CN103233978A - Hollow shaft type energy-saving static pressure bearing - Google Patents
Hollow shaft type energy-saving static pressure bearing Download PDFInfo
- Publication number
- CN103233978A CN103233978A CN2013101531520A CN201310153152A CN103233978A CN 103233978 A CN103233978 A CN 103233978A CN 2013101531520 A CN2013101531520 A CN 2013101531520A CN 201310153152 A CN201310153152 A CN 201310153152A CN 103233978 A CN103233978 A CN 103233978A
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- oil
- bearing support
- bearing
- rotary spacing
- cavity
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- 230000003068 static effect Effects 0.000 title abstract 3
- 230000002706 hydrostatic effect Effects 0.000 claims description 9
- 210000005069 ears Anatomy 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 abstract 16
- 239000013589 supplement Substances 0.000 abstract 2
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a hollow shaft type energy-saving static pressure bearing which comprises a bearing body, a bearing seat, a first axial positioning plate, a second axial positioning plate, a rotary limiting plate, a first pin shaft, a second pin shaft, a ball head bolt and a ball head nut, wherein an oil cavity, two cluster oil grooves and two single ear rings are arranged on the bearing body; the oil cavity comprises a main oil cavity, two auxiliary oil cavities and an oil supplement cavity; the main oil cavity is an I-shaped oil cavity with three columns of parallel oil outlets; the two auxiliary oil cavities are isosceles trapezoid oil cavities symmetrically distributed relative to the main oil cavity and provided with two columns of parallel oil outlets; the oil supplement cavity is a rectangular oil cavity with a single column of serial double oil outlets; and the first axial positioning plate and the second axial positioning plate are fixed to the two end surfaces of the bearing body so as to achieve axial positioning of a rotary body. The energy-saving static pressure bearing can achieve complete full-liquid lubrication of a lubricating oil film and is low in running energy consumption and use maintenance expense.
Description
Technical field
The present invention relates to a kind of hydrostatic bearing, particularly the energy-conservation hydrostatic bearing of a kind of hollow shaft type.
Background technique
The specification of pebble mill constantly increases, and the bearing capacity of hydrostatic bearing has been proposed requirements at the higher level, existing hydrostatic bearing, and operational reliability is lower, and fault happens occasionally, and operation energy consumption and working service cost are higher.
Summary of the invention
The purpose of this invention is to provide the energy-conservation hydrostatic bearing of a kind of hollow shaft type.
The present invention is by bearing support, bearing support, the first axially locating plate, the second axially locating plate, the rotary spacing plate, first bearing pin, second bearing pin, ball stud and bulb nut are formed, has oil pocket on the bearing support, article two, boundling oil duct and two monaural rings, oil pocket is by a main oil pocket, two auxiliary oil pockets and a repairing chamber constitute, main oil pocket is the I shape oil pocket of three row a plurality of oil outlets in parallel, two auxiliary oil pockets are the isosceles trapezoid oil pockets that are listed as a plurality of oil outlets in parallel with two of main oil pocket symmetrical distribution, the repairing chamber is the rectangle oil pocket of the two oil outlets of single-row series connection, have many horizontal oil input channels and vertical oil input channel on the bearing support, whenever list oilhole and be communicated with vertical oil input channel by horizontal oil input channel; On the bearing support both sides of first axis pin base have the bearing support orthostatism fixedly limiting board and bearing support maximum inclination position fixedly limiting board, be used for the anchor bearing body two monaural rings, be used for the ears ring of hinged rotary spacing plate, first bearing pin is arranged in two the monaural rings and the first axis pin base hole on two monaural rings on the bearing support and the bearing support, forms that hinge is connected between bearing support and bearing support; Second bearing pin is arranged in the ears ring and rotary spacing plate hole on the bearing support, form that hinge is connected between rotary spacing plate and bearing support, the alignment bearing body, ball stud is arranged in the fixing spacing plate hole of rotary spacing plate, bearing support and bearing support orthostatism, tighten the bulb nut, make bearing support be in erectility, the sphere of ball stud and bulb nut contacts with fixing limiting board bolt hole sphere with the rotary spacing plate respectively; Unscrew the state that bulb nut to bearing support is in inclination maximum, the sphere of ball stud, bulb nut contacts with fixing limiting board bolt hole sphere with the rotary spacing plate respectively; The first axially locating plate and the second axially locating plate are fixed on respectively by set screws on two end faces of bearing support, constitute the axially locating of solid of rotation.
Beneficial effect of the present invention: the present invention can make oil film pressure evenly distribution vertically, near the oil film pressure of axle journal lowest part of hydrostatic bearing big, from main oil pocket circumferential edge, bigger along the circumferential oil film pressure decay of axle journal, the energy consumption of hydraulic power unit is little, and the bearing capacity of bearing is big; The ratio of strength to weight of bearing is big, and mounting or dismounting are convenient, have aligning function flexibly, can realize the full liquid lubrication that lubricant film is complete, and operation energy consumption and use and maintenance cost are low.
Description of drawings
Fig. 1 is schematic perspective view of the present invention.
Fig. 2 is plan view of the present invention.
Fig. 3 is left view of the present invention.
Fig. 4 is plan view of the present invention.
Fig. 5 is perspective exploded view of the present invention.
Fig. 6 is three-dimensional cutaway view schematic representation of the present invention.
Fig. 7 is the schematic representation of the present invention when being erectility.
Fig. 8 be the present invention when being erectility ball stud and the position view of bulb nut.
Fig. 9 is the schematic representation of the present invention when inclined.
Figure 10 be the present invention when inclined ball stud and the position view of bulb nut.
Embodiment
See also Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, the present invention is by bearing support 10, bearing support 11, the first axially locating plate 12, the second axially locating plate 13, rotary spacing plate 14, first bearing pin 15, second bearing pin 16, ball stud 17 and bulb nut 18 are formed, has oil pocket 101 on the bearing support 10, article two, boundling oil duct 105, two monaural rings 106, oil pocket 101 is by a main oil pocket 102, two auxiliary oil pockets 103 and a repairing chamber 104 constitute, main oil pocket 102 is I shape oil pockets of three row a plurality of oil outlets 109 in parallel, two auxiliary oil pockets 103 are the isosceles trapezoid oil pockets that are listed as a plurality of oil outlets 109 in parallel with two of main oil pocket 102 symmetrical distributions, repairing chamber 104 is rectangle oil pockets of the two oil outlets 109 of single-row series connection, have many horizontal oil input channels 107 and vertical oil input channel 108 on the bearing support 10, whenever list oilhole 109 and be communicated with vertical oil input channel 108 by horizontal oil input channel 107, as shown in Figure 6; On the bearing support 11 both sides of first axis pin base 114 have the bearing support orthostatism fixedly limiting board 111 and bearing support maximum inclination position fixedly limiting board 112, be used for anchor bearing body 10 two monaural rings 113, be used for the ears ring 115 of hinged rotary spacing plate, first bearing pin 15 is arranged in two the monaural rings 106 and first axis pin base, 114 holes on two monaural rings 113 on the bearing support 11, the bearing support 10, forms 11 hinges of bearing support 10 and bearing support and is connected; Second bearing pin 16 is arranged in the ears ring 115 and rotary spacing plate 14 holes on the bearing support 11, forming rotary spacing plate 14 is connected with 11 hinges of bearing support, alignment bearing body 10, ball stud 17 is arranged in rotary spacing plate 14, bearing support 10 and bearing support orthostatism fixedly in limiting board 111 holes, tighten bulb nut 18, make bearing support 10 be in erectility, the sphere of ball stud 17, bulb nut 18 contacts with fixing limiting board 112 bolt hole spheres with rotary spacing plate 14 respectively, as shown in Figure 7 and Figure 8; Unscrew the state that bulb nut 18 to bearing support 10 is in inclination maximum, the sphere of ball stud 17 and bulb nut 18 contacts with fixing limiting board 112 bolt hole spheres with rotary spacing plate 14 respectively, as Fig. 9 and shown in Figure 10; The first axially locating plate 12 and the second axially locating plate 13 are fixed on respectively by set screws on two end faces of bearing support 10, constitute the axially locating of solid of rotation.
Working procedure of the present invention is:
The high pressure oil of hydraulic power unit, through the parallel multiplex oil pipe, a plurality of oil outlets by main oil pocket 102 and auxiliary oil pocket 103 are pressed on neck of hollow shaft and the bearing support 10 between inner cylindrical surface, solid of rotation is floated, form complete lubricant film, pebble mill is fully loaded to be started when reaching normal the operation, the axle journal of quill shaft screws in the lubricant film attenuate of bearing support 10 1 sides, even it is imperfect lubricant film to occur, two oilholes of the low pressure oil of hydraulic power unit 104 series connection through the repairing chamber at this moment flow out, and guarantee that lubricant film is complete; The rotation angle of bearing support 10 can be by rotary spacing plate 14 by 18 controls of bulb nut, unscrew bulb nut 18 rotary spacing plates 14 and can change a small angle by relative second bearing pin 16, the hard-over of bearing support 10 is by fixedly limiting board 112 restrictions of rotary spacing plate 14 hard-overs, bearing support 10 just can freely rotate in the angle of rotary spacing plate 14 restrictions, to realize the effect of hydrostatic bearing aligning.
Claims (1)
1. energy-conservation hydrostatic bearing of hollow shaft type, it is characterized in that: be by bearing support (10), bearing support (11), the first axially locating plate (12), the second axially locating plate (13), rotary spacing plate (14), first bearing pin (15), second bearing pin (16), ball stud (17) and bulb nut (18) are formed, has oil pocket (101) on the bearing support (10), article two, boundling oil duct (105) and two monaural rings (106), oil pocket (101) is by a main oil pocket (102), two auxiliary oil pockets (103) and a repairing chamber (104) constitute, main oil pocket (102) is the I shape oil pocket of three row a plurality of oil outlets in parallel (109), two auxiliary oil pockets (103) are the isosceles trapezoid oil pockets that is listed as a plurality of oil outlets in parallel (109) with two of main oil pocket (102) symmetrical distribution, and repairing chamber (104) are the rectangle oil pockets of the two oil outlets (109) of single-row series connection; Have many horizontal oil input channels (107) and vertical oil input channel (108) on the bearing support (10), whenever list oilhole (109) and be communicated with vertical oil input channel (108) by horizontal oil input channel (107);
The both sides of last first axis pin base of bearing support (11) (114) have the bearing support orthostatism fixedly limiting board (111) and bearing support maximum inclination position fixedly limiting board (112), be used for two monaural rings (113) of anchor bearing body (10) and be used for the ears ring (115) of hinged rotary spacing plate, first bearing pin (15) is arranged in two monaural rings (113), two the monaural rings (106) on the bearing support (10) and first axis pin base (114) hole on the bearing support (11), forms that hinge is connected between bearing support (10) and bearing support (11); Second bearing pin (16) is arranged in the ears ring (115) and rotary spacing plate 14 holes on the bearing support (11), form that hinge is connected between rotary spacing plate (14) and bearing support (11), alignment bearing body (10), ball stud (17) is arranged in rotary spacing plate (14), bearing support (10) and bearing support orthostatism are fixedly in limiting board (111) hole, tighten bulb nut (18), make bearing support (10) be in erectility, the sphere of ball stud (17) and bulb nut (18) contacts with fixing limiting board (112) bolt hole sphere with rotary spacing plate (14) respectively; Unscrew the state that bulb nut (18) to bearing support (10) is in inclination maximum, the sphere of ball stud (17) and bulb nut (18) contacts with fixing limiting board (112) bolt hole sphere with rotary spacing plate (14) respectively; The first axially locating plate (12) and the second axially locating plate (13) are fixed on respectively by set screws on two end faces of bearing support (10), constitute the axially locating of solid of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153152.0A CN103233978B (en) | 2013-04-28 | 2013-04-28 | Hollow shaft type energy-saving static pressure bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153152.0A CN103233978B (en) | 2013-04-28 | 2013-04-28 | Hollow shaft type energy-saving static pressure bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103233978A true CN103233978A (en) | 2013-08-07 |
| CN103233978B CN103233978B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310153152.0A Expired - Fee Related CN103233978B (en) | 2013-04-28 | 2013-04-28 | Hollow shaft type energy-saving static pressure bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103233978B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533955A (en) * | 2015-01-13 | 2015-04-22 | 江南大学 | Water lubrication tilting pad static-pressure bearing structure cooled through water returning grooves |
| CN108474413A (en) * | 2015-12-03 | 2018-08-31 | 浮林德-格拉芬斯塔登有限公司 | Hydrodynamic bearing |
| WO2020224614A1 (en) * | 2019-05-07 | 2020-11-12 | 哈尔滨工业大学 | Split-type adjustable-swing-angle aerostatic bearing device for static balancing of rotor, and gas-flotation support device for static balancing of rotating ring-shaped part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3552807A (en) * | 1968-08-09 | 1971-01-05 | Marconi Co Ltd | Bearings |
| US3960417A (en) * | 1975-06-16 | 1976-06-01 | Excelermatic, Inc. | Hydrostatic axial thrust bearing |
| CN2302848Y (en) * | 1997-05-08 | 1999-01-06 | 李宪章 | High-efficiency, energy-saving and drum-shaped milling machine |
| CN201053451Y (en) * | 2007-06-15 | 2008-04-30 | 辽宁科技大学 | Double static pressure ball grinder main bearing |
| CN203202030U (en) * | 2013-04-28 | 2013-09-18 | 昆明学院 | Hollow shaft type energy-saving hydrostatic bearing |
-
2013
- 2013-04-28 CN CN201310153152.0A patent/CN103233978B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3552807A (en) * | 1968-08-09 | 1971-01-05 | Marconi Co Ltd | Bearings |
| US3960417A (en) * | 1975-06-16 | 1976-06-01 | Excelermatic, Inc. | Hydrostatic axial thrust bearing |
| CN2302848Y (en) * | 1997-05-08 | 1999-01-06 | 李宪章 | High-efficiency, energy-saving and drum-shaped milling machine |
| CN201053451Y (en) * | 2007-06-15 | 2008-04-30 | 辽宁科技大学 | Double static pressure ball grinder main bearing |
| CN203202030U (en) * | 2013-04-28 | 2013-09-18 | 昆明学院 | Hollow shaft type energy-saving hydrostatic bearing |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533955A (en) * | 2015-01-13 | 2015-04-22 | 江南大学 | Water lubrication tilting pad static-pressure bearing structure cooled through water returning grooves |
| CN108474413A (en) * | 2015-12-03 | 2018-08-31 | 浮林德-格拉芬斯塔登有限公司 | Hydrodynamic bearing |
| US10443651B2 (en) | 2015-12-03 | 2019-10-15 | Flender-Graffenstaden S.A.S. | Hydrodynamic bearing |
| CN108474413B (en) * | 2015-12-03 | 2019-11-08 | 弗兰德-格拉芬斯达登有限公司 | Hydrodynamic bearing |
| WO2020224614A1 (en) * | 2019-05-07 | 2020-11-12 | 哈尔滨工业大学 | Split-type adjustable-swing-angle aerostatic bearing device for static balancing of rotor, and gas-flotation support device for static balancing of rotating ring-shaped part |
| JP2022532537A (en) * | 2019-05-07 | 2022-07-15 | 哈爾濱工業大学 | Split and swing angle adjustable static pressure gas bearings and statically balanced pneumatic bearings for rotating ring components used for static balance of rotors. |
| JP7417803B2 (en) | 2019-05-07 | 2024-01-19 | 哈爾濱工業大学 | Split type and adjustable swing angle static pressure gas bearing device used for static balance of rotor and air bearing device for static balance of rotating ring type parts |
| US11988252B2 (en) | 2019-05-07 | 2024-05-21 | Harbin Institute Of Technology | Split-type swing angle adjustable aerostatic bearing device for rotor static balance, and air flotation support device for static balance of rotating ring-shaped parts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103233978B (en) | 2015-06-10 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20210428 |