31results about How to "Speed ​​up the schedule" patented technology

The invention discloses a method for manufacturing large bent steel members on the basis of fire bending and belongs to the technical field of pipeline machining. The method comprises the step of construction preparation, wherein quality detection and algorithm quantification are carried out on reel pipes; the step of reel pipe marking, wherein the reel pipes are supported by a reel pipe supporting device, and heating areas are marked on the reel pipes; the step of fire bending, the heating areas marked well are bent along the zigzag path, and the time duration for bending is decided according to colors generated when the reel pipes are heated; the step of cooling detection, wherein after the reel pipes are cooled, whether the distance between the lower bottoms of the bent reel pipes and the upper end of a detection board is within 3 mm or not is detected, and the reel pipes are qualified if the distance is within 3 mm; the step of secondary processing, wherein when deviation between the actual reel pipe bending chord height H1 and the theoretical reel pipe bending chord height H is large, adjustment is carried out through a gas welding baking handle; the step of reel pipe splicing, wherein the reel pipes reaching the bending standard are welded through a structural steel platform. The method solves the problem that a large instrument is needed when the large bent steel members are manufactured, and no external force needs to be applied.

The invention discloses a one-truss steel bar floor support plate with a disassembly-free bottom form. The one-truss steel bar floor support plate is characterized by being formed by combining the disassembly-free bottom form, capital-omega-shaped material connecting pieces, self-tapping screws, lower chord longitudinal steel bars in a one-truss steel bar structure, upper chord longitudinal steel bars and web member wave-shaped steel bars with bent feet. According to the one-truss steel bar floor support plate with the disassembly-free bottom form, the longitudinally-arranged steel bars are single steel bar trusses, compared with triangular steel bar trusses in a steel bar truss floor support plate with a metal bottom form, due to the fact that the number of the lower chord longitudinal steel bars and the number of the web member steel bars used in each truss are both one smaller than the number of the steel bars used in the steel bar truss floor support plate with the metal bottom form, the steel content is greatly reduced, the steel content is closest to that of a traditional cast-in-place slab system, and the bottom of the disassembly-free bottom form can be directly subjected to puttying decoration; and according to the one-truss steel bar floor support plate with the disassembly-free bottom form, the cost is saved for a construction side, the fast turnover target is achieved, the workload of deepening design is saved for a design side, the construction progress is accelerated for the construction side, the construction quality is better controlled, and the productivity is completely released for a component producer, so that all project participants obtain respective benefits.

The invention discloses a manufacturing tool of a bracket at the lower end of an inclined support of a supporting structure of a foundation pit. The manufacturing tool comprises four side templates (1) and a bottom template (6), and through holes (8) allowing anchor bars to penetrate through are formed in the bottom template (6). The invention further discloses a bracket manufactured with the manufacturing tool. The bracket comprises a hanging ring and a plurality of anchor bars, wherein the anchor bars are anchored in a concrete block, and the lower ends of the anchor bars extend out of the concrete block. The invention further discloses a construction method of the bracket at the lower end of the inclined support of the supporting structure of the foundation pit. The core step of the method is as follows: a plurality of concrete brackets are prefabricated, and then, the plurality of well prefabricated brackets are hung to the bottom of the foundation pit by the hanging ring. According to the bracket, the manufacturing tool and the construction method, the cost is reduced, and the construction period is shortened.

The invention relates to a construction method of a long-span and super-thick tunnel second lining structure. The construction method comprises the following steps that a tunnel second lining structure to be constructed is divided into a first subsection, a second subsection and a third subsection; the first subsection is constructed, a supporting system is arranged on an inverted arch of a tunnelto support first formworks, and pouring is carried out to form a first side wall structure; the second subsection is constructed, the supporting system is heightened to support second formworks, andpouring is carried out to form a second side wall structure connected with the first side wall structure; and the third subsection is constructed, a top bracing system is arranged on the inverted archof the tunnel, the top bracing system is connected with the second side wall structure in a top-bracing mode, third formworks are supported by the top bracing system, and pouring is carried out to form a top arch structure connected with the second side wall structure, so that the construction of the tunnel second lining structure is completed. According to the construction method of the long-span and super-thick tunnel second lining structure, step-by-step flow process and different formwork supporting systems are adopted, the problem of large difficulty and high dangerousness of the whole construction of the large-span and super-thick secondary lining structure is solved, and the construction schedule is speeded up.

The invention discloses a steel structure foundation embedded bolt structure and a construction method thereof. The steel structure foundation embedded bolt structure comprises a positioning plate, wherein a plurality of positioning drilling holes allowing embedded parts to penetrate through are formed in the positioning plate; the embedded parts are fixedly connected on the positioning plate; a plurality of connecting steel bars are fixedly connected among the embedded parts; and the embedded parts and the connecting steel bars form an integral embedded part structure. According to the construction method, the construction manufacturing and installation of the steel structure foundation embedded bolt structure are achieved, the whole embedded part structure can be independently manufactured, the integrity is good, the processing can be carried out at any time, the construction speed is high, and the construction method cannot be limited by sites, and cannot be affected by the construction steps and the construction progress on a bearing platform. The embedded bolt structure can be quickly installed after binding with steel bars at the bottom of the bearing platform, the construction period cannot be affected, and the construction period process is favorably accelerated.

The invention discloses a subway environmental control machine room fabricated electromechanical construction method based on a BIM technology. The method comprises the steps of obtaining a BIM model on a 3D laser scanning site, comprehensively optimizing an electromechanical system model, performing die assembly through various professional models, completing basic model optimization and prefabricating a processing part, through a material statistics function of BIM software, generating required processing part materials and processing styles, carrying out prefabrication processing, using a robot to accurately locate parts, and using a BIM lofting robot to carry out traditional operation modes on a plurality of professional projects at the same time on site. According to the invention, the working efficiency of equipment installation and system debugging is greatly improved, the labor cost, the machine tool use cost, the material cost, the management cost and the like are reduced, the budget control capability is greatly improved, the quality is improved, the rework is greatly reduced, the engineering quality is improved, the safety is improved, problems are predicted in advance, dangerous factors are reduced, the working efficiency is greatly improved, and the disassembly and modification workload is reduced.

The invention discloses a modular steel bar truss floor support plate. The modular steel bar truss floor support plate is characterized by comprising a prefabricated bottom plate, self-tapping screws or rivets, a galvanized steel sheet, lower chord longitudinal steel bars, upper chord longitudinal steel bars, web member wave-shaped steel bars and upper chord transverse short bars. Steel bars matched with the modular steel bar truss floor support plate are in-line single-truss steel bar trusses, the steel content is less, the bottom is flat, and putty can be directly scraped for decoration. According to the modular steel bar truss floor support plate, the cost is saved for a construction party, the purpose of fast turnover is achieved, the workload of deepening design is saved for a design party, the construction progress is accelerated for the construction party, the construction quality is better controlled, the capacity is completely released for a component production party, and therefore all parties involved in a project can obtain respective benefits.

The invention discloses a waterproof construction method for the outer corner of the bottom plate of an urban underground comprehensive pipe gallery. The method comprises the following steps: first, applying a waterproof structure to the bottom plate; step two, laying a silicone oil paper layer; step three, applying a mortar isolation layer; And carry out the main construction; step 5, remove part of the mortar isolation layer and smooth the chamfer; step 6, apply the outer waterproof layer and waterproof reinforcement layer; step 7, pour the outer waterproof protective layer of the bottom plate and paste the side wall protective layer. In the present invention, a silicone oil paper layer and a mortar isolation layer are laid between the bottom plate waterproof structure and the bottom plate protective layer, and the combined structure of the silicone oil paper layer and the mortar isolation layer is used to complete the bottom waterproof construction of the base of the underground comprehensive pipe gallery. Then, in the construction process of the main structure, the base plate waterproof layer at the lap joint of the base plate's outer corner is protected from damage during the main body construction process, which ensures the waterproof quality of the base plate's outer corner.

The invention discloses a construction method for an anti-floating anchor. The anchor is constructed before the excavation of the foundation pit, and a reinforcement part is formed in the soil around the upper part of the anchor by high-pressure rotary spraying to ensure the excavation of the foundation pit. , the anchor does not deflect. In addition, the pre-construction of the anti-floating anchor of the present invention can be synchronized with the construction and maintenance of the pile foundation, and no additional construction period is required, which is beneficial to speed up the progress of the construction period; the anti-floating anchor of the present invention can be carried out before excavation of the foundation pit Construction, there is no problem that the soil quality at the bottom of the foundation pit is poor, and the working face after excavation is not conducive to mechanical construction; the present invention adopts the method of high-pressure rotary spraying, and carries out partial cement soil reinforcement below the designed excavation bottom surface, and the anchor rod itself and The stability of the entire foundation pit, especially the soft soil foundation pit, plays a strengthening role.

The invention relates to a construction method for a large-span and ultra-thick tunnel secondary lining structure, comprising the following steps: dividing the tunnel secondary lining structure to be constructed into a first section, a second section and a third section; In subsections, a support system is set on the invert of the tunnel to support the first formwork, and the first side wall structure is formed by pouring; in the second subsection, the support system is heightened to support the second formwork, and poured to form a structure similar to that of the first side wall. The second side wall structure connected with the side wall structure; in the third construction section, a top bracing system is set on the invert of the tunnel, and the top bracing system is connected with the top bracing of the second side wall structure, and the first side wall structure is supported by the top bracing system. Three formworks were poured to form the top arch structure connected with the second side wall structure, thus completing the construction of the second lining structure of the tunnel. The invention adopts step-by-step flow operation and different formwork support systems, which solves the problems of difficulty and high risk in the overall construction of the large-span and super-thick secondary lining structure, and speeds up the progress of the construction period.

The invention relates to a manufacturing process of an inner liner with an oval seal head, which comprises the following steps: S1, manufacturing an inner liner cover, which includes S11, marking theinner surface of the seal head into N equal parts, S12, drawing an outer edge trace line of the inner liner cover on the inner surface of the seal head, S13, measuring the arc size and the width sideL of the marked dividing area, S14, making one piece of watermelon petal inner liner cover sample, S15, making the remaining N-1 piece of watermelon petals inner liner cover samples, and S16, assemblywelding N pieces equal divided watermelon petal inner liner cover samples; S2, manufacturing an inner liner cone; S3, manufacturing an inner liner cylinder body and S4, assembling an oval seal head inner liner. The manufacturing process of the inner liner with an oval seal head adopts the rolling and forming of the plate bending machine, is not limited by the size of the diameter of the seal head, is convenient to manufacture, accelerates the construction period, saves the cost and has high assembly precision; the inner liner of the oval seal head has an anti-wear effect on a pressure container, and effectively prolongs the service life of the pressure container.

The embodiment of the invention provides a software installation method and system, belonging to the computer technical field. The method comprises the following steps of: displaying a plurality of software information to be installed; acquiring at least one installation file of at least one software to be installed selected by a user from the plurality of software to be installed information; executing at least one installation file to realize installation of the at least one to-be-installed software. Through displaying a plurality of software information to be installed, the user selects from the plurality of software information to be installed, thereby acquiring at least one installation file of at least one software to be installed selected by the user, and finally the at least one installation file is executed to realize the installation of the at least one software to be installed. Further, at least one software to be installed can be installed at one time by that user, and theuser can install multiple softwares and the time progress of the installation is accelerated.

The invention discloses an underground backfill material suitable for karst regions and a preparation method of the underground backfill material. The underground backfill material comprises the following raw materials in percentage by mass: 80%-90% of a base material, 10%-20% of a water permeable material, 1%-5% of an adhesive and 1%-5% of a retarder, wherein the adhesive is sodium silicate. Thebackfill material mainly solves the problem that underground water is difficult to treat in karst regions, can overcome the problem that a conventional backfill material sinks and can be effectively improved tin heat conduction effect through the water absorption and release effects of external special materials; the selected backfill material in the invention enables shallow low-temperature energy to be effectively utilized and stored; in addition, the backfill material enables an early-stage drilling disposal rate to be greatly reduced, project progress to be accelerated and late-stage maintenance cost to be low, and therefore, the utilization and popularization strength of shallow geothermal energy is improved.

The invention discloses a pattern brick sticking construction method for an accessible roof. The pattern brick sticking construction method for the accessible roof comprises: base layer cleanup, insulating layer laying, slope making layer construction, cement mortar leveling layer construction, waterproof layer construction, protective layer construction, grille screen electronic map drawing, roof field lofting, and face brick laying. Compared with a fixed-point lofting brick-sticking roof of a common total station, the pattern brick sticking construction method for the accessible roof has the advantages that a grille screen method is refined, so a brick sticking worker can cut each brick visibly, the situation of more scraps during cutting is avoided, the brick sticking efficiency is improved, and the brick sticking loss is reduced. The project progress is accelerated while the construction procedure is simplified; meanwhile, construction waste is reduced, environment protection is facilitated, and social benefits are better.

The invention relates to the field of harmonic reducers and particularly relates to a method for improving banded structures of raw materials of flexible wheels. The method is used for improving materials with severe banded structures in the raw materials of flexible wheels through processes of free forging, primary isothermal normalizing and secondary isothermal normalizing. The method specifically comprises the following steps: a, screening the materials with severe banded structures; b, heating the screened materials; c, freely forging the materials; d, putting the materials into a heatingfurnace, heating for a first time and keeping temperature; e, cooling the furnace to 650 DEG C and keeping the temperature; f, taking the materials out and cooling the materials to normal temperaturein the air; g, putting the materials into the heating furnace and heating for a second time; h, cooling the furnace to 650 DEG C and keeping the temperature; and I, taking the materials out and cooling the materials to normal temperature in the air. Through the method, the banded structures are improved; the time progress is accelerated; the time waste caused by returning materials and replacing goods is avoided; the processes of free forging and isothermal normalizing are low in costs; compared with a process of diffusion annealing, the processing cost is greatly reduced.

The invention discloses a manufacturing tool of a bracket at the lower end of an inclined support of a supporting structure of a foundation pit. The manufacturing tool comprises four side templates (1) and a bottom template (6), and through holes (8) allowing anchor bars to penetrate through are formed in the bottom template (6). The invention further discloses a bracket manufactured with the manufacturing tool. The bracket comprises a hanging ring and a plurality of anchor bars, wherein the anchor bars are anchored in a concrete block, and the lower ends of the anchor bars extend out of the concrete block. The invention further discloses a construction method of the bracket at the lower end of the inclined support of the supporting structure of the foundation pit. The core step of the method is as follows: a plurality of concrete brackets are prefabricated, and then, the plurality of well prefabricated brackets are hung to the bottom of the foundation pit by the hanging ring. According to the bracket, the manufacturing tool and the construction method, the cost is reduced, and the construction period is shortened.

The invention provides an unmanned aerial vehicle-mounted universal electrical adapter device, a task system and an unmanned aerial vehicle, and the device comprises a power supply input port which is connected with an unmanned aerial vehicle power supply system; the power supply output port is connected with the unmanned aerial vehicle load equipment; the power supply input port, the current-carrying controller, the node current unit array, the power supply output port and the bus bar are connected in sequence, the current-carrying controller is arranged between the power supply input port and the node current unit array, and the node current unit array is arranged between the current-carrying controller and the node current unit array. The node current unit array comprises a plurality of node current units which are sequentially arranged in parallel, and the current-carrying controller is used for selecting a set number of node current units from the plurality of node current units according to the electric quantity required by the unmanned aerial vehicle load equipment for connection operation. According to the technical scheme, the technical problems that in the prior art, the safety risk of the whole machine is increased and the cost is increased due to the fact that loading equipment is reloaded on an unmanned aerial vehicle task system are solved.

The invention relates to a battery module structure and an assembly method. The battery module structuredevice comprises an upper cover plate, a lower cover plate and a module., th The module comprises a plurality of single modules which are regularly arranged between an the upper cover plate and a the lower cover plate, each single module comprises a bracket support and a battery cell mounted inthe bracketsupport; the upper and lower end faces of the support abut against the upper cover plate and the lower cover plate respectively. Limiting fixing grooves are formed in the four corners of the upper end face of the support. Every two adjacent single modules located on the outer side edge of the module are connected through a side edge connecting piece. Three adjacent single modules located at the corners of the outer side edges of the module are connected through corner connecting pieces. Four adjacent single modules in the module are connected through an inner connecting piece; according to the design, a. A modular structure is adopted, the composition form of the module, standardized battery monomer blocks and accessories of the standardized battery monomer blocks can be flexibly configured, the design period can be shortened, the project time schedule can be accelerated, the cost can be greatly reduced, the interchangeability of stiff parts between projects can be enhanced,and unnecessary waste of the parts can be reduced.

The invention provides multi-layer functional corrosion-resistant concrete. The multi-layer functional corrosion-resistant concrete comprises a core concrete structure, a core steel structure, connectors with steel sleeves, welded steel fabric and a surface layer concrete structure. The core steel structure is arranged inside the core concrete structure, the welded steel fabric is arranged inside the surface layer concrete structure, and the core steel structure is connected with the welded steel fabric through the connectors with the steel sleeves. The invention further relates to a mechanical connecting method of the multi-layer functional corrosion-resistant concrete. The core steel structure and the welded steel fabric structure on the surface layer are connected through the connectors, the steel sleeves and deformed steel bars. According to the invention, the requirement for the service strength of marine facilities can be met, the high corrosion resistance is achieved, and therefore oceanic building concrete can have the longer service life. The multi-layer functional corrosion-resistant concrete and the mechanical connecting method of the multi-layer functional corrosion-resistant concrete have the advantages of being high in practicability and functionality.

The invention discloses an anti-unlocking cable-membrane connection structure and construction method of a large-opening cable dome structure. The structure includes a twist connection assembly, a support column (2) and a gutter assembly; the gutter assembly is installed on the support column (2). At the top, one end of the membrane structure (5) is sealed and installed in the gutter assembly; one end of the torsion connection assembly is fixedly installed on the main cable, and the other end of the torsion connection assembly is provided with a rotating part (11), and the cable dome main cable (4) 1. The bottom of the support column (2) and the other end of the twist connection assembly are rotatably connected through a rotating member (11), so that the membrane structure installed on the support column (2) and the main cable can rotate relatively. The invention uses the main cable network of the cable dome structure as the main force-bearing member of the membrane structure, and avoids the risk of unlocking through the rotatable hinged joints, so as to ensure that the cable dome structure and the ETFE membrane structure meet both structural safety and architectural use functions, ensuring The overall cable dome structure is beautiful.

The invention relates to a method and system for integral lifting of an asymmetric inner ring truss and a cable dome. The method includes: assembling the inner ring truss and the cable dome, connecting the cable dome and the inner ring truss; The positions to be installed of the trusses are arranged at intervals and fixed on the ground, and multiple lifting frames are connected to each other; multiple lifters are fixed on the top of the corresponding lifting frames, and multiple lifters are connected to the inner ring truss correspondingly; multiple The tractor is fixed on the top of the corresponding lifting frame, and multiple tractors are connected to the cable dome correspondingly; multiple lifters are used to lift the inner ring truss horizontally upwards, and multiple tractors are used to tension the inner ring truss during the process of lifting the inner ring truss The cable dome is radially pulled by the tractor, so that the horizontal force is applied to the inner ring truss through the cable dome to control the horizontal displacement of the inner ring truss; alternately lift the inner ring truss and tension the cable dome until the inner ring truss reaches the design elevation .