49 results about "Technology research" patented technology

The invention relates to the technical field of engineering technology research and development, in particular to a risk assessment method for personalized marketing content for generative AI output. According to the method, firstly, feature extraction is carried out on marketing content data to obtain structured representation, and then preliminary screening is carried out through a preset rule to obtain a rule matching condition; inputting the feature data and the rule matching result into a trained neural network model for deep evaluation, and outputting a risk score and a risk type label; and calculating a model parameter update value based on a manual auditing result and a business key index. According to the method, the interpretability and the risk identification capability of evaluation are ensured through the combination of the rule and the model, and the dynamic adjustment of the evaluation standard is realized by introducing the business index and the online learning mechanism, so that the risk evaluation better meets the business requirements.

The invention discloses a distribution and micro co-simulation test platform and a control method, the distribution and micro co-simulation test platform is established by adopting a complete simulation mode, and the distribution and micro co-simulation test platform comprises the steps of constructing a plurality of simulation test bench areas, constructing a bench area simulation circuit and basic control equipment, being provided with equipment such as a simulation load, a power supply and an energy storage equipment, and being provided with edge calculation control equipment. According to the method, a full-real transformer area communication network is established, a simulation control software platform is established, a multi-source load storage equipment cooperative control program can be downloaded from edge computing control equipment, a distribution network and microgrid cooperative control program can be developed on the simulation control software platform, and management and control of the whole distribution network cooperative simulation test platform are achieved. According to the method, an environment which is completely equivalent to the reality is constructed, various practical problems and control schemes can be reproduced and tested, safe and efficient test conditions are provided, and effective support is provided for technical research related to the micro power grid.

The invention discloses an association technology text novelty retrieval method and system based on semantic recognition, and relates to the technical field of patent novelty retrieval, and the method comprises the steps: obtaining at least one to-be-retrieved technical keyword based on to-be-retrieved technical content; obtaining a key index of each to-be-retrieved technical keyword in the to-be-retrieved technical content text; obtaining an existing associated technical content set corresponding to each to-be-retrieved technical keyword, and solving a union set to obtain a total associated technical content set of the to-be-retrieved technical content; based on a technology association algorithm, respectively calculating an association index of each existing association technology in the total association technology content set and the to-be-retrieved technology content; and based on the association index of the to-be-retrieved technical content, outputting the technical text content associated with the to-be-retrieved technical content. The method has the advantages that the technical content highly related to the innovation subject can be rapidly and accurately output, and the working efficiency and the success rate of a user in the technology research and development and innovation process are greatly improved.

The invention discloses a confirmation system and method based on technology research and development demand closed-loop management, and the system and method convert the original demand of a user into the initial demand of a technology developer through a KANO model, QFD and other tools, then convert the initial demand into a technical specification, and achieve the technical specification through the step-by-step decomposition and refining of the technical demand. And conversion and landing from user requirements to technical performance are realized. The invention also defines a closed-loop management process of demand change, namely from demand change confirmation to change influence analysis, change scheme formulation, change scheme verification, change scheme review, change scheme implementation, demand change whole process tracking and demand change acceptance and closure, the demand change management of a technology application party is enhanced; and the cost and the technology research and development quality are effectively controlled. According to the method, the defects of incomplete demand life cycle management, fuzzy demand state circulation standard and high subjectivity in the prior art are overcome, the demand management process is standardized, and the technical research and development design quality is ensured.

The invention relates to a computing network fusion technology research method and electronic equipment, and belongs to the technical field of equipment evaluation. The method comprises the specific steps that firstly, multi-source data in the equipment operation process are collected, and performance index data of an equipment manufacturer and user feedback information are combined; preprocessing the collected data, including data cleaning, feature extraction, normalization processing and feature dimension reduction based on a principal component analysis method, so as to reduce data redundancy and improve model training efficiency; then, constructing a health assessment model based on deep learning, adopting structures such as a convolutional neural network or a recurrent neural network, and introducing a dynamic weight adjustment mechanism to adapt to operation states of different devices; training the model by using the preprocessed data, and adjusting model parameters in real time when the data is updated; and finally, inputting equipment operation data acquired in real time into the trained model, generating an evaluation report including health grade division and future health state prediction, and providing early warning information and maintenance suggestions according to the evaluation report.

The utility model relates to the technical field of electric power auxiliary tools, and discloses a line protection device for engineering and technology research, which comprises a base, the outer wall of the base is provided with a first sliding chute and a second sliding chute, the base is internally provided with a first spring, one end of the first spring is fixedly connected with a sliding block, and the other end of the first spring is fixedly connected with a second sliding chute. And the outer wall of the sliding block is slidably connected to the inner wall of the second sliding groove, the other end of the first spring is fixedly connected to the inner wall of the second sliding groove, the upper surface of the sliding block is fixedly connected with a pulling block, and the outer wall of the sliding block is fixedly connected with a clamping cylinder. According to the wire harness fixing device, the first spring rebounds to push the sliding block to slide on the inner wall of the second sliding groove again and drive the pulling block to move, and meanwhile, the clamping cylinder is promoted to slide on the inner wall of the first sliding groove again to fix the wire harness, so that the effect of fixing a circuit is achieved, the circuit can be arranged neatly and orderly, cable crossing or disorder is avoided, and the wire harness fixing device is convenient to use. And maintenance and overhaul are facilitated.

The invention relates to the technical field of data analysis, in particular to an intelligent business environment analysis and decision-making system based on big data, which comprises a type division unit for dividing settled enterprises in an industrial park into manufacturing enterprises and technology research and development enterprises and calculating a ratio, and combining a ratio of a standardized plant area to an office building area in the industrial park to obtain a decision-making result; dividing the industrial park into a manufacturing type industrial park or a technology research and development type industrial park; the park evaluation unit is used for analyzing and calculating a regional development index, a logistics transportation index, a distance influence index and a personnel circulation index; and the matching evaluation unit is used for comparing types between the target enterprise and the target park to obtain a type matching value, and calculating a recommendation value of the target park for the target enterprise in combination with the regional development index, the logistics transportation index, the distance influence index and the personnel circulation index.

The invention relates to a key technical scheme intelligent screening and positioning method and system oriented to integrated circuit research and development, and the method comprises the steps: respectively extracting technical entities representing specific process steps and device structures and legal entities representing legal protection boundaries through building a semiconductor field heterogeneous data stream and utilizing a large language model; constructing a bimodal semantic topology network comprising technical association, legal association and cross-modal alignment edges; heterogeneous graph attention representation learning is executed, and deep semantic dependence between nodes is captured; generating a global semantic representation vector representing the logic consistency of the technical scheme based on the topological connection density and the cross-modal semantic alignment strength of the nodes; and finally, accurately positioning a key technical scheme based on the logic consistency confidence coefficient. According to the method, the process-protection logic consistency can be automatically verified, the problems that traditional keyword retrieval is loud in noise and a semantic model lacks logic support are solved, and objective and high-reliability data support is provided for technology pre-research, design avoidance and research and development path planning.

The invention belongs to the field of building technology research, and provides a steel truss girder transfer platform aiming at the problems that an existing transfer device is large in occupied field area and multiple in transfer links, the direction of a steel truss girder cannot be kept unchanged all the time in the transfer process, and accurate splicing of the steel truss girder is affected. The hydraulic lifting brackets are arranged on two sides of the direction adjusting vehicle; the direction adjusting vehicle comprises a driving base, an operation table and a rotating assembly connected with the operation table in a matched mode. The steel truss device can be directly arranged at the starting point position of the conveying rail through the direction adjusting vehicle, direction correction can be conducted, multiple transfer devices do not need to be matched to adjust the direction of the steel truss, operation is easy and fast, a rail used for adjusting the direction of the steel truss beam does not need to be arranged, the occupied area is small, and the construction space is saved.

The invention provides a multi-dimensional identification-multi-objective optimization waste salt disposal technology evaluation method and system. The evaluation method comprises the steps of data acquisition, weight calculation, model evaluation, multi-objective optimization and advanced scheme acquisition. The system comprises a data preprocessing module, a technology market evaluation module, a technology economy module, a technology benefit module, a technology environment influence module, a technology carbon emission module, a comprehensive evaluation module, an information output module and an information storage module. According to the evaluation method and system, aiming at waste salt disposal and resource research and development, a multi-level process technology is applied to carry out sub-item and combined evaluation, the difference of organic matter removal, salt separation and resource processes of the technology to be evaluated is identified, and an optimized target dimension and an advanced technical scheme are provided; the purposes of economic maximization, technology optimization and environmental influence minimization are achieved, and accurate countermeasures are provided for solid waste recycling technology research and development, industry development trend research and judgment and optimization upgrading.

This invention relates to the field of data processing technology, specifically including an interactive management method and system for cross-digital spaces in research and learning, comprising: setting up a knowledge graph and an application scenario network; establishing multi-level associations between the knowledge graph and the application scenario network to set up cross-knowledge links; and setting up a cross-digital space for digital interactive management. It addresses the technical problems of a lack of connection and interaction between science and technology exhibitions, science and technology learning, science and technology research and development, and application, resulting in low research and learning efficiency, disjointed understanding of the entire process of science and technology products, and an inability to meet the core needs of integrating theory and practice in digital research and learning. It achieves the technical effect of setting up a cross-digital space to accurately map theoretical knowledge to practical cases, meeting the research and learning needs of the entire process from basic learning to scientific research exploration, connecting and interacting between science and technology exhibitions, science and technology learning, science and technology research and development, and application, improving knowledge transfer efficiency and interactive experience, and providing research and learning groups with a coherent and three-dimensional cognitive path for science and technology products.

The utility model relates to the technical field of new materials, in particular to a new material technology research and development workbench which comprises a fixing plate, the upper end of the fixing plate is fixedly connected with a first connecting frame, the inner wall of the first connecting frame is rotatably connected with a threaded rod, and the rod wall of the threaded rod is sleeved with a sliding block in a threaded mode. The upper end of the first connecting frame is fixedly connected with a gear motor, the output end of the gear motor is fixedly connected with one end of a threaded rod, the outer wall of the sliding block is fixedly connected with a connecting plate, the lower end of the connecting plate is fixedly connected with a plurality of illuminating lamps corresponding to one another in position, and the upper end of the fixing plate is fixedly connected with a workbench body. On one hand, light dispersion can be avoided, illumination is more concentrated and effective, the illumination effect and visibility are improved, on the other hand, the situation that a user is dizzy due to the fact that the user directly looks at the illumination lamp can be effectively avoided, and then the working comfort and working efficiency are improved.

The invention discloses a novel electric power system industry chain scientific and technological innovation capability assessment method and a corresponding system, and the method can assess the scientific and technological innovation capability of an enterprise in a novel electric power system industry chain in a multi-dimensional manner, covers key fields of technology research and development, project driving, market expansion and the like, and is high in practicability. Comprising digital improvement and external resource integration capability, and comprehensiveness and accuracy of an evaluation result are ensured. A method based on a knowledge graph is utilized to effectively identify a'neck 'key technology and a core product in a supply chain. The identification method helps an enterprise to timely discover and deal with potential risks in supply chain management, and ensures stable development of an industrial chain. Through collection and processing of enterprise related information, a supply chain digital panorama based on Neo4j is constructed. The map not only can visually display the position of an enterprise in an industrial chain, but also can provide decision support to help the enterprise better manage and optimize a supply chain.

The invention relates to the field of oil reservoir engineering communication technology research, and discloses a calculation method and system for effective communication of an injection-production system under intelligent identification constraint, and the method comprises the steps: obtaining oil field injection-production comprehensive data, carrying out the standardized preprocessing of the obtained oil field injection-production comprehensive data, achieving the index statistics of the oil field injection-production comprehensive data, and achieving the effective communication of the oil field injection-production system. The injection-production relation between the injection-production well and the injection-production well pattern on each sand body plane is calculated through a ground effective injection-production well pattern and an underground effective injection-production well pattern in sequence according to the oilfield injection-production comprehensive data subjected to standardization pretreatment, and a one-element-one-convergence-element injection-production system mathematical model is established; according to the injection-production relationship between an injection-production well and an injection-production well pattern on each sand body plane, the attributes of an element injection-production system are determined under the constraint of an identification structure and lithology, the effective communication relationship and effective action time of the injection-production system are intelligently identified, and then parameters such as a water drive theoretical sweep area and a water drive reserve utilization area are calculated. The per capita working efficiency can be greatly improved, and the labor time-consuming cost is reduced.

The invention discloses a method for achieving hypoid mechanical arm light weight through a motion stability model, and relates to the field of optimization design of mechanical arm products. Although the lightweight technology research of the mechanical arm has been well developed, the detail knocking at the initial stage of design mainly depends on the engineering experience of designers and finite element analysis software at present, and a unified design standard and evaluation system are lacked. Therefore, the motion stability of the mechanical arm is difficult to accurately predict and control in the optimization design process, so that the actual effect of lightweight design is influenced. According to the method, single evaluation indexes are integrated into double evaluation indexes on the basis of a compromise planning method, different attention degrees on optimization key points can be changed by adjusting weights, and the importance of motion stability and rigidity is fully considered in the lightweight design process; and a reliable technical route and a result evaluation method are provided for realizing light weight of the hypoid mechanical arm.

The invention relates to the technical field of intelligent design and simulation, in particular to an intelligent design and simulation system for engineering technology research and development, which comprises an evolution trend extraction module, a dependency structure construction module, an instruction offset identification module, a working condition variable section positioning module and a matching relation screening module. Extracting the variation amplitude, the rate and the span in the stage design record, grouping to generate a trend label, constructing a trend continuous path, identifying a behavior offset fragment, positioning a high-density disturbance section, screening a matching path with a consistent direction, and outputting a simulation operation result. According to the method, data processing of direction change, rate fluctuation and boundary span is introduced, behavior trend grouping and path construction are completed, included angle matching of a target direction and a path trend is combined, a structural offset fragment and a high-density disturbance section are identified, and a matching path with continuous direction and consistent response is extracted; and the mapping precision and continuity between design and simulation are improved.

The present application relates to the technical field of engineering technology research and development, in particular to a global disaster risk dynamic assessment method for vulnerability of hazard-affected bodies, comprising the following steps: obtaining structure attribute, state, disaster loss, danger, exposure and source data, generating a hazard-affected body state sequence, correcting dynamic vulnerability representation value, generating a spatial vulnerability correction amount according to spatial correlation, calculating risk score and determining risk level in combination with a reliability correction coefficient, and updating the hazard-affected body state sequence or dynamic vulnerability representation value based on evaluation write-back data. In the present application, the hazard-affected body state change, historical disaster loss, spatial correlation, data reliability and evaluation write-back are included in the same calculation link, so that the vulnerability is converted from a static index to an evaluation basis that is dynamically corrected with time and space, the transmission ability of local anomalies to global risk calculation is improved, the influence of quality difference of multi-source data on the stability of risk level is reduced, and a traceable feedback correction closed loop is formed.

The application discloses a device and method for dredging conveying technology research, and belongs to the field of pipeline conveying technology research. The device comprises four parts of a sand hopper system, a recovery pool system, a pipeline conveying system and a measurement control system. The sand hopper system and the recovery pool system form a double-redundancy recovery system. In case of any failure such as blockage or valve jam of any one set of the recovery system, the device can be quickly switched to another set of the recovery system, thereby improving the convenience and safety of the experiment. The pipeline conveying system comprises a motor, a pump and a circulating pipeline and the like, and is used for providing circulating power of the sand-water mixture and a slurry passage. The measurement control system comprises a sensor, a control acquisition system and the like, and is used for controlling the equipment and measuring and adjusting key parameters such as pipeline flow rate and silt concentration in the process of silt injection, the circulating experiment and observation process and the recovery process. The application further discloses methods of sand adding, conveying experiment and sand recovery and the like when the dredging silt conveying experiment is carried out by relying on the device.

The utility model belongs to the technical field of toughness detection devices, and particularly relates to a toughness detection device for research and development of a new material technology, which comprises a turntable, a plurality of fixed tools arranged in a circular array mode and a plurality of guide rails, wherein the fixing tool is suitable for fixing a to-be-tested piece; the telescopic part is arranged on one side of the turntable, and the telescopic end of the telescopic part is connected with a roller; the rotating disc is suitable for driving the to-be-tested pieces on the fixing tools to move to the position below the rolling wheels in sequence during rotation. And the telescopic piece is suitable for driving the roller to press the to-be-detected piece downwards during retraction and pressing the next to-be-detected piece downwards after resetting. According to the toughness detection device for new material technology research and development, the to-be-detected pieces on the fixing tools are driven to move to the position below the roller in sequence during rotation of the turntable; and the telescopic piece drives the roller to press the to-be-detected piece downwards when retracting and presses the next to-be-detected piece downwards after resetting, so that the effects of high automation degree, high continuity and improvement of detection efficiency are achieved.

The invention provides a fracturing integrated digital twinning characterization method. The characterization method comprises the following steps: carrying out model data processing; carrying out oil reservoir environment fusion technology research on the underground model, and carrying out space fusion on a reservoir and a shaft in an underground three-dimensional field; and digital twinning integration is realized. Cross-business and cross-process full-life-cycle data integration is implemented, virtual-real interaction of digital twinning is achieved, and the difficult factors that at present, the number of fracturing construction departments is large, the related business field is complex, and ground and underground integrated means are lacked are effectively overcome.

The present invention relates to a technology valuation method specialized for research and development technology and an apparatus therefor, which enable fair technology valuation to be performed by appropriately applying risk factors according to technology research and development activities. The technology valuation method specialized for research and development technology, according to the present invention, is provided to perform a fair valuation of research and development technology by calculating a technology value with respect to technology being researched and developed, by calculating: a net present value of total sales (a) from the first year to an expected product life cycle period (n); a risk-adjusted net present value of research and development costs (b) from the first year to a research and development completion year (k); a cost (c) required for sales creation after research and development activities from a research and development completion year (k +1) to the expected product life cycle period (n); and a residual value (d) after a product life cycle (PLC) is terminated, subtracting the risk-adjusted net present value (b) and the cost (c) required for sales creation after the research and development activities from the calculated net present value of total sales (a), and then adding the residual value (d).

The invention discloses a micro-injection mold with a mold core position precise adjustment mechanism, and belongs to the technical research field of micro-injection molding and molds thereof. The invention aims to solve the problems that an upper mold core and a lower mold core cannot be accurately aligned due to processing and assembling errors of the existing one-mold multi-cavity micro injection molding filling balance regulation and control device, so that a melt flow path deviates, the filling is unbalanced, and the product quality consistency is poor. The micro injection mold comprises an upper mold, an upper mold core, a convective mixed filling balance regulation and control device insert, a lower mold core and a lower mold, a flow dividing structure is arranged in the convective mixed filling balance regulation and control device insert and divides the interior into two symmetrical flow dividing channels, the cross section of an inlet of each flow dividing channel is gradually reduced towards the cross section of an outlet, and the outlet deflects towards the wall face of the flow dividing channel. According to the invention, complete alignment of the multi-stage sub-runners during mold closing is effectively ensured, the filling balance is improved, and meanwhile, the machining flexibility and the alignment precision of the mold are remarkably improved. The micro injection mold is used for micro injection molding.

The invention discloses an identification method for experts and industry-university-research institutions in the key core technology breakthrough field. The method comprises the following steps: acquiring a scientific research literature lexicon in the key core technology field; based on the scientific research literature lexicon, constructing a domain expert knowledge network oriented to the key core technology to obtain domain expert data of key core technology attacks; constructing an identification network of an industry-university-research cooperation mechanism based on the key core technical field to select industry-university-research mechanism data to be cooperated; and obtaining a matching similarity between the field expert data and the to-be-cooperated industry-university-research institution data, and determining a field expert selected by the to-be-cooperated industry-university-research institution according to the matching similarity. The method solves the problems that an existing domain expert database is single and not detailed enough in data recording of domain experts, or limited to manual collection of personnel or registration of the domain experts, so that the acquired domain expert portraits are not accurate enough due to the lack of personal information, and the user experience is poor. Or the dimension of the field expert portrait cannot cover all aspects, and the technical field features related to the field expert portrait cannot be comprehensively described in a multi-dimensional manner; meanwhile, different subjects of industry-university-research science and technology projects are lack of data support of key core technical fields. An enterprise often encounters technical difficulties in research and development of new products or establishment of industry-university-research institutions and needs to seek field expert collaboration, and the industry-university-research institutions cannot accurately recognize field experts due to the fact that data information (such as internet information) or the information amount of a total data library is large. And the processing efficiency of searching specialists in specific technical fields by industry-university-research is greatly reduced.

The utility model belongs to the technical field of agricultural planting, and particularly relates to a seedling raising frame for agricultural planting technology research and development, which comprises a bottom plate and a stand column, the stand column is fixedly connected to the center of the top of the bottom plate, and a seedling raising device is arranged on the stand column. According to the seedling raising frame for agricultural planting technology research and development, when seedlings need to be illuminated, the sliding sleeves are rotated, the steel pipes are driven to rotate, then the seedling raising plates at the bottoms of the steel pipes are driven to rotate, the seedling raising plates on the sliding sleeves at different positions are arranged in a cross-shaped staggered mode, and therefore the seedlings on the seedling raising plates can be irradiated by sunlight, and cultivation and growth of the seedlings are better facilitated; an external water source is guided into the water receiving pipe and flows to the atomizing nozzles through the steel pipes to be atomized and sprayed out, and the steel pipes on the same side can be connected through the connecting hose, so that synchronous spraying irrigation is performed on a plurality of seedling raising trays, fertilizer water and even insecticide can be sprayed in the manner, and the seedling raising convenience is improved.

The invention belongs to the field of patent value evaluation, and provides a technology maturity dynamic evaluation method based on patent data. Comprising the steps of collecting patent data related to a target technology from a multi-patent database; performing multi-dimensional analysis on the patent data, and evaluating the maturity of the target technology from different angles; the target technology maturity index is calculated in a weighted mode, and target technology maturity reference is provided for decision making. According to the method, patent data can be effectively utilized to evaluate the technology maturity, and objective, accurate, comprehensive and dynamic support is provided for technology research and development and decision making.

The utility model discloses a new material technology research and development workbench. The workbench comprises an operation box; the surface of the workbench mechanism is movably connected with an inner cavity of the operation box, the workbench mechanism comprises a supporting block, supporting rods and a workbench body, the four corners of the top of the supporting block penetrate through the top of the operation box and are fixedly connected with the supporting rods, and the tops of the supporting rods are fixedly connected with the workbench body. The motor, the output rod, the first gear, the second gear, the movable block, the threaded block, the threaded sleeve, the supporting block, the supporting rod and the workbench body are used in cooperation, the motor is started to drive the output rod to rotate, the output rod rotates to drive the first gear to rotate, and the first gear rotates to drive the second gear to rotate; and the second gear rotates to drive the movable block and the threaded block to rotate, meanwhile, the threaded sleeve drives the supporting block, the supporting rod and the workbench body to move upwards through threads, and the practicability of the technical workbench is improved.

The present invention relates to a method and apparatus for evaluating the technical value of research and development technologies, which enables fair evaluation of technical value by appropriately applying risk factors associated with technology research and development activities. The method for evaluating the technical value of research and development technologies according to the present invention is provided to enable fair evaluation of research and development technologies by first calculating the net present value of total sales (a) from the first year to the expected product life cycle period (n), the risk-adjusted net present value of research and development expenses (b) from the first year to the research and development completion year (k), the costs required to generate sales after the research and development activities from the research and development completion year (k+1) to the expected product life cycle period (n) (c), and the residual value (d) after the end of the product life cycle (PLC).

The utility model discloses a working platform for ring electricity technology research and development, which comprises a supporting seat, the top of the supporting seat is movably connected with a supporting shaft, the outer wall of the supporting shaft is fixedly connected with a movable table, the outer wall of the movable table is provided with a slot, one end of the supporting shaft is fixedly connected with a driven belt wheel, and the other end of the supporting shaft is fixedly connected with a rotating shaft. A driving belt is arranged on the outer wall of the driven belt wheel, a driving motor is fixedly connected to the bottom of the supporting seat, and the device is provided with the supporting seat, the supporting shaft, the movable table, the inserting groove, the driven belt wheel, the driving belt, the driving motor, the driving shaft, a driving gear, a driven shaft, a driving belt wheel and a driven gear; the movable table can be driven to rotate intermittently at the same angle conveniently, research and development work can be carried out on different faces of the movable table conveniently, synchronous installation, insertion and other work can be carried out in the test waiting stage conveniently, continuous research and development work can be further achieved, and work efficiency is improved.

The utility model discloses an adjustable AI technology research and exploration platform frame, which belongs to the technical field of AI technology research and comprises a bottom plate, a plurality of outer sleeves are fixedly mounted on the upper surface of the bottom plate, inner plates are slidably mounted in the outer sleeves, a top plate is fixedly mounted at the top ends of the inner plates, and mounting frames are fixedly mounted among the outer sleeves. A first rotating shaft and a worm are rotatably mounted on the mounting frame, a worm gear and a disc are fixedly mounted on the outer surface of the first rotating shaft, a first hand wheel is fixedly mounted at one end of the worm, the worm gear and the worm are used in cooperation, and a plurality of hinge arms are eccentrically hinged to the disc. The outer sleeve and the inner plate are used in cooperation, the inner plate slides up and down in the outer sleeve, the worm and the worm gear are used in cooperation with the disc and the hinge arm, then the clamping rod is driven to move to be separated from or clamped into the first clamping hole and the second clamping hole, adaptive adjustment and locking of the overall height are achieved, and universality is improved.