CN109899381B - Water-lubricated thrust bearing - Google Patents
Water-lubricated thrust bearing Download PDFInfo
- Publication number
- CN109899381B CN109899381B CN201910101310.5A CN201910101310A CN109899381B CN 109899381 B CN109899381 B CN 109899381B CN 201910101310 A CN201910101310 A CN 201910101310A CN 109899381 B CN109899381 B CN 109899381B
- Authority
- CN
- China
- Prior art keywords
- lantern ring
- thrust
- ring
- groove
- thrust bearing
- 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.)
- Active
Links
Images
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a water lubrication thrust bearing, and belongs to the technical field of bearings. Thrust bearing includes the lantern ring and thrust piece, be equipped with annular recess on the side of the lantern ring, equal spaced is provided with a plurality of flutings on the inward flange of the lantern ring and the outward flange, each fluting all follows the radial of the lantern ring and stretches, and fluting on the inward flange of the lantern ring and the fluting one-to-one coaxial arrangement on the outward flange of the lantern ring, the thrust piece is fan-shaped structure, and all be equipped with the cylindric lock on the interior cambered surface of thrust piece and the outer cambered surface, the cylindric lock on the interior cambered surface of thrust piece rotationally cartridge in the fluting on the inward flange of the lantern ring, the cylindric lock on the outer cambered surface of thrust piece rotationally cartridge in the fluting on the outward flange of the lantern ring, be equipped with hemispherical arch on the side of thrust piece orientation grooved underside, the arch offsets with the bottom. The invention can improve the reliability of the water lubrication thrust bearing.
Description
Technical Field
The invention belongs to the technical field of bearings, and particularly relates to a water lubrication thrust bearing.
Background
The thrust bearing is a bearing for bearing axial force, and is widely applied to various products such as ships and water pumps.
The water lubrication thrust bearing is one of thrust bearings, and mainly comprises a thrust bush and a thrust bearing seat, wherein the thrust bush consists of an elastic layer and a nonmetal wear-resistant layer, the nonmetal wear-resistant layer is fixed on the thrust bearing seat through the elastic layer, and the elastic layer is of a wedge-shaped structure. When thrust tile atress, because the wedge structure of elastic layer, so the elastic deformation that the elastic layer took place everywhere is different for can form the wedge space that is favorable to the water film to establish voluntarily between thrust bearing frame and the nonmetal antifriction layer, in order to play lubricated and sealed effect.
However, because of the working environment of the water lubrication thrust bearing, the elastic layer is in contact with water for a long time and then reacts with oxygen, so that the elasticity of the elastic layer is reduced, the formation of a wedge-shaped space is influenced, and finally, a water film cannot be formed, so that the water lubrication thrust bearing cannot work normally.
Disclosure of Invention
The embodiment of the invention provides a water-lubricated thrust bearing, which improves the reliability of the water-lubricated thrust bearing. The technical scheme is as follows:
the embodiment of the invention provides a water lubrication thrust bearing, which comprises a sleeve ring and a thrust block, wherein one side surface of the sleeve ring is provided with an annular groove, the groove and the sleeve ring are coaxially arranged, a plurality of grooves are arranged on the inner edge and the outer edge of the sleeve ring at intervals, each groove extends along the radial direction of the sleeve ring, the grooves on the inner edge of the sleeve ring and the grooves on the outer edge of the sleeve ring are coaxially arranged in a one-to-one correspondence manner, the thrust block is a fan-shaped structural member, cylindrical pins are arranged on the inner arc surface and the outer arc surface of the thrust block, the cylindrical pins on the inner arc surface of the thrust block are rotatably inserted in the grooves on the inner edge of the sleeve ring, the cylindrical pins on the outer arc surface of the thrust block are rotatably inserted in the grooves on the outer edge of the sleeve ring, and one side surface of the thrust block, which faces the bottom surface of, the bulges are abutted against the bottom surfaces of the grooves, and the bulges are not symmetrically arranged relative to the axes of the two cylindrical pins.
In an implementation manner of the present invention, a first open slot is provided on one side surface of the collar, the first open slot extends along the circumferential direction of the outer edge of the collar, an outer ring is installed in the first open slot, and the outer ring abuts against a cylindrical pin on the outer arc surface of the thrust block.
In another implementation manner of the present invention, a first open slot is provided on one side surface of the collar, the first open slot extends along the circumferential direction of the outer edge of the collar, an outer ring is installed in the first open slot, and the outer ring abuts against the cylindrical pin on the outer arc surface of the thrust block.
In yet another implementation of the present invention, the sidewall of the outer ring is in an interference fit with the sidewall of the first open slot.
In yet another implementation of the present invention, the side wall of the inner ring is in interference fit with the side wall of the second open groove.
In yet another implementation of the present invention, the thrust pad includes a pad body and a pad surface, the pad body and the pad surface are connected together, the pad body is located in the groove, and the pad surface is arranged toward the thrust shaft.
In yet another embodiment of the present invention, the contact surface of the tile body and the tile surface is coated with glue.
In another implementation manner of the invention, a blind hole is formed on the tile body, a boss is arranged on the tile surface, and the boss is fixedly installed in the blind hole.
In yet another implementation of the present invention, the tile surface is made of a polymer material.
In another implementation manner of the invention, a mounting hole is arranged between two adjacent thrust blocks on the collar.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
through setting up the lantern ring into annular structure, set up the recess on the lantern ring, the recess extends along the circumferencial direction of the lantern ring, and thrust block be with the fan-shaped structure of recess clearance fit for thrust block can install in the recess of the lantern ring. Through the equal spaced fluting that sets up respectively on the interior outer lane of the lantern ring, fluting on the interior outer lane is arranged along the radial of the lantern ring, and be equipped with the cylindric lock of rotationally cartridge in the fluting on the interior outer arc face of thrust piece, be equipped with hemispherical arch on the face of thrust piece and the contact of lantern ring recess bottom, and the arch is not about the axis symmetric arrangement at two cylindric locks places, make the relative lantern ring bottom slope of thrust piece arrange and can the lantern ring swing relatively, when rivers fluctuate or have the impact, the thrust piece can automatic adjustment position and angle, prevent that the water film from destroying, and at thrust piece and thrust shaft interact and wearing and tearing make the thickness attenuation of thrust piece, make the space that rivers got into diminish, because thrust bearing structure self slope, when the thrust shaft restarts, the water film still can effectual formation, the work that the thrust bearing can be reliable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic illustration of an installation of a water lubricated thrust bearing provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a collar provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a thrust block provided in an embodiment of the present invention;
FIG. 4 is a schematic view of the thrust block according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a thrust block provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a water-lubricated thrust bearing provided by an embodiment of the invention.
The symbols in the drawings represent the following meanings:
100-thrust bearing, 200-thrust shaft, 1-lantern ring, 11-groove, 12-groove, 13-first open groove, 14-second open groove, 15-mounting hole, 2-thrust block, 21-cylindrical pin, 22-bulge, 23-tile body, 231-blind hole, 24-tile surface, 241-boss, 3-outer ring and 4-inner ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
An embodiment of the present invention provides a water-lubricated thrust bearing, as shown in fig. 1, which includes a collar 1 and a thrust block 2,
fig. 2 is a schematic structural diagram of the lantern ring, and with reference to fig. 2, in this embodiment, an annular groove 11 is provided on one side surface of the lantern ring 1, the groove 11 is arranged coaxially with the lantern ring 1, a plurality of slots 12 are provided at intervals on the inner edge and the outer edge of the lantern ring 1, each slot 12 extends along the radial direction of the lantern ring 1, and the slots 12 on the inner edge of the lantern ring 1 and the slots 12 on the outer edge of the lantern ring 1 are arranged coaxially in a one-to-one correspondence manner.
Fig. 3 is a schematic structural diagram of a thrust block, and with reference to fig. 3, in this embodiment, the thrust block 2 is a fan-shaped structural member, and cylindrical pins 21 are respectively disposed on an inner arc surface and an outer arc surface of the thrust block 2, the cylindrical pins 21 on the inner arc surface of the thrust block 2 are rotatably inserted into the slots 12 on the inner edge of the collar 1, the cylindrical pins 21 on the outer arc surface of the thrust block 2 are rotatably inserted into the slots 12 on the outer edge of the collar 1, a hemispherical protrusion 22 is disposed on a side surface of the thrust block 2 facing the bottom surface of the groove 11, the protrusion 22 abuts against the bottom surface of the groove 11, and the protrusion 22 is not symmetrically disposed about an axis where the two cylindrical pins 21 are located.
Through setting up the lantern ring 1 to the loop configuration, set up recess 11 on the lantern ring 1, recess 11 extends along the circumferencial direction of lantern ring 1, and thrust block 2 is the fan-shaped structure with recess 11 clearance fit for thrust block 2 can be installed in the recess 11 of lantern ring 1. The notches 12 are respectively arranged on the inner ring and the outer ring of the lantern ring 1 at equal intervals, the notches 12 on the inner ring and the outer ring are arranged along the radial direction of the lantern ring 1, the cylindrical pins 21 which are rotatably inserted into the notches 12 are arranged on the inner arc surface and the outer arc surface of the thrust block 2, the hemispherical bulges 22 are arranged on the surface of the thrust block 2, which is contacted with the bottom end of the groove 11 of the lantern ring 1, and the bulges 22 are not symmetrically arranged relative to the axis of the two cylindrical pins 21, so that the thrust block 2 is obliquely arranged relative to the bottom of the lantern ring 1 and can swing relative to the lantern ring 1, when water flow fluctuates or has impact, the position and the angle of the thrust block 2 can be automatically adjusted to participate in figure 4 to prevent the water film from being damaged, and the thickness of the thrust block 2 becomes thinner due to the mutual interaction between the thrust block 2 and the thrust shaft 200, so that the space for the water, the thrust bearing 100 can operate reliably.
Referring to fig. 2 again, in this embodiment, a first opening groove 13 is provided on one side surface of the collar 1, the first opening groove 13 extends along the circumferential direction of the outer edge of the collar 1, an outer ring 3 is installed in the first opening groove 13, and the outer ring 3 abuts against a cylindrical pin 21 on the outer arc surface of the thrust block 2.
In the above implementation manner, the outer ring 3 can limit the cylindrical pin 21 on the outer arc surface of the thrust block 2, so that the thrust block 2 is prevented from being loosened from the sleeve ring 1 in the use process.
Illustratively, the sidewall of the outer ring 3 is interference fit with the sidewall of the first open groove 13.
In this way, the outer ring 3 can be stably installed in the first open groove 13 to prevent the outer ring 3 from coming out of the first open groove 13.
In this embodiment, a side surface of the collar 1 is provided with a second opening groove 14, the second opening groove 14 extends along the circumferential direction of the inner edge of the collar 1, an inner ring 4 is installed in the second opening groove 14, and the inner ring 4 abuts against the cylindrical pin 21 on the inner arc surface of the thrust block 2.
In the above-mentioned implementation, can carry out spacing to cylindric lock 21 on the interior cambered surface of thrust piece 2 through inner ring 4, prevent that thrust piece 2 from taking off with lantern ring 1 pine in the use.
Illustratively, the side wall of the inner ring 4 is in interference fit with the side wall of the second open groove 14.
In this way, the inner ring 4 can be stably installed in the second opening groove 14 to prevent the inner ring 4 from falling out of the second opening groove 14.
In this embodiment, the peripheral edges of the thrust block 2 are all in a round corner structure.
In above-mentioned implementation, because the edge all around of thrust piece 2 is the fillet structure, be favorable to the stable formation of water film, and can prevent the edge scraping wearing and tearing of thrust piece 2.
Fig. 5 is a cross-sectional view of a pad, and referring to fig. 5, in this embodiment, the pad 2 includes a pad body 23 and a pad surface 24, the pad body 23 and the pad surface 24 are connected together, the pad body 23 is located in the groove 11, and the pad surface 24 is arranged toward the thrust shaft 200.
In the above implementation, the shoe 23 is used to provide a mounting base for the shoe 24, and the shoe 24 is used to contact the thrust shaft 200 to form a water film for lubricating the seal.
Illustratively, the contact surfaces of the tile body 23 and the tile face 24 are coated with glue.
Thus, the tile body 23 and the tile surface 24 can be connected into a whole, so as to ensure the connection firmness between the tile body 23 and the tile surface 24.
Optionally, the shingles 24 are polymeric materials.
This provides the shoe 24 with good wear characteristics, preventing wear of the shoe 24 over time.
It should be noted that, in other embodiments, the material of the tile surface 24 may be selected according to actual requirements, for example, silicon oxide, ceramic wear-resistant material, etc., which is not limited by the invention.
Optionally, a blind hole 231 is formed in the tile body 23, a boss 241 is formed on the tile surface 24, and the boss 241 is fixedly installed in the blind hole 231.
In the above implementation, the blind hole 231 and the boss 241 may be in an interference fit, and the tile body 23 and the tile surface 24 may be assembled together in a cold sleeve manner.
Fig. 6 is a schematic structural diagram of a water-lubricated thrust bearing, and referring to fig. 6, in this embodiment, a mounting hole 15 is provided between two adjacent thrust blocks 2 on a collar 1, and the mounting hole 15 is used for fixedly mounting the thrust bearing 100.
In the above embodiment, the thrust bearing 100 can be fixedly mounted on the hull by inserting bolts into the mounting holes 15 by providing the mounting holes 15 between the two adjacent thrust pieces 2 on the collar 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a water lubricated thrust bearing, its characterized in that, thrust bearing (100) is including the lantern ring (1) and thrust piece (2), be equipped with annular recess (11) on the side of the lantern ring (1), recess (11) with lantern ring (1) coaxial arrangement, the bottom surface of recess (11) is the plane, equal spaced being provided with a plurality of flutings (12) on the inward flange of the lantern ring (1) and the outward flange, each fluting (12) all are followed the radial of the lantern ring (1) is followed and is stretched, just fluting (12) on the inward flange of the lantern ring (1) with fluting (12) on the outward flange of the lantern ring (1) one-to-one coaxial arrangement, thrust piece (2) are fan-shaped structure spare, just all be equipped with cylindric lock (21) on the inner arc face and the outer arc face of thrust piece (2), cylindric lock (21) on the inner arc face of thrust piece (2) rotationally cartridge is in opening on the inward flange of lantern ring (1) In the groove (12), a cylindrical pin (21) on the outer arc surface of the thrust block (2) is rotatably inserted into the groove (12) on the outer edge of the lantern ring (1), the thrust block (2) faces towards one side surface of the bottom surface of the groove (11) and is provided with a hemispherical bulge (22), the bulge (22) is abutted to the bottom surface of the groove (11), the bulge (22) is not symmetrically arranged about the axis where the cylindrical pin (21) is located, a first open groove (13) is arranged on one side surface of the lantern ring (1), the first open groove (13) is extended along the circumferential direction of the outer edge of the lantern ring (1), an outer ring (3) is installed in the first open groove (13), the outer ring (3) is abutted to the cylindrical pin (21) on the outer arc surface of the thrust block (2), and a second open groove (14) is arranged on one side surface of the lantern ring (1), the second open slot (14) is followed the inward flange circumference of the lantern ring (1) is along stretching, install inner ring (4) in second open slot (14), inner ring (4) with cylindric lock (21) on the interior cambered surface of thrust block (2) offset, the lateral wall of outer ring (3) with the lateral wall interference fit of first open slot (13), the lateral wall of inner ring (4) with the lateral wall interference fit of second open slot (14).
2. A thrust bearing according to claim 1, wherein the thrust block (2) comprises a pad body (23) and a pad face (24), the pad body (23) and the pad face (24) being connected together, the pad body (23) being located in the groove (11), the pad face (24) being arranged towards the thrust shaft (200).
3. A thrust bearing according to claim 2, wherein the contact surfaces of the pads (23) and the pads (24) are coated with glue.
4. A thrust bearing according to claim 2, wherein said pad body (23) is provided with a blind hole (231), said pad face (24) is provided with a boss (241), and said boss (241) is fixedly mounted in said blind hole (231).
5. A thrust bearing according to claim 2, wherein the pad face (24) is of a polymeric material.
6. A thrust bearing according to claim 1, wherein a mounting hole (15) is provided in the collar (1) between each adjacent two of the pads (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101310.5A CN109899381B (en) | 2019-01-31 | 2019-01-31 | Water-lubricated thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101310.5A CN109899381B (en) | 2019-01-31 | 2019-01-31 | Water-lubricated thrust bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109899381A CN109899381A (en) | 2019-06-18 |
| CN109899381B true CN109899381B (en) | 2021-04-09 |
Family
ID=66944635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910101310.5A Active CN109899381B (en) | 2019-01-31 | 2019-01-31 | Water-lubricated thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109899381B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576611B (en) * | 2020-12-17 | 2022-05-13 | 哈尔滨电气动力装备有限公司 | Water lubrication thrust tile lateral elastic baffle limiting structure |
| CN114104244B (en) * | 2021-12-06 | 2023-06-23 | 上海涟屹轴承科技有限公司 | Thrust bearing structure for ship |
| CN114382782B (en) * | 2021-12-20 | 2024-02-20 | 哈尔滨电气动力装备有限公司 | Water lubrication structure for water lubrication thrust tile surface water tank |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829180A (en) * | 1973-04-16 | 1974-08-13 | Waukesha Bearings Corp | Pad construction for tilting pad thrust bearing |
| EP0420478A3 (en) * | 1989-09-26 | 1992-03-04 | Delaware Capital Formation Inc. | Low flow tilting pad thrust bearing |
| JPH05231423A (en) * | 1992-02-18 | 1993-09-07 | Mitsubishi Heavy Ind Ltd | Thrust bearing of tilting pad type |
| CN2714882Y (en) * | 2004-07-30 | 2005-08-03 | 吴其江 | Unbalanced tilting-pad thrust bearing |
| CN202867556U (en) * | 2012-09-17 | 2013-04-10 | 佳木斯大学 | Tiltable-bushing water-lubricating thrust bearing |
| CN105003528A (en) * | 2015-07-24 | 2015-10-28 | 哈尔滨电气动力装备有限公司 | Linkage type self-balancing water-lubricated thrust bearing |
| CN109253159A (en) * | 2018-09-28 | 2019-01-22 | 中国船舶重工集团公司第七0三研究所 | Gas Turbine Power turbine reversely supports central bearing point tilting bush slide thrust bearing |
-
2019
- 2019-01-31 CN CN201910101310.5A patent/CN109899381B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829180A (en) * | 1973-04-16 | 1974-08-13 | Waukesha Bearings Corp | Pad construction for tilting pad thrust bearing |
| EP0420478A3 (en) * | 1989-09-26 | 1992-03-04 | Delaware Capital Formation Inc. | Low flow tilting pad thrust bearing |
| JPH05231423A (en) * | 1992-02-18 | 1993-09-07 | Mitsubishi Heavy Ind Ltd | Thrust bearing of tilting pad type |
| CN2714882Y (en) * | 2004-07-30 | 2005-08-03 | 吴其江 | Unbalanced tilting-pad thrust bearing |
| CN202867556U (en) * | 2012-09-17 | 2013-04-10 | 佳木斯大学 | Tiltable-bushing water-lubricating thrust bearing |
| CN105003528A (en) * | 2015-07-24 | 2015-10-28 | 哈尔滨电气动力装备有限公司 | Linkage type self-balancing water-lubricated thrust bearing |
| CN109253159A (en) * | 2018-09-28 | 2019-01-22 | 中国船舶重工集团公司第七0三研究所 | Gas Turbine Power turbine reversely supports central bearing point tilting bush slide thrust bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109899381A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109899381B (en) | Water-lubricated thrust bearing | |
| US7422373B2 (en) | Spherical roller bearing sealing assembly | |
| US4547081A (en) | Dynamic pressure type fluid bearing | |
| US20040026867A1 (en) | Bearing seal | |
| JP5606972B2 (en) | Slewing bearing seal structure and slewing bearing | |
| US4755067A (en) | Seal for spherical rolling bearings | |
| US9494197B2 (en) | Method for replacing sealing elements on a rolling bearing assembly and set of sealing elements | |
| JP2016223460A (en) | Seal structure of slewing bearing and slewing bearing | |
| US20060233476A1 (en) | Ball bearing | |
| CN102135135B (en) | Combined bearing | |
| CN211501282U (en) | Rod end joint bearing structure capable of improving swing angle | |
| US20090011841A1 (en) | Thrust washer for universal joint cross | |
| KR102187666B1 (en) | Air foil journal bearing | |
| CN211175004U (en) | Self-aligning bearing | |
| WO2012128103A1 (en) | Seal structure for slewing bearing, and slewing bearing | |
| CN201963729U (en) | Combined bearing | |
| CN108443330B (en) | A kind of sealing structure of hydraulic gate self-lubricating knuckle bearing | |
| CN213541074U (en) | Self-aligning bearing seat for scraper equipment | |
| WO1998026202A1 (en) | Spring-biased seal | |
| CN213744540U (en) | Sealed bearing | |
| JP2020051448A (en) | Slewing bearing seal structure and slewing bearing | |
| EP0562218B1 (en) | Improved support for involute bearings | |
| CN210436379U (en) | Shaft end sealing structure of concrete stirring shaft or conveying shaft | |
| CN221120906U (en) | Flexible ring sealer for ship compartment | |
| CN210290745U (en) | Shaft end sealing structure of concrete stirring shaft or conveying shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |