The excavator undercarriage is one of the important components of the excavator. It is also the support and traveling part of the excavator. It is mainly composed of the traveling mechanism, chassis frame and cab (or operating room).
Excavator undercarriage can be divided into three types: crawler type, four-wheel type and wheel type, providing a variety of options for different operating environments and operating requirements.
Classification of excavator chassis
1. Crawler chassis: It is an excavator chassis that uses crawler tracks as the traveling mechanism. Its main features are strong bearing capacity, wide adaptability, good passability, anti-skid, etc. It is often used in operating environments with difficult terrain and complex working conditions, such as Mines, muddy construction sites, mountainous areas, etc.
2. Four-wheel chassis: It is an excavator chassis that uses a four-wheel drive structure as the traveling mechanism. Its main features are smooth and comfortable, flexible and convenient, and high operating efficiency. It is often used in urban roads, municipal construction, construction and other operating environments.
3. Wheeled chassis: It is an excavator chassis that uses rubber wheels as the traveling mechanism. Its main features are smooth driving, flexibility, lightness, and high operating efficiency. It is suitable for operations in indoor venues and smooth roads.
Basic components of excavator undercarriage
The excavator undercarriage is composed of multiple components such as crawler tracks, drives, traveling motors, and outriggers. Each component plays an indispensable role in the operation of the excavator, and its importance cannot be ignored. For excavator practitioners, a deeper understanding of the composition and function of the excavator chassis will enable better maintenance and use of the excavator.
The most important element on the excavator chassis is the track. The track is a component used to connect the vehicle body and the driving wheel, and is often composed of sprockets, track shoes, chain rings and other parts. It can not only support the weight of the machine, but also withstand various pressures during operation and maintain the balance of the machine.
The drive is an important component that connects the power source and the crawler track. Common drives include reducers and planetary reducers. The driver transmits the power of the engine to the walking motor through power transmission to drive the crawler track.
Travel motors are power-driven motors that are usually installed inside a series of bearings and gears in the chassis. The motor drives the gears and sprockets on the shaft to rotate, which turns the track. During work, the traveling motor can provide powerful torque and speed, allowing the excavator to travel flexibly in various harsh terrain environments.
The chassis of large excavators is generally equipped with outriggers, which are important equipment for balancing and supporting the excavator. During use, the excavator needs to perform stable operations, and the outriggers can provide a larger support area, thereby increasing the balance of the excavator.
Choose your excavator undercarriage carefully
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Yongxing Engineering Machinery Co. Ltd. of Quanzhou City is an integrated engineering machinery parts production enterprise.
The company has been committed to a variety of Komatsu, Carterpillar, Hitachi, Sumitomo, Kobelco, Daewoo, Kato, Hyundai and other imports, domestic excavators, bulldozers of the heavy wheel, guide wheel chainwheel, drive teeth, chain rails, “four-wheel” The bottom parts and pins, shafts, Research and development, manufacture and sale of high strength and vulnerable parts such as sleeves and bolts.
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