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tension cylinder Sold to New Zealand

Release time:2023-11-15 10:42:25 Hits:101 Current position: Home > News

This article mainly introduces:

New Zealand hydraulic cylinder,tension cylinder manufacturer,tension cylinder

New Zealand tension cylinder

(New Zealand tension cylinder,produced by Hengyu Group)

tension cylinder are widely used in New Zealand,because of smooth movement,no need for deceleration device,long service life.So our company has designed tension cylinder for customers from New Zealand.

Introduction to tension cylinder:

tension cylinder installation precautions: Before installing the tension cylinder into the system, the parameters on the tension cylinder label should be compared with the parameters when ordering. The base of the tension cylinder must have sufficient stiffness, otherwise the tension cylinder will bend upward into a bow when pressurized, so that the piston rod will bend.

Under normal circumstances, the tension 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 tension cylinder or from the high pressure chamber to the low pressure chamber, a sealing device (sealing ring) is arranged between the tension cylinder and the end cover, the piston and the piston rod, the piston and the tension 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 tension cylinder can also be provided with a buffer device. If necessary, the exhaust device should be set in order to exhaust.

Causes and countermeasures of oil tension cylinder leakage: Cast iron ring seal allows a certain degree of internal leakage. The impurities in the tension cylinder will lead to premature wear of the piston seal, replace the piston seal; If the tension cylinder is visibly scarred, the tension cylinder must be replaced. It can be pressurized at one end of the tension cylinder and opened at the other end of the oil port to observe whether there is obvious internal leakage at the end of the oil port. Most tension cylinder piston drift may not come from the tension cylinder, the above method to determine the tension cylinder without internal leakage is helpful to determine the problem of the hydraulic system related components.

The pressure, temperature, medium and speed of different types of seals are not the same, water-ethylene glycol medium (HFC) can not be sealed with polyurethane, it can only use rubber seal; When the tension cylinder is running fast, it must be sealed with slip ring, such as Sterseal, Glairing, GD1000K, TDI, etc., when the running speed is slow, Yx, U, V combination seals can be used; Fluorine rubber seal is used in high temperature and high pressure environment; When the running speed is fast, the buffer sleeve and buffer valve must be considered.

Answers to some questions about tension cylinder:

What is the cause of the sound of the excavator arm cylinder?
Hydraulic excavator cylinder includes boom cylinder, bucket rod cylinder and bucket cylinder, four cylinders. The sound of boom cylinder may be the wear of hydraulic cylinder block bushing, piston rod bushing and shaft pin. The main reason: poor lubrication, followed by improper clearance in the assembly process. Countermeasures: (1) Strictly lubricate each shaft pin at least once every 8 hours when the excavator is initially used for 100 hours and under harsh conditions; In other working conditions, lubricate each pin at least once every 50 hours. (2) If the lubricating oil passage is found to be blocked, it must be stopped for rectification. (3) Require assembly, replacement of all parts of the shaft pin, bushing strictly comply with the assembly testing standards and operating procedures.

Why does the tipping bucket cylinder have a cylinder withdrawal problem?
This problem may have a certain relationship with the operation of the driver, the main reasons are the following two situation analysis: 1, the current domestic loader working device is mostly a six-link mechanism, the six-link mechanism in the bucket to the limit position, lift the boom, the rotating bucket cylinder will appear "cylinder pulling" phenomenon, that is, the piston rod of the rotating bucket cylinder will be pulled out. In this case, in order to protect the cylinder, a pressure overload protection valve with large and small cavities is provided on the multi-way valve rotating bucket link (large chamber 18MPa, small chamber 12MPa). 2, before the cylinder is assembled to the whole machine, the cylinder is not limited, the piston rod of the cylinder can be pulled in place before and after, but when it is installed on the whole machine, in order to avoid the cylinder pulling out, the limit switch is installed according to the regulations.

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