CN105499954A - Hoisting method for umbrella hydrogenerator thrust bearings - Google Patents
Hoisting method for umbrella hydrogenerator thrust bearings Download PDFInfo
- Publication number
- CN105499954A CN105499954A CN201610090579.4A CN201610090579A CN105499954A CN 105499954 A CN105499954 A CN 105499954A CN 201610090579 A CN201610090579 A CN 201610090579A CN 105499954 A CN105499954 A CN 105499954A
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- Prior art keywords
- main shaft
- thrust
- thrust bearing
- metal
- bearing
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
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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
- F16C43/00—Assembling bearings
- F16C43/02—Assembling sliding-contact bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention belongs to the field of generator set equipment and relates to an installing method for a generator set, in particular to a hoisting method for umbrella hydrogenerator thrust bearings. The hoisting method is characterized by including the steps that a, two sections of thrust bearing seats are combined into a whole circle above a main shaft flange through pin positioning and bolts, and the thrust bearings are installed on the thrust bearing seats; b, a main shaft is hoisted, the upper surface of the flange of the main shaft makes contact with the lower surfaces of the thrust bearing seats, and the thrust bearing seats are fixed; c, the thrust bearing seats obtained in the step b, the thrust bearings and the main shaft are hoisted into a hydrogenerator pit together, and after the thrust bearings are hoisted into a lower rack, the thrust bearings are installed on the lower rack; d, finally fixing devices among the main shaft, the thrust bearing seats and the thrust bearings are detached, then the main shaft continues to be hoisted downwards to the installation position to be installed, and the whole hoisting process is completed.
Description
Technical field
The invention belongs to generator set device field, relate to a kind of installation method of generating set, be specifically related to a kind of hanging method of umbrella-type generator thrust bearing.
Background technology
Hydraulic generator thrust bearing has many important polished surfaces, pays particular attention to, can not damage these significant surfaces, in order to avoid affect the stability of unit operation in the process of lifting.The safety and stability of thrust bearing lifting is extremely important, needs careful consideration, for special circumstances specially treated when the hoisting method of design thrust bearing.
Usually, the lifting mode of umbrella-type generator thrust bearing is first arranged on lower bearing bracket by thrust bearing, then thrust bearing hung in together with lower bearing bracket machine hole.
Sometimes stir loss to reduce hydraulic generator thrust bearing, improve the efficiency of generator, increase the economy of unit operation, can reduce the diameter of thrust bearing when designing, thrust bearing internal diameter is less than spindle flange external diameter sometimes as far as possible.Meanwhile, for some high rotating speed units, its integral diameter is less, and the thrust bearing diameter that can arrange is also less, and thrust bearing internal diameter is more likely less than spindle flange external diameter.
Spindle flange external diameter is less than for thrust bearing internal diameter, and main shaft adopts the umbrella-type generator of " big hat " structure (main shaft and thrust collar are an entirety), then can not adopt and first thrust bearing is arranged on lower bearing bracket, and then mode thrust bearing being hung in together with lower bearing bracket machine hole lifts.At present in order to solve the lifting problem of this unit thrust bearing, there is domestic and international company to adopt special thrust bearing, by thrust metal design mix block structure, so just thrust bearing one piece a piece can be hung in machine and cheat and be arranged on lower bearing bracket.Although such mode solves the problem of thrust bearing lifting, but the thrust bearing of this structure is higher to processing request, add processing cost and installation accuracy not easily ensures, easily cause Thrust-vectoring nozzle higher, unit operation loss strengthens, and What is more affects the safe and stable operation of unit.
If national patent notification number is CN204357623U, name is called that a kind of utility model patent of hydraulic generator thrust bearing discloses a kind of hydraulic generator thrust bearing, comprise main shaft (1), described main shaft (1) is arranged with thrust collar (2), runner plate (3) and upper leading axle watt (4), and described thrust collar (2) and described runner plate (3) are arranged for integral type.
Summary of the invention
Not easily ensure to solve installation accuracy of the prior art, easily cause Thrust-vectoring nozzle higher, unit operation loss strengthens, and What is more affects the problem of the safe and stable operation of unit, the invention provides a kind of hanging method of umbrella-type generator thrust bearing.
A hanging method for umbrella-type generator thrust bearing, is characterized in that, lifting step is:
A. thrust bearing synthesis full circle, is arranged on thrust metal by pin location, bolt by two lobe thrust metals by thrust metal above spindle flange;
B. main shaft is lifted by crane, make the flange upper surface of main shaft contact with thrust metal lower surface and fix thrust metal;
C. the thrust metal obtained by step b, thrust bearing hang in machine hole together with main shaft, after thrust bearing hangs in lower bearing bracket, are arranged on by thrust bearing on lower bearing bracket;
D. finally remove the fixture between main shaft and thrust metal and thrust bearing, then continue to hang lower main axis to installation site and install, complete whole hoisting process.
Described thrust metal is combined by two pieces of identical semicircle bearing block assemblies.
The detailed step of described step a is: with main shaft lifting tool, main shaft is hung installation station, by bolt and large washer, main shaft is fixed on main shaft soleplate, bracing frame is placed outside the flange of main shaft, thrust metal is placed on bracing frame, thrust bearing is assembled on thrust metal.
The detailed step of described step b is: remove main shaft set bolt and large washer, with main shaft lifting tool, main shaft is sling, the flange upper surface of main shaft is contacted with the lower surface of thrust metal, by fixture, main shaft, thrust metal and thrust bearing is fixed.
The detailed step of described step c is: with main shaft lifting tool, main shaft, thrust metal are hung in machine hole together with thrust bearing, until hover bottom thrust metal with after the thrust metal installed surface of lower bearing bracket contacts, then thrust metal and thrust bearing are arranged on lower bearing bracket.
The detailed step of described steps d is: remove and be arranged on main shaft, fixture between thrust metal and thrust bearing, with main shaft lifting tool, main shaft lifting is moved down, until the runner plate face of main shaft contacts with the upper surface of thrust bearing, main shaft is installed, finally remove main shaft lifting tool, complete thrust bearing lifting.
beneficial effect of the present invention:
1. thrust metal adopts splitted structure, and by pin location, bolt synthesis full circle, thrust metal rigidity is large, difficulty of processing is low, precision is high, and building site is installed simple, and installation accuracy is high, reduce thrust bearing loss and Thrust-vectoring nozzle, ensure that the safe and stable operation of unit.
2. utilize spindle flange face to lift by crane thrust bearing, reduce erecting tools quantity, improve economy, the more important thing is lifting process safety, stable, reliable.
reference numeral
1. main shaft lifting tool, 2. bolt, 3. large washer, 4. main shaft, 5. main shaft soleplate, 6. bracing frame, 7. thrust metal, 701. semicircle bearing block assemblies, 8. thrust bearing, 9. fixture, 10. lower bearing bracket.
Accompanying drawing explanation
Fig. 1 ~ Fig. 7 is thrust bearing of the present invention lifting schematic flow sheet;
Fig. 8 is main axle structure schematic diagram of the present invention;
Fig. 9 ~ 10 are thrust metal structural representation of the present invention.
detailed description of the invention:
embodiment 1:
A hanging method for umbrella-type generator thrust bearing, is characterized in that, lifting step is:
A. thrust bearing synthesis full circle, is arranged on thrust metal by pin location, bolt by two lobe thrust metals by thrust metal above spindle flange;
B. main shaft is lifted by crane, make the flange upper surface of main shaft contact with thrust metal lower surface and fix thrust metal;
C. the thrust metal obtained by step b, thrust bearing hang in machine hole together with main shaft, after thrust bearing hangs in lower bearing bracket, are arranged on by thrust bearing on lower bearing bracket;
D. finally remove the fixture between main shaft and thrust metal and thrust bearing, then continue to hang lower main axis to installation site and install, complete whole hoisting process.
Described thrust metal is combined by two pieces of identical semicircle bearing block assemblies 701.
embodiment 2:
A hanging method for umbrella-type generator thrust bearing, is characterized in that, lifting step is:
A. thrust bearing synthesis full circle, is arranged on thrust metal by pin location, bolt by two lobe thrust metals by thrust metal above spindle flange;
B. main shaft is lifted by crane, make the flange upper surface of main shaft contact with thrust metal lower surface and fix thrust metal;
C. the thrust metal obtained by step b, thrust bearing hang in machine hole together with main shaft, after thrust bearing hangs in lower bearing bracket, are arranged on by thrust bearing on lower bearing bracket;
D. finally remove the fixture between main shaft and thrust metal and thrust bearing, then continue to hang lower main axis to installation site and install, complete whole hoisting process.
Described thrust metal is combined by two pieces of identical semicircle bearing block assemblies 701.
The detailed step of described step a is: with main shaft lifting tool 1, main shaft 4 is hung installation station, by bolt 2 and large washer 3, main shaft is fixed on main shaft soleplate 5, bracing frame 6 is placed outside the flange of main shaft 4, thrust metal 7 is placed on bracing frame 6, thrust bearing 8 is assembled on thrust metal 7.
embodiment 3:
A hanging method for umbrella-type generator thrust bearing, is characterized in that, lifting step is:
A. thrust bearing synthesis full circle, is arranged on thrust metal by pin location, bolt by two lobe thrust metals by thrust metal above spindle flange;
B. main shaft is lifted by crane, make the flange upper surface of main shaft contact with thrust metal lower surface and fix thrust metal;
C. the thrust metal obtained by step b, thrust bearing hang in machine hole together with main shaft, after thrust bearing hangs in lower bearing bracket, are arranged on by thrust bearing on lower bearing bracket;
D. finally remove the fixture between main shaft and thrust metal and thrust bearing, then continue to hang lower main axis to installation site and install, complete whole hoisting process.
Described thrust metal is combined by two pieces of identical semicircle bearing block assemblies 701.
The detailed step of described step a is: with main shaft lifting tool 1, main shaft 4 is hung installation station, by bolt 2 and large washer 3, main shaft is fixed on main shaft soleplate 5, bracing frame 6 is placed outside the flange of main shaft 4, thrust metal 7 is placed on bracing frame 6, thrust bearing 8 is assembled on thrust metal 7.
The detailed step of described step b is: remove main shaft set bolt 2 and large washer 3, with main shaft lifting tool 1, main shaft 4 is sling, the flange upper surface of main shaft 4 is contacted with the lower surface of thrust metal 7, by fixture 9, main shaft 4, thrust metal 7 and thrust bearing 8 is fixed.
embodiment 4:
A hanging method for umbrella-type generator thrust bearing, is characterized in that, lifting step is:
A. thrust bearing synthesis full circle, is arranged on thrust metal by pin location, bolt by two lobe thrust metals by thrust metal above spindle flange;
B. main shaft is lifted by crane, make the flange upper surface of main shaft contact with thrust metal lower surface and fix thrust metal;
C. the thrust metal obtained by step b, thrust bearing hang in machine hole together with main shaft, after thrust bearing hangs in lower bearing bracket, are arranged on by thrust bearing on lower bearing bracket;
D. finally remove the fixture between main shaft and thrust metal and thrust bearing, then continue to hang lower main axis to installation site and install, complete whole hoisting process.
Described thrust metal is combined by two pieces of identical semicircle bearing block assemblies 701.
The detailed step of described step a is: with main shaft lifting tool 1, main shaft 4 is hung installation station, by bolt 2 and large washer 3, main shaft is fixed on main shaft soleplate 5, bracing frame 6 is placed outside the flange of main shaft 4, thrust metal 7 is placed on bracing frame 6, thrust bearing 8 is assembled on thrust metal 7.
The detailed step of described step b is: remove main shaft set bolt 2 and large washer 3, with main shaft lifting tool 1, main shaft 4 is sling, the flange upper surface of main shaft 4 is contacted with the lower surface of thrust metal 7, by fixture 9, main shaft 4, thrust metal 7 and thrust bearing 8 is fixed.
The detailed step of described step c is: with main shaft lifting tool 1, main shaft 4, thrust metal 7 are hung in machine hole together with thrust bearing 8, until hover bottom thrust metal 7 with after the thrust metal installed surface of lower bearing bracket 10 contacts, then thrust metal 7 and thrust bearing 8 are arranged on lower bearing bracket 10.
embodiment 5:
A hanging method for umbrella-type generator thrust bearing, is characterized in that, lifting step is:
A. thrust bearing synthesis full circle, is arranged on thrust metal by pin location, bolt by two lobe thrust metals by thrust metal above spindle flange;
B. main shaft is lifted by crane, make the flange upper surface of main shaft contact with thrust metal lower surface and fix thrust metal;
C. the thrust metal obtained by step b, thrust bearing hang in machine hole together with main shaft, after thrust bearing hangs in lower bearing bracket, are arranged on by thrust bearing on lower bearing bracket;
D. finally remove the fixture between main shaft and thrust metal and thrust bearing, then continue to hang lower main axis to installation site and install, complete whole hoisting process.
Described thrust metal is combined by two pieces of identical semicircle bearing block assemblies 701.
The detailed step of described step a is: with main shaft lifting tool 1, main shaft 4 is hung installation station, by bolt 2 and large washer 3, main shaft is fixed on main shaft soleplate 5, bracing frame 6 is placed outside the flange of main shaft 4, thrust metal 7 is placed on bracing frame 6, thrust bearing 8 is assembled on thrust metal 7.
The detailed step of described step b is: remove main shaft set bolt 2 and large washer 3, with main shaft lifting tool 1, main shaft 4 is sling, the flange upper surface of main shaft 4 is contacted with the lower surface of thrust metal 7, by fixture 9, main shaft 4, thrust metal 7 and thrust bearing 8 is fixed.
The detailed step of described step c is: with main shaft lifting tool 1, main shaft 4, thrust metal 7 are hung in machine hole together with thrust bearing 8, until hover bottom thrust metal 7 with after the thrust metal installed surface of lower bearing bracket 10 contacts, then thrust metal 7 and thrust bearing 8 are arranged on lower bearing bracket 10.
The detailed step of described steps d is: remove and be arranged on main shaft 4, fixture 9 between thrust metal 7 and thrust bearing 8, with main shaft lifting tool 1, main shaft 4 lifting is moved down, until the runner plate face of main shaft 4 contacts with the upper surface of thrust bearing 8, main shaft 4 is installed, finally remove main shaft lifting tool 1, complete thrust bearing lifting.
Claims (6)
1. a hanging method for umbrella-type generator thrust bearing, is characterized in that, lifting step is:
A. thrust bearing synthesis full circle, is arranged on thrust metal by pin location, bolt by two lobe thrust metals by thrust metal above spindle flange;
B. main shaft is lifted by crane, make the flange upper surface of main shaft contact with thrust metal lower surface and fix thrust metal;
C. the thrust metal obtained by step b, thrust bearing hang in machine hole together with main shaft, after thrust bearing hangs in lower bearing bracket, are arranged on by thrust bearing on lower bearing bracket;
D. finally remove the fixture between main shaft and thrust metal and thrust bearing, then continue to hang lower main axis to installation site and install, complete whole hoisting process.
2. the hanging method of a kind of umbrella-type generator thrust bearing according to claim 1, is characterized in that: described thrust metal is combined by two pieces of identical semicircle bearing block assemblies (701).
3. the hanging method of a kind of umbrella-type generator thrust bearing according to claim 1, it is characterized in that: the detailed step of described step a is: with main shaft lifting tool (1), main shaft (4) is hung installation station, by bolt (2) and large washer (3), main shaft is fixed on main shaft soleplate (5), bracing frame (6) is placed outside the flange of main shaft (4), thrust metal (7) is placed on bracing frame (6), thrust bearing (8) is assembled on thrust metal (7).
4. the hanging method of a kind of umbrella-type generator thrust bearing according to claim 1, it is characterized in that: the detailed step of described steps d is: remove main shaft set bolt (2) and large washer (3), with main shaft lifting tool (1), main shaft (4) is sling, the flange upper surface of main shaft (4) is contacted with the lower surface of thrust metal (7), by fixture (9), main shaft (4), thrust metal (7) and thrust bearing (8) is fixing.
5. the hanging method of a kind of umbrella-type generator thrust bearing according to claim 1, it is characterized in that: the detailed step of described step c is: with main shaft lifting tool (1), main shaft (4), thrust metal (7) and thrust bearing (8) are hung in machine hole together, until hover bottom thrust metal (7) with after the thrust metal installed surface of lower bearing bracket (10) contacts, then thrust metal (7) and thrust bearing (8) are arranged on lower bearing bracket (10).
6. the hanging method of a kind of umbrella-type generator thrust bearing according to claim 1, it is characterized in that: the detailed step of described steps d is: remove and be arranged on main shaft (4), fixture (9) between thrust metal (7) and thrust bearing (8), with main shaft lifting tool (1), main shaft (4) lifting is moved down, until the runner plate face of main shaft (4) contacts with the upper surface of thrust bearing (8), main shaft (4) is installed, finally remove main shaft lifting tool (1), complete thrust bearing lifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610090579.4A CN105499954B (en) | 2016-02-18 | 2016-02-18 | A kind of hanging method of umbrella-type generator thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610090579.4A CN105499954B (en) | 2016-02-18 | 2016-02-18 | A kind of hanging method of umbrella-type generator thrust bearing |
Publications (2)
| Publication Number | Publication Date |
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| CN105499954A true CN105499954A (en) | 2016-04-20 |
| CN105499954B CN105499954B (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610090579.4A Active CN105499954B (en) | 2016-02-18 | 2016-02-18 | A kind of hanging method of umbrella-type generator thrust bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363408A (en) * | 2016-11-25 | 2017-02-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Assembling process method for aircraft engine bearing |
| CN114483660A (en) * | 2022-01-05 | 2022-05-13 | 东方电气集团东方电机有限公司 | Integral disassembling and assembling method for large vertical water pump core cladding |
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| CN101196000A (en) * | 2008-01-07 | 2008-06-11 | 四川东风电机厂有限公司 | Installing method for bulb through-flow turbine |
| CN201507386U (en) * | 2009-08-13 | 2010-06-16 | 哈尔滨电机厂有限责任公司 | Scribed plate grooving split oil retaining pipe for water-wheel generator bearings |
| CN102570680A (en) * | 2011-11-29 | 2012-07-11 | 东方电气集团东方电机有限公司 | Alignment support device for rotor of permanent-magnetic wind power generator and rotor bearing replacement method |
| CN203284052U (en) * | 2013-05-22 | 2013-11-13 | 东方电气集团东方电机有限公司 | Snap ring for hoisting and hanging runner for movable propeller turbine |
| JP2014188624A (en) * | 2013-03-27 | 2014-10-06 | Lintec Corp | Installation device, installation system, and installation method |
| CN104377913A (en) * | 2014-11-11 | 2015-02-25 | 沈阳华创风能有限公司 | Disassembling structure and method enabling generator bearing to be replaced on site |
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2016
- 2016-02-18 CN CN201610090579.4A patent/CN105499954B/en active Active
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| JPS63243462A (en) * | 1987-03-30 | 1988-10-11 | Hitachi Ltd | Bearing apparatus for vertical hydraulic turbine generator |
| CN101196000A (en) * | 2008-01-07 | 2008-06-11 | 四川东风电机厂有限公司 | Installing method for bulb through-flow turbine |
| CN201507386U (en) * | 2009-08-13 | 2010-06-16 | 哈尔滨电机厂有限责任公司 | Scribed plate grooving split oil retaining pipe for water-wheel generator bearings |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363408A (en) * | 2016-11-25 | 2017-02-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Assembling process method for aircraft engine bearing |
| CN106363408B (en) * | 2016-11-25 | 2019-12-13 | 中国航发沈阳黎明航空发动机有限责任公司 | assembly process method of aeroengine bearing |
| CN114483660A (en) * | 2022-01-05 | 2022-05-13 | 东方电气集团东方电机有限公司 | Integral disassembling and assembling method for large vertical water pump core cladding |
| CN114483660B (en) * | 2022-01-05 | 2023-04-07 | 东方电气集团东方电机有限公司 | Integral disassembling and assembling method for large vertical water pump core cladding |
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| CN105499954B (en) | 2017-11-21 |
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