Ultrahigh-pressure omnidirectional dynamic joint

An ultra-high pressure and dynamic technology, applied in the direction of pipes/pipe joints/pipes, adjustable connections, passing elements, etc., it can solve the problems affecting the cutting effect of the cutting head displacement, and achieve the effect of flexible rotation, reliable structure and long service life.

Inactive Publication Date: 2009-10-21
沈阳奥拓福高压水射流技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the water pipe is in a high-pressure environment, it is necessary to use a pressure-resistant metal pipe. Although such a pipe can withstand high pressure, the pipe i

Method used

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Examples

Experimental program
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Embodiment Construction

[0009] The ultra-high pressure 360° dynamic joint includes a rotary valve body 1 and a rotary shaft assembly 2. The rotary valve body 1 has an angular structure, and there are communication holes 11 in the cavities at both ends. The rotary shaft 8 in the rotary shaft assembly 2 has a through hole 15. The front end of the rotary shaft 8 is fitted with an O-ring 14, a bearing housing 7, Gasket 13, guide ring 12, pressure ring 9, O-ring 10. The rear end of the rotating shaft 8 is sleeved with a bearing 6 and a lock nut 5 to form the rotating shaft assembly 2 . A series of parts constituting the rotating shaft assembly 2 are pressed into the cavity of the rotating valve body 1 with the lock nut 5, and are connected with the internal thread of the rotating valve body 1 to fix the set parts thereof. The screw plug 4 and the screw sleeve 3 are connected to the external pipeline to form an ultra-high pressure 360° dynamic joint.

[0010] After the dynamic joint bears the fluid press...

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Abstract

The invention relates to an ultrahigh-pressure omnidirectional dynamic joint which comprises a rotating valve body and a rotating shaft assembly. The rotating valve body is in an angular structure, and hollow cavities at both ends are respectively provided with communication holes; a rotating shaft in the rotating shaft assembly is provided with through holes; the front end of the rotating shaft is sleeved by an O-shaped ring, a bearing shell, a gasket, a guide ring, a pressure ring and another O-shaped ring, and the rear end of the rotating shaft is sleeved by a bearing and a locking nut to form the rotating shaft assembly; a series of parts forming the rotating shaft assembly are pressed in the hollow cavities of the rotating valve body by the locking nut which is connected with the inside thread of the rotating valve body so as to fix the sleeved parts, and a threaded plug and a threaded sleeve is connected with an external pipeline to form the ultrahigh-pressure omnidirectional dynamic joint. The invention achieves the ultrahigh pressure sealing effect over 300 MPa under an omnidirectional dynamic rotating condition, can randomly adjust a rotating angle and has the advantages of flexible rotation, reliable structure and long service life.

Description

technical field [0001] The invention relates to a joint connected to a liquid pipeline, and is mainly used in the pipeline connection of an ultra-high pressure water cutting machine. It can be rotated at any angle on two mutually perpendicular axes to ensure that the fluid delivered above 300Mpa does not leak and is a flexible ultra-high pressure 360° dynamic joint. Background technique [0002] During the cutting process of the water jet formed by the cutting head of the ultra-high pressure water cutting machine, the position of the cutting head is always displaced, and the water pipe connected to the cutting head also moves accordingly. Because the water pipe is in a high-pressure environment, it is necessary to use a pressure-resistant metal pipe. Although such a pipe can withstand high pressure, the pipe itself is very rigid and produces a reaction force on the displacement of the cutting head, affecting the displacement of the cutting head and the final result. cutting...

Claims

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Application Information

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IPC IPC(8): F16L27/08
Inventor 武子全孟志成张贺
Owner 沈阳奥拓福高压水射流技术有限公司
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