15 results about "Operational maintenance" patented technology

The utility model discloses a novel telescopic protection device for a mining belt self-moving tail, and belongs to the technical field of mining belt conveying equipment. The cable rack is driven by the oil cylinder to move along the belt self-moving machine tail, telescopic overlapping of the guardrails is achieved through the guiding device, and the protection range can be dynamically adjusted along with changes of coal unloading points of the reversed loader. Detachable positioning pins are arranged on wheel carriers at the bottom of the cable rack, so that quick fixing is facilitated; and the top cable hook accommodates the cable in order. The magnet frame is hinged through a pin shaft, a magnet (a permanent magnet or an electromagnet) at the bottom of the magnet frame can adsorb metal foreign matters in coal flow, and the equipment stability and the maintenance convenience are improved by matching with a guide pulley lubricated by an oil injection hole of the guide device. The protection device solves the problems that a traditional protection device is insufficient in dynamic protection, a belt is prone to being damaged by metal, operation and maintenance are tedious and the like, integration of full-stroke protection, foreign matter interception and cable management is achieved, safety and efficiency of coal mine belt conveying are remarkably improved, and the protection device is suitable for protection scenes of an underground belt self-moving tail.

The application provides an MML command execution method, device and equipment of an operation and maintenance center, and a medium, relates to the technical field of system operation and maintenance, and the execution method comprises the following steps: processing an obtained MML command to obtain a first branch command and a second branch command; any branch command comprises an execution object and an execution command; the execution object and / or the execution command of the first branch command and the second branch command are different; the first branch command and the second branch command are sent to a 5G network element conforming to the execution object, so that the 5G network element receiving the first branch command and / or the second branch command executes the corresponding execution command; an execution result returned by each 5G network element is received, and an execution result of the MML command is generated based on all the execution results. The operation and maintenance center of the application realizes control on a complex MML command of a 5G network element, so that the MML command can automatically execute branch commands according to the execution result of an intermediate process, without manual intervention.

The invention provides a method and a device for fault diagnosis of a yaw system in a wind turbine, and relates to the technical field of wind turbines. The method comprises the following steps: acquiring monitoring data collected in a yaw system, inputting the monitoring data into a yaw fault diagnosis model, and outputting a fault diagnosis result, wherein the fault diagnosis model is obtained by training known fault diagnosis results and corresponding monitoring data, and the fault diagnosis result comprises at least one of the following: the position of a yaw sensor is shifted, the yaw sensor is damaged, the yaw contactor is stuck, the hardware of a yaw motor / reducer is damaged, and the yaw motor is braked, In the working process, the monitoring data collected by the yaw system can be input into the yaw fault diagnosis model in real time, and the yaw fault diagnosis model can be used to determine whether the yaw system has a fault and the specific fault diagnosis results when the fault occurs. In this way, the operation and maintenance personnel can be prevented from going to the aircraft seat for inspection, and the fault diagnosis efficiency of the yaw system can be improved.

The invention relates to a redundant bypass switching cabinet for high-voltage variable-frequency soft start, which drives a gear set to be linked with a guide column by rotating an adjusting valve to drive a sliding block to move up and down along a mounting frame so as to adjust the position of a connecting column, can easily adapt to different types of electric appliance detection equipment, and does not need a worker to contact high-voltage parts in the cabinet. The electric shock risk is thoroughly avoided; the dust collection groove, the dust collection cabinet and the dust collection box are matched to collect dust, the cabinet door switch and the dust collection box are linked, the dust collection box automatically slides out for cleaning when the cabinet door switch is opened and is reset and closed when the cabinet door switch is closed, additional operation is not needed, electric appliance short circuit risks caused by dust accumulation are reduced, and the service life of equipment is prolonged; a fan on the upper surface of the cabinet body accelerates air flow in the cabinet and cooperates with a left ventilation opening to form a heat dissipation channel, so that heat of parts is rapidly taken away, and performance reduction or damage caused by high temperature is avoided; operation and maintenance are convenient, a cabinet door handle, a door lock and a lock catch are convenient to open and overhaul, the sealing performance is guaranteed, the dust collection box linkage design and the regulating valve external operation structure are adopted, the maintenance complexity is further reduced, and the maintenance efficiency is improved.

The utility model provides a kind of light cast stone groove scraper, including reinforcing steel plate, the main body steel plate of the reinforcing steel plate upper portion being equipped with and the standby steel plate of the reinforcing steel plate lower portion being equipped with, wherein: the reinforcing steel plate both ends are symmetrically equipped with connecting ear ring;The reinforcing steel plate upper and lower sides are symmetrically equipped with a set of clamping device;The main body steel plate and standby steel plate both sides are symmetrically equipped with a set of connecting lug, a set of the connecting lug is respectively set in the main body steel plate and standby steel plate both sides;The main body steel plate and standby steel plate are clamped with reinforcing steel plate, and the reinforcing steel plate is set in the back of main body steel plate along the length direction of main body steel plate.This device solves the existing scraper's problems of poor bending resistance, low reliability, short service life and resource waste, and is particularly suitable for small scraper, through innovative structure design, significantly improve the comprehensive performance of scraper, realize energy saving and environmental protection, its structure is simple and reliable, easy to operate, maintenance cost is low, and applicability is wider.

This invention relates to the field of network operation and maintenance management technology, and particularly to a method, apparatus, device, and storage medium for adaptive adjustment of alarm behavior. This application collects real-time bandwidth occupancy data and operational event logs from network pathways, combines this with a dynamic baseline of historical traffic levels, and considers traffic fluctuations caused by specific types of operational events in the short term. Based on these two variables, the system adjusts relevant parameters for traffic anomaly warnings. The system performs multi-level classification judgments for primary alarms (bandwidth overload) and advanced alarms (continuous overload) according to the dynamically adjusted warning parameters, and adjusts the combination mode of visual warnings and acoustic alarms to match the actual anomaly level. This solution can effectively distinguish between normal business fluctuations and genuine anomalies, enabling the system to have adaptive tolerance for events within the operational maintenance plan, avoiding invalid alarms, preventing excessive interference with low-level anomalies, reducing ineffective responses from maintenance personnel, and significantly improving the timeliness and accuracy of maintenance work.

The utility model belongs to chemical raw material loading and unloading equipment technical field, concretely relates to a concentrated sulfuric acid no drip automatic unloading device structure. The utility model discloses through the reasonable arrangement of unloading tank, liquid inlet line, liquid outlet line and exhaust line, its operation maintenance is convenient, and stable and reliable are used, and tank car and unloading tank adopt hard connection mode, and the sealing reliability is reliable, and the safety performance is far higher than traditional filling hose, and adopts unloading pump and liquid level sensor, flowmeter cooperation uses, can alleviate the labor intensity of operating personnel, reduces manual cost, improves unloading efficiency, the utility model discloses whole structure is compact, and simple operation can realize concentrated sulfuric acid unloading no residue, no drip, and the automation degree is high, and the safety is good, can effectively avoid the personal injury problem caused by concentrated sulfuric acid leakage, and the application prospect is wide, and easy to promote.

This invention belongs to the field of electricity meter technology, specifically a multi-functional electricity meter, comprising a multi-functional electricity meter body, with an installation mechanism sleeved at the rear end of the multi-functional electricity meter body. The rear end of the installation mechanism is mounted on a track inside the meter box, and conductive mechanisms are installed on both the upper and lower sides of the installation mechanism. In this invention, the multi-functional electricity meter body is installed in the installation mechanism in a plug-in manner, and the installation mechanism is installed in the meter box using a track. During maintenance, workers only need to pull out the faulty multi-functional electricity meter body to repair and replace it, without needing to perform any operation on the normal multi-functional electricity meter body. This reduces maintenance work, saves time and effort, and increases maintenance efficiency, significantly simplifying maintenance operations in scenarios with densely installed multiple meters. The circuit inside the meter box is connected to the multi-functional electricity meter body through the conductive mechanism. When the multi-functional electricity meter body is pulled out for maintenance, there is no need to disassemble or reassemble the wiring, significantly reducing the probability of misconnection and significantly improving safety performance.

In order to solve the problem of low registration / de-registration operation efficiency of an NF instance in the prior art, the embodiment of the invention provides an operation method for a network function instance and related equipment. The method comprises the following steps: when a target network element with an operation condition is monitored, sending a first 5G message to an operation and maintenance party to inquire whether a corresponding operation matched with the operation condition is performed on an NF instance of the target network element; if the operation and maintenance party confirms to perform corresponding operation on the NF instance, sending an operation instruction to an operation and maintenance center (OMC); the operation instruction is used for triggering the OMC to execute the corresponding operation on the NF instance at a network function register (NRF); wherein the operation condition is that a fault occurs or the fault is eliminated; the corresponding operation is registration removal or registration.

The utility model relates to rotating ladder technical field is a kind of 360 degree rotating ladder structure inside spherical storage tank, including spherical tank body, top rotating structure, upper ladder structure, conversion structure, lower ladder structure and bottom rotating structure, upper ladder structure top is fixedly connected with top rotating structure, and top rotating structure upside is fixedly connected with spherical tank body inside top, and upper ladder structure bottom is fixedly connected with conversion structure, and conversion structure lower part is fixedly connected with lower ladder structure;The utility model simple structure is convenient to use, and it is set 360 degree rotating ladder in spherical tank body, and rotating ladder structure is good in stress, simple to manufacture, and high in safety performance, provides very efficient, reliable and convenient solution for the inside personnel of large spherical tank and other equipment to be inspected, overhauled and operated and maintained, and the good stress performance of rotating ladder ensures stable operation under various working conditions, and personnel frequently move without fear.

The invention discloses an escalator four-dimensional fusion operation and maintenance digital twinning system and a design method, belongs to the technical field of digital twinning and intelligent operation and maintenance, and comprises a closed-loop digital twinning architecture integrating a physical space, a digital space, a service space and a digital main line. The physical space collects full-dimension operation data of the equipment in real time through a heterogeneous sensor network; a high-fidelity virtual model is constructed in the digital space, and state mapping and synchronous simulation are achieved; the service space serves as an intelligent center, and a fault diagnosis model based on multi-domain feature extraction and machine learning is adopted for health assessment and predictive maintenance decision making; the digital main line serves as a nervous system, the three main lines are operated, maintained and controlled to ensure that data flows in a bidirectional, real-time and traceable mode among three spaces, a complete closed loop from sensing, analysis, decision making to execution is formed, and integrated, intelligent and high-reliability operation and maintenance of the manned special equipment in the whole life cycle are achieved.

The invention discloses a maintainability safety check analysis method and system for oil and gas field project assets, and the method comprises the steps: compiling a maintainability project asset classification table according to a project construction flow chart and a project asset list, and generating a check card of each type of maintainability project assets according to the maintainability project asset classification table, and performing maintainability safety inspection on each device in the project construction three-dimensional model based on the inspection card, analyzing and outputting an inspection report, and making a rectification list based on the inspection report and tracking. Daily operation, maintenance inspection and analysis are carried out on project assets in the project construction stage from the angles of owner operation and maintenance, project constructability, operability and maintainability are unified, oil and gas field projects are more efficient and have more economic benefits in the whole life cycle, and a large amount of construction investment and operation and maintenance cost can be saved for owners.

A method for monitoring at least one machine including causing at least a first sensor to acquire at least a first non-stationary signal from at least one machine operating in a non-stationary manner during at least one operational time frame, the first sensor(s) providing at least a first non-stationary output, causing at least a second sensor to acquire at least a second non-stationary signal from the machine(s) during the operational time frame(s), the second sensor(s) providing at least a second non-stationary output, fusing the first non-stationary output(s) with the second non-stationary output(s) to produce a fused output, extracting at least one feature from the first and / or second non-stationary signal(s) based on the fused output, analyzing the feature(s) to ascertain a state of health of the machine(s) and performing a repair operation, maintenance operation and / or modification of operating parameters of the machine(s) based on the analyzed state of health.

The application discloses a method and a tool for replacing a hydraulic cylinder of a rolling mill, and the method and the tool for replacing the hydraulic cylinder replace the replacement scheme of arranging too many replacement auxiliary devices in a cramped operation space by utilizing the existing equipment of the rolling mill to a certain extent in the whole process, reduce operation steps, and the replacement tool body used in the replacement method is compact in structure, simple in operation and maintenance, automatic positioning in the process of replacing the hydraulic cylinder can be realized, and the replacement efficiency of the hydraulic cylinder is improved.