CN201144958Y - Pairing angular contact ball bearing for aircraft rotor - Google Patents
Pairing angular contact ball bearing for aircraft rotor Download PDFInfo
- Publication number
- CN201144958Y CN201144958Y CNU2007200928909U CN200720092890U CN201144958Y CN 201144958 Y CN201144958 Y CN 201144958Y CN U2007200928909 U CNU2007200928909 U CN U2007200928909U CN 200720092890 U CN200720092890 U CN 200720092890U CN 201144958 Y CN201144958 Y CN 201144958Y
- Authority
- CN
- China
- Prior art keywords
- bearing
- framework oil
- races
- angular contact
- contact ball
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings 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
- F16C19/16—Bearings 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
- F16C19/163—Bearings 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 with angular contact
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
- F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact
- F16C19/543—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact in O-arrangement
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a paired angular contact ball bearing used for an aerocraft rotor wing, consisting of outer races (1), inner races (2), steel balls (3), turned solid cages (4) and framework oil seals (5). The bearing adopts an asymmetric separated structure that the outer races (1) of the steel balls (3), the turned solid cages (4) and the framework oil seals (5) can be installed with the inner races (2) respectively; the steel balls are closer to paired head faces of two bearings, and non-paired head faces are reserved with larger axial space for installing gasket races provided with the framework oil seals (5); and bared surfaces of the outer races (1) are subject to cadmium plating processing, except the inner diametral plane and the paired head faces. The bearing has the advantages of light weight, high reliability, small running friction torque and excellent anti-corrosion performance, and ensures that the produced bearing can completely meet working condition of use as bearing materials, sealing, designing and manufacturing process can reach domestic advanced level.
Description
Technical field
The utility model belongs to technical field of bearings, specially refers to a kind of aircraft rotor with matching angular contact ball bearing.
Background technique
Aviation is special with the bearing working condition, has a lot of restrictive conditions, and material, sealing, design and the manufacturing process of bearing all had very strict requirement, guarantees that produced bearing can satisfy the working condition of use fully.
Summary of the invention
At above-mentioned deficiency, the utility model proposes a kind of aircraft rotor with matching angular contact ball bearing, the pairing angular contact ball bearing that this bearing is in light weight, reliability is high, operation friction moment is little, have corrosion resistance.
For achieving the above object, the utility model has adopted following technological scheme:
Described aircraft rotor is to be made of outer ring, inner ring, steel ball, car system solid cage, outside framework oil seal with the pairing angular contact ball bearing, this bearing adopts asymmetric separate type, the outer ring that is steel ball, retainer and outside framework oil seal assembly can be installed respectively with inner ring, the end face that steel ball slightly matches near two bearings, end face in non-matching leaves bigger axial space, be used to install the seal ring that has outside framework oil seal, the outer ring exposed surface is except the end face of aperture surface and pairing, all carry out cadmium plating and handle, have corrosion resistance to guarantee bearing.Described aircraft rotor is φ 457.2 * φ 495.3 * 50.8 with pairing angular contact ball bearing boundary dimension, and wrapping angle is 30 °; Outer ring, inner ring wall thickness are about 6.3mm, and retainer 4 wall thickness are about 4.5mm.
Owing to adopt aforesaid technological scheme, the utlity model has following superiority:
1, aircraft necessarily requires with bearing that bearing is in light weight, intensity is high, operation friction moment is little, and requires bearing to have corrosion resistance.Based on the profound understanding to aviation restrictive condition and specific requirement, bearing material, sealing, design and manufacturing process can both reach advanced international level, guarantee that produced bearing can satisfy the working condition that uses fully.
2, the lightest with bearing weight is objective function, is constraint conditio with the intensity that guarantees the bearing parts each several part, by the computer optimization design, obtains the design main parameter of bearing weight each part of bearing when the lightest.
3, bearing adopts non-symmetry structure, and steel ball is slightly near the end face of two bearings pairings, leaves bigger axial space at the end face of non-matching, is used to install the seal ring that has skeleton, adopts contact seal, can not leak to guarantee bearing internal lubrication fat.
4, bearing exposed surface except the end face of aperture surface and pairing, all carries out cadmium plating and handles, and has corrosion resistance to guarantee bearing.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among Fig. 1: the 1-outer ring; The 2-inner ring; The 3-steel ball; The 4-retainer; The 5-outside framework oil seal.
Embodiment
As shown in Figure 1: described aircraft rotor is by outer ring 1 with the pairing angular contact ball bearing, inner ring 2, steel ball 3, car system solid cage 4, outside framework oil seal 5 constitutes, this bearing adopts asymmetric separate type, it is steel ball 3, the outer ring 1 of retainer 4 and outside framework oil seal 5 assemblies can be installed respectively with inner ring 2, the end face that steel ball slightly matches near two bearings, end face in non-matching leaves bigger axial space, be used to install the seal ring that has outside framework oil seal 5, outer ring 1 exposed surface is except the end face of aperture surface and pairing, all carry out cadmium plating and handle, have corrosion resistance to guarantee bearing.The utility model is applied to a kind of pairing angular contact ball bearing of helicopter main rotor head, and boundary dimension is φ 457.2 * φ 495.3 * 50.8, and wrapping angle is 30 °, can bear bigger axial force.Select the G10 level steel ball of S φ 12.7 for use, retainer 4 is selected brass car system solid cage structure for use, guidance mode is outer ring 1 guiding, guide clearance is about 1mm, the bearing both ends of the surface adopt and have outside framework oil seal 5 sealings, and the bearing exposed surface is except the end face of aperture surface and pairing, all carry out cadmium plating and handle, have corrosion resistance to guarantee bearing.Outer ring 1, inner ring 2 wall thickness are about 6.3mm, and retainer 4 wall thickness are about 4.5mm, because bearing accuracy requires height, the part wall thickness is extremely thin again, is easy to generate distortion in the course of working, and manufacture difficulty is bigger.
Claims (1)
1, a kind of aircraft rotor is with matching angular contact ball bearing, it is characterized in that: this bearing is by outer ring (1), inner ring (2), steel ball (3), car system solid cage (4), outside framework oil seal (5) constitutes, this bearing adopts asymmetric separate type, be steel ball (3), the outer ring (1) of car system solid cage (4) and outside framework oil seal (5) assembly can be installed respectively by same inner ring (2), steel ball (3) is near the end face of two bearing pairings, be provided with at the end face of non-matching and be used for installing the seal ring that has outside framework oil seal (5), described aircraft rotor is φ 457.2 * φ 495.3 * 50.8 with pairing angular contact ball bearing boundary dimension, and wrapping angle is 30 °; Outer ring, inner ring wall thickness are about 6.3mm, and retainer (4) wall thickness is about 4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200928909U CN201144958Y (en) | 2007-11-13 | 2007-11-13 | Pairing angular contact ball bearing for aircraft rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200928909U CN201144958Y (en) | 2007-11-13 | 2007-11-13 | Pairing angular contact ball bearing for aircraft rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201144958Y true CN201144958Y (en) | 2008-11-05 |
Family
ID=40081835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200928909U Expired - Fee Related CN201144958Y (en) | 2007-11-13 | 2007-11-13 | Pairing angular contact ball bearing for aircraft rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201144958Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418739A (en) * | 2011-08-19 | 2012-04-18 | 上海纳博特斯克液压有限公司 | Angular thrust ball bearing for hydraulic running gear reducer |
| CN106286581A (en) * | 2016-08-26 | 2017-01-04 | 洛阳轴研科技股份有限公司 | One assembles angular contact ball bearing |
| CN108397475A (en) * | 2018-06-05 | 2018-08-14 | 中国航发哈尔滨轴承有限公司 | A kind of pairing duplex angular contact thrust ball bearing |
| CN113153912A (en) * | 2021-03-19 | 2021-07-23 | 上海人本精密机械有限公司 | Precision assembled self-lubricating ball bearing |
-
2007
- 2007-11-13 CN CNU2007200928909U patent/CN201144958Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418739A (en) * | 2011-08-19 | 2012-04-18 | 上海纳博特斯克液压有限公司 | Angular thrust ball bearing for hydraulic running gear reducer |
| CN102418739B (en) * | 2011-08-19 | 2014-08-27 | 上海纳博特斯克液压有限公司 | Angular thrust ball bearing for hydraulic running gear reducer |
| CN106286581A (en) * | 2016-08-26 | 2017-01-04 | 洛阳轴研科技股份有限公司 | One assembles angular contact ball bearing |
| CN108397475A (en) * | 2018-06-05 | 2018-08-14 | 中国航发哈尔滨轴承有限公司 | A kind of pairing duplex angular contact thrust ball bearing |
| CN113153912A (en) * | 2021-03-19 | 2021-07-23 | 上海人本精密机械有限公司 | Precision assembled self-lubricating ball bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201144958Y (en) | Pairing angular contact ball bearing for aircraft rotor | |
| CN102147005A (en) | Input end of gear box of wind power generator | |
| CN204140417U (en) | A kind of small-sized Roots blower | |
| CN105782247B (en) | A kind of flange bearing device of lubricating by oneself | |
| CN201696521U (en) | Hydraulic clutch separation bearing on automobile clutch | |
| CN201991948U (en) | Needle roller bearing retainer | |
| CN201575058U (en) | Special sealed double-row cylindrical roller bearing for railways | |
| CN203756736U (en) | Self-aligning roller gear bearing | |
| CN203703068U (en) | Speed reducer rigid connecting flange assembly | |
| CN105465338A (en) | Axial-limiting antifriction structure | |
| CN202158076U (en) | Thrust cylinder roller bearing | |
| CN102221010A (en) | Bearing lubricating oil chamber structure for double suction pump | |
| CN206329740U (en) | A kind of sealed oily shelves of compression-resistant machinery | |
| CN204458840U (en) | A kind of high abrasion sliding bearing | |
| CN201696518U (en) | Hydraulic clutch separation bearing of small-output-volume automobile | |
| CN203641269U (en) | Novel bidirectional thrust angular contact ball bearing | |
| CN102506065A (en) | Drawn cup needle roller bearing | |
| CN202371003U (en) | Drawn cup needle roller bearing | |
| CN202940674U (en) | Sealing structure of rolling bearing | |
| CN202531644U (en) | Omniseal biserial cylindrical roller bearing with flange | |
| CN202326749U (en) | Bearing sealing structure | |
| CN214887885U (en) | Improved lower bearing assembly structure suitable for medium-sized submersible sewage pump | |
| CN209012373U (en) | Bearing insert, bearing arrangement and speed changer | |
| CN104455012A (en) | Precise escalator bearing | |
| CN203836207U (en) | Mechanical sealing device for stepped shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20151113 |
|
| EXPY | Termination of patent right or utility model |