CN205401445U - Slewing main bearing of single -point mooring system - Google Patents
Slewing main bearing of single -point mooring system Download PDFInfo
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- CN205401445U CN205401445U CN201620163780.6U CN201620163780U CN205401445U CN 205401445 U CN205401445 U CN 205401445U CN 201620163780 U CN201620163780 U CN 201620163780U CN 205401445 U CN205401445 U CN 205401445U
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- floating bearing
- bearing inner
- described floating
- inner ring
- outer ring
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Abstract
The utility model discloses a slewing main bearing of single -point mooring system, include: gyration bearing inner race, it has a tooth -like structure in a plurality of, and tooth -like structure has a groove structure of rounding off between two liang in a plurality of, and gyration bearing inner race's outer circumference is provided with the two rings inclined plane that appears along whole outer circumference symmetry, gyration bearing inner race, it has a plurality of outer tooth -like structures, and is a plurality of outer tooth -like structure has the groove structure of rounding off between two liang, gyration bearing inner race cover is established in gyration bearing inner race's outside, and gyration bearing inner race's interior circumference is provided with the raceway, and a plurality of cylindrical roller, a plurality of cylindrical roller cross arrangements just partially imbed the raceway on annular sloped surface, gyration bearing inner race slides in the raceway through a plurality of cylindrical roller and realizes gyration bearing inner race and gyration bearing inner race sliding connections. The utility model discloses the beneficial effect who has the compactness of setting up, great support rigidity and gyration precision.
Description
Technical field
This utility model relates to the bearing that single point mooring system uses.More specifically, this utility model relates to a kind of rotary main shaft being used in single point mooring system situation and holds.
Background technology
Single point mooring system refers to that mooring ship freely turns round round single mooring point round the change of wind and ocean current along with the change of wind and ocean current, thus being constantly in the anchoring system of wind, wave, stream and power minimum position.Single point mooring system critical piece has: floating drum, spud leg, mooring cable, oil hose, fluid rotary head.Mono-point mooring buoy is fixed on seabed with 4～8 anchor chains, and floating drum has rotating disk and rotation seal joint.Oil storage barge is connected with rotating disk steel wire rope or the steel arm of single-point floating drum, can do 360 rotations, like weathercock, so as to be maintained at the orientation that stress is minimum.Crude oil enters oil storage barge from submerged pipeline rotation seal joint through single-point；Oil tanker is then transported outward from charge of oil oil storage barge.The floating drum of Single-point system there is a rotary main shaft hold.Rotary main shaft holds and is generally three-row cylinder roller combination bearing (the two horizontal roller of row or tappers, and the vertical roller placed of row), it is fixed on the pedestal of floating drum body rotating disk, but this kind of floating bearing is bulky, design structure is compact not, and difficult in maintenance and rigidity of support and rotating accuracy are not high enough.
Utility model content
A purpose of the present utility model is to solve at least the above and/or defect, and provides the advantage that at least will be described later.
This utility model is it is also an object that provide one design compact conformation, the rotary main shaft of easy to maintenance and rigidity of support and the high single point mooring system of rotating accuracy holds, it slides in the raceway that floating bearing outer ring is arranged realize being slidably connected between floating bearing by arranging, at the annular slope of floating bearing inner ring, multiple cylindrical rollers that intersecting angle is 45 degree, make design compact conformation, easy to maintenance, also improve rigidity of support and rotating accuracy that rotary main shaft holds simultaneously.
In order to realize according to these purposes of the present utility model and further advantage, it is provided that the rotary main shaft of a kind of single point mooring system holds, including:
Floating bearing inner ring, it has multiple internal-gear type structure, multiple described internal-gear type structures are spaced substantially equidistant in the inner periphery place of described floating bearing inner ring, multiple described internal-gear type structures have the groove structure of rounding off between any two, and the excircle of described floating bearing inner ring is symmetrically arranged with two annular slopes along whole excircle；
Floating bearing outer ring, it has multiple external tooth type structure, multiple described external tooth type structures are spaced substantially equidistant in the excircle place of described floating bearing outer ring, multiple described external tooth type structures have the groove structure of rounding off between any two, described floating bearing outer ring sleeve is located at the outside of described floating bearing inner ring, the inner periphery of described floating bearing outer ring is provided with raceway, the diameter of described floating bearing outer ring is more than the diameter of described floating bearing inner ring, and the height of described floating bearing outer ring is lower than the height of described floating bearing inner ring；And
Multiple cylindrical rollers, multiple described cylindrical rollers are arranged in a crossed manner on described annular slope and be partially submerged into described raceway；
Wherein, described floating bearing inner ring is slided in described raceway by multiple described cylindrical rollers and realizes described floating bearing inner ring and described floating bearing outer ring slidable connection.
Preferably, wherein, also including: the first sealing ring, it is arranged between the top of described floating bearing inner ring and the top of described floating bearing outer ring；Second sealing ring, itself and described first sealing ring are symmetricly set between the bottom of described floating bearing inner ring and the bottom of described floating bearing outer ring.
Preferably, wherein, the diameter of described floating bearing outer ring is 2.5～3.5 meters.
Preferably, wherein, the diameter of described floating bearing inner ring is 1.0～2.0 meters.
Preferably, wherein, the height of described floating bearing inner ring is 0.2～0.8 meter with the difference of the height of described floating bearing outer ring；
Preferably, wherein, the angle in the incisal plane of the excircle of two described annular slopes and described floating bearing inner ring is 10～30 degree.
Preferably, wherein, the angle that multiple described cylindrical rollers are arranged in a crossed manner is 45 degree.
Preferably, wherein, described floating bearing outer ring upper surface is evenly arranged with multiple through hole.
Preferably, wherein, described floating bearing inner ring upper surface is evenly arranged with multiple through hole.
This utility model at least includes following beneficial effect:
1, owing to sliding in the raceway that floating bearing outer ring is arranged and realize being slidably connected between floating bearing by arranging, at the annular slope of floating bearing inner ring, multiple cylindrical rollers that intersecting angle is 45 degree, therefore, it is possible to design compact conformation, easy to maintenance；
2, due to multiple cylindrical rollers formation crossed cylindrical roller arranged in a crossed manner, having higher dynamic load ability, the pre-interference that therefore this cylindrical roller intersection rotary main shaft holds can make base bearing have bigger rigidity of support and rotating accuracy；
3, owing to setting by crossed cylindrical roller being arranged on the annular slope of floating bearing inner ring, therefore, save installation space, save manufacture material, reduce manufacturing cost；
4, due between floating bearing inner ring and floating bearing outer ring top and the bottom sealing ring is set, this improves the sealing of bearing；
5, due to by the height of floating bearing inner ring more than floating bearing outer ring height structure is set, therefore, floating drum power in oscillation in the pitch mode is increased, can avoid under relatively severe sea condition, oil tanker, to the excited oscillation between collision and drift out of control and oil tanker and the floating drum of floating drum, improves the stability of anchoring system.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will by being understood by those skilled in the art research of the present utility model and practice.
Accompanying drawing explanation
Fig. 1 is the structural representation that in an embodiment of the present utility model, the rotary main shaft of single point mooring system holds；
Fig. 2 is the structural representation of front view in an embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", existence or the interpolation of other elements one or more or its combination do not allotted in " comprising " and " including " term.
Fig. 1 illustrates according to a kind of way of realization of the present utility model, wherein, and including:
Floating bearing inner ring 1, it has multiple internal-gear type structure 100, multiple described internal-gear type structures 100 are spaced substantially equidistant in the inner periphery place of described floating bearing inner ring 1, multiple described internal-gear type structures 100 have the groove structure 110 of rounding off between any two, the excircle of described floating bearing inner ring 1 is symmetrically arranged with two annular slopes 120 along whole excircle, arranging multiple internal-gear type structure, engaging stress effect is better, compact conformation；
nullFloating bearing outer ring 2，It has multiple external tooth type structure 200，Multiple described external tooth type structures 200 are spaced substantially equidistant in the excircle place of described floating bearing outer ring 2，Multiple described external tooth type structures 200 have the groove structure 210 of rounding off between any two，Described floating bearing outer ring 2 is set in the outside of described floating bearing inner ring 1，The inner periphery of described floating bearing outer ring 2 is provided with raceway，The diameter of described floating bearing outer ring 2 is more than the diameter of described floating bearing inner ring 1，The height of described floating bearing outer ring 2 is lower than the height of described floating bearing inner ring 1，So that the power that floating drum is in oscillation in the pitch mode increases，Can avoid under relatively severe sea condition，Oil tanker is to the excited oscillation between collision and drift out of control and oil tanker and the floating drum of floating drum，Improve the stability of anchoring system，Wherein，Arranging multiple external tooth type structure makes engaging stress effect better，Processing is simple；And
Multiple cylindrical rollers 3, multiple described cylindrical rollers are arranged in a crossed manner on described annular slope 120 and be partially submerged into described raceway, to form crossed cylindrical roller, having higher dynamic load ability, therefore this cylindrical roller 3 intersects the pre-interference that rotary main shaft holds base bearing can be made to have bigger rigidity of support and rotating accuracy；
Wherein, described floating bearing inner ring 1 is slided in described raceway by multiple described cylindrical rollers 3 and realizes the slidable connection of described floating bearing inner ring 1 and described floating bearing outer ring 2.
Wherein, described floating bearing outer ring 2 upper surface is evenly arranged with multiple through hole 220, by this through hole 220 structure realize rotary main shaft hold with other structures be accurately positioned installation.
Described floating bearing inner ring 1 upper surface is evenly arranged with multiple through hole 130, improves rotary main shaft further by through hole 130 structure and holds the accuracy of the location and installation with other structures, and axiality positions, accurate positioning, improves the stability that rotary main shaft holds.
In another kind of example, also including: the first sealing ring, it is arranged between the top of described floating bearing inner ring and the top of described floating bearing outer ring；Second sealing ring, itself and described first sealing ring are symmetricly set between the bottom of described floating bearing inner ring and the bottom of described floating bearing outer ring.Adopt this scheme to have the sealing improved between floating bearing inner ring and floating bearing outer ring, reduce and swing or the benefit of the impact of other resistances in rotation process.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.When implementing this utility model, it is possible to the enforcement aspect of sealing ring is set at other rational positions according to user demand.
A kind of implementation that the rotary main shaft of the single point mooring system in such scheme holds is: the diameter of described floating bearing outer ring is 2.5～3.5 meters, expands use scope, improves service life.
In another kind of example, the diameter of described floating bearing inner ring is 1.0～2.0 meters.
In another kind of example, the difference of the height of the height of described floating bearing inner ring and described floating bearing outer ring is 0.2～0.8 meter；So that the power that floating drum is in oscillation in the pitch mode increases, it is possible to avoid under relatively severe sea condition, oil tanker, to the excited oscillation between collision and drift out of control and oil tanker and the floating drum of floating drum, improves the stability of anchoring system.
In another kind of example, the angle in the incisal plane of the excircle of two described annular slopes and described floating bearing inner ring is 10～30 degree so that layout arranges compact, saves and manufactures material, reduces processing cost.
In another kind of example, multiple described cylindrical rollers angle arranged in a crossed manner is 45 degree, slide in the raceway that floating bearing outer ring is arranged realize being slidably connected between floating bearing by arranging, at the annular slope of floating bearing inner ring, multiple cylindrical rollers that intersecting angle is 45 degree, therefore, it is possible to design compact conformation, easy to maintenance.
As shown in Figure 2 according to the front view schematic diagram in a kind of embodiment of the present utility model, as can be seen from the figure the angle that multiple described cylindrical rollers 3 are arranged in a crossed manner is 45 degree, slide in the raceway that floating bearing outer ring 2 is arranged realize being slidably connected between floating bearing by arranging, at the annular slope of floating bearing inner ring 1, multiple cylindrical rollers 3 that intersecting angle is 45 degree, therefore, it is possible to design compact conformation, easy to maintenance.
Number of devices described herein and treatment scale are used to simplify explanation of the present utility model.Application, modifications and variations that the rotary main shaft of single point mooring system of the present utility model is held will be readily apparent to persons skilled in the art.
As mentioned above, according to this utility model, owing to sliding in the raceway that floating bearing outer ring is arranged and realize being slidably connected between floating bearing by arranging, at the annular slope of floating bearing inner ring, multiple cylindrical rollers that intersecting angle is 45 degree, therefore, it is possible to design compact conformation, easy to maintenance；Due to multiple cylindrical rollers formation crossed cylindrical roller arranged in a crossed manner, having higher dynamic load ability, the pre-interference that therefore this cylindrical roller intersection rotary main shaft holds can make base bearing have bigger rigidity of support and rotating accuracy；Owing to setting by crossed cylindrical roller being arranged on the annular slope of floating bearing inner ring, therefore, save installation space, save manufacture material, reduce manufacturing cost；Owing to top and the bottom arrange sealing ring between floating bearing inner ring and floating bearing outer ring, this improves the sealing of bearing；Due to by the height of floating bearing inner ring more than floating bearing outer ring height structure is set, therefore, floating drum power in oscillation in the pitch mode is increased, can avoid under relatively severe sea condition, oil tanker, to the excited oscillation between collision and drift out of control and oil tanker and the floating drum of floating drum, improves the stability of anchoring system.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, it is easily achieved other amendment.Therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (9)
1. the rotary main shaft of a single point mooring system holds, it is characterised in that including:
Floating bearing inner ring, it has multiple internal-gear type structure, multiple described internal-gear type structures are spaced substantially equidistant in the inner periphery place of described floating bearing inner ring, multiple described internal-gear type structures have the groove structure of rounding off between any two, and the excircle of described floating bearing inner ring is symmetrically arranged with two annular slopes along whole excircle；
Floating bearing outer ring, it has multiple external tooth type structure, multiple described external tooth type structures are spaced substantially equidistant in the excircle place of described floating bearing outer ring, multiple described external tooth type structures have the groove structure of rounding off between any two, described floating bearing outer ring sleeve is located at the outside of described floating bearing inner ring, the inner periphery of described floating bearing outer ring is provided with raceway, the diameter of described floating bearing outer ring is more than the diameter of described floating bearing inner ring, and the height of described floating bearing outer ring is lower than the height of described floating bearing inner ring；And
Multiple cylindrical rollers, multiple described cylindrical rollers are arranged in a crossed manner on described annular slope and be partially submerged into described raceway；
Wherein, described floating bearing inner ring is slided in described raceway by multiple described cylindrical rollers and realizes described floating bearing inner ring and described floating bearing outer ring slidable connection.
2. the rotary main shaft of single point mooring system as claimed in claim 1 holds, it is characterised in that also include:
First sealing ring, it is arranged between the top of described floating bearing inner ring and the top of described floating bearing outer ring；
Second sealing ring, itself and described first sealing ring are symmetricly set between the bottom of described floating bearing inner ring and the bottom of described floating bearing outer ring.
3. the rotary main shaft of the single point mooring system as according to any one of claim 1 or 2 holds, it is characterised in that the diameter of described floating bearing outer ring is 2.5～3.5 meters.
4. the rotary main shaft of single point mooring system as claimed in claim 1 holds, it is characterised in that the diameter of described floating bearing inner ring is 1.0～2.0 meters.
5. the rotary main shaft of single point mooring system as claimed in claim 1 holds, it is characterised in that the difference of the height of the height of described floating bearing inner ring and described floating bearing outer ring is 0.2～0.8 meter.
6. the rotary main shaft of single point mooring system as claimed in claim 1 holds, it is characterised in that the angle in the incisal plane of the excircle of two described annular slopes and described floating bearing inner ring is 10～30 degree.
7. the rotary main shaft of single point mooring system as claimed in claim 1 holds, it is characterised in that multiple described cylindrical rollers angle arranged in a crossed manner is 45 degree.
8. the rotary main shaft of single point mooring system as claimed in claim 1 holds, it is characterised in that described floating bearing outer ring upper surface is evenly arranged with multiple through hole.
9. the rotary main shaft of single point mooring system as claimed in claim 1 holds, it is characterised in that described floating bearing inner ring upper surface is evenly arranged with multiple through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163780.6U CN205401445U (en) | 2016-03-03 | 2016-03-03 | Slewing main bearing of single -point mooring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163780.6U CN205401445U (en) | 2016-03-03 | 2016-03-03 | Slewing main bearing of single -point mooring system |
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| Publication Number | Publication Date |
|---|---|
| CN205401445U true CN205401445U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620163780.6U Active CN205401445U (en) | 2016-03-03 | 2016-03-03 | Slewing main bearing of single -point mooring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266640A (en) * | 2021-04-30 | 2021-08-17 | 山东科瑞油气装备有限公司 | Main bearing system for single-upright-column mooring production system |
-
2016
- 2016-03-03 CN CN201620163780.6U patent/CN205401445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266640A (en) * | 2021-04-30 | 2021-08-17 | 山东科瑞油气装备有限公司 | Main bearing system for single-upright-column mooring production system |
| CN113266640B (en) * | 2021-04-30 | 2023-08-15 | 山东科瑞油气装备有限公司 | Main bearing system for single-column mooring production system |
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