CN109458232A - A method of measurement cylinder partition low-lying area nest and its leaf top resistance vapour piece are concentric - Google Patents

A method of measurement cylinder partition low-lying area nest and its leaf top resistance vapour piece are concentric Download PDF

Info

Publication number
CN109458232A
CN109458232A CN201811558144.3A CN201811558144A CN109458232A CN 109458232 A CN109458232 A CN 109458232A CN 201811558144 A CN201811558144 A CN 201811558144A CN 109458232 A CN109458232 A CN 109458232A
Authority
CN
China
Prior art keywords
clapboard
leaf
tested
lying area
low
Prior art date
Application number
CN201811558144.3A
Other languages
Chinese (zh)
Other versions
CN109458232B (en
Inventor
原帅
关运生
李生璐
郑华兵
黄祥君
何志德
段宪东
蔡勇军
罗林
刘思伟
蔡宝金
何洪义
苏志刚
贾凯利
张平
张亚辉
杨秀武
阮冰
张晓飞
郑志平
吴琼
Original Assignee
中广核核电运营有限公司
中国广核集团有限公司
中国广核电力股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CN201811203325 priority Critical
Priority to CN2018112033254 priority
Application filed by 中广核核电运营有限公司, 中国广核集团有限公司, 中国广核电力股份有限公司 filed Critical 中广核核电运营有限公司
Publication of CN109458232A publication Critical patent/CN109458232A/en
Application granted granted Critical
Publication of CN109458232B publication Critical patent/CN109458232B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003Arrangements for testing or measuring

Abstract

The present invention relates to a kind of concentric methods of measurement cylinder partition low-lying area nest and its leaf top resistance vapour piece, use laser tracking measurement system, measure according to the following steps: step S1: measuring and recording the temperature data under current environment with separator material same metal using the temp probe, measures and records partition low-lying area nest using the laser tracker and its leaf top hinders each spatial point position data of vapour piece tooth tip;Step S2: partition low-lying area nest is fitted by the position data using the user terminal, create the partition low-lying area nest center line, it is fitted partition leaf top and hinders each spatial point of vapour piece tooth tip to the vertical range of the partition low-lying area nest center line, partition low-lying area nest is assessed by the vertical range and its leaf top hinders the concentric degree of vapour piece.This approach enhance the understandings to the through-flow situation of steam-turbine unit, further increase unit reliability of operation and safety.

Description

A method of measurement cylinder partition low-lying area nest and its leaf top resistance vapour piece are concentric

Technical field

The present invention relates to steam turbine fields of measurement more particularly to a kind of laser tracker measuring system measurement cylinder partition are hollow Nest and its leaf top hinder the concentric method of vapour piece.

Background technique

In recent years, as dynamics of the country to energy-saving and emission-reduction gradually increases and fast development to nuclear power industry, each fire Electric enterprise is higher and higher to generating efficiency requirement, and the safety requirements that each nuclear power enterprise runs unit is also higher and higher.Therefore, right For steam turbine maintenance, the measurement and adjustment of Turbine Flow Path are the generating efficiency for influencing unit and the weight of safe operation Want a ring.

Currently, during measuring steam turbine moving-stator blade top radial through-flow, it is four up and down radial using only measurement The through-flow gap in orientation represents the open position of whole circumference, and does not measure the clearance condition in other orientation of circumference.And Measurement method is relatively backward, and left and right is measured using clearance gauge, uses pressing lead wires up and down or wraps up in adhesive plaster measurement.

Therefore, how more realistically and quickly and easily to understand blade tip clearance open position, more accurately assess unit High efficiency and safety be more important project at present.

In order to solve this problem, the present invention provides it is a kind of using laser measuring technique measurement partition leaf top resistance vapour piece with every The concentric method of plate low-lying area nest, it is intended to the through-flow situation at steam turbine leaf top part more comprehensively, is accurately understood, to improve unit effect Rate enhances unit operational safety.

Summary of the invention

The technical problem to be solved in the present invention is that providing a kind of measurement cylinder partition low-lying area nest and its leaf top resistance vapour piece is concentric Method;

The technical solution adopted by the present invention to solve the technical problems is: a kind of measurement cylinder partition low-lying area nest and its resistance of leaf top The concentric method of vapour piece, is measured using laser tracking measurement system, and the laser tracking measurement system includes user terminal And the laser tracker and basic target ball seat being attached thereto, the laser tracker are provided with temp probe, according to the following steps It measures:

Step S1: the temperature number under current environment with separator material same metal is measured and recorded using the temp probe According to measuring and recording partition low-lying area nest and its leaf top using the laser tracker and hinder each spatial point position number of vapour piece tooth tip According to;

Step S2: partition low-lying area nest is fitted by the position data using the user terminal, creates the partition Hollow nest center line, be fitted partition leaf top hinder each spatial point of vapour piece tooth tip to the partition low-lying area nest center line vertical range, Partition low-lying area nest is assessed by the vertical range and its leaf top hinders the concentric degree of vapour piece.

Preferably, the step S1 further comprises:

Step S11: cylinder disintegrates, and hangs out upper half cylinder, upper spacer, rotor to specific service area, is in the cylinder The state that lower clapboard is not hung out;Then, all gland blocks of the upper spacer Yu the lower clapboard are dismantled;

Step S12: the laser tracker is carried to lower half cylinder service area, powers on preheating;Meanwhile selected institute Stating lower clapboard, wherein level-one is tested lower clapboard, and the laser tracker hold-down support is fastened on the tested lower clapboard phase On the hollow nest of adjacent level-one, guarantees the laser tracker while detecting the tested lower clapboard low-lying area nest and its leaf top resistance vapour piece.

Step S13: after the laser tracker warm operation, parametric calibration is carried out using the user terminal;

Step S14: the laser tracker is fixed on the hold-down support that frame is good, and makes gauge head downward;

Step S15: it is measured and recorded using the temp probe identical as the tested lower clapboard material under current environment The temperature data of metal measures and records the tested lower clapboard low-lying area nest using the laser tracker and its leaf top hinders vapour piece tooth Each spatial point position data of point.

Preferably, the step S15 further comprises

Step S151: using the temp probe measure and record under current environment with the tested lower clapboard same metal The initial temperature data of material;

Step S152: using the user terminal measurement and the tested lower clapboard low-lying area nest surface is recorded in a circumferential direction The position data of at least six point;

Step S153: using the user terminal measurement and the tested lower clapboard leaf top resistance vapour piece tooth tip is recorded described The spatial point position data of different direction on circumferencial direction;

Step S154: the temp probe measure and record under current environment with the tested lower clapboard same metal material Final temperature data.

Preferably, the test quantity of the spatial point in the step S153 and test orientation are according under described be tested Baffle dimensions, the cylinder unit operating condition are determined.

Preferably, the step S2 further comprises:

Step S21: temperature is carried out to the initial temperature data and the final temperature data using the user terminal Degree compensation;

Step S22: using the user terminal, body is fitted the tested lower clapboard low-lying area nest characterized by cylinder, to the circle Coordinate in column carries out noise reduction process;The center of circle for establishing bottom surface on the cylinder is key point, connects the center of circle with straight line As the tested lower clapboard low-lying area nest center line, using wherein one center of circle as origin, with the tested lower clapboard low-lying area nest center Line is X-axis, is straight up Z axis, establishes space coordinates;

Step S23: tested lower clapboard leaf top resistance each spatial point of vapour piece tooth tip is fitted using the user terminal and is arrived The vertical range of the tested lower clapboard low-lying area nest center line, by the vertical range assess the tested lower clapboard low-lying area nest and its Leaf top hinders the concentric degree of vapour piece.

Preferably, the step S2 further comprises:

Step S24: the repeating said steps S151-S154 and step S21-23, measures one by one and fits all Each spatial point is hung down to the vertical range of respective hollow nest center line by described on the lower clapboard leaf top resistance vapour piece tooth tip that can be surveyed The concentric degree of straight distance assessment lower clapboard leaf top resistance vapour piece and respective hollow nest.

Preferably, the step S1 further comprises:

Step S16: after the completion of lower clapboard measurement work, by the laser tracker be carried to the cylinder on every Plate service area measures upper spacer low-lying area nest and its leaf top resistance concentric degree of vapour piece.

Preferably, the step S2 further comprises:

Step S25: it based on step S24, measures one by one and fits all upper spacer leaf top resistance vapour piece teeth that can be surveyed On point each spatial point to respective hollow nest center line vertical range, by the vertical range assess upper spacer low-lying area nest and its Leaf top hinders the concentric degree of vapour piece.

Preferably, the step S1 includes:

Step S101: disintegration cylinder, and retain lower clapboard in the cylinder body of the cylinder;

Step S102: the laser tracker is preheated;And after warm operation, joined using the user terminal Number calibration;

Step S103: selecting the lower clapboard, wherein level-one is tested lower clapboard, and the laser tracker is erected at On the horizontal flange of the cylinder block of the adjacent side of the tested lower clapboard;Described in being fixed on the cylinder face of the cylinder body At least five basic target ball seat of laser tracker measuring system;

Step S104: the temp probe measure and record under current environment with the tested lower clapboard same metal material Initial temperature;

Step S105: the space coordinate of basic target ball seat described in the user terminal measurement is used;

Step S106: the tested lower clapboard low-lying area nest and its leaf top hinder vapour piece tooth tip space coordinate under measurement present viewing field;

Step S107: the laser tracker in the laser tracker measuring system is transferred to the tested lower clapboard The adjacent other side measures the space coordinate of the basic target ball seat again, and turns the tested lower clapboard low-lying area nest under the rearward vision of station And its leaf top hinders vapour piece tooth tip space coordinate;

Step S108: the temp probe measure and record under current environment with the tested lower clapboard same metal material Final temperature.

Preferably, the step S2 further include:

Step S201: the space coordinate of the basic target ball seat under two websites is fitted to together using the user terminal In one coordinate system, and temperature-compensating is carried out to the initial temperature and the final temperature;

Step S202: using the user terminal, body is fitted the tested lower clapboard low-lying area nest characterized by cylinder, to described Coordinate in cylinder carries out noise reduction process;The center of circle for establishing bottom surface on the cylinder is key point, connects the circle with straight line The heart is as the tested lower clapboard low-lying area nest center line, using wherein one center of circle as origin, in the tested lower clapboard low-lying area nest Heart line is X-axis, is straight up Z axis, establishes space coordinates;

Step S203: tested lower clapboard leaf top resistance each spatial point of vapour piece tooth tip is fitted using the user terminal and is arrived The vertical range of the tested lower clapboard low-lying area nest center line, by the vertical range assess the tested lower clapboard low-lying area nest and its Leaf top hinders the concentric degree of vapour piece.

Step S204: the repeating said steps S103-S108 and step S201-S203, measures one by one and fits Each spatial point passes through institute to the vertical range of respective hollow nest center line on all lower clapboard leaf top resistance vapour piece tooth tips that can be surveyed State the concentric degree that vertical range assesses lower clapboard leaf top resistance vapour piece with respective hollow nest;

Implement the invention has the following advantages: use laser tracker measuring system measurement cylinder partition hollow nest with And the space coordinate with level-one leaf top resistance vapour piece circumferencial direction different location, it fits each orientation partition leaf top and hinders vapour piece to partition The distance at hollow nest center can more accurately understand to assess the concentric degree of partition leaf top resistance vapour piece and partition low-lying area nest center Situation that steam-turbine unit is through-flow enhances unit operational safety to be conducive to improve unit efficiency.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:

Fig. 1 is that laser tracker measuring system measurement cylinder partition low-lying area nest of the present invention and its leaf top hinder the concentric method of vapour piece Flow chart;

Fig. 2 is the specific flow chart of step S1 in one embodiment of the invention;

Fig. 3 is the specific flow chart of step S15 in one embodiment of the invention;

Fig. 4 is the specific flow chart of step S2 in one embodiment of the invention;

Fig. 5 is the specific flow chart of another embodiment of the present invention step S1;

Fig. 6 is the specific flow chart of another embodiment of the present invention step S2;

Fig. 7 is the horizontal flange view of partition board of steam turbine of the invention, wherein 1- leaf top hinders vapour piece, and 2- leaf top hinders vapour Piece tooth tip, 3- diaphragm gland block, 4- partition low-lying area nest;

Fig. 8 is the fixation bracket figure of laser tracker of the present invention.

Specific embodiment

As shown in Figure 1, being laser tracker measuring system measurement cylinder partition low-lying area nest and its leaf top resistance vapour piece of the invention Concentric method, suitable for turbine high-pressure partition, press the partition of partition, all types cylinder such as low voltage partition plate.

As shown in fig. 7, being the horizontal flange view of partition board of steam turbine of the invention, since present invention measurement lower clapboard is hollow It is similar that nest and its leaf top concentric step of resistance vapour piece and test upper spacer low-lying area nest and its leaf top hinder the concentric step of vapour piece, therefore, In this implementation for measuring lower clapboard low-lying area nest and its concentric step of leaf top resistance vapour piece.

As shown in Figure 1, in the present embodiment, laser tracking measurement system includes user terminal and the laser being attached thereto Tracker and basic target ball seat, the laser tracker are provided with temp probe, the user terminal include but is not limited to desktop computer, The equipment such as laptop computer, handheld terminal are measured according to the following steps using laser tracker measuring system:

Step S1: measuring and recording the temperature data under current environment with separator material same metal using temp probe, Partition low-lying area nest and its leaf top resistance each spatial point position data of vapour piece tooth tip are measured and recorded using laser tracker;

Step S2: using user terminal by position data be fitted partition low-lying area nest, create partition low-lying area nest center line, be fitted every Plate leaf top hinder each spatial point of vapour piece tooth tip arrive partition low-lying area nest center line vertical range, by vertical range assessment partition low-lying area nest and Its leaf top hinders the concentric degree of vapour piece.

As shown in Fig. 2, step S1 further comprises:

Step S11: cylinder disintegrate, hang out upper half cylinder, upper spacer, rotor to specific service area, make cylinder be in down every The state that plate is not hung out;Then, all gland blocks of upper spacer and lower clapboard are dismantled.

Specifically, cylinder is disintegrated, the upper half such as upper cylinder half, upper spacer component is hung out to specific service area;Handling rotor is extremely Specific service area makes cylinder be in the state that lower clapboard is not hung out;Then, all gland blocks of upper and lower partition are dismantled.

Step S12: laser tracker is carried to lower half cylinder service area, powers on preheating;Meanwhile selected lower clapboard Wherein level-one is tested lower clapboard, and laser tracker hold-down support is fastened on the hollow nest of the adjacent level-one of tested lower clapboard, Guarantee that laser tracker detects tested lower clapboard low-lying area nest simultaneously and its leaf top hinders vapour piece.

Specifically, laser tracker is carried to lower half cylinder space for maintenance, preheating is powered on, select lower clapboard wherein one Grade lower clapboard is tested lower clapboard, and special laser tracker hold-down support is fastened on to the phase for closing on tested lower clapboard resistance vapour piece On the hollow nest of adjacent level-one lower clapboard, after guaranteeing that laser tracker is set up on the support, the hollow nest of tested lower clapboard can be measured simultaneously And its leaf top hinders vapour piece, the adjacent level-one refer to can guarantee laser tracker can see simultaneously tested lower clapboard resistance vapour piece and by The level-one of lower clapboard low-lying area nest is surveyed, in the art, because level-one partition can divide front and back stages adjacent separator, and in addition level-one is adjacent Partition, which can't see, hinders vapour piece by wing curtain.

Step S13: after laser tracker warm operation, parametric calibration is carried out using user terminal.

Specifically, using the Tracker Calib software calibration instrument of user terminal after laser tracker preheating Device parameter.

Step S14: laser tracker is fixed on the hold-down support that frame is good, and makes gauge head downward;

Step S15: the temperature under current environment with tested lower clapboard material same metal is measured and recorded using temp probe Degree evidence measures and records tested lower clapboard low-lying area nest using laser tracker and its leaf top hinders each spatial point position number of vapour piece tooth tip According to.

As shown in figure 3, in the present embodiment, step S15 further comprises

Step S151: it is measured and recorded using temp probe first with tested lower clapboard same metal material under current environment Beginning temperature data;

Specifically, using the temp probe above laser tracker measure and record under current environment with tested lower clapboard phase Non- to refer in particular to leaf top resistance vapour piece temperature with the initial temperature data of metal material, cylinder partition is defaulted as with leaf top resistance vapour sheet material Unanimously, it will be appreciated by those skilled in the art that the technical operation.

Step S152: using user terminal measurement and tested lower clapboard low-lying area nest surface at least six in a circumferential direction is recorded The position data of point;

Specifically, Spatial Analyzer (referred to as: SA) software using user terminal measures tested lower clapboard low-lying area nest Surface measures the position data of 6 points with being at least uniformly dispersed in tested lower clapboard low-lying area nest circumferencial direction, further, survey It measures the tested lower clapboard low-lying area nest surface take a little using the method for scanning, scanning range is at least more than 120 °.

Step S153: vapour piece tooth tip is hindered in a circumferential direction not using user terminal measurement and the tested lower clapboard leaf top of record With the spatial point position data in orientation;Further, the test quantity of the spatial point in step S153 and test orientation root It is determined according to factors such as tested lower clapboard size, the cylinder unit operating conditions.

Step S154: temp probe measures and records the most final temperature under current environment with tested lower clapboard same metal material Degree evidence.

Specifically, using the temp probe above laser tracker measure and record under current environment with tested lower clapboard phase Non- to refer in particular to leaf top resistance vapour piece temperature with the final temperature data of metal material, cylinder partition is defaulted as with leaf top resistance vapour sheet material Unanimously, it will be appreciated by those skilled in the art that the technical operation.

As shown in figure 4, in the present embodiment, step S2 further comprises:

Step S21: temperature-compensating is carried out to initial temperature data and final temperature data using user terminal.

Specifically, the partition initial temperature data and final temperature number that are recorded by the SA software of user terminal to measurement According to carrying out temperature-compensating, so that entire measurement is under unified temperature, because in measurement process, tested lower clapboard may be because of Temperature and lead to slight deformation, cause measurement result there are deviation, temperature-compensating carried out to the temperature of measurement, can to survey It is more acurrate to measure result.

Step S22: using user terminal, body is fitted tested lower clapboard low-lying area nest characterized by cylinder, to the coordinate in cylinder into Row noise reduction process;The center of circle for establishing bottom surface on cylinder is key point, connects the center of circle as tested lower clapboard low-lying area nest using straight line Center line, using tested lower clapboard low-lying area nest center line as X-axis, is straight up Z axis, establishes space using a wherein center of circle as origin Coordinate system;

Step S23: using user terminal fit tested lower clapboard leaf top resistance each spatial point of vapour piece tooth tip to be tested under every The vertical range of plate low-lying area nest center line assesses tested lower clapboard low-lying area nest by the vertical range and its leaf top hinders the concentric journey of vapour piece Degree.

In the present embodiment, step S2 further comprises

Step S24: repeating step S151-S154 and step S21-23, measures and is fitted under all energy surveys one by one Partition leaf top hinders the vertical range of each spatial point on vapour piece tooth tip to respective hollow nest center line, by vertical range assess it is all under Partition leaf top hinders the concentric degree of vapour piece with respective hollow nest.

In the present embodiment, step S1 further comprises:

Step S16: after the completion of lower clapboard measures work, the upper spacer that laser tracker is carried to the cylinder is overhauled into area Domain, measures upper spacer low-lying area nest and its leaf top hinders the concentric degree of vapour piece.

Step S2 further comprises:

Step S25: it based on step S24, measures one by one and fits all upper spacer leaf top resistance vapour piece teeth that can be surveyed Each spatial point assesses upper spacer low-lying area nest and its leaf top by vertical range to the vertical range of respective hollow nest center line on point Hinder the concentric degree of vapour piece.

Specifically, laser tracker is transferred to upper spacer service area, with step S151-S154 and step S21-23 Based on, it is tested upper spacer that level-one is selected in upper spacer, and laser tracker is fixed on tested upper spacer peer and hinders vapour The region of piece side enables laser tracker to measure upper spacer low-lying area nest and its resistance vapour piece simultaneously, measures one by one and fit all energy Each spatial point is commented to the vertical range of respective hollow nest center line by the vertical range on the upper spacer leaf top resistance vapour piece tooth tip of survey Estimate upper spacer low-lying area nest and its leaf top resistance concentric degree of vapour piece.

In the present embodiment, it when laser tracker measurement lower clapboard, needs to be fixed on the support, the present invention provides one Preferred embodiment: as shown in figure 8, the support is made of the general steel plate of three pieces of thickness 15mm, wherein two pieces of steel plate specification sizes All the same, length × width is 300mm × 250mm, and in 130mm × 62.5mm of the two boards and 130mm × side 187.5mm There are two the bolts hole of M20 for position;Other one piece of plate length × width is 250mm × 210mm, and non-bolt hole.Two block sizes are identical The wide length with other one block of plate of plate is aligned, and is allowed two block size same plates to be respectively perpendicular and is welded on third block board width direction On the position of 10mm and 90.5mm, make the bolt hole center on two boards away from third block plate 170mm.In use process, under making every Plate is inserted into the slot formed by two blocks of identical size steel plates, and then, will be swashed with four M20 bolt fastenings in divider upright face Optical tracker system magnetic suction disc is inhaled in third block surface of steel plate.

As shown in figure 5, when testing lower clapboard, not needing to set up hold-down support, using laser in another embodiment of the present invention The method that tracker turns station measures, and step S1 includes:

Step S101: disintegration cylinder, and retain lower clapboard in the cylinder body of cylinder.

Specifically, cylinder is disintegrated, the upper half such as upper cylinder half, upper spacer component is hung out to specific service area;Handling rotor is extremely Specific service area makes cylinder be in the state that lower clapboard is not hung out;Then, all gland blocks of upper and lower partition are dismantled.

Step S102: preheating laser tracker;And after warm operation, parametric calibration is carried out using user terminal.

Specifically, laser tracker is carried to lower half cylinder space for maintenance, preheating is powered on, and in the laser tracker After preheating, the Tracker Calib software calibration instrument parameter of user terminal is used.

Step S103: wherein level-one is tested lower clapboard to selected lower clapboard, and by laser tracker be erected at it is tested under every On the horizontal flange of the cylinder block of the adjacent side of plate;Fixed laser tracker measuring system is at least on the cylinder face of cylinder body 5 basic target ball seats.

Specifically, wherein level-one lower clapboard is tested lower clapboard to selected lower clapboard, and laser tracker is erected at tested On the cylinder body horizontal flange of lower clapboard left or right side;At least five basic target ball seat is fixed on cylinder face.

Step S104: temp probe measures and records the initial temperature under current environment with tested lower clapboard same metal material Degree.

Specifically, in this embodiment, using the temp probe above laser tracker measure and record under current environment with The initial temperature data of tested lower clapboard same metal material, non-to refer in particular to leaf top resistance vapour piece temperature, cylinder partition and leaf top hinder vapour Sheet material is defaulted as unanimously, it will be appreciated by those skilled in the art that the technical operation.

Step S105: the space coordinate of basic target ball seat described in user terminal measurement is used.

Specifically, using the SA software measuring basis target ball seat space coordinate of user terminal.

Step S106: being tested lower clapboard low-lying area nest under measurement present viewing field and its leaf top hinders vapour piece tooth tip space coordinate.

Step S107: the laser tracker in laser tracker measuring system is transferred to the adjacent another of tested lower clapboard Side, the again space coordinate of measuring basis target ball seat, and the tested lower clapboard low-lying area nest and its leaf top resistance vapour under rearward vision that turn to stand Piece tooth tip space coordinate.

Step S108: temp probe measures and records the most final temperature under current environment with tested lower clapboard same metal material Degree.

Specifically, using the temp probe above laser tracker measure and record under current environment with tested lower clapboard phase Non- to refer in particular to leaf top resistance vapour piece temperature with the final temperature data of metal material, cylinder partition is defaulted as with leaf top resistance vapour sheet material Unanimously, it will be appreciated by those skilled in the art that the technical operation.

As shown in fig. 6, step S2 further comprises:

Step S201: the space coordinate of the basic target ball seat under two websites is fitted to the same coordinate system using user terminal In, and temperature-compensating is carried out to initial temperature and final temperature.

Specifically, the basic target ball seat under two measured websites is fitted within same seat by the SA software using user terminal In mark system, and temperature-compensating is carried out to initial temperature and final temperature.

Step S202: using user terminal, body is fitted tested lower clapboard low-lying area nest characterized by cylinder, to the coordinate in cylinder Carry out noise reduction process;The center of circle for establishing bottom surface on cylinder is key point, connects the center of circle as tested lower clapboard low-lying area nest using straight line Center line, using tested lower clapboard low-lying area nest center line as X-axis, is straight up Z axis, establishes space using a wherein center of circle as origin Coordinate system.

Step S203: using user terminal fit tested lower clapboard leaf top resistance each spatial point of vapour piece tooth tip to be tested under every The vertical range of plate low-lying area nest center line assesses tested lower clapboard low-lying area nest by vertical range and its leaf top hinders the concentric degree of vapour piece.

Step S204: repeating step S103-S108 and step S201-S203, measures one by one and fits all energy and surveys Lower clapboard leaf top resistance vapour piece tooth tip on each spatial point to the vertical range of respective hollow nest center line, assessed down by vertical range Partition leaf top hinders the concentric degree of vapour piece with respective hollow nest.

Understandably, it can measure and record every level-one partition low-lying area nest and respectively hollow nest data, focused on by user terminal Data.

The invention has the following advantages: steam turbine through-flow gap for prevent steam turbine impact and rub play to Close important role.In history there is also the accident for leading to rotor bow because gap is improper, brought to enterprise biggish Economic loss and adverse effect.Therefore, method of the invention can more acurrate, comprehensively monitor cylinder resistance vapour piece state, enhance Understanding to steam-turbine unit through-flow situation and set state is conducive to improve unit efficiency, and further improves unit fortune Capable reliability and safety.

It should be understood that above embodiments only express the preferred embodiment of the present invention, description is more specific and detailed Carefully, but it cannot be understood as limitations on the scope of the patent of the present invention;It should be pointed out that for the common skill of this field For art personnel, without departing from the inventive concept of the premise, above-mentioned technical characterstic can be freely combined, can also be done Several modifications and improvements out, these are all within the scope of protection of the present invention;Therefore, all to be done with scope of the invention as claimed Equivalents and modification, should belong to the covering scope of the claims in the present invention.

Claims (10)

1. a kind of measurement cylinder partition low-lying area nest and its leaf top hinder the concentric method of vapour piece, surveyed using laser tracking measurement system Amount, the laser tracking measurement system include user terminal and the laser tracker being attached thereto and basic target ball seat, described Laser tracker is provided with temp probe, which is characterized in that measures according to the following steps:
Step S1: measuring and recording the temperature data under current environment with separator material same metal using the temp probe, Partition low-lying area nest and its leaf top resistance each spatial point position data of vapour piece tooth tip are measured and recorded using the laser tracker;
Step S2: partition low-lying area nest is fitted by the position data using the user terminal, creates partition low-lying area nest Center line is fitted partition leaf top resistance each spatial point of vapour piece tooth tip to the vertical range of the partition low-lying area nest center line, passes through The vertical range assessment partition low-lying area nest and its leaf top hinder the concentric degree of vapour piece.
2. the measurement cylinder partition low-lying area nest according to claim 1 and its leaf top hinder the concentric method of vapour piece, which is characterized in that The step S1 further comprises:
Step S11: cylinder disintegrate, hang out upper half cylinder, upper spacer, rotor to specific service area, make the cylinder be in down every The state that plate is not hung out;Then, all gland blocks of the upper spacer Yu the lower clapboard are dismantled;
Step S12: the laser tracker is carried to lower half cylinder service area, powers on preheating;Meanwhile select it is described under Wherein level-one is tested lower clapboard to partition, and the laser tracker hold-down support is fastened on the tested lower clapboard adjacent one On the hollow nest of grade, guarantees the laser tracker while detecting the tested lower clapboard low-lying area nest and its leaf top resistance vapour piece;
Step S13: after the laser tracker warm operation, parametric calibration is carried out using the user terminal;
Step S14: the laser tracker is fixed on the hold-down support that frame is good, and makes gauge head downward;
Step S15: using the temp probe measure and record under current environment with the tested lower clapboard material same metal Temperature data, using the laser tracker measure and record the tested lower clapboard low-lying area nest and its leaf top resistance vapour piece tooth tip it is each Spatial point position data.
3. the measurement cylinder partition low-lying area nest according to claim 2 and its leaf top hinder the concentric method of vapour piece, which is characterized in that The step S15 further comprises
Step S151: using the temp probe measure and record under current environment with the tested lower clapboard same metal material Initial temperature data;
Step S152: using the user terminal measurement and the tested lower clapboard low-lying area nest surface is recorded in a circumferential direction at least The position data of 6 points;
Step S153: using the user terminal measurement and the tested lower clapboard leaf top resistance vapour piece tooth tip is recorded in the circumference The spatial point position data of different direction on direction;
Step S154: the temp probe measures and records under current environment with the tested lower clapboard same metal material most Finishing temperature data.
4. according to the concentric method of the measurement cylinder partition low-lying area nest of claim 3 and its leaf top resistance vapour piece, which is characterized in that institute The test quantity and test orientation for stating the spatial point in step S153 are according to the tested lower clapboard size, the cylinder Unit operating condition is determined.
5. according to the concentric method of the measurement cylinder partition low-lying area nest of claim 3 and its leaf top resistance vapour piece, which is characterized in that institute Stating step S2 further comprises:
Step S21: temperature benefit is carried out to the initial temperature data and the final temperature data using the user terminal It repays;
Step S22: using the user terminal, body is fitted the tested lower clapboard low-lying area nest characterized by cylinder, in the cylinder Coordinate carry out noise reduction process;The center of circle for establishing bottom surface on the cylinder is key point, using straight line connect the center of circle as The tested lower clapboard low-lying area nest center line is X with the tested lower clapboard low-lying area nest center line using wherein one center of circle as origin Axis is straight up Z axis, establishes space coordinates;
Step S23: the tested lower clapboard leaf top is fitted using the user terminal and hinders each spatial point of vapour piece tooth tip described in The vertical range of tested lower clapboard low-lying area nest center line assesses the tested lower clapboard low-lying area nest and its leaf top by the vertical range Hinder the concentric degree of vapour piece.
6. the measurement cylinder partition low-lying area nest according to claim 5 and its leaf top hinder the concentric method of vapour piece, which is characterized in that The step S2 further comprises:
Step S24: the repeating said steps S151-S154 and step S21-23 is measured one by one and is fitted all energy and surveys Lower clapboard leaf top resistance vapour piece tooth tip on each spatial point to respective hollow nest center line vertical range, by it is described vertically away from Concentric degree from assessment lower clapboard leaf top resistance vapour piece and respective hollow nest.
7. the measurement cylinder partition low-lying area nest according to claim 2 and its leaf top hinder the concentric method of vapour piece, which is characterized in that The step S1 further comprises:
Step S16: after the completion of the lower clapboard measurement work, the upper spacer that the laser tracker is carried to the cylinder is examined Region is repaired, upper spacer low-lying area nest and its leaf top resistance concentric degree of vapour piece are measured.
8. according to the concentric method of the measurement cylinder partition low-lying area nest of claim 6 and its leaf top resistance vapour piece, which is characterized in that institute Stating step S2 further comprises:
Step S25: it based on step S24, measures and is fitted on all upper spacer leaf top resistance vapour piece tooth tips that can be surveyed one by one Each spatial point assesses upper spacer low-lying area nest and its leaf top by the vertical range to the vertical range of respective hollow nest center line Hinder the concentric degree of vapour piece.
9. the measurement cylinder partition low-lying area nest according to claim 1 and its leaf top hinder the concentric method of vapour piece, which is characterized in that The step S1 includes:
Step S101: disintegration cylinder, and retain lower clapboard in the cylinder body of the cylinder;
Step S102: the laser tracker is preheated;And after warm operation, parameter school is carried out using the user terminal It is quasi-;
Step S103: selecting the lower clapboard, wherein level-one is tested lower clapboard, and the laser tracker is erected at described On the horizontal flange of the cylinder block of the tested adjacent side of lower clapboard;The laser is fixed on the cylinder face of the cylinder body At least five basic target ball seat of tracker measuring system;
Step S104: the temp probe measures and records first with the tested lower clapboard same metal material under current environment Beginning temperature;
Step S105: the space coordinate of basic target ball seat described in the user terminal measurement is used;
Step S106: the tested lower clapboard low-lying area nest and its leaf top hinder vapour piece tooth tip space coordinate under measurement present viewing field;
Step S107: the laser tracker in the laser tracker measuring system is transferred to the adjacent of the tested lower clapboard The other side, measures the space coordinate of the basic target ball seat again, and turn tested lower clapboard low-lying area nest under the rearward vision of station and its Leaf top hinders vapour piece tooth tip space coordinate;
Step S108: the temp probe measures and records under current environment with the tested lower clapboard same metal material most Finishing temperature.
10. the measurement cylinder partition low-lying area nest and its leaf top according to claim 9 hinder the concentric method of vapour piece, feature exists In the step S2 further include:
Step S201: the space coordinate of the basic target ball seat under two websites is fitted to same seat using the user terminal In mark system, and temperature-compensating is carried out to the initial temperature and the final temperature;
Step S202: using the user terminal, body is fitted the tested lower clapboard low-lying area nest characterized by cylinder, to the cylinder In coordinate carry out noise reduction process;The center of circle for establishing bottom surface on the cylinder is key point, connects the center of circle with straight line and makees For the tested lower clapboard low-lying area nest center line, using wherein one center of circle as origin, with the tested lower clapboard low-lying area nest center line For X-axis, it is straight up Z axis, establishes space coordinates;
Step S203: the tested lower clapboard leaf top is fitted using the user terminal and hinders each spatial point of vapour piece tooth tip described in The vertical range of tested lower clapboard low-lying area nest center line assesses the tested lower clapboard low-lying area nest and its leaf top by the vertical range Hinder the concentric degree of vapour piece;
Step S204: the repeating said steps S103-S108 and step S201-S203, measures one by one and fits all Each spatial point is hung down to the vertical range of respective hollow nest center line by described on the lower clapboard leaf top resistance vapour piece tooth tip that can be surveyed The concentric degree of straight distance assessment lower clapboard leaf top resistance vapour piece and respective hollow nest.
CN201811558144.3A 2018-10-16 2018-12-19 Method for measuring cylinder partition plate hollow pit and concentricity of leaf top steam-resistant sheet thereof CN109458232B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811203325 2018-10-16
CN2018112033254 2018-10-16

Publications (2)

Publication Number Publication Date
CN109458232A true CN109458232A (en) 2019-03-12
CN109458232B CN109458232B (en) 2021-02-12

Family

ID=65613964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811558144.3A CN109458232B (en) 2018-10-16 2018-12-19 Method for measuring cylinder partition plate hollow pit and concentricity of leaf top steam-resistant sheet thereof

Country Status (1)

Country Link
CN (1) CN109458232B (en)

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61161407A (en) * 1985-01-11 1986-07-22 Kansai Electric Power Co Inc:The Fine gap measuring instrument
CN1074973A (en) * 1992-01-28 1993-08-04 西屋电气公司 The remote eddy current and the supersonic detection device that are used for turbine generator guard ring
CN1133946A (en) * 1994-11-26 1996-10-23 Abb管理有限公司 Arrangement for influencing radial clearance of blading in axial-flow compressors
CN1206449A (en) * 1996-01-15 1999-01-27 西门子公司 Device for monitoring radial gaps between turbine housing and blade tips
CN1648419A (en) * 2003-12-24 2005-08-03 通用电气公司 Methods and apparatus for optimizing turbine engine shell radial clearances
CN101551240A (en) * 2009-05-15 2009-10-07 北京工业大学 Large-scale gear measuring method based on laser tracking technology
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
CN102944182A (en) * 2012-08-30 2013-02-27 哈尔滨汽轮机厂有限责任公司 Rotor-free through-flow measurement method for steam turbine
CN102944170A (en) * 2012-08-30 2013-02-27 哈尔滨汽轮机厂有限责任公司 Method for carrying out alignment on stator part sleeves of steam turbine by utilizing laser tracker
CN103185538A (en) * 2012-01-03 2013-07-03 通用电气公司 Method and apparatus for obtaining discrete axial clearance data using radial clearance sensors
CN103245283A (en) * 2013-04-11 2013-08-14 中国葛洲坝集团股份有限公司 Method for accurately and continuously measuring and processing axis throw of hydraulic turbine set
US20150090882A1 (en) * 2013-10-02 2015-04-02 Forrest R. Ruhge Situ blade mounted tip gap measurement for turbines
CN104712377A (en) * 2013-12-13 2015-06-17 通用电气公司 Turbo machine cold clearance adjustment
CN104863647A (en) * 2015-03-19 2015-08-26 中广核核电运营有限公司 Method for adjusting center of nuclear power station steam turbine generator set shaft system
CN105526878A (en) * 2016-01-16 2016-04-27 东北电力大学 Real-time dynamic measurement method for measuring radial clearance between steam turbine rotor and stator
WO2016142631A1 (en) * 2015-03-11 2016-09-15 Microturbo Production of half-stages of monobloc stator guides by additive manufacturing
CN205957947U (en) * 2016-08-05 2017-02-15 苏州热工研究院有限公司 Through -flow measuring tool of steam turbine
CN107085294A (en) * 2016-02-13 2017-08-22 通用电气公司 Check the optical device and observation tube of turbine engine components
EP3351896A1 (en) * 2017-01-23 2018-07-25 General Electric Company Method of making a component with an integral strain indicator

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61161407A (en) * 1985-01-11 1986-07-22 Kansai Electric Power Co Inc:The Fine gap measuring instrument
CN1074973A (en) * 1992-01-28 1993-08-04 西屋电气公司 The remote eddy current and the supersonic detection device that are used for turbine generator guard ring
CN1133946A (en) * 1994-11-26 1996-10-23 Abb管理有限公司 Arrangement for influencing radial clearance of blading in axial-flow compressors
CN1206449A (en) * 1996-01-15 1999-01-27 西门子公司 Device for monitoring radial gaps between turbine housing and blade tips
CN1648419A (en) * 2003-12-24 2005-08-03 通用电气公司 Methods and apparatus for optimizing turbine engine shell radial clearances
CN101551240A (en) * 2009-05-15 2009-10-07 北京工业大学 Large-scale gear measuring method based on laser tracking technology
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
CN103185538A (en) * 2012-01-03 2013-07-03 通用电气公司 Method and apparatus for obtaining discrete axial clearance data using radial clearance sensors
CN102944170A (en) * 2012-08-30 2013-02-27 哈尔滨汽轮机厂有限责任公司 Method for carrying out alignment on stator part sleeves of steam turbine by utilizing laser tracker
CN102944182A (en) * 2012-08-30 2013-02-27 哈尔滨汽轮机厂有限责任公司 Rotor-free through-flow measurement method for steam turbine
CN103245283A (en) * 2013-04-11 2013-08-14 中国葛洲坝集团股份有限公司 Method for accurately and continuously measuring and processing axis throw of hydraulic turbine set
US20150090882A1 (en) * 2013-10-02 2015-04-02 Forrest R. Ruhge Situ blade mounted tip gap measurement for turbines
CN104712377A (en) * 2013-12-13 2015-06-17 通用电气公司 Turbo machine cold clearance adjustment
WO2016142631A1 (en) * 2015-03-11 2016-09-15 Microturbo Production of half-stages of monobloc stator guides by additive manufacturing
CN104863647A (en) * 2015-03-19 2015-08-26 中广核核电运营有限公司 Method for adjusting center of nuclear power station steam turbine generator set shaft system
CN105526878A (en) * 2016-01-16 2016-04-27 东北电力大学 Real-time dynamic measurement method for measuring radial clearance between steam turbine rotor and stator
CN107085294A (en) * 2016-02-13 2017-08-22 通用电气公司 Check the optical device and observation tube of turbine engine components
CN205957947U (en) * 2016-08-05 2017-02-15 苏州热工研究院有限公司 Through -flow measuring tool of steam turbine
EP3351896A1 (en) * 2017-01-23 2018-07-25 General Electric Company Method of making a component with an integral strain indicator

Also Published As

Publication number Publication date
CN109458232B (en) 2021-02-12

Similar Documents

Publication Publication Date Title
Eleftherion Partial discharge. XXI. Acoustic emission based PD source location in transformers
Tang et al. An experimental study of acoustic emission methodology for in service condition monitoring of wind turbine blades
Papazian et al. Sensors for monitoring early stage fatigue cracking
Haskey et al. Linear ideal MHD predictions for n= 2 non-axisymmetric magnetic perturbations on DIII-D
CN102466597B (en) Nondestructive test and evaluation method of metal member / material residual life
CN104236799B (en) Dynamic balance method for fast eliminating vibration, in horizontal direction, of bearing pedestals
Gerasimov et al. JET and COMPASS asymmetrical disruptions
CN105300810B (en) A kind of three point bending test device with laser centring device
Fadel et al. Effect of high mean tensile stress on the fretting fatigue life of an Ibis steel reinforced aluminium conductor
AU2010244468B2 (en) Method and device for testing the stability of a pole
US8548114B2 (en) Method and apparatus for repairing a jet pump line support
CN207636420U (en) A kind of tooling of spring fatigue test
CN105484807B (en) Precise and efficient adjustment process system for steam seal clearance of steam turbine
CN102095803B (en) For detecting the method for the crackle on turbine rotor blade
CN105067213B (en) A kind of large scale structure test of Vibration pulse excitation device and its application method
CN103591878A (en) Engine assembling device and assembling method
JP2015064348A (en) Sensor attaching base, and structure degradation analysis system using sensor attaching base
CN105865736A (en) Calibration system and calibration method for blade vibration stress distribution
RU2011140357A (en) METHOD AND DEVICE FOR CHECKING AND CONFIRMING THE INTEGRITY OF H (E) NB
CN104913866B (en) The method, apparatus of secondary ray diffraction measurement thin plate residual stress and application
CN103926159B (en) A kind of microbonding point device for testing creep resistance and using method
CN103217282B (en) Fatigue test method of blade scaling model of horizontal axis wind turbine based on equal-service-life principle
CN106441761A (en) Engine blade fatigue testing device
JP5690171B2 (en) Fault diagnosis method and fault diagnosis device for lightning arrester
US9926916B2 (en) Monitored component connection, wind power installation, method of monitoring a component connection for unwanted release of the component connection in the connected condition

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant