CN103016514A - Sliding bearing with non-circular shaft neck - Google Patents
Sliding bearing with non-circular shaft neck Download PDFInfo
- Publication number
- CN103016514A CN103016514A CN2012105694895A CN201210569489A CN103016514A CN 103016514 A CN103016514 A CN 103016514A CN 2012105694895 A CN2012105694895 A CN 2012105694895A CN 201210569489 A CN201210569489 A CN 201210569489A CN 103016514 A CN103016514 A CN 103016514A
- Authority
- CN
- China
- Prior art keywords
- bearing
- circular
- shaft neck
- sliding bearing
- axle journal
- 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.)
- Pending
Links
Images
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a sliding bearing with a non-circular shaft neck. The shaft neck of the sliding bearing refers to a non-circular curved shaft neck profile formed by non-circular modification. The non-circular curved shaft neck profile is composed of a series of arcs enveloping a regular polygon or a series of arcs enveloping a non-regular polygon. The non-circular modification of the shaft neck can form a plurality of convergent oil wedges in the bearing, so that dynamic pressure lubrication effect of the bearing is enhanced and bearing capability and service life of the bearing are improved. The sliding bearing with the non-circular shaft neck is particularly suitable for being used in the field with fixing shaft but rotatable holes. Compared with a multi-bearing hole bearing structure capable of forming a plurality of oil wedges, the solution provided by the invention can be realized more easily, is low in manufacturing cost and has relatively large engineering application value.
Description
Technical field
The present invention relates to a kind of sliding bearing, especially relate to a kind of sliding bearing of non-circular shaft neck.
Background technique
The condition that forms hydrldynamic pressure lubrication in the sliding bearing has three: between two lubricated surfaces wedge gap must be arranged; Must be full of the lubricant medium with viscosity between two lubricated surfaces; Between two lubricated surfaces certain relative sliding velocity must be arranged, its moving direction must make lubricant medium flow to by large mouthful, flows out from osculum.Lubricant medium can be lubricant oil, water, air or lubricating grease etc.
In round and smooth dynamic bearing, generally only have a convergence wedge shape between axle journal and the bearing shell, the hydrodynamic lubrication effect is limited, has limited the bearing capacity of bearing, the working life of also having reduced bearing simultaneously.Utilize correction of the flank shape that the axle journal profile is repaiied and be non-circle, when bearing shell rotates, can drive oil film and in the bearing play, form a plurality of convergence wedge shapes like this, make the hydrodynamic lubrication better effects if of bearing, can improve bearing capacity and the working life of sliding bearing.
Summary of the invention
The object of the present invention is to provide a kind of sliding bearing of non-circular shaft neck, the sliding bearing that axle journal forms through correction of the flank shape, the correction of the flank shape form is that the axle journal profile is the serial circular arc of envelope regular polygon or the serial circular arc of non-regular polygon.
The technical solution used in the present invention is:
The axle journal of sliding bearing of the present invention is the axle journal profile of the non-circular curve that forms through non-cavetto shape.
The axle journal profile of described non-circular curve is that the serial circular arc of envelope regular polygon consists of.
Described for the serial circular arc of envelope regular polygon be envelope equilateral triangle, square, regular pentagon, orthohexagonal serial circular arc.
The axle journal profile of described non-circular curve is that the serial circular arc of the non-regular polygon of envelope consists of.
The axle journal profile of described non-circular curve is that the serial circular arc of the non-regular pentagon of envelope consists of.
The beneficial effect that the present invention has is:
1, the non-cavetto shape of axle journal can form multi-oil wedge floating-ring among the present invention in bearing, has increased the hydrodynamic lubrication effect of bearing.
2, better hydrodynamic lubrication effect bearing capacity and the working life that can improve bearing, be specially adapted to that axle is fixed and the occasion that rotates in the hole.
3, be compared to the many watts of hole bearing structures that can form equally a plurality of oil film wedges, the easier realization of the present invention program and low cost of manufacture, the engineering using value is larger.
Description of drawings
Fig. 1 is the sliding bearing of axle journal profile envelope square.
Fig. 2 is the sliding bearing of axle journal profile envelope equilateral triangle.
Fig. 3 is the sliding bearing of axle journal profile envelope regular pentagon.
Fig. 4 is the orthohexagonal sliding bearing of axle journal profile envelope.
Fig. 5 is the sliding bearing of the non-regular pentagon of axle journal profile envelope.
Fig. 6 is embodiment 1 kinematic sketch of mechanism.
Fig. 7 is embodiment 2 kinematic sketch of mechanism.
Among the figure:: 1, axle journal, 2, bearing shell, 3, crank, 4, connecting rod, 5, wrist pin, 6, piston.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The axle journal 1 of sliding bearing of the present invention is the axle journal profile of the non-circular curve that forms through non-cavetto shape, and axle journal 1 and bearing shell 2 match, and form a sliding bearing.
Such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the axle journal profile of non-circular curve is that the serial circular arc of envelope regular polygon consists of; The serial circular arc of envelope regular polygon is envelope equilateral triangle, square, regular pentagon, orthohexagonal serial circular arc.
As shown in Figure 5, the axle journal profile of non-circular curve is the serial circular arc formation of the non-regular polygon of envelope; The axle journal profile of non-circular curve is that the serial circular arc of the non-regular pentagon of envelope consists of.
As shown in Figure 6, embodiment 1 is the kinematic sketch of inline slidercrank mechanism, the bent axle piston mechanism of motor for example, crank 3 is connected with connecting rod 4 usefulness sliding bearings, connecting rod 4 is connected with piston 6 by wrist pin 5, relatively rotate between connecting rod 4 and the wrist pin 5, need to add lubricant oil and carry out hydrldynamic pressure lubrication.Load on the wrist pin 5 and horizontal maximum angle are
Tie rod holes and wrist pin 5 have formed a sliding bearing.Wrist pin 5 is processed into as shown in Figure 1 pattern, and among Fig. 1, tie rod holes 2 is subject to power
FEffect, and rotate around axis, when tie rod holes 2 with angular velocity
During rotation, the non-circular looks owing to wrist pin 1 can drive oil film and form a plurality of convergence wedge shapes between the axle journal bearing shell, and are more excellent compared to the single wedge shape hydrodynamic lubrication effect of circular axle journal.
As shown in Figure 7, the offset slidercrank mechanism among the embodiment 2, motion principle are with embodiment 1, but the load on the wrist pin 5 and horizontal maximum angle are respectively
With
As shown in Figure 1, when tie rod holes 2 with angular velocity
During rotation, the non-circular looks owing to wrist pin 1 can drive oil film and form a plurality of convergence wedge shapes between the axle journal bearing shell, and are more excellent compared to the single wedge shape hydrodynamic lubrication effect of circular axle journal.
Above-mentioned embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (5)
1. the sliding bearing of a non-circular shaft neck is characterized in that: the axle journal of sliding bearing is the axle journal profile of the non-circular curve that forms through non-cavetto shape.
2. the sliding bearing of a kind of non-circular shaft neck according to claim 1 is characterized in that: the axle journal profile of described non-circular curve is that the serial circular arc of envelope regular polygon consists of.
3. the sliding bearing of a kind of non-circular shaft neck according to claim 2 is characterized in that: described for the serial circular arc of envelope regular polygon be envelope equilateral triangle, square, regular pentagon, orthohexagonal serial circular arc.
4. the sliding bearing of a kind of non-circular shaft neck according to claim 1 is characterized in that: the axle journal profile of described non-circular curve is that the serial circular arc of the non-regular polygon of envelope consists of.
5. the sliding bearing of a kind of non-circular shaft neck according to claim 4 is characterized in that: the axle journal profile of described non-circular curve is that the serial circular arc of the non-regular pentagon of envelope consists of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105694895A CN103016514A (en) | 2012-12-25 | 2012-12-25 | Sliding bearing with non-circular shaft neck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105694895A CN103016514A (en) | 2012-12-25 | 2012-12-25 | Sliding bearing with non-circular shaft neck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103016514A true CN103016514A (en) | 2013-04-03 |
Family
ID=47965476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105694895A Pending CN103016514A (en) | 2012-12-25 | 2012-12-25 | Sliding bearing with non-circular shaft neck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016514A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454243A (en) * | 2019-09-05 | 2019-11-15 | 湖南天雁机械有限责任公司 | Lay Lip river triangle bearing-type power transmission structure for turbocharger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1201573A1 (en) * | 1984-04-02 | 1985-12-30 | Предприятие П/Я М-5356 | Plain support |
| JP2001027224A (en) * | 1999-07-15 | 2001-01-30 | Ntn Corp | Dynamic pressure gas bearing |
| CN2494247Y (en) * | 2001-08-27 | 2002-06-05 | 宁波恒力汽配轴承有限公司 | Internal arc bushed bearing |
| CN1898476A (en) * | 2004-08-17 | 2007-01-17 | 川崎重工业株式会社 | Dynamic pressure fluid bearing |
| JP2008008367A (en) * | 2006-06-28 | 2008-01-17 | Ntn Corp | Dynamic pressure bearing device |
| CN203130783U (en) * | 2012-12-25 | 2013-08-14 | 浙江大学 | Sliding bearing with non-circular journal |
-
2012
- 2012-12-25 CN CN2012105694895A patent/CN103016514A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1201573A1 (en) * | 1984-04-02 | 1985-12-30 | Предприятие П/Я М-5356 | Plain support |
| JP2001027224A (en) * | 1999-07-15 | 2001-01-30 | Ntn Corp | Dynamic pressure gas bearing |
| CN2494247Y (en) * | 2001-08-27 | 2002-06-05 | 宁波恒力汽配轴承有限公司 | Internal arc bushed bearing |
| CN1898476A (en) * | 2004-08-17 | 2007-01-17 | 川崎重工业株式会社 | Dynamic pressure fluid bearing |
| JP2008008367A (en) * | 2006-06-28 | 2008-01-17 | Ntn Corp | Dynamic pressure bearing device |
| CN203130783U (en) * | 2012-12-25 | 2013-08-14 | 浙江大学 | Sliding bearing with non-circular journal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454243A (en) * | 2019-09-05 | 2019-11-15 | 湖南天雁机械有限责任公司 | Lay Lip river triangle bearing-type power transmission structure for turbocharger |
| CN110454243B (en) * | 2019-09-05 | 2024-05-17 | 湖南天雁机械有限责任公司 | Lailo triangle bearing type power transmission structure for turbocharger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202082374U (en) | Planetary carrier bearing lubrication structure of extra large multi-diversion planetary gearbox | |
| JP6762358B2 (en) | Grooved dynamic pressure radial gas bearing | |
| CN204716916U (en) | A kind of detachable industrial gear | |
| CN104832535A (en) | A rolling type knuckle bearing | |
| CN203130783U (en) | Sliding bearing with non-circular journal | |
| CN207229586U (en) | A kind of orientable engineering bearing of self-lubricating | |
| CN101799038A (en) | Shock proof cylinder roller bearing | |
| CN103016514A (en) | Sliding bearing with non-circular shaft neck | |
| CN105179462B (en) | A kind of ripple foil-type air hydrodynamic bearing | |
| CN202326736U (en) | Novel single-piece opening type retainer of double-line angle contact ball bearing | |
| CN102042337A (en) | Self-lubricating sliding bearing | |
| CN103557232A (en) | Method for increasing bearing capacity of water lubrication bearing and corresponding water lubrication bearing | |
| CN203082027U (en) | Distributed sliding bearing with bearing bush matrix surface provided with micro-pit oil pockets | |
| CN103671490A (en) | Novel bearing | |
| CN203670511U (en) | Novel oil ring adopting oil carrying structure | |
| CN210484409U (en) | Cylindrical roller bearing of wind power speed increasing box | |
| CN202628833U (en) | Miniature bearing | |
| CN201013750Y (en) | Magnetic bearing | |
| CN203114909U (en) | Bearing retainer | |
| CN204328423U (en) | There is the disc of atomizing component and dampening assembly | |
| CN203146572U (en) | Novel bearing | |
| CN202441716U (en) | Large-tilt angle internal thread self-lubricating rod end joint bearing | |
| CN207485862U (en) | A kind of automobile wear-resistant bearing bush | |
| CN102011797B (en) | Micro flexible combined rolling bearing | |
| CN201255187Y (en) | Aligning plain bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130403 |