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30 results about "Lattice tower" patented technology

A lattice tower or truss tower is a freestanding framework tower.They can be used as electricity transmission towers especially for voltages above 100 kilovolts, as a radio tower (a self-radiating tower or as a carrier for aerials) or as an observation tower.. Before 1940, they were used as radio transmission towers especially for short and medium wave, occasionally lattice towers consisting ...

Lattice tower rod piece missing detection method based on three-dimensional reconstruction

The invention belongs to the technical field of lattice tower structure health detection, and relates to a lattice tower rod piece missing intelligent detection method based on multi-view three-dimensional reconstruction. According to the method, an adaptive feature matching algorithm fusing geometric features and texture descriptors is provided, camera pose estimation is optimized by constructing a global depth consistency scoring mechanism, and high-precision sparse point cloud reconstruction is realized; designing a depth map optimization strategy based on energy minimization, and effectively overcoming the interference of complex illumination and a low-texture environment on three-dimensional reconstruction in combination with density threshold filtering and geometric structure feature analysis; an ordered / disordered point cloud adaptive noise reduction method is innovatively provided, and noise robustness processing is realized through gradient constraint and covariance matrix eigenvalue analysis; and finally, an improved neighborhood radius adaptive registration algorithm is adopted, and a rod piece missing region is accurately identified through a significance scoring mechanism. The method remarkably improves the automation level and reliability of rod piece missing detection, and can be widely applied to structural health detection of the lattice tower.
Owner:DALIAN UNIV OF TECH

Improved genetic algorithm-based fan lattice type tower optimization design system and method

The invention discloses a fan lattice tower optimization design system and method based on an improved genetic algorithm, and the system comprises a parameter input module which is used for receiving and preprocessing tower design parameters; the population initialization module is used for randomly generating a population and adapting to the change of the overall structure layer number of the tower by adopting a variable-length coding strategy; the finite element modeling and analysis module is used for constructing a parameterized finite element model for individuals of each population based on a finite element platform and performing finite element analysis; the algorithm optimization module is used for calculating the total cost and penalty term of each individual, and then taking the total cost of the tower as an optimization target, and using an improved genetic algorithm to complete optimization iteration; and the result output module is used for outputting an optimal individual parameter and a total cost optimal value when optimization iteration reaches the maximum evolutionary algebra or meets a convergence condition. The manufacturing cost of the tower can be remarkably reduced on the premise that constraint conditions such as strength, stability and frequency are met.
Owner:GUANGDONG MINGYANG WIND POWER IND GRP CO LTD

Segmented staggered wind power lattice type tower

The invention discloses a segmented staggered wind power lattice type tower which comprises a steel tower drum, conversion nodes and a lattice type tower body, the lattice type tower body comprises a lattice type tower body upper section and a lattice type tower body lower section, the lattice type tower body upper section is located in the range above a blade tip, and the lattice type tower body lower section is located in the range below the blade tip; the lower end of the lattice type tower upper section is inserted into the lattice type tower lower section, the lattice type tower upper section and the lattice type tower lower section are connected through a conversion web member, and the lattice type tower upper section and the lattice type tower lower section are arranged in a rotating and staggered mode. The lattice type tower body is divided into the upper section and the lower section which are arranged in a staggered mode, so that the section of the tower body can be rapidly expanded below the blade tip, the bearing efficiency is improved, meanwhile, non-through tower columns provide conditions for applying prestress of different levels in a segmented mode, the section of the upper section of the tower body is small, large prestress is needed, and the section of the lower section of the tower body is large. Only small prestress is needed, the prestress is applied according to needs, and meanwhile the material consumption of the prestress cable and the tower column is saved.
Owner:CHINA INST OF BUILDING STANDARD DESIGN & RES

Five-way structure, conversion section connecting structure comprising five-way structure and lattice type tower comprising five-way structure

The utility model discloses a five-way structure, a conversion section connecting structure comprising the five-way structure and a lattice type tower. The five-way structure comprises a first connector, a second connector, a third connector and a fourth connector. The first connector and the second connector are obliquely arranged at the top of the fourth connector, and the first connector is located above the second connector. The two third connectors are arranged on the lower portion of the fourth connector side by side, and an included angle exists between the two third connectors. Connecting seams between the connectors are integrally formed in a pouring mode, and connecting holes are formed in the connecting end faces of the connectors. The utility model has the characteristics of compact structure, convenience in disassembly and assembly, high reliability and the like, and is favorable for improving the convenience in installation and maintenance of the high-power wind generating set.
Owner:华电河南新能源发电有限公司

Telescopic lattice tower and method for lifting a telescopic lattice tower

The invention relates to a telescopic lattice tower of a wind turbine, comprising at least a lower tower assembly, an upper tower assembly, and a lifting system for raising and lowering the upper tower assembly. The lifting system comprises at least one guide element, two guide frames, a stabilization system, and a plurality of temporarily deployable first strand jacks. Furthermore, the invention relates to a method for lifting a telescopic lattice tower according to the invention and the use of the telescopic lattice tower.
Owner:GICON GROSSMANN INGENIEUR CONSULT GMBH

Outer-wrapped reinforced corner column lattice tower suitable for wind power supporting structure

The invention relates to the field of lattice towers, in particular to an externally-wrapped reinforced corner column lattice tower suitable for a wind power supporting structure, which comprises N corner columns arranged along the height direction, lattice diagonal rod systems arranged between the adjacent corner columns, a bottom supporting structure for supporting the corner columns and a conversion section for connecting an upper wind power tower drum, each corner column comprises an outer pipe, an inner pipe, a prestressed steel strand arranged in the inner pipe and a concrete structure filled between the outer pipe and the inner pipe, and the two ends of the prestressed steel strand are anchored in the conversion section and the bottom supporting structure respectively. By adopting the technical scheme, the material consumption and the construction cost can be effectively reduced on the premise of ensuring the structural safety.
Owner:CHONGQING YOUHANG ENERGY TECHNOLOGY CO LTD

Optimization design method of wind power concrete filled steel tube lattice type tower

The invention discloses an optimal design method of a wind power concrete filled steel tube lattice type tower, which is applied to the wind power concrete filled steel tube lattice type tower, and the lattice type tower comprises a lattice section and a steel section arranged above the lattice section; the method comprises the steps that S1, the height of a lattice section and the height of a steel section are determined; s2, constructing a lattice segment initial model; s3, verifying whether the tower performance index of the lattice section initial model is qualified or not through a structural mechanics theory algorithm; s4, based on a finite element simulation analysis result, performing optimization design on the lattice segment initial model to obtain a lattice segment optimization model; and S5, on the basis of the lattice section optimization model and the height of the steel section, constructing a lattice type tower integrated model, calculating loads at the joints of all nodes of the lattice type tower integrated model under different working conditions through fan load calculation software, and checking whether optimization design meets design requirements or not. According to the method, the iterative optimization workload of fan load calculation software can be reduced, the calculation power demand is reduced, and the calculation period is shortened.
Owner:CSIC HAIZHUANG WINDPOWER CO LTD

A new cast steel pipe node lattice wind power support structure

The application relates to a novel wind power supporting structure. A novel cast steel pipe node lattice wind power supporting structure comprises a pile foundation, a cast steel pipe node lattice tower, a tower conversion node and a steel tower drum which are sequentially connected in the height direction; the cast steel pipe node lattice tower is composed of a top layer tower section, a plurality of middle tower sections and a bottom layer tower section; the top layer tower section, the plurality of middle tower sections and the bottom layer tower section are respectively composed of lattice units with the same structure; the lattice unit comprises a plurality of support columns and column interconnecting rods; each support column is composed of a TT type node and a tower column; the column interconnecting rod comprises a diagonal rod and a horizontal rod; adjacent TT type nodes are connected through the horizontal rod; the upper end and the lower end of adjacent support columns are cross-connected through the diagonal rod. The cast steel pipe node lattice wind power supporting structure has high strength and bending stiffness, can effectively exert the mechanical properties of the material, reduce the construction difficulty on site, greatly shorten the construction period and reduce the cost.
Owner:SICHUAN UNIV

Multi-circuit transmission line angle steel lattice tower

PendingCN122358909AMechanical engineeringLattice tower
The present application relates to the technical field of angle steel tower, and provides a multi-loop power transmission line angle steel lattice tower, which comprises a tower base, a positioning mechanism is fixedly connected to the top of the tower base, the positioning mechanism comprises a supporting positioning pile fixedly installed at the top of the tower base, a protective cover is fixedly connected to one side of the supporting positioning pile, a knob is movably connected to the outer wall of the protective cover, a worm is fixedly connected to the outer wall of the knob, and a transmission worm wheel is movably connected to the outer wall of the worm. By rotating the knob, the worm is rotated, the transmission worm wheel is rotated, the bidirectional screw rod is driven to rotate, the two movable blocks are moved along the movable grooves in opposite directions, the L-shaped supporting frame is driven to move, the two limiting blocks are inserted into the limiting grooves in the tower body respectively, and the tower base and the tower body are positioned and assembled conveniently, stably and quickly.
Owner:QINGDAO DECHUN STEEL STRUCTURE CO LTD

Method and apparatus for maintaining energy production in an offshore wind farm

An apparatus for generating offshore wind employs shallow draft floats supporting a lattice tower with a wide base having a single-line anchoring providing passive yawing. The lattice structure supports a horizontal shaft at both ends of the shaft for rotating a rotor assembly. Mechanical energy from the rotor may be transferred to electrical generation equipment located at the base of the structure.
Owner:T-OMEGA WIND IP HOLDINGS LLC

A precise positioning and hoisting device for reusable lattice towers

This application discloses a precise positioning and hoisting device for reusable lattice-type towers, comprising: a positioning frame with several I-shaped guide grooves on its upper surface; a connecting mechanism disposed on the positioning frame, including a movable support and a driving component for sliding the movable support within the guide grooves, the movable support being locked at a preset position by a locking component; a connecting flange fixed above the movable support, the connecting flange having the same specifications as the bottom flange of the corner column; and a support mechanism disposed on the positioning frame and having the same number of corner columns, the support mechanism including a first telescopic rod, one end of the first telescopic rod being hinged to the positioning frame and the other end being hinged to the pole body of the corner column, the first telescopic rod having a fixed telescopic length. This application can meet the stringent requirements of modern power systems for the rapid, precise, and non-destructive installation of reusable towers for temporary power supply.
Owner:CONSTR BRANCH CHONGQING ELECTRIC POWER +1

Lattice tower, wind power plant

ActiveCN224496636UPre stressPipe
The application relates to the wind power technology field and discloses a lattice tower and a wind power generation device. The lattice tower comprises a plurality of pile bodies and a plurality of web members. The plurality of pile bodies are arranged around a preset direction, one end of the plurality of pile bodies is connected to a base, and the other end of the plurality of pile bodies is arranged away from the base. The pile body comprises a plurality of sub-piles which are sequentially spliced together, the sub-pile comprises a hollow pipe body, a concrete structure which is located in the pipe body and attached to the inner wall of the pipe body, and the pile body further comprises a prestressed structure which sequentially penetrates through the plurality of sub-piles. Each web member is connected between two adjacent pile bodies. The lattice tower and the wind power generation device provided by the application can be beneficial to saving production costs and improving production efficiency.
Owner:YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD

Prestressed ribbed concrete filled steel tube cage type tower structure

The utility model relates to a prestressed ribbed concrete filled steel tube cage type tower structure which comprises a plurality of sections of connected steel tube cages, and each section of steel tube cage comprises prestressed concrete steel tubes, metal rings, crossed steel tubes and transverse steel tubes. The prestressed concrete steel pipes are annularly arranged and are composed of steel pipes, stiffeners bonded to the inner side walls of the steel pipes, prestressed steel strand bundles penetrating through the axial directions of the steel pipes and self-compacting high-strength concrete. The multiple layers of metal rings are welded to the outer side of the prestressed concrete steel pipe, and vertical connecting flanges are arranged at the ends of the metal rings. The plurality of prestressed concrete steel pipes are connected into a cage-shaped structure by the crossed steel pipes and the transverse steel pipes through the connecting plates and the welding lug plates; wherein the steel pipe cage is formed by splicing at least two semi-arc-shaped prefabricated sections on site, splicing surfaces are fixed through vertical connecting flanges and connecting plates by bolts, and the bolt connecting positions are covered with welding layers to form a maintenance-free structure. The fatigue life of the whole tower is remarkably prolonged, and the tower is suitable for land high-wind-speed draught fans and offshore wind power scenes.
Owner:SU LIJI NEW ENERGY TECHNOLOGY CO LTD

Lattice tower and wind turbine generator system

The utility model discloses a lattice type tower and wind generating set, the lattice type tower includes the multiple main support column of the circumferential interval arrangement along the middle axis of lattice type tower, and the multiple auxiliary support piece is arranged between the adjacent two main support column, the multiple main support column all includes the inclined column section, the turning section and the column section gradually setting from bottom to top and constitutes, the inclined column section gradually inclines from top to bottom to the direction close to the middle axis, the turning section is the circular arc shape gradually extending from top to bottom to the direction close to the middle axis, the column section is parallel with the middle axis, and the interval between the column section and the middle axis is less than the interval between the upper end of inclined column section and the middle axis. The utility model can make the overall height of lattice type tower improve greatly, solved the technical problem that the height was limited because the traditional lattice type tower was caused root to open bigger, and the economy and the applicable scene were improved significantly.
Owner:CSIC HAIZHUANG WINDPOWER CO LTD

Method and system for optimizing steering parameters of a variable-angle segment of a latticed tower minimizing prestress loss

The application discloses a latticed tower variable-angle-section turning parameter optimization method and system minimizing prestress loss, belongs to the technical field of wind power generation latticed tower design, and comprises the following steps: a parameterized finite element model containing prestress tendon turning channel geometric characteristic parameters is established; at least one parameter is selected from the prestress tendon turning channel geometric characteristic parameters as an optimization design variable; a prestress loss calculation model is established, and the total amount of prestress loss is expressed as a function of the optimization design variable; an optimization mathematical model of the variable-angle-section turning parameter is established; the optimal design variable combination minimizing the objective function is searched within the constraint condition range; the structural performance of the turning area is verified to see whether the design requirement is met; if the verification is passed, the optimal variable-angle-section turning parameter combination is output; if the verification is not passed, the constraint condition or the optimization algorithm parameter is adjusted, and then the re-solution is returned until the verification is passed. The application can significantly reduce the prestress loss.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Lattice tower structure safety early warning system based on visual dynamic deformation monitoring

The invention discloses a lattice tower structure safety early warning system based on visual dynamic deformation monitoring, and the system comprises an image data processing module which collects an image of a rod piece of a lattice tower through a high-definition camera, extracts the edge features and shape features of the rod piece through an image processing program, compares the extracted features with a standard feature library, and carries out the early warning of the lattice tower structure. If the characteristics are inconsistent, plastic deformation, bending deformation or falling loss of the key component is judged, and when it is recognized that the rod piece is abnormal, an early warning signal is triggered; and the data processing module is used for acquiring a dynamic image sequence of multiple target points of the lattice tower through a binocular camera, and then calculating the three-dimensional coordinate change of each target point in the structural deformation key area related to the characteristics through a stereoscopic vision algorithm. According to the invention, through non-contact visual perception and data intelligent fusion, detection of the safety state of the lattice tower structure is completed, so that accurate diagnosis and operation and maintenance of damage are realized.
Owner:ZHEJIANG RUIBANG KETE TESTING CO LTD

Construction method for upright installation and alternate pushing in-position of ultrahigh inclined lattice tower

The invention discloses a construction method for vertically mounting and alternately pushing an ultrahigh inclined lattice tower in place. The construction method comprises the following steps: firstly, completing integral assembly of the lattice tower and mounting of a top pushing support frame on the ground; then the tower is vertically installed, and a hinged support and a temporary support are arranged at the bottom of the tower; a plurality of hydraulic pushing devices are installed on the main structure, and the tower is stably rotated to a designed inclined state from a vertical state through the alternate pushing effect of the hydraulic pushing devices; and finally, the supplementary rod is installed, the temporary device is dismantled, and final fixing with the main structure is completed. The high-altitude operation risk is effectively avoided, the temporary supporting cost is saved, accurate in-place of the ultrahigh inclined tower is achieved through hydraulic synchronous control, and remarkable safety and economic benefits are achieved. The invention discloses a construction method for vertically mounting and alternately pushing an ultrahigh inclined lattice tower in place. The construction method comprises the following steps: firstly, completing integral assembly of the lattice tower and mounting of a top pushing support frame on the ground; then the tower is vertically installed, and a hinged support and a temporary support are arranged at the bottom of the tower; a plurality of hydraulic pushing devices are installed on the main structure, and the tower is stably rotated to a designed inclined state from a vertical state through the alternate pushing effect of the hydraulic pushing devices; and finally, the supplementary rod is installed, the temporary device is dismantled, and final fixing with the main structure is completed. The high-altitude operation risk is effectively avoided, the temporary supporting cost is saved, accurate in-place of the ultrahigh inclined tower is achieved through hydraulic synchronous control, and remarkable safety and economic benefits are achieved.
Owner:ZHEJIANG JINGGONG STEEL BUILDING GRP

Lattice tower rod piece missing detection method and program product

The invention belongs to the technical field of communication structure health monitoring, and provides a lattice tower rod piece missing detection method and a program product, and the method comprises the steps: obtaining and processing image data shot by a monocular camera, and obtaining a depth map; segmenting and fusing the depth map to obtain a lattice tower picture; and detecting the lattice tower picture, and identifying and marking a missing part. Monocular vision is used for simulating binocular vision, image matching areas are divided according to the visual field of a camera, the calculation amount is reduced, self-supervised learning pre-training and an attention mechanism are used for improving the key area recognition capacity, transfer learning and incremental learning are introduced, and the new data adaptation capacity of a model is improved. Reliable evaluation and real-time analysis of the rod piece state can be realized in a complex environment, and a solution with higher adaptability and economical efficiency is provided for long-term healthy operation of a communication tower.
Owner:CHINA TOWER CO LTD

Lattice type tower based on shape memory alloy node joints and construction method of lattice type tower

The invention discloses a lattice type tower based on shape memory alloy node connectors and a construction method thereof.The lattice type tower based on the shape memory alloy node connectors comprises a plurality of main supporting rods, a plurality of connecting rods and a plurality of shape memory alloy node connectors, and the main supporting rods are arranged in parallel at intervals in the circumferential direction; every two adjacent main supporting rods in the transverse direction are connected through the multiple connecting rods; the multiple main supporting rods comprise a plurality of supporting rod units which are sequentially arranged in the vertical direction, every two adjacent supporting rod units in the longitudinal direction of each main supporting rod are connected through the corresponding shape memory alloy node connector, and each shape memory alloy node connector comprises a main connecting sleeve and a plurality of side connecting sleeves which communicate with each other. The main connecting sleeve is connected with two different supporting rod units at the same time, and each side connecting sleeve is connected with one connecting rod. The problems that a traditional lattice type tower node is complex in connection, and the construction progress is affected are solved.
Owner:CSIC HAIZHUANG WINDPOWER CO LTD

Lattice wind power tower and construction method

The present application relates to the field of wind power facilities, and discloses a lattice wind power tower and a construction method. The lattice wind power tower comprises a first lattice section, an adapter section and a second lattice section arranged from top to bottom. The adapter section is adapted to connect and transition the first lattice section and the second lattice section. Specifically, the adapter seat is used as a connection base, and the adapter sleeve is used as a steel strand turning guide base in the corner column component of the first lattice section and the second lattice section. For the connection structure, the step and the adapter sleeve are fixedly arranged, the buckle member is fixedly connected with the steel strand, and the step and the buckle member of at least two groups are correspondingly buckled, so that the turning part of the steel strand is arranged in the bending part of the adapter sleeve, thereby achieving the purpose of adaptively bending and turning the steel strand and the bending part. This structure can realize turning and slope changing between two lattice tower sections, can reasonably distribute the prestress of the steel strand in the whole tower, can avoid stress concentration in the adapter section, and can effectively meet the bearing capacity requirement through node design.
Owner:ZHEJIANG HUADONG XINNENG TECH CO LTD

Lattice type tower, manufacturing method thereof and wind power generation device

The invention relates to the technical field of wind power, and discloses a lattice type tower, a manufacturing method of the lattice type tower and a wind power generation device. The lattice type tower comprises a plurality of pile bodies and a plurality of web members. The multiple pile bodies are arranged in the preset direction, one ends of the multiple pile bodies are connected to the base, and the other ends of the multiple pile bodies are arranged away from the base. The pile body comprises a plurality of sub-piles which are sequentially spliced together, each sub-pile comprises a hollow pipe body and a concrete structure which is located in the pipe body and attached to the inner wall of the pipe body, and the pile body further comprises a prestressed structure which sequentially penetrates through the sub-piles. And each web member is connected between two adjacent pile bodies. According to the lattice type tower, the manufacturing method of the lattice type tower and the wind power generation device, the production efficiency can be improved while the production cost is saved.
Owner:YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD

Combined wind power generation tower and combination method

The application discloses a combined wind power generation tower and a combination method, and relates to the field of structural engineering.The combined wind power generation tower comprises a single-pipe tower component, a lattice tower component and a conversion component.The single-pipe tower component comprises a first flange arranged at the bottom of the single-pipe tower component.The lattice tower component comprises inclined web members and tower columns, and a polygonal space truss is formed by the inclined web members and the tower columns.The conversion component comprises a connecting table arranged between the single-pipe tower component and the lattice tower component.The connecting table is connected with the single-pipe tower component and the lattice tower component through connecting pieces.The conversion component and the single-pipe tower component are hoisted to a designated position by hoisting equipment, and are installed respectively, that is, the steel connecting table is connected with the tower columns of the lattice tower component through second prestressed bolts, and the connecting table is connected with the connecting table through first prestressed bolts.The combined wind power generation tower has the advantages of low cost, convenient construction, large overall rigidity of the device, simple structure and reasonable force transmission.
Owner:TONGJI UNIV +1

Lattice tower high-altitude operation platform and installation method

PendingCN121024309ATowersScaffold accessoriesAerial work platformLattice tower
The invention relates to the technical field of high-altitude operation, and discloses a lattice tower high-altitude operation platform and an installation method.The lattice tower high-altitude operation platform is suitable for being installed and connected with corner columns and comprises a fixed base, a standing platform and a pressing plate piece; the fixing base is arranged on the periphery of the corner column, so that the operation platform can be reliably installed on the corner column of the lattice tower, the bottom frame of the standing platform is connected with the fixing base in a sliding mode, and the pressing plate piece can be arranged in a sliding mode in the vertical direction so as to penetrate through the avoiding groove of the platform plate, so that the bottom frame is fixedly installed on the fixing base. Due to the arrangement of the pressing plate pieces, the platform is more flexible in the mounting and dismounting process, positioning and fixing can be rapidly achieved, and the construction efficiency is effectively improved; the platform is simple in structure, high in component universality, convenient to produce in batches and assemble on site, convenient to maintain and capable of effectively reducing the construction and maintenance cost and improving the overall economical efficiency.
Owner:ZHEJIANG HUADONG XINNENG TECH CO LTD

Construction method of wind power tower

The invention relates to the technical field of wind power, in particular to a construction method of a wind power tower, which comprises the following steps of: prefabricating a plurality of hollow concrete-filled steel tube corner column sections by adopting a centrifugal forming process; the multiple corner column sections, transverse supports and inclined supports are spliced on the ground to form at least one lattice tower section, the lattice tower sections are hoisted to the top face of a foundation, and the foundation is an integrally-poured concrete bearing platform; a switching section is installed at the top of the lattice tower section, and a through prestress channel is formed between the switching section and the foundation; pre-stressed tendons penetrate into the pre-stressed channels, so that the pre-stressed tendons extend along the inner walls of the corner column sections and penetrate through the foundation, and the pre-stressed tendons are tensioned; after tensioning is completed, grouting materials are poured into all the corner column sections and the prestress channels, the surrounding area of the foundation is backfilled, and an integrated foundation structure without a tensioning chamber is formed; and an upper tower drum section and wind power equipment are hoisted above the switching section.
Owner:CSIC HAIZHUANG WINDPOWER CO LTD

Lattice tower cable hoisting and laying device and method

The invention discloses a lattice tower cable hoisting and laying device and method.The lattice tower cable hoisting and laying device comprises a hoisting mechanism, a hanging frame mechanism, a clamping mechanism and a guiding mechanism, and the hoisting mechanism is arranged in a channel in the top of a steel tower section and used for hoisting a cable; the hanger mechanism is arranged in the steel tower section channel, is positioned below the hoisting mechanism and is used for temporarily hanging the cable hoisted by the hoisting mechanism; the multiple clamping mechanisms are arranged in a channel of the lattice tower at intervals in the height direction of the lattice tower and used for fixing the cable hanging down from the hanging frame mechanism. The guide mechanism is at least partially arranged in the channel of the lattice section and extends in the height direction of the lattice section, the guide mechanism is detachably connected with the hoisting end of the hoisting mechanism, and the hoisting end can move in the extending direction of the guide mechanism. According to the technical scheme provided by the invention, the reliability and continuity of hoisting operation in an outdoor environment can be improved.
Owner:YUANJIAN WIND POWER JIANGYINENVISION ENERGY CO LTD

Method for determining normal section bending moment of steel-concrete hybrid wind power lattice type tower transfer structure under bending working condition

The embodiment of the invention discloses a method for determining the normal section bending moment of a steel-concrete hybrid wind power lattice type tower transfer structure under the bending working condition. The method comprises the steps that the geometric size of the transfer structure, the size of a flange plate, the preset downward axial force and the preset total bending moment are obtained; the transfer structure of any arc angle in the transfer structures is taken as an isolation body for stress analysis to obtain the stress condition, the stress condition comprises vertical shearing force acting on the normal section centroid of the isolation body, and the horizontal plane where the acting point of the vertical shearing force is located and the axis of the isolation body intersect at an intersection point O; determining the moments of all loads to the intersection point O in the isolator based on the stress condition, the flange plate size, the total bending moment, the geometric size and the axial force; and then obtaining a corresponding normal section bending moment through a pre-established normal section bending moment formula. According to the method, the blank of an existing design specification is filled, the reliability of a calculation result is ensured, a scientific basis is provided for optimization design and safety evaluation of the switching structure, and the engineering risk is reduced.
Owner:CHONGQING UNIV

Prestressed wind power lattice tower column variable angle component

The utility model discloses a prestressed wind power lattice type tower column angle change part, including the steering portion, the upper tower column connecting portion of being located at the top of steering portion and the lower tower column connecting portion of being located at the bottom of steering portion, the steering portion is equipped with the prestressed cable bundle channel along its axial direction, and the prestressed cable bundle channel forms the smooth inner convex structure to the steering side at the position of the steering of prestressed cable bundle. The application realizes the steering of tower column angle change and prestressed cable bundle simultaneously through the additional angle change part, and the angle change part is the separate part independent of tower column component, is convenient for processing, guarantees the unity of tower column component form, construction, is favorable to its scale production. The prestressed cable bundle can realize automatic gathering and smooth steering when tensioning, and reduces the prestress loss caused by steering.
Owner:CHINA INST OF BUILDING STANDARD DESIGN & RES +1

Method for determining normal section bending moment of steel-concrete hybrid wind power lattice tower transfer structure under axial compression condition

PendingCN122287033AAxial forceVertical shear
This invention discloses a method for determining the normal section bending moment of a steel-concrete hybrid wind turbine lattice tower transition structure under axial compression. The method involves obtaining the geometric dimensions of the transition structure and a preset downward axial force; taking any arc angle of the transition structure as an isolator for stress analysis to obtain the stress conditions, including: a vertical shear force acting on the centroid of the normal section of the isolator, with the horizontal plane of the shear force's application point intersecting the axis of the isolator at intersection point O; determining the moments of all loads in the isolator about intersection point O based on the stress conditions, geometric dimensions, and axial force; and obtaining the corresponding normal section bending moment using a pre-established formula based on the moments of all loads about intersection point O. This invention not only fills a gap in existing design specifications and ensures the reliability of the calculation results through theoretical derivation and finite element verification, but also provides a scientific basis for the optimized design and safety assessment of transition structures, reducing engineering risks.
Owner:CHONGQING UNIV

Exhaust stack lattice tower

A lattice tower structure includes a first lattice section that comprises a first leg, a second leg, and a third leg forming a triangular shaped first lattice section of the tower, the first, second and third leg each constructed of a solid galvanized steel rod; and an exhaust stack at least partially secured within the first, second and third leg.
Owner:GREAT PLAINS TOWER PROD LLC

Transmission line lattice tower design method based on genetic algorithm

The application discloses a transmission line plate-type tower foundation design method based on a genetic algorithm, and has the following steps: a plurality of transmission line plate-type tower foundation structures are randomly generated, and a design parameter combination of each transmission line plate-type tower foundation structure is obtained; a comprehensive safety index and a comprehensive economic index of each transmission line plate-type tower foundation structure are obtained according to the design parameter combination; an actual bearing capacity of the transmission line plate-type tower foundation structure is obtained according to the design parameter combination, and an initial population composed of transmission line plate-type tower foundation structures with actual bearing capacities greater than design loads is obtained through filtering; a comprehensive evaluation function is obtained based on the comprehensive safety index and the comprehensive economic index of each transmission line plate-type tower foundation structure in the initial population; and after the initial population is optimized through a genetic algorithm, the design parameter combination of the transmission line plate-type tower foundation structure is selected according to the comprehensive evaluation function value. The application can improve the overall safety and economy of the transmission line tower foundation.
Owner:ZHANJIANG POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD