A Bidirectional Floating Pressing Mechanism for Reducing Friction of Moving Turbine Disc
A technology of floating compaction and turbine discs, which is applied in the field of compressors, can solve the problems of large volume and high friction, and achieve the effects of solving space layout, increasing service life and reducing noise
Active Publication Date: 2022-07-26
南京迪升动力科技有限公司
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[0003] According to the Japanese patent floating and pressing patent JPH0378586A, it is known that the floating block of this product is one-way floating, the hard contact between the floating block and the moving plate, the friction force is large, and the floating block is a whole ring, in the vortex of the eccentric pin structure The compressor will either interfere with the eccentric pin or the counterweight. If the interference is avoided, the eccentric pin and the counterweight will be bypassed, which will cause the overall volume to be too large
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[0027] In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings, in which several embodiments of the present invention are given, but the present invention can be implemented in different forms and is not limited to the description in the text rather, these embodiments are provided so that this disclosure will be thorough and complete.
[0028] It should be noted that when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it may be The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for the purpose of illustration only.
[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated by one of ordina...
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The invention provides a two-way floating and pressing mechanism for reducing the friction of a moving turbine disk, which comprises a cylindrical main bearing seat, one end of the main bearing seat is connected with a compression part, and the inner part of the main bearing seat is provided with a pressing part and a floating The main bearing seat is internally connected with a main rotating shaft, the inner wall of the main bearing seat is provided with a first high-pressure gas channel, the compression part includes a moving turbine disk, and the end of the moving turbine disk away from the main rotating shaft is coupled with a static turbine disk, A high-pressure exhaust port is opened at the central axis of the radial plane of the static turbine disk, a low-pressure suction port is opened on the outer peripheral surface of the static turbine disk, a second high-pressure gas channel is fixed on the outer peripheral surface of the static turbine disk, and the pressing part includes a gap. , the inner sliding connection of the gap has a floating block. The invention optimizes the problem that the compressor's efficiency is affected by the increase of the compressor's discharge pressure by the moving turbine disk being in a floating balance state in the axial direction under the action of the left and right gas forces.
Description
technical field [0001] The invention mainly relates to the technical field of compressors, in particular to a bidirectional floating and pressing mechanism for reducing friction of a moving turbine disk. Background technique [0002] A scroll compressor is a compressible volume device consisting of a fixed involute turbine disk and an involute moving turbine disk that is eccentrically swirling and translating. [0003] According to the Japanese patent floating and pressing patent JPH0378586A, the floating block of this product is one-way floating, the friction between the floating block and the moving plate is hard, and the friction force is large, and the floating block is a whole ring, in the eccentric pin structure scroll The compressor will either interfere with the eccentric pin or the counterweight. If the interference is avoided, the eccentric pin and the counterweight will be bypassed, which will cause the whole machine to be too large. SUMMARY OF THE INVENTION ...
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IPC IPC(8): F04C18/02F04C27/00F04C29/06F04C29/00
CPCF04C18/0215F04C27/001F04C29/0021F04C29/06F04C29/00
Inventor 钱永贵王飞
Owner 南京迪升动力科技有限公司