CN221120679U - Rolling thrust bearing of ship propulsion shafting - Google Patents
Rolling thrust bearing of ship propulsion shafting Download PDFInfo
- Publication number
- CN221120679U CN221120679U CN202323049526.2U CN202323049526U CN221120679U CN 221120679 U CN221120679 U CN 221120679U CN 202323049526 U CN202323049526 U CN 202323049526U CN 221120679 U CN221120679 U CN 221120679U
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- Prior art keywords
- bearing
- gland
- bearing housing
- thrust bearing
- washer
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- 238000005096 rolling process Methods 0.000 title claims abstract description 33
- 210000004907 gland Anatomy 0.000 claims abstract description 55
- 229920001971 elastomer Polymers 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 19
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 9
- 239000010962 carbon steel Substances 0.000 claims description 9
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a rolling thrust bearing of a ship propulsion shafting, which comprises a full-thread hexagon head bolt, a standard spring washer, a gland on a tail seal ring, a bearing shell longitudinal connecting plate, a bearing shell transverse connecting plate and a bearing seat bottom plate, wherein the outer side of a bearing shell is provided with the standard spring washer, the inner thread of the standard spring washer is connected with the full-thread hexagon head bolt, the left side of the bearing shell is provided with the gland on the tail seal ring, the inner side of the gland on the tail seal ring is provided with the lower gland of the tail seal ring, and the upper end of the outer side of the bearing shell is provided with a first hexagon head bolt. The ship propulsion shafting rolling thrust bearing is provided with a detection device which can detect whether the rolling thrust bearing is qualified or not, parts at different positions are detected through the detection device, and the size, the processing quality, the gap, the thrust, the rotating speed and the temperature of the thrust bearing are detected, so that the requirements of the ship propulsion shafting rolling thrust bearing are compounded.
Description
Technical Field
The utility model relates to the technical field of ship propulsion shafting, in particular to a rolling thrust bearing of a ship propulsion shafting.
Background
The thrust type rolling bearing is a rolling bearing mainly bearing axial load, the thrust bearing is also called a thrust bearing, and is widely applied in a ship propulsion shafting, but the conventional ship propulsion shafting rolling thrust bearing also has a certain degree of defects, such as:
The utility model discloses a simple thrust rolling bearing experiment table with the publication number of CN206470055U, which comprises a table top, wherein two tables are symmetrically connected below the table top, a variable-frequency speed-regulating motor is arranged in a cavity of a city enclosed by the two tables, and an output shaft of the variable-frequency speed-regulating motor is connected with the bottom end of a main shaft; the main shaft penetrates through the center hole of the table top, the top end of the main shaft is connected with a thrust rolling bearing, a bearing cover is connected above the thrust rolling bearing, and more than one metal block is connected on a stand column arranged above the middle part of the bearing cover; the axial direction and the radial direction of the thrust rolling bearing are respectively connected with a plastic track plate through a thin foam double-sided adhesive tape, a sensor is arranged on the plastic track plate, the output of the sensor is connected with a computer, the driving and loading of the thrust rolling bearing and the data acquisition structure of the sensor are simple, the volume is small, the portable and the assembly is simple, and the thrust rolling bearing can be used for occasions with low test requirement precision;
According to the simple thrust rolling bearing experiment table, the sensor is arranged on the plastic track plate, so that the simple thrust rolling bearing experiment table can be conveniently detected, and is suitable for occasions with low requirements on precision, but the precision required by designing, manufacturing and detecting the forced circulation lubrication rolling thrust bearing with the journal diameter in the range of 60-80 mm is high, and strict requirements are placed on specification parameters of the thrust bearing.
Disclosure of utility model
The utility model aims to provide a rolling thrust bearing of a ship propulsion shafting, which aims to solve the problem that the design, manufacture and inspection of the forced circulation lubrication rolling thrust bearing with the journal diameter in the range of 60-80 mm in the prior art are high in required precision.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ship propulsion shafting antifriction thrust bearing, includes full thread hexagon head bolt, standard spring washer, afterbody seal ring gland, the vertical connecting plate of bearing shell, the horizontal connecting plate of bearing shell and bearing frame bottom plate, the outside of bearing shell is provided with standard spring washer, and the inside threaded connection of standard spring washer has full thread hexagon head bolt, the left side of bearing shell is provided with afterbody seal ring gland, and the inboard of gland is provided with afterbody seal ring gland down, the first hexagon head bolt is installed to the outside upper end screw thread of bearing shell, the left side lower extreme fixed mounting of bearing shell has first skeleton rubber oil blanket, and the fixed surface of first skeleton rubber oil blanket installs the bearing shell rear end gland, the through-mounting of the middle-end top of bearing shell has straight-through pressure oil cup, the right side screw thread of bearing shell installs the second hexagon head bolt, and the inboard of second hexagon head bolt is provided with the gland on the afterbody seal ring, the front end of bearing shell is provided with the horizontal connecting plate of bearing shell, and the inboard of the horizontal connecting plate of bearing shell is provided with the vertical connecting plate of bearing shell, the bottom plate of bearing shell is fixed mounting of the bottom plate.
Furthermore, the material of standard spring washer is 65Mn, and the material of gland under afterbody sealing washer and the afterbody sealing washer is Q235A carbon steel, and this structure has embodied the effect of standard spring washer, gland under afterbody sealing washer and the gland material under the afterbody sealing washer.
Furthermore, the first framework type rubber oil seal and the second framework type rubber oil seal are made of nitrile rubber, the stop washer for the round nut is made of Q235, and the effect of the materials for the first framework type rubber oil seal, the second framework type rubber oil seal and the stop washer for the nut is reflected by the structure.
Furthermore, the material of the bearing shell rear end gland and the bearing shell front end gland is Q235A carbon steel, and the material of the bearing shell longitudinal connecting plate and the bearing shell transverse connecting plate is Q235A carbon steel.
Furthermore, the tapered roller bearing is nested and installed on the inner wall of the bearing shell, the stop washer for the round nut is fixedly installed on the right side of the tapered roller bearing, the round nut body is fixedly installed on the outer side surface of the stop washer for the round nut, and the effect of the installation positions of the tapered roller bearing, the stop washer for the nut and the round nut body is reflected by the structure.
Further, the right side lower extreme of bearing housing is provided with the gland under the header seal, and the inboard of gland under the header seal is provided with second skeleton rubber oil blanket to the inboard of second skeleton rubber oil blanket is provided with bearing housing front end gland, and this structure has embodied the effect of gland under header seal, second skeleton rubber oil blanket and bearing housing front end gland mounted position.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the rolling thrust bearing of the ship propulsion shafting, through installation of the thrust bearing, the device can be conveniently installed into a detection machine, the specification and the type of parts are strictly required, the overall quality of the device is improved, the rolling thrust bearing meets the specified requirements, and standardized production can be carried out;
2. The ship propulsion shafting rolling thrust bearing is provided with a detection device which can detect whether the rolling thrust bearing is qualified or not, parts at different positions are detected through the detection device, and the size, the processing quality, the gap, the thrust, the rotating speed and the temperature of the thrust bearing are detected, so that the requirements of the ship propulsion shafting rolling thrust bearing are compounded.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model in a front cross-section;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic side view of the present utility model;
FIG. 4 is a schematic diagram of a thrust shaft configuration of the present utility model;
Fig. 5 is a schematic structural view of a bearing housing longitudinal web and a bearing housing transverse web according to the present utility model.
In the figure: 1. a full thread hex head bolt; 2. a standard spring washer; 3. gland on the tail sealing ring; 4. a lower gland of the tail sealing ring; 5. a first hex head bolt; 6. a first skeleton type rubber oil seal; 7. the rear end of the bearing shell is pressed to cover; 8. a bearing housing; 9. a straight-through type pressure oil filling cup; 10. tapered roller bearings; 11. a round nut body; 12. a stop washer for the round nut; 13. a second hex head bolt; 14. gland on the head sealing ring; 15. a lower gland of the head sealing ring; 16. a second skeleton type rubber oil seal; 17. a gland at the front end of the bearing shell; 18. a bearing housing longitudinal connecting plate; 19. a bearing housing transverse connection plate; 20. and a bearing pedestal bottom plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the rolling thrust bearing for the ship propulsion shafting comprises a full-thread hexagon head bolt 1, a standard spring washer 2, a tail seal ring lower gland 3, a tail seal ring lower gland 4, a first hexagon head bolt 5, a first skeleton type rubber oil seal 6, a bearing shell rear end gland 7, a bearing shell 8, a straight-through type pressure oil injection cup 9, a tapered roller bearing 10, a round nut body 11, a round nut stop washer 12, a second hexagon head bolt 13, a head seal ring upper gland 14, a head seal ring lower gland 15, a second skeleton type rubber oil seal 16, a bearing shell front end gland 17, a bearing shell longitudinal connecting plate 18, a bearing shell transverse connecting plate 19 and a bearing seat bottom plate 20.
In this embodiment: the outside of bearing housing 8 is provided with standard spring washer 2, and the inside threaded connection of standard spring washer 2 has full thread hexagon head bolt 1, the left side of bearing housing 8 is provided with afterbody sealing washer gland 3, and the inboard of afterbody sealing washer gland 3 is provided with afterbody sealing washer lower gland 4, the outside upper end screw thread of bearing housing 8 installs first hexagon head bolt 5, the left side lower extreme fixed mounting of bearing housing 8 has first skeleton rubber oil blanket 6, and the surface fixed mounting of first skeleton rubber oil blanket 6 has bearing housing rear end gland 7, the middle-end top of bearing housing 8 runs through and installs straight-through type pressure oiling cup 9, the right side screw thread of bearing housing 8 installs second hexagon head bolt 13, and the inboard of second hexagon head bolt 13 is provided with head sealing washer gland 14, the front end of bearing housing 8 is provided with bearing housing transverse connection board 19, and the inboard of bearing housing transverse connection board 19 is provided with bearing housing longitudinal connection board 18, the bottom outside fixed mounting of the bottom of bearing housing 8 has bearing frame bottom plate 20.
The standard spring washer 2 is made of 65Mn, the upper gland 3 of the tail seal ring and the lower gland 4 of the tail seal ring are made of Q235A carbon steel, the first framework type rubber oil seal 6 and the second framework type rubber oil seal 16 are made of nitrile rubber, the stop washer 12 for the round nut is made of Q235, the rear end gland 7 of the bearing shell and the front end gland 17 of the bearing shell are made of Q235A carbon steel, and the longitudinal connecting plate 18 of the bearing shell and the transverse connecting plate 19 of the bearing shell are made of Q235A carbon steel;
According to fig. 1-5, the geometry and the size of each component of the thrust bearing should meet the requirements, the limit deviation of the linear dimension of the thrust bearing without tolerance dimension should meet the m-level requirements in GB/T1804-2000, the machining technical condition of the thrust shaft should meet the requirements of CB x 228, the material of the bearing shell body should meet the requirements of GB/T699, the lubricating oil of the thrust bearing is prepared by decocting diesel oil and lithium-based lubricating grease, the diesel oil should meet the requirements of GB11122, the lithium-based lubricating grease should meet the requirements of GB/T7324, and the thrust of the thrust bearing should be smaller than the basic rated load of the selected tapered roller bearing 10 at the rated rotation speed, so as to realize the production of the thrust bearing;
The tapered roller bearing 10 is nested and installed on the inner wall of the bearing shell 8, the stop washer 12 for the round nut is fixedly installed on the right side of the tapered roller bearing 10, the round nut body 11 is fixedly installed on the outer side surface of the stop washer 12 for the round nut, the lower end of the right side of the bearing shell 8 is provided with the lower gland 15 of the head seal ring, the inner side of the lower gland 15 of the head seal ring is provided with the second skeleton rubber oil seal 16, and the inner side of the second skeleton rubber oil seal 16 is provided with the front gland 17 of the bearing shell;
According to fig. 1-5, the rolling thrust bearing of the ship propulsion shafting adopts a measuring tool meeting the corresponding precision requirement to measure the limit deviation of the linear dimension without the tolerance dimension and the dimension of the welding flange; the processing quality test of the thrust shaft and the bearing shell is carried out according to the test method specified by GB/T699; after the installation of the thrust bearing is finished, the assembly quality of the gap between the pressing plate and the bearing is detected by using a gauge such as a plug gauge and a plug ruler, and the like, and the loading experiment of the thrust bearing is carried out according to the test time of various thrusts under the rated rotation speed.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a marine propulsion shafting antifriction thrust bearing, includes full thread hexagonal head bolt (1), standard spring washer (2), afterbody sealing washer upper cover (3), bearing housing (8), bearing housing longitudinal connecting plate (18), bearing housing transverse connecting plate (19) and bearing frame bottom plate (20), its characterized in that: the outside of bearing housing (8) is provided with standard spring washer (2), and the inside threaded connection of standard spring washer (2) has full thread hexagonal head bolt (1), the left side of bearing housing (8) is provided with afterbody sealing washer gland (3), and the inboard of afterbody sealing washer gland (3) is provided with afterbody sealing washer lower gland (4), the outside upper end screw thread of bearing housing (8) installs first hexagonal head bolt (5), the left side lower extreme fixed mounting of bearing housing (8) has first skeleton rubber oil blanket (6), and the fixed surface of first skeleton rubber oil blanket (6) installs bearing housing rear end gland (7), the middle-end top of bearing housing (8) runs through and installs straight-through pressure oil cup (9), the right side screw thread of bearing housing (8) installs second hexagonal head bolt (13), and the inboard of second hexagonal head bolt (13) is provided with head sealing washer gland (14), the front end of bearing housing (8) is provided with bearing housing transverse connection board (19), and bearing housing's (18) longitudinal support (20) is provided with bearing housing's the inside connection board (20).
2. The marine propulsion shafting rolling thrust bearing of claim 1, wherein: the standard spring washer (2) is made of 65Mn, and the upper tail seal ring gland (3) and the lower tail seal ring gland (4) are made of Q235A carbon steel.
3. The marine propulsion shafting rolling thrust bearing of claim 1, wherein: the first framework type rubber oil seal (6) and the second framework type rubber oil seal (16) are made of nitrile rubber, and the round nut stop washer (12) is made of Q235.
4. The marine propulsion shafting rolling thrust bearing of claim 1, wherein: the bearing shell rear end gland (7) and the bearing shell front end gland (17) are made of Q235A carbon steel, and the bearing shell longitudinal connecting plate (18) and the bearing shell transverse connecting plate (19) are made of Q235A carbon steel.
5. The marine propulsion shafting rolling thrust bearing of claim 1, wherein: the inner wall of the bearing shell (8) is nested and provided with a tapered roller bearing (10), the right side of the tapered roller bearing (10) is fixedly provided with a stop washer (12) for a round nut, and the outer side surface of the stop washer (12) for the round nut is fixedly provided with a round nut body (11).
6. The marine propulsion shafting rolling thrust bearing of claim 1, wherein: the right side lower extreme of bearing housing (8) is provided with header sealing washer lower gland (15), and the inboard of header sealing washer lower gland (15) is provided with second skeleton formula rubber oil blanket (16), and the inboard of second skeleton formula rubber oil blanket (16) is provided with bearing housing front end gland (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323049526.2U CN221120679U (en) | 2023-11-13 | 2023-11-13 | Rolling thrust bearing of ship propulsion shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323049526.2U CN221120679U (en) | 2023-11-13 | 2023-11-13 | Rolling thrust bearing of ship propulsion shafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120679U true CN221120679U (en) | 2024-06-11 |
Family
ID=91369869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323049526.2U Active CN221120679U (en) | 2023-11-13 | 2023-11-13 | Rolling thrust bearing of ship propulsion shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120679U (en) |
-
2023
- 2023-11-13 CN CN202323049526.2U patent/CN221120679U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |