CN204805329U - Oil -well rig carousel bearing assembly - Google Patents
Oil -well rig carousel bearing assembly Download PDFInfo
- Publication number
- CN204805329U CN204805329U CN201520285196.3U CN201520285196U CN204805329U CN 204805329 U CN204805329 U CN 204805329U CN 201520285196 U CN201520285196 U CN 201520285196U CN 204805329 U CN204805329 U CN 204805329U
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- CN
- China
- Prior art keywords
- roller
- bearing
- ring
- radial
- oil
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- 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
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Abstract
The utility model discloses a carousel bearing assembly that the oil -well rig was used, include: ring gear, sealing washer, the 1st sealing washer, the 2nd sealing washer are arranged roller, outer lane, the 2nd outer lane, the 1st holder, the 2nd holder, bolt, radial roller on, are arranged the roller down. The turntable bearing go up to arrange roller and lower row roller give first place to respectively thrust and counter motive force roller, mainly used bears axial force and overturning moment, adoption sectional type holder, radial roller, mainly used bear radial load, adopt the form of completely adorning. Three rows of rollers combination turntable bearings, its roller nominal diameter goes up and arranges / lower row / radial recommendation and make up and be: 25 20 16, 322520, 403225, 453225, 504025. The utility model provides a bearing arrangement can relatively good applicable oil development work, and improve its bearing capacity and life.
Description
Technical field
The utility model relates to a kind of oil-well rig turntable bearing assembly, belongs to the bearing technology of field of petroleum exploitation.
Background technique
Oil-well rig is one group of very complicated large sized complete sets of equipment, except for except the oil on general land, gas drilling, is also applied in the drilling well in the areas such as desert, high and cold, plateau, marsh, shoal, ocean.Turntable bearing is the vitals of rig rotating machinery.Because it will work under the working environment that dust storm, low temperature, seawater corrosion, alluvion etc. are severe, not only require that there is enough intensity and bearing capacity, also will operate steadily, safe and reliable, lubrication and good seal performance.
Model utility content
The utility model, for these technical requirementss above-mentioned, designs a kind of oil-well rig turntable bearing assembly that a kind of bearing capacity and life-span be all applicable in petroleum production rugged environment.For achieving the above object, the utility model provides the technological scheme of corresponding oil-well rig turntable bearing assembly:
A kind of oil-well rig turntable bearing adopts three-row roller structure, comprising: ring gear, contact sealing ring, the 1st seal ring, the 2nd seal ring, upper row roller, outer ring, the 2nd outer ring, the 1st retainer, the 2nd retainer, bolt, radial roller, lower row roller.Upper row roller and the lower row roller of described turntable bearing are respectively main thrust and reaction thrust roller, are mainly used in bearing axial force and tilting moment, adopt sectional type retainer; Described radial roller, is mainly used in bearing radial load, adopts and completely fills form.Described three-row of running pulleys combined turntable bearing, on its nominal diameter of a roller, row/lower row/radial recommendation is combined as: 25/20/16,32/25/20,40/32/25,45/32/25,50/40/25.Also computer can be utilized to be optimized according to the boundary dimension of bearing and inside and outside circle mounting hole center-diameter to obtain.Consider the work under bad environment of oil-drill bearing, bearing adopts combined seal structure.Bearing upper end adopts two seal rings, and bearing lower end adopts a contact sealing ring.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of oil-well rig turntable bearing assembly.
Fig. 2 is the schematic cross-section of oil-well rig turntable bearing component sealing circle.
Embodiment
Refer to Fig. 1, in the utility model embodiment, a turntable bearing assembly for oil-well rig, comprises ring gear 1, the 2nd seal ring 2, the 1st seal ring 3, upper row roller 4, outer ring 5, the 1st retainer 6, bolt 7, radial roller 8, the 2nd outer ring 9, the 2nd retainer 10, lower row roller 11, contact sealing ring 12.
Upper row roller 4 and the lower row roller 11 of described turntable bearing are respectively main thrust and reaction thrust roller, are mainly used in bearing axial force and tilting moment, adopt sectional type retainer.Described radial roller 7, is mainly used in bearing radial load, adopts and completely fills form.Described three-row of running pulleys combined turntable bearing, on its nominal diameter of a roller, row/lower row/radial recommendation is combined as: 25/20/16,32/25/20,40/32/25,45/32/25,50/40/25.Also computer can be utilized to be optimized according to the boundary dimension of bearing and inside and outside circle mounting hole center-diameter to obtain.
Described upper row roller 4 and lower row roller 11 adopt sectional type retainer to separate, and material is cast aluminium, and 6 pocket holes on every section of retainer, minimum deck-siding should be greater than 6mm.
Described outer ring 5 is connected by 16 connecting bolts, inner wrap strip tooth, and inside and outside circle respectively has 96 mounting holes uniform; Adopt combined labyrinth and carbon gland form.
Described 1st seal ring 3 is located in the seal groove of ring gear 1 end face, and contact lip contacts with outer ring 5 internal surface; 2nd seal ring 2 is located in the seal groove of outer ring 5 internal surface, and the lower end of contact lip, generally within 1/2 place of the 1st seal ring 3 total height, forms combined seal structure; Bearing lower end adopts a contact sealing ring 12, locates in the seal groove of ring gear 1 outer surface, the lower end of contact lip and the 2nd outer ring 9 end contact.
As further program of the utility model: the material of described bearing outer ring and bolt 7, select 42CrMo medium carbon alloy steel as landing component, make it have good wear resistance, impact toughness and resist and degrade ability, also will have good hardening capacity and suitable hardenability.
As further program of the utility model: described bearing roller material select the regulation that should meet GB/T18254, thermal treatment quality should meet the regulation of JB/T1255.
As the utility model further scheme: described seal ring adopts oil resistant rubber to make, and during assembling, it is evenly divided into several parts, circumferentially embeds in the seal groove of lasso, the joint of tail end can bond with glue (also non-sticking conjunction).Stamping Steel Ribbon has a small amount of interference in groove, and has semicircular projection, and can prevent Stamping Steel Ribbon from deviating from, the sectional shape of its seal ring as shown in Figure 2.
In conjunction with prior art, the utility model can be different according to the working condition of oil-well rig, flexible configuration is carried out to the requirement of turntable bearing, select rational structural type, take personalized design analysis and carry out bearing capacity and the strength check of bearing and associated components, to meet the usability requirement of main frame, improving the working life of bearing, strengthen safety coefficient, strengthen the strength coefficient of gear.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (3)
1. an oil-well rig turntable bearing assembly, it comprises: ring gear (1), 2nd seal ring (2), 1st seal ring (3), upper row roller (4), outer ring (5), 1st retainer (6), bolt (7), radial roller (8), 2nd outer ring (9), 2nd retainer (10), lower row roller (11), contact sealing ring (12), it is characterized in that upper row roller (4) and the lower row roller (11) of described turntable bearing assembly are respectively main thrust roller and reaction thrust roller, be mainly used in bearing axial force and tilting moment, adopt sectional type retainer, described radial roller (8), is mainly used in bearing radial load, and adopt and completely fill form, bearing upper end adopts two contact sealing rings, and bearing lower end adopts a contact sealing ring.
2. a kind of oil-well rig turntable bearing assembly according to claim 1, it is characterized in that, three-row of running pulleys combined turntable bearing, row on its nominal diameter of a roller/lower row/radial recommendation is combined as: 25/20/16,32/25/20,40/32/25,45/32/25,50/40/25, it utilizes computer to be optimized according to the boundary dimension of bearing and inside and outside circle (5) mounting hole center-diameter to obtain.
3. a kind of oil-well rig turntable bearing assembly according to claim 1, it is characterized in that, 1st seal ring (3) is located in the seal groove of ring gear (1) end face, contact lip contacts with outer ring (5) internal surface, 2nd seal ring (2) is located in the seal groove of outer ring (5) internal surface, contact 1/2 place of lower end generally within the 1st seal ring total height of lip, form combined seal structure, bearing lower end contact sealing ring (12) is located in the seal groove of ring gear (1) outer surface, the lower end of contact lip and the 2nd outer ring (9) end contact, the sectional shape of seal ring is that two ends have the three semicircular projections in road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520285196.3U CN204805329U (en) | 2015-05-06 | 2015-05-06 | Oil -well rig carousel bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520285196.3U CN204805329U (en) | 2015-05-06 | 2015-05-06 | Oil -well rig carousel bearing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204805329U true CN204805329U (en) | 2015-11-25 |
Family
ID=54590162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520285196.3U Expired - Fee Related CN204805329U (en) | 2015-05-06 | 2015-05-06 | Oil -well rig carousel bearing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204805329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575482A (en) * | 2016-06-08 | 2018-01-12 | 斯凯孚公司 | Revolution roller bearing with sealing arrangement |
| CN111853053A (en) * | 2019-04-26 | 2020-10-30 | 斯凯孚公司 | Rolling bearing, in particular large-diameter rolling bearing |
-
2015
- 2015-05-06 CN CN201520285196.3U patent/CN204805329U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575482A (en) * | 2016-06-08 | 2018-01-12 | 斯凯孚公司 | Revolution roller bearing with sealing arrangement |
| CN107575482B (en) * | 2016-06-08 | 2020-07-03 | 斯凯孚公司 | Rotary roller bearing with sealing arrangement |
| AU2017202100B2 (en) * | 2016-06-08 | 2022-06-16 | Aktiebolaget Skf | Slewing roller bearing with sealing arrangement |
| CN111853053A (en) * | 2019-04-26 | 2020-10-30 | 斯凯孚公司 | Rolling bearing, in particular large-diameter rolling bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| DD01 | Delivery of document by public notice |
Addressee: Guan Ying Document name: Notification of Passing Examination on Formalities |
|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |