CN219654748U - Protective cover for coupling of turbine transmission compressor - Google Patents
Protective cover for coupling of turbine transmission compressor Download PDFInfo
- Publication number
- CN219654748U CN219654748U CN202320275031.2U CN202320275031U CN219654748U CN 219654748 U CN219654748 U CN 219654748U CN 202320275031 U CN202320275031 U CN 202320275031U CN 219654748 U CN219654748 U CN 219654748U
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- China
- Prior art keywords
- flange
- shield body
- protective cover
- sealing
- connecting end
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- 230000001681 protective effect Effects 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 230000008878 coupling Effects 0.000 title claims description 15
- 238000010168 coupling process Methods 0.000 title claims description 15
- 238000005859 coupling reaction Methods 0.000 title claims description 15
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 239000003921 oil Substances 0.000 claims description 8
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The protective cover for the coupler of the turbine transmission compressor comprises a first connecting end and a second connecting end, wherein the first connecting end is used for connecting a turbine, the second connecting end is used for connecting the compressor, a protective cover body used for accommodating the coupler is arranged between the first connecting end and the second connecting end, the first connecting end is provided with a first flange used for being connected with the turbine, and the second connecting end is provided with a second flange connected with the compressor; the shield body comprises an upper shield body and a lower shield body, a cavity capable of accommodating the coupler is formed after the upper shield body and the lower shield body are closed, and a sealing gasket is arranged at the joint of the upper shield body and the lower shield body.
Description
Technical Field
The utility model relates to the technical field of thermal power generation equipment, in particular to a protective cover of a coupler for a turbine transmission compressor.
Background
During thermal power generation, the rotor of the steam turbine is connected with the rotor of the compressor through the transmission of the coupling in the process of driving the compressor by the steam turbine, the steam turbine drives the compressor to rotate at a high speed, and a protective cover is arranged outside a machine which rotates at a high speed in order to avoid danger caused by touching a high-speed rotating part. Therefore, the coupler shield meets the requirements of better sealing, higher safety, convenient disassembly and assembly and the like. The coupler protective cover is a protective cover between the steam turbine and the driven machinery and mainly plays a role in safety protection.
The high-speed rotating coupler can suck out lubricating oil in a bearing seat of a turbine or a compressor, and the protecting cover in the prior art is basically covered by the upper protecting cover body and the lower protecting cover body and then sealed, and the connecting part of the upper protecting cover body and the lower protecting cover body is only connected by bolts, so that the sealing performance is insufficient, and the oil leakage at the connecting part is caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a protective cover for a coupling of a turbine transmission compressor, which is used for preventing oil leakage at the joint of an upper protective cover body and a lower protective cover body.
The technical scheme adopted by the utility model is that the protective cover of the coupler for the turbine transmission compressor comprises a first connecting end and a second connecting end, wherein the first connecting end is used for connecting a turbine, the second connecting end is used for connecting the compressor, a protective cover body used for accommodating the coupler is arranged between the first connecting end and the second connecting end, the first connecting end is provided with a first flange used for being connected with the turbine, and the second connecting end is provided with a second flange connected with the compressor; the shield body comprises an upper shield body and a lower shield body, a cavity capable of accommodating the coupler is formed after the upper shield body and the lower shield body are closed, and a sealing gasket is arranged at the joint of the upper shield body and the lower shield body.
The two sides of the upper shield body are respectively provided with a first flanging which extends outwards, the two sides of the lower shield body are respectively provided with a second flanging which extends outwards, the first flanging is provided with a first through hole, the second flanging is provided with a second through hole, a first bolt passes through the first through hole and the second through hole and then is fixed with a first nut through threads so as to fixedly connect the upper shield body with the lower shield body, and the sealing gasket is arranged between the first flanging and the second flanging; the number of the first bolts is at least two, and the two first bolts are arranged at intervals.
According to the utility model, the upper shield body is rotationally connected with the lower shield body through the hinge, the free edge of the upper shield body is provided with a third flanging which extends outwards, the free edge of the lower shield body is provided with a fourth flanging which extends outwards, a second bolt passes through the third flanging and the fourth flanging and then is in threaded fixation with a second nut so as to fixedly connect the upper shield body with the lower shield body, and the sealing gasket is arranged between the third flanging and the fourth flanging; the number of the second bolts is at least two, and the two second bolts are arranged at intervals.
The first flanging and the second flanging are provided with first positioning pins, and the positioning pins are fixedly connected with the first positioning nuts through threads.
The third flanging and the fourth flanging are provided with second positioning pins, and the second positioning pins are fixedly connected with second positioning nuts through threads.
According to the utility model, the sealing body with the cavity is arranged between the protective cover body and the first connecting end, the outer diameter of the sealing body is smaller than the inner diameter of the protective cover body, the sealing body part stretches into the protective cover body, the inner wall of the protective cover body abuts against the outer wall of the sealing body, an O-shaped ring for sealing a gap between the protective cover body and the sealing body is arranged between the inner wall of the protective cover body and the outer wall of the sealing body, and the other end of the sealing body is connected with the first flange.
The lower end of the lower shield body is provided with an oil discharge port for recovering leaked lubricating oil, the upper wall of the upper shield body is provided with an exhaust port for discharging oil smoke, and the exhaust port is connected with an air pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model has the advantages that the high-speed operation coupler is separated from the air by the first connecting end connected with the steam turbine and the second connecting end connected with the compressor, the coupler is positioned between the first connecting end and the second connecting end, the danger of the high-speed operation coupler to the approaching person is avoided, and the sealing gasket is arranged between the upper protecting cover body and the lower protecting cover body, so that the lubricating oil in the protecting cover body is prevented from leaking from the joint.
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.
Detailed Description
The utility model is further illustrated by way of example with reference to the accompanying drawings.
As shown in fig. 1 to 2, the protective cover for the coupling of the turbine transmission compressor according to the present embodiment includes a first connection end 1 for connecting with a turbine, a second connection end 2 for connecting with a compressor, a protective cover body 3 for accommodating the coupling is disposed between the first connection end 1 and the second connection end 2, the first connection end 1 has a first flange 11 for connecting with the turbine, and the second connection end 2 has a second flange 21 for connecting with the compressor; the shield body 3 comprises an upper shield body 31 and a lower shield body 32, a cavity capable of accommodating a coupler is formed after the upper shield body 31 and the lower shield body 32 are closed, and a sealing gasket 33 is arranged at the joint of the upper shield body 31 and the lower shield body 32; in the embodiment, the first connecting end 1 connected with the steam turbine and the second connecting end 2 connected with the compressor are provided, and the coupler is positioned on the shield body 3 between the first connecting end 1 and the second connecting end 2, so that the coupler running at high speed is separated from air, the danger of the coupler running at high speed to a person approaching is avoided, and the sealing gasket 33 is arranged between the upper shield body 31 and the lower shield body 32, so that lubricating oil in the shield body 3 is prevented from leaking from the joint.
One embodiment of the upper shield body 31 and the lower shield body 32 is as follows: the two sides of the upper shield body 31 are respectively provided with a first flanging 311 which extends outwards, the two sides of the lower shield body 32 are respectively provided with a second flanging 321 which extends outwards, the first flanging 311 is provided with a first through hole, the second flanging 321 is provided with a second through hole, a first bolt 34 passes through the first through hole and the second through hole and then is fixed with a first nut 35 in a threaded manner so as to fixedly connect the upper shield body 31 with the lower shield body 32, and the sealing gasket 33 is arranged between the first flanging 311 and the second flanging 321; the number of the first bolts 34 is at least two, and the two first bolts 34 are arranged at intervals; the first flange 311 and the second flange 321 are provided with a first positioning pin 61, and the first positioning pin 61 is fixed with a first positioning nut 62; in this embodiment, the relative positions of the upper shield body 31 and the lower shield body 32 are set by the first positioning pins 61 to prevent the upper shield body 31 and the lower shield body 32 from being dislocated, the upper shield body 31 and the lower shield body 32 are detachably connected, and the upper shield body 31 and the lower shield body 32 are fixedly connected with the first nut 35 by the first bolts 34, so that the installation is convenient.
Another embodiment of the upper shield body 31 and the lower shield body 32 is as follows: the upper shield body 31 is rotatably connected with the lower shield body 32 through a hinge, the free edge of the upper shield body 31 is provided with a third flanging extending outwards, the free edge of the lower shield body 32 is provided with a fourth flanging extending outwards, a second bolt passes through the third flanging and the fourth flanging and then is in threaded fixation with a second nut so as to fixedly connect the upper shield body 31 with the lower shield body 32, and the sealing gasket 33 is arranged between the third flanging and the fourth flanging; the number of the second bolts is at least two, and the two second bolts are arranged at intervals; the third flanging and the fourth flanging are provided with second positioning pins which are fixedly connected with second positioning nuts through threads; in this embodiment, the relative positions of the upper shield body 31 and the lower shield body 32 are set and positioned by the second positioning pins, so that the upper shield body 31 and the lower shield body 32 are prevented from being dislocated, one end of the upper shield body 31 and one end of the lower shield body 32 are rotationally connected, and the other end of the upper shield body 31 and the lower shield body 32 are fixedly connected with the second nut by the second bolts, so that the installation is convenient.
In this embodiment, a sealing body 4 with a cavity is disposed between the protecting cover body 3 and the first connecting end 1, the outer diameter of the sealing body 4 is smaller than the inner diameter of the protecting cover body 3, a part of the sealing body 4 stretches into the protecting cover body 3, the inner wall of the protecting cover body 3 abuts against the outer wall of the sealing body 4, an O-ring 5 for sealing a gap between the protecting cover body 3 and the sealing body 4 is disposed between the inner wall of the protecting cover body 3 and the outer wall of the sealing body 4, the other end of the sealing body 4 is connected with the first flange 11, and the sealing body 4 is used for preventing air leakage between the protecting cover body 3 and the first connecting end 1.
The lower end of the lower shield body 32 in this embodiment has an oil drain port 71 for recovering leaked lubricating oil, and the upper wall of the upper shield body 31 has an exhaust port for exhausting oil smoke, and the exhaust port is connected to an air pipe 72.
The specific using steps of the protective cover for the coupling of the turbine transmission compressor in the embodiment are as follows: first connecting end 1 is fixedly connected with the shell of the steam turbine through first flange 11, first flange 21 is connected with sealing body 4, upper shield body 31 and lower shield body 32 are respectively located above and below sealing body 4, upper shield body 31 and lower shield body 32 are close to and cover, the axial phase position of upper shield body 31 and lower shield body 32 is positioned through first locating pin 61 and first locating nut 62, sealing gasket 33 is prevented at the joint of upper shield body 31 and lower shield body 32, upper shield body 31 and lower shield body 32 are fixedly connected through first bolt 34 and first nut 35, and the other end of upper shield body 31 connected with lower shield body 32 is fixedly connected with the shell of the compressor through second flange 21.
Claims (7)
1. The protective cover for the coupling of the turbine transmission compressor is characterized by comprising a first connecting end (1) for connecting a turbine and a second connecting end (2) for connecting the compressor, wherein a protective cover body (3) for accommodating the coupling is arranged between the first connecting end (1) and the second connecting end (2), the first connecting end (1) is provided with a first flange (11) for connecting with the turbine, and the second connecting end (2) is provided with a second flange (21) connected with the compressor; the shield body (3) comprises an upper shield body (31) and a lower shield body (32), a cavity capable of accommodating a coupler is formed after the upper shield body (31) and the lower shield body (32) are close together, and a sealing gasket (33) is arranged at the joint of the upper shield body (31) and the lower shield body (32).
2. The protective cover for a coupling of a turbine transmission compressor according to claim 1, wherein two sides of the upper shield body (31) are respectively provided with a first flange (311) extending outwards, two sides of the lower shield body (32) are respectively provided with a second flange (321) extending outwards, the first flange (311) is provided with a first through hole, the second flange (321) is provided with a second through hole, a first bolt (34) passes through the first through hole and the second through hole and then is in threaded connection with a first nut (35) so as to fixedly connect the upper shield body (31) with the lower shield body (32), and the sealing gasket (33) is arranged between the first flange (311) and the second flange (321); the number of the first bolts (34) is at least two, and the two first bolts (34) are arranged at intervals.
3. The protective cover for a coupling of a turbine driven compressor according to claim 1, wherein the upper cover body (31) is rotatably connected with the lower cover body (32) through a hinge, the free edge of the upper cover body (31) is provided with a third flange extending outwards, the free edge of the lower cover body (32) is provided with a fourth flange extending outwards, a second bolt passes through the third flange and the fourth flange and then is screwed with a second nut so as to fixedly connect the upper cover body (31) with the lower cover body (32), and the sealing gasket (33) is arranged between the third flange and the fourth flange; the number of the second bolts is at least two, and the two second bolts are arranged at intervals.
4. The protective cover for a coupling of a turbine transmission compressor according to claim 2, characterized in that the first flange (311) and the second flange (321) are provided with a first positioning pin (61), and the positioning pin (61) is screwed with a first positioning nut (62).
5. A protective cover for a coupling of a turbine transmission compressor according to claim 3, wherein the third and fourth flanges are provided with a second locating pin which is screwed with a second locating nut.
6. The protective cover for a coupling of a turbine transmission compressor according to claim 1, characterized in that a sealing body (4) with a cavity is arranged between the protective cover body (3) and the first connecting end (1), the outer diameter of the sealing body (4) is smaller than the inner diameter of the protective cover body (3), the sealing body (4) partially stretches into the protective cover body (3), the inner wall of the protective cover body (3) abuts against the outer wall of the sealing body (4), an O-shaped ring (5) for sealing a gap between the protective cover body (3) and the sealing body (4) is arranged between the inner wall of the protective cover body (3) and the outer wall of the sealing body (4), and the other end of the sealing body (4) is connected with the first flange (11).
7. The shield for a coupling of a turbine transmission compressor according to claim 1, wherein the lower end of the lower shield body (32) has an oil drain port (71) for recovering leaked lubricating oil, and the upper wall of the upper shield body (31) has an exhaust port for exhausting oil smoke, the exhaust port being connected to an air pipe (72).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223444888 | 2022-12-22 | ||
| CN2022234448887 | 2022-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654748U true CN219654748U (en) | 2023-09-08 |
Family
ID=87881355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320275031.2U Active CN219654748U (en) | 2022-12-22 | 2023-02-22 | Protective cover for coupling of turbine transmission compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654748U (en) |
-
2023
- 2023-02-22 CN CN202320275031.2U patent/CN219654748U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |