Hollow axial energy-saving hydrostatic bearing
A hydrostatic bearing, shaft type technology, applied in the direction of shaft and bearing, bearing, mechanical equipment, etc., can solve the problems of failure, low operation reliability, high operation energy consumption and use and maintenance cost, and achieves low energy consumption and uniform distribution. , the effect of low operating energy consumption and maintenance costs
Inactive Publication Date: 2015-06-10
KUNMING UNIV
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Problems solved by technology
[0002] The specifications of ball mills continue to increase, which puts forward higher requirements for the load-carrying capacity of hydrostatic bearings. The existing hydrostatic bearings have low operational reliability, frequent failures, high operating energy consumption and use and maintenance costs.
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[0015] see figure 1 , figure 2 , image 3 with Figure 4 As shown, the present invention is made up of bearing body 10, bearing housing 11, rotation limit plate 14, first pin shaft 15, second pin shaft 16, ball stud 17 and ball nut 18, bearing body 10 has oil Chamber 101, two cluster oil grooves 105, two single clevis 106, the oil chamber 101 is composed of a main oil chamber 102, two auxiliary oil chambers 103 and a supplementary oil chamber 104, the main oil chamber 102 is a three-row parallel multi The I-shaped oil chamber of the oil outlet hole 109, the two auxiliary oil chambers 103 are isosceles trapezoidal oil chambers that are symmetrically distributed in two rows with the main oil chamber 102 and are connected in parallel with multiple oil outlet holes 109, and the oil supply chamber 104 is a single row in series with double outlets. The rectangular oil chamber of the oil hole 109; the bearing body 10 has a plurality of horizontal oil inlet passages 107 and vertic...
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The invention discloses a hollow axial energy-saving hydrostatic bearing. The hydrostatic bearing comprises a bearing body, a bearing seat, a rotation limiting plate, a first pin shaft, a second pin shaft, a ball head bolt and a ball screw nut, wherein the bearing body is provided with a first oil cavity, two coherent oil channels and two single lugs, the oil cavity comprises a main oil cavity, two auxiliary oil cavities and an oil supplementing cavity, the main oil cavity is an I-shaped oil cavity with a plurality of oil outlets connected in parallel in three columns, the two auxiliary oil cavities are isosceles trapezoid oil cavities which are provided with a plurality of oil outlets connected in parallel in two columns and are symmetric with the main oil cavity, and the oil supplementing cavity is a rectangular oil cavity with double oil outlets connected in series in one column. The oil film pressure of the hydrostatic bearing disclosed by the invention is distributed uniformly along the axial direction, the oil film pressure nearby the lowest part of a journal is large, the oil film pressure is attenuated greatly along the peripheral direction of the journal from the peripheral edge of the main oil cavity, and energy consumption of a hydraulic power pack is small. The bearing is large in bearing capacity, large in ratio of strength to weight, convenient to assemble and disassemble, flexible in aligning function, capable of achieving complete full liquid lubrication of a lubricating oil film, and pretty low in running energy consumption and use and maintenance cost.
Description
technical field [0001] The invention relates to a static pressure bearing, in particular to a hollow shaft energy-saving static pressure bearing. Background technique [0002] The specifications of ball mills continue to increase, which puts forward higher requirements for the load-carrying capacity of hydrostatic bearings. The existing hydrostatic bearings have low operational reliability, frequent failures, high energy consumption and high maintenance costs. Contents of the invention [0003] The purpose of the present invention is to provide a hollow shaft energy-saving hydrostatic bearing. [0004] The present invention is composed of a bearing body, a bearing seat, a rotation limiting plate, a first pin shaft, a second pin shaft, a ball stud bolt and a ball nut. Earrings, the oil chamber is composed of a main oil chamber, two auxiliary oil chambers and a supplementary oil chamber. The main oil chamber is an I-shaped oil chamber with three parallel rows and multiple o...
Claims
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IPC IPC(8): F16C32/06
Inventor 孙中朝于向军
Owner KUNMING UNIV