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113 results about "Field working" patented technology

Control system and method for power distribution and power generation control of extended-range agricultural machinery based on intelligent identification of working road surface and hybrid tractor

The invention provides a control system and method for power distribution and power generation control of an extended-range agricultural machine based on intelligent identification of a working road surface and a hybrid tractor. The control system comprises the following steps: identifying a field type by collecting image information of a driving road, calculating required power of a vehicle range extender in a corresponding working scene based on the field type, and controlling a range extender assembly; and adjusting the torque of the driving motor and the driving motor based on the field type, the rotating speed of the driving motor and the vehicle speed. Based on field type recognition and historical working data, accurate distribution of driving force and efficient and stable power generation of the range extender can be achieved, the safety and the service life of a power battery are guaranteed, and the farmland operation efficiency of the tractor is improved.
Owner:JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD

Tractor dynamic load reliability coupling test system and method

The invention discloses a tractor dynamic load reliability coupling test system and method, and belongs to the technical field of non-road vehicle testing. The system comprises a multi-dimensional data management platform, a tractor dynamic load reliability coupling test bench, a performance analysis platform and a data server. The multi-dimensional data management platform collects field working condition data and test data, the test bench integrates a plurality of loading systems and simulation systems such as direct-drive type driving wheels, and a plurality of functional parts of the tractor can be dynamically coupled, loaded and tested at the same time in a simulated field environment; and the performance analysis platform is connected with the data server, and evaluates the comprehensive performance and reliability of the whole tractor and the functional parts thereof through a quantitative formula. According to the invention, indoor reproduction of a field operation scene is realized, test efficiency and reliability evaluation comprehensiveness are improved, and the method is suitable for whole tractor performance test.
Owner:LUOYANG XIYUAN VEHICLE & POWER INSPECTION INST

Calculation method, medium, calculation device and system for bearing capacity exerting coefficient of pile-anchor composite foundation

The invention relates to a pile-anchor composite foundation bearing capacity exerting coefficient calculation method, medium, calculation device and system, and the method comprises the steps: obtaining the rock mechanical parameters of each layer of geology of an area where a pile-anchor composite foundation is arranged, initializing the parameters of the pile-anchor composite foundation based on a design load, building an interface bonding-sliding constitutive model according to the rock mechanical parameters, and calculating the bearing capacity exerting coefficient of the pile-anchor composite foundation; a pile-anchor composite foundation load transfer calculation model under the current geological condition is established, the uplift bearing capacity of the pile-anchor composite foundation is calculated through the load transfer calculation model and pile-anchor composite foundation parameters, the uplift bearing capacity of the upper pile foundation and the uplift bearing capacity of the lower anchor rod foundation are extracted, and bearing capacity exerting coefficients are calculated; the invention discloses a method-based implementation medium and system. The calculation device comprises an acquisition module, a model construction module and a calculation module. According to the invention, the field workload is reduced, the engineering cost is reduced, the working state of the pile-anchor composite foundation under various geological conditions is finely simulated, and the operation is convenient.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JINHUA POWER SUPPLY CO +1

Method and system for planning field operation path of agricultural machinery equipment in hilly and mountainous regions

The invention relates to the technical field of agricultural machinery operation, in particular to a field operation path planning method and system for agricultural machinery equipment in hilly and mountainous regions, and the method comprises the following steps: obtaining terrain data of the hilly and mountainous regions and operation data of the agricultural machinery equipment, so as to construct an environment equipment cooperation data set; analyzing the environment equipment collaborative data set to obtain a field operation segmentation area and a field operation priority as an agricultural machinery operation analysis result; based on the agricultural machinery operation analysis result, establishing a four-wheel steering kinematics model and an agricultural machinery trafficability constraint model as mechanical constraint conditions of agricultural machinery equipment; generating an initial agricultural machine operation path by combining the agricultural machine operation analysis result and the agricultural machine equipment mechanical constraint condition; and performing multi-target adaptive adjustment on the initial agricultural machine operation path according to an agricultural machine operation mode to obtain an optimal agricultural machine operation path. The method is combined with mechanical characteristics of agricultural machinery equipment, the accuracy of path planning is improved, and complex terrains of hills and mountains are effectively adapted.
Owner:CHONGQING ACAD OF AGRI SCI

An active wake control method and device suitable for power limiting operation of a wind farm

The present application relates to the technical field of wind farm active wake control, and discloses an active wake control method and device suitable for wind farm limited power operation, wherein the present application combines the active scheduling suggestion of the unit affected by the wake influence level, matches the actual information of limited power and shutdown, customizes the wake optimization control strategy in the limited power mode and the non-limited power mode, accurately adapts to the real-time operation working condition of the station, can fully consider the actual wake effect loss and the unit fatigue damage, avoids the wake redirection misalignment problem caused by the mismatch between the strategy and the field working condition, effectively improves the adaptability and reliability of the wake control strategy, guarantees that the wake redirection always plays a positive benefit effect, and greatly reduces the benefit loss caused by the strategy failure.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD

Automatic slag salvaging device for anode pouring molten iron

The utility model relates to an automatic slag salvaging device for anode pouring molten iron, which comprises a furnace surface, an electric furnace mounted on the furnace surface, a slag salvaging robot mounted on the furnace surface, a control box mounted on the bottom surface of the slag salvaging robot, a mounting base of the slag salvaging robot mounted on the surface of the control box, a fixing rod connected to the surface of the mounting base, and an operating rod connected to one end of the fixing rod. An operation head is fixedly connected to the end of the operation rod, a fixing plate is fixedly connected to the bottom face of the operation head, and slag salvaging grab buckets are hinged to the side walls of the two sides of the fixing plate respectively. And a slag box is arranged on the furnace surface. And an ash sticking barrel is arranged on the stove surface. The automatic slag salvaging device has the advantages of being reasonable in structural design, convenient and fast to operate, low in machining and manufacturing cost, safer and more reliable to operate, time-saving and labor-saving, parameters can be set according to site working condition requirements of slag salvaging, automatic slag salvaging operation is achieved, and personal safety of site workers is fully guaranteed.
Owner:GANSU DONGXING ALUMINUM

Electronic work permit for managing field work

Embodiments of the present disclosure provide a computer implemented method for analyzing a video from a location to enable obtaining electronic work permit authorizing a scope of work to be performed at a location. The method is being performed by a client application executed at a second electronic device. The method comprises receiving, from a first electronic device at the location, a permit authorization request message comprising an input identifying the scope of work to be performed at the location. In response to receiving the permit authorization request message. the method comprises transmitting a response message to the first electronic device indicating whether or not the work permit is authorized for the scope of work.
Owner:FYLD LTD

Dexterous hand operation method and device, electronic equipment and computer readable medium

The embodiment of the invention provides a dexterous hand operation method and device, electronic equipment and a computer readable medium. The method comprises the following steps: establishing a simulation environment for simulating interaction between the dexterous hand and an object, constructing a strategy neural network, training the strategy neural network by using interaction data generated in the simulation environment, and then controlling the entity dexterous hand by using the trained strategy neural network so as to complete an operation task on a target object. The action of the dexterous hand is controlled by adopting the strategy neural network, and an operation strategy is autonomously learned in a simulation environment through reinforcement learning, so that the dependence on precise modeling of complex power equipment can be bypassed, and the trained strategy network can directly adapt to diversified field working conditions of power operation and maintenance scenes; therefore, the problem of insufficient generalization ability caused by model mismatch in a traditional method is solved, and the applicability of the dexterous hand in an electric power operation and maintenance scene is improved.
Owner:GUANGDONG POWER GRID CO LTD DONGGUAN POWER SUPPLY BUREAU

An improved genetic algorithm-based full-coverage field path planning method and device

The present application relates to unmanned agricultural machinery technical field, specifically relates to a kind of full coverage field path planning method and device based on improved genetic algorithm.The method comprises: S1, constructs field environment map using grid method.S2, the free grid in field environment map is chromosomally encoded, and a plurality of initial chromosomes are randomly generated.S3, initial chromosome is adjusted, and legal chromosome is obtained.S4, construct fitness function based on multi-objective equilibrium criterion, determine the fitness of legal chromosome.S5, initial chromosome is evolved, and the next generation population is generated, as the parent population of next iteration.S6, determine whether to end this iteration, if yes, then the highest fitness chromosome in contemporary population is output for decoding, and full coverage path is obtained;If not, return to step S3.The present application can reduce repetitive work area and turning number, improve the field work efficiency and work quality of unmanned agricultural machinery.
Owner:SHANDONG COMP SCI CENTNAT SUPERCOMP CENT IN JINAN +2

Agricultural field working chassis and agricultural field working machine

This invention discloses a farmland operation chassis and farmland operation machinery, belonging to the technical field of farmland operation machinery. The farmland operation chassis includes: a drive chassis, a front suspension device, a center mounting device, and a rear suspension device. The drive chassis is used to mount the wheels; the front suspension device is used to mount and raise / lower front-mounted agricultural implements; the center mounting device is used to mount and raise / lower mid-mounted agricultural implements; and the rear suspension device is used to mount and raise / lower rear-mounted agricultural implements. The farmland operation machinery includes a cab, a farmland operation chassis, and wheels. The cab is mounted at the front end of the drive chassis of the farmland operation chassis, and the wheels are mounted on the drive chassis. According to different operational needs, corresponding agricultural implements can be mounted using the front suspension device, center mounting device, and rear mounting device, thereby avoiding the need to repeatedly purchase field operation power devices for different operational stages, reducing agricultural production costs, and facilitating the sharing of farmland and crop information across different operational stages.
Owner:JIANGSU UNIV +1

Automatic deviation rectifying roller

The utility model belongs to the field of belt conveyors, particularly relates to an automatic deviation rectifying roller, and aims to solve the common problem of deviation of a conveyor belt in the existing belt conveyor industry, and the problem that a roller at the tail part is adjusted by a lead screw and needs to be manually adjusted, so that the workload of field staff is increased, and the production cost is reduced. In order to solve the problem that the production progress of a customer is delayed due to the fact that the conveying is carried out in the shutdown state of the conveyor, the following scheme is provided: the device comprises a base, the top of the base is rotatably connected with a rotating rod through a bearing, the top end of the rotating rod is fixedly provided with an adjusting frame, and a belt can be automatically adjusted and prevented from deviating through a deviation correcting mechanism and an induction mechanism; therefore, manual adjustment is not needed, the labor intensity of on-site workers and the number of workers are reduced, workers are protected, on-site work is not needed, the labor cost of enterprises is reduced, meanwhile, the belt can be adjusted without shutdown, deviation of the belt is monitored all the time, and the production efficiency of the enterprises is improved.
Owner:HENGSHUI YONGQUAN MACHINERY TECHNOLOGY CO LTD

Field operation positioning system of agricultural machinery

The invention relates to the technical field of precision agriculture, in particular to a field operation positioning system of agricultural machinery, which comprises a channel stability detection module, a signal-noise skew recognition module, a solution drift recognition module, an attitude vector extraction module and a precision parameter construction module. According to the method, fine identification of the abnormal state of the multi-frequency channel is realized by constructing a channel stability index, enhancing the identification capability of carrier hopping centralized characteristics and utilizing dual trend discrimination of a signal-to-noise ratio change direction and a fluctuation amplitude, and the abnormal state of the multi-frequency channel is identified by combining a coupling relationship between a resolving time rhythm and an error trajectory. The method improves the sensitivity of solving drift identification, optimizes the accuracy of inertial navigation attitude offset extraction by adopting consistency analysis of attitude angle change rate and acceleration included angle, and combines agricultural machinery structure parameters with path response trend to form a precision tolerance configuration basis of structure category guidance. And the adaptive capacity of positioning error rules of various agricultural machines in different operation states is enhanced.
Owner:广州泽尔测试技术有限公司

Inspection device for hydropower station

The utility model relates to the technical field of electrical safety. The hydropower station inspection device comprises a guide assembly, a sliding mechanism, a base, a rotating assembly and a monitoring mechanism, the sliding mechanism is slidably connected with the guide assembly, the base is installed on the sliding mechanism, the rotating assembly is rotatably connected with the base, and the monitoring mechanism is installed on the rotating assembly; wherein the monitoring mechanism is used for monitoring the field working state of the hydropower station and collecting the field working state information. By integrating the guiding assembly, the sliding mechanism, the base, the rotating assembly and the monitoring mechanism, automatic inspection of hydropower station equipment is achieved, and the problems that in existing hydropower station equipment inspection, the inspection efficiency is low, data is inaccurate, potential safety hazards are large, and comprehensive and real-time monitoring is difficult to achieve due to the fact that manpower is relied on are solved.
Owner:HUADIAN SICHUAN POWER GENERATION CO LTD WAWUSHAN BRANCH

Crystallizer copper pipe die capable of adjusting taper of inner cavity on line

ActiveCN224026437UField workingPhysics
The utility model provides a crystallizer copper pipe die capable of adjusting the taper of an inner cavity on line, which relates to the technical field of crystallizers and comprises a tubular main body, at least one wall of the tubular main body is provided with a longitudinal groove, and the opening direction of the longitudinal groove is the outer surface of the tubular main body. The longitudinal groove is the same as the casting channel of the tubular main body in direction and is formed in the feeding end; the expansion pipe is arranged in the longitudinal groove, at least one end of the expansion pipe is provided with a combination connector, and the combination connector is detachably connected with a pressurizing pipeline. And variable field working conditions cannot be adapted. The technical problems of poor attachment degree of a casting blank and the inner wall of a crystallizer copper pipe mold, poor outward heat transfer of the casting blank, deterioration of the quality of a casting product, even cracking of the casting blank and leakage of a casting medium in the prior art are solved.
Owner:DALIAN DASHAN CRYSTALLIZER CO LTD

Multifunctional underground pipeline probe vehicle

The utility model discloses a multifunctional underground pipeline probe vehicle which comprises a cart body. The first storage tool box is arranged on the cart body and used for storing tools; the pipeline instrument equipment box is arranged on the first storage tool box, and underground pipeline detection equipment is stored in the pipeline instrument equipment box; the second vertically-placed storage tool box is arranged on the cart body, located on one side of the first storage tool box and used for storing rod tools. Detector equipment and tools are stored through modular partition design, storage boxes of the tools and the equipment are integrally arranged on the cart body, the equipment can be effectively protected against the influence of the external environment, meanwhile, the cart has the 360-degree steering capacity, and the cart can be flexibly pushed in narrow or uneven areas such as sidewalks, green belts and steps; the buffer protection structure causes damage to the instrument during transportation; the vehicle body is compact in structure and stable in gravity center and has bearing capacity and maneuverability. The convenience and safety of carrying and using the equipment are greatly improved, and the field work efficiency is improved.
Owner:ZHUHAI HUACHENG ELECTRIC POWER DESIGN INST CO LTD

A method for adjusting gas parameters of a reaction kettle

ActiveCN117075659BMeasurement devicesPressure vessel componentsGas compositionProcess engineering
The application discloses a gas parameter adjusting method for a reaction kettle and belongs to the field of high-temperature and high-pressure equipment control. The gas parameter adjusting method for the reaction kettle adjusts and controls the gas temperature and pressure in the control kettle and the reaction kettle through adjusting the gas booster and the heating belt, realizes two-stage accurate regulation and control of the gas temperature, pressure, concentration and other parameters before and after entering the kettle and real-time dynamic supplement, guarantees high consistency between the test working condition in the kettle and the field working condition; on the other hand, the application solves the problem that the gas composition and the proportioning accuracy in the reaction kettle are reduced due to the fact that the mixed gas formed by the reaction medium solution volatilization and the reaction gas under the simulated actual working condition cannot be realized in real time and accurately during the reaction gas proportioning process, thereby guaranteeing the high consistency between the test environment in the reaction kettle and the actual working condition and the reliability of the test result, and significantly improving the safety.
Owner:CHINA NAT PETROLEUM CORP +1

Field work machine

To provide a field working machine hardly causing winding of seedlings, straws, etc.SOLUTION: The working vehicle includes a prime mover for generating power, a hydrostatic continuously variable transmission 45 having a hydraulic pressure pump to which the power from the prime mover is transmitted and a hydraulic motor for outputting the power, and a fan 46 connected to a shaft 45a part of either the hydraulic pressure pump or the hydraulic motor to generate cool air. The fan 46 includes a connecting portion side 45a connected to the shaft side 46A, a plurality of blade portion side 46A extending from the connecting portion side 45a outward in the radial direction around the shaft side 46B, and a frame portion side 46B connected to an outer peripheral portion of the plurality of blade portion side 46B and surrounding the plurality of blade portion side 46C from the outer peripheral side.SELECTED DRAWING: Figure 4
Owner:KUBOTA CORP

Stem pulling and ear picking mechanism, header device and corn harvester

The utility model belongs to the technical field of agricultural mechanical equipment, and particularly relates to a stem pulling and ear picking mechanism, a header device and a corn harvester, the stem pulling and ear picking mechanism comprises a stem pulling and ear picking part, a plurality of first grass cutters and an adjusting connecting assembly, the stem pulling and ear picking part is arranged between stem pulling rollers arranged at intervals, and the first grass cutters are arranged between the stem pulling rollers; the first grass cutter and the stem pulling roller are arranged in an aligned manner, and a first grass cutting part is formed between the first grass cutter and the stem pulling roller; the adjusting connecting assembly is used for driving the stem pulling roller and the first straw cutter to move synchronously so as to adjust the size of the stem pulling and ear picking part. Before field operation is carried out, the size of the stem pulling and ear picking part needs to be adjusted according to the thickness of corn straw, in the straw pulling and ear picking device, a first straw cutter and a stem pulling roller are connected into a whole through an adjusting connecting assembly to achieve overall adjustment of the first straw cutter and the stem pulling roller, and therefore the position of the first straw cutter is adjusted while the stem pulling and ear picking part is adjusted; the size of the first straw cutter is not changed, so that the adjusting process of the stem pulling roller and the straw cutter is simplified, and the working efficiency is improved.
Owner:ZOOMLION HEAVY MASCH CO LTD

Excitation analogue simulation device for large steam turbine generator of nuclear power plant

The invention relates to an excitation analogue simulation device for a large steam turbine generator of a nuclear power plant. The excitation analogue simulation device comprises a control cabinet and a movable simulation platform, the type selection and configuration of the excitation regulator in the control cabinet are the same as those on site; the control cabinet and the movable simulation platform cooperate to execute internal training and field working condition simulation, and complete a pure digital simulation function, a protection monitoring function, an open-loop small-current test function, a physical digital simulation function and a test and maintenance function. According to the invention, by adopting the excitation system which has the same model and same parameters as the field and combining the movable simulation platform with the control cabinet, a pure digital simulation function, a protection monitoring function, an open-loop small-current test function and a physical digital simulation function are realized through the synergistic effect of the movable simulation platform and the control cabinet; the method can adapt to the actual requirements of the site, can improve the maintenance efficiency, and also has the research performance and the practicability at the same time.
Owner:YANGJIANG NUCLEAR POWER

Square billet continuous casting machine on-line arc alignment detection and adjustment method based on potentiometer feedback

PendingCN121373345AControl engineeringMachine
A square billet continuous casting machine on-line arc alignment detection and adjustment method based on potentiometer feedback relates to the technical field of square billet continuous casting machines, and comprises the following steps: acquiring displacement data of a support roller of a square billet continuous casting machine, and collecting the displacement data in real time through a displacement monitoring device; according to the displacement data and the environment data, the displacement deviation of the supporting roller is calculated, and the displacement deviation is used for judging whether the radian of the continuous casting machine is abnormal or not; if the displacement deviation exceeds a preset threshold value, an alarm signal is triggered, and the alarm signal is used for prompting radian abnormity; and according to the displacement deviation, the position of the supporting roller is automatically adjusted through an adjusting device till the displacement deviation meets the preset standard. The radian control precision is remarkably improved, the casting blank quality and the equipment utilization rate are improved, the waste rate is reduced, the radian problem of the continuous casting machine can be monitored on line, and the field working efficiency is greatly improved.
Owner:JIANGSU SHAGANG STEEL CO LTD +2

Industrial personal computer high-temperature aging test equipment and test method thereof

The invention discloses industrial personal computer high-temperature aging test equipment and a test method thereof, and belongs to the technical field of industrial personal computer manufacturing. The device comprises a machine body, a clamping assembly is fixedly installed in the machine body, an air inlet assembly is installed in the machine body, the air inlet assembly comprises an air cavity formed in the machine body, an air inlet pipe is fixedly connected into the air cavity, the air inlet pipe is rotationally connected with a circular plate, and the circular plate is fixedly connected with a plurality of exhaust fixing pipes; the exhaust fixing pipe is fixedly connected with a hose, and the hose is fixedly connected with an exhaust rotating pipe. In the aging process of the industrial personal computer, the exhaust rotating pipe is always in a rotating state, and the rotating exhaust rotating pipe can change the flowing direction of high-temperature gas, so that a scene where the industrial personal computer is located in practical application is better met, and an aging test is closer to a customer field working condition and a fault which can only occur when the industrial personal computer is exposed under a specific heat dissipation condition.
Owner:SHENZHEN MOONS TECH CO LTD

A sintering machine

The utility model relates to a sintering machine, apply in sintering machine maintenance technical field, solved in the process of replacement to the sintering trolley of trouble, hoist trolley operation is unstable, trouble sintering trolley is easy to incline, fall, and there is the problem of hidden danger of safety, including trolley track, sintering trolley and unloading auxiliary frock, unloading auxiliary frock includes erecting on the support frame of trolley track, the flap that rotates and connects on the support frame one end and hydraulic push cylinder, the telescopic end of hydraulic push cylinder is hinged in the other end lower end surface of flap, the main part of hydraulic push cylinder is hinged in the support frame, the upper end surface of flap is provided with the fixing piece for fixing damaged sintering trolley, have trouble sintering trolley fixed firm, operation is stable, can solve the safety problem of sintering machine trolley on -line replacement, reduce the safety hidden danger of field work environment, improve the effect that replacement efficiency.
Owner:CHANGSHU LONGTENG SPECIAL STEEL CO LTD

Field work system

ActiveCN113260251BProcess engineeringMachine
A field work system in which a field work machine repeatedly performs straight travel in a manner approaching a field row around a field while performing turning travel after the straight travel so as to perform straight travel again, and performs work on the field using a work device of the field work machine. The field work system includes a position acquisition unit, a storage unit, and an estimation unit. The position acquisition unit acquires a position of the field work machine. The storage unit stores the position of the field work machine acquired by the position acquisition unit in association with an action of the field work machine performing straight travel and turning travel in the field. The estimation unit estimates a field row area corresponding to a field row based on the positions of the field work machine approaching two or more points of the field row stored by the storage unit.
Owner:YANMAR POWER TECH CO LTD

Aviation plug protection structure in hot rolling severe environment and method thereof

The invention discloses an aviation plug protection structure in a hot rolling severe environment and a method thereof, and belongs to the technical field of aviation plug protection. The aviation plug comprises an aviation plug male head and an aviation plug female head, the aviation plug male head and the aviation plug female head are mutually plugged and matched, the outer surface of the aviation plug male head and the outer surface of the aviation plug female head are sequentially coated with an inner layer protection layer, a middle layer protection layer and an outer layer protection layer, and the outer surface of the outer layer protection layer is also bound with a binding belt. According to the method, the actual aviation plug protection method is designed in combination with the actual field working condition, reliable protection of the aviation plug can be achieved, the method has the advantage of being rapid in implementation, the field working efficiency is improved, meanwhile, the maintenance skill of point inspectors on instrument equipment can be enhanced, the aviation plug can stably serve for a long time, and the service life of the aviation plug is prolonged. The severe environment of hot rolling working conditions is effectively resisted, and continuous and reliable operation of equipment is guaranteed.
Owner:МААНЬШАНЬ АЙРОН ЭНД СТИЛ КО ЛТД

Ad-hoc network equipment for operation and maintenance site

The utility model discloses an operation and maintenance field ad hoc network device comprising a field work assembly which comprises a portable ad hoc network device body and a toggle clip fixed on the upper surface of the portable ad hoc network device body. The portable ad hoc network equipment body comprises a core control module, a communication module, an audio and video processing module, a power management module, a software and algorithm module and an emergency module. According to the utility model, by integrating a plurality of modules, high integration is realized in a small size, so that the stability, reliability and performance of the assembly are improved, and meanwhile, an efficient power management scheme needs to be designed to ensure long-time stable operation in order to meet the characteristic requirements of long-time use, portability and the like of the audio and video terminal. And a balance point is found among the battery volume, the battery capacity and the battery life. Structural materials adopt military level design, so that the insulating, waterproof, dustproof, drop-resistant, flame-retardant and explosion-proof capabilities of the whole machine are improved, and the equipment adaptability in a complex environment is ensured.
Owner:YALONG RIVER HYDROPOWER DEV CO LTD +1

Descaling pipeline with size marks

The utility model discloses a descaling pipeline with size marks, and relates to the technical field of descaling pipelines. The pipeline comprises a pipeline body and further comprises a measuring part and a descaling part, the measuring part is arranged on the surface of the pipeline body and plays a role in assisting in cutting the pipeline body, the descaling part is arranged in the pipeline body and plays a role in cleaning dirt in the pipeline body, and the measuring part is arranged on the surface of the pipeline body and plays a role in cleaning the dirt in the pipeline body. The pipeline body serves as a carrier for fluid conveying and descaling operation and is made of a corrosion-resistant material, and long-term use stability is guaranteed. According to the utility model, through the arrangement of the marking assembly, a worker can carry out accurate cutting according to the unit meter marking line, the unit decimeter marking line and the unit centimeter marking line, so that great benefits are brought to field work of the worker, meanwhile, the cutting precision of the worker is greatly improved, raw material waste caused by cutting deviation is effectively reduced, and the production cost is reduced. And therefore, the practical effect of the pipeline body is greatly improved.
Owner:SHPES PIPE IND CO LTD

Automatic warehousing, weighing and supplementing control method and system for grate-layer material of belt type sintering machine

The invention provides a belt type sintering machine grate-layer material automatic warehousing and weighing supplementing control method and system, and the method comprises the steps: continuously obtaining the real-time weight data of the grate-layer material in each storage bin based on weighing sensors installed at the bearing supporting points of at least two parallel grate-layer material storage bins, carrying out the anti-interference processing of the real-time weight data, and obtaining the real-time weight data of the grate-layer material in each storage bin; signal fluctuation caused by field working conditions is eliminated; by taking the real-time weight data subjected to anti-interference processing as a unique decision basis for material supplementing control, comparing the real-time weight data with a preset material supplementing weight lower limit, automatically judging a target material supplementing bin, and controlling a material distributing device to switch a grate-layer material conveying path to the target material supplementing bin; and in the process of supplementing materials to the target material supplementing bin, the operation state of a material supplementing execution mechanism is continuously adjusted in a closed-loop mode with the real-time weight data subjected to anti-interference processing as the feedback quantity, material supplementing is stopped till the real-time weight data reach a preset material supplementing target value, and the material supplementing target value is lower than the physical capacity limit of the material storage bin.
Owner:WUHAN IRON & STEEL GRP ECHENG IRON & STEEL CO LTD

Display refreshing system and display refreshing method for electronic paper

The invention discloses an electronic paper display refreshing system and method, and the system comprises a read-write module which is used for obtaining the current on-site work information, determining the quick query information needing to be changed according to the on-site work information, and transmitting the quick query information to a receiving module through a first transmission module and a second transmission module, and / or determining a to-be-updated change area, inputting change data in the to-be-updated change area, and transmitting the change data of the to-be-updated change area to the receiving module through the first transmission module and the second transmission module; the receiving module is used for transmitting the quick query information and / or the change data of the change area to be updated to the control module; and the control module is used for generating a quick query code according to the quick query information, and refreshing the electronic paper according to the quick query code and / or the change data of the change area to be updated. According to the invention, the amount of data transmitted from the read-write module to the control module is reduced, and the time for refreshing the electronic paper is effectively reduced.
Owner:SHANGHAI QUANRAY ELECTRONICS

Field work machine and boarding device

PCT designated stageWO2026028529A1TransplantingControl engineeringMachine
This field work machine includes: a work machine body having a machine body 100, a first wheel 8 supporting the machine body 100, and a work device 5 supported by the machine body 100; a boarding device 30 having a seat part 31 on which the worker sits, and a second wheel 32 supporting the seat part 31 and rotatable around a vertical shaft core; and a travel operation tool 33 provided in the work machine body or the boarding device 30 and serving to steer the work device 5.
Owner:KUBOTA CORP

Logic optimization system and machine site quantitative evaluation method for field survey work of large land wind power project

The invention discloses a logic optimization system and a machine site quantitative evaluation method for on-site survey work of a large land wind power project, and the method comprises the following steps: 1, determining the weight values of influence factors corresponding to a survey site and a project, and calculating the sum of the weights of the influence factors as 1; 2, performing field personnel configuration, and planning a field work development plan; 3, carrying out field data recording, and inputting the data into the model according to categories; 4, parameters are corrected, comprehensive sensitive factors of all the point locations are measured and calculated, and the point locations are sorted and summarized; 5, generating a survey result table and a field survey report; the method can save the survey time and labor cost, improve the survey result precision, and tamp the micro-siting work basis in the early working stage of the wind power project.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD