5887 results about "Board structure" patented technology

The present disclosure provides embodiments of a kit for supplying reinforced porcelain panel products for use in shower enclosures. In an embodiment, a kit includes a container and one or more reinforced porcelain panel products positioned to be associated with a container. Each of the reinforced porcelain panel products includes a) a porcelain slab having a top surface with a first surface area, and b) a structural core board including a foam-core material and having a second surface area greater than the first surface area of the porcelain slab. The structural core board is positioned in abutting contact with the porcelain slab with adhesive material therebetween. The structural core board extends beyond outer peripheries of the porcelain slab to be visible and to enhance protection from cracking when the reinforced porcelain panel product is handled and is further to be attached to a mounting surface when installed.

The present disclosure provides embodiments of a reinforced porcelain panel product for renovations or new construction in buildings. In an embodiment, a reinforced porcelain panel product includes a porcelain slab and a structural core board. The structural core board includes a foam-core material having a surface area and a thickness larger than the porcelain slab. An upper surface of the structural core board is positioned in contact with a bottom surface of the porcelain slab with an adhesive material. A buffer region is defined by regions of the structural core board extending beyond outer peripheries of the porcelain slab. The buffer region enhances protection from cracking when the reinforced porcelain panel product is handled. The lower surface of the structural core board has a first surface plane parallel to a top surface of the porcelain slab and a lower surface positioned to attach to a mounting surface.

The present disclosure provides embodiments of a porcelain board tile assembly. In an embodiment, assembly includes two or more porcelain board tiles cut from a reinforced porcelain panel product. A bottom surface of each porcelain board tiles to be adhesively affixed to a mounting wall when installed. Each reinforced porcelain panel product includes a porcelain slab and a structural core board. The structural core board includes a foam-core material having a surface area and a thickness greater than the porcelain slab. A top surface of the structural core board is positioned in contact with a bottom surface of the porcelain slab with an adhesive. A buffer region, defined by regions of the structural core board extending beyond outer peripheries of the porcelain slab, enhances protection from cracking when the reinforced porcelain panel product is handled. The structural core board is configured to attach to the mounting wall.

The present disclosure provides embodiments of a kit for supplying reinforced porcelain panel products for use in shower enclosures. In an embodiment, a kit includes a container and one or more reinforced porcelain panel products positioned to be associated with a container. Each of the reinforced porcelain panel products includes a) a porcelain slab having a top surface with a first surface area, and b) a structural core board including a foam-core material and having a second surface area greater than the first surface area of the porcelain slab. The structural core board is positioned in abutting contact with the porcelain slab with adhesive material therebetween. The structural core board extends beyond outer peripheries of the porcelain slab to be visible and to enhance protection from cracking when the reinforced porcelain panel product is handled and is further to be attached to a mounting surface when installed.

The present disclosure provides embodiments of a reinforced porcelain panel product for renovations or new construction in buildings. In an embodiment, a reinforced porcelain panel product includes a porcelain slab and a structural core board. The structural core board includes a foam-core material having a surface area and a thickness larger than the porcelain slab. An upper surface of the structural core board is positioned in contact with a bottom surface of the porcelain slab with an adhesive material. A buffer region is defined by regions of the structural core board extending beyond outer peripheries of the porcelain slab. The buffer region enhances protection from cracking when the reinforced porcelain panel product is handled. The lower surface of the structural core board has a first surface plane parallel to a top surface of the porcelain slab and a lower surface positioned to attach to a mounting surface.

The invention provides a skateboard body, a skateboard and a manufacturing method of the skateboard. The sliding plate body comprises an inner plate, a structure strengthening embedded pipe, a structure strengthening piece and a gluing part, the inner plate is provided with an embedded area, the structure strengthening embedded pipe is arranged in the embedded area, the structure strengthening piece is attached to the inner plate, the gluing part is filled in the embedded area, and the gluing part is connected with the structure strengthening embedded pipe and the structure strengthening piece. According to the sliding plate body, the structure strengthening embedded pipe is arranged in the embedded area of the inner plate, the bearing strength and the bending resistance of the sliding plate body are improved, the gluing part is connected with the structure strengthening embedded pipe and the structure strengthening piece, and the structural strength of the sliding plate body is improved.

The invention discloses a side-pull folding type photovoltaic panel sliding control structure, and belongs to the technical field of photovoltaic panels. A side-pulling folding type photovoltaic panel sliding control structure comprises a main board frame, a base sleeve box is arranged below the main board frame, extension hinge frames are arranged on the two sides of the main board frame, folding panels are arranged on the inner sides of the extension hinge frames, and each extension hinge frame comprises a swing shaft and a hinge frame body. In order to solve the problems that a folding plate is of a manual unfolding structure and needs to be transversely stretched after being unfolded, the occupied area after being unfolded is large, and meanwhile, the photovoltaic conversion efficiency which can be achieved by a single plate is relatively low, two sets of folding plates can be folded above a main plate frame in a folded state; in this way, the occupied area of the whole photovoltaic panel structure can be reduced to the maximum extent, when the folding plate piece stretches, the four sets of folded edge plates are stretched and turned over, meanwhile, the butterfly plates at the two ends of each set of edge plates are turned over and unfolded outwards, and therefore the area of the whole photovoltaic panel is enlarged.

The present disclosure provides embodiments of a kit for supplying reinforced porcelain panel products for use in shower enclosures. In an embodiment, a kit includes a container and one or more reinforced porcelain panel products positioned to be associated with a container. Each of the reinforced porcelain panel products includes a) a porcelain slab having a top surface with a first surface area, and b) a structural core board including a foam-core material and having a second surface area greater than the first surface area of the porcelain slab. The structural core board is positioned in abutting contact with the porcelain slab with adhesive material therebetween. The structural core board extends beyond outer peripheries of the porcelain slab to be visible and to enhance protection from cracking when the reinforced porcelain panel product is handled and is further to be attached to a mounting surface when installed.

The invention relates to the technical field of printed circuit boards, and discloses a circuit board structure and a preparation method thereof, and the circuit board structure comprises a copper seat, the top of which is provided with a first groove; a chip, wherein the chip is arranged in the first groove; the ceramic substrate layer is arranged at the bottom of the copper seat, and the shape of the cross section of the ceramic substrate layer is the same as that of the bottom surface of the copper seat; the copper plate layer is arranged at the bottom of the ceramic substrate layer, and the shape of the cross section of the copper plate layer is the same as that of the cross section of the ceramic substrate layer. The ceramic substrate layer and the copper plate layer are sequentially arranged at the bottom of the copper base, the thermal resistance of the chip during working can be remarkably reduced, the overall heat dissipation performance can be improved, the cross sections of the ceramic substrate layer and the copper plate layer are consistent with the bottom surfaces of the copper base and the copper plate layer in shape, and the layers are high in structural fitting degree, uniform in stress distribution and good in plate thickness consistency after lamination; and the warping problem of the copper seat caused by thermal expansion is effectively reduced.

The invention relates to the technical field of bridge engineering, in particular to a bridge steel truss girder gusset plate structure and a construction method thereof. The bridge steel truss gusset plate structure comprises a pi-shaped gusset plate formed by a bottom plate and a vertical plate, a plurality of H-shaped steel bases are installed in the pi-shaped gusset plate, each H-shaped steel base is provided with an H-shaped web member through a high-strength bolt, and a monitoring assembly used for early warning of internal stress of the pi-shaped gusset plate is arranged in each H-shaped steel base. The monitoring assembly comprises a tension sensor used for monitoring stress between the H-shaped steel base and the H-shaped web member and a gear used for transmitting the stress, a steel rib is correspondingly arranged at the insertion end of the H-shaped web member, and a steel tooth part used for driving the gear to rotate is arranged on the steel rib. The tension sensor arranged in the gusset plate can obtain stress data of the connecting part in real time, the data can enable workers to take measures before the structure is seriously damaged or fails, and the early warning capacity of bridge potential safety hazards is greatly improved.

The invention discloses a method for manufacturing a flexible circuit board with a high-precision induction circuit, and the method comprises the steps: taking a flexible copper-clad plate to manufacture a first coil circuit pattern and a bonding pad pattern, and carrying out the AOI detection, and forming a first flexible core board; windowing the first cover film corresponding to the bonding pad pattern, and attaching the first cover film to the first flexible core plate to form an attached plate; a single-face copper-clad plate is taken to manufacture a second coil circuit pattern, and a second flexible core plate is formed; the first coil circuit pattern corresponds to the second coil circuit pattern; manufacturing an adhesive layer for a second flexible core plate, and attaching the second flexible core plate to the attaching plate to form a flexible back attaching plate; carrying out induction circuit testing and post-process processing to form a flexible circuit board; aOI detection and a four-wire circuit testing machine are combined to form dual detection, so that the comprehensiveness and the accuracy of detection are improved; the glue layer is arranged to bond the second flexible core plate and the attaching plate, a physical supporting effect is provided for the detection process, and a processing basis is provided for subsequent depth-controlled laser cutting board splitting structure operation.

A composite material combined layer wall plate structure suitable for combined connection of wings comprises a main box section skin and a plurality of reinforcing ribs which are integrally cured and formed, the front edge and the rear edge of the main box section skin are sequentially provided with recesses, and a front sunken edge for lap joint of the front edge skin and a rear sunken edge for lap joint of the rear edge skin are formed; a front beam reinforcing rib used for being connected with a front spar web is fixedly arranged at the bottom of the transition area of the front sunken edge and the main box section skin body, and a rear beam reinforcing rib used for being connected with a rear spar web is fixedly arranged at the bottom of the transition area of the rear sunken edge and the main box section skin body. The connecting mode of the wall plate and a related structure is simplified, the number of parts is reduced, the assembling efficiency can be improved, and dismounting, replacing and maintaining of an airplane in the using and maintaining process are facilitated.

The invention relates to the technical field of vibrating equipment, in particular to a multi-point vibrating system for improving the pouring quality of a large-span concrete plate structure, which comprises a truss and a vibrating mechanism, the vibrating mechanism comprises an offset assembly, a lifting execution assembly, a vibrating rod and a lifting driving assembly, a vibrating rod installed on the lifting execution assembly can be guided to be vertically inserted into concrete through the lifting driving assembly, and when the vibrating rod makes contact with a steel bar, and descending resistance is suddenly increased, the lifting arm set guides the lifting execution assembly to be reset to the safe height, and then the horizontal position is adjusted through the offset frame to avoid the steel bar; and the vibrating rod is inserted downwards again to complete concrete vibrating operation, and the problem that an existing vibrating device cannot continue to descend to be inserted into the concrete after the vibrating rod abuts against the reinforcing steel bar is solved.

The invention provides a novel concrete column fiber geopolymer formwork structure and a fixing method, and relates to the technical field of building structures. Comprising a fiber geopolymer template, a polyimide tenon structure is arranged on one side of the fiber geopolymer template, and a polyimide mortise structure is arranged on the other opposite side of the fiber geopolymer template; the polyimide tenon structure is suitable for being connected with the polyimide mortise structure of another fiber geopolymer template in a matched mode to form a mortise and tenon connection structure. The inner sides, close to the polyimide tenon structure and the polyimide mortise structure, of the fiber geopolymer template are each provided with a protection supporting plate connected to the surface of the fiber geopolymer template, and the two protection supporting plates are suitable for being connected in an abutting mode to form a protection baffle of the mortise and tenon connection structure. By means of the scheme, construction and installation of the building formwork are facilitated.

The utility model discloses a curtain wall unit plate structure which comprises tempered glass, an aluminum alloy top cross beam is arranged on the top of the tempered glass, an aluminum alloy bottom cross beam is arranged at the bottom of the tempered glass, an aluminum alloy male stand column is arranged on the left side of the tempered glass, and an aluminum alloy male stand column is arranged on the right side of the tempered glass. An aluminum alloy female stand column is arranged on the right side of the tempered glass, every two vertically adjacent curtain wall unit plates are connected through an aluminum alloy bottom cross beam and an aluminum alloy top cross beam, and every two horizontally adjacent curtain wall unit plates are connected through an aluminum alloy male stand column and an aluminum alloy female stand column; therefore, the connection difficulty of the adjacent curtain wall unit plates is reduced, the structure is reasonable, installation and construction are easy, the installation and construction efficiency of the curtain wall unit plates is improved, connection between the adjacent curtain wall unit plates is more stable, the sealing performance between the adjacent curtain wall unit plates is guaranteed, and the installation quality of the curtain wall unit plates is improved.

The invention relates to the field of building construction equipment, and discloses an intelligent material distributing machine of a tower building machine and a working method thereof.The intelligent material distributing machine of the tower building machine comprises a base fixed to the top of the tower building machine and further comprises a material distributing mechanism, a supporting arm, a rotary disc, a conveying pipe, a swing arm and a weight box; a pulling plate structure pulls a connecting rod to slide towards a first gear plate in a track plate, then the lower end of a supporting rod slides downwards in a track strip and then supports a guiding pipe, the guiding pipe rotating leftwards is supported, the influence of the gravity of the guiding pipe on a hydraulic press is reduced, and the situation that the hydraulic press is prone to being damaged due to the too large load is avoided. Impact force of concrete in the runner pipe is converted into stable supporting force of the buffer structure to the runner pipe, shaking of the runner pipe under the impact force of the concrete is reduced, the stability of concrete pouring of the runner pipe is improved, the stability of the discharging structure is enhanced, shaking caused by instability of the guide pipe can be avoided, and the load on a hydraulic press is reduced.

The invention discloses an adjustable tank field concrete ground pouring formwork structure and an adjusting method.The adjustable tank field concrete ground pouring formwork structure comprises a tank body, and a first pouring formwork and a second pouring formwork which are arranged at intervals are arranged on the edge of the bottom of the tank body in the circumferential direction; a plurality of adjusting pieces are connected between the first pouring template and the second pouring template at equal intervals; the adjusting part comprises an adjusting frame, the two ends of the adjusting frame are connected with a first screw rod and a second screw rod respectively, and the thread rotating directions of the first screw rod and the second screw rod are opposite; one end of the first screw rod is fixed to the edge of the first pouring formwork, and one end of the second screw rod is fixed to the edge of the second pouring formwork. The first pouring formwork and the second pouring formwork are arranged at the bottom of the tank body in the circumferential direction, the radian and curvature of the first pouring formwork and the second pouring formwork can be adjusted by rotating the adjusting frame, the radian and curvature of the first concrete plate can be effectively adjusted, and the problem that the radian and curvature of the arc-shaped concrete ground are uncontrollable is solved.

The invention provides a wave finite element and boundary element mixed composite board structure sound insulation performance prediction method, and the method belongs to the acoustics field, and comprises the steps: carrying out the post-processing of a wave finite element model based on the wave finite element model of a composite board structure and a corresponding equivalent nodal force, and obtaining the wave finite element equation of the whole composite board structure; based on a sound-structure coupling equation, through a boundary element method, a discrete boundary element equation related to the surface vibration speed of the composite board and the radiation sound wave pressure is constructed; coupling the wave finite element equation and the discrete boundary element equation of the whole composite board structure, and determining the sound pressure of radiation sound waves of the composite board structure and the surface vibration speed of the composite board; and based on the sound pressure of the radiation sound wave of the composite board structure and the surface vibration speed of the composite board, obtaining a sound insulation performance prediction result by calculating the sound power of the incident sound wave and the radiation sound wave, and completing prediction of the sound insulation performance of the composite board structure. The problems that the sound transmission loss of large plates and medium-high frequency plates is difficult to predict and the calculation cost is high are solved.

The utility model relates to the technical field of construction engineering construction, in particular to a novel plate type ballast bed structure in mortise and tenon connection, which comprises a modularized left side plate, a middle plate and a right side plate, and the middle plate is connected with the left side plate and the right side plate in a mortise and tenon mode. The number of the shear hinges is matched with that of the mortise and tenon joints, and the two ends of the shear hinges are connected with the outer sides of the mortise and tenon joints respectively. The assembly type plate-type ballastless track structure has the advantages that the assembly type plate-type ballastless track structure is easy to disassemble and assemble, easy to maintain and repair and convenient to maintain and replace, and the service life of the assembly type plate-type ballastless track structure is prolonged; during replacement and maintenance, the operation process is rapid and simple, skylight time is effectively utilized for construction, and driving in the next day is not affected; stable connection is formed by adopting a tenon-mortise structure, so that the prefabricated track plate structure is firmer and more reliable, and the stability of the track structure is ensured; the original structure is not affected after maintenance and replacement, and safety and reliability are achieved.

The present invention relates to a long-string flipping tool for aircraft wall panel structures and a co-curing molding method, which belong to the field of aviation manufacturing technology. The long-string flipping tool comprises: a flipping platform, provided with: a laying tool limiting device, used for limiting and constraining the long-string laying tool transfer process; a laying tool connecting device, used for connecting and positioning the long-string laying tool on the flipping platform; a laying tool positioning device, used for positioning and constraining the ends of the long-string laying tool on the flipping platform; a wall panel molding tool docking device, used for docking and positioning between the flipping platform and the wall panel molding tool after the flipping platform is flipped as a whole; a first / second bracket, provided at both ends of the flipping platform, respectively connected to the flipping platform through a bracket connecting device. The long-string flipping tool and the matching positioning device have the characteristics of simple structure and easy operation, and can meet the requirements of process stability and production efficiency in the co-curing molding process of aircraft wall panel parts.

The invention belongs to the technical field of hoisting management and control, and particularly relates to a hoisting construction control system for an open-web sandwich plate structure, which comprises a hoisting equipment integration module, an intelligent control adjustment module, a hoisting monitoring module, a hoisting risk evaluation module and a hoisting supervision end, according to the invention, an open-web sandwich plate structure is fixed and hoisted through the hoisting equipment integration module, the intelligent control module controls the hoisting process of a hoisting machine, and the hoisting monitoring module monitors the hoisting process of the open-web sandwich plate structure and sends monitoring information to the hoisting risk assessment module; and the hoisting risk evaluation module comprehensively evaluates the hoisting risk based on the hoisting information, and enhances hoisting supervision and takes reasonable countermeasures when a hoisting high-risk signal is generated, so that the hoisting risk is reduced, hoisting safety accidents can be avoided, and the supervision difficulty in the hoisting process of the open-web sandwich plate structure is remarkably reduced.

The embodiment of the invention discloses electronic equipment, a composite board and a preparation method thereof, and relates to the field of board structures. The conductive performance of the composite board is improved. According to the specific scheme, the composite board comprises a composite layer, a carbon fiber yarn layer, a conductive layer and a floor. The composite layer is provided with a groove structure; the carbon fiber yarn layer is embedded in the composite layer, and part of the carbon fiber yarn layer is located in the groove structure. The conductive layer and the composite layer are stacked, and the conductive layer covers at least part of the groove structure and is electrically connected with the carbon fiber yarn layer. One side of the conductive layer away from the composite layer is electrically connected with the floor. And the conductive layer is electrically conducted with the carbon fiber yarn layer. And the carbon fiber yarn layer embedded in the composite layer is electrically connected with the floor through the arrangement of the groove structure and the conductive layer. Therefore, charges in the whole carbon fiber yarn layer can flow to the floor through the conductive layer. And the whole carbon fiber yarn layer has an electromagnetic compatibility protection effect. When the composite board is applied to the electronic equipment, the electromagnetic compatibility protection performance of the electronic equipment can be improved.

The invention discloses a split type suction pile anchoring foundation and an offshore construction method, and relates to the technical field of ocean engineering, and the split type suction pile anchoring foundation comprises a suction pile structure and a buoyancy tank structure; an apron board structure and a lug plate structure are arranged on the side wall of the suction pile structure; a drainage pipeline penetrates through the top of the suction pile structure and communicates with the interior of the suction pile structure and the water suction pump. A balance weight cabin and a ballast tank are arranged in the buoyancy tank structure, and a pressure discharging and loading system is arranged in the ballast tank; the supporting leg structures are arranged at the bottom of the buoyancy tank structure, and the buoyancy tank structure is pressed on the apron board structure through the supporting leg structures; a first eye plate connected with a mooring rope or a mooring chain is arranged on the outer side wall of the buoyancy tank structure. The technical problems that due to the fact that a traditional suction pile anchoring foundation is limited by the dead weight, the depth of penetrating into soil in the soil conditions such as sandy soil is insufficient, enough pressure difference cannot be generated in the closed space formed by the cylinder wall and soil in the space outside the cylinder wall, and the suction barrel reaches the preset installation depth and the designed tensile strength and the designed pulling strength are solved.

The utility model provides a railway non-buried subgrade pile-slab structure of underpass highway bridge, including: two rows of pile foundations, set up in the top of two rows of pile foundations, lay on the support beam on the bearing plate and set up in the ballastless track structure on the bearing plate, the two rows of pile foundations are correspondingly set up along railway subgrade and pass through highway bridge down, the ballastless track structure is set up in the ballastless track structure, the ballastless track structure is set up on the ballastless track structure, the ballastless track structure is set up on the ballastless track structure, the ballastless track structure is set up on the ballastless track structure. Wherein the pile foundations located below the highway bridge are arranged between the existing bridge piers; the two ends of each joist are arranged on the opposite pile foundations of the two rows of pile foundations; the bearing plate is used as the railroad bed and is arranged corresponding to the two rows of pile foundations; and each bearing plate is arranged corresponding to the ballastless track structure. By means of the roadbed structure, the problems that effective clearance of an existing roadbed structure is prone to being limited, the construction period is long, and additional settlement deformation is generated due to the fact that a fill roadbed generates additional loads on existing highway bridge piers can be solved.

The invention provides a PCB (Printed Circuit Board) packaging structure for improving the performance of a large-size QFN (Quad Flat No-lead) chip and a design method of the PCB packaging structure, which are characterized in that hot bonding pads of PCB packaging are uniformly divided into n bonding pad arrays, and power supply wires penetrate through gaps among the hot bonding pads of TOP layers and connect power supply pins dispersed on four sides, and a power supply plane of a net structure is formed; and meanwhile, a backflow path is prevented from being cut off when a power line is routed on the bottom layer, so that the chip has a good and complete GND plane on the bottom layer, and finally high-performance stable operation of the chip on the PCB with a two-layer board structure is realized.

The utility model discloses a treadmill platform structure of a treadmill. The treadmill platform structure comprises a treadmill platform, a treadmill plate and a treadmill belt, the running plate comprises soft elastic strip bodies matched on the two side rod pieces of the running platform, a plurality of rigid supporting strips matched between the two soft elastic strip bodies, and strip-shaped connecting plates connected to the two ends of the rigid supporting strips respectively; the two strip-shaped connecting plates are connected to the upper faces of the rigid supporting strips, and the strip-shaped connecting plates are fixed to the corresponding ends of the rigid supporting strips respectively. According to the running board, the whole running board can be buffered, and particularly, the rigid supporting strips are connected into a whole through the strip-shaped connecting plates, so that unsmooth transition of the rigid supporting strips when a runner treads the running board is avoided, the comfort of the sole of the runner is improved, and the noise of the running machine can be reduced.

The invention relates to the technical field of bridge construction engineering, and discloses a prefabricated bridge plate integral tensioning structure which comprises a bridge plate structure and a hydraulic driving device, the bridge plate structure comprises a bridge plate body, a plurality of through holes are formed in the bridge plate body, and the bridge plate body is provided with a plurality of corrugated pipes through the through holes; according to the bridge plate, through the arrangement of a double-liquid space control and limiting baffle structure of the hydraulic driving device, in the springback process after tensioning is completed, the displacement sensor monitors displacement of the steel strands in real time, and when it is detected that the springback distance is abnormal, the steel strands are driven by the hydraulic driving device to move back and forth. The position of the first anchor clamping piece is cooperatively adjusted through the third push rod and the second push rod, it is ensured that the first anchor clamping piece is tightly attached to an anchorage device hole, damage to the interior of a bridge plate due to too high prestress is avoided, potential safety hazards in subsequent use are reduced, and the structural stability is improved.

The invention relates to a front service panel (10) for a motor vehicle, comprising a lower panel structure (30) and an upper panel cover (20), wherein the lower panel structure (30) is covered by the upper panel cover (20), and wherein the lower panel structure (30) has at least one recess which forms a windshield washer reservoir (32), wherein the windshield washer reservoir (32) can be filled through an access opening (37) in the lower panel structure (30).