CN110030900A - A kind of reel grid deviation measurement method of fluting welding impeller - Google Patents
A kind of reel grid deviation measurement method of fluting welding impeller Download PDFInfo
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- CN110030900A CN110030900A CN201910340521.4A CN201910340521A CN110030900A CN 110030900 A CN110030900 A CN 110030900A CN 201910340521 A CN201910340521 A CN 201910340521A CN 110030900 A CN110030900 A CN 110030900A
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- height
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- 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
- G01B5/0037—Measuring of dimensions of welds
-
- 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
- G01B5/004—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points
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- 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
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of reel grid deviation measurement methods of fluting welding impeller, are related to Compressor Technology field, and main purpose is to be able to ascend the measurement efficiency of the reel grid deviation of fluting welding impeller and can reduce to measure spent cost.The described method includes: measurement fluting welds the total height after impeller is placed on the measuring basis platform of at least three very heavy top supports, the first height of reel mouth circle range measurement reference platform, the second height of reel outer circle range measurement reference platform and reel thickness；According to total height and the second height, the third height at the top of the outer distance of round impeller of reel is calculated, and according to total height, the first height and reel thickness, calculates the calibration object height at the top of reel mouth distance of round impeller；If third height and the height difference of calibration object height are not in the height difference range of default permission, it is determined that there are deviations for the reel coordinate of fluting welding impeller.The reel grid deviation that the present invention is suitable for impeller measures.
Description
Technical field
The present invention relates to Compressor Technology fields, measure more particularly to a kind of reel grid deviation of fluting welding impeller
Method.
Background technique
Impeller is one of core component of centrifugal compressor, the impeller required precision after finishing be it is very stringent, it is any
Microsize and form and position all will affect the efficiency of whole centrifugal compressor unit, however impeller is complicated in the process of manufacturing
Repeatedly by hot procedures such as welding and heat treatments, it is caused easily to be deformed in process of production, especially major diameter
Fluting weld impeller, generally can all have an apparent deformation after heat treatment.
Fluting welding impeller is heat-treated after welding, generally after modifier treatment or adjustment ageing treatment.Due to
Fluting welding blade wheel structure is relatively restrained, and the stress added up in heat treatment is unable to get abundant release or impeller and answers disappearing
Stress is discharged during power in a manner of microdeformation, can all cause that local deformation occurs in impeller channel, and impeller
Core is the levels of precision of runner intrinsic coordinates size, and only impeller channel areal coordinate size meets the impeller of design requirement
The efficiency value of design can be reached.
Currently, can be using the reel grid deviation of three-coordinates measuring machine measurement fluting welding impeller.However, due to fluting
The factors such as small, big, the three-coordinates measuring machine measuring process complexity of fluting welding impeller yield in impeller channel inner space are welded, if
Each impeller uses three-coordinates measuring machine measurement reel grid deviation that can expend a large amount of man power and material, and fluting is caused to weld
The measurement efficiency of the reel grid deviation of impeller is lower.In addition, three-coordinates measuring machine is costly, it is a large amount of to will cause measurement
The higher cost that fluting welding impeller is spent.It is therefore proposed that a kind of new fluting welds impeller shaft disk grid deviation measurement side
Method is wheel slot welding field technical problem urgently to be resolved.
Summary of the invention
In view of this, the present invention provides a kind of method of the reel grid deviation measurement of fluting welding impeller, main purpose
It is to be able to ascend the measurement efficiency of the reel grid deviation of fluting welding impeller and can reduce measurement cost.
According to the present invention on one side, a kind of method of the reel grid deviation measurement of fluting welding impeller, packet are provided
It includes:
Fluting welding impeller is placed on the measuring basis platform by least three very heavy top supports；
Measure the total height after the fluting welding impeller is placed on the measuring basis platform, fluting welding leaf
The reel mouth circle of wheel is welded outside the reel of impeller described in distance of round apart from the first height of the measuring basis platform, the fluting
The reel thickness of second height of measuring basis platform and the fluting welding impeller；
According to the total height and second height, the third calculated at the top of impeller described in the outer distance of round of the reel is high
Degree, and according to the total height, first height and the reel thickness, calculate impeller top described in the reel mouth distance of round
The calibration object height in portion；
If the third height and the height difference of the calibration object height are not at the height difference model of default permission
In enclosing, it is determined that there are deviations for the reel coordinate of the fluting welding impeller.
The present invention provides a kind of method of the reel grid deviation measurement of fluting welding impeller, sits with the prior art using three
The reel grid deviation of mark measuring instrument measurement fluting welding impeller is compared, and the present invention is placed by the welding impeller that will slot by extremely
On the measuring basis platform of few three very heavy top supports, it can guarantee that measuring basis ensure that the zero error of measurement datum, energy
Enough avoid the deviation of the dirts such as still unfinished impeller heat treatment rear surface oxide skin and roughing impeller size to measurement
The zero error of interference.At the same time, total after being placed on the measuring basis platform by the measurement fluting welding impeller
Highly, the reel mouth circle of the fluting welding impeller welds leaf apart from the first height of the measuring basis platform, the fluting
The reel thickness of second height of measuring basis platform described in the outer distance of round of the reel of wheel and the fluting welding impeller, Neng Gougen
According to the total height and second height, the third height at the top of impeller described in the outer distance of round of the reel is calculated, and according to
The total height, first height and the reel thickness, calculate the calibration at the top of impeller described in the reel mouth distance of round
Object height；If the third height and the height difference of the calibration object height are not at the height difference model of default permission
In enclosing, it is determined that there are deviations for the reel coordinate of the fluting welding impeller, so as to simplify the measurement of reel grid deviation
Operating procedure can save cost of human and material resources, and then be able to ascend the measurement of the reel grid deviation of fluting welding impeller
Efficiency.In addition, can reduce a large amount of fluting welding impeller of measurement without the higher three-coordinates measuring machine of cost of use and spent
Cost, be suitble to mass production impeller enterprise demand.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows a kind of reel grid deviation measurement method process of fluting welding impeller provided in an embodiment of the present invention
Figure；
Fig. 2 shows the reel grid deviation measurement method streams of another fluting welding impeller provided in an embodiment of the present invention
Cheng Tu；
Fig. 3 shows impeller instrumentation plan provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
It as stated in the background art, currently, can be inclined using the reel coordinate of three-coordinates measuring machine measurement fluting welding impeller
Difference.However, since fluting welding impeller channel inner space is small, fluting welding impeller yield is big, three-coordinates measuring machine measurement step
The factors such as rapid complexity, if each impeller use three-coordinates measuring machine measurement reel grid deviation can expend a large amount of manpower and
Material resources cause the measurement efficiency of the reel grid deviation of fluting welding impeller lower.In addition, the expense of three-coordinates measuring machine compared with
Height will cause the higher cost that a large amount of fluting welding impeller of measurement is spent.It is therefore proposed that a kind of new fluting welds impeller
Reel grid deviation measurement method be wheel slot welding field technical problem urgently to be resolved.
To solve the above-mentioned problems, the embodiment of the invention provides a kind of reel grid deviation measurements of fluting welding impeller
Method, as shown in Figure 1, which comprises
101, fluting welding impeller is placed on the measuring basis platform by least three very heavy top supports.
Wherein, the jack can be placed into the fluting welding impeller shaft Pan Waiyuanchu, utilize the vertex of jack
Impeller reel lower surface is supported, adjusts at least three jack to identical height, to determine that a measuring basis is flat
Platform guarantees the zero error of the measurement datum of measuring basis platform, avoids still unfinished impeller Surface Oxygen after heat treatment
The deviation for changing the dirts such as skin and roughing impeller size interferes subsequent measurement.It is described to adjust the jack to identical height
The detailed process of degree can be with are as follows: a jack is first adjusted to arbitrary height, uses the very heavy heights of roofs number of vernier caliper measurement
Value, the height of remaining jack is adjusted according to this numerical value, to guarantee that at least three very heavy heights of roofs are consistent.By described at least three
After jack height adjustment is consistent, fluting welding impeller to be measured is placed by the measurement base of at least three very heavy top supports
On quasi- platform.
102, the total height after the fluting welding impeller is placed on the measuring basis platform, the slot welding are measured
The reel mouth circle for connecing impeller welds distance of round outside the reel of impeller apart from the first height of the measuring basis platform, the fluting
The reel thickness of second height of the measuring basis platform and the fluting welding impeller.
It is placed on the measuring basis platform wherein it is possible to measure the fluting welding impeller using vernier depth gauge
Total height, it is described fluting welding impeller reel mouth circle apart from the measuring basis platform first height, the slot welding
The second height and the reel thickness, detailed process for connecing measuring basis platform described in the outer distance of round of reel of impeller can wrap
It includes: the measurement pedestal of vernier depth gauge being first placed on testee top surface, be adjacent to two end faces for measuring pedestal tested
The top surface of object, then blade is moved, until then twisting on the amount face that the blade end face of vernier depth gauge touches testee
Tight fastening screw fixed ruler frame, lifts vernier depth gauge, reads the numerical value that vernier depth gauge is shown.As shown in figure 3, providing
The schematic diagram of impeller measurement, wherein A can indicate the fluting weld impeller be placed on it is total on the measuring basis platform
Highly, B can indicate first height of the reel mouth circle apart from the measuring basis platform of the fluting welding impeller, and D can be with
Indicate the second height of measuring basis platform described in the outer distance of round of reel of the fluting welding impeller, T can indicate described and open
Slot welding connects the reel thickness of impeller.
103, according to the total height and second height, the at the top of impeller described in the outer distance of round of the reel is calculated
Three height, and according to the total height, first height and the reel thickness, the reel mouth circle is calculated apart from the leaf
Take turns the calibration object height at top.
If 104, the third height and the height difference of the calibration object height are not at the difference in height of default permission
It is worth in range, it is determined that there are deviations for the reel coordinate of the fluting welding impeller.
Wherein, the height difference range of the default permission can design requirement provides according to the third height E
With the calibration object height E0Height difference allowable range of error.Since impeller may exist after welding heat treatment
Deformation leads to the third height E and calibration object height E0Compared to may have error.Therefore, according to design requirement, institute
State third height E and the calibration object height E0Height difference should be in the height difference range of the default permission,
If the third height E and calibration object height E0Height difference be in the height difference range of the default permission
It is interior, it is determined that deviation is not present in the reel coordinate of the fluting welding impeller, and fluting welding impeller is qualified；If the third height
The E and calibration object height E0Height difference be not in the height difference range of the default permission, it is determined that it is described
There are deviations for the reel coordinate of fluting welding impeller, and fluting welding impeller is unqualified, needs to calibrate.
Further, in order to better illustrate the reel grid deviation measurement process that above-mentioned fluting welds impeller, as right
The refinement and extension of above-described embodiment, the embodiment of the invention provides the reel grid deviation measurements of another welding impeller of slotting
Method, as shown in Fig. 2, but not limited to this, it is specific as follows shown:
201, at least three jack is adjusted to identical height, to obtain measuring basis platform, and by slot welding
Impeller is connect to be placed on the measuring basis platform by least three very heavy top supports.
202, the total height A after the fluting welding impeller is placed on the measuring basis platform, the fluting are measured
Weld first height B of the reel mouth circle apart from the measuring basis platform of impeller, the measurement reel outer circle it is multiple uniformly distributed
The reel thickness T of multiple second height Ds and the fluting welding impeller of the point apart from the measuring basis platform.
For the embodiment of the present invention, the step 202 be can specifically include: utilize welding of slotting described in vernier caliper measurement
Impeller be placed on the measuring basis platform after total height A, it is described fluting welding impeller reel mouth circle apart from the survey
Measure measuring basis platform described in the first height B of reference platform, the outer distance of round of reel of the fluting welding impeller second is high
Spend the reel thickness T of D and the fluting welding impeller.
Such as: diameter is 760mm fluting welding impeller, and measurement data is as shown in table 1, and vernier caliper measurement institute can be used
Stating total height A is 278.26, and the first height B is 148.34, and the second height D is 166.88,165.68, reel thickness
T is 19.40.
Table 1
203, according to the total height A and the multiple second height D, the multiple layout apart from the impeller is calculated
Multiple third height E at top.
For the embodiment of the present invention, the step 203 be can specifically include: by the total height A and the second height D
Difference, the third height E being determined as at the top of impeller described in the outer distance of round of the reel.
Such as: as shown in table 1, the value of multiple the second height D to layout is measured by vernier depth gauge, it will be multiple equal
The the second height D to layout does difference calculating with total height A one by one, and available the multiple of the reel outer circle layout apart from institute
The actual measurement third height E at the top of impeller is stated, measured value can be 112.31,112.38,112.35,112.44.
204, according to the total height A, the first height B and the reel thickness T, the reel mouth circle distance is calculated
Calibration object height E at the top of the impeller0。
For the embodiment of the present invention, the step 204 be can specifically include: calculate the first height B and the reel
The sum of thickness T；And by the total height A and it is described and difference, be determined as the reel mouth circle at the top of the impeller
Calibrate object height E0。
Such as: as shown in table 1, the detailed process for calculating the sum of the first height A and reel thickness T can be with are as follows:
148.34+19.46=167.80；Calculate calibration object height E of the reel mouth circle at the top of the impeller0Specific mistake
Journey can be with are as follows: the calibration object height E0=278.26-167.80=110.46.
205, the multiple third height E and calibration object height E is calculated0Multiple height differences；If described more
There is the height difference being not in the height difference range of default permission in a height difference, it is determined that the fluting welds leaf
There are deviations for the reel coordinate of wheel.
For the embodiment of the present invention, the multiple third height E and calibration object height E is calculated described0It is more
After a height difference, if the method can also include: to exist in the multiple height difference in the default height allowed
Height difference in difference range, it is determined that deviation is not present in the reel coordinate of the fluting welding impeller.
206, using compressor, according to the calibration object height E0The reel of the fluting welding impeller is compressed
Calibration process.
Such as: as shown in table 1, the measured value of the multiple third height E can be 112.31,112.38,112.35,
112.44, design the permission height difference range that provides can between 108.39-111.97, since the multiple third is high
The measured value of degree E is not in the height difference range of default permission, therefore can be determined that the reel of the fluting welding impeller
There are deviations for coordinate.Wherein, the detailed process that the reel to the fluting welding impeller carries out compression calibration process can be with
Include: the wedge shape mould that production matches with impeller channel face, guarantee impeller will not it is excessive due to pressure in a calibration process and
Deformation, wedge shape mould can be using the irony molds with certain rigidity.Limit measure can be arranged in a calibration process, in order to avoid
The pressure that impeller is subject to is excessive, and limit measure can be made of limit stop post and gasket.Impeller and upper and lower wedge shape mould are fixed
It is placed among compressor and compressed platform on compressed platform, and by limit stop post and gasket, withstands compression compressing head.It uses first
Vernier depth gauge measures the upper mold upper surface of wedge shape mould to the distance of compression platform, so that it is determined that limit stop post and gasket
Total height, control compressor dropping distance by reducing the thickness of gasket to prevent over-voltage in calibration process.Mobile pressure
Contracting compressing head is loaded to removing 0.5mm spacer thickness and control compressor after consistent with impeller top surface height, until compression
Between compressing head and limit stop post it is very close to each other until, by compression compressing head and limit stop post between remaining gasket whether may be used
Whether it is compacted with moving to judge to compress between compressing head and impeller.Compressor is lifted after being compacted between compression compressing head and impeller
Pressure head, the upper mold upper surface for re-measuring wedge shape mould using vernier depth gauge again are surveyed at a distance from compression platform
The deflection of impeller reel after amount die mould.It by repeated measurement and loads, is set before constantly reaching the deflection of impeller
Target value.When the target value set before the deflection of the impeller of measurement reaches, it can terminate to calibrate.
207, by the total height A, the first height B, the second height D, the third height E and the calibration
Object height E0It is saved in default measurement table.
Wherein, by the total height A, the first height B, the second height D, the third height E and the school
Quasi- object height E0Being saved in default measurement table can allow technical staff intuitively to determine in such a way that measurement data compares
The deformation in impeller channel face provides data basis to subsequent compression calibration impeller.The default measurement table can be leaf
Wheel design and actual measurement data table, as shown in table 1, design value described in table can indicate calibration object height E0.Table
Described in one column of measured value A, B, D, E, T can successively indicate the total height, first height, described second high
The actual measured value of degree, the third height and the reel thickness.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
It is understood that the correlated characteristic in the above method and device can be referred to mutually.In addition, in above-described embodiment
" first ", " second " etc. be and not represent the superiority and inferiority of each embodiment for distinguishing each embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) realize one of some or all components according to embodiments of the present invention
A little or repertoire.The present invention is also implemented as setting for executing some or all of method as described herein
Standby or program of device (for example, computer program and computer program product).It is such to realize that program of the invention deposit
Storage on a computer-readable medium, or may be in the form of one or more signals.Such signal can be from because of spy
It downloads and obtains on net website, be perhaps provided on the carrier signal or be provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
Claims (8)
1. a kind of reel grid deviation measurement method of fluting welding impeller characterized by comprising
Fluting welding impeller is placed on the measuring basis platform by least three very heavy top supports；
Measure the total height after the fluting welding impeller is placed on the measuring basis platform, the fluting welds impeller
Reel mouth circle is welded apart from the first height of the measuring basis platform, the fluting and is measured described in distance of round outside the reel of impeller
The reel thickness of second height of reference platform and the fluting welding impeller；
According to the total height and second height, the third height at the top of impeller described in the outer distance of round of the reel is calculated,
And according to the total height, first height and the reel thickness, calculate at the top of impeller described in the reel mouth distance of round
Calibration object height；
If the third height and the height difference of the calibration object height are not in the height difference range of default permission,
Then determine it is described fluting welding impeller reel coordinate there are deviations.
2. the method according to claim 1, wherein the outer distance of round institute of reel of the measurement fluting welding impeller
State the second height of measuring basis platform, comprising:
Measure multiple multiple second height layouted apart from the measuring basis platform of the reel outer circle；
It is described according to the total height and second height, the third calculated at the top of impeller described in the outer distance of round of the reel are high
Degree, comprising:
According to the total height and it is the multiple second height, calculate it is the multiple layout it is multiple at the top of the impeller
Third height；
If the third height and the height difference of the calibration object height are not at the height difference model of default permission
In enclosing, it is determined that there are deviations for the reel coordinate of the fluting welding impeller, comprising:
Calculate multiple height differences of the multiple third height and the calibration object height；
If there is the height difference being not in the height difference range of default permission in the multiple height difference, it is determined that institute
State fluting welding impeller reel coordinate there are deviations.
3. the method according to claim 1, wherein it is described according to the total height and it is described second height, meter
Calculate the third height at the top of impeller described in the outer distance of round of the reel, comprising:
By the difference of the total height and second height, the third being determined as at the top of impeller described in the outer distance of round of the reel
Highly；
It is described according to the total height, it is described first height and the reel thickness, calculate leaf described in the reel mouth distance of round
Take turns the calibration object height at top, comprising:
Calculate the sum of first height and the reel thickness；
By the total height and it is described and difference, the calibration target being determined as at the top of impeller described in the reel mouth distance of round is high
Degree.
4. the method according to claim 1, wherein the reel coordinate of the determination fluting welding impeller is deposited
After deviation, the method also includes:
Using compressor, compression calibration process is carried out according to reel of the calibration object height to the fluting welding impeller.
5. the method according to claim 1, wherein it is described according to the total height, it is described first height and institute
Reel thickness is stated, after calculating the calibration object height at the top of impeller described in the reel mouth distance of round, the method also includes:
If the third height and the height difference of the calibration object height are in the default height difference range allowed,
Determine that deviation is not present in the reel coordinate of the fluting welding impeller.
6. the method according to claim 1, wherein the measurement fluting welding impeller is placed on the survey
The reel mouth circle of total height, the fluting welding impeller after measuring on reference platform is apart from the first high of the measuring basis platform
Degree, the fluting weld the second height of measuring basis platform described in the outer distance of round of reel of impeller and the fluting welds impeller
Reel thickness, comprising:
Total height after being placed on the measuring basis platform using fluting welding impeller described in vernier caliper measurement described is opened
Slot welding connects first height of the reel mouth circle apart from the measuring basis platform of impeller, the reel outer circle of the fluting welding impeller
The reel thickness of the second height and the fluting welding impeller apart from the measuring basis platform.
7. the method according to claim 1, wherein described calculate at the top of impeller described in the outer distance of round of the reel
Calibration object height after, the method also includes:
The total height, first height, second height, the third height and the calibration object height are saved
Into default measurement table.
8. the method according to claim 1, wherein described be placed into fluting welding impeller by 1,000
Before on the measuring basis platform of jin top support, the method also includes:
At least three jack is adjusted to identical height, to obtain measuring basis platform.
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| CN201910340521.4A CN110030900A (en) | 2019-04-25 | 2019-04-25 | A kind of reel grid deviation measurement method of fluting welding impeller |
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| CN201910340521.4A CN110030900A (en) | 2019-04-25 | 2019-04-25 | A kind of reel grid deviation measurement method of fluting welding impeller |
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| CN (1) | CN110030900A (en) |
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| JPH10318707A (en) * | 1997-05-22 | 1998-12-04 | Mitsubishi Heavy Ind Ltd | Measuring apparatus for thickness of impeller |
| CN204359277U (en) * | 2015-01-14 | 2015-05-27 | 华北电力大学（保定） | A kind of turbine blade dynamic strain measurement system |
| CN205448949U (en) * | 2016-03-29 | 2016-08-10 | 东风汽车泵业有限公司 | Impeller shaft detects to amount of thermal deformation and assists utensil among automobile water pump |
| CN107588739A (en) * | 2017-08-24 | 2018-01-16 | 沈阳透平机械股份有限公司 | Big space division turbo-compressor mouth circle deflection and rotor dynamic deflection test device |
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2019
- 2019-04-25 CN CN201910340521.4A patent/CN110030900A/en active Pending
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|---|---|---|---|---|
| JPH10318707A (en) * | 1997-05-22 | 1998-12-04 | Mitsubishi Heavy Ind Ltd | Measuring apparatus for thickness of impeller |
| CN204359277U (en) * | 2015-01-14 | 2015-05-27 | 华北电力大学（保定） | A kind of turbine blade dynamic strain measurement system |
| CN205448949U (en) * | 2016-03-29 | 2016-08-10 | 东风汽车泵业有限公司 | Impeller shaft detects to amount of thermal deformation and assists utensil among automobile water pump |
| CN107588739A (en) * | 2017-08-24 | 2018-01-16 | 沈阳透平机械股份有限公司 | Big space division turbo-compressor mouth circle deflection and rotor dynamic deflection test device |
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