CN109899381A - Water lubricating thrust bearing - Google Patents
Water lubricating thrust bearing Download PDFInfo
- Publication number
- CN109899381A CN109899381A CN201910101310.5A CN201910101310A CN109899381A CN 109899381 A CN109899381 A CN 109899381A CN 201910101310 A CN201910101310 A CN 201910101310A CN 109899381 A CN109899381 A CN 109899381A
- Authority
- CN
- China
- Prior art keywords
- lantern ring
- thrust
- block pad
- thrust bearing
- thrust block
- 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.)
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Abstract
The invention discloses a kind of water lubricating thrust bearings, belong to technical field of bearings.Thrust bearing includes lantern ring and thrust block pad, the side of lantern ring is equipped with the groove of annular, what is be spaced on the inward flange and outer edge of lantern ring is provided with multiple flutings, each fluting is along lantern ring radially along stretching, and the fluting one-to-one correspondence on the outer edge of the fluting and lantern ring on the inward flange of lantern ring is coaxially arranged, thrust block pad is sector structure part, and straight pin is equipped on the inner arc surface and exterior arc surface of thrust block pad, straight pin on the inner arc surface of thrust block pad is rotationally inserted into the fluting on the inward flange of lantern ring, straight pin on the exterior arc surface of thrust block pad is rotationally inserted into the fluting on the outer edge of lantern ring, the one side of thrust block pad towards groove floor is equipped with hemispheric protrusion, protrusion and the bottom surface of groove offset, and protrusion is not in relation to the axisymmetrical arrangement where two straight pins.The reliability of water lubricating thrust bearing can be improved in the present invention.
Description
Technical field
The invention belongs to technical field of bearings, in particular to a kind of water lubricating thrust bearing.
Background technique
Thrust bearing is a kind of for bearing the bearing of axial force, is widely used in the products such as various ship classes and water pump class
In.
Water lubricating thrust bearing is one of thrust bearing, mainly includes thrust bearing shoe valve and thrust metal, and thrust bearing shoe valve
It is made of elastic layer and non-metallic wear resistant layer, non-metallic wear resistant layer is fixed on thrust metal by elastic layer, and elastic layer is
Wedge structure.When thrust bearing shoe valve stress, because of the wedge structure of elastic layer, the elastic deformation that elastic layer occurs everywhere is not
Together, so that the wedge shape space for being conducive to moisture film foundation can be spontaneously formed between thrust metal and nonmetallic antifriction layer, to play
The effect of lubrication and sealing.
However, oxygen can be occurred also to elastic layer by contacting itself with water for a long time due to the working environment of water lubricating thrust bearing
Reaction, so that the elasticity of elastic layer reduces, to influence the formation of wedge shape space, eventually leading to moisture film can not be formed, so that water
Lubricating thrust bearing can not work normally.
Summary of the invention
The embodiment of the invention provides a kind of water lubricating thrust bearings, improve the reliability of water lubricating thrust bearing.Institute
It is as follows to state technical solution:
The embodiment of the invention provides a kind of water lubricating thrust bearing, the thrust bearing includes lantern ring and thrust block pad, institute
State lantern ring one side be equipped with annular groove, the groove and the lantern ring are coaxially arranged, the inward flange of the lantern ring with
What is be spaced on outer edge be provided with multiple flutings, each described fluting is along the lantern ring radially along stretching, and the set
Fluting one-to-one correspondence on the outer edge of fluting and the lantern ring on the inward flange of ring is coaxially arranged, and the thrust block pad is sector
Structural member, and straight pin is equipped on the inner arc surface and exterior arc surface of the thrust block pad, on the inner arc surface of the thrust block pad
Straight pin be rotationally inserted into the cylinder in the fluting on the inward flange of the lantern ring, on the exterior arc surface of the thrust block pad
Pin is rotationally inserted into the fluting on the outer edge of the lantern ring, one side of the thrust block pad towards the groove floor
It is equipped with hemispheric protrusion, the protrusion and the bottom surface of the groove offset, and the protrusion is not in relation to two straight pins
The axisymmetrical at place is arranged.
In a kind of implementation of the invention, the one side of the lantern ring is equipped with the first open slot, and described first opens
Mouth slot is circumferential along stretching along the outer edge of the lantern ring, and outer ring, the outer ring and the thrust are equipped in first open slot
Straight pin on the exterior arc surface of block offsets.
In another implementation of the invention, the one side of the lantern ring is equipped with the first open slot, and described first
Open slot is circumferential along stretching along the outer edge of the lantern ring, outer ring is equipped in first open slot, the outer ring is pushed away with described
Straight pin on the exterior arc surface of power block offsets.
In another implementation of the invention, the side wall of the outer ring and the side wall interference of first open slot are matched
It closes.
In another implementation of the invention, the side wall of the inner ring and the side wall interference of second open slot are matched
It closes.
In another implementation of the invention, the thrust block pad includes watt body and tiling, described watt of body and described watt
Face links together, and described watt of body is located in the groove, and the tiling is arranged towards the thrust axis.
In another implementation of the invention, glue is coated on the contact surface of described watt of body the and described tiling.
In another implementation of the invention, described watt of body is equipped with blind hole, and the tiling is equipped with boss, described
Boss is fixedly mounted in the blind hole.
In another implementation of the invention, the tiling is high molecular material.
In another implementation of the invention, installation is equipped between the two neighboring thrust block pad on the lantern ring
Hole.
Technical solution provided in an embodiment of the present invention has the benefit that
By setting ring structure for lantern ring, groove is set on lantern ring, groove extends along the circumferencial direction of lantern ring,
And thrust block pad is the sector structure cooperated with groove gap, so that thrust block pad may be mounted in the groove of lantern ring.By covering
Equally spaced setting fluting is distinguished on ring Internal and external cycle, the fluting on Internal and external cycle is arranged along the radial direction of lantern ring, and thrust block pad is interior
Exterior arc surface is equipped with the straight pin being rotationally inserted into fluting, and thrust block pad and the face of lantern ring groove-bottom end in contact are equipped with
Hemispheric protrusion, and protrusion is not in relation to the axisymmetrical arrangement where two straight pins, so that thrust block pad inclines with respect to collar footprint
Arrangement and can tiltedly be swung with respect to lantern ring, when water flow fluctuation or when having impact, thrust block pad can with automatic position adjusting function and angle,
It prevents moisture film from destroying, and interacts and wear so that the thickness of thrust block pad is thinning, so that water is flowed into thrust axis in thrust block pad
The space entered becomes smaller, and since thrust bearing itself tilts, when thrust axis restarting, moisture film still can effective shape
At thrust bearing can reliably work.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the scheme of installation of water lubricating thrust bearing provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of lantern ring provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of thrust block pad provided in an embodiment of the present invention;
Fig. 4 is the working state schematic representation of thrust block pad provided in an embodiment of the present invention;
Fig. 5 is the cross-sectional view of thrust block pad provided in an embodiment of the present invention;
Fig. 6 is the structural schematic diagram of water lubricating thrust bearing provided in an embodiment of the present invention.
Each symbol indicates that meaning is as follows in figure:
100- thrust bearing, 200- thrust axis, 1- lantern ring, 11- groove, 12- fluting, the first open slot of 13-, 14- second
Open slot, 15- mounting hole, 2- thrust block pad, 21- straight pin, 22- protrusion, 23- watts of body, 231- blind hole, 24- tiling, 241- are convex
Platform, 3- outer ring, 4- inner ring.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of water lubricating thrust bearings, as shown in Figure 1, the water lubricating thrust bearing includes set
Ring 1 and thrust block pad 2,
Fig. 2 is the structural schematic diagram of lantern ring, and in conjunction with Fig. 2, in the present embodiment, the one side of lantern ring 1 is equipped with annular
Groove 11, groove 11 and lantern ring 1 are coaxially arranged, and what is be spaced on the inward flange and outer edge of lantern ring 1 is provided with multiple flutings 12,
Each fluting 12 is along lantern ring 1 radially along stretching, and on the outer edge of the fluting 12 and lantern ring 1 on the inward flange of lantern ring 1
Fluting 12 corresponds coaxially arranged.
Fig. 3 is the structural schematic diagram of thrust block pad, and in conjunction with Fig. 3, in the present embodiment, thrust block pad 2 is sector structure part, and is pushed away
Straight pin 21 is equipped on the inner arc surface and exterior arc surface of power block 2, the straight pin 21 on the inner arc surface of thrust block pad 2 can be rotated
Ground is inserted into the fluting 12 on the inward flange of lantern ring 1, and the straight pin 21 on the exterior arc surface of thrust block pad 2 is rotationally inserted into
In fluting 12 on the outer edge of lantern ring 1, the one side of thrust block pad 2 towards 11 bottom surface of groove is equipped with hemispheric raised 22,
Protrusion 22 and the bottom surface of groove 11 offset, and protrusion 22 is not in relation to the axisymmetrical arrangement where two straight pin 21.
By setting ring structure for lantern ring 1, on lantern ring 1 be arranged groove 11, groove 11 along lantern ring 1 circumference side
To extension, and thrust block pad 2 is the sector structure with 11 clearance fit of groove, so that thrust block pad 2 may be mounted at the groove of lantern ring 1
In 11.Slot 12 by distinguishing equally spaced setting on 1 Internal and external cycle of lantern ring, the fluting 12 on Internal and external cycle along lantern ring 1 diameter
To arrangement, and the inside and outside arc surface of thrust block pad 2 is equipped with the straight pin 21 being rotationally inserted into fluting 12, thrust block pad 2 with
The face of 1 groove of lantern ring, 11 bottom end contact is equipped with hemispheric raised 22, and protrusion 22 is not in relation to the axis where two straight pin 21
Line is arranged symmetrically so that thrust block pad 2 is arranged and can be swung with respect to lantern ring 1 with respect to 1 bottom angled of lantern ring, when water flow fluctuation or
When having impact, thrust block pad 2 can participate in Fig. 4 with automatic position adjusting function and angle, prevent moisture film from destroying, and in thrust block pad 2 and thrust
Axis 200 interacts and wears so that the thickness of thrust block pad 2 is thinning, so that the space that water flow enters becomes smaller, due to thrust bearing
100 structures itself inclination, when thrust axis 200 restarts, moisture film can still be effectively formed, and thrust bearing 100 can
The work leaned on.
Referring again to Fig. 2, in the present embodiment, the one side of lantern ring 1 is equipped with the first open slot 13, the first open slot 13
It is circumferential along stretching along the outer edge of lantern ring 1, outer ring 3 is installed, on the exterior arc surface of outer ring 3 and thrust block pad 2 in first open slot 13
Straight pin 21 offset.
In above-mentioned implementation, by outer ring 3 can the straight pin 21 on the exterior arc surface to thrust block pad 2 limit
Position, prevents thrust block pad 2 from loosening in use with lantern ring 1.
Illustratively, the side wall of the side wall of outer ring 3 and the first open slot 13 is interference fitted.
In this way, outer ring 3 can be made to be stably mounted in the first open slot 13, to avoid first opening of the abjection of outer ring 3
Slot 13.
In the present embodiment, the one side of lantern ring 1 is equipped with the second open slot 14, and the second open slot 14 is along lantern ring 1
Edge is circumferential along stretching, and inner ring 4, inner ring 4 and 21 phase of straight pin on the inner arc surface of thrust block pad 2 are equipped in the second open slot 14
It supports.
In above-mentioned implementation, by inner ring 4 can the straight pin 21 on the inner arc surface to thrust block pad 2 limit
Position, prevents thrust block pad 2 from loosening in use with lantern ring 1.
Illustratively, the side wall of the side wall of inner ring 4 and the second open slot 14 is interference fitted.
In this way, inner ring 4 can be made to be stably mounted in the second open slot 14, to avoid second opening of the abjection of inner ring 4
Slot 14.
In the present embodiment, the surrounding seamed edge of thrust block pad 2 is rounded structure.
In above-mentioned implementation, because the surrounding seamed edge of thrust block pad 2 is rounded structure, be conducive to the stabilization shape of moisture film
At, and can prevent the seamed edge of thrust block pad 2 from scraping abrasion.
Fig. 5 is the cross-sectional view of thrust block pad, and referring to Fig. 5, in the present embodiment, thrust block pad 2 includes watt body 23 and tiling 24, watt
Body 23 and tiling 24 link together, and watt body 23 is located in groove 11, and tiling 24 is arranged towards thrust axis 200.
In above-mentioned implementation, watt body 23 is used to provide installation foundation for tiling 24, and tiling 24 is used for and thrust axis 200
Contact, to form the moisture film for lubricating sealing.
Illustratively, glue is coated on the contact surface with tiling 24 of watt body 23.
In this way, watt body 23 and tiling 24 can be connected as an entirety, to guarantee the company between watt body 23 and tiling 24
Connect fastness.
Optionally, tiling 24 is high molecular material.
In this way, making tiling 24 that there is good antiwear characteristic, prevent tiling 24 from wearing because of prolonged use.
It should be noted that in other embodiments, the material of tiling 24 can be selected according to actual needs, such as
Silica, ceramic wear-resisting material etc., the invention is not limited in this regard.
Optionally, watt body 23 is equipped with blind hole 231, and tiling 24 is equipped with boss 241, and boss 241 is fixedly mounted on blind hole
In 231.
Can be interference fit between blind hole 231 and boss 241 in above-mentioned implementation, watt body 23 and tiling 24 it
Between can be assembled together by way of cold set.
Fig. 6 is the structural schematic diagram of water lubricating thrust bearing, referring to Fig. 6, in the present embodiment, adjacent two on lantern ring 1
Mounting hole 15 is equipped between a thrust block pad 2, mounting hole 15 is for thrust bearing 100 to be fixedly mounted.
It, can be with by being respectively provided with mounting hole 15 between thrust block pad 2 two neighboring on lantern ring 1 in above-mentioned implementation
Bolt is inserted in mounting hole 15, thrust bearing 100 is fixedly mounted on hull.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of water lubricating thrust bearing, which is characterized in that the thrust bearing (100) includes lantern ring (1) and thrust block pad (2),
The one side of the lantern ring (1) is equipped with the groove (11) of annular, and the groove (11) and the lantern ring (1) are coaxially arranged, institute
State be spaced on the inward flange and outer edge of lantern ring (1) be provided with multiple flutings (12), each described fluting (12) equal edge
The lantern ring (1) radially along stretching, and the outer edge of the fluting (12) and the lantern ring (1) on the inward flange of the lantern ring (1)
On fluting (12) correspond coaxially arranged, the thrust block pad (2) is sector structure part, and the inner circle of the thrust block pad (2)
It is equipped in cambered surface and exterior arc surface straight pin (21), the straight pin (21) on the inner arc surface of the thrust block pad (2) can be rotated
Ground is inserted into the fluting on the inward flange of the lantern ring (1) (12), the straight pin on the exterior arc surface of the thrust block pad (2)
(21) it is rotationally inserted into the fluting (12) on the outer edge of the lantern ring (1), the thrust block pad (2) is towards the groove
(11) one side of bottom surface is equipped with hemispheric raised (22), and the protrusion (22) and the bottom surface of the groove (11) offset,
And raised (22) are not in relation to the axisymmetrical arrangement where two straight pins (21).
2. thrust bearing according to claim 1, which is characterized in that the one side of the lantern ring (1) is equipped with first and opens
Mouth slot (13), first open slot (13) is stretched along the circumferential edge of outer edge of the lantern ring (1), in first open slot (13)
It is equipped with outer ring (3), the outer ring (3) offsets with the straight pin (21) on the exterior arc surface of the thrust block pad (2).
3. thrust bearing according to claim 1, which is characterized in that the one side of the lantern ring (1) is equipped with second and opens
Mouth slot (14), second open slot (14) is stretched along the circumferential edge of inward flange of the lantern ring (1), in second open slot (14)
It is equipped with inner ring (4), the inner ring (4) offsets with the straight pin (21) on the inner arc surface of the thrust block pad (2).
4. thrust bearing according to claim 2, which is characterized in that the side wall of the outer ring (3) and first opening
The side wall of slot (13) is interference fitted.
5. thrust bearing according to claim 3, which is characterized in that the side wall of the inner ring (4) and second opening
The side wall of slot (14) is interference fitted.
6. thrust bearing according to claim 1, which is characterized in that the thrust block pad (2) includes watt body (23) and tiling
(24), described watt of body (23) and the tiling (24) link together, and described watt of body (23) is located in the groove (11), described
Tiling (24) is arranged towards the thrust axis (200).
7. thrust bearing according to claim 6, which is characterized in that described watt of body (23) and tiling (24) to connect
Glue is coated in contacting surface.
8. thrust bearing according to claim 6, which is characterized in that described watt of body (23) is equipped with blind hole (231), described
Tiling (24) is equipped with boss (241), and the boss (241) is fixedly mounted in the blind hole (231).
9. thrust bearing according to claim 6, which is characterized in that the tiling (24) is high molecular material.
10. thrust bearing according to claim 1, which is characterized in that the two neighboring thrust on the lantern ring (1)
Mounting hole (15) are equipped between block (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910101310.5A CN109899381B (en) | 2019-01-31 | 2019-01-31 | Water-lubricated thrust bearing |
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Application Number | Priority Date | Filing Date | Title |
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CN201910101310.5A CN109899381B (en) | 2019-01-31 | 2019-01-31 | Water-lubricated thrust bearing |
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CN109899381A true CN109899381A (en) | 2019-06-18 |
CN109899381B CN109899381B (en) | 2021-04-09 |
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CN201910101310.5A Active CN109899381B (en) | 2019-01-31 | 2019-01-31 | Water-lubricated thrust bearing |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112576611A (en) * | 2020-12-17 | 2021-03-30 | 哈尔滨电气动力装备有限公司 | Water lubrication thrust tile lateral elastic baffle limiting structure |
CN114104244A (en) * | 2021-12-06 | 2022-03-01 | 上海涟屹轴承科技有限公司 | Novel thrust bearing structure for ship |
CN114382782A (en) * | 2021-12-20 | 2022-04-22 | 哈尔滨电气动力装备有限公司 | Water-lubricated thrust tile surface water tank lubricating structure |
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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 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112576611A (en) * | 2020-12-17 | 2021-03-30 | 哈尔滨电气动力装备有限公司 | Water lubrication thrust tile lateral elastic baffle limiting structure |
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 |
CN114104244A (en) * | 2021-12-06 | 2022-03-01 | 上海涟屹轴承科技有限公司 | Novel thrust bearing structure for ship |
CN114382782A (en) * | 2021-12-20 | 2022-04-22 | 哈尔滨电气动力装备有限公司 | Water-lubricated thrust tile surface water tank lubricating structure |
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 |
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