CN207131633U - A kind of centrifugal compressed machine rotor - Google Patents
A kind of centrifugal compressed machine rotor Download PDFInfo
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- CN207131633U CN207131633U CN201720796331.XU CN201720796331U CN207131633U CN 207131633 U CN207131633 U CN 207131633U CN 201720796331 U CN201720796331 U CN 201720796331U CN 207131633 U CN207131633 U CN 207131633U
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- compressed machine
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Abstract
The utility model discloses a kind of centrifugal compressed machine rotor, including rotor multi-diameter shaft, bearing thrust disk, output end thrust ring, the first impeller sets, balancing frame, the second impeller sets and power end thrust ring are nested with the rotor multi-diameter shaft successively from left to right；First impeller sets include the first axle sleeve, the first impeller, the second axle sleeve and the second impeller successively from left to right, and second impeller sets include trilobed wheel, the 3rd axle sleeve, the 4th impeller, the 4th axle sleeve, the 5th impeller and the 5th axle sleeve successively from left to right.A kind of centrifugal compressed machine rotor that the utility model is related to, the mode of impeller is set in balancing frame both sides, balances direction of rotation and the revolving force of impeller, and then prevent exciting, impeller reasonable quantity, gases at high pressure can be provided, gas pressure ratio is high, saves power, rotor multi-diameter shaft mid diameter is big, both ends diameter is gradually reduced, and assembling facility, is connected firmly.
Description
Technical field
The utility model belongs to compressor accessory technical field, and in particular to a kind of centrifugal compressed machine rotor.
Background technology
Centrifugal compressor is vital flow compressor in chemical fertilizer industry, now due to compressor is towards at a high speed and greatly
Pressure ratio direction is developed, therefore the rotor design of centrifugal compressor is more and more important, present rotor design unreasonable structure, impeller
Quantity and set-up mode it is unreasonable, exciting is easily caused because of the viscosity of gas, and pressure ratio is poor, output pressure deficiency, consumption
It is excessive to take power, therefore, present compressor accessories field, exciting can be prevented by being badly in need of one kind, and pressure ratio is high, output pressure
Greatly, the reliable centrifugal compressed machine rotor of structure.
The content of the invention
The utility model develops a kind of centrifugal compressed machine rotor, solves technical problem set forth above.
The technological means that the utility model uses is as follows：A kind of centrifugal compressed machine rotor, including rotor multi-diameter shaft, described turn
It is nested with bearing thrust disk, output end thrust ring, the first impeller sets, balancing frame, the second impeller on sub- multi-diameter shaft successively from left to right
Group and power end thrust ring；
First impeller sets include the first axle sleeve, the first impeller, the second axle sleeve and the second impeller, institute successively from left to right
State the second impeller sets includes trilobed wheel, the 3rd axle sleeve, the 4th impeller, the 4th axle sleeve, the 5th impeller and the successively from left to right
Five axle sleeves.
Further, in the above-mentioned technical solutions, first impeller, second impeller, the trilobed wheel, described
4th impeller and the 5th impeller are all double shrouded wheel.
Further, in the above-mentioned technical solutions, the rotor multi-diameter shaft includes the first rank axle, second successively from left to right
Rank axle, the 3rd rank axle, fourth order axle, the 5th rank axle, hexastep shaft, the 7th rank axle, the 8th rank axle, the 9th rank axle, the tenth rank axle,
Tenth single order axle, the tenth second order axle, the 13rd rank axle, the tenth quadravalence axle, the 15th rank axle, the tenth hexastep shaft, the 17th rank axle,
18th rank axle, the first rank axle, the second-order axle, the 3rd rank axle, the fourth order axle, the 5th rank axle,
The hexastep shaft, the 7th rank axle, the 8th rank axle, the 9th rank axle, the tenth rank axle, the tenth single order
The diameter of axle and the tenth second order axle sequentially gradually increases, the tenth second order axle, the 13rd rank axle, the described 14th
Rank axle, the 15th rank axle, the tenth hexastep shaft, the 17th rank axle and the 18th rank axle diameter sequentially by
It is decrescence small.
Further, in the above-mentioned technical solutions, end cap is fixed on the first rank axle by the first alignment pin, end
Axle sleeve is fixed on the second-order axle right part to the 3rd rank axle by the second alignment pin, and the bearing thrust disk is consolidated by square cotter
Due on the fourth order axle.
Further, in the above-mentioned technical solutions, the 7th rank axle left part sets multiple bulge loops, outside the 8th rank axle
Surface sets annular groove.
Further, in the above-mentioned technical solutions, the output end thrust ring is fixed on described by the 3rd alignment pin
On nine rank axles, first axle sleeve and first impeller are sequentially placed on the tenth rank axle from left to right, and described second
Axle sleeve and second impeller are sequentially placed on the tenth single order axle from left to right.
Further, in the above-mentioned technical solutions, the balancing frame is placed on the 13rd rank axle left end from right to left
To on the tenth second order axle, the balance panel surface is provided with annular groove, the trilobed wheel, the 3rd axle sleeve, described
4th impeller, the 4th axle sleeve, the 5th impeller and the 5th axle sleeve are sequentially placed on the institute on the right side of the balancing frame
State on the 13rd rank axle, the power end thrust ring is fixed on the tenth quadravalence axle by the 4th alignment pin.
Further, in the above-mentioned technical solutions, the 15th rank axle outer surface setting annular groove, the described 16th
Rank axle left part sets multiple bulge loops.
Further, in the above-mentioned technical solutions, first impeller includes the first front shroud, the first back shroud, first
Blade and first wheel, first back shroud are placed on the tenth rank axle, and first blade is fixed on described first
On back shroud, first front shroud is fixed on first blade, and the first wheel is fixed on first front shroud
It is identical with first blade wheel structure with the inner side of first back shroud, second impeller.
Further, in the above-mentioned technical solutions, the trilobed wheel includes the 3rd front shroud, the 3rd back shroud, the 3rd
Blade and third round hub, the 3rd front shroud are placed on the 13rd rank axle, and the third blade is fixed on described
On three front shrouds, the 3rd back shroud is fixed in the third blade, and the third round hub is fixed on the 3rd protecgulum
The inner side of plate and the 3rd back shroud, the 4th impeller and the 5th impeller are identical with the trilobed wheel structure.
The beneficial effects of the utility model are：
(1) the centrifugal compressed machine rotor of the present utility model, the mode of impeller is set in balancing frame both sides, balances leaf
The direction of rotation of wheel and revolving force, and then prevent exciting；
(2) the centrifugal compressed machine rotor of the present utility model, impeller reasonable quantity, using the teaching of the invention it is possible to provide gases at high pressure, gas
Pressure ratio is high, saves power；
(3) the centrifugal compressed machine rotor of the present utility model, rotor multi-diameter shaft mid diameter is big, and both ends diameter gradually subtracts
It is small, assembling facility, it is connected firmly.
Brief description of the drawings
The utility model is described in further detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is centrifugal compressed motor rotor structure schematic diagram described in embodiment 1.
In figure：1st, rotor multi-diameter shaft, 2, bearing thrust disk, 3, output end thrust ring, the 4, first impeller sets, 5, balancing frame,
6th, the second impeller sets, 7, power end thrust ring, 8, end cap, 9, end axle sleeve, the 10, the tenth rank axle, the 11, first rank axle, 12, second
Rank axle, the 13, the 3rd rank axle, 14, fourth order axle, the 15, the 5th rank axle, 16, hexastep shaft, the 17, the 7th rank axle, the 18, the 8th rank
Axle, the 19, the 9th rank axle, 21, square cotter, the 31, the 3rd alignment pin, the 41, first axle sleeve, the 42, first impeller, the 43, second axle sleeve,
44th, the second impeller, 61, trilobed wheel, the 62, the 3rd axle sleeve, the 63, the 4th impeller, the 64, the 4th axle sleeve, the 65, the 5th impeller, 66,
5th axle sleeve, the 71, the 4th alignment pin, the 81, first alignment pin, the 91, second alignment pin, the 111, the tenth single order axle, the 112, the 12nd
Rank axle, the 113, the 13rd rank axle, the 114, the tenth quadravalence axle, the 115, the 15th rank axle, the 116, the tenth hexastep shaft, the 117, the 17th rank
Axle, the 118, the 18th rank axle, the 421, first front shroud, the 422, first back shroud, the 423, first blade, 424, first wheel,
611st, the 3rd front shroud, the 612, the 3rd back shroud, 613, third blade, 614, third round hub.
Embodiment
Clear, complete description is carried out to the technical solution of the utility model with reference to the accompanying drawings and examples, in this reality
With in new description, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", " level ",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model and simplify and describe, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Embodiment 1
As shown in figure 1, a kind of centrifugal compressed machine rotor, including rotor multi-diameter shaft 1, by left-hand on the rotor multi-diameter shaft 1
The right side is nested with bearing thrust disk 2, output end thrust ring 3, the first impeller sets 4, balancing frame 5, the second impeller sets 6 and power end and stopped successively
Throw-out collar 7；
First impeller sets 4 include the first axle sleeve 41, the first impeller 42, the second axle sleeve 43 and the successively from left to right
Two impellers 44, second impeller sets 6 include trilobed wheel 61, the 3rd axle sleeve 62, the 4th impeller 63, the successively from left to right
Four axle sleeves 64, the 5th impeller 65 and the 5th axle sleeve 66.
Preferably, the surface of bearing thrust disk 2 is provided with the annular groove that cross section is triangle.
Further, in the above-mentioned technical solutions, first impeller 42, second impeller 44, the trilobed wheel
61st, the 4th impeller 63 and the 5th impeller 65 are all double shrouded wheel.
Further, in the above-mentioned technical solutions, the rotor multi-diameter shaft 1 from left to right successively include the first rank axle 11,
Second-order axle 12, the 3rd rank axle 13, fourth order axle 14, the 5th rank axle 15, hexastep shaft 16, the 7th rank axle 17, the 8th rank axle 18,
9th rank axle 19, the tenth rank axle 10, the tenth single order axle 111, the tenth second order axle 112, the 13rd rank axle 113, the tenth quadravalence axle
114th, the 15th rank axle 115, the tenth hexastep shaft 116, the 17th rank axle 117, the 18th rank axle 118, the first rank axle 11,
The second-order axle 12, the 3rd rank axle 13, the fourth order axle 14, the 5th rank axle 15, the hexastep shaft 16, institute
State the 7th rank axle 17, the 8th rank axle 18, the 9th rank axle 19, the tenth rank axle 10, the and of the tenth single order axle 111
The diameter of the tenth second order axle 112 sequentially gradually increases, the tenth second order axle 112, the 13rd rank axle 113, described
Tenth quadravalence axle 114, the 15th rank axle 115, the tenth hexastep shaft 116, the 17th rank axle 117 and the described tenth
The diameter of eight rank axles 118 is sequentially gradually reduced.
Further, in the above-mentioned technical solutions, end cap 8 is fixed on the first rank axle 11 by the first alignment pin 81
On, end axle sleeve 9 is fixed on the right part of second-order axle 12 to the 3rd rank axle 13 by the second alignment pin 91, and the bearing pushes away
Power disk 2 is fixed on the fourth order axle 14 by square cotter 21.
Further, in the above-mentioned technical solutions, the left part of the 7th rank axle 17 sets multiple bulge loops, the 8th rank axle
18 outer surfaces set annular groove.
Further, in the above-mentioned technical solutions, the output end thrust ring 3 is fixed on described by the 3rd alignment pin 31
On 9th rank axle 19, first axle sleeve 41 and first impeller 42 are sequentially placed on the tenth rank axle 10 from left to right
On, second axle sleeve 43 and second impeller 44 are sequentially placed on the tenth single order axle 111 from left to right.
Further, in the above-mentioned technical solutions, the balancing frame 5 is placed on the 13rd rank axle 113 from right to left
On left end to the tenth second order axle 112, the surface of balancing frame 5 is provided with annular groove, the trilobed wheel 61, the described 3rd
Axle sleeve 62, the 4th impeller 63, the 4th axle sleeve 64, the 5th impeller 65 and the 5th axle sleeve 66 are sequentially placed on
On the 13rd rank axle 113 on the right side of balancing frame 5, the power end thrust ring 7 is fixed on by the 4th alignment pin 71
On the tenth quadravalence axle 114.
The surface of balancing frame 5 is uniformly arranged some annular grooves, and the lower edges of the axial cross section of balancing frame 5 are into saw
Dentation.
Further, in the above-mentioned technical solutions, the outer surface of the 15th rank axle 115 sets annular groove, and described the
The left part of ten hexastep shaft 116 sets multiple bulge loops.
Further, in the above-mentioned technical solutions, first impeller 42 includes the first front shroud 421, the first back shroud
422nd, the first blade 423 and first wheel 424, first back shroud 422 are placed on the tenth rank axle 10, and described first
Blade 423 is fixed on first back shroud 422, and first front shroud 421 is fixed on first blade 423, institute
State the inner side that first wheel 424 is fixed on first front shroud 421 and first back shroud 422, second impeller 44
It is identical with the structure of the first impeller 42.
Further, in the above-mentioned technical solutions, the trilobed wheel 61 includes the 3rd front shroud 611, the 3rd back shroud
612nd, third blade 613 and third round hub 614, the 3rd front shroud 611 is placed on the 13rd rank axle 113, described
Third blade 613 is fixed on the 3rd front shroud 611, and the 3rd back shroud 612 is fixed on the third blade 613
On, the third round hub 614 is fixed on the inner side of the 3rd front shroud 611 and the 3rd back shroud 612, the 4th leaf
Wheel 63 and the 5th impeller 65 are identical with the structure of trilobed wheel 61.
By adopting the above-described technical solution, a kind of centrifugal compressed machine rotor that the utility model is related to, in balancing frame two
Side sets the mode of impeller, balances direction of rotation and the revolving force of impeller, and then prevents exciting, impeller reasonable quantity,
Gases at high pressure can be provided, gas pressure ratio is high, saves power, and rotor multi-diameter shaft mid diameter is big, and both ends diameter is gradually reduced, dress
With facility, it is connected firmly.The utility model is applied to compressor accessory technical field, and prospect is used with wide.
It is described above, the only preferable specific implementation method of the utility model, but the scope of protection of the utility model and not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, all cover in the scope of protection of the utility model
Within.
Claims (10)
- A kind of 1. centrifugal compressed machine rotor, it is characterised in that：Including rotor multi-diameter shaft, on the rotor multi-diameter shaft from left to right according to It is secondary to be nested with bearing thrust disk, output end thrust ring, the first impeller sets, balancing frame, the second impeller sets and power end thrust ring；First impeller sets include the first axle sleeve, the first impeller, the second axle sleeve and the second impeller successively from left to right, and described Two impeller sets include trilobed wheel, the 3rd axle sleeve, the 4th impeller, the 4th axle sleeve, the 5th impeller and the 5th axle successively from left to right Set.
- 2. centrifugal compressed machine rotor according to claim 1, it is characterised in that：First impeller, second impeller, The trilobed wheel, the 4th impeller and the 5th impeller are all double shrouded wheel.
- 3. centrifugal compressed machine rotor according to claim 2, it is characterised in that：The rotor multi-diameter shaft is from left to right successively Including the first rank axle, second-order axle, the 3rd rank axle, fourth order axle, the 5th rank axle, hexastep shaft, the 7th rank axle, the 8th rank axle, 9th rank axle, the tenth rank axle, the tenth single order axle, the tenth second order axle, the 13rd rank axle, the tenth quadravalence axle, the 15th rank axle, the tenth Hexastep shaft, the 17th rank axle, the 18th rank axle, the first rank axle, the second-order axle, the 3rd rank axle, the described 4th Rank axle, the 5th rank axle, the hexastep shaft, the 7th rank axle, the 8th rank axle, the 9th rank axle, described The diameter of ten rank axles, the tenth single order axle and the tenth second order axle sequentially gradually increases, the tenth second order axle, described 13 rank axles, the tenth quadravalence axle, the 15th rank axle, the tenth hexastep shaft, the 17th rank axle and described The diameter of 18 rank axles is sequentially gradually reduced.
- 4. centrifugal compressed machine rotor according to claim 3, it is characterised in that：End cap is fixed on institute by the first alignment pin State on the first rank axle, end axle sleeve is fixed on the second-order axle right part to the 3rd rank axle by the second alignment pin, the axle Thrust disc is held to be fixed on the fourth order axle by square cotter.
- 5. centrifugal compressed machine rotor according to claim 3, it is characterised in that：The 7th rank axle left part sets multiple convex Ring, the 8th rank axle outer surface set annular groove.
- 6. centrifugal compressed machine rotor according to claim 3, it is characterised in that：The output end thrust ring is fixed by the 3rd Position pin is fixed on the 9th rank axle, and first axle sleeve and first impeller are sequentially placed on the described tenth from left to right On rank axle, second axle sleeve and second impeller are sequentially placed on the tenth single order axle from left to right.
- 7. centrifugal compressed machine rotor according to claim 3, it is characterised in that：The balancing frame is placed on institute from right to left The 13rd rank axle left end is stated to the tenth second order axle, the balance panel surface is provided with annular groove, the trilobed wheel, institute State the 3rd axle sleeve, the 4th impeller, the 4th axle sleeve, the 5th impeller and the 5th axle sleeve be sequentially placed on it is described On the 13rd rank axle on the right side of balancing frame, the power end thrust ring is fixed on the tenth quadravalence by the 4th alignment pin On axle.
- 8. centrifugal compressed machine rotor according to claim 3, it is characterised in that：The 15th rank axle outer surface sets ring Connected in star, the tenth hexastep shaft left part set multiple bulge loops.
- 9. centrifugal compressed machine rotor according to claim 3, it is characterised in that：First impeller includes the first protecgulum Plate, the first back shroud, the first blade and first wheel, first back shroud are placed on the tenth rank axle, and described first Blade is fixed on first back shroud, and first front shroud is fixed on first blade, and the first wheel is consolidated Due to the inner side of first front shroud and first back shroud, second impeller is identical with first blade wheel structure.
- 10. centrifugal compressed machine rotor according to claim 3, it is characterised in that：The trilobed wheel includes the 3rd protecgulum Plate, the 3rd back shroud, third blade and third round hub, the 3rd front shroud are placed on the 13rd rank axle, and described Three blades are fixed on the 3rd front shroud, and the 3rd back shroud is fixed in the third blade, the third round hub It is fixed on the inner side of the 3rd front shroud and the 3rd back shroud, the 4th impeller and the 5th impeller and described the Trilobed wheel structure is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720796331.XU CN207131633U (en) | 2017-07-03 | 2017-07-03 | A kind of centrifugal compressed machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720796331.XU CN207131633U (en) | 2017-07-03 | 2017-07-03 | A kind of centrifugal compressed machine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207131633U true CN207131633U (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720796331.XU Expired - Fee Related CN207131633U (en) | 2017-07-03 | 2017-07-03 | A kind of centrifugal compressed machine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207131633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253491A (en) * | 2020-09-03 | 2021-01-22 | 上海发电设备成套设计研究院有限责任公司 | Multistage centrifugal supercritical carbon dioxide compressor |
-
2017
- 2017-07-03 CN CN201720796331.XU patent/CN207131633U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253491A (en) * | 2020-09-03 | 2021-01-22 | 上海发电设备成套设计研究院有限责任公司 | Multistage centrifugal supercritical carbon dioxide compressor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20190703 |
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| CF01 | Termination of patent right due to non-payment of annual fee |