Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

20results about How to "Easy to implement on site" patented technology

Flexible and automatic milling system for complex and precise metal parts of spacecraft

The invention discloses a flexible and automatic milling system for complex and precise metal parts of a spacecraft. The flexible and automatic milling system is composed of a numerical control machining center, a feeding and discharging subsystem, a function changing module, a cache subsystem, a master control subsystem and a management and control subsystem. The management and control subsystem receives a production plan and then performs intelligent production scheduling, the management and control subsystem sends a numerical control machining program to the numerical control machining center and starts machining, the numerical control machining center calls the master control subsystem for discharging, and the master control subsystem drives the feeding and discharging subsystem to automatically transmit function changing modules bound with parts to be machined to the numerical control machining center. And after machining is completed, the numerical control machining center calls the master control subsystem to take materials, and the master control subsystem drives the feeding and discharging subsystem to convey the function exchange modules to the cache subsystem and feeds back the completion state to the management and control subsystem. The system has an intelligent production scheduling function, and the utilization rate of equipment is greatly improved; and meanwhile, the capability of simultaneous mixed line machining of various different parts is achieved, and the requirement for multi-variety and small-batch flexible production of spacecrafts is greatly met.
Owner:BEIJING SATELLITE MFG FACTORY

Electric constant-temperature tilt angle sensor

The invention relates to the technical field of tilt angle sensors, in particular to an electric constant-temperature tilt angle sensor which comprises a metal shell, a cooling fin, a tilt angle sensor PCB, a semiconductor cooler, a constant-temperature control board PCB and a cooling fan. The tilt angle sensor is cooled, when the temperature of the tilt angle sensor is too low, the tilt angle sensor is heated, and meanwhile, an active cooling fan is used for cooling a radiator of a semiconductor cooler, so that the electric constant-temperature tilt angle sensor can always work at the optimal temperature, and the electric constant-temperature tilt angle sensor is compact in structure, easy to implement on an engineering site and high in practicability. The technical problems that the working temperature of an existing electric constant-temperature tilt angle sensor is not the zero drift temperature calibrated when leaving a factory, certain limitation exists, the internal structure is not compact enough, and on-site implementation is not facilitated are solved.
Owner:GUILIN UNIV OF ELECTRONIC TECH +1

Drilling and blasting method tunnel assembly type UHPC lining structure and construction method

The invention discloses a drilling and blasting method tunnel assembly type UHPC (Ultra High Performance Concrete) lining structure. The drilling and blasting method tunnel assembly type UHPC lining structure comprises a plurality of UHPC lining units; a plurality of longitudinal connecting units, wherein each longitudinal connecting unit is fixedly connected with any two adjacent UHPC lining units; and a plurality of annular sealing rubber units, wherein each annular sealing rubber unit is laid on the annular side surface of the corresponding UHPC lining unit. The invention further discloses a construction method of the drilling and blasting method tunnel assembly type UHPC lining structure. Compared with the prior art, the drilling and blasting method tunnel assembly type UHPC lining structure has the advantages that construction is rapid, and the safety and durability of a secondary lining structure are improved.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI +1

Modular frame and warehousing system

The utility model provides a modular frame and warehousing system, it includes a bottom frame, a top frame and at least one vertical frame, the bottom frame includes a bottom frame, a base and a first connecting seat, the base and the first connecting seat are arranged at four corners of the bottom frame, the base is used for fixing the bottom frame on the ground; the first connecting base is used for being fixedly connected with a vertical frame. The top frame comprises a top frame and a second connecting seat, and the second connecting seat is used for being fixedly connected with the vertical frame; the vertical frame comprises four stand columns, and the stand columns are fixedly connected through transverse rods; the upper ends of the four stand columns of the vertical frame located on the uppermost layer are fixedly connected with the second connecting base. The lower ends of the four stand columns of the vertical frame located on the lowermost layer are fixedly connected with the first connecting base. The modular frame is formed by splicing the bottom frame, the top frame and the multiple vertical frames in a modularized mode, field assembly is more convenient, field implementation is facilitated, and field machining links are reduced.
Owner:MOCANG (SUZHOU) INTELLIGENT TECH CO LTD

Nuclear power station gas sampling device

PendingCN119086180Avalid entrySolve the problem of insufficient pressure differenceNuclear energy generationWithdrawing sample devicesGas collecting tubeNuclear plant
The invention provides a nuclear power plant gas sampling device, and relates to the technical field of nuclear power plant nuclear sampling systems.The sampling device comprises a diffusion pipeline, the input end of the diffusion pipeline is connected to a gas collecting pipeline of a nuclear power plant, the diffusion pipeline is provided with a sampling gas pump, and the sampling gas pump is used for obtaining sample gas from the gas collecting pipeline; the input end of the sampler is detachably connected to the first output end of the diffusion pipeline, and the sampler is used for acquiring part of sample gas from the diffusion pipeline; the input end of the post-treatment pipeline is detachably connected to the second output end of the diffusion pipeline or the output end of the sampler, the post-treatment pipeline is provided with a treatment pump, and the treatment pump is used for enabling the sampler to form a negative pressure state and performing post-treatment on gas in the diffusion pipeline. Power is provided for a gas sample, so that the problem of insufficient pressure difference of an REN pipeline is solved, and gas can effectively enter a sampling device.
Owner:CHINA NUCLEAR POWER ENGINEERING COMPANY LTD

Emergency flood prevention disposal method and device for valley type dry ash storage yard and electronic equipment

This application relates to a flood control emergency response method, device, and electronic equipment for a valley-type dry ash storage yard. The method includes: responding to a preset emergency condition where the water level of the downstream drainage well's tail-end dammed lake meets the required emergency conditions, initiating emergency drainage measures to excavate a flood discharge channel and construct a flood control work surface; using a combination of hydraulic flushing and slurry pumping to clean the surrounding sediment deposits of the upstream drainage well; and after the drainage functions of both the downstream and upstream drainage wells are restored, reshaping the ash surface morphology of the entire valley-type dry ash storage yard based on the flood control work surface to construct a flood discharge system with the drainage wells as the lowest control points within the yard. This solves the problems in related technologies where heavy rain causes drainage wells to be buried by sediment, leading to drainage system failure, rapid rise in water level within the storage yard, and a lack of systematic emergency response measures, resulting in a sharp shortening or even disappearance of the dry beach in front of the dam, posing a risk of ash water overflow and dam collapse.
Owner:GUODIAN SCI & TECH RES INST

GIS ultrahigh frequency partial discharge online monitoring equipment pulse recognition rate detection method

The invention provides a GIS ultrahigh-frequency partial discharge on-line monitoring equipment pulse recognition rate detection method, which comprises the following steps: acquiring GIS ultrahigh-frequency real partial discharge signals, eliminating interference signals of the GIS ultrahigh-frequency real partial discharge signals, and obtaining effective signals after the interference signals are eliminated; reconstructing the effective signal from which the interference signal is eliminated to obtain an ultrahigh frequency simulation construction signal; the PRPD atlas of the test ultrahigh frequency simulation construction signal is consistent with the PRPD atlas of the GIS ultrahigh frequency real partial discharge signal; building a GIS ultrahigh frequency partial discharge on-line monitoring system, and carrying out the pulse recognition rate detection of the GIS ultrahigh frequency partial discharge on-line monitoring system through employing the ultrahigh frequency simulation construction signal; and determining the pulse recognition rate of the GIS ultrahigh frequency partial discharge online monitoring equipment. The operation is simple and convenient, and the practicability is high.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +3

Cable bracket width calculation method, electronic equipment and readable storage medium

The invention relates to the technical field of ship design, in particular to a cable bracket width calculation method, electronic equipment and a readable storage medium. The cable bracket width calculation method comprises the following steps: setting an arrangement rule of cables on a bracket; calculating the width of the bracket according to a set arrangement rule; generating an arrangement diagram of cables on the bracket and the width of the bracket; wherein the bracket can accommodate a plurality of bundles of cables, and the arrangement rule comprises the steps of setting the total width of each bundle of cables, the distance between two adjacent bundles of cables, the number of the cables in each bundle of cables, the outer diameter of each cable and the number of layers of cable arrangement. According to the cable bracket width calculation method, the electronic equipment and the readable storage medium provided by the invention, the problems that the working time is long and errors are easy to make due to the fact that the calculation of the bracket width in the prior art needs to spend a lot of manpower are solved.
Owner:SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD

Carbonate reservoir geology-engineering double-dessert calculation method and carbonate reservoir geology-engineering double-dessert calculation system

The invention discloses a carbonate rock reservoir geology-engineering double-dessert calculation method and system, and relates to the technical field of carbonate rock oil and gas reservoir development. The method comprises the steps that single well maximum daily output data is acquired, geological engineering parameters related to the output are collected and calculated, and a geology-engineering-based multi-source data sample of a single fault zone is established; determining main control factors influencing the yield; calculating geological engineering parameter weights, and establishing an identification model; and taking the yield as a final target, and calculating to obtain a comprehensive dessert evaluation index. The system comprises a control terminal, a data acquisition module, a data analysis module, a model construction module and a data calculation module. The carbonate rock geological engineering double-dessert identification method is constructed for the first time according to the geological structure characteristics of the carbonate rock fracture-vug type reservoir, the dessert quality of a target well is reflected from multi-aspect data, and the reservoir quality of the carbonate rock fracture-vug type reservoir is evaluated comprehensively and objectively.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Method for treating ultralimit problem of dissolved oxygen content in desalting and deoxidizing water tank of pressurized water reactor nuclear power station

The invention particularly relates to a method for treating the problem of overrun of the content of dissolved oxygen in a desalting and deoxidizing water tank of a pressurized water reactor nuclear power plant. The method comprises the following steps: eliminating other reasons except for an overflow pipeline; closing a recirculation pipeline isolation valve of the drainage pump, and checking whether the problem is caused by an overflow pipeline or not; after the reason of the problem is determined to be the overflow pipeline, siphoning oxygen-containing water in the overflow pipeline through a water pumping pipeline or heating the overflow pipeline through a heat tracing band; and when a problem occurs again, checking whether the water pumping pipeline or the heat tracing belt works normally, if not, recovering the water pumping pipeline and / or the heat tracing belt to work normally, and if so, checking whether the desalting and deoxidizing water tank and the recirculation pipeline of the draining pump are abnormal. The problem that the dissolved oxygen content of the desalting and deoxidizing water tank exceeds the limit is solved, the treatment cost is low, the treatment effect is good, the treatment efficiency is high, the space needed by on-site implementation is small, and on-site implementation is easy.
Owner:JIANGSU NUCLEAR POWER CORP

Load parameter detection method and device for lining plate radial pressure type ball mill

ActiveCN119549244AThe detection data is accurate and reliableHigh precisionGrain treatmentsMathematical modelFilling rate
The invention discloses a method and a device for detecting load parameters of a lining plate radial pressure type ball mill, and belongs to the field of automatic detection in a beneficiation process. According to the invention, a radial pressure signal and an original point position signal borne by a measuring lining plate are obtained through a force sensor and a position sensor which are arranged on a ball mill cylinder, and the signals are transmitted to a detection host through a wireless transmitter-receiver. The method comprises the following steps: calculating the position angle of a measuring lining plate and the radial pressure of the measuring lining plate according to a position signal and a radial pressure signal, establishing a radial pressure dynamic data matrix corresponding to each position angle, filtering the dynamic data matrix to obtain a filtered data matrix, and calculating the radial pressure of the measuring lining plate on the basis of the filtered data matrix. And calculating the loading capacity, the filling rate and the steel-to-material ratio of the ball mill through a related mathematical model. The loading capacity, the filling rate and the steel-to-material ratio of the ball mill can be accurately detected on line, and positive effects are achieved on intelligent control over ore grinding classification, reduction of energy consumption and steel consumption and improvement of the ore grinding efficiency and the product percent of pass.
Owner:KUNMING UNIV OF SCI & TECH

Evaluation method of compressibility of conglomerate reservoir

The present invention provides a method for evaluating the compressibility of a conglomerate reservoir. The method for evaluating the compressibility of a conglomerate reservoir comprises: obtaining a brittleness index of the conglomerate reservoir; obtaining a fracture index of the conglomerate reservoir; obtaining a reformed zone width index of the conglomerate reservoir; calculating the compressibility index of the conglomerate reservoir according to the brittleness index, the fracture index and the reformed zone width index; and evaluating the compressibility of the conglomerate reservoir according to the compressibility index. The present invention solves the problem that the evaluation of the compressibility of conglomerate reservoirs in the prior art is difficult to implement.
Owner:PETROCHINA CO LTD

A control method for reducing the failure rate of hot strip layer cooling equipment

This invention relates to a control method for reducing the failure rate of hot-rolled strip cooling equipment. The steps are as follows: the system tracks the position and speed of the strip and transmits the data to the PLC; after the tail of the strip passes through the corresponding cooling manifold roller conveyor, the solenoid valve of the cooling manifold closes, completing the setting and control of the coiling temperature of the current strip; after the tail of the strip passes through each set of cooling manifold roller conveyors, a virtual strip is generated in that area; the virtual strip is sprayed after the tail of the previous coil passes; after the virtual strip is sprayed, the setting and control of the actual rolled steel coil for the next coil are entered; according to the different coiling temperatures or rolling rhythms of the rolled steel grades, the interval between sprayed strip coils and the spraying time are optimized. This method requires no manual intervention in production, the system operates stably and reliably, solves the problem of high solenoid valve failure rate caused by high-temperature baking, effectively improves the quality of hot-rolled products and reduces the equipment failure rate.
Owner:HANDAN IRON & STEEL GROUP CO LTD +1

Formwork reinforcing device for U-shaped prefabricated member of windowsill coping

The utility model relates to the technical field of windowsill coping U-shaped prefabricated part construction, aims at solving the problems that a traditional U-shaped prefabricated part formwork is not firm in installation, poor in reinforcing effect and difficult to demould, and edges and corners of a U-shaped prefabricated part are prone to being damaged, and provides a reinforcing device for a windowsill coping U-shaped prefabricated part formwork. Comprising two opposite outer side formworks and an inner side formwork located between the outer side formworks, end formworks are arranged at the two ends of the outer side formworks and the two ends of the inner side formwork, the bottom of the inner side formwork is suspended, and concrete is poured between the outer side formworks and the inner side formwork and at the bottom of the inner side formwork; outer mold connecting pieces are connected to the outer sides of the outer side mold plates, inner mold connecting pieces are connected to the inner sides of the inner side mold plates, the upper portions of the outer mold connecting pieces and the upper portions of the inner mold connecting pieces extend out of the top faces of the outer side mold plates and the top faces of the inner side mold plates correspondingly, and the upper portions of the outer mold connecting pieces and the upper portions of the inner mold connecting pieces are connected through fixing plates; the reinforcing device is good in reinforcing effect, high in formwork erecting efficiency and convenient to detach, and the prefabricated parts cannot be damaged.
Owner:CHINA MCC5 GROUP CORP LTD

Bridge damping ratio testing method, system, equipment and program product

The invention discloses a bridge damping ratio testing method, system, device and program product, and the method comprises the steps: building a finite element model of a to-be-tested bridge, and carrying out the simulation analysis of the model, and obtaining a dynamic characteristic parameter theoretical result; acquiring bridge structure vibration data under various natural environment excitation; according to a dynamic characteristic parameter theoretical result, performing modal fitting analysis on the environment excitation vibration data to obtain dynamic characteristic parameters of each order vibration mode under various natural environment excitation in different time periods; based on the dynamic characteristic parameters under the natural environment excitation, collecting the structural dynamic response of the excitation vehicle in the continuous excitation process of the to-be-tested bridge, and obtaining the dynamic characteristic parameters under the artificial excitation of each order of vibration mode; according to the theoretical result of the dynamic characteristic parameters of the to-be-tested bridge, modal fitting analysis is conducted on the dynamic characteristic parameters under manual excitation, and the damping ratio of each order of vibration mode of the to-be-tested bridge is obtained. The bridge damping ratio testing method disclosed by the invention has the advantages of small error, high precision and high efficiency.
Owner:中路高科交通检测检验认证有限公司 +1

Cantilever construction frame for cantilever long eave board outside concrete bin

ActiveCN224200236Uavoid materialsAvoid manual consumptionClimate change adaptationScaffold accessoriesEavesArchitectural engineering
The utility model discloses a cantilever construction frame for a cantilever long eave board outside a concrete bin, which comprises a silo unit, a cantilever unit, a cantilever unit, a cantilever unit and a cantilever unit, wherein the silo unit comprises a silo body and an eave board arranged at the top of the silo body; the overhanging unit comprises tripods, reducing steel pipe heads, protective vertical rods, supporting formworks, supporting vertical rods, protective horizontal rods and battens, the tripods are installed on the silo body at intervals in the circumferential direction, the supporting formworks are horizontally installed on the tops of the tripods, and the protective vertical rods are installed on the outer sides of the tops of the tripods through the reducing steel pipe heads; the protective vertical rod is arranged on the inner side of the supporting formwork and extends upwards to the position above the outer side of the eave board, the supporting vertical rod is arranged on the inner side of the supporting formwork and extends upwards to the position below the bottom face of the eave board, the two ends of the protective horizontal rod are connected with the protective vertical rod and the supporting vertical rod through fasteners respectively, and a first batten is arranged between the protective horizontal rod located below the eave board and the eave board. By adopting the mode that the cantilever units are installed outside the silo body, consumption of a large number of materials and manpower for erecting a supporting frame body on the traditional ground is avoided, and the construction cost is remarkably reduced.
Owner:CHINA RAILWAY NO 5 ENG GRP BUILDING ENG

System for reducing organic acid enrichment of ethylene glycol device

The utility model discloses a system for reducing organic acid enrichment of an ethylene glycol device. The system comprises an evaporation tower system, a vacuum effect evaporation tower, a dehydration tower, an MEG tower, an MEG circulating tower, a DEG tower, a TEG tower, an MEG circulating tower injection pump system, a TEG separating tower injection pump system, a hot well, a hot well pump, a circulating water discharge cooler, a water treatment unit, a recirculating water storage tank and a circulating water pump. The evaporation tower system is sequentially connected in series with the bottoms of the vacuum effect evaporation tower, the dehydration tower, the MEG tower, the MEG circulating tower, the DEG tower and the TEG tower through pipelines, an MEG circulating tower condenser at the top of the MEG circulating tower is communicated with the hot well after passing through an MEG circulating tower injection pump system, and a DEG product cooler at the top of the DEG tower is communicated with the hot well after passing through a TEG separation tower injection pump system; a TEG tower condenser at the top of the TEG tower passes through a TEG separation tower injection pump system and then is communicated with a hot well, the hot well passes through a hot well pump and then is communicated with a circulating water discharge cooler, and the circulating water discharge cooler sequentially passes through a water treatment unit, a recirculating water storage tank and a circulating water pump through pipelines and then is communicated with an evaporation tower system.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A split-type sliding device and its translation method for heavy-duty silos

ActiveCN117513810BWeight increaseThe force transmission characteristics of the cylinder wall are obviousClimate change adaptationBuilding repairsJackscrewVertical load
This invention relates to a split-type sliding device and its method for translating heavy-duty silos. A chute is laid on a lower track beam; a sliding box is installed on the chute and can slide along it; a vertical lifting jack is installed inside the sliding box; after pulling the sliding box to the lifting point below the silo wall, the vertical lifting jack and the vertical load control box are connected; the vertical load control box is activated to complete the silo lifting and replacement and remove temporary supports; a horizontal traction jack and the traction load control box are installed; the horizontal traction device is connected to the anchor block at the end of the sliding box via the connecting steel bar, and the connecting steel bar passes through the concrete reaction pier and is anchored to the horizontal traction jack; the traction load control box is activated to realize the silo translation. A limiting device is set between the sliding box and the chute to prevent large swaying of the heavy-duty silo during translation. Connecting bolt anchor blocks are set at both the front and rear of the sliding box to ensure that multiple sliding boxes can be connected in series on the same sliding track. This invention uses a single-point support slide box and lightweight matching slide rails, which facilitates on-site implementation in areas with limited installation space and features a low coefficient of friction, reducing translational traction force and improving translational construction efficiency.
Owner:JIANGSU JIANKE CIVIL ENG TECH CO LTD +1

Integrated installation method for large mast

The present invention discloses an integrated installation method for a large mast, comprising the following steps: (1) installing the bottom mast and the hull structure in an integrated manner; (2) making the platform, the outfitting base and the cable bridge in an integrated manner with the mast body; (3) after determining the BASE surface of the mast body, horizontally placing the mast body in a shipyard by means of a jig; (4) arranging an upper lifting lug, a middle lifting lug and a lower lifting lug on the outside of the mast body; (5) installing equipment that does not interfere with the lifting; (6) lifting the mast body in an integrated manner, moving it horizontally to a designated position above the dock, and then flipping the mast from a horizontal state to a vertical state and installing it; (7) installing the railing of the upper platform and then installing the valuable equipment; (8) installing the internal equipment of the mast body; and (9) cutting off the lifting lug. The present invention solves the problem of multiple lifting of large masts and improves the convenience of on-site construction.
Owner:NANTONG COSCO KHI SHIP ENG