I. What is a crawler excavator?

A crawler excavator is a type of construction equipment consisting of a tracked undercarriage and a rotating rake bucket attached to the undercarriage. It is characterized by high mobility, wide working range, high reliability and easy operation. The tracked chassis can adapt to various terrains, so the tracked excavator is suitable for various fields such as urban construction, highway construction, soil and water conservation, water conservancy engineering, mining and agriculture.

Structure and working principle of crawler excavator

The basic structure of crawler excavator consists of three parts: chassis, upper turntable and bucket arm. The undercarriage has two tracks, which are driven by two walkers through the hydraulic system. The upper turntable is mounted on the chassis and can be rotated 360 degrees, on which the bucket arm is mounted. The bucket arm consists of a bucket bar and a bucket head with teeth for digging and shoveling material. Crawler excavators work by controlling the machine's actions, including movement, rotation, and up and down operation of the bucket arm, by means of a walker and a control lever in the cab.

Third, how to use the crawler excavator?

1. Before operation, you need to carefully check whether the various parts of the machine are functioning properly, including tires, tracks, batteries, hydraulic systems, engines and so on.

2. Before starting operation, you should familiarize yourself with the machine's control devices and master various operation methods and techniques.

3. the site must be cleared before operation to prevent the machine from being jammed or damaged, pay attention to the people and objects around when digging, and keep a safe distance.

4. Check the status of the machine at any time, if found abnormalities should take timely measures to solve.

In conclusion, crawler excavator is a multi-functional machine that can be widely used in a variety of engineering fields. When using a crawler excavator, you need to familiarize yourself with its structure and working principle, as well as pay attention to safety matters and correct operation methods, in order to ensure that it can efficiently complete the work task.