CN114776700A - Tilting-pad type supporting thrust composite bearing of high-power steam turbine - Google Patents
Tilting-pad type supporting thrust composite bearing of high-power steam turbine Download PDFInfo
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- CN114776700A CN114776700A CN202210477330.4A CN202210477330A CN114776700A CN 114776700 A CN114776700 A CN 114776700A CN 202210477330 A CN202210477330 A CN 202210477330A CN 114776700 A CN114776700 A CN 114776700A
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- bearing
- thrust
- oil inlet
- tilting
- tilting pad
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- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 29
- 239000007924 injection Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical group 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 59
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/03—Sliding-contact bearings for exclusively rotary movement for radial load only with tiltably-supported segments, e.g. Michell bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/1045—Details of supply of the liquid to the bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a tilting pad type supporting thrust composite bearing of a high-power steam turbine, which relates to the technical field of composite bearings and comprises a bearing sleeve ring, wherein a radial bearing and two groups of thrust bearings are arranged in the whole bearing sleeve ring, the radial bearing adopts a tilting pad structure, the two groups of thrust bearings are respectively provided with a plurality of groups of first oil injection structures, the radial bearing is provided with a plurality of groups of second oil injection structures, the radial bearing consists of a plurality of tilting pad blocks, each tilting pad block is connected with a spherical support, the bottom end of each spherical support is matched with the tilting pad block by spherical matching, and the top end of each spherical support is fixed on the bearing sleeve ring; the problem of among the large-scale unit in the prior art support and main, vice thrust bearing often adopt split type structure, its size shape is big, accumulated processing and assembly error are big, cause the possibility that the complete machine precision became invalid to increase is solved.
Description
Technical Field
The invention relates to the technical field of composite bearings, in particular to a tilting-pad type supporting thrust composite bearing of a high-power steam turbine
Background
The high-power steam turbine is known as a crown in the equipment manufacturing industry as a heavy device in large countries. Under the background of national energy structure adjustment, double-carbon and high-end equipment manufacturing import substitution and the like, the steam turbine industry has great development potential and is in a rapid rising stage, and the method is beneficial to driving chain extension and high-end upgrading of the high-end equipment manufacturing industry in the industrial field.
The high-power turbine sliding bearing adopts a fluid dynamic pressure bearing, and comprises a tilting pad type supporting (radial) bearing and a thrust bearing. The radial bearing mainly supports the rotor, and provides the functions of supporting rigidity, bearing radial load, reducing vibration and absorbing shock, and ensuring the stability and the running precision of the rotor; the thrust bearing mainly bears the axial load of the rotor and has the limiting function, the thrust surface of the thrust bearing forms a relative dead point of the whole shafting of the steam turbine, the axial specific pressure to be born by the thrust bearing can reach 2.8MPa, the rotating speed can reach 3000-15000 r/min, and the thrust bearing belongs to the working condition of high-speed heavy load.
In engineering application, the use problem of the tilting pad sliding bearing with the traditional structure is usually solved by adjusting parameter conditions, for example, for the overheating of the bearing pad, an engineer adopts the method of increasing the oil inlet amount and increasing the clearance to solve the problem of temperature rise, and thus, the engineering experience of the limited type does not improve the fundamental performance of the sliding bearing at the cost of increasing the power consumption, increasing the thermal lubrication, and reducing the rotation precision and the bearing rigidity of the bearing support. Meanwhile, the support, the main thrust bearing and the auxiliary thrust bearing in a large unit are in a split structure, the size and the shape of the split structure are large, and accumulated machining and assembling errors are large, so that the possibility of complete machine accuracy failure is increased.
Disclosure of Invention
The embodiment of the invention provides a tilting pad type supporting thrust composite bearing of a high-power steam turbine, which aims to solve the problem that the probability of complete machine precision failure is increased due to the fact that supporting, main thrust bearing and auxiliary thrust bearing in a large unit in the background technology are in split structures, the size and the shape are large, and accumulated machining and assembling errors are large.
The embodiment of the invention adopts the following technical scheme: the utility model provides a high-power steam turbine tilting pad type supports thrust composite bearing, includes the bearing sleeve ring, the bearing sleeve ring is whole to be equipped with journal bearing and two sets of thrust bearing, journal bearing adopts the tilting pad structure, and is two sets of all be equipped with the first oil spout structure of multiunit on the thrust bearing, the multiunit the equal evenly distributed of first oil spout structure is on thrust bearing, be equipped with multiunit second oil spout structure on the journal bearing, journal bearing comprises a plurality of tilting pad pieces, every all be connected with spherical support on the tilting pad piece, and every spherical support's bottom all adopts spherical cooperation and tilting pad piece cooperation, every spherical support's top is all fixed on the bearing sleeve ring, every group the second oil spout structure all is located between two tilting pad pieces.
Each group the first oil injection structure is composed of a first oil inlet hole, a connecting pipe and an oil inlet groove, the first oil inlet hole is located on one side of the thrust bearing, the connecting pipe is arranged inside the thrust bearing, the first oil inlet hole is connected with one end of the connecting pipe, the oil inlet groove is located on the other side of the thrust bearing, and the other end of the connecting pipe is communicated with the oil inlet groove.
The second oil injection structure is composed of a fixing bolt and an oil inlet block, the oil inlet block is located between the two tilting pad blocks, the fixing bolt is arranged above the oil inlet block and arranged in the bearing sleeve ring, a second oil inlet hole is formed in the fixing bolt, a plurality of oil injection holes are formed in the oil inlet block, and the fixing bolt is communicated with the inside of the oil inlet block.
The bearing lantern ring is made of integral forging alloy steel.
The seal ring is disposed at an intermediate position within the bearing collar and is positioned between the two thrust bearings and the radial bearing.
The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:
first, the radial bearing and the thrust bearing are designed into an integrated structure, so that compared with the problem that the possibility of complete machine accuracy failure is increased due to large size and shape, large accumulated processing and assembly errors and the like because a split structure is adopted for the support, the main thrust bearing and the auxiliary thrust bearing in a large-scale unit in the prior art, the radial bearing and the main thrust bearing and the auxiliary thrust bearing are compact in structure and convenient to install, use and maintain, and the practicability of the thrust bearing is improved.
Secondly, in the invention, the radial bearing tilting pad adopts a spherical support structure, has extremely high support rigidity and higher bearing capacity, and is completely suitable for machine equipment under high-power heavy-load working conditions.
Thirdly, in the invention, the radial bearing and the thrust bearing both adopt a direct injection type lubricating structure, thereby reducing the hot oil turbulence loss and improving the cooling efficiency of the lubricating oil;
fourthly, the radial bearing and the thrust bearing have high degree of freedom, can be adjusted in a self-adaptive manner according to the running state of the rotor, and are better suitable for the installation of a large-scale unit caused by processing, installation or other reasons, such as the problem of rotor deflection caused by the fact that two ends of the rotor are not concentric and a multi-shaft rotor is not aligned to a medium position, so that the practicability of the invention is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a perspective view of a thrust bearing of the present invention;
FIG. 4 is a schematic view of a portion of a thrust bearing according to the present invention;
FIG. 5 is a perspective view of a second fuel injection configuration of the present invention at a first angle;
fig. 6 is a perspective view of a second angle of a second fuel injection configuration according to the present invention.
Reference numerals are as follows: the bearing comprises a bearing lantern ring 1, a thrust bearing 2, a first oil injection structure 3, a first oil inlet hole 31, a connecting pipe 32, an oil inlet groove 33, a radial bearing 4, a tilting pad 41, a spherical support 42, a second oil injection structure 5, a fixing bolt 51, an oil inlet block 52, a second oil inlet hole 53, an oil injection hole 54 and a sealing ring 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1-6, an embodiment of the present invention provides a tilting pad type supporting thrust composite bearing for a high power steam turbine, including a bearing collar 1, the bearing lantern ring 1 is internally provided with a radial bearing 4 and two groups of thrust bearings 2 in a whole, the radial bearing 4 adopts a tilting pad structure, the two groups of thrust bearings 2 are respectively provided with a plurality of groups of first oil injection structures 3, the plurality of groups of first oil injection structures 3 are uniformly distributed on the thrust bearings 2, a plurality of groups of second oil injection structures 5 are arranged on the radial bearing 4, the radial bearing 4 is composed of a plurality of tilting pads 41, each tilting pad 41 is connected with a spherical support 42, the bottom end of each spherical bracket 42 is matched with the tilting pad 41 in a spherical fit manner, the top end of each spherical bracket 42 is fixed on the bearing lantern ring 1, and each group of second oil injection structures 5 is located between two tilting pads 41; according to the invention, the radial bearing 4 is formed by matching a plurality of tilting pads 41 with the bearing lantern ring 1, the tilting pads 41 have high degree of freedom through a back spherical matching surface, and are better adapted to the deflection of a rotor, meanwhile, the spherical support has higher support rigidity and higher bearing capacity compared with point support and line support, and is suitable for a high-power heavy-load working condition, the aligning type radial bearing 4 is matched with the improved thrust bearing 2 structure of Kisbury type to form a self-aligning system, so that the special working conditions of deflection and non-medium of the rotor are met, the spherical pivot and the bearing lantern ring 1 are fastened through screws and apply pre-tightening, the radial bearing 4 is provided with the second oil injection structure 5, the direct injection type radial bearing 4 has excellent lubricating performance, the hot oil turbulence loss is reduced, and the lubricating oil cooling efficiency is improved; the invention solves the problem that the support, the main thrust bearing and the auxiliary thrust bearing 2 in a large-scale unit in the prior art are usually in split structures, the size and the shape are large, the accumulated processing and assembling errors are large, and the possibility of the complete machine accuracy failure is increased, and in addition, a plurality of groups of first oil injection structures 3 and second oil injection structures 5 are respectively arranged in the thrust bearing 2 and the radial bearing 4, so the problems of overheating of a bearing bush, oil inlet amount increase and clearance increase for solving the temperature rise in the prior art are solved, and the problems that the power consumption is increased, the thermal lubrication is increased, the bearing support rotation accuracy and the bearing rigidity are reduced are solved, and the limitation engineering experience does not improve the fundamental performance of the sliding bearing.
Specifically, as shown in fig. 2 to 4, each set of the first oil injection structures 3 is composed of a first oil inlet hole 31, a connecting pipe 32 and an oil inlet groove 33, the first oil inlet hole 31 is located on one side of the thrust bearing 2, the connecting pipe 32 is disposed inside the thrust bearing 2, the first oil inlet hole 31 is connected to one end of the connecting pipe 32, the oil inlet groove 33 is located on the other side of the thrust bearing 2, and the other end of the connecting pipe 32 is communicated with the oil inlet groove 33; in the present invention, the lubricating oil is introduced into the bearing collar 1 through the connection between the bearing collar 1 and the external oil valve, and the lubricating oil is introduced into the connection pipe 32 through the first oil inlet hole 31, and then introduced into the oil inlet groove 33 through the connection pipe 32, and uniformly sprinkled between the thrust bearing 2 and the shaft along with the rotation of the thrust bearing 2.
Specifically, referring to fig. 5 to 6, the second oil injection structure 5 is composed of a fixing bolt 51 and an oil inlet block 52, the oil inlet block 52 is located between the two tilting pads 41, the fixing bolt 51 is disposed above the oil inlet block 52, the fixing bolt 51 is disposed in the bearing collar 1, a second oil inlet hole 53 is disposed in the fixing bolt 51, a plurality of oil injection holes 54 are disposed in the oil inlet block 52, and the fixing bolt 51 is in a communication state with the inside of the oil inlet block 52; in the present invention, the oil inlet block 52 is fixed on the bearing collar 1 by the fixing bolt 51, and the tilting pad 41 is also fixed on the bearing collar 1 by the spherical bracket 42, so that the two are mutually matched and can not interfere with each other.
Specifically, referring to fig. 1-2, the bearing collar 1 is made of integral forged alloy steel, and has extremely high structural strength and rigidity.
In particular, with reference to fig. 2, the sealing ring 6 is arranged at an intermediate position within the bearing collar 1, and the sealing ring 6 is located between the two thrust bearings 2 and the radial bearing 4; the radial bearing 4 and the oil cavity of the thrust bearing 2 are blocked by the floating sealing ring 6, so that hot oil in the radial bearing 4 is prevented from entering the cavity of the thrust bearing 2, and the hot oil between the radial bearing 4 and the cavity of the thrust bearing 2 cannot interfere with each other.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The tilting pad type supporting thrust composite bearing of the high-power steam turbine is characterized by comprising a bearing sleeve ring (1), wherein a radial bearing (4) and two groups of thrust bearings (2) are arranged in the whole bearing sleeve ring (1), the radial bearing (4) adopts a tilting pad structure, the two groups of thrust bearings (2) are respectively provided with a plurality of groups of first oil injection structures (3), the plurality of groups of first oil injection structures (3) are uniformly distributed on the thrust bearings (2), the radial bearing (4) is provided with a plurality of groups of second oil injection structures (5), the radial bearing (4) consists of a plurality of tilting pad blocks (41), each tilting pad block (41) is connected with a spherical support (42), the bottom end of each spherical support (42) is matched with the tilting pad block (41) through spherical surface matching, and the top end of each spherical support (42) is fixed on the bearing sleeve ring (1), each set of the second oil injection structures (5) is positioned between two tilting pads (41).
2. The tilting pad type supporting thrust composite bearing for the high-power steam turbine according to claim 1, wherein each set of the first oil injection structures (3) is composed of a first oil inlet hole (31), a connecting pipe (32) and an oil inlet groove (33), the first oil inlet hole (31) is located on one side of the thrust bearing (2), the connecting pipe (32) is arranged inside the thrust bearing (2), the first oil inlet hole (31) is connected with one end of the connecting pipe (32), the oil inlet groove (33) is located on the other side of the thrust bearing (2), and the other end of the connecting pipe (32) is communicated with the oil inlet groove (33).
3. The tilting pad type support thrust composite bearing for the high-power steam turbine according to claim 2 is characterized in that the second oil injection structure (5) is composed of a fixed bolt (51) and an oil inlet block (52), the oil inlet block (52) is located between the two tilting pads (41), the fixed bolt (51) is arranged above the oil inlet block (52), the fixed bolt (51) is arranged in the bearing collar (1), a second oil inlet hole (53) is arranged in the fixed bolt (51), a plurality of oil injection holes (54) are arranged in the oil inlet block (52), and the fixed bolt (51) is communicated with the inside of the oil inlet block (52).
4. A tilting-pad type support thrust composite bearing for a high power steam turbine according to claim 3, characterized in that the bearing collar (1) is made of integral forged alloy steel.
5. A tilting-pad type support thrust compound bearing for high power steam turbines according to claim 4, characterized in that said sealing ring (6) is arranged in the bearing collar (1) in an intermediate position, and said sealing ring (6) is located between the two thrust bearings (2) and the radial bearing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477330.4A CN114776700A (en) | 2022-05-04 | 2022-05-04 | Tilting-pad type supporting thrust composite bearing of high-power steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477330.4A CN114776700A (en) | 2022-05-04 | 2022-05-04 | Tilting-pad type supporting thrust composite bearing of high-power steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114776700A true CN114776700A (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210477330.4A Pending CN114776700A (en) | 2022-05-04 | 2022-05-04 | Tilting-pad type supporting thrust composite bearing of high-power steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776700A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320016A (en) * | 1995-05-24 | 1996-12-03 | Mitsubishi Heavy Ind Ltd | Tilting pad thrust bearing |
| JP2009257445A (en) * | 2008-04-16 | 2009-11-05 | Mitsubishi Heavy Ind Ltd | Tilting pad thrust bearing |
| WO2012175068A1 (en) * | 2011-06-24 | 2012-12-27 | Zollern Bhw Gleitlager Gmbh & Co. Kg | Tilting-segment bearing |
| CN106640973A (en) * | 2016-12-22 | 2017-05-10 | 湖南崇德工业科技有限公司 | Oil nozzle and bearing provided with same |
| CN207005105U (en) * | 2017-07-07 | 2018-02-13 | 沈阳鼓风机集团齿轮压缩机有限公司 | A kind of thrust slide bearing for rotating machinery |
| CN207421120U (en) * | 2017-11-21 | 2018-05-29 | 哈尔滨汽轮机厂有限责任公司 | A kind of steam turbine supports joint bearing with large-scale thrust |
| CN108591245A (en) * | 2018-03-17 | 2018-09-28 | 北京化工大学 | A kind of tilting bush sliding bearing nozzle with elastic deep fat partition apparatus |
| CN111473042A (en) * | 2020-04-28 | 2020-07-31 | 宜兴市环宇轴瓦制造有限公司 | Tilting pad supporting thrust combined bearing of steam turbine |
| CN213575151U (en) * | 2020-11-11 | 2021-06-29 | 宜兴市环宇轴瓦制造有限公司 | Water-lubricated tilting pad supporting thrust bearing |
| CN214424902U (en) * | 2020-12-28 | 2021-10-19 | 西安陕鼓动力股份有限公司 | Combined bearing and steam turbine |
| CN113669361A (en) * | 2021-08-10 | 2021-11-19 | 青岛科技大学 | Tilting pad bearing capable of actively controlling radial clearance |
-
2022
- 2022-05-04 CN CN202210477330.4A patent/CN114776700A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320016A (en) * | 1995-05-24 | 1996-12-03 | Mitsubishi Heavy Ind Ltd | Tilting pad thrust bearing |
| JP2009257445A (en) * | 2008-04-16 | 2009-11-05 | Mitsubishi Heavy Ind Ltd | Tilting pad thrust bearing |
| WO2012175068A1 (en) * | 2011-06-24 | 2012-12-27 | Zollern Bhw Gleitlager Gmbh & Co. Kg | Tilting-segment bearing |
| CN106640973A (en) * | 2016-12-22 | 2017-05-10 | 湖南崇德工业科技有限公司 | Oil nozzle and bearing provided with same |
| CN207005105U (en) * | 2017-07-07 | 2018-02-13 | 沈阳鼓风机集团齿轮压缩机有限公司 | A kind of thrust slide bearing for rotating machinery |
| CN207421120U (en) * | 2017-11-21 | 2018-05-29 | 哈尔滨汽轮机厂有限责任公司 | A kind of steam turbine supports joint bearing with large-scale thrust |
| CN108591245A (en) * | 2018-03-17 | 2018-09-28 | 北京化工大学 | A kind of tilting bush sliding bearing nozzle with elastic deep fat partition apparatus |
| CN111473042A (en) * | 2020-04-28 | 2020-07-31 | 宜兴市环宇轴瓦制造有限公司 | Tilting pad supporting thrust combined bearing of steam turbine |
| CN213575151U (en) * | 2020-11-11 | 2021-06-29 | 宜兴市环宇轴瓦制造有限公司 | Water-lubricated tilting pad supporting thrust bearing |
| CN214424902U (en) * | 2020-12-28 | 2021-10-19 | 西安陕鼓动力股份有限公司 | Combined bearing and steam turbine |
| CN113669361A (en) * | 2021-08-10 | 2021-11-19 | 青岛科技大学 | Tilting pad bearing capable of actively controlling radial clearance |
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