CN220298699U - Rotary device in ship rescue boat retraction system - Google Patents
Rotary device in ship rescue boat retraction system Download PDFInfo
- Publication number
- CN220298699U CN220298699U CN202321553432.6U CN202321553432U CN220298699U CN 220298699 U CN220298699 U CN 220298699U CN 202321553432 U CN202321553432 U CN 202321553432U CN 220298699 U CN220298699 U CN 220298699U
- Authority
- CN
- China
- Prior art keywords
- ring
- mounting
- mounting groove
- sealing part
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 239000000725 suspension Substances 0.000 claims description 15
- 239000004519 grease Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 238000005461 lubrication Methods 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 4
- 239000013535 sea water Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000008708 Morus alba Nutrition 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006798 ring closing metathesis reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a slewing device in a ship rescue boat retraction system, which comprises a slewing bearing, a base and a boom body, wherein the slewing bearing is arranged between the base and the boom body; an annular opening with a downward opening is formed between the mounting table and the mounting groove, and the mounting table further comprises a sealing structure for sealing the annular opening. The device uses the sealing structure to seal the annular opening formed at the lower side of the mounting groove, and the sealing structure can not influence the sealing between the boom body and the base in rotation, and after the slewing bearing is sealed, the slewing device can adapt to the requirements of sea navigation with wet high salt; continuous lubrication can be carried out on the rotating connection part of the slewing bearing through the oil storage ring, and the rotating smoothness of the slewing platform is improved.
Description
Technical Field
The utility model relates to the technical field of rescue boats, in particular to a turning device in a ship rescue boat retraction system.
Background
The rescue boat is a motor-driven small boat which is used for rescuing people in danger, gathering life boats and rafts and has good maneuverability. In order to more safely and more quickly rescue the victims and the gathered marine lifeboats, the vessel must be provided with a rescue boat as specified. The international life safety convention prescribes that cargo ships and passenger ships manufactured after 7 months and 1 day of 1986 are equipped with rescue ships, a rescue ship crane is a special crane arranged on the ship for hoisting and recovering the rescue ships, and is necessary life-saving equipment on the ship, and the quality of the life-saving equipment is directly related to the personal safety of rescue workers and rescuing workers.
One end of a cable on the prior rescue boat keel block is arranged in a winch at the rear side of the suspension arm, the other end of the cable passes through a guide wheel at the end part of the suspension arm and is fixed at the end part of the suspension arm, and a lifting hook is arranged on the cable between the guide wheel and the end part of the suspension arm. The CN202220595628.0 single-boom type rescue boat frame comprises a base, a boom body, a cable, a telescopic column and a rear winch, wherein the front winch is fixed at the tail end of the boom body, the boom body is a hollow boom, and the telescopic column is arranged at the front end of the boom body in a sliding manner. The utility model sets a rotatable turning device between the suspension arm body and the base to control the suspension arm body to rotate. Usually, the boom is arranged close to the edge of the ship, but a larger gap exists at the rotating part of the rotating device in the prior art, and when the ship sails on the sea, moist air and sea waves can be sputtered into the gap, so that the rotating device is easy to rust and cannot be used.
In view of the above, it is necessary to provide a swivel device in a marine rescue boat retraction system to solve the above-described problems.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a turning device in a ship rescue boat retraction system.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the rotary device in the ship rescue boat retraction system comprises a rotary support, a base and a suspension arm body, wherein the rotary support is arranged between the base and the suspension arm body, the root of the suspension arm body is provided with a mounting groove for mounting the rotary support, the mounting groove is disc-shaped and has a downward opening, the upper end of the base is provided with a mounting table, and the rotary support is arranged between the mounting table and the mounting groove; an annular opening with a downward opening is formed between the mounting table and the mounting groove, and the mounting table further comprises a sealing structure for sealing the annular opening.
Further, the closed structure comprises an inner ring closed part and an outer ring closed part, wherein the inner ring closed part is arranged on the periphery of the base, the outer ring closed part is connected with the lower side of the opening of the mounting groove, the inner ring of the outer ring closed part is connected with the outer ring of the inner ring closed part in a sleeved mode, and the outer ring closed part is connected with the inner ring closed part in a rotating mode.
Further, the inner ring sealing part comprises an outer convex ring and an outer sleeve edge, wherein the outer convex ring is an annular bulge formed on the outer wall of the base, the outer sleeve edge is fixedly sleeved on the outer convex ring, and an inner groove matched with the outer convex ring is formed on the inner wall of the outer sleeve edge.
Further, the outer ring sealing part comprises a mounting ring, a sleeving ring and an annular spring, the outer edge of the sleeving ring is fixedly connected with the inner ring of the mounting ring, and the mounting ring is used for being connected with an opening of the mounting groove; the sleeve ring comprises a hard connecting part and a soft sleeve part which are connected with each other, the hard connecting part and the mounting ring form fixed connection, the soft sleeve part is used for being sleeved on the periphery of the outer sleeve edge, the sleeve ring is formed into an inner concave ring from the outer side to the inner side, the annular spring is sleeved in the inner concave ring, and the elastic force provided by the annular spring enables the outer ring sealing part hoop to be sealed outside the inner ring sealing part.
Furthermore, the outer side wall of the outer sleeve edge is provided with two annular protruding parts, and a sealing ring groove matched with the concave ring is formed between the two annular protruding parts.
Further, the slewing bearing comprises a supporting inner ring and a supporting outer ring, wherein the supporting inner ring is fixedly arranged on the base through a plurality of bolts, and the supporting outer ring is arranged in the mounting groove and fixedly connected with the mounting groove through a plurality of bolts.
Further, the mounting groove further comprises an upper layer plate fixedly arranged on the upper side, an oil storage ring is arranged between the upper layer plate and the upper plane of the mounting groove, the oil storage ring is correspondingly arranged at the positions of the rotating gaps between the inner support ring and the outer support ring, the oil storage ring is used for accommodating lubricating grease for the rotating device, a through hole is formed in the bottom wall of the oil storage ring, and the through hole is aligned with the rotating gaps between the inner support ring and the outer support ring; the upper layer plate is provided with an oil filling hole communicated with the oil storage ring, and a blocking screw is arranged in the oil filling hole.
Compared with the prior art, the utility model has the beneficial effects that: the device uses the sealing structure to seal the annular opening formed at the lower side of the mounting groove, and the sealing structure can not influence the sealing between the boom body and the base in rotation, and after the slewing bearing is sealed, the slewing device can adapt to the requirements of sea navigation with wet high salt; continuous lubrication can be carried out on the rotating connection part of the slewing bearing through the oil storage ring, and the rotating smoothness of the slewing platform is improved.
Drawings
Fig. 1 is a schematic structural view of a turning device in a ship rescue boat retraction system according to the present application;
in the figure: 1. a slewing bearing; 2. a base; 3. a boom body; 4. a mounting groove; 5. a mounting table; 6. a closed structure; 7. an inner ring closure; 8. an outer ring closing portion; 9. an outer convex ring; 10. a jacket edge; 11. an inner groove; 12. a mounting ring; 13. a sleeve joint ring; 14. an annular spring; 15. a hard connection portion; 16. a soft sleeve joint part; 17. a concave ring; 18. an annular protruding portion; 19. sealing ring grooves; 20. supporting the inner ring; 21. supporting an outer ring; 22. an upper plate; 23. oil storage ring; 24. a through hole; 25. and an oil filling hole.
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.
The rotary device in the ship rescue boat collecting and releasing system comprises a rotary support 1, a base 2 and a suspension arm body 3, wherein the rotary support 1 is arranged between the base 2 and the suspension arm body 3, the root of the suspension arm body 3 is provided with a mounting groove 4 for mounting the rotary support 1, the mounting groove 4 is disc-shaped and has a downward opening, the downward opening can avoid the residue of seawater, the seawater can be splashed on the mounting groove 4 to flow out along the outer wall and can not enter the rotary support, and thus the occurrence of rust is avoided;
the upper end of the base 2 is provided with a mounting table 5, and a slewing bearing 1 is arranged between the mounting table 5 and the mounting groove 4; an annular opening with a downward opening is formed between the mounting table 5 and the mounting groove 4, and the mounting table further comprises a sealing structure 6 for sealing the annular opening; the gap formed when the mounting groove 4 is buckled downwards on the mounting table 5 is easy to enter seawater and moist air, if the mounting groove is opened for a long time, the internal slewing bearing 1 is also easy to be damaged, the sealing structure 6 arranged by the device is used for solving the problem, and the sealing structure 6 does not influence the rotation movement of the mulberry measuring boom body 3.
Specifically, the sealing structure 6 includes an inner ring sealing portion 7 and an outer ring sealing portion 8, the inner ring sealing portion 7 is disposed at the periphery of the base 2, the outer ring sealing portion 8 is connected with the lower side of the opening of the mounting groove 4, the inner ring of the outer ring sealing portion 8 is sleeved with the outer ring of the inner ring sealing portion 7, and the outer ring sealing portion 8 is rotatably connected with respect to the inner ring sealing portion 7; when the outer ring sealing part 8 is sleeved on the inner ring sealing part 7, the sleeved strength is moderate, the early damage of the outer ring sealing part 8 caused by larger friction due to the firm tightening is avoided, and lubricating oil can be smeared between the outer ring sealing part 8 and the inner ring sealing part during actual use, so that the sealing effect is ensured, and meanwhile, the friction resistance is reduced.
The inner ring sealing part 7 specifically comprises an outer convex ring 9 and an outer sleeve edge 10, wherein the outer convex ring 9 is an annular bulge formed on the outer wall of the base 2, the outer sleeve edge 10 is fixedly sleeved on the outer convex ring 9, and an inner groove 11 matched with the outer convex ring 9 is formed on the inner wall of the outer sleeve edge 10. The inner groove 11 of the outer sleeve edge 10 is used for sleeving and fixing on the outer convex ring 9, and the outer sleeve edge 10 is a friction part and has certain deformability in actual use, a good sealing effect is also maintained, the outer sleeve edge 10 can be made of rubber materials, and screws can be used for penetrating the outer sleeve edge 10 to form firm connection when fixing;
further, the outer ring sealing portion 8 includes a mounting ring 12, a sleeve ring 13, and an annular spring 14, the outer edge of the sleeve ring 13 is fixedly connected to the inner ring of the mounting ring 12, the mounting ring 12 is used for being connected to the opening of the mounting groove 4, in order to facilitate the placement of the slewing bearing 1 into the mounting groove 4, the mounting ring 12 and the mounting groove 4 are detachably fixed by bolts, if the slewing position is required to be overhauled, the bolts can be removed, and then the slewing bearing 1 is conveniently taken out.
The sleeving ring 13 comprises a hard connecting portion 15 and a soft sleeving portion 16 which are connected with each other, the hard connecting portion 15 and the mounting ring 12 form fixed connection, the soft sleeving portion 16 is used for sleeving the periphery of the outer sleeve edge 10, the soft sleeving portion 16 is made of a section bar which is easy to deform, rubber materials can be used in actual manufacturing, but the softness of the soft sleeving portion is softer than that of the outer sleeve edge 10, so that the annular spring 14 can be conveniently hooped. The sleeve joint ring 13 is provided with an inner concave ring 17 from the outer side to the inner side, the annular spring 14 is sleeved in the inner concave ring 17, and the elastic force provided by the annular spring 14 enables the sleeve of the outer ring closing part 8 to be sealed outside the inner ring closing part 7; as shown, after the seal is attached, the annular spring 14 is looped around the female ring 17 so that the female ring 17 can be sealed against the rim 10 without interfering with rotation therebetween.
The outer side wall of the outer sleeve edge 10 is provided with two annular protruding parts 18, and a sealing ring groove 19 matched with the inner concave ring 17 is formed between the two annular protruding parts 18; the formed sealing ring groove 19 can increase the contact surface of the seal, and effectively improve the sealing effect.
Further, the slewing bearing 1 comprises a supporting inner ring 20 and a supporting outer ring 21, the supporting inner ring 20 is fixedly arranged on the base 2 through a plurality of bolts, and the supporting outer ring 21 is arranged in the mounting groove 4 and fixedly connected with the mounting groove through a plurality of bolts. The mounting groove 4 further comprises an upper plate 22 fixedly arranged on the upper side, an oil storage ring 23 is arranged between the upper plate 22 and the upper plane of the mounting groove 4, the oil storage ring 23 is correspondingly arranged with the positions of the rotating gaps between the supporting inner ring 20 and the supporting outer ring 21, the oil storage ring 23 is used for containing lubricating grease for the slewing device, a through hole 24 is arranged on the inner bottom wall of the oil storage ring 23, and the through hole 24 is aligned with the rotating gaps between the supporting inner ring 20 and the supporting outer ring 21; the upper plate 22 is provided with an oil filling hole 25 communicated with the oil storage ring 23, and a blocking screw is arranged in the oil filling hole 25. In practical use, since the slewing bearing 1 is tightly sealed, it is troublesome to perform maintenance for lubrication at ordinary times, and in order to solve this problem, the oil storage ring 23 provided in this embodiment can conveniently inject grease into the upper oil injection hole 25 for storage, and slowly drip into the rotating gap for lubrication through the lower through hole 24, so that the use effect is good.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The rotary device in the ship rescue boat collecting and releasing system comprises a rotary support (1), a base (2) and a suspension arm body (3), and is characterized in that the rotary support (1) is arranged between the base (2) and the suspension arm body (3), a mounting groove (4) for mounting the rotary support (1) is formed in the root of the suspension arm body (3), the mounting groove (4) is disc-shaped and is downward in opening, a mounting table (5) is arranged at the upper end of the base (2), and the rotary support (1) is arranged between the mounting table (5) and the mounting groove (4); an annular opening with a downward opening is formed between the mounting table (5) and the mounting groove (4), and the mounting table further comprises a sealing structure (6) for sealing the annular opening.
2. The slewing device in the marine rescue boat retraction system according to claim 1, wherein the sealing structure (6) comprises an inner ring sealing part (7) and an outer ring sealing part (8), the inner ring sealing part (7) is arranged on the periphery of the base (2), the outer ring sealing part (8) is connected with the lower side of the opening of the mounting groove (4), the inner ring of the outer ring sealing part (8) is connected with the outer ring of the inner ring sealing part (7) in a sleeved mode, and the outer ring sealing part (8) is connected in a rotating mode relative to the inner ring sealing part (7).
3. The turning device in the ship rescue boat retraction system according to claim 2, wherein the inner ring sealing part (7) comprises an outer convex ring (9) and an outer sleeve edge (10), the outer convex ring (9) is an annular bulge formed on the outer wall of the base (2), the outer sleeve edge (10) is fixedly sleeved on the outer convex ring (9), and an inner groove (11) matched with the outer convex ring (9) is formed on the inner wall of the outer sleeve edge (10).
4. A turning device in a marine rescue boat retraction system according to claim 3, wherein the outer ring sealing part (8) comprises a mounting ring (12), a sleeve ring (13) and an annular spring (14), the outer edge of the sleeve ring (13) is fixedly connected with the inner ring of the mounting ring (12), and the mounting ring (12) is used for being connected with the opening of the mounting groove (4); the sleeve ring (13) comprises a hard connecting part (15) and a soft sleeve part (16) which are connected with each other, the hard connecting part (15) and the mounting ring (12) form fixed connection, the soft sleeve part (16) is used for being sleeved on the periphery of the outer sleeve edge (10), the sleeve ring (13) is formed into an inner concave ring (17) from the outer side to the inner side, the annular spring (14) is sleeved in the inner concave ring (17), and the elastic force provided by the annular spring (14) enables the hoop of the outer ring sealing part (8) to be sealed outside the inner ring sealing part (7).
5. The turning device in the ship rescue boat retraction system according to claim 4, wherein the outer side wall of the outer sleeve rim (10) is provided with two annular protruding parts (18), and a sealing ring groove (19) matched with the inner concave ring (17) is formed between the two annular protruding parts (18).
6. The slewing device in the marine rescue boat retraction system according to claim 1, wherein the slewing bearing (1) comprises a supporting inner ring (20) and a supporting outer ring (21), the supporting inner ring (20) is fixedly arranged on the base (2) through a plurality of bolts, and the supporting outer ring (21) is arranged in the mounting groove (4) and fixedly connected with the mounting groove through a plurality of bolts.
7. The slewing device in the marine rescue boat retraction system according to claim 6, wherein the installation groove (4) further comprises an upper plate (22) fixedly arranged on the upper side, an oil storage ring (23) is arranged between the upper plate (22) and the upper plane of the installation groove (4), the oil storage ring (23) is arranged corresponding to a rotation gap between the support inner ring (20) and the support outer ring (21), lubricating grease for the slewing device is contained in the oil storage ring (23), a through hole (24) is arranged on the inner bottom wall of the oil storage ring (23), and the through hole (24) is aligned with the rotation gap between the support inner ring (20) and the support outer ring (21); the upper layer plate (22) is provided with an oil filling hole (25) communicated with the oil storage ring (23), and a blocking screw is arranged in the oil filling hole (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321553432.6U CN220298699U (en) | 2023-06-16 | 2023-06-16 | Rotary device in ship rescue boat retraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321553432.6U CN220298699U (en) | 2023-06-16 | 2023-06-16 | Rotary device in ship rescue boat retraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220298699U true CN220298699U (en) | 2024-01-05 |
Family
ID=89353630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321553432.6U Active CN220298699U (en) | 2023-06-16 | 2023-06-16 | Rotary device in ship rescue boat retraction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220298699U (en) |
-
2023
- 2023-06-16 CN CN202321553432.6U patent/CN220298699U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2011250767B2 (en) | Method for thruster withdrawal for maintenance or vessel transit without the need for an external crane, remote operated vehicle, or driver | |
| US10864966B2 (en) | Rotatable chain stopper | |
| US4343056A (en) | Man-overboard rescue apparatus for sailboats | |
| CN206243383U (en) | A kind of cable cabin hatch board | |
| CN220298699U (en) | Rotary device in ship rescue boat retraction system | |
| CN103373442B (en) | Marine cabin hangs the little hatchcover of thing mouth | |
| CN201390365Y (en) | High-speed high sea-condition dual-purpose boat for working and salvation | |
| CN210555451U (en) | Self-adaptive follow-up wharf boarding device | |
| CN111619767A (en) | Coastline initiative calling type rescue robot on water | |
| CN111470009B (en) | Unhooking structure for marine life saving on sea boat and life saving method thereof | |
| CN109774857B (en) | Novel lifting device and lifting method for cabin cover at bottom of ship moon pool | |
| CN2843997Y (en) | Crane of small guard boat | |
| CN111776138B (en) | Chain stopper | |
| CN207173895U (en) | One kind can close fairlead peculiar to vessel | |
| CN211336387U (en) | Life boat convenient for taking life-saving equipment | |
| CN112793716A (en) | General buoy winding and unwinding devices | |
| CN213768937U (en) | Intelligent speed measuring device for ship stern shaft | |
| CN213323550U (en) | Three-degree-of-freedom floating dock rigid mooring device | |
| JPS6353195A (en) | Single point mooring device | |
| CN213535016U (en) | Sealing door suitable for inside single point mooring system | |
| CN218141990U (en) | Side door system | |
| CN216140146U (en) | Top cover for sea well | |
| CN203767031U (en) | Automatic lifeboat releasing device | |
| CN216468372U (en) | Ship lifeboat | |
| CN213109709U (en) | Inflatable rubber dinghy with sinking prevention function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |