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20results about How to "Reduce engineering time" patented technology

Metro station shield path analogue simulation U-turn construction method

ActiveCN119102641AImprove U-turn efficiencyU-turn fastGeometric CADTunnelsStructural engineeringSubway station
The invention relates to the technical field of shield construction, and provides a subway station shield path analogue simulation U-turn construction method which comprises the following steps: establishing a three-dimensional model of a subway station, and simulating and generating a shield tunneling machine U-turn path and a rear matched trolley path; importing the three-dimensional model into test software, adding the motion path generated by simulation, and performing three-dimensional collision inspection; exporting constraint force position data; based on the shield tunneling machine U-turn path generated through simulation and the exported constraining force position data, a supporting piece is installed; the bracket and the shield tunneling machine on the bracket are pushed by the jack, so that the shield tunneling machine moves to a target position according to the shield tunneling machine turning-around path generated through simulation; trolley bodies of the rear matched trolley are fixed to the U-turn platform one by one, and the U-turn platform where the trolley bodies are fixed is dragged by a battery car to move to the starting side platform area. According to the method, path analogue simulation and site construction optimization are combined, the U-turn construction path is effectively controlled, the construction efficiency is greatly improved, and the construction safety risk is reduced.
Owner:NO 1 CONSTR ENG CO LTD OF CHINA CONSTR THIRD ENG BUREAU CO LTD

A method for predicting mud loss before drilling in complex well conditions based on BP neural network

The present invention discloses a method for predicting mud loss before drilling in complex well conditions based on BP neural network, the method comprising: S1, collecting historical seismic attribute data of the target area, engineering and geological data materials corresponding to the loss cases; S2, standardizing the collected data, and converting all data for the convenience of implementing the method; S3, taking the pre-processed historical seismic data as input, the loss situation as output, and the real loss state as the standard value, supervising training and optimizing to obtain a loss prediction neural network model; S4, inputting the real-time seismic data of the target area, and the model automatically judges the loss situation corresponding to each depth in this area. The present invention solves the problem that it is difficult to accurately predict the well conditions before drilling in existing complex well conditions and mud loss is easy to occur.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

High-precision curtain wall panel positioning method

The invention relates to the technical field of positioning measurement, in particular to a high-precision curtain wall panel positioning method, which comprises the following steps of: based on a curtain wall panel mounting scene, acquiring wind speed and temperature data of a mounting environment through a sensor, comparing the wind speed and temperature data with standard wind speed and temperature, identifying environmental deviation, and determining the position of a curtain wall panel according to the environmental deviation. And the moving speed and the supporting angle of the curtain wall panel installation mechanical arm are adjusted, the current installation condition is matched, and environment adaptation parameter adjustment information is obtained. By collecting environmental data and comparing the environmental data with a standard value, the mounting mechanical arm of the curtain wall panel can be adjusted in real time to adapt to the current mounting condition, the image of the curtain wall panel is captured through the image sensor and analyzed to determine the position deviation, control over the positioning and mounting precision is enhanced, positioning and alignment of the curtain wall panel are more accurate, and the mounting precision of the curtain wall panel is improved. The installation quality is improved, and the installation positioning precision and efficiency are ensured through real-time planning and adjustment of the installation path and monitoring and correction of the movement track.
Owner:SHANXI CONSTR ENG CO LTD

Intelligent allocation method and management system for earthwork in polluted site

The invention provides a polluted site earthwork intelligent allocation method and management system, and the method comprises the steps: obtaining the information of a polluted site, and determining an excavation region and a temporary storage region; determining an earthwork transportation route based on the position information of the excavation area and the temporary storage area; the excavation area at least comprises a first pollution type soil area and a first clean soil area, the temporary storage area at least comprises a first pollution type soil temporary storage area, and the first clean soil temporary storage area, the first pollution type soil area and the first pollution type soil temporary storage area are at least provided with a first earthwork transportation route; the first clean soil area and the first clean soil temporary storage area are at least provided with a second earthwork transportation route, and the first earthwork transportation route is different from the second earthwork transportation route. According to the intelligent allocation method for the earthwork in the contaminated site, regional division of the contaminated soil and the clean soil in the contaminated site can be realized, different transportation routes can be planned, cross contamination can be effectively prevented, and intelligent route design and execution can be realized.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

UVA industrial curing module

The utility model relates to the technical field of UVA curing, in particular to a UVA industrial curing module which comprises a circuit layer, a heat conduction and dissipation copper substrate, a box dam layer, a circuit layer, a UVLED chip and an optical lens, and the circuit layer on the heat conduction and dissipation copper substrate is provided with six evenly-distributed light-emitting areas. The 24 UVLED chips are fixed on the circuit layer through elargol in a Die-bonding mode, then electrodes of the UVLED chips and lead pins are conducted through gold threads in a Wire-Bonding mode, a whole column of six 2 * 2 LEDs connected in series is formed, the optical lens is installed above the UVLED chips to change the focusing focal length, and the UVLED chips are fixed on the circuit layer in a die-bonding mode. Heat generated by light emitting of the UVLED chip is conducted to the radiator through the heat conduction and heat dissipation copper substrate below, UV light emitted by the UVLED chip can be used for curing the light sensation material, and due to the fact that the curing time of light curing is short, a pipeline of one meter can be repaired within several minutes, and compared with several hours of excavation type repairing, the engineering time and cost can be greatly reduced.
Owner:WU HAN AI BO RUI KE JI YOU XIAN GONG SI

Automatic reinforcing steel bar positioning method and device based on ground penetrating radar

The invention discloses an automatic reinforcing steel bar positioning method and device based on a ground penetrating radar, and the method does not need manual participation, and can remarkably improve the data processing efficiency. Meanwhile, before positioning, the data is corrected and denoised, so that the interference of noise can be reduced, and the accuracy of a result is ensured; furthermore, during positioning, signal enhancement and offset processing are introduced, so that profile data of a reinforcing steel bar signal can be highlighted, and subsequent reinforcing steel bar recognition and analysis are facilitated; and finally, when size detection is carried out, a real steel bar area is reserved by comprehensively analyzing the shape characteristics of the steel bars, and size detection, protective layer thickness detection and horizontal spacing measurement are carried out based on the real steel bar area. Therefore, interference areas can be further filtered out, and accurate measurement of steel bar parameters is further achieved. Based on the elaboration, the detection efficiency and accuracy of the reinforcing steel bars in the concrete structure can be greatly improved.
Owner:SICHUAN SHUIFA SURVEY DESIGN & RES CO LTD

Process and device for installing an ultra-deep underwater suction caisson foundation

The application discloses a process and device for an ultra-deep underwater suction bucket foundation, and belongs to the technical field of sinking and installing a large offshore floating platform; a support beam is fixed to a side deck; a hoisting beam is connected with a connector A, the connector A is connected with a suction bucket, and the hoisting beam is connected with a lifting hook; a crane hoists and sidely hoists into water; the crane is adjusted to hang the connector A in the support beam and continue to sink until all the weight is transferred; the connector A is removed from the hoisting beam, the connector B is connected with the hoisting beam and connected with the connector A; the crane is adjusted to separate the connector A from the support beam, so that the suction bucket continues to sink after all the weight is transferred to the crane; the above steps are repeated to continuously connect the connector B and a lifting cable C until the suction bucket is sunk into mud; the lifting cable B is removed after the sinking of the suction bucket is completed; the load is temporarily transferred by means of the deck of a construction ship through the series connection of the connection structure, the selectivity of construction resources is greatly widened, the working cost is reduced, and time is saved.
Owner:YANTAI SALVAGE BUREAU MINISTRY OF TRANSPORT

Rainproof shutter assembly and open ventilation pavilion adopting same

The rainproof shutter assembly comprises a shutter frame and a plurality of obliquely-arranged shutters in the shutter frame, each shutter comprises a first guide plate and a second guide plate bent upwards from the bottom of the first guide plate, and a drainage ditch used for draining rainwater is formed between the second guide plate and the first guide plate; a drainage net is arranged between every two adjacent shutters, the horizontal projection of the first guide plate of one shutter covers the horizontal projection of the second guide plate of the adjacent shutter on the inclined side, the shutters comprise an open state and a closed state, a ventilation path of the shutter frame is formed between the shutters in the open state, and the shutters rotate in the closed state. Wherein the first guide plate of one shutter is attached to the second guide plate of the adjacent shutter on the inclined side, and the ventilation path of the shutter frame is closed. By designing the shutter structure with the drainage ditch, the drainage net and the balance weight piece, rainwater can be prevented from entering underground space while effective ventilation is guaranteed.
Owner:严宇婷

Pixel defining layer preparation method

The invention relates to a preparation method of a pixel defining layer. The preparation method comprises the following steps: coating a photosensitive composition; pre-baking is conducted; performing exposure; developing is conducted; post exposure; and carrying out post-baking treatment. The photomask transmittance is divided into three sections, 0% (non-exposed portion), 20 to 50% (Half-tone), and 100% (Full-tone), and the photosensitive composition contains 0.50 to 1.50 wt% of a photoinitiator.
Owner:DUK SAN NEOLUX

Asphalt pavement rolling device

The utility model discloses an asphalt pavement rolling device which comprises a machine body, two supporting rods are welded to the bottom face of the machine body, the side faces, close to each other, of the two supporting rods are jointly connected with a rotating shaft, a groove is formed in the upper surface of the machine body, and two sliding grooves are formed in the upper surface of the machine body. And a threaded rod is rotationally connected to the inner wall of the groove, a fixing base is bolted to the bottom face of the machine body, a first motor is arranged on the upper surface of the fixing base, and a first sliding block is slidably connected to the inner wall of the groove. According to the utility model, the fixed block, the sliding block I and the threaded rod are arranged, the sliding block I is driven by the motor I to move horizontally to drive the balancing weight I to move, and the horizontal movement of the sliding block I is accurately controlled by the motor I, so that the position of the balancing weight I can be accurately adjusted, and the weight distribution of the road roller is accurately controlled; the contact pressure between the road roller and the road surface can be changed by adjusting the position of the balancing weight I, so that the compaction efficiency is improved.
Owner:Yantai Penglai District Yida Road and Bridge Engineering Co., Ltd. +1

Adjustable jig frame applied to segment steel reinforcement framework

The utility model discloses an adjustable jig frame applied to a segment steel reinforcement framework, which belongs to the technical field of jig frames and comprises a jig bottom frame, a lower limiting device is arranged on the jig bottom frame, the steel reinforcement framework is placed on the jig bottom frame and comprises a plurality of main reinforcements and a plurality of stirrups, and the main reinforcements and the stirrups are arranged on the jig bottom frame. The plurality of stirrups are arranged on the outer sides of the plurality of main ribs in a sleeving manner; the steel plate is located on the peripheral side of the steel reinforcement framework, an adjusting device is arranged on the steel plate, the multiple stirrups and the multiple main reinforcements are adjustably connected to the steel plate through the adjusting device, and the lower limiting device is connected to the steel reinforcement framework through bolts. The adjusting device is arranged on the steel plate, the adjusting device is matched with the lower limiting device, the distance between the main reinforcement and the stirrup in the steel plate can be adjusted, the main reinforcement and the stirrup can be fixed, and the jig frame is high in flexibility and adaptability.
Owner:SHANGHAI TUNNEL ENG INTELLIGENT MFG HAIYAN

Concrete pile head crushing method and device

The invention provides a concrete pile head crushing method and device.The concrete pile head crushing device comprises a main body power module, an advancing module, a lifting module, a telescopic module, a crushing module and a cutting module.The main body power module comprises a frame and a hydraulic workstation and provides support and power for stable operation of all mechanisms, and the advancing module advances in a crawler-type mode; the high trafficability of a complex terrain is guaranteed, the lifting module is lifted through a chain, it is guaranteed that steel bar crushing and steel bar cutting work is completed at a preset height, the telescopic module adopts a ball screw, the moving problem between a pile head and a vehicle body is flexibly solved, and the crushing module and the cutting module use crushing steel drill bits and rotary cutting blades; and pile head crushing and steel bar cutting work can be completed. According to the device provided by the invention, the crawler-type crushing and cutting integrated robot is used, and crushing of pile heads with different diameters and cutting of reinforcing steel bars can be completed in a site where large machinery is not suitable for passing.
Owner:TIANJIN CHENGJIAN UNIV

Multipurpose cable head connector

The utility model relates to a multipurpose cable head connector, which comprises a linear body made of metal materials and a T-shaped body made of metal materials, and is different from the prior art in that two ends of the linear body are respectively provided with inner screw holes with opposite spiral directions, a conductor of a cable is fixedly connected with a screw tube made of metal materials, and the screw tube can be screwed into the inner screw holes. According to the T-shaped body, a metal ball cup is fixedly connected to the middle of the linear body, the spherical surface of the ball cup is connected with a metal ball, and the ball is fixedly connected with a metal screw. And the screw rod can also be screwed into the inner screw hole. The utility model provides an economical, safe, fast, stable and reliable connection mode.
Owner:方明煌

Pipeline connecting device for water conservancy project

The utility model relates to the technical field of hydraulic engineering, in particular to a pipeline connecting device for hydraulic engineering, which comprises a first pipeline structure, a second pipeline structure is clamped at the right end of the first pipeline structure, and the front ends and the rear ends of the first pipeline structure and the second pipeline structure are fixedly connected with connecting structures. The first pipeline structure comprises a pipeline body, a square plate is fixedly connected to the left portion of the outer surface of the pipeline body in a penetrating mode, a plurality of sets of rubber strips are fixedly connected to the left end of the square plate at equal intervals, a plurality of sets of clamping round holes are formed in the left end of the pipeline body at equal intervals, and a first protection ring is fixedly connected to the left end of the pipeline body. The multiple sets of clamping round holes are all located in the first protection ring. According to the pipeline connecting device for the water conservancy project, connection between the pipeline bodies is increased, the phenomenon of water leakage or water seepage is prevented, meanwhile, connection operation is simple, and project time is saved.
Owner:ANHUI TENGHAO CONSTR ENG CO LTD

Pollution discharge plastic pipe with reinforcing structure

The utility model provides a drainage plastic pipe with a reinforcing structure, which comprises a spiral guide rib fixed in a plastic pipe main body and used for reducing the impact force of water flow in a pipeline, a connecting sleeve fixed on the right side of the plastic pipe main body, and a conical pipe inserted in the connecting sleeve, flanges matched with each other are arranged at the connecting positions of the connecting sleeve and the conical pipe respectively, the connecting sleeve and the conical pipe increase the contact area of the connecting ends of the two plastic pipe bodies, the sealing performance is improved, and the reliability is improved. A rubber ring for preventing sewage from leaking is connected to the upper portion of the conical pipe in a sleeving mode, and the rubber ring is extruded between the connecting sleeve and the conical pipe, so that connection is more airtight. A filtering mechanism is inserted into the plastic pipe body and can effectively intercept and remove impurities under the condition that normal flowing of fluid is not affected, and blockage and maintenance cost of a pipe network are reduced.
Owner:SUXIANG PIPELINE TECH JIANGSU CO LTD

Novel building formwork erecting structure

The utility model discloses a novel building template erecting structure, which relates to the field of constructional engineering assembly and comprises a supporting seat, a fixing bolt is arranged in the supporting seat, a connecting shaft is fixedly connected to the inner wall of the supporting seat, a rotating block is movably connected to the outer portion of the connecting shaft, a template mounting frame is fixedly connected to the upper end of the rotating block, and a template is arranged on the template mounting frame. Rotating rings are fixedly connected to the two sides of the rotating block, and threaded holes are formed in the rotating rings. The supporting frame has the advantages that the angle of the formwork mounting frame can be changed through the fixing bolt, the rotating block, the rotating ring, the connecting shaft, the threaded hole and the like, so that different construction requirements are met, and due to the design, the use limitation of the supporting frame is reduced, and the operation convenience is improved; the formwork mounting frame can be assembled and disassembled through the fixing seats, the short rods, the fixing rods, the threaded columns, the fixing rings, the fixing rings and the like, then workers can conveniently and rapidly build and disassemble the formwork mounting frame, and therefore the overall engineering time is shortened.
Owner:THE THIRD CONSTR ENG CO LTD OF CHINA CONSTR SECOND ENG BUREAU

Deeply buried pipeline positioning method and system based on magnetic gradient value

The application discloses a deep-buried pipeline positioning method and system based on magnetic gradient values and belongs to the technical field of underground pipeline detection. The method comprises the following steps: calculating an effective magnetization inclination; obtaining an observation curve of a vertical magnetic gradient sequence in a single-hole measuring well adjacent to a target pipeline, extracting an extreme point depth value and calculating an extreme value distance; calculating an absolute value of a horizontal lateral distance between the target pipeline and the single-hole measuring well; generating a theoretical curve according to the absolute value and a preset initial depth, comparing the theoretical curve with a shape feature of the observation curve, determining a horizontal position and determining a positive or negative symbol of the horizontal lateral distance; and finally, according to the signed horizontal lateral distance, the extreme point depth value and a dimensionless parameter, the accurate burial depth of the target pipeline is inversely calculated. The application can directly analyze the spatial position parameters of the pipeline only by using single-hole data, effectively overcomes the multi-solution problem of inversion, significantly reduces the engineering cost and improves the detection accuracy.
Owner:TIANJIN SURVEYING & MAPPING INST CO LTD

quick splicing and connection device for geogrid

This utility model relates to the technical field of geogrid splicing tools, specifically, to a rapid splicing and connection device for geogrids. It includes multiple geogrid bodies, each with multiple exposed holes. Multiple splicing and fixing components are provided between adjacent geogrid bodies. Each splicing and fixing component includes a first insertion rod and a second insertion rod inserted through the corresponding exposed hole. An insertion cone is fixedly installed at the bottom end of both the first and second insertion rods. A color marking plate is fixedly installed on the top of both the first and second insertion rods. An upper force-bearing plate is fixedly installed at the top of both the first and second insertion rods. A horizontally positioned horizontal column is fixedly installed on the top of the first insertion rod. The second insertion rod is sleeved on the horizontal column and slidably connected to it. This utility model facilitates rapid splicing and connection operations, is simple to operate, and convenient to use.
Owner:ANHUI BOQIN ENGINEERING MATERIALS GROUP CO LTD

A method for automatic generation of structured meshes and terrain in canals based on parametric modeling

This invention discloses a method for automatically generating structured meshes and terrain for canals based on parametric modeling. This method involves parametrically inputting canal design parameters and original terrain data, and sequentially executing five core steps: original terrain interpolation and fusion, generation of straight channel meshes and terrain, generation of curved channel meshes and terrain, seamless stitching of straight and curved meshes with terrain, and mesh-terrain format conversion and structured reconstruction. The entire process is automated using MATLAB code. This invention addresses the pain points of existing technologies, such as distortion in straight-curved stitching, low automation, and poor digital twin adaptability. The generated structured mesh is accurately adapted to the 3D terrain and can be directly imported into numerical simulation software and digital twin platforms. It provides high-precision data support for canal engineering design, hydraulic characteristic analysis, and digital twin system construction, and is suitable for engineering needs involving multiple sections of alternating straight and curved artificial canals.
Owner:TIANJIN UNIV

Drainage mode screening method based on highway subgrade stratum structure

The invention relates to the technical field of engineering design, in particular to a drainage mode screening method based on a highway subgrade stratum structure. The method comprises the following steps: S1, acquiring a stratigraphic structure type of a highway subgrade; s2, acquiring different stratum structure parameters according to the stratum structure type; s3, selecting a corresponding drainage mode according to the obtained stratum structure parameters; according to the method, the drainage modes of the highway subgrade are screened and matched according to the stratum structure characteristics of different types of highway subgrades and the drainage principle, the structural characteristics and the drainage effect of the drainage structure, so that the drainage modes are more suitable for the stratum structure, the drainage effect is guaranteed, and meanwhile the drainage efficiency is improved. The engineering amount and the construction cost during construction of the drainage structure are remarkably reduced, the engineering time is shortened, the damage degree of the drainage structure to the stratum is also reduced, and protection of the road environment ecological environment is facilitated.
Owner:CCCC FIRST HIGHWAY CONSULTANTS CO LTD