CN106015318A - Hybrid plane bearing - Google Patents

Hybrid plane bearing Download PDF

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Publication number
CN106015318A
CN106015318A CN201610649551.XA CN201610649551A CN106015318A CN 106015318 A CN106015318 A CN 106015318A CN 201610649551 A CN201610649551 A CN 201610649551A CN 106015318 A CN106015318 A CN 106015318A
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CN
China
Prior art keywords
oil groove
bearing
groove
storage tank
center
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610649551.XA
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Chinese (zh)
Other versions
CN106015318B (en
Inventor
张为波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yancheng Chuangjie Technology Co ltd
Original Assignee
Ningbo City Yinzhou An Pml Precision Mechanism Ltd
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Priority to CN201610649551.XA priority Critical patent/CN106015318B/en
Publication of CN106015318A publication Critical patent/CN106015318A/en
Application granted granted Critical
Publication of CN106015318B publication Critical patent/CN106015318B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/66Special parts or details in view of lubrication
    • F16C33/6637Special parts or details in view of lubrication with liquid lubricant
    • F16C33/664Retaining the liquid in or near the bearing
    • F16C33/6655Retaining the liquid in or near the bearing in a reservoir in the sealing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

The invention discloses a hybrid plane bearing. The hybrid plane bearing comprises a cylindrical bearing main body (1) and is characterized in that the outer side wall of the bearing main body (1) is provided with at least two storage tanks (18) along the circumferential direction, the groove depth of any storage tank (18) is linearly increased along a direction of a circumferential active force F on the bearing main body (1), a ball (19) is arranged in each one of the storage tanks (18), the diameter of the ball (19) is greater than the depth of the smaller end of the storage tank (18) along the circumferential direction and is less than the depth of the bigger end of the storage tank (18) along the circumferential direction, and when the bearing main body (1) is installed in a bearing pedestal (20), under the circumferential force F on the bearing main body (1), the ball (19) tightly fits to the inner wall of an installation chamber of the bearing pedestal (20). The hybrid plane bearing is free of a rolling element and thus the hybrid plane bearing has good stability and a low manufacturing cost.

Description

A kind of dynamic and static pressure plane bearing
Technical field
The present invention relates to the technical field of plane bearing, specifically a kind of dynamic and static pressure plane bearing.
Background technology
The plane bearing of prior art is typically by plane retainer assembly and the faced washer of band needle roller or cylindrical roller or steel ball Composition.Thus existing plane bearing is categorized as plane bearing and the plane bearing of dribbling of band needle roller.Regardless of whether be band rolling Between the plane bearing that the plane bearing of pin is still dribbled, its needle roller or roller (hereafter referred to collectively as rolling element) and bearing body It is all hard contact, the therefore assembly precision between dimensional accuracy and physical property, rolling element and the mounting groove of rolling element, and Along with the abrasion produced after rolling element life-time service and deformation all influence whether the stability of plane bearing, so-called stability Refer to plane bearing support shake during dynamic component little, it is clear that existing plane bearing in order to improve its stability, It is necessarily required in the machining accuracy to rolling element, assembly precision, the strength of materials promote, and this thereby necessarily increases and be manufactured into This, therefore, the lathe higher for required precision in industry and equipment, existing plane bearing either stability is still made Cause this all cannot meet demand.
Summary of the invention
The technical problem to be solved is: providing a kind of dynamic and static pressure plane bearing, it is without arranging rolling element, therefore Good stability, low cost of manufacture.
The technical solution used in the present invention is: provide a kind of dynamic and static pressure plane bearing, and it includes the bearing body of cylinder, It is characterized in that: circumferentially arranged with at least two storage tank on the lateral wall of bearing body, the groove depth of any storage tank is all along axle The dimension linear holding the circumferential active force that body is subject to increases, and is equipped with a ball in each storage tank, and the diameter of ball is more than holding Put the groove depth of the circumferentially corresponding less one end of groove, and the groove depth of bigger one end circumferentially corresponding less than storage tank, when When bearing body is installed in bearing block, the circumferential active force that bearing body is subject to orders about the interior of ball and the installation cavity of bearing block Wall tight fit.
Described storage tank is six, and six storage tanks are uniformly distributed along the circumference of bearing body.
Described storage tank is positioned at nearly notch position on the two the most corresponding medial walls of bearing body and is respectively equipped with one grade of bar, uses Slipping from notch position in limiting ball, the two ends of shelves bar extend to the medial wall with storage tank admittedly along the length direction of storage tank Fixed.
The position that described shelves bar is positioned at corresponding to the less one end of storage tank groove depth is provided with a breach, for inserting storage tank for ball In.
The upper surface of bearing body is positioned at center indent and forms center oil groove, Shang Yan center, the upper surface oil groove of bearing body The seed oil groove being provided at circumferentially spaced multiple sector, be provided with oil supplying hole in described bearing body, for backbone oil groove oil Liquid, the sidewall of each seed oil Cao Jin center oil groove is respectively equipped with oil groove, the groove for described seed oil groove excessively connected with center oil groove It is respectively equipped with the first oilhole and the second oilhole along the end positions corresponding to the circumference of bearing body at the end, corresponding in bearing body It is respectively provided with in the position at each seed oil groove place and connects the first oilhole corresponding to respective seed oil groove and the company of the second oilhole Connect oil circuit.
Being provided with the transition oil groove of an annular between the oil groove of described seed oil Cao He center, each seed oil groove crosses oil groove by respective respectively Connect with transition oil groove, in the fluid overflow in the oil groove of center to transition oil groove.
On the medial wall of described center oil groove, nearly bottom land position is provided with one and crosses oil inclined hole, and described crosses oil inclined hole court in the horizontal direction Lower inclination extends, with connection transition oil groove and center oil groove.
The described aperture crossing oil oil groove position, inclined hole nearly center is less than and crosses oil inclined hole nearly transition oil groove position Aperture.
The shape of cross section of described center oil groove is circular, and the diameter of the bottom land position of described center oil groove is more than center oil groove The diameter of notch position.
Described transition oil groove is built into the filter body of at least one porous, and described filter body is spherical structure.
After using above structure, first a kind of dynamic and static pressure plane bearing of the present invention compared with prior art has the advantage that, By storage tank and the design of ball, making bearing body easy for installation, its unloading process is the easiest simultaneously, secondly, rotor with When bearing body relatively rotates, between rotor and bearing body formed oil lamella, thus avoid in rotor rotation process with axle Holding body firmly to contact, therefore frictional force is little, it is little to shake, rotor stability of rotation, simultaneously without arranging rolling element, therefore manufactures Cost reduces.
Accompanying drawing explanation
Fig. 1 is the axle side schematic diagram of a kind of dynamic and static pressure plane bearing of the present invention.
Fig. 2 is the axle side schematic diagram of the other direction of a kind of dynamic and static pressure plane bearing of the present invention.
Fig. 3 is that a kind of dynamic and static pressure plane bearing of the present invention loads the schematic top plan view on bearing block.
Fig. 4 is that a kind of dynamic and static pressure plane bearing of the present invention loads the schematic side view on bearing block.
Fig. 5 is the cross-sectional schematic in " A-A " direction after removing bearing block in Fig. 3.
Fig. 6 is the cross-sectional schematic in " B-B " direction after removing bearing block in Fig. 3.
Fig. 7 is the close-up schematic view in " C " region in Fig. 6.
Wherein, 1, bearing body, 2, center oil groove, 3, seed oil groove, 4, oil supplying hole, 5, oil groove, the 6, first oil are crossed Hole, the 7, second oilhole, 8, transition oil groove, 9, cross oil inclined hole, 10, filter body, the 11, the 3rd oilhole, 12, annular returns Oil groove, 13, oil-recovery tank, 14, connecting groove, 15, cover plate, 16, pad, 17, protruding, 18, storage tank, 19, Ball, 20, bearing block, 21, shelves bar, 21.1, breach;
F refers to the circumferential active force that bearing body 1 is subject to.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
The present invention provides a kind of dynamic and static pressure plane bearing, and it includes the bearing body 1 of cylinder, it is characterised in that: bearing is originally Circumferentially arranged with at least two storage tank 18 on the lateral wall of body 1, the groove depth of any storage tank 18 is all subject to along bearing body 1 The dimension linear of the circumferential directed force F arrived increases, and is equipped with a ball 19 in each storage tank 18, and the diameter of ball 19 is more than The groove depth of less one end that storage tank 18 is circumferentially corresponding, and bigger one end circumferentially corresponding less than storage tank 18 Groove depth, when bearing body 1 is installed in bearing block 20, the circumferential directed force F that bearing body 1 is subject to orders about ball 19 Inwall tight fit with the installation cavity of bearing block 20.
Described storage tank 18 is six, and six storage tanks 18 are uniformly distributed along the circumference of bearing body 1.
Described storage tank 18 is positioned at nearly notch position on the two the most corresponding medial walls of bearing body 1 and is respectively equipped with one grade Bar 21, is used for limiting ball 19 and slips from notch position, and the two ends of shelves bar 21 extend to along the length direction of storage tank 18 Fix with the medial wall of storage tank 18.
The position that described shelves bar 21 is positioned at corresponding to the less one end of storage tank 18 groove depth is provided with a breach 21.1, for for ball 19 insert in storage tank 18.
Described ball 19 is the base ball of a rigidity, and base outer surface of ball is provided with top layer.
Described top layer is plating electrodeposited coating on base outer surface of ball, and electrodeposited coating can be that soft aluminum, nickel, zinc etc. are soft Metal level.
Described top layer is the coefficient of friction hard rubber layers more than 1.
The upper surface of bearing body 1 is positioned at center indent and forms center oil groove 2, on the upper surface of bearing body 1 in edge The seed oil groove 3 being provided at circumferentially spaced multiple sector of heart oil groove 2, is provided with oil supplying hole 4 in described bearing body 1, is used for Backbone oil groove 2 fluid, the sidewall of each seed oil groove 3 nearly center oil groove 2 is respectively equipped with one and connects with center oil groove 2 Cross oil groove 5, the bottom land of described seed oil groove 3 is respectively equipped with the first oil along the end positions corresponding to the circumference of bearing body 1 Hole 6 and the second oilhole 7, in bearing body 1, the position corresponding to each seed oil groove 3 place is respectively provided with connection each son The first oilhole 6 and connection oil circuit of the second oilhole 7 corresponding to oil groove 1.
Being provided with the transition oil groove 8 of an annular between described seed oil groove 3 and center oil groove 2, each seed oil groove 3 is respectively by each Cross oil groove 5 connect with transition oil groove 8, in the fluid overflow in center oil groove 2 to transition oil groove 8.
On the medial wall of described center oil groove 2, nearly bottom land position is provided with one and crosses oil inclined hole 9, and described crosses oil inclined hole 9 along level It is directed downward inclination to extend, with connection transition oil groove 8 and center oil groove 2.
The described aperture crossing oil oil groove 2 position, inclined hole 9 nearly center is less than and crosses oil nearly transition oil groove 8 place of inclined hole 9 The aperture of position.
The shape of cross section of described center oil groove 2 is circular, and the diameter of the bottom land position of described center oil groove 2 is more than center The diameter of oil groove 2 notch position.
Described transition oil groove 8 is built into the filter body 10 of at least one porous, and described filter body 10 is spherical structure.
On the bottom land of described seed oil groove 3, radial direction along bearing body 1 deviates from the position of center oil groove 2 and is provided with the 3rd oilhole 11, 3rd oilhole 11 connects with the annular oil-recovery tank 12 on bearing body 1 lower surface.When bearing body 1 is installed on bearing block Time, form the annular oil cavity of a sealing with the inwall of bearing block when above-mentioned annular oil-recovery tank 12 coordinates.
Being equipped with an oil-recovery tank 13 between the sub-oil groove 3 of arbitrary neighborhood two, described oil-recovery tank 13 is along the radial direction of bearing body 1 Extend to run through the lateral wall of bearing body 1.
Described connection oil circuit refers to, the first oilhole 6 and the second oilhole 7 extend through the lower surface of bearing body 1, described On the lower surface of bearing body 1, indent forms a connecting groove 14, and described connecting groove 14 is from the aperture of the first oilhole 6 Position extends to the position, aperture of the second oilhole 7, and connecting groove 14 covers a cover plate 15, described cover plate 15 Seal the first oilhole 6 and aperture of the second oilhole 7, and cover plate 15 and connecting groove 14 surround formation a connection channel, use In connecting the first oilhole 6 and the second oilhole 7.
A pad 16 it is provided with, the described nearly connecting groove 14 of pad 16 and being positioned at even between described cover plate 15 and bearing body 1 Connecing the outer corresponding position of groove 14 and be provided with a projection 17, projection 17 extends formation head and the tail along the outline of connecting groove 14 The loop configuration being connected.
In the installation process of the present invention is the installation cavity that bearing body 1 is inserted bearing block, now ball is positioned at the groove of storage tank Deep bigger one end, therefore bearing body can normally load installation cavity, and when bearing body is subject to turn in course of normal operation The active force of son, i.e. bearing body by circumference active force (moment of torsion) ball moving to less one end of groove depth of storage tank, this Time ball and installation cavity inwall extruding, and tight fit.In like manner, when needs dismounting bearing body, it is only necessary to by bearing originally Body reversion is the most detachable.
Certainly the dynamic and static pressure plane bearing of the present invention is during specifically used, when rotor such as rotating disk matches with the present invention Time, when the lower surface of rotating disk is covered on the bearing body 1 of the present invention, the lower surface of rotating disk and center oil groove 2, seed oil groove 3, transition oil groove 8, oil-recovery tank 13 all surround formation cavity, and fluid is between the notch position and the lower surface of rotating disk of each groove Form oil film, therefore the most firmly contact in rotating disk rotation process and between the bearing body 1 of the present invention.
Above preferred embodiment of the present invention is described, but is not to be construed as limitations on claims.The present invention is not Be limited only to above example, its concrete structure allows to change, and all is made in the protection domain of demand for independence of the present invention Various changes are the most within the scope of the present invention.

Claims (10)

1. a dynamic and static pressure plane bearing, it includes the bearing body (1) of cylinder, it is characterised in that: bearing body (1) Lateral wall on circumferentially arranged with at least two storage tank (18), the groove depth of any storage tank (18) is all along bearing body (1) The dimension linear of the circumferential directed force F being subject to increases, and is equipped with a ball (19), ball (19) in each storage tank (18) The groove depth of diameter less one end circumferentially corresponding more than storage tank (18), and less than storage tank (18) circumferentially institute The groove depth of corresponding bigger one end, when bearing body (1) is installed in bearing block (20), bearing body (1) is subject to Circumferential directed force F order about the inwall tight fit of installation cavity of ball (19) and bearing block (20).
A kind of dynamic and static pressure plane bearing the most according to claim 1, it is characterised in that: described storage tank (18) Being six, six storage tanks (18) are uniformly distributed along the circumference of bearing body (1).
A kind of dynamic and static pressure plane bearing the most according to claim 2, it is characterised in that: described storage tank (18) position On the two the most corresponding medial walls of bearing body (1), nearly notch position is respectively equipped with one grade of bar (21), is used for limiting Ball (19) slips from notch position, and the two ends of shelves bar (21) extend to accommodating along the length direction of storage tank (18) The medial wall of groove (18) is fixed.
A kind of dynamic and static pressure plane bearing the most according to claim 3, it is characterised in that: described shelves bar (21) is positioned at Position corresponding to the less one end of storage tank (18) groove depth is provided with a breach (21.1), for inserting accommodating for ball (19) In groove (18).
A kind of dynamic and static pressure plane bearing the most according to claim 1, it is characterised in that: the upper end of bearing body (1) Face is positioned at center indent and forms center oil groove (2), the week at the Shang Yan center, upper surface oil groove (2) of bearing body (1) To being arranged at intervals with the seed oil groove (3) of multiple sector, it is provided with oil supplying hole (4) in described bearing body (1), is used for supplying Center oil groove (2) fluid, the sidewall at nearly center oil groove (2) of each seed oil groove (3) is respectively equipped with one with center oil groove (2) Connect crosses oil groove (5), along the end positions corresponding to the circumference of bearing body (1) on the bottom land of described seed oil groove (3) It is respectively equipped with the first oilhole (6) and the second oilhole (7), corresponding to each seed oil groove (3) place in bearing body (1) Position is respectively provided with the connection the first oilhole (6) corresponding to respective seed oil groove (1) and the connection of the second oilhole (7) Oil circuit.
A kind of dynamic and static pressure plane bearing the most according to claim 5, it is characterised in that: described seed oil groove (3) and in Being provided with the transition oil groove (8) of an annular between heart oil groove (2), each seed oil groove (3) crosses oil groove (5) by respective respectively Connect with transition oil groove (8), in the fluid overflow in center oil groove (2) to transition oil groove (8).
A kind of dynamic and static pressure plane bearing the most according to claim 6, it is characterised in that: described center oil groove (2) On medial wall, nearly bottom land position is provided with the most oily inclined hole (9), and described oil inclined hole (9) excessively is downwardly inclined in the horizontal direction and prolongs Stretch, with connection transition oil groove (8) and center oil groove (2).
A kind of dynamic and static pressure plane bearing the most according to claim 7, it is characterised in that: described crosses oil inclined hole (9) The aperture of nearly oil groove (2) position, center is less than and the aperture crossing nearly transition oil groove (8) position of oil inclined hole (9).
A kind of dynamic and static pressure plane bearing the most according to claim 7, it is characterised in that: described center oil groove (2) Shape of cross section is circular, and the diameter of the bottom land position at described center oil groove (2) is more than center oil groove (2) notch position Diameter.
A kind of dynamic and static pressure plane bearing the most according to claim 6, it is characterised in that: described transition oil groove (8) Being built into the filter body (10) of at least one porous, described filter body (10) is spherical structure.
CN201610649551.XA 2016-08-09 2016-08-09 A kind of dynamic and static pressure plane bearing Active CN106015318B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610649551.XA CN106015318B (en) 2016-08-09 2016-08-09 A kind of dynamic and static pressure plane bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610649551.XA CN106015318B (en) 2016-08-09 2016-08-09 A kind of dynamic and static pressure plane bearing

Publications (2)

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CN106015318A true CN106015318A (en) 2016-10-12
CN106015318B CN106015318B (en) 2018-01-16

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Family Applications (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012392A1 (en) * 1978-12-08 1980-06-25 Franz Klaus Union Armaturen Pumpen GmbH & Co. Foil bearing, in particular for chemical pumps
CN201448364U (en) * 2009-05-08 2010-05-05 常州市棱光轴承有限公司 Plane bearing
CN201561046U (en) * 2009-07-16 2010-08-25 林国爱 Plane bearing
CN203412933U (en) * 2013-08-05 2014-01-29 浙江亚科尔轴承有限公司 Plane bearing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012392A1 (en) * 1978-12-08 1980-06-25 Franz Klaus Union Armaturen Pumpen GmbH & Co. Foil bearing, in particular for chemical pumps
CN201448364U (en) * 2009-05-08 2010-05-05 常州市棱光轴承有限公司 Plane bearing
CN201561046U (en) * 2009-07-16 2010-08-25 林国爱 Plane bearing
CN203412933U (en) * 2013-08-05 2014-01-29 浙江亚科尔轴承有限公司 Plane bearing

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