CN105571465A - Clearance measurement method of radial flow passages of fully-assembly cylinder states of steam turbine set - Google Patents
Clearance measurement method of radial flow passages of fully-assembly cylinder states of steam turbine set Download PDFInfo
- Publication number
- CN105571465A CN105571465A CN201510925594.1A CN201510925594A CN105571465A CN 105571465 A CN105571465 A CN 105571465A CN 201510925594 A CN201510925594 A CN 201510925594A CN 105571465 A CN105571465 A CN 105571465A
- Authority
- CN
- China
- Prior art keywords
- rotor
- steam turbine
- gap
- split
- cylinder state
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/003—Measuring of motor parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention provides a clearance measurement method of radial flow passages of fully-assembly cylinder states of a steam turbine set. The clearance measurement method comprises following steps of arranging an identification piece at the bottom of the inner arced face of each of gland sealing rings of the steam turbine set and taking a rotor in place after arranging a first support protection piece; buckling the first half of a separator plate and the first half of a gland sealing body; raising the rotor to a set size and allowing the rotor to stably fall on a bearing bush after taking out the first support protection piece; raising and allowing the rotor to fall on the first support protection piece after arranging the first support protection piece under a shaft neck; lifting away the first half of an outer cylinder, the first half of an inner cylinder and the first half of a separator plate sleeve; and lifting away the rotor, taking out the identification pieces, actually measuring creasing thickness thereof and obtaining gap values of radial flow passages in the lower part of the fully-assembly cylinder states. By arranging an identification piece on the rotor or on the top of an inner hole of a gland sealing ring, taking the rotor in place, buckling first half of all stator parts, and after lifting away first half of the stator parts, taking off the identification piece and actually measuring the creasing thickness thereof, the gap values of the radial flow passages on the top of the fully-assembly cylinder states can be obtained, thereby facilitating gap uniformity control of the radial flow passages.
Description
Technical field
The present invention relates to Steam Turbine measuring of radial gap in flow passage technology, be specifically related to the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine.
Background technology
Along with improving constantly Steam Turbine cost-effectiveness requirement, steam inlet condition and the power of Steam Turbine improve constantly, and require that radial through-flow gap effectively should control by designing requirement, make its meet under the prerequisite of expansion clearance the smaller the better.Steam inlet condition is higher, and radial through-flow gap is less, and after unit lid cylinder, radial through-flow gap surrounding uniformity requirement is higher, to avoid because radial through-flow gap is uneven and make unit shake.
Such as, east 660,000 ultra supercritical barrel-type casing unit high-pressure modular volume is little, fastening under first complete real cylinder state of dividing plate at different levels, because dividing plate diameter of bore is about 600mm, dividing plate centre data at different levels cannot be measured, adopt traditional measuring of radial gap in flow passage method because folding cylinder difference cannot be compensated, and radial through-flow gap actual conditions can not be reflected.And, due to high (the initial steam pressure 25.4MPa of this unit high-pressure admission parameter, throttle (steam) temperature 600 degree), and radial through-flow gap is little and tolerance is little, when constructing, if its radial through-flow gap accurately and reliably can not be obtained, certainly will be difficult to ensure the homogeneity in radial through-flow gap, and then be easy to the steam flow excitation that causes.
For this reason, expect to seek a kind of technical scheme, at least to alleviate the problems referred to above.
Summary of the invention
The technical problem to be solved in the present invention is, there is provided a kind of Steam Turbine complete real cylinder state measuring of radial gap in flow passage method, utilize the method directly accurately, reliably can obtain the complete real cylinder state radial through-flow gap of Steam Turbine, do not need to carry out compensation data, be conducive to the homogeneity controlling radial through-flow gap.
For solving the problems of the technologies described above, the present invention adopts following technical proposals.
A kind of complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine, comprises the steps:
S1, under half real cylinder state, put respectively bottom each circle steam seal ring intrados of described Steam Turbine can be out of shape by the rotor squish of this Steam Turbine and keep be extruded the identification piece of deformed shape and size, cleaning axle journal and after the intrados of bearing shell puts the first supporting and protecting part rotor in place, the measurement point in the split left and right sides measures each axial flow value and record respectively;
S2, locates rotor after completing steps S1;
S3, carry out successively after completing steps S2: fasten dividing plate first and labyrinth casing first, squeeze into register pin closing split gap and meeting the demands; Fasten inner casing first and diaphragm housing ring first, squeeze into split register pin and tight split bolt, meet the demands to this split gap; Fasten outer shell first, squeeze into split register pin tight split bolt, meet the demands to this split gap; And ram's horn support conversion should be carried out to the cylinder that upper ram's horn supports;
S4, is raised up to given dimensional by rotor after completing steps S3, after taking out described first supporting and protecting part, makes rotor drop on described bearing shell reposefully;
S5, is at least raised up to the height of described given dimensional and described first supporting and protecting part thickness sum by rotor after completing steps S4, after putting the first supporting and protecting part, make rotor drop on this first supporting and protecting part reposefully under axle journal;
S6, should carry out upper ram's horn support to the cylinder that upper ram's horn supports;
S7, unclamps outer shell, inner casing, dividing plate split bolt, over hanging successively cylinder first, inner casing first and diaphragm housing ring first;
S8, hangs out rotor, takes out described identification piece;
S9, surveys the impression thickness of the identification piece taken off, and the impression thickness measured value measured by record, obtain the radial through-flow gap width of complete real cylinder state bottom; And
S10, other described identification piece is placed at rotor or steam seal ring endoporus top, rotor in place also fastens first all stator part elimination split gap, after hanging out first all stator part again, take off this other identification piece and survey its impression thickness, record the impression thickness measured value that this is measured, obtain the radial through-flow gap width at complete real cylinder state top.
Described identification piece is along the axially extended column structure of corresponding described steam seal ring.
Described identification piece is made up of ductile metal material.
Described ductile metal material is terne metal.
Described first supporting and protecting part is made up of the material of hardness lower than the hardness of described rotor, bearing shell.
Described first supporting and protecting part is the platy structure that area at least can cover described second intrados of bearing shell.
Described first supporting and protecting part is sheet lead paper.
The thickness of described sheet lead paper is greater than folding cylinder and looks for middle difference and be less than minimum clearance value between rotor and stationary parts top.
Described given dimensional is more than or equal to 0.20mm and is less than or equal to 0.40mm.
The form of construction work that described step S4, S5 rise rotor all adopts the lifting jack jack-up method arranged near the forward and backward axle journal of rotor to rise this rotor.
The present invention has following Advantageous Effects.
According to the design feature of Steam Turbine and the radial through-flow gap difference of complete real cylinder and half real cylinder, propose method of the present invention, it measures the principle in radial through-flow gap: due to the comparatively half real cylinder state existence sinking of the complete real cylinder state cylinder entirety of weight effect, because rotor is motionless, the radial through-flow gap of half real cylinder state bottom is less than the radial through-flow gap of complete real cylinder state.Therefore in half real cylinder state, rotor is risen suitably height, identification piece is made to leave suitable thickness allowance, complete real cylinder state rotor recovers normal installed position and falls, and the identification piece leaving thickness allowance is pressed again, and then obtains the identification piece one-tenth-value thickness 1/10 of complete real cylinder state reality.Measure its impression thickness formed and the method obtaining Steam Turbine radial through-flow gap width does not need to carry out compensation data of being crushed out of shape after this kind of pressure identification piece, be more conducive to the homogeneity controlling radial through-flow gap, high-parameter steam turbine group is run advantageously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of step S1 of the present invention, S2.
Fig. 2 is the schematic diagram of step S3 of the present invention.
Fig. 3 is the schematic diagram of step S4 of the present invention.
Fig. 4 is the schematic diagram of step S5 of the present invention, S6.
Fig. 5 is the schematic diagram of step S7 of the present invention.
Fig. 6 is the vertical view after step S1 of the present invention puts the first supporting and protecting part.
Fig. 7 is the front view of Fig. 6.
Embodiment
For can technical characteristic of the present invention and effect be described in detail, and can realize according to the content of this instructions, below in conjunction with accompanying drawing, embodiments of the present invention be further illustrated.
See Fig. 1 to Fig. 7, it is the complete real cylinder state measuring of radial gap in flow passage method of a kind of Steam Turbine of the present invention.See Fig. 6,7, construction equipment needed for method of the present invention comprises the first supporting and protecting part 7,2 and overlaps dial gauge 9,2 cover V-block 10 and mechanic jacks 11.In the present embodiment, V-block 10 and mechanic jacks 11 form rotor jacking system, and the first supporting and protecting part 7 adopts 3 thickness to be 0.5mm sheet lead paper.Wherein, in Fig. 1-5, code name 1 be stator second, code name 4 is the center of stator part, and code name 5 is the center of rotor 2.Method of the present invention comprises the steps:
S1; under half real cylinder state; put respectively bottom each circle steam seal ring intrados of Steam Turbine can by rotor 2 crimp of this Steam Turbine and keep be extruded the identification piece 3 of deformed shape and size; as shown in Figure 1; cleaning axle journal and after the intrados of bearing shell puts the first supporting and protecting part 7 i.e. sheet lead paper rotor 2 in place; to raise rotor 2; make identification piece 3 leave rotor when sufficient thickness makes complete real cylinder fully to contact with this identification piece 3; measurement point in the split left and right sides measures each axial flow value and record respectively, as shown in Fig. 1,6,7.It is to be noted that after rotor in place 2 in this step, the A(assembly mark by rotor 2) or 0 scale designation forward on the left of cylinder horizontal flange and align; The thickness suggestion of sheet lead paper, lower ram's horn support structure 2 sheet lead paper; Upper ram's horn support structure 3 sheet lead paper; Rotor 2 falls into the rear check bearing shell sideshake depth of parallelism and should meet design requirement, and notes crumpling sheet lead paper when rotor 2 falls into.
S2, locates rotor 2 after completing steps S1.The location dimension location rotor 2 that should require according to main frame certificate or according to rotor 2 end face of the upper procedure calls Distance positioning rotor 2 to bearing housing 8 end face.
S3, carry out successively after completing steps S2: fasten dividing plate first and labyrinth casing first, squeeze into register pin closing split gap and meeting the demands; Fasten inner casing first and diaphragm housing ring first, squeeze into split register pin and tight split bolt, meet the demands to this split gap; Fasten outer shell first, squeeze into split register pin tight split bolt, meet the demands to this split gap; And the support of upper ram's horn should be transformed into the cylinder that upper ram's horn supports.
In S3 step, such as, fasten dividing plate first and labyrinth casing first, squeeze into register pin and be not more than 0.05mm closing the requirement that split gap should meet for this split gap, simultaneously attention dividing plate first, labyrinth casing first and packing segmental arc do not assemble.
And for example, fasten inner casing first and diaphragm housing ring first, squeeze into split register pin and tight split bolt, meet the demands to split gap as this split gap 0.03mm clearance gauge does not enter.
For another example, fasten outer shell first, squeeze into split register pin tight split bolt, meet the demands to this split gap as this split gap 0.03mm clearance gauge does not enter, notice that split bolt near close ram's horn support place must tightly simultaneously.
In S3 step, the concrete operations of ram's horn support conversion should be carried out as following to the cylinder that upper ram's horn supports.
A. at the added dial gauge of bearing housing split, indicator points to upper ram's horn top, returns to zero after dial gauge precompressed 5mm.
B. adopt but be not limited to the rotor jacking system that V-block 10 and mechanic jacks 11 form and cylinder jack-up such as 0.2mm is put upper ram's horn support pad, and extract lower ram's horn support pad out.
C. go up after ram's horn supports and should note checking that dial gauge reading variable quantity is not more than 0.02mm.
D. go up after ram's horn supports and should check that outer shell split gap 0.03mm clearance gauge does not enter, defectively should strengthen bolt tightening moment.
Attention: during ram's horn jack-up rotor 2, the left and right sides should simultaneously jack-up, if do not possess jack-up condition simultaneously, then the left and right sides intersects jack-up, and each jack-up amount is 0.10mm.During jack-up, axial bond pad assembles on request.
Above-mentioned steps S3 is see Fig. 2.
S4, is raised up to given dimensional by rotor 2 after completing steps S3, after taking out the first supporting and protecting part 7 i.e. sheet lead paper, rotor is dropped on bearing shell reposefully.This given dimensional is more than or equal to 0.20mm and to be less than or equal to 0.40mm better.See Fig. 3.
Should note in S4 step: when sheet lead paper is extracted out, axle journal and Babbit metal must not be damaged.Must not rock about when rotor rise, landing.
S5, is at least raised up to the height of given dimensional and the first supporting and protecting part 7 thickness sum by rotor 2 after completing steps S4, after putting the first supporting and protecting part 7, rotor 2 is dropped on this first supporting and protecting part 7 reposefully under axle journal.
The form of construction work that above-mentioned steps S4, S5 rise rotor all adopts but is not limited to the rotor jacking system rotor mode jack-up rotor 2 of lifting jack 11 and V-block 10 formation of arranging respectively near the forward and backward side of rotor journal, thus realizes rising rotor 2.Be understandable that, the mode that realize rising rotor 2 is not limited to aforementioned manner, can also adopt other modes, such as, and such as hoisting device hoisting way, hydraulic lifting mode, etc.
Aforementioned lifting jack 11 adopts but is not limited to mechanic jacks.
Require forward and backward axle journal lifting heights synchronous in S4, S5 step and consistent.At axle bearing split bearing 8 centerline frame table 9 before rotor rises, indicator points to axle journal top, to monitor the actual rise of rotor.
S6, should carry out ram's horn support conversion to the cylinder that upper ram's horn supports.
In S6 step, the concrete operations of ram's horn support conversion should be carried out as following to the cylinder that upper ram's horn supports.
A. at the added dial gauge of bearing housing, indicator points to upper ram's horn top, returns to zero after dial gauge precompressed 5mm.
B. cylinder jack-up 0.2mm is put lower ram's horn support pad, and extract upper ram's horn support pad out.
C. should note after descending ram's horn to support checking that dial gauge reading variable quantity is not more than 0.02mm.
Above-mentioned steps S5, S6 are see Fig. 4.
S7, unclamps outer shell, inner casing, dividing plate split bolt, over hanging successively cylinder first, inner casing first and diaphragm housing ring first; See Fig. 5.
S8, hangs out rotor 2, takes out identification piece 3.
S9, surveys the impression thickness of the identification piece 3 taken off, and the impression thickness measured value measured by record, obtain the radial through-flow gap width of complete real cylinder state bottom, this impression thickness very can reflect radial through-flow gap, bottom in fact, more can ensure through-flow gap homogeneity.
S10, other identification piece 3 is placed at rotor 3 or steam seal ring endoporus top, rotor 2 in place also fastens first all stator part elimination split gap, after hanging out first all stator part again, take off its impression thickness that this other identification piece 3 also surveys the identification piece 3 taken off, record the impression thickness measured value that this is measured, obtain the radial through-flow gap width at complete real cylinder state top.
In certain embodiments, identification piece 3 is better along the axially extended column structure of corresponding steam seal ring.
Identification piece 3 adopts but is not limited to be made up of ductile metal material.Such as, ductile metal material can be but be not limited to terne metal, is commonly called as galvanized wire.
In certain embodiments, the first supporting and protecting part 7 is made better, as sheet lead paper, asbestos paper etc., in order to avoid damaging rotor 2 and bearing shell by hardness lower than the material of the hardness of rotor 2, bearing shell.
In certain embodiments; first supporting and protecting part 7 is the platy structure that area at least can cover second intrados of bearing shell; the such as above-mentioned sheet lead paper mentioned, width and the length of the first supporting and protecting part 7 should be not less than bearing 8 width and length, and protection rotor 2 is in order to avoid damage.The thickness of the first supporting and protecting part 7 is greater than folding cylinder and looks for middle difference and to be less than minimum clearance value between rotor and stationary parts top better; when also having enough surpluses to make complete real cylinder to make the identification piece 3 i.e. above-mentioned galvanized wire of having been pressed by half real cylinder, rotor 2 contacts with the above-mentioned galvanized wire of identification piece 3, and does not make rotor 2 and first stator part collide.
It should be noted that, each the concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any applicable mode.Different each concrete technical characteristic described in embodiment, in reconcilable situation, also can be combined by any applicable mode each other.In order to avoid unnecessary repetition, the present invention is no longer described various possible array mode.
Above with reference to embodiment to invention has been detailed description, be illustrative and not restrictive, in the change do not departed under general plotting of the present invention and amendment, all within protection scope of the present invention.
Claims (10)
1. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine, is characterized in that, comprise the steps:
S1, under half real cylinder state, put respectively bottom each circle steam seal ring intrados of described Steam Turbine can be out of shape by the rotor squish of this Steam Turbine and keep be extruded the identification piece of deformed shape and size, cleaning axle journal and after the intrados of bearing shell puts the first supporting and protecting part rotor in place, the measurement point in the split left and right sides measures each axial flow value and record respectively;
S2, locates rotor after completing steps S1;
S3, carry out successively after completing steps S2: fasten dividing plate first and labyrinth casing first, squeeze into register pin closing split gap and meeting the demands; Fasten inner casing first and diaphragm housing ring first, squeeze into split register pin and tight split bolt, meet the demands to this split gap; Fasten outer shell first, squeeze into split register pin tight split bolt, meet the demands to this split gap; And ram's horn support conversion should be carried out to the cylinder that upper ram's horn supports;
S4, is raised up to given dimensional by rotor after completing steps S3, after taking out described first supporting and protecting part, makes rotor drop on described bearing shell reposefully;
S5, is at least raised up to the height of described given dimensional and described first supporting and protecting part thickness sum by rotor after completing steps S4, after putting the first supporting and protecting part, make rotor drop on this first supporting and protecting part reposefully under axle journal;
S6, should carry out upper ram's horn support to the cylinder that upper ram's horn supports;
S7, unclamps outer shell, inner casing, dividing plate split bolt, over hanging successively cylinder first, inner casing first and diaphragm housing ring first;
S8, hangs out rotor, takes out described identification piece;
S9, surveys the impression thickness of the identification piece taken off, and the impression thickness measured value measured by record, obtain the radial through-flow gap width of complete real cylinder state bottom; And
S10, other described identification piece is placed at rotor or steam seal ring endoporus top, rotor in place also fastens first all stator part elimination split gap, after hanging out first all stator part again, take off this other identification piece and survey its impression thickness, record the impression thickness measured value that this is measured, obtain the radial through-flow gap width at complete real cylinder state top.
2. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine according to claim 1, it is characterized in that, described identification piece is along the axially extended column structure of corresponding described steam seal ring.
3. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine according to claim 1, it is characterized in that, described identification piece is made up of ductile metal material.
4. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine according to claim 3, it is characterized in that, described ductile metal material is terne metal.
5. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine according to claim 1, it is characterized in that, described first supporting and protecting part is made up of the material of hardness lower than the hardness of described rotor, bearing shell.
6. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine according to claim 5, it is characterized in that, described first supporting and protecting part is the platy structure that area at least can cover described second intrados of bearing shell.
7. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine according to claim 6, it is characterized in that, described first supporting and protecting part is sheet lead paper.
8. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine according to claim 7, is characterized in that, the thickness of described sheet lead paper is greater than folding cylinder and looks for middle difference and be less than minimum clearance value between rotor and stationary parts top.
9. the complete real cylinder state measuring of radial gap in flow passage method of Steam Turbine according to claim 1, it is characterized in that, described given dimensional is more than or equal to 0.20mm and is less than or equal to 0.40mm.
10. the complete real cylinder state measuring of radial gap in flow passage method of the Steam Turbine according to any one of claim 1 to 9, it is characterized in that, the form of construction work that described step S4, S5 rise rotor all adopts the lifting jack jack-up method arranged near the forward and backward axle journal of rotor to rise this rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925594.1A CN105571465B (en) | 2015-12-11 | 2015-12-11 | Steam Turbine real cylinder state measuring of radial gap in flow passage method entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925594.1A CN105571465B (en) | 2015-12-11 | 2015-12-11 | Steam Turbine real cylinder state measuring of radial gap in flow passage method entirely |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105571465A true CN105571465A (en) | 2016-05-11 |
| CN105571465B CN105571465B (en) | 2018-06-26 |
Family
ID=55881873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510925594.1A Active CN105571465B (en) | 2015-12-11 | 2015-12-11 | Steam Turbine real cylinder state measuring of radial gap in flow passage method entirely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105571465B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524873A (en) * | 2016-11-07 | 2017-03-22 | 中广核工程有限公司 | Steam turbine radial flow clearance measurement method |
| CN106593551A (en) * | 2017-01-20 | 2017-04-26 | 中广核工程有限公司 | Control method for cylinder collision tests of large turboset |
| CN107356182A (en) * | 2017-08-18 | 2017-11-17 | 南京工艺装备制造有限公司 | A kind of ball screw assembly, radial clearance measurement apparatus |
| CN108072308A (en) * | 2017-09-05 | 2018-05-25 | 中国电建集团河南工程有限公司 | Large turbine-generator set shafting radial clearance measures and method of adjustment |
| CN108709511A (en) * | 2018-05-23 | 2018-10-26 | 哈尔滨工业大学 | A kind of steam turbine through-flow gap detection method under real cylinder state entirely |
| CN109724499A (en) * | 2018-12-25 | 2019-05-07 | 合肥中科离子医学技术装备有限公司 | One kind being used for cyclotron magnetic pole gap measuring device and method |
| CN109916271A (en) * | 2019-03-28 | 2019-06-21 | 江苏核电有限公司 | A kind of measurement method for the sealing bearing bush radial clearance being included in thermal deformation |
| CN113654427A (en) * | 2021-06-29 | 2021-11-16 | 中国电建集团山东电力建设第一工程有限公司 | Tool and method for measuring moving and static positions of zero-bearing supported intermediate pressure cylinder during false tile removal |
| CN115749994A (en) * | 2022-12-19 | 2023-03-07 | 东方电气集团东方汽轮机有限公司 | Controllable unit differential expansion adjusting system and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003262101A (en) * | 2002-03-08 | 2003-09-19 | Jfe Steel Kk | Gap dimension measuring method for turbine rotor section |
| CN1952590A (en) * | 2006-11-10 | 2007-04-25 | 东北电力大学 | On-line monitoring method for variation of through-flow gap of steam turbine |
| CN201233214Y (en) * | 2008-06-20 | 2009-05-06 | 哈尔滨汽轮机厂有限责任公司 | Steam turbine through flow clearance measurement ruler |
| JP2009257881A (en) * | 2008-04-15 | 2009-11-05 | Toyota Motor Corp | Gap gauge |
| CN102213110A (en) * | 2010-04-02 | 2011-10-12 | 河南第二火电建设公司 | Method and tool for measuring and trimming steam sealing radial gap of steam turbine set |
| CN104061840A (en) * | 2014-06-20 | 2014-09-24 | 山东电力建设第一工程公司 | Steam turbine rotor and partition board gap measuring tool and manufacturing mold thereof |
-
2015
- 2015-12-11 CN CN201510925594.1A patent/CN105571465B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003262101A (en) * | 2002-03-08 | 2003-09-19 | Jfe Steel Kk | Gap dimension measuring method for turbine rotor section |
| CN1952590A (en) * | 2006-11-10 | 2007-04-25 | 东北电力大学 | On-line monitoring method for variation of through-flow gap of steam turbine |
| JP2009257881A (en) * | 2008-04-15 | 2009-11-05 | Toyota Motor Corp | Gap gauge |
| CN201233214Y (en) * | 2008-06-20 | 2009-05-06 | 哈尔滨汽轮机厂有限责任公司 | Steam turbine through flow clearance measurement ruler |
| CN102213110A (en) * | 2010-04-02 | 2011-10-12 | 河南第二火电建设公司 | Method and tool for measuring and trimming steam sealing radial gap of steam turbine set |
| CN104061840A (en) * | 2014-06-20 | 2014-09-24 | 山东电力建设第一工程公司 | Steam turbine rotor and partition board gap measuring tool and manufacturing mold thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524873A (en) * | 2016-11-07 | 2017-03-22 | 中广核工程有限公司 | Steam turbine radial flow clearance measurement method |
| CN106593551A (en) * | 2017-01-20 | 2017-04-26 | 中广核工程有限公司 | Control method for cylinder collision tests of large turboset |
| CN106593551B (en) * | 2017-01-20 | 2019-05-17 | 中广核工程有限公司 | A kind of Large Steam Turbine Sets touch the control method of cylinder test |
| CN107356182A (en) * | 2017-08-18 | 2017-11-17 | 南京工艺装备制造有限公司 | A kind of ball screw assembly, radial clearance measurement apparatus |
| CN108072308A (en) * | 2017-09-05 | 2018-05-25 | 中国电建集团河南工程有限公司 | Large turbine-generator set shafting radial clearance measures and method of adjustment |
| CN108709511A (en) * | 2018-05-23 | 2018-10-26 | 哈尔滨工业大学 | A kind of steam turbine through-flow gap detection method under real cylinder state entirely |
| CN109724499A (en) * | 2018-12-25 | 2019-05-07 | 合肥中科离子医学技术装备有限公司 | One kind being used for cyclotron magnetic pole gap measuring device and method |
| CN109916271A (en) * | 2019-03-28 | 2019-06-21 | 江苏核电有限公司 | A kind of measurement method for the sealing bearing bush radial clearance being included in thermal deformation |
| CN113654427A (en) * | 2021-06-29 | 2021-11-16 | 中国电建集团山东电力建设第一工程有限公司 | Tool and method for measuring moving and static positions of zero-bearing supported intermediate pressure cylinder during false tile removal |
| CN113654427B (en) * | 2021-06-29 | 2022-09-06 | 中国电建集团山东电力建设第一工程有限公司 | Tool and method for measuring moving and static positions of zero-bearing supported intermediate pressure cylinder during false tile removal |
| CN115749994A (en) * | 2022-12-19 | 2023-03-07 | 东方电气集团东方汽轮机有限公司 | Controllable unit differential expansion adjusting system and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105571465B (en) | 2018-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105571465A (en) | Clearance measurement method of radial flow passages of fully-assembly cylinder states of steam turbine set | |
| CN103939156B (en) | Method for installing nuclear power half-speed steam turbine | |
| CN110823612B (en) | Tunnel surrounding rock lining composite structure stress waterproof test system and method | |
| JP6000071B2 (en) | Steam turbine | |
| CN102975013A (en) | Low temperature exhaust heat recycling turbine generator rotor predetermined center installation method | |
| CN112128040B (en) | Inspection method for upper and lower leak-stopping rings of vertical shaft mixed-flow water turbine | |
| Hornung et al. | Buckling loads of tank shells with imperfections | |
| CN115452572B (en) | Test device and method for testing neutral axis position and longitudinal equivalent bending stiffness of shield tunnel | |
| CN104776999B (en) | A kind of engine combines piston machine fatigue experimental device | |
| CN105157975B (en) | The method that ring axial compression displacement deflection is obturaged in control and measurement | |
| CN103471560A (en) | Detection method for steam turbine set of nuclear power station | |
| CN107303941A (en) | The derrick and its centering installation method of offshore drilling ship | |
| CN105043731A (en) | Contractive packer simulation test device and test method | |
| CN104896094B (en) | Self-sealing ring and machining method thereof | |
| CN204438968U (en) | Engine piston protrudes cylinder face appliance special for detecting | |
| CN203203877U (en) | Turbine partition plate deflection testing machine | |
| CN104655414B (en) | A kind of crankshaft front oil seal-mounting test tool | |
| CN109827688A (en) | The measurement method of bearing support reaction | |
| CN215369962U (en) | Integral supply type high-pressure cylinder convenient for measuring dynamic and static positions | |
| CN115219108A (en) | Leakage detection device for generator hydrogen cooler and test method | |
| CN112360582B (en) | High-medium-pressure non-dummy shaft final assembly method for remanufacturing unit | |
| CN107178101A (en) | Self-balancing approach annular load box | |
| CN109014648B (en) | Welding structure of steel casting metal defect digging repair welding groove and reinforcement method thereof | |
| CN206888031U (en) | The annular load box of self-balancing approach | |
| CN204237813U (en) | Rule steel He Laousi equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |