CN206344979U - A kind of large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming - Google Patents
A kind of large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming Download PDFInfo
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- CN206344979U CN206344979U CN201620982063.6U CN201620982063U CN206344979U CN 206344979 U CN206344979 U CN 206344979U CN 201620982063 U CN201620982063 U CN 201620982063U CN 206344979 U CN206344979 U CN 206344979U
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- shaft bracket
- propeller shaft
- support arm
- propeller
- casting forming
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Abstract
The utility model is related to a kind of large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming, and propeller shaft bracket propeller boss is connected transitional region with inside and outside support arm for integral casting forming and is that propeller shaft bracket propeller boss is connected transitional region with inside and outside support arm and seamlessly transits structure using orthodrome.Advantage：One is cast respectively instead of propeller shaft bracket propeller boss and support arm using the method for integral casting forming（Forging）, then welding fabrication design structure, not only simplify manufacturing process, while reduce production cost, improve the utilization rate of material；Two be that the performance of the herringbone stern tube shaft frame material of integral casting forming has reached unanimously, and overall service behaviour can more meet the load that high powered ship navigation requires work；Three be due to realize the integration of material, product overcome casting forging split manufacture and by welded bands come defect, extend the service life of product, improve operating efficiency, with extremely considerable economic benefit and development prospect.
Description
Technical field
The utility model is related to a kind of method using integral casting forming to cast respectively instead of propeller shaft bracket propeller boss and support arm
Make（Forging）, then welding fabrication design structure, the performance of herringbone propeller shaft bracket material has been reached unanimously, and overall
Service behaviour can more meet the large-scale high powered ship stern tube shaft of integral casting forming that high powered ship navigation requires service load
Frame steel-casting, belongs to high powered ship and manufactures field with propeller shaft bracket steel-casting.
Background technology
Propeller shaft bracket is also known as " A-frame ", leads to " propeller strut ".Propeller shaft bracket is that shaft support is promoted outside supporting ship, by propeller boss and branch
Arm is constituted.It is generally used on middle-size and small-size naval vessel, there is two kinds of single armed and both arms.Single armed propeller shaft bracket only one of which support arm, its rigidity compared with
Difference, but it is lightweight, it is easy to repair during damage and changes, is usually used on the small sweeper of multiple propeller.Both arms propeller shaft bracket is commonly called as herringbone
Frame, rigidity is better than single armed propeller shaft bracket.Two support arm angles of herringbone propeller shaft bracket are between 60 °~90 °, close to rigidity at 90 ° most
It is good.Pillar is stretched into be connected in hull with rigid backbone, and the place's of stretching into outside plate should be strengthened, and the section of support arm is former according to hydrodynamics
Reason, is generally configured to that fish body is streamlined, to reduce the resistance of water during ship's navigation.It is wide that herringbone propeller shaft bracket is widely used in hull
Greatly, shallow draft, rear body plentiful roll-on-roll-off ship, ferryboat, passenger boat etc. is provided with the ship type of double oars.
Dynamic loading when dead load and the propeller works of shafting and propeller, therefore stern are born due to herringbone propeller shaft bracket
Angle between pedestal stability fixed in hull and two support arms and propeller boss can directly affect the steady of propeller works
The power of property and ship running.Large-scale herringbone propeller shaft bracket by conventional fabrication processes due to being restricted, the stern of integral casting forming
Pedestal often produces solidification shrinkage deformation, and the location dimension of two support arm angles and support arm in cabin often has with design requirement
Deviation.
In order to ensure that propeller shaft bracket, with meeting vessel operation requirement after hull assembling, often uses propeller shaft bracket propeller boss in design
Distinguish casting with support arm（The high propeller shaft bracket propeller boss of means suitable and support arm use forging molding）, then set up according to stern tube shaft
Meter requires fixing assembling at the scene, is finally welded（As shown in Fig. 3 and Fig. 4）.Due to being limited by building berth working environment, welding
When support arm in the positioning of propeller boss and welding process support arm, being positioned on building berth in propeller boss is difficult control, and after welding treatment is very
It is difficult to ensure that card is strictly performed by weld procedure specification requirement, welded seam area quality is extremely difficult to design requirement.
Utility model content
Purpose of design：The weak point in background technology is avoided, a kind of method using integral casting forming is designed come generation
Cast respectively for propeller shaft bracket propeller boss and support arm（Forging）, then welding fabrication design structure, not only simplify manufacturing process, simultaneously
Production cost is reduced, the utilization rate of material is improved, while the performance of the herringbone stern tube shaft frame material of integral casting forming reaches
Unanimously, overall service behaviour can more meet the large-scale high power of integral casting forming that high powered ship navigation requires service load
Ship propeller shaft bracket steel-casting.
Design：In order to realize above-mentioned purpose of design.The application was connected to overall propeller shaft bracket structure propeller boss with support arm
Region is crossed using orthodrome transition, i.e., using integral casting forming（See Fig. 2）Method replace propeller shaft bracket propeller boss and support arm point
Do not cast（Forging）, then welding fabrication design structure, not only simplify manufacturing process, while reduce production cost, improve
The utilization rate of material, while the performance of the herringbone stern tube shaft frame material of integral casting forming has reached unanimously, overall service behaviour
The service load that high powered ship navigation is required can more be met.
The utility model compared with background technology, one be using the method for integral casting forming come instead of propeller shaft bracket propeller boss and
Support arm is cast respectively（Forging）, then welding fabrication design structure, not only simplify manufacturing process, be produced into while reducing
This, improves the utilization rate of material；Two be that the performance of the herringbone stern tube shaft frame material of integral casting forming has reached unanimously, overall work
The load that high powered ship navigation requires work can more be met by making performance；Three be due to realize the integration of material, product gram
Taken casting forging split manufacture and by welded bands come defect, extend the service life of product, improve operating efficiency, have
Extremely considerable economic benefit and development prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming.
Fig. 2 is Fig. 1 side structure schematic view.
Fig. 3 is the structural representation of background technology.
Fig. 4 is Fig. 3 side structure schematic view.
Embodiment
Embodiment 1：Referring to the drawings 1-2.A kind of large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming, stern tube shaft
Frame propeller boss（1）With interior support arm（2）With outer support arm（3）Connect transitional region（4）For integral casting forming and be propeller shaft bracket propeller boss（1）
With interior support arm（2）With outer support arm（3）Connect transitional region（4）Use orthodrome seamlessly transit the radian of structure and orthodrome for
R100-R200。
It is to be understood that：The detailed word although above-described embodiment is contrasted to mentality of designing of the present utility model
Description, but these word descriptions, simply to the simple text description of the utility model mentality of designing, rather than it is new to this practicality
The limitation of type mentality of designing, any combination, increase or modification without departing from the utility model mentality of designing each falls within this practicality new
In the protection domain of type.
Claims (2)
1. a kind of large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming, it is characterized in that：Propeller shaft bracket propeller boss（1）With it is interior
Support arm（2）With outer support arm（3）Connect transitional region（4）For integral casting forming, and it is propeller shaft bracket propeller boss（1）With interior support arm（2）
With outer support arm（3）Connection transitional region seamlessly transits structure, propeller shaft bracket propeller boss using orthodrome（1）With interior support arm（2）With outer branch
Arm passes through circular arc dovetail by vertical legs and oblique support arm respectively.
2. the large-scale high powered ship of integral casting forming according to claim 1 connects transition region with propeller shaft bracket steel-casting
Domain, the radian of its circular arc is R100-R200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982063.6U CN206344979U (en) | 2016-08-30 | 2016-08-30 | A kind of large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982063.6U CN206344979U (en) | 2016-08-30 | 2016-08-30 | A kind of large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206344979U true CN206344979U (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620982063.6U Active CN206344979U (en) | 2016-08-30 | 2016-08-30 | A kind of large-scale high powered ship propeller shaft bracket steel-casting of integral casting forming |
Country Status (1)
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| CN (1) | CN206344979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773957A (en) * | 2019-10-24 | 2020-02-11 | 太原科技大学 | Casting-continuous-forging near-net-shape forming process for large casting and forging piece |
-
2016
- 2016-08-30 CN CN201620982063.6U patent/CN206344979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773957A (en) * | 2019-10-24 | 2020-02-11 | 太原科技大学 | Casting-continuous-forging near-net-shape forming process for large casting and forging piece |
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