CN114370430B - Guide vane actuating mechanism of cylindrical centrifugal compressor - Google Patents
Guide vane actuating mechanism of cylindrical centrifugal compressor Download PDFInfo
- Publication number
- CN114370430B CN114370430B CN202111632501.8A CN202111632501A CN114370430B CN 114370430 B CN114370430 B CN 114370430B CN 202111632501 A CN202111632501 A CN 202111632501A CN 114370430 B CN114370430 B CN 114370430B
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- China
- Prior art keywords
- guide vane
- gear
- toothed ring
- driving
- sleeve
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- 230000007246 mechanism Effects 0.000 title claims abstract description 82
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a guide vane actuating mechanism of a barrel type centrifugal compressor, which is connected with an inlet side end cover through a driving mechanism, a driving gear of the driving mechanism is connected with the driving mechanism, a toothed ring is meshed with the driving gear, a guide vane is connected with the guide vane gear, the guide vane gear is meshed with the toothed ring, the driving mechanism sequentially transmits power to the driving gear and the toothed ring of the driving mechanism and the guide vane gear on the guide vane mechanism, and then the guide vane is driven to rotate; the guide vane actuating mechanism provided by the invention is only arranged on the inlet side end cover, and the structure and the installation of other parts of the compressor are not affected, so that the guide vane actuating mechanism has strong applicability and can be widely used for various barrel type centrifugal compressors.
Description
Technical Field
The invention relates to the technical field of barrel type centrifugal compressors, in particular to a guide vane actuating mechanism of a barrel type centrifugal compressor.
Background
The flow rate adjusting method of the centrifugal compressor comprises the following steps: variable speed regulation, bypass regulation, throttle regulation, vane regulation, and the like. The variable rotation speed adjustment has high efficiency and good economic benefit, but one-time investment is huge and equipment is complex; the bypass adjustment and the throttle adjustment have the advantages of simple structure, low one-time investment, low efficiency and poor economical efficiency; the guide vane adjustment has the advantages of low one-time investment, high efficiency and good economic benefit, but is limited by the problems of dynamic and static sealing under high pressure, so that the guide vane adjustment is only used on centrifugal compressor sets with relatively low pressure such as air compressors and nitrogen compressors, and the medium is nontoxic and harmless and allows micro leakage.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a guide vane actuating mechanism of a barrel type centrifugal compressor.
A vane actuator for a barrel centrifugal compressor, comprising:
the driving mechanism is connected with the inlet side end cover;
the transmission mechanism comprises a driving gear and a toothed ring, the driving gear is connected with the driving mechanism, and the toothed ring is meshed with the driving gear;
the guide vane mechanism comprises a guide vane and a guide vane gear, wherein the guide vane is connected with the guide vane gear, and the guide vane gear is meshed with the toothed ring.
Further, the driving mechanism includes:
a sleeve connected to the inlet side end cap;
and the driving shaft is connected with the driving gear, is connected with the inlet side end cover through the sleeve and rotates in the sleeve.
Further, the driving mechanism further includes:
the axial bearing is arranged on the inner side of one end, far away from the transmission mechanism, of the sleeve, and the axial bearing is movably connected with the driving shaft.
Further, one end of the driving shaft, which is far away from the driving gear, is sleeved with a radial bearing.
Further, a spring energy-gathering ring is arranged in the sleeve, and the openings of the spring energy-gathering ring face opposite directions.
Furthermore, a shield is sleeved on the outer side of the radial bearing, and the shield is connected with the sleeve through a bolt.
Further, one end of the driving shaft far away from the driving gear is connected with the adapter.
Further, a dial is arranged on the outer side of the adapter, a pointer is arranged on the shield, and the free end of the pointer points to the dial.
Further, the device further comprises a support, the support is connected with the inlet side end cover through bolts, the transmission mechanism and the guide vane gear are arranged between the support and the inlet side end cover, and the guide vane is arranged on the outer side of the support.
Further, a toothed ring connecting seat is arranged on the support, the toothed ring connecting seat is movably connected with the toothed ring, and the toothed ring rotates on the toothed ring connecting seat.
The invention provides a guide vane actuating mechanism of a barrel type centrifugal compressor, which is connected with an inlet side end cover through a driving mechanism, a driving gear of the driving mechanism is connected with the driving mechanism, a toothed ring is meshed with the driving gear, a guide vane is connected with the guide vane gear, the guide vane gear is meshed with the toothed ring, the driving mechanism sequentially transmits power to the driving gear and the toothed ring of the driving mechanism and the guide vane gear on the guide vane mechanism, and then the guide vane is driven to rotate; the guide vane actuating mechanism provided by the invention is only arranged on the inlet side end cover, and the structure and the installation of other parts of the compressor are not affected, so that the guide vane actuating mechanism has strong applicability and can be widely used for various barrel type centrifugal compressors.
Drawings
FIG. 1 is a schematic structural view of a vane actuator of a barrel centrifugal compressor in accordance with an exemplary embodiment of the present invention;
FIG. 2 is an enlarged partial view of a vane actuator of a barrel centrifugal compressor in accordance with an exemplary embodiment of the present invention;
fig. 3 is an enlarged schematic view at II of fig. 2.
In the figure: the device comprises a 1-driving shaft, a 2-sleeve, a 3-driving gear, a 4-toothed ring, a 5-guide vane gear, a 6-guide vane, a 7-inlet side end cover, an 8-bracket, a 9-shield, a 10-adapter, an 11-pointer, a 12-dial, a 13-radial bearing, a 14-axial bearing, a 15-spring energy collecting ring and a 16-toothed ring connecting seat.
Detailed Description
In order to overcome the defects in the prior art, the invention provides a guide vane actuating mechanism of a barrel type centrifugal compressor. In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be described in more detail in the following in conjunction with the preferred embodiments of the present invention. The described embodiments are some, but not all, embodiments of the invention. The following examples are illustrative by reference to the description, which are intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The following describes embodiments of the present invention in detail.
Referring to fig. 1 and 2, a guide vane actuator of a barrel type centrifugal compressor comprises a driving mechanism, a transmission mechanism and a guide vane mechanism, wherein the driving mechanism is connected with an inlet side end cover 7; the transmission mechanism comprises a driving gear 3 and a toothed ring 4, the driving gear 3 is connected with the driving mechanism, and the toothed ring 4 is meshed with the driving gear 3; the guide vane mechanism 3 comprises a guide vane 6 and a guide vane gear 5, the guide vane 6 is connected with the guide vane gear 5, and the guide vane gear 5 is meshed with the toothed ring 6.
The driving mechanism is connected with the inlet side end cover 7, the driving gear 3 of the transmission mechanism is axially connected with the driving mechanism, the toothed ring 4 is meshed with the driving gear 3, the guide vane 6 is axially connected with the guide vane gear 5, the guide vane gear 5 is meshed with the toothed ring 4, the driving mechanism sequentially transmits power to the driving gear 3 and the toothed ring 4 of the transmission mechanism and the guide vane gear 5 on the guide vane mechanism, and then the guide vane 6 is driven to rotate; the guide vane actuating mechanism is only arranged on the inlet side end cover 7, and the structure and the installation of other parts of the compressor are not affected, so that the guide vane actuating mechanism has strong applicability and can be widely used for various barrel type centrifugal compressors; meanwhile, the guide vane actuating mechanism is divided into a driving mechanism, a transmission mechanism and a guide vane mechanism, so that the guide vane actuating mechanism is convenient to standardize and serialize.
As a preferred embodiment, the drive mechanism comprises a sleeve 2 and a drive shaft 1, the sleeve 2 being connected to an inlet side end cap 7; the drive shaft 1 is connected to the drive gear 3, the drive shaft 1 is connected to the inlet-side end cap 7 through the sleeve 2, and the drive shaft 1 rotates within the sleeve 2. Specifically, in the present embodiment, the sleeve 2 is fixedly connected to the inlet-side end cover 7 by bolts, and in other embodiments, the sleeve 2 may be fixedly connected to the inlet-side end cover 7 by other means such as a pin or the like.
As a preferred embodiment, the driving mechanism further comprises an axial bearing 14, which is arranged on the inner side of the end of the sleeve 2 remote from the transmission mechanism, and the axial bearing 14 is movably connected with the driving shaft 1. Specifically, in the present embodiment, the axial bearing 14 is an axial self-lubricating bearing, reducing frictional resistance. The axial bearing 14 is in an interference fit with the sleeve 2.
As a preferred embodiment, the end of the drive shaft 1 remote from the drive gear 3 is fitted with a radial bearing 13. Specifically, in the present embodiment, the radial bearing 13 is a radial self-lubricating bearing, reducing frictional resistance.
As a preferred embodiment, see fig. 3, a spring energy accumulating ring 15 is arranged in the sleeve 2, and the openings of the spring energy accumulating ring 15 are opposite. Specifically, in the present embodiment, the spring accumulator ring 15 is used for sealing, so that good dynamic and static sealing properties can be realized, and leakage of high-pressure gas can be effectively prevented.
As a preferred embodiment, the outer side of the radial bearing 13 is sleeved with a shield 9, and the shield 9 is connected with the sleeve 2 through bolts. Specifically, in the present embodiment, the radial bearing 13 is interference-fitted with the shroud 9. The shield 9 not only has a dustproof effect, but also can effectively seal high-pressure gas.
As a preferred embodiment, the end of the drive shaft 1 remote from the drive gear 3 is connected to a coupling 10, the coupling 10 being intended for connection to an actuator.
As a preferred embodiment, the outer side of the adapter 10 is provided with a dial 12, the shield 9 is provided with a pointer 11, and the free end of the pointer 11 is directed towards the dial 12. Specifically, in the present embodiment, the dial 12 is fixed to the outside of the adapter 10 by a bolt, and the pointer 11 is fixed to the outside of the shield 9 by a bolt. Through the arrangement of the dial 12 and the pointer 11, the guide vane actuating mechanism has the safety guarantee functions of angle indication, angle limit, angle positioning and the like, and is convenient for the operation, disassembly, assembly and maintenance of the guide vane actuating mechanism.
As a preferred embodiment, the guide vane actuator further comprises a support 8, the support 8 is connected with the inlet side end cover 7 through bolts, the transmission mechanism and the guide vane gear 5 are arranged between the support 8 and the inlet side end cover 7, and the guide vane 6 is arranged outside the support 8. Specifically, in the present embodiment, the guide vane 6 is axially connected to the guide vane gear 5 through a guide vane rotating shaft. The support 8 not only has the dustproof function, but also can protect the driving gear 3, the toothed ring 4 and the guide vane gear 5, and improves the safety and reliability of the compressor.
Specifically, a toothed ring connecting seat 16 is arranged on the bracket 8, the toothed ring connecting seat 16 is movably connected with the toothed ring 4, and the toothed ring 4 rotates on the toothed ring connecting seat 16; the inner side of the bracket 8 is provided with the toothed ring connecting seat 16 for movably connecting the toothed ring 4, so that the stability of the toothed ring 4 in the rotating process is improved.
According to the invention, the sleeve 2 is arranged on the inlet side end cover 7, the driving shaft 1 is arranged in the sleeve 2, the driving shaft 1 is axially connected with the driving gear 3, the toothed ring 4 is meshed with the driving gear 3, the guide vane 6 is axially connected with the guide vane gear 5, the guide vane gear 5 is meshed with the toothed ring 4, so that the driving shaft 1 sequentially transmits power to the toothed ring 4 and the guide vane gear 5 through the driving gear 3, and the guide vane 6 is driven to rotate; the guide vane actuating mechanism is only arranged on the inlet side end cover 7, and the structure and the installation of other parts of the compressor are not affected, so that the guide vane actuating mechanism has strong applicability and can be widely used for various barrel type centrifugal compressors; meanwhile, the guide vane actuating mechanism is divided into a driving mechanism, a transmission mechanism and a guide vane mechanism, so that the guide vane actuating mechanism is convenient to standardize and serialize. The bracket 8 has a dustproof function, can protect the driving gear 3, the toothed ring 4 and the guide vane gear 5, and improves the safety and reliability of the compressor; the outer side of the adapter 10 is provided with a dial 12, and the shield 9 is provided with a pointer 11, so that the guide vane actuating mechanism has the safety guarantee functions of angle indication, angle limit, angle positioning and the like, and is convenient for the operation, disassembly, assembly and maintenance of the guide vane actuating mechanism.
Therefore, the guide vane actuating mechanism of the cylindrical centrifugal compressor provided by the invention has the following advantages:
1. the high-pressure dynamic and static sealing performance is good, and the high-pressure dynamic and static sealing device can be widely used for various cylinder type centrifugal compressors;
2. the guide vane actuating mechanism is divided into a driving mechanism, a transmission mechanism and a guide vane mechanism, so that the guide vane actuating mechanism is convenient to standardize and serialize, and the manufacturing cost is low;
3. the guide vane executing mechanism is installed by only changing the structure of the end cover at the inlet side, has small influence on the structure of the original barrel type compressor, has strong applicability and can be widely used for various barrel type centrifugal compressors;
4. the operation is simple, and the maintainability is good.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (1)
1. A vane actuator for a barrel centrifugal compressor, comprising:
the driving mechanism is connected with the inlet side end cover;
the transmission mechanism comprises a driving gear and a toothed ring, the driving gear is connected with the driving mechanism, and the toothed ring is meshed with the driving gear;
the guide vane mechanism comprises a guide vane and a guide vane gear, the guide vane is connected with the guide vane gear, and the guide vane gear is meshed with the toothed ring;
the driving mechanism includes:
the sleeve is connected with the inlet side end cover, a spring energy collecting ring is arranged in the sleeve, and the opening directions of the spring energy collecting rings are opposite;
the driving shaft is connected with the driving gear, the driving shaft is connected with the inlet side end cover through the sleeve, the driving shaft rotates in the sleeve, one end, far away from the driving gear, of the driving shaft is sleeved with a radial bearing, the outer side of the radial bearing is sleeved with a shield, and the shield is connected with the sleeve through a bolt;
the drive mechanism further includes:
the axial bearing is arranged on the inner side of one end, far away from the transmission mechanism, of the sleeve, and the axial bearing is movably connected with the driving shaft;
one end of the driving shaft, which is far away from the driving gear, is connected with the adapter;
a dial is arranged on the outer side of the adapter, a pointer is arranged on the shield, and the free end of the pointer points to the dial;
the guide vane actuating mechanism of the cylindrical centrifugal compressor further comprises a support, the support is connected with the inlet side end cover through bolts, the transmission mechanism and the guide vane gear are arranged between the support and the inlet side end cover, and the guide vane is arranged outside the support;
the support is provided with a toothed ring connecting seat, the toothed ring connecting seat is movably connected with the toothed ring, and the toothed ring rotates on the toothed ring connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632501.8A CN114370430B (en) | 2021-12-28 | 2021-12-28 | Guide vane actuating mechanism of cylindrical centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632501.8A CN114370430B (en) | 2021-12-28 | 2021-12-28 | Guide vane actuating mechanism of cylindrical centrifugal compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114370430A CN114370430A (en) | 2022-04-19 |
| CN114370430B true CN114370430B (en) | 2024-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111632501.8A Active CN114370430B (en) | 2021-12-28 | 2021-12-28 | Guide vane actuating mechanism of cylindrical centrifugal compressor |
Country Status (1)
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| CN (1) | CN114370430B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799953A (en) * | 1995-05-25 | 1998-09-01 | American Variseal | Capped spring-energized seal |
| JP2009174458A (en) * | 2008-01-25 | 2009-08-06 | Hitachi Plant Technologies Ltd | Centrifugal compressor |
| JP2011099389A (en) * | 2009-11-06 | 2011-05-19 | Hitachi Plant Technologies Ltd | Centrifugal compressor |
| CN201925076U (en) * | 2011-01-24 | 2011-08-10 | 福建南电股份有限公司 | Pure friction guide vane protective device |
| CN202690536U (en) * | 2012-07-20 | 2013-01-23 | 沈阳鼓风机集团齿轮压缩机有限公司 | Guide vane regulator at entrance of polyolefin circulation air compressor |
| CN107939739A (en) * | 2017-12-15 | 2018-04-20 | 南通大通宝富风机有限公司 | A kind of monopole centrifugal blower rear guide vane gear torque amplifying device |
| CN209586790U (en) * | 2019-01-16 | 2019-11-05 | 重庆通用工业(集团)有限责任公司 | Flow control device and air blower |
| CN210715220U (en) * | 2019-08-08 | 2020-06-09 | 西安陕鼓动力股份有限公司 | Centrifugal compressor inlet guide vane adjusting device and centrifugal compressor |
| CN111664110A (en) * | 2020-05-25 | 2020-09-15 | 中科澳能(北京)节能技术有限公司 | Compressor inlet guide vane adjusting mechanism and control method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5807037B2 (en) * | 2013-05-16 | 2015-11-10 | 株式会社豊田自動織機 | Variable nozzle turbocharger |
-
2021
- 2021-12-28 CN CN202111632501.8A patent/CN114370430B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5799953A (en) * | 1995-05-25 | 1998-09-01 | American Variseal | Capped spring-energized seal |
| JP2009174458A (en) * | 2008-01-25 | 2009-08-06 | Hitachi Plant Technologies Ltd | Centrifugal compressor |
| JP2011099389A (en) * | 2009-11-06 | 2011-05-19 | Hitachi Plant Technologies Ltd | Centrifugal compressor |
| CN201925076U (en) * | 2011-01-24 | 2011-08-10 | 福建南电股份有限公司 | Pure friction guide vane protective device |
| CN202690536U (en) * | 2012-07-20 | 2013-01-23 | 沈阳鼓风机集团齿轮压缩机有限公司 | Guide vane regulator at entrance of polyolefin circulation air compressor |
| CN107939739A (en) * | 2017-12-15 | 2018-04-20 | 南通大通宝富风机有限公司 | A kind of monopole centrifugal blower rear guide vane gear torque amplifying device |
| CN209586790U (en) * | 2019-01-16 | 2019-11-05 | 重庆通用工业(集团)有限责任公司 | Flow control device and air blower |
| CN210715220U (en) * | 2019-08-08 | 2020-06-09 | 西安陕鼓动力股份有限公司 | Centrifugal compressor inlet guide vane adjusting device and centrifugal compressor |
| CN111664110A (en) * | 2020-05-25 | 2020-09-15 | 中科澳能(北京)节能技术有限公司 | Compressor inlet guide vane adjusting mechanism and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114370430A (en) | 2022-04-19 |
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