CN114987684B - Saddle structure for dual-fuel ship LNG liquid tank - Google Patents
Saddle structure for dual-fuel ship LNG liquid tank Download PDFInfo
- Publication number
- CN114987684B CN114987684B CN202210767600.5A CN202210767600A CN114987684B CN 114987684 B CN114987684 B CN 114987684B CN 202210767600 A CN202210767600 A CN 202210767600A CN 114987684 B CN114987684 B CN 114987684B
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- Prior art keywords
- saddle
- moving block
- plate
- lng
- main body
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Links
- 239000000446 fuel Substances 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 230000009977 dual effect Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 abstract description 22
- 239000003381 stabilizer Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003949 liquefied natural gas Substances 0.000 description 47
- 238000000034 method Methods 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0027—Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a saddle structure for an LNG liquid tank of a dual-fuel ship, which relates to the technical field of ships and comprises a saddle main body, wherein a base is arranged below the saddle main body, concave parts are formed in two sides of the saddle main body, a supporting plate is arranged above the saddle main body, a supporting mechanism is arranged between the supporting plate and the saddle main body, a base plate is arranged on the upper surface of the supporting plate, and an LNG liquid tank body is arranged above the base plate. The saddle structure for the dual-fuel ship LNG liquid tank is provided with the backing plate and the supporting plate, the longitudinal section of the supporting plate is of a concave structure, the contact area between the supporting plate and the backing plate can be increased, and the stability of fixation between the supporting plate and the backing plate is enhanced; be provided with rack, incomplete gear, connecting plate and stabilizer plate, when the saddle main part provides stable support for LNG fluid reservoir body, two stabilizer plates can also play spacing and stable effect to the outside of LNG fluid reservoir body.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a saddle structure for a dual-fuel ship LNG liquid tank.
Background
The LNG (liquefied natural gas) tank for the ship is a professional product for storing liquefied natural gas, and is manufactured by the processes of flaw detection, water pressure and air pressure test, field inspection by technical supervision bureau, pressure vessel inspection certificate issuing, external rust removal, paint spraying and the like. The liquefied gas storage tank has strict quality identification on the material quality, the appearance size, the weld quality, the operation quality, the installation quality, the internal device and the safety accessories of the pressed element. LNG tanks are typically structurally supported by a saddle positioned therebelow.
After the LNG fluid reservoir is hung on the saddle, the saddle only can provide supporting force for the LNG fluid reservoir, but can not further improve the stability that the LNG fluid reservoir was placed, is unfavorable for carrying out final fixed operation to the LNG fluid reservoir.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a saddle structure for a dual-fuel ship LNG liquid tank.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a dual fuel boats and ships LNG saddle structure for fluid reservoir, includes saddle main part, saddle main part's below is provided with the base, just the indent has all been seted up to saddle main part's both sides, saddle main part's top is provided with the backup pad, the backup pad with be provided with supporting mechanism between the saddle main part, just the last surface mounting of backup pad has the backing plate, the top of backing plate is provided with LNG fluid reservoir body.
Preferably, the inside of saddle main part is close to both ends position department and has all offered first holding tank, the inside rotation of first holding tank is connected with incomplete gear, one side meshing of incomplete gear is connected with the rack, just one side of incomplete gear is connected with the connecting plate, the rack with backup pad fixed connection, just the lower extreme of rack is fixed with first limiting plate, the below of first limiting plate is connected with first spring, the one end of connecting plate is connected with the stabilizer bar, one side of stabilizer bar is provided with the slipmat.
Preferably, the second accommodation groove, the first limit groove, the third accommodation groove and the empty groove are respectively arranged at the positions of the inner part of the saddle main body corresponding to the rack, the first limit plate, the first spring and the connecting plate, and the edge of the first limit plate is attached to the inner wall of the first limit groove.
Preferably, the support mechanism comprises a first moving block, the upper end of the first moving block is fixedly connected with the lower surface of the support plate, the lower end of the first moving block is connected with a second spring, one end of the first moving block is provided with a second moving block, and one end of the second moving block is provided with a third moving block.
Preferably, a first chute is formed in the saddle body at a position corresponding to the first moving block and the second spring, and a second chute and a third chute are formed in the saddle body at a position corresponding to the second moving block and the third moving block.
Preferably, a toggle plate is arranged in the concave part, and the toggle plate is radially distributed.
Preferably, the longitudinal section of the supporting plate is in a concave structure.
Preferably, the upper surface of the backing plate is provided with an anti-skid groove, and the anti-skid groove is of a rectangular structure.
Preferably, the two sides of the second moving block are both fixed with second limiting plates, a second limiting groove is formed in the saddle body at the position corresponding to the second limiting plates, and a third spring is connected between the second limiting plates and the second limiting grooves.
Preferably, one end of the first moving block is provided with a first inclined surface part, one end of the third moving block is provided with a second inclined surface part, and the longitudinal section of the second moving block is of a trapezoid structure.
Compared with the prior art, the invention has the beneficial effects that:
1. the saddle structure for the LNG liquid tank of the dual-fuel ship is provided with the backing plate and the supporting plate, the longitudinal section of the supporting plate is of a concave structure, the contact area between the supporting plate and the backing plate can be increased, the stability of fixation between the supporting plate and the backing plate is enhanced, and the backing plate is made of wood, so that the backing plate can adapt to expansion and contraction of the LNG liquid tank body, and meanwhile, the saddle structure has a certain heat insulation effect;
2. this saddle structure for dual fuel boats and ships LNG fluid reservoir is provided with rack, incomplete gear, connecting plate and stabilizer plate, use hoist and mount machinery to hoist the LNG fluid reservoir body in the top of backing plate, backing plate and backup pad pressurized can gradually move downwards, through the meshing transmission of rack and incomplete gear, make connecting plate and stabilizer plate take place to rotate, until one side of stabilizer plate and the surface butt of LNG fluid reservoir body, when the saddle main part provides stable support for the LNG fluid reservoir body, two stabilizer plates can also play spacing and stable effect to the outside of LNG fluid reservoir body, realize comparatively stable preliminary fixed to the LNG fluid reservoir body, the convenience is followed and is finally fixed to the LNG fluid reservoir body;
3. this saddle structure for dual fuel boats and ships LNG fluid reservoir is provided with first movable block, second movable block and third movable block, at the in-process of backup pad downwardly moving, because the cooperation effect between first movable block, second movable block and the third movable block, can make the third movable block upwards move gradually to provide holding power to the below of backup pad, and, the downwardly moving of first movable block leads to the fact the compression to the second spring, and the second spring still can produce the reaction force to the backup pad, makes first movable block provide the support to the backup pad, can improve the structural stability of backup pad.
Drawings
Fig. 1 is a schematic diagram of the position relation structure of an LNG tank and a saddle body in the saddle structure for a dual-fuel ship LNG tank;
fig. 2 is a schematic structural view of a mounting main body, a support plate and a backing plate in the saddle structure for the dual-fuel ship LNG tank;
fig. 3 is a schematic diagram of a top-down longitudinal section structure of a saddle body, a support plate and a backing plate in the saddle structure for the dual-fuel ship LNG liquid tank;
fig. 4 is a schematic diagram of a front view longitudinal section structure of a saddle body, a support plate and a backing plate in the saddle structure for the dual-fuel ship LNG liquid tank;
FIG. 5 is a schematic top cross-sectional view of the saddle in the saddle structure for a dual-fuel ship LNG tank according to the present invention;
fig. 6 is an enlarged schematic view of the saddle structure diagram at a in fig. 5 for the LNG tank of the dual-fuel ship according to the present invention.
In the figure: 1. a saddle body; 2. a base; 3. an inner concave portion; 4. a toggle plate; 5. a first accommodation groove; 6. an incomplete gear; 7. a rack; 8. a first limiting plate; 9. a first spring; 10. a second accommodation groove; 11. a first limit groove; 12. a third accommodation groove; 13. a connecting plate; 14. a stabilizing plate; 15. a hollow groove; 16. an anti-slip pad; 17. a support plate; 18. a backing plate; 19. an anti-skid groove; 20. a first chute; 21. a first moving block; 22. a second spring; 23. a second moving block; 24. a second chute; 25. a third moving block; 26. a third chute; 27. a second limiting plate; 28. the second limit groove; 29. a third spring; 30. LNG fluid reservoir body.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-2, saddle structure for dual fuel boats and ships LNG fluid reservoir, including saddle main part 1, saddle main part 1's below is provided with base 2, and recess 3 has all been seted up to saddle main part 1's both sides, the inside of recess 3 is provided with toggle plate 4, toggle plate 4 is radial distribution, the mechanical strength of saddle main part 1 can be greatly strengthened in the setting of toggle plate 4, thereby make saddle main part 1 can provide more stable support for LNG fluid reservoir body 30, saddle main part 1's top is provided with backup pad 17, be provided with supporting mechanism between backup pad 17 and saddle main part 1, and the upper surface mounting of backup pad 17 has backing plate 18, the longitudinal section of backup pad 17 is "concave" style of calligraphy structure, the structure of backup pad 17, can increase the area of contact between backup pad 17 and the backing plate 18, make backup pad 17 and backing plate 18 can fully contact, the firm nature of reinforcing fixing, backing plate 18's top is provided with LNG fluid reservoir body 30, backing plate 18 adopts the timber material, the purpose lies in, make expansion of fluid reservoir body 30, simultaneously have certain thermal insulation effect again, anti-slip groove 19 is rectangular structure, the upper surface of backup pad 19 has the anti-slip groove 19, can be reduced between the anti-slip groove 30 of LNG fluid reservoir body, can appear.
Referring to fig. 3-4, the first receiving groove 5 is opened in the saddle body 1 near the two ends, the incomplete gear 6 is connected in the first receiving groove 5, the rotation shaft is connected in the middle of the incomplete gear 6, the rotation shaft is connected with the first receiving groove 5 in a rotation way through the bearing, one side of the incomplete gear 6 is connected with the rack 7 in a meshed way, one side of the incomplete gear 6 is connected with the connecting plate 13, the rack 7 is fixedly connected with the supporting plate 17, the first limiting plate 8 is fixed at the lower end of the rack 7, the first spring 9 is connected under the first limiting plate 8, the second receiving groove 10, the first limiting groove 11, the third receiving groove 12 and the empty groove 15 are respectively arranged in the saddle body 1 at the positions corresponding to the rack 7, the first limiting plate 8, the first spring 9 and the connecting plate 13, the edge of the first limiting plate 8 is attached to the inner wall of the first limiting groove 11, when the supporting plate 17 moves downwards, the first limiting plate 8 slides downwards in the first limiting groove 11 to limit the rack 7, the rack 7 is prevented from inclining, one end of the connecting plate 13 is connected with the stabilizing plate 14, when the supporting plate 17 moves downwards, under the meshing transmission of the rack 7 and the incomplete gear 6, the connecting plate 13 and the stabilizing plate 14 rotate in the same direction along with the rotation of the incomplete gear 6 until one side of the stabilizing plate 14 is abutted against the surface of the LNG liquid tank body 30, when the saddle main body 1 provides stable support for the LNG liquid tank body 30, the two stabilizing plates 14 can also limit and stabilize the outside of the LNG liquid tank body 30, the inner side of the stabilizing plate 14 can fix the anti-skid pad 16 or set anti-skid grains to play a certain anti-skid role, and the stabilizing plate 14 is in an arc structure, enabling the stabilizing plate 14 to better conform to the LNG tank body 30.
Referring to fig. 4 to 6, the support mechanism includes a first moving block 21, an upper end of the first moving block 21 is fixedly connected with a lower surface of the support plate 17, and a second spring 22 is connected to a lower end of the first moving block 21, one end of the first moving block 21 is provided with a second moving block 23, one end of the second moving block 23 is provided with a third moving block 25, a first sliding groove 20 is formed in a position of the saddle body 1 corresponding to the first moving block 21 and the second spring 22, and a second sliding groove 24 and a third sliding groove 26 are formed in a position of the saddle body 1 corresponding to the second moving block 23 and the third moving block 25, respectively, one end of the first moving block 21 is provided with a first inclined surface portion, one end of the third moving block 25 is provided with a second inclined surface portion, a longitudinal section of the second moving block 23 is in a trapezoid structure, in a downward moving process of the support plate 17, the first inclined surface part at one end of the first moving block 21, the second moving block 23 and the second inclined surface part at the lower end of the third moving block 25 are in fit sliding, so that the third moving block 25 can gradually move upwards, a supporting force is provided for the lower part of the supporting plate 17, the second spring 22 compresses the second spring 22, the second spring 22 generates a reaction force for the supporting plate 17, the first moving block 21 provides support for the supporting plate 17, the structural stability of the supporting plate 17 can be improved, the second limiting plates 27 are fixed on two sides of the second moving block 23, the second limiting grooves 28 are formed in the position, corresponding to the second limiting plates 27, of the saddle body 1, the third springs 29 are connected between the second limiting plates 27 and the second limiting grooves 28, the second limiting plates 27 synchronously move along with the second moving block 23 in the direction of the second moving block 23 approaching to the adjacent one rack 7, causing the third spring 29 to compress.
According to the LNG tank body 30 is hoisted above the base plate 18 by using hoisting machinery, the base plate 18 and the support plate 17 are pressed and gradually move downwards, when the support plate 17 moves downwards, the first limiting plate 8 slides downwards in the first limiting groove 11 to limit the rack 7, the inclination of the rack 7 is avoided, in the downward movement process of the rack 7 and the first limiting plate 8, the first spring 9 is compressed, along with the downward movement of the rack 7, the two incomplete gears 6 rotate towards the direction deviating from the rack 7, the connecting plate 13 and the stabilizing plate 14 rotate along with the rotation of the incomplete gears 6 in the same direction until one side of the stabilizing plate 14 is abutted against the surface of the LNG tank body 30, the saddle body 1 provides stable support for the LNG tank body 30, meanwhile, the two stabilizing plates 14 can also limit and stabilize the outer part of the LNG tank body 30, the anti-skid grooves 19 on the surface of the base plate 18 are formed, friction between the tank body 30 and the base plate 18 can be increased, the possibility of sliding of the tank body 30 is reduced, the LNG tank body 30 is fixed, and LNG tank 30 is fixed after the LNG tank body is fixed, and LNG tank 30 is fixed relatively conveniently and finally;
in addition, in the process of downward movement of the support plate 17 and the backing plate 18, the first moving block 21 and the support plate 17 keep moving synchronously, the second spring 22 is compressed and contracted, the second spring 22 also generates a reaction force to the support plate 17, so that the first moving block 21 provides support for the support plate 17, along with downward movement of the first moving block 21, one end of the second moving block 23 slides against the first inclined surface portion at one end of the first moving block 21, and the second moving block 23 moves in a direction approaching to the adjacent one of the racks 7 (in the process, the second limiting plate 27 moves synchronously along with the second moving block 23, so that the third spring 29 is compressed), and at the same time, the second inclined surface portion at the lower end of the third moving block 25 slides against one end of the second moving block 23, so that the third moving block 25 gradually moves upward until the upper end of the third moving block 25 abuts against the lower surface of the support plate 17, stable support force can also be provided against the lower side of the support plate 17, and the structural strength of the support plate 17 is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The saddle structure for the LNG liquid tank of the dual-fuel ship comprises a saddle main body (1), and is characterized in that a base (2) is arranged below the saddle main body (1), concave parts (3) are formed in two sides of the saddle main body (1), a supporting plate (17) is arranged above the saddle main body (1), a supporting mechanism is arranged between the supporting plate (17) and the saddle main body (1), a backing plate (18) is arranged on the upper surface of the supporting plate (17), and an LNG liquid tank body (30) is arranged above the backing plate (18);
the saddle is characterized in that first accommodating grooves (5) are formed in the saddle body (1) at positions close to two ends, incomplete gears (6) are connected in the first accommodating grooves (5) in a rotating mode, racks (7) are connected to one sides of the incomplete gears (6) in a meshed mode, connecting plates (13) are connected to one sides of the incomplete gears (6), the racks (7) are fixedly connected with the supporting plates (17), first limiting plates (8) are fixed to the lower ends of the racks (7), first springs (9) are connected to the lower portions of the first limiting plates (8), stabilizing plates (14) are connected to one ends of the connecting plates (13), and anti-slip pads (16) are arranged on one sides of the stabilizing plates (14);
the saddle comprises a saddle body (1), a first limiting plate (8) and a second limiting plate (10) which are arranged at the positions, corresponding to the racks (7), of the saddle body (1), a third containing groove (12) is arranged at the positions, corresponding to the first springs (9), of the saddle body (1), an empty groove (15) is arranged at the positions, corresponding to the connecting plates (13), of the saddle body (1), and the edges of the first limiting plate (8) are attached to the inner wall of the first limiting groove (11);
the supporting mechanism comprises a first moving block (21), the upper end of the first moving block (21) is fixedly connected with the lower surface of the supporting plate (17), the lower end of the first moving block (21) is connected with a second spring (22), one end of the first moving block (21) is provided with a second moving block (23), and one end of the second moving block (23) is provided with a third moving block (25);
a first chute (20) is formed in the saddle body (1) at a position corresponding to the first moving block (21) and the second spring (22), and a second chute (24) and a third chute (26) are formed in the saddle body (1) at a position corresponding to the second moving block (23) and the third moving block (25), respectively;
one end of the first moving block (21) is provided with a first inclined surface part, one end of the third moving block (25) is provided with a second inclined surface part, and the longitudinal section of the second moving block (23) is of a trapezoid structure.
2. Saddle structure for dual fuel ship LNG tank according to claim 1, characterized in that the inside of the concave portion (3) is provided with toggle plates (4), the toggle plates (4) being radially distributed.
3. Saddle structure for dual fuel ship LNG tanks according to claim 1, characterized in that the longitudinal section of the support plate (17) is of "concave" type structure.
4. Saddle structure for dual fuel ship LNG tank according to claim 1, characterized in that the upper surface of the backing plate (18) is provided with anti-skid grooves (19), the anti-skid grooves (19) being rectangular in structure.
5. Saddle structure for dual fuel ship LNG tank according to claim 1, characterized in that both sides of the second moving block (23) are fixed with a second limiting plate (27), a second limiting groove (28) is provided in the saddle body (1) at a position corresponding to the second limiting plate (27), and a third spring (29) is connected between the second limiting plate (27) and the second limiting groove (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210767600.5A CN114987684B (en) | 2022-07-01 | 2022-07-01 | Saddle structure for dual-fuel ship LNG liquid tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210767600.5A CN114987684B (en) | 2022-07-01 | 2022-07-01 | Saddle structure for dual-fuel ship LNG liquid tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114987684A CN114987684A (en) | 2022-09-02 |
| CN114987684B true CN114987684B (en) | 2023-12-05 |
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ID=83020102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210767600.5A Active CN114987684B (en) | 2022-07-01 | 2022-07-01 | Saddle structure for dual-fuel ship LNG liquid tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114987684B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115959260A (en) * | 2022-12-15 | 2023-04-14 | 招商局金陵鼎衡船舶(扬州)有限公司 | Full-pressure type LPG transport ship cargo tank integrity hoisting construction process |
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| CN214650810U (en) * | 2020-12-31 | 2021-11-09 | 连云港明锦复合材料有限公司 | Glass steel storage tank convenient to assembly |
| CN112896419A (en) * | 2021-01-20 | 2021-06-04 | 江苏扬子鑫福造船有限公司 | C-shaped tank base connecting device suitable for double-fuel ship |
| CN216508911U (en) * | 2021-12-09 | 2022-05-13 | 南通润吉尼海洋装备有限公司 | Bracket is used in boats and ships hoist and mount with locking function |
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| Publication number | Publication date |
|---|---|
| CN114987684A (en) | 2022-09-02 |
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