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The rear frame components of an excavator are crucial parts that support its movement and stable operation. Below is a detailed introduction to its core components:
I. Rear Frame Structure and Function
The rear frame is an important part of the excavator's chassis, connected to the front frame via a swing bearing, together forming the basis of the excavator's walking mechanism. The rear frame must withstand the excavator's own weight, working load, and various external forces, therefore it must have sufficient strength and rigidity. At the same time, the rear frame also carries important components such as the engine and hydraulic system, playing a vital role in the overall stability and reliability of the machine.
II. Main Component Types
Swing Bearing:
Function: Connects the upper and lower carriages, allowing the upper carriage to rotate around the lower carriage, while also bearing the overturning moment.
Maintenance: The rollers (balls) inside the track ring need regular lubrication to reduce wear and extend service life.
Drive Wheel and Track:
Drive Wheel: Drives the entire machine's movement and steering, and is the power source for excavator movement.
Track: Provides friction with the ground, allowing the excavator to move stably on various terrains.
Support Roller and Idler:
Support Roller: Supports the weight of the excavator, distributing the weight evenly to the ground.
Idler: Supports the track, preventing it from sagging or falling off, ensuring the track runs along its intended path.
Travel Reducer and Motor:
Function: Provides powerful power (torque) to drive the sprocket and track, enabling the excavator to complete walking and turning movements.
Maintenance: Regular lubrication should be applied to all lubrication points, and debris should be cleaned promptly. Check the tightening status of the fastening bolts.
III. Component Characteristics and Requirements
High Strength and Wear Resistance:
Rear frame components need to withstand large loads and friction, so they must have high strength and wear resistance to ensure long-term stable operation.
Good Matching Accuracy:
The matching accuracy between rear frame components directly affects the overall performance of the excavator. Therefore, dimensional accuracy and form and position tolerances must be strictly controlled during manufacturing.
Easy Maintenance and Servicing:
Rear frame components should be designed for easy maintenance and servicing, so that they can be quickly replaced or repaired in case of failure.
Rear frame
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Products cover core structural components such as excavators, loaders, forklifts, and mining machinery
Our products cover core structural components such as excavators, loaders, forklifts, and mining machinery
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