52 results about "Assembly (construction)" patented technology

The application discloses a method for reinforcing and supporting soft soil layers along a coast and rapidly recycling steel sheet piles, and the construction method comprises the following steps: measuring data, formulating a construction scheme, conducting a construction test, correcting a theoretical analysis, organizing implementation, implementing deviation correction, and recycling materials. According to the method, the pore water in the soil is slowly drained by arranging vertical drainage plates, the pore ratio is reduced, the foundation is deformed, the strength of the foundation soil is gradually increased, the drainage distance is shortened by arranging the vertical drainage plates, the consolidation of the foundation is accelerated, the preloading period of the preloading project is shortened, the foundation can reach a good consolidation effect in a short period of time, the growth of the shear strength of the foundation soil is accelerated, the rate of the improvement of the bearing capacity of the foundation is always greater than the rate of the increase of the construction load, and the stability of the foundation is ensured, the vertical supporting system is formed by combining the lock buckle of the pipe pile and the steel sheet pile, so that the rapid enclosure construction is facilitated, the pipe pile and the steel sheet pile are convenient to disassemble and recycle, and the prefabricated assembly construction is realized.

The application belongs to the field of green building and building construction technology, and specifically discloses a green low-carbon building civil engineering integrated efficient construction building method. In view of the problems of design construction disconnection, multi-specialty cross conflict, high carbon emission and serious resource waste in traditional building civil engineering construction, the application constructs a 'cooperative design-factory prefabrication-assembly construction-low-carbon operation and maintenance' integrated system, and the method comprises the following steps: multi-specialty cooperative deepening design and carbon emission calculation based on BIM; factory prefabrication of low-carbon concrete components and integration of thermal insulation structure exterior wall; on-site assembly type construction and dry method connection; renewable energy system and photovoltaic building integrated synchronous installation; and whole life cycle carbon footprint monitoring and closed loop optimization. The application realizes the synchronous construction of the envelope structure and the main structure by driving the deep integration of industrialized production and assembly type construction through digital design, so that the construction period can be shortened, the whole life cycle carbon emission of the building can be reduced, and the civil engineering integrated green construction is realized.

The utility model discloses a kind of protective support for civil engineering and construction, it is related to building assembly technical field;And the utility model includes chassis, the upper surface of chassis is fixedly provided with hollow pole, the inside of hollow pole is slidably provided with support rod, and the one end of support rod is fixedly provided with fixed frame, support assembly is set on fixed frame, and lifting assembly is set on hollow pole and chassis;Support assembly includes U-shaped bracket, two limit plates are slidably arranged in U-shaped bracket;In the utility model, by the support assembly, the butt joint of single or double ventilation ducts in the process of assembly construction can be supported and limited by the action of U-shaped bracket, two limit plates and stud in support assembly, so as to improve the convenience of ventilation duct assembly construction operation, and then improve the efficiency of ventilation duct assembly construction, while avoiding the safety accident caused by falling of ventilation duct due to lack of support, and then reduce the risk coefficient of ventilation duct assembly construction.

This invention relates to the field of pipeline crossing structure safety technology in oil and gas transportation and water conservancy distribution engineering, specifically to a graded limiting design method and device for pipeline bridge supports based on time history analysis. The design method includes disc spring selection and parameter design, initial setting of graded limiting structure parameters, time history analysis verification and parameter optimization, device assembly and construction, and graded limiting layout. The supporting device includes disc spring assemblies, disc spring bases, upper pressure plates, limiting supports, and other components. The disc spring assemblies are made of stacked alloy steel, and the limiting supports have a Z-shaped structure with stiffening ribs. Each component is precision-machined and wear-resistant, and is fixed to a PTFE sliding plate with high-strength bolts. A sleeve provides sealing protection. This invention features a refined design, convenient installation, precise limiting, high stability, and flexible adjustment of the gap and disc spring combination to adapt to different pipeline bridge working conditions. It can effectively limit the lateral over-limit displacement of the pipeline bridge, avoid disc spring eccentric instability, and ensure the structural safety of the pipeline bridge under loads such as earthquakes and water hammer.

This invention relates to the field of civil engineering structural technology, specifically to a rapidly assembled prefabricated cylindrical structure, comprising a top-layer cylindrical component, at least one standard-layer cylindrical component, and a bottom-layer cylindrical component arranged sequentially from top to bottom. Each of the top-layer, standard-layer, and bottom-layer cylindrical components is assembled from multiple precast reinforced concrete cylindrical segments. These segments include several convex and concave cylindrical segments. Vertical grouting sleeves, annular steel pipes arranged circumferentially, and pre-reserved reinforcing bars extending from their upper surfaces are pre-embedded within the walls of both the convex and concave segments. This invention breaks down the overall cylindrical structure into standardized, miniaturized precast cylindrical segments, facilitating mass production in factories and conventional transportation. It significantly reduces reliance on prefabrication sites, specialized equipment, and hoisting conditions, making it suitable for various constrained engineering environments and enabling efficient, economical, and high-quality rapid assembly construction.

The application discloses a combined top iron of a rectangular top pipe, which comprises four basic top iron blocks, the basic top iron blocks are trapezoidal, the four basic top iron blocks are arranged in the positions of the four sides of a rectangle, two adjacent basic top iron blocks are detachably connected through a corner connecting block, a quick release device is arranged in the cavity in the middle of the basic top iron block, a plurality of connecting rods are symmetrically arranged at the two ends of the quick release device, the connecting rods are slidably arranged in the cavity of the basic top iron block, one end of the connecting rod is connected with the quick release device, and the other end of the connecting rod extends out of the end surface of the basic top iron block; and a plurality of connecting grooves for the insertion of the connecting rods are arranged on the corner connecting block. The application aims to provide a combined top iron of a top pipe, which is controllable in overall quality, convenient to assemble and short in construction period.

This invention discloses an integrated twisted decorative wall structure with seaweed-like surface decoration and its construction method. The decorative section of the GRG board surface layer is composed of stacked C-shaped cantilever panels. The seaweed-like cantilever decorative panels are integrally formed with the cantilever panels, and their cantilever length and span gradually change from bottom to top, forming a dynamic three-dimensional decorative surface. During construction, a parametric digital model is first established to drive the design, and the surface layer is divided into prefabricated GRG unit blocks for factory production. T-shaped connectors are pre-embedded on the back of the unit blocks. On-site, the unit blocks are installed on the reinforced decorative keel using adjustable cantilever connecting beams, and the precise positioning is achieved using a total station with the tip of the cantilever decorative panel as a reference to ensure accurate shaping. This invention solves the strength problem of large cantilever GRG materials through a stepped, stacked, reinforced structure, and achieves a safe, precise, and efficient presentation of complex and dynamic shapes through digital design and prefabricated assembly construction.

This invention discloses a method for integral assembly and construction of a concrete cup-shaped foundation core mold without roughening, belonging to the technical field of concrete cup-shaped foundation construction. The core mold includes two horizontal plates: vertical plates and side plates are symmetrically arranged on the outer sides of the two horizontal plates; a zipper assembly is located at the top of the upper horizontal plate; a tightening assembly is provided between the two horizontal plates; inserts are integrally formed on the surface of the side plates; and slots adapted to the inserts are provided on the surfaces of both the horizontal and vertical plates. The beneficial effects of this invention are: by splicing the horizontal, vertical, and side plates, and then tightening the hooks and U-shaped blocks through the tightening assembly, and further improving the stability of the splicing through the zipper assembly, this invention achieves the purpose of forming a core mold through an assembled steel plate structure. This provides a certain weight to improve the stability of the core mold's position during casting, and also facilitates easy assembly, disassembly, storage, and transportation.

The application discloses a kind of vertical assembly construction methods of steel bifurcated pipe, comprising the following steps: one, the tile of steel bifurcated pipe and crescent rib plate are made;Two, pre-assembled platform is set and steel bifurcated pipe lofting is carried out;Three, pre-assembled steel bifurcated pipe;Four, steel bifurcated pipe inner support is set;Five, steel bifurcated pipe disassembly;Six, steel bifurcated pipe transportation after disassembly;Seven, steel bifurcated pipe is assembled again.The application is welded positioning block on the tile of steel bifurcated pipe by pre-assembled segment of steel bifurcated pipe, and vertical assembly method is used to assemble steel bifurcated pipe, so that steel bifurcated pipe assembly difficulty is reduced, crescent rib plate and each tile assembly positioning, adjustment is simple;Tile assembly process is single, and deformation is small, and assembly quality is higher, after assembly, high-difficulty welding such as a lot of vertical welding and overhead welding is reduced, effectively improve the steel bifurcated pipe weld quality and efficiency;Positioning is accurate and stable using positioning block, greatly reduce the bifurcated pipe assembly difficulty again.

The present application relates to a kind of anti-fragment penetration assembled electronic signal shielding room, construction method, the shielding room includes: multiple wallboard modules, each is sequentially fixedly connected with ceramic composite impact layer, ribbed steel plate bearing layer, honeycomb buffer layer and first electromagnetic shielding layer from outside to inside, multiple wallboard modules head-to-tail butt joint;Top plate module is at least provided with second electromagnetic shielding layer, and top plate module is adaptively butted with the top of multiple wallboard modules;Bottom plate module is at least provided with third electromagnetic shielding layer, and bottom plate module is adaptively butted with the bottom of multiple wallboard modules;Hydraulic locking mechanism is arranged at the butt joint of adjacent wallboard module, wallboard module and top plate module and wallboard module and bottom plate module;Multiple wallboard modules and top plate module and bottom plate module cooperatively form closed shielding room.The present application realizes the coordination of anti-fragment penetration protection, electromagnetic shielding integrity and quick assembly construction, improves the structural reliability and shielding stability in high-risk environment.

This application relates to the technical field of precast guide wall assembly devices, and more particularly to a precast concrete guide wall assembly device and method for prefabricated construction. The proposed technical solution includes several guide plates and pushing plates, each group of guide plates and pushing plates being connected in series by connecting rods. It also includes a drop support component, a straightening mechanism, a leveling mechanism, and a two-stage drive mechanism. The drop support component is positioned between the guide plates and the pushing plates, and the leveling mechanism is positioned between the middle guide plate and the pushing plate, used to level the drop-down guide wall. This application, by setting a drop support component between the guide plates and the pushing plates, provides suspended support for the guide wall. The synchronous leveling mechanism drives the straightening mechanism to laterally position the guide wall, accurately correcting its landing direction and position before it fully lands, ultimately ensuring accurate landing and improving installation efficiency and precision while guaranteeing safe installation.

The utility model provides a kind of steel structure building installation positioning device, belong to steel structure building construction technical field.The device structure is ingenious, and it is good to guide, it is convenient to clamp, can be flexibly disassembled, it is convenient for engineering construction use.The electric hoist of the device is fixedly installed on the one side board surface of fixed plate, and a plurality of fixed length's pull cable are fixedly connected on the other side board surface of fixed plate, the free end of each fixed length's pull cable is fixedly bolted screw rod, the drum of electric hoist is wound pull cable, and the free end of pull cable on electric hoist is scattered into multiple strands, and the free end end of each pull cable is fixedly bolted clamping assembly.The device clamps more stable, and the pulling capacity is stronger, and the guiding stability is high, and the alignment accuracy is high, and the assembly construction safety is improved.

This invention discloses a cyclic assembly method for high-tower construction, belonging to the field of high-rise structure assembly construction technology, including the following steps: S1, ground foundation treatment; S2, tower base erection; S3, positioning fixture installation; S4, first round of three-section component assembly; S5, first round of three-section accuracy inspection; S6, first round of shipment and benchmark retention; S7, subsequent cyclic progressive assembly. This invention adopts a cyclic assembly mode of assembling three sections, shipping two sections, and retaining one section, fundamentally avoiding the defects of axial offset and verticality deviation accumulation caused by traditional methods. Combined with high-precision positioning and full-process inspection and correction, the assembly accuracy meets the design requirements throughout the process. The cyclic progressive assembly process of this invention significantly shortens the waiting time and labor input, thoroughly improves the problems of low construction efficiency and difficulty in controlling the construction period of traditional methods, and is suitable for assembly scenarios with small sites and limited construction space, reducing hoisting impact and transportation safety hazards.

This invention discloses a method for position adjustment and temporary fixing of cantilever steel crossbeams in cable towers, aiming to solve the drawbacks of existing cable tower steel crossbeam scaffolding methods, such as high resource investment, long construction period, and high cost. This method is based on a position adjustment device and a temporary fixing device: the position adjustment device uses corresponding specifications of lifting lugs and adjustment plates on the top plate of the steel crossbeam segment, combined with a chain hoist, to achieve precise fine-tuning and positioning of the segment in the transverse and longitudinal directions; the temporary fixing device uses top plate hangers, bottom plate positioning components, and web plate positioning components at corresponding positions on the segment, and uses 8.8 grade M24 bolts to achieve real-time locking of the entire cross section of the segment. A full penetration welding process and standardized quality inspection procedures ensure construction quality. This invention achieves scaffold-free installation of cable tower steel crossbeams, significantly reducing construction period, lowering overall costs, improving assembly accuracy and construction safety, adapting to various complex construction scenarios, and can be widely applied to the cantilever assembly construction of bridge cable tower steel crossbeams.

This invention discloses a rapid positioning welding jig for spherical nodes in a space frame and its usage method, relating to the field of welded spherical space frame assembly construction technology. It includes a welding base, a member positioning device, an adjustable base for the support rod, a member support rod, and a top support. The welding base is used to place the welded sphere. The member positioning device is sleeved on the welded sphere to achieve precise layout of the contact position between the member and the welded sphere. The adjustable base for the support rod is arranged around the welding base, and the member support rod is installed on the adjustable base. The top support is hinged to the top of the member support rod to support one end of the member. The other end of the member is welded and fixed to the welded sphere. The rapid positioning welding jig for spherical nodes in a space frame provided by this invention and its usage method solve the problems of difficulty in ensuring positioning accuracy, cumbersome installation and dismantling of fixing devices, difficulty in moving them, high construction safety risks, and difficulty in controlling welding deformation in the prior art.

The application discloses a hollow sandwich double-steel-pipe ultra-high performance concrete column and a manufacturing method thereof, and belongs to the technical field of engineering structures. The hollow sandwich double-steel-pipe ultra-high performance concrete column comprises an outer high-strength steel pipe, the inner side of the outer high-strength steel pipe being provided with a polyurea coating; a connecting piece one provided with a through hole one is fixed to the inner side of the outer high-strength steel pipe; a connecting piece two provided with a through hole two is fixed to the outer side of an inner high-strength steel pipe; a single steel bar is simultaneously inserted into the through hole one and the through hole two arranged coaxially; and ultra-high performance concrete is filled between the outer high-strength steel pipe and the inner high-strength steel pipe. The hollow sandwich double-steel-pipe ultra-high performance concrete column has the advantages of light overall self weight, excellent axial compression performance, excellent rockfall impact resistance, excellent seismic toughness and excellent anti-collapse performance, can realize modular assembly construction, and can realize efficient combination of the inner high-strength steel pipe, the outer high-strength steel pipe, the ultra-high performance concrete and the steel bar, and the ultra-high performance concrete is not prone to bonding failure and interface separation with the outer high-strength steel pipe and the inner high-strength steel pipe.

The present application relates to a kind of AGV carrying type modular template automatic assembly construction methods, comprising: precast beam template module, roof template module and side wall template module;AGV trolley carries each template module to design position, establishes detachable power and control connection, drives the drive mechanism on template module by the power provided by AGV, so that forming panel is automatically positioned;Adjacent template module is mutually rigidly locked to form integral template support system;Pouring concrete;After concrete reaches the strength of form removal, AGV trolley is connected with each template module again, and reverse drive makes forming panel separate from concrete surface, and each template module is transferred.The present application realizes the automatic transport, butt joint, positioning and form removal of template module by AGV as mobile intelligent power source, replaces traditional full-frame scaffold, with high construction efficiency, less labor input, strong versatility, high adaptability.

This invention relates to the field of elevator shaft assembly technology, specifically to an overall assembly construction process for a modular steel structure elevator shaft, including a supporting load-bearing structure, a first assembly structure, a second assembly structure, and connecting uprights. Through the structural arrangement of the supporting load-bearing structure, the bottom load is fixed, and the annular support component and the central vibration damping component are fixed to achieve high stability support. The first and second annular support frames within the annular support component are fixed for annular support, and the guide support frame is connected and fixed to the first and second assembly structures via first connecting bolts. The buffer platform provides cushioning protection, and the vibration damping platform also provides cushioning protection. The side uprights are fixed to the second annular support frame via third connecting bolts, achieving efficient support for the annular support component and the central vibration damping component, thereby achieving efficient bottom load-bearing and simultaneously possessing energy absorption function for efficient cushioning.

The application discloses a kind of for floor edge position construction column's assembly template and construction method, wherein template includes L type inside template, two respectively with L type inside template two sides connection outside template, two outside template plug-in, L type inside template is set on lower floor by two fixed frame, L type inside template upper end is provided with the grouting mouth of connecting a grouting hopper.The beneficial effects of the present application are: the present application is connected by template assembly, without erecting floor or cantilever scaffold, can simply and conveniently install good construction column concrete assembly template in floor, solve the problem that construction column is difficult to construct after removing external scaffold;When template assembly construction, the safety of construction personnel is improved by the fixed frame in template, and the problem of accidental falling during template installation is avoided, which also provides fixed support for the construction column template to improve its stability;Template installation and disassembly are simple, can be recycled, and are practical.

This invention discloses a rapid prefabricated construction method for co-construction of rainwater and sewage pipelines in the same trench. The method includes: determining the co-construction route for rainwater and sewage pipelines in the same trench, and dividing the construction into sections based on the modular support length of pre-assembled box-type support units; after excavating the current construction section to the design elevation, hoisting the pre-assembled box-type support units as a whole into the trench to maintain trench working space; performing foundation treatment within the trench working space, and hoisting and positioning prefabricated rainwater pipe sections and prefabricated sewage pipe sections with integrated prefabricated support bases; connecting adjacent prefabricated sewage pipe sections with sockets, forming a composite interface seal through internal and external sealing components; backfilling while the support units are still in place, and after the backfill meets the conditions for support removal, hoisting the support units as a whole and transporting them to the next construction section for cyclical construction. This invention can shorten trench exposure time and improve construction safety and interface sealing stability.

The utility model provides a kind of collapsible building assembly construction with leveling device. The leveling device includes a first support plate and a second support plate. The first support plate is rotatably connected to the second support plate through a pivot. The first support plate and the second support plate each have a leveling mechanism installed at the lower end. The leveling mechanism includes multiple support springs and two connecting plates. When in use, the connecting plates and the buffer pads at the lower end are in contact with the construction plane. Then, the driving motor is controlled to rotate, driving the corresponding connecting rods and eccentric shafts to rotate. This causes the device to vibrate. The force generated by the vibration makes the connecting plates and the buffer pads continuously hit the construction plane while continuously moving the device horizontally. This performs the leveling work on the construction plane. The force generated by the vibration eliminates the need for the construction personnel to apply pressure to the device towards the construction plane, making the use more convenient.

The utility model discloses a kind of liaison passage segmental assembly construction systems, liaison passage segmental assembly construction system includes tunneling device, propelling device and material conveying device, tunneling device includes water mill drill and center rotary drive, multiple water mill drills are arranged on first support, center rotary drive is connected with first support transmission, propelling device includes propelling piece, support frame, block shell and lateral support, lateral support is arranged on main beam, propelling piece is arranged on support frame, block shell is abutted with tunnel inner wall, block shell is connected with main beam, material conveying device includes segmental assembly machine, material crane, hoist and ship type board, segmental assembly machine is connected with the second end of main beam, material crane is adjacent to the main tunnel of tunnel, hoist is arranged on the support of main tunnel and is connected with ship type board transmission.The liaison passage segmental assembly construction system provided by the utility model has the advantages of convenient installation in the hole and high construction efficiency.

The application discloses a frame support type daylighting roof assembly connection system and a construction method, which splits the original bracket structure into support bases, middle connecting pieces, keels, transverse keel lap joints and the like unit forms, can be processed and welded in a factory, can be hoisted and installed during construction, realizes assembly installation, improves work efficiency, reduces labor cost and construction time, and can accurately adjust the height of each bracket and accurately control the inclination angle of the daylighting roof at different positions according to different modeling requirements, so as to meet various complex modeling requirements, especially for the arc-shaped daylighting roof, the size can be accurately controlled, and the modeling deviation can be avoided. In addition, the middle section of the bracket is cut off, the annular waterproof structure is arranged between the middle connecting piece and the support base, the assembly construction requirement of the daylighting roof is met, and efficient waterproof and anti-seepage on the circular pipe are realized.

The utility model discloses a crown beam, specifically relates to the technical field of foundation pit maintenance, through setting up bottom plate, partition and precast beam, the jack plug for installing the external steel sheet pile is formed on the bottom plate, the steel sheet pile is inserted in the jack plug, the partition is installed on the top of bottom plate, the top of precast beam forms and pours the groove, and the reinforcement cage is placed in the pouring groove, and the pouring groove can pour the concrete to form the crown beam, so that the utility model discloses when using through adopting the method of assembly type construction, realizes the assembly construction of crown beam, and ensures the construction efficiency of crown beam.

This utility model discloses a mobile safety net device for high-altitude bulk assembly construction of space frames, relating to the field of space frame construction technology. Specifically, it is a mobile safety net device for high-altitude bulk assembly construction of space frames, comprising two main steel cables. A sliding rail is fitted onto the surface of the two main steel cables. Multiple steel cable hooks are fixedly connected to one side of the sliding rails. A net-shaped steel cable is inserted into the interior of each of the multiple steel cable hooks. A lifting ring is fitted onto the surface of the net-shaped steel cable, and a safety net is connected to the net-shaped steel cable through the lifting ring. In use, the space frames at both ends are connected by the main steel cables to form two high-altitude cableways. The device slides along the main steel cables, and the safety net installed inside the net-shaped steel cable supports the construction personnel, facilitating rapid movement and construction work at height. Furthermore, the device is flexible in its arrangement and can be moved according to the assembly work surface, ensuring operational safety and reducing the risk of personnel falling.

This invention discloses an assembly and construction method for a lightweight wall panel steel structure installation frame, applicable to the installation of lightweight wall panels within a steel structure. The method first establishes a wall panel installation baseline based on the measured positions of the upper steel beams, lower bearing foundation, and steel columns, and divides the area into a fixed stress zone, an adjustable compensation zone, and a deformation release zone. Then, an upper reference beam, lower support beam, lateral edge columns, and intermediate transition columns are installed to form several frame installation units. Subsequently, floating support components, lateral clamping components, upper guide components, linkage adjustment components, and release limit components are set within each frame installation unit. After the lightweight wall panels are pre-installed into the frame installation unit, the linkage adjustment components simultaneously complete wall panel elevation adjustment, lateral correction clamping, verticality correction, and joint width setting. Afterwards, rigid locking, adjustable locking, and limit-type sliding locking are applied to different zones, followed by segmented joint sealing. This invention improves the assembly accuracy and construction efficiency of lightweight wall panels in steel structures and reduces the risk of later deformation and cracking.