Excavator, also known as excavating machinery, is an earth-moving machine that excavates materials above or below the bearing surface and loads them into a transport vehicle or unloads them into a stockyard. The excavated materials consist primarily of soil, coal, silt, and pre-loose soil and rocks, with a small amount of sand and gravel. hydraulic breaker have risen to become one of the most important pieces of construction machinery in the engineering construction industry in recent years, according to the perspective of development of construction machinery in recent years. The operating weight, engine power, and bucket capacity of an excavator are the three most important parameters of the machine.

Excavators are used for a variety of tasks, including the following:

Following the replacement of the working device, it is possible to carry out the following operations: (1) excavation of building and plant foundations; (2) excavation of earth materials and stripping of the mining field cover; (3) loading operations in quarries, tunnels, underground powerhouses and stockyards; (4) excavation of canals and dredged waterways; and (5) pouring, lifting, installation, piling, ramming, and other operations.

Formalized phrasing:

Construction elements common to hydraulic breaker include the power unit, the working unit, the slewing mechanism, the operating mechanism, the transmission mechanism, the walking mechanism, and auxiliary equipment. A hydraulic pump delivers power from the engine to hydraulic motors, hydraulic cylinders, and other actuators, which in turn pushes the working device to move, allowing it to complete a variety of operations.

a device for walking

The chassis, which includes the crawler frame and the traveling system, is referred to as the traveling device. The crawler frame, the traveling motor + reducer and its pipeline, the driving wheel, the guide wheel, the supporting wheel, the supporting wheel, the crawler, and the tension buffer device are the major components of the crawler. The excavator's main function is to support the weight of the machine and convert the power transmitted by the driving wheels into traction, which allows the machine to walk around.

The frame assembly (also known as the crawler walking frame assembly) is a fully welded part that has an X-shaped structure and is an integral part of the crawler. The fact that it has a high load-bearing capacity is its primary advantage. The frame assembly is made up of three parts: the left longitudinal beam (also known as the left crawler frame), the main frame (also known as the middle frame), and the right longitudinal beam (also known as the right crawler frame), which are all welded together. The frame assembly weighs a total of 2 tons in total.

Known as the central swivel joint, it is a hydraulic component that connects the slewing platform to the chassis's oil circuit. It ensures that the walking motor can continue to distribute oil normally even if the slewing platform is rotated at an angle other than vertical. The swivel joint that is currently in use is a 5-way joint.

Equipment for the Job

The working device of a hydraulic breaker is the most important component. An excavator with a backhoe working device is currently installed on the SY series of excavators. Except for digging, it is primarily used to excavate the soil below the stop surface, but it can also excavate the soil below the maximum cutting height. Ditting and loading are also capable of performing simple site leveling operations. Excavation work is suitable for excavating soils ranging from grade 1 to grade 4 in composition. For grade and higher, hydraulic hammers or blasting methods are required.
There are several major components to a backhoe working device. These include the following: the boom; stick; bucket; rocker; connecting rod; and working device hydraulic pipeline, which includes the following: boom cylinder; stick cylinder; and bucket cylinder.

The structure and operation of the electrical power system

The fuel inlet system consists of the following components: a fuel tank, a hose, a hand oil pump, a coarse filter, a fine filter, and a diesel engine.
Oil return system: diesel engine  hose  fuel tank (because the oil return volume is relatively large, it can be used to cool the engine partially).