545results about How to "Prevent infiltration" patented technology

The invention discloses an automobile charging equipment slot and a use method, the automobile charging equipment slot comprises a charging pile, the side surface of the charging pile is provided with a slot body, and a charging gun is inserted into the slot body; the anti-falling rack is rotationally connected to the front side of the slot body at an equal angle, and the end part of the anti-falling rack is clamped with the concave edge of the outer side of the charging gun; and the sealing plate is slidably connected into the storage groove, and the storage groove is formed in the inner wall of the slot body. According to the automobile charging equipment slot and the use method, during use, the charging gun and the slot body can be subjected to reinforcing and anti-loosening treatment, and the problems that when the charging gun is put back into the slot, the charging gun is not firmly fixed by the slot, the charging gun is likely to slide out of a charging port, and an electric shock accident is likely to be caused are avoided; the slot body can be automatically closed, and dust and rainwater are prevented from entering the slot.

The utility model relates to the technical field of water heaters, and discloses a pipeline anti-freezing device for an outdoor water heater, which comprises a water heater pipeline, the surface of the water heater pipeline is sleeved with a foam sleeve, the surface of the foam sleeve is sleeved with a heat preservation component, the surface of the heat preservation component is sleeved with a heating pipe, and the surface of the heating pipe is sleeved with a water inlet pipe. A cavity is formed in the inner wall of the heating pipe, an electric heating wire is fixedly arranged in the cavity, the surface of the heating pipe is sleeved with an aluminum foil layer, the surface of the aluminum foil layer is sleeved with a corrugated extension pipe, the surface of the corrugated extension pipe is sleeved with a waterproof film, and the surface of the waterproof film is sleeved with an A fixing ring. According to the pipeline anti-freezing device for the outdoor water heater, through the arrangement of the electric heating wire, the fixing ring A and the fixing ring B are installed on the outer surface of the waterproof film and communicated with an external power source, the temperature sensor senses the external temperature, and when the temperature is low, the temperature controller controls the electric heating wire to heat, heat the pipeline and melt ice, so that the pipeline of the water heater is prevented from being frozen to crack.

The invention belongs to the technical field of coating production, and discloses an automatic mixing and proportioning device for coating production and a proportioning method thereof.The automatic mixing and proportioning device comprises a mixing frame, a mixing barrel is fixedly connected to the lower portion of the mixing frame, two controllers are fixedly connected to the front face of the mixing frame, and conveying barrels are arranged on the two sides of the mixing frame; and one end of the conveying cylinder is fixedly connected with a connecting pipe, the two sides of the mixing frame are fixedly connected with connecting plates, and the connecting plates are in lap joint with auxiliary plates. Through the arrangement of the transmission structure, the opening and closing structure, the controller and the weighing device, raw materials in discharging can be weighed through the weighing device, excessive personal errors are avoided, and through cooperation of the transmission structure, the opening and closing structure and a sealing ring, the sealing effect is improved. And when the sealing ring is turned over, the four sealing plates can seal the discharging opening of the auxiliary plate after rotating, so that the subsequent raw materials are prevented from permeating into the weighed raw materials, and the flexibility of the mixing and proportioning device is guaranteed.

The utility model discloses a graphite mould convenient to disassemble and assemble, which belongs to the technical field of graphite moulds and comprises a first mould, a plurality of middle moulds and a second mould which are sequentially connected. Forming holes are formed in the ends, close to each other, of the first mold, the multiple middle molds and the second mold, a fixed base plate is arranged at the end, away from the middle molds, of the first mold, and a pair of threaded sleeve rods is fixedly connected to the end, close to the first mold, of the fixed base plate; a pair of through holes corresponding to the threaded sleeve rods are formed in the middle of each of the first mold, the multiple middle molds and the second mold, the purpose that the first mold, the middle molds and the second mold are assembled and fixed in a unified mode through the fixing base plate and the threaded sleeve rods can be achieved, and meanwhile gas supply equipment is used for conveying gas into the exhaust holes; and cold air enters the cooling hole to quickly cool the formed workpiece in the forming hole, so that the demolding efficiency is improved.

The invention relates to the technical field of metal materials, in particular to a high-strength steel material for mine roadway support and a preparation method thereof, and the high-strength steel material comprises the following components in percentage by weight: 0.04 to 0.10 percent of C, 0.15 to 0.45 percent of Si, 1.20 to 1.80 percent of Mn, 0.20 to 0.50 percent of Cu, 0.15 to 0.40 percent of Cr, 0.10 to 0.35 percent of Ni, 0.08 to 0.25 percent of Mo, 0.015 to 0.045 percent of Nb, 0.03 to 0.08 percent of V, 0.008 to 0.025 percent of Ti, 0.005 to 0.020 percent of RE and the balance of Fe. The preparation method comprises the steps of smelting and refining, continuous casting, heating, rough rolling, finish rolling, segmented controlled cooling and medium-temperature tempering (450-550 DEG C), R is larger than or equal to 620 MPa, A is larger than or equal to 18%, the yield ratio is smaller than or equal to 0.90, KV at 0 DEG C is larger than or equal to 100 J, and the deep-well high-stress roadway support is suitable for deep-well high-stress roadway support.

The utility model relates to a liquid flow metering device, subassembly and system.The liquid flow metering device comprises a measuring chamber, a floater subassembly, a sleeve and an electrical subassembly, a measuring chamber body is hermetically connected with a liquid inlet pipeline and a liquid outlet pipeline, the liquid inlet pipeline extends into the measuring chamber body, and the liquid outlet pipeline extends into the measuring chamber body; a liquid outlet at the tail end faces upwards; the floater assembly comprises a floater and a floater connecting rod integrally connected with the floater, the floater is arranged at a liquid outlet in the tail end of the liquid inlet pipeline, and the tail end of the floater connecting rod is connected with the detection part; the lower end of the sleeve is communicated with the measuring cavity body, the tail end of the floater connecting rod extends into a guide channel in the sleeve from the lower end of the sleeve, and a position detection device is arranged in the upper end of the sleeve; the electrical assembly comprises a shell and an electrical module, and the electrical module receives a floater height detection signal sensed by the position detection device. The metering device provided by the embodiment of the utility model is low in cost and accurate in metering.

The application relates to a swing granulator seven-star roller and a mounting structure thereof. The swing granulator seven-star roller and the mounting structure thereof comprise a seven-star roller body, the seven-star roller body is in a cylindrical working surface structure, seven convex granulation corners are uniformly arranged on the outer peripheral wall of the seven-star roller body, the working surfaces of the granulation corners are all arranged in arc structures, and the arc structures are matched with a screen of the swing granulator; a roller mounting mechanism, which comprises a rack, a bearing seat, a bearing arranged in the bearing seat and a rotating shaft penetrating through the bearing, the rotating shaft is connected with an end shaft of the seven-star roller body, the bearing seat is mounted on the rack, a material seepage discharge port is formed in the rack at the bottom of the bearing seat; and a sealing assembly, which is sleeved on the rotating shaft and located at the opening end of the bearing seat. The material can be more fully and uniformly extruded, the hardness of wet particles is effectively improved, the generation of fine powder after drying is reduced, the quality of granular products is improved, the dead angle residual of the material in the equipment is reduced, and the material waste is reduced.

The utility model relates to battery pack heat preservation technical field, concretely is a kind of structure of improving the heat preservation performance of battery pack upper cover, including upper cover body, the inner surface of upper cover body is equipped with the honeycomb cavity of uniform distribution, the honeycomb cavity is filled with aerogel particles, the outside of honeycomb cavity is equipped with the heat insulation layer of integration with upper cover body, the heat insulation layer is inlaid with multiple heat-conducting fibre bundles;The outer surface of upper cover body is equipped with several micropore array, and the micropore array is filled with graphene coating.The utility model can significantly improve the heat preservation effect of battery pack under low temperature environment, simultaneously under high temperature condition, the excess heat generated by battery module is quickly exported, and heat accumulation is avoided.

The utility model discloses a building toilet seepage water integral isolation drainage drainage waterproof device which comprises a drainage pipe arranged at the upper end of a sewage drainage pipe, a PVC (polyvinyl chloride) floor sealing plate is arranged on the inclined surface of a floor, a stainless steel filter plate is arranged on the PVC floor sealing plate, an accumulated water overflow cover is fixedly arranged in the middle of the PVC floor sealing plate, and the drainage pipe is arranged on the drainage pipe. Grid holes are formed in the upper end of the accumulated water overflow cover, a geotechnical cloth layer is arranged in a cavity between the accumulated water overflow cover and the stainless steel filter plate, a PVC side face sealing plate is arranged on the inner side face of the wall body, the lower end and the side face of the PVC side face sealing plate are integrally provided with bent connecting edges, and the connecting edges enable the PVC side face sealing plate and the PVC floor sealing plate to achieve electric melting sealing connection at the wall corner. The utility model not only has a simple structure and is convenient to manufacture and construct, but also can effectively prevent seepage water from seeping into the floor of the toilet, and effectively solves the hidden danger of water leakage and the difficult problem of water prevention at the place where the toilet of the building is contacted with the pipe and at the corner.

The invention relates to the technical field of settlement post-cast strips, in particular to a pre-closed advanced water stop grouting device and method.The pre-closed advanced water stop grouting device comprises a basement top plate, a bottom plate, a cover plate and a grouting sleeve and further comprises a self-adaptive adjusting assembly; the self-adaptive adjusting assembly comprises an inner cylinder, an outer cylinder, a spring, a sealing ring and a pre-tightening force adjusting component, and when the building body settles, the cover plate descends to drive the outer cylinder to descend, and then the spring is extruded; the springs on the two sides generate reverse buffering force after being compressed, the force is transmitted to the cover plate through the outer cylinder, the internal stress of the cover plate caused by differential settlement is effectively counteracted, and it is avoided that a sealing structure at the joint of the cover plate and a basement top plate cracks due to rigid pulling; and after the settlement is stable, pressure grouting is performed through the grouting sleeve, so that the problems of cracking of the cover plate and failure of sealing structures such as a sealant and a waterproof coiled material due to rigid pulling are solved.

The utility model relates to the technical field of building wall waterproof structure, specifically is a kind of wall flashing element connecting structure, including wall, the horizontal purlin of being located in wall upper and the sandwich panel being connected with horizontal purlin, the outside of wall is provided with outer decorative layer, the bottom end of sandwich panel is connected with the "Z" shape flashing support, the end of flashing support away from sandwich panel is connected with flashing plate, and the upper end of flashing plate is connected with flashing support by fastener, and the bottom end of flashing plate extends to the outside of outer decorative layer. By first flashing support installation in the bottom end of sandwich plate, and flashing plate can be in the size measurement when wall starts to build, after measuring, it is processed again by factory, to reduce error, and after wall is completely built, it is installed again, since the installation position of flashing support and flashing plate is in the outside of wall, the problem that installation is inconvenient due to insufficient operation space is avoided.

The invention provides a crushing barrel for a kitchen waste machine wear function, which comprises a barrel body, the barrel body is movably provided with a crushing cutter, the barrel body is provided with a boss, the boss is provided with an assembly hole, the assembly hole is movably provided with a loose joint assembly, the crushing cutter comprises a rotating shaft, a cutting edge and a scraping plate, the rotating shaft is fixedly connected with the cutting edge and the scraping plate, and the rotating shaft is provided with a connecting column. The connecting column is fixedly connected with the loose joint assembly through a bolt, the rotating shaft is provided with a blocking ring, and the blocking ring is movably connected to the outer side of the boss in a sleeving mode. The boss prevents liquid from entering the assembly hole, the rotating shaft of the crushing cutter is provided with a connecting column and a blocking ring, the connecting column is fixedly connected with the loose joint assembly through a bolt, the blocking ring is movably connected to the outer side of the boss in a sleeving mode, and the blocking ring prevents kitchen waste residues and liquid from entering the assembly hole in the crushing process of the crushing cutter; liquid is prevented from entering the assembly hole and permeating into the kitchen waste machine, and the service life of the kitchen waste machine is prolonged.

The invention relates to the technical field of slope supporting construction of constructional engineering, and particularly discloses a redundant and safe reinforced soil structure and a construction method. Reinforced soil is of a multi-step structure and is constructed on a weathered rock foundation; the reinforced soil sequentially comprises a plain concrete foundation, multiple layers of integral steel-plastic geogrids, a graded broken stone drainage layer, a clay water-resisting layer, a waterproof geomembrane, a concrete sealing bottom and plain filling soil from bottom to top, and reinforced concrete panels are poured on the outer sides of the integral steel-plastic geogrids. A reinforced concrete foundation is arranged at the bottom of the reinforced concrete face plate, a cement soil cushion layer is laid at the bottom of the reinforced concrete face plate, drainage holes and pre-embedded steel tie bars are arranged in the reinforced concrete face plate, the pre-embedded steel tie bars and the whole steel-plastic geogrids are bundled up, and a gravel inverted filter bag is arranged in each layer of steel-plastic geogrids. The clay water-resisting layer and the gravel drainage layer are laid to achieve redundant safe water prevention and drainage, the construction period is controllable, and the manufacturing cost is relatively low.

This application relates to the field of electronic atomization equipment technology, specifically an atomizer comprising a liquid cup, an atomizing core assembly, a base assembly, a bracket, and a first sealing element. The bracket rests against and is linked to the base assembly, and has a liquid inlet hole. Under external force, the base assembly moves the bracket so that the liquid inlet hole is located inside the liquid cup, which communicates with the atomizing core assembly through the liquid inlet hole. This application also relates to an aerosol generating device. The technical solution provided by this application enables the base assembly and the atomizing core assembly to be connected, with the atomizer in a pre-assembled state, i.e., a liquid-core separated state, preventing the aerosol matrix from seeping into the atomizing core assembly and then leaking out from the air passage. This structure maintains the freshness of the aerosol matrix, facilitating replacement, maintenance, and cleaning, thus improving the user experience. It eliminates the need for users to assemble the atomizer themselves, and the atomizer has a simple structure and high stability, meeting user needs.

The utility model provides a kind of laying plate for temporary construction road, belong to building construction technical field, to solve the problem of laying plate upper surface water and easily lead to safety hazard.This device includes multiple groups of road board main part, and the two sides of road board main part adjacent are respectively fixedly connected with the upper connecting plate and lower connecting plate connected by cooperation clamping;Connecting block, fixedly connected in the length direction both ends of lower connecting plate or upper connecting plate and provided with threaded hole;Upper slope plate and lower slope plate are set in the outermost side of multiple groups of connected road board main part and respectively connected with lower connecting plate and upper connecting plate clamping;Waterproof pad, set in road board main part and slope board lower surface;The combination surface between lower connecting plate and upper connecting plate, lower connecting plate and upper slope plate, upper connecting plate and lower slope plate is all maze structure.This device is through the form of cooperation clamping of maze and the setting of waterproof pad, reduce the safety hazard caused by laying plate surface water penetration to temporary construction road.

The invention discloses application of a palmitoylation inhibitor in prevention and treatment of gastric cancer. The chromatin remodeling protein SNF2 derived from S.anginosus EVs can be combined with a transcription factor TEAD1, so that the transcription of the palmitoyl transferase ZDHHC11 is promoted together. Then, the stability of the ZDHHC11 is enhanced by catalyzing palmitoylation of PD-L1, and finally immune escape is induced. In addition, SNF2 also can activate AXL, CTGF, CYR61 and other carcinogenic targets at the downstream of TEAD1, thereby further accelerating the malignant progression of gastric cancer. In an in-vivo experiment, the intragastric administration of the S.anginosus EVs not only promotes the tumor growth of mice, but also significantly inhibits the infiltration of CD8 + T cells. Blocking of ZDHHC11 can effectively reverse immune escape, and has a synergistic effect with an anti-PD-1 therapy, so that the treatment effect is remarkably improved.

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

The utility model belongs to the technical field of automobile air conditioner condensers, and particularly relates to an automobile air conditioner condenser with an auxiliary butt joint structure, which comprises a connecting pipe and radiating fins, the surface of the connecting pipe is connected with a fixing lug, the surface of the connecting pipe is provided with a through mounting hole, the top end of the fixing lug is connected with a fixing block, and the top end of the fixing block is connected with the radiating fins. A clamping block is arranged at the bottom end of the fixing block, a U-shaped groove is formed in the surface of the clamping block in a penetrating mode, and a groove is formed in the fixing block. According to the utility model, the fixing block is matched with the clamping block, so that the fixing lug at the top end of the automobile air conditioner condenser can be lapped on the butt joint piece of the water tank. Afterwards, by means of matching of the I-shaped bolts and the butt-joint blocks, the water tank butt-joint piece fixing device can be matched with butt-joint pieces of water tanks with different thicknesses, the positions of the fixing lugs and the water tank butt-joint pieces can be fixed, and the mounting holes correspond to assembly holes in the water tank butt-joint pieces in position. In this way, the automobile air conditioner condenser is convenient to install, and the situation of manual hand lifting assembly is avoided.

The application discloses an automatic mobile phone cleaning device with atomization cleaning and rapid drying functions, which comprises a rack main body, a clamping positioning mechanism arranged in the middle of the rack main body, an atomization mechanism comprising a cleaning liquid storage device and an atomization nozzle, a cleaning mechanism comprising a cleaning bottom plate, a brush and a fiber cloth piece, and a drying mechanism comprising a centrifugal fan. The cleaning mechanism realizes up-down reciprocating movement through a gear and rack transmission device. Two groups of ball screw transmission modules are connected with the clamping positioning mechanism and the cleaning mechanism respectively to drive the clamping positioning mechanism and the cleaning mechanism to move linearly. A control module is integrated with a single-chip microcomputer, a stroke sensor, a driving motor and a power supply control. The application improves the cleaning efficiency and use safety, simplifies the structure, reduces the cost and is suitable for household and commercial scenes.

This utility model provides a waterproof structure for a photoelectric sensor, including a protective housing and a photoelectric sensor body. The protective housing has an installation cavity, within which the photoelectric sensor body is housed. A cover plate is also provided on one side of the protective housing, and the cover plate is integrally connected to the protective housing by screws. Assembly grooves are provided on both opposite inner surfaces of the installation cavity, and clamping blocks are inserted into each groove, with the side of the clamping blocks furthest from the assembly groove contacting the photoelectric sensor body. The photoelectric sensor body has terminals, and corresponding to the terminals, wiring sections are provided on two adjacent sides of the protective housing and cover plate, with the terminals inserted within these wiring sections. A sealing strip is embedded in the mounting groove on the edge of the cover plate, and when compressed, it adheres to the housing to prevent water seepage. The wiring section assembly section has a sealing isolation ring that wraps around the terminals of the photoelectric sensor body to form a seal, providing double protection against moisture intrusion and ensuring the sensor's usability.

The utility model relates to the technical field of grouting pipe, concretely to a foundation pit plugging grouting pipe, including the pipe body, the surface fixed mounting of pipe body has the connecting pipe and the pipe sharp head, the surface of pipe body is established grouting hole, through setting up the sliding cover screw rod, the sliding cover, the pressing plate screw rod, the filter plate, the pressing plate, the pressure -bearing plate, utilize the synergies of these structures, the sliding cover screw rod drives the sliding cover to slide, the sliding cover is closely combined with the pipe body when closing, prevents the slurry overflow to block the external impurity infiltration, when opening, it is convenient for the filter plate to take out quickly and clean or replace, the filter plate is closely combined with the pressure -bearing plate by the pressing plate screw rod, the filter plate provides stable support with the help of pressure -bearing plate, avoids the filter plate to shift under the slurry impact, also can let the filter plate accurate filtration particle impurity in the slurry, prevents the pipeline blockage, guarantees the grouting pressure stability and grouting passage smooth, has simplified the equipment maintenance process, has promoted the efficiency and reliability of foundation pit plugging grouting construction.

A vehicle side door is known, comprising a door body-in-white body component with a window opening, a window sheet for closing and opening the window opening, and at least one shielding structure associated with the window sheet on its inner side facing the vehicle interior space and movably supported relative to the door body-in-white body component between a standby position located below the window opening and at least one shielding position at least partially covering the window opening, and a window sheet guiding system for displacing the window sheet between a closed position and an open position, and a shielding structure guiding system for displacing the at least one shielding structure between the standby position and the shielding position. According to the invention, a double-shell modular housing is provided for accommodating the at least one shielding structure and the shielding structure guiding system, having an outer housing shell that is watertightly closed to the inner side of the door body-in-white body component when a wet space is formed on the side of the door body-in-white body component pointing outward from the inner side of the door body-in-white body component, in which the window sheet is arranged in its open position within the wet space. Use in passenger vehicles.

The invention belongs to the technical field of radio station waterproofing, and discloses a watertight radio station carrying tool which comprises a carrying tool bag body, a watertight zipper and watertight gloves, the carrying tool bag body is provided with a sealed bag cavity used for containing a radio station and a visible window right opposite to an operation part of the radio station, and a visible waterproof layer is arranged at the visible window. The carrying tool bag body is made of a waterproof material; the watertight zipper is arranged on the carrying tool bag body and can open and close the carrying tool bag body; the watertight gloves are connected to the carrying tool bag body, the watertight gloves are configured to enable an operator to operate an operation part of the radio station after the operator wears the watertight gloves, and the watertight gloves are made of a waterproof material. By arranging the visual window and the watertight gloves, an operator can stretch hands into the watertight gloves and observe through the visual waterproof layer at the visual window so as to operate the radio station without opening the bag body of the carrying tool through a watertight zipper, so that the possibility that water enters the radio station is eliminated, and the service life of the radio station is prolonged. And the convenience degree of actual combat communication is improved.

The utility model discloses an automatic cable take-up and pay-off device for building construction, which comprises a bottom plate, moving wheels are mounted at four corners of the bottom of the bottom plate, a take-up and pay-off assembly is fixedly mounted at one end of the top of the bottom plate, and an adjusting assembly for adjusting the diameter of a take-up roller is fixedly mounted on the inner side of the take-up and pay-off assembly. According to the automatic cable winding and unwinding device for building construction, by means of the adjusting assembly and the pushing assembly, the diameter of the winding roller can be changed through pushing and pulling of the electric push lever, the winding roller is driven to rotate, the winding roller is driven to rotate, and the winding roller is driven to rotate. The cable winding device can adapt to winding work of different cables, the winding roller does not need to be manually replaced, the working efficiency is improved, through the clamping assembly, when winding and unwinding are conducted, the surface of the cable is synchronously cleaned through cooperation of a belt wheel and a transmission belt, pollutants are prevented from permeating into cable skin gaps, and an insulating layer is prevented from being corroded or abraded.

The invention provides a construction method of a prefabricated assembled roadbed structure of a new and old expressway, which comprises the following steps: S1, carrying out stepped excavation on an old roadbed splicing area, and connecting a plurality of first splicing units with an old roadbed through a longitudinal insertion structure; s2, the first splicing units and the second splicing units are connected through first bolt connecting sets, and the second splicing units are connected through transverse inserting structures; s3, the adjacent first splicing units and the connected second splicing units are connected through second bolt connecting sets; s4, the first splicing unit and the second splicing unit are each connected with a leveling assembly used for adjusting the elevation and levelness of the first splicing unit and the second splicing unit; s5, sealing pieces are arranged between the first splicing units, between the first splicing units and the second splicing units and between the second splicing units; and S6, cast-in-place structures are arranged at the joints of all the splicing structures, the site cast-in-place workload is reduced, and rapid splicing of the new roadbed and the old roadbed is achieved.

The utility model discloses a kind of sign panel mounting structures of fire emergency lamps, including fire emergency lamps shell and the installation slot for installing sign panel being opened in fire emergency lamps shell, further include, suction groove, at least one and opened in the inside of installation slot;Suction strip, same as suction groove, for fixing sign panel, and with suction is combined and set in the inside of suction groove;The inside of suction groove is provided with magnet, the inside of suction strip is provided with iron sheet, the surface of suction strip is smeared with the glue that sign panel is bonded, installation slot and sign panel are all provided with the bevel for preventing the installation position error of sign panel;By the suction mechanism of suction groove and suction strip, the preliminary fixation of sign panel is realized, without artificial continuous pressing when installing, simplify operation process.Through the bevel positioning mechanism on installation slot and sign panel, avoid panel installation misplacement, improve installation accuracy.

A surface acoustic wave (SAW) device includes: a piezoelectric layer; an interdigitated electrode structure located on the piezoelectric layer; a wiring layer located on the piezoelectric layer and electrically connected to the interdigitated electrode structure; an interconnect layer located on the wiring layer; bumps located on the interconnect layer; and a metallization structure located between the interconnect layer and the bumps, electrically connecting the interconnect layer and the bumps and preventing material from the bumps from penetrating into the interconnect layer. The metallization structure on the interconnect layer prevents the bumps from directly contacting the interconnect layer, instead connecting them electrically through the metallization structure. This prevents the material of the bumps from fusing with the material of the interconnect layer and intruding into the device, thus preventing semiconductor device failure and improving the performance of the semiconductor device. Furthermore, the metallization structure's location between the bumps and the interconnect layer enhances the adhesion between the bumps and the interconnect layer.

This invention discloses a multi-process synergistic method for strengthening and toughening titanium alloys. The method includes: firstly, pre-treating the titanium alloy surface with sandblasting; then, subjecting the pre-treated titanium alloy to solid embedding carburizing treatment; subsequently, under inert atmosphere protection, sequentially subjecting the carburized titanium alloy to solution treatment, rapid cryogenic treatment, and aging treatment; and finally, shot peening the surface of the heat-treated titanium alloy. This invention solves the problem in existing technologies where a single process is insufficient to synergistically improve the strength and toughness of titanium alloys, achieving a synergistic match between high strength and high hardness on the surface of the titanium alloy material and high toughness in the matrix.