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General structure of single bucket hydraulic excavator The overall structure of single bucket hydraulic excavator includes power unit, 1. working device, 2. slewing mechanism, 3. control mechanism, 4. transmission system, 5. traveling mechanism, 6. auxiliary equipment, etc.   The excavator converts the chemical energy of diesel into mechanical energy through the diesel engine, and the mechanical energy is converted into hydraulic energy by the hydraulic plunger pump. The hydraulic energy is distributed to each actuating element (hydraulic cylinder, rotary motor+reducer, traveling motor+reducer) through the hydraulic system, and the hydraulic energy is converted into mechanical energy by each actuating element to realize the movement of the working device, the rotary motion of the rotary platform, and the walking motion of the whole machine.

1. The power transmission route of excavator is as follows 1) Traveling power transmission route: diesel engine I - coupling I - hydraulic pump (mechanical energy is converted into hydraulic energy) - distribution valve - central rotary joint - traveling motor (hydraulic energy is converted into mechanical energy) - gearbox I - driving wheel - rail chain track - to realize traveling 2) Transmission route of slewing motion: diesel engine I - coupling - hydraulic pump (mechanical energy is converted into hydraulic energy) - distribution valve - slewing motor (hydraulic energy is converted into mechanical energy) - reduction gearbox - slewing bearing - slewing 3) Boom movement transmission route: diesel engine -- coupling -- hydraulic pump (mechanical energy is converted into hydraulic energy) -- distribution valve -- boom cylinder (hydraulic energy is converted into mechanical energy) -- to realize boom movement 4) Transmission route of stick movement: diesel engine - coupling - hydraulic pump (mechanical energy is converted into hydraulic energy) - distribution valve - stick cylinder (hydraulic energy is converted into mechanical energy) - to realize stick movement 5) Bucket movement transmission route: diesel engine -- coupling -- hydraulic pump (mechanical energy is converted into hydraulic energy) -- distribution valve -- bucket cylinder (hydraulic energy is converted into mechanical energy) -- to realize bucket movement

CTT Expo Russia is an annual trade fair that brings together leading companies in the construction industry to showcase their latest products and services. The exhibition features a wide range of equipment and technologies related to construction, mining, and road building, making it a must-attend event for professionals in the industry.   The CTT Expo Russia exhibition is held at the Crocus Expo International Exhibition Center in Moscow, Russia. The event attracts exhibitors and visitors from all over the world, making it a great opportunity for networking and learning about new trends and developments in the industry.   Exhibitors at the CTT Expo Russia showcase a diverse range of products and services, including crushing and screening equipment, earth-moving machines, construction vehicles, road-building machinery and equipment, equipment for concrete works, and much more. This makes it a one-stop-shop for professionals in the construction industry who are looking for the latest and most innovative solutions.     In addition to the exhibition, the CTT Expo Russia also features a series of conferences and seminars that cover a wide range of topics related to the construction industry. These events provide a platform for experts to share their knowledge and insights and for attendees to learn about new technologies and best practices.   The CTT Expo Russia is a highly anticipated event in the construction industry and has been a great success in previous years. The 2023 edition of the exhibition was held during May 23-26, and it attracted a large number of exhibitors and visitors from different countries. The exhibition showcased the latest technologies and services in the industry and provided a platform for companies to network and do business.   Looking ahead, the next edition of the CTT Expo Russia is expected to be held in Moscow in May 2024. The event promises to be even bigger and better than before, featuring the latest technologies and services in the construction industry and providing a platform for professionals to learn and network.   In conclusion, the CTT Expo Russia is a must-attend event for professionals in the construction industry. The exhibition provides a platform for companies to showcase their latest products and services, and the conferences and seminars provide opportunities to learn about new technologies and best practices. If you work in the construction industry, be sure to mark your calendar for the next edition of the CTT Expo Russia in May 2024.