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High Reliability Of Hydraulic Coupling

Ningbo E.H Hydraulic Co.,Ltd | Updated: Nov 01, 2017

Hydraulic couplings work smoothly and reliably, can be in a wide range of stepless speed regulation, can be self-lubricating, can make the power machine load-free start-up. Power machine speed is equal to pump speed, transmission efficiency is 95---97%, when the pump speed is reduced to 25---30%, the transmission efficiency is 68---70%, in the automatic control of the pump station, stop the pump often due to the inertia of the pump group and the backflow of water in the tube to cause the action of the hammer. However, the use of this structure, Hydraulic Couplings the need to add another hydraulic coupling and its internal oil, if the use of hydraulic coupling, the earth can reduce the water hammer (or hydraulic pump) coupling cold oil equipment。

The hydraulic coupling includes the inner sleeve and the jacket of the coaxial bushing, and the inner cover of the inner sleeve is conical, the inner cone of the coat is provided with an oil groove, and the outer round surface of the coat is provided with an oil port connected with the oil trough, Hydraulic Couplings and an inner thread is arranged in the oil mouth, and the countersunk head plug is arranged inside the oil port of the inner thread, The top of the countersunk head plug is fitted with a sealing ring, wherein the outer end face of the sealing ring is located in the oil mouth. Effectively prevent the use of the process due to high-speed rotation of the shaft and the phenomenon of the countersunk head plug, Hydraulic Couplings in the deep sea use, but also to prevent the sea water along the oil port inside the threaded hole into the coupling inside, play the role of sealing, security hidden trouble, improve reliability.

The core parts of the hydraulic coupling are composed of coupling sleeve, shearing ring, safety pipe and pressure oil.

The hydraulic coupling is composed of double-layer sleeve, middle injection high-pressure oil after the outer sleeve expansion, depending on the friction and the hub locking, inner sleeve is compressed in the same shaft, the coupling can transfer and oil pressure proportional torque. Hydraulic Couplings When the passing torque exceeds the predetermined torque value, the coupling slips on the shaft, shear tube is cut short, the oil pressure will be in a few seconds of relaxation, while sealing the groove and shaft seal between the lubricating oil will soon spread to the shaft and the coupling, like the sliding bearing, Hydraulic Couplings the replacement of the new shear tube, the injection of high-pressure oil can continue to operate.

Hydraulic COUPLING

1, compact structure, small quality, small radial size, Hydraulic Couplings small moment of inertia, easy to connect with other transmission parts.

2, not affected by metal fatigue, can be a longer time to ensure that the limited transmission of the predetermined torque

3, can be more sensitive to the overload safety protection role.

4, through the control injection pressure oil pressure, in a large range adjustment of the transfer torque

5, the transmission is stable, can be buffered, damping, Hydraulic Couplings suitable for the positive and negative rotating conditions

6, easy to replace easily damaged parts, shorten the assistant working hours.

7, easy maintenance, low cost hydraulic coupling with other transmission components supporting the application, such as universal coupling, tooth type coupling, diaphragm coupling, elastic movable pin coupling, such as flexible couplings, and gears, Hydraulic Couplings shafts and other connections to transfer torque, and play the role of overload safety protection.


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Ningbo E.H Hydraulic Co.,Ltd