Damping type corrugated pipe compensation moving ring component of mechanical sealing device and application

A technology of mechanical sealing device and bellows, which is applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of reduced service life, fatigue fracture of welded metal bellows, etc., so as to improve service life, reduce fracture problems, prolong The effect of service life

Inactive Publication Date: 2017-02-22
DANDONG COLOSSUS GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The obvious use defect of the welded metal bellows is that it will break, and part of the reason for the fracture of the welded metal bellows is that the welded metal bellows vibrates during work. When the vibration frequency is close to the natural vibration of the welded metal bellows When the frequency is high, resonance will occur, which will increase the fatigue fracture of the welded metal bellows and reduce the service life

Method used

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  • Damping type corrugated pipe compensation moving ring component of mechanical sealing device and application
  • Damping type corrugated pipe compensation moving ring component of mechanical sealing device and application
  • Damping type corrugated pipe compensation moving ring component of mechanical sealing device and application

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Embodiment Construction

[0017] The damping bellows compensation dynamic ring assembly of the mechanical seal device of the present invention includes a dynamic friction ring 1, a dynamic friction ring seat 2, a welded metal bellows 3, a tailstock 4, a transmission seat 5, a sealing ring 6, and a welded metal bellows 3. The front and rear ends are respectively welded with the dynamic friction ring seat 2 and the tailstock 4, and it is characterized in that the tailstock 4 is fixedly connected with a ring sleeve 8, the rear end 80 of the ring sleeve 8 is fixedly connected with the tailstock 4, and the ring sleeve 8 The front end 81 is an open end, and the front end 81 of the ring sleeve 8 extends to the front of the welded metal bellows 3, and a groove 84 is opened on the inner ring surface 82 of the front end 81 of the ring sleeve 8, and is fixedly connected in the groove 84. A damper 9 is installed, and the inner surface of the damper 9 contacts and cooperates with the outer ring surface of the welded...

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Abstract

The invention discloses a damping type corrugated pipe compensation moving ring component of a mechanical sealing device. The damping type corrugated pipe compensation moving ring component comprises a moving friction ring (1), a moving friction ring base (2), a welded metal corrugated pipe (3), a tailstock (4), a transmission seat (5) and a seal ring (6), and is characterized in that a ring housing (8) is fixedly connected to the tailstock (4); and a damper (9) is fixedly connected to an inner ring surface (82) at the front end (81) of the ring housing (8) and is in contact matching with an outer ring surface of the welded metal corrugated pipe (3) to achieve a damping effect on the welded metal corrugated pipe (3), thereby avoiding and lightening the problem that the welded metal corrugated pipe is fractured due to vibration, and prolonging the service life of mechanical sealing.

Description

technical field [0001] The invention relates to a mechanical seal device, in particular to a bellows compensating moving ring assembly of the mechanical seal device. [0002] technical background [0003] The mechanical seal device is composed of a pair of friction pairs perpendicular to the axial direction, an elastic compensation mechanism for closing the friction pairs, a transmission torque mechanism, and an auxiliary sealing ring, that is, a moving ring assembly and a static ring assembly. [0004] The compensation mechanism is set on the moving ring assembly and rotates with the shaft. It is a moving ring compensation type mechanical seal device, which is mostly used in occasions where the requirements for working conditions are not too high. [0005] The elastic compensation mechanism of the dynamic ring of the dynamic ring compensation type mechanical seal device is divided into a spring type compensation mechanism and a welded metal bellows compensation mechanism. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/18F16F15/04F16F15/08
CPCF16J15/18F16F15/04F16F15/08
Inventor 王慧滕朋徐毅许斌刘毅李昕原梅义宽周振华
Owner DANDONG COLOSSUS GROUP
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