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Vertical non-contact sealing device

A sealing device, non-contact technology, applied in the direction of engine sealing, transmission parts, engine components, etc., can solve the problems of easy formation of negative pressure, oil leakage at the output end, etc., and achieve oil leakage, multiple oil return points, and structure simple effect

Pending Publication Date: 2019-06-21
HARBIN GUANGHAN POWER TRANSMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The output end of a bevel gearbox on an aviation casing test bench is a vertical high-speed shaft, the maximum speed of which exceeds 2000r / min, and is connected to the input end of the casing through a gear coupling; when the shaft rotates at high speed, the shaft and coupling Negative pressure is easy to form in the space formed by the device and the box, causing oil leakage at the output end

Method used

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Embodiment 1

[0018] refer to figure 1 , a vertical non-contact sealing device, including a transfer mechanism 1, and also includes a first oil throwing ring 2, a second oil throwing ring 3 capable of leaking oil, an oil throwing ring 4 capable of leaking oil, and a Oil ring positioning sleeve 5 for oil ring positioning and high-speed output end pressure plate 6; the first oil throwing ring 2 is installed on the vertical output shaft of the adapter mechanism 1, and the second oil throwing ring 3 is installed on the first Under the oil throwing ring 2, the oil throwing ring 4 is installed under the second oil throwing ring 3, the oil throwing ring positioning sleeve 5 is installed under the oil throwing ring 4, and the high-speed output end pressure plate 6 is installed on the oil throwing ring 4 below; the inner ring of the second oil throwing ring 3 is provided with an annular sealing groove 11, and the outer ring is provided with an O-ring ring groove 8, and the middle part of the inner r...

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Abstract

The invention relates to a sealing device, in particular to a vertical non-contact sealing device. The vertical non-contact sealing device comprises an adapter mechanism, and further comprises a firstoil throwing ring, a second oil throwing ring capable of oil leakage and oil throwing, an oil baffle ring capable of leaking oil, an oil throwing ring positioning sleeve used for positioning the oilthrowing ring and a high-speed output end pressing plate; the first oil throwing ring is arranged on a vertical output shaft of the adapter mechanism, the second oil throwing ring is arranged below the first oil throwing ring, the oil baffle ring is arranged below the second oil throwing ring, the oil throwing ring positioning sleeve is arranged below the oil baffle ring, and the high-speed outputend pressing plate is arranged below the oil baffle ring. The vertical non-contact type sealing structure composed of the three oil baffle structures can realize sealing of the high-speed output end,the structure is simple, the oil returning points is more, the oil returning area is large, oil leakage is not easy, and the oil returning device can be used for sealing a high-rotating-speed shaft system.

Description

[0001] Technical field: [0002] The invention relates to a sealing device, in particular to a vertical non-contact sealing device. [0003] Background technique: [0004] The output end of a bevel gearbox on an aviation casing test bench is a vertical high-speed shaft, the maximum speed of which exceeds 2000r / min, and is connected to the input end of the casing through a gear coupling; when the shaft rotates at high speed, the shaft and coupling Negative pressure is easily formed in the space formed by the device and the box, causing oil leakage at the output end. Therefore, it is very necessary to design a vertical non-contact sealing device for the high-speed output shaft end. [0005] Invention content: [0006] The purpose of the present invention is to provide a vertical non-contact sealing device for high-speed output shaft end, which solves the problem of oil leakage at the vertical output end of the gearbox. The sealing structure can realize the sealing of the high-...

Claims

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Application Information

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IPC IPC(8): F16H57/029F16J15/16
Inventor 赵宇杨建美祁中宽王奂钧盛贵宾
Owner HARBIN GUANGHAN POWER TRANSMISSION
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