Features and design solutions of Dewel hydraulic rotary joints
Hydraulic Rotary joints are used for hydraulic equipment, with good oil and gas effects, good sealing stability, long maintenance cycle and long service life.
The overall design of the joint is the overall positioning of its own performance parameters, life, reliability, etc. Before determining the overall plan, the rotary joint manufacturer must conduct sufficient and detailed market investigation and research.
The Hydraulic rotary joint produced by DEWEL is a rotary joint with a gap seal structure, which includes a shell and an outer tube arranged in the shell, which is characterized in that the outer pipe and the shell are sealed with a gap;
The front end and the rear end of the housing are respectively provided with an end cover and a tail cover, and the end cover and the tail cover are sleeved on the outer tube; the outer tube is installed on the Inside the shell
The outer pipe is provided with an oil inlet hole and an air inlet hole, and an outer circle of the casing is provided with an oil outlet hole and a leak hole.
The end cap and the outer tube are sealed by a first O-ring and a first skeleton oil seal; the tail cap and the outer tube are sealed by a second O-ring and a second skeleton oil seal. The inner surface of the casing is provided with an annular groove, and the annular groove communicates with the oil inlet hole and the oil outlet hole.
The casing is provided with a leakage through hole, and the two ports of the leakage through hole are respectively connected to the first deep groove ball bearing and the second deep groove ball bearing, and the leakage through hole is communicated with the leakage hole. The end of the outer tube is provided with a bolt connection structure, and the tail of the outer tube is provided with a flat seal high-speed rotary joint.
Multi-channel hydraulic rotary joint with gap sealing structure is a high-pressure high-speed hydraulic rotary joint with a special gap sealing structure for hydraulic equipment. It has good sealing performance and low leakage, which ensures the stability of the hydraulic system and improves the working efficiency of the equipment.