CN115230927B - Integral detachable composite catheter - Google Patents
Integral detachable composite catheter Download PDFInfo
- Publication number
- CN115230927B CN115230927B CN202211070276.8A CN202211070276A CN115230927B CN 115230927 B CN115230927 B CN 115230927B CN 202211070276 A CN202211070276 A CN 202211070276A CN 115230927 B CN115230927 B CN 115230927B
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- China
- Prior art keywords
- conduit
- metal ring
- stator
- longitudinal rib
- arc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
- B63H5/15—Nozzles, e.g. Kort-type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model provides an integral dismouting formula composite conduit, the conduit is an integer, including metal ring, interior skin, outer skin, inside longitudinal rib plate and rings, metal ring and inside longitudinal rib plate adopt bolt and gluey mixed connection, metal ring and the inside longitudinal rib plate of conduit form the face contact, avoid the combined material of bolt department to receive great shear load and extrusion load, the inside of conduit is provided with interior skin, the outside of conduit is provided with outer skin, the outside skin department of conduit of the top of metal ring is opened there is the conduit flow hole, the conduit is inside to be full of water when in water; the ship propeller system comprises a ship body, and is characterized by further comprising a stator, wherein the outer circumference of the ship body is provided with a plurality of supporting arms, each supporting arm penetrates through an inner skin, a hanging ring is arranged on the outer skin and used for being used for a hoisting process in the process of installing a guide pipe, the hanging ring is detachable after being hoisted, the metal ring and the stator are matched in a step mode, the metal ring and the stator are connected through bolts, larger load is transmitted, the ship body is light in weight and high in structural rigidity, and the ship propeller system can be integrally and repeatedly disassembled and assembled and used as the guide pipe.
Description
Technical Field
The invention relates to the technical field of ship propellers, in particular to an integrally detachable composite guide pipe.
Background
The guide pipe is a main component part of the guide pipe propeller and plays important roles in protecting propeller blades, sharing the load of the propeller and improving the efficiency of the propeller. At present, in order to further save energy and reduce emission, a large number of ships perform energy-saving transformation on a propulsion system in a mode of installing energy-saving pipes; the design stage of part of underwater vehicles requires the adoption of high-performance propellers; as the demand for marine noise control increases, the underwater radiation noise may also be reduced in the future by adding external ducts to the propeller. No matter the energy-saving duct is installed later or the duct propeller is adopted, a duct which has simple manufacturing process, reliable structural form and convenient disassembly and assembly is needed.
The composite material has the advantages of high specific strength and specific rigidity, designable material and the like, can realize the light weight of the structure after being applied, can obviously reduce the weight of the stern propulsion system, and has a plurality of composite material conduit design schemes. The composite material structure has the defects that when the composite material is directly adopted as a mounting surface, the reliability of repeated disassembly and assembly of the structure is low, the adjustment capability is lacking, and the original mounting precision cannot be recovered after secondary mounting. The uneven gap between the guide pipe and the propeller can generate larger pulsation pressure, which is unfavorable for underwater noise control.
The conduit profile scheme with large inlet and small outlet is the main stream of the current conduit design, but the diameter of the propeller is larger than the diameter of the outlet of the conduit, so that great difficulty is brought to the installation of the propeller. If the whole disassembly and assembly of the guide pipe and the propeller can be realized simultaneously, the stator, the propeller and the guide pipe are kept as a whole, great convenience is brought to the installation and maintenance of the whole guide pipe structure, the weight of the connecting structure can be reduced, and the structural strength is obviously improved.
Disclosure of Invention
The applicant provides an integrally detachable composite conduit aiming at the defects in the prior art, so that the integrally detachable composite conduit has the advantages of light weight, high structural rigidity, capability of being detached and assembled repeatedly integrally and the like, and can be used as a conduit of a ship propeller system.
The technical scheme adopted by the invention is as follows:
the utility model provides an integral dismouting formula composite conduit, the pipe is an integer, including metal ring, interior skin, outer skin, inside longitudinal rib plate and rings, the metal ring adopts bolt and gluey hybrid connection with inside longitudinal rib plate, metal ring and the inside longitudinal rib plate of pipe form the face contact, avoid the bolt department combined material to receive great shear load and extrusion load, the inside of pipe is provided with the interior skin, the pipe outside is provided with outer skin, the pipe water hole has been opened to the pipe outer skin department of the top of metal ring, the pipe is inside to be full of water when in water; the novel lifting device comprises a shell, and is characterized by further comprising a stator, wherein the outer circumferential surface of the stator is provided with a plurality of supporting arms, each supporting arm penetrates through an inner skin, a lifting ring is arranged on an outer skin and used for being used in a lifting process during pipe installation, the lifting ring is detachable after lifting, the metal ring is matched with the stator in a step mode, and the metal ring is connected with the stator through bolts to transfer larger load.
The further technical scheme is as follows:
the inner longitudinal rib plate is divided into a first inner longitudinal rib plate and a second inner longitudinal rib plate.
The first inner longitudinal rib plate has the structure that: the novel motor rotor comprises an upper wing plate and a lower wing plate, wherein a groove is formed in the bottom of the lower wing plate, a first metal ring contact surface is formed in the groove, a stator mounting surface is arranged beside the groove, and a first water permeable hole and a first stator connecting hole are formed in the other side of the groove.
The bottom of the inside longitudinal rib plate of No. two is provided with the recess, the recess forms No. two metal ring contact surfaces, one side of recess is provided with No. two holes of permeating water and No. two stator connecting holes.
The support arm head of the stator is provided with an arc-shaped platform, the inside of the arc-shaped platform is an arc-shaped platform inner surface, the outside of the arc-shaped platform is of an arc-shaped structure, the inner surface of the arc-shaped platform is provided with symmetrical counter bores, and the counter bores are connected with the metal ring in a matching manner; the molded line of the arc-shaped platform is consistent with the inner molded line of the catheter.
The main body section shape of the metal ring is L-shaped, a radial plane and an axial plane are arranged on the main body section shape, a stator installation threaded hole and a lifting ring threaded hole which are spaced are arranged on the radial plane, a plurality of metal platforms perpendicular to the axial plane are arranged on the outer side face of the axial plane, and inner longitudinal rib plate bolt connecting holes are formed in the metal platforms.
The maximum diameter of the catheter is greater than or equal to 1m.
The inner skin and the outer skin are integrated, and an integrated forming process of vacuum introduction or autoclave is adopted.
The inner skin, the outer skin and the inner longitudinal rib plates are all made of lightweight composite materials with high rigidity of carbon fibers.
The beneficial effects of the invention are as follows:
the invention has compact and reasonable structure and convenient operation, can conveniently complete the integral disassembly and assembly of the guide pipe through the mutual matching work among the parts such as the inner longitudinal rib plate, the metal ring, the stator, the inner skin, the outer skin and the like, has high structural rigidity, can repeatedly disassemble and assemble for many times, and has good working reliability.
The composite structure conduit scheme provided by the invention is suitable for large-size conduits with diameters of more than 1m, and the connection scheme of the conduits and the stator and the connection scheme of the interiors of the conduits are considered.
The invention adopts the steps to realize the installation and positioning, avoids the shearing load borne by the bolts, and can transfer larger load.
The invention has relatively light weight on the premise of realizing integral disassembly and assembly.
The conduit structure of the invention has the advantages of simple and reliable connection and realization of integral and repeated disassembly and assembly.
Drawings
FIG. 1 is a cross-sectional view of a composite structure conduit connection structure according to the present invention.
FIG. 2 is an overall exploded view of the composite structure catheter of the present invention.
Fig. 3 is a schematic view of the installation of the inner skin of the present invention.
Fig. 4 is a schematic structural view of the stator of the present invention.
FIG. 5 is a schematic structural view of a metal ring according to the present invention.
Fig. 6 is a schematic view of the structure of the first internal longitudinal rib of the present invention.
Fig. 7 is a schematic structural view of an inner longitudinal rib of the second embodiment of the present invention.
Wherein: 1. a stator; 2. an inner skin; 3. an outer skin; 4. a hanging ring; 5. a bolt; 6. a metal ring; 7. a first internal longitudinal rib; 8. a second internal longitudinal rib; 9. a nut fastener;
101. an arc-shaped platform; 102. countersink; 103. the inner surface of the arc-shaped platform;
201. an inner skin rectangular opening; 301. a conduit flow hole;
601. a radial plane; 602. an axial plane; 603. a stator mounting threaded hole; 604. a metal platform; 605. internal longitudinal rib bolt attachment holes; 606. a lifting ring threaded hole;
701. a first stator connecting hole; 702. a first metal ring contact surface; 703. a first water permeable hole; 704. a stator mounting surface; 705. a lower wing plate; 706. an upper wing plate;
801. a second stator connecting hole; 802. a second metal ring contact surface; 803. and a second water permeable hole.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings.
As shown in fig. 1-7, the integrated detachable composite conduit of the embodiment is an integrated body, and comprises a metal ring 6, an inner skin 2, an outer skin 3, an inner longitudinal rib plate and a hanging ring 4, wherein the metal ring 6 and the inner longitudinal rib plate are connected by adopting a bolt 5, a nut fastener 9 and glue in a mixed mode, the metal ring 6 and the inner longitudinal rib plate of the conduit form surface contact, the composite material at the bolt position is prevented from being subjected to larger shearing load and extrusion load, the inner skin 2 is arranged in the conduit, the outer skin 3 is arranged outside the conduit, a conduit water hole 301 is formed at the position of the outer skin 3 of the conduit above the metal ring 6, and the conduit is filled with water when in water; still include stator 1, stator 1's outer periphery is provided with a plurality of support arms, and every support arm passes interior covering 2, is located and installs rings 4 on the outer covering 3, and rings 4 are used for the hoist and mount process when pipe installation, and hoist and mount back is removable, and metal ring 6 and stator 1 adopt the step form cooperation, and metal ring 6 adopts bolted connection with stator 1, transmits great load.
The inner longitudinal rib is divided into a first inner longitudinal rib 7 and a second inner longitudinal rib 8.
The first internal longitudinal rib 7 has the structure that: the novel high-efficiency motor rotor comprises an upper wing plate 706 and a lower wing plate 705, wherein a groove is formed in the bottom of the lower wing plate 705, a first metal ring contact surface 702 is formed in the groove, a stator mounting surface 704 is arranged beside the groove, and a first water permeable hole 703 and a first stator connecting hole 701 are formed in the other side of the groove.
The bottom of the second inner longitudinal rib plate 8 is provided with a groove which forms a second metal ring contact surface 802, and a second water permeable hole 803 and a second stator connecting hole 801 are arranged beside the groove.
The head of the supporting arm of the stator 1 is provided with an arc-shaped platform 101, the inside of the arc-shaped platform 101 is an arc-shaped platform inner surface 103, the outside of the arc-shaped platform 101 is of an arc-shaped structure, the arc-shaped platform inner surface 103 is provided with symmetrical counter bores 102, and the counter bores 102 are connected with the metal ring 6 in a matching way; the profile of the arcuate platform 101 coincides with the inner profile of the catheter.
The main body section of the metal ring 6 is L-shaped, a radial plane 601 and an axial plane 602 are arranged on the main body section, a stator installation threaded hole 603 and a lifting ring threaded hole 606 which are spaced are arranged on the radial plane 601, a plurality of metal platforms 604 perpendicular to the axial plane 602 are arranged on the outer side surface of the axial plane 602, and an inner longitudinal rib plate bolt connecting hole 605 is formed in each metal platform 604.
The maximum diameter of the catheter is greater than or equal to 1m.
The inner skin 2 and the outer skin 3 are integrated, and an integrated forming process of vacuum introduction or autoclave is adopted.
The inner skin 2, the outer skin 3 and the inner longitudinal ribs are all made of a lightweight composite material with high stiffness of carbon fibers.
The outer shape of the inner longitudinal rib of the catheter is constrained by the line shape of the catheter; the wall thickness of the inner longitudinal rib is equal in thickness, and the wall thickness is not smaller than the smaller thickness value of the inner skin 2 and the outer skin 3; the inner longitudinal rib plates are in surface contact with the outer side, front side and rear side of the metal ring; the number of the inner longitudinal rib plates is N times of the number of the stator connecting ends, and N is a positive integer; the inner longitudinal rib plate is provided with a stator connecting hole, and the connecting end of the inner longitudinal rib plate and the stator 1 are connected by adopting at least 2 bolt-adhesive mixtures; and water permeable holes are reserved on the inner longitudinal rib plates.
Rectangular openings are made in the inner skin 2 according to the stator connection end position, the width of the arcuate platform 101 and the outer surface diameter.
The inner skin 2, the outer skin 3 and the inner longitudinal rib plates are alternately paved in a mode of [0 degree/90 degree/+/-45 degree ], and the total number of the paved layers is not less than 32 layers.
The metal ring and the stator are made of the same corrosion-resistant materials such as nickel aluminum bronze or titanium alloy.
After the stator and the guide pipe are installed, the gap between the guide pipe and the stator 1 is repaired by epoxy cement, the counter bore 102 on the stator 1 is filled, the internal molded line is ensured to be smooth and even, and the bolt is prevented from loosening.
The specific structure and functions of the invention are as follows:
the inner skin comprises an inner skin 2, an outer skin 3, a metal ring 6, a first inner longitudinal rib plate 7 and a second inner longitudinal rib plate 8.
The radial plane 601 and the axial plane 602 of the metal ring 6 are attached to the inner surface 103 of the arc-shaped platform of the stator 1, so that a large load can be transmitted.
The counter bore 102 is connected with a stator mounting threaded hole 603 on the metal ring 6 in the conduit through a bolt and a locking gasket 5; the fixed arcuate platform inner surface 103 will complement the inner skin rectangular opening 201 to form a complete conduit interior profile.
The hanging ring 4 can pass through the conduit water flowing hole 301 to be arranged on the hanging ring threaded hole 606 of the metal ring 6, a plurality of hanging rings 4 can be arranged, and the conduit whole and the stator 1 are removed after being arranged;
in fig. 6, the outer surfaces of the upper wing plate 706 and the lower wing plate 705 of the first inner longitudinal rib 7 are the same as the molded line of the inner wall of the conduit skin, and the inner longitudinal rib 7 of the conduit is respectively adhered and fixed with the conduit inner skin 2 and the outer skin 3 through the upper wing plate 706 and the lower wing plate 705; the first metal ring contact surface 702 of the longitudinal rib plate 7 inside the catheter is in surface contact with the metal ring 6 and is connected by adopting adhesive; the first stator connecting hole 701 of the longitudinal rib plate 7 in the catheter is connected with the metal platform 604 of the metal ring 6 by adopting a bolt and glue; a gap exists between the stator mounting surface 704 and the stator arc platform 101;
in fig. 7, the second inner longitudinal rib plate 8 is directly connected with the inner skin 2 and the outer skin 3, and the same inner longitudinal rib plate 7 is connected;
the inner skin 2, the outer skin 3 and the inner longitudinal rib plates are alternately paved in a mode of [0 degree/90 degree/+/-45 degree ];
the inner skin 2, the outer skin 3 and the inner longitudinal rib plates are made of carbon fiber or other fiber materials with higher modulus;
all adhesive connections need to be made with structural adhesives resistant to marine environments.
In the actual installation process:
firstly, manufacturing a catheter in a factory, and checking roundness of the inner skin 2 of the catheter and coaxiality of the inner skin 2 and the metal ring 6;
then, the stator 1 and the guide pipe are installed and adapted, so that the stator 1 and the guide pipe can be installed in place, and the relative position mark of the stator 1 and the guide pipe is made; after the stator 1 and the propeller are respectively installed on the ship, the guide pipe is suspended through the hanging ring 4, the guide pipe is adjusted, the horizontal posture is kept, the guide pipe horizontally moves to the stator 1, and the arc-shaped platform 101 and the metal ring 6 of the stator 1 are installed according to the position mark and are fixed through bolts;
after the stator 1 and the guide pipe are installed, the hanging ring 4 is disassembled;
and the gap between the guide pipe and the stator 1 is repaired by epoxy cement, so that the counter bore 102 on the stator 1 is filled, the internal molded line is ensured to be smooth, and the bolt is prevented from loosening.
The actual disassembly process is the reverse of the installation process described above.
The integral type installation and disassembly are convenient, the working efficiency is high, and the integral type installation and disassembly can be used as a conduit of a ship propeller system.
The above description is intended to illustrate the invention and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the invention.
Claims (7)
1. An integral detachable composite catheter, which is characterized in that: the conduit is an integral body and comprises a metal ring (6), an inner skin (2), an outer skin (3), an inner longitudinal rib plate and a hanging ring (4), wherein the metal ring (6) and the inner longitudinal rib plate are connected by adopting a bolt and an adhesive in a mixed mode, the metal ring (6) is in surface contact with the inner longitudinal rib plate of the conduit, the situation that a composite material at the bolt is subjected to a large shearing load and a large extrusion load is avoided, the inner skin (2) is arranged in the conduit, the outer skin (3) is arranged outside the conduit, a conduit water hole (301) is formed in the conduit outer skin (3) above the metal ring (6), and the conduit is filled with water in water; the novel lifting device is characterized by further comprising a stator (1), wherein a plurality of supporting arms are arranged on the outer circumferential surface of the stator (1), each supporting arm penetrates through the inner skin (2), a lifting ring (4) is arranged on the outer skin (3), the lifting ring (4) is used for a lifting process in the process of pipe installation, the lifting ring is detachable after lifting, the metal ring (6) is matched with the stator (1) in a step mode, and the metal ring (6) is connected with the stator (1) through bolts to transfer larger load; the support arm head of the stator (1) is provided with an arc-shaped platform (101), the inside of the arc-shaped platform (101) is an arc-shaped platform inner surface (103), the outside of the arc-shaped platform (101) is of an arc-shaped structure, the arc-shaped platform inner surface (103) is provided with symmetrical counter bores (102), and the counter bores (102) are connected with the metal ring (6) in a matching manner; the molded line of the arc-shaped platform (101) is consistent with the inner molded line of the catheter; the support arm head of the stator (1) is provided with an arc-shaped platform (101), the inside of the arc-shaped platform (101) is an arc-shaped platform inner surface (103), the outside of the arc-shaped platform (101) is of an arc-shaped structure, the arc-shaped platform inner surface (103) is provided with symmetrical counter bores (102), and the counter bores (102) are connected with the metal ring (6) in a matching manner; the profile of the arcuate platform (101) is coincident with the inner profile of the conduit.
2. An integrally removable composite catheter as claimed in claim 1, wherein: the inner longitudinal rib plate is divided into a first inner longitudinal rib plate (7) and a second inner longitudinal rib plate (8).
3. An integrally removable composite pipe as claimed in claim 2, wherein: the first inner longitudinal rib plate (7) has the structure that: the novel motor rotor comprises an upper wing plate (706) and a lower wing plate (705), wherein a groove is formed in the bottom of the lower wing plate (705), a first metal ring contact surface (702) is formed in the groove, a stator mounting surface (704) is arranged beside the groove, and a first water permeable hole (703) and a first stator connecting hole (701) are formed in the other side of the groove.
4. An integrally removable composite pipe as claimed in claim 2, wherein: the bottom of No. two inside longitudinal rib plates (8) is provided with the recess, the recess forms No. two metal ring contact surface (802), one side of recess is provided with No. two holes (803) that permeate water and No. two stator connecting holes (801).
5. An integrally removable composite catheter as claimed in claim 1, wherein: the maximum diameter of the catheter is greater than or equal to 1m.
6. An integrally removable composite catheter as claimed in claim 1, wherein: the inner skin (2) and the outer skin (3) are integrated, and an integrated forming process of vacuum introduction or an autoclave is adopted.
7. An integrally removable composite catheter as claimed in claim 1, wherein: the inner skin (2), the outer skin (3) and the inner longitudinal rib plates are made of lightweight composite materials with high rigidity of carbon fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211070276.8A CN115230927B (en) | 2022-09-02 | 2022-09-02 | Integral detachable composite catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211070276.8A CN115230927B (en) | 2022-09-02 | 2022-09-02 | Integral detachable composite catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115230927A CN115230927A (en) | 2022-10-25 |
| CN115230927B true CN115230927B (en) | 2023-05-26 |
Family
ID=83682199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211070276.8A Active CN115230927B (en) | 2022-09-02 | 2022-09-02 | Integral detachable composite catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115230927B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234669B (en) * | 2008-03-03 | 2010-11-10 | 哈尔滨工程大学 | Torque balance integration type underwater propulsion device |
| CN211618047U (en) * | 2020-06-08 | 2020-10-02 | 三亚氚海科技有限责任公司 | Underwater propeller |
| CN111645838B (en) * | 2020-06-15 | 2021-04-06 | 中国船舶科学研究中心 | Pipe oar supports subregion guiding device that prerevolves |
| CN112407214A (en) * | 2020-11-23 | 2021-02-26 | 上海斯玛德大推船用螺旋桨设计有限公司 | Deep sea propeller composite material conduit |
| CN114940253B (en) * | 2022-05-26 | 2023-06-09 | 中国船舶科学研究中心 | Lightweight composite structure catheter and manufacturing method thereof |
-
2022
- 2022-09-02 CN CN202211070276.8A patent/CN115230927B/en active Active
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| Publication number | Publication date |
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| CN115230927A (en) | 2022-10-25 |
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