74 results about "Structural coupling" patented technology

The invention discloses a phased array ultrasonic detection rough surface coupling agent dynamic supplementing and sealing system which comprises a flexible sealing structure, a coupling agent supply unit, a pressure feedback control unit and a self-adaptive attaching structure. A flexible sealing structure is adopted to form a continuous liquid coupling film between the probe and the detected joint, and the coupling agent supply unit actively supplies liquid to keep the thickness of the liquid coupling film stable in a range of 0.5-1.5 mm so as to reduce ultrasonic energy loss and a blind area; in addition, the coupling agent liquid can be controlled not to leak or the leakage can be controlled within an acceptable range through the sealing mechanism, and the coupling agent supply unit is matched to continuously and stably supply the liquid, so that the coupling layer is ensured to be uninterrupted in the scanning process.

The invention provides a high aspect ratio wing topological optimization method considering pneumatic-structure coupling. The method comprises the following steps: establishing a pneumatic-structure strong coupling topological optimization model; performing finite element analysis to obtain an original variable field of the high aspect ratio wing; generating a filtering variable field and a projection variable field; deformation displacement of each finite element unit is obtained based on a UMMI material interpolation model; establishing information transmission, structure displacement response, aerodynamic load transmission and aerodynamic load updating strategies under pneumatic-structure coupling, and analyzing and updating the aerodynamic load; according to the method, manufacturing constraints such as geometric nonlinearity, multi-material layout and wing rib orientation size are comprehensively considered, design variables in an original variable field are subjected to iterative optimization solution, a wing optimization configuration is obtained, the three core problems of calculation distortion, performance deviation and manufacturing difficulty in lightweight design of the high aspect ratio wing are successfully solved, and the method is suitable for the lightweight design of the high aspect ratio wing. And the comprehensive performance and economical efficiency of the aircraft are remarkably improved.

The invention discloses a lightweight piston thermal-structure coupling stability gradient design method, and relates to the technical field of internal combustion engine pistons, and the lightweight piston thermal-structure coupling stability gradient design method comprises the following steps: constructing an asymmetric load adaptive gradient structure, establishing a multi-physical field coupling stability criterion system, and implementing an intelligent response type gradient design process; according to the method, the limitation of traditional symmetric design and static analysis is broken through by constructing an asymmetric load adaptive gradient structure, establishing a multi-physics coupling stability criterion and combining an intelligent response type closed-loop design process based on a convolutional neural network, and the stability of the multi-physics coupling stability criterion is improved by utilizing mechanisms such as negative Poisson's ratio dynamic softening, inertial mass tuned damping and cross-scale interface strengthening. And deformation energy homogenization and dynamic stiffness self-adaptive regulation and control are achieved, the problems of local-overall response mismatch and steady-state-dynamic model disjunction are solved, real-time feedback regulation is introduced for the first time, and the thermal-structural coupling stability of the lightweight piston under the asymmetric working condition is improved through structural function integration.

The invention relates to the technical field of ultra-high-speed motor design, fluid mechanical engineering and electromagnetic-structure coupling, in particular to an innovative structure-electromagnetic coupling design of a centrifugal hydrogen circulating pump driven by an ultra-high-speed permanent magnet motor. The integrated coupling rotor system is formed by rigidly connecting a permanent magnet motor rotor and a centrifugal impeller through conical surface interference and key groove positioning, a rotor iron core is formed by laminating 0.2 mm ultrathin silicon steel sheets (35W250), and impeller blade molded lines are optimized based on electromagnetic force harmonic characteristics (the number of blades is equal to the number of motor poles + / -1); the coupling matching degree is remarkably improved: through structure-electromagnetic parameter collaborative optimization, the comprehensive efficiency of the system reaches 85% or above, and is improved by 12%-15% compared with that of a separation design; an anti-resonance damping module is combined with a frequency avoidance design, and the vibration acceleration in an ultra-high-speed interval is smaller than or equal to 8 g and is reduced by 60% or above compared with a traditional design; the torque-load matching time is less than or equal to 0.3 s when the flow is suddenly changed, overcurrent impact or surge is avoided, and the dynamic requirement of a fuel cell system is met.

An adjustable roller assembly for a linear rail system carriage has an indexing collar, an eccentric bushing, an adjustable roller, a suspension element, and an adjustment collar. The indexing collar has a first indexing structure. The adjustable roller is rollably mounted to a roller side end of the eccentric bushing. A rolling axis of the adjustable roller is offset from the axis of the adjustable roller assembly. The suspension element is mounted in axial alignment with an adjustment side end of the eccentric bushing. The adjustment collar has a circumferential flange having a second indexing structure. The first indexing structure and the second indexing structure are coupled to rotationally couple the adjustment collar with the suspension element.

The invention relates to the technical field of intelligent manufacturing control, in particular to an MEMS device process error simulation and feedback control system which comprises a response data acquisition module, a coupling relation analysis module, a change parameter extraction module, a model construction module and an instruction generation module. According to the method, dynamic time sequence data of multi-point displacement and stress in the device are collected in real time in the whole process of the manufacturing process, the response relation between the dynamic time sequence data is deeply analyzed, traditional macroscopic measurement of static geometric errors can be exceeded, and in other words, the dynamic time sequence data are obtained from mechanical behaviors in the device. By calculating the ratio of the direction consistency to the change rate of stress vectors among different structural parts, the coupling effect strength among the stress vectors is quantified, the key transmission path of the process stress is identified, and the internal mechanism of how local stress finally causes performance deviation of a core functional area through structural coupling is revealed. For example, how stress concentration on the supporting arm specifically causes displacement and angle inclination of the boundary of the capacitor plate can be determined.

This invention discloses a bridge-tunnel co-construction method based on adaptive construction parameters, specifically relating to the field of bridge-tunnel collaborative construction technology. It collects disturbance response parameters such as foundation settlement rate, pile foundation lateral displacement, and tunnel arch convergence rate to form a set of construction disturbance parameters. This set is input into a structural coupling identification model to extract the pile-arch relative stiffness ratio, pile end support reaction difference, and tunnel deformation anomaly values, constructing a structural coupling state feature vector. Based on this, an optimal construction sequence combination strategy is matched to implement bridge-tunnel coupled construction. During construction, the disturbance response parameters are updated in real time, compared with historical curves, and the disturbance offset is calculated. When the offset exceeds a preset tolerance threshold, iterative updates of features and strategies are automatically triggered until the disturbance stabilizes. This method enables dynamic adjustment of construction sequences and structural collaborative control of bridge-tunnel connection sections, significantly improving the adaptability, safety, and construction efficiency of bridge-tunnel co-construction projects under complex geological conditions.

A system for the distribution and transmission of loads from elevated structures onto existing supporting surfaces, in particular inclined ones, comprising a plurality of bases (1), each base (1) comprising at least one distribution element (2), which is substantially flat and lies on a supporting surface, a distribution beam (4) having an axis X, said beam (4) being placed over said plurality of bases (1) and comprising, on the top thereof, at least one fixing point (41) adapted for coupling with an overlying elevated structure, a number of upper joining elements (6) equal to the number of distribution elements (2) with a first end coupled below to said beam (4), an axis (A) which is substantially perpendicular to the axis (X) of said beam (4) and a joining surface (6a), on a second end of said upper joining element (6) opposite said first end, a lower joining element (3) or a group of lower joining elements (3) for each upper joining element (6), each lower joining element (3) comprising a first end coupled above to said distribution element (2), a second end opposite said first end and a joining surface (3a) on said second end, said system being characterised in that said upper joining element (6) and said lower joining element (3) or group of lower joining elements (3) are coupled at said respective joining surfaces (3a, 6a), and in that it comprises means for the relative rotation of said axis (A) with respect to an axis perpendicular to the plane of said distribution element (2).

The application discloses a rotor coupling dynamics calculation method of complex three-dimensional shape layout. A coordinate conversion relationship caused by a front protrusion / after-sweeping / downward-reversing configuration is established; nonlinear elastic deformation of elastic blades waving, oscillating and twisting and nonlinear coupling relationship among them are described; nonlinear motion caused by the complex three-dimensional shape layout is described based on the coordinate conversion relationship and the nonlinear coupling relationship; and the relationship among strain energy, kinetic energy and virtual work of external force of the rotor is established based on the Hamilton principle according to the description of the nonlinear motion, and a finite element method of a 15-degree-of-freedom beam element is used to establish a rotor dynamics equation. The application can effectively reflect the structural coupling characteristics and coupling degree of the waving-torsion direction caused by the front / rear sweep of the blade tip, effectively reflect the structural coupling characteristics and coupling degree of the oscillation-torsion direction caused by the upward / downward reversal of the blade tip, and effectively reflect the rotor dynamics characteristic behaviors caused by the three-dimensional shape of the blade.

The invention provides a heavy type gas turbine gas compressor aerodynamic strength vibration structure coupling design method and system. The method comprises the steps that a first through-flow parameter and a first blade profile parameter of a gas compressor are determined according to aerodynamic performance indexes; optimizing a first flow parameter and a first blade profile parameter of the gas compressor according to the structure manufacturing and assembling index and the aerodynamic performance index to obtain a second flow parameter and a second blade profile parameter of the gas compressor; optimizing the geometric parameters of the blade root of the gas compressor according to the strength vibration life index and the structure manufacturing and assembling index, and designing and optimizing the geometric parameters of the blade locking structure of the gas compressor to obtain the optimized geometric parameters of the blade root and the blade locking structure of the gas compressor; and designing the heavy gas turbine compressor based on the second through-flow parameter and the second blade profile parameter. According to the technical scheme provided by the invention, the design efficiency is improved, the performance balance is optimized, and meanwhile, the design cost is reduced.

The invention discloses a device capable of localizing a surface acoustic wave center. The device comprises a device body and hard boundaries arranged on the upper surface and the lower surface of the device body. The device body comprises a plurality of primitive cells arrayed in the Z direction and an A-layer assembly arranged on the lower surface of the bottommost primitive cell. Each primitive cell comprises a B-A coupling layer assembly, a B-layer assembly, an A-B coupling layer assembly and an A-layer assembly which are sequentially stacked from bottom to top; pi phase difference delay exists between the A-layer assembly and the B-layer assembly. The primitive cell is constructed to be composed of a plurality of non-periodic structural units; the structural unit comprises a B-A coupling unit and a structure B which are arranged from bottom to top, the coupling strength of the A-B coupling unit and the coupling strength of the structure A are different, and the coupling strength of the A-B coupling unit and the coupling strength of the B-A coupling unit are different; rotation parameters are introduced into an X-Y plane in a three-dimensional space where the device is located, so that the primitive cell center has a vortex center, and the period of the primitive cell in the Z direction is of a limited size. Through the device, a zero-dimensional topological angular state can be formed, and surface acoustic waves are localized in the center of the top surface of the device.

The invention relates to a transmission unit (12) for adjusting a headlight, comprising a flexible shaft (22) and a fixing unit (16) having two end regions and an axis of rotation, the first end region being provided with a positive locking structure (18) for coupling to a drive positive locking structure (14e) of an adjusting element to be driven, the second end region being provided with a positive locking structure (18) for coupling to a drive positive locking structure (14e) of the adjusting element to be driven. Therefore, the rotating motion around the rotating axis can be transmitted; wherein the fixing unit (16) is axially and fixedly connected to the flexible shaft (22) in a second end region in order to achieve a synchronous rotation in such a way that a rotational movement can be transmitted from the flexible shaft (22) to the positive locking structure (18). The invention is characterized in that the fastening unit (16) comprises a snap sleeve (20) and a clamping sleeve (18), the snap sleeve (20) being configured such that it can be moved relative to the clamping sleeve (18) from an introduction position (EP) to a clamping position (KP) in a locking direction (AR), the locking direction (AR) being parallel to the axis of rotation; wherein the clamping sleeve (18) has a clamping wall which is provided with at least one cutout which is open on the end side and which has two cutout edges which face each other in the circumferential direction, a circumferential clamping region being formed axially at least in the region along the at least one cutout; wherein the clamping sleeve (18) has an open cross-section and forms an insertion width when the snap sleeve (20) is in an insertion position (EP), and wherein the snap sleeve (20) interacts with the clamping sleeve (18) in a clamping position (KP) such that the clamping sleeve (18) is inserted into the clamping position (KP) by an axial displacement of the snap sleeve (20). According to the invention, the distance between the cutout edges (19a, 19b) and the opening cross-section of the clamping sleeve (18) in the clamping region are at least partially deformed by the clamping wall to form a clamping width, which is reduced in size compared to the introduction width.

The present application relates to a kind of multi-foot coupling spoke and tire for non-pneumatic tire, spoke includes first leg structure, second leg structure and third leg structure, first leg structure and second leg structure are connected in V type, third leg structure is connected in V type with second leg structure, the end of third leg structure is equipped with first coupling surface, second coupling surface is equipped with in the opposite side surface of second leg structure with the side of third leg structure, first coupling surface can coincide with second coupling surface in translation process.The third leg structure of present application is arranged, and the third leg structure is coupled and connected with second leg structure, realizes circumferential coupling arrangement, substantially reduces the stress of originally bearing tension side, avoids interface and rubber body due to repeated tension and leads to the failure of adhesive surface, such as rubber fatigue tear phenomenon.The multi-foot coupling spoke improves the vertical stiffness of spoke, enhances the carrying capacity, further improves its carrying stability.

The application provides a double-line shield tunnel optimization design method, device and equipment considering soil-water-structure coupling, and relates to the technical field of underground engineering and tunnel engineering. The method comprises the following steps: obtaining a construction stage stratum displacement field considering double-line mutual disturbance; establishing a groundwater seepage model to obtain a pore water pressure distribution and determine a consolidation additional displacement field; superimposing the construction displacement field and the consolidation additional displacement field to obtain a comprehensive stratum displacement field; analyzing the internal force and deformation response of the lining structure based on the comprehensive stratum displacement field; determining design indexes according to the response; if the design indexes do not meet the preset allowable value, adjusting the design parameters and repeating the above steps until all indexes meet the requirements. The application takes the stratum displacement field as a unified carrier, realizes continuous transmission and closed-loop optimization of construction effect, consolidation effect and structure response, and improves the reliability and consistency of double-line shield tunnel design.

This invention discloses a coupling system and a swimming pool cleaning system. The coupling system includes a coupling unit and a position detection unit. The coupling unit includes a coupling component I and a coupling component II. One of the coupling components I and II includes a protruding structure, and the other includes a groove structure coupled to the protruding structure. The position detection unit assists in the coupling of the coupling components I and II. The coupling system of this invention has the advantages of simple structure and high coupling efficiency.

The present application relates to a kind of mine dump truck wheel hub drive unit conceptual design method, to establish the technical system of the positive design of large tonnage mine dump truck wheel hub drive unit, including from the selection of structural form, the determination of transmission route, overall structure design and transmission system parameter optimization and component strength check and life calculation.Optimal scheme in feasible transmission route is explored according to accurate multi-working condition load spectrum, vehicle operation requirement, boundary condition of wheel hub drive, relevant component structure coupling requirement etc.;In the selected gear transmission route, according to the space arrangement of wheel hub drive, and the advantages and disadvantages of transmission form, determine to adopt transmission schematic diagram;According to the assembly condition of planetary row, adjacency condition, coincidence degree, concentricity condition and other constraint requirements, optimize the gear parameters with light mass and balanced load capacity under the premise of meeting the use strength.The complete design process of large tonnage mine dump truck wheel hub drive unit conceptual scheme is realized.

The invention relates to the technical field of pipeline repair, in particular to a drainage pipeline non-excavation repair optimization method based on hydraulic structure coupling simulation. Effective bearing wall thickness distribution description quantity and stress concentration coefficient distribution are introduced, modeling is conducted on the defect depth and defect length of the drainage pipeline in the axial direction, equivalent circumferential driving pressure is constructed by combining internal pressure, soil pressure, ground load and underground water pressure, and the thickness needing to be repaired is calculated point by point according to the axial position based on a judgment mechanism of the structural safety margin. According to the method, repair is in spatial self-adaptive distribution, the pertinence of structure safety is improved, on-way loss and local loss are calculated respectively in combination with the influence of repair thickness distribution on the inner diameter of the pipeline, and quantitative evaluation of the drainage capacity after repair is achieved; and through coupling optimization of structural safety constraint, hydraulic performance constraint and stability constraint, iterative adjustment of the repairing thickness is achieved.

A structural coupling for a suspension support system includes a coupling body (12) and a structural fastener (14) coupled to the coupling body and configured to secure the structural coupling to a structural support. A rod fastener (16) couples to the coupling body and defines at least one threaded opening (62A) configured to engage with a threaded rod. The rod fastener is selectively movable relative to the structural fastener to adjust an angle between an axis of the threaded opening and a longitudinal axis of the structural fastener.

The invention discloses a chip fan-out type packaging method and a chip fan-out type packaging structure, and aims to overcome the defect that a chip deviates in the curing process. According to the invention, a first platform is provided with a first bonding layer, and the first bonding layer is provided with a packaging assembly; the packaging assembly comprises a chip, a cofferdam structure and a plastic packaging layer, the cofferdam structure is arranged on a first bonding layer, the chip is arranged in the cofferdam structure, the active surface of the chip is attached to the first bonding layer, the plastic packaging layer is arranged on the passive surface of the chip and the outer surface of the cofferdam structure, and the cofferdam structure is arranged on the outer surface of the cofferdam structure. The plastic packaging layer fills a gap between the chip and the cofferdam structure, and the chip is embedded and packaged in the plastic packaging layer. Through structural coupling of the thinned chip and the photoetching cofferdam, chip limiting and high-precision position keeping in the plastic packaging process are considered.

The invention relates to various methods and systems for controlling the inclination of a rocking structure. One method concerns adjusting a force applied by an electric machine to a mass coupled to the rocking structure. The method is based on executing a control that uses a dynamic model and indicative parameters of the position of the mass and of an angle of inclination of the rocking structure to adjust the force applied by the electric machine to the mass. The invention also relates to a system for carrying out the method. Another method relates to adjusting the transmission ratio between a mass coupled to the structure and a rotor of an electric machine. A further method relates to adjusting the curvature of a guide for mechanically coupling a body to the rocking structure.

The invention belongs to the technical field of aerodynamic / structural design of aircrafts, and discloses an aerodynamic-structural coupling data transmission optimization method and system.The method comprises the steps that a k-d tree is constructed according to initial structural grid node coordinates, the aerodynamic-structural gap scale and the structural grid spacing scale are calculated through k nearest neighbor query, and a k-d tree is constructed; determining a self-adaptive neighborhood and a self-adaptive kernel width; carrying out load-displacement transmission to obtain structural grid node load and pneumatic grid node displacement; according to the structural grid node load obtained in the round, if the load distribution uniformity reaches the standard, deforming the pneumatic grid node coordinates, and solving the structural displacement and the pneumatic load in the round; otherwise, re-determining the self-adaptive neighborhood and the self-adaptive kernel width until the load distribution uniformity of the round reaches the standard; and returning to start a new round of iteration until an iteration ending condition is met. According to the method, the space uniformity of a structure side load field and the smoothness of a displacement field are remarkably improved, and the numerical robustness and the engineering applicability in the load transmission process are improved.

This invention discloses a structural thermo-mechanical coupling method and apparatus considering isogeometric analysis, belonging to the field of thermodynamics. The method includes: S1. Establishing an isogeometric NURBS model: providing the basis for expressing geometric and physical fields for thermo-mechanical coupling analysis, achieving seamless integration of CAD and CAE; S2. Calculating the transient temperature field based on the central difference method: obtaining the temperature distribution of the structure at different times, providing temperature input for subsequent thermo-mechanical coupling; S3. Transforming the temperature field into equivalent temperature loads: converting the thermal effects caused by temperature changes into equivalent loads identifiable by structural mechanics analysis; S4. Solving the stiffness equation of the structure under the combined action of external forces and temperature: obtaining the displacement matrix of the structural control points; S5. Solving the structural coupling field based on the displacement matrix: obtaining all key physical quantities in the thermo-mechanical coupling field, completing the coupling analysis. This invention can verify the feasibility of applying isogeometric analysis in coupled fields.

The invention discloses a preparation device of a structure coupling carbon-carbon composite material, and relates to the technical field of composite material preparation devices, the preparation device comprises a first atomization spraying system, a first liquid inlet unit, a second atomization deposition system and a second liquid inlet unit; the first liquid inlet unit provides a catalyst solution for the first atomizing and spraying system; the first atomizing and spraying system is used for atomizing a catalyst solution, spraying the prefabricated body in the spraying cavity in multiple directions and drying the prefabricated body sprayed with the catalyst solution; the second liquid inlet unit provides a carbon source precursor for the second atomization deposition system; and the second atomization deposition system atomizes and sprays the carbon source precursor into the deposition cavity and can heat the carbon source precursor in the deposition cavity, so that the atomized carbon source precursor is deposited on the preform. The preparation device of the structure coupling carbon-carbon composite material provided by the invention can improve the preparation efficiency and qualified rate of the integrated structure of the carbon-carbon composite material.

The application provides a concrete structure coupling construction method suitable for super-high ancient city wall construction. First, stone materials are subjected to slotting treatment, then hoisting and mortar setting treatment at the stone slot, and the process is repeated until all the stone blocks of the first batch are installed. Then, the first batch of structural wall steel reinforcement frameworks are bound, and the stirrups and reinforcement of the structural wall hidden beam, the tie reinforcement of the structural wall, and the formwork are installed and the concrete is poured to complete the first batch of stone blocks, the structural wall body and the structural wall hidden beam body. Then, other batches of structures are constructed by repeating the process. The application does not need to construct a large foundation, but realizes common stress by slotting mortar, tie reinforcement, structural wall hidden beam, stirrup, reinforcement and other structures, ensures the stability of the super-high ancient city wall stone blocks, ensures the construction quality, and is more convenient, time-saving and labor-saving in the construction process. Compared with the traditional construction method, the construction cost is lower.

The vehicle door according to the exemplary embodiment has improved coupling strength through structural coupling by molding a window frame of a door module assembled between a door trim and a door panel with a separate aluminum injection molding product and inserting a coupling portion of the window frame into a module body by injection molding, and a groove is formed along the coupling portion of the window frame coupled to the module body to easily identify the various components and to achieve sealing during injection molding.

This invention relates to the field of static multi-point coordinated loading of wind turbine blades, and discloses a static multi-point coordinated loading control system for wind turbine blades, including a sensing module, an execution module, and a central control unit. The sensing module is used to collect real-time loading data of the loading nodes on the blade. The central control unit includes a real-time calculation module and a feedforward control module. The real-time calculation module calculates the real-time stiffness based on the real-time tension value and the real-time displacement value. Preset data is input, and the feedforward control module calculates the feedforward control quantity based on the preset data, including the target tension curve and the structural coupling relationship. The execution module initially adjusts the loading speed on the loading nodes based on the feedforward control quantity. This establishes a representation model of "force-displacement-stiffness" coordination, constructs an intelligent control architecture that integrates multi-dimensional sensing data and performs feedforward compensation based on the structural coupling relationship, and forms an adaptive closed-loop control based on the real-time state of the blade.

This invention belongs to the field of radio frequency engineering technology, specifically disclosing a high-power dual-directional coupler and method based on an arc-shaped semi-circular coupling structure. The coupler includes: a housing body with a sealed electromagnetic shielding cavity inside; a dielectric support pillar inside the cavity, with a coaxial conductor running through it; two arc-shaped metal plates arranged in a semi-circular manner on the outer surface of the dielectric support pillar, with a predetermined gap between them; a filler block between the housing body and the arc-shaped metal plates, with a mounting groove inside the filler block that matches the shape of the arc-shaped metal plates; the two arc-shaped metal plates, along with the dielectric support pillar and coaxial conductor inside, form a coupling structure that is tightly embedded in the mounting groove, achieving a three-dimensional, rigid, enveloping fixation of the coupling structure by the filler block. This invention's dual-directional coupler can stably carry continuous wave radio frequency power in the tens of kilowatts range for extended periods, completely solving the fundamental power bottleneck of traditional planar couplers.

The utility model discloses an ash cooling barrel coupling structure which comprises a bottom frame and an ash cooling barrel body, the top end of the bottom frame is provided with the ash cooling barrel body, the ash cooling barrel coupling structure further comprises a coupling mechanism, a side rod and a top frame, and the coupling mechanism comprises a side holding plate, a side bracket, a double-folding pipe barrel, an L-shaped connecting pipe A, an inserting strip, a top holding plate, a top limiting seat, a triple-folding pipe barrel, an L-shaped connecting pipe B, a top limiting rod and a spiral winding strip. The coupling mechanism is arranged at the bottom frame and the ash cooling barrel body of the ash cooling barrel, and the frame body of the bottom frame is matched with the side rods to be connected with the top frame for supporting, so that the side rods, the top frame and the coupling mechanism form a coupling structure, and the coupling structure can form a water spraying structure outside the ash cooling barrel body to spray water to the ash cooling barrel body; and in the rotating process, the ash cooling barrel body intercepts a proper amount of cooling water through a spiral winding strip, so that the ash cooling barrel body can make contact with the cooling water in a large area for cooling, and rapid cooling of the high-temperature molten materials in the ash cooling barrel body is achieved.

The invention discloses a steel bar connecting structure with a conjugate rib and groove coupling structure and an installation method, and the steel bar connecting structure comprises a first coupling cylinder piece and a second coupling cylinder piece which can be oppositely and radially spliced to form a sleeve, and the coupling cylinder pieces are internally provided with yoke rib grooves; a first gradient coupling connection part and a second gradient coupling connection part are respectively arranged on the end surfaces of the two radial ends of the first coupling cylinder piece and the second coupling cylinder piece, and the first gradient coupling connection part and the second gradient coupling connection part are mutually butted and coupled when the first coupling cylinder piece and the second coupling cylinder piece are spliced; the end parts of the first reinforcing steel bar and the second reinforcing steel bar are coupled and connected through an axial lock catch structure, positioning grooves are formed in the side walls of the first reinforcing steel bar and the second reinforcing steel bar, and threaded positioning through holes are formed in the positions, corresponding to the positioning grooves, of the side walls of the first coupling cylinder piece and the second coupling cylinder piece. A cooperative stress structure of steel bar mechanical lock catch connection and sleeve mechanical connection is constructed, and various technical problems of an existing steel bar connecting structure can be solved.