, and relates to the technical field of lithium ion battery negative electrode materials.The application provides an alumina-carbon double-layer coated silicon composite material, which comprises nanosilicon, an amorphous carbon layer coated on the surface of the nanosilicon, and an alumina layer coated on the surface of the amorphous carbon layer.Through the double-layer coating of the carbon layer and the alumina layer, the problems of volume expansion of the silicon negative electrode, poor conductivity and instability of the SEI film are solved, the electrochemical reaction activity of the battery is increased, and the long cycle stability of the negative electrode material is significantly improved.The data of the embodiment show that the alumina-carbon double-layer coated silicon composite negative electrode material prepared by the application has a first circle discharge specific capacity of 2251.45 mAh / g at 0.1 C, and the reversible discharge specific capacity can reach 719.23 mAh / g after 1000 cycles at 0.5 C.

The utility model belongs to the technical field of bridge cables, in particular to a bridge cable anti-corrosion protection device which comprises a cable body for a bridge, two stainless steel semi-rings and two plugging covers, one end of each plugging cover is fixedly connected with a connecting rod, a sacrificial anode protection mechanism is arranged between each connecting rod and the corresponding plugging cover, and the other end of each plugging cover is fixedly connected with the corresponding stainless steel semi-ring. An anti-corrosion combined layer is fixedly arranged on the outer side of the cable body, the two stainless steel semi-rings are rotationally connected with each other, and the cable body is movably arranged in the two stainless steel semi-rings in a sleeved mode. The corrosion-resistant cable is reasonable in structural design, through the arrangement of the sacrificial anode bar, the plugging cover, the connecting ring, the stainless steel semi-ring and the corrosion-resistant combined layer, the cable body can be comprehensively subjected to a corrosion-resistant effect, so that the cable body is not prone to being corroded and damaged, the service life of the cable body is prolonged, the sacrificial anode bar which is seriously corroded can be conveniently disassembled, assembled and replaced at regular intervals, and the service life of the cable body is prolonged. The anti-corrosion effect is improved, and the reliability is high.

This invention provides a graphene-modified concrete surface protective material, comprising a separately stored inner coating and modified graphene. The inner coating is obtained by dispersing inorganic nanoparticles and graphene in cement and adding a defoamer for defoaming. The modified graphene is obtained by surface modification of graphene with a modifier prepared from silica microspheres, chain extenders, inorganic nanoparticles, and water. When this surface protective material is used on the surface of concrete components, it can improve their mechanical properties, corrosion resistance, and extend the service life of the concrete components.

The application relates to a light periclase-zirconite aggregate with a core-shell structure and a preparation method thereof.The technical scheme is as follows: 84.0-96.0 wt% of magnesium hydroxide powder and 4.0-16.0 wt% of zirconite powder are used as raw materials, 2.0-5.0 wt% of aluminum hydroxide powder and 2.5-5.0 wt% of polyvinyl alcohol of the raw materials are additionally added, stirring is carried out, forming is carried out, drying is carried out, then the temperature is kept at 800-1100 DEG C for 1-3 hours, then the temperature is kept at 1400-1600 DEG C for 1-4 hours, cooling is carried out, crushing is carried out, screening is carried out, and packaging is carried out, so that the light periclase-zirconite aggregate with a core-shell structure is prepared.The light periclase-zirconite aggregate with a core-shell structure prepared by the application has the characteristics of high closed-pore porosity, small pore size, high strength, low thermal conductivity, excellent thermal shock resistance and excellent corrosion resistance.

The application discloses a flexible perovskite solar cell based on an oleylamine chlorine passivation agent and a preparation method thereof, and relates to the technical field of solar cells. The solar cell comprises, from bottom to top, a flexible substrate, an electron transport layer, a perovskite light absorption layer, an oleylamine chlorine interface passivation layer, a hole transport layer and a gold electrode layer. In the preparation, after the perovskite light absorption layer is formed, an oleylamine chlorine solution is coated on the surface of the perovskite light absorption layer by using a low-temperature solution spin coating method, and the passivation layer is obtained through heating and drying. The chloride ions in the oleylamine chlorine molecules directly passivate uncoordinated defects on the surface of the perovskite, inhibit non-radiative recombination and optimize energy level matching. Meanwhile, the long-chain alkyl groups in the molecules construct a hydrophobic barrier layer to block the environmental water and oxygen erosion. Through simple interface engineering modification, the application improves the photoelectric conversion efficiency and environmental stability of the device, and the process is matched with the flexible substrate, which is beneficial to large-scale production.

The utility model relates to the technical field of water conservancy mud flat supports, in particular to a water conservancy mud flat support device which comprises a support frame and a bearing plate, the bearing plate is connected to the inner side of the support frame in a sliding mode, and the lower end face of the support frame is fixedly connected with a plurality of protection type support assemblies. The protective support assembly comprises an adjusting screw rod fixedly connected to the lower end face of the support frame, the adjusting screw rod is in threaded connection with a screw sleeve, the lower end of the screw sleeve is fixedly connected with a spiral grounding part, the spiral grounding part is used for fixing the support frame, and a sealing bearing is fixedly installed on the peripheral wall of the screw sleeve. And the outer ring of the sealing bearing is fixedly connected with an outer sleeve. According to the utility model, the adjusting screw rod and the screw sleeve can be effectively prevented from being eroded by water vapor, the operation smoothness of a connecting and adjusting structure in the mud flat supporting device is ensured, the use stability of the mud flat supporting device is ensured, the supporting bracket can be timely and fully cushioned, supported and protected, and the structural strength of the mud flat supporting device is favorably kept.

The utility model relates to a kind of weighing device of feeding box, the utility model is through the structure of "built-in weighing device+cover protection", solve the problem that traditional weighing assembly is exposed to dust, material pollution, leading to detection precision decline, service life shortening;Meanwhile through the "L type board sliding slot+slider" guide structure, limit the lateral deviation of aggregate bin in the process of bearing or discharging, avoid to intensify weighing error due to position swing, applicable to the industry of high requirement to material quantity precision control such as feed, food etc..Through the structure of "built-in weighing device+cover protection", solve the problem that traditional weighing assembly is exposed to dust, material pollution, leading to detection precision decline, service life shortening;Meanwhile through the "L type board sliding slot+slider" guide structure, limit the lateral deviation of aggregate bin in the process of bearing or discharging, avoid to intensify weighing error due to position swing, applicable to the industry of high requirement to material quantity precision control such as feed, food etc..

The invention relates to the technical field of batteries, and discloses a modified high-nickel positive electrode material and a preparation method and application thereof, the preparation method comprises the following steps: (1) mixing a cobalt salt, an organic ligand and a solvent to obtain an MOF precursor solution; (2) dispersing a high-nickel positive electrode material in the MOF precursor solution for reaction to obtain an intermediate product; and (3) carrying out solid-phase mixing on the intermediate product and a sulfur source, and carrying out heat treatment to obtain the modified high-nickel positive electrode material, the modified high-nickel positive electrode material comprises a high-nickel positive electrode material and a composite coating layer, wherein the composite coating layer comprises cobalt sulfide and a carbon material. According to the preparation method provided by the invention, the MOF material is grown in situ on the high-nickel positive electrode material, and then the sulfur source is used for vulcanization, so that the uniform and compact composite coating layer which is firmly combined with the matrix on the nanoscale is formed on the surface of the positive electrode material, the interface stability, the thermal stability and the conductivity of the material are improved, and the electrochemical performance of the battery material is further improved.

This utility model discloses a composite sealing strip for a vacuum glass retrofitted window, comprising a window body and a composite sealing strip. The window body is disposed on both sides of the composite sealing strip. The composite sealing strip includes a frame, a sealing rubber layer, and an insulating protective layer. Inner rubber layers are disposed on both sides of the frame, and a desiccant is filled in the internal cavity of the frame. The sealing rubber layer is disposed around the outside of the frame, and the insulating protective layer is disposed around the outside of the sealing rubber layer. This utility model, by installing the insulating protective layer, can block external erosion such as ultraviolet rays and dust. The heat insulation layer reduces the impact of temperature on the sealing rubber layer, effectively delaying the degradation, cracking, hardening, and other aging phenomena of the sealing rubber layer. The design of the rubber sealing gasket allows the insulating protective layer to form a secondary seal at the contact point with the window body, ensuring the sealing effect of the vacuum glass, improving the window's heat insulation and sound insulation performance, and strengthening the protection of the sealing rubber layer.

This invention belongs to the technical field of sealant adhesive materials, specifically relating to a weather-resistant modified silane sealant and its preparation method. The preparation method of the weather-resistant modified silane sealant of this invention includes the following steps: S1, polypropylene glycol is sequentially subjected to alkoxide treatment and allylation treatment to obtain a polyether containing double bonds; the polyether containing double bonds and mercaptopropyltrimethoxysilane are used as raw materials for end-capping modification to obtain a silane-modified polyether material; S2, the silane-modified polyether material, filler, and plasticizer are mixed and vacuum stirred to obtain a mixture; S3, after cooling, a silane coupling agent, vinyltrimethoxysilane, catalyst, ultraviolet absorber, light stabilizer, and antioxidant are added to the mixture and stirred; the mixture is then discharged and sealed to obtain the weather-resistant modified silane sealant. This invention effectively improves the tensile strength of the material while ensuring good weather resistance of the sealant.

The utility model relates to the technical field of floating boxes of wetland excavators, and discloses a floating box structure of an assembly type wetland excavator, which comprises a walking frame, a floating box body is arranged on the side wall of the walking frame, a fixing component is arranged on the side wall of the walking frame, and a protection component is arranged on the side wall of the floating box body. The fixing assembly comprises a mounting sleeve and a connecting block, the side wall of the mounting sleeve is fixedly connected to the side wall of the walking frame, the connecting block is fixedly connected to the side wall of the buoyancy tank body, a mounting groove is formed in the connecting block, and a clamping groove is formed in the connecting block. According to the quick mounting structure, the connecting block is inserted into the mounting sleeve, so that the clamping block is extruded, when the connecting block completely enters the mounting sleeve, the clamping block is clamped into the clamping groove through the thrust of the spring to be preliminarily fixed, then the bolt is rotated to enter the mounting groove to be further fixed, and the quick mounting effect is achieved; through the structure, the installation efficiency of equipment is improved.