CN213292681U - Noise-reduction shock-insulation buffer connection structure of ship stern shaft - Google Patents
Noise-reduction shock-insulation buffer connection structure of ship stern shaft Download PDFInfo
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- CN213292681U CN213292681U CN202021843344.6U CN202021843344U CN213292681U CN 213292681 U CN213292681 U CN 213292681U CN 202021843344 U CN202021843344 U CN 202021843344U CN 213292681 U CN213292681 U CN 213292681U
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Abstract
The utility model relates to a shock insulation buffering connection structure of making an uproar falls of boats and ships stern axle solves vibrations and the noise of production in the stern axle course of operation and blocks the problem. The outside at both ends is erect on the hull after stern pipe fore-stock and stern pipe respectively around this structure stern pipe, the annular is watered and is equipped with back epoxy buffer layer between stern pipe rear end and the stern pipe after-poppet ring week, back epoxy buffer layer rear end outwards forms annular chimb and fills up the rear end face of establishing at the stern pipe after-poppet, around watering between stern pipe front end and the stern pipe fore-stock ring week and being equipped with preceding epoxy buffer layer, preceding epoxy buffer layer front end outwards forms annular chimb and fills up the preceding terminal surface of establishing at the stern pipe fore-stock. The utility model discloses the front and back epoxy resin buffer layer forms radial buffering on the stern tube surface, and the annular chimb of front and back epoxy resin buffer layer forms the axial buffering, makes whole stern tube obtain a stable, has the floating support of certain toughness buffering again, reaches the effect that the shock insulation was fallen and is made an uproar.
Description
Technical Field
The utility model belongs to the ship structure field relates to a boats and ships power transmission structure, in particular to shock insulation buffering connection structure of making an uproar falls of boats and ships stern axle.
Background
In a ship using an internal combustion engine as a power source, the power of the internal combustion engine is generally transmitted to a propeller through a stern shaft. The stern shaft is sleeved with a stern tube, the front end of the stern shaft connected with the engine room is provided with a front bearing, and the rear end of the stern shaft connected with the propeller is provided with a rear bearing. The working condition of the stern shaft of the ship is complex, the working environment is severe, and corrosion, deformation and the like are easy to generate in the long-time use process, so that the vibration and the generated noise in the working process of the stern shaft are one of main vibration and noise sources on the ship.
Disclosure of Invention
The utility model discloses an aim at is the main vibrations on the boats and ships and the problem of one of noise sources to the noise of vibrations in the stern axle working process and production, provides a shock insulation buffering connection structure of making an uproar falls of boats and ships stern axle, under the prerequisite of guaranteeing sealing performance, improves the connection of boats and ships stern axle, plays the effect of the shock insulation of making an uproar falls.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a shock insulation buffering connection structure of making an uproar falls of boats and ships stern axle, includes the stern axle, and stern outside cover is equipped with the stern tube, and the outside at both ends is established on the hull through stern tube fore-stock and stern tube after-poppet respectively around the stern tube, its characterized in that: the rear epoxy resin buffer layer is arranged between the rear end of the stern tube and the periphery of the rear support of the stern tube in an annular pouring mode, the rear end of the rear epoxy resin buffer layer outwards forms an annular convex edge and is filled up at the rear end face of the rear support of the stern tube, the front epoxy resin buffer layer is arranged between the front end of the stern tube and the periphery of the front support of the stern tube in an annular pouring mode, and the front end of the front epoxy resin buffer layer outwards forms the annular convex edge and is filled up at the front end face of the front support of the stern tube. The rear epoxy resin buffer layer and the front epoxy resin buffer layer have good supporting performance, have certain buffer toughness compared with steel, and can respectively form a buffer cushion layer between the rear end of the stern tube and the rear support of the stern tube and between the front end of the stern tube and the front support of the stern tube. The cushion layers between the inner walls of the stern tube rear support and the stern tube front support and between the inner walls of the stern tube rear support and the stern tube form radial buffering, and the annular convex edges of the front epoxy resin buffer layer and the rear epoxy resin buffer layer form axial buffering, so that the whole stern tube obtains a stable floating support with certain toughness buffering, and the effects of shock insulation and noise reduction are achieved.
Preferably, the rear end of the stern tube is hermetically connected with a rear sealing device, and the rear sealing device is clamped on the outer wall of the stern shaft; the front end of the stern tube is connected with a front sealing device in a sealing mode, and the front sealing device is clamped on the outer wall of the stern shaft in a surrounding mode.
Preferably, the front end of the stern shaft is connected with an engine through a coupler, the outer wall of the rear end of the stern shaft is sleeved with a propeller hub, propellers are uniformly arranged outside the propeller hub, and a guide cap for pressing and fixing the propeller hub on the stern shaft is fixed on the rear end face of the propeller hub.
Preferably, a rear bearing is arranged between the inner wall of the rear end of the stern tube and the stern shaft, and a front bearing is arranged between the inner wall of the front end of the stern tube and the stern shaft.
Preferably, the upper wall of the stern tube rear bracket is provided with a rear epoxy resin pouring hole and a rear exhaust hole, and the rear epoxy resin pouring hole and the rear exhaust hole are respectively arranged close to the front end and the rear end of the upper wall of the stern tube rear bracket.
Preferably, the upper wall of the stern tube front bracket is provided with a front epoxy resin pouring hole and a front exhaust hole, and the front epoxy resin pouring hole and the front exhaust hole are respectively arranged close to the front end and the rear end of the upper wall of the stern tube front bracket.
Preferably, an annular front sealing frame is further arranged between the front end of the stern tube and the front sealing device, an oil inlet is formed in the lower wall of the front sealing frame, and an oil return opening is formed in the upper wall of the front sealing frame.
Preferably, the annular convex edge at the front end of the front epoxy resin buffer layer is clamped between the front end face of the stern tube front bracket and the rear end face of the front seal frame.
Preferably, the rear end of the stern tube is outwardly provided with a flange, and the annular flange at the rear end of the rear epoxy resin buffer layer is clamped between the flange at the rear end of the stern tube and the rear end surface of the stern tube rear bracket.
The utility model discloses the front and back epoxy resin buffer layer forms radial buffering on the stern tube surface, and the annular chimb of front and back epoxy resin buffer layer forms the axial buffering, makes whole stern tube obtain a stable, has the floating support of certain toughness buffering again, reaches the effect that the shock insulation was fallen and is made an uproar.
Drawings
Fig. 1 is a schematic diagram of a rear end structure of a stern shaft according to the present invention.
Fig. 2 is a schematic diagram of the front end structure of a stern shaft of the present invention.
In the figure: 1. the rear shaft comprises a stern shaft, 2, a stern tube rear support, 3, a rear epoxy resin buffer layer, 4, a stern tube, 5, a rear bearing, 6, a rear sealing device, 7, a propeller hub, 8, a propeller, 9, a diversion cap, 10, a rear epoxy resin pouring hole, 11, a rear exhaust hole, 12, a stern tube front support, 13, a front epoxy resin buffer layer, 14, a front bearing, 15, a front sealing frame, 16, a front sealing device, 17, a front epoxy resin pouring hole, 18, a front exhaust hole, 19, an oil inlet, 20, an oil return port, 21 and a coupler.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Example (b): a noise-reducing, shock-isolating and buffering connecting structure of a ship stern shaft is shown in figures 1 and 2. The device comprises a stern shaft 1, a stern tube 4 is sleeved outside the stern shaft, and the outer parts of the front end and the rear end of the stern tube are respectively erected on a ship body through a stern tube front support 12 and a stern tube rear support 2. The stern tube rear end is shown in fig. 1 and the stern tube front end is shown in fig. 2. The front end of the stern shaft 1 is connected with the engine through a coupling 21. The outer wall cover of the rear end of stern axle 1 is equipped with thick liquid hub 7, evenly sets up screw 8 outside the thick liquid hub, the rear end face of thick liquid hub is fixed with presses thick liquid hub to establish the water conservancy diversion cap 9 of fixing on the stern axle. A rear bearing 5 is arranged between the inner wall of the rear end of the stern tube and the stern shaft, and a front bearing 14 is arranged between the inner wall of the front end of the stern tube and the stern shaft.
The rear end of the stern tube 4 is hermetically connected with a rear sealing device 6 which is clamped on the outer wall of the stern shaft; the front end of the stern tube is connected with a front sealing device 16 in a sealing mode, and the front sealing device is clamped on the outer wall of the stern shaft in a surrounding mode. An annular front sealing frame 15 is arranged between the front end of the stern tube 4 and the front sealing device 16, the lower wall of the front sealing frame is provided with an oil inlet 19, and the upper wall of the front sealing frame is provided with an oil return port 20. The rear epoxy resin buffer layer 3 is annularly poured between the rear end of the stern tube 4 and the periphery of the stern tube rear support 2, the rear end of the rear epoxy resin buffer layer outwards forms an annular convex edge, the rear end of the stern tube outwards forms a flanging, and the annular convex edge at the rear end of the rear epoxy resin buffer layer is clamped between the flanging at the rear end of the stern tube and the rear end face of the stern tube rear support. A front epoxy resin buffer layer 13 is arranged between the front end of the stern tube 1 and the periphery of the stern tube front support 12 in a surrounding pouring mode, and an annular convex edge at the front end of the front epoxy resin buffer layer is clamped between the front end face of the stern tube front support and the rear end face of the front sealing frame.
The upper wall of the stern tube rear bracket 2 is provided with a rear epoxy resin pouring hole 10 and a rear exhaust hole 11 which are respectively arranged near the front end and the rear end of the upper wall of the stern tube rear bracket. The upper wall of the stern tube front bracket 12 is provided with a front epoxy resin pouring hole 17 and a front exhaust hole 18 which are respectively arranged near the front end and the rear end of the upper wall of the stern tube front bracket.
During installation, after the stern shaft and the stern tube are installed in place and positioned through the bolts, the rear epoxy resin buffer layer and the front epoxy resin buffer layer are poured, the pouring processes of the front epoxy resin buffer layer and the rear epoxy resin buffer layer are consistent, the front epoxy resin buffer layer is taken as an example, the front end face of the rear epoxy resin buffer layer and the outer annular face of the rear section annular convex edge are sealed through glass fiber stickers, then high-viscosity epoxy resin is pressurized through an auxiliary air pump and is poured into the rear epoxy resin pouring hole, air is discharged through the rear exhaust hole, and the rear epoxy resin buffer layer.
Claims (9)
1. The utility model provides a shock insulation buffering connection structure of making an uproar falls of boats and ships stern axle, includes the stern axle, and stern outside cover is equipped with the stern tube, and the outside at both ends is established on the hull through stern tube fore-stock and stern tube after-poppet respectively around the stern tube, its characterized in that: the rear epoxy resin buffer layer is arranged between the rear end of the stern tube and the periphery of the rear support of the stern tube in an annular pouring mode, the rear end of the rear epoxy resin buffer layer outwards forms an annular convex edge and is filled up at the rear end face of the rear support of the stern tube, the front epoxy resin buffer layer is arranged between the front end of the stern tube and the periphery of the front support of the stern tube in an annular pouring mode, and the front end of the front epoxy resin buffer layer outwards forms the annular convex edge and is filled up at the front end face of the front support of the stern tube.
2. The noise-reducing, shock-isolating and buffering connecting structure for the ship stern shaft as claimed in claim 1, wherein: the rear end of the stern tube is hermetically connected with a rear sealing device, and the rear sealing device is clamped on the outer wall of the stern shaft; the front end of the stern tube is connected with a front sealing device in a sealing mode, and the front sealing device is clamped on the outer wall of the stern shaft in a surrounding mode.
3. The noise-reducing, vibration-isolating and buffering connecting structure for the ship stern shaft as claimed in claim 1 or 2, wherein: the front end of stern axle passes through the coupling joint engine, the rear end outer wall cover of stern axle is equipped with the thick liquid hub, and the thick liquid hub evenly sets up the screw outward, the rear end face of thick liquid hub is fixed with presses the thick liquid hub to establish the water conservancy diversion cap of fixing on the stern axle.
4. The noise-reducing, vibration-isolating and buffering connecting structure for the ship stern shaft as claimed in claim 1 or 2, wherein: a rear bearing is arranged between the inner wall of the rear end of the stern tube and the stern shaft, and a front bearing is arranged between the inner wall of the front end of the stern tube and the stern shaft.
5. The noise-reducing, vibration-isolating and buffering connecting structure for the ship stern shaft as claimed in claim 1 or 2, wherein: the upper wall of the stern tube rear support is provided with a rear epoxy resin pouring hole and a rear exhaust hole which are respectively arranged near the front end and the rear end of the upper wall of the stern tube rear support.
6. The noise-reducing, vibration-isolating and buffering connecting structure for the ship stern shaft as claimed in claim 1 or 2, wherein: the upper wall of the stern tube front bracket is provided with a front epoxy resin pouring hole and a front exhaust hole which are respectively arranged near the front end and the rear end of the upper wall of the stern tube front bracket.
7. The noise-reducing, shock-isolating and buffering connecting structure of the ship stern shaft as claimed in claim 2, wherein: an annular front sealing frame is further arranged between the front end of the stern tube and the front sealing device, an oil inlet is formed in the lower wall of the front sealing frame, and an oil return opening is formed in the upper wall of the front sealing frame.
8. The noise-reducing, shock-isolating and buffering connecting structure for the ship stern shaft as claimed in claim 7, wherein: the annular convex edge at the front end of the front epoxy resin buffer layer is clamped between the front end face of the stern tube front support and the rear end face of the front sealing frame.
9. The noise-reducing, vibration-isolating and buffering connecting structure for the ship stern shaft as claimed in claim 1 or 2, wherein: the rear end of the stern tube is outwards provided with a flange, and the annular convex edge at the rear end of the rear epoxy resin buffer layer is clamped between the flange at the rear end of the stern tube and the rear end surface of the stern tube rear support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843344.6U CN213292681U (en) | 2020-08-29 | 2020-08-29 | Noise-reduction shock-insulation buffer connection structure of ship stern shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021843344.6U CN213292681U (en) | 2020-08-29 | 2020-08-29 | Noise-reduction shock-insulation buffer connection structure of ship stern shaft |
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| CN213292681U true CN213292681U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021843344.6U Active CN213292681U (en) | 2020-08-29 | 2020-08-29 | Noise-reduction shock-insulation buffer connection structure of ship stern shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115503927A (en) * | 2022-09-23 | 2022-12-23 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Stern shaft device and ship |
-
2020
- 2020-08-29 CN CN202021843344.6U patent/CN213292681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115503927A (en) * | 2022-09-23 | 2022-12-23 | 广州船舶及海洋工程设计研究院（中国船舶工业集团公司第六0五研究院） | Stern shaft device and ship |
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