CN107882870A - Bionical Spiral Groove Thrust Bearing - Google Patents
Bionical Spiral Groove Thrust Bearing Download PDFInfo
- Publication number
- CN107882870A CN107882870A CN201711230124.9A CN201711230124A CN107882870A CN 107882870 A CN107882870 A CN 107882870A CN 201711230124 A CN201711230124 A CN 201711230124A CN 107882870 A CN107882870 A CN 107882870A
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- China
- Prior art keywords
- bearing
- helicla flute
- rotor
- groove
- bulge
- 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.)
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Links
- 239000000314 lubricant Substances 0.000 claims abstract description 30
- 235000020238 sunflower seed Nutrition 0.000 claims abstract description 17
- 241000208818 Helianthus Species 0.000 claims description 14
- 235000003222 Helianthus annuus Nutrition 0.000 claims description 14
- 241000196324 Embryophyta Species 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 25
- 238000005461 lubrication Methods 0.000 abstract description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 230000002706 hydrostatic effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a kind of bionical Spiral Groove Thrust Bearing.Bearing face is located at the inward flange of bearing face provided with helicla flute, taiwan area and Ba Qu, Ba Qu, and helicla flute is provided with the bearing face of dam area periphery, and the surface for not opening up helicla flute on the bearing face of dam area periphery forms taiwan area；Rotor is full of lubricant with respect to bearing rotary between rotor and bearing；Spiral slot-line-type imitates the phyllotaxy structure of sunflower seed arrangement, i.e. helicla flute is arranged clockwise and the parastichy counterclockwise to be formed arrangement along sunflower seed, the helicla flute of two kinds of rotation directions of formation.The present invention circumferentially produces dynamic pressure and hydrostatic lubrication effect by the special construction of helicla flute in bearing, improves bearing load carrying capacity；Rotor is respectively provided with good lubricant effect in the case of rotating, improve working rotor stability, reduce lubricant and leak.
Description
Technical field
The present invention relates to a kind of Spiral Groove Thrust Bearing, and the arrangement of sunflower seed is imitated more particularly, to a kind of spiral slot-line-type
The bionical Spiral Groove Thrust Bearing of the diagonal cable architecture of formation.
Background technology
Spiral Groove Thrust Bearing is a kind of thrust bearing with good hydrodynamic effect, and its working surface has
Groove, opening or the step of special construction restrain paragraph with the gap formed towards sliding speed direction, restrain paragraph so as to utilize
Produce stronger wedge-shaped dynamic pressure effect.Its operation principle is：When rotor does high-speed motion with respect to bearing pair, lubricant is driven from axle
Hold outside and flow to pivot, produce and be radially pumped into effect.At the same time, lubricant circumferentially periodically flows through groove area and platform
Area, so as to produce static pressure and dynamic pressure effect.Two kinds of effect sums provide higher bearing capacity for thrust bearing.Due to spiral
Groove bearing has that bearing capacity is high, stability is good, advantages of simple structure and simple, and it is widely used as the low-temperature and high-speeds such as turbo-expander
The thrust part of machinery.
The application environment of Spiral Groove Thrust Bearing requires that it has higher bearing capacity, preferable lubricant effect.It is and real
The phenomenon that lubricant effect is bad, frictional force is larger can be usually run into the application of border, causes non-fully hydrodynamic lubrication occur, reduces
Bearing capacity, hinder rotary part normal work.A feasible method for solving these problems is exactly to improve spiral slot-line-type.
Typical spiral slot-line-types several at present have：Logarithmic spiral groove, skew lines helicla flute, arc spiral groove, parabola helicla flute.Spiral shell
The research of spin slot line style is significant for improving hydrodynamic effect, reduction friction, raising bearing capacity etc..
The content of the invention
In order to solve the problems, such as in background technology, the present invention proposes a kind of bionical Spiral Groove Thrust Bearing, its spiral line of rabbet joint
Type is imitated sunflower seed and arranged the diagonal cable architecture to be formed.
The technical solution adopted by the present invention is：
The present invention includes rotor and bearing, and bearing face is provided with helicla flute, taiwan area and Ba Qu, Ba Qu and is located at bearing face
Inward flange, helicla flute is provided with the bearing face of dam area periphery, does not open up the surface of helicla flute on the bearing face of dam area periphery
Form taiwan area；Rotor is full of lubricant with respect to bearing rotary between rotor and bearing.
Described taiwan area and Ba Qu is contour, i.e., surface both is at grade.
Described lubricant is water, air, lubricating oil or lubricating grease etc..
Described helicla flute use sunflower seed arrangement phyllotaxy structure, helicla flute arranged along sunflower disk seed to be formed it is oblique
Alignment is arranged.
In described helicla flute, the helicla flute number of two kinds of rotation directions is equal, is respectively 10~20, groove depth hgWith oil film thickness
h1The ratio between hg/hl=2~5；Flute length is than λ=(ro-rg)/(ro-ri)=0.5~0.9, rgRepresent dam area external diameter, roRepresent outside bearing
Footpath, riRepresent bearing bore diameter.
Described helicla flute is outer peripheral including being opened on the bearing face of dam area periphery and extending to bearing face
Two kinds of planar spiral grooves of clock wise spirals groove and counter-clockwise helical groove, clock wise spirals groove and counter-clockwise helical groove are respectively along certain herbaceous plants with big flowers
Floral disc seed is arranged the parastichy of the both direction to be formed so that clock wise spirals groove and counter-clockwise helical groove intersect to form certain herbaceous plants with big flowers
The phyllotaxy structure of flower seed arrangement.
The outward flange of described bearing face also is provided with Ba Qu, is opened up between the Liang Geba areas of bearing face outer edge
The section of the bowl configurations or bulge-structure of annular, bowl configurations and bulge-structure is semicircle, in bowl configurations or raised knot
The surface of structure offers helicla flute；Described rotor end-face is provided with the bulge-structure or bowl configurations of corresponding annular, raised
The section of structure and bowl configurations is semicircle so that the bowl configurations of bearing are mutually fitted together to the bulge-structure of rotor or bearing
Bulge-structure be mutually fitted together to the bowl configurations of rotor；
Described helicla flute includes being opened in the bulge-structure on bearing or the clock wise spirals on bowl configurations surface
Two kinds of helicla flutes of groove and counter-clockwise helical groove, in the projection of bearing bottom surface, clock wise spirals groove and counter-clockwise helical groove point
The parastichy arrangement for the both direction to be formed of not arranged along sunflower disk seed so that clock wise spirals groove and counter-clockwise helical groove phase
Intersect to form the phyllotaxy structure of sunflower seed arrangement.
Between the bowl configurations of described bearing and the bulge-structure of rotor or the bulge-structure of bearing and rotor it is recessed
There is 2~4mm gap between the structure of hole, lubricant is distributed with gap.
Described helicla flute is arranged only at the surface of bowl configurations or bulge-structure, does not extend to Ba Qu.
In the projection of bearing bottom surface, the line style of clock wise spirals groove and counter-clockwise helical groove is arranged using sunflower seed
The phyllotaxy structure of cloth, clock wise spirals channel mould imitate the parastichy clockwise of sunflower seed, and counter-clockwise helical channel mould imitates sunflower seed
Parastichy counterclockwise.
Present invention lubricant in rotor is with respect to bearing rotary course is brought into the working clearance, passes through the special knot of helicla flute
Structure circumferentially produces dynamic pressure and hydrostatic lubrication effect in bearing, so as to improve bearing capacity；Make rotor equal in the case of rotating
With good lubricant effect, groove staggeredly, platform structure enhance hydrodynamic effect, and pit-raised mosaic texture improves
Working rotor stability, reduce lubricant and leak.
The invention has the advantages that：
Structure of the present invention can strengthen the circumferential alias of bearing, strengthen hydrodynamic effect, improve loading ability of bearing energy
Power.
The rotor of the present invention is respectively provided with good lubricant effect and hydrodynamic effect in rotating so that lubricating oil is fast
Speed is sufficient filling with gap, reduces friction, avoids the occurrence of non-fully hydrodynamic lubrication phenomenon, while also enhances the circumferential ladder of bearing
Effect, strengthen hydrodynamic effect, improve bearing load carrying capacity.
The present invention adds relative motion surface area by the circular pit of bearing and rotor-raised mosaic texture,
Working rotor stability is improved, advantageously reduces leaking for lubricant.And thrust bearing is born axial load,
Certain radial load can be born.
Brief description of the drawings
Fig. 1 is the sunflower seed phyllotaxy structural model schematic diagram of the sunflower Grain distribution of the present invention.
Fig. 2 is the bionical Spiral Groove Thrust Bearing end structure illustration of embodiment 1.
Fig. 3 is the profile of embodiment 1.
Fig. 4 is the bionical Spiral Groove Thrust Bearing end structure illustration of embodiment 2.
Fig. 5 is the profile of embodiment 2.
Fig. 6 is the bionical Spiral Groove Thrust Bearing end structure illustration of embodiment 3.
Fig. 7 is the profile of embodiment 3.
In figure：1st, helicla flute, 2, taiwan area, 3, Ba Qu, 4, clock wise spirals groove, 5, counter-clockwise helical groove, 7, bowl configurations,
8th, bulge-structure, 9, bulge-structure, 10, bowl configurations, 11, rotor, 12, bearing.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Present invention specific implementation includes rotor 11 and bearing 12, and the end face of bearing 12 is provided with helicla flute 1, taiwan area 2 and dam area 3,
Dam area 3 is located at the inward flange of the end face of bearing 12, and helicla flute 1, the axle of the periphery of dam area 3 are provided with the end face of bearing 12 of the periphery of dam area 3
Hold the surface formation taiwan area 2 for not opening up helicla flute 1 on 12 end faces；Rotor 11 rotates relative to bearing 12, rotor 11 and bearing 12 it
Between be full of lubricant.
It is sunflower seed distributed model schematic diagram as shown in Figure 1, sunflower disk Grain distribution is presented helical form, in bioscience
Phyllotaxy theory show that sunflower seed arrangement meets F.R.Yeatts phyllotaxy models, form sunflower seeds phyllotaxy structure：
In formula：θ is the polar angle of n-th of raised seed；R is the polar coordinates radius of n-th of raised seed；R0It is colored
Piece or fruit radius；K is phyllotaxy coefficient, is determined by seed size, and n represents the ordinal number of raised seed.
This distribution causes sunflower disk seed parastichy clockwise and anticlockwise occur.Helicla flute 1 uses sunflower seed
The phyllotaxy structure of arrangement, helicla flute 1 arranged along sunflower disk seed to be formed parastichy arrangement, sunflower kernel distribution structure have from
Segmentation acts on and the effect of maximum thermal radiation absorption and convection body lower resistance disperse function.
Embodiments of the invention are as follows：
Embodiment 1
As shown in Figures 2 and 3, including helicla flute 1, taiwan area 2, dam area 3.Helicla flute 1 includes the axle for being opened in the periphery of dam area 3
Hold on 12 end faces and extend to two kinds of planes of the outer peripheral clock wise spirals groove 4 in the end face of bearing 12 and counter-clockwise helical groove 5
Helicla flute, all clock wise spirals grooves 4 are consistent from the outside rotation directions of Ba Qu, the spacing between neighbouring clockwise helicla flute 4 circumferentially
Uniformly, all counter-clockwise helical grooves 5 are consistent from the outside rotation directions of Ba Qu, and the spacing between adjacent counter-clockwise helical groove 5 circumferentially is equal
Even, clock wise spirals groove 4 and counter-clockwise helical groove 5 are arranged the parastichy of the both direction to be formed along sunflower disk seed respectively, are made
Obtain clock wise spirals groove 4 and counter-clockwise helical groove 5 intersects.
Spiral slot-line-type uses the phyllotaxy structure of sunflower seed arrangement, imitates the diagonal wire shaped of sunflower disk Grain formation.
In the design process, the point for meeting (1) formula can be chosen on bearing working surface, forms diagonal line lattice, then these points are linked to be
Smooth curve, the helicla flute with one fixed width and depth is gone out along the parastichy Curve Machining.
Embodiment 2
As shown in Figure 4 and Figure 5, the outward flange of the end face of bearing 12 also is provided with dam area 3, the two of the end face outer edge of bearing 12
The bowl configurations 7 of annular are opened up between Ge Ba areas 3, the section of bowl configurations is semicircle, is offered on the surface of bowl configurations
Helicla flute 1；The end face of rotor 11 is provided with the bulge-structure 8 of corresponding annular, and the section of bulge-structure is semicircle so that bearing 12
Bowl configurations be mutually fitted together to the bulge-structure of rotor 11；
Helicla flute 1 includes the clock wise spirals groove 4 and counter-clockwise helical groove 5 being opened on the bowl configurations surface of bearing 12
Two kinds of helicla flutes, all 4 outside rotation directions of clock wise spirals groove are consistent, the spacing between neighbouring clockwise helicla flute 4 circumferentially
Uniformly, all 5 outside rotation directions of counter-clockwise helical groove are consistent, and the spacing between adjacent counter-clockwise helical groove 5 circumferentially is uniform, in axle
Hold in the projection of bottom surface, clock wise spirals groove 4 and counter-clockwise helical groove 5 are arranged the both direction to be formed along sunflower disk seed respectively
Parastichy arrangement so that clock wise spirals groove 4 and counter-clockwise helical groove 5 intersect.
There is 2~4mm gap between the bowl configurations of bearing 12 and the bulge-structure of rotor 11, profit is distributed with gap
Lubrication prescription.
This Spiral Groove Thrust Bearing can not only bear axial load, can also bear certain radial load.
Embodiment 3
As shown in Figure 6 and Figure 7, the outward flange of the end face of bearing 12 also is provided with dam area 3, the two of the end face outer edge of bearing 12
The bulge-structure 9 of annular is opened up between Ge Ba areas 3, the section of bulge-structure is semicircle, is offered on the surface of bulge-structure
Helicla flute 1；The end face of rotor 11 is provided with the bowl configurations 10 of corresponding annular, and the section of bowl configurations is semicircle so that bearing
12 bulge-structure is mutually fitted together to the bowl configurations of rotor 11；
Helicla flute 1 includes the clock wise spirals groove 4 and counter-clockwise helical groove 5 being opened on the bulge-structure surface of bearing 12
Two kinds of helicla flutes, all 4 outside rotation directions of clock wise spirals groove are consistent, the spacing between neighbouring clockwise helicla flute 4 circumferentially
Uniformly, all 5 outside rotation directions of counter-clockwise helical groove are consistent, and the spacing between adjacent counter-clockwise helical groove 5 circumferentially is uniform, in axle
Hold in the projection of bottom surface, clock wise spirals groove 4 and counter-clockwise helical groove 5 are arranged the both direction to be formed along sunflower disk seed respectively
Parastichy arrangement so that clock wise spirals groove 4 and counter-clockwise helical groove 5 intersect.
There is 2~4mm gap between the bulge-structure of bearing 12 and the bowl configurations of rotor 11, profit is distributed with gap
Lubrication prescription.
This Spiral Groove Thrust Bearing can not only bear axial load, can also bear certain radial load.
The present invention operation principle be：
Spiral slot-line-type in the present invention imitates sunflower seed and arranged the diagonal cable architecture to be formed, and make use of its to make from splitting
With and convection body lower resistance disperse function etc..
In the thrust bearing of embodiment 1：As shown in figure 3, rotor clockwise (ω1) rotation when, lubricant is mainly by the inverse time
Pin helicla flute transport, rotor counterclockwise (ω2) rotation when, lubricant is mainly transported by clock wise spirals groove so that rotor is just
It lubricant is quickly sufficient filling with the gap of bearing and rotor during reversion, produce good lubricant effect.It is effectively prevented from
There is non-fully hydrodynamic lubrication phenomenon.
Lubricant circumferentially periodically flows through helicla flute and platform during bearing and rotor clearance is brought into, along bearing
Area, so as to produce ladder dynamic pressure effect, improve bearing load carrying capacity.Bidirectional screw slot structure in the present invention make it that rotor is positive and negative
Good circumferential alias can be produced when turning, enhances hydrodynamic effect, makes to be respectively provided with during bearing rotating higher
Bearing capacity.
In bearing in the radial direction, because helicla flute is to the compression of lubricant, it is allowed to produce the rise in pressure.Profit
Lubrication prescription is constantly compressed in the root of groove by Ba Qu stop, and pressure further increases.Bearing is by lubricant in helicla flute
High pressure in region forms bearing capacity.
In the thrust bearing of embodiment 2 and 3：As shown in figure 5, rotor clockwise (ω1) rotation when, lubricant is mainly by inverse
Hour hands helicla flute transport, rotor counterclockwise (ω2) rotation when, lubricant is mainly transported by clock wise spirals groove so that rotor exists
Good lubricant effect and hydrodynamic effect are respectively provided with during rotating.
Based on sunflower disk convection body lower resistance disperse function, the helicla flute of two kinds of rotation directions is interlaced to make lubricant quickly fill
Divide filling gap, be advantageous to reduce friction.Groove platform structure staggeredly enhances the circumferential alias of bearing, strengthens hydrodynamic
Effect, improve bearing load carrying capacity.
The circular pit of bearing and rotor-raised mosaic texture adds relative motion surface area, improves work
Stability, be advantageous to reduce lubricant and leak.And make bearing capacity that there is the component along bearing radial direction, bearing is held
By axial load, certain radial load can be also born.
Above-mentioned embodiment is used for illustrating the present invention, rather than limits the invention, the present invention's
In spirit and scope of the claims, to any modifications and changes of the invention made, protection model of the invention is both fallen within
Enclose.
Claims (7)
1. a kind of bionical Spiral Groove Thrust Bearing, including rotor (11) and bearing (12), it is characterised in that：Bearing (12) end face is set
There are helicla flute (1), taiwan area (2) He Baqu (3), Ba Qu (3) to be located at the inward flange of bearing (12) end face, the axle of Ba Qu (3) peripheries
Hold and helicla flute (1) is provided with (12) end face, do not open up the surface shape of helicla flute (1) on bearing (12) end face of Ba Qu (3) peripheries
Into taiwan area (2)；Rotor (11) is rotated relative to bearing (12), and lubricant is full of between rotor (11) and bearing (12).
A kind of 2. bionical Spiral Groove Thrust Bearing according to claim 1, it is characterised in that：Described helicla flute (1) is adopted
With sunflower seed arrange phyllotaxy structure, helicla flute (1) arranged along sunflower disk seed to be formed parastichy arrangement.
A kind of 3. bionical Spiral Groove Thrust Bearing according to claim 1, it is characterised in that：In described helicla flute (1),
The helicla flute number of two kinds of rotation directions is equal, is respectively 10~20, groove depth hgWith oil film thickness h1The ratio between hg/hl=2~5；Flute length ratio
λ=(ro-rg)/(ro-ri)=0.5~0.9, rgRepresent dam area external diameter, roRepresent bearing outside diameter, riRepresent bearing bore diameter.
A kind of 4. bionical Spiral Groove Thrust Bearing according to claim 2, it is characterised in that：Described helicla flute (1) bag
Include and be opened on bearing (12) end face of Ba Qu (3) peripheries and extend to the outer peripheral clock wise spirals groove in bearing (12) end face
(4) and counter-clockwise helical groove (5) two kinds of planar spiral grooves, clock wise spirals groove (4) and counter-clockwise helical groove (5) are respectively along certain herbaceous plants with big flowers
Floral disc seed is arranged the parastichy of the both direction to be formed so that clock wise spirals groove (4) and counter-clockwise helical groove (5) are intersecting
Fork.
A kind of 5. bionical Spiral Groove Thrust Bearing according to claim 2, it is characterised in that：Described bearing (12) end face
Outward flange also be provided with Ba Qu (3), opened up between the Liang Geba areas (3) of bearing (12) end face outer edge annular pit knot
The section of structure or bulge-structure, bowl configurations and bulge-structure is semicircle, is opened up on the surface of bowl configurations or bulge-structure
There is helicla flute (1)；Described rotor (11) end face is provided with the bulge-structure or bowl configurations of corresponding annular, bulge-structure and
The section of bowl configurations is semicircle so that the bowl configurations of bearing (12) are mutually fitted together to the bulge-structure of rotor (11) or axle
The bulge-structure for holding (12) is mutually fitted together to the bowl configurations of rotor (11)；
Described helicla flute (1) includes being opened in the bulge-structure on bearing (12) or the spiral shell clockwise on bowl configurations surface
Two kinds of helicla flutes of spin slot (4) and counter-clockwise helical groove (5), in the projection of bearing bottom surface, clock wise spirals groove (4) and inverse time
Pin helicla flute (5) respectively along sunflower disk seed arrange the both direction to be formed parastichy arrange so that clock wise spirals groove (4)
Intersected with counter-clockwise helical groove (5).
A kind of 6. bionical Spiral Groove Thrust Bearing according to claim 2, it is characterised in that：Described bearing (12) it is recessed
Cheat between structure and the bulge-structure of rotor (11) or between the bulge-structure of bearing (12) and the bowl configurations of rotor (11)
Gap with 2~4mm, lubricant is distributed with gap.
A kind of 7. bionical Spiral Groove Thrust Bearing according to claim 2, it is characterised in that：Described helicla flute (1) is only
The surface of bowl configurations or bulge-structure is arranged in, does not extend to Ba Qu (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230124.9A CN107882870B (en) | 2017-11-29 | 2017-11-29 | Bionic spiral groove thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230124.9A CN107882870B (en) | 2017-11-29 | 2017-11-29 | Bionic spiral groove thrust bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107882870A true CN107882870A (en) | 2018-04-06 |
| CN107882870B CN107882870B (en) | 2024-03-22 |
Family
ID=61776098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711230124.9A Active CN107882870B (en) | 2017-11-29 | 2017-11-29 | Bionic spiral groove thrust bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN107882870B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638993A (en) * | 2018-11-26 | 2019-04-16 | 成都富临精工电子电器科技有限公司 | A kind of electronic water pump rotor assembly anti-shifting structure |
| CN111878498A (en) * | 2020-08-04 | 2020-11-03 | 南京创力传动科技有限公司 | Spherical thrust surface high-speed gear retaining ring |
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| CN109638993A (en) * | 2018-11-26 | 2019-04-16 | 成都富临精工电子电器科技有限公司 | A kind of electronic water pump rotor assembly anti-shifting structure |
| CN109638993B (en) * | 2018-11-26 | 2024-06-11 | 四川芯智热控技术有限公司 | Anti-shifting structure of electronic water pump rotor assembly |
| CN111878498A (en) * | 2020-08-04 | 2020-11-03 | 南京创力传动科技有限公司 | Spherical thrust surface high-speed gear retaining ring |
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| CN107882870B (en) | 2024-03-22 |
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