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Introduction of hydraulic bolt tensioner
source:Industry News release time:2021-03-20 Article author:Rosit Popular:Air band saw
Hydraulic bolt tensioner is abbreviated as hydraulic tensioner. The function of its power element is to convert the mechanical energy of the prime mover into liquid pressure energy. It refers to the oil pump in the hydraulic system, which provides power to the hydraulic bolt tensioner to realize the fluid hydraulic pump to mechanical energy. Conversion. The function of the power element of the hydraulic bolt tensioner is to convert the mechanical energy of the prime mover into the pressure energy of the liquid, which refers to the oil pump in the hydraulic system, which provides power to the entire hydraulic system.
Advantages of hydraulic bolt tensioner
1. Generally, mineral oil is used as the working medium, the relative moving surface can be lubricated by itself, and the service life is long.
2. Light weight, small size, small movement inertia and fast reaction speed.
3. Various components of hydraulic transmission can be conveniently and flexibly arranged according to needs.
4. The overload protection can be realized automatically.
https://www.greenwayalu.com/industry_news/5. Convenient operation and control, and multiple bolts can be tightened at the same time. Save labor costs.
6. It is easy to realize linear motion.
7. It is easy to realize the automation of the machine. When the electro-hydraulic joint control is adopted, not only a higher degree of automatic control process can be realized, but also a remote control can be realized.
8. It can be used as a device for hydraulic interference connection to apply axial force for top pressure installation. There are four types of hydraulic tensioners: general-purpose type, interchangeable stretching head type, unipolar reset type and bipolar reset type.
The working pressure of the four hydraulic tensioners is 150Mpa.
1. The ordinary type is suitable for the stretching of single specification bolts, with light weight and high precision. Small size and compact structure;
2. The tensile head interchangeable type has strong versatility, and it can be applied to the drawing of multiple specifications of bolts by replacing the tensile head;
3. Single-stage reset type piston automatic reset design, suitable for frequent use;
4. The design of double-pole reset type double oil cylinder is suitable for working conditions with narrow space.
Hydraulic bolt tensioner
1. It must be operated in strict accordance with the method and procedures required by the manual, and the working pressure input by the hydraulic tensioner and the extension length of the bolt cannot be increased at will, so as not to damage the sealing ring and related matching parts.
2. After finishing the work, it should be wiped clean and kept properly, especially the oil inlet port should not seep into the dust (after the completion of the construction, the quick joint part should be covered with a dust cap) to prevent damage to the cylinder and piston after entering the cylinder.
3. When replacing O-rings and other accessories, pay attention to the coincidence to ensure the sealing effect
Read recommendations:
AN31-48000 Hydraulic Torque Wrench
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