CN217177163U

CN217177163U - Slewing bearing in single-upright-column mooring production system

Info

Publication number: CN217177163U
Application number: CN202123379166.3U
Authority: CN
Inventors: 袁加宝; 商国伟; 张美玲; 刘永超; 孙绍成; 李庆庆; 芦泉龙
Original assignee: Shandong Kerui Oil And Gas Equipment Co ltd
Current assignee: Shandong Kerui Oil And Gas Equipment Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-12
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of and the gyration among the single point mooring system in the offshore oil engineering field supports bearing equipment technique and specifically relates to a gyration among single-upright mooring production system supports bearing, including bearing inner race and bearing inner race, the bearing inner race with be equipped with roller assembly between the bearing inner race, bearing inner race includes interconnect's upper portion inner circle and lower part inner circle, be equipped with the spacing collar on the inner wall of bearing inner race, roller assembly includes a plurality of first horizontal rollers, second horizontal roller and the vertical roller of third, and is a plurality of first horizontal roller level sets up first cavity, and is a plurality of the second horizontal roller level sets up the second cavity, and is a plurality of the vertical roller of third sets up perpendicularly the third cavity. The utility model discloses can bear axial load, the moment of overturning and radial load simultaneously, be applied to big axial load, rotate slowly, rotate slow occasion repeatedly.

Description

Slewing bearing in single-upright-column mooring production system

Technical Field

The utility model belongs to the technical field of the slewing bearing equipment among the single point mooring system in the offshore oil engineering field and specifically relates to a slewing bearing among single-upright mooring production system.

Background

The rotary support bearing is a support bearing capable of simultaneously bearing axial load, overturning moment and radial load. The slewing bearing is a novel machine part which is gradually developed along with the development of the mechanical industry in the world in the last 60 years, and the slewing bearing is gradually extended to the fields of transportation machinery, fans, metallurgical equipment, military equipment, rotating entertainment facilities and the like from being used for tower cranes, automobile cranes, excavators and the like. The development of rotary support products in China starts relatively late, namely, a certain scale is provided only in the late 70 s and early 80 s. At first, the largest usage amount in the market is the single-row four-point contact ball type slewing support, and the diameter of the roller path accounts for most of the roller path diameters of 500-1500 mm, so that with the development of engineering machinery, wind power generation and marine oil engineering, the slewing support product has increasingly increased demand and simultaneously provides higher requirements for the quality and the innovation of the product.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a slewing bearing among single-upright mooring production system has solved slewing bearing capacity poor and has rotated slow problem repeatedly.

The utility model provides a technical scheme that its technical problem adopted is: a rotary supporting bearing in a single-upright mooring production system comprises a bearing outer ring and a bearing inner ring, wherein a roller assembly is arranged between the bearing inner ring and the bearing outer ring, the bearing inner ring comprises an upper inner ring and a lower inner ring which are connected with each other, a limiting ring is arranged on the inner wall of the bearing outer ring, a first-level step, a second-level step and a third-level step are arranged on the outer wall of the upper inner ring, a fourth-level step and a fifth-level step are arranged on the outer wall of the lower inner ring, a first cavity, a second cavity and a third cavity are formed among the limiting ring, the first-level step, the second-level step, the third-level step, the fourth-level step and the fifth-level step, the roller assembly comprises a plurality of first horizontal rollers, a plurality of second horizontal rollers and a plurality of third vertical rollers, the first horizontal rollers are horizontally arranged in the first cavity, the second horizontal rollers are horizontally arranged in the second cavity, and a plurality of third vertical rollers are vertically arranged in the third cavity.

Preferably, a first sealing assembly is arranged at the contact position of the top surface of the bearing outer ring and the upper inner ring, and a second sealing assembly is arranged at the contact position of the bottom surface of the lower inner ring and the bearing outer ring.

Preferably, the first seal assembly comprises a first wear plate disposed between the bearing outer race and the upper inner race, a first pressure plate disposed at an inner edge of a top surface of the bearing outer race, and a first rotary seal disposed at an intersection of the first wear plate and the first pressure plate.

Preferably, the second seal assembly comprises a second wear plate arranged between the bearing outer ring and the lower inner ring, a second pressure plate arranged at the outer edge of the bottom surface of the lower inner ring, and a second rotary seal arranged at the intersection of the second wear plate and the second pressure plate.

Preferably, a first sealing ring and a second sealing ring are arranged between the upper inner ring and the lower inner ring, the sections of the first sealing ring and the second sealing ring are both 0-shaped, and the diameter of the first sealing ring is larger than that of the second sealing ring.

Preferably, the first horizontal roller, the second horizontal roller and the third vertical roller are all provided with a retainer.

Preferably, dust rings are arranged at the contact point of the first pressing plate and the upper inner ring and the contact point of the second pressing plate and the bearing outer ring.

The utility model has the advantages that: the utility model provides a pair of slewing bearing among single-upright mooring production system, can bear axial load simultaneously, moment of toppling and radial load, axial load and radial load are born by different rollers respectively, wherein axial load and the moment of toppling are born by the first horizontal roller and the second horizontal roller that the axis level was placed, radial load is born by the vertical roller of the perpendicular third of placing of axis, this device is the bearing that bearing capacity is the highest under the same overall dimension condition, be applied to big axial load, rotate slowly, rotate slow occasion repeatedly, the rotary seal contact surface and the bearing outer lane of this bearing, the bearing inner race is the components of a whole that can function independently structure, prevent that the relative motion in-process from hindering and the bearing body, the maintenance and the change in the later stage of also being convenient for.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a first sealing assembly of the present invention;

fig. 4 is a schematic structural view of a second sealing assembly of the present invention.

Wherein: 1. bearing inner race, 2, upper portion inner race, 3, bearing inner race, 4, lower part inner race, 5, spacing collar, 6, one-level step, 7, second grade step, 8, three-level step, 9, roller assembly, 10, level four step, 11, five-level step, 12, first cavity, 13, second cavity, 14, third cavity, 15, first horizontal roller, 16, second horizontal roller, 17, third vertical roller, 18, first seal assembly, 19, second seal assembly, 20, first antifriction plate, 21, first clamp plate, 22, first rotary seal, 23, second antifriction plate, 24, second clamp plate, 25, second rotary seal, 26, first sealing washer, 27, second sealing washer, 28, dust ring.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate that the directions of movement of the device or element are consistent with those of the drawings, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

As shown in fig. 1-4, a slewing support bearing in a single-column mooring production system comprises a bearing outer ring 1 and a bearing inner ring 3, wherein a part of the bearing outer ring 1 is positioned to facilitate the disassembly and positioning of a connecting part of the bearing outer ring 1, the bearing outer ring 1 is provided with an oil filling port to ensure the sufficient lubrication of a roller assembly 9, and the bottom of the bearing outer ring 1 is provided with a plurality of uniformly distributed waste oil and oil spilling discharge ports to facilitate the recovery of waste oil and oil spilling. A roller assembly 9 is arranged between the bearing inner ring 3 and the bearing outer ring 1, the bearing inner ring 3 comprises an upper inner ring 2 and a lower inner ring 4 which are connected with each other, and the upper inner ring 2 and the lower inner ring are positioned through a spigot and connected with a bolt, so that the transportation and the integral installation are facilitated; the inner holes of the two are provided with conicity, so that the disassembly and the assembly are convenient; the lower inner ring 4 is provided with a spigot, which is convenient for the disassembly and the positioning of the inner ring and the connecting part thereof. The inner wall of the bearing outer ring 1 is provided with a limiting ring 5, the outer wall of the upper inner ring 2 is provided with a first-stage step 6, a second-stage step 7 and a third-stage step 8, the outer wall of the lower inner ring 4 is provided with a fourth-stage step 10 and a fifth-stage step 11, a first cavity 12, a second cavity 13 and a third cavity 14 are formed among the limiting ring 5, the first-stage step 6, the second-stage step 7, the third-stage step 8, the fourth-stage step 10 and the fifth-stage step 11, the roller assembly 9 comprises a plurality of first horizontal rollers 15, second horizontal rollers 16 and third vertical rollers 17, and axial loads and overturning moments are borne by the first horizontal rollers 15 and the second horizontal rollers 16 which are horizontally arranged along the axis; the radial load is taken up by the third vertical roller 17 whose axis is vertically placed; the arrangement can realize 360-degree relative rotation of the inner ring and the outer ring under the condition of simultaneously bearing axial load, overturning moment and radial load. The first horizontal rollers 15 are horizontally arranged in the first cavity 12, the second horizontal rollers 16 are horizontally arranged in the second cavity 13, the third vertical rollers 17 are vertically arranged in the third cavity 14, and the first horizontal rollers 15, the second horizontal rollers 16 and the third vertical rollers 17 are provided with retainers.

The contact part of the top surface of the bearing outer ring 1 and the upper inner ring 2 is provided with a first sealing assembly 18, and the contact part of the bottom surface of the lower inner ring 4 and the bearing outer ring 1 is provided with a second sealing assembly 19.

The first sealing assembly 18 comprises a first wear-resisting plate 20 arranged between the bearing outer ring 1 and the upper inner ring 2, a first pressure plate 21 arranged at the inner edge of the top surface of the bearing outer ring 1, and a first rotary seal 22 arranged at the intersection point of the first wear-resisting plate 20 and the first pressure plate 21; the second sealing assembly 19 comprises a second wear-resisting plate 23 arranged between the bearing outer ring 1 and the lower inner ring 4, a second pressure plate 24 arranged at the outer edge of the bottom surface of the lower inner ring 4, and a second rotary seal 25 arranged at the intersection of the second wear-resisting plate 23 and the second pressure plate 24; dust rings 28 are arranged at the contact point of the first pressing plate 21 and the upper inner ring 2 and the contact point of the second pressing plate 24 and the bearing outer ring 1. The first wear-resisting plate 20 and the second wear-resisting plate 23 prevent the bearing inner ring 3 and the bearing outer ring 1 from being damaged in the relative movement with the rotary seal, and are convenient to slide and maintain; the dust ring 28 is arranged to prevent external impurities from entering and damaging the first rotary seal 22 and the second rotary seal 25, and one more layer of protection is provided for the interior of the device; the arrangement of the first rotary seal 22 and the second rotary seal 25 prevents the lubricating oil from overflowing and external impurities from entering the inside of the bearing; the first and

second platens

21, 24 are arranged to position a first rotary seal 22 and a second rotary seal 25, respectively, which are in contact sealing with a wiper 28 to protect the apparatus.

A first sealing ring 26 and a second sealing ring 27 are arranged between the upper inner ring 2 and the lower inner ring 4, the sections of the first sealing ring 26 and the second sealing ring 27 are both 0-shaped, and the diameter of the first sealing ring 26 is larger than that of the second sealing ring 27. The provision of the first and

second seals

26, 27 prevents oil spillage and seawater ingress.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a slewing bearing among single-upright-column mooring production system which characterized in that: comprises a bearing outer ring and a bearing inner ring, a roller assembly is arranged between the bearing inner ring and the bearing outer ring, the bearing inner ring comprises an upper inner ring and a lower inner ring which are connected with each other, a limit ring is arranged on the inner wall of the bearing outer ring, the outer wall of the upper inner ring is provided with a first-stage step, a second-stage step and a third-stage step, the outer wall of the lower inner ring is provided with a fourth-stage step and a fifth-stage step, a first cavity, a second cavity and a third cavity are formed among the limiting ring, the first-stage step, the second-stage step, the third-stage step, the fourth-stage step and the fifth-stage step, the roller assembly comprises a plurality of first horizontal rollers, a plurality of second horizontal rollers and a third vertical roller, wherein the first horizontal rollers are horizontally arranged in the first cavity, the second horizontal rollers are horizontally arranged in the second cavity, and the third vertical rollers are vertically arranged in the third cavity.

2. The slewing bearing in a single column mooring production system according to claim 1, wherein: the top surface of the bearing outer ring is provided with a first sealing assembly at the contact position with the upper inner ring, and the bottom surface of the lower inner ring is provided with a second sealing assembly at the contact position with the bearing outer ring.

3. The slewing bearing in a single column mooring production system according to claim 2, wherein: the first seal assembly comprises a first wear plate arranged between the bearing outer ring and the upper inner ring, a first pressure plate arranged on the inner edge of the top surface of the bearing outer ring, and a first rotary seal arranged at the intersection of the first wear plate and the first pressure plate.

4. The slewing bearing in a single column mooring production system according to claim 3, wherein: the second seal assembly comprises a second wear-resisting plate arranged between the bearing outer ring and the lower inner ring, a second pressing plate arranged on the outer edge of the bottom surface of the lower inner ring, and a second rotary seal arranged at the intersection of the second wear-resisting plate and the second pressing plate.

5. The slewing bearing in a single column mooring production system according to claim 4, wherein: and a first sealing ring and a second sealing ring are arranged between the upper inner ring and the lower inner ring, the sections of the first sealing ring and the second sealing ring are both 0-shaped, and the diameter of the first sealing ring is larger than that of the second sealing ring.

6. The slewing bearing in a single column mooring production system according to claim 5, wherein: and the first horizontal rollers, the second horizontal rollers and the third vertical rollers are all provided with a retainer.

7. The slewing bearing in a single column mooring production system according to claim 6, wherein: and dust rings are arranged at the contact point of the first pressing plate and the upper inner ring and the contact point of the second pressing plate and the bearing outer ring.