CN211731726U - Power generation rotor base for large-scale LNG marine generator - Google Patents
Power generation rotor base for large-scale LNG marine generator Download PDFInfo
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- CN211731726U CN211731726U CN201921890364.6U CN201921890364U CN211731726U CN 211731726 U CN211731726 U CN 211731726U CN 201921890364 U CN201921890364 U CN 201921890364U CN 211731726 U CN211731726 U CN 211731726U
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Abstract
The utility model relates to a large-scale LNG marine generator uses electricity generation rotor base, its structure includes electricity generation rotor base panel, electricity generation rotor base web, electricity generation rotor base keep apart from bracket, electricity generation rotor base panel fixes in electricity generation rotor base web upper end, electricity generation rotor base keep apart from bracket between the electricity generation rotor base web of both sides fixed connection electricity generation rotor base; and a power generation rotor base anti-tilting toggle plate is further arranged on one side of the power generation rotor base web plate, and a power generation rotor base panel is fixed at the upper end of the power generation rotor base anti-tilting toggle plate. Through the utility model discloses a power generation rotor base can build alone and impel the installation of LNG ship generator with the cooperation dual-fuel electric power, prevents inclining bracket, power generation rotor base panel, power generation rotor base web and power generation rotor base and keep apart from the cooperation of bracket through power generation rotor base for power generation rotor base stable in structure, intensity satisfies the installation demand, and through the setting that leads to the welding hole, ponding can be got rid of in follow-up use, can also guarantee welded continuity.
Description
Technical Field
The utility model relates to a large-scale double fuel electric propulsion LNG ship builds technical field, concretely relates to large-scale LNG marine generator is with electricity generation rotor base.
Background
Since the birth of LNG ships, a combination of a boiler and a steam turbine has long been used as a power system for LNG ships. This is a reasonable system, but the inefficiencies, bulkiness, lack of maintenance engineers and crew, few manufacturing plants, limited capacity, etc. of boilers and turbines are increasingly prominent. Since this century, the rapid development of the global trade in LNG has made it common wisdom to find a more efficient, compact, and more accessible host than a turbine with dual fuel combustion capabilities. The propulsion modes of the current LNG ship mainly include: conventional turbine propulsion systems, high efficiency turbine propulsion systems, DFDE dual fuel electric propulsion systems, and the like. The project of adopting the DFDE dual-fuel electric propulsion system in the newly designed LNG ship order accounts for about 70 percent, so that the structural design of the main generator base of the large-scale dual-fuel electric propulsion LNG ship is deeply researched, the installation process is simple in addition to the requirement of equipment, and meanwhile, the structural lightweight design requirement is considered.
Disclosure of Invention
Aiming at the installation condition of a large-scale double-fuel electric propulsion LNG ship generator, the invention provides a power generation rotor base for the large-scale LNG ship generator, which greatly simplifies the field installation process, simultaneously considers the structural arrangement of the reverse side of a deck and realizes the light weight of the structure of the generator base, and the technical purpose of the invention is realized by the following technical scheme:
the utility model provides a large-scale marine generator of LNG is with electricity generation rotor base, its structure includes electricity generation rotor base panel, electricity generation rotor base web, electricity generation rotor base keep apart from bracket, and electricity generation rotor base panel is fixed in electricity generation rotor base web upper end, and fixed connection electricity generation rotor base keeps apart from the bracket between the electricity generation rotor base web of both sides.
Furthermore, a power generation rotor base anti-tilting toggle plate is further arranged on one side of a power generation rotor base web plate, and a power generation rotor base panel is fixed at the upper end of the power generation rotor base anti-tilting toggle plate.
Furthermore, the structure of the power generation rotor base connection sealing plate comprises a power generation rotor base connection sealing plate, the power generation rotor base connection sealing plate is connected and fixed at one end of the web plates of the two power generation rotor bases, and the panel of the power generation rotor base is fixed at the upper end of the power generation rotor base connection sealing plate.
Furthermore, a through welding hole is formed in the lower end of the anti-tilting toggle plate of the power generation rotor base at the joint of the anti-tilting toggle plate of the power generation rotor base and the web plate of the power generation rotor base.
Furthermore, a through welding hole is formed in the bottom of the power generation rotor base distance-keeping toggle plate at the joint of the power generation rotor base distance-keeping toggle plate and the power generation rotor base web.
The beneficial effects of the utility model reside in that, through the utility model discloses a power generation rotor base can be built alone and install with the cooperation double fuel electric propulsion LNG ship generator, prevents inclining bracket, power generation rotor base panel, power generation rotor base web and power generation rotor base guarantor's cooperation apart from the bracket through power generation rotor base for power generation rotor base stable in structure, intensity satisfies the installation demand, and through the setting of logical welding hole, ponding can be got rid of in follow-up use, can also guarantee welded continuity.
Drawings
Fig. 1 is a schematic structural view of a power generation rotor base according to the present invention.
Fig. 2 is a schematic view of a LNG ship generator base.
Fig. 3 is the utility model discloses a power generation rotor pedestal connection shrouding installation sketch map.
Fig. 4 is an enlarged view of a structure in fig. 2.
In the figure, 1, a prime mover base web; 2. a prime mover base panel; 3. a prime mover base distance-keeping toggle plate; 4. a box-type structural supporting plate; 5. a prime mover base anti-tilt toggle plate; 6. welding a fabrication hole; 7. a welding hole is formed; 8. a transverse supporting plate; 9. a power generating rotor base web; 10. a power generating rotor base panel; 11. an anti-tilting toggle plate of a power generation rotor base; 12. connecting a toggle plate; 13. the prime motor base is connected with the sealing plate; 14. the power generation rotor base is connected with the sealing plate; 15. the power generation rotor base keeps apart the bracket.
Detailed Description
The technical solution of the present invention is further described below with reference to the following embodiments:
as shown in fig. 1 to 4, a power generation rotor base for a large-scale LNG ship power generator belongs to a large-scale LNG ship power generator base assembly component. The generator base for the large LNG ship comprises a prime motor base and a power generation rotor base, the prime motor base is of a box-type structure and comprises a prime motor base box body and prime motor base distance-keeping toggle plates 3, the prime motor base distance-keeping toggle plates 3 are connected and fixed between the prime motor base box bodies on two sides, through welding holes 7 are formed in the bottom of the prime motor base distance-keeping toggle plate 3 at the joint of the prime motor base distance-keeping toggle plate 3 and the prime motor base box body, a prime motor base anti-tilting toggle plate 5 is arranged on the outer side wall of the prime motor base box body, one side of the prime motor base anti-tilting toggle plate 5 is fixed on the outer side wall of the prime motor base box body, and through welding holes 7 are formed in the bottom of the prime motor base anti-tilting toggle plate; a box-type structural supporting plate 4 is arranged at one end, far away from the connecting toggle plate 12, of the box body of the prime motor base, the box-type structural supporting plate consists of a transverse steel plate 16 and two right-angled triangular steel plates 17, the two right-angled triangular steel plates 17 are fixed on one side of the transverse steel plate 16, a through welding hole 7 is also formed in the bottom of the connecting and fixing position of the triangular steel plates 17 and the transverse steel plate 16, and the through welding hole 7 is positioned at the bottom of the transverse steel plate 16; one end of each of the two prime motor base box bodies is provided with a box-type structural supporting plate 4; the prime motor base box body comprises a prime motor base panel 2, prime motor base webs 1 and transverse supporting plates 8, the two prime motor base webs 1 are arranged in parallel, welding process holes 6 are formed in the prime motor base webs 1, the plurality of transverse supporting plates 8 are arranged between the two prime motor base webs 1 in parallel, the prime motor base panel 2 is fixed at the upper ends of the prime motor base webs 1 and the transverse supporting plates 8, and two ends of each transverse supporting plate 8 are respectively connected and fixed on the prime motor base webs 1 on two sides; the bottom of the transverse bracing plate 8 at the joint of the transverse bracing plate 8 and the base web plate 1 of the prime mover is provided with a through welding hole 7.
Considering that the longitudinal load is large, in order to ensure the longitudinal welding strength, the base web plate 1 of the prime mover adopts a welding form of single-side deep fusion welding, the bevel angle is 50 degrees, and the bevel depth is 1/3 of the plate thickness; inside the box structure, owing to the space restriction should not be under construction, adopt 8 mm's fillet weld.
The power generation rotor base comprises a power generation rotor base panel 10, a power generation rotor base web 9 and a power generation rotor base anti-tilt toggle plate 11, the power generation rotor base anti-tilt toggle plate 11 is fixedly connected to one side of the power generation rotor base web 9, a through welding hole 7 is formed in the bottom of the power generation rotor base anti-tilt toggle plate 11 at the joint of the power generation rotor base anti-tilt toggle plate 11 and the power generation rotor base web 9, and the power generation rotor base panel 10 is fixed to the upper ends of the power generation rotor base web 9 and the power generation rotor base anti-tilt toggle plate 11; and a power generation rotor base distance-keeping bracket 15 is fixedly connected between the power generation rotor base web plates 9 at two sides, and a through welding hole 7 is formed in the bottom of the power generation rotor base distance-keeping bracket 15 at the joint of the power generation rotor base distance-keeping bracket 15 and the power generation rotor base web plates 9. The power generation rotor base web 9 is of a sheet structure, and can be reached from two sides, so that welding process holes do not need to be arranged.
A prime motor base connecting sealing plate 13 is arranged at one end of the prime motor base connected with the connecting toggle plate 12, and a through welding hole 7 is arranged at the bottom of the connecting toggle plate 12 at the joint of the connecting toggle plate 12 and the prime motor base connecting sealing plate 13; a power generation rotor base connecting seal plate 14 is arranged at one end, connected with a connecting toggle plate 12, of a power generation rotor base, a power generation rotor base panel 10 is fixed at the upper end of the power generation rotor base connecting seal plate 14, and a through welding hole 7 is also formed in the bottom end, connected with the toggle plate 12 and the power generation rotor base connecting seal plate 14, of the connecting toggle plate 12; one end of the connecting toggle plate 12 is connected to and fixed to a prime mover base connecting cover plate 13, and the other end is connected to and fixed to a power generation rotor base connecting cover plate 14.
The present embodiment is only for further explanation of the present invention, and is not a limitation of the present invention, and those skilled in the art can make various inventive modifications to the present embodiment as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (5)
1. The utility model provides a large-scale marine generator of LNG is with electricity generation rotor base which characterized in that, its structure includes electricity generation rotor base panel, electricity generation rotor base web, electricity generation rotor base keep apart from bracket, electricity generation rotor base panel is fixed in electricity generation rotor base web upper end, fixed connection electricity generation rotor base keep apart from bracket between the electricity generation rotor base web of both sides.
2. The power generation rotor base for the large-scale LNG ship generator as claimed in claim 1, wherein a power generation rotor base anti-tilt bracket is further provided at one side of the web of the power generation rotor base, and the power generation rotor base panel is fixed to the upper end of the power generation rotor base anti-tilt bracket.
3. The power generation rotor base for the large-scale LNG marine power generator as claimed in claim 1, wherein the structure further comprises a power generation rotor base connection sealing plate, the power generation rotor base connection sealing plate is fixedly connected to one end of the two power generation rotor base webs, and the power generation rotor base face plate is fixedly arranged at the upper end of the power generation rotor base connection sealing plate.
4. The power generation rotor base for the large-scale LNG ship generator as claimed in claim 2, wherein the lower end of the power generation rotor base anti-tilt toggle plate at the joint of the power generation rotor base anti-tilt toggle plate and the power generation rotor base web is provided with a through welding hole.
5. The power generation rotor base for the large-scale LNG marine power generator as claimed in claim 1, wherein a through welding hole is formed in the bottom of the power generation rotor base distance-keeping toggle plate at the joint of the power generation rotor base distance-keeping toggle plate and the power generation rotor base web plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921890364.6U CN211731726U (en) | 2019-11-05 | 2019-11-05 | Power generation rotor base for large-scale LNG marine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921890364.6U CN211731726U (en) | 2019-11-05 | 2019-11-05 | Power generation rotor base for large-scale LNG marine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211731726U true CN211731726U (en) | 2020-10-23 |
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ID=72872867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921890364.6U Active CN211731726U (en) | 2019-11-05 | 2019-11-05 | Power generation rotor base for large-scale LNG marine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211731726U (en) |
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2019
- 2019-11-05 CN CN201921890364.6U patent/CN211731726U/en active Active
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