3238 results about "Structural component" patented technology

The invention relates to the technical field of engineering management and control, in particular to an electric power engineering construction management and control method and system based on digital twinning. The method comprises the following steps: acquiring heterogeneous sensing data of a construction area, and carrying out dynamic modeling on a structural member to obtain a member-level digital twin grid; performing environmental factor-material performance response coupling based on the component-level digital twin grid to obtain a material environmental response distribution diagram; component environment sensitivity dynamic injection is carried out according to the component-level digital twin grids, and a construction process dynamic map is obtained; performing multi-mode construction state field deduction based on the construction process dynamic map to obtain a construction state evolution distribution field; and performing reversible process scheduling optimization and simulation according to the construction state evolution distribution map to obtain a reversible scheduling optimization map. The efficiency of electric power engineering construction and the resource utilization rate can be improved.

Provided is a high-strength steel sheet having excellent member strength, ductility, stretch flangeability, bendability of a shear end surface, and low-temperature toughness. A high-strength steel sheet having a prescribed component composition and a steel structure in which the area ratio of martensite is 10%-80%, the area ratio of bainite is 2%-70%, the area ratio of ferrite is 80% or less, and the area ratio of retained austenite is 15% or less at a position at 1 / 4 of the sheet thickness. The ratio of the number of martensite blocks in which metastable carbides are present relative to the number of martensite blocks is 2% or more, and the standard deviation [sigma] n of the nano-hardness relative to the average value [Hn] ave of the nano-hardness is 0.60 x [Hn] ave or less when the nano-hardness at 225 points or more is measured at a position of 1 / 4 of the sheet thickness.

The invention relates to the technical field of testing of structural components or equipment, in particular to a method and a device for testing mechanical durability of a wheel hub motor angle module and electronic equipment, and the method comprises the following steps: calculating the mechanical durability of the wheel hub motor angle module on the basis of actual driving data and whole vehicle parameters of a vehicle carrying the wheel hub motor angle module; a whole vehicle multi-body dynamics model and a whole vehicle multi-body dynamics-control joint simulation platform of a vehicle are constructed, a whole vehicle durability simulation working condition of the vehicle is established in combination with test field condition constraints, a test driving file is iterated based on a simulation analysis result, a tool clamp is designed by utilizing the rim size of a hub motor angle module and the position of a suspension mounting point, and a test result is obtained. Therefore, a target test bench is constructed, and the target test bench is used for executing the durability test task of the wheel hub motor angle module. Therefore, the technical problem that in the related technology, a vehicle carrying a wheel hub motor angle module can collect less data and does not have the real vehicle spectrum collection condition under the long-term and severe road condition, so that the durability test is difficult to carry out is solved.

Examples of methods of hot forming structural components are provided. The methods include heating a blank made from an Ultra High Strength Steel with an aluminum coating and forming the heated blank in a multi-step production line or apparatus.

The invention discloses a power monitoring regulation and control system and method used in the operation process of a ship lock miter gate, and relates to the technical field of ship locks. The method comprises the following steps: firstly, monitoring the vibration state of each structural member of the ship lock miter gate, calculating a rigidity evaluation value of the ship lock miter gate, adjusting an electric control signal of a proportioning pump according to the rigidity evaluation value, and optimizing the non-deformability of a gate body structure; secondly, the dynamic stress of the door body is monitored, the dynamic stress safety evaluation value of the ship lock miter gate is obtained, the output frequency of the motor is adjusted through the frequency converter, and structural overload can be avoided; and finally, the back pull rod prestress monitoring and adjusting module adjusts the prestress of the back pull rod in combination with the vibration state, the dynamic stress and other characteristic data, so that the stability and the structural safety of the door body are kept. Structural damage caused by excessive vibration or stress overload can be avoided, the service life of equipment is prolonged, and stable operation of a ship lock system is ensured.

The invention relates to the technical field of engineering mechanical structure health monitoring, and discloses a carry-scraper structural member crack real-time detection system and method based on vibration characteristics, and the carry-scraper structural member crack real-time detection system based on vibration characteristics comprises a sensing acquisition module which is used for acquiring structural member vibration response and obtaining an original signal; the signal processing module is used for carrying out wavelet denoising on the original signal and extracting effective vibration data; the feature extraction and dynamic calibration module is used for extracting multi-domain features and performing dynamic calibration in combination with working conditions; the crack recognition and intelligent diagnosis module is used for inputting an intelligent model to recognize a crack state; and the crack positioning and alarm feedback module is used for positioning cracks and giving an alarm in combination with the diagnosis result. According to the invention, the multi-modal sensor array is constructed, piezoelectric and MEMS sensors are cooperatively arranged, a magnetic snap-in type installation structure is combined, broadband response signals are stably collected under different working conditions, and then front-end signal optimization is completed in cooperation with a multi-scale wavelet denoising and standardization mechanism.

The invention relates to an additive manufacturing method and application of an aluminum-based silicon carbide composite material complex component, and the additive manufacturing method of the aluminum-based silicon carbide composite material complex component comprises the following steps: step 1, uniformly mixing silicon carbide powder and aluminum alloy powder, and drying; 2, establishing a structural model for the target part, and importing the structural model into selective laser melting forming equipment; thirdly, selective laser melting forming is conducted; fourthly, linear cutting and surface treatment are conducted; and fifthly, hot isostatic pressing treatment is conducted. The invention further provides application of the aluminum-based silicon carbide composite material complex component to precise structural components such as aviation structural components, guided missile and satellite components and optical instruments. According to the method, the problem of subsequent large-allowance removal of the aluminum-based silicon carbide composite material component is solved, the wettability between the aluminum alloy and the silicon carbide particles is improved, the mechanical property meets the application requirement, and the aluminum-based silicon carbide structural component with stable performance is obtained.

A structural component of a vehicle may include an elongated beam having a seamless outer wall surrounding a hollow interior area along the length of the beam. The outer wall defines a closed-cross-sectional shape along the length of the beam and may be comprised of at least four outer wall sections. The outer wall of the elongated beam may include plurality of channels protruding into the hollow interior area and extending laterally from an inboard side to an outboard side on at least one section of the outer wall of the elongated beam. The outer wall includes a flat surface spanning between each of the plurality of channels. The elongated beam may be comprised of an extruded aluminum, and the channels may be formed after extrusion in an orthogonal direction to the direction of extrusion.

The invention discloses a copper alloy and a preparation method and application thereof, and belongs to the technical field of alloys. The copper alloy comprises the components of Cu, Al, Cr, Zr, Ni, Mg, Ti, Si, rare earth elements, Zn and the like, through the innovative design of Al-Cr-Si oxidation film synergistic protection, Zr-Ti-Mg nanophase strengthening, rare earth grain boundary purification and the like of the copper alloy, the breakthrough improvement of the high-temperature strength, the complex corrosion resistance, the machining performance and the environmental protection performance is achieved through the combination of the low-burning-loss smelting, rapid solidification and multi-stage heat treatment processes, and the copper alloy can be used for manufacturing the high-temperature-resistant alloy. The copper alloy can be widely applied to the fields of aerospace high-temperature parts, ocean engineering corrosion-resistant structural parts, high-end die-casting dies and the like, and fills the blank of the existing copper alloy technology.

The utility model relates to a shielding connector main body in the technical field of electrical elements. The shielding connector main body comprises a shell, a shielding ring and a conducting ring, the shell is provided with a shielded wire port and a terminal port, a containing cavity is formed between the shielded wire port and the terminal port, and the containing cavity is provided with a structural body used for containing a shielded wire and being electrically connected with the wiring terminal; the shielding ring is embedded in the shell and is close to the shielding wire port, the inner circumferential surface and the outer circumferential surface of the shielding ring are exposed, the conducting ring is provided with a grounding block, the conducting ring is embedded in the shell and is close to the terminal port, and the outer circumferential surface of the conducting ring and the grounding end surface of the grounding block are exposed; the shell is made of resin materials, the shielding ring and the conducting ring are metal pieces, and the shell, the shielding ring and the conducting ring are integrally formed to form a shielding connector body. According to the shielded wire connector main body provided by the embodiment of the utility model, a metal shell structure in the prior art is changed into a resin material and metal ring integrated structure, the stability of the shielding ring and conductive ring structure can practically improve the shielding effect, and the shell and the shielding cover in the prior art are ingeniously integrated into a whole; structural components of the shielding connector are reduced, and the manufacturing cost of the shielding connector is greatly reduced.

To provide a multiaxial 3D printing device for metal structural components and an arc-based additive manufacturing method.SOLUTION: Based on a multiaxial coordinated printing mode of a robot arm device, a movable guide rail device, and a positioner device, expansion of a six-axis robot arm enables printing in a robot arm's free posture and moving a guide rail enables movable printing following an axis along the guide rail, an open motion space of the 3D printing robot is enlarged, a two-axis positioner allows achieving multiaxial 3D printing without support for complex metal structural components, reducing material costs, and simplifying post-processing. Simultaneously, linkage linear interpolation through a world coordinate system allows effective controlling printing accuracy and print accuracy and large-format dimensions and further achieving multiaxial 3D printing for large and complex metal structural components.SELECTED DRAWING: Figure 1

The invention discloses a single crystal turbine blade crystal orientation defect detection system based on adaptive optics, particularly relates to the field of nondestructive testing, and is used for solving the problem that thermal damage and signal consistency are difficult to consider in acoustic imaging of complex structural parts. Through partition energy threshold setting, dynamic pulse planning, photoacoustic processing and unified coordinate cross-subarea data synthesis, local thermal damage caused by excessive concentration of energy is effectively avoided in the material detection process, and the requirement for collecting high-bandwidth signals can be met in a large range. The signal-to-noise ratio and the detection efficiency are improved by regulating and controlling pulse energy and a scanning path, the amplitude comparability and the image coherence among regions are ensured through signal normalization correction and subregion image set splicing, high-resolution and comprehensive-coverage acoustic mapping is output, the crystal orientation defects of the single crystal turbine blade are positioned and evaluated, the detection precision is improved, the measurement period is shortened, and the method is suitable for large-scale popularization and application. And the method has an applicable value for aero-engine parts requiring rapid and high-precision nondestructive detection.

The invention discloses a burr polishing device for a high-strength automobile structural member, which belongs to the technical field of mechanical polishing and comprises a workbench and a workpiece, a machining table is arranged on the workbench, a motor and a liquid pipe are connected in the machining table, the output end of the motor is connected with a polishing head, and the burr polishing device further comprises a clamping mechanism and a detection mechanism which are arranged at the bottom of the machining table. In the polishing process, vibration transmission between the machining table and the machined part can be attenuated, chatter marks are reduced, and the surface smoothness is improved through elastic clamping of the second sliding block, the first sliding block and the third sliding block on the machined part, in the polishing process, the protruding degree of a polishing area is pre-detected through the detection block, and when the polishing head passes through the detection area subsequently, the polishing efficiency is improved. The rotating speed of the grinding head and the liquid spraying amount of the liquid pipe are adjusted through the transmission rod, self-adaptive automatic adjustment of the grinding head and the liquid pipe is achieved according to the pre-detection result of the machined part, and the grinding efficiency and the grinding work quality are guaranteed.

The invention provides a multi-order segmentation-based structural member linetype rapid identification method and system, and relates to the technical field of engineering structure intelligent detection, and the method comprises the steps: obtaining an original image of a structural member; performing coarse segmentation on the original image to generate an initial binary mask of the structural member; automatically screening out a target mask region containing a foreground prompt point through a connected domain analysis mode; calculating bounding box coordinate information of a bounding rectangle of the target mask region through a contour detection mode; extracting a corresponding target area sub-image from the original image; adopting a super-resolution reconstruction model to enhance the sub-image of the target area; performing sub-image division on the enhanced target area sub-image; fine segmentation is carried out on the sub-images, and a high-precision mask is determined; mapping the high-precision mask to an original image through coordinate mapping; and combining an edge detection algorithm to extract an outer contour line of the structural member to complete linetype identification of the structural member.

The invention discloses a high-temperature-irradiation-resistant zirconium alloy and a manufacturing method and a workpiece thereof, and belongs to the field of zirconium alloys. Wherein the zirconium alloy resistant to high temperature irradiation comprises the following components in percentage by weight: not less than 96% of Zr, 0.61%-1.4% of Sn, 0.41%-1.4% of Nb, 0.1%-0.5% of Fe, 0.11%-0.2% of O and 0.001%-0.3% of Cr; and from 0.015% to 0.03% of Si and / or from 0.001% to 0.06% of Ge; wherein Sn + Nb + O is greater than or equal to 1.5%, Fe / Cr is greater than or equal to 1.5%, Si + Ge is greater than or equal to 0.015%, and (Sn + Nb + O) / (Fe + Cr + Si + Ge) = 1.5-25.0. The alloy has good mechanical properties, corrosion resistance, creep resistance and radiation growth resistance, and is suitable for manufacturing of pressurized water reactor core structural members.

The invention discloses a multi-shaft fretting wear testing device for a hub bearing, which comprises an equipment rack, a hydraulic oil source system assembly, a temperature simulation environment box, a tool structure component and an auxiliary hoisting mechanism, and is characterized in that the temperature simulation environment box is mounted on the equipment rack, the tool structure component is used for mounting the hub bearing to be tested, and the auxiliary hoisting mechanism is mounted on the equipment rack; the tool structure component is installed in the temperature simulation environment box, the auxiliary hoisting mechanism is arranged above the temperature simulation environment box, and a radial load actuator, an axial load actuator and a swing actuator are arranged in the equipment rack. According to the multi-axis fretting wear testing device for the hub bearing, simulation of the environment temperature and application of loads in multiple directions can be effectively achieved, so that testing is achieved by applying swing actions.

The invention belongs to the field of intelligent manufacturing and engineering design, and particularly relates to an industrial fan structure optimization design method and system based on AI assistance. According to the method, structural components of an industrial fan are modeled into a multi-node topological structure, a dual-channel performance prediction model is constructed, and the mapping relation between the structure and the performance is accurately established. On the basis, a comprehensive objective function is constructed, a boundary penalty mechanism is introduced, a virtual input parameter space is constructed in combination with a structure disturbance sample, a strategy gradient optimization method is adopted to carry out structure search and iterative optimization, and finally a structure scheme meeting boundary conditions and optimal performance is screened out through simulation verification. The system module comprises structure modeling, model training, objective function construction, disturbance generation, optimization execution, simulation verification and result output, and has the advantages of high structure identification precision, high optimization efficiency, strong engineering adaptability and the like.

According to the same-shaft double-elevator door lock system and the elevators, by means of the physical position relation of an upper elevator car and a lower elevator car in an elevator shaft, collision mechanisms are arranged on the elevator cars and matched with travel switches of different projection planes, when any elevator car reaches a certain floor door area, a collision part of the elevator car can compress the corresponding travel switch of the floor, and therefore the elevator car is prevented from being collided; the door lock loop of the floor where the other lift car is located is bypassed, so that the door lock detection loops of the upper lift car and the lower lift car run independently completely, the safety requirement of relevant laws and regulations for elevator door locks is met, and it is ensured that the door lock states of the two lift cars do not interfere with each other; and the normal operation of the other lift car cannot be influenced by the door opening operation of one lift car. Besides, all structural components such as a travel switch and a landing door switch in the application adopt reliable design of electrical hard connection, and are all electrical safety devices, so that the overall reliability of the system is high, and the system is not easily influenced by factors such as electromagnetic interference.

A retrofitted bus featuring a progressive floor elevation system that gradually increases the height of modular flooring sections from front to rear, creating additional underfloor storage space and improving passenger visibility. The bus incorporates elevated passenger seating assemblies with rigid support structures and adjustable footrests for enhanced comfort and accessibility. The retrofitted stowage space may include insulation, climate control, and video monitoring systems. An engine safety cover, constructed from fire-resistant, thermally insulating, and structurally reinforced materials, integrates an extinguishing system for fire suppression. A swing-down egress mechanism at the rear of the bus serves as a structural component during normal operation and converts to an evacuation slide or stairs during emergencies.

The invention relates to the technical field of testing of structural components or equipment, in particular to a vehicle braking posture change measuring method and device and electronic equipment, and the method comprises the steps: generating a corresponding test task based on at least one preset measurement target under an AEB braking working condition; judging whether the current test site meets a preset test condition or not based on the test task; if the current test site meets the preset test condition, responding to the test task, using the AEB brake robot to control at least one test vehicle meeting the preset test condition to complete at least one preset measurement target, and obtaining multiple groups of measurement data of the test vehicle in the test process, and obtaining a braking posture change value of each test vehicle based on the multiple groups of measurement data and the test data of the test vehicles. Therefore, the technical problems that in the related technology, the influence of AEB intervention on the vehicle posture change is ignored, so that the comprehensiveness of vehicle safety development is poor, and the safety performance of the vehicle during braking is difficult to guarantee are solved.

The invention relates to a hydrostatic guideway and a manufacturing method thereof. The hydrostatic guideway mainly comprises four structural components, namely a supporting component, a linear shaft moving component, an oil way channel component and a connecting component. The manufacturing method of the static pressure guide rail comprises the steps that firstly, plastic pasting is conducted on the installation positions of the static pressure plates on the bottom face of the stand column, then the plastic pasting faces are scraped manually to improve contact precision and geometric precision, then the upper end faces and the lower end faces of all the static pressure plates are ground to be consistent in thickness on a grinding machine, and the height difference is within 0.002 mm; finally, the static pressure plate is connected to the stand column bottom through a torque wrench through screws, and manufacturing of the static pressure guide rail pair is completed. The invention has the following advantages: 1) the process of firstly pasting plastic and then scraping and grinding is relatively simple, and the machinability is strong; 2) the modular manufacturing cost of the components is low, and subsequent assembly debugging, maintenance and replacement are facilitated; and 3) the oil sealing edge and the guide rail surface of the lathe bed are grinding surfaces, the oil film thickness is uniform after floating, the hydrodynamic performance is close to the theoretical performance, and the problems of leakage of the oil sealing edge, non-uniform floating and the like in the traditional method are solved.

The invention relates to the technical field of concrete structure damage detection, in particular to a post-fire RC structure burst damage three-dimensional segmentation method, which comprises the following steps: firstly, determining the type and three-dimensional characteristics of post-fire RC structure member surface concrete burst damage, and constructing a corresponding three-dimensional point cloud data set for network training and verification; and then based on a KP-FCNN network structure, a KPConv layer is improved and optimized, so that the detection and segmentation precision is improved, the model size is reduced, the reasoning time is remarkably shortened, the optimal segmentation precision of 82.3% is achieved under the working conditions of different damage degrees, automatic damage segmentation of the burst damage of the concrete structure after the fire disaster is realized, and the automatic damage segmentation of the burst damage of the concrete structure after the fire disaster is realized. And technical support is provided for subsequent damage three-dimensional quantification and deployment to an unmanned aerial vehicle system.

The invention discloses structural part welding equipment for bridge engineering construction, and relates to the technical field of welding equipment. The structural part welding equipment for bridge engineering construction comprises a portal frame, a chute is formed in the top of the chute plate, the chute inclines upwards in the process of being away from the portal frame, a supporting plate is slidably mounted at the chute of the chute plate, and the top of the supporting plate is a plane. When the positioning mechanism positions the plate and applies pressure to the plate obliquely and downwards, the bottom of the plate is tightly attached to the top of the supporting plate, and when the plate tends to slide relative to the supporting plate due to inertia of the plate or contact between the plates in the movement process, the friction force between the supporting plate and the plate can be reduced to the maximum degree. And the supporting plate tends to slide in a chute of the chute plate, so that the supporting plate applies pressure to the plate upwards, and the movement of the plate is limited in cooperation with obliquely downward pressure application of the positioning mechanism.

A retrofitted bus featuring a progressive floor elevation system that gradually increases the height of modular flooring sections from front to rear, creating additional underfloor storage space and improving passenger visibility. The bus incorporates elevated passenger seating assemblies with rigid support structures and adjustable footrests for enhanced comfort and accessibility. The retrofitted stowage space may include insulation, climate control, and video monitoring systems. An engine safety cover, constructed from fire-resistant, thermally insulating, and structurally reinforced materials, integrates an extinguishing system for fire suppression. A swing-down egress mechanism at the rear of the bus serves as a structural component during normal operation and converts to an evacuation slide or stairs during emergencies.

The invention discloses a method for rapidly evaluating the safety of a structure after a bridge fire, and the method comprises the steps: obtaining an air temperature, flue gas speed distribution, air pressure distribution and a flame flue gas image through simulating a fire scene; the method comprises the following steps: when simulating that a fire enters a fire quasi-steady-state stage, obtaining a fire smoke image for completely describing a dynamic change process of thermal plume and a smoke speed distribution image and an air pressure distribution image above a fire source, and forming a training sample; constructing a long and short term memory network model; training the model; shooting a flame smoke image of a fire scene, inputting the flame smoke image into the trained long-short term memory network model, and outputting a smoke speed distribution image; calculating a final fire source heat release rate according to the flame smoke image and the smoke speed distribution image; the average temperature of the components in the cable at different moments is calculated; according to the average temperature of the components in the cable at different moments, whether the structural components lose efficacy or not is judged. According to the invention, the monitoring accuracy and timeliness are improved.

A deck with improved construction components and methods may feature weather and UV resistant components which intermesh with each other in forming the finished deck product. The components, when assembled, will also feature a water diversion system that will direct water that falls on the deck surface, whether through precipitation or for cleaning purposes, and direct said water away from the foundation of the deck and the foundation of associated building. The diversion system features two tiers, an upper tier formed primarily from deck plank troughs (310) and wall transition planks troughs (630) and a lower tier formed from mullion troughs (410) and edge cap troughs (510) all in fluid communication with water ejection spouts (720).

The invention belongs to the technical field of material science, and relates to a generation method of a material formula, a target material, an automobile structural part, a vehicle, a device, a medium and electronic equipment. The method comprises the following steps: acquiring target performance data of a target material to be prepared; and inputting the target performance data into a pre-trained material large model, so that the material large model outputs formula data for preparing the target material and corresponding process data. The formula data and the process data of the preparation method are reversely deduced according to the target performance data required by the target material by utilizing the large material model, the large model is introduced into the field of material science, and the generation method of the reverse material formula realizing'target performance driving 'is provided without relying on a large number of manual experiment trials and errors; and the advantages of strong generalization ability and reasoning ability of the large material model are exerted, so that the research and development efficiency and success rate of new materials are improved, and the application scenarios of the large material model are enriched.

The invention relates to the technical field of computer hard disk fixing, in particular to a computer hard disk physical protection device based on impact absorption and a notebook computer, the computer hard disk physical protection device is used for installing a hard disk in a computer hard disk installation bin and is composed of a fixed frame connected with the installation bin and a movable frame connected with the hard disk, and the movable frame comprises an elastic connecting plate and a fixed connecting plate; the elastic connecting plate is elastically connected with the fixing frame, the fixed connecting plate is rigidly connected with the hard disk, an overload protection mechanism is arranged between the elastic connecting plate and the fixed connecting plate, when normal, the elastic connection of the elastic connecting plate and the fixing frame can effectively damp the hard disk under conventional impact, and damping structural components are reduced through matching of the positioning pin and the notch; when the movable frame bears a load hyperelastic threshold value, the overload protection mechanism is triggered, a force transmission path between the elastic connecting plate and the fixed connecting plate is cut off, unattenuated impact energy is prevented from being transmitted to the hard disk through a rigid component, mechanical damage or data loss caused by overload impact of the hard disk is effectively avoided, and the safety and stability of the hard disk are improved.

The steel machining rolling mill relates to the technical field of rolling mills and comprises a rolling mill frame body, a lower rolling set and an upper rolling set, rotating rods are arranged at the two ends of an opening in the front side of the rolling mill frame body, mounting grooves are formed in the surfaces of rod bodies of the rotating rods, and a cooling liquid box and a lubricating liquid box are fixedly mounted in groove cavities of the two mounting grooves correspondingly; spur gears are fixedly installed at one ends of the rotating rods, racks are arranged in clamping cavities of the two spur gears, the racks are meshed with the spur gears on the two sides at the same time, and a driving assembly is connected to one side of each rack. By arranging the cooling liquid box, the lubricating liquid box and the spraying head, structural components of the upper rolling set and the lower rolling set can be cooled and lubricated, and the situation that the service life is shortened due to the fact that the temperature is too high in the operation process and abrasion of the components is accelerated due to lack of lubrication is avoided; the driving assembly enables structural components of the upper rolling set and the lower rolling set to evenly receive cooling liquid and lubricating liquid.

The invention discloses a method, a device, equipment, a medium and a product for calculating carbon emission of a steel structural component, and the method comprises the steps: carrying out the data monitoring and collection of a prefabrication process of each steel structural component, so as to obtain energy consumption data, material consumption data and environment CO2 concentration dynamic change data; calculating the unorganized dissipation amount of the greenhouse gas according to the dynamic change data of the CO2 concentration of the environment; according to the energy consumption data, the material consumption data and the unorganized greenhouse gas dissipation amount, calculating the carbon emission of each steel structural member prefabricating process and the carbon emission of a workshop sharing project; and adding the carbon emission of the prefabrication process and the carbon emission of the workshop sharing project to obtain the carbon emission of each steel structural member in the prefabrication process. According to the method, all energy and material consumption generated due to component prefabrication requirements in the steel component prefabrication stage, carbon emission of workshop shared projects and carbon emission caused by unorganized greenhouse gas dissipation are considered, and therefore the accuracy of calculation of the carbon emission of the steel structural component can be effectively improved.