Unlock instant, AI-driven research and patent intelligence for your innovation.

End surface wave thrust hybrid bearing

A technology of hydrostatic bearing and end face, which is applied in the field of end-face wave-stop push hydrostatic bearing, can solve the problems of limited effect, unadjustable position and size, etc., and achieve the effect of improving vibration resistance and dynamic pressure bearing capacity.

Pending Publication Date: 2017-11-07
SHANDONG UNIV
View PDF7 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above are all naturally formed dynamic pressure effects, whose position and size cannot be adjusted, and can only form dynamic pressure at the outlet section of a part of the static pressure oil chamber, and the effect is very limited

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • End surface wave thrust hybrid bearing
  • End surface wave thrust hybrid bearing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] In a typical implementation of the present application, such as figure 1 As shown, a thrust hydrostatic bearing with end waves is provided, including a static shoe 1 and a moving shoe 2, the moving shoe 2 rotates with the rotating shaft 3, and several end waves are processed on the end surface of the static shoe 1, and each An annular static pressure oil chamber is provided at the valley bottom of the end surface wave, and an oil supply hole 4 is provided at the center of the oil chamber; the number of static pressure oil chambers opened is the same as the number of valleys of the end surface wave.

[0032] Furthermore, the shapes of multiple end-surface waves are exactly the same, and multiple end-surface waves are connected to form multiple complete waveforms. The number and amplitude of end-surface waves can also be designed according to needs to obtain a dynamic pressure bearing capacity that meets the requirements.

[0033] Further, a plurality of end surface waves...

Embodiment 2

[0036] In some working situations, the bearing only needs to rotate in one direction. Therefore, for applications that only need to rotate in one direction, the present invention sets the static pressure oil chamber in Embodiment 1 on the downhill section of the end surface wave. The number of oil cavities is the same as the number of troughs of the end surface wave; this can form a larger area of ​​oil film extrusion and improve the dynamic pressure bearing capacity. The rest of the features are the same as in the embodiment.

[0037] The lubricating oil enters the static pressure oil chamber from the oil supply hole, and the oil flowing out of the static pressure oil chamber, driven by the moving shoe, climbs uphill along the circumferential direction, causing extrusion and forming a dynamic pressure oil film; Therefore, when the moving tile rotates against the downhill direction, a larger area of ​​oil film extrusion can be formed to improve the dynamic pressure bearing cap...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an end surface wave thrust hybrid bearing. The end surface wave thrust hybrid bearing comprises a static tile and a dynamic tile; the dynamic tile rotates along with a rotating shaft; a plurality of end surface waves are machined on the end surface of the static tile; an annular static-pressure oil cavity is formed in the trough bottom section of each wave; an oil supply hole is formed in the center of each oil cavity; and the number of the formed static-pressure oil cavities is the same as the number of wave troughs of the end surface waves; and the static-pressure oil cavities can also be formed in the downhill sections of the end surface waves to form a one-way rotating hybrid bearing. According to the artificial hybrid thrust bearing, the size can be changed, in addition, the number and the positions of dynamic pressure regions can be freely set; and therefore the dynamic pressure bearing capacity can be effectively improved.

Description

technical field [0001] The invention relates to the field of static pressure technology in precision machinery, in particular to a static pressure bearing driven by end surface waves. Background technique [0002] Hydrostatic bearings are widely used in precision machinery, and are divided into radial hydrostatic bearings and thrust hydrostatic bearings according to the bearing direction. During the use of these two types of bearings, due to the influence of machining accuracy, installation errors and working conditions, they are not pure static pressure bearings, but accompanied by local dynamic pressure bearings, which are de facto dynamic and static pressure bearings. [0003] During the working process of the radial static pressure bearing, the eccentricity of the shaft and the bearing is inevitable, resulting in a wedge-shaped gap in a certain direction. When the rotating shaft drives the lubricating oil to flow from the big end to the small end, an extruded oil film is...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): F16C32/06
CPCF16C32/0629
Inventor 路长厚
Owner SHANDONG UNIV