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A plate or wall plate is a horizontal, structural, load-bearing member in wooden building framing.
Display mounting support
The present disclosure provides a display mounting support, including a wall plate, two hanging assemblies, and two levelness adjusting members. The wall plate includes a mounting portion. Each of the two hanging assemblies defines a hooking portion for suspending on the mounting portion. The two levelness adjusting members respectively corresponds to two the hanging assemblies. Each levelness adjusting member includes an adjusting plate and an adjusting screw. The adjusting plate defines a threaded hole in a height direction. A threaded rod of the adjusting screw is threaded to the threaded hole of the adjusting plate, and an end of the threaded rod rests against the mounting portion of the wall plate. The adjusting plate is connected to the corresponding the hanging assembly. The threaded rod of the adjusting screw screwed into the threaded hole on the corresponding adjusting plate is capable of being changed by rotating the corresponding adjusting screw, so as to adjust a levelness of the display screen connected between the two hanging assemblies.
Owner:XINADDA HONG KONG LTD
Floor and wallboard connecting structure for shed
Owner:JINGNING MEIGE TECH SERVICE CO LTD
Decorative Panel and Method of Producing Such a Panel
ActiveUS20250122730A1Covering/liningsSynthetic resin layered productsMechanical engineeringFloor covering
The invention relates to a decorative panel, in particular a floor panel, ceiling panel or wall panel. The invention also relates to a decorative covering, in particular a decorative floor covering, decorative ceiling covering, or decorative wall covering, comprising a plurality of mutually coupled decorative panels according to the invention. The invention further relates to a core for use in a panel according to the invention. The invention additionally relates to a method of producing a decorative panel, in particular a decorative panel according to the invention.
Owner:I4F LICENSING NV
Ore crushing system and method based on controllable shock wave presplitting and intelligent sorting
ActiveCN119281473Aincrease reflectionRealize crushing workGrain treatmentsSortingClassical mechanicsCrushed stone
The invention discloses an ore crushing system and method based on controllable shock wave presplitting and intelligent sorting, the system comprises a shock wave ore crushing device and an intelligent ore sorting device, and the lower end of an upper stone crushing frame of the shock wave ore crushing device is slidably arranged in the upper end of a lower stone crushing frame; a plurality of stone passing holes are formed in wall plates of the upper stone crushing frame and the lower stone crushing frame; rotating shafts are arranged on the left side and the right side of the lower stone crushing frame, the rotating shafts are rotationally connected to the inner wall of the ore crushing bin, and an output shaft of the overturning mechanism is connected to the end of one rotating shaft; a reflecting cavity is formed in the lower end of the shock wave reflecting cover, a mounting hole is formed in the upper end of the shock wave reflecting cover, two electrode holders are arranged on the lower end face of the telescopic arm, the two ends of the metal wire are connected to the two electrode holders respectively, a force application ring is arranged on the lower portion of the telescopic arm in the circumferential direction, and the lower end face of the force application ring is used for abutting against the upper end face of the shock wave reflecting cover. The problems that in a traditional crushing process in the prior art, a fine crushing cavity is prone to being blocked, and crushing and grinding energy consumption is high are solved.
Owner:中国有色金属工业西安勘察设计研究院有限公司
Fabricated building outer wall based on thermoelectric power generation technology in severe cold area
PendingCN119352677AMeet construction needslow costSolar heating energyWallsGlass coverInsulation layer
The invention relates to the related technical field of fabricated building outer walls, and discloses a severe cold area fabricated building outer wall based on a thermoelectric power generation technology, which comprises a fabricated wall body module, a thermoelectric power generation module, a heat collection structure module, a circuit connection module, an energy management module and a data monitoring module, the fabricated wall body module is a solid prefabricated concrete shear wall composed of an inner leaf wall plate, a heat preservation layer and an outer leaf wall plate, the heat collection structure module is fixedly installed on the outer wall of the fabricated wall body module, and the heat collection structure module comprises a heat absorption plate, a glass cover plate and a shell; according to the core component, the nickel-chromium alloy and the constantan alloy which are high in stability are directly welded for power generation, other technologies do not need to be combined, the core component can be directly applied to the building field, and under the condition that the power generation efficiency is guaranteed, the construction requirement of the building field is met as much as possible; and a brand new thought is developed for the energy-saving design of the fabricated building wall.
Owner:INNER MONGOLIA UNIV OF TECH
Aircraft engine nacelle
The utility model discloses an engine nacelle, which is applied to the field of aircraft manufacturing, is used for improving the structural strength of an aircraft engine nacelle, and comprises a front firewall, a rear firewall, an upper firewall, a front section skin, a middle section skin, a rear section skin and a mounting frame, a second through hole is formed in the rear firewall; the upper firewall is arranged between the front firewall and the rear firewall, the front end of the upper firewall is connected with the front firewall, the rear end of the upper firewall is connected with the rear firewall, the mounting frame and the U-shaped reinforcing beam are both of a U-shaped structure and are both located on the front side of the front firewall, and the mounting frame is arranged above the U-shaped reinforcing beam; the rear end of a front-section lower wall plate of the front-section skin is connected with the U-shaped reinforcing beam; the front ends of a middle-section left wall plate, a middle-section right wall plate and a middle-section upper wall plate of the middle-section skin are connected with the mounting frame; and the outer sides of the upper firewall, the front firewall and the rear firewall are coated with the middle-section skin.
Owner:JIUCHENG GENERAL AVIATION DESIGN & MFG(DALIAN) LTD
Optimized wall strcture of a prefab modular shed
The present subject matter discloses an improved wall structure for a modular plastic shed, designed for easy on-site assembly using pre-constructed modular panels. The enhanced wall structure features T-shaped connection accessories that securely install the wall to the floor panels. Additionally, support columns with integrated reinforcement ribs are incorporated to further strengthen the overall structure. These support columns also feature pre-formed sockets, allowing for quick and straightforward attachment of the wall panels, simplifying the assembly process and improving structural integrity.
Owner:YIXIANG BLOW MOLDING FURNITURE (NINGBO) CO LTD
Prefabricated wallboard assembly structure and assembly method thereof
The invention discloses a prefabricated wallboard assembly structure and an assembly method thereof, and relates to the technical field of building prefabricated wallboards, the prefabricated wallboard assembly structure comprises a first wallboard and a second wallboard, a plurality of inserting grooves are formed in one side of the first wallboard, and hydraulic expansion splicing mechanisms are symmetrically mounted in the inserting grooves up and down; the hydraulic expansion splicing mechanism is composed of a metal sleeve, meshing teeth, a sealing rubber ring, a piston and an oil injection mechanism, the metal sleeve and the inserting groove are welded and fixed, an oil cavity is formed in the metal sleeve, multiple sets of mounting grooves are formed in one end of the metal sleeve, four annularly-distributed sliding grooves are formed in the outer sides of the mounting grooves, and the sliding grooves are communicated with the oil cavity. A plurality of inserting blocks are arranged on one side of the second wallboard, connecting holes are formed in the inserting blocks in an up-down symmetrical mode, a plurality of meshing grooves are formed in the inner ends of the connecting holes, and the problem that most existing prefabricated wallboards are connected through bolts, stress concentration is prone to occurring, and consequently the structural stability is reduced is solved.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD
Floor and wallboard connecting structure for shed
Owner:JINGNING MEIGE TECH SERVICE CO LTD
Human-assisted positioning equipment for mounting prefabricated wall panel
The invention discloses manual auxiliary positioning equipment for prefabricated wallboard installation, and relates to the technical field of prefabricated wallboard installation, the manual auxiliary positioning equipment comprises two fixing plates used for being installed at the two ends of a formwork, supporting frames are fixedly connected to the tops of the two fixing plates, and supporting frames used for supporting wallboards are arranged on one sides of the two supporting frames; a supporting piece used for positioning is arranged between the supporting frame and the supporting frame. The semi-ring positioning frame drives the hoisted prefabricated wall panel to move by clamping the mounting piece on the positioning plate, the prefabricated wall panel is in a hoisting state and is supported by the supporting frame, so that the prefabricated wall panel can be driven to move without relatively large thrust, and a reinforcing steel bar smoothly penetrates through the semi-ring positioning frame to be inserted into a reinforcing steel bar hole by descending the prefabricated wall panel; the positioning of the prefabricated plate is completed, the steel bar holes and the steel bars can be quickly inserted in a hole alignment mode, repeated observation by personnel is not needed, and the installation efficiency of the prefabricated wall plate is improved.
Owner:NO 1 CONSTR ENG CO FUJIAN PROV
Prefabricated reinforced concrete shear wall
The invention discloses a prefabricated reinforced concrete shear wall, and relates to the technical field of constructional engineering, the prefabricated reinforced concrete shear wall comprises a shear wall body, a sleeve main body, a wallboard, a steel bar main body and a pouring hole, the bottom of the sleeve main body is provided with a grouting cavity, and the center of the interior of the grouting cavity is provided with a moving disc. According to the prefabricated reinforced concrete shear wall, in the assembly process of the shear wall body, air in the vent groove is extruded through ascending of the movable disc, so that the positioning clamping rings move synchronously and are attached to the steel bars, the assembly precision and stability are improved, and the installation accuracy is ensured. During grouting and pouring, slurry fills and extrudes the supporting blocks, connection between the movable disc and the movable plate is relieved, the second through holes are formed, clamping of the steel bars by the positioning clamping rings is automatically relieved, stress concentration is avoided, and the structural safety is improved. And meanwhile, the movable plate moves downwards to touch the trigger block, and under the cooperation of the connecting plate and the spring, the connecting plate continuously vibrates to remove bubbles after pouring is completed, so that the bubble amount of slurry is reduced, and the structural compactness and durability of the shear wall are enhanced.
Owner:ZHEJIANG CONSTR ENG GRP CO LTD
Fabricated ALC light wallboard and mounting method thereof
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.
Owner:XIANYANG JINGWEI INVESTMENT CO LTD +1
Automatic welding method for double-layer dense grid stiffening wallboard cable bent tower steel shell block
ActiveCN119077089AImprove welding construction efficiencyAccelerate green and low-carbon transformationArc welding apparatusWelding/cutting media/materialsFillet weldWeld seam
The invention belongs to the technical field of bridge construction, and particularly relates to an automatic welding method for double-layer dense grid stiffening wall plate cable bent tower steel shell blocks. The method includes cutting and preparing materials; vertical ribs, transverse ribs and anchoring steel plates are sequentially assembled on the steel wall plates to form wall plate units, and the wall plate units are fixed to the welding platform; programming input is conducted on welding operation; a double-arm robot welding system is combined with consumable electrode gas shielded welding equipment to weld the wallboard units with the same size; shear nails are welded at the stiffening centers of the grids formed by the transverse ribs and the vertical ribs; and a dragging robot is combined with shielded welding equipment to be matched with a constraint tool to weld vertical penetration corner angle welding seams among the wall plate units in sequence. According to the method, the problems of high labor intensity and low construction efficiency of manual welding of the double-layer dense grid stiffening wall plate cable bent tower steel shell block are solved, the welding construction efficiency is remarkably improved, the manufacturing period is greatly shortened, the welding quality stability and the overall post-welding precision are guaranteed, and green and low-carbon transformation of the bridge construction technology is accelerated.
Owner:CHINA RAILWAY BAOJI BRIDGE YANGZHOU CO LTD +1
Wall panel system
A wall system comprising a frame and one or more panels removably attached to the frame, wherein the one or more panels are positioned over one or more cutouts of the frame to form a substantially coplanar surface.
Owner:VERSA CORE CONSTR SERVICES LLC
Reinforcement calculation method for non-rod system reinforced concrete structure
ActiveCN119416294Asimple wayOptimize quantityGeometric CADSustainable transportationReinforced concreteArchitectural engineering
The invention relates to the technical field of water conservancy and municipal administration, in particular to a reinforcement calculation method for a non-rod system reinforced concrete structure, which comprises the following steps: replacing long and thin pile and rod structures with one-dimensional units, replacing pier, wall, plate and beam structures with two-dimensional units, and carrying out coupling connection on a whole hydraulic structure model; original three-dimensional entity unit finite element calculation is equivalently converted into one-dimensional line unit, two-dimensional plate unit and three-dimensional entity unit coupling structure finite element calculation; displacement, internal force and stress of all parts of the hydraulic structure are obtained, and structural reinforcement is conducted through the internal force according to a structural mechanics method adopted by the rod system reinforced concrete structure. Compared with the prior art, the method has the advantages that the internal force of each part of the building can be directly obtained, the structure stress can be truly reflected, the structure reinforcement mode and number can be optimized, and the original complicated non-rod-system reinforced concrete structure can be subjected to structure reinforcement according to a structural mechanics method adopted by the rod-system reinforced concrete structure.
Owner:HUAIAN WATER CONSERVANCY SURVEY & DESIGN INST CO LTD
Giant tank plane milling machine
The invention relates to the technical field of plane milling machines, and discloses a giant tank plane milling machine which comprises a working platform, a horizontal rotating disc is arranged on the working platform and used for placing a to-be-milled tank, and a vertical lifting frame is arranged on the side edge of the tank. A lifting assembly is installed on the lifting frame and controls the fixing assembly to move vertically, and the fixing assembly carries the milling module. The fixing assembly comprises an arc-shaped placing plate corresponding to the upper edge of the tank body, an outer wall plate and an inner wall plate are arranged on the inner side and the outer side of the arc-shaped placing plate respectively, arc-shaped clamping plates are arranged on the inner side of the outer wall plate and can horizontally move to the outer wall of the tank body, and rollers are arranged on the arc-shaped surfaces, facing the tank body, of the arc-shaped clamping plates and the inner wall plate The fixing assembly and the lifting assembly are assembled in a horizontal sliding mode and controlled by a horizontal control block. The milling module comprises a vertical rotating milling cutter, a cutting face faces the upper edge of the tank body, and the milling cutter vertically ascends and descends relative to the containing plate. According to the equipment, through elastic clamping and roller contact on the wall surface of the tank body, the tank body can be conveyed relative to the fixing assembly through the rotating disc, and continuous plane milling of the milling cutter on the upper edge of the tank body is achieved.
Owner:ZHEJIANG JIACHENG ENERGY TECHNOLOGY CO LTD
Modularized assembly type wall fast-assembly structure
The utility model relates to the technical field of assembly type walls, in particular to a modular assembly type wall quick-assembly structure. The utility model provides a modularized assembly type wall body fast-assembly structure which enables two wall board bodies to be connected and comprises the wall board bodies and at least two clamping grooves which are formed in one side of each wall board body. In the installation process, the second wallboard body is pushed manually, so that the clamping block of the second wallboard body faces the clamping groove of the first wallboard body, and the second wallboard body descends while the second wallboard body descends; a clamping block of the second wallboard body slides into a clamping groove of the first wallboard body to be in contact with an embedding block to drive a sliding plate and a sliding rod, so that the sliding rod slides downwards on the outer side of a guide rod and extrudes a spring to be compressed, and the embedding block on the first wallboard body is clamped and embedded with the clamping blocks of the two wallboard bodies; and the springs can stretch to abut against the clamping blocks of the wallboard bodies, and then the effect of connecting and fixing the two wallboard bodies is achieved.
Owner:TIANJIN TIANZHU HAOPENG IND CONSTR CO LTD
Fabricated concrete wallboard steel structure connecting device
The invention relates to the technical field of building construction, in particular to a fabricated concrete wallboard steel structure connecting device which comprises a prefabricated wall and a bottom plate, a plurality of rows of positioning holes are formed in the prefabricated wall in the height direction, a plurality of pin holes distributed in a matrix mode are formed in one face of the prefabricated wall, and the pin holes penetrate into the multiple positioning holes in the same row; a positioning plate is hinged to one side of the bottom plate, a lifting plate is slidably arranged on the side, away from the bottom plate, of the positioning plate, pin pipes in one-to-one correspondence with the pin holes are arranged on one side of the lifting plate, and an angle adjuster is arranged between the bottom plate and the positioning plate. And the angle adjustor can calibrate the prefabricated wall to enable the prefabricated wall to be perpendicular to the ground, the steel bar sections are inserted into the positioning holes, the angle adjustor calibrates the prefabricated wall again, accordingly, movable installation of the prefabricated wall is completed, the prefabricated wall is sequentially installed in place through movement of the bottom plate, and splicing of the whole wall is completed.
Owner:JINGJIA LIANCHUANG HUBEI NEW MATERIALS TECH CO LTD
Longitudinal and transverse stiffened wall plate forming device and method based on automatic fiber placement skin
The invention discloses a device and method for forming a longitudinal and transverse stiffened wallboard based on an automatic fiber placement skin, and the method comprises the steps: firstly, preparing the automatic fiber placement skin, transferring a composite T-shaped stringer which is laid on a metal core mold in a net size and is subjected to hot pressing to a wallboard skin formed based on an automatic fiber placement process, a layer of high-temperature adhesive film is laid between the composite T-shaped stringer and the automatic fiber placement skin, the composite T-shaped stringer and the automatic fiber placement skin are fixedly held through positioning holes in a core mold, and high-temperature co-adhesive curing is carried out in an autoclave; and in addition, after a secondary part T-shaped stringer which is paved and cured out of the tank is subjected to trimming of redundant materials such as silt glue and burrs, the cured secondary dry-state ribs are positioned through a positioning clamping plate, a layer of high-temperature glue film is paved between the dry-state ribs and the automatic fiber placement skin, and then the T-shaped stringer enters the tank to be subjected to high-temperature secondary glue joint curing. By means of the metal core mold and the metal positioning clamping plate, the requirement for axis degree deviation of longitudinal and transverse ribs is effectively controlled, and high-quality forming is achieved.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD
Clean workshop enclosure structure digital typesetting design system and method based on BIM (Building Information Modeling) technology
The invention discloses a digital typesetting design system and method for a clean workshop enclosure structure based on a BIM technology. The digital typesetting design system comprises a room processing unit which comprises a room generating unit, a room merging unit and a room separating unit; the typesetting area division unit is used for distinguishing room practice, cutting ceilings, combining the ceilings, typesetting partitions and cancelling the partitions; the typesetting unit comprises typesetting configuration and one-key typesetting; the top plate typesetting and adjusting unit comprises ceiling typesetting, top plate adjusting, top plate dividing and top plate combining; the wallboard typesetting and adjusting unit comprises wallboard typesetting, wallboard adjustment, wallboard segmentation and wallboard combination; the optimization typesetting unit is used for optimizing non-standard boards of the wallboards; the plate coding unit comprises coding rule definition, automatic coding and non-standard combination; and the typesetting result output unit is used for generating a plate purchase list, a profile purchase list and a typesetting drawing. According to the method, rapid and refined generation, three-dimensional intelligent typesetting, non-standard plate optimization and numbering drawing of the building envelope model can be realized, the building envelope typesetting efficiency and quality are improved, and the problems of low typesetting efficiency and insufficient optimization in an existing method are solved.
Owner:CHINA ELECTRONICS SYST ENG NO 2 CONSTR
Curtain rod suspension system and assembly
A suspension system for curtain rods a wall plate for securing to a wall and a car slidably received therein for adjusting the position thereof with respect to the wall plate. A curtain rod comprises a first and second channels, one channel including a hook portion for engaging a cooperating hook portion of a clip mounted directly or indirectly to a wall or ceiling.
Owner:UNIQUE FINE FABRICS IMPORT
ALC wallboard mounting frame
The invention belongs to the technical field of building installation tools, and particularly relates to an ALC wallboard installation frame which comprises a limiting bottom plate of a U-shaped structure and further comprises a moving deflection mechanism, a linear propelling mechanism, a position adjusting mechanism, a wallboard clamping mechanism, a clamping force compensation mechanism, an installation position confirming mechanism and a wallboard gap adjusting timing mechanism. The mounting position of the ALC wallboard can be quickly moved, labor force is saved, mounting efficiency is improved, the thickness of the wallboard can be synchronously detected during clamping and fixing, clamping force can be automatically adjusted, and dynamic adaptation is achieved to improve safety; after the position is manually adjusted for the first time, the follow-up wallboard installation position can be automatically determined, linear continuous installation is suitable, and efficiency is improved; and the mounting gap between the adjacent wallboards can be automatically adjusted based on the thickness of the wallboards, the thermal expansion and cold contraction deformation and the load requirement are considered, and the mounting stability and the bonding area are enhanced.
Owner:THE THIRD ENG CO LTD OF CHINA RAILWAY FIRST BUREAU GRP +1
Waterproof connection node structure of assembled prefabricated wall panel
ActiveCN222500675Uquick assembly workImprove stabilityWallsBuilding insulationsMechanical engineeringWall plate
Owner:NINGBO MINGSEN ARCHITECTURAL DESIGN INST CO LTD
Wallboard paving device
The invention discloses a wallboard paving device, which belongs to the technical field of constructional engineering decoration, and comprises a movable lifting platform with a touch screen, and the platform is fixedly connected with a bottom plate; clamping units are arranged on the two sides of the bottom plate and composed of a first clamping plate, a second clamping plate and corresponding driving devices. The bottom end of the support is fixedly connected with the bottom plate, a pushing and pressing unit is installed on the support and comprises a pressing mechanism and a plurality of pushing and pressing mechanisms, a pressing frame body and a pulley yoke are driven by a third driving device and a fourth driving device to move horizontally, and wallboard position adjustment and paving are achieved; the driving devices and the touch screen are in signal connection with the controller, and the power supply supplies power to the controller; in addition, a pressure sensor is further arranged to monitor the pushing and pressing force, a laser distance measuring sensor is arranged to detect the flatness and perpendicularity, and a heating device and a thermal infrared imager are arranged to assist bonding and detect internal hollowing. All the components are accurately controlled to act through the controller, automatic operation of wall plate paving and pasting is achieved, labor intensity can be reduced, construction efficiency and quality can be improved, and the flatness, perpendicularity and internal hollowing conditions of wall plates can be detected.
Owner:GUANGZHOU MUNICIPAL ENG REPAIRING COMPREHENSIVE DEV
Splicing type prefabricated cabin
The utility model belongs to the technical field of prefabricated cabin devices, and particularly relates to a splicing type prefabricated cabin which comprises a bottom plate, an annular groove is formed in the bottom plate, a positioning groove is formed in the annular groove, a supporting column is arranged in the positioning groove, locking assemblies are arranged on the supporting column and the bottom plate, a groove is formed in the supporting column, a reinforcing rod is arranged in the groove in a sliding mode, and the supporting column is provided with an arc-shaped threaded block. The supporting column is provided with a mounting groove, a cross-shaped mounting block is arranged in the mounting groove, the cross-shaped mounting block is connected with a sealing plate, the supporting column is provided with a clamping groove, a combination plate is arranged in the clamping groove in a sliding mode, the reinforcing rod is provided with a top plate, and the reinforcing rod is in external threaded connection with a nut. Through mutual splicing of the bottom plate, the top plate, the two wall plates, the supporting columns and the composition plates, after locking of the locking assemblies and the nuts, the prefabricated cabin can be rapidly assembled, welding operation is not needed, safety, firmness and stability of the prefabricated cabin are guaranteed, and meanwhile disassembly and transportation by workers are facilitated.
Owner:SICHUAN ELECTRIC APPLIANCE GRP MIDDLE & LOW VOLTAGE INTELLIGENT DISTRIBUTION CO LTD
Sealing cup and valve
The sealing cup is of a cup-shaped structure which is made of a thin-wall plate body and comprises an annular side plate portion and a bottom plate portion, the top of the side plate portion is turned outwards to form an annular groove capable of being assembled to an opening of a certain container, and a first installation hole is formed in the center of the bottom plate portion. A first type of annular pressing groove surrounding the first mounting hole is formed on the first inner surface of the bottom plate part, and a first type of annular bulge is formed at the corresponding position on the first outer surface of the first wrinkle; one or more second-type annular pressing grooves surrounding the first-type annular pressing grooves are formed in the first inner surface of the bottom plate part, and one or more second-type annular protrusions are formed in the corresponding positions of the first outer surface of the bottom plate part. Compared with the most similar prior art, the valve provided by the utility model has the advantages that materials and cost can be saved on the premise of ensuring the sealing performance; leakage caused by long-time storage can be reduced; and blockage caused by repeated use can be reduced.
Owner:ANHUI GOODWILL PRECISION COMPONENTS
Ventilation-sound insulation integrated ultrathin metasurface grating and use method
PendingCN119479595Adeep subwavelengthEffective sound absorptionLighting and heating apparatusNoise suppressionBroadband noiseGrating
The invention discloses a ventilation-sound insulation integrated ultrathin metasurface grating and a using method thereof. The grating is composed of a perforated cover plate, a bottom plate, a plurality of slender cavities with different lengths formed by separating the perforated cover plate and the bottom plate through wall plates, and a peripheral grid-shaped ventilation area. According to the grille, the excellent broadband sound insulation performance can be achieved on the premise that the high ventilation quantity is guaranteed through a thin layer structure with the thickness as low as about 20 mm. The folded labyrinth resonance sound absorption units with gradient lengths are arranged in the non-ventilation area, broadband continuous sound absorption peaks can be generated, and sound absorption replaces sound insulation, so that broadband sound attenuation performance is obtained. Compared with an existing ventilation and sound insulation grille, the grille structure is thinner, larger in ventilation area and wider in working frequency band, the wide engineering application value of the grille structure is shown, a light-weight and low-frequency broadband noise reduction solution is provided for mechanical equipment such as airplanes, warships, high-speed rails and automobiles, and the mechanical equipment can be widely applied to mechanical equipment such as the airplanes, the warships, the high-speed rails and the automobiles. And the method also has wide application prospects in ventilation and sound insulation systems in green buildings.
Owner:XI AN JIAOTONG UNIV
Complete set of production line and production method for elevator wall plates
ActiveCN119526023AIncrease productivityShorten the production cycleLiquid surface applicatorsOther manufacturing equipments/toolsProduction linePunching
The invention relates to the technical field of elevator wallboard production, in particular to an elevator wallboard complete production line and a production method. The production line comprises an MES system, a material management module, a plate positioning and shearing module, a plate temporary storage module, a punching and bending module, a quality detecting and gluing module, a plate assembling and welding module and a finished product outputting and boxing module from front to back according to the production sequence, and the plate buffer library is provided with at least one replaceable buffer library arrangement scheme. The plurality of manipulators are connected among the modules; and the central control system is used for overall scheduling, monitoring the production process and adjusting the working parameters of the modules according to production requirements. The technical problems of low production efficiency, low material utilization rate, improper excess material treatment and the like in the prior art can be solved.
Owner:HOMEFRIEND & FUJI ELEVATOR CO LTD
Full-prefabricated shear wall structure system with edge component steel bars connected in staggered mode and construction method of full-prefabricated shear wall structure system
The invention discloses an edge member reinforcing steel bar staggered connection full-prefabricated shear wall structure system and a construction method thereof, the upper area of an edge member and a middle wallboard form an integrated prefabricated structure to form a prefabricated part of the edge member, and a cast-in-place cavity with a trapezoidal section is reserved in the lower area of the edge member; the compactness of concrete in a cast-in-place cavity can be effectively improved, so that the connecting strength of two adjacent layers of prefabricated shear walls is improved, meanwhile, a connecting beam joint groove is reserved in the top of the edge component, and a connecting beam can be erected in the connecting beam joint groove, so that the in-place precision and the construction efficiency of the connecting beam are improved, and the construction cost is reduced. The butt joint structures of the prefabricated shear walls on the same layer are rapidly connected with the embedded parts at the side ends of the prefabricated wall bodies, effective connection of the wall bodies on the same layer is achieved, all components are prefabricated, on-site wet construction is reduced to the maximum extent, full-prefabricated building of the shear wall structure is formed, and the construction efficiency and quality are improved.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD
Assembly type building detachable wall
The invention relates to the technical field of assembly type wall bodies, and provides an assembly type building detachable wall body which comprises two erecting frames which are arranged in a mirror image mode and serve as a containing area for the assembly type building to place the wall body. The number of the main end bases is two, auxiliary end bases are slidably connected to the front sides and the rear sides of the main end bases correspondingly, a plurality of wallboards are connected to the sides, close to each other, of the auxiliary end base at the top end and the auxiliary end base at the bottom end through traction ropes, and the wallboards are spliced into a wall surface; and side plates are fixedly connected to the left end and the right end of the top side of the main end base at the bottom end. The wall body can be folded and stored in an unassembled state, the size is obviously reduced, the occupied space is greatly reduced, the wall body is more convenient to transport and store through the design, the transport efficiency is improved, meanwhile, the transport and storage cost is reduced, and the wall body is particularly suitable for the modular construction requirement of an assembled building.
Owner:CHENGDU IND VOCATIONAL TECHN COLLEGE