55 results about "Thin shells" patented technology

The invention relates to the technical field of motor shell machining, in particular to a precise metal part cutting clamp which comprises a working table, a rotating seat is rotatably mounted on the working table, and a three-jaw chuck is mounted in the middle of the upper end of the rotating seat, and is characterized in that a supporting plate is fixedly mounted on the rotating seat through a plurality of frame connecting rods; an anti-overturning unit and an inner supporting unit are mounted on the supporting plate; before the motor shell is clamped, the motor shell can be pre-positioned, so that the three-jaw chuck can be aligned and centered without depending on larger clamping force, and the situation that the motor shell with a thin shell is deformed due to the fact that the clamping force is too large is prevented; when an inner hole of the motor shell is machined, the outer side of the motor shell can be radially supported, when the outer side of the motor shell is machined, the inner hole of the motor shell can be rigidly and internally supported, the overturning moment generated in the cutting process is effectively offset, the stability of the motor shell in the machining process is improved, and therefore the machining precision of the motor shell is ensured.

The present application relates to a kind of large section deep soft rock tunnel combined support system and construction method, the present application is combined with elastic shell theory and equivalent section method, a steel arch frame-grating combined support mode suitable for deep large section soft rock tunnel is proposed, the support rigidity of simply using steel arch frame or grid steel frame is overcome or supported, the disadvantage of lower in long-term large deformation unfavorable surrounding rock stability and deformation control, solve the problem that the stress of existing support structure is larger, the self-bearing capacity of surrounding rock cannot be fully exerted, cause material waste is serious, the safety factor of support structure is low, difficult to guarantee the stability of tunnel, and provide a simple and practical construction method for tunnel excavation and support.

The invention discloses a welding process device and method for a gate of a side wall thin-wall frame structure of a motor train unit project. The welding process device comprises a bottom support supported at the bottom of the device. The side wall upper edge clamping assembly is arranged on the upper portion of the bottom support and used for clamping and fixing the upper edge of a side wall. The cross beam clamping assembly is arranged at the upper part of the bottom bracket and is used for positioning and fixing an upper edge and a door frame cross beam; a water storage and slow cooling structure is arranged between the side wall upper edge clamping assembly and the upper edge of the side wall, the specific heat capacity of a medium filled in the water storage and slow cooling structure is larger than that of a body material of the water storage and slow cooling structure, and the thermal conductivity of the water storage and slow cooling structure is smaller than that of the body material of the water storage and slow cooling structure. According to the process device and method, welding deformation can be effectively controlled, the welding quality and the production efficiency are improved, and good application prospects and popularization value are achieved.

The invention discloses a superstructure shell device for reducing noise radiation, which comprises an outer shell and an inner shell, and is characterized in that the outer shell and the inner shell are of a thin shell structure which is coaxially arranged; and one or more annular noise reduction devices, wherein the annular noise reduction devices are arranged between the outer layer shell and the inner layer shell. The connecting device is used for coaxially and fixedly connecting the outer-layer shell, the annular noise reduction device and the inner-layer shell; wherein each annular noise reduction device comprises an integrated circular ring frame and at least one closed particle damping cavity, the circular ring frame comprises a plurality of torsion structure cavities and connecting rods in the annular direction, the torsion structure cavities and the connecting rods are periodically arranged in the annular direction, and the torsion structure cavities and the connecting rods form periodic structure units in a plane; the particle damping cavity is defined by a cover plate and the torsion structure cavity, and the particle damping cavity is filled with spherical particles.

The utility model discloses processing equipment for a luggage with a light and thin shell and belongs to the technical field of luggage punching, the processing equipment for the luggage with the light and thin shell comprises a rack, a fixing plate, a lifting device and a punching device, the outer end of the rack is provided with a roller way assembly, and a plurality of limiting assemblies used for forming rotation resistance are installed in the roller way assembly; a pressing and holding assembly used for extruding and fixing the luggage is arranged at the bottom end of the punching device, when a drill bit moves downwards to conduct drilling, an abutting disc of the drill bit makes contact with the surface of the luggage for limiting firstly, then a limiting block abuts against the interior of a limiting hole through the acting force provided by a plurality of second springs, and therefore resistance is formed for rotation of a roller shaft; according to the luggage punching device, the roller way assembly is arranged, so that the luggage is not prone to moving on the roller way assembly, secondary limiting is formed, the luggage is fixed, the punching quality is improved, meanwhile, additional fixing operation is not needed during punching, the pressing assembly and the roller way assembly are automatically matched, and therefore the machining efficiency can be improved.

This invention discloses a pre-defined fracture-type pile tip deformation monitoring device, construction method, and monitoring method for driven steel pipe piles. The monitoring device includes a transmission mechanism and a fracture sensor installed at the bottom of the driven pile. The fracture sensor includes a sensing wire, multiple thick shells, and multiple thin shells, which are alternately distributed and connected end-to-end to form a circular portion that matches the inner wall of the driven pile. Each thick shell has a first through hole and a second through hole at its two ends. A resistor is embedded in each thin shell. The sensing wire is connected to both ends of the resistor through the first and second through holes to form independent circuits. All independent circuits are connected in parallel and to the transmission mechanism through corresponding armored wires. This invention has advantages such as economy, convenience, sensitivity, and accuracy. It is suitable for steel pipe pile construction under various geological conditions, effectively improving project quality and reducing engineering risks caused by pile tip deformation.

This invention relates to a high-precision, cost-effective method for manufacturing open, curved integral thin-shell shells, belonging to the field of advanced manufacturing. It solves the problem that existing methods struggle to simultaneously achieve low cost, high efficiency, and high precision when manufacturing open, curved integral thin-shell shells. The method includes the following steps: S1, establishing a theoretical model of the thin-shell; S2, performing finite element simulation of subsequent assembly processes on the thin-shell; S3, performing finite element simulation of the mold during heating; S4, digitally unfolding the reconstructed thin-shell model to obtain an accurate planar unfolded model of the thin-shell. This invention, through multiple key steps such as thin-shell reconstruction, mold reconstruction and / or differential temperature design, and conversion of the three-dimensional thin-shell model into a planar unfolded model, can effectively improve the manufacturing efficiency of thin-shell shells, shortening the processing cycle by more than 75%; reducing costs by more than 80%; and improving the precision of thin-shell manufacturing, with product surface accuracy reaching the order of 0.3mm / 1000mm.

This invention relates to the field of aqueduct construction technology, and discloses a method for on-site construction of a U-shaped aqueduct body based on a self-propelled trenching machine, as well as the self-propelled trenching machine itself. It aims to solve the technical problems of poor structural adaptability, insufficient construction stability, difficulty in precision control under complex working conditions, and inefficient construction organization when using conventional bridge mobile formwork for the construction of large-span U-shaped thin-shell aqueducts in the prior art. The invention includes the following steps: S1. Equipment assembly and anti-overturning reinforcement; S2. Pre-stressing and positioning of the formwork structure; S3. Installation of reinforcing steel and prestressed structure; S4. Positioning of the inner formwork anti-buoyancy structure; S5. Concrete pouring and curing; S6. Prestressing tensioning and grouting; S7. Equipment demolding and longitudinal movement through holes; S8. Formwork closing and cyclic construction. The self-propelled trenching machine of this invention, by setting a horizontally opening and closing lower hanging beam and a foldable hydraulic inner formwork structure, enables the formwork to accurately adapt to the complex hyperboloid contour and ultra-large width of the U-shaped aqueduct, solving the structural adaptability problem of conventional formwork.

The present application relates to concrete vibration technology field, disclose a thin shell concrete structure through type vibrating device. A plurality of pairs of fixed blocks are arranged on the two side forms of the concrete, the middle part of the vibrating rod is embedded into the concrete through the rotating holes on the two side fixed blocks, then the vibration unit is used to generate vibration, the vibration is transmitted to the vibrating rod embedded in the concrete, so as to vibrate the concrete; after the vibrating operation is completed, the vibrating rod protruding out of the surface of the concrete is cut and subjected to rust-proof treatment. A flexible shaft is arranged in the transmission device, and the flexible shaft is used to reduce the vibration transmitted by the vibration unit to the driving unit. Based on the above measures, a plurality of vibrating rods penetrating through the two side forms of the concrete are arranged in the concrete at a horizontal interval, the vibrating of the thin shell concrete structure is realized, and the problem of difficult vibration of the thin shell concrete structure is solved; in addition, the flexible shaft is arranged in the transmission system, the vibration is reduced to the driving unit, which is conducive to the operation of the workers, and the energy loss is also reduced.

The invention relates to the field of material recovery, in particular to a crushing device for thin shells of particles with Mohs hardness of 9.5 grade. According to the crushing principle, the shells of hard particles are crushed by means of instantaneous shear force between a movable grinding head and a static grinding head, the device mainly comprises the movable grinding head, the static grinding head, a feeding port and a discharging port, the static grinding head is arranged below the movable grinding head, and the discharging port is arranged below the static grinding head. A particle channel is arranged between the movable grinding head and the static grinding head, one end of the particle channel is connected with the feed port through a pipeline, and the other end of the particle channel is connected with the discharge port through a pipeline; cutting grooves are formed in the dynamic grinding head and the static grinding head, the positions of the cutting grooves of the dynamic grinding head and the static grinding head are opposite, and the dynamic grinding head and the static grinding head crush particles through shearing. Through the design of the movable grinding head and the static grinding head, the abrasion degree of a traditional crushing device during crushing of thin-shell materials with the Mohs hardness of 9.5 level is reduced. By changing the material channel gap between the movable grinding head and the static grinding head, the crushing fineness of particle thin shells with the Mohs hardness of 9.5 grade can be controlled and adjusted.

This invention discloses a hollow structure Go piece, belonging to the technical field of chess products. The invention includes a Go piece body, which consists of a shell, a hollow area, and internal supports. The Go piece body adopts a thin-shell structure design, with hollow areas on the shell and internal supports arranged in the non-hollow areas. Specifically, the pentagram series hollow Go pieces use a fully supported structure, while the snowflake series hollow Go pieces feature a combination of columnar and radial support structures. This invention optimizes the layout of the hollow areas and internal supports through topological modeling, significantly reducing weight, achieving a lightweight Go set, and facilitating portability while effectively ensuring the structural strength and durability of the Go pieces. This invention relies on structural optimization to precisely control the center of gravity of the Go pieces, ensuring a high degree of consistency in the center of gravity of each piece through refined structural proportions, effectively improving placement stability and game feel. This invention features a novel structure, diverse shapes, and strong practicality, effectively solving the technical problems of traditional solid Go pieces, such as heavy weight, inconvenience in carrying, difficulty in accurately controlling the center of gravity, and poor consistency.

This invention relates to the field of razor clam aquaculture technology and discloses an air flotation sorting device for juvenile razor clam shells. The device includes a sorting box, which is a rectangular box structure with an open top. Side limiting plates are fixedly installed on the inner walls of the left and right sides of the sorting box. A layered screening mechanism is movably installed inside the sorting box corresponding to the inner side of the side limiting plates. The highest point of the side limiting plates is flush with the highest point of the layered screening mechanism after installation. In this invention, the sorting box stores water, and the entire sorting process for juvenile razor clam shells is completed in an aquatic environment, eliminating the problem of dehydration damage. This design aligns with the aquatic survival characteristics of juvenile razor clam shells, significantly improving the survival rate of sorted juvenile razor clam shells. It solves the problems of traditional sorting methods that result in detachment from the water and low survival rates. The device uses microporous ceramic aeration plates to generate fine and uniform microbubbles, which gently agitate the water, creating a gentle flow without hard impacts. This is suitable for thin-shelled juvenile razor clam shells, reducing the breakage rate of juvenile razor clam shells from the source.

The utility model provides a loudspeaker assembly and electronic equipment. The loudspeaker assembly comprises a shell and a sound production main body assembled on the shell, the shell comprises a shell main body, a structural member and an injection molding body, and the structural member independent of the shell main body can make the thickness of the shell be reduced by utilizing the structural attribute of the structural member. The shell body, the structural member and the sound production body define a front cavity, and the shell body is provided with a first opening communicating the front cavity with the outside of the loudspeaker assembly. The structural member is provided with a through hole penetrating through the structural member in the peripheral area of the sounding main body, the injection molding body comprises a glue structure and an extension structure, and the glue structure is located around the sounding main body, so that the glue forms sealing between the glue structure and the sounding main body. And the extension structure is connected with the adhesive structure and the outer side surface, back to the adhesive structure, of the structural member through the through hole so as to fix the structural member. According to the extension structure, the fixing reliability of the structural part is enhanced, the sealing failure caused by separation from the structural part due to volume reduction after injection molding is avoided, and the waterproof performance can be improved.

The invention discloses an apocarya shell crushing device, which belongs to the technical field of walnut shell crushing, and comprises an external frame body and a crushing mechanism for performing secondary crushing on the primarily crushed apocarya shells, a rolling mechanism for primarily rolling and crushing the carya illinoensis shells and a driving mechanism for providing power for the device are arranged on the external frame body; accumulated force release work cycle is achieved, in the force storage stage, the fine crushing hammer is locked by the fixing clamping block, energy of a transmission system is stored in the force storage spring, after accumulated force reaches the limit, the fixing clamping block is tripped, the force storage spring is released instantly, the fine crushing hammer is driven to impact at a high speed, strong instantaneous impact force is applied to materials in the fine crushing chamber, and the materials are crushed. Through the fine crushing chambers which are connected in series at the upper stage and the lower stage, materials are sequentially subjected to high-strength impact crushing twice, so that the granularity of finally produced particles is finer and more uniform, and the granularity requirement of subsequent high-added-value utilization is met.

The post-disaster portable toilet bedpan structure comprises a U-shaped thin shell and a drawable groove shell capable of being inserted into the opening end of the thin shell, a bearing groove shell is fixedly arranged at the bottom end of the U-shaped opening of the thin shell, the bottom face of the bearing groove shell is an inclined face, the lowest end of the inclined face is located over a toilet groove of the drawable groove shell, and the bottom end of the inclined face is connected with the toilet groove of the drawable groove shell. Therefore, excrement falling into the inclined surface can slide into the excrement groove of the drawable groove shell. Through the innovative design scheme, compared with the prior art, the toilet bedpan has the remarkable advantages that firstly, the modular main body structure design is adopted, so that each functional unit of the toilet bedpan can be independently replaced so as to adapt to different post-disaster environments and emergency requirements, the situation that the toilet bedpan is integrally replaced due to local damage or pollution is avoided, the service life is prolonged, and the maintenance cost is reduced;

This invention discloses a composite material frame for a curved thin-shell receiver array. The composite material frame includes a support frame with multiple array element mounting slots. Each array element mounting slot has array element wiring holes. Multiple rubber through holes are evenly arranged on the support frame outside the array element mounting slots. The support frame has multiple transition parts on its outer side, each transition part having a frame mounting hole, and connectors are installed on the frame mounting holes. The manufacturing method of this composite material frame includes: S1, manufacturing a copper mesh shielding layer; S2, manufacturing the composite material frame; S3, manufacturing mounting accessories. The invention also discloses a method for applying this composite material frame to manufacture a curved thin-shell receiver array, including: S1, installing hydrophones and arranging wires; S2, potting and shaping with adhesive; S3, assembling mounting accessories. The advantages of this invention are: reasonable overall design, light weight, high strength, convenient installation and use, good sound transmission performance, high positioning accuracy, dense array element distribution, good vibration resistance, and safety and reliability.

The invention relates to a 3D printing manual operation concave smooth surface silica gel thin shell mold. An annular overflow groove is formed in the upper surface of a lower mold; a nut is embedded in the lug plate structure around the lower die, and an ejection bolt is assembled in the nut in a screwing manner; ejection blind holes corresponding to the ejection bolts in position are formed in the periphery of the upper mold; when the concave smooth surface silica gel thin shell is manually manufactured, silica gel raw materials for injection molding are poured into the concave surface cavity, the upper mold is manually covered, it is ensured that the ejection bolts are aligned with the ejection blind holes in position, the redundant silica gel raw materials flow into the overflow groove, and during demolding, the multiple ejection bolts are manually rotated to disengage the upper mold. According to the mold, through the innovative design of embedding the nut and screwing the screw, the demolding process is simpler, the dependence on complex equipment is reduced, and the mold is particularly suitable for laboratories and small-batch production environments; and the overflow groove is arranged, so that the requirement on the accuracy of silica gel materials during manual operation is reduced.

The invention discloses a thin-shell part packaging device, and belongs to the field of machine manufacturing. In the device, a rotating shaft shell turning device is arranged above a conveying belt in a lifting manner; the mounting disc is located on the downstream portion of the rotating shaft shell turnover device and provided with a feeding position, a mounting position and a notch position which are arranged at intervals in the circumferential direction, and the mounting position and the notch position are located on the upstream portion and the downstream portion of the mounting disc correspondingly. The rotating shaft shell overturning device overturns the thin-shell parts on the conveying belt, the support taking device transfers plastic supports on the storage disc to the feeding position, the rotator rotationally drives the plastic supports at the feeding position to the mounting position, and the transposition sucker device transfers the overturned thin-shell parts on the conveying belt to the plastic supports at the mounting position. And the rotator rotationally drives the plastic support and the thin-shell part at the mounting position to the notch position, so that the plastic support and the thin-shell part automatically fall onto the conveying belt from the notch position. According to the thin-shell part automatic overturning and mounting device, automatic overturning, automatic mold taking and automatic mounting of thin-shell parts can be achieved, the manual intervention requirement is remarkably reduced, and the operation efficiency is high.

The invention provides a layer laying and forming method of a conical composite material thin shell, the layer laying method adopts a one-way prepreg to lay at least one layer on a mold surface, and the layer laying mode is at least one of 0-degree integral layer laying, alpha-degree integral layer laying, 0 < alpha < 90 and 90-degree integral layer laying; according to the invention, the quadrilateral narrow strips and the trilateral narrow strips are alternately spliced and laid into the 0-degree and alpha-degree integral laying layers, so that the fiber continuity of a single laying layer and the uniformity of continuous fiber distribution are improved, the high continuity of the structural laying layer can be realized by using a very small number of laying layers, the fiber continuity is improved, and the continuous fiber distribution uniformity is ensured; and the layering difficulty is reduced, the process is simplified, and the production efficiency is improved.

The utility model relates to an exhausting and draining device of a heating radiator. The exhausting and draining device of the heating radiator comprises a water retaining shell and a connecting magnet, the whole water retaining shell is a thin shell sleeving the exhaust valve, one end of the water retaining shell is provided with an operation port, and the other end of the water retaining shell is provided with a mounting port corresponding to the exhaust valve; the inner diameter of the mounting port is larger than the outline outer diameter of the exhaust valve; the connecting magnet is fixedly connected with the mounting opening; an inner cavity of the water retaining shell is matched with the exhaust valve; a water outlet is formed in the middle bottom side of the water retaining shell. The utility model provides a set of device capable of preventing the central heating radiator from splashing all around when the central heating radiator discharges water, so that not only can the water discharging requirement of the central heating radiator be met, but also the cleaning task after water discharging can be reduced.

The utility model relates to the field of spinning guide wheels, and discloses a fast-assembly type spinning guide wheel which comprises a spinning guide wheel body and a mounting plate, a connecting rod is rotationally connected into the mounting plate, a fixing assembly is arranged between the connecting rod and the spinning guide wheel body, and an anti-disengaging assembly is arranged on the outer side of the spinning guide wheel body. The fixing assembly comprises a thin shell, the outer side of the thin shell is fixedly connected to the end, away from the mounting plate, of the connecting rod, two sliding grooves are formed in the thin shell, and baffles are slidably connected to the inner walls of the sliding grooves. According to the spinning guide wheel, the thin shell is aligned with the inserting groove to be inserted, the handle is pushed, the baffle is driven to compress the first spring, the inserting block is inserted into the spinning guide wheel body, the handle is loosened, and the first spring rebounds to achieve fixing, so that the spinning guide wheel body is conveniently installed and disassembled, the installation time is effectively shortened, and the maintenance efficiency of equipment is improved; and the downtime caused by equipment maintenance is reduced, so that the spinning production efficiency is improved.

The invention relates to the technical field of aqueduct construction, and discloses an aqueduct U-shaped groove body cast-in-place construction method based on a self-propelled groove building machine and the self-propelled groove building machine. The technical problems that in the prior art, when a conventional bridge moving formwork is used for construction of a large-span U-shaped thin-shell aqueduct, the structural adaptability is poor, the construction stability is insufficient, precision control is difficult under the complex working condition, and the construction organization for connection with a landing section is low in efficiency are solved. The method comprises the following steps: S1, equipment assembly and anti-overturning reinforcement; s2, pre-pressing and positioning a template structure; s3, steel bars and a prestressed structure are installed; s4, an internal mold anti-floating structure is in place; s5, concrete pouring and curing; s6, prestress tensioning and grouting are conducted; s7, equipment demolding and longitudinal movement hole passing are carried out; and S8, mold closing and circulating construction are conducted. According to the self-propelled aqueduct building machine, the lower hanging beam capable of being transversely opened and closed and the foldable hydraulic inner mold structure are arranged, so that the mold plate can accurately adapt to the complex hyperboloid contour and the ultra-large width of a U-shaped aqueduct, and the structure adaptation problem of a common scale frame is solved.

The invention belongs to the technical field of full-section rock tunnel boring machines, and particularly provides a steel-concrete combined pipe piece supporting open type rock tunnel boring machine which comprises a shield, an excavation system, a steel-concrete combined steel pipe piece, a supporting and propelling system, a belt conveyor slag removal system and a pipe piece assembling mechanism, and the excavation system, the steel-concrete combined steel pipe piece, the supporting and propelling system, the belt conveyor slag removal system and the pipe piece assembling mechanism are installed in the shield. The excavation system is used for tunneling and excavating the tunnel; the excavation system and the shield are mutually connected to form heading machine main equipment; the steel-concrete combined steel pipe sheets are used for stably excavating a channel and supporting a tunnel wall; the supporting and propelling system is used for supporting the heading machine main equipment and adjusting the heading posture of the heading machine main equipment; the belt conveyor slag removal system is used for conveying broken rocks generated in the tunneling process of the excavation system to the outside of the tunnel; the pipe piece assembling mechanism is used for grabbing and conveying steel-concrete combined steel pipe pieces or steel arches. The steel-concrete combined steel pipe pieces are arranged, the structure is reinforced only through concrete, a thin shell is used for replacing a thick steel plate, and the overall light weight effect is achieved.

This invention discloses a prefabricated assembled foundation for wind turbine towers, combining a spherical shell and a conical shell, and its construction method. Belonging to the technical field of wind turbine tower foundations, the prefabricated assembled foundation includes: a spherical shell foundation body comprising multiple prefabricated spherical shell components, the spherical shell foundation body having a downwardly convex spherical shell shape; a conical shell foundation body arranged on the upper side of the spherical shell foundation body, the conical shell foundation body having a conical shell shape and comprising multiple prefabricated conical shell components; and a ring beam connecting the conical shell foundation body and the spherical shell foundation body, the ring beam comprising multiple prefabricated beam components, the multiple prefabricated beam components being spliced ​​and connected along the circumference of the spherical shell foundation body. The prefabricated assembled foundation for wind turbine towers based on the spherical shell and conical shell combination of this invention can fully utilize the advantages of thin-shell foundations, such as reasonable stress distribution and material saving. The cavity enclosed by the foundation can be filled with counterweights to improve the foundation's overturning stability. The use of prefabricated components can significantly shorten the on-site construction cycle and ensure the consistency of foundation construction quality.

The invention relates to a section elastic self-recovery mechanism, and belongs to the technical field of space structure mechanism expansion. Comprising a fixing plate, shape-maintaining clamping pieces, root reinforcing pieces, end reinforcing pieces and a composite material thin shell. Wherein the composite material thin shell is of a rectangular plate-shaped structure which is horizontally placed; the fixing plate, the shape-maintaining clamping piece, the root reinforcing piece and the end reinforcing piece are all of a rectangular plate-shaped structure. The lengths of the fixing plate, the shape-maintaining clamping piece, the root reinforcing piece and the end reinforcing piece are consistent with the width of the composite material thin shell; the shape-maintaining clamping piece is mounted on the lower surface of the root part of the composite material thin shell; the fixing plate is installed on the lower surface of the shape-maintaining clamping piece. The root reinforcing piece is installed on the upper surface of the root of the composite thin shell and located above the shape-maintaining clamping piece. The end part reinforcing sheet is mounted on the upper surface of the end part of the composite material thin shell; the section elasticity self-recovery mechanism is light in weight, low in mechanism complexity and high in reliability.

This application relates to a large-scale double-layer UHPC-iron-based SMA thin-walled box-type floating structure and its process, belonging to the field of marine thin-walled floating structure design technology. It includes a bottom plate and side plates, with the side plates arranged around the bottom plate. Both the bottom plate and side plates include an outer thin shell, an iron-based SMA grid, lightweight blocks, and an inner thin shell. Both the outer and inner thin shells are cast from UHPC. The iron-based SMA grid is laid inside the outer thin shell, and connection areas are formed between the outer and inner thin shells. Several lightweight blocks are provided and distributed within the connection areas. Bottom ribs are cast from UHPC within the connection areas of the bottom plate, and interlayer ribs are cast from UHPC within the connection areas of the side plates. This floating structure has advantages such as simple process, convenient prestressing, and no friction loss. While improving the compressive, tensile, and impermeability resistance of the floating structure, it can also support the design of complex curved thin-walled floating structures.

The invention relates to the technical field of injection molding, and discloses a molding device for producing a power bank shell, which comprises an injection molding mechanism, a molding mold mechanism and a demolding mechanism, the injection molding mechanism comprises an injection molding machine, an injection molding heating assembly is arranged on one side of a molding area of the injection molding machine, and a storage bin used for storing raw material particles is arranged on the injection molding heating assembly. The forming mold mechanism comprises a thin shell forming mold arranged in the forming area, the thin shell forming mold is composed of a lower forming mold and an upper forming mold, an upper mold wall is fixedly arranged on the side, close to the lower forming mold, of the upper forming mold, and a sensor used for detecting the glue injection pressure is assembled in the upper mold wall; according to the invention, the forming bottom pad sliding in the forming groove is arranged, and under the synergistic effect of the driving assembly and the reset assembly, the forming bottom pad elastically extends under the action of tensile force, so that relative dislocation is generated between the forming bottom pad and a power bank shell attached to the forming bottom pad, and flexible and efficient demolding is realized.

The invention discloses a prefabricated UHPC thin-shell tubular column structure and a manufacturing method, the prefabricated UHPC thin-shell tubular column structure comprises an outer mold, an upper cylinder connecting structure, a lower cylinder connecting structure, a fishbone support, an elastic supporting structure and stirrups, the upper cylinder connecting structure and the lower cylinder connecting structure are connected through the outer mold, and the upper cylinder connecting structure and the lower cylinder connecting structure are arranged at the two ends of the outer mold; the elastic supporting structure is arranged on the inner side of the outer mold through the fishbone support, the two ends of the elastic supporting structure and the two ends of the fishbone support are fixedly connected with the upper cylinder connecting structure and the lower cylinder connecting structure respectively, the elastic supporting structure and the outer mold are arranged in a spaced mode, and the hoop is arranged between the elastic supporting structure and the outer mold. By means of the outer mold, the upper cylinder connecting structure, the lower cylinder connecting structure, the fishbone support, the elastic supporting structure and the stirrups, stable supporting and convenient dismounting are achieved, and the beneficial effects that the supporting stability is improved, the connecting structure is simplified, the inner mold is convenient to dismount, and the construction efficiency is improved are achieved. And therefore, the construction efficiency and the member quality are improved.

This invention relates to a manufacturing method for a lightweight, high-load-bearing, complex integral thin-shell, belonging to the field of advanced manufacturing. It solves the problem that existing methods struggle to efficiently, cost-effectively, and precisely manufacture such shells. The manufacturing method includes the following steps: S1, establishing a theoretical model of the thin-shell; S2, performing finite element simulation of subsequent assembly processes to obtain a reconstructed model; S3, designing a manufacturing process scheme based on the reconstructed and theoretical models, including a thin-shell forming scheme and a preform manufacturing process scheme; and S4, manufacturing the thin-shell according to the manufacturing process scheme. This invention, through multiple key steps such as thin-shell reconstruction, thin-shell forming scheme design, and preform manufacturing process scheme design, effectively improves the precision and efficiency of thin-shell manufacturing, achieves precise weight control, enhances the load-bearing capacity of the thin-shell, shortens the processing cycle, and reduces costs.