CN103967537A - Low-pressure cylinder load distributing method of half-speed turbine - Google Patents
Low-pressure cylinder load distributing method of half-speed turbine Download PDFInfo
- Publication number
- CN103967537A CN103967537A CN201410195314.1A CN201410195314A CN103967537A CN 103967537 A CN103967537 A CN 103967537A CN 201410195314 A CN201410195314 A CN 201410195314A CN 103967537 A CN103967537 A CN 103967537A
- Authority
- CN
- China
- Prior art keywords
- ram
- horn
- oil pressure
- jack
- pressure value
- 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
- 238000000034 method Methods 0.000 title claims abstract description 24
- 244000082490 Proboscidea louisianica Species 0.000 claims description 89
- 235000015926 Proboscidea louisianica ssp. fragrans Nutrition 0.000 claims description 89
- 235000015925 Proboscidea louisianica subsp. louisianica Nutrition 0.000 claims description 89
- 206010028347 Muscle twitching Diseases 0.000 claims description 3
- 230000036461 convulsion Effects 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 abstract 12
- 238000007796 conventional method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Control Of Turbines (AREA)
Abstract
The invention discloses a low-pressure cylinder load distributing method of a half-speed turbine. The method includes the following steps that (1) the inclination trend of each claw is judged; (2) a load of each claw is evened according to the inclination tread of the corresponding claw; (3) whole-cylinder load distribution is carried out, wherein the two sides of any claw are provided with dial indicators, the middle of the bottom of the corresponding claw is provided with a jack used for jacking the claw, the oil pressure value of the corresponding claw is obtained, and then the jack is depressurized; the oil pressure values of the remaining jacked claws are measured in the same method; the oil pressure values of the claws on the two sides of a control valve end are taken as one set, the oil pressure values of the claws on the two sides of a motor end are taken as the other set, and the two oil pressure values in each identical set are compared; according to the difference of the oil pressure values, the thicknesses of pads of the claws in the same set are adjusted until the oil pressure values of the two claws in the same set are identical, and load distribution is finished. Compared with a traditional load distributing method, the method is easy to operate, safe, reliable and capable of effectively improving accuracy and work efficiency of low-pressure cylinder load distribution of the half-speed turbine and enables the load to be reasonably distributed.
Description
Technical field
The present invention relates to machine utilization distribution technique field, relate in particular to a kind of 1,000,000 nuclear power Siemens technique Half Speed formula turbine low pressure cylinder load distribution methods.
Background technique
The conventional method of turbine low pressure cylinder load distribution is directly four ram's horns of steam turbine to be divided into two groups to carry out, its concrete grammar is to place hydraulic jack below each low pressure (LP) cylinder ram's horn, single jack-up ram's horn, use dial gauge to monitor the casing lug amount of raising, read jack oil pressure meter reading, the data that the data that the left side of casing lug homonymy is recorded and the right are recorded compare.In the time taking out pad and be encased inside opposite side in the shim pack from the ram's horn of the larger side of load, it is less that the side that former load is larger becomes load, just can think the equilibrium of ram's horn load.Because this machine set type low pressure (LP) cylinder weight is larger, and each ram's horn at four angles below has two shim pack to support, if carry out load distribution according to conventional method, not only consuming time long but also be difficult to realize accuracy registration.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Half Speed formula turbine low pressure cylinder load distribution method that can effectively improve load distribution efficiency and precision.
For solving the problems of the technologies described above, technological scheme of the present invention is:
Half Speed formula turbine low pressure cylinder load distribution method, comprises the following steps:
(1) judge the single ram's horn slope trend of steam turbine: arrange dial gauge zero setting in single ram's horn both side ends, ram's horn bottom intermediate arrangement hydraulic jack, jack-up ram's horn, judges ram's horn slope trend by two dial gauge readings;
(2) according to the single ram's horn slope trend of steam turbine by single ram's horn load evenly: by middle hydraulic jack pressure release, dial gauge is zero setting again; Hydraulic jack is moved to one side margin place, ram's horn bottom, and jack-up ram's horn, must this side oil pressure value, and hydraulic jack is moved to the symmetrical place of opposite side, ram's horn bottom, and jack-up ram's horn, obtains opposite side oil pressure value;
The relatively oil pressure reading of twice, adjust according to the difference judgement of two oil pressure values the thickness that ram's horn both sides need to mobile pad, hydraulic jack is moved to ram's horn bottom center position, and jack-up ram's horn to two dial gauge slows down jack-up amount after all having reading, twitches shim pack simultaneously, when shim pack can be twitched, stop pushing, extract shim pack completely out, adjust ram's horn both sides pad, the shim pack that resets afterwards, realizes the object of adjusting single ram's horn load distribution; Carry out the load distribution of all the other ram's horns according to same method;
(3) whole cylinder load distribution: arrange dial gauge zero setting from arbitrary ram's horn both sides, ram's horn bottom intermediate arrangement jack, the arbitrary ram's horn 0.2～0.5mm of jack-up, oil pressure value that must this ram's horn, hydraulic jack pressure release, dial gauge is zero setting again; Measure respectively the oil pressure value after residue ram's horn jack-up 0.2～0.5mm by same method; To adjust the oil pressure value of valve end both sides ram's horn as one group, the oil pressure value of motor side both sides ram's horn is another group, respectively more same group of interior two oil pressure values; Adjust the thickness of same group of ram's horn pad according to the difference of oil pressure value, until the oil pressure value of same group of two ram's horns equate or side 0.04～0.06mm pad is transferred to opposite side after both sides oil pressure value size cases exchange, load distribution completes.
As preferred technological scheme, during to the single ram's horn load distribution of steam turbine, realizing requirement that single ram's horn load distribution is completed is: in same group of ram's horn combination, both sides oil pressure value equates or mobile one-sided pad to ram's horn both sides oil pressure value size cases after opposite side is exchanged.
The present invention is compared with traditional load distribution method, simple to operate, distribute reasonable, safe and reliablely, can effectively improve precision and the working efficiency of Half Speed formula turbine low pressure cylinder load distribution.
brief description of the drawings
The following drawings is only intended to the present invention to schematically illustrate and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of the Half Speed formula turbine low pressure cylinder of the embodiment of the present invention;
In figure: 1-Half Speed formula turbine low pressure cylinder; 2-ram's horn; 3-adjusts valve end; 4-motor side.
Embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only by the mode of explanation, some example embodiment of the present invention has been described.Undoubtedly, those of ordinary skill in the art can recognize, without departing from the spirit and scope of the present invention in the situation that, can revise described embodiment by various mode.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
Embodiment: as shown in Figure 1, there are respectively four ram's horns 2 at four jiaos of 1 bottoms of Half Speed formula turbine low pressure cylinder place, ram's horn 2 both sides are respectively to adjust valve end 3 and motor side 4.
Half Speed formula turbine low pressure cylinder load distribution method, comprises the following steps:
(1) judge single ram's horn 2 slope trends: arrange dial gauge zero setting in single ram's horn 2 both side ends, ram's horn 2 bottom intermediate arrangement hydraulic jack, jack-up ram's horn 2, relatively two dial gauge readings, judge ram's horn 2 slope trends;
(2) according to single ram's horn 2 slope trends, single ram's horn 2 is loaded evenly: by middle hydraulic jack pressure release, dial gauge is zero setting again; Hydraulic jack is moved to ram's horn 2 bottom one sides (as far as possible keeping to the side), and jack-up ram's horn 2, reads oil pressure record; The hydraulic jack of this side is moved to the ram's horn 2 symmetrical places of bottom opposite side, and jack-up ram's horn 2, reads oil pressure record; The relatively oil pressure reading of twice, thickness that need to mobile pad according to the judgement of oil pressure difference; Hydraulic jack is moved in the middle of ram's horn 2 bottoms, and jack-up ram's horn 2 to dial gauge slows down jack-up amount after all having reading, attempts twitching shim pack simultaneously, when shim pack can be twitched, stops pushing; Extract shim pack completely out, adjust after pad according to calculated data, reset shim pack, until ram's horn 2 both sides oil pressure equate or mobile one-sided pad is exchanged to ram's horn 2 both sides oil pressure value size cases after opposite side, single ram's horn load distribution completes; Carry out the load distribution of all the other ram's horns according to same method.Both sides oil pressure size cases is exchanged according to related domain general measure standard and is judged.
(3) whole cylinder load distribution: (adjust valve end 3, motor side 4) from arbitrary ram's horn 2 both sides and arrange dial gauge zero setting, ram's horn 2 bottom intermediate arrangement jack, the arbitrary ram's horn 0.3mm of jack-up low pressure (LP) cylinder, reads oil pressure record, hydraulic jack pressure release, dial gauge is zero setting again; Measure respectively the oil pressure value after residue ram's horn jack-up 0.3mm by same method; To adjust valve end 3 both sides oil pressure readings as one group, motor side 4 both sides oil pressure readings are another group, respectively more same group of interior two oil pressure readings; Judge the thickness that needs the pad shifting in same group according to difference, until the oil pressure value of same group of two ram's horns equate or a side 0.05mm pad is transferred to opposite side after both sides oil pressure value size cases exchange, load distribution completes.
The present invention is compared with traditional load distribution method, simple to operate, distribute reasonable, safe and reliablely, can effectively improve precision and the working efficiency of 1,000,000 grades of nuclear power Half Speed formula turbine low pressure cylinder load distribution.
More than show and described basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1. Half Speed formula turbine low pressure cylinder load distribution method, is characterized in that, comprises the following steps:
(1) judge the single ram's horn slope trend of steam turbine: arrange dial gauge zero setting in single ram's horn both side ends, ram's horn bottom intermediate arrangement hydraulic jack, jack-up ram's horn, judges ram's horn slope trend by two dial gauge readings;
(2) according to the single ram's horn slope trend of steam turbine by single ram's horn load evenly: by middle hydraulic jack pressure release, dial gauge is zero setting again; Hydraulic jack is moved to one side margin place, ram's horn bottom, and jack-up ram's horn, must this side oil pressure value, and hydraulic jack is moved to the symmetrical place of opposite side, ram's horn bottom, and jack-up ram's horn, obtains opposite side oil pressure value;
The relatively oil pressure reading of twice, adjust according to the difference judgement of two oil pressure values the thickness that ram's horn both sides need to mobile pad, hydraulic jack is moved to ram's horn bottom center position, and jack-up ram's horn to two dial gauge slows down jack-up amount after all having reading, twitches shim pack simultaneously, when shim pack can be twitched, stop pushing, extract shim pack completely out, adjust ram's horn both sides pad, the shim pack that resets afterwards, realizes the object of adjusting single ram's horn load distribution; Carry out the load distribution of all the other ram's horns according to same method;
(3) whole cylinder load distribution: arrange dial gauge zero setting from arbitrary ram's horn both sides, ram's horn bottom intermediate arrangement jack, the arbitrary ram's horn 0.2～0.5mm of jack-up, oil pressure value that must this ram's horn, hydraulic jack pressure release, dial gauge is zero setting again; Measure respectively the oil pressure value after residue ram's horn jack-up 0.2～0.5mm by same method; To adjust the oil pressure value of valve end both sides ram's horn as one group, the oil pressure value of motor side both sides ram's horn is another group, respectively more same group of interior two oil pressure values; Adjust the thickness of same group of ram's horn pad according to the difference of oil pressure value, until the oil pressure value of same group of two ram's horns equate or side 0.04～0.06mm pad is transferred to opposite side after both sides oil pressure value size cases exchange, load distribution completes.
2. Half Speed formula turbine low pressure cylinder load distribution method, it is characterized in that, realizing requirement that single ram's horn load distribution is completed is: in same group of ram's horn combination, both sides oil pressure value equates or mobile one-sided pad to ram's horn both sides oil pressure value size cases after opposite side is exchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195314.1A CN103967537B (en) | 2014-05-09 | 2014-05-09 | Half Speed formula turbine low pressure cylinder load distribution method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195314.1A CN103967537B (en) | 2014-05-09 | 2014-05-09 | Half Speed formula turbine low pressure cylinder load distribution method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103967537A true CN103967537A (en) | 2014-08-06 |
| CN103967537B CN103967537B (en) | 2015-12-02 |
Family
ID=51237493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410195314.1A Active CN103967537B (en) | 2014-05-09 | 2014-05-09 | Half Speed formula turbine low pressure cylinder load distribution method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103967537B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126558A (en) * | 2021-03-29 | 2022-09-30 | 福建福清核电有限公司 | Load measurement and distribution method for high-pressure cylinder of nuclear turbine |
| CN115165328A (en) * | 2022-06-25 | 2022-10-11 | 共享铸钢有限公司 | Casting load distribution test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD244784A1 (en) * | 1985-12-24 | 1987-04-15 | Goerlitzer Maschinenbau Veb | DEVICE FOR POSITIONING PENDULUM STATIONS ON STEAM OR GAS TURBINE HOLES |
| CN101608556A (en) * | 2008-06-19 | 2009-12-23 | 上海电气电站设备有限公司 | A kind of large ground low-pressure internal cylinder |
| CN201428480Y (en) * | 2009-05-19 | 2010-03-24 | 山东齐鲁电机制造有限公司 | Supporting device of high pressure cylinder and front bearing box of steam turbine |
| RO127907A2 (en) * | 2011-04-15 | 2012-10-30 | Gheorghe Olaru | Protected one-way turbine |
| CN202894850U (en) * | 2012-11-18 | 2013-04-24 | 无锡明珠增压器制造有限公司 | Cutting machining fixture of turbine rotor shaft groove |
-
2014
- 2014-05-09 CN CN201410195314.1A patent/CN103967537B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD244784A1 (en) * | 1985-12-24 | 1987-04-15 | Goerlitzer Maschinenbau Veb | DEVICE FOR POSITIONING PENDULUM STATIONS ON STEAM OR GAS TURBINE HOLES |
| CN101608556A (en) * | 2008-06-19 | 2009-12-23 | 上海电气电站设备有限公司 | A kind of large ground low-pressure internal cylinder |
| CN201428480Y (en) * | 2009-05-19 | 2010-03-24 | 山东齐鲁电机制造有限公司 | Supporting device of high pressure cylinder and front bearing box of steam turbine |
| RO127907A2 (en) * | 2011-04-15 | 2012-10-30 | Gheorghe Olaru | Protected one-way turbine |
| CN202894850U (en) * | 2012-11-18 | 2013-04-24 | 无锡明珠增压器制造有限公司 | Cutting machining fixture of turbine rotor shaft groove |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126558A (en) * | 2021-03-29 | 2022-09-30 | 福建福清核电有限公司 | Load measurement and distribution method for high-pressure cylinder of nuclear turbine |
| CN115126558B (en) * | 2021-03-29 | 2024-08-09 | 福建福清核电有限公司 | Method for measuring and distributing load of high-pressure cylinder of nuclear turbine |
| CN115165328A (en) * | 2022-06-25 | 2022-10-11 | 共享铸钢有限公司 | Casting load distribution test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103967537B (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101685043B (en) | Method and device for measuring rigidity of special-shape bearing | |
| CN103967537A (en) | Low-pressure cylinder load distributing method of half-speed turbine | |
| CN204286319U (en) | Involute inner spline interrod spacing measurement mechanism | |
| CN103604339A (en) | Height difference measuring apparatus and measuring method thereof | |
| CN204286937U (en) | A kind of carton checkout equipment | |
| CN104089563A (en) | Measuring method for spherical radial clearance of large radial spherical plain bearing | |
| CN204165530U (en) | Syringe type measuring instrument of microdisplacement | |
| CN205175534U (en) | Normal position weighing device based on axis car | |
| CN110501161A (en) | A method for automatic measurement of rotor bearing load | |
| CN106017791A (en) | Test device for simultaneous calibration of earth pressure boxes in batches | |
| CN104677236A (en) | Multifunctional clamp plate | |
| CN102721544A (en) | Comprehensive performance testing table of overrunning clutch | |
| CN204100971U (en) | A kind of combustion-chamber depth measurement mechanism | |
| CN204165748U (en) | A kind of sensor spring leaf elasticity coefficient test macro | |
| CN104374287A (en) | Measuring tool for key groove in conical surface | |
| CN105081973A (en) | Tool for detecting crank radius of crankshaft and measuring method used by tool | |
| CN205748217U (en) | A kind of straight bevel gear installs device for detecting distance | |
| CN208196170U (en) | A kind of slide that gantry machining center line rail sliding block is fixed | |
| CN103557776B (en) | Measurement clamp for measuring symmetry degree of unfolded control surface and detection method thereof | |
| CN202614459U (en) | Great force strain sensor testing device | |
| CN204438973U (en) | Bench height difference cubing inside and outside engine crank curved bar side | |
| CN205843884U (en) | A kind of realize the batch assay device simultaneously demarcated of soil pressure cell | |
| CN206208665U (en) | A kind of Machine Design prototype experiment stress test device | |
| CN202304676U (en) | Whole set of measuring apparatus for measuring complicated shape and size of a cast | |
| CN202485584U (en) | Special detecting tool for shock-absorbing balance weights of automobile engines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250100 No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee after: POWERCHINA NUCLEAR ENGINEERING Co.,Ltd. Address before: 250100 No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee before: POWERCHINA NUCLEAR ENGINEERING Co. Address after: 250100 No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee after: POWERCHINA NUCLEAR ENGINEERING Co. Address before: 250100 No. 297 industrial North Road, Licheng District, Shandong, Ji'nan Patentee before: SHANDONG ELECTRIC POWER CONSTRUCTION NO.2 Co. |
|
| CP01 | Change in the name or title of a patent holder |