CN220828440U - Split oil ring ship intermediate bearing - Google Patents
Split oil ring ship intermediate bearing Download PDFInfo
- Publication number
- CN220828440U CN220828440U CN202322807598.2U CN202322807598U CN220828440U CN 220828440 U CN220828440 U CN 220828440U CN 202322807598 U CN202322807598 U CN 202322807598U CN 220828440 U CN220828440 U CN 220828440U
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- Prior art keywords
- oil
- bushing
- ring
- guide sleeve
- rings
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- 238000005461 lubrication Methods 0.000 claims description 15
- 239000003921 oil Substances 0.000 abstract description 133
- 239000010687 lubricating oil Substances 0.000 abstract description 55
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses a split oil ring ship intermediate bearing, which comprises an intermediate bearing seat provided with a shaft bushing and oil rings, wherein an oil guide sleeve which synchronously runs along with the intermediate shaft is arranged between the two shaft bushing, two oil ring check rings are arranged on the oil guide sleeve, oil guide grooves are uniformly distributed at orifices of two inclined ends of the axial middle part of the oil guide sleeve along the circumferential direction of the outer periphery of the oil guide sleeve, the oil rings combined into a whole by two semi-rings are positioned between the two oil ring check rings, at least two upper and lower lubricating oil grooves are arranged on the inner wall of the shaft bushing, the lubricating oil grooves start from the inner side end of the shaft bushing to the outer side end of the shaft bushing, a notch communicated with the lubricating oil groove above is arranged at the highest position of the inner side end of the shaft bushing, and an oil inlet groove with the bottom surface communicated with the lubricating oil groove below is formed on the inner side end surface of the shaft bushing. The split oil ring ship intermediate bearing can ensure that lubricating oil on an oil ring is accurately transmitted to the matching position of an intermediate shaft and a bushing.
Description
Technical Field
The utility model relates to a ship fitting, in particular to a bearing for supporting a middle shaft of a ship transmission shaft system.
Background
The ship power transmission system transmits ship driving power to the stern shaft through the intermediate shaft, the intermediate shaft is supported through an intermediate bearing, a left bushing and a right bushing for supporting the intermediate shaft are mounted on the intermediate bearing, lubrication between the bushing and the intermediate shaft is realized through lubricating oil provided by an oil ring between the left bushing and the right bushing, the oil ring is hung on the intermediate shaft, the oil ring is rotated by virtue of friction force between the intermediate shaft and the oil ring, and the lubricating oil in an oil pool in the intermediate shaft seat is brought onto the intermediate shaft by the rotating oil ring and flows into the space between the intermediate shaft and the bushing. The conventional lubricating oil supply mode between the intermediate shaft and the bushing can only bring lubricating oil to the contact position between the intermediate shaft and the oil ring, but the lubricating oil is difficult to accurately transfer to the journal where the intermediate shaft is matched with the bushing, so that the reliability of lubrication between the intermediate shaft and the bushing cannot be ensured, the transmission efficiency is extremely easy to be reduced, and the intermediate bearing is damaged.
Disclosure of utility model
Aiming at the defects existing in the prior art, the technical problem to be solved by the utility model is to provide the split oil ring ship intermediate bearing which can ensure that lubricating oil on an oil ring is accurately transmitted to the matching position of an intermediate shaft and a bushing.
In order to solve the technical problems, the split oil ring ship intermediate bearing comprises an intermediate bearing seat, a left bushing, a right bushing and an oil ring, wherein the left bushing and the right bushing are arranged on the intermediate bearing seat, the oil ring is positioned between the left bushing and the right bushing, an oil guide sleeve which synchronously runs along with a ship intermediate shaft is further arranged between the left bushing and the right bushing, two ends of the oil guide sleeve are respectively close to inner side end surfaces of the left bushing and the right bushing, two oil ring check rings are arranged on the oil guide sleeve, a plurality of oil guide grooves are uniformly distributed on the periphery of the oil guide sleeve along the circumferential direction, and the bottoms of the oil guide grooves incline to the positions of orifices at two ends from the middle part of the axial direction of the oil guide sleeve; the oil ring is positioned between the two oil ring check rings, and the oil ring is formed by combining two semi-rings into a whole; the inner wall of the bushing is provided with at least an upper lubricating oil groove and a lower lubricating oil groove, the upper lubricating oil groove starts from the highest position of the inner side end of the bushing and ends at the outer side end of the bushing, a notch communicated with the upper lubricating oil groove is arranged at the highest position of the inner side end of the bushing, the lower lubricating oil groove starts from the middle part of the inner side end of the bushing and ends at the outer side end of the bushing, the inner side end face of the bushing is provided with an oil inlet groove, and the bottom surface of the oil inlet groove is communicated with the lower lubricating oil groove.
In the structure, as the oil guide sleeve synchronously running along with the middle shaft of the ship is further arranged between the left bushing and the right bushing, two oil ring check rings are arranged on the oil guide sleeve, a plurality of oil guide grooves are uniformly distributed on the periphery of the oil guide sleeve along the circumferential direction, the bottom of each oil guide groove is positioned at the orifice of the middle inclined end of the axial direction of the oil guide sleeve, the oil rings are positioned between the two oil ring check rings, the oil rings are combined into a whole by the two semi-rings, the oil rings are hung between the two oil ring check rings on the oil guide sleeve, along with the operation of the oil rings, lubricating oil carried by the oil rings is transmitted to the upper part of the oil guide sleeve and naturally enters the oil guide grooves on the upper part of the oil guide sleeve, and the joint of the inner side end faces of the left bushing and the right bushing close to the two ends of the oil guide sleeve along the bottom of the oil guide grooves at the orifice of the inclined end is ensured that the lubricating oil on the oil guide sleeve is accurately transmitted to the joint of the middle shaft and the bushing, and the oil rings combined into the two semi-rings are combined into a whole, so that the oil rings can be conveniently installed or replaced.
The upper lubricating oil groove starts from the highest position of the inner side end of the bushing and ends at the outer side end of the bushing, a notch communicated with the upper lubricating oil groove is formed in the highest position of the inner side end of the bushing, the lower lubricating oil groove starts from the middle of the inner side end of the bushing and ends at the outer side end of the bushing, an oil inlet groove is formed in the inner side end face of the bushing, the bottom face of the oil inlet groove is communicated with the lower lubricating oil groove, and lubricating oil transmitted to the joint of the inner side end faces of the left bushing and the right bushing and the intermediate shaft through the oil guiding grooves in the upper part of the oil guiding sleeve flows into the upper lubricating oil groove through the notch communicated with the upper lubricating oil groove formed in the highest position of the inner side end of the shaft bushing, and flows from the inner side end of the shaft bushing to the outer side end which reaches the whole axial length of the shaft bushing, so that the whole shaft bushing can be reliably lubricated; in addition, the lubricating oil carried up by the oil ring inevitably drops from the oil ring before reaching the upper part of the oil guiding sleeve, and a lot of lubricating oil dropped in the middle part of the oil guiding sleeve or the middle upper part of the inner side end of the shaft bushing can drop into the lubricating oil groove below through the oil inlet groove formed in the inner side end surface of the shaft bushing, and the lubricating oil can flow from the inner side end of the shaft bushing to the outer side end of the shaft bushing through the whole axial length of the shaft bushing, so that the whole shaft bushing can be reliably lubricated, and therefore, the oil inlet lubrication of the upper part and the lower part is obtained at the matched shaft neck between the intermediate shaft and the shaft bushing, the lubricating oil on the oil ring is accurately transmitted to the matched part of the intermediate shaft and the shaft bushing, and the lubricating of the intermediate shaft on the intermediate shaft seat is reliably ensured.
In a preferred embodiment of the utility model, the oil guide sleeve is fixedly connected to the ship intermediate shaft through a set screw. By adopting the embodiment, the oil guide sleeve can be simply and conveniently installed and connected with the intermediate shaft at a required position and can synchronously run along with the intermediate shaft of the ship.
In another preferred embodiment of the utility model, the intersection line of the two side walls of the oil guide groove on the oil guide sleeve and the end surface of the oil guide sleeve is V-shaped. With this embodiment, the lubricating oil in the oil guide groove on the oil guide sleeve can be injected into the lubricating oil groove more accurately.
In a further preferred embodiment of the utility model, the two half rings of the oil ring are integrated by a connecting piece. By adopting the implementation mode, the arrangement of the connecting piece can lead the combination connection and the disassembly of the two semi-rings to be more convenient.
According to a further preferred embodiment of the utility model, the connecting piece comprises a connecting seat and a clamping piece, two connecting pins are arranged on the connecting seat and respectively penetrate through the opening ends of the two semi-rings, clamping grooves are formed in the outer ends of the two connecting pins, the clamping piece is in clamping connection with the clamping grooves, the connecting seat is inwards recessed in the inner walls of the two semi-rings, and the inner side surfaces of the connecting seat and the inner side surfaces of the clamping piece are respectively attached to the inner surfaces and the outer surfaces of the corresponding parts of the two semi-rings. By adopting the embodiment, the two semi-rings combined into the oil ring can be ensured to be accurately connected into a whole.
In a further preferred embodiment of the utility model, the path of the upper lubrication groove ends at the bushing outer end in a clockwise and/or counter-clockwise direction around a quarter turn of the bushing. By adopting the embodiment, the lubricating oil in the lubricating oil groove above can smoothly flow through the whole length of the bushing under the action of dead weight, so that the lubricating effect is ensured.
In a still further preferred embodiment of the present utility model, the oil inlet groove penetrates through the side wall of the bushing, and the bottom of the oil inlet groove is located on the front and rear side walls of the bushing. By adopting the embodiment, the oil inlet grooves form the groove bottom parts communicated with the lubricating oil grooves at the front and back parts of the side wall of the bushing, and accordingly, the positions and the number of the lubricating oil grooves below can be flexibly set according to the needs.
In a further preferred embodiment of the utility model, the lower lubrication groove starts in the middle of the front and/or rear side walls of the inner end of the bushing and ends in the lowest part of the outer end of the bushing. By adopting the embodiment, one or two lubricating oil grooves can be arranged below the bearing bush, and lubricating oil entering the lubricating oil grooves below can smoothly flow through the whole length of the bearing bush under the action of dead weight, so that the lubricating effect is ensured.
Drawings
The split oil ring marine intermediate bearing of the present utility model will be described in further detail with reference to the accompanying drawings and specific examples.
FIG. 1 is a schematic view of the structure of one embodiment of the split oil ring marine intermediate bearing of the present utility model;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 at location I;
FIG. 3 is a schematic view of the oil jacket of the structure of FIG. 1;
FIG. 4 is a schematic view of the oil ring in the configuration of FIG. 1;
FIG. 5 is an enlarged partial cross-sectional view of the portion II of the structure of FIG. 4;
FIG. 6 is a right side view of FIG. 5;
FIG. 7 is a schematic view of the bushing in the configuration of FIG. 1;
FIG. 8 is a left side cross-sectional view of the structure shown in FIG. 7 at A-A.
In the figure: 1-middle bearing seat, 2-oil ring, 3-oil guiding sleeve, 4-bushing, 5-lubricating oil groove, 6-oil inlet groove, 7-middle shaft, 8-notch, 9-oil ring retainer ring, 10-oil guiding groove, 11-connecting piece, 12-half ring, 13-connecting seat, 14-clamping piece, 15-connecting pin and 16-clamping groove.
Detailed Description
In the split oil ring marine intermediate bearing shown in fig. 1 and 2, the intermediate bearing housing 1 is a base of an intermediate bearing for supporting an intermediate shaft 7 on a marine vessel, the intermediate shaft 7 is supported by left and right bushings 4 attached to the intermediate bearing housing 1, sealing rings are provided on the outer sides of the left and right bushings 4 to ensure sealing between the intermediate bearing housing 1 and the intermediate shaft 7, and lubricating oil is stored in the inner bottom of the intermediate bearing housing 1. An oil guide sleeve 3 which synchronously runs along with an intermediate shaft 7 is arranged between the left bushing 4 and the right bushing 4, the oil guide sleeve 3 is fixedly connected to the intermediate shaft 7 of a ship through a set screw, two ends of the oil guide sleeve 3 are respectively close to inner side end surfaces of the left bushing 4 and the right bushing 4, a left oil ring retainer ring 9 and a right oil ring retainer ring 9 are arranged on the oil guide sleeve 3, the oil ring retainer ring 9 is preferably a shoulder arranged on the oil guide sleeve 3, a plurality of oil guide grooves 10 are uniformly distributed on the periphery of the oil guide sleeve 3 along the circumferential direction, as shown in fig. 1 and 2, the bottoms of the oil guide grooves 10 incline to the orifices at two ends from the axial middle part of the oil guide sleeve 3, and intersecting lines of two side walls of the oil guide grooves 10 on the oil guide sleeve 3 and the end surfaces of the oil guide sleeve 3 form a V shape; the oil ring 2 is located between the left bushing 4 and the right bushing 4 and is hung between the two oil ring check rings 9 on the oil guide sleeve 3, the oil ring 2 is formed by combining two semi-rings 12 into a whole, referring to fig. 4, 5 and 6, the two semi-rings 12 of the oil ring 2 are combined into a whole through two groups of connecting pieces 11, each connecting piece 11 comprises a connecting seat 13 and a clamping piece 14, two connecting pins 15 are arranged on the connecting seats 13, the two connecting pins 15 respectively penetrate through the open ends of the two semi-rings 12, clamping grooves 16 are formed in the outer ends of the two connecting pins 15, the clamping pieces 14 are simultaneously clamped and connected with the clamping grooves 16 on the two connecting pins 15, the connecting seats 13 are inwards recessed in the inner walls of the two semi-rings 12, and the inner side surfaces of the connecting seats 13 and the inner side surfaces of the clamping pieces 14 are respectively attached to the inner surfaces and outer surfaces of the corresponding parts of the two semi-rings 12. At least two upper and lower lubricating oil grooves 5 are arranged on the inner wall of each shaft bushing 4, the upper lubricating oil groove 5 starts at the highest position of the inner side end of the shaft bushing 4 and ends at the outer side end of the shaft bushing 4, the preferable path of the upper lubricating oil groove 5 is that the upper lubricating oil groove 5 bypasses the shaft bushing 4 in the clockwise and/or anticlockwise direction and ends at the outer side end of the shaft bushing 4 in a quarter circle, see fig. 7 and 8, and a notch 8 communicated with the upper lubricating oil groove 5 is arranged at the highest position of the inner side end of the shaft bushing 4; the lower lubrication groove 5 starts from the middle of the inner side end of the bushing 4 and ends at the outer side end of the bushing 4, an oil inlet groove 6 is formed in the inner side end surface of the bushing 4, the bottom surface of the oil inlet groove 6 is communicated with the lower lubrication groove 5, see fig. 7 and 8, the oil inlet groove 6 preferably penetrates through the side wall of the bushing 4 from the position between the middle and the upper part of the inner side end of the bushing 4, the bottom of the oil inlet groove 6 is located on the front side wall and the rear side wall of the bushing 4, and the preferred path of the lower lubrication groove 5 is the lowest position starting from the middle of the front side wall and/or the rear side wall of the inner side end of the bushing 4 and ends at the outer side end of the bushing 4.
The oil ring 2 hung between the two oil ring retainers 9 on the oil guiding sleeve 3 is driven to run by the oil guiding sleeve 3 along with the rotation of the intermediate shaft 7, the lubricating oil carried by the oil ring 2 is conveyed to the oil guiding sleeve 3 and naturally enters into the oil guiding grooves 10 at the upper part of the oil guiding sleeve 3, and flows to the notches 8 on the inner side end surfaces of the left and right shaft bushings 4 along the bottoms of the oil guiding grooves 10 at the inclined two end openings respectively, and flows into the upper lubricating oil grooves 5 through the notches 8, meanwhile, part of the lubricating oil carried by the oil ring 2 drops from the oil ring 2 before reaching the upper part of the oil guiding sleeve 3, the part of the lubricating oil dropped midway enters into the lower lubricating oil groove 5 through the oil inlet grooves 6 formed on the inner side end surfaces of the shaft bushings 4, and the lubricating oil entering into the oil grooves 5 flows to the outer side ends of the shaft bushings 4 along the whole length of the shaft bushings 4, so that the upper and lower parts of the shaft bushings 4 can be reliably and accurately lubricated, and the lubricating oil on the intermediate shaft 7 and the shaft bushings 4 can be matched, and the bearing journals can be reliably lubricated, and the lubricating oil on the intermediate shaft 7 and the intermediate shaft 7 can be reliably matched with the intermediate shaft 7.
The foregoing is merely illustrative of some preferred embodiments of the present utility model, but the utility model is not limited thereto and many modifications and variations are possible. Any modifications or variations which are based on the basic principles of the present utility model should be considered as falling within the scope of the present utility model.
Claims (8)
1. The utility model provides a split oil ring boats and ships intermediate bearing, includes intermediate bearing frame (1), installs two left and right bushings (4) on intermediate bearing frame (1) and is located oil ring (2) between two left and right bushings (4), its characterized in that: an oil guide sleeve (3) which synchronously runs along with the middle shaft of the ship is further arranged between the left bushing (4) and the right bushing (4), two ends of the oil guide sleeve (3) are respectively close to the inner side end surfaces of the left bushing (4) and the right bushing (4), two oil ring check rings (9) are arranged on the oil guide sleeve (3), a plurality of oil guide grooves (10) are uniformly distributed on the periphery of the oil guide sleeve (3) along the circumferential direction, and the bottoms of the oil guide grooves (10) incline from the middle part of the axial direction of the oil guide sleeve (3) to the orifices at two ends; the oil ring (2) is positioned between the two oil ring check rings (9), and the oil ring (2) is formed by combining two semi-rings (12) into a whole; be equipped with two at least lubrication groove (5) about on bushing (4) inner wall, lubrication groove (5) of top begin in the highest department of bushing (4) inboard end and end in bushing (4) outside end, be equipped with breach (8) that are linked together with lubrication groove (5) of this top in the inboard end highest department of bushing (4), lubrication groove (5) of below begin in the middle part of bushing (4) inboard end and end in bushing (4) outside end, it has oil feed recess (6) to open on the inboard terminal surface of bushing (4), the bottom surface of this oil feed recess (6) is linked together with lubrication groove (5) of below.
2. The split oil-ring marine intermediate bearing of claim 1, wherein: the oil guide sleeve (3) is fixedly connected to the middle shaft of the ship through a set screw.
3. The split oil-ring marine intermediate bearing of claim 1, wherein: and intersecting lines of two side walls of the oil guide groove (10) on the oil guide sleeve (3) and the end surface of the oil guide sleeve (3) are V-shaped.
4. The split oil-ring marine intermediate bearing of claim 1, wherein: the two semi-rings (12) of the oil ring (2) are combined into a whole through the connecting piece (11).
5. The split oil-ring marine intermediate bearing of claim 4, wherein: the connecting piece (11) comprises a connecting seat (13) and a clamping piece (14), two connecting pins (15) are arranged on the connecting seat (13), the two connecting pins (15) respectively penetrate through the opening ends of the two semi-rings (12), clamping grooves (16) are formed in the outer ends of the two connecting pins (15), the clamping piece (14) is connected with the clamping grooves (16) in a clamping and inserting mode, the connecting seat (13) is concaved inwards in the inner wall of the two semi-rings (12), and the inner side face of the connecting seat (13) and the inner side face of the clamping piece (14) are respectively attached to the inner surface and the outer surface of the corresponding part of the two semi-rings (12).
6. The split oil-ring marine intermediate bearing of claim 1, wherein: the path of the upper lubrication groove (5) bypasses the bushing (4) in a clockwise and/or counterclockwise direction and ends at the outer end of the bushing (4) in a quarter turn.
7. The split oil-ring marine intermediate bearing of claim 1, wherein: the oil inlet groove (6) penetrates through the side wall of the bushing (4), and the bottom of the oil inlet groove (6) is positioned on the front side wall and the rear side wall of the bushing (4).
8. The split oil ring marine intermediate bearing according to claim 1 or 7, characterized in that: the lower lubrication groove (5) starts from the middle of the front side wall and/or the rear side wall of the inner side end of the bushing (4) and ends at the lowest part of the outer side end of the bushing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322807598.2U CN220828440U (en) | 2023-10-19 | 2023-10-19 | Split oil ring ship intermediate bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322807598.2U CN220828440U (en) | 2023-10-19 | 2023-10-19 | Split oil ring ship intermediate bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220828440U true CN220828440U (en) | 2024-04-23 |
Family
ID=90723899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322807598.2U Active CN220828440U (en) | 2023-10-19 | 2023-10-19 | Split oil ring ship intermediate bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220828440U (en) |
-
2023
- 2023-10-19 CN CN202322807598.2U patent/CN220828440U/en active Active
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