CN115030952A - Thrust bearing and rim propeller - Google Patents
Thrust bearing and rim propeller Download PDFInfo
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- CN115030952A CN115030952A CN202210636391.0A CN202210636391A CN115030952A CN 115030952 A CN115030952 A CN 115030952A CN 202210636391 A CN202210636391 A CN 202210636391A CN 115030952 A CN115030952 A CN 115030952A
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- 238000013016 damping Methods 0.000 claims description 30
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- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/26—Systems consisting of a plurality of sliding-contact bearings
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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
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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
- B63H23/326—Water lubricated bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/08—Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/121—Use of special materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
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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
- B63H2023/325—Thrust bearings, i.e. axial bearings for propeller shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/36—Polyarylene ether ketones [PAEK], e.g. PEK, PEEK
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/30—Ships, e.g. propelling shafts and bearings therefor
Abstract
The invention provides a thrust bearing and a rim propeller, wherein the thrust bearing comprises a bearing stator, a bearing rotor, a first disk tile assembly, a first mounting seat, a second mounting seat and a second disk tile assembly; the first mounting seat is connected to the bearing rotor and provided with a first mounting surface and a second mounting surface; the bearing stator is provided with a third mounting surface, the second mounting seat is connected to the bearing stator, and the second mounting seat is provided with a fourth mounting surface; the two sides of the first disc tile assembly are arranged on the first mounting surface and the third mounting surface, and the first disc tile assembly is used for providing thrust along the first direction for the thrust bearing; the two sides of the second disc tile assembly are arranged on the second mounting surface and the fourth mounting surface, and the second disc tile assembly is used for providing thrust along the second direction for the thrust bearing; the first direction is opposite to the second direction; the bearing stator and the bearing rotor are connected in a contactless transmission mode through the first disc tile assembly and the second disc tile assembly, abrasion is avoided when rotation is conducted, and vibration reduction of the thrust bearing in the axial direction is achieved.
Description
Technical Field
The invention relates to the technical field of ship propulsion systems, in particular to a thrust bearing and a rim propeller.
Background
The thrust bearing is one of the important components of a ship propulsion system, and mainly has the function of transmitting the thrust of a rim propeller to a ship body through a shafting to propel a ship to sail. The existing rim propeller mainly generates torque and rotating speed through a ship host, then transmits the torque and the rotating speed to a tail shaft propeller through shafting equipment so as to drive the propeller to rotate, transmits thrust generated by rotation of the propeller to a thrust bearing through the shafting equipment, and then transmits the thrust to a ship body so as to push the ship body to move.
The existing rim propeller is complex in structure and high in failure probability, and the propeller rotates in a flow field to generate various pulsating forces so as to cause shafting vibration, and the vibration is transmitted to a ship body through the thrust bearing device to cause a ship to generate large vibration noise.
Disclosure of Invention
The invention provides a thrust bearing and a ship, which are used for solving the problems that the thrust bearing in the prior art is complex in structure and generates large vibration noise.
In a first aspect, the present invention provides a thrust bearing comprising: the bearing comprises a bearing stator, a bearing rotor, a first disk tile assembly, a first mounting seat, a second mounting seat and a second disk tile assembly;
the bearing rotor is rotatably sleeved on the bearing stator; the first mounting seat is detachably connected to the bearing rotor and provided with a first mounting surface and a second mounting surface which are opposite to each other;
the bearing stator is provided with a third mounting surface, the second mounting seat is detachably connected to the end part of the bearing stator, and the second mounting seat is provided with a fourth mounting surface opposite to the third mounting surface; the first mounting surface is opposite to the third mounting surface, and the second mounting surface is opposite to the fourth mounting surface;
the two sides of the first disc tile assembly are respectively arranged on the first mounting surface and the third mounting surface, and the first disc tile assembly is used for providing thrust along a first direction for the thrust bearing; two sides of the second disc tile assembly are respectively arranged on the second mounting surface and the fourth mounting surface, and the second disc tile assembly is used for providing thrust along a second direction for the thrust bearing;
wherein the first direction is opposite to the second direction.
According to the thrust bearing provided by the invention, the first disc tile assembly comprises a first thrust tile and a first thrust disc;
the first thrust pad is mounted on the third mounting surface, the first thrust disc is mounted on the first mounting surface, and the first thrust disc and the first thrust pad are arranged oppositely.
According to the thrust bearing provided by the invention, a first gap is formed between the first thrust disc and the first thrust pad.
According to the thrust bearing provided by the invention, the thrust bearing further comprises a third mounting seat, the third mounting seat is detachably connected to the bearing stator, and the first thrust pad is connected with the third mounting surface through the third mounting seat.
According to the thrust bearing provided by the invention, the thrust bearing further comprises a first vibration reduction connecting piece, and two sides of the first vibration reduction connecting piece are respectively connected to the third mounting seat and the first thrust pad; the first vibration reduction connecting piece is made of vibration reduction materials.
According to the thrust bearing provided by the invention, the thrust bearing further comprises a limiting piece, the limiting piece is wound on the bearing stator along the circumferential direction of the bearing stator, and the limiting piece is abutted against one side, away from the third mounting surface, of the third mounting seat.
According to the thrust bearing provided by the invention, the second disc tile assembly comprises a second thrust disc and a second thrust tile;
the second thrust pad is mounted on the fourth mounting surface, the second thrust disc is mounted on the second mounting surface, and the second thrust disc and the second thrust pad are arranged oppositely.
According to the thrust bearing provided by the invention, a second gap is formed between the second thrust disc and the second thrust pad.
According to the thrust bearing provided by the invention, the thrust bearing further comprises a second vibration reduction connecting piece, and two sides of the second vibration reduction connecting piece are respectively connected to the second mounting seat and the second thrust pad; the second vibration reduction connecting piece is made of vibration reduction materials.
In a second aspect, the present invention provides a rim thruster comprising: a rotating shaft and a thrust bearing as defined in any one of the above first aspects, the thrust bearing being connected to the rotating shaft, the rotating shaft being adapted to drive the bearing rotor to rotate.
The invention provides a thrust bearing, comprising: the bearing stator, the bearing rotor, the first disc tile assembly, the first mounting seat, the second mounting seat and the second disc tile assembly are arranged, the first disc tile assembly and the second disc tile assembly are respectively connected to the bearing stator and the bearing rotor so as to transmit axial force generated by the bearing rotor to the bearing stator, and further drive an external object fixedly connected with the bearing stator to axially move, moreover, the first disc tile assembly is used for providing thrust along a first direction for the thrust bearing, and the second disc tile assembly is used for providing thrust along a second direction for the thrust bearing, so that the external object fixedly connected with the bearing stator can selectively move along the first direction or the second direction, namely, the thrust bearing can selectively provide forward vehicle thrust and reverse vehicle thrust, the structure is simpler, and the functions are richer; simultaneously, bearing stator and bearing rotor realize the transmission through first dish tile subassembly and second dish tile subassembly and be connected, need not direct contact, avoid producing wearing and tearing when rotating to realized thrust bearing axial direction's damping, reduced the production of noise.
Further, the present invention provides a ship having the same advantages as described above, since the ship has the thrust bearing as described above.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a thrust bearing provided by an embodiment of the present invention;
reference numerals:
1: a bearing stator; 2: a bearing rotor; 3: a first tile assembly; 31: a first thrust disc; 32: a first thrust shoe; 4: a first mounting seat; 5: a second mounting seat; 6: a second pan tile assembly; 61: a second thrust disc; 62: a second thrust pad; 7: a third mounting seat; 8: a first vibration dampening coupling; 9: a second vibration dampening coupling; 10: and a limiting member.
Detailed Description
In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "first", "second", "third" and "fourth" are numbers that are used to clearly illustrate parts of a product, do not represent any substantial difference, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A thrust bearing and rim propulsor in accordance with an embodiment of the present invention will now be described with reference to figure 1.
In a first aspect, an embodiment of the present invention provides a thrust bearing, including: bearing stator 1, bearing rotor 2, first dish tile subassembly 3, first mount pad 4, second mount pad 5 and second dish tile subassembly 6.
The bearing rotor 2 is rotatably sleeved on the bearing stator 1; the first mounting seat 4 is detachably connected to the bearing rotor 2, and the first mounting seat 4 has a first mounting surface and a second mounting surface which are opposite to each other.
The bearing stator 1 is provided with a third mounting surface, the second mounting seat 5 is detachably connected to the end part of the bearing stator 1, and the second mounting seat 5 is provided with a fourth mounting surface opposite to the third mounting surface; the first mounting surface is opposite to the third mounting surface, and the second mounting surface is opposite to the fourth mounting surface.
Two sides of the first disc tile component 3 are respectively arranged on the first mounting surface and the third mounting surface, and the first disc tile component 3 is used for providing thrust along a first direction for the thrust bearing; the second installation face and fourth installation face are located respectively to the both sides of second dish tile subassembly 6, and second dish tile subassembly 6 is used for providing the thrust along the second direction for thrust bearing.
Wherein the first direction is opposite to the second direction.
Specifically, as shown in fig. 1, the bearing rotor 2 is coaxially arranged with the bearing stator 1, and the bearing rotor 2 is sleeved on the periphery of the bearing stator 1, and the bearing rotor 2 can rotate relative to the bearing stator 1. A gap is formed between the bearing rotor 2 and the bearing stator 1, the bearing rotor 2 and the bearing stator 1 are not in direct contact, and a first disc tile assembly 3 and a second disc tile assembly 6 are installed at the tail ends of the bearing rotor 2 and the bearing stator 1.
The tail end of the bearing rotor 2 is connected with the first mounting seat 4, in order to achieve convenience of installation and disassembly, the tail end of the bearing rotor 2 can be provided with a mounting hole, and the first mounting seat 4 is mounted at the mounting hole through a bolt, so that modular design is achieved.
The tail end of the bearing stator 1 is connected with a second mounting seat 5, in order to achieve convenience of installation and disassembly, the tail end of the bearing stator 1 is also provided with a mounting hole, the second mounting seat 5 is mounted at the mounting hole through a bolt, and modular design is further achieved.
As shown in fig. 1, a left side surface of the first mounting seat 4 is defined as a first mounting surface, and a right side surface of the first mounting seat 4 is defined as a second mounting surface; one end of the first tile assembly 3 is connected to the first mounting surface of the first mounting seat 4, and one end of the second tile assembly 6 is connected to the second mounting surface of the first mounting seat 4.
The end part of the bearing stator 1 is provided with a bulge, a platform surface defining the end part is a third mounting surface, and a boss surface is a fourth mounting surface; the other end of the first tile assembly 3 is connected to the third mounting surface, and the other end of the second tile assembly 6 is connected to the fourth mounting surface.
First dish tile subassembly 3, second dish tile subassembly 6, first mount pad 4 and second mount pad 5 all set up around the axis of bearing stator 1, and lay coaxially.
When bearing rotor 2 rotated, can transmit axial thrust to bearing stator 1 through first dish tile subassembly 3 and second dish tile subassembly 6, prevent to produce the collision between bearing rotor 2 and the bearing stator 1, wherein first dish tile subassembly 3 can provide the axial thrust when boats and ships retreat, and second dish tile subassembly 6 can provide the axial thrust when boats and ships advance.
The thrust bearing provided by the embodiment of the invention comprises: the bearing stator 1, the bearing rotor 2, the first disc tile component 3, the first mounting seat 4, the second mounting seat 5 and the second disc tile component 6 are arranged, the first disc tile component 3 and the second disc tile component 6 are respectively connected to the bearing stator 1 and the bearing rotor 2, so that axial force generated by the bearing rotor 2 is transmitted to the bearing stator 1, and further, the axial movement of an external object fixedly connected with the bearing stator 1 is driven, moreover, the first disc tile component 3 is used for providing thrust along a first direction for the thrust bearing, the second disc tile component 6 is used for providing thrust along a second direction for the thrust bearing, so that the external object fixedly connected with the bearing stator 1 can selectively move along the first direction or the second direction, namely, the thrust bearing can selectively provide forward thrust and reverse thrust, the structure is simpler, and the functions are richer; meanwhile, the bearing stator 1 and the bearing rotor 2 are in transmission connection through the first disc tile assembly 3 and the second disc tile assembly 6, direct contact is not needed, abrasion in rotation is avoided, vibration reduction in the axial direction of the thrust bearing is achieved, and noise is reduced.
In an alternative embodiment, the first disk shoe assembly 3 comprises a first thrust disk 31 and a first thrust shoe 32.
The first thrust pad 32 is mounted on the third mounting surface, the first thrust disk 31 is mounted on the first mounting surface, and the first thrust disk 31 is disposed opposite to the first thrust pad 32.
Specifically, as shown in fig. 1, the first disc assembly 3 is composed of a first thrust disc 31 and a first thrust pad 32, the first thrust disc 31 is connected to the left side surface of the first mounting seat 4, the first thrust pad 32 is connected to the bearing stator 1, when the ship needs to retreat, the bearing rotor 2 rotates to drive the first mounting seat 4 to rotate, the first mounting seat 4 drives the first thrust disc 31 to rotate, so as to generate an axial thrust toward the first direction to the first thrust pad 32, and the left direction (the direction in which the ship retreats) in fig. 1 is defined as the first direction.
In addition, it should be noted that, because the thrust bearing is used in a marine environment, the space between the first thrust pad 32 and the first thrust disc 31 may be immersed in a water body, the disc pad structure is directly lubricated by water to generate a liquid film force, and no special lubrication and cooling system is required to be provided, when the first thrust pad 32 and the first thrust disc 31 rotate relatively, the liquid film force is generated by dynamic pressure lubrication, so that normal rotation of the bearing rotor 2 relative to the bearing stator 1 is ensured, and a thrust in the first direction is provided.
The first thrust pad 32 may be made of a high polymer material with a good self-lubricating property, such as Polyetheretherketone (PEEK); the 31W of the first thrust disc is preferably made of hard alloy materials such as 625 alloy and the like.
Further, in order to further reduce mechanical contact and thereby reduce vibration and noise caused by friction, a first gap is formed between the first thrust disk 31 and the first thrust shoe 32.
In an alternative embodiment, the thrust bearing further comprises a third mounting seat 7, the third mounting seat 7 being detachably connected to the bearing stator 1, the first thrust shoe 32 being connected to the third mounting surface via the third mounting seat 7.
Specifically, for the convenience of the installation and the dismantlement of first thrust tile 32, be equipped with the mounting hole on the platform face of bearing stator 1, install third mount pad 7 in mounting hole department through the bolt, can further realize the modularized design, convenient operation.
In an alternative embodiment, the thrust bearing further comprises a first damping connecting piece 8, and two sides of the first damping connecting piece 8 are respectively connected to the third mounting seat 7 and the first thrust pad 32; the first vibration damping connecting piece 8 is made of vibration damping materials.
Specifically, as shown in fig. 1, a first damping connecting piece 8 is disposed between the third mounting seat 7 and the first thrust shoe 32, the first thrust shoe 32 may be an integral annular piece, and may be a plurality of arc-shaped pieces, and correspondingly, the first damping connecting piece 8 may be an integral annular piece, and may be a plurality of arc-shaped pieces.
In the case of a plurality of first damper couplings 8 and a plurality of first thrust shoes 32, the number of arcuate first damper couplings 8 matches the number of first thrust shoes 32 and the mounting locations correspond, in some examples 6 first thrust shoes 32, 6 first damper couplings 8, and an arc of 48 ° may be provided.
The first vibration damping connection 8 is provided for vibration damping, and therefore the first vibration damping connection 8 is made of a vibration damping material, such as a high damping vibration damping non-metallic material like rubber, so that after the axial vibration is transmitted to the first thrust pad 32, the vibration transmitted to the first thrust disc 31 and the first mounting seat 4 is reduced after being damped by the first vibration damping connection 8.
Further, in order to perform the limit mounting of the third mounting seat 7, as shown in fig. 1, the thrust bearing further includes a limiting member 10, the limiting member 10 is wound on the bearing stator 1 along the circumferential direction of the bearing stator 1, and the limiting member 10 abuts against one side of the third mounting seat 7 away from the third mounting surface.
In an alternative embodiment, the second disk shoe assembly 6 includes a second thrust disk 61 and a second thrust shoe 62.
The second thrust disk 61 is attached to the fourth attachment surface, the second thrust pad 62 is attached to the second attachment surface, and the second thrust disk 61 is disposed opposite to the second thrust pad 62.
Specifically, as shown in fig. 1, a second disk shoe assembly 6 is provided on the first mounting seat 4, and the second disk shoe assembly 6 is composed of a second thrust disk 61 and a second thrust shoe 62. Second thrust tile 62 is connected with bearing stator 1 through second mount pad 5, and when boats and ships need move ahead, bearing rotor 2 rotates and drives first mount pad 4 and rotate, and first mount pad 4 drives second thrust dish 61 and rotates to produce the axial thrust towards the second direction to second thrust tile 62, the direction of definition figure 1 right (the direction that boats and ships moved ahead) is the second direction.
The second disc shoe assembly 6 is identical to the first disc shoe assembly 3 in structure and corresponding working principle, and is not described herein again, and the dimensions of the second disc shoe assembly and the first disc shoe assembly may be different, and the specific dimensions may be set adaptively according to the magnitude of the thrust.
Further, in order to further reduce mechanical contact and thus reduce vibration and noise caused by friction, a second gap is formed between the second thrust disk 61 and the second thrust shoe 62.
In an alternative embodiment, the thrust bearing further comprises a second damping connecting piece 9, and two sides of the second damping connecting piece 9 are respectively connected to the second mounting seat 5 and the second thrust pad 62; the second vibration damping connecting piece 9 is made of vibration damping materials.
Specifically, the second vibration damping connecting piece 9 is arranged between the second mounting seat 5 and the second thrust pad 62, and as the first vibration damping connecting piece 8 is arranged between the third mounting seat 7 and the first thrust pad 32, which can be described above, the second vibration damping connecting piece 9 also serves to damp vibration, so that the second vibration damping connecting piece 9 and the first vibration damping connecting piece 8 can be made of vibration damping materials, such as high-damping vibration damping non-metallic materials such as rubber, and the like, so that when axial vibration is transmitted to the second thrust pad 62, the vibration transmitted to the second thrust disc 61 and the first mounting seat 4 is reduced after being damped by the second vibration damping connecting piece 9.
The second damping connecting piece 9 and the first damping connecting piece 8 can be the same in size or different in size, and the specific size can be set adaptively according to the size of the thrust.
In a second aspect, an embodiment of the present invention provides a rim thruster, including: a rotary shaft and a thrust bearing as in the first aspect, the thrust bearing being connected to the rotary shaft, the rotary shaft being adapted to drive the bearing rotor 2 in rotation.
Specifically, the rotating shaft is used to provide rotational power to the bearing rotor 2 in the thrust bearing to enable the bearing rotor 2 to rotate. Because the rim propeller adopts the thrust bearing for the rim propeller shown in the above embodiment, the specific structure of the thrust bearing refers to the above embodiment, and because the rim propeller adopts all technical solutions of all the above embodiments, the thrust bearing at least has all the beneficial effects brought by the technical solutions of the above embodiments, and no further description is given here.
The above-described embodiments of the apparatus are merely illustrative, and units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment, and those skilled in the art can understand and implement the solution without creative efforts.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A thrust bearing, comprising: the bearing comprises a bearing stator, a bearing rotor, a first disk tile assembly, a first mounting seat, a second mounting seat and a second disk tile assembly;
the bearing rotor is rotatably sleeved on the bearing stator; the first mounting seat is detachably connected to the bearing rotor and provided with a first mounting surface and a second mounting surface which are opposite to each other;
the bearing stator is provided with a third mounting surface, the second mounting seat is detachably connected to the end part of the bearing stator, and the second mounting seat is provided with a fourth mounting surface opposite to the third mounting surface; the first mounting surface is opposite to the third mounting surface, and the second mounting surface is opposite to the fourth mounting surface;
the two sides of the first disc tile assembly are respectively arranged on the first mounting surface and the third mounting surface, and the first disc tile assembly is used for providing thrust along a first direction for the thrust bearing; the two sides of the second disc tile assembly are respectively arranged on the second mounting surface and the fourth mounting surface, and the second disc tile assembly is used for providing thrust along a second direction for the thrust bearing;
wherein the first direction is opposite the second direction.
2. The thrust bearing of claim 1, wherein the first disk pad assembly includes a first thrust disk and a first thrust pad;
the first thrust pad is mounted on the third mounting surface along the axial direction of the bearing stator, the first thrust disc is mounted on the first mounting surface, and the first thrust disc and the first thrust pad are arranged oppositely.
3. A thrust bearing according to claim 2, wherein a first gap is formed between the first thrust disc and the first thrust pad.
4. A thrust bearing according to claim 2, further comprising a third mounting block, the third mounting block being removably attachable to the bearing stator, the first thrust pad being connected to the third mounting surface via the third mounting block.
5. The thrust bearing of claim 4, further comprising a first damping connection coupled on either side to said third mount pad and said first thrust shoe, respectively; the first vibration reduction connecting piece is made of vibration reduction materials.
6. The thrust bearing of claim 4, further comprising a limiting member disposed around the bearing stator along a circumferential direction of the bearing stator, wherein the limiting member abuts against a side of the third mounting seat away from the third mounting surface.
7. The thrust bearing of claim 1, wherein the second disk shoe assembly includes a second thrust disk and a second thrust shoe;
the second thrust pad is mounted on the fourth mounting surface, the second thrust disc is mounted on the second mounting surface, and the second thrust disc and the second thrust pad are arranged oppositely.
8. The thrust bearing of claim 7, wherein a second gap is formed between the second thrust disc and the second thrust pad.
9. The thrust bearing of claim 7, further comprising a second dampening coupling member coupled on either side to the second mounting block and the second thrust shoe; the second vibration reduction connecting piece is made of vibration reduction materials.
10. A rim propeller, comprising: a rotary shaft and a thrust bearing as claimed in any one of claims 1 to 9, the thrust bearing being connected to the rotary shaft for driving rotation of a bearing rotor.
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CN202210636391.0A CN115030952A (en) | 2022-06-06 | 2022-06-06 | Thrust bearing and rim propeller |
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CN202210636391.0A CN115030952A (en) | 2022-06-06 | 2022-06-06 | Thrust bearing and rim propeller |
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