2135 results about "Sealant" patented technology

The invention relates to the technical field of building materials, in particular to a fabricated ALC light wallboard and a mounting method thereof.The fabricated ALC light wallboard comprises a bottom support unit arranged on the ground, the bottom support unit comprises a bottom support frame arranged on the ground, the bottom support frame is of a U-shaped structure with an upward opening, and a plurality of clamping parts are mounted on the front side wall and the rear side wall of the bottom support frame; the assembly type ALC light wallboard further comprises a plurality of wallboard units, and the wallboard units are evenly distributed on the bottom support unit. According to the wallboard bodies, the clamping protrusions are matched with the clamping grooves, the elastic clamping structures of the buckling parts and sealant are combined, the adjacent wallboard bodies can be rapidly connected, smearing of a traditional binder and waiting for solidification are not needed, positioning installation of the bottom supporting units and the top supporting parts is completed through preset drilled holes and standardized connecting pieces, and the installation efficiency is greatly improved. And the limiting plate and the back shore frame are matched to synchronously limit the installed wallboard body, repeated adjustment is avoided, and the overall construction efficiency is improved.

The invention relates to the technical field of tensile tests, and discloses a building sealant stretching performance test device, which comprises a test box, a first clamp, a loading block, a linear driver and a driving mechanism, a door plate is mounted on the front of the test box; the first clamp is installed at the top in the test box, the loading block is arranged in the test box, located below the first clamp and driven by the linear driver to move up and down, a through loading channel is formed in the loading block, and a cylinder is arranged in the loading channel and driven by the driving mechanism to rotate; a through assembly channel is formed in the cylinder body, and a transversely-arranged guide rail body is installed in the assembly channel. According to the invention, by carrying out stretching, torsion, inclined stretching, tearing stretching, winding stretching and testing in a low-pressure environment on the sealant, the mechanical properties of the sealant under complex working conditions can be comprehensively evaluated, the testing precision and reliability are improved, the actual engineering requirements are met, and meanwhile, the testing safety and environmental protection property are ensured.

A mounting system includes a mounting device. The mounting device includes an internal cavity defined in a side of the mounting device, a first sealant aperture defined in the mounting device and opening into the internal cavity, a second sealant aperture defined in the mounting device and opening into the internal cavity, the first sealant aperture and the second sealant aperture being in fluid communication when the mounting device is placed on a surface for use, and a fastener aperture defined through the internal cavity. The mounting system further includes a coupling bracket including a bottom portion, an underside surface of which is correspondingly shaped in conformance with a shape of an outer surface of a central portion of the mounting device so as to be accommodated thereon when in use, and a fastener to couple the mounting device and the coupling bracket together via the fastener aperture.

The present invention is drawn to an adhesive or binder composition comprising, —a cationic polyelectrolyte, —an anionic polyelectrolyte, —a mineral salt selected from the group consisting of alkaline metal or alkaline earth metal halogenides, —a particulate mineral filler, —a water-soluble polyphenol comprising at least one polyhydroxylated aromatic ring structure, and —water It is also drawn to the use of such a composition as an adhesive, binder, coating or sealant in the construction industry.

The invention discloses a self-suspension ultrahigh-intensity pressure activated phase change sealing capsule for micro-leakage control and a preparation method thereof, and belongs to the technical field of leaking stoppage materials. The preparation raw materials comprise the following components in parts by weight: 50-100 parts of latex, 50-150 parts of water, 5-20 parts of an activating agent, 5-20 parts of a crystal phase change nano reinforcing agent, 5-20 parts of a defoaming agent, 1-10 parts of nano metal oxide, 0.5-5 parts of an anti-scorching agent, 0.5-5 parts of an accelerant and 50-150 parts of a terminating agent. The crystal phase change type nano reinforcing agent comprises at least one of polytetrafluoroethylene, polyvinylidene fluoride and a copolymer of the polytetrafluoroethylene and the polyvinylidene fluoride. The obtained phase-change sealing capsule is high in plugging speed, easy and convenient to construct, low in cost and high in plugging strength, can be applied to rapid repair and control of underground tubular column micron-scale to millimeter-scale crack leakage, and solves the problems that the plugging and repairing work flow is complex, the period is long, the cost is high, the risk is large, the one-time plugging success rate is low, and hidden dangers are difficult to eradicate.

The invention discloses a conveying mechanism for butyl sealant cutting, and relates to the butyl sealant conveying technology, the conveying mechanism comprises a conveying rack and a cutting carrying table arranged at the right end of the conveying rack, and a discharging conveyor is arranged at the right end of the cutting carrying table; a conveying mechanism is arranged in the conveying rack, and the conveying mechanism comprises a conveying crawler belt; wherein the butyl sealant is placed on the upper surface of the conveying crawler belt and is adsorbed and positioned through the negative pressure positioning holes during rotation; a dust removal mechanism is arranged at the left end of the conveying rack and comprises a dust removal brush roller. According to the conveying mechanism for cutting the butyl sealant, the butyl sealant is calibrated and positioned through the conveying mechanism, dust collection is assisted, the situation that subsequent use is affected by adhesion of the butyl sealant is avoided, meanwhile, after cutting is conducted through the cutting mechanism, the butyl sealant is separated from a cutting tool through an anti-adhesion spraying device, and the cutting tool is used for cutting the butyl sealant. And subsequent cutting is prevented from being affected by adhesion.

The invention relates to the technical field of photovoltaic power generation, and provides a photovoltaic module frame rapid assembly process method comprising the following steps: bonding a photovoltaic cell module and a stainless steel corrugated backboard through a structural adhesive to form a preliminary module structure; molding silica gel strips are embedded into the edges of the two long sides of the preliminary assembly structure so as to prevent the structural adhesive from overflowing to pollute the surface of the assembly; sleeving the stainless steel frame into the edges of the two long sides of the preliminary assembly structure from the upper part, and realizing accurate positioning through the clamping grooves of the stainless steel frame and the edges of the preliminary assembly structure; the splicing position of the stainless steel frame and the stainless steel corrugated back plate is welded and fixed in a laser welding mode; and sealant is injected into a gap between the short edge of the primary assembly structure and the folded edge of the stainless steel corrugated back plate. Through material innovation, structure optimization and process improvement, multiple bottlenecks in strength, efficiency and environmental adaptability in the prior art are broken through, and a brand new solution is provided for photovoltaic module production in a high-requirement scene.

The invention relates to the technical field of photovoltaic power generation systems, discloses a photovoltaic frame system and a stable installation method, and aims to solve the technical problems that in the prior art, a systematic stable installation scheme for a metal roof photovoltaic frame system is lacked, and connection stability, installation efficiency, water resistance and pressure resistance cannot be achieved at the same time. The method comprises the following steps: mounting the left and right frames, and connecting the left and right frames with the bracket through outer hexagon bolts; mounting upper and lower safe edges, and fixing the upper and lower safe edges on the frame foundation by using structural adhesive and bolts; connecting codes are installed, and the connecting codes are arranged between the left and right frames and the upper and lower safe edges; a cushion block is arranged between the bracket and the roof; structural adhesive is smeared at the joint of the support and the roof so as to enhance the bonding force between the support and the roof; sealants are applied to all joints, and the sealants are used in cooperation with the cushion blocks, so that the sealing performance between the roof and the support is ensured. According to the technical scheme, efficient and stable installation of the photovoltaic module is achieved through structural connection optimization, sealing waterproof and pressure dispersion design.

The invention relates to the technical field of aviation sealant construction, in particular to an aviation fastener row positioning frame and an operation method thereof.The row positioning frame comprises a row positioning frame body, and a double faced adhesive tape with release paper is arranged on the back face of the row positioning frame body; a plurality of mounting grooves which are in one-to-one correspondence with fasteners to be packaged are formed in the row positioning frame main body in a penetrating manner, the peripheral wall of each mounting groove extends from the front surface to the back surface of the row positioning frame main body to form an obliquely arranged corner cut type inclined surface, and a plurality of guide columns respectively surround the surface of each corner cut type inclined surface. According to the invention, the main body of the row positioning frame adopts an integral design, so that all fasteners in the whole area of the aircraft wing can be positioned at one time, and the occupied space around the row positioning frame is extremely small and can be reduced to a limit position without interference with other parts; the defect that a traditional independent positioning frame is prone to operation interference in a dense fastener arrangement scene is thoroughly overcome.

The invention relates to the field of electric appliance potting materials, in particular to a low-carbon two-component polyurethane potting adhesive for a circuit board and a preparation method of the low-carbon two-component polyurethane potting adhesive. The preparation raw materials of the low-carbon double-component polyurethane pouring sealant for the circuit board comprise a component A and a component B, wherein the component A is prepared from the following raw materials: isocyanate, a flame retardant and a plasticizer; and the component B is prepared from the following raw materials: PCE, castor oil, a hydrophobic acrylate oligomer, a catalyst and a defoaming agent. The PCE and the castor oil are used as core raw materials, and the low-carbon and environment-friendly characteristics are achieved; by introducing the hydrophobic acrylate oligomer and combining the structural advantages of PCE, the water absorption rate of the product is remarkably reduced, meanwhile, the product has balanced mechanical properties and excellent aging resistance, the pouring sealant can effectively protect a circuit board from being affected by environments such as moisture and high temperature, and the actual use effect is excellent.

To provide a laminate excellent in tearing property while reducing environmental load.SOLUTION: A laminate comprises a substrate film, a primer layer, an adhesive layer, and a sealant film in this order, and includes a printed surface of an electrostatic ink composition adhered to the adhesive layer. The adhesive layer contains a solvent-free adhesive composition including a polyol component and a polyisocyanate component, its cured product, or a mixture thereof, and the adhesive strength of the adhesive layer is 1.0 N / 15 mm width or more. The laminate has a group of scratches, each consisting of multiple scratches that include through-holes.SELECTED DRAWING: Figure 1

The invention provides an organic silicon pouring sealant as well as a preparation method and application thereof, the organic silicon pouring sealant comprises a component A and a component B. The component A comprises the following components: 1-5 parts of vinyl silicone oil; 1-5 parts of terminal hydrogen-containing silicone oil; 0.1 to 1 part of cross-linked hydrogen silicone oil; 92-95 parts of spherical aluminum oxide treated by a surface treating agent; 0.5 to 1 part of hollow glass beads; the component B comprises the following component: 4-8 parts of vinyl silicone oil; 92-95 parts of spherical aluminum oxide treated by a surface treating agent; 0.5 to 1 part of hollow glass beads; and the surface treatment agent comprises hexamethyl disilazane and tridecafluorooctyltrimethoxysilane. The heat conductivity coefficient of the organic silicon pouring sealant can reach 4W. M <-1 >. K <-1 > or above, meanwhile, the breakdown voltage of the organic silicon pouring sealant can reach 15kV / mm or above, and the organic silicon pouring sealant can meet the use requirements of part of high-power electronic modules on the heat dissipation and insulation performance of the pouring sealant.

The invention discloses a self-adaptive vacuum filling and sealing device and method, and mainly solves the problems that the existing vacuum filling and sealing technology is difficult to realize accurate adaptation and optimal adjustment of multiple types of filling and sealing adhesives, and the filling and sealing consistency and the product reliability under complex working conditions are influenced. Comprising a vacuum box, a vacuum pump, a vacuum pressure digital display meter, a control panel and an air inlet valve, wherein a liquid flow meter is arranged at a glue injection and pouring outlet in the vacuum box, and instantaneous flow data of pouring sealant is detected and fed back in real time; a refrigerating device is arranged on the side wall to inhibit local temperature rise of the two-component pouring sealant caused by heat release of a chemical reaction; a heating device is arranged at the upper part to compensate the adverse effect of environment temperature reduction on the fluidity of the pouring sealant; and meanwhile, a fusion algorithm for self-adaptive adjustment of multiple types of pouring sealants is deployed in the microprocessor, so that self-adaptive temperature balance and regulation in the pouring process are realized. According to the invention, the automation degree and the response sensitivity of the potting process can be obviously improved, and the stability and the reliability of the potting process are improved.

A hybrid integrated heat spreader suitable for an integrated circuit (IC) die package. The hybrid integrated heat spreader includes a top sheet material and a sealant interface material located where the heat spreader is to contact an assembly substrate. The sealant interface material may offer greater adhesion to a sealant employed between the interface material and the package substrate. In some examples, the sealant interface material has a greater surface roughness and / or a different composition than a surface of the integrated heat spreader that is in close thermal contact with an IC die through a thermal interface material. With the sealant interface material improving adhesion, the sealant may have a higher bulk modulus, enabling the integrated heat spreader to impart greater stiffness to the IC die package assembly.

The invention discloses a combined cadmium telluride photoelectric curtain wall structure and a construction method thereof, relates to the technical field of wastewater treatment, and aims to solve the technical problem that a current combined cadmium telluride photoelectric curtain wall is easily influenced by the natural environment. Comprising a plurality of mounting parts, a mounting frame mechanism fixed on the mounting parts and a same-color frame arranged on the front surface of the mounting frame mechanism; the mounting frame mechanism comprises a side vertical beam, a middle vertical beam, a first cross beam and a second cross beam, the first cross beam and the second cross beam are mounted between the side vertical beam and the middle vertical beam, and the same-color frame comprises a side barrier strip, an upper barrier strip, a lower barrier strip and a middle barrier strip which are used for shielding the mounting frame mechanism. The photovoltaic module has the advantages that dust adhesion is reduced through the design of the air cavity and the air port, the arc-shaped barrier strip and the water tank rapidly drain water, the rectangular-ambulatory-plane sealing groove is matched with the sealant for multiple protection, the Sudoku structure is stably installed, the same-color frame gives consideration to decoration and circuit protection, the influence of the natural environment is effectively resisted, the photoelectric conversion efficiency is maintained, the waterproofness is improved, and the service life is prolonged.

The utility model provides a sealant shoveling device which comprises a scraper knife assembly and a collecting box, the scraper knife assembly comprises a knife holder, a main scraper knife and auxiliary scraper knives, the tail portion of the knife holder is connected with the collecting box, the auxiliary scraper knives are located on the two sides of the knife holder, and the collecting box is connected with the main scraper knife and the auxiliary scraper knives. The main scraper knife is located between the two auxiliary scraper knives, the main scraper knife is perpendicular to the auxiliary scraper knives, and a sealant collecting bag is arranged in the collecting box. The main shovel blade and the auxiliary shovel blade are used for shoveling aged and dry and hard sealant, and the problem that the sealant falls into the gear box is effectively avoided. Due to the interval between the two auxiliary scraper knives, the auxiliary scraper knives can be well attached to the side wall of the gearbox observation window, the main scraper knife can also be attached to the upper surface of the side wall of the gearbox observation window, and the sealant collecting efficiency is guaranteed.

The invention relates to the technical field of sealant packaging equipment, in particular to an automatic sealant production line which comprises a bag sealing mechanism. The bag sealing mechanism comprises a frame body, an unwinding assembly is arranged at the top of the frame body and comprises a shear fork arm assembly and a driving motor, carrier rollers are symmetrically installed at the two ends of the top of the shear fork arm assembly, and an auxiliary synchronous belt wheel is fixed to one end of one carrier roller; a third rotating shaft is arranged at the intersection point position of the shear fork arm assembly, one end of the third rotating shaft is fixedly connected with the output end of the driving motor through a coupler, and a main synchronous belt wheel in driving connection with the auxiliary synchronous belt wheel is fixed to the other end of the third rotating shaft; a first rotating shaft in sliding fit with the upper side plates on the two sides is arranged at one end of the bottom of the shear-fork arm assembly, and a second rotating shaft is arranged at the other end of the bottom of the shear-fork arm assembly and rotationally connected with the upper side plates on the two sides. The distance between the carrier rollers changes synchronously in real time along with the dead weight of the film roll and is matched with the dead weight of the film roll all the time, and dynamic and accurate adaptation in the full-unwinding process is achieved.

The invention discloses a shielding device for directly carrying out an ultrahigh frequency partial discharge test and GIS equipment, and relates to the technical field of ultrahigh frequency partial discharge tests.The shielding device comprises a cover plate, and the cover plate is provided with a detection window; the insulating unit is arranged on one side of the cover plate; the sealing unit is arranged on the insulating unit; through combination of the cover plate, the insulation unit and the sealing unit, the insulation unit is exposed to the outside through the detection window, ultrahigh frequency partial discharge detection can be directly carried out without dismounting the shielding device, tedious operations such as repeated dismounting, sealant cleaning and re-gluing in traditional detection are thoroughly avoided, and the detection efficiency is improved. The detection time is shortened, and the detection efficiency is improved; the sealing surface is prevented from being physically damaged due to repeated disassembly, the sealing integrity of the GIS equipment in the whole life cycle is ensured, the SFgas leakage risk is reduced, the sealing reliability of the GIS equipment is greatly improved, and the SFgas leakage risk is effectively inhibited.

A laminate including at least a first resin layer and a second resin layer, wherein the first resin layer is provided so as to be separable from the second resin layer, and the separation strength between the first resin layer and the second resin layer is 1.0 N / 15 mm width or less and satisfies the following requirements (1) and / or (2): (1) the second resin layer is a sealant layer including at least a polyethylene layer with a density of 0.909 g / cm3 or less, and the polyethylene layer in the second resin layer is in contact with the first resin layer, and / or (2) the second resin layer is a sealant layer containing a polyolefin as a main component and has a polyolefin content of 82% by mass or more based on a mass of the second resin layer.

A mold allowing for rapid positioning, and a mold-based creep-age forming method. A blank sheet is placed on a concave mold surface, and a positioning boss of the blank sheet is fitted to a positioning structure for rapid positioning; a high-temperature sealant is pasted on at least two spaced locations around a flange, a breathable felt is laid on the surface of the blank sheet, and a vacuum bag and the breathable felt are respectively pasted on the high-temperature sealant at different locations of the mold flange; and after the breathable felt and the vacuum bag are pasted, a vacuum nozzle is placed to implement direct vacuumization. The risk of breakage of the vacuum bag is effectively reduced. By means of the method, parts can be rapidly positioned, personnel operations can be reduced, high-precision forming can be achieved, batch forming with high consistency can be achieved, and high heat transfer efficiency can be achieved.

In an embodiment, a bevel sealing system includes a dispensing chamber that includes a first chuck configured to support a workpiece, the workpiece including a first wafer bonded to a second wafer, where the first wafer and the second wafer include beveled edges, a sealant dispenser configured to apply sealant along a perimeter of a bonding interface between the first wafer and the second wafer, a first Charge-Coupled Device (CCD) camera configured to capture 2-dimensional (2D) images of edges of the workpiece, and a first laser edge profiler configured to measure and collect profile data of the edges of the workpiece.

A sealant application apparatus includes a seal gun, a distance meter, a moving mechanism and a controller. The seal gun has a nozzle for discharging sealant toward a fastener. The distance meter is fixed to the nozzle. The distance meter measures a distance from a measurement position to a surface of the sealant. The moving mechanism moves the seal gun relatively to the fastener. The controller controls the moving mechanism and the seal gun. The sealant is started to be discharged out from the seal gun in a state where the nozzle has been positioned to cover the fastener at a position away from a surface of the object by a predetermined distance. Subsequently, the sealant is applied to the fastener under a sealant application condition according to the distance measured by the distance meter while moving the nozzle away from the surface of the object.

In an embodiment, a package includes an encapsulant laterally surrounding a first integrated circuit device and a second integrated circuit device, wherein the first integrated circuit device includes a die and a heat dissipation structure over the die; a sealant disposed over the heat dissipation structure; an adhesive disposed over the second integrated circuit device; and a lid disposed over the sealant and the adhesive, wherein the lid includes a first cooling passage and a second cooling passage, the first cooling passage including an opening at a bottom of the lid and aligned to the heat dissipation structure, the second cooling passage including channels aligned to the second integrated circuit device and being distant from the bottom of the lid.

The invention discloses a surface-mounted tubular fuse structure and a preparation method thereof, and belongs to the technical field of overcurrent protection electronic components. The fuse structure comprises an insulating tube, a fuse body, an arc extinguishing body, an inner copper cap, an outer copper cap and a sealing colloid. The fuse body is arranged in the insulating tube body, the arc extinguishing body is filled in the insulating tube body and wraps the fuse body, the inner copper cap and the outer copper cap form a combined electrode cap, the sealing colloid is filled between the end part of the insulating tube body and a circular inner cap of the combined electrode cap, and the circular inner copper cap and the end part of the insulating tube body realize preliminary airtight packaging through welding or interference fit. And the sealing colloid is combined for secondary reinforced sealing, and the square outer copper cap provides a flat surface-mounted welding surface. The preparation method comprises the process steps of inner copper cap pressing, threading and spot welding, arc extinguishing material potting, outer copper cap assembling, sealant potting and the like. The problems that a traditional tubular fuse is large in installation space, has reliability hidden danger and is limited in high breaking capacity are solved. The fuse is widely applied to the technical field of tubular fuses.

The invention discloses a deformation joint structure based on active guide drainage and long-acting sealing and a construction method thereof, and belongs to the technical field of building construction. The structure comprises a bottom active guiding and discharging assembly and a top sealing assembly. The bottom active guide and drainage assembly comprises flexible waterproof adhesive tapes which are fixedly adhered to the side walls of the building structures on the two sides of the deformation joint through adhesive layers, and the flexible waterproof adhesive tapes are bent downwards to form drainage channels; the top sealing assembly comprises waterproof reverse ridges arranged on the top faces of the building structures on the two sides and a top cover plate stretching across the deformation joint. According to the invention, a first defense line is formed through the top cover plate and the side waterproof reverse ridges by taking'changing blockage into dredging 'as a core, so that an external water source is effectively blocked; and a second defense line is formed through the flexible waterproof adhesive tape at the bottom, permeated water flow is actively collected and discharged, the water leakage problem caused by aging of traditional sealant is avoided, and long-acting sealing and water prevention of the deformation joint are achieved.

Generally speaking, this invention relates to hierarchical composites or delivery systems that are used to improve the performance of sealants, coatings, composites, adhesives, and other polymeric products. Hierarchical composites are materials that combine multiple types of structures at different scales to achieve enhanced properties and performance in such compositions. Expressly, but not limited to, the hierarchal composites carrying layers filled with, or otherwise, of nanomaterials, dyes, explosives, catalysts, metals, viscosity modifiers, thickeners, rheology modifiers, toughening agents, and like structures for the benefit of improved physical, chemical, electrical, conductive, color, rheological or other like properties minimizing or reducing for example, the need for more significant amounts of said materials.

A hanging device comprises a suction cup body, a connecting cover and a rubber cover, the connecting cover covers the suction cup body, so that a space defined by the suction cup body, the connecting cover and a wall surface forms a glue filling space, and after the rubber cover is connected to the suction cup body, sealant flows into the glue filling space to seal the edge of the suction cup body. Therefore, the object hanging device has the characteristics of a sucker type object hanging device and a nail-free object hanging device, the periphery of the sucker body is sealed by matching with the sealant on the basis that the sucker body is installed and used instantly, air leakage of the sucker body is avoided, the bonding firmness degree of the sucker body and a wall surface is increased, the situation that the sucker body falls off in a humid environment is reduced, and the service life of the sucker body is prolonged. And user experience is improved.

The invention relates to the technical field of pipe gallery crack repairing, in particular to an underground pipe gallery deformation joint leakage repairing method. An underground pipe gallery deformation joint leakage repairing method comprises the following steps that original filler in a deformation joint is removed, and the deformation joint is filled with a backing slurry blocking material; mixing the high-ductility self-repairing waterproof mortar with water to prepare high-ductility self-repairing waterproof slurry, and filling the deformation joint with the high-ductility self-repairing waterproof slurry; the high-ductility polymer joint sealing mortar and water are mixed to prepare high-ductility polymer joint sealing slurry, the high-ductility polymer joint sealing slurry is smeared to the inner surface of the deformation joint, and a cavity is formed; a silane modified polyether material is poured into the cavity; and a W-shaped stainless steel plate is installed, polymer waterproof paint is brushed on the periphery of the deformation joint, and a waterproof sealing layer is formed. The three-in-one composite waterproof structure is adopted, the high-ductility self-repairing waterproof mortar, the W-shaped stainless steel plate and the silane modified polyether rubber are combined to construct an inner-blocking, middle-preventing and outer-sealing composite waterproof system, and the waterproof performance of the deformation joint in the dynamic deformation environment is remarkably improved.

The utility model relates to the technical field of pipeline connection, and provides a sealing structure for pipeline connection, which comprises a first water pipe, a first connecting piece rotationally and movably arranged at one end of the first water pipe, a first clamping platform and a second clamping inclined plane are arranged in the first connecting piece, and one end of a first sealing piece is arranged on the first clamping platform. After the sealing part of the first sealing piece abuts against the second clamping inclined face, liquid in the first water pipe stops flowing, the second connecting piece and the first connecting piece are of the same structure, the second sealing piece and the first sealing piece are of the same structure, one end of the second sealing piece is arranged on the first clamping platform, and the other end of the second sealing piece is arranged on the second clamping platform. According to the technical scheme, the problem that in the prior art, a mode that a traditional nut is connected with a sealant in a matched mode is solved, the sealing performance of the nut is improved, and the sealing performance of the nut is improved. The sealant is aged after a long time, and the disassembly of the connection part is troublesome.

The invention discloses a preparation method of a thin film type photovoltaic hollow assembly, and belongs to the technical field of photovoltaic power generation glass production. The preparation method comprises the steps that tempered glass and an aluminum frame are pretreated; fixing the photovoltaic cell layer between the two pieces of toughened glass to form a hollow cavity; sleeving the peripheries of the two pieces of toughened glass with an aluminum frame, and fixing to obtain a first assembly; and treating the joint of the toughened glass and the aluminum frame through laser welding, and cooling to obtain the thin film photovoltaic hollow assembly. Through the preparation method provided by the invention, the problem of aging caused by traditional sealant packaging can be solved, so that the weather resistance and the service life of the thin-film photovoltaic hollow assembly are improved and the service life of the thin-film photovoltaic hollow assembly is prolonged.