Large-deflection self-adaptive seal for low-speed equipment

A self-adaptive sealing and equipment technology, applied in mechanical equipment, engine sealing, engine components, etc., can solve the problems of increasing equipment maintenance and overhaul costs, low equipment accuracy requirements and control, and affecting equipment performance, etc., to achieve rapid Installation, good versatility, safe and stable sealing effect

Active Publication Date: 2016-04-06
CHENGDU YITONG SEAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Since the mixing equipment with large shaft diameter and low speed has low requirements and control for equipment accuracy, when the equipment is working, the shaft will deflect to a certain extent during the rotation process, resulting in the commonly used dry gas seals, mechanical se

Method used

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  • Large-deflection self-adaptive seal for low-speed equipment
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  • Large-deflection self-adaptive seal for low-speed equipment

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] like figure 1 As shown, it is a large deflection adaptive seal for low-speed equipment, including a shaft sleeve 9, a sealing chamber 1, a connecting plate 6, and a static ring 4 and a moving ring 5 arranged in the sealing chamber 1. The shaft sleeve 9 wears Through the sealing chamber 1, the static ring 4 and the moving ring 5 are set on the shaft sleeve 9; the sealing chamber is a hollow shell structure. When installing, firstly put the seal on the rotating shaft 11 as a whole, and then fix the sealing chamber with bolts It is installed on the body of the equipment to realize the fixed installation of the sealed chamber.

[0026] The connecting plate 6 is fixedly connected with the shaft sleeve 9; when working, the connecting plate rotates together with the shaft sleeve, which requires a stable connection between the connecting plate and the shaft sleeve. Sp...

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Abstract

The invention discloses a large-deflection self-adaptive seal for low-speed equipment. The large-deflection self-adaption seal for the low-speed equipment comprises a shaft sleeve, a seal cavity, a connecting plate and a static ring and a moving ring which are arranged in a cavity body of the seal cavity; the shaft sleeve penetrates through the seal cavity, the static ring and the moving ring are arranged on the shaft sleeve in a sleeving mode, the connecting plate is fixedly connected with the shaft sleeve, and the moving ring is fixedly installed on the connecting plate; the static ring comprises a connecting end and a seal end which are connected by adopting a flexible structure, the static ring is fixedly connected with the seal cavity through the connecting end, a static ring seal ring is arranged between the seal end and the shaft sleeve, and the seal end is provided with an arc-shaped seal end face; the moving ring is provided with an arc-shaped seal end face matched with the seal end of the static ring, the static ring and the moving ring are cooperatively connected through the seal end faces, the seal end of the static ring is provided with a jacking mechanism, and the jacking mechanism applies jacking force to the seal end to enable the seal end face of the static ring and the seal end face of the moving ring to be closely matched. The seal adopts arrangement of the arc-shaped seal end faces and the flexible connecting structure and solves the leakage problem caused by rotating shaft eccentricity.

Description

technical field [0001] The invention relates to the technical field of mechanical seals, in particular to a large deflection self-adaptive seal for large shaft diameter low-speed stirring equipment. Background technique [0002] Since the mixing equipment with large shaft diameter and low speed has low requirements and control for equipment accuracy, when the equipment is working, the shaft will deflect to a certain extent during the rotation process, resulting in the commonly used dry gas seals, mechanical seals and other sealing products. It is difficult to use this type of equipment normally, and there are problems of leakage and wear of the rotating shaft during the working process of the equipment, which seriously affects the performance of the equipment and increases the maintenance and repair costs of the equipment. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned technical problems in the sealing of stirring eq...

Claims

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Application Information

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IPC IPC(8): F16J15/34
CPCF16J15/34
Inventor 李伟赵飞虎唐大全包鑫李可亮
Owner CHENGDU YITONG SEAL
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