CN114104244A - Novel thrust bearing structure for ship - Google Patents
Novel thrust bearing structure for ship Download PDFInfo
- Publication number
- CN114104244A CN114104244A CN202111480530.7A CN202111480530A CN114104244A CN 114104244 A CN114104244 A CN 114104244A CN 202111480530 A CN202111480530 A CN 202111480530A CN 114104244 A CN114104244 A CN 114104244A
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- China
- Prior art keywords
- thrust
- mounting shell
- bearing structure
- shaft
- novel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
- B63H23/326—Water lubricated bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
- B63H2023/325—Thrust bearings, i.e. axial bearings for propeller shafts
Abstract
The invention belongs to the field of thrust bearings, and particularly relates to a novel thrust bearing structure for a ship. This marine novel thrust bearing structure, through the setting of thrust collar and its outside thrust piece, can apply a pressure of thrust piece when the thrust collar receives screw thrust effect to do all can, make its skew its set weight with the contact center of supporting shoe, and then can make and form the wedge oil film between thrust collar and the thrust piece, reach the effect that makes thrust collar and thrust piece each other contactless, liquid friction has been realized, the frictional force that produces when having reduced this bearing rotation to a certain extent, the lubricated effect is relatively poor and lead to the great problem of its inboard frictional force when rotatory of current device has been solved.
Description
Technical Field
The invention relates to the field of thrust bearings, in particular to a novel thrust bearing structure for a ship.
Background
The water-lubricated thrust bearing for the ship mainly has the function of bearing the axial thrust or the pulling force generated by the propeller and transmitting the axial thrust or the pulling force to the submarine body so as to push the submarine to move forwards or backwards.
The existing marine thrust bearing has the defects of high installation cost, long time consumption, poor lubricating effect on the bearing, high temperature and low pressure resistance and service life due to the complex structure.
In order to solve the above problems, the present application provides a novel thrust bearing structure for a ship.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a novel thrust bearing structure for a ship, which has the characteristics of small friction force and strong pressure bearing performance during rotation.
(II) technical scheme
In order to solve the technical problems, the invention provides a novel thrust bearing structure for a ship, which comprises an upper mounting shell, wherein a lower mounting shell is arranged below the upper mounting shell, the inner sides of the upper mounting shell and the lower mounting shell are provided with thrust shafts, the outer wall of each thrust shaft is fixedly sleeved with a thrust ring, the outer side of each thrust ring is provided with a supporting pad, the outer side of each supporting pad is provided with a thrust block, the outer wall of each thrust block is fixedly provided with a top, and the outer wall of each supporting pad is provided with a supporting block matched with the top.
Preferably, the upper mounting shell is matched with the lower mounting shell in type, screw holes in opposite positions are formed in the inner sides of the upper mounting shell and the lower mounting shell, and second mounting bolts matched with the screw holes are arranged in the inner sides of the upper mounting shell and the lower mounting shell.
Preferably, the top of going up installation casing and installing the casing down is provided with the gasket, the inboard of gasket is provided with the mounting hole, the contact of going up installation casing and installing the casing down is seted up and is put up the mounting groove relative with the mounting hole position, and goes up and is provided with the fastening bolt with mounting groove and mounting hole looks adaptation between installation casing and the lower installation casing.
Preferably, two limiting blocks with opposite positions are arranged on the outer side of the upper mounting shell, the limiting blocks are oblique blocks, first mounting bolts are arranged on the inner sides of the limiting blocks, and the limiting blocks are fixedly mounted on the outer walls of the upper mounting shell and the lower mounting shell through the first mounting bolts.
Preferably, the inner sides of the upper mounting shell and the lower mounting shell are fixedly provided with shaft seats, the shaft seats are divided into three parts, the shaft seats are all fan-shaped, and the inner walls of the shaft seats are fixedly sleeved with thrust rings.
Preferably, the outer wall of the thrust shaft is fixedly sleeved with two thrust rings opposite in position, a roller bearing ring is arranged between the two thrust rings, and the outer wall of each thrust ring is provided with a rolling groove matched with the roller bearing ring.
Preferably, the outer wall of the shaft seat is fixedly provided with ten clamping plates, the inner sides of the upper mounting shell and the lower mounting shell are provided with clamping grooves opposite to the clamping plates, and the ten clamping plates are uniformly arranged on the outer wall of the shaft seat at equal intervals.
Preferably, the outer side of the thrust shaft is provided with a radial tile, the back of the radial tile is provided with a dovetail groove, and a white alloy tile lining is poured on the inner side of the dovetail groove.
Preferably, a thrust disc is fixedly mounted on the outer side of the thrust shaft, and the thrust disc moves on the outer side of the thrust shaft in an annular path.
Preferably, two sides of the thrust ring are respectively provided with a group of independent thrust blocks, and the two groups of thrust blocks are both fan-shaped.
Preferably, the plug can rotate in all directions on the outer wall of the thrust block.
The technical scheme of the invention has the following beneficial technical effects:
through the arrangement of the thrust ring and the thrust blocks on the outer side of the thrust ring, when the thrust ring is under the thrust action of the propeller, pressure can be applied to the thrust blocks, so that the contact centers of the thrust ring and the support blocks deviate from the aggregate weight of the thrust ring and the support blocks, a wedge-shaped oil film can be formed between the thrust ring and the thrust blocks, the effect of preventing the thrust ring and the thrust blocks from being in mutual contact is achieved, liquid friction is realized, the friction force generated when the bearing rotates is reduced to a certain extent, and the problem that the inner side friction force is large due to the fact that the existing device is poor in lubricating effect when the bearing rotates is solved; through the arrangement of the two groups of thrust blocks on the two sides of the thrust ring, the thrust of the propeller for forward driving and backward driving can be borne when the propeller advances and retreats respectively, and the situation that the bearing is directly contacted with the thrust and damaged due to different thrust directions applied by the propeller is avoided; the ejector head can freely rotate on the outer wall of the thrust block, so that the thrust ring has certain floating capacity when rotating, a wedge-shaped oil film is formed conveniently when rotating, the friction resistance of the device during rotation is reduced on the side surface, and the device can conveniently rotate; the radial load born by the device can be borne by arranging the radial tile outside the thrust shaft and matching with the dovetail groove on the outer wall of the thrust shaft and the white alloy tile lining, so that the problem that the existing device is easy to damage due to poor bearing effect when bearing the radial load is solved; in addition, the existing device is simple in structure, convenient to install, convenient to detach and maintain, wide in application range and suitable for large-scale manufacturing and popularization.
Drawings
FIG. 1 is a front view of a thrust bearing of the present invention;
FIG. 2 is a side view of the thrust bearing of the present invention;
FIG. 3 is a schematic structural view of the thrust block of the present invention at rest;
FIG. 4 is a schematic view of the thrust block rotation configuration of the present invention;
FIG. 5 is a schematic structural view of the thrust block of the present invention.
Reference numerals:
in the figure: 1. an upper mounting housing; 2. a first mounting bolt; 3. a limiting block; 4. a second mounting bolt; 5. a lower mounting housing; 6. a thrust shaft; 7. a shaft seat; 8. fastening a bolt; 9. a thrust disc; 10. a thrust ring; 11. a support pad; 12. a thrust block; 13. ejecting the head; 14. a support block; 15. radial tiles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 5, the invention provides a novel thrust bearing structure for a ship, which comprises an upper mounting shell 1, a lower mounting shell 5 is arranged below the upper mounting shell 1, a thrust shaft 6 is arranged inside the upper mounting shell 1 and the lower mounting shell 5, a thrust collar 10 is fixedly sleeved on the outer wall of the thrust shaft 6, a supporting pad 11 is arranged outside the thrust collar 10, a thrust block 12 is arranged outside the supporting pad 11, a top 13 is fixedly arranged on the outer wall of the thrust block 12, and a supporting block 14 matched with the top 13 is arranged on the outer wall of the supporting pad 11.
In this embodiment, it should be noted that the upper mounting shell 1 is matched with the lower mounting shell 5 in type, screw holes are formed in the inner sides of the upper mounting shell 1 and the lower mounting shell 5 at opposite positions, and second mounting bolts 4 matched with the screw holes are formed in the inner sides of the upper mounting shell 1 and the lower mounting shell 5; the two parts of the upper installation shell 1 and the lower installation shell 5 are arranged to be convenient to match with the upper second installation bolt 4 to install the device, so that the installation operation is simplified, and the condition that the operation of the existing device is complex when the device is installed is avoided.
In this embodiment, it should be noted that gaskets are disposed on the tops of the upper mounting housing 1 and the lower mounting housing 5, mounting holes are disposed on the inner sides of the gaskets, a mounting groove opposite to the mounting hole is disposed in contact between the upper mounting housing 1 and the lower mounting housing 5, and a fastening bolt 8 matched with the mounting groove and the mounting hole is disposed between the upper mounting housing 1 and the lower mounting housing 5; the setting up of fastening bolt 8 and gasket is convenient for carry out fixed connection with last installation casing 1 and lower installation casing 5, and then guarantees the device's leakproofness, avoids the condition that the during operation infiltration appears.
In this embodiment, it should be noted that two limiting blocks 3 are arranged at opposite positions outside the upper mounting shell 1, the limiting blocks 3 are oblique blocks, first mounting bolts 2 are arranged inside the limiting blocks 3, and the limiting blocks 3 are fixedly mounted on outer walls of the upper mounting shell 1 and the lower mounting shell 5 through the first mounting bolts 2; the setting of stopper 3 is convenient for fix the device on the bearing base, and then is convenient for weaken the vibrations that the device appears when pivoted, increases the device's stability.
In this embodiment, it should be noted that the shaft seats 7 are fixedly installed on the inner sides of the upper installation shell 1 and the lower installation shell 5, the shaft seats 7 are divided into three parts, the three parts of the shaft seats 7 are fan-shaped, and the inner walls of the shaft seats 7 are fixedly sleeved with thrust rings 10; the three fan-ring-shaped shaft seats 7 are convenient to install, the installation operation is simplified, and the problem that the existing device is complex in installation operation is solved.
In this embodiment, it should be noted that two thrust rings 10 opposite in position are fixedly sleeved on the outer wall of the thrust shaft 6, a roller bearing ring is arranged between the two thrust rings 10, and a rolling groove adapted to the roller bearing ring is arranged on the outer wall of the thrust ring 10; the arrangement of the two thrust rings 10 can ensure that the bearing rotates normally, and simultaneously, the thrust blocks 12 on the two sides of the thrust ring 10 are convenient to contact with the power end of the propeller when the vehicle is moving forwards or retreats respectively.
In this embodiment, it should be noted that ten clamping plates are fixedly mounted on the outer wall of the shaft seat 7, clamping grooves opposite to the clamping plates are arranged on the inner sides of the upper mounting shell 1 and the lower mounting shell 5, and the ten clamping plates are uniformly and equidistantly arranged on the outer wall of the shaft seat 7; the arrangement of the clamping groove and the clamping plate is convenient for limiting the thrust ring 10 and the thrust shaft 6, and further the stability of the device is improved.
In this embodiment, it should be noted that the outer side of the thrust shaft 6 is provided with a radial tile 15, the back of the radial tile 15 is provided with a dovetail groove, and a white alloy tile lining is poured on the inner side of the dovetail groove; the radial bearing force of the device is increased by the radial tile 15 and the dovetail groove on the back side of the radial tile, and the situation that the existing device is easy to damage due to poor radial bearing effect in work is avoided.
In the present embodiment, the thrust disk 9 is fixedly attached to the outer side of the thrust shaft 6, and the thrust disk 9 moves in an annular path on the outer side of the thrust shaft 6.
In this embodiment, it should be noted that two sides of the thrust ring 10 are respectively provided with a group of independent thrust blocks 12, and both groups of thrust blocks 12 are fan-shaped; the two groups of fan-shaped thrust blocks 12 are convenient to bear forward thrust or reverse thrust of the propeller respectively, and further the situation that the thrust shaft 6 and the thrust ring 10 are directly contacted with a power end to cause damage to the power end is avoided.
In this embodiment, it should be noted that the plug 13 can rotate in all directions on the outer wall of the thrust block 12; the front surface of each thrust block 12 is poured with white alloy, the back surface of each thrust block is provided with a hardened ejector 13, and meanwhile, the ejector 13 is eccentrically supported on the gasket, so that the thrust blocks 12 have certain floating capacity during rotation, a wedge-shaped oil film is formed between the thrust ring 10 and the thrust ring 10 during rotation, the stress of the thrust blocks is uniform, and the friction resistance can be reduced.
The working principle and the using process of the invention are as follows: firstly, fixedly sleeving a thrust shaft 6 and the outer wall of a thrust ring 10 with a three-part shaft seat 7, then respectively sleeving an upper mounting shell 1 and a lower mounting shell 5 on the outer side of the shaft seat 7, then fixedly connecting the upper mounting shell 1 and the lower mounting shell 5 by using a fastening bolt 8, and finally fixedly installing two limiting blocks 3 on the outer walls of the upper mounting shell 1 and the lower mounting shell 5 through a first mounting bolt 2, so that the installation process can be completed, when the propeller applies thrust in different directions to the device, the thrust ring 10 is pushed by the thrust to push a thrust block 12, the contact gravity center of the thrust block 12 and a supporting block 14 deviates from the assembly gravity center, namely, the pressure center does not coincide with the fulcrum center, the pressure and the reaction force between friction surfaces form a couple, so that the thrust block 12 generates an inclined position, and a wedge-shaped oil film is generated between the thrust ring 10 and the thrust block 12, the effect of liquid friction and less friction resistance is realized.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (11)
1. The utility model provides a marine novel thrust bearing structure, a serial communication port, including last installation casing (1), the below of going up installation casing (1) is provided with down installation casing (5), the inboard of going up installation casing (1) and installing casing (5) down is provided with thrust shaft (6), thrust ring (10) have been cup jointed to the outer wall of thrust shaft (6) is fixed, the outside of thrust ring (10) is provided with supporting pad (11), the outside of supporting pad (11) is provided with thrust block (12), the outer wall fixed mounting of thrust block (12) has top (13), and supporting pad (11) outer wall be provided with supporting shoe (14) with top (13) looks adaptation.
2. The novel marine thrust bearing structure of claim 1, wherein the upper mounting shell (1) is adapted to the lower mounting shell (5) in terms of type, screw holes are formed in the inner sides of the upper mounting shell (1) and the lower mounting shell (5) in opposite positions, and second mounting bolts (4) adapted to the screw holes are formed in the inner sides of the upper mounting shell (1) and the lower mounting shell (5).
3. The novel marine thrust bearing structure of claim 1, wherein a gasket is disposed on the top of the upper mounting housing (1) and the lower mounting housing (5), a mounting hole is disposed on the inner side of the gasket, a mounting groove opposite to the mounting hole is disposed on the upper mounting housing (1) and the lower mounting housing (5) in contact with each other, and a fastening bolt (8) matched with the mounting groove and the mounting hole is disposed between the upper mounting housing (1) and the lower mounting housing (5).
4. The novel marine thrust bearing structure according to claim 1, wherein two limiting blocks (3) are arranged on the outer side of the upper mounting shell (1) in opposite positions, the limiting blocks (3) are oblique blocks, first mounting bolts (2) are arranged on the inner sides of the limiting blocks (3), and the limiting blocks (3) are fixedly mounted on the outer walls of the upper mounting shell (1) and the lower mounting shell (5) through the first mounting bolts (2).
5. The novel thrust bearing structure for the ship of claim 1, wherein the inner sides of the upper mounting shell (1) and the lower mounting shell (5) are fixedly provided with shaft seats (7), the shaft seats (7) are divided into three parts, the shaft seats (7) are all fan-shaped rings, and thrust rings (10) are fixedly sleeved on the inner walls of the shaft seats (7).
6. The novel marine thrust bearing structure according to claim 1, wherein two thrust rings (10) opposite in position are fixedly sleeved on the outer wall of the thrust shaft (6), a roller bearing ring is arranged between the two thrust rings (10), and a rolling groove matched with the roller bearing ring is formed in the outer wall of the thrust ring (10).
7. The novel marine thrust bearing structure of claim 5, wherein ten clamping plates are fixedly mounted on the outer wall of the shaft seat (7), clamping grooves opposite to the clamping plates are formed in the inner sides of the upper mounting shell (1) and the lower mounting shell (5), and the ten clamping plates are uniformly and equidistantly arranged on the outer wall of the shaft seat (7).
8. The novel marine thrust bearing structure according to claim 1, wherein a radial tile (15) is arranged on the outer side of the thrust shaft (6), a dovetail groove is formed in the back surface of the radial tile (15), and a white alloy tile lining is poured on the inner side of the dovetail groove.
9. The novel marine thrust bearing structure of claim 1, wherein a thrust disc (9) is fixedly mounted on the outer side of the thrust shaft (6), and the thrust disc (9) moves on the outer side of the thrust shaft (6) in a circular path.
10. The novel marine thrust bearing structure of claim 1, wherein each side of the thrust collar (10) is provided with a separate set of thrust blocks (12), and both sets of thrust blocks (12) are fan-shaped.
11. Marine novel thrust bearing arrangement according to claim 1, characterized in that the plug (13) is capable of omni-directional rotation at the outer wall of the pad (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111480530.7A CN114104244B (en) | 2021-12-06 | 2021-12-06 | Thrust bearing structure for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111480530.7A CN114104244B (en) | 2021-12-06 | 2021-12-06 | Thrust bearing structure for ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114104244A true CN114104244A (en) | 2022-03-01 |
| CN114104244B CN114104244B (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111480530.7A Active CN114104244B (en) | 2021-12-06 | 2021-12-06 | Thrust bearing structure for ship |
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| Country | Link |
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| CN (1) | CN114104244B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191208885A (en) * | 1912-04-15 | 1912-09-19 | Anthony George Maldon Michell | Improvements in Film Lubricated Thrust Bearings. |
| US4929203A (en) * | 1988-03-08 | 1990-05-29 | Gkn Automotive, Inc. | Marine propeller drive system |
| US5007745A (en) * | 1989-09-26 | 1991-04-16 | Delaware Capital Formation, Inc. | Low flow tilting pad thrust bearing |
| US5527194A (en) * | 1994-02-02 | 1996-06-18 | Brunswick Corporation | Thrust sensor for marine drives |
| CN102927137A (en) * | 2012-11-06 | 2013-02-13 | 中国舰船研究设计中心 | Disc spring type vibration attenuation thrust bearing |
| CN106574664A (en) * | 2014-08-28 | 2017-04-19 | 斯凯孚海运有限公司 | Axial bearing and retainer |
| CN109436276A (en) * | 2018-12-13 | 2019-03-08 | 中国船舶重工集团公司第七〇四研究所 | Asymmetric double supports slide thrust bearing to single fulcrum liquid bullet |
| CN109899381A (en) * | 2019-01-31 | 2019-06-18 | 武汉船用机械有限责任公司 | Water lubricating thrust bearing |
| CN110532623A (en) * | 2019-07-30 | 2019-12-03 | 上海涟屹轴承科技有限公司 | A kind of design method of large size water lubriucated bearing tilting bush thrust bearing shoe valve |
| CN111664171A (en) * | 2019-03-08 | 2020-09-15 | 中国船舶重工集团公司第七一一研究所 | Fluid bearing tilting pad thrust assembly and thrust bearing with same |
| CN113320673A (en) * | 2021-06-25 | 2021-08-31 | 中国舰船研究设计中心 | Thrust bearing device based on active thrust balancing technology |
| CN113386939A (en) * | 2021-06-24 | 2021-09-14 | 中国舰船研究设计中心 | Thrust bearing device with compact structure |
| CN214367265U (en) * | 2020-12-16 | 2021-10-08 | 华中科技大学 | Hydraulic supporting structure of ship sliding thrust bearing |
-
2021
- 2021-12-06 CN CN202111480530.7A patent/CN114104244B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191208885A (en) * | 1912-04-15 | 1912-09-19 | Anthony George Maldon Michell | Improvements in Film Lubricated Thrust Bearings. |
| US4929203A (en) * | 1988-03-08 | 1990-05-29 | Gkn Automotive, Inc. | Marine propeller drive system |
| US5007745A (en) * | 1989-09-26 | 1991-04-16 | Delaware Capital Formation, Inc. | Low flow tilting pad thrust bearing |
| US5527194A (en) * | 1994-02-02 | 1996-06-18 | Brunswick Corporation | Thrust sensor for marine drives |
| CN102927137A (en) * | 2012-11-06 | 2013-02-13 | 中国舰船研究设计中心 | Disc spring type vibration attenuation thrust bearing |
| CN106574664A (en) * | 2014-08-28 | 2017-04-19 | 斯凯孚海运有限公司 | Axial bearing and retainer |
| CN109436276A (en) * | 2018-12-13 | 2019-03-08 | 中国船舶重工集团公司第七〇四研究所 | Asymmetric double supports slide thrust bearing to single fulcrum liquid bullet |
| CN109899381A (en) * | 2019-01-31 | 2019-06-18 | 武汉船用机械有限责任公司 | Water lubricating thrust bearing |
| CN111664171A (en) * | 2019-03-08 | 2020-09-15 | 中国船舶重工集团公司第七一一研究所 | Fluid bearing tilting pad thrust assembly and thrust bearing with same |
| CN110532623A (en) * | 2019-07-30 | 2019-12-03 | 上海涟屹轴承科技有限公司 | A kind of design method of large size water lubriucated bearing tilting bush thrust bearing shoe valve |
| CN214367265U (en) * | 2020-12-16 | 2021-10-08 | 华中科技大学 | Hydraulic supporting structure of ship sliding thrust bearing |
| CN113386939A (en) * | 2021-06-24 | 2021-09-14 | 中国舰船研究设计中心 | Thrust bearing device with compact structure |
| CN113320673A (en) * | 2021-06-25 | 2021-08-31 | 中国舰船研究设计中心 | Thrust bearing device based on active thrust balancing technology |
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| Publication number | Publication date |
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| CN114104244B (en) | 2023-06-23 |
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