CN207773374U - A kind of screw shaft of ship steel-casting - Google Patents
A kind of screw shaft of ship steel-casting Download PDFInfo
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- CN207773374U CN207773374U CN201820057261.0U CN201820057261U CN207773374U CN 207773374 U CN207773374 U CN 207773374U CN 201820057261 U CN201820057261 U CN 201820057261U CN 207773374 U CN207773374 U CN 207773374U
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- gusset
- cavity
- screw shaft
- casting
- ship
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Abstract
The utility model discloses a kind of screw shaft of ship steel-casting, including ontology, run through along its length in ontology and offers stern tube shaft hole, the axle center in stern tube shaft hole and the middle heart septum of ontology are arranged, so as to be formed with first area of varying thickness and second area between the side wall in stern tube shaft hole and the outer wall of ontology, wherein, the thickness of first area is more than the thickness of second area, cavity is provided in first area, multiple spaced gussets are provided in cavity, cavity is divided into multiple sub- cavitys by gusset, the outer wall of stern tube shaft steel-casting is supported by the way that multiple gussets are arranged between the propeller boss and outer wall of the stern tube shaft steel-casting of ship, the structural strength of outer wall can effectively be enhanced, and cavity is separated by the way that multiple gussets are arranged, the manufacture difficulty of screw shaft of ship steel-casting can be reduced, improve production efficiency.
Description
Technical field
The utility model is related to shipbuilding technical field more particularly to a kind of screw shaft of ship steel-castings.
Background technology
In the design of ship, part ship type uses asymmetrical design.The screw shaft of ship steel-casting in asymmetric ship
Line style larboard is loose, and starboard is fine, causes the cavity spy that steel-casting inner cavity is left large and right small, and port outboard printed line type is formed with propeller boss
It is not big, steel-casting shell is difficult to form effective support, starboard outside plate line style is closer away from stern shaft hub, and cavity is smaller.Therefore existing
Screw shaft of ship steel-casting have the following problems：To ensure the structural strength of stern casting, often the design size of stern casting is larger,
Internal structure is complicated so that casting difficulty is higher, and the yields of finished product is relatively low, and scale error is easy excessive.
Utility model content
The purpose of this utility model is that：A kind of screw shaft of ship steel-casting is provided, reasonable for structure, manufacture difficulty is relatively low.
For this purpose, the utility model uses following technical scheme：
A kind of screw shaft of ship steel-casting, including ontology are provided, runs through along its length in the ontology and offers stern tube shaft
Hole, the axle center in the stern tube shaft hole is arranged with the middle heart septum of the ontology, so that the outer wall of the side wall and ontology in the stern tube shaft hole
Between be formed with first area of varying thickness and second area, wherein the thickness of the first area be more than secondth area
The thickness in domain is provided with cavity in the first area, and multiple spaced gussets, the muscle are provided in the cavity
The cavity is divided into multiple sub- cavitys by plate.
As a kind of preferred technical solution of the utility model, the gusset includes the first gusset and the second gusset, institute
Stating cavity has the first side wall in the neighbouring stern tube shaft hole and the second sidewall opposite with the first side wall, second gusset
It is set at the maximum spacing between the first side wall and the second sidewall, first gusset is set to second muscle
The side of plate.
As a kind of preferred technical solution of the utility model, first gusset and second gusset and described the
The junction of one side wall and the second sidewall is provided with strengthening portion.
As a kind of preferred technical solution of the utility model, the surface of the strengthening portion is set as arc transition knot
Structure.
As a kind of preferred technical solution of the utility model, the cavity is that the circumference along the stern tube shaft hole is arranged
Arc-shaped cavity.
As a kind of preferred technical solution of the utility model, the ontology has close to the first end of hull and separate
The second end of the hull, the top of the first end are set as the ramp structure vertical with the outside plate of the hull, and described
The lower part of one end is set as the flat face structure with the outside plate gentle transition of the hull.
As a kind of preferred technical solution of the utility model, the top of the first end is provided with and the hull
The platform structure of platform deck connection.
As a kind of preferred technical solution of the utility model, the platform structure is that the top of the first end is arranged
Groove, the slot bottom of the groove is arc-shaped, and the lower part of the groove is parallel with the deck.
As a kind of preferred technical solution of the utility model, the cavity is connected to the first end.
As a kind of preferred technical solution of the utility model, the end of each gusset passes through structure bracket and ship
Floor connect the frame structure to form ship.
The beneficial effects of the utility model are：It is multiple by being arranged between the propeller boss and outer wall of the stern tube shaft steel-casting of ship
Gusset is supported outer wall, can effectively enhance the structural strength of outer wall, and carried out to cavity by the way that multiple gussets are arranged
Separate, the manufacture difficulty of screw shaft of ship steel-casting can be reduced, improves production efficiency.
Description of the drawings
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is the cross-section diagram of screw shaft of ship steel-casting radially described in embodiment.
Fig. 2 is screw shaft of ship steel-casting described in embodiment along the cross-section diagram of hull centerline direction.
In figure：
1, stern tube shaft hole；2, outer wall；3, cavity；4, the first gusset；5, the second gusset；6, the first side wall；7, second sidewall；8、
Ramp structure；9, flat face structure；10, platform structure；11, outside plate.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Fig. 1~2, in this present embodiment, a kind of screw shaft of ship steel-casting described in the utility model, including this
Body runs through in the ontology and offers stern tube shaft hole 1, the center in the axle center and the ontology in the stern tube shaft hole 1 along its length
Interval setting, so as to be formed with first area of varying thickness and second between the side wall in the stern tube shaft hole 1 and the outer wall 2 of ontology
Region, wherein the thickness of the first area is more than the thickness of the second area, and cavity is provided in the first area
3, multiple spaced gussets are provided in the cavity 3, and the cavity 3 is divided into multiple sub- cavitys 3 by the gusset.Into
One step, cavity is arranged in selectivity according to actual needs in the second area.
Cavity 3 is arranged on screw shaft of ship steel-casting can reduce the usage amount of steel, save iron and steel resource.By in ship
Stern tube shaft steel-casting propeller boss and outer wall 2 between multiple gussets are set outer wall 2 are supported, can effectively enhance outer wall 2
Structural strength avoids the setting of cavity 3 that the structural strength of stern tube shaft steel-casting is declined, and by the way that multiple gussets are arranged to sky
Chamber 3 is separated, and can reduce the manufacture difficulty of screw shaft of ship steel-casting, improves production efficiency.
The cavity 3 is the arc-shaped cavity that the circumference along the stern tube shaft hole 1 is arranged.The cavity 3 of arc setting may make cavity 3
Shape be more bonded with the shape of stern tube shaft steel-casting, the whole stress of stern tube shaft steel-casting evenly, and can reduce making for steel
Dosage mitigates the weight of stern tube shaft steel-casting.
Preferably, the gusset includes the first gusset 4 and the second gusset 5, and the cavity 3 has the neighbouring stern tube shaft hole 1
The first side wall 6 and the second sidewall 7 opposite with the first side wall 6, second gusset 5 be set to the first side wall 6
At maximum spacing between the second sidewall 7, first gusset 4 is set to the side of second gusset 5.Specifically
, second gusset 5 and the angle of the hull center line of ship are 40 °.
Second gusset 5, which is set at the maximum spacing between propeller boss and outer wall 2, to form effective support to outer wall 2, had
The structural strength of the enhancing outer wall 2 of effect, the setting of the first gusset 4 can enhance the support to outer wall 2 on the basis of the second gusset 5
Power, the further structural strength for reinforcing outer wall 2, meanwhile, it needs to avoid gusset being set to cavity 3 in the setting up procedure of gusset
Space smaller part, avoid the manufacture to stern tube shaft steel-casting from increasing difficulty, reduce and the possibility of defect occur.
Further, first gusset 4 and second gusset 5 and the junction of the outer wall 2 and the propeller boss are set
It is equipped with strengthening portion.
Specifically, the surface of the strengthening portion is set as arc transition structure.
The junction of gusset and propeller boss and outer wall 2 be arranged arc-shaped reinforcement structure can effectively enhance gusset and propeller boss and
Bonding strength between outer wall 2 ensures effective support of the gusset to outer wall 2, while can enhance the structural strength of gusset.Strengthening portion
It is set as arc transition structure and can avoid stress concentration occur in the junction of gusset and propeller boss and outer wall 2, avoid using
Cracking in junction in journey influences the service life of ship.
Preferably, the ontology has the first end close to hull and the second end far from the hull, the first end
Top be set as the ramp structure 8 vertical with the outside plate of the hull 11, the lower part of the first end is set as and the ship
The flat face structure 9 of 11 gentle transition of outside plate of body, the cavity 3 are connected to the first end.
Further, the top of the first end is provided with the platform structure 10 being connect with the platform deck of the hull.
Specifically, the groove that the top that the platform structure 10 is the first end is arranged, the slot bottom of the groove is circle
Arc, the lower part of the groove are parallel with the deck.
The platform structure 10 being arranged on stern tube shaft steel-casting can reinforce the connection of the platform deck of stern tube shaft steel-casting and hull,
So that deck is effectively extended to stern, ensures the integrally-built effective continuity of hull.
Preferably, the blind end of the cavity 3 is set as arc-shaped structure.The setting of arc-shaped structure can reduce stern casting
There is stress concentration in inside, enhances the structural strength and service life of stern tube shaft steel-casting.
In description herein, it is to be understood that term " first ", " second " are only used for being distinguish in description,
Without particular meaning.
It is to be understood that above-mentioned specific implementation mode is only the preferred embodiment and institute's application technology of the utility model
Principle, in technical scope disclosed in the utility model, what any one skilled in the art was readily apparent that
Change or replacement should all be covered within the protection scope of the present utility model.
The utility model is illustrated above by specific embodiment, but the utility model is not limited to these tools
The embodiment of body.It will be understood by those skilled in the art that various modifications, equivalent replacement, variation can also be done to the utility model
Etc..But these transformation should be all within the protection scope of the utility model without departing from the spirit of the utility model.
In addition, some terms used in present specification and claims are not limitation, it is only for convenient for description.This
Outside, " one embodiment " described in the above many places, " another embodiment " etc. indicate different embodiments, naturally it is also possible to by it
It is all or part of to combine in one embodiment.
Claims (10)
- Run through along its length 1. a kind of screw shaft of ship steel-casting, including ontology, in the ontology and offers stern tube shaft hole, it is special Sign is, the axle center in the stern tube shaft hole is arranged with the middle heart septum of the ontology, so that the side wall in the stern tube shaft hole and ontology First area of varying thickness and second area are formed between outer wall, wherein the thickness of the first area is more than described the The thickness in two regions is provided with cavity in the first area, and multiple spaced gussets, institute are provided in the cavity It states gusset and the cavity is divided into multiple sub- cavitys.
- 2. screw shaft of ship steel-casting according to claim 1, which is characterized in that the gusset includes the first gusset and second Gusset, the cavity has the first side wall in the neighbouring stern tube shaft hole and the second sidewall opposite with the first side wall, described Second gusset is set at the maximum spacing between the first side wall and the second sidewall, and first gusset is set to institute State the side of the second gusset.
- 3. screw shaft of ship steel-casting according to claim 2, which is characterized in that first gusset and second gusset The junction of the first side wall and the second sidewall is provided with strengthening portion.
- 4. screw shaft of ship steel-casting according to claim 3, which is characterized in that the surface of the strengthening portion is set as circular arc Transition structure.
- 5. screw shaft of ship steel-casting according to claim 1, which is characterized in that the cavity is the week along the stern tube shaft hole The arc-shaped cavity of portion's setting.
- 6. screw shaft of ship steel-casting according to claim 1, which is characterized in that the ontology has first close to hull The second end at end and the separate hull, the top of the first end is set as the inclined-plane knot vertical with the outside plate of the hull Structure, the lower part of the first end are set as the flat face structure with the outside plate gentle transition of the hull.
- 7. screw shaft of ship steel-casting according to claim 6, which is characterized in that the top of the first end is provided with and institute State the platform structure of the platform deck connection of hull.
- 8. screw shaft of ship steel-casting according to claim 7, which is characterized in that the platform structure is the first end The slot bottom of the groove of top setting, the groove is arc-shaped, and the lower part of the groove is parallel with the deck.
- 9. screw shaft of ship steel-casting according to claim 6, which is characterized in that the cavity is connected to the first end.
- 10. screw shaft of ship steel-casting according to claim 1, which is characterized in that the end of each gusset passes through structure The floor of bracket and ship connects the frame structure to form ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820057261.0U CN207773374U (en) | 2018-01-11 | 2018-01-11 | A kind of screw shaft of ship steel-casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820057261.0U CN207773374U (en) | 2018-01-11 | 2018-01-11 | A kind of screw shaft of ship steel-casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207773374U true CN207773374U (en) | 2018-08-28 |
Family
ID=63212429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820057261.0U Active CN207773374U (en) | 2018-01-11 | 2018-01-11 | A kind of screw shaft of ship steel-casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207773374U (en) |
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2018
- 2018-01-11 CN CN201820057261.0U patent/CN207773374U/en active Active
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