In recent years,the subgrade and pavement diseases account for the vast majority of the expressway maintenance diseases,which puzzles many expressway maintenance departments and units.To sustain the continuous develop...In recent years,the subgrade and pavement diseases account for the vast majority of the expressway maintenance diseases,which puzzles many expressway maintenance departments and units.To sustain the continuous development of the expressway,the service level of the expressway is need to be improved,by ensuring the safety of the people,and by providing more convenient services for the people during travel.The technical measures for scientific maintenance of expressway subgrade and pavement diseases were discussed in this paper.Further,this paper discusses the main subgrade and pavement diseases types,and proposed the targeted maintenance methods,which can be as a reference for the expressway maintenance departments.展开更多
The role of sintering machine is to ignite and burn the burnt mixture through ignition furnace, keep the temperature, transport it to the next working procedure, and cools it to form finished ore. In the past, the hig...The role of sintering machine is to ignite and burn the burnt mixture through ignition furnace, keep the temperature, transport it to the next working procedure, and cools it to form finished ore. In the past, the high heat generated by the combustion of the mixture could not be recycled. Now, by improving the system process, the high heat generated by sintering machine combustion can be recycled. The improvement of system technology has resulted in the change of sintering machine structure, which makes the previous maintenance technology not well developed. This paper introduces the advantages of the application effect of the new maintenance technology in the furnace by describing the changes of the maintenance technology in the ignition furnace and the holding furnace before and after the structural changes of the sintering machine.展开更多
In the current development and construction process, further improving the maintenance and management of chemical machinery and equipment can further improve the work efficiency and drive the construction and developm...In the current development and construction process, further improving the maintenance and management of chemical machinery and equipment can further improve the work efficiency and drive the construction and development of industrial enterprises. Only good equipment maintenance and industrial maintenance management can make the cost investment output of chemical enterprises, reduce the operation of relevant machinery and equipment, and truly become a solid force to maintain the development of enterprises. At the same time, in the process of construction and management, relevant enterprises need to face up to the maintenance and management of chemical machinery and equipment, improve management level, enhance maintenance and maintenance technology, and further stabilize the healthy development of enterprises.展开更多
With the continuous progress of science and technology, in the development process of Chinese modern industrial construction industry, the active introduction of all kinds of advanced shovels, the introduction of shov...With the continuous progress of science and technology, in the development process of Chinese modern industrial construction industry, the active introduction of all kinds of advanced shovels, the introduction of shovels to a large extent actively promote the improvement of industrial production efficiency, promote the development of Chinese industrial cause to automation, high efficiency. But based on the practical usage in excavator, excavator management and maintenance technology does not reach the designated position, to a large extent affected the use of the excavator, produced a series of problems, not only reduces the efficiency of industrial production, to a great extent, because of excavator failure led to a series of accident threat to people health. Therefore, it is of great significance to study the management and maintenance technology of electric shovels in this paper. In combination with the practical situation of Chinese current excavator use, combined with some problems put forward the corresponding countermeasure, constantly strengthen the scientific management of excavator, constant innovation and improvement of excavator maintenance technology, we should improve the legal system for excavator management and maintenance work, continuously improve the performance of excavator, promote the industrial progress.展开更多
In recent years, with the rapid development of China's economy, all walks of life have made some progress. Just because of the gradual increase of human production and activities, the impact on the surrounding env...In recent years, with the rapid development of China's economy, all walks of life have made some progress. Just because of the gradual increase of human production and activities, the impact on the surrounding environment has become greater and greater. At the present stage of social development, in daily life, we can easily find that the air quality around is getting worse and worse. In this context, more and more people from all walks of life begin to pay attention to the engineering problems of landscaping. This article first expounds the key points of construction in the process of landscaping and puts forward some specific and feasible reference measures for the existing problems at this stage.展开更多
The traditional relay protection debugging technology of generator-transformer group ignores the suppression of voltage distortion of generator-transformer group, which leads to the phase lag problem of generator-tran...The traditional relay protection debugging technology of generator-transformer group ignores the suppression of voltage distortion of generator-transformer group, which leads to the phase lag problem of generator-transformer group in the process of relay protection, and cannot realize the relay protection of generator-transformer group of power plant grid-connected unitsin stable and safe debugging. The protection effect of power relay is reduced with the application of automation and intelligent technology, so we should study new technology. This paper takes the remote operation and maintenance technology of power relay protection as the research object, and analyzes the specific application and development status of this technology in modern society. It is hoped that it can be helpful to the future development of power relay protection and is beneficial to my country's power relay protection with stable development.展开更多
At present, the number and scale of railway vehicles in China are very large, which plays an important role in transportation. Through the overhaul and maintenance of railway vehicles, the efficiency of the vehicles c...At present, the number and scale of railway vehicles in China are very large, which plays an important role in transportation. Through the overhaul and maintenance of railway vehicles, the efficiency of the vehicles can be effectively improved, so as to ensure the normal operation of railway vehicles. This paper mainly explores the maintenance technology and management mode of railway vehicles, hoping to promote the rapid development of railway transportation in China.展开更多
With the continuous development of enterprises, more and more enterprises pay attention to the training of staff's practical ability. In the maintenance of electronic devices, enterprises lack the training of staf...With the continuous development of enterprises, more and more enterprises pay attention to the training of staff's practical ability. In the maintenance of electronic devices, enterprises lack the training of staff's practical ability. In the maintenance of electronic devices of railway vehicles, due to the lack of a sound management system, maintenance personnel for the maintenance of electronic devices is not standard, resulting in cumbersome work. In the face of this, enterprises need to actively explore the innovation of maintenance technology, manage the maintenance process, improve the overall maintenance efficiency and promote the technical progress of maintenance personnel. This paper analyzes the status quo of electronic device maintenance technical training and discusses how to improve the quality of electronic device maintenance technical training.展开更多
With the continuous improvement and innovation of automobile manufacturing technology, the internal structure of automobile is becoming more and more complex, and simple parts replacement is no longer the work content...With the continuous improvement and innovation of automobile manufacturing technology, the internal structure of automobile is becoming more and more complex, and simple parts replacement is no longer the work content of automobile maintenance, which greatly increases the difficulty of maintenance. Therefore, the most important thing is to study the characteristics of automobile maintenance technology and improve and optimize its application measures. This paper mainly discusses the main characteristics of modern automobile maintenance technology, and the specific measures to improve it, hoping to provide some reference for relevant practitioners.展开更多
Railway is an important lifeline of the national economy, and a good line condition is a prerequisite to ensure traffic safety. In order to ensure the normal operation of the line and the technical level of the railwa...Railway is an important lifeline of the national economy, and a good line condition is a prerequisite to ensure traffic safety. In order to ensure the normal operation of the line and the technical level of the railway, it is necessary to regularly maintain the operation of the railway. The geometric shape of railway subgrade and railway is constantly changing due to the influence of railway load and natural environment, which will form a morbid state when it reaches a certain stage. In this case, it is necessary to maintain and overhaul the line to keep it in good condition.展开更多
During the construction of the highway, the influence of the surrounding environment is gradually increasing, so the highway in the construction at the same time, but also need to take certain measures, while the deve...During the construction of the highway, the influence of the surrounding environment is gradually increasing, so the highway in the construction at the same time, but also need to take certain measures, while the development of protection, for the destruction of the surrounding ecosystem for a certain recovery. At the same time, during the specific operation of the expressway, these work are needed to continuously improve, improve, do a good job of ecological system restoration, improve the overall landscape effect of the expressway, do ecological restoration and greening maintenance technology work are worth discussing.展开更多
Intelligent substation has the characteristics of high quality, standardization and scale, which can provide strong support for the construction of smart grid. However, there will be many problems in the operation of ...Intelligent substation has the characteristics of high quality, standardization and scale, which can provide strong support for the construction of smart grid. However, there will be many problems in the operation of smart substation. Relay protection device is an extremely important part in the working process of intelligent substation, which can effectively guarantee the normal operation of the whole intelligent substation. This paper analyzes the relay protection devices in the operation of smart substations in China, and puts forward reasonable suggestions on safety and operation and maintenance, which can provide theoretical basis for relevant practitioners, improve the stability and safety of smart substations, and promote the rapid development of smart grid in China.展开更多
With the development level of science and technology, electric power equipment is more widely used in the field of railway. Railway power equipment in the long use process may have some fault problems affect the norma...With the development level of science and technology, electric power equipment is more widely used in the field of railway. Railway power equipment in the long use process may have some fault problems affect the normal operation, so the railway unit should improve the attention to state maintenance technology, create a complete railway equipment state maintenance system, so that state maintenance technology can give full play to the application value in the railway power equipment management. This paper firstly analyzes the necessity of state maintenance of railway power equipment, and then discusses the measures to strengthen the maintenance management and maintenance of railway power equipment in order to have certain reference value for relevant research.展开更多
In the past few decades,high-speed trains have witnessed tremendous and vigorous development with the appearance of the oil crisis and industrialization,which became a significant trend in the transportation industry ...In the past few decades,high-speed trains have witnessed tremendous and vigorous development with the appearance of the oil crisis and industrialization,which became a significant trend in the transportation industry the world over.With the increase of high-speed railway mileage,the amount of high-speed train has grown sharply,the service life of the trains has increased gradually and the components of the vehicle traction system have become worn and aged as a result.Therefore,advanced maintenance technology and its application are key factors to reduce maintenance cost,human resource input and ensure safe,stable and reliable operation of trains.This paper summarizes and discusses the development,application mode,maintenance management and maintenance technology of high-speed railways of the major countries in the world,especially discusses the condition-based maintenance and the key technology of the traction electrical system,and offers the prospect of research direction and the development of traction maintenance technology.展开更多
In recent years, with the rapid development of my countrys economy and science and technology, a variety of advanced technologies such as informatization, multimedia, and the Internet have been widely used in various ...In recent years, with the rapid development of my countrys economy and science and technology, a variety of advanced technologies such as informatization, multimedia, and the Internet have been widely used in various fields of society, promoting the continuous improvement of the production level in the field. Under this circumstance, in order to better adapt to the development trend of the new era, my countrys broadcasting industry must pay more attention to the application of the medium-wave broadcasting signal transmission system. Efficiency is comprehensively improved. Based on this, it focuses on analyzing and exploring the specific structure of the medium-wave broadcast transmission system and the application measures of daily maintenance technology for the reference of relevant staff.展开更多
In recent years, with the continuous development of China's economy, China's infrastructure construction projects have been continuously improved. When increasing the construction scale and quantity of express...In recent years, with the continuous development of China's economy, China's infrastructure construction projects have been continuously improved. When increasing the construction scale and quantity of expressway projects, attention should be paid to the preventive maintenance construction and management of the old roads, so as to guarantee the performance and service life of the expressway and reduce the impact and loss caused by diseases such as cracking, oil flooding, rutting and aging during its operation and use. Micro surfacing technology is a preventive maintenance method, which has obvious advantages when applied to the maintenance construction of expressway asphalt pavement. It can improve the speed and efficiency of maintenance construction, and has relatively convenient construction operation, complete functions and less impact on traffic operation. The technology is gradually applied to the preventive maintenance construction of highway asphalt pavement and plays an important role.展开更多
Highway maintenance has a great impact on the use time of today's highway, want to ensure smooth road needs a good highway maintenance measures.?Highway problems need to take the highway data as maintenance standa...Highway maintenance has a great impact on the use time of today's highway, want to ensure smooth road needs a good highway maintenance measures.?Highway problems need to take the highway data as maintenance standards to develop an effective maintenance measures for the road importantly.?Documentation of the road's past is crucial.?It is very important to pay attention to road file management for road safety driving.?This paper explains from two aspects of road maintenance and archives management, explores the existing problems of archives management, and proposes solutions.?Improve road maintenance technology and file management and driving safety to make reference.展开更多
Engine is the "heart" of the vehicle, and the quality of its intake and exhaust system directly affects the economy and power performance of the vehicle. Based on the above background, this paper will talk a...Engine is the "heart" of the vehicle, and the quality of its intake and exhaust system directly affects the economy and power performance of the vehicle. Based on the above background, this paper will talk about the possible problems existing in the fault maintenance of mining truck engine, and combined with the current technical development of maintenance technology analysis, in order to promote the development of this technical field.展开更多
文摘In recent years,the subgrade and pavement diseases account for the vast majority of the expressway maintenance diseases,which puzzles many expressway maintenance departments and units.To sustain the continuous development of the expressway,the service level of the expressway is need to be improved,by ensuring the safety of the people,and by providing more convenient services for the people during travel.The technical measures for scientific maintenance of expressway subgrade and pavement diseases were discussed in this paper.Further,this paper discusses the main subgrade and pavement diseases types,and proposed the targeted maintenance methods,which can be as a reference for the expressway maintenance departments.
文摘The role of sintering machine is to ignite and burn the burnt mixture through ignition furnace, keep the temperature, transport it to the next working procedure, and cools it to form finished ore. In the past, the high heat generated by the combustion of the mixture could not be recycled. Now, by improving the system process, the high heat generated by sintering machine combustion can be recycled. The improvement of system technology has resulted in the change of sintering machine structure, which makes the previous maintenance technology not well developed. This paper introduces the advantages of the application effect of the new maintenance technology in the furnace by describing the changes of the maintenance technology in the ignition furnace and the holding furnace before and after the structural changes of the sintering machine.
文摘In the current development and construction process, further improving the maintenance and management of chemical machinery and equipment can further improve the work efficiency and drive the construction and development of industrial enterprises. Only good equipment maintenance and industrial maintenance management can make the cost investment output of chemical enterprises, reduce the operation of relevant machinery and equipment, and truly become a solid force to maintain the development of enterprises. At the same time, in the process of construction and management, relevant enterprises need to face up to the maintenance and management of chemical machinery and equipment, improve management level, enhance maintenance and maintenance technology, and further stabilize the healthy development of enterprises.
文摘With the continuous progress of science and technology, in the development process of Chinese modern industrial construction industry, the active introduction of all kinds of advanced shovels, the introduction of shovels to a large extent actively promote the improvement of industrial production efficiency, promote the development of Chinese industrial cause to automation, high efficiency. But based on the practical usage in excavator, excavator management and maintenance technology does not reach the designated position, to a large extent affected the use of the excavator, produced a series of problems, not only reduces the efficiency of industrial production, to a great extent, because of excavator failure led to a series of accident threat to people health. Therefore, it is of great significance to study the management and maintenance technology of electric shovels in this paper. In combination with the practical situation of Chinese current excavator use, combined with some problems put forward the corresponding countermeasure, constantly strengthen the scientific management of excavator, constant innovation and improvement of excavator maintenance technology, we should improve the legal system for excavator management and maintenance work, continuously improve the performance of excavator, promote the industrial progress.
文摘In recent years, with the rapid development of China's economy, all walks of life have made some progress. Just because of the gradual increase of human production and activities, the impact on the surrounding environment has become greater and greater. At the present stage of social development, in daily life, we can easily find that the air quality around is getting worse and worse. In this context, more and more people from all walks of life begin to pay attention to the engineering problems of landscaping. This article first expounds the key points of construction in the process of landscaping and puts forward some specific and feasible reference measures for the existing problems at this stage.
文摘The traditional relay protection debugging technology of generator-transformer group ignores the suppression of voltage distortion of generator-transformer group, which leads to the phase lag problem of generator-transformer group in the process of relay protection, and cannot realize the relay protection of generator-transformer group of power plant grid-connected unitsin stable and safe debugging. The protection effect of power relay is reduced with the application of automation and intelligent technology, so we should study new technology. This paper takes the remote operation and maintenance technology of power relay protection as the research object, and analyzes the specific application and development status of this technology in modern society. It is hoped that it can be helpful to the future development of power relay protection and is beneficial to my country's power relay protection with stable development.
文摘At present, the number and scale of railway vehicles in China are very large, which plays an important role in transportation. Through the overhaul and maintenance of railway vehicles, the efficiency of the vehicles can be effectively improved, so as to ensure the normal operation of railway vehicles. This paper mainly explores the maintenance technology and management mode of railway vehicles, hoping to promote the rapid development of railway transportation in China.
文摘With the continuous development of enterprises, more and more enterprises pay attention to the training of staff's practical ability. In the maintenance of electronic devices, enterprises lack the training of staff's practical ability. In the maintenance of electronic devices of railway vehicles, due to the lack of a sound management system, maintenance personnel for the maintenance of electronic devices is not standard, resulting in cumbersome work. In the face of this, enterprises need to actively explore the innovation of maintenance technology, manage the maintenance process, improve the overall maintenance efficiency and promote the technical progress of maintenance personnel. This paper analyzes the status quo of electronic device maintenance technical training and discusses how to improve the quality of electronic device maintenance technical training.
文摘With the continuous improvement and innovation of automobile manufacturing technology, the internal structure of automobile is becoming more and more complex, and simple parts replacement is no longer the work content of automobile maintenance, which greatly increases the difficulty of maintenance. Therefore, the most important thing is to study the characteristics of automobile maintenance technology and improve and optimize its application measures. This paper mainly discusses the main characteristics of modern automobile maintenance technology, and the specific measures to improve it, hoping to provide some reference for relevant practitioners.
文摘Railway is an important lifeline of the national economy, and a good line condition is a prerequisite to ensure traffic safety. In order to ensure the normal operation of the line and the technical level of the railway, it is necessary to regularly maintain the operation of the railway. The geometric shape of railway subgrade and railway is constantly changing due to the influence of railway load and natural environment, which will form a morbid state when it reaches a certain stage. In this case, it is necessary to maintain and overhaul the line to keep it in good condition.
文摘During the construction of the highway, the influence of the surrounding environment is gradually increasing, so the highway in the construction at the same time, but also need to take certain measures, while the development of protection, for the destruction of the surrounding ecosystem for a certain recovery. At the same time, during the specific operation of the expressway, these work are needed to continuously improve, improve, do a good job of ecological system restoration, improve the overall landscape effect of the expressway, do ecological restoration and greening maintenance technology work are worth discussing.
文摘Intelligent substation has the characteristics of high quality, standardization and scale, which can provide strong support for the construction of smart grid. However, there will be many problems in the operation of smart substation. Relay protection device is an extremely important part in the working process of intelligent substation, which can effectively guarantee the normal operation of the whole intelligent substation. This paper analyzes the relay protection devices in the operation of smart substations in China, and puts forward reasonable suggestions on safety and operation and maintenance, which can provide theoretical basis for relevant practitioners, improve the stability and safety of smart substations, and promote the rapid development of smart grid in China.
文摘With the development level of science and technology, electric power equipment is more widely used in the field of railway. Railway power equipment in the long use process may have some fault problems affect the normal operation, so the railway unit should improve the attention to state maintenance technology, create a complete railway equipment state maintenance system, so that state maintenance technology can give full play to the application value in the railway power equipment management. This paper firstly analyzes the necessity of state maintenance of railway power equipment, and then discusses the measures to strengthen the maintenance management and maintenance of railway power equipment in order to have certain reference value for relevant research.
文摘In the past few decades,high-speed trains have witnessed tremendous and vigorous development with the appearance of the oil crisis and industrialization,which became a significant trend in the transportation industry the world over.With the increase of high-speed railway mileage,the amount of high-speed train has grown sharply,the service life of the trains has increased gradually and the components of the vehicle traction system have become worn and aged as a result.Therefore,advanced maintenance technology and its application are key factors to reduce maintenance cost,human resource input and ensure safe,stable and reliable operation of trains.This paper summarizes and discusses the development,application mode,maintenance management and maintenance technology of high-speed railways of the major countries in the world,especially discusses the condition-based maintenance and the key technology of the traction electrical system,and offers the prospect of research direction and the development of traction maintenance technology.
文摘In recent years, with the rapid development of my countrys economy and science and technology, a variety of advanced technologies such as informatization, multimedia, and the Internet have been widely used in various fields of society, promoting the continuous improvement of the production level in the field. Under this circumstance, in order to better adapt to the development trend of the new era, my countrys broadcasting industry must pay more attention to the application of the medium-wave broadcasting signal transmission system. Efficiency is comprehensively improved. Based on this, it focuses on analyzing and exploring the specific structure of the medium-wave broadcast transmission system and the application measures of daily maintenance technology for the reference of relevant staff.
文摘In recent years, with the continuous development of China's economy, China's infrastructure construction projects have been continuously improved. When increasing the construction scale and quantity of expressway projects, attention should be paid to the preventive maintenance construction and management of the old roads, so as to guarantee the performance and service life of the expressway and reduce the impact and loss caused by diseases such as cracking, oil flooding, rutting and aging during its operation and use. Micro surfacing technology is a preventive maintenance method, which has obvious advantages when applied to the maintenance construction of expressway asphalt pavement. It can improve the speed and efficiency of maintenance construction, and has relatively convenient construction operation, complete functions and less impact on traffic operation. The technology is gradually applied to the preventive maintenance construction of highway asphalt pavement and plays an important role.
文摘Highway maintenance has a great impact on the use time of today's highway, want to ensure smooth road needs a good highway maintenance measures.?Highway problems need to take the highway data as maintenance standards to develop an effective maintenance measures for the road importantly.?Documentation of the road's past is crucial.?It is very important to pay attention to road file management for road safety driving.?This paper explains from two aspects of road maintenance and archives management, explores the existing problems of archives management, and proposes solutions.?Improve road maintenance technology and file management and driving safety to make reference.
文摘Engine is the "heart" of the vehicle, and the quality of its intake and exhaust system directly affects the economy and power performance of the vehicle. Based on the above background, this paper will talk about the possible problems existing in the fault maintenance of mining truck engine, and combined with the current technical development of maintenance technology analysis, in order to promote the development of this technical field.
