CN112278187B - Hovercraft engine nacelle device and construction method - Google Patents
Hovercraft engine nacelle device and construction method Download PDFInfo
- Publication number
- CN112278187B CN112278187B CN202011151925.8A CN202011151925A CN112278187B CN 112278187 B CN112278187 B CN 112278187B CN 202011151925 A CN202011151925 A CN 202011151925A CN 112278187 B CN112278187 B CN 112278187B
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- Prior art keywords
- section bar
- hovercraft
- engine
- outer plate
- panel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60V—AIR-CUSHION VEHICLES
- B60V3/00—Land vehicles, waterborne vessels, or aircraft, adapted or modified to travel on air cushions
- B60V3/06—Waterborne vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
Abstract
The invention relates to the technical field of ship construction, and discloses a hovercraft engine nacelle device and a construction method, wherein the hovercraft engine nacelle device comprises an outer plate, reinforcing ribs, sectional materials and a panel, the sectional materials comprise transverse sectional materials and longitudinal sectional materials, the outer plate is cylindrical, the reinforcing ribs are annularly distributed on the outer plate, the transverse sectional materials and the longitudinal sectional materials are connected and arranged on the outer plate, and the panel is arranged on the transverse sectional materials and the longitudinal sectional materials; the construction method of the hovercraft engine nacelle device comprises the following steps: laying an outer plate on a special jig frame, installing reinforcing ribs on the outer plate, welding profiles on the outer plate, wherein the profiles comprise a transverse profile and a longitudinal profile which are connected, and installing a panel on the transverse profile and the longitudinal profile. The mounting platform can be provided for the engine, the cylindrical structure with considerable load can be borne, the safe and stable operation of the engine is ensured, and the stable and safe running of the hovercraft is further ensured.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a hovercraft engine nacelle device and a construction method.
Background
At present, some hovercraft adopt a gas turbine engine to provide powerful power support for the running of the hovercraft, the stable and safe running of the engine is an important guarantee for the running safety and stability of the hovercraft, the gas turbine engine has heavy structure, according to the relevant knowledge of gas dynamics, most of the prior art is that a nacelle of the gas turbine engine is directly arranged on a main hull structure or a built-on structure, the nacelle is a cabin of the engine, the engine is fixed, the engine airflow is optimized, and the engine is protected from external damage, therefore, the engine nacelle of the general hovercraft does not have adaptive design on the engine and the hovercraft, so the stable and efficient running of the engine cannot be realized, certain hidden dangers are buried for the safe running of the hovercraft, therefore, a nacelle needs to be designed corresponding to the engine of the hovercraft at present to provide an installation platform for the gas turbine engine, and can bear the stress structure of considerable load and ensure the stable and safe operation of the hovercraft.
Disclosure of Invention
The purpose of the invention is: the gas turbine engine of the hovercraft is ensured to run safely and stably, so that the hovercraft can run safely and stably, a structure is specially designed, a construction method is provided aiming at the current situation that the construction process is complex, and the manufacturing quality is ensured.
In order to solve the technical problems, the invention provides a hovercraft engine nacelle device and a construction method thereof, which provide an installation platform for an engine, can bear a stress structure with a considerable load and ensure that the hovercraft runs stably and safely.
The utility model provides a hovercraft engine nacelle device, includes planking, strengthening rib, section bar and panel, the section bar includes horizontal section bar and vertical section bar, the planking becomes the cylindric, the strengthening rib distributes annularly and sets up on the planking, horizontal section bar with vertical section bar is connected and is installed on the planking, the panel is installed horizontal section bar with vertical section bar is last.
As a preferable aspect of the present invention, the panel is fixed to the transverse profile and the longitudinal profile by bolts.
As a preferable aspect of the present invention, the profile further includes a main profile, the main profile is mounted on the outer panel and extends in an axial direction, and the main profile is connected to the plurality of reinforcing ribs at the same time.
As a preferable aspect of the present invention, the hovercraft engine nacelle device further includes a reinforcing plate and a triangular plate, and the reinforcing plate and the triangular plate are respectively mounted on the reinforcing rib and the profile.
As a preferable aspect of the present invention, the profile is a T-profile.
A construction method of a nacelle device of an engine of a hovercraft is characterized by comprising the following steps: laying an outer plate on a special jig frame, installing reinforcing ribs on the outer plate, welding profiles on the outer plate, wherein the profiles comprise a transverse profile and a longitudinal profile which are connected, and installing a panel on the transverse profile and the longitudinal profile.
In a preferred embodiment of the present invention, the profile further includes a main profile, and the main profile is attached to the outer panel before the transverse profile and the longitudinal profile are welded to the outer panel.
As a preferred aspect of the present invention, the panel is installed by drilling and then fastening the panel to the transverse profile and the longitudinal profile using bolts.
As a preferable aspect of the present invention, a reinforcing plate and a triangular plate are attached to the reinforcing bar and the profile.
The invention has the beneficial effects that: the hovercraft engine nacelle device and the construction method thereof provide an installation platform for the engine, can bear a cylindrical stress structure with a considerable load, have high structural strength, ensure the safe and stable operation of the gas turbine engine and further ensure the stable and safe running of the hovercraft.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
in the figure, 1 — outer plate; 2, reinforcing ribs; 3-transverse profile; 4-a panel; 5-longitudinal profile; 6-reinforcing plate; 7, a bolt; 8, a triangular plate; 9-main section bar.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a hovercraft engine nacelle device according to an embodiment of the present invention includes an outer plate 1, reinforcing ribs 2, and a panel 4, where the outer plate 1 includes a transverse profile 3 and a longitudinal profile 5, the outer plate 1 is cylindrical, the reinforcing ribs 2 are annularly distributed on the outer plate 1, the transverse profile 3 and the longitudinal profile 5 are connected to form an engine supporting framework and are mounted on the outer plate 1, the panel 4 is mounted on the transverse profile 3 and the longitudinal profile 5 to form a platform for placing an engine, the outer plate 1 is distributed by a plurality of reinforcing ribs 2 extending along the cylindrical radial direction to form a cylindrical stressed structure, and the transverse profile 3 and the longitudinal profile 5 are connected to a frame structure to support the engine in the cylindrical structure.
Referring to fig. 2, the panel 4 is fixed to the transverse profile 3 and the longitudinal profile 5 by bolts 7, and the panel 4 may be fixed to the transverse profile 3 and the longitudinal profile 5 by welding or integrally molding.
Referring to fig. 2, the profile further includes a main profile 9, the main profile 9 is mounted at a corresponding position on the outer plate 1 and extends in the axial direction, the main profile 9 is connected with a plurality of the reinforcing ribs 2 at the same time, and is preferably symmetrically arranged on both sides of the outer plate 1, so as to further increase the strength of the whole structure of the nacelle.
Referring to fig. 1 and 2, for example, the hovercraft engine nacelle device further includes a reinforcing plate 6 and a triangular plate 8, the reinforcing plate 6 and the triangular plate 8 are respectively installed on the reinforcing rib 2 and the profile, the reinforcing plate 6 and the triangular plate 8 can correspondingly further reinforce the reinforcing rib 2 and the profile, for example, the structural firmness of the joint between the main profile 9 and the outer panel 1 can be greatly enhanced by arranging the triangular plate 8, and the bearing capacity of a specific stress concentration part can be enhanced by uniformly arranging the reinforcing plate 6 on the reinforcing rib 2.
With reference to fig. 1-3, said profiles are, for example, T-profiles, said transverse profiles 3 and said longitudinal profiles 5 and said main profiles 9 preferably being of T-shaped construction, so as to give the structure of the nacelle assembly sufficient mechanical strength and to be easily welded or bolted.
To sum up, use this engine nacelle device, provide mounting platform for the engine, and can bear the cylindric atress structure of considerable load, the device structural strength is high, ensures gas turbine engine safe and steady operation, and then guarantees that the hovercraft is gone steadily safely
A construction method for a nacelle device of a hovercraft engine comprises the following steps: laying an outer plate 1 on a special jig frame, installing reinforcing ribs 2 on the outer plate 1, welding profiles on the outer plate 1, wherein the profiles comprise a transverse profile 3 and a longitudinal profile 5 which are connected, and installing a panel 4 on the transverse profile 3 and the longitudinal profile 5.
Illustratively, the section bar further comprises a main section bar 9, and the main section bar 9 is installed on the outer plate 1 before the transverse section bar 3 and the longitudinal section bar 5 are welded on the outer plate 1.
Illustratively, the panel 4 is installed by drilling it and then fastening the panel 4 to the transverse profile 3 and the longitudinal profile 5 using bolts 7.
Illustratively, a reinforcing plate 6 and a triangular plate 8 are mounted on the reinforcing bar 2 and the profile.
According to the field construction condition, an auxiliary tool, a construction tool and a manufacturing material are prepared in advance, and related tool equipment is used for blanking raw materials. After blanking processing, assembling parts, welding and performing batch grinding operations, and finishing the material marking operation; manufacturing a special jig frame for constructing the engine nacelle, paving an outer plate of the nacelle on the jig frame to ensure linear coincidence, performing reinforcement measures in advance on a place where a plate seam is possibly concave and convex to complete welding of a butt joint, and performing batch grinding after welding; marking out installation lines of parts such as reinforcing ribs, profiles and the like on the outer plate of the nacelle according to the pattern information, wherein the marking-out is accurate and complete, the components such as the reinforcing ribs, the profiles and the like are installed, and the corner joints of each component are welded in a welding area cleaned by a stainless steel wire brush; hoisting a nacelle buffering plate piece, installing the nacelle buffering plate piece on a nacelle structure, and completing welding of a nacelle outer side plate butt joint; and carrying out tightness inspection on the nacelle, polishing, grinding and cleaning the structural area after the nacelle is qualified, removing impurities such as an oxide film and the like, and coating the internal structural primer according to requirements.
Because the outer plate of the hovercraft engine nacelle device is of a curved surface structure, the plate material of the outer plate is thin, the curved surface structure is of a relatively straight structure, the processing process is relatively complex, the assembly and welding process is difficult to control, and the deformation is very easy to occur.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. A hovercraft engine nacelle device characterized in that: including planking, strengthening rib, section bar and panel, the section bar includes horizontal section bar and vertical section bar, the planking becomes the cylindric, the strengthening rib distributes annularly and sets up on the planking, horizontal section bar with vertical section bar is connected and installs on the planking, the panel is installed horizontal section bar with form the platform that the engine was placed on the vertical section bar, the planking distributes through a plurality of strengthening ribs of its cylindric radial extension of edge and constitutes cylindric atress structure, horizontal section bar with vertical section bar connects into frame structure bearing engine in the tubular structure.
2. The hovercraft engine nacelle assembly as defined in claim 1, wherein: the panel is fixed with the transverse profile and the longitudinal profile by bolts.
3. The hovercraft engine nacelle assembly as defined in claim 1, wherein: the section bar further comprises a main section bar, the main section bar is installed on the outer plate and extends along the axial direction, and the main section bar is connected with the reinforcing ribs simultaneously.
4. A hovercraft engine nacelle assembly as defined in any one of claims 1 to 3 wherein: still include reinforcing plate and set-square, the reinforcing plate with the set-square is installed respectively the strengthening rib with on the section bar.
5. A hovercraft engine nacelle arrangement as defined in any one of claims 1 to 3 wherein: the section bar is a T-shaped section bar.
6. A method for constructing a nacelle assembly of a hovercraft engine as defined in any one of claims 1 to 5, comprising the steps of: laying an outer plate on a special jig frame, installing reinforcing ribs on the outer plate, welding profiles on the outer plate, wherein the profiles comprise a transverse profile and a longitudinal profile which are connected, and installing a panel on the transverse profile and the longitudinal profile.
7. The method for constructing the nacelle assembly of the hovercraft engine as recited in claim 6, further comprising the steps of: the section bar also comprises a main section bar, and the main section bar is installed on the outer plate before the transverse section bar and the longitudinal section bar are welded on the outer plate.
8. The method for constructing the nacelle assembly of the hovercraft engine as recited in claim 6, further comprising the steps of: when the panel is installed, firstly, the panel is drilled, and then the panel is fastened on the transverse section and the longitudinal section by using bolts.
9. The method for constructing the nacelle assembly of the hovercraft engine as recited in claim 6, further comprising the steps of: and installing a reinforcing plate and a triangular plate on the reinforcing rib and the section bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151925.8A CN112278187B (en) | 2020-10-23 | 2020-10-23 | Hovercraft engine nacelle device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151925.8A CN112278187B (en) | 2020-10-23 | 2020-10-23 | Hovercraft engine nacelle device and construction method |
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| Publication Number | Publication Date |
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| CN112278187A CN112278187A (en) | 2021-01-29 |
| CN112278187B true CN112278187B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011151925.8A Active CN112278187B (en) | 2020-10-23 | 2020-10-23 | Hovercraft engine nacelle device and construction method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114872861B (en) * | 2022-06-20 | 2023-03-14 | 中船黄埔文冲船舶有限公司 | Construction method for reinforcing structure under self-elevating wind power platform suspension arm shelf |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB476691A (en) * | 1936-06-11 | 1937-12-13 | Arthur Ernest Hagg | Improvements in or relating to marine engine mountings |
| WO2014037835A2 (en) * | 2012-09-06 | 2014-03-13 | Hovertech Ltd | Hovercraft |
| CN205273454U (en) * | 2015-12-28 | 2016-06-01 | 兰芝芳 | Hover platform ships of dwelling more |
| WO2016147102A2 (en) * | 2015-03-13 | 2016-09-22 | Fryjewicz Piotr | Modular construction for boats |
| CN110466493A (en) * | 2019-08-22 | 2019-11-19 | 中船黄埔文冲船舶有限公司 | A kind of aircushion vehicle engine propeller pylon structure and machining method |
| CN111392018A (en) * | 2020-05-08 | 2020-07-10 | 广西玉柴机器股份有限公司 | Sinking type marine engine mounting base device and mounting method thereof |
-
2020
- 2020-10-23 CN CN202011151925.8A patent/CN112278187B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB476691A (en) * | 1936-06-11 | 1937-12-13 | Arthur Ernest Hagg | Improvements in or relating to marine engine mountings |
| WO2014037835A2 (en) * | 2012-09-06 | 2014-03-13 | Hovertech Ltd | Hovercraft |
| WO2016147102A2 (en) * | 2015-03-13 | 2016-09-22 | Fryjewicz Piotr | Modular construction for boats |
| CN205273454U (en) * | 2015-12-28 | 2016-06-01 | 兰芝芳 | Hover platform ships of dwelling more |
| CN110466493A (en) * | 2019-08-22 | 2019-11-19 | 中船黄埔文冲船舶有限公司 | A kind of aircushion vehicle engine propeller pylon structure and machining method |
| CN111392018A (en) * | 2020-05-08 | 2020-07-10 | 广西玉柴机器股份有限公司 | Sinking type marine engine mounting base device and mounting method thereof |
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| CN112278187A (en) | 2021-01-29 |
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Application publication date: 20210129 Assignee: GUANGZHOU WENCHONG SHIPYARD Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980037695 Denomination of invention: Engine nacelle device and construction method of Hovercraft Granted publication date: 20220902 License type: Common License Record date: 20230706 |