Keywords: mechanical engineering, automation equipment, installation technology
Foreword:
1 problems existing in installation technology of mechanical engineering automation equipment
1. 1 Equipment installation vibration
The most common problem in the operation of mechanical equipment is the vibration of mechanical equipment. The operation of mechanical engineering depends on the rotation of the rotor to provide power. Therefore, when all kinds of machinery repeat various actions, it is easy to have a part or part to relax. At this time, the mechanical operation will produce vibration, or the phenomenon of unbalanced mechanical operation will lead to serious consequences over time.
1.2 equipment assembly deviation
Automatic mechanical equipment needs to make many detailed actions repeatedly during operation, so it is very important to ensure the accuracy of equipment installation during installation. Mechanical installation generally refers to the installation of bolts and nuts and the coincidence degree of mechanical gears. However, these parts will inevitably appear deviation in the process of copying, which will bring deviation to the installation process of machinery. In addition, the nut of the machine will loosen during the perennial operation, which will affect the normal operation of the machine. Moreover, with the change of seasons, the installation of equipment parts will be affected by temperature, which may also lead to the loosening of mechanical parts and affect the normal operation of machinery. Therefore, in order to ensure the normal operation of gears in the case of seasonal changes, we usually use the method of raising the temperature to install gears, but after the temperature drops, some deviations will inevitably occur in gears.
1.3 technical personnel training
In addition to these inevitable factors, there are also human factors that affect mechanical installation. At present, the technical level of many mechanical engineering installers in China has reached the standard. Not only that, but their responsible attitude usually has some problems. The most important thing is that although our country attaches great importance to the practical application of mechanical engineering, it does not pay enough attention to mechanical installation, so the construction site of mechanical installation lacks professional technicians, which is one of the reasons why mechanical installation is not up to standard.
1.4 uneven stress on equipment installation
Mechanical parts are generally installed in the natural environment, that is, in the state of self-weight, so once the force exceeds the load during assembly, the installation accuracy will change to varying degrees. During installation, the levelness of the arm shaft, the direction of the arm shaft and the center line of the unit should be well balanced to avoid the influence of the internal shear line on the installation efficiency of the equipment.
2 Mechanical engineering automation equipment installation technical points
To do a good job in the installation of mechanical equipment, we must first pay attention to the preparation work before the project starts. In order to ensure the orderly installation of machinery, the corresponding construction scheme should be formulated before installation, and all installation work should be carried out in an orderly manner according to the pre-planned steps. At the same time, it is necessary to analyze the feasibility of the scheme and improve its shortcomings according to actual needs. Then, in the actual installation process, we should pay special attention to the key points of installation, such as the installation of bearings and the welding problems in the installation process to ensure that there will be no problems in the installation of these components. Finally, the normal operation of mechanical equipment depends on the control of internal precision instruments. When installing these instruments, attention should be paid to the compactness of the instruments to avoid the interference of external factors during the operation of the equipment.
3 mechanical engineering automation equipment installation technical problems and measures
3. 1 Solution of Force Balance Problem
When installing mechanical equipment, the first thing to consider is the mechanical equipment needed for equipment installation. Only by preparing all mechanical equipment and tools in advance can the mechanical installation proceed smoothly. However, mechanical equipment is easy to be scratched during installation, so it needs to be padded with cardboard or wooden board when lifting equipment by crane.
3.2 Solution to Assembly Deviation Problem
3.2. 1 equipment positioning
In order to ensure the accuracy of equipment installation, we need to measure the location of equipment installation in advance and mark it before the next installation operation, so this requires that the installation marking should be very accurate. Therefore, we usually use a steel wire with a relatively small radius as the baseline for hanging signs, and the distance between signs should not be too long when setting signs. At the same time, the setting of signs cannot be the same. With the installation work, the signs of mechanical installation should be adjusted with the different progress of the project to cope with the accidents encountered in the installation process. After installation, it is necessary to check the equipment regularly during use.
Equipment levelness adjustment
After the overall installation of the equipment is completed, we need to adjust the details of the equipment. The first is the adjustment of equipment levelness. The main work is divided into two parts: overall equipment adjustment and split equipment adjustment. When adjusting the equipment, we will use a level meter to accurately measure the equipment, and then make detailed adjustments to the equipment with insufficient level.
4 Analysis of the current situation of mechanical equipment installation technology in the construction industry
4. 1 The method of construction organization design has changed greatly.
With the development of society, the application of information technology in construction organization design is more and more extensive, so the network method has replaced the strip method (that is, streamline diagram) in compiling construction progress. The construction sequence is based on the idea of parallel interchange, and the optimal design method is used to make the total construction period of mechanical equipment installation shortest and the construction strength of each process balanced.
4.2 Application of new basic processing technology
In the aspect of foundation treatment, due to the popularization and application of new technology, it is often found that the embedded anchor bolts do not meet the standard requirements during foundation acceptance. In the past, embedded anchor bolts were buried by removing concrete, but now they can be treated by epoxy mortar bonding, which is convenient and time-saving.
4.3 Use slurry method instead of grinding method.
The placing method of the backing plate and backing slurry is to cut a pit shaped like the bottom of the pot on the basis of placing the backing plate, and make a steamed bread-shaped pile with slightly expanded cement mortar. Then put the pad on the pile and beat the pad with a hammer until it reaches the specified elevation and levelness. After three days of curing, the equipment can be installed. On the basis of equipment, it saves the polishing operation of the backing plate, which saves labor and ensures a good contact area, and its contact area can exceed 90%.
5. Automation equipment installation and personnel training
At present, China's automatic equipment installation technology reserve force is seriously insufficient. First, China pays more attention to the research work of mechanical equipment automation, and then puts forward a lot of research funds. However, there is serious neglect in the installation of mechanical equipment, and there are relatively few scientific research projects. In addition, due to the imperfect training mode of installation technicians, there is a lack of training not only for front-line installers, but also for installers. Therefore, it is necessary to continuously strengthen the research of automatic installation technology, at the same time, we can add some disciplines of mechanical equipment installation, strengthen the research in this field, and improve the education and training of equipment installation personnel, so as to strengthen the quality of mechanical equipment installation and improve the international competitiveness of China's industrial products.
6. Enhance the quality awareness of mechanical engineering automation equipment installation technicians.
In the process of automatic installation of mechanical equipment, its installation quality will directly affect the production efficiency of mechanical equipment, on the other hand, it will also affect the quality and accuracy of industrial finished products. Installation technology has a certain relationship with the later benefit of the product. At present, the technicians involved in the installation of mechanical equipment in China are not aware of quality, and at the same time they are not aware of the importance of equipment installation quality. Therefore, it is necessary to enhance the quality awareness of installation technicians and improve the installation quality in an all-round way. On the one hand, in the process of equipment installation, it is necessary to achieve comprehensive and meticulous supervision and management and standardize the operation of its equipment installation technicians. On the other hand, in the preparation work before equipment installation, we must pay attention to training installation technicians, sum up some excellent installation experience, and actively improve their installation technology. Only in this way can the installation quality of mechanical equipment be guaranteed to a certain extent.
7 conclusion
In short, with the development of the times, mechanical automation equipment will penetrate into all aspects of our life and production, greatly improving the production efficiency of China's industrial production and the core competitiveness of China's industrial products in the world. Therefore, we must attach great importance to the mechanical automation technology of industrial production and constantly improve its technical level.
References:
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