High-pressure high-rotation speed rotary connector
A rotary joint, high-speed technology, applied in the direction of pipes/pipe joints/fittings, adjustable connections, passing components, etc., can solve problems such as speed increase, manufacturing, assembly, maintenance difficulty, etc., to reduce costs and ensure coaxiality. , the effect of simple structure
Active Publication Date: 2010-06-09
TENGXUAN TECH
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Problems solved by technology
The commonly used high-pressure rotary joint housing mainly adopts an integral structure, which has certain difficulties in manufacturing, assembly and maintenance
In addition, the original structure limits the increase of the rotational speed under high pressure
Method used
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Embodiment Construction
[0008] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0009] As shown in the figure: the high-pressure, high-speed rotary joint of the present invention is mainly composed of a tail cover 1, a first O-ring 2, a PTFE gasket 3, a static ring seat 4, a spring positioning plate 5, a compensation spring 6, and a fixing screw 7 , elastic cylindrical pin 8, first wear-resistant sealing ring 9, housing 10, oil nozzle 11, wave spring pad 12, flat washer 13, shaft retaining ring 14, inner bearing 15, spacer sleeve 16, outer bearing 17, for hole The retaining ring 18, the rotating outer tube 19, the second O-ring 20 and the second wear-resistant sealing ring 21 are composed of.
[0010] In the present invention, a tail cap 1 is connected to one end of the axially hollow casing 10, and a liquid inlet channel is opened in the tail cap 1, and a rotating outer tube 19 is connected to the axial inner hole of the casing 10, and th...
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The invention relates to a high-pressure and high rotating speed rotary joint; a tailhood is connected with one end part of an axial hollow shell; an axial inner hole of the shell is internally connected with a rotary outer tube in a rotating way; the outer wall of the rotary outer tube which extends in the shell is connected with an inner bearing and an outer bearing in a sleeve way, which are arranged at an interval; an oil nozzle is arranged on the shell; the rotary outer tube is connected in the shell in a rotating way; an separation sheath is arranged between the inner bearing and the side wall of the outer bearing; a retaining ring used for a hole is arranged an the inner wall of the shell; a static ring seat is arranged in the tailhood; the inner end part of the static ring seat andthe inner end part of the rotary outer tube are arranged at the interval; a first wear resistant sealing ring and a second wear resistant sealing ring with the end surfaces support each other, are arranged between the static ring seat and the inner end part of the rotary outer tube; the first wear resistant sealing ring is arranged on the inner step of the static ring seat while the second wear resistant sealing ring is arranged on the inner step of the rotary outer tube; and the elastic compensation devices of the first wear resistant sealing ring and the second wear resistant sealing ring are arranged between the tailhood and the shell. The rotary joint not only can work under high pressure, but also can work under high speed and can greatly prolong the service life; and the sealing parts thereof are not leaked.
Description
technical field [0001] The invention relates to a high-pressure, high-rotational rotary joint, in particular to a connecting sealing component for fluid medium input from a static pipeline to a high-speed rotating shaft in a machine tool or equipment, and belongs to the technical field of mechanical seals. Background technique [0002] The rotary joint is the connecting sealing part for the fluid medium (oil, water, gas, etc.) input from the stationary pipeline to the rotating shaft in the equipment. The commonly used high-pressure rotary joint housing mainly adopts an integral structure, which has certain difficulties in manufacturing, assembly and maintenance. In addition, the original structure limits the increase of the rotational speed under high pressure conditions. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a high-pressure, high-rotational rotary joint that can work under hig...
Claims
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IPC IPC(8): F16L27/08
Inventor 李继锁沈元坤周存华
Owner TENGXUAN TECH