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Dynamic pressure air suspension bearing protection device

A bearing protection device, air suspension technology, applied in sliding contact bearings, rotating bearings, bearings, etc., can solve problems such as large vibration and affecting the stability of the rotating shaft

Pending Publication Date: 2021-04-30
上海嵘熵动力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The air dynamic pressure bearing needs to be inflated into the bearing during use. If the bearing has air leakage or excessive vibration, it will easily affect the stability of the shaft.

Method used

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  • Dynamic pressure air suspension bearing protection device
  • Dynamic pressure air suspension bearing protection device
  • Dynamic pressure air suspension bearing protection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] see Figure 1-5 , a dynamic pressure air suspension bearing protection device, including an upper protective shell 1 and a lower protective shell 2 adapted to a bearing main body 23, the bearing main body 23 is sleeved outside the rotating shaft 3, the bearing main body 23 is adapted to the rotating shaft 3, and There is a gap 7 between the bearing main body 23 and the rotating shaft 3, the bearing main body 23 is provided with an air inlet 6, the air inlet 6 communicates with the gap 7, and the two sides of the air inlet 6 are arranged symmetrically with the gap 7. The connected air outlet 5 inflates air into the gap 7 through the air inlet 6, and then exhausts air through the air outlet 5, so that a layer of air film is formed between the bearing main body 23 and the rotating shaft 3, thereby reducing the friction when the rotating shaft 3 rotates Force, the upper protective shell 1 and the lower protective shell 2 cooperate to form a closed protective chamber 24, the...

Embodiment 2

[0032]In order to facilitate the installation of the protective device, this embodiment is further improved on the basis of Embodiment 1. The improvement is that: the bottom four corners of the bottom plate 10 are respectively provided with a mounting plate 14, and one end of the mounting plate 14 is provided with a long waist. The other end is provided with a support rod 15, one end of the support rod 15 is connected to the bottom plate 10, the other end is rotatably connected to the mounting plate 14, and the end that is rotatably connected to the mounting plate 14 is threadedly connected with an adjusting nut 16 The position between the mounting plate 14 and the support rod 15 can be fixed by tightening the adjusting nut 16, which is convenient for the staff to adjust the locking position of the mounting plate 14, thereby facilitating the installation of the protection device.

[0033] One end of the support rod 15 is threadedly connected with the bottom plate 10, and the po...

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Abstract

The invention relates to the technical field of dynamic pressure air suspension bearings, in particular to a dynamic pressure air suspension bearing protection device, which comprises an upper protective shell and a lower protective shell matched with a bearing body; the upper protective shell and the lower protective shell are matched to form a closed protective cavity, and the protective cavity is matched with the bearing body; a pressure sensor is further arranged on the upper protective shell; a plurality of flexible round pads are evenly distributed on the inner wall of the upper protective shell and the inner wall of the lower protective shell; and when the dynamic pressure air suspension bearing protection device is used, corresponding connecting blocks are fixed together through locking bolts, so that the bearing body is located in the protective cavity formed by the upper protective shell and the lower protective shell in a matched mode; and the bearing body is effectively protected against the influence of the external environment, the flexible round pads abut against the bearing body under the action of a buffer spring, vibration generated in the using process of the bearing body can be weakened, and the protection effect of the device is improved.

Description

technical field [0001] The invention relates to the technical field of dynamic pressure air suspension bearings, in particular to a protection device for dynamic pressure air suspension bearings. Background technique [0002] Aerodynamic pressure bearing is one of the sliding bearings. Its structure and working principle are similar to liquid sliding bearings. The difference is that gas (mostly air) is used as the lubricating medium. It can be used in high-speed machines, instruments or radioactive devices due to its wide temperature range and low load-carrying capacity. [0003] The air dynamic pressure bearing needs to be inflated into the bearing during use. If the bearing has air leakage or excessive vibration, it is easy to affect the stability of the shaft. Contents of the invention [0004] The purpose of the present invention is to provide a dynamic pressure air suspension bearing protection device to solve the problems raised in the above-mentioned background tec...

Claims

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Application Information

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IPC IPC(8): F16C17/12F16C27/02G01M3/26
CPCF16C17/12F16C27/02G01M3/26F16C2233/00
Inventor 彭军顾奚斌王荣奎
Owner 上海嵘熵动力科技有限公司
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