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148results about How to "Improve maintenance quality" patented technology

Concrete curing device for constructional engineering

The invention discloses a concrete curing device for constructional engineering, and belongs to the technical field of constructional engineering. The device comprises the following modules: a data acquisition and sensing module for acquiring real-time parameters of the interior and surface of concrete through a temperature and humidity sensing network and a plurality of detection devices so as to support subsequent data analysis and decision; the internal temperature control execution module is used for controlling the internal temperature of the concrete through a snake-shaped cooling pipeline and precise flow regulation and maintaining the concrete within a proper curing temperature range; the surface curing execution module is used for continuously curing the concrete surface, and all-directional spraying of concrete surface curing moisture and cyclic utilization of water resources are achieved; the central control module is responsible for data analysis, maintenance decision optimization and execution instruction distribution, and intelligent control and remote monitoring of the maintenance process are achieved; and the performance evaluation module monitors the concrete strength development in real time, evaluates the maintenance effect, provides trend analysis and optimization suggestions, and provides a basis for continuous improvement of a maintenance decision.
Owner:SHANXI DATONG UNIV

Distribution network multi-parameter data fusion fault positioning method and system

The invention discloses a distribution network multi-parameter data fusion fault positioning method and system, and the method and system achieve the omnibearing monitoring of a power distribution network fault through the collection of multiple types of data, such as electrical signals, video images, meteorological information and environmental parameters. Compared with a traditional fault positioning method of a single information source, the system can reflect the fault condition more truly, and the positioning accuracy and reliability are remarkably improved. Machine learning or a deep learning model is utilized to analyze fusion data, fault types and positions are automatically identified, intelligent diagnosis is realized, manual intervention is reduced, the operation and maintenance cost is reduced, and the processing efficiency and accuracy are improved. The real-time data acquisition and transmission technology guarantees the system to monitor in real time and rapidly alarm potential faults. According to the method, historical data and an expert knowledge base are combined, fault causes are deeply analyzed, accurate information and maintenance suggestions are provided for maintenance personnel, operation and maintenance decisions are optimized, and the maintenance efficiency and quality are enhanced. The system provides an efficient and intelligent solution for distribution network fault positioning.
Owner:ZHONGSHAN XINTONG COMM CO LTD

Prefabricated pier column assembly type steam curing cover

According to the prefabricated pier column assembly type steam curing cover, the segment steam curing cover can be assembled along with the length change of the pier column, and the assembly type curing cover is high in curing efficiency, small in heat loss, convenient to assemble and disassemble, capable of being flexibly produced in an open-air factory or a construction site and high in adaptability. And meanwhile, the concrete prefabricated part also has the advantages of greatly improving the environmental conditions of a construction site, saving raw materials, accelerating the construction speed, being reusable and the like. The method has good economic benefits, scientific and technological benefits and social benefits.
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST (GRP) CO LTD +2

Complex pavement damage condition detection method and device fused with unmanned aerial vehicle

The invention discloses a complex pavement damage condition detection method integrated with an unmanned aerial vehicle. The method specifically comprises the following steps: S1, an unmanned aerial vehicle platform and a sensor system; s2, image preprocessing and feature extraction; the invention relates to the technical field of intelligent traffic. According to the complex road surface damage condition detection method and device fused with the unmanned aerial vehicle, the unmanned aerial vehicle is high in inspection speed and wide in coverage range, the detection period is greatly shortened, the detection cost is reduced, and artificial intelligence technologies such as deep learning and machine learning are combined, so that accurate recognition and classification of road surface damage conditions are realized, and the detection precision is improved; a comprehensive detection report and three-dimensional visual analysis are provided, a scientific basis is provided for road maintenance decision, traffic safety management and urban planning, road maintenance is promoted to develop towards the intelligent and precise direction, the road maintenance efficiency and quality are improved, traffic safety is guaranteed, an interactive decision support system is developed, and the development of the road maintenance system is facilitated. And the user operation convenience and the decision-making efficiency are improved.
Owner:JSTI GRP CO LTD +1

Chain store equipment operation inspection system based on data analysis

The invention relates to the field of chain store equipment management, in particular to a chain store equipment operation inspection system based on data analysis, and is used for solving the problems that an existing chain store equipment operation inspection mode is long in response time, low in inspection efficiency and accuracy and inaccurate in maintenance personnel matching. The system comprises the following modules: an equipment monitoring module, an equipment analysis module, an operation evaluation module, an abnormity notification module, a personnel analysis module and a personnel management module. The system accurately monitors the operation fault of the store equipment in real time, improves the timeliness and accuracy of fault discovery, selects the most suitable maintenance personnel for the fault equipment, improves the maintenance efficiency and quality, optimizes the inspection flow through an intelligent means, shortens the inspection period, improves the inspection efficiency, accuracy and timeliness, and improves the maintenance efficiency and quality. The system improves the overall operation efficiency and service quality of chain stores, and has wide application prospects and market values.
Owner:BEIJING LINGHUAFENG COMM TECH CO LTD

Elevator monitoring system based on Beidou satellite positioning

PendingCN119284681AImprove the level of informatizationimprove securityBiological modelsElevatorsShort Message ServiceData acquisition
The invention discloses an elevator monitoring system based on Beidou satellite positioning, and the system comprises an elevator person trapping event recognition module which is used for judging whether a person trapping event occurs in an elevator or not; the elevator operation characteristic data acquisition module is used for acquiring elevator operation characteristic data; the elevator fault recognition module is used for constructing an elevator fault recognition model and recognizing the elevator fault type; the active alarm analysis module is used for judging whether emergency alarm is needed or not according to the elevator operation characteristic data; the automatic alarm module is used for sending rescue data of people trapped in the elevator through short message services of the rescue unit in the elevator car and the Beidou satellite navigation system; the elevator posture monitoring module is used for continuously monitoring elevator posture data and recognizing the abnormal state of the elevator posture; and the elevator fault maintenance module is used for generating a maintenance work order of the equipment and synchronously updating the maintenance execution state of the fault elevator. According to the method, the comprehensive management level of all parties on elevator equipment is improved, the elevator operation management cost is reduced, and the elevator operation economic benefits are improved.
Owner:GUANGDONG SPECIAL EQUIP TESTING INST MEIZHOU TESTING INST

Axle bearing press-fitting in-place detection and clearance measurement equipment

The utility model discloses a wheel shaft bearing press-fitting in-place detection and clearance measurement device. The whole device is composed of a frame body (1), a lifting mechanism (2), a pushing and blocking wheel mechanism (3), a centering mechanism (4), a clearance measurement mechanism (5), a reference lifting mechanism (6) and a shaft end measurement mechanism (7). The utility model relates to the technical field of railway vehicle maintenance, in particular to a rear stop and bearing press-fitting device of a railway vehicle axle, which can realize automatic operation completion of a detection process, reduces errors generated during manual measurement of numerical values, improves measurement precision, solves the problem of overhigh labor intensity during manual measurement, and improves the detection efficiency. Potential safety hazards in the measurement process are reduced, a foundation is laid for unmanned operation of axle bearing press fitting of railway vehicles, the overhaul efficiency is improved, the overhaul quality is improved, and the device is important equipment in the railway vehicle overhaul process.
Owner:QIQIHAER SIDA RAILWAY EQUIP

Dust cleaning robot for electric dust remover

The utility model relates to a dust cleaning robot for an electric precipitator. Comprising a sweeping device A, a support, a sweeping device B and a walking mechanism, the front end of the walking mechanism is fixedly connected with the support, the support is fixedly connected with a sweeping device shell of the sweeping device A, a supporting rod of the walking mechanism is provided with holes at intervals, and a fixing pin of the sweeping device B penetrates through the holes of the supporting rod of the walking mechanism to be inserted into a fixing block. And the cleaning device B is fixed on the walking mechanism. The dust removal robot for the electric dust remover can move in the electric dust remover, check the integrity of an anode plate and a cathode wire and the firmness of a welding spot, check and clean internal faults of the electric dust remover, replace manpower with a machine, reduce personal safety risks, improve the overhaul quality and efficiency of the electric dust remover, guarantee good operation of the electric dust remover, and reduce smoke emission. Emission performance is improved, and operation stability of the thermal power generating unit is improved.
Owner:BEIJING GUODIAN NDT CO

Track inspection method for electric passenger car

The invention discloses an electric passenger car track detection method, which comprises the following steps of: starting initialization after a track detection host is electrified, entering a waiting state after completion, reading a tag ID, judging the tag ID, starting detection if the tag ID is started, and continuing to detect the tag ID if the tag ID is not started. The track detection host obtains the transverse / vertical acceleration of a vehicle through the triaxial accelerometer, obtains a line radio frequency tag signal through the radio frequency tag reader, and obtains and calculates track information through the inertial navigation device. And the synchronous controller outputs mileage information to the rail detection host after acquiring a signal of the speed sensor, and triggers the laser triangulation assembly to acquire steel rail profile data. The rail inspection host obtains the transverse / vertical acceleration, the track, the mileage and the steel rail profile information of the vehicle, and solves the geometric parameter data of the rail. The technical problems that an existing rail detection operation mode is low in operation efficiency, real-time online detection cannot be achieved, and detection line data cannot truly reflect line dynamic parameters in the running state of the electric passenger car can be solved.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD

Drawer type concrete test piece intelligent curing cabinet

The utility model discloses a drawer type concrete test piece intelligent curing cabinet which comprises a temperature adjusting device used for adjusting the internal temperature of the curing cabinet and a humidity adjusting device used for adjusting the internal humidity of the curing cabinet, and the curing cabinet is provided with a plurality of drawers used for placing concrete test pieces. The drawers and a cabinet body of the curing cabinet form a closed curing space of a concrete test piece, grating holes are formed in the bottom of each drawer, a spraying head is correspondingly arranged above each drawer, each spraying head is connected with the humidity adjusting equipment through a pipeline, and a temperature and humidity sensor is arranged in the curing cabinet. According to the utility model, the maintenance efficiency of the concrete test piece and the working efficiency of testers can be improved.
Owner:GUANGDONG BUILDING MATERIALS RES INST CO LTD +1

Outer wall facade concrete timing curing equipment

The invention discloses external wall facade concrete timing curing equipment, and belongs to the technical field of concrete curing. An outer wall facade concrete timing curing device comprises a scaffold transverse pipe, a curing spraying pipe and two fixed pulleys, a hoisting steel cable is installed at the upper end of the curing spraying pipe, a fixed bottom plate is installed below the scaffold transverse pipe, and a winch is installed at the upper end of the fixed bottom plate. The problems that an existing spraying and curing device cannot adapt to concrete outer walls of different heights, the curing range is reduced, and adaptability is poor are solved, a hoisting steel cable is wound through a winch, a curing spraying pipe is driven to move, and in the moving process of the curing spraying pipe, the spraying effect is good. The two sides of the maintenance spraying pipe are kept stable through the balancing weight at the lower end of the maintenance spraying pipe, so that in the lifting process of the maintenance spraying pipe, the adjusting structure is simple, mounting and dismounting are convenient through cooperation of the scaffold transverse pipe and the fixed pulley, and concrete outer wall maintenance work at different positions is facilitated.
Owner:BEIJING URBAN CONSTR GROUP

Method for repairing superficial cracks of 30CrMnSiA steel based on high-throughput additive manufacturing

The invention discloses a method based on a high-throughput additive manufacturing technology, which ensures effective repair of cracks and recovery of part performance through the steps of accurate crack detection, surface pretreatment, additive manufacturing repair, post-treatment, performance verification and the like. In the surface pretreatment stage, oil stains and organic impurities in a crack area are thoroughly removed through a laser cleaning technology, and then the binding force of the repairing material and a base material is enhanced through physical polishing and sand blasting treatment. In the repairing process, appropriate additive manufacturing equipment is selected, and technological parameters are optimized to achieve accurate filling of cracks. And after repairing, necessary post-treatment including surface polishing and heat treatment is carried out, so that internal stress is eliminated, and the mechanical property of the repaired area is improved. The method is suitable for crack repair of the high-strength alloy steel, has the characteristics of simplicity and convenience in operation, high repair efficiency and reliable quality, and is suitable for component maintenance and repair in the fields of aviation, automobiles, military industry and the like.
Owner:NANCHANG HANGKONG UNIVERSITY

Electric power overhaul method and device based on hybrid dynamic motion primitives

The invention discloses an electric power overhaul method and device based on hybrid dynamic motion primitives. The method comprises the following steps: acquiring a plurality of demonstration tracks of the equipotential robot; performing dynamic motion primitive modeling on each demonstration track to obtain a corresponding initial hybrid dynamic primitive model; evaluating the fluency of the demonstration trajectory according to the evaluation indexes to determine the model weight of each initial hybrid dynamic primitive model; determining a hybrid dynamic primitive model according to the initial hybrid dynamic primitive model and the model weight; the electric power maintenance task is written into the equipotential robot, so that the equipotential robot generates a maintenance track when receiving the electric power maintenance task; and controlling the equipotential robot to execute electric power overhaul operation based on the overhaul track. The technical problems that in the prior art, an equipotential robot can only learn a single track, and in the electric power overhaul process, due to the fact that too many inflection points exist in the generated track, a bucket arm vehicle violently shakes, the overhaul efficiency is low, and the working quality is poor are solved.
Owner:GUANGDONG POWER GRID CO LTD +1

Pneumatic accessory comprehensive test bench

The utility model discloses a comprehensive test board for pneumatic accessories, which comprises a test board body, and an air source and a pressure output end are arranged in the test board body. The air source comprises an air source and a nitrogen source, and the air source is connected with a plurality of low-pressure output ports through a low-pressure test pipeline to form a low-pressure test system; the pressure output end comprises low-pressure pressure output ports and a high-pressure pressure output port, the low-pressure pressure output ports are connected in parallel, and a nitrogen gas source is connected with the high-pressure pressure output port through a high-pressure test pipeline to form a high-pressure test system. The test requirements of most pneumatic accessories can be met, the multiple low-pressure test systems carry out low-pressure tests on the multiple pneumatic accessories at the same time, the maintenance efficiency and the product quality can be greatly improved, and the maintenance period of products is greatly shortened.
Owner:SHANGHAI FEIYE AVIATION TECH CO LTD

An intelligent temperature control curing method for ultra-high performance concrete

ActiveCN121537224BAchieve accurate multi-dimensional characterizationGuaranteed pertinenceAuxillary shaping apparatusTemperature controlMechanics
This invention relates to the field of ultra-high performance concrete (UHVPC) curing technology, and more particularly to an intelligent temperature-controlled curing method for UHVPC. The method includes the following steps: generating preliminary temperature-controlled curing data for concrete based on UHVPC mix proportion parameters and temperature-controlled curing requirements data; analyzing the distributed temperature field characteristics of the pouring nodes using UHVPC pouring node data to generate distributed temperature field characteristic data for the pouring nodes; analyzing the temperature evolution and hydration state of the pouring node temperature field based on the distributed temperature field characteristic data and the preliminary temperature-controlled curing data to generate temperature evolution and hydration regulation state data; and performing dynamic temperature-controlled curing analysis on the preliminary temperature-controlled curing data to generate dynamic temperature-controlled curing data for the concrete. This invention achieves intelligent temperature-controlled curing by combining the application of UHVPC.
Owner:HUNAN HARBOR ENG INSPECTION CO LTD +1

A vertical transmission shaft disassembly and assembly device for a large hydraulic pump station

The present invention relates to the technical field of maintenance tools, and proposes a vertical transmission shaft disassembly and assembly device for a large-scale water conservancy pump station, comprising a bracket, a first movable member and a second movable member movably arranged relative to the bracket, a first fixed hole formed between the first movable member and the second movable member, a transmission shaft passing through the first fixed hole, two lifting members, which are respectively lifted and lowered on the first movable member and the second movable member, a second fixed hole formed between the two lifting members, the second fixed hole being used to accommodate the transmission shaft, the lifting members being abutted or cancelled with the connecting flange of the transmission shaft after being lifted and lowered, a first connecting member being slidably arranged on the first movable member, a second connecting member being slidably arranged on the second movable member, and the second connecting member being connected or cancelled with the first connecting member after relative movement. The above technical scheme solves the problem in the prior art that a large transmission shaft vertically arranged to the ground during equipment maintenance affects maintenance operations and is difficult to replace.
Owner:HEBEI CONSTR GRP INT ENG CO LTD

Valve measuring device and nuclear power station maintenance equipment

The utility model provides a valve measuring device and nuclear power station maintenance equipment. The valve measuring device comprises a first plate body, a second plate body which is spaced from the first plate body in parallel, a third plate body which is connected with the first plate body and the second plate body, an adjusting mechanism which is arranged on the first plate body, an ejection mechanism which is arranged on the adjusting mechanism, and a measuring mechanism which is arranged on the second plate body. Wherein a fixing hole used for fixing the valve body is formed in the second plate body, the adjusting mechanism can adjust the position of the ejection mechanism so as to be aligned with the fixing hole, the ejection mechanism can eject out a valve element of the valve body, and the measuring mechanism measures the ejection length of the valve element after the ejection mechanism ejects out the valve element. By adopting the technical scheme, the accuracy degree of off-line measurement of the starting valve is improved, and the measurement operation is simplified.
Owner:CHINA GENERAL NUCLEAR POWER OPERATION

A maintenance mechanism for precast bridges

ActiveCN224689262UImprove maintenance qualityIncrease ambient temperature evenlyStructural engineeringMechanical engineering
The utility model discloses a kind of maintenance mechanisms for prefabricated bridge, including support, disturbance piece is supported on the support side of support, spray pipe at the top of disturbance piece, and liquid collecting tank at the bottom of disturbance piece;Disturbance piece has multiple continuous undulating disturbance structures;Spray pipe is provided with spray head;When the spray head sprays, water body flows through disturbance structure and is dispersed and disturbed to diffuse into the air of maintenance operation interval after conversion into gaseous state, part of water body not completed conversion is collected by the liquid collecting tank;The utility model realizes temperature and humidity control by spraying water body to disturbance piece, in the flowing process of water body along disturbance piece, the guidance and obstruction of flowing through multiple continuous undulating disturbance structures on disturbance piece are dispersed, disturbed, finally in the form of tiny water molecule group escapes, and evenly diffuse into the air of maintenance operation interval, to realize the uniform promotion of ambient temperature and relative humidity, improve the maintenance quality of prefabricated bridge.
Owner:GUANGDONG SMART LOW CARBON ROAD & BRIDGE EQUIPMENT TECHNOLOGY CO LTD +1

Large-volume coarse aggregate UHPC (Ultra High Performance Concrete) maintenance method based on temperature and humidity joint control

PendingCN121961350Aideal surface temperatureReasonable maintenance measuresImage enhancementData processing applicationsImaging processingAtmospheric sciences
The invention discloses a large-volume coarse aggregate UHPC maintenance method based on temperature and humidity joint control, and the method comprises the steps: scanning an infrared temperature image and an infrared humidity image of a coarse aggregate UHPC structure in a maintenance process through an infrared temperature and humidity scanner, constructing a three-dimensional coordinate system, and calculating the coordinates of a pixel projection grid; fusing two adjacent infrared temperature images and infrared humidity images to obtain representative temperature and representative humidity; constructing an absolute temperature rise model and a three-dimensional heat conduction equation, and calculating a real-time ideal temperature; and formulating a temperature and humidity combined control maintenance measure. Joint detection of the temperature and humidity of each point position on the surface of the structure is realized by combining thermal imaging scanning and an image processing technology, accurate temperature and humidity joint control maintenance is performed by combining the surface humidity, accurate maintenance of a large-volume coarse aggregate UHPC area is realized, and the maintenance quality can be effectively improved.
Owner:CCCC HIGHWAY BRIDGES NATIONAL ENGINEERING RESEARCH CENTRE CO LTD

Maintenance device and maintenance process for concrete construction

The invention relates to the technical field of building construction, in particular to a concrete construction curing device which comprises a plurality of water spraying mechanisms, a pipeline and an electromagnetic valve. The water sprinkling mechanism comprises a base, a main body part, a rotating part, a first connecting pipe, a second connecting pipe, a plurality of branch pipes and a plurality of spray heads; the first connecting pipe and the second connecting pipe are both mounted on the main body part; the main body part is coaxially mounted on the base, and the main body part is positioned above the base; the main body part is coaxially sleeved with the rotating part, and the rotating part is rotationally connected with the main body part; the plurality of branch pipes are uniformly distributed in the circumferential direction of the rotating part; the nozzles are mounted on the branch pipes; through the counter-acting force of spraying water, the spraying head rotates along the axis of the main body part while spraying and curing concrete, so that the regional area of the concrete is expanded, meanwhile, the rotating speed of the spraying head along the axis of the main body part is adjusted conveniently according to the water outlet amount of the spraying head, and curing and spraying of the concrete in different building spaces are achieved; and the concrete curing efficiency is improved.
Owner:CHINA CONSTR WESTERN CONSTR NORTH CO LTD

A small motor repair cart

This utility model discloses a small motor maintenance trolley, including a hydraulic system, a lifting system, an adjustable clamping mechanism, a rotating mechanism, and auxiliary tools. The lifting system includes a main frame and a lifting platform. The hydraulic system includes an oil tank, a hydraulic pump, multiple sets of hydraulic cylinders, and supporting oil pipelines. The rotating mechanism is mounted on a base and includes two opposing rotating bodies and rotating clamps. The adjustable clamping mechanism includes two opposing clamps. Auxiliary tools include a frame shell, etc. This utility model enables 360-degree rotational maintenance of motors, achieving efficient, safe, and convenient motor maintenance operations, and is suitable for various motor maintenance scenarios.
Owner:HUADIAN TIBET ENERGY CO LTD

Automobile service process supply chain management method, system and device and storage medium

The invention relates to an automobile service process supply chain management method, system and device, and a storage medium, and the method comprises the steps: obtaining vehicle reservation information from an automobile service platform, and carrying out the project analysis, and obtaining vehicle information and maintenance reservation information; designing a vehicle inspection process based on the vehicle information and the maintenance reservation information to obtain a corresponding initial inspection scheme; performing maintenance characteristic matching on the maintenance reservation information according to a preset comprehensive automobile database to obtain a corresponding maintenance standard group; performing maintenance scheduling on the vehicle reservation information according to the maintenance standard group to obtain an initial maintenance scheme; and carrying out integration processing on the initial inspection scheme and the initial maintenance scheme to obtain an automobile service scheme. According to the invention, seamless connection from reservation to maintenance can be provided, and the overall quality and efficiency of automobile service are greatly improved.
Owner:共幸科技(深圳)有限公司

Motor train unit maintenance test system based on microcomputer network system

The invention discloses a motor train unit maintenance test system based on a microcomputer network system. The motor train unit maintenance test system comprises a main controller, a communication module, a signal source and detection equipment module, a photoelectric conversion module and a relay array module. And the main controller controls the communication module, the signal source and detection equipment module and the relay array module to work through platform internal data communication. And the relay array module forms an electrical path between the signal source and the detection equipment module and the detected piece. The signal source and the detection trial preparation module provide various electrical signals required by testing and a detection function of the electrical signals. The photoelectric conversion module converts an input optical signal into an electric signal and outputs an optical signal to a tested piece. According to the system, when advanced repair is carried out on the microcomputer network system of the motor train unit, one-button type automatic testing of all parts of the microcomputer network system can be achieved, testing results can be automatically displayed, reports can be automatically exported, the testing efficiency is greatly improved, and the error rate caused by manual negligence is reduced.
Owner:CRRC DALIAN R & D CO LTD

Box culvert maintenance spraying trolley and matched water supply system

The invention relates to the technical field of box culvert maintenance, in particular to a box culvert maintenance spraying trolley and a matched water supply system.The box culvert maintenance spraying trolley comprises a storage yard, a spraying table, a drying table and a maintenance pool are arranged on the inner side of the storage yard, a water tank is formed in the spraying table, the spraying trolley is arranged on the upper side of the water tank, and drainage channels are formed in the spraying table and the drying table; the water tank and the drainage channel are communicated with the maintenance pool; the spraying trolley comprises a base, a spraying frame and a Y-shaped support, the base is arranged on the upper side of the water tank, anti-collision wheels and rolling wheels are arranged on the lower side of the base, a water drawing pipe penetrates through the lower side of the base, a swing frame is arranged on the Y-shaped support, the spraying frame is rotationally connected with the swing frame, and the swing frame is rotationally connected with the Y-shaped support. The spraying table and the curing pool are arranged, the box culvert curing quality is improved according to different curing requirements, meanwhile, the drainage channel is arranged, spraying waste water is recycled, environmental pollution is reduced, water resource consumption is reduced, and the production cost is effectively controlled.
Owner:CCCC TUNNEL ENG CO LTD +1

Radar maintenance and detection equipment

The embodiment of the utility model relates to radar maintenance and detection equipment. The equipment comprises a test cabinet, a man-machine interaction module, an industrial personal computer, a test adapter extension set, a microwave system detection device, a digital processing system detection device, a secondary power supply detection device and an antenna control system detection device are arranged in an inner cavity, and the man-machine interaction module is arranged on the test cabinet in a drawer type. According to the embodiment of the invention, after the to-be-tested radar and each subsystem of the to-be-tested radar are connected to the equipment, through the control of the equipment, the parameter testing and power supply functions of each subsystem of the reconnaissance radar can be met, and the working state and technical parameters of each subsystem of the reconnaissance radar can be comprehensively and systematically checked; and the working conditions of each subsystem of the reconnaissance radar in various states are monitored in real time. The detection device has great help to judge the working state of each subsystem of the reconnaissance radar and analyze the fault of the whole reconnaissance radar, can improve the production efficiency and quality of products, improves the maintenance support benefits of the system, and is high in integration level.
Owner:CNGC INST NO 206 OF CHINA ARMS IND GRP

Cast-in-place box girder maintenance system and movable formwork

The utility model relates to the technical field of bridge construction, and provides a maintenance system and a movable formwork of a cast-in-place box girder, the maintenance system of the cast-in-place box girder comprises a movable spraying device and a fixed spraying device, and the movable spraying device is used for spraying and maintaining the demoulded box girder; the fixed spraying device comprises a water source, a first spraying pipeline and a plurality of rotating nozzles, one end of the first spraying pipeline is connected with the water source, the other end of the first spraying pipeline is connected with the rotating nozzles, and the rotating nozzles are used for conducting swing type spraying on the upper surface of the undemoulded box girder from the side of the undemoulded box girder. According to the maintenance system of the cast-in-place box girder, the plurality of rotary spray heads are arranged in the fixed spray device, and the rotary spray heads spray the upper surface of the undemoulded box girder from the side of the undemoulded box girder in a swinging manner, so that the maintenance blind area can be effectively reduced, each corner of the surface of the undemoulded box girder can be fully sprayed, and the maintenance efficiency of the cast-in-place box girder is improved. And the problem that concrete maintenance is not in place can be avoided.
Owner:CHINA RAILWAY 19TH BUREAU GRP EAST CHINA ENG CO LTD

Industrial park electrical potential safety hazard management method and system

The invention discloses an industrial park electrical potential safety hazard management method and system, and the system comprises a positioning and partitioning module, a data collection module, a potential safety hazard analysis module, an evaluation and early warning module, and a maintenance and dispatching module, and relates to the technical field of electrical safety management. According to the technical key points, a data safety calculation model is established, analysis and calculation are carried out by using operation parameters and equipment monitoring quantity, the potential safety hazard of the electrical equipment can be quantitatively evaluated, then comprehensive calculation is carried out by using the equipment monitoring quantity and fault frequency again, and a ratio index can be obtained. According to the system and the method, the matching processing of the maintainers can be completed subsequently according to conditions, resources are fully utilized, the working efficiency is also improved, safety evaluation, refined personnel dispatching and resource optimization are carried out through data comprehensive calculation, the equipment maintenance efficiency and quality can be improved, the safety risk is reduced, and the stability and reliability of the system are improved.
Owner:SHENZHEN FUTURE XINDU TECHNOLOGY CO LTD

Auxiliary device for tower drum of wind generating set

The utility model discloses an auxiliary device for a tower drum of a wind generating set. The auxiliary device for the tower drum of the wind generating set comprises a mounting frame and a first adjusting assembly, and the first adjusting assembly is slidably mounted on the mounting frame in the first direction; the device comprises a first adjusting assembly, a second adjusting assembly and a fastening assembly, the second adjusting assembly is installed on the first adjusting assembly, the fastening assembly is connected with the second adjusting assembly, the fastening assembly comprises a fastening piece and a driving piece, and the driving piece is used for driving the fastening piece to rotate. The second adjusting assembly is configured to drive the fastening assembly to move in the second direction, and the second direction intersects with the first direction. According to the auxiliary device for the tower drum of the wind generating set, fastening of the connecting bolts and auxiliary operation of tightening torque can be achieved, the operation difficulty can be reduced, the working efficiency is improved, and potential safety hazards are reduced.
Owner:曹喆