CN203730564U - High-speed rotor bearing for turbine compressor - Google Patents
High-speed rotor bearing for turbine compressor Download PDFInfo
- Publication number
- CN203730564U CN203730564U CN201420042402.3U CN201420042402U CN203730564U CN 203730564 U CN203730564 U CN 203730564U CN 201420042402 U CN201420042402 U CN 201420042402U CN 203730564 U CN203730564 U CN 203730564U
- Authority
- CN
- China
- Prior art keywords
- speed rotor
- high speed
- turbocompressor
- housing
- axle journal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012634 fragment Substances 0.000 claims description 30
- 239000000956 alloy Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 46
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000010687 lubricating oil Substances 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 9
- 238000005461 lubrication Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a high-speed rotor bearing for a turbine compressor and belongs to the technical field of turbine compressors. The high-speed rotor bearing comprises a shaft neck and a shell. The high-speed rotor bearing is characterized in that the two sides of the shell are connected with a left frame and a right frame; the shaft neck is respectively sleeved with the left frame and the right frame; a cavity between the shell and the shaft neck is internally provided with a set of swingable type movable tile blocks which are arrayed at equal intervals along the peripheral direction; axial cylindrical pins which are movably matched with each tile block are inserted at the left and right ends of each tile block; the outer ends of the axial cylindrical pins are fixedly connected with the left frame or the right frame at the corresponding side. With the adoption of the high-speed rotor bearing for the turbine compressor provided by the utility model, an optimal oil film can be formed automatically when a working condition is changed; meanwhile, lubricating oil keeps smooth and sequentially flows so that the vibration of equipment is small and the stability of a high-speed rotor is improved; the service life of a bearing bush can be prolonged effectively and the maintenance working amount of the equipment is reduced.
Description
Technical field
The utility model belongs to turbocompressor technical field, is specifically related to a kind of turbocompressor high speed rotor supporting.
Background technique
Turbocompressor is a kind of rotating machinery, needs a kind of supporting to carry out supported mechanical solid of rotation when running, bear rotor weight and additional radial pressure, and reduce the mechanical load friction factor of compressor in transmission process.High speed rotor supporting is the important foundation component of compressor, and its precision, performance, precision, performance, the life and reliability of life and reliability to main frame play conclusive effect.Sliding bearing is the one of high speed rotor supporting, because thering is the advantages such as bearing capacity is high, noise is little, the life-span is long, on turbocompressor, be used widely, but from concrete applicable cases, sliding bearing structure used in the prior art, ubiquity may produce the undesirable phenomenon of film stability, if oil film is unstable, between tile fragment and rotating shaft, just have direct friction, the high temperature producing when friction is enough to be burnt out; Also there is the situation that may cause the damage equipment such as main shaft bending, rotor unbalance value increase in the sliding bearing of applying in prior art.
Model utility content
The utility model aim to provide a kind of tile fragment have can free swing bascule turbocompressor high speed rotor supporting technology scheme, to overcome problems of the prior art.
Described a kind of turbocompressor high speed rotor supporting, comprise axle journal, housing, it is characterized in that the connection of housing both sides arranges left, right, left, right is socketed in respectively on axle journal, in cavity between housing and axle journal by left, right the tile fragment that along the circumferential direction one group of equidistant spread configuration can swing activity, peg graft respectively and arrange and its axial circular pin of coordinating of activity in the two ends, left and right of each tile fragment, left or right of the outer end of axial circular pin and respective side is fixedly connected with.
Described a kind of turbocompressor high speed rotor supporting, is characterized in that, on described housing, one group of equally distributed oil hole is radially set, and oil hole is arranged between adjacent tile fragment.
Described a kind of turbocompressor high speed rotor supporting, it is characterized in that described left, right respectively and between axle journal, form Spielpassung, on left, right the inner headed face coordinating with axle journal, be equipped with oil seal groove.
Described a kind of turbocompressor high speed rotor supporting, left, right described in it is characterized in that is connected and fixed by axial bolt and housing respectively.
Described a kind of turbocompressor high speed rotor supporting, it is characterized in that described left, right with housing employing level respectively in separation structure, described housing between split, adopt up and down straight pin location, and adopt screw attachment to fix.
Described a kind of turbocompressor high speed rotor supporting, is characterized in that forming equidistant spread configuration one group of tile fragment in cavity between housing and axle journal by more than three and three odd number piece tile fragments.
Described a kind of turbocompressor high speed rotor supporting, is characterized in that described left, right is connected respectively antifriction layer is set with the inwall of axle journal cooperation.
Described a kind of turbocompressor high speed rotor supporting, is characterized in that described tile fragment is connected alloy lining is set with the inwall of axle journal cooperation.
Described a kind of turbocompressor high speed rotor supporting, is characterized in that being equipped with spill port on described housing, right.
Above-mentioned a kind of turbocompressor high speed rotor supporting, novel, rational in infrastructure, lubricant oil is brought into and between high speed rotor axle journal and tile fragment, is formed wedge-like oil film, each tile fragment of equidistant spread configuration can be realized and automatically regulate inclination by freely swinging centered by straight pin, in the time of the working conditions change such as oil film pressure fluctuation, automatically form best oil film, reply unit loads, high speed rotor in unloading changes, misaligning of compensation rotor, deflection, make lubricant oil keep unimpeded and flow in order simultaneously, avoid occurring cutting off sharp edge and the corner angle of oil film, can prevent oil whirl, reduce the vibration values of high speed rotor, improve and withstand shocks and oscillating load ability, improve the stability of high speed rotor, also can effectively extend the working life of bearing shell, reduce plant maintenance workload.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is A-A cross-sectional view in Fig. 1;
In figure: left of 1-, 2-housing, right of 3-, 4-tile fragment, 5-straight pin, 6-screw, 7-axial circular pin, 8-axial bolt, 9-axle journal, 10-spill port, 11-oil hole, 12-oil seal groove, 13-oiling groove, 14-antifriction layer, 15-alloy lining.
Embodiment
Now, in conjunction with Figure of description, describe embodiment of the present utility model in detail:
As shown be a kind of turbocompressor high speed rotor supporting, left 1, right 3 with housing 2 employing levels respectively in separation structure, the straight pin 5 that adopts between split up and down of housing 2 is located, and adopt screw 6 to be connected and fixed, left 1, right 3 is connected and fixed by axial bolt 8 and housing 2 respectively, high speed rotor supporting is separation structure in upper and lower Hough, have install time saving and energy saving, maintenance is convenient, and is conducive to the installation of middle open type gear housing; Left 1, right 3 be socketed in respectively on axle journal 9 and and axle journal 9 between form Spielpassung, left 1, right 3 inwall coordinating with axle journal 9 is connected respectively antifriction layer 14 is set, and on inner headed face, being equipped with respectively oil seal groove 12, set antifriction layer 14 plays buffer function to lubricant oil; In cavity between housing 2 and axle journal 9 by left 1, right 3 tile fragment 4 that along the circumferential direction one group of equidistant spread configuration can swing activity, the equidistant tile fragment 4 of arranging is three and three above odd number pieces, the inwall that each tile fragment 4 coordinates with axle journal 9 is connected alloy lining 15 is set, this alloy lining 15 be a kind of wear-resisting, high temperature resistant, thermal conductivity is good and the alloy material that adsorbed with oil, under oil lubrication effect, can in gap, form oil film and be close to main shaft, rely on the ductility of oil film and alloy-layer to prevent the wearing and tearing of axle journal 9 surface of contact; Peg graft respectively and arrange and its movable axial circular pin 7 coordinating in the two ends, left and right of each tile fragment 4, left 1 or right 3 of the outer end of axial circular pin 7 and respective side is fixedly connected with, each tile fragment 4 can freely swing centered by axial circular pin 7, automatically regulate inclination, when the working conditions change such as oil film pressure fluctuation, automatically form best oil film, the misaligning of compensation rotor, deflection; Tile fragment 4 adopts swing structure, also makes lubricant oil keep unimpeded and flow in order, avoids occurring cutting off sharp edge and the corner angle of oil film, automatically regulate oil slick thickness with reply unit load, high speed rotor in unloading changes; This structure can prevent oil whirl, reduces the vibration values of high speed rotor, has improved and has withstood shocks and oscillating load ability; One group of equally distributed oil hole 11 is radially set on housing 2, oil hole 11 is between adjacent tile fragment 4, the oiling groove 13 that housing 2 outer surface settings are communicated with each oil hole 11, on housing 2, right 3, be equipped with the spill port 10 of connection, lubricant oil brings to excircle by spill port 10 by Lubricating Oil under centrifugal action, then moves to lubricating oil system and recycles; Oil hole 11 designs the middle part in whole supporting, oil supply is abundant, and lubricant movement direction is from non-bearing face district to supporting plane, this oil-feed mode can form oil film fast, and make successfully engaging friction surface of oil film, and and the oil film steady quality that forms of this structure, thus the stability of rotor effectively improved, tile fragment 4 adopts uniform oil hole 11 structures between the above odd number of three and three and tile fragment 4 in addition, can make lubricated more abundant.
In above-described embodiment, turbocompressor High Rotation Speed, the lubricant oil of coming from compressor lubrication oil system, enter supporting inner chamber through oiling groove 13 by each oil hole 11, bring the pressure-bearing surface of tile fragment 4 by the space between tile fragment 4 and the high son rotation of walking around into, between axle journal 9 and tile fragment 4, form wedge-like oil film, the extruding of being loaded is set up oil film pressure with bearing load, this oil film is the key in high speed rotor support design, plays lubricated and supporting role, is also the important evaluation index of high speed rotor supporting; Described oil seal groove 12 makes lubricant oil between tile fragment 4 and left 1, right 3, form chamber to press, thereby makes lubricated more abundant; Apply the turbocompressor of high speed rotor supporting described in the utility model, in the time of working conditions change, can automatically form best oil film, make lubricant oil keep unimpeded and flow in order simultaneously, the vibration of equipment is reduced, the stability of high speed rotor improves, in the working life that also can effectively extend bearing shell, reduce plant maintenance workload.
Claims (9)
1. a turbocompressor high speed rotor supporting, comprise axle journal (9), housing (2), it is characterized in that the connection of housing (2) both sides arranges left (1), right (3), left (1), right (3) are socketed in respectively on axle journal (9), in cavity between housing (2) and axle journal (9), pass through left (1), right (3) tile fragment (4) that along the circumferential direction equidistantly one group of spread configuration can swing activity, peg graft respectively and arrange and its movable axial circular pin (7) coordinating in the two ends, left and right of each tile fragment (4), the outer end of axial circular pin (7) is fixedly connected with left (1) or right (3) of respective side.
2. a kind of turbocompressor high speed rotor supporting as claimed in claim 1, is characterized in that, on described housing (2), one group of equally distributed oil hole (11) is radially set, and oil hole (11) is arranged between adjacent tile fragment (4).
3. a kind of turbocompressor high speed rotor supporting as claimed in claim 1, it is characterized in that described left (1), right (3) form Spielpassung respectively and between axle journal (9), are equipped with oil seal groove (12) on the inner headed face that left (1), right (3) coordinate with axle journal (9).
4. a kind of turbocompressor high speed rotor supporting as claimed in claim 1, is characterized in that described left (1), right (3) are connected and fixed by axial bolt (8) and housing (2) respectively.
5. a kind of turbocompressor high speed rotor supporting as claimed in claim 1, it is characterized in that separation structure in described left (1), right (3) and housing (2) employing level respectively, the straight pin (5) that adopts between split up and down of described housing (2) is located, and adopts screw (6) to be connected and fixed.
6. a kind of turbocompressor high speed rotor supporting as claimed in claim 1, is characterized in that forming equidistant spread configuration one group of tile fragment (4) in cavity between housing (2) and axle journal (9) by more than three and three odd number piece tile fragments (4).
7. a kind of turbocompressor high speed rotor supporting as claimed in claim 1, is characterized in that described left (1), right (3) are connected respectively antifriction layer (14) is set with the inwall of axle journal (9) cooperation.
8. a kind of turbocompressor high speed rotor supporting as claimed in claim 1, is characterized in that described tile fragment (4) is connected alloy lining (15) is set with the inwall of axle journal (9) cooperation.
9. a kind of turbocompressor high speed rotor supporting as claimed in claim 1, is characterized in that being equipped with spill port (10) on described housing (2), right (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042402.3U CN203730564U (en) | 2014-01-23 | 2014-01-23 | High-speed rotor bearing for turbine compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042402.3U CN203730564U (en) | 2014-01-23 | 2014-01-23 | High-speed rotor bearing for turbine compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730564U true CN203730564U (en) | 2014-07-23 |
Family
ID=51200643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420042402.3U Expired - Fee Related CN203730564U (en) | 2014-01-23 | 2014-01-23 | High-speed rotor bearing for turbine compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730564U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257399A (en) * | 2015-10-19 | 2016-01-20 | 泰州市科诚汽车零配件有限公司 | Automobile engine powder metallurgy rotor and manufacturing methods thereof |
| CN106286598A (en) * | 2015-06-25 | 2017-01-04 | 宝山钢铁股份有限公司 | A kind of blower fan bearing shell |
| CN112032075A (en) * | 2020-08-07 | 2020-12-04 | 上海电气（集团）总公司 | Support device for ultra-low temperature thermal decoupling turbine rotor |
-
2014
- 2014-01-23 CN CN201420042402.3U patent/CN203730564U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286598A (en) * | 2015-06-25 | 2017-01-04 | 宝山钢铁股份有限公司 | A kind of blower fan bearing shell |
| CN105257399A (en) * | 2015-10-19 | 2016-01-20 | 泰州市科诚汽车零配件有限公司 | Automobile engine powder metallurgy rotor and manufacturing methods thereof |
| CN112032075A (en) * | 2020-08-07 | 2020-12-04 | 上海电气（集团）总公司 | Support device for ultra-low temperature thermal decoupling turbine rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |