134 results about "Adaptive support" patented technology

The invention discloses a rock tunnel intelligent supporting system and method adaptive to geological conditions, and relates to the technical field of tunnel construction automation and intellectualization. The system comprises an intelligent advanced geological forecast module, an intelligent surrounding rock quality evaluation system, a self-adaptive support design optimization module, an intelligent construction equipment monitoring system, an environment monitoring module, a safety early warning system, a construction data analysis and decision support system, a material supply chain management module, a personnel positioning and management system and an integrated control system. Through real-time monitoring and analysis of the intelligent advanced geological forecast module and the safety early warning system, potential geological risks and safety threats in the tunnel construction process can be found in time. And through an adaptive support design optimization algorithm, support parameters and a construction scheme can be dynamically adjusted according to real-time geological data and a surrounding rock quality evaluation result. The integrated control system serves as the core of the whole intelligent supporting system, and unified management and coordination of all the sub-modules are achieved.

A method can include receiving, from a customer, a request for a support encounter. A method can include determining a customer intent indicative of an issue experienced by the customer. A method can include routing the customer to a support agent based on the intent. A method can include generating, using a first large language model, summaries of previous support encounters. A method can include providing the summaries to the support agent. A method can include determining, based on the intent and / or the summaries, one or more support documents related to the issue. A method can include generating, using a second large language model, a summary of each of the support documents, wherein an input to the second large language model comprises a support document. A method can include providing the generated summaries of the support documents to the support agent for use in mitigating the issue.

The invention discloses a complex geological foundation pit construction method and system based on intelligent monitoring and self-adaptive supporting, and the method comprises the steps: carrying out the investigation of a construction region, and obtaining the investigation data; constructing a three-dimensional geologic model based on the survey data; designing a supporting structure based on the three-dimensional geologic model; based on the designed supporting structure, construction is conducted, and the construction process is monitored in real time; and dynamically adjusting an excavation sequence and a supporting scheme in combination with the three-dimensional geologic model and monitoring data to finish construction. The method has remarkable innovativeness and practicability in the field of foundation pit construction under the complex geological condition, the construction risk can be effectively reduced, the construction period is shortened, the construction quality is improved, and the method has wide application prospects and remarkable economic benefits.

According to the self-adaptive supporting structure generation method for pull-up type photocuring 3D printing, external force serves as a constraint condition to be included in the supporting generation process, and therefore the number and the positions of supports are optimized; layers with similar features are gathered together to significantly reduce the time cost of generating the support and reduce the number of simulations. According to the method, multiple factors such as model geometrical characteristics, material attributes, the printing direction and external force distribution are comprehensively considered to generate the optimal supporting structure, the use of the supporting structure can be minimized while successful printing is ensured, and therefore the efficiency and quality of 3D printing are improved.

The invention relates to the field of surrounding rock supporting, and provides an aging cracking and multi-source dynamic response self-adaptive supporting system and method in order to improve the supporting reliability, and the state of surrounding rock is sensed in real time through a multi-source sensing module; the aging damage model can comprehensively and dynamically evaluate the damage state of the surrounding rock of the mixed rock, and progressive instability accidents such as hysteresis rock burst can be effectively prevented; the dynamic disturbance model can analyze the damage effect of dynamic loads such as TBM tunneling and blasting on mixed rock surrounding rock in real time, a millisecond-level dynamic risk assessment result is provided for a self-adaptive support system, and instant instability accidents are effectively restrained. The self-adaptive support of the dynamic execution module is realized by combining the parallel decision of the aging damage model and the dynamic disturbance model, the problem that the traditional support depends on static geological data and is difficult to adapt to the dynamic damage change of the surrounding rock is solved, the stability and reliability of the support system are remarkably improved, and the engineering cost and the safety risk are reduced.

The invention discloses a multifunctional cutting base and a cutting method for a large fan casting, and relates to the technical field of casting cutting machining.The base comprises a self-adaptive supporting platform, a combined type damping assembly, a vibration control unit and a chip and oil mist recycling unit; the self-adaptive supporting platform is attached to the bottom of a casting through a plurality of spherical hinge universal planes with angles and heights adjusted hydraulically to form a profiling supporting face so as to achieve multi-point self-adaptive clamping. The combined type damping assembly conducts damping adjustment along with machining vibration dynamic response through the damping unit in cooperation with the vibration control unit, and the machining posture of the casting is stabilized. The cuttings and oil mist recovery unit is used for synchronously collecting and separating dust, metal cuttings and cooling oil liquid generated in the turning process through a liquid-solid separation module, a dust hood with a negative pressure suction function and a chip removal channel; the clamping stability and the machining precision of the large casting are effectively improved, the machining site environment is improved, and the problem that an existing large casting machining platform affects the casting machining state is solved.

The invention relates to the technical field of artificial intelligence, can be applied to business scenes of financial science and technology, medical health and the like, and discloses a data processing and decision-making method, device, equipment and medium, and the method comprises the steps: obtaining multi-dimensional source data, carrying out the standardization processing, screening the standardization data based on a decision-making scene, and obtaining a core index set, the method comprises the following steps: establishing and optimizing indexes, mining association characteristics among the indexes, constructing and optimizing a dynamic statistical model, carrying out standardization processing on newly added multi-dimensional source data, obtaining a key decision index value by utilizing the dynamic statistical model, and carrying out comparison judgment on the key decision index value and a preset decision threshold value, and generating a decision scheme by combining the comparison judgment result with a preset scheme generation mechanism. According to the method, multi-scene adaptive support and real-time decision optimization are realized through unified multi-dimensional data standardization, dynamic scene-driven core index screening and association characteristic mining, real-time model updating and closed-loop decision scheme generation.

This invention discloses a robotic grinding auxiliary device with a follow-up lattice circulation mechanism for thin-walled parts, comprising: a grinding robot mechanism, a thin-walled part, and a follow-up lattice magnetorheological support mechanism. The follow-up lattice magnetorheological support mechanism is positioned directly in front of the grinding robot mechanism. A left positioner and a right positioner are located on either side of the follow-up lattice magnetorheological support mechanism. The left and right positioners are configured to clamp the thin-walled part from both sides, allowing the thin-walled part to be synchronously moved with the left and right positioners. The thin-walled part is positioned vertically above the follow-up lattice magnetorheological support mechanism, and the working end of the grinding robot mechanism is positioned above the thin-walled part. This invention effectively counteracts the cutting force applied by the grinding robot by providing active and adaptive support from below, greatly suppressing workpiece vibration and deformation, and ensuring machining accuracy and surface quality.

The invention is applicable to the technical field of 3D printing, and provides a 3D printing adaptive support algorithm, which comprises the following steps of: performing vertex clustering simplification and Laplacian smooth denoising on an OFF format three-dimensional model, reducing the number of vertexes and patches by utilizing space division and centroid substitution, and calculating and optimizing surface quality in combination with an iterative mean value; recognizing a suspension surface and clustering adjacent surfaces through normal vector analysis and breadth-first search, and performing three-dimensional mapping and duplicate removal processing after generating supporting points; selecting an optimal supporting point pair by adopting a greedy algorithm, calculating lower-layer intersection points to form a tree-shaped skeleton, and avoiding collision by combining an AABB tree and a ray detection technology; a supporting cone, a cylinder and a base are generated, and a complete supporting structure is formed. According to the algorithm, the stability and the printing efficiency of the supporting structure are remarkably improved through multi-stage optimization, and an innovative solution is provided for efficient 3D printing of a complex model.

The invention discloses a multi-path data search fuzzy recommendation method, and relates to the technical field of computer processing, and the method comprises the following steps: S01, analyzing fuzzy semantics input by a user through a pre-trained BioBERT model, and generating a structured query logic containing an entity type and a relation path; s02, constructing a dynamic multi-dimensional relation graph based on the obtained structured query logic, synchronously querying a relational database and a non-relational graph database, and returning a candidate set; s03, aggregating encryption parameters by adopting a federated learning framework to generate a global model; s04, generating a recommendation list based on the real-time physiological indexes of the patient and the diagnosis stage; and S05, capturing the latest literature through a medical knowledge updating engine, and updating graph nodes. According to the method, the problems that a traditional method depends on manual maintenance and lacks dynamic and context understanding are solved, and adaptive support for complex medical scenes is realized by combining relational and non-relational databases, a federal learning framework and a semantic analysis technology.

The utility model discloses an uncoiling restraint system which comprises a working table, a groove is formed in the top of the working table, a self-adaptive supporting assembly is fixedly installed on the inner wall of the groove and comprises two rotating rollers, a driving assembly is fixedly installed on the top of the working table, and the driving assembly is fixedly installed on the inner wall of the groove. And the driving assembly comprises a first supporting seat and a second supporting seat, a lifting frame is installed on the inner wall of the first supporting seat, the inner wall of the second supporting seat is rotationally connected with a driving shaft through a bearing, and an uncoiling restraining assembly is installed at the top of the workbench. By adjusting the rotating platform and the uncoiling limiting frame to adaptively change along with the diameter change of the steel coil, the surface of the steel coil can be conveniently restrained in the whole process, the steel coil can be conveniently, rapidly and flatly uncoiled, and the situation that the surface of a steel plate is damaged under the static friction effect due to dust between the surface of the steel coil by a roller can be avoided; and the protection effect on the surface of the steel plate is improved.

The invention relates to the technical field of mining engineering, in particular to a gently inclined ore body stoping and roof management method, which realizes cooperative control in the mining process by deeply fusing layered interval stoping, a composite filling technology and an intelligent monitoring-adaptive support system. A degradable fiber reinforced material and a novel filling formula are adopted, a distributed optical fiber-stress sensor mixed monitoring network and a top plate stability dynamic evaluation model are combined, the problems that traditional supporting is low in reliability, monitoring lags behind, ground pressure management is difficult and the like are effectively solved, compared with the prior art, the supporting cost can be reduced by 40%-60%, the filling efficiency is improved by 30%-45%, and the supporting effect is good. The mining safety and the resource recovery rate are obviously improved.

The invention discloses a self-adaptive supporting pillar based on multi-modal perception, a height adjusting method and device thereof, a storage medium and electronic equipment, and belongs to the technical field of intelligent equipment. The supporting column is used for a space needing to be supported, and the space needing to be supported is provided with a contact face capable of making contact with a self-adaptive pressure-bearing top disc. The self-adaptive pressure-bearing top tray is fixedly arranged at the top of the supporting pillar; the displacement sensor and the pressure sensor are arranged in the self-adaptive pressure-bearing top tray, the displacement sensor is used for acquiring the contact distance between the self-adaptive pressure-bearing top tray and the contact surface, and the pressure sensor is used for acquiring the contact pressure between the self-adaptive pressure-bearing top tray and the contact surface; and the processor is used for adjusting the height of the supporting pillar according to the contact distance and the contact pressure, so that the stress of the contact surface is within a set range. The method, the device, the storage medium and the electronic equipment can be used for adjusting the height of the supporting pillar. The supporting performance of the supporting pillar can be remarkably improved, and potential safety hazards are reduced.

The invention provides an office chair adaptive adjustment method and system, and relates to the technical field of office chair control. The method comprises the following steps: acquiring an image data stream of a user body, and extracting body shape feature data and posture information data of the user by processing the image data stream; according to the image data flow and by analyzing computer information, judging the task type of the current work task of the user; based on the task type, according to the body shape feature data and the posture information data, obtaining adjustment parameters of a plurality of adjustment parts of the office chair; according to the adjusting parameters, the height of the seat, the angle of the backrest, the position of the waist support, the protrusion degree of the waist support, the height of the armrests and the distance between the armrests are adjusted by controlling an electric adjusting mechanism of the office chair. The adaptive adjustment method for the office chair overcomes the limitation that only primary or low-frequency adjustment is carried out in the prior art, realizes linkage accurate adjustment of multiple parts of the office chair, and provides dynamic adaptive support.

The invention discloses an aviation equipment intelligent pricing method and system and a medium, and the method comprises the steps: carrying out the fusion processing and feature extraction of multi-source heterogeneous data, such as aviation material internal transaction data, external market information data, supply chain state data, and regulation event text data, and generating a standardized feature vector; utilizing a natural language model to extract structured event features from the law and regulation event text data; inputting the standardized feature vector into a pre-training price prediction model adopting a mixed architecture of an integrated learning algorithm and a time sequence deep learning algorithm, and outputting a reference price prediction value and a price prediction interval; according to a pricing strategy instruction selected by a user, a final pricing result is generated through a strategy mapping module, and an interpretable price cause analysis report is output, so that the accuracy and adaptability of aerial material pricing are effectively improved, the dynamic response of various pricing strategies is supported, the transparency and interpretability of a decision-making process are enhanced, and the user experience is improved. And scientific and reliable intelligent decision support is provided for aviation equipment pricing.

The invention discloses a foundation pit slope anti-slip protection structure, and relates to the technical field of foundation pit engineering protection, the foundation pit slope anti-slip protection structure comprises a bottom plate, the top of the bottom plate is provided with a self-adaptive support compensation mechanism, a fixing mechanism and a dual-drive switching mechanism, and the top of the bottom plate is provided with a PLC. According to the foundation pit slope anti-sliding protection structure, the self-adaptive supporting compensation mechanism is arranged to be matched with the PLC, stress generated by slope deformation can be actively compensated, real-time dynamic adjustment of the supporting force is achieved, and the problems that an existing device adopts a fixed supporting mode, the supporting force cannot be adjusted in real time according to slope deformation, supporting is rigid and fixed, and the supporting force cannot be adjusted in real time are solved. The problems that stress concentration is easily generated when the slope slightly deforms, soil body cracking is aggravated, a real-time monitoring and active compensation structure is lacked, timely response cannot be performed in the initial stage of slope slippage, and a landslide accident is easily caused are solved.

The invention discloses a tunnel adaptive support system and a support parameter dynamic optimization method thereof, and the method comprises the steps: firstly, obtaining the deformation data and displacement data of surrounding rock and the pressure in a bag of a bag type support unit in real time, and forming a corresponding monitoring data time sequence; and then, inputting the monitoring data time sequence into a deformation prediction model which is learned through a global deformation rule in advance, and predicting the deformation of the surrounding rock in the future in advance through the deformation prediction model. And finally, the predicted deformation amount and the current deformation amount of the surrounding rock, the prestress of the SMA anchor rods and the pressure in the bag of the bag type supporting unit serve as state spaces, the bag body pressure of the bag type supporting unit and the current of the SMA anchor rods are dynamically regulated and controlled through a PPO reinforcement learning algorithm, phase change of the SMA anchor rods is triggered to compensate for creep displacement of the surrounding rock, and convergence deformation of the surrounding rock is effectively restrained. Therefore, 'monitoring-prediction-regulation 'closed-loop management of the support system is realized, and the defects of lagging response and poor generalization of a traditional method are overcome.

The invention discloses an intelligent tunnel construction monitoring and self-adaptive supporting system based on multi-mode perception and a self-adaptive method.The system comprises a plurality of distributed optical fibers located in a tunnel, and the distributed optical fibers are connected with a data acquisition system through anti-bending optical fiber jumpers; a plurality of adjustable anchor rod assemblies are arranged at preset positions on the wall of a tunnel, anchor rods of the adjustable anchor rod assemblies are connected with an assembled pressure-bearing central pivot cylinder, the inner wall of the assembled pressure-bearing central pivot cylinder is connected with a pressure-bearing core column through a micro jack, the assembled pressure-bearing central pivot cylinder is sleeved with the pressure-bearing core column, and the pressure-bearing core column is connected with the pressure-bearing core column. And the data acquisition system is positioned on the assembled pressure-bearing central cylinder. According to the intelligent tunnel construction monitoring and self-adaptive supporting system based on multi-modal sensing and the self-adaptive method, efficient and accurate supporting of tunnel surrounding rock is achieved, the safety of tunnel construction and operation is improved, and meanwhile the supporting cost is reduced.

The invention discloses a thin-walled workpiece robot polishing follow-up dot matrix circulating auxiliary device which comprises a polishing robot mechanism, a thin-walled workpiece and a follow-up dot matrix magneto-rheological supporting mechanism arranged right in front of the polishing robot mechanism. A left positioner and a right positioner are arranged on the two sides of the follow-up dot matrix magneto-rheological supporting mechanism and are configured to clamp the thin-wall part from the two sides so that the thin-wall part can be synchronously displaced along with the left positioner and the right positioner. The thin-wall part is arranged vertically above the follow-up dot matrix magneto-rheological supporting mechanism, and the working end of the polishing robot mechanism is arranged above the thin-wall part. Active and self-adaptive supporting is provided from the lower portion, cutting force applied by a grinding robot is effectively offset, vibration and deformation of a workpiece are greatly restrained, and machining precision and surface quality are guaranteed.

A trenchless repair device for partial collapse of a communication pipeline, belonging to the field of communication pipeline construction technology, includes: a jacking component, a release system, and an internal support system. The jacking component has a gradually expanding structure from the front end to the rear end, used for jacking repair of the collapsed area of ​​the communication pipeline. The release system is located inside the cavity of the jacking component. The internal support system is located at the rear end of the jacking component, and the central axes of both the internal support system and the jacking component are collinear with the central axis of the communication pipeline. The release system connects the internal support system and the jacking component, and the release system is controlled to release and detach the internal support system at the jacking component. This invention achieves multiple functions such as adaptive support, automatic continuous operation, and main body reuse through a collaborative mechanism and integrated design. Furthermore, the internal support structure, which contracts under normal conditions and expands in place, avoids rigid interference. The jacking and internal support coordination, as well as the unidirectional limiting function, fundamentally reduce the risk of secondary collapse.

The invention discloses a self-adaptive supporting assembly and a spinal cord injury patient body position transferring device and method, and belongs to the field of medical auxiliary equipment. The problems that in the body position transferring process of an existing wheelchair, dynamic height collapse is generated when the gravity center laterally moves due to elastic deformation of tires, and the wheelchair and a bed body are separated due to the fact that rigid lateral locking is lacked are solved. According to the technical scheme, the wheelchair bed is characterized by comprising a bed body and a wheelchair, a bottom plate with rollers (the rotating direction is perpendicular to driving wheels) is arranged at the bottom of the wheelchair, a motor drives a threaded rod mechanism to push the bottom plate to move downwards, the driving wheels of the wheelchair are jacked up and suspended, and flexible tire supporting is converted into rigid mechanical supporting. The wheelchair and the bed body are mechanically interlocked through the movable armrests in cooperation with a positioning frame and a positioning groove at the bottom of the bed body. The device eliminates elastic settlement during load transfer, ensures absolute stability of a transfer plane, and enables a patient with spinal cord injury to safely and independently complete'zero-clearance 'translation in cooperation with a body position adjusting mechanism.

The invention belongs to the technical field of mechanical design, and discloses a self-adaptive supporting clamp and method for chatter suppression and deformation monitoring in turning of a large rotary thin-walled workpiece. The self-adaptive supporting clamp comprises a base, a clamping unit, a positioning unit, an auxiliary supporting unit, a deformation monitoring unit, a vibration monitoring unit, a feedback unit and a control system. The self-adaptive supporting clamp is a supporting system which is more suitable for flutter suppression and deformation control in vertical turning of rotary workpieces in the machining positioning and layout mode. The inner supporting clamp for vertical turning of the outer surface of the rotary thin-wall part has the efficient vibration reduction characteristic, the good fitting degree and the large supporting adjusting range, and the supporting requirements of workpieces with different diameters and heights can be met. Through the deformation monitoring unit, the vibration monitoring unit and the feedback unit, the supporting state is self-adaptively adjusted in real time according to the deformation and chatter conditions in the machining process, the deformation and chatter phenomena in the machining process are reduced or avoided, the machining precision is guaranteed, and the rejection rate is reduced.

The present disclosure relates to the technical field of computers. Disclosed are a server preboot function self-adaptive supporting method and apparatus. The method comprises: when target indication information is acquired, traversing network card devices in a network card device library, wherein the target indication information is used for representing that a target object has a customization requirement on enabling / disabling of a preboot execution environment function; selecting from among the network card devices a target network card device corresponding to the customization requirement, and a target port of the target network card device; enabling the preboot execution environment function of the target port, and disabling the preboot execution environment function of a reference port other than the target port in the target network card; and compiling the customization requirement into a version file and burning the version file into a read-only memory of a basic input / output system, so that the preboot execution environment function is correspondingly enabled / disabled after the read-only memory is loaded. The problems that the current whole setting procedure is complex and inconvenient, and the customization requirement of a customer on the PXE of a network card cannot be satisfied are solved.

The utility model provides a steel wire silicone tube production device, which belongs to the technical field of steel wire silicone tube production and comprises a conveying mechanism, a tube body, a ring sleeve fixedly sleeved on the outer side of the tube body, a guide component arranged on the outer side of the ring sleeve and a pressurizing ring tube fixedly mounted on the outer side of the tube body. And the flushing assembly is arranged on the outer side of the pressurizing ring pipe. Through the synergistic effect of the conveying mechanism and the self-adaptive supporting mechanism, efficient and lossless cleaning of the inner cavity of the silicone tube is achieved, the conveying mechanism ensures stable movement and all-directional flushing of the device, and the self-adaptive supporting mechanism ensures self-adaptability and centering positioning of the device in a complex tube cavity environment. The guide assembly further optimizes the moving track of the device, friction damage to the tube wall is reduced, the flushing effect and maintenance convenience are both considered through the design of the flushing assembly, and the strict requirements of different industries for the cleanliness of the silicone tube can be met.

The invention relates to the technical field of rocket final assembly, and discloses a tool platform for a rocket final assembly platform simulation operation test, the tool platform comprises a support structure, a first elastic beam, a second elastic beam, a first placement rack, a second placement rack, a driving mechanism, a self-locking assembly and a self-adaptive support assembly, the support structure is horizontally arranged on the ground; the first elastic beam is arranged above the supporting structure and is perpendicular to the supporting structure; the second elastic beam is arranged above the supporting structure; real-time monitoring can be achieved, active locking of the driving machine is achieved, falling accidents are reduced, and complete protection of monitoring early warning, instant locking and buffering force unloading is formed; and through the self-adaptive supporting assembly with double springs, the supporting structure is self-adaptive, automatically matched with horizontal force of different magnitudes and self-adaptively balanced with the horizontal force, unbalance loading of the first elastic beam and the second elastic beam is avoided, and the deformation and fracture risks are effectively reduced.

The invention relates to the technical field of structural health monitoring, and discloses a variable cross-section box girder hanging basket adaptive support system state intelligent monitoring method, which comprises the following steps: synchronously acquiring structural response data and working condition fingerprint data of a hanging basket; constructing a health topology reference image set corresponding to each construction condition in an off-line manner, wherein the health topology reference image set is composed of a reference influence transfer coefficient matrix; during online monitoring, the current working condition is recognized in real time, an instantaneous influence transfer coefficient matrix is calculated, the difference between the instantaneous influence transfer coefficient matrix and a reference matrix of the corresponding working condition in a graph set is obtained, and a topological deformation matrix is generated. And further, the multi-dimensional state deviation of the system is quantified into a single risk index by calculating the structural topology entropy of the topology deformation matrix, and the single risk index is compared with a working condition self-adaptive threshold value. The technical problem that a traditional monitoring method is insensitive to systematic early degradation and cannot accurately position a fault source is solved, and high-sensitivity, quantitative evaluation and intelligent diagnosis of the overall health state of the hanging basket system are achieved.

This invention discloses a drilling device for tunnel arches, relating to the field of tunnel arch construction technology. It includes a drilling rig and a tracked vehicle. The drilling rig comprises a drill frame, drill rod, guide frame, and connecting frame. A first sliding block is slidably connected to one side of the drill frame, and a drive assembly is mounted on the first sliding block. The drill frame is slidably connected to the guide frame, and a second hydraulic cylinder connects the drill frame and the guide frame. The guide frame is rotatably connected to the connecting frame, and a first hydraulic cylinder connects the guide frame and the connecting frame. An adaptive support assembly is mounted on the support frame, and a stabilizing guide assembly is also mounted on the support frame and sleeved on the outside of the drill rod. This invention not only achieves the goal of stably supporting the drilling rig on the arch during drilling, fundamentally suppressing slippage, deflection, and high-frequency vibration of the drill bit during entry, ensuring drilling accuracy and hole quality, and effectively preventing drill bit damage, but also ensures that the support system is quickly and stably established before each drilling operation, and improves the equipment's adaptability to different working conditions.

The invention provides a center positioning and angle measuring device of a rotary table for RCS testing. The center positioning and angle measuring device comprises a rotary table top, a support, a rotary seat, a plurality of self-adaptive supporting assemblies, a mandrel assembly, a limiting assembly and an encoder. The turntable surface is used for mounting and fixing a to-be-tested piece; the support is fixedly connected to a ground foundation; the rotating seat is rotationally connected to the support and fixedly connected to the surface of the rotary table, and an annular track is arranged at the bottom of the rotating seat; the multiple self-adaptive supporting assemblies are evenly distributed in the circumferential direction of the annular track and slidably connected to the annular track. The mandrel assembly is rotationally connected to the support and penetrates through the rotating base, and the output end of the mandrel assembly is connected to the table top of the rotary table. The limiting assembly is connected to the mandrel assembly and used for limiting the rotating angle of the mandrel assembly. The encoder is connected to the mandrel assembly. The rotation center fixing, angle measuring and auxiliary supporting effects of the rotary table can be achieved, high-precision horizontal radial constraint of the rotary table is achieved, and meanwhile auxiliary supporting can be effectively provided in the vertical direction.

The patent discloses an adjustable sitting posture correction table, which is arranged on a desktop panel, and comprises a correction table panel, a correction bracket and an angle support frame, the correction table panel is used for placing learning tools, the correction bracket is fixed on the correction table panel to provide guidance for correct sitting posture, and the angle support frame is connected with the correction table panel to change the inclination angle of the correction table panel; the sitting posture correction table further comprises an adaptive support frame, the adaptive support frame abuts against at least two sides of the desktop panel, and the contact surface of the adaptive support frame and the desktop panel is provided with an antiskid pad. By abutting against multiple sides of the desktop panel through the adaptive support frame, the positioning and fixation of the sitting posture correction table are facilitated; when the correction table panel is used in multiple inclination angles, the adaptive support frame always keeps in contact with the two sides of the desktop panel, and the antiskid effect is improved through the position design of the antiskid pad, so that the antiskid stability is ensured.

This invention proposes a control method, system, and CNC machine tool for follower rollers. The method includes: acquiring reference information of support points corresponding to each angle during one revolution of the pipe; acquiring the current angle information of the feeding rotation axis during the current processing; querying the support point reference information based on the current angle information to determine the basic support position corresponding to the current angle; acquiring the physical parameter information of the pipe and establishing a flexural deformation model of the pipe; calculating the additional compensation amount at each roller position based on the model and the axial installation position of each follower roller; determining the final target position of each follower roller based on the basic support position and the additional compensation amount; and then controlling each follower roller to move synchronously to its respective final target position. Based on this method, a corresponding system and CNC machine tool are also proposed. This invention integrates static theoretical data with dynamic self-learning calibration, and combines multi-axis collaborative compensation and look-ahead predictive control to achieve precise adaptive support for the pipe.