hydraulic excavator

Hydraulic transmission is closely linked with the hydraulic transmission, and its development is based on the application of hydraulic technology. Its structure is mainly composed of engine, hydraulic system, working device, walking device and electrical control. Because of the bad working conditions of the excavator, the action is very complicated. Therefore, it has a very high requirement to the design of hydraulic system. Therefore, the analysis and design of the hydraulic system of the excavator has become an important part of the excavator.

The single bucket hydraulic digging machine is a kind of mechanical equipment, which is composed of three parts, the working device, the rotary device and the walking device. The working device comprises a movable bucket rod and can be replaced according to the needs of the various equipment such as shovel, facelift, backhoe loader, and grab, the typical work cycle are as follows:

(1) to dig hard when tied in Tucheng generally dominated by the bucket rod bucket cylinder with action, adjust the cutting angle, with the excavation in soft soil slope mining; in turn, is dominated by bucket cylinder action; by the special requirements of the mining operation, the bucket rod bucket cylinder, cylinder and pneumatic powder. The three composite action. In order to ensure the specified trajectory bucket.

(2) full bucket lifting and rotary digging bucket cylinder end, launch dynamic secondary cylinder rises, the bucket lifting; at the same time the rotary motor start to dump the direction of the rotating turntable.

(3) to the unloading place. Unloading turntable turntable braking cylinder to adjust the discharge radius of the bucket rod bucket cylinder. Back to the skip unloading. When the unloading position and height are required to be strictly required, the Kr matching operation is also needed.

(4) after the end of the discharge, the rotary table is reversed to the reverse rotation, while the dynamic price and the bucket rod cylinder cooperate with the action, so that the air bucket is placed in the new excavation site.

A powder widely used single bucket hydraulic digging machine are in construction, transportation, water conservancy construction, the thin Yao mining and modernized military engineering, earthwork construction is indispensable in the claw to mechanical equipment.