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Novel sealing device capable of achieving translation and rotation movement

A technology of sealing device and rotary motion, which is applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problem of not being able to realize the contact compound dynamic sealing method, and achieve the effect of satisfying the detection

Pending Publication Date: 2022-01-14
HENAN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Under the existing technical conditions, the contact seal between the seal and the sealed part can be realized in the form of rotary motion or linear reciprocating motion, but the contact compound dynamic seal under the condition of rotary motion and translation motion has not yet been realized. Way

Method used

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  • Novel sealing device capable of achieving translation and rotation movement

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Embodiment Construction

[0028] In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings that need to be used in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. As far as people are concerned, other embodiments can also be obtained according to these drawings on the premise of not paying creative work. In order to facilitate the understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] It should be noted that when an element is said to be "fixed" to another element, it can be directly on the other element, or there can be one or more intervening elements therebetween. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or one or more interv...

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Abstract

The invention provides a novel sealing device capable of achieving translation and rotation movement. The novel sealing device is characterized in that an X-Y numerical control workbench is fixedly connected with a numerical control rotary table; a translation / rotation shaft is fixedly mounted on the numerical control rotary table; a detection device is mounted on the translation / rotation shaft; a sealing device cover plate is fixedly arranged above a sealing device supporting seat; a tested workpiece is fixedly arranged above the sealing device cover plate; the tested workpiece, the sealing device cover plate and a translation / rotation disc form a negative pressure cavity; the sealing device supporting seat is provided with a second-order through hole; the translation / rotation disc is located in a large-diameter cylindrical hole; a carbon fiber packing is used for sealing between the translation / rotation disc and the bottom surface of the large-diameter cylindrical hole; the detection device is located in the negative pressure cavity; and o-shaped sealing rings are used for sealing between the sealing device cover plate and the tested workpiece, between the sealing device supporting seat and the sealing device cover plate, and between the translation / rotation disc and the translation / rotation shaft. According to the novel sealing device capable of achieving the translation and rotation movement, and the sealing requirement of the negative pressure cavity is met.

Description

technical field [0001] The invention belongs to the field of sealing structures, and in particular relates to a sealing device capable of translational and rotational movements. Background technique [0002] Seals can be generally divided into two types: static seals and dynamic seals, among which dynamic seals can be divided into two basic types: rotary seals and reciprocating seals according to the movement mode; There are two basic types of contact seal and non-contact seal. [0003] Under the existing technical conditions, the contact seal between the seal and the sealed part can be realized in the form of rotary motion or linear reciprocating motion, but the contact compound dynamic seal under the condition of rotary motion and translation motion has not yet been realized. Way. Now a certain detection equipment needs to solve the problem of measuring the workpiece with a detection device in an environment with a vacuum degree of about 0.5MPa, and during the measuremen...

Claims

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Application Information

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IPC IPC(8): F16J15/32
CPCF16J15/32
Inventor 朱登洁王宏晓
Owner HENAN UNIVERSITY OF TECHNOLOGY
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