CN203547923U - Heavy-duty type gas turbine bearing stator with adjustable flow - Google Patents
Heavy-duty type gas turbine bearing stator with adjustable flow Download PDFInfo
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- CN203547923U CN203547923U CN201320621954.5U CN201320621954U CN203547923U CN 203547923 U CN203547923 U CN 203547923U CN 201320621954 U CN201320621954 U CN 201320621954U CN 203547923 U CN203547923 U CN 203547923U
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- bearing casing
- oil circuit
- bearing
- oil
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Abstract
The utility model discloses a heavy-duty type gas turbine bearing stator with adjustable flow. On the basis of an original structure, an adjuster I 25 is arranged in an oil way I 18, and the area of the oil way is changed by rotating the adjuster I 25 so as to adjust the flow. Similarly, an adjuster II 26 is arranged in an oil way II 19, and the oil supply quantity (namely the total flow of an oil way III 20 and an oil way IV 21) of the oil way II 19 can be adjusted by rotating the adjuster II 26; an adjuster III 27 is arranged on the oil way IV 21, the oil supply quantity of the oil way IV 21 can be adjusted by rotating the adjuster III 27 so as to meet the requirement of the oil supply quantity of a main thrust bearing 13, an auxiliary thrust bearing 11 and a radial bearing 15. The flow adjustment of all the oil ways in once flow test can be realized, after the adjustment on the oil supply quantity of all the oil ways is completed, the positions of the adjuster I 25, the adjuster II 26 and the adjuster III27 are locked, thus completing the assembling of the bearing stator. The heavy-duty type gas turbine bearing stator with adjustable flow can simultaneously adjust the three oil ways without the measures of repairing and the like, the flow test and assembling of the bearing stator can be simplified to a great extent, a great deal of assembling time can be saved, the assembling period can be shortened, and the assembling difficulty can be lowered.
Description
Technical field
The utility model belongs to gas turbine technology field, and a kind of heavy combustion engine Bearing Casing of capable of regulating flow quantity is provided especially.
Background technique
At present, gas turbine Bearing Casing regulates and controls by expanding each nozzle nozzle opening area for oil circuit lubricating oil amount.The shortcoming of this structure is that each influences each other larger for oil circuit lubricating oil amount, cannot accurately regulate lubricating oil amount, easily nozzle is caused the damage of unrepairable simultaneously, affect lubricating oil injection direction and speed and scrap, and the reaming of nozzle nozzle opening need to decompose Bearing Casing and pull down nozzle and carry out, thereby assembly period and cost have been increased.
Model utility content
The purpose of this utility model is to provide a kind of heavy combustion engine Bearing Casing of capable of regulating flow quantity, can effectively reduce loss, minimizing assembly period and the test number (TN) of nozzle.
The technical solution of the utility model is: a kind of heavy combustion engine Bearing Casing of capable of regulating flow quantity, comprise: end cap I 1, Bearing Casing I 2, Bearing Casing II 3, end cap II 4, Bearing Casing III 5, end cap III 6, described end cap I 1 and Bearing Casing I 2 are connected to form cavity I 7, described Bearing Casing I 2 and Bearing Casing II 3 are connected to form cavity II 8, described Bearing Casing III 5 is connected to form cavity III 9 with end cap II 4 and end cap III 6, and described Bearing Casing II 3 is connected with Bearing Casing III 5, nozzle I 10 and secondary thrust-bearing 11 are housed in described cavity I 7, nozzle II 12 and main thrust bearings 13 are housed in described cavity II 8, nozzle III 14 and radial bearing 15 are housed in described cavity III 9, in described Bearing Casing I 2, be provided with lubricating oil entrance 16 and the working connection 17 being connected with lubricating oil entrance 16, described working connection 17 is connected with oil circuit I 18 and oil circuit II 19, described oil circuit II 19 is connected with oil circuit III 20 and oil circuit IV 21, described oil circuit I 18 is given secondary thrust-bearing 11 fuel feeding through a plurality of nozzle I 10 respectively after the endless belt I 22 in Bearing Casing I 2, main thrust bearings 13 fuel feeding are given through a plurality of nozzle II 12 respectively again in described oil circuit Ⅱ19 mono-tunnel after the endless belt II 23 in oil circuit III 20 and Bearing Casing I 2, radial bearing 15 fuel feeding are given through a plurality of nozzle III 14 respectively again in another road after the endless belt III 24 in oil circuit IV 21 and Bearing Casing I 2, in described oil circuit I 18, be provided with regulator I 25, in described oil circuit II 19, be provided with regulator II 26, in described oil circuit III 20, be provided with regulator III 27.
Preferably, before described regulator III 27 is located at endless belt III 24.
Preferably, in described regulator I 25, regulator II 26, regulator III 27 one, a plurality of or whole inner end are cone, and outer end is external thread structure.
The utlity model has following positive effect:
The utility model can regulate and need not add the measures such as work three oil circuits simultaneously, makes to a great extent the flow test of Bearing Casing and assembling simplify, and has saved a large amount of installation times, has shortened assembly period, has reduced assembling difficulty.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of prior art;
Fig. 3 is the utility model main thrust bearings nozzle II distribution map;
Fig. 4 is the utility model radial bearing nozzle III distribution map;
Fig. 5 is the utility model flow test schematic diagram;
In figure: 1, end cap I; 2, Bearing Casing I; 3, Bearing Casing II; 4, end cap II; 5, Bearing Casing III; 6, end cap III; 7, cavity I; 8, cavity II; 9, cavity III; 10, nozzle I; 11, secondary thrust-bearing; 12, nozzle II; 13, main thrust bearings; 14, nozzle III; 15, radial bearing; 16, lubricating oil entrance; 17, working connection; 18, oil circuit I; 19, oil circuit II; 20, oil circuit III; 21, oil circuit IV; 22, endless belt I; 23, endless belt II; 24, endless belt III; 25, regulator I; 26, regulator II; 27, regulator III.
Embodiment
Below in conjunction with drawings and Examples, describe the present invention.
A kind of heavy combustion engine Bearing Casing of capable of regulating flow quantity, comprise: end cap I 1, Bearing Casing I 2, Bearing Casing II 3, end cap II 4, Bearing Casing III 5, end cap III 6, end cap I 1 and Bearing Casing I 2 are connected to form cavity I 7, Bearing Casing I 2 and Bearing Casing II 3 are connected to form cavity II 8, Bearing Casing III 5 is connected to form cavity III 9 with end cap II 4 and end cap III 6, and Bearing Casing II 3 is connected with Bearing Casing III 5, nozzle I 10 and secondary thrust-bearing 11 are housed in cavity I 7, nozzle II 12 and main thrust bearings 13 are housed in cavity II 8, nozzle III 14 and radial bearing 15 are housed in cavity III 9, in Bearing Casing I 2, be provided with lubricating oil entrance 16 and the working connection 17 being connected with lubricating oil entrance 16, working connection 17 is connected with oil circuit I 18 and oil circuit II 19, oil circuit II 19 is connected with oil circuit III 20 and oil circuit IV 21, oil circuit I 18 is given secondary thrust-bearing 11 fuel feeding through a plurality of nozzle I 10 respectively after the endless belt I 22 in Bearing Casing I 2, main thrust bearings 13 fuel feeding are given through a plurality of nozzle II 12 respectively again in oil circuit Ⅱ19 mono-tunnel after the endless belt II 23 in oil circuit III 20 and Bearing Casing I 2, radial bearing 15 fuel feeding are given through a plurality of nozzle III 14 respectively again in another road after the endless belt III 24 in oil circuit IV 21 and Bearing Casing I 2, in oil circuit I 18, be provided with regulator I 25, in oil circuit II 19, be provided with regulator II 26, in oil circuit III 20, be provided with regulator III 27.Before regulator III 27 is located at endless belt III 24.Regulator I 25, regulator II 26, regulator III 27 inner ends are cone, and outer end is external thread structure.
Totally ten four of nozzle II 12, are uniformly distributed along the circumference, and by screw, are connected with Bearing Casing II 3; Nozzle I 10 quantity and distribution are identical with nozzle II 12, by screw, are connected with end cap I 1; Totally five of nozzle III 14, are uniformly distributed along the circumference, and by nut, are connected with Bearing Casing III 5.
The utility model, on the basis of original structure, is provided with regulator I 25 in oil circuit I 18, changes fuel feeding road surface amass adjust flux by rotary actuator I 25.In like manner, in oil circuit II 19, be provided with regulator II 26, by rotary actuator II 26, regulate the fuel delivery (being oil circuit III 20 and oil circuit IV 21 flow summations) of oil circuit II 19; Oil circuit IV 21 is designed with regulator III 27, regulates the fuel delivery of oil circuit IV 21 by rotary actuator III 27, meets the fuel delivery requirement of main thrust bearings 13, secondary thrust-bearing 11 and radial bearing 15.Can realize so all oil circuits and complete Flow-rate adjustment in a flow test, after Ge road fuel delivery has regulated, the position of regulator I 25, regulator II 26, regulator III 27 be locked, complete this Bearing Casing assembling.
As shown in Figure 6, flow test flow process, describes in conjunction with original structure and new structure flow test difference.
1. while starting to carry out flow test, regulator I 25, regulator II 26, regulator III 27 are all transferred to maximum, prevent from damming, affect test result.
2. under inlet pressure P0=0.25 ± 0.01MPa pressure, in Bearing Casing parts, lead to lubricating oil, the pressure P 1 of recording manometer M1, measures lubricating oil total discharge G0 '.
3. with technique plug screw, oil circuit IV 21 is blocked, in Bearing Casing parts, lead to lubricating oil, pressure gauge M1 pressure is adjusted to P1, measure main thrust bearings 13, secondary thrust-bearing 11 flow sum G12 ', record inlet pressure P0.
4. regulator II 26 is pulled down, with technique plug screw, oil circuit II 19 is blocked, in Bearing Casing parts, pass into the lubricating oil that pressure is P0, measure secondary thrust-bearing 11 flow G1, as large in flow, rotary actuator I 25, makes flow G1 meet secondary thrust-bearing 11 traffic requirements.
5. the technique plug screw in oil circuit II 19 is pulled down, regulator II 26 is installed, adjust charge oil pressure, make the reading of pressure gauge M1 be adjusted to P1, measure main thrust bearings 13, secondary thrust-bearing 11 flow sum G12.As large in flow, rotary actuator II 26, makes flow G12 meet main thrust bearings 13, secondary thrust-bearing 11 traffic requirements.Main thrust bearings 13 flows are G2=G12-G1.
6. the technique plug screw in oil circuit IV 21 is pulled down, regulator III 27 is installed, under inlet pressure P0=0.25 ± 0.01MPa pressure, in Bearing Casing parts, lead to lubricating oil, measure total discharge G0.As large in flow, rotary actuator III 27, makes flow G0 meet total discharge requirement.Radial bearing 15 flows are G3=G0-G12.
7. after flow test completes, regulator I 25, regulator II 26, regulator III 27 is locked.
When original structure Bearing Casing carries out flow test, still by above-mentioned steps, undertaken, just there is no flow regulator, as defective in flow, can only decompose Bearing Casing and by under nozzle I 10, nozzle II 12, nozzle III 14 minutes, according to the concrete numerical value of G1, G2, G3 of measuring, by assignment of traffic, recalculate, nozzle opening to nozzle I 10, nozzle II 12, nozzle III 14 carries out reaming, as excessive in the aperture of nozzle, reaming can not realize the traffic requirement of bearing, must design restricting orifice or again manufacture nozzle.After reaming completes, Bearing Casing recovers assembling, re-starts flow test, until flow test meets the demands by above-mentioned steps.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (3)
1. the heavy combustion engine Bearing Casing of a capable of regulating flow quantity, comprise: end cap I (1), Bearing Casing I (2), Bearing Casing II (3), end cap II (4), Bearing Casing III (5), end cap III (6), described end cap I (1) and Bearing Casing I (2) are connected to form cavity I (7), described Bearing Casing I (2) and Bearing Casing II (3) are connected to form cavity II (8), described Bearing Casing III (5) is connected to form cavity III (9) with end cap II (4) and end cap III (6), described Bearing Casing II (3) is connected with Bearing Casing III (5), nozzle I (10) and secondary thrust-bearing (11) are housed in described cavity I (7), nozzle II (12) and main thrust bearings (13) are housed in described cavity II (8), nozzle III (14) and radial bearing (15) are housed in described cavity III (9), in described Bearing Casing I (2), be provided with lubricating oil entrance (16) and the working connection (17) being connected with lubricating oil entrance (16), described working connection (17) is connected with oil circuit I (18) and oil circuit II (19), described oil circuit II (19) is connected with oil circuit III (20) and oil circuit IV (21), described oil circuit I (18) is given secondary thrust-bearing (11) fuel feeding through a plurality of nozzle I (10) respectively after the endless belt I (22) in Bearing Casing I (2), main thrust bearings (13) fuel feeding is given through a plurality of nozzle II (12) respectively again in described oil circuit II (19) one tunnels after the endless belt II (23) in oil circuit III (20) and Bearing Casing I (2), radial bearing (15) fuel feeding is given through a plurality of nozzle III (14) respectively again in another road after the endless belt III (24) in oil circuit IV (21) and Bearing Casing I (2), it is characterized in that, in described oil circuit I (18), be provided with regulator I (25), in described oil circuit II (19), be provided with regulator II (26), in described oil circuit III (20), be provided with regulator III (27).
2. according to the heavy combustion engine Bearing Casing of a kind of capable of regulating flow quantity claimed in claim 1, it is characterized in that, described regulator III (27) is located at endless belt III (24) before.
3. according to the heavy combustion engine Bearing Casing of a kind of capable of regulating flow quantity described in claim 1 or 2, it is characterized in that, in described regulator I (25), regulator II (26), regulator III (27) one, a plurality of or whole inner end are cone, and outer end is external thread structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621954.5U CN203547923U (en) | 2013-10-09 | 2013-10-09 | Heavy-duty type gas turbine bearing stator with adjustable flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621954.5U CN203547923U (en) | 2013-10-09 | 2013-10-09 | Heavy-duty type gas turbine bearing stator with adjustable flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547923U true CN203547923U (en) | 2014-04-16 |
Family
ID=50466051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320621954.5U Expired - Fee Related CN203547923U (en) | 2013-10-09 | 2013-10-09 | Heavy-duty type gas turbine bearing stator with adjustable flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837554A (en) * | 2017-02-16 | 2017-06-13 | 中国航发沈阳发动机研究所 | A kind of many specking fuel feeding oil mass distribution methods of engine driving system |
-
2013
- 2013-10-09 CN CN201320621954.5U patent/CN203547923U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837554A (en) * | 2017-02-16 | 2017-06-13 | 中国航发沈阳发动机研究所 | A kind of many specking fuel feeding oil mass distribution methods of engine driving system |
| CN106837554B (en) * | 2017-02-16 | 2019-04-23 | 中国航发沈阳发动机研究所 | A kind of more specking fuel feeding oil mass distribution methods of engine driving system |
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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: 20140416 Termination date: 20171009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |