183 results about "Industrial construction" patented technology

The invention provides a house waterproof maintenance system based on an intelligent detection and self-repairing technology, and the system comprises an intelligent sensing layer which is used for collecting multi-dimensional physical parameters of building waterproof key nodes in real time; the edge calculation analysis layer is used for performing fusion analysis and risk prediction on the perception data; the dynamic self-repairing execution layer is used for triggering a multi-stage repairing mechanism according to an analysis result; the cloud management layer is used for realizing visual management and control and strategy optimization of the whole system, and relates to the technical field of building waterproofing, the building state is monitored in real time through a multi-mode sensing network, water leakage risk prediction is realized in combination with an edge calculation algorithm, and collaborative repair of a microcapsule repair agent, a shape memory alloy grid and an electrodialysis module is triggered; the system remarkably improves the timeliness and reliability of waterproof maintenance, reduces the manual intervention cost, and is suitable for intelligent maintenance of residential buildings, industrial buildings and historical protection buildings.

The invention relates to the field of artificial intelligence, in particular to an artificial intelligence implementation scheme of a wall building robot. The robot is used for wall engineering of civil buildings and industrial buildings and is the general trend of scientific and technological development. The intelligent wall building robot cannot leave artificial intelligence. Application of artificial intelligence to the wall building robot belongs to emerging frontier science and technology. The invention provides a complete and systematic solution for applying artificial intelligence to the wall building robot, so that the wall building robot can complete wall building intelligently, independently, high-quality and high-efficiency without manual cooperation, 'complicated, dangerous, dirty and heavy 'manual operation of wall engineering is avoided, and the social benefit and the economic benefit are remarkable.

The invention discloses an installation construction method of a large-scale equipment steel structure inclined base plane array type panel, which comprises the following working steps of panel finished product precision compounding, steel structure main body original axis net calculation and fixed point paying-off, steel structure inclined base plane flatness detection and correction theory axis net calculation. The method comprises the steps of modular design, machining, mounting and rechecking of a leveling gasket, machining, mounting and rechecking of a supporting base plate, theoretical axis net calculation of a panel bolt, fine adjustment of a panel, spot welding, tool dismounting and full welding and rechecking of the panel. The method can be used for civil and industrial buildings, and a triple-axis net reference system with a normal vector as a main body framework provides important data support for panel installation and rechecking; dependence on hoisting equipment during installation and construction of the steel structure inclined base area array type panel of large equipment is eliminated, the construction accuracy is improved, manpower, material resources and time input are reduced, the construction cost is effectively reduced, and the construction efficiency is improved.

An industrial heritage building high side window reconstruction multi-objective optimization method based on lighting and energy saving comprises the following specific steps: S1, setting an optimization objective and an optimization variable, and calculating and analyzing the optimization objective by establishing a building model to judge the rationality of the optimization variable so as to perform optimization variable range constraint; s2, performing multi-objective optimization programming on a Grasshopper platform by adopting a Wallacei plug-in according to the optimization objective and optimization variable range constraint in the step S1, obtaining a lighting and energy-saving-based industrial building high side window transformation multi-objective optimization solution set, and obtaining an optimal solution according to an average optimization objective weight; s3, weighting optimization targets on the basis of an entropy method, and performing priority weighting on the schemes in the scheme set in the step S2 according to the optimization targets on the basis of an analytic hierarchy process; and S4, performing comprehensive calculation on the weighting value of the optimization target and the priority weighting value of the scheme to obtain a comprehensive priority weighting value of the scheme, and recommending an optimal solution according to the maximum value of the comprehensive priority weighting value.

The utility model relates to the technical field of civil and industrial buildings, and discloses an adjacent double-column expansion joint self-adaptive integrated formwork device which comprises two column formworks, a supporting assembly and square and round buckles, the supporting assembly is located on the inner sides of the two column formworks, and the square and round buckles are located on the outer surfaces of the two column formworks; the supporting assembly comprises an opposite-pull rod, longitudinal supporting rods are arranged on the two sides of the opposite-pull rod respectively, the two longitudinal supporting rods are connected with a force transmission piece, and an opposite-pull sleeve connected with the opposite-pull rod is arranged on the inner side of the force transmission piece. The square and round buckle comprises a frame, and the frame is fixed to the outer surface of the column formwork. According to the adjacent double-column expansion joint self-adaption integrated formwork device, the problems that a traditional expansion joint formwork is difficult to mount and dismount, poor in construction quality and incapable of being repeatedly used are solved by means of the supporting assembly and the square and round buckles, the expansion joint formwork supporting device is high in universality, the construction cost is greatly saved, and the rigidity of supporting of an expansion joint inner formwork can be improved.

The invention discloses a novel acrylonitrile copolymer flame-retardant material and a preparation method thereof, and relates to the technical field of functionalized polyacrylonitrile. According to the invention, acrylonitrile and a specific alkenyl silicon-containing monomer are used as copolymerization components, and free radical copolymerization reaction is carried out in an initiator and organic solvent system to prepare the flame-retardant material. The selected alkenyl silicon-containing monomer has both unsaturated double bonds and silicon-containing groups, and can be efficiently copolymerized with acrylonitrile and graft the silicon-containing groups to polymer chain segments, so that the material is endowed with excellent thermal stability, flame retardance and hydrophobic property, and the defects of flammability and strong hydrophilicity of a pure acrylonitrile material are overcome. The preparation process is simple and mild, reaction conditions are easy to control, complex equipment is not needed, industrial production is facilitated, and the copolymer is balanced in comprehensive performance, can be widely applied to the fields of clothing spinning, industrial building, special equipment and the like, and has outstanding practical value and market prospect.

The invention relates to a design method for vibration reduction and reinforcement of a building structure, belongs to the technical field of vibration reduction and reinforcement design, and solves the problem that in the prior art, an existing design method must depend on the dynamic load of mechanical equipment when an industrial building vibration reduction and reinforcement scheme is verified. Establishing a finite element model based on the target building structure design scheme and the vibration reduction and reinforcement design scheme; calculating a first simulation vibration response of the key point location and a second simulation vibration response of the contact point location based on a finite element model; based on the first simulation vibration response and the second simulation vibration response, calculating a first simulation vibration transfer ratio under the vibration reduction and reinforcement structure; obtaining a first actual measurement vibration response of the contact point location in the actual measurement environment, and obtaining a first vibration response of the key point location based on the first actual measurement vibration response and the first simulation vibration transfer ratio; and if the first vibration response meets the comfort level control standard limit value limited in the engineering requirement, the current vibration reduction and reinforcement structure serves as the final vibration reduction and reinforcement structure. According to the verification method, the dynamic load of the mechanical equipment does not need to be determined, and the structural vibration response of the industrial building under the action of the vibration source of the mechanical equipment and the vibration reduction and reinforcement structure can be calculated.

The invention discloses an industrial building frame structure design method based on artificial intelligence. The method comprises the following steps: a, establishing an industrial building frame structure design scheme database; b, inputting constraint conditions through a man-machine interaction platform; c, based on an artificial intelligence generative algorithm, an initial structure arrangement scheme is generated according to input constraint conditions, and automatic checking is carried out to solve the problem of collision between structural members and professional equipment; d, calling structure analysis software to verify the initial structure arrangement scheme; e, the structure engineer evaluates and analyzes the structure arrangement scheme and the calculation result, confirms the feasibility of the structure arrangement, and generates a three-dimensional structure model and a two-dimensional construction drawing based on the BIM technology; and f, performing artificial detail supplement on the construction drawing, and outputting a final construction blueprint. Structural arrangement, verification and optimization processes are automatically completed by an artificial intelligence analysis processing system, so that the labor cost is reduced, the design time is saved, and the project design period is shortened.

The invention discloses a carbon emission reduction intelligent decision-making auxiliary management method and system, and relates to the technical field of carbon emission reduction. The method comprises the steps of collecting carbon emission associated data, constructing an integrated sensing trusted data chain, performing multi-dimensional associated carbon twinning modeling based on the integrated sensing trusted data chain, constructing a multi-drive carbon twinning body, embedding a multi-factor time sequence constraint scene in the multi-drive carbon twinning body, outputting predicted carbon emission data, and performing multi-dimensional associated carbon twinning modeling based on the predicted carbon emission data. According to the method, collaborative autonomous optimization is carried out through an autonomous carbon management agent alliance, a multi-dimensional adaptive carbon emission reduction collaborative decision is generated, the multi-dimensional adaptive carbon emission reduction collaborative decision is fed back to a multi-drive carbon twin, the carbon economy influence during execution of the carbon emission reduction collaborative decision is automatically calculated, and decision-cost adaptive real-time calibration is carried out. The method can achieve the conversion of carbon emission reduction management from passive response to active optimization, improves the management efficiency and adaptability, and is suitable for the carbon emission reduction management of multiple scenes, such as industry, building, traffic and the like.

The invention relates to the technical field of constructional engineering detection, in particular to a prefabricated industrial building outer wall joint leakage detection method and device, and the method comprises the steps: obtaining a multi-frame thermal infrared image and a reflection signal of a high-frequency sound wave before and after water spraying of a prefabricated industrial building outer wall; the seam leakage presentation degree of any position is determined; clustering the positions according to the seam leakage presentation degree and the coordinate position of any position to obtain a plurality of density clusters; according to the density cluster area of the leakage area in the thermal infrared image of each frame, the temperature mean value of the leakage area and the geometric center of the density cluster, the environment temperature and the environment humidity near the outer wall of the current frame and the height of the leakage area of the current frame in the outer wall, the final permeation strength of the leakage area in each frame is determined; and taking the geometric center of each leakage area in the initial frame as a leakage point location of the leakage area. According to the invention, the accuracy of the detection result of the joint leakage detection of the building outer wall is improved.

The utility model relates to a multifunctional air conditioner for an industrial building. A rack forms a closed structure through a plurality of side plates arranged around the rack; outdoor fresh air can enter the machine frame through the outdoor air inlet, is filtered through the bag type filter, is preheated or precooled through the energy recovery heat exchanger, and is blown out from the indoor air outlet under the action of the first fan. Indoor air can enter the rack through the indoor air inlet and is exhausted through the outdoor air outlet, so that indoor contaminated air is exhausted outwards; indoor air can also enter the rack from the indoor air inlet, the air return valve is opened, the indoor air is blown out from the indoor air outlet after passing through the energy recovery heat exchanger and the first fan, and indoor air circulation is achieved. Outdoor fresh air introduction, indoor vitiated air discharge and indoor air circulation are integrated in the rack, different functions are achieved according to requirements, the equipment integration degree is high, space utilization is reasonable, and operation and maintenance are convenient.

The present invention relates to a spatial carbon emission monitoring method, system, medium and equipment, which adopts automatic monitoring means such as remote sensing and radar, integrates multiple data sources such as spectral information, radar detectors, and process parameters, and can fully perceive the carbon emission status inside industrial buildings, and can realize real-time collection and dynamic monitoring of spatial carbon emissions of industrial buildings, instead of relying on manual records and data reporting, reducing the problems of time lag and missing edge data. Through deep learning technologies such as kernel PCA, ICA, neural networks, etc., more effective data features can be extracted from multidimensional features, making the predicted carbon emissions more accurate, thereby improving the accuracy of monitoring. By integrating monitoring data into the BIM model, the visual presentation of carbon emission information is realized, which is convenient for managers to grasp and analyze the carbon emission dynamics of industrial buildings in a timely manner.

The utility model belongs to building industrialization technical field especially, and it is a kind of assembly and decoration integration light steel structure self-supporting integrated box type floor slab, it is characterized in that, including light steel frame, the group of few Chinese characters keel that is arranged in the internal cavity of this light steel frame, the upper integrated decorative cover plate that is covered in the outside upper of light steel frame, the lower integrated decorative cover plate that is covered in the outside lower of light steel frame, the heat preservation sound insulation board or extruded sheet that is set in the lower integrated decorative cover plate, the heat preservation sound insulation board that is set in the upper integrated decorative cover plate, the steel bearing plate that is set in the upper light steel frame.The utility model forms closed box body by cold-formed steel frame and double-layer cover plate, integrates heat preservation sound insulation layer inside, realizes 100% factory prefabrication, and this floor slab adapts robot automatic production, has the advantages such as light weight, high strength, energy saving, fast installation, is applicable to prefabricated building and green low-carbon building, civil building and industrial building.

The present utility model relates to a connector for photovoltaic windows which is designed to transmit the electrical energy generated by a photovoltaic glass sheet installed in a window pane to the frame, thereby allowing it to be integrated into the electrical grid of the building. The connector consists of flexible conductors embedded in the window joint, which is an electrical contact system between the pane and the frame, having an insulating sleeve. The main advantages include its ease of installation, durability, energy efficiency and aesthetic design, ensuring discrete integration without affecting the functionality of the window. The invention can be used for residential, commercial and industrial buildings seeking to efficiently harness solar energy.

The utility model relates to a wall surface metal plate mounting system which comprises a keel assembly fixed to a wall surface, the side, away from the wall surface, of the keel assembly is a mounting surface, a plurality of clamping pieces are arranged on the mounting surface, the side, away from the mounting surface, of each clamping piece is provided with a clamping groove penetrating in the vertical direction, all the clamping pieces are divided into a plurality of sets, and all the sets are arranged in the horizontal direction. The clamping pieces in the sets are sequentially arranged in the vertical direction, the clamping grooves of the clamping pieces in the sets are combined to form an assembly interval, a clamping structure matched with the assembly interval is arranged on one side of the metal plate, the extending direction of the clamping structure is consistent with that of the clamping grooves, the clamping structure is clamped in the assembly interval in a vertical inserting mode during installation, and therefore rapid positioning and stable fixing are achieved. According to the wall surface metal plate installation system, due to the fact that the clamping piece grouping arrangement and clamping assembly structure is adopted, the problems that in a traditional installation mode, abutted seams are rough, construction is complex, and gluing treatment is needed are effectively solved, and then the technical effects that metal plates are rapidly assembled, tight in splicing, attractive in appearance and suitable for standardized industrial construction are achieved.

The utility model discloses an ice storage air-conditioning system which comprises a refrigeration host (1), a freezing pump (2), an ice melting pump (3), a heat exchanger (6), an ice storage device (7), an electric valve V1 (4) and an electric valve V2 (5), and is characterized in that an inlet of the refrigeration host (1) is connected with an outlet of the freezing pump (2); an outlet of the refrigeration host (1) is divided into two paths through a branch pipeline, one path is connected with an inlet of the V2 electric valve (5), and the other path is connected with a port A of the ice storage device (7); and an inlet of the freezing pump (2) is connected with a primary side outlet of the heat exchanger (6), an inlet of the ice melting pump (3) and an outlet of the V1 electric valve (4). By optimizing the pipeline layout and arranging the independent ice melting pump, five operation working condition modes of ice-making cold storage, ice melting cold supply, refrigeration cold supply, combined cold supply and ice-making and cold supply can be achieved only through two electric valves. The system structure is simplified, energy consumption and control complexity are reduced, and the system is suitable for commercial and industrial buildings and has remarkable economical efficiency and popularization value.

A method for monitoring the integrated molding of corundum concrete flooring in industrial building frames, belonging to the field of construction monitoring technology, includes: constructing a wireless topology network within the building monitoring area to collect global monitoring data; setting up high-density monitoring modules in specific areas of the building monitoring area to collect local monitoring data; adding vibration feedback acquisition units to beam-column joints within the building monitoring area to monitor the vibration energy distribution of these joints in real time and output joint vibration data; preprocessing and fusing the global monitoring data, local monitoring data, and joint vibration data to generate correction feedback data for the building monitoring area; and adjusting the corundum process parameters within the building monitoring area based on the correction feedback data. The wireless topology network is constructed from multiple sensors, and both the global and local monitoring data include the concrete's vibration value, temperature, and initial setting state.

The utility model discloses a deluge valve group for a water filling system, and relates to the technical field of fire fighting equipment. Comprising a valve body, a control pipeline, an alarm pipeline and an overflow pipe, a water inlet cavity, a water outlet cavity and a control cavity are formed in the valve body, a valve clack assembly is further arranged in the valve body and separates the water inlet cavity from the water outlet cavity, the control pipeline comprises a pressure supply control pipeline and a pressure relief control pipeline, one end of the pressure supply control pipeline is communicated with the control cavity, and the other end of the pressure relief control pipeline is communicated with a water supply pipeline. One end of the pressure relief control pipeline is communicated with the control cavity, the other end of the pressure relief control pipeline is communicated with the water drainage pipeline, the alarm pipeline is communicated with the water inlet cavity and the water outlet cavity through branch pipes, the height of the center line of the branch pipes of the overflow pipe is larger than that of the center line of the deluge pipeline, and the height of the center line of the branch pipes is smaller than that of the center line of the alarm pipeline. And the valve body, the control pipeline and the deluge pipeline are filled with water. The deluge valve group can meet the deluge fire-fighting requirements of industrial buildings which are flammable and explosive and can rapidly restrain fire spreading.

1. Name of the design product: Mini valve (vertical 90°). 2. Use of the design product: Used for controlling the on-off or flow regulation of fluid in the pipe with 90-degree direction, widely used in industrial, construction, municipal and other fields. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The utility model discloses a special gas plant color steel roof structure, which comprises a support frame, a top plate, a top plate, a top plate, a top plate and a bottom plate, and is characterized in that the top plate is fixedly connected with the top of the support frame; the two sides of the top plate are fixedly connected with color steel plates correspondingly, and the color steel plates are obliquely arranged on the two sides of the top plate. The supporting frame comprises a plurality of longitudinal plates arranged in the length direction of the top plate, each longitudinal plate is fixedly connected with a plurality of first supporting plates, the transverse plates are fixedly connected to the bottoms of the longitudinal plates at equal intervals, each transverse plate is fixedly connected with a second supporting plate, and the ends, away from the transverse plates, of the second supporting plates are fixedly connected to the color steel plate. According to the roof structure, the roof can bear heavier load, so that the whole roof system is simple and practical, and the comprehensive requirements of modern industrial buildings on weather resistance, stability and economical efficiency are met.

The invention provides a multi-layer composite wall and a building structure, and relates to the field of buildings. The device comprises a contraction piezoelectric strip, a phase change energy storage layer and an expansion piezoelectric strip which are sequentially arranged from the middle to the two sides. The phase change energy storage layer is used for extruding the contraction piezoelectric strip or the expansion piezoelectric strip through deformation generated by heat absorption and release due to temperature difference, so that the contraction piezoelectric strip or the expansion piezoelectric strip generates electric energy; the phase change energy storage layers located on the two sides of the contraction piezoelectric strips are symmetrically arranged, and the expansion piezoelectric strips located on the two sides of the phase change energy storage layers are symmetrically arranged. According to the wall and the system, efficient heat preservation, heat insulation and passive power generation functions are cooperatively achieved through a heat energy-mechanical energy-electric energy conversion path, and the wall and the system are suitable for various civil and industrial buildings.

The invention relates to the technical field of building energy consumption monitoring, and discloses an industrial building operation stage energy consumption monitoring system and method.The system comprises a data acquisition layer, a data processing and storage layer, an energy consumption analysis layer and an application layer which are electrically connected in sequence; the data acquisition layer acquires total energy consumption, environmental parameters and production activity data, the processing layer realizes data cleaning, quality closed-loop management and space-time alignment storage, the analysis layer constructs a dynamic energy consumption reference model containing an equipment aging coefficient, calculates a two-dimensional production intensity coefficient, completes energy consumption double-layer decomposition and normalized energy efficiency evaluation, and performs energy consumption analysis and energy efficiency evaluation. The application layer realizes multi-dimensional visualization, intelligent report generation and graded alarm. The method is executed according to the steps of data acquisition, processing, modeling, coefficient calculation, energy consumption decomposition, energy efficiency evaluation and application display. According to the method, the problems of energy consumption and production coupling deficiency, reference static state and the like are solved, objective energy efficiency evaluation and accurate energy consumption positioning are realized, and support is provided for industrial building energy saving.

An assembly type low-rise building system based on modular design comprises a design module, a supply module and a construction module, and is characterized in that the design module adopts a 600mm basic modulus to set a building main body, building materials and building nodes, and the building main body, the building materials and the building nodes form a multiple relation with the 600mm basic modulus; the design module is used for generating an overall building scheme and generating a bill of materials based on a 600mm basic modulus, the supply module is used for generating a production order and providing a logistics plan based on the bill of materials, and the construction module is used for performing field assembly according to the overall building scheme; compared with the prior art, through the design of the design module, the supply module and the construction module, linkage of building design, structural design, a production process and current assembly is achieved, and an efficient, environment-friendly and low-cost low-rise building industrial construction path is achieved.

The invention discloses a composite aircraft detection system for industrial flaw detection, the composite aircraft detection system comprises a composite aircraft and a ground station, the composite aircraft is used for receiving the control of the ground station, carrying out close-range reconnaissance by flying against an industrial building, and wirelessly sending a collected building image to the ground station; wherein the ground station is used for wirelessly transmitting a control signal to the composite aircraft, receiving a building image from the composite aircraft, and analyzing the building image to obtain a damage result of the industrial building. Aiming at the problems of intensive labor, lack of a multi-scene effective detection scheme and the like in industrial flaw detection, the invention organically combines a composite aircraft technology, an image processing technology and various detection requirements, realizes high universality and high intelligence of industrial detection, and has a wide application prospect.

The invention is suitable for the field of silo construction, and particularly relates to a 3D printing disassembly-free formwork silo structure and a construction method thereof, and the 3D printing disassembly-free formwork silo structure comprises disassembly-free formworks manufactured by adopting a layer-by-layer stacking on-site printing process, a reinforcement cage and concrete; the non-dismantling formwork is divided into an inner layer and an outer layer, a pouring interlayer used for containing a plurality of reinforcement cages is formed between the two layers of non-dismantling formwork, and formwork reinforcing ribs are arranged on the non-dismantling formwork in an integrated printing mode; and concrete is poured in the pouring interlayer, and the concrete is combined with the multiple reinforcement cages to form the whole silo wall body. The 3D printing technology is introduced into the field of silo structure construction, silo concrete continuous pouring is achieved, the perpendicularity of the formwork is effectively controlled, the concrete forming quality is guaranteed, the silo construction quality and efficiency are improved, and the silo industrial construction level is promoted to be improved; the technical problems that in the existing silo slip-form construction process, the concrete surface is uneven, quality defects are prone to being generated at formwork abutted seams, and the concrete forming quality is difficult to accurately control are solved.

The utility model discloses a fiber reinforced plastic (FRP) composite pipe, which comprises an FRP pipe and an adhesion layer adhered on the inner wall of the FRP pipe, and a steel wire is arranged between the FRP pipe and the adhesion layer. Wherein the tensile strength of the steel wire is greater than or equal to 1400 MPa. The FRP composite pipe provided by the utility model has excellent lateral pressure resistance, material ductility, circumferential tensile strength and the like, has good adhesive property with concrete, and is suitable for being used as a permanent template in road facilities, bridges, tunnels, industrial buildings, civil buildings and the like. Meanwhile, the FRP composite pipe also has excellent corrosion resistance, can effectively resist air, moisture, chloride ion permeation and the like, and is also suitable for being applied to a marine environment concrete structure.

The disclosed urban rail transit thin-wall mixed U-shaped beam industrial construction method and construction system carries out the construction of U-shaped beam beam manufacturing pedestal and beam storage tensioning pedestal in the site; carries out the U-shaped beam steel bar binding and the installation of the prestressed steel bundle on the U-shaped beam mold frame, and hoists the U-shaped beam steel cage to the beam manufacturing pedestal through a hanger; after the U-shaped beam steel cage is positioned, the embedded part, the U-shaped beam inner mold and the support system are installed; the thin-wall mixed U-shaped beam structure is optimized; the first tensioning prestressed bundle is constructed; the beam body concrete is poured; the first tensioning prestressed bundle is released and cut; the two U-shaped beams are respectively hoisted to the beam storage tensioning pedestal by using a gantry crane; the second tensioning prestressed bundle is constructed; the hole is grouted and sealed; after the overall operation is completed, the quartz sand is discharged through the steel sand box sand discharge hole, so that the U-shaped beam is lowered to the concrete base of the beam storage tensioning pedestal. The present application comprehensively and systematically solves the problems of large waste of original technical resources and low production efficiency.

Energy consumption control system in an industrial building (10) comprising rooms (11a-11c) incorporating temperature control devices (12a-12c), and / or process stations (13a-13b); - electrical energy sources (14a-14c); - thermal energy generation means (15a-15c) providing a quantity of thermal energy (Qet); and - a distribution network (16) of the thermal energy to the various control devices (12a-12c) and / or process stations (13a-13b). The control system comprises an intelligent management module (20) for planning the generation and distribution of the quantity of thermal energy (Qet) taking into account a key criterion. Figure for the abstract: Figure 2.

The application provides a municipal industrial construction engineering material carrying device and relates to the technical field of construction engineering. The device comprises a connecting mechanism, a relay mechanism, a tensioning mechanism and a telescopic mechanism. The telescopic mechanism comprises a containing shell, an external sleeve shell fixedly sleeved in the containing shell, an intermediate sleeve shell slidably sleeved in the external sleeve shell, an internal sleeve shell slidably sleeved in the intermediate sleeve shell, an intermediate electromagnetic box and an external electromagnetic box fixedly arranged at the lower end surfaces of the intermediate sleeve shell and the external sleeve shell respectively, a plurality of forward excitation coils and a plurality of reverse excitation coils fixedly arranged at equal intervals in the intermediate electromagnetic box and the external electromagnetic box, and metal rods movably arranged at positions close to the plurality of forward excitation coils and the plurality of reverse excitation coils in the intermediate electromagnetic box and the external electromagnetic box. The range distance of controllable extension hoisting is controlled, so that the problem of hoisting and assembling components outside the rotating range of the tower crane jib is solved.

The invention discloses an oily graphene anti-corrosion coating as well as a preparation method and application thereof, and belongs to the crossing field of anti-corrosion coatings and nano material dispersion technologies. The oily graphene anticorrosive paint comprises the following raw materials in percentage by mass: 20%-70% of an oily resin matrix, 0.1%-3% of graphene, 5%-25% of a dispersing agent, 15%-40% of a solvent and 5%-60% of a curing agent, wherein the oleoresin matrix is one of bisphenol A epoxy resin, fluorocarbon resin and phenolic resin. The graphene slurry prepared by the invention has super-long storage stability; the room-temperature storage period of the slurry is more than or equal to 30 days (particle suspension rate gt; and the salt spray resistance life of the modified coating is more than or equal to 4900 hours, and is obviously prolonged compared with that of the traditional oil paint (3000 hours). Modifying a coating charge transfer resistance (Rct) gt; and 6.0 * 10 < 8 > omega.cm < 2 >. The coating realizes double breakthrough in cost and environmental protection property: the addition amount of graphene is 0.1%-3%, and VOC emission is controlled to be 50-80 g / L. The coating can be applied to protection of energy infrastructures, ocean engineering and heavy equipment, industrial building structures and the like.