Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

18results about How to "Reduce construction errors" patented technology

A rapid pouring mold for assembling a prefabricated monolithic bidirectional dense-rib composite floor slab concrete bottom plate

The utility model discloses a kind of rapid pouring mould of assembly integral type two-way dense rib composite floor slab prefabricated concrete bottom plate, including bottom plate, first intermediate plate, second intermediate plate, first side edge plate, second side edge plate and third side edge plate.The pouring mould in the utility model has fast pouring speed, is easy to vibrate, easy to demould, can greatly reduce construction error and construction difficulty, while improving pouring efficiency, realize the promotion of assembly building efficiency.
Owner:NANJING COMM INST OF TECH

Building outer wall structure

The utility model relates to the technical field of building heat preservation, and particularly discloses a building outer wall structure which comprises mechanical self-tapping ground anchors used for penetrating through building gridding cloth to reinforce a heat preservation layer of a building outer wall. The mechanical self-tapping anchor comprises a round metal anchor disc, a round metal screw, a round metal screw expansion head, a round metal threaded sleeve and a threaded anti-shaking rod. A round metal screw is fixedly installed in the middle of the round metal anchor disc and fixedly connected with a round metal screw expansion head, and the round metal screw expansion head is far away from the round metal anchor disc. The circular metal threaded sleeve is connected with the circular metal screw rod in a plugging manner; and a plurality of threaded anti-shaking rods are fixedly mounted on the edge of the circular metal anchor disc. Safety accidents caused by a heat preservation layer of a building outer wall after an earthquake can be reduced.
Owner:CCTEG CHONGQING ENG CO LTD

A prefabricated building integrating concealed heating and ventilation channels

This utility model discloses a prefabricated building integrating concealed heating and ventilation channels, relating to the field of building equipment technology. It includes a prefabricated building body, with an air supply component fixedly installed on the outer wall of the prefabricated building body. A sensing component is connected to the top of the air supply component, which includes a distribution box. A mixing pipe is fixedly connected to the end of the distribution box away from the air supply component. A connecting component is fixedly connected to the end of the mixing pipe. A first ventilation pipe is fixedly connected to the end of the connecting component away from the mixing pipe. A second ventilation pipe is connected to the end of the first ventilation pipe. This utility model features a structure linking the air supply component and the sensing component, enabling stable introduction and delivery of external air to the distribution box. The rotation of the air guide plate is driven by the thermal expansion and contraction effect of ether within the annular cylinder, automatically adjusting the opening state of the cold and hot air ducts according to the ambient temperature. This achieves a passive temperature control function that switches between cold and hot air without the need for an electrical control system. The structure is simple, the response is sensitive, and the energy consumption is extremely low.
Owner:ZHONGTIAN NORTHWEST CONSTR INVESTMENT GRP CO LTD

Electric wire pay-off mechanism for constructional engineering

The utility model relates to the technical field of constructional engineering, in particular to an electric wire pay-off mechanism for constructional engineering, which comprises two support frames, the two support frames are herringbone, when the electric wire pay-off mechanism is used, an electric wire winding drum is firstly sleeved on a mandrel, a triangular block is rotated, and a pull rod drives a limiting rod to move to expand the hollow part of the electric wire winding drum sleeve; then one end of a limiting rod is inserted into a limiting hole of a first fixing disc, a wire winding drum is fixed to the pay-off assembly, then according to construction requirements, a rotary knob is rotated, reverse thread transmission of a threaded rod is utilized, two supports slide along a sliding rod, the width of the pay-off assembly is adjusted, wire coils of different models can be placed, in the pay-off process, a wire is led out of the pay-off assembly, and the pay-off efficiency is improved. The guide ring at the bottom end of the cross rod is used for guiding, the accurate pay-off direction is ensured, when the wire reel needs to be replaced or the pay-off position needs to be adjusted, the triangular block is rotated again to loosen the limiting rod, the wire reel can be disassembled, and the whole operation process is simple and efficient.
Owner:景保人

Directly-supplied electric boiler prizing and installing integrated unit

ActiveCN224517026UReduce on-site construction timeshorten construction timeProcess engineeringMechanical engineering
The utility model relates to the technical field of electric boiler, especially a direct supply type electric boiler prying integrated unit, which reasonably deploys and installs the electric boiler assembly, power cabinet, general control cabinet and additional customer added functions such as water replenishing assembly according to customer demand, the power cabinet provides electric power for the electric boiler assembly and water replenishing assembly, the general control cabinet coordinates and controls the work between the electric boiler assembly and water replenishing assembly, greatly shortens the field construction time, reduces the construction error caused by field construction, and includes control assembly, electric boiler assembly and water replenishing assembly, the control assembly is used for providing electric power for the electric boiler assembly and water replenishing assembly, simultaneously coordinates and controls the operation of the electric boiler assembly and water replenishing assembly, the control assembly includes power cabinet and general control cabinet, the power cabinet provides electric power for the electric boiler assembly and water replenishing assembly, and the general control cabinet coordinates and controls the work between the electric boiler assembly and water replenishing assembly.
Owner:HEBEI GECHENG SHENGHONG ELECTRIC CO LTD

Photovoltaic pile construction positioning device

The utility model relates to photovoltaic pile construction field discloses a photovoltaic pile construction positioning device, include: positioning frame, positioning head, the number is several, several positioning head install on positioning frame, several positioning heads are circular array distribution, angle sensor, the number is several, several angle sensors install on positioning frame, angle sensor is connected with positioning head. In the utility model, through setting up positioning head and angle sensor, realized real -time monitoring to prefabricated pipe pile insertion process, and construction personnel can acquire the inclination angle data of pipe pile instantly, can rapidly adjust construction strategy, reduce construction error, improve the installation precision of photovoltaic pile, ensure that pipe pile inserts with correct angle.
Owner:湖北树源集团有限公司

A prefabricated floor slab force transmission bar connection structure

ActiveCN224281705UEffective distribution of forceUniform force transmissionFloorsFloor slabClassical mechanics
This utility model discloses a prefabricated floor slab force transmission rod connection structure, including a first floor slab, a second floor slab movably connected to the side of the first floor slab, a fixed connecting plate movably connected to the upper ends of the first and second floor slabs, a symmetrical first threaded hole at the upper end of the first floor slab, a symmetrical third threaded hole at one end of the fixed connecting plate, a symmetrical second threaded hole at the upper end of the second floor slab, and a symmetrical fourth threaded hole at the other end of the fixed connecting plate, and a movable connecting plate movably connected to the lower ends of the first and second floor slabs, the movable connecting plate having multiple positioning shaft holes. Through the above structure, a stable upper and lower clamping structure is formed, effectively distributing the force on the force transmission rod, achieving precise positioning and installation, reducing construction errors, and allowing flexible adjustment of the position of the movable connecting plate to adapt to different working conditions, effectively ensuring the safety of the prefabricated floor slab during long-term use.
Owner:SUZHOU JIAGU ENVIRONMENTAL PROTECTION TECH CO LTD

Cushion block for construction floor

The cushion block comprises a lower main body and an upper main body, a plurality of blind holes are formed in the lower main body, a plurality of through holes are formed in the upper main body, the through holes correspond to the blind holes, the lower main body and the upper main body are fixedly connected through first bolts, and the first bolts are in threaded connection with the through holes and the blind holes respectively. The lower end of the lower main body is provided with first anti-skid grains, and the upper end of the upper main body is provided with second anti-skid grains. Limiting grooves are formed in the outer side of the lower body, a threaded hole is formed in each limiting groove, the limiting grooves are used for installing limiting pieces, and the limiting pieces are fixedly connected with the lower body through second bolts. Adjusting pieces are arranged between the lower body and the upper body and can be increased or decreased according to requirements. The floor thickness can be controlled, the construction stability is improved, and the construction requirements of different floors are met.
Owner:GUANGDONG RUNCHANG CONSTR ENG CO LTD

Stable grip type concrete pipe pile

ActiveCN224412510UBalanced and lightweightBalancing needsAxial distributionRebar
The utility model provides a kind of stable ground gripping type concrete pipe pile, the stable ground gripping type concrete pipe pile includes pipe pile body, by C50 and above strength grade concrete pouring, outer diameter is 0.8-1.5 meters, wall thickness is 100-250 millimeters;Ground gripping part, set in the bottom end of pipe pile body, the ground gripping part is conical tip, tip surface is equipped with helical groove, groove depth is 10-30 millimeters, pitch is 50-150 millimeters;Longitudinal main reinforcement, along the circumferential uniform distribution of pipe pile body inner wall, the longitudinal main reinforcement is HRB400 grade reinforcing bar, diameter 20-32 millimeters, interval is 80-150 millimeters;Outer wall ground gripping texture, along pipe pile body outer surface axial distribution, the texture is trapezoidal projection, height is 5-15 millimeters, width is 20-50 millimeters, adjacent projection interval is 30-80 millimeters. By optimizing bottom ground gripping structure, outer wall texture design and internal strengthening scheme, the penetration efficiency of pipe pile, displacement resistance and connection reliability are significantly improved.
Owner:ZHEJIANG ZHENGDA PIPE PILE CO LTD

Power construction visualization method and system based on 3D Gaussian technology

PendingCN121957439Aunderstand intuitivethree-dimensional understandingOffice automationInput/output processes for data processingComputational scienceLayout
The invention relates to the technical field of electric power construction, and provides an electric power construction visualization method and system based on a 3D Gaussian technology, and the method comprises the steps: 1, constructing a three-dimensional visualization engine which is used for loading and fusing multi-source heterogeneous data, and carrying out the three-dimensional scene editing and spatial analysis; 2, 3D Gaussian surveying and mapping data are obtained, precision verification and data processing are carried out, and high-precision simulation and measurement of electric power facilities and equipment are achieved; 3, on the basis of the 3D Gaussian data, a construction scheme sand table is constructed on the three-dimensional visualization engine, and rapid field terrace and earth volume calculation, construction temporary building arrangement, construction safety facility arrangement, construction equipment arrangement and construction safety analysis are supported; 4, visual content editing is carried out in the construction scheme sand table, and a three-dimensional interactive report material is generated; and step 5, exporting an electronic sand table or a video file which can be independently operated as a report material. According to the invention, power construction can be better visualized.
Owner:ANHUI HONGYUAN ELECTRIC POWER DEV SHAREHOLDING COOP CO +1

Steel box girder support rapid turnover construction method based on modular assembly jig frame

The invention relates to the technical field of steel box girder construction, in particular to a rapid turnover construction method for a steel box girder support based on a modular assembly jig frame. The method includes the following steps that firstly, an intelligent module is designed according to parameters of a three-dimensional model of the steel box girder; 2, site digital preprocessing is carried out, topographic data of a construction site are obtained through three-dimensional scanning, and a two-dimensional code positioning identifier corresponding to the digital model is arranged on the ground; 3, module intelligent scheduling is carried out, and real-time positioning is carried out on a transport vehicle and a jig frame module through the Internet of Things technology; fourthly, automatic assembling is conducted, and a mechanical arm with a visual recognition function is adopted to grab the standard jig frame module; 5, dynamic bearing monitoring is carried out, and stress sensors are arranged at key nodes of the jig frame; standardized, modularized and intelligent construction of the steel box girder support is achieved, the construction efficiency and precision are improved, the cost is reduced, the construction safety is guaranteed, and rapid turnover and full-life-cycle management of the support are achieved.
Owner:CHINA MCC17 GRP CO LTD

A BIM-based pressurized air supply system diagram automatic drawing and intelligent labeling method and system

The application provides a BIM-based pressurized air supply system diagram automatic drawing and intelligent labeling method and system, which comprises the following steps: a user customizes setting of drawing parameters of the pressurized air supply system diagram; a BIM model is read, and spatial relationship information and geometric attribute information of the pressurized air supply system are analyzed and extracted; according to the drawing parameters and the information extracted from the BIM model, a preset rule library is called, and a two-dimensional system diagram and labeling are generated; whether the generated labeling has overlap is checked, and intelligent arrangement and avoidance of the labeling are realized; when the BIM model is changed, the changed part is automatically identified, and corresponding graph elements and labeling in the two-dimensional system diagram are driven to realize linkage update, so that the diagram and the model are consistent. The application effectively solves the problems of information fragmentation and loss, low collaborative efficiency and the like, breaks through the data flow from the three-dimensional model to the two-dimensional drawing, and significantly improves the design efficiency and the drawing quality.
Owner:CHINA MACHINERY INT ENG DESIGN & RES INST

Steel beam mounting and positioning structure

ActiveCN224161198UPrecise dockingEnsure on-site construction qualityBuilding constructionsButt jointClassical mechanics
The utility model provides a steel beam installing and positioning structure which comprises a steel column, a transition steel beam, a connecting steel beam, a steel beam connecting piece, a web connecting plate and a connecting bolt. The transition steel beam is welded on the steel column in advance; steel beam connecting pieces are welded to the two ends of the upper flange of the connecting steel beam in advance and are in lap joint with the upper flange of the transition steel beam, so that the upper flanges of the transition steel beam and the connecting steel beam are consistent in elevation; bolt holes corresponding to webs of the transition steel beam and the connecting steel beam are formed in the web connecting plate in advance; and the web connecting plates connect the transition steel beams and the connecting steel beams in an aligned manner through connecting bolts. By means of the structure, it can be guaranteed that the installed connecting steel beam is accurately in butt joint with the transition steel beam in the horizontal direction and the vertical direction, the elevations of the two ends of the upper flange of the connecting steel beam can be conveniently controlled to meet the design requirement, it is guaranteed that structural stress meets the design requirement, construction efficiency and installation precision are improved, construction errors are reduced, and on-site construction quality is guaranteed.
Owner:HEBEI BUILDING MATERIALS IND DESIGN & RES INST

Lightweight high-strength prefabricated assembled ribbed bridge abutment

ActiveCN224478380UPut into use as soon as possibleShorten the construction periodArchitectural engineeringAbutment
The utility model discloses a light high -strength prefabricated assembled ribbed slab type abutment, include: bottom support platform, ribbed slab is provided with two groups, two groups of ribbed slab symmetry fixed connection in the top surface of bottom support platform, platform cap shell is fixed in the top of ribbed slab, the top surface fixed connection of ribbed slab has I -steel connecting piece, and I -steel connecting piece inserts into platform cap shell, and fixedly connected with connecting reinforcing steel bar, back wall, back wall side two ends symmetry fixed connection has ear wall, back wall and ear wall integrated, and the outside of platform cap shell is fixed between back wall, wherein, after I -steel connecting piece inserts into platform cap shell, uses concrete pouring fixed. The utility model each component can be prefabricated in advance in factory. In construction site, only need to carry out simple assembling operation, has greatly shortened construction period. Compared with traditional on -the -spot pouring construction mode, need not to wait for concrete maintenance to reach design strength, has saved a lot of time.
Owner:FUZHOU UNIV

Top drive type tail pipe cementing head, tail pipe cementing system and cementing process

PendingCN122280500ASolve the loop problemEasy to installTop driveWell cementing
This invention discloses a top-drive type tailpipe cementing head, a tailpipe cementing system, and a cementing process. The cement head body comprises a cement head body, a rubber plug pre-installation mechanism, and a drill pipe tandem connector. The cement head body is used to connect to the top drive system at its upper end. At least one union joint is milled on the cement head body. The cement head body has an internal cavity. The rubber plug pre-installation mechanism is installed within the cavity. The rubber plug pre-installation mechanism includes a rubber plug sleeve and a drill pipe rubber plug. A fluid channel is provided on the side wall of the rubber plug sleeve. The drill pipe rubber plug is installed inside the rubber plug sleeve. The drill pipe rubber plug is used to scrape the drill pipe under the action of displacement fluid. The drill pipe tandem connector is connected to the lower end of the cement head body. The drill pipe tandem connector is used to connect the drill pipe string. This invention solves the problem of the need for multiple connection and disassembly of conventional cement heads in tailpipe cementing; solves the circulation problem of the top drive system under drill pipe rubber plug pre-installation; and solves the problem of continuity of tailpipe cementing construction throughout the entire process.
Owner:CNPC GREATWALL DRILLING COMPANY +1

A method for lightweight reconstruction and persistence of construction robot swarm operation results

PendingCN122550099AEfficient integrationeffective consistency
This invention provides a lightweight reconstruction and persistence method for the results of construction robot swarm operations, belonging to the field of intelligent construction technology. This invention constructs structured data of the work area, utilizes spatial overlap analysis to identify conflicts, and establishes a conflict resolution mechanism based on time priority, process priority, data confidence, and spatial coverage ratio to achieve reasonable determination and boundary reconstruction of conflict areas. Furthermore, it combines actual construction volume with theoretical engineering volume from the BIM model to establish a measurement consistency evaluation model for quantitative analysis and risk warning of construction results. Based on this, through multi-level early warning and adaptive control strategies, it achieves data correction, conflict resolution, and structural optimization. This method can effectively improve the accuracy of work area identification, reduce the risk of data conflicts and measurement deviations, and realize dynamic monitoring and closed-loop optimization control of the construction process.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD