CN219865971U - Coupling for connecting a steam turbine to a compressor - Google Patents
Coupling for connecting a steam turbine to a compressor Download PDFInfo
- Publication number
- CN219865971U CN219865971U CN202320253984.9U CN202320253984U CN219865971U CN 219865971 U CN219865971 U CN 219865971U CN 202320253984 U CN202320253984 U CN 202320253984U CN 219865971 U CN219865971 U CN 219865971U
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- CN
- China
- Prior art keywords
- steam turbine
- fixing
- section
- connecting section
- mounting
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- 230000008878 coupling Effects 0.000 title claims abstract description 13
- 238000010168 coupling process Methods 0.000 title claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 13
- 238000003475 lamination Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 38
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The shaft coupling for connecting the steam turbine and the compressor comprises a first connecting section and a second connecting section, wherein the first connecting section is used for being connected with the transmission of the steam turbine, the second connecting section is used for being connected with the transmission of the compressor, the first connecting section is connected with the second connecting section through the transmission of the middle section, the first connecting section comprises a first installation part matched with the steam turbine and a second installation part connected with the middle section, a first lamination is arranged between the first installation part and the second installation part, the second connecting section comprises a first fixing part matched with the compressor and a second fixing part connected with the middle section, and a second lamination is arranged between the first fixing part and the second fixing part.
Description
Technical Field
The utility model relates to the technical field of thermal power plant equipment, in particular to a coupler for connecting a steam turbine and a compressor.
Background
In thermal power generation, in the process of driving a compressor by a steam turbine, a rotor of the steam turbine is in transmission connection with a rotor of the compressor through a coupler, the coupler between the steam turbine and the compressor comprises a first connecting section combined with the steam turbine and a second connecting section combined with the compressor, the first connecting section and the second connecting section are connected through a screw or an intermediate section, the coupler in the prior art has the following problems that the first connecting section is of an integrated structure, the compensation capacity after being directly combined with the steam turbine is poor, the second connecting section is of an integrated structure, and the compensation capacity after being combined with the compressor is poor
Disclosure of Invention
The utility model aims to solve the technical problem of providing a coupler for connecting a steam turbine and a compressor, which can increase the compensation capability and solve the defects existing in the prior art.
The technical scheme adopted by the utility model is that the coupler for connecting the steam turbine and the compressor comprises a first connecting section and a second connecting section, wherein the first connecting section is used for being in transmission connection with the steam turbine, the second connecting section is used for being in transmission connection with the compressor, the first connecting section is in transmission connection with the second connecting section through an intermediate section, the first connecting section comprises a first installation part matched with the steam turbine and a second installation part connected with the intermediate section, a first lamination is arranged between the first installation part and the second installation part, the second connecting section comprises a first fixing part matched with the compressor and a second fixing part connected with the intermediate section, and a second lamination is arranged between the first fixing part and the second fixing part.
The middle part of the first installation part is provided with a first installation disc which extends outwards, the outer diameter of one end of the second installation part close to the first installation part is provided with a first interval shaft, the outer diameter of one end of the first installation part close to the second installation part is smaller than the inner diameter of the second installation part, one end of the first installation part close to the second installation part is positioned at the inner side of the second installation part, and the first installation part and the second installation part are fixed through a first bolt and a first self-locking nut.
The first spacer shaft is provided with a first extending edge extending towards the first mounting disc, the periphery of the first bolt is sleeved with the first lamination, and the periphery of the first lamination is abutted against the first extending edge and the first mounting part.
A first bushing is arranged between the first mounting plate and the first bolt.
The middle part of the first fixing part is provided with a first fixing disc which extends outwards, the outer diameter of one end of the second fixing part close to the first fixing part is provided with a first interval shaft part, the outer diameter of one end of the first fixing part close to the second fixing part is smaller than the inner diameter of the second fixing part, one end of the first fixing part close to the second fixing part is positioned at the inner side of the second fixing part, and the first fixing part and the second fixing part are fixed through a second bolt and a second self-locking nut.
The first interval shaft part is provided with a second extension edge extending to the first fixed disc, the periphery of the second bolt is sleeved with the second lamination, and the periphery of the second lamination is abutted against the second extension edge and the first fixed part.
A second bushing is arranged between the first fixed disc and the second bolt.
According to the utility model, the outer diameter of the second installation part of the first connecting section is provided with a first flanging which extends outwards, the first flanging is provided with a first through hole, the left end and the right end of the middle section are respectively provided with a third flanging which extends outwards, the third flanging is provided with a third through hole, a third bolt penetrates through the first through hole and the third through hole to be fixed with a first nut through threads, and the first nut is screwed down so as to fixedly connect the first connecting section with the middle section.
The outer diameter of the second fixing part of the second connecting section is provided with a second flanging extending outwards, the second flanging is provided with a second through hole, a fourth bolt penetrates through the second through hole and the third through hole to be fixed with a second nut through threads, and the second nut is screwed down so as to fixedly connect the second connecting section with the middle section.
A first adjusting pad is arranged between the first flanging and the third flanging, and a second adjusting pad is arranged between the second flanging and the third flanging.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model increases the compensation capacity compared with the prior art that the first connecting section is of an integral structure and the second connecting section is of an integral structure.
2. According to the utility model, the first lamination is arranged between the first installation part and the second installation part, and the second lamination is arranged between the first fixing part and the second fixing part, so that the shock resistance is increased.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a partial enlarged view at B in fig. 1.
Detailed Description
The utility model is further illustrated by way of example with reference to the accompanying drawings.
As shown in fig. 1 to 3, the coupling for connecting a turbine and a compressor according to the present embodiment includes a first connection section 1 for connecting with a turbine transmission, and a second connection section 2 for connecting with a compressor transmission, where the first connection section 1 is connected with the second connection section 2 through an intermediate section 3 transmission, the first connection section 1 includes a first mounting portion 11 adapted to the turbine, and a second mounting portion 12 connected with the intermediate section 3, a first lamination 16 is disposed between the first mounting portion 11 and the second mounting portion 12, the second connection section 2 includes a first fixing portion 21 adapted to the compressor, and a second fixing portion 22 connected with the intermediate section 3, and a second lamination 26 is disposed between the first fixing portion 21 and the second fixing portion 22; the first connecting section 1 comprises a first installation part 11 matched with the steam turbine and a second installation part 12 connected with the middle section, and the second connecting section 2 comprises a first fixing part 21 matched with the compressor and a second fixing part 22 connected with the middle section, so that the compensation capacity is increased; the first lamination 16 is arranged between the first mounting part 11 and the second mounting part 12, and the second lamination 26 is arranged between the first fixing part 21 and the second fixing part 22, so that the shock resistance is increased.
The specific connection manner of the first mounting portion 11 and the second mounting portion 12 is as follows: the middle part of the first installation part 11 is provided with a first installation disc 13 which extends outwards, the outer diameter of one end of the second installation part 12 close to the first installation part 11 is provided with a first spacing shaft 14, the outer diameter of one end of the first installation part 11 close to the second installation part 12 is smaller than the inner diameter of the second installation part 12, one end of the first installation part 11 close to the second installation part 12 is positioned at the inner side of the second installation part 12, and the first installation part 11 and the second installation part 12 are fixed through a first bolt 41 and a first self-locking nut 42; the first spacer shaft 14 is provided with a first extension edge 15 extending towards the first mounting plate 13, the periphery of the first bolt 41 is sleeved with the first lamination 16, and the periphery of the first lamination 16 abuts against the first extension edge 15 and the first mounting part 11; a first bushing 17 is provided between the first mounting plate 13 and the first bolt 41.
The specific connection manner of the first fixing portion 21 and the second fixing portion 22 is as follows: the middle part of the first fixing part 21 is provided with a first fixing disc 23 which extends outwards, the outer diameter of one end of the second fixing part 22 close to the first fixing part 21 is provided with a first interval shaft part 24, the outer diameter of one end of the first fixing part 21 close to the second fixing part 22 is smaller than the inner diameter of the second fixing part 22, one end of the first fixing part 21 close to the second fixing part 22 is positioned at the inner side of the second fixing part 22, and the first fixing part 21 and the second fixing part 22 are fixed through a second bolt 43 and a second self-locking nut 44; the first spacer shaft portion 24 has a second extension edge 25 extending toward the first fixing plate, the second lamination 26 is sleeved on the periphery of the second bolt 43, and the periphery of the second lamination 26 abuts against the second extension edge 25 and the first fixing portion 21; a second bushing 27 is arranged between the first fixing plate 23 and the second bolt 43.
The specific connection mode of the first connection section 1 and the middle section 3 is as follows: the outer diameter of the second installation part 12 of the first connecting section 1 is provided with a first flanging 121 extending outwards, the first flanging 121 is provided with a first through hole, the left end and the right end of the middle section 3 are respectively provided with a third flanging 31 extending outwards, the third flanging 31 is provided with a third through hole, a third bolt 51 passes through the first through hole and the third through hole to be fixed with a first nut 52 in a threaded manner, and the first nut 52 is screwed down to fixedly connect the first connecting section 1 with the middle section 3; a first adjusting pad 7 is arranged between the first flange 121 and the third flange 31; the first adjusting pad 7 is used for adjusting the positions of the first flange 121 and the third flange 31.
The specific connection mode of the second connection section 1 and the middle section 3 is as follows: the outer diameter of the second fixing part 22 of the second connecting section 2 is provided with a second flanging 221 extending outwards, the second flanging 221 is provided with a second through hole, a fourth bolt 61 passes through the second through hole and the third through hole to be fixed with a second nut 62 through threads, and the second nut 62 is screwed down so as to fixedly connect the second connecting section 2 with the middle section 3; a second adjusting pad 8 is arranged between the second flange 221 and the third flange 31; the second adjusting pad 8 is used for adjusting the positions of the second flange 221 and the third flange 31.
Claims (10)
1. The coupler for connecting the steam turbine and the compressor is characterized by comprising a first connecting section (1) used for being connected with the transmission of the steam turbine and a second connecting section (2) used for being connected with the transmission of the compressor, wherein the first connecting section (1) is connected with the second connecting section (2) through the transmission of an intermediate section (3), the first connecting section (1) comprises a first mounting part (11) matched with the steam turbine and a second mounting part (12) connected with the intermediate section (3), a first lamination (16) is arranged between the first mounting part (11) and the second mounting part (12), the second connecting section (2) comprises a first fixing part (21) matched with the compressor and a second fixing part (22) connected with the intermediate section (3), and a second lamination (26) is arranged between the first fixing part (21) and the second fixing part (22).
2. The coupling for connecting a steam turbine and a compressor according to claim 1, wherein a first mounting plate (13) extending outwards is arranged in the middle of the first mounting portion (11), a first spacing shaft (14) is arranged on the outer diameter of one end of the second mounting portion (12) close to the first mounting portion (11), the outer diameter of one end of the first mounting portion (11) close to the second mounting portion (12) is smaller than the inner diameter of the second mounting portion (12), one end of the first mounting portion (11) close to the second mounting portion (12) is located on the inner side of the second mounting portion (12), and the first mounting portion (11) and the second mounting portion (12) are fixed through a first bolt (41) and a first self-locking nut (42).
3. Coupling for connecting a steam turbine with a compressor according to claim 2, characterized in that the first spacer shaft (14) has a first extension edge (15) extending towards the first mounting plate (13), the periphery of the first bolt (41) being sleeved with the first lamination (16), the periphery of the first lamination (16) abutting the first extension edge (15) and the first mounting portion (11).
4. A coupling for connecting a steam turbine to a compressor according to claim 3, characterized in that a first bushing (17) is provided between the first mounting plate (13) and the first bolt (41).
5. The coupling for connecting a steam turbine and a compressor according to claim 1, wherein a first fixing plate (23) extending outwards is arranged in the middle of the first fixing portion (21), a first interval shaft portion (24) is arranged on the outer diameter of one end of the second fixing portion (22) close to the first fixing portion (21), the outer diameter of one end of the first fixing portion (21) close to the second fixing portion (22) is smaller than the inner diameter of the second fixing portion (22), one end of the first fixing portion (21) close to the second fixing portion (22) is located on the inner side of the second fixing portion (22), and the first fixing portion (21) and the second fixing portion (22) are fixed through a second bolt (43) and a second self-locking nut (44).
6. Coupling for connecting a steam turbine to a compressor according to claim 5, characterised in that the first spacer shaft part (24) has a second extension (25) extending towards the first fixing plate (23), the second lamination (26) being sleeved on the periphery of the second bolt (43), the periphery of the second lamination (26) abutting the second extension (25) and the first fixing part (21).
7. Coupling for connecting a steam turbine with a compressor according to claim 6, characterized in that a second bushing (27) is arranged between the first fixing plate (23) and the second bolt (43).
8. Coupling for connecting a steam turbine with a compressor according to claim 2, characterized in that the outer diameter of the second mounting part (12) of the first connecting section (1) is provided with an outwardly extending first flange (121), the first flange (121) is provided with a first through hole, the left and right ends of the intermediate section (3) are respectively provided with outwardly extending third flanges (31), the third flange (31) is provided with a third through hole, a third bolt (51) passes through the first through hole, the third through hole and the first nut (52) to be screwed, and the first nut (52) is screwed to fixedly connect the first connecting section (1) with the intermediate section (3).
9. Coupling for connecting a steam turbine with a compressor according to claim 8, characterized in that the outer diameter of the second fixing part (22) of the second connecting section (2) is provided with an outwardly extending second flange (221), the second flange (221) is provided with a second through hole, a fourth bolt (61) is threaded through the second through hole, the third through hole and a second nut (62), and the second nut (62) is tightened to fixedly connect the second connecting section (2) with the intermediate section (3).
10. The coupling for connecting a steam turbine with a compressor according to claim 9, wherein a first adjusting pad (7) is arranged between the first flange (121) and the third flange (31), and a second adjusting pad (8) is arranged between the second flange (221) and the third flange (31).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223415982 | 2022-12-19 | ||
| CN202223415982X | 2022-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865971U true CN219865971U (en) | 2023-10-20 |
Family
ID=88341157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320253984.9U Active CN219865971U (en) | 2022-12-19 | 2023-02-20 | Coupling for connecting a steam turbine to a compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865971U (en) |
-
2023
- 2023-02-20 CN CN202320253984.9U patent/CN219865971U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |