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105results about How to "Improve construction quality" patented technology
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Large-span steel structure and integrated construction method of metal roof thereof
ActiveCN117432080Bhigh implementabilityEliminate excessive deformationLarge deformationMechanical engineering
The application discloses a large-span steel structure and a metal roof integrated construction method thereof, and mainly comprises the following steps: (1) arranging assembling jigs and fulcrums at boundary positions on an assembling operation surface according to the construction partition, design boundary and assembling requirement of the large-span steel structure; (2) completing the assembling construction of the large-span steel structure on the assembling jigs; (3) reserving part of the assembling jig fulcrums near the original support boundary of the large-span steel structure and unloading the rest of the assembling jig fulcrums; (4) completing the metal roof system installation operation on the unloaded steel structure; (5) installing corresponding lifting or hoisting construction measures; (6) integrally lifting or hoisting and positioning; (7) fixing the large-span steel structure and the metal roof on a supporting structure; and (8) integrally unloading and completing the construction. The application solves the defects of the existing steel structure and metal roof integrated construction, can avoid the excessive deformation of the metal roof in the integrated construction process, is safe and controllable, and significantly improves the construction quality.
Owner:ZHEJIANG JINGGONG STEEL BUILDING GRP
A disc buckle node structure
ActiveCN224281946UTo achieve a fixed connectionlower requirementScaffold connectionsCircular discPhysics
This utility model provides a disc-lock node structure, which includes: a horizontal support frame; a vertical fastener disposed on the horizontal support frame, with its end connected to the end of the horizontal support frame to form an inverted L-shaped structure; and a clamping lock disposed on the horizontal support frame in a position-adjustable manner along its length. This utility model allows the clamping lock to move towards the vertical fastener, enabling both the clamping lock and the vertical fastener to be inserted into the connecting hole of the connecting disc and the fixing hole of the member to be fixed, and to move away from the vertical fastener, so that the clamping lock and the vertical fastener can respectively abut against the inner wall of the fixing hole along the radial direction of the fixing hole and the connecting hole, thus securing the clamping lock to the member to be fixed and achieving a fixed connection between the connecting disc and the member to be fixed.
Owner:CHINA MCC 2 GRP CO LTD
A prefabricated railway beam three-wall synchronous construction measurement method
PendingCN122429773AImprove embedded precisionImprove construction qualityRebarMechanical engineering
The application discloses a prefabricated railway beam three-wall synchronous line-under construction measurement method, a bk field inner reference net point layout, a beam bottom embedded plate hole group center measurement in a beam manufacturing area, a beam manufacturing area central axis point position calculation, a beam manufacturing area coordinate conversion, a beam manufacturing area three-wall steel bar boundary line lofting, a beam manufacturing area beam top matching point accurate lofting, a stored beam area accurate measurement matching point, a stored beam area central axis point position calculation, a stored beam area coordinate conversion, a stored beam area three-wall contour line lofting and template checking, a three-wall completion line shape measurement, and prefabricated beam erection control.
Owner:CCCC SHEC FOURTH ENG +1
Prefabricated concrete composite floor structure
The utility model provides a kind of assembled concrete composite floor structure, it is related to concrete composite floor technical field, including: prefabricated slab and concrete cast-in-place layer, the prefabricated slab upper end is poured with concrete cast-in-place layer, the prefabricated slab left and right side end is symmetrically provided with first component and second component, the first component and second component side end face are provided with filling cavity, the filling cavity is injected with anti-seepage filler layer, the first component and second component are fixed with the side end face of prefabricated slab by anti-seepage filler layer and are bonded, the first component and second component side end are correspondingly spliced by arc splicing surface each other, the prefabricated slab upper surface is combined with concrete cast-in-place layer by polypropylene fiber web.The utility model solves the problem that the concrete layer poured on the existing prefabricated slab is easy to seep from joint and affect the construction quality of composite floor.
Owner:中交投资南京有限公司
Steel box-core concrete combined cable tower construction method
ActiveCN117344647BGuarantee the construction qualityImprove construction efficiencyArchitectural engineeringRebar
The application discloses a kind of steel box-core concrete combined cable tower construction methods, comprising the following steps: S1, the steel structure shell of steel-concrete combined section is divided into multiple steel tower blocks along vertical direction;Standard section is divided into core block and the side block of two sides;S2, hoist first section steel tower block, after installing formwork and reinforcement in steel tower block, fill concrete;S3, repeat the step S2 until the construction of steel-concrete combined section is completed;S4, hoist the core block of first section standard section on steel-concrete combined section, then hoist the side block of two sides in turn;After hoisting is completed, horizontal weld between core block, vertical weld between core block and the side block of two sides, horizontal weld between section are welded in turn;S5, after installing reinforcement in core block, pour concrete;S6, repeat the step S4-S5 until the construction of all remaining standard sections is completed.The application gives a complete and efficient steel box-core concrete combined cable tower construction method, which effectively guarantees the construction quality of cable tower.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD +1
Formwork for station interior column enlarging construction
The utility model provides a kind of formwork for station internal stand column diameter expansion construction, including steel hoop assembly and wooden formwork assembly;The wooden formwork assembly includes two semicircular templates, and two semicircular templates are formed into a whole circle by surrounding and splicing;The template includes melamine board layer, plywood layer, support batten layer and assembled batten layer from inside to outside in turn;The melamine board layer and plywood layer are fixed by adhesive method, for making the template inner surface even;The support batten layer is arranged around the outer periphery of the plywood layer by adhesive method, for whole circle support;The assembled batten layer is wrapped outside support batten layer for constraining the overall shape of the template;The steel hoop assembly includes a pair of semicircular steel hoops arranged in pairs, a pair of semicircular steel hoops are used for locking outside wooden formwork assembly, and each steel hoop assembly is arranged equidistantly along the length direction of wooden formwork assembly.The template has the advantages of improving construction efficiency and ensuring the appearance quality after stand column diameter expansion.
Owner:SINOHYDRO BUREAU 11 CO LTD
Slab-type ballastless track base plate formwork
ActiveCN224395337Uavoid disturbancevertical straightRailway track constructionTrackwayExpansion joint
The utility model discloses a slab type ballastless track base plate formwork, including two side steel mould, the side steel mould is by base plate side mould top surface steel sheet, base plate side mould bottom surface steel sheet, base plate side mould panel and base plate side mould formwork rib plate welding composition, and the square steel of being connected between two side steel moulds, and the base plate expansion joint plug -in board of being set between two side steel moulds and being at square steel rear, the utility model discloses adopts the bolt assembly of block type steel formwork, and each base plate is by two steel moulds, and expansion joint position is disconnected with square steel and is connected two side formworks and square steel through bolt, and the expansion joint foam board is clamped between two base plate formworks with the collocation plug -in board, and this design effectively avoids the disturbance of concrete pouring and personnel trample to expansion joint, ensures that expansion joint is vertical, and linear is straight, greatly improves expansion joint construction quality, lays the foundation for track plate accurate laying, guarantees the high -quality completion of high -speed railway slab type ballastless track base plate construction.
Owner:CHINA RAILWAY 24TH BUREAU GRP BRIDGE & CONSTR CO LTD +1
Concrete troweling device
ActiveCN224413185UImprove structural strengthImprove structural rigidityArchitectural engineeringConnection design
The utility model relates to building construction equipment technical field discloses concrete trowelling device, including counterweight base, module support, retainer, drive mechanism, through slide hole, vertical lifting mechanism and board body. Adopt this structure, through drive mechanism drive module support and board body to and fro movement carries out concrete trowelling operation, greatly alleviated operator's labor intensity, improved work efficiency, board body, module support and so on spare adopt detachable connection design, can according to the length and width of room flexible adjustment device's work size, and when the spare damage is convenient to replace, reduce cost, strong adaptability, vertical lifting mechanism, the height of board body is accurately controlled, guarantees the consistency of concrete trowelling thickness, compared with artificial scraping, can make concrete surface more even, improves construction quality, and, when the device of the application carries out trowelling work, the workman can carry out operation in other room, and the overall operation efficiency is improved.
Owner:SHANXI YUANFANG ROAD & BRIDGE GROUP
Temporary fixing clamps for connecting beam-column joints in prefabricated buildings.
ActiveCN224281615UImprove construction efficiencyImprove construction qualityBuilding constructionsJoint (building)Steel plates
Owner:SHAANXI SHAANXI JIANRUI HIGH-TECH PARK CO LTD
A bolt hole sealing device for shear walls
ActiveCN224282071Uprevent leakageavoid wastingBuilding repairsArchitectural engineeringWorking environment
This application discloses a bolt hole sealing device for shear walls, relating to the field of building construction technology. A piston is inserted into the cylinder through a top opening and slides axially within the cylinder. The bottom of the cylinder is fitted onto the top surface of a plastering board. A discharge port is located at the bottom of the cylinder, and an outlet is located on the plastering board corresponding to the discharge port. An opening and closing device is provided at the outlet to control its opening and closing. Storing mortar within the cylinder effectively prevents leakage during construction, avoiding mortar waste. The plastering board is placed against the shear wall, and the piston pushes the mortar in the cylinder into the bolt hole. The opening and closing device then closes the outlet, and the plastering board compacts and smooths the mortar. Under the pressure of the piston injection and the force of the plastering board, the bolt hole is sealed tightly, preventing mortar sagging, protecting the cleanliness of the working environment, improving construction quality, and avoiding repeated construction to increase work efficiency.
Owner:中庆建设有限责任公司
Diaphragm wall construction protection device
The utility model belongs to engineering construction technical field discloses a kind of diaphragm wall construction protection devices, it protects guide wall in diaphragm wall construction process, and diaphragm wall construction protection device includes support frame and limit plate, support frame includes bottom plate and inclined plate, inclined plate is connected on bottom plate, and with bottom plate angle setting, two support frames are connected with adjusting assembly, to can make two inclined plates opposite, adjusting assembly can adjust the distance between two support frames;Limit plate is set on the side of bottom plate away from inclined plate, and limit plate is vertically arranged with bottom plate;When underground continuous wall grooving, the grab bucket of grooving machine is close to guide wall and can be blocked by inclined plate, and be guided by inclined plate, guide to between two support frames, to reduce the possibility of guide wall damage, improve the construction quality of diaphragm wall.
Owner:TENGDA CONSTR GROUP CORP
Post-cast strip formwork sealing structure
ActiveCN224281962USolve the problem of secondary waterproofing treatmentImprove construction efficiencyForms/shuttering/falseworksAuxillary members of forms/shuttering/falseworksArchitectural engineeringMesh reinforcement
This utility model discloses a formwork sealing structure for post-cast strips in construction, addressing the technical problem of insufficient construction convenience during the construction of post-cast strips in existing technologies. The two side walls of the space to be sealed have roughened surfaces and are reinforced with steel bars. The steel mesh is tied to the straight bars. The main formwork and back formwork are fixed to the walls on both sides of the space to be sealed using expansion bolts, enclosing the space to be poured. A first grouting window is set in the middle of the main formwork, and a second grouting window is set at the top. A first sealing cover plate is placed at the first grouting window, and a second sealing cover plate is placed at the second grouting window. An overflow window is set on the second sealing cover plate. After construction, this technology avoids the formation of tie bolt holes, thus solving the problem of requiring secondary waterproofing treatment at tie bolt holes in traditional construction processes. Furthermore, the construction efficiency and quality are improved through the use of this special formwork and its sealing structure.
Owner:WEIFANG ZHONGHAI XINGYE REAL ESTATE CO LTD
A cement dosage control device for cement mixing piles
ActiveCN224281245Uavoid wastingeasy to controlHollow article cleaningBulkheads/pilesClassical mechanicsElectric machinery
This utility model discloses a cement dosage control device for cement mixing piles, including a storage mechanism. The storage mechanism has a sealing mechanism at its top and a rotary motor at its bottom. The output end of the rotary motor is connected to a control mechanism. A guide pipe connecting the sealing mechanism and the control mechanism is inclinedly arranged at the bottom of the sealing mechanism. The storage mechanism includes a storage cylinder with a bottom plate at its bottom. A through hole is formed on the bottom plate, and a rotating plate is rotatably mounted on the through hole. The rotating plate is connected to the rotary motor via a bevel gear. The sealing mechanism includes a sealing plate, which is placed at the top of the storage cylinder, and a cover plate is provided at the top of the sealing plate. This utility model has the advantage of precisely controlling the cement dosage, solving the current problem of difficult cement dosage control in cement mixing piles.
Owner:中电建路桥集团有限公司
A protective, standardized waterproof membrane edge protection groove structure
ActiveCN224432065UImprove construction qualityReduce post-maintenanceArchitectural engineeringStructural engineering
This utility model belongs to the field of building engineering technology, specifically relating to a protective edge-guarding groove structure for waterproof membrane. It is used to protect the reserved edge of the waterproof membrane when it is being installed at the edge. The structure includes a folded, integrally formed protective body, comprising an upper protective sheet and a lower protective sheet. A groove is formed between the upper and lower protective sheets to accommodate the reserved edge of the waterproof membrane. The two ends of the two protective bodies can be spliced together to form a whole. By inserting the reserved edge of the waterproof membrane into the groove inside the protective body when it is installed at the edge, the structure effectively protects the waterproof membrane from damage, aging, and contamination during construction, significantly reducing the risk of water seepage, improving the quality of waterproofing construction, and reducing subsequent maintenance and rework costs.
Owner:ANHUI WATER RESOURCES DEV
A building construction vibrator
The utility model provides a kind of building construction vibrator belongs to construction device technical field. Including equipment main body, the upper surface of equipment main body is inserted with handle, the side of equipment main body is inserted with fan, filter plate, hose and adjusting plate. The utility model through setting construction personnel holds handle, the vibration of equipment main body is conducted to vibrating rod on through hose, into the concrete in vibrating rod, start vibrating, bubble in concrete is vibrated, make the concrete that is poured more compact and dense, there is no bubble residue, when in the edge of pouring and there is shelf, by unscrewing moving bolt, make adjusting plate move to suitable position in fixed seat, make moving half ring and fixed half ring open to encase shelf, make equipment main body rotate down and be fixed on shelf, construction personnel carries out concrete vibration, reaches equipment can be suitable for the use of different environment, saves manpower and material resources, construction personnel uses more labor-saving, improves construction efficiency.
Owner:GUANGDONG AIRPORT CONSTR CO LTD
A prefabricated soundproof ceiling system
This utility model discloses a prefabricated soundproof ceiling system, including several hangers connected to the building floor slab. The lower ends of the hangers are connected to main keel hangers via adjusting components. The lower ends of the main keel hangers are inserted into the main keel. The main keel is connected to secondary keels via several secondary keel hangers. The lower ends of the secondary keels are connected to several soundproof ceiling panels. Each secondary keel hanger includes a hook-shaped connecting part I connected to the main keel and a sheet-shaped connecting part II connected to the secondary keel. The upper end of the secondary keel is provided with a connecting groove adapted to the connecting part II. This application solves the problems of low installation efficiency and poor sound insulation effect in existing soundproof ceiling systems, improves construction quality, enhances construction efficiency, and improves the sound insulation performance of the ceiling.
Owner:MOFANG TECHNOLOGY (BEIJING) CO LTD
A counter-hanging system suitable for high-pile wharf construction
ActiveCN224429923UReduce the impact of constructionReduce processing difficultyArchitectural engineeringSupport plane
This invention provides a reverse-lifting system suitable for high-pile wharf construction, including a support frame, a first beam assembly, a second beam assembly, and a formwork assembly. The support frame includes a first frame section and a second frame section connected together. The first frame section is set on the high-pile wharf, and the second frame section is set above the construction area of the berthing component. The first beam assembly is set on the second frame section and has two sets of first reverse-lifting screws detachably mounted on it. Each set of first reverse-lifting screws is connected to a reverse-lifting bottom beam. The second beam assembly is set on the second frame section and has several second reverse-lifting screws detachably mounted on it. These several second reverse-lifting screws are connected to a bracket, which is connected to the reverse-lifting bottom beam. The formwork assembly is set on the bracket and used for casting the berthing component. This invention has a reliable structure, is convenient to construct, solves the technical bottlenecks of traditional processes, ensures the construction quality and efficiency of the berthing component, and meets the needs of modern high-pile wharf construction.
Owner:THE FIRST ENGINEERING COMPANY OF CCCC FOURTH HARBOUR ENGINEERING CO LTD
A gypsum board lifting and clamping device
ActiveCN224411285UPrecise control of lifting heightEasy to adjust the angleStructural engineeringMechanical engineering
The utility model relates to indoor decoration technical field discloses a gypsum board lifting and clamping equipment, include: lift, it is equipped with mobile end and jacking end, wherein the mobile end of lift walks on ground, and the jacking end of lift is equipped with lifting platform, frame, set up in lifting platform, wherein the installation area is left between frame and lifting platform, lifting assembly, set up in frame, the lifting end of lifting assembly is equipped with pedestal, wherein the pedestal is in the driving of lifting assembly with vertical displacement, rotating assembly, set up in pedestal, wherein the rotating end of rotating assembly is equipped with adsorption clamping member. The gypsum board lifting and clamping equipment purpose is to solve the gypsum board in the process of installing ceiling suspended ceiling, mainly rely on artificial lifting to cause the problem of low efficiency, labour intensity is big, position accuracy is difficult to guarantee and gypsum board damage or installation deviation in the process of fine adjustment easily.
Owner:ZONGHENG ENVIRONMENTAL CONSTR CO LTD
A high-pressure grouting stratum reinforcement method based on dynamic regulation
ActiveCN121654080Bhigh degree of automationImprove construction safetyIn situ soil foundationSoil preservationSoil scienceSoil stress
The application relates to the technical field of underground construction, and relates to a high-pressure grouting stratum reinforcing method based on dynamic regulation and control, which comprises the following steps: confirming a grouting reinforcing environment based on a grouting reinforcing instruction, sampling rock and soil of a rock hole to be grouted by using a sampling ring cutter, obtaining test rock and soil blocks, carrying out penetration shear testing on the test rock and soil blocks, obtaining a rock and soil penetration index, a rock and soil specific weight and a rock and soil stress equation, carrying out property evaluation on the rock and soil penetration index, the rock and soil specific weight and the rock and soil stress equation based on a pre-constructed grouting pressure difference model, obtaining an initial grouting pressure, a limit hole bottom pressure and an initial grouting consistency, dynamically fine-tuning grouting of a set grouting system based on the limit hole bottom pressure, obtaining a target grouting system, confirming a reinforcing construction stratum based on the target grouting system and the construction stratum, and completing grouting stratum reinforcement. The application can improve the safety and automation degree of grouting construction and improve the grouting reinforcing effect of the stratum.
Owner:BEIJING MUNICIPAL THIRD CONSTR ENG CO LTD +1
A bio-based hybrid polymeric water-repellent cementitious material and a method of making the same
The application discloses a kind of bio-based hybrid polymerization water-repellent cementitious materials and preparation method thereof, belong to building material technical field, solve the problem that traditional cement-based cementitious material is easy to scatter in water, pollute environment and low later strength when used for underwater construction, the water-repellent cementitious material is composed of the following mass parts of raw materials: 100 parts of fast hardening cement, 25-50 parts of stone powder, 25-50 parts of fly ash, 10-15 parts of silica powder, 25-35 parts of metakaolin, 0-10 parts of nano clay, 1-2 parts of water reducing agent, 0.5-5 parts of starch, 30-60 parts of water, 5-10 parts of organic monomer, 0.05-0.3 parts of initiation system and 0.005-0.05 parts of crosslinking agent.The water-repellent cementitious material prepared by the application has good dispersion resistance and water repellency underwater, maintains the integrity of components to facilitate the full hydration reaction, and has higher mechanical compressive strength.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JINHUA POWER SUPPLY CO +1
Intelligent projection positioning and drilling accuracy control system for blast holes at tunnel face
ActiveCN122082724AImprove construction qualityIncrease the level of automationBlastingTunnelsControl systemStructural engineering
This invention discloses an intelligent projection positioning and drilling accuracy control system for blast holes at tunnel faces, belonging to the field of tunnel drilling and blasting construction technology. It aims to solve the technical problems of inaccurate blast hole positioning and large drilling direction deviations in existing tunnel face systems, leading to low construction efficiency. The key technical points are: the control system includes a structured light projector mounted on a tunnel drilling and blasting trolley, at least two industrial cameras, a fiber optic shape demodulation module, and a controller. A fiber optic shape sensing unit is installed inside the drill rod at the end of the drill arm of the drilling and blasting trolley; the structured light projector projects structured light, the industrial cameras acquire binocular images, the fiber optic shape demodulation module calculates the curvature and torsion angle sequence of the sensing unit, and the controller controls the drill arm drive mechanism to correct the drill bit position and direction through 3D reconstruction, coordinate comparison, and real-time deviation adjustment. This invention achieves intelligent positioning and drilling accuracy control of blast holes at tunnel faces, improving the accuracy and efficiency of tunnel drilling and blasting construction.
Owner:SINOHYDRO BUREAU 6 CO LTD
A connection structure for prefabricated steel structure ultra-large cross-section frame beams and columns
PendingCN122082515APrecise alignmentPrecise connectivityBuilding constructionsClassical mechanicsMechanical engineering
This invention belongs to the field of steel structure building technology, and particularly relates to a connection structure for prefabricated steel structure beams and columns with ultra-large cross-sections. The structure includes: an upper connecting column with a lower supporting column at its bottom; both the upper connecting column and the lower supporting column are hollow square steel tubes; a positioning component fixedly disposed at one end inside the upper connecting column; a clamping component fixedly disposed at one end inside the lower supporting column, which cooperates with the positioning component to clamp the positioning component; and a beam-column connection component fixedly disposed at the outer end of the upper connecting column and / or the lower supporting column, with multiple crossbeams detachably connected to the beam-column connection component. This invention can improve the construction efficiency and assembly accuracy of steel structure beams and columns.
Owner:SHANDONG LUQIAO GROUP CO LTD +1
A pipe truss docking device
ActiveCN224300474UReduce labor costsReduce the risks of working at heightsBuilding material handlingButt jointControl theory
The utility model provides a kind of pipe truss butt joint device, including a plurality of interval setting pipe hoop components and the adjusting component for connecting adjacent pipe hoop components, each pipe hoop component is slidably connected with adjusting component.The utility model can connect the fixed pipe truss with corresponding pipe hoop component, and the spacing of adjacent pipe hoop component is adjusted by adjusting component to position the installation position of the pipe truss to be butt jointed.The utility model has the beneficial effects of not only reducing manual operation cost, but also improving butt joint quality, reducing the risk of aerial work, simple structure, easy operation, improving construction efficiency and quality, and the device can be disassembled for repeated use.
Owner:MCC TIANGONG GROUP
Construction method of space special-shaped tree column structure
The application discloses a construction method of a space special-shaped tree column structure, which comprises the following steps: after a layer of steel rod members are installed and a first layer closed loop structure is formed, the steel rod members are continuously assembled to the next layer; after the steel rod members of the next layer form a second layer closed loop structure, butt joints of vertical rod members of the steel rod members of the first layer closed loop structure are welded; after the butt joints of the vertical rod members are welded, butt joints of horizontal rod members of the layer of steel rod members are welded; after the butt joints of the horizontal rod members are welded, the next layer of steel rod members is continuously assembled on the basis of the second layer closed loop structure; after a third layer closed loop structure is formed, the butt joints of the steel rod members of the second layer closed loop structure are welded; and the welding is sequentially and intervally performed until the last layer of steel rod members is welded. The application can reduce or avoid the welding seam deformation of the complex space special-shaped structure, and greatly improves the construction quality.
Owner:CHINA MCC5 GROUP CORP LTD
A building construction formwork fastening device
ActiveCN224396067UConvenient setAchieve circumferential limitAuxillary members of forms/shuttering/falseworksArchitectural engineeringBuilding construction
This utility model relates to the field of building construction technology, specifically a formwork fastening device for building construction, comprising: a tie rod, wherein at least two guide grooves are spaced apart circumferentially on the outer wall of the tie rod; two clamps, each clamp being movably fitted onto the tie rod, and each clamp having a guide protrusion corresponding to each guide groove; and an adjustment mechanism connected to the corresponding guide protrusion on each clamp. This utility model forms a cooperative limiting structure by providing guide grooves on the tie rod, corresponding guide protrusions on the clamps, and an adjustment mechanism driving their movement. During installation, the adjustment mechanism drives the guide protrusions to maintain a gap with the guide grooves, facilitating clamp fitting and achieving circumferential limiting through their cooperation. During locking, the adjustment mechanism drives the guide protrusions to embed into the guide grooves and fit tightly, using this adjustment to achieve axial limiting of the clamps while simultaneously enhancing the circumferential anti-rotation effect.
Owner:GUANGDONG HANJIANG ENG GENERAL CONTRACTING CO LTD
Rebar cage main reinforcement butt joint positioning auxiliary device
The utility model belongs to the pile column reinforcement cage processing control technical field, concretely is a kind of reinforcement cage main reinforcement butt joint positioning auxiliary appliance, it includes: butt joint sleeve, its inner cavity forms two main reinforcement butt joint passageway, the both ends of butt joint sleeve are provided with the insertion hole for the insertion of two main reinforcement butt joint end;Centering structure, it is arranged in the side of butt joint sleeve, for extruding two main reinforcement butt joint end from side, control two main reinforcement centering.The utility model has solved the problem of different shafts when reinforcement cage main reinforcement field sleeve connects present stage, has lightened the adjustment work of field reinforcement worker, also has guaranteed the quality of straight thread sleeve connection, has improved the construction quality of pile foundation / pier as a whole.
Owner:CHINA RAILWAY NO 3 GRP CO LTD +1
Pipe delivery device for municipal water supply and drainage
The utility model relates to the technical field of municipal works, especially a pipe feeding device for municipal water supply and drainage, which comprises a pipe feeding base, a mounting block is fixedly installed on one side of the pipe feeding base, a motor protection box is fixedly installed on the upper side of the mounting block, a motor is fixedly installed in the motor protection box, a driving gear is fixedly connected to the output end of the motor, a driven gear is engaged with the outer wall of the driving gear, a transmission rod is fixedly connected to the middle part of the driven gear, and a worm is fixedly connected to the outer wall of the transmission rod. In the utility model, the pipe feeding device for municipal water supply and drainage is designed, a motor driving gear transmission system is utilized to drive the pipe feeding auxiliary wheel to rotate, people can reduce the labor force to pull the heavy or long pipeline to move in the trench, do not need to rely on a large number of manpower to carry and drag, improve the efficiency of pipeline laying, and significantly reduce the labor intensity of construction personnel.
Owner:TAIAN DEVELOPMENT ZONE XINZE URBAN CONSTRUCTION ENGINEERING CO LTD
A digital management method based on BIM process tracking
This invention discloses a digital management method based on BIM (Building Information Modeling) process tracking. This method combines BIM technology with process atomization, digital twin construction, and dynamic data linkage to achieve digital control over the entire construction process. The core of this invention includes: digital division of inspection batches based on the BIM model, adapting to the granularity requirements of railway engineering inspection standards; a lightweight graphics engine and model-data separation technology to improve model loading efficiency and data interaction flexibility; and dynamic linkage between process progress and the BIM model to generate a 4D progress view, supporting resource optimization and decision analysis. This invention solves the problems of delayed data entry, low visualization, and arbitrary execution in traditional quality management, significantly improving construction quality and efficiency, and is applicable to railway engineering and large-scale infrastructure projects.
Owner:JINTAI RAILWAY CO LTD