CN207482169U - A kind of ship stern tube shaft packet - Google Patents
A kind of ship stern tube shaft packet Download PDFInfo
- Publication number
- CN207482169U CN207482169U CN201721610685.7U CN201721610685U CN207482169U CN 207482169 U CN207482169 U CN 207482169U CN 201721610685 U CN201721610685 U CN 201721610685U CN 207482169 U CN207482169 U CN 207482169U
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- floor
- watertight
- tube shaft
- stern
- casting
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Abstract
The utility model discloses a kind of ship stern tube shaft packets, including watertight pipe, watertight ring, platform wrapper sheet, coffin plate, first floor, second floor and stern steel-casting, the platform wrapper sheet is arranged on hull interior, first floor and the second floor are oppositely disposed at the platform wrapper sheet both sides, the watertight ring is equipped in first floor, the stern steel-casting is equipped in second floor, the watertight pipe is connected between the watertight ring and the stern steel-casting, the watertight pipe, the axis of watertight ring and stern steel-casting overlaps, the coffin plate coats first floor and the second floor and is connected on the outside plate of hull and the outside plate, platform wrapper sheet, first floor, second floor and watertight pipe form watertight cavity.The utility model avoids stern tube shaft packet internal structure and manhole cover due to corrosion caused by Long Term Contact seawater, extends the service life of axis packet, improves safety of ship coefficient.The utility model is simple in structure, and using effect is good, use easy to spread.
Description
Technical field
The utility model is related to technical field of ships, more specifically to a kind of ship stern tube shaft packet.
Background technology
Screw shaft of ship is pierced by hull, to make the linear smoothness of hull, effectively reduces influence of the hydrodynamic force to ship's navigation, especially
It is the ship having higher requirements to the speed of a ship or plane, is commonly designed out stern tube shaft axis packet form.For the stern tube shaft packet of water lubrication, how
Not only the requirement that stern bearing realizes water lubrication with contact with sea water had been met, but also has ensured that hull interior structure and manhole cover have with seawater realization
Effect isolation, it is ensured that safety of ship is a technical barrier.Existing water lubrication shaft pack arrangement has the drawback that.
First, to the stern tube shaft of stern bearing water lubrication, entire stern tube shaft packet internal structure must all submerge in the seawater, even if stern tube shaft
Pipe is designed to housing pillar form, but in order to carry out water lubrication, and the palpus trepanning of stern tube shaft pillar is directly connected to seawater, this is resulted in i.e.
Make welding stern tube that can not also carry out the situation that stern tube shaft packet internal structure effectively separates with seawater, cause axis packet inner structure can be with sea
Water is in direct contact to corrode.Particularly axis packet inner space is compact, can not reliably be welded, effectively polishing and
Paint processing, structure can drastically be accelerated by seawater corrosion, and the perforation of severe patient's axis packet injures in hull bottom into water security.
Furthermore, it is generally the case that one can be designed on hull inner platform wrapper sheet to several manhole covers, one is used for stern tube shaft
The inside weld welding of structure construction in packet, especially coffin plate, two carry out the installation and maintenance for stern tube shaft.But due to manhole cover
Long period of soaking is in the seawater of flowing, once damaging or needing replacing, the row of merely having to could not handle and replace, and also jeopardize ship
Oceangoing ship safety from the aspect of maintenance cost or from the aspect of navigation safety, there is very high cost and very
Big security risk.
Finally, the hull longitudinal direction line style at stern tube shaft pack arrangement is in transition from high to low, can be formed by stern in stern tube shaft packet
To a low areas of bow, silt, rubbish and marine organisms can be gathered, the later stage maintains, is also extremely difficult in cleaning.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of ship stern tube shaft packet, can meet water lubrication tailing axle
Design requirement, and can guarantee that axis packet inner structure is isolated with seawater, hull interior is avoided to cause to corrode with contact with sea water, avoids platform
Manhole cover on wrapper sheet is damaged or accidentally hull water inlet caused by opening, the life and reliability of extending shaft packet improve safety coefficient.
Technical solution is used by the utility model solves its technical problem：
A kind of ship stern tube shaft packet, including watertight pipe, watertight ring, platform wrapper sheet, coffin plate, the first floor, the second floor and stern
Steel-casting, the platform wrapper sheet are arranged on hull interior, and first floor and the second floor are oppositely disposed at the platform
Wrapper sheet both sides are equipped with the watertight ring in first floor, the stern steel-casting, the watertight are equipped in second floor
The watertight pipe is connected between ring and the stern steel-casting, the axis of the watertight pipe, watertight ring and stern steel-casting overlaps, described
Coffin plate coats first floor and the second floor and is connected on the outside plate of hull and the outside plate, platform wrapper sheet, first
Floor, the second floor and watertight pipe form watertight cavity.
Preferably, at least one ribs sheet frame, the ribs sheet frame are equipped between first floor, the second floor
Around the watertight pipe and it is connected on the platform wrapper sheet.
Preferably, the ribs sheet frame is equipped in the watertight pipe side strengthens panel.
Preferably, the position that the watertight pipe is connect with the stern steel-casting is equipped with reinforcement structure.
Preferably, the reinforcement structure is in rice font in the plane perpendicular with the axial direction of the watertight pipe.
Preferably, the outside plate is connect with the coffin plate using arc section fairing transition.
The beneficial effects of the utility model are：By the way that coffin plate is coated the first floor and the second floor and is connected to outside plate
Upper and outside plate, platform wrapper sheet, the first floor, the second floor and watertight pipe form watertight cavity so that can meet water lubrication tail
The requirement of axis, but can reach makes ship stern tube shaft packet inner cavity completely cut off with seawater, avoids inside stern tube shaft packet due to caused by contact seawater
Corrosion, the service life of extending shaft packet.Simultaneously as seawater corrosion does not occur for the manhole cover of platform wrapper sheet, so the safety of manhole cover
Reliability greatly promotes, it is possible to prevente effectively from ship leakage wind caused by the manhole cover corrosion failure or mistake opening on platform wrapper sheet
Danger, improves safety of ship coefficient.The utility model is simple in structure, and using effect is good, use easy to spread.
Description of the drawings
Fig. 1 is the structure elevational schematic of the ship stern tube shaft packet of the utility model.
Fig. 2 is the cross-sectional schematic diagram of structure of the ship stern tube shaft packet of the utility model.
Wherein：1- watertight pipes, 2- watertight rings, 3- reinforcement structures, 4- stern steel-castings, 5- coffin plates, 6- outside plates, 7- ribs
Sheet frame, 8- platform wrapper sheets, the first floors of 9-, the second floors of 10-, 11- strengthen panel, 12- watertight cavitys.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but be not intended to limit the scope of the present invention.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The range of the utility model protection.
Please refer to attached Fig. 1 and 2, a kind of ship stern tube shaft packet of the present embodiment, including watertight pipe 1, watertight ring 2, platform wrapper sheet 8,
Coffin plate 5, the first floor 9, the second floor 10 and stern steel-casting 4, the platform wrapper sheet 8 are arranged on hull interior, and described first
9 and second floor 10 of floor is oppositely disposed at 8 both sides of platform wrapper sheet, and the watertight ring is equipped in first floor 9
2, the stern steel-casting 4 is equipped in second floor 10, the water is connected between the watertight ring 2 and the stern steel-casting 4
Close pipe 1, the axis of the watertight pipe 1, watertight ring 2 and stern steel-casting 4 overlap, the coffin plate 5 coat first floor 9 and
Second floor 10 is simultaneously connected on the outside plate 6 of hull and the outside plate 6, platform wrapper sheet 8, the first floor 9, the second floor 10 and water
Close pipe 1 forms watertight cavity 12.
Ship stern tube shaft packet based on above-mentioned technical characteristic, by the way that coffin plate 5 is coated the first floor 9 and the second floor 10 and is connected
It is connected on outside plate 6 and forms watertight cavity with outside plate 6, platform wrapper sheet 8, the first floor 9, the second floor 10 and watertight pipe 1 so that both
The requirement of water lubrication tailing axle can be met, and can reach completely cuts off ship stern tube shaft packet inner cavity and seawater, avoid inside stern tube shaft packet due to
Corrosion caused by contacting seawater, the service life of extending shaft packet.Simultaneously as seawater corrosion does not occur for the manhole cover of platform wrapper sheet, institute
It is greatly promoted with the security reliability of manhole cover, it is possible to prevente effectively from the manhole cover corrosion failure or mistake on platform wrapper sheet are opened and led
The ship leakage risk of cause, improves safety of ship coefficient.The utility model is simple in structure, and using effect is good, easy to spread to make
With.
In the present embodiment, at least one ribs sheet frame 7 is equipped between first floor 9, the second floor 10, it is described to add
Strong floor frame 7 is around the watertight pipe 1 and is connected on the platform wrapper sheet 8, and the ribs sheet frame 7 is in the watertight pipe 1
Side, which is equipped with, strengthens panel 11, and the poling gap for strengthening having 20-80 millimeters between panel 11 and the watertight pipe 1 is more excellent
Ground, the poling gap are 50 millimeters.If the watertight pipe 1 uniquely relies on both ends and is connected to the stern steel-casting 4 and institute
It states and is fixed on watertight ring 2, then the integral strength of the stern tube shaft packet is insufficient, and the protection formed to the watertight pipe 1 is inadequate, passes through
The ribs sheet frame 7 on the watertight pipe 1 is set, can make the watertight pipe 1 that there is better stability and higher
Safety.The reinforcement panel 11 is set, the intensity of the ribs sheet frame 7 can be increased and increased, the watertight pipe 1 is worn
The protection of tube wall during pipe ensures the shape of the watertight pipe 1.
In the present embodiment, the position that the watertight pipe 1 is connect with the stern steel-casting 4 is equipped with reinforcement structure 3, the reinforcement
Structure 3 is in rice font in the plane perpendicular with the axial direction of the watertight pipe 1.Since the watertight pipe 1 is by the stern
Steel-casting 4 is connected with hull, so can bear bigger active force in junction of this position between them, passes through setting
The reinforcement structure 3 can preferably fix the watertight pipe 1, slow down shafting vibration and structural fatigue.
In the present embodiment, the outside plate 6 is connect with the coffin plate 5 using arc section fairing transition.Using arc section mistake
Connection is crossed, the linear fluency of the ship stern tube shaft packet can be increased, reduces ship resistance of the water to the ship stern tube shaft packet.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model technical principle is not departed from, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (6)
1. a kind of ship stern tube shaft packet, it is characterised in that：Including watertight pipe, watertight ring, platform wrapper sheet, coffin plate, the first floor, second
Floor and stern steel-casting, the platform wrapper sheet are arranged on hull interior, and first floor is oppositely disposed at the second floor
The platform wrapper sheet both sides are equipped with the watertight ring in first floor, the stern steel-casting are equipped in second floor,
The watertight pipe, the axis of the watertight pipe, watertight ring and stern steel-casting are connected between the watertight ring and the stern steel-casting
It overlaps, the coffin plate coats first floor and the second floor and is connected on the outside plate of hull and the outside plate, platform
Wrapper sheet, the first floor, the second floor and watertight pipe form watertight cavity.
2. ship stern tube shaft packet as described in claim 1, it is characterised in that：It is equipped at least between first floor, the second floor
One ribs sheet frame, the ribs sheet frame is around the watertight pipe and is connected on the platform wrapper sheet.
3. ship stern tube shaft packet as claimed in claim 2, it is characterised in that：The ribs sheet frame is equipped in the watertight pipe side
Strengthen panel.
4. ship stern tube shaft packet as described in claim 1, it is characterised in that：The position that the watertight pipe is connect with the stern steel-casting
Equipped with reinforcement structure.
5. ship stern tube shaft packet as claimed in claim 4, it is characterised in that：The reinforcement structure is in the axial phase with the watertight pipe
It is in rice font in vertical plane.
6. ship stern tube shaft packet as described in claim 1, it is characterised in that：The outside plate uses arc section fairing with the coffin plate
Transition connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610685.7U CN207482169U (en) | 2017-11-27 | 2017-11-27 | A kind of ship stern tube shaft packet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610685.7U CN207482169U (en) | 2017-11-27 | 2017-11-27 | A kind of ship stern tube shaft packet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207482169U true CN207482169U (en) | 2018-06-12 |
Family
ID=62472730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721610685.7U Active CN207482169U (en) | 2017-11-27 | 2017-11-27 | A kind of ship stern tube shaft packet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207482169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985540A (en) * | 2017-11-27 | 2018-05-04 | 中船黄埔文冲船舶有限公司 | A kind of ship stern tube shaft bag and its manufacture method |
-
2017
- 2017-11-27 CN CN201721610685.7U patent/CN207482169U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985540A (en) * | 2017-11-27 | 2018-05-04 | 中船黄埔文冲船舶有限公司 | A kind of ship stern tube shaft bag and its manufacture method |
| CN107985540B (en) * | 2017-11-27 | 2020-04-14 | 中船黄埔文冲船舶有限公司 | Manufacturing method of stern shaft package |
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