This article mainly introduces:

Bolivia hydraulic cylinder,large cylinder manufacturer,large cylinder

(Bolivia large cylinder,produced by Hengyu Hydraulic Cylinder Factory）

large cylinder are widely used in Bolivia，because of high work efficiency，excellent fatigue and impact resistance，no need for deceleration device.So our company has designed large cylinder for customers from Bolivia.

Introduction to large cylinder:

The difference between the integral large cylinder and the split large cylinder: The integral large cylinder and the split large cylinder in the large cylinder are two different large cylinders, and they are very different. The whole large cylinder, which is cast in one body, is not prone to problems such as oil leakage; The split large cylinder is welded twice, so if it is not handled well at the welding, it is prone to problems such as oil leakage and large cylinder damage. Therefore, it is obvious that the answer to this question is for difference.

Before the large cylinder is removed, the system should be unloaded, the loop pressure is zero, the oil source should be cut off, and the oil port should be blocked after the oil port distribution pipe is loosened.

Under normal circumstances, the large cylinder is composed of the rear end cover, body, piston, piston rod and front end cover and other main parts. In order to prevent the working medium from leaking out of the large cylinder or from the high pressure chamber to the low pressure chamber, a sealing device (sealing ring) is arranged between the large cylinder and the end cover, the piston and the piston rod, the piston and the large cylinder, the piston rod and the front end cover. A dustproof device is also provided on the outside of the front end cover. In order to prevent the piston from impacting the end cap when it moves rapidly to the end of the stroke, the end of the large cylinder can also be provided with a buffer device. If necessary, the exhaust device should be set in order to exhaust.

The assembly work of the large cylinder has a great impact on the quality of the large cylinder: each part must be carefully cleaned before assembly; To correctly install the sealing device everywhere: when installing the sealing ring, pay attention to its installation direction to avoid oil leakage due to installation, and its lip should be equipped with a pressure oil chamber. In addition, because it is a YX-shaped sealing ring, it is necessary to pay attention to distinguish between shaft and hole use, do not install wrong; Because the sealing device is matched with the sliding surface, an appropriate amount of hydraulic oil should be applied during assembly; The special wrench should be used when the threaded coupling is tightened, and the torque should meet the standard requirements; After the piston and piston rod are assembled, it is necessary to measure whether the coaxiality and straightness on the full length are out of whack. After assembly, there should be no blocking sensation and uneven resistance when the piston assembly moves.

Answers to some questions about large cylinder:

Is a hydraulic cylinder and a jack the same thing?
Strictly speaking, no. Although the hydraulic principle is used, and even some of the longer jacks are similar to the cylinder, the internal structure of the two is different. There is a check valve inside the jack. After the top lift, the check valve locks the hydraulic oil circuit, and the hydraulic oil only enters and does not exit after the check valve locks, and can be lowered to complete a reciprocating movement. The cylinder is usually connected to the distribution tube to control the movement, and works with a wide variety of distribution valves and distribution systems according to different needs. The jack only needs a simple check valve.

Is it normal for the cylinder to turn black?
Cylinder blackening is a soft fault: 1. It does not affect the normal operation of your equipment. 2. Cylinder blackening involves a lot of things: hydraulic oil, oil seal material, piston rod coating, etc. These three things are not determined by the manufacturer because these three things are provided by other manufacturers. If the equipment is not due to high temperature caused by the black cylinder, you do not have to worry too much because your excavator can still work normally. If you feel uncomfortable, you can choose to replace the cylinder or replace the hydraulic oil.