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A Radial Bearing with Electromagnetic-Static Double Support

A radial bearing and static pressure technology, applied in bearings, shafts and bearings, mechanical equipment, etc., can solve the problems of low load capacity, small torque, wide temperature range, etc., to increase load capacity and stiffness, relieve design restrictions, The effect of improving adjustment ability and precision

Active Publication Date: 2018-12-07
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its advantages are small torque, good for high-speed rotation, can be used in vacuum, wide range of applicable temperature, low noise, long life, no pollution caused by lubrication, etc.; disadvantages are high cost and relatively low carrying capacity

Method used

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  • A Radial Bearing with Electromagnetic-Static Double Support
  • A Radial Bearing with Electromagnetic-Static Double Support
  • A Radial Bearing with Electromagnetic-Static Double Support

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Embodiment Construction

[0017] exist figure 1 , figure 2 , image 3 with Figure 4 In the schematic diagram of the electromagnetic-hydrostatic double-supported radial bearing shown, the middle part of the top surface of the bearing base 4 is provided with a semi-cylindrical upper opening groove with two ends on the two parallel facades of the bearing base, and the middle part of the upper opening groove is set There is an oil inlet groove A22 in the middle, which is a half-interrupted and downwardly recessed strip groove on both sides. Each groove is provided with an oil inlet hole B23, which is connected to the oil inlet hole D12 through the internal oil circuit of the bearing base. , the end of the oil inlet hole located outside the base is provided with a joint A5. In the middle part of the upper opening groove, there is also an overall downward recessed groove parallel to the oil inlet groove, that is, the oil return groove A21. The bearing base is provided with screw holes 11, which corresp...

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Abstract

Provided is an electromagnetism-static pressure double suspension supporting transverse bearing. A hydrostatic pressure supporting system of the electromagnetism-static pressure double suspension supporting transverse bearing comprises a rotor shaft, a bearing base, a bearing upper cover and a stator. The stator is arranged in the bearing upper cover and the bearing base, and the outer circumferential surface of the stator corresponds to the bearing upper cover and the bearing base. Eight poles which are evenly distributed in the radial direction are arranged on the circumference surface in the stator. The length of the circumference direction cambered surface of the centripetal free end surface of each pole is larger than the length of the cambered surface of the other section of the pole, and the space between the centripetal free end surfaces of every two adjacent poles is larger than or equal to the thickness of enameled wire rings. A static pressure supporting cavity is arranged on the centripetal free end surface of each pole. A radial oil inlet hole A is formed in the end surface of the middle of each groove. A radial oil returning hole A is formed in the base body between every two poles. The centripetal free end surfaces of the eight poles are connected with the rotor shaft through concentrating flux sleeves. Each pole of the stator is sleeved with one enameled wire ring. The eight poles are distributed by adopting an NSSNNSSN way. According to the electromagnetism-static pressure double suspension supporting transverse bearing, the bearing capacity and the rigidity of the bearing can be improved substantially, and the adjusting capacity and the precision of the bearing system can be improved.

Description

technical field [0001] The invention relates to a sliding bearing. Background technique [0002] Hydrostatic bearings have the advantages of good radial stiffness, high positioning accuracy, and good vibration resistance, so they have been widely valued and widely used. With the development of the global industry, but in the occasion of high power, heavy load and high speed operation, the friction power of the hydrostatic bearing is very large, and it is easy to cause the bearing to have a large thermal deformation due to excessive temperature. The so-called magnetic bearing is a bearing that uses magnetic attraction and repulsion to support the rotation, also called magnetic suspension bearing. Its advantages are small torque, good for high-speed rotation, can be used in vacuum, wide applicable temperature range, low noise, long life, no pollution caused by lubrication, etc.; disadvantages are high cost and relatively low carrying capacity. Contents of the invention [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C32/04
CPCF16C32/0402
Inventor 赵建华杜东源张斌王强陈涛刘竟成高殿荣
Owner YANSHAN UNIV
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