CN105134782A - Bearing pad oil baffle ring - Google Patents
Bearing pad oil baffle ring Download PDFInfo
- Publication number
- CN105134782A CN105134782A CN201410724732.5A CN201410724732A CN105134782A CN 105134782 A CN105134782 A CN 105134782A CN 201410724732 A CN201410724732 A CN 201410724732A CN 105134782 A CN105134782 A CN 105134782A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- ring
- flinger
- convex shoulder
- outer shroud
- 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.)
- Granted
Links
Landscapes
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The present invention relates to a bearing pad oil baffle ring including an inner ring, an outer ring, a locating pin and a fastening screw (7), the locating pin and the fastening screw are located between the inner ring and the outer ring, the bearing pad oil baffle ring is characterized in that: an inner ring binding surface (14) fixed connection way is designed from a bolt fixed connection way to a plug fixed connection way, namely, an inner ring upper half part (2) and inner ring lower half part (3) binding surface (14) is respectively provided with a convex shoulder groove (9) and a convex shoulder (12), and is also provided with the locating pin and a punching pin (8) for connecting, locating and preventing circumferential rotation, the grove width of the convex shoulder groove (9) on the inner ring is widened to prevent shearing damage of the punching pin (8), the width of a convex shoulder at the position of an outer ring locating part hole of the outer ring is correspondingly increased, a de-weight groove (13) is arranged on the inner ring, the bearing pad oil baffle ring has the characteristics of simple structure, safe use, easy installation, high strength and the like.
Description
Technical field
The present invention relates to steam turbine generator technical field, particularly can be widely used in a kind of bearing shell flinger ring of 600MW Turbo-generator Set.
Background technique
At present; the each electricity power enterprise in whole nation unit operation runs 600MW Turbo-generator Set; the situation that the often generation flinger ring body that is in operation goes wrong; normally an axle system watt unexpected axle shakes bigger than normal; different sound in bearing housing with metal knock; because the fracture of flinger ring inner ring or flinger ring junction plane clamping bolt come off in stopping process, make watt internal drop low, in coasting operation process, easily cause bearing shell burning problems.Could not solve this problem after repeatedly changing bearing shell flinger ring inner ring, this explanation is not the fault because installation quality causes.Measure through coordinating bearing shell flinger ring inner ring and flinger ring outer shroud, find that flinger ring inner ring radial detents exists some problems with flinger ring external loop diameter to the degree of depth that coordinates between locating stud, also can only extend the damage cycle although each power plant can take some measures and can not thoroughly solve.These situations illustrate, electricity power enterprise Turbo-generator Set in running often because the problem of flinger ring or fault cause a watt axle for unit to shake in excessive, bearing housing the accidents such as different sound, tile kilning.Present stage, the sealing means that Turbo-generator Set both domestic and external or big-and-middle-sized rotating machine bush mechanical seal device normally adopt dynamic and static flinger ring to match, but due to the cylindrical body that static oil retainer ring is straight, the lubricant oil be splashed on stationary ring can not freely flow back into bottom bearing shell end cover inwall, makes the junction point of end cover and rotating shaft that leakage of oil or oil impregnate often occur; In addition, because dynamic and static flinger ring is steel body part, when make a connection vibration time, dynamic and static ring axle radial clearance zero or too small Spielpassung time can there is serious friction and cause damage.But investigation finds, the outer shroud locating stud breakage problem of electricity power enterprise's Turbo-generator Set emerged in operation flinger ring or fault cause a watt axle for unit to shake in excessive, bearing housing the accidents such as different sound, tile kilning often.Such as, therefore, how to solve during Turbo-generator Set is run and often occur that unexpected axle shakes bigger than normal, simultaneously with sound different in bearing housing, the accidents such as tile kilning have become problem in the urgent need to address at present.
Summary of the invention
The object of the invention is: improve for existing the problems referred to above, design provides structure simple, can meet design requirement, security of operation, can effectively avoid, because flinger ring inner ring fault causes a unit watt axle to shake the accident such as different sound, tile kilning in excessive, bearing housing, a kind of bearing shell flinger ring of 600MW Turbo-generator Set can being widely used in.
The technical solution adopted for the present invention to solve the technical problems is: a kind of bearing shell flinger ring, comprise the inner ring of the inner ring first half 2 and inner ring Lower Half 3 formation, the outer shroud that the outer shroud first half 1 and outer shroud Lower Half 4 are formed, the locating stud of inner ring and outer interannular and fastening screw trip bolt 7, it is characterized in that: it is that grafting is fixedly connected with mode that the inner ring first half 2 is connected and fixed patten's design with the mode that is fixedly connected with of the junction plane 14 of inner ring Lower Half 3 by bolt, namely convex shoulder groove 9 and convex shoulder 12 are set respectively on the inner ring first half 2 and inner ring Lower Half 3 junction plane 14, and, the locating stud 10 and perforated pins 8 that connect and locate and prevent from rotating in a circumferential direction are set, simultaneously, cut off to damage for preventing perforated pins 8 and the groove width of the convex shoulder groove 9 in inner ring is broadened, the width of piece bores place, the outer shroud location convex shoulder of corresponding increase outer shroud, as Figure 1-10 shows.
The first half 2 of said inner ring and the centre of inner ring Lower Half 3 arrange duplicate removal groove 13 respectively, as Figure 1-10 shows.It is that grafting is fixedly connected with mode and can increases flinger ring inner ring weight that the mode that is fixedly connected with of the inner ring first half 2 mentioned here and inner ring Lower Half 3 two-part junction plane and junction plane 14 is connected and fixed patten's design by bolt, again duplicate removal on the basis ensureing flinger ring intensity is taked in duplicate removal design, namely in calculating watt, can the oil pressure jack-up flinger ring that be in operation be formed after oil film, in the centre of inner ring, duplicate removal groove 13 is set, it is that grafting is fixedly connected with mode and can increases flinger ring inner ring weight that the mode that is fixedly connected with due to the inner ring first half 2 and inner ring Lower Half 3 two-part junction plane and junction plane 14 is connected and fixed patten's design by bolt, again after duplicate removal design, calculate chain rate former flinger ring inner ring weight in new bearing shell flinger ring, during specific design is produced, through adjust watt in oil pressure can be in operation jack-up bearing shell flinger ring formed oil film, take on the basis ensureing bearing shell flinger ring intensity through duplicate removal design, power plant's security of operation can be met.Adjust this weight and can meet in operation the needs setting up oil film, the Security of unit can not be affected.Redesigning rear axle eaves tile oil ring inner ring weight change is mainly transforming in bearing shell flinger ring body process on the impact that shaft system of unit vibrates, the impact that after emphasis solves the transformation of bearing shell flinger ring inner ring, the change of weight is shaken on unit axle, after adjusting, unit axle can not be affected within the scope of 2 kilograms to shake problem, but can prerequisite is oil pressure in bearing shell be in operation jack-up flinger ring inner ring, sets up good oil film.Through practice, can the rear flinger ring inner ring weight change of transformation meet in operation sets up stable oil film, through designing the safe operation that can ensure flinger ring inner ring under oil group adjusts this weight, the safe operation of flinger ring inner ring can be ensured under the lubricant oil main-piping pressure of 0.1-0.14MPa, flinger ring inner ring coal wear problem can not be caused because of weight increase.The structural feature of this flinger ring determines this flinger ring and is equivalent to extremely narrow circular journal bearing, and its operating conditions is contrary with plain bearing, and plain bearing is lower watt of carrying, and this flinger ring is first carrying.The calculating of bearing bearing is carried now at home and abroad all without ripe computational methods in pole, and result of calculation and actual motion state differ greatly, main cause be lubricant oil when width is little, its oil film composition is extremely complicated, and concrete modelling is very difficult.After the processing of this flinger ring, in existing operating unit, carry out installation testing, in the strict detection rotor vibration of duration of test, bearing shell vibration, watt temperature change etc., in monitoring bearing case, whether there is the appearance of the situations such as noise simultaneously.Through the operation of about a year, its rotor diameter of axle, bearing metal, flinger ring alloy etc. have no noticeable wear, and on flinger ring, stop pin, ring body structurc are stablized simultaneously, illustrate that unit is in running, set up good oil film between flinger ring and the rotor diameter of axle, flinger ring is working properly.In addition, selection is that inner ring selects special material to be combined with tungsten metallographic, is mainly applicable to 600MW steam turbine set bearing shell flinger ring and improves, and certainly, also may be used for other steam turbine set bearing shell flinger rings such as 300MW and improves.In addition, saidly diameter of axle gap is adopted to be 0.81-0.91 millimeter by ring design in the flinger ring inner ring first half 2 and flinger ring inner ring Lower Half 3 are formed.Fault data before the group transformation of citing power plant is example, sets forth the effect after process transformation process.Flinger ring body is in operation produced problem; this flinger ring body is in operation and often occurs that abnormal conditions cardinal symptom is that an axle system watt unexpected axle shakes bigger than normal; different sound in bearing housing with metal knock; because the fracture of flinger ring inner ring or flinger ring junction plane clamping bolt come off in stopping process; make watt internal drop low, in coasting operation process, easily cause bearing shell burning problems, table 1 to shake value for unit axle before chaser; table 2 to shake value for unit axle after chaser, table 3 for transformation afterwards unit axle to shake value.From above-mentioned data with producing, after changing the bearing shell flinger ring inner ring and outer shroud of producing designed by this technology, just can meet safe operation and effectively avoid because flinger ring inner ring fault causes a unit watt axle to shake in excessive, bearing housing the accidents such as different sound, tile kilning.
Before table 1 chaser, unit axle shakes value
After table 2 chaser, unit axle shakes value
Table 3 is transformed rear unit axle and to be shaken value
The beneficial effect of this technology is compared had feature with existing technology in other words and is: 1, by solving the fracture of flinger ring inner ring after design improvement and junction plane connecting bolt gets loose strength problem; 2, to solve in operation because the fracture of flinger ring inner ring and junction plane connecting bolt come off and cause shaft system of unit localized vibration to exceed standard by design improvement, threaten the problem of unit safety operation; 3, eliminate because of flinger ring inner ring 1 junction plane bolt run get loose or flinger ring inner ring rupture suddenly after fragment too much cause unit damage serious accident occur hidden danger; 4, through experimental verification, flinger ring inner ring is in operation and can sets up good oil film, oil film can not cannot be set up and the coal that weares and teares because of weight increase, but, every platform Transformation of Unit flinger ring body, quantity is different, and the running state of every cover watt also there are differences, and needs the test through a turn(a)round to confirm whether have problems.Integral replacing is wanted in suggestion.In a word.It is simple that this technology has structure, use safety, is convenient to install, intensity high.
Accompanying drawing explanation
Fig. 1 is overall plan view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the D partial enlarged view of Fig. 1.
Fig. 4 is the outer shroud plan view of Fig. 1.
Fig. 5 is outer shroud outer shroud B-B sectional view of the present invention.
Fig. 6 is inner ring plan view of the present invention.
Fig. 7 is inner ring C-C sectional view of the present invention.
Fig. 8 is inner ring plan view of the present invention.
Fig. 9 is that inner ring E of the present invention is to diagram.
Figure 10 is inner ring F partial enlarged drawing of the present invention.
In figure: the 1 outer shroud first half (or being called the bearing shell flinger ring outer shroud first half), the 2 inner ring first halves (or being called the bearing shell flinger ring inner ring first half), 3 inner ring Lower Halves (or being called bearing shell flinger ring inner ring Lower Half), 4 outer shroud Lower Halves (or being called bearing shell flinger ring outer shroud Lower Half), 5 fixed holes, 6 oil drainage holes, 7 fastening screw trip bolts, 8 perforated pins, 9 convex shoulder grooves (flinger ring inner ring convex shoulder positioning groove), 10 locating studs, 11 pinned holes, 12 convex shoulders (inner ring convex shoulder), 13 duplicate removal grooves, 14 junction planes, 15 positioning pin holes.
Embodiment
The specific embodiment of the present invention, as Figure 1-10 shows, a kind of bearing shell flinger ring, comprise the inner ring of the inner ring first half 2 and inner ring Lower Half 3 formation, the outer shroud that the outer shroud first half 1 and outer shroud Lower Half 4 are formed, the locating stud of inner ring and outer interannular and fastening screw trip bolt 7, it is characterized in that: it is that grafting is fixedly connected with mode that the inner ring first half 2 is connected and fixed patten's design with the mode that is fixedly connected with of the junction plane 14 of inner ring Lower Half 3 by bolt, namely convex shoulder groove 9 and convex shoulder 12 are set respectively on the inner ring first half 2 and inner ring Lower Half 3 junction plane 14, and, the locating stud 10 and perforated pins 8 that connect and locate and prevent from rotating in a circumferential direction are set, simultaneously, cut off to damage for preventing perforated pins 8 and the groove width of the convex shoulder groove 9 in inner ring is broadened, the width of piece bores place, the outer shroud location convex shoulder of corresponding increase outer shroud, as Figure 1-10 shows.
The first half 2 of said inner ring and the centre of inner ring Lower Half 3 arrange duplicate removal groove 13 respectively, as Figure 1-10 shows.In addition, saidly diameter of axle gap is adopted to be 0.81-0.91 millimeter by ring design in the flinger ring inner ring first half 2 and flinger ring inner ring Lower Half 3 are formed.It is that grafting is fixedly connected with mode and can increases flinger ring inner ring weight that the mode that is fixedly connected with of the inner ring first half 2 mentioned here and inner ring Lower Half 3 two-part junction plane and junction plane 14 is connected and fixed patten's design by bolt, again duplicate removal on the basis ensureing flinger ring intensity is taked in duplicate removal design, namely in calculating watt, can the oil pressure jack-up flinger ring that be in operation be formed after oil film, in the centre of inner ring, duplicate removal groove 13 is set, it is that grafting is fixedly connected with mode and can increases flinger ring inner ring weight that the mode that is fixedly connected with due to the inner ring first half 2 and inner ring Lower Half 3 two-part junction plane and junction plane 14 is connected and fixed patten's design by bolt, again after duplicate removal design, calculate chain rate former flinger ring inner ring weight in new bearing shell flinger ring, during specific design is produced, through adjust watt in oil pressure can be in operation jack-up bearing shell flinger ring formed oil film, take on the basis ensureing bearing shell flinger ring intensity through duplicate removal design, power plant's security of operation can be met.Adjust this weight and can meet in operation the needs setting up oil film, the Security of unit can not be affected.Redesigning rear axle eaves tile oil ring inner ring weight change is mainly transforming in bearing shell flinger ring body process on the impact that shaft system of unit vibrates, the impact that after emphasis solves the transformation of bearing shell flinger ring inner ring, the change of weight is shaken on unit axle, after adjusting, unit axle can not be affected within the scope of 2 kilograms to shake problem, but can prerequisite is oil pressure in bearing shell be in operation jack-up flinger ring inner ring, sets up good oil film.Through practice, can the rear flinger ring inner ring weight change of transformation meet in operation sets up stable oil film, through designing the safe operation that can ensure flinger ring inner ring under oil group adjusts this weight, the safe operation of flinger ring inner ring can be ensured under the lubricant oil main-piping pressure of 0.1-0.14MPa, flinger ring inner ring coal wear problem can not be caused because of weight increase.The structural feature of this flinger ring determines this flinger ring and is equivalent to extremely narrow circular journal bearing, and its operating conditions is contrary with plain bearing, and plain bearing is lower watt of carrying, and this flinger ring is first carrying.The calculating of bearing bearing is carried now at home and abroad all without ripe computational methods in pole, and result of calculation and actual motion state differ greatly, main cause be lubricant oil when width is little, its oil film composition is extremely complicated, and concrete modelling is very difficult.After the processing of this flinger ring, in existing operating unit, carry out installation testing, in the strict detection rotor vibration of duration of test, bearing shell vibration, watt temperature change etc., in monitoring bearing case, whether there is the appearance of the situations such as noise simultaneously.Through the operation of about a year, its rotor diameter of axle, bearing metal, flinger ring alloy etc. have no noticeable wear, and on flinger ring, stop pin, ring body structurc are stablized simultaneously, illustrate that unit is in running, set up good oil film between flinger ring and the rotor diameter of axle, flinger ring is working properly.In addition, selection is that inner ring selects special material to be combined with tungsten metallographic, is mainly applicable to 600MW steam turbine set bearing shell flinger ring and improves, and certainly, also may be used for other steam turbine set bearing shell flinger rings such as 300MW and improves.
Fault data before the group transformation of citing power plant is example, sets forth the effect after process transformation process.Flinger ring body is in operation produced problem, this flinger ring body is in operation and often occurs that abnormal conditions cardinal symptom is that an axle system watt unexpected axle shakes bigger than normal, different sound in bearing housing with metal knock, because the fracture of flinger ring inner ring or flinger ring junction plane clamping bolt come off in stopping process, make watt internal drop low, bearing shell burning problems is easily caused in coasting operation process, table 1 to shake value for unit axle before chaser, table 2 to shake value for unit axle after chaser, table 3 (to shake value see unit axle before table 1 chaser for the value of shaking of unit axle after transformation, after table 2 chaser, unit axle shakes value, table 3 is transformed rear unit axle and to be shaken value).From above-mentioned data with producing, after changing the bearing shell flinger ring inner ring and outer shroud of producing designed by this technology, just can meet safe operation and effectively avoid because flinger ring inner ring fault causes a unit watt axle to shake in excessive, bearing housing the problem accidents such as different sound, tile kilning.
Claims (2)
1. a bearing shell flinger ring, comprise the inner ring that the inner ring first half (2) and inner ring Lower Half (3) are formed, the outer shroud that the outer shroud first half (1) and outer shroud Lower Half (4) are formed, the locating stud of inner ring and outer interannular and fastening screw trip bolt (7), it is characterized in that: it is that grafting is fixedly connected with mode that the inner ring first half (2) is connected and fixed patten's design with the mode that is fixedly connected with of the junction plane (14) of inner ring Lower Half (3) by bolt, namely convex shoulder groove (9) and convex shoulder (12) are set respectively on the inner ring first half (2) and inner ring Lower Half (3) junction plane (14), and, the locating stud (10) and perforated pins (8) that connect and locate and prevent from rotating in a circumferential direction are set, simultaneously, cut off to damage for preventing perforated pins (8) and the groove width of the convex shoulder groove (9) in inner ring is broadened, the width of piece bores place, the outer shroud location convex shoulder of corresponding increase outer shroud.
2. a kind of bearing shell flinger ring as claimed in claim 1, is characterized in that: the first half (2) of said inner ring and the centre of inner ring Lower Half (3) arrange duplicate removal groove (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410724732.5A CN105134782B (en) | 2014-12-04 | 2014-12-04 | Bearing pad oil retainer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410724732.5A CN105134782B (en) | 2014-12-04 | 2014-12-04 | Bearing pad oil retainer ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105134782A true CN105134782A (en) | 2015-12-09 |
| CN105134782B CN105134782B (en) | 2020-06-12 |
Family
ID=54720275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410724732.5A Active CN105134782B (en) | 2014-12-04 | 2014-12-04 | Bearing pad oil retainer ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105134782B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644795A (en) * | 2016-09-23 | 2017-05-10 | 上海交通大学 | Testing machine for abrasive wear test of bearing bush |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177096Y (en) * | 1993-09-16 | 1994-09-14 | 哈尔滨电站改造高新技术应用公司 | Floating oil scraper ring for steam turbine |
| WO2000009896A2 (en) * | 1998-08-11 | 2000-02-24 | David Hercules Slabbert | Bearing maintenance accessory |
| CN201416639Y (en) * | 2009-06-24 | 2010-03-03 | 于翔 | Oil deflector ring for bearing box of rotary machine |
| CN102269224A (en) * | 2011-08-01 | 2011-12-07 | 扬州尼尔工程塑料有限公司 | Bearing cover |
| CN202203282U (en) * | 2011-07-16 | 2012-04-25 | 黄浩杨 | Oil ring structure |
| DE102012209121A1 (en) * | 2012-05-30 | 2013-12-05 | Aktiebolaget Skf | Sealing unit for sealing bearing against e.g. dirt, has sealing element that is fixed to another sealing element |
| CN203516735U (en) * | 2013-08-20 | 2014-04-02 | 上海新建重型机械有限公司 | Oil deflector device of sliding shoe mill |
| CN103850723A (en) * | 2012-11-29 | 2014-06-11 | 哈尔滨中盈电力设备有限公司 | Combination ring sealing device |
| CN204312546U (en) * | 2014-12-04 | 2015-05-06 | 哈尔滨三源汽轮机设备制造有限责任公司 | A kind of bearing shell flinger ring |
-
2014
- 2014-12-04 CN CN201410724732.5A patent/CN105134782B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177096Y (en) * | 1993-09-16 | 1994-09-14 | 哈尔滨电站改造高新技术应用公司 | Floating oil scraper ring for steam turbine |
| WO2000009896A2 (en) * | 1998-08-11 | 2000-02-24 | David Hercules Slabbert | Bearing maintenance accessory |
| CN201416639Y (en) * | 2009-06-24 | 2010-03-03 | 于翔 | Oil deflector ring for bearing box of rotary machine |
| CN202203282U (en) * | 2011-07-16 | 2012-04-25 | 黄浩杨 | Oil ring structure |
| CN102269224A (en) * | 2011-08-01 | 2011-12-07 | 扬州尼尔工程塑料有限公司 | Bearing cover |
| DE102012209121A1 (en) * | 2012-05-30 | 2013-12-05 | Aktiebolaget Skf | Sealing unit for sealing bearing against e.g. dirt, has sealing element that is fixed to another sealing element |
| CN103850723A (en) * | 2012-11-29 | 2014-06-11 | 哈尔滨中盈电力设备有限公司 | Combination ring sealing device |
| CN203516735U (en) * | 2013-08-20 | 2014-04-02 | 上海新建重型机械有限公司 | Oil deflector device of sliding shoe mill |
| CN204312546U (en) * | 2014-12-04 | 2015-05-06 | 哈尔滨三源汽轮机设备制造有限责任公司 | A kind of bearing shell flinger ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644795A (en) * | 2016-09-23 | 2017-05-10 | 上海交通大学 | Testing machine for abrasive wear test of bearing bush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105134782B (en) | 2020-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5782248B2 (en) | Support bar for turbine diaphragm to facilitate maintenance cycle time and cost reduction | |
| CN202790093U (en) | Multi-oil wedge tilting pad radial bearing with adjustable rigidity | |
| CN204344695U (en) | A kind of steam turbine set bearing shell flinger ring | |
| US20160146027A1 (en) | Guide vane ring and turbomachine | |
| CN204312546U (en) | A kind of bearing shell flinger ring | |
| JP2017525883A (en) | Turbine assembly with removable struts | |
| CN102628834A (en) | Method for diagnosing blade breakage failure of large-sized steam turbine | |
| US20060091741A1 (en) | Turbine generator vibration damper system | |
| CN105134782A (en) | Bearing pad oil baffle ring | |
| CN104358820B (en) | With the returning type elastic support of film damper | |
| JP5638696B2 (en) | Compressor and related gas turbine | |
| CN104863968A (en) | Turboset bearing bush oil retainer | |
| US11215079B2 (en) | Turbomachine and method for disassembling such a turbomachine | |
| EP2644845B1 (en) | Side supported steam turbine shell | |
| CN102933800B (en) | Steam turbine assembly and method of assembling a steam turbine | |
| KR101886484B1 (en) | Casing support block for steam turbine nozzle assembly | |
| CN202468703U (en) | Tilting pad bearing provided with spring at back of upper pad | |
| Valentín et al. | Dynamic response of the MICA runner. Experiment and simulation | |
| CN207999289U (en) | A kind of partition board of steam turbine | |
| US9353636B2 (en) | Process for replacing a bolted-on nozzle block coupled to a nozzle chamber in a steam turbine | |
| CN210917551U (en) | Rotation mechanism and forestry machine | |
| JP6739933B2 (en) | Austenite segments and related assemblies for steam turbine nozzle assemblies | |
| EP2267325B1 (en) | Self cleaning grease lubricated spline | |
| CN205208003U (en) | Swivel joint of high accuracy central authorities | |
| CN204553061U (en) | Top guide bearing assembly structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |